CN105674348A - Security device capable of preventing dry burning and flameout of domestic gas stove - Google Patents

Security device capable of preventing dry burning and flameout of domestic gas stove Download PDF

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Publication number
CN105674348A
CN105674348A CN201610212613.0A CN201610212613A CN105674348A CN 105674348 A CN105674348 A CN 105674348A CN 201610212613 A CN201610212613 A CN 201610212613A CN 105674348 A CN105674348 A CN 105674348A
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CN
China
Prior art keywords
circuit board
gas
push rod
electromagnetic valve
valve
Prior art date
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Pending
Application number
CN201610212613.0A
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Chinese (zh)
Inventor
蒋春飞
项伟峰
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Ningbo Aokai Combustion Gas Appliance Co ltd
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Ningbo Aokai Combustion Gas Appliance Co ltd
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Application filed by Ningbo Aokai Combustion Gas Appliance Co ltd filed Critical Ningbo Aokai Combustion Gas Appliance Co ltd
Priority to CN201610212613.0A priority Critical patent/CN105674348A/en
Publication of CN105674348A publication Critical patent/CN105674348A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00Stoves or ranges for gaseous fuels
    • F24C3/12Arrangement or mounting of control or safety devices
    • F24C3/126Arrangement or mounting of control or safety devices on ranges

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Combustion (AREA)

Abstract

The invention discloses a security device capable of preventing dry burning and flameout of a domestic gas stove. The security device comprises a cock, a solenoid valve, a circuit board, a temperature sensor, a thermocouple, an igniter and a power supply. The cock and the solenoid valve are connected onto a gas circuit of the gas stove in series, the cock is provided with a linkage switch A and a linkage switch B which are driven by a rotary push rod, the rotary push rod is also used for switching on the solenoid valve by pushing, the igniter works for ignition when the linkage switch A is on, and the circuit board is powered to work when the linkage switch B is closed. The thermocouple feeds back heat potential, and the temperature sensor feeds the temperature at the bottom of a pot to the circuit board; in the presence of heat potential, if the temperature at the bottom of the pot does not exceed a limit, the solenoid valve is opened via the circuit board, the gas circuit is smooth, and a burner works normally; and when accidental flameout is generated and heat potential disappears, or the temperature at the bottom of the pot exceeds the limit because of dry burning, the solenoid valve is closed via the circuit board, and the gas circuit is cut off. Therefore, the domestic gas stove can be free of hidden danger of disastrous consequences caused by dry burning and flameout.

Description

A kind of preventing dry fry for household gas kitchen range and flame-out safety protection device
Technical field
The present invention relates to the igniting of a kind of household gas range and safety guard, specifically refer to for household gas range, be provided with automatic ignition, meet dry combustion method or flame-out can a kind of preventing dry fry for household gas kitchen range of automatic self-closing gas pipeline and flame-out safety protection device.
Background technology
The household gas range of prior art is provided with anti-flame device, i.e. when excessive pot or high wind make burner automatically cut off combustion gas gas circuit time flame-out, it is prevented that gas leakage causes the poisoning device with gas explosion of combustion gas; In actual applications; the moisture often met in pot dryouies; there is cooked rice dry combustion method and the dry-fire condition of unmanned process again; dry combustion method can burn cooker and and then initiation fire; owing to the household gas range of prior art is without the anti-safety protection function dryouied; therefore, prior art existence lacks the problems and shortcomings prevented by dryouting the calamitous hidden danger of initiation.
Summary of the invention
For above-mentioned prior art Problems existing with not enough, the present invention adopt by plug valve, electromagnetic valve, circuit board, temperature sensor, thermocouple, lighter, electric power generating composition device, wherein, plug valve is provided with the A gang switch and B gang switch that are driven by rotation push rod, rotation push rod is provided with cam, rotation push rod drives A gang switch Guan Bi by touching, and rotation push rod rotarily drives B gang switch Guan Bi through cam; The valve core rod of electromagnetic valve contacts with described rotation push rod, i.e. the valve core rod of electromagnetic valve is only limited by rotation push rod and promotes and do not pulled by rotation push rod; Circuit board is provided with microprocessor; The outfan of lighter is called spark point; Gas Pipe is connected through plug valve and electromagnetic valve and is connected with gas-cooker; The positive pole of power supply is in parallel with one end of A gang switch and the normally opened electrode of B gang switch; The negative pole of power supply is in parallel with the earthing pole of the negative pole of circuit board, gas-cooker; The burner of gas-cooker is the negative pole of described spark point; The other end of the normally opened electrode of A gang switch is connected with lighter, the burner spacing of described spark point and gas-cooker for; The other end of normally opened electrode of B gang switch is connected with the positive pole of circuit board; The coil of electromagnetic valve is connected and controlled with the outfan of circuit board;Thermocouple is connected with the electromotive force input of circuit board; Temperature sensor is connected with the temperature input of circuit board; The temperature-sensitive head of temperature sensor upward and is placed in the center of described burner; Thermocouple is placed in the hungry ghosts who spit fire place closing on burner;
During work, pot is placed in the top of the burner of gas-cooker, and the temperature-sensitive head of temperature sensor touches the bottom surface of pot; Igniting, manual depression also rotates the knob of plug valve, and plug valve is opened, and meanwhile, described rotation push rod pushes down on A gang switch Guan Bi, and described cam rotation forces B gang switch closes, and rotation push rod pushes down on electromagnetic valve through the valve core rod of electromagnetic valve and opens; A gang switch closes, power supply power, make lighter send the electric spark of duration impulse between spark point and burner; B gang switch closes, and makes power turn-on circuit plate, and circuit board is started working; Plug valve, electromagnetic valve are opened, and make the combustion gas of Gas Pipe spray and by spark ignition from the burner of gas-cooker via plug valve, electromagnetic valve; The torch of burner combustion adds heat pipe-thermocouple and produces hot raw electromotive force, and the coil of electromagnetic valve, to circuit board, is provided maintenance electric current through microprocessor processes control circuit plate, keeps the opening of electromagnetic valve by the raw ELECTROMOTIVE FORCE FEEDBACK AND LOAD FEED of heat; Now, unclamp the knob of plug valve, described rotation push rod is upwards resetted by spring effect, described A gang switch disconnects therewith, and B gang switch is still remained closed by described cam effect, under the control of circuit board, combustion gas is unimpeded to the gas circuit of gas-cooker via plug valve, electromagnetic valve, burner burns away, and igniting is finished;
A, when meeting overflow pot or high wind and being flame-out, thermocouple cooling loses the raw electromotive force of heat, and microprocessor processes control circuit plate cut off the maintenance electric current to electromagnetic valve coil, closed electromagnetic valve, cut off the gas circuit of combustion gas, stop gas leakage;
B, when meet cooked rice dry combustion method, when cooking bottom temperature is more than 280 DEG C, temperature sensor feeds data back to circuit board, cut off the maintenance electric current to electromagnetic valve coil, closed electromagnetic valve through microprocessor processes control circuit plate, cut off the gas circuit of combustion gas, burner extinguishes, prevent the technical scheme that fire occurs, it is provided that a kind of preventing dry fry for household gas kitchen range and flame-out safety protection device, it is intended to make household gas range reach to prevent dry combustion method from can prevent again the flame-out purpose causing catastrophic effect hidden danger.
The object of the present invention is achieved like this: a kind of preventing dry fry for household gas kitchen range and flame-out safety protection device, including plug valve, electromagnetic valve, circuit board, temperature sensor, thermocouple, lighter and power supply, wherein: described plug valve is cock-type pipe valve, the bottom of plug valve is provided with the rotation push rod with valve spool and lengthening, described rotation push rod is provided with cam, described rotation push rod drives two A gang switches linked and B gang switch, wherein, rotation push rod drives A gang switch to close by touching, and rotation push rod rotates through cam and drives B gang switch to close; The miniature normally opened dynamic circuit connector electric switch of described A gang switch, B gang switch;
Described electromagnetic valve is the pipe valve of direct solenoid driven, described rotation push rod contacts linkage with the valve core rod of electromagnetic valve, namely, when described rotation push rod pushes down on, rotation push rod can promote through the valve core rod of electromagnetic valve and make the spool of electromagnetic valve open, when described rotation push rod upwards resets, the valve core rod of electromagnetic valve is action therewith not;
Described circuit board is the printed circuit board (PCB) being provided with microprocessor, execution circuit and buzzer;
Described temperature sensor, for being provided with rustless steel retractable guard, is called the electronic component of NTC negative tempperature coefficient thermistor;
Described thermocouple is the electronic component being heated and producing the raw electromotive force of thermoelectromotive force instant heating;
Described lighter is the high-voltage pulse generator that energising produces high voltage pulse output, and the outfan of lighter is called spark point;
Described power supply is device dry cell batteries in plastics electrolyte cell box;
Gas Pipe is connected through plug valve and electromagnetic valve and is connected with gas-cooker; The positive pole of power supply is in parallel with one end of A gang switch and the normally opened electrode of B gang switch; The negative pole of power supply is in parallel with the earthing pole of the negative pole of circuit board, gas-cooker; The burner of gas-cooker is the negative pole of described spark point; The other end of the normally opened electrode of A gang switch is connected with lighter, the burner spacing of described spark point and gas-cooker for; The other end of normally opened electrode of B gang switch is connected with the positive pole of circuit board; The coil of electromagnetic valve is connected and controlled with the outfan of circuit board; Thermocouple is connected with the electromotive force input of circuit board; Temperature sensor is connected with the temperature input of circuit board; The temperature-sensitive head of temperature sensor upward and is placed in the center of described burner; Thermocouple is placed in the hungry ghosts who spit fire place closing on burner.
Operation principle and beneficial effect
During work, pot is placed in the top of the burner of gas-cooker, and the temperature-sensitive head of temperature sensor touches the bottom surface of pot.
Igniting: manual depression also rotates the knob of plug valve, plug valve is opened, and meanwhile, described rotation push rod pushes down on A gang switch Guan Bi, described cam rotation forces B gang switch closes, and the spool that rotation push rod pushes down on electromagnetic valve through the valve core rod of electromagnetic valve is opened; A gang switch closes, power supply power, make lighter send the electric spark of duration impulse between spark point and burner; B gang switch closes, and makes power turn-on circuit plate, and circuit board is started working; Plug valve, electromagnetic valve are opened, and make the combustion gas of Gas Pipe spray and by spark ignition from the burner of gas-cooker via plug valve, electromagnetic valve; The torch of burner combustion adds heat pipe-thermocouple and produces hot raw electromotive force, and the coil of electromagnetic valve, to circuit board, is provided maintenance electric current through microprocessor processes control circuit plate, keeps the opening of electromagnetic valve by the raw ELECTROMOTIVE FORCE FEEDBACK AND LOAD FEED of heat; Now, unclamp the knob of plug valve, described rotation push rod is upwards resetted by spring effect, described A gang switch disconnects therewith, and B gang switch is still remained closed by described cam effect, under the control of circuit board, combustion gas is unimpeded to the gas circuit of gas-cooker via plug valve, electromagnetic valve, burner burns away, and igniting is finished.
Security work principle
A, when meeting overflow pot or high wind and being flame-out, thermocouple cooling loses the raw electromotive force of heat, the feedback of thermocouple is processed by microprocessor, and control circuit plate cuts off the maintenance electric current to electromagnetic valve coil, the spool of electromagnetic valve is closed, buzzer warning, and electromagnetic valve cuts off the gas circuit of combustion gas, combustion gas is stoped to leak without burning, it is prevented that gas leakage causes the poisoning generation with gas explosion disaster of combustion gas;
B, when meet cooked rice dry combustion method, when cooking bottom temperature is more than 280 DEG C, temperature sensor feeds data back to circuit board, the maintenance electric current to electromagnetic valve coil is cut off through microprocessor processes control circuit plate, the spool of electromagnetic valve is closed, buzzer warning, and electromagnetic valve cuts off the gas circuit of combustion gas, burner extinguishes, it is prevented that dry combustion method causes burning cooker and then the generation of initiation fire.
Rotation push rod linkage is adopted to promote electromagnetic valve to open during the igniting of this device, avoiding prior art relies on battery to provide big electric current opens solenoid valve, power consumption is big, sending a telegraph pond uses the phase short, need the drawback of frequent updating battery, after utilizing the armature contact of electromagnetic valve, the maintenance electric current of the coil of electromagnetic valve required maintenance armature sticking is little, the feature of power saving, extends the use phase of power supply;
This apparatus structure is simple, reliable operation, eliminates household gas range because of dry combustion method or the flame-out hidden danger causing catastrophic effect.
Above-mentioned, the present invention adopt by plug valve, electromagnetic valve, circuit board, temperature sensor, thermocouple, lighter, electric power generating composition device, wherein, plug valve is provided with the A gang switch and B gang switch that are driven by rotation push rod, rotation push rod is provided with cam, rotation push rod drives A gang switch Guan Bi by touching, and rotation push rod rotarily drives B gang switch Guan Bi through cam; The valve core rod of electromagnetic valve contacts with described rotation push rod, i.e. the valve core rod of electromagnetic valve is only limited by rotation push rod and promotes and do not pulled by rotation push rod; Circuit board is provided with microprocessor; The outfan of lighter is called spark point; Gas Pipe is connected through plug valve and electromagnetic valve and is connected with gas-cooker; The positive pole of power supply is in parallel with one end of A gang switch and the normally opened electrode of B gang switch; The negative pole of power supply is in parallel with the earthing pole of the negative pole of circuit board, gas-cooker; The burner of gas-cooker is the negative pole of described spark point; The other end of the normally opened electrode of A gang switch is connected with lighter, the burner spacing of described spark point and gas-cooker for; The other end of normally opened electrode of B gang switch is connected with the positive pole of circuit board; The coil of electromagnetic valve is connected and controlled with the outfan of circuit board; Thermocouple is connected with the electromotive force input of circuit board; Temperature sensor is connected with the temperature input of circuit board; The temperature-sensitive head of temperature sensor upward and is placed in the center of described burner; Thermocouple is placed in the hungry ghosts who spit fire place closing on burner;
During work, pot is placed in the top of the burner of gas-cooker, and the temperature-sensitive head of temperature sensor touches the bottom surface of pot; Igniting, manual depression also rotates the knob of plug valve, and plug valve is opened, and meanwhile, described rotation push rod pushes down on A gang switch Guan Bi, and described cam rotation forces B gang switch closes, and rotation push rod pushes down on electromagnetic valve through the valve core rod of electromagnetic valve and opens; A gang switch closes, power supply power, make lighter send the electric spark of duration impulse between spark point and burner; B gang switch closes, and makes power turn-on circuit plate, and circuit board is started working; Plug valve, electromagnetic valve are opened, and make the combustion gas of Gas Pipe spray and by spark ignition from the burner of gas-cooker via plug valve, electromagnetic valve; The torch of burner combustion adds heat pipe-thermocouple and produces hot raw electromotive force, and the coil of electromagnetic valve, to circuit board, is provided maintenance electric current through microprocessor processes control circuit plate, keeps the opening of electromagnetic valve by the raw ELECTROMOTIVE FORCE FEEDBACK AND LOAD FEED of heat; Now, unclamp the knob of plug valve, described rotation push rod is upwards resetted by spring effect, described A gang switch disconnects therewith, and B gang switch is still remained closed by described cam effect, under the control of circuit board, combustion gas is unimpeded to the gas circuit of gas-cooker via plug valve, electromagnetic valve, burner burns away, and igniting is finished;
A, when meeting overflow pot or high wind and being flame-out, thermocouple cooling loses the raw electromotive force of heat, and microprocessor processes control circuit plate cut off the maintenance electric current to electromagnetic valve coil, closed electromagnetic valve, cut off the gas circuit of combustion gas, stop gas leakage;
B, when meeting cooked rice dry combustion method, when cooking bottom temperature is more than 280 DEG C, temperature sensor feeds data back to circuit board, the maintenance electric current to electromagnetic valve coil is cut off through microprocessor processes control circuit plate, closed electromagnetic valve, cut off the gas circuit of combustion gas, burner extinguishes, prevent the technical scheme that fire occurs, overcome prior art existence and lack the problems and shortcomings prevented by dryouting initiation catastrophic effect hidden danger, a kind of preventing dry fry for household gas kitchen range provided and flame-out safety protection device, household gas range is made to have reached to prevent dry combustion method from can prevent again the flame-out purpose causing catastrophic effect hidden danger.
Accompanying drawing explanation
Fig. 1 is a kind of preventing dry fry for household gas kitchen range principle schematic with flame-out safety protection device of the present invention.
Below in conjunction with the embodiment in accompanying drawing, the present invention is described in further detail, but should not be construed as any limitation of the invention.
In figure: plug valve 1, rotation push rod 101, cam 102, A gang switch 11, B gang switch 12, electromagnetic valve 2, circuit board 3, temperature sensor 4, thermocouple 5, lighter 6, spark point 61, power supply 7, gas-cooker 01, pot 02, Gas Pipe 03.
Detailed description of the invention
Consult Fig. 1, a kind of preventing dry fry for household gas kitchen range of the present invention and flame-out safety protection device, including plug valve 1, electromagnetic valve 2, circuit board 3, temperature sensor 4, thermocouple 5, lighter 6 and power supply 7, wherein: described plug valve 1 is cock-type pipe valve, the bottom of plug valve 1 is provided with the rotation push rod 101 with valve spool and lengthening, described rotation push rod 101 is provided with cam 102, described rotation push rod 101 drives two A gang switches 11 linked and B gang switch 12, wherein, rotation push rod 101 drives A gang switch 11 to close by touching, rotation push rod 101 rotates through cam 102 and drives B gang switch 12 to close, the miniature normally opened dynamic circuit connector electric switch of described A gang switch 11, B gang switch 12,
Described electromagnetic valve 2 is the pipe valve of direct solenoid driven, described rotation push rod 101 contacts linkage with the valve core rod of electromagnetic valve 2, namely, when described rotation push rod 101 pushes down on, rotation push rod 101 can promote through the valve core rod of electromagnetic valve 2 and make the spool of electromagnetic valve 2 open, when described rotation push rod 101 upwards resets, the valve core rod of electromagnetic valve 2 is action therewith not;
Described circuit board 3 is the printed circuit board (PCB) being provided with microprocessor, execution circuit and buzzer;
Described temperature sensor 4, for being provided with rustless steel retractable guard, is called the electronic component of NTC negative tempperature coefficient thermistor;
Described thermocouple 5 is the electronic component being heated and producing the raw electromotive force of thermoelectromotive force instant heating;
Described lighter 6 is the high-voltage pulse generator that energising produces high voltage pulse output, and the outfan of lighter 6 is called spark point 61;
Described power supply 7 is device dry cell batteries in plastics electrolyte cell box;
Gas Pipe 03 is connected through plug valve 1 and electromagnetic valve 2 and is connected with gas-cooker 01; The positive pole of power supply 7 is in parallel with one end of A gang switch 11 and the normally opened electrode of B gang switch 12; The negative pole of power supply 7 is in parallel with the earthing pole of the negative pole of circuit board 3, gas-cooker 01; The burner of gas-cooker 01 is the negative pole of described spark point 61; The other end of the normally opened electrode of A gang switch 11 is connected with lighter 6, the burner spacing of described spark point 61 and gas-cooker 01 for; The other end of the normally opened electrode of B gang switch 12 is connected with the positive pole of circuit board 3; The coil of electromagnetic valve 2 is connected and controlled with the outfan of circuit board 3; Thermocouple 5 is connected with the electromotive force input of circuit board 3; Temperature sensor 4 is connected with the temperature input of circuit board 3; The temperature-sensitive head of temperature sensor 4 upward and is placed in the center of described burner; Thermocouple 5 is placed in the hungry ghosts who spit fire place closing on burner.
Operation principle and beneficial effect
During work, pot 02 is placed in the top of the burner of gas-cooker 01, and the temperature-sensitive head of temperature sensor 4 touches the bottom surface of pot 02.
Igniting: manual depression also rotates the knob of plug valve 1, plug valve 1 is opened, meanwhile, described rotation push rod 101 pushes down on A gang switch 11 and closes, described cam 102 rotation forces B gang switch 12 closes, and the spool that rotation push rod 101 pushes down on electromagnetic valve 2 through the valve core rod of electromagnetic valve 2 is opened;A gang switch 11 closes, power supply 7 power, and makes lighter 6 send the electric spark of duration impulse between spark point 61 and burner; B gang switch 12 closes, and makes power supply 7 connect circuit board 3, and circuit board 3 is started working; Plug valve 1, electromagnetic valve 2 are opened, and make the combustion gas of Gas Pipe 03 spray and by spark ignition from the burner of gas-cooker 01 via plug valve 1, electromagnetic valve 2; The torch of burner combustion adds heat pipe-thermocouple 5 and produces the raw electromotive force of heat, and the coil offer of electromagnetic valve 2, to circuit board 3, is maintained electric current through microprocessor processes control circuit plate 3, keeps the opening of electromagnetic valve 2 by the raw ELECTROMOTIVE FORCE FEEDBACK AND LOAD FEED of heat; Now, unclamp the knob of plug valve 1, described rotation push rod 101 is upwards resetted by spring effect, described A gang switch 11 disconnects therewith, and B gang switch 12 is acted on by described cam 102 and still remaining closed, under the control of circuit board 3, combustion gas is unimpeded via the gas circuit of plug valve 1, electromagnetic valve 2 to gas-cooker 01, burner burns away, and igniting is finished.
Security work principle
A, when meeting overflow pot or high wind and being flame-out, thermocouple 5 cooling loses the raw electromotive force of heat, the feedback of thermocouple 5 is processed by microprocessor, and control circuit plate 3 cuts off the maintenance electric current to electromagnetic valve 2 coil, the spool of electromagnetic valve 2 is closed, buzzer warning, and electromagnetic valve 2 cuts off the gas circuit of combustion gas, combustion gas is stoped to leak without burning, it is prevented that gas leakage causes the poisoning generation with gas explosion disaster of combustion gas;
B, when meet cooked rice dry combustion method, when pot 02 end temperature is more than 280 DEG C, temperature sensor 4 feeds data back to circuit board 3, the maintenance electric current to electromagnetic valve 2 coil is cut off through microprocessor processes control circuit plate 3, the spool of electromagnetic valve 2 is closed, buzzer warning, and electromagnetic valve 2 cuts off the gas circuit of combustion gas, burner extinguishes, it is prevented that dry combustion method causes burning cooker and then the generation of initiation fire.
Rotation push rod 101 linkage is adopted to promote electromagnetic valve 2 to open during the igniting of this device, avoiding prior art relies on battery to provide big electric current opens solenoid valve 2, power consumption is big, sending a telegraph pond uses the phase short, need the drawback of frequent updating battery, after utilizing the armature contact of electromagnetic valve 2, the maintenance electric current of the coil of electromagnetic valve 2 required maintenance armature sticking is little, the feature of power saving, extends the use phase of power supply 7;
This apparatus structure is simple, reliable operation, eliminates household gas range because of dry combustion method or the flame-out hidden danger causing catastrophic effect.

Claims (1)

1. a preventing dry fry for household gas kitchen range and flame-out safety protection device, including plug valve (1), electromagnetic valve (2), circuit board (3), temperature sensor (4), thermocouple (5), lighter (6) and power supply (7), it is characterized in that: described plug valve (1) is cock-type pipe valve, the bottom of plug valve (1) is provided with the rotation push rod (101) with valve spool and lengthening, described rotation push rod (101) is provided with cam (102), described rotation push rod (101) drives the A gang switch (11) and B gang switch (12) that have two to link, wherein, rotation push rod (101) drives A gang switch (11) Guan Bi by touching, rotation push rod (101) rotates through cam (102) and drives B gang switch (12) to close, described A gang switch (11), the miniature normally opened dynamic circuit connector electric switch of B gang switch (12),
The pipe valve that described electromagnetic valve (2) is direct solenoid driven, described rotation push rod (101) contacts linkage with the valve core rod of electromagnetic valve (2), namely, when described rotation push rod (101) pushes down on, rotation push rod (101) can promote through the valve core rod of electromagnetic valve (2) and make the spool of electromagnetic valve (2) open, when described rotation push rod (101) upwards resets, the not action therewith of the valve core rod of electromagnetic valve (2);
Described circuit board (3) is the printed circuit board (PCB) being provided with microprocessor, execution circuit and buzzer;
Described temperature sensor (4), for being provided with rustless steel retractable guard, is called the electronic component of NTC negative tempperature coefficient thermistor;
Described thermocouple (5) is the electronic component being heated and producing the raw electromotive force of thermoelectromotive force instant heating;
Described lighter (6) is the high-voltage pulse generator that energising produces high voltage pulse output, and the outfan of lighter (6) is called spark point (61);
Described power supply (7) is device dry cell batteries in plastics electrolyte cell box;
Gas Pipe (03) is connected through plug valve (1) and electromagnetic valve (2) and is connected with gas-cooker (01); The positive pole of power supply (7) is in parallel with one end of A gang switch (11) and the normally opened electrode of B gang switch (12); The negative pole of power supply (7) is in parallel with the earthing pole of the negative pole of circuit board (3), gas-cooker (01); The burner of gas-cooker (01) is the negative pole of described spark point (61); The other end of the normally opened electrode of A gang switch (11) is connected with lighter (6), the burner spacing of described spark point (61) and gas-cooker (01) for; The other end of the normally opened electrode of B gang switch (12) is connected with the positive pole of circuit board (3); The coil of electromagnetic valve (2) is connected and controlled with the outfan of circuit board (3); Thermocouple (5) is connected with the electromotive force input of circuit board (3); Temperature sensor (4) is connected with the temperature input of circuit board (3); The temperature-sensitive head of temperature sensor (4) upward and is placed in the center of described burner; Thermocouple (5) is placed in the hungry ghosts who spit fire place closing on burner.
CN201610212613.0A 2016-03-28 2016-03-28 Security device capable of preventing dry burning and flameout of domestic gas stove Pending CN105674348A (en)

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Application Number Priority Date Filing Date Title
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CN107218629A (en) * 2017-07-28 2017-09-29 青岛芯瑞智能控制有限公司 A kind of gas-cooker anti-dry control system
CN107975827A (en) * 2018-01-08 2018-05-01 熊喻 A kind of long-range program-controlled intelligent gas-cooker
CN108278640A (en) * 2018-01-28 2018-07-13 昆山富凌能源利用有限公司 Anti-dry heating gas-cooker has
CN110006075A (en) * 2019-03-11 2019-07-12 孙庆新 A kind of gas-cooker auto extinguishing method and device
CN110107927A (en) * 2019-06-05 2019-08-09 浙江久康电器有限公司 Prevent the devices and methods therefor of gas-cooker dry combustion method
CN110388658A (en) * 2019-07-26 2019-10-29 合肥培恩电器有限公司 A kind of flame-out monitoring system of integrated kitchen range hearth
CN110805932A (en) * 2019-11-05 2020-02-18 孙庆新 Electromagnetic valve, automatic flameout system and automatic flameout method
CN111045376A (en) * 2020-01-02 2020-04-21 潘兆铿 Dry burning prevention ignition control device for household gas stove
CN111313517A (en) * 2020-04-27 2020-06-19 郑中华 Anticreep charging device of gas-cooker

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CN107218629A (en) * 2017-07-28 2017-09-29 青岛芯瑞智能控制有限公司 A kind of gas-cooker anti-dry control system
CN107218629B (en) * 2017-07-28 2019-06-14 青岛芯瑞智能控制有限公司 A kind of gas-cooker anti-dry control system
CN107975827A (en) * 2018-01-08 2018-05-01 熊喻 A kind of long-range program-controlled intelligent gas-cooker
CN108278640A (en) * 2018-01-28 2018-07-13 昆山富凌能源利用有限公司 Anti-dry heating gas-cooker has
CN110006075A (en) * 2019-03-11 2019-07-12 孙庆新 A kind of gas-cooker auto extinguishing method and device
CN110107927A (en) * 2019-06-05 2019-08-09 浙江久康电器有限公司 Prevent the devices and methods therefor of gas-cooker dry combustion method
CN110388658A (en) * 2019-07-26 2019-10-29 合肥培恩电器有限公司 A kind of flame-out monitoring system of integrated kitchen range hearth
CN110805932A (en) * 2019-11-05 2020-02-18 孙庆新 Electromagnetic valve, automatic flameout system and automatic flameout method
CN111045376A (en) * 2020-01-02 2020-04-21 潘兆铿 Dry burning prevention ignition control device for household gas stove
CN111313517A (en) * 2020-04-27 2020-06-19 郑中华 Anticreep charging device of gas-cooker

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