LIGHTNING PROTECTION DEVICE FOR WIND TURBINE BLADES AND MOUNTING METHOD THEREFOR

WIPO Patent Application WO/2023/130424

A1

Disclosed is a lightning protection device for wind turbine blades, comprising lightning receivers and a lightning receiver base. Each lightning receiver comprises a connecting portion, a lightning receiving portion and a positioning portion, wherein the lightning receiving portion is used for receiving lightning, an external thread is provided on the surface of the connecting portion and used for being connected to the lightning receiver base, and the positioning portion is provided between the connecting portion and the lightning receiving portion, so that the positioning portion can be matched with the shape of a recessed portion in a threaded hole after the connecting portion is screwed into the threaded hole. The lightning receiver base is used for being connected to each lightning receiver and leading out lightning current received by each lightning receiver during lightning receiving, and comprises an insulating layer and at least one threaded hole, wherein the insulating layer is provided on the surface of the lightning receiver base, the at least one threaded hole is provided at the base surface of the lightning receiver base facing wind turbine blades, the length direction of the threaded hole is perpendicular to the base surface, the threaded hole is matched with the external thread, and the recessed portion capable of being matched with the shape of the positioning portion is provided at the end portion of the threaded hole close to the base surface.

JP6158100	An unusual grade judging system of an aerogenerator, or the unusual grade judging method of an aerogenerator
WO/2023/280838	WIND TURBINE BLADE HAVING AN ELECTRO-THERMAL SYSTEM
WO/2018/019349	WIND TURBINE BLADE HAVING A LIGHTNING TIP RECEPTOR

GONG SHICHANG (CN)
MA HAO (CN)
SUN JIANXU (CN)
BIAN JIAYAN (CN)
DONG ZHENHUA (CN)

PCT/CN2022/070923

July 13, 2023

January 10, 2022

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ENVISION ENERGY CO LTD (CN)

F03D80/30; F03D1/06

CN110454335A	2019-11-15
CN106626182A	2017-05-10
CN102918262A	2013-02-06
CN212838186U	2021-03-30
CN203022979U	2013-06-26
CN201679646U	2010-12-22
JP2017538255A	2017-12-21

SHANGHAI ZHISHENG INTELLECTUAL PROPERTY OFFICE (CN)

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