CN104806401A - Multifunctional oil injector driving controller - Google Patents
Multifunctional oil injector driving controller Download PDFInfo
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- CN104806401A CN104806401A CN201510248238.0A CN201510248238A CN104806401A CN 104806401 A CN104806401 A CN 104806401A CN 201510248238 A CN201510248238 A CN 201510248238A CN 104806401 A CN104806401 A CN 104806401A
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Abstract
The invention relates to a multifunctional oil injector driving controller. The multifunctional oil injector driving controller comprises a connector protection module, a main control module, a pre-driving module, a driving module, a boosting module and a power supply management module, wherein oil injection control signals output by an electronic control unit of an automobile pass through the connector protection module and then are input into the main control module; driving signals output by the main control module pass through the pre-driving module and then enter the driving module; the driving module is used for controlling the oil injector to work; oil injector current detecting signals output by the driving module pass through the pre-driving module and then are fed back to the main module; the boosting module is used for supplying high voltage to the pre-driving module and the driving module; the power supply management module is used for supplying power to the connector protection module, the main control module, the pre-driving module, the driving module and the boosting module. The multifunctional oil injector driving controller is efficient, accurate and reliable.
Description
Technical field
The present invention relates to a kind of oil sprayer drive controller, particularly relate to a kind of multi-functional oil sprayer drive controller.
Background technique
At present, along with continuous application and the popularization of Design of High Pressure Common Rail Diesel Engine and direct spray petrol engine in cylinder, the requirement of people to injector characteristics is also more and more higher, especially require more and more higher to the dynamic responding speed that oil sprayer opens and closes, this just requires that engine controller has high performance drive circuit and efficient control strategy, meanwhile, also to ensure that motor can run safely and reliably under rugged environment, very large challenge is proposed to the exploitation and design of engine controller.Available engine controller is only other control unit of signal level, or with lower powered driving resource (have or even there is no driving force), in the face of the oil sprayer of Design of High Pressure Common Rail Diesel Engine and direct spray petrol engine in cylinder drives requirement, be difficult to reach desirable effect.
According to the performance characteristic of fuel injector magnetic system current drives, its perfect driving is: when armature adhesive, as far as possible promptly should add larger electric current to electromagnetic valve coil, make it respond fast, carry out adhesive action; After adhesive, magnetic air gap reduces, and magnetic resistance also reduces, and now solenoid valve only needs less electric current stably can keep attracting state; When discharging, for reducing the hangover of solenoid valve, driving current should be cut off as quickly as possible, and discharging the electrical potential energy of solenoid valve fast.In this driving mode, maintaining the adhesive of solenoid valve with less maintenance electric current, the energy loss of storage battery can be reduced on the one hand, also can accelerate the release rate of solenoid valve on the other hand when discharging.
In order to realize this desirable oil sprayer driving mode, the drive circuit of more complicated is needed to design.Drive circuit in current industry is of all kinds, but generally speaking, has following several situation:
Divide from the difference of drive singal synthesis mode, mainly contain two kinds of forms: a kind of is the mode adopting main controller controls to export, and utilizes the Interruption of controller to realize to each stage control pulse realized in drive singal; This method needs to take a large amount of interrupt resources, unfavorable to the operation of controller, and namely complicated interrupt response can drag the motion speed of ramping controller, simultaneously the increase of number of interruptions, and potential procedural problem can be caused to exist; Therefore the control accuracy of this mode is difficult to ensure.Another kind of mode adopts analog circut to carry out building to splice and combine forming, need to utilize sampling feedback circuit ceaselessly to carry out feedback control, need to use pulse oscillator, trigger, comparator, amplifier, transistor etc. to build the control signal of different phase simultaneously, thus obtain the realization of different current needs; This approach reduces the resources occupation of master controller, but external circuit devices is more and send out assorted, relate to the digital circuit of high frequency and responsive analog circut mix design, larger difficulty is brought to circuit design work, do not meet circuit design digitizing and integrated trend, the state of eliminating.
Divide from the driving voltage of oil sprayer, there are two kinds of modes: a kind of is single high drive mode, the drive circuit of this mode is very simple, be easy to realize, but power consumpiton is large, very high to the requirement of boost module, precision is difficult to control simultaneously, it is very large that its circuit volume can become, and is not the direction of following controller exquisitenessization trend.Another kind is the mode that high/low pressure drives, high pressure (under normal circumstances most high energy reach a more than hectovolt) is adopted when namely opening, and keep voltage to adopt cell voltage (12 volts or 24 volts of cell voltages), less demanding to boost module of this mode, one tunnel boosting can meet multichannel demand, can reduce the heat load of booster circuit, be the direction of future development simultaneously, but the signal syntheses of this circuit is the difficult point in design.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of efficient, accurate, reliable multi-functional oil sprayer drive controller.
For solving the problems of the technologies described above, the present invention adopts following technological scheme:
Design a kind of multi-functional oil sprayer drive controller, containing interface protection module, main control module, predrive module, driver module, boost module and power management module, the electronic control unit ECU(Electronic Control Unit of automobile) fuel injector control signal that exports is input to main control module after interface protection module, the drive singal that main control module exports enters driver module after predrive module, driver module controls oil sprayer work, the oil sprayer current detection signal that driver module exports feeds back to main control module after predrive module, boost module provides high voltage for predrive module and driver module, power management module is interface protection module, main control module, predrive module, driver module and boost module are powered.
Containing the tenth diode in described interface protection module, 11 diode, 12 diode, 13 diode, tenth resistance and the 11 resistance, the positive pole of the tenth diode is connected with the negative pole of the 11 diode, the negative pole of the tenth diode is connected with power supply, the positive pole of the 11 diode is connected to ground, the fuel injector control signal output terminal of the electronic control unit of automobile is connected with the positive pole of the tenth diode by the tenth resistance, the positive pole of the 12 diode is connected with the negative pole of the 13 diode, the negative pole of the 12 diode is connected with power supply, the positive pole of the 13 diode is connected to ground, the power control signal output terminal of the electronic control unit of automobile is connected with the positive pole of the 12 diode by the 11 resistance,
Interface protection module can mask high pulse voltage signal, and clutter big current signal, and the core component of oil sprayer drive controller can be protected well not disturb by external high pressure impulsive noise signal.
Containing programmable logic controller (PLC) in described main control module, the positive pole of the tenth diode is connected with the fuel injector control signal input end of programmable logic controller (PLC);
Described main control module can catch the fuel injector control signal of input, then carries out signal syntheses, exports to predrive module, carries out high low pressure Time-sharing control and high-low side combination control, by interface protection module, the multichannel fuel injector control signal that the electronic control unit of automobile can be exported is transported in programmable logic controller (PLC), programmable logic controller (PLC) flows to multiple predrive module and driver module after can processing these fuel injector control signals respectively, control multiple oil sprayer work, therefore, main control module can realize controlling the independence of each Injection Control channel signal, unaffected each other, solve the oil spout overlapping phenomenon in most oil spout driving, ideally can process the fuel injector control signal that ECU exports, drive oil sprayer truly,
Described power management module contains triode and voltage stabilizer, the 7th diode that the power output end of car accumulator is connected by forward is connected with the input end of voltage stabilizer, the output terminal of voltage stabilizer is the output terminal of power management module, and the positive pole of the 12 diode is connected with the control end of voltage stabilizer by triode;
The voltage (12V/24V) that described power management module is mainly used to car accumulator processes, export the power supply of whole oil sprayer drive controller demand, the power control signal of ECU is used whether to control the power supply of power management module, when power control signal is high level, power management module is powered, when power control signal is low level, power management module is stopped power supply, power management module power on and off synchronous with whole engine control system;
Containing inductance in described boost module, storage capacitor, Twin channel low side driver and the 4th field effect transistor, the high voltage output control terminal of programmable logic controller (PLC) is connected with the first input end of Twin channel low side driver by the 8th resistance, first output terminal of Twin channel low side driver is connected with the grid of the 4th field effect transistor by the 4th resistance, the source ground of the 4th field effect transistor, the drain electrode of the 4th field effect transistor is connected with the power output end of car accumulator by inductance, the drain electrode of the 4th field effect transistor is also connected with the positive pole of the first diode, the negative pole of the first diode is by storage capacitor ground connection, the negative pole of the first diode is the high-voltage output terminal of boost module,
Described boost module according to different oil sprayer performance requirements, can regulate different boost voltage value, maximumly reaches 150V; Controlled by the PWM ripple of the 4th field effect transistor, the continuous discharge and recharge of inductance is carried out to the lifting of voltage;
Containing the first high-low side driver in predrive module, second high-low side driver, operational amplifier and comparator, first flash signal output part of programmable logic controller (PLC) is connected with the flash input end of the first high-low side driver by the first resistance, first low limit signal output part of programmable logic controller (PLC) is connected with the low limit input end of the first high-low side driver by the second resistance, second flash signal output part of programmable logic controller (PLC) is connected with the flash input end of the second high-low side driver by the 3rd resistance, the second diode that the high-voltage output terminal of boost module is connected by forward is connected with the flash floating voltage feeder ear of the first high-low side driver, the 8th diode that the input end of voltage stabilizer is connected by forward is connected with the flash floating voltage feeder ear of the second high-low side driver,
Containing the first field effect transistor in described driver module, second field effect transistor and the 3rd field effect transistor, the flash output terminal of the first high-low side driver is connected with the grid of the first field effect transistor by the 12 resistance, the low limit output terminal of the first high-low side driver is connected with the grid of the 3rd field effect transistor by the 9th resistance, the flash output terminal of the second high-low side driver is connected with the grid of the second field effect transistor by the 13 resistance, the flash floating compensation power voltage supply end of the first high-low side driver is connected with the source electrode of the first field effect transistor, the flash floating compensation power voltage supply end of the second high-low side driver is connected with the source electrode of the second field effect transistor, the high-voltage output terminal of boost module is connected with the drain electrode of the first field effect transistor, the 3rd diode that the source electrode of the first field effect transistor is connected by forward is connected with the first splicing ear of oil sprayer, the input end of voltage stabilizer is connected with the drain electrode of the second field effect transistor, the 4th diode that the source electrode of the second field effect transistor is connected by forward is connected with the first splicing ear of oil sprayer, first splicing ear of oil sprayer is also by the 5th diode ground connection of Opposite direction connection, second splicing ear of oil sprayer connects the high-voltage output terminal of boost module by the 6th diode that forward connects, second splicing ear of oil sprayer is also connected with the drain electrode of the 3rd field effect transistor, the source electrode of the 3rd field effect transistor is connected with the input end of operational amplifier by the 5th resistance, the output terminal of operational amplifier is connected with the input end of comparator by the 6th resistance, the output terminal of comparator is connected with the oil sprayer current detection signal input end of programmable logic controller (PLC) by the 7th resistance, programmable logic controller (PLC) realizes closed loop control by the size of current detecting injector drive circuit, export diagnostic message simultaneously, short circuit can be carried out, the diagnosis of open circuit, ensure the trouble free service of circuit,
Described driver module can realize the Time-sharing control of high-low voltage and oil sprayer is selected to control, and the 6th diode is fly-wheel diode, is used for protection the 3rd field effect transistor, can realize the effect that oil sprayer turns off fast simultaneously.
Also containing the first pull down resistor, the second pull down resistor and voltage-stabiliser tube in described interface protection module, the positive pole of the tenth diode is by the first pull down resistor ground connection, the positive pole of the 12 diode is by the second pull down resistor ground connection, voltage-stabiliser tube is attempted by between VDD-to-VSS, voltage-stabiliser tube can the fluctuation of clamped supply voltage, cost is low, respond well; Owing to there is no pull down resistor in programmable logic controller (PLC), in order to make programmable logic controller (PLC) pin be in known state, so add pull down resistor, to prevent the interference to programmable logic controller (PLC) Program under unknown state; Signal after interface protection module can be shaped to the square signal of standard;
Also containing Transient Voltage Suppressor and emergency flight control terminal in described power management module, the input end of voltage stabilizer is by Transient Voltage Suppressor ground connection, and emergency flight control terminal is connected with the control end of voltage stabilizer by triode; Power down emergency processing can be realized by emergency flight control terminal; First diode contains two diodes connected together.
The adoptable model of described programmable logic controller (PLC) is: EPM1270T144, the model of the first high-low side driver and the second high-low side driver is: IR2101S, the model of operational amplifier is: AD8051, the model of comparator is: LM2903, the model of Twin channel low side driver is: IR4427S, the model of voltage stabilizer is: LM2596S, and the first field effect transistor, the second field effect transistor, the 3rd field effect transistor and the 4th field effect transistor are N channel-type field effect transistor.
The present invention has actively useful technique effect:
High low pressure Time-sharing control and the high-low side combination that can realize Design of High Pressure Common Rail Diesel Engine and direct spray petrol engine in cylinder oil sprayer control, at automotive electronics electric control field, for the Injection Control realizing Design of High Pressure Common Rail Diesel Engine and direct spray petrol engine in cylinder provide efficiently, precisely, reliably, control apparatus easily; Meanwhile, the present invention utilizes the circuit of simplifying to realize the synthesis of drive singal, can solve the difficult point that master controller resource occupation is many, circuit is complicated well.
accompanying drawing illustrates:
Fig. 1 is the structural representation of multi-functional oil sprayer drive controller;
Fig. 2 is the circuit theory schematic diagram of main control module;
Fig. 3 is the circuit theory schematic diagram of interface protection module;
Fig. 4 is power management module circuit theory schematic diagram;
Fig. 5 is the circuit theory schematic diagram of predrive module;
Fig. 6 is the circuit theory schematic diagram of driver module;
Fig. 7 is the circuit theory schematic diagram of boost module.
embodiment:
See Fig. 1 ~ Fig. 7, in figure, multi-functional oil sprayer drive controller contains interface protection module, main control module, predrive module, driver module, boost module and power management module, the electronic control unit ECU(Electronic Control Unit of automobile) fuel injector control signal that exports is input to main control module after interface protection module, the drive singal that main control module exports enters driver module after predrive module, driver module controls oil sprayer work, the oil sprayer current detection signal that driver module exports feeds back to main control module after predrive module, boost module provides high voltage for predrive module and driver module, power management module is interface protection module, main control module, predrive module, driver module and boost module are powered.
Containing the tenth diode, the 11 diode, the 12 diode, the 13 diode, the tenth resistance Rpr1 and the 11 resistance Rpr5 in interface protection module, the positive pole of the tenth diode is connected with the negative pole of the 11 diode, the negative pole of the tenth diode is connected with power supply+5V, the positive pole of the 11 diode is connected to ground, the fuel injector control signal output terminal of the electronic control unit of automobile is connected with the positive pole PY1 of the tenth diode by the tenth resistance Rpr1, and the tenth diode and the 11 diode can be replaced by rectifier Dar1; The positive pole of the 12 diode is connected with the negative pole of the 13 diode, the negative pole of the 12 diode is connected with power supply, the positive pole of the 13 diode is connected to ground, the power control signal output terminal of the electronic control unit of automobile is connected with the positive pole KEY of the 12 diode by the 11 resistance Rpr5, and the 12 diode and the 13 diode can be replaced by rectifier Dar5;
Interface protection module can mask high pulse voltage signal, and clutter big current signal, and the core component of oil sprayer drive controller can be protected well not disturb by external high pressure impulsive noise signal.
Containing programmable logic controller (PLC) U1 in main control module, the positive pole PY1 of the tenth diode is connected with the fuel injector control signal input end 119 of programmable logic controller (PLC) U1;
Main control module can catch the fuel injector control signal of input, then carries out signal syntheses, exports to predrive module, carries out high low pressure Time-sharing control and high-low side combination control, by interface protection module, multichannel fuel injector control signal (the PY2 that the electronic control unit of automobile can be exported, PY3, PY4) be transported in programmable logic controller (PLC) U1, programmable logic controller (PLC) U1 flows to multiple predrive module and driver module after can processing these fuel injector control signals respectively, control multiple oil sprayer work, therefore, main control module can realize controlling the independence of each Injection Control channel signal, unaffected each other, solve the oil spout overlapping phenomenon in most oil spout driving, ideally can process the fuel injector control signal that ECU exports, drive oil sprayer truly,
Power management module contains triode Q29 and voltage stabilizer U2, the 7th diode D1 that the power output end POWER of car accumulator is connected by forward is connected with the input end IN of voltage stabilizer U2, the output terminal OUT of voltage stabilizer U2 is the output terminal of power management module, and the positive pole KEY of the 12 diode is connected with the control end ON/OFF of voltage stabilizer U2 by triode Q29;
The voltage (12V/24V) that power management module is mainly used to car accumulator processes, export the power supply of whole oil sprayer drive controller demand, the power control signal of ECU is used whether to control the power supply of power management module, when power control signal is high level, power management module is powered, when power control signal is low level, power management module is stopped power supply, power management module power on and off synchronous with whole engine control system;
Containing inductance L 1 in boost module, storage capacitor Cd1, Twin channel low side driver U6 and the 4th field effect transistor Q3, the high voltage output control terminal 95 of programmable logic controller (PLC) U1 is connected with the first input end INA of Twin channel low side driver U6 by the 8th resistance R8, the first output terminal OUTA of Twin channel low side driver U6 is connected with the grid of the 4th field effect transistor Q3 by the 4th resistance R9, the source ground of the 4th field effect transistor Q3, the drain electrode of the 4th field effect transistor Q3 is connected with the power output end POWER of car accumulator by inductance L 1, the drain electrode of the 4th field effect transistor U6 is also connected with the positive pole of the first diode D6, the negative pole of the first diode D6 is by storage capacitor Cd1 ground connection, the negative pole of the first diode D6 is the high-voltage output terminal of boost module,
Boost module according to different oil sprayer performance requirements, can regulate different boost voltage value, maximumly reaches 150V; Controlled by the PWM ripple of the 4th field effect transistor Q3, the continuous discharge and recharge of inductance L 1 is carried out to the lifting of voltage;
Containing the first high-low side driver U10 in predrive module, second high-low side driver U11, operational amplifier U61A and comparator U5B, the first flash signal output part 29 of programmable logic controller (PLC) U1 is connected with the flash input end HIN of the first high-low side driver U10 by the first resistance R37, the first low limit signal output part 3 of programmable logic controller (PLC) U1 is connected with the low limit input end LIN of the first high-low side driver U10 by the second resistance R40, the second flash signal output part 27 of programmable logic controller (PLC) U1 is connected with the flash input end HIN of the second high-low side driver U11 by the 3rd resistance R381, the second diode D9 that the high-voltage output terminal Vboost of boost module is connected by forward is connected with the flash floating voltage feeder ear Vb of the first high-low side driver U10, the 8th diode D10 that the input end Vbattery of voltage stabilizer U2 is connected by forward is connected with the flash floating voltage feeder ear Vb of the second high-low side driver U11,
Containing the first field effect transistor NMOS1 in driver module, second field effect transistor NMOS2 and the 3rd field effect transistor NMOS3, the flash output terminal HO of the first high-low side driver U10 is connected with the grid of the first field effect transistor NMOS1 by the 12 resistance R38, the low limit output terminal LO of the first high-low side driver U10 is connected with the grid of the 3rd field effect transistor NMOS3 by the 9th resistance R43, the flash output terminal HO of the second high-low side driver U11 is connected with the grid of the second field effect transistor NMOS2 by the 13 resistance R39, the flash floating compensation power voltage supply end Vs of the first high-low side driver U10 is connected with the source electrode of the first field effect transistor NMOS1, the flash floating compensation power voltage supply end Vs of the second high-low side driver U11 is connected with the source electrode of the second field effect transistor NMOS2, the high-voltage output terminal Vboost of boost module is connected with the drain electrode of the first field effect transistor NMOS1, the 3rd diode DI1 that the source electrode of the first field effect transistor NMOS1 is connected by forward is connected with the first splicing ear of oil sprayer, the input end Vbattery of voltage stabilizer U2 is connected with the drain electrode of the second field effect transistor NMOS2, the 4th diode DI2 that the source electrode of the second field effect transistor NMOS2 is connected by forward is connected with the first splicing ear of oil sprayer, first splicing ear of oil sprayer is also by the 5th diode DI3 ground connection of Opposite direction connection, second splicing ear of oil sprayer meets the high-voltage output terminal Vboost of boost module by the 6th diode DI4 that forward connects, second splicing ear of oil sprayer is also connected with the drain electrode of the 3rd field effect transistor NMOS3, the source electrode of the 3rd field effect transistor NMOS3 is connected with the input end of operational amplifier U61A by the 5th resistance R62, the output terminal of operational amplifier U61A is connected with the input end of comparator U5B by the 6th resistance R63, the output terminal of comparator U5B is connected with the oil sprayer current detection signal input end 42 of programmable logic controller (PLC) U1 by the 7th resistance R61, programmable logic controller (PLC) U1 realizes closed loop control by the size of current detecting injector drive circuit, export diagnostic message simultaneously, short circuit can be carried out, the diagnosis of open circuit, ensure the trouble free service of circuit,
Driver module can realize the Time-sharing control of high-low voltage and oil sprayer is selected to control, and the 6th diode DI4 is fly-wheel diode, is used for protection the 3rd field effect transistor NMOS3, can realize the effect that oil sprayer turns off fast simultaneously.
Also containing the first pull down resistor Rr1, the second pull down resistor Rr5 and voltage-stabiliser tube Dz1 in interface protection module, the positive pole PY1 of the tenth diode is by the first pull down resistor Rr1 ground connection, the positive pole KEY of the 12 diode is by the second pull down resistor Rr5 ground connection, voltage-stabiliser tube Dz1 is attempted by between VDD-to-VSS, voltage-stabiliser tube Dz1 can the fluctuation of clamped supply voltage, cost is low, respond well; Owing to there is no pull down resistor in programmable logic controller (PLC) U1, in order to make programmable logic controller (PLC) U1 pin be in known state, so add pull down resistor, to prevent the interference to programmable logic controller (PLC) U1 Program under unknown state; Signal after interface protection module can be shaped to the square signal of standard;
Also containing Transient Voltage Suppressor TVS1 and emergency flight control terminal in power management module, the input end Vbattery of voltage stabilizer U2 is by Transient Voltage Suppressor TVS1 ground connection, and emergency flight control terminal is connected with the control end ON/OFF of voltage stabilizer U2 by triode Q29; Power down emergency processing can be realized by emergency flight control terminal; First diode D6 contains two diodes connected together.
The model of programmable logic controller (PLC) U1 is: EPM1270T144, the model of the first high-low side driver U10 and the second high-low side driver U11 is: IR2101S, the model of operational amplifier U61A is: AD8051, the model of comparator U5B is: LM2903, the model of Twin channel low side driver U6 is: IR4427S, the model of voltage stabilizer U2 is: LM2596S, and the first field effect transistor NMOS1, the second field effect transistor NMOS2, the 3rd field effect transistor NMOS3 and the 4th field effect transistor Q3 are N channel-type field effect transistor.
Claims (9)
1. a multi-functional oil sprayer drive controller, it is characterized in that: containing interface protection module, main control module, predrive module, driver module, boost module and power management module, the fuel injector control signal that the electronic control unit of corresponding automobile exports is input to described main control module after described interface protection module, the drive singal that this main control module exports enters driver module after described predrive module, described driver module controls corresponding oil sprayer work, the oil sprayer current detection signal that described driver module exports feeds back to main control module after predrive module, described boost module provides high voltage for predrive module and driver module, described power management module is interface protection module, main control module, predrive module, driver module and boost module are powered.
2. multi-functional oil sprayer drive controller according to claim 1, it is characterized in that: containing the tenth diode in described interface protection module, 11 diode, 12 diode, 13 diode, tenth resistance and the 11 resistance, the positive pole of the tenth diode is connected with the negative pole of the 11 diode, the negative pole of the tenth diode is connected with power supply, the positive pole of the 11 diode is connected to ground, the fuel injector control signal output terminal of the electronic control unit of automobile is connected with the positive pole of the tenth diode by the tenth resistance, the positive pole of the 12 diode is connected with the negative pole of the 13 diode, the negative pole of the 12 diode is connected with power supply, the positive pole of the 13 diode is connected to ground, the power control signal output terminal of the electronic control unit of automobile is connected with the positive pole of the 12 diode by the 11 resistance.
3. multi-functional oil sprayer drive controller according to claim 1, is characterized in that: containing programmable logic controller (PLC) in described main control module, the positive pole of the tenth diode is connected with the fuel injector control signal input end of programmable logic controller (PLC).
4. multi-functional oil sprayer drive controller according to claim 1, it is characterized in that: described power management module contains triode and voltage stabilizer, the 7th diode that the power output end of car accumulator is connected by forward is connected with the input end of voltage stabilizer, the output terminal of voltage stabilizer is the output terminal of power management module, and the positive pole of the 12 diode is connected with the control end of voltage stabilizer by triode.
5. multi-functional oil sprayer drive controller according to claim 1, it is characterized in that: containing inductance in described boost module, storage capacitor, Twin channel low side driver and the 4th field effect transistor, the high voltage output control terminal of programmable logic controller (PLC) is connected with the first input end of Twin channel low side driver by the 8th resistance, first output terminal of Twin channel low side driver is connected with the grid of the 4th field effect transistor by the 4th resistance, the source ground of the 4th field effect transistor, the drain electrode of the 4th field effect transistor is connected with the power output end of car accumulator by inductance, the drain electrode of the 4th field effect transistor is also connected with the positive pole of the first diode, the negative pole of the first diode is by storage capacitor ground connection, the negative pole of the first diode is the high-voltage output terminal of boost module.
6. multi-functional oil sprayer drive controller according to claim 1, it is characterized in that: containing the first high-low side driver in described predrive module, second high-low side driver, operational amplifier and comparator, first flash signal output part of programmable logic controller (PLC) is connected with the flash input end of the first high-low side driver by the first resistance, first low limit signal output part of programmable logic controller (PLC) is connected with the low limit input end of the first high-low side driver by the second resistance, second flash signal output part of programmable logic controller (PLC) is connected with the flash input end of the second high-low side driver by the 3rd resistance, the second diode that the high-voltage output terminal of boost module is connected by forward is connected with the flash floating voltage feeder ear of the first high-low side driver, the 8th diode that the input end of voltage stabilizer is connected by forward is connected with the flash floating voltage feeder ear of the second high-low side driver.
7. multi-functional oil sprayer drive controller according to claim 1, it is characterized in that: containing the first field effect transistor in described driver module, second field effect transistor and the 3rd field effect transistor, the flash output terminal of the first high-low side driver is connected with the grid of the first field effect transistor by the 12 resistance, the low limit output terminal of the first high-low side driver is connected with the grid of the 3rd field effect transistor by the 9th resistance, the flash output terminal of the second high-low side driver is connected with the grid of the second field effect transistor by the 13 resistance, the flash floating compensation power voltage supply end of the first high-low side driver is connected with the source electrode of the first field effect transistor, the flash floating compensation power voltage supply end of the second high-low side driver is connected with the source electrode of the second field effect transistor, the high-voltage output terminal of boost module is connected with the drain electrode of the first field effect transistor, the 3rd diode that the source electrode of the first field effect transistor is connected by forward is connected with the first splicing ear of oil sprayer, the input end of voltage stabilizer is connected with the drain electrode of the second field effect transistor, the 4th diode that the source electrode of the second field effect transistor is connected by forward is connected with the first splicing ear of oil sprayer, first splicing ear of oil sprayer is also by the 5th diode ground connection of Opposite direction connection, second splicing ear of oil sprayer connects the high-voltage output terminal of boost module by the 6th diode that forward connects, second splicing ear of oil sprayer is also connected with the drain electrode of the 3rd field effect transistor, the source electrode of the 3rd field effect transistor is connected with the input end of operational amplifier by the 5th resistance, the output terminal of operational amplifier is connected with the input end of comparator by the 6th resistance, the output terminal of comparator is connected with the oil sprayer current detection signal input end of programmable logic controller (PLC) by the 7th resistance.
8. multi-functional oil sprayer drive controller according to claim 2, it is characterized in that: also containing the first pull down resistor, the second pull down resistor and voltage-stabiliser tube in described interface protection module, the positive pole of the tenth diode is by the first pull down resistor ground connection, the positive pole of the 12 diode is by the second pull down resistor ground connection, and voltage-stabiliser tube is attempted by between VDD-to-VSS; Also containing Transient Voltage Suppressor and emergency flight control terminal in power management module, the input end of voltage stabilizer is by Transient Voltage Suppressor ground connection, and emergency flight control terminal is connected with the control end of voltage stabilizer by triode; First diode contains two diodes connected together.
9. multi-functional oil sprayer drive controller according to claim 3, is characterized in that: the model of described programmable logic controller (PLC) is EPM1270T144; The model of the first high-low side driver and the second high-low side driver is IR2101S; The model of described operational amplifier is AD8051; The model of described comparator is LM2903; The model of described Twin channel low side driver is IR4427S; The model of described voltage stabilizer is LM2596S; Described first field effect transistor, the second field effect transistor, the 3rd field effect transistor and the 4th field effect transistor are N channel-type field effect transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510248238.0A CN104806401B (en) | 2015-05-16 | 2015-05-16 | Multi-functional fuel injector drive control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510248238.0A CN104806401B (en) | 2015-05-16 | 2015-05-16 | Multi-functional fuel injector drive control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104806401A true CN104806401A (en) | 2015-07-29 |
| CN104806401B CN104806401B (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510248238.0A Active CN104806401B (en) | 2015-05-16 | 2015-05-16 | Multi-functional fuel injector drive control device |
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Cited By (6)
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| CN105422963A (en) * | 2015-12-18 | 2016-03-23 | 无锡隆盛科技股份有限公司 | Solenoid valve control circuit of electronic unit pump of engine |
| CN105736162A (en) * | 2014-12-08 | 2016-07-06 | 联创汽车电子有限公司 | Common rail diesel engine oil injection control system |
| CN107086779A (en) * | 2017-04-28 | 2017-08-22 | 东莞铭基电子科技集团有限公司 | Automobile intelligent is depressured line apparatus |
| CN107120201A (en) * | 2017-07-03 | 2017-09-01 | 山东建筑大学 | A kind of drive circuit of injector with arc-extinguishing circuit and current detecting |
| CN109695510A (en) * | 2017-10-23 | 2019-04-30 | 通用汽车环球科技运作有限责任公司 | With the light hybrid power system for simplifying fuel injector pressurization |
| CN112746908A (en) * | 2021-01-15 | 2021-05-04 | 无锡职业技术学院 | Novel diesel engine high pressure common rail piezoelectric ceramic oil injector driving control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105736162A (en) * | 2014-12-08 | 2016-07-06 | 联创汽车电子有限公司 | Common rail diesel engine oil injection control system |
| CN105736162B (en) * | 2014-12-08 | 2018-06-19 | 联创汽车电子有限公司 | common rail diesel engine fuel injection control system |
| CN105422963A (en) * | 2015-12-18 | 2016-03-23 | 无锡隆盛科技股份有限公司 | Solenoid valve control circuit of electronic unit pump of engine |
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| CN107086779A (en) * | 2017-04-28 | 2017-08-22 | 东莞铭基电子科技集团有限公司 | Automobile intelligent is depressured line apparatus |
| CN107120201A (en) * | 2017-07-03 | 2017-09-01 | 山东建筑大学 | A kind of drive circuit of injector with arc-extinguishing circuit and current detecting |
| CN107120201B (en) * | 2017-07-03 | 2019-06-21 | 山东建筑大学 | A kind of drive circuit of injector with arc-extinguishing circuit and current detecting |
| CN109695510A (en) * | 2017-10-23 | 2019-04-30 | 通用汽车环球科技运作有限责任公司 | With the light hybrid power system for simplifying fuel injector pressurization |
| CN109695510B (en) * | 2017-10-23 | 2021-09-21 | 通用汽车环球科技运作有限责任公司 | Light hybrid powertrain with simplified fuel injector boosting |
| CN112746908A (en) * | 2021-01-15 | 2021-05-04 | 无锡职业技术学院 | Novel diesel engine high pressure common rail piezoelectric ceramic oil injector driving control system |
| CN112746908B (en) * | 2021-01-15 | 2021-11-12 | 无锡职业技术学院 | Driving control system for high-pressure common-rail piezoelectric ceramic oil injector of diesel engine |
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