CN205447820U - Pulse ignition control circuit and gas -cooker - Google Patents
Pulse ignition control circuit and gas -cooker Download PDFInfo
- Publication number
- CN205447820U CN205447820U CN201521088954.9U CN201521088954U CN205447820U CN 205447820 U CN205447820 U CN 205447820U CN 201521088954 U CN201521088954 U CN 201521088954U CN 205447820 U CN205447820 U CN 205447820U
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- coil
- electric capacity
- audion
- control circuit
- switching tube
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Abstract
The utility model discloses a pulse ignition control circuit, including switch tube, first electric capacity, switch button, first resistance, first coil, second coil and control module, wherein the switch tube includes first end, second end and is used for controlling the control end of first end and second end connected state, and wherein, the control end is connected with the anodal of first electric capacity, and the positive pole of first electric capacity is connected through switch button and the positive pole that presets the power, and first end passes through first coil to be connected with control module, and the second is held and is connected with the earthing terminal, the negative pole and the negative pole that presets the power of first electric capacity are connected, form the earthing terminal, the one end and the control end of first resistance are connected, and the other end is connected with the earthing terminal, the one end and the earthing terminal of second coil are connected, and the other end is connected with control module, and first coil and second coil coupled linking, control module is used for when the first end of switch tube and second end switches on, and control second coil both ends produce oscillating voltage. The utility model also discloses a gas -cooker.
Description
Technical field
This utility model relates to household electrical appliance technical field, particularly relates to a kind of pulse firing control circuit and gas-cooker.
Background technology
It is known that be typically provided with two burners in left and right in existing gas-cooker, each burner is correspondingly provided with a pulse firing control circuit.Traditional pulse ignition circuit generally passes through coil ground connection for the colelctor electrode controlling to produce the audion of oscillating voltage, and the base stage at audion arranges storage capacitor and realizes delayed firing operation.But after rotary switch unclamps, owing to storage capacitor needs through this coil discharge, so that there is time delay in electric discharge, if in the case of storage capacitor does not discharges completely, the rotary switch of other side is pressed when carrying out ignition operation, owing to the coil in another pulse firing control circuit carries out the generation impact of the voltage on whole earth terminal of vibrating, the audion that would potentially result in being connected with storage capacitor will turn on again, the pulse firing control circuit making the rotary switch unclamped before corresponding produces oscillating voltage at this, carries out ignition operation.There is crosstalk phenomenon in the burner sparking of the most existing gas-cooker left and right.
Utility model content
Main purpose of the present utility model is to provide a kind of pulse firing control circuit and gas-cooker, it is intended to prevent gas-cooker from producing crosstalk when left and right burner is struck sparks.
To achieve these goals, this utility model provides a kind of pulse firing control circuit, described pulse firing control circuit includes: switching tube, first electric capacity, switch key, first resistance, first coil, second coil and control module, wherein said switching tube includes the first end, second end and for controlling described first end and the control end of the second end connected state, wherein, described control end is connected with the positive pole of described first electric capacity, the positive pole of described first electric capacity is connected with the positive pole of preset power by described switch key, first end is connected with described control module by described first coil, second end is connected with described earth terminal；The negative pole of described first electric capacity is connected with the negative pole of described preset power, forms earth terminal；One end of described first resistance is connected with controlling end, and the other end is connected with described earth terminal；One end of described second coil is connected with described earth terminal, and the other end is connected with described control module, and described first coil and the second coil are of coupled connections；Described control module, for when the first end of described switching tube and the second end turn on, controls described second coil two ends and produces oscillating voltage.
Preferably, described control module includes the first audion, the second resistance, the second electric capacity and Zener diode, described first audion is PNP triode, its emitter stage is connected with the positive pole of described preset power, base stage is connected with described first coil by described second electric capacity, and colelctor electrode is connected with described second coil；One end of described second electric capacity is connected with the base stage of described first audion, and the other end is connected with the emitter stage of described first audion；One end that one end that wherein said first coil is connected with described switching tube the first end is connected with described first transistor collector with described second coil is Same Name of Ends；The anode of described Zener diode is connected with the colelctor electrode of described first audion, and negative electrode is connected with the emitter stage of described first audion.
Preferably, described control module also includes that diode, the anode of described diode are connected with the base stage of described first audion, and negative electrode is connected with the emitter stage of described first audion.
Preferably, described switching tube includes being the second audion, and described second audion is NPN audion, and it launches the second end of the most described switching tube, and the first end of the most described switching tube of current collection, base stage is the control end of described switching tube.
Preferably, it is additionally provided with the 3rd resistance between the positive pole of described control end and described first electric capacity.
Preferably, described pulse firing control circuit also includes that the 3rd electric capacity, described 3rd electric capacity are parallel to the two ends of described first resistance.
In addition, for achieving the above object, this utility model also provides for a kind of gas-cooker, described gas-cooker includes at least two pulse firing control circuit, described pulse firing control circuit includes: switching tube, first electric capacity, switch key, first resistance, first coil, second coil and control module, wherein said switching tube includes the first end, second end and for controlling described first end and the control end of the second end connected state, wherein, described control end is connected with the positive pole of described first electric capacity, the positive pole of described first electric capacity is connected with the positive pole of preset power by described switch key, first end is connected with described control module by described first coil, second end is connected with described earth terminal；The negative pole of described first electric capacity is connected with the negative pole of described preset power, forms earth terminal；One end of described first resistance is connected with controlling end, and the other end is connected with described earth terminal；One end of described second coil is connected with described earth terminal, and the other end is connected with described control module, and described first coil and the second coil are of coupled connections；Described control module, for when the first end of described switching tube and the second end turn on, controls described second coil two ends and produces oscillating voltage.
The pulse firing control circuit that this utility model embodiment provides includes switching tube, first electric capacity, switch key, first resistance, first coil, second coil and control module, wherein said switching tube includes the first end, second end and for controlling described first end and the control end of the second end connected state, wherein, described control end is connected with the positive pole of described first electric capacity, the positive pole of described first electric capacity is connected with the positive pole of preset power by described switch key, first end is connected with described control module by described first coil, second end is connected with described earth terminal；The negative pole of described first electric capacity is connected with the negative pole of described preset power, forms earth terminal；One end of described first resistance is connected with controlling end, and the other end is connected with described earth terminal；One end of described second coil is connected with described earth terminal, and the other end is connected with described control module, and described first coil and the second coil are of coupled connections；Described control module, for when the first end of described switching tube and the second end turn on, controls described second coil two ends and produces oscillating voltage.Owing to being coupled directly to ground by the first resistance by the control end of switching tube, thus when switch key ends, the voltage at the first electric capacity two ends can be promptly released into 0 voltage；When therefore will not strike sparks because of left and right burner in gas-cooker, produce crosstalk phenomenon.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to the structure shown in these accompanying drawings.
Fig. 1 is the electrical block diagram of this utility model pulse firing control circuit one embodiment.
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Drawing reference numeral illustrates:
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
Need explanation, in this utility model embodiment, directional instruction (such as up, down, left, right, before and after ...) is only used for explanation relative position relation under a certain particular pose (as shown in drawings) between each parts, motion conditions etc., if this particular pose changes, then directionality instruction changes the most therewith.
It addition, the description relating to " first ", " second " etc. in this utility model is only used for describing purpose, and it is not intended that indicate or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include at least one this feature.Additionally; technical scheme between each embodiment can be combined with each other; but must be based on those of ordinary skill in the art are capable of; when technical scheme combination occur conflicting maybe cannot realize time will be understood that the combination of this technical scheme does not exists, the most not this utility model require protection domain within.
This utility model provides a kind of pulse firing control circuit, with reference to Fig. 1, in one embodiment, this pulse firing control circuit includes switching tube Q1, first electric capacity C1, switch key S, first resistance R1, first coil L1, second coil L2 and control module 10, wherein said switching tube Q1 includes the first end, second end and for controlling described first end and the control end of the second end connected state, wherein, described control end is connected with the positive pole of described first electric capacity C1, the positive pole of described first electric capacity C1 is connected by the positive pole of described switch key S and preset power VCC, first end is connected with described control module 10 by described first coil L1, second end is connected with described earth terminal；The negative pole of described first electric capacity C1 is connected with the negative pole of described preset power VCC, forms earth terminal；One end of described first resistance R1 is connected with controlling end, and the other end is connected with described earth terminal；One end of described second coil L2 is connected with described earth terminal, and the other end is connected with described control module 10, and described first coil L1 and the second coil L2 are of coupled connections；Described control module 10, for when first end of described switching tube Q1 and the second end turn on, controls described second coil L2 two ends and produces oscillating voltage.
The pulse firing control circuit that the present embodiment provides is mainly used in gas-cooker, is used for producing oscillating voltage.
In the present embodiment, above-mentioned switch key S is the rotary switch in gas-cooker, specifically, includes two burners at gas-cooker, and each burner is correspondingly arranged on a pulse firing control circuit, to control its ignition operation.Above-mentioned preset power can be the battery that gas-cooker is built-in, it is also possible to the working power provided for external adapter, does not do at this and limits further.
Operationally, switch key S is pressed as user so that switch key S is in the conduction state.First electric capacity C1 two ends will be charged by preset power VCC, and when the voltage of the first electric capacity C1 rises to make the high level that switching tube turns on, switching tube Q1 turns on.Now, first coil L1 and the second coil L2 are under the effect of control module 10 so that the second coil L2 two ends produce oscillating voltage.This oscillating voltage is substantially in sine wave, and is unidirectional current.
As user trip switch button S, the voltage at the first electric capacity C1 two ends will be discharged by the first resistance R1, so that the voltage that switching tube Q1 controls end rapidly goes to 0 voltage.Now switching tube Q1 is in cut-off state, and stopping is produced oscillating voltage by the second coil L2 two ends.
Specifically, also including high-voltage pulses circuit 20 in pulse firing control circuit, this high-voltage pulses circuit carries out coupled boost to the oscillating voltage at above-mentioned second coil L2 two ends, in final output to high voltage package HV, impulse ignition voltage is provided, it is achieved ignition function for high voltage package HV.
The circuit structure of this high-voltage pulses circuit 20 can be configured according to actual needs, is not described further at this.
The pulse firing control circuit that this utility model embodiment provides includes switching tube Q1, first electric capacity C1, switch key S, first resistance R1, first coil L1, second coil L2 and control module 10, wherein said switching tube Q1 includes the first end, second end and for controlling described first end and the control end of the second end connected state, wherein, described control end is connected with the positive pole of described first electric capacity C1, the positive pole of described first electric capacity C1 is connected by the positive pole of described switch key S and preset power VCC, first end is connected with described control module 10 by described first coil L1, second end is connected with described earth terminal；The negative pole of described first electric capacity C1 is connected with the negative pole of described preset power VCC, forms earth terminal；One end of described first resistance R1 is connected with controlling end, and the other end is connected with described earth terminal；One end of described second coil L2 is connected with described earth terminal, and the other end is connected with described control module 10, and described first coil L1 and the second coil L2 are of coupled connections；Described control module 10, for when first end of described switching tube Q1 and the second end turn on, controls described second coil L2 two ends and produces oscillating voltage.Owing to being coupled directly to ground by the first resistance R1 by the control end of switching tube Q1, thus when switch key S ends, the voltage at the first electric capacity C1 two ends can be promptly released into 0 voltage；When therefore will not strike sparks because of left and right burner in gas-cooker, produce crosstalk phenomenon.
It is understandable that, the structure of above-mentioned control module 10 can be configured according to actual needs, in the present embodiment, above-mentioned control module 10 includes the first audion Q2, the second resistance R2, the second electric capacity C2 and Zener diode Z1, described first audion Q2 is PNP triode, its emitter stage is connected with the positive pole of described preset power VCC, and base stage is connected with described first coil L1 by described second electric capacity C2, and colelctor electrode is connected with described second coil L2；One end of described second electric capacity C2 is connected with the base stage of described first audion Q2, and the other end is connected with the emitter stage of described first audion Q2；One end that one end that wherein said first coil L1 is connected with described switching tube Q1 the first end is connected with described first audion Q2 colelctor electrode with described second coil L2 is Same Name of Ends；The anode of described Zener diode Z1 is connected with the colelctor electrode of described first audion Q2, and negative electrode is connected with the emitter stage of described first audion Q2.
Specifically, during work, when the first end and the connection of the second end of above-mentioned switching tube Q1, above-mentioned second electric capacity C2 is discharged by the second resistance R2 and first coil L1.The base voltage making the first audion Q2 reduces, when being reduced to certain value, first audion Q2 conducting, now the second coil L2 will be charged by preset power VCC by the first audion Q2, during charging, will produce induction electromotive force in first coil L1, so that the voltage of the first audion Q2 base stage rises, when above-mentioned to a certain extent after, first audion Q2 cut-off, the second coil L2 will be discharged by Zener diode Z1.During electric discharge, the voltage of the first audion Q2 base stage will rise again, again result in the first audion Q2 cut-off.Therefore, during switching tube Q1 turns on, constantly turn on by the first audion Q2 and end, continuous charging and discharging on the second coil L2, thus form oscillating voltage.
Further, based on above-described embodiment, in the present embodiment, above-mentioned control module 10 also includes that diode D1, the anode of described diode D1 are connected with the base stage of described first audion Q2, and negative electrode is connected with the emitter stage of described first audion Q2.
In the present embodiment, above-mentioned diode D1 is commutation diode, realizes continuous current discharge electricity for the moment turned off at audion.Prevent the voltage between the first audion Q2 emitter stage and base stage excessive, and damage the first audion Q2.
It is understandable that, the structure of above-mentioned switching tube Q1 can be configured according to actual needs, based on above-described embodiment, in the present embodiment, it is preferable that described switching tube Q1 includes being the second audion, described second audion is NPN audion, it launches the second end of the most described switching tube, and the first end of the most described switching tube of current collection, base stage is the control end of described switching tube.
It is understood that in other embodiments, above-mentioned switching tube Q1 can also use other structures, such as, such as, can use field effect transistor etc..
Further, based on above-described embodiment, in the present embodiment, between the positive pole of above-mentioned control end and described first electric capacity C1, it is additionally provided with the 3rd resistance R3.
In the present embodiment, the 3rd resistance R3 is current-limiting resistance, can be connected to control between end and the first electric capacity C1, it is also possible to be connected between emitter stage and the earth terminal of the second audion.
Further, based on above-described embodiment, in the present embodiment, above-mentioned pulse firing control circuit also includes that the 3rd electric capacity C3, described 3rd electric capacity C3 are parallel to the two ends of described first resistance R1.
In the present embodiment, the 3rd electric capacity C3 is filter capacitor, controls the voltage of end for stable switch pipe Q1.
This utility model also provides for a kind of gas-cooker, and this gas-cooker includes at least two pulse firing control circuit, and the structure of this pulse firing control circuit can refer to above-described embodiment, do not repeats them here.Naturally, owing to the gas-cooker of the present embodiment have employed the technical scheme of above-mentioned pulse firing control circuit, therefore this gas-cooker has the above-mentioned all of beneficial effect of pulse firing control circuit.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in scope of patent protection of the present utility model.
Claims (7)
1. a pulse firing control circuit, it is characterized in that, described pulse firing control circuit includes: switching tube, first electric capacity, switch key, first resistance, first coil, second coil and control module, wherein said switching tube includes the first end, second end and for controlling described first end and the control end of the second end connected state, wherein, described control end is connected with the positive pole of described first electric capacity, the positive pole of described first electric capacity is connected with the positive pole of preset power by described switch key, first end is connected with described control module by described first coil, second end is connected with earth terminal；The negative pole of described first electric capacity is connected with the negative pole of described preset power, forms earth terminal；One end of described first resistance is connected with controlling end, and the other end is connected with described earth terminal；One end of described second coil is connected with described earth terminal, and the other end is connected with described control module, and described first coil and the second coil are of coupled connections；Described control module, for when the first end of described switching tube and the second end turn on, controls described second coil two ends and produces oscillating voltage.
2. pulse firing control circuit as claimed in claim 1, it is characterized in that, described control module includes the first audion, the second resistance, the second electric capacity and Zener diode, described first audion is PNP triode, its emitter stage is connected with the positive pole of described preset power, base stage is connected with described first coil by described second electric capacity, and colelctor electrode is connected with described second coil；One end of described second electric capacity is connected with the base stage of described first audion, and the other end is connected with the emitter stage of described first audion；One end that one end that wherein said first coil is connected with described switching tube the first end is connected with described first transistor collector with described second coil is Same Name of Ends；The anode of described Zener diode is connected with the colelctor electrode of described first audion, and negative electrode is connected with the emitter stage of described first audion.
3. pulse firing control circuit as claimed in claim 2, it is characterised in that described control module also includes that diode, the anode of described diode are connected with the base stage of described first audion, and negative electrode is connected with the emitter stage of described first audion.
4. the pulse firing control circuit as described in any one of claims 1 to 3, it is characterized in that, described switching tube includes being the second audion, described second audion is NPN audion, it launches the second end of the most described switching tube, first end of the most described switching tube of current collection, base stage is the control end of described switching tube.
5. pulse firing control circuit as claimed in claim 4, it is characterised in that be additionally provided with the 3rd resistance between the positive pole of described control end and described first electric capacity.
6. pulse firing control circuit as claimed in claim 5, it is characterised in that described pulse firing control circuit also includes that the 3rd electric capacity, described 3rd electric capacity are parallel to the two ends of described first resistance.
7. a gas-cooker, it is characterised in that include at least two pulse firing control circuit as according to any one of claim 1 to 6.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521088954.9U CN205447820U (en) | 2015-12-22 | 2015-12-22 | Pulse ignition control circuit and gas -cooker |
| PCT/CN2016/100372 WO2017088583A1 (en) | 2015-11-27 | 2016-09-27 | Pulse ignition control circuit, gas stove, and working control method and device therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521088954.9U CN205447820U (en) | 2015-12-22 | 2015-12-22 | Pulse ignition control circuit and gas -cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205447820U true CN205447820U (en) | 2016-08-10 |
Family
ID=56585846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521088954.9U Withdrawn - After Issue CN205447820U (en) | 2015-11-27 | 2015-12-22 | Pulse ignition control circuit and gas -cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205447820U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423339A (en) * | 2015-12-22 | 2016-03-23 | 广东美的厨房电器制造有限公司 | Pulse ignition control circuit and gas stove |
| WO2017088583A1 (en) * | 2015-11-27 | 2017-06-01 | 广东美的厨房电器制造有限公司 | Pulse ignition control circuit, gas stove, and working control method and device therefor |
| CN109780569A (en) * | 2019-01-25 | 2019-05-21 | 珠海格力电器股份有限公司 | Pulse ignition circuit and burnt gas wall hanging furnace based on Buck principle |
-
2015
- 2015-12-22 CN CN201521088954.9U patent/CN205447820U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017088583A1 (en) * | 2015-11-27 | 2017-06-01 | 广东美的厨房电器制造有限公司 | Pulse ignition control circuit, gas stove, and working control method and device therefor |
| CN105423339A (en) * | 2015-12-22 | 2016-03-23 | 广东美的厨房电器制造有限公司 | Pulse ignition control circuit and gas stove |
| CN105423339B (en) * | 2015-12-22 | 2017-10-27 | 广东美的厨房电器制造有限公司 | Pulse firing controls circuit and gas-cooker |
| CN109780569A (en) * | 2019-01-25 | 2019-05-21 | 珠海格力电器股份有限公司 | Pulse ignition circuit and burnt gas wall hanging furnace based on Buck principle |
| CN109780569B (en) * | 2019-01-25 | 2020-06-26 | 珠海格力电器股份有限公司 | Pulse ignition circuit and gas hanging stove based on Buck principle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160810 Effective date of abandoning: 20171027 |
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| AV01 | Patent right actively abandoned |