CN102821269A - 3G remote video transmission system for motor train unit - Google Patents
3G remote video transmission system for motor train unit Download PDFInfo
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- CN102821269A CN102821269A CN2012102736218A CN201210273621A CN102821269A CN 102821269 A CN102821269 A CN 102821269A CN 2012102736218 A CN2012102736218 A CN 2012102736218A CN 201210273621 A CN201210273621 A CN 201210273621A CN 102821269 A CN102821269 A CN 102821269A
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Abstract
The invention discloses a 3G remote video transmission system for a motor train unit. The remote video transmission system for the motor train unit comprises front-end equipment, a 3G transmission network and a backstage center, wherein the 3G transmission network is in signal connection with the front-end equipment; and the backstage center is connected with the 3G transmission network. The system is capable of recording and transmitting the running state data of the train throughout, monitoring and recording the video and audio data inside and outside of the train in multi-angle and real time. The train crew members and the public security officers can know the running state and position of the train anywhere and anytime, and can take effective measures to guarantee the life and property security of the public once an accident occurs. The train video data can provide strong evidence for tracking and classifying responsibility to managers, police officers and judicial officers after disputes and criminal cases occur, bring greater security to the passengers and provide more favorable materials and evidence when the criminal cases occur.
Description
Technical field
The present invention relates to network video monitor and control system, specifically is a kind of 3G long-distance video transmission system that is used for EMUs.
Background technology
Flourish along with China's train passenger traffic cause; The operation personnel more and more are much accounted of in operation process safe, management; In all parts of the country constantly take place passenger and operation personnel because of steal a ride, dispute takes place in problem such as attitude; Simultaneously, the delinquent case of on theft on the train train seat, robbery and train, fighting happens occasionally, and has brought greatly dangerous for passenger's personal safety of trip.
Summary of the invention
The present invention is directed to the above-mentioned deficiency that exists in the prior art, a kind of 3G long-distance video transmission system that is used for EMUs is provided.
The present invention realizes through following technical scheme.
A kind of 3G long-distance video transmission system that is used for EMUs; Said 3G long-distance video transmission system is used for EMUs, comprises headend equipment, 3G transmission network and center, backstage, and said 3G transmission network is connected with the headend equipment signal; Center, said backstage is connected with the 3G transmission network, wherein:
-headend equipment is used for video, the audio-frequency information of collection site, and with the message transmission that collects to the 3G transmission network;
-3G transmission network, the video that is used for headend equipment is gathered, audio-frequency information through any two kinds of standard joint transmission among mobile network EVDO, WCDMA, the TD-SCDMA or separately transmission and adaptive flow control transmission to the center, backstage;
Center ,-backstage is used to receive aforementioned video, audio-frequency information, and video, audio-frequency information handle, and is delivered to display terminal, by the user scene is monitored in real time and is managed.
Said headend equipment is a 3G long-distance video all-in-one, comprises interconnective camera, ccd image sensor, miaow head, loudspeaker, dsp code module, power module, 3G transport module, wherein:
-camera is used for the collection site image, and image scene is transferred to ccd image sensor;
-ccd image sensor, receive image scene after, image is changed into the needed digital signal of dsp code module;
-miaow head is used for the audio frequency acquiring data and voice data is imported the dsp code module;
-dsp code module is used for audio frequency, video data acquiring compression memory to built-in memory module, if request audio frequency, video instructions are sent in the center, backstage, the dsp code module is just delivered to the 3G transport module after audio frequency, the video data acquiring compression; If the speech data of control execute-in-place is sent at the center, backstage, the dsp code module outputs to loudspeaker after speech data is decoded;
-3G transport module, be used for above-mentioned audio frequency, video data through the 3G wireless network transmissions to the backstage central server; And be responsible for receiving the voice messaging that execute-in-place is controlled at the center, backstage, and voice messaging is transferred to the dsp code module;
-power module links to each other with above-mentioned each module.
Said camera adopts up-to-date sony CCD sensor; Said power module is the Ni-MH battery group, but support equipment moves 8 hours always; Can move 72 hours under the holding state.
Said headend equipment also comprises infrared light filling lamp, and said infrared light filling lamp is used to optimize the camera collection video information.
Said memory module is the SD card.
Said 3G transport module adopts multimode doubling transmission means.
Center, said backstage comprises interconnective system management module, real time flow medium service module, control service module, log service module, character matrix service module, reports to the police and transmit service module, centralized stores service module, database service module, webmaster service module, wherein:
-system management module, the memory module in the responsible scheduling headend equipment and the centralized stores service module and the user configuration information at center, backstage, and carry out unified monitoring, management, scheduling distribution; When the user asked displaying video, dynamic dispatching distributed streaming media resource simultaneously, realized load balancing;
-real time flow medium service module is responsible for the video data stream buffer memory of headend equipment transmission, is distributed to a plurality of video request terminal, to alleviate headend equipment self bandwidth bottleneck and to reduce network bandwidth utilization; When the control service module lost efficacy, the real time flow medium service module was realized the cradle head control function;
-control service module, the cradle head control of realization headend equipment;
-log service module, the User operation log of responsible storage whole system, system journal, service operation daily record etc., the user is provided with the time of log store through configuration;
-character matrix service module, it is equal to client, realizes not taking the computer CPU resource by video decode through hardware decoding card, and adopts the client control mode, realizes that multiway images outputs to video wall;
-report to the police and transmit service module, be responsible for the reception and the forwarding of warning message, realize the alarm linkage function;
-centralized stores service module; Be responsible for from a plurality of headend equipments, selecting important video and concentrate the digitlization back-up job; Setting according to the user; Regularly the video record of camera lens to the centralized stores service module, and offer the client-side information inquiry, interface be set, the document flow medium forwarding that provides telefile and DVR file playback to use is simultaneously served;
-database service module is responsible for providing database unified external access interface, provides uniform services for system distributes to dispose;
-webmaster service module is in charge of the equipment on the network, and said equipment comprises DVR, optical transceiver, the operating state of collecting device simultaneously, and represent with chart, report form.
Said real time flow medium service module, but its for every DVR/DVS equipment associated configuration several, and according to distance respectively the configuration preference level is from high to low.
Said real time flow medium service module can support the clear video of 300 road signs to transmit, and supports 150 road HD videos to transmit.
Service module is transmitted in said warning, and after it was reported to the police and triggers, according to user's configuration, the user video of interlock configuration was checked automatically, playing back videos, and support the note sending function.
The 3G long-distance video transmission system that is used for EMUs provided by the invention can omnidistancely write down transport condition data, the multi-angle of transmission train and monitor and record Che Neiche outer sound, video data in real time.Train crew member and public security officer can understand the running status and the position of vehicle anywhere or anytime, in case something unexpected happened can be adopted an effective measure in the very first time, ensure the public's safety of life and property.And vehicle-mounted Video Document; Can the strong evidence of handling a case be provided for manager, public security police and judicial personnel trace and divide responsibility after dispute and criminal case take place, bring bigger safety and when the method crime case takes place, more favourable material and evidence can be provided for passenger's person.
Description of drawings
Fig. 1 is a system construction drawing of the present invention;
Fig. 2 is the system construction drawing of the 3G long-distance video all-in-one among the present invention;
Fig. 3 is the fundamental diagram that 3G transport module of the present invention adopts multimode doubling transmission means;
Fig. 4 is the fundamental diagram at center, backstage of the present invention.
Embodiment
Elaborate in the face of embodiments of the invention down: present embodiment provided detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment being to implement under the prerequisite with technical scheme of the present invention.
Embodiment
Present embodiment is used for EMUs, and is as shown in Figure 1, and present embodiment comprises: headend equipment, 3G transmission network and center, backstage three parts, and said 3G transmission network is connected with the headend equipment signal, and center, said backstage is connected with the 3G transmission network, wherein:
Said headend equipment is responsible for video, the audio-frequency information of collection site, and with the message transmission that collects to the 3G transmission network;
The video that said 3G transmission network is gathered headend equipment, audio-frequency information through any two kinds of standard joint transmission among EVDO, WCDMA, the TD-SCDMA among the mobile network or separately transmission and adaptive flow control transmission to the center, backstage;
Center, said backstage receives aforementioned video, audio-frequency information, and video, audio-frequency information handle, and is delivered to display terminal, by the user scene is monitored in real time and is managed.
In the present embodiment, said headend equipment is 3G long-distance video all-in-one, comprising: camera, ccd image sensor, memory module, miaow head, loudspeaker, dsp code module, power module, 3G transport module, wherein,
Camera is responsible for the collection site image, and image scene is transferred to ccd image sensor; After ccd image sensor receives image scene, image is changed into the needed digital signal of dsp code module; The miaow head is responsible for the audio frequency acquiring data and voice data is imported the dsp code module; In built-in memory module, if request audio frequency, video instructions are sent in the center, backstage, the dsp code module is just delivered to the 3G transport module after audio frequency, the video data acquiring compression to the dsp code module with audio frequency, video data acquiring compression memory; If the speech data of control execute-in-place is sent at the center, backstage, the dsp code module outputs to loudspeaker after speech data is decoded; The 3G transport module is responsible for above-mentioned audio frequency, video data are passed through the 3G wireless network transmissions to the central server of backstage; And be responsible for receiving the voice messaging that execute-in-place is controlled at the center, backstage, and voice messaging is transferred to the dsp code module; Said power module links to each other with above-mentioned each module.
In the present embodiment, said camera adopts up-to-date sony CCD sensor, and concrete parameter is following:
In the present embodiment, said power module is the Ni-MH battery group, but support equipment moves 8 hours always; Can move 72 hours under the holding state.
In the present embodiment, also comprise: infrared light filling lamp is used to optimize the camera collection video information.
In the present embodiment, said memory module is the SD card.
In the present embodiment, said 3G transport module adopts multimode doubling transmission means.
Present embodiment is through above-mentioned design, and 3G long-distance video all-in-one has following characteristics:
1) IP66 degree of protection design;
2) low-bandwidth network of clear video transmission;
3) reliable end-to-end data encryption;
4) video image quality.
It is following that present embodiment relates to concrete parameter:
Resolution: D1, CIF, QCIF is configurable;
Code check: 20kbps～2000kbps is configurable;
Code check can be regulated automatically;
Frame per second: 1～25 frame, can regulate automatically;
Resolution: D1;
Code check: 1000kbps;
Frame per second: 25 frames.
As shown in Figure 2; Center, said backstage; Comprise: system management module, real time flow medium service module, control service module, log service module, character matrix service module, report to the police forwarding service module, centralized stores service module, database service module, webmaster service module, wherein:
Said system management module, the memory module in the responsible scheduling headend equipment and the centralized stores service module and the user configuration information at center, backstage, and carry out unified monitoring, management, scheduling distribution; When the user asked displaying video, dynamic dispatching distributed streaming media resource simultaneously, realized load balancing.
Said real time flow medium service module is responsible for the video data stream buffer memory of headend equipment transmission, is distributed to a plurality of video request terminal, to alleviate headend equipment self bandwidth bottleneck and to reduce network bandwidth utilization; When the control service module lost efficacy, the real time flow medium service module was realized the cradle head control function;
Said control service module, the cradle head control of realization headend equipment;
Said log service module, the User operation log of responsible storage whole system, system journal, service operation daily record etc., the user is provided with the time of log store through configuration;
Said character matrix service module, it is equal to client, realizes not taking the computer CPU resource by video decode through hardware decoding card, and adopts the client control mode, realizes that multiway images outputs to video wall;
Service module is transmitted in said warning, is responsible for the reception and the forwarding of warning message, realizes the alarm linkage function;
Said centralized stores service module; Be responsible for from a plurality of headend equipments, selecting important video and concentrate the digitlization back-up job; Setting according to the user; Regularly the video record of camera lens to the centralized stores service module, and offer the client-side information inquiry, interface be set, the document flow medium forwarding that provides telefile and DVR file playback to use is simultaneously served;
Said database service module is responsible for providing database unified external access interface, provides uniform services for system distributes to dispose;
Said webmaster service module, the equipment on the network be in charge of be like DVR, optical transceiver, and system service etc., the operating state of collecting device simultaneously, and represent with forms such as chart, forms.
In the present embodiment, said real time flow medium service module, but its for every DVR/DVS equipment associated configuration several, and according to distance respectively the configuration preference level is from high to low.
In the present embodiment, said real time flow medium service module can support the clear video of 300 road signs to transmit, and supports 150 road HD videos to transmit.
In the present embodiment, service module is transmitted in said warning, and after it was reported to the police and triggers, according to user's configuration, the user video of interlock configuration was checked automatically, playing back videos, and support the note sending function.
In the present embodiment; Center, said backstage; The image that is primarily aimed at 3G long-distance video all-in-one is handled; The image information that can as required the front end video transmission equipment be collected shows with various forms, as outputs to various ways such as computer client, panel computer, handheld device, mobile phone, is convenient to the leader and commands anywhere or anytime on the backstage.
More than specific embodiment of the present invention is described.It will be appreciated that the present invention is not limited to above-mentioned specific implementations, those skilled in the art can make various distortion or modification within the scope of the claims, and this does not influence flesh and blood of the present invention.
Claims (10)
1. 3G long-distance video transmission system that is used for EMUs; It is characterized in that; Said 3G long-distance video transmission system is used for EMUs, comprises headend equipment, 3G transmission network and center, backstage, and said 3G transmission network is connected with the headend equipment signal; Center, said backstage is connected with the 3G transmission network, wherein:
-headend equipment is used for video, the audio-frequency information of collection site, and with the message transmission that collects to the 3G transmission network;
-3G transmission network, the video that is used for headend equipment is gathered, audio-frequency information through any two kinds of standard joint transmission among mobile network EVDO, WCDMA, the TD-SCDMA or separately transmission and adaptive flow control transmission to the center, backstage;
Center ,-backstage is used to receive aforementioned video, audio-frequency information, and video, audio-frequency information handle, and is delivered to display terminal, by the user scene is monitored in real time and is managed.
2. the 3G long-distance video transmission system that is used for EMUs according to claim 1; It is characterized in that; Said headend equipment is a 3G long-distance video all-in-one, comprises interconnective camera, ccd image sensor, miaow head, dsp code module, power module, 3G transport module, wherein:
-camera is used for the collection site image, and image scene is transferred to ccd image sensor;
-ccd image sensor, receive image scene after, image is changed into the needed digital signal of dsp code module;
-miaow head is used for the audio frequency acquiring data and voice data is imported the dsp code module;
-dsp code module is used for audio frequency, video data acquiring compression memory to built-in memory module, if request audio frequency, video instructions are sent in the center, backstage, the dsp code module is just delivered to the 3G transport module after audio frequency, the video data acquiring compression; If the speech data of control execute-in-place is sent at the center, backstage, the dsp code module outputs to loudspeaker after speech data is decoded;
-3G transport module, be used for above-mentioned audio frequency, video data through the 3G wireless network transmissions to the backstage central server; And be responsible for receiving the voice messaging that execute-in-place is controlled at the center, backstage, and voice messaging is transferred to the dsp code module;
-power module links to each other with above-mentioned each module.
3. the 3G long-distance video transmission system that is used for EMUs according to claim 2 is characterized in that, said camera adopts sony CCD sensor; Said power module is the Ni-MH battery group.
4. the 3G long-distance video transmission system that is used for EMUs according to claim 2 is characterized in that said headend equipment also comprises infrared light filling lamp, and said infrared light filling lamp is used to optimize the camera collection video information.
5. the 3G long-distance video transmission system that is used for EMUs according to claim 2 is characterized in that said memory module is the SD card.
6. the 3G long-distance video transmission system that is used for EMUs according to claim 2 is characterized in that, said 3G transport module adopts multimode doubling transmission means.
7. the 3G long-distance video transmission system that is used for EMUs according to claim 1; It is characterized in that; Center, said backstage comprises interconnective system management module, real time flow medium service module, control service module, log service module, character matrix service module, reports to the police and transmit service module, centralized stores service module, database service module, webmaster service module, wherein:
-system management module, the memory module in the responsible scheduling headend equipment and the centralized stores service module and the user configuration information at center, backstage, and carry out unified monitoring, management, scheduling distribution; When the user asked displaying video, dynamic dispatching distributed streaming media resource simultaneously, realized load balancing;
-real time flow medium service module is responsible for the video data stream buffer memory of headend equipment transmission, is distributed to a plurality of video request terminal, to alleviate headend equipment self bandwidth bottleneck and to reduce network bandwidth utilization; When the control service module lost efficacy, the real time flow medium service module was realized the cradle head control function;
-control service module, the cradle head control of realization headend equipment;
-log service module, the User operation log of responsible storage whole system, system journal, service operation daily record etc., the user is provided with the time of log store through configuration;
-character matrix service module, it is equal to client, realizes not taking the computer CPU resource by video decode through hardware decoding card, and adopts the client control mode, realizes that multiway images outputs to video wall;
-report to the police and transmit service module, be responsible for the reception and the forwarding of warning message, realize the alarm linkage function;
-centralized stores service module; Be responsible for from a plurality of headend equipments, selecting important video and concentrate the digitlization back-up job; Setting according to the user; Regularly the video record of camera lens to the centralized stores service module, and offer the client-side information inquiry, interface be set, the document flow medium forwarding that provides telefile and DVR file playback to use is simultaneously served;
-database service module is responsible for providing database unified external access interface, provides uniform services for system distributes to dispose;
-webmaster service module is in charge of the equipment on the network, and said equipment comprises DVR, optical transceiver, the operating state of collecting device simultaneously, and represent with chart, report form.
8. the 3G long-distance video transmission system that is used for EMUs according to claim 7 is characterized in that, said real time flow medium service module, but its for every DVR/DVS equipment associated configuration several, and according to distance respectively the configuration preference level is from high to low.
9. the 3G long-distance video transmission system that is used for EMUs according to claim 8 is characterized in that, said real time flow medium service module can support the clear video of 300 road signs to transmit, and supports 150 road HD videos to transmit.
10. the 3G long-distance video transmission system that is used for EMUs according to claim 7 is characterized in that, service module is transmitted in said warning; After it was reported to the police and triggers, according to user's configuration, the user video of interlock configuration was checked automatically; Playing back videos, and support the note sending function.
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| CN104735394A (en) * | 2013-12-19 | 2015-06-24 | 广州市地下铁道总公司 | Video on demand method and system for city rail train |
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| CN110335438A (en) * | 2019-06-20 | 2019-10-15 | 武汉理工大学 | A kind of hydrogen fuel cell safety of ship protection system and guard method |
| CN111741273A (en) * | 2020-08-21 | 2020-10-02 | 北京全路通信信号研究设计院集团有限公司 | Train video tracking monitoring system and method |
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