CN107399338A - Train contact network detection means and method - Google Patents
Train contact network detection means and method Download PDFInfo
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- CN107399338A CN107399338A CN201610329594.XA CN201610329594A CN107399338A CN 107399338 A CN107399338 A CN 107399338A CN 201610329594 A CN201610329594 A CN 201610329594A CN 107399338 A CN107399338 A CN 107399338A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/08—Measuring installations for surveying permanent way
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
- B60L5/20—Details of contact bow
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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 vehicle trains
- B61L23/04—Control, warning, or like safety means along the route or between vehicles or vehicle trains for monitoring the mechanical state of the route
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or vehicle trains or setting of track apparatus
- B61L25/06—Indicating or recording the setting of track apparatus, e.g. of points, of signals
- B61L25/08—Diagrammatic displays
Abstract
The present invention relates to a kind of train contact network detection means and method, the device includes：For gathering the first image information collecting device of the remote contact net image information in train operation front upper place；For gathering the second image information collecting device of train operation ahead environment panorama image information；The panorama image information collected for the remote image information collected to the first image information collecting device and the second image information collecting device analyzes and processes, and identifies the analysis identification module of abnormal position information；Receive described abnormal position information and the alarm module alarmed；The pantograph control module being connected with the pantograph control interface of train, the input of the pantograph control module are connected with the output end of described alarm module or analysis identification module.
Description
Technical field
The invention belongs to railway security detection technique field, more particularly to a kind of technology of train contact network abnormal state detection.
Background technology
Passenger traffic safety be safety of railway traffic weight among, contact net be along rail overhead set up special shape transmission line of electricity, be mainly used in for electric locomotive power.Influenceed by weather or the factor such as artificial, contact net often breaks down, such as the weather such as strong wind or heavy snow, causes contact net to loosen and come off；And contact net failure, it will influence the normal power supply of electric locomotive, or even cause electric motor car to stop transport；It can be seen that the failure of contact net whether, the operation to electric locomotive is significant.
The content of the invention
The purpose of the present invention is to overcome the problems of the prior art, there is provided a kind of train contact network detection means of real time on-line monitoring contact net abnormal conditions.
The technical scheme is that a kind of train contact network detection means, it includes：
For gathering the first image information collecting device of the remote contact net image information of train operation ahead；
For gathering the second image information collecting device of train operation ahead panorama image information；
It is connected with the first described image information collecting device and the second image information collecting device signal, the panorama image information collected for the remote image information collected to the first image information collecting device and/or the second image information collecting device analyzes and processes, and identifies the analysis identification module of abnormal position information；
Receive described abnormal position information and the alarm module alarmed；And
The pantograph control module being connected with the pantograph control interface of train, the input of the pantograph control module are connected with the output end of described alarm module or analysis identification module.
Further technical scheme is：Described first image information collecting device and/or second image information collecting device are on the outside of the train head.
Preferably, the first described image information collecting device includes sending train operation ahead the laser radar detection module of pulse laser.
Preferably, the laser radar detection module includes：
Pulsed laser source, for sending pulse laser to train operation ahead, and form search coverage；
Optical imagery module, for being imaged to the search coverage, and form optical imagery information；
Detection imaging module, for being detected to the search coverage, and form detection imaging information；And
Signal processing unit, it is connected with described optical imagery module, detection imaging module, analysis and processing module and vehicle-mounted display terminal, described signal processing unit is used to receive described optical imagery information and detection imaging information and processing forms described image information.
Preferably, the first described image information collecting device includes being used for the Infrared Image Information collection module for gathering thermal source information.
Preferably, the first described image information collecting device includes three-dimensional information acquisition module.
Preferably, described analysis identification module includes：
For identifying the contact net anomalous identification module of the contact net abnormal information in described remote contact net image information；
For identifying the positional information identification module of the real-time position information in described panorama image information；
For identifying the textural anomaly identification module of the textural anomaly information in described panorama image information；
Described contact net anomalous identification module and textural anomaly identification module are connected with described alarm module signal respectively, and described contact net anomalous identification module, positional information identification module and textural anomaly identification module are connected with described pantograph control module signal.
Preferably, described pantograph control module is included with the pulses generation module for judging whether to perform the judge module of drop bow action, drop bow signal or rising bow signal for sending according to the contact net abnormal information or textural anomaly information.
Preferably, described positional information identification module includes being used for the bar identification module for identifying bar number and the kilometer post identification module for identifying kilometer post.
Preferably, described textural anomaly identification module also includes being stored with the memory cell of the contact net construction standard information corresponding to each bar number and the comparator for the contact net structural information in described panorama image information to be compared with described contact net construction standard information.
It is a further object of the present invention to provide a kind of train contact network detection method.
To realize the purpose, the technological means that the present invention uses is：A kind of train contact network detection method, including：
Gather the contact net image information of train operation ahead distant location；
Gather the panorama image information of train operation ahead；
Analyze and identify the abnormal position in described contact net image information and panorama image information；
Extraction abnormal position information is simultaneously alarmed；
The pantograph of train is controlled to make drop bow or rising bow action according to abnormal position information.
Preferably, described train contact network detection method, in addition to：Positional information and contact net structural information are extracted in described panorama image information, and described contact net structural information is compared with the standard information corresponding to the positional information to prestore in the memory unit.
Preferably, described train contact network detection method, in addition to：To train operation ahead emission pulse laser, receive reflected light signal and carry out the described contact net image information of optical imagery acquisition.
Preferably, described train contact network detection method, in addition to：Thermal Infra-Red detection imaging is carried out to train operation ahead and obtains described contact net image information.
The present invention compared with prior art the advantages of be：The present invention can realize the real time and on line monitoring to train operation ahead contact net state, play a part of contact net fault pre-alarming and abnormality automatic bow-lowering, it is ensured that traffic safety.
Brief description of the drawings
Accompanying drawing 1 is fundamental diagram of the invention；
Accompanying drawing 2 is the visual field schematic diagram of the first image collecting device of the present invention；
Accompanying drawing 3 is the visual field schematic diagram of the second image collecting device of the present invention；
Wherein：10th, train；11st, pantograph；20th, contact net；30th, track.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.The invention belongs to the part in detecting system on the line of intelligent EMUs, contact net system is monitored in real time using High-speed Photography Technology, situations such as automatic identification buckle is come off, foreign matter is hung, contact net textural anomaly, and alarm is carried out, EMUs are established from sensing network system.
Train contact network detection method of the present invention, mainly includes：
Gather the contact net image information of train operation ahead distant location；
Gather the panorama image information of train operation ahead；
Positional information and contact net structural information are extracted in described panorama image information, and described contact net structural information is compared with the standard information corresponding to the positional information to prestore in the memory unit, analyze and identify the abnormal position in described contact net image information and panorama image information；
Extraction abnormal position information is simultaneously alarmed；
The pantograph of train is controlled to make drop bow or rising bow action according to abnormal position information.
The present invention by gathering image information and panorama image information apart from contact net in real time, monitoring in real time is realized to the contact net of train operation ahead, simultaneously by carrying out analysis identification to contact net image information and panorama image information, it can know which position exists different from standard information in the image information gathered in real time, thus the position is judged as abnormal position, alarm by alarm module again and automatically control pantograph and carry out drop bow, avoid abnormal position, treat that train crosses after abnormal position rising bow again, normal operation.
When gathering contact net image information, it is fast in view of train running speed, enough reaction distances should be left for consideration safe for operation, therefore as far as possible remote place should be gathered when gathering contact net image information, to obtain clear accurately contact net image information, therefore the present invention is also to train operation ahead emission pulse laser, the range of exposures of laser is remote, the angle of divergence is small, therefore the contact net outside train operation ahead 1Km can be irradiated, and reflected light signal, received by optical antenna and carry out optical imagery so as to obtain described contact net image information.
It is imaged by emission pulse laser, in the case where weather conditions are good contact net imaging can be carried out with night, and in haze, rainy weather, laser is influenceed by Particle Scattering, imaging effect is bad, to make up such case, in a preferred embodiment of the invention, described contact net image information can be obtained by carrying out Thermal Infra-Red detection imaging to train operation ahead.
Shown in accompanying drawing 1~3, for the specific embodiment of the present invention, it discloses a kind of train contact network detection means, in train head, is connected with the vehicle-mounted display terminal of train 10, it includes：
For gathering the first image information collecting device of the remote image information of contact net 20 in the operation of train 10 front；
For gathering the second image information collecting device of the operation of train 10 front panorama image information；
The panorama image information collected for the remote image information collected to the first image information collecting device and/or the second image information collecting device analyzes and processes, and identifies the analysis identification module of abnormal position information；
Described abnormal position information and the alarm module alarmed are received, and
The pantograph control module being connected with the pantograph control interface of train, output end of the input of identification module respectively with the first image information collecting device and/or the second image information collecting device is analyzed to be connected, the output end of analysis identification module is connected with alarm module and pantograph control module signal, the pantograph 11 of train receives to fold after drop bow instruction by pantograph control interface lands, the automatic rising bow again of pantograph 11 when waiting the train to cross abnormal position.
Specifically, the first image information collecting device includes the laser radar detection module of the contact net state outside 1Km in front of collection train, and the laser radar detection module includes：
Pulsed laser source, for sending pulse laser to the contact net of train operation ahead, and form search coverage S1, because the angle of divergence of laser is small, therefore, search coverage S1Irradiation distance is remote, visual field is relatively small；
Optical imagery module, high-speed industrial video camera typically is selected, it is used for search coverage S1Imaging, and form optical imagery information；
Detection imaging module, for search coverage S1Detection, and detection imaging information is formed, system can quickly find contact net foreign matter or contact net abnormal failure according to detection information；And
Signal processing unit, it is connected with optical imagery module, detection imaging module, analysis and processing module and vehicle-mounted display terminal, signal processing unit is used to receive optical imagery information and detection imaging information and processing forms image information.
To avoid the front windshield of train from producing dazzle, therefore the first image information collecting device of the present invention is arranged on the outside of train head, installed in headstock headlight opening position, apart from ground level about 1.4m.The detection range D of first image collecting device1More than 1Km, by the first image information collecting device, train contact network detection means can know the contact net state outside 1Km, the abnormal conditions such as automatic identification buckle comes off, foreign matter suspension, and complete alarm or automatic bow-lowering action.
In a preferred embodiment of the invention, the first described image information collecting device is that three-dimensional image information gathers module.
In order to obtain high quality under overcast and rainy, haze weather or in the case of night running, clearly be imaged, the first described image information collecting device also includes being used for the Infrared Image Information collection module for gathering thermal source information, and Infrared Image Information collection module is thermal infrared imager.
Second image information collecting device is arranged in the driver's cabin of the headstock of train 10.It is D that second image information collecting device, which includes that train operation ahead distance can be gathered,2Panorama image information panorama camera, the field range of the panorama camera is S2, as shown in Figure 3, D2Usually 10~30 meters or so.Kilometer number, the information of catenary mast bar bar number comprising contact net structural condition information and reflection train present position in panorama image information, section partition can be carried out automatically with reference to the GPS information of train, can quickly and accurately it position, therefore analyzed by the way that panoramic picture is sent into analysis identification module, we can just learn train present position and the abnormality of contact net.Panorama image information can also be recorded by storage device, be used as drive recorder.
In the present embodiment, second image information collecting device includes the first monitoring camera of collection kilometer number and contact net support bar number and the second monitoring camera of collection overhead contact line unit state, and the first monitoring camera and the second monitoring camera are integrated into dual-camera structure.The installation that second image information collecting device needs needs accurate adjustment horizontal level, upright position and shooting angle, firstly the need of with software calibration shooting area before formal shooting, make shooting area consistent with structure, the gradient and the trend of contact net in database Plays image etc..
Described analysis identification module includes：
Contact net anomalous identification module, for identifying the contact net abnormal information in described remote contact net image information, contact net anomalous identification module can be identified in remote contact net image information, the abnormal data such as the buckle in overhead contact line region comes off, part missing, foreign matter suspension；
Positional information identification module, for identifying the real-time position information in described panorama image information, described positional information identification module includes being used for the bar identification module for identifying bar number and the kilometer post identification module for identifying kilometer post；
Textural anomaly identification module, for identifying the textural anomaly information in panorama image information, the textural anomaly identification module can be identified in panorama image information, the contact net structural informations such as relative slope, the relative position of web frame are contacted, textural anomaly identification module also includes being stored with the memory cell of the contact net construction standard information corresponding to each bar number and the comparator for the contact net structural information in described panorama image information to be compared with described contact net construction standard information.
Described contact net anomalous identification module and textural anomaly identification module is connected with alarm module signal respectively, once it was found that contact net abnormal information or contact net textural anomaly information be present, alarmed immediately by alarm module, warning message is fed back into vehicle-mounted display terminal simultaneously, other train contact network detection means also includes being used for the network communication module that abnormal information is fed back to control centre, by control centre, the train subsequently passed through can be reminded to pay attention to.
Pantograph control module is included with the pulses generation module for judging whether to perform the judge module of drop bow action, drop bow signal or rising bow signal for sending according to the contact net abnormal information or textural anomaly information.Due to train in the process of moving the speed of service quickly, therefore drop bow or rising bow action typically judged by contact net abnormal information.Described contact net anomalous identification module, positional information identification module and car running computer is connected with described pantograph control module signal.The judge module sends drop bow instruction when train will reach abort situation according to contact net abnormal information, positional information, speed information, and in train after abort situation, sends rising bow instruction.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art to understand present disclosure and implement according to this, it is not intended to limit the scope of the present invention.Any equivalent change or modification in accordance with the spirit of the invention, it should all be included within the scope of the present invention.
Claims (14)
1. a kind of train contact network detection means, it is characterised in that it includes：
For gathering the first image information collecting device of the remote contact net image information of train operation ahead；
For gathering the second image information collecting device of train operation ahead panorama image information；
It is connected with the first described image information collecting device and the second image information collecting device signal, the panorama image information collected for the remote image information collected to the first image information collecting device and/or the second image information collecting device analyzes and processes, and identifies the analysis identification module of abnormal position information；
Receive described abnormal position information and the alarm module alarmed；And
The pantograph control module being connected with the pantograph control interface of train, the input of the pantograph control module are connected with the output end of described alarm module or analysis identification module.
2. train contact network detection means according to claim 1, it is characterised in that：Described first image information collecting device and/or second image information collecting device are on the outside of the train head.
3. train contact network detection means according to claim 1, it is characterised in that：The first described image information collecting device includes sending train operation ahead the laser radar detection module of pulse laser.
4. train contact network detection means according to claim 3, it is characterised in that：The laser radar detection module includes：
Pulsed laser source, for sending pulse laser to train operation ahead, and form search coverage；
Optical imagery module, for being imaged to the search coverage, and form optical imagery information；
Detection imaging module, for being detected to the search coverage, and form detection imaging information；And
Signal processing unit, it is connected with described optical imagery module, detection imaging module, analysis and processing module and vehicle-mounted display terminal, described signal processing unit is used to receive described optical imagery information and detection imaging information and processing forms described image information.
5. the train contact network detection means according to claim 1 or 3, it is characterised in that：The first described image information collecting device includes being used for the Infrared Image Information collection module for gathering thermal source information.
6. train contact network detection means according to claim 1, it is characterised in that：The first described image information collecting device includes three-dimensional information acquisition module.
7. train contact network detection means according to claim 1, it is characterised in that：Described analysis identification module includes：
For identifying the contact net anomalous identification module of the contact net abnormal information in described remote contact net image information；
For identifying the positional information identification module of the real-time position information in described panorama image information；
For identifying the textural anomaly identification module of the textural anomaly information in described panorama image information；
Described contact net anomalous identification module and textural anomaly identification module are connected with described alarm module signal respectively, and described contact net anomalous identification module, positional information identification module and textural anomaly identification module are connected with described pantograph control module signal.
8. train contact network detection means according to claim 7, it is characterised in that：Described pantograph control module is included with the pulses generation module for judging whether to perform the judge module of drop bow action, drop bow signal or rising bow signal for sending according to the contact net abnormal information or textural anomaly information.
9. train contact network detection means according to claim 7, it is characterised in that：Described positional information identification module includes being used for the bar identification module for identifying bar number and the kilometer post identification module for identifying kilometer post.
10. train contact network detection means according to claim 7, it is characterised in that：Described textural anomaly identification module also includes being stored with the memory cell of the contact net construction standard information corresponding to each bar number and the comparator for the contact net structural information in described panorama image information to be compared with described contact net construction standard information.
11. a kind of train contact network detection method, it is characterised in that it includes：
Gather the contact net image information of train operation ahead distant location；
Gather the panorama image information of train operation ahead；
Analyze and identify the abnormal position in described contact net image information and panorama image information；
Extraction abnormal position information is simultaneously alarmed；
The pantograph of train is controlled to make drop bow or rising bow action according to abnormal position information.
12. train contact network detection method according to claim 11, it is characterised in that also include：Positional information and contact net structural information are extracted in described panorama image information, and described contact net structural information is compared with the standard information corresponding to the positional information to prestore in the memory unit.
13. train contact network detection method according to claim 11, it is characterised in that also include：To train operation ahead emission pulse laser, receive reflected light signal and carry out the described contact net image information of optical imagery acquisition.
14. train contact network detection method according to claim 11, it is characterised in that also include：Thermal Infra-Red detection imaging is carried out to train operation ahead and obtains described contact net image information.
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| CN109085607A (en) * | 2018-07-27 | 2018-12-25 | 中车唐山机车车辆有限公司 | Contact net obstacle detection method and device |
| CN109581077A (en) * | 2018-12-29 | 2019-04-05 | 北京天高科科技有限公司 | Railway traffic contact network hard spot detection system based on rf signal analysis |
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| CN110888387A (en) * | 2019-11-11 | 2020-03-17 | 南京铁道职业技术学院 | Device and method for monitoring safety of contact network operation state |
| CN112009529A (en) * | 2020-09-03 | 2020-12-01 | 西南交通大学 | Train positioning method based on contact net support pole number image recognition |
| CN112009528A (en) * | 2020-09-03 | 2020-12-01 | 西南交通大学 | Train positioning method based on contact net and accessory thereof |
| CN112798598A (en) * | 2021-02-07 | 2021-05-14 | 北京航天计量测试技术研究所 | Contact line abrasion loss detection system and method |
| CN112819776A (en) * | 2021-01-28 | 2021-05-18 | 中车青岛四方机车车辆股份有限公司 | Pantograph structure abnormality recognition method and system, electronic device, and storage medium |
| CN113525183A (en) * | 2021-07-29 | 2021-10-22 | 北京南凯自动化系统工程有限公司 | Railway contact net barrier cleaning system and method |
| CN116279673A (en) * | 2023-04-19 | 2023-06-23 | 西北铁道电子股份有限公司 | Train running line and driving state on-line monitoring system and device |
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| CN112009529A (en) * | 2020-09-03 | 2020-12-01 | 西南交通大学 | Train positioning method based on contact net support pole number image recognition |
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| CN112798598A (en) * | 2021-02-07 | 2021-05-14 | 北京航天计量测试技术研究所 | Contact line abrasion loss detection system and method |
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Application publication date: 20171128 |