State Grid Henan Electric Power Research Institute

Weipo Liu

Donghui Wang

Guangzhou Wang

Degui Yao

Songyang Zhang

Zhuangzhuang Zhang

Zhongbin Lv

Leilei Wang

Xing Guo

Xu Tian

Jinfeng Geng

Yuan Li

A soundproof door system includes a chute; a door body, where a bottom of the door body is inserted into the chute and able to slide along the chute; a first roller disposed on the bottom of the door body and supported on a bottom wall of the chute; a first soundproof plate provided with a first end connected to the door body and a second end abutting against an inner wall of the chute; a second soundproof plate provided with a third end connected to the door body and a fourth end abutting against the inner wall of the chute; and the first end and the third end are respectively located on two sides of the door body, and the second end and the fourth end are respectively located on both sides of the door body.

Soundproof door system

Growing community of inventors

Henan, China

Weipo Liu