Air matter level sensor's sharp optical module structure

The utility model discloses an air matter level sensor's sharp optical module structure, it is including body, laser diode, speculum and collector lens, the inside shaping holding chamber of body, thefront end of this body pass through establish one with the communicating perforation in holding chamber, laser diode sets up in holding chamber one side, the speculum is relative with collector lensto be set up at the holding intracavity, and the top at the laser diode transmitting terminal is installed to the speculum. 本实用新型揭示种空气质量传感器的激光模组结构，其包括有本体、激光二极管、反射镜和聚光透镜，所述本体内部成型容置腔，该本体的前端贯设与容置腔相通的穿孔，所述激光二极管设置在容置腔侧，所述反射镜与聚光透镜相对设置在容置腔内，反射镜装设在激光二极管发射端的上方。