CN106274749B - A kind of air conditioner for automobile external control electromagnetic valve current control system - Google Patents
A kind of air conditioner for automobile external control electromagnetic valve current control system Download PDFInfo
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- CN106274749B CN106274749B CN201610693885.7A CN201610693885A CN106274749B CN 106274749 B CN106274749 B CN 106274749B CN 201610693885 A CN201610693885 A CN 201610693885A CN 106274749 B CN106274749 B CN 106274749B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
- Control Of Electrical Variables (AREA)
Abstract
The invention discloses a kind of air conditioner for automobile external control electromagnetic valve current control systems.It includes CAN receptions and sending module, microprocessor module, output driving and the processing of feedback current sampling module and feedback current and sampling module, CAN is received and the first input end and the first output terminal of the first data transmission end microprocessor module of sending module, second data transmission terminal connects external control circuit, the second input terminal connection feedback current processing of the microprocessor module and the output terminal of sampling module, third input terminal connects the first output terminal of output driving and feedback current sampling module, second output terminal connects the input terminal of output driving and feedback current sampling module, the output driving and the connection feedback current processing of the second output terminal of feedback current sampling module and the input terminal of sampling module, third output terminal connects external control solenoid valve.The accurate control of the achievable external control electromagnetic valve current of the present invention, control process is simple, effective, and reliability is high.
Description
Technical field
The invention belongs to technical field of automobile control, and in particular to a kind of air conditioner for automobile external control electromagnetic valve current control system
System.
Background technology
At present, people are higher and higher to the safety of automobile and the intelligence degree requirement of automobile, in design of air conditioning
In, the compressor of air conditioner that present most of automobiles use is internal control variable compressor, and compressor of air conditioner is by starting
The direct-connected driving of machine, for fixed displacement compressor truck air-conditioning system, with evaporator leaving air temp come control compressor electromagnetism from
Clutch is attracted or is detached from, and is adapted with intermittent duty come control system refrigerating capacity and interior air conditioner load.This control mode
Other than the shortcomings of irreversible loss big, the frequent start-stop of system in the presence of interior air-conditioner temperature fluctuation enables the system to consumption increase, most
A big problem is that the periodical clutch of compressor can cause automobile engine interference.To solve the problems, such as that this is developed
Outer capacity control valve, to realize the accurate intelligent adjustment of external control variable compressor and control, but existing to external control
The control of solenoid valve is using Mechanical course, and curent change is jump variation, is not continuous, i.e., can not realize to external control
The accurate control of electromagnetic valve current.
Invention content
The purpose of the present invention is exactly insufficient existing for above-mentioned background technology in order to solve, and provides a kind of air conditioner for automobile external control
Electromagnetic valve current control system.
The technical solution adopted by the present invention is：A kind of air conditioner for automobile external control electromagnetic valve current control system, including
CAN is received and sending module, for reception foreign current control instruction and be sent to microprocessor, receive micro- place
Reason device receives the driving element temperature signal fed back and alarm signal and is sent to Full Vehicle System；
Output driving and feedback current sampling module, for receiving the PWM control instructions and right of microprocessor module transmission
Output is to external control solenoid valve after its drive amplification, for acquiring the actual current of external control solenoid valve and being sent to feedback current processing
With sampling module, for itself corresponding voltage signal of driving element temperature to be sent to microprocessor module；
Feedback current processing and sampling module, for receiving the practical electricity of output driving and the transmission of feedback current sampling module
It flows and is sent to microprocessor module after processing is amplified to it；
Microprocessor module uses for the actual current of the foreign current control instruction according to reception and external control solenoid valve
PI control algolithms calculate output pwm waveform to output driving and feedback current sampling module, for by the temperature of driving element
Degree signal and alarm signal are sent to CAN receptions and sending module；
The CAN is received and the first input end of the first data transmission end of sending module connection microprocessor module and the
One output terminal, the second data transmission terminal connection external control circuit, the second input terminal connection feedback of the microprocessor module
First output of the output terminal of current processing and sampling module, third input terminal connection output driving and feedback current sampling module
The input terminal at end, second output terminal connection output driving and feedback current sampling module, the output driving and feedback current are adopted
The second output terminal connection feedback current of egf block is handled connect external control electromagnetism with input terminal, the third output terminal of sampling module
Valve.
Further, the power conversion module include be sequentially connected electrically input circuit, protection circuit, booster circuit,
Accumulator, feedback circuit, reduction voltage circuit and output interface.
Further, the CAN is received and sending module includes first data transmission interface, CAN interface module, voltage and puts down
Weigh module, common mode inhibition module, terminal resistance network module, ESD modules, voltage suppression module and the second data transmission interface,
Input terminal connection first data transmission interface, two output terminals of the CAN interface module connect respectively balance of voltage module and
The input terminal of common mode inhibition module, the first input end of first data transmission interface connection microprocessor module and the first output
End, one end of the output terminal connection terminal resistance network module of the common mode inhibition module, ESD modules and voltage suppression module with
And second data transmission interface, one end of the output terminal connection terminal resistance network module of the balance of voltage module, the end
The other end of end resistor network module, ESD modules and voltage suppression module is all connected with the second data transmission interface, and the second data pass
Defeated interface connects external control circuit.
Further, the output driving and feedback current sampling module include the input interface being sequentially connected electrically, filtering
Circuit, pressure limiting circuit and drive amplification circuit and current sampling circuit and temperature sampling circuit, the drive amplification circuit
The input terminal of first output terminal connection current sampling circuit, the input terminal of second output terminal connection temperature sampling circuit, the electricity
The first output terminal connection feedback current processing of stream sample circuit connect external control electricity with the input terminal of sampling module, second output terminal
Magnet valve, the third input terminal of the output terminal connection microprocessor module of the temperature sampling circuit.
Further, the feedback current processing includes the input interface, the common mode filtering that are sequentially connected electrically with sampling module
Circuit, differential mode filter circuit, signal amplification circuit, signal filter circuit and output interface, input interface connection output driving and
The second output terminal of feedback current sampling module, output interface connect the second input terminal of microprocessor module.
Further, it is CAN receptions and sending module, microprocessor module, output driving and feedback to further include
Current sampling module and feedback current processing provide the power conversion module of power supply with sampling module, the power conversion module
Output terminal connects CAN receptions and sending module, microprocessor module, output driving and feedback current sampling module and feedback respectively
The power end of current processing and sampling module.
The present invention is received by CAN and sending module reception external control information, and the PI control modules in microprocessor are adopted
Collect CAN data, external control solenoid valve actual current information, the accurate control to external control electromagnetic valve current is realized using PI control algolithms
System, meets current control demand of the air-conditioning system to external control solenoid valve, has the excellent of safe, reliability and good economy performance
Point.The system has the ability of diagnosis dependent failure or abnormal conditions simultaneously, can carry out classification processing to different failures,
Safeguard measure with high safety, and dependent failure is issued Full Vehicle System processing and display by CAN receptions and sending module.
Description of the drawings
The control system block diagram that Fig. 1 is.
Fig. 2 is the schematic diagram of power conversion module of the present invention.
Fig. 3 is the schematic diagram of CAN of the present invention receptions and sending module.
Fig. 4 is the schematic diagram of output driving of the present invention and feedback current sampling module.
Fig. 5 is feedback current of the present invention processing and the schematic diagram of sampling module.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments, convenient for this hair is well understood
It is bright, but they do not form the present invention and limit.
As shown in Figure 1, external control electromagnetic valve current control device of the present invention includes
Power conversion module, for for CAN receive and sending module, microprocessor module, output driving and feedback current
Sampling module and feedback current processing provide power supply with sampling module；
CAN is received and sending module, for reception foreign current control instruction and be sent to microprocessor, receive micro- place
Reason device receives the driving element temperature signal fed back and alarm signal and is sent to Full Vehicle System；
Output driving and feedback current sampling module, for receiving the PWM control instructions and right of microprocessor module transmission
Output is to external control solenoid valve after its drive amplification, for acquiring the actual current of external control solenoid valve and being sent to feedback current processing
With sampling module, for itself corresponding voltage signal of driving element temperature to be sent to microprocessor module；
Feedback current processing and sampling module, for receiving the practical electricity of output driving and the transmission of feedback current sampling module
It flows and is sent to microprocessor module after processing is amplified to it；
Microprocessor module uses for the actual current of the foreign current control instruction according to reception and external control solenoid valve
PI control algolithms calculate output pwm waveform to output driving and feedback current sampling module, for by the temperature of driving element
Degree signal and alarm signal are sent to CAN receptions and sending module；
The output terminal of the power conversion module connects CAN receptions and sending module, microprocessor module, output drive respectively
Dynamic and feedback current sampling module and feedback current processing and the power end of sampling module, the CAN receptions and sending module
The first input end and the first output terminal of first data transmission end connection microprocessor module, the connection of the second data transmission terminal are external
Control circuit, the second input terminal connection feedback current processing of the microprocessor module and output terminal, the third of sampling module
Input terminal connects the first output terminal of output driving and feedback current sampling module, second output terminal connection output driving and feedback
At the second output terminal connection feedback current of the input terminal of current sampling module, the output driving and feedback current sampling module
Reason connect external control solenoid valve with input terminal, the third output terminal of sampling module.
As shown in Fig. 2, power conversion module 1 includes the input circuit 11 being sequentially connected electrically, protection circuit 12, booster circuit
13rd, accumulator 14, feedback circuit 15, reduction voltage circuit 16 and output interface 17.
Input circuit 11 includes two input interface ING1 and ING2 and diode D1 and diode D2, two inputs
One end of interface ING1 and ING2 are all connected with vehicle body power supply, and the other end is connected respectively to diode D1 and diode D2, diode
Input of the output-parallel of D1 and diode D2 as protection circuit 12.
Protection 12 input terminal of circuit is directly connected to E- voltage-stabiliser tube D3, and voltage-stabiliser tube D3 is TVS power tubes, and voltage-stabiliser tube D3 is in parallel
Alminium electrolytic condenser C1 and ceramic condenser C2, protection circuit 12 export the input as booster circuit 13.
Booster circuit 13 is made of inductance L, metal-oxide-semiconductor Q, resistance R3, fast anti-diode D4, chip U1, control unit ECU,
Chip U1 is PWM IC chips, and the protection output of circuit 12 is connected as the input of booster circuit 13 with one end of inductance L, inductance L
The fast anode of anti-diode D4 of other end connection and the D ends of metal-oxide-semiconductor Q, the S ends of metal-oxide-semiconductor Q E- and core are connected to by resistance R3
The current sampling port I of piece U1；The G ends of metal-oxide-semiconductor Q are connected to the PWM ends of chip U1；The UFB ends of chip U1 chips and feedback circuit
15 are connected, and the EN ends of chip U1 are connected with control unit ECU；Fast input of the anti-diode D4 cathodes as accumulator 14.
Accumulator 14 is made of alminium electrolytic condenser C3 and ceramic condenser C4, the cathode of fast anti-diode D4 and aluminium electroloysis electricity
Appearance C3, ceramic condenser C4 are connected, and alminium electrolytic condenser C3 and ceramic condenser C4 are in parallel, and the other end is connected to E-；
Feedback circuit 15 is made of resistance R1 and resistance R2, resistance R1 and resistance R2 series connection, the fast anti-diode of one end connection
The cathode of D4, the junction that the other end is connected to E-, resistance R1 and resistance R2 are connected to the UFB ends of PWM IC chips U1.
Reduction voltage circuit 16 is made of LDO control chips U2, alminium electrolytic condenser C5 and ceramic condenser C6；Fast anti-diode D4's
Input port of the cathode as reduction voltage circuit 16 is connected with the PIN1 of LDO control chips U2, the PIN2 feet of LDO control chips U2
E- is connected to, the PIN3 of LDO control chips U2 is connected with alminium electrolytic condenser C5 and ceramic condenser C6, alminium electrolytic condenser C5 and ceramics
Capacitance C6 is in parallel, and the other end is connected to E-, and the PIN3 of LDO control chips U2 is connected to output interface 17, and output interface 17 is distinguished
With CAN receptions and sending module, microprocessor module, output driving and feedback current sampling module and feedback current processing with adopting
The power end connection of egf block.
As shown in figure 3, CAN is received and sending module 2 includes first data transmission interface 21, CAN interface module 22, voltage
Balance module 23, common mode inhibition module 24, terminal resistance network module 25, ESD modules 26, voltage suppression module 27 and second count
According to coffret 28, input terminal connection first data transmission 21, two output terminals of interface of the CAN interface module 22 connect respectively
The input terminal of balance of voltage module 23 and common mode inhibition module 24 is connect, first data transmission interface 21 connects microprocessor module 3
First input end and the first output terminal, output terminal connection terminal resistance network module 25, the ESD of the common mode inhibition module 24
One end and the second data transmission interface 28 of module 26 and voltage suppression module 27, the output terminal of the balance of voltage module 23
Connect one end of terminal resistance network module 25, the terminal resistance network module 25, ESD modules 26 and voltage suppression module 27
The other end be all connected with the second data transmission interface 28, the second data transmission interface 28 connection external control circuit (is not shown in figure
Show).CAN receive and sending module 2 in each module can bi-directional transfer of data, i.e., the input terminal of module can also be output
End, can also be to microprocessor module if first data transmission interface 21 can both receive the information of microprocessor module transmission
Send information.
21 one end of first data transmission interface is connected to RXD the and TXD interfaces of microprocessor module 3, the other end as CAN
The input or output of interface module 22.
CAN interface module 22 is made of chip U90, and chip U90 voltage ends are connected to VCC (the i.e. 5V of power conversion module
Output terminal)；Balance of voltage module 23 is made of resistance R90 and capacitance C90, and common mode inhibition module 24 is made of L90, terminal resistance
Network module 25 is made of resistance R91 and resistance R92；ESD modules 26 are made of capacitance C91 and capacitance C92；Voltage suppression module
27 are made of D90；Resistance R90 one end connection chip U90, other end connection resistance R91, resistance R92 and capacitance C90 one end, electricity
The other end of resistance R91 and resistance R92 connects two output terminals of L90 respectively, and two output terminals of L90 are also respectively connected with the second number
According to two interfaces of coffret, the capacitance C90 other ends are grounded, and one end of capacitance C91 and capacitance C92 connect the second data respectively
Two interfaces of coffret 28, the other end are grounded, and two interfaces of the second data transmission interface 28 are distinguished at the both ends of D90.
As shown in figure 4, output driving and feedback current sampling module 4 include the input interface 41 being sequentially connected electrically, filtering
Circuit 42, pressure limiting circuit 43 and drive amplification circuit 44 and current sampling circuit 45 and temperature sampling circuit 46, input interface
41 are connected to the PWM interfaces (i.e. second output terminal) of microprocessor device, the first output terminal connection of the drive amplification circuit 44
The input terminal of current sampling circuit 45, the input terminal of second output terminal connection temperature sampling circuit 46, the current sampling circuit
45 the first output terminal 47 connection feedback current processing connect external control electromagnetism with the input terminal of sampling module 5, second output terminal 48
Valve 6, second output terminal 48 also connect feedback current processing and the input terminal of sampling module 5, the temperature sampling circuit 46 simultaneously
Output terminal 49 connect microprocessor module 3 A D interface (i.e. third input terminal).
Specifically, filtering moding circuit 42 is made of resistance R70 and capacitance C70, and pressure limiting circuit 43 is made of R71 and C71；It drives
Dynamic amplifying circuit 44 is made of driving element U73, and current sampling circuit 45 is made of resistance R72, and temperature sampling circuit 46 is by electricity
Hinder R73 and capacitance C72 compositions.
As shown in figure 5, feedback current processing includes the input interface 51, the common mode filtering that are sequentially connected electrically with sampling module 5
Circuit 52, differential mode filter circuit 53, signal amplification circuit 54, signal filter circuit 55 and output interface 56, input interface 51 wrap
Include two interfaces, connecting the second output terminal of output driving and feedback current sampling module 4, (current sample is electric i.e. in connection figure 4
First output terminal 47 and second output terminal on road 45), output interface 56 connects the second input terminal of microprocessor module.Common mode is filtered
Wave circuit 52 is made of resistance R80, resistance R81 and capacitance C81, and differential mode filter circuit 53 is made of capacitance C80 and capacitance C82,
Signal amplification circuit 54 is made of chip U80, and signal filter circuit 55 is made of resistance R82 and capacitance C83.
Microprocessor module 3 of the present invention is received by CAN and sending module is externally controlled circuit acquisition current control and refers to
It enables (current setting value), handled and sampling module and output driving and feedback current sampling module acquisition external control by feedback current
The actual current of solenoid valve, the PI control modules inside microprocessor module 3 are used according to current control instruction and actual current
PI control algolithms, which calculate, exports appropriate pwm waveform, and pwm waveform passes through output driving and feedback current sampling module
Amplification after drive external control solenoid valve, realize the accurate control to external control electromagnetic valve current, meet air-conditioning system to external control electromagnetism
The current control demand of valve.By a large amount of test data, the reachable ± 15mA of constant-current control accuracy of the present invention meets external control valve control
System requirement.
This hair has the ability of diagnosis dependent failure or abnormal conditions, output driving and feedback current sampling module simultaneously
46 Real-time Feedback of temperature sampling circuit voltage signal corresponding with driving element temperature in 4 is to microprocessor module, microprocessor
Device module judges the temperature of driving element according to the unlike signal received, realizes and different failures is carried out at classification
Reason, and dependent failure is issued Full Vehicle System processing and display by CAN receptions and sending module.
In output driving and feedback current sampling module 4 under driving element U73 normal operations, which is less than
60 DEG C, when driving element U73 temperature be more than or equal to 60 DEG C to 85 DEG C, system can work normally, microprocessor module 3 receive with
The corresponding voltage signal of the temperature is received after being judged by CAN and sending module 2 provides driving element U73 to Full Vehicle System
Temperature anomaly is alarmed；When driving element U73 temperature is more than 85 DEG C to 125 DEG C, temperature sampling circuit 46 exports constant voltage values, micro-
Processor module 3 receives the temperature signal (85 DEG C to 125 DEG C) that will determine that after the voltage value and passes through CAN receptions and sending module
2 notice Full Vehicle System device failures, into security operating mode；When driving element temperature be more than 125 DEG C, output driving
And feedback current sampling module 4 stops sending electric current, while microprocessor module 3 passes through with sampling module to feedback current processing
CAN is received and sending module 2 notifies the Full Vehicle System device catastrophe failure occur, is needed repairing.Output driving and feedback current
What sampling module 4 exported is voltage signal corresponding with driving element temperature, and the actual temp of driving element is by microprocessor mould
Block judges.
The present apparatus is a kind of configurable device, and can be independently operated, can also be integrated with other system.In the present apparatus
In integrated process, will not other systems be carried out with the subversive time and exploitation is verified, shorten the development cycle.By a large amount of
Verification experimental verification, bench test and real steering vectors, the property indices of the device are superior.
The content not being described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (5)
1. a kind of air conditioner for automobile external control electromagnetic valve current control system, it is characterised in that：Including
CAN receive and sending module, for reception foreign current control instruction and be sent to microprocessor, receive microprocessor
It receives the driving element temperature signal fed back and alarm signal and is sent to Full Vehicle System；
Output driving and feedback current sampling module, for receiving the PWM control instructions of microprocessor module transmission and being driven to it
Output is to external control solenoid valve after dynamic amplification, for acquiring the actual current of external control solenoid valve and being sent to feedback current processing with adopting
Egf block, for itself corresponding voltage signal of driving element temperature to be sent to microprocessor module；
Feedback current processing and sampling module, for receiving the actual current of output driving and the transmission of feedback current sampling module simultaneously
Microprocessor module is sent to after processing is amplified to it；
Microprocessor module is controlled for the foreign current control instruction according to reception and the actual current of external control solenoid valve using PI
Algorithm processed calculates output pwm waveform to output driving and feedback current sampling module, for the temperature of driving element to be believed
Number and alarm signal be sent to CAN receive and sending module；
The CAN is received and the first input end of the first data transmission end of sending module connection microprocessor module and first defeated
Outlet, the second data transmission terminal connection external control circuit, the second input terminal connection feedback current of the microprocessor module
Processing connect with output terminal, the third input terminal of sampling module output driving and feedback current sampling module the first output terminal,
Second output terminal connects the input terminal of output driving and feedback current sampling module, the output driving and feedback current sampling mould
The second output terminal connection feedback current of block is handled connect external control solenoid valve with input terminal, the third output terminal of sampling module；
It further includes for for CAN receptions and sending module, microprocessor module, output driving and feedback current sampling module and instead
The power conversion module that stream process provides power supply with sampling module is fed, the output terminal of the power conversion module connects respectively
CAN receptions and sending module, microprocessor module, output driving and feedback current sampling module and feedback current processing and sampling
The power end of module.
2. a kind of air conditioner for automobile external control electromagnetic valve current control system according to claim 1, it is characterised in that：It is described
Power conversion module includes the input circuit being sequentially connected electrically, protection circuit, booster circuit, accumulator, feedback circuit, decompression
Circuit and output interface.
3. a kind of air conditioner for automobile external control electromagnetic valve current control system according to claim 1, it is characterised in that：It is described
CAN receive and sending module include first data transmission interface, CAN interface module, balance of voltage module, common mode inhibition module,
Terminal resistance network module, ESD modules, voltage suppression module and the second data transmission interface, the input of the CAN interface module
End connection first data transmission interface, two output terminals connect the input terminal of balance of voltage module and common mode inhibition module respectively,
First data transmission interface connect microprocessor module first input end and the first output terminal, the common mode inhibition module it is defeated
One end and the second data transmission interface of outlet connection terminal resistance network module, ESD modules and voltage suppression module, it is described
Balance of voltage module output terminal connection terminal resistance network module one end, the terminal resistance network module, ESD modules and
The other end of voltage suppression module is all connected with the second data transmission interface, the second data transmission interface connection external control circuit.
4. a kind of air conditioner for automobile external control electromagnetic valve current control system according to claim 1, it is characterised in that：It is described
Input interface, filter circuit, pressure limiting circuit and the driving that output driving and feedback current sampling module include being sequentially connected electrically are put
Big circuit and current sampling circuit and temperature sampling circuit, the first output terminal connection electric current of the drive amplification circuit are adopted
The input terminal of sample circuit, the input terminal of second output terminal connection temperature sampling circuit, the first output of the current sampling circuit
End connection feedback current handles and external control solenoid valve is connect with the input terminal of sampling module, second output terminal, the temperature sampling electricity
The third input terminal of the output terminal connection microprocessor module on road.
5. a kind of air conditioner for automobile external control electromagnetic valve current control system according to claim 1, it is characterised in that：It is described
Feedback current processing includes the input interface, common mode filtering circuit, differential mode filter circuit, the signal that are sequentially connected electrically with sampling module
The second of amplifying circuit, signal filter circuit and output interface, input interface connection output driving and feedback current sampling module
Output terminal, output interface connect the second input terminal of microprocessor module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610693885.7A CN106274749B (en) | 2016-08-19 | 2016-08-19 | A kind of air conditioner for automobile external control electromagnetic valve current control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610693885.7A CN106274749B (en) | 2016-08-19 | 2016-08-19 | A kind of air conditioner for automobile external control electromagnetic valve current control system |
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| CN106274749A CN106274749A (en) | 2017-01-04 |
| CN106274749B true CN106274749B (en) | 2018-06-15 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110375107B (en) * | 2019-07-15 | 2020-11-24 | 东风汽车集团有限公司 | Automobile electromagnetic valve control circuit and control method thereof |
| CN112394672B (en) * | 2020-11-30 | 2022-01-28 | 中船动力研究院有限公司 | Single-set interface multifunctional electromagnetic valve driving circuit |
| CN114294465B (en) * | 2021-12-31 | 2024-04-30 | 富奥汽车零部件股份有限公司 | Pressure regulating control device and pressure regulating control method for electromagnetic valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002231530A (en) * | 2001-02-07 | 2002-08-16 | Honda Motor Co Ltd | Electromagnetic actuator controller |
| CN102381266A (en) * | 2011-08-15 | 2012-03-21 | 东南（福建）汽车工业有限公司 | Whole automobile control system for electric automobile |
| CN203588068U (en) * | 2013-11-18 | 2014-05-07 | 惠州华阳通用电子有限公司 | Low-side drive output feedback detection device for air controller |
| CN204099695U (en) * | 2014-09-30 | 2015-01-14 | 南京世泽科技有限公司 | A kind of driving circuit for electromagnetic valve |
| CN204573273U (en) * | 2015-03-23 | 2015-08-19 | 上海依相动力系统有限公司 | Intelligent electromagnetic valve drive |
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