CN200965277Y - Gas range protection device and gas range mounted with same - Google Patents
Gas range protection device and gas range mounted with same Download PDFInfo
- Publication number
- CN200965277Y CN200965277Y CN 200620148104 CN200620148104U CN200965277Y CN 200965277 Y CN200965277 Y CN 200965277Y CN 200620148104 CN200620148104 CN 200620148104 CN 200620148104 U CN200620148104 U CN 200620148104U CN 200965277 Y CN200965277 Y CN 200965277Y
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- coil
- tempering
- flame
- thermocouple
- protective device
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Abstract
A protection device for the gas range comprises an electromagnetic valve and thermocouples comprising a misfiring thermocouple arranged in the furnace header and a tempering thermocouple arranged in the mixed tube. The electromagnetic valve comprises a shell, an electromagnet and a movable valve core. The electromagnet is sleeved with a misfiring coil connected with the misfiring thermocouple and a tempering coil connected with the tempering thermocouple. The direction of magnetic line of force produced by the misfiring coil is opposite to the direction of magnetic line of force produced by the tempering coil. The electromagnet of the electromagnetic is sleeved with the misfiring coil and the tempering coil, and the two coils are connected with the misfiring thermocouple and the tempering thermocouple respectively. Thereby, the utility model can realize the detection of misfiring and tempering at the same time with simple structure and lower cost.
Description
Technical field
The utility model relates to a kind of gas combustion range flameout and tempering protective device, relates to a kind of gas-cooker that this protective device is installed simultaneously.
Background technology
At present, existing gas-cooker in use can't be stopped the generation of tempering.Tempering be exactly the inner combustion gas of kitchen range with air in the mixing tube internal combustion, make kitchen range inside and panel temperature fast rise.It can make face glass generation explosion, makes stainless steel faceplate variable color or distortion, and the kitchen range inner body burns out, and produces injury accident therefrom.But most of gas-cookers only have protector of accident extinguishing in the prior art, and have only minority to have the tempering protective device, but these tempering protective devices are two covering devices that separate with flame-out protection device; circuit is very complicated; be easy to generate misoperation, poor reliability, cost is also high.As China Patent No. is CN01215786.4; a kind of household gas range anti-backfire protective device is disclosed; it is made up of parts such as burner for gas stove induction tunnel, tempering inductor, ignition controller, magnetic valves; magnetic valve is arranged on the Gas Pipe, and the tempering inductor is arranged between the induction tunnel and ignition controller on the burner for gas stove.Wherein said ignition controller partly is made up of single-chip microcomputer and the high-tension ignition circuit that links to each other with single-chip microcomputer, flame detection circuit, tempering control circuit, driving circuit for electromagnetic valve, crystal oscillating circuit, zero clearing reset circuit, on-off circuit, under-voltage indicating circuit etc.After the tempering inductor detected the tempering signal, Single-chip Controlling tempering control circuit was controlled.Therefore, the circuit of above-mentioned patent is too complicated, and cost is also high.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, provide a kind of simple in structure, cost is low, reliability is high, sensitive gas-cooker protective device.
Another technical problem to be solved in the utility model is to overcome above-mentioned existing deficiency, and a kind of safe and reliable, gas-cooker with accident extinguishing and tempering duplicate protection is provided.
A kind of gas-cooker protective device that provides according to the utility model; comprise one be installed on the air valve and control fuel gas path break-make in the described air valve magnetic valve and control described magnetic valve break-make thermocouple; it is characterized in that: described thermocouple comprises that a flame-out thermocouple and that is installed in burner is installed in the tempering thermocouple of mixing tube; described magnetic valve comprises a housing; one is installed in the movable spool of interior electromagnet of described housing and the described air valve fuel gas path break-make of a control; be set with flame-out coil that is connected with described flame-out thermocouple and the tempering coil that is connected with described tempering thermocouple on the described electromagnet, the magnetic line of force direction that described flame-out coil produces is opposite with the magnetic line of force direction that described tempering coil produces.
A kind of gas-cooker protective device that provides according to the utility model also has following attached technical characterictic:
The U type that is shaped as of described electromagnet, its both sides iron core are respectively installed with extremely flame-out coil of a N and the extremely flame-out coil of a S.
Be respectively installed with described tempering coil on the both sides iron core of described electromagnet, the magnetic line of force direction of the flame-out coil generation on the magnetic line of force direction that described tempering coil produces and its place iron core is opposite.
Be set with described tempering coil on one of them iron core of described electromagnet, the magnetic line of force direction of the flame-out coil generation on the magnetic line of force direction that described tempering coil produces and its place iron core is opposite.
Described flame-out thermocouple is identical with parameter with described tempering thermocouple type.
Described flame-out coil and described tempering coil around to identical, the sense of current difference of input.
Described flame-out coil and described tempering coil around to opposite, the sense of current of input is identical.
Be formed with through hole on the described mixing tube, described tempering thermocouple by one fixedly swivel nut be fixed in the described through hole, and stretch in the endoporus of described mixing tube.
Plus earth in described flame-out thermocouple and the described tempering thermocouple, its negative pole are connected with an end of described flame-out coil, described tempering coil respectively, the other end ground connection of described flame-out coil and described tempering coil.
A kind of gas-cooker that provides according to the utility model; comprise stove; be installed in the burner on the described stove; the mixing tube that communicates with described burner; switch and flame-out tempering protective device; described protective device comprise one be installed on the air valve and control fuel gas path break-make in the described air valve magnetic valve and control described magnetic valve break-make thermocouple; described thermocouple comprises that a flame-out thermocouple and that is installed in burner is installed in the tempering thermocouple of mixing tube; described magnetic valve comprises a housing; one is installed in the movable spool of interior electromagnet of described housing and the described air valve fuel gas path break-make of a control; be set with flame-out coil that is connected with described flame-out thermocouple and the tempering coil that is connected with described tempering thermocouple on the described electromagnet, the magnetic line of force direction that described flame-out coil produces is opposite with the magnetic line of force direction that described tempering coil produces.
A kind of gas-cooker protective device that provides according to the utility model compared with prior art has following advantage: at first, the utility model is flame-out coil of while suit and tempering coil on the electromagnet of magnetic valve, and be connected with the tempering thermocouple with flame-out thermocouple respectively, therefore, the utility model is realized the detection of flame-out and tempering simultaneously, and simple in structure, cost is lower; Secondly, misoperation can not take place in reliability height of the present utility model, and is easy for installation.
A kind of gas-cooker that provides according to the utility model compared with prior art has following advantage: the utility model is equipped with above-mentioned protective device; make it have the duplicate protection of accident extinguishing and tempering; improved security; simultaneously since protective device simple in structure, cost is low; effectively reduce the overall cost of gas-cooker, also made things convenient for the installation of protective device.
Description of drawings
Fig. 1 is a schematic diagram of the present utility model.
Fig. 2 is the schematic diagram of the another kind of embodiment of magnetic valve of the present utility model.
The specific embodiment
Referring to Fig. 1, in a kind of preferred embodiment that the utility model provides, comprise that one is installed on the air valve 9 and controls the magnetic valve 1 of fuel gas path break-make in the described air valve 9 and the thermocouple of described magnetic valve 1 break-make of control, described thermocouple comprises that a flame-out thermocouple 2 and that is installed in burner 8 is installed in the tempering thermocouple 3 of mixing tube 7, described magnetic valve 1 comprises a housing 11, one is installed in the movable spool 13 that described housing 11 interior electromagnet 12 and are controlled described air valve 9 fuel gas path break-makes, be set with flame-out coil 21 that is connected with described flame-out thermocouple 2 and the tempering coil 31 that is connected with described tempering thermocouple 3 on the described electromagnet 12, the magnetic line of force direction that described flame-out coil 21 produces is opposite with the magnetic line of force direction that described tempering coil 31 produces.
The course of work of the present utility model is as follows, KF among Fig. 1 is the switch on the kitchen range panel, pressing K switch F makes movable spool 13 contact with electromagnet 12, the air inlet of air valve communicates with the air valve switch gas outlet at this moment, burner 8 produces flame, the electric current that produces after described flame-out thermocouple 2 is heated flows in the flame-out coil 21, has produced electromagnetic attraction and has made movable spool 13 and electromagnet 12 maintenance attracting states, and gas-cooker normally uses.When the soup of hotting plate overflows or a gust of wind when burner flame accident is extinguished, flame-out thermocouple 2 temperature reduce makes electromagnet 12 losss of excitation, and movable spool 13 resets under the elastic force effect of himself spring, cuts off the fuel gas path of air valve, prevents gas leakage.This is the operation principle of accident extinguishing protection.When gas-cooker during normal the use, when tempering took place, the temperature in the mixing tube 7 raise.The electric current that produces after described tempering thermocouple 3 is heated flows in the tempering coil 31, the magnetic line of force direction that described tempering coil 31 produces is opposite with the magnetic line of force direction that described flame-out coil 21 produces, therefore, two magnetic force are cancelled each other, magnetic valve one side loss of excitation, though the magnetic line of force that this moment, flame-out coil 21 produced also exists, and can not make movable spool 13 keep attracting state.Described movable spool 13 resets under the elastic force effect of himself spring, cuts off the fuel gas path of air valve, eliminates tempering.The utility model combines blowout protection and tempering protection, and simple in structure, cost is low, and is easy for installation.
Referring to Fig. 1, in the foregoing description that the utility model provides, the U type that is shaped as of described electromagnet 12, its both sides iron core are respectively installed with extremely flame-out coil 21 of a N and the extremely flame-out coil 21 ' of a S.Be set with described tempering coil 31 on one of them iron core of described electromagnet 12, the magnetic line of force direction that described tempering coil 31 produces is opposite with the magnetic line of force direction that the flame-out coil on its place iron core produces.A tempering coil 31 is installed can be eliminated the magnetic force that flame-out coil 21 produces, the magnetic force that flame-out coil 21 produces can make described movable spool 13 reset much smaller than the elastic force of the spring of movable spool 13, cuts off the fuel gas path of air valve.Can save a tempering coil 31 like this, reduce cost, also simplify processing.
Referring to Fig. 1, in the foregoing description that the utility model provides, described flame-out thermocouple 2 is identical with the type and the parameter of described tempering thermocouple 3.Promptly adopt two identical thermocouples, be subjected to thermogenetic size of current identical like this, the magnetic force that the tempering coil is produced is offset the magnetic force that flame-out coil produces.
Referring to Fig. 1, opposite in order to make described flame-out coil 21 in the foregoing description that the utility model provides with the magnetic line of force direction that described tempering coil 31 produces, described flame-out coil 21 and described tempering coil 31 around to identical, the sense of current difference of input.
Equally, the utility model also can adopt described flame-out coil 21 and described tempering coil 31 around to opposite, the sense of current of input is identical.The magnetic line of force direction that so also can guarantee described flame-out coil 21 generations is opposite with the magnetic line of force direction that described tempering coil 31 produces.
Referring to Fig. 1, in the foregoing description that the utility model provides, be formed with through hole on the described mixing tube 7, described tempering thermocouple 3 by one fixedly swivel nut 32 be fixed in the described through hole, and stretch in the endoporus of described mixing tube 7.
Referring to Fig. 1, in the foregoing description that the utility model provides, plus earth in described flame-out thermocouple 2 and the described tempering thermocouple 3, its negative pole is connected the other end ground connection of described flame-out coil 21 and described tempering coil 31 with an end of described flame-out coil 21, described tempering coil 31 respectively.
Referring to Fig. 2, in the another kind of embodiment that the utility model provides, the U type that is shaped as of described electromagnet 12, its both sides iron core are respectively installed with extremely flame-out coil 21 of a N and the extremely flame-out coil 21 ' of a S.Be respectively installed with tempering coil 31,31 ' on the both sides iron core of described electromagnet 12, the magnetic line of force direction of described tempering coil 31,31 ' generation is opposite with the magnetic line of force direction that the flame-out coil on its place iron core produces.Other structures of present embodiment are identical with the structure in the foregoing description.Two tempering coils 31,31 ' are installed are eliminated flame-out coil 21, the 21 ' magnetic force that produces fully, can improve the tempering protection.
In the embodiment of a kind of gas-cooker that the utility model provides; comprise stove; be installed in the burner on the described stove; the mixing tube that communicates with described burner; switch and flame-out tempering protective device; described protective device comprises that one is installed on the air valve 9 and controls the magnetic valve 1 of fuel gas path break-make in the described air valve 9 and the thermocouple of described magnetic valve 1 break-make of control; described thermocouple comprises that a flame-out thermocouple 2 and that is installed in burner 8 is installed in the tempering thermocouple 3 of mixing tube 7; described magnetic valve 1 comprises a housing 11; one is installed in the movable spool 13 that described housing 11 interior electromagnet 12 and are controlled described air valve 9 fuel gas path break-makes; be set with flame-out coil 21 that is connected with described flame-out thermocouple 2 and the tempering coil 31 that is connected with described tempering thermocouple 3 on the described electromagnet 12, the magnetic line of force direction that described flame-out coil 21 produces is opposite with the magnetic line of force direction that described tempering coil 31 produces.Therefore, the gas kitchen ranges that the utility model provides has the duplicate protection of unexpected flame-out and tempering, has higher security, is fit to promotion and application.
Above preferred embodiment only supplies the usefulness of explanation the utility model, and is not to restriction of the present utility model.Those of ordinary skill in the art under guiding, also can make various distortion and conversion, so all equivalent technical solutions all belongs to protection domain of the present utility model in not breaking away from spirit and scope of the present utility model.
Claims (10)
1; a kind of gas-cooker protective device; comprise that one is installed in the thermocouple that air valve (9) was gone up and controlled the magnetic valve (1) of fuel gas path break-make in the described air valve (9) and controls described magnetic valve (1) break-make; it is characterized in that: described thermocouple comprises that a flame-out thermocouple (2) and that is installed in burner (8) is installed in the tempering thermocouple (3) of mixing tube (7); described magnetic valve (1) comprises a housing (11); one is installed in the movable spool (13) of an interior electromagnet (12) of described housing (11) and control described air valve (a 9) fuel gas path break-make; be set with flame-out coil (21) that is connected with described flame-out thermocouple (2) and the tempering coil (31) that is connected with described tempering thermocouple (3) on the described electromagnet (12), the magnetic line of force direction that described flame-out coil (21) produces is opposite with the magnetic line of force direction that described tempering coil (31) produces.
2, a kind of gas-cooker protective device as claimed in claim 1 is characterized in that: the U type that is shaped as of described electromagnet (12), its both sides iron core are respectively installed with extremely flame-out coil (21) of a N and the extremely flame-out coil (21 ') of a S.
3, a kind of gas-cooker protective device as claimed in claim 2; it is characterized in that: be respectively installed with tempering coil (31,31 ') on the both sides iron core of described electromagnet (12), the magnetic line of force direction of the flame-out coil generation on the magnetic line of force direction that described same fire coil (31,31 ') produces and its place iron core is opposite.
4, a kind of gas-cooker protective device as claimed in claim 2; it is characterized in that: be set with described tempering coil (31) on one of them iron core of described electromagnet (12), the magnetic line of force direction of the flame-out coil generation on the magnetic line of force direction that described tempering coil (31) produces and its place iron core is opposite.
5, a kind of gas-cooker protective device as claimed in claim 1 is characterized in that: described flame-out thermocouple (2) is identical with the type and the parameter of described tempering thermocouple (3).
6, a kind of gas-cooker protective device as claimed in claim 1 is characterized in that: described flame-out coil (21) and described tempering coil (31) around to identical, the sense of current difference of input.
7, a kind of gas-cooker protective device as claimed in claim 1 is characterized in that: described flame-out coil (21) and described tempering coil (31) around to opposite, the sense of current of input is identical.
8, a kind of gas-cooker protective device as claimed in claim 1; it is characterized in that: described mixing tube is formed with through hole on (7); described tempering thermocouple (3) by one fixedly swivel nut (32) be fixed in the described through hole, and stretch in the endoporus of described mixing tube (7).
9, a kind of gas-cooker protective device as claimed in claim 1; it is characterized in that: the plus earth in described flame-out thermocouple (2) and the described tempering thermocouple (3); its negative pole is connected with an end of described flame-out coil (21), described tempering coil (31) respectively, the other end ground connection of described flame-out coil (21) and described tempering coil (31).
10, a kind of gas-cooker comprises stove, is installed in the burner on the described stove, the mixing tube that communicates with described burner, switch and flame-out tempering protective device, it is characterized in that: described protective device is the described protective device of above-mentioned arbitrary claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620148104 CN200965277Y (en) | 2006-10-23 | 2006-10-23 | Gas range protection device and gas range mounted with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620148104 CN200965277Y (en) | 2006-10-23 | 2006-10-23 | Gas range protection device and gas range mounted with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200965277Y true CN200965277Y (en) | 2007-10-24 |
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ID=38869295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620148104 Expired - Fee Related CN200965277Y (en) | 2006-10-23 | 2006-10-23 | Gas range protection device and gas range mounted with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200965277Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949165A (en) * | 2015-07-16 | 2015-09-30 | 珠海格力电器股份有限公司 | Anti-backfire gas stove |
| CN106969390A (en) * | 2017-06-05 | 2017-07-21 | 林州市绿能燃气设备材料有限公司 | A kind of gas-cooker backfire control device and its gas-cooker of manufacture |
| CN110805932A (en) * | 2019-11-05 | 2020-02-18 | 孙庆新 | Electromagnetic valve, automatic flameout system and automatic flameout method |
| WO2022021510A1 (en) * | 2020-07-28 | 2022-02-03 | 长青热能科技(中山)有限公司 | Temperature measurement drive device and temperature measurement drive method, and dual-air-source valve control system |
-
2006
- 2006-10-23 CN CN 200620148104 patent/CN200965277Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949165A (en) * | 2015-07-16 | 2015-09-30 | 珠海格力电器股份有限公司 | Anti-backfire gas stove |
| CN106969390A (en) * | 2017-06-05 | 2017-07-21 | 林州市绿能燃气设备材料有限公司 | A kind of gas-cooker backfire control device and its gas-cooker of manufacture |
| CN110805932A (en) * | 2019-11-05 | 2020-02-18 | 孙庆新 | Electromagnetic valve, automatic flameout system and automatic flameout method |
| WO2022021510A1 (en) * | 2020-07-28 | 2022-02-03 | 长青热能科技(中山)有限公司 | Temperature measurement drive device and temperature measurement drive method, and dual-air-source valve control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071024 Termination date: 20131023 |