CN104006420A - Fixed timing dry-burning prevention ignition controller for plug valve gas cooker - Google Patents
Fixed timing dry-burning prevention ignition controller for plug valve gas cooker Download PDFInfo
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- CN104006420A CN104006420A CN201410283981.5A CN201410283981A CN104006420A CN 104006420 A CN104006420 A CN 104006420A CN 201410283981 A CN201410283981 A CN 201410283981A CN 104006420 A CN104006420 A CN 104006420A
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Abstract
Provided is a fixed timing dry-burning prevention ignition controller for a plug valve gas cooker. A single-chip microcomputer is arranged in the ignition controller, and the single-chip microcomputer is electrically connected with high voltage pulse generation circuits, flame detection circuits, solenoid valve driving circuits, alarm circuits and plug valve microswitches of multiple corresponding burners in the cooker. Multiple fixed time timers corresponding to the burners are arranged in the single-chip microcomputer, and the fixed time timers start a countdown working state when the flame detection circuits of the corresponding burners detect flame signals. In the working process, if the plug valve microswitch of any burner of the gas cooker is switched on, the corresponding fixed time timer returns to fixed time and the countdown working state is started again. When the countdown of the fixed time timers is close to zero, the alarm circuits act to drive alarms to work, and when the fixed time timers count down to zero, the solenoid valve driving circuits stop working. The fixed timing dry-burning prevention ignition controller for the plug valve gas cooker can achieve the purpose of complete dry burning prevention.
Description
Technical field
The present invention relates to gas-cooker technical field, the fixing timing anti-dry ignition controller that particularly a kind of plug valve formula gas-cooker is used.
Background technology
In the application history of gas-cooker, exhausted most family is because using gas-cooker to occur dry combustion method phenomenon, the generation of this kind of situation, and little damage culinary art food materials and pan, greatly can cause fire.Use anti-dry in gas-cooker process is the unfulfilled problem of the long-term exploration of those skilled in the art always.Wherein, the useful temperature sensor direct-detection cooking bottom temperature corresponding with burner center, thus reach the object of anti-dry.But due to each family pan shape used, not of uniform size, aforesaid way is difficult to the true temperature that allows temperature sensor and the bottom of a pan have good contact and then accurately detect the bottom of a pan, is difficult to reach the object of anti-dry.Simultaneously, even the bottom of a pan true temperature can be detected by complicated technological means, but due to user's height above sea level difference of living in, or adopt open type culinary art or use pressure cooker or select quick-fried, fried etc., the required temperature difference completely of food materials in its pot, difference can be very large, even if use complicated control mode, is also difficult to reach the object of anti-dry.
Adopting timing mode to prevent dry combustion method, is a comparatively desirable technical scheme.The gas utensil of existing a kind of peripheral hardware timer with artificial setting timing, if Chinese Patent Application No. is CN201310393825, name is called " gas-cooker of gas stove timing impulse controller and this impulse controller of employing " and discloses a kind of method of passing through to change software, the impulse controller of common not timing is upgraded to the commutator pulse controller with timing extinction function.We know, general gas stove with timing fire-out function if any timing is set, can play certain anti-dry effect in the time that user uses in the time of left unguarded, but anti-dry completely; When user does not arrange timing, do not have the effect of anti-dry.From above-mentioned patent application document, pressing in process of plug valve knob, likely the former timing of having set is cancelled, now gas-cooker does not just have the effect of anti-dry yet.Therefore, guarantee that dry combustion method phenomenon does not occur gas-cooker completely, existing timing gas cooker or the disclosed gas stove with timing fire-out function of above-mentioned patent application document, all cannot accomplish.
Summary of the invention
The fixing timing anti-dry ignition controller that the object of the present invention is to provide a kind of plug valve formula gas-cooker to use, it can make gas-cooker in burning work overall process, set time timer all can enter countdown duty automatically, realizes the object of complete anti-dry.
Technical solution proposed by the invention is such:
The fixing timing anti-dry ignition controller that a kind of plug valve formula gas-cooker is used, comprise the ignition controller being arranged on plug valve formula gas-cooker, gas-cooker is provided with multiple burners, each burner is equipped with plug valve, in described ignition controller, be provided with single-chip microcomputer, this single-chip microcomputer respectively with the high-voltage pulse generating circuit of corresponding burner, flame detection circuit, driving circuit for electromagnetic valve, warning circuit and plug valve microswitch are electrically connected, described high-voltage pulse generating circuit output is electrically connected with the ignition electrode that is contained in burner side, in described single-chip microcomputer, be provided with multiple burners set time timer one to one in multiple and kitchen range, described set time timer detects at the flame detection circuit of any corresponding burner that flame signal rises and enters countdown duty, in the course of the work, the plug valve microswitch of any burner of gas-cooker is switched on corresponding set time timer and replys timing and reenter countdown duty, in the time of corresponding set time timer countdown near zero, warning circuit action, drive alarm work, in the time of corresponding set time timer countdown to zero, corresponding driving circuit for electromagnetic valve quits work, corresponding closed electromagnetic valve combustion gas gas circuit.
The fixing timing scope that set time timer sets can be chosen 15～40 minutes, is based on the preferred time out of statistical method.Time of fire alarming section before set time timer countdown near zero is chosen 10～60 seconds.The magnetic valve that driving circuit for electromagnetic valve drives can be self-priming valve or hand push magnetic valve, and described self-priming valve is separately positioned in the blast tube of each burner in kitchen range, and described hand push magnetic valve is positioned at corresponding plug valve.Described alarm is the combination of luminescence display or luminescence display and buzzer.
Selecting fixing timing 15 to 40 minutes scopes, is the culinary art custom according to China most people and each department, even if left unguarded gas-cooker is also unlikely to occur dry combustion method phenomenon.And in above-mentioned timing interval, general culinary art also can complete substantially.In gas-cooker, each burner is independently provided with luminous alarm demonstration, near 1 o'clock of timing is arrived in corresponding set time timer work, corresponding luminescence display allows user tell the timing near zero of which burner, also can send chimes of doom simultaneously, now user only need click the plug valve knob of the burner of luminous alarm demonstration, its microswitch is connected, corresponding set time timer can be replied timing and be reentered countdown duty, as left unguarded, when countdown to zero, turn-off corresponding magnetic valve, therefore can ensure that gas-cooker, in work overall process, dry combustion method phenomenon can not occur.
Compared with prior art, the present invention has following remarkable result:
Gas-cooker of the present invention is under any duty, any one burner in kitchen range is 1 o'clock as long as arrive the timing countdown of its set time timer, can Self-shut electromagnetic valve, cut off gas circuit, and the selection of this fixing timing is can complete based on culinary art, even if left unguarded, also can safety shutdown magnetic valve.In the time having people to guard, as burner need work on,, as long as plug valve knob is pressed down, plug valve microswitch is connected once, and set time timer can be replied again timing and be reentered countdown duty.
When the present invention has ensured the each burner operation of gas-cooker all under the countdown Working Status Monitoring in corresponding set time timer, in the time having people to guard, in the time that the timing of some set time timers will arrive zero, burner as corresponding in gas-cooker need work on, there is alarm unit to remind, can continue easily to enter between next set time fixed time interval, can Self-shut electromagnetic valve during as left unguarded, make all monitoring in the set time of each correspondence timer countdown duty under any working condition of gas-cooker and each burner thereof, and this monitoring is irrevocable.Like this, just make gas-cooker of the present invention in work overall process, can realize the object of complete anti-dry.
Brief description of the drawings
Fig. 1 is the electrical structure schematic diagram of the fixing timing anti-dry ignition controller used of a kind of plug valve formula gas-cooker of one embodiment of the invention.
Detailed description of the invention
By embodiment below, the present invention is further elaborated.
Embodiment 1
Shown in Figure 1, the fixing timing anti-dry ignition controller that a kind of plug valve formula gas-cooker is used is made up of single-chip microcomputer 5, plug valve microswitch 1, ignition electrode 2, high-voltage pulse generating circuit 3, flame detection circuit 4, set time timer 6, warning circuit 7, alarm 8, driving circuit for electromagnetic valve 9.This ignition controller is arranged in plug valve formula gas-cooker, and this gas-cooker is provided with multiple burners, and the gas-cooker of the present embodiment is provided with two burners.Each burner is equipped with plug valve 1, high-voltage pulse generating circuit 3, flame detection circuit 4, warning circuit 7, alarm 8 and driving circuit for electromagnetic valve 9, and be electrically connected with the corresponding interface of single-chip microcomputer 5 respectively, the ignition electrode 2 of each burner is connected with corresponding high-voltage pulse generating circuit 3 outputs.Single-chip microcomputer 5 is provided with two and interior two burners set time timer 6 one to one of kitchen range, and described two set time timers 6 are connected with the cpu signal input in single-chip microcomputer 5 respectively.Described set time timer 6 detects at the flame detection circuit 4 of corresponding burner that flame signal rises and enters countdown duty, in the course of the work, the plug valve microswitch 1 of any burner of gas-cooker is switched on corresponding set time timer 6 and replys timing and reenter countdown duty, in the time of 6 countdown near zero of this set time timer, warning circuit 7 moves, drive alarm 8 to work, point out this gas-cooker whether to need to work on.In the time of set time timer 6 countdown to zero, corresponding driving circuit for electromagnetic valve 9 quits work, corresponding closed electromagnetic valve combustion gas gas circuit.
The fixing timing scope that set time timer 6 sets can be chosen 15～40 minutes.Time of fire alarming section before set time timer 6 countdowns near zero is chosen 10～60 seconds.The magnetic valve that driving circuit for electromagnetic valve 9 drives can be self-priming valve, can be also hand push magnetic valve, and self-priming valve is arranged in each burner blast tube, and hand push magnetic valve is located in plug valve.Alarm 8 is the combination of luminescence display or luminescence display and buzzer.
The gas-cooker of the present embodiment adopts two hand push magnetic valves respectively the blast tube of two burners to be done to break-make control, in single-chip microcomputer 5, establish two set time timers 6 corresponding with two burners respectively, two-way warning circuit 7 outputs are connected to respectively and two burners light emitting diode and shared buzzer one to one.In the time that the knob on the plug valve that wherein any burner is corresponding is pressed also turn, blast tube is connected and opened to plug valve microswitch 1, the driving circuit for electromagnetic valve 9 of ignition controller is worked, the adhesive of hand push magnetic valve, combustion gas enters in corresponding burner, and the electric spark that the high-voltage pulse being provided by corresponding high-voltage pulse generating circuit 3 sends by ignition electrode 2 is lighted.When corresponding flame detection circuit 4 detects after flare up fire, corresponding set time timer 6 enters countdown duty, and the timing of the set time timer 6 of the present embodiment is chosen 15 minutes.When the knob of above-mentioned plug valve is pressed and entered after ignition procedure, turn plug valve is opened air flue, as long as can flame be detected by flame detection circuit 4 in the several seconds of carrying out at ignition procedure, this burner will be worked to accident extinguishing always or artificially be closed fire or set time timer 6 countdowns to zero pass fire automatically.At said burner duration of work, as the plug valve of another burner of this gas-cooker carries out ignition operation as described above, another set time timer 6 can enter 15 minutes countdown duties.In the above-mentioned course of work, as arbitrary plug valve knob clicks downwards and makes its microswitch 1 connect once, countdown duty all can be replied 15 minutes and be reentered to two set time timers 6.In the time that set time timer countdown to 14 minute remains 10 seconds in 50 seconds, warning circuit 7 drives alarm 8 to send prompt tone and luminescence display, now guard and do not need to close the words of burner if any people, only need press the knob of corresponding plug valve, can reenter countdown in 15 minutes, otherwise gas-cooker work to corresponding set time timer 6 countdowns are 1 o'clock, ignition controller is just closed corresponding driving circuit for electromagnetic valve 9, the de-valve of corresponding hand push magnetic valve, combustion gas is cut off, gas-cooker safe shutdown.In the present embodiment, set set time timer 6 countdowns to 14 points 50 seconds, while remaining 10 seconds, ignition controller starts warning circuit 7, drives alarm 8 to send prompt tone and luminescence display to the countdown time is zero.
Embodiment 2
Shown in Figure 1, the plug valve formula gas-cooker of the present embodiment is provided with four burners, and each burner is equipped with respectively hand push magnetic valve on corresponding plug valve, and all the other structures are identical with embodiment 1.In the single-chip microcomputer 5 of ignition controller, be respectively equipped with four and interior four burners set time timer 6 one to one of kitchen range, each burner is also respectively equipped with corresponding peripheral hardware timer.The timing of set time timer 6 is chosen 40 minutes.After arbitrary burner igniting enters duty, corresponding set time timer 6 starts countdown, enters successively ignition operation state therebetween if any other burners, and its corresponding set time timer 6 all can enter from 40 minutes countdown duty.Also externally establish timer when arbitrary burner operation and set timing, this burner is controlled by its peripheral hardware timer, neither affect other burner operation, not controlled by the set time timer 6 of its corresponding burner, in the time that the timing countdown of peripheral hardware timer is zero, this burner cuts out; When in the time of burner operation, peripheral hardware timer is established back to zero timing, set time timer 6 recovers to control.When set time timer 6 as in Example 1 its countdown more than 60 seconds time, alarm 8 sends prompt tone and luminescence display, now, as gas-cooker need work on, click corresponding plug valve knob, connect plug valve microswitch 1, set time timer reenters countdown by 40 minutes timings, in the time that countdown is zero, corresponding driving circuit for electromagnetic valve 9 quits work, and corresponding hand push magnetic valve power-off is also closed the air flue of burner.
Claims (6)
1. the fixing timing anti-dry ignition controller that plug valve formula gas-cooker is used, comprise the ignition controller being arranged on plug valve formula gas-cooker, gas-cooker is provided with multiple burners, each burner is equipped with plug valve, in described ignition controller, be provided with single-chip microcomputer, this single-chip microcomputer respectively with the high-voltage pulse generating circuit of corresponding burner, flame detection circuit, driving circuit for electromagnetic valve, warning circuit and plug valve microswitch are electrically connected, described high-voltage pulse generating circuit output is electrically connected with the ignition electrode that is contained in burner side, it is characterized in that: in described single-chip microcomputer, be provided with multiple burners set time timer one to one in multiple and kitchen range, described set time timer detects at the flame detection circuit of any corresponding burner that flame signal rises and enters countdown duty, in the course of the work, the plug valve microswitch of any burner of gas-cooker is switched on corresponding set time timer and replys timing and reenter countdown duty, in the time of corresponding set time timer countdown near zero, warning circuit action, drive alarm work, in the time of corresponding set time timer countdown to zero, corresponding driving circuit for electromagnetic valve quits work, corresponding closed electromagnetic valve combustion gas gas circuit.
2. the fixing timing anti-dry ignition controller that plug valve formula gas-cooker according to claim 1 is used, is characterized in that: the fixing timing scope that described set time locator sets is 15～40 minutes.
3. the fixing timing anti-dry ignition controller that plug valve formula gas-cooker according to claim 1 is used, is characterized in that: the time of fire alarming section before described set time timer countdown near zero is 10～60 seconds.
4. the fixing timing anti-dry ignition controller that plug valve formula gas-cooker according to claim 1 is used, is characterized in that: the magnetic valve that described driving circuit for electromagnetic valve drives adopts self-priming valve, is arranged in the blast tube of corresponding burner.
5. the fixing timing anti-dry ignition controller that plug valve formula gas-cooker according to claim 1 is used, is characterized in that: the magnetic valve that described driving circuit for electromagnetic valve drives adopts hand push magnetic valve, and this hand push magnetic valve is located in plug valve.
6. the fixing timing anti-dry ignition controller that plug valve formula gas-cooker according to claim 1 is used, is characterized in that: described alarm is the combination of luminescence display or luminescence display and buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410283981.5A CN104006420B (en) | 2014-06-24 | 2014-06-24 | A kind of fixing timing anti-dry ignition controller of cock valve type gas-cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410283981.5A CN104006420B (en) | 2014-06-24 | 2014-06-24 | A kind of fixing timing anti-dry ignition controller of cock valve type gas-cooker |
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| CN104006420A true CN104006420A (en) | 2014-08-27 |
| CN104006420B CN104006420B (en) | 2016-09-14 |
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| CN201410283981.5A Active CN104006420B (en) | 2014-06-24 | 2014-06-24 | A kind of fixing timing anti-dry ignition controller of cock valve type gas-cooker |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266232A (en) * | 2014-10-09 | 2015-01-07 | 潘兆铿 | Ignition controller for gas stove powered by battery with power energy conservation |
| CN109579069A (en) * | 2018-11-21 | 2019-04-05 | 佛山市顺德区美的洗涤电器制造有限公司 | The anti-dry control method of kitchen range |
| CN109654547A (en) * | 2019-02-01 | 2019-04-19 | 青岛海尔智能技术研发有限公司 | Gas-cooker and control method for gas-cooker |
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| CN86203364U (en) * | 1986-05-21 | 1987-05-27 | 潘兆铿 | Simple logic circuit type multichannel programmable time controllor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104266232A (en) * | 2014-10-09 | 2015-01-07 | 潘兆铿 | Ignition controller for gas stove powered by battery with power energy conservation |
| CN109579069A (en) * | 2018-11-21 | 2019-04-05 | 佛山市顺德区美的洗涤电器制造有限公司 | The anti-dry control method of kitchen range |
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| CN109654547A (en) * | 2019-02-01 | 2019-04-19 | 青岛海尔智能技术研发有限公司 | Gas-cooker and control method for gas-cooker |
| CN109654547B (en) * | 2019-02-01 | 2024-04-16 | 青岛海尔智能技术研发有限公司 | Gas stove and control method for gas stove |
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| CN104006420B (en) | 2016-09-14 |
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Effective date of registration: 20211202 Address after: 528000 warehouse 8-9, one of the third and fourth floors on the first floor of No. 1 self compiled in No. 3, Nanqi street, light industry, Chancheng District, Foshan City, Guangdong Province Patentee after: Foshan Chancheng Hengdeli Electric Appliance Factory Address before: 528000 west of the third floor, No.3, area a, Zhangcha Yudai garment city center, No.178, Longsha Third Road, Chancheng District, Foshan City, Guangdong Province Patentee before: FOSHAN XING HUO GAS APPLIANCE ELECTRONICS CO.,LTD. |