CN206722952U - Inductance type ignitor with blowout protection function - Google Patents
Inductance type ignitor with blowout protection function Download PDFInfo
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- CN206722952U CN206722952U CN201720195710.3U CN201720195710U CN206722952U CN 206722952 U CN206722952 U CN 206722952U CN 201720195710 U CN201720195710 U CN 201720195710U CN 206722952 U CN206722952 U CN 206722952U
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Abstract
The utility model discloses a kind of inductance type ignitor with blowout protection function; including the ignition coil being made up of primary coil and secondary coil, the ignition control circuit being connected with primary coil; ignition control circuit is used to control ignition coil to produce high-voltage pulse; also include the flameout control circuit being connected with ignition control circuit, the flameout control circuit is used to make ignition control circuit fail.Inductance type ignitor of the utility model with blowout protection function, it is avoided that gasoline engine error starting, gasoline engine stop working halfway problem by increasing flameout control circuit；Engine oil sensor can also be accessed, blowout protection is realized when engine motor oil is alarmed；This other inductance type ignitor with blowout protection function is also prevented from external power source access igniter and causes igniter bad.
Description
Technical field
Technology of gasoline engine field is the utility model is related to, more particularly to a kind of igniter of gasoline engine.
Background technology
Traditional igniter of universal petrol engine uses circuit structure as shown in the accompanying drawings 1, the IGNITION CONTROL mostly
Circuit operation principle is as follows：
The primary coil L1 (i.e. Magnetor stator) of ignition coil B1 first induces one group of EMF pulse waveform (waveform
See Fig. 2)；When L1 induced electromotive force negative pulses forward position is arrived, because the effect of resistance R1 and resistance R2 partial pressure makes triode Q2 not
It can be turned on prior to triode Q3, after triode Q3 conductings, triode Q4, triode Q5 conducting.After triode Q5 conductings, ignition lead
C, E pole of the induced electromotive force through primary coil L1, resistance R5, triode Q5 that circle B1 primary coil L1 is induced forms loop
Conducting.
Then the pressure drop on resistance R5 increases with the increase of electric current, when pressure drop of the pressure drop on R5 more than C1 exceedes
During 0.7V triode Q1 conducting to the first electric capacity C1 charging (now triode Q1 and the first electric capacity connect the circuit to be formed equivalent to
A resistance in parallel on R1), triode Q2 ends, and voltage increases as pulse front edge rises on the first electric capacity C1, senses
Electromotive force to triode Q1 after peak value of pulse B pole tensions (fill less than voltage on the first electric capacity C1, triode Q1 cut-offs on C1
Electricity discharged through triode Q1, Q2), the now pressure drop on resistance R2 be also added to can make triode Q2 turn on, three poles
Pipe Q2 is turned on, so that triode Q3, Q4, Q5 end therewith, now due to current break, self-induction one on primary coil L1
The voltage of several hectovolts, boosted by secondary coil L2, secondary coil output more than 10KV voltage on spark plug, light hair
Gaseous mixture in motivation cylinder.
The ignition control circuit can be realized when engine needs igniting, there is provided go out sufficiently high voltage and pass through spark plug point
Gaseous mixture in burn engine cylinder, so as to realize mixed gas igniting combustion in gasoline engine cylinder.Gasoline engine runs well
When needing flame-out shut down, flameout switch S1 (S1 short circuits) is manually pressed, the electromotive force short circuit that primary coil L1 is sensed is flame-out (i.e.
Gasoline engine is shut down).If but when manually unclamp flameout switch S1 when (S1 open circuits), if now gasoline engine does not stop completely,
Primary coil L1 induced electromotive force, which may proceed to be added to, makes igniter continue to light a fire on ignition control circuit, gasoline engine can be extensive immediately
It is multiple to run well, cause gasoline engine error starting；Or flameout switch S1, when loose contact be present, engine can be presented shake and put out not
The problem of fiery.Therefore, there are the major safety risks to operating personnel in existing igniter of gasoline engine.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of inductance type ignitor with blowout protection function, with solution
The technologies such as easily cause gasoline engine error starting, gasoline engine shake can not thoroughly stop working be present and ask in certainly existing igniter of universal petrol engine
Topic.
Inductance type ignitor of the utility model with blowout protection function, including be made up of primary coil and secondary coil
Ignition coil, the ignition control circuit being connected with primary coil, ignition control circuit are used to control ignition coil to produce high-tension pulse
Punching, in addition to the flameout control circuit being connected with ignition control circuit, the flameout control circuit are used to make ignition control circuit
Failure.
Further, the ignition control circuit includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th electricity
Resistance, the first triode, the second triode, the 3rd triode, the 4th triode, the 5th triode and the first electric capacity；
One end of first resistor and the first end of primary coil connect, the collection of the other end of first resistor and the first triode
Electrode is connected, and the emitter stage of the first triode is connected by the second end of the first electric capacity and primary coil；
One end of 3rd resistor and the first end of primary coil connect, the collection of the other end of 3rd resistor and the second triode
Electrode connects, and the emitter stage of the second triode and the second end of primary coil connect, the base stage of the second triode and the one or three pole
The colelctor electrode connection of pipe, and the base stage of the second triode is also connected by the second end of second resistance and primary coil；
One end of 4th resistance and the first end of primary coil connect, the other end of the 4th resistance and the collection of the 3rd triode
Electrode connects, and the emitter stage of the 3rd triode and the second end of primary coil connect, base stage and the two or three pole of the 3rd triode
The colelctor electrode connection of pipe；
The emitter stage of 4th triode and the first end of primary coil connect, the colelctor electrode of the 4th triode and the five or three pole
The base stage connection of pipe, the base stage of the 4th triode be connected with the colelctor electrode of the 3rd triode, the colelctor electrode of the 5th triode and first
The first end connection of level coil, the emitter stage of the 5th triode are connected by the second end of the 5th resistance and primary coil；
The base stage of first triode is connected with the emitter stage of the 5th triode；
The flameout control circuit includes the second electric capacity, the 3rd electric capacity, the 6th triode, the 6th resistance, the 7th resistance, the
One diode and the second diode；
The negative pole of second diode is connected by the first end of flameout switch and primary coil, and the second diode is just
Pole is connected by the second end of the 7th resistance and primary coil, and the positive pole of the first diode and the second end of primary coil connect,
The negative pole of first diode is connected with the positive pole of the second electric capacity, and the negative pole of the second electric capacity is connected with the positive pole of the second diode, the
The base stage of six triodes is connected by the 6th resistance with the negative pole of the first diode, and the base stage of the 6th triode also passes through the 3rd electricity
Appearance is connected with the second end of primary coil, and the colelctor electrode of the 6th triode is connected with the colelctor electrode of the 3rd triode, the six or three pole
The emitter stage of pipe and the second end of primary coil connect.
Further, in addition to the engine oil sensor in parallel with flameout switch.
The beneficial effects of the utility model：Inductance type ignitor of the utility model with blowout protection function, it passes through increasing
Add flameout control circuit, be avoided that gasoline engine error starting, gasoline engine stop working halfway problem.And the utility model band stops working
The inductance type ignitor of defencive function can also access engine oil sensor, and blowout protection is realized when engine motor oil is alarmed；Separately
Outer the utility model is also prevented from external power source access igniter and causes igniter bad.
Brief description of the drawings
Fig. 1 is the structural representation of the ignition control circuit of existing gasoline engine inductance type ignitor；
Fig. 2 is the EMF pulse oscillogram of A points in Fig. 1；
Fig. 3 is the modular circuit schematic diagram of inductance type ignitor of the utility model with blowout protection function；
Fig. 4 is the structural representation of inductance type ignitor of the utility model with blowout protection function.
In above figure, L1- primary coils, L2- secondary coils, B1- ignition coils, S1- flameout switch, R1- first resistors,
R2- second resistances, R3- 3rd resistors, the resistance of R4- the 4th, the resistance of R5- the 5th, the resistance of R6- the 6th, the resistance of R7- the 7th, Q1-
One triode, the triodes of Q2- second, the triodes of Q3- the 3rd, the triodes of Q4- the 4th, the triodes of Q5- the 5th, the poles of Q6- the six or three
Pipe, the electric capacity of C1- first, the electric capacity of C2- second, the electric capacity of C3- the 3rd, the diodes of D1- first, the diodes of D2- second.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As shown in figure 4, inductance type ignitor of the present embodiment with blowout protection function, including by primary coil L1 and secondary
The ignition coil B1 of coil L2 compositions, the ignition control circuit being connected with primary coil, ignition control circuit, which is used to control, lights a fire
Coil produces high-voltage pulse, in addition to the flameout control circuit being connected with ignition control circuit, the flameout control circuit are used for
Ignition control circuit is set to fail.
In the present embodiment, the ignition control circuit includes first resistor R1, second resistance R2,3rd resistor R3, the 4th
Resistance R4, the 5th resistance R5, the first triode Q1, the second triode Q2, the 3rd triode Q3, the 4th triode Q4, the five or three
Pole pipe Q5 and the first electric capacity C1；
One end of first resistor and the first end of primary coil connect, the collection of the other end of first resistor and the first triode
Electrode is connected, and the emitter stage of the first triode is connected by the second end of the first electric capacity and primary coil；
One end of 3rd resistor and the first end of primary coil connect, the collection of the other end of 3rd resistor and the second triode
Electrode connects, and the emitter stage of the second triode and the second end of primary coil connect, the base stage of the second triode and the one or three pole
The colelctor electrode connection of pipe, and the base stage of the second triode is also connected by the second end of second resistance and primary coil；
One end of 4th resistance and the first end of primary coil connect, the other end of the 4th resistance and the collection of the 3rd triode
Electrode connects, and the emitter stage of the 3rd triode and the second end of primary coil connect, base stage and the two or three pole of the 3rd triode
The colelctor electrode connection of pipe；
The emitter stage of 4th triode and the first end of primary coil connect, the colelctor electrode of the 4th triode and the five or three pole
The base stage connection of pipe, the base stage of the 4th triode be connected with the colelctor electrode of the 3rd triode, the colelctor electrode of the 5th triode and first
The first end connection of level coil, the emitter stage of the 5th triode are connected by the second end of the 5th resistance and primary coil；
The base stage of first triode is connected with the emitter stage of the 5th triode；
The flameout control circuit includes the second electric capacity C2, the 3rd electric capacity C3, the 6th triode Q3, the 6th resistance R6, the
Seven resistance R7, the first diode D1 and the second diode D2；
The negative pole of second diode is connected by the first end of flameout switch and primary coil, and the second diode is just
Pole is connected by the second end of the 7th resistance and primary coil, and the positive pole of the first diode and the second end of primary coil connect,
The negative pole of first diode is connected with the positive pole of the second electric capacity, and the negative pole of the second electric capacity is connected with the positive pole of the second diode, the
The base stage of six triodes is connected by the 6th resistance with the negative pole of the first diode, and the base stage of the 6th triode also passes through the 3rd electricity
Appearance is connected with the second end of primary coil, and the colelctor electrode of the 6th triode is connected with the colelctor electrode of the 3rd triode, the six or three pole
The emitter stage of pipe and the second end of primary coil connect.
Inductance type ignitor of the present embodiment with blowout protection function, gasoline engine run well when needing flame-out shut down, people
The A points pulse that work presses primary coil L1 induced electromotive forces in flameout switch S1, Fig. 4 is timing through the first diode D1, second
Electric capacity C2, flameout switch S1 loops are charged to the second electric capacity C2, and after primary coil L1 induced electromotive forces A point positive pulses, C2 fills
The electricity obtained is discharged through the 6th resistance R6, the 6th triode Q6, the second diode D2, the 7th resistance R7 loops, to the 6th
Triode Q6 adds B, E pole to bias, and the 6th triode Q6 is kept B, E pole positively biased state；When primary coil L1 induced electromotive forces A points
The 6th triode Q6 is turned on when pulse is bears, and triode Q3, Q4, Q5 cut-off, ignition control circuit failure, reaches extinction function.
When manually unclamp flameout switch S1 when (S1 open circuits), gasoline engine not completely stopping in the state of, primary coil L1 after
The continuous voltage potential that produces is to IGNITION CONTROL loop, because the electricity release filled on the second electric capacity C2 needs certain time,
The 6th triode Q6 conductings are continued to, triode Q3, Q4, Q5 cut-off, IGNITION CONTROL circuit malfunction is maintained, reaches flame-out delay
Function, the delay time that stops working in specific implementation can be controlled by adjusting C2, R6 size, it is ensured that can be completely after gasoline engine is flame-out
It is stopped, will not error starting.
As the improvement to the present embodiment, inductance type ignitor of the present embodiment with blowout protection function is also included with stopping working
The engine oil sensor of switch in parallel, in the state of machine oil is not lacked, engine oil sensor is in normally open, when lacking machine oil,
Engine oil sensor turns on, and this improvement make it that when engine motor oil is alarmed blowout protection can be realized.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model
Enclose, it all should cover among right of the present utility model.
Claims (2)
1. a kind of inductance type ignitor with blowout protection function, including the ignition lead being made up of primary coil and secondary coil
Circle, the ignition control circuit being connected with primary coil, ignition control circuit are used to control ignition coil to produce high-voltage pulse, and it is special
Sign is：Also include the flameout control circuit being connected with ignition control circuit, the flameout control circuit is used to make IGNITION CONTROL
Circuit malfunction；
The ignition control circuit includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the one or three pole
Pipe, the second triode, the 3rd triode, the 4th triode, the 5th triode and the first electric capacity；
One end of first resistor and the first end of primary coil connect, the colelctor electrode of the other end of first resistor and the first triode
Connection, the emitter stage of the first triode are connected by the second end of the first electric capacity and primary coil；
One end of 3rd resistor and the first end of primary coil connect, the colelctor electrode of the other end of 3rd resistor and the second triode
Connection, the emitter stage of the second triode and the second end of primary coil connect, the base stage of the second triode and the first triode
Colelctor electrode is connected, and the base stage of the second triode is also connected by the second end of second resistance and primary coil；
One end of 4th resistance and the first end of primary coil connect, the other end of the 4th resistance and the colelctor electrode of the 3rd triode
Connection, the emitter stage of the 3rd triode and the second end of primary coil connect, base stage and the second triode of the 3rd triode
Colelctor electrode connects；
The first end of the emitter stage of 4th triode and primary coil connects, the colelctor electrode of the 4th triode and the 5th triode
Base stage is connected, and the base stage of the 4th triode is connected with the colelctor electrode of the 3rd triode, colelctor electrode and the primary line of the 5th triode
The first end connection of circle, the emitter stage of the 5th triode are connected by the second end of the 5th resistance and primary coil；
The base stage of first triode is connected with the emitter stage of the 5th triode；
The flameout control circuit includes the second electric capacity, the 3rd electric capacity, the 6th triode, the 6th resistance, the 7th resistance, the one or two
Pole pipe and the second diode；
The negative pole of second diode is connected by the first end of flameout switch and primary coil, and the positive pole of the second diode leads to
The second end for crossing the 7th resistance and primary coil connects, and the positive pole of the first diode and the second end of primary coil connect, and first
The negative pole of diode is connected with the positive pole of the second electric capacity, and the negative pole of the second electric capacity is connected with the positive pole of the second diode, and the six or three
The base stage of pole pipe is connected by the 6th resistance with the negative pole of the first diode, the base stage of the 6th triode also by the 3rd electric capacity with
The second end connection of primary coil, the colelctor electrode of the 6th triode are connected with the colelctor electrode of the 3rd triode, the 6th triode
Second end of emitter stage and primary coil connects.
2. the inductance type ignitor according to claim 1 with blowout protection function, it is characterised in that：Also include with stopping working
The engine oil sensor of switch in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195710.3U CN206722952U (en) | 2017-03-02 | 2017-03-02 | Inductance type ignitor with blowout protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195710.3U CN206722952U (en) | 2017-03-02 | 2017-03-02 | Inductance type ignitor with blowout protection function |
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| Publication Number | Publication Date |
|---|---|
| CN206722952U true CN206722952U (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720195710.3U Active CN206722952U (en) | 2017-03-02 | 2017-03-02 | Inductance type ignitor with blowout protection function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102119A (en) * | 2019-12-24 | 2020-05-05 | 浙江锋龙电气股份有限公司 | Inductance type ignition system with flameout delay function |
-
2017
- 2017-03-02 CN CN201720195710.3U patent/CN206722952U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102119A (en) * | 2019-12-24 | 2020-05-05 | 浙江锋龙电气股份有限公司 | Inductance type ignition system with flameout delay function |
| CN111102119B (en) * | 2019-12-24 | 2021-07-30 | 浙江锋龙电气股份有限公司 | Inductance type ignition system with flameout delay function |
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