CN201255427Y - Multi-function ignitor pulse ignitor for multifunction kitchen range - Google Patents
Multi-function ignitor pulse ignitor for multifunction kitchen range Download PDFInfo
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- CN201255427Y CN201255427Y CNU2008200399346U CN200820039934U CN201255427Y CN 201255427 Y CN201255427 Y CN 201255427Y CN U2008200399346 U CNU2008200399346 U CN U2008200399346U CN 200820039934 U CN200820039934 U CN 200820039934U CN 201255427 Y CN201255427 Y CN 201255427Y
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Abstract
The utility model relates to a multi-function cooking utensil pulse igniter, which is provided with a power source, a transistor oscillator circuit, a high-voltage boosting coil, a semi-conductor discharging pipe, an ignition switch and a thermocouple dual-coil electromagnetic valve that is used for closing the gas circuit of the cooking utensil; the pulse igniter is also provided with an anti-interference startup circuit and an anti-interference revertive impulse circuit; the anti-interference startup circuit consists of a first running-discharging comparator (IC1); the input end of the first running-discharging comparator (IC1) is connected with a voltage-dividing resistor, a temperature sensor and a resistor (R14) to form a voltage-dividing comparison circuit; the pulse igniter is also provided with a third running-discharging comparator (IC3), and the input end of the third running-discharging comparator (IC3) is connected with a resistance capacitor to form a revertive impulse current delay circuit, and the output end of the third running-discharging comparator (IC3) is connected with an auxiliary coil in the thermocouple dual-coil electromagnetic valve.
Description
Technical field
The utility model relates to the parts of gas kitchen ranges, especially relates to gas kitchen ranges igniting safety block.
Background technology
The most pulse igniters and thermocouple and magnetic valve of adopting of gas kitchen ranges are formed protector of accident extinguishing in the market; being the user can in time cut off source of the gas when flame-out using gas kitchen ranges in a single day to meet accident; stop gas leakage, prevented the generation of major accident.But this flame-out protection device belongs to cold protection, when the user when using gas kitchen ranges in a single day dry combustion method to take place, above protective device is just powerless, may cause major accident as long-time dry combustion method, jeopardizes user's life and property safety.
Summary of the invention
The utility model purpose is: promptly have only the accident extinguishing protection for the deficiency that solves gas kitchen ranges protection in the market and do not have the protection of overheated dry-fire condition; proposing a kind of brand-new unexpected dry combustion method of collection accident extinguishing (cold conditions) (hot) and low-voltage warning is the gas kitchen ranges pulse igniter of one multifunctional safe protection, thereby makes the gas kitchen ranges security obtain comprehensive raising.
Technical solutions of the utility model are: the multifunctional fuel gas stove pulse igniter, comprise the thermocouple dual coil electromagnetic valve that is provided with power supply, transistor oscillator circuit, high voltage step-up coil, semiconductor discharge tube, ignition switch, closes the kitchen range gas circuit, be provided with anti-dry start-up circuit and anti-dry revertive impulsing circuit, the anti-dry start-up circuit is made of the first amplifier comparator IC1, and the first amplifier comparator IC1 input connects divider resistance and temperature sensor and resistance R 14 and constitutes the dividing potential drop comparison circuit; And be provided with the 3rd amplifier comparator IC3, and the 3rd amplifier comparator IC3 input is connected to resistance capacitance and constitutes the back pulse current delay circuit, and the 3rd amplifier comparator IC3 output connects secondary coil in the thermocouple dual coil electromagnetic valve.The anti-dry start-up circuit adopts in the formation of the electric resistance partial pressure and the first amplifier comparator IC1, the first amplifier comparator IC1 negative terminal connects the resistance type sensor of negative temperature coefficient and the resistance R 14 of fixed resistance value, and the two ends of the resistance R 14 of fixed resistance value also and an electric capacity arranged.
Be provided with the anti-dry delayed alarm circuit, delayed alarm circuit is delay circuit or the time base circuit that is provided with the second amplifier comparator IC2 and capacitance resistance ware formation, the output connection sound or the light crossing-signal of the second amplifier comparator IC2 or time base circuit.
Be provided with four high guaily unit comparator IC4, four high guaily unit comparator IC4 negative input end is connected to divider resistance, the divider resistance two ends are connected to the 1.2V voltage reference module, four high guaily unit comparator IC4 positive input terminal is connected to two divider resistances, and four high guaily unit comparator IC4 output connection sound or light crossing-signal constitute the low-voltage warning circuit.
The anti-dry delayed alarm adopts resistance capacitance and comparator formation delay circuit, and with low voltage circuit report to the police shared sound or light crossing-signal.The delay time of back pulse current delay circuit is 0.3 second to 3 seconds.Three amplifier comparator IC3 outputs connect a crystal amplifier earlier, and crystal amplifier output connects secondary coil in the thermocouple dual coil electromagnetic valve again, and string has one 10 Ω to 15 Ω current-limiting resistance between the twin coil secondary coil.
The utility model is provided with left and right burner ignition function, and left burner (can a left side or right, or about simultaneously) is provided with anti-dry function, dry combustion method warning function and low-voltage warning function.
The protective device that the utility model multifunctional fuel gas stove pulse igniter and thermocouple magnetic valve and temperature sensor are formed not only can in time cut off source of the gas when accident is flame-out; and when kitchen range generation dry combustion method; when surpassing predefined temperature; the multifunctional fuel gas stove pulse igniter can be exported a back pulse electric current immediately; close magnetic valve; cut off source of the gas, send 10 seconds left and right sides buzzing chimes of dooms simultaneously.For making the pulser reliable operation, this pulser also is provided with the low-voltage warning function, when supply voltage is lower than 1.9V ± 0.15V, will sends the buzzing chimes of doom and remind the user in time to change battery when the user operates igniting.In sum, this multifunctional fuel gas stove pulse igniter not only can but also can also can both play safeguard protection down in overheated dry combustion method (hot) in accident flame-out (cold conditions), thereby improve the security that gas kitchen ranges uses greatly.
The beneficial effects of the utility model: can cut off source of the gas when the kitchen range accident extinguishing by the thermocouple magnetic valve.Give the solenoid valve shuts source of the gas and send the buzzing warning at the overheated afterpulse device output of the unexpected dry combustion method of kitchen range back pulse electric current by the thermocouple magnetic valve.When power supply is lower than 1.9V ± 0.15V, can send the warning reminding user and in time change battery, improve the security that kitchen range use comprehensively.The utility model design is small and exquisite, reliable, easy for installation, and from little power consumption, production cost is low.
Description of drawings
Fig. 1 is left and right firing circuit of the utility model multifunctional fuel gas stove pulse igniter, comprising transistor oscillating circuit, charge pumping circuit and left and right switch are arranged.
Fig. 2 is the utility model multifunctional fuel gas stove pulse igniter low-voltage warning circuit, comprising amplifier comparison amplifier IC4 and two component piezoresistances, 1.2V voltage reference module, Q1, Q2 transistor amplifier circuit are arranged.
Fig. 3 is the utility model multifunctional fuel gas stove pulse igniter anti-dry start-up circuit, warning circuit and anti-dry revertive impulsing circuit.
Specific implementation method
As shown in the figure: Fig. 1 is left and right firing circuit of the utility model multifunctional fuel gas stove pulse igniter, comprising transistor oscillating circuit, charge pumping circuit and left and right switch are arranged.Wherein K1, K2 are left and right burner ignition switch, and Q3 is the transistor oscillating tube, and T1 is a step-up transformer, and T2, T3 are the secondary booster high voltage package, and D5 is a commutation diode, and C3 is a storage capacitor, and D6 is a semiconductor discharge tube.
Fig. 2 is the utility model multifunctional fuel gas stove pulse igniter low-voltage warning circuit, comprising amplifier comparison amplifier IC4 and two component piezoresistances, 1.2V voltage reference module, Q1, Q2 transistor amplifier circuit are arranged.Wherein Q1, Q2 are crystal amplifier, and IC4 is the amplifier comparison amplifier, and D1 is the reference voltage module, and F is a buzzer.
Fig. 3; the utility model multifunctional fuel gas stove pulse igniter anti-dry start-up circuit, warning circuit and anti-dry revertive impulsing circuit; comprising forming the dividing potential drop comparison circuit, reach holding circuit, the Q4 transistor amplifier circuit of C7, C8, R27 composition by amplifier comparison amplifier IC1, divider resistance and temperature sensor and R14.Also include amplifier comparison amplifier IC2 and resistance capacitance delayed alarm circuit, the back pulse current circuit that amplifier comparison amplifier IC3 and resistance capacitance Q5 form.Wherein Q4, Q5 are crystal amplifier; IC1 is the amplifier comparison amplifier; RM is a temperature sensor probe, and C7, C8, R27 form holding circuit, and IC2 is the amplifier comparison amplifier; R19, R20 are divider resistance; C4, R18 form delayed alarm circuit, and IC3 is the amplifier comparison amplifier, C5, the R22 revertive impulsing circuit of delaying time; R26 is a current-limiting resistance, and W is a secondary coil in the thermocouple dual coil electromagnetic valve.
Pulse igniter is connected DC3V power supply (No. 1 battery of two joints) kitchen range and is in holding state, connect the K1 switch, transistor Q3 starting oscillation, T1 boosts by step-up transformer, the D5 rectification is also charged to C3 electric capacity, D6 semiconductor discharge tube discharge after reaching certain voltage, this electric current produces 1.5 ten thousand volts of above high voltage pulses by the T2 primary coil with time utmost point coupling and lights kitchen range, unclamping the K1 igniting stops, anti-dry GSK1 switch is switched on simultaneously, kitchen range are in the anti-dry holding state, (in the middle of the K1 burner temperature sensor is installed, thermocouple dual coil electromagnetic valve also is equipped with in the position in addition).
Be provided with the first amplifier comparator IC1 and temperature sensor and sample resistance bleeder circuit and constitute the dry combustion method alternative route, C5, the R22 revertive impulsing circuit of delaying time, R26 is a current-limiting resistance, W is a secondary coil in the thermocouple dual coil electromagnetic valve.When temperature sensor probe RM did not reach the temperature of setting, amplifier comparator IC1 did not overturn, and still exports high potential, not conducting of transistor Q4, and IC2, IC3 are failure to actuate, and kitchen range are normally kept burning.When temperature sensor probe RM meets and exceeds the temperature of setting, amplifier comparator IC1 end upset output negative potential, transistor Q4 is conducting immediately also, IC2, IC3 amplifier comparator be the negative potential of upset output simultaneously immediately, the Q5 conducting of leading up to is exported a back pulse electric current of 0.3～3 second to the secondary coil in the dual coil electromagnetic valve through the R26 current limliting, force magnetic valve to cut off source of the gas immediately, another road makes transistor Q1 conducting by R22, D9, the F buzzer gets the electric buzzing warning of sending, and time length is adjusted by C4, R18.
The enforcement of undervoltage warning function, when GSK1 is switched on, IC4 just electric in running order, otherwise opposite.When connecting K1 or K2 switch, make transistor Q2 conducting by D3 or D4 and R8, amplifier comparator IC4 negative terminal is connected to R4, two identical divider resistances of resistance of R5, these divider resistance two ends also and a 1.2V voltage reference module arranged, R3 is a current-limiting resistance, so amplifier comparator negative terminal voltage is locked into 0.6V (supply voltage greater than 1.6V time), the IC4 anode also is connected to R1, R2 two divider resistances, the upper end of divider resistance links to each other with supply voltage, because R1, R2 is chosen in advance, making supply voltage dividing point voltage when 1.9 ± 0.15V is 0.6V, so when supply voltage during greater than 1.9 ± 0.15V, the positive terminal potential of comparator IC4 is higher than the negative terminal current potential, comparator output high potential, not conducting of Q1, buzzer is not reported to the police.When supply voltage was lower than 1.9 ± 0.15V, the comparator negative terminal voltage was higher than positive terminal voltage, and comparator IC4 exports negative potential, made transistor Q1 conducting by R7, D2, and buzzer F gets electric alarm.Unclamp K1 or K2, because not conducting of Q2 comparator IC4 negative terminal can not get electricity, the positive terminal potential of IC4 is higher than negative terminal, still exports high potential, not conducting of Q1, and buzzer F can not get electricity and does not report to the police.
Claims (7)
1, multifunctional stove pulse igniter, constitute by power supply, transistor oscillator circuit, high voltage step-up coil, semiconductor discharge tube, ignition switch, the thermocouple dual coil electromagnetic valve of closing the kitchen range gas circuit, it is characterized in that being provided with anti-dry start-up circuit and anti-dry revertive impulsing circuit, the anti-dry start-up circuit is made of the first amplifier comparator IC1, and the first amplifier comparator IC1 input connects divider resistance and temperature sensor and resistance R 14 and constitutes the dividing potential drop comparison circuit; And be provided with the 3rd amplifier comparator IC3, and the 3rd amplifier comparator IC3 input is connected to the resistance capacitance delay cell and constitutes the back pulse current delay circuit, and the 3rd amplifier comparator IC3 output connects secondary coil in the thermocouple dual coil electromagnetic valve.
2, multifunctional stove pulse igniter according to claim 1, it is characterized in that also comprising the anti-dry delayed alarm circuit, delayed alarm circuit is delay circuit or the time base circuit that is provided with the second amplifier comparator IC2 and capacitance resistance ware formation, the output connection sound or the light crossing-signal of the second amplifier comparator IC2 or time base circuit.
3, multifunctional stove pulse igniter according to claim 1, it is characterized in that also comprising four high guaily unit comparator IC4, four high guaily unit comparator IC4 negative input end is connected to divider resistance, the divider resistance two ends are connected to the 1.2V voltage reference module, four high guaily unit comparator IC4 positive input terminal is connected to two divider resistances, and four high guaily unit comparator IC4 output connection sound or light crossing-signal constitute the low-voltage warning circuit.
4, according to the described multifunctional stove pulse igniter of claim 1, it is characterized in that the anti-dry start-up circuit adopts the formation of the electric resistance partial pressure and the first amplifier comparator IC1, the first amplifier comparator IC1 negative terminal connects the resistance type sensor of negative temperature coefficient and the resistance R 14 of fixed resistance value, the two ends of the resistance R 14 of a fixed resistance value electric capacity in parallel.
5, according to the described multifunctional stove pulse igniter of claim 2, it is characterized in that the anti-dry delayed alarm adopts resistance capacitance and comparator formation delay circuit, and with low voltage circuit report to the police shared sound or light crossing-signal.
6, according to the described multifunctional stove pulse igniter of claim 1, the parameter that it is characterized in that the resistance capacitance delay cell of described back pulse current delay circuit is 0.3 second to 3 seconds.
7, according to the described multifunctional stove pulse igniter of claim 1, it is characterized in that the 3rd amplifier comparator IC3 output connects a crystal amplifier, crystal amplifier output connects secondary coil in the thermocouple dual coil electromagnetic valve again, and string has one 10 Ω to 15 Ω current-limiting resistance between the secondary coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200399346U CN201255427Y (en) | 2008-07-08 | 2008-07-08 | Multi-function ignitor pulse ignitor for multifunction kitchen range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200399346U CN201255427Y (en) | 2008-07-08 | 2008-07-08 | Multi-function ignitor pulse ignitor for multifunction kitchen range |
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| Publication Number | Publication Date |
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| CN201255427Y true CN201255427Y (en) | 2009-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200399346U Expired - Lifetime CN201255427Y (en) | 2008-07-08 | 2008-07-08 | Multi-function ignitor pulse ignitor for multifunction kitchen range |
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| CN (1) | CN201255427Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494353A (en) * | 2011-12-07 | 2012-06-13 | 何林 | Electronic continuous igniter for gas stove |
| CN102913947A (en) * | 2012-11-11 | 2013-02-06 | 江帅辰 | High-efficiency electronic igniter |
| CN110242980A (en) * | 2019-05-23 | 2019-09-17 | 南京天富实业有限公司 | A kind of thermocouple solenoid valve wink suction type single needle sensing gas cooker pulse igniting controller |
| CN110906362A (en) * | 2019-12-06 | 2020-03-24 | 深圳市中微半导体有限公司 | Ignition control circuit for single-cell thermocouple kitchen range |
| CN113108311A (en) * | 2021-04-14 | 2021-07-13 | 南京天富实业有限公司 | Pulse ignition controller with child lock function |
-
2008
- 2008-07-08 CN CNU2008200399346U patent/CN201255427Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494353A (en) * | 2011-12-07 | 2012-06-13 | 何林 | Electronic continuous igniter for gas stove |
| CN102494353B (en) * | 2011-12-07 | 2013-08-21 | 何林 | Electronic continuous igniter for gas stove |
| CN102913947A (en) * | 2012-11-11 | 2013-02-06 | 江帅辰 | High-efficiency electronic igniter |
| CN110242980A (en) * | 2019-05-23 | 2019-09-17 | 南京天富实业有限公司 | A kind of thermocouple solenoid valve wink suction type single needle sensing gas cooker pulse igniting controller |
| CN110906362A (en) * | 2019-12-06 | 2020-03-24 | 深圳市中微半导体有限公司 | Ignition control circuit for single-cell thermocouple kitchen range |
| CN113108311A (en) * | 2021-04-14 | 2021-07-13 | 南京天富实业有限公司 | Pulse ignition controller with child lock function |
| CN113108311B (en) * | 2021-04-14 | 2023-09-12 | 南京天富实业有限公司 | Pulse ignition controller with child lock function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090610 |