CN102186000A - Synchronous tunnel video display system - Google Patents

Synchronous tunnel video display system Download PDF

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Publication number
CN102186000A
CN102186000A CN 201110097157 CN201110097157A CN102186000A CN 102186000 A CN102186000 A CN 102186000A CN 201110097157 CN201110097157 CN 201110097157 CN 201110097157 A CN201110097157 A CN 201110097157A CN 102186000 A CN102186000 A CN 102186000A
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China
Prior art keywords
display
train
signal
synchronous
module
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CN 201110097157
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Chinese (zh)
Inventor
吕民
齐万里
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BEIJING JINRIHENGSHENG TECHNOLOGY Co Ltd
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BEIJING JINRIHENGSHENG TECHNOLOGY Co Ltd
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Priority to CN 201110097157 priority Critical patent/CN102186000A/en
Priority to PCT/CN2011/073411 priority patent/WO2012142774A1/en
Publication of CN102186000A publication Critical patent/CN102186000A/en
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/22—Advertising or display means on roads, walls or similar surfaces, e.g. illuminated
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/22—Advertising or display means on roads, walls or similar surfaces, e.g. illuminated
    • G09F2019/221—Advertising or display means on roads, walls or similar surfaces, e.g. illuminated on tunnel walls for underground trains

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  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

The invention provides a synchronous tunnel video display system, which comprises a power supply module, a master server, a human-computer interaction module, a plurality of display modules, a plurality of synchronization modules and a communication module, wherein the master server is used for producing a play image; the plurality of display modules are arranged in a plurality of train running tunnels, and are used for displaying video image information; the plurality of synchronization modules are used for ensuring the synchronization of a train running state and information displayed by the display modules; the communication module transmits data produced by the master server to the display modules; the synchronization module further comprises a plurality of speed testers and a synchronization signal processor; the speed testers are arranged between two metro stations, and are uniformly distributed in the tunnels between the two stations of a train, and when detecting the passage of the train, transmit the information to the synchronization signal processor respectively; the synchronization signal processor performs calculation to obtain a synchronization control signal, transmits the synchronization control signal to the display modules; and the display modules display the video image information according to the instruction of the synchronization control signal. The synchronous tunnel video display system has the advantages of synchronous display capability and high definition.

Description

Tunnel synchronization video display system
Technical field
The present invention relates to the tunnel field of video displaying, be specifically related to a kind of subway high sharpness video display system that can be synchronous in service that is applied in train operation.
Background technology
Subway is because of the advantage that it is quick, convenient, price is low, more and more becomes the preferred traffic mode of people's trip, is example with Beijing, passenger flow surplus every day nearly 7,000,000, and ground, Tokyo iron rule has 8,000,000 volumes of the flow of passengers every day.For the passenger who takes subway for a long time, the journey in subway does not become very uninteresting because of there being recreational facilities.Mat is in this, and advertisement delivery or entertainment in subway bring the purpose of loosening not only can for passenger's journey, also can to the advertisement putting merchant, bring bigger attention rate and popularity by means of the big flow of subway, thus the economic benefit of bringing.
At present, the mode of displaying video information mainly contains two kinds on the subway of operation: a kind of is that display screen is set in the compartment, and the moving TV of image drift equally shows some video content, and its shortcoming is the cost height, and it is stronger to be subjected to the interference of movable signal; Another kind is that display unit is set in the tunnel, in the process of train operation, utilize the LED lamp to project on the vehicle window, the dark in tunnel forms black background, and its advantage is the influence that is not subjected to movable signal, and display area is big, it is also easier to upgrade, but its shortcoming be first be difficult to accomplish the broadcast of video frequency program and train operation state synchronously, the secondth, particle is bigger when closely watching the LED video, pixel shows coarse, causes the relatively poor problem of video display resolution.
So, how advertisement or other video program informations of high resolution displayed synchronously in the subway train of high-speed cruising become the industry problem demanding prompt solution.
Summary of the invention
At above-mentioned defective, the purpose of this invention is to provide a kind of tunnel synchronization video display system, showing with train and video in the subway running that solves prior art can not be synchronous, and the second-rate technical problem of display video.
For achieving the above object, the present invention has adopted following technical scheme:
A kind of tunnel synchronization video display system, comprise: supply module, be used to make the master server of playing image, human-computer interaction module, be arranged on and be used for a plurality of display modules of display video image information in a plurality of train operations tunnel, be used to guarantee train operation state and the synchronous plural synchronization module of display module display message, and the transfer of data that described master server is made is given the communication module of described display module, described synchronization module further comprises a plurality of velometers that are arranged between the two row subway stations, and synchronous signal processor, those velometers are evenly distributed in the tunnel between two stations of described train; Detected train through out-of-date, the information that sends separately draws synchronous control signal to described synchronous signal processor after the synchronous signal processor computing, send to described display module, carries out the demonstration of video image information according to the instruction of described synchronizing signal.
According to the described display system of preferred embodiment of the present invention, whether described velometer is measured train by laser switch and is arrived, and calculates the current speed of service of train by the time difference of switch received signal between two velometers.
According to the described display system of preferred embodiment of the present invention, described synchronous signal processor further comprises:
The tachometer signal receiving element is used to receive the switching signal of more described velometer;
The rate signal processing unit is used for calculating the current speed of service of train according to the described switching signal that receives;
The synchronizing signal production unit is used for according to the rate signal that receives, and computing draws the synchronizing signal of control display module displays image information; And
Communication interface is transferred to described display module with described synchronizing signal, and the data of controlling described display module show.
According to the described display system of preferred embodiment of the present invention, more described velometer is started working successively according to the direction of train driving, and after the train final section passed through, the velometer in its running orbit the place ahead quit work.
According to the described display system of preferred embodiment of the present invention, described display module further comprises:
Power supply interface is used for to this display module power supply;
The pre-stored unit, the played data that is used for described master server is made is kept in, in order to playing;
Synchronous Signal Receiver Unit is in order to receive the synchronizing signal that described synchronization module produces; And
Display unit is used for the instruction according to described synchronizing signal, carries out corresponding information and plays.
According to the described display system of preferred embodiment of the present invention, described display module also comprises a display controller, it comprises two monolithic control units, and these two monolithic control units respectively connect one group of led driver, and sends corresponding control signal for each led driver.
According to the described display system of preferred embodiment of the present invention, described display unit further comprises the LED lamp of the demonstration RGB pigment that two row are driven by one group of led driver respectively, and these two row LED lamp is lighted in regular turn, shows a two field picture.
According to the described display system of preferred embodiment of the present invention, described two row LED lamps are vertically arranged in parallel, and the position of each LED lamp of secondary series is on the plane in the gap between two LED lamps of correspondence of first row.
According to the described display system of preferred embodiment of the present invention, between per two stations a plurality of display units are set, those display units are according to the time slot of persistence of vision display image in regular turn, the dynamic picture of those image constructions that show in regular turn.
According to the described display system of preferred embodiment of the present invention, described led driver comprises serial storage, parallel storage and PWM drive signal generation unit, described serial storage receives synchronous control signal in the mode of serial, receive the back and once deposit parallel storage in parallel mode, synchronous control signal is decomposed into communication data and control data, lights by producing the corresponding LED lamp of drive in the PWM drive signal generation unit.
Owing to adopted above technical scheme, make the present invention than prior art, have following advantage and good effect:
First, the present invention is by synchronous velocity measuring technique, utilize human eye vision to persist phenomenon and television scanning principle, in the process of train operation, the translation that the outer display unit of passenger and train has given pace, the visual range of the parallel inswept human eye of demonstration LED lamp, each display unit shows corresponding data information, human eye then can show the synthetic complete image of the data of seeing synchronously.
The second, the present invention has effectively improved the frame data display frequency by virtual image element and two row LED lamp horizontal-interlace techniques, avoids flicker.Usage space interpolation scanning technique makes pel spacing reduce at double, has guaranteed that the image when closely watching has effect clearly, cooperates corresponding led driver simultaneously, reaches the purpose of synchronous demonstration HD image.
Certainly, implement any one specific embodiment of content of the present invention, might not reach above whole technique effect simultaneously.
Description of drawings
Fig. 1 is the system architecture diagram of tunnel provided by the invention synchronization video display system;
Fig. 2 is the module frame chart of the synchronization module among the present invention;
Fig. 3 is the display module block diagram among the present invention;
Fig. 4 is the display unit Organization Chart;
Fig. 5 is the structure chart of LED driver element;
Fig. 6 is the synthetic schematic diagram of pixel display effect.
Embodiment
Below in conjunction with accompanying drawing several preferred embodiments of the present invention is described in detail, but the present invention is not restricted to these embodiment.The present invention contain any on marrow of the present invention and scope, make substitute, modification, equivalent method and scheme.Understand for the public is had completely the present invention, in the following preferred embodiment of the present invention, describe concrete details in detail, and do not have the description of these details also can understand the present invention fully for a person skilled in the art.In addition, for fear of essence of the present invention is caused unnecessary obscuring, do not describe well-known method, process, flow process, element and circuit etc. in detail.
As shown in Figure 1, the invention provides a kind of tunnel synchronization video display system, comprising: supply module 10, master server 20, interactive module 30, communication module 40, display module 50 and synchronization module 60.Wherein, supply module 10 each power supply interfaces of general reference, battery or the like provides electric power to support for each functional module, does not add and gives unnecessary details.
Master server 20 is used to make playing image, and for example the advertisement picture that the client need be propagated is superimposed as GIF or other support the form of video playback, and stores.Human-computer interaction module 30 is set some parameter as the manager, and, comprise keyboard, mouse etc. to the physical media of system management, can adjust display parameters of master server 20 and display module 50 etc., for example set and show duration, listing, playing sequence or the like.
Display module 50 is arranged in a plurality of train operations tunnel, is directly to be used for the media of display video image information.Communication module 40, then the program data that master server 20 is made is transferred to display module 50, and the function of feedback, monitoring is provided, and for example whether data send success, current transmission state or the like.Synchronization module 60 is key points of whole system, it is used for guaranteeing that the display message of train operation state and display module 50 is synchronous, concrete example enters the viewing area as guaranteeing train, begin to play, leaving the viewing area stops to play, and in playing process, the image that the passenger in the train sees is complete, and is synchronous with train operation.
As shown in Figure 2, synchronization module 60 comprises a plurality of velometers (611,612,613......6NN) and synchronous signal processor 600, and synchronous signal processor 600 comprises hardware chip and inner burned program.Velometer 611-6NN has detected train through out-of-date, the information that sends separately is to described synchronous signal processor 600, after synchronous signal processor 600 computings, draw synchronous control signal, send to described display module 50, carry out the demonstration of video image information according to the instruction of described synchronizing signal.
Velometer 611-6NN is sequentially arranged between the two row subway stations, adopts the laser-bounce switch as bioassay standard, when the first row train passes through, stops the light of velometer 611, and switch left or cut out this moment, judges that train arrives.During train process velometer 612, send signal again, because mounting distance is known between two velometers, signal time postpones known, therefore can calculate train starts to the speed the velometer 612 from velometer 611, and the like, but the speed of each time period all is in test mode in the whole tunnel.
Particularly after the train final section passed through, the velometer in its running orbit the place ahead quit work, and when for example last vehicle of train had passed through velometer 630, velometer 611-629 Close All reached energy-conservation effect.
Synchronous signal processor 600 further comprises: tachometer signal receiving element 601, rate signal processing unit 602, synchronizing signal generation unit 603 and communication interface 604.
Wherein, tachometer signal receiving element 601 is used to receive the switching signal of more described velometer, for example which velometer has been in closed condition etc., and the signal that obtains is transferred to rate signal processing unit 602, and sub-cell 602 calculates the current speed of service of train according to the switching signal that receives; Afterwards, synchronizing signal production unit 603 is according to the rate signal that receives, and computing draws the synchronizing signal of control display module displays image information, synchronizing signal is a series of protocols, each agreement is the agreement that display module is observed jointly, and its information has comprised whether beginning to play, change frequency or the like; By communication interface 604, synchronizing signal is transferred to described display module 50 at last, the data of control display module 50 show.
With reference to figure 3 and Fig. 4, the display module 50 among the present invention further comprises power supply interface 501, synchronous Signal Receiver Unit 502 simultaneously., pre-stored unit 503, display unit 504 and display controller 505.
Power supply interface 501 gives display module 50 power supplies; The played data that master server 20 is made in pre-stored unit 503 is temporary, in order to playing; Synchronous Signal Receiver Unit 502, receive the synchronizing signal that synchronization module 60 produces, and, give display controller 505 protocol analysis that its basis is observed jointly, according to of the instruction of corresponding instruction control display unit 504, carry out corresponding information and play according to described synchronizing signal.
Please refer to Fig. 5-Fig. 6 display controller 505, it comprises two monolithic control units 5053,5054, and each connects one group of led driver 5052,5051, and sends corresponding control signal for each led driver.
Display unit 504 comprises a plurality of LED lampposts, and for example 60 are arranged in the subway tunnel simultaneously, arranges according to certain spacing, can show different images respectively, and in train travelling process, the image overlay that these different lampposts show becomes dynamic image.Each LED lamppost comprises two row respectively by the LED lamp 5042,5041 of one group of led driver 5052 and the 5051 demonstration RGB pigments that drive, and these two row LED lamp is lighted in regular turn, shows a two field picture.
Two row LED lamps 5051,5052 are vertically arranged in parallel, each led driver can only drive the several LED particles in the respective column LED lamp, the position of each LED lamp of secondary series is on the plane in the gap between two LED lamps of correspondence of first row, form pixel interpolation, originally a row LED shows that a two field picture becomes two row and shows, be divided into odd and even number and scan respectively, composograph.
Led driver comprises that serial storage is the SPI interface, adopt the led brightness regulator and the PWM drive signal generation unit of parallel storage, described serial storage receives synchronous control signal in the mode of serial, receive the back and once deposit parallel storage in parallel mode, synchronous control signal is decomposed into communication data and control data, lights by producing the corresponding LED lamp of drive in the PWM drive signal generation unit.
In sum, the present invention has following advantage and good effect than prior art:
First, the present invention is by synchronous velocity measuring technique, utilize human eye vision to persist phenomenon and television scanning principle, in the process of train operation, the translation that the outer display unit of passenger and train has given pace, the visual range of the parallel inswept human eye of demonstration LED lamp, each display unit shows corresponding data information, human eye then can show the synthetic complete image of the data of seeing synchronously.
The second, the present invention has effectively improved the frame data display frequency by virtual image element and two row LED lamp horizontal-interlace techniques, avoids flicker.Usage space interpolation scanning technique makes pel spacing reduce at double, has guaranteed that the image when closely watching has effect clearly, cooperates corresponding led driver simultaneously, reaches the purpose of synchronous demonstration HD image.
The preferred embodiment of the present invention just is used for helping to set forth the present invention.Preferred embodiment does not have all details of detailed descriptionthe, does not limit this invention yet and only is described embodiment.Obviously, according to the content of this specification, can make many modifications and variations.These embodiment are chosen and specifically described to this specification, is in order to explain principle of the present invention and practical application better, thereby the technical field technical staff can utilize the present invention well under making.The present invention only is subjected to the restriction of claims and four corner and equivalent.

Claims (10)

1. tunnel synchronization video display system, comprise: supply module, the master server that is used for making playing image, human-computer interaction module, be arranged on a plurality of train operations tunnel and be used for a plurality of display modules of display video image information, be used to guarantee train operation state and the synchronous a plurality of synchronization modules of display module display message, and, it is characterized in that the communication module that the transfer of data that described master server is made is given described display module:
Described synchronization module further comprises a plurality of velometers that are arranged between the two row subway stations, and synchronous signal processor, and those velometers are evenly distributed in the tunnel between two stations of described train; Detected train through out-of-date, the information that sends separately draws synchronous control signal to described synchronous signal processor after the synchronous signal processor computing, send to described display module, carries out the demonstration of video image information according to the instruction of described synchronizing signal.
2. display system as claimed in claim 1 is characterized in that, whether described velometer is measured train by laser switch and arrived, and calculates the current speed of service of train by the time difference of switch received signal between two velometers.
3. display system as claimed in claim 1 is characterized in that, described synchronous signal processor further comprises:
The tachometer signal receiving element is used to receive the switching signal of more described velometer;
The rate signal processing unit is used for calculating the current speed of service of train according to the described switching signal that receives;
The synchronizing signal production unit is used for according to the rate signal that receives, and computing draws the synchronizing signal of control display module displays image information; And
Communication interface is transferred to described display module with described synchronizing signal, and the data of controlling described display module show.
4. display system as claimed in claim 1 is characterized in that more described velometer is started working successively according to the direction of train driving, and after the train final section passed through, the velometer in its running orbit the place ahead quit work.
5. display system as claimed in claim 1 is characterized in that, described display module further comprises:
Power supply interface is used for to this display module power supply;
The pre-stored unit, the played data that is used for described master server is made is kept in, in order to playing;
Synchronous Signal Receiver Unit is in order to receive the synchronizing signal that described synchronization module produces; And
Display unit is used for the instruction according to described synchronizing signal, carries out corresponding information and plays.
6. display system as claimed in claim 5, it is characterized in that described display module also comprises a display controller, it comprises two monolithic control units, these two monolithic control units respectively connect one group of led driver, and send corresponding control signal for each led driver.
7. display system as claimed in claim 6 is characterized in that, described display unit further comprises the LED lamp of the demonstration RGB pigment that two row are driven by one group of led driver respectively, and these two row LED lamp is lighted in regular turn, shows a two field picture.
8. display system as claimed in claim 7 is characterized in that, described two row LED lamps are vertically arranged in parallel, and the position of each LED lamp of secondary series is on the plane in the gap between two LED lamps of correspondence of first row.
9. display system as claimed in claim 5 is characterized in that, between per two stations a plurality of display units is set, and those display units are according to the time slot of persistence of vision display image in regular turn, the dynamic picture of those image constructions that show in regular turn.
10. display system as claimed in claim 6, it is characterized in that, described led driver comprises serial storage, parallel storage and PWM drive signal generation unit, described serial storage receives synchronous control signal in the mode of serial, receive the back and once deposit parallel storage in, synchronous control signal is decomposed into communication data and control data, light by producing the corresponding LED lamp of drive in the PWM drive signal generation unit with parallel mode.
CN 201110097157 2011-04-18 2011-04-18 Synchronous tunnel video display system Pending CN102186000A (en)

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PCT/CN2011/073411 WO2012142774A1 (en) 2011-04-18 2011-04-28 Tunnel synchronous video display system

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CN103544909A (en) * 2013-09-27 2014-01-29 北京金日恒升科技有限公司 Image frame control technology used for tunnel movement image display
CN103578427A (en) * 2013-10-10 2014-02-12 北京金日恒升科技有限公司 Pixel interpolation technology used for high-definition image display
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JP2015535948A (en) * 2012-09-24 2015-12-17 デジタル・アンダーグラウンド・メディア・インコーポレイテッド Control of flicker in displayed images using a light emitting element array seen by a moving observer
CN105869543A (en) * 2016-06-20 2016-08-17 福州台江区超人电子有限公司 Upright post LED Chinese character placards on two sides of road
CN110830824A (en) * 2018-08-09 2020-02-21 刘丹 Control and playing method and device of POV (point of care) display equipment and electronic equipment
CN111192531A (en) * 2020-02-17 2020-05-22 南京工业职业技术学院 Subway tunnel self-generating advertisement synchronous display system
CN112822534A (en) * 2020-12-31 2021-05-18 北京金日恒升科技有限公司 Synchronous control method, system and device for tunnel media and display unit
CN112834777A (en) * 2020-12-31 2021-05-25 北京金日恒升科技有限公司 Train speed measuring method and tunnel media system installation position selecting method

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CN103597535A (en) * 2011-09-06 2014-02-19 北京金日恒升科技有限公司 In-tunnel display system
WO2013033892A1 (en) * 2011-09-06 2013-03-14 北京金日恒升科技有限公司 In-tunnel display system
CN103597535B (en) * 2011-09-06 2016-05-25 北京金日恒升科技有限公司 Display system in a kind of tunnel
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CN104641306A (en) * 2012-07-20 2015-05-20 皮尔茨公司 Method for synchronizing display elements
JP2015535948A (en) * 2012-09-24 2015-12-17 デジタル・アンダーグラウンド・メディア・インコーポレイテッド Control of flicker in displayed images using a light emitting element array seen by a moving observer
WO2015043149A1 (en) * 2013-09-27 2015-04-02 北京金日恒升科技有限公司 Image frame control technology used for tunnel movement image display
CN103544909A (en) * 2013-09-27 2014-01-29 北京金日恒升科技有限公司 Image frame control technology used for tunnel movement image display
WO2015051625A1 (en) * 2013-10-10 2015-04-16 北京金日恒升科技有限公司 Pixel interpolation method for display of high-definition image
CN103578427A (en) * 2013-10-10 2014-02-12 北京金日恒升科技有限公司 Pixel interpolation technology used for high-definition image display
CN105869543A (en) * 2016-06-20 2016-08-17 福州台江区超人电子有限公司 Upright post LED Chinese character placards on two sides of road
CN105869543B (en) * 2016-06-20 2018-07-10 福州准点信息科技有限公司 The column LED Chinese character placards of both sides of the road
CN110830824A (en) * 2018-08-09 2020-02-21 刘丹 Control and playing method and device of POV (point of care) display equipment and electronic equipment
CN111192531A (en) * 2020-02-17 2020-05-22 南京工业职业技术学院 Subway tunnel self-generating advertisement synchronous display system
CN112822534A (en) * 2020-12-31 2021-05-18 北京金日恒升科技有限公司 Synchronous control method, system and device for tunnel media and display unit
CN112834777A (en) * 2020-12-31 2021-05-25 北京金日恒升科技有限公司 Train speed measuring method and tunnel media system installation position selecting method
CN112822534B (en) * 2020-12-31 2022-05-10 北京金日恒升科技有限公司 Synchronous control method, system and device for tunnel media and display unit

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