CN205605691U - Silicon oil clutch control circuit - Google Patents
Silicon oil clutch control circuit Download PDFInfo
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- CN205605691U CN205605691U CN201620181485.3U CN201620181485U CN205605691U CN 205605691 U CN205605691 U CN 205605691U CN 201620181485 U CN201620181485 U CN 201620181485U CN 205605691 U CN205605691 U CN 205605691U
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Abstract
The utility model discloses a silicon oil clutch control circuit, includes: power supply circuit, CPU circuit, CAN communication circuit, silicon oil clutch drive circuit, fan speed measuring circuit and voltage acquisition circuit, wherein power supply circuit's output is continuous with the power input end of CPU circuit, CAN communication circuit, voltage acquisition circuit, fan speed measuring circuit, and CPU communication circuit's output links to each other with the signal input part of silicon oil clutch drive circuit, fan speed measuring circuit. The utility model discloses take precautions against the easy normal interference factor who appears of practical application in -process, guaranteed safe, stable, the normal operation of silicon oil clutch control device, also for the car is safe in the different work condition environment, stable traveling provides technical guarantee, promoted the factor of safety of whole car.
Description
Technical field
This utility model relates to clutch field, particularly relates to a kind of silicon oil clutch control circuit.
Background technology
Clutch is parts important in automobile, is arranged between electromotor and variator, is automotive transmission
In total member of being directly associated with electromotor.Clutch is divided into electromagnetic clutch, magnetic powder cluth, friction
Formula clutch and fluid clutch four kinds, wherein being most widely used of electromagnetic clutch, it is by coil
Power on/off controls the joint of clutch and separates.
In existing electromagnetic clutch there is certain owing in prior art in circuit board internal structure or design
Lack, cause controlling device control accuracy in running and be difficult to ensure that.Automobile is subject to during actual travel
Outside environmental elements impact is relatively big, and the impact on controlling device is bigger.
Utility model content
The purpose of this utility model is to provide one and combines multiple external interference factor and carry out Anti-interference Design, no
Only improve the stability of control device and improve control device to a great extent to silicon oil clutch
Control accuracy realize fan is precisely controlled, the safety traffic for automobile provides technical guarantee.
For achieving the above object, this utility model provides following scheme, including:
Power circuit, cpu circuit, CAN communication circuit, silicon oil clutch drive circuit, rotation speed of the fan
Measuring circuit and voltage collection circuit；The outfan of power circuit and cpu circuit, CAN communication circuit,
Voltage collection circuit, the power input of fan speed measurement circuit are connected, CPU telecommunication circuit defeated
Go out end to be connected with the signal input part of silicon oil clutch drive circuit, fan speed measurement circuit.
Optionally, power circuit specifically includes: power supply chip LM2574-5 U1, the first electric capacity C1,
Second electric capacity C2, the first inductance L1, the first diode D1, power supply chip LM1117-3.3 U2,
3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C7, connector AMP-776267-1 P1,
One resistance R23, the first field effect transistor Q4, the first Zener diode DZ1；
Power supply chip LM2574-5 the first pin is through the first capacitor filtering ground connection, the second pin, the 3rd pipe
Foot, the 4th pipe, the 6th pin are directly grounded, and the 5th pin is through the second capacitor filtering ground connection, the 5th pin
Meeting voltage 12V/24V, the 7th pin is through the first reversal of diode ground connection, and the 7th pin is defeated through the first inductance
Go out voltage 5V；
Power supply chip LM1117-3.3 the first pin is directly grounded, the second pin through the 3rd electric capacity, the 4th
Capacitor filtering ground connection, the second pin and the 4th pin output voltage 3.3V, the filtered electric capacity of three-prong
Five capacity earths, three-prong meets voltage 5V；
The source electrode of connector AMP-776267-1 the first pin and the first field effect transistor is connected, first
The drain electrode of effect pipe is directly grounded, the grid of the first field effect transistor through the first resistance connection+12V, first
The grid of effect pipe connects 12V, three-prong through the first Zener diode inverse parallel ground connection, the second pin
Being connected with CAN Shield, the 4th pin is connected with CAN-, and the 5th pin is connected with CAN+
Connecing, the 6th pin, the 7th pin, the 8th pin, the 9th pin and the 11st pin are unsettled, the tenth pipe
Foot is connected with COIL+, and the 12nd pin is connected with Fan-Input, and the tenth three-prong is directly grounded, the
14 pin connection+5V.
Optionally, CAN communication circuit specifically includes: controller TJA1042T/3, the first inductance L2,
Second inductance L3, the first electric capacity C6, the second electric capacity C8, the 3rd electric capacity C9, the 4th electric capacity C10,
5th electric capacity C13, common mode inductance ACT45B-510-2P-TL003U3, the first resistance R14；
Controller TJA1042T/3 the first pin connects TX CAN, and the second pin, three-prong are through the
Three electric capacity and the second inductance ground connection, second pin connect+5V CAN, the second pin through the second inductance with
+ 5V is connected, and+5V CAN the 3rd electric capacity one end is connected with the second pin, the other end and three-prong phase
Even, the 4th pin is connected with RX CAN, and the 5th pin is connected with+3.3V, and the 6th pin is through the 4th electricity
Holding and be connected with GND_CAN, the 6th pin exports CAN-through common mode inductance, and the 7th pin is through the first electricity
Holding and be connected with GND_CAN, the 7th pin exports CAN+, described signal CAN through common mode inductance
Shield is connected to GND_CAN through the first resistance, the 5th electric capacity.
Optionally, silicon oil clutch drive circuit specifically includes:
First resistance R15, the first electric capacity C14, the second resistance R17, the first audion Q2, the 3rd
Resistance R19, the 4th resistance R18, the first field effect transistor Q3, the first LED 0, clutch
Device coil RL1；
First resistance and the first electric capacity are in parallel, and after parallel connection, one end is connected with pwm signal, and one end is through institute
Stating the second resistance eutral grounding, the first transistor base is directly grounded through the second resistance eutral grounding, emitter stage, current collection
Pole the 3rd resistance and the first field effect transistor source electrode are connected, and the 4th resistance one end is connected with the 3rd resistance, separately
One end is connected with+12V, and the drain electrode of the first field effect transistor is through the first light emitting diode and clutch coil phase
Even, the clutch coil other end is directly grounded.
Optionally, fan speed measurement circuit, specifically include:
First resistance R6, the second resistance R8, the first audion Q1, the 3rd resistance R7, the 4th resistance
R9, the first electric capacity C5；
First resistance is connected with signal Fan-Input, separately through the second resistance eutral grounding, one end of the first resistance
One end is connected with the base stage of the first audion, and the emitter stage of the first audion is directly grounded, and colelctor electrode is through institute
Stating the 3rd resistance connection+12V, the 4th resistance one end is connected with the colelctor electrode of the first audion, and the other end is even
Meeting FAN_F to be connected, first electric capacity one end is connected with signal FAN_F, one end ground connection.
Optionally, cpu circuit specifically includes:
Cpu chip STM32F103C8T6 U5, the first electric capacity C19, the second electric capacity C20, the 3rd
Electric capacity C21, the 4th electric capacity C22, the 5th electric capacity C17, the 6th electric capacity C16, the 7th electric capacity C18,
First resistance R22, the second resistance R24, the 3rd resistance R25, Y1；
Cpu chip second pin connect signal LED_CAN, the 5th pin through the 3rd resistance, the 7th
Capacity earth, the 6th pin is through the 6th capacity earth, and the 6th pin is through Y1, the 3rd resistance and the 5th pipe
Foot is connected, and the 7th pin is through the 5th capacity earth, and the 7th pin is connected with+3.3V through the first resistance, the
44 pins are Fault LED signal through described second resistance eutral grounding, the 46th pin, the 40th
Three-prong is SDA signal, and the 42nd pin is SCL signal, and the 19th pin is FAN_F letter
Number, the 20th three-prong, 35 pins, 47 pins are directly grounded, and the 8th pin is VSSA
Signal, the 24th, 36,48 pins be connected with+3.3V ,+3.3V passes through filter capacitor
First electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity are directly grounded, and the 9th pin is VDDA
Signal, the 38th pin is TDI signal, and the 37th pin is tck signal, the 34th pipe
Foot is tms signal, and the 30th three-prong is TX_CAN signal, and the 32nd pin is RX_CAN
Signal, the 17th pin is ADC5 signal, and the 16th pin is ADC12 signal, the 15th pin
For ADC3 signal, remaining pin is unsettled.
Optionally, voltage collection circuit specifically includes:
First resistance R10, the second resistance R11, the 3rd resistance R12, the 4th resistance R13, the 5th electricity
Resistance R1, the 6th resistance R2, the first electric capacity C11, the second electric capacity C12；
First resistance one end is connected with 12V/24V, and one end is connected with the second resistance, second resistance one end with
ADC5 signal vector, one end ground connection, first electric capacity one end is connected with ADC5 signal, one end and ground phase
Connecting, the 3rd resistance one end is connected with 12V/24V, and one end is connected with the 4th resistance, the 4th resistance one
End and ADC12 signal vector, one end ground connection, second electric capacity one end is connected with ADC12 signal, and one
End is connected to the ground and connects, and the 5th resistance one end is connected with+3.3V, and one end is connected with the 6th resistance, the 6th electricity
Resistance one end is connected with ADC3 signal, and one end is connected to the ground.
This utility model has taken precautions against the interference factor the most often occurred in actual application, thus at very great Cheng
Ensure that on degree silicon oil clutch control device safe and stable, run normally, be also that automobile is in difference
Traveling safe and stable in work condition environment provides technical guarantee, improves the safety coefficient of car load.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below by right
In embodiment, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only
It is only embodiments more of the present utility model, for those of ordinary skill in the art, is not paying creation
On the premise of property is laborious, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is each circuit module connection diagram of this utility model embodiment；
Fig. 2 (a) represents power supply chip LM2574-5 circuit diagram；
Fig. 2 (b) represents power supply chip LM1117-3.3 circuit diagram；
Fig. 2 (c) represents power circuit input reverse connection prevention protection circuit；
Fig. 3 is this utility model embodiment CAN communication circuit figure；
Fig. 4 is this utility model embodiment silicon oil clutch drive circuit circuit diagram；
Fig. 5 is this utility model embodiment fan speed measurement circuit figure；
Fig. 6 is this utility model embodiment cpu circuit circuit diagram；
Fig. 7 is this utility model embodiment voltage collection circuit circuit diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical side in this utility model embodiment
Case is clearly and completely described, it is clear that described embodiment is only that this utility model part is real
Execute example rather than whole embodiments.Based on the embodiment in this utility model, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, broadly falls into this utility model
The scope of protection.
The purpose of this utility model is to provide a kind of silicon oil clutch control circuit, mainly include power circuit 1,
Cpu circuit 2, CAN communication circuit 3, silicon oil clutch drive circuit 4, fan speed measurement circuit
5 and voltage collection circuit 6；The outfan of power circuit 1 and cpu circuit 2, CAN communication circuit 3,
Voltage collection circuit 6, the power input of fan speed measurement circuit 5 are connected, CPU telecommunication circuit 2
Outfan be connected with the signal input part of silicon oil clutch drive circuit 4, fan speed measurement circuit 5.
Optionally, power circuit specifically includes: power supply chip LM2574-5 U1, the first electric capacity C1,
Second electric capacity C2, the first inductance L1, the first diode D1, power supply chip LM1117-3.3 U2,
3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C7, connector AMP-776267-1 P1,
One resistance R23, the first field effect transistor Q4, the first Zener diode DZ1；
Power supply chip LM2574-5 the first pin is through the first capacitor filtering ground connection, the second pin, the 3rd pipe
Foot, the 4th pipe, the 6th pin are directly grounded, and the 5th pin is through the second capacitor filtering ground connection, the 5th pin
Meeting voltage 12V/24V, the 7th pin is through the first reversal of diode ground connection, and the 7th pin is defeated through the first inductance
Go out voltage 5V；
Power supply chip LM1117-3.3 the first pin is directly grounded, the second pin through the 3rd electric capacity, the 4th
Capacitor filtering ground connection, the second pin and the 4th pin output voltage 3.3V, the filtered electric capacity of three-prong
Five capacity earths, three-prong meets voltage 5V；
The source electrode of connector AMP-776267-1 the first pin and the first field effect transistor is connected, first
The drain electrode of effect pipe is directly grounded, the grid of the first field effect transistor through the first resistance connection+12V, first
The grid of effect pipe connects 12V, three-prong through the first Zener diode inverse parallel ground connection, the second pin
Being connected with CAN Shield, wherein CAN Shield signal is CAN communication shielding ground the 4th pin
Be connected with CAN-, high position data signal during wherein CAN-is CAN communication network, the 5th pin with
CAN+ is connected, low data signal during wherein CAN+ is CAN communication network, the 6th pin,
7th pin, the 8th pin, the 9th pin and the 11st pin are unsettled, and the tenth pin is connected with COIL+,
Wherein COIL+ is silicon oil clutch solenoid-driven signal, and the 12nd pin is connected with Fan-Input,
Wherein Fan-Input is that rotation speed of the fan gathers signal, and the tenth three-prong is directly grounded, and the 14th pin is even
Meet+5V.
When, after the positive and negative reversal connection of power supply, field effect transistor Q4 turns on, and electric current flows to negative pole through R23, plays guarantor
Protection circuit effect；When, after plant-grid connection, through LM2574 voltage stabilizing chip, supply voltage being stabilized to 5V,
With each components and parts of power circuit board use, but main control unit CPU use 3.3V power, therefore need through
5V voltage is converted to 3.3V voltage by LM1117.
Optionally, CAN communication circuit specifically includes: controller TJA1042T/3, the first inductance L2,
Second inductance L3, the first electric capacity C6, the second electric capacity C8, the 3rd electric capacity C9, the 4th electric capacity C10,
5th electric capacity C13, common mode inductance ACT45B-510-2P-TL003U3, the first resistance R14；
Controller TJA1042T/3 the first pin connects TX CAN, and wherein TX CAN is that CAN leads to
In letter single-chip microcomputer send data signal, the second pin, three-prong through the 3rd electric capacity and the second inductance ground connection,
Second pin connects+5V CAN, and the second pin is connected with+5V through the second inductance ,+5V CAN the 3rd
Electric capacity one end is connected with the second pin, and the other end and three-prong are connected, the 4th pin and RX CAN phase
Even, during wherein RX CAN is CAN communication, single-chip microcomputer receives data signal, the 5th pin and+3.3V
Being connected, the 6th pin is connected with GND_CAN through the 4th electric capacity, and wherein GND_CAN is that CAN leads to
Letter earth signal, the 6th pin exports CAN-through common mode inductance, the 7th pin through the first electric capacity with
GND_CAN is connected, and the 7th pin exports CAN+, described signal CAN Shield warp through common mode inductance
First resistance, the 5th electric capacity are connected to GND_CAN.
In this control device, CAN communication uses TJA1024T/3 controller, and input accesses
ACT45B-510-2P-TL003 (common mode inductance), output two BLM31PG500SN1L magnetic of termination
Pearl and electrochemical capacitor 47uF/16V, thus effectively filter the external interference impact on controlling device.
Optionally, silicon oil clutch drive circuit specifically includes:
First resistance R15, the first electric capacity C14, the second resistance R17, the first audion Q2, the 3rd
Resistance R19, the 4th resistance R18, the first field effect transistor Q3, the first LED 0, clutch
Device coil RL1；
First resistance and the first electric capacity are in parallel, and after parallel connection, one end is connected with pwm signal, and one end is through institute
Stating the second resistance eutral grounding, the first transistor base is directly grounded through the second resistance eutral grounding, emitter stage, current collection
Pole the 3rd resistance and the first field effect transistor source electrode are connected, and the 4th resistance one end is connected with the 3rd resistance, separately
One end is connected with+12V, and the drain electrode of the first field effect transistor is through the first light emitting diode and clutch coil phase
Even, the clutch coil other end is directly grounded.
Because silicon oil clutch solenoid uses 12V to power, and main control unit uses CPU to use 3.3V
Power supply, therefore needs to design a circuit to drive 12V voltage.In this circuit by Q2 audion and
Q3PMOS pipe realizes CPU I/O pin and controls the adhesive closedown of 12V coil.
Optionally, fan speed measurement circuit, specifically include:
First resistance R6, the second resistance R8, the first audion Q1, the 3rd resistance R7, the 4th resistance
R9, the first electric capacity C5；
First resistance is connected with signal Fan-Input through the second resistance eutral grounding, one end of the first resistance, its
Middle Fan-Input is fan input signal；The base stage of the other end and the first audion is connected, the one or three pole
The emitter stage of pipe is directly grounded, colelctor electrode through described 3rd resistance connection+12V, the 4th resistance one end and the
The colelctor electrode of one audion is connected, and the other end connects FAN_F and is connected, and wherein FAN_F is that single-chip microcomputer is adopted
Collection fan rotating speed signals；
First electric capacity one end is connected with signal FAN_F, one end ground connection.
Optionally, cpu circuit specifically includes:
Cpu chip STM32F103C8T6 U5, the first electric capacity C19, the second electric capacity C20, the 3rd
Electric capacity C21, the 4th electric capacity C22, the 5th electric capacity C17, the 6th electric capacity C16, the 7th electric capacity C18,
First resistance R22, the second resistance R24, the 3rd resistance R25, Y1；
Second pin of cpu chip connects signal LED_CAN, and wherein LED_CAN signal is CAN
LED light signal in communication, the 5th pin through the 3rd resistance, the 7th capacity earth, the 6th pin
Through the 6th capacity earth, the 6th pin is connected through Y1, the 3rd resistance and the 5th pin, the 7th pin warp
5th capacity earth, the 7th pin is connected with+3.3V through the first resistance, and the 44th pin is through described
Two resistance eutral groundings, the 46th pin is Fault LED signal, and wherein Fault LED is expressed as representing
Indicating fault modulating signal；40th three-prong is SDA signal, and wherein SDA is the data of I2C bus
Signal, the 42nd pin is SCL signal, and wherein SCL is the clock signal of I2C bus；Tenth
Nine pins are FAN_F signal, and wherein FAN_F is single-chip microcomputer collection fan rotating speed signals, the 23rd
Pin, 35 pins, 47 pins are directly grounded, and the 8th pin is VSSA signal, wherein
VSSA is simulation earth signal, and 24,36,48 pins are connected with+3.3V ,+3.3V
It is directly grounded by filter capacitor the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 9th pipe
Foot is VDDA signal, and wherein VDDA is analog power supply signal, and the 38th pin is TDI signal,
Wherein TDI is tune-up data input signal, and the 37th pin is tck signal, and wherein TCK is for adjusting
Examination data clock signal, the 34th pin is tms signal, and wherein TMS is that debugging mode selects
Signal, the 30th three-prong is TX_CAN signal, monolithic during wherein TX_CAN is CAN communication
Machine sends data signal, and the 32nd pin is RX_CAN signal, and wherein RX_CAN is CAN
In communication, single-chip microcomputer receives data, and the 17th pin is ADC5 signal, and wherein ADC5 is input electricity
Pressure gathers signal, and the 16th pin is ADC12 signal, and wherein ADC12 is input current collection letter
Number, the 15th pin is ADC3 signal, and wherein ADC3 is that sensor voltage gathers signal, remaining
Pin is unsettled.
Optionally, voltage collection circuit specifically includes:
First resistance R10, the second resistance R11, the 3rd resistance R12, the 4th resistance R13, the 5th electricity
Resistance R1, the 6th resistance R2, the first electric capacity C11, the second electric capacity C12；
First resistance one end is connected with 12V/24V, and one end is connected with the second resistance, second resistance one end with
ADC5 signal vector, one end ground connection, first electric capacity one end is connected with ADC5 signal, one end and ground phase
Connecting, the 3rd resistance one end is connected with 12V/24V, and one end is connected with the 4th resistance, the 4th resistance one
End and ADC12 signal vector, one end ground connection, second electric capacity one end is connected with ADC12 signal, and one
End is connected to the ground and connects, and the 5th resistance one end is connected with+3.3V, and one end is connected with the 6th resistance, the 6th electricity
Resistance one end is connected with ADC3 signal, and one end is connected to the ground.
This utility model has taken precautions against the interference factor the most often occurred in actual application, thus at very great Cheng
Ensure that on degree silicon oil clutch control device safe and stable, run normally, be also that automobile is in difference
Traveling safe and stable in work condition environment provides technical guarantee, improves the safety coefficient of car load.
Principle of the present utility model and embodiment are set forth by specific case used herein, above
The explanation of embodiment is only intended to help to understand method of the present utility model and core concept thereof；Simultaneously for
One of ordinary skill in the art, according to thought of the present utility model, in detailed description of the invention and range of application
On all will change.In sum, this specification content should not be construed as restriction of the present utility model.
Claims (7)
1. a silicon oil clutch control circuit, it is characterised in that including:
Power circuit, cpu circuit, CAN communication circuit, silicon oil clutch drive circuit, fan speed measurement circuit and voltage collection circuit；
The outfan of described power circuit is connected with cpu circuit, CAN communication circuit, voltage collection circuit, the power input of fan speed measurement circuit, and the outfan of described CPU telecommunication circuit is connected with the signal input part of silicon oil clutch drive circuit, fan speed measurement circuit.
Silicon oil clutch control circuit the most according to claim 1, it is characterised in that
Described power circuit specifically includes:
Power supply chip LM2574-5, the first electric capacity, the second electric capacity, the first inductance, the first diode, power supply chip LM1117-3.3, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, connector AMP-776267-1, the first resistance, the first field effect transistor, the first Zener diode；
Described power supply chip LM2574-5 the first pin is through the first capacitor filtering ground connection, second pin, three-prong, the 4th pipe, the 6th pin are directly grounded, 5th pin is through the second capacitor filtering ground connection, 5th pin meets voltage 12V/24V, 7th pin is through the first reversal of diode ground connection, and the 7th pin is through the first inductance output voltage 5V；
Described power supply chip LM1117-3.3 the first pin is directly grounded, and the second pin is through the 3rd electric capacity, the 4th capacitor filtering ground connection, the second pin and the 4th pin output voltage 3.3V, and three-prong filtered electric capacity the 5th capacity earth, three-prong meets voltage 5V；
nullThe source electrode of described connector AMP-776267-1 the first pin and the first field effect transistor is connected，The drain electrode of the first field effect transistor is directly grounded，The grid of the first field effect transistor is through the first resistance connection+12V，The grid of the first field effect transistor is through the first Zener diode inverse parallel ground connection，Second pin connects 12V，Three-prong is connected with CAN_Shield，Wherein CAN_Shield signal is CAN communication shielding ground，4th pin is connected with CAN-，Low data signal during wherein CAN-is CAN communication network，5th pin is connected with CAN+，High position data signal during wherein CAN+ is CAN communication network，6th pin、7th pin、8th pin、9th pin and the 11st pin are unsettled，Tenth pin is connected with COIL+，Wherein COIL+ is silicon oil clutch solenoid-driven signal，12nd pin is connected with Fan-Input，Wherein Fan-Input is that rotation speed of the fan gathers signal，Tenth three-prong is directly grounded，14th pin connection+5V.
Silicon oil clutch control circuit the most according to claim 1, it is characterised in that
Described CAN communication circuit specifically includes:
Controller TJA1042T/3, the first inductance, the second inductance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, common mode inductance ACT45B-510-2P-TL003, the first resistance；
nullDescribed controller TJA1042T/3 the first pin connects TX_CAN，During wherein TX_CAN is CAN communication, single-chip microcomputer sends data signal，Second pin、Three-prong is through the 3rd electric capacity and the second inductance ground connection，Second pin connection+5V_CAN，Wherein+5V_CAN is CAN network 5V power supply，Second pin is connected with+5V through the second inductance，+ 5V_CAN the 3rd electric capacity one end is connected with the second pin，The other end and three-prong are connected，4th pin is connected with RX_CAN，During wherein RX_CAN is CAN communication, single-chip microcomputer receives data signal，5th pin is connected with+3.3V，6th pin is connected with GND_CAN through the 4th electric capacity，Wherein GND_CAN is CAN communication earth signal，6th pin exports CAN-through described common mode inductance，7th pin is connected with GND_CAN through the first electric capacity，7th pin exports CAN+ through described common mode inductance，Described signal CAN_Shield is through the first resistance、5th electric capacity is connected to GND_CAN.
Silicon oil clutch control circuit the most according to claim 1, it is characterised in that
Described silicon oil clutch drive circuit specifically includes:
First resistance, the first electric capacity, the second resistance, the first audion, the 3rd resistance, the 4th resistance, the first field effect transistor, the first light emitting diode, clutch coil；
Described first resistance is in parallel with described first electric capacity, after parallel connection, one end is connected with pwm signal, one end is through described second resistance eutral grounding, described first transistor base is through described second resistance eutral grounding, emitter stage is directly grounded, colelctor electrode is connected through the 3rd resistance and the first field effect transistor source electrode, described 4th resistance one end is connected with described 3rd resistance, the other end is connected with+12V, the drain electrode of described first field effect transistor is connected with described clutch coil through described first light emitting diode, and the described clutch coil other end is directly grounded.
Silicon oil clutch control circuit the most according to claim 1, it is characterised in that
Described fan speed measurement circuit, specifically includes:
First resistance, the second resistance, the first audion, the 3rd resistance, the 4th resistance, the first electric capacity；
Described first resistance is through the second resistance eutral grounding, one end of described first resistance is connected with signal Fan-Input, wherein Fan-Input is fan input signal, the other end is connected with the base stage of described first audion, the emitter stage of described first audion is directly grounded, colelctor electrode is through described 3rd resistance connection+12V, described 4th resistance one end is connected with the colelctor electrode of described first audion, the other end connects FAN_F and is connected, wherein FAN_F is that single-chip microcomputer gathers fan rotating speed signals, described first electric capacity one end is connected with signal FAN_F, one end ground connection.
Silicon oil clutch control circuit the most according to claim 1, it is characterised in that
Described cpu circuit specifically includes:
Cpu chip STM32F103C8T6, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the 7th electric capacity, the first resistance, the second resistance, the 3rd resistance, 8MHz crystal oscillator Y1；
nullSecond pin of described cpu chip connects signal LED_CAN，LED light signal during wherein LED_CAN signal is CAN communication，5th pin is through described 3rd resistance、7th capacity earth，6th pin is through the 6th capacity earth，6th pin is through described Y1、Described 3rd resistance and the 5th pin are connected，7th pin is through the 5th capacity earth，7th pin is connected with+3.3V through the first resistance，44th pin is through described second resistance eutral grounding，46th pin is Fault_LED signal，Wherein Fault_LED is expressed as representing indicating fault modulating signal，40th three-prong is SDA signal，Wherein SDA is the data signal of I2C bus，42nd pin is SCL signal，Wherein SCL is the clock signal of I2C bus，19th pin is FAN_F signal，Wherein FAN_F is that single-chip microcomputer gathers fan rotating speed signals，20th three-prong、35 pins、47 pins are directly grounded，8th pin is VSSA signal，Wherein VSSA is simulation earth signal，24th、36、48 pins are connected with+3.3V，+ 3.3V passes through filter capacitor the first electric capacity、Second electric capacity、3rd electric capacity、4th electric capacity is directly grounded，9th pin is VDDA signal，Wherein VDDA is analog power supply signal，38th pin is TDI signal，Wherein TDI is tune-up data input signal，37th pin is tck signal，Wherein TCK is tune-up data clock signal，34th pin is tms signal，Wherein TMS is that debugging mode selects signal，30th three-prong is TX_CAN signal，During wherein TX_CAN is CAN communication, single-chip microcomputer sends data signal，32nd pin is RX_CAN signal，During wherein RX_CAN is CAN communication, single-chip microcomputer receives data，17th pin is ADC5 signal，Wherein ADC5 is that input voltage gathers signal，16th pin is ADC12 signal，Wherein ADC12 is that input current gathers signal，15th pin is ADC3 signal，Wherein ADC3 is that sensor voltage gathers signal，Remaining pin is unsettled.
Silicon oil clutch control circuit the most according to claim 1, it is characterised in that
Described voltage collection circuit specifically includes:
First resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the first electric capacity, the second electric capacity；
Described first resistance one end is connected with 12V/24V, one end is connected with described second resistance, described second resistance one end and ADC5 signal vector, one end ground connection, described first electric capacity one end is connected with ADC5 signal, one end is connected to the ground and connects, described 3rd resistance one end is connected with 12V/24V, one end is connected with described 4th resistance, described 4th resistance one end and ADC12 signal vector, one end ground connection, described second electric capacity one end is connected with ADC12 signal, one end is connected to the ground and connects, described 5th resistance one end is connected with+3.3V, one end is connected with the 6th resistance, described 6th resistance one end is connected with ADC3 signal, one end is connected to the ground.
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|---|---|---|---|
| CN201620181485.3U CN205605691U (en) | 2016-03-10 | 2016-03-10 | Silicon oil clutch control circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620181485.3U CN205605691U (en) | 2016-03-10 | 2016-03-10 | Silicon oil clutch control circuit |
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| CN205605691U true CN205605691U (en) | 2016-09-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110704354A (en) * | 2019-09-16 | 2020-01-17 | 无锡江南计算技术研究所 | Common-mode noise suppression method for I2C communication bus and bus network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110704354A (en) * | 2019-09-16 | 2020-01-17 | 无锡江南计算技术研究所 | Common-mode noise suppression method for I2C communication bus and bus network |
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