Burglar alarm system is to prevent the important facility of robbery, theft and other accidents. In case of emergency, you can through the sound and light alarm signal accurately show the scene of the accident, in the security control center to facilitate rapid emergency measures. Anti-theft alarm system and access control systems, closed-circuit television monitoring system, visitors intercom system and electronic patrolling system together constitute the safety and protection system.
Security alarm system usually consists of: detector (alarm), the transmission channel and alarm controller of three parts.
Alarm detector is composed of sensors and signal processing, to detect intruders behavior, composed of electronic and mechanical components of device, is the key to security alarm system, the core of the sensor is alarm detector element. A different principle of sensors is proposed, which can form different types, different USES, reach the purpose of different detection alarm detection device.