CN104533698B - Method utilizing wave energy for providing power for wind turbine AMD control systems - Google Patents
Method utilizing wave energy for providing power for wind turbine AMD control systems Download PDFInfo
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- CN104533698B CN104533698B CN201410787689.7A CN201410787689A CN104533698B CN 104533698 B CN104533698 B CN 104533698B CN 201410787689 A CN201410787689 A CN 201410787689A CN 104533698 B CN104533698 B CN 104533698B
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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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention discloses a method utilizing wave energy for providing power for wind turbine AMD control systems. The method comprises the following steps that a floater connected with a spar body is utilized for capturing the wave energy; reciprocating motion of a piston in a hydraulic cylinder is utilized for converting the wave energy into hydraulic energy; air in a liquid piston cylinder is compressed, seawater is pressurized and injected into a gas-liquid energy storing device, and an air pressure motor and a hydraulic motor are used for providing the power for the AMD control system installed in a cabin and the AMD control system installed on a spar platform. The method utilizing the wave energy for providing the power for the wind turbine AMD control systems solve the problems that in the prior art, the energy consumption of a control system is high, the equipment manufacturing cost is high, and the power generation efficiency is low.
Description
Technical field
The invention belongs to marine energy technical field, relate to one and utilize wave energy for wind energy conversion system
AMD control system provides the method for power.
Background technology
Marine wind electric field has the remarkable advantages such as high wind speed, low wind shear, low turbulent flow, high production,
In addition the impact on the mankind is less, and can fully use for reference land wind power technology experience, sea turn
Electricity will account for increasingly consequence in following Wind Power Generation Industry, and it will be for wind-power electricity generation not
Plays an important role in energy resource structure makes positive contribution.But, floating marine formula wind-force
Machine in addition to by inertia, gravitational load, aerodynamic load, also by wave, ocean current,
Wrap up in the extra load such as ice load.Control particularly important for floatation type wind machine structure stability,
Wherein install AMD active control system floatation type wind energy conversion system can be carried out effectively off-load fall shake
Effect, but tradition AMD controls to need outside to provide energy, reduces the output effect of complete machine
Rate.
Summary of the invention
It is an object of the invention to provide one utilizes wave energy to carry for wind energy conversion system AMD control system
For the method for power, solve the problem of control system high energy consumption present in prior art, if
Standby cost is high, the problem that generating efficiency is low.
The technical solution adopted in the present invention is, one utilizes wave energy to control for wind energy conversion system AMD
System processed provides the method for power, it is characterised in that: comprise the following steps:
Step 1, utilizes the float 4 being connected with spar body 5 to be captured by wave energy；
Step 2, utilize hydraulic cylinder 2 inner carrier move back and forth convert wave energy into air energy or
Hydraulic energy；
Step 3, utilize the air in gas-liquid accumulator 10 can by become discharge capacity air pressure motor 7
AMD control system 6 for being arranged in cabin provides power；Utilize gas-liquid accumulator 10
In hydraulic energy by become displacement hydraulic motor 12 into being arranged on spar body AMD control system
1 provides power.
The feature of the present invention also resides in,
Spar body stretches into marine, spar body is cased with float, float and hydraulic cylinder and connects, float
Arranging across the sea, hydraulic cylinder is arranged under sea, and the float being connected with spar body is at wave
Move up and down under the effect of power, drive piston in hydraulic cylinder motion, when in hydraulic cylinder, piston is downward
Motion, in liquid piston cylinder, sea water is pressed into gas-liquid accumulator by piston, and liquid piston cylinder top sets
The reversal valve a put starts, and makes outside air enter liquid piston cylinder, keeps in liquid piston cylinder
Pressure balance；When the air in piston upwards in hydraulic cylinder, liquid piston cylinder is compressed,
Injecting gas-liquid accumulator when being compressed to rated pressure value, the reversal valve b arranged bottom hydraulic cylinder opens
Dynamic, external world's sea water is injected in hydraulic cylinder and keep pressure balance in hydraulic cylinder；When hydraulic cylinder is lived
Plug moves upward, and sea water is inhaled into the cavity of below hydraulic cylinder piston, when in hydraulic cylinder piston to
Lower motion, the sea water below piston is pressurized and injects gas-liquid accumulator；
Step 3, is compressed the air in liquid piston cylinder, is pressurizeed by sea water simultaneously and notes
Enter gas-liquid accumulator, be to be arranged in cabin by air pressure motor and hydraulic motor respectively
AMD control system and the AMD control system being arranged on spar platform provide power；
Step 3 particularly as follows:
The pressurized rear air-pressure duct that passes through of air on gas-liquid accumulator top is that air pressure motor provides
Air energy, air energy is converted to mechanical energy by air pressure motor, for being arranged in cabin
AMD control system provides driving force；
The pressurized rear conduit under fluid pressure that passes through of sea water of gas-liquid accumulator bottom enters hydraulic motor, for
Hydraulic motor provides hydraulic energy, and hydraulic energy is converted to mechanical energy, and is wind energy conversion system by hydraulic motor
AMD control system provides driving force.
The invention has the beneficial effects as follows by the wave energy enriched in ocean being converted into compression sky
Gas energy stores, and stablizes lasting for the offer of wind machine structure AMD active control system
Driving force, saves valuable electric energy, improves wind energy conversion system complete machine delivery efficiency.In compressed energy-storage mistake
Cheng Zhongjun is using sea water as hydraulic medium, even if there being a small amount of leakage also will not be right at work
Environment, compares the more environmentally friendly economy of the traditional hydraulic technologies with oil as medium.To sky
Aspiration enter and compression process in use liquid piston technology, can effectively avoid gas leakage and
The problems such as frictional heating, improve work efficiency.
Accompanying drawing explanation
Fig. 1 is the wave energy collection and the structural representation of conversion equipment utilized in the present invention.
In figure, 1.spar body AMD control system, 2. hydraulic cylinder, 3. connecting rod, 4. float, 5.spar
Body, 6. AMD control system in cabin, 7. become discharge capacity air pressure motor, 8. liquid piston cylinder,
9. reversal valve a, 10. gas-liquid accumulator, 11. reversal valve b, 12. become displacement hydraulic motor.
Detailed description of the invention
With detailed description of the invention, this utility model is described in detail below in conjunction with the accompanying drawings.
A kind of method utilizing wave energy to provide power for wind energy conversion system AMD control system of the present invention,
Use device, as it is shown in figure 1, structure is: include that being socketed in spar the most successively puts down
Hydraulic cylinder 2 on platform 5 and float 4, connected by pull bar 3 between hydraulic cylinder 2 and float 4,
Float 4 is movably arranged on spar platform, and the lower end of hydraulic cylinder 2 is connected with reversal valve a11,
Reversal valve a11 is connected with the bottom of gas-liquid accumulator 10 by hydraulic tube, gas-liquid accumulator 10
Upper end be connected with reversal valve b9 by pneumatic tube, reversal valve b9 is arranged on liquid piston cylinder 8
Upper end, the bottom of liquid piston cylinder 8 is connected with the upper end of hydraulic cylinder 2 by hydraulic tube, gas
The upper end of liquid accumulator 10 is connected with air pressure motor 7 by pneumatic tube, gas-liquid accumulator 10
Lower end is connected by hydraulic tube and hydraulic motor 12；Float 4 is arranged on spar by bearing arrangement
On platform；Reversal valve a11 and reversal valve b9 is the solenoid directional control valve of two-position four-way；Commutation
Valve a11 is the hydraulicdirectional control valve of two-position four-way；
Wherein, float 4 is floating across the sea, and hydraulic cylinder 2 is submerged in below sea；
Air pressure motor 7 in the present invention be arranged on AMD control system in the cabin of wind energy conversion system
6 are connected by shaft coupling；
Hydraulic motor 12 in the present invention and the AMD control being arranged on wind energy conversion system spar platform
System 1 processed is connected by shaft coupling；
Specifically include following steps:
Step 1, utilizes the float 4 being connected with spar body 5 to be captured by wave energy；
Step 2, utilize hydraulic cylinder 2 inner carrier move back and forth convert wave energy into air energy or
Hydraulic energy；
Step 2 converts wave energy into mechanical energy particularly as follows:
Spar body 5 stretches into marine, and spar body 5 is cased with float 4, float 4 and hydraulic cylinder 2
Connecting, float 4 arranges across the sea, and hydraulic cylinder 2 is arranged under sea, with spar body 5
The float 4 being connected moves up and down under the effect of wave force, drives the motion of hydraulic cylinder 2 inner carrier,
When in hydraulic cylinder 2, piston moves downward, sea water influent cylinder pressure 2 epicoele in liquid piston cylinder 8
Body, the reversal valve a9 that liquid piston cylinder 8 top is arranged starts, and makes outside air enter liquid
Piston cylinder 8, keeps pressure balance in liquid piston cylinder 8；When in hydraulic cylinder 2, piston is upwards transported
Dynamic, the air in liquid piston cylinder 8 is compressed, when being compressed to rated pressure value (10MPa)
Injecting gas-liquid accumulator 10, the reversal valve b11 arranged bottom hydraulic cylinder 2 starts, by the external world
Sea water injects and keeps pressure balance in hydraulic cylinder 2 in hydraulic cylinder 2；When in hydraulic cylinder 2 piston to
Upper motion, sea water is inhaled into the lower chamber of hydraulic cylinder 2, when in hydraulic cylinder 2, piston moves downward,
Sea water in lower chamber is pressurized and injects gas-liquid accumulator 10；
In hydraulic cylinder 2, piston is connected with float 4 by connecting rod 3, and piston stroke and float 4
Stroke is the same, float 4 can be done spacing control during limit sea situation；
Step 3, utilize the air in gas-liquid accumulator 10 can by become discharge capacity air pressure motor 7
AMD control system 6 for being arranged in cabin provides power；Utilize gas-liquid accumulator 10
In hydraulic energy by become displacement hydraulic motor 12 into being arranged on spar body AMD control system
1 provides power.；
Step 3 particularly as follows:
The compressed air on gas-liquid accumulator 10 top is provided for air pressure motor 7 by air-pressure duct
Air energy, air energy is converted to mechanical energy by air pressure motor 7, and when needed for installing
AMD control system 6 in cabin provides driving force；
The sea water of gas-liquid accumulator 10 bottom enters hydraulic motor 12 by conduit under fluid pressure, for liquid
Pressure motor 12 provides hydraulic energy, and hydraulic energy is converted to mechanical energy by hydraulic motor 12, and is needing
Driving force is provided for spar body AMD control system 1 when wanting.
Claims (3)
1. utilize the method that wave energy provides power for wind energy conversion system AMD control system,
It is characterized in that: comprise the following steps:
Step 1, utilizes the float (4) being connected with spar body (5) to be captured by wave energy；
Step 2, utilizes hydraulic cylinder (2) inner carrier to move back and forth and converts wave energy into air
Energy or hydraulic energy；
Step 3, utilize the air in gas-liquid accumulator (10) can by become discharge capacity air pressure motor
(7) the AMD control system (6) for being arranged in cabin provides power；Gas-liquid is utilized to store up
Hydraulic energy in energy device (10) is by becoming displacement hydraulic motor (12) into being arranged on spar body
AMD control system (1) provides power.
The most according to claim 1 utilize wave energy for wind energy conversion system AMD control system
The method that power is provided, it is characterised in that: step 2 converts wave energy into air energy or liquid
Pressure energy, particularly as follows:
Described spar body (5) stretches into marine, and spar body (5) is cased with float (4), floating
Son (4) and hydraulic cylinder (2) connect, and float (4) is arranged across the sea, hydraulic cylinder (2)
Being arranged under sea, the float (4) being connected with spar body (5) is under the effect of wave force
Move up and down, drive the motion of hydraulic cylinder (2) inner carrier, when in hydraulic cylinder (2), piston is downward
Motion, sea water influent cylinder pressure (2) upper cavity, liquid piston cylinder in liquid piston cylinder (8)
(8) the reversal valve a (9) that top is arranged starts, and makes outside air enter liquid piston cylinder (8),
Keep pressure balance in liquid piston cylinder (8)；When piston upwards in hydraulic cylinder (2),
Air in liquid piston cylinder (8) is compressed, and is compressed to injection gas when force value is 10MPa
Liquid accumulator (10), the reversal valve b (11) that hydraulic cylinder (2) bottom is arranged starts, will outward
Boundary's sea water injects and keeps pressure balance in hydraulic cylinder (2) in hydraulic cylinder (2)；When hydraulic cylinder (2)
Middle piston upwards, sea water is inhaled into the cavity of below hydraulic cylinder (2) piston, works as hydraulic pressure
In cylinder (2), piston moves downward, and the sea water below piston is pressurized and injects gas-liquid accumulator
(10)。
The most according to claim 1 and 2 utilize wave energy for wind energy conversion system AMD control
System provide power method, it is characterised in that: step 3 particularly as follows:
The pressurized rear air-pressure duct that passes through of compressed air on gas-liquid accumulator (10) top is for becoming row
Amount air pressure motor (7) provides air energy, becomes discharge capacity air pressure motor (7) and is turned by air energy
It is changed to mechanical energy, provides driving force for the AMD control system (6) being arranged in cabin；
Pressurized rear the entrance by conduit under fluid pressure of sea water of gas-liquid accumulator (10) bottom becomes discharge capacity
Hydraulic motor (12), provides hydraulic energy for becoming displacement hydraulic motor (12), becomes displacement hydraulic
Hydraulic energy is converted to mechanical energy by motor (12), and is spar body AMD control system (1)
Driving force is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410787689.7A CN104533698B (en) | 2014-12-17 | 2014-12-17 | Method utilizing wave energy for providing power for wind turbine AMD control systems |
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|---|---|---|---|
| CN201410787689.7A CN104533698B (en) | 2014-12-17 | 2014-12-17 | Method utilizing wave energy for providing power for wind turbine AMD control systems |
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| CN104533698A CN104533698A (en) | 2015-04-22 |
| CN104533698B true CN104533698B (en) | 2017-01-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630787A (en) * | 2017-08-28 | 2018-01-26 | 西安理工大学 | A kind of floating marine wind power generation plant with constant pressure liquid energy storage |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559146A (en) * | 2017-10-12 | 2018-01-09 | 华能国际电力股份有限公司 | A kind of offshore wind power system with seabed compressed-air energy storage |
| WO2019075655A1 (en) * | 2017-10-18 | 2019-04-25 | 大连理工大学 | Single pile platform-based vertical axis wind turbine and vertical-horizontal bidirectional wave energy power generation integrated structure |
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| US4253032A (en) * | 1978-12-13 | 1981-02-24 | Lochner Johannes P A | Utilization of wave motion |
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| CN102345553A (en) * | 2011-10-15 | 2012-02-08 | 浙江大学舟山海洋研究中心 | Marine wave-energy power generating device |
| CN102506004A (en) * | 2011-11-01 | 2012-06-20 | 浙江大学 | Compressed air type energy accumulation stable power generation device adopting liquid piston |
| CN102506005A (en) * | 2011-11-17 | 2012-06-20 | 中国水利水电科学研究院 | Device and method for parametric resonance-based float-hydraulic wave energy power generation |
| CN102678431A (en) * | 2012-06-06 | 2012-09-19 | 浪能电力科研有限公司 | Wave energy conversion system |
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2014
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4253032A (en) * | 1978-12-13 | 1981-02-24 | Lochner Johannes P A | Utilization of wave motion |
| CN1717542A (en) * | 2002-10-10 | 2006-01-04 | 独立自然资源公司 | Sea wave energy converter |
| KR20070115733A (en) * | 2006-05-30 | 2007-12-06 | 김승수 | Power generation system using wind force, tide, oceanic current, and wave-force |
| CN102345553A (en) * | 2011-10-15 | 2012-02-08 | 浙江大学舟山海洋研究中心 | Marine wave-energy power generating device |
| CN102506004A (en) * | 2011-11-01 | 2012-06-20 | 浙江大学 | Compressed air type energy accumulation stable power generation device adopting liquid piston |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630787A (en) * | 2017-08-28 | 2018-01-26 | 西安理工大学 | A kind of floating marine wind power generation plant with constant pressure liquid energy storage |
| CN107630787B (en) * | 2017-08-28 | 2019-05-28 | 西安理工大学 | A kind of floating marine wind power generation plant with constant pressure liquid energy storage |
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| CN104533698A (en) | 2015-04-22 |
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Effective date of registration: 20171127 Address after: 518000 Guangdong Province, Shenzhen New District of Longhua City, Dalang street, Longsheng Gold Dragon Road community e-commerce incubator exhibition Tao Commercial Plaza E block 706 Patentee after: Shenzhen step Technology Transfer Center Co., Ltd. Address before: 710048 Shaanxi city of Xi'an Province Jinhua Road No. 5 Patentee before: Xi'an University of Technology |
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Effective date of registration: 20181205 Address after: 214026 Tiandi 27-9-1402, Xinghui, Shanghe Garden, Liangxi District, Wuxi City, Jiangsu Province Patentee after: Wuxi Tongchun New Energy Technology Co., Ltd. Address before: 518000 Guangdong Shenzhen Longhua New District big wave street Longsheng community Tenglong road gold rush e-commerce incubation base exhibition hall E commercial block 706 Patentee before: Shenzhen step Technology Transfer Center Co., Ltd. |