CN101598354B - Gas stove ignition device - Google Patents
Gas stove ignition device Download PDFInfo
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- CN101598354B CN101598354B CN 200910100232 CN200910100232A CN101598354B CN 101598354 B CN101598354 B CN 101598354B CN 200910100232 CN200910100232 CN 200910100232 CN 200910100232 A CN200910100232 A CN 200910100232A CN 101598354 B CN101598354 B CN 101598354B
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Abstract
The invention relates to a gas stove ignition device, comprising an igniter, a gas source electromagnetic valve coil and a thermocouple; the ignition device is characterized in that: the ignition device also comprises a delay driving circuit, the positive input end of the delay driving circuit power is connected with the positive of a power supply, the negative input end of the delay driving circuit power is connected with the negative of the power supply; the trigger end of the delay driving circuit is connected with the output end of the igniter, in addition, the output end of the delay driving circuit is connected with the gas source electromagnetic valve coil which is connected with the thermocouple in serial, the delay driving circuit can always keep the circuit conducting before the thermocouple is up to the electromotive force capable of sucking the gas source electromagnetic valve. Compared with the prior art, the ignition device sets up the delay driving circuit in the gas appliance ignition device, and the delay driving circuit can maintain the open time of the electromagnetic valve, thus users can successfully ignite without the need of pressing and turning on an ignition knob and then waiting a while, and the use is more convenient.
Description
Technical field
The present invention relates to a kind of ignition control device of kitchen range, particularly relate to a kind of quick nothing embedded or desk-top gas-cooker and wait for igniter.
Background technology
The gas kitchen ranges industry is through ten years development, and its security is existing significantly to improve, and safety guard is also developed greatly.The most frequently used sparking mode of gas kitchen ranges has two kinds usually: a kind of is thermojunction type, and another kind is an ion induction pin type.Adopt the sparking mode of ion induction pin type can realize quick igniting, but because the reaction of inductive needle is relatively sensitiveer, in case there is flame to leave syringe needle, flame will extinguish automatically, be easy to like this produce and close the valve phenomenon automatically, make that igniting is unstable in the use; And adopt thermocouple is more traditional sparking mode, its structural safety, reliable, but the thermal capacity of thermocouple itself is bigger, and variation of temperature is had inertia, must pin knob in the time of each the igniting and wait for several seconds, short 2～3 seconds, long needs 15 seconds just can let go after waiting flame that the temperature of thermocouple is elevated to enough unlatching source of the gas magnetic valves, otherwise it are flame-out to occur loosing one's grip, make troubles to user's use, can't continue to satisfy the quick firing requirement of user.
At present, exist a kind of nothing to wait for igniter on the market, after pressing the microswitch of valve body, by a circuit electric current of battery is directly acted on magnetic valve, the positive opening valve body is to realize the not having igniting of wait.This nothing waits for sparking mode because switch positive opening valve body synchronously just when pressing, in case when flame-out, valve body is still opened, and in use has serious potential safety hazard.
And for example the patent No. is that the Chinese utility model " gas-cooker node fast igniting and flame-out protection device " of ZL02268964.8 is provided with ion inductive impulse device in firing circuit; be provided with thermocouple; the inducing probes of said ion inductive impulse device is installed near the burner; its output is connected with the ion induction contact pin of magnetic valve one end; increase by an economize on electricity magnet valve Energy-saving coil in the magnetic valve again; one end ground connection; the other end is connected with thermocouple; the backward voltage output of ion inductive impulse device is connected with the voltage output end of Energy-saving coil, and the quick pick-up end is connected with the pull-in winding of magnetic valve.But, above-mentioned patent need be provided with ion inductive impulse device, inducing probes and be connected induction contact pin on the magnetic valve in circuit, the design parts are more, the structure relative complex, after ignition switch is pressed, ion inductive impulse device output voltage, and and then be added to by contact pin on the pull-in winding of magnetic valve, but the inducing probes reaction is relatively sensitiveer, can cause igniting unstable because interference causes accident extinguishing after the igniting, can't realize the igniting of fast and stable, still can cause inconvenience in the use, await to do further improvement to the user.
Summary of the invention
Technical problem to be solved by this invention is the gas range igniter that a kind of security reliability height and igniting fast and stable are provided at above-mentioned prior art present situation.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: the igniter of this gas-cooker includes
Igniter (1), its power supply (U) is taken from the battery on the gas kitchen ranges, this igniter (1) is connected with the igniting pin (S) of discharge when ignition switch (K) is closed, and this igniter (1) also has the output (out1) that produces high-voltage pulse signal in described igniting pin (S) discharge back;
Source of the gas electromagnetic valve coil (L), the back adhesive source of the gas valve core of the electromagnetic valve and realize opening of gas-cooker source of the gas magnetic valve of can switching on; And
Thermocouple (T), contiguous burner setting also is connected in series with the source of the gas electromagnetic valve coil (L) of gas-cooker;
Also include a delay driving circuit (2), this delay driving circuit (2) includes the positive source input, the power cathode input, trigger end and output (out3), wherein, the positive source input of described delay driving circuit (2) links to each other with the positive pole of described power supply (U), the power cathode input of this delay driving circuit (2) and the negative pole of described power supply link to each other, the output (out1) of the trigger end of described delay driving circuit (2) and described igniter links to each other, when the output (out1) of described igniter is high level, described delay driving circuit (2) obtains triggering signal and conducting at trigger end, and, the output (out3) of described delay driving circuit (2) is connected with the source of the gas electromagnetic valve coil (L) with described thermocouple (T) serial connection, this delay driving circuit (2) at described thermocouple (T) but remain the circuit turn-on state before reaching the electromotive force of the described source of the gas magnetic valve of adhesive;
Described delay driving circuit (2) includes the timing auxiliary circuit (21) and the driving circuit for electromagnetic valve (22) of mutual serial connection, wherein, the working power positive terminal of described timing auxiliary circuit (21) links to each other with the positive pole of described power supply (U), the plus earth of this power supply (U), the working power negative pole end of this timing auxiliary circuit (21) and the negative pole of described power supply (U) link to each other, this regularly the output (out1) of the control end (ctr) of auxiliary circuit (21) and described igniter (1) link to each other and as the trigger end of whole delay driving circuit, and, the output (out2) of described timing auxiliary circuit (21) links to each other with the input of described driving circuit for electromagnetic valve (22), the output of this driving circuit for electromagnetic valve (22) is as the output (out3) of described delay driving circuit (2), and the output of described driving circuit for electromagnetic valve (22) links to each other with described source of the gas electromagnetic valve coil (L);
As preferably, described driving circuit for electromagnetic valve (22) includes the 5th resistance (R5), NPN type the 3rd triode (Q3), the 6th resistance (R6), second diode (D2) and the 7th resistance (R7), wherein, regularly output (out2) a tunnel of auxiliary circuit (21) links to each other through the base stage of described the 5th resistance (R5) with described the 3rd triode (Q3), another Lu Jingdi six resistance (R6) connect the negative pole of power supply (U), the emitter stage of described the 3rd triode (Q3) connects the negative pole of power supply (U), the colelctor electrode one tunnel of the 3rd triode (Q3) links to each other with the negative electrode of described second diode (D2), one end of another Lu Jingdi seven resistance (R7) and described source of the gas electromagnetic valve coil (L) links to each other, the other end of this source of the gas electromagnetic valve coil (L) connects the positive pole of described power supply (U), the plus earth of this power supply (U), the anode of described second diode (D2) links to each other with the negative pole of described power supply (U).
In order to prevent that inverse electromotive force from puncturing triode and other components and parts, described driving circuit for electromagnetic valve (22) also wraps and can be following circuit structure: this driving circuit for electromagnetic valve (22) includes the 5th resistance (R5), NPN type the 3rd triode (Q3), NPN type the 4th triode (Q4), the 6th resistance (R6), second diode (D2), the 7th resistance (R7) and the 8th resistance (R8), wherein, regularly output (out2) first via of auxiliary circuit (21) links to each other through the base stage of described the 5th resistance (R5) with described the 3rd triode (Q3), the second the tunnel links to each other through the base stage of described the 8th resistance (R8) with described the 4th triode (Q4), and Third Road connects the negative pole of power supply (U) through described the 6th resistance (R6); The colelctor electrode one tunnel of described the 3rd triode (Q3) links to each other with the negative electrode of described second diode (D2), one end of another Lu Jingdi seven resistance (R7) and described source of the gas electromagnetic valve coil (L) links to each other, the other end of this source of the gas electromagnetic valve coil (L) connects the positive pole of described power supply (U), the plus earth of this power supply (U), the anode of described second diode (D2) links to each other with the negative pole of described power supply (U); The emitter stage of described the 3rd triode (Q3) links to each other with the colelctor electrode of described the 4th triode (Q4), and the emitter stage of the 4th triode (Q4) connects the negative pole of power supply (U).
As preferably, described timing auxiliary circuit (21) includes first diode (D1), first electrochemical capacitor (C1), first resistance (R1), second resistance (R2), NPN type first triode (Q1), the 3rd resistance (R3), the 4th resistance (R4) and positive-negative-positive second triode (Q2), wherein, the anode of described first diode (D1) is the control end (ctr) of this timing auxiliary circuit (21), and, the output (out1) of the anode of described first diode (D1) and described igniter (1) links to each other, the negative electrode one tunnel of this first diode (D1) links to each other with the positive pole of first electrochemical capacitor (C1), the base stage of another road first resistance (R1) and described first triode (Q1) links to each other, the negative pole of described first electrochemical capacitor (C1) connects the negative pole of power supply (U), and the base stage of described first triode (Q1) connects the negative pole of power supply (U) through second resistance (R2), the emitter stage of described first triode (Q1) connects the negative pole of power supply (U), the colelctor electrode one tunnel of this first triode (Q1) links to each other through the positive pole of the 3rd resistance (R3) with power supply (U), the base stage of another Lu Jingdi four resistance (R4) and second triode (Q2) links to each other, the emitter stage of this second triode (Q2) connects the positive pole of power supply (U), and the colelctor electrode of second triode (Q2) links to each other as the output (out2) of this timing auxiliary circuit (21) and the input of described driving circuit for electromagnetic valve (22).
In order to prolong the ON time of the 3rd triode (Q3), guarantee the lasting adhesive of magnetic valve, described timing auxiliary circuit (21) also includes second electrochemical capacitor (C2), the positive pole of this second electrochemical capacitor (C2) links to each other with the negative electrode of described first diode (D1), and the colelctor electrode of the negative pole of this second electrochemical capacitor (C2) and described second triode (Q2) connects the back altogether and links to each other as the output (out2) of described timing auxiliary circuit (21) and the input of described driving circuit for electromagnetic valve (22).
Compared with prior art, the invention has the advantages that: in the burner igniter, be provided with delay driving circuit, this delay driving circuit can be kept the time that magnetic valve is opened, guarantee that thermocouple is preheating to the electromotive force of absorption electromagnetic valve coil, if igniting back fray-out of flame, thermocouple can't be preheating to the electromotive force that the absorption magnetic valve is opened, after the time-delay of setting, magnetic valve can cut out again automatically, the existing electric current with battery of comparing directly acts on magnetic valve and the igniter of positive opening valve body, and security is higher.Therefore, use igniter of the present invention, the user can loose one's grip after pressing ignition knob immediately, delay driving circuit can prolong the time of the duration of ignition and the unlatching of source of the gas magnetic valve, the user not need press and the ignition knob of outwarding winding after continue for some time again and can successfully light a fire, use convenient.
Description of drawings
Fig. 1 is the igniter syndeton schematic diagram of the embodiment of the invention.
Fig. 2 is the circuit connection diagram of delay driving circuit of the present invention.
Fig. 3 is another circuit connection diagram of delay driving circuit of the present invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, be the igniter syndeton schematic diagram of eyes kitchen range, two independent respectively settings of burner are independent of each other, and this igniter includes
Igniter 1, its power supply U takes from the battery on the gas kitchen ranges, the frame ground of gas kitchen ranges, and as the reference of power supply U ground, this igniter 1 is connected with the igniting pin S of discharge when ignition switch K is closed, and this igniter 1 also has the output out1 that produces high-voltage pulse signal in igniting pin S discharge back;
Source of the gas electromagnetic valve coil L, but after energising adhesive source of the gas valve core of the electromagnetic valve and realize opening of gas-cooker source of the gas magnetic valve;
Thermocouple T, contiguous burner setting also is connected in series with the source of the gas electromagnetic valve coil L of gas-cooker;
Delay driving circuit 2, the positive source input of this delay driving circuit 2 links to each other with the positive pole of power supply U, the power cathode input of delay driving circuit links to each other with the negative pole of power supply U, simultaneously, the plus earth of power supply U, the output out1 of the trigger end of delay driving circuit 2 and igniter links to each other, and, the output out3 of delay driving circuit 2 is connected with the source of the gas electromagnetic valve coil L with thermocouple T serial connection, but delay driving circuit 2 remained the circuit turn-on state reach the electromotive force of adhesive source of the gas magnetic valve at thermocouple T before.
So, after ignition switch is pressed, the igniting needle-discharging, igniter work is also exported high-voltage trigger signal and is given delay driving circuit, and delay driving circuit 2 and then startup source of the gas magnetic valve are opened, and, this source of the gas magnetic valve is opened the back keeps spool by this delay driving circuit 2 with delay function opening, rise to when being enough to adhesive source of the gas magnetic valve up to the electromotive force of thermocouple T, delay driving circuit disconnects, and continues to keep unlatching to the source of the gas magnetic valve by thermocouple T.
In order to realize prolonging the time that magnetic valve is opened, guarantee continual and steady fired state, the delay driving circuit 2 of present embodiment includes the timing auxiliary circuit 21 and the driving circuit for electromagnetic valve 22 of mutual serial connection, wherein, regularly the working power positive terminal of auxiliary circuit 21 and the positive pole of power supply U link to each other, the working power negative pole end of this timing auxiliary circuit 21 and the negative pole of power supply U link to each other, this regularly the output out1 of the control end ctr of auxiliary circuit 21 and igniter 1 link to each other and as the trigger end of whole delay driving circuit circuit, and, regularly the output out2 of auxiliary circuit 21 and the input of circuit driven by electromagnetic means 22 link to each other, and the output of this driving circuit for electromagnetic valve 22 links to each other with described source of the gas electromagnetic valve coil L.
As shown in Figure 2, be one of circuit connection diagram of the delay driving circuit of present embodiment, this circuit connection diagram includes regularly auxiliary circuit 21 and driving circuit for electromagnetic valve 22, wherein, regularly auxiliary circuit 21 includes the first diode D1, the first electrochemical capacitor C1, first resistance R 1, second resistance R 2, the NPN type first triode Q1, the 3rd resistance R 3, the 4th resistance R 4 and the positive-negative-positive second triode Q2, driving circuit for electromagnetic valve 22 includes the 5th resistance R 5, NPN type the 3rd triode Q3, the 6th resistance R 6, the second diode D2 and the 7th resistance R 7, the physical circuit syndeton is as follows:
The anode of the first diode D1 links to each other as the control end ctr of timing auxiliary circuit 21 and the output out1 of igniter 1, the negative electrode one road of this first diode D1 and the positive pole of the first electrochemical capacitor C1 link to each other, the base stage of another road first resistance R 1 and the described first triode Q1 links to each other, the negative pole of the first electrochemical capacitor C1 connects the positive pole of power supply U, the base stage of the first triode Q1 connects the positive pole of power supply U again through second resistance R 2, the emitter stage of the first triode Q1 connects power supply U positive pole, the colelctor electrode one tunnel of this first triode Q1 links to each other through the positive pole of the 3rd resistance R 3 and power supply U, the base stage of another Lu Jingdi four resistance R 4 and the second triode Q2 links to each other, the emitter stage of this second triode Q2 connects the positive pole of power supply U, the colelctor electrode of the second triode Q2 links to each other through the base stage of the 5th resistance R 5 and the 3rd triode Q3 as the output out2 one tunnel of this timing auxiliary circuit 21, another Lu Jingdi six resistance R 6 connect power supply U positive pole, the emitter stage of the 3rd triode Q3 connects the positive pole of power supply U, the colelctor electrode one tunnel of the 3rd triode Q3 links to each other with the negative electrode of the second diode D2, the end of another Lu Jingdi seven resistance R 7 and source of the gas electromagnetic valve coil L links to each other, the other end of this source of the gas electromagnetic valve coil L connects the positive pole of power supply U, here, the plus earth of power supply U, link to each other with the kitchen range housing, as the reference ground of entire circuit.
The operation principle of the igniter of present embodiment is as follows:
When pressing ignition switch K, igniter 1 is by spray point S discharge igniting, the output out1 of igniter 1 produces high-voltage pulse signal simultaneously, giving regularly, the control end ctr of auxiliary circuit 21 adds positive voltage, so, the first electrochemical capacitor C1 begins charging simultaneously, under the bias of first resistance R 1 and the 4th resistance R 4, the first triode Q1 and the second triode Q2 conducting, and then conducting the 3rd triode Q3, make source of the gas electromagnetic valve coil L two ends add voltage, source of the gas electromagnetic valve coil L adhesive valve core of the electromagnetic valve, thus the source of the gas magnetic valve is opened;
After ignition switch K unclamps, igniter 1 igniting finishes, at this moment, regularly auxiliary circuit 21 and driving circuit for electromagnetic valve 22 continue to keep duty by the discharge of the first electrochemical capacitor C1, promptly still have electric current to pass through on the source of the gas electromagnetic valve coil L this moment, the maintenance adhesive in the delay time of first electrochemical capacitor C1 discharge of source of the gas magnetic valve;
On the other hand, after lighting a fire successfully, the temperature of fuel gas buring is more and more higher, thermocouple T is produced electromotive force by flame heat, reach at thermocouple T before the electromotive force of adsorbable source of the gas magnetic valve, regularly auxiliary circuit 21 keeps the adhesive of source of the gas magnetic valve by time-lag action, in case regularly auxiliary circuit 21 disconnects (the i.e. first electrochemical capacitor C1 discharge off, the 3rd triode Q3 ends), at this moment, thermocouple T has reached certain electromotive force this moment, and the electric current that thermocouple produces is enough to keep the unlatching that electromagnetic valve coil continues adhesive source of the gas magnetic valve, guarantees burning normally.
In the circuit of present embodiment, the effect of the second diode D2 is in playing and the effect of inverse electromotive force, and the protection components and parts are not subjected to the puncture of the inverse electromotive force of source of the gas electromagnetic valve coil L generation.Because source of the gas electromagnetic valve coil L is an inductance, it can be with the form store electrical energy in magnetic field, the a large amount of magnetic field of storage in the time of its adhesive, when the 3rd triode Q3 of this source of the gas magnetic valve of control by conducting become by the time when quitting work (be surely auxiliary circuit 21), source of the gas electromagnetic valve coil L outage, but still have magnetic field to exist in the coil, at this moment will produce inverse electromotive force, be easy to puncture the 3rd triode Q3 or other components, and, in case after the 3rd triode Q3 was breakdown, magnetic valve just was in normally open, the danger that can leak gas.In order to protect components and parts effectively; prevent reverse breakdown; in circuit, insert the second diode D2; because just in time the direction with inverse electromotive force is consistent for the conducting direction of this second diode D2; can neutralize inverse electromotive force by the form of this diode, thereby protect other elements in the circuit not to be damaged with electric current.
As shown in Figure 3, be an improvement on circuit connection diagram basis shown in Figure 2, the difference of the circuit connection diagram of Fig. 3 and circuit connection diagram shown in Figure 2 is: increased by the second electrochemical capacitor C2 in timing auxiliary circuit 21, wherein, the positive pole of the second electrochemical capacitor C2 links to each other with the negative electrode of the first diode D1, the output out2 one tunnel that the negative pole of this second electrochemical capacitor C2 and the colelctor electrode of the second triode Q2 connect back conduct timing auxiliary circuit 21 altogether links to each other through the base stage of the 5th resistance R 5 and the 3rd triode Q3, and another Lu Jingdi six resistance R 6 connect the positive pole of power supply U.The second electrochemical capacitor C2 that increases can satisfy the needs that prolong the magnetic valve unlatching better, usually, after the first electrochemical capacitor C1 and the second electrochemical capacitor C2 charging, just intact within 8 to 12 seconds tele-release, can guarantee that regularly auxiliary circuit keeps the conducting of the 3rd triode Q3 in the long time, reduce the igniting stand-by period, improved the stability of igniting.
In addition, in driving circuit for electromagnetic valve 22, also increased the second path of realizing that by the 8th resistance R 8 and NPN type the 4th triode Q4 being used to of forming magnetic valve is opened, wherein, the colelctor electrode one tunnel of the 3rd triode Q3 links to each other with the negative electrode of the second diode D2, the end of another Lu Jingdi seven resistance R 7 and source of the gas electromagnetic valve coil L links to each other, the other end of this source of the gas electromagnetic valve coil L connects the positive pole of power supply U, the colelctor electrode of the 4th triode Q4 links to each other with the emitter stage of the 3rd triode Q3, the emitter stage of the 4th triode Q4 connects the positive pole of power supply U, and the base stage of the 4th triode Q4 connects power supply U positive pole successively after the 8th resistance R 8 and the 6th resistance R 6.
So, in this circuit connection diagram, adopted double-triode valve to realize opening of magnetic valve in the driving circuit for electromagnetic valve 22, the advantage of this connected mode is, because the 3rd triode Q3 and the 4th triode Q4 are connected in the circuit, when one of them triode is breakdown, magnetic valve still can be controlled and be in the valve state that closes, prevent gas leakage, have only when the 3rd triode Q3 and the 4th triode Q4 are simultaneously breakdown, at this moment, magnetic valve just is in normally open, leak gas, the structure of this double-triode valve makes the triode fraction defective originally be used to open magnetic valve rise to 1 * 10 from 1 ‰
-6Perhaps higher level, safe class improves greatly.Therefore, the connected mode of employing double-triode valve can improve the security of use, and under the normal condition, after the 3rd triode Q3 conducting, the 4th also conducting of triode Q4 so magnetic valve is opened, realizes igniting; When the 3rd triode Q3 or the 4th triode Q4 one of them when breakdown, at this moment, another triode can't conducting, be in cut-off state, at this moment, solenoid closure can't be opened, and needs can normally use behind the corresponding triode of repairing replacing, has guaranteed the security that gas-cooker uses when circuit is out of order.
Claims (4)
1. the igniter of a gas-cooker includes
Igniter (1), its power supply (U) is taken from the battery on the gas kitchen ranges, this igniter (1) is connected with the igniting pin (S) of discharge when ignition switch (K) is closed, and this igniter (1) also has the output (out1) that produces high-voltage pulse signal in described igniting pin (S) discharge back;
Source of the gas electromagnetic valve coil (L), the back adhesive source of the gas valve core of the electromagnetic valve and realize opening of gas-cooker source of the gas magnetic valve of can switching on; And
Thermocouple (T), contiguous burner setting also is connected in series with the source of the gas electromagnetic valve coil (L) of gas-cooker;
Also include a delay driving circuit (2), this delay driving circuit (2) includes the positive source input, the power cathode input, trigger end and output (out3), wherein, the positive source input of described delay driving circuit (2) links to each other with the positive pole of described power supply (U), the power cathode input of this delay driving circuit (2) and the negative pole of described power supply link to each other, the output (out1) of the trigger end of described delay driving circuit (2) and described igniter links to each other, when the output (out1) of described igniter is high level, described delay driving circuit (2) obtains triggering signal and conducting at trigger end, and, the output (out3) of described delay driving circuit (2) is connected with the source of the gas electromagnetic valve coil (L) with described thermocouple (T) serial connection, this delay driving circuit (2) at described thermocouple (T) but remain the circuit turn-on state before reaching the electromotive force of the described source of the gas magnetic valve of adhesive;
Described delay driving circuit (2) includes the timing auxiliary circuit (21) and the driving circuit for electromagnetic valve (22) of mutual serial connection, wherein, the working power positive terminal of described timing auxiliary circuit (21) links to each other with the positive pole of described power supply (U), the plus earth of this power supply (U), the working power negative pole end of this timing auxiliary circuit (21) and the negative pole of described power supply (U) link to each other, this regularly the output (out1) of the control end (ctr) of auxiliary circuit (21) and described igniter (1) link to each other and as the trigger end of whole delay driving circuit, and, the output (out2) of described timing auxiliary circuit (21) links to each other with the input of described driving circuit for electromagnetic valve (22), the output of this driving circuit for electromagnetic valve (22) is as the output (out3) of described delay driving circuit (2), and the output of described driving circuit for electromagnetic valve (22) links to each other with described source of the gas electromagnetic valve coil (L);
It is characterized in that: described driving circuit for electromagnetic valve (22) includes the 5th resistance (R5), NPN type the 3rd triode (Q3), the 6th resistance (R6), second diode (D2) and the 7th resistance (R7), wherein, regularly output (out2) a tunnel of auxiliary circuit (21) links to each other through the base stage of described the 5th resistance (R5) with described the 3rd triode (Q3), another Lu Jingdi six resistance (R6) connect the negative pole of power supply (U), the emitter stage of described the 3rd triode (Q3) connects the negative pole of power supply (U), the colelctor electrode one tunnel of the 3rd triode (Q3) links to each other with the negative electrode of described second diode (D2), one end of another Lu Jingdi seven resistance (R7) and described source of the gas electromagnetic valve coil (L) links to each other, the other end of this source of the gas electromagnetic valve coil (L) connects the positive pole of described power supply (U), the plus earth of this power supply (U), the anode of described second diode (D2) links to each other with the negative pole of described power supply (U).
2. the igniter of a gas-cooker includes
Igniter (1), its power supply (U) is taken from the battery on the gas kitchen ranges, this igniter (1) is connected with the igniting pin (S) of discharge when ignition switch (K) is closed, and this igniter (1) also has the output (out1) that produces high-voltage pulse signal in described igniting pin (S) discharge back;
Source of the gas electromagnetic valve coil (L), the back adhesive source of the gas valve core of the electromagnetic valve and realize opening of gas-cooker source of the gas magnetic valve of can switching on; And
Thermocouple (T), contiguous burner setting also is connected in series with the source of the gas electromagnetic valve coil (L) of gas-cooker;
Also include a delay driving circuit (2), this delay driving circuit (2) includes the positive source input, the power cathode input, trigger end and output (out3), wherein, the positive source input of described delay driving circuit (2) links to each other with the positive pole of described power supply (U), the power cathode input of this delay driving circuit (2) and the negative pole of described power supply link to each other, the output (out1) of the trigger end of described delay driving circuit (2) and described igniter links to each other, when the output (out1) of described igniter is high level, described delay driving circuit (2) obtains triggering signal and conducting at trigger end, and, the output (out3) of described delay driving circuit (2) is connected with the source of the gas electromagnetic valve coil (L) with described thermocouple (T) serial connection, this delay driving circuit (2) at described thermocouple (T) but remain the circuit turn-on state before reaching the electromotive force of the described source of the gas magnetic valve of adhesive;
Described delay driving circuit (2) includes the timing auxiliary circuit (21) and the driving circuit for electromagnetic valve (22) of mutual serial connection, wherein, the working power positive terminal of described timing auxiliary circuit (21) links to each other with the positive pole of described power supply (U), the plus earth of this power supply (U), the working power negative pole end of this timing auxiliary circuit (21) and the negative pole of described power supply (U) link to each other, this regularly the output (out1) of the control end (ctr) of auxiliary circuit (21) and described igniter (1) link to each other and as the trigger end of whole delay driving circuit, and, the output (out2) of described timing auxiliary circuit (21) links to each other with the input of described driving circuit for electromagnetic valve (22), the output of this driving circuit for electromagnetic valve (22) is as the output (out3) of described delay driving circuit (2), and the output of described driving circuit for electromagnetic valve (22) links to each other with described source of the gas electromagnetic valve coil (L);
It is characterized in that: described driving circuit for electromagnetic valve (22) includes the 5th resistance (R5), NPN type the 3rd triode (Q3), NPN type the 4th triode (Q4), the 6th resistance (R6), second diode (D2), the 7th resistance (R7) and the 8th resistance (R8), wherein, regularly output (out2) first via of auxiliary circuit (21) links to each other through the base stage of described the 5th resistance (R5) with described the 3rd triode (Q3), the second the tunnel links to each other through the base stage of described the 8th resistance (R8) with described the 4th triode (Q4), and Third Road connects the negative pole of power supply (U) through described the 6th resistance (R6); The colelctor electrode one tunnel of described the 3rd triode (Q3) links to each other with the negative electrode of described second diode (D2), one end of another Lu Jingdi seven resistance (R7) and described source of the gas electromagnetic valve coil (L) links to each other, the other end of this source of the gas electromagnetic valve coil (L) connects the positive pole of described power supply (U), the plus earth of this power supply (U), the anode of described second diode (D2) links to each other with the negative pole of described power supply (U); The emitter stage of described the 3rd triode (Q3) links to each other with the colelctor electrode of described the 4th triode (Q4), and the emitter stage of the 4th triode (Q4) connects the negative pole of power supply (U).
3. the igniter of gas-cooker according to claim 1 and 2, it is characterized in that: described timing auxiliary circuit (21) includes first diode (D1), first electrochemical capacitor (C1), first resistance (R1), second resistance (R2), NPN type first triode (Q1), the 3rd resistance (R3), the 4th resistance (R4) and positive-negative-positive second triode (Q2), wherein, the anode of described first diode (D1) is the control end (ctr) of this timing auxiliary circuit (21), and, the output (out1) of the anode of described first diode (D1) and described igniter (1) links to each other, the negative electrode one tunnel of this first diode (D1) links to each other with the positive pole of first electrochemical capacitor (C1), the base stage of another road first resistance (R1) and described first triode (Q1) links to each other, the negative pole of described first electrochemical capacitor (C1) connects the negative pole of power supply (U), and the base stage of described first triode (Q1) connects the negative pole of power supply (U) through second resistance (R2), the emitter stage of described first triode (Q1) connects the negative pole of power supply (U), the colelctor electrode one tunnel of this first triode (Q1) links to each other through the positive pole of the 3rd resistance (R3) with power supply (U), the base stage of another Lu Jingdi four resistance (R4) and second triode (Q2) links to each other, the emitter stage of this second triode (Q2) connects the positive pole of power supply (U), and the colelctor electrode of second triode (Q2) links to each other as the output (out2) of this timing auxiliary circuit (21) and the input of described driving circuit for electromagnetic valve (22).
4. the igniter of gas-cooker according to claim 3, it is characterized in that: described timing auxiliary circuit (21) also includes second electrochemical capacitor (C2), the positive pole of this second electrochemical capacitor (C2) links to each other with the negative electrode of described first diode (D1), and the colelctor electrode of the negative pole of this second electrochemical capacitor (C2) and described second triode (Q2) connects the back altogether and links to each other as the output (out2) of described timing auxiliary circuit (21) and the input of described driving circuit for electromagnetic valve (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910100232 CN101598354B (en) | 2009-06-26 | 2009-06-26 | Gas stove ignition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910100232 CN101598354B (en) | 2009-06-26 | 2009-06-26 | Gas stove ignition device |
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| CN101598354A CN101598354A (en) | 2009-12-09 |
| CN101598354B true CN101598354B (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910100232 Active CN101598354B (en) | 2009-06-26 | 2009-06-26 | Gas stove ignition device |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104421973B (en) * | 2013-08-26 | 2017-07-04 | 广东美的厨房电器制造有限公司 | Gas utensil and the pulse ignition device for gas utensil and pulse firing control method |
| CN103822254A (en) * | 2014-01-26 | 2014-05-28 | 陕西科技大学 | Device capable of shortening ignition time of gas stove |
| CN109686603A (en) * | 2018-12-29 | 2019-04-26 | 广东机电职业技术学院 | A kind of electronic arc eliminating automobile electromagnetic switch |
| CN111076237A (en) * | 2019-12-31 | 2020-04-28 | 南京云睿航天科技有限公司 | Protection system for preventing gas stove from being ignited for long time |
| CN111442301A (en) * | 2020-03-10 | 2020-07-24 | 苏州多正电子有限公司 | Ignition package control circuit |
| CN112066424B (en) * | 2020-09-10 | 2021-10-15 | 珠海格力电器股份有限公司 | Ignition control method and device of stove and stove |
| CN112212359A (en) * | 2020-09-28 | 2021-01-12 | 华帝股份有限公司 | Power-saving control system and control method for igniter |
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