CN105490528B - High-pressure shunting circuit for ignition system - Google Patents
High-pressure shunting circuit for ignition system Download PDFInfo
- Publication number
- CN105490528B CN105490528B CN201511022219.2A CN201511022219A CN105490528B CN 105490528 B CN105490528 B CN 105490528B CN 201511022219 A CN201511022219 A CN 201511022219A CN 105490528 B CN105490528 B CN 105490528B
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- CN
- China
- Prior art keywords
- ignition system
- mosfet
- pressure shunting
- wave generator
- square
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P3/00—Other installations
- F02P3/02—Other installations having inductive energy storage, e.g. arrangements of induction coils
- F02P3/04—Layout of circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P3/00—Other installations
- F02P3/02—Other installations having inductive energy storage, e.g. arrangements of induction coils
- F02P3/04—Layout of circuits
- F02P3/05—Layout of circuits for control of the magnitude of the current in the ignition coil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/125—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M3/135—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
Include driving unit and several thyristors the invention discloses a kind of high-pressure shunting circuit for ignition system, wherein driving unit includes square-wave generator, MOSFET driving chips, MOSFET and several rectification circuits；The input terminal of the square-wave generator is electrically connected with ECU, and the output end of square-wave generator is electrically connected with the input terminal of MOSFET driving chips, and MOSFET is connected with MOSFET driving chips, rectification circuit respectively；Each thyristor corresponds to a rectification circuit, and all thyristors are sequentially connected in series and input terminal is connected with high-voltage energy-storage device, output end is connected with the secondary coil of ignition coil in ignition system.The present invention can solve the problems, such as the high-pressure shunting of the high-energy ignition system with high-voltage energy-storage device in this way by the way that several Thyristors in series are formed the higher high-pressure shunting circuit of a pressure resistance.
Description
Technical field
The present invention is related with the ignition system of engine, particularly belongs to a kind of height of the Thyristors in series for ignition system
Press shunt circuit.
Background technology
The ignition system of engine includes mainly electronic control unit (Electronic Control Unit, abbreviation
ECU), with the relevant sensor of ignition system, ignition switch, ignition coil and spark plug, wherein ignition coil is engine
The kernel component of ignition system, as shown in Figure 1, primary structure includes the iron core of primary coil, secondary coil and magnetic conduction.
Currently, the operating mode of the engine igniting system of mainstream is as shown in Figure 1, ignition switch is controlled by Engine ECU.
When charging, ECU reception signals are handled and exporting control signal makes ignition switch open, and primary coil starts to charge up, energy
Storage is in the core；In engine igniting time, ECU sends out control signal again makes ignition switch close rapidly, primary coil
In current break cause the magnetic field of iron core to be mutated, secondary coil instantaneously induces tens thousand of volt high pressures, is punctured by spark plug mixed
It closes gas and completes engine ignition.
As regulation is to the increasingly harsh of fuel consumption and emission, and the pursuit to engine power performance, in addition newly
Technology such as supercharging, direct-injection, lean burn, homogeneous combustion and high EGR (Exhaust Gas Recirculation, abbreviation EGR) rate
The appearance of engine proposes increasingly higher demands, especially ignition energy to engine igniting system.Due to installation dimension
Limitation, ignition coil cannot increase energy output simply by increasing size, and as ignition system core zero
The ignition coil of part, when the structure of ignition coil is fixed, coil can store the finite energy of transmission, at all can not be according to starting
The actual demand of machine freely adjusts ignition energy.
To solve the above-mentioned problems, it is secondary coil to increase high-voltage energy-storage device on the basis of mainstream ignition system at present
Additional energy is injected, and the opening/closing time by controlling high-voltage switch gear realizes freely adjusting for ignition energy, such as Fig. 2 institutes
Show.However, the voltage of high-voltage energy-storage device generally reaches thousands of volts, current Single Electron switch has been greatly exceeded most
Big pressure voltage, therefore there are problems that partial pressure.
Invention content
Technical problem to be solved by the invention is to provide a kind of high-pressure shunting circuits for ignition system, can solve
The high-pressure shunting problem of ignition system with high-voltage energy-storage device.
In order to solve the above technical problems, the high-pressure shunting circuit provided by the present invention for ignition system includes driving unit
With several thyristors, wherein driving unit includes square-wave generator, MOSFET driving chips, MOSFET (Metal-Oxide-
Semiconductor Field-Effect Transistor, i.e. metal-oxide semiconductor fieldeffect transistor, referred to as gold
Oxygen half field effect transistor) and several rectification circuits；The input terminal of the square-wave generator is electrically connected with ECU, square-wave generator
The input terminal of output end and MOSFET driving chips be electrically connected, MOSFET respectively with MOSFET driving chips, rectification circuit
It is connected；Each thyristor corresponds to a rectification circuit, all thyristors are sequentially connected in series and input terminal is connected with high-voltage energy-storage device,
Output end is connected with the secondary coil of ignition coil in ignition system.
Wherein, each rectification circuit includes transformer and rectifier diode, the primary coil and MOSFET of the transformer
It is electrically connected, one end of secondary coil is connected by rectifier diode with the gate pole of corresponding thyristor, the other end of secondary coil
It is connected with the cathode of corresponding thyristor.The ends G of the MOSFET are connected with MOSFET driving chips, the ends D and transformer just
Grade coil is connected, the ends S ground connection.
Further, the thyristor groups at series circuit and a static state voltage equipoise circuit in parallel.Wherein, described static equal
Volt circuit is equalizing resistance.
Further, the thyristor groups at series circuit it is in parallel with a dynamic voltage-balancing.Wherein, the dynamic is equal
Volt circuit includes concatenated dynamic voltage balancing resistance and capacitance.
In foregoing circuit, the square-wave generator is high frequency square wave generator.
The present invention can be solved in this way by the way that several Thyristors in series are formed the higher high-pressure shunting circuit of a pressure resistance
The energy of high-voltage energy-storage device is input to pair by the high-pressure shunting problem of the high-energy ignition system with high-voltage energy-storage device in an orderly manner
The secondary coil for answering ignition coil, to reach extension discharge time, increase ignition energy, reduce the probability that catches fire, raising burning
Efficiency, the effect for reducing discharge, increasing power output.
Description of the drawings
Fig. 1 is the schematic diagram of existing ignition system；
Fig. 2 is the schematic diagram of the high-pressure shunting circuit containing the present invention and the ignition system of high-voltage energy-storage device；
Fig. 3 is the schematic diagram of the high-pressure shunting circuit of the present invention.
Specific implementation mode
The present invention is described in further detail with specific implementation mode below in conjunction with the accompanying drawings.
The high-pressure shunting circuit for ignition system of the present invention is suitable for the ignition system with high-voltage energy-storage device, such as
Shown in Fig. 2, a high-voltage energy-storage device is connected simultaneously with the secondary coil of corresponding ignition coil respectively by several high-voltage switch gears
The open-minded of corresponding ignition coil high-voltage switch gear is controlled by ECU, to realize that high-voltage energy-storage device is followed successively by secondary coil afterflow.
Since all ignition coils share a high-voltage energy-storage device, it can generate thousands of volt high pressures, so each ignition coil is equipped with
One high-pressure shunting circuit, the high-pressure shunting circuit are equivalent to high-voltage switch gear, as described in Figure 3, including driving unit and several crystalline substances
Brake tube, wherein driving unit include square-wave generator, MOSFET driving chips, MOSFET and several rectification circuits；Square wave occurs
The input terminal of device is electrically connected with ECU, and the output end of square-wave generator is electrically connected with the input terminal of MOSFET driving chips,
MOSFET is connected with MOSFET driving chips, rectification circuit respectively；Each thyristor corresponds to a rectification circuit, all thyristors
It is sequentially connected in series and input terminal is connected with high-voltage energy-storage device, output end is connected with the secondary coil of ignition coil in ignition system.
In foregoing circuit, the square-wave generator is high frequency square wave generator.For example, the working frequency of square-wave generator is 10KHZ
~100KHZ.
In this embodiment, each rectification circuit includes transformer and rectifier diode, the primary coil of the transformer
It is electrically connected with the ends D of MOSFET (draining), the gate pole that one end of secondary coil passes through rectifier diode and corresponding thyristor
It is connected, the other end of secondary coil is connected with the cathode of corresponding thyristor.The ends G (i.e. grid) of MOSFET drive core with MOSFET
Piece is connected, the ends S (i.e. source electrode) ground connection.
In addition, in order to realize static state voltage equipoise and dynamic voltage balancing, by all thyristor groups at series circuit it is quiet with one respectively
State equalizer circuit, a dynamic voltage-balancing are in parallel.Wherein, static state voltage equipoise circuit generally use equalizing resistance, by with thyristor
Series circuit parallel resistance realize static state voltage equipoise, dynamic voltage-balancing generally use dynamic voltage balancing resistance, capacitance, by with brilliant lock
Pipe series circuit parallel resistance, capacitance realize dynamic voltage balancing.
The present invention uses the high-pressure shunting circuit of Thyristors in series, and operating mode and performance are as follows：
1) realize that signal transmits：According to igniting sequential, when needing cylinder that high-pressure delivery is a certain to engine, ECU is sent
Signal gives corresponding high frequency square wave generator, the high-frequency signal that it can generate certain duty ratio to give MOSFET driving chips, to
MOSFET is driven to realize that the HF switch of transformer, transformer generate current pulse signal to control pair during HF switch
Answer the switch of thyristor；
2) thyristor synchronizes driving and synchronous conducting：Two or more transformers are driven using the same MOSFET, are ensured
The consistency of transformer drive signal；By transformer secondary output, multi-thread while coiling ensures the consistent of transformer output signal
Property, the i.e. consistency of thyristor driver signal；Transformer secondary output capacitance is adjusted, the rate of rise of thyristor driver signal is made to reach
Thyristor driver requirement advantageously ensures that thyristor synchronizes conducting；
3) static state voltage equipoise and dynamic voltage balancing：By for Thyristors in series circuit in parallel static state voltage equipoise circuit and dynamic voltage balancing electricity
Road solves the problems, such as the static state voltage equipoise of thyristor and dynamic voltage balancing；
4) high-voltage problem：There are thousands of volt high pressures, transformer and associated electronics are both needed to meet high pressure to be wanted transformer secondary output
It asks, the internal high pressure insulation of circuit board is carried out during wiring, and carry out external high pressure insulation simultaneously.
The present invention can be solved in this way by the way that several Thyristors in series are formed the higher high-pressure shunting circuit of a pressure resistance
The high-pressure shunting problem of high-energy ignition system with high-voltage energy-storage device, using several high-pressure shunting circuits by high-voltage energy-storage device
Energy be input to the secondary coil of corresponding ignition coil in an orderly manner, extend discharge time to reach, increase ignition energy, drop
The low probability that catches fire, the effect improve efficiency of combustion, reduce discharge, increasing power output.
The present invention has been described in detail through specific embodiments, the embodiment be only the present invention compared with
Good embodiment not limits the invention.Without departing from the principles of the present invention, those skilled in the art couple
The equivalent replacement and improvement that the type etc. of electronic component is made are regarded as in the technology scope that the present invention is protected.
Claims (8)
1. a kind of high-pressure shunting circuit for ignition system, which is characterized in that including driving unit and several thyristors, wherein
Driving unit includes square-wave generator, MOSFET driving chips, MOSFET and several rectification circuits；The square-wave generator it is defeated
Enter end to be electrically connected with ECU, the output end of square-wave generator is electrically connected with the input terminal of MOSFET driving chips, MOSFET points
It is not connected with MOSFET driving chips, rectification circuit；Each thyristor corresponds to a rectification circuit, and all thyristors are sequentially connected in series
And input terminal is connected with high-voltage energy-storage device, output end is connected with the secondary coil of ignition coil in ignition system.
2. the high-pressure shunting circuit according to claim 1 for ignition system, which is characterized in that each rectification circuit packet
Transformer and rectifier diode are included, primary coil and the MOSFET of the transformer are electrically connected, and one end of secondary coil passes through
Rectifier diode is connected with the gate pole of corresponding thyristor, and the other end of secondary coil is connected with the cathode of corresponding thyristor.
3. the high-pressure shunting circuit according to claim 2 for ignition system, which is characterized in that the G of the MOSFET
End is connected with MOSFET driving chips, and the ends D are connected with the primary coil of transformer, the ends S ground connection.
4. the high-pressure shunting circuit according to claim 1 for ignition system, which is characterized in that the thyristor groups at
Series circuit and a static state voltage equipoise circuit in parallel.
5. the high-pressure shunting circuit according to claim 4 for ignition system, which is characterized in that the static state voltage equipoise electricity
Road is equalizing resistance.
6. the high-pressure shunting circuit according to claim 1 for ignition system, which is characterized in that the thyristor groups at
Series circuit it is in parallel with a dynamic voltage-balancing.
7. the high-pressure shunting circuit according to claim 6 for ignition system, which is characterized in that the dynamic voltage balancing electricity
Road includes concatenated dynamic voltage balancing resistance and capacitance.
8. the high-pressure shunting circuit according to claim 1 for ignition system, which is characterized in that the square-wave generator
For high frequency square wave generator.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511022219.2A CN105490528B (en) | 2015-12-30 | 2015-12-30 | High-pressure shunting circuit for ignition system |
| PCT/CN2016/103661 WO2017113969A1 (en) | 2015-12-30 | 2016-10-28 | High-voltage shunt circuit for ignition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511022219.2A CN105490528B (en) | 2015-12-30 | 2015-12-30 | High-pressure shunting circuit for ignition system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105490528A CN105490528A (en) | 2016-04-13 |
| CN105490528B true CN105490528B (en) | 2018-08-21 |
Family
ID=55677324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511022219.2A Active CN105490528B (en) | 2015-12-30 | 2015-12-30 | High-pressure shunting circuit for ignition system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105490528B (en) |
| WO (1) | WO2017113969A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490528B (en) * | 2015-12-30 | 2018-08-21 | 联合汽车电子有限公司 | High-pressure shunting circuit for ignition system |
| CN108173431B (en) * | 2016-12-07 | 2022-06-24 | 特变电工新疆新能源股份有限公司 | High-voltage direct-current energy-taking converter based on synchronous conduction technology |
| CN110206673B (en) * | 2019-05-20 | 2020-04-28 | 上海交通大学 | High-energy discharge ignition device and control method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564479A (en) * | 2014-12-29 | 2015-04-29 | 联合汽车电子有限公司 | Engine ignition system and method |
| CN204610119U (en) * | 2015-03-12 | 2015-09-02 | 浙江吉利控股集团有限公司 | For the ignition system of serial mixed power vehicle |
| CN205377660U (en) * | 2015-12-30 | 2016-07-06 | 联合汽车电子有限公司 | A high -pressure branch circuit for ignition system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5352861A (en) * | 1992-10-02 | 1994-10-04 | General Electric Co. | Resonant high-voltage pulser for arcjet thruster ignition |
| US5872703A (en) * | 1997-08-25 | 1999-02-16 | The Charles Machine Works, Inc. | System and method for regulating power in tank circuits having a bridge configuration |
| JP4399993B2 (en) * | 2000-10-24 | 2010-01-20 | 株式会社デンソー | Ignition device for internal combustion engine |
| CN203595461U (en) * | 2013-12-03 | 2014-05-14 | 桂林航天电子有限公司 | High-tension ignition relay |
| CN103644786B (en) * | 2013-12-03 | 2015-04-08 | 桂林航天电子有限公司 | High-voltage ignition relay and operating method thereof |
| CN203617979U (en) * | 2013-12-24 | 2014-05-28 | 国家电网公司 | High-voltage square-wave generator |
| CN105490528B (en) * | 2015-12-30 | 2018-08-21 | 联合汽车电子有限公司 | High-pressure shunting circuit for ignition system |
-
2015
- 2015-12-30 CN CN201511022219.2A patent/CN105490528B/en active Active
-
2016
- 2016-10-28 WO PCT/CN2016/103661 patent/WO2017113969A1/en not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564479A (en) * | 2014-12-29 | 2015-04-29 | 联合汽车电子有限公司 | Engine ignition system and method |
| CN204610119U (en) * | 2015-03-12 | 2015-09-02 | 浙江吉利控股集团有限公司 | For the ignition system of serial mixed power vehicle |
| CN205377660U (en) * | 2015-12-30 | 2016-07-06 | 联合汽车电子有限公司 | A high -pressure branch circuit for ignition system |
Non-Patent Citations (1)
| Title |
|---|
| "晶闸管串联运行的暂态仿真分析";王毅等;《中国电机工程学会第八届青年学术会议》;20041001;401-405 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105490528A (en) | 2016-04-13 |
| WO2017113969A1 (en) | 2017-07-06 |
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