CN211474338U - Wind turbine generator system fluid coupling ware transmission - Google Patents
Wind turbine generator system fluid coupling ware transmission Download PDFInfo
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- CN211474338U CN211474338U CN201921733941.0U CN201921733941U CN211474338U CN 211474338 U CN211474338 U CN 211474338U CN 201921733941 U CN201921733941 U CN 201921733941U CN 211474338 U CN211474338 U CN 211474338U
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- wind turbine
- turbine generator
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a wind turbine generator hydraulic coupler transmission device, belonging to the field of wind turbine generator logic design, comprising a fan impeller for starting the wind turbine generator, a small-sized constant speed ratio hydraulic coupler, a wind turbine generator, a coupler auxiliary device, a cable and an alternating current power supply; the fan impeller, the small-sized constant-speed-ratio hydraulic coupler and the wind turbine generator are arranged on the same axis; the coupler auxiliary device is arranged in the wind turbine generator cabinet and used for detecting each temperature measurement value of the small-sized constant-speed-ratio hydraulic coupler and providing auxiliary services such as oil tank, cooling and purification for the small-sized constant-speed-ratio hydraulic coupler, and the coupler auxiliary device is connected with an alternating current power supply through a cable. The utility model discloses perfect structure, system are compact, and the practicality is strong, is fit for the wind-powered electricity generation trade and uses, possesses maneuverability, has extensive suitability.
Description
Technical Field
The utility model relates to a wind turbine generator system fluid coupling ware transmission belongs to wind turbine generator system logic design field.
Background
Wind power generation is the most mature renewable energy power generation except hydroelectric power generation, and the installed capacity of the wind power generation accounts for the vast majority of the total installed capacity of the whole renewable energy power generation.
The wind generating set comprises a wind wheel and a generator, wherein the wind wheel comprises blades, a hub, a reinforcing member and the like, and the wind wheel has the functions of generating electricity by the rotation of the blades under the action of wind power, rotating a generator head and the like. The wind power generation power supply comprises a wind generating set, a tower frame for supporting the generating set, a storage battery charging controller, an inverter, an unloader, a grid-connected controller, a storage battery pack and the like.
The wind turbine generator is huge in equipment, complex in structure and various in potential safety hazard, and accidents such as tooth breakage in a wind turbine generator gear box and the like occur for many times in recent years, so that a hydraulic coupler transmission device of the wind turbine generator is urgently needed to protect the wind turbine generator.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a reasonable in design's wind turbine generator system fluid coupling transmission.
The utility model provides a technical scheme that above-mentioned problem adopted is: a wind turbine generator hydraulic coupler transmission device is characterized by comprising a fan impeller for starting a wind turbine generator, a small-sized constant-speed-ratio hydraulic coupler, a wind turbine generator, a coupler auxiliary device, a cable and an alternating current power supply; the fan impeller, the small-sized constant-speed-ratio hydraulic coupler and the wind turbine generator are arranged on the same axis; the coupler auxiliary device is arranged in a wind turbine generator cabinet and used for detecting each temperature measurement value of the small-sized constant-speed-ratio hydraulic coupler and providing auxiliary services such as oil tank, cooling and purification for the small-sized constant-speed-ratio hydraulic coupler, and the coupler auxiliary device is connected with an alternating current power supply through a cable.
Further, the cable is in a soft-wired and hard-wired redundant design, so that protection is more reliable.
Furthermore, the input shaft of the small-sized constant-speed-ratio hydraulic coupler can be accelerated to a rotating speed higher than the rated rotating speed of the generator of the wind turbine generator through a small number of gear configurations.
Further, the utility model relates to a fluid coupling's transmission kinetic energy, fluid coupling are the hydraulic drive device who utilizes the kinetic energy of liquid and carry out energy transfer, and it uses liquid oil as working medium, through pump impeller and turbine with the kinetic energy interconversion of mechanical energy and liquid to connect prime mover and the transmission of working machine realization power.
A fluid coupling is a flexible transmission device that has many unique features compared to conventional mechanical transmission devices: impact and vibration can be eliminated; the overload protection performance and the starting performance are good, the input shaft can still rotate when the load is overlarge and the rotation is stopped, and the damage to the power machine is avoided; as the load decreases, the output shaft speed increases until it approaches the input shaft speed, tending to zero the transmitted torque. The transmission efficiency of the hydraulic coupler is equal to the ratio of the rotating speed of the output shaft to the rotating speed of the input shaft, and higher efficiency can be obtained when the rotating speed ratio of the normal working condition of the general hydraulic coupler is more than 0.95.
Because the hydraulic coupler isolates vibration and relieves starting impact, gears in the gear box of the wind generating set have no dangerous source, and the fault of gear beating is avoided.
Compared with the prior art, the utility model, have following advantage and effect:
1. the wind power generation system is complete in structure, compact in system, strong in practicability, suitable for being used in the wind power industry, and has operability, and practice proves that the method is a good method.
2. The method has scientificity, and can meet the requirement of protecting the wind turbine generator in case of danger.
3. Has wide applicability.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure: the wind turbine generator system comprises a fan impeller 1, a small-sized constant speed ratio hydraulic coupler 2, a wind turbine generator 3, a coupler auxiliary device 4, a cable 5 and an alternating current power supply 6.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1, the wind turbine generator hydraulic coupler transmission device in the embodiment includes a fan impeller 1 for starting the wind turbine generator, a small-sized constant speed ratio hydraulic coupler 2, a wind turbine generator 3, a coupler auxiliary device 4, a cable 5 and an alternating current power supply 6; the fan impeller 1 is arranged in front of the small-sized constant-speed-ratio hydraulic coupler 2, the wind turbine generator 3 is arranged behind the small-sized constant-speed-ratio hydraulic coupler 2, and the fan impeller 1, the small-sized constant-speed-ratio hydraulic coupler 2 and the wind turbine generator 3 are arranged on the same axis; the coupler auxiliary device 4 is arranged in a wind turbine generator cabinet and used for detecting each temperature measurement value of the small-sized fixed-speed-ratio hydraulic coupler 2 and providing auxiliary service for the small-sized fixed-speed-ratio hydraulic coupler 2, and the coupler auxiliary device 4 is connected with an alternating current power supply 6 through a cable 5.
The input shaft of the small-sized constant-speed-ratio hydraulic coupler 2 can be accelerated to a rotating speed higher than the rated rotating speed of the generator 3 of the wind turbine generator through a small number of gear configurations.
Power supply technical parameter of wind turbine generator hydraulic coupler transmission device
| Power supply | Voltage range | Frequency range |
| Unit of | V | Hz |
| Numerical value | 210~240 | 45~63 |
The working method of the wind turbine generator hydraulic coupler transmission device comprises the following steps:
1) the system controls wind energy to start the fan impeller 1;
2) the fan impeller 1 is accelerated through a gear box to form an input shaft of the small-sized constant-speed-ratio hydraulic coupler 2;
3) the input shaft of the small-sized constant-speed-ratio hydraulic coupler 2 converts mechanical energy into kinetic energy of oil through a pump impeller;
4) the kinetic energy of the oil impacts a turbine of an output shaft of the small-sized fixed-speed-ratio hydraulic coupler 2;
5) the turbine of the output shaft of the small-sized constant speed ratio hydraulic coupler 2 transmits mechanical energy to the wind turbine generator 3;
6) and 3, accelerating the generator 3 of the wind turbine generator, connecting the grid and carrying the load to the rated value.
Those not described in detail in this specification are well within the skill of the art.
Although the present invention has been described with reference to the above embodiments, it should not be construed as being limited to the scope of the present invention, and any modifications and alterations made by those skilled in the art without departing from the spirit and scope of the present invention should fall within the scope of the present invention.
Claims (2)
1. A wind turbine generator hydraulic coupler transmission device is characterized by comprising a fan impeller (1) for starting a wind turbine generator, a small-sized constant speed ratio hydraulic coupler (2), a wind turbine generator (3), a coupler auxiliary device (4), a cable (5) and an alternating current power supply (6); the fan impeller (1) is arranged in front of the small-sized constant-speed-ratio hydraulic coupler (2), the wind turbine generator (3) is arranged behind the small-sized constant-speed-ratio hydraulic coupler (2), and the fan impeller (1), the small-sized constant-speed-ratio hydraulic coupler (2) and the wind turbine generator (3) are arranged on the same axis; the coupler auxiliary device (4) is arranged in a wind turbine generator cabinet and used for detecting each temperature measurement value of the small-sized fixed-speed-ratio hydraulic coupler (2) and providing auxiliary service for the small-sized fixed-speed-ratio hydraulic coupler (2), and the coupler auxiliary device (4) is connected with an alternating current power supply (6) through a cable (5).
2. The wind turbine generator hydraulic coupler transmission device as claimed in claim 1, wherein the input shaft of the small-sized fixed-speed-ratio hydraulic coupler (2) can be accelerated to a rotating speed higher than the rated rotating speed of the wind turbine generator (3) through a small number of gear configurations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921733941.0U CN211474338U (en) | 2019-10-16 | 2019-10-16 | Wind turbine generator system fluid coupling ware transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921733941.0U CN211474338U (en) | 2019-10-16 | 2019-10-16 | Wind turbine generator system fluid coupling ware transmission |
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| Publication Number | Publication Date |
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| CN211474338U true CN211474338U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921733941.0U Active CN211474338U (en) | 2019-10-16 | 2019-10-16 | Wind turbine generator system fluid coupling ware transmission |
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| CN (1) | CN211474338U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821757A (en) * | 2019-10-16 | 2020-02-21 | 华电电力科学研究院有限公司 | Wind turbine generator hydraulic coupler transmission device and working method thereof |
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2019
- 2019-10-16 CN CN201921733941.0U patent/CN211474338U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821757A (en) * | 2019-10-16 | 2020-02-21 | 华电电力科学研究院有限公司 | Wind turbine generator hydraulic coupler transmission device and working method thereof |
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