CN205524317U - Subway train accurate positioning and safe navigation based on range finding mode - Google Patents
Subway train accurate positioning and safe navigation based on range finding mode Download PDFInfo
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- CN205524317U CN205524317U CN201620099924.6U CN201620099924U CN205524317U CN 205524317 U CN205524317 U CN 205524317U CN 201620099924 U CN201620099924 U CN 201620099924U CN 205524317 U CN205524317 U CN 205524317U
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Abstract
The utility model discloses a subway train accurate positioning and safe navigation based on range finding mode, include first on -vehicle removal range finding terminal, the on -vehicle removal of second range finding terminal, first station range finding basic station, the range finding of second station basic station, first ground network server system and second ground network server system, first on -vehicle removal range finding terminal, the on -vehicle removal of second range finding terminal set up driver's cabin department around subway train respectively, the fixed point position that has exact position circuit coordinate above the track of two -way both sides is installed respectively to first station range finding basic station, second station range finding basic station. The utility model discloses subway train can effectively ensure train operation safety, improve operating efficiency for moving positional information and the sensor detection data that tracking, navigational positioning, intelligent scheduling provided real -time accuracy to for managing, subway train safety operation provides one set of brand -new technological means.
Description
Technical field
This utility model relates to position fixing and navigation system technical field, particularly relates to a kind of based on survey
Subway train away from pattern is accurately positioned and safety navigation system.
Background technology
Along with socioeconomic flourish, urban population and vehicle increase sharply, and cause traffic
Situation runs down, traditional train positioning system experienced by from rely on geographical equipment to vehicle-mounted from
Main location, from judging the occupied information developmental stage to acquisition accurate coordinate position, successively has many
Kind of technology is used in train position fixing process, tests the speed including track circuit, wheel shaft, transponder etc..
Increasingly mature along with China's big-dipper satellite technology, relatively GPS in positioning precision and reliability
There is great lifting, it is possible to the concrete track of difference train operation, solved due to GPS
It is supplied to China's precision too low and cause situation about cannot use on a large scale in field of track traffic.
But in actual applications, due to nature or the obstruction of artificial structure, reflected signal dry
Disturb, decay that the interference of signal self, signal jam, antenna cause and satellite-signal process
The decay that signal is caused by equipment, when signal is completely obscured or signal power decays to satellite
After below receiver sensitivity, satellite-signal can not normally be entered by DVB passage
Line trace, there will be the phenomenon of lock losing state of satellite tracking, i.e. satellite in this case can not complete
Location.Urban track traffic metro environment, owing to most of sections are at underground section,
Satellite system cannot play the environment of locating effect just.Along with the fast development of China railways,
On the premise of railway transportation speed constantly promotes, the most preferably ensure organization of driving's safety, be
Guarantee China Railway is quick, the key factor of stable development, therefore, to subway train essence
Determine that position is most important with safety navigation.
Utility model content
The purpose of this utility model is to solve shortcoming present in prior art, and proposes
A kind of subway train based on distance measurement mode is accurately positioned and safety navigation system.
To achieve these goals, this utility model adopts the technical scheme that
A kind of subway train based on distance measurement mode is accurately positioned and safety navigation system, including
One vehicle-mounted mobile distance ranging terminal, the second vehicle-mounted mobile distance ranging terminal, the first range finding base station, station,
Second range finding base station, station, the first ground network server system and the second ground network server
System, described first vehicle-mounted mobile distance ranging terminal, the second vehicle-mounted mobile distance ranging terminal are respectively provided with
Before and after subway train at driver's cabin, described first range finding base station, station, the second station range finding
Base station is respectively arranged in the fixing point position having exact position circuit coordinate above the track of two-way both sides
Put, described first vehicle-mounted mobile distance ranging terminal and the communication connection of the first range finding base station, station, described
First range finding base station, station and the first ground network server system communication connection, described second car
Carry mobile distance ranging terminal and the communication connection of the second range finding base station, station, described second station range finding base
Stand and the second ground network server system communication connection.
Preferably, described first vehicle-mounted mobile distance ranging terminal, the second vehicle-mounted mobile distance ranging terminal are equal
Including processor, ID depositor, parameter, input button and wireless signal transceiver, institute are set
The input stating processor arranges input button, ID depositor, wireless signal respectively with parameter
The outfan of transceiver connects, the outfan of described processor respectively with ID depositor, wireless
The input of signal transceiver connects.
Preferably, described ID depositor is nonvolatile memory.
Preferably, the signal that described wireless signal transceiver is launched is the narrow arteries and veins of nanosecond non-sinusoidal waveform
Punching.
Every subway line has its fixing track, and native system can be to subway line, yard
Etc. carrying out precise electronic mapping and display, key point is carried out accurate geographical marking.
By installing mobile distance ranging terminal at train head, the tailstock, pacified by fixing point AT STATION
Dress fixing range finding base station completes whole train attribute and the mark of station attribute, by point-to-point survey
Away from realizing the real-time resolving of the exact position that train is in operation, by track precise electronic map
Real time dynamic display and data map, and complete the location of train.
By train location and train head, tailstock position, before and after calculating in real time, two cars is accurate
Distance, can prevent train collision to exceeding the travel condition of vehicle real-time early warning of predetermined distance
Generation with rear-end collision.
The precise position data of all trains of native system fully enters server system, can optimize
The traffic control of train, designs service system based on train exact position, can be greatly promoted
Train operation efficiency.
The hardware device of native system all uses double unit redundancy mentality of designing, i.e. system data to send out
Give birth to, detect, communicate, process and result output, and the design such as system power supply all uses double
Cell location, takes the reliability demonstration design of, it is ensured that system is at a certain unit according to two
In the case of fault, do not affect systemic-function.
In this utility model, by using wireless carrier pulsed RF signals mechanism to carry out point-to-point
The two-way flight time finds range and communicates, it is thus achieved that in the range of can surveying between train and station fixed base stations
Distance (also can measure the distance between before and after two train), automatically judge that subway train is fixing
Exact position on track, by accurate railroad track electronic chart figure and train operation rail
The mapping relations in road, it is achieved train is accurately positioned and safety navigation, can be subway train run with
Track, navigator fix, intelligent scheduling provide the most accurate positional information and sensor detection data,
Can effective guarantee train operating safety, improve efficiency of operation, and for Subway Train Operation in Existed Subway manage carry
For a set of brand-new management means.
Accompanying drawing explanation
Fig. 1 is that a kind of based on distance measurement mode the subway train that the utility model proposes is accurately fixed
Position and the system schematic of safety navigation system；
Fig. 2 is the system schematic of the vehicle-mounted mobile distance ranging terminal that the utility model proposes；
Fig. 3 is this utility model system architecture and positioning principle schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, in this utility model embodiment
Technical scheme be clearly and completely described, it is clear that described embodiment be only this
The a part of embodiment of utility model rather than whole embodiments.
With reference to Fig. 1-2, a kind of subway train based on distance measurement mode is accurately positioned and safety navigation
System, including the first vehicle-mounted mobile distance ranging terminal, the second vehicle-mounted mobile distance ranging terminal, the first car
Stand range finding base station, the second range finding base station, station, the first ground network server system and the second ground
Torus network server system, described first vehicle-mounted mobile distance ranging terminal, the second vehicle-mounted mobile range finding
Terminal is separately positioned on before and after train at driver's cabin, described first range finding base station, station, second
Range finding base station, station is respectively arranged in above the track of two-way both sides exact position circuit coordinate
Fixing point position, described first vehicle-mounted mobile distance ranging terminal and the first range finding base station, station communication link
Connect, described first range finding base station, station and the first ground network server system communication connection, institute
State the second vehicle-mounted mobile distance ranging terminal and the communication connection of the second range finding base station, station, described second car
Stand range finding base station with second ground network server system communication connection.
First vehicle-mounted mobile distance ranging terminal, the second vehicle-mounted mobile distance ranging terminal all include processor,
ID depositor, parameter arrange input button and wireless signal transceiver, the input of processor
The outfan company of input button, ID depositor, wireless signal transceiver is set with parameter respectively
Connecing, the outfan of processor is respectively with the input of ID depositor, wireless signal transceiver even
Connecing, ID depositor is nonvolatile memory, and the signal that wireless signal transceiver is launched is for receiving
Second level non-sinusoidal waveform burst pulse.
By using wireless carrier pulsed RF signals mechanism to carry out the point-to-point two-way flight time
Find range and communicate, it is thus achieved that the distance between train and station fixed base stations (also may be used in the range of can surveying
Distance between two trains before and after measurement), automatically judge accurate on trapped orbit of subway train
Position, is closed by the mapping of accurate railroad track electronic chart figure with train operation track
System, it is achieved train is accurately positioned and safety navigation, can be that subway train runs tracking, navigation is determined
Position, intelligent scheduling provide the most accurate positional information and sensor detection data, can effectively protect
Barrier train operating safety, raising efficiency of operation, and a set of entirely for Subway Train Operation in Existed Subway management offer
New management means.
System architecture of the present utility model and positioning principle are as it is shown on figure 3, in figure:
A, B, C, D represent different trains respectively；
A1, A2 are respectively the headstock tailstock two ends (B, C, D analogize) of A train；
G is station website (G1, G2, G3 are respectively multiple different station)；
In the range of being positioned at efficient communication, (native system effective communication distance is more than 2000m) is any
2 can precision ranging, such as A1 G1, A2 B1 etc.；
In the same direction before and after running train spacing also can real-time precision measurment, such as A2 B1, B2
C1 etc.；
Train and station fixing point real time distance, such as B1 G1, B2 G2, C2 G3 etc.；
All-pair point ranging data is taken to ground network by network between station or the transmission of station, station
Business system, it is possible to by the self-organized network communication function of native system wireless distance finding and communication module by point
A ranging data is transmitted to ground network service system.
The above, only this utility model preferably detailed description of the invention, but this utility model
Protection domain be not limited thereto, any those familiar with the art is in this practicality
In the technical scope of novel exposure, according to the technical solution of the utility model and utility model structure thereof
Think equivalent or change in addition, all should contain within protection domain of the present utility model.
Claims (4)
1. subway train based on distance measurement mode is accurately positioned and a safety navigation system, its
Be characterised by, including the first vehicle-mounted mobile distance ranging terminal, the second vehicle-mounted mobile distance ranging terminal,
One range finding base station, station, the second range finding base station, station, the first ground network server system and
Two ground network server systems, described first vehicle-mounted mobile distance ranging terminal, the second vehicle-mounted mobile
Distance ranging terminal is separately positioned on before and after subway train at driver's cabin, described first station range finding base
Stand, the second range finding base station, station is respectively arranged in above the track of two-way both sides exact position circuit
The fixing point position of coordinate, described first vehicle-mounted mobile distance ranging terminal and the first range finding base station, station
Communication connection, described first range finding base station, station and the first ground network server system communication link
Connect, described second vehicle-mounted mobile distance ranging terminal and the communication connection of the second range finding base station, station, described
Second range finding base station, station and the second ground network server system communication connection.
A kind of subway train based on distance measurement mode the most according to claim 1 is accurately fixed
Position and safety navigation system, it is characterised in that described first vehicle-mounted mobile distance ranging terminal, second
Vehicle-mounted mobile distance ranging terminal all include processor, ID depositor, parameter arrange input button and
Wireless signal transceiver, the input of described processor arranges input button, ID respectively with parameter
Depositor, wireless signal transceiver outfan connect, the outfan of described processor respectively with
ID depositor, the input of wireless signal transceiver connect.
A kind of subway train based on distance measurement mode the most according to claim 2 is accurately fixed
Position and safety navigation system, it is characterised in that described ID depositor is nonvolatile memory.
A kind of subway train based on distance measurement mode the most according to claim 2 is accurately fixed
Position and safety navigation system, it is characterised in that the signal that described wireless signal transceiver is launched is
Nanosecond non-sinusoidal waveform burst pulse.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620099924.6U CN205524317U (en) | 2016-02-01 | 2016-02-01 | Subway train accurate positioning and safe navigation based on range finding mode |
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| CN201620099924.6U CN205524317U (en) | 2016-02-01 | 2016-02-01 | Subway train accurate positioning and safe navigation based on range finding mode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738863A (en) * | 2016-02-01 | 2016-07-06 | 成都可益轨道技术有限公司 | Subway train accurate positioning and safe navigation system based on distance measurement mode |
| 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 |
-
2016
- 2016-02-01 CN CN201620099924.6U patent/CN205524317U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738863A (en) * | 2016-02-01 | 2016-07-06 | 成都可益轨道技术有限公司 | Subway train accurate positioning and safe navigation system based on distance measurement mode |
| CN105738863B (en) * | 2016-02-01 | 2018-09-18 | 成都九壹通智能科技股份有限公司 | A kind of subway train based on distance measurement mode is accurately positioned and safety navigation system |
| 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 |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170713 Address after: 5 Building 4, No. 200, five street, Tianfu 610000 street, hi tech Zone, Sichuan, Chengdu Patentee after: Chengdu Jiuyi intelligent Polytron Technologies Inc Address before: 610052 Chengdu high tech Zone, Xiaojiahe Province, No. two ring road, south of the No. four, No., No. 16 Patentee before: Chengdu Keyi Track Technology Co.,Ltd. |