US20090104573A1 - Gas burner system - Google Patents

Gas burner system Download PDF

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Publication number
US20090104573A1
US20090104573A1 US12/152,190 US15219008A US2009104573A1 US 20090104573 A1 US20090104573 A1 US 20090104573A1 US 15219008 A US15219008 A US 15219008A US 2009104573 A1 US2009104573 A1 US 2009104573A1
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Prior art keywords
gas
gas burner
supplementary
microprocessor
control device
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Abandoned
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US12/152,190
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English (en)
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Wen Chou Chen
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Individual
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Individual
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/126—Arrangement or mounting of control or safety devices on ranges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/10—Arrangement or mounting of ignition devices
    • F24C3/103—Arrangement or mounting of ignition devices of electric ignition devices

Definitions

  • the present invention relates to a gas burner device and more particularly, to a gas burner system which facilitates operation and flame control.
  • a piezoelectric igniter for ignition.
  • a piezoelectric igniter generates an electric potential in response to applied mechanical stress for causing discharge of sparks for burning a fuel mixture.
  • a piezoelectric igniter is driven to achieve ignition manually by means of rotating a cock
  • the operation of a gas burner apparatus using a piezoelectric igniter is inconvenient to operate.
  • fuel gas control and regulation procedure performs the major part.
  • the aforesaid cock provides a fuel gas flow rate regulating function.
  • the cock must be rotated by hand, it is difficult to achieve the desired throttle effect accurately. This problem is insignificant to the application of a gas range in cooking foods.
  • the level of attainment (flame and time control) is quite important when using a barbecue stove or grill to roast meat
  • the control of the level of attainment is subject to accurate flowrate control. Inaccurate flowrate control results in unstable control of the level of attainment, and the quality of each roasted foods will be different.
  • the present invention has been accomplished under the circumstances in view.
  • the gas burner system comprises a power supply device, at least one gas burner, at least one gas valve for closing/opening the fuel gas passage of each gas burner, at least one control device equal to the number of the at least one gas burner each having an operating device for giving a command signal, a microprocessor, which receives the command signal from the operating device and runs subject to the received command signal and then outputs a corresponding control signal, a gas control device, which drives the at least one gas valve subject to the control signal received from the microprocessor, at least one ignition induction electrode corresponding to the at least one gas burner in number and respectively located on the at least one gas burner at one side, and at least one igniter and inductor combination device for providing a high voltage current to the at least one ignition induction electrode, subject to the control signal received from the microprocessor, to cause the at least one ignition induction electrode to discharge sparks for burning the discharged fuel mixture so that the at least one igniter and inductor combination device stops from providing the high voltage current when received a
  • the gas burner system comprises a power supply device, a plurality of gas burners, a plurality of gas valves each controlling the fuel gas passage of one associating gas burner, a control device having an operating device for giving a command signal, a microprocessor, which receives the command signal from the operating device and runs subject to the received command signal and then outputs a corresponding control signal a gas control device, which drives the at least one gas valve subject the control signal received from the microprocessor, a plurality of supplementary control devices corresponding to the number of the gas burners, each supplementary control device comprising a supplementary operating device for giving a command signal and a supplementary microprocessor for receiving and executing the command signal from the supplementary control device and providing a corresponding control signal to the microprocessor and a valve control device for driving the gas valves subject to the control signal received from the supplementary microprocessor, a plurality of ignition and induction electrodes corresponding to the gas burners in number and respectively located on the gas burners at one
  • FIG. 1 is a system block diagram of a gas burner system in accordance with a first embodiment of the present invention.
  • FIG. 1A is a circuit diagram of the gas burner system shown in FIG 1 .
  • FIG. 1B is a system block diagram similar to FIG. 1 , showing the igniter and inductor combination device incorporated into the control device.
  • FIG. 2 is a system block diagram of a gas burner system in accordance with a second embodiment of the present invention.
  • FIG. 3 is a system block diagram of a gas burner system in accordance with a third embodiment of the present invention.
  • FIG. 4 is a system block diagram of a gas burner system in accordance wit a fourth embodiment of the present invention.
  • FIG. 5 is a system block diagram of a gas burner system in accordance with a fifth embodiment of the present invention.
  • FIG. 6 is a system block diagram of a gas burner system in accordance with a sixth embodiment of the present invention.
  • FIG. 7 is a system block diagram of a gas burner system in accordance with a seventh embodiment of the present invention.
  • FIG. 7A is a system block diagram similar to the embodiment shown in FIG. 7 , showing an igniter and inductor combination device incorporated in a control module.
  • FIG. 8 is a system block diagram of a gas burner system in accordance with an eighth embodiment of the present invention.
  • FIG. 9 is a system block diagram of a gas burner system in accordance with a ninth embodiment of the present invention.
  • FIG. 9A is a system block diagram similar to FIG. 9 , showing a modified form.
  • FIG. 10 is an elevational view of a gas valve according to the present invention.
  • FIG. 11 is an axial sectional view of the gas valve shown in FIG. 10 when closed.
  • FIG. 12 is an axial sectional view of the gas valve shown in FIG. 10 when opened.
  • FIG. 13 is similar to FIG. 10 , showing an alternate form of the gas valve.
  • FIG. 14 is an axial sectional view of the gas burner shown in FIG. 13 when closed.
  • a gas burner system 10 in accordance with a first embodiment of the present invention comprising:
  • a power supply device 12 which provides the gas burner system 10 with the necessary working voltage
  • a burner 14 which enables a fuel gas to be fully mixed with air for combustion
  • a gas valve 16 which controls the passage (the fuel gas passage) through which a fuel gas is supplied to the burner 14 ;
  • an operating device 18 which is one of the main input devices of the gas burner system 10 for the inputting of an external command, comprising a power switch PB 1 adapted for switching on/off power supply, a flame switch PB 2 adapted for heating mode control, a temperature-setting switch PB 3 adapted for setting constant temperature mode control, a timer shutdown switch PB 4 adapted for shutting down the system at the set time, an upward adjustment switch PB 5 and a downward adjustment switch PB 6 adapted for adjusting the flame, temperature and tie upwards/downwards respectively, and a lamp switch PB 7 adapted for switching on/off a light source 44 ;
  • a microprocessor 20 adapted to receive a command from the operating device 18 and to run subject to the received command
  • the remote control device 22 can be a RF (radio frequency) or IR (infrared) remote control device, comprising a transmitter 22 a for transmitting a data code and a receiver 22 b for receiving and decoding the data code from the transmitter 22 a and sending the decoded data to the microprocessor 20 .
  • RF radio frequency
  • IR infrared
  • the gas burner system 10 is operable ugh the wired operating device. 18 or the wireless remote control device 22 .
  • the gas burner system 10 can be configured to provide only one input device, i.e., the wired operating device 18 or wireless remote control device 22 .
  • a touch control device (not shown) may be used to substitute for the aforesaid operating device 18 .
  • the touch control device comprises a touch control IC, and a touch panel adapted for receiving input signal from a touch tip (finger or plastic pen nib) to substitute for a mechanical keypad. Therefore, in the present invention, the definition of the operating device includes a remote control device and a touch control device, and should not limited to the operating device 18 shown in the drawings.
  • the gas burner system 10 further comprises:
  • valve control device 24 which receives an inputted control signal from the microprocessor to switch the gas valve 16 , thereby closing/opening the fuel gas passage;
  • a display device 26 which is controlled by the microprocessor 20 to display data including flame, temperature, timer shutdown time and fuel level.
  • the display device 26 can be a LCD or LED display device When a LCD display device is sued, the display device 26 can be modularized with the aforesaid touch control device, forming a touch panel.
  • the aforesaid operating device 18 , microprocessor 20 , remote control device 22 , valve control device 24 and display device 26 constitute a main control device 28 of the gas burner system 10 .
  • the gas burner system 10 further comprises:
  • an ignition induction electrode 30 which is disposed at one side of the gas valve 14 for sparks discharging and flame induction, and may be substituted by an ignition electrode and an induction electrode that are adapted for sparks discharging and flame induction respectively;
  • the microprocessor 20 When the microprocessor 20 received an “On” command signal from the power switch PB 1 , it adds a control signal to the valve control device 24 and the igniter 32 , causing the valve control device 24 to open the gas valve 16 for enabling a fuel gas to be discharged to the gas burner 14 and simultaneously causing the igniter 32 to provide a high voltage current to the ignition induction electrode 30 for causing the ignition induction electrode 30 to discharge sparks so that the fuel mixture of the fuel gas that is discharged from the gas burner 14 and mixed with air is burned to produce a flame.
  • the ignition induction electrode 30 feeds back the detected flame signal to the igniter and inductor combination device 32 , causing the igniter and inductor combination device 3 to stop from discharging power (igniting).
  • the flame signal is inputted into the microprocessor 20 through the igniter and inductor combination device 32 .
  • the microprocessor 20 drives the igniter and inductor combination device 32 to keep discharging a high voltage for several seconds, and then cuts off the circuit from the valve control device 24 to switch off the gas valve 16 and to stop the supply of the fuel gas when receives no flame signal, returning to a standby mode.
  • This type of igniter and inductor combination device 32 is commonly used in the gas burner of a conventional water heater. With respect to the technical content, please refer to Taiwan Utility Model No. 143956.
  • the gas burner system 10 further comprises:
  • a temperature sensor 34 which can be a thermoresistor or any suitable temperature sensing device installed in the gas burner system 10 at a location where the temperature is to be detected, and adapted to detect the surrounding temperature and to add the detected temperature signal to the microprocessor 20 so that the microprocessor 20 can control the operation of the valve control device 24 in driving the gas valve 16 to regulate the fuel gas flowrate subject to the temperature data received from the temperature sensor 34 , achieving temperature control;
  • a fuel gas indicator 36 which comprises a pressure switch 42 electrically connected with the microprocessor 20 and, which is electrically inducted to output a control signal to the microprocessor 20 when the fuel gas pressure dropped below a predetermined low level, causing a fuel low sign or the word of fuel low to be displayed on the display device 26 ;
  • a lighting device 38 which comprises a light source 44 adapted for providing illumination at night.
  • the lighting device 38 is controlled by the microprocessor 20 to switch on/off the light source 44 subject to the signal from the lamp switch PB 7 .
  • the light source 44 can be a lamp tube or lamp bulb.
  • the aforesaid gas valve 16 comprises a valve housing 50 , a first electromagnetic valve 70 a and a second 20 electromagnetic valve 10 b .
  • the valve housing 50 has a fuel gas passage 52 , and a first mounting hole 54 and a second mounting hole 56 respectively disposed in communication with the fuel gas passage 52 .
  • the fuel gas passage 52 has an inlet 58 and an outlet 60 arranged on the same central axis 66 .
  • An inlet connector 62 and an outlet connector 64 are respectively formed on the inlet 58 and the outlet 60 for the connection of a respective fuel gas tube (not shown) by means of, for example, a screw joint.
  • the fuel gas tube that is installed in the inlet connector 62 is connected to a fuel gas source (not shown).
  • the fuel gas tube that is installed in the outlet connector 64 is connected to the gas burner 14 .
  • the first electromagnetic valve 70 and the second electromagnetic valve 70 b are respectively installed in the first mounting hole 54 and the second mounting hole 56 , and respectively controlled to close/open the fuel gas passage 52 .
  • the first electromagnetic valve 70 a and the second electromagnetic valve 70 b are same in structure.
  • the diameter of the gas outlet 72 a of the first electromagnetic valve 70 a can be smaller or greater than the gas outlet 72 b of the second electromagnetic valve 70 b , or alternatively, as shown in FIG.
  • a first bushing 74 a and a second bushing 74 b are respectively mounted in the gas outlet 72 a of the first electromagnetic valve 70 a and the gas outlet 72 b of the second electromagnetic valve 70 b and the diameter of the hole 76 b of the second bushing 74 b is greater than the diameter of the hole 76 a of the first bushing 74 a .
  • valve block 78 a of the first electromagnetic valve 70 a is opened, only a small amount of fuel gas is allowed to flow through the gas inlet 80 a into the fuel gas passage 82 a , and then to flow out of the hole 76 a of the first bushing 74 a to the outside of the fuel gas passage 52 via the outlet 60 for further combustion.
  • valve block 78 b of the second electromagnetic valve 70 b is opened, a medium amount of fuel gas is allowed to flow through gas inlet 80 b into the fuel gas passage 82 b , and then to flow out of the hole 76 b of the second bushing 74 b to the outside of the fuel gas passage 52 via the outlet 60 for further combustion.
  • the valve block 78 a of the first electromagnetic valve 70 a and the valve block 78 b of the second electromagnetic valve 70 b are simultaneously opened (see FIG. 12 ), a big amount of fuel gas is allowed to flow into the fuel gas passage 82 a through the gas inlets 80 a and 80 b , and then to flow out of the holes 76 a and 76 b to the outside of the fuel gas passage 52 via the outlet 60 for further combustion.
  • the related switches (buttons) of the operating device 18 By means of operating the related switches (buttons) of the operating device 18 , the flame of the gas burner system 10 is adjusted.
  • the flame is adjustable in three steps.
  • the fuel gas passage 52 is not limited to one outlet 60 . It can be made having a plurality of outlets 60 .
  • the diameter of the hole 76 b of the second bushing 74 b can be made smaller than the diameter of the hole 76 a of the first bushing 74 a.
  • FIGS. 13 and 14 are similar to FIGS. 10 and 11 , showing an alternate form of gas valve.
  • the gas valve 16 c of this embodiment is substantially similar to the aforesaid gas valve 16 with the exception that the inlet connector 62 a and outlet connector 64 a at two sides of the valve housing 50 a of the gas valve 16 c have different designs and, the inlet 58 a and outlet 60 a are arranged at right angles.
  • the other component parts of the gas valve 16 c shown in FIGS. 13 and 14 are same as the corresponding component parts of the gas valve 16 shown in FIGS. 10 and 11 , and therefore like parts are indicated by like reference signs. Further the above description regarding to the gas valve 16 shown in FIGS. 10 and 11 is applicable to the gas valve 16 c shown in FIGS. 13 and 14 .
  • the combination of the gas burner 14 and ignition induction electrode 30 shown in FIG. 1 can be duplicated, forming a fuel gas system 10 a having multiple gas burners 14 (see FIG. 2 ), or the combination of the gas burner 14 , gas valve 16 and ignition induction electrode 30 shown in FIG. 1 can be duplicated, forming a fuel gas system 10 b having multiple gas burners 14 (see FIG. 3 ).
  • the heat energy produced is relatively increased.
  • the fuel gas passages of the multiple gas burners 14 are controlled by one, gas valve 16 .
  • one respective gas valve 16 controls the fuel gas passage of one respective gas burner 14 .
  • the gas burner system 10 c shown in FIG. 4 is a modification of the gas burner system 10 b shown in FIG. 3 such that every gas burner 14 has a respective supplementary operating device 18 c and supplementary display device 26 c .
  • the supplementary operating device 18 c has only a power switch and flame switches fur controlling the associating gas burner 14
  • the supplementary display device 26 c is for displaying the scale of the flame only. With respective to high-level functions such as time setting, temperature setting and lighting controls, they must be controlled through the control device 28 .
  • FIG. 5 illustrates a gas burner system 10 d having a side stove 40 .
  • the side stove 40 is comprised of a gas burner 14 a , a gas valve 16 a , a supplementary control device 28 a , an ignition induction electrode 30 a and an igniter and inductor combination device 32 a .
  • the supplementary control device 28 a comprises a supplementary operating as device 18 a , which comprises a power switch and flame switches, a supplementary microprocessor 20 a , which receives a command signal from the supplementary operating device 18 a and runs subject to the command signal received and then outputs a corresponding control signal, a valve control device 24 a , which receives the control signal from the supplementary microprocessor 20 a and drives the gas valve 16 a subject to the nature of the control signal received, and a supplementary display device 26 a , which is controlled by the supplementary microprocessor 20 a to display the flame status.
  • a supplementary operating as device 18 a which comprises a power switch and flame switches
  • a supplementary microprocessor 20 a which receives a command signal from the supplementary operating device 18 a and runs subject to the command signal received and then outputs a corresponding control signal
  • a valve control device 24 a which receives the control signal from the supplementary microprocessor 20 a and drives the gas valve 16 a
  • FIG. 6 shows a gas burner system 10 e made by simplifying the design shown in FIG. 1 .
  • This embodiment eliminates the remote control device 22 , temperature sensor 34 , gas level indicator 36 and lighting device 38 shown in FIG. 1 , and also eliminates the functions of temperature setting and time setting from the main control device 20 , and therefore this simple type gas burner system 10 e has flame adjustment and flame scale display functions to fit a different requirement.
  • the igniter and inductor combination device 32 and the control device 28 in the embodiments shown in FIGS. 1-5 are independent modules. Actually, the igniter and inductor combination device 32 can be incorporated into the main control device 28 . According to the embodiment shown in FIG. 1B , the igniter and inductor combination device 32 is incorporated into the main control device 28 c , forming a control module having an igniter and inductor combination device.
  • gas burner 14 gas valve 16 , control device 28 and ignition induction electrode 30 can be duplicated, providing a gas burner system 10 f having multiple gas burners 14 (see FIG. 7 ) that provides an enhanced heat energy.
  • FIG. 7A shows a gas burner system 10 F substantially similar to the embodiment, shown in FIG. 7 .
  • each control device 28 d comprises an igniter and inductor combination device 32 d , forming a control module having an igniter and inductor combination device.
  • FIG. 8 is a system block diagram of still another alternate form of the present invention.
  • the gas burner system 10 g has all the technical characteristics of the gas burner system 10 shown in FIG. 1 , and comprises further two gas burners 14 d , two gas valves 16 b , two ignition induction electrodes 30 b and two supplementary control devices 28 b .
  • This embodiment further comprises a side stove 40 same as that shown in FIG. 5 .
  • each supplementary control device 28 b comprises a supplementary operating device 18 b , which has a power switch and flame switches, a supplementary microprocessor 20 b , which receives a command signal from the supplementary operating device 18 b and runs subject to the common signal received and then outputs a corresponding control signal, a valve control device 24 b , which receives the control signal from the supplementary microprocessor 20 b and drive the associated gas valve 16 b subject to the nature of the control signal received, and a supplementary display device 26 b , which is controlled by the supplementary microprocessor 20 b to display the flame status.
  • the igniter and inductor combination: device 32 can be incorporated in the control device 28 , and each supplementary control device 28 b can be made having an igniter and inductor combination device 32 and adapted for receiving a respective control signal from the microprocessor 20 and the supplementary microprocessor 20 b.
  • FIG. 9 shows a gas burner system 10 h in accordance with still another embodiment of the present invention.
  • This embodiment is substantially similar to the gas burner system 10 g shown in FIG. 8 with the exception that this embodiment omits one combination of gas burner 14 and gas valve 16 that is directly controlled by the control device 28 .
  • FIG. 9A shows a gas burner systerm 10 H modified from the embodiment shown in FIG. 9 .
  • This embodiment eliminates the igniter and conductor combination device 32 from the aforesaid gas burner system 10 h , however every supplementary control device 28 e has an igniter and conductor combination device 32 e for receiving the control signal from the associating supplementary microprocessor 20 b . Further, the igniter and conductor combination device 32 e of the side stove 40 shown in FIG. 9A is incorporated in the supplementary control device 28 f , forming a part of the supplementary control device 28 f.
  • a gas burner system made according to the present invention utilizes electronic control, and therefore the operation is easy and, the flame level can be controlled accurately.
  • the gas burner system has a display device for displaying the operation status, including temperature, flame scale, timer shutdown time and fuel gas level.
  • the gas burner system is provided with a remote control device so that a user can switch on/off the system, regulate the flame level, set the temperature and set the timer shutdown time at a distance.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Control Of Combustion (AREA)
  • Regulation And Control Of Combustion (AREA)
US12/152,190 2007-10-23 2008-05-12 Gas burner system Abandoned US20090104573A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
TW96217704 2007-10-23
TW096217704 2007-10-23
TW097202936U TWM340421U (en) 2007-10-23 2008-02-20 Combustion device
TW097202936 2008-02-20

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EP (1) EP2053314A3 (fr)
CA (1) CA2631789C (fr)
TW (1) TWM340421U (fr)

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US11754291B2 (en) 2020-09-28 2023-09-12 Midea Group Co., Ltd. Modulating oven burner control for gas cooking appliance
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EP2053314A2 (fr) 2009-04-29
CA2631789A1 (fr) 2009-04-23

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