CN206722953U - Inductance type ignitor with triode temperature rise suppression circuit - Google Patents
Inductance type ignitor with triode temperature rise suppression circuit Download PDFInfo
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- CN206722953U CN206722953U CN201720195798.9U CN201720195798U CN206722953U CN 206722953 U CN206722953 U CN 206722953U CN 201720195798 U CN201720195798 U CN 201720195798U CN 206722953 U CN206722953 U CN 206722953U
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- triode
- resistance
- primary coil
- temperature rise
- colelctor electrode
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Abstract
The utility model discloses a kind of inductance type ignitor with triode temperature rise suppression circuit, including ignition control circuit, in addition to the temperature rise suppression circuit that is used to reduce ignition control circuit temperature rise in parallel with IGNITION CONTROL loop.The utility model is by increasing temperature rise suppression circuit, partial pressure is carried out to the colelctor electrode C of the 5th triode, emitter E back-pressure in ignition control circuit, reduce C, E pole reverse current of the 5th triode, the 5th triode temperature rise can effectively be suppressed, so as to very big improvement igniter entirety resistance to elevated temperatures.
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 electric capacity C1 charging (now triode Q1 and electric capacity connect the circuit to be formed equivalent on R1 simultaneously
Join a resistance), triode Q2 ends, and voltage increases, induced electromotive force to pulse as pulse front edge rises on electric capacity C1
Triode Q1 B pole tensions are less than voltage on electric capacity C1 after peak value, and (electricity filled on C1 is through triode for triode Q1 cut-offs
Q1, Q2 are discharged), the now pressure drop on resistance R2, which is also added to, can turn on triode Q2, triode Q2 conductings, so that
Triode Q3, Q4, Q5 end therewith, now the voltage of one several hectovolt of self-induction, are led to due to current break on primary coil L1
Cross secondary coil L2 boostings, secondary coil output more than 10KV voltage on spark plug, it is mixed in ignition engine cylinder
Close gas.
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.But due to ignition lead
The EMF pulse that circle B1 primary coil L1 is induced is AC wave shape, in the reverse current that C, E pole of Q5 triodes are flowed through
It is larger, make Q5 temperature rises serious, cause igniter the problem of overall resistance to elevated temperatures is bad to be present.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of inductance type igniting with triode temperature rise suppression circuit
Device, to solve the bad technical problem of the presence entirety resistance to elevated temperatures of existing igniter of universal petrol engine.
Inductance type ignitor of the utility model with triode temperature rise suppression circuit, including by primary coil and secondary coil
The ignition coil of composition, the ignition control circuit with parallel connection of primary windings, in addition to it is in parallel with IGNITION CONTROL loop for reducing
The temperature rise suppression circuit of ignition control circuit temperature rise, ignition control circuit are used to control ignition coil to produce high-voltage pulse.
Further, the temperature rise suppression circuit is made up of a resistance and a Diode series.
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 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 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；
Resistance in the temperature rise suppression circuit is the 6th resistance, the negative pole of the diode in temperature rise suppression circuit with it is primary
The first end connection of coil, the positive pole of diode are connected by the second end of the 6th resistance and primary coil.
The beneficial effects of the utility model：Inductance type ignitor of the utility model with triode temperature rise suppression circuit, lead to
Increase temperature rise suppression circuit is crossed, the colelctor electrode C, emitter E back-pressure to the 5th triode carry out partial pressure, reduce the 5th triode
C, E poles counter current, the 5th triode temperature rise can effectively be suppressed, so as to very big improvement igniter entirety resistance to elevated temperatures.
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 module diagram of the ignition control circuit of the utility model gasoline engine inductance type ignitor；
Fig. 4 is the structural representation of the ignition control circuit of the utility model gasoline engine inductance type ignitor.
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 triodes of Q1- first, Q2-
Second triode, the triodes of Q3- the 3rd, the triodes of Q4- the 4th, the triodes of Q5- the 5th, C1- electric capacity, D1- diodes.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As illustrated, the present embodiment includes the ignition coil B1 being made up of primary coil L1 and secondary coil L2, with primary
The ignition control circuit of coils from parallel connection of coils, in addition to the temperature rise that is used to reduce ignition control circuit temperature rise in parallel with IGNITION CONTROL loop
Suppression circuit；Ignition control circuit is used to control ignition coil to produce high-voltage pulse；The both ends of primary coil are also in the present embodiment
It is parallel with flameout switch S1.
In the present embodiment, the temperature rise suppression circuit is composed in series by the 6th resistance R6 and diode D1.Described fire control
Circuit processed 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 5th triode Q5 and 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 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 negative pole of diode in the temperature rise suppression circuit and the first end of primary coil connect, and the positive pole of diode leads to
The second end for crossing the 6th resistance and primary coil connects.
Inductance type ignitor of the present embodiment with triode temperature rise suppression circuit, by increasing temperature rise suppression circuit, to
The colelctor electrode C of five triodes, emitter E back-pressure carry out partial pressure, reduce C, E pole counter current of the 5th triode, can effectively suppress
5th triode temperature rise, so as to very big improvement igniter entirety resistance to elevated temperatures.
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 (1)
1. a kind of inductance type ignitor with triode temperature rise suppression circuit, including the point being made up of primary coil and secondary coil
Live wire circle, the ignition control circuit with parallel connection of primary windings, ignition control circuit are used to control ignition coil to produce high-voltage pulse,
It is characterized in that：Also include the temperature rise suppression circuit that is used to reduce ignition control circuit temperature rise in parallel with IGNITION CONTROL loop；
The temperature rise suppression circuit is made up of a resistance and a Diode series；
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 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 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；
Resistance in the temperature rise suppression circuit is the 6th resistance, the negative pole and primary coil of the diode in temperature rise suppression circuit
First end connection, the positive pole of diode passes through the second end of the 6th resistance and primary coil and connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195798.9U CN206722953U (en) | 2017-03-02 | 2017-03-02 | Inductance type ignitor with triode temperature rise suppression circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195798.9U CN206722953U (en) | 2017-03-02 | 2017-03-02 | Inductance type ignitor with triode temperature rise suppression circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206722953U true CN206722953U (en) | 2017-12-08 |
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ID=60500833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720195798.9U Active CN206722953U (en) | 2017-03-02 | 2017-03-02 | Inductance type ignitor with triode temperature rise suppression circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206722953U (en) |
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2017
- 2017-03-02 CN CN201720195798.9U patent/CN206722953U/en active Active
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