CN108377404A - Intelligent network joins automobile Multi net voting media screen - Google Patents

Intelligent network joins automobile Multi net voting media screen Download PDF

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Publication number
CN108377404A
CN108377404A CN201810452626.4A CN201810452626A CN108377404A CN 108377404 A CN108377404 A CN 108377404A CN 201810452626 A CN201810452626 A CN 201810452626A CN 108377404 A CN108377404 A CN 108377404A
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module
audio
interface
network
route selection
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Application number
CN201810452626.4A
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Chinese (zh)
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CN108377404B (en
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刘至键
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/414Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/41422Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance located in transportation means, e.g. personal vehicle
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61Network physical structure; Signal processing
    • H04N21/6106Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6131Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a mobile phone network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/765Interface circuits between an apparatus for recording and another apparatus
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/183Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

As intelligent network joins the development of automobile, it includes amusement that people freely can safely do other things during sitting, driving.Maximum change is exactly entertainment systems, past is regardless of journey length, amusement in terms of the sense of hearing is mainly provided by radio station, vehicle audio, and it cannot watch and especially watch media information, TV, film in real time, therefore deep exploitation is not carried out to this respect, the object of the present invention is to provide a kind of intelligent networks to join automobile Multi net voting media screen, the insufficient problem of stability, real-time, reliability when receiving media information to meet.

Description

Intelligent network joins automobile Multi net voting media screen
Technical field
The present invention relates to broadcasting television technology fields, and in particular to a kind of intelligent network connection automobile Multi net voting media screen.
Background technology
As intelligent network joins the development of automobile, people freely can safely make other thing packets during sitting, driving Include amusement.Maximum change is exactly entertainment systems, and no matter the past journey length, is mainly carried by radio station, vehicle audio For the amusement in terms of the sense of hearing, and it cannot watch and especially watch media information, TV, film in real time, therefore not have to this respect Deep exploitation is carried out, for Modern human populations, it is desirable that the services such as media information, television reception provided on intelligent network connection automobile It requires to reach simultaneously and watches that stabilization is watched in real time, to meet higher experience requirements.
Invention content
The object of the present invention is to provide a kind of intelligent networks to join automobile Multi net voting media screen, when receiving media information to meet Stability, real-time, the insufficient problem of reliability.To overcome disadvantages mentioned above, realize live telecast, environmental sampling reliable fortune Capable purpose, intelligent network disclosed by the invention connection automobile Multi net voting media screen include that network module, environmental sampling module, communication connect Receive module, conversion module, DTMB reception antennas, top box of digital machine, route selection module, display module, power module, intelligent network connection Mouthful;The intelligent network connecting port by 5V power connection points, 12V power connection points, 24V power connection points, HDMI high-definition interfaces, VGA images display interface, AUDIO-3.5MM audio interface, common ground tie point sequentially rearrange from left to right;It is described Power module is made of LDO-5V regulator circuits, LDO-12V regulator circuits, 24V12AH lithium batteries, 24V extension battery interfaces, Main function is to provide 5V power supplys to communication receiving module and conversion module, provides 12V power supplys to network module, environmental sampling mould Block, top box of digital machine, route selection module, display module provide 24V power supplys and give DTMB reception antennas;The environmental sampling module by Camera, front-end server composition;The conversion module input terminal be MicroUSB interfaces, output end be HDMI high-definition interfaces, VGA images display interface and AUDIO-3.5MM audio interface;The display module input terminal is HDMI high-definition interfaces, VGA figures As display interface and AUDIO-3.5MM audio interface, output end be HDMI high-definition interfaces, VGA images display interface and AUDIO-3.5MM audio interface;The route selection module has A and B two-way input terminals, have per road input terminal HDMI high-definition interfaces, VGA images display interface and AUDIO-3.5MM audio interface have output end all the way, output end to have HDMI high-definition interfaces, VGA figures As display interface and AUDIO-3.5MM audio interface, using automatic switchover;There are four types of network insertions to distinguish for the network module It is that RJ45 interface widebands WAN accesses, TDD-LTE 4G network insertions, FDD-LTE 4G network insertions, WCDMA 3G networks connect Enter;The network module, communication receiving module, conversion module are sequentially connected in series the A input terminals being followed by into route selection module, DTMB Reception antenna, top box of digital machine are connected in series with the B input terminals being followed by into route selection module, the output end of the route selection module and display Block coupled in series connects;The network module, communication receiving module, conversion module, route selection module, display module are sequentially connected in series At subchannel;The DTMB reception antennas, top box of digital machine, route selection module, display module are sequentially connected in series into main channel;Institute Environmental sampling module, network module, communication receiving module, conversion module, route selection module, display module is stated to be sequentially connected in series into Environmental sampling channel.
Now the technical principle of the present invention and wherein specific module are illustrated.In system, network module main function It is to provide stable signal link for communication receiving module, environmental sampling module, is realized from CCTV platform using broadband internet Obtain purpose of the signal as backup signal, the connectivity of signal link is key, consideration to adapt to different places to use and The change in signal strength of different spaces has used Huawei's B315 routers as module core, and there are four types of nets for the network module Network access way is based on RJ45 interface widebands WAN accesses, is based on TDD-LTE 4G network insertions, is based on FDD-LTE 4G networks Access is accessed based on WCDMA 3G networks, is used cooperatively place actual selection, maximum rate is selected after place to use is tested Access way, to ensure that signal link quality, the downlink of selected access way should be higher than that 20Mbps, time delay should be less than 50ms.It is logical It interrogates receiving module and selects Android system structure, while being operation there are 128G or more, communication receiving module main function in requirement Specified application software includes CCTV APP, is exported by MicroUSB interfaces after decoding graphics/audio, stable, total through surveying Body reliability is very high.Conversion module main function be the signal for exporting MicroUSB interfaces be converted into HDMI high-definition interfaces, The output signal of VGA images display interface and AUDIO-3.5MM audio interface is used to dock with rear end equipment.Environmental sampling Module is made of camera, vertical lift holder, front-end server, and using big China, H.265 6,000,000 pixel web cameras are same When on communication receiving module the big China's APP application software of installation, main function be the image of shooting is sent to by WIFI it is logical Receiving module is interrogated, export image by MicroUSB interfaces after the big China APP of communication receiving module installation carries out letter for route selection module Number selection;The main function of power module is to provide the 5V power supplys needed for communication receiving module and conversion module, provides network mould Block, environmental sampling module, top box of digital machine, route selection module, the 12V power supplys needed for display module, are supplied to DTMB reception antennas Required 24V power supplys, 24V12AH lithium battery groups built in power module and battery pack expansion interface use LDO lowering and stabilizing blood pressure electricity Line structure improves power supply EMI performances, and power module can provide whole system and run 4 hours or more under off-position of stopping.
When system operation, main channel is defeated through DTMB reception antennas, top box of digital machine by DTMB spacing waves offer signal source Go out to route selection module, display module is monitored signal and provides three kinds of interfaces, including HDMI high-definition interfaces, VGA images are shown Show interface and AUDIO-3.5MM audio interface to meet the connection needs that different rear end equipments include Chinese herbaceous peony projector, normal shape State provides graphics/audio signal using main channel to rear end equipment.Subchannel provides broadband internet channel by network module, with Ensure to CCTV platform link connection smoothly, communication receiving module opens application software and uses CCTV APP, selection target channel After image definition, routing mould is output to after communicating the converted module of signal of the MicroUSB interfaces output of receiving module Block.When main channel occurs abnormal, subchannel is automatically switched to using route selection module, signal restores unimpeded.
Environmental sampling channel is mainly used for the shooting, collecting to place to use image, and when operation opens communication receiving module Image is exported by MicroUSB interfaces after the big China APP selections image definition of application software, choosing is output to after converted module Road module.When needing place to use image to export to rear end equipment, manual switching is completed to operate to subchannel.
Beneficial effects of the present invention provide a kind of intelligent network connection automobile Multi net voting media screen, steady to solve traditional approach Qualitative and reliability is insufficient, and the services such as media information, the television reception provided on automobile are joined in intelligent network while reaching real-time receipts It sees that stabilization is watched, meets higher experience requirements, while realizing that environmental sampling output image carries out the purpose of Chinese herbaceous peony projection monitoring.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 intelligent networks join automobile Multi net voting media screen structure chart
Reference sign
In Fig. 1:11. environmental sampling module, 12. network modules, 13. communication receiving modules, 14. conversion modules, 15. routings Module, 16. display modules, 17. rear ends, 18. DTMB reception antennas, 19. top box of digital machines, 20. power modules.
Specific implementation mode
Now by taking operation as an example, the explanation of system schema is carried out.Main signal is using DTMB spacing waves through DTMB reception antennas It receives, exports two kinds of signals of HDMI high-definition interfaces and AV video and audios interface after being demodulated with top box of digital machine 19, Chinese herbaceous peony is supplied to throw Shadow machine.Due in traveling DTMB spacing waves can be affected by environment and change, need to establish time signal path.
The intelligent network connection automobile Multi net voting media screen includes network module 12, environmental sampling module 11, communication reception mould Block 13, conversion module 14, DTMB reception antennas 18, top box of digital machine 19, route selection module 15, display module 16, power module 20, Intelligent network connecting port;The intelligent network connecting port is by 5V power connection points, 12V power connection points, 24V power connection points, HDMI High-definition interface, VGA images display interface, AUDIO-3.5MM audio interface, common ground tie point sequentially arrange from left to right Composition;The power module 20 extends electricity by LDO-5V regulator circuits, LDO-12V regulator circuits, 24V12AH lithium batteries, 24V Pond interface composition, main function are to provide 5V power supplys to communication receiving module 13 and conversion module 14, provide 12V power supplys to network Module 12, environmental sampling module 11, top box of digital machine 19, route selection module 15, display module 16 provide 24V power supplys and are connect to DTMB Receive antenna 18;The environmental sampling module 11 is by environmental sampling module by camera, vertical lift holder, front-end server group At;14 input terminal of the conversion module be MicroUSB interfaces, output end be HDMI high-definition interfaces, VGA images display interface and AUDIO-3.5MM audio interface;16 input terminal of the display module be HDMI high-definition interfaces, VGA images display interface and AUDIO-3.5MM audio interface, output end are that HDMI high-definition interfaces, VGA images display interface and AUDIO-3.5MM audios connect Mouthful;The route selection module 15 has A and B two-way input terminals, have per road input terminal HDMI high-definition interfaces, VGA images display interface and AUDIO-3.5MM audio interface, there is an output end all the way, output end have HDMI high-definition interfaces, VGA images display interface and AUDIO-3.5MM audio interface, using automatic switchover;The network module 12 is RJ45 interfaces respectively there are four types of network insertion Broadband WAN accesses, TDD-LTE 4G network insertions, FDD-LTE 4G network insertions, the access of WCDMA 3G networks;The network Module 12, communication receiving module 13, conversion module 14 are sequentially connected in series the A input terminals being followed by into route selection module 15, and DTMB connects Receive antenna 18, top box of digital machine 19 is connected in series with the B input terminals being followed by into route selection module 15, the output end of the route selection module 15 It is connected in series with display module 16;The network module 12, communication receiving module 13, conversion module 14, route selection module 15, display Module 16 is sequentially connected in series into subchannel;The DTMB reception antennas 18, top box of digital machine 19, route selection module 15, display mould Block 16 is sequentially connected in series into main channel;The environmental sampling module 11, network module 12, communication receiving module 13, modulus of conversion Block 14, route selection module 15, display module 16 are sequentially connected in series into environmental sampling channel.
In system, 12 main function of network module be provided for communication receiving module 13, environmental sampling module 11 it is stable Signal link is realized from CCTV platform using broadband internet and obtains signal as the purpose of backup signal, the company of signal link The general character is crucial, and consideration will adapt to different places to use and the change in signal strength in different spaces, use the roads Huawei B315 By device as module core, there are four types of network access modes to be based on RJ45 interface widebands WAN accesses for the network module 12, is based on TDD-LTE 4G network insertions are accessed based on FDD-LTE 4G network insertions, based on WCDMA 3G networks, are used cooperatively place Actual selection selects the access way of maximum rate, to ensure signal link quality, selected access side after place to use is tested The downlink of formula should be higher than that 20Mbps, time delay should be less than 50ms.It communicates receiving module 13 and selects Android system structure, while in requirement There are 128G or more, communication 13 main function of receiving module is that the specified application software of operation includes CCTV APP, paddy beans APP, decoding It is exported by MicroUSB interfaces after graphics/audio, through surveying, stable, overall reliability is very high.Conversion module 14 is main Effect is that the signal for exporting MicroUSB interfaces is converted into HDMI high-definition interfaces, VGA images display interface and AUDIO- The output signal of 3.5MM audio interface is used to dock with rear end 17 equipment.Environmental sampling module 11 is by camera, vertical lift Holder, front-end server composition, using big magnificent H.265 6,000,000 pixel web camera, while on communication receiving module 13 The big China's APP application software of installation, main function are to send the image of shooting to communication receiving module 13 by WIFI, and communication connects It receives module 13 and installs and image is exported for the progress signal behavior of route selection module 15 by MicroUSB interfaces after big China APP;Power supply mould The main function of block 20 is to provide the 5V power supplys needed for communication receiving module 13 and conversion module 14, provides network module 12, ring Border sampling module 11, top box of digital machine 19, route selection module 15, the 12V power supplys needed for display module 16, are supplied to DTMB to receive day 24V power supplys needed for line 18,24V12AH lithium battery groups built in power module 20 and battery pack expansion interface, are depressured using LDO Voltage regulator circuit structure improve power supply EMI performances, stop off-position under power module 20 can provide whole system run 4 hours with On.
When system operation, main channel provides signal source through DTMB reception antennas 18, top box of digital machine by DTMB spacing waves 19 are output to route selection module 15, and display module 16 is monitored signal and provides three kinds of interfaces, including HDMI high-definition interfaces, VGA images display interface and AUDIO-3.5MM audio interface are to meet the connection that 17 equipment of different rear ends includes Chinese herbaceous peony projector It needs, normal condition provides graphics/audio signal using main channel to 17 equipment of rear end.Subchannel provides width by network module 12 Band internet channel, to ensure to CCTV platform link connection smoothly, communication receiving module 13 opens application software and uses centre Depending on APP, after selection target channel and image definition, the signal of the MicroUSB interfaces output of communication receiving module 13 is converted Route selection module 15 is output to after module 14.When main channel occurs abnormal, subchannel is automatically switched to using route selection module 15, is believed Number recovery is unimpeded.
Environmental sampling channel is mainly used for pairUse groundThe shooting, collecting of point image opens communication receiving module 13 when operation Application software big China APP selection image definition after image exported by MicroUSB interfaces, exported after converted module 14 To route selection module 15.When needing place to use image to export to 17 equipment of rear end, manual switching is completed to operate to subchannel.
The intelligent network connection automobile Multi net voting media screen of the present invention can be dropped in the matchmaker provided on intelligent network connection automobile with low The services such as body information, television reception reach simultaneously watches that stabilization is watched in real time, meets higher experience requirements, while realizing environment Sampling output image carries out the purpose of Chinese herbaceous peony projection monitoring.

Claims (1)

1. a kind of intelligent network joins automobile Multi net voting media screen, it is characterised in that:The system comprises network module, environmental sampling moulds Block, communication receiving module, conversion module, DTMB reception antennas, top box of digital machine, route selection module, display module, power module, Intelligent network connecting port;The intelligent network connecting port is by 5V power connection points, 12V power connection points, 24V power connection points, HDMI High-definition interface, VGA images display interface, AUDIO-3.5MM audio interface, common ground tie point sequentially arrange from left to right Composition;The power module extends battery by LDO-5V regulator circuits, LDO-12V regulator circuits, 24V12AH lithium batteries, 24V Interface forms, and main function is to provide 5V power supplys and gives communication receiving module and conversion module, provide 12V power supplys to network module, Environmental sampling module, top box of digital machine, route selection module, display module provide 24V power supplys and give DTMB reception antennas;The environment Sampling module is made of camera, vertical lift holder, front-end server;The conversion module input terminal connects for MicroUSB Mouthful, output end is HDMI high-definition interfaces, VGA images display interface and AUDIO-3.5MM audio interface;The display module is defeated It is HDMI high-definition interfaces, VGA images display interface and AUDIO-3.5MM audio interface to enter end, and output end is that HDMI high definitions connect Mouth, VGA images display interface and AUDIO-3.5MM audio interface;The route selection module has A and B two-way input terminals, defeated per road Entering end has HDMI high-definition interfaces, VGA images display interface and AUDIO-3.5MM audio interface, there is output end all the way, output end There are HDMI high-definition interfaces, VGA images display interface and AUDIO-3.5MM audio interface, using automatic switchover;The network mould Block is RJ45 interface widebands WAN accesses, TDD-LTE 4G network insertions, FDD-LTE 4G networks respectively there are four types of network insertion Access, the access of WCDMA 3G networks;The network module, communication receiving module, conversion module are sequentially connected in series and are followed by being selected in The A input terminals of road module, DTMB reception antennas, top box of digital machine are connected in series with the B input terminals being followed by into route selection module, the choosing The output end of road module is connected in series with display module;The network module, communication receiving module, conversion module, route selection module, Display module is sequentially connected in series into subchannel;The DTMB reception antennas, top box of digital machine, route selection module, display module according to It is secondary to be serially connected in main channel;The environmental sampling module, network module, communication receiving module, conversion module, route selection module, Display module is sequentially connected in series into environmental sampling channel.
CN201810452626.4A 2018-05-13 2018-05-13 Intelligent network-connected automobile multi-network media screen system Active CN108377404B (en)

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CN108377404B CN108377404B (en) 2023-12-22

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CN206850945U (en) * 2017-06-22 2018-01-05 广州世盟电子科技有限公司 A kind of vehicle-mounted digital television machine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004080414A (en) * 2002-08-19 2004-03-11 Yahata Denki Sangyo Kk Software for surveillance camera system for vehicle interior
CN102387067A (en) * 2011-09-27 2012-03-21 陕西中联电科电子有限公司 Various networks based polymorphism information interaction system
CN202486664U (en) * 2012-03-06 2012-10-10 费翔 Multifunctional on-board computer
CN202798973U (en) * 2012-09-11 2013-03-13 湖南天泰电子有限公司 High-definition video integrated system
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