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热释电红外传感器应用须注意的事项
热释电红外传感器应用须注意的事项
被动式热释电红外探头的优缺点:   优点:   本身不发任何类型的辐射,器件功耗很小,隐蔽性好。价格低廉。   缺点:  1、容易受各种热源、光源干扰   2、被动红外穿透力差,人体的红外辐射容易被遮挡,不易被探头接收。   3、易受射频辐射的干扰。   4、环境温度和人体温度接近时,探测和灵敏度明显下降,有时造成短时……
Industry information|2022-07-01
鑫永诚PIR厂家简述热释电红外传感器不得不注意的5个应用注意事项
鑫永诚PIR厂家简述热释电红外传感器不得不注意的5个应用注意事项
被动式PIR热释电红外传感器的工作原理与特性   人体都有恒定的体温,一般在37度,所以会发出特定波长10UM左右的红外线,被动式红外探头就是靠探测人体发射的10UM左右的红外线而进行工作的。人体发射的10UM左右的红外线通过菲泥尔滤光片增强后聚集到红外感应源上。红外感应源通常采用热释电元件,这种元件在接收到人体红外辐……
Industry information|2022-07-01
深圳传感器生产厂家简释:热释电红外传感器原理
深圳传感器生产厂家简释:热释电红外传感器原理
随着社会的发展,各种方便于生活的自动控制系统开始进入了人们的生活,以热释电红外传感器为核心的自动门系统就是其中之一。 热释电红外传感器是基于热电效应原理的热电型红外传感器。其内部的热电元由高热电系数的铁钛酸铅汞陶瓷以及钽酸锂、硫酸三甘铁等配合虑光镜片窗口组成,其极化随温度的变化而变化。热释电红外传感器由传感探……
Industry information|2022-06-27
ALS环境光传感器、可见光传感器、贴片光敏采购及使用注意事项
ALS环境光传感器、可见光传感器、贴片光敏采购及使用注意事项
使用注意事项Precautions ……
Industry information|2022-06-21
ALS环境光传感器、可见光传感器、贴片光敏工作原理及产品推荐
ALS环境光传感器、可见光传感器、贴片光敏工作原理及产品推荐
ALS环境光传感器可以感知周围光线情况,并告知处理芯片自动调节显示器背光亮度,降低产品的功耗。例如,在手机、笔记本、平板电脑等移动应用中,显示器消耗的电量高达电池总电量的30%,采用环境光传感器可以最大限度地延长电池的工作时间。另一方面,ALS环境光传感器有助于显示器提供柔和的画面。当环境亮度较高时,使用ALS环境光传感器的液晶显示器会自动调成高亮度。当外界环境较暗时,显示器就会调成低亮度。 ALS环境光传感器具有暗电流小,低照度响应,灵敏度高,电流随光照度增强呈线性变化等特性;内置
Industry information|2022-06-20
Basic knowledge of photosensitive resistance
Basic knowledge of photosensitive resistance
Slip resistance briefly describe the slice fixed resistor, directly translated from Chip Fixed Resistor, commonly known as a SMD Resistor, a kind of metal glass uranium resistor. It is mixed with metal powder and glass uranium to print the resistor made on the substrate by screen printing. Moisture resistance, high tem……
Industry information|2021-07-12
Newopto .: 0805 SMD Photomotentiki, Patch Flow in Infrared Tube, Instructions for Instructions
Newopto .: 0805 SMD Photomotentiki, Patch Flow in Infrared Tube, Instructions for Instructions
Precautions for cutting and bending infrared lamps. 1. Because the infrared lamp beads in the R \\u0026 D scheme need to be curved, it is necessary to ensure that the address of the infrared lamp bend is 3 mm from the colloid. Second, the bending of the infrared lamp bend should be completed before welding. Third, the ……
Industry information|2021-04-07
Newopto .: The use of photosensitive resistance
Newopto .: The use of photosensitive resistance
Release sensor (PIR). Here is to introduce the use of photosensitive resistors. Photomic resistance (LDR) or photoconductors are substantially made from cadmium sulfide, selenium, aluminum sulfide, thiol, thiol sulfide. Some materials have the characteristics of the rapid ring ratio of the electrical resistance at a pa……
Industry information|2021-04-05
Newopto: explains the classification and advantages of patch resistance
Newopto: explains the classification and advantages of patch resistance
A sort of. It is mixed with metal powder and glass uranium to print the resistor made on the substrate by screen printing. Moisture resistance, high temperature, small temperature coefficient. (Note: The following slice fixed resistors are called a patch resistor) Patch resistor is divided into the following categories……
Industry information|2021-04-04
Newopto: Product Knowledge on Patch Resistance
Newopto: Product Knowledge on Patch Resistance
Xin Yongcheng Optoelectronics Co., Ltd .: About product knowledge of patch resistors We often say the patch resistor (SMDRESistor) called: thick film fixed resistors (slice fixed resistors), commonly known as patch resistors. According to the production process, two types of thick film and film are divided. The thick f……
Industry information|2021-04-03
Newopto: How to buy a patch diode and a triode?
Newopto: How to buy a patch diode and a triode?
Xin Yongcheng Optoelectronics Co., Ltd .: How to choose a patch diode and a triode: a selection of a patch diode and a patch triode. There are several main problems in the patch triode application: one is the past habitual use of through holes, how to find the corresponding sheet-like triode; the second is not availabl……
Industry information|2021-04-03
Newopto: Infrared Receiver Head, Infrared Tube, Infrared Receiver and Infrared Tube
Newopto: Infrared Receiver Head, Infrared Tube, Infrared Receiver and Infrared Tube
Shenzhen Xinongcheng Optoelectronics Technology Co., Ltd. is a company engaged in the design and sales of photosensitizers and application products, and is committed to the production and sales of R \\u0026 D photosensitive devices. Products are widely used in security monitoring, optical sensing and touch control mark……
Industry information|2021-03-25
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