CN2646398Y - Ignition jet drive system of single fuel electric jet engine - Google Patents
Ignition jet drive system of single fuel electric jet engine Download PDFInfo
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- CN2646398Y CN2646398Y CN 03254993 CN03254993U CN2646398Y CN 2646398 Y CN2646398 Y CN 2646398Y CN 03254993 CN03254993 CN 03254993 CN 03254993 U CN03254993 U CN 03254993U CN 2646398 Y CN2646398 Y CN 2646398Y
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- 239000000446 fuel Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000003321 amplification Effects 0.000 claims description 23
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 23
- 238000002347 injection Methods 0.000 claims description 19
- 239000007924 injection Substances 0.000 claims description 19
- 239000003990 capacitor Substances 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 101100149588 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) SLM2 gene Proteins 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000004804 winding Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 1
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- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The utility model relates to an igniting and jetting drive system for single fuel electric jet motor, which includes an igniting part and a jetting part. Wherein, the igniting part of the igniting and jetting drive system receives three igniting signals which are transmitted from the electric control system of the motor and the motor phase signal which is transmitted from the phase sensor. After operating a logical calculation, the utility model generates the sequence of igniting signals so as to drive the igniting windings of the six cylinders and reach the aim of the igniting in turn; the jetting part makes a magnified process for the three ways nozzle signal which are transmitted by the motor to increase the ability of the driving nozzle, so as to reach the aim of driving the nozzle.
Description
Technical field: the utility model relates to a kind of single-fuel electronic fuel injection engine igniting jet drive system, controls 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 utility model 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, 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 arrives logical operation circuit simultaneously, 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 the utility model single-fuel electronic fuel injection engine igniting jet drive system;
Fig. 2 is the fire signal ESTA processing circuit figure of ignition section of the present utility model;
Fig. 3 is the phase signal processing circuit figure of ignition section of the present utility model;
Fig. 4 is logical operation of ignition section of the present utility model and the circuit diagram that igniting drives;
Fig. 5 is the current-limiting circuit figure of ignition section of the present utility model;
Fig. 6 is the jet drive circuit figure of spout part of the present utility model;
Fig. 7 is the current-limiting circuit figure of spout part of the present utility model.
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 amplified the ability that it drives nozzle that increases of handling; 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 secondary current-limiting circuit, 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 the secondary current-limiting 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 spark coil 2 drive six cylinders respectively, realize sequentially fired.
Three road fire signal processing circuit principles of ignition section 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 diode D5, D6, resistance R 9 are formed; the clamped protective circuit of signal guarantees that signal voltage range lies prostrate at 0-5,1 pin of its output termination filter capacitor C10 and logical process AND circuit U4A.
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 termination pull down resistor R10 and diode D7; the clamped protective circuit of signal that D8 forms; the clamped protective circuit of signal guarantees that signal voltage range 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 and operation, 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, at this as an illustration: as shown in Figure 4 with a cylinder ignition drive circuit, 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 transistor 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 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 narration.
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 comparator U5A, U5B respectively through resistance R 57, resistance R 58.C26 is a filter capacitor; 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 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 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, thus the output signal resistance R 61 of comparator U5B and realize current protecting function through the anti-phase drive circuit second amplifying circuit input end of receiving of triode Q18.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 signal ESTA processing circuit is that 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 diode D5, D6, resistance R 9 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 Processing circuit is that capacitor C 4 and resistance R 11 are formed signal filter circuit; input termination power and resistance R 12; output termination pull down resistor R10 and diode D7; the clamped protective circuit of signal that D8 forms; 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, output terminal meets filter capacitor C11 respectively; connect 2 pin of logical process AND circuit behind the C12.
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 R 40 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 Q15; 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: described current-limiting circuit is: resistance R 19 and R23 connect the in-phase end of operational amplifier U2A, resistance R 50 connects the end of oppisite phase of operational amplifier U2A by resistance R 20, when sampling voltage surpasses reference voltage, operational amplifier U2A output end signal is by resistance R 21, R22 and triode Q9 output, and output terminal connects the 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 capacitor C 16, resistance R 44 compositions and forms the one-level amplification circuit with resistance R 56, R45 and triode Q16, the second level amplification circuit that triode Q17, resistance R 55 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 R 51.
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 R 58 1 termination sample resistance R51; the end of oppisite phase of one termination comparator U5A, U5B; comparator U5A, resistance R 48 form the ring that stagnates and form the one-level current-limiting protection circuit; triode Q19, Q20 and comparator U5B form the secondary current limliting, and triode Q18 carries out anti-phase to comparator U5B output signal and receives the drive circuit end by LIT1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03254993 CN2646398Y (en) | 2003-07-27 | 2003-07-27 | Ignition jet drive system of single fuel electric jet engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03254993 CN2646398Y (en) | 2003-07-27 | 2003-07-27 | Ignition jet drive system of single fuel electric jet engine |
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CN2646398Y true CN2646398Y (en) | 2004-10-06 |
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CN 03254993 Expired - Lifetime CN2646398Y (en) | 2003-07-27 | 2003-07-27 | Ignition jet drive system of single fuel electric jet engine |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100510362C (en) * | 2003-07-27 | 2009-07-08 | 东风汽车公司 | Ignition ejection driving system for single fuel electronic ejection engine |
CN103701456A (en) * | 2013-12-30 | 2014-04-02 | 京信通信系统(中国)有限公司 | Power amplifier external interface circuit |
-
2003
- 2003-07-27 CN CN 03254993 patent/CN2646398Y/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100510362C (en) * | 2003-07-27 | 2009-07-08 | 东风汽车公司 | Ignition ejection driving system for single fuel electronic ejection engine |
CN103701456A (en) * | 2013-12-30 | 2014-04-02 | 京信通信系统(中国)有限公司 | Power amplifier external interface circuit |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Patentee address after: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, China Patentee address before: 442001 Shiyan City, Hubei province city Zhangwan District Road No. 1 |
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AV01 | Patent right actively abandoned |
Effective date of abandoning: 20090708 |
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AV01 | Patent right actively abandoned |
Effective date of abandoning: 20090708 |
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C25 | Abandonment of patent right or utility model to avoid double patenting |