CN100510362C - Ignition ejection driving system for single fuel electronic ejection engine - Google Patents
Ignition ejection driving system for single fuel electronic ejection engine Download PDFInfo
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- CN100510362C CN100510362C CNB031252044A CN03125204A CN100510362C CN 100510362 C CN100510362 C CN 100510362C CN B031252044 A CNB031252044 A CN B031252044A CN 03125204 A CN03125204 A CN 03125204A CN 100510362 C CN100510362 C CN 100510362C
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Abstract
The ignition injection driving system of single-fuel electric injection engine includes two portions of ignition and injection, in which the ignition portion can be used for receiving ignition signals of three lines which are sent out by electric control unit of the engine and engine phase signal sent out by phase sensor to make logic operation, then producing sequence ignition signal and respectively driving ignition coils of six cylinders so as to implement to goal of sequence ignition. The injection portion can be used for making amplification treatment of injection nozzle control signals of three lines sent out by engine and increasing the power for driving injection nozzle so as to attain the goal of driving nozzle.
Description
Technical field: the present invention relates to a kind of single-fuel electronic fuel injection engine igniting jet drive system, control in particular for igniting of EQ6102 rock gas electronic fuel injection engine and jet drive.
Background technique: EQ6102 rock gas electronic fuel injection engine adopts a kind of ECU (Electrical Control Unit) of the electric control gasoline engine of having developed and having grasped, what this ECU (Electrical Control Unit) was exported is the grouping fire signal, can not satisfy the sequentially fired requirement of this motor, and this engine electric-controlled unit can only the big slightly voltage-type nozzle of driving resistor, can not drive the low-resistance current type nozzle that this motor adopts.
Summary of the invention: the present invention is sequentially fired and drive the problem of low-resistance current type nozzle for the ECU (Electrical Control Unit) that solves EQ6102 rock gas electronic fuel injection engine and adopt can not satisfy, a kind of single-fuel electronic fuel injection engine igniting jet drive system is proposed, comprise igniting and spray two-part and it is characterized in that: described ignition section is by the fire signal processing circuit, phase signal processing circuit, logical operation circuit, ignition drive circuit and current-limiting circuit are formed, the ignition control signal of ECU (Electrical Control Unit) output and phase detector signal are respectively through the fire signal processing circuit, phase signal processing circuit reaches logical operation circuit with entering, the feedback of process current-limiting protection circuit when signal arrives ignition drive circuit, last point of arrival fire coil; Described spout part is made up of jet drive circuit and secondary current-limiting circuit; jet drive circuit comprises one-level amplification circuit, second amplifying circuit, power amplification circuit; the nozzle control signal of ECU (Electrical Control Unit) output drives nozzle through one-level amplification, secondary amplification, power amplification; and driving current taken a sample, sampling current through the current/voltage conversion after the current-limiting protection system feedback to second amplifying circuit.
The motor phase signal that three road fire signals that ignition section reception engine electric-controlled unit of this single-fuel electronic fuel injection engine igniting jet drive system is sent and phase detector send, carry out producing the spark coil that sequentially fired signal also drives six cylinders respectively after the logical operation, realized sequentially fired purpose; Three road nozzle control signals that spout part is sent motor amplify to handle increases the ability that drives nozzle, has reached the purpose that drives nozzle.
Description of drawings: Fig. 1 is the theory diagram of single-fuel electronic fuel injection engine of the present invention igniting jet drive system;
Fig. 2 is the fire signal ESTA processing circuit figure of ignition section of the present invention;
Fig. 3 is the phase signal processing circuit figure of ignition section of the present invention;
Fig. 4 is the logical operation of the branch of lighting a fire of the present invention and the circuit diagram that igniting drives;
Fig. 5 is the current-limiting circuit figure of ignition section of the present invention;
Fig. 6 is the jet drive circuit figure of spout part of the present invention;
Fig. 7 is the current-limiting circuit figure of spout part of the present invention.
Embodiment: this single-fuel electronic fuel injection engine igniting jet drive system comprises igniting and sprays two-part; the motor phase signal that three road fire signals that ignition section reception engine electric-controlled unit is sent and phase detector send carries out logical operation; produce the spark coil that sequentially fired signal also drives six cylinders respectively; final realization is sequentially fired; and at the particularity of gas fuel; it is the burning-point height; spark coil is different from the spark coil of regular price gasoline machine; so also increase the current-limiting protection function, to avoid the damaging power drive device because of electric current is excessive.Spout part is the characteristics of low-resistance current type nozzle at the nozzle that natural gas engine adopted, and spout part receives three road nozzle control signals that motor is sent, thereby and this signal carried out vast processing increase the ability that it drives nozzle; Increase the nozzle current-limiting protection circuit simultaneously, nozzle and power drive device are protected.As shown in Figure 1, wherein ignition section is made up of fire signal processing circuit, phase signal processing circuit, logical operation circuit, ignition drive circuit and current-limiting circuit; Spout part is made up of jet drive circuit and two current-limiting circuits, and jet drive circuit comprises one-level amplification circuit, second amplifying circuit, power amplification circuit.Engine electric-controlled unit sends three road fire signals and injection signal respectively; three road injection signals drive nozzle through one-level amplification circuit, second amplifying circuit, power amplification; drive nozzle 1, nozzle 2, nozzle 3 respectively; and driving current taken a sample, sampling current through the current/voltage conversion after the current-limiting protection system feedback to second amplifying circuit.Three road fire signals and phase detector signal arrive logical operation circuit simultaneously through fire signal processing circuit, phase signal processing circuit respectively; the feedback of process current-limiting protection circuit when signal arrives ignition drive circuit; last point of arrival fire coil 1 and spark coil 2; spark coil 1 and ignition wire circle 2 drive six cylinders respectively, realize sequentially fired.
Three road fire signal processing circuit principles of igniting branch are identical; at this as an illustration: as shown in Figure 2 with one, six cylinder fire signal ESTA processing circuits; capacitor C 3 and resistance R 8 are formed signal filter circuit; the clamped protective circuit of signal that output termination pull down resistor R7 and the first diode D5, the second diode D6, resistance R 9 are formed; the clamped protective circuit of signal guarantees that signal voltage range lies prostrate at 0-5, exports 1 pin of termination filter capacitor C10 and logical process AND circuit U4A altogether.
The phase signal processing circuit of ignition section as shown in Figure 3; resistance R 12 is handled essential pull-up resistor for phase signal; capacitor C 4 and resistance R 11 are formed signal filter circuit; input termination power and resistance R 12; output terminal leave behind resistance R 10 and diode D7; the clamped protective circuit protection proof signal voltage range that D8 forms lies prostrate at 0-5; its output terminal connects after capacitor C 12 is carried out filtering respectively by resistance R 17; R18; triode Q2 and resistance R 15; R16; the amplification circuit that triode Q1 forms; resistance R 17; R18 and triode Q2 produce and represent motor one; two; the phase signal of four cylinders; resistance R 15; R16 and triode Q1 produce and represent motor three; five; the phase signal of six cylinders, output terminal meet filter capacitor C11 respectively; C12 connects 2 pin of logical process AND circuit U4A.
As Fig. 2, Fig. 3, shown in Figure 4, the AND circuit U4A in the logic processing circuit to respective phase processing signals and corresponding ignition process after signal carry out logic place and computing, produce and the corresponding fire signal of each cylinder of motor; The output terminal of AND circuit connects ignition drive circuit, and 1 pin connects signal ESTA processing circuit output terminal, and 2 pin connect the Phase Processing circuit output end.
Ignition drive circuit six tunnel principles are identical, is explanation at this with a cylinder ignition drive circuit: as shown in Figure 4, the signal one-level amplification circuit that AND circuit U4A output terminal is formed through pull-up resistor R41 connecting resistance R42, R43, triode Q8, triode Q8 emitter connects Darlington transistor Q15 base stage, Darlington Q15 drive ignition coil, resistance R 40 is carried out overvoltage protection with the voltage-stabiliser tube Z7 that is connected on Darlington transistor Q15 base stage and collector electrode to Darlington transistor Q15; Darlington transistor Q15 emitter connects current-limiting circuit by current limliting sample resistance R50.
As shown in Figure 5, resistance R 19 in the current-limiting circuit and R23 produce the in-phase end that the current limliting reference voltage is received operational amplifier U2A, the current limliting sample resistance R50 of ignition drive circuit receives the end of oppisite phase of comparator U2A by resistance R 20, resistance R 24 is a feedback resistance, when sampling voltage surpasses reference voltage, operational amplifier U2A output end signal is by resistance R 21, R22 and triode Q9 output, output terminal connects the triode Q8 collector electrode of ignition drive circuit, acts on ignition drive circuit and carries out current limliting.
The jet drive circuit of spout part is made up of three road identical circuit, and one the tunnel being example wherein: as shown in Figure 6, pull-up resistor R46 connects the battery feed positive pole, and the eliminator that capacitor C 16, resistance R 44 are formed carries out filtering to input signal; And form the one-level amplification circuit with resistance R 56, R45 and triode Q16, input signal is carried out anti-phase amplification; Triode Q17, resistance R 55 are formed second level amplification circuit; the driving element that the previous stage signal is amplified simultaneously to next stage provides the base drive electric current; voltage-stabiliser tube Z8 carries out overvoltage protection to Darlington transistor Q33; Darlington transistor Q33 is used for driving the spray part provides the base drive electric current; voltage-stabiliser tube Z8 carries out overvoltage protection to Darlington transistor Q33; Darlington transistor Q33 is used to drive nozzle; current sampling resistor R51 takes a sample to driving current and is converted to voltage signal, receives the input end of current-limiting protection circuit.All the other two-way are identical with first via function, no longer narrate.
The current-limiting circuit of spout part is made up of three road identical circuit, and one the tunnel being example wherein: as shown in Figure 7, the voltage at resistance R 51 two ends connects the end of oppisite phase of the first comparator U5A, the second comparator U5B respectively through resistance R 57 resistance R 58.C26 is a filter capacitor; the first comparator U5A; resistance R 48 form stagnate ring and with resistance R 49; R47; R68 forms the one-level current-limiting protection circuit; the output signal of the first comparator U5A is by resistance R 62; R63 receives triode Q20 respectively; the base input end of Q19; the two-way output signal is connected to the in-phase end of the second comparator U5B and has set the reference value of secondary current limliting with resistance R 60 by resistance R 65 and R64; resistance R 66 is a pull-up resistor; the output signal resistance R 61 of the second comparator U5B also is driven to circuit second amplifying circuit input end LIT1 through anti-phase the receiving of triode Q18, thereby realizes current protecting function.All the other two-way are identical with first via function, no longer narration.
Claims (7)
1, a kind of single-fuel electronic fuel injection engine igniting jet drive system is characterized in that: described drive system comprises igniting and sprays two-part;
Described ignition section is made up of fire signal processing circuit, phase signal processing circuit, logical operation circuit, ignition drive circuit and current-limiting circuit, the ignition control signal and the phase detector signal of ECU (Electrical Control Unit) output arrive logical operation circuit simultaneously through fire signal processing circuit, phase signal processing circuit respectively, the feedback of process current-limiting protection circuit when signal arrives ignition drive circuit, last point of arrival fire coil;
Described spout part is made up of nozzle signal processing circuit, one-level amplification circuit, second amplifying circuit, power amplification circuit and current-limiting circuit; the nozzle control signal output of ECU (Electrical Control Unit) output drives nozzle through one-level amplification, secondary amplification, power amplification; and driving current taken a sample, sampling current through the current/voltage conversion after the current-limiting protection system feedback to second amplifying circuit.
2, single-fuel electronic fuel injection engine as claimed in claim 1 igniting jet drive system; it is characterized in that: described fire signal processing circuit is that electric capacity (C3) and resistance (R8) are formed signal filter circuit; the clamped protective circuit of signal that output termination pull down resistor (R7) and first diode (D5), second diode (D6), resistance (R9) are formed, 1 pin of its output termination filter capacitor (C10) and logical process AND circuit.
3; single-fuel electronic fuel injection engine as claimed in claim 1 igniting jet drive system; it is characterized in that: described phase signal processing circuit is that electric capacity (C4) and resistance (R11) are formed signal filter circuit; input termination power and resistance (R12); output termination pull down resistor (R10) and diode (D7; D8) the clamped protective circuit of the signal of Zu Chenging; its output terminal connects after electric capacity (C12) carries out filtering respectively by resistance (R17; R18); triode (Q2) and resistance (R15; R16); the amplification circuit that triode (Q1) is formed, output terminal meets filter capacitor (C11 respectively; C12) connect 2 pin of logical process AND circuit after.
4, single-fuel electronic fuel injection engine as claimed in claim 1 igniting jet drive system, it is characterized in that: described ignition drive circuit is: the signal one-level amplification circuit that AND circuit (U4A) output terminal is formed through pull-up resistor (R41) connecting resistance (R42, R43), triode (Q8), triode (Q8) emitter connects Darlington transistor (Q15) base stage, the drive ignition coil, resistance (R40) and the voltage-stabiliser tube (Z7) that is connected on Darlington transistor (Q15) base stage and collector electrode carry out overvoltage protection to the collector and emitter of Darlington transistor (Q5); Darlington transistor (Q15) emitter connects current-limiting circuit by current limliting sample resistance (R50).
5, single-fuel electronic fuel injection engine as claimed in claim 1 igniting jet drive system, it is characterized in that: the current-limiting circuit of described ignition section is: resistance (R19) and (R23) connect the in-phase end of operational amplifier (U2A), resistance (R50) connects the end of oppisite phase of operational amplifier (U2A) by resistance (R20), when sampling voltage surpasses reference voltage, operational amplifier (U2A) output end signal is by resistance (R21, R22) and triode (Q9) output, and output terminal connects triode (Q8) collector electrode of ignition drive circuit.
6, single-fuel electronic fuel injection engine as claimed in claim 1 igniting jet drive system, it is characterized in that: described jet drive circuit is: pull-up resistor (R46) connects the eliminator of electric capacity (C16), resistance (R44) composition and forms the one-level amplification circuit with resistance (R56, R45) and triode (Q16), the second level amplification circuit that triode (Q17), resistance (R55) are formed, voltage-stabiliser tube (Z8) is connected between Darlington transistor (Q33) base stage and the collector electrode, and Darlington transistor (Q33) emitter accesses sample resistance (R51).
7; single-fuel electronic fuel injection engine as claimed in claim 1 igniting jet drive system; it is characterized in that: described injection current-limiting circuit is: series resistors (R57); resistance (R58) termination sample resistance (R51); one termination, first comparator (U5A); the end of oppisite phase of second comparator (U5B); first comparator (U5A); resistance (R48) forms the ring that stagnates and forms the one-level current-limiting protection circuit; triode (Q19; Q20) and second comparator (U5B) form the secondary current limliting, triode (Q18) carries out anti-phase receiving to second comparator (U5B) output signal and is driven to circuit second amplifying circuit input end (LIT1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031252044A CN100510362C (en) | 2003-07-27 | 2003-07-27 | Ignition ejection driving system for single fuel electronic ejection engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031252044A CN100510362C (en) | 2003-07-27 | 2003-07-27 | Ignition ejection driving system for single fuel electronic ejection engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1483927A CN1483927A (en) | 2004-03-24 |
| CN100510362C true CN100510362C (en) | 2009-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031252044A Expired - Lifetime CN100510362C (en) | 2003-07-27 | 2003-07-27 | Ignition ejection driving system for single fuel electronic ejection engine |
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| CN (1) | CN100510362C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701456A (en) * | 2013-12-30 | 2014-04-02 | 京信通信***（中国）有限公司 | Power amplifier external interface circuit |
| CN108301934B (en) * | 2018-04-17 | 2023-04-28 | 上海船舶运输科学研究所 | Combined safety control circuit and method for exhaust valve and fuel injection valve of electronic fuel injection engine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4892073A (en) * | 1987-09-10 | 1990-01-09 | Nippondenso Co., Ltd. | Ignition system for internal combustion engines |
| US5345903A (en) * | 1992-10-27 | 1994-09-13 | Sanshin Kogyo Kabushiki Kaisha | Engine stop control device |
| US5690085A (en) * | 1996-04-26 | 1997-11-25 | Mitsubishi Denki Kabushiki Kaisha | Control circuit for ignition coil |
| US5941216A (en) * | 1996-05-24 | 1999-08-24 | Kokusan Denki Co., Ltd. | Method for controlling drive of injector for internal combustion engine and apparatus therefor |
| CN2471961Y (en) * | 2001-02-27 | 2002-01-16 | 高世伦 | Microprocessor controlled electric ignitor |
| CN2646398Y (en) * | 2003-07-27 | 2004-10-06 | 东风汽车公司 | Ignition jet drive system of single fuel electric jet engine |
-
2003
- 2003-07-27 CN CNB031252044A patent/CN100510362C/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4892073A (en) * | 1987-09-10 | 1990-01-09 | Nippondenso Co., Ltd. | Ignition system for internal combustion engines |
| US5345903A (en) * | 1992-10-27 | 1994-09-13 | Sanshin Kogyo Kabushiki Kaisha | Engine stop control device |
| US5690085A (en) * | 1996-04-26 | 1997-11-25 | Mitsubishi Denki Kabushiki Kaisha | Control circuit for ignition coil |
| US5941216A (en) * | 1996-05-24 | 1999-08-24 | Kokusan Denki Co., Ltd. | Method for controlling drive of injector for internal combustion engine and apparatus therefor |
| CN2471961Y (en) * | 2001-02-27 | 2002-01-16 | 高世伦 | Microprocessor controlled electric ignitor |
| CN2646398Y (en) * | 2003-07-27 | 2004-10-06 | 东风汽车公司 | Ignition jet drive system of single fuel electric jet engine |
Non-Patent Citations (2)
| Title |
|---|
| 发动机燃油喷射***电控单元设计. 张利芳，张翠平.太原理工大学学报，第34卷第2期. 2003 * |
| 城市客车用天然气电喷发动机的开发. 顾善愚，阳松林，江国华.汽车科技. 2002 * |
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| CN1483927A (en) | 2004-03-24 |
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Granted publication date: 20090708 |