subway
subway
In the field of homeland security, as an important part of the urban public transportation system, the subway plays a pivotal role in the construction of smart cities and daily life.
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Case Details
In the field of homeland security, as an important part of the urban public transportation system, the subway plays a pivotal role in the construction of smart cities and daily life. With the rapid increase in the number of subway lines and station scales in various cities, how to pass intuitive and effective Monitoring and management of stations and trains with complex and dense personnel, pre-judgment of emergencies, emergency dispatch during the incident, and retrospective inquiry after the incident have become a key requirement of the subway management. The traditional subway CCTV monitoring system is no longer able to meet today's large-scale networking and long-term centralized storage requirements, and the traditional train DVR system cannot provide a safe, reliable, and massive storage mechanism for monitoring images. Therefore, digital high-definition network video surveillance system solutions for subway stations are ready to emerge in the industry.
This system is a high-tech, highly integrated command management system that integrates on-site monitoring and remote command. It can provide an effective means for improving the modernization level of management and improving rapid response capabilities. The system adopts a distributed network structure, which will not cause the paralysis of the entire network business or the paralysis of the basic business functions of the entire network due to a device failure, ensuring the long-term effective and stable operation of the system.
The system consists of image capture, image display and recording, station control processing, main/standby center control processing and display, video signal transmission, video management server and other equipment. It is composed of two parts: standby control center or control center dispatcher monitoring, disaster prevention monitoring, station attendant monitoring, and driver getting on and off monitoring, forming a two-level (center, station) high-definition monitoring network.
The standby control center and the control center select the video signal of each station according to the needs of monitoring video signals. The selected image signals are decoded by the central digital video decoder and output to the video display terminal equipment installed at each dispatcher.
This system provides interfaces with transmission, centralized alarms, clocks, and integrated monitoring systems at the control center, and interfaces with transfer stations, transmissions, integrated monitoring, and public security video monitoring systems at stations.
(1) Station system composition
The station monitoring network mainly completes the monitoring and recording of the video signals within the jurisdiction of the station. The front-end camera of the station is input to the station monitoring center, and then decoded and output to the large screen of the station integrated control room. The station attendant monitors the station through the monitor. Station video image, realize the function of single-screen display or multi-screen split display. Record all the monitoring images of this station through the network video storage device configured in the station. Under authorization, the historical images stored in this station can be viewed on this site, and the storage image can be viewed by accessing the reserved interface of the portable notebook .
Two color LCD monitors are set up at the operator's place in the station control room, which cooperates with a digital decoder to realize 4-picture splicing combined display and realize multi-picture monitoring and display. The traffic attendant of the station monitoring center switches the screen combination display mode of the traffic camera and controls the pan-tilt lens.
Set up 2 color LCD monitors in the station control room disaster prevention duty officer, cooperate with the digital decoder for screen switching and pan-tilt lens control, which can realize single-picture loop display, multi-picture display, and has the function of pan-tilt occupancy display. Configure power controllers and priority controllers for the station. The emergency switch can be used to turn on and off the power of the station equipment, or automatically switch the system equipment according to the set time.
1 color LCD monitors are set up at the train parking spaces on the upper and lower sides of the platform, for the conductor to watch the passengers getting on and off the train.
(2) Transfer station system composition
The transfer station system structure is exactly the same as the station system structure. On the basis of the station system structure, a video signal exchange channel with the transfer station is added. For dispatchers of the other party to arbitrarily adjust the image of the station, and at the same time, the transfer station of the other party will also lead the video signal to the station through the optical cable, so that the dispatcher of the station can adjust the image of the other station at will.
(3) Parking lot system composition
The parking lot monitoring network is mainly for the convenience of the attendant to monitor the parking lot, the traction and step-down substation, the entrance and exit of the signal building, the main system equipment room and other areas. At the same time, it can monitor the main line and other areas to complete the parking lot. The monitoring and recording of the video signal in the parking lot, the parking lot attendant monitors the video images in the parking lot through the monitor, and realizes the function of single-screen display or multi-screen split display. Record all the surveillance images of this segment through the network video storage device configured in the parking lot. Under authorization, the historical images stored in this segment can be viewed in the parking lot of the site, and the portable notebook can be connected to the reserved interface to store images Tune up.
(4) Control center system composition
The control center receives the image information sent by each station through the Ethernet channel, and displays it on the color LCD monitor of the dispatching station after being processed by the digital video decoder. Set up 1 color LCD monitor and 1 video control terminal (including software) at the disaster prevention dispatcher's office; set up 1 color LCD monitor and 1 video control terminal (including software) at the AFC dispatcher's office; traffic dispatcher office Two color LCD monitors and one video control terminal (integrated by ISCS) are installed; two color LCD monitors and one video control terminal (integrated by ISCS) are installed at the power dispatcher. The video control equipment installed in the above-mentioned control center can realize free adjustment and viewing of all images on the whole line.
The central dispatcher can remotely control the rotation of any spherical integrated pan-tilt and the focal length adjustment of the zoom lens at any station on the whole line. Multiple control priorities can be set according to specific needs, and PTZ speed control can be performed. Each dispatcher distinguishes the priority through the login user name and password. When the station's PTZ is controlled, the occupant name can be displayed on the low priority user operating software. When a high-priority user is operating the pan/tilt, the low-level user cannot operate it. Only when the high-level user finishes the control, the low-level user can operate the pan/tilt.
(5) Standby control center
The backup control center system consists of central control equipment, system network management equipment, digital video decoders, video management servers, video playback equipment (including monitors and built-in DVD disc burners), Ethernet switches, emergency power switch on all equipment, and line adjustment Set up 2 color monitors, line adjustment control terminal (provided by ISCS professional, including cable), 1 set of color monitor set by ESC, ESC monitoring terminal (provided by ISCS professional, including cable), disaster prevention It is composed of a color monitor, disaster prevention monitoring terminal and other equipment installed at each location;
The digital decoder can decode any channel of the monitoring image signal monitor of any station on the whole line for display; at the same time, an emergency switch on the power supply of the whole line can be set at the disaster prevention dispatcher of the standby control center, and the front-end station equipment can be realized through the standby control center network management equipment The power supply control can realize the substation to turn on the equipment power supply;
Each attendant can select and monitor the pictures taken by all cameras in each station through the computer-controlled terminal and color monitor installed on their respective consoles.
The central dispatcher can remotely control the rotation of any spherical integrated pan-tilt at any station on the whole line and the focus adjustment of its zoom lens. Multiple control priorities can be set according to specific needs, and PTZ speed control can be performed. Each dispatcher distinguishes the priority through the login user name and password. When the station's PTZ is controlled, the occupant name can be displayed on the low priority user operating software. When a high-priority user is operating the pan/tilt, the low-level user cannot operate it. Only when the high-level user finishes the control, the low-level user can operate the pan/tilt.
This system is a high-tech, highly integrated command management system that integrates on-site monitoring and remote command. It can provide an effective means for improving the modernization level of management and improving rapid response capabilities. The system adopts a distributed network structure, which will not cause the paralysis of the entire network business or the paralysis of the basic business functions of the entire network due to a device failure, ensuring the long-term effective and stable operation of the system.
The system consists of image capture, image display and recording, station control processing, main/standby center control processing and display, video signal transmission, video management server and other equipment. It is composed of two parts: standby control center or control center dispatcher monitoring, disaster prevention monitoring, station attendant monitoring, and driver getting on and off monitoring, forming a two-level (center, station) high-definition monitoring network.
The standby control center and the control center select the video signal of each station according to the needs of monitoring video signals. The selected image signals are decoded by the central digital video decoder and output to the video display terminal equipment installed at each dispatcher.
This system provides interfaces with transmission, centralized alarms, clocks, and integrated monitoring systems at the control center, and interfaces with transfer stations, transmissions, integrated monitoring, and public security video monitoring systems at stations.
(1) Station system composition
The station monitoring network mainly completes the monitoring and recording of the video signals within the jurisdiction of the station. The front-end camera of the station is input to the station monitoring center, and then decoded and output to the large screen of the station integrated control room. The station attendant monitors the station through the monitor. Station video image, realize the function of single-screen display or multi-screen split display. Record all the monitoring images of this station through the network video storage device configured in the station. Under authorization, the historical images stored in this station can be viewed on this site, and the storage image can be viewed by accessing the reserved interface of the portable notebook .
Two color LCD monitors are set up at the operator's place in the station control room, which cooperates with a digital decoder to realize 4-picture splicing combined display and realize multi-picture monitoring and display. The traffic attendant of the station monitoring center switches the screen combination display mode of the traffic camera and controls the pan-tilt lens.
Set up 2 color LCD monitors in the station control room disaster prevention duty officer, cooperate with the digital decoder for screen switching and pan-tilt lens control, which can realize single-picture loop display, multi-picture display, and has the function of pan-tilt occupancy display. Configure power controllers and priority controllers for the station. The emergency switch can be used to turn on and off the power of the station equipment, or automatically switch the system equipment according to the set time.
1 color LCD monitors are set up at the train parking spaces on the upper and lower sides of the platform, for the conductor to watch the passengers getting on and off the train.
(2) Transfer station system composition
The transfer station system structure is exactly the same as the station system structure. On the basis of the station system structure, a video signal exchange channel with the transfer station is added. For dispatchers of the other party to arbitrarily adjust the image of the station, and at the same time, the transfer station of the other party will also lead the video signal to the station through the optical cable, so that the dispatcher of the station can adjust the image of the other station at will.
(3) Parking lot system composition
The parking lot monitoring network is mainly for the convenience of the attendant to monitor the parking lot, the traction and step-down substation, the entrance and exit of the signal building, the main system equipment room and other areas. At the same time, it can monitor the main line and other areas to complete the parking lot. The monitoring and recording of the video signal in the parking lot, the parking lot attendant monitors the video images in the parking lot through the monitor, and realizes the function of single-screen display or multi-screen split display. Record all the surveillance images of this segment through the network video storage device configured in the parking lot. Under authorization, the historical images stored in this segment can be viewed in the parking lot of the site, and the portable notebook can be connected to the reserved interface to store images Tune up.
(4) Control center system composition
The control center receives the image information sent by each station through the Ethernet channel, and displays it on the color LCD monitor of the dispatching station after being processed by the digital video decoder. Set up 1 color LCD monitor and 1 video control terminal (including software) at the disaster prevention dispatcher's office; set up 1 color LCD monitor and 1 video control terminal (including software) at the AFC dispatcher's office; traffic dispatcher office Two color LCD monitors and one video control terminal (integrated by ISCS) are installed; two color LCD monitors and one video control terminal (integrated by ISCS) are installed at the power dispatcher. The video control equipment installed in the above-mentioned control center can realize free adjustment and viewing of all images on the whole line.
The central dispatcher can remotely control the rotation of any spherical integrated pan-tilt and the focal length adjustment of the zoom lens at any station on the whole line. Multiple control priorities can be set according to specific needs, and PTZ speed control can be performed. Each dispatcher distinguishes the priority through the login user name and password. When the station's PTZ is controlled, the occupant name can be displayed on the low priority user operating software. When a high-priority user is operating the pan/tilt, the low-level user cannot operate it. Only when the high-level user finishes the control, the low-level user can operate the pan/tilt.
(5) Standby control center
The backup control center system consists of central control equipment, system network management equipment, digital video decoders, video management servers, video playback equipment (including monitors and built-in DVD disc burners), Ethernet switches, emergency power switch on all equipment, and line adjustment Set up 2 color monitors, line adjustment control terminal (provided by ISCS professional, including cable), 1 set of color monitor set by ESC, ESC monitoring terminal (provided by ISCS professional, including cable), disaster prevention It is composed of a color monitor, disaster prevention monitoring terminal and other equipment installed at each location;
The digital decoder can decode any channel of the monitoring image signal monitor of any station on the whole line for display; at the same time, an emergency switch on the power supply of the whole line can be set at the disaster prevention dispatcher of the standby control center, and the front-end station equipment can be realized through the standby control center network management equipment The power supply control can realize the substation to turn on the equipment power supply;
Each attendant can select and monitor the pictures taken by all cameras in each station through the computer-controlled terminal and color monitor installed on their respective consoles.
The central dispatcher can remotely control the rotation of any spherical integrated pan-tilt at any station on the whole line and the focus adjustment of its zoom lens. Multiple control priorities can be set according to specific needs, and PTZ speed control can be performed. Each dispatcher distinguishes the priority through the login user name and password. When the station's PTZ is controlled, the occupant name can be displayed on the low priority user operating software. When a high-priority user is operating the pan/tilt, the low-level user cannot operate it. Only when the high-level user finishes the control, the low-level user can operate the pan/tilt.
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