Tire detection system

Abstract

The utility model discloses a tire detection system, relates to the technical field of automobile tire safety detection, the tire detection system comprises a base and a detection member, the upper end face of the base is provided with a transparent support member used for supporting a vehicle, the detection member comprises a first detection member and a second detection member, the first detection piece is arranged on the base corresponding to the lower portion of the transparent supporting piece, the first detection piece is used for obtaining image information of the inner side of the wheel and the tread, the second detection piece is arranged on the base, one end of the second detection piece is arranged above the transparent supporting piece, and the second detection piece is used for obtaining image information of the outer side of the wheel. The detection end of the first detection piece has a movement stroke in the first direction so that the detection end of the first detection piece can be adjusted to the corresponding position of the wheel, and the first direction is the horizontal plane direction; according to the tire safety detection device, the tire safety detection can be completed in the vehicle driving process, the detection process is coherent and convenient, and the tire safety detection device has good application prospects.

Description

Technical Field

[0001] This utility model relates to the field of automobile tire safety inspection technology, and in particular to a tire inspection system. Background Technology

[0002] Tire punctures are a significant hazard affecting normal driving. Common types of tire punctures include thumbtacks, triangular nails, and four-corner nails. Due to their small size and difficulty in removing them, they can easily cause accidents. Current tire inspection technologies generally require removing the tire or lifting the entire vehicle to inspect it. This conventional inspection method is time-consuming and labor-intensive, and cannot be adapted to scenarios requiring rapid passage, such as gas stations and highway toll booths. Furthermore, it suffers from a high degree of reliance on manual labor. Utility Model Content

[0003] The main purpose of this invention is to propose a tire inspection system that addresses the problems of traditional tire inspection methods, such as their inability to adapt to scenarios requiring rapid passage, like gas stations and highway toll booths, and their heavy reliance on manual labor.

[0004] To achieve the above objectives, the tire inspection system proposed in this utility model includes:

[0005] A base, wherein a transparent support member is provided on the upper surface of the base for supporting the vehicle; and,

[0006] The detection component includes a first detection component and a second detection component. The first detection component is disposed on the base below the transparent support component and is used to acquire image information of the inner side of the wheel and the tread surface. The second detection component is disposed on the base and one end of the second detection component is disposed above the transparent support component to acquire image information of the outer side of the wheel.

[0007] The first detection element has a detection end with a travel distance along a first direction, which is used to adjust the detection end of the first detection element to the corresponding position of the wheel, and the first direction is the horizontal plane direction.

[0008] In one embodiment, the first detection element includes two first detection parts, which are arranged parallel to each other on the base.

[0009] In one embodiment, the first detection unit includes:

[0010] A slide rail is mounted on the base along the first direction, and at least two slide blocks are mounted on the slide rail;

[0011] A first camera device is mounted on the slide; and,

[0012] A drive device is mounted on the base and connected to the slide block to drive the slide block to move along the first direction on the slide rail.

[0013] In one embodiment, the camera is rotatably mounted on the slide, and the slide is further provided with a rotation drive member, which is connected to the first camera device to drive the first camera device to rotate in a vertical plane.

[0014] In one embodiment, one of the first detection units is configured as a tread detection unit to acquire image information of the wheel tread, and the other of the first detection units is configured as a first level detection unit to acquire image information of the inner side of the wheel.

[0015] In one embodiment, at least two first horizontal detection units are provided.

[0016] In one embodiment, the second detection element includes two second detection sections, which are respectively disposed on both sides of the transparent support element along the first direction on the base.

[0017] In one embodiment, the second detection unit includes:

[0018] A vertical support portion is provided on the base; and,

[0019] The second camera device is installed at the upper end of the vertical support and is positioned above the upper surface of the transparent support.

[0020] In one embodiment, the first detection unit includes a first camera device;

[0021] Both the first and second camera devices are industrial cameras and are equipped with lasers.

[0022] In one embodiment, the base is further provided with a display control device, which is used to process image information and output it externally; and / or,

[0023] The transparent support includes a horizontal support portion and two inclined support portions. The two inclined supports are connected to the two ends of the horizontal support portion corresponding to the second direction, and the other end of each of the two inclined support portions is connected to the base. The second direction is arranged perpendicular to the first direction in a horizontal plane, and at least the horizontal support portion is made of transparent material.

[0024] In this invention, the first and second camera devices work together to acquire wheel appearance information of a vehicle. The entire structure is flexible and adaptable to various types of automobiles. Furthermore, the detection process is continuous, allowing inspection to be completed without tire removal, making it suitable for high-speed traffic scenarios and significantly improving inspection convenience. During testing, both the first and second camera devices emit a laser line of a certain width and intensity, projecting it onto the tire surface. By accurately extracting the central skeleton information of the laser line through threshold segmentation and thinning algorithms, and based on the geometric model of line structured light and the imaging principle of the camera, a mapping relationship between the laser line and the tire surface depth information is established, thereby calculating the depth value of each point on the tire surface. This technology utilizes a line laser and an industrial camera to acquire tire surface images, and then uses 2.5D technology to convert 2D images to 2.5D information. By establishing algorithms in the early stages, it can determine whether the tire has a puncture risk, greatly improving tire inspection efficiency. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0026] Figure 1 A schematic diagram of the overall structure of an embodiment of the tire inspection system provided by this utility model;

[0027] Figure 2 for Figure 1 A schematic diagram showing the installation of the first and second detection units on the base;

[0028] Figure 3 For application Figure 1 Flowchart of the tire testing system.

[0029] Explanation of icon numbers:

[0030] 100. Tire inspection system; 1. Display control device; 2. Transparent support; 21. Horizontal support; 22. Inclined support; 3. Base; 4. First inspection unit; 41. Slide rail; 411. Slide seat; 42. First camera device; 5. Second inspection unit; 51. Vertical support; 52. Second camera device.

[0031] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0033] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0034] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0035] Tire punctures are a significant hazard affecting normal driving. Common types of tire punctures include thumbtacks, triangular nails, and four-corner nails. Due to their small size and difficulty in removing them, they can easily cause accidents. Current tire inspection technologies generally require removing the tire or lifting the entire vehicle to inspect it. This conventional inspection method is time-consuming and labor-intensive, and cannot be adapted to scenarios requiring rapid passage, such as gas stations and highway toll booths. Furthermore, it suffers from a high degree of reliance on manual labor.

[0036] This utility model proposes a tire inspection system 100 to solve the above problems.

[0037] Please see Figures 1 to 3In one embodiment of this utility model, it specifically relates to vehicle tire safety detection technology, specifically a real-time tire damage detection system based on dynamic line structured light scanning combined with 2.5D technology and multimodal data fusion, suitable for non-contact tire puncture risk assessment of vehicles in slow-moving conditions. Specifically, the tire detection system 100 includes two main parts: a base 3 and detection components. The base 3, as the most basic mounting component, is a plate-shaped structure with its lower end face attached to the ground. The upper end face of the base 3 is the specific structural mounting surface. To facilitate scanning of the tire tread and the inner surface of the tire corresponding to the vehicle body direction, a support structure is provided on the base 3 to support the vehicle, providing a certain vertical space between the vehicle and the base 3. The first detection component can be installed within the vertical space formed by the support structure and the base 3. The first detection component is used to acquire image information of the inner side of the wheel and the tire tread. To better acquire the above information, in this embodiment, the support structure is configured as a transparent support member 2. When acquiring image information of the inner side of the wheel and the tread surface, the car slowly moves from the inclined support portion 22 at the end of the transparent support member 2 to the horizontal support portion 21 of the transparent support member 2. At this time, the first detection element located on the base 3 will acquire image information of the inner side of the wheel and the tread surface through the transparent support member 2. Simultaneously, the second detection element located on the side of the transparent support member 2 will acquire image information of the outer side of the car wheel. During this process, considering that the specific position of the wheels of different vehicles is different when they drive onto the transparent support member 2, in order to ensure the clarity of the image information acquired by the first detection element, in this embodiment, the detection end of the first detection element is also configured as a movable structure that can be adjusted along the first horizontal direction. Specifically, during the detection process, the position of the detection end of the first detection element can be adjusted according to the actual position of the wheel on the transparent support member 2, so that the acquired wheel surface image information can better reflect the true state of the outer side of the wheel, thereby ensuring the accuracy of the detection results.

[0038] During the above detection process, after the first and second detection components obtain the true image information of the wheel surface, the image information can be processed and the true image model of the wheel surface can be reconstructed through imaging principles and algorithm analysis, thereby realizing the conversion from 2D image to 2.5D information, and making it easier for relevant inspection personnel to observe the true condition of the outer surface of the wheel.

[0039] The first detection element includes two identical first detection units 4, which are arranged parallel to each other on the base 3. Specifically, the first detection unit 4 includes a slide rail 41, a first camera device 42, and a drive device. The slide rail 41 extends along the first direction and has a groove structure. At least two slide blocks 411 are installed in the groove structure, and both slide blocks 411 can move within the groove structure corresponding to the first direction. The at least two slide blocks 411 are provided to correspond to the wheel structures on the left and right sides of the vehicle, respectively. During detection, as the vehicle moves, the relevant image information of both wheels can be collected simultaneously, making information collection more efficient. The first camera device 42 is mounted on the slide block 411 and moves with the slide block 411 to acquire image information of the wheel surface in real time. To achieve the self-adjusting function of the slide block 411, a drive device is used to connect the slide block 411 in this embodiment. The drive device can drive the slide block 411 to move on the slide rail 41, so that the position of the first camera device 42 can correspond to the position of the wheel to obtain better image information. In actual implementation, some monitoring devices, such as camera structures or sensor devices, can be installed on the base 3 structure. When the car drives over the transparent support 2, relevant information about the position of the vehicle wheels can be obtained. Based on this information, the drive device can be controlled to work, thereby driving the first camera device 42 to adaptively move to the corresponding target detection position, thus improving the automation level of the entire structure and helping to improve detection efficiency.

[0040] It is conceivable that the slide block 411 moves linearly along the first direction on the slide rail 41, and the driving device can also be set as a linear drive structure. Common linear drive structures include cylinder components, push rod components, lead screw and slider structures, etc., which can all achieve the linear motion effect of the slide block 411 mentioned above. In actual settings, the selection and setting can be made according to the actual situation of production materials, and will not be elaborated here.

[0041] Car wheels vary in size, and when acquiring images of the inner and outer sides of the wheel, it's best to position the wheel in the center. Therefore, in this embodiment, the first camera device 42 is configured with an adjustable shooting angle. Specifically, a rotating shaft is mounted on the housing of the first camera device 42, which is rotatably mounted on the slide block 411. A rotary drive on the slide block 411 is connected to one end of the rotating shaft on the first camera device 42 to drive the first camera device 42 to rotate in a vertical plane. When acquiring image information of the inner side of the wheel, the rotary drive can rotate the first camera device 42 to adjust its camera tilt angle, allowing the first camera device 42 to focus on the center of the wheel for imaging, thus increasing the wheel's image size and achieving better image quality. Common motor components or push rod / linkage structures can be used to drive the first camera device 42 to rotate; the appropriate component can be selected based on the specific requirements.

[0042] The two first detection units 4 are used to acquire image information of the wheel tread and the inner side, respectively. Therefore, in this embodiment, one of the first detection units 4 is adapted to be a tread detection unit to acquire image information of the wheel tread, and the other first detection unit 4 is configured as a first horizontal detection unit to acquire image information of the inner side of the wheel. For the tread image and the inner side of the wheel image, in order to acquire more image information, multiple tread detection units and multiple first horizontal detection units can be set. In particular, multiple tread detection units can be set at intervals along the shape of the vehicle to acquire complete image information of the entire wheel tread through multiple first camera devices 42. For the first horizontal detection units, generally two are sufficient to meet the corresponding image information collection requirements.

[0043] The second detection element is used to acquire image information of the outer side of the wheel. Similarly, in order to collect image information of the outer side of both wheels of the car after one vehicle trip, in this embodiment, the second detection element is also configured to include at least two identical second detection parts 5. The two second detection parts 5 are respectively disposed on both sides of the transparent support member 2 along the first direction on the base 3. Specifically, the second detection part 5 includes a vertical support part 51 and a second camera device 52. The vertical support part 51 has a certain vertical height, and its upward end is set higher than the upper surface of the transparent support member 2. The second camera device 52 is installed above the vertical support part 51. Similar to the first horizontal detection part, two second detection parts 5 are arranged on one side of the transparent support part, that is, two second camera devices 52 are respectively provided on the left and right sides of the vehicle to simultaneously acquire image information of the outer side of the wheel. Furthermore, it is conceivable that the second camera device 52 can also be configured to have an adjustable shooting angle, and the vertical support part 51 can be rotatably mounted on the base 3, with a corresponding driving component on the base 3 to drive the second camera device 52 to rotate, etc. The settings can be made according to the actual situation of the production materials to obtain better image quality.

[0044] Both the first camera device 42 and the second camera device 52 are industrial cameras equipped with lasers. They use lasers combined with image processing technology to inspect tires. The inspection process is as follows: start inspection - calculate compensation parameters - adjust laser frequency - collect data - data stitching - defect detection - output inspection results. Specifically, during tire inspection, the driver can scan a QR code on the display control device 1 to access a mini-program. After the car is driven onto the transparent support 2, the system obtains the vehicle speed in real time via a radar speedometer. Multiple adjustable power line lasers and a global shutter high-speed industrial camera dynamically adjust the laser scanning frequency and camera exposure parameters to eliminate motion blur. The first camera device 42 and the second camera device 52 project stripe light onto the tire surface using lasers. Defects on the tire surface cause deformation of the light stripes, and the industrial camera captures these deformed stripe images. The first camera device 42 uses a slide rail 41 to move and find a suitable shooting angle, adapting to vehicles with different tread patterns and sizes, thus improving the universality of the inspection. After the images are captured, a denoising algorithm is used to remove random noise and improve image quality. Thresholding segmentation and thinning algorithms are then used to accurately extract the central skeleton information of the laser lines. Based on the geometric model of line structured light and the imaging principle of the camera, a mapping relationship between the laser lines and the depth information of the tire surface is established. By calculating the offset of the stripes and combining known optical parameters, the system can reconstruct the contour of the tire surface, achieving the conversion from 2D image to 2.5D information, and transmitting it to the display control device 1 on the base 3, which is the image processing system. The collected image data is input to the multimodal data fusion detection module in the display control device 1. This module adopts a cascaded lightweight network architecture. The processing model extracts geometric anomaly features of the tire surface through geometric analysis. Through training with a large number of prior samples, it quickly identifies whether there is a risk of punctures in the car tires. Subsequently, the non-intrusive interaction module displays corresponding evidence through a mini-program after the image is captured. Image analysis is used to predict and assess this risk and provide reasonable suggestions. The processed results are obtained by scanning a QR code on the display screen of the display control device 1 to access the corresponding measurement results through the mini-program. Compared to traditional measurement methods, this solution does not require tire removal for inspection, making it suitable for scenarios requiring rapid passage, such as gas stations and highway toll stations. Furthermore, it is less reliant on manual labor, allowing car owners to complete the inspection independently. It boasts advantages such as wide applicability, ease of use, and low labor costs.

[0045] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A tire inspection system, characterized in that, include: A base, wherein a transparent support member is provided on the upper surface of the base for supporting the vehicle; as well as, The detection component includes a first detection component and a second detection component. The first detection component is disposed on the base below the transparent support component and is used to acquire image information of the inner side of the wheel and the tread surface. The second detection component is disposed on the base and one end of the second detection component is disposed above the transparent support component to acquire image information of the outer side of the wheel. The first detection element has a detection end with a travel distance along a first direction, which is used to adjust the detection end of the first detection element to the corresponding position of the wheel, and the first direction is the horizontal plane direction.

2. The tire inspection system as described in claim 1, characterized in that, The first detection element includes two first detection parts, which are arranged parallel to each other on the base.

3. The tire inspection system as described in claim 2, characterized in that, The first detection unit includes: A slide rail is mounted on the base along the first direction, and at least two slide blocks are mounted on the slide rail; A first camera device is mounted on the slide; and, A drive device is mounted on the base and connected to the slide block to drive the slide block to move along the first direction on the slide rail.

4. The tire inspection system as described in claim 3, characterized in that, The camera is rotatably mounted on the slide, and the slide is also provided with a rotation drive component. The rotation drive component is connected to the first camera device to drive the first camera device to rotate in a vertical plane.

5. The tire inspection system as described in claim 2, characterized in that, One of the first detection units is configured as a tread detection unit to acquire image information of the wheel tread, and the other of the first detection units is configured as a first horizontal detection unit to acquire image information of the inner side of the wheel.

6. The tire inspection system as described in claim 5, characterized in that, The first level detection unit is configured to be at least two.

7. The tire inspection system as described in claim 2, characterized in that, The second detection element includes two second detection parts, which are respectively disposed on both sides of the transparent support element along the first direction on the base.

8. The tire inspection system as described in claim 7, characterized in that, The second detection unit includes: A vertical support portion is provided on the base; and, The second camera device is installed at the upper end of the vertical support and is positioned above the upper surface of the transparent support.

9. The tire inspection system as described in claim 8, characterized in that, The first detection unit includes a first camera device; Both the first and second camera devices are industrial cameras and are equipped with lasers.

10. The tire inspection system as described in claim 1, characterized in that, The base is also equipped with a display control device, which is used to process image information and output it externally; and / or, The transparent support includes a horizontal support portion and two inclined support portions. The two inclined supports are connected to the two ends of the horizontal support portion corresponding to the second direction, and the other end of each of the two inclined support portions is connected to the base. The second direction is arranged perpendicular to the first direction in a horizontal plane, and at least the horizontal support portion is made of transparent material.

Images