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    光电传感器

    什么是光电传感器?

    光电传感器是各种光电检测系统中实现光电转换的关键元件,它是把光信号(可见及紫外镭射光)转变成为电信号的器件。

    光电传感器的用途

    光电式传感器是以光电器件作为转换元件的传感器。它可用于检测直接引起光量变化的非电物理量,如光强、光照度、辐射测温、气体成分分析等;也可用来检测能转换成光量变化的其他非电量,如零件直径、表面粗糙度、应变、位移、振动、速度、加速度,以及物体的形状、工作状态的识别等。光电式传感器具有非接触、响应快、性能可靠等特点,因此在工业自动化装置和机器人中获得广泛应用。

    光电传感器的分类

    按检测目标物体方法分为:

    • 透射式(吸收式):是指被测物体放在光路中,恒光源发出的光能量穿过被测物,部份被吸收后,透射光投射到光电元件上。
    • 漫反射式:是指恒光源发出的光投射到被测物上,再从被测物体表面反射后投射到光电元件上。
    • 遮光式(光束阻档):是指当光源发出的光通量经被测物光遮其中一部份,使投射到光电元件上的光通量改变,改变的程度与被测物体在光路位置有关。

    按工作方式分为:

    • 槽型光电传感器:把一个光发射器和一个接收器面对面地装在一个槽的两侧的是槽形光电。
    • 对射型光电传感器:若把发光器和收光器分离开,就可使检测距离加大,由一个发光器和一个收光器组成的光电开关就称为对射分离式光电开关。
    • 反光板型光电开关:把发光器和收光器装入同一个装置内,在它的前方装一块反光板,利用反射原理完成光电控制作用的称为反光板反射式(或反射镜反射式)光电开关。
    • 扩散反射型光电开关:它的检测头里也装有一个发光器和一个收光器,但前方没有反光板。

    RS 欧时为您提供了不同品牌的光电传感器,如SickOmronBannerTelemecanique SensorsRS PRO等多款不同规格、型号的产品供您挑选,从而满足不同的应用场景需求。

    欢迎查看和订购欧时电子的光电传感器及相关产品,订购现货24小时内发货,线上下单满额免运费。

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