CN210863786U - Image shooting device for locomotive speed sensor - Google Patents
Image shooting device for locomotive speed sensor Download PDFInfo
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- CN210863786U CN210863786U CN201921293355.9U CN201921293355U CN210863786U CN 210863786 U CN210863786 U CN 210863786U CN 201921293355 U CN201921293355 U CN 201921293355U CN 210863786 U CN210863786 U CN 210863786U
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Abstract
An image shooting device of a locomotive speed sensor relates to a locomotive image shooting technology and aims to solve the problems of low efficiency and poor reliability of the existing speed sensor detection method installed on a locomotive wheel shaft part. The novel shooting box with the first speed sensor and the shooting box with the second speed sensor are arranged on the left side and the right side of a rail; the wheel sensors are used for acquiring the speed information and the wheelbase information of the locomotive to ensure that the locomotive preferentially passes through the wheel sensors, and the two shooting boxes are respectively provided with a camera; the two cameras are respectively used for shooting speed sensors positioned on two sides of the locomotive. The method has the beneficial effect of high detection efficiency.
Description
Technical Field
The utility model relates to a locomotive image shooting technique.
Background
At present, the detection work of a speed sensor arranged on the axle part of a locomotive wheel is still finished by detection personnel in a workshop working area, the detection means completely depends on the detection personnel to photograph a part by using a video means to form video data to judge whether the part is normal or not or the detection personnel directly judge whether the part is normal or not by visual means, and the detection methods and means are both classified as manual detection; however, the manual detection has low detection efficiency, and the manual detection completely depends on the responsibility of operators, so that the reliability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the current camera that utilizes and detecting the time measuring to the speedtransmitter who installs at locomotive wheel axial region, the easy impaired problem of camera provides a locomotive speedtransmitter image shooting device.
The utility model discloses a locomotive speed sensor image shooting device comprises a wheel sensor, a first speed sensor shooting box and a second speed sensor shooting box;
the first speed sensor shooting box and the second speed sensor shooting box are respectively arranged on the left side and the right side of the rail; the first speed sensor shooting box and the second speed sensor shooting box are side boxes respectively;
the wheel sensors are arranged on the side wall of the rail to acquire speed information and wheelbase information of the locomotive, and the locomotive is ensured to pass through the first speed sensor shooting box and the second speed sensor shooting box after passing through the wheel sensors preferentially;
cameras are respectively arranged in the first speed sensor shooting box and the second speed sensor shooting box; the camera in the first speed sensor shooting box and the camera in the second speed sensor shooting box are respectively used for shooting the speed sensors on two sides of the locomotive.
The utility model discloses a theory of operation does: the device of the utility model is arranged on the route of the locomotive entering the garage so as to automatically detect whether the speed sensor of the locomotive has faults or not; the method comprises the following steps that firstly, wheels of a train roll wheel sensors on a rail to obtain speed information and wheelbase information of the train, the wheelbase information is compared with a standard wheelbase information comparison table to determine the type of the detected train, whether the detected train belongs to a detected type or not is determined according to the type of the train, and the distribution position of a speed sensor is determined; if the model of the train to be detected does not belong to the detected type, the shooting device does not detect the train at this time; if the model of the train to be detected belongs to the detected type, the train is the locomotive; at the moment, the wheel sensor calculates the moment when the speed sensor of the axle part of the locomotive wheel reaches the first speed sensor shooting box according to the speed information and the distance between the wheel sensor and the first speed sensor shooting box, determines the time difference when the speed sensors of the front and rear adjacent axle parts of the wheel reach the position of the first speed sensor shooting box according to the speed information, the axle distance information and the distribution position of the speed sensor, and sends the information to a camera in the first speed sensor shooting box in the form of a shooting command signal, and the camera in the first speed sensor shooting box determines the moment for starting shooting and the time interval of two adjacent times of shooting according to the shooting command signal; the first speed sensor shooting box and the second speed sensor shooting box are oppositely arranged on the left side and the right side of a rail in the advancing direction of the locomotive, so that a camera in the first speed sensor shooting box and a camera in the second speed sensor shooting box shoot synchronously; and judging whether the speed sensors of the locomotive wheel shaft parts of the detection parts at the respective sides of the locomotive wheel shaft parts are intact and whether the fixing bolts are loosened according to the images shot by the camera in the first speed sensor shooting box and the images shot by the camera in the second speed sensor shooting box.
The beneficial effects of the utility model are that the image that relies on the camera to shoot detects the speedtransmitter of locomotive wheel axial region, and the efficient of detection, the camera that first speedtransmitter shot the incasement and the camera that second speedtransmitter shot the incasement shoots the image that is located the speedtransmitter of locomotive advancing direction left and right sides respectively can be the color image, also can be grey level image or high definition degree image, makes things convenient for the measurement personnel to look over, also makes things convenient for image automatic identification.
The utility model is suitable for a shoot locomotive speed sensor's outward appearance image and fixed car speed sensor bolt image.
Drawings
Fig. 1 is a schematic structural diagram of a position of an image capturing device of a locomotive speed sensor according to a first embodiment, where 1 is a sleeper and 2 is a rail.
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1, and a vehicle speed sensor image capturing device according to the present embodiment includes a wheel sensor 3, a first speed sensor image capturing box 5, and a second speed sensor image capturing box 6;
the first speed sensor shooting box 5 and the second speed sensor shooting box 6 are respectively arranged at the left side and the right side of the rail 2; the first speed sensor shooting box 5 and the second speed sensor shooting box 6 are side boxes respectively;
the wheel sensor 3 is arranged on the side wall of the rail 2 to obtain the speed information and the wheel base information of the locomotive, and the locomotive is ensured to pass through the wheel sensor 3 preferentially and then pass through the first speed sensor shooting box 5 and the second speed sensor shooting box 6;
cameras are arranged in the first speed sensor shooting box 5 and the second speed sensor shooting box 6 respectively; the camera in the first speed sensor shooting box 5 and the camera in the second speed sensor shooting box 6 are respectively used for shooting the speed sensors on two sides of the locomotive.
In the present embodiment, when a train to be tested is detected, the train wheels first roll the wheel sensors 3 on the rails 2, the wheel sensors 3 are a pair of sensors, the speed information and the wheel base information of the train are obtained according to the pair of sensors, the model of the detected train is determined according to the comparison between the wheel base information and a standard wheel base information comparison table, the model comprises a truck, a passenger car, a locomotive and a bullet train, the embodiment only detects the locomotive, determining whether the train to be detected belongs to the detected type and determining the distribution positions of the speed sensors according to the model of the train (namely determining that a camera in a first speed sensor shooting box 5 and a speed sensor needing to be shot by a camera in a second speed sensor shooting box 6 are positioned at the axle center of a plurality of wheels of the locomotive to be detected, and electric service section speed sensors are generally positioned at a two-axle position and a four-axle position); if the model of the train to be detected does not belong to the detected type, the shooting device does not detect the train at this time; if the model of the train to be tested belongs to the type to be tested, the train to be tested is a locomotive; at the moment, the wheel sensor 3 calculates the time when the speed sensor of the axle part of the locomotive wheel reaches the first speed sensor shooting box 5 according to the speed information and the distance between the wheel sensor 3 and the first speed sensor shooting box 5, determines the time difference when the speed sensors of two adjacent axle parts of the locomotive wheel reach the first speed sensor shooting box according to the speed information, the axle distance information and the distribution position of the speed sensors, and sends the information to the camera in the first speed sensor shooting box 5 in the form of a shooting command signal, and the camera in the first speed sensor shooting box 5 determines the time for starting shooting and the time interval of each shooting according to the shooting command signal; the first speed sensor shooting box 5 and the second speed sensor shooting box 6 are arranged on the left side and the right side of a rail in the advancing direction of the locomotive relatively, so that a camera in the first speed sensor shooting box 5 and a camera in the second speed sensor shooting box 6 shoot synchronously; judging whether the speed sensor bolts of the locomotive wheel shaft parts of the detection parts at the respective sides are lost or loosened and the surface of the speed sensor is damaged according to the images shot by the camera in the first speed sensor shooting box 5 and the images shot by the camera in the second speed sensor shooting box 6;
specifically, the calculation formula for calculating the time when the speed sensor of the locomotive wheel shaft part reaches the first speed sensor shooting box 5 according to the vehicle speed information and the distance between the wheel sensor 3 and the first speed sensor shooting box 5 is as follows:
wherein, T1For the moment when the first row of wheels of the train to be tested first rolls the wheel sensor 3, T2For mounting the moment when the first speed sensor on the wheel of the train to be tested reaches the first speed sensor shooting box 5, h1Distance, h, of the wheel sensor 3 from the first speed sensor camera box 52For mounting a first speed sensor and a first speed sensor on a wheel of a train to be testedDistance (h) between the axes of the wheels2V is determined by the wheel base information and the distribution position of the speed sensor obtained after the wheel base information is compared with a standard wheel base information comparison table), and v is the speed information of the train obtained by the wheel sensor 3;
the specific calculation formula of the time interval of each shooting of the camera in the shooting box 5 of the first speed sensor is as follows:
wherein t is the time interval of every shooting of the camera in the speed sensor shooting box 5, h3Distance (h) between two adjacent speed sensors3Determined by the wheel base information and the distribution position of the speed sensor obtained by comparing the wheel base information with a standard wheel base information comparison table).
In the present embodiment, the camera can capture the image of the speed sensor accurately without shooting all the time.
The second embodiment is as follows: in the present embodiment, the image capturing device for a locomotive speed sensor according to the first embodiment is further limited, and in the present embodiment, the image capturing device further includes a vehicle number capturing box 4;
the train number shooting box 4 is arranged on one side of the rail 2 in the advancing direction of the locomotive;
a camera is arranged in the car number shooting box 4; the camera in the car number shooting box 4 is used for shooting the car number of the locomotive.
In the present embodiment, the image of the train number of the locomotive is captured by the camera in the train number capture box 4, and the train number information of the current train is obtained by automatic image recognition.
The third concrete implementation mode: in the present embodiment, the locomotive speed sensor image capturing device according to the first embodiment is further limited, and in the present embodiment, embedded parts are provided at the bottom end of the first speed sensor capturing box 5 and the bottom end of the second speed sensor capturing box 6, respectively.
In the present embodiment, the height of the embedment ensures that the speed sensor is within the range of the camera covered by the camera in the first speed sensor shooting box 5 and the camera in the second speed sensor shooting box 6.
The fourth concrete implementation mode: in this embodiment, the image capturing device of a locomotive speed sensor according to the first or second embodiment is further defined, and in this embodiment, the camera is a line camera, a 3D camera, or an area camera.
The fifth concrete implementation mode: in this embodiment, the camera is further limited to the locomotive speed sensor image capturing device according to the first or second embodiment, and in this embodiment, the camera is provided with a compensation light source and a camera protection device.
The sixth specific implementation mode: in the present embodiment, the locomotive speed sensor image capturing device according to the first embodiment is further limited, and in the present embodiment, the first speed sensor capturing box 5 is provided with a first sliding door and a first sliding door control device;
the first translation door control device comprises a first motor, a first motor mounting seat, a first transmission mechanism and a first guide rail;
the first guide rail is arranged at the opening end of the first speed sensor shooting box 5; the first translation door slides along the first guide rail to realize the opening and closing conversion of the opening end of the first speed sensor shooting box 5;
the first motor is fixed in the first speed sensor shooting box 5 through a first motor mounting seat, and a rotating shaft of the first motor controls the first translation door to move through a first transmission mechanism;
and the rotation signal output end of the wheel sensor 3 is connected with the rotation signal input end of the first motor.
In this embodiment, the first translation door shields the opening end of the first speed sensor shooting box 5, the first translation door control device opens the first translation door after receiving the rotation signal, the camera inside the first translation door starts to shoot, and the first translation door returns to the initial state of shielding the opening end of the first speed sensor shooting box 5 after the shooting is finished, so that the protection of the camera inside the first speed sensor shooting box 5 is realized.
The seventh embodiment: in this embodiment, the locomotive speed sensor image capturing device according to the first embodiment is further limited, and in this embodiment, the second speed sensor image capturing box 6 is provided with a second sliding door and a second sliding door control device;
the second translation door control device comprises a second motor, a second motor mounting seat, a second transmission mechanism and a second guide rail;
the second guide rail is arranged at the opening end of the second speed sensor shooting box 6; the second translation door slides along the second guide rail to realize the opening and closing conversion of the opening end of the shooting box 6 of the second speed sensor;
a second motor is fixed in the second speed sensor shooting box 6 through a second motor mounting seat, and a rotating shaft of the second motor controls the second translation door to move through a second transmission mechanism;
and the rotation signal output end of the wheel sensor 3 is connected with the rotation signal input end of the second motor.
In this embodiment, the second sliding door covers the opening end of the second speed sensor shooting box 6, the second sliding door control device opens the second sliding door after receiving the rotation signal, the camera inside the second sliding door starts to shoot, and the second sliding door returns to the initial state of covering the opening end of the second speed sensor shooting box 6 after shooting is finished, so that the protection of the camera inside the second speed sensor shooting box 6 is realized.
The specific implementation mode is eight: in this embodiment, the locomotive speed sensor image capturing device according to the second embodiment is further limited, and in this embodiment, the vehicle number capturing box 4 is provided with a third sliding door and a third sliding door control device;
the third translation door control device comprises a third motor, a third motor mounting seat, a third transmission mechanism and a third guide rail;
the third guide rail is arranged at the opening end of the car number shooting box 4; the third translation door slides along the third guide rail to realize the opening and closing conversion of the opening end of the car number shooting box 4;
no. three motors are fixed in the car number shooting box 4 through No. three motor mounting seats, and the rotating shafts of the No. three motors control the No. three translation doors to move through No. three transmission mechanisms.
In this embodiment, No. three translation doors shelter from the open end of car number shooting box 4, and No. three translation door controlling means is through receiving the rotation signal after, open No. three translation doors, and its inside camera begins to make a video recording, and No. three translation doors reply the initial state of sheltering from in the open end of car number shooting box 4 after finishing making a video recording, realize the protection to the inside camera of car number shooting box 4.
Claims (6)
1. The locomotive speed sensor image shooting device is characterized by comprising a wheel sensor (3), a first speed sensor shooting box (5) and a second speed sensor shooting box (6);
the first speed sensor shooting box (5) and the second speed sensor shooting box (6) are respectively arranged on the left side and the right side of the rail (2); the first speed sensor shooting box (5) and the second speed sensor shooting box (6) are side boxes respectively;
the wheel sensors (3) are arranged on the side walls of the rails (2) to acquire speed information and wheelbase information of the locomotive, and the locomotive is ensured to pass through the wheel sensors (3) in a priority manner and then pass through the first speed sensor shooting box (5) and the second speed sensor shooting box (6);
cameras are respectively arranged in the first speed sensor shooting box (5) and the second speed sensor shooting box (6); a camera in the first speed sensor shooting box (5) and a camera in the second speed sensor shooting box (6) are respectively used for shooting speed sensors positioned at two sides of the locomotive;
the first speed sensor shooting box (5) is provided with a first translation door and a first translation door control device;
the first translation door control device comprises a first motor, a first motor mounting seat, a first transmission mechanism and a first guide rail;
the first guide rail is arranged at the opening end of the first speed sensor shooting box (5); the first translation door slides along the first guide rail to realize the opening and closing conversion of the opening end of the first speed sensor shooting box (5);
a first motor is fixed in the first speed sensor shooting box (5) through a first motor mounting seat, and a rotating shaft of the first motor controls the first translation door to move through a first transmission mechanism;
the rotation signal output end of the wheel sensor (3) is connected with the rotation signal input end of the first motor;
the second speed sensor shooting box (6) is provided with a second sliding door and a second sliding door control device;
the second translation door control device comprises a second motor, a second motor mounting seat, a second transmission mechanism and a second guide rail;
the second guide rail is arranged at the opening end of the second speed sensor shooting box (6); the second translation door slides along the second guide rail to realize the opening and closing conversion of the opening end of the second speed sensor shooting box (6);
a second motor is fixed in a second speed sensor shooting box (6) through a second motor mounting seat, and a rotating shaft of the second motor controls the second translation door to move through a second transmission mechanism;
and the rotation signal output end of the wheel sensor (3) is connected with the rotation signal input end of the second motor.
2. The locomotive speed sensor image shooting device according to claim 1, characterized in that the shooting device further comprises a car number shooting box (4);
the train number shooting box (4) is arranged on one side of a rail (2) in the advancing direction of the locomotive;
a camera is arranged in the car number shooting box (4); the camera in the car number shooting box (4) is used for shooting the car number of the locomotive.
3. The locomotive speed sensor image shooting device according to claim 1, characterized in that the bottom end of the first speed sensor shooting box (5) and the bottom end of the second speed sensor shooting box (6) are respectively provided with embedded parts.
4. The locomotive speed sensor image capturing device according to claim 1 or 2, characterized in that the camera is a line camera, a 3D camera or an area camera.
5. A locomotive speed sensor image capture device according to claim 1 or 2, wherein said camera is equipped with a compensating light source and a camera protection device.
6. The locomotive speed sensor image shooting device according to claim 2, characterized in that the locomotive number shooting box (4) is provided with a third translation door and a third translation door control device;
the third translation door control device comprises a third motor, a third motor mounting seat, a third transmission mechanism and a third guide rail;
the third guide rail is arranged at the opening end of the car number shooting box (4); the third translation door slides along the third guide rail to realize the opening and closing conversion of the opening end of the car number shooting box (4);
the third motor is fixed in the car number shooting box (4) through a third motor mounting seat, and a rotating shaft of the third motor controls the third translation door to move through a third transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921293355.9U CN210863786U (en) | 2019-08-09 | 2019-08-09 | Image shooting device for locomotive speed sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921293355.9U CN210863786U (en) | 2019-08-09 | 2019-08-09 | Image shooting device for locomotive speed sensor |
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| CN210863786U true CN210863786U (en) | 2020-06-26 |
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| CN201921293355.9U Active CN210863786U (en) | 2019-08-09 | 2019-08-09 | Image shooting device for locomotive speed sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346606A (en) * | 2019-08-09 | 2019-10-18 | 哈尔滨市科佳通用机电股份有限公司 | A kind of locomotive speed sensor image capturing device |
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2019
- 2019-08-09 CN CN201921293355.9U patent/CN210863786U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346606A (en) * | 2019-08-09 | 2019-10-18 | 哈尔滨市科佳通用机电股份有限公司 | A kind of locomotive speed sensor image capturing device |
| CN110346606B (en) * | 2019-08-09 | 2024-05-28 | 哈尔滨市科佳通用机电股份有限公司 | Locomotive speed sensor image shooting device |
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