CN206608390U - A kind of electro-hydraulic proportional valve amplification control system - Google Patents
A kind of electro-hydraulic proportional valve amplification control system Download PDFInfo
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- CN206608390U CN206608390U CN201720186100.7U CN201720186100U CN206608390U CN 206608390 U CN206608390 U CN 206608390U CN 201720186100 U CN201720186100 U CN 201720186100U CN 206608390 U CN206608390 U CN 206608390U
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- proportional valve
- hydraulic proportional
- hydraulic
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Abstract
The utility model discloses a kind of electro-hydraulic proportional valve amplification control system, including controller, proportional amplifier, electro-hydraulic proportional valve, load, hydraulic means, angular displacement is fed back, driving current is fed back, signal sampler, signal processor, display unit and alarm unit, wherein, controller is connected with proportional amplifier, proportional amplifier and hydraulic means are connected with electro-hydraulic proportional valve, electro-hydraulic proportional valve is connected with load, angular displacement feedback and driving current feedback are connected with electro-hydraulic proportional valve and signal sampler, signal sampler is connected with signal processor, signal processor is connected with controller and display unit and alarm unit, pass through the signal of angular displacement feedback and driving current feedback collection electro-hydraulic proportional valve to signal sampler, again by being transferred to controller and display unit and alarm unit after signal processor processes, alarm warning when being controlled and shown accordingly respectively and be abnormal, realize the control of low-power consumption and the beneficial effect of monitoring and warning.
Description
Technical field
The utility model is related to electro-hydraulic proportional valve technical field, particularly relates to a kind of electro-hydraulic proportional valve amplification control system.
Background technology
Electro-hydraulic proportional valve is based on traditional industrial hydraulic control valve, to be filled using an analog electric mechanical switch
Put, convert electrical signals to displacement signal, continuously control pressure, direction or the flow of working media in hydraulic system.Ratio
The effect of valve control is that control signal is handled and amplified, an electric mechanical switching device is driven.Proportioning valve is in industry
Control aspect is widely used, and for driving proportioning valve, also needs by a certain percentage to amplify light current curtage control signal, this
Function is generally completed by proportional amplifier.But current electro-hydraulic proportional valve control system does not adapt to the small-sized of hydraulic system
Change, integrated and intelligentized requirement, and control more complicated.
Therefore, it is necessary to a kind of new electro-hydraulic proportional valve amplification control system be designed, to solve above-mentioned technical problem.
Utility model content
For problem present in background technology, the purpose of this utility model is to provide a kind of electro-hydraulic proportional valve amplification control
System, it is simple in construction, realize the control of low-power consumption and the beneficial effect of monitoring and warning.
What the technical solution of the utility model was realized in：A kind of electro-hydraulic proportional valve amplification control system, including control
Device, proportional amplifier, electro-hydraulic proportional valve, load, hydraulic means, angular displacement feedback, driving current feedback, signal sampler, letter
Number processor, display unit and alarm unit, wherein, the output end of the controller and the input of proportional amplifier are connected,
The output end of proportional amplifier and the output end of hydraulic means are connected with the input of electro-hydraulic proportional valve, electro-hydraulic proportional valve it is defeated
Go out end to be connected with load, the input and the input of driving current feedback and the output end of electro-hydraulic proportional valve of angular displacement feedback connect
Connect, the output end and the output end of driving current feedback and the input of signal sampler of angular displacement feedback are connected, signal sampling
The output end of device and the input of signal processor are connected, the output end of signal processor and the input of controller and display list
The connection of first input and alarm unit input, the controller is electrohydraulic proportional controller, including power tube and with it is described
The fly-wheel diode that power tube is connected in series, the fly-wheel diode is connected in parallel to by inductance coil and resistant series
Branch road.
In the above-mentioned technical solutions, angular displacement sensor is installed in the valve body of the electro-hydraulic proportional valve.
In the above-mentioned technical solutions, the power tube is large power triode.
In the above-mentioned technical solutions, the base stage of the large power triode is pwm signal input, colelctor electrode and ground phase
Connect, emitter-base bandgap grading is connected with one end of the fly-wheel diode, the other end of the fly-wheel diode connects with power supply.
In the above-mentioned technical solutions, the power tube is high-power MOS tube.
The utility model electro-hydraulic proportional valve amplification control system, including it is controller, proportional amplifier, electro-hydraulic proportional valve, negative
Load, hydraulic means, angular displacement feedback, driving current feedback, signal sampler, signal processor, display unit and alarm unit,
Wherein, controller is connected with proportional amplifier, and proportional amplifier and hydraulic means are connected with electro-hydraulic proportional valve, electro-hydraulic proportional valve with
Load connection, angular displacement feedback and driving current feedback are connected with electro-hydraulic proportional valve and signal sampler, signal sampler and letter
Number processor connection, signal processor be connected with controller and display unit and alarm unit, passes through angular displacement feedback and drive
The signal of streaming current feedback collection electro-hydraulic proportional valve is to signal sampler, then by being transferred to controller after signal processor processes
With display unit and alarm unit, low work(is realized in alarm warning when being controlled and shown accordingly respectively and be abnormal
The control of consumption and the beneficial effect of monitoring and warning.
Brief description of the drawings
Fig. 1 is the utility model electro-hydraulic proportional valve amplification control system structured flowchart；
Fig. 2 is controller circuitry schematic diagram in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole realities
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute under the premise of creative work is not made
The every other embodiment obtained, belongs to the scope of the utility model protection.
As shown in figure 1, a kind of electro-hydraulic proportional valve amplification control system described in the utility model, including controller 1, ratio
Amplifier 2, electro-hydraulic proportional valve 3, load 4, hydraulic means 5, angular displacement feedback 6, driving current feedback 7, signal sampler 8, letter
Number processor 9, display unit 10 and alarm unit 11.
Wherein, the output end of the controller 1 is connected with the input of proportional amplifier 2, for controlling proportional amplifier 2
Carry out signal enhanced processing；The input of the output end of proportional amplifier 2 and the output end of hydraulic means 5 with electro-hydraulic proportional valve 3
End connection, the output end of electro-hydraulic proportional valve 3 is connected with load 4, in this way, the input letter of the amplification electro-hydraulic proportional valve 3 of proportional amplifier 2
Number, and hydraulic means 5 provides hydraulic pressure kinetic energy to electro-hydraulic proportional valve 3.
The input of angular displacement feedback 6 and the input of driving current feedback 7 are connected with the output end of electro-hydraulic proportional valve 3,
Angular displacement data and driving current data for obtaining electro-hydraulic proportional valve 3, wherein, it is provided with the valve body of electro-hydraulic proportional valve 3
Angular displacement sensor.The output end of angular displacement feedback 6 and the output end and the input of signal sampler 8 of driving current feedback 7
Connection, transmits the angular displacement data obtained and driving current data into signal sampler 8.
The output end of signal sampler 8 is connected with the input of signal processor 9, carries out angular displacement data and driving current
The Treatment Analysis of data, the output end of signal processor 9 and the input of controller 1 and the input of display unit 10 and alarm
The input of unit 11 is connected, and one is controller 1 is controlled accordingly according to the data comparison example amplifier 2 after processing；Two
It is to be shown accordingly by display unit 10；Three be that alarm warning is carried out in exception by alarm unit 11, so real
The control of existing low-power consumption and the beneficial effect of monitoring and warning.
Wherein, as shown in Fig. 2 the controller 1 be electrohydraulic proportional controller, including power tube 12 and with the power amplifier
The fly-wheel diode 13 that pipe 12 is connected in series, the fly-wheel diode 13 is connected in parallel to is connected by inductance coil 14 and resistance 15
Branch road.Here, the power tube 12 is large power triode, and the base stage of the large power triode inputs for signal
End, colelctor electrode with ground connect, emitter-base bandgap grading is connected with one end of the fly-wheel diode 13, the other end of the fly-wheel diode 13 and
Power supply connects.The power tube 12 can also be high-power MOS tube.
The utility model electro-hydraulic proportional valve amplification control system, including controller 1, proportional amplifier 2, electro-hydraulic proportional valve 3,
Load 4, hydraulic means 5, angular displacement feedback 6, driving current feedback 7, signal sampler 8, signal processor 9, display unit 10
With alarm unit 11, wherein, controller 1 is connected with proportional amplifier 2, proportional amplifier 2 and hydraulic means 5 and electro-hydraulic proportional valve
3 connections, electro-hydraulic proportional valve 3 is connected with load 4, and angular displacement feedback 6 and driving current feedback 7 are adopted with electro-hydraulic proportional valve 3 and signal
Sample device 8 is connected, and signal sampler 8 is connected with signal processor 9, signal processor 9 and controller 1 and display unit 10 and report
Alert unit 11 is connected, by angular displacement feed back 6 and driving current feedback 7 gather the signals of ratio electro hydraulic valves 3 to signal sampler
8, then by being transferred to controller 1 and display unit 10 and alarm unit 11 after the processing of signal processor 9, carry out respectively corresponding
Control and display and it is abnormal when alarm warning, realize the control of low-power consumption and the beneficial effect of monitoring and warning.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of electro-hydraulic proportional valve amplification control system, it is characterised in that：Including controller, proportional amplifier, electro-hydraulic proportional valve,
Load, hydraulic means, angular displacement feedback, driving current feedback, signal sampler, signal processor, display unit and alarm are single
Member, wherein, the output end of the controller and the input of proportional amplifier are connected, output end and the hydraulic pressure dress of proportional amplifier
The output end put is connected with the input of electro-hydraulic proportional valve, and the output end of electro-hydraulic proportional valve is connected with load, angular displacement feedback
Input and driving current feedback input and electro-hydraulic proportional valve output end connect, angular displacement feedback output end and drive
The output end of streaming current feedback and the input of signal sampler are connected, the output end of signal sampler and signal processor it is defeated
Enter end connection, the output end of signal processor and the input of controller and display unit input and alarm unit input
Connection, the controller is electrohydraulic proportional controller, including power tube and the pole of afterflow two that is connected in series with the power tube
Pipe, the fly-wheel diode is connected in parallel to the branch road by inductance coil and resistant series.
2. electro-hydraulic proportional valve amplification control system according to claim 1, it is characterised in that：The valve of the electro-hydraulic proportional valve
Angular displacement sensor is installed in vivo.
3. electro-hydraulic proportional valve amplification control system according to claim 1, it is characterised in that：The power tube is high-power
Triode.
4. electro-hydraulic proportional valve amplification control system according to claim 3, it is characterised in that：The large power triode
Base stage is pwm signal input, and colelctor electrode connects with ground, and emitter-base bandgap grading is connected with one end of the fly-wheel diode, the afterflow two
The other end of pole pipe connects with power supply.
5. electro-hydraulic proportional valve amplification control system according to claim 1, it is characterised in that：The power tube is high-power
Metal-oxide-semiconductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720186100.7U CN206608390U (en) | 2017-02-28 | 2017-02-28 | A kind of electro-hydraulic proportional valve amplification control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720186100.7U CN206608390U (en) | 2017-02-28 | 2017-02-28 | A kind of electro-hydraulic proportional valve amplification control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206608390U true CN206608390U (en) | 2017-11-03 |
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ID=60169227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720186100.7U Expired - Fee Related CN206608390U (en) | 2017-02-28 | 2017-02-28 | A kind of electro-hydraulic proportional valve amplification control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206608390U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110195796A (en) * | 2019-05-13 | 2019-09-03 | 深圳国器实业有限公司 | A kind of electro-hydraulic proportional valve intelligence control system |
| CN112255933A (en) * | 2020-09-11 | 2021-01-22 | 瓴芯电子科技(无锡)有限公司 | Control circuit and control method of electromagnetic proportional valve |
-
2017
- 2017-02-28 CN CN201720186100.7U patent/CN206608390U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110195796A (en) * | 2019-05-13 | 2019-09-03 | 深圳国器实业有限公司 | A kind of electro-hydraulic proportional valve intelligence control system |
| CN112255933A (en) * | 2020-09-11 | 2021-01-22 | 瓴芯电子科技(无锡)有限公司 | Control circuit and control method of electromagnetic proportional valve |
| CN112255933B (en) * | 2020-09-11 | 2022-01-14 | 瓴芯电子科技(无锡)有限公司 | Control circuit and control method of electromagnetic proportional valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171103 Termination date: 20210228 |