CN111806517A - Railway end line early warning collision avoidance system - Google Patents
Railway end line early warning collision avoidance system Download PDFInfo
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- CN111806517A CN111806517A CN202010423550.XA CN202010423550A CN111806517A CN 111806517 A CN111806517 A CN 111806517A CN 202010423550 A CN202010423550 A CN 202010423550A CN 111806517 A CN111806517 A CN 111806517A
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- 230000003137 locomotive effect Effects 0.000 claims abstract description 49
- 238000004891 communication Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000001960 triggered effect Effects 0.000 claims description 5
- 238000013507 mapping Methods 0.000 claims description 2
- 238000012795 verification Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a railway end line early warning anti-collision system, which comprises rail side equipment, a central server, a microcomputer interlocking machine, a local area network, a wireless network, vehicle-mounted equipment and an interface module, wherein the rail side equipment is connected with the central server through a network; relates to a locomotive positioning technology and a wireless communication technology. The technical scheme of the invention is as follows: the wireless communication is realized by adopting a self-built or public wireless network; a magnetic steel or a proximity switch is arranged on the end line and is communicated with the server through a wireless communication module; the locomotive head position is calculated by combining the interlocking data and the satellite positioning data, so that the uniqueness of the control operation locomotive is ensured; the vehicle-mounted host, the positioning module and the wireless communication unit are installed in the locomotive cab, high-precision positioning data are uploaded to the central server, and the vehicle-mounted host issues speed reduction and stop instructions to the vehicle-mounted control system, so that the problem of safety and collision prevention of railway end-line shunting operation is solved, and the safety of the railway end-line shunting operation is greatly improved.
Description
Technical Field
The invention relates to the field of railway shunting operation safety control, in particular to a railway driving end line anti-collision system, and particularly relates to a technology for installing magnetic steel or a proximity switch in an end line and a similar protection area to inform a locomotive to decelerate or stop in time, and specifically relates to a railway end line early warning anti-collision system.
Background
In the railway field, when shunting to the end line, the top conveying operation is performed, the condition of the advancing direction of a train is observed and transferred by a shunting operator, and the driver cannot directly observe the train, so that the accident of collision is frequently caused, and the economic loss is caused. In order to solve the safety problem of the running, the invention collects the approaching signals of the vehicles by arranging the magnetic steel or the approach switch on the end line, then sends the approaching signals to the server through wireless communication, the approaching signals are distributed to the corresponding locomotives by the server, and the speed reduction or the stop of the locomotives is controlled by the vehicle-mounted end through the vehicle-mounted control system, thereby achieving the purpose of automatic safe collision prevention.
Disclosure of Invention
The invention is designed for solving the safety problem of railway end line shunting operation. In order to solve the problem, the invention provides an information system, and the technical scheme is as follows:
a plurality of groups of protection alarm devices (magnetic steel or proximity switches) are arranged at the end or other lines needing protection, and the acquired alarm information is uploaded to a central server by utilizing a self-built wireless network or a public mobile network; installing a vehicle-mounted host and a positioning module in a locomotive cab, and acquiring and uploading real-time positioning data of a locomotive; the central server and the station interlocking system interface acquire the in-station route information and the opening direction information of the turnout, ensure the uniqueness of the control operation locomotive, combine locomotive positioning data to calculate the operation locomotive triggering the alarm information, then distribute the alarm information to the vehicle-mounted host computer of the corresponding locomotive through a wireless network, and finally send a deceleration or stop command to the vehicle-mounted vehicle control system through the vehicle-mounted host computer, thereby solving the safety anti-collision problem of the shunting operation of the railway end line and greatly improving the safety of the shunting operation of the railway.
A railway end line early warning collision avoidance system comprises a rail side device, a central server, a microcomputer interlocking machine, a local area network, a wireless network, a vehicle-mounted device and an interface module;
the rail side equipment is arranged at the rail side at the tail end of the rail end line, comprises protective alarm equipment (magnetic steel or a proximity switch) and a wireless communication unit and is used for sending a deceleration alarm or parking instruction to a station vehicle-mounted vehicle control system;
the central server is used for receiving the trigger signal, comparing the trigger signal with the interlocking information, acquiring the section occupied by the target locomotive under the unique path, and sending alarm or parking data to the vehicle-mounted host of the target locomotive;
the microcomputer interlocking machine is used for acquiring interlocking information from the railway microcomputer interlocking;
the local area network is used for information transmission of the central server, the microcomputer interlocking machine and the wireless network;
the wireless network is a self-built wireless network (or a public mobile network) and is used for information transmission of vehicle-mounted equipment, rail side equipment, a central server and a microcomputer interlocking machine;
the vehicle-mounted equipment is arranged on the locomotive and comprises a satellite (RTK) positioning module, a wireless communication unit and a vehicle-mounted host, wherein the vehicle-mounted equipment is used for positioning real-time data of the locomotive, receiving alarm or parking data and sending deceleration and parking instructions;
and the interface module is used for information transmission of the central server and the microcomputer interlocking machine.
The advantages and the characteristics of the invention are as follows:
firstly, a plurality of groups of protection alarm triggering devices are arranged on the end line to ensure reliability;
secondly, a vehicle-mounted positioning module is provided for accurately positioning the position of the locomotive;
and thirdly, the intelligent control system is connected with a station computer interlocking device interface to acquire access information and turnout opening directions, and the operating locomotive object can be determined by combining positioning data.
Drawings
FIG. 1 is a schematic diagram of the present invention;
fig. 2 shows the system architecture of the present invention.
Detailed Description
To explain the technical content, principles and system structure of the present invention in detail, the following detailed description is given with reference to the embodiments and the accompanying drawings.
Fig. 1 shows the working principle of the present invention: D1G, D2G, D3G, 1-3DG and 5-7DG are all sections in a railway track circuit, and D2G is a locomotive access section opened in microcomputer interlocking; 1 and 2 are locomotive vehicle-mounted positioning equipment, namely the current position corresponding to a locomotive, 3 is a rail path currently occupied by a locomotive train, 4 and 5 are dead-end line protection alarm equipment (magnetic steel or a proximity switch), 4 and 5 are arranged at the tail end of the dead-end line and are separated from the front end of a vehicle pushed by the locomotive by more than 36 meters (specifically determined by the line condition and the highest speed limit of an operating locomotive), the equipment 4 sends a deceleration alarm to a system through a wireless network when triggered, and the equipment 5 sends a parking instruction to the system through the wireless network when triggered; when the system operates, when a plurality of vehicles are conveyed by the top of a locomotive 1 to move forward along the direction of a route broken line D2G, and a front vehicle enters a dead end line 6, the dead end line protection alarm devices 4 and 5 are triggered, at the moment, data sent by the protection alarm devices 4 and 5 send trigger signals to a central server through a wireless communication terminal in a rail side box, the central server compares the dead end lines corresponding to the protection alarm devices 4 and 5 with interlocking information, and a section occupied by a first locomotive is searched forward along a unique path leading to the dead end line according to the obtained turnout opening information, wherein the locomotive is just the locomotive 1. The locomotive 1 occupied zone is obtained by combining longitude and latitude data sent by a vehicle-mounted satellite (RTK) positioning module with track zone GIS surveying and mapping data, and confirms the target locomotive 1 after being verified with interlocking route information; the server sends alarm or parking data to the vehicle-mounted host of the target locomotive 1, the vehicle-mounted host issues deceleration and parking instructions to the vehicle-mounted vehicle control system, and the system finishes primary end line anti-collision control when the vehicle-mounted vehicle control system returns an execution success information.
FIG. 2 is the system structure of the system, 1 is rail side equipment, 2 is a center server, 3 is a microcomputer interlocking machine, 2 and 3 communicate through a serial port of an interface module to obtain interlocking indicating code bit information (the code bit information comprises multiple interlocking information such as access, turnout opening direction and the like) in real time; the central server is connected with a wireless network 5 through a local area network 4 and a firewall and is communicated with the trackside equipment and the vehicle-mounted host through the wireless network 5. The vehicle-mounted equipment of the system comprises a satellite (RTK) positioning module 6, a wireless communication unit 7 and a vehicle-mounted host 8, wherein the vehicle-mounted host is connected with a station vehicle-mounted vehicle control system through a serial port; the rail-side equipment of the system comprises a protective alarm device (magnetic steel or a proximity switch) and a wireless communication unit.
Claims (6)
1. The utility model provides a railway end line early warning collision avoidance system which characterized in that: a plurality of groups of protection alarm devices (magnetic steel or proximity switches) are arranged at the end or other lines needing protection, and the acquired alarm information is uploaded to a central server by utilizing a self-built wireless network or a public mobile network; installing a vehicle-mounted host and a positioning module in a locomotive cab, and acquiring and uploading real-time positioning data of a locomotive; the central server is connected with a station interlocking system interface to acquire in-station route information and turnout opening direction information, so that the uniqueness of the control operation locomotive is ensured, the operation locomotive triggering the alarm information is calculated by combining locomotive positioning data, the alarm information is further distributed to a vehicle-mounted host of a corresponding locomotive through a wireless network, and finally a deceleration or stop command is sent to a vehicle-mounted vehicle control system through the vehicle-mounted host, so that the safety anti-collision problem of the shunting operation of a railway end line is solved;
the system comprises rail side equipment, a central server, a microcomputer interlocking machine, a local area network, a wireless network, vehicle-mounted equipment and an interface module;
the rail side equipment is arranged at the tail end rail side of the rail end line and used for sending a deceleration alarm or a parking instruction to a station vehicle-mounted vehicle control system at a certain distance;
the central server is used for receiving the trigger signal, comparing the trigger signal with the interlocking information, acquiring the section occupied by the target locomotive under the unique path, and sending alarm or parking data to the vehicle-mounted host of the target locomotive;
the microcomputer interlocking machine is used for acquiring interlocking information from the railway microcomputer interlocking;
the local area network is used for information transmission of the central server, the microcomputer interlocking machine and the wireless network;
the wireless network is a self-built wireless network (or a public mobile network) and is used for information transmission of vehicle-mounted equipment, rail side equipment, a central server and a microcomputer interlocking machine;
the vehicle-mounted equipment is arranged on the locomotive and used for positioning real-time data of the locomotive, receiving alarm or parking data and sending deceleration and parking instructions;
and the interface module is used for information transmission of the central server and the microcomputer interlocking machine.
2. The railway end line early warning and collision avoidance system of claim 1, wherein the rail-side equipment comprises a protection alarm device and a wireless communication unit,
the protection alarm devices are magnetic steel or proximity switches, are arranged at the tail end of a rail end line and are used for sending out deceleration alarm or parking instructions to a station vehicle-mounted vehicle control system, wherein 2 protection alarm devices are used for sending out deceleration alarm or parking instructions to the system through a wireless network when being triggered, and the other protection alarm devices are used for sending out parking instructions to the system through the wireless network when being triggered;
and the wireless communication unit is arranged in the rail side box and is used for protecting the information transmission between the alarm equipment and the central server.
3. The railway end line early warning and collision avoidance system according to claim 1, wherein the unique path is a path determined by a wireless communication terminal of a rail side box, the server compares the corresponding end line of the protection alarm device with the interlocking information, and the obtained turnout opening direction information is used for determining.
4. The railway end-line warning and collision avoidance system of claim 1 wherein the distance between the front end of the locomotive top-loading vehicle and the end-line protection warning device is greater than 36 meters (depending on the line condition and the highest speed limit of the locomotive).
5. The railway end line early warning and collision avoidance system of claim 1 wherein the target locomotive occupies a zone that is identified by longitude and latitude data from a vehicle-mounted satellite (RTK) positioning module in combination with track zone GIS mapping data and verification of interlock access information.
6. The railway end line early warning and collision avoidance system of claim 1, wherein the vehicle-mounted device comprises a vehicle-mounted host, a satellite (RTK) positioning module and a wireless communication unit,
the vehicle-mounted host is arranged in a locomotive cab and used for transmitting information with a station vehicle-mounted vehicle control system;
the wireless communication unit is arranged on the locomotive and used for information transmission of a vehicle-mounted end and a wireless network;
and the satellite (RTK) positioning module is arranged on the locomotive and used for positioning real-time data of the locomotive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010423550.XA CN111806517A (en) | 2020-05-19 | 2020-05-19 | Railway end line early warning collision avoidance system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010423550.XA CN111806517A (en) | 2020-05-19 | 2020-05-19 | Railway end line early warning collision avoidance system |
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| Publication Number | Publication Date |
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| CN111806517A true CN111806517A (en) | 2020-10-23 |
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| CN202010423550.XA Withdrawn CN111806517A (en) | 2020-05-19 | 2020-05-19 | Railway end line early warning collision avoidance system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475698A (en) * | 2022-01-28 | 2022-05-13 | 中铁第一勘察设计院集团有限公司 | Intelligent anti-collision control system for end line shunting and implementation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114475698A (en) * | 2022-01-28 | 2022-05-13 | 中铁第一勘察设计院集团有限公司 | Intelligent anti-collision control system for end line shunting and implementation method |
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Application publication date: 20201023 |
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| WW01 | Invention patent application withdrawn after publication |