CN203708161U - Load-sensitive control system of high-precision hydraulic generator - Google Patents
Load-sensitive control system of high-precision hydraulic generator Download PDFInfo
- Publication number
- CN203708161U CN203708161U CN201420041403.6U CN201420041403U CN203708161U CN 203708161 U CN203708161 U CN 203708161U CN 201420041403 U CN201420041403 U CN 201420041403U CN 203708161 U CN203708161 U CN 203708161U
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- China
- Prior art keywords
- load
- sensitive
- pump
- generator
- load sensitive
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- Expired - Lifetime
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- 239000002828 fuel tank Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000010248 power generation Methods 0.000 abstract 1
- 230000001502 supplementing effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Abstract
The utility model discloses a load-sensitive control system of a high-precision hydraulic generator, which comprises a force taking device and a hydraulic motor, wherein the hydraulic motor is coaxially connected with the generator, the force taking device is connected with a load-sensitive pump, and the load-sensitive pump is connected with a load-sensitive control unit; an oil inlet of the hydraulic motor is connected with an oil outlet of the load-sensitive pump, and an oil outlet of the hydraulic motor is connected with an oil suction port of the load-sensitive pump through an air cooler, a filter and a Venturi oil supplementing valve in sequence; the load-sensitive pump is a variable displacement plunger type hydraulic pump with a pressure compensator, and the load-sensitive control unit is a load-sensitive proportional valve. The load-sensitive control system provided by the utility model of the high-precision hydraulic generator carries out real-time adjustment control on pressure and flow caused by variations in load by using signal feedback of the generator and the load-sensitive pump, thereby improving the control precision and stable current output, and meeting higher power generation requirements.
Description
Technical field
The utility model relates to a kind of hydraulic generator control device, relates in particular to a kind of load sensitive control system of high-precision hydraulic generator.
Background technology
The generating efficiency of hydraulic generator and stability are most important control parameters.Especially in the time that power consumption equipment is had relatively high expectations to parameters of electric power.Due to the load variations in the use procedure 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 precision is low.In order to meet higher generating requirement, and improve control precision, be necessary to provide a kind of load sensitive control system of high-precision hydraulic generator.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of load sensitive control system of high-precision hydraulic generator, can control in real time pressure and flow, improves control precision and stable electric current output, meets higher generating requirement.
The utility model is the load sensitive control system that solves the problems of the technologies described above the technical scheme adopting and be to provide a kind of high-precision hydraulic generator, comprise power takeoff and hydraulic motor, wherein, described hydraulic motor is connected with generator coaxle, described power takeoff is connected with load sensitive pump, and described load sensitive pump is connected with load-sensitive control unit; The oil-in of described hydraulic motor is connected with the oil-out of load sensitive pump, and the oil-out of described hydraulic motor is connected by the inlet port of forced air cooler, filter, venturi Fill valve piece and load sensitive pump successively.
The load sensitive control system of above-mentioned high-precision hydraulic generator, wherein, described load sensitive pump is the change discharge capacity pluger type hydraulic pump with pressure compensator, and described load-sensitive control unit is load-sensitive proportioning valve, and described power takeoff is connected with load sensitive pump by shaft coupling.
The load sensitive 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 of described forced air cooler and return filter is connected.
The load sensitive control system of above-mentioned high-precision hydraulic generator, wherein, is provided with flow valve and pressure valve between the oil-out of described load sensitive pump and the oil-in of hydraulic motor.
The load sensitive 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 filter and liquid level gauge.
The utility model contrast prior art has following beneficial effect: the load sensitive control system of the high-precision hydraulic generator that the utility model provides, utilize signal feedback and the load sensitive pump of generator to carry out regulating and controlling in real time to pressure and flow, thereby improve control precision and stable electric current output, meet higher generating requirement.
Accompanying drawing explanation
Fig. 1 is the load sensitive control system structural representation of the utility model high-precision hydraulic generator.
In figure:
1 power takeoff 2 load sensitive pump 3 load-sensitive control units
4 generator 5 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 load sensitive control system structural representation of the utility model high-precision hydraulic generator.
Refer to Fig. 1, the load sensitive control system of the high-precision hydraulic generator that the utility model provides comprises power takeoff 1 and hydraulic motor 5, wherein, described hydraulic motor 5 is coaxially connected with generator 4, described power takeoff 1 is connected with load sensitive pump 2, and described load sensitive pump 2 is connected with load-sensitive control unit 3; The oil-in of described hydraulic motor 5 is connected with the oil-out of load sensitive pump 2, and the oil-out of described hydraulic motor 5 is connected with the inlet port of load sensitive pump 2 by forced air cooler 6, filter 8, venturi Fill valve piece 9 successively.
The load sensitive control system of the high-precision hydraulic generator that the utility model provides, utilizes the signal feedback of generator 4 and pressure that load sensitive pump 2 causes load change and flow to carry out regulating and controlling in real time, eliminates deviation to obtain the systematic function of expection.Described load sensitive pump 2 is for having the change discharge capacity pluger type hydraulic pump of pressure compensator, and described load-sensitive control unit 3 is load-sensitive proportioning valve, and described power takeoff 1 is connected with load sensitive pump 2 by shaft coupling.When the engine running of car, allow load sensitive pump 2 and load-sensitive proportioning valve provide necessary flow and pressure according to the demand of system, and in the time of working conditions change, there is corresponding pressure and flow regulating function, can keep the continual and steady running of generator, output voltage and frequency can be stablized from the maintenance in any case idling up to full speed process at engine, thereby improve control precision and stable electric current output, meet higher generating requirement.
The load sensitive 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 of described forced air cooler 6 and return filter is connected; Between the oil-in of the oil-out of described load sensitive pump 2 and 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 filter and liquid level gauge.Specific works process is as follows:
By power takeoff 1 by the power conversion of engine to load sensitive pump 2, then load sensitive pump 2 output pressure oil sources, pressure oil arrives hydraulic motor 5 by pipeline, 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 load-sensitive control unit 3, is processed output pressure and the flow of then exporting the responsive pump 2 of regulating load by load-sensitive control unit 3.
Pressure oil sends signal by controlled 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 load sensitive 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 modification and perfect, therefore protection range of the present utility model is worked as with being as the criterion that claims were defined.
Claims (5)
1. the load sensitive control system of a high-precision hydraulic generator, comprise power takeoff (1) and hydraulic motor (5), it is characterized in that, described hydraulic motor (5) is coaxially connected with generator (4), described power takeoff (1) is connected with load sensitive pump (2), and described load sensitive pump (2) is connected with load-sensitive control unit (3); The oil-in of described hydraulic motor (5) is connected with the oil-out of load sensitive pump (2), and the oil-out of described hydraulic motor (5) is connected with the inlet port of load sensitive pump (2) by forced air cooler (6), filter (8), venturi Fill valve piece (9) successively.
2. the load sensitive control system of high-precision hydraulic generator as claimed in claim 1, it is characterized in that, described load sensitive pump (2) is for having the change discharge capacity pluger type hydraulic pump of pressure compensator, described load-sensitive control unit (3) is load-sensitive proportioning valve, and described power takeoff (1) is connected with load sensitive pump (2) by shaft coupling.
3. the load sensitive 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 of described forced air cooler (6) and return filter.
4. the load sensitive control system of high-precision hydraulic generator as claimed in claim 1, is characterized in that, between the oil-out of described load sensitive pump (2) and the oil-in of hydraulic motor (5), is provided with flow valve and pressure valve.
5. the load sensitive control system of the high-precision hydraulic generator as described in claim 1～4 any one, it 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 filter and liquid level gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420041403.6U CN203708161U (en) | 2014-01-23 | 2014-01-23 | Load-sensitive control system of high-precision hydraulic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420041403.6U CN203708161U (en) | 2014-01-23 | 2014-01-23 | Load-sensitive control system of high-precision hydraulic generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203708161U true CN203708161U (en) | 2014-07-09 |
Family
ID=51058538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420041403.6U Expired - Lifetime CN203708161U (en) | 2014-01-23 | 2014-01-23 | Load-sensitive control system of high-precision hydraulic generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203708161U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107088284A (en) * | 2017-07-07 | 2017-08-25 | 合肥巨澜安全技术有限责任公司 | Far Range firefighting fire extinguishing robot device |
| 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 CN201420041403.6U patent/CN203708161U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107088284A (en) * | 2017-07-07 | 2017-08-25 | 合肥巨澜安全技术有限责任公司 | Far Range firefighting fire extinguishing robot device |
| 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 |
Granted publication date: 20140709 |
|
| CX01 | Expiry of patent term |