元器件知识:激光传感器与光电传感器的区别

Release time:2023-06-06
author:AMEYA360
source:网络
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  一、原理

  光电传感器是通过将光强度的变化转化为电信号的变化来控制的。激光传感器首先通过激光发送二极管,对准目标发送激光脉冲。激光通过目标反射向各个方向传输。一些漫射光返回到传感器接收器,被光学系统接收,显像到山崩光电二极管,转换为相应的电信号。

元器件知识:激光传感器与光电传感器的区别

  二、灯源

  光电传感器的光源可以看到红光和红外线,但激光传感器使用激光设备来测量传感器。这里的区别是红光和红外光点大,间距越远,不利于检测小物体,激光传感器光源是激光,光源会随着距离而变化,激光和普通区别是激光光点很小,间距越远,光点会扩大,但变化很小,人眼看不见,所以人们通常说激光光源不会扩大。

  三、运用

  激光传感器主要用于物体检测、到位、定位、记数、凸凹、正反等服务,广泛应用于包装、电子等领域。光电传感器用于物位检测、液位控制、商品记数、总宽度识别、速度检测、定长切割、孔眼识别、信号延迟、感应门传感、色标验证、冲床、切断机及其安全防范等行业。此外,红外线的秘密也可以用于银行、仓库、商店、办公室和其他必要的地方。

  四、成本

  激光传感器也是一种光电传感器。由于光源不同,制造成本不同,激光传感器与光电传感器不同。

  激光传感器

  使用激光设备测量的传感器。它由激光、激光探测器和测量电路组成。激光传感器是一种新型检测仪器,具有速度快、精度高、范围大、抗光、电干扰能力强等特点。

  光电传感器

  光电传感器是一种将光信号转换为电信号的装置。其工作原理是基于光电效应。光电效应是指当光照射在某些物质上时,物质的电子吸收光子的能量,产生相应的电效应。根据光电效应现象的不同,光电效应分为外光电效应、内光电效应和光生伏特效应三类。光电设备包括光电管、光电倍增管、光敏电阻、光敏二极管、光敏三极管、光电池等。阐述了光电设备的性能和特性曲线。

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