Blade lightning protection device

• Main Authors: LANG JIANBO, LAN ZHIHANG, QIN SHENGGUANG, TANG XIAOLONG, CONG RITAO, GAN HAOFU, LAN JUNYI, LI PEI
• Format: Patent
• Language: Chinese; English
• Published: 11.06.2024
• Subjects: BLASTING; HEATING; LIGHTING; MACHINES OR ENGINES FOR LIQUIDS; MECHANICAL ENGINEERING; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR; PRODUCING MECHANICAL POWER; WEAPONS; WIND MOTORS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS

The utility model relates to the technical field of wind driven generator lightning protection, and discloses a blade lightning protection device which comprises a support suitable for being connected with a variable pitch bearing mounting bolt of a wind driven generator; the elastic pressing pipe is connected with the bracket; the electric brush is connected with one end of the elastic pressing pipe, and the electric brush is suitable for being connected with a collecting ring of a blade of the wind driven generator in an abutting mode under the elastic force effect of the elastic pressing pipe; and one end of the grounding wire is connected with the electric brush, and the other end of the grounding wire is suitable for being connected with a hub of the wind driven generator. According to the utility model, the elastic pressure tube is arranged to replace a spring in the prior art, so that the elastic force of the elastic pressure tube is utilized to tightly attach the electric brush to the blade collector