CN208073906U - A kind of electrohydraulic servo valve static tester - Google Patents
A kind of electrohydraulic servo valve static tester Download PDFInfo
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- CN208073906U CN208073906U CN201820478674.6U CN201820478674U CN208073906U CN 208073906 U CN208073906 U CN 208073906U CN 201820478674 U CN201820478674 U CN 201820478674U CN 208073906 U CN208073906 U CN 208073906U
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- unit
- signal
- main control
- control unit
- servo valve
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Abstract
The utility model discloses a kind of electrohydraulic servo valve static testers, including tester ontology, signal generator, pressure signal unit, airflow measurement unit, current amplification unit, main control unit and power module are equipped in the tester ontology, the power module gives signal generator, pressure signal unit, airflow measurement unit, current amplification unit, main control unit to power respectively by conducting wire, the signal generator, pressure signal unit, airflow measurement unit and current amplification unit are connected by conducting wire main control unit, and are transmitted a signal in main control unit.This practicality is formed by using signal generator, pressure signal unit, airflow measurement unit, current amplification unit, main control unit and simple six modular structures of power module, and has many advantages, such as to receive test signal precisely benefit easy to operate, and also have that control performance is good, reliability is high, at low cost is very suitable for promoting the use of.
Description
Technical field
The utility model is related to electrohydraulic servo valve static test technical fields, more particularly, to a kind of electrohydraulic servo valve static state
Tester.
Background technology
Electrohydraulic servo valve is mainly used for electro-hydraulic servo automatic control system, and main function is to turn low power electric signal
It is changed to powerful hydraulic pressure output, the automation control of mechanical equipment is then realized by hydraulic actuating mechanism, therefore electro-hydraulic
Servo valve play the role of in automated machine equipment it is vital, if electrohydraulic servo valve in use break down need to tie up
When repairing, first have to carry out it static load discharge characteristic monitoring, and currently on the market used in electro-hydraulic static tester not
It is only complicated, have a single function, be inconvenient, monitoring that unstable efficiency is relatively low and cost is high.For this purpose, we carry
Go out a kind of electrohydraulic servo valve static tester.
Invention content
In view of this, the purpose of this utility model is in view of the deficiencies of the prior art, it is static to provide a kind of electrohydraulic servo valve
Tester, by using signal generator, pressure signal unit, airflow measurement unit, current amplification unit, main control unit and electricity
The simple six modular structures composition of source module, and with the accurate benefit easy to operate of test signal is received, can solve
The problems mentioned above in the background art
In order to achieve the above objectives, the utility model uses following technical scheme：
A kind of electrohydraulic servo valve static tester of this practicality, including tester ontology, the tester ontology is interior to be equipped with letter
Number generator, pressure signal unit, airflow measurement unit, current amplification unit, main control unit and power module, the power supply mould
Block gives signal generator, pressure signal unit, airflow measurement unit, current amplification unit, main control unit to supply respectively by conducting wire
Electricity, the signal generator, pressure signal unit, airflow measurement unit and current amplification unit are connected by conducting wire main control unit
It connects, and transmits a signal in main control unit.
Preferably, the signal generator generates the triangle of 0.01Hz, 0.03Hz, 0.05Hz, 1Hz, 3Hz and 5Hz respectively
Electric wave and rectangular electric wave are simultaneously transmitted in main control unit.
Preferably, the pressure signal unit receives pressure signal by pressure sensor p1 and pressure sensor p2 and leads to
Wire transmission is crossed to main control unit.
Preferably, the airflow measurement unit acquires flow signal by flowmeter and passes through wire transmission to main control unit
In.
Preferably, the current amplification unit generates current signal and exports to servo valve, and is fed back signal by servo valve
After returning current amplification unit, then transmitted a signal in main control unit by conducting wire by current amplification unit.
Preferably, the main control unit is by acquiring signal generator, pressure signal unit, airflow measurement unit and electric current
The signal of amplifying unit is simultaneously shown by charactron A1 and charactron A2.
The utility model has the beneficial effects that：
By using signal generator, pressure signal unit, airflow measurement unit, current amplification unit, main control unit and
The simple six modular structures composition of power module, and with the accurate benefit easy to operate of reception test signal, and also
Have many advantages, such as that control performance is good, reliability is high, at low cost be very suitable for promoting the use of.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, for ordinary skill people
For member, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is the overall structure diagram of the utility model.
In figure：1. tester ontology, 2. signal generators, 3. pressure signal units, 4. airflow measurement units, 5. electric currents are put
Big unit, 6. main control units, 7. power modules, 8. pressure sensor p1,9. pressure sensor p2,10. flowmeters, 11. servos
Valve, 12. charactron A1,13. charactron A2.
Specific implementation mode
The utility model is further described with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of electrohydraulic servo valve static tester, including tester ontology 1, in the tester ontology 1
Equipped with signal generator 2, pressure signal unit 3, airflow measurement unit 4, current amplification unit 5, main control unit 6 and power module
7, the power module 7 is put to signal generator 2, pressure signal unit 3, airflow measurement unit 4, electric current respectively by conducting wire 14
Big unit 5, main control unit 6 are powered, the signal generator 2, pressure signal unit 3, airflow measurement unit 4 and Current amplifier list
Member 5 is connected by 14 main control unit 6 of conducting wire, and is transmitted a signal in main control unit 6.
A kind of electrohydraulic servo valve static tester of the utility model, by using signal generator, pressure signal unit, stream
Phasor measurement unit, current amplification unit, main control unit and the simple six modular structures composition of power module, and with reception
The accurate benefit easy to operate of test signal, and also have many advantages, such as that control performance is good, reliability is high, at low cost be very suitable for
It is suitble to promote the use of.
Wherein, the signal generator 2 generates the triangle electricity of 0.01Hz, 0.03Hz, 0.05Hz, 1Hz, 3Hz and 5Hz respectively
Wave and rectangular electric wave are simultaneously transmitted in main control unit 6.
Wherein, the pressure signal unit 3 receives pressure signal simultaneously by pressure sensor p18 and pressure sensor p29
It is transmitted to main control unit 6 by conducting wire 14.
Wherein, the airflow measurement unit 4 acquires flow signal by flowmeter 10 and passes through wire transmission to master control list
In member 6.
Wherein, the current amplification unit 5 generates current signal and exports to servo valve 11, and by servo valve 11 that signal is anti-
After being fed back to current amplification unit 5, then transmitted a signal in main control unit 6 by conducting wire 14 by current amplification unit 5.
Wherein, the main control unit 6 is by acquiring signal generator 2, pressure signal unit 3, airflow measurement unit 4 and electricity
It banishes the signal of big unit 5 and is shown by charactron A112 and charactron A213.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, this field
Other modifications or equivalent replacement that those of ordinary skill makes the technical solution of the utility model, without departing from this practicality
The spirit and scope of new technique scheme should all cover in the right of the utility model.
Claims (6)
1. a kind of electrohydraulic servo valve static tester, including tester ontology（1）, it is characterised in that：The tester ontology（1）
It is interior to be equipped with signal generator（2）, pressure signal unit（3）, airflow measurement unit（4）, current amplification unit（5）, main control unit
（6）And power module（7）, the power module（7）Pass through conducting wire（14）Signal generator is given respectively（2）, pressure signal unit
（3）, airflow measurement unit（4）, current amplification unit（5）, main control unit（6）Power supply, the signal generator（2）, pressure letter
Number unit（3）, airflow measurement unit（4）And current amplification unit（5）Pass through conducting wire（14）Main control unit（6）Connection, and will letter
Number it is transmitted to main control unit（6）In.
2. a kind of electrohydraulic servo valve static tester according to claim 1, it is characterised in that：The signal generator
（2）The triangle electric wave of 0.01Hz, 0.03Hz, 0.05Hz, 1Hz, 3Hz and 5Hz are generated respectively and rectangular electric wave and are transmitted to master control
Unit（6）In.
3. a kind of electrohydraulic servo valve static tester according to claim 1, it is characterised in that：The pressure signal unit
（3）Pass through pressure sensor p1（8）With pressure sensor p2（9）Receive pressure signal and passes through conducting wire（14）It is transmitted to master control list
Member（6）.
4. a kind of electrohydraulic servo valve static tester according to claim 1, it is characterised in that：The airflow measurement unit
（4）Pass through flowmeter（10）Acquisition flow signal simultaneously passes through wire transmission to main control unit（6）In.
5. a kind of electrohydraulic servo valve static tester according to claim 1, it is characterised in that：The current amplification unit
（5）Current signal is generated to export to servo valve（11）, and by servo valve（11）Signal is fed back into current amplification unit（5）Afterwards,
Again by current amplification unit（5）Pass through conducting wire（14）Transmit a signal to main control unit（6）In.
6. a kind of electrohydraulic servo valve static tester according to claim 1, it is characterised in that：The main control unit（6）
By acquiring signal generator（2）, pressure signal unit（3）, airflow measurement unit（4）And current amplification unit（5）Signal
And pass through charactron A1（12）With charactron A2（13）It shows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820478674.6U CN208073906U (en) | 2018-04-07 | 2018-04-07 | A kind of electrohydraulic servo valve static tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820478674.6U CN208073906U (en) | 2018-04-07 | 2018-04-07 | A kind of electrohydraulic servo valve static tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208073906U true CN208073906U (en) | 2018-11-09 |
Family
ID=64043440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820478674.6U Expired - Fee Related CN208073906U (en) | 2018-04-07 | 2018-04-07 | A kind of electrohydraulic servo valve static tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208073906U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489971A (en) * | 2018-11-22 | 2019-03-19 | 燕山大学 | A kind of electrohydraulic servo valve small amount of flow measuring system and method |
-
2018
- 2018-04-07 CN CN201820478674.6U patent/CN208073906U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489971A (en) * | 2018-11-22 | 2019-03-19 | 燕山大学 | A kind of electrohydraulic servo valve small amount of flow measuring system and method |
| CN109489971B (en) * | 2018-11-22 | 2020-01-03 | 燕山大学 | Micro flow measurement system and method for electro-hydraulic servo valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 Termination date: 20190407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |