CN206636687U - Anti- external power source misconnection enters inductance type ignitor - Google Patents
Anti- external power source misconnection enters inductance type ignitor Download PDFInfo
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- CN206636687U CN206636687U CN201720406808.9U CN201720406808U CN206636687U CN 206636687 U CN206636687 U CN 206636687U CN 201720406808 U CN201720406808 U CN 201720406808U CN 206636687 U CN206636687 U CN 206636687U
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Abstract
The utility model discloses a kind of anti-external power source misconnection to enter inductance type ignitor, 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, in addition to the anti-external power source misconnection being connected with ignition control circuit enters circuit；The anti-external power source misconnection of the utility model enters inductance type ignitor, it enters circuit by increasing anti-external power source misconnection, so that when petrol engine is installed, in the case of the flame-out end (i.e. flameout switch S1 both ends) that DC battery jar or other external power source misconnections are entered to igniter, external power source is through flameout switch S1, 7th resistance R7, primary coil L1 forms loop electric discharge, metering function is played because the 7th resistance R7 is sealed in primary coil L1, it can effectively prevent primary coil L1 from seriously being generated heat because electric current is excessive, solve the problems, such as to burn ignition coil when external power source misconnection enters flameout switch S1.
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).
But the ignition control circuit has the following disadvantages：
If DC battery jar or other external power source misconnections are entered into the flame-out end of igniter (i.e. when petrol engine is installed
Flameout switch S1 both ends), now DC battery jar or other power supplys form discharge loop through S1, L1, due to primary coil L1 electricity
Resistance is smaller, and the electric current by primary coil L1 is excessive, and primary coil LI will be made seriously to generate heat, cause ignition coil to burn.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of anti-external power source misconnection and enters inductance type ignitor, with solution
Certainly existing igniter of universal petrol engine, which exists when external power source misconnection enters flameout switch S1 both ends, to cause ignition coil to burn
Technical problem.
The anti-external power source misconnection of the utility model enters inductance type ignitor, 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 anti-external power source misconnection being connected with ignition control circuit enter circuit, and the anti-external power source misconnection enters circuit use
In when misconnection enters external power source to ignition coil carry out overcurrent protection.
The ignition control circuit includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, 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 anti-external power source misconnection, which enters circuit, includes the 6th triode, the 6th resistance and the 7th resistance, and the described 6th 3
The colelctor electrode of pole pipe is connected with the colelctor electrode of the 3rd triode, and the emitter stage of the 6th triode and the second end of primary coil connect
Connect, the base stage of the 6th triode is by the connection of the positive pole of the 6th resistance and flameout switch, the first end of primary coil and with stopping working
The negative pole connection of switch, the second end of primary coil are connected by the positive pole of the 7th resistance and flameout switch.
Or 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；
The colelctor electrode of first triode is connected by first resistor and the first end of primary coil, the transmitting of the first triode
Pole is connected by the second end of the first electric capacity and primary coil；
The colelctor electrode of second triode and the first end of primary coil connect, the base stage of the second triode and the first triode
Colelctor electrode connection, the base stage of the second triode also passes through the second end of second resistance and primary coil and connects, the second triode
Emitter stage pass through the second end of 3rd resistor and primary coil connect；
The base stage of 3rd triode is connected with the emitter stage of the second triode, and the emitter stage of the 3rd triode passes through the 4th electricity
Resistance is connected with the first end of primary coil, and the colelctor electrode of the 3rd triode and the second end of primary coil connect；
The emitter stage of 4th triode and the first end of primary coil connect, base stage and the 3rd triode of the 4th triode
Emitter stage connection, the colelctor electrode of the 4th triode is connected with the base stage of the 5th triode；
The colelctor electrode of 5th triode and the first end of primary coil connect, and the emitter stage of the 5th triode passes through the 5th electricity
Resistance is connected with the second end of primary coil, and the base stage of the emitter stage of the 5th triode also with the first triode is connected；
The anti-external power source misconnection, which enters circuit, includes the 6th triode, the 6th resistance and the 7th resistance, and the described 6th 3
The colelctor electrode of pole pipe is connected with the base stage of the 3rd triode, and the emitter stage of the 6th triode and the second end of primary coil connect,
The base stage of 6th triode is connected by the positive pole of the 6th resistance and flameout switch, the first end of primary coil and and flameout switch
Negative pole connection, the second end of primary coil passes through the positive pole of the 7th resistance and flameout switch and connected.
Further, the anti-external power source misconnection, which enters inductance type ignitor, also includes the machine oil sensing in parallel with flameout switch
Device.
The beneficial effects of the utility model：
1st, the anti-external power source misconnection of the utility model enters inductance type ignitor, and it enters electricity by increasing anti-external power source misconnection
Road so that when petrol engine is installed, the flame-out end that DC battery jar or other external power source misconnections are entered to igniter is (i.e. flame-out
Switch S1 both ends) in the case of, external power source forms loop through flameout switch S1, the 7th resistance R7, primary coil L1 and discharged, due to
7th resistance R7, which is sealed in primary coil L1, plays metering function, can effectively prevent primary coil L1 from seriously being sent out because electric current is excessive
Heat, solve the problems, such as to burn ignition coil when external power source misconnection enters flameout switch S1.
2nd, the anti-external power source misconnection of the utility model enters inductance type ignitor, also by accessing engine oil sensor so that
Engine motor oil can realize blowout protection when alarming.
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 that the anti-external power source misconnection of the utility model enters inductance type ignitor；
Fig. 4 enters the electrical block diagram of inductance type ignitor for the anti-external power source misconnection in embodiment one；
Fig. 5 enters the electrical block diagram of inductance type ignitor for the anti-external power source misconnection in embodiment two.
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.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Embodiment one：
As shown in figure 4, the anti-external power source misconnection of the present embodiment enters inductance type ignitor, 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 anti-external power source misconnection being connected with ignition control circuit enters circuit, the anti-external electrical
Source misconnection enters circuit and is used to carry out overcurrent protection to ignition coil when misconnection enters external power source.
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.
In the present embodiment, the anti-external power source misconnection, which enters circuit, includes the 6th triode Q6, the 6th resistance R6 and the 7th
Resistance R7, the colelctor electrode of the 6th triode are connected with the colelctor electrode of the 3rd triode, the emitter stage of the 6th triode with just
The second end connection of level coil, the base stage of the 6th triode are connected by the positive pole of the 6th resistance and flameout switch, primary coil
First end be connected with the negative pole with flameout switch, the second end of primary coil passes through the positive pole of the 7th resistance and flameout switch and connected
Connect.
The anti-external power source misconnection of the present embodiment enters inductance type ignitor, its ignition control circuit operation principle and traditional electricity
Road operation principle is identical.
The anti-external power source misconnection of the present embodiment enters inductance type ignitor, when gasoline engine, which runs well, needs flame-out shut down,
It is artificial to press flameout switch S1 (S1 short circuits), primary coil L1 EMF pulses waveform " A points " for it is negative when, through the 6th resistance R6,
7th resistance R7 partial pressures provide the extremely positive bias-voltage of B, E to the 6th triode Q6, and the 6th triode Q6 is turned on, the 4th triode Q4,
5th triode Q5 is also turned on therewith, and primary coil L1 EMF pulses are discharged, ignition control circuit is failed, reaches and put out
Fiery purpose.
If DC battery jar or other external power source misconnections are entered into the flame-out end of igniter (i.e. when petrol engine is installed
Flameout switch S1 both ends), external power source forms loop through flameout switch S1, the 7th resistance R7, primary coil L1 and discharged, due to the
Seven resistance R7, which are sealed in primary coil L1, plays metering function, can effectively prevent primary coil L1 from seriously being sent out because electric current is excessive
Heat, solve the problems, such as to burn ignition coil when external power source misconnection enters flameout switch S1.
As the improvement to the present embodiment, the anti-external power source misconnection of the present embodiment, which enters inductance type ignitor, also to be 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 enables realizes blowout protection when engine motor oil is alarmed.
Embodiment two：
As shown in figure 5, the anti-external power source misconnection of the present embodiment enters inductance type ignitor, 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 anti-external power source misconnection being connected with ignition control circuit enters circuit, the anti-external electrical
Source misconnection enters circuit and is used to carry out overcurrent protection to ignition coil when misconnection enters external power source.
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；
The colelctor electrode of first triode is connected by first resistor and the first end of primary coil, the transmitting of the first triode
Pole is connected by the second end of the first electric capacity and primary coil；
The colelctor electrode of second triode and the first end of primary coil connect, the base stage of the second triode and the first triode
Colelctor electrode connection, the base stage of the second triode also passes through the second end of second resistance and primary coil and connects, the second triode
Emitter stage pass through the second end of 3rd resistor and primary coil connect；
The base stage of 3rd triode is connected with the emitter stage of the second triode, and the emitter stage of the 3rd triode passes through the 4th electricity
Resistance is connected with the first end of primary coil, and the colelctor electrode of the 3rd triode and the second end of primary coil connect；
The emitter stage of 4th triode and the first end of primary coil connect, base stage and the 3rd triode of the 4th triode
Emitter stage connection, the colelctor electrode of the 4th triode is connected with the base stage of the 5th triode；
The colelctor electrode of 5th triode and the first end of primary coil connect, and the emitter stage of the 5th triode passes through the 5th electricity
Resistance is connected with the second end of primary coil, and the base stage of the emitter stage of the 5th triode also with the first triode is connected.
In the present embodiment, the anti-external power source misconnection, which enters circuit, includes the 6th triode Q6, the 6th resistance R6 and the 7th
Resistance R7, the colelctor electrode of the 6th triode are connected with the base stage of the 3rd triode, emitter stage and the primary of the 6th triode
The second end connection of coil, the base stage of the 6th triode are connected by the positive pole of the 6th resistance and flameout switch, primary coil
First end is connected with the negative pole with flameout switch, and the second end of primary coil is connected by the positive pole of the 7th resistance and flameout switch
Connect.
The operation principle that the anti-external power source misconnection of the present embodiment enters inductance type ignitor is identical with embodiment, no longer superfluous herein
State.
As the improvement to the present embodiment, the anti-external power source misconnection of the present embodiment, which enters inductance type ignitor, also to be 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 enables realizes blowout protection when engine motor oil is alarmed.
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 (4)
1. a kind of anti-external power source misconnection enters inductance type ignitor, 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：The anti-external power source misconnection for also including being connected with ignition control circuit enters circuit, and the anti-external power source misconnection enters electricity
Road is used to carry out overcurrent protection to ignition coil when misconnection enters external power source.
2. anti-external power source misconnection according to claim 1 enters inductance type ignitor, it is characterised in that：
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 anti-external power source misconnection, which enters circuit, includes the 6th triode, the 6th resistance and the 7th resistance, the 6th triode
Colelctor electrode be connected with the colelctor electrode of the 3rd triode, the second end of the emitter stage of the 6th triode and primary coil connects, the
The base stage of six triodes by the positive pole of the 6th resistance and flameout switch connect, the first end of primary coil with flameout switch
Negative pole is connected, and the second end of primary coil is connected by the positive pole of the 7th resistance and flameout switch.
3. anti-external power source misconnection according to claim 1 enters inductance type ignitor, it is characterised in that：
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；
The colelctor electrode of first triode is connected by first resistor and the first end of primary coil, and the emitter stage of the first triode leads to
The second end for crossing the first electric capacity and primary coil connects；
The colelctor electrode of second triode and the first end of primary coil connect, the base stage of the second triode and the collection of the first triode
Electrode is connected, and the base stage of the second triode is also connected by the second end of second resistance and primary coil, the hair of the second triode
Emitter-base bandgap grading is connected by the second end of 3rd resistor and primary coil；
The base stage of 3rd triode is connected with the emitter stage of the second triode, the emitter stage of the 3rd triode by the 4th resistance with
The first end connection of primary coil, the colelctor electrode of the 3rd triode and the second end of primary coil connect；
The emitter stage of 4th triode and the first end of primary coil connect, the base stage of the 4th triode and the hair of the 3rd triode
Emitter-base bandgap grading is connected, and the colelctor electrode of the 4th triode is connected with the base stage of the 5th triode；
The first end of the colelctor electrode of 5th triode and primary coil connects, the emitter stage of the 5th triode by the 5th resistance with
The second end connection of primary coil, the base stage of the emitter stage of the 5th triode also with the first triode are connected；
The anti-external power source misconnection, which enters circuit, includes the 6th triode, the 6th resistance and the 7th resistance, the 6th triode
Colelctor electrode be connected with the base stage of the 3rd triode, the second end of the emitter stage of the 6th triode and primary coil connects, the 6th
The base stage of triode is connected by the positive pole of the 6th resistance and flameout switch, the first end of primary coil with it is negative with flameout switch
Pole is connected, and the second end of primary coil is connected by the positive pole of the 7th resistance and flameout switch.
4. the anti-external power source misconnection according to Claims 2 or 3 enters inductance type ignitor, it is characterised in that：Also include with
Flameout switch engine oil sensor in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720406808.9U CN206636687U (en) | 2017-04-18 | 2017-04-18 | Anti- external power source misconnection enters inductance type ignitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720406808.9U CN206636687U (en) | 2017-04-18 | 2017-04-18 | Anti- external power source misconnection enters inductance type ignitor |
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| Publication Number | Publication Date |
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| CN206636687U true CN206636687U (en) | 2017-11-14 |
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| CN201720406808.9U Active CN206636687U (en) | 2017-04-18 | 2017-04-18 | Anti- external power source misconnection enters inductance type ignitor |
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2017
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