Safe Campus Network Video Surveillance and Alarm Technology Analysis
2020-05-28 14:24:23
At present, many domestic companies have invested in the research of the campus networking platform, and gradually entered the practical. The following takes the Xiamen City Ping'an Campus Network video surveillance alarm project as an example to explain in detail: The project is a network monitoring project. All of Xiamen's cities use monitoring methods of network cameras, and the network transmission is implemented by using operators' external network network resources (such as Figure 1). The system utilizes advanced computer network technology, communication technology, multimedia technology, and microelectronics technology to achieve a "comprehensive remote monitoring alarm management system" with certain practicality, advancedness, reliability, and openness. The entire system has the following features:
Electronic patrols are set up at schools and in key locations around the school to allow security personnel to schedule regular inspections of the campus to enhance the patrol density;
The system can be applied to a variety of network formation modes: ADSL, 3G, VPN, LAN, etc., making video management and alarm linkage easy and fast;
The system is connected to the *system network according to the demand, and one-touch alarm linkage can be performed. When receiving the front-end alarm, the specific information of the image and the device will pop up automatically, and the agency will respond quickly to reduce the impact of the incident;
The system can view the school information of the equipment within the scope of authority, and can easily and quickly understand the name of the regional unit and the supervisor, the person on duty, and the contact information of the equipment, and notify the person in duty when the situation is found or when an alarm is received;
The phone can view video and linkage alarms. According to the permission, the mobile phone can use the mobile phone to view the video, and in the event of an incident, the scene captured in the form of a multimedia message can be generated on the designated mobile phone;
The local office, monitoring room, etc. directly use the Jin Sanli touch-type terminal for viewing, and it can perform 1, 4 and 9-screen division, and the video stream is not forwarded by the monitoring center video to save the center's downlink bandwidth;
By setting up a network video server in the matrix, the system can insert the matrix system into the system and effectively use the front-end equipment of the original simulation system.
Due to the large number of system management devices, high system security requirements, and large functional requirements, the system solution adopts a modular architecture. Each module completes a specific sub-function, and all modules are assembled together as a whole to complete the functions required by the entire system. Such as video management functions, rights management, patrol management, alarm linkage management, equipment information management and other functions. Equipment manufacturers in the system operator monitoring center, the video wall, embedded decoding server, network keyboard, embedded network video system, and the use of optical fiber access to the school's front-end equipment, in order to achieve video switching freely on the TV wall, And carry out alarm linkage management, and important data storage. In addition, the campus network system uses an embedded network video system that integrates an access server, a forwarding server, and a storage server to perform unified video management, which makes the system secure, stable, and inexpensive, and realizes “four-screen integration†monitoring. , that is, monitor, computer, mobile phone, touch display terminal four-screen monitoring at the same time.
In the system, all the surveillance alarm front-end probes of all school campus gates assume all video surveillance image alarm tasks. A large number of front-end network video signals and alarm signals are collected in the monitoring center. The management of these signals must be completed by a large-scale digital network management platform. The common practice on the market today is to use high-performance servers and install LINUX server operating systems, and then install management platform software to achieve management.
Usually this method requires 3 high-performance servers and a storage disk array to complete, and the investment cost is extremely high. The embedded network video system, the operating system, management software, all solidified in the device for the network video surveillance put forward a comprehensive solution, which greatly reduces the cost of network monitoring systems. In the system monitoring center, the manufacturer deploys a host computer for the embedded video hardware platform of the network video surveillance system. The platform host is the core of the network video surveillance system. It can manage more than 200 video images simultaneously (in 1M code streaming) and supports secondary networks ( The topological management of the local and core, using a distributed and centralized storage solution, provides the school with a cost-effective all-IP monitoring platform.
Electronic patrols are set up at schools and in key locations around the school to allow security personnel to schedule regular inspections of the campus to enhance the patrol density;
The system can be applied to a variety of network formation modes: ADSL, 3G, VPN, LAN, etc., making video management and alarm linkage easy and fast;
The system is connected to the *system network according to the demand, and one-touch alarm linkage can be performed. When receiving the front-end alarm, the specific information of the image and the device will pop up automatically, and the agency will respond quickly to reduce the impact of the incident;
The system can view the school information of the equipment within the scope of authority, and can easily and quickly understand the name of the regional unit and the supervisor, the person on duty, and the contact information of the equipment, and notify the person in duty when the situation is found or when an alarm is received;
The phone can view video and linkage alarms. According to the permission, the mobile phone can use the mobile phone to view the video, and in the event of an incident, the scene captured in the form of a multimedia message can be generated on the designated mobile phone;
The local office, monitoring room, etc. directly use the Jin Sanli touch-type terminal for viewing, and it can perform 1, 4 and 9-screen division, and the video stream is not forwarded by the monitoring center video to save the center's downlink bandwidth;
By setting up a network video server in the matrix, the system can insert the matrix system into the system and effectively use the front-end equipment of the original simulation system.
Due to the large number of system management devices, high system security requirements, and large functional requirements, the system solution adopts a modular architecture. Each module completes a specific sub-function, and all modules are assembled together as a whole to complete the functions required by the entire system. Such as video management functions, rights management, patrol management, alarm linkage management, equipment information management and other functions. Equipment manufacturers in the system operator monitoring center, the video wall, embedded decoding server, network keyboard, embedded network video system, and the use of optical fiber access to the school's front-end equipment, in order to achieve video switching freely on the TV wall, And carry out alarm linkage management, and important data storage. In addition, the campus network system uses an embedded network video system that integrates an access server, a forwarding server, and a storage server to perform unified video management, which makes the system secure, stable, and inexpensive, and realizes “four-screen integration†monitoring. , that is, monitor, computer, mobile phone, touch display terminal four-screen monitoring at the same time.
In the system, all the surveillance alarm front-end probes of all school campus gates assume all video surveillance image alarm tasks. A large number of front-end network video signals and alarm signals are collected in the monitoring center. The management of these signals must be completed by a large-scale digital network management platform. The common practice on the market today is to use high-performance servers and install LINUX server operating systems, and then install management platform software to achieve management.
Usually this method requires 3 high-performance servers and a storage disk array to complete, and the investment cost is extremely high. The embedded network video system, the operating system, management software, all solidified in the device for the network video surveillance put forward a comprehensive solution, which greatly reduces the cost of network monitoring systems. In the system monitoring center, the manufacturer deploys a host computer for the embedded video hardware platform of the network video surveillance system. The platform host is the core of the network video surveillance system. It can manage more than 200 video images simultaneously (in 1M code streaming) and supports secondary networks ( The topological management of the local and core, using a distributed and centralized storage solution, provides the school with a cost-effective all-IP monitoring platform.
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