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Beijing Railway Station is a national railway transportation hub. It is the station and leaders at all levels (Road Bureau, Municipal Government, Ministry of Railways) to keep abreast of the real-time situation of public areas such as waiting rooms, squares, and platforms in the station at any time, especially the passenger flow during major holidays. The amount is very large. In the event of a major danger, leaders at all levels need to see the video images remotely and implement remote command and control. However, the original station’s monitoring system was an analog system, and the video images could not be transmitted to the remote end through the network. Beijing China Railway Yi’an Company and Beijing Advanced Video Technology Co., Ltd. jointly carried out the transformation on the basis of the existing system, and realized the remote video based on the broadband network. surveillance system. The image can be output from the original switching matrix to the AV1500 network video server, and directly transmitted to the central server and various monitoring workstations (remote computers) through the IP network. Leaders at all levels can conduct real-time on-site monitoring of public areas in the station on their office computers , And can remotely control the switching matrix to select the images of other lenses, and record related image data, which is helpful to grasp the flow of people in the station at any time, deal with various emergencies in time, and quickly grasp the first-hand criminal evidence materials. The order management played a positive role.
This project consists of three parts: front-end equipment, central server, and monitoring workstation (client).
The video surveillance system transformation program provided by Beijing Advanced Video Co., Ltd. utilizes the existing network system and uses the AV1500e network video server to connect to the existing IP network without the need to re-lay all kinds of cables. The original CCTV video images can be connected The realization of long-distance transmission is a typical example of the transformation of analog closed-circuit television monitoring system, which has realized the upgrade of analog CCTV to remote network video system.
Topology diagram of system structure:
Front-end equipment The front-end core equipment is the AV1500e network video server, and the connection method is as follows:
1) Select the 10 channels of video output from the original switch matrix to connect to 10 AV1500 devices, and the 1500 network interface to connect to the station’s local area network.
2) One of the AV1500e’s 485 interface is connected to a PC, and the PC is connected to the original switching matrix, the purpose of which is to realize remote control of the switching matrix.
monitoring Center:
The monitoring center sets up a main server and installs the software of the AVinfo nDVR monitoring system server, including the database system. The server manages all front-end network video servers and front-end monitoring equipment, and maintains the network connection with them; at the same time, it realizes authorization management for all users in the network, and all users can log in to the server system through any computer on the Internet. Permission to monitor, query, video playback, etc. of images.
The server also serves as a storage system for video data, and the storage capacity can be configured as required. A computer can be set up in the monitoring center as a client, and at the same time as a system administrator user, to manage the equipment and users in the system, including the maintenance and management of video data.
On the computer of the client network, the user only needs to install the AVinfo nDVR client software, and the system administrator provides the legal identity to log in to the server and the system use authority to become the client.
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