CN103712244A - Ignition device for gas stove - Google Patents
Ignition device for gas stove Download PDFInfo
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- CN103712244A CN103712244A CN201310742008.0A CN201310742008A CN103712244A CN 103712244 A CN103712244 A CN 103712244A CN 201310742008 A CN201310742008 A CN 201310742008A CN 103712244 A CN103712244 A CN 103712244A
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- ignition
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Abstract
The invention provides an ignition device for a gas stove, and belongs to the technical field of the gas stove. The ignition device comprises an insulating ceramic body and an ignition pin which is arranged in the insulating ceramic body and is electrically connected to a controller of the gas stove. The ignition device is characterized in that a metal grounding shell which is made of metal and is in grounding connection with the controller of the gas stove is arranged outside the insulating ceramic body, an ignition loop is formed between the metal grounding shell and the ignition pin, and after ignition is completed, when the ignition loop is in a combustion state, a flameout induction loop is formed among the ignition pin, flame and the metal grounding shell. As the metal grounding shell is arranged outside the insulating ceramic body, the reliability of grounding can be ensured; and during ignition, the ignition loop is formed between the ignition pin and the metal grounding shell, and after ignition is completed, when the ignition loop is in a combustion state, the flameout induction loop is formed among the ignition pin, flame and the metal grounding shell. The ignition device has the advantages that the structure of the ignition device is simplified, and the ignition device is convenient to install, does not occupy the finite space of the gas stove and can be used for reducing the cost of the gas stove.
Description
Technical field
The invention belongs to gas kitchen ranges technical field, be specifically related to the igniter that a kind of gas-cooker is used.
Background technology
As is known in the industry, the igniting of gas-cooker is that the igniter by being arranged on gas-cooker realizes, and the blowout protection of gas-cooker is to be realized by the flame-out protection device being arranged on gas-cooker.Igniter comprises insulating ceramics and is arranged on ignition electrode in insulating ceramics and that is electrically connected to controller on gas-cooker, and flame-out protection device comprises insulating ceramics and is arranged on the inductive needle that controller in insulating ceramics and same and on gas-cooker is electrically connected to.In the time will enabling gas-cooker, by to being arranged on ignition switch operations on gas-cooker and that be electrically connected to controller, ignition electrode electrion produces high-voltage spark between the metal fire cover of ignition electrode and gas-cooker, by high-voltage spark, is lighted combustion gas and is entered fired state.When fray-out of flame; because the loop that forms between inductive needle, flame and metal fire cover three disconnects, thereby controller can't detect loop signal, so controller is judged to be fray-out of flame; by controller, the self-priming valve on fuel gas path is closed, to embody flame-out safety protection function.
But; in actual use procedure; the probability of metal fire cover imperfect earth is higher; cause the function of flame-out protection device to be difficult to performance; so two flame-out protection devices are set conventionally on gas-cooker, by forming reliable flame loop inductance between two pieces of inductive needles of two flame-out protection devices and flame three.Although so structure has whether ground connection well and in the same old way can perception fray-out of flame whether strong point without worry metal fire cover, and security is also impeccable, but there is following technical problem: the one, owing to can being restricted for the space that two flame-out protection devices are installed on gas-cooker, giving to install, produce trouble; The 2nd, owing to there being two flame-out protection devices, thereby increased the cost of gas-cooker; The 3rd, due to poor reliability; thereby be prone to sense faults; because only have the two pieces of flame inductive needles perception simultaneously fray-out of flame Time Controller when two flame-out protection devices to be just able to work and self-priming valve is closed; once so fray-out of flame; as long as there is one piece of flame inductive needle not respond to, just controller can not be judged so, self-priming valve is still in opening; leaking appears in combustion gas, leaves potential safety hazard.
In disclosed Chinese patent literature, can be seen in the technical information of the igniter that gas-cooker uses, " a kind of silicon nitride igniter " typically recommended as Granted publication CN202253749U, this patent scheme designs igniter and flame-out protection device as a whole and is jointly installed on a flange (patent claims mounting flange), by flange, two devices are installed on gas-cooker, by the full text to this patent, understand known: although there is the technique effect of the 0009th section of record of description, but due to patent scheme only original independent igniter of installing and flame-out protection device are collected in together with, the ignition electrode of igniter and the loop of putting out the inductive needle of type fire-fighting protection device do not change, particularly, ignition circuit is still the loop forming between ignition electrode and metal fire cover, flame-out loop inductance is still the loop forming between flame inductive needle, flame and metal fire cover three, thereby when metal fire cover imperfect earth, flame-out loop inductance just cannot form.In addition, when metal fire cover imperfect earth, also can cause ignition difficulties.
In view of above-mentioned prior art, be necessary rational modification in addition, the applicant has done useful design for this reason, has finally formed technical scheme described below, and is taking under secrecy provision through simulated test, and it is practicable that result proves.
Summary of the invention
Task of the present invention is to provide a kind of helping avoid to be subject to the impact of metal fire cover imperfect earth and to use the reliability that both ensures igniting and guarantee to form afterwards desirable flame-out loop inductance in igniting, be conducive to save installing space on gas-cooker and easy for installation and be of value to the igniter that the gas-cooker of the cheapness that embodies gas-cooker is used.
Task of the present invention completes like this, the igniter that a kind of gas-cooker is used, comprise insulating ceramics body and be arranged on ignition electrode in insulating ceramics body and that be electrically connected to the controller of gas-cooker under use state, be characterised in that: described insulating ceramics external be provided with a material be metal and with the metal grounding shell of the controller grounding connection of gas-cooker, by forming ignition circuit between this metal grounding shell and described ignition electrode, and while entering fired state after igniting, by ignition electrode, between flame and metal grounding shell three, form flame-out loop inductance.
In a specific embodiment of the present invention, the upper end of described ignition electrode leans out the upper end of insulating ceramics body and the ignition electrode syringe needle that formation has a narrow contracting, between ignition electrode syringe needle and described metal grounding shell, form ignition circuit, and while entering fired state after igniting, by forming described flame-out loop inductance between ignition electrode syringe needle, described flame and metal grounding shell three.
In another specific embodiment of the present invention, described insulating ceramics body forms and has an igniting discharge cavity towards a concave end of described ignition electrode syringe needle, and described ignition electrode syringe needle is positioned at igniting discharge cavity.
In another specific embodiment of the present invention, described insulating ceramics body is silicon nitride ceramic body.
In another specific embodiment of the present invention, at described metal grounding shell, be fixed with a mount pad outward.
Of the present invention, also have in a specific embodiment, described mount pad is nonmetallic.
More of the present invention and in a specific embodiment, described nonmetal be plastics or pottery.
Technical scheme provided by the invention is due at the external metal grounding shell that is provided with of insulating ceramics, with respect to prior art by means of for metal fire cover ground connection, can ensure the reliability of ground connection, in when igniting, form ignition circuit between by ignition electrode and metal grounding shell, while entering fired state after igniting completes, by forming and extinguish loop inductance between ignition electrode, flame and metal grounding shell three; Owing to having igniting and extinguish protection function concurrently, thereby significantly simplify the structure, not only easy for installation, and can avoid the cost that takies the confined space of gas-cooker and significantly reduce gas-cooker.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention schematic diagram.
The specific embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, applicant elaborates the mode with embodiment below, but to the description of embodiment, be not all the restriction to the present invention program, any according to the present invention design, done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
Refer to Fig. 1, provided an insulating ceramics body 1, be arranged on ignition electrode 2 in insulating ceramics body 1 and that be electrically connected to the controller of gas-cooker under use state.Technical essential as technical scheme provided by the invention: the mode of closely wrapping up of take outside insulating ceramics body 1 be provided with a material as metal as aluminium, copper or stainless and with the metal grounding shell 3 of the ground terminal grounding connection of controller, by forming ignition circuit between this metal grounding shell 3 and ignition electrode 2, and while entering fired state after ignition electrode 2 has been lighted a fire, by forming flame-out loop inductance between ignition electrode 2, flame and metal grounding shell 3.For example, when the fray-out of flame of gas-cooker, because the loop forming between ignition electrode 2, flame and metal grounding shell 3 threes disconnects, thereby controller can't detect loop signal, so controller is judged to be gas-cooker in flameout state, by controller, the self-priming valve on fuel gas path is closed, avoid gas leakage and accidents caused.Due to the principle of the flame-out loop inductance forming between ignition electrode 2, flame and metal grounding shell 3 threes be with inductive needle in prior art, flame, metal fire cover three between the principle of the flame-out loop inductance that forms and the connected mode being connected with controller be tending towards identical, for example can be referring to CN20253749U and CN102109179A, thereby applicant repeats no more.
As preferred scheme, shown position state (be take as example in the upper end of aforesaid ignition electrode 2, as follows) upper end and the formation that lean out insulating ceramics body 1 have an ignition electrode syringe needle 21 narrow contracting and sharp-pointed, between ignition electrode syringe needle 21 and aforementioned metal grounding shell 3, form ignition circuit, and complete after igniting at ignition electrode syringe needle 21, when gas-cooker enters fired state, by ignition electrode syringe needle 21, between flame and metal grounding shell 3 threes, form flame-out loop inductance.The lower end of ignition electrode 2 leans out equally insulating ceramics body 2 and is electrically connected to the controller of gas-cooker.
As shown in Figure 1, in the upper end of insulating ceramics body 1, towards a concave end of aforementioned ignition electrode syringe needle 21, form and have an igniting discharge cavity 11, ignition electrode syringe needle 21 is positioned at igniting discharge cavity 11 and corresponding to the middle position of the discharge cavity 11 of lighting a fire.
Preferably, aforesaid insulating ceramics body 1 is silicon nitride ceramic body.Outside aforesaid metal grounding shell 3, be fixed with a mount pad 4, fixed form is preferably used adhesive cementation, and mount pad 4 adopts nonmetal as plastics or pottery.The effect of this mount pad 4 be as with the fixing support of gas-cooker.
As shown in the above description; technical scheme provided by the invention is owing to being wrapped with a metal grounding shell 3 at insulating ceramics body 1; thereby make the present invention that ignition function and extinguish protection function are held concurrently and obtained it, thereby confirmed the technique effect in the superincumbent technique effect of applicant hurdle.
Claims (7)
1. the igniter that gas-cooker is used, comprise insulating ceramics body (1) and be arranged on ignition electrode (2) in insulating ceramics body (1) and that be electrically connected to the controller of gas-cooker under use state, it is characterized in that: described insulating ceramics body (1) be outside equipped with a material be metal and with the metal grounding shell (3) of the controller grounding connection of gas-cooker, by forming ignition circuit between this metal grounding shell (3) and described ignition electrode (2), and while entering fired state after igniting, by ignition electrode (2), between flame and metal grounding shell (3) three, form flame-out loop inductance.
2. the igniter that gas-cooker according to claim 1 is used, the upper end that it is characterized in that described ignition electrode (2) leans out the upper end of insulating ceramics body (1) and the ignition electrode syringe needle (21) that formation has a narrow contracting, between ignition electrode syringe needle (21) and described metal grounding shell (3), form ignition circuit, and while entering fired state after igniting, by forming described flame-out loop inductance between ignition electrode syringe needle (21), described flame and metal grounding shell (3) three.
3. the igniter that gas-cooker according to claim 2 is used, it is characterized in that described insulating ceramics body (1) forms and has an igniting discharge cavity (11) towards a concave end of described ignition electrode syringe needle (21), described ignition electrode syringe needle (21) is positioned at igniting discharge cavity (11).
4. the igniter of using according to the gas-cooker described in claim 1 or 2 or 3, is characterized in that described insulating ceramics body (1) is silicon nitride ceramic body.
5. the igniter that gas-cooker according to claim 1 and 2 is used, is characterized in that being fixed with a mount pad (4) outside described metal grounding shell (3).
6. the igniter that gas-cooker according to claim 5 is used, is characterized in that described mount pad (4) is nonmetallic.
7. the igniter that gas-cooker according to claim 6 is used, it is characterized in that described nonmetal be plastics or pottery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310742008.0A CN103712244A (en) | 2013-12-30 | 2013-12-30 | Ignition device for gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310742008.0A CN103712244A (en) | 2013-12-30 | 2013-12-30 | Ignition device for gas stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103712244A true CN103712244A (en) | 2014-04-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310742008.0A Pending CN103712244A (en) | 2013-12-30 | 2013-12-30 | Ignition device for gas stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103712244A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681924A (en) * | 2017-10-19 | 2019-04-26 | 华帝股份有限公司 | Ignition needle support and stove |
| CN109838816A (en) * | 2017-11-29 | 2019-06-04 | 宁波方太厨具有限公司 | A kind of gas stove ignition needle and the burner for being equipped with the ignition electrode |
| CN112178699A (en) * | 2019-07-05 | 2021-01-05 | 博西华电器（江苏）有限公司 | Burner of gas stove, gas stove and ignition device of gas stove |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02230012A (en) * | 1989-02-28 | 1990-09-12 | Noritz Corp | Combustion device |
| CN2273380Y (en) * | 1996-11-18 | 1998-01-28 | 戴启震 | Circle ignition semi-conductor electric nozzle |
| CN2371465Y (en) * | 1999-02-24 | 2000-03-29 | 张燕江 | Circular table incluced conductor high-energy fuel oil lighting electrode |
| CN2453255Y (en) * | 2000-12-02 | 2001-10-10 | 中国石油化工股份有限公司巴陵分公司 | Electronic ignitor for heavy oil combustion stove |
| CN2932118Y (en) * | 2006-05-16 | 2007-08-08 | 宝应县电子陶瓷厂 | Igniter electrode |
| CN2932115Y (en) * | 2006-05-16 | 2007-08-08 | 宝应县电子陶瓷厂 | Igniter electrode |
| CN202350094U (en) * | 2011-11-28 | 2012-07-25 | 中冶南方(武汉)威仕工业炉有限公司 | Ignition electrode for radiant tube burner |
| CN202532534U (en) * | 2012-03-17 | 2012-11-14 | 无锡威力特船用锅炉有限公司 | Ignition and flame detection integrated device |
| CN203657000U (en) * | 2013-12-30 | 2014-06-18 | 金春满 | Ignition device for gas stove |
-
2013
- 2013-12-30 CN CN201310742008.0A patent/CN103712244A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02230012A (en) * | 1989-02-28 | 1990-09-12 | Noritz Corp | Combustion device |
| CN2273380Y (en) * | 1996-11-18 | 1998-01-28 | 戴启震 | Circle ignition semi-conductor electric nozzle |
| CN2371465Y (en) * | 1999-02-24 | 2000-03-29 | 张燕江 | Circular table incluced conductor high-energy fuel oil lighting electrode |
| CN2453255Y (en) * | 2000-12-02 | 2001-10-10 | 中国石油化工股份有限公司巴陵分公司 | Electronic ignitor for heavy oil combustion stove |
| CN2932118Y (en) * | 2006-05-16 | 2007-08-08 | 宝应县电子陶瓷厂 | Igniter electrode |
| CN2932115Y (en) * | 2006-05-16 | 2007-08-08 | 宝应县电子陶瓷厂 | Igniter electrode |
| CN202350094U (en) * | 2011-11-28 | 2012-07-25 | 中冶南方(武汉)威仕工业炉有限公司 | Ignition electrode for radiant tube burner |
| CN202532534U (en) * | 2012-03-17 | 2012-11-14 | 无锡威力特船用锅炉有限公司 | Ignition and flame detection integrated device |
| CN203657000U (en) * | 2013-12-30 | 2014-06-18 | 金春满 | Ignition device for gas stove |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681924A (en) * | 2017-10-19 | 2019-04-26 | 华帝股份有限公司 | Ignition needle support and stove |
| CN109681924B (en) * | 2017-10-19 | 2024-05-31 | 华帝股份有限公司 | Ignition needle support and kitchen range |
| CN109838816A (en) * | 2017-11-29 | 2019-06-04 | 宁波方太厨具有限公司 | A kind of gas stove ignition needle and the burner for being equipped with the ignition electrode |
| CN109838816B (en) * | 2017-11-29 | 2023-11-17 | 宁波方太厨具有限公司 | Gas stove ignition needle and combustor provided with same |
| CN112178699A (en) * | 2019-07-05 | 2021-01-05 | 博西华电器（江苏）有限公司 | Burner of gas stove, gas stove and ignition device of gas stove |
| CN112178699B (en) * | 2019-07-05 | 2023-10-27 | 博西华电器（江苏）有限公司 | Burner of gas stove, gas stove and ignition device of gas stove |
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Application publication date: 20140409 |