A reflective optical encoder

By introducing a pressing component and a knob component into the reflective photoelectric encoder, the problems of limited operation and space occupation are solved, achieving multi-functional operation and convenient installation.

CN224535115UActive Publication Date: 2026-07-21SOUNDWELL ELECTRONICS PROD GUANGDONG
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SOUNDWELL ELECTRONICS PROD GUANGDONG
Filing Date
2025-06-30
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing reflective photoelectric encoders have a single operation mode, and multi-functional products require multiple encoders, which increases assembly space and is inconvenient for users.

Method used

A reflective photoelectric encoder was designed, which combines a pressing component and a knob component. The signal generated by the reflective photoelectric switch is blocked by a light-shielding part, realizing the multi-functional operation of the knob and button. The simple structure makes it easy to install and disassemble.

Benefits of technology

It achieves multi-functional operation, saves installation space, is easy for users to use, and has a simple structure that makes it easy to install and disassemble.

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Abstract

The utility model belongs to encoder technical field discloses a reflection type photoelectric encoder, including pressing subassembly, knob subassembly and circuit board. Pressing subassembly includes button, face shell and light guide plate, and light guide plate sets up in one side of face shell, and button is installed in one side of face shell back to light guide plate. Knob subassembly includes base and knob, and base is connected in one side of face shell towards light guide plate, and knob rotation is connected in one side of base towards light guide plate, and is provided with shading portion on the knob. Circuit board sets up between light guide plate and knob, and one side of circuit board towards knob is provided with reflection type photoelectric switch, and shading portion can shelter reflection type photoelectric switch, and rotates the knob, will rotate to the position of shading cloth with reflection type photoelectric switch, makes shading portion shelter reflection type photoelectric switch, to produce signal. One side of circuit board towards light guide plate is provided with press switch, and button can pass through face shell and light guide plate and press switch and abuts.
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