CN206038918U - Special location sensor system of train - Google Patents
Special location sensor system of train Download PDFInfo
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- CN206038918U CN206038918U CN201621041814.0U CN201621041814U CN206038918U CN 206038918 U CN206038918 U CN 206038918U CN 201621041814 U CN201621041814 U CN 201621041814U CN 206038918 U CN206038918 U CN 206038918U
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Abstract
The utility model provides a special location sensor system of train, including orientation module and power module, orientation module include main control unit and respectively with satellite positioning unit that main control unit links to each other, be used to lead auxiliary sensor unit and communication unit, wherein, the satellite positioning unit includes GPS positioner and big dipper satellite positioning device, it includes nine sensors and temperature and humidity sensor to be used to lead the auxiliary sensor unit. The utility model discloses GPS positioner and big dipper satellite positioner has been adopted simultaneously, when GPS positioner became invalid or need unable location owing to american information security, big dipper satellite positioner location can be adopted, when being listed as that GPS positioner and big dipper satellite positioner signal all weaken or when disappearing, can adopting and be used to lead auxiliary sensor unit location, consequently the utility model discloses monitoring environment complicated and changeable can be adapted to, the continuous location of train is realized.
Description
Technical field
This utility model is related to sensor field, the special alignment sensor system of more particularly to a kind of train.
Background technology
Railway is the basic industry of Chinese national economy, serves important function in socio-economic development.Meanwhile, railway
As the important logistics corridor of China, it is the iron and steel skeleton of China, bears the mission of China's logistics, in transportation
Play irreplaceable effect.In by the end of December, 2015, China high ferro runs mileage up to 1.9 ten thousand kilometers, the first in the world, entirely for cut-off
State's length of railroad lines in service more than 120,000 kilometers, the second in the world.
Railway operating kilometrage rapid growth is urgent to position demand for services, and safety in production is the life line of railway development, protects
Barrier transportation safety needs exact position service badly, and train autonomous positioning is the important step of train shipment control system, is ferrum
The important pushing hands of road signaling system development.When railway accident needs emergency disposal, it is accurately positioned and is conducive to speedily carrying out rescue work in time
Repairing.Additionally, accurate location technology can ensure transport capacity resource distribute and reduce cost of transportation rationally, realize goods whole process
Tracking, provides technical guarantee for implementing " door-to-door " logistics, so as to lift Consumer's Experience.
Countries in the world track transportation industry using train locating method have a lot, the operation of its choice relation to train is chased after
Track is spaced, and affects the efficiency of operation of the railway system.Simultaneously as needing to carry out in operation whole process to train positioning, put into whole
The location equipment of individual road network is related to the construction of railway and maintenance cost, and whether location equipment is reliable or which is anti-interference
How property is also related to the operation security of railway.
Common train locating method mainly includes that track circuit positioning, inquiry-transponder positioning, inductive line intersected are fixed
The methods such as position, position estimating positioning, satellite fix, spread-spectrum radio positioning.Above-mentioned train locating method respectively has deficiency, for example,
The methods such as track circuit positioning, inquiry-transponder positioning, inductive line intersected positioning cannot realize the consecutive tracking of train, position
Put supposition localization method and there is cumulative error, spread-spectrum radio localization method cannot meet large-range monitoring location requirement.
In this regard, the method for having developed satellite fix train in recent years, i.e. satellite fix is applied on train, as long as on train top
DVB is installed, you can realize high accuracy, the consecutive tracking of train, and do not need attachment rail equipment, saved big
The construction and maintenance work of amount.Satellite fix, as a kind of more ripe technology of application, is becoming for future positioning technology development
Gesture, mainly including modes such as GPS location, big-dipper satellite positioning.
However, satellite fix is easily disturbed by barrier, in obstacle more regions (as mountain area, forest and city are built
Build group) and tunnel in can produce positioning blind area, atrocious weather can also affect the precision of satellite fix；When satellite is less than four
Or the square on the receiver geometric distribution of satellite constellation it is uneven when, cannot normally position, be susceptible on parallel line
Admit one's mistake the phenomenon of station track；Additionally, GPS system is to obtain military superiority to develop by US military, substantially it is a kind of army
Thing system, only could use on the premise of so-called guarantee US security interests, and GPS controls rest in US military handss
In, the U.S. according to the needs of oneself, can arbitrarily change the civilian precision and availability of system completely, thus GPS often occurs in Jing
Position disabled situation.
Utility model content
For above-mentioned the deficiencies in the prior art, this utility model provides a kind of train special alignment sensor system, with suitable
Monitors environment complicated and changeable is answered, the consecutive tracking of train is realized, is further to improve rail transportation efficiency, reduce operation maintenance
Cost, guarantee railway safely provide technical guarantee.
To achieve these goals, the technical scheme adopted by this utility model is：
A kind of special alignment sensor system of train, including locating module and power module, the locating module includes master
Controller and the satellite positioning unit being connected with the master controller respectively, inertial navigation aiding sensors unit and communication unit,
Wherein, the satellite positioning unit includes GPS positioning device and big-dipper satellite positioner, the inertial navigation aiding sensors unit
Including nine axle sensors and Temperature Humidity Sensor.
Further, the power module includes train power supply and is connected to the train power supply and the locating module
Between ADC units.
Further, the power module also includes the high/low temperature battery assembly module being connected with the locating module.
Further, the high/low temperature battery assembly module includes：
High-temperature battery, low temperature battery and temperature-detecting device；
It is connected to the battery controller of the temperature-detecting device；
It is connected to the first relay of the positive terminal of the high-temperature battery and low temperature battery；
It is connected to the second relay of the negative pole end of the high-temperature battery and low temperature battery；
The first relay drive circuit being connected between first relay and the battery controller；And
It is connected to second relay and institute's battery states the second relay drive circuit between controller.
Preferably, the inertial navigation aiding sensors unit also includes baroceptor.
Preferably, the communication unit includes 2G/3G/4G and/or wan communication network.
Preferably, the satellite positioning unit and communication unit are connected with the master controller by UART interface respectively.
Preferably, the inertial navigation aiding sensors unit is connected with the master controller by I2C interfaces.
Further, the system also includes accommodating the insulation crust of the locating module.
Preferably, the master controller is single-chip microcomputer.
In sum, this utility model employs GPS positioning device and big-dipper satellite positioner simultaneously, works as GPS location
Failure of apparatus or due to, when U.S. information safety need cannot be positioned, being positioned using big-dipper satellite positioner；When
Train is in blind area, when GPS positioning device and big-dipper satellite positioner signal weaken or disappear, can be passed using inertial navigation auxiliary
Sensor cell is positioned.Therefore, this utility model can adapt to monitors environment complicated and changeable, realize the continuous fixed of train
Position, is further to improve rail transportation efficiency, reduction operation maintenance cost, guarantee railway to have safely provided technical guarantee.
Description of the drawings
Connection block diagrams of the Fig. 1 for the special alignment sensor system one embodiment of this utility model train；
Fig. 2 is the circuit diagram of high/low temperature battery assembly module in Fig. 1.
Specific embodiment
Below in conjunction with the accompanying drawings, preferred embodiment of the present utility model is given, and is described in detail, make to be better understood when
Function of the present utility model, feature.
Fig. 1 shows one embodiment of the special alignment sensor system of this utility model train, and which includes locating module 1
With power module 2.As shown in fig. 1, locating module 1 includes master controller 11, also including respectively by UART interface and main control
Communication unit 12 that device 11 is connected and satellite positioning unit 13, and the inertial navigation that is connected with master controller 11 by I2C interfaces it is auxiliary
Help sensor unit 14.Wherein, master controller 11 herein adopts single-chip microcomputer, such as STM32 single-chip microcomputers；Communication unit 12 is adopted
2G/3G/4G and/or wan communication network, support movement, UNICOM, telecom operators, can be according to operator's signal intensity, root
According to train running region, self adaptation conversion is using the strong operator of corresponding signal；Satellite positioning unit 13 adopts GPS positioning device
131 and big-dipper satellite positioner 132, when GPS positioning device 131 fails or as U.S. information safety need cannot be positioned
When, you can positioned using big-dipper satellite positioner 132；Inertial navigation aiding sensors unit 14 adopts nine axle sensors 141
With Temperature Humidity Sensor 142, when train is in blind area, GPS positioning device 131 and 132 signal of big-dipper satellite positioner subtract
During weak or disappearance, you can carry out auxiliary positioning using inertial navigation aiding sensors unit 14, this positioning mode is referred to as inertial navigation auxiliary
Positioning mode, has had use at present in some scenarios, but has not yet been used for train positioning field.It is auxiliary in order to realize train inertial navigation
Help positioning, it is necessary to the acceleration that gathers using nine axle sensor 141, angle, respective three axial projections data in magnetic field and warm and humid
The temperature and humidity data of the degree collection of sensor 142, in addition, if further types of parameter (such as atmospheric pressure value) can be provided,
Auxiliary positioning precision more preferably, therefore, inertial navigation aiding sensors unit of the present utility model 14 is may also include except nine axle sensors 141
With other sensors beyond Temperature Humidity Sensor 142, such as baroceptor.
In the embodiment in figure 1, power module 2 includes train power supply 21 and is connected to train power supply 21 and locating module
ADC units 22 between 1, also include the high/low temperature battery assembly module being connected with locating module 1.When train power supply 21 has electricity,
Locating module 1 is powered using train power supply 21, and ADC units 22 are supplied for the alternating current that train power supply 21 is exported is converted into direct current
To locating module 1；When train power supply 21 has a power failure, locating module 1 is powered using high/low temperature battery assembly module 23.
Fig. 2 shows the circuit structure of above-mentioned high/low temperature battery assembly module, and which includes high-temperature battery 231, low temperature battery
232nd, temperature-detecting device 233, battery controller 234, the first relay drive circuit 235, the second relay drive circuit
236th, the first relay K1 and the second relay K2.Wherein, high-temperature battery 231 can normal work at adopting 0 DEG C～+100 DEG C
Battery, low temperature battery 232 using at～40 DEG C～+40 DEG C can normal work battery；Battery controller 234 adopts monolithic
Machine, which is passed through bus and is connected with temperature-detecting device 233；The normally-closed contact 1A of the first relay K1, normally opened contact 1B respectively with
High-temperature battery 231 is connected with the positive terminal of low temperature battery 232；The normally-closed contact 2A of the second relay K2, normally opened contact 2B distinguish
It is connected with the negative pole end of high-temperature battery 231 and low temperature battery 232；First relay drive circuit 235 is connected to the first relay
Between K1 and battery controller 234；Second relay drive circuit 236 is connected to the second relay K2 and battery controller 234
Between.When temperature-detecting device 233 detects ambient temperature is 0 DEG C～+40 DEG C, battery controller 234 alternately exports height
Level, to control high-temperature battery 231 and low temperature battery 232 alternately as out-put supply, to ensure high-temperature battery 231 and low temp. electric
The capacity in pond 232, the high temperature that may be faced behind reply or low temperature environment.When temperature-detecting device 233 detects ambient temperature
For+40 DEG C～+100 DEG C when, battery controller 234 output low level, to select high-temperature battery 231 as out-put supply.Work as temperature
Degree detection means 233 detect ambient temperature for -40 DEG C～0 DEG C when, battery controller 234 output high level, to select low temperature
Battery 232 is used as out-put supply.It can be seen that, the ambient temperature that this utility model can be according to residing for train selects suitable battery to supply
Electricity, so that ensure that anywhere train can provide stable power supply for locating module 1.
Additionally, this utility model also includes the insulation crust (not shown) for accommodating locating module 1, its good insulating,
Resisting temperature impact is high, corrosion resistance is strong, anti-electrical Interference ability is strong so that locating module 1 can be used for thunder and lightning weather, the temperature difference and become
Change in big and corrosivity atmosphere, when electrical Interference and train pass through, the extreme environment such as sharp pounding is also applicable.
It should be noted that this utility model is substantially composition only to hardware components and annexation is carried out changes
Enter, without regard to the improvement for being carried out to software program (method) in itself, belong to the practicality of Patent Law Article 2 third item defined
Novel protected object.
Above-described, preferred embodiment only of the present utility model is not limited to scope of the present utility model, this
Above-described embodiment of utility model can also make a variety of changes.I.e. every claims according to this utility model application and
Simple, equivalence changes and modification that description is made, fall within the claims of this utility model patent.This
Utility model not detailed description is routine techniquess content.
Claims (10)
1. the special alignment sensor system of a kind of train, including locating module and power module, it is characterised in that the positioning mould
Block is included master controller and the satellite positioning unit being connected with the master controller respectively, inertial navigation aiding sensors unit and is led to
Letter unit, wherein, the satellite positioning unit includes GPS positioning device and big-dipper satellite positioner, and the inertial navigation auxiliary is passed
Sensor cell includes nine axle sensors and Temperature Humidity Sensor.
2. the special alignment sensor system of train according to claim 1, it is characterised in that the power module includes row
Car power supply and the ADC units being connected between the train power supply and the locating module.
3. the special alignment sensor system of train according to claim 2, it is characterised in that the power module also includes
The high/low temperature battery assembly module being connected with the locating module.
4. the special alignment sensor system of train according to claim 3, it is characterised in that the high/low temperature set of cells list
Unit includes：
High-temperature battery, low temperature battery and temperature-detecting device；
The battery controller being connected with the temperature-detecting device；
It is connected to the first relay of the positive terminal of the high-temperature battery and low temperature battery；
It is connected to the second relay of the negative pole end of the high-temperature battery and low temperature battery；
The first relay drive circuit being connected between first relay and the battery controller；And
It is connected to second relay and institute's battery states the second relay drive circuit between controller.
5. the special alignment sensor system of train according to any one of claim 1-4, it is characterised in that the inertial navigation
Aiding sensors unit also includes baroceptor.
6. the special alignment sensor system of train according to any one of claim 1-4, it is characterised in that the communication
Unit includes 2G/3G/4G and/or wan communication network.
7. the special alignment sensor system of train according to any one of claim 1-4, it is characterised in that the satellite
Positioning unit and communication unit are connected with the master controller by UART interface respectively.
8. the special alignment sensor system of train according to any one of claim 1-4, it is characterised in that the inertial navigation
Aiding sensors unit is connected with the master controller by I2C interfaces.
9. the special alignment sensor system of train according to any one of claim 1-4, it is characterised in that the system is also
Including the insulation crust for accommodating the locating module.
10. the special alignment sensor system of train according to any one of claim 1-4, it is characterised in that the master
Controller is single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621041814.0U CN206038918U (en) | 2016-09-07 | 2016-09-07 | Special location sensor system of train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621041814.0U CN206038918U (en) | 2016-09-07 | 2016-09-07 | Special location sensor system of train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206038918U true CN206038918U (en) | 2017-03-22 |
Family
ID=58298564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621041814.0U Active CN206038918U (en) | 2016-09-07 | 2016-09-07 | Special location sensor system of train |
Country Status (1)
| Country | Link |
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| CN (1) | CN206038918U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107976697A (en) * | 2017-11-30 | 2018-05-01 | 中国铁路总公司 | Train safe positioning method and system of the one kind based on the Big Dipper/GPS combinations |
| CN112991738A (en) * | 2021-03-19 | 2021-06-18 | 迈锐数据(无锡)有限公司 | Integrated traffic detection system based on radar, video and geomagnetism |
-
2016
- 2016-09-07 CN CN201621041814.0U patent/CN206038918U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107976697A (en) * | 2017-11-30 | 2018-05-01 | 中国铁路总公司 | Train safe positioning method and system of the one kind based on the Big Dipper/GPS combinations |
| CN107976697B (en) * | 2017-11-30 | 2021-05-28 | 中国铁路总公司 | Train safety positioning method and system based on Beidou/GPS combination |
| CN112991738A (en) * | 2021-03-19 | 2021-06-18 | 迈锐数据(无锡)有限公司 | Integrated traffic detection system based on radar, video and geomagnetism |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |