WO2023096385A1 - 다중 전원 구조를 갖는 조리기기 - Google Patents
다중 전원 구조를 갖는 조리기기 Download PDFInfo
- Publication number
- WO2023096385A1 WO2023096385A1 PCT/KR2022/018765 KR2022018765W WO2023096385A1 WO 2023096385 A1 WO2023096385 A1 WO 2023096385A1 KR 2022018765 W KR2022018765 W KR 2022018765W WO 2023096385 A1 WO2023096385 A1 WO 2023096385A1
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- WO
- WIPO (PCT)
- Prior art keywords
- cooking appliance
- capacitor
- power
- communication unit
- switch
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/06—Control, e.g. of temperature, of power
- H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
- H02M7/05—Capacitor coupled rectifiers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0202—Switches
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
- H05B1/0258—For cooking
- H05B1/0261—For cooking of food
- H05B1/0266—Cooktops
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/12—Cooking devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/12—Cooking devices
- H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
- H05B6/1236—Cooking devices induction cooking plates or the like and devices to be used in combination with them adapted to induce current in a coil to supply power to a device and electrical heating devices powered in this way
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/12—Cooking devices
- H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
- H05B6/1245—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
- H05B2213/06—Cook-top or cookware capable of communicating with each other
Definitions
- One embodiment of the present disclosure relates to a method of achieving fast operation of a cooking appliance and minimizing stabilization time of power by using a multi-power structure in the cooking appliance.
- Small devices such as a smart kettle, a wireless power-driven coffee machine, and a wireless power-driven pot are composed of a body unit and a station for wirelessly supplying power to the lower portion of the body unit.
- SMPS switched mode power supply
- a cooking appliance driven by multiple power sources includes: a wireless power transmitter including a transmission coil that wirelessly transmits power; and a pickup coil that wirelessly receives power from the transmission coil, a rectifier that rectifies the power received from the pickup coil, a first capacitor that charges power from the rectifier to activate the communication unit, and charges power from the rectifier to activate the control unit.
- a wireless power transmitter including a transmission coil that wirelessly transmits power
- a pickup coil that wirelessly receives power from the transmission coil
- a rectifier that rectifies the power received from the pickup coil
- a first capacitor that charges power from the rectifier to activate the communication unit
- charges power from the rectifier to activate the control unit includes: a wireless power transmitter including a transmission coil that wirelessly transmits power; and a pickup coil that wirelessly receives power from the transmission coil, a rectifier that rectifies the power received from the pickup coil, a first capacitor that charges power from the rectifier to activate the communication unit, and charges power from the rectifier to activate the control unit.
- FIG. 1 is a diagram for explaining a cooking system according to an embodiment of the present disclosure.
- FIG. 2 is a block diagram of a cooking appliance communication unit according to an embodiment of the present disclosure.
- 3A is a block diagram of a station according to an embodiment of the present disclosure.
- 3B is a block diagram of a station according to an embodiment of the present disclosure.
- 4a, 4b, 4c, 4d and 4e are diagrams for explaining types of cooking appliances according to an embodiment of the present disclosure.
- FIG. 5 is a block diagram of a PCB of a cooking appliance according to an embodiment of the present disclosure.
- FIG. 6 is a circuit diagram of a cooking appliance using multiple power sources according to an embodiment of the present disclosure.
- FIG. 7 is a circuit diagram of a cooking appliance using multiple power sources according to an embodiment of the present disclosure.
- FIG. 8A is a circuit diagram of a cooking appliance using multiple power sources according to an embodiment of the present disclosure.
- 8B is a circuit diagram of a cooking appliance using multiple power sources according to an embodiment of the present disclosure.
- FIG. 9 is a circuit diagram of a cooking appliance using multiple power sources according to an embodiment of the present disclosure.
- FIG. 10 is a circuit diagram of a cooking appliance using multiple power sources according to an embodiment of the present disclosure.
- FIG. 11 is a circuit diagram of a cooking appliance using 3-multiple power sources according to an embodiment of the present disclosure.
- FIG. 12 is a circuit diagram of a cooking appliance using 3-multiple power sources according to an embodiment of the present disclosure.
- FIG. 13 is a circuit diagram of a cooking appliance using 3-multiple power sources according to an embodiment of the present disclosure.
- FIG. 14 is a circuit diagram of a cooking appliance using 3-multiple power sources according to an embodiment of the present disclosure.
- 15 is a circuit diagram of a cooking appliance using 3-multiple power sources according to an embodiment of the present disclosure.
- 16 is a circuit diagram of a cooking appliance using multiple power sources according to an embodiment of the present disclosure.
- 17 is a flowchart illustrating a method of driving a cooking appliance using multiple power sources according to an embodiment of the present disclosure.
- a cooking device when the receiver uses a single power source in a cooking appliance driven by wireless power, since power stabilization takes a long time, the user cannot use the cooking appliance during the power stabilization time and cooks during the power stabilization time. Since device information cannot be checked, a cooking device can be provided that allows a user to check minimum information about the cooking device through quick power stabilization of the communication unit by employing a multi-power structure in the receiver of the cooking device.
- a cooking appliance includes a controller configured to control an operation of the cooking appliance after being activated, a communication unit configured to transmit data to a wireless power transmitter after being activated, and power wirelessly from a transmission coil of the wireless power transmitter.
- a pickup coil for receiving the power received from the pickup coil, a rectifier for rectifying the AC current corresponding to the power received from the pickup coil into DC current, a first capacitor for charging the DC current rectified from the rectifier to activate the communication unit before activating the control unit, and a first capacitor A second capacitor having a larger capacitance and charging the DC current rectified from the rectification unit to activate the control unit, wherein the communication unit transmits predetermined data to the wireless power transmission device based on the activation of the communication unit prior to activation of the control unit. send.
- the cooking appliance according to an embodiment of the present disclosure further includes a first switch connecting the first capacitor and the second capacitor.
- the first switch is a diode
- the positive (+) pole of the second capacitor is connected to the anode of the diode
- the positive (+) pole of the first capacitor is connected to the cathode of the diode .
- the first switch is a transistor
- the positive (+) pole of the second capacitor is connected to the collector of the transistor
- the positive (+) pole of the first capacitor is connected to the emitter of the transistor. do.
- control unit turns on the transistor after a predetermined time elapses after wirelessly receiving power through the pickup coil.
- the predetermined time is characterized in that the charging of the second capacitor is completed.
- control unit turns off a switch connected between the rectification unit and the first capacitor after a predetermined time has elapsed.
- the controller controls on/off of a switch connecting the rectifier and the first capacitor according to the charge amount of the second capacitor.
- predetermined data is transmitted to the wireless power transmitter based on activation of the communication unit.
- the predetermined data includes at least one of identification information of the cooking appliance, a welcome message when the cooking appliance is turned on, and state information of the cooking appliance, wherein the identification information of the cooking appliance is the MAC address of the cooking appliance. (Mac address), model name, type information, manufacturer information, serial number, and at least one of manufacturing year and month.
- the switch connecting the rectifier and the second capacitor is turned off until activation of the communication unit is completed.
- a switch connecting the rectifier and the second capacitor is turned on based on completion of activation of the communication unit.
- the cooking appliance according to an embodiment of the present disclosure further includes an output interface using the power of the second capacitor.
- a cooking appliance includes an output interface displaying information; and a third capacitor charging power from the rectifier to activate the output interface, wherein the third capacitor has a larger capacitance than the second capacitor.
- the cooking appliance according to an embodiment of the present disclosure further includes a second switch connecting the second capacitor and the third capacitor.
- the first switch is turned on when the control unit is activated, and the second switch is turned on when the output interface is activated.
- the switch connecting the first capacitor and the rectifier is turned off based on turning on the first switch, and the switch connecting the second capacitor and the rectifier turns the second switch.
- the switch connecting the second capacitor and the rectifier is turned on, and when the voltage across the second capacitor is lower than a predetermined value, the first capacitor and the rectifier are turned off.
- the switch connecting is turned on.
- the cooking appliance according to an embodiment of the present disclosure is heated by eddy current generated in the cooking appliance by magnetic induction of the wireless power transmission device, or the cooking appliance is a receiving coil that wirelessly receives power from the transmission coil of the wireless power transmission device. It is characterized by generating power through.
- the cooking appliance according to an embodiment of the present disclosure further includes a temperature sensor for sensing the temperature of food in the cooking appliance.
- FIG. 1 is a diagram for explaining a cooking system according to an embodiment of the present disclosure.
- a cooking system 100 may include a cooking appliance 1000 and a station 2000 .
- the cooking system 100 may be implemented with more components than those shown, or the cooking system 100 may be implemented with fewer components.
- the cooking system 100 may be implemented as a cooking appliance 1000, a station 2000, and a server device (not shown).
- the cooking appliance 1000 may be referred to as a receiver, home appliance, or home appliance, and these terms may be used interchangeably or interchangeably.
- Station 2000 may include a heating device.
- the cooking appliance 1000 may be a home appliance sold independently or may be a home appliance sold together with the station 2000.
- the cooking appliance 1000 illustrates a smart kettle as an example.
- the cooking appliance 1000 may be a device for heating contents inside.
- the cooking appliance 1000 may include a teapot, a coffee pot, a pot, a frying pan, a steamer, etc. in addition to a smart kettle, but is not limited thereto no.
- the cooking appliance 1000 may be induction heated by the station 2000 and may be various types of containers having magnetism capable of communicating with the station 2000 .
- Contents in the cooking appliance 1000 may be liquids such as water, tea, coffee, soup, juice, wine, etc., or solids such as butter, but are not limited thereto.
- a case in which the cooking appliance 1000 is a smart kettle will be described as a main example.
- the cooking appliance 1000 may wirelessly receive power from the station 2000 using electromagnetic induction. Accordingly, the cooking appliance 1000 according to an embodiment of the present disclosure may not include a power line connected to a power outlet.
- the cooking appliance 1000 may be an induction heating (IH) type cooking appliance (see 1000a and 1000b-1 in FIG. 4a), or a heater type cooking appliance (FIG. 4a). (see 1000b-2 of)).
- IH induction heating
- IH is a method of heating a metal object using electromagnetic induction. For example, when alternating current is supplied to a working coil of the station 2000, a temporally varying magnetic field is induced inside the working coil. The magnetic field generated by the working coil passes through the bottom of the cooking appliance 1000 .
- a temporally varying magnetic field passes through a metal (eg, iron, steel nickel, or various types of alloys) included in the bottom of the cooking appliance 1000
- a current rotating around the magnetic field is generated in the metal.
- a rotating current is called an eddy current
- a phenomenon in which current is induced by a magnetic field that changes with time is called an electromagnetic induction phenomenon.
- IH induction heating
- the heater-type cooking appliance may include a heater and a receiving coil for driving the heater.
- the receiving coil of the heater-type cooking appliance may wirelessly receive power from the operating coil (hereinafter, also referred to as a transmitting coil) of the station 2000 through a magnetic induction method.
- the magnetic induction method transfers energy by applying a magnetic field formed by a current flowing in a transmitting coil to a receiving coil.
- the heater method is also called a 'power reception method' in that power is wirelessly received from the transmission coil of the station 2000.
- the heater type cooking appliance may also be referred to as a power receiving type cooking appliance.
- the power receiving type cooking device may be a heating cooking device that drives a heater adjacent to the receiving coil, or may be a coffee dripper that drives a heater with a considerable distance (eg, 15 cm) from the receiving coil, or a receiving coil. It may be a device such as a blender that drives a motor through
- a power receiving type device (home appliance) corresponding to a heater type cooking appliance may include a battery, and in this case, the battery receives power wirelessly and is charged through a receiving coil.
- the type of the cooking appliance 1000 will be described in more detail later with reference to FIGS. 4A to 4E.
- the cooking appliance 1000 may include a communication unit 1200 capable of communicating with the station 2000 and/or an external device.
- the station 2000 may display information received through the communication unit 1200 of the cooking appliance 1000 on the display unit 2510 . 2 will be referred to for a detailed description of the communication unit 1200 .
- FIG. 2 is a block diagram of a communication unit of a cooking appliance according to an embodiment of the present disclosure.
- the cooking appliance 1000 may communicate with the station 2000 or the server device through the communication unit 1200 .
- the communication unit 1200 may include a processor 1210, a communication unit memory 1220, a short-range wireless communication interface 1230, and/or a long-range communication interface 1240.
- the processor 1210 controls the communication unit memory 1220, the short-range communication unit 1230, and the mobile communication unit 1240 of the communication unit 1200 so that simple data transmission and reception is performed with the station 2000 when the power of the communication unit 1200 is established. will play a role According to one embodiment of the present disclosure, when the power of a control unit (not shown) responsible for overall control of the cooking system 100 is established, the processor 1210 may transfer the control right of the cooking system 100 to the control unit.
- the processor 1210 is responsible for arithmetic processing and functions for controlling other peripheral devices or units. Depending on the required performance and specifications, the processor 1210 is either a CPU, a micro controller unit (MCU), or a microprocessor. can consist of one.
- the communication unit memory 1220 may store programs for processing and control of the processor 1210, and may store predetermined data communicated with the station 2000 (eg, identification information of the cooking appliance 1000, cooking appliance 1000). When first turned on, a welcome message, state information of the cooking appliance 1000, etc.) may be stored.
- the identification information of the cooking appliance 1000 is unique information for identifying the cooking appliance 1000, such as a Mac address, a model name of the cooking appliance 1000, and device type information (eg, IH type or heater type). , manufacturer information (eg, Manufacture ID), a serial number, and at least one of manufacturing year and month (or manufacturing year and month date), but is not limited thereto.
- identification information of the cooking appliance 1000 may be expressed as a series of identification numbers or a combination of numbers and alphabets.
- the welcome message may be, for example, text information 'welcome', or include the user's name when the user's name (eg, David) is registered in the cooking appliance 1000. message - "Welcome! David".
- the status information of the cooking appliance 1000 determines whether the control power of the cooking appliance 1000 has not yet been established, or if the cooking appliance 1000 is a cooking appliance, whether preparation for cooking has been completed, or the current cooking appliance 1000. may include information such as whether or not operation is impossible due to a failure, and such status information may be displayed on the display unit of the station 2000.
- At least one of the predetermined data stored in the communication unit memory 1220 may be transmitted to the station 2000 under the control of the processor 1210 .
- the communication unit memory 1220 is a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (eg SD or XD memory, etc.), RAM (RAM, Random Access Memory) SRAM (Static Random Access Memory), ROM (ROM, Read-Only Memory), EPROM (Erasable Programmable Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM (Programmable Read-Only Memory), a magnetic memory, a magnetic disk, and an optical disk may include at least one type of storage medium.
- RAM Random Access Memory
- SRAM Static Random Access Memory
- ROM Read-Only Memory
- EPROM Erasable Programmable Read-Only Memory
- EEPROM Electrical Erasable Programmable Read-Only Memory
- PROM Programmable Read-Only Memory
- a magnetic memory, a magnetic disk, and an optical disk may include at least one type of storage medium.
- the short-range communication unit 1230 includes a Bluetooth communication unit, a Bluetooth Low Energy (BLE) communication unit, a near field communication interface (NFC), a Wi-Fi (WLAN) communication unit, a Zigbee communication unit, and an infrared data association (IrDA) It may include a communication unit, a Wi-Fi Direct (WFD) communication unit, an ultra wideband (UWB) communication unit, an Ant+ communication unit, etc., but is not limited thereto.
- BLE Bluetooth Low Energy
- NFC near field communication interface
- Wi-Fi Wi-Fi
- Zigbee communication unit Zigbee communication unit
- IrDA infrared data association
- the remote communication unit 1240 may be used to communicate with a server device when the cooking appliance 1000 is remotely controlled by a server device (not shown) in an Internet of Things (IoT) environment.
- the remote communication unit may include the Internet, a computer network (eg, LAN or WAN), and a mobile communication unit.
- the mobile communication unit may include, but is not limited to, a 3G module, a 4G module, a 5G module, an LTE module, a NB-IoT module, and an LTE-M module.
- the cooking appliance 1000 may transmit information to the server device through the station 2000 .
- the cooking appliance 1000 transmits information possessed by the cooking appliance 1000, predetermined information about the cooking appliance 1000, or information acquired during cooking (eg, temperature information of contents, etc.) through short-range wireless communication (for example, it can be transmitted to the station 2000 through Bluetooth, BLE, etc.).
- the station 2000 may transmit information obtained from the cooking appliance 1000 (eg, content temperature information, etc.) to the server device by accessing the server device through a WLAN (Wi-Fi) communication unit and a remote communication unit (Internet).
- the server device may provide information obtained from the cooking appliance 1000 received from the station 2000 to the user through a mobile terminal connected to the server device.
- the cooking appliance 1000 may include a sensor unit, and the sensor unit may include a temperature sensor, an infrared sensor, a proximity sensor, a weight sensor, a geomagnetic sensor, and the like.
- the temperature of the contents of the cooking appliance 1000 may be monitored through a temperature sensor, and temperature information of the contents may be transmitted to the station 2000 through the communication unit 1200 .
- the cooking appliance 1000 may transmit temperature information of the contents sensed at regular intervals to the station 2000, and a specific event (eg, upon reception of a request from the station 2000) may occur. In case of occurrence, temperature information of contents may be transmitted to the station 2000 .
- An infrared sensor and a proximity sensor may be used to determine whether the cooking appliance 1000 is placed in the station 2000, and a weight sensor may be used to sense the weight of contents in the cooking appliance 1000.
- the weight sensor may also be used to determine the presence or absence of contents in the cooking appliance 1000 .
- the geomagnetic sensor may be used to sense whether the cooking appliance 1000 is properly placed in the station 2000 .
- 3A and 3B are block diagrams of stations according to an embodiment of the present disclosure.
- a station 2000 may include a wireless power transmitter 2100, a processor 2200, and a communication interface 2300.
- a wireless power transmitter 2100 may include a wireless power transmitter 2100, a processor 2200, and a communication interface 2300.
- the station 2000 may be implemented with more components than those shown, or the station 2000 may be implemented with fewer components.
- the station 2000 is a device for wirelessly transmitting power through the wireless power transmitter 2100 to a heating target (eg, the cooking appliance 1000) located on the upper plate using electromagnetic induction.
- a heating target eg, the cooking appliance 1000
- can be Station 2000 may be represented as an induction or electric range.
- the station 2000 may include an operating coil generating a magnetic field for inductively heating the cooking appliance 1000 in the wireless power transmitter 2100 .
- the cooking appliance 1000 is a heater-type cooking appliance including a receiving coil
- the working coil may be referred to as a transmitting coil.
- the station 2000 may include a plurality of operating coils in the wireless power transmitter 2100.
- the station 2000 may include a plurality of operating coils corresponding to each of the plurality of cooking zones. Also, the station 2000 may include a high-power cooking region in which a first operating coil is provided on the inside and a second operating coil is provided on the outside. A high power cooking zone may include three or more actuating coils.
- the upper plate of the station 2000 may be made of tempered glass such as ceramic glass so as not to be easily damaged. Also, a guide mark for guiding a cooking zone in which the cooking appliance 1000 should be located may be formed on the upper plate of the station 2000 .
- the station 2000 may include a communication interface 2300 for communicating with an external device.
- the station 2000 may communicate with the cooking appliance 1000 or the server device through the communication interface 2300 .
- the communication interface 2300 of the station 2000 may include a short-range communication unit (eg, NFC communication unit, Bluetooth communication unit, etc.), a long-distance communication unit, and the like.
- the station 2000 may detect the cooking appliance 1000 positioned on the top plate through the communication interface 2300 .
- the station 2000 may detect the cooking appliance 1000 positioned on the top plate using NFC communication.
- the station 2000 receives predetermined data from the cooking appliance 1000 using short-range wireless communication (eg, NFC communication or Bluetooth communication). can do.
- the predetermined data received from the communication unit 1200 of the cooking appliance 1000 may include at least one of identification information of the cooking appliance 1000, a welcome message when the cooking appliance 1000 is turned on, and status information of the cooking appliance 1000.
- Identification information of the cooking appliance 1000 may include a MAC address, model name, type information, manufacturer information, serial number, manufacturing year, and the like of the cooking appliance 1000 .
- the station 2000 is a remote communication unit and provides a cooking appliance (1000) to a user's mobile terminal through device to device (D2D) communication (eg, Wi-Fi Direct (WFD) communication or BLE communication). ) may directly transmit information acquired from.
- D2D device to device
- WFD Wi-Fi Direct
- BLE BLE communication
- the station 2000 may wirelessly transmit power to the cooking appliance 1000 through the wireless power transmission unit 2100 to cook the contents of the cooking appliance 1000 .
- Transmitting power wirelessly may mean transferring power using a magnetic field induced in a receiving coil or a metal (eg, iron component) in a magnetic induction method.
- the station 2000 may generate an eddy current in the cooking appliance 1000 or induce a magnetic field in a receiving coil by flowing current through an operating coil (transmitting coil) to form a magnetic field.
- a station 2000 includes a wireless power transmission unit 2100, a processor 2200, a communication interface 2300, a sensor unit 2400, and an output interface 2500. ), a user interface 2600, and a memory 2700.
- the wireless power transmitter 2100 may include a driving unit 2110 and an operating coil 2120, but is not limited thereto.
- the driving unit 2110 may receive power from an external power source and supply current to the operating coil 2120 according to a driving control signal of the processor 2200 .
- the driver 2110 may include an EMI (Electro Magnetic Interference) filter 2111, a rectifier circuit 2112, an inverter circuit 2113, a distribution circuit 2114, a current detection circuit 2115, and a drive processor 2116. However, it is not limited thereto.
- EMI Electro Magnetic Interference
- the EMI filter 2111 can block high-frequency noise included in AC power supplied from an external power source (ES: External Source) and pass AC voltage and AC current of a predetermined frequency (eg, 50 Hz or 60 Hz). there is.
- ES External Source
- a fuse and a relay for blocking overcurrent may be provided between the EMI filter 2111 and the external power source ES.
- AC power from which high-frequency noise is blocked by the EMI filter 2111 is supplied to the rectifier circuit 2112.
- the rectifier circuit 2112 may convert AC power into DC power.
- the rectifier circuit 2112 converts an AC voltage whose magnitude and polarity (positive voltage or negative voltage) change over time to a DC voltage whose magnitude and polarity are constant, and converts an AC voltage whose magnitude and polarity (positive voltage or negative voltage) change over time, and It is possible to convert alternating current of varying magnitude (current of negative or negative current) into direct current having constant magnitude.
- the rectifier circuit 2112 may include a bridge diode.
- rectifier circuit 2112 may include four diodes.
- the bridge diode can convert an AC voltage whose polarity changes over time into a positive voltage whose polarity is constant, and an AC current whose direction changes over time into a positive current whose direction is constant.
- the rectifier circuit 2112 may include a DC link capacitor.
- the DC coupling capacitor can convert a positive voltage whose size changes with time into a DC voltage of a constant size.
- the inverter circuit 2113 may include a switching circuit for supplying or blocking driving current to the working coil 2120 and a resonance circuit generating resonance with the working coil 2120 .
- the switching circuit may include a first switch and a second switch. The first switch and the second switch may be connected in series between a plus line and a minus line output from the rectifier circuit 2112 . The first switch and the second switch may be turned on or off according to a driving control signal of the driving processor 2116 .
- the inverter circuit 2113 may control current supplied to the operating coil 2120 .
- the magnitude and direction of the current flowing through the operating coil 2120 may change according to turning on/off of the first switch and the second switch included in the inverter circuit 2113 .
- AC current may be supplied to the working coil 2120 .
- Alternating current in the form of a sine wave is supplied to the operating coil 2120 according to the switching operations of the first switch and the second switch.
- the longer the switching period of the first switch and the second switch eg, the smaller the switching frequency of the first switch and the second switch
- the larger the current supplied to the working coil 2120 may be, and the working coil 2120
- the strength of the output magnetic field (output of the station 2000) may increase.
- the driving unit 2110 may include a distribution circuit 2114 .
- the distribution circuit 2114 may include a plurality of switches that pass or block current supplied to the plurality of operation coils 2120, and the plurality of switches are turned on or off according to a distribution control signal of the drive processor 2116. can be turned off.
- the current sensing circuit 2115 may include a current sensor that measures the current output from the inverter circuit 2113 .
- the current sensor may transfer an electrical signal corresponding to the measured current value to the driving processor 2116 .
- the driving processor 2116 may determine a switching frequency (turn-on/turn-off frequency) of a switching circuit included in the inverter circuit 2113 based on the output intensity (power level) of the station 2000 .
- the driving processor 2116 may generate a driving control signal for turning on/off the switching circuit according to the determined switching frequency.
- the operating coil 2120 may generate a magnetic field for heating the cooking appliance 1000 .
- a magnetic field may be induced around the working coil 2120.
- a current whose size and direction change with time that is, an alternating current
- a magnetic field whose size and direction change with time may be induced around the working coil 2120.
- a magnetic field around the working coil 2120 can pass through the top plate made of tempered glass and reach the cooking appliance 1000 placed on the top plate. Due to a magnetic field whose size and direction change with time, an eddy current rotating around the magnetic field may be generated in the cooking appliance 1000, and electrical resistance heat may be generated in the cooking appliance 1000 due to the eddy current. .
- Electrical resistance heat is heat generated in a resistor when a current flows through it, and is also called Joule heat. The cooking appliance 1000 is heated by the electric resistance heat, and contents inside the cooking appliance 1000 may be heated.
- an induced current may flow in the receiving coil 1003 of the cooking appliance 1000 while the magnetic field generated by the operating coil 2120 passes through the receiving coil.
- the cooking appliance 1000 may heat the contents by driving a heater, which is a load 1004, using power generated by the receiving coil 1003.
- the working coil 2120 may be expressed as a transmitting coil compared to the receiving coil 1003 of the cooking appliance 1000 .
- the processor 2200 controls the overall operation of the station 2000.
- the processor 2200 executes programs stored in the memory 2700, thereby providing the wireless power transmission unit 2100, the communication interface 2300, the sensor unit 2400, the output interface 2500, the user interface 2600, and the memory 2700. ) can be controlled.
- the station 2000 may be equipped with an artificial intelligence (AI) processor.
- AI artificial intelligence
- the artificial intelligence (AI) processor may be manufactured in the form of a dedicated hardware chip for artificial intelligence (AI), or manufactured as part of an existing general-purpose processor (eg CPU or application processor) or graphics-only processor (eg GPU). It may also be mounted on the station 2000.
- the processor 2200 may perform multi-power control of the cooking appliance 1000 employing a multi-power structure of the cooking appliance 1000 .
- Information on the multi-power control method of the cooking appliance 1000 may be stored in the memory 2700 of the station 2000, may be stored in the memory of the cooking appliance 1000, or may be obtained from an external server device. may be
- the processor 2200 may control power transmission by the wireless power transmitter 2100 so that the temperature of the contents of the cooking appliance 1000 reaches a target heating temperature. For example, based on receiving temperature information from the cooking appliance 1000 through the communication interface 2300, the processor 2200 may determine whether the temperature of the contents of the cooking appliance 1000 has reached a target heating temperature. there is. When the temperature of the contents of the cooking appliance 1000 reaches the target heating temperature, the processor 2200 may stop power transmission by the wireless power transmitter 2100 . For example, the processor 2200 may control the inverter circuit 2113 to stop supplying driving current to the working coil 2120 .
- the communication interface 2300 may include a short-distance communication unit 2310 and a long-distance communication unit 2320 .
- the short-range wireless communication interface is a Bluetooth communication unit, a Bluetooth Low Energy (BLE) communication unit, a near field communication interface (NFC), a WLAN (Wi-Fi) communication unit, a Zigbee communication unit, an infrared (IrDA) , Infrared Data Association (WFD) communication unit, WFD (Wi-Fi Direct) communication unit, UWB (Ultra Wideband) communication unit, Ant+ communication unit, etc. may be included, but is not limited thereto.
- the remote communication unit 2320 transmits and receives a radio signal with at least one of a base station, an external terminal, and a server on a mobile communication network.
- the radio signal may include a voice call signal, a video call signal, or various types of data according to text/multimedia message transmission/reception.
- the remote communication unit 2320 may include a 3G module, 4G module, 5G module, LTE module, NB-IoT module, LTE-M module, etc., but is not limited thereto.
- identification information eg, type of cooking appliance, MAC address, model name, etc.
- identification information eg, type of cooking appliance, MAC address, model name, etc.
- the communication interface 2300 may receive temperature information of contents measured by the cooking device 1000 from the cooking device 1000 .
- the sensor unit 2400 may or may not be included according to the function of the station 2000 .
- the sensor unit 2400 may include various sensors including a temperature sensor 2410, an infrared sensor 2420, a proximity sensor 2430, a weight sensor 2440, and a magnetic sensor 2450.
- the temperature sensor 2410 may detect the temperature of the cooking appliance 1000 placed on the top plate or the temperature of the top plate.
- the cooking appliance 1000 is inductively heated by the operating coil 2120 and may be overheated depending on the material. Accordingly, the station 2000 may detect the temperature of the cooking appliance 1000 placed on the top plate or the top plate, and may block the operation of the operating coil 2120 when the cooking appliance 1000 is overheated.
- a temperature sensor 2410 may be installed adjacent to the actuating coil 2120 . For example, the temperature sensor 2410 may be located at the center of the operating coil 2120 .
- the temperature sensor 2410 may include a thermistor whose electrical resistance changes according to temperature.
- the temperature sensor may be a negative temperature coefficient (NTC ) temperature sensor, but is not limited thereto.
- the temperature sensor may be a positive temperature coefficient (PTC) temperature sensor.
- the infrared sensor 2420, proximity sensor 2430, weight sensor 2440, and magnetic sensor 2450 may be used to determine whether the cooking appliance 1000 is placed on the station 2000, but is not limited thereto.
- the output interface 2500 is for outputting an audio signal or a video signal, and may include a display unit 2510 and a sound output unit 2520.
- the station 2000 may display information related to the cooking appliance 1000 through the display unit 2510 .
- the station 2000 identifies identification information (eg, electric pot) may be displayed on the display unit 2510.
- the display unit 2510 may be used as an input device as well as an output device.
- the display unit 2510 includes a liquid crystal display, a thin film transistor-liquid crystal display, a light-emitting diode (LED), an organic light-emitting diode, At least one of a flexible display, a 3D display, and an electrophoretic display may be included. Also, depending on the implementation form of the station 2000, the station 2000 may include two or more display units 2510.
- the audio output unit 2520 may output audio data received from the communication interface 2300 or stored in the memory 2700 . Also, the sound output unit 2520 may output sound signals related to functions performed by the station 2000 .
- the sound output unit 2000 may include a speaker, a buzzer, and the like.
- the output interface 2500 may output at least one of multiple power state information and the current temperature of contents in the cooking appliance 1000 through the display unit 2510 . According to one embodiment of the present disclosure, the output interface 2500 may output the current temperature of the contents in the cooking appliance 1000 as a voice.
- the output interface 2500 may display identification information of the cooking appliance 1000.
- the output interface 2500 may display at least one of the type of the cooking appliance 1000, the model name of the cooking appliance 1000, and an icon representing the cooking appliance 1000 on the display unit 2510.
- the output interface 2500 includes the current power level, operation mode (eg, low noise mode, normal mode, high output mode, etc.), multiple power establishment states (communication unit power establishment complete, control unit power establishment completion, Display unit power is being established, display unit power is established), etc. may be displayed.
- operation mode eg, low noise mode, normal mode, high output mode, etc.
- multiple power establishment states communication unit power establishment complete, control unit power establishment completion, Display unit power is being established, display unit power is established, etc. may be displayed.
- the user interface 2600 is for receiving an input from a user.
- the user interface 2600 includes a key pad, a dome switch, a touch pad (contact capacitance method, pressure resistive film method, infrared sensing method, surface ultrasonic conduction method, integral tension measurement method, It may be at least one of a piezo effect method, etc.), a jog wheel, and a jog switch, but is not limited thereto.
- the user interface 2600 may include a voice recognition module.
- the station 2000 may receive a voice signal, which is an analog signal, through a microphone and convert the voice part into computer-readable text using an Automatic Speech Recognition (ASR) model.
- ASR Automatic Speech Recognition
- NLU natural language understanding
- the ASR model or NLU model may be an artificial intelligence model.
- the artificial intelligence model can be processed by an artificial intelligence processor designed with a hardware structure specialized for the processing of artificial intelligence models. AI models can be created through learning.
- An artificial intelligence model may be composed of a plurality of neural network layers. Each of the plurality of neural network layers has a plurality of weight values, and a neural network operation is performed through an operation between an operation result of a previous layer and a plurality of weight values.
- Linguistic understanding is a technology that recognizes and applies/processes human language/text, and includes natural language processing, machine translation, dialog system, question answering, and voice recognition. /Includes Speech Recognition/Synthesis, etc.
- the memory 2700 may store programs for processing and control of the processor 2200, and input/output data (eg, identification information of the cooking appliance 1000, temperature control method of the cooking appliance 1000, etc.) information, etc.) may be stored.
- the memory 2700 may store an artificial intelligence model.
- the memory 2700 may include a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory, etc.), and RAM.
- RAM Random Access Memory
- SRAM Static Random Access Memory
- ROM Read-Only Memory
- EEPROM Electrically Erasable Programmable Read-Only Memory
- PROM Programmable Read-Only Memory
- magnetic memory magnetic disk , an optical disk, and at least one type of storage medium.
- the station 2000 may operate a web storage or cloud server that performs a storage function on the Internet.
- 4a, 4b, 4c, 4d and 4e are diagrams for explaining types of cooking appliances according to an embodiment of the present disclosure.
- the cooking appliance 1000 may include a first type cooking appliance 1000a, which is a general IH container including a magnetic material (eg, IH metal). ) and a second type cooking appliance 1000b capable of communication.
- the second type of cooking appliance 1000b capable of communicating with the station 2000 may be defined as a small appliance.
- the second type cooking appliance 1000b includes a 2-1 type cooking appliance 1000b-1 including IH metal (eg, iron) and a receiving coil 1003. It can be classified as a 2-2 type cooking appliance 1000b-2 including Let's take a look at each type.
- the first type of cooking appliance 1000a may be induction heated by the station 2000 and may be various types of containers including a magnetic material.
- the induction heating (IH) has been described in detail with reference to FIG. 1 above.
- the second type of cooking appliance 1000b may include a pickup coil 1001, a power supply unit 1010, a control unit 1100, a communication unit 1200, an output interface 1300, and a sensor unit 1400.
- the power supply unit 1010, the control unit 1100, the communication unit 1200, the output interface 1300, and the sensor unit 1400 may be mounted on a printed circuit board 1005 (PCB Printed Circuit Board).
- the pickup coil 1001 may also be referred to as a 'coil for low power' or 'a low power coil' that generates power for operating the PCB 1005 . When power is supplied to the PCB 1005 through the pickup coil 1001, components mounted on the PCB 1005 may be activated.
- the power supply unit 1010 when power is supplied to the PCB 1005 through the pickup coil 1001, the power supply unit 1010, the control unit 1100, the communication unit 1200, the output interface 1300, and the sensor unit 1400 are activated. It can be.
- the PCB 1005 will be described in more detail with reference to FIG. 5 .
- FIG. 5 is a block diagram of a PCB of a cooking appliance according to an embodiment of the present disclosure.
- the PCB 1005 may include a power supply unit 1010, a control unit 1100, a communication unit 1200, an output interface 1300, and a sensor unit 1400.
- the power supply unit 1010 receives AC power from the pickup coil 1001 and supplies DC power to the control unit 1100, the communication unit 1200, the output interface 1300, and the sensor unit 1400.
- a Switched Mode Power Supply can be
- the power supply unit 1010 supplies AC and DC power in a form other than commercial AC power from the control unit 1100, the communication unit 1200, the output interface 1300, and the sensor unit 1400 as well as other components in the cooking appliance 1000b.
- An inverter and/or converter may be included to supply this when necessary.
- the power supply unit 1010 may include a rectifier (rectification circuit) that converts AC power to DC power.
- the rectifier converts AC voltage, whose magnitude and polarity (positive or negative voltage) change over time, into DC voltage whose magnitude and polarity are constant, and whose magnitude and direction (positive or negative current) change over time.
- a changing alternating current can be converted into a constant direct current.
- the rectifier may include a bridge diode.
- the bridge diode can convert an AC voltage whose polarity changes over time into a positive voltage whose polarity is constant, and an AC current whose direction changes over time into a positive current whose direction is constant.
- the rectifier may include a DC link capacitor.
- the DC coupling capacitor can smooth out a positive voltage whose size changes over time to a DC voltage of a constant size.
- the inverter connected to the DC connection capacitor may generate AC power of various frequencies and sizes required by the cooking appliance 1000b, and the converter may generate DC power of various sizes required by the cooking appliance 1000b. .
- the controller 1100 may include at least one processor 1110, a memory 1120, and a communication interface 1130.
- the processor 1110 controls the overall operation of the cooking appliance 1000b.
- at least one processor included in the controller 1100 may control the power supply unit 1010, the communication unit 1200, the output interface 1300, and the sensor unit 1400.
- the control unit 1100 may detect a power transmission pattern of power received from the station 2000 through the power supply unit 1010 to identify the current location of the cooking appliance 1000b. For example, the controller 1100 may compare pre-stored power transfer patterns for each cooking area with the detected power transfer pattern, thereby determining which cooking area corresponds to the detected power transfer pattern.
- the cooking appliance 1000b may further include a voltage sensor for detecting a power transmission pattern.
- the controller 1100 may control the communication unit 1200 to transmit or receive data.
- the control unit 1100 may transmit at least one of identification information of the cooking appliance 1000b, location information of the cooking appliance 1000b, and communication connection information of the cooking appliance 1000b to the station 2000 through a communication unit ( 1200) can be controlled.
- the controller 1100 may control the sensor unit 1400.
- the sensor unit 1400 may include various sensors, such as a temperature sensor 1410, an infrared sensor 1420, a proximity sensor 1430, a weight sensor 1440, and a geomagnetic sensor 1450. It can, but is not limited to this.
- the control unit 1100 may control the temperature sensor 1410 to measure the temperature of the contents of the cooking appliance 1000b and transmit the measurement result to the control unit 1100 .
- the controller 1100 may control the temperature sensor 1410 to monitor the temperature of the contents at regular intervals.
- the control unit 1100 may control the communication unit 1200 to transmit temperature information of contents to the station 2000 through short-range wireless communication.
- the cooking appliance 1000a may not include the sensor unit 1400.
- the processor 1110 of the controller 1100 may control the switching element of the cooking appliance 1000b.
- the processor 1010 may control the communication interface 1130 and the communication unit 1200 to transmit or receive data.
- the processor 1110 may control the output interface 1300 to output information.
- the communication interface 1130 includes the cooking appliance 1000b and the station 2000, the cooking appliance 1000b and a server device (not shown), the cooking appliance 1000b and a mobile terminal (not shown), and the cooking appliance 1000b and It may include one or more components that enable communication between different home appliances.
- the communication interface 1130 may include a short-distance communication unit and a long-distance communication unit.
- the communication unit 1200 may replace all functions of the communication interface 1130, and thus, the communication interface 1130 may be omitted from the control unit 1100.
- the communication interface 1130 includes a short-range wireless communication unit 1510, a Bluetooth communication unit, a Bluetooth Low Energy (BLE) communication unit, a Near Field Communication unit, a WLAN (Wi-Fi) communication unit, and a ZigBee ( It may include a Zigbee) communication unit, an infrared data association (IrDA) communication unit, a Wi-Fi Direct (WFD) communication unit, an ultra wideband (UWB) communication unit, an Ant+ communication unit, etc., but is not limited thereto.
- the remote communication unit may be used to communicate with a server device when the cooking appliance 1000b is remotely controlled by a server device (not shown) in an Internet of Things (IoT) environment.
- IoT Internet of Things
- the remote communication unit may include the Internet, a computer network (eg, LAN or WAN), and a mobile communication unit.
- the mobile communication unit may include, but is not limited to, a 3G module, a 4G module, a 5G module, an LTE module, a NB-IoT module, and an LTE-M module.
- the cooking appliance 1000a may replace the communication interface 1130 with the communication unit 1200 and use it.
- Program commands for operating the cooking appliance 1000b, information on the cooking appliance 1000b, and cooking information may be stored in the memory 1120 .
- the memory 1120 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (eg SD or XD memory, etc.), RAM (RAM, Random Access Memory) SRAM (Static Random Access Memory), ROM (Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM (Programmable Read-Only Memory), magnetic memory, magnetic disk , an optical disk, and at least one type of storage medium.
- Programs stored in the memory 1120 may be classified into a plurality of modules according to their functions. At least one artificial intelligence model may be stored in the memory 1120 .
- Power to the communication unit 1200 may be established prior to the control unit 1100 , the output interface 1300 , and the sensor unit 1400 according to an embodiment of the present disclosure.
- the cooking stored in the communication unit memory 1220 is controlled by the processor 1210 in the communication unit 1200.
- Information of the device 1000b may be transmitted to the station 2000 .
- the processor 1210 may transfer the control right of the cooking appliance 1000b to the controller 1100 according to an embodiment of the present disclosure.
- the processor 1110 of the controller 1100 controls the overall operation of the cooking appliance 1000b through the transferred control right.
- the processor 1210 performs control operations required for the cooking appliance 1000b until the power of the control unit 1100 is established, and when the power of the control unit 1100 is established, the processor 1210 of the control unit 1100 ) and the processor 1210 of the communication unit 1200 may each control the cooking appliance 1000b by dividing roles.
- the communication unit 1200 includes one or more devices that enable communication between the cooking appliance 1000b and the station 2000, between the cooking appliance 1000b and a server device (not shown), or between the cooking appliance 1000b and a mobile terminal (not shown). components may be included.
- the communication unit 1200 may include a short-distance communication unit and a long-distance communication unit.
- the short-range wireless communication unit includes a Bluetooth communication unit, a Bluetooth Low Energy (BLE) communication unit, a Near Field Communication unit (NFC), a WLAN (Wi-Fi) communication unit, a Zigbee communication unit, and an infrared (IrDA) , infrared data association (WFD) communication unit, WFD (Wi-Fi Direct) communication unit, UWB (ultra wideband) communication unit, Ant+ communication unit, etc. may be included, but is not limited thereto.
- the remote communication unit may be used to communicate with a server device when the cooking appliance 1000b is remotely controlled by a server device (not shown) in an Internet of Things (IoT) environment.
- IoT Internet of Things
- the remote communication unit may include the Internet, a computer network (eg, LAN or WAN), and a mobile communication unit.
- the mobile communication unit may include, but is not limited to, a 3G module, a 4G module, a 5G module, an LTE module, a NB-IoT module, and an LTE-M module.
- the cooking appliance 1000b may transmit information to the server device through the station 2000 .
- the cooking appliance 1000b transmits information acquired from the cooking appliance 1000b (eg, temperature information of contents, device information of the cooking appliance, date of manufacture, serial number, etc.) through short-range wireless communication (eg, Bluetooth, BLE). etc.) to the station 2000.
- the station 2000 accesses the server device through a WLAN (Wi-Fi) communication unit and a remote communication unit (Internet), thereby obtaining information from the cooking appliance 1000b (eg, content temperature information, cooking appliance device information, manufacturing date, year, serial number, etc.) to the server device.
- WLAN Wi-Fi
- Internet remote communication unit
- the server device may provide information obtained from the cooking appliance 1000b received from the station 2000 to the user through a mobile terminal connected to the server device.
- the station 2000 acquires information from the cooking appliance 1000b to the user's mobile terminal through device to device (D2D) communication (eg, Wi-Fi Direct (WFD) communication or BLE communication). You can also transmit information directly.
- D2D device to device
- WFD Wi-Fi Direct
- the output interface 1300 may be in charge of outputting a video signal or an audio signal of the cooking appliance 1000a.
- the output interface 1300 may include a display unit 1310, a sound output unit 1320, a vibration motor 1330, and the like.
- the display unit 1310 may be used as an input interface as well as an output interface.
- the display unit 1310 includes a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, 3 It may include at least one of a 3D display unit and an electrophoretic display unit.
- the cooking appliance 1000b may include two or more display units according to an implementation form.
- the audio output unit 1320 may output audio data received through the communication interface 1130 or stored in the memory 1120 .
- the audio output unit 1320 may output an audio signal related to a function performed by the cooking appliance 1000b (eg, a notification sound, a guide voice, audio data for a target heating temperature, and audio for a current temperature of contents). data, audio data for multiple power states) can be output.
- the cooking appliance 1000b may not include the sound output unit 1320.
- the output interface 1300 may further include a lighting device (eg, LED).
- a lighting device eg, LED
- the output interface 1300 may display multiple power supply states of the cooking appliance 1000b using an LED lamp.
- the PCB 1005 may be implemented with more components than those shown, or the PCB 1005 may be implemented with fewer or more components.
- the communication interface 1130 may be omitted and implemented only with the control unit 1100 and the communication unit 1200.
- the PCB 1005 may include only the control unit 1100, the communication unit 1200, and the output interface 1300.
- the cooking appliance 1000b including the PCB 1005 includes a user interface for receiving a user's input, a battery, etc. may include more.
- the user when the PCB 1005 includes a user interface, the user may set or change the multi-power control method of the cooking appliance 1000b through the user interface.
- the battery when the cooking appliance 1000b includes a battery, the battery may be used as auxiliary power.
- the cooking appliance 1000b may continue to operate the cooking appliance 1000b using battery power even if power transmission from the station 2000 is stopped. there is.
- the battery when the cooking appliance 1000b includes a battery, the battery may be used as auxiliary power.
- the cooking appliance 1000b may monitor the temperature of contents using battery power even if power transmission from the station 2000 is stopped.
- the cooking appliance 1000b may transmit a notification to the mobile terminal using battery power or request power transmission from the station 2000 when the temperature of the contents decreases below the critical temperature.
- the cooking appliance 1000b may be recognized in advance.
- the battery may include, but is not limited to, a secondary battery (eg, a lithium ion battery, a nickel-cadmium battery, a polymer battery, a nickel-metal hydride battery, etc.), a supercapacitor, and the like.
- a supercapacitor is a capacitor with a very large capacitance and is called an ultra-capacitor or an ultra-high-capacitance capacitor.
- the memory may store a program for processing and controlling the processor, and input/output data (eg, power transmission for each cooking area). pattern information, identification information of the cooking appliance 1000b, etc.) may be stored.
- Memory includes flash memory type, hard disk type, multimedia card micro type, card type memory (eg SD or XD memory, etc.), RAM (RAM, Among Random Access Memory) SRAM (Static Random Access Memory), ROM (Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM (Programmable Read-Only Memory), magnetic memory, magnetic disk, and optical disk It may include at least one type of storage medium. Programs stored in the memory may be classified into a plurality of modules according to their functions. At least one artificial intelligence model may be stored in the memory.
- the second type cooking appliance 1000b may further include a communication coil 1002 .
- the communication coil 1002 is a coil for performing short-range wireless communication with the station 2000 .
- the communication coil 1002 may be an NFC antenna coil for NFC communication.
- the number of windings of the communication coil 1002 is expressed as one in FIG. 4B, it is not limited thereto.
- the number of windings of the communication coil 1002 may be plural.
- the communication coil 1002 may be wound with 5 to 6 turns.
- An NFC circuit connected to the communication coil 1002 may receive power through the pickup coil 1001 .
- the second type cooking appliance 1000b includes a 2-1 type cooking appliance 1000b-1 including IH metal (eg, iron) and a receiving coil 1003. It may include a 2-2 type cooking appliance 1000b-2.
- the 2-1 type cooking appliance 1000b-1 like the first type cooking appliance 1000a, which is a general IH container, eddy current is generated in the IH metal of the cooking appliance 1000b-1, so that the cooking appliance The contents in (1000b-1) can be heated.
- the 2-1 type cooking appliance 1000b-1 may include a smart kettle, an electric rice cooker (smart pot), etc., but is not limited thereto.
- the 2-2 type cooking appliance 1000b-2 may further include a receiving coil 1003 and a load 1004 than the 2-1 type cooking appliance 1000b-1.
- the receiving coil 1003 may be a coil that receives wireless power transmitted from the station 2000 and drives the load 1004 .
- a magnetic field generated from a current flowing in a transmitting coil of the station 2000 passes through the receiving coil 1003, an induced current flows through the receiving coil 1003 and energy may be supplied to the load 1004.
- the flow of induced current in the receiving coil 1003 by the magnetic field generated by the transmitting coil may be expressed as the receiving coil 1003 receiving wireless power from the transmitting coil.
- the receiving coil 1003 may have a concentric circle shape or an elliptical shape, but is not limited thereto. According to an embodiment of the present disclosure, the number of receiving coils 1003 may be plural.
- the 2-2 type cooking appliance 1000b-2 may include a receiving coil for a warming heater and a receiving coil for a heating heater. At this time, the receiving coil for the heating heater may drive the heating heater, and the receiving coil for the warming heater may drive the warming heater.
- the pickup coil 1001, the communication coil 1002, and the receiving coil 1003 may be disposed on the same layer.
- the communication coil 1002 may be disposed at the innermost part
- the receiving coil 1003 may be disposed in the middle
- the pickup coil 1001 may be disposed at the outermost part. no.
- the receiving coil 1003 may be disposed at the innermost part, the pickup coil 1001 may be disposed in the middle, and the communication coil 1002 may be disposed at the outermost part. Also, referring to 420 of FIG. 4C , the receiving coil 1003 may be disposed at the innermost part, the communication coil 1002 may be disposed in the middle, and the pickup coil 1001 may be disposed at the outermost part. Although not shown, according to an embodiment, coils may be arranged in the following order from the innermost.
- the pickup coil 1001, the communication coil 1002, and the receiving coil 1003 may be arranged in a stacked structure.
- the load 1004 may include, but is not limited to, a heater, a motor, and the like.
- the heater is for heating the contents in the 2-2 type cooking appliance 1000b-2.
- the shape of the heater may vary, and the material of the shell (eg, iron, stainless steel, copper, aluminum, Incoloy, Incotel, etc.) may also vary.
- the 2-2 type cooking appliance 1000b-2 may include a plurality of heaters.
- the 2-2 type cooking appliance 1000b-2 may include a warming heater and a heating heater. Warming heaters and heating heaters can produce different levels of heating output. For example, the heating level of the warming heater may be lower than that of the heating heater.
- the 2-2 type cooking appliance 1000b-2 may further include a resonance capacitor (not shown) between the receiving coil 1003 and the load 1004. At this time, the resonance value may be set differently according to the amount of power required by the load 1004 .
- the 2-2 type cooking appliance 1000b-2 includes a switch unit (eg, a relay switch or a semiconductor switch) for turning on/off the operation of the load 1004 (not shown) may be further included.
- the 2-2 type cooking appliance 1000b-2 is a heater-applied product (eg, a coffee machine (coffee dripper), a toaster), a motor-applied product (eg, a blender), and the like. It may include, but is not limited to.
- the first type of cooking appliance 1000a since the first type of cooking appliance 1000a includes IH metal, it can be detected in the IH container detection mode of the station 2000, but the first type of cooking appliance 1000a ) may not be detected in the small appliance detection mode of the station 2000 because communication with the station 2000 is impossible. Since the 2-1 type cooking appliance 1000b-1 includes IH metal, it can be detected in the IH vessel detection mode of the station 2000, and the 2-1 type cooking appliance 1000b-1 is a station Since communication with (2000) is also possible, it can be detected even in the small appliance detection mode of the station (2000).
- the 2-2 type cooking appliance 1000b-2 does not contain IH metal, it is not detected in the IH container detection mode of the station 2000, but the 2-2 type cooking appliance 1000b-2 is a station Since it can communicate with (2000), it can be detected in the small appliance detection mode of the station (2000).
- 4D is a diagram for explaining a cooking appliance according to an embodiment of the present disclosure.
- the cooking appliance 1000b-1 shows a kettle as a 2-1 type of cooking appliance heated by an IH method.
- the cooking appliance 1000b-1 may include a pickup coil 1001 and a communication coil 1002.
- eddy current is generated in the cooking appliance 1000b-1 by the power induced from the station 2000, and through this, the cooking appliance 1000b-1 is heated.
- Power capable of driving the PCB 1005 is generated through the pickup coil 1001 .
- the cooking appliance 1000b-1 and the station 2000 may communicate with each other through the communication coil 1002.
- 4E is a diagram for explaining a cooking appliance according to an embodiment of the present disclosure.
- 4E shows a cooking appliance 1000b-2 called a kettle as a 2-2 type of cooking appliance that heats through the receiving coil 1003.
- the cooking appliance 1000b-2 according to FIG. 4E may further include a receiving coil 1003 and a load 1004 than the IH cooking appliances 1000a and 1000b-1.
- the pickup coil 1001 and the communication coil 1002 have been described in detail in FIG. 4A.
- Components included in the PCB 1005 control unit 1100, communication unit 1200, output interface 1300, and sensor unit 1400) have been described in detail with reference to FIG. 1004) and the receiving coil 1003 will be reviewed.
- the receiving coil 1003 may be a coil that receives wireless power transmitted from the station 2000 and drives a load 1004 that is a heater.
- a magnetic field generated from a current flowing in a transmitting coil (actuating coil) of the station 2000 passes through the receiving coil 1003, and an induced current flows through the receiving coil 1003 to a load 1004, which is a heater, as a cooking appliance.
- Energy can be supplied to (1000b-2).
- the receiving coil 1003 may have a concentric circle shape or an elliptical shape, but is not limited thereto.
- the load 1004 is for heating the contents in the cooking appliance 1000b-2.
- the load 1004 operates as a heater, where the shape of the heater may vary, and the material of the sheath (eg, iron, stainless, copper, aluminum, Incoloy, Incotel, etc.) may also vary.
- the heater-type cooking device 1000b-2 of FIG. 4E is also referred to as a power-receiving-type cooking device.
- the power-receiving cooking device 1000b-2 is a heating cooking device that drives a heater adjacent to the receiving coil 1003. It may be a cooking device such as a coffee dripper that drives a heater with a considerable distance (eg, 15 cm) from the receiving coil 1003, or a cooking device such as a blender that drives a motor through the receiving coil 1003.
- the power receiving type cooking appliance 1000b-2 may include a battery, and in this case, the battery receives power wirelessly and is charged through the receiving coil 1003.
- the cooking appliance 1000b-2 may further include a resonance capacitor between the receiving coil 1003 and the load 1004. At this time, the resonance value may be set differently according to the amount of power required by the load 1004 .
- the cooking appliance 1000b-2 further includes a switch unit (eg, a relay switch or a semiconductor switch) (not shown) for turning on/off the operation of the load 1004. may also include
- the receiving coil 1003 and the pickup coil 1001 may wirelessly receive energy from the transmitting coil of the station 2000 through wireless power transmission technology.
- Wireless power transmission technology is a technology that converts electrical energy into electromagnetic waves and transfers the energy to a load wirelessly without a transmission line.
- wireless power transmission technology may include a magnetic induction method.
- the magnetic induction method is a technology in which most of the magnetic field generated from the current flowing in the primary coil passes through the secondary coil and induced current flows through the secondary coil to supply energy to the load.
- the pickup coil 1001 when the station 2000 continuously or intermittently applies power through a transmission coil, the pickup coil 1001 generates power of about 10 W and the receiving coil 1003 can receive and drive power of about 1000 W. there is.
- the receiving coil 1003 is a 'high power coil' and the pickup coil 1001 is a 'low power coil'.
- FIG. 6 is a circuit diagram of a cooking appliance using multiple power sources according to an embodiment of the present disclosure.
- a home appliance using multiple power sources may be the cooking appliance 1000 .
- the cooking appliance 1000 includes a pickup coil 1001 that wirelessly receives power from the transmission coil of the station 2000, a rectifier 1500 that rectifies alternating current of the pickup coil 1001 into direct current, and smooths the output of the rectifier 1500.
- the cooking appliance 1000 is a control power supply unit that receives the output of the rectifier 1500 and supplies voltage to the second capacitor 1170 having a higher capacity than the first capacitor 1270 in order to stabilize and establish the power of the control unit 1100. (1150).
- the power supply unit 1250 of the communication unit and the power supply unit 1150 of the control unit may be configured with any one of a regulator, an analog relay circuit, or a buck converter that is a step-down converter. Since the power supply unit 1250 of the communication unit only needs to drive the communication unit 1200, it is sufficient to have a supply capability capable of supplying only a low power of several tens of milliwatts. According to an embodiment, when the controller 1100 drives the processor 1110 of the controller 1100, power of 0.5W to 200W may be required according to design specifications. When the cooking appliance 1000 drives the control unit 1100 and the output interface 1300 together, hundreds of W of power will be required.
- the communication unit 1200 When power is received wirelessly from the pickup coil 1001, the received power is rectified through the rectifier 1500, and the first capacitor 1270, which is a relatively low-capacity capacitor, is charged faster than the second capacitor 1170. Since this can be completed, the communication unit 1200 achieves power stabilization within a faster time than the control unit 1100 - about 100 ms. When power stabilization is achieved, the communication unit 1200 transmits predetermined data to the station 2000 - identification information of the cooking appliance 1000 as a home appliance, a welcome message when the cooking appliance 1000 is turned on, and state information of the cooking appliance 1000. At least one - can be transmitted.
- the control unit 1100 is activated at a relatively late time compared to the communication unit 1200 because power is stabilized as the charging of the second capacitor 1170 having a relatively larger capacity than the first capacitor 1270 is completed.
- the controller 1100 performs overall control of the cooking appliance 1000 through the processor 1110 .
- FIG. 7 is a circuit diagram of a cooking appliance using multiple power sources according to an embodiment of the present disclosure.
- the cooking appliance 1000 using multiple power sources of FIG. 7 further includes a first switch (SW1, 1600) connecting the first capacitor 1270 and the second capacitor 1170. can do.
- the cooking appliance 1000 using multiple power sources according to FIG. 7 operates as in FIG. 6 .
- the power established by the second capacitor 1170 is shared by the communication unit 1200 and the control unit 1100 through the first switch 1600 and together can be used
- the first switch 1600 may be a diode 1601 or a transistor 1603, but is not limited thereto, and any electrical device that can be used as a switch - for example, an FET (Field Effect Transistor), IGBT (Insulated Gate Bipolar Transistor), etc. - may also be used as the first switch 1600 .
- FET Field Effect Transistor
- IGBT Insulated Gate Bipolar Transistor
- the positive (+) pole of the second capacitor 1170 is the anode of the diode 1610
- the positive (+) pole of the first capacitor 1270 is the diode 1601 are respectively connected to the cathodes.
- the power of the second capacitor 1170 can be shared by the communication unit 1200 and the control unit 1100 through the first switch 1600 .
- the positive (+) pole of the second capacitor 1170 is the collector of the transistor 1603, and the positive (+) pole of the first capacitor 1270 is the transistor ( 1603) are respectively connected to the emitters.
- the power of the second capacitor 1170 may be shared between the communication unit 1200 and the control unit 1100 through the transistor 1603 serving as the first switch 1600 .
- the control unit 1100 is configured to allow the cooking appliance 1000 to wirelessly receive power through the pickup coil 1001 so that power of the control unit 1100 is stabilized through the second capacitor 1170. After a predetermined amount of time including time has elapsed, the transistor 1603 is turned on so that the control unit 1100 can share power with the communication unit 1200 .
- the predetermined time may be a time when the second capacitor 1170 is completely charged or a time when the second capacitor 1170 is charged by a predetermined amount.
- FIG. 8A is a circuit diagram of a cooking appliance using multiple power sources according to an embodiment of the present disclosure.
- the cooking appliance 1000 using multiple power sources according to FIG. 8A includes a communicator switch (SW2, 1620) between the rectifier 1500 (or rectifier capacitor 1510) and the communicator power supply 1250. may optionally be included.
- SW2, 1620 communicator switch
- the control unit 1100 turns on the transistor 1603 as a predetermined time elapses and the control unit 1100 shares power with the communication unit 1200, the communication unit connected between the rectification unit 1500 and the first capacitor 1270 By turning off the switch 1620, the communication unit 1200 no longer receives power from the rectifier 1500 but receives power through the second capacitor 1170. In this case, since the power supply unit 1250 of the communication unit does not have to operate anymore, power consumed by the power supply unit 1250 of the communication unit can be saved.
- the control unit 1100 operates the rectifying unit 1500 or the rectifying unit capacitor 1510 and the communication unit power unit 1250 according to the charge amount of the second capacitor 1170 - ultimately the first capacitor 1270 - It is possible to control the opening/closing (on/off) of the communication unit switch 1620 connecting the . That is, when the amount of charge in the second capacitor 1170 falls below a predetermined threshold value determined to be inappropriate for supplying power to both the communication unit 1200 and the control unit 1100, the controller 1100 By turning on the switch 1620 of the communication unit, the power supply unit 1250 of the communication unit can receive power directly from the rectification unit 1500 . According to an embodiment, the control unit 1100 may concurrently control turning off the switch of the transistor 1603 .
- the control unit 1100 supplies power to the communication unit 1200 and the control unit 1100 by the amount of charge of the second capacitor 1170.
- the controller 1100 may be connected to the battery when it falls below a predetermined threshold value that is determined to be inappropriate for processing.
- the communication unit switch 1620 may be composed of a transistor, but is not limited thereto, and any electrical device that can be used as a switch - for example, FET (Field Effect Transistor), IGBT (Insulated Gate Bipolar Transistor) ), etc. - can also be used as the communication unit switch 1620.
- FET Field Effect Transistor
- IGBT Insulated Gate Bipolar Transistor
- the output interface 1300 of the cooking appliance 1000 according to FIG. 8A may also receive power through the second capacitor 1170 together with the control unit 1100 .
- the capacitance capacity of the second capacitor 1170 needs to have a larger capacitance than when power is supplied only to the control unit 1100 .
- 8B is a circuit diagram of a cooking appliance using multiple power sources according to an embodiment of the present disclosure.
- a first diode 1601 is connected between the second capacitor 1170 and the first capacitor 1270, and the rectifier 1500 ) (or the rectifying unit capacitor 1510) and the communication unit power supply unit 1250, the communication unit switch (SW2, 1620) is connected.
- the communication unit 1200 shares and uses the stabilized power of the control unit 1100 as power of the communication unit 1200 .
- the control unit 1100 turns off the communication unit switch 1620 connected between the rectification unit 1500 and the first capacitor 1270 based on the power establishment of the control unit 1100 so that the communication unit 1200 is no longer a rectification unit ( It is possible to receive power through the second capacitor 1170 without receiving power supply from 1500 . In this case, since the power supply unit 1250 of the communication unit does not have to operate any longer, power consumed by the power supply unit 1250 of the communication unit can be saved.
- the control unit 1100 operates the rectifying unit 1500 or the rectifying unit capacitor 1510 and the communication unit power unit 1250 according to the charge amount of the second capacitor 1170 - ultimately the first capacitor 1270 - It is possible to control the opening/closing (on/off) of the communication unit switch 1620 connecting the .
- the control unit 1100 switches the communication unit By turning on 1620, the power supply unit 1250 of the communication unit can receive power directly from the rectification unit 1500.
- the output interface 1300 of the cooking appliance 1000 according to FIG. 8B may receive power through the second capacitor 1170 along with the control unit 1100 .
- the capacitance capacity of the second capacitor 1170 needs to have a larger capacitance than when power is supplied only to the control unit 1100 .
- FIG. 9 is a circuit diagram of a cooking appliance using multiple power sources according to an embodiment of the present disclosure.
- the cooking appliance 1000 may include a controller switch SW3 or 1630 between the rectifier 1500 (or rectifier capacitor 1510) and the controller power supply 1150.
- control switch 1630 is maintained in an off state until the power of the communication unit 1200 is stabilized, so that the power generated from the pickup coil 1001 can be fully used for stabilizing the power of the communication unit 1200. there is.
- control switch 1630 When the power of the communication unit 1200 quickly stabilizes, the control switch 1630 is turned on to activate the control unit 1100 based on the activation of the communication unit 1200 (power stabilization).
- the processor 1210 of the communication unit 1200 may control opening and closing of the controller switch 1630 before the controller 1100 is activated.
- the controller switch 1630 may be configured of a transistor, but is not limited thereto, and any electrical device that can be used as a switch - for example, a field effect transistor (FET) or an insulated IGBT (IGBT) Gate Bipolar Transistor) can also be used as the controller switch 1630.
- FET field effect transistor
- IGBT insulated IGBT
- GBT Gate Bipolar Transistor
- FIG. 10 is a circuit diagram of a cooking appliance 1000 using multiple power sources according to an embodiment of the present disclosure.
- the output interface 1300 can use the power supplied to the controller 1100 together. there is.
- the output interface 1300 can drive the display unit 1310, the sound output unit 1320, and/or the vibration motor 1330 through power supplied from the second capacitor 1170 shared with the control unit 1100.
- output interface switches SW4 and 1640 may be provided between the second capacitor 1170 and the output interface 1300 to sequentially stabilize the output interface 1300 after power stabilization of the control unit 1100. there is.
- the processor 1110 of the controller 1100 may turn on the output interface switch 1640 by using the power stabilization of the controller 1100 as a switch control event.
- the output interface switch 1640 When the output interface switch 1640 is turned on, power through the second capacitor 1170 may be supplied to the output interface 1300 .
- the cooking appliance 1000 may seek power stabilization of the controller 1100 and the output interface 1300 at the same time through the second capacitor 1170 without the output interface switch 1640 .
- FIG. 11 is a circuit diagram of a cooking appliance using 3-multiple power sources according to an embodiment of the present disclosure.
- the cooking appliance 1000 includes a pickup coil 1001 that wirelessly receives power from a transmission coil of a station 2000, and a rectifier 1500 that rectifies alternating current of the pickup coil 1001 into direct current. ), a rectifier capacitor (not shown) for stabilizing the output of the rectifier 1500, a first capacitor 1270 that is a small-capacity capacitor for quickly stabilizing the communication unit 1200, and a first capacitor 1270 from the rectifier 1500 It consists of a communication unit power supply unit 1250 for supplying reduced voltage.
- the cooking appliance 1000 receives the output of the rectifying unit 1500 and supplies a voltage to the second capacitor 1170 having a larger capacity than the first capacitor 1270 to stabilize the power of the control unit 1100 .
- the cooking appliance 1000 may include an output interface power supply unit 1350 that receives the output of the rectifier 1500 and supplies voltage to the third capacitor 1370 to stabilize the power supplied to the output interface 1300. there is.
- the third capacitor 1370 may have a larger capacity than the second capacitor 1170 .
- the communication unit power supply unit 1250, the control unit power unit 1150, and the output interface power supply unit 1350 are configured to supply the output of the rectifier 1500 to the first capacitor 1270, the second capacitor 1170, and the third capacitor 1370, respectively. It can be composed of any one of a regulator, an analog relay circuit, or a step-down converter (buck converter). Since the power supply unit 1250 of the communication unit only needs to drive the communication unit 1200, it is sufficient to have a supply capability capable of supplying only a low power of several tens of milliwatts. According to an embodiment, the control unit 1100 may require power of approximately 0.5W to 200W, although it varies according to design specifications. According to one embodiment, the output interface 1300 may consume hundreds of W and may require more power than the control unit 1100 .
- the communication unit 1200 When power is received wirelessly from the pick-up coil 1001 of the cooking appliance 1000, the received power is rectified through the rectifier 1500, and the low-capacity first capacitor 1270 is charged with the second capacitor 1170. It is completed quickly compared to the third capacitor 1370. Accordingly, power stabilization is achieved in the communication unit 1200 within a faster time than the control unit 1100 and the output interface 1300 - about 100 ms. Along with power stabilization, the communication unit 1200 transmits predetermined data to the station 2000 - at least one of identification information of the cooking appliance 1000, a welcome message when the cooking appliance 1000 is turned on, and status information of the cooking appliance 1000. - can be transmitted.
- the charging of the second capacitor 1170 having a relatively larger capacity than the first capacitor 1270 is completed, and the power of the control unit 1100 is stabilized. Accordingly, the power of the controller 1100 is stabilized relatively later than that of the communication unit 1200 but earlier than that of the output interface 1300 .
- the control unit 1100 may perform overall control of the cooking appliance 1000 through the processor 1110 .
- the power for the output interface 1300 is stabilized, so that the output interface 1300 has a higher capacity than the control unit 1100. ) is stabilized at a relatively late time.
- the cooking appliance 1000 provides visual output, auditory output and/or output through the display 1310, the sound output unit 1320, and/or the vibration motor 1330 of the output interface 1300. Alternatively, a tactile output may be performed.
- the size of the capacitance of each capacitor may be related to the stabilization time of the power supply.
- FIG. 12 is a circuit diagram of a cooking appliance using 3-multiple power sources according to an embodiment of the present disclosure.
- the fifth switch 1650 may be a diode 1651 or a transistor 1653, but is not limited thereto, and any electrical device that can be used as a switch - for example, an FET (Field Effect Transistor), IGBT (Insulated Gate Bipolar Transistor), etc. - can also be used as the fifth switch 1650.
- FET Field Effect Transistor
- IGBT Insulated Gate Bipolar Transistor
- the control unit 1100 when the power of the control unit 1100 is established through the first switch 1600 connecting the second capacitor 1170 and the first capacitor 1270, the second capacitor 1170 The communication unit 1200 can share and use the power established in .
- the power supply of the output interface 1300 is stabilized by the third capacitor 1370, only one of the fifth switch 1650 and the first switch 1600 is turned on by the control unit 1100. It can be.
- FIG. 13 is a circuit diagram of a cooking appliance using 3-multiple power sources according to an embodiment of the present disclosure.
- the sixth switch 1660 may be a diode 1661 or a transistor 1663, but is not limited thereto, and any electrical device that can be used as a switch - for example, an FET (Field Effect Transistor), IGBT (Insulated Gate Bipolar Transistor), etc. - can also be used as the sixth switch 1660.
- FET Field Effect Transistor
- IGBT Insulated Gate Bipolar Transistor
- the control unit 1100 may control in the order in which the sixth switch 1660 is turned on after power stabilization of the output interface 1300 and then the first switch 1600 is turned on.
- the controller 1100 may control the first switch 1600 to be turned on at the same time as the sixth switch 1660 is turned on after the power supply of the output interface 1300 is stabilized. At this time, the switch control may be performed by the processor 1110 of the control unit 1100.
- power is stabilized in the order of the communication unit 1200 - the controller 1100 - the output interface 1300, so when the power of the controller 1100 is stabilized, the controller 1100 turns on the first switch 1600. Then, when the power of the output interface 1300 is stabilized, the sixth switch 1660 may be controlled to turn on.
- the first switch 1600 and the sixth switch 1660 are turned on, power is supplied to the communication unit 1200, the control unit 1100, and the output interface 1300 according to FIG. 13 only with the third capacitor 1370 having the largest capacity. When this is done, power consumed in the power supply unit 1250 of the communication unit and the power supply unit 1150 of the control unit can be saved.
- FIG. 14 is a circuit diagram of a cooking appliance using 3-multiple power sources according to an embodiment of the present disclosure.
- the cooking appliance 1000 using multiple power sources includes a communication unit switch 1620 in front of the communication unit power supply unit 1250, a control unit switch 1630 in front of the control unit power supply unit 1150, and /
- the seventh switches SW7 and 1670 may be selectively provided at the front end of the output interface power supply unit 1350 .
- the cooking appliance 1000 turns off the controller switch 1630 and the seventh switch 1670 and turns on only the communication unit switch 1620 to speed up power stabilization of the communication unit 1200. Stabilize only the power supply of (1200). Based on the stabilization of the power of the communication unit 1200, the home appliance 1000 then turns on the controller switch 1630 to stabilize the power of the controller 1100. Next, based on the stabilized power of the controller 1100, the home appliance 1000 may turn on the seventh switch 1670 to stabilize the power of the output interface 1300.
- the first switch 1600 connecting the second capacitor 1170 and the first capacitor 1270, the third capacitor 1370 and the second capacitor 1170
- the controller 1100 may control the switches in the order of turning on the sixth switch 1660 -> turning on the first switch 1600.
- the switches may be controlled by the control unit 1100 so that the first switch 1600 is turned on simultaneously with the turn-on of the sixth switch 1660 after power stabilization of the output interface 1300 .
- the communication unit switch 1620 when the first switch 1600 is turned on, the communication unit switch 1620 is turned off so that the connection between the communication unit power unit 1250 and the rectifier 1500 may be disconnected.
- the control unit 1100 may turn off the control switch 1630 to disconnect the connection between the control unit power unit 1150 and the rectifier 1500 .
- the control unit 1100 turns off the communication unit switch 1620 and the control unit switch 1630, so that the third capacitor 1370, the sixth switch 1660, And by connecting the first switch 1600, power can be supplied to all of the communication unit 1200, the control unit 1100, and the output interface 1300, which are main components of the cooking appliance 1000.
- 15 is a circuit diagram of a cooking appliance using multiple power sources according to an embodiment of the present disclosure.
- the cooking appliance 1000 using multiple power sources includes a communication unit switch 1620 in front of the communication unit power supply unit 1250, a control unit switch 1630 in front of the control unit power supply unit 1150, and A seventh switch (SW7, 1670) may be selectively included at the front end of the output interface power supply unit 1350, respectively.
- the first capacitor 1270 and the second capacitor 1170 are connected to the first diode (D1, 1601), and the third capacitor 1370 and the second capacitor 1170 are connected to the sixth diode (D6, 1661). connected to
- the cooking appliance 1000 turns off the controller switch 1630 and the seventh switch 1670 and turns on only the communication unit switch 1620 to speed up power stabilization of the communication unit 1200.
- the power of the communication unit 1200 is stabilized.
- the cooking appliance 1000 of the communication unit 1200 turns on the controller switch 1630 to stabilize the power of the controller 1100.
- the cooking appliance 1000 may turn on the seventh switch 1670 to stabilize the power of the output interface 1300.
- the power of the control unit (output interface 1300) is established through the first diode 1601 connecting the second capacitor 1170 and the first capacitor 1270.
- the power established in the second capacitor 1170 can be shared and used by not only the control unit 1100 but also the communication unit 1200.
- the second capacitor 1170 and the first capacitor 1270 are diodes. Therefore, after the power of the control unit 1110 is stabilized, the cooking appliance 1000 turns off the communication unit switch 1620 to stop driving the communication unit power unit 1250, thereby preventing power consumption by the communication unit power supply unit 1250. , The communication unit 1200 can be driven using only the power provided by the second capacitor 1170.
- the control unit 1100 and the communication unit 1200 supply power by the third capacitor 1370 through the sixth diode 1661 and the first diode 1601. can be shared and used.
- the cooking appliance 1000 may turn off the communication unit switch 1620 to disconnect the communication unit power unit 1250 and the rectifier 1500 connection.
- the cooking appliance 1000 may disconnect the connection between the control unit power unit 1150 and the rectifier 1500 by turning off the control switch 1630 .
- the cooking appliance 1000 turns off the communication unit switch 1620 and the control unit switch 1630, thereby generating the third capacitor 1370 and the sixth diode 1661 without power consumption in the communication unit power unit 1250 and the control unit power unit 1150.
- the first diode 1601 may be connected to supply power to the entire communication unit 1200, the control unit 1100, and the output interface 1300, which are main components of the cooking appliance 1000.
- 16 is a circuit diagram of a cooking appliance using multiple power sources according to an embodiment of the present disclosure.
- the communication unit 1200, the controller 1100, and the output interface 1300 are illustratively used as components of the cooking appliance 1000 according to FIGS. 6 to 15, but this is only an example.
- the cooking appliance 1000 using multiple power sources according to the present disclosure prioritizes power stabilization of a component that requires power stabilization first while using the least power capacity, and requires a large power capacity and delays time compared to other components. Even if power stabilization is performed with , it can be used for applications that stabilize power later on components that are not greatly affected by operation. Therefore, since the communication unit 1200, the control unit 1100, and the output interface 1300 are only used for one embodiment, the communication unit 1200 includes the first component 1100_1 having the smallest power capacity as shown in FIG. 16, The controller 1100 may be replaced with a second component 1100_2 having a higher power capacity than the first component 1100_1.
- an Nth component 1100_N is shown as a component having the largest power capacity and stabilizing power last. Similar to the previous embodiment, the order of magnitude of the capacitance is C 1 ⁇ C 2 ⁇ ... C N-1 ⁇ C N .
- the first component 1100_1 when the power of the second component 1100_2, which is a component with a relatively large power capacity compared to the first component 1100_1, is stabilized, the first component 1100_1 is converted into the second component (1100_1) by SW_1 (1600_1).
- the power of C2 (1170_2), which is the power supply source of 1100_2), can be shared and used.
- SW_N-1 (1600_N-1) is turned on, and power can also be supplied to the N-1-th component 1100_N-1.
- all of SW_1 (1600_1) to SW_N-1 (1600_N-1) are turned on, and the first component (1100_1 to N-th component 1100_1) Power can also be supplied to 1 component (1100_N-1).
- the cooking appliance 1000 may turn on only a few switches from SW_N-1 (1600_N-1) according to the capacitance capacity of C N (1170_N) after the Nth component (1100_N) is stabilized. can decide whether That is, if the capacitance capacity of C N (1170_N) is the capacity capable of supplying power only to the Nth component (1100_N) and the N ⁇ 1th component (1100_N-1), the cooking appliance 1000 is SW_N-1 (1600_N-1) ) can be turned on and the remaining SW_1 (1600_1) to SW_N-2 (1600_N-2) can be turned off.
- the power capacity used by each component can be calculated by sensing the voltage across the capacitor supplying power to each component and the current input to each component.
- opening/closing control of each switch is performed by a processor or microcontroller included in a component for which power is established.
- the opening and closing of each switch can be controlled by the processor 1110 of the controller 1100 of the cooking appliance 1000, and if power stabilization of the controller 1100 is not achieved, the communication unit 1200
- the processor 1210 may control, but is not limited thereto, and may be performed by a processor or controller included in a component for which power is established in the cooking appliance 1000 as needed.
- 17 is a flowchart illustrating a method of driving a cooking appliance 1000 using multiple power sources according to an embodiment of the present disclosure.
- the cooking appliance 1000 wirelessly receives power from the transmitting coil of the station 2000 through the pickup coil 1001.
- Flow of an induced current in the pickup coil 1001 by a magnetic field generated by the transmission coil of the station 2000 can be expressed as the pickup coil 1001 receiving wireless power from the transmission coil.
- the pickup coil 1001 may have a concentric circle shape or an elliptical shape, but is not limited thereto.
- step S1703 the rectifying unit 1500 of the cooking appliance 1000 rectifies the power wirelessly received from the pickup coil 1001.
- the rectifier 1500 may use a single-phase diode rectifier.
- the cooking appliance 1000 charges the first capacitor 1270 with the rectified power from the rectifying unit 1500 to activate the communication unit 1200.
- the communication unit 1200 stores predetermined data communicated with the station 2000 in the communication unit memory 1220 (eg, identification information of the cooking appliance 1000 as the cooking appliance 1000, welcome message when the cooking appliance 1000 is first turned on). , status information, etc.) can be stored.
- the identification information of the cooking appliance 1000 is unique information for identifying the cooking appliance 1000, such as a Mac address, a model name of the cooking appliance 1000, and device type information (eg, IH type or heater type). , manufacturer information (eg, Manufacture ID), a serial number, and at least one of the year and month of manufacture (or the date of manufacture).
- the communication unit 1200 can transmit predetermined data to the station 2000 and display it through the display unit 2510 of the station 2000.
- step S1707 the cooking appliance 1000 charges the second capacitor 1170 with the rectified power from the rectifying unit 1500 to activate the controller 1100.
- the capacitance of the second capacitor 1170 is greater than that of the first capacitor 1270.
- the method according to an embodiment of the present disclosure may be implemented in the form of program instructions that can be executed through various computer means and recorded in a computer readable medium.
- Computer readable media may include program instructions, data files, data structures, etc. alone or in combination. Program commands recorded on the medium may be specially designed and configured for the present disclosure, or may be known and usable to those skilled in computer software.
- Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks and magnetic tapes, optical media such as CD-ROMs and DVDs, and magnetic media such as floptical disks.
- - includes hardware devices specially configured to store and execute program instructions, such as magneto-optical media, and ROM, RAM, flash memory, and the like.
- Examples of program instructions include high-level language codes that can be executed by a computer using an interpreter, as well as machine language codes such as those produced by a compiler.
- Computer readable media can be any available media that can be accessed by a computer and includes both volatile and nonvolatile media, removable and non-removable media. Also, computer readable media may include both computer storage media and communication media. Computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data. Communication media typically includes computer readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave, or other transport mechanism, and includes any information delivery media. In addition, some embodiments of the present disclosure may be implemented as a computer program or computer program product including instructions executable by a computer, such as a computer program executed by a computer.
- the device-readable storage medium may be provided in the form of a non-transitory storage medium.
- 'non-temporary storage medium' only means that it is a tangible device and does not contain signals (e.g., electromagnetic waves), and this term refers to the case where data is stored semi-permanently in the storage medium and temporary It does not discriminate if it is saved as .
- a 'non-temporary storage medium' may include a buffer in which data is temporarily stored.
- the method according to various embodiments disclosed in this document may be provided by being included in a computer program product.
- Computer program products may be traded between sellers and buyers as commodities.
- a computer program product is distributed in the form of a device-readable storage medium (eg compact disc read only memory (CD-ROM)), or through an application store or between two user devices (eg smartphones). It can be distributed (e.g., downloaded or uploaded) directly or online.
- a computer program product eg, a downloadable app
- a device-readable storage medium such as a memory of a manufacturer's server, an application store server, or a relay server. It can be temporarily stored or created temporarily.
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Abstract
Description
Claims (15)
- 활성화 된 후에 조리 기기의 동작을 제어하도록 구성된 제어부;활성화 된 후에 무선 전력 전송 장치에 데이터를 전송하도록 구성된 통신부;상기 무선 전력 전송 장치의 송신 코일로부터 무선으로 전력을 수신하는 픽업 코일;상기 픽업 코일에서 수신한 전력에 대응되는 교류 전류를 직류 전류로 정류하는 정류부;상기 통신부를 상기 제어부 활성화 이전에 활성화 하기 위해 상기 정류부로부터 정류된 직류 전류를 충전하는 제 1 커패시터; 및상기 제 1 커패시터보다 더 큰 커패시턴스를 가지면서, 상기 제어부를 활성화하기 위해 상기 정류부로부터 정류된 직류 전류를 충전하는 제 2 커패시터를 포함하되,상기 제어부 활성화 전 상기 통신부가 활성화되는 것에 기초하여 상기 통신부가 소정의 데이터를 상기 무선 전력 전송 장치에게 전송하는, 조리기기.
- 제 1 항에 있어서,상기 제 1 커패시터와 상기 제 2 커패시터를 연결하는 제 1 스위치를 더 포함하는 조리기기.
- 제 2 항에 있어서,상기 제 1 스위치는 트랜지스터이고,상기 제 2 커패시터의 양(+)극이 상기 트랜지스터의 컬랙터에 연결되고, 상기 제 1 커패시터의 양(+)극이 상기 트랜지스터의 이미터에 연결되는, 조리기기.
- 제 3 항에 있어서, 상기 제어부는 상기 픽업 코일을 통해 무선으로 전력을 수신한 후 소정의 시간 경과 후 상기 트랜지스터를 턴 온하는, 조리기기.
- 제 4 항에 있어서,상기 소정의 시간은 상기 제 2 커패시터에 충전이 완료되는 시간인 것을 특징으로 하는 조리기기.
- 제 4 항 또는 제 5 항에 있어서, 상기 제어부는 상기 소정의 시간 경과 후 상기 정류부와 상기 제 1 커패시터 간 연결된 스위치를 오프하는, 조리기기.
- 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,상기 제어부는 상기 제 2 커패시터의 충전량에 따라 상기 정류부와 상기 제 1 커패시터를 연결하는 스위치의 온오프를 제어하는, 조리기기.
- 제 1 항 내지 제 7 항 중 어느 한 항에 있어서, 상기 통신부는,상기 제 1 커패시터의 충전량이 소정의 값 이상이 되면 상기 통신부가 활성화되는 것에 기초하여, 상기 소정의 데이터를 상기 무선 전력 전송 장치에 전송하는, 조리기기.
- 제 8 항에 있어서,상기 소정의 데이터는 상기 조리기기의 식별정보, 조리기기 온 시 웰컴 메시지, 및 상기 조리기기의 상태정보 중 적어도 하나를 포함하되,상기 조리기기의 식별정보는 상기 조리기기의 맥 어드레스(Mac address), 모델명, 타입 정보, 제조사 정보, 시리얼 넘버, 및 제조년월 중 적어도 하나를 포함하는, 조리기기.
- 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,상기 정류부와 상기 제 2 커패시터를 연결하는 스위치는 상기 통신부 활성화가 완료될 때까지 턴 오프되는, 조리기기.
- 제 1 항 내지 제 10 항 중 어느 한 항에 있어서,상기 정류부와 상기 제 2 커패시터를 연결하는 스위치는 상기 통신부 활성화가 완료되는 것에 기초하여 턴 온되는, 조리기기.
- 제 1 항 내지 제 11 항 중 어느 한 항에 있어서,정보를 표시하는 출력 인터페이스; 및상기 출력 인터페이스를 활성화하기 위해 상기 정류부로부터 전력을 충전하는 제 3 커패시터를 더 포함하되, 상기 제 3 커패시터의 커패시턴스는 상기 제 2 커패시터의 커패시턴스보다 큰 것을 특징으로 하는 조리기기.
- 제 12 항에 있어서,상기 제 2 커패시터와 상기 제 3 커패시터를 연결하는 제 2 스위치를 더 포함하는 조리기기.
- 제 13 항에 있어서,상기 제 1 스위치는 상기 제어부가 활성화됨에 따라 턴 온되고,상기 제 2 스위치는 상기 출력 인터페이스가 활성화됨에 따라 턴 온되는, 조리기기.
- 제 13 항 또는 14 항에 있어서,상기 제 1 커패시터와 상기 정류부를 연결하는 스위치는, 상기 제 1 스위치를 턴 온하는 것에 기초하여 턴 오프되고,상기 제 2 커패시터와 상기 정류부를 연결하는 스위치는, 상기 제 2 스위치를 턴 온하는 것에 기초하여 턴 오프되고,상기 제 3 커패시터 양단 전압이 소정의 값 이하이면 상기 제 2 커패시터와 상기 정류부를 연결하는 스위치가 온되고,상기 제 2 커패시터의 양단 전압이 소정의 값 이하이면 상기 제 1 커패시터와 상기 정류부를 연결하는 스위치가 온되는, 조리기기.
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| EP22899067.7A EP4344020B1 (en) | 2021-11-29 | 2022-11-24 | Cooking appliance having multi-power structure |
| US18/113,824 US20230209663A1 (en) | 2021-11-29 | 2023-02-24 | Cooking device having multi-power structure |
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| KR1020210167729A KR20230080215A (ko) | 2021-11-29 | 2021-11-29 | 다중 전원 구조를 갖는 조리기기 |
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| EP (1) | EP4344020B1 (ko) |
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| LU103413B1 (de) * | 2024-10-15 | 2026-04-15 | Miele & Cie | Mobilgerät und Verfahren zum Betreiben eines Mobilgeräts |
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| Publication number | Publication date |
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| EP4344020A4 (en) | 2024-10-23 |
| KR20230080215A (ko) | 2023-06-07 |
| EP4344020B1 (en) | 2025-08-06 |
| EP4344020A1 (en) | 2024-03-27 |
| US20230209663A1 (en) | 2023-06-29 |
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