CN203702693U - Closed-loop control system of high-precision hydraulic generator - Google Patents
Closed-loop control system of high-precision hydraulic generator Download PDFInfo
- Publication number
- CN203702693U CN203702693U CN201420041524.0U CN201420041524U CN203702693U CN 203702693 U CN203702693 U CN 203702693U CN 201420041524 U CN201420041524 U CN 201420041524U CN 203702693 U CN203702693 U CN 203702693U
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- China
- Prior art keywords
- generator
- oil
- oil hydraulic
- hydraulic pump
- control system
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- Expired - Lifetime
Links
- 239000002828 fuel tank Substances 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 6
- 238000010248 power generation Methods 0.000 abstract 1
- 239000013589 supplement Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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- Control Of Eletrric Generators (AREA)
Abstract
The utility model discloses a closed-loop control system of a high-precision hydraulic generator. The closed-loop control system comprises a power take-off device and a hydraulic motor. The hydraulic motor and the generator are coaxially connected, and the power take-off device is connected with a hydraulic pump. An oil inlet of the hydraulic motor and an oil outlet of the hydraulic pump are connected, an oil outlet of the hydraulic motor is connected with an oil sucking opening of the hydraulic pump through an air cooler, a filter and a Venturi oil supplement valve block. The generator is connected with the hydraulic pump through a feedback control unit. The filter is an oil return filter, and a pressure switch is arranged between the output end of the air cooler and the oil return filter and connected with the input control end of the air cooler. Signal feedback of the generator is used for adjusting and controlling the pressure and flow of the hydraulic pump in real time, so that control precision and stable current output are improved, and high power generation requirements are met.
Description
Technical field
The utility model relates to a kind of hydraulic generator control gear, relates in particular to a kind of closed loop control system of high-precision hydraulic generator.
Background technique
The generating efficiency of hydraulic generator and stability are most important control parameters.Especially in the time that consumer is had relatively high expectations to parameters of electric power.Due to the load variations in the using process of hydraulic generator, can produce corresponding impact to the electric current of output, cause existing hydraulic electricity generation equipment ubiquity poor stability, the shortcoming that control accuracy is low.In order to meet higher generating requirement, and improve control accuracy, be necessary to provide a kind of closed loop control system of high-precision hydraulic generator.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of closed loop control system of high-precision hydraulic generator, can control in real time the pressure of oil hydraulic pump and flow, improves control accuracy and stable electric current output, meets higher generating requirement.
The utility model is the closed loop control system that solves the problems of the technologies described above the technological scheme adopting and be to provide a kind of high-precision hydraulic generator, comprise power takeoff and oil hydraulic motor, wherein, described oil hydraulic motor is connected with generator coaxle, and described power takeoff is connected with oil hydraulic pump; The filler opening of described oil hydraulic motor is connected with the oil outlet of oil hydraulic pump, the oil outlet of described oil hydraulic motor is connected by the inlet port of forced air cooler, filter, venturi Fill valve piece and oil hydraulic pump successively, and described generator is connected with oil hydraulic pump by feedback control unit.
The closed loop control system of above-mentioned high-precision hydraulic generator, wherein, described filter is return filter, the input control end that is provided with pressure switch and forced air cooler between the output terminal of described forced air cooler and return filter is connected.
The closed loop control system of above-mentioned high-precision hydraulic generator, wherein, is provided with Flow valve and pressure valve between the oil outlet of described oil hydraulic pump and the filler opening of oil hydraulic motor.
The closed loop control system of above-mentioned high-precision hydraulic generator, wherein, described venturi Fill valve piece is connected with repairing fuel tank, and described repairing fuel tank is provided with air-strainer and level meter.
The utility model contrast prior art has following beneficial effect: the closed loop control system of the high-precision hydraulic generator that the utility model provides, pressure and the flow of the signal feed back of utilizing generator to oil hydraulic pump carries out regulating and controlling in real time, thereby improve control accuracy and stable electric current output, meet higher generating requirement.
Brief description of the drawings
Fig. 1 is the closed loop control system structural representation of the utility model high-precision hydraulic generator.
In figure:
1 power takeoff 2 oil hydraulic pump 3 feedback control units
4 generator 5 oil hydraulic motor 6 forced air coolers
7 pressure switch 8 filter 9 venturi Fill valve pieces
10 repairing fuel tanks
Embodiment
Below in conjunction with drawings and Examples, the utility model will be further described.
Fig. 1 is the closed loop control system structural representation of the utility model high-precision hydraulic generator.
Refer to Fig. 1, the closed loop control system of the high-precision hydraulic generator that the utility model provides comprises power takeoff 1 and oil hydraulic motor 5, and wherein, described oil hydraulic motor 5 is coaxially connected with generator 4, and described power takeoff 1 can be connected with oil hydraulic pump 2 by coupling; The filler opening of described oil hydraulic motor 5 is connected with the oil outlet of oil hydraulic pump 2, the oil outlet of described oil hydraulic motor 5 is connected with the inlet port of oil hydraulic pump 2 by forced air cooler 6, filter 8, venturi Fill valve piece 9 successively, and described generator 4 is connected with oil hydraulic pump 2 by feedback control unit 3.
The closed loop control system of the high-precision hydraulic generator that the utility model provides, pressure and the flow of the signal feed back of utilizing generator 4 to oil hydraulic pump 2 carries out regulating and controlling in real time, eliminates deviation to obtain the systematic function of expection.In feedback control system, both existed by the signal through path that is input to output, also comprise the signal feed back path from output terminal to input end, both form a closed loop.Carry out synchronous adjusting along with the load variations of system, thereby improve control accuracy and stable electric current output, meet higher generating requirement.
The closed loop control system of the high-precision hydraulic generator that the utility model provides, described filter 8 is return filter, the input control end that is provided with pressure switch 7 and forced air cooler 6 between the output terminal of described forced air cooler 6 and return filter is connected; Between the filler opening of the oil outlet of described oil hydraulic pump 2 and oil hydraulic motor 5, be provided with Flow valve and pressure valve and carry out flow pressure adjusting; Described venturi Fill valve piece 9 is connected with repairing fuel tank 10, on described repairing fuel tank 10, can be provided with air-strainer and level meter.Specific works process is as follows:
By power takeoff 1 by the power-converting of engine to oil hydraulic pump 2, then oil hydraulic pump 2 delivery pressure oil sources, pressure oil arrives oil hydraulic motor 5 by pipeline, oil hydraulic motor 5 rotates and drives generator 4 to work, in the time of the load variations of generator 4, can cause the variation of electric current, this variation can feed back to feedback control unit 3, is processed delivery pressure and the flow of then exporting regulator solution press pump 2 by feedback control unit 3, and feedback control unit 3 can be selected conventional PID regulator.
Pressure oil sends signal by pilot pressure switch 7 closures, and forced air cooler 6 obtains signal and starts working, and fluid, through air-cooled cooling, arrive filter 8 and filters, and then gets back to the inlet port of oil hydraulic pump 2 by venturi Fill valve piece 9.Oil in repairing fuel tank 10 provides supply for venturi Fill valve piece 9.
Although the utility model discloses as above with preferred embodiment; so it is not in order to limit the utility model; any those skilled in the art; not departing from spirit and scope of the present utility model; when doing a little amendment and perfect, therefore protection domain of the present utility model is worked as with being as the criterion that claims were defined.
Claims (4)
1. a closed loop control system for high-precision hydraulic generator, comprises power takeoff (1) and oil hydraulic motor (5), it is characterized in that, described oil hydraulic motor (5) is coaxially connected with generator (4), and described power takeoff (1) is connected with oil hydraulic pump (2); The filler opening of described oil hydraulic motor (5) is connected with the oil outlet of oil hydraulic pump (2), the oil outlet of described oil hydraulic motor (5) is connected with the inlet port of oil hydraulic pump (2) by forced air cooler (6), filter (8), venturi Fill valve piece (9) successively, and described generator (4) is connected with oil hydraulic pump (2) by feedback control unit (3).
2. the closed loop control system of high-precision hydraulic generator as claimed in claim 1, it is characterized in that, described filter (8) is return filter, is provided with pressure switch (7) and is connected with the input control end of forced air cooler (6) between the output terminal of described forced air cooler (6) and return filter.
3. the closed loop control system of high-precision hydraulic generator as claimed in claim 1, is characterized in that, between the oil outlet of described oil hydraulic pump (2) and the filler opening of oil hydraulic motor (5), is provided with Flow valve and pressure valve.
4. the closed loop control system of the high-precision hydraulic generator as described in claim 1～3 any one, is characterized in that, described venturi Fill valve piece (9) is connected with repairing fuel tank (10), and described repairing fuel tank (10) is provided with air-strainer and level meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420041524.0U CN203702693U (en) | 2014-01-23 | 2014-01-23 | Closed-loop control system of high-precision hydraulic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420041524.0U CN203702693U (en) | 2014-01-23 | 2014-01-23 | Closed-loop control system of high-precision hydraulic generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702693U true CN203702693U (en) | 2014-07-09 |
Family
ID=51053144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420041524.0U Expired - Lifetime CN203702693U (en) | 2014-01-23 | 2014-01-23 | Closed-loop control system of high-precision hydraulic generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203702693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396382A (en) * | 2020-04-27 | 2020-07-10 | 上海深拓液压技术有限公司 | Closed-loop control system of hydraulic power take-off device |
-
2014
- 2014-01-23 CN CN201420041524.0U patent/CN203702693U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396382A (en) * | 2020-04-27 | 2020-07-10 | 上海深拓液压技术有限公司 | Closed-loop control system of hydraulic power take-off device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |