CN202082031U - Inductance type igniter for general gasoline engine - Google Patents
Inductance type igniter for general gasoline engine Download PDFInfo
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- CN202082031U CN202082031U CN2011201942384U CN201120194238U CN202082031U CN 202082031 U CN202082031 U CN 202082031U CN 2011201942384 U CN2011201942384 U CN 2011201942384U CN 201120194238 U CN201120194238 U CN 201120194238U CN 202082031 U CN202082031 U CN 202082031U
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Abstract
The utility model relates to an inductance type igniter for a general gasoline engine. The inductance type igniter comprises an ignition transformer and an ignition control circuit, wherein the ignition control circuit is composed of an ignition angle control circuit and a darlington coil switching control circuit; the darlington coil switching control circuit is composed of three PNP-PNP-NPN triodes and two serially connected resistors; two ends of each serially connected resistor are connected to an emitting electrode of the second triode and a grounded end of an igniter transformer primary coil respectively; serially connected ends of the serially connected resistors are connected to a base electrode of the third triode; an emitting electrode and a collecting electrode of the third triode are respectively connected to the grounded end of the igniter transformer primary coil and a base electrode of the fourth triode; a collecting electrode of the fourth triode is connected to a base electrode of the fifth triode in the ignition angle control circuit; a base electrode of the second triode is connected to a collecting electrode resistor of the first triode in the ignition angle control circuit; a collecting electrode of the second triode and an emitting electrode of the fourth triode are connected to the other end of the igniter transformer primary coil; and two ends of a current collecting resistor are respectively connected to the collecting electrode of the fourth triode and the grounded end of the igniter transformer primary coil in the darlington coil switching control circuit.
Description
Technical field
The utility model relates to a kind of special-purpose member of general gasoline engines, especially a kind of general gasoline engines inductance type igniter.
Background technique
Traditional general gasoline engines inductance type igniter mostly is circuit structure shown in Figure 1 greatly, the ignition transformer B1 that it is made of primary air and secondary winding, ignition control circuit is formed, and ignition control circuit is made of ignition angle control circuit and coil on-off control circuit, the ignition control circuit of this igniter is by two NPN triode Q1, Q5, four resistance R 1, R2, R3, a current acquisition resistance R 5 and the ignition angle control circuit 1 that capacitor C 1 constitutes, and by three triode Q2 of NPN-PNP-NPN, Q3, Q4, the Darlington composite pipe coil on-off control circuit 2 that resistance R 4 constitutes is formed.
Because the rotation of general gasoline engines flywheel, ignition transformer B primary air induces an induced voltage, the ignition angle control circuit that this voltage is formed by resistance R 1, R2, R3, R5, triode Q1, Q5, capacitor C1, control is ended by the conducting of the composite pipe coil on-off circuit that resistance R 4, NPN-PNP-NPN triode Q2, Q3, Q4 form.When elementary coil-induced voltage makes NPN triode Q2 conducting, PNP triode Q3 conducting, thereby make NPN triode Q4 conducting, in this process, there is the part electric current to flow through by base stage, the emitter of collector electrode, emitter and the PNP triode Q3 of NPN triode Q2, because internal resistance is less during the triode saturation conduction, make this road electric current bigger than normal, cause that easily PNP triode Q3 damages, and reduces the working life of igniter.Because the current acquisition resistance R 5 of ignition angle control circuit is connected on the emitter of NPN triode Q4 of composite pipe coil on-off circuit, become the relation of series connection, when the control circuit conducting, the conduction voltage drop of entire circuit is higher, has reduced the ignition energy of igniter.
Summary of the invention
Technical problem to be solved in the utility model is at the deficiencies in the prior art, and a kind of general gasoline engines inductance type igniter is provided, and it is simple in structure, and the triode that can reduce coil on-off circuit in the igniter damages, and prolongs the working life of igniter.
Another technical problem to be solved in the utility model is to reduce the conduction voltage drop of entire circuit, improves the ignition energy of igniter.
The utility model has adopted such technological scheme, a kind of general gasoline engines inductance type igniter, include the ignition transformer that primary air and secondary winding constitute, ignition control circuit, ignition control circuit is made up of ignition angle control circuit and Darlington composite pipe coil on-off control circuit, it is characterized in that in aforementioned ignition control circuit, Darlington composite pipe coil on-off control circuit is made of three triodes of PNP-PNP-NPN and two series resistorss, the 5th resistance is connected with the 6th resistance, the other end of the 5th resistance and the 6th resistance is connected with the emitter of PNP second triode and an end of ignition transformer primary air ground connection respectively, the end that connects altogether of the 5th resistance and the 6th resistance is connected with the base stage of PNP the 3rd triode, the emitter and collector of PNP the 3rd triode is connected with an end of ignition transformer primary air ground connection and the base stage of NPN the 4th triode respectively, the collector electrode of NPN the 4th triode is connected with the base stage of the 5th triode in the ignition angle control circuit, the base stage of PNP second triode is connected with the collector resistance of first triode in the ignition angle control circuit, and the emitter of the collector electrode of PNP second triode and NPN the 4th triode is connected with the other end of ignition transformer primary air.
In the aforementioned ignition control circuit, the current acquisition resistance two ends in the ignition angle control circuit respectively with aforementioned coil on-off control circuit in NPN the 4th transistor collector be connected with aforementioned ignition transformer primary air ground connection one end.
The general gasoline engines inductance type igniter that provides by the utility model, the Darlington composite pipe coil on-off control circuit that has adopted three triodes of PNP-PNP-NPN to constitute, when the second triode conducting of the PNP in this circuit, PNP the 3rd triode conducting, owing between PNP second transistor emitter and PNP the 3rd transistor base, be serially connected with resistance, reduced to flow through the electric current of PNP the 3rd triode, reach the purpose of this triode of protection, the triode that reduces coil on-off circuit in the igniter damages, and has prolonged the working life of igniter; Because the current acquisition resistance in the ignition angle control circuit is connected between the end of the collector electrode of NPN the 4th triode in the coil on-off control circuit and ignition transformer primary air ground connection, the pressure drop that the conducting of PNP the 3rd triode produces in pressure drop that electric current produces on current acquisition resistance and the coil on-off control circuit is a relation in parallel, reduce the conduction voltage drop of entire circuit, improved the ignition energy of igniter.
Description of drawings
The utility model said structure can further specify by the indefiniteness embodiment that accompanying drawing provided.
Fig. 1 is the circuit theory diagrams of existing general gasoline engines inductance type igniter;
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
Embodiment of the present utility model is described with reference to the accompanying drawings.In embodiment shown in Figure 2, a kind of general gasoline engines inductance type igniter, include the ignition transformer B1 that primary air and secondary winding constitute, ignition control circuit, ignition control circuit is made up of ignition angle control circuit 1 and Darlington composite pipe coil on-off control circuit 2, in aforementioned ignition control circuit, Darlington composite pipe coil on-off control circuit 2 is by three triode Q12 of PNP-PNP-NPN, Q13, Q14 and two series resistors R15, R16 constitutes, the 5th resistance R 15 is connected with the 6th resistance R 16, the other end of the 5th resistance R 15 and the 6th resistance R 16 is connected with the emitter of the PNP second triode Q12 and an end of ignition transformer B1 primary air ground connection respectively, the end that connects altogether of the 5th resistance R 15 and the 6th resistance R 16 is connected with the base stage of PNP the 3rd triode Q13, the emitter and collector of PNP the 3rd triode Q13 is connected with an end of ignition transformer B1 primary air ground connection and the base stage of NPN the 4th triode Q14 respectively, the collector electrode of NPN the 4th triode Q14 is connected with the base stage of the 5th triode Q15 in the ignition angle control circuit 1, the base stage of the PNP second triode Q12 is connected with the collector resistance R14 of the first triode Q11 in the ignition angle control circuit 1, and the emitter of the collector electrode of the PNP second triode Q12 and NPN the 4th triode Q14 is connected with the other end of ignition transformer B1 primary air.When the second triode Q12 conducting of the PNP in this circuit; PNP the 3rd triode Q13 conducting; owing between PNP second triode Q12 emitter and PNP the 3rd triode Q13 base stage, be serially connected with resistance R 15; reduced to flow through the electric current of PNP the 3rd triode Q13; reach the purpose of this triode of protection; the triode that reduces coil on-off circuit in the igniter damages, and has prolonged the working life of igniter.
In embodiment shown in Figure 2, in the aforementioned ignition control circuit, ignition angle control circuit 1 is by two PNP triode Q11, Q15, four resistance R 11, R12, R13, R14, a current acquisition resistance R 17, two capacitor C 11, C12 forms, first resistance R 11 is connected with second resistance R 12, it connects end altogether and is connected with PNP the 5th triode Q15 collector electrode with the PNP first triode Q11 base stage respectively, first resistance R 11 is connected with aforementioned ignition transformer B1 primary air two ends respectively with the other end of second resistance R 12, the PNP first triode Q11 emitter is connected with ignition transformer B1 primary air ground connection one end, the two ends of the 3rd resistance R 13 are connected with the aforementioned ignition transformer B1 primary air the other end with the PNP first triode Q11 collector electrode respectively, the 4th resistance R 14 is in parallel with first capacitor C 11, its two ends are connected with the PNP second triode Q12 base stage in the aforementioned coil on-off control circuit 2 with the PNP first triode Q11 collector electrode respectively, second capacitor C 12 just, negative two ends are connected with aforementioned ignition transformer B1 primary air ground connection one end with PNP the 5th triode Q15 emitter respectively, and PNP the 5th triode Q15 base stage is connected with NPN the 4th triode Q14 collector electrode in the aforementioned coil on-off control circuit 2.In the aforementioned ignition control circuit, current acquisition resistance R 17 two ends in the ignition angle control circuit 1 respectively with aforementioned coil on-off control circuit 2 in NPN the 4th triode Q14 collector electrode be connected with aforementioned ignition transformer B1 primary air ground connection one end.Because the current acquisition resistance R 17 in the ignition angle control circuit is connected between the end of the collector electrode of NPN the 4th triode Q14 in the coil on-off control circuit and ignition transformer primary air ground connection, the pressure drop that the conducting of PNP the 3rd triode Q13 produces in pressure drop that electric current produces on current acquisition resistance R 17 and the coil on-off control circuit is a relation in parallel, reduce the conduction voltage drop of entire circuit, improved the ignition energy of igniter.
The foregoing description also only is to be used to illustrate the utility model, is not to restriction of the present utility model, to improvement of the present utility model, all belongs to the scope of the utility model claim protection under design prerequisite of the present utility model.
Claims (2)
1. general gasoline engines inductance type igniter, include the ignition transformer (B1) that primary air and secondary winding constitute, ignition control circuit, ignition control circuit is made up of ignition angle control circuit (1) and Darlington composite pipe coil on-off control circuit (2), it is characterized in that in aforementioned ignition control circuit, Darlington composite pipe coil on-off control circuit (2) is by three triode (Q12 of PNP-PNP-NPN, Q13, Q14) and two series resistors (R15, R16) constitute, the 5th resistance (R15) is connected with the 6th resistance (R16), the other end of the 5th resistance (R15) and the 6th resistance (R16) is connected with the emitter of PNP second triode (Q12) and an end of ignition transformer (B1) primary air ground connection respectively, the end that connects altogether of the 5th resistance (R15) and the 6th resistance (R16) is connected with the base stage of PNP the 3rd triode (Q13), the emitter and collector of PNP the 3rd triode (Q13) is connected with an end of ignition transformer (B1) primary air ground connection and the base stage of NPN the 4th triode (Q14) respectively, the collector electrode of NPN the 4th triode (Q14) is connected with the base stage of the 5th triode (Q15) in the ignition angle control circuit (1), the base stage of PNP second triode (Q12) is connected with the collector resistance (R14) of first triode (Q11) in the ignition angle control circuit (1), and the emitter of the collector electrode of PNP second triode (Q12) and NPN the 4th triode (Q14) is connected with the other end of ignition transformer (B1) primary air.
2. by the described general gasoline engines inductance type of claim 1 igniter, it is characterized in that in the aforementioned ignition control circuit that current acquisition resistance (R17) two ends in the ignition angle control circuit (1) are connected with aforementioned ignition transformer (B1) primary air ground connection one end with middle NPN the 4th triode (Q14) collector electrode of aforementioned coil on-off control circuit (2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201942384U CN202082031U (en) | 2011-06-10 | 2011-06-10 | Inductance type igniter for general gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201942384U CN202082031U (en) | 2011-06-10 | 2011-06-10 | Inductance type igniter for general gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202082031U true CN202082031U (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201942384U Expired - Fee Related CN202082031U (en) | 2011-06-10 | 2011-06-10 | Inductance type igniter for general gasoline engine |
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| Country | Link |
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| CN (1) | CN202082031U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595086A (en) * | 2014-12-05 | 2015-05-06 | 重庆瑜欣平瑞电子有限公司 | Circuit structure of universal gasoline engine igniter |
| CN110836158A (en) * | 2019-12-14 | 2020-02-25 | 杭州百隆电子有限公司 | Control circuit of single-phase gasoline generator |
-
2011
- 2011-06-10 CN CN2011201942384U patent/CN202082031U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595086A (en) * | 2014-12-05 | 2015-05-06 | 重庆瑜欣平瑞电子有限公司 | Circuit structure of universal gasoline engine igniter |
| CN110836158A (en) * | 2019-12-14 | 2020-02-25 | 杭州百隆电子有限公司 | Control circuit of single-phase gasoline generator |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20200610 |
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| CF01 | Termination of patent right due to non-payment of annual fee |