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Wind power blade lightning protection system and lightning protection wind power blade

A technology for wind power blades and lightning protection systems, which is applied in wind power generation, wind turbines, wind turbines, etc. in the same direction as the wind, can solve the problems of sudden change in down-conductor resistance and damage to the metal mesh at the connection, so as to reduce damage and increase. The effect of large contact area and reduction of mutation degree

Active Publication Date: 2021-04-20
ZHUZHOU TIMES NEW MATERIALS TECH
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  • Abstract
  • Description
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Problems solved by technology

[0005] The main purpose of the present invention is to provide a lightning protection system for wind power blades and lightning protection wind power blades, to at least solve the problem that there is a large resistance mutation between the metal mesh and the down conductor of the existing wind power blades using the metal mesh lightning protection system, which is easy to cause The problem of damage to the metal mesh near the connection

Method used

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  • Wind power blade lightning protection system and lightning protection wind power blade
  • Wind power blade lightning protection system and lightning protection wind power blade
  • Wind power blade lightning protection system and lightning protection wind power blade

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Embodiment Construction

[0025] In order to facilitate the understanding of the present invention, the present invention will be described more fully and in detail below in conjunction with the accompanying drawings and preferred embodiments, but the protection scope of the present invention is not limited to the following specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0026] Unless otherwise defined, all technical terms used hereinafter have the same meanings as commonly understood by those skilled in the art. "First", "second" and similar words used in the patent application specification and claims of the present invention do not indicate any order, quantity or importance, but are only for the convenience of distinguishing corresponding components. Likewise, words like "a" or "one" do not indicate a limitation of quantity, but indicate that there is at least on...

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Abstract

The invention discloses a wind power blade lightning protection system and a lightning protection wind power blade. The wind power blade lightning protection system comprises a metal net laid on the surface of the wind power blade, the metal net is connected with a down lead, the down lead is connected with a whole machine lightning protection system of a wind power generator, multiple layers of additional metal nets are overlapped on the metal net, metal belts are clamped between the metal net and the additional metal nets and between the adjacent layers of additional metal nets, and the multiple metal belts extend into a cavity of the wind power blade to be twisted into a strand and then connected with the down lead. According to the wind turbine blade lightning protection system and the lightning protection wind turbine blade, the sudden change degree of resistance from the metal nets to the metal belts can be reduced, and thus damage of lightning current to the metal nets in the area near the connecting position of the metal belts is reduced in the process that the lightning current is conducted to the down lead from the metal nets.

Description

technical field [0001] The present invention relates to the technical field of lightning protection for wind power blades. Specifically, it relates to a lightning protection system for wind power blades and a lightning protection wind power blade. Background technique [0002] At present, the blades of wind turbines all include a lightning protection system. The lightning protection system is mainly composed of lightning receptors installed on the surface of the blade and wires inside the blade body. All lightning receptors are connected to wires. The air-termination device receives lightning and is connected to the lightning protection system of the entire machine through wires, thereby preventing the fiberglass fiber reinforced plastics of the blade body from being struck by lightning. [0003] With the advancement of blade technology, especially the use of carbon fiber blades, metal mesh is more and more used in the blade lightning protection system. By laying metal mesh ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D80/30F03D1/06
CPCY02E10/72
Inventor 胡杰桦肖琼易礼毅梁鹏程杨军彭超义冯学斌彭勃谭龙凡盛
Owner ZHUZHOU TIMES NEW MATERIALS TECH
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