CN210265033U - Lightning protection device for wind generating set blade - Google Patents
Lightning protection device for wind generating set blade Download PDFInfo
- Publication number
- CN210265033U CN210265033U CN201921286812.1U CN201921286812U CN210265033U CN 210265033 U CN210265033 U CN 210265033U CN 201921286812 U CN201921286812 U CN 201921286812U CN 210265033 U CN210265033 U CN 210265033U
- Authority
- CN
- China
- Prior art keywords
- blade body
- fixing plate
- aluminum
- row
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Elimination Of Static Electricity (AREA)
- Wind Motors (AREA)
Abstract
The utility model discloses a lightning protection device for a wind generating set blade, which comprises a blade body, wherein a plurality of circles of aluminum grooves and fixing plate grooves are arranged on the outer side of the blade body, each circle of aluminum groove is in contact with the fixing plate groove, a fastening hole is reserved at the contact part, an aluminum row is arranged in the aluminum groove, the aluminum row is in a pipe hoop shape, two end plates are connected into a whole by fastening screws after being laminated, and a fixing plate is arranged in the fixing plate groove; the lightning arrester is arranged on the blade body and corresponds to the aluminum row, a grounding downlead is arranged inside the blade body, a conductive portion, located on the outer side of the blade body, of the lightning arrester is connected with the corresponding aluminum row, the lower end portion, located in the blade body, of the lightning arrester is connected with the grounding downlead, and the grounding downlead extends out of the root portion of the blade body and is connected with the grounding assembly. The utility model has the advantages of reasonable design, arrange groove, fixed plate groove through set up aluminium on the blade body and come fixed mounting aluminium row and fixed plate, the thunder and lightning area of connecing is big, avoids the unit blade to suffer the thunderbolt and damages.
Description
Technical Field
The utility model relates to a wind-powered electricity generation blade production technical field especially relates to a lightning protection device for wind generating set blade.
Background
Wind generating sets, particularly wind generating sets in areas with frequent thunderstorms such as coastal areas, mountains and islands, are often subjected to lightning strikes, and the lightning strikes cause fan failures, namely, the blades are damaged if the lightning strikes are light, and the blades are broken if the lightning strikes are heavy. The lightning stroke of the blade causes great threat to the safe and stable operation of the fan. The lightning protection measure of the existing wind power blade is that a lightning receptor is arranged at the tip part of the blade, a grounding downlead consisting of a section of cable is arranged on a girder inside the blade, the lightning receptor is connected with the grounding downlead, and the lightning current is transmitted to the ground through the grounding downlead through a hub, a cabin and a tower after the lightning current is received by the lightning receptor. However, the number of the blade lightning receptors is limited, so that the lightning receiving efficiency is greatly reduced, and the lightning stroke accidents of the fan blades cannot be effectively prevented.
Therefore, the patent specification with the publication number of CN207715307U discloses a lightning protection transformation device for a wind generating set blade, which comprises a blade body, wherein at least one lightning receptor is arranged on the blade body, the lower end of the lightning receptor is connected with a grounding down lead positioned on the blade body, the lower end of the grounding down lead extends out of the blade body and then is connected with the ground, an aluminum row connected with a conductive part of the lightning receptor is covered on the surface of the blade body, and the aluminum row is a conductive integrated structure composed of a longitudinal aluminum row body arranged along the length direction of the blade body and a transverse aluminum row body uniformly distributed on the longitudinal aluminum row body and vertically connected with the longitudinal aluminum row body. However, the lightning protection transformation device for the blades of the wind generating set has the defects that the structural design of the aluminum row is not reasonable enough, and the aluminum row is easy to fall off when the blades of the wind generating set rotate to work. Therefore, it is necessary to optimize and improve it.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned problem that exists among the conventional art, provide a lightning protection device for wind generating set blade.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a lightning protection device for a wind generating set blade comprises a blade body, wherein a plurality of circles of aluminum row grooves and a fixing plate groove distributed along the length direction of the blade body are arranged on the outer side of the blade body, each circle of aluminum row groove is in contact with the fixing plate groove, a fastening hole is reserved at the contact part of the aluminum row groove and the fixing plate groove, an aluminum row is installed in each aluminum row groove and is in a pipe hoop shape, two end plates are connected into a whole through a fastening screw after being laminated, a fixing plate is installed in each fixing plate groove, a plurality of fastening matching holes are formed in each fixing plate, and the fastening screws are screwed into the corresponding fastening holes through the fastening matching holes to connect the fixing plates, the aluminum rows and the blade body into a whole; be equipped with the arrester that corresponds with the aluminium row on the blade body, the inside of blade body is equipped with the ground connection downlead, the arrester is located the conductive part in the blade body outside and is connected with corresponding aluminium row, the arrester is located the lower tip in the blade body and is connected with the ground connection downlead, the ground connection downlead stretches out and links to each other with the ground connection subassembly from blade body root.
Further, in the lightning protection device for the wind generating set blade, the spacing between two adjacent circles of aluminum row grooves is 1.2-1.5 m.
Further, in the lightning protection device for the wind generating set blade, the thickness of the aluminum row is 0.8-1 cm.
Further, in the lightning protection device for the wind generating set blade, the depth of the aluminum row groove is slightly smaller than the thickness of the aluminum row.
Further, in the lightning protection device for the wind generating set blade, water-resistant glue is filled between the fixing plate and the blade body.
Further, in the lightning protection device for the wind generating set blade, the fixing plate is made of an epoxy insulating plate.
The utility model has the advantages that:
the utility model has the advantages of reasonable design, through set up aluminium row groove, fixed plate groove on the blade body come fixed mounting aluminium row and fixed plate, install aluminium row additional and carry out the lightning protection transformation to traditional wind generating set blade, the lightning connects the sudden strain of a muscle area big, guarantees that the unit blade can lead the thunder and lightning to the ground smoothly under thunderstorm weather, avoids the unit blade to suffer the thunderbolt and damages; the aluminum row is fixed reliably, and the aluminum row cannot fall off when the blades of the unit rotate to work, so that the service life is long.
Of course, it is not necessary for any product to achieve all of the above advantages simultaneously in practicing the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of the present invention;
fig. 2 is a schematic structural view of the aluminum row in the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-blade body, 2-aluminum row, 3-fastening screw, 4-fixing plate, 5-lightning receptor and 6-grounding down lead.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the embodiment is a lightning protection device for a wind turbine generator system blade, including a blade body 1, where a plurality of aluminum row grooves and a fixing plate groove distributed along a length direction of the blade body 1 are disposed on an outer side of the blade body 1, and each aluminum row groove contacts with the fixing plate groove and a fastening hole is reserved at a contact portion. An aluminum bar 2 is arranged in the aluminum bar groove, the aluminum bar 2 is in a pipe hoop shape, and the two end plates are connected into a whole by a fastening screw 3 after being laminated. Install fixed plate 4 in the fixed plate groove, seted up a plurality of fastening matching holes in fixed plate 4, fastening screw 3 is through the corresponding fastening hole of fastening matching hole screw in, even as an organic whole fixed plate 4, aluminium row 2 and blade body 1. Be equipped with the arrester 5 that corresponds with aluminium row 2 on the blade body 1, the inside of blade body 1 is equipped with ground connection downlead 6, and the conducting part that the arrester 5 is located the blade body 1 outside is connected with corresponding aluminium row 2, and the lower tip that the arrester 5 is located blade body 1 is connected with ground connection downlead 6, and ground connection downlead 6 stretches out and links to each other with the ground connection subassembly from the blade body 1 root.
In the embodiment, the distance between two adjacent circles of aluminum row grooves is 1.2-1.5 m. The thickness of the aluminum row 2 is 0.8-1cm, and the width of the aluminum row 2 is 2-3 cm. The depth of the aluminum row groove is slightly smaller than the thickness of the aluminum row 2.
In this embodiment, the water-resistant glue is filled between the fixing plate 4 and the blade body 1. The fixing plate 4 is made of an epoxy insulating plate. The width of the fixing plate 4 is 2-3 cm.
One specific application of this embodiment is: the blade body 1 is provided with the aluminum row grooves and the fixing plate grooves to fixedly install the aluminum row 2 and the fixing plate 4, and the aluminum row 2 is additionally installed to carry out lightning protection transformation on the traditional wind generating set blade, so that the lightning receiving area is large, the unit blade can be ensured to smoothly lead lightning to the ground in thunderstorm weather, and the unit blade is prevented from being damaged by lightning; the aluminum row 2 is fixed reliably, and the aluminum row cannot fall off when the blades of the unit rotate to work, so that the service life is long.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a lightning protection device for wind generating set blade, includes the blade body, its characterized in that: the outer side of the blade body is provided with a plurality of circles of aluminum row grooves and a fixing plate groove distributed along the length direction of the blade body, each circle of aluminum row groove is in contact with the fixing plate groove, a fastening hole is reserved at the contact part, an aluminum row is installed in each aluminum row groove, each aluminum row is in a pipe hoop shape, two end plates are connected into a whole through a fastening screw after being laminated, a fixing plate is installed in each fixing plate groove, a plurality of fastening matching holes are formed in each fixing plate, and the fastening screws are screwed into the corresponding fastening holes through the fastening matching holes to connect the fixing plate, the aluminum rows and the blade body into a whole; be equipped with the arrester that corresponds with the aluminium row on the blade body, the inside of blade body is equipped with the ground connection downlead, the arrester is located the conductive part in the blade body outside and is connected with corresponding aluminium row, the arrester is located the lower tip in the blade body and is connected with the ground connection downlead, the ground connection downlead stretches out and links to each other with the ground connection subassembly from blade body root.
2. The lightning protection device for a wind turbine blade according to claim 1, characterized in that: the space between two adjacent circles of aluminum row grooves is 1.2-1.5 m.
3. The lightning protection device for a wind turbine blade according to claim 1, characterized in that: the thickness of the aluminum row is 0.8-1 cm.
4. The lightning protection device for a wind turbine blade according to claim 3, characterized in that: the depth of the aluminum row groove is slightly smaller than the thickness of the aluminum row.
5. The lightning protection device for a wind turbine blade according to claim 1, characterized in that: and water-resistant glue is filled between the fixing plate and the blade body.
6. The lightning protection device for a wind turbine blade according to claim 1, characterized in that: the fixing plate is made of an epoxy insulating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921286812.1U CN210265033U (en) | 2019-08-09 | 2019-08-09 | Lightning protection device for wind generating set blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921286812.1U CN210265033U (en) | 2019-08-09 | 2019-08-09 | Lightning protection device for wind generating set blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210265033U true CN210265033U (en) | 2020-04-07 |
Family
ID=70016718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921286812.1U Active CN210265033U (en) | 2019-08-09 | 2019-08-09 | Lightning protection device for wind generating set blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210265033U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483335A (en) * | 2020-11-20 | 2021-03-12 | 江苏双瑞风电叶片有限公司 | Lightning protection assembly for wind power blade root and installation method thereof |
| CN113958467A (en) * | 2021-09-13 | 2022-01-21 | 中国船舶重工集团海装风电股份有限公司 | Lightning protection lightning receiving combination device for wind turbine generator blade |
-
2019
- 2019-08-09 CN CN201921286812.1U patent/CN210265033U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483335A (en) * | 2020-11-20 | 2021-03-12 | 江苏双瑞风电叶片有限公司 | Lightning protection assembly for wind power blade root and installation method thereof |
| CN112483335B (en) * | 2020-11-20 | 2024-04-12 | 江苏双瑞风电叶片有限公司 | Lightning protection assembly for wind power blade root and installation method thereof |
| CN113958467A (en) * | 2021-09-13 | 2022-01-21 | 中国船舶重工集团海装风电股份有限公司 | Lightning protection lightning receiving combination device for wind turbine generator blade |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4580169B2 (en) | Split blade for windmill and lightning protection device for windmill | |
| CN210265033U (en) | Lightning protection device for wind generating set blade | |
| EP2019204A1 (en) | Wind turbine protection | |
| CN109185033B (en) | Offshore tidal wind power generation device and power generation method | |
| EP3093487A1 (en) | Lightning protection system for wind turbine rotor blades | |
| CN203098162U (en) | Wind turbine blade lightning arrester | |
| CN203925891U (en) | Grid type lightning protection device for wind generating set blade | |
| CN212106146U (en) | Lightning protection system of wind generating set blade metal counter weight thing | |
| CN207715307U (en) | A kind of wind generator set blade Lightning Transformation device | |
| CN201367982Y (en) | Down-wind type large wind-driven generator with horizontal shaft and lightning arrester | |
| CN206790419U (en) | A kind of outdoor use lightning protection solar panels | |
| CN103527421B (en) | Blade lightning protection device of offshore wind generating set | |
| CN215890331U (en) | Novel wind generating set blade direct lightning protection device | |
| CN202850563U (en) | Electric pole | |
| CN220815908U (en) | Wind power generation lightning arrester adopting polyurethane insulating material | |
| CN201828581U (en) | Cage type high-voltage lead for testing line arrester | |
| DK200800942A (en) | Wind turbine protection | |
| CN214035974U (en) | Wind power generation lightning-protection tower installation mechanism | |
| JP2005351204A (en) | Split type blade for wind mill, and thunder-proof device of wind mill | |
| CN218882439U (en) | Lightning protection grounding mechanism for wind power generation | |
| CN201650618U (en) | Lightning protection device of blade hub of wind driven generator | |
| CN219974697U (en) | Wind power blade lightning arrester with branch structure | |
| CN201106533Y (en) | Tower barrel structure of wind generator set installed with enclosed busbar | |
| CN210598358U (en) | Wind-solar power generation communication tower | |
| CN218206907U (en) | Novel wind-powered electricity generation blade of lightning protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |