CN201627683U - Pneumatic/hydraulic hybrid-controlled stable wind power generating device - Google Patents
Pneumatic/hydraulic hybrid-controlled stable wind power generating device Download PDFInfo
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- CN201627683U CN201627683U CN2010201142609U CN201020114260U CN201627683U CN 201627683 U CN201627683 U CN 201627683U CN 2010201142609 U CN2010201142609 U CN 2010201142609U CN 201020114260 U CN201020114260 U CN 201020114260U CN 201627683 U CN201627683 U CN 201627683U
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- wind
- pneumatic
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- gas holder
- power generating
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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
Abstract
The utility model provides a pneumatic/hydraulic hybrid-controlled stable wind power generating device which comprises a wind energy input system, a wind energy conversion system, a power generating system and a control system. The wind energy input system, the wind energy conversion system and the power generating system are sequentially connected with one another by a shaft joint. The wind energy input system comprises a wind machine, the shaft joint and a hydraulic stepless speed reducer. The wind energy conversion system which finishes the storing and releasing of energy is mainly composed of an air compressor, a pneumatic valve base, an air storage tank and a pneumatic motor. The power generating system comprises the shaft joint and a power generator. The control system is composed of a wind speed sensor, an input end rotating speed sensor, an air storage tank pressure sensor, an output end rotating speed sensor, an output end torque sensor and a system controller. The pneumatic/hydraulic hybrid-controlled stable wind power generating device can store energy when the wind speed is high and release energy when the wind speed is low according to the changing of the wind condition, so as to make sure that the pneumatic motor can obtain continuous and stable rotating speed and the power generator cannot be affected by the changing of the environment, thereby overcoming the disadvantages of the present wing power generating technology.
Description
Technical field
The invention belongs to wind-power generating system, what relate to is the wind-force stable electric generation device that a kind of pneumatic/hydraulic is mixed control.
Technical background
Wind energy is a kind of free of contamination energy, and the exploitation of wind energy causes the countries in the world attention day by day, and wind generating technology is obtained fast development.But because the intermittence of wind, wind-driven generator output is unstable bigger to the influence of generating electricity by way of merging two or more grid systems, and stable electric generation is one of crucial difficult point of wind generating technology.
In the existing wind generating technology, regulate the pneumatic equipment blades made angle that facings the wind, change the wind energy utilization mode and make system stability by the feather mode.But the pitch-variable system design is complicated, and wind energy utilization is not high, influenced greatly by wind speed.
Chinese patent application number: 200610020351.4, title: the wind-power generating system of continous-stable power-supplying, this system comprises air energy-storage system and power generation system, wind-force can be converted to mechanical energy and inflate energy storage to high pressure gas holder, then with the aweather energy converter structure conveying of pressurized gas that stores, make its wind-force that obtains continous-stable, but this system design is simple, does not have concrete control gear to regulate the energy storage.
Summary of the invention
The objective of the invention is to above-mentioned deficiency, provide a kind of pneumatic/hydraulic to mix the wind-force stable electric generation device of control, no matter under which kind of wind regime, all can make the wind energy conversion system stable electric generation, improve the development and utilization efficient of wind energy.
The present invention is achieved by the following technical solutions, the present invention includes: wind energy input system, wind-energy changing system, power generation system and control system.Wind energy input system, wind-energy changing system and power generation system are connected successively by coupling.
Described wind energy input system comprises wind energy conversion system, coupling, hydraulic continuously variable transmission, and wherein: wind energy conversion system links to each other with hydraulic continuously variable transmission by coupling.
Described wind-energy changing system is made up of air compressor, pneumatic valve island, air compressor outlet pipe, gas holder suction tude, gas holder, gas holder exhaust tube, gas motor suction tude, gas motor.Wherein: hydraulic continuously variable transmission links to each other with air compressor by coupling, air after the compression enters the pneumatic valve island by the air compressor outlet pipe, the pneumatic valve island is connected with gas holder by the gas holder suction tude, gas holder exhaust tube one end is connected with gas holder, the other end links to each other with the pneumatic valve island, and the pneumatic valve island is connected with the gas motor by gas motor suction tude.
Described power generation system comprises coupling and generator, and the gas motor is connected with generator by coupling, and generator directly is connected with electrical network.
Described control system comprises: air velocity transducer, input end speed probe, gas holder pressure transducer, output terminal speed probe, output terminal torque sensor, SC system controller.Air velocity transducer is installed on the wind turbine impeller, is used for detecting the input wind speed; The input end speed probe is installed on the wind energy conversion system output shaft, is used to detect the wind mill wind wheel rotating speed; The gas holder pressure transducer detects the pressure of gas holder; Output terminal speed probe and output terminal torque sensor are installed on the output shaft of gas motor, are used to detect the rotating speed and the moment of gas motor.
During system works:
Wind energy is rotated wind turbine impeller, and wind wheel drives hydraulic continuously variable transmission and rotates, thereby drives air compressor work, and air compressor enters the pneumatic valve island through the air compressor outlet pipe after with supercharging air, and the control of pneumatic valve island enters the air in the gas holder.High-pressure air can drive the gas revolution through gas motor suction tude, drives generator and rotates generating, realizes effective utilization of wind energy.
When described control system was worked, at first wind speed was by the air velocity transducer continuous monitoring, and under normal wind speed, pressurized air drives the gas motor by feed channel and makes generator for electricity generation; When the input wind speed was big, the gas holder suction tude was opened on control system control pneumatic valve island, with compressed gas storage in gas holder, energy storage in the time of generating; Wind speed hour, the gas holder exhaust tube is opened on control system control pneumatic valve island, because the full pressurized gas of gas storage tank storage, provide pressurized gas to the gas motor continuously by the gas holder exhaust tube, simultaneously, the gas holder pressure transducer detects the pressurized gas situation of gas holder storage, the whether air inlet of control pneumatic valve island.
Advantage of the present invention: be provided with wind-energy changing system, can be according to the variation of wind regime, energy more than needed to big wind speed is stored, to replenish the energy shortage of wind speed hour, to guarantee that the gas motor obtains the wind-force of continous-stable, guarantee that generator is not subjected to the influence of environmental change, to solve the intermittence of existing wind generating technology.The present invention simultaneously is simple in structure, reduces the body design difficulty, reduces the wind-driven generator cost.
Description of drawings
Fig. 1 is a structural drawing of the present invention
Wherein: 1. air velocity transducer 2. wind energy conversion systems 3. input speed probes 4. shaft couplings 5. hydraulic continuously variable transmissions 6. shaft couplings 7. air compressors 8. pneumatic operated valve islands 9. exhaust pipe for air compressors, 10. air accumulator air inlet pipe, 11. air accumulators, 12. air accumulator pressure sensors, 13. air accumulator bleeder pipes, 14. gas motor air inlet pipe, 15. gas motors, 16. output speed probes, 17. output torque sensors, 18. shaft couplings, 19. generators 20. power systems 21. system controllers
Embodiment
Wind-power generating system is by comprising: wind energy input system, wind-energy changing system, power generation system and control system.Wind energy input system, wind-energy changing system and power generation system are connected successively by coupling.
Described wind energy input system comprises wind energy conversion system 2, coupling 4, hydraulic continuously variable transmission 5, and wherein: wind energy conversion system 2 links to each other with hydraulic continuously variable transmission 5 by coupling 4.
Described wind-energy changing system is made up of air compressor 7, pneumatic valve island 8, air compressor outlet pipe 9, gas holder suction tude 10, gas holder 11, gas holder exhaust tube 13, gas motor suction tude 14, gas motor 15.Wherein: hydraulic continuously variable transmission 5 links to each other with air compressor 7 by coupling 6, air after the compression enters pneumatic valve island 8 by air compressor outlet pipe 9, pneumatic valve island 8 is connected with gas holder 11 by gas holder suction tude 10, gas holder exhaust tube 13 1 ends are connected with gas holder 11, the other end links to each other with pneumatic valve island 8, and pneumatic valve island 8 is connected with gas motor 15 by gas motor suction tude 14.
Described power generation system comprises: coupling 18 and generator 19, and gas motor 15 is connected with generator 19 by coupling 18, and generator 19 directly is incorporated into the power networks with electric power system 20 and is connected.
Described control system comprises: air velocity transducer 1, input end speed probe 3, gas holder pressure transducer 12, output terminal speed probe 16, output terminal torque sensor 17, SC system controller 21.Air velocity transducer 1 is installed near wind energy conversion system 2 impellers, is used for detecting the input wind speed, and input end speed probe 3 is installed on the coupling 4, is used to detect the wind mill wind wheel rotating speed, and gas holder pressure transducer 12 detects the pressure of gas holder 11; Output terminal speed probe 16 and output terminal torque sensor 17 are installed in the output port of gas motor 15, are used to detect real time data.During entire system work:
Wind energy makes wind energy conversion system 2 wheel rotation, wind wheel drives hydraulic continuously variable transmission 5 and rotates, thereby drive air compressor 7 work, air compressor 7 will enter pneumatic valve island 8 through air compressor outlet pipe 9 behind the supercharging air, and 8 controls of pneumatic valve island enter the air in the gas holder 11.High-pressure air in the gas holder 11 can drive gas motor 15 through gas motor suction tude 14 and rotate, and drives generator 19 and rotates generating, realizes effective utilization of wind energy.
When described control system was worked, at first wind speed was by air velocity transducer 1 continuous monitoring, and under normal wind speed, pressurized air drives gas motor 15 by feed channel and makes generator 19 generatings; When the input wind speed was big, gas holder suction tude 10 was opened on control system 21 control pneumatic valve islands 8, with compressed gas storage in gas holder 11, energy storage in the time of generating; Wind speed hour, gas holder exhaust tube 13 is opened on control system 21 control pneumatic valve islands 8, because the full pressurized gas of gas holder 11 storages, provide pressurized gas to gas motor 15 continuously by gas holder exhaust tube 13, simultaneously, gas holder pressure transducer 12 detects the pressurized gas situation of gas holder 11 storages, whether air inlet of control pneumatic valve island 8.
Claims (5)
1. a pneumatic/hydraulic is mixed the wind-force stable electric generation device of controlling, and it is characterized in that, comprising: wind energy input system, wind-energy changing system, power generation system and control system; Wind energy input system, wind-energy changing system and power generation system are connected successively by coupling.
2. a kind of pneumatic/hydraulic according to claim 1 is mixed the wind-force stable electric generation device of control, it is characterized in that, described wind energy input system comprises wind energy conversion system, coupling, hydraulic continuously variable transmission, and wherein: wind energy conversion system links to each other with hydraulic continuously variable transmission by coupling.
3. a kind of pneumatic/hydraulic according to claim 1 is mixed the wind-force stable electric generation device of control, it is characterized in that described wind-energy changing system is made up of air compressor, pneumatic valve island, air compressor outlet pipe, gas holder suction tude, gas holder, gas holder exhaust tube, gas motor suction tude, gas motor; Wherein: hydraulic continuously variable transmission links to each other with air compressor by coupling, air after the compression enters the pneumatic valve island by the air compressor outlet pipe, the pneumatic valve island is connected with gas holder by the gas holder suction tude, gas holder exhaust tube one end is connected with gas holder, the other end links to each other with the pneumatic valve island, and the pneumatic valve island is connected with the gas motor by gas motor suction tude.
4. a kind of pneumatic/hydraulic according to claim 1 is mixed the wind-force stable electric generation device of control, it is characterized in that described power generation system comprises coupling and generator, and the gas motor is connected with generator by coupling, and the direct and electric power system of generator is incorporated into the power networks.
5. a kind of pneumatic/hydraulic according to claim 1 is mixed the wind-force stable electric generation device of control, it is characterized in that described control system comprises: air velocity transducer, input end speed probe, gas holder pressure transducer, output terminal speed probe, output terminal torque sensor, SC system controller; Air velocity transducer is installed on the wind turbine impeller, is used for detecting the input wind speed; The input end speed probe is installed on the wind energy conversion system output shaft, is used to detect the wind mill wind wheel rotating speed; The gas holder pressure transducer detects the pressure of gas holder; Output terminal speed probe and output terminal torque sensor are installed on the output shaft of gas motor, are used to detect the rotating speed and the moment of gas motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201142609U CN201627683U (en) | 2010-02-21 | 2010-02-21 | Pneumatic/hydraulic hybrid-controlled stable wind power generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201142609U CN201627683U (en) | 2010-02-21 | 2010-02-21 | Pneumatic/hydraulic hybrid-controlled stable wind power generating device |
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| Publication Number | Publication Date |
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| CN201627683U true CN201627683U (en) | 2010-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201142609U Expired - Fee Related CN201627683U (en) | 2010-02-21 | 2010-02-21 | Pneumatic/hydraulic hybrid-controlled stable wind power generating device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PH12016000364A1 (en) * | 2016-10-13 | 2019-01-21 | Divinagracia Rowena B | The green energy innovation generator set |
| CN110360054A (en) * | 2019-07-17 | 2019-10-22 | 庄茜茜 | Air compression type wind generator system and its control method |
| CN110599194A (en) * | 2019-08-02 | 2019-12-20 | 南京集新萃信息科技有限公司 | Pneumatic valve island information tracing method based on two-dimensional code |
| CN112943542A (en) * | 2021-02-22 | 2021-06-11 | 李志文 | Wind energy utilization device |
-
2010
- 2010-02-21 CN CN2010201142609U patent/CN201627683U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PH12016000364A1 (en) * | 2016-10-13 | 2019-01-21 | Divinagracia Rowena B | The green energy innovation generator set |
| CN110360054A (en) * | 2019-07-17 | 2019-10-22 | 庄茜茜 | Air compression type wind generator system and its control method |
| CN110360054B (en) * | 2019-07-17 | 2022-10-25 | 庄茜茜 | Air compression type wind power generation system and control method thereof |
| CN110599194A (en) * | 2019-08-02 | 2019-12-20 | 南京集新萃信息科技有限公司 | Pneumatic valve island information tracing method based on two-dimensional code |
| CN112943542A (en) * | 2021-02-22 | 2021-06-11 | 李志文 | Wind energy utilization device |
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| 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: 20101110 Termination date: 20130221 |