CN201412232Y - Electronic control device for automobile engine - Google Patents
Electronic control device for automobile engine Download PDFInfo
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- CN201412232Y CN201412232Y CN2009201092170U CN200920109217U CN201412232Y CN 201412232 Y CN201412232 Y CN 201412232Y CN 2009201092170 U CN2009201092170 U CN 2009201092170U CN 200920109217 U CN200920109217 U CN 200920109217U CN 201412232 Y CN201412232 Y CN 201412232Y
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Abstract
The utility model relates to an electronic control device for an automobile engine, which belongs to the technical field of electronic control for an engine. In the device, output terminals of an analog signal processing circuit, an intake pressure signal processing circuit, a front oxygen sensor signal conversion circuit, a switching signal processing circuit, a camshaft sensor signal processingcircuit, a crankshaft sensor signal conversion circuit and an ignition duration time feedback circuit are respectively connected with an input terminal of a master control chip, and an output terminalof the master control chip is respectively connected with output terminals of an oil ejector driving circuit, a stepping motor driving circuit, a relay, a small load driving circuit, a front/rear oxygen sensor heating and canister solenoid valve driving circuit, an ignition driving circuit and a power management circuit; and a CAN line and a K-line communication circuit perform data communicationwith the master control chip. The electronic control device has a command system with powerful function, rich real-time interrupt resources and high-speed input and output capabilities, is suitable for the complex working environment, and has proper price.
Description
Technical field
The utility model relates to a kind of car engine electronic control gear, belongs to Motronic control maps control technique field.
Background technique
Car engine electronic control gear (hereinafter to be referred as ECU) is the core of electrical control system for engine, it is according to the input data of each sensor of automobile engine management system (hereinafter to be referred as EMS), monitoring, calculate the degrees of ignition advance of motor when that mixes of required air and fuel oil, directly controlling the fuel injection amount of motor under various operating modes, the fuel injection timing, the high voltage ignition timing, ignition closed angle, the engine idle rotating speed, the car load exhaust emissions, other electronic assistants are (as air-conditioning on fuel oil supply system and the automobile, cooling fan etc.) working state.But existing car engine electronic control gear costs an arm and a leg, and relatively is fit to be installed in the senior vehicle.
Summary of the invention
The purpose of this utility model is to propose a kind of car engine electronic control gear, select a cover superior performance and a cheap chip portfolio scheme for use, realized the ECU all functions, and satisfied the reliability requirement of EMS system, to improve the cost performance of ECU cost greatly.
The car engine electronic control gear that the utility model proposes comprises: main control chip, analog signal processing circuit, the suction pressure signal processing circuit, preceding oxygen sensor signal processing circuit, the switching value signal processing circuit, the vehicle speed sensor signal processing circuit, the camshaft-signal sensor signal processing circuit, the crankshaft sensor signaling conversion circuit, the ignition duration feeder loop, controller local area network netting twine and diagnosing protocol line communication circuit, drive circuit of injector, stepper motor driving circuit, relay and little load driving circuits, front and back lambda sensor heating and charcoal jar driving circuit for electromagnetic valve, the chip select circuit of driving chip, ignition drive circuit and electric power management circuit; Described analog signal processing circuit, the suction pressure signal processing circuit, preceding oxygen sensor signal processing circuit, the switching value signal processing circuit, the vehicle speed sensor signal processing circuit, the camshaft-signal sensor signal processing circuit, the output terminal of crankshaft sensor signaling conversion circuit and ignition duration feeder loop joins with the input end of described main control chip respectively, the output terminal of main control chip respectively with drive circuit of injector, stepper motor driving circuit, relay and little load driving circuits, front and back lambda sensor heating and charcoal jar driving circuit for electromagnetic valve, the sheet of driving chip selects functional circuit, the input end of ignition drive circuit and electric power management circuit joins; Described controller local area network netting twine and diagnosing protocol line communication circuit and described main control chip carry out data communication.
The car engine electronic control gear that the utility model proposes, satisfied the requirement of ECU to the following condition, that is: powerful instruction system, abundant real-time interrupt resource, I/O capability at a high speed, be fit to complex operating environment, price is suitable.In the device of the present utility model, select this a main control chip of C167CS of Infineon company for use, have 16 high performance CPU cores, its CPU uses 5 level production lines and towards register manipulation, have interrupt response and context switching capability fast, make its application that can be fit to high-speed real-time, instruction system is powerful, use is flexible, satisfies the function requirement of present ECU fully.
Description of drawings
Fig. 1 is the structure road block diagram of the car engine electronic control gear that the utility model proposes.
Fig. 2 is the analog signal processing circuit figure in this device.
Fig. 3 is the suction pressure signal processing circuit figure in this device.
Fig. 4 is the preceding oxygen sensor signal processing circuit figure in this device.
Fig. 5 is the switching value signal processing circuit figure in this device.
Fig. 6 is the vehicle speed sensor signal processing circuit figure in this device.
Fig. 7 is the camshaft-signal sensor signal processing circuit figure in this device.
Fig. 8 is the crankshaft sensor signaling conversion circuit figure in this device.
Fig. 9 is the CAN line communication circuit figure in this device.
Figure 10 is the K line communication circuit figure in this device.
Figure 11 is the electric power management circuit figure in this device.
Figure 12 is the oil sprayer circuit diagram in this device
Figure 13 is the stepper motor driving circuit figure in this device.
Figure 14 is the relay in this device, little load driving circuits figure.
Figure 15 is front and back lambda sensor heating and charcoal jar driving circuit for electromagnetic valve figure in this device.
Figure 16 is the chip select circuit figure of the driving chip in this device.
Figure 17 is the ignition drive circuit figure in this device.
Figure 18 is the ignition duration feeder loop figure in this device.
Figure 19,20 is the main control chip circuit diagram in this device.
Embodiment
The car engine electronic control gear that the utility model proposes, its structured flowchart as shown in Figure 1.Comprise: main control chip, analog signal processing circuit, the suction pressure signal processing circuit, preceding oxygen sensor signal processing circuit, the switching value signal processing circuit, the vehicle speed sensor signal processing circuit, the camshaft-signal sensor signal processing circuit, the crankshaft sensor signaling conversion circuit, the ignition duration feeder loop, controller local area network netting twine and diagnosing protocol line communication circuit, drive circuit of injector, stepper motor driving circuit, relay and little load driving circuits, front and back lambda sensor heating and charcoal jar driving circuit for electromagnetic valve, the sheet of driving chip selects functional circuit, ignition drive circuit and electric power management circuit.Analog signal processing circuit, the suction pressure signal processing circuit, preceding oxygen sensor signal processing circuit, the switching value signal processing circuit, the vehicle speed sensor signal processing circuit, the camshaft-signal sensor signal processing circuit, the crankshaft sensor signaling conversion circuit, the output terminal of ignition duration feeder loop joins with the input end of main control chip respectively, the output terminal of main control chip respectively with drive circuit of injector, stepper motor driving circuit, relay and little load driving circuits, preceding lambda sensor heat driven circuit, the sheet of driving chip selects functional circuit, the input end of ignition drive circuit and electric power management circuit joins; Described controller local area network netting twine and diagnosing protocol line communication circuit and described main control chip carry out data communication.
Among the embodiment of the present utility model, main control chip U1 uses the C167CS single-chip microcomputer, realizes the control of motor; Analog signal processing circuit draws divider resistance to realize collection of simulant signal, and sends to described main control chip in the use; In the suction pressure signal processing circuit, use drop-down divider resistance to realize the suction pressure signals collecting, and send to described main control chip; In the preceding oxygen sensor signal processing circuit, use divider resistance to realize preceding oxygen sensor signal collection, and send to described main control chip; In the switching value signal processing circuit,, and send to described main control chip through realization switching value signals collecting after the filtering; In the vehicle speed sensor signal processing circuit,, and send to described main control chip through realization vehicle speed sensor signals collecting after the filtering; In the camshaft-signal sensor signal processing circuit, use pull-up resistor to realize the camshaft-signal sensor signals collecting, and send to described main control chip; In the crankshaft sensor signaling conversion circuit, adopt the U200 chip to realize signals collecting, the chip model is LM1815, and sends to described main control chip; In the CAN line communication circuit, use the U7 chip to realize carrying out data communication with described main control chip, the model of U7 chip is PCA82C250; In the K line communication circuit, use the U103 chip to realize carrying out data communication with described main control chip, the model of U103 chip is MC33290; In the electric power management circuit, use the U100 chip to realize and the data communication of described main control chip that the model of U100 chip is TLE4471; In the drive circuit of injector, use the U300 chip to realize carrying out data communication with described main control chip, the model of U300 is LM1949; In the stepper motor driving circuit, use the U10 chip to realize carrying out data communication with described main control chip, the model of U10 is LM9935; In relay, the little load driving circuits, use the U8C chip to realize carrying out data communication with described main control chip, the model of U8C is L9825; In front and back lambda sensor heating and the charcoal jar driving circuit for electromagnetic valve, use the U8B chip to realize carrying out data communication with described main control chip, the model of U8B chip is TLE6220; In the chip select circuit of driving chip, use chip U5 chip to realize that driving chip and described main control chip carry out data communication, the model of chip U16 is 74HCT574; Ignition drive circuit uses igbt chip to realize carrying out data communication with described main control chip, and the model of igbt chip is STGB10NB40LZ.The ignition duration feeder loop uses two-way voltage comparator U2A to realize carrying out data communication with described main control chip, and the model of U2A is LM2903.
Wherein, described analog signal processing circuit can be handled: throttle position sensor signal, cooling-water temperature transmitter signal, intake air temperature sensor signal, evaporator temperature sensor signal.Described switching value signal processing circuit can be handled: air-conditioning request switching signal, air condition compressor switching signal, power steering pressure switch signal, Der StandlichtScheinwerfer und Parkleuchtenschalter signal.Wherein, described camshaft-signal sensor signal processing circuit comprises that camshaft declares cylinder and two kinds of patterns of pressure cylinder decision.
When the work of this device, the analogue signal of importing to this device has: analogue signals such as manifold absolute pressure (MAP) signal, front and back oxygen sensor signal, evaporator temperature sensor signal, throttle position sensor signal, cooling water temperature sensor signal, intake air temperature sensor signal are received analog input channel AN0, AN2, AN4, AN9, AN10, AN11, the AN14 of the P5 mouth of main control chip respectively.The P5 mouth be 16 only be used to the port imported, its pin can be used as the analog signal channel of A/D converter, is the discernible digital signal of main control chip with the analog signal conversion of input, is input on the main control chip.
Supplied with digital signal: air-conditioning request switching signal, Der StandlichtScheinwerfer und Parkleuchtenschalter signal, camshaft signal, crankshaft signal, parking/digital signals such as neutral switch signal are received respectively on the pin of main control chip.
Use the drive circuit of LM1949 in the ECU circuit as oil sprayer, use the driving of LM9935 as stepper motor, use the IGNITION CONTROL driving element to use igbt chip STGB10NB40LZ, the drive circuit of signal processing such as the main relay that use L9825 constitutes, engine speed, air condition compressor relay, electric fuel punp relay, high low speed cooling fan relay.
Before and after the heating signal, the control of charcoal jar solenoid valve of lambda sensor, and the control signal of fault indicating lamp is driven by main control chip, and TLE6220 output control signal realizes controlling.
Below in conjunction with accompanying drawing, introduce one embodiment of the present of invention in detail:
Be illustrated in figure 2 as analog signal processing circuit figure of the present utility model.This circuit can be handled intake air temperature sensor signal, evaporator temperature sensor signal, water temperature sensor signal, throttle position sensor signal.The analogue signal of sensor output is imported analog signal processing circuit by CN1-1, after treatment by sending into main control chip after the AN9 output.The analog signal processing circuit Organizational Structure is as follows: input end CN1-1 place is connecting an end of resistance R 1, resistance R 2, another termination VCC power supply of resistance R 1, another termination output terminals A N9 of resistance R 2.One termination output terminals A N9 of capacitor C 1, the other end ground connection.Output terminals A N9 connects the 36th pin of main control chip.For the sensor of native system support is actually the resistance of a variation, an end ground connection of resistance, the other end is that signal output directly meets ECU.So ECU will provide a pull-up resistor R1 to connect the VCC power supply, the value of pull-up resistor is relevant with the characteristic of sensor resistance, and the maximum value of resistance is big more, and the value of pull-up resistor is also just big more.Also to directly receive by filtered signal on the AD sampling pin of main control chip C167CS after drawing on the input signal process through a single order low-pass filter circuit of forming by resistance R 2, capacitor C 1.The single order low-pass filter circuit is a kind of basic RC eliminator, and this circuit structure is simple and very effective for the filtering high-frequency signal.
Be illustrated in figure 3 as suction pressure signal processing circuit figure of the present utility model.The suction pressure signal is by CN1-2 input suction pressure signal processing circuit, after treatment by sending into main control chip after the AN0 output.Suction pressure signal processing circuit Organizational Structure is as follows: input end CN1-2 place is connecting an end of resistance R 3, resistance R 4, another termination output terminals A N0 of resistance R 3, the other end ground connection of resistance R 4.One termination output terminals A N0 of capacitor C 2, the other end ground connection.Output terminals A N0 connects the 27th pin of main control chip.What air inlet pressure sensor was exported is voltage signal.
Be illustrated in figure 4 as preceding oxygen sensor signal processing circuit figure of the present utility model.Preceding oxygen sensor signal is by the preceding oxygen sensor signal processing circuit of CN1-3 input, after treatment by sending into main control chip after the AN2 output.Preceding oxygen sensor signal processing circuit Organizational Structure is as follows: input end CN1-3 place is connecting an end of resistance R 7, resistance R 8, resistance R 9, resistance R 10.The collector electrode of another termination triode Q1 of resistance R 7, another termination VCC power supply of resistance R 8, another termination output terminals A N2 of resistance R 10, the other end ground connection of resistance R 9.The 17th pin of resistance R 6 one termination 74HCT574 chips, the base stage of another termination triode Q1.The 17th pin of resistance R 5 one termination 74HCT574 chips, another termination VCC power supply.The emitter of triode Q1 connects the VCC power supply.Capacitor C 3 one termination output terminals A N2, the other end ground connection.Output terminals A N2 connects the 29th pin of main control chip.Before entering, preceding oxygen sensor signal carried out dividing potential drop by resistance R 8 and R9 behind the oxygen sensor signal processing circuit.After passing through the filtering of π shape again, N2 sends into main control chip by output terminals A.Chip select circuit function by the 74HCT574 chip with gating before oxygen sensor signal send into the 100th pin of main control chip, whether conducting of variation control Q1 by high-low level, judging whether sensor internal resistance and signal be normal, thereby carry out the oxygen sensor signal fault diagnosis.
Be illustrated in figure 5 as switching value signal processing circuit figure of the present utility model.This circuit can be handled: air-conditioning switch signal, air condition compressor switching signal, Der StandlichtScheinwerfer und Parkleuchtenschalter signal, servosteering switching signal and parking neutral switch signal.The switching value signal is by CN1-4 input switch amount signal processing circuit, after treatment by sending into main control chip after the T6OUT output.Switching value signal processing circuit Organizational Structure is as follows: input end CN1-4 place is connecting an end of resistance R 11, resistance R 12, the other end ground connection of resistance R 12, another termination output terminal T6OUT of resistance R 11.One termination output terminal T6OUT of capacitor C 4, the other end ground connection.Output terminal T6OUT connects the 66th pin of main control chip.Resistance R 11, capacitor C 4 are formed the High-frequency Interference of single order low-pass filter circuit filtered signal in transmission course, and the signal after the processing is sent into the I/O pin of main control chip, is used to judge the high-low level state of this signal.
Be illustrated in figure 6 as vehicle speed sensor signal processing circuit figure of the present utility model.The vehicle speed sensor signal is by CN1-5 input vehicle speed sensor signal processing circuit, after treatment by sending into main control chip after the CC30IO output.Vehicle speed sensor signal processing circuit Organizational Structure is as follows: input end CN1-5 place is connecting the negative pole of diode D1, the anodal connecting resistance R13 of diode D1, an end of resistance R 14, another termination output terminal CC30IO of resistance R 13.The negative electrode of another termination Q1 of resistance R 14.One termination output terminal CC30IO of capacitor C 5, the other end ground connection.Output terminal CC30IO connects the 25th pin of main control chip.Because the vehicle speed sensor signal amplitude may be greater than battery voltage, so used diode D1 in the circuit.When CN1-5 connect high level, diode ended, and inserted microcontroller after the voltage process resistance R 13 of output terminal CC30I0, the R14 current limliting, and the microcontroller pin is damaged; When CN1-5 connects low level, the D1 conducting, the voltage of output terminal CC30IO also is low level.CN1-6 is the input of oil tank liquid level signal, an end of connecting resistance R15, resistance R 16, another negative electrode of another termination Q1 of resistance R 15, the 41st pin of another termination main control chip of resistance R 16.The 41st pin of one termination main control chip of capacitor C 6, the other end ground connection.
Be illustrated in figure 7 as camshaft-signal sensor signal processing circuit figure of the present utility model.The camshaft-signal sensor signal is by CN1-7 input cam axle sensor signal processing circuit, after treatment by sending into main control chip after the CAM_IN output.Camshaft-signal sensor signal processing circuit Organizational Structure is as follows: input end CN1-7 place is connecting an end of resistance R 17, resistance R 18, another termination VCC power supply of resistance R 18, another termination output terminal CAM_IN of resistance R 17.One termination output terminal CAM_IN of capacitor C 6, the other end ground connection.Output terminal CAM_IN connects the 63rd pin of main control chip.Because camshaft-signal sensor is the Hall-type device, output stage is open collector output, draws so used on the VCC connecting resistance R18 in ECU inside.When sensor is output as when low, output terminal CAM_IN is a low voltage; When sensor is output as when high, output terminal CAM_IN is a high voltage.
Be illustrated in figure 8 as crankshaft sensor signaling conversion circuit figure of the present utility model.The signal of crankshaft sensor is the sinusoidal wave signal, and the crankshaft sensor signaling conversion circuit is a square signal with the sinusoidal wave signal conversion, and conversion work is mainly finished by the functional circuit of U200.The crankshaft sensor signal is by CN1-8 input crankshaft sensor signal processing circuit, after treatment by sending into main control chip after the CRK_IN output.Crankshaft sensor signaling conversion circuit Organizational Structure is as follows: input end CN1-8 place is connecting an end of resistance R 19, resistance R 20, the 3rd pin of another termination U200 chip of resistance R 19, the other end ground connection of resistance R 20.The 3rd pin of capacitor C 7 one termination U200 chips, an end ground connection.The 7th pin of resistance R 21 1 termination U200 chips, an end ground connection.The 5th, 8 pins of U200 chip meet VCC, the 2nd, 11,14 pin ground connection.The 10th pin of one termination U200 chip of resistance R 22, another termination output terminal CRK_IN.The 10th pin of one termination U200 chip of resistance R 23, the other end ground connection.R20 is a divider resistance, constitutes bleeder circuit with the sensor internal resistance, when importing to reduce the sensor high voltage, and the 3rd pin of U200 chip and the voltage magnitude of the 7th pin.R23 is a pull down resistor, its objective is the voltage that reduces input main control chip pin.U200 the 10th pin is that sensor signal is handled back output, delivers to main control chip by output terminal CRK_IN behind R22.
Be illustrated in figure 9 as CAN line communication circuit figure of the present utility model.CAN (Controller Area Network) is a controller local area network, is one of most widely used Field bus in the world.CAN extensively is designed as the microcontroller communication in the automotive environment at present, and exchange message between vehicle-mounted each electric control device ECU forms the Vehicle Electronic Control network.CAN is a kind of serial communication bus of many master modes, and basic design code requires that high bit rate is arranged, high anti-electromagnetic interference, and can detect any mistake of generation.When signal transmission distance reached 10Km, CAN still can provide the data transfer rate up to 50Kbit/s.To communicate by letter with demarcation or monitoring tool by the CAN bus in the development processes such as the demarcation of ECU and test.The utility model adopts the interface chip of U7 chip as the CAN line.CAN line communication circuit Organizational Structure is as follows: the 1st pin of U7 chip connects the 92nd pin of main control chip.The 4th pin of U7 chip connects the 89th pin of main control chip.The 8th pin connecting resistance R24 one end of U7 chip, the other end ground connection.The 2nd pin ground connection of U7 chip, the 3rd pin meets VCC.The 7th pin of U7 chip connects the 1st pin of OP1, and the 6th pin of U7 chip connects the 2nd pin of OP1.The 4th pin of one termination OP1 of resistance R 25, the end of a termination capacitor C8, the 3rd pin of a termination OP1 of resistance R 26, the end of a termination capacitor C8, the other end ground connection of capacitor C 8.CANTXD and CANRXD are and the serial line interface communication terminal of main control chip that the 7th, 6 pins of U7 chip are CAN line communication pin.
Be K line communication circuit figure of the present utility model as shown in figure 10.The K bus also is the automobile-used bus that system requirements must be equipped with, and fault diagnosis functions are provided among the ECU, and the K line then is used for the bidirectional data transfers of self diagnosis instrument to ECU.The utility model adopts the interface chip of U103 chip as the K line.K line communication circuit Organizational Structure is as follows: the 6th pin of U103 chip connects the 78th pin of main control chip.The 5th pin of U103 chip connects the 77th pin of main control chip.The end of the 4th pin connecting resistance R27 of U103 chip, another termination VCC1 of resistance R 27.The 1st pin of U103 chip meets VCC1, and the 7th, 8 pins meet VCC.The 3rd pin ground connection of U103 chip.DIAGIN and DIAGOUT are the serial line interface communication terminal of U103 chip and main control chip, and the 4th pin of U103 chip is K line communication pin.
Be electric power management circuit figure of the present utility model as shown in figure 11.Electric power management circuit of the present utility model is realized by the functional circuit of chip U100.Electric power management circuit adopts the automobile storage battery power supply, can obtain VB power supply, VCC power supply, TMAP_VCC power supply and TPS_VCC power supply through behind the electric power management circuit.The electric power management circuit Organizational Structure is as follows: input end CN1-13 place is the battery voltage input, is connecting the positive pole of diode D4 herein, and the negative pole of diode D4 connects the 3rd pin of U100 chip.The end of capacitor C 12, C13 and the positive pole of electrochemical capacitor C14 connect the 3rd pin of U100 chip, the minus earth of the other end of capacitor C 12, C13 and electrochemical capacitor C14.Input end CN1-12 place is the input of ignition key voltage, connecting an end of resistance R 29, resistance R 30, capacitor C 11, the negative pole of TVS pipe D2 herein, the 28th pin of another termination main control chip of resistance R 29, the 2nd pin of another termination U100 chip of resistance R 30, the positive pole of TVS pipe D2 connects the positive pole of diode D3, the minus earth of the other end of capacitor C 11, diode D3.The 28th pin of one termination main control chip of resistance R 28, capacitor C 9, the other end ground connection.The 2nd pin of one termination U100 chip of capacitor C 10, the other end ground connection.One termination VCC of resistance R 31, the 14th pin of another termination U100 chip, the 7th pin of a termination U100 chip of capacitor C 15, the other end ground connection.The 8th pin of U100 chip connects the 16th pin of main control chip, the 16th, 12,19,13,1,10,11,20 pin ground connection of U100 chip.The 9th pin of U100 chip is the output terminal VCC power supply of electric power management circuit.The 4th pin of U100 chip is the output terminal TMAP_VCC power supply of electric power management circuit.The 4th pin of the termination U100 chip of capacitor C 16, C17, C18, C19, the other end ground connection.The 17th pin of U100 chip is the output terminal TPS_VCC power supply of electric power management circuit.The 17th pin of the termination U100 chip of capacitor C 20, C21, C22, C23, the other end ground connection.The 6th pin of U100 chip is the 140th pin that power reset output connects main control chip.The unilateral conduction of diode D4 provides power supply reverse connecting protection function; Capacitor C 12 and C13 play the effect of filtering ripple; The 2nd pin of U100 chip is the input signal of ignition key, is used to control VB, 5V voltage and the reset signal output of U100 chip.R30 is a current-limiting resistance, and the effect of TVS pipe D2 is effectively to absorb reverse transient state high energy impact events.In addition, when ignition key was closed, if the 8th pin input signal of U100 chip is high, then the voltage signal of VB, VCC had output equally, is used for writing with a brush dipped in Chinese ink adaptation value before the system cut-off.The 5V voltage that the ECU internal system is used is from pin 9 outputs.Pin 4 and 17 is respectively TMAP_VCC power supply and the output of TPS_VCC power supply, is connected to the power end of air inlet pressure sensor and throttle position sensor through capacitor filtering.
Be drive circuit of injector figure of the present utility model as shown in figure 12.Drive circuit of injector has mainly been used U300 chip and U304 chip.The model of U300 chip is LM1949, and the model of U304 chip is MC74HC04A.The drive circuit of injector Organizational Structure is as follows: the 8th pin of a termination U304 chip of resistance R 32, and the 1st pin of another termination U300 chip, the 9th pin of U304 chip connects the 47th pin of main control chip.The 8th pin connecting resistance R33 of U300 chip, an end of capacitor C 24, the 7th pin of the other end of resistance R 33 and U300 chip meets VCC, the other end ground connection of capacitor C 24.The 6th pin ground connection of U300 chip.The 2nd pin of one termination U300 chip of resistance R 34, capacitor C 25, the 3rd pin of another termination U200 chip of capacitor C 25, the base stage of the other end of resistance R 34 and triode Q3 connects an end of capacitor C 26.The grounded-emitter connection of the other end of capacitor C 26 and triode Q3, Q4.The 4th pin of one termination U300 of resistance R 35, the collector electrode of another termination triode Q3, Q4.One terminating resistor R35 of resistance R 38, the other end connecting resistance R42 of resistance R 38, an end of capacitor C 28 and the grid of metal-oxide-semiconductor Q5, the other end of resistance R 42, capacitor C 28 and the drain electrode of metal-oxide-semiconductor Q5 meet VCC1.The output of oil sprayer 1 drive signal+by the source electrode output of metal-oxide-semiconductor Q5, diode D5 plays the reversal protection effect.The end of one terminating resistor R40 of resistance R 39 and the base stage of diode Q4, the other end ground connection of resistance R 40, the 58th pin of another termination main control chip of resistance R 39.The 8th pin of one termination U304 chip of resistance R 36, the grid of another termination metal-oxide-semiconductor Q6, the drive signal of the drain electrode output oil sprayer 1 of metal-oxide-semiconductor Q6.The end of the source electrode connecting resistance R41 of metal-oxide-semiconductor Q6, the other end ground connection of resistance R 41.The 4th pin connecting resistance R37 of U300 chip, an end of capacitor C 27, the 26th pin of another termination storage chip of resistance R 37, the other end ground connection of capacitor C 27.The motor that the utility model is used has 4 cylinders, so need 4 tunnel identical fuel injection signals.
Be stepper motor driving circuit figure of the present utility model as shown in figure 13.Stepper motor driving circuit has mainly been used the U10 chip, and the model of U10 chip is L9935.ECU is to drive idle valve and realize control to the engine idle air inflow by driving idle speed step motor to the idle speed control of motor.The drive signal of idle speed step motor drives L9935 by main control chip and provides.L9935 communicates by letter by the SPI serial communication interface with main control chip.The stepper motor driving circuit Organizational Structure is as follows: the 6th pin of U10 chip meets VCC, and the 7th pin of U10 chip connects the 14th pin of U5 chip, and the model of U5 chip is 74HCT574, is that the sheet of drive circuit selects chip.The 4th pin of U10 chip connects the 76th pin of main control chip, and the 3rd pin of U10 chip connects the 80th pin of main control chip, and the 5th pin of U10 chip connects the 75th pin of main control chip.The 8th, 1,10,11,20 pin ground connection of U10 chip.The 16th pin of U10 chip meets VCC1.Capacitor C 30 1 termination VCC1, the 14th pin of a termination U10 chip, the 15th pin of a termination U10 chip of capacitor C 29, an end ground connection.One end of resistance R 42, resistance R 43 connects the 19th, 12 pins of U10 chip, the other end ground connection respectively.The 2nd pin of U10 chip, the 18th pin, the 9th pin, the step motor drive signal of the 13rd pin for exporting.The 2nd pin of U10 chip be the A of stepper motor export mutually+, the 18th pin of U10 chip be A export mutually-, the 9th pin of U10 chip be B export mutually+, the 13rd pin of U10 chip be B export mutually-.
Be relay of the present utility model, little load driving circuits figure as shown in figure 14.Relay, little load driving circuits have mainly been used the L9825 chip of ST company.The L9825 chip is a automobile specified chip of ST company, can drive 8 tunnel outputs.Relay, little load driving circuits provide the control output of little loads such as main relay, air condition compressor relay, fuel pump relay, high low speed refrigerating fan, engine rotational speed signal.These drive signals drive L9825 by main control chip control signal are provided, and L9825 communicates by letter by the SPI serial communication interface with main control chip.Relay, little load driving circuits Organizational Structure are as follows: the 8th pin of L9825 chip connects the 76th pin of main control chip.The 3rd pin of L9825 chip connects the 75th pin of main control chip.The 9th pin of L9825 chip connects the 80th pin of main control chip.The 19th pin of L9825 chip connects the 16th pin of U5 chip, and the model of U5 chip is 74HCT574, for the sheet of drive circuit selects chip.The 18th pin of L9825 chip connects the 141st pin of main control chip.The 2nd pin of L9825 chip connects the 7th pin of main control chip.The 12nd pin of L9825 chip connects the 11st pin of main control chip.The 4th pin of L9825 chip is the main relay control signal of output.The 14th pin of L9825 chip is the engine rotational speed signal of output.The 15th pin of L9825 chip is the high speed fan relay drive signal of output.The 6th pin of L9825 chip is the low speed fan relay drive signal of output.The 16th pin of L9825 chip is the air condition compressor relay drive signal of output.The 17th pin of L9825 chip is the fuel pump relay drive signal of output.The chip selection signal of L9825 is the 19th pin, and reseting controling signal is the 18th pin.Main relay and engine rotational speed signal are by the 2nd pin and the 12nd pin parallel control, and the control signal of other devices is controlled by SPI.
Be front and back of the present utility model lambda sensor heating and charcoal jar driving circuit for electromagnetic valve figure as shown in figure 15.Front and back of the present utility model lambda sensor heating and charcoal jar solenoid-driven drive the U8B chip by main control chip and realize control, and the model of U8B chip is TLE6220.Front and back lambda sensor heating and charcoal jar driving circuit for electromagnetic valve Organizational Structure are as follows: the 7th pin ground connection of U8B chip, the 9th pin of U8B chip connects the 12nd pin of main control chip, the 2nd pin of U8B chip connects the 60th pin of main control chip, the 19th pin of U8B chip meets VCC, the 12nd pin of U8B chip connects the 9th pin of main control chip, the 16th pin of U8B chip connects the 80th pin of main control chip, the 17th pin of U8B chip connects the 76th pin of main control chip, the 6th pin of U8B chip connects the 16th pin of U5 chip, the model of U5 chip is 74HCT574, for the sheet of drive circuit selects chip.The 15th pin of U8B chip connects the 75th pin of main control chip, and the 5th pin of U8B chip connects the 141st pin of main control chip.The 3rd pin of U8B chip is the preceding lambda sensor heating pwm signal of output, the 8th pin of U8B chip is the charcoal jar solenoid valve pwm signal of output, the 13rd pin of U8B chip is the trouble light drive signal of output, and the 18th pin of U8B chip is the post oxygen sensor heating pwm signal of output.The 9th, 12 pins of main control chip are PWM heat driven signal input part, and the 60th pin of main control chip is a charcoal jar control signal, and the chip selection signal of TLE6220 chip is the 6th pin.
Be the chip select circuit figure of driving chip of the present utility model as shown in figure 16.The utility model has been used between TLE6220, L9825, L9935 chip and the C167 all by the SPI serial interface communication.In order to solve the problem that last 1 SPI of C167 communicates by letter with 5 driving chip, designed the chip select circuit of driving chip.The least-significant byte address wire that adopts C167 is as gating siganl.The sheet that uses selects chip to be U5, and the model of U5 chip is 74HCT574.The chip select circuit figure Organizational Structure of driving chip is as follows: the model of U16 chip is 74VHC1GT00, and the 2nd pin of U16 chip meets VCC, the 4th pin ground connection, and the 3rd, 5 pins connect the 141st pin of main control chip, and the 1st pin connects the 1st pin of U5 chip.The 2-9 pin of U5 chip connects the 100-107 pin of main control chip respectively, and the 100-107 pin of main control chip is a data/address bus, and is multiplexing with the input of 74HCT574 chip.The 11st pin of U5 chip connects the 4th pin of main control chip, and the 4th pin of main control chip is the chip selection signal of 74HCT574 chip.The 19th pin of U5 chip connects the 14th pin of storage chip, and the 18th pin of U5 chip connects the 6th pin of TLE6220 chip, is the SPI chip selection signal of TLE6220, the lambda sensor heating.The 17th pin connecting resistance R5 of U5 chip, the end of R6 are oxygen sensor signal on the gating.The 16th pin of U5 chip connects the 19th pin of L9825 chip (U8C chip), is the SPI chip selection signal of L9825.The 15th pin of U5 chip is an oxygen sensor signal under the gating, and is similar with its 17th pin function.The 14th pin of U5 chip connects the 14th pin of L9935, is the SPI chip selection signal of L9935.The 13rd pin of U5 chip connects the 19th pin of L9825 chip (U8A chip), is the SPI gating siganl of L9825 chip.Each driving chip is by the chip select circuit function realization of 74HCT574 chip and the SPI serial interface communication between the main control chip.
Be ignition drive circuit figure of the present utility model as shown in figure 17.Ignition drive circuit has been used igbt chip STGB10NB40LZ.The ignition drive circuit Organizational Structure is as follows: the 53rd pin of a termination main control chip of resistance R 44, the grid of another termination igbt chip STGB10NB40LZ.The igniting drive signal that the grounded-emitter connection of igbt chip STGB10NB40LZ, the current collection of igbt chip STGB10NB40LZ are very exported.The end of CN1-32 connecting resistance R45 and the positive pole of diode D6, the negative pole output IGCX signal of diode D6, be input in the ignition duration feeder loop, one end of the other end of resistance R 45, capacitor C 31, the continuous place of the positive pole of diode D7, the IGCF2 signal is input to the closed duration feeder loop of primary air, the other end ground connection of capacitor C 31, the negative pole of diode D7 meets VCC.The igniting accumulation of energy time is fed back the 53rd pin of a termination main control chip for output comparing function pin, and the control ignition signal is provided, and control is connected the break-make of the primary air of lighting a fire with the collector electrode of igbt chip.Igbt chip STGB10NB40LZ is here as low-end switch.R44 is a current-limiting resistance, and it is excessive and damage the main control chip pin to prevent to be output as when high electric current.
Be ignition duration feeder loop figure of the present utility model as shown in figure 18.The ignition duration feeder loop adopts 1 two-way voltage comparator LM2903, obtains ignition duration by voltage ratio, to carry out the fault diagnosis of ignition system.Ignition duration feeder loop Organizational Structure is as follows: the output terminal of a termination ignition drive circuit of resistance R 46 is the negative pole of diode D6, the 2nd pin of another termination two-way voltage comparator LM2903 of resistance R 46.The positive pole of diode D8 connects the 2nd pin of two-way voltage comparator LM2903, and negative pole connects the VCC power supply.The 2nd pin of one termination two-way voltage comparator LM2903 of resistance R 49, capacitor C 32, the other end ground connection.One end of resistance R 47, resistance R 48, resistance R 50 is connected to together mutually, the other end ground connection of resistance R 48, the 3rd pin of another termination two-way voltage comparator LM2903 of resistance R 50, another termination VCC power supply of resistance R 47.One termination VCC of resistance R 52, capacitor C 33, the other end ground connection of capacitor C 33, the 1st pin of another termination two-way voltage comparator LM2903 of resistance R 52.The 3rd pin of one termination two-way voltage comparator LM2903 of resistance R 51, the 1st pin of another termination two-way voltage comparator LM2903.The 4th pin ground connection of two-way voltage comparator LM2903.The 1st pin of two-way voltage comparator LM2903 connects the 74th pin of main control chip, is igniting feedback 2 signals.When spark coil was not lighted a fire, the input voltage of CN1-32 was less than the comparator threshold voltage, and comparator is output as high level; After lighting a fire successfully, in the igniting duration, CN1-32 voltage is higher than the threshold voltage of comparator, and comparator is output as low level.R52 is the input pull-up resistor of default conditions, and IGCFB2 is not a high level when lighting a fire with assurance.The feedback signal of igniting duration feeder loop is used for judging the plug ignition endurance of each cylinder correspondence of igniting process.
As Figure 19, Figure 20 shows that main control chip circuit diagram of the present utility model.The utility model uses the C167CS chip of Infineon company as main control chip.Main control chip circuit organization structure is as follows: the 34th pin of a termination main control chip of capacitor C 34, the other end ground connection.The 106th pin of one termination main control chip of resistance R 53, the other end ground connection.The 113rd pin of one termination main control chip of resistance R 54, the other end ground connection.The 114th pin of one termination main control chip of resistance R 55, the other end ground connection.The 116th pin of one termination main control chip of resistance R 56, the other end ground connection.The 17th pin of main control chip, the 46th pin, the 56th pin, the 72nd pin, the 82nd pin, the 93rd pin, the 109th pin, the 126th pin, the 136th pin, the 144th pin meet power supply VCC.The 37th pin of one termination main control chip of resistance R 57, capacitor C 35, another termination VCC of resistance R 57, the other end ground connection of capacitor C 35.One end of the 42nd pin connecting resistance R58 of main control chip, resistance R 59, capacitor C 36, another termination VCC1 of resistance R 58, the other end ground connection of resistance R 59, capacitor C 36.One end of crystal oscillator Y1, resistance R 60, capacitor C 37 is connected to a place mutually, the 138th pin of another termination main control chip of crystal oscillator Y1, the 137th pin of another termination main control chip of resistance R 60, the other end ground connection of capacitor C 37.The 138th pin of one termination main control chip of capacitor C 38, the other end ground connection.The 38th pin of main control chip, the 18th pin, the 45th pin, the 55th pin, the 71st pin, the 83rd pin, the 94th pin, the 110th pin, the 127th pin, the 139th pin, the 143rd pin ground connection.The 61st pin of main control chip, the 64th pin, the 65th pin, the 67th pin link to each other, and are the crankshaft sensor input signal.The clock of C167CS chip uses X1 and X2 to import as system clock.After system reset, by P0H.5, P0H.6, the level of three pins of P0H.7 is determined the clock generating pattern.In the circuit design, use the 8M crystal oscillator as the clock source, it (is system clock frequency f=f that P0H.5, P0H.6, P0H.7 use default configuration
Xtal* 4), so system clock frequency is 32MHz.
Claims (12)
1, a kind of car engine electronic control gear is characterized in that this control gear comprises: main control chip, analog signal processing circuit, the suction pressure signal processing circuit, preceding oxygen sensor signal processing circuit, the switching value signal processing circuit, the vehicle speed sensor signal processing circuit, the camshaft-signal sensor signal processing circuit, the crankshaft sensor signaling conversion circuit, the ignition duration feeder loop, controller local area network netting twine and diagnosing protocol line communication circuit, drive circuit of injector, stepper motor driving circuit, relay and little load driving circuits, front and back lambda sensor heating and charcoal jar driving circuit for electromagnetic valve, the chip select circuit of driving chip, ignition drive circuit and electric power management circuit; Described analog signal processing circuit, the suction pressure signal processing circuit, preceding oxygen sensor signal processing circuit, the switching value signal processing circuit, the vehicle speed sensor signal processing circuit, the camshaft-signal sensor signal processing circuit, the crankshaft sensor signaling conversion circuit, the output terminal of ignition duration feeder loop joins with the input end of described main control chip respectively, the output terminal of main control chip respectively with drive circuit of injector, stepper motor driving circuit, relay and little load driving circuits, front and back lambda sensor heating and charcoal jar driving circuit for electromagnetic valve, the chip select circuit of driving chip, the input end of ignition drive circuit and electric power management circuit joins; Described controller local area network netting twine and diagnosing protocol line communication circuit and described main control chip carry out data communication.
2, device as claimed in claim 1 is characterized in that the input end CN1-2 of wherein said suction pressure signal processing circuit is connecting an end of resistance R 3, resistance R 4, another termination output terminals A NO of resistance R 3, the other end ground connection of resistance R 4; One termination output terminals A NO of capacitor C 2, the other end ground connection; The output terminals A NO of suction pressure signal processing circuit connects the 27th pin of main control chip.
3, device as claimed in claim 1 is characterized in that the input end CN1-3 of wherein said preceding oxygen sensor signal processing circuit is connecting an end of resistance R 7, resistance R 8, resistance R 9, resistance R 10; The collector electrode of another termination triode Q1 of resistance R 7, another termination VCC power supply of resistance R 8, another termination output terminals A N2 of resistance R 10, the other end ground connection of resistance R 9; The 17th pin of resistance R 6 one termination 74HCT574 chips, the base stage of another termination triode Q1; The 17th pin of resistance R 5 one termination 74HCT574 chips, another termination VCC power supply; The emitter of triode Q1 connects the VCC power supply; Capacitor C 3 one termination output terminals A N2, the other end ground connection; The output terminals A N2 of preceding oxygen sensor signal processing circuit connects the 29th pin of main control chip.
4, device as claimed in claim 1, it is characterized in that the input end CN1-8 place of wherein said crankshaft sensor signaling conversion circuit is connecting an end of resistance R 19, resistance R 20, the 3rd pin of another termination U200 chip of resistance R 19, the other end ground connection of resistance R 20; The 3rd pin of capacitor C 7 one termination U200 chips, an end ground connection; The 7th pin of resistance R 21 1 termination U200 chips, the other end ground connection; The 5th, 8 pins of U200 chip meet VCC, the 2nd, 11,14 pin ground connection; The 10th pin of one termination U200 chip of resistance R 22, the output terminal CRK_IN of another termination crankshaft sensor signaling conversion circuit; The 10th pin of one termination U200 chip of resistance R 23, the other end ground connection; The 61st, 64,65 and 67 pins of the output terminal CRK_IN of crankshaft sensor signaling conversion circuit and main control chip join.
5, device as claimed in claim 1 is characterized in that the input end CN1-13 place of wherein said electric power management circuit is the battery voltage input, is connecting the positive pole of diode D4 herein, and the negative pole of diode D4 connects the 3rd pin of U100 chip; The end of capacitor C 12, C13 and the positive pole of electrochemical capacitor C14 connect the 3rd pin of U100 chip, the minus earth of the other end of capacitor C 12, C13 and electrochemical capacitor C14; Input end CN1-12 place is the input of ignition key voltage, connecting an end of resistance R 29, resistance R 30, capacitor C 11, the negative pole of TVS pipe D2 herein, the 28th pin of another termination main control chip of resistance R 29, the 2nd pin of another termination U100 chip of resistance R 30, the positive pole of TVS pipe D2 connects the positive pole of diode D3, the minus earth of the other end of capacitor C 11, diode D3; The 28th pin of one termination main control chip of resistance R 28, capacitor C 9, the other end ground connection; The 2nd pin of one termination U100 chip of capacitor C 10, the other end ground connection; One termination VCC of resistance R 31, the 14th pin of another termination U100 chip, the 7th pin of a termination U100 chip of capacitor C 15, the other end ground connection; The 8th pin of U100 chip connects the 16th pin of main control chip, the 16th, 12,19,13,1,10,11,20 pin ground connection of U100 chip; The 9th pin of U100 chip is the output terminal VCC power supply of electric power management circuit; The 4th pin of U100 chip is the output terminal TMAP_VCC power supply of electric power management circuit; The 4th pin of the termination U100 chip of capacitor C 16, C17, C18, C19, the other end ground connection; The 17th pin of U100 chip is the output terminal TPS_VCC power supply of electric power management circuit; The 17th pin of the termination U100 chip of capacitor C 20, C21, C22, C23, the other end ground connection; The 6th pin of U100 chip is the 140th pin that power reset output connects main control chip.
6, device as claimed in claim 1 is characterized in that the 8th pin of a termination U304 chip of the resistance R 32 of wherein said drive circuit of injector, the 1st pin of another termination U300 chip, and the 9th pin of U304 chip connects the 47th pin of main control chip; The 8th pin connecting resistance R33 of U300 chip, an end of capacitor C 24, the 7th pin of the other end of resistance R 33 and U300 chip meets VCC, the other end ground connection of capacitor C 24; The 6th pin ground connection of U300 chip; The 2nd pin of one termination U300 chip of resistance R 34, capacitor C 25, the 3rd pin of another termination U200 chip of capacitor C 25, the base stage of the other end of resistance R 34 and triode Q3 connects an end of capacitor C 26; The grounded-emitter connection of the other end of capacitor C 26 and triode Q3, Q4; The 4th pin of one termination U300 of resistance R 35, the collector electrode of another termination triode Q3, Q4; One terminating resistor R35 of resistance R 38, the other end connecting resistance R42 of resistance R 38, an end of capacitor C 28 and the grid of metal-oxide-semiconductor Q5, the other end of resistance R 42, capacitor C 28 and the drain electrode of metal-oxide-semiconductor Q5 meet VCC1; Oil sprayer 1 drive signal output+export by the source electrode of metal-oxide-semiconductor Q5; The end of one terminating resistor R40 of resistance R 39 and the base stage of diode Q4, the other end ground connection of resistance R 40, the 58th pin of another termination main control chip of resistance R 39; The 8th pin of one termination U304 chip of resistance R 36, the grid of another termination metal-oxide-semiconductor Q6, the drive signal of the drain electrode output oil sprayer 1 of metal-oxide-semiconductor Q6; The end of the source electrode connecting resistance R41 of metal-oxide-semiconductor Q6, the other end ground connection of resistance R 41; The 4th pin connecting resistance R37 of U300 chip, an end of capacitor C 27, the 26th pin of another termination storage chip of resistance R 37, the other end ground connection of capacitor C 27.
7, device as claimed in claim 1, the 6th pin that it is characterized in that the U10 chip of wherein said stepper motor driving circuit meets VCC, the 7th pin of U10 chip connects the 14th pin of U5 chip, and the model of U5 chip is 74HCT574, is that the sheet of drive circuit selects chip; The 4th pin of U10 chip connects the 76th pin of main control chip, and the 3rd pin of U10 chip connects the 80th pin of main control chip, and the 5th pin of U10 chip connects the 75th pin of main control chip; The 8th, 1,10,11,20 pin ground connection of U10 chip; The 16th pin of U10 chip meets VCC1; Capacitor C 30 1 termination VCC1, the 14th pin of a termination U10 chip, the 15th pin of a termination U10 chip of capacitor C 29, an end ground connection; One end of resistance R 42, resistance R 43 connects the 19th, 12 pins of U10 chip, the other end ground connection respectively; The 2nd pin of U10 chip, the 18th pin, the 9th pin, the step motor drive signal of the 13rd pin for exporting; The 2nd pin of U10 chip be the A of stepper motor export mutually+, the 18th pin of U10 chip be A export mutually-, the 9th pin of U10 chip be B export mutually+, the 13rd pin of U10 chip be B export mutually-.
8, device as claimed in claim 1 is characterized in that the 8th pin of the L9825 chip of wherein said relay, little load driving circuits connects the 76th pin of main control chip; The 3rd pin of L9825 chip connects the 75th pin of main control chip; The 9th pin of L9825 chip connects the 80th pin of main control chip; The 19th pin of L9825 chip connects the 16th pin of U5 chip, and the model of U5 chip is 74HCT574, for the sheet of drive circuit selects chip; The 18th pin of L9825 chip connects the 141st pin of main control chip; The 2nd pin of L9825 chip connects the 7th pin of main control chip; The 12nd pin of L9825 chip connects the 11st pin of main control chip; The 4th pin of L9825 chip is the main relay control signal of output; The 14th pin of L9825 chip is the engine rotational speed signal of output; The 15th pin of L9825 chip is the high speed fan relay drive signal of output; The 6th pin of L9825 chip is the low speed fan relay drive signal of output; The 16th pin of L9825 chip is the air condition compressor relay drive signal of output; The 17th pin of L9825 chip is the fuel pump relay drive signal of output; The chip selection signal of L9825 is the 19th pin, and reseting controling signal is the 18th pin.
9, device as claimed in claim 1, the 7th pin ground connection that it is characterized in that the U8B chip of lambda sensor heating of wherein said front and back and charcoal jar driving circuit for electromagnetic valve, the 9th pin of U8B chip connects the 12nd pin of main control chip, the 2nd pin of U8B chip connects the 60th pin of main control chip, the 19th pin of U8B chip meets VCC, the 12nd pin of U8B chip connects the 9th pin of main control chip, the 16th pin of U8B chip connects the 80th pin of main control chip, the 17th pin of U8B chip connects the 76th pin of main control chip, the 6th pin of U8B chip connects the 16th pin of U5 chip, the model of U5 chip is 74HCT574, for the sheet of drive circuit selects chip; The 15th pin of U8B chip connects the 75th pin of main control chip, and the 5th pin of U8B chip connects the 141st pin of main control chip; The 3rd pin of U8B chip is the preceding lambda sensor heating pwm signal of output, the 8th pin of U8B chip is the charcoal jar solenoid valve pwm signal of output, the 13rd pin of U8B chip is the trouble light drive signal of output, and the 18th pin of U8B chip is the post oxygen sensor heating pwm signal of output; The 9th, 12 pins of main control chip are PWM heat driven signal input part, and the 60th pin of main control chip is a charcoal jar control signal, and the chip selection signal of TLE6220 chip is the 6th pin.
10, device as claimed in claim 1 is characterized in that the 53rd pin of a termination main control chip of the resistance R 44 of wherein said ignition drive circuit, the grid of another termination igbt chip; The igniting drive signal that the grounded-emitter connection of igbt chip, the current collection of igbt chip are very exported; The end of CN1-32 connecting resistance R45 and the positive pole of diode D6, the negative pole output IGCX signal of diode D6, be input in the ignition duration feeder loop, one end of the other end of resistance R 45, capacitor C 31, the continuous place of the positive pole of diode D7, the IGCF2 signal is input to the closed duration feeder loop of primary air, the other end ground connection of capacitor C 31, the negative pole of diode D7 meets VCC.
11, device as claimed in claim 1, the output terminal of a termination ignition drive circuit that it is characterized in that the resistance R 46 of wherein said ignition duration feeder loop is the negative pole of diode D6, the 2nd pin of another termination two-way voltage comparator of resistance R 46; The positive pole of diode D8 connects the 2nd pin of two-way voltage comparator, and negative pole connects the VCC power supply; The 2nd pin of one termination two-way voltage comparator of resistance R 49, capacitor C 32, the other end ground connection; One end of resistance R 47, resistance R 48, resistance R 50 is connected to together mutually, the other end ground connection of resistance R 48, the 3rd pin of another termination two-way voltage comparator of resistance R 50, another termination VCC power supply of resistance R 47; One termination VCC of resistance R 52, capacitor C 33, the other end ground connection of capacitor C 33, the 1st pin of another termination two-way voltage comparator of resistance R 52; The 3rd pin of one termination two-way voltage comparator of resistance R 51, the 1st pin of another termination two-way voltage comparator; The 4th pin ground connection of two-way voltage comparator; The 1st pin of two-way voltage comparator connects the 74th pin of main control chip, is igniting feedback 2 signals.
12, device as claimed in claim 1 is characterized in that the 34th pin of a termination main control chip of wherein said capacitor C 34, the other end ground connection; The 106th pin of one termination main control chip of resistance R 53, the other end ground connection; The 113rd pin of one termination main control chip of resistance R 54, the other end ground connection; The 114th pin of one termination main control chip of resistance R 55, the other end ground connection; The 116th pin of one termination main control chip of resistance R 56, the other end ground connection; The 17th pin of main control chip, the 46th pin, the 56th pin, the 72nd pin, the 82nd pin, the 93rd pin, the 109th pin, the 126th pin, the 136th pin, the 144th pin meet power supply VCC; The 37th pin of one termination main control chip of resistance R 57, capacitor C 35, another termination VCC of resistance R 57, the other end ground connection of capacitor C 35; One end of the 42nd pin connecting resistance R58 of main control chip, resistance R 59, capacitor C 36, another termination VCC1 of resistance R 58, the other end ground connection of resistance R 59, capacitor C 36; One end of crystal oscillator Y1, resistance R 60, capacitor C 37 is connected to a place mutually, the 138th pin of another termination main control chip of crystal oscillator Y1, the 137th pin of another termination main control chip of resistance R 60, the other end ground connection of capacitor C 37; The 138th pin of one termination main control chip of capacitor C 38, the other end ground connection; The 38th pin of main control chip, the 18th pin, the 45th pin, the 55th pin, the 71st pin, the 83rd pin, the 94th pin, the 110th pin, the 127th pin, the 139th pin, the 143rd pin ground connection; The 61st pin of main control chip, the 64th pin, the 65th pin, the 67th pin link to each other, and are the crankshaft sensor input signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201092170U CN201412232Y (en) | 2009-06-19 | 2009-06-19 | Electronic control device for automobile engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201092170U CN201412232Y (en) | 2009-06-19 | 2009-06-19 | Electronic control device for automobile engine |
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| CN201412232Y true CN201412232Y (en) | 2010-02-24 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733960A (en) * | 2011-04-01 | 2012-10-17 | 天津阿尔特汽车技术有限公司 | Start and stop device |
| CN102733982A (en) * | 2011-04-13 | 2012-10-17 | 通用汽车环球科技运作有限责任公司 | System and method for calibration and fault detection of non-contact position sensor |
| CN104763548A (en) * | 2015-03-04 | 2015-07-08 | 北京经纬恒润科技有限公司 | Oil injection current control system and method |
| CN105429532A (en) * | 2015-12-18 | 2016-03-23 | 航天恒星科技有限公司 | Stepping motor driving control system |
| CN113612018A (en) * | 2021-08-18 | 2021-11-05 | 深圳市维展电子显示科技有限公司 | Antenna device for industrial equipment communication |
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2009
- 2009-06-19 CN CN2009201092170U patent/CN201412232Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733960A (en) * | 2011-04-01 | 2012-10-17 | 天津阿尔特汽车技术有限公司 | Start and stop device |
| CN102733960B (en) * | 2011-04-01 | 2015-04-29 | 阿尔特（成都）汽车设计有限公司 | Start and stop device |
| CN102733982A (en) * | 2011-04-13 | 2012-10-17 | 通用汽车环球科技运作有限责任公司 | System and method for calibration and fault detection of non-contact position sensor |
| CN102733982B (en) * | 2011-04-13 | 2016-06-29 | 通用汽车环球科技运作有限责任公司 | System and method for the demarcation of non-contact position sensor and fault detect |
| CN104763548A (en) * | 2015-03-04 | 2015-07-08 | 北京经纬恒润科技有限公司 | Oil injection current control system and method |
| CN105429532A (en) * | 2015-12-18 | 2016-03-23 | 航天恒星科技有限公司 | Stepping motor driving control system |
| CN105429532B (en) * | 2015-12-18 | 2024-03-01 | 航天恒星科技有限公司 | Stepping motor driving control system |
| CN113612018A (en) * | 2021-08-18 | 2021-11-05 | 深圳市维展电子显示科技有限公司 | Antenna device for industrial equipment communication |
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