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智能制造网> 全部分类> 智能控制> 传感器> 光电传感器

更新时间：2023-03-12 返回产品中心
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光电传感器

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光电传感器新闻

HOT光电传感器输出状态NPN和PNP的区别

1、PNP与NPN型传感器其实就是利用三极管的饱和和截止，输出两种状态，属于开关型传感器。但输出信号是截然相反的，即高电平和低电平。NPN输出是低电平0，PNP输出的是高电平1。PNP与NPN型传感器【详情】

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T P PID CID TID SORT FldSort PriceStart PriceEnd PBID K JustPC PP 提交
[{"ID":"11489490","PsOrder":"3088","CompanyID":"169984","Name":"施克光电传感器,SICK性能参数","PgID":"88","City":"上海市","Address":"","Price":"0","Picture":"2/20220728/637945980061584096532.jpg","PictureDomain":"img69","ClientSort":"0","Sort":"0","IsShow":"1","HitNumber":"588","MarketPrice":"-1","UpdateTime":"2023/3/12 18:26:48","CreateTime":"2022/7/28 9:42:13","ClassName":"光电传感器","IsCharges":"1","StandUrl":"/st169984","Flag":"1","CompanyName":"上海乾拓贸易有限公司","Descrip":"施克光电传感器,SICK性能参数
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，简称对射式光电开关。它的检测距离可达几米乃至几十米。使用时把发光器和收光器分别装在检测物通过路径的两侧，检测物通过时阻挡光路，收光器就动作输出一个开关控制信号。","ClassID":"4136","Type":"GTE6-N1212","Year":"6"},{"ID":"11306478","PsOrder":"3088","CompanyID":"169984","Name":"松下Panasonic光电传感器具有以下","PgID":"88","City":"上海市","Address":"","Price":"0","Picture":"2/20220426/637865835958855308452.jpg","PictureDomain":"img80","ClientSort":"0","Sort":"0","IsShow":"1","HitNumber":"621","MarketPrice":"-1","UpdateTime":"2023/3/12 15:18:37","CreateTime":"2022/4/26 16:26:00","ClassName":"光电传感器","IsCharges":"1","StandUrl":"/st169984","Flag":"1","CompanyName":"上海乾拓贸易有限公司","Descrip":"松下Panasonic光电传感器具有以下
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组成槽形光电。发光器能发出红外光或可见光，在无阻情况下光接收器能收到光。但当被检测物体从槽中通过时，光被遮挡，光电开关便动作，输出一个开关控制信号，切断或接通负载电流，从而完成一次控制动作。槽形开关的检测距离因为受整体结构的限制一般只有几厘米。","ClassID":"4136","Type":"NX5-M30A","Year":"6"},{"ID":"11179995","PsOrder":"3088","CompanyID":"169984","Name":"概述TURCK对射式传感器,图尔克效果图","PgID":"88","City":"上海市","Address":"","Price":"0","Picture":"2/20220316/637830337924466725690.jpg","PictureDomain":"img72","ClientSort":"0","Sort":"0","IsShow":"1","HitNumber":"616","MarketPrice":"-1","UpdateTime":"2023/3/12 14:35:43","CreateTime":"2022/3/16 13:27:47","ClassName":"光电传感器","IsCharges":"1","StandUrl":"/st169984","Flag":"1","CompanyName":"上海乾拓贸易有限公司","Descrip":"概述TURCK对射式传感器,图尔克效果图
把发光器和收光器装入同一个装置内，在前方装一块反光板，利用反射原理完成光电控制作用，称为反光板反射式(或反射镜反射式)光电开关。正常情况下，发光器发出的光源被反光板反射回来再被收光器收到;一旦被检测物挡住光路，收光器收不到光时，光电开关就动作，输出一个开关控制信号。","ClassID":"4136","Type":"RO20m-BT18-VP6X2-H1141","Year":"6"},{"ID":"10996421","PsOrder":"3088","CompanyID":"169984","Name":"西克SICK光电传感器操作简便","PgID":"88","City":"上海市","Address":"","Price":"0","Picture":"2/20211105/637717066716756115559.jpg","PictureDomain":"img80","ClientSort":"0","Sort":"0","IsShow":"1","HitNumber":"678","MarketPrice":"-1","UpdateTime":"2023/3/12 9:05:51","CreateTime":"2021/11/5 11:01:08","ClassName":"光电传感器","IsCharges":"1","StandUrl":"/st169984","Flag":"1","CompanyName":"上海乾拓贸易有限公司","Descrip":"西克SICK光电传感器操作简便
通常把光电效应分为3 类：（1 ）在光线作用下能使电子溢出物体表面的现象称为外光电效应，如光电管、光电倍增管等；（2 ）在光线作用下能使物体的电阻率改变的现象称为内光电效应，如光敏电阻、光敏晶体管等；（3 ）在光线作用下，物体产生一定方向电动势的现象称为光生伏应，如光电池等。","ClassID":"4136","Type":"WL100-2N1429","Year":"6"},{"ID":"10990845","PsOrder":"3088","CompanyID":"169984","Name":"Panasonic小型光电传感器PDF资料","PgID":"88","City":"上海市","Address":"","Price":"0","Picture":"2/20211029/637711144256075005869.jpg","PictureDomain":"img78","ClientSort":"0","Sort":"0","IsShow":"1","HitNumber":"540","MarketPrice":"-1","UpdateTime":"2023/3/12 8:40:18","CreateTime":"2021/10/29 14:29:28","ClassName":"光电传感器","IsCharges":"1","StandUrl":"/st169984","Flag":"1","CompanyName":"上海乾拓贸易有限公司","Descrip":"Panasonic小型光电传感器PDF资料
内置偏极滤光器，就连镜面体亦可稳定检测。
自动防干扰功能、可以2台传感器可紧贴安装
使用便于对准光轴的红色光束型产品，可进行长度为5m的长距离检测。亦可满足横向宽度较宽的自动卷帘门的需求。","ClassID":"4136","Type":"CX-491","Year":"6"}]