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Smart Transportation Integration Solution
I. Overview
Smart Transportation is a command platform centered on the three-level management of expressway monitoring center, station monitoring room, and toll booths, supported by highway information, based on grid management, and focused on public safety video surveillance networking applications. The "mass prevention and control project." Through the construction of a three-level management center, it transmits all types of high-speed traffic information to each driver in a simple and fast manner.
Situation Analysis
In recent years, with the increasing mileage of highways and the continuous expansion of highways, the construction of modern network communication systems and command and dispatch systems for highways has become indispensable, and a complete, advanced and modern network communication command has been established. Dispatch system, the high-speed all kinds of traffic information in a simple, fast way to each driver is the highway information construction has become the primary task.
demand analysis
In areas such as highway tunnels/bridges, set up an alarm assistance point. When the vehicle owner encounters a sudden condition or a vehicle fault during driving, he can quickly call the nearest service area or management center through the help-to-call terminal and get timely guidance. help. Especially in the event of sudden natural disasters and emergencies, the high-speed command and dispatch center can promptly release information to organize the emergency dispatch of vehicles and personnel, reduce casualties and property losses, and can also be used in high-speed command and dispatch centers and toll stations at ordinary times ( The internal information communication tools between kiosks enable rapid transfer of internal information and dispatch and command during emergencies.
Second, the program design
Smart transportation projects must not only thoroughly understand policy guidance, but more importantly, they must use good solutions that can be solved to solve problems. The good plan is to comply with the policies on the one hand and benefit the citizens on the one hand, and to dare to break the original train of thought and dare to integrate across boundaries; Is it from the continuation of video surveillance, or broadcast system, intercom system; the time needs is to solve the snow engineering requirements system, we have to provide is this landing system can be integrated.
Multi-level management
The system is divided into a management center - sub-control center - two sub-control center - front-end multi-level management.
1) Management Center (Highway Monitoring Center): Manages all equipment, assigns users rights to it, manages audio and video data (alarm audio/video data, start talkback audio/video data, etc.), provides broadcast sources and other major functions; as a management Center-level users can have system privileges and can use the full functionality of the system.
2) Sub-control center (station monitoring room): The sub-control center manages the area-wide equipment. The sub-control center sets the broadcast source within the area of ​​jurisdiction, divides the users at the control center level, and uses the full functions within the jurisdiction area.
3) Secondary branch control center (toll station supervisor): The secondary branch control center manages the area-wide equipment; the secondary branch control center can set up the area-wide broadcast source, and the secondary branch control center level users can use the jurisdiction area The full functionality within.
4) Front-end: The front-end equipment is deployed and deployed according to the actual application scenarios, such as tunnels, emergency avoidance lanes, entrances, self-issued truck lanes, service area toll plazas, etc., and the corresponding equipment can be installed according to the application requirements and usage scenarios of the highway. . It mainly considers the network environment, actual needs and coverage; whether there is a visual need or whether it is combined with a broadcast network.
2. Mobile Management (Mobile APP)
1) The highway monitoring center and department can realize remote management through mobile phone APP.
2) In important holidays and special weather, monitoring centers and departments can start remote monitoring at any time for auditing and guidance.
3) Get front-end alarm information and start front-end live audio and video monitoring
4) It can inspect the situation of the front end (audio and video and surrounding environment)
5) It can remotely control the broadcast, intercom and shouting on the spot, and deal with it.
6) Real-time interaction and information reporting with other hosts on the platform
3. Emergency broadcasting
Information broadcast: In the event of a major natural disaster or bad weather, the expressway monitoring center can use an advanced management host to conduct emergency broadcasts of front-end alarm equipment to alert passing drivers to travel safely, and at the same time to provide special alerts for road sections that may affect traffic travel in the near future. Prompt traffic information in a timely manner to facilitate passing drivers to change routes to avoid traffic congestion.
4. One-touch alarm
In the front-end installation of terminal equipment, such as accidental traffic accidents or other emergencies at the toll station or highway, two buttons can be activated, one-touch command center, one-touch linkage 110 center.
Equipment deployment: visual alarm box, alarm column can be installed in tunnels, emergency avoidance lanes, entrances, self-issued truck lanes and other places that require assistance. When passing drivers need to help or find road accidents and other emergencies can trigger the alarm The button can be used for visual intercom with the expressway monitoring center to quickly handle emergencies occurring at the front end.
5. Streamline video conferencing
The expressway monitoring center and each toll station can realize multi-level and cross-regional multi-party video conferences through the system's advanced and secondary management hosts, which is fast, convenient, and reduces time and cost.
6. Lookable & Preventable & Controlled Stereo Controlling
1) Can see - video surveillance, data sharing
At important points such as tunnels, emergency shelter lanes, entrances and exits, self-issued truck lanes, service area toll plazas and other places, install video surveillance terminals to collect site information as evidence for understanding the scene, inspections, and incidents; Storage - terminal storage, central storage, network centralized storage (NVR storage), stored data can be shared with other departments (such as smart cities, and other departments).
2) prevent - voice broadcast
In order to avoid serious traffic congestion, the system can use the built-in broadcast function of the terminal to perform special wake-ups on the common road sections that affect traffic travel in the near future; it is convenient for travel drivers to choose the travel route in time.
3) Controllable - Alarm Linkage & Video Linkage & Electronic Map
When alarm information occurs, according to previous settings, the alarm information can be linked to different management centers at all levels of the center, and an alarm information screen will be automatically popped up; all levels of the center receive the first time, and the electronic map can quickly, accurately and timely remind the duty shift. Which area of ​​personnel occurs, which facilitates faster disposal arrangements for high-speed monitoring centers. Launch two-way visual voice intercom, play emergency and rescue broadcasts; notify relevant linkage departments (emergency office, 110 center, etc.); quickly establish temporary and simple video conferences and conduct multi-sector consultations.
7. Equipment local watch and system loop monitoring
The built-in SD card function of the alarm terminal enables you to open recordings and videos according to the set recording time to ensure the integrity of the data even when there is no server. When the equipment is faulty, the center can recognize the status of the equipment and alert the management personnel. Repair the device.
Third, technical characteristics
1. Extensibility, compatibility and integration capabilities
1) Support standard protocols such as onvif protocol, SIP protocol, and GB28181 protocol to provide standard interfaces to facilitate data sharing between platform subsystems
2) It can be connected to the VOIP phone system (supporting the mainstream IP-PBX) separately, and audio and video calls can be realized with the IP video phone. Can integrate the access control system, video monitoring system, alarm system, etc. in the project;
3) Break through the shortcomings of traditional broadcast and intercom system separation and closure, and achieve cross-system linkage, including video and broadcast linkage, remote control access control, and remote control of light switches.
2. Comprehensive information source collection capabilities and linkage capabilities
Comprehensive information collection, including voice information, video information, alarm information, and intercom information; the system intelligently analyzes the collected information, and according to preset thresholds, it can be linked with emergency broadcast, notification security, start alarm, linked audio, Video, acousto-optic switches; enable managers to fully understand the situation the first time, deal with the power and respond in a timely manner, the alarm helpers get full assistance at the first time.
3. High voice sampling rate
Voice: support PCM, AAC, G711 audio coding format; voice files support MP3, WAV and other file formats; support 8K-48K sampling rate, 32K-768K rate file playback makes the broadcast sound quality more clear; all terminal equipment uses hardware echo Eliminating audio processing technology can well cancel out echo and suppress noise. In terms of voice breakthroughs, the support system is applied to full-duplex video voice calls and multi-party video conferencing; the system encrypts voice encoding.
4. Support Starlight function and HD video resolution
Video: Video supports H.264 and H.265 encoding formats, supports multiple resolutions of CIF, D1, 720P, and 1080P; supports night-light and wide dynamic, strong light suppression, and weak light compensation at night and backlight Under the circumstances, it can also clearly identify other people's faces; support real-time screen time and title superposition settings, can superimpose video resolution, code rate, time, title content and other information on the screen.
5. Multiple alarm source acquisition and linkage capabilities
Alarm: Receive terminal alarm, support motion detection alarm, IO trigger alarm, and support intelligent analysis threshold alarm (such as threshold value), starlight camera night recognition monitoring alarm; with alarm display, recording, recording and other functions; can be set alarm Send 110 command center; the system is all based on the network operation.
6. Full two-way video intercom
Video intercom: The system provides a one-touch call function; after the call is connected, a full two-way video call is implemented in hands-free mode, and echo cancellation is provided. Specific practical functions
1) Interruption function: high-level users can insert and insert messages to low-level users in the call
2) Multi-party conference mode: Support multi-party video conferences, between application host and host
3) Hosting mode: When the regional host's staff leaves or disconnects from the network, the system will automatically manage its hosting to other hosts for management, effectively preventing the occurrence of host anomalies and unattended alarms.
4) call transfer function: can be set to busy transfer, drop transfer, no response transfer, transfer by time period
5) Status monitoring: The intercom management host screen displays the real-time status and working status of the terminal, which facilitates debugging, maintenance and maintenance. Each button can be used to add network location description information to facilitate management and operation.
7. Multiple broadcast applications
Webcast: Supports three kinds of broadcast transmission protocols: UDP, TCP, and multicast. Different broadcast transmission modes can be set for different scenarios. Strengthen security education, publicize security prevention knowledge through broadcasting, and warn the predicted insecurity factors to play a preventive role, effectively reduce the probability of occurrence of danger; support multiple broadcasting applications, including
1) Broadcast in the whole area: It can broadcast audio files, propaganda, and external audio sources throughout the jurisdiction.
2) Partition broadcasting: It can broadcast audio file and propaganda within the partition
3) Scheduled broadcast: According to the system setting broadcast time, it will automatically play
4) Fire Radio: When a fire alarm occurs, a specially recorded fire-fighting audio file is played, and the broadcast is automatically cut to the maximum volume.
8. Cross-system integration and in-system integration capabilities
Convergence capabilities: Cross-system integration with video surveillance systems, access control systems, Xueliang Engineering Platform, Pingan City Platform, smart community platform, and smart city platform.
System integration: integrates alarm, broadcast, intercom, and video systems, and implements audio linkage video, video linkage audio, alarm linkage video, alarm control acousto-optic switch, and video linkage broadcast function.
9. Storage function
1) Local storage and network storage: Support terminal local storage and network storage, and configure local and network storage policies (storage mode, storage time, storage conditions, etc.) according to actual needs in the system platform. All terminals support audio and video files SD card local storage and network center storage, support mainstream manufacturers NVR storage capabilities, intercom terminals can store audio and video data directly in Haikang, Dahua, Kodak, Yushi and other mainstream manufacturers NVR
2) Storage Strategy: Full-time or scheduled storage
3) storage of practical details of the design: audio and video at the same time storage; support alarm picture capture function, can capture the alarm within the 1-60 seconds of the screen picture and store. The recording and recording of all terminals on the system are centralized in the management server. The audio and video of the intercom terminal and the audio files of the management center are synthesized into one MP4 file. The user can use the calling workstation or PC client to retrieve it at any time.
10. Management capabilities
The system adopts the management mode of “multi-level sub-control management and unified command†to facilitate multi-level units to perform their duties. The system has a three-level management mode of terminal-centralized control center-command center. The command center is equipped with a primary server, each secondary control center is equipped with a secondary server, and the primary server and the secondary server all have the functions of managing the intercom terminal, ensuring that any single point of failure does not affect the operation of the entire system, including failures. Server-managed intercom terminal. All equipment terminal cloud platform registration, convenient and fast.
11. Convenience
One end controls the whole world, and the user on one client can control all the front ends of the system. The practical value and user experience are greatly enhanced. The command center and sub-control center can perform point-to-point, partition, or all-call and broadcast of each device; mobile phone APP users only need Login platform for remote video intercom, remote broadcast, remote music playback and other controls.