CN215804970U - Lightning protection lightning-receiving aluminum plate for wind power blade - Google Patents
Lightning protection lightning-receiving aluminum plate for wind power blade Download PDFInfo
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- CN215804970U CN215804970U CN202121299775.5U CN202121299775U CN215804970U CN 215804970 U CN215804970 U CN 215804970U CN 202121299775 U CN202121299775 U CN 202121299775U CN 215804970 U CN215804970 U CN 215804970U
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- lightning
- metal plate
- plate body
- receiving
- column
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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 lightning protection lightning connection metal plate for a wind power blade, which comprises a metal plate body, wherein the metal plate body is pre-buried in the wind power blade, the whole metal plate body is of a long-strip plate-shaped structure, two ends of the metal plate body are semicircular, a lightning connection column threaded connection hole penetrating through a plate body is formed in the upper end of the metal plate body, the lightning connection column threaded connection hole is centered on the left and right in the width direction and is used for being in threaded connection with a lightning connection column, the distance between the center of the lightning connection column threaded connection hole and the edge of the upper end of the metal plate body is not smaller than 23mm, and the aperture of the lightning connection column threaded connection hole is not smaller than 12 mm. Compared with the prior art, the lightning-protection lightning-receiving metal plate for the wind power blade has the advantages that the lightning-receiving column is arranged on the metal plate body and is connected with the lightning-receiving column in a threaded mode, the punching threads are larger, the lightning-receiving column and the lightning-receiving metal plate are more firmly installed, the lightning-receiving area is larger, the lightning-receiving effect is better, and the like.
Description
Technical Field
The utility model belongs to the technical field of wind power blade production and manufacturing, relates to a lightning protection lightning-receiving aluminum plate, and particularly relates to a lightning protection lightning-receiving aluminum plate for a wind power blade.
Background
Along with wind-powered electricity generation blade size's constantly increase and wind power generation complete machine customer requirement, the lightning protection requirement of blade is more and more high, general wind power generation's blade, receive the thunderbolt and produce blade structure's damage in order to prevent the operation in-process in the air, can set up several butt flashers at the apex of blade and blade body, this lightning arrester is at the inside pre-buried aluminum plate that connects of blade that sets up, set up the aluminium post that connects the lightning on the aluminum plate, the aluminium post that connects the lightning exposes the blade surface, become the part that connects the lightning, it passes through cable and flange joint to connect the aluminium plate that dodges, the thunder and lightning is through the part entering aluminum plate that connects the lightning, the leading-in cable of rethread aluminum plate that connects the lightning, the cable is again with the leading-in flange of lightning current. Finally, the lightning is released, and the damage of the lightning to the blades can be effectively reduced. The installation screw hole that present lightning protection connects on the sudden strain of a muscle aluminum plate is less, leads to connecing the sudden strain of a muscle aluminum post and connects the sudden strain of a muscle aluminum plate cooperation insecure, connects the sudden strain of a muscle area little, is unfavorable for the installation stability, is unfavorable for connecing the sudden strain of a muscle, connects the sudden strain of a muscle effectual.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects and defects that the existing lightning protection metal plate is small in punching size, so that the lightning protection metal plate is not firmly matched with a lightning protection post and is small in lightning protection area, the lightning protection metal plate provided by the utility model has the advantages that the punching thread is large, the lightning protection metal plate is firmer in installation of the lightning protection post and the lightning protection metal plate, the lightning protection lightning.
In order to solve the technical problem, the utility model adopts the technical scheme that:
a lightning protection lightning-proof metal plate of a wind power blade comprises a metal plate body, wherein the metal plate body is pre-embedded in the wind power blade,
the metal plate body is of a strip-shaped plate structure as a whole, two ends of the metal plate body are semicircular,
the upper end of metal sheet body is equipped with the connection of the column screw that dodges that runs through the plate body and connects the hole, the connection of the column screw that dodges connects the hole about width direction is placed in the middle, the connection of the column screw that dodges connects the hole and is used for threaded connection to connect the sudden strain of a muscle post, just the connection of the column screw that dodges connect the center that the hole with distance between the upper end edge of metal sheet body is not less than 23mm, the connection of the column screw that dodges connects the hole is not less than 12mm in aperture.
Preferably, the lower end of the metal plate body is provided with a cable connecting hole penetrating through the plate body, and the cable connecting hole is centered on the left and right in the width direction.
Preferably, the size of the lightning rod threaded socket is M24, M25, M27 or M30.
Preferably, the metal plate body is an aluminum plate, and the lightning receiving column is a lightning receiving aluminum column.
Compared with the prior art, the lightning-protection lightning-receiving metal plate for the wind power blade has the advantages that the lightning-receiving column is arranged on the metal plate body and is connected with the lightning-receiving column in a threaded mode, the punching threads are larger, the lightning-receiving column and the lightning-receiving metal plate are more firmly installed, the lightning-receiving area is larger, the lightning-receiving effect is better, and the like.
Drawings
Fig. 1 is a top view of the lightning protection lightning receiving metal plate of the wind power blade of the utility model.
FIG. 2 is a side view of the lightning protection lightning-receiving metal plate of the wind turbine blade of the present invention.
Description of reference numerals:
10-metal plate body, 11-lightning rod thread connecting hole, 12-cable connecting hole
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments, which are part of the present invention, are not all embodiments, and are intended to be illustrative of the present invention and should not be construed as limiting the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the lightning protection lightning connection metal plate for the wind power blade of the utility model comprises a metal plate body 10, wherein the metal plate body 10 is pre-buried inside the wind power blade, the whole metal plate body 10 is of a long strip-shaped plate structure, two ends of the metal plate body are semicircular, a lightning connection column threaded connection hole 11 penetrating through a plate body is arranged at the upper end of the metal plate body 10, the lightning connection column threaded connection hole 11 is centered on the left and right in the width direction, the lightning connection column threaded connection hole 11 is used for being in threaded connection with a lightning connection column, the distance between the center of the lightning connection column threaded connection hole 11 and the edge of the upper end of the metal plate body 10 is not less than 23mm, and the aperture of the lightning connection column threaded connection hole 11 is not less than 12 mm. Preferably, the lightning bolt threaded socket 11 is of size M24, M25, M27 or M30. More preferably, the size of the lightning bolt threaded connection hole 11 is M30. The lower end of the metal plate body 10 is provided with a cable connection hole 12 penetrating through the plate body, and the cable connection hole 12 is centered on the left and right in the width direction. The metal plate body 10 is an aluminum plate, and the lightning receiving column is a lightning receiving aluminum column.
According to the lightning-protection lightning-receiving metal plate for the wind power blade, provided by the utility model, the lightning-receiving column is arranged on the metal plate body and is in threaded connection with the lightning-receiving column, so that the lightning-receiving column and the lightning-receiving metal plate are more firmly installed, the lightning-receiving area is larger, the lightning-receiving effect is better and the like.
The object of the present invention is fully effectively achieved by the above embodiments. Those skilled in the art will appreciate that the present invention includes, but is not limited to, what is described in the accompanying drawings and the foregoing detailed description. While the utility model has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the utility model is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications within the spirit and scope of the appended claims.
Claims (4)
1. A lightning protection lightning-proof metal plate of a wind power blade comprises a metal plate body, wherein the metal plate body is pre-embedded in the wind power blade,
the metal plate body is of a strip-shaped plate structure as a whole, two ends of the metal plate body are semicircular,
the upper end of metal sheet body is equipped with the connection of the column screw that dodges that runs through the plate body and connects the hole, the connection of the column screw that dodges connects the hole about width direction is placed in the middle, the connection of the column screw that dodges connects the hole and is used for threaded connection to connect the sudden strain of a muscle post, just the connection of the column screw that dodges connect the center that the hole with distance between the upper end edge of metal sheet body is not less than 23mm, the connection of the column screw that dodges connects the hole is not less than 12mm in aperture.
2. The lightning protection lightning-protection metal plate for the wind power blade as claimed in claim 1, wherein a cable connecting hole penetrating through the plate body is formed in the lower end of the metal plate body, and the cable connecting hole is centered left and right in the width direction.
3. The wind turbine blade lightning protection lightning receptor metal sheet according to claim 1, wherein the size of the lightning receptor threaded connection hole is M24, M25, M27 or M30.
4. The lightning protection lightning-receiving metal plate for the wind power blade according to claim 1, wherein the metal plate body is an aluminum plate, and the lightning receiving column is a lightning receiving aluminum column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121299775.5U CN215804970U (en) | 2021-06-10 | 2021-06-10 | Lightning protection lightning-receiving aluminum plate for wind power blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121299775.5U CN215804970U (en) | 2021-06-10 | 2021-06-10 | Lightning protection lightning-receiving aluminum plate for wind power blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215804970U true CN215804970U (en) | 2022-02-11 |
Family
ID=80176058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121299775.5U Active CN215804970U (en) | 2021-06-10 | 2021-06-10 | Lightning protection lightning-receiving aluminum plate for wind power blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215804970U (en) |
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2021
- 2021-06-10 CN CN202121299775.5U patent/CN215804970U/en active Active
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