Lightning protection device for fan blade and installation method of lightning protection device

A technology of wind turbine blades and lightning protection devices, which is applied to the assembly of wind turbines, wind turbines, engines, etc., and can solve problems such as damage to blades, mis-opening holes, and difficulty in accurate positioning

Pending Publication Date: 2022-05-10
YUANJIAN WIND POWER JIANGYINENVISION ENERGY CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this lightning protection device still has certain defects, mainly because it is often difficult to achieve accurate positioning of the

Method used

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  • Lightning protection device for fan blade and installation method of lightning protection device
  • Lightning protection device for fan blade and installation method of lightning protection device
  • Lightning protection device for fan blade and installation method of lightning protection device

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Embodiment Construction

[0049] In the following description, the present invention is described with reference to various examples. One skilled in the art will recognize, however, that the various embodiments may be practiced without one or more of the specific details, or with other alternative and / or additional methods, materials, or components. In other instances, well-known structures, materials, or operations are not shown or described in detail so as not to obscure the inventive concepts of the present invention. Similarly, for purposes of explanation, specific quantities, materials and configurations are set forth in order to provide a thorough understanding of embodiments of the invention. However, the invention is not limited to these specific details. Furthermore, it should be understood that the embodiments shown in the drawings are illustrative representations and are not necessarily drawn to correct scale.

[0050]In this specification, reference to "one embodiment" or "the embodiment"...

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Abstract

The invention discloses a lightning protection device for a fan blade. The lightning protection device comprises a lightning arrester and a lightning arrester base. Wherein the lightning arrester comprises a connecting part, a lightning arresting part and a positioning part, the lightning arresting part is used for leading lightning, the surface of the connecting part is provided with external threads and used for being connected with the lightning arrester base, and the positioning part is arranged between the connecting part and the lightning arresting part, so that the positioning part can be matched with the shape of the concave part in the threaded hole after the connecting part is screwed into the threaded hole. The lightning arrester base is used for being connected with a lightning arrester and leading out lightning current received by the lightning arrester during lightning leading and comprises an insulating layer and at least one threaded hole, the insulating layer is arranged on the surface of the lightning arrester base, and the at least one threaded hole is formed in the base surface, facing a fan blade, of the lightning arrester base. The length direction of the threaded hole is perpendicular to the surface of the base, the threaded hole is matched with the external threads, and the end, close to the surface of the base, of the threaded hole is provided with a concave part matched with the positioning part in shape.

Description

technical field [0001] The invention relates to the technical field of wind power, in particular to a lightning protection device for fan blades and an installation method thereof. Background technique [0002] With the development of wind power technology, the stand-alone capacity of wind turbines continues to expand. In order to meet the ever-expanding capacity of a single unit, the blades of the fan are also increasing in height, which in turn makes the overall height of the wind power generating set also increase continuously. At present, the height of the top of the fan blades is generally about hundreds of meters, and the highest can even reach 200 meters. In addition, due to the distribution of wind resources, wind farms are generally located on high mountains or open coastal areas or seas. Therefore, wind turbines have become protruding objects in these areas due to their height, and are therefore vulnerable to lightning strikes. If proper lightning protection meas...

Claims

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Application Information

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IPC IPC(8): F03D80/30F03D13/10
CPCF03D80/30F03D13/10Y02E10/72Y02P70/50
Inventor 巩世昌马豪孙建旭边佳燕董振华
Owner YUANJIAN WIND POWER JIANGYINENVISION ENERGY CO LTD
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