Anatomical security monitoring system function and its specific division

Presentation layer, control layer Security monitoring equipment can be seen everywhere. Public places, communities, banks and even some companies, as an emerging industry that people are increasingly attaching importance to and flourishing, the application of security monitoring has become more and more widely used. In view of this, in order to Let engineers and users have more consistent understanding when they talk about the security monitoring system. Here we will sort out the division of the security monitoring system.

For the security monitoring system, according to the different functions of each part of the system, we divide the entire security monitoring system into seven layers of presentation, control, processing, transmission, execution, support, and acquisition layers. Of course, due to the increasing integration of devices, for some systems, some devices may exist in the system as multiple layers at the same time.

One: The presentation of the performance layer is the most intuitive to us. It shows the quality of the entire security monitoring system. Such as monitoring video wall, monitors, high pitch alarm horns, automatic alarm answering calls, etc. belong to this layer.

Two: The control layer The control layer is the core of the entire security monitoring system. It is the most clear embodiment of the system's technological level. Usually we have two kinds of analog control and digital control. Analog control is an early control method. The console is usually composed of a controller or an analog control matrix and is suitable for a small local security monitoring system. This control method has a lower cost and a lower failure rate. However, for medium and large security monitoring systems, this approach is complicated to operate and does not have any price advantage. At this time, we are more sensible choice should be digital control. The digital control is the control core of the industrial control computer as a monitoring system. It transforms the complex analog control operation into a simple mouse click operation, reduces the huge analog controller stack to an industrial control computer, and changes the complex and huge number of control cables. For a serial phone line. It turns the remote monitoring into facts and provides possibilities for remote monitoring of the Internet. However, the digital control is not so perfect, the price of controlling the host computer is very expensive, the module is wasted, the system may have a crisis of collapse across the board, the control is lagging behind and other issues still exist.

Third, the processing layer processing layer may be referred to as audio and video processing layer, it will have the transmission layer audio and video signals sent to the distribution, amplification, segmentation and other processing, the organic presentation layer and control layer to be connected. Audio and video distributors, audio and video amplifiers, video splitters, audio and video switchers, and so on all fall into this category.