EP3421896B1 - Unité intérieure de climatiseur - Google Patents

Unité intérieure de climatiseur Download PDF

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Publication number
EP3421896B1
EP3421896B1 EP16891422.4A EP16891422A EP3421896B1 EP 3421896 B1 EP3421896 B1 EP 3421896B1 EP 16891422 A EP16891422 A EP 16891422A EP 3421896 B1 EP3421896 B1 EP 3421896B1
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EP
European Patent Office
Prior art keywords
unit
optional device
actuator
communication
control
Prior art date
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Application number
EP16891422.4A
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German (de)
English (en)
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EP3421896A1 (fr
EP3421896A4 (fr
Inventor
Hirokazu Iijima
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication of EP3421896A4 publication Critical patent/EP3421896A4/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F24F11/66—Sleep mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks

Definitions

  • the present invention relates to an indoor unit of an air conditioner that can be connected to an optional device.
  • Patent Literature 1 discloses that the controller includes the operating state monitoring unit and the optional part connection determining unit, where standby power is reduced by lowering the output power from the power supply circuit when the operating state monitoring unit determines that all the actuators are stopped and on standby and the optional part connection determining unit determines, from the communication state with the optional part, that the optional part is not connected.
  • Patent Literature 1 Japanese Patent Application Laid-open No. 2007-162957
  • the indoor unit drives a CPU (Central Processing Unit) of a microcomputer even during standby in a similar manner to an operation mode in order to communicate with the optional device.
  • the indoor unit thus continues to consume a certain amount of power even during standby.
  • the present invention has been made in view of the above circumstances, and an object of the invention is to provide an indoor unit of an air conditioner that can reduce power consumption during standby.
  • the present invention provides an indoor unit of an air conditioner according to claim 1 or, alternatively, according to claim 3.
  • the indoor unit of an air conditioner according to the present invention has an advantageous effect of reducing power consumption during standby.
  • FIG. 1 is a block diagram illustrating an example of the configuration of an indoor unit 1 and an optional device 5 according to a first embodiment of the present invention.
  • the indoor unit 1 is an indoor unit of an air conditioner that constitutes the air conditioner together with an outdoor unit, a wireless remote controller, and the like, which are not shown in the figure.
  • the optional device 5 is a functional component that can selectively add a function to a standard air conditioner.
  • the indoor unit 1 includes an arithmetic unit 2.
  • the arithmetic unit 2 executes air conditioning control in a microcomputer controlling the operation of the indoor unit 1 and the like, and is a CPU, for example.
  • the arithmetic unit 2 includes an operation signal reception unit 10, an operation content determination unit 11, an actuator control unit 12, a communication unit 13, an optional device connection determination unit 14, and a standby power control unit 15.
  • the operation signal reception unit 10 receives an operation signal for an air conditioner, transmitted from an operating device such as a wireless remote controller.
  • the operation signal reception unit 10 outputs the received operation signal to the operation content determination unit 11.
  • the operation content determination unit 11 determines whether the operation signal received by the operation signal reception unit 10 is normal or abnormal.
  • the operation content determination unit 11 analyzes the content of the operation signal when determining that the operation signal is normal.
  • the operation content determination unit 11 outputs the content of the operation signal, that is a result of the analysis, to the actuator control unit 12.
  • the actuator control unit 12 controls the operation of actuators including a switch, a motor, a fan motor, and the like so as to execute air conditioning control such as starting or stopping of the operation of the air conditioner, control of the wind speed, or control of the wind direction.
  • the actuator control unit 12 notifies the standby power control unit 15 of the operating state of the actuators.
  • the communication unit 13 is a first communication unit that communicates with a communication unit 50 of the optional device 5.
  • the optional device connection determination unit 14 determines whether or not the optional device 5 is connected to the indoor unit 1 on the basis of a communication state between the communication unit 13 and the optional device 5.
  • the optional device connection determination unit 14 notifies the standby power control unit 15 of a result of the determination as to whether or not the optional device 5 is connected to the indoor unit 1.
  • the standby power control unit 15 switches processing for reduction of standby power of the arithmetic unit 2 in a standby mode that is a mode during which the operation of the indoor unit 1 is stopped, or during which the operations of the actuators are stopped.
  • the optional device 5 includes the communication unit 50.
  • the communication unit 50 communicates with the communication unit 13 of the indoor unit 1.
  • FIG. 2 is a flowchart illustrating processing of switching details of control for reducing power consumption during standby in the indoor unit 1 according to the first embodiment.
  • the operation signal reception unit 10 of the indoor unit 1 receives an operation signal to stop the operation from the operating device such as a wireless remote controller.
  • the operation content determination unit 11 determines that the operation signal is normal and analyzes the operation signal, and determines that the content of the operation signal indicates stoppage of the operation (step S1).
  • the optional device connection determination unit 14 determines whether or not the optional device 5 is connected to the indoor unit 1 on the basis of a communication state of the communication unit 13 (step S2).
  • the optional device connection determination unit 14 determines that the optional device 5 is connected to the indoor unit 1, at least, for example, in a case where communication has been carried out successfully between the communication unit 13 and the communication unit 50 of the optional device 5 at least once, in a case where communication has been carried out successfully between the communication unit 13 and the communication unit 50 of the optional device 5 in a given elapsed period of time, or in a case where a specific signal has been able to be successfully transmitted and received between the communication unit 13 and the communication unit 50 of the optional device 5.
  • the optional device connection determination unit 14 determines that the optional device 5 is not connected to the indoor unit 1 if the current condition does not correspond to any of the three cases mentioned above, for example.
  • the optional device connection determination unit 14 notifies the standby power control unit 15 of a result of the determination as to whether or not the optional device 5 is connected to the indoor unit 1.
  • the actuator control unit 12 performs control to stop the operations of all the actuators used for controlling the wind speed, the wind direction, and the like in order to stop the operation of the air conditioner on the basis of the content of the operation signal indicating stoppage of the operation (step S3) .
  • the actuator control unit 12 determines whether or not all the actuators are stopped (step S4). When there is an actuator that is not stopped (step S4: No), the actuator control unit 12 waits until all the actuators are stopped. This is because the actuators include not only a kind of actuator that stops the operation immediately by the operation stop control and but also another kind of actuator that takes a certain amount of time to stop the operation. The actuator control unit 12 notifies the standby power control unit 15 that an actuator in operation exists, as the operating state of the actuators.
  • step S4 Yes
  • the actuator control unit 12 notifies the standby power control unit 15 that all the actuators have been stopped, as the operating state of the actuators.
  • the standby power control unit 15 performs control to stop the operation of the arithmetic unit 2 in order to more significantly reduce power consumption during standby for the purpose of standby power consumption saving (step S5).
  • step S2 When the optional device connection determination unit 14 determines that the optional device 5 is connected to the indoor unit 1 (step S2: Yes), the actuator control unit 12 performs control to stop the operations of the actuators other than the optional device 5 in order to stop the operation of the air conditioner while continuing communication with the optional device 5, on the basis of the content of the operation signal indicating the stoppage of the operation (step S6).
  • the actuator control unit 12 determines whether or not the actuators except the communication with the optional device 5 have been stopped (step S7). When there is an actuator that has not been stopped (step S7: No), the actuator control unit 12 waits until the actuator has been stopped. The actuator control unit 12 notifies the standby power control unit 15 that the actuator in operation exists, as the operating state of the actuators.
  • step S7: Yes the actuator control unit 12 notifies the standby power control unit 15 that the actuators have been stopped except the communication with the optional device 5, as the operating state of the actuators.
  • the standby power control unit 15 performs control to decrease the processing speed of the arithmetic unit 2 to a state allowing the communication with the optional device 5, for the purpose of standby power consumption saving (step S8).
  • the standby power control unit 15 performs control such that the processing speed of the arithmetic unit 2 during standby is made to be lower than a processing speed during the operation.
  • the standby power control unit 15 switches details of control for the arithmetic unit 2 being in stoppage of operation on the basis of the result of the determination as to whether or not the optional device 5 is connected to the indoor unit 1 from the optional device connection determination unit 14 and the notification of the operating state of the actuators from the actuator control unit 12, so as to reduce power consumption of the arithmetic unit 2 during standby.
  • the arithmetic unit 2 including the operation signal reception unit 10, the operation content determination unit 11, the actuator control unit 12, the communication unit 13, the optional device connection determination unit 14, and the standby power control unit 15 is implemented by a processing circuit. That is, the indoor unit 1 has the processing circuit that receives the operation signal, analyzes the content of the operation signal, controls the actuators, communicates with the optional device 5, determines whether or not the optional device 5 is connected thereto, and switches processing for reduction of the standby power of the arithmetic unit 2 during standby and execute the processing.
  • the processing circuit corresponds to a CPU for executing a program stored in a memory and the memory.
  • FIG. 3 is a diagram illustrating an example of the case where the arithmetic unit 2 of the indoor unit 1 according to the first embodiment is implemented by the CPU and the memory.
  • the processing circuit is constructed of a CPU 91 and a memory 92, each function of the arithmetic unit 2 is implemented by software, firmware, or a combination of software and firmware.
  • the software or firmware is described as a program and stored in the memory 92.
  • the processing circuit implements the functions by the CPU 91 reading and executing the program stored in the memory 92.
  • the indoor unit 1 includes the memory 92 for storing therein programs that consequently enable execution of a step of receiving the operation signal, a step of analyzing the content of the operation signal, a step of controlling the actuators, a step of communicating with the optional device 5, a step of determining whether or not the optional device 5 is connected, and a step of switching the processing for reduction of the standby power of the arithmetic unit 2 during standby to execute the resultant processing, when the arithmetic unit 2 is implemented by the processing circuit.
  • these programs cause a computer to execute a procedure and a method involved in the indoor unit 1.
  • the CPU 91 may be a processing device, a microprocessor, a microcomputer, a processor, a digital signal processor (DSP), or the like.
  • the memory 92 corresponds to, for example, a non-volatile or volatile semiconductor memory such as a random access memory (RAM), a read only memory (ROM), a flash memory, an erasable programmable ROM (EPROM), or an electrically EPROM (EEPROM), a magnetic disk, a flexible disk, an optical disk, a compact disc, a mini disc, or a digital versatile disc (DVD), or the like.
  • RAM random access memory
  • ROM read only memory
  • EPROM erasable programmable ROM
  • EEPROM electrically EPROM
  • the processing circuit can thus implement the aforementioned functions by software, firmware, or a combination of them.
  • the indoor unit 1 automatically switches control to reduce power consumption of the arithmetic unit 2 during standby depending on whether or not the optional device 5 is connected thereto.
  • the indoor unit 1 stops the arithmetic unit 2, thereby making it possible to reduce power consumption of the arithmetic unit 2 relative to a case when the indoor unit 1 is in operation and a case when the processing speed of the arithmetic unit 2 is decreased.
  • the indoor unit 1 decreases the processing speed of the arithmetic unit 2, thereby making it possible to reduce power consumption of the arithmetic unit 2 relative to a case when the indoor unit 1 is in operation, although the power consumption of the arithmetic unit 2 cannot be lower than that when the arithmetic unit 2 is stopped.
  • An indoor unit of a second embodiment further performs control to reduce power consumption of an air conditioner depending on whether or not communication with an outdoor unit is cut off. Differences from the first embodiment will be described.
  • FIG. 4 is a block diagram illustrating an example of the configuration of an air conditioner 4 and the optional device 5 according to the second embodiment of the present invention.
  • the air conditioner 4 includes an indoor unit 1a and an outdoor unit 3.
  • the indoor unit 1a is an indoor unit of an air conditioner that constitutes the air conditioner 4 together with the outdoor unit 3, a wireless remote controller not shown in the figure, and the like.
  • the indoor unit 1a includes an arithmetic unit 2a.
  • the arithmetic unit 2a is an arithmetic unit that executes air conditioning control in a microcomputer controlling the operation of the indoor unit 1a and the like.
  • the arithmetic unit 2a is obtained by removing the operation content determination unit 11 and the standby power control unit 15 from the configuration of the arithmetic unit 2 and adding thereto an operation content determination unit 11a, a standby power control unit 15a, a communication unit 16, an outdoor unit connection determination unit 17, and an outdoor unit communication cutoff unit 18.
  • the operation content determination unit 11a performs processing similar to processing of the operation content determination unit 11 but outputs the content of an operation signal that is an analysis result to the outdoor unit communication cutoff unit 18 as well as to the actuator control unit 12.
  • the communication unit 16 is a second communication unit that communicates with a communication unit 30 of the outdoor unit 3.
  • the outdoor unit connection determination unit 17 determines whether or not the outdoor unit 3 is connected to the indoor unit 1a on the basis of a communication state between the communication unit 16 and the outdoor unit 3.
  • the outdoor unit communication cutoff unit 18 performs control to cut off communication with the outdoor unit 3 when the content of the operation signal indicates stoppage of operation.
  • the standby power control unit 15a switches processing for reduction of standby power of the arithmetic unit 2a in standby during which the operation of the indoor unit 1a is stopped and executes the processing, on the basis of operating states of the actuators from the actuator control unit 12, a result of the determination as to whether or not the optional device 5 is connected from the optional device connection determination unit 14, and a result of the determination as to whether or not communication with the outdoor unit 3 has been cut off from the outdoor unit communication cutoff unit 18.
  • the outdoor unit 3 includes the communication unit 30.
  • the communication unit 30 communicates with the communication unit 16 of the indoor unit 1a.
  • FIG. 5 is a flowchart illustrating processing of switching details of control for reducing power consumption during standby in the indoor unit 1a according to the second embodiment.
  • the processing in step S1 is similar to the processing of the first embodiment.
  • the outdoor unit communication cutoff unit 18 performs control to cut off communication with the outdoor unit 3 on the basis of the content of the operation signal indicating stoppage of operation from the operation content determination unit 11a.
  • the outdoor unit communication cutoff unit 18 determines whether or not the communication with the outdoor unit 3 has been cut off (step S11).
  • the outdoor unit communication cutoff unit 18 determines that the communication with the outdoor unit 3 has been cut off, for example, in the case where the communication unit 16 cannot receive a signal from the outdoor unit 3 successfully, the case where the communication unit 16 cannot receive a signal from the outdoor unit 3 successfully within a certain period of time, the case where the number of times the communication unit 16 has failed to receive a signal from the outdoor unit 3 successfully has reached a predetermined number of times or more, or the like case, based on a notification from the outdoor unit connection determination unit 17.
  • the outdoor unit communication cutoff unit 18 determines that the communication with the outdoor unit 3 has not been cut off when the present condition does not correspond to any of the above-mentioned three cases, for example.
  • the outdoor unit communication cutoff unit 18 notifies the standby power control unit 15a of a result of the determination as to whether or not the communication with the outdoor unit 3 has been cut off.
  • step S11 If the outdoor unit communication cutoff unit 18 determines that the communication with the outdoor unit 3 has been cut off (step S11: Yes), the optional device connection determination unit 14 determines whether or not the optional device 5 is connected to the indoor unit 1a on the basis of the communication state of the communication unit 13 (step S2).
  • step S2 The subsequent processing from step S2 to step S8 is similar to the processing of the first embodiment.
  • the actuator control unit 12 performs control to stop the operation of an actuator other than an actuator provided in the outdoor unit 3 on the basis of the content of the operation signal indicating the stoppage of the operation in spite of the presence or absence of connection with the optional device 5 in order to stop the operation of the air conditioner 4 although communication is being made between the communication unit 16 and the outdoor unit 3 (step S12).
  • the actuator other than the actuator provided in the outdoor unit 3 means an actuator provided in the indoor unit 1a, for example.
  • the standby power control unit 15a switches details of control for the arithmetic unit 2a that is in an operation stop mode in order to reduce power consumption of the arithmetic unit 2a during standby or reduce power consumption of the air conditioner 4 on the basis of the result of the determination as to whether or not the optional device 5 is connected to the indoor unit 1a from the optional device connection determination unit 14, the notification of the operating state of the actuators from the actuator control unit 12, and the result of the determination as to whether or not the communication with the outdoor unit 3 has been cut off from the outdoor unit communication cutoff unit 18.
  • the standby power control unit 15a In the indoor unit 1a, when the communication with the outdoor unit 3 has not been cut off, the standby power control unit 15a does not perform processing for reduction of power consumption for the arithmetic unit 2a, but the actuator control unit 12 performs control to stop the operation of the actuator other than the outdoor unit 3.
  • the standby power control unit 15a performs control similar to the control of the standby power control unit 15 of the first embodiment.
  • the indoor unit 1a of the second embodiment is also implemented by the hardware configuration similar to the hardware configuration of the indoor unit 1 of the first embodiment. Because of this, a detailed description about it will be omitted.
  • the indoor unit 1a automatically switches control to reduce power consumption of the arithmetic unit 2a during standby depending on whether or not the optional device 5 is connected thereto and whether or not the communication with the outdoor unit 3 has been cut off.
  • the indoor unit 1a stops the arithmetic unit 2a, thereby making it possible to reduce power consumption of the arithmetic unit 2a relative to a case when the indoor unit 1a is in an operation mode and a case when the processing speed of the arithmetic unit 2a is decreased.
  • the indoor unit 1a decreases the processing speed of the arithmetic unit 2a, thereby making it possible to reduce power consumption of the arithmetic unit 2a relative to a case when the indoor unit 1a is in an operation mode, although the power consumption of the arithmetic unit 2a cannot be made lower than that in a case when the arithmetic unit 2a is stopped.
  • the indoor unit 1a performs control to stop the operation although the communication with the outdoor unit 3 is alive, thereby making it possible to reduce power consumption of the air conditioner 4 relative to a case when the indoor unit 1a is in an operation mode.
  • An indoor unit of a third embodiment automatically switches control for reducing power consumption of an arithmetic unit during standby depending on a type of an optional device connected thereto. Differences from the first embodiment will be described.
  • FIG. 6 is a block diagram illustrating an example of the configuration of an indoor unit 1b and an optional device 5b according to the third embodiment of the present invention.
  • the indoor unit 1b is an indoor unit of an air conditioner, which constitutes the air conditioner together with an outdoor unit, a wireless remote controller, and the like, which are not shown in the figure.
  • the optional device 5b is a functional component that can be selectively added in function to a standard air conditioner.
  • the indoor unit 1b includes an arithmetic unit 2b.
  • the arithmetic unit 2b is an arithmetic unit that carries out air conditioning control in a microcomputer controlling the operation of the indoor unit 1b and the like.
  • the arithmetic unit 2b is obtained by removing the communication unit 13, the optional device connection determination unit 14, and the standby power control unit 15 from the configuration of the arithmetic unit 2 and adding thereto a communication unit 13b, an optional device type determination unit 19, and a standby power control unit 15b.
  • the communication unit 13b is a first communication unit that communicates with a communication unit 50b of the optional device 5b.
  • the communication unit 13b acquires information on the type of the optional device 5b by way of communicating with the communication unit 50b of the optional device 5b.
  • the optional device type determination unit 19 determines a type of the optional device 5b on the basis of the information on the type of the optional device 5b acquired by the communication unit 13b.
  • the standby power control unit 15b switches processing for reduction of standby power of the arithmetic unit 2b in standby that is an operation stop mode of the indoor unit 1b, or during which the operation of the actuator is stopped, and executes the processing.
  • the optional device 5b includes the communication unit 50b.
  • the communication unit 50b communicates with the communication unit 13b of the indoor unit 1b.
  • the communication unit 50b transmits the information on the type of the optional device 5b through communication with the communication unit 13b of the indoor unit 1b.
  • FIG. 7 is a flowchart illustrating processing of switching details of control for reduction of power consumption during standby in the indoor unit 1b according to the third embodiment.
  • the processing in step S1 is similar to the processing of the first embodiment.
  • the optional device type determination unit 19 determines a type of the optional device 5b on the basis of the information on the optional device 5b acquired from the communication unit 13b (step S21).
  • the optional device type determination unit 19 determines a type of the optional device 5b on the basis of the information that is embedded in a communication signal from the optional device 5b and indicates the type of the optional device 5b, for example, after the communication with the optional device 5b is performed successfully.
  • This example is based on the premise that type A and type B are used as a type of the optional device 5b, and that details of standby power control corresponding to the type A of the optional device 5b and details of standby power control corresponding to the type B of the optional device 5b are set in advance to the standby power control unit 15b.
  • the actuator control unit 12 performs control to stop the operations of the actuators other than the optional device 5b on the basis of the content of the operation signal indicating stoppage of the operation in order to stop the operation of the air conditioner although continuing communication with the optional device 5b (step S22).
  • the actuator control unit 12 determines whether or not the actuators are stopped except the communication with the optional device 5b (step S23). If there is an actuator that is not stopped (step S23: No), the actuator control unit 12 waits until the actuator is stopped. The actuator control unit 12 notifies the standby power control unit 15b that the actuator in operation exists, as the operating state of the actuators.
  • step S23: Yes the actuator control unit 12 notifies the standby power control unit 15b that the actuators are stopped except the communication with the optional device 5b, as the operating state of the actuators.
  • the standby power control unit 15b performs control to stop the operation of the arithmetic unit 2b in order to reduce power consumption during standby for the purpose of standby power consumption saving (step S24).
  • step S21 when the optional device type determination unit 19 determines that a type of the optional device 5b connected to the indoor unit 1b is the type B that is a second type (step S21: Type B), the actuator control unit 12 performs control to stop the operations of actuators other than the optional device 5b on the basis of the content of the operation signal indicating stoppage of the operation in order to stop the operation of the air conditioner although continuing communication with the optional device 5b (step S25).
  • This example is based on the premise that standby power control corresponding to the type B of the optional device 5b is set in advance to the standby power control unit 15b.
  • the actuator control unit 12 determines whether or not the actuators have been stopped except the communication with the optional device 5b (step S26). When there is an actuator that has not been stopped (step S26: No), the actuator control unit 12 waits until the actuator is stopped. The actuator control unit 12 notifies the standby power control unit 15b that the actuator being in an operation mode exists, as the operating state of the actuators.
  • step S26: Yes the actuator control unit 12 notifies the standby power control unit 15b of the operating state that the actuators have been stopped except the communication with the optional device 5b, as the operating state of the actuators.
  • the standby power control unit 15b performs control to decrease the processing speed of the arithmetic unit 2b to a state in which the communication with the optional device 5b can be made in order to reduce power consumption during standby (step S27). That is, the standby power control unit 15b performs control for making the processing speed of the arithmetic unit 2b during standby to be lower than a processing speed during the operation.
  • the standby power control unit 15b switches details of control for the arithmetic unit 2b that is stopped in operation on the basis of the result of the determination on the type of the optional device 5b connected to the indoor unit 1b from the optional device type determination unit 19 and the notification of the operating state of the actuators from the actuator control unit 12.
  • the indoor unit 1b of the third embodiment is also implemented by the hardware configuration similar to the hardware configuration of the indoor unit 1 of the first embodiment. Therefore, detailed description thereof will be omitted.
  • the indoor unit 1b automatically switches control for reduction of power consumption of the arithmetic unit 2b during standby depending on the type of the optional device 5b connected thereto.
  • the indoor unit 1b stops the arithmetic unit 2b, thereby making it possible to reduce power consumption of the arithmetic unit 2b relative to a case when the indoor unit 1b is in an operation mode and another case when the processing speed of the arithmetic unit 2b is decreased.
  • the indoor unit 1b decreases the processing speed of the arithmetic unit 2b, thereby making it possible to reduce power consumption of the arithmetic unit 2b relative to a case when the indoor unit 1b is in an operation mode, although the power consumption of the arithmetic unit 2b cannot be lower than that in a case when the arithmetic unit 2b is stopped.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Claims (4)

  1. Unité intérieure (1) d'un climatiseur comprenant une unité arithmétique (2) configurée de manière à exécuter une commande de climatisation, dans laquelle l'unité arithmétique (2) inclut :
    une unité de commande d'actionneur (12) configurée pour commander un fonctionnement d'un actionneur sur la base d'un contenu d'un signal de fonctionnement transmis à partir d'un dispositif fonctionnel ;
    une unité de communication (13) configurée pour communiquer avec un dispositif optionnel (5) ;
    une unité de détermination de connexion de dispositif optionnel (14) configurée pour déterminer si le dispositif optionnel (5) est connecté ou non à l'unité intérieure (1) d'un climatiseur; et
    une unité de commande de puissance en veille (15) configurée pour commuter un traitement pour la réduction d'une puissance en veille de l'unité arithmétique (2) en mode veille, pendant lequel le fonctionnement de l'actionneur est interrompu, sur la base d'un résultat de la détermination visant à déterminer si le dispositif optionnel (5) est connecté ou non, et à exécuter le traitement ; et
    dans laquelle l'unité de commande de puissance en veille (15) est en outre configurée pour mettre en œuvre :
    une commande visant à interrompre le fonctionnement de l'unité arithmétique (2) après l'interruption du fonctionnement de l'actionneur sous la commande de l'unité de commande d'actionneur (12), lorsque l'unité de détermination de connexion de dispositif optionnel (14) détermine que le dispositif optionnel (5) n'est pas connecté ; caractérisée en ce que :
    l'unité de commande de puissance en veille (15) est en outre configurée pour mettre en œuvre une commande visant à régler une vitesse de traitement de l'unité arithmétique (2) pendant le mode veille, de manière à ce qu'elle soit inférieure à une vitesse de traitement pendant le fonctionnement, après l'interruption du fonctionnement de l'actionneur sous la commande de l'unité de commande d'actionneur (12), lorsque l'unité de détermination de connexion de dispositif optionnel (14) détermine que le dispositif optionnel (5) est connecté.
  2. Unité intérieure (1a) d'un climatiseur selon la revendication 1, dans laquelle, lorsque l'unité de communication (3) est utilisée en tant qu'une première unité de communication,
    l'unité arithmétique (2a) inclut en outre :
    une seconde unité de communication configurée pour communiquer avec une unité extérieure ; et
    une unité de coupure de communication d'unité extérieure (18) configurée pour mettre en œuvre une commande visant à couper la communication avec l'unité extérieure (3) ;
    dans laquelle l'unité de commande d'actionneur (12) est configurée pour interrompre un fonctionnement d'un actionneur distinct d'un actionneur inclus dans l'unité extérieure (3), que le dispositif optionnel (5) soit connecté ou non, lorsque la communication avec l'unité extérieure (3) n'est pas coupée par l'unité de coupure de communication d'unité extérieure (18) ; et
    lorsque la communication avec l'unité extérieure (3) est coupée par l'unité de coupure de communication d'unité extérieure (18),
    l'unité de commande de puissance en veille (15a) est configurée pour mettre en œuvre :
    une commande visant à interrompre le fonctionnement de l'unité arithmétique (2a) après l'interruption du fonctionnement de l'actionneur sous la commande de l'unité de commande d'actionneur (12), lorsque l'unité de détermination de connexion de dispositif optionnel (14) détermine que le dispositif optionnel (5) n'est pas connecté ; et
    une commande visant à régler la vitesse de traitement de l'unité arithmétique (2a) pendant le mode veille, de manière à ce qu'elle soit inférieure à une vitesse de traitement pendant le fonctionnement, après l'interruption du fonctionnement de l'actionneur sous la commande de l'unité de commande d'actionneur (12), lorsque l'unité de détermination de connexion de dispositif optionnel (14) détermine que le dispositif optionnel (5) est connecté.
  3. Unité intérieure (1b) d'un climatiseur comprenant une unité arithmétique (2b) configurée pour exécuter une commande de climatiseur, dans laquelle l'unité arithmétique (2b) inclut :
    une unité de commande d'actionneur (12) configurée pour commander un fonctionnement d'un actionneur sur la base d'un contenu d'un signal de fonctionnement transmis à partir d'un dispositif fonctionnel ;
    une unité de communication (13b) configurée pour communiquer avec un dispositif optionnel (5b) ;
    une unité de commande de puissance en veille (15b) configurée pour commuter un traitement pour la réduction d'une puissance en veille de l'unité arithmétique (2b) en mode veille, pendant lequel le fonctionnement de l'actionneur est interrompu,
    caractérisée par une unité de détermination de type de dispositif optionnel (19) configurée pour déterminer un type du dispositif optionnel (5b) connecté à l'unité intérieure (1b) d'un climatiseur; et
    dans laquelle l'unité de commande de puissance en veille (15b) est configurée pour commuter un traitement pour la réduction d'une puissance en veille de l'unité arithmétique (2b) en mode veille, pendant lequel le fonctionnement de l'actionneur est interrompu, sur la base d'un résultat de la détermination du type du dispositif optionnel (5b).
  4. Unité intérieure (1b) d'un climatiseur selon la revendication 3, dans laquelle l'unité de commande de puissance en veille (15b) est configurée pour mettre en œuvre :
    une commande visant à interrompre le fonctionnement de l'unité arithmétique (2b) après l'interruption du fonctionnement de l'actionneur sous la commande de l'unité de commande d'actionneur (12), lorsque l'unité de détermination de type de dispositif optionnel (19) détermine qu'un dispositif optionnel (5b) d'un premier type est connecté ; et
    une commande visant à régler une vitesse de traitement de l'unité arithmétique (2b) pendant le mode veille, de manière à ce qu'elle soit inférieure à une vitesse de traitement pendant le fonctionnement, après l'interruption du fonctionnement de l'actionneur sous la commande de l'unité de commande d'actionneur (12), lorsque l'unité de détermination de type de dispositif optionnel (19) détermine qu'un dispositif optionnel (5b) d'un second type est connecté.
EP16891422.4A 2016-02-23 2016-02-23 Unité intérieure de climatiseur Active EP3421896B1 (fr)

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AU2016393930A1 (en) 2018-08-02
AU2016393930B2 (en) 2019-11-21

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