Human body induction switch
Patent Information
- Application Number
- CN202522085286.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-26
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-09-26
AI Technical Summary
[0003]目前,人体感应开关在走廊、阳台、车库入口等半户外开放环境中得到了广泛应用,这类环境中的灰尘、雨露、飞虫等污染物极易附着于感应开关的探测透镜表面,长期积累会导致透光率下降,感应灵敏度显著降低
[0014]本实用新型通过实用呈弧形的透镜,有效限制了红外信号的接收角度。相较于传统半球形透镜会无差别地接收来自上下左右各个方向的信号,本设计的弧面能够显著屏蔽来自透镜上方和下方的非人体热源辐射;如发热的吊顶灯具、旋转的吊扇、地面爬行的宠物等;这一特性从物理结构上减少了误触发的可能性,大大提升了人体感应开关在复杂环境中的抗干扰能力和检测准确性。
Smart Images

Figure CN224697741U_ABST
Abstract
Claims
1. A human body induction switch, characterized in that, The device includes a back cover and a light-transmitting front cover; a receiving space is formed between the front cover and the back cover; a human body sensing module is provided in the receiving space, and a lens is provided on the signal receiving side of the human body sensing module; the lens is arc-shaped and is rotatably disposed within the receiving space along its circumference; one of the convex sidewalls of the lens abuts against the inner wall of the front cover, and the front cover has a through hole for the lens to be exposed; a cleaning component for cleaning the lens is embedded in the inner wall of the front cover, and a driving component for driving the lens is also provided in the receiving space.
2. The human body sensor switch according to claim 1, characterized in that, The inner wall of the front cover is arc-shaped and coaxial with the lens.
3. The human body sensor switch according to claim 1, characterized in that, The cleaning assembly includes a support block and a wiping cloth; a mounting groove is vertically provided on the inner wall of the front cover, the support block is disposed in the mounting groove, and the wiping cloth is fixed on the side wall of the support block opposite to the lens; an elastic element is provided between the support block and the bottom wall of the mounting groove to provide a horizontal clamping force to the support block.
4. The human body sensor switch according to claim 2, characterized in that, The support block has a side wall opposite to the lens with a clearance slope to avoid the lens.
5. The human body sensor switch according to claim 1, characterized in that, The driving component is a self-driven rotating shaft; the self-driven rotating shaft is vertically located behind the human body sensing module, and a connecting rod connecting it to the lens is provided on the self-driven rotating shaft.
6. The human body sensor switch according to claim 5, characterized in that, Two mounting plates are provided on the inner wall of the side opposite to the front cover of the rear cover; the self-driving shaft is located between the two mounting plates; the human body sensing module is fixed to the front end of the mounting plate.
7. The human body sensor switch according to claim 6, characterized in that, There are two connecting rods, which are respectively located at the upper and lower ends of the self-driving shaft, and the human body sensing module is located between the two connecting rods.