CN102661240A - Wind wheel vane anti-lightning device for wind generating set and mounting method thereof - Google Patents
Wind wheel vane anti-lightning device for wind generating set and mounting method thereof Download PDFInfo
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- CN102661240A CN102661240A CN2012101531583A CN201210153158A CN102661240A CN 102661240 A CN102661240 A CN 102661240A CN 2012101531583 A CN2012101531583 A CN 2012101531583A CN 201210153158 A CN201210153158 A CN 201210153158A CN 102661240 A CN102661240 A CN 102661240A
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- wind
- wheel blade
- wind wheel
- protection device
- lightning protection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/30—Lightning protection
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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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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a wind wheel vane anti-lightning device for a wind generating set and a mounting method of the anti-lightning device. A main beam of the wind wheel vane adopts carbon fiber reinforced composite material, an air-termination system is embedded in a wind wheel vane casing of the non-main-beam area, and the air-termination system is grounded through a conducting wire in a wind wheel vane inner cavity; a conductive shunting strip is fixed on the outer surface of the wind wheel vane and is connected with the air-termination system by a nut. According to the wind wheel vane anti-lightning device, the conductive shunting strip is arranged on the outer surface of the wind wheel vane, the area of the protection zone of the wind wheel vane anti-lightning device can be improved, the air termination effect is good, and the wind wheel vane anti-lightning device is applicable to the wind generating set of which the main beam of the wind wheel vane is made of the carbon fiber reinforced composite material.
Description
Technical field
The present invention relates to wind power generating set lighting protection device field, particularly, relate to a kind of wind-driven generator group wind-wheel blade lightning protection device and installation method thereof.
Background technique
Along with the development of modern wind generation technology, the single-machine capacity of wind-powered electricity generation unit is increasing, and tower tube height and rotor diameter constantly increase, and has increased the danger that wind wheel blade is struck by lightning, especially in southwest China thunderstorm prone areas.Traditional wind wheel blade lightning-protection system is employed in blade tip and blade immovable point more and arranges that metal through lead ground connection connects the flash-point mode and prevents that blade is struck by lightning.This traditional Lightning Protection has the sudden strain of a muscle of connecing weak effect, and anti-thunderbolt protection is little to get shortcoming, but can satisfy the lightning protection requirement of general full glass fibre reinforced composion wind wheel blade basically.
Big MW level (3MW and more than) wind power generating set adopts carbon fibre reinforced composite to make the wind wheel blade girder more; The electric conductivity of carbon fibre reinforced composite obviously is superior to glass fibre reinforced composion relatively, and traditional lighting protection device can not satisfy the lightning protection requirement of this kind blade.
Summary of the invention
To the problems referred to above; The wind-driven generator group wind-wheel blade lightning protection device that the present invention provides a kind of girder to adopt carbon fibre reinforced composite to make; Purpose is to improve the protected zone area of blade lightning protection device, prevents to cause blade thunderbolt damage by the good electric conductivity of carbon fibre reinforced composite.
Another object of the present invention is to provide the installation method of above-mentioned lighting protection device.
To achieve these goals, the present invention adopts following technological scheme:
A kind of wind-driven generator group wind-wheel blade lightning protection device, the girder of said wind wheel blade adopts carbon fibre reinforced composite, in the wind wheel blade housing in non-girder zone, is embedded with arrester, and arrester is through being arranged in the lead ground connection of wind wheel blade inner chamber; And on the outer surface of said wind wheel blade, be fixed with conduction shunting band, conduction shunting band is connected with arrester through nut.
Further, said conduction shunting band is followed successively by by upper surface to lower surface: conductive aluminum foil layer, epoxy resin layer and unsaturated polyester adhesive tape layer, and lower surface and wind wheel blade outer surface are bonding.
Further, said conduction shunting band is across the girder of wind wheel blade.
Further, said arrester is arranged in the wind wheel blade housing of conduction shunting with an end, and is connected with an end of conduction shunting band.
Further, the arrester that is connected with an end of said and conduction shunting is near the trailing edge of wind wheel blade.
Further, be provided with a plurality of arresters in every side body of said wind wheel blade, bilateral symmetry distributes, and said conduction shunting has a plurality of, and is corresponding one by one with a plurality of arresters, and the conduction shunting that is positioned at two side same positions of wind wheel blade is with and is not overlapped.
Further, the said a plurality of conduction shunting bands that are positioned at the every side body outer surface of wind wheel blade axially evenly are provided with along wind wheel blade side by side.
Further, said lead is through wheel hub ground connection.
Further, said lead is connected ground connection through the blade root metal flange with wheel hub.
The installation method of above-mentioned wind-driven generator group wind-wheel blade lightning protection device comprises the steps:
(1) arrester is pre-buried in the wind wheel blade housing in non-girder zone, and one-body molded with the wind wheel blade housing;
(2) before the wind wheel blade matched moulds is bonding, through the lead that is arranged in the wind wheel blade inner chamber arrester is connected with the blade root metal flange, through wheel hub ground connection;
(3) after the wind wheel blade molding, spray paint before, the shunting band of will conducting electricity sticks on the wind wheel blade outer surface, sticking area must be across the girder of carbon fibre reinforced composite, and the conduction shunting that is positioned at two side same positions of wind wheel blade must not be with and overlapped;
(4) will conduct electricity shunting band through nut fixes with arrester;
(5) lighting protection device installation.
Compared with prior art, the present invention has following beneficial effect:
The present invention is through being provided with conduction shunting band at the wind wheel blade outer surface; Can improve the protected zone area of wind wheel blade lighting protection device; Connect and dodge effectively, be applicable to and adopt carbon fibre reinforced composite as the big MW level of wind wheel blade girder (3MW and more than) wind power generating set.
Through accompanying drawing and embodiment, technological scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is the wind generating set structure schematic representation;
Fig. 2 is the wind wheel blade structural representation of band lighting protection device;
Fig. 3 is the A-A sectional view among Fig. 2;
Fig. 4 is the partial enlarged drawing at the B position among Fig. 3;
Fig. 5 is the basic structure schematic representation of conduction shunting band.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
Wind-driven generator group wind-wheel blade lightning protection device of the present invention is applicable to that mainly the wind wheel blade 1 of wind power generating set as shown in Figure 1 adopts the situation of carbon fibre reinforced composite as girder.
Like Fig. 2,3,4, shown in 5; Wind-driven generator group wind-wheel blade lightning protection device of the present invention; In wind wheel blade 1 housing in non-girder 4 zones, be embedded with arrester 2, arrester 2 is connected with the blade root metal flange through the lead 5 that is arranged in wind wheel blade 1 inner chamber, through wheel hub ground connection; And be fixed with conduction shunting on the outer surface of wind wheel blade 1 and be with 3, the conduction shunting is with 3 to be followed successively by by upper surface to lower surface: conductive aluminum foil layer 7, epoxy resin layer 8 and unsaturated polyester adhesive tape layer 9, and lower surface and wind wheel blade 1 outer surface are bonding.Conduct electricity shunting with 3 girders 4 across wind wheel blade 1, and arrester 2 is arranged in wind wheel blade 1 housing of conduction shunting with 3 one ends, and near the trailing edge position of wind wheel blade 1, and arrester 2 is fixedly connected through nut 6 with the end that conduction is shunted with 3.
In the above-described embodiments; All can be provided with a plurality of arresters 2 in every side body of wind wheel blade 1, bilateral symmetry distributes, the conduction shunting be with 3 have a plurality of; Corresponding one by one with a plurality of arresters 2, and the conduction shunting that is positioned at 1 two side same positions of wind wheel blade is with 3 not overlap.The a plurality of conduction shuntings that are positioned at wind wheel blade 1 every side body outer surface are with 3 can axially evenly be provided with side by side along wind wheel blade 1.
The installation method of above-mentioned wind-driven generator group wind-wheel blade lightning protection device comprises the steps:
(1) arrester is pre-buried in the wind wheel blade housing in non-girder zone, and one-body molded with the wind wheel blade housing;
(2) before the wind wheel blade matched moulds is bonding, through the lead that is arranged in the wind wheel blade inner chamber arrester is connected with the blade root metal flange, through wheel hub ground connection;
(3) after the wind wheel blade molding, spray paint before, the shunting band of will conducting electricity sticks on the wind wheel blade outer surface, sticking area must be across the girder of carbon fibre reinforced composite, and the conduction shunting that is positioned at two side same positions of wind wheel blade must not be with and overlapped;
(4) will conduct electricity shunting band through nut fixes with arrester;
(5) lighting protection device installation.
What should explain at last is: the above is merely the preferred embodiments of the present invention; Be not limited to the present invention; Although the present invention has been carried out detailed explanation with reference to previous embodiment; For a person skilled in the art, it still can be made amendment to the technological scheme that previous embodiment is put down in writing, and perhaps part technical characteristics wherein is equal to replacement.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. wind-driven generator group wind-wheel blade lightning protection device; It is characterized in that; The girder of said wind wheel blade adopts carbon fibre reinforced composite, in the wind wheel blade housing in non-girder zone, is embedded with arrester, and arrester is through being arranged in the lead ground connection of wind wheel blade inner chamber; And on the outer surface of said wind wheel blade, be fixed with conduction shunting band, conduction shunting band is connected with arrester through nut.
2. wind-driven generator group wind-wheel blade lightning protection device according to claim 1; It is characterized in that; Said conduction shunting band is followed successively by by upper surface to lower surface: conductive aluminum foil layer, epoxy resin layer and unsaturated polyester adhesive tape layer, and lower surface and wind wheel blade outer surface are bonding.
3. wind-driven generator group wind-wheel blade lightning protection device according to claim 1 and 2 is characterized in that, said conduction shunting band is across the girder of wind wheel blade.
4. wind-driven generator group wind-wheel blade lightning protection device according to claim 3 is characterized in that, said arrester is arranged in the wind wheel blade housing of conduction shunting with an end, and is connected with an end of conduction shunting band.
5. wind-driven generator group wind-wheel blade lightning protection device according to claim 4 is characterized in that, the arrester that said and conduction shunting are connected with an end is near the trailing edge of wind wheel blade.
6. wind-driven generator group wind-wheel blade lightning protection device according to claim 3; It is characterized in that; Be provided with a plurality of arresters in every side body of said wind wheel blade, bilateral symmetry distributes, and said conduction shunting has a plurality of; Corresponding one by one with a plurality of arresters, and the conduction shunting band that is positioned at two side same positions of wind wheel blade does not overlap.
7. wind-driven generator group wind-wheel blade lightning protection device according to claim 6 is characterized in that, the said a plurality of conduction shunting bands that are positioned at the every side body outer surface of wind wheel blade axially evenly are provided with along wind wheel blade side by side.
8. wind-driven generator group wind-wheel blade lightning protection device according to claim 1 is characterized in that, said lead is through wheel hub ground connection.
9. wind-driven generator group wind-wheel blade lightning protection device according to claim 8 is characterized in that, said lead is connected ground connection through the blade root metal flange with wheel hub.
10. according to the installation method of each described wind-driven generator group wind-wheel blade lightning protection device of claim 1-9, it is characterized in that, comprise the steps:
(1) arrester is pre-buried in the wind wheel blade housing in non-girder zone, and one-body molded with the wind wheel blade housing;
(2) before the wind wheel blade matched moulds is bonding, through the lead that is arranged in the wind wheel blade inner chamber arrester is connected with the blade root metal flange, through wheel hub ground connection;
(3) after the wind wheel blade molding, spray paint before, the shunting band of will conducting electricity sticks on the wind wheel blade outer surface, sticking area must be across the girder of carbon fibre reinforced composite, and the conduction shunting that is positioned at two side same positions of wind wheel blade must not be with and overlapped;
(4) will conduct electricity shunting band through nut fixes with arrester;
(5) lighting protection device installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101531583A CN102661240A (en) | 2012-05-16 | 2012-05-16 | Wind wheel vane anti-lightning device for wind generating set and mounting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101531583A CN102661240A (en) | 2012-05-16 | 2012-05-16 | Wind wheel vane anti-lightning device for wind generating set and mounting method thereof |
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| CN102661240A true CN102661240A (en) | 2012-09-12 |
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| CN2012101531583A Pending CN102661240A (en) | 2012-05-16 | 2012-05-16 | Wind wheel vane anti-lightning device for wind generating set and mounting method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015074576A1 (en) * | 2013-11-22 | 2015-05-28 | 北京金风科创风电设备有限公司 | Lightning protection device, direct-drive wind turbine generator system and lightning protection method thereof |
| CN106025803A (en) * | 2016-07-04 | 2016-10-12 | 北京乾源风电科技有限公司 | Novel lightning strip |
| WO2017129686A3 (en) * | 2016-01-29 | 2018-01-18 | Wobben Properties Gmbh | Spar cap and production method |
| TWI618855B (en) * | 2015-08-24 | 2018-03-21 | Hitachi Ltd | Wind power plant |
| EP3401542A1 (en) * | 2017-05-10 | 2018-11-14 | Wichita State University | Multilayer coverings to protect surfaces from lightning strikes |
| WO2019038223A1 (en) * | 2017-08-25 | 2019-02-28 | Wobben Properties Gmbh | Wind-turbine rotor blade and lightning protection system for a wind-turbine rotor blade |
| CN110234871A (en) * | 2017-01-24 | 2019-09-13 | 西门子歌美飒可再生能源公司 | Lightning protection device |
| CN112360681A (en) * | 2020-10-29 | 2021-02-12 | 中材科技（邯郸）风电叶片有限公司 | Wind power blade and production process |
| CN112796935A (en) * | 2021-03-25 | 2021-05-14 | 中材科技风电叶片股份有限公司 | Wind power blade |
| CN112901429A (en) * | 2021-03-23 | 2021-06-04 | 国电联合动力技术(保定)有限公司 | Carbon fiber girder lightning arrester and maintenance method |
| CN114131317A (en) * | 2022-01-12 | 2022-03-04 | 连云港中复连众复合材料集团有限公司 | Installation method of lightning receptor of wind power blade |
| US11820916B2 (en) | 2020-05-29 | 2023-11-21 | Wichita State University | Composite article with lightning strike protection and method and release film for forming same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317072A (en) * | 1998-09-09 | 2001-10-10 | Lm玻璃纤维制品有限公司 | Lightning protection for wind turbine blade |
| WO2001077527A1 (en) * | 2000-04-10 | 2001-10-18 | Jomitek Aps | Lightning protection system for, e.g., a wind turbine, wind turbine blade having a lightning protection system, method of creating a lightning protection system and use thereof |
| CN1867772A (en) * | 2003-09-15 | 2006-11-22 | Lm玻璃纤维有限公司 | Method of lightning proofing a blade for a wind-energy plant |
| CN101094986A (en) * | 2004-11-11 | 2007-12-26 | 歌美飒风电有限公司 | Lightning conductor system for wind generator blades comprising carbon fibre laminates |
| CN101354016A (en) * | 2007-07-24 | 2009-01-28 | 通用电气公司 | Wind turbine protection |
| CN201679646U (en) * | 2010-03-22 | 2010-12-22 | 国电联合动力技术(连云港)有限公司 | Lightning shielding receiver of lightning shielding system of fan blade |
| CN202645840U (en) * | 2012-05-16 | 2013-01-02 | 国电联合动力技术有限公司 | Wind wheel blade lightning-prevention device of wind generating unit |
-
2012
- 2012-05-16 CN CN2012101531583A patent/CN102661240A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317072A (en) * | 1998-09-09 | 2001-10-10 | Lm玻璃纤维制品有限公司 | Lightning protection for wind turbine blade |
| WO2001077527A1 (en) * | 2000-04-10 | 2001-10-18 | Jomitek Aps | Lightning protection system for, e.g., a wind turbine, wind turbine blade having a lightning protection system, method of creating a lightning protection system and use thereof |
| CN1867772A (en) * | 2003-09-15 | 2006-11-22 | Lm玻璃纤维有限公司 | Method of lightning proofing a blade for a wind-energy plant |
| CN101094986A (en) * | 2004-11-11 | 2007-12-26 | 歌美飒风电有限公司 | Lightning conductor system for wind generator blades comprising carbon fibre laminates |
| CN101354016A (en) * | 2007-07-24 | 2009-01-28 | 通用电气公司 | Wind turbine protection |
| CN201679646U (en) * | 2010-03-22 | 2010-12-22 | 国电联合动力技术(连云港)有限公司 | Lightning shielding receiver of lightning shielding system of fan blade |
| CN202645840U (en) * | 2012-05-16 | 2013-01-02 | 国电联合动力技术有限公司 | Wind wheel blade lightning-prevention device of wind generating unit |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015074576A1 (en) * | 2013-11-22 | 2015-05-28 | 北京金风科创风电设备有限公司 | Lightning protection device, direct-drive wind turbine generator system and lightning protection method thereof |
| EA033610B1 (en) * | 2013-11-22 | 2019-11-08 | Beijing Goldwind Science & Creation Windpower Equipment Co Ltd | Lightning protection device, direct-drive wind turbine generator system and lightning protection method thereof |
| US10612525B2 (en) | 2013-11-22 | 2020-04-07 | Beijing Goldwind Science & Creation Windpower | Lightning protection device, direct-drive wind turbine generator system and lightning protection method thereof |
| TWI618855B (en) * | 2015-08-24 | 2018-03-21 | Hitachi Ltd | Wind power plant |
| US10914285B2 (en) | 2016-01-29 | 2021-02-09 | Wobben Properties Gmbh | Spar cap and production method |
| WO2017129686A3 (en) * | 2016-01-29 | 2018-01-18 | Wobben Properties Gmbh | Spar cap and production method |
| EP3408532B1 (en) | 2016-01-29 | 2022-12-28 | Wobben Properties GmbH | Rotor blade of wind turbine comprising a spar cap and production method |
| CN106025803A (en) * | 2016-07-04 | 2016-10-12 | 北京乾源风电科技有限公司 | Novel lightning strip |
| CN110234871A (en) * | 2017-01-24 | 2019-09-13 | 西门子歌美飒可再生能源公司 | Lightning protection device |
| US11118571B2 (en) | 2017-01-24 | 2021-09-14 | Siemens Gamesa Renewable Energy A/S | Lightning protection arrangement |
| US11174846B2 (en) | 2017-05-10 | 2021-11-16 | Wichita State University | Multilayer coverings to protect surfaces from lightning strikes |
| EP3401542A1 (en) * | 2017-05-10 | 2018-11-14 | Wichita State University | Multilayer coverings to protect surfaces from lightning strikes |
| US11703034B2 (en) | 2017-05-10 | 2023-07-18 | Wichita State University | Multilayer coverings to protect surfaces from lightning strikes |
| JP2020529547A (en) * | 2017-08-25 | 2020-10-08 | ヴォッベン プロパティーズ ゲーエムベーハー | Wind Turbine Rotor Blades and Wind Turbine Rotor Blade Lightning Protection Systems |
| WO2019038223A1 (en) * | 2017-08-25 | 2019-02-28 | Wobben Properties Gmbh | Wind-turbine rotor blade and lightning protection system for a wind-turbine rotor blade |
| US11286912B2 (en) | 2017-08-25 | 2022-03-29 | Wobben Properties Gmbh | Wind turbine rotor blade and lightning protection system for a wind turbine rotor blade |
| US11820916B2 (en) | 2020-05-29 | 2023-11-21 | Wichita State University | Composite article with lightning strike protection and method and release film for forming same |
| CN112360681A (en) * | 2020-10-29 | 2021-02-12 | 中材科技（邯郸）风电叶片有限公司 | Wind power blade and production process |
| CN112901429A (en) * | 2021-03-23 | 2021-06-04 | 国电联合动力技术(保定)有限公司 | Carbon fiber girder lightning arrester and maintenance method |
| CN112796935A (en) * | 2021-03-25 | 2021-05-14 | 中材科技风电叶片股份有限公司 | Wind power blade |
| CN112796935B (en) * | 2021-03-25 | 2022-08-30 | 中材科技风电叶片股份有限公司 | Wind power blade |
| CN114131317A (en) * | 2022-01-12 | 2022-03-04 | 连云港中复连众复合材料集团有限公司 | Installation method of lightning receptor of wind power blade |
| CN114131317B (en) * | 2022-01-12 | 2022-11-29 | 连云港中复连众复合材料集团有限公司 | Installation method of lightning receptor of wind power blade |
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Application publication date: 20120912 |