CN102494353A

CN102494353A - Electronic continuous igniter for gas stove

Info

Publication number: CN102494353A
Application number: CN2011104016185A
Authority: CN
Inventors: 何林
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-07
Filing date: 2011-12-07
Publication date: 2012-06-13
Anticipated expiration: 2031-12-07
Also published as: CN102494353B

Abstract

The invention relates to an electronic continuous igniter for a gas stove. The igniter consists of a 3V direct-current power supply, a linkage ignition switch, a power conversion and time delay circuit and an oscillation circuit and high-voltage discharging mechanism, wherein the linkage ignition switch consists of single-pole double-throw micro switches K1 and K2 and electrolytic capacitors C1 and C2; the power conversion and time delay circuit consists of a P-trench field effect tube VT1 and resistors R1 and R2; and the oscillation circuit and high-voltage discharging mechanism consists of a PNP-type transistor VT2, an oscillation transformer B, a resistor R3 and a high-voltage discharging end. According to the electronic continuous igniter, an ignition process is finished by generating 4,000V pulse high voltage through the oscillation circuit by 3V low-voltage direct current and instantly discharging through a high-voltage tip end to form a spark; and the problems existing in piezoelectric ignition matches, igniters and the like are solved. In spite of in families, hotels and hotel kitchens, the igniter has a good effect; furthermore, the operating method and the operating time are always the same even the igniter is operated by different people; and the ignition time is not required to be controlled manually.

Description

Gas-cooker electronics continuity point firearm

Technical field

The invention belongs to the application of electronic technology field, relate to a kind of gas-cooker electronics continuity point firearm.

Background technology

The igniter of liquefied gas, gas-cooker great majority sampling piezoelectricity mode is lighted a fire on the market, and the assembly structure of piezoelectrics is simple, cost of manufacture is low is its significant advantage.But piezoelectrics are when brand-new state, and the effect of generally lighting a fire is fine, in case the piezoelectrics use is of a specified duration, its result of use of the more back of putty absorption is had a greatly reduced quality immediately, needs repeatedly big fire just can light combustion gas sometimes.In addition, piezoelectrics and user's operation skill, action speed have much relations, exist the phenomenon that varies with each individual.

Gas-cooker electronics continuity point firearm of the present invention is that the 3V low-voltage DC is produced the high voltage pulse of 4000V through oscillating circuit, and sparking through high tag forms spark and accomplish the electronic ignition process.Igniter of the present invention only uses 2 joint common batteries, can well solve the piezo-electric ignition mode and have problems, defectives such as the inconvenience that also can stop to be brought because of lighting a fire with match, lighter and danger.No matter the present invention is to use in general family, still master workers' use in hotel, kitchen, hotel, and electronics continuity point firearm all shows effect preferably.Method of operating and operating time can not vary with each individual, and not needing the people is the conduction time of control point firearm, and automatically controlled by circuit the duration of ignition of continuous impulse.

Below specify gas-cooker electronics continuity point firearm of the present invention related correlation technique content in manufacturing process.

Summary of the invention

Goal of the invention and beneficial effect: gas-cooker electronics continuity point firearm of the present invention is with the high voltage pulse of 3V low-voltage DC through oscillating circuit generation 4000V, and sparking through high tag forms spark completion electronic ignition process.The invention solves the problem that the piezo-electric ignition mode exists, stopped with problems such as match, lighter igniting inconvenience and danger.No matter the present invention is to use in general family, still master workers' use in hotel, kitchen, hotel, and electronics continuity point firearm all shows better effects.Method of operating and operating time can not vary with each individual, and not needing the people is the duration of ignition of control point firearm.

The operation principle of circuit: the circuit of gas-cooker electronics continuity point firearm adopts oscillating circuit to produce the high voltage pulse of 4000V, utilizes electrion to give me a little coal gas.If when burnt gas switch was in closed condition, electrochemical capacitor C1 or C2 were recharged, when opening the burnt gas switch knob; Be switched on the single-pole double throw microswitch K1 of burnt gas switch knob interlock or the normally opened contact among the K2 (interlock ignition switch); Electrochemical capacitor C1 or C2 make the grid of P-channel field-effect transistor (PEFT) pipe VT1 become high level through microswitch K1 or K2, and the conducting of P-channel field-effect transistor (PEFT) pipe VT1 makes oscillating circuit obtain power supply, the boost high voltage pulse of about 4000V of the secondary coil of oscillation transformer B; Make the electrion mechanism ignition operation several seconds; When electrochemical capacitor C1 or C2 discharge off, P-channel field-effect transistor (PEFT) pipe VT1 changes over to and ends, and ignition process is accomplished.Select suitable electrochemical capacitor C1 or C2, resistance R 1 or R2, FET VT1 ON time was kept 2～3 seconds, to guarantee that combustion gas can be lighted continuously.No matter single-pole single-throw(SPST microswitch K1 or K2 are where, and after igniting finished, oscillating circuit all was in the state of stopping power supply.When closing burnt gas switch,, be the charging of electrochemical capacitor C1 or C2 once more with the negative pole that the single-pole single-throw(SPST microswitch K1 or the K2 of its interlock receives electrochemical capacitor C1 or C2 again.

Technical characterictic: gas-cooker electronics continuity point firearm, form by 3V dc source, interlock ignition switch, power supply conversion and delay circuit, oscillating circuit and electrion mechanism, it is characterized in that:

The interlock ignition switch: single-pole double throw microswitch K1 and K2, electrochemical capacitor C1 and C2 form; The negative pole of electrochemical capacitor C1 links to each other with the common port of single-pole double throw microswitch K1; The negative pole of electrochemical capacitor C2 links to each other with the common port of single-pole double throw microswitch K2; The anodal connection circuit ground GND of electrochemical capacitor C1 and C2, the normally-closed contact of the normally-closed contact of single-pole double throw microswitch K1 and single-pole double throw microswitch K2 meets the negative pole VCC of 3V dc source;

Power supply conversion and delay circuit: form by P-channel field-effect transistor (PEFT) pipe VT1 and resistance R 1, R2; The end of P-channel field-effect transistor (PEFT) pipe VT1 grid connecting resistance R1 and an end of resistance R 2; The normally opened contact of the other end order dpdt double-pole double-throw (DPDT) microswitch K1 of resistance R 1; The normally opened contact of the other end order dpdt double-pole double-throw (DPDT) microswitch K2 of resistance R 2, the source electrode of P-channel field-effect transistor (PEFT) pipe VT1 meets the negative pole VCC of 3V dc source, and the drain electrode of P-channel field-effect transistor (PEFT) pipe VT1 connects the end of the same name of oscillation transformer B primary coil L1;

Oscillating circuit and electrion mechanism: form by PNP transistor VT2, oscillation transformer B, resistance R 3 and electrion end; The end of the base stage connecting resistance R3 of PNP transistor VT2; Another termination oscillation transformer B primary coil L1 non-same polarity of resistance R 3; The drain electrode of the termination P-channel field-effect transistor (PEFT) pipe VT1 of the same name of oscillation transformer B primary coil L2, the colelctor electrode of PNP transistor VT2 connects the other end of oscillation transformer B primary coil L2, the emitter stage connection circuit ground GND of PNP transistor VT2; The metal shell of the termination gas kitchen ranges of oscillation transformer B step-up coil L3, another termination electrion end of oscillation transformer B step-up coil L3.

Description of drawings

Accompanying drawing 1 is the embodiment circuit working schematic diagram that the present invention provides a gas-cooker electronics continuity point firearm; The positive pole of 3V dc source links to each other with the metal shell of circuit ground GND, gas kitchen ranges; When burnt gas switch is closed, with the single-pole double throw microswitch K1 of burnt gas switch knob interlock and the public termination normally-closed contact among the K2.

The specific embodiment

According to circuit working schematic diagram and the description of drawings shown in the accompanying drawing 1, and according in the described each several part circuit of summary of the invention between the components and parts annexation and components and parts technical parameter implement to realize the present invention.

The selection of components and parts and technical parameter thereof

VT1 is the high-power effect pipe of P ditch place where Taoist rites are performed, and FET is a most important power component in the circuit, requires to insert the very little P-channel field-effect transistor (PEFT) pipe of loss, and model is recommended IRF9Z22, the TO-220 encapsulation, or select IRF9Z30 for use; VT2 is a power transistor in the positive-negative-positive, and model recommends 2SC9012 to be encapsulated as TO-92, perhaps selects 2SC9015 for use;

The resistance of resistance R 1, R2 is 270～430K Ω, power >=1/4W; The resistance of resistance R 3 is 1.4～2.2K Ω, and power is 1/4W; The capacity of electrochemical capacitor C1, C2 is 68～100 μ F/16V.

The making of oscillation transformer B: FERRITE CORE is selected model EI35 for use, and lingual surface size 8.5mm * 8.5mm, primary coil L1, L2 select ￠ 0.20mm enamel-covered wire for use, and the sub-thread layering is flat around 30 circles, 40 circles on the magnetic core skeleton; Secondary coil L3 is flat around 500～550 circles with the layering of sub-thread ￠ 0.08mm enamel-covered wire; The oscillation transformer coiling is tied up with electrician's adhesive waterproof tape after accomplishing, and soaks the envelope protection against the tide with 504 epoxy glues or with A, B glue again.

Circuit debugging

Very simple because of the circuit structure of gas-cooker electronics continuity point firearm, make than being easier to; Generally speaking as long as the components and parts performance of using is intact; The physical connection of components and parts is correct, and the circuit of this generator need not carry out any debugging just can operate as normal;

The decision of the size of the capacity of electrochemical capacitor C1 or C2 and resistance R 1 or R2 resistance is the time of igniting continuously, just controls the conducting retention time of P-channel field-effect transistor (PEFT) pipe VT1, and general continuous reaches 2～3 seconds and get final product the duration of ignition;

If oscillating circuit can not starting of oscillation, showing as oscillation transformer B step-up coil L3 does not have high pressure output, then as long as the two ends of oscillation transformer B primary coil L1 or the two ends of primary coil L2 are exchanged;

The resistance size of resistance R 3 has determined the operating current of boost oscillator circuit in the oscillating circuit, is the operating current of PNP transistor VT2.The adjustment principle is: when guaranteeing that battery electric quantity reduces, ignitor circuit still can normal operation under, resistance R 3 values should be tried one's best greatly so that reduce the operating current of oscillating circuit, the service life of prolongation battery.

Claims

1. a gas-cooker electronics continuity point firearm is made up of 3V dc source, interlock ignition switch, power supply conversion and delay circuit, oscillating circuit and electrion mechanism, it is characterized in that:

The interlock ignition switch is made up of single-pole double throw microswitch K1 and K2, electrochemical capacitor C1 and C2; The negative pole of electrochemical capacitor C1 links to each other with the common port of single-pole double throw microswitch K1; The negative pole of electrochemical capacitor C2 links to each other with the common port of single-pole double throw microswitch K2; The anodal connection circuit ground GND of electrochemical capacitor C1 and C2, the normally-closed contact of the normally-closed contact of single-pole double throw microswitch K1 and single-pole double throw microswitch K2 meets the negative pole VCC of 3V dc source;

Power supply conversion and delay circuit are made up of P-channel field-effect transistor (PEFT) pipe VT1 and resistance R 1, R2; The end of P-channel field-effect transistor (PEFT) pipe VT1 grid connecting resistance R1 and an end of resistance R 2; The normally opened contact of the other end order dpdt double-pole double-throw (DPDT) microswitch K1 of resistance R 1; The normally opened contact of the other end order dpdt double-pole double-throw (DPDT) microswitch K2 of resistance R 2, the source electrode of P-channel field-effect transistor (PEFT) pipe VT1 meets the negative pole VCC of 3V dc source, and the drain electrode of P-channel field-effect transistor (PEFT) pipe VT1 connects the end of the same name of oscillation transformer B primary coil L1;

Oscillating circuit and electrion mechanism are made up of PNP transistor VT2, oscillation transformer B, resistance R 3 and electrion end; The end of the base stage connecting resistance R3 of PNP transistor VT2; Another termination oscillation transformer B primary coil L1 non-same polarity of resistance R 3; The drain electrode of the termination P-channel field-effect transistor (PEFT) pipe VT1 of the same name of oscillation transformer B primary coil L2, the colelctor electrode of PNP transistor VT2 connects the other end of oscillation transformer B primary coil L2, the emitter stage connection circuit ground GND of PNP transistor VT2; The metal shell of the termination gas kitchen ranges of oscillation transformer B step-up coil L3, another termination electrion end of oscillation transformer B step-up coil L3.