Research and fabrication of reflective sub miniature photoelectric encoder

CHEN Yun; GAO Shengying; ZHANG Xi; HAN Qingyang

doi:10.13873/J.1000-9787(2019)09-0102-03

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Research and fabrication of reflective sub miniature photoelectric encoder

更新时间：2025-09-11

- Research and fabrication of reflective sub miniature photoelectric encoder
- Vol. 38, Issue 9, Pages: 102-104(2019)
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2019)09-0102-03
  CLC： TH741.2
- Published：2019
- 稿件说明：
移动端阅览
[1]陈赟,高胜英,张晰,韩庆阳.反射式超小型光电编码器研制[J].传感器与微系统,2019,38(09):102-104.

CHEN Yun, GAO Shengying, ZHANG Xi, et al. Research and fabrication of reflective sub miniature photoelectric encoder[J]. 2019, 38(9): 102-104.
[1]陈赟,高胜英,张晰,韩庆阳.反射式超小型光电编码器研制[J].传感器与微系统,2019,38(09):102-104. DOI： 10.13873/J.1000-9787(2019)09-0102-03.

CHEN Yun, GAO Shengying, ZHANG Xi, et al. Research and fabrication of reflective sub miniature photoelectric encoder[J]. 2019, 38(9): 102-104. DOI： 10.13873/J.1000-9787(2019)09-0102-03.

摘要

为了满足光电编码器的小型化、重量轻和高精度、高分辨率的技术要求

本文研制了反射式超小尺寸光电编码器。首先

提出利用反射式的光电信号识取方式

减少码盘码道数

从而减小体积

优化结构

同时给出反射式超小型光电编码器的总体设计;其次

针对单零点增量式寻零效率低

提出采用多零点准绝对式的编码方式

利用32位的ARM实现光电信号的采集与处理

并通过RS422传输角度信息;最后

使用自准直平行光管和12面体检测精度。实验结果表明:该编码器的分辨率为19. 78″（16位）

精度σ=21. 37″

尺寸26 mm×26 mm

重量仅为19 g。

Abstract

In order to satisfy technical requirement of miniaturization

light weight

high precision and high resolution ratio of photoelectric encoder

a reflective sub miniature photoelectric encoder is researched and fabricated. First of all

the reflective photoelectric signal picking mode is employed to reduce code number of code disc

so as to decrease size and optimize structure

and overall design of reflective sub-miniature photoelectric encoder at the same time. Secondly

aiming at low efficiency of finding zero

multiple zeros quasi-absolute coding scheme is proposed. The 32 bit ARM is used

acquisition and processing of photoelectric signal and the angle information is transmitted by RS—422. Finally

autocollimation and 12 surfaces polyhedron are used to test the precision. The results show that the resolution is 19. 78″（ 16 bit）

the precision is 21. 37″（ σ）

the size is 26 mm ×26 mm

the weight is only 19 g.

关键词

Keywords

references

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