CN107197537A - Tramcar communication system and method - Google Patents
Tramcar communication system and method Download PDFInfo
- Publication number
- CN107197537A CN107197537A CN201710358397.5A CN201710358397A CN107197537A CN 107197537 A CN107197537 A CN 107197537A CN 201710358397 A CN201710358397 A CN 201710358397A CN 107197537 A CN107197537 A CN 107197537A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- tramcar
- controller
- communication system
- radio access
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/70—Details of trackside communication
Abstract
The present invention relates to tramcar technical field, and in particular to a kind of tramcar communication system and method, described one Radio Access Controller of system, multiple fixed point WAPs, at least two vehicle-mounted wireless access points and at least two Vehicle Controllers；Each fixed point WAP is connected by a single data transmission cable with the Radio Access Controller respectively, build an independent LAN, the vehicle-mounted wireless access point accesses the LAN in the way of wireless bridging, in the LAN, the intercommunication of two Vehicle Controllers.Tramcar communication system and method provided in an embodiment of the present invention, it is a kind of communication mode of new model in tramcar field, compared with traditional tramcar communication mode, networking mode is simpler, communication speed is faster, it is possible to achieve the truck traffic under a LAN.
Description
Technical field
The present invention relates to tramcar technical field, more particularly to a kind of tramcar communication system and method.
Background technology
With expanding economy, field of track traffic has also welcome booming opportunity, modern city tramcar with
Its comfortableness is good, handling capacity of passengers is big, the low advantage of construction cost, is gained a place in field of track traffic.Tramcar safety
The realization of operation be unable to do without the infrastructural support of communication network, and current tramcar communication mode is arranged on tramcar
Vehicle Controller communicates with GCU, and GCU is also referred to as vehicle in zone controller, one region of management
Data transfer when crossing, while all calculating of train control system are all in zone controller, zone controller and train
Between be to be in communication with each other, information such as speed, positional information are transmitted to a zone controller, Region control by two trains simultaneously
Device passes two cars back again after calculating, so that the Vehicle Controller of two cars learns the operation conditions of oneself, is adjusted, same to time control
Data are also given to zone controller by center processed, and zone controller is transmitted to Vehicle Controller again, so as to realize the adjustment to vehicle.
The content of the invention
It is an object of the invention to provide a kind of tramcar communication system and method.
In order to realize foregoing invention purpose, the embodiments of the invention provide following technical scheme：
A kind of tramcar communication system, including Radio Access Controller, be installed on ground multiple fixed points it is wireless
Access point, at least two vehicle-mounted wireless access points and at least two Vehicle Controllers, a vehicle-mounted wireless access point and one
The individual Vehicle Controller is installed in a tramcar, the vehicle-mounted wireless access point and Vehicle Controller connection；
Each fixed point WAP in the multiple fixed point WAP passes through a single data transmission cable and the nothing respectively
Line access controller is connected, and builds a LAN, and the vehicle-mounted wireless access point is accessed described in the way of wireless bridging
LAN, in the LAN, the intercommunication of Vehicle Controller.
According to embodiments of the present invention, the vehicle-mounted wireless access point in moving process with it is multiple fixed point WAPs without
Line is bridged.Vehicle-mounted wireless access point in moving process can with it is one or more fixed point WAP wireless bridgings, when with
During multiple fixed point WAP wireless bridgings, optimal transmission channel is selected to carry out data transmission, and optimal channel is in rail
Can according to circumstances it be changed in electric car moving process, to ensure data safety transmitting.With it is multiple fixed point WAPs without
Line is bridged, and so can smoothly be transmitted with effective guarantee data.
According to embodiments of the present invention, the tramcar communication system also includes control terminal, in the LAN,
The Vehicle Controller is in communication with each other with the control terminal.
A kind of tramcar communication means based on tramcar communication system, the tramcar communication system includes one
Individual Radio Access Controller, the multiple fixed point WAPs for being installed on ground, at least two vehicle-mounted wireless access points and at least
Two Vehicle Controllers, a vehicle-mounted wireless access point and a Vehicle Controller are installed on a tramcar
In, the vehicle-mounted wireless access point and Vehicle Controller connection；Each fixed point in the multiple fixed point WAP
WAP is connected by a single data transmission cable with the Radio Access Controller respectively, builds a LAN；Institute
The method of stating includes：
The vehicle-mounted wireless access point accesses the LAN in the way of wireless bridging；
In the LAN, the communication connection set up by the Radio Access Controller between Vehicle Controller,
The intercommunication of the Vehicle Controller.
According to embodiments of the present invention, the tramcar communication system also includes the control being connected with Radio Access Controller
Terminal, methods described also includes：In the LAN, by the Radio Access Controller set up the control terminal with
Communication connection between Vehicle Controller, the Vehicle Controller is in communication with each other with the control terminal.
Compared with prior art, beneficial effects of the present invention：Tramcar communication system provided in an embodiment of the present invention and
Method, is the communication network and communication means of a kind of new model in tramcar field, with traditional tramcar communication mode
Compare, networking mode is simple, and communication speed is fast, it is possible to achieve train-ground communication under a LAN (Vehicle Controller with
Control terminal, trackside equipment, station equipment communication) and truck traffic (being communicated between Vehicle Controller).
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the schematic diagram for the tramcar communication system that present pre-ferred embodiments 1 are provided.
Fig. 2 is the schematic diagram for the tramcar communication system that present pre-ferred embodiments 2 are provided.
Main element symbol description
Radio Access Controller 101；Optical fiber 102；Pinpoint WAP 103；Trackside equipment 104；Vehicle Controller
105；Vehicle-mounted wireless access point 106；Station equipment 107；Interchanger 108；DSU 109；Control terminal 110；Rail
Electric car 200；Track 300.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Generally exist
The component of the embodiment of the present invention described and illustrated in accompanying drawing can be arranged and designed with a variety of configurations herein.Cause
This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
Embodiment 1
Fig. 1 is the structural representation of the tramcar communication system provided in the present embodiment.As shown in figure 1, the present embodiment
The tramcar communication system of middle offer, including Radio Access Controller (AccessController, abbreviation AC) 101,
Multiple fixed point WAPs (AccessPoint, abbreviation AP) 103, multiple vehicle-mounted wireless access points 106 and multiple vehicle-mounted controls
Device 105, fixed point WAP 103 is the WAP for being installed on ground fixed position, the He of Radio Access Controller 101
Fixed point WAP 103 is mounted on ground, usually, wherein, Radio Access Controller 101 is installed on the side of track 300
In control room, fixed point WAP 103 is installed on by track 300, and each fixed point WAP 103 passes through a radical respectively
It is connected according to transmission cable with Radio Access Controller 101, builds an independent LAN.Vehicle-mounted wireless access point 106 is
The WAP of tramcar is installed on, Vehicle Controller 105 is the controller for being installed on tramcar, Vehicle Controller
105 and vehicle-mounted wireless access point 106 be installed in tramcar 200, tramcar 200 installs a Vehicle Controller
105 and a vehicle-mounted wireless access point 106, Vehicle Controller 105 and vehicle-mounted wireless access point 106 in same tramcar
Connection.Because in actual use, tramcar is in mobile status along the operation of track 300, therefore, vehicle-mounted in moving process
WAP 106 is in the way of wireless bridging and pinpoints the wireless bridging of WAP 103, preferably with one or more fixed points
The wireless bridging of WAP 103.Specifically, the multiple fixed point WAPs 103 of the control management of Radio Access Controller 101 cover
The WLAN of composition is covered, it is each vehicle-mounted after being set by Radio Access Controller 101 to vehicle-mounted wireless access point 106
It is fixed that WAP 106 is accessed in the way of the wireless signal that its antenna searches the antenna transmitting of fixed point WAP 103
In the WLAN that point WAP 103 is covered.The radiation scope of two neighboring fixed point WAP 103 has weight
It is folded, in order to which vehicle-mounted wireless access point 106 can be with one or more fixed point wireless bridgings of WAP 103.In this implementation
In the communication system that example is provided, each fixed point WAP 103 and vehicle-mounted wireless access point 106 have independent IP address,
Under the unified management of this primary gateway of Radio Access Controller 101, it is possible to achieve being in communication with each other between train and train,
That is, in the LAN that multiple fixed point WAPs 103 are covered, the intercommunication of two Vehicle Controllers 105, example
Such as, other side Ben Che positional information is informed.
Data transmission cable can be two-wire line, microstrip transmission line, waveguide transmissions line, surface wave transmission line etc.,
In the present embodiment, preference data transmission cable is optical fiber 102, can preferably ensure data safety, rapidly transmit.
The fixed point WAP 103 closest with it in moving process of vehicle-mounted wireless access point 106 is wireless
Bridge joint, can make it that the arrangement distance of two neighboring fixed point WAP 103 is covered in antenna and to meet data transfer reliable
Property on the premise of as far as possible, with reduce fixed point WAP 103 usage amount.In order to realize vehicle-mounted wireless access point 106
Can be with the closest wireless bridging of fixed point WAP 103, pinpointing the installation site of WAP 103 needs to meet
Certain to require, this requirement is determined by the radiation scope of fixed point WAP 103.For example, with a wireless of Huawei Company
Exemplified by access point apparatus is as fixed point WAP 103, the radiation scope of fixed point WAP 103 is wirelessly connect with pinpointing
Centered on the peripheral hardware antenna of access point 103, the sector region that radius is 300 meters, radiation angle is 120 °, then fixed point WAP
103 are not more than between 300*cos60 °-track width, two neighboring fixed point WAP 103 with the vertical range of track
No more than 2*300*sin60 ° of distance.
The tramcar communication system that the present embodiment is provided, under the management and control of a Radio Access Controller 101, multiple
In the LAN centered on Radio Access Controller 101 for pinpointing the covering composition of WAP 103, onboard wireless access
Point 106 accesses the LAN in wireless bridging mode, and all devices are in a big LAN, with existing multiple nothings
The communication mode that line access controller manages multiple networks is compared, and what the tramcar communication system that the present embodiment is provided was built is
A kind of tramcar communication network of new model, networking mode is simpler, and communication speed is more rapidly, it is possible to achieve in a network
Lower truck traffic.
The communication means realized based on the tramcar communication system that the present embodiment is provided, can include step：
Step 1：Vehicle-mounted wireless access point accessed in the way of wireless bridging by Radio Access Controller manage it is multiple fixed
The LAN of point WAP covering composition；
Step 2：In the LAN, set up by Radio Access Controller between any two Vehicle Controller
Communication connection, the intercommunication of any two Vehicle Controller.
Embodiment 2
Referring to Fig. 2, the tramcar communication system provided in the present embodiment, including Radio Access Controller 101,
Multiple fixed point WAPs 103, one or more (two are depicted in Fig. 2) Interface Expanding equipment, multiple (only drawn in Fig. 2
Two) vehicle-mounted wireless access point 106, multiple (two have only been drawn in Fig. 2) Vehicle Controllers 105, control terminal 110, control
Terminal 110 is connected with Radio Access Controller 101, and Radio Access Controller 101 is installed in the control room on the side of track 300, fixed
Point WAP 103 is installed on by track 300, each fixed point WAP 103 respectively by an optical fiber 102 with it is wireless
Access controller 101 is connected, and a tramcar 200 installs a Vehicle Controller 105 and a vehicle-mounted wireless access point
106, Vehicle Controller 105 and vehicle-mounted wireless access point 106 in same tramcar, vehicle-mounted wireless access point 106 is with nothing
One that the mode of line bridge joint is closest with it pinpoints the wireless bridging of WAP 103.Radio Access Controller 101 can be with
(system provided for the present embodiment, equipment herein can be fixed point WAP 103 to management and control multiple equipment, can also
Including other equipment, such as trackside equipment 104 mentioned hereinafter, station equipment 107, database server 109, control terminal
110), a Radio Access Controller equipment of such as Huawei can be with 256 equipment of management and control, but are due to Radio Access Controller
101 interface is limited, it is generally the case that the quantity along the fixed point WAP 103 of a track installation is more than one wirelessly
The quantity of the available interface of access controller 101, therefore in actual use, it is necessary to connecing to Radio Access Controller 101
Mouth is extended, as shown in Fig. 2 being extended using Interface Expanding equipment to the interface of Radio Access Controller 101, works as fixed point
When the quantity of WAP 103 is more than the quantity of the available interface of Radio Access Controller 101, without directly with wirelessly connecing
The fixed point WAP 103 for entering the connection of controller 101 is connected by Interface Expanding equipment with fixed point WAP 103.
In the present embodiment, Interface Expanding equipment uses interchanger 108, and interchanger 108 passes through optical fiber 102 and wireless access control
Device 101 processed is connected, certainly, and Interface Expanding equipment can also be other equipment, such as router, hub.
The tramcar communication system that the present embodiment is provided, in the local of multiple fixed point WAP 103 covering compositions
In network, it can be not only in communication with each other between Vehicle Controller 105, can also between Vehicle Controller 105 and control terminal 110
It is in communication with each other.The communication means that the tramcar communication system provided namely based on the present embodiment is realized, can also include：Pass through
The communication connection that Radio Access Controller is set up between control terminal and Vehicle Controller, Vehicle Controller is mutual with control terminal
Communication.
Trackside equipment 104 is realized in the reliable guarantee of tramcar safe operation, the present embodiment, tramcar communication system
System can also include trackside equipment 104, trackside equipment 104 by Interface Expanding equipment (in the present embodiment be interchanger 108) with
Radio Access Controller 101 is connected, access to LAN, wired communication mode, safety and reliability, ensures safe train operation.Rail
Other equipment 104 can include but is not limited to Train Approaching detection sensor, track switch controller, crossing controller, crossing priority control
Device processed.Train Approaching detection sensor, track switch controller, crossing controller, crossing priority controller are to ensure railcar train peace
The conventional trackside equipment of row for the national games, wherein, Train Approaching detection sensor carries out proximity test to train, recognizes within the specific limits
It is close for train, it will be close to signal and be transmitted to other sensors.Track switch controller receives the track switch control of whole train control system
Order, after Train Approaching and route information is obtained by Train Approaching detection sensor and electronic tag, according to it is corresponding enter
The positioning of road information/flip operation order driving goat is rotated and locking track switch, to ensure train safety.Front truck goes out clearly
After track switch, discharge to the control of track switch to ensure that other trains using the normal of track switch.Crossing controller obtains approaching inspection
Survey the Train Approaching information that transmits of sensor, after the positional information that Vehicle Controller is transmitted, and traffic information on kilometer, road
Mouthful priority controller provides optimisation strategy, makes tramcar preferential by crossing, still allows road vehicle first mistake, by preference strategy
The traffic light controller on highway is issued, by shortening or extending the time of city vehicle red light or green light, whole traffic is realized
Optimum control, realization do not block up, and the traffic accident that city vehicle and tramcar bump against does not occur, and being capable of maximized reality
The passenger flow freight volume of existing tramcar.
In the present embodiment, tramcar communication system can also include database server 109, database server 109
Networking is connected with Radio Access Controller 101 by interchanger 108, database server 109 is used for the information such as access line figure,
Line map includes the data messages such as travel route, time-table, track switch control command.Line map is an original data
Storehouse, daily train is all dispatched a car according to same day timetable, if any abnormal conditions etc., and train control system can control adjustment, database service
Device serves whole train control system.
Station equipment can help passenger to understand in the situation of tramcar being currently running, the present embodiment, tramcar
Communication system can also include multiple station equipments 107, and each station equipment 107 is by Interface Expanding equipment (in the present embodiment
For interchanger 108) it is connected with Radio Access Controller 101.Station equipment 107 is installed in tramcar station (therefore ability
In domain, station equipment 107 is also referred to as station), station equipment 107 can include but is not limited to video camera, display device.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property is included, so that a series of equipment including key elements not only includes those key elements, but also including not arranging clearly
Other key elements gone out, or also include the key element intrinsic for this equipment.In the absence of more restrictions, by sentence
The key element that "including a ..." is limited, it is not excluded that also there is other identical element in the equipment including the key element.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (9)
1. a kind of tramcar communication system, it is characterised in that including a Radio Access Controller, be installed on the multiple of ground
WAP, at least two vehicle-mounted wireless access points and at least two Vehicle Controllers are pinpointed, an onboard wireless connects
Access point and a Vehicle Controller are installed in a tramcar, the vehicle-mounted wireless access point and the vehicle-mounted control
Device is connected；Each fixed point WAP in the multiple fixed point WAP respectively by a single data transmission cable with
The Radio Access Controller connection, builds a LAN, the vehicle-mounted wireless access point is connect in the way of wireless bridging
Enter the LAN, in the LAN, the intercommunication of Vehicle Controller.
2. tramcar communication system according to claim 1, it is characterised in that the vehicle-mounted wireless access point is in movement
During with it is multiple fixed point WAP wireless bridgings.
3. tramcar communication system according to claim 1, it is characterised in that the fixed point WAP is WiFi
Access point.
4. tramcar communication system according to claim 1, it is characterised in that also including control terminal, in the office
In the network of domain, the Vehicle Controller is in communication with each other with the control terminal.
5. tramcar communication system according to claim 4, it is characterised in that also including Interface Expanding equipment, works as institute
When the quantity for stating fixed point WAP is more than the interface quantity that the Radio Access Controller is provided, the fixed point wireless access
Point is connected by the Interface Expanding equipment with the Radio Access Controller.
6. tramcar communication system according to claim 5, it is characterised in that be also installed on tramcar including multiple
The station equipment at station, the multiple station equipment is connected by the Interface Expanding equipment with the Radio Access Controller.
7. tramcar communication system according to claim 5, it is characterised in that also including being layed in street railway
Other trackside equipment, the trackside equipment is connected by the Interface Expanding equipment with the Radio Access Controller.
8. the tramcar communication means based on tramcar communication system, it is characterised in that the tramcar communication system
Including a Radio Access Controller, it is installed on multiple fixed point WAPs, at least two vehicle-mounted wireless access points on ground
And at least two Vehicle Controllers, a vehicle-mounted wireless access point and a Vehicle Controller are installed on a rail
In electric car, the vehicle-mounted wireless access point and Vehicle Controller connection；It is each in the multiple fixed point WAP
Fixed point WAP is connected by a single data transmission cable with the Radio Access Controller respectively, builds a LAN
Network；Methods described includes：
The vehicle-mounted wireless access point accesses the LAN in the way of wireless bridging；
In the LAN, the communication connection set up by the Radio Access Controller between Vehicle Controller is described
The intercommunication of Vehicle Controller.
9. method according to claim 8, it is characterised in that the tramcar communication system also includes and wireless access
The control terminal of controller connection, methods described also includes：In the LAN, built by the Radio Access Controller
Vertical communication connection between the control terminal and Vehicle Controller, the Vehicle Controller and the control terminal phase intercommunication
Letter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710358397.5A CN107197537A (en) | 2017-05-19 | 2017-05-19 | Tramcar communication system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710358397.5A CN107197537A (en) | 2017-05-19 | 2017-05-19 | Tramcar communication system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107197537A true CN107197537A (en) | 2017-09-22 |
Family
ID=59875243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710358397.5A Pending CN107197537A (en) | 2017-05-19 | 2017-05-19 | Tramcar communication system and method |
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| CN (1) | CN107197537A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111874036A (en) * | 2020-05-31 | 2020-11-03 | 卡斯柯信号有限公司 | Tramcar autonomous operation control system based on car-to-car communication |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741493A (en) * | 2008-11-13 | 2010-06-16 | 上海鸣啸实业发展有限公司 | IP platform-based on-vehicle integrated information system |
| US20130201316A1 (en) * | 2012-01-09 | 2013-08-08 | May Patents Ltd. | System and method for server based control |
| CN103763679A (en) * | 2013-12-31 | 2014-04-30 | 北京交通大学 | Track traffic operation control and train-ground wireless communication integrated system and method |
| CN105704740A (en) * | 2015-06-29 | 2016-06-22 | 南方银谷科技有限公司 | Train vehicle-ground communication network system |
-
2017
- 2017-05-19 CN CN201710358397.5A patent/CN107197537A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741493A (en) * | 2008-11-13 | 2010-06-16 | 上海鸣啸实业发展有限公司 | IP platform-based on-vehicle integrated information system |
| US20130201316A1 (en) * | 2012-01-09 | 2013-08-08 | May Patents Ltd. | System and method for server based control |
| CN103763679A (en) * | 2013-12-31 | 2014-04-30 | 北京交通大学 | Track traffic operation control and train-ground wireless communication integrated system and method |
| CN105704740A (en) * | 2015-06-29 | 2016-06-22 | 南方银谷科技有限公司 | Train vehicle-ground communication network system |
| WO2017000574A1 (en) * | 2015-06-29 | 2017-01-05 | 南方银谷科技有限公司 | Train-to-ground communication network system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111874036A (en) * | 2020-05-31 | 2020-11-03 | 卡斯柯信号有限公司 | Tramcar autonomous operation control system based on car-to-car communication |
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