The CCTV surveillance system is an intelligent security system with strong defense capabilities and a wide range of uses. In the monitoring and protection of the home, many people use the closed-circuit television monitoring system, which is an important part of the intelligent community security system.
The CCTV surveillance system can directly observe all the conditions of the monitored place through the remote control camera and its auxiliary equipment. And the actions and sounds of the monitored place can be transmitted to the information monitoring center at the same time, and the condition of the monitored area is clear at a glance.
(1) Image acquisition system
The front-end equipment is mainly responsible for the collection of video signals. The main equipment includes surveillance cameras, monitors, and protective covers.
(2) Alarm system
The alarm system of CCTV surveillance system is mainly responsible for rapid response to possible emergencies. The main equipment includes double-check detectors, glass-break alarms, vibration detection alarms, emergency buttons, alarm hosts, sound and light alarm devices, etc.
(3) Back-end equipment
The function of the back-end equipment of the CCTV surveillance system is to process the signals collected by the front-end. It mainly includes video signal switching, display, recording and processing; the back-end equipment mainly includes hard disk of digital surveillance for video recording system, display, integrated management platform, alarm host, etc.
(4) Transmission system
The intermediate transmission part is an important part of the CCTV surveillance system, and the selection of the transmission equipment that transmits the video signal and the alarm signal is related to the transmission quality of the signal.