CN202008588U - Proportional valve control circuit - Google Patents
Proportional valve control circuit Download PDFInfo
- Publication number
- CN202008588U CN202008588U CN2010206917717U CN201020691771U CN202008588U CN 202008588 U CN202008588 U CN 202008588U CN 2010206917717 U CN2010206917717 U CN 2010206917717U CN 201020691771 U CN201020691771 U CN 201020691771U CN 202008588 U CN202008588 U CN 202008588U
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- control module
- driving circuit
- described control
- proportioning valve
- circuit
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Abstract
The utility model provides a proportional valve control circuit which comprises a control unit, a drive circuit, a proportional valve and a power module. The input end of the control unit is connected with the output end of an ECU (Electronic Control Unit) of a speed changer in a vehicle; the control unit outputs a proportional valve driving signal to the drive circuit; the proportional valve completes the operations of opening/closing a valve under the driving of the drive circuit; and the control unit comprises a collecting end used for connecting the output end of the drive circuit, receives a driving current signal output by the drive circuit through the collecting end and feeds back and regulates the proportional valve driving signal, so that the proportional valve driving signal adapts to a proportional valve opening control signal output by the ECU of the speed changer. With the adoption of the proportional valve control circuit provided by the utility model, the ECU of the speed changer only needs to carry out initial configuration on the control unit, and then the control unit completes the controlling, regulating and driving for the proportional valve, therefore, compared with the proportional valve control circuit in the prior art, the load of the ECU of the speed changer is lightened, and the proportional valve control circuit is also reliable and simple to use.
Description
Technical field
The utility model relates to the control circuit field, relates in particular to Proportion valve controlling circuit.
Background technology
In recent years, the automatic transmission technology develops very fast abroad and has obtained widespread use.Automatic gearbox has the incomparable operation convenience of manual transmission, comfortableness, fuel economy and stability becomes motor trend.The automatic transmission technology is started late at home, and on top of this technology is also few.On the control method of electro-hydraulic proportional valve, many at automation field, still needleless is to control circuit and the control method introduction of automatic transmission with electro-hydraulic proportional valve.Control method at automation field can not be transplanted in the automatic speed transmission electrohydraulic proportional valve control again, mainly be because of control method more complicated at automation field, the components and parts that relate to are more, the cost height, and reliability can not satisfy the automobile request for utilization.In automatic transmission, gear shift is finished automatically by variator ECU control.
In automatic transmission more known today, electro-hydraulic proportional valve is as the gearshift actuator, and mainly by variator ECU control, the aperture of electro-hydraulic proportional valve produces different pressure promotion selector fork or clutch coupling and finishes gearshift thus.But, in actual applications, because variator ECU wants acquired signal, control motor, control electro-hydraulic proportional valve, also will carry out communication with the ECU of engine etc., when driving, also need according to the driving operating mode, driver intention etc. are selected suitable gearshift opportunity, and different algorithms is arranged in various road conditions, because the above-mentioned course of work is all handled by variator ECU, can increase the burden of variator ECU undoubtedly greatly.Realize that if desired variator ECU controls the multichannel electro-hydraulic proportional valve, then more can increase the control difficulty, cause gear shift control algorithm complexity.
The utility model content
For solving in the prior art owing to electro-hydraulic proportional valve causes variator ECU burden excessive by the direct control of variator ECU, the programmed algorithm complicated problems, it is a kind of simple and reliable that the utility model provides, and can control the Proportion valve controlling circuit of multichannel electro-hydraulic proportional valve output simultaneously.
For addressing the above problem, Proportion valve controlling circuit of the present utility model comprises control module, driving circuit, proportioning valve, power module, the input end of described control module connects the output terminal of variator ECU in the vehicle, described control module receives the proportioning valve aperture control signal of variator ECU output, and the export ratio valve drive signal is to described driving circuit, described driving circuit is arranged between described proportioning valve and the described control module, the input end of described driving circuit is connected the output terminal of described control module and the input end of described proportioning valve respectively with output terminal, described proportioning valve is finished switching manipulation under the driving of the driving current signal of described driving circuit output, described control module comprises the collection terminal that is used to connect described driving circuit output terminal, described control module receives the driving current signal feedback regulation proportioning valve drive signal of driving circuit output by described collection terminal, the proportioning valve aperture control signal of described proportioning valve drive signal and variator ECU output is adapted, and described power module is connected with the power input of described control module and described proportioning valve respectively.
Described Proportion valve controlling circuit also comprises the reseting module that is used for the described control module of initialization, and described reseting module connects described control module and sends reset signal to described control module, and described power module is connected with the power input of described reseting module.
Described proportioning valve drive signal adopts pwm signal.
Described control module comprise at least one output terminal with the identical collection terminal of described output terminal number, each output terminal of described control module and each collection terminal cooperate one by one, described Proportion valve controlling circuit comprises driving circuit and the proportioning valve identical with the output terminal number of described control module, and described control module is connected to described each driving circuit and controls each proportioning valve that is connected with described each driving circuit respectively by each output terminal and each collection terminal.
Described proportioning valve driving circuit also comprises the active crystal oscillator of each output terminal that is used for synchronous described control module, and described active crystal oscillator one end connects described control module, and the other end is connected with power module.
Described proportional control valve circuit also comprises active crystal oscillator, and described active crystal oscillator connects described control module and provides clock signal for described control module.
Adopt the SPI communication between the variator ECU of described control module and outside.
Described driving circuit comprises sampling resistor R1, and sampling resistor R1 is arranged at the output terminal of described driving circuit and connects described proportioning valve, and described control module obtains driving circuit output end current signal by the voltage of gathering described sampling resistor two ends.
After having adopted the Proportion valve controlling circuit that the utility model provides, variator ECU only needs control module is carried out initial initial configuration, finish the regulating and controlling and the driving of Comparative Examples valve afterwards by control module, therefore compare with Proportion valve controlling circuit of the prior art, reduced the burden of variator ECU.On the other hand, in the prior art for the control of multi-channel proportional valve because variator ECU need carry out a large amount of calculating, and the algorithm complexity, therefore can cause to variator ECU require too highly, realize that difficulty increases.The Proportion valve controlling circuit that the utility model provides is specifically designed to the control and the driving of proportioning valve owing to increased control module, so uses reliably, and extensibility is good.
Description of drawings
Fig. 1 is the module map of a kind of embodiment of Proportion valve controlling circuit of providing of the utility model;
Fig. 2 is the circuit diagram of the driving circuit of a kind of embodiment of Proportion valve controlling circuit of providing of the utility model;
Fig. 3 is the circuit diagram of the reseting module of a kind of embodiment of Proportion valve controlling circuit of providing of the utility model;
Fig. 4 is the module map of the another kind of embodiment of the Proportion valve controlling circuit that provides of the utility model.
Embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, a kind of embodiment according to Proportion valve controlling circuit of the present utility model, comprise control module 1, driving circuit 2, proportioning valve 3, power module 4, the input end of control module 1 connects the output terminal of variator ECU 6 in the vehicle, control module 1 receives the proportioning valve aperture control signal of variator ECU 6 outputs, and the export ratio valve drive signal is to above-mentioned driving circuit 2.Driving circuit 2 is arranged between proportioning valve 3 and the control module 1, the input end of above-mentioned driving circuit 2 is connected the output terminal of control module 1 and the input end of proportioning valve 3 respectively with output terminal, and proportioning valve 3 is finished switching manipulation under the driving of the driving current signal of driving circuit 2 outputs.The aforementioned proportion valve drive signal adopts pwm signal.
Control module 1 comprises the collection terminal that is used to connect driving circuit 2 output terminals, control module 1 receives the driving current signal feedback regulation proportioning valve drive signal of driving circuit 2 outputs by collection terminal, the proportioning valve aperture control signal of proportioning valve drive signal and variator ECU6 output is adapted, and above-mentioned control module 1 can adopt the controller with general calculation function.Power module 4 is connected with the power input of described control module 1 and described proportioning valve 3 respectively.
As shown in Figure 3, the Proportion valve controlling circuit that the utility model provides also comprises the reseting module 5 that is used for initialization control module 1, reseting module 5 connects control module 1 and sends reset signal to control module 1, and power module 4 is connected with the power input of reseting module 5.Under the present embodiment, reseting module 5 is made up of resistance R 2, resistance R 3, capacitor C 1, capacitor C 1 and resistance R 3 backs in parallel one end ground connection, the other end is connected with resistance R 2 one ends, another termination power input of resistance R 2 is also introduced supply voltage VCC, and the end that resistance R 2 is connected with capacitor C 1, resistance R 3 connects above-mentioned control module 1.After Proportion valve controlling circuit powered on, reseting module 5 promptly produced reset signal and reset signal is sent to control module 1.
The proportional control valve circuit that the utility model provides also comprises active crystal oscillator 7, and active crystal oscillator 7 connects described control modules 1 and provides clock signal for described control module 1.Under the present embodiment, adopt the SPI communication between the variator ECU 6 of control module 1 and outside, certainly, also can adopt other communication modes, as serial communication.
As shown in Figure 4, the another kind of embodiment that provides according to the utility model, comprise first driving circuit 21, second driving circuit 22, the 3rd driving circuit 23 and first proportioning valve 31 that links to each other with above-mentioned each driving circuit respectively, second proportioning valve 32 and the 3rd proportioning valve 33, control module 1 comprise at least one output terminal with the identical collection terminal of described output terminal number, each output terminal of control module 1 cooperates one by one with each collection terminal and is connected to first driving circuit 21 respectively, the input end and the output terminal of second driving circuit 22 and the 3rd driving circuit 23, control module 1 is controlled first proportioning valve 31 respectively by above-mentioned each driving circuit, second proportioning valve 32, the 3rd proportioning valve 33.Control module 1 can be under the effect of active crystal oscillator 7 synchronously the export ratio valve drive signal in order to control multi-channel proportional valve.
As shown in Figure 2, driving circuit 2 in the Proportion valve controlling circuit that the utility model provides can adopt driving circuit 2 designs commonly known in the art, under the present embodiment, driving circuit 2 comprises resistance R 1, R4, R5, diode D1, D2, D3 and N-channel MOS pipe, after linking to each other with resistance R 5, diode D2 links to each other with the grid of Q1, the other end of D2 links to each other with the anode of diode D1, the other end of D2 links to each other with the drain electrode of Q1, the plus earth of D3, the other end links to each other with the drain electrode of metal-oxide-semiconductor Q1, the source ground of Q1.Driving circuit 2 comprises sampling resistor R1, sampling resistor R1 is arranged at the output terminal of driving circuit 2, this sampling resistor R1 one end connects proportioning valve 3, and the other end is received in the drain electrode of Q1, and control module 1 obtains driving circuit 2 output end current signals by the voltage of gathering the sampling resistor two ends.
After having adopted the Proportion valve controlling circuit that the utility model provides, variator ECU6 only needs control module 1 is carried out initial initial configuration, finish the regulating and controlling and the driving of Comparative Examples valve afterwards by control module 1, therefore compare with Proportion valve controlling circuit of the prior art, reduced the burden of variator ECU6.On the other hand, in actual applications for the control of multi-channel proportional valve because variator ECU6 need carry out a large amount of calculating, and the algorithm complexity, therefore can cause to variator ECU6 require too highly, realize that difficulty increases.The Proportion valve controlling circuit that the utility model provides is specifically designed to the control and the driving of proportioning valve owing to increased control module 1, so uses reliably, and extensibility is good.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the ordinary skill in the art, can under the situation that does not break away from principle of the present utility model, carry out multiple variation, modification, replacement and distortion, but all should be considered as belonging to protection domain of the present utility model this embodiment.
Claims (8)
1. Proportion valve controlling circuit comprises control module (1), driving circuit (2), proportioning valve (3), power module (4), it is characterized in that,
The input end of described control module (1) connects the output terminal of variator ECU (6) in the vehicle, and described control module (1) receives the proportioning valve aperture control signal of variator ECU (6) output, and the export ratio valve drive signal is to described driving circuit (2),
Described driving circuit (2) is arranged between described proportioning valve (3) and the described control module (1), and the input end of described driving circuit (2) is connected the output terminal of described control module (1) and the input end of described proportioning valve (3) respectively with output terminal,
Described proportioning valve (3) is finished switching manipulation under the driving of the driving current signal of described driving circuit (2) output,
Described control module (1) comprises the collection terminal that is used to connect described driving circuit (2) output terminal, described control module (1) receives the driving current signal feedback regulation proportioning valve drive signal of driving circuit (2) output by described collection terminal, the proportioning valve aperture control signal of described proportioning valve drive signal and variator ECU (6) output is adapted
Described power module (4) is connected with the power input of described control module (1) with described proportioning valve (3) respectively.
2. Proportion valve controlling circuit as claimed in claim 1, it is characterized in that, described Proportion valve controlling circuit also comprises the reseting module (5) that is used for the described control module of initialization (1), described reseting module (5) connects described control module (1) and sends reset signal to described control module (1), and described power module (4) is connected with the power input of described reseting module (5).
3. Proportion valve controlling circuit as claimed in claim 1 is characterized in that, described proportioning valve drive signal adopts pwm signal.
4. Proportion valve controlling circuit as claimed in claim 1 is characterized in that, described control module (1) comprise at least one output terminal with the identical collection terminal of described output terminal number, each output terminal of described control module (1) and each collection terminal cooperate one by one,
Described Proportion valve controlling circuit comprises driving circuit (2) and the proportioning valve (3) identical with the output terminal number of described control module (1), and described control module (1) is connected to described each driving circuit (2) and controls each proportioning valve (3) that is connected with described each driving circuit (2) respectively by each output terminal and each collection terminal.
5. Proportion valve controlling circuit as claimed in claim 4, it is characterized in that, described proportioning valve driving circuit also comprises the active crystal oscillator (7) of each output terminal that is used for synchronous described control module (1), described active crystal oscillator (7) one ends connect described control module (1), and the other end is connected with power module (4).
6. Proportion valve controlling circuit as claimed in claim 1 is characterized in that, described proportional control valve circuit also comprises active crystal oscillator (7), and described active crystal oscillator (7) connects described control module (1) and provides clock signal for described control module (1).
7. Proportion valve controlling circuit as claimed in claim 1 is characterized in that, adopts the SPI communication between the variator ECU (6) of described control module (1) and outside.
8. Proportion valve controlling circuit as claimed in claim 1, it is characterized in that, described driving circuit (2) comprises sampling resistor R1, sampling resistor R1 is arranged at the output terminal of described driving circuit (2) and connects described proportioning valve (3), and described control module (1) obtains driving circuit (2) output end current signal by the voltage of gathering described sampling resistor two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206917717U CN202008588U (en) | 2010-12-30 | 2010-12-30 | Proportional valve control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206917717U CN202008588U (en) | 2010-12-30 | 2010-12-30 | Proportional valve control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202008588U true CN202008588U (en) | 2011-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206917717U Expired - Lifetime CN202008588U (en) | 2010-12-30 | 2010-12-30 | Proportional valve control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202008588U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103914086A (en) * | 2012-12-29 | 2014-07-09 | 北京谊安医疗系统股份有限公司 | PWM-based apparatus and method for controlling gas flow in anesthesia machine |
| CN105094106A (en) * | 2014-05-08 | 2015-11-25 | 佛山市恒力泰机械有限公司 | Method for comparing input electric signal commands and valve core feedback signals |
| CN108223898A (en) * | 2017-12-28 | 2018-06-29 | 南京钢铁股份有限公司 | Current mode electro-hydraulic proportional valve current feedback system |
| CN109426178A (en) * | 2017-08-24 | 2019-03-05 | 泰乐玛汽车制动系统（上海）有限公司 | Proportional valve control system |
-
2010
- 2010-12-30 CN CN2010206917717U patent/CN202008588U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103914086A (en) * | 2012-12-29 | 2014-07-09 | 北京谊安医疗系统股份有限公司 | PWM-based apparatus and method for controlling gas flow in anesthesia machine |
| CN103914086B (en) * | 2012-12-29 | 2016-12-28 | 北京谊安医疗系统股份有限公司 | A kind of anesthetic machine gas flow control device based on PWM and method thereof |
| CN105094106A (en) * | 2014-05-08 | 2015-11-25 | 佛山市恒力泰机械有限公司 | Method for comparing input electric signal commands and valve core feedback signals |
| CN105094106B (en) * | 2014-05-08 | 2017-12-05 | 佛山市恒力泰机械有限公司 | A kind of input electrical signal instruction and the comparative approach of valve element feedback signal |
| CN109426178A (en) * | 2017-08-24 | 2019-03-05 | 泰乐玛汽车制动系统（上海）有限公司 | Proportional valve control system |
| CN108223898A (en) * | 2017-12-28 | 2018-06-29 | 南京钢铁股份有限公司 | Current mode electro-hydraulic proportional valve current feedback system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111012 |