CN108545099A - Traveler guiding system based on train exact position - Google Patents
Traveler guiding system based on train exact position Download PDFInfo
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- CN108545099A CN108545099A CN201810427633.9A CN201810427633A CN108545099A CN 108545099 A CN108545099 A CN 108545099A CN 201810427633 A CN201810427633 A CN 201810427633A CN 108545099 A CN108545099 A CN 108545099A
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- Prior art keywords
- train
- equipment
- ground
- stationary nodes
- monitoring
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Classifications
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- 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
- B61L27/04—Automatic systems, e.g. controlled by train; Change-over to manual control
-
- 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
- B61L27/40—Handling position reports or trackside vehicle data
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The present invention proposes a kind of traveler guiding system based on train exact position, including：Train-installed equipment, ground stationary nodes equipment, ground monitoring center and display equipment, wherein for carrying out point-to-point ranging between train-installed equipment and the ground stationary nodes equipment；The train-installed equipment is arranged two, is separately positioned on the rear and front end of train, for monitoring the real-time accurate distance of vehicle and the train and ground stationary nodes equipment before and after the train；The train-installed equipment includes UWB device, and UWB device is used for the ranging and communication of the train；Several ground stationary nodes equipment are set, and ground stationary nodes equipment room is for carrying out automatic and accurate ranging and communicating described in any two；The ground stationary nodes equipment is connect with the UWB device through wireless communication, and the ground stationary nodes equipment obtains the distance between the ground stationary nodes equipment and the UWB device data for being communicated with the UWB device.
Description
Technical field
The present invention relates to train Positioning Technology fields, draw in particular to a kind of passenger based on train exact position
Guiding systems.
Background technology
Currently, on closed subway tunnel line, since circuit blocks verification to realize the transmission of satellite-signal and obtain
It takes, therefore realizes that completely precisely point location is difficult to realize the train in tunnel using the Big Dipper or GPS satellite location technology, and by
It can not be positioned in train so that passenger does not know position and the arrival time of train, increases passenger's stand-by period, reduces ground
The service level of iron.
Invention content
In consideration of it, the present invention proposes a kind of traveler guiding system based on train exact position, it is intended to solve to train
It is accurately positioned to improve the problem of subway service level.
On one side, the present invention proposes a kind of traveler guiding system based on train exact position, including：It is train-installed
Equipment, ground stationary nodes equipment, ground monitoring center and display equipment, wherein the train-installed equipment and the ground
For carrying out point-to-point ranging between stationary nodes equipment；The train-installed equipment is arranged two, is separately positioned on train
Rear and front end, for monitoring the real-time accurate distance of vehicle and the train and ground stationary nodes equipment before and after the train；Institute
It includes UWB device to state train-installed equipment, and the UWB device is used for the ranging and communication of the train；It is arranged described in several
Ground stationary nodes equipment, ground stationary nodes equipment room described in any two is for carrying out automatic and accurate ranging and communicating；Institute
It states ground stationary nodes equipment to connect with the UWB device through wireless communication, the ground stationary nodes equipment is used
It is communicated in the UWB device, and obtains the distance between the ground stationary nodes equipment and the UWB device data；Institute
It states ground stationary nodes equipment also to connect with the ground monitoring center with described, to carry out data transmission；The ground monitoring
Center includes monitoring central server, the institute that the monitoring central server is used to be exported according to the ground stationary nodes equipment
Range data is stated, generates the precise position data of the train, and to the precise position data into transmission；The display equipment
Several are arranged in passenger traffic areas and region of waiting, the display equipment in setting, the display equipment setting and the prison
Central server connection is controlled, for showing the train at a distance from the traffic areas and region of waiting and the train arrival
Time.
Further, the ground monitoring center further includes mobile terminal and/or management terminal, the mobile terminal and/
Or management terminal is used to carry out real-time dynamic monitoring and remote management to the train.
Further, accurate track circuit kilometer post built in the ground stationary nodes equipment.
Further, the positioning system is used to generate precise electronic map according to the subway line track.
Further, each ground stationary nodes equipment correspond on the precise electronic map one it is accurate one-dimensionally
Manage coordinate.
Further, the train-installed equipment further includes on-vehicle host and monitoring display.
Further, the train-installed equipment is preset with mobile unit interface.
Compared with prior art, beneficial effects of the present invention are：It is carried out using wireless pulses radiofrequency signal mechanism point-to-point
Two-way flight time ranging and communication, train can surveyed in range with rail track stationary nodes at a distance from by obtaining, automatic judgement
Exact position of the train on railway line road is closed by the mapping of high-precision railroad track electronic map and train operation track
System realizes that subway train is accurately positioned, to greatly improve the setting accuracy of train, and by showing equipment display row
The location information of vehicle prompts the distance of passenger train and the time that will be reached, and makes the trip of passenger's reasonable arrangement and riding time,
To greatly improve the service level of subway.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit are common for this field
Technical staff will become clear.Attached drawing only for the purpose of illustrating preferred embodiments, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the traveler guiding system provided in an embodiment of the present invention based on train exact position.
Specific implementation mode
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.It should be noted that in the absence of conflict, embodiment in the present invention and
Feature in embodiment can be combined with each other.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig.1, it is the knot of the traveler guiding system provided in an embodiment of the present invention based on train exact position
Structure schematic diagram.The present embodiment proposes a kind of traveler guiding system based on train exact position, including：Train-installed equipment,
Ground stationary nodes equipment, ground monitoring center and display equipment, wherein train-installed equipment and ground stationary nodes equipment it
Between for carrying out point-to-point ranging；Train-installed equipment is arranged two, the rear and front end of train is separately positioned on, for monitoring
The real-time accurate distance of vehicle and train and ground stationary nodes equipment before and after train；Train-installed equipment includes UWB device, UWB
Device is used for the ranging and communication of train；Several ground stationary nodes equipment, any two ground stationary nodes equipment are set
Between for carrying out automatic and accurate ranging and communicate；Ground stationary nodes equipment is connect with UWB device through wireless communication,
Ground stationary nodes equipment is used to the distance between communicating, and obtaining ground stationary nodes equipment and UWB device number with UWB device
According to；Ground stationary nodes equipment is also connect with ground monitoring center, to carry out data transmission；Ground monitoring center includes monitoring
Central server, the range data that monitoring central server is used to be exported according to ground stationary nodes equipment, generates the essence of train
True position data, and to precise position data into transmission.In passenger traffic areas and region of waiting, display is set for display equipment setting
Standby that several are arranged, display equipment setting is connect with the monitoring central server, for showing train and traffic areas and time
The distance in vehicle region and train arrival time.
Specifically, display equipment includes the display being arranged in traffic areas and region of waiting.Positioning system can be realized
Subway train real-time high-precision positions, and by accurate position monitoring and display, realizes the accurate guiding in way passenger, can be significantly
It is horizontal to promote subway commuter service.
Specifically, ground monitoring center further includes mobile terminal and/or management terminal, mobile terminal and/or management are eventually
End to train for carrying out real-time dynamic monitoring and remote management.
Specifically, accurate track circuit kilometer post built in the stationary nodes equipment of ground.Positioning system is used for base area
Iron line track generates precise electronic map.Each ground stationary nodes equipment correspond on precise electronic map one it is accurate one-dimensional
Geographical coordinate.Train-installed equipment further includes on-vehicle host and monitoring display.Train-installed equipment is preset with mobile unit and connects
Mouthful.
Specifically, the present embodiment positioning system is powered, grade is powered for three stage loads, is provided by subway train and trackside
AC220V power supply power supply mechanism, fluctuation range are+10%~-15%, frequency 50Hz.System itself carries intelligent standby electricity
Source, under dispatch from foreign news agency power blackout situation, it is ensured that armamentarium works 24 hours or more.
Specifically, mobile unit is by groups such as on-vehicle host, monitoring display, UWB rangings and communication devices (containing antenna)
At.Equipment is mounted on the driver's cabin of train rear and front end, is mainly used for vehicle and train and ground fixed position before and after monitoring train
The real-time accurate distance of (such as circuit end).
Equipment is connected by following interfaces and train：
(1) vehicle power supply interface：Vehicle-mounted AC220V power supplys can be connected and take electricity.
(2) vehicular speeds sensor interface (optional)：By connection train speed sensor, train tacho-pulse is obtained,
Train operation dynamic is monitored by the speed and direction that judge train.
(3) train terminal device communication connection (optional)：It can be set by the pre- wired connection port of train both ends driver's cabin
It is fixed, it is proposed that the both ends CAN bridge equipment to be used, to realize that device data interconnects.
(4) Vehicle Controller interface (optional, only to be needed in Train Control)：The mobile unit of system has been reserved multiple defeated
Outgoing interface, these interfaces mainly for realize train active safety protection when play a role.If permitted through user or main engine plants
Can, relevant interface can also be connect with train control system, and on-vehicle host can access train dynamics total loop control by I/O break-makes
System also can connect train control by serial RS485 interfaces, or is connected with ATP system by the data-interface of agreement.
Reserved installation space (being determined according to train driving room real space)
(1) antenna chamber reserves the installation ranging of the spaces 150X180X200mm and communication module above driver's cabin ceiling
(containing antenna) position.
(2) in bridge operation table top, 80X260X180mm display screen installation sites are reserved；
(3) the on-vehicle host peace in the spaces 200X200X260mm is reserved in the cabinet of bridge bottom or in bridge equipment cabinet
Holding position.
Specifically, ground installation, refers to the stationary nodes equipment as ground location mark point, as blind siding backstop,
Station passes in and out or specified point position marks etc., and for the equipment in addition to not setting display, device structure is consistent with on-vehicle host structure,
Include host and UWB rangings and communication module (containing antenna), host has reserved that CAN interface, serial ports and I/O interfaces etc. are multiple to be connect
Mouthful, it is suitable for the train safety monitoring of metro environment and a variety of applications of equipment management.In practical application, installed additional in ground installation
Wireless network DTU is, it can be achieved that equipment telemonitoring.When practical application, point device is fixed because undertaking communication function in ground, need by
The antenna of communication device is set in will antenna house, and is secured the equipment in the upright bar of about 3.5 meters of a height, and configuration can fill
Electric backup power supply, by coupling charging with AC220V mains supplies.
Specifically, above system is by ground fixed point, train mobile device, ground-based server, monitoring center and movement
The compositions such as equipment.Ground fixed point is responsible for receiving distance measurement request, and locomotive mobile device is responsible for sending distance measurement request and shows ranging
Data and push monitoring result arrive server, and server is responsible for data processing and is distributed, and monitoring center is responsible for remote monitor device
State.
In order to which distance, track condition and track switch are opened to letter with reaching while monitoring train directions, speed, vehicle vehicle distance, vehicle
Breath optimizes the security monitoring based on rail and Train Dynamic of train active safety protection system, is interlocked in existing ground computer
On the basis of the data of monitoring system are intact, ground-based server can unidirectionally receive the rail monitoring number that microcomputer interlock system is sent
According to track circuit state and track switch open and-shut mode information is obtained ahead of time according to the data monitoring of microcomputer interlock system, passes through train
High precision position data calculation realizes high accuracy positioning and the protection of train active safety of subway all fronts train.
If system cannot obtain the rail information and track switch open and-shut mode information data of ground computer interlocking monitoring, can
Consider to increase switch closure monitoring device in switch location, it, can be with by the communication function of ground fixed point (key point) equipment
Track switch opening and closing information is real-time transmitted on train remote monitoring system or running train, to realize that train operation dynamic is supervised
Control and remote management.
Specifically, the range-measurement system that the positioning system of above-described embodiment is based on ultra wide band (UWB) wireless communication technique is adopted
Two-way flight time ranging and communication are carried out with unique wireless pulses radiofrequency signal mechanism, which directly samples by being based on
Whether there is blocking on ranging path between the ranging quality monitoring mechanism detection device of signal signature, equipment built-in transceiver can
For collision avoidance, real time location tracking and key facility protection etc., tracking, navigator fix, intelligence are run for subway train
Monitoring etc. provides real-time range and sensing data.System is directly integrated into positioning and sensor communication capacity together, passes through
Customed ranging protocol, supporting interface can be connected with other monitorings or control device.Range-measurement system has communication function, can
Targetedly two-way flight time ranging is carried out between devices, and is carried out at the same time mutual liaison, is ensured
The accuracy of distance measurement result, distance measurement result can be directly used for calculating the relative position between distance-measuring equipment.
This system by using unique wireless pulses radiofrequency signal mechanism carry out point-to-point two-way flight time ranging and
Communication, train can surveyed in range with rail track stationary nodes at a distance from by obtaining, and automatic judgement train is on railway line road
Realize ground by the accurate skill and Algorithm mapping of high-precision railroad track electronic map and train operation track in exact position
Iron train be accurately positioned and safety navigation.
This system is a set of subway train security protection based on " vehicle vehicle " communication and operation monitoring system, in track circuit
Crucial fixed point increase node device, accurate track circuit milepost built in stationary nodes, formed train shift position with
The standard for manual sampling of fixed position ranging ensures high-precision " point location " of any time train on railway line road.
It is understood that when the present embodiment carries out point-to-point two-way flight by using wireless pulses radiofrequency signal mechanism
Between ranging and communication, train can surveyed in range with rail track stationary nodes at a distance from by obtaining, and automatic judgement train is in track
Subway is realized by the mapping relations of high-precision railroad track electronic map and train operation track in exact position on circuit
Train is accurately positioned, to greatly improve the setting accuracy of train, and by showing that equipment shows that the position of train is believed
Breath prompts the distance of passenger train and the time that will be reached, and makes the trip of passenger's reasonable arrangement and riding time, to greatly
Improve the service level of subway.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (7)
1. a kind of traveler guiding system based on train exact position, which is characterized in that including：Train-installed equipment, ground are solid
Determine node device, ground monitoring center and display equipment, wherein the train-installed equipment and the ground stationary nodes equipment
Between for carrying out point-to-point ranging；
The train-installed equipment is arranged two, is separately positioned on the rear and front end of train, for monitoring vehicle before and after the train
And the real-time accurate distance of the train and ground stationary nodes equipment；
The train-installed equipment includes UWB device, and the UWB device is used for the ranging and communication of the train；
Several ground stationary nodes equipment are set, and ground stationary nodes equipment room is automatic for carrying out described in any two
Precision ranging with communicate；The ground stationary nodes equipment is connect with the UWB device through wireless communication, describedly
Face stationary nodes equipment for communicate with the UWB device, and obtain the ground stationary nodes equipment and the UWB device it
Between range data；
The ground stationary nodes equipment is also connect with described with the ground monitoring center, to carry out data transmission；
The ground monitoring center includes monitoring central server, and the monitoring central server according to the ground for fixing
The range data of node device output, generates the precise position data of the train, and to the precise position data into
Transmission；
The display equipment setting is in passenger traffic areas and region of waiting, several are arranged in the display equipment, the display
Equipment setting is connect with the monitoring central server, for show the train and the traffic areas and region of waiting away from
From with the train arrival time.
2. the traveler guiding system according to claim 1 based on train exact position, which is characterized in that the ground prison
Control center further includes mobile terminal and/or management terminal, and the mobile terminal and/or management terminal are used to carry out the train
Real-time dynamic monitoring and remote management.
3. the traveler guiding system according to claim 1 based on train exact position, which is characterized in that the ground is solid
Determine accurate track circuit kilometer post built in node device.
4. the traveler guiding system according to claim 1 based on train exact position, which is characterized in that the positioning system
System according to the subway line track for generating precise electronic map.
5. the traveler guiding system according to claim 4 based on train exact position, which is characterized in that it is each describedly
Face stationary nodes equipment corresponds to an accurate one-dimensional geographical coordinate on the precise electronic map.
6. the traveler guiding system according to claim 4 based on train exact position, which is characterized in that the train vehicle
It further includes on-vehicle host and monitoring display to carry equipment.
7. the traveler guiding system according to claim 6 based on train exact position, which is characterized in that the train vehicle
It carries equipment and is preset with mobile unit interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810427633.9A CN108545099A (en) | 2018-05-07 | 2018-05-07 | Traveler guiding system based on train exact position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810427633.9A CN108545099A (en) | 2018-05-07 | 2018-05-07 | Traveler guiding system based on train exact position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108545099A true CN108545099A (en) | 2018-09-18 |
Family
ID=63513598
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810427633.9A Pending CN108545099A (en) | 2018-05-07 | 2018-05-07 | Traveler guiding system based on train exact position |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108639107A (en) * | 2018-05-08 | 2018-10-12 | 成都九壹通智能科技股份有限公司 | Ground network monitoring system for train ranging |
| CN108791363A (en) * | 2018-05-09 | 2018-11-13 | 成都九壹通智能科技股份有限公司 | Train active safety protection system based on super-broadband tech |
| CN111220940A (en) * | 2018-11-23 | 2020-06-02 | 比亚迪股份有限公司 | Ultra-wideband-based train positioning system and method |
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| CN111220940A (en) * | 2018-11-23 | 2020-06-02 | 比亚迪股份有限公司 | Ultra-wideband-based train positioning system and method |
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Application publication date: 20180918 |