CN207926653U - Vehicle-ground wireless communication system - Google Patents
Vehicle-ground wireless communication system Download PDFInfo
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- CN207926653U CN207926653U CN201820362519.8U CN201820362519U CN207926653U CN 207926653 U CN207926653 U CN 207926653U CN 201820362519 U CN201820362519 U CN 201820362519U CN 207926653 U CN207926653 U CN 207926653U
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Abstract
The utility model proposes a kind of vehicle-ground wireless communication systems, including data system, ground data system and land mobile communication system on vehicle, data system includes Vehicular video digital data recording system, train operation data recording system on vehicle, the land mobile communication system includes mobile network communication system, wireless communication system, Vehicular video digital data recording system is communicated by mobile network communication system with ground data system, and train operation data recording system can be communicated by mobile network communication system or wireless communication system with ground data system.Urban rail subway train-ground Design of Wireless Transmission System compensate for network-control monitoring system vehicle-mounted data information can not remote transmission monitoring deficiency, realize wireless downloading function in the wireless upload of train operation state data, fault data, train video monitoring data 4G main tracks and the non real-time libraries operation data file WLAN, by collecting multiple types train data, it can be achieved that ground faces train operation state remote comprehensive monitoring analysis.
Description
Technical field
The present invention relates to wireless communication field more particularly to a kind of train vehicle-ground wireless communication systems.
Background technology
With the fast development of urban rail transit in China scale, the production business demand of support train safe operation also exists
It is continuously increased.In order to ensure train main track highly effective and safe operation, train has configuration networked control system of the train monitoring system at present.It should
" brain " of the system as train can be realized to the vehicle-mounted real time monitoring of train operation state and control function, driver is pacified
Complete drive plays a key effect.
Networked control system of the train monitoring system gets the main operating status of each system of train by industry spot communication bus
Data are realized to train-installed real time monitoring, but since monitoring data can not remotely be real-time transmitted to ground, ground operation is tieed up
Shield personnel can not remotely obtain train operation state in real time, when such as there is drawing at the critical systems failure in on-line operation train, mesh
The technological means of preceding dependence is mainly emergent judgement and processing of the driver scene to failure, it is possible to will appear driver and judge train by accident
Fault level takes the improper troubleshooting mode situation such as visitor under clear line, is affected to train normal operation.
Invention content
The technical issues of present invention is on above-mentioned track train vehicle with that cannot carry out real-time Data Transmission under vehicle proposes
It is a kind of that there is the track train car-ground radio Transmission system that data transmission is timely, efficiency of transmission is high.
To achieve the goals above, the present invention provides following technical solutions：
A kind of vehicle-ground wireless communication system, including data system, ground data system and land mobile communication system on vehicle, Che Shang
Data system includes Vehicular video digital data recording system, train operation data recording system, and the land mobile communication system includes moving
Dynamic network communicating system, wireless communication system, Vehicular video digital data recording system pass through mobile network communication system and ground number
According to system communication, train operation data recording system can pass through mobile network communication system or wireless communication system and ground data
System communication.
Preferably, the Vehicular video digital data recording system includes that drivers' cab video recording apparatus, automobile data recorder regard
Frequency recording device and the video server cached for video data, the drivers' cab video recording apparatus, automobile data recorder
Video recording apparatus is with video server into row data communication.
Preferably, the mobile network communication system is 4G communication systems.
Preferably, the wireless communication system includes the vehicle-mounted AP antennas of setting onboard, and along vehicle phase library
Trackside AP antennas in the library of setting.
Preferably, data system further comprises that vehicle-mounted data record sends instrument, vehicle-mounted data record hair on the vehicle
Instrument is sent to be communicated with Train Control and management system MVB bus and PIS industry ethernets, to obtain Vehicular video data record system
The data of system and train operation data recording system；Vehicle-mounted data record send instrument further with mobile network communication system, nothing
Line communication system communication, earthward to send the data that data system records on vehicle.
Preferably, vehicle-mounted data record sends instrument through 4G routers and 4G communication system communications.
Preferably, vehicle-mounted data record sends instrument through vehicle-mounted Ethernet and vehicle-mounted AP gateway communications, and through vehicle-mounted AP nets
It closes and AP antenna communications.
Preferably, the vehicle-mounted AP antennas are arranged in head vehicle or trailer.
Preferably, it is communicated by optical fiber between trackside AP antennas in the library.
Preferably, the ground data system includes data switching exchane, ground-based server；The ground interchanger and shifting
Dynamic communication system and wireless communication system communicating, to obtain Vehicular video data and train operating data.
Compared with prior art, the advantages and positive effects of the present invention are：
(1) multifunctional vehicle bus (MVB bus) communication technology is used to realize data record and send instrument to train key
All signal data monitor log functions of system.MVB communication bus passes through MVB as rail vehicle reliable data communication bus
Bus realizes the data exchange between each node of intra-locomotive, ensures the efficient data communication device system of motorcycle safety.
(2) 4G public network wireless data transmission technologys are used, realize train real-time status data and fault data it is wireless on
Pass function.By carrier data transmission channel, technical maturity is high, and the network coverage is good, has the characteristics that flexible and convenient to use.
(3) WLAN WLAN data transmission technologies are used, realize the non real-time running state data data file of train
Wireless upload function.WLAN WLANs have the advantages that message transmission rate is high, and after being very suitable for train Hui Ku, high-volume is remembered
It records file and realizes quick-downloading function in the short time.
(4) system realizes that ground monitoring system platform is monitored in real time and counted to train operation state using B/S pattern architectures
According to analytic function.
Urban rail subway train-ground Design of Wireless Transmission System compensates for network-control monitoring system vehicle-mounted data information can not be remote
The deficiency of journey transmitting, monitoring realizes that train operation state data, fault data, train video monitoring data 4G main tracks wirelessly upload
And wireless downloading function in the non real-time libraries operation data file WLAN is faced with realizing by collecting multiple types train data
Train operation state remote comprehensive monitoring analysis function, to provide Remote technical support for train operation and remotely examine
It is disconnected.
Description of the drawings
Fig. 1 is the structural schematic diagram of land mobile communication system of the present invention；
Fig. 2 is the flow diagram of train-ground communication method of the present invention.
Wherein：Data system on 1- vehicles；11- Vehicular video digital data recording systems, 111- drivers' cab video recording apparatus,
112- automobile data recorder video recording apparatus, 113- video servers, 12- vehicle-mounted datas record send instrument, 2- ground datas system
System, 21- data switching exchanes, 22- ground-based servers, 3- vehicles, 4- trailers, the vehicle-mounted 4G antennas of 51-, 52-4G routers, 61- vehicles
AP antennas are carried, trackside AP antennas in the libraries 62-, the vehicle-mounted AP gateways of 63-, 7- Train Controls and management system MVB bus, 8-PI S
Industry ethernet, the vehicle-mounted Ethernets of 9-.
Specific implementation mode
In the following, the present invention is specifically described by illustrative embodiment.It should be appreciated, however, that not into one
In the case of step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiment
In.
A kind of vehicle-ground wireless communication system, including data system 1, ground data system 2 and land mobile communication system on vehicle,
Data system 1 is used to record the data of train operation on middle vehicle, and ground data system 2 is run for obtaining in real time on train vehicle
Data.
Data system includes Vehicular video digital data recording system 11, train operation data recording system on vehicle.It is wherein vehicle-mounted
Video data recording system 11 is for recording train video monitoring data, including drivers' cab video recording apparatus 111, driving recording
Instrument video recording apparatus 112 and the video server 113 cached for video data, drivers' cab video recording apparatus 111 are
Drivers' cab video cassette recorder in drivers' cab (head vehicle 3 and trailer 4) is set, and automobile data recorder video recording apparatus 112 is row
Vehicle recorder video camera, the two is with video server 113 into row data communication, to store video monitoring data.
Land mobile communication system includes mobile network communication system and wireless communication system, and Vehicular video digital data recording system is logical
It crosses mobile network communication system to communicate with ground data system, train operation data recording system by that can be by mobile network
System or wireless communication system are communicated with ground data system.
Specific to the present embodiment, the mobile network communication system for being used for transmission video data is 4G communication systems, including vehicle
Carry 4G antennas 51 and 4G routers 52.The wireless communication system for being used for transmission train operating data includes setting onboard vehicle-mounted
Trackside AP antennas 62 in AP antennas 61, and the library that is arranged along vehicle phase library；Wherein the setting of vehicle-mounted AP antennas 61 in head vehicle 3 or
Trailer 4, trackside AP antennas 62 include the trackside AP antennas 62 along N number of library that automobile running orbit is arranged in library, to ensure train
It can carry out data transmission between ground in real time in operational process, between trackside AP antennas 62 be led to by optical fiber in library
Letter.
More specifically, data system further comprises that vehicle-mounted data record sends instrument 12, vehicle-mounted data record hair on vehicle
Send instrument 12 with Train Control and management system MVB bus 7 (for obtaining train operation with train operation data recording system communication
Data) and the communication of P I S industry ethernets 8 (obtaining train video data for being communicated with Vehicular video digital data recording system),
To obtain the data of Vehicular video digital data recording system and train operation data recording system；Vehicle-mounted data record send instrument 12 into
One step and mobile network communication system, wireless communication system communicating, earthward to send the data that data system records on vehicle.Vehicle
Real time data and non-real-time data can be divided by carrying the data that data record transmission instrument 12 records, with reference to figure 2, wherein number in real time
The implementation operating status of train is grasped in order to identify real time fail as early as possible according to being divided into real-time running data and implementing fault data,
Vehicle-mounted data record sends the real time data that instrument 12 records and is transferred to ground through mobile network communication system；Non-real-time data is main
Including non real-time operation data, wherein non real-time operation data and real time data are divided into real-time running data and implement number of faults
According to being required to be stored, and system is transferred to ground by radio communication after storing.
Concrete methods of realizing is that vehicle-mounted data record sends instrument 12 through the vehicle-mounted of 4G routers 52 and 4G communication system communications
4G antennas 51 communicate；Vehicle-mounted data record sends instrument 12 and is communicated with vehicle-mounted AP gateways 63 through vehicle-mounted Ethernet 9, through vehicle-mounted AP gateways
63 communicate with AP antennas 62.
Ground data system 2 includes ground data interchanger 21, ground-based server 22；Ground data interchanger 21 and movement
Communication system and wireless communication system communicating, to obtain Vehicular video data and train operating data.Specifically, pass through vehicle-mounted AP
Antenna 61 obtains train operating data, and train video data is obtained by vehicle-mounted 4G antennas 51.
When system works, the communication of Vehicular video digital data recording system obtains train video data through P I S industry ethernets 8
It is uploaded to vehicle-mounted data record and sends instrument 12, and ground-based server 22 is transferred to through vehicle-mounted 4G antennas 51, train network video is taken the photograph
As head can realize ground by the 4G wireless data transmission channels comprising vehicle-mounted 4G routers 52 and 4G antennas 51 built
Face monitoring center 4G Video Remote calling functions；Train operating data is uploaded to vehicle through Train Control and management system MVB bus 7
It carries data record and sends instrument 12, and trackside AP antennas 62 in library are transferred to through vehicle-mounted AP antennas 61, be finally transmitted to ground service
Device 22.
Based on above system, may be implemented with the real-time Communication for Power under vehicle on vehicle, in the process of running, system will determine train
The running state data that the good needs of justice transmit is uploaded to ground-based server 22 according to certain time interval.In view of by 4G
The factors such as signal cover influence, 4G wireless transmission links unstability that may be present, and system supports packet loss data re-transmitting
Mechanism ensures that uploading operation data does not lose.Based on this, ground control centre can obtain current train main track operation shape in real time
Condition, when train breaks down, fault data can trigger upload.Vehicle-mounted data record sends the event that instrument 12 monitors all records
Barrier occur with the state of releasing, when certain failure occurs or releases triggering upload in time the fault message (including failure I D therefore
The information such as barrier system, fault car), at the same by the failure occur the moment critical environments information (including time of failure, when
Preceding speed, current site, net pressure, net stream etc. information) be uploaded to ground station server, with maintenance personnel convenient to overhaul can and
When obtain current train operation troubles state, take effective countermeasure.
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
It imitates embodiment and is applied to other fields, but it is every without departing from technical solution of the present invention content, according to the technical essence of the invention
To any simple modification, equivalent variations and remodeling made by above example, the protection domain of technical solution of the present invention is still fallen within.
Claims (8)
1. a kind of vehicle-ground wireless communication system, including data system, ground data system and land mobile communication system on vehicle, feature
It is：Data system includes Vehicular video digital data recording system, train operation data recording system on the vehicle, is led to the vehicle
Letter system includes mobile network communication system, wireless communication system, and the Vehicular video digital data recording system passes through mobile network
Communication system is communicated with ground data system, and the train operation data recording system can pass through mobile network communication system or nothing
Line communication system is communicated with ground data system；
Data system further comprises that vehicle-mounted data record sends instrument on the vehicle, and vehicle-mounted data record sends instrument and Train Control
And management system MVB bus and P I S industry ethernets communicate, to obtain Vehicular video digital data recording system and train operation
The data of digital data recording system；It is further logical with mobile network communication system, wireless communication system that vehicle-mounted data record sends instrument
Letter, earthward to send the data that data system records on vehicle；
The ground data system includes ground data interchanger, ground-based server；The ground data interchanger leads to mobile
Letter system and wireless communication system communicating, to obtain Vehicular video data and train operating data.
2. vehicle-ground wireless communication system as described in claim 1, it is characterised in that：The Vehicular video digital data recording system packet
Drivers' cab video recording apparatus, automobile data recorder video recording apparatus and the video server cached for video data are included,
The drivers' cab video recording apparatus, automobile data recorder video recording apparatus are with video server into row data communication.
3. vehicle-ground wireless communication system as described in claim 1, it is characterised in that：The mobile network communication system is logical for 4G
Letter system.
4. vehicle-ground wireless communication system as described in claim 1, it is characterised in that：The wireless communication system includes that setting exists
Vehicle-mounted AP antennas on vehicle, and the trackside AP antennas along the library of Ku Nei rolling stock sections setting.
5. vehicle-ground wireless communication system as described in claim 1, it is characterised in that：Vehicle-mounted data record sends instrument and is route through 4G
Device and 4G communication system communications.
6. vehicle-ground wireless communication system as described in claim 1, it is characterised in that：Vehicle-mounted data record send instrument through it is vehicle-mounted with
Too net and vehicle-mounted AP gateway communications, and through vehicle-mounted AP gateways and AP antenna communications.
7. vehicle-ground wireless communication system as claimed in claim 4, it is characterised in that：The vehicle-mounted AP antennas setting in head vehicle or
Trailer.
8. vehicle-ground wireless communication system as claimed in claim 4, it is characterised in that：Pass through between trackside AP antennas in the library
Optical fiber is communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362519.8U CN207926653U (en) | 2018-03-16 | 2018-03-16 | Vehicle-ground wireless communication system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820362519.8U CN207926653U (en) | 2018-03-16 | 2018-03-16 | Vehicle-ground wireless communication system |
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| CN207926653U true CN207926653U (en) | 2018-09-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109471748A (en) * | 2018-11-05 | 2019-03-15 | 广州地铁集团有限公司 | A kind of Urban Rail Transit Signal mobile unit Intelligence Diagnosis method and device thereof |
| CN111050304A (en) * | 2018-10-12 | 2020-04-21 | 南京江宁公共交通信息科技有限公司 | Full-network communication vehicle router management system and operation method thereof |
| CN118075793A (en) * | 2024-04-25 | 2024-05-24 | 沈阳地铁集团有限公司 | PIS vehicle-ground wireless transmission monitoring method based on WIFI6 technology |
-
2018
- 2018-03-16 CN CN201820362519.8U patent/CN207926653U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111050304A (en) * | 2018-10-12 | 2020-04-21 | 南京江宁公共交通信息科技有限公司 | Full-network communication vehicle router management system and operation method thereof |
| CN109471748A (en) * | 2018-11-05 | 2019-03-15 | 广州地铁集团有限公司 | A kind of Urban Rail Transit Signal mobile unit Intelligence Diagnosis method and device thereof |
| CN118075793A (en) * | 2024-04-25 | 2024-05-24 | 沈阳地铁集团有限公司 | PIS vehicle-ground wireless transmission monitoring method based on WIFI6 technology |
| CN118075793B (en) * | 2024-04-25 | 2024-06-21 | 沈阳地铁集团有限公司 | PIS vehicle-ground wireless transmission monitoring method based on WIFI6 technology |
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