CN203035444U - Paddle control device with independent oil supply system - Google Patents
Paddle control device with independent oil supply system Download PDFInfo
- Publication number
- CN203035444U CN203035444U CN2012206158284U CN201220615828U CN203035444U CN 203035444 U CN203035444 U CN 203035444U CN 2012206158284 U CN2012206158284 U CN 2012206158284U CN 201220615828 U CN201220615828 U CN 201220615828U CN 203035444 U CN203035444 U CN 203035444U
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- oil
- connects
- stop valve
- valve
- blade
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- 239000000446 fuel Substances 0.000 claims description 14
- 210000000664 rectum Anatomy 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 2
- 238000007599 discharging Methods 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 70
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Fluid-Pressure Circuits (AREA)
Abstract
The utility model relates to a paddle control device with an independent oil supply system. A paddle electric feedback device is connected with a paddle servomotor, a starting up cavity D of the paddle servomotor is connected with a cavity B of a proportional valve, a cavity P of the proportional valve is connected with an oil filter, the oil filter is connected with an oil supply stop valve, one path of the oil supply stop valve is connected with a pressure meter switch through a pipeline, the pressure meter switch is connected with an electro contact pressure meter, one path of the oil supply stop valve is connected with an oil discharging stop valve through a pipeline, the oil discharging stop valve is connected with an oil return tank, another path of the oil supply stop valve is respectively connected with an oil feeding stop valve and an energy accumulator, the energy accumulator is connected with the oil feeding stop valve through a pipeline, the oil feeding stop valve is connected with an unloading overflow valve, the unloading overflow valve is connected with an oil pump, the oil pump is respectively connected with an electric motor and an oil absorption filter, the oil absorption filter is connected with the oil return tank, a shutdown cavity C of the paddle servomotor is connected with a cavity A of the proportional valve, and a cavity T of the proportional valve is connected with the oil return tank. By the utilization of the bag type energy accumulator with oil-gas separation, the paddle control device with the independent oil supply system is reasonable in structure, reliable in use, low in energy consumption, and high in performance cost ratio.
Description
Technical field
The utility model relates to a kind of blade control gear with independent oil supply system, is particularly useful for the large-scale two water turbine governing systems that adjust in water power plant.
Background technique
At present, large-scale two stator control gear and blade control gear of adjusting the water turbine governing system share a cover oil supply system, the energy storage section of oil gear, and the pressure oil tank of employing oil gas contact is dissolved in constantly leakage in the oil because of pressurized air during operation.For this reason, the power station of large-scale water turbine controlling device need arrange special gas system and corresponding auxiliary power house, replenishes dry pressurized air to pressure oil tank.Such air supply system, energy consumption is big, and is uneconomical, the cost of production height.Because be subjected to the restriction of blade servomotor structure and arrangement, such oil supply system operating oil pressure can only maintain below the 6.3MPa, make that lifting stator control gear working pressure class is very difficult.
Summary of the invention
Problem to be solved in the utility model is, overcome the deficiencies in the prior art, a kind of blade control gear with independent oil supply system is provided, adopt the independent oil supply system, the blade control gear is separated with the oil supply system of stator control gear, independent separately, make that the working pressure class of blade control gear is also inequality with the working pressure class of stator control gear, be convenient to promote the working pressure of stator control gear.
The utility model solves its technical problem and takes following technological scheme to realize:
A kind of blade control gear with independent oil supply system that provides according to the utility model, comprise blade electrical feedback device, blade servomotor, oil purifier, pressure gauge and accumulator, it is characterized in that: described blade electrical feedback device connects the blade servomotor, the start chamber D of blade servomotor connects the B chamber of Proportional valve, the P chamber of Proportional valve connects oil purifier, oil purifier connects the fuel feeding stop valve, the fuel feeding stop valve connects pressure meter switch by pipeline one tunnel, and pressure meter switch connects pressure gauge with electric contact; Another road of fuel feeding stop valve connects the stop valve of draining the oil, and the stop valve of draining the oil connects oil sump tank; The fuel feeding stop valve one the tunnel connect oil-feed stop valve, accumulator respectively again; Accumulator connects the oil-feed stop valve by pipeline, the oil-feed stop valve connects unloading overflow valve, unloading overflow valve connects oil pump, oil pump connects motor, oil suction filter respectively, the oil suction filter connects oil sump tank, the shutdown chamber C of blade servomotor connects the A chamber of Proportional valve, and the T chamber of Proportional valve connects oil sump tank.
It is to take following technological scheme further to realize that the utility model solves its technical problem:
Aforesaid accumulator is bag type accumulator;
Aforesaid Proportional valve is big latus rectum directly controlled type electrohydraulic proportional directional valve.
The utility model compared with prior art has significant advantage and beneficial effect:
Because the utility model adopts the bladder type hydropneumatic accumulator of Oil-gas Separation, has cancelled the high-pressure air make-up system,
Make the oil supply system of blade control gear and stator control gear be separated from each other, independent separately, the working pressure class of stator control gear can be promoted to 16.0MPa or 31.5MPa, dwindle the overall structure size of speed control system effectively, cancellation high-pressure air make-up system, reduce energy consumption, increased economic benefit, reduced cost of production.The utility model has reduced the construction investment of large hydropower station effectively, the cost performance height, and reasonable in design is used reliable.
Embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Wherein: 1. blade electrical feedback device, 2. blade servomotor, 3. Proportional valve, 4. oil purifier, 5. fuel feeding stop valve, 6. pressure gauge with electric contact, 7. pressure meter switch, 8. accumulator, 9. oil-feed stop valve, 10. the stop valve of draining the oil, 11. unloading overflow valve, 12. motor, 13. oil pumps, 14. the oil suction filter, 15. oil sump tanks.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, embodiment, structure, feature and effect thereof that foundation the utility model is provided, describe in detail as after.
A kind of blade control gear with independent oil supply system as shown in Figure 1, comprise the blade electrical feedback device, the blade servomotor, oil purifier, pressure gauge and accumulator, it is characterized in that: described blade electrical feedback device 1 connects blade servomotor 2, the start chamber D of blade servomotor connects the B chamber of Proportional valve 3, the P chamber of Proportional valve connects oil purifier 4, oil purifier connects fuel feeding stop valve 5, the fuel feeding stop valve connects pressure meter switch 7 by pipeline one tunnel, pressure meter switch connects pressure gauge with electric contact 6, another road of fuel feeding stop valve connects the stop valve 10 of draining the oil, and the stop valve of draining the oil connects oil sump tank 15; The fuel feeding stop valve one the tunnel connect oil-feed stop valve 9, accumulator 8 respectively again; Accumulator connects the oil-feed stop valve by pipeline, the oil-feed stop valve connects unloading overflow valve 11, unloading overflow valve connects oil pump 13, oil pump connects motor 12, oil suction filter 14 respectively, the oil suction filter connects oil sump tank, the shutdown chamber C of blade servomotor connects the A chamber of Proportional valve, and the T chamber of Proportional valve connects oil sump tank.Accumulator is bag type accumulator, and quantity can be according to the size increase and decrease of blade servomotor capacity, and Proportional valve is big latus rectum directly controlled type electrohydraulic proportional directional valve.The motion of the spool of Proportional valve is to be controlled by proportion electro-magnet, the flow of output and the proportional relation of the electric signal of input, and the magnetic force size that the proportion electro-magnet electromagnetic coil produces is directly proportional with electric current.Present embodiment is that the identical pressure gauge with electric contact of three block structures is connected with pressure meter switch.
For guaranteeing the reliability of work, the utility model is equipped with two table oil pumps (as the oil pump part of drawing among Fig. 1), and one is the work oil pump, and another is emergency bearing oil pump, and this two table oils pump should regularly switch mutually.Under special circumstances, two table oil pumps also can be done the work of short time simultaneously.
The excursion of proper functioning oil pressure of the present utility model run after fame the volunteer do pressure ± 5% in.When oil pressure is lower than 6%～8% of lower limit of operating oil pressure, should start emergency bearing oil pump, when oil pressure continued to be reduced to accident low pressure, the interior pressure signal device of pressure gauge with electric contact that acts on emergency shutdown should move immediately.
Proportional valve control is adopted in action of the present utility model, and when blade servomotor 2 need be opened, the position, a left side of Proportional valve 3 was logical, the A chamber and the T chamber that are Proportional valve are linked up, and the B chamber of Proportional valve and P chamber are linked up, and oil runs in the C chamber of blade servomotor, the D chamber connects pressure oil, and blade servomotor 2 is to the action of start direction.After blade servomotor 2 arrived the start position, Proportional valve 3 was got back to meta, closes C chamber, the D chamber of blade servomotor, and the utility model stops action.When blade servomotor 2 need cut out, the right position of Proportional valve 3 was logical, and namely the A chamber of Proportional valve and P chamber are linked up, and the B chamber of Proportional valve is linked up with the T chamber, the D chamber of the blade servomotor oil that runs in, and the C chamber connects pressure oil, and blade servomotor 2 moves to the direction of shutting down.After blade servomotor 2 arrived the shutdown position, Proportional valve 3 was got back to meta, closes C chamber, the D chamber of blade servomotor, and the utility model stops action.Proportional valve in the utility model is according to blade---stator joint curve, drop into joint, and be controlled by the electric signal of the speed regulator electric control system input that system provides for oneself.
Claims (3)
1. blade control gear with independent oil supply system, comprise blade electrical feedback device, blade servomotor, oil purifier, pressure gauge and accumulator, it is characterized in that: described blade electrical feedback device connects the blade servomotor, the start chamber D of blade servomotor connects the B chamber of Proportional valve, the P chamber of Proportional valve connects oil purifier, oil purifier connects the fuel feeding stop valve, and the fuel feeding stop valve connects pressure meter switch by pipeline one tunnel, and pressure meter switch connects pressure gauge with electric contact; Another road of fuel feeding stop valve connects the stop valve of draining the oil, and the stop valve of draining the oil connects oil sump tank; The fuel feeding stop valve one the tunnel connect oil-feed stop valve, accumulator respectively again; Accumulator connects the oil-feed stop valve by pipeline, the oil-feed stop valve connects unloading overflow valve, unloading overflow valve connects oil pump, oil pump connects motor, oil suction filter respectively, the oil suction filter connects oil sump tank, the shutdown chamber C of blade servomotor connects the A chamber of Proportional valve, and the T chamber of Proportional valve connects oil sump tank.
2. the blade control gear with independent oil supply system according to claim 1, it is characterized in that: described accumulator is bag type accumulator.
3. the blade control gear with independent oil supply system according to claim 1, it is characterized in that: described Proportional valve is big latus rectum directly controlled type electrohydraulic proportional directional valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206158284U CN203035444U (en) | 2012-11-20 | 2012-11-20 | Paddle control device with independent oil supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206158284U CN203035444U (en) | 2012-11-20 | 2012-11-20 | Paddle control device with independent oil supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203035444U true CN203035444U (en) | 2013-07-03 |
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ID=48687574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206158284U Expired - Fee Related CN203035444U (en) | 2012-11-20 | 2012-11-20 | Paddle control device with independent oil supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203035444U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498752A (en) * | 2013-09-30 | 2014-01-08 | 浙江大学舟山海洋研究中心 | Variable-pitch suspended blade device for capturing wave energy |
| CN103939273A (en) * | 2014-03-29 | 2014-07-23 | 深圳市恩莱吉能源科技有限公司 | Method and device for blade electro-hydraulic adjustment of high oil pressure controlled water turbine |
-
2012
- 2012-11-20 CN CN2012206158284U patent/CN203035444U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498752A (en) * | 2013-09-30 | 2014-01-08 | 浙江大学舟山海洋研究中心 | Variable-pitch suspended blade device for capturing wave energy |
| CN103939273A (en) * | 2014-03-29 | 2014-07-23 | 深圳市恩莱吉能源科技有限公司 | Method and device for blade electro-hydraulic adjustment of high oil pressure controlled water turbine |
| CN103939273B (en) * | 2014-03-29 | 2015-11-11 | 深圳市恩莱吉能源科技有限公司 | Blade electro-hydraulic adjusting method and device for high-oil-pressure control water turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20131120 |