CN110341748B - Image shooting system for locomotive signal receiving coil - Google Patents
Image shooting system for locomotive signal receiving coil Download PDFInfo
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- CN110341748B CN110341748B CN201910735217.XA CN201910735217A CN110341748B CN 110341748 B CN110341748 B CN 110341748B CN 201910735217 A CN201910735217 A CN 201910735217A CN 110341748 B CN110341748 B CN 110341748B
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 112
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000006698 induction Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 239000011159 matrix material Substances 0.000 description 1
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Classifications
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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
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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 trains
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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 trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/021—Measuring and recording of train speed
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/45—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
A locomotive signal receiving coil image shooting system relates to a locomotive image shooting technology and aims to solve the problems that an existing locomotive signal receiving coil firmness detection method installed at a position right above a rail at the bottom of a locomotive is low in efficiency and poor in reliability. The two groups of shooting points are arranged at the rail; the wheel sensor is used for acquiring the speed information and the wheelbase information of the locomotive, and ensuring that the locomotive passes through the shooting point after passing through the wheel sensor preferentially; acquiring the vehicle model of the locomotive and the specific position of a locomotive signal receiving coil according to the wheelbase information; the cameras of the first camera group and the second camera group are arranged on two sides of each steel rail, and the distance between the first camera group and the second camera group is not less than 0.3 meter; the camera lens of each group of shooting points is upward, and when the locomotive signal receiving coil is positioned between the first camera group and the second camera group, each camera shoots; the camera is positioned in the cab signal receiving coil shooting box. The beneficial effects are that detection efficiency is high, and the position is all-round.
Description
Technical Field
The invention relates to a locomotive image shooting technology.
Background
At present, a locomotive signal receiving coil arranged at the bottom of a locomotive is used for fixing a machine induction coil, so that the machine induction coil is prevented from falling off or shifting; because the position of the machine induction coil is right above the rail at the bottom of the locomotive, the locomotive signal receiving coil is fixed at the bottom of the locomotive and is right above the rail; the firmness detection work of the locomotive signal receiving coil is still completed in a workshop working area by a detector, the detection means completely depends on the fact that the detector uses a video flashlight locomotive signal receiving coil to shoot so as to form video data, whether bolts of the locomotive signal receiving coil are loosened or fall off is judged according to the video data, or the detector can visually and directly judge the firmness of the locomotive signal receiving coil, and the detection methods and means are all classified as manual detection; however, because the cab signal receiving coil is positioned at the bottom of the locomotive and is positioned right above the rail, manual detection requires operators to climb into the bottom of the locomotive, so that the manual detection has low detection efficiency and poor safety performance, and the manual detection completely depends on the responsibility of the operators, so that the reliability is poor.
Disclosure of Invention
The invention aims to solve the problems of low efficiency and poor reliability of the existing method for detecting the firmness of a cab signal receiving coil arranged at the position right above a rail at the bottom of a locomotive, and provides an image shooting system of the cab signal receiving coil.
The invention relates to a locomotive signal receiving coil image shooting system, which comprises a wheel sensor, a locomotive signal receiving coil shooting box and two groups of shooting points, wherein the wheel sensor is connected with the locomotive signal receiving coil shooting box;
the wheel sensors are arranged on the side walls of the rails to acquire the speed information and the wheelbase information of the locomotive, and ensure that the locomotive passes through the shooting points after passing through the wheel sensors preferentially;
acquiring the vehicle model of the locomotive and the specific position of a locomotive signal receiving coil according to the wheelbase information;
each group of shooting points comprises a first camera group and a second camera group, the cameras of the first camera group and the second camera group are arranged on two sides of each steel rail, and the distance between the first camera group and the second camera group is not less than 0.3 meter;
the camera lens of each group of shooting points is upward, and when the locomotive signal receiving coil is positioned between the first camera group and the second camera group, each camera shoots;
the cameras are respectively positioned in the locomotive signal receiving coil shooting boxes.
The working principle of the invention is as follows: the invention is arranged on a train warehousing route so as to automatically detect the firmness of a locomotive signal receiving coil of a locomotive, when wheels of the locomotive firstly roll wheel sensors on rails of the locomotive, the speed information and the wheelbase information of the locomotive are obtained, the model of the detected train is determined by comparing the wheelbase information with a standard wheelbase information comparison table, and whether the detected train belongs to the detected type is determined according to the model of the train; if the model of the train to be tested does not belong to the type to be tested, the shooting system does not detect the train at the time; if the model of the tested train belongs to the type to be tested, namely the tested train is a locomotive, a wheel sensor calculates the moment when a locomotive bottom locomotive signal receiving coil reaches the center of each group of shooting points of a rectangle according to the speed information and the distance between the wheel sensor and the center of each group of shooting points, and simultaneously determines the time difference when two locomotive signal receiving coils adjacent front and back reach the center of each group of shooting points according to the speed information, the wheel base information and the distribution positions of the locomotive signal receiving coils, and sends the moment information and the time difference information to a camera in a locomotive signal receiving coil shooting box in the form of shooting command signals, and the camera in the locomotive signal receiving coil shooting box determines the shooting starting moment and the shooting time difference according to the shooting command signals; and judging whether the surface of the locomotive signal receiving coil is damaged or not and whether the fixing bolt is lost or loosened or not according to the images shot by the cameras in the four locomotive signal receiving coil shooting boxes of each group of shooting points.
The invention has the advantages that the locomotive signal receiving coil at the bottom of the locomotive is detected by means of the image shot by the camera, and because the locomotive signal receiving coil shooting box is buried, an operator is not required to climb into the bottom of the locomotive, the accurate moment when the locomotive signal receiving coil reaches the center of the matrix is accurately obtained through the wheel sensor, the detection efficiency is high, the detection accuracy is good, the safety performance is good, and each group of shooting points acquires the full view of the locomotive signal receiving coil in a combined mode, and the detection effect is good and the reliability is high; the images shot by the camera in the locomotive signal receiving coil shooting box can be color images, gray level images or high-definition images, so that the images are convenient for inspection by inspection staff and automatic identification.
The invention is suitable for shooting the appearance image of the locomotive signal receiving coil at the bottom of the locomotive and the fixing bolt image of the locomotive signal receiving coil.
Drawings
Fig. 1 is a schematic diagram of a position structure of a cab signal receiving coil image capturing system according to an embodiment.
Detailed Description
The first embodiment is as follows: referring to fig. 1, a cab signal receiving coil image capturing system according to the present embodiment includes a wheel sensor 3, a cab signal receiving coil capturing box 4, and two sets of capturing points;
the wheel sensor 3 is arranged on the side wall of the rail 2 to acquire the speed information and the wheelbase information of the locomotive, and ensure that the locomotive passes through the shooting point after passing through the wheel sensor 3 preferentially;
acquiring the vehicle model of the locomotive and the specific position of a locomotive signal receiving coil according to the wheelbase information;
each group of shooting points comprises a first camera group and a second camera group, the cameras of the first camera group and the second camera group are arranged on two sides of each steel rail, and the distance between the first camera group and the second camera group is not less than 0.3 meter;
the camera lens of each group of shooting points is upward, and when the locomotive signal receiving coil is positioned between the first camera group and the second camera group, each camera shoots;
the cameras are respectively positioned in the cab signal receiving coil shooting boxes 4.
The image shooting system of the cab signal receiving coil is arranged on a train warehousing route, so that the firmness of the cab signal receiving coil of the locomotive is automatically detected, when the wheels of the locomotive firstly grind the wheel sensors 3 on the rails 2 of the locomotive, the wheel sensors 3 are a pair of sensors, the speed information and the wheelbase information of the train are acquired according to the pair of sensors, the model of the detected train is determined according to the wheelbase information and a standard wheelbase information comparison table, the model comprises a truck, a passenger car, a locomotive and a motor car, in the embodiment, only the locomotive is detected, whether the detected train belongs to the detected type is determined according to the model of the train, and the specific position of the cab signal receiving coil is determined (namely, the position of the cab signal receiving coil which needs to be shot by a camera in the cab signal receiving coil shooting box 4 of the locomotive is determined, no matter what the locomotive signal receiving coil belongs to the specific position of the locomotive just above the rails at the bottom of the train, and after the model of the locomotive is acquired according to the wheelbase information, the specific position of the cab signal receiving coil of the locomotive is positioned, for example, the locomotive is positioned between a first axle and a final axle or a final head; if the model of the train to be tested does not belong to the type to be tested, the wheel sensor 3 does not send out an instruction; if the model of the tested train belongs to the type to be tested, namely the tested train is a locomotive, the wheel sensor 3 calculates the moment when a locomotive bottom locomotive signal receiving coil reaches the center of each group of shooting points according to the speed information and the distance between the wheel sensor 3 and the center of each group of shooting points, and simultaneously determines the time difference when two locomotive signal receiving coils adjacent front and back reach the rectangular center position according to the speed information, the wheel base information and the distribution position of the locomotive signal receiving coils, and sends the moment information and the time difference information to a camera in a locomotive signal receiving coil shooting box 4 in the form of shooting command signals, and the camera in the locomotive signal receiving coil shooting box 4 determines the moment and the shooting time difference for starting shooting according to the shooting command signals; and judging whether the locomotive signal receiving coils are firm or not and whether the fixing bolts are loose or not according to the images shot by the cameras in the locomotive signal receiving coil shooting boxes 4 of the four locomotive signal receiving coils of each group of shooting points.
The specific calculation formula for calculating the moment when the locomotive signal receiving coil at the bottom of the locomotive reaches the center of each group of shooting points according to the vehicle speed information and the distance between the wheel sensor 3 and the center of each group of shooting points is as follows:
wherein T is 1 At the moment when the wheel sensor 3 is first crushed for the first row of wheels of the train to be tested, T 2 H, for installing the moment when the locomotive signal receiving coil at the bottom of the tested train reaches the center of each group of shooting points 1 H is the distance between the wheel sensor 3 and the center of each group of shooting points 2 For the distance (h) between the cab signal receiving coil arranged at the bottom of the train to be tested and the axle center of the wheels of the first row 2 And v is the speed information of the train obtained by the wheel base information and the specific position of the locomotive signal receiving coil obtained by comparing the wheel base information with a standard wheel base information comparison table.
The calculation formula of the time interval of each shooting of the camera in the locomotive signal receiving coil shooting box 4 is as follows:
wherein t is the time interval of each shooting of the camera in the locomotive signal receiving coil shooting box 4, h 3 For the distance (h) between the front and rear adjacent cab signal receiving coils 3 And determining the distribution position of the cab signal receiving coils obtained by comparing the wheelbase information with a standard wheelbase information comparison table.
In the present embodiment, the images captured by the combination of cameras can be captured in an omnidirectional and accurate manner, and the images do not need to be captured all the time.
The second embodiment is as follows: the present embodiment is further defined by the cab signal receiving coil image capturing system according to the first embodiment, wherein the camera is a line camera, a 3D camera or an area camera.
And a third specific embodiment: the present embodiment is further defined by the cab signal receiving coil image capturing system according to the first embodiment, wherein the camera is provided with a compensation light source and a camera protection device.
The specific embodiment IV is as follows: the present embodiment is further defined by the cab signal receiving coil image capturing system according to the first embodiment, wherein the cab signal receiving coil capturing box 4 is provided with a sliding door and a sliding door control device;
the sliding door control device comprises a motor, a motor mounting seat, a transmission mechanism and a guide rail;
the guide rail is arranged at the open end of the top of the locomotive signal receiving coil shooting box 4; the translation door slides along the guide rail to realize the opening and closing conversion of the opening end of the locomotive signal receiving coil shooting box 4;
the motor is fixed in the locomotive signal receiving coil shooting box 4 through a motor mounting seat, and the rotation shaft of the motor controls the translation door to move through a transmission mechanism;
the rotation signal output end of the wheel sensor 3 is connected with the rotation signal input end of the motor.
In this embodiment, the sliding door is blocked at the top opening end of the cab signal receiving coil shooting box 4, the sliding door control device opens the sliding door after receiving the rotation signal sent by the wheel sensor 3, the camera inside the sliding door starts shooting, and the sliding door returns to the initial blocking state at the opening end of the cab signal receiving coil shooting box 4 after shooting is completed, so as to realize the protection of the camera inside the cab signal receiving coil shooting box 4.
Claims (4)
1. The image shooting system of the cab signal receiving coil is characterized by comprising a wheel sensor (3), a cab signal receiving coil shooting box (4) and two groups of shooting points;
the wheel sensor (3) is arranged on the side wall of the rail (2) to acquire the speed information and the wheelbase information of the locomotive, and ensure that the locomotive passes through the shooting point after passing through the wheel sensor (3) preferentially;
acquiring the vehicle model of the locomotive and the specific position of a locomotive signal receiving coil according to the wheelbase information;
each group of shooting points comprises a first camera group and a second camera group, the cameras of the first camera group and the second camera group are arranged on two sides of each steel rail, and the distance between the first camera group and the second camera group is not less than 0.3 meter;
the camera lens of each group of shooting points is upward, and when the locomotive signal receiving coil is positioned between the first camera group and the second camera group, each camera shoots;
the cameras are respectively positioned in the locomotive signal receiving coil shooting boxes (4);
the shooting system is arranged on a train warehousing route so as to automatically detect the firmness of a locomotive signal receiving coil of a locomotive, when wheels of the locomotive roll wheel sensors (3) on rails (2), speed information and wheelbase information of the train are obtained, the wheelbase information is compared with a standard wheelbase information comparison table according to the wheelbase information, the model of the detected train is determined, and whether the detected train belongs to the detected type is determined according to the model of the train; if the model of the train to be tested does not belong to the type to be tested, the shooting system does not detect the train at the time; if the model of the tested train belongs to the type to be tested, namely the tested train is a locomotive, a wheel sensor (3) calculates the moment when a locomotive signal receiving coil at the bottom of the locomotive reaches the center of each group of shooting points of a rectangle according to the speed information and the distance between the wheel sensor (3) and the center of each group of shooting points, and simultaneously determines the time difference when two locomotive signal receiving coils adjacent front and back reach the center of each group of shooting points according to the speed information, the wheel base information and the distribution position of the locomotive signal receiving coils, and sends the moment information and the time difference information to a camera in a locomotive signal receiving coil shooting box (4) in the form of shooting command signals, and the camera in the locomotive signal receiving coil shooting box (4) determines the moment and the shooting time difference of starting shooting according to the shooting command signals; and judging whether the surface of the locomotive signal receiving coil is damaged or not and whether the fixing bolt is lost or loosened or not according to the combination of images shot by cameras in four locomotive signal receiving coil shooting boxes (4) of each group of shooting points.
2. The cab signal receiving coil image capturing system of claim 1, wherein the camera is a line camera, a 3D camera, or an area camera.
3. A cab signal receiving coil image capturing system according to claim 1, wherein said camera is provided with a compensating light source and a camera protection device.
4. The cab signal receiving coil image shooting system according to claim 1, wherein the cab signal receiving coil shooting box (4) is provided with a translation door and a translation door control device;
the sliding door control device comprises a motor, a motor mounting seat, a transmission mechanism and a guide rail;
the guide rail is arranged at the open end of the top of the cab signal receiving coil shooting box (4); the translation door slides along the guide rail to realize the switching between opening and closing of the opening end of the locomotive signal receiving coil shooting box (4);
the motor is fixed in the locomotive signal receiving coil shooting box (4) through a motor mounting seat, and the rotating shaft of the motor controls the translation door to move through a transmission mechanism;
the rotating signal output end of the wheel sensor (3) is connected with the rotating signal input end of the motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910735217.XA CN110341748B (en) | 2019-08-09 | 2019-08-09 | Image shooting system for locomotive signal receiving coil |
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| CN201910735217.XA CN110341748B (en) | 2019-08-09 | 2019-08-09 | Image shooting system for locomotive signal receiving coil |
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| CN110341748A CN110341748A (en) | 2019-10-18 |
| CN110341748B true CN110341748B (en) | 2024-02-02 |
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| CN111397516B (en) * | 2020-04-03 | 2020-12-01 | 哈尔滨市科佳通用机电股份有限公司 | Device and method for measuring height of signal receiving coil of railway locomotive |
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