CN214565363U - Image detection integrated system for rail train wheel set tread - Google Patents
Image detection integrated system for rail train wheel set tread Download PDFInfo
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- CN214565363U CN214565363U CN202023304310.2U CN202023304310U CN214565363U CN 214565363 U CN214565363 U CN 214565363U CN 202023304310 U CN202023304310 U CN 202023304310U CN 214565363 U CN214565363 U CN 214565363U
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Abstract
The application relates to the technical field of vehicle detection, and provides an image detection integrated system for a rail train wheel set tread, which comprises an image acquisition unit, a light supplementing device and an analysis processing system; the track comprises two steel rails, and an image acquisition unit and a light supplementing device are arranged on one side of each steel rail along the length direction of the track; the image acquisition unit is of an integrated modular structure and is integrated with a plurality of tread collectors arranged along the length direction of the track, and the distance from the most upstream tread collector to the most downstream tread collector is not less than the circumference of the wheel to be detected. In the in-service use process, the image acquisition unit of modular design can be directly installed on one side of the track, and because of a plurality of tread collectors integrated inside, the whole actual image of the wheel set tread can be completely detected out, and only each tread collector needs to be connected together through the quick connector in a plugging manner, namely, the installation and disassembly time is greatly saved, and the detection precision is improved.
Description
Technical Field
The application relates to the technical field of vehicle detection, in particular to an image detection integrated system for a rail train wheel set tread.
Background
The wheels are important parts for the running operation of the locomotive. In the long-term motion process of the wheel, the wheel set tread is impacted by the rail for a long time, and the abrasion condition of the tread is an important factor of driving safety, so that the problem that how to accurately judge the damage of the tread in real time is urgently needed to be solved.
At present, damage detection of wheel set treads mainly comprises three methods, one is a visual observation method or a sound recognition method. The method has low detection efficiency and low automation degree, and the detection result has larger subjective judgment, thereby causing inaccurate detection. And the second method adopts a wheel diameter ruler and a wheel rim ruler to measure the wheel diameter value, the wheel rim height value, the wheel rim thickness value and the wheel rim comprehensive value of the wheel. The method detects a single wheel, and the degree of automation is not high; manual mechanical measurement is adopted, and an instrument needs to be calibrated before each detection; the quality of the detection instrument is large, and the detection instrument needs to be matched with a standard component every time the detection instrument is used, so that the detection instrument is not beneficial to workshop work and influences the detection efficiency. The third is that a plurality of independent detection devices are arranged on a wheel path to respectively obtain a section of tread image in the advancing process of a wheel, the detection devices need to be installed beside a track and need to be installed under the condition that no vehicle passes through, and the existing detection devices are independent units, are not integrated and are in modular design, are time-consuming and labor-consuming in installation, cause that the installation and maintenance site needs to be coordinated with a railway train dispatching room continuously, and are very inconvenient; even sometimes train operation is affected in order to install the detection equipment.
In summary, it is a technical problem to be urgently solved by those skilled in the art to develop a detection device for detecting a tread of a wheel pair, which has high detection accuracy and is easy to install and maintain.
SUMMERY OF THE UTILITY MODEL
In order to research and develop a detection device that the wheel pair tread detection accuracy is high, and easy installation, maintenance, improve the detection efficiency and the rate of accuracy of wheel pair tread, guarantee the early warning ability at the trouble production initial stage, this application provides a rail train wheel pair tread's image detection integrated system.
The application provides an image detection integrated system for a rail train wheel set tread, which comprises an image acquisition unit, a light supplementing device and an analysis processing system; the track comprises two steel rails, the image acquisition unit and the light supplement device are arranged on one side of each steel rail along the length direction of the track, and the light supplement device is used for supplementing light to the detection area of the corresponding image acquisition unit;
the image acquisition unit is of an integrated modular structure and integrates a plurality of tread collectors arranged along the length direction of the track, and the distance from the most upstream tread collector to the most downstream tread collector is not less than the circumference of the wheel to be detected;
when the rail train passes through, the tread collector is configured to collect subimage information of the train wheel tread; the analysis processing system is in signal connection with the image acquisition unit; the analysis processing system is configured to acquire all the sub-image information, form complete 360-degree tread image information, and analyze and identify the 360-degree tread image information to extract tread state information.
Optionally, the image acquisition unit is installed inside each steel rail, and the light supplement device is installed outside each steel rail.
Optionally, the image acquisition unit is installed at the outer side of each steel rail, and the light supplement device is installed at the inner side of each steel rail.
Optionally, the light supplement device is of an integrated modular structure and is integrated with a plurality of light supplement sources arranged along the length direction of the track (6).
Optionally, the train protection device further comprises a positioning device, wherein the positioning device is installed on one side of the track and configured to acquire speed information and position information of the train in the track;
the positioning device is in signal connection with the image acquisition unit and the light supplement device, and the image acquisition unit and the light supplement device are further configured to be capable of automatically adjusting the working frequency and starting the work after receiving the vehicle speed information and the position information.
Optionally, the system further comprises a train receiving device for acquiring train number information of the train, wherein the train receiving device is in signal connection with the analysis processing system;
the analysis processing system is also configured to receive the vehicle number information and analyze and identify the 360-degree tread image information based on the vehicle number information so as to extract the tread state information.
Optionally, the system further comprises a terminal device, and the terminal device is connected with the analysis processing system, the image acquisition unit, the light supplementing device, the positioning device and the vehicle receiving device.
Optionally, the tread surface collector comprises an area camera and/or a line camera.
According to the technical scheme, the image detection integrated system for the rail train wheel set tread comprises an image acquisition unit, a light supplementing device and an analysis processing system; the track comprises two steel rails, the image acquisition unit and the light supplement device are arranged on one side of each steel rail along the length direction of the track, and the light supplement device is used for supplementing light to the detection area of the corresponding image acquisition unit; the image acquisition unit is of an integrated modular structure and integrates a plurality of tread collectors arranged along the length direction of the track, and the distance from the most upstream tread collector to the most downstream tread collector is not less than the circumference of the wheel to be detected; when the rail train passes through, the tread collector is configured to collect subimage information of the train wheel tread; the analysis processing system is in signal connection with the image acquisition unit; the analysis processing system is configured to acquire all the sub-image information, form complete 360-degree tread image information, and analyze and identify the 360-degree tread image information to extract tread state information.
In the in-service use process, the image acquisition unit of modular design can directly be installed in orbital one side, because a plurality of tread collectors of internal integration, can detect out the holistic actual image of wheel pair tread completely, and only need pass through each tread collector and connect together the plug of quick-operation joint, can to very big saving installation and dismantlement time, and compare in prior art, very big improvement detect the precision.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of an installation structure of an image acquisition unit of an image detection integrated system for a rail train wheel set tread provided in an embodiment of the present application;
fig. 2 is a schematic detection principle diagram of an image acquisition unit of an image detection integrated system for a rail train wheel set tread provided by an embodiment of the present application;
fig. 3 is a schematic signal connection principle diagram of an image detection integrated system for a rail train wheel set tread provided by an embodiment of the present application;
fig. 4 is an overall schematic top view of an integrated image detection system for a rail train wheel set tread provided in an embodiment of the present application.
Wherein: the method comprises the following steps of 1-an image acquisition unit, 2-a light supplementing device, 3-an analysis processing system, 4-a positioning device, 5-a vehicle receiving device, 6-a track and 7-terminal equipment.
Detailed Description
Referring to fig. 1, a schematic view of an installation structure of an image acquisition unit of an image detection integrated system for a rail train wheel set tread provided by an embodiment of the present application is shown; referring to fig. 2, a schematic diagram of a detection principle of an image acquisition unit of an image detection integrated system for a rail train wheel set tread provided by the embodiment of the present application is shown, and referring to fig. 3, a schematic diagram of a signal connection principle of an image detection integrated system for a rail train wheel set tread provided by the embodiment of the present application is shown.
In order to research and develop a detection apparatus that wheel pair tread detection accuracy is high, and easy installation, maintenance, improve detection efficiency and the rate of accuracy of wheel pair tread, guarantee the early warning ability at the trouble production initial stage, the embodiment of this application provides a rail train wheel pair tread's image detection integrated system, divide into indoor set and rail limit check out test set, wherein, the indoor set includes analytic processing system 3, rail limit check out test set sets up at the side of track 6, track 6 includes two rails, rail limit check out test set mainly includes image acquisition unit 1 and light filling device 2, follow in one side of every rail the length direction of track 6 is provided with image acquisition unit 1 with light filling device 2, light filling device 2 is used for corresponding the detection area of image acquisition unit 1 carries out the light filling.
The image acquisition unit 1 is of an integrated modular structure and integrates a plurality of tread collectors arranged along the length direction of the track 6, and the distance from the most upstream tread collector to the most downstream tread collector is not less than the circumference of a wheel to be detected, so that the tread collectors can be ensured to acquire complete image information of the wheel set tread. For example, n tread collectors are arranged, and each tread collector at least collects an actual image of 1/n part of the tread of the wheel pair.
When a rail train passes through the tread collector, the tread collector is configured to collect subimage information of the train wheel tread; the analysis processing system 3 is in signal connection with the image acquisition unit 1; the analysis processing system 3 is configured to acquire all the sub-image information, form complete 360-degree tread image information, and analyze and identify the 360-degree tread image information to extract tread state information. Specifically, after the analysis processing system 3 acquires all the sub-image information, the sub-image information is spliced to form complete 360-degree tread image information; comparing and analyzing the 360-degree tread image information with preset tread image information to obtain tread state information; the tread state information comprises fault tread information and qualified tread information.
In the in-service use process, modular design's image acquisition unit 1 can the direct mount in one side of track 6, because a plurality of tread collectors of internal integration, can detect out the holistic actual image of wheel pair tread completely, and only need link together each tread collector through the quick-connect joint plug, can to very big saving installation and dismantlement time, and compare in prior art, very big improvement detect the precision.
It should be noted that the number of tread collectors may be set in advance according to actual requirements, the number provided in the embodiment of the present application is 20, that is, the image acquisition unit 1 is provided with 20 tread collectors, each tread collector is used to acquire an actual image of a wheel set tread 1/20 position, a detection angle θ of each tread collector is 18 °, a circumference of a detection wheel is 3300mm, that is, a laying length of the 20 tread collectors is 3300mm, and specifically, the tread collectors include a surface-array camera and/or a line-array camera.
Further, in this application embodiment, mutually support image acquisition unit 1 with light filling device 2 installs the both sides at same rail, for example, image acquisition unit 1 installs the inboard at every rail, light filling device 2 installs the outside at every rail, or, image acquisition unit 1 installs the outside at every rail, light filling device 2 installs the inboard at every rail. The specific installation mode can be selected according to the actual situation of a construction site.
The light supplementing devices 2 are of an integrated modular structure and are integrated with a plurality of light supplementing sources arranged along the length direction of the track 6, and it should be noted that the number of the light supplementing sources arranged in one light supplementing device 2 is not less than the number of the tread collectors in the image collecting unit 1.
Further, as shown in fig. 4, for an overall schematic plan view of the image detection system of the wheel set tread provided in the embodiment of the present application, the rail edge detection device further includes a positioning device 4, the positioning device 4 is installed on one side of the rail 6 and configured to acquire the speed information and the position information of the train running in, specifically, the positioning device 4 includes a speed detector and a distance detector; the speed detector is used for obtaining speed information of a train, the distance detector is used for obtaining position information of the train, specifically, the speed detector can be a speed measuring radar, the distance detector can be a distance sensor, but is not limited to the speed measuring radar and the distance sensor, and can also be a wheel sensor arranged on a wheel, and the speed detector and the distance detector are set as sensing devices of the wheel sensor, so that the speed and the distance of the train can be obtained.
The positioning device 4 is in signal connection with the image acquisition unit 1 and the light supplement device 2, so that acquired vehicle speed information and position information are sent to the image acquisition unit 1 and the light supplement device 2, and the image acquisition unit 1 and the light supplement device 2 are further configured to receive the vehicle speed information and the position information and then can automatically adjust working frequency and start working.
It should be noted that, the image acquisition unit 1 and the light supplement device 2 ensure that when one tread collector is started to operate, the light supplement source at the corresponding position is started to operate by automatically adjusting the operating frequency, so as to supplement light for the detection area of the tread collector.
Further, as shown in fig. 4, the rail edge detection device further includes a train receiving device 5 in signal connection with the analysis processing system 3, where the train receiving device 5 is used to collect train number information of the train running in; specifically, the vehicle receiving device 5 may adopt a vehicle number identifier, and distinguish vehicles of different vehicle types by using vehicle number information as an identification code, that is, vehicle type information corresponding to the vehicle number information and preset tread image information are stored in the analysis processing system 3. The analysis processing system 3 is configured to receive the car number information sent by the car receiving device 5, and analyze and identify 360 ° tread image information based on the car number information to extract tread state information.
Further, as shown in fig. 3, in some embodiments of the present application, the present application further includes a terminal device 7, where the terminal device 7 is connected to the analysis processing system 3, the image acquisition unit 1, the light supplement device 2, the positioning device 4, and the vehicle receiving device 5. The terminal device 7 may be a computer or a display device with processing capabilities,
the terminal device 7 is used for receiving the tread state information sent by the analysis processing system 3 and displaying the tread state information to a user, and a vehicle inspector can check the tread state information of the train through the terminal device 7 by taking the train number information as an index, so that the fault tread information or the qualified tread information of the train wheel set tread is obtained.
According to the technical scheme, the image detection integrated system for the rail train wheel set tread comprises an image acquisition unit 1, a light supplementing device 2 and an analysis processing system 3; the track 6 comprises two steel rails, the image acquisition unit 1 and the light supplement device 2 are arranged on one side of each steel rail along the length direction of the track 6, and the light supplement device 2 is used for supplementing light to the corresponding detection area of the image acquisition unit 1; the image acquisition unit 1 is of an integrated modular structure and is integrated with a plurality of tread collectors arranged along the length direction of the track 6, and the distance from the most upstream tread collector to the most downstream tread collector is not less than the circumference of a wheel to be detected; when the rail train passes through, the tread collector is configured to collect subimage information of the train wheel tread; the analysis processing system 3 is in signal connection with the image acquisition unit 1; the analysis processing system 3 is configured to acquire all the sub-image information, form complete 360-degree tread image information, and analyze and identify the 360-degree tread image information to extract tread state information.
In the in-service use process, modular design's image acquisition unit 1 can the direct mount in one side of track 6, because a plurality of tread collectors of internal integration, can detect out the holistic actual image of wheel pair tread completely, and only need link together each tread collector through the quick-connect joint plug, can to very big saving installation and dismantlement time, and compare in prior art, very big improvement detect the precision.
The present application has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to limit the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the presently disclosed embodiments and implementations thereof without departing from the spirit and scope of the present disclosure, and these fall within the scope of the present disclosure. The protection scope of this application is subject to the appended claims.
Claims (8)
1. An image detection integrated system for a rail train wheel set tread is characterized by comprising an image acquisition unit (1), a light supplementing device (2) and an analysis processing system (3); the track (6) comprises two steel rails, the image acquisition unit (1) and the light supplement device (2) are arranged on one side of each steel rail along the length direction of the track (6), and the light supplement device (2) is used for supplementing light for a detection area of the corresponding image acquisition unit (1);
the image acquisition unit (1) is of an integrated modular structure and is integrated with a plurality of tread collectors arranged along the length direction of the track (6), and the distance from the most upstream tread collector to the most downstream tread collector is not less than the perimeter of a wheel to be detected;
when the rail train passes through, the tread collector is configured to collect subimage information of the train wheel tread; the analysis processing system (3) is in signal connection with the image acquisition unit (1); the analysis processing system (3) is configured to acquire all the sub-image information, form complete 360-degree tread image information, and analyze and identify the 360-degree tread image information to extract tread state information.
2. The integrated image detection system for the wheel-to-tread of the rail train as claimed in claim 1, wherein the image acquisition unit (1) is installed on the inner side of each steel rail, and the light supplement device (2) is installed on the outer side of each steel rail.
3. The integrated image detection system for the wheel-to-tread of the rail train as claimed in claim 1, wherein the image acquisition unit (1) is installed at the outer side of each steel rail, and the light supplement device (2) is installed at the inner side of each steel rail.
4. The integrated system for detecting the image of the wheel set tread of the rail train as claimed in any one of claims 1 to 3, wherein the supplementary lighting device (2) is of an integrated modular structure and is integrated with a plurality of supplementary lighting sources arranged along the length direction of the rail (6).
5. The integrated system for detecting the image of the wheel set tread of the rail train as claimed in claim 4, further comprising a positioning device (4), wherein the positioning device (4) is installed on one side of the rail (6) and configured to acquire the speed information and the position information of the incoming train;
the positioning device (4) is in signal connection with the image acquisition unit (1) and the light supplement device (2), and the image acquisition unit (1) and the light supplement device (2) are further configured to receive the vehicle speed information and the position information and then can automatically adjust the working frequency and start working.
6. The image detection integrated system for the wheel set tread of the rail train as claimed in claim 5, further comprising a receiving device (5) for collecting the number information of the train, wherein the receiving device (5) is in signal connection with the analysis processing system (3);
the analysis processing system (3) is also configured to receive the vehicle number information and analyze and identify the 360-degree tread image information based on the vehicle number information so as to extract the tread state information.
7. The image detection integrated system for the wheel set tread of the rail train as claimed in claim 6, further comprising a terminal device (7), wherein the terminal device (7) is connected with the analysis processing system (3), the image acquisition unit (1), the light supplement device (2), the positioning device (4) and the vehicle receiving device (5).
8. The integrated system for detecting the image of the rail train wheel set tread according to claim 1, wherein the tread collector comprises an area camera and/or a line camera.
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| CN202023304310.2U CN214565363U (en) | 2020-12-31 | 2020-12-31 | Image detection integrated system for rail train wheel set tread |
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| CN202023304310.2U CN214565363U (en) | 2020-12-31 | 2020-12-31 | Image detection integrated system for rail train wheel set tread |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114572273A (en) * | 2022-03-15 | 2022-06-03 | 南京拓控信息科技股份有限公司 | 3D image detection method for wheel set tread of railway vehicle |
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2020
- 2020-12-31 CN CN202023304310.2U patent/CN214565363U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114572273A (en) * | 2022-03-15 | 2022-06-03 | 南京拓控信息科技股份有限公司 | 3D image detection method for wheel set tread of railway vehicle |
| CN114572273B (en) * | 2022-03-15 | 2024-04-30 | 南京拓控信息科技股份有限公司 | Railway vehicle wheel set tread 3D image detection method |
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