CN200956618Y - Subway on-board information playing system - Google Patents
Subway on-board information playing system Download PDFInfo
- Publication number
- CN200956618Y CN200956618Y CNU2006201133459U CN200620113345U CN200956618Y CN 200956618 Y CN200956618 Y CN 200956618Y CN U2006201133459 U CNU2006201133459 U CN U2006201133459U CN 200620113345 U CN200620113345 U CN 200620113345U CN 200956618 Y CN200956618 Y CN 200956618Y
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- information
- subway
- broadcasting
- playing controller
- information broadcasting
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Abstract
A subway on board information broadcasting system belongs to a wireless telecommunication device and a multimedia system art field. The system comprises an on board wireless receiver, an information broadcasting controller and a LCD displayer. The system characterized in that the on board wireless receiver is connected with a digital television set top box which is connected with an information broadcasting controller, the information broadcasting controller is connected with a wireless digital transmission broadcasting station and a broadcasting control pane via a RS-422 interface and an output end of the information broadcasting controller transmits a signal to the LCD displayed by a distribution amplifier. The subway on board information broadcasting system can satisfy a personalized information broadcasting of the subway and freely switches between an automatic broadcasting of the center controlled information and a manual controlled information broadcasting by a driver and passengers can browse various consulting information and watch various entertainment television programs, which are in favor of controlling the on board information broadcasting system by a management and central control center for the subway train operation.
Description
Technical field
The utility model belongs to Wireless Telecom Equipment and multimedia system technical field, relates in particular to a kind of subway train vehicle multimedia playing system.
Background technology
Along with the development of urban construction, city train public transit system obtains swift and violent development.In order to make subway or light rail train can make things convenient for waiting, riding of passenger, for the passenger provides better service, enrich passenger's life by bus, on platform and train, need to set up information system.The passenger can understand the ruuning situation of subway train and the points for attention of riding thus timely.Existing train consulting system mainly is to carry out timing by audio system to report, and information is less, and the entertainment information of Bo Fanging also can only be carried out loop play by the store information of vehicle-mounted Play System simultaneously.Play as stop in emergency, diving tower etc. and can't realize for the information of city underground train personalization.Automatically broadcast and manual operation can not freely be exchanged simultaneously.
How to utilize the subway passenger information system that lays respectively on platform and the train, make the passenger in time understand the ruuning situation of subway train and the points for attention of riding, can watch informations such as news and current affairs, weather forecast, train number flight, financial investment in real time, and can watch the TV programme that literature and art, physical culture, music, amusement, advertisement etc. are loved by all simultaneously, become the important technology research contents of metro construction.
The utility model content
The purpose of this utility model provides a kind of by same information promulgating platform, satisfy the vehicle-mounted information Play System of subway of train customized information broadcast request, solved the existing information delivery system and can't realize the problem that mobile TV and information broadcast are carried out simultaneously.
The technical solution adopted in the utility model is as follows:
The vehicle-mounted information Play System of a kind of subway, comprise onboard wireless receiver, information playing controller and LCD display, it is characterized in that described onboard wireless receiver connects a digital TV set-top box, digital TV set-top box is connected with the information playing controller, described information playing controller connects wireless digital broadcasting station and broadcasts control panel by the RS-422 interface, and the output of information playing controller transfers signals to LCD display by distribution amplifier.
Described information playing controller mainly by image-text information broadcast card, look audio frequency alternative module, key mixes module, the remote manual control box is formed.
The mainframe box of described information playing controller is installed in the motor-car compartment of not being with pantograph.
The output signal of described information playing controller adopts simulation to look audio interface.
It is indoor that described wireless digital broadcasting station and broadcast control panel are arranged on subway train drive.
Usually under the state, the mobile television signal that the onboard wireless receiver receives is sent to the information playing controller by digital TV set-top box, after the signal that receives is looked the audio distribution amplification by distribution amplifier, one the tunnel gives image-text information broadcasts card as synchronizing signal, another road is given alternative and is looked the audio frequency handover module, after selecting, video signal transmission is mixed module to key, be sent to each compartment by signal distribution system at last, be redistributed to each LCD display and play, audio signal is play by the audio amplifier of LCD display.
Train stop in emergency, jump the station, in the image-text information broadcasting system that literal, pictorial information such as the prompting of arriving at a station prestore the information playing controller, Word message can be play by automatic playout software or by broadcasting the control panel Artificial Control, is added on the mobile TV image in the mode of " the ALPHA key mixes "; Picture, pictorial information are wanted to transfer mpeg format to and are pre-stored in the image-text information broadcasting system, also can play-over, control by broadcasting control panel during broadcast, playing card by MPEG plays, look the audio frequency handover module through alternative, after the selection image, picture signal be transferred to key and mix after module amplifies, play by liquid crystal TV set, audio signal is play by the audio amplifier of liquid crystal TV set.Wherein, alternative is looked the audio frequency handover module and is controlled by image-text information broadcasting system, often is opened in the mobile television signal end, in case need carry out train customized images, picture playing, then carries out switching controls by control panel, and broadcast is returned after finishing automatically.
The information command of central authorities control sends image-text information broadcasting system to by the RS-422 interface after being received by the onboard wireless data radio station, and automatic or manual selection is play, playing flow and the train literal playing flow basically identical that prestores.Because the subway train scheduling needs, the situation that two car group transposings of one train are used may appear, the main frame of image-text information broadcasting system can be installed in not the motor-car compartment of every train with pantograph, adopt the general-purpose interface case, and the image-text information broadcasting system of employing miniaturization cabinet, equipment volume totally is generally less than 300mm * 300mm * 200mm.In case appearance because of the system deviation that scheduling causes, can remove easily and be installed on the car that needs.So just all do not carry out design for Universal Interface, mainly contain common apparatus case, general installed part, general stube cable with the motor-car compartment of pantograph to two of every train.
The driver's cabin of subway train is provided with wireless digital broadcasting station, be used for carrying out between control centre, station and the driver wireless speech conversation, it possesses data transmission interface, can transmit short message, native system utilizes this function to finish the transmission of customized information and the program switching controls of vehicle-mounted broadcast system.
Broadcast control panel and be generally remote keypad, be used for the driver Play System is carried out Artificial Control, it should possess 0～9 10 numeric keys and at least five can self-defining function key, possesses high brightness liquid crystal display screen, can show two row Chinese characters, be used for the button input condition is carried out diplopia, preferably also should have buzzer the driver is pointed out.
When native system was artificial switching mode, the driver can with the keyboard input control of code by control panel, reach the result of switching program or overlapping text again by radio station with the controlled center of voice mode instruction code.Perhaps the information playing controller by with the instruction code at the controlled center of digital interface of radio station, the instruction of the code representative LCDs by remote keypad is shown, the prompting driver manually confirms.When native system is automatic switching mode, the information playing controller by with the instruction code at the controlled center of digital interface of wireless digital broadcasting station, carry out the switching of program and the stack of letter automatically.
The mentality of designing of information playing controller is: when the analog video signal of input enters information playing controller main frame, the video-audio distribution amplifier of internal system distributes amplification with signal earlier, at this moment system clock will be phase-locked on this road vision signal, be transferred to key after the alternative diverter switch of another road vision signal through inside simultaneously and mix amplification processor, mix the signal of handling through key and output at last on the output interface plate.Can establish a circuit that outage is straight-through in the final stage of output, also can lead directly to video product signal when breaking down to guarantee the information playing controller.Guarantee that the demonstration of relevant information can not interrupted in system under some particular case.
The image-text information broadcasting system of information playing controller mainly is responsible for downloading the played file and the playlist of this controller, through the broadcast of synthetic decoding back according to playlist rule control LCD display.The output signal of information playing controller adopts simulation to look audio interface, is used for the Play Control of on-vehicle information.Because train is at run duration, need to broadcast the information of train operation, as the place ahead arrive at a station, the time of advent, and other passenger services information and video informations, so configurable large capacity disc of this system, the MPEG-2 material of the broadcast level of storage more than 5 hours, material broadcasts the mode that can adopt circulation to broadcast, and satisfies and broadcasts requirement.Image-text information Play System in the information playing controller is supported the demonstration of text animation, image animation, the demonstration of MPEG-2, AVI video files, comprise the demonstration of file format active file formatted files such as Flash, RTF, the demonstration of network video stream, the demonstration of webpage, the demonstration of simulated clock simulation clock and digital dock.The dynamic split screen play mode of image-text information Play System support, the subwindow structure of screen, layout configurations, resolution etc. can dynamically change according to the preestablishing of timetable.The change of layout does not need to restart machine.It can support the subwindow split screen play mode more than 10.And the program of playing in all subwindows can auto zoom to the demonstration that is fit to subwindow.
The vehicle-mounted information Play System of this subway can satisfy the broadcast of subway train customized information, and can between broadcasting, the automatic broadcast of central control information and driver's Artificial Control information carry out freely switching, the passenger can browse by multi-media display and watch multiple consultation information and entertainment television program, is beneficial to the control to the train information system of the management of subway train operation and CCC.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further elaborated.
Fig. 1 is the structured flowchart of the utility model embodiment;
Fig. 2 is the circuit structure schematic diagram of the utility model embodiment.
Embodiment
As figure, because subway train is by the unpowered trailer of two groups of band drivers' cabs, the motor-car of band pantograph and not with the motor-car of pantograph composition, so the vehicle-mounted information Play System of this subway is by two groups of onboard wireless receivers 1, digital TV set-top box 2, information playing controller 5, wireless digital broadcasting station 3, broadcast control panel 4, distribution amplifier 6 and LCD display 7 are formed, the onboard wireless receiver connects a digital TV set-top box, digital TV set-top box is connected with the information playing controller, described information playing controller connects wireless digital broadcasting station and broadcasts control panel by the RS-422 interface, and the output of information playing controller transfers signals to LCD display by distribution amplifier.The information playing controller mainly by image-text information broadcast card, look audio frequency alternative module, key mixes module, remote manual control box, vehicle radio station remote-control box are formed.The mainframe box of information playing controller is installed in the motor-car compartment of not being with pantograph.Two groups of wireless digital broadcasting stations and broadcast control panel to be arranged on subway train drive indoor.
The mobile television signal that the onboard wireless receiver receives is sent to the information playing controller by digital TV set-top box, the signal that receives is assigned to each compartment by signal distribution system after the information playing controller is handled, be redistributed to each LCD display and play, audio signal is play by the audio amplifier of LCD display.The transmitting system of the information command of central authorities' control can be selected the 800MHz of Nokia wireless digital group system for use, and this system follows the TETRA standard in Europe.In the TETRA standard, define four kinds of short data information types, adopted the SDS-1 short message form that does not influence voice communication here.Signal transmission characteristics is: transmission signals, RS422 serial line interface, terminal impedance=120 ohm; Terminal impedance is installed in both sides' receiving terminal.The information command that central authorities' control is sent sends image-text information broadcasting system to by the RS-422 interface after being received by the onboard wireless data radio station, and automatic or manual selection is play.Wireless digital broadcasting station also can be used for carrying out between control centre, station and the driver wireless speech conversation, and it possesses data transmission interface, can transmit short message.When native system was artificial switching mode, the driver can with the keyboard input control of code by control panel, reach the result of switching program or overlapping text again by radio station with the controlled center of voice mode instruction code.Perhaps the information playing controller by with the instruction code at the controlled center of digital interface of radio station, the instruction of the code representative LCDs by remote keypad is shown, the prompting driver manually confirms.When native system is automatic switching mode, the information playing controller by with the instruction code at the controlled center of digital interface of wireless digital broadcasting station, carry out the switching of program and the stack of captions automatically.
Claims (5)
1. vehicle-mounted information Play System of subway, comprise onboard wireless receiver, information playing controller and LCD display, it is characterized in that described onboard wireless receiver connects a digital TV set-top box, digital TV set-top box is connected with the information playing controller, described information playing controller connects wireless digital broadcasting station and broadcasts control panel by the RS-422 interface, and the output of information playing controller transfers signals to LCD display by distribution amplifier.
2. the vehicle-mounted information Play System of subway according to claim 1, it is characterized in that described information playing controller mainly by image-text information broadcast card, look audio frequency alternative module, key mixes module, the remote manual control box is formed.
3. the vehicle-mounted information Play System of subway according to claim 1 is characterized in that the mainframe box of described information playing controller is installed in the motor-car compartment of not being with pantograph.
4. the vehicle-mounted information Play System of subway according to claim 1 is characterized in that the output signal of described information playing controller adopts simulation to look audio interface.
5. the vehicle-mounted information Play System of subway according to claim 1, it is indoor to it is characterized in that described wireless digital broadcasting station and broadcast control panel are arranged on subway train drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201133459U CN200956618Y (en) | 2006-04-29 | 2006-04-29 | Subway on-board information playing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201133459U CN200956618Y (en) | 2006-04-29 | 2006-04-29 | Subway on-board information playing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200956618Y true CN200956618Y (en) | 2007-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201133459U Expired - Fee Related CN200956618Y (en) | 2006-04-29 | 2006-04-29 | Subway on-board information playing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200956618Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160087293A (en) | 2015-01-13 | 2016-07-21 | 주식회사 제일기획 | Two - way communications devices capable of playing centralized control content in a store |
| CN113971892A (en) * | 2021-10-20 | 2022-01-25 | 广州通达汽车电气股份有限公司 | Broadcasting method and device of station, multimedia equipment and storage medium |
-
2006
- 2006-04-29 CN CNU2006201133459U patent/CN200956618Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160087293A (en) | 2015-01-13 | 2016-07-21 | 주식회사 제일기획 | Two - way communications devices capable of playing centralized control content in a store |
| CN113971892A (en) * | 2021-10-20 | 2022-01-25 | 广州通达汽车电气股份有限公司 | Broadcasting method and device of station, multimedia equipment and storage medium |
| CN113971892B (en) * | 2021-10-20 | 2022-12-27 | 广州通达汽车电气股份有限公司 | Broadcasting method and device of station, multimedia equipment and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |