Suspension bridge main cable steel wire corrosion identification device in weak light environment
By designing a ring array of cameras and an automatically adjustable lighting panel on the main cable of the suspension bridge, the problems of low detection accuracy and efficiency in low-light environments were solved, achieving efficient and stable corrosion identification.
Patent Information
- Application Number
- CN202423109973.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2034-12-17
AI Technical Summary
In low-light environments, corrosion detection of the main cable steel wires of suspension bridges relies on manual visual inspection, which makes it difficult to guarantee the accuracy and consistency of the inspection. Furthermore, it is greatly affected by weather and lighting conditions, resulting in low inspection efficiency and insufficient data repeatability.
An identification device is designed, comprising a housing, a data acquisition mechanism, an illumination mechanism, and a support mechanism. The housing is arranged in a circular array and contains a built-in camera and an illumination board. The camera is equipped with a high-sensitivity sensor, and the illumination board has an automatic brightness adjustment function. The support mechanism includes an image processing module and a control unit to ensure efficient image acquisition and processing in low-light environments.
It improves the efficiency and accuracy of corrosion detection of main cable steel wires in suspension bridges, enables stable image acquisition and data processing in low-light environments, and simplifies fault diagnosis and maintenance.
Smart Images

Figure CN223815323U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cable detection technical field, especially weak light environment under suspension bridge main cable steel wire corrosion recognition device. BACKGROUND
[0002] Suspension bridge as large bridge structure, its main cable as main load bearing component, long -term exposure in complex and changeable natural environment, especially under weak light environment, the corrosion problem of main cable steel wire is especially outstanding. Suspension bridge main cable usually is made by high -strength cold drawing carbon steel wire or steel cable, and this material has high strength and good ductility, can bear huge load, however, the chemical activity of this metal material is higher, is easily affected by the environment and takes place corrosion reaction.
[0003] In order to guarantee the stable work of suspension bridge, need to detect main cable steel wire regularly, avoid the work of suspension bridge to be affected, now generally carries out the inspection by manual visual method, and this is a traditional detection means, and the corrosion condition of steel wire is judged by naked eye observation of professional detection personnel, but manual visual inspection is poor in closed and weak light environment, and the detection precision and consistency are difficult to guarantee, and the method is greatly influenced by weather, illumination and other external conditions, leading to low detection efficiency, and the data repeatability is insufficient, for this, we propose weak light environment under suspension bridge main cable steel wire corrosion recognition device. UTILITY MODEL CONTENTS
[0004] The utility model discloses weak light environment under suspension bridge main cable steel wire corrosion recognition device, to solve the problem in the background art.
[0005] To realize the above -mentioned purpose, the utility model provides the following technical scheme: weak light environment under suspension bridge main cable steel wire corrosion recognition device, including:
[0006] The shell is annular array arrangement;
[0007] The acquisition mechanism is arranged in the inside of the shell, and the acquisition mechanism is used for collecting steel wire image;
[0008] The illumination mechanism is arranged in the inside of the shell, and the illumination mechanism is used for the acquisition mechanism to work under weak light environment;
[0009] The connecting mechanism is arranged between two adjacent shells;
[0010] The supporting mechanism is arranged at the bottom of the shell.
[0011] Preferably, the acquisition mechanism includes a plurality of cameras, and a plurality of the cameras are installed in the inside of the shell at intervals.
[0012] Preferably, the lighting mechanism comprises a lighting plate, the lighting plate is installed on the inner wall of the shell, and the inside of the shell is provided with a protection mechanism.
[0013] Preferably, the protection mechanism comprises a light-transmitting plate, the light-transmitting plate is fixedly connected to the side of the inner wall of the shell, a plurality of clamping holes are formed in the outer wall of the light-transmitting plate at intervals, and the camera is arranged in the clamping hole.
[0014] Preferably, the support mechanism comprises a support seat, and the top end of the support seat is fixedly connected to the bottom end of the shell.
[0015] Preferably, the connecting mechanism comprises a first connecting block and a second connecting block, the first connecting block is fixedly connected to one side of the shell, the second connecting block is fixedly connected to the other side of the shell, a slot is formed in the top end of the first connecting block, and the second connecting block corresponds in position to the slot.
[0016] Preferably, a second insertion hole is formed in the inner wall of the slot, a first insertion hole is formed in the outer wall of the second connecting block, a fixing bolt is arranged in the inner walls of the second insertion hole and the first insertion hole in a penetrating mode, a threaded hole is formed in the inner wall of the slot, and the outer wall of the fixing bolt is threadedly connected to the inner wall of the threaded hole.
[0017] The technical effects and advantages of the present application are as follows:
[0018] (1) The present application forms a circular ring outside the main cable steel wire through a plurality of shells, and then the surface of the main cable steel wire is imaged by the collecting mechanism, so that the corrosion phenomenon is identified, and at the same time, the cooperation of the lighting mechanism enables the collecting mechanism to work in a weak light environment, thereby improving the detection efficiency.
[0019] (2) The present application utilizes the setting of the connecting mechanism to design the identification device into a modular structure, so that the device can be divided into a plurality of components, facilitating fault diagnosis and maintenance. DRAWINGS
[0020] Figure 1 It is a three-dimensional structure schematic view of the present application.
[0021] Figure 2 It is a schematic view of the bottom section structure of the present application.
[0022] Figure 3 It is a schematic view of the A place local amplification structure of the present application. Figure 2
[0023] In the figure: 101, shell; 201, camera; 301, illumination plate; 401, light transmission plate; 402, card hole; 501, support seat; 601, first connecting block; 602, slot; 603, second connecting block; 701, threaded hole; 702, first jack; 703, fixing bolt; 704, second jack. 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] The utility model provides a weak light environment under the suspension bridge main cable steel wire corrosion identification device as Figures 1-3 The utility model discloses a weak light environment under the suspension bridge main cable steel wire corrosion identification device, including shell 101, acquisition mechanism, illumination mechanism, connecting mechanism and support mechanism, shell 101 is arranged in ring array, and one circular ring is formed to the outside of main cable steel wire through multiple shell 101, and then the surface of main cable steel wire is imaged through acquisition mechanism, so that corrosion phenomenon is identified, and the cooperation of illumination mechanism makes acquisition mechanism work in weak light environment, thereby improve the detection efficiency, shell 101 is made of firm and durable material, and the inside is sprayed white to reduce light reflection, and the outside is sprayed black to absorb extra light, thereby optimizing the image acquisition effect under weak light environment, the design of shell 101 not only protects internal components from damage from the outside environment, but also further improves the quality of image acquisition through color processing.
[0026] Among them, the acquisition mechanism is arranged in the inside of shell 101, and the acquisition mechanism is used for collecting steel wire images, and the acquisition mechanism includes multiple cameras 201, and the multiple cameras 201 are installed at intervals in the inside of shell 101, the camera 201 is equipped with high sensitivity sensor and optical lens, can capture clear image in weak light environment, and the installation position of camera 201 ensures the best light receiving and image acquisition effect.
[0027] Among them, the illumination mechanism is arranged in the inside of shell 101, and the illumination mechanism is used for the acquisition mechanism to work in weak light environment, and the illumination mechanism includes illumination plate 301, and the illumination plate 301 is installed on the inner wall of shell 101, and the inside of shell 101 is provided with a protection mechanism, and the illumination plate 301 is a customized lamp plate, and 24V / 1W lamp beads are uniformly distributed on the illumination plate 301, and the illumination plate 301 provides necessary illumination for the camera 201, and the illumination plate 301 also has the function of automatically adjusting brightness, and automatically adjusts brightness according to the intensity of ambient light, thereby ensuring the definition and stability of image acquisition.
[0028] The protection mechanism includes a light-transmitting plate 401 fixedly connected to the side of the inner wall of the shell 101, a plurality of clamping holes 402 are arranged on the outer wall of the light-transmitting plate 401, the camera 201 is inserted into the clamping hole 402, and the light-transmitting plate 401 is made of white light-transmitting material.
[0029] The support mechanism is arranged at the bottom end of the shell 101, and includes a support seat 501 fixedly connected to the top end of the shell 101. The support seat 501 is internally provided with an image processing module, a control unit, a power management module and a heat dissipation system. The image processing module is internally provided with a high-performance image processing chip, is responsible for receiving image data collected by the camera, and performs preprocessing such as denoising, contrast enhancement and standardization processing. These processing steps help to improve image quality and make it more suitable for subsequent analysis and application. The control unit includes a microprocessor or a single-chip microcomputer, is responsible for the control logic of the entire device, controls key operations such as light source adjustment and image acquisition triggering, and ensures that the device can work according to the preset parameters and processes. The recognition device is provided with a USB 3.0 interface, which provides high-speed data transmission function, and also supports device power supply, simplifies power connection box management, and can also connect multiple external devices, further expanding its functions. The power management module integrates power conversion and distribution functions, ensures stable operation of the device under different power conditions, converts the input power into the voltage and current required by each component inside the device, and performs effective power distribution and management. The heat dissipation system includes heat dissipation fins and a fan. The heat dissipation fins increase the heat exchange area to improve the heat dissipation efficiency, and the fan generates airflow to accelerate heat dissipation. This design ensures that the device can maintain stable operating temperature under high-intensity work, thereby prolonging the service life and improving the performance.
[0030] The connecting mechanism is arranged between two adjacent shells 101, and includes a first connecting block 601 and a second connecting block 603. The first connecting block 601 is fixedly connected to one side of the shell 101, and the second connecting block 603 is fixedly connected to the other side of the shell 101. The top end of the first connecting block 601 is provided with a slot 602, and the second connecting block 603 corresponds to the position of the slot 602. The inner wall of the slot 602 is provided with a second insertion hole 704, and the outer wall of the second connecting block 603 is provided with a first insertion hole 702. The inner walls of the second insertion hole 704 and the first insertion hole 702 are provided with a fixing bolt 703. The inner wall of the slot 602 is provided with a threaded hole 701, and the outer wall of the fixing bolt 703 is threadedly connected to the inner wall of the threaded hole 701. The adjacent second connecting block 603 is inserted into the corresponding slot 602, then the fixing bolt 703 is sequentially inserted through the second insertion hole 704 and the first insertion hole 702, and then screwed into the threaded hole 701, so that the two adjacent shells 101 can be fixed, thereby ensuring the stability of the recognition device.
[0031] It should be pointed out finally that: the above only for the preferred embodiments of the utility model have, and do not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A device for identifying corrosion of steel wires of a main cable of a suspension bridge in a weak light environment, characterized in that, Include: The shell (101) is arranged in an annular array; The acquisition mechanism is arranged inside the shell (101), and the acquisition mechanism is used for collecting steel wire image; The lighting mechanism is arranged inside the shell (101), and the lighting mechanism is used for the acquisition mechanism to work in weak light environment; The connecting mechanism is arranged between two adjacent shells (101); The supporting mechanism is arranged at the bottom end of the shell (101).
2. The weak light environment suspension bridge main cable steel wire corrosion identification device according to claim 1, characterized in that, The acquisition mechanism includes a plurality of cameras (201), and the plurality of cameras (201) are installed at intervals inside the shell (101).
3. The device for identifying corrosion of steel wires of a main cable of a suspension bridge in a weak light environment according to claim 2, characterized in that, The lighting mechanism includes a lighting board (301), the lighting board (301) is installed on the inner wall of the shell (101), and the inside of the shell (101) is provided with a protection mechanism.
4. The weak light environment suspension bridge main cable steel wire corrosion identification device according to claim 3, characterized in that, The protection mechanism includes a light transmission plate (401), the light transmission plate (401) is fixedly connected to the side of the inner wall of the shell (101), the outer wall of the light transmission plate (401) is provided with a plurality of clamping holes (402) at intervals, and the camera (201) is arranged in the clamping hole (402).
5. The weak light environment suspension bridge main cable steel wire corrosion identification device according to claim 1, characterized in that, The supporting mechanism includes a supporting seat (501), and the top end of the supporting seat (501) is fixedly connected with the bottom end of the shell (101).
6. The weak light environment suspension bridge main cable steel wire corrosion identification device according to claim 1, characterized in that, The connecting mechanism includes a first connecting block (601) and a second connecting block (603), the first connecting block (601) is fixedly connected to one side of the shell (101), the second connecting block (603) is fixedly connected to the other side of the shell (101), the top end of the first connecting block (601) is provided with a slot (602), and the second connecting block (603) corresponds in position to the slot (602).
7. The device for identifying corrosion of steel wires of a main cable of a suspension bridge in a weak light environment according to claim 6, characterized in that, The inner wall of the slot (602) is provided with a second insertion hole (704), the outer wall of the second connecting block (603) is provided with a first insertion hole (702), the inner walls of the second insertion hole (704) and the first insertion hole (702) are provided with a fixing bolt (703), the inner wall of the slot (602) is provided with a threaded hole (701), and the outer wall of the fixing bolt (703) is threadedly connected with the inner wall of the threaded hole (701).