摘要
本文主要介绍了一种被动式红外探测器的结构原理及其应用电路,此电路具有一定的实际应用价值。该类型控制电路的核心器件为热释电红外传感器,并且主要利用了它的红外辐射和红外探测的特性。这种电路把红外线的隐蔽性很好地应用于报警系统之中,从而实现了防盗报警功能,达到了安全防护之目的。
This paper introduced the structure theory and application circuit of a passive-type pyroelectric infrared detector.This circuit possesses certain practical application value.The core part of this type control circuit is pyroelectric infrared sensor,which mainly uses its infrared radiation and infrared detection characteristic.This circuit uses the hidden nature of infrared to the warning systems.Thus,it realizes the function of burglar alarm and achieves the purpose of security protection.
出处
《办公自动化》
2013年第12期34-36,共3页
Office Informatization
关键词
热释电红外传感器
电压比较器
高低通滤波电路
红外探测器
Pyroelectric infrared sensors Voltage comparator High-pass and Low-pass filter Infrared detector
