CN113306599A - Rail transit transparent screen display system and display method - Google Patents
Rail transit transparent screen display system and display method Download PDFInfo
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- CN113306599A CN113306599A CN202110700226.2A CN202110700226A CN113306599A CN 113306599 A CN113306599 A CN 113306599A CN 202110700226 A CN202110700226 A CN 202110700226A CN 113306599 A CN113306599 A CN 113306599A
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000012545 processing Methods 0.000 claims abstract description 57
- 230000003287 optical effect Effects 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 15
- 239000005341 toughened glass Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 3
- 229920001621 AMOLED Polymers 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/009—On-board display devices
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mechanical Engineering (AREA)
- Controls And Circuits For Display Device (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention belongs to the technical field of rail transit information display, in particular to a rail transit transparent screen display system and a display method, the rail transit transparent screen display system comprises a transparent screen module arranged on a train window, a network interface module, a switch module, a multimedia processing module and an optical sensor module for sensing the outdoor light intensity of the train window, wherein the network interface module, the switch module and the multimedia processing module are sequentially connected through signals, the optical sensor module is connected to the input end of the multimedia processing module through signals, the transparent screen senses the change of external light through the optical sensing module in the process of displaying pictures, automatically adjusts the brightness of the transparent screen, so that the transparent screen becomes brighter when the external light intensity becomes brighter, and becomes darker when the external light becomes darker, thereby automatically adjusting the brightness of the transparent screen according to the external environment, increasing the comfort level and the impression of the eyes of passengers, in addition, the transparent screen can play the pre-stored video and audio, and the real-time live broadcast function of network streaming can be realized, and the played pictures are richer.
Description
Technical Field
The invention belongs to the technical field of rail transit information display, and particularly relates to a rail transit transparent screen display system and a rail transit transparent screen display method.
Background
A display screen for displaying guidance information is generally installed on a train, and for example, a conventional display screen for displaying a vehicle-mounted dynamic map is generally installed on the upper side of a train door, and information such as a route of the train, a terminal, a next station to which the train will arrive, a train door open side indicator, a transfer station, and a transfer route can be displayed through the display screen.
The mode of installing the display screen above the train door can occupy a large space at the upper part of the train door, so that the structural design and the internal layout of the train need to consider the existence of the display screen, the transparent display screen is a screen capable of being used transparently, for example, Chinese patent document with publication number CN211786499U describes a transparent display installed on a train window, the traditional display screen above the train door can be replaced by installing the transparent display screen on the train window, and information is displayed on the transparent display screen on the train window, so that the mode is more fashionable and beautiful, and the structural design of the train can be optimized. Therefore, on the intelligent subway train of new generation, the window of subway not only can the printing opacity, can also be used for the passenger to look over current position, information such as show subway schedule, train operation route.
However, in the field of rail transit information display, the application of the transparent screen is still in an early stage and is not applied in a large scale, and at present, the transparent screen on a train has the following defects: firstly, the existing transparent screen applied to rail transit has low light transmittance, and the color development is not clear at a platform or an external light place, so that the eye fatigue of passengers is easily caused; secondly, the transparent screen on the existing train can only play a single picture, and the played information is not rich enough.
Disclosure of Invention
The invention aims to provide a rail transit transparent screen display system and a rail transit transparent screen display method, and solves the technical problems that a transparent screen used on a train is easy to be displayed unclearly and the display content is single in the prior art.
To solve the above technical problem, a first aspect of the present invention is:
the rail transit transparent screen display system comprises a transparent screen module installed on a train window, and further comprises:
the network interface module, the switch module and the multimedia processing module are sequentially in signal connection;
the light sensor module is used for sensing the outdoor light intensity of the train window;
the storage module is used for storing local audio-visual data;
the power supply module is used for performing voltage conversion;
the transparent screen module is in signal connection with the output end of the multimedia processing module, the output end of the power supply module is electrically connected with the multimedia processor module and the transparent screen module, the optical sensor module is in signal connection with the input end of the multimedia processing module, and the multimedia processing module controls the brightness of the transparent screen module according to the signals transmitted by the optical sensor module.
Preferably, the multimedia processing system further comprises a speaker connected to an output of the multimedia processing module by a signal.
Preferably, the network interface module is provided with an M12 interface, a DB9 interface or/and an RJ45 interface.
Preferably, the transparent screen module comprises two sides of the tempered glass and the transparent screen, the transparent screen is clamped between the two sides of the tempered glass, and the surface of the transparent screen is in contact with the surface of the tempered glass.
The second aspect of the present invention is:
the invention provides a rail transit transparent screen display method, which adopts the rail transit transparent screen display system of the first aspect of the invention, and comprises the following steps:
after the power supply on the train is converted through the power supply module, the power supply is supplied to the rail transit transparent screen display system;
in the working process of the rail transit transparent screen display system, the light sensor module receives light rays of the external environment of a train, sensing signals of the light sensor module are transmitted to the multimedia processing module, and the multimedia processing module adjusts signals output to the transparent screen module according to the received information of the light sensor module to control the brightness displayed by the transparent screen module;
the train receives media information from a server through a wireless network and transmits data to the switch module through the network interface module, the switch module sends multimedia streams to the multimedia processing module, then the multimedia processing module controls the transparent screen module to display network data, and the multimedia processing module can also call local audio-visual data in the storage module to be displayed on the transparent screen module.
Preferably, the rail transit transparent screen display system further comprises a speaker connected to an output end of the multimedia processing module through signals, and the multimedia processing module processes audio and sends the processed audio to the speaker to play sound while the transparent screen module displays video, so that sound and picture synchronization between the video displayed by the transparent screen module and the sound played by the speaker is achieved.
Preferably, in the running process of the train, the multimedia processing module controls the transparent screen module to display network data, and the multimedia processing module controls the transparent screen module to display the local audition data in the storage module within a period of time from the time when the train stops by the station to the time when the train starts to leave the station.
Compared with the prior art, the invention has the beneficial effects that:
1. this transparent screen display system of track traffic is including installing the transparent screen module on the train window, still include signal connection's network interface module in proper order, switch module and multimedia processing module, and be used for the outdoor light intensity's of sensing train window light sensor module, light sensor module signal connection is to multimedia processing module's input, transparent screen is at the display frame in-process, through the change of the external light of light sensing module perception, the luminance of automatic adjustment transparent screen, make it brighten thereupon under the condition that external light intensity becomes bright, darken thereupon under the condition that external light darkens, thereby according to external environment automatic adjustment transparent screen luminance, the comfort level and the impression of passenger's eyes are increased.
2. The rail transit transparent screen display system is also provided with a storage module for storing local audio-visual data, so that video animation and audio which are stored in advance can be played on windows of trains such as subways, a network stream real-time live broadcast function can be realized, and played pictures are richer.
3. All parts of the rail transit transparent screen display system adopt modular design, so that the development cost is reduced, and the reliability of equipment and the maintainability in the later operation process are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view illustrating an installation of a transparent screen module on a train in an embodiment of a rail transit transparent screen display system according to the present invention.
Fig. 2 is a circuit block diagram of an embodiment of a rail transit transparent screen display system according to the invention.
Fig. 3 is a flowchart of a display method of a rail transit transparent screen according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
a rail transit transparent screen display system, please refer to fig. 1 and fig. 2.
As shown in fig. 1, the rail transit transparent screen display system includes a transparent screen module 1 installed on a train window, where the transparent screen module 1 has the same shape as glass on other windows on the train, except that the transparent screen module 1 includes tempered glass on the inner side and the outer side and a transparent screen 11 in the middle, in this embodiment, the transparent screen 11 is an AM-OLED transparent screen, the AM-OLED transparent screen adopts an LVDS interface, and has the advantages of low power consumption, low error rate, low crosstalk and low radiation, and the data transmission speed can reach over 155 Mbps. Transparent screen 11 presss from both sides in the toughened glass middle of both sides, and transparent screen 11 surface and toughened glass surface contact, like this, the thickness of transparent screen module 1 and other glass's on the train thickness differ little, and because transparent screen 11 surface and toughened glass surface contact for the picture on the transparent screen 11 can be better sees through toughened glass, and the picture can not take place obvious distortion through toughened glass.
As shown in fig. 2, the rail transit transparent screen display system further includes a network interface module, a switch module, a multimedia processing module, an optical sensor module for sensing the outdoor light intensity of train windows, a storage module for storing local audiovisual data, and a power module for performing voltage conversion, the transparent screen module is connected to the output end of the multimedia processing module through signals, the output end of the power module is electrically connected to the multimedia processor module and the transparent screen module, the optical sensor module is connected to the input end of the multimedia processing module through signals, and the multimedia processing module controls the brightness of the transparent screen module according to the signals transmitted by the optical sensor module.
Specifically, two network interface modules are provided in this embodiment, including a network interface module 1 and a network interface module 2, which are respectively a DB9 interface and an RJ45 interface, so that the network can be connected through different types of interfaces, and the connected network is derived from media information received by the train from the server through the wireless network.
The switch module is used for converting the network data received from the network interface module 1 or the network interface module 2 into a signal 1 which can be processed by the multimedia processing module, and the network interface module can be expanded by setting the switch module, so that the network data can be received in different modes, and network cascade can be realized, so that the longer-distance transmission of the network data can be realized.
The multimedia processing module is a central processing unit provided with a singlechip and can convert the received signal 1 into a signal 2 and send the signal 2 to the transparent screen module for playing.
The optical sensor module is optical sensor, can convert the light signal of the environment outside the train window into the signal of telecommunication, optical sensor module transmits signal 5 to multimedia processing module, multimedia processing module is according to the signal of received optical sensor module, adjust the signal 4 of exporting transparent screen 11, through signal 4 comes the display brightness of controlling transparent screen 11, therefore, under the condition that light brightness changes outside the window, can in time adjust the luminance of transparent screen 11, reduce the luminance difference of the picture that shows on the transparent screen 11 and external environment, make the passenger can more easily see the picture on the transparent screen 11 clearly, make under the condition that external light changes, the passenger observes the picture on the transparent screen 11 and can not laboursome.
The local audio-visual data stored in the storage module comprises a route map of the train, station information along the route and audio used for broadcasting on the train, the multimedia processing module calls out a signal 6 in the storage module in a specified time period and displays the signal on the transparent screen, in addition, the track traffic transparent screen display system is also provided with a loudspeaker which is connected with the output end of the multimedia processing module through a signal, the loudspeaker is a mini loudspeaker and is convenient to install on the train, the multimedia processing module converts a received audio signal into a signal 3 and transmits the signal to the loudspeaker for sound playing, and the audio data obtained from the switchboard module and the local audio data obtained from the storage module can be synchronously played with the video or played independently on the loudspeaker.
The power supply module is used for converting 110V direct current transmitted by the train into low-voltage direct current which can be used by the multimedia processing module, the transparent screen and the loudspeaker, and the exchanger module directly supplies power through the train power supply.
Example 2:
a method for displaying a transparent screen of a rail transit system, please refer to fig. 3.
The rail transit transparent screen display method of the embodiment adopts the rail transit transparent screen display system of the embodiment 1.
Firstly, after the power supply on the train is converted through the power supply module, the power supply is supplied to the rail transit transparent screen display system, and the power supply is supplied to the switch module through the train power supply. The transparent screen, the loudspeaker and the multimedia processing module are powered by the power supply module.
Meanwhile, the brightness of the transparent screen is adjusted through the optical sensor module. Specifically, during the working process of the rail transit transparent screen display system, the light sensor module receives light rays of the external environment of the train, sensing signals of the light sensor module are transmitted to the multimedia processing module, and the multimedia processing module adjusts signals output to the transparent screen module according to the received information of the light sensor module to control the brightness displayed by the transparent screen module.
And then, in the running process of the train, the transparent screen displays video information and the loudspeaker plays audio information. Specifically, the train receives media information from the server through a wireless network and transmits data to the switch module through the network interface module, the switch module sends the multimedia stream to the multimedia processing module, then the transparent screen module is controlled by the multimedia processing module to display the network data, and the multimedia processing module can also call local audio-visual data in the storage module to display on the transparent screen module. The track traffic transparent screen display system further comprises a loudspeaker connected to the output end of the multimedia processing module through signals, the multimedia processing module processes audio and sends the processed audio to the loudspeaker to play sound while the transparent screen module displays video, and therefore the video displayed by the transparent screen module and the sound played by the loudspeaker are synchronized.
In this embodiment, in the running process of the train, the multimedia processing module controls the transparent screen module to display the network data, and in a period from before the train stops by the station to after the train starts to leave the station, the multimedia processing module controls the transparent screen module to display the local audition data in the storage module.
Therefore, the rail transit transparent screen display method can play video animation and audio which are stored in advance on the windows of trains such as subways and the like, can also realize the real-time live broadcast function of network flow, can sense the change of external light through the light sensing module in the display process, automatically adjusts the brightness of the transparent screen, enables the transparent screen to brighten under the condition that the external light intensity is brightened, and darkens under the condition that the external light is darkened, so that the brightness of the transparent screen is automatically adjusted according to the external environment, and the comfort level and the visual sense of eyes of passengers are improved.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a transparent screen display system of rail transit, is including installing the transparent screen module on the train window, its characterized in that still includes:
the network interface module, the switch module and the multimedia processing module are sequentially in signal connection;
the light sensor module is used for sensing the outdoor light intensity of the train window;
the storage module is used for storing local audio-visual data;
the power supply module is used for performing voltage conversion;
the transparent screen module is in signal connection with the output end of the multimedia processing module, the output end of the power supply module is electrically connected with the multimedia processor module and the transparent screen module, the optical sensor module is in signal connection with the input end of the multimedia processing module, and the multimedia processing module controls the brightness of the transparent screen module according to the signals transmitted by the optical sensor module.
2. The rail transit transparent screen display system of claim 1, wherein: and a speaker signal-connected to an output of the multimedia processing module.
3. The rail transit transparent screen display system of claim 1, wherein: and the network interface module is provided with an M12 interface, a DB9 interface or/and an RJ45 interface.
4. The rail transit transparent screen display system of claim 1, wherein: the transparent screen module comprises two sides, namely tempered glass and a transparent screen, the transparent screen is clamped between the two sides, and the surface of the transparent screen is in contact with the surface of the tempered glass.
5. A rail transit transparent screen display method, characterized in that, the rail transit transparent screen display system of claim 1 is adopted, comprising:
after the power supply on the train is converted through the power supply module, the power supply is supplied to the rail transit transparent screen display system;
in the working process of the rail transit transparent screen display system, the light sensor module receives light rays of the external environment of a train, sensing signals of the light sensor module are transmitted to the multimedia processing module, and the multimedia processing module adjusts signals output to the transparent screen module according to the received information of the light sensor module to control the brightness displayed by the transparent screen module;
the train receives media information from a server through a wireless network and transmits data to the switch module through the network interface module, the switch module sends multimedia streams to the multimedia processing module, then the multimedia processing module controls the transparent screen module to display network data, and the multimedia processing module can also call local audio-visual data in the storage module to be displayed on the transparent screen module.
6. The rail transit transparent screen display method of claim 5, wherein: the rail transit transparent screen display system further comprises a loudspeaker connected with the output end of the multimedia processing module through signals, the multimedia processing module processes audio and sends the processed audio to the loudspeaker to play sound while the transparent screen module displays video, and sound and picture synchronization of the video displayed by the transparent screen module and the sound played by the loudspeaker is achieved.
7. The rail transit transparent screen display method of claim 5, wherein: in the running process of the train, the multimedia processing module controls the transparent screen module to display network data, and the multimedia processing module controls the transparent screen module to display local audition data in the storage module within a period of time from the time when the train stops by the station to the time when the train starts to leave the station.
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| CN202110700226.2A CN113306599A (en) | 2021-06-23 | 2021-06-23 | Rail transit transparent screen display system and display method |
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| CN202110700226.2A CN113306599A (en) | 2021-06-23 | 2021-06-23 | Rail transit transparent screen display system and display method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114578716A (en) * | 2022-02-28 | 2022-06-03 | 长沙朗源电子科技有限公司 | Control method and device of smart window and storage medium |
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| CN212890335U (en) * | 2020-07-21 | 2021-04-06 | 肖小漫 | Subway train |
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2021
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| CN205044769U (en) * | 2015-09-01 | 2016-02-24 | 武汉地铁集团有限公司 | Subway train LCD dynamic map display device |
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Application publication date: 20210827 |