CN111398306A - Urban rail transit operation comprehensive detection system - Google Patents

Urban rail transit operation comprehensive detection system Download PDF

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Publication number
CN111398306A
CN111398306A CN202010192980.5A CN202010192980A CN111398306A CN 111398306 A CN111398306 A CN 111398306A CN 202010192980 A CN202010192980 A CN 202010192980A CN 111398306 A CN111398306 A CN 111398306A
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China
Prior art keywords
detection module
rail
detection
track
tunnel
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CN202010192980.5A
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Chinese (zh)
Inventor
罗文成
杜高峰
胡沛伟
林建辉
王永中
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Changzhou Luhang Railway Transportation Technology Co ltd
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Kunshan High New Track Traffic Intelligent Equipment Co ltd
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Publication of CN111398306A publication Critical patent/CN111398306A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/9515Objects of complex shape, e.g. examined with use of a surface follower device
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
    • G01B11/0608Height gauges
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/14Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/16Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/24Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/0096Radiation pyrometry, e.g. infrared or optical thermometry for measuring wires, electrical contacts or electronic systems
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1218Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using optical methods; using charged particle, e.g. electron, beams or X-rays

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

The invention discloses an urban rail transit operation comprehensive detection system, which comprises: the system comprises a track intelligent inspection module, a track net detection module, a tunnel detection module and a bow net detection module; wherein, the module is used for detecting orbital visual disease to track intelligence inspection, rail net detection module is used for detecting the physical deformation and the wearing and tearing of rail, tunnel detection module is used for scanning the formation of image to the tunnel state, bow net detection module is used for carrying out the anomaly detection to contact net and pantograph. Like this, in a vehicle of patrolling and examining, integrated the detection of the visual disease of track, the detection of rail deformation, the detection in tunnel and the detection of bow net, improved the detection efficiency of railway, reduced the cost of labor simultaneously and equipped the cost of over repairing.

Description

Urban rail transit operation comprehensive detection system
Technical Field
The invention relates to the field of railway detection, in particular to an urban rail transit operation comprehensive detection system.
Background
With the increasing expansion of modern construction, the construction of rail transit is flourishing day by day. The rail transit mainly comprises railways, and in order to ensure the safety of running vehicles, the railway tracks need to be periodically detected and maintained. The main detection comprises track detection, tunnel detection and bow net detection.
At present, the detection and maintenance of the track, the tunnel and the bow net of the track traffic adopt the manual mode and the traditional mode of a single inspection vehicle (namely, the vehicle which can only carry out a certain detection independently) for detection. The mode is low in working efficiency, and a large amount of labor cost and equipment overhauled cost are increased.
Disclosure of Invention
The invention aims to provide an urban rail transit operation comprehensive detection system, which realizes integration of various detection items and improves the detection efficiency of railways.
In order to achieve the purpose, the invention provides the following technical scheme: an urban rail transit operation comprehensive detection system comprises: the system comprises a track intelligent inspection module, a track net detection module, a tunnel detection module and a bow net detection module;
the intelligent track inspection module is used for detecting visible diseases of the track;
the rail net detection module is used for detecting physical deformation and abrasion of the steel rail;
the tunnel detection module is used for scanning and imaging the tunnel state;
the pantograph-catenary detection module is used for carrying out abnormity detection on the contact catenary and the pantograph.
Optionally, the track intelligent inspection module is used for detecting the visual diseases of the track and specifically includes:
the intelligent track inspection module shoots the video data of the track road condition in front of or behind the vehicle through the driving camera;
and the track intelligent inspection module analyzes the visual diseases in the track according to the video data.
Optionally, the visual disease includes: foreign bodies on the track bed, bounce loss, bolt loosening and steel rail stripping and chipping.
Optionally, the rail network detection module is used for detecting physical deformation of the steel rail and specifically includes:
the rail network detection module finishes the acquisition of the profiles of the inner side sections of the left and right steel rails through two-dimensional laser digital sensors to obtain two-dimensional coordinate data, and calculates by using the obtained two-dimensional coordinate data to obtain a rail gauge;
the rail network detection module takes a rail detection beam on a rail-road dual-purpose vehicle as a mass block, takes left and right high and low acceleration sensors as inertial measurement references, and combines two-dimensional coordinate data acquired by the two-dimensional laser sensors to perform compensation correction so as to calculate the left high distance and the right high distance of the rail;
and the rail network detection module analyzes the physical deformation of the steel rail through the calculated gauge, the left height gauge of the rail and the right height gauge of the rail.
Optionally, the rail mesh detection module is used for detecting the wear of the steel rail and specifically includes:
the rail network detection module projects a light plane perpendicular to the longitudinal axis direction of the steel rail to the inner side of the steel rail through the two-dimensional laser digital sensor, so that a measurement light bar is formed on the surface of the steel rail, and measurement coordinates of the measurement light bar under the light plane system are obtained.
And the rail network detection module maps the coordinates of the standard template profile of the steel rail to the measurement coordinates, so that the vertical and side wear values of the steel rail are obtained through comparison and calculation.
Optionally, the tunnel detection module is configured to scan and image a tunnel state, and specifically includes:
the tunnel detection module emits laser through a laser scanner and scans the full section of the tunnel in a spiral line mode;
and the tunnel detection module acquires influence information of the inner surface of the tunnel lining according to the intensity of the transmitted and received laser signals and forms an image.
Optionally, the tunnel detection module is further configured to perform tunnel defect detection according to the formed image.
Optionally, the pantograph-catenary detection module is configured to perform anomaly detection on the contact catenary and the pantograph specifically including:
the pantograph-catenary detection module detects geometric parameters of a guide height value, a pull-out value, a line spacing and a wear value of a catenary through a digital laser assembly;
the bow net detection module detects bow net arcing information through an ultraviolet photon counter and an ultraviolet camera;
the pantograph-catenary detection module detects the operating temperature distribution state of the pantograph through an infrared camera;
and the pantograph-catenary detection module analyzes the abnormal conditions of the catenary and the pantograph according to the detected geometric parameters of the catenary, pantograph-catenary arcing information and the temperature distribution state of the pantograph.
Optionally, the bow net arcing information includes: duration of arcing, arcing rate, and arcing size.
Optionally, its characterized in that, at least one module in track intelligence module, rail net detection module, tunnel detection module and bow net detection module of patrolling and examining possesses the locate function.
In the scheme of the invention, the comprehensive detection system for urban rail transit operation comprises: the system comprises a track intelligent inspection module, a track net detection module, a tunnel detection module and a bow net detection module; wherein, the module is used for detecting orbital visual disease to track intelligence inspection, rail net detection module is used for detecting the physical deformation and the wearing and tearing of rail, tunnel detection module is used for scanning the formation of image to the tunnel state, bow net detection module is used for carrying out the anomaly detection to contact net and pantograph. Like this, in a vehicle of patrolling and examining, integrated the detection of the visual disease of track, the detection of rail deformation, the detection in tunnel and the detection of bow net, improved the detection efficiency of two ways of public railway, reduced the cost of labor simultaneously and equipped the cost of repairing excessively.
Drawings
FIG. 1 is a schematic diagram of an intelligent inspection system for a convertible vehicle for road and railway in accordance with the present invention;
FIG. 2 is a schematic diagram of the operation of the intelligent track inspection module according to the present invention;
FIG. 3 is a schematic diagram of the operation of the rail network detection module of the present invention;
FIG. 4 is another schematic diagram of the operation of the rail network inspection module of the present invention;
FIG. 5 is a diagram illustrating the detailed operation of the tunnel detection module according to the present invention;
fig. 6 is a schematic diagram of the detailed operation of the bow net detection module of the present invention.
Detailed Description
In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for explaining relative positional relationships between the respective members or components, and do not particularly limit specific mounting orientations of the respective members or components.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In addition, the structures, the proportions, the sizes, and the like, which are illustrated in the accompanying drawings, are intended to be included within the scope of the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the claims, but rather by the claims, and all changes in the structures, the proportions, and the sizes, which are included in the disclosure, are intended to be encompassed within the scope of the present disclosure, without affecting the efficacy and attainment of the same.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides an urban rail transit operation comprehensive detection system, which includes: the system comprises a track intelligent inspection module 101, a track network detection module 102, a tunnel detection module 103 and a bow network detection module 104;
the intelligent track inspection module 101 is used for detecting visible diseases of the track;
the rail network detection module 102 is used for detecting physical deformation and abrasion of the steel rail;
the tunnel detection module 103 is configured to perform scanning imaging on a tunnel state;
the pantograph detection module 104 is configured to detect an anomaly of the contact net and the pantograph.
In the scheme of the invention, the intelligent detection system is applied to a highway and railway inspection vehicle, and meanwhile, related detection equipment of a track intelligent inspection module 101, a rail network detection module 102, a tunnel detection module 103 and a pantograph network detection module 104 is arranged in the vehicle, so that the vehicle has the functions of detecting visual defects of a track, detecting physical deformation and abrasion of a steel rail, scanning and imaging a tunnel and detecting abnormal states of pantograph networks (a contact network and a pantograph). Therefore, the detection efficiency of the two road roads of the highway and the railway is improved, and meanwhile, the labor cost and the repair cost of equipment are reduced.
The following is a detailed description of the implementation of the corresponding function of each module:
the track intelligent inspection module 101 is used for detecting visual diseases of the track and specifically comprises the following steps:
201. the intelligent track inspection module shoots the video data of the track road condition in front of or behind the vehicle through the driving camera;
the intelligent track inspection module comprises a driving camera installed on a road-rail dual-purpose vehicle, the driving camera can be installed in the front of the vehicle and also can be installed at the rear of the vehicle, or the driving camera is installed at the front and the rear of the vehicle, so that the vehicle can shoot video data of the road conditions of the track in front of the vehicle or behind the vehicle in real time through the driving camera in the driving process.
202. And the track intelligent inspection module analyzes the visual diseases in the track according to the video data.
After the video data of the track road condition is shot, intelligent analysis can be carried out through the road condition sample collected in advance and the video data, so that the visual diseases existing in the track can be analyzed, and the visual diseases include but are not limited to foreign matters on a track bed, bounce loss, bolt loosening and steel rail stripping and chipping.
The rail network detection module 102 is configured to detect physical deformation of a steel rail, and specifically includes:
301. the rail network detection module finishes the acquisition of the profiles of the inner side sections of the left and right steel rails through two-dimensional laser digital sensors to obtain two-dimensional coordinate data, and calculates by using the obtained two-dimensional coordinate data to obtain a rail gauge;
302. the rail network detection module takes a rail detection beam on a rail-road dual-purpose vehicle as a mass block, takes left and right high and low acceleration sensors as inertial measurement references, and combines two-dimensional coordinate data acquired by the two-dimensional laser sensors to perform compensation correction so as to calculate the left high distance and the right high distance of the rail;
303. and the rail network detection module analyzes the physical deformation of the steel rail through the calculated gauge, the left height gauge of the rail and the right height gauge of the rail.
The rail mesh detection module 102 is used for detecting the abrasion of the steel rail and specifically comprises:
401. the rail network detection module projects a light plane perpendicular to the longitudinal axis direction of the steel rail to the inner side of the steel rail through the two-dimensional laser digital sensor, so that a measurement light bar is formed on the surface of the steel rail, and measurement coordinates of the measurement light bar under the light plane system are obtained;
402. and the rail network detection module maps the coordinates of the standard template profile of the steel rail to the measurement coordinates, so that the vertical and side wear values of the steel rail are obtained through comparison and calculation.
The tunnel detection module 103 is configured to perform scanning imaging on a tunnel state, and specifically includes:
501. the tunnel detection module emits laser through a laser scanner and scans the full section of the tunnel in a spiral line mode;
502. and the tunnel detection module acquires influence information of the inner surface of the tunnel lining according to the intensity of the transmitted and received laser signals and forms an image.
Optionally, the tunnel detection module is further configured to perform tunnel defect detection according to the formed image.
The pantograph detection module 104 is used for detecting the abnormality of the contact net and the pantograph, and specifically comprises:
601. the pantograph-catenary detection module detects geometric parameters of a guide height value, a pull-out value, a line spacing and a wear value of a catenary through a digital laser assembly;
602. the bow net detection module detects bow net arcing information through an ultraviolet photon counter and an ultraviolet camera;
the bow net arcing information comprises: duration of arcing, arcing rate, and arcing size.
603. The pantograph-catenary detection module detects the operating temperature distribution state of the pantograph through an infrared camera;
604. and the pantograph-catenary detection module analyzes the abnormal conditions of the catenary and the pantograph according to the detected geometric parameters of the catenary, pantograph-catenary arcing information and the temperature distribution state of the pantograph.
Optionally, at least one of the track intelligent inspection module 101, the track network detection module 102, the tunnel detection module 103, and the bow network detection module 104 has a positioning function. The device for implementing the Positioning function may be a Global Positioning System (GPS) device, or may be other devices with a Positioning function, and the present application is not limited specifically.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides an urban rail transit operation comprehensive testing system which characterized in that includes: the system comprises a track intelligent inspection module, a track net detection module, a tunnel detection module and a bow net detection module;
the intelligent track inspection module is used for detecting visible diseases of the track;
the rail net detection module is used for detecting physical deformation and abrasion of the steel rail;
the tunnel detection module is used for scanning and imaging the tunnel state;
the pantograph-catenary detection module is used for carrying out abnormity detection on the contact catenary and the pantograph.
2. The intelligent detection system according to claim 1, wherein the track intelligent inspection module is used for detecting visible diseases of the track and specifically comprises:
the intelligent track inspection module shoots the video data of the track road condition in front of or behind the vehicle through the driving camera;
and the track intelligent inspection module analyzes the visual diseases in the track according to the video data.
3. The intelligent detection system of claim 2, wherein the visual impairment comprises: foreign bodies on the track bed, bounce loss, bolt loosening and steel rail stripping and chipping.
4. The intelligent detection system of claim 1, wherein the rail network detection module is configured to detect physical deformation of a steel rail, and specifically comprises:
the rail network detection module finishes the acquisition of the profiles of the inner side sections of the left and right steel rails through two-dimensional laser digital sensors to obtain two-dimensional coordinate data, and calculates by using the obtained two-dimensional coordinate data to obtain a rail gauge;
the rail network detection module takes a rail detection beam on a rail-road dual-purpose vehicle as a mass block, takes left and right high and low acceleration sensors as inertial measurement references, and combines two-dimensional coordinate data acquired by the two-dimensional laser sensors to perform compensation correction so as to calculate the left high distance and the right high distance of the rail;
and the rail network detection module analyzes the physical deformation of the steel rail through the calculated gauge, the left height gauge of the rail and the right height gauge of the rail.
5. The intelligent detection system of claim 4, wherein the rail mesh detection module is configured to detect wear of a steel rail and specifically comprises:
the rail network detection module projects a light plane perpendicular to the longitudinal axis direction of the steel rail to the inner side of the steel rail through the two-dimensional laser digital sensor, so that a measurement light bar is formed on the surface of the steel rail, and measurement coordinates of the measurement light bar under the light plane system are obtained.
And the rail network detection module maps the coordinates of the standard template profile of the steel rail to the measurement coordinates, so that the vertical and side wear values of the steel rail are obtained through comparison and calculation.
6. The intelligent detection system according to claim 1, wherein the tunnel detection module is configured to scan and image a tunnel state, and specifically includes:
the tunnel detection module emits laser through a laser scanner and scans the full section of the tunnel in a spiral line mode;
and the tunnel detection module acquires influence information of the inner surface of the tunnel lining according to the intensity of the transmitted and received laser signals and forms an image.
7. The intelligent detection system according to claim 6, wherein the tunnel detection module is further configured to perform tunnel defect detection according to the formed image.
8. The smart detection system of claim 1, wherein the pantograph detection module is configured to detect anomalies in the contact network and the pantograph, and specifically comprises:
the pantograph-catenary detection module detects geometric parameters of a guide height value, a pull-out value, a line spacing and a wear value of a catenary through a digital laser assembly;
the bow net detection module detects bow net arcing information through an ultraviolet photon counter and an ultraviolet camera;
the pantograph-catenary detection module detects the operating temperature distribution state of the pantograph through an infrared camera;
and the pantograph-catenary detection module analyzes the abnormal conditions of the catenary and the pantograph according to the detected geometric parameters of the catenary, pantograph-catenary arcing information and the temperature distribution state of the pantograph.
9. The intelligent detection system of claim 8, wherein the bow net arcing information comprises: duration of arcing, arcing rate, and arcing size.
10. The intelligent detection system according to any one of claims 1 to 9, wherein at least one of the track intelligent inspection module, the rail net detection module, the tunnel detection module and the bow net detection module has a positioning function.
CN202010192980.5A 2019-12-28 2020-03-18 Urban rail transit operation comprehensive detection system Pending CN111398306A (en)

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CN113085949A (en) * 2021-06-09 2021-07-09 成都国铁电气设备有限公司 Network rail tunnel comprehensive detection system and method capable of actively detecting
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CN112834879A (en) * 2021-01-05 2021-05-25 株洲中车时代电气股份有限公司 Detection device and detection method for bow net arcing
CN113085949A (en) * 2021-06-09 2021-07-09 成都国铁电气设备有限公司 Network rail tunnel comprehensive detection system and method capable of actively detecting
CN113104063A (en) * 2021-06-09 2021-07-13 成都国铁电气设备有限公司 Comprehensive detection system and method for network rail tunnel
CN113232692A (en) * 2021-06-09 2021-08-10 成都国铁电气设备有限公司 Simultaneous time-space-same section net rail tunnel comprehensive detection system
CN115598145A (en) * 2022-10-14 2023-01-13 上饶市中帆金属有限公司(Cn) Copper magnesium alloy contact wire abrasion detection device
CN117036366A (en) * 2023-10-10 2023-11-10 克伦斯(天津)轨道交通技术有限公司 Railway bow net detection method, device, equipment and medium based on image processing
CN117036366B (en) * 2023-10-10 2024-01-02 克伦斯(天津)轨道交通技术有限公司 Railway bow net detection method, device, equipment and medium based on image processing

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