CN201967049U - Vehicle-borne video monitoring system with scattered storage function - Google Patents
Vehicle-borne video monitoring system with scattered storage function Download PDFInfo
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- CN201967049U CN201967049U CN 201120063850 CN201120063850U CN201967049U CN 201967049 U CN201967049 U CN 201967049U CN 201120063850 CN201120063850 CN 201120063850 CN 201120063850 U CN201120063850 U CN 201120063850U CN 201967049 U CN201967049 U CN 201967049U
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Abstract
The utility model discloses a vehicle-borne video monitoring system with a scatted storage function. The vehicle-borne video monitoring system is characterized by comprising two video servers, a media gateway, an LCD (liquid crystal display) touch screen display, a 360-degree panoramic camera, a semi-sphere infrared camera, a network cable, a video cable and a power supply cable; both the 360 degrees panoramic camera and the semi-sphere infrared camera are used for acquiring analog video signals, the media gateway is used for performing an analog/digital conversion on the received analog video signals, compressing the converted signals and storing the compressed digital video signals into a hard disc of the local media gateway, meanwhile, the digital video signals are simultaneously transmitted to the video servers in the head and tail car driver rooms for storage and displaying on the LCD touch screen display through a 1000M ring-shaped redundancy Ethernet formed by the network cables, thus a video file three-stage scattered storage mechanism is formed. The vehicle-borne video monitoring system can store and perform real-time monitoring on the video images of the train compartment interior acquired by cameras at the same time, and can store the video data in three stages.
Description
Technical field
The utility model relates to a kind of video monitoring system, particularly a kind of Vehicular video monitoring system with dispersion memory function.
Background technology
Track traffic because of fast, on schedule, go out accommodating, be not subjected to that harsh weather influences etc., become the main selection of people's trip.But because track traffic is crowded, influence and radiation are wide, are very easy to become the main target of the attack of terrorism, in case this danger takes place, can cause personnel's heavy casualties and main artey of communications to interrupt, and it is panic that society is produced.The Korea S's Taegu subway incident and the London subway explosive incident on July 7th, 2005 as on February 18th, 2003.
Along with the public uses the intensive day by day of this vehicles of track traffic and in view of above-mentioned public safety situation, platform management, vehicle management and the passenger relevant with track traffic manages relevant demand and also becomes increasingly conspicuous, so must build the train-installed video frequency graphic monitoring of respective track traffic system, the train operation situation is carried out the realtime graphic monitoring.
Because the supervising device on the train adopts the networking of 100M wired ethernet network at present, network cable is by the hitch between compartment and the compartment time, there is physical medium to disconnect, network bandwidth decay is serious, its actual effective bandwidth is no more than 40M, can't support the transmission in the time of car drivers' cab end to end of full train video image, so can only be implemented in transmission and stored video data under the situation that the time is short, video input quantity is few.Simultaneously, under the situation that railway car is destroyed or go-between disconnects, the fail safe and the integrality of stored video data can not be guaranteed, and complex electromagnetic environments and vibration environment on the incompatible train of monitoring system device, the safety integrity of video data storage can't be guaranteed equally.
The utility model content
The purpose of this utility model is to provide a kind of Vehicular video monitoring system that disperses memory function that has, and this system can store and monitoring in real time simultaneously to the railway car interior video image of camera acquisition, and divides three layers of stored video data.
The purpose of this utility model is achieved through the following technical solutions: a kind of Vehicular video monitoring system with dispersion memory function, comprise the video server that is used to monitor and store full car video data, be used for video signal collective, the media gateway of coding and storage, be used for the LCD touch-screen display that video monitoring image shows, 360 ° of panoramic cameras that are used for shooting in the guest room, be used to gather the hemisphere thermal camera of drivers' cab and track video data, the network cable that is used for the ethernet network transfer of data is used for the vision cable of video analog signal transmission and is used for the feed cable that above-mentioned all devices are powered;
360 ° of panoramic cameras and the hemisphere thermal camera in the drivers' cab in the compartment, guest room are gathered analog video signal, be transferred to corresponding media gateway by the TNC connector by vision cable, media gateway is passed through analog/digital conversion with the analog video signal that receives, and compress, digital video signal after will compressing again is stored in the hard disk of local media gateway, simultaneously, this digital video signal transmits to the end simultaneously by the 1000M annular Redundant Ethernet of being made up of network cable, the video server of trailer drivers' cab is stored, video server by VGA interface and RS232 interface with the vision signal decoding and displaying selected on the LCD touch-screen display, three layers that form video data are disperseed memory mechanisms.
Video server described in the utility model is installed in head, tail drivers' cab, and this video server comprises CPU base plate, power transfer module, communication interface, VGA interface, antivibration hard disk and CF card.
Communication interface described in the utility model comprises the network interface card interface of RS232 interface, RS485 interface, USB interface and at least two 1000M, one of them network interface card interface connects media gateway, and another network interface card interface connects the outside portable diagnostic unit that is used for user management and safeguards video data.
Video server described in the utility model is equipped with operating system and is used for video data management operated system software, and wherein, operating system and systems soft ware are installed in the above-mentioned CF card, and video data is stored in the interior antivibration hard disk of video server.
RS485 interface one tunnel in the video server described in the utility model is connected with outside train management system, and another road is connected with outside train power supply delay switch, and Third Road links to each other with the ZEM interface of media gateway as numeral warning output interface.
The power supply that the power transfer module of video server described in the utility model provides by feed cable input vehicle, the power supply after the output conversion is given the power supply of LCD touch-screen display.
Media gateway described in the utility model is installed in the compartment, every joint guest room of train, the Uninterruptible Power Module that it comprises video compression/logging modle, communication control module, power transfer module, ZEM, industrial switch module, antivibration hard disk and is used for the power-off protection hard disk.
The power supply that the power transfer module of media gateway described in the utility model provides by feed cable input vehicle, the power supply after the output conversion are given 360 ° of panoramic cameras or the power supply of hemisphere thermal camera.
Industrial switch module in the media gateway described in the utility model comprises that at least two are used for the 1000M network interface that is connected with other media gateway or redundant loop.
Run through the whole car of link with a network cable between the media gateway in each compartment, guest room described in the utility model, form the annular Redundant Ethernet of a 1000M by the network interface of industrial switch module.
Also comprise the Wireless Telecom Equipment interface that is used for ground communication in the industrial switch module of media gateway described in the utility model.
Feed cable interface described in the utility model and network cable interface all adopt the terminal board of antivibration anti-impact.
System and device of the present utility model also comprises the general aviation connector that can avoid the bandwidth decay when network cable is crossed the hitch place.
Compared with prior art, the utlity model has following advantage:
(1) the utility model can realize that video camera transmits storage in the video server of head, tail drivers' cab and in the hard disk of local media gateway simultaneously, realizes that three layers are disperseed memory mechanism, guarantee the integrality and the fail safe of data;
(2) the utility model adopts a network cable to run through car load, forms a 1000M annular Redundant Ethernet, and wiring is succinct, and autgmentability is strong;
(3) network cable is crossed the car place of purchasing and is adopted special-purpose aviation connector, has avoided the transmission medium of network when crossing hitch to have physics to disconnect and has caused the decay of Network Transmission bandwidth;
(4) antivibration anti-impact design of the present utility model can compatible complex electromagnetic environments and vibration environment.
Description of drawings
Fig. 1 is the system configuration schematic diagram of the utility model specific embodiment;
Fig. 2 is the structural representation of the utility model specific embodiment video server.
Embodiment
Below in conjunction with specific embodiment a kind of Vehicular video monitoring system with dispersion memory function described in the utility model is further set forth.
As shown in Figure 1, native system is applied to the subway train environment of 8 joint compartments, guest room and 2 drivers' cabs, comprise that model is the video server 1 of GL-5002, model is the media gateway 2 of MGW501E, model is the LCD touch-screen display 3 of PDS-1201A, and model is 360 ° of panoramic cameras 4 of M3, and model is the hemisphere thermal camera 5 of GL-423W/TA, model is the network cable 6 of LAN-FTP5, and model is the vision cable 7 of SYV-75-3 and the feed cable 8 that model is PW2*0.75.
Video server, media gateway, LCD touch-screen display, 360 ° of panoramic cameras and hemisphere thermal camera all detect and electric equipment electromagnetic compatibility test of EN50121-3-2-2000 rolling stock and limit value thereof by IEC61373-1999 " railway applications rolling stock equipment shock and vibration test " " detection, can in complex electromagnetic environments and vibration environment, work.
Network cable, vision cable and feed cable are low-smoke halogen-free cable, all by the detection of BS6853:1999 " Britain's carrying train design and construction fire prevention general specification ", have fire resistance.
Amounting to 2 hemisphere thermal cameras 5 in 32 360 ° of panoramic cameras 4 and the drivers' cab and will gather analog video image signals and be transferred to corresponding media gateway 2 in the compartment, guest room.The media gateway 2 in every joint compartment is passed through analog/digital conversion with the analog video image signals that receives, and compress by the MPEG-4 form, will compress good high-quality D1 (720 * 576 rate) respectively format digital video signal storage again in the hard disk of this section compartment media gateway.Simultaneously, also will compress good high-quality D1 format digital video signal is transferred to train head, trailer drivers' cab by vehicle-mounted Industrial Ethernet video server 1, carry out stored record, and with the camera video signal decoding and displaying selected on LCD touch-screen display 3.
Media gateway 2 is at the vedio data in storage this section compartment, this locality, simultaneously with the vedio data in this section compartment by the annular Redundant Ethernet network in the car, transfer to the video server 1 of head, tail drivers' cab, store simultaneously by head, tail video server 1, form three layers of storage backup mechanism of video file.Under the normal condition, the video file of media gateway 2 storages is to be used for local or long-range playback, and the video file of video server 1 storage is used for storage backup.
Native system also includes the clock interface of communicating by letter with outside train TMS (Train Management system), can obtain the unified clock information of subway completely from the TMS system, and function is set unified time to capital equipments such as all fronts video server 1, media gateway 2 during by the school in the systems soft ware.
Native system is by the Wireless Telecom Equipment access interface in the industrial switch module of media gateway 2, the operating state and the fault message of compressed video image signal, train capital equipment can be uploaded to station, ground or operation control centre by wireless network, use for ground.
Video server 1 is installed in train head, trailer drivers' cab, this main frame adopts no air bike to carry antivibration anti-impact industrial computer hardware configuration, as shown in Figure 2, this video server 1 comprises the antivibration hard disk of CPU base plate, power transfer module, communication interface, 1T capacity, the CF card and the VGA interface of 2G capacity.Wherein, the power supply that power transfer module provides by input DC110V vehicle, output DC12V power supply is given the power supply of LCD touch display screen; Communication interface comprises the two network interface card interfaces of RS232 interface, RS485 interface, USB interface and 10/100/1000Base-T, the transmission rate of 1000Mbps can be provided, one of them network interface card interface connects media gateway 2, and another network interface card interface connects outside PTU (portable diagnostic unit); The hard disk of video server 1 is used to store the video compression signal of all video cameras of permutation car, and memory time was greater than 72 hours; XPE operating system and systems soft ware are installed in the CF card, storage and operating system are separated, improve system reliability; Video server is connected LCD touch-screen display 3 by the RS232 interface with the VGA interface; RS485 interface one tunnel is connected with TMS, and another road is connected with train power supply delay switch, and Third Road links to each other with the ZEM interface of media gateway as numeral warning output interface.
During the native system debugging, also can by the adapter of one-to-two, connect mouse and keyboard and operate by mouse and the keyboard interface in the video server 1.
Native system according to receiving the signal (in determining which drivers' cab is to use) that TMS provides, is determined the main and standby relation of two video servers 1 after starting.If no tms signal, system determines active and standby with relation at random.
Adopt the heartbeat signal of per second 1 time to confirm the other side's existence between two video servers 1, when breaking down with main frame, backup host will be found the existence of fault about 3 seconds, and will start changeover program automatically when main.When active and standby with main frame one was broken down, an other main frame is operate as normal still, can continue to finish functions such as monitoring, record.
When in-vehicle network generation Single Point of Faliure, because whole local area network is a ring network structure, the view data of media gateway 2 still can be sent to two video servers 1 of head, trailer respectively, carries out the duplicated record storage.A video server 1 can be stored the video data of full train 26 tunnel according to the MPEG-4 standard of D1 format analysis processing simultaneously.
Each equipment running status and fault warning information in the video server 1 regular gathering system network.Running state information comprises the information such as beginning, concluding time and triggering type of LCD touch screen display 3 display frames, video server hard-disk capacity information, media gateway CPU usage, hard-disk capacity information, running time, internal temperature and network state.Fault warning information comprises that hard-disc storage insufficient space, disk read-write fault, network interrupt, camera video is lost, media gateway fault etc.
All running statuses and fault warning information are delivered to video server 1 and are gathered and store, and the simultaneous faults warning information also can carry out alarm on drivers' cab LCD touch-screen display 3.Operating personnel can directly pass through systems soft ware inquiry system equipment running status and fault warning information, and can pass through special-purpose software or device downloads.System preserves the running state information and the fault warning information in 1 week and carries out data analysis for the user.
In the compartment, every joint guest room of train, media gateway 2 is installed all, it is based on Embedded System Design, and media gateway 2 comprises the antivibration hard disk and the industrial switch module of video compression/logging modle, Uninterruptible Power Module, communication control module, power transfer module, ZEM, 1T capacity.
The media gateway 2 in non-head, compartment, tail guest room provides 4 road network network camera video input interfaces, be used for the video data of 4 360 ° of panoramic shooting heads 4 in each compartment, guest room is handled, the media gateway 2 in head, compartment, tail guest room then increases by 1 road video input interface, is used for the video data of head or tail drivers' cab hemisphere thermal camera 5 is handled.Be to improve device integration, reduce in-vehicle device quantity, the media gateway all compartments, guest room in provides the DC power supply output of DC12V, 2A, directly powers to the 360 ° of panoramic cameras 4 or the hemisphere thermal camera 5 in this compartment; For anti-locking system sudden power causes damage to the hard disk in the media gateway 2, its Uninterruptible Power Module can be realized the power-off protection hard disk.
Media gateway 2 inner integrated 8 mouthfuls of industrial switch module, the network interface of 3 1000M externally is provided, be used between main frame, PTU equipment and compartment interconnectedly between the media gateway 2, run through car load with a network cable 6 between the media gateway 2, form the annular Redundant Ethernet of a 1000M.The connector that network cable 6 is crossed hitch adopts the general aviation connector 9 that can avoid the bandwidth decay.
The hard disk that media gateway 2 carries is used for local real-time storage image/video data, and its stored record time was greater than 30 days.Outside OOC control centre can pass through wireless-transmission network, network into the car, access medium gateway 2, real-time calling train video monitoring view data.
The hard disk of video server 1 and media gateway 2 all adopts professional antivibration anti-impact hard disk as storage medium, reduce the probability that damages hard disk owing to vibratory impulse, adopt the storage mode store video images of first in first out, when the memory space inadequate of video server 1 or media gateway 2, system will send warning on the drivers' cab touch screen human-computer interface, and begin to start the mechanism of covering, cover the video image file of oldest stored automatically.
Head, the hemisphere thermal camera 5 of tail drivers' cab mainly is to gather in the drivers' cab and the image of track, be stored in the media gateway 2 by vision cable 7 transmission, this video camera is a low-light (level), infrared camera, lens focus is 2.8mm, power by feed cable 8 input DC12V power supplys by video server 1, adopt color mode at ordinary times, when ambient light illumination is lower than 1.2lux, transfer white-black pattern to, the environment that does not have light in the subterranean tunnel of suitable metro operation environment and the drivers' cab at ordinary times, it adopts the mount pad fixed form to be installed on the smallpox top board of train operator chamber, and the position is far from the about 20 centimeters places of left side wall.
Construct according to the train inner space, and the supervision emphasis of guest room, 4 360 ° of panoramic cameras 4 all are installed in each guest room, 4 video camera installation sites all are offset in the middle of the guest room (to avoid the middle passenger's handle rod in compartment) a little, and under the image that guarantees the whole guest room of complete documentation, 360 ° of panoramic cameras 4 are arranged in allow as far as possible the position of car door emergency brake location drawing picture maximum.Simultaneous camera is close to compartment smallpox top board installation, and considers that the guest room decorative environment combines together.These 360 ° of panoramic cameras 4 adopt three mega pixel high-resolution color image sensor and bugeye lenses, make the separate unit video camera just can monitor whole space (10mx10m) in real time.
These 360 ° of panoramic cameras 4 provide DC12V power supply by media gateway local 2 by feed cable 8, no The Cloud Terrace does not have any mechanical gyro unit, need not rotation and can realize global monitoring, realize that in inactive state 360 spend the macroscopic views shooting of overall ranges, whole process can realize uninterrupted shooting.The image resolution ratio of captured collection is D1 (720 * 576 point), frame per second is 12frame/s, then video data is handled by the media gateway 2 that vision cable 7 transfers in this section guest room, after media gateway 2 writes vedio data with information such as train body number, image capture time, camera number, image watermarks, by standard MPEG-4 form vedio data is compressed, adopt D1 form compression back code check 1.5-4Mbit/S.
But the touch force (scalable) of the LCD touch-screen display 3 perception 100g in head, the tail drivers' cab, and can bear the single-point touches that surpasses more than 500000 times.Video server 1 connects in-vehicle network access medium gateway 2 by systems soft ware, calls selected camera signal and shows on the man-machine interface of touch-screen, offers the drivers' cab staff and watches.
Because under single screen display mode, the driver can not check the field condition of each guest room fast, in addition because touch-screen is smaller, 9 split screens and 16 split screens make that the shared display area of each image is smaller, the driver can not directly see the image of guest room clearly, therefore, system default shows the video image of guest room and drivers' cab for adopting 4 split screen taking turns.
Native system also has the alarm linkage function.As the release of passenger compartment doors emergency release handle, guest room urgent intercommunication point work, the drivers' cab compartment door is opened etc. and to be reported to the police when taking place, for making things convenient for the driver in time to view the pairing video monitoring image of alert event, video server 1 is after the emergency triggering signal that receives the TMS transmission, the Control on Communication of the ZEM by its digital warning output interface and media gateway 2, on drivers' cab LCD touch-screen display 3, show corresponding video image immediately, LCD touch-screen display 3 is with the video image of the guest room of 1 corresponding video camera shooting of the real-time display alarm incident of big picture, the icon of corresponding video camera becomes redness, and simultaneously corresponding overlaying character also becomes redness and carries out alarm prompt.If there are a plurality of warnings, then the mode with taking turn shows the pairing video monitoring image of All Alerts incident.
Under the normal condition, drivers' cab LCD touch-screen display 3 is screen protection ash screen state (no image shows), and when the driver clicked display screen or alarm linkage triggering, display screen just showed the picture of associated picture.Video server 1 is the information such as beginning, concluding time and triggering type of record display screen display frame automatically, and by the display screen query display and by special-purpose software or the relevant record of device downloads.Operating personnel also can be as required, and changing its display mode by touch screen operation or PTU management control software is that 1 split screen shows any 1 road camera video monitoring picture of checking this train.
On LCD touch-screen display 3, the operating personnel of mandate can or use PTU video management software to be connected to internal system network access medium gateway 2 or video server 1 by login system software, carry out playback of video files or download.Inquire the video record file of needs operating personnel after,, can realize checking the particular content of video record by playback function.When playback, basic functions such as operating personnel can select normal speed, F.F. (multistage), rewind down (multistage), slow-motion, move back slowly, single frames advance and retreat, time-out, and support function expansion.Because information such as number information, temporal information and the train body of video camera number, running number also are stored in the video record file of MPEG-4 form simultaneously, in the process of image reproducing, will be displayed in the title bar above the image, and can avoid the user being checked that image causes interference at the direct overlaying character of image frame.
The file in PTU software can be downloaded Vehicular video server 1, Vehicular video server 1 does not provide the file of any way to download, and bans use of directly copied files from the Vehicular video server 1 of modes such as portable hard drive, USB flash disk, share directory.
Systems soft ware has Systems Operator, two kinds of rights managements of system manager.Wherein behind operator's login system software, in the time of can only carrying out some image previews relevant, school with its work, operations such as Operation Log inquiry, fault log inquiry and image reproducing, and behind keeper's login system software, can carry out operators such as system's setting, downloaded stored image, password modification the operation that can not carry out.
Native system also provides software development kit (SDK), realizing the secondary development to native system, and embeds other application software at native system.Software development kit provides function development supports such as management, configuration, monitoring, warning, and the communication control processor of mobile unit and ground installation is provided.
Execution mode of the present utility model is not limited thereto, according to foregoing, ordinary skill knowledge and customary means according to this area, do not breaking away under the above-mentioned basic fundamental thought of the utility model prerequisite, equivalent modifications, replacement or change that the utility model can also be made other various ways all can realize the utility model purpose.
Claims (10)
1. one kind has the Vehicular video monitoring system that disperses memory function, it is characterized in that comprising: the video server that is used to monitor and store full car video data, be used for video signal collective, the media gateway of coding and storage, be used for the LCD touch-screen display that video monitoring image shows, 360 ° of panoramic cameras that are used for shooting in the guest room, be used to gather the hemisphere thermal camera of drivers' cab and track video data, the network cable that is used for the ethernet network transfer of data is used for the vision cable of video analog signal transmission and is used for the feed cable that above-mentioned all devices are powered;
360 ° of panoramic cameras and the hemisphere thermal camera in the drivers' cab in the compartment, guest room are gathered analog video signal, be transferred to corresponding media gateway by the TNC connector by vision cable, media gateway is passed through analog/digital conversion with the analog video signal that receives, and compress, digital video signal after will compressing again is stored in the hard disk of local media gateway, simultaneously, this digital video signal transmits to the end simultaneously by the 1000M annular Redundant Ethernet of being made up of network cable, the video server of trailer drivers' cab is stored, video server by VGA interface and RS232 interface with the vision signal decoding and displaying selected on the LCD touch-screen display, three layers that form video data are disperseed memory mechanisms.
2. the Vehicular video monitoring system with dispersion memory function according to claim 1, it is characterized in that: described video server is installed in head, tail drivers' cab, and this video server comprises CPU base plate, power transfer module, communication interface, VGA interface, antivibration hard disk and CF card.
3. the Vehicular video monitoring system with dispersion memory function according to claim 2, it is characterized in that: described communication interface comprises the network interface card interface of RS232 interface, RS485 interface, USB interface and at least two 1000M, one of them network interface card interface connects media gateway, and another network interface card interface connects the outside portable diagnostic unit that is used for user management and safeguards video data.
4. the Vehicular video monitoring system with dispersion memory function according to claim 2, it is characterized in that: operating system is installed in the described video server and is used for video data management operated system software, wherein, operating system and systems soft ware are installed in the CF card, and video data is stored in the interior antivibration hard disk of video server.
5. the Vehicular video monitoring system with dispersion memory function according to claim 3, it is characterized in that: the RS485 interface one tunnel in the described video server is connected with outside train management system, another road is connected with outside train power supply delay switch, and Third Road links to each other with the ZEM interface of media gateway as numeral warning output interface.
6. the Vehicular video monitoring system with dispersion memory function according to claim 1; it is characterized in that: described media gateway is installed in the compartment, every joint guest room of train, the Uninterruptible Power Module that it comprises video compression/logging modle, communication control module, power transfer module, ZEM, industrial switch module, antivibration hard disk and is used for the power-off protection hard disk.
7. according to claim 6 have a Vehicular video monitoring system that disperses memory function, it is characterized in that: the industrial switch module in the described media gateway comprises that at least two are used for the 1000M network interface that is connected with other media gateway or redundant loop.
8. the Vehicular video monitoring system with dispersion memory function according to claim 6, it is characterized in that: run through the whole train of connection with a network cable between the described media gateway, form the annular Redundant Ethernet of a 1000M by the network interface of industrial switch module.
9. the Vehicular video monitoring system with dispersion memory function according to claim 7 is characterized in that: also comprise the Wireless Telecom Equipment interface that is used for ground communication in the described industrial switch module.
10. the Vehicular video monitoring system with dispersion memory function according to claim 1, it is characterized in that: described feed cable interface and network cable interface all adopt the terminal board of antivibration anti-impact.
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| CN 201120063850 CN201967049U (en) | 2011-03-11 | 2011-03-11 | Vehicle-borne video monitoring system with scattered storage function |
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Cited By (10)
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| CN102123274A (en) * | 2011-03-11 | 2011-07-13 | 广州国联通信有限公司 | Vehicle-mounted monitoring system with scatter storage function |
| EP2571265A2 (en) | 2011-09-15 | 2013-03-20 | Rail & Road Protec GmbH | Rail vehicle with a video surveillance system and video surveillance system for a rail vehicle |
| DE102011113347A1 (en) * | 2011-09-15 | 2013-03-21 | Feldmann+Schultchen Design Studios Gmbh | Drinking cup made of foldable flat material |
| CN103475859A (en) * | 2013-08-29 | 2013-12-25 | 上海铁路通信有限公司 | Distributed storage centralized control system applicable to rail transit vehicle |
| CN104718119A (en) * | 2012-05-11 | 2015-06-17 | 安纳维欧金融公司 | Overhead surveillance system and components therefor |
| CN105141438A (en) * | 2015-06-08 | 2015-12-09 | 南车青岛四方机车车辆股份有限公司 | Passenger information display system network configuration method and device, and information display system |
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| CN111194276A (en) * | 2017-10-12 | 2020-05-22 | 高通股份有限公司 | Alternate display options for vehicle indication |
| TWI735201B (en) * | 2020-04-09 | 2021-08-01 | 台灣高速鐵路股份有限公司 | Vehicle end wall display device for railway vehicle |
| CN113747096A (en) * | 2021-09-08 | 2021-12-03 | 青岛汉桦电子科技有限公司 | Vehicle-mounted network video recording system applied to rail transit environment |
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- 2011-03-11 CN CN 201120063850 patent/CN201967049U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102123274B (en) * | 2011-03-11 | 2013-03-13 | 广州国联通信有限公司 | Vehicle-mounted monitoring system with scatter storage function |
| CN102123274A (en) * | 2011-03-11 | 2011-07-13 | 广州国联通信有限公司 | Vehicle-mounted monitoring system with scatter storage function |
| DE102011113340B4 (en) * | 2011-09-15 | 2016-04-21 | Rail & Road Protec GmbH | Rail vehicle with a video surveillance system |
| EP2571265A2 (en) | 2011-09-15 | 2013-03-20 | Rail & Road Protec GmbH | Rail vehicle with a video surveillance system and video surveillance system for a rail vehicle |
| DE102011113347A1 (en) * | 2011-09-15 | 2013-03-21 | Feldmann+Schultchen Design Studios Gmbh | Drinking cup made of foldable flat material |
| DE102011113340A1 (en) * | 2011-09-15 | 2013-03-21 | Rail & Road Protec GmbH | Rail vehicle with a video surveillance system |
| EP2571265A3 (en) * | 2011-09-15 | 2014-01-15 | Rail & Road Protec GmbH | Rail vehicle with a video surveillance system and video surveillance system for a rail vehicle |
| CN104718119A (en) * | 2012-05-11 | 2015-06-17 | 安纳维欧金融公司 | Overhead surveillance system and components therefor |
| CN103475859A (en) * | 2013-08-29 | 2013-12-25 | 上海铁路通信有限公司 | Distributed storage centralized control system applicable to rail transit vehicle |
| CN105141438A (en) * | 2015-06-08 | 2015-12-09 | 南车青岛四方机车车辆股份有限公司 | Passenger information display system network configuration method and device, and information display system |
| CN105141438B (en) * | 2015-06-08 | 2019-02-01 | 中车青岛四方机车车辆股份有限公司 | Network collocating method, device and the information display system of Customer information display system |
| CN111194276A (en) * | 2017-10-12 | 2020-05-22 | 高通股份有限公司 | Alternate display options for vehicle indication |
| CN111194276B (en) * | 2017-10-12 | 2023-03-14 | 高通股份有限公司 | Alternate display options for vehicle indication |
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| CN109532952B (en) * | 2018-11-06 | 2021-02-26 | 中车大连机车研究所有限公司 | Intelligent display monitoring system for urban rail vehicle |
| TWI735201B (en) * | 2020-04-09 | 2021-08-01 | 台灣高速鐵路股份有限公司 | Vehicle end wall display device for railway vehicle |
| CN113747096A (en) * | 2021-09-08 | 2021-12-03 | 青岛汉桦电子科技有限公司 | Vehicle-mounted network video recording system applied to rail transit environment |
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