CN102889160A - Ignition controller circuit of ignition coil - Google Patents
Ignition controller circuit of ignition coil Download PDFInfo
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- CN102889160A CN102889160A CN2012104243643A CN201210424364A CN102889160A CN 102889160 A CN102889160 A CN 102889160A CN 2012104243643 A CN2012104243643 A CN 2012104243643A CN 201210424364 A CN201210424364 A CN 201210424364A CN 102889160 A CN102889160 A CN 102889160A
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Abstract
The invention relates to an ignition controller circuit of an ignition coil. The ignition controller circuit is characterized by consisting of a capacitor C1, resistors R1 to R4, a programmable three-terminal regulator V and an insulated gate bipolar transistor (IGBT) power tube Q, wherein one end of the capacitor C1 is grounded, and the other end of the capacitor C1 is connected with one end of the resistor R2, one end of the resistor R4 and a negative end K of the programmable three-terminal regulator V to form an ignition signal input end; the other end of the resistor R2 is connected with one end of the resistor R3 and a voltage reference end R of the programmable three-terminal regulator V; the other end of the resistor R4 is connected with a gate of the IGBT power tube Q to form a driving end of the IGBT power tube Q; the other end of the resistor R3 is connected with one end of the resistor R1 and an emitter of the IGBT power tube Q to form an input sampling end of the programmable three-terminal regulator V; the other end of the resistor R1 is connected with a positive end A of the programmable three-terminal regulator V, and is grounded; and the ignition controller circuit is arranged on a thick film circuit board. The ignition controller circuit has the advantages of simple structure, reliable performance, low cost and long service life.
Description
Technical field
The present invention relates to automotive engine ignition system, relate in particular to a kind of ignition controler circuit of car engine ignition coil.
Background technique
Development along with automotive electronic technology, engine performance is required day by day to improve, adopt the microcomputer controlled electronic ignition system of ECU (Electrical Control Unit) ECU and ignition controler to replace gradually traditional mechanical type or the ignition system by contact breaker points control becomes Ignition technology main flow.The effect of ECU (Electrical Control Unit) ECU is according to the information of each sensor input of motor and data and the program of internal memory, carrying out computing, processing, judgement then exports the igniting SC sigmal control and is connected to ignition controler in the spark coil armature winding, ignition controler is accepted the fire signal that ECU sends, cut off the electric current in the armature winding, make the very high induced voltage of generation in the secondary windings, for the spark ignitor mixed gas, thereby realize the control of more accurate time of ignition and ignition energy, reach the purpose of accurate control engine igniting.
But existing ignition controler circuit generally is comprised of intergrated circuit and some discrete electronic parts and components, sort controller circuit elements number of devices is many, many, the complex structure of solder joint, rate of fault is high, especially adopt special-purpose intergrated circuit to have price, buying difficulty and high in cost of production problem are limited to its application.In addition, the components and parts of existing ignition controler circuit are welded on common printed circuit board, and its heat dispersion is poor, directly affects the components and parts performance, and accelerated ageing affects working life.The structural behaviour that how to overcome above-mentioned drawback improvement ignition controler circuit becomes the industry concerned issue.
Summary of the invention
Main purpose of the present invention is for the problems referred to above, provides a kind of simple in structure, reliable performance, component purchase convenient, the ignition controler circuit of the low and spark coil that increases the service life of cost.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of ignition controler circuit of spark coil, it is characterized in that by capacitor C 1, resistance R 1, R2, R3, R4, three terminal regulator V able to programme and IGBT power tube Q form, one end ground connection of described capacitor C 1, one end of the other end of capacitor C 1 and resistance R 2, one end of resistance R 4 and the negative pole end K of three terminal regulator V able to programme are connected to form the fire signal input end, the other end of resistance R 2 is connected with an end of resistance R 3 and the Voltage Reference end R of three terminal regulator V able to programme, the gate pole of the other end of resistance R 4 and IGBT power tube Q is connected to form the drive end of IGBT power tube Q, the emitter of one end of the other end of resistance R 3 and resistance R 1 and IGBT power tube Q is connected to form the input sample end of three terminal regulator V able to programme, and the other end of resistance R 1 connects positive terminal A and the ground connection of three terminal regulator V able to programme.
Described ignition controler circuit is arranged on the thick film circuit board.
The invention has the beneficial effects as follows: adopted three terminal regulator able to programme, size of current signal when this device can obtain IGBT power tube Q work, through processing the operating current operating current of spark coil namely of controlling IGBT power tube Q at corresponding voltage signal of its negative pole end K output, with the operating current work according to setting, this has just reached the purpose of constant current work, protect IGBT power tube Q normal operation, guaranteed ignition energy, guaranteed reliable ignition; And, so the fire signal that ECU sends here is because quite accurate by the resistance R 4 direct ignition timing controls that are connected with IGBT power tube Q.Three terminal regulator V able to programme only has three leading out terminals, it is few to have outward element, easy to use, stable performance, the advantage such as cheap, this circuit only needs an IGBT power tube Q and a small amount of resistance, electric capacity can finish the IGNITION CONTROL function on the basis of three terminal regulator V able to programme, and is more high-leveled and difficult in the specific integrated circuit of buying than having saved price with available circuit, reaches simultaneously the constand current purpose; And component is few, solder joint is few, this fault rate is reduced and has realized that simple in structure, reliable performance, buying are convenient, the effect that cost is low.When the present invention uses, on thick film circuit board, because adopting thick film circuit board radiating efficiency is improved greatly above-mentioned ignition controler circuit production, can effectively prolong the ignition controler life-span.
Description of drawings
Fig. 1 is circuit structure of the present invention and uses schematic representation.
Below in conjunction with drawings and Examples to the detailed description of the invention.
Embodiment
For be connected in the spark coil armature winding the ignition controler circuit requirement its must holding point fire coil current constant, stable with the guarantee point ignition voltage.Therefore, ignition controler circuit provided by the invention must satisfy the requirement of the current constant that make spark coil when simplifying circuit structure, minimizing fault, reducing cost.
For above requirement, as shown in Figure 1, the invention provides out a kind of ignition controler circuit of spark coil, it is characterized in that by capacitor C 1, resistance R 1, R2, R3, R4, three terminal regulator V able to programme and IGBT power tube Q form, and power tube Q has adopted insulated gate bipolar transistor here; One end ground connection of above-mentioned capacitor C 1, one end of the other end of capacitor C 1 and resistance R 2, one end of resistance R 4 and the negative pole end K of three terminal regulator V able to programme are connected to form the fire signal input end, the other end of resistance R 2 is connected with an end of resistance R 3 and the Voltage Reference end R of three terminal regulator V able to programme, the gate pole of the other end of resistance R 4 and IGBT power tube Q is connected to form the drive end of IGBT power tube Q, the emitter of one end of the other end of resistance R 3 and resistance R 1 and IGBT power tube Q is connected to form the input sample end of three terminal regulator V able to programme, and the other end of resistance R 1 connects positive terminal A and the ground connection of three terminal regulator V able to programme.
When actual fabrication, above-mentioned ignition controler circuit is arranged on the thick film circuit board.
In the present embodiment, having adopted commercially available model is the three terminal regulator V able to programme of TL432M, has adopted 120510 type thick film circuit boards.As shown in Figure 1, when being applied in the automotive engine ignition system, the fire signal input end of foregoing circuit is connected ECU, the collector electrode of output terminal IGBT power tube Q armature winding one end by spark coil T is linked to each other with power supply E is anodal.
The working principle of above-mentioned ignition controler circuit is as follows:
During work, the collector electrode of IGBT power tube Q links to each other with power supply E is anodal by armature winding one end of spark coil T, for circuit provides working power, the fire signal that while ECU sends here is that 5V square signal S1 drives IGBT power tube Q work through the drive end of IGBT power tube Q, IGBT power tube Q conducting when fire signal S1 rising edge arrives, positive source forms current path by resistance R 1 to ground to its emitter through IGBT power tube Q collector electrode by the spark coil armature winding; This electric current progressively increases, at this moment the pressure drop V on the resistance R 1
R1Increase, according to the performance characteristic of three terminal regulator V able to programme, the voltage of Voltage Reference end R remains the constant V of being
R=1.25V is according to the voltage formula V of the negative pole end K of three terminal regulator V able to programme
K=(1+R
2/ R
3) * V
R1Learn V
KCan not increase, the operating current that has so just limited IGBT power tube Q further increases, as long as set the R of proper ratio
2, R
3Value, can obtain the output current of the IGBT power tube Q that needs, also be the steady current of spark coil.
In foregoing circuit, so the 5V square signal S1 that ECU sends here is because quite accurate by the resistance R 4 direct ignition timing controls that are connected with IGBT power tube Q.Again owing to adopted three terminal regulator able to programme; this device can be by the size of current signal of resistance R 3 when resistance R 1 is obtained IGBT power tube Q work; it is inner to be input to three terminal regulator able to programme by reference edge R; the operating current of controlling IGBT power tube Q through corresponding voltage signal of negative pole end K output of processing at three terminal regulator able to programme is the operating current of spark coil namely; with the operating current work according to setting; this has just reached the purpose of constant current work; protected IGBT power tube Q normal operation; guarantee ignition energy, guaranteed reliable ignition.
This circuit application three terminal regulator V able to programme, because it only has three leading out terminals, it is few to have outward element, easy to use, stable performance, the advantage such as cheap, this circuit only need an IGBT power tube Q and a small amount of resistance, electric capacity can finish the IGNITION CONTROL function on the basis of three terminal regulator V able to programme, reach simultaneously the constand current purpose.With available circuit than component reduce, solder joint lacks, and realized that simple in structure, reliable performance, buying are convenient so rate of fault reduces, the effect that cost is low.
In actual applications, with above-mentioned ignition controler circuit production on thick film circuit board, because the radiating efficiency of thick film circuit board than common printed circuit board significantly improves, thereby, make the ignition controler life.
The above only is the preferred embodiments of the present invention, is not shape material of the present invention and structure are done any pro forma restriction.Every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment does.
Claims (2)
1. the ignition controler circuit of a spark coil, it is characterized in that by capacitor C 1, resistance R 1, R2, R3, R4, three terminal regulator V able to programme and IGBT power tube Q form, one end ground connection of described capacitor C 1, one end of the other end of capacitor C 1 and resistance R 2, one end of resistance R 4 and the negative pole end K of three terminal regulator V able to programme are connected to form the fire signal input end, the other end of resistance R 2 is connected with an end of resistance R 3 and the Voltage Reference end R of three terminal regulator V able to programme, the gate pole of the other end of resistance R 4 and IGBT power tube Q is connected to form the drive end of IGBT power tube Q, the emitter of one end of the other end of resistance R 3 and resistance R 1 and IGBT power tube Q is connected to form the input sample end of three terminal regulator V able to programme, and the other end of resistance R 1 connects positive terminal A and the ground connection of three terminal regulator V able to programme.
2. the ignition controler circuit of spark coil according to claim 1 is characterized in that described ignition controler circuit is arranged on the thick film circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210424364.3A CN102889160B (en) | 2012-10-30 | 2012-10-30 | The controller circuit of ignition of spark coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210424364.3A CN102889160B (en) | 2012-10-30 | 2012-10-30 | The controller circuit of ignition of spark coil |
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| Publication Number | Publication Date |
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| CN102889160A true CN102889160A (en) | 2013-01-23 |
| CN102889160B CN102889160B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210424364.3A Active CN102889160B (en) | 2012-10-30 | 2012-10-30 | The controller circuit of ignition of spark coil |
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| CN (1) | CN102889160B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916636A (en) * | 2014-03-14 | 2015-09-16 | 富士电机株式会社 | Semiconductor device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5967128A (en) * | 1997-05-26 | 1999-10-19 | Hitachi, Ltd. & Hitachi Car Engineering Co. | Ignition apparatus for an internal combustion engine |
| WO2012069358A2 (en) * | 2010-11-23 | 2012-05-31 | Continental Automotive Gmbh | Ignition device for an internal combustion engine and method for operating an ignition device for an internal combustion engine |
| CN202417779U (en) * | 2011-12-08 | 2012-09-05 | 天津斯巴克瑞汽车电子有限公司 | Multifunctional double-circuit ignition controller |
| CN202417778U (en) * | 2011-12-08 | 2012-09-05 | 天津斯巴克瑞汽车电子有限公司 | Multifunctional electronic ignition controller for automobile |
| CN202851237U (en) * | 2012-10-30 | 2013-04-03 | 天津市新阳电子有限公司 | Ignition controller circuit of ignition coil |
-
2012
- 2012-10-30 CN CN201210424364.3A patent/CN102889160B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5967128A (en) * | 1997-05-26 | 1999-10-19 | Hitachi, Ltd. & Hitachi Car Engineering Co. | Ignition apparatus for an internal combustion engine |
| WO2012069358A2 (en) * | 2010-11-23 | 2012-05-31 | Continental Automotive Gmbh | Ignition device for an internal combustion engine and method for operating an ignition device for an internal combustion engine |
| CN202417779U (en) * | 2011-12-08 | 2012-09-05 | 天津斯巴克瑞汽车电子有限公司 | Multifunctional double-circuit ignition controller |
| CN202417778U (en) * | 2011-12-08 | 2012-09-05 | 天津斯巴克瑞汽车电子有限公司 | Multifunctional electronic ignition controller for automobile |
| CN202851237U (en) * | 2012-10-30 | 2013-04-03 | 天津市新阳电子有限公司 | Ignition controller circuit of ignition coil |
Non-Patent Citations (1)
| Title |
|---|
| 刘明芳，张小兵: "半导体桥点火电路的设计与仿真", 《火工品》, no. 2, 30 April 2008 (2008-04-30), pages 1 - 5 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916636A (en) * | 2014-03-14 | 2015-09-16 | 富士电机株式会社 | Semiconductor device |
| CN104916636B (en) * | 2014-03-14 | 2020-09-01 | 富士电机株式会社 | Semiconductor device with a plurality of semiconductor chips |
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| Publication number | Publication date |
|---|---|
| CN102889160B (en) | 2016-01-20 |
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Inventor after: Ren Zengchun Inventor after: Wang Yuexing Inventor before: Wang Yuexing |
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Effective date of registration: 20151209 Address after: 14 No. eight in Taiwan town four 300000 Avenue Tianjin Fengze District of Jinnan City Applicant after: SUN ELECTRONIC CO., LTD. Address before: 300350, No. 38 South Hong Kong Road, Xin Xin Industrial Park, Jinnan, Tianjin Applicant before: Sun Electronic Co., Ltd. |
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