Street lamp lampshade waterproof device

• Main Authors: XING DINGGANG, WEN XINGANG, LIU LIJUN
• Format: Patent
• Language: Chinese; English
• Published: 29.12.2020
• Subjects: BLASTING; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO USESOR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS; LIGHTING; MECHANICAL ENGINEERING; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; WEAPONS

The street lamp lampshade waterproof device comprises a lampshade, a circuit board and an LED lamp panel are arranged in the lampshade, heat dissipation holes are formed in the side wall of the lampshade, a waterproof cylinder is arranged at the top of the lampshade, a waterproof plate is arranged at the top of the waterproof cylinder, a through hole is formed in the middle of the waterproof plate, a waterproof elastic film is arranged at the through hole, and a balance switch comprises a balance block. A balance plate is rotationally connected to the balance block, a spring is connected between the bottom of one side of the balance plate and the top of the lampshade, an upper electrode is arranged at the bottom of the other side of the balance plate, a lower electrode located under the upper electrode is arranged on the lampshade, the upper electrode and the lower electrode are connected with an air cylinder through wires, and a connecting rod is arranged at the top of the air cylinder. The two ends of the c