Lens capable of improving light utilization rate

• Main Author: WANG CHAOJUN
• Format: Patent
• Language: Chinese; English
• Published: 29.07.2022
• Subjects: BLASTING; CLEANING; CLEANING IN GENERAL; 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; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PREVENTION OF FOULING IN GENERAL; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; TRANSPORTING; WEAPONS

The utility model relates to the technical field of lenses, and discloses a lens capable of improving light utilization rate, which comprises a substrate, an LED lamp, a lampshade and a lens, dustproof mechanisms are respectively arranged on two sides of the lampshade close to the top end, and dismounting mechanisms are respectively arranged on two ends of the lampshade close to the middle section; the dustproof mechanism comprises a motor, a partition box, a rotating shaft, a fan, a plate groove, a fixing plate, a vent hole and an air guide plate, the output end of the motor is fixedly installed at one end of the rotating shaft, the rotating shaft penetrates through the fixing plate, the outer wall of the rotating shaft is rotationally connected with the fixing plate through a bearing, and the fan is fixedly installed on the outer wall of the rotating shaft. The fan can generate air when rotating, then the air is guided by the air guide plate, the air is blown to the surface of the lens, air flow always exis