CN201152202Y - Oil gas mixing electronic control unit - Google Patents
Oil gas mixing electronic control unit Download PDFInfo
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- CN201152202Y CN201152202Y CNU2008200787799U CN200820078779U CN201152202Y CN 201152202 Y CN201152202 Y CN 201152202Y CN U2008200787799 U CNU2008200787799 U CN U2008200787799U CN 200820078779 U CN200820078779 U CN 200820078779U CN 201152202 Y CN201152202 Y CN 201152202Y
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Abstract
The utility model relates to an electronic controlled injection unit of an automobile combustion gasoline or natural gas. The electronic controlled unit comprises a singlechip, a signal processor, a control module, a switch module, an electrical source module and a communication module. The input end of the singlechip is connected with the signal processor, the singlechip is also connected with an outer storage module which is used for storing a standard program, the standard program is used for processing detection signals input by the signal processor and outputting the processed signals from the output end of the singlechip, the output end of the singlechip is connected with the control module, the switch module and the communication module, and the electrical source module is connected with the singlechip and is connected with other modules which need to be provided with the electrical source. The electronic controlled injection unit of an automobile combustion gasoline or natural gas has the advantages that more ideal mixing air cell fuel ratio can be realized, increases the working performance of the engine, reduces oil consumption, and reduces environment pollution.
Description
Technical field
The utility model relates to the electronic control system of a kind of automobile burning gasoline or rock gas, and particularly a kind of electronics of realizing under computer system control is controlled the ECU (Electrical Control Unit) of fuel oil or fuel gas injection automatically.
Background technique
At present, gasoline, rock gas mix that two kinds of algorithms, two kinds of nominal datas are used in control mostly and when realizing based on a plurality of hardware platforms, implement all more complicated of software and hardware, control mostly is in oil-fired system based on moment of torsion.Motor compresses a certain proportion of air and fuel oil (combustion gas) and burns in cylinder, heat energy is converted into mechanical energy.Under desirable air fuel ratio, the air burning in the engine operation will not have harmful gas to produce, and the power of motor, acceleration performance and cold starting performance all will be improved, and oil consumption will obtain descending, and exhaust pollution simultaneously will be reduced.But burning is a very complicated process, and it is relevant with factors such as air, fuel, temperature, firing time, cylinder pressures; In addition, working conditions change such as engine start, idling, acceleration, deceleration, full load are influential to air fuel ratio.Existing oil gas mixed control unit can't be made positive reaction to above-mentioned signal on same hardware platform, same set of algorithm and two cover nominal datas, more these signal feed back can not be given fuel feeding (gas) system and revised igniting opportunity and fuel injection amount and discharge time.
The model utility content
The purpose of this utility model provides a kind of vehicle fuel (combustion gas) electric-controlled injection unit, and it can be revised ignition system automatically according to signals such as the air quantity that changes, engine operating parameter, temperature.
For achieving the above object, the technical solution of the utility model is to adopt a kind of oil gas mixed electronic control unit, and described electronic control unit comprises single-chip microcomputer, signal processor, control module, switch module, power module, communication module,
The input end of described single-chip microcomputer is connected with described signal processor, described single-chip microcomputer also is connected with outer memory module, described outer memory module is used for the storage standards program, described standardization program is used to handle the testing signal of described signal processor input, and the signal after will handling is by the output terminal output of described single-chip microcomputer, the output terminal of described single-chip microcomputer is connected with described control module, switch module, communication module
Described power module is connected with single-chip microcomputer, described power module also need provide the module of power supply to be connected with other.
Wherein, described signal processor output terminal is connected with single-chip microcomputer, and described signal processor input end is connected with sensor.
Wherein, described signal processor comprises: the crankshaft position sensor processing circuit, the camshaft-signal sensor processing circuit, the pressure transducer processing circuit, high pressure A/C pressure sensor processing circuit, the cooling-water temperature transmitter processing circuit, the exhaust gas temperature sensor circuit, the fuel level sensor processing circuit, oil rail pressure sensor processing circuit, intake temperature pressure transducer processing circuit, the lambda sensor processing circuit, the throttle position sensor processing circuit, the air flow sensor processing circuit, the detonation sensor processing circuit, the input end of described sensor processing circuit is connected to the output terminal of respective sensor, the corresponding input pin with single-chip microcomputer of the output terminal of described sensor processing circuit is connected, and the power input of described sensor processing circuit is connected with power module.
Wherein, described crankshaft position sensor processing circuit input end is connected with crankshaft position sensor, the analogue signal of described crankshaft position sensor input is connected to preposing signal process circuit, the output signal of described preposing signal process circuit is connected to the input end of modulus conversion chip, the output terminal of described modulus conversion chip is connected to the input end of voltage processing circuit, and the output terminal of described voltage processing circuit is connected with single-chip microcomputer.
Wherein, described camshaft-signal sensor processing circuit is that the cam sensor output signal end is connected with an end of first resistance, the other end of described first resistance is connected and is connected with single-chip microcomputer with an end of second resistance, the other end of described second resistance is connected with power module, is connected with electric capacity between described cam sensor output signal end and ground.
Wherein, described cooling-water temperature transmitter processing circuit, intake air temperature sensor processing circuit, throttle position sensor processing circuit, fuel level sensor processing circuit, oily rail pressure sensor processing circuit, identical with described camshaft-signal sensor processing circuit, the input end of described processing circuit is connected with the output terminal of cooling-water temperature transmitter, intake air temperature sensor, throttle position sensor, fuel level sensor, oily rail pressure sensor respectively, and the output terminal of described processing circuit is connected with described single-chip microcomputer.
Wherein, the output terminal of the pressure transducer of described pressure transducer processing circuit is connected with an end of the 3rd resistance, the other end of described the 3rd resistance is connected and is connected with single-chip microcomputer with an end of the 4th resistance, the other end of described the 4th resistance is connected with ground, is connected with electric capacity between described pressure transducer output signal end and ground.
Wherein, described high pressure A/C pressure sensor processing circuit, intake temperature pressure transducer processing circuit, lambda sensor processing circuit, air flow sensor processing circuit, identical with described pressure transducer processing circuit, the input end of described processing circuit is connected with the output terminal of high pressure A/C pressure sensor, intake temperature pressure transducer, lambda sensor, air flow sensor respectively, and the output terminal of described processing circuit is connected with described single-chip microcomputer.
Wherein, described detonation sensor processing circuit is a slice driving chip, described driving chip input end be connected with the output terminal of detonation sensor, described driving chip the input of output terminal and single-chip microcomputer be connected.
Wherein, described control module comprises: oil spout control module, jet control module, ignition control module, idle speed control module, closure control module.
Wherein, described ignition control module is connected with two igniting output terminals of single-chip microcomputer, two igniting output terminals of described single-chip microcomputer are connected with igniting chip input end respectively, described igniting chip has two output terminals, one of them output head grounding, another output terminal is connected with an end of spark coil, and the other end of described spark coil is connected with the input end of coprocessor through amplification circuit, and described and output terminal feedback signal coprocessor takes back the input end of single-chip microcomputer.
Wherein, described oil spout control module is a slice power amplification chip, and the input end of described power amplification chip is connected with the oil spout control output end of described single-chip microcomputer, and the output terminal of described power amplification chip is connected with oil nozzle.
Wherein, described jet control module is to amplify and logic control circuit, and the jet control output signal of described single-chip microcomputer is connected with the logic control circuit input end with described amplification, and described amplification is connected with blast nozzle with the logic control circuit output terminal.
Wherein, described closure control module is the idle speed step motor control circuit, the input end of described circuit is connected with single-chip microcomputer idle speed control output terminal, described idle speed step motor control circuit is an amplification chip, described amplification chip is connected with single-chip microcomputer by coprocessor, the output terminal of described amplification chip is connected with stepper motor, and the output shaft of described stepper motor is connected with closure.
Wherein, described switch module comprises several switches, one end of described switch is connected with the switching signal control end of single-chip microcomputer, and the other end of described switch is connected with canister purge controller, failure warning lamp, air exhauster, catalyst heater, FP Fuel Pump Relay, fan, air-conditioning respectively.
Wherein, described communication module is a communication chip, and the input end of described communication chip is connected with the communication interface of single-chip microcomputer, and the output terminal of described communication module is connected with outside input-output equipment.
Advantage of the present utility model and beneficial effect are: it can be better gasoline air mixture ratio, improves the service behaviour of motor, reduces oil consumption, reduces environmental pollution.
Description of drawings
Fig. 1 is the utility model electronic control unit circuit theory diagrams;
Fig. 2 is the utility model crankshaft position sensor processing circuit figure;
Fig. 3 is the utility model camshaft-signal sensor processing circuit figure;
Fig. 4-the 1st, the utility model pressure transducer processing circuit figure;
Fig. 4-the 2nd, the utility model cooling-water temperature transmitter processing circuit figure;
Fig. 5-the 1st, the utility model ignition control module 1 circuit diagram;
Fig. 5-the 2nd, the utility model ignition control module 2 circuit diagram;
Fig. 6 is the utility model oil spout control module circuit diagram;
Fig. 7 is the jet control module circuit diagram of the utility model;
Fig. 8 is the utility model idle speed step motor control circuit figure;
Fig. 9-the 1st, the utility model bus 1 circuti diagram;
Fig. 9-the 2nd, the utility model bus 2 circuti diagrams;
Figure 10 is the utility model detonation sensor processing circuit figure;
Figure 11 is the utility model control procedure flow chart.
Embodiment
Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, specific embodiments of the present utility model is to adopt a kind of oil gas mixed electronic control unit, and electronic control unit comprises 16 single-chip microcomputers, signal processor, control module, switch module, power module, communication module.The input end of 16 single-chip microcomputers is connected with described signal processor, 16 single-chip microcomputers also are connected with outer memory module, outer memory module is used for the storage standards program, described standardization program is used to handle the testing signal of described signal processor input, and the signal after will handling is by the output terminal output of 16 single-chip microcomputers, the output terminal of 16 single-chip microcomputers is connected with control module, switch module, communication module, and power module is connected with the power input of 16 single-chip microcomputers, described power module also need provide the module of power supply to be connected with other.
The signal processor output terminal is connected with 16 single-chip microcomputers, and described signal processor input end is connected with sensor.Signal processor comprises: the crankshaft position sensor processing circuit, the camshaft-signal sensor processing circuit, the pressure transducer processing circuit, high pressure A/C pressure sensor processing circuit, the cooling-water temperature transmitter processing circuit, the exhaust gas temperature sensor circuit, the fuel level sensor processing circuit, oil rail pressure sensor processing circuit, intake temperature pressure transducer processing circuit, the lambda sensor processing circuit, the throttle position sensor processing circuit, the air flow sensor processing circuit, the detonation sensor processing circuit, the input end of sensor processing circuit is connected to the output terminal of respective sensor, the output terminal of described sensor processing circuit is connected with 16 corresponding input pins of single-chip microcomputer, and the power input of sensor processing circuit is connected with power module.
As shown in Figure 2, crankshaft position sensor processing circuit input end is connected with crankshaft sensor, the analogue signal of crankshaft sensor input is connected to preposing signal process circuit, the output signal of preposing signal process circuit is connected to the input end of modulus conversion chip, the output terminal of modulus conversion chip is connected to the input end of voltage processing circuit, and the output terminal of voltage processing circuit is connected with 16 single-chip microcomputers.
As shown in Figure 3, the camshaft-signal sensor processing circuit is that the cam sensor output signal end is connected with an end of first resistance, the other end of first resistance is connected with an end of second resistance and is connected with 16 single-chip microcomputers, the other end of second resistance is connected with power module, is connected with electric capacity between cam sensor output signal end and ground.
Shown in accompanying drawing 4-2, cooling-water temperature transmitter processing circuit, intake air temperature sensor processing circuit, throttle position sensor processing circuit, fuel level sensor processing circuit, oily rail pressure sensor processing circuit, identical with the camshaft-signal sensor processing circuit, the input end of processing circuit is connected with the output terminal of cooling-water temperature transmitter, intake air temperature sensor, throttle position sensor, fuel level sensor, oily rail pressure sensor respectively, and the output terminal of processing circuit is connected with 16 single-chip microcomputers.
Shown in accompanying drawing 4-1, the output terminal of the pressure transducer of pressure transducer processing circuit is connected with an end of the 3rd resistance, the other end of the 3rd resistance is connected with an end of the 4th resistance and is connected with 16 single-chip microcomputers, the other end of the 4th resistance is connected with ground, is connected with electric capacity between pressure transducer output signal end and ground.High pressure A/C pressure sensor processing circuit, intake temperature pressure transducer processing circuit, lambda sensor processing circuit, air flow sensor processing circuit, identical with the pressure transducer processing circuit, the input end of processing circuit is connected with the output terminal of high pressure A/C pressure sensor, intake temperature pressure transducer, lambda sensor, air flow sensor respectively, and the output terminal of processing circuit is connected with single-chip microcomputer.
In the utility model, the detonation sensor processing circuit is a slice driving chip, described driving chip input end be connected with the output terminal of detonation sensor, described driving chip output terminal be connected with the input of 16 single-chip microcomputers.
In the utility model, control module comprises: oil spout control module, jet control module, ignition control module, idle speed control module, closure control module.
Shown in accompanying drawing 5-1 and 5-2, ignition control module is connected with two igniting output terminals of 16 single-chip microcomputers, two igniting output terminals of 16 single-chip microcomputers are connected with igniting chip input end respectively, the igniting chip has two output terminals, one of them output head grounding, another output terminal is connected with an end of spark coil, and the other end of spark coil is connected with the input end of coprocessor through amplification circuit, and the output terminal feedback signal of coprocessor takes back the input end of single-chip microcomputer.
As shown in Figure 6, the oil spout control module is a slice power amplification chip, and the input end of power amplification chip is connected with the oil spout control output end of single-chip microcomputer, and the output terminal of power amplification chip is connected with oil nozzle.
As shown in Figure 7, jet control module is to amplify and logic control circuit, and the jet control output signal of 16 single-chip microcomputers is connected with the logic control circuit input end with amplification, amplifies to be connected with blast nozzle with the logic control circuit output terminal.
As shown in Figure 8, the closure control module is the idle speed step motor control circuit, the input end of circuit is connected with 16 single-chip microcomputer idle speed control output terminals, the idle speed step motor control circuit is an amplification chip, amplifying chip is connected with single-chip microcomputer by coprocessor, the output terminal that amplifies chip is connected with stepper motor, and the output shaft of stepper motor is connected with closure.
In the utility model, switch module comprises several switches, one end of switch is connected with the switching signal control end of 16 single-chip microcomputers, and the other end of switch is connected with canister purge controller, failure warning lamp, air exhauster, catalyst heater, FP Fuel Pump Relay, fan, air-conditioning respectively.
Shown in Fig. 9-1 and 9-2, communication module is 2 communication chips, and the input end of communication chip is connected with the communication interface of 16 single-chip microcomputers, and the output terminal of communication module is connected with outside input-output equipment.
As shown in figure 10, the input end of detonation sensor processing circuit is connected with detonation sensor, the detonation sensor output terminal is connected to preposition R-C filtering stage power supply input processing circuit, the output signal of preposing signal process circuit is connected to the input end of modulus conversion chip, the output terminal of modulus conversion chip is connected to rearmounted processing circuit, and the output terminal of rearmounted processing circuit is connected with the single-chip microcomputer input.
Embodiment 1:
As Fig. 1 is that the utility model main functional modules is further specified: the signal acquisition process module, exactly each sensor acquisition of periphery to signal give single-chip microcomputer and handle.16 one-chip computer module comprises master controller, outside FLASE, RAM storage, and the signal that collects is delivered in each control module after treated.Power transfer module becomes to stablize 5V voltage to the 12V voltage transitions that feeds from the outside, for the power supply of master controller, intake temperature pressure transducer, throttle position sensor etc.Communication module mainly is CAN LIN communication.CAN LIN is used for and the calibration tool communication, to demarcating of ECU, makes control algorithm more accurate.LIN is used for downloading and diagnostic function is used.Jet control module, the jet signal of master controller output, the signal of changing out by power device drives blast nozzle.The oil spout control module, the fuel injection signal of master controller output, the signal of changing out by power device drives oil nozzle.Ignition control module, the fire signal of master controller output, the signal of changing out by power device comes the drive ignition coil.The closure control module, the signal of master controller output, the signal of changing out by power device comes drive stepping motor, with the aperture of control closure.Multi-channel switch is to the control of switching values such as some air-conditionings, fan, FP Fuel Pump Relay.
Master controller of the present utility model is the C167CS chip that adopts INFINEON company, it is one 16 a single-chip microcomputer, it is the AT49F4096 of atmel corp that the outside adds a stored programme FLASE chip, has also added an external RAM U62H256, has constituted minimum system.
As shown in Figure 2, signal processing module is made up of crankshaft position sensor processing circuit, camshaft-signal sensor processing circuit, pressure transducer processing circuit, high pressure A/C pressure sensor processing circuit, pressure transducer processing circuit, cooling-water temperature transmitter processing circuit, exhaust gas temperature sensor circuit, fuel level sensor processing circuit, oily rail pressure sensor processing circuit, intake temperature pressure transducer processing circuit, lambda sensor processing circuit, throttle position sensor processing circuit, air flow sensor processing circuit, detonation sensor processing circuit.Their annexation is: the crankshaft-position signal processing circuit.This circuit is by crankshaft position sensor input signal CN1-29, through preposing signal process circuit R204, R200, R201, C200, C201, analog-digital chip LM1815, voltage processing circuit R202, R203, be input to 16 single-chip microcomputers by the CRK end, the bent axle analog signal conversion becomes pulse signal CRK to use for master controller, the CRK signal is received the 64th pin of master controller C167CS, determines the time of ignition timing.
As shown in Figure 3, the camshaft-position signal processing circuit, this circuit is made up of CMPS Camshaft Position Sensor input signal CN1-72, first resistance R 70, second resistance R 69, C41.CMPS Camshaft Position Sensor input signal CN1-72 receives an end of R69, R70 pin, receives 63 pin CAM of master controller through the other end of R69 pin, also receives the pin of C41 simultaneously, and another pin of R70 has connect the 5V power supply.3rd, coolant temperature signal processing circuit, intake air temperature signals processing circuit, electronic throttle position signal processing circuit are the same control principles with the camshaft-position signal processing circuit.
Shown in Fig. 4-2, the cooling-water temperature transmitter input signal is received on master controller chip the 40th pin through output signal after the RC eliminator signal processing.The intake air temperature sensor input signal is received on master controller chip the 43rd pin through output signal after the RC eliminator signal processing.Electronic throttle position transducer input signal CN1-32 receives on master controller chip the 39th pin through output signal TPS after the RC eliminator signal processing, and RC eliminator signal processing is the same control principle with the camshaft-position signal processing circuit.
Shown in Fig. 4-1, pressure signal processing circuit.This circuit is made up of pressure transducer input signal CN1-60, the 3rd resistance R 78, the 4th resistance R 79, C27.Pressure transducer connects drop-down through R79, again through the 27 pin MAPs of R78 to master controller.Intake temperature pressure sensor signal processing circuit, oxygen sensor signal processing circuit, air flow sensor signal processing circuit all heel pressure sensor signal processing circuit are the same control principles with foregoing circuit.
Fig. 5-1 and 5-2 are the circuit diagram of ignition control module, what adopt is the grouping IGNITION CONTROL, so have only the two-way ignition control circuit, from 53 pin of master controller output high level through resistance R 37 to igniting chip 1 pin, igniting chip 2 pin ground connection are given spark coil from igniting chip 3 pin output 12V voltage by wire harness.Export to harmonizing processor chip through the U12 chip again, feed back signal to master controller after the processing.As described in Fig. 5-2, another road IGNITION CONTROL principle is the same with last road, thereby has realized ignition function.U12 among the figure, U13 are logic chip and door, and two inputs just are output as height for high simultaneously, otherwise are output as low.All be logic chip and door, two inputs just are output as height for high simultaneously, otherwise are output as low.
Fig. 6 is an oil spout control module circuit diagram, and master controller four tunnel oil spout IV0, IV1, IV2, IV3 control output and amplify output CN1-23,24,61,62 to four oil nozzles through power chip 6220, and what of fuel injection quantity are the length of oil sprayer switching time determine.
Fig. 7 is jet control circuit, this is IV0, the jet principle of IV2 two-way, other IV1, IV3 two-way are the same with IV0, IV2 control principle, this jet circuit is by chip U14, U18, U700, resistance R 702, R703, R704, R708, R710, R712, R714, capacitor C 700, C701, C702, C703, C704, C705, C712, triode Q700, Q702, Q704, diode D700, D702, D704, D706 form.From master controller output two-way IV0, IV2, connect the 1st, 2 pin of U14 respectively, from the 4th pin output of U14, two-way synthetic a tunnel is exported, and receives the 1st pin of U18, and the 2nd pin of U18 is switching value CKEYIN input, controls whether will working of jet circuit.The 4th foot control system output of U18 is by LM1949 control, and wherein the LM1949 chip is jet driving chip, plays the chopping signal driving action.By the logic control of some triodes, make control output signal GV0+, GV0-receive blast nozzle again.U14 among the figure, U18 are logic chip and door, and two inputs just are output as height for high simultaneously, otherwise are output as low.To whole jet control circuit work whether jet control circuit is to come by switch CKEYIN, and CKEYIN is 1, entire circuit work, otherwise do not work.Carry out single cylinder by U14 and spray control, gather the negative pole of blast nozzle by the 4th pin of LM1949 chip, enable the LM1949 chip operation, the synthetic circuit output chopping signal of the output of the 2nd pin and some discrete devices drives the positive pole of blast nozzle, and is jet to reach control.
Fig. 8 is the idle speed step motor control circuit, and this circuit is made up of intergrated circuit L9935, the driving chip of L9935 stepper motor, and by the input of SPI, output two-way pwm signal comes the running of drive stepping motor.6 pin of L9935 meet power supply 5V, 1,10,11,20 pin ground connection, 7 pin chip selection signals connect coprocessor coprocessor 9 pin, 8 pin enable signals connect coprocessor coprocessor 1 pin, 3,4,5 pin serial port control signal are corresponding respectively connects coprocessor coprocessor 13,11,10 pin, four tunnel output signals, 2,18,9,13 pin of L9935 are received A+, A-, B+, the B-pin of idle speed step motor respectively, the coprocessor coprocessor is the MEGA48 chip that adopts atmel corp, be used for simulating 2 road serial communication functions and the igniting feedback signal handled.The big or small degree that the step motor control closure is opened.
Fig. 9-1 and 9-2 are the communication module circuit, Fig. 9-the 1st, and the LIN change-over circuit converts LIN to the transmitting-receiving two-way of serial ports.This circuit is made up of 33290 chips and resistance R 105, and 1 pin of U103 meets power supply 12V, and 8 pin meet power supply 5V, 3 pin ground connection, and 4 pin meet LIN, and 5 pin connect 77 pin of master controller, and 6 pin connect 78 pin of master controller.Fig. 9-the 2nd, CAN LINE communicating circuit, this circuit is made up of A82C250 chip, S253N, R56, R57, R58, C48.The 2 pin ground connection of U7,3 pin meet power supply 5V, and 1,4 pin connect 91,92 pin of master controller, are respectively transmission and the acceptance of CAN, and 6,7 pin are by OP1 difference wiring bundle CANH, CANL.
Figure 10 is the pinking control circuit, and this circuit is gathered the signal CN1-10 of detonation sensor by the chip TPIC8101 of TI company, passes to master controller by the SPI communication.The 1st pin of this chip meets power supply 5V, the 2nd, 16 ground connection.Form by R63, R29, R28, R27, R109, R108, R107, R11, C51, C15.
Figure 11 is a process control chart of the present utility model.Computer plate (ECU) is the core of automatical control system, and it is a digital computer of being made up of microprocessor, program data memory, power supply circuit and all kinds of input, output interface circuit.System can realize each operating mode control of motor as can be seen from Figure 10.1, state of starting operating control: master controller is by rotating speed (N) signal identification state of starting operating and operating conditions, and tach signal obtains by crankshaft position sensor.When rotating speed (N) when being lower than certain value, enter the startup operating mode; When rotating speed (N) when being higher than certain value, enter operating conditions.2, idling operation control: discern idling operation by an idling operation variable in the software, motor enters idling operation, at this moment idle speed step motor is according to the situation of engine load, regulate the throttle position sensor size through stepper motor, convert the resistance value on the throttle position sensor to electrical signal, flow to master controller, master controller is according to the fuel injection quantity of input signal control oil sprayer, and then idling is stable within the specific limits to control motor.3, sub load and full load mode control, master controller is discerned load and full load by the size of throttle position sensor signal.When throttle position sensor signal during less than the full load closure limit value of this corresponding rotating speed, the entering part load condition; Otherwise then enter full load mode.4, acceleration and deceleration transient working condition control: master controller is the size and the positive and negative plus-minus transient working condition of discerning of the change rate signal (TPS) by throttle position sensor.When throttle position sensor signal variance ratio (TPS) increases and surpass certain value (TPS1), enter accelerating mode, when change rate signal (TPS) reduces and be lower than certain value (TPS2), then enter decelerating mode.By increasing or reduce oil spout reduction value and electronic spark advance angle correction, guarantee to quicken rapidly steadily, the deceleration fuel-economizing also reduces discharging.
More than be preferred forms of the present utility model, according to the disclosed content of the utility model, some identical, replacement schemes that those of ordinary skill in the art can expect apparently all should fall into the scope that the utility model is protected.
Claims (16)
1, a kind of oil gas mixed electronic control unit is characterized in that described electronic control unit comprises single-chip microcomputer, signal processor, control module, switch module, power module, communication module,
The input end of described single-chip microcomputer is connected with described signal processor, described single-chip microcomputer also is connected with outer memory module, described outer memory module is used for the storage standards program, described standardization program is used to handle the testing signal of described signal processor input, and the signal after will handling is by the output terminal output of described single-chip microcomputer, the output terminal of described single-chip microcomputer is connected with described control module, switch module, communication module
Described power module is connected with single-chip microcomputer, described power module also need provide the module of power supply to be connected with other.
2, oil gas mixed electronic control unit as claimed in claim 1 is characterized in that, described signal processor output terminal is connected with single-chip microcomputer, and described signal processor input end is connected with sensor.
3, oil gas mixed electronic control unit as claimed in claim 2, it is characterized in that, described signal processor comprises: the crankshaft position sensor processing circuit, the camshaft-signal sensor processing circuit, the pressure transducer processing circuit, high pressure A/C pressure sensor processing circuit, the cooling-water temperature transmitter processing circuit, the exhaust gas temperature sensor circuit, the fuel level sensor processing circuit, oil rail pressure sensor processing circuit, intake temperature pressure transducer processing circuit, the lambda sensor processing circuit, the throttle position sensor processing circuit, the air flow sensor processing circuit, the detonation sensor processing circuit, the input end of described sensor processing circuit is connected with the output terminal of respective sensor, the corresponding input pin with single-chip microcomputer of the output terminal of described sensor processing circuit is connected, and the power input of described sensor processing circuit is connected with power module.
4, oil gas mixed electronic control unit as claimed in claim 3, it is characterized in that, described crankshaft position sensor processing circuit input end is connected with crankshaft position sensor, the analogue signal of described crankshaft position sensor input is connected to preposing signal process circuit, the output signal of described preposing signal process circuit is connected to the input end of modulus conversion chip, the output terminal of described modulus conversion chip is connected to the input end of voltage processing circuit, and the output terminal of described voltage processing circuit is connected with single-chip microcomputer.
5, oil gas mixed electronic control unit as claimed in claim 3, it is characterized in that, described camshaft-signal sensor processing circuit is that the cam sensor output signal end is connected with an end of first resistance, the other end of described first resistance is connected and is connected with single-chip microcomputer with an end of second resistance, the other end of described second resistance is connected with power module, is connected with electric capacity between described cam sensor output signal end and ground.
6, as claim 3 or 5 described oil gas mixed electronic control units, it is characterized in that, described cooling-water temperature transmitter processing circuit, the intake air temperature sensor processing circuit, the throttle position sensor processing circuit, the fuel level sensor processing circuit, oil rail pressure sensor processing circuit, identical with described camshaft-signal sensor processing circuit, the input end of described processing circuit respectively with cooling-water temperature transmitter, intake air temperature sensor, throttle position sensor, fuel level sensor, the output terminal of oil rail pressure sensor connects, and the output terminal of described processing circuit is connected with described single-chip microcomputer.
7, oil gas mixed electronic control unit as claimed in claim 3, it is characterized in that, the output terminal of the pressure transducer of described pressure transducer processing circuit is connected with an end of the 3rd resistance, the other end of described the 3rd resistance is connected and is connected with single-chip microcomputer with an end of the 4th resistance, the other end of described the 4th resistance is connected with ground, is connected with electric capacity between described pressure transducer output signal end and ground.
8, as claim 3 or 7 described oil gas mixed electronic control units, it is characterized in that, described high pressure A/C pressure sensor processing circuit, intake temperature pressure transducer processing circuit, lambda sensor processing circuit, air flow sensor processing circuit, identical with described pressure transducer processing circuit, the input end of described processing circuit is connected with the output terminal of high pressure A/C pressure sensor, intake temperature pressure transducer, lambda sensor, air flow sensor respectively, and the output terminal of described processing circuit is connected with described single-chip microcomputer.
9, oil gas mixed electronic control unit as claimed in claim 1, it is characterized in that, the input end of described detonation sensor processing circuit is connected with detonation sensor, described detonation sensor output terminal is connected to preposing signal process circuit, the output signal of described preposing signal process circuit is connected to the input end of modulus conversion chip, the output terminal of described modulus conversion chip is connected to rearmounted processing circuit, and the output terminal of described rearmounted processing circuit is connected with the single-chip microcomputer input.
10, oil gas mixed electronic control unit as claimed in claim 1 is characterized in that described control module comprises: oil spout control module, jet control module, ignition control module, idle speed control module, closure control module.
11, oil gas mixed electronic control unit as claimed in claim 10, it is characterized in that, described ignition control module is connected with two igniting output terminals of single-chip microcomputer, two igniting output terminals of described single-chip microcomputer are connected with igniting chip input end respectively, described igniting chip has two output terminals, one of them output head grounding, another output terminal is connected with an end of spark coil, the other end of described spark coil is connected with the input end of coprocessor through amplification circuit, and the output terminal feedback signal of described coprocessor takes back the input end of single-chip microcomputer.
12, oil gas mixed electronic control unit as claimed in claim 10, it is characterized in that, described oil spout control module is a slice power amplification chip, the input end of described power amplification chip is connected with the oil spout control output end of described single-chip microcomputer, and the output terminal of described power amplification chip is connected with oil nozzle.
13, oil gas mixed electronic control unit as claimed in claim 10, it is characterized in that, described jet control module is to amplify and logic control circuit, the jet control output signal of described single-chip microcomputer is connected with the logic control circuit input end with described amplification, and described amplification is connected with blast nozzle with the logic control circuit output terminal.
14, oil gas mixed electronic control unit as claimed in claim 10, it is characterized in that, described closure control module is the idle speed step motor control circuit, the input end of described circuit is connected with single-chip microcomputer idle speed control output terminal, described idle speed step motor control circuit is an amplification chip, described amplification chip is connected with single-chip microcomputer by coprocessor, and the output terminal of described amplification chip is connected with stepper motor, and the output shaft of described stepper motor is connected with closure.
15, oil gas mixed electronic control unit as claimed in claim 1, it is characterized in that, described switch module comprises several switches, one end of described switch is connected with the switching signal control end of single-chip microcomputer, and the other end of described switch is connected with canister purge controller, failure warning lamp, air exhauster, catalyst heater, FP Fuel Pump Relay, fan, air-conditioning respectively.
16, oil gas mixed electronic control unit as claimed in claim 1, it is characterized in that, described communication module is a communication chip, and the input end of described communication chip is connected with the communication interface of single-chip microcomputer, and the output terminal of described communication module is connected with outside input-output equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200787799U CN201152202Y (en) | 2008-01-28 | 2008-01-28 | Oil gas mixing electronic control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200787799U CN201152202Y (en) | 2008-01-28 | 2008-01-28 | Oil gas mixing electronic control unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201152202Y true CN201152202Y (en) | 2008-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200787799U Expired - Lifetime CN201152202Y (en) | 2008-01-28 | 2008-01-28 | Oil gas mixing electronic control unit |
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| CN (1) | CN201152202Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915173A (en) * | 2010-07-22 | 2010-12-15 | 中国船舶重工集团公司第七一一研究所 | IP (Internet Protocol) core for acquiring rotating angle information of engine |
| CN101936234A (en) * | 2010-07-22 | 2011-01-05 | 中国船舶重工集团公司第七一一研究所 | Control unit for controlling IP (Intellectual Property) core by integrating multiple engines |
| CN107990558A (en) * | 2017-10-25 | 2018-05-04 | 瑞富泰克（沧州）加热器有限公司 | A kind of closed-loop control system of Vehicular fluid heater |
| TWI668365B (en) * | 2015-03-26 | 2019-08-11 | 德商羅伯特博斯奇股份有限公司 | A device and method for assisting cold start of an engine |
-
2008
- 2008-01-28 CN CNU2008200787799U patent/CN201152202Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915173A (en) * | 2010-07-22 | 2010-12-15 | 中国船舶重工集团公司第七一一研究所 | IP (Internet Protocol) core for acquiring rotating angle information of engine |
| CN101936234A (en) * | 2010-07-22 | 2011-01-05 | 中国船舶重工集团公司第七一一研究所 | Control unit for controlling IP (Intellectual Property) core by integrating multiple engines |
| CN101915173B (en) * | 2010-07-22 | 2013-06-26 | 中国船舶重工集团公司第七一一研究所 | IP (Internet Protocol) core for acquiring rotating angle information of engine |
| TWI668365B (en) * | 2015-03-26 | 2019-08-11 | 德商羅伯特博斯奇股份有限公司 | A device and method for assisting cold start of an engine |
| CN107990558A (en) * | 2017-10-25 | 2018-05-04 | 瑞富泰克（沧州）加热器有限公司 | A kind of closed-loop control system of Vehicular fluid heater |
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Owner name: CHINA VAGON (BEIJING) CARTRONICS HOLDING CO., LTD. Free format text: FORMER NAME: HUAXIA LONGHUI (BEIJING) AUTOMOBILE ELECTRONIC TECHNOLOGY CO., LTD. |
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Address after: 102206 No. 97, Changping Road, Shahe Town, Beijing, Changping District Patentee after: Huaxia Long Hui (Beijing) automotive electronic Polytron Technologies Inc Address before: 102206 8 building, No. 202, Changping Road, Shahe Town, Beijing, Changping District Patentee before: China Vagon (Beijing) Automobile Electronic Technology Co., Ltd. |
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| CX01 | Expiry of patent term | ||
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Granted publication date: 20081119 |