CN101552900A - Digital video information transceiver system on maglev train and stations in subway, light rail and railway - Google Patents
Digital video information transceiver system on maglev train and stations in subway, light rail and railway Download PDFInfo
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- CN101552900A CN101552900A CNA2008100109174A CN200810010917A CN101552900A CN 101552900 A CN101552900 A CN 101552900A CN A2008100109174 A CNA2008100109174 A CN A2008100109174A CN 200810010917 A CN200810010917 A CN 200810010917A CN 101552900 A CN101552900 A CN 101552900A
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Abstract
The invention relates to the field of mobile broadcast television information release, particularly to a digital video information transceiver system on maglev trains and stations in subways, light rails and railways. The digital video information transceiver system is formed by the following structures: a satellite television, a cable television, a DVD and a self-made television feature program; the output end of an advertisement information transceiver system is connected with the input end of a digital video production system; the output end of the digital video production system is connected with the input end of a digital video broadcasting system; the output end of the digital video broadcasting system is connected with the input end of a wire or wireless network transmission system; the output end of the wire network transmission system is connected with the input end of a station and train wire terminal display system; and the output end of the wireless network transmission system is connected with the input end of a station and train wireless terminal display system. The digital video information transceiver system is a powerful tool and means for obtaining real time information immediately and has large political, economical and social benefits.
Description
Technical field
The present invention relates to the mobile broadcast television information release field, relate in particular to subway light rail railway magnetic suspension train, station digital video information transceiver system.
Background technology
Rail transit train, the mutual mobile video information receive-transmit system in station are China's autonomous innovation products.Central People's Broadcasting Station on June 8 nineteen eighty-three 6.30～7.00 news hookups reports early: " can see TV by train; China's first row passenger train closed-circuit television is succeeded in developing in Shenyang Railway Bureau ", caused a sensation at that time both at home and abroad (not only domestic, abroad also do not have), this project is exactly this patent designer research and development.
July 22 in 2004, the Japan Patent designer declared " railroad train digitlization open and close road radio data system " patent, and on October 5th, 2005, the bulletin whole nation was an open and close road television system with the cable TV on train system upgrade, gain the national patent.
But because the development of China's track traffic also has subway, light rail, the magnetic-levitation traffic in city except railway.The train that they all are made up of the more piece compartment; All are high-speed cruisings in orbit; The three-dimensional jerk (top to bottom, left and right, front and rear) that all exists in service; The compartment fault, regularly wheel is repaiied, the compartment gets rid of extension and all can upset the railway car marshalling, and train all is not fixing television reception nets of change at random.They are variant again, and subway train is to move in subterranean tunnel, and light rail train is to move on overhead basically, what have also has part ground, a tunnel, railroad train is to move on the ground basically, and what have also will wear cavern (on the ground tunnel), and magnetic suspension train is to move on the ground fully; Railroad train is equipped with video signal transmission wire between each compartment, and subway, light rail, magnetic suspension train are not adorned video signal transmission wire or the like between each compartment.The present invention is exactly under above technical background, running environment, self-condition, and specific aim is designed full rail traffic station, this video information receive-transmit system on advanced technology, broad covered area, with strong points, the function, reaches the innovation purpose.
Summary of the invention
The invention provides a kind of subway light rail railway magnetic suspension train, station digital video information transceiver system for solving the problems of the technologies described above, purpose is subway, light rail, railway, magnetic suspension train, station passenger can in time to be watched listen to video frequency program.
The invention provides a kind of subway light rail railway magnetic suspension train, station digital video information transceiver system for reaching above-mentioned purpose, be made of following structure: the output of satellite television, cable TV, DVD, self-control TV special, advertising message receive-transmit system is connected with the input of digital video manufacturing system; The output of digital video manufacturing system is connected with the input of digital video broadcast system; The output of digital video broadcast system is connected with the input of wired or wireless network transmission system; The output of cable network transmission system is connected with the input of station, car catv terminal display system; The output of wireless network transmission system is connected with station, vehicle radio terminal display system.
Its information releasing content is: relay in real time that domestic and international news, sports tournament, theatrical performances live telecast, DVD playing programs, the thematic telefilm of self-control are play, TV subtitling is called out the stops, emergency call, ad distribution.
Satellite television or cable TV forwarding unit, utilization is introduced from motion tracking parabolic antenna, satellite television receiver and local cable TV station broadcasting line, selects satellite television or cable TV channel correlation program to send the video production server of digital video manufacturing system to as signal source; The video production server, be used for the making of digital video programs, with satellite television, cable TV, DVD, self-control special topic telefilm, call out the stops, video broadcasting server that digital video programs that alarm, advertising signal source are made sends the digital video broadcast system after editing to; Video broadcasting server is used for that the digital video signal program that sends is carried out layout and broadcasts; The cable network transmission system comprises line relaying equipment, is used for that the long decay that causes apart from the transmission signal of cable is rushed down in optical cable, leakage and carries out the relaying amplification, the prolongation transmitting range; The wireless relay apparatus of wireless network transmission system is used for that transmitting set extends the field intensity coverage and the relaying that carries out amplifies; Stand, the set-top box in car catv terminal display system and station, the vehicle radio terminal display system, be that the decoded digital video signal that will receive is an analog video signal, send display device to and show; Terminal presentation facility is color TV set or large color screen display, watches above-mentioned information for station, car passenger.
Described video production system is made up of video production server, video production software, video acquisition work station, video frequency collection card, video acquisition software.
Described video broadcast system broadcasts software by video broadcasting server, video and forms.
6～8 television receivers in described terminal display system train per car railway carriage or compartment, it is forward and backward, middle that both sides, what compartment or compartment are installed; There are distributed television receiver and centralized large screen display in the station.
Do not have video transmission line to connect between each compartment of train, should adopt each compartment to establish independently wireless receiver.
There is video transmission line to connect between each compartment of train, should on the train transmission backbone in each compartment, be provided with two-way automatic detecting amplifier.
Cable network transmission system and leakage are rushed down cable relaying radiating system or are transmitted backbone wire transmission with train; Wireless network transmission system and distributed transmitting base station or centralized issue base Station To Station, car display system wireless transmission.
Advantage of the present invention and effect are as follows:
Subway of the present invention, light rail, railway, magnetic suspension train, station interactive digital mobile video information receive-transmit system, can make station, car passenger not be equipped with (television set, large-screen) and understand immediately and watch domestic and international news, sports tournament, theatrical performances live telecast, ad distribution, homemade documentary film, call out the stops, meet emergency alarm or the like in time by video display system, all can be real-time, intuitively transmit arrive at a station, in face of the car passenger.Be the annual over ten billion person-time passenger of national subway, light rail, railway, magnetic suspension station, car, obtain the strong instrument and the means of real time information immediately, its politics, economical, societal benefits are huge.
Description of drawings
Fig. 1 is a block diagram of the present invention.
Fig. 2 is the present invention program one a system configuration block diagram.
Fig. 3 is the present invention program two a system configuration block diagram.
Fig. 4 is the present invention program three a system configuration block diagram.
Fig. 5 is the present invention program four a system configuration block diagram.
Fig. 6 is the present invention program five a system configuration block diagram.
Embodiment
Fig. 1 structure schematic block diagram of the present invention is to be made of following structure;
Satellite television or local cable TV repeater system, effect are to relay Chinese Central Television's satellite channel or local cable TV station channel correlation news, physical culture, theatrical items immediately.The digital video manufacturing system, effect is satellite, cable TV, DVD, self-control shooting program (advertisement, documentary film) the analog video signal program of etc.ing is encoded, compression, multiplexing, modulation, mix and generate one road Polymera code stream digital signal program, gathers and edits, storage, broadcast program layout in proper order.The digital video broadcast system is the program of digital video manufacturing system layout to be stored and broadcasted in proper order according to the program of prior layout.The cable network transmission system is the digital video broadcast system to be connected with wire communication between station, the car catv terminal display system.Wireless network transmission system is the digital video broadcast system with station, vehicle radio terminal display system between being connected of wireless telecommunications.Stand, the car terminal display system, be that the digital video signal that wired or wireless network transmission system sends is distributed to many television receivers (or large-screen) of being with set-top box through hub, set-top box is that decoding device is digital video signal to be reduced into analog video signal give television receiver or large scale display.
Fig. 2 is a system architecture diagram of the present invention, is one of the present invention program, below in conjunction with Fig. 2 its each bilge construction, function is described.
Satellite television or local cable TV repeater system structure and function:
Satellite television is meant the satellite television receiving and retransmitting device, is made up of satellite television parabolic antenna, satellite television receiver, vision signal multiplying arrangement etc.; Cable TV is meant the introducing of local cable TV station video frequency program broadcasting line; Select the back to input to the digital video manufacturing system to its multi-channel programme as signal source.
Digital video manufacturing system structure and function:
Form by video collecting and editing system, video storage service system, management service system, the network switching equipment etc.Satellite television, cable TV, DVD, self-control shooting program analog signal source video signals such as (advertisement, documentary films) are carried out Streaming Media coding, compression generation one road Polymera code stream digital video signal.Gather and edit then and post-production, utilize the network storage to arrive in the middle of the disk array, again by network with prior layout well the order program send the digital video broadcast system to.
Digital video broadcast system structure and function:
Broadcasting software, hard disk storage devices etc. by video broadcasting server, video forms, the digital video broadcast system is to be connected by Star Network and switching equipment with the digital video manufacturing system, the program source that digital video broadcast system memory device, stores digital video manufacturing system is made, and according to the external in proper order broadcast of the program of its prior layout.
Cable network transmission system structure and function:
Form by netting twine (optical cable or copper cash) and digital video signal transmitter, cable relaying radiating system is rushed down in digital video broadcast system and leakage to be connected, with the digital video signal program that the digital video broadcast system broadcasts, input to after being modulated to radio frequency and being amplified to enough power and Lou rush down cable relaying radiating system.
Cable relaying radiating system structure and function are rushed down in leakage:
Rush down cable and the relaying multiplying arrangement is formed by leakage, should run through and lay the full tunnel of subway, light rail tunnel segment and railway cavern part (tunnel on the ground).Long as its tunnel, the digital video radiofrequency signal that cable transmission, radiation are rushed down in leakage will decay, should rush down the cable predetermined distance in leakage and install the relaying multiplying arrangement additional, all to install the relaying multiplying arrangement additional every this distance up to running through full tunnel, guaranteeing that full tunnel leaks rushes down the cable radiation field intensity and reaches standard, so that train, station radio receiver reliable reception.
Train radio reception and display system architectures thereof and function:
Television receiver by radio receiver, line concentration distribution network, many band set-top box is formed.Fixedly do not have the situation of digital video transmission line between television reception net and subway, light rail, each compartment of magnetic suspension train for satisfying each compartment marshalling change at random of train, subway, light rail, each compartment of magnetic suspension train all should assemble the television receiver (8 of subway carriages, 6 in light rail compartment) of independent radio receiver, line concentration distribution network and Duo Tai band set-top box.Radio receiver receive to leak the radiation digital video signal that rushes down cable, sends the line concentration distribution network to, and the vision signal that radio receiver receives is distributed to the compartment respectively with the television receiver of set-top box.Set-top box is a decoding device, and the digital video signal that the line concentration distribution network is sent here is reduced into analog video signal, and power supply is looked receiver and shown.Railroad train is because of being equipped with the digital signal transmission line between each compartment, so just can solve each compartment of train and organize into groups the not fixing technical problem of television reception net of change at random as long as install " two-way automatic detection radio frequency amplifier " additional on each compartment digital signal transmission backbone.Like this, each compartment of railroad train can a shared radio receiver, the digital video signal that the cable radiation is rushed down in the leakage that the train radio receiving equipment is received sends the terminal presentation facility in each compartment of train to, and the line concentration distributor in each compartment is distributed to this compartment with the digital video signal on the transmission line and respectively shown with the television receiver of set-top box.Also installed the digital signal transmission line as subway, light rail, magnetic suspension train additional between each compartment, can reduce radio receiver quantity with regard to the same with above-mentioned railroad train.
Station wireless receiving and display system architectures thereof and function:
Television receiver or large screen display by radio receiver, line concentration distribution network, many band set-top box are formed.Radio receiver receives the digital video signal that rushes down the cable radiation by the leakage at station, sends the line concentration distribution network to.The line concentration distribution network is distributed to digital video signal the station again and is respectively shown with the television receiver or the large screen display of set-top box.Like this, the station is the same with train all to be to receive to leak the digital video signal that rushes down the cable radiation, so their terminal presentation facilities will show the same information program.
Fig. 3 also is a system architecture diagram of the present invention, is the present invention program's two, below in conjunction with Fig. 3 structure, the function of itself and Fig. 2 system configuration difference is described.
Wireless network transmissions and distributed wireless relaying communication system structure and function:
The wireless relay communication system of forming by wireless access network, router, distributed base station.Each distributed base station contains 2 routers, and one receives the wireless signal that last station distributed base station router is sent as receiver, and another is as the wireless coverage of this base station area.Like this, wireless signal on the one hand can a station, a station carry out relay; The wireless coverage to this base station area all can be realized in each base station on the other hand; Thereby realize extending the coverage of wireless network field intensity, reach all standing designed lines (track circuit).The characteristics of this wireless relay communication are that the requirement field intensity is prolonged the track circuit covering, and requirement field intensity on the road of all fronts does not have dead band, dead point.On the Antenna Design of well-behaved cloth base station, adopted two directional antennas for this reason, a line direction that points to last station, another points to the line direction at one station, back, to reach the raising antenna gain, improves the purpose of launching, receiving benefit.Install along track circuit wireless distributed base station, and not have field intensity dead band, dead point with two intersite lines be standard to distance between two distributed base stations, and track circuit is long more, and wireless distributed base station is many more, is adapted to subway, light rail, magnetic suspension train, station.
Fig. 4 is another kind of system architecture diagram of the present invention, is the present invention program's three, below in conjunction with Fig. 4 structure, the function of itself and Fig. 2 system configuration difference is described.
Wireless network transmissions and concentrated transmitting base station communication system structure and function:
Form by wireless access network, concentrated transmitting base station, antenna launching tower, be used for light rail, magnetic suspension train, the station of operation on the ground.Concentrate the emission field intensity of transmitting base station antenna, tackle light rail, magnetic suspension train and station circuit all standing, forbidden to have dead band, the dead point of field intensity.
Fig. 5 also is a system construction drawing of the present invention, is the present invention program's four, below in conjunction with Fig. 5 structure, the function of itself and Fig. 2 system configuration difference is described.
The line communication system structure and the function of video connecting line (train backbone) are housed between cable network transmission and each compartment of train:
By wired access network, train transmission backbone, the two-way automatic detection radio frequency amplifier in each compartment is formed.Wired access network sends the digital video programs signal that the digital video broadcast system broadcasts to the train backbone; Because of the train backbone runs through full train, so this digital video programs all can be received in each compartment of train.Each compartment of train is because operation troubles, regularly wheel is repaiied, throwing hangering operation can cause the displacement (not getting rid of the original position in compartment down) of carrying additionally the compartment, antiposition (with getting rid of down the compartment direction and having transferred 180 °), causes each compartment marshalling change at random (forming not fixedly television reception net) of train.For solving this technical problem: installed two-way automatic detection radio frequency amplifier on the transmission main line in each compartment additional, effect is: when the railway car displacement, received signal level changes, and can adjust this amplifier gain and be resolved; When the railway car antiposition, the output in compartment becomes input, input becomes output (wire circuit is with obstructed), but the direction that has the prior detection signal of this amplifier meeting, no matter signal is come by the front, still the back is come, the former input in compartment is sent signal in the capital, makes input and output constant, thereby has solved this technical problem.Railroad train now is equipped with the train video signal transmission wire, can use this scheme; Also adorn this train video signal transmission wire as subway, light rail, magnetic suspension train and also can use this scheme, need to use above-mentioned other schemes but be unkitted now.
The railroad train range ability is long, do not resemble all range ability weak points in this city of subway, light rail, magnetic suspension train, so railway station information transmission system needs independently to establish one's own system, and can not issue the same information content as above-mentioned subway, light rail, magnetic suspension station, car.
Fig. 6 is again another kind of system architecture diagram of the present invention, is the present invention program's five, below in conjunction with Fig. 6 structure, the function of itself and Fig. 2 system configuration difference is described.
Cancellation satellite television or cable TV repeater system, digital video collecting and editing system, promptly the digital video programs manufacturing system only keeps storage, management, Play System.Digital video programs is made and is finished at the program making center on the ground by the operator, " digital video programs hardware " news of making, physical culture, literature and art, advertisement, documentary film etc. are manually delivered to train, station, in train, station video loop play system, carry out whole day loop play (above-mentioned digital video programs hardware should regularly replace as required to guarantee the novelty of program) by memory device, stores.This scheme one can solve train, station equipment is simplified, and two can solve because train speed improves constantly reception wireless signal instability, do not guarantee the problem of the quality of reception, and this scheme subway, light rail, railway, magnetic suspension train, station all can be selected for use.
Claims (9)
1, subway light rail railway magnetic suspension train, station digital video information transceiver system are made of following structure: the output of satellite television, cable TV, DVD, self-control TV special, advertising message receive-transmit system is connected with the input of digital video manufacturing system; The output of digital video manufacturing system is connected with the input of digital video broadcast system; The output of digital video broadcast system is connected with the input of wired or wireless network transmission system; The output of cable network transmission system is connected with the input of station, car catv terminal display system; The output of wireless network transmission system is connected with station, vehicle radio terminal display system.
2, subway light rail railway magnetic suspension train according to claim 1, station digital video information transceiver system is characterized in that its information releasing content is: relay in real time that domestic and international news, sports tournament, theatrical performances live telecast, DVD playing programs, the thematic telefilm of self-control are play, TV subtitling is called out the stops, emergency call, ad distribution.
3, subway light rail railway magnetic suspension train according to claim 1, station digital video information transceiver system, it is characterized in that satellite television or cable TV forwarding unit, utilization is introduced from motion tracking parabolic antenna, satellite television receiver and local cable TV station broadcasting line, selects satellite television or cable TV channel correlation program to send the video production server of digital video manufacturing system to as signal source; The video production server, be used for the making of digital video programs, with satellite television, cable TV, DVD, self-control special topic telefilm, call out the stops, video broadcasting server that digital video programs that alarm, advertising signal source are made sends the digital video broadcast system after editing to; Video broadcasting server is used for that the digital video signal program that sends is carried out layout and broadcasts; The cable network transmission system comprises line relaying equipment, is used for that the long decay that causes apart from the transmission signal of cable is rushed down in optical cable, leakage and carries out the relaying amplification, the prolongation transmitting range; The wireless relay apparatus of wireless network transmission system is used for that transmitting set extends the field intensity coverage and the relaying that carries out amplifies; Stand, the set-top box in car catv terminal display system and station, the vehicle radio terminal display system, be that the decoded digital video signal that will receive is an analog video signal, send display device to and show; Terminal presentation facility is color TV set or large color screen display, watches above-mentioned information for station, car passenger.
4, subway light rail railway magnetic suspension train according to claim 3, station digital video information transceiver system is characterized in that described video production system is made up of video production server, video production software, video acquisition work station, video frequency collection card, video acquisition software.
5, subway light rail railway magnetic suspension train according to claim 3, station digital video information transceiver system is characterized in that described video broadcast system broadcasts software by video broadcasting server, video and forms.
6, subway light rail railway magnetic suspension train according to claim 3, station digital video information transceiver system, it is characterized in that 6～8 television receivers in described terminal display system train per car railway carriage or compartment, it is forward and backward, middle that both sides, what compartment or compartment are installed; There are distributed television receiver and centralized large screen display in the station.
7, subway light rail railway magnetic suspension train according to claim 3, station digital video information transceiver system is characterized in that not having between each compartment of train video transmission line to connect, and should adopt each compartment to establish independently wireless receiver.
8, subway light rail railway magnetic suspension train according to claim 3, station digital video information transceiver system, it is characterized in that having between each compartment of train video transmission line to connect, should on the train transmission backbone in each compartment, be provided with two-way automatic detecting amplifier.
9, subway light rail railway magnetic suspension train according to claim 1, station digital video information transceiver system, it is characterized in that cable network transmission system and leakage rush down cable relaying radiating system or with the wire transmission of train transmission backbone; Wireless network transmission system and distributed transmitting base station or centralized issue base Station To Station, car display system wireless transmission.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100109174A CN101552900A (en) | 2008-04-03 | 2008-04-03 | Digital video information transceiver system on maglev train and stations in subway, light rail and railway |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100109174A CN101552900A (en) | 2008-04-03 | 2008-04-03 | Digital video information transceiver system on maglev train and stations in subway, light rail and railway |
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| CN101552900A true CN101552900A (en) | 2009-10-07 |
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| CNA2008100109174A Pending CN101552900A (en) | 2008-04-03 | 2008-04-03 | Digital video information transceiver system on maglev train and stations in subway, light rail and railway |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079898A (en) * | 2014-07-11 | 2014-10-01 | 中国北车集团大连机车研究所有限公司 | Passenger train satellite television receiving device |
| CN105187852A (en) * | 2014-06-13 | 2015-12-23 | 上海东方明珠广播电视研究发展有限公司 | Emergency broadcast caption transmitting and receiving methods and system for subway operation |
| CN105791880A (en) * | 2016-05-05 | 2016-07-20 | 江苏省广电有线信息网络股份有限公司南京分公司 | Customized hotel digital television front-end system |
| WO2023015744A1 (en) * | 2021-08-09 | 2023-02-16 | 中车长春轨道客车股份有限公司 | Data transmission system and railway vehicle |
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2008
- 2008-04-03 CN CNA2008100109174A patent/CN101552900A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105187852A (en) * | 2014-06-13 | 2015-12-23 | 上海东方明珠广播电视研究发展有限公司 | Emergency broadcast caption transmitting and receiving methods and system for subway operation |
| CN105187852B (en) * | 2014-06-13 | 2018-04-06 | 上海东方明珠广播电视研究发展有限公司 | A kind of emergent broadcast captions sending, receiving method and system for metro operation |
| CN104079898A (en) * | 2014-07-11 | 2014-10-01 | 中国北车集团大连机车研究所有限公司 | Passenger train satellite television receiving device |
| CN105791880A (en) * | 2016-05-05 | 2016-07-20 | 江苏省广电有线信息网络股份有限公司南京分公司 | Customized hotel digital television front-end system |
| CN105791880B (en) * | 2016-05-05 | 2019-03-29 | 江苏省广电有线信息网络股份有限公司南京分公司 | Customize hotel's digital television front-end system |
| WO2023015744A1 (en) * | 2021-08-09 | 2023-02-16 | 中车长春轨道客车股份有限公司 | Data transmission system and railway vehicle |
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Open date: 20091007 |