Multispectral dynamic dimming surface detection device
By using a multispectral dynamic dimming surface inspection device to adjust the angle and brightness of multispectral LED lights, combined with the position adjustment of a visual inspection camera, the problem of poor imaging quality in backlight or nighttime scenes of traditional railway inspection devices is solved, thereby improving the accuracy and safety of inspection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-19
- Publication Date
- 2026-03-24
AI Technical Summary
Traditional railway inspection devices cannot dynamically adjust brightness and angle according to changes in ambient light, resulting in poor imaging quality of rail surface defects in backlight or nighttime scenes, which can easily increase the risk of missed detection.
A surface inspection device employing multispectral dynamic dimming achieves efficient inspection of railway track surfaces by adjusting the angle and brightness of multispectral LED lights in conjunction with the position adjustment of a visual inspection camera.
This improved the practicality of the detection device, reduced missed detections, and enhanced the safety of railway operations.
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Figure CN224028999U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to track detection technical field, concretely is surface detection device of multispectral dynamic light modulation. BACKGROUND
[0002] With the continuous development of railway technology, our country railway transportation is in the transportation industry in our country with incomparable superiority in transportation speed, conveying capacity and conveying cost etc. And with the country railway conveying speed fast, the target of carrying heavy load advances, to guarantee the absolute safety of passenger travel, its quality requirement to railway transportation assembly is also higher and higher.
[0003] Traditional railway detection usually adopts fixed light source, cannot dynamically adjust brightness and angle according to ambient light change, lead to the imaging quality of the surface crack, rust and other defects of the rail in the backlight or night scene is poor, easy to lead to the risk of missed detection increases, for this, propose surface detection device of multispectral dynamic light modulation. UTILITY MODEL CONTENT
[0004] The utility model discloses a surface detection device of multispectral dynamic light modulation, to solve the problem that the traditional railway detection usually adopts fixed light source in the above background art, cannot dynamically adjust brightness and angle according to ambient light change, lead to the imaging quality of the surface crack, rust and other defects of the rail in the backlight or night scene is poor, easy to lead to the risk of missed detection increases.
[0005] To achieve the above object, the utility model provides the following technical scheme: surface detection device of multispectral dynamic light modulation, including
[0006] Rail car, the fixed plate is installed on the rail car;
[0007] Detection assembly, the detection assembly is installed at the bottom of the fixed plate, and the detection assembly is used for the detection of the surface of the rail;
[0008] The detection assembly includes a sliding rail, a sliding seat and a visual detection camera, the sliding rail is fixedly connected to the bottom of the fixed plate, the sliding seat is slidingly connected to the outer side of the sliding rail, the visual detection camera is installed at the bottom of the sliding seat, one side of the sliding seat is fixedly connected with a fixed block, a limiting column is movably penetrated into the bottom of the fixed block, a telescopic spring is movably sleeved on the outer side of the limiting column, a plurality of limiting holes are formed in the bottom of the fixed plate, one end of the limiting column is inserted into the inside of the limiting hole, and a light source assembly is installed on one side of the fixed plate.
[0009] As preferred, one end of the telescopic spring is fixedly connected to the outer side of the limiting column, and the other end of the telescopic spring is fixedly connected to the top of the fixed block.
[0010] As preferred, the light source assembly comprises an L-shaped support, a rotating shaft and a multi-spectrum LED lamp, the L-shaped support is fixedly connected to one side of the sliding seat away from the fixed block, a groove is formed in the bottom of the L-shaped support, the rotating shaft is rotatably connected to the inner side of the groove, the multi-spectrum LED lamp is fixedly sleeved to the outer side of the rotating shaft through the support fixing sleeve, a worm wheel is fixedly sleeved to the outer side of the rotating shaft, and a worm is rotatably connected to the top of the L-shaped support and engaged with the outer side of the worm wheel.
[0011] As preferred, the top of the worm is fixedly connected with a handle, and the handle is located at the top of the L-shaped support.
[0012] As preferred, the track vehicle is provided with a mounting groove, the fixed plate is mounted in the mounting groove, the top of the track vehicle is provided with a fixed bolt which is screwed and abuts against the top of the fixed plate.
[0013] As preferred, the top of the fixed plate is provided with a light-adjusting LED controller, and the top of the fixed plate is provided with an image acquisition and processing module on one side of the light-adjusting LED controller.
[0014] As preferred, the electric signal output end of the light-adjusting LED controller is connected with the electric signal input end of the multi-spectrum LED lamp.
[0015] Compared with the prior art, the above technical scheme has the following technical effects:
[0016] The rotating worm drives the worm wheel to rotate, the worm wheel drives the support of the multi-spectrum LED lamp to rotate through the rotating shaft, so that the angle of the multi-spectrum LED lamp is adjusted, the light-adjusting LED controller dynamically adjusts the brightness of the multi-spectrum LED lamp to meet the use requirements of different detection environments, improve the practicability of the device, reduce the missed detection, and improve the safety of railway operation. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiment or prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.
[0018] Figure 1 The structure of the present application is shown in the figure;
[0019] Figure 2 is a right view structural schematic diagram of the utility model;
[0020] Figure 3 is a bottom structural schematic diagram of the utility model;
[0021] Figure 4 is a top structural schematic diagram of the utility model;
[0022] Figure 5 is a left view structural schematic diagram of the utility model.
[0023] Mark explanation: 1, track car;2, installation groove;3, fixed plate;4, fixed bolt;5, slide rail;6, slide;7, visual inspection camera;8, fixed block;9, limit column;10, extension spring;11, limit hole;12, image acquisition and processing module;13, light adjusting LED controller;14, L type support;15, rotating shaft;16, multi-spectrum LED lamp;17, worm wheel;18, worm. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0025] It should be known that the structures, proportions, sizes, etc. shown in the drawings of the specification are only used to cooperate with the disclosed content of the specification for understanding and reading by those skilled in the art, and are not used to limit the limiting conditions of the implementable application, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be produced and achieved by the application, should still fall within the scope of the disclosed technical content.
[0026] EMBODIMENT
[0027] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: multi-spectrum dynamic light adjusting surface detection device, including track car 1, fixed plate 3 is installed on track car 1;Detection component, detection component is installed in the bottom of fixed plate 3, and detection component is used for the detection of rail surface.
[0028] By setting the detection assembly, the position of the visual detection camera 7 can be adjusted to facilitate the detection of the rail surface; the detection assembly comprises a sliding rail 5, a sliding seat 6 and a visual detection camera 7, the sliding rail 5 is fixedly connected to the bottom of the fixed plate 3, the sliding seat 6 is slidingly connected to the outer side of the sliding rail 5, the visual detection camera 7 is installed at the bottom of the sliding seat 6, one side of the sliding seat 6 is fixedly connected with a fixed block 8, the bottom of the fixed block 8 movably penetrates a limiting column 9, the outer side of the limiting column 9 movably sleeves a telescopic spring 10, one end of the telescopic spring 10 is fixedly connected to the outer side of the limiting column 9, the other end of the telescopic spring 10 is fixedly connected to the top of the fixed block 8, a plurality of limiting holes 11 are formed in the bottom of the fixed plate 3, one end of the limiting column 9 is inserted into the inside of the limiting hole 11, by pulling the limiting column 9 downward to move, the one end of the limiting column 9 is separated from the inside of the limiting hole 11, at this time the telescopic spring 10 is compressed under stress, then the sliding seat 6 is pushed to move on the outer side of the sliding rail 5, the visual detection camera 7 is moved to the upper side of the rail by the sliding seat 6, the limiting column 9 is reset under the action of the telescopic spring 10, the one end of the limiting column 9 is inserted into the inside of the limiting hole 11, that is, the position of the visual detection camera 7 can be fixed; a light source assembly is installed on one side of the fixed plate 3.
[0029] In order to adjust the angle of the multi-spectrum LED lamp 16; the light source assembly comprises an L-shaped support 14, a rotating shaft 15 and a multi-spectrum LED lamp 16, the L-shaped support 14 is fixedly connected to the side of the sliding seat 6 away from the fixed block 8, a groove is formed in the bottom of the L-shaped support 14, the rotating shaft 15 is rotatably connected to the inside of the groove, the multi-spectrum LED lamp 16 is fixedly sleeved on the outer side of the rotating shaft 15 through a support, a worm wheel 17 is fixedly sleeved on the outer side of the rotating shaft 15, a worm 18 is rotatably connected to the top of the L-shaped support 14, the worm 18 is meshingly connected to the outer side of the worm wheel 17, a handle is fixedly connected to the top of the worm 18, and the handle is located on the top of the L-shaped support 14; by rotating the worm 18, one end of the worm 18 drives the worm wheel 17 to rotate, so that the worm wheel 17 drives the support of the multi-spectrum LED lamp 16 to rotate through the rotating shaft 15, the angle of the multi-spectrum LED lamp 16 can be adjusted, in order to avoid the worm 18 from rotating due to vibration, causing the angle of the multi-spectrum LED lamp 16 to change, a connecting bolt can be installed on the handle, the connecting bolt abuts against the top of the L-shaped support 14, the handle can be fixed, and the handle is prevented from rotating, which is the prior art.
[0030] The track car 1 is provided with a mounting groove 2, the fixed plate 3 is installed in the inside of the mounting groove 2, the top of the track car 1 is threadedly connected with a fixed bolt 4, one end of the fixed bolt 4 abuts against the top of the fixed plate 3; when the fixed plate 3 needs to be disassembled, the fixed bolt 4 is rotated, so that one end of the fixed bolt 4 is separated from the top of the fixed plate 3, the fixed plate 3 can be disassembled, so as to maintain the multi-spectrum LED lamp 16 and the visual detection camera 7.
[0031] The top of the fixed plate 3 is provided with a light-adjustable LED controller 13, and the top of the fixed plate 3 is provided with an image acquisition and processing module 12 on one side of the light-adjustable LED controller 13. During detection, the captured rail image is converted into a signal by the visual detection camera 7 and transmitted to the image acquisition and processing module 12, so as to complete the detection of the rail surface. The electrical signal output end of the light-adjustable LED controller 13 is connected with the electrical signal input end of the multi-spectrum LED lamp 16. The brightness of the multi-spectrum LED lamp 16 is dynamically adjusted by the light-adjustable LED controller 13 to meet the use requirements of different detection environments, improve the practicability of the device, and reduce the missed detection situation, improve the safety of railway operation. The visual detection camera 7 can be a CMOS camera, which has low power consumption and high speed, and is suitable for high-speed detection scenes. It is prior art and will not be described here. The model of the light-adjustable LED controller 13 is YLJ-D86-CE5, which is a product of Shenzhen Yilijia Optoelectronics Co., Ltd. The working principle and structural principle of the multi-spectrum LED lamp 16 are prior art and will not be described here.
[0032] The working principle or structural principle is that by pulling down the limiting column 9 to move, one end of the limiting column 9 is separated from the inside of the limiting hole 11, at this time the extension spring 10 is compressed under stress, then the sliding seat 6 is pushed to move outside the sliding rail 5, the visual detection camera 7 is moved above the rail by the sliding seat 6, the limiting column 9 is reset under the action of the extension spring 10, one end of the limiting column 9 is inserted into the inside of the limiting hole 11, and the position of the visual detection camera 7 is fixed to facilitate the detection of the rail surface.
[0033] When the sliding seat 6 moves, the multi-spectrum LED lamp 16 is moved by the L-shaped support 14 at the same time. When the angle of the multi-spectrum LED lamp 16 needs to be adjusted, the worm 18 is rotated, one end of the worm 18 drives the worm gear 17 to rotate, the worm gear 17 drives the support of the multi-spectrum LED lamp 16 to rotate through the rotating shaft 15, so as to complete the angle adjustment of the multi-spectrum LED lamp 16. At the same time, the brightness of the multi-spectrum LED lamp 16 is dynamically adjusted by the light-adjustable LED controller 13 to meet the use requirements of different detection environments and improve the practicability of the device. During detection, the captured rail image is converted into a signal by the visual detection camera 7 and transmitted to the image acquisition and processing module 12, so as to complete the detection of the rail surface.
[0034] It is understood by those skilled in the art that the features recited in various embodiments of the present application and / or claims can be combined or / and integrated in various combinations, even if such combinations are not explicitly recited in the present application. In particular, the features recited in various embodiments of the present application and / or claims can be combined and / or integrated in various combinations without departing from the spirit and teachings of the present application. All these combinations and / or integrations fall within the scope of the present application.
Claims
1. A multispectral dynamic light-adjusted surface inspection apparatus, characterized by: Comprising The rail car (1) is provided with a fixed plate (3); A detection assembly is installed at the bottom of the fixed plate (3), which is used for detecting the surface of the rail; The detection assembly comprises a sliding rail (5), a sliding seat (6) and a visual detection camera (7), the sliding rail (5) is fixedly connected to the bottom of the fixed plate (3), the sliding seat (6) is slidingly connected to the outer side of the sliding rail (5), the visual detection camera (7) is installed at the bottom of the sliding seat (6), one side of the sliding seat (6) is fixedly connected with a fixed block (8), the bottom of the fixed block (8) movably penetrates a limiting column (9), the outer side of the limiting column (9) movably sleeves a telescopic spring (10), a plurality of limiting holes (11) are formed in the bottom of the fixed plate (3), one end of the limiting column (9) is inserted into the limiting hole (11), and a light source assembly is installed on one side of the fixed plate (3).
2. The multispectral dynamic light-adjusted surface inspection apparatus of claim 1, wherein: One end of the telescopic spring (10) is fixedly connected to the outer side of the limiting column (9), and the other end of the telescopic spring (10) is fixedly connected to the top of the fixed block (8).
3. The multispectral dynamic light-adjusted surface inspection apparatus of claim 1, wherein: The light source assembly comprises an L-shaped support (14), a rotating shaft (15) and a multi-spectrum LED lamp (16), the L-shaped support (14) is fixedly connected to the side of the sliding seat (6) away from the fixed block (8), the bottom of the L-shaped support (14) is provided with a groove, the rotating shaft (15) is rotatably connected to the inner side of the groove, the multi-spectrum LED lamp (16) is fixedly sleeved to the outer side of the rotating shaft (15) through the support, the outer side of the rotating shaft (15) is fixedly sleeved with a worm gear (17), and the top of the L-shaped support (14) is rotatably connected with a worm shaft (18). The worm shaft (18) is engagedly connected to the outer side of the worm gear (17).
4. The multispectral dynamic light-adjusted surface inspection apparatus of claim 3, wherein: The top of the worm shaft (18) is fixedly connected with a handle, and the handle is located at the top of the L-shaped support (14).
5. The multispectral dynamic light-adjusted surface inspection apparatus of claim 1, wherein: The rail car (1) is provided with a mounting groove (2), the fixed plate (3) is installed in the mounting groove (2), the top of the rail car (1) is threadedly connected with a fixed bolt (4), and one end of the fixed bolt (4) abuts against the top of the fixed plate (3).
6. The multispectral dynamic light-adjusted surface inspection apparatus of claim 3, wherein: The top of the fixed plate (3) is provided with a light adjusting LED controller (13), and the top of the fixed plate (3) is provided with an image acquisition and processing module (12) on one side of the light adjusting LED controller (13).
7. The multispectral dynamically tinted surface inspection apparatus of claim 6, wherein: The electrical signal output end of the light adjusting LED controller (13) is connected with the electrical signal input end of the multi-spectrum LED lamp (16).