CN102700570A - Anti-collision and early-warning system of railway vehicles - Google Patents
Anti-collision and early-warning system of railway vehicles Download PDFInfo
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- CN102700570A CN102700570A CN2012101591851A CN201210159185A CN102700570A CN 102700570 A CN102700570 A CN 102700570A CN 2012101591851 A CN2012101591851 A CN 2012101591851A CN 201210159185 A CN201210159185 A CN 201210159185A CN 102700570 A CN102700570 A CN 102700570A
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Abstract
The invention provides an anti-collision and early-warning system of railway vehicles. The system is composed of a speed collecting module, an inertia avigation module, a GPS (Global Position System) module, a parameter selection switch module, a display module, a sound module, a data storage module, a wireless network transmission module, a data processing and analyzing software module and the like, wherein the speed collecting module is used for collecting a frequency signal of the vehicle speed; the inertia avigation module is used for acquiring the changes of speed and direction of the railway vehicles entering into a tunnel; the GPS module is used for acquiring location, speed, direction and standard time of the vehicles; the display module is used for displaying speeds, directions, lines, distances and collision residual time information of the vehicle and the other vehicles; the sound module is used for safely alarming; the data storage module is used for storing full-route data in a driving process of the rail vehicle so as to be convenient for subsequent analysis and treatment; the wireless network transmission module is used for realizing real-time transmission of data; and the data processing and analyzing software module is used for analyzing and processing the information and judging whether a collision accident happens or not, as well as performing the corresponding early-warning treatment.
Description
Technical field
The present invention relates to guideway vehicle safe in operation field, be specifically related to a kind of guideway vehicle operation location radio detection forewarn system.
Background technology
Guideway vehicle is one of important composition of existing communications and transportation; Its visitor, big, the fast characteristics of freight transport volume are one of main characteristics of guideway vehicle; Therefore its safety in operation is very important, in case the safety that grave accident (collision) will directly have influence on life and property takes place.Therefore, in the guideway vehicle operational process, must prevent the generation of grave accident (collision), guarantee the safety of guideway vehicle.The guideway vehicle anti-collision early warning system is each parameters such as the position of monitoring guideway vehicle in operational process, speed; Send through wireless technology these parameters with guideway vehicle, if an other guideway vehicle is arranged in certain distance range, then the forewarn system of two cars calculates the distance in two workshops; Judge through the safe early warning algorithm whether two cars can bump; And provide corresponding early warning, and the prompting driver takes corresponding operation, and the crash-avoidance accident takes place.The maximum characteristics of this system are to utilize velocity information or the inertial navigation system of guideway vehicle and global positioning system (GPS) that guideway vehicle is positioned analysis; Utilizing heavier-duty Zigbee wireless technology to transmit data, is the forewarn system that is totally independent of guideway vehicle existing system and other third party's communication system.Therefore, development guideway vehicle anti-collision early warning system, to the guideway vehicle operation safety monitoring, particularly track maintenance vehicle has crucial meaning.
Present guideway vehicle collision avoidance system both domestic and external mainly is to utilize existing train control system and dispatching system to take the manual control mode to prevent; U.S.'s Alaska railroad train collision avoidance system project is a cover brand new train control system; This system can improve passenger transportation and the safety of goods transport on Alaska railway line that adopts centralized traffic control (CTC) and no signal control directly to dispatch (DTC) greatly, improves conveying efficiency simultaneously.But this type systematic also has tangible deficiency: this system need combine with train control system, and it requires the link of cooperation many, needs railway communication network along the line especially; Train needs to rely on ground communications, control system in operational process; Be not suitable for independent judgment, use inconvenience, and cost an arm and a leg; Be not suitable for the entrucking of general guideway vehicle, particularly the line maintenance vehicle.
Summary of the invention
The objective of the invention is to solve existing deficiency in the above-mentioned technology; The guideway vehicle anti-collision early warning system that provide a kind of novelty, real-time, is independent of train control system; So that on actual track, guideway vehicle is carried out real-time, position monitoring independently, prevents the generation of guideway vehicle collision case.
Guideway vehicle anti-collision early warning system provided by the present invention is made up of speed acquisition module, inertial navigation module, GPS module, parameter select switch module, display module, sound module, data memory module, wireless network transmission module, data handing and analysis software module etc.; The collection of the train speed frequency signal that the speed acquisition module is accomplished comprises component parts such as speed signal voltage pressure limiting module, signal-adjusting module, signal amplification module, frequency acquisition module; The effect of inertial navigation module is to obtain the situation of change that guideway vehicle gets into (gps signal inefficacy) speed and orientation behind the tunnel, so that accurately obtain the guideway vehicle velocity information, is convenient to the positioning control of guideway vehicle; The GPS module is accomplished train position (longitude, latitude), speed, direction, the collection of standard time, and carries out data communication through the RS-232 serial ports between the MCU, can confirm the information such as speed, position of guideway vehicle operation thus; Parameter select switch module is through confirming the direction information and the line information of guideway vehicle operation at two select switches on the instrument (on/downing switch, list/multiple line switch); Display module is used to show velocity information, direction information, line information, range information, information excess time etc. that bumps of this car and other car, is convenient to the operation information that the driver intuitively grasps guideway vehicle; Sound module then mainly is to provide security alarm sound, and the prompting driver takes to operate accordingly the crash-avoidance accident and takes place; Data memory module is used for the omnidistance data of storage track vehicle at operational process, is convenient to analysis afterwards and processing; Wireless network transmission module is by heavier-duty Zigbee network struction; To realize that guideway vehicle outwards sends the location information parameter of oneself in real time at operational process; Receive simultaneously in the certain distance scope with frequency range with the agreement wireless data signal, be used for system and judged whether that other guideway vehicle exists; Data handing and analysis software module are used for the analysis of guideway vehicle location information and processing, and the location information of other guideway vehicle of receiving is carried out analyzing and processing, judge whether two cars can crash, and provide corresponding early warning and handle.
Described speed acquisition module, inertial navigation module, GPS module, parameter select switch module and display module are encapsulated in the can instrument, are fixed on the driver's cab the inside of guideway vehicle;
Described sound module can be fixed on instrument the inside, also can be fixed on the instrument outside, can be installed in different positions according to the requirement of different guideway vehicles;
Utilize the GPS module in the said system, can obtain the location information of guideway vehicle.
This test macro obtains location information through GPS, when GPS lost efficacy, then through speed acquisition module or inertial navigation module obtain guideway vehicle velocity information, carry out integration acquisition location information again;
This test macro has used the wireless transport module of heavier-duty Zigbee to carry out the transmission and the reception of vehicle operating parameters information data.
Native system designs with reference to TB/T2360-93 " railway locomotive dynamic performance check authentication method and evaluation criteria " and GB5599-85 " the railway technology standard can be evaluated and test requirement specification ".Form by speed acquisition module, inertial navigation module, GPS module, parameter select switch module, display module, sound module, data memory module, wireless network transmission module, data handing and analysis software module etc.; The collection of the train speed frequency signal that the speed acquisition module is accomplished comprises component parts such as speed signal voltage pressure limiting module, signal-adjusting module, signal amplification module, frequency acquisition module; The effect of inertial navigation module is to obtain the situation of change that guideway vehicle gets into (gps signal inefficacy) speed and orientation behind the tunnel, so that accurately obtain the guideway vehicle velocity information, is convenient to the positioning control of guideway vehicle; The GPS module is accomplished train position (longitude, latitude), speed, direction, the collection of standard time, and carries out data communication through the RS-232 serial ports between the MCU, can confirm the information such as speed, position of guideway vehicle operation thus; Parameter select switch module is through confirming the direction information and the line information of guideway vehicle operation at two select switches on the instrument (on/downing switch, list/multiple line switch); Display module is used to show velocity information, direction information, line information, range information, information excess time etc. that bumps of this car and other car, is convenient to the operation information that the driver intuitively grasps guideway vehicle; Sound module then mainly is to provide security alarm sound, and the prompting driver takes to operate accordingly the crash-avoidance accident and takes place; Data memory module is used for the omnidistance data of storage track vehicle at operational process, is convenient to analysis afterwards and processing; Wireless network transmission module is by heavier-duty Zigbee network struction; To realize that guideway vehicle outwards sends the location information parameter of oneself in real time at operational process; Receive simultaneously in the certain distance scope with frequency range with the agreement wireless data signal, be used for system and judged whether that other guideway vehicle exists; Data handing and analysis software module are used for the analysis of guideway vehicle location information and processing, and the location information of other guideway vehicle of receiving is carried out analyzing and processing, judge whether two cars can crash, and provide corresponding early warning and handle.
The present invention compared with prior art has the following advantages:
1, the applying working condition of native system is different with existing train collision avoidance system; Its maximum characteristics can independently be installed on the guideway vehicle exactly and use; Do not rely on train control system, ground communications system and dispatching system; Only, can calculate the distance in two workshops fully independently, realize the anti-collision early warning of guideway vehicle according to the locating information of guideway vehicle and the operation information of parameter select switch input.
2, added heavier-duty Zigbee wireless transport module in the native system; Utilize this module can avoid train control system, ground communications system and dispatching system etc. and carry out wireless data communication; Be convenient to directly calculate two vehicle headway information; And this communication network is free, can reduce use cost.
3, native system has utilized speed acquisition module or inertial navigation module that GPS information is replenished, and has realized the location in the tunnel, thereby realizes the location of guideway vehicle in the system-wide section.
4, native system has added display module and sound module, can show the range information of a plurality of guideway vehicles and this car, sends different early warning sound according to different distances information, takes corresponding operation with the prompting driver.
Description of drawings
Fig. 1 is the system architecture scheme drawing of guideway vehicle anti-collision early warning system of the present invention
Fig. 2 is the instance working state schematic representation of guideway vehicle anti-collision early warning system of the present invention
Below in conjunction with accompanying drawing, the present invention is further described.
The specific embodiment
Fig. 1 is the system architecture scheme drawing of guideway vehicle anti-collision early warning system of the present invention: mainly be made up of speed acquisition module, inertial navigation module, GPS module, parameter select switch module, display module, sound module, data memory module, wireless network transmission module, data handing and analysis software module etc.; The collection of the train speed frequency signal that the speed acquisition module is accomplished comprises component parts such as speed signal voltage pressure limiting module, signal-adjusting module, signal amplification module, frequency acquisition module; The effect of inertial navigation module is to obtain the situation of change that guideway vehicle gets into (gps signal inefficacy) speed and orientation behind the tunnel, so that accurately obtain the guideway vehicle velocity information, is convenient to the positioning control of guideway vehicle; The GPS module is accomplished train position (longitude, latitude), speed, direction, the collection of standard time, and carries out data communication through the RS-232 serial ports between the MCU, can confirm the information such as speed, position of guideway vehicle operation thus; Parameter select switch module is through confirming the direction information and the line information of guideway vehicle operation at two select switches on the instrument (on/downing switch, list/multiple line switch); Display module is used to show velocity information, direction information, line information, range information, information excess time etc. that bumps of this car and other car, is convenient to the operation information that the driver intuitively grasps guideway vehicle; Sound module then mainly is to provide security alarm sound, and the prompting driver takes to operate accordingly the crash-avoidance accident and takes place; Data memory module is used for the omnidistance data of storage track vehicle at operational process, is convenient to analysis afterwards and processing; Wireless network transmission module is by heavier-duty Zigbee network struction; To realize that guideway vehicle outwards sends the location information parameter of oneself in real time at operational process; Receive simultaneously in the certain distance scope with frequency range with the agreement wireless data signal, be used for system and judged whether that other guideway vehicle exists; Data handing and analysis software module are used for the analysis of guideway vehicle location information and processing, and the location information of other guideway vehicle of receiving is carried out analyzing and processing, judge whether two cars can crash, and provide corresponding early warning and handle.
Fig. 2 is the instance working state schematic representation of guideway vehicle anti-collision early warning system of the present invention: the speed module mainly is the speed in frequency signal of acquisition trajectory vehicle, obtains the speed signal of guideway vehicle through voltage pressure limiting module, signal-adjusting module, signal amplification module, frequency acquisition module etc.; The inertial navigation module is through the speed and the azimuth information of acceleration test caculation orbit vehicle; The GPS module is accomplished train position (longitude, latitude), speed, direction, the collection of standard time; Speed module and inertial navigation module only need to install wherein one in the present invention, and its effect is a supplementary track car speed information when GPS such as guideway vehicle entering tunnel, platform lost efficacy, so that accurately obtain the location information of guideway vehicle; The input of guideway vehicle operation information parameter is through confirming the direction information and the line information of guideway vehicle operation at two select switches on the instrument (on/downing switch, list/multiple line switch).
When two row guideway vehicles on the line with/when on list/multiple line, moving in opposite directions, the forewarn system of each car sends the location information that records and operation information and carries out the data preservation through heavier-duty Zigbee network, receive the data message of an other row guideway vehicle simultaneously; If in the certain distance scope, can receive with the agreement wireless data signal with frequency range; Show have other guideway vehicle near, then forewarn system calculates, analyzes and judge according to the information that receives, just carries out the safety distance judgement for the guideway vehicle on same track; And information shown through display system; Through judging apart from safe early warning, provide corresponding early warning auditory tone cues, notify the driver to take corresponding operation; Early warning information is preserved in the generation of crash-avoidance accident simultaneously.
Though described embodiment of the present invention in conjunction with accompanying drawing, those of ordinary skills do not need the various distortion that performing creative labour just can make within the scope of the appended claims or revise the protection domain that still belongs to this patent.
Claims (3)
1. a guideway vehicle anti-collision early warning system is made up of speed acquisition module, inertial navigation module, GPS module, parameter select switch module, display module, sound module, data memory module, wireless network transmission module, data handing and analysis software module etc.; The collection of the train speed frequency signal that the speed acquisition module is accomplished comprises component parts such as speed signal voltage pressure limiting module, signal-adjusting module, signal amplification module, frequency acquisition module; The effect of inertial navigation module is to obtain the situation of change that guideway vehicle gets into (gps signal inefficacy) speed and orientation behind the tunnel, so that accurately obtain the guideway vehicle velocity information, is convenient to the positioning control of guideway vehicle; The GPS module is accomplished train position (longitude, latitude), speed, direction, the collection of standard time, and carries out data communication through the RS-232 serial ports between the MCU, can confirm the information such as speed, position of guideway vehicle operation thus; Parameter select switch module is through confirming the direction information and the line information of guideway vehicle operation at two select switches on the instrument (on/downing switch, list/multiple line switch); Display module is used to show velocity information, direction information, line information, range information, information excess time etc. that bumps of this car and other car, is convenient to the operation information that the driver intuitively grasps guideway vehicle; Sound module then mainly is to provide security alarm sound, and the prompting driver takes to operate accordingly the crash-avoidance accident and takes place; Data memory module is used for the omnidistance data of storage track vehicle at operational process, is convenient to analysis afterwards and processing; Wireless network transmission module is by heavier-duty Zigbee network struction; To realize that guideway vehicle outwards sends the location information parameter of oneself in real time at operational process; Receive simultaneously in the certain distance scope with frequency range with the agreement wireless data signal, be used for system and judged whether that other guideway vehicle exists; Data handing and analysis software module are used for the analysis of guideway vehicle location information and processing, and the location information of other guideway vehicle of receiving is carried out analyzing and processing, judge whether two cars can crash, and provide corresponding early warning and handle.
It is characterized in that:
Described speed acquisition module, inertial navigation module, GPS module, parameter select switch module and display module are encapsulated in the can instrument, are fixed on the driver's cab the inside of guideway vehicle;
Described sound module can be fixed on instrument the inside, also can be fixed on the instrument outside, can be installed in different positions according to the requirement of different guideway vehicles;
Utilize the GPS module in the said device, can obtain the location information of guideway vehicle.
2. guideway vehicle anti-collision early warning system according to claim 1; It is characterized in that said system obtains location information through GPS; When GPS lost efficacy, then through speed acquisition module or inertial navigation module obtain guideway vehicle velocity information, carry out integration again and obtain location information.
3. guideway vehicle anti-collision early warning system according to claim 1 is characterized in that utilizing the wireless transport module of heavier-duty Zigbee to carry out the transmission and the reception of vehicle operating parameters data.
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| CN2012101591851A CN102700570A (en) | 2012-05-22 | 2012-05-22 | Anti-collision and early-warning system of railway vehicles |
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Cited By (19)
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| CN102923167A (en) * | 2012-10-25 | 2013-02-13 | 北京交通大学 | Train tracking and approaching pre-warning system |
| CN103192852A (en) * | 2013-04-18 | 2013-07-10 | 南京理工大学 | Subway train collision-avoidance early-warning device and method thereof |
| CN103991466A (en) * | 2014-05-19 | 2014-08-20 | 东华大学 | Safety driver assistance system in subway backup driving mode based on wireless network |
| CN104571106A (en) * | 2014-12-16 | 2015-04-29 | 华南农业大学 | Urgent danger prevention device and control method for orchard monorail vehicle |
| CN104859688A (en) * | 2015-06-11 | 2015-08-26 | 刘国宝 | Metro automatic management system based on Beidou positioning |
| CN105083334A (en) * | 2015-03-31 | 2015-11-25 | 江苏理工学院 | Subway train collision early warning method |
| CN105080895A (en) * | 2015-09-10 | 2015-11-25 | 太仓市微贯机电有限公司 | Automatic dust and impurity removing device for production and work method of automatic dust and impurity removing device |
| CN105083335A (en) * | 2015-03-31 | 2015-11-25 | 江苏理工学院 | Subway traffic flow optimization control method |
| CN105539519A (en) * | 2016-02-20 | 2016-05-04 | 上海果路交通科技有限公司 | City rail train radio frequency assistant anti-collision system |
| CN105882691A (en) * | 2014-10-11 | 2016-08-24 | 中国铁道科学研究院铁道建筑研究所 | Railway large-scale maintenance machinery operation anti-collision early warning device |
| CN106741006A (en) * | 2015-03-31 | 2017-05-31 | 江苏理工学院 | Subway conflict early warning method based on robust strategy |
| CN106853833A (en) * | 2015-03-31 | 2017-06-16 | 江苏理工学院 | Subway traffic flow control method |
| CN107102237A (en) * | 2017-04-27 | 2017-08-29 | 荆门品创通信科技有限公司 | The method for inspecting and cruising inspection system of a kind of transmission line of electricity |
| CN107316351A (en) * | 2017-05-24 | 2017-11-03 | 程家宝 | The method for inspecting and cruising inspection system of a kind of transmission line of electricity |
| CN107564260A (en) * | 2017-09-27 | 2018-01-09 | 佘以道 | Vehicle checking method near a kind of rail |
| CN109211228A (en) * | 2018-06-30 | 2019-01-15 | 华安鑫创控股（北京）股份有限公司 | A kind of intelligent Web inertial navigation method and Related product |
| US10235882B1 (en) | 2018-03-19 | 2019-03-19 | Derq Inc. | Early warning and collision avoidance |
| CN111179637A (en) * | 2020-01-06 | 2020-05-19 | 株洲旭阳机电科技开发有限公司 | Rail car anti-collision off-network proximity alarm system and method based on Zigbee |
| US11443631B2 (en) | 2019-08-29 | 2022-09-13 | Derq Inc. | Enhanced onboard equipment |
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| CN102923167A (en) * | 2012-10-25 | 2013-02-13 | 北京交通大学 | Train tracking and approaching pre-warning system |
| CN102923167B (en) * | 2012-10-25 | 2015-10-14 | 北京交通大学 | Train is followed the trail of close to forewarn system |
| CN103192852A (en) * | 2013-04-18 | 2013-07-10 | 南京理工大学 | Subway train collision-avoidance early-warning device and method thereof |
| CN103991466A (en) * | 2014-05-19 | 2014-08-20 | 东华大学 | Safety driver assistance system in subway backup driving mode based on wireless network |
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| CN105083335A (en) * | 2015-03-31 | 2015-11-25 | 江苏理工学院 | Subway traffic flow optimization control method |
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| CN105539519A (en) * | 2016-02-20 | 2016-05-04 | 上海果路交通科技有限公司 | City rail train radio frequency assistant anti-collision system |
| CN107102237A (en) * | 2017-04-27 | 2017-08-29 | 荆门品创通信科技有限公司 | The method for inspecting and cruising inspection system of a kind of transmission line of electricity |
| CN107316351A (en) * | 2017-05-24 | 2017-11-03 | 程家宝 | The method for inspecting and cruising inspection system of a kind of transmission line of electricity |
| CN107564260A (en) * | 2017-09-27 | 2018-01-09 | 佘以道 | Vehicle checking method near a kind of rail |
| US11276311B2 (en) | 2018-03-19 | 2022-03-15 | Derq Inc. | Early warning and collision avoidance |
| US10235882B1 (en) | 2018-03-19 | 2019-03-19 | Derq Inc. | Early warning and collision avoidance |
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Application publication date: 20121003 |