CN206657110U - A kind of precise positioning system applied to railway - Google Patents
A kind of precise positioning system applied to railway Download PDFInfo
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- CN206657110U CN206657110U CN201720406630.8U CN201720406630U CN206657110U CN 206657110 U CN206657110 U CN 206657110U CN 201720406630 U CN201720406630 U CN 201720406630U CN 206657110 U CN206657110 U CN 206657110U
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Abstract
The utility model discloses a kind of precise positioning system applied to railway, it is related to railway art.Including base station module, movement station module, transport module and processing module, base station module includes power conversion unit, the first GNSS positioning units, GNSS antenna and level conversion unit, base station module is connected to movement station module by transport module, movement station module includes power conversion unit, the 2nd GNSS positioning units, GNSS antenna and level conversion unit, and base station module is connected to processing module by transport module.After such scheme, the development cost of railway positioning system can be reduced, expands monitoring range, 360 degree, without dead angle, non-blind area monitoring positioning, improve the accuracy of positioning, ensured the safe and stable operation of rail transportation system.
Description
Technical field
Railway art is the utility model is related to, more particularly to a kind of precise positioning system applied to railway.
Background technology
With China's expanding economy, railway transportation is also more and more flourishing, is provided for our daily life trip
Very big facility, more and more however as railway transportation, not only cost is high for current railway positioning system, and monitoring range
Limited, blind area is more, and monitoring system easily is influenceed to cause to monitor position location inaccuracy by prevailing circumstances, easily causes system
Erroneous judgement, unnecessary trouble is caused to rail transportation system.
Utility model content
The technical problems to be solved in the utility model is to be directed to above-mentioned the deficiencies in the prior art, there is provided one kind is applied to railway
Precise positioning system, the development cost of railway positioning system can be reduced, expand monitoring range, 360 degree without dead angle, non-blind area prison
Position is determined, the accuracy of positioning is improved, has ensured the safe and stable operation of rail transportation system.
In order to solve the above technical problems, technical solution adopted in the utility model is：It is a kind of to be applied to the accurate of railway
Alignment system, including：Base station module, movement station module, transport module and processing module, base station module include Power convert
Unit, the first GNSS positioning units, GNSS antenna and level conversion unit, power conversion unit are connected to the first GNSS positioning
Unit, the first GNSS positioning units are connected to level conversion unit, and the first GNSS positioning units are connected to GNSS antenna, base station
Module is connected to movement station module by transport module, movement station module include power conversion unit, the 2nd GNSS positioning units,
GNSS antenna and level conversion unit, power conversion unit are connected to the 2nd GNSS positioning units, and the 2nd GNSS positioning units connect
Then level conversion unit, GNSS antenna are connected on the 2nd GNSS positioning units, and base station module is connected by transport module
To processing module, monitor terminal is connected in processing module.
As further technical scheme, the first GNSS positioning units include NEO-M8P-2 chips.
As further technical scheme, the 2nd GNSS positioning units include NEO-M8P-0 chips.
As further technical scheme, the transport module includes LoRaWAN networks, and LoRaWAN networks include one
LoRa gateway modules and some LoRa node modules.
As further technical scheme, the base station module is connected to LoRa gateway modules, the movement station module
It is connected to LoRa node modules, and movement station module has multiple, LoRa node modules are correspondingly arranged with each movement station module.
As further technical scheme, the processing module include data collection server, data control server and
Data processing server, data collection server are connected to data control server, and data control server is connected at data
Manage server.
As further technical scheme, the monitor terminal is PC intelligent terminals, and PC intelligent terminals have it is multiple.
As further technical scheme, the level conversion unit is MAX3232 level translators, and MAX3232 is electric
Flat turn parallel operation is connected by serial ports with processing module.
It is using beneficial effect caused by above-mentioned technical proposal：The utility model is applied to railway by providing one kind
Precise positioning system, the development cost of railway positioning system can be reduced, expand monitoring range, 360 degree without dead angle, non-blind area prison
Position is determined, the accuracy of positioning is improved, has ensured the safe and stable operation of rail transportation system.
Brief description of the drawings
Fig. 1 is the agent structure module map of the utility model one embodiment；
Fig. 2 is the base station module diagram of the utility model one embodiment；
Fig. 3 is the rover station module diagram of the utility model one embodiment；
Fig. 4 is the module map of another embodiment of the utility model.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, be a kind of one embodiment of precise positioning system applied to railway of the utility model, including：
Base station module, movement station module, transport module and processing module, base station module include power conversion unit, the first GNSS
Positioning unit, GNSS antenna and level conversion unit, power conversion unit are connected to the first GNSS positioning units, the first GNSS
Positioning unit is connected to level conversion unit, and the first GNSS positioning units are connected to GNSS antenna, and base station module passes through transmission
Module is connected to movement station module, and movement station module includes power conversion unit, the 2nd GNSS positioning units, GNSS antenna and electricity
Flat converting unit, power conversion unit are connected to the 2nd GNSS positioning units, and the 2nd GNSS positioning units are connected to level conversion
Unit, GNSS antenna are connected on the 2nd GNSS positioning units, and base station module is connected to processing module by transport module, place
Monitor terminal is connected in reason module.
To meet positioning accuracy request, carrier phase observation data real time kinematic survey system need to be used, can be carried in real time
For three-dimensional localization result of the survey station point in specified coordinate system, and reach a centimetre class precision, the system of this programme design includes base
Quasi- station module, movement station module, transport module and processing module, base station module uses high accuracy positioning receiver, and makes
With with multipaths restraint effect and the centrical GNSS antenna of stable phase, base station module is arranged on known point, in order to search
For rope to greater number satellite and high quality satellite, it is open that base station is typically selected in circle-of-sight visibility, avoids within 15 degree of elevation angle
There is a building, the higher position of physical features, original observed quantity information that the DVB in base station module receives, star
Information and known dot position information are gone through, processing module Treatment Analysis is transferred in time, disclosure satisfy that positioning result and difference information
Accuracy.
GNSS antenna is GPS/GLONASS compatible antennas, makees transmitting antenna use for same frequency repeater system, can be used for
GPS navigation, alignment system make reception antenna use.Antenna is micro-strip form.Directional diagram realizes hemispherical radiation substantially.Antenna
It is made up of the part such as antenna house, associated microstrip radiating element, bottom plate and high frequency output socket, simple in construction, small volume, coordinates tripod to make
With conveniently.
Movement station module uses common location receiver, as long as movement station module can correctly report pseudo-range information, carry
Wave phase information and positional information, the positioning knot that the movement station module positioning precision of itself will not calculate to processing module
Fruit has an impact, and it is the satellite-signal for receiving base station module same satellite that it, which is acted on, and original observed quantity is reported to processing module
Information；In order to save power consumption, the receiver of movement station module usually in a dormant state, activates once at regular intervals, swashs
Live time is independently set according to demand, such as the present embodiment activated once every 15 minutes, positioned successfully in backward control module
Pseudorange, carrier phase information and positional information are reported, after reporting successfully, subscriber computer closes satellite reception passage, into resting state,
Movement station module monitors positioning pseudorange, carrier phase information and position are installed in locomotive, personnel and skate these mobile devices
Information.
First GNSS positioning units include NEO-M8P-2 chips, for realizing that base station is accurately positioned the work(of satellite position
Energy.
2nd GNSS positioning units include NEO-M8P-0 chips, and NEO-M8P-0 chips are used for the work(for realizing rover station module
Can, use RTCM（The maritime affairs service of the radiotechnics committee）Agreement, the base from u-blox is received by data link
Stand receiver NEO-M8P-2 Correction of Errors numbers, centimeter-level positioning precision can be achieved, can be significantly by using NEO-M8P modules
Research and development is reduced, the module is directly integrated and enters in system, or be integrated on existing product platform.
As shown in Fig. 2 be the base station module diagram of the utility model one embodiment, including power conversion unit,
First GNSS positioning units, GNSS antenna and level conversion unit, power conversion unit are connected to the first GNSS positioning units,
First GNSS positioning units are connected to level conversion unit, and the first GNSS positioning units are connected to GNSS antenna, and base station receives
Outside 5v direct current supplys are converted to 3.3v by machine by power conversion unit, to the first GNSS positioning units, i.e. high accuracy positioning
Module NEO-M8P-2 chips provide power supply, and the satellite of GPS, the Big Dipper can be received after the external GNSS antenna of NEO-M8P-2 chips
Signal, the original observed quantity information received, pseudorange, carrier phase information and the position that calculates are believed by serial ports RX232
Breath is sent to processing module, is used so that high-precision difference positions.
As shown in figure 3, being the movement station module diagram of the utility model one embodiment, movement station module includes power supply
Converting unit, the 2nd GNSS positioning units, GNSS antenna and level conversion unit, power conversion unit, which is connected to the 2nd GNSS, to be determined
Bit location, the 2nd GNSS positioning units are connected to level conversion unit, and GNSS antenna is connected on the 2nd GNSS positioning units, move
Outside 5v direct current supplys are converted to 3.3v by dynamic station module receiver by power conversion chip, to high accuracy positioning module NEO-
M8P-0 and wireless transport module SX-1278 provides power supply, and NEO-M8P-0 only uses as movement station, and NEO-M8P-0 is external
The satellite-signal of GPS, the Big Dipper can be received after GNSS antenna, by serial ports RX232 by the original observed quantity information received,
Pseudorange, carrier phase information and the positional information that calculates are sent to wireless transport module SX-1278, SX-1278 external antenna
Afterwards, the data transmission system these information being sent to by the wireless network of establishment in base station module, data transmission system
By serial ports RS232 by these information transmissions to processing module, used so that high-precision difference positions.
Processing module includes data collection server, data control server and data processing server, from PC platforms,
Data collection server is connected to data control server, and data control server is connected to data processing server, and data connect
Server is received to be used to receive the positioning pseudorange for the satellite fix that movement station module and base station module send over, carrier phase letter
Breath and positional information, the data that data control server and data processing server are used to receive data collection server are entered
Row control process, the ephemeris reported by serial ports and wireless data link reception base station module and each rover station module
Information, positional information and original observed quantity information, the exact position of each rover station module is calculated by difference algorithm, accurately
The exact position of each positioning object is calculated, monitor terminal is transferred to, facilitates the staff of each Control Room to check.
As shown in figure 4, transport module includes LoRaWAN networks, if LoRaWAN networks include a LoRa gateway module and
Dry LoRa node modules, and movement station module has multiple, LoRa node modules are correspondingly arranged with each movement station module, realize star
Type networking, the farthest transmission range of node are much larger than 1Km, and transmission power and transmission rate are adjustable, disclosure satisfy that system power dissipation will
Ask, each LoRa node modules are connected to a rover station module, the positioning letter for the object of transport flow station module collection
Breath, the information of each rover station module collection is through LoRa node modules uniform transmission to LoRa gateway modules, through LoRa gateway moulds
Block is transferred to base station module after collecting.
Specifically, a LoRaWAN gateway is arranged in the present embodiment in base station module, while in rover station（Locomotive,
Personnel and skate）On be respectively arranged LoRaWAN network nodes, now just form LoRaWAN networks.The number of each movement station module
Sent according to by node module to the gateway module of base station module, after base station module obtains the data of rover station module, then
Sent by serial ports to processing module.
Monitor terminal is PC intelligent terminals, and monitor terminal have it is multiple, respectively in different Control Rooms, convenient monitoring
Personnel are in different Control Rooms with regard to that can monitor the positioning of each object in the railway system, it is ensured that the safe and stable operation of system.
Level conversion unit is MAX3232 level translators, and MAX3232 level translators pass through serial ports and processing module
Connection.
The high-precision receiver of base station module is used for receiving satellite-signal selection bimodulus dual-frequency receiver, can receive GPS
L1/L2 and BDS B1/B3.
The placement of reference receiver need to meet following condition：Base station should have correct known coordinate；Benchmark
Stand should be selected in physical features is higher, sky is openr, around without barrier of the elevation angle more than 15 °, be advantageous to receive satellite-signal
The position penetrated with data link transmitting-receiving；Noiseless source interference；The positioning precision index of the location receiver is：Commonly：1.5m
RTK：3cm.
After such scheme, the development cost of railway positioning system can be reduced, expand monitoring range, 360 degree without dead angle,
Non-blind area monitoring positioning, improves the accuracy of positioning, has ensured the safe and stable operation of rail transportation system.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (8)
- A kind of 1. precise positioning system applied to railway, it is characterised in that including：Base station module, movement station module, transmission Module and processing module, base station module turn including power conversion unit, the first GNSS positioning units, GNSS antenna and level Unit is changed, power conversion unit is connected to the first GNSS positioning units, and the first GNSS positioning units are connected to level conversion unit, First GNSS positioning units are connected to GNSS antenna, and base station module is connected to movement station module, movement station by transport module Module includes power conversion unit, the 2nd GNSS positioning units, GNSS antenna and level conversion unit, power conversion unit connection The 2nd GNSS positioning units, the 2nd GNSS positioning units are connected to level conversion unit, and GNSS antenna is connected to the 2nd GNSS On positioning unit, base station module is connected to processing module by transport module, and monitor terminal is connected in processing module.
- A kind of 2. precise positioning system applied to railway according to claim 1, it is characterised in that the first GNSS Positioning unit includes NEO-M8P-2 chips.
- A kind of 3. precise positioning system applied to railway according to claim 1, it is characterised in that the 2nd GNSS Positioning unit includes NEO-M8P-0 chips.
- A kind of 4. precise positioning system applied to railway according to claim 1, it is characterised in that the transport module Including LoRaWAN networks, LoRaWAN networks include a LoRa gateway module and some LoRa node modules.
- A kind of 5. precise positioning system applied to railway according to claim 4, it is characterised in that the base station mould Block is connected to LoRa gateway modules, and the movement station module is connected to LoRa node modules, and movement station module has multiple, LoRa Node module is correspondingly arranged with each movement station module.
- A kind of 6. precise positioning system applied to railway according to claim 1, it is characterised in that the processing module Data control is connected to including data collection server, data control server and data processing server, data collection server Control server, data control server are connected to data processing server.
- A kind of 7. precise positioning system applied to railway according to claim 1, it is characterised in that the monitor terminal For PC intelligent terminals, and PC intelligent terminals have it is multiple.
- A kind of 8. precise positioning system applied to railway according to claim 1, it is characterised in that the level conversion Unit is MAX3232 level translators, and MAX3232 level translators are connected by serial ports with processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720406630.8U CN206657110U (en) | 2017-04-18 | 2017-04-18 | A kind of precise positioning system applied to railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720406630.8U CN206657110U (en) | 2017-04-18 | 2017-04-18 | A kind of precise positioning system applied to railway |
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| Publication Number | Publication Date |
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| CN206657110U true CN206657110U (en) | 2017-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720406630.8U Active CN206657110U (en) | 2017-04-18 | 2017-04-18 | A kind of precise positioning system applied to railway |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908824A (en) * | 2017-04-18 | 2017-06-30 | 冯本勇 | A kind of precise positioning system for being applied to railway |
| CN109842650A (en) * | 2017-11-27 | 2019-06-04 | 北京通号国铁城市轨道技术有限公司 | One kind interconnects train control system |
| CN113353124A (en) * | 2021-07-20 | 2021-09-07 | 南京富岛信息工程有限公司 | Intelligent iron shoe track identification system and method |
-
2017
- 2017-04-18 CN CN201720406630.8U patent/CN206657110U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908824A (en) * | 2017-04-18 | 2017-06-30 | 冯本勇 | A kind of precise positioning system for being applied to railway |
| CN106908824B (en) * | 2017-04-18 | 2023-07-14 | 冯本勇 | Be applied to railway accurate positioning system |
| CN109842650A (en) * | 2017-11-27 | 2019-06-04 | 北京通号国铁城市轨道技术有限公司 | One kind interconnects train control system |
| CN113353124A (en) * | 2021-07-20 | 2021-09-07 | 南京富岛信息工程有限公司 | Intelligent iron shoe track identification system and method |
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