WO2022057690A1

WO2022057690A1 - Detection device

Info

Publication number: WO2022057690A1
Application number: PCT/CN2021/117007
Authority: WO
Inventors: 王小龙; 应红峰
Original assignee: 深圳市道通科技股份有限公司
Priority date: 2020-09-21
Filing date: 2021-09-07
Publication date: 2022-03-24
Also published as: CN112033698A

Abstract

A vehicle detection device, comprising: a handheld housing (10); a detection unit (20), configured to detect a brake disc or a tread; a code reading unit (30), arranged on the handheld housing (10) and configured to acquire an image of a code on a side face of a tire or acquire an image of vehicle information carried by a vehicle; and a control unit (50), electrically connected to the code reading unit (30) and configured to receive the image acquired by the code reading unit (30) and parse relevant information of the tire or the vehicle according to the image. Said device enables quick and accurate reading of tire code information or vehicle information without removing or rotating a tire.

Description

a detection device

This application claims the priority of the Chinese patent application with the application number of 202010996434.7 and the application title of "a detection device" filed with the China Patent Office on September 21, 2020, the entire contents of which are incorporated into this application by reference.

technical field

The present application relates to the field of vehicle state detection, and in particular, to a detection device.

Background technique

In North American automobile manufacturers, the law stipulates that the automobile manufacturer must store the corresponding tire production date in the database when installing the tire. All tire information is written on the side of the carcass, using DOT (Department of Transportation) coding. In the process of auto repair and diagnosis, especially the detection of tire wear state, this DOT information needs to be entered. Usually, manual reading of the code is used. Although this method is simple to operate, it is not fast and accurate enough.

The applicant of the present invention found in the process of implementing the present invention that a single portable detection device is needed, which can quickly, simply and accurately read the DOT code information of the vehicle.

SUMMARY OF THE INVENTION

The main technical problem solved by the embodiments of the present invention is to provide a detection device that can quickly and accurately read the tire coding information without removing or rotating the tire.

In order to solve the above-mentioned technical problems, a technical solution adopted in the present invention is to provide a detection device, comprising:

hand-held case;

a detection unit, the detection unit is used to detect the brake disc or the tread;

a code reading unit, the code reading unit is arranged on the hand-held casing, and the code reading unit is used for collecting the image of the code on the side of the tire, or collecting the image of the vehicle information carried by the vehicle;

A control unit, the control unit is electrically connected with the code reading unit, and the control unit is configured to receive the image collected by the code reading unit, and identify the information in the image.

Optionally, the detection unit includes:

an optoelectronic component, the optoelectronic component is arranged on the hand-held housing, and the optoelectronic component is used for emitting a light beam to project the light onto the brake disc or the tread surface;

An image acquisition component, the image acquisition component is disposed on the hand-held housing, and the image acquisition component is used for acquiring an image containing the light.

Optionally, the control unit is electrically connected to the photoelectric component and the image acquisition component respectively, and the control unit is further configured to receive the image and detect the brake according to the light in the image. disc or the tread.

Optionally, the control unit is further configured to judge whether the brake disc or the tire needs to be replaced according to the information transmitted by the code reading unit and the detection result of the brake disc or the tread. .

Optionally, the relative positions of the optoelectronic component and the image acquisition component are fixed.

Optionally, the hand-held housing includes a hand-held end and a detection end extending from the hand-held end, the optoelectronic component and the image acquisition component are arranged on the detection end, and the code reading unit is arranged on the Handheld.

Optionally, the optoelectronic assembly and the image acquisition assembly are arranged on the same side of the handheld housing;

The code reading unit is located on the same side of the optoelectronic assembly and the image capturing assembly; or, the code reading unit is located at a side away from the optoelectronic assembly and the image capturing assembly.

Optionally, the field of view of the image acquisition component is smaller than the field of view of the code reading unit.

Optionally, the image acquisition component includes a fixed-focus lens, and the code reading unit includes a zoom lens.

Optionally, the detection unit includes an optoelectronic component, and the optoelectronic component is disposed on the hand-held housing, and the optoelectronic component is used for emitting a light beam to project the light onto the brake disc or the tread;

The code reading unit is also used for capturing an image containing the light.

Optionally, the control unit is electrically connected to the optoelectronic component, and the control unit is further configured to control the optoelectronic component to emit light beams.

Optionally, the control unit is further configured to receive the image and detect the brake disc or the tread according to the light in the image.

Optionally, according to the detection device according to any one of the above, the detection device further comprises lighting equipment;

The lighting device is fixed to the hand-held housing, and the lighting device is used to illuminate the area coded on the tire.

Optionally, the lighting device is provided in the code reading unit.

Optionally, the number of the lighting devices is at least two, and the at least two lighting devices are arranged on both sides of the image capturer.

Optionally, according to the detection device according to any one of the above, the code reading unit includes a camera module and a lens;

The fixing frame is provided with two installation grooves and a light hole, the light hole is located between the two installation grooves, the lighting device is fixed to the fixing frame, and the lighting device corresponds to the light hole, one The lighting device is installed in one of the installation grooves, and a lens cover is arranged on a notch of the installation groove.

Optionally, the detection device further includes:

Optionally, according to the detection device according to any one of the above, the detection device further includes a display unit, the display unit is arranged on the handheld casing and is electrically connected with the control unit, and the display unit is used for The output information of the control unit is displayed.

Optionally, the display unit is electrically connected to the code reading unit, and the display unit is further configured to display video data captured by the code reading unit in real time.

Optionally, the detection device further includes:

an input unit, the input unit is electrically connected with the control unit, and is used for receiving an instruction input by a user, the instruction is used for instructing the control unit to control the code reading unit to collect the video data from the video data encoded image.

Optionally, the display unit and the code reading unit are disposed on two sides of the handheld housing.

Optionally, the detection device according to any one of the above, further comprising:

a start button, the start button is respectively connected with the detection unit, the code reading unit and the control unit, and the start button is used to turn on or off the detection unit, the code reading unit and the control unit At least one of the control units operates.

Optionally, the start button and the code reading unit are disposed on both sides of the handheld casing.

A power supply unit, the power supply unit is arranged on the handheld casing, and the power supply unit is respectively electrically connected to the optoelectronic component of the optoelectronic unit, the image acquisition component of the image acquisition unit, and the control unit.

Optionally, the detection device further includes a calibration unit, the calibration unit includes a calibration base and a calibration element disposed on the calibration base, and the calibration element is used for calibration of the detection device.

Optionally, the calibration element includes a calibration plane disposed on the calibration base, and a calibration groove located in the calibration plane.

Optionally, the number of the calibration grooves is multiple, and the depths of the multiple calibration grooves are different.

Optionally, the calibration base is further provided with a fixing groove, and the fixing groove is used for accommodating the support base, so as to install the handheld shell on the calibration base.

Optionally, the detection device further includes a magnetic attraction unit, the magnetic attraction unit includes a first magnetic attraction piece and a second magnetic attraction piece, the first magnetic attraction piece is disposed on the support seat, the second magnetic attraction piece The magnetic attraction piece is arranged in the fixing groove.

In the embodiment of the present invention, both the code reading unit and the control unit are arranged in the hand-held casing, thereby realizing the convenience of carrying the detection device. When the tire or vehicle information needs to be acquired, the code reading unit is aimed at the information code area of the tire or the information area of the vehicle, and the code reading unit collects the tire code information or The vehicle information of the vehicle and the code information of the tire or the vehicle information of the vehicle are transmitted to the control unit, and the control unit transmits the code information of the tire or the vehicle information of the vehicle to the display unit, and the display The unit presents the code information of the tire or the vehicle information of the vehicle for the user to view, so that the detection device can quickly and accurately read the tire code information without removing or rotating the tire, or quickly obtain the vehicle information. .

Description of drawings

Fig. 1 is the overall schematic diagram of the embodiment of the detection device of the present invention;

2 is a schematic cross-sectional view of an embodiment of the detection device of the present invention;

FIG. 3 is a schematic diagram of electrical connection of an embodiment of the detection device of the present invention;

Fig. 4 is the schematic diagram of another angle of view of Fig. 1;

Fig. 5 is the schematic diagram of another angle of view of Fig. 4;

6 is a schematic diagram of an application scenario of an embodiment of the detection device of the present invention;

Fig. 7 is the exploded schematic diagram of the code reading unit of the embodiment of the detection device of the present invention;

8 is a schematic diagram of another application scenario of the embodiment of the detection device of the present invention;

9 is a partial enlarged view of an embodiment of the detection device of the present invention;

10 is a schematic diagram of a calibration unit of an embodiment of the detection device of the present invention;

FIG. 11 is another schematic diagram of the calibration unit of the embodiment of the detection device of the present invention.

detailed description

In order to facilitate understanding of the present invention, the present invention will be described in more detail below with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element, or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this specification are for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the technical field of the present invention. The terms used in the description of the present invention in this specification are only for the purpose of describing specific embodiments, and are not used to limit the present invention. As used in this specification, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to FIGS. 1 to 3 . The detection device 1 includes a handheld housing 10 , a detection unit 20 , a code reading unit 30 , a feedback unit 40 , a control unit 50 and a display unit 60 . The detection unit 20 , the code reading unit 30 , the feedback unit 40 , the control unit 50 and the display unit 60 are all installed in the handheld housing 10 , the detection unit 20 , the code reading unit 30 , the feedback unit 40 , and the display The units 60 are respectively electrically connected to the control unit 50 . Wherein, at least one side of the detection unit 20 is disposed on the outer surface of the hand-held casing 10 , the detection unit 20 emits a laser beam through the exterior of the hand-held casing 10 , and at least one side of the code reading unit 30 is arranged on the outer surface of the hand-held casing 10 , the code reading unit 30 obtains the external information of the hand-held casing 10 through this surface, the control unit 50 is arranged in the hand-held casing 10, and the control unit 50 can be realized by a PCB board, which is fixed on the inside the hand-held housing 10, that is, not visible. Optionally, the detection device 1 may further include a feedback unit 40 and a display unit 60 . The feedback unit 40 may be provided in the handheld housing 10 , or a portion of the feedback unit 40 may be provided on the outer surface of the handheld housing 10 . At least one side of the display unit 60 is disposed on the outer surface of the handheld housing 10 .

The detection unit 20 is used to detect the brake disc or tire tread of the vehicle to obtain the wear measurement data of the brake disc or the tread, and the code reading unit 30 is used to collect the code image on the side of the tire, or collect the coded image carried by the vehicle. The image of the vehicle information, the control unit 50 can identify the code or the vehicle information according to the code image or the image of the vehicle information, and further parse out the brake disc or tread-related feature information represented by the code or the vehicle information, wherein the brake disc or The feature information related to the tread is used to represent the characteristics of the brake disc or the tread or the characteristics of the vehicle to which the brake disc or the tread belongs. Further, the control unit 50 can also determine the wear replacement standard of the brake disc or the tread according to the characteristic information of the brake disc or the tread, and then can generate the wear diagnosis result according to the wear measurement data and the wear replacement standard measured by the measurement unit 20. , to determine if the brake disc or tread needs to be replaced. The control unit 50 may include a plurality of processors, which may be integrated or distributed, the detection unit 20 or the code reading unit 30 may be integrated with the processors, respectively, and the detection unit 20 or the The processor integrated in the code reading unit 30 can realize functions such as image recognition. In an implementation manner, the detection unit 20 includes an optoelectronic component 201 and an image acquisition component 202, the control unit 50 controls the optoelectronic component 201 to emit light beams, so as to project the light onto the brake disc or tread, and the image acquisition Component 202 captures an image containing light.

In another implementation manner, the code reading unit 30 may replace the image acquisition component 202 to acquire light images. That is, the detection unit 20 only includes the optoelectronic component 201 .

The display unit 60 is used to display the wear diagnosis result generated by the control unit 50, such as prompting whether the brake disc or tread needs to be replaced.

The feedback unit 40 is used to prompt the end of the detection process or the output of the detection result.

The hardware of the control unit 50 may be existing hardware, such as: Intel Corporation's Core processor, AMD Corporation's Ryzen processor, and so on.

For the above-mentioned handheld casing 10, please refer to FIG. 4, the handheld casing 10 is divided into a handheld terminal 101 and a detection terminal 104, the detection unit 20 is arranged on the detection terminal 104, and the code reading unit 30 is arranged on the Handheld terminal 101 . The code reading unit 30 is disposed on the same side of the detection unit 20 , or the code reading unit 30 is located on the side away from the detection unit 20 . The handheld housing 10 is provided with a support base 103 , a first accommodating cavity 104 and a second accommodating cavity 105 . The support base 103 is located at one end of the detection end 104 of the handheld housing 10 , and the support base 103 is used for the detection device 1 to rest on the brake disc or tread during measurement. The first accommodating cavity 104 and the second accommodating cavity 105 are disposed on the same side of the handheld housing 10 at intervals. The side of the support seat 103 away from the handheld housing 10 is a smooth plane, and the smooth surface of the support seat 103 away from the handheld housing 10 is used to abut the brake disc or the tread surface. The first accommodating cavity and the second accommodating cavity 105 for accommodating the detection unit 20 .

Please refer to FIG. 5 , in some embodiments, the handheld casing 10 is further provided with a start button 106 , the start button 106 is respectively connected to the detection unit 20 , the code reading unit 30 and the control unit 50 , and the start button 106 can be used to turn on or off at least one of the detection unit 20 , the code reading unit 30 , the control unit 50 and the display unit 60 to work. For example: when the detection device 1 needs to detect the brake disc or the tread, the user can place the support base 103 of the detection device 1 on the surface of the brake disc or the tread and then quickly A single press of the start button 106 detects the brake disc or the tread. When the detection device 1 needs to detect and read the information of the tire or vehicle, the user can align the code reading unit 30 at the tire or vehicle to be tested and then quickly press the start button twice for the tire to be tested. Or the vehicle performs information detection and reading.

The detection unit 20 includes an optoelectronic component 201 and an image acquisition component 202 . The optoelectronic component 201 is arranged in the first receiving cavity 104, the image capturing component 202 is arranged in the second receiving cavity 105, and the optoelectronic component 201 and the image capturing component 202 are both electrically connected to the controller unit 50. The optoelectronic assembly 201 is used for emitting light beams and projecting the light beams onto the brake disc or the tread. The image capturing component 202 is used for capturing images formed by the light emitted by the optoelectronic component 201 and hitting the brake disc or the tread.

In some embodiments, the image capture assembly 202 includes a fixed focus lens. Since the distance from the image capturing assembly 202 to the support base 103 is fixed, the fixed-focus lens can quickly capture the image formed by the light emitted by the optoelectronic assembly 201 and hitting the brake disc or the tread.

In some embodiments, the first accommodating cavity 104 and the second accommodating cavity 105 are arranged at a predetermined angle to achieve the center axis and The optical axis of the image capturing assembly 202 placed in the second receiving cavity 105 is preferably set at a preset angle. The optical axis of the image capture component 202 is at a preset angle with the central axis of the light beam emitted by the photoelectric component 201, so that the image capture component 202 can better capture the emission from the photoelectric component 201 and hit the brake disc or other components. The image formed by the light of the tread.

In order to facilitate users to understand the inventive concept of the present invention, a tire is used as an example to illustrate the detection process of the detection device.

As shown in FIG. 6 , the support base 103 of the detection device 1 is abutted on the surface of the tire 2 , and then the detection device 1 is activated by the activation button 106 , and the control unit 50 controls the optoelectronic component 201 to send the tire to the tire 2 . 2. The light beam is emitted, and the image acquisition device 30 collects the image emitted by the optoelectronic component 201 on the tire 2, and transmits the collected image to the control unit 50, and the control unit 50 collects the image according to the image The image transmitted from the component 202 is subjected to arithmetic processing to obtain the wear state of the tire 2 .

In some embodiments, when the optoelectronic component 201 is placed in the first receiving cavity 104 , the central axis of the light beam emitted by the optoelectronic component 201 is at right angles to the support base 103 .

In some embodiments, in order to improve the detection effect, a straight line formed by projecting the light beam emitted by the optoelectronic component 201 onto the brake disc or the tread surface is parallel to the central axis of the brake disc or the tread surface.

Referring to FIG. 7 , the detection device 1 further includes an illumination device 31 , and the code reading unit 30 includes a fixing frame 301 , a camera module 302 , and a lens 303 . The camera module 302 , the lighting device 31 and the lens 303 are all mounted on the fixing frame 301 , and the fixing frame 301 is arranged on the handheld housing 10 . The camera module 302 and the lighting device 31 are both electrically connected to the control unit 50 . The lighting device 31 is used to illuminate the position of the code on the tire, and the camera module 302 is used to acquire the image of the code on the tire. The lighting device 31 and the lens 303 are oppositely disposed on the fixing frame 301, and the lens 303 is used to cooperate with the fixing frame 301 to seal the lighting device 31 in the hand-held housing 10 to avoid the The lighting device 31 is contaminated so that the light emitted by the lighting device 31 is reduced and the image captured by the camera module 302 is affected.

Specifically, in the embodiment of the present invention, the number of the lighting device 31 and the lens 303 is two, and the fixing frame 301 is provided with two installation slots 3011 and light holes 3012, and the light holes 3012 are located at two Between the two installation grooves 3011, two installation grooves 3011 are symmetrically arranged on both sides of the light hole 3012, the lighting device 31 is fixed on the fixing frame 301, the camera module 302 and the light Corresponding to the holes 3012 , a lighting device 31 is installed in an installation groove 3011 , and a lens 303 is covered with a notch of the installation groove 3011 . In this way, the brightness of the illumination device 31 illuminating the code on the tire area will be guaranteed, and it is possible to avoid the situation where the brightness of the image obtained by the camera module 302 is inconsistent between the left and right as far as possible, thereby ensuring that the parsed image The accuracy of coded information or vehicle information.

Further, the camera module 302 includes a zoom lens. Please refer to FIG. 8 , because the wheels 2 have different sizes, and the sizes of different tires 2 are different, the size of the area of the encoded information attached to the tires 2 is also different, so the code reading unit 30 is in the The distances between the detection device 1 and the tire 2 are also different when recognizing the code information of the tire 2 , and the zoom lens can focus on the tire code information by zooming. When the code reading unit 30 transmits the focused tire information image to the control unit 50, the control unit 50 will analyze the code information image to obtain the corresponding information of the tire 2, for example: tire Face width, aspect ratio, radial, used wheel size, load index, speed, and tire DOT information (manufacturer, factory information, wear index, traction index, high temperature index, load bearing quality and tread wear index, etc.), Then the control unit 50 transmits the corresponding information of the tire 2 to the display unit 60 for viewing by the user, and at the same time the control unit 50 stores the tire information until the detection device 1 checks the brake After the disc or the tread is detected, it is calculated and analyzed in combination with the information of the tire 2 to obtain an accurate tire wear condition, thereby judging whether the brake disc or the tire 2 needs to be replaced, and the tire wear condition and judgment information. transmitted to the display unit 60 for viewing by the user.

In this embodiment of the present invention, the field of view of the image acquisition component 202 is smaller than the field of view of the code reading unit 30 . The image acquisition component 202 has a concentrated field of view to improve the acquisition accuracy of images including light, and the code reading unit 30 has a wide field of view to adapt to the different ranges in which codes on different tires are imprinted on the tires.

In some embodiments, the lighting device 31 is separated from the fixing frame 301 , and the lighting device 31 is fixed on the handheld housing 10 .

For the above feedback unit 40 , the feedback unit 40 is disposed in the handheld housing 10 , and the feedback unit 40 is electrically connected to the control unit 50 . After the control unit 50 completes the arithmetic processing of the image transmitted from the image acquisition component 202, the control unit 50 will control the feedback unit 40 to output a prompt message.

Specifically, the feedback unit 40 includes a vibration motor (not shown) and a buzzer (not shown), and both the vibration motor and the buzzer are electrically connected to the control unit 50 . The vibration motor reminds the user to perform different operation steps by generating vibration and the buzzer beeping. For example, the vibration of the vibration motor represents the contact between the detection device 1 and the brake disc or the tread. The contact position of the support seat 103 and the brake disc or the tread surface needs to be readjusted. The buzzer beeps to indicate that the detection is not completed but the support seat 103 is in contact with the brake disc or the tread surface. The tread is disengaged.

The detection device 1 further includes a display unit 60 , and the display unit 60 is electrically connected to the control unit 50 and the code reading unit 30 . The display unit 60 and the optoelectronic component 201 are disposed on opposite sides of the handheld housing 10, that is, the display unit 60 is arranged on one side of the handheld housing 10, and the optoelectronic component 201 and the image The collection assembly 202 is disposed on the other side of the hand-held housing 10 .

In the embodiment of the present invention, the display unit 60 is disposed on the side of the casing facing away from the first accommodating cavity 104 and the second accommodating cavity 105 , and the code reading unit 30 and the photoelectric Assembly 201 and the image acquisition assembly 202 are on the same side. The control unit 50 controls the feedback unit 40 to give a prompt after completing the image operation processing from the image acquisition component 202 or analyzing the encoded image or the image of the vehicle information from the encoding acquisition unit 30, and at the same time combining the detected data. Brake disc or tread wear measurement data and the parsed code or vehicle information to obtain a wear diagnosis result, and display the wear diagnosis result on the display unit 60, for example: whether to replace the tread or brake disc, the tread or brake disc is worn degree, remaining safe driving kilometers, etc. Or the display unit 60 displays tire information, such as: tread width, aspect ratio, radial, used wheel size, load index, speed, and tire DOT information (manufacturer, factory information, wear index, traction index, resistance High temperature index, load bearing quality and tread wear index, etc.). Or the display unit 60 is configured to display the video data captured by the code reading unit 30 in real time. It should be noted that the display unit 60 and the start button 106 are arranged on the same side of the handheld housing 10 .

In some embodiments, the display unit 60 further includes a touch display unit 60 (not shown), and the user can also operate the detection device 1 through the touch display unit 60 , and then use the touch display unit 60 to operate the detection device 1 . 60 to view different parameters of the brake disc or the tread, or to view the information of the tire through the display unit 60 .

In some embodiments, the detection device 1 further includes an input unit 61, the input unit 61 is electrically connected to the control unit 50, and is used for receiving an instruction input by a user, and the instruction is used to instruct the control unit 50 controls the code reading unit 30 to capture the encoded image from the video data. When the user views the video data provided by the code reading unit 30 through the display unit 60 in real time, and the user cannot understand the image information due to wear and tear of the image information, the user inputs an instruction to the input unit 61, and the input unit 61 according to The instruction instructs the control unit 50 to parse the image or tire data obtained by the code reading unit 30, and then the control unit 50 transmits the parsed tire data to the display unit 60 according to a predetermined format, and the The display unit 60 displays the parsed tire data for the user to view.

In some embodiments, as shown in FIG. 9 , the detection device 1 further includes a calibration unit 70 . The calibration unit 70 is used for calibrating the optoelectronic component 201 , the image acquisition component 202 and the control unit 50 of the detection device 1 when the detection device 1 does not need to detect the brake disc or the tread. In other words, the calibration unit 70 is equivalent to the brake disc or the tread with standard wear, the photoelectric component 201 emits light beams to the calibration unit 70, the image acquisition component 202 collects the light beams hitting the calibration unit 70, and the control unit 50 Identify the wear state of the calibration unit 70 according to the image collected by the image acquisition component 202, and then compare the identified wear state with the standard wear state. Wear state and standard wear state.

Specifically, please refer to FIG. 10 , the calibration unit 70 includes a calibration base 701 and a calibration element 702 , the calibration element 702 is arranged on the calibration base 701 , and the calibration element 702 is used to simulate the wear pattern arranged on the calibration unit 70 , used for calibration of the detection device 1 .

Specifically, the calibration element 702 includes a calibration plane 7021, a calibration groove 7022 and a fixing groove 7023. The calibration plane 7021 is arranged on the calibration base 701, and the calibration slot 7022 is arranged in the calibration plane 7021. The fixing groove 7023 is disposed on the same surface of the calibration base 701 relative to the calibration plane 7021 . Wherein, the number of the calibration grooves 7022 is multiple, and the depths of the multiple calibration grooves 7022 are all different and evenly distributed in the calibration plane 7021 . The outline of the fixing slot 7023 is consistent with the outline of the support base 103 , and the fixing slot 7023 is used for inserting the support base 103 , so that the handheld housing 10 is installed on the calibration unit 70 .

It can be understood that the calibration element 702 is not limited to the above-mentioned forms. For example, the calibration element 702 is a plurality of ridges, and the plurality of ridges are arranged side by side on the calibration base 701, and the heights of the plurality of ridges are different. .

In order to facilitate the reader's understanding, the following describes the calibration process of the detection device 1 .

When calibration is required, the support base 103 is installed in the fixing slot 7023, so that the handheld housing 10 is fixed on the calibration base 701, and the photoelectric component 201, the image acquisition component 202 and the control unit 50 are all located in Above the calibration element 702, the detection device 1 is activated, and the photoelectric component 201 emits light beams to project onto a plurality of the calibration slots 7022. The image capture device recognizes the images of the beams in the calibration slots 7022 and then The image is transmitted to the control unit 50, and the control unit 50 analyzes the heights of the plurality of different calibration grooves 7022 according to the graphic operation and matches the preset heights of the plurality of the different calibration grooves 7022 to realize self-calibration .

In some embodiments, please refer to FIG. 9 and FIG. 11 , the detection device 1 further includes a magnetic attraction unit 80 , and the magnetic attraction unit 80 includes a first magnetic attraction member 801 and a second magnetic attraction member 802 . The calibration base 701 is provided with a first magnetic suction slot (not shown in the figure), and the first magnetic suction slot is disposed on the other side of the calibration base 701 corresponding to the fixing slot 7023. The first magnetic suction slot is used for For installing the first magnetic element 801 . The support base 103 is provided with a second magnetic suction slot (not shown), the second magnetic suction groove is set on the side of the support base 103 away from the fixing slot 7023, and the second magnetic suction groove Used to install the second magnetic attraction piece 802 . When the support base 103 needs to be placed in the fixing slot 7023 , the first magnetic element 801 and the second magnetic attraction element 802 will provide a suction force to fix the support base 103 to the fixed position slot 7023, and when the detection device 1 is used to detect the brake disc, the detection device 1 can adsorb the support base 103 on the brake disc through the second magnetic attraction member 802, which is convenient for the operator test.

In some embodiments, the calibration base 701 may not have a first magnetic attraction slot, and the first magnetic attraction member 801 is installed in the first magnetic attraction slot, and the calibration base 701 may be made of magnetic metal prepared, e.g. iron. Therefore, the purpose that the support base 103 can be magnetically attracted to the calibration base 701 is achieved.

In other embodiments, the support base 103 may not have a second magnetic attraction slot, and the second magnetic attraction member 802 installed in the second magnetic attraction slot may be magnetically attracted through the support base 103 as a whole. Material preparation, eg: magnets. To achieve the magnetic attraction capability of the support base 103 .

In the embodiment of the present invention, the detection device 1 further includes a power supply unit 90, the power supply unit 90 is disposed in the handheld housing 10, and the power supply unit 90 is respectively connected to the optoelectronic component 201, the image acquisition component 202, Control unit 50 and feedback unit 40 .

In other embodiments, the detection device 1 may not have a power supply unit 90 , and the detection device 1 supplies power to the optoelectronic component 201 , the image capture component 202 , the control unit 50 and the feedback unit 40 through an external power supply.

In the embodiment of the present invention, by arranging the detection unit 20 and the code reading unit 30 in the handheld housing 10, the detection unit 20 can quickly detect the brake disc or the tread, and the code reading unit 30 can quickly identify the tire code or the tread. Vehicle information, the detection device 1 judges the state of the brake disc or tread in combination with the tire code or vehicle information, and displays the state information and judgment result of the brake disc or tread to the user through the display unit.

It should be noted that the description of the present invention and the accompanying drawings provide preferred embodiments of the present invention, however, the present invention can be implemented in many different forms, and is not limited to the embodiments described in this specification. These examples are not intended as additional limitations to the content of the present invention, and are provided for the purpose of providing a more thorough and complete understanding of the present disclosure. In addition, the above technical features continue to be combined with each other to form various embodiments not listed above, which are all regarded as the scope of the description of the present invention; further, for those of ordinary skill in the art, they can be improved or transformed according to the above description. , and all these improvements and transformations should belong to the protection scope of the appended claims of the present invention.

Claims

A detection device for detecting the tread of a brake disc or a tire of a vehicle, characterized in that it includes:

hand-held case;

a detection unit, the detection unit is used to detect the brake disc or the tread;

a code reading unit, the code reading unit is arranged on the hand-held casing, and the code reading unit is used for collecting the image of the code on the side of the tire, or collecting the image of the vehicle information carried by the vehicle;

A control unit, the control unit is electrically connected with the code reading unit, and the control unit is configured to receive the image collected by the code reading unit, and identify the information in the image.
The detection device according to claim 1, wherein the detection unit comprises:

an optoelectronic component, the optoelectronic component is arranged on the hand-held housing, and the optoelectronic component is used for emitting a light beam so as to project the light onto the brake disc or the tread;

An image acquisition component, the image acquisition component is disposed on the hand-held housing, and the image acquisition component is used for acquiring an image containing the light.
The detection device according to claim 2, wherein the control unit is electrically connected to the optoelectronic component and the image acquisition component, respectively, and the control unit is further configured to receive the image and analyze the The light in the image detects the brake disc or the tread.
The detection device according to claim 3, wherein the control unit is further configured to judge the brake according to the information transmitted by the code reading unit and the detection result of the brake disc or the tread. Whether the disc or the tire needs to be replaced.
The detection device according to claim 2, wherein the relative positions of the optoelectronic component and the image acquisition component are fixed.
The detection device according to claim 2, wherein the hand-held housing comprises a hand-held end and a detection end extending from the hand-held end, the optoelectronic component and the image acquisition component are arranged on the detection end, The code reading unit is arranged on the handheld terminal.
The detection device according to claim 2, wherein the optoelectronic component and the image acquisition component are arranged on the same side of the hand-held housing;

The code reading unit is located on the same side of the optoelectronic assembly and the image capturing assembly; or, the code reading unit is located at a side away from the optoelectronic assembly and the image capturing assembly.
The detection device according to claim 2, wherein the field of view of the image acquisition component is smaller than the field of view of the code reading unit.
The detection device according to claim 2, wherein the image acquisition component includes a fixed-focus lens, and the code reading unit includes a zoom lens.
The detection device according to claim 1, wherein the detection unit comprises an optoelectronic component, the optoelectronic component is disposed on the hand-held housing, and the optoelectronic component is used for emitting a light beam to project the light to the brake on the disc or on said tread;

The code reading unit is also used for capturing an image containing the light.
The detection device according to claim 10, wherein the control unit is electrically connected to the optoelectronic component, and the control unit is further configured to control the optoelectronic component to emit light beams.
The detection device according to claim 11, wherein the control unit is further configured to receive the image and detect the brake disc or the tread according to the light in the image.
The detection device according to any one of claims 1-12, wherein the detection device further comprises a lighting device;

The lighting device is fixed to the hand-held housing, and the lighting device is used to illuminate the area coded on the tire.
The detection device according to claim 13, characterized in that:

The lighting device is arranged on the code reading unit.
The detection device according to claim 14, wherein the number of the lighting devices is at least two, and at least two of the lighting devices are symmetrically arranged on the code reading unit.
The detection device according to any one of claims 1-12, wherein the code reading unit comprises a fixing frame, a camera module and a lens;

The fixing frame is provided with two installation grooves and a light hole, the light hole is located between the two installation grooves, the lighting device is fixed on the fixing frame, and the camera module corresponds to the light hole, One of the lighting equipment is installed in one of the installation grooves, and one of the lens covers is installed in a notch of the installation groove.
The detection device according to any one of claims 1-12, wherein the detection device further comprises:

A display unit, the display unit is arranged on the handheld casing and is electrically connected with the control unit, and the display unit is used for displaying output information of the control unit.
The detection device according to claim 17, wherein the display unit is electrically connected to the code reading unit, and the display unit is further configured to display video data captured by the code reading unit in real time.
The detection device according to claim 18, wherein the detection device further comprises:

an input unit, the input unit is electrically connected to the control unit, and is used for receiving an instruction input by a user, and the instruction is used for instructing the control unit to control the code reading unit to collect images from the video data.
The detection device according to claim 17, wherein the display unit and the code reading unit are disposed on two sides of the handheld casing.
The detection device according to any one of claims 1-12, further comprising:

a start button, the start button is respectively connected with the detection unit, the code reading unit and the control unit, and the start button is used to turn on or off the detection unit, the code reading unit and the control unit At least one of the control units operates.
The detection device according to claim 21, wherein the start button and the code reading unit are disposed on two sides of the hand-held casing.
The detection device according to any one of claims 1-22, characterized in that, further comprising:

A power supply unit, the power supply unit is arranged on the handheld casing, and the power supply unit is electrically connected to the optoelectronic component, the image acquisition component and the control unit respectively.
The detection device according to any one of claims 1-23, characterized in that:

The detection device further includes a calibration unit, the calibration unit includes a calibration base and a calibration element disposed on the calibration base, the calibration element is used for calibration of the detection device.
The detection device according to claim 24, wherein:

The calibration element includes a calibration plane disposed on the calibration base, and a calibration groove located in the calibration plane.
The detection device according to claim 25, wherein:

The number of the calibration grooves is multiple, and the depths of the multiple calibration grooves are different.
The detection device according to claim 26, wherein:

The calibration base is further provided with a fixing slot, and the fixing slot is used to accommodate the support base, so as to install the handheld housing on the calibration base.
The detection device according to claim 27, wherein:

The detection device further includes a magnetic attraction unit, the magnetic attraction unit includes a first magnetic attraction piece and a second magnetic attraction piece, the first magnetic attraction piece is arranged on the support base, and the second magnetic attraction piece is arranged in the fixing slot.