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2. Functional division
It can be seen that starting from the requirements of preventing illegal intrusion, deterring crime, and scientific evidence collection, in order to discover hidden dangers in advance, deal with emergencies in time, and ensure safety, the following functions should be divided into the design of intelligent security system, and the division of labor should be clear and focused.
(1) External intrusion protection function: Prevent the intrusion of irrelevant personnel, such as entering the building from doors, windows, and various pipes. The purpose of this first line of defense is to exclude criminals from the defense zone. The perimeter walls, intrusion detectors, infrared lights, and monitors installed at the entrances and exits on the first floor of the building will constitute this line of defense.
(2) Regional intrusion protection function: If a crime breaks through the first line of defense or has entered the building, the security system should provide a second line of defense to detect whether someone illegally enters certain areas.
(3) Key target protection function: refers to the protection of specific targets, such as: financial room, confidential room, elevator, etc.
Three, system composition
In order to complete the above functions, the intelligent security system in this design is composed of different types of subsystems, and each system must be able to operate completely independently to avoid the failure of a certain part of the equipment to cause the overall system to break down.
Due to the high reliability and high accuracy required by the intelligent security system, the various subsystems must be organically combined. For example, it can achieve linkage between alarm and image display, linkage between alarm and image recording, in addition to image review after alarm, sound review can be performed in key areas, or different types of detectors can be installed for multiple identification. This system provides highly reliable alarm information.
In full consideration of Party A’s overall functional requirements and the specific conditions of the building itself, as well as the actual functional effects that the system should achieve, the building’s intelligent security system includes the following:
(1) The content of system prevention: monitoring and prevention of entrances and exits and passages; alarm and monitoring prevention of perimeters and key parts.
(2) The content of the system forensics: system login operator information, time, operation instructions, arming and disarming records, etc.; alarm address, time, nature, etc.; real-time images of the alarm area and surrounding places; daily monitoring status images and synchronization Video data.
(3) The content of system linkage: alarm sound and light indication; computer alarm plane and location display; tracking and positioning of image monitoring points in important places; automatic switch screen, startup, and recording after receiving the alarm of forensic equipment; other security that requires linkage Start of the device.
4. System features:
The intelligent building security system considers many aspects such as resource utilization, function expansion, installation and maintenance, and usage conditions, which are incomparable with traditional analog equipment. Digitization and networking are the development trends of information technology in the future. The office building network intelligent security system will be based on the system’s scientific, advanced, open, expandable, compatible and flexible design principles. Design it to become one of the most technologically advanced security systems.
1. Network monitoring
Through the computer network, it can truly be monitored at any time, from any place, and on any site.
2. Networked storage
The office building network video surveillance system can realize local and remote video storage and video query and playback.
3. High reliability
The video encoder and network camera used in the building network video surveillance system are all embedded systems, which are industrial-grade equipment with extremely high reliability, plug and play, no special management, especially suitable for unattended Remote video monitoring point.
4. Image quality
The video encoder and self-adaptive high-performance streaming media server equipment used in the office building network video surveillance system integrates a variety of new patented technologies to provide smooth images, clear image quality, and good real-time performance.
5. Easy to use, simple operation and management
Client software can be installed, or remote monitoring and remote management can be carried out directly through the WEB method. The graphical interface provides users with flexible monitoring screens to choose electronic maps to use, line control of PTZ and zoom, preset positions and Lens patrol, and realize image capture, video and video playback, alarm and alarm linkage functions.
6. Information Security
Make full use of network tunnel, firewall/VPN, encryption lock, authority management, security authentication, real-time clock and other technologies to ensure that the network video surveillance system and video data are not used or destroyed by unauthorized use.
7. Effective use of bandwidth
The video stream can be automatically adjusted according to the network bandwidth, and the office building network video monitoring system can complete various monitoring functions in any existing network.
8. Equipment classification and group management
Powerful classification and grouping functions can organize front-end equipment such as network cameras, video encoders, and alarm devices into different areas and work groups according to monitoring locations and management needs. The areas can be classified (layered). Each work group can be assigned several front ends Equipment, the same front-end equipment can be allocated to different work groups at the same time.
9. User classification and group management
Users can be divided into different levels according to management needs. The top level is the super administrator. Different levels of administrators are given different permissions. The administrator can create users and assign initial passwords. Office building network video surveillance system administrators can flexibly assign permissions to corresponding users and user groups as needed.
10. Scalability
It is very simple to add network cameras, video encoders and monitoring workstations, which can continuously and smoothly upgrade and expand, reduce the overall investment cost of the office building network video monitoring system, and be compatible with other management controls.
11. Powerful management platform
Distributed and hierarchical management, users can real-time monitoring, real-time management, real-time viewing, and real-time command on office building network video surveillance targets without time and space constraints.
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