First, the requirements analysis
Prison is the place that held management crime, detainees for all kinds of criminals, detention and management difficult, safety is the primary factor. Security to protect the safety of society already, also to protect the safety of prison staff, as well as the criminal legal security of person. Using advanced monitoring security equipment, can effectively strengthen the management of prisoners, intuitive reflect the scene of the important place in a timely manner, improve the strength and efficiency of the security, is a powerful tool for modern prison management.
Province prison has three big prison, monitoring and control system for total control device installed in the technology control rooms, the control rooms in addition to monitoring local conditions, you can also monitor the monitor area; Each prison monitoring station, can monitor the separate prison; Leadership office set points such as control room, can be arbitrary call all various situations. USES the multimedia master control unit of the system should be has system Settings, map display, image more important parts of the image space, audio and video alarm, sound recording or video recording and query information, and other functions; Partition system control device is controlled by the control rooms control device and work independently in the jurisdiction of the area. Monitor quality, monitoring image should conform to the requirements of the regulation engineering; Front-end equipment should adopt GongBi combination, a full range of installation, high moderate, the security firm. Adopts the stand-alone installation method to minimize the monitoring blind Angle. In the field, the workplace, dormitory room, outdoor HuiJianShi and prison entrances, channel, perimeter fence, front end cameras should be installed, and the important parts of the commanding heights, etc which brig must hidden installation. In rooms, outdoor field, the workplace, HuiJianShi installed monitor head, even in the perimeter alarm sensor installation.
Second, the design principles
1, advanced, practical, economical and legitimacy
This system design fully consider the advanced equipment and technology, the system adopts advanced techniques, when the whole system to achieve the advanced nature;
All integrated devices are currently advanced products of similar products in the choose and buy, not guarantee a few years behind, not to be eliminated; In the guarantee system of advanced nature of the practicality of the system should also be considered at the same time, the selected equipment is a mature system, all the function is practical; And considering the system of economy, select the product with high price performance ratio. All equipment is approved by the relevant departments of the state growth and through the quality inspection of products.
2, good expansion
Considering the actual situation of the project, when carries on the system design, we fully consider the scalability of system capacity:
System adopts modular structure design, all equipment management host are expandable, system expansion, just directly to the management of equipment and systems to connect, don't need to modify line; System host adopt large capacity products, reserved for future expansion fully redundant space and equipment interface.
3, system safety and reliability
Every design to the economic interests of the owners of system, reliability is crucial. System products involving economic interests, we made a careful consideration, model selection of the design selection of equipment are a large number of users to use and quite mature products. The system has stronger security and stability.
4, system is advanced
The advanced nature of the whole system, depending on whether the designer has advanced consciousness, grasp the industry's latest technology, and the application of edge science in this field, at the same time, must understand and anticipate the next few years the social development of closed-circuit monitoring and alarm systems. As a result, not only requires strict, rational layout, design and technology, new product line, and the selected equipment should be after some years, the system also can maintain its function perfect, complete, not far behind.
5, the operability of the system
Equipment is complete, fully functional, comprehensive management, easy to maintain, easy to operate and easy to master. The design of the system, the requirement between the operators and equipment to establish a friendly interface, make the operator for both the system Settings and daily operation, simple operation can be done through the keyboard, even for no contact with the operators of such equipment, just a little training, to master the operation.
6, the safety of the system
Will produce strong impact current when lightning occurs, if you don't take effective precautions, extremely easy to cause lightning strike. Lightning protection aspect of the system, we design: all the extra power supply equipment, equipped with a dedicated UPS power supply, prevent lightning occurs ultrahigh pressure strong current through the high voltage system destruction of weak current system; All facilities to ensure a good grounding, when high voltage current outdated can be dispersed electric current, can be installed outside the lightning rod.
Third, system solutions
1, the system function characteristic
This system adopts the technology of the matrix, cascade, the comprehensive realization of video, audio monitor and alarm control functions. Brief function is as follows:
System USES matrix hard record the integrated control system, has the good interface, support for multiple monitoring scene changes, the graphical interface to control yuntai, lens, etc. The advanced practical control room design, humane; The control room with a large screen monitor, has certain ornamental.
The prison is designed.the can check their real-time situation alone, individually for each alarm condition; The total control room can be invoked as a means to check the each area, can also see the total control room where the office building of real-time information; Each leadership points of various points can be convenient to see all through the network.
Audio and video signal switching function: through host matrix, can be a certain way camera output image signal switching the arrival of a prison visual organ, make the person can choose to see all the images, synchronization to monitor the voice of the chain at the same time, the switch can be manually or automatically.
Character superposition function: characters can be timely clock signal to the video image, used to indicate time, date, video camera and monitor, but also by setting free to decide the Chinese name of each monitory point. The superposition can choose type, can adjust the position of characters, unique character function, can be superimposed on the monitor since icon, images, etc., fully convenient user. To maximize meet user requirements, convenient to distinguish the various monitoring points, in the television monitoring system plays a great auxiliary monitoring role.
Control function: the unique TD bus technology, arbitrary articulated multiple decoder directly, to control the power switch on the light,
Yuntai automatic rotation, the up and down or so and level lens change times big/small, focused on the far/near, aperture on/off.
Intelligent electronic cloth / : machine can be set manually or by automatically on the walls, surrounding the prison, police office and target practice in sensitive areas such as electronic protection, removal, protection area can be arbitrary choice.
Alarm is triggered and linkage function: alarm response emergency alarm images and sound to specify a monitor switch, and superposition of alarm information, linkage alarm at the same time; Multi-channel alarm at the same time, emergency alarm images and sounds according to set parameters on the specified monitor switch using multilayer electronic map, the police after electronic map, and bring up the corresponding protection zones and prompt alarm position. Also can according to the set to start the digital video.
Alarm way, the way to the police can choose: the user according to the demand, can choose open alarm or closed circuit alarm alarm way, way to police their optional automatic elimination p, delay warning, confirm the warning.
Digital image storage function: used video image compression processing technology (MPEG4). Image partition control room can be recorded on duty choose road, digitally exist on your hard disk, can quickly browse and retrieval. Can respectively for each image captured images, can be in the monitor on the hard disk video tasks at the same time.
Free local area network monitor function: by providing excellent network transmission function of the hard disk video recorder, you can allow the governor and deputy warden through local area network (LAN) and other senior leaders at the site of point to point, and can allow local video.
Video signal acquisition, cameras are low intensity of illumination cameras, terminal display is superior to the standard VCD. Outdoor setting with all-weather function.
2, system configuration,
1) the control rooms configuration
Control rooms can call any view and control the real-time situation of each cell area, can also see the total control room where real-time situation of office building, and can alarm information requirements. The selected equipment mainly includes large audio and video matrix controller, a cascade controller, computer, RS232 turn CAN bus adapter consoles, television screen walls, system, UPS power supply, etc. System using computer via RS232 turn CAN bus adapter and a cascade controller to control the entire system, large video matrix control on the image to switch to the corresponding point to monitor, audio matrix with video synchronous switch matrix to achieve sound and image, so as to realize monitoring, monitoring function.
2) the prison is designed.the configuration
Each prison master individual circumstances, require implementation surveillance, monitoring, control, alarm, select video recording and playback functions. The selected equipment mainly includes large audio and video matrix controller, alarm host, a cascade controller, hard disk video recorder, television screen walls, console, UPS power supply, etc. System is composed of large audio and video matrix controller and hard disk video recorder hard integration system, matrix through hard record the software control matrix, matrix switcher for graphics and sound, and other important functions, at the same time can choose are important parts of the video. Alarm host can collect alarm signal, realizes the alarm set various functions.
3) leadership points control configuration
Leadership can call all the information of point to point control requirements, and can choose the video. To take advantage of powerful network control function,
Simply configure is connected to a LAN computer; Of course monitoring system also must be connected to the control host in the LAN.
4) room, corridor, doors and other places configuration
S room and corridor configuration low illumination wide-angle color video camera, brig hidden pinhole camera. The indoor installation high sensitivity pick-up, corridor, activity places. Doors and other place is made of three variable integration camera lens, and configure the yuntai, decoder, can control the camera variable times, focus, aperture, yuntai up and down or so control and automatic level.
5) wall surrounding configuration
The fence around a color video camera and infrared correlation detector, implementation of warning and monitoring 24 hours a day. And the guards sentry fixed-point monitoring.
