CN217358410U - Collector shoe intrusion detection system - Google Patents
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- CN217358410U CN217358410U CN202123234254.4U CN202123234254U CN217358410U CN 217358410 U CN217358410 U CN 217358410U CN 202123234254 U CN202123234254 U CN 202123234254U CN 217358410 U CN217358410 U CN 217358410U
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- 238000001514 detection method Methods 0.000 title claims abstract description 71
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- 238000000034 method Methods 0.000 description 10
- 230000007547 defect Effects 0.000 description 9
- 230000009545 invasion Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
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Abstract
The utility model relates to a track traffic technical field specifically discloses a limit detecting system is invaded to collecting shoe, including the memory that is used for prestoring safe region's boundary world coordinate, the detection module that is used for gathering collecting shoe's actual measurement world coordinate with be used for judging whether collecting shoe invades the data processor of limit, wherein, data processor pass through the bus respectively the electricity connect in memory and detection module. The utility model provides a limit detecting system is invaded to collector shoe can effectively realize collector shoe and invade the mechanized detection of limit, and then improves detection efficiency and reduces the erroneous judgement risk.
Description
Technical Field
The utility model relates to a track traffic technical field especially relates to a limit detecting system is invaded to collecting shoe.
Background
In the third rail traffic system, three rails are arranged below trains such as electric buses, engineering vehicles and transport vehicles, two rails are walking rails, one rail is a power supply rail, a collecting shoe is convexly extended at the position, close to the power supply rail, of the bottom of the train, and the sliding block on the collecting shoe is in contact with the sliding block on the power supply rail in the process that the train moves along the walking rail, so that power supply of the train is realized.
The collector shoe needs to realize contact power taking with a power supply rail in the advancing process of a train, so the position requirement is higher:
if the position of the collector shoe is too high, the collector shoe is easy to collide with other devices on the power supply rail;
if the collector shoe is positioned too low, it is likely to collide with the ground or the like.
Therefore, the collector shoe has a safe area during the running process of the train, and when the position of the collector shoe is too high or too low, the position of the collector shoe exceeds the boundary limit (called the intrusion limit for short) of the safe area, so that the risk of collision with other objects exists.
At present, whether the position change of the collector shoe exceeds the boundary limit of a safe area or not is detected mainly by means of human eye observation, the efficiency is low, and misjudgment is easy to occur.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a limit detecting system is invaded to collecting shoe, can effectively realize collecting shoe and invade the mechanized detection of limit, and then improve detection efficiency and reduce the erroneous judgement risk.
For reaching above purpose, the utility model provides a limit detecting system is invaded to collecting shoe, including the memory that is used for prestoring safe region's boundary world coordinate, be used for gathering collecting shoe's actual measurement world coordinate's detection module and be used for judging whether collecting shoe invades the data processor of limit, wherein, data processor pass through the bus electricity respectively connect in memory and detection module.
Optionally, the detection module comprises a distance measurement camera and a laser,
the laser device is used for emitting laser to the collector shoe, and the distance measurement camera is used for receiving reflected light of the collector shoe to the laser.
Optionally, the detection module further comprises a table detection camera,
the meter inspection camera is used for collecting surface image information of the collector shoe.
Optionally, the distance measuring camera is a black and white camera, and the surface detection camera is a color camera.
Optionally, the detection modules are respectively arranged above and below the collector shoe in an inclined manner.
Optionally, the system further comprises an alarm device electrically connected with the data processor.
Optionally, the system also comprises an output device electrically connected with the data processor,
the output device is used for outputting electronic reports and/or paper reports.
The beneficial effects of the utility model reside in that: the collector shoe limit invasion detection system is characterized in that a memory is used for pre-storing boundary world coordinates of a boundary limit of a safe region, a detection module is used for collecting actual measurement world coordinates of the collector shoe in real time, and then a data processor is used for automatically judging whether the collector shoe invades the limit, so that the collector shoe limit invasion mechanical detection can be realized, the detection efficiency is improved, and the misjudgment risk is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the present embodiment or the prior art, the drawings needed to be used in the description of the embodiment or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a flowchart of a collector shoe limit intrusion detection method provided by an embodiment of the present invention;
fig. 2 is a schematic diagram of an actual measurement curve and a boundary curve when a collector shoe invades a limit provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a collector shoe intrusion detection system according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a relative position between a detection module and a collector shoe according to an embodiment of the present invention.
In the figure:
1. a secure area; 101. a boundary curve;
2. a collector shoe; 201. actually measuring a curve;
3. a data processor;
4. a memory;
5. a detection module; 501. a ranging camera; 502. a laser; 503. a surface inspection camera;
6. an alarm device;
7. and an output device.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is apparent that the embodiments described below are only some but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
The embodiment provides a collector shoe limit violation detection method, which is suitable for an application scenario of whether a collector shoe can be in good contact with a power supply rail to achieve power taking in the rail transit field, and can improve detection efficiency of the collector shoe limit violation.
Fig. 1 is a flowchart of a collector shoe intrusion detection method according to a first embodiment of the present invention.
Referring to fig. 1 and 2, the collector shoe intrusion detection method includes the following steps:
s10: boundary world coordinates of boundary boundaries of the safety region 1 are prestored.
In this embodiment, a world coordinate system may be established in a vertical plane perpendicular to the power supply rail, then boundary world coordinates of boundary boundaries of the pre-stored safety region 1 are obtained through artificial detection, and the corresponding boundary world coordinates are stored for subsequent calling.
S20: and converting the boundary world coordinates into boundary image coordinates, and drawing a boundary curve 101 according to the boundary image coordinates.
The data processor establishes an image coordinate system corresponding to the image information acquired by the detection module according to a preset algorithm, and then converts the boundary world coordinate into a boundary image coordinate through coordinate conversion.
It should be noted that the specific conversion method of world coordinates and image coordinates is prior art, and is not the key point of the present invention, and therefore is not described in detail.
S30: and collecting the actual measurement world coordinates of the collector shoe 2.
Specifically, the actual world coordinates of the collector shoe 2 may be acquired by a detection module such as a three-dimensional camera.
S40: and converting the actual measurement world coordinates into actual measurement image coordinates, and drawing an actual measurement curve 201 according to the actual measurement image coordinates.
Similarly, the specific conversion method of world coordinates and image coordinates is prior art, and is not the key point of the present invention, and therefore is not described in detail.
S50: and judging whether the collector shoe 2 invades the limit according to the position relation between the actually measured curve 201 and the boundary curve 101.
Specifically, the method comprises the following steps:
if the actually measured curve 201 is located within the boundary curve 101, judging that the collector shoe 2 does not invade the limit;
and if the actually measured curve 201 exceeds the boundary curve 101, judging the limit invasion of the collector shoe 2.
S60: and acquiring surface image information of the collector shoe 2, and analyzing the surface image information to obtain the surface defect condition of the collector shoe 2.
Optionally, the surface defect condition comprises abrasion, cracks, chipping, adhesion of foreign matters and the like.
Further, alarm information can be sent out according to the detection results of S50 and/or S60, a corresponding electronic report and/or a corresponding text report can be generated, and whether the collector shoe 2 is violated or whether surface defects exist is informed to workers.
According to the collector shoe limit intrusion detection method provided by the embodiment, firstly, the boundary curve 101 of the collector shoe 2 is made, then the actual measurement curve 201 of the collector shoe 2 is obtained, finally, the boundary curve 101 and the actual measurement curve 201 are presented on the same coordinate system, and whether the collector shoe 2 violates the limit can be judged according to the intersection condition of the actual measurement curve 201 and the boundary curve 101. Further, specific intrusion limit positions and intrusion limit amounts can be obtained through coordinate calculation.
Example two
The limit detecting system is invaded to collector shoe that this embodiment provided can be used to carry out the utility model discloses a limit detecting method is invaded to collector shoe that the embodiment provided possesses corresponding function and beneficial effect.
Referring to fig. 2 to 4, the collector shoe intrusion detection system comprises a data processor 3, wherein the data processor 3 is electrically connected with a memory 4, a detection module 5, an alarm device 6 and an output device 7 through a bus.
The memory 4 is used for pre-storing boundary world coordinates of boundary boundaries of the safety area 1. Optionally, the memory 4 is a hard disk or a usb disk.
The detection module 5 is used for acquiring the actual measurement world coordinates of the collector shoe 2 and acquiring the surface image information of the collector shoe 2.
Optionally, the detection module 5 includes a distance measurement camera 501 and a laser 502, the laser 502 is used for emitting laser to the collector shoe 2, and the distance measurement camera 501 is used for receiving reflected light of the collector shoe 2 to the laser. The distance measurement camera 501 can determine the actual measurement world coordinates of the collector shoe 2 according to the reception condition of the reflected light.
Further, the detection module 5 further includes a surface detection camera 503, and the surface detection camera 503 is used for acquiring surface image information of the collector shoe 2.
Optionally, the distance measuring camera 501 is a black-and-white camera to improve the receiving effect of the reflected light of the laser, and the surface detection camera 503 is a color camera to improve the detection accuracy of the surface defect detection.
In this embodiment, an included angle between an optical axis of each optical device in the detection module 5 and a rail plane of the traveling rail is 30 ° to 80 °, so that it can be ensured that the collector shoe 2 can be detected in the largest range.
Further, surface defect detection may also be accomplished by laser 502. The upper surface of the collector shoe 2 is in contact with a power supply rail, the upper surface of the collector shoe 2 is a convex curved surface with a certain radian, due to long-time operation, abnormal conditions of gaps and broken blocks can occur, laser is applied to the surface of the collector shoe 2, if the collector shoe 2 is normal, the curvature of the laser is basically fixed and cannot fluctuate greatly, if gaps and broken blocks exist, the laser deforms, the curvature of reflected light is calculated by extracting the reflected light, fluctuation of local curvature is judged, and therefore whether the surface of the collector shoe 2 is normal or not is judged.
The data processor 3 is configured to:
converting the boundary world coordinate into a boundary image coordinate, and drawing a boundary curve 101 according to the boundary image coordinate;
converting the actual measurement world coordinates into actual measurement image coordinates, and drawing an actual measurement curve 201 according to the actual measurement image coordinates;
judging whether the collector shoe 2 invades the limit according to the position relation between the actually measured curve 201 and the boundary curve 101;
and analyzing the surface image information to obtain the surface defect condition of the collector shoe 2.
Optionally, the data processor 3 may include a processing chip such as a CPU or a single chip.
Optionally, the detection modules 5 are respectively arranged above and below the collector shoe 2 in an oblique manner, so as to perform limit intrusion and surface defect detection on the upper surface and the lower surface of the collector shoe 2.
Further, two detection modules 5 are respectively arranged on the left collector shoe 2 and the right collector shoe 2, that is, a total of four detection modules 5 are arranged in the collector shoe limit intrusion detection system.
Optionally, the alarm device 6 is a warning light or a buzzer. And when the invasion limit or the surface defect occurs, warning information is sent out to remind a worker to process.
The output device 7 is used for outputting an electronic report and/or a paper report of limit intrusion detection and/or surface defect detection for review.
Further, when the train passes through the collector shoe intrusion detection system at a certain speed, when the approach of the collector shoe 2 is detected by using infrared induction, the collector shoe 2 appears in the laser scanning range of the detection module 5, the laser 502 is triggered to carry out rapid scanning, the three-dimensional data of each frame of the collector shoe 2 is extracted, the three-dimensional data is converted into a space coordinate system of the center of the rail plane and is compared with the pre-stored collector shoe 2 limit, and if the boundary is out of range, an audible and visual alarm is given out through the alarm device 6.
The collector shoe intrusion detection system provided by this embodiment first makes the boundary curve 101 of the collector shoe 2, then obtains the actual measurement curve 201 of the collector shoe 2, and finally presents both the boundary curve 101 and the actual measurement curve 201 on the same coordinate system, and can determine whether the collector shoe 2 intrudes into the limit according to the intersection condition of the actual measurement curve 201 and the boundary curve 101. Further, specific intrusion limit positions and intrusion limit amounts can be obtained through coordinate calculation.
According to the collector shoe limit intrusion detection system provided by the embodiment, the boundary world coordinates of the boundary of the safe region are prestored by using the memory, the actually measured world coordinates of the collector shoe are acquired in real time by using the detection module, and then whether the collector shoe intrudes into the limit or not is automatically judged by the data processor, so that the collector shoe limit intrusion mechanical detection can be realized, the detection efficiency is improved, and the misjudgment risk is reduced.
In the embodiments provided in the present application, it should be understood that the disclosed system, unit, apparatus and method may be implemented in other ways. For example, all the embodiments described above are merely illustrative, and for example, the division of the above units or modules is only one logical function division, and there may be other divisions when the actual implementation is performed, for example, a plurality of units, modules and components may be combined or integrated into another system, or some features may be omitted or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a computer-readable storage medium and includes instructions for causing a terminal device (which may be a mobile phone, a notebook, or other electronic device) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (4)
1. The collector shoe intrusion detection system is characterized by comprising a memory, a detection module and a data processor, wherein the memory is used for prestoring boundary world coordinates of a boundary of a safe region, the detection module is used for acquiring actual world coordinates of the collector shoe, and the data processor is used for judging whether the collector shoe intrudes into the limit or not, and the data processor is respectively and electrically connected with the memory and the detection module through a bus;
the detection module comprises a distance measurement camera and a laser,
the laser is used for emitting laser to the collector shoe, and the ranging camera is used for receiving reflected light of the collector shoe to the laser;
the detection module also comprises a meter detection camera,
the surface detection camera is used for acquiring surface image information of the collector shoe;
the distance measurement camera is a black and white camera, and the surface detection camera is a color camera.
2. The collector shoe intrusion detection system according to claim 1, wherein the detection module is arranged obliquely above and obliquely below the collector shoe.
3. The collector shoe intrusion detection system of claim 1, further comprising an alarm device electrically connected to the data processor.
4. The collector shoe intrusion detection system of claim 1, further comprising an output device electrically connected to the data processor,
the output device is used for outputting electronic reports and/or paper reports.
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| CN202123234254.4U CN217358410U (en) | 2021-12-20 | 2021-12-20 | Collector shoe intrusion detection system |
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| CN202123234254.4U CN217358410U (en) | 2021-12-20 | 2021-12-20 | Collector shoe intrusion detection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114413752A (en) * | 2021-12-20 | 2022-04-29 | 东莞市诺丽电子科技有限公司 | Collector shoe intrusion detection method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413752A (en) * | 2021-12-20 | 2022-04-29 | 东莞市诺丽电子科技有限公司 | Collector shoe intrusion detection method and system |
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Address after: No. 10, Wansheng Road, Wanjiang Street, Dongguan, Guangdong 523000 Patentee after: Dongguan Nuoli Technology Co.,Ltd. Address before: 3 / F, building 10, Wanhong village, Wanjiang community, Wanjiang District, Dongguan City, Guangdong Province, 523039 Patentee before: DONGGUAN NANNAR ELECTRONICS TECHNOLOGY Co.,Ltd. |