WO2022135007A1

WO2022135007A1 - Vehicle inspection equipment

Info

Publication number: WO2022135007A1
Application number: PCT/CN2021/132908
Authority: WO
Inventors: 刘连军
Original assignee: 深圳市道通科技股份有限公司
Priority date: 2020-12-24
Filing date: 2021-11-24
Publication date: 2022-06-30
Also published as: CN114673868A

Abstract

Vehicle inspection equipment (100), comprising: a support assembly (110); a cross beam assembly (120), mounted on the support assembly (110), the cross beam assembly (120) being horizontally disposed; a first camera assembly (130) mounted at one end of the cross beam assembly (120) and configured to acquire a first image of a wheel located on one side of a vehicle to be inspected; a second camera assembly (140) mounted at the other end of the cross beam assembly (120) and configured to acquire a second image of a wheel located on the other side of the vehicle to be inspected; a processor which is separately electrically connected to the first camera assembly (130) and the second camera assembly (140), and is configured to determine, according to the first image and the second image, wheel parameters of the vehicle to be inspected; and a display assembly (150) mounted on the support assembly (110) and configured to display a calibration pattern, the calibration pattern being used for assisting in calibrating a sensor in the vehicle to be inspected.

Description

A vehicle detection device

This application claims the priority of the Chinese patent application with the application number 202011551548.7 and the application title "a vehicle detection device" filed with the China Patent Office on December 24, 2020, the entire contents of which are incorporated into this application by reference.

technical field

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

Background technique

As an indispensable means of transportation in people's lives, automobiles are used in many fields, and the requirements for their safety performance are constantly improving. In general, after a period of use, the vehicle needs to be sent to a repair shop for maintenance, such as: calibrating the wheels through four-wheel alignment; or calibrating the ADAS to ensure that sensors such as cameras or radars inside the vehicle can accurately obtain road condition information .

At present, the ADAS (Advanced Driver Assistant Systems) calibration equipment and four-wheel alignment equipment on the market exist independently, and they are both measured by visual algorithms, which can only achieve a single function. ADAS calibration is required. And four-wheel alignment, it is necessary to purchase two kinds of equipment at the same time, which not only increases the cost, but also takes up a lot of space and is inconvenient to use.

SUMMARY OF THE INVENTION

The main technical problem solved by the embodiments of the present invention is to provide a vehicle detection device that is easy to use.

In order to solve the above-mentioned technical problems, a technical scheme adopted in the present invention is:

A vehicle detection device, comprising:

bracket assembly;

a beam assembly, mounted on the bracket assembly, and the beam assembly is arranged horizontally;

a first camera assembly, mounted on one end of the beam assembly, the first camera assembly is used to collect a first image of a wheel located on one side of the vehicle to be inspected;

a second camera assembly mounted on the other end of the cross member assembly, the second camera assembly is used to collect a second image of the wheel located on the other side of the vehicle to be inspected;

a processor, electrically connected to the first camera assembly and the second camera assembly, respectively, and the processor is configured to determine wheel parameters of the vehicle to be detected according to the first image and the second image;

A display assembly is mounted on the bracket assembly, and the display assembly is used for displaying a calibration pattern, and the calibration pattern is used for assisting in calibrating the sensors in the vehicle to be detected.

Optionally, the display assembly includes an electronic display screen, the electronic display screen is electrically connected to the processor, and the electronic display screen is controlled by the processor to display the calibration pattern.

Optionally, the electronic display screen includes a flexible electronic display screen.

Optionally, the display assembly includes a display element and a light projection device, and the light projection device is used for projecting light and shadow on the display element to form the calibration pattern on the display element.

Optionally, the display member includes a flexible display member, the flexible display member has a mounting end and a free end arranged oppositely, the mounting end is connected with the bracket assembly, and the free end can be opposite to the mounting end Activity.

Optionally, the beam assembly includes a first beam and a second beam, the first beam and the second beam are respectively installed on the bracket assembly, and the installation position of the first beam is higher than that of the second beam. The installation position of the beam.

Optionally, the first camera assembly and the second camera assembly are respectively mounted on both ends of the first beam.

Optionally, the first camera assembly and the second camera assembly are respectively rotatable around a horizontal axis.

Optionally, the second beam is movable relative to the bracket assembly in a predetermined direction.

Optionally, the first beam and the second beam are fixedly connected, and the first beam and the second beam can move relative to the bracket assembly in a preset direction at the same time.

Optionally, the first beam is movable relative to the bracket assembly in the predetermined direction.

Optionally, the display assembly is disposed between the first beam and the second beam, and the display assembly does not block the second beam.

Optionally, the bracket assembly includes a base and a column, the column is vertically installed on the base, the beam assembly and the display assembly are installed on the column, and the beam assembly and the display assembly are installed on the column. the same side of the column.

Optionally, the bracket assembly further includes several leveling pieces, and the several leveling pieces are mounted on the base.

Optionally, the bracket assembly further includes a carrier, the carrier is used to carry a user terminal, the user terminal is communicatively connected with the processor, and the carrier is located where the beam assembly and the display are installed. The opposite side of the same side of the component.

Optionally, the bracket assembly further includes a handle mounted on the bracket assembly.

A vehicle detection device, comprising:

a bracket assembly, including a base, a column, a first beam and an installation arm, one end of the column is fixed on the base, the first beam is installed on the column, and one end of the mounting arm is fixed with the column;

a first camera assembly mounted on one end of the first beam, the first camera assembly is used to capture a first image of a wheel mounted on one side of the vehicle;

a second camera assembly mounted on the other end of the first beam, the second camera assembly is used to capture a second image of the wheel mounted on the other side of the vehicle;

A rolling screen includes a rolling shaft, a display member and a light projection device, the rolling shaft is mounted on the first beam, one end of the display member is fixed to the rolling shaft, and the display member can be unfolded or retracted relative to the rolling shaft being wound on the reel, the light projection device is used for projecting a calibration image to the display element;

The processor is electrically connected to the first camera assembly and the second camera assembly, respectively, and the processor is configured to determine wheel parameters of the vehicle to be detected according to the first image and the second image.

Optionally, the bracket assembly includes a second beam, the second beam is mounted on the column, and the second beam and the first beam are spaced apart;

The rolling screen further includes a counterweight bar, the counterweight bar is fixed on the other end of the display element, and the counterweight bar can be fixed with the second beam when the display element is unfolded.

Optionally, the counterweight bar is provided with a magnetic block, the second beam is metal, or the counterweight bar is metal, the second beam is provided with a magnetic block, or the counterweight bar is Magnetic blocks are provided on both the second beam and the counterweight bar, and when the display element is unfolded, the counterweight bar and the second beam are magnetically fixed.

Optionally, a surface of the second beam facing the first beam is provided with a clip slot; when the display element is unfolded, the counterweight bar can be fixed in the clip slot.

Optionally, the first beam is further provided with a storage box;

The reel is installed in the storage box, and when the display element is reeled by the reel, the reeled display element is accommodated in the storage box, and when the display element is unfolded, the display element can protrude from the slot of the storage box.

Optionally, the first camera assembly and the second camera assembly are located on two sides of the storage box, respectively.

Optionally, the second beam can slide along the column;

The bracket further includes a locking mechanism, which is used for locking the second beam and the upright column, so as to fix the second beam and the upright column, or to release the first beam. Two beams and the upright column, so that the second beam can slide along the upright column.

Optionally, the vehicle detection device further includes a first driving mechanism and a second driving mechanism;

Both the first driving mechanism and the second driving mechanism are mounted on the first beam and the second beam, the first camera assembly is mounted on the first driving mechanism, and the first driving mechanism is used to drive the first driving mechanism. A camera assembly rotates to adjust the shooting angle of the first camera assembly, the second camera assembly is mounted on a second drive mechanism, and the second drive mechanism is used to drive the second camera assembly to rotate to adjust the shooting angle of the second camera assembly;

Both the first drive mechanism and the second drive mechanism are connected to the processor.

Optionally, the vehicle detection device further includes a handle, and the handle is mounted on the upright.

Optionally, the number of the handles is two, and the two handles are respectively mounted on two opposite side walls of the upright column.

Optionally, the vehicle detection device further includes a carrier and a user terminal;

The carrier is installed on the upright column, and the carrier is used to carry the user terminal, and the user terminal is electrically connected to the processor, and the processor is used to perform ADAS calibration according to the first The image and the second image identify the relative position between the bracket assembly and the vehicle, and transmit the relative position to the user terminal for display.

Optionally, the bracket assembly further includes a plurality of rollers; the plurality of rollers are mounted on a surface of the base away from the upright column.

Optionally, the bracket assembly further includes a leveling member;

The leveling piece is arranged on the base, and the leveling piece is used to support the base.

The beneficial effects of the present invention are as follows: the vehicle detection device provided by the embodiment of the present invention includes: a bracket assembly; a beam assembly, mounted on the bracket assembly, and the beam assembly is horizontally arranged; a first camera assembly, installed at one end of the beam assembly, the first camera assembly The assembly is used to collect the first image of the wheel located on one side of the vehicle to be inspected; the second camera assembly is installed on the other end of the cross member assembly, and the second camera assembly is used to collect the second image of the wheel located on the other side of the vehicle to be inspected a processor, which is electrically connected to the first camera assembly and the second camera assembly respectively, and the processor is used to determine the wheel parameters of the vehicle to be detected according to the first image and the second image; the display assembly is installed on the bracket assembly, and the display assembly is used for displaying The calibration pattern is used to assist in calibrating the sensors in the vehicle to be detected. Through the above structure, the vehicle detection equipment integrates two types of equipment, which can not only perform calibration, but also perform four-wheel alignment. Compared with the previous two types of equipment, the cost is reduced, the space occupied area is saved, and the use is more convenient.

Description of drawings

FIG. 1 is a schematic structural diagram of a vehicle detection device in one embodiment of the present invention;

Fig. 2 is the schematic diagram of another angle of Fig. 1;

Fig. 3 is the structural representation of the leveling member in Fig. 1;

Fig. 4 is the schematic diagram after the display element in Fig. 1 is folded;

FIG. 5 is a schematic structural diagram of the first camera assembly in FIG. 1;

FIG. 6 is a schematic structural diagram of a vehicle detection device in another embodiment of the present invention.

Detailed ways

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 "upper", "lower", "inner", "outer", "vertical", "horizontal", etc. used in this specification indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, It is only for the convenience of describing the present invention and simplifying the description, not to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first," "second," etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

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 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.

In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

As shown in FIGS. 1-2 , a vehicle inspection device 100 provided by one embodiment of the present invention includes a bracket assembly 110 , a beam assembly 120 , a first camera assembly 130 , a second camera assembly 140 , a processor (not shown), and Assembly 150 is displayed. The beam assembly 120 is installed on the bracket assembly 110, and the beam assembly 120 is arranged horizontally, the first camera assembly 130 is installed on one end of the beam assembly 120, and the second camera assembly 140 is installed on the At the other end of the beam assembly 120 , the processor is connected to the first camera assembly 130 and the second camera assembly 140 respectively, and the display assembly 150 is mounted on the bracket assembly 110 . Wherein, the first camera assembly 130 is used to collect a first image of a wheel located on one side of the vehicle to be inspected; the second camera assembly 140 is used to collect a second image of a wheel located on the other side of the vehicle to be inspected ; the processor is used to determine the wheel parameters of the vehicle to be detected according to the first image and the second image; the display component 150 is used to display a calibration pattern, the calibration pattern is used to assist in calibrating the vehicle to be detected sensor in .

It should be understood that the calibration pattern displayed by the display assembly 150 may include any pattern, such as a triangle, a circle or other complex patterns, or a combination of any of the above-mentioned patterns, and the sensors in the vehicle to be detected may be based on the calibration pattern. Determining whether an offset has occurred, and adjusting it accordingly, implements a calibration or calibration process for the sensors in the vehicle to be inspected. The wheel parameters refer to relevant parameters such as kingpin caster angle, kingpin inclination angle, front wheel camber angle, front wheel toe-in, wheel camber angle, and rear wheel toe-in. The number of the processors may be one or more, and if the number of the processors is multiple, one of the processors may process the related information of the first image transmitted by the first camera assembly 130 , the other processor may process the related information of the second image transmitted by the second camera assembly 140 . It is understandable that the positions where a plurality of the processors are arranged may be different positions, for example, one of the processors is arranged around the first camera assembly 130, and the other is arranged at the second camera The perimeter of assembly 140 . The first image refers to the relevant information of the wheel on the side of the vehicle, for example, the image of the wheel on the side of the wheel or the image of the target installed on the side of the wheel, and the same is true for the second image.

In some embodiments, the system formed by the first camera assembly, the second camera assembly, and the processor may also be applied to the scene of positioning the bracket assembly 110 .

For example, the first camera assembly and the second camera assembly may acquire and transmit to the processor a vehicle-related image, wherein the vehicle-related image includes an image of the vehicle body, an image of a wheel, a target pattern affixed to the wheel, or an image near the vehicle body. A target pattern whose relative position to the vehicle body is known, etc. The processor can call and run a positioning program or a positioning algorithm according to the acquired vehicle-related images to determine the position of the bracket assembly 110 relative to the vehicle to be tested, and further, can also be based on a preset preset of the bracket assembly relative to the vehicle to be measured. Set the position to determine the position of the bracket assembly 110 that needs to be adjusted relative to the vehicle to be tested.

As shown in FIG. 3 , in some embodiments, the bracket assembly 110 includes a base 111 , a column 112 and a support 113 , the column 112 is vertically installed on the base 111 , and the support 113 is installed on the One end of the upright column 112 is away from the base 111 . The beam assembly 120 and the display assembly 150 are both mounted on the column 112 , and the beam assembly 120 and the display assembly 150 are both mounted on the same side of the column 112 . In this embodiment, the base 111 is plate-shaped, and the upright column 112 is located in the middle of the base 111 .

In some embodiments, in order to enable the vehicle detection device 100 to move, the base 111 is detachably installed with a universal wheel 1111, so that only by directly pushing the upright column 112, the universal wheel 1111 can be relatively The support surface rolls, thereby realizing the movement of the vehicle detection device 100 . Preferably, the number of the universal wheels 1111 is four, and they are respectively distributed at four corners of the base 111 to ensure the stability of the movement of the base 111 . Wherein, the support surface refers to the plane on which the vehicle detection device 110 is placed, which is generally the ground, and of course can also be other planes, such as planes on other platforms.

Referring to FIG. 1 and FIG. 3 , in some embodiments, the bracket assembly 110 further includes a leveling member 114 , the leveling member 114 is mounted on the base 111 , and the leveling member 114 is used to adjust the The relative positional relationship between the base 111 and the contact surface. For example, when the base 111 is high on one side and low on the support surface, the leveling member 114 can be used for leveling, and the two sides can be adjusted to the same height, thereby ensuring the detection accuracy of the vehicle detection device 100 . The leveling member 114 may be a screw with a flat end surface, a screw rod, or other structures. In this embodiment, the leveling member 114 is composed of a support block 1141, a screw 1142 and a knob 1143. Both ends of the screw 1142 are respectively connected to the support block 1141 and the knob 1143. The support block 1141 For contacting with the support surface, the knob 1143 is disposed away from the support surface. Wherein, the support block 1141 is a circular truncated flat end surface, and its flat end surface is used for contacting with the support surface. Therefore, when the position of the base 111 relative to the supporting surface needs to be adjusted, the leveling function can be achieved only by twisting the leveling member 114 . Of course, the number of the leveling members 114 may be one or a plurality of them. In this embodiment, the number of the leveling members 114 is three, and the three leveling members 114 are arranged in a triangular shape. the base.

As shown in FIG. 4 , the beam assembly 120 includes a first beam 121 and a second beam 122. The first beam 121 and the second beam 122 are respectively installed on the bracket assembly 110, wherein the The installation position of the first beam 121 is higher than the installation position of the second beam 122 . In this embodiment, both the first beam 121 and the second beam 122 are installed on the upright column 112 , wherein the installation position of the first beam 121 is higher than the installation position of the second beam 122 Taking the support surface as a reference surface, the height of the first beam 121 from the ground is higher than that of the second beam 122 .

In some embodiments, the system formed by the first camera assembly, the second camera assembly, and the processor may also be applied to a scenario of confirming the relative positional relationship between the first beam and the second beam.

For example, the second beam may be provided with a target, and at least one camera assembly of the first camera assembly and the second camera assembly captures an image of the target on the second beam, and transmits it to the processor. The target image is used to determine the relative position of the first beam and the second beam.

In some embodiments, the first camera assembly and the second camera assembly are detachably mounted on the first beam, which can be mounted on the second beam according to specific application requirements.

In some embodiments, the first beam 121 can be fixedly installed on the top of the column.

In some embodiments, the first beam 121 can move in a preset direction relative to the base 111 to adjust the height of the first beam 121 , so that the vehicle measuring device 100 is suitable for vehicles of different heights. In some embodiments, the interior of the upright column 112 is hollow, the interior of the upright column 112 is provided with a transmission assembly, the transmission assembly includes a rack, a gear, a connecting shaft, a motor and a controller, and the gear is mounted on the connection On the shaft, one end of the connecting shaft is connected with the output shaft of the motor, the other end of the connecting shaft is connected to the first beam after passing through the column, and the rack is along the length of the column 112. Axially disposed inside the column 112 , the gear is engaged with the rack, and the motor is electrically connected to the controller. Wherein, the upright post 112 is correspondingly provided with an escape groove along the axial direction, so that the connecting shaft can pass through the upright post 112 and then be connected to the first beam 121 . Therefore, through the controller, the motor can be controlled to rotate forward or reverse, so that the first beam 121 can be raised or lowered. Of course, the first beam 121 can also be adjusted manually. At this time, the first beam 121 can slide relative to the upright column 112. When the first beam 121 slides to a desired position, the For example, the upright column 112 is correspondingly provided with sockets of different heights along the axial direction. After the first beam 121 is moved to the required installation position, insert a pin into the socket corresponding to the position. , so as to fix the first beam 121 at the installation position. Understandably, there are many ways to realize the movement of the first beam 121 relative to the base 112. For example, in the case that the first beam 121 is fixedly installed on the top of the column, the column may include a fixed column and a movable column. The column can be set inside the mobile column or outside the mobile column, and the mobile column can move relative to the fixed column. The movement of the mobile column relative to the fixed column can realize the telescopic column. 121 moves relative to the height of the base. The implementation manner of the movement of the first beam 121 and the base 112 is not limited here.

In some embodiments, the second beam 122 can move in a preset direction relative to the bracket assembly to adjust the height of the second beam 122 , so that the vehicle measuring device 100 is suitable for more scenarios. Wherein, the manner of realizing the movement between the second beam 122 and the upright column 112 may be the manner mentioned in the above embodiment, or may be other manners.

In some embodiments, both the first beam 121 and the second beam 122 can move relative to the bracket assembly 110 in a preset direction, and the way of adjusting the position can be the first beam 121 in the above embodiment. In addition to the manner in which the position of the second beam 122 is adjusted, other manners are also possible.

In one case, the first beam 121 and the second beam 122 are fixedly connected, and one of the first beam 121 and the second beam 122 is driven by the above-mentioned transmission assembly to move, and drives the other to move together.

In another case, the same transmission assembly drives the first beam 121 and the second beam 122 to move at the same time. Driven by the same transmission assembly, the first beam 121 and the second beam 122 can move in the same direction or move in the opposite direction.

In another case, the first beam 121 and the second beam 122 are driven by different transmission components respectively, that is, any one of the first beam 121 and the second beam 122 can move independently.

It should be noted here that the above-mentioned first beam 121 and/or the second beam 122 move along a preset direction, wherein the preset direction specifically refers to the axial direction of the column 112 .

The second beam 122 is used to mount a calibration element, and the calibration element is used to assist in calibrating the ADAS system in the vehicle to be measured. The ADAS system includes various sensors such as image sensors and radar sensors. The indexing element can move in the horizontal direction relative to the second beam, or the indexing element can be mounted on different positions of the second beam. Different calibration elements are detachably mounted on the second beam, so as to be suitable for calibration of sensors of different ADAS systems.

In some embodiments, the second beam 122 includes a horizontal guide rail and a horizontal scale, the horizontal guide rail is disposed along the horizontal length of the second beam, and the horizontal scale can be disposed at both ends of the second beam. The second beam may be provided with a component made of magnetically attractive material for magnetically adsorbing the calibration element or magnetically adsorbing the display component.

As shown in FIG. 5 , for the first camera assembly 130 and the second camera assembly 140 , the first camera assembly 130 and the second camera assembly 140 are respectively mounted on both ends of the first beam 121 , and the first camera assembly 130 and the second camera assembly 140 are respectively rotatable around a horizontal axis. Understandably, the first camera assembly 130 is used to capture a first image of a wheel on one side of the vehicle to be inspected, and the second camera assembly 140 is configured to capture a second image of the vehicle to be inspected. Through the combination of the first image and the second image, the position information of the four wheels of the vehicle to be detected can be obtained, which is convenient for subsequent adjustment and maintenance.

Further, the first camera assembly 130 and the second camera assembly 140 are respectively rotatable around a horizontal axis, so that the first camera assembly 130 and the second camera assembly 140 have different photographing fields of view, so that multiple Different first images and second images are captured at different shooting positions, so as to improve detection accuracy by comparing multiple sets of first images and multiple sets of second images.

In some embodiments, the first camera assembly 130 and the second camera assembly 140 have the same adjustment structure. The following describes the specific adjustment structure by taking the first camera assembly 130 as an example, specifically:

The first camera assembly 130 includes a base 131, a motor assembly (not shown) and a camera module 133, wherein the base 131 is mounted on the first beam 121, and the base 131 includes a base plate (not shown). marked) and lugs (not marked) connected to both ends of the base plate, there is a receiving cavity (not shown) between the base plate and the two lugs, the motor assembly is accommodated in the base 131, the motor The assembly includes a motor (not shown) and a driving mechanism (not shown), the motor is connected to the processor, and the motor is used to drive the camera module 133 to rotate around a horizontal axis to adjust the camera module. The pitch angle of the group 133; the camera module 133 is used to capture images of the wheels, so that the positions of the wheels relative to the vehicle can be determined. Wherein, the driving mechanism includes a first synchronizing wheel, a synchronizing belt and a second synchronizing wheel, the first synchronizing wheel is connected to the motor, and the first synchronizing wheel and the second synchronizing wheel pass through the The synchronous belt is connected, the second synchronous wheel is coaxially fixed to the camera module 133, the axis of the second synchronous wheel is parallel to the horizontal axis, and the motor is used to drive the first synchronous wheel to rotate, So that the first synchronizing wheel drives the second synchronizing wheel and the camera module 133 to rotate together through the synchronous belt. Of course, the camera module can be adjusted by using other structures besides the structure of the motor assembly described above, and the adjustment method of the camera module is not limited here.

In the above manner, the first camera assembly 130 and the second camera assembly 140 can be controlled by the processor respectively, that is, the processor sends an instruction to control the rotation to at least one of the first camera assembly 130 and the second camera assembly 140 to control the rotation. At least one of the first camera assembly 130 and the second camera assembly 140 is rotated. The processor may control the first camera assembly 130 and the second camera assembly 140 to rotate at the same angle, or the processor may control the first camera assembly 130 and the second camera assembly 140 to rotate at one angle, the first camera assembly 130 and the second camera assembly 140 The other of the two camera assemblies 140 adjusts its own angle with reference to the one camera assembly that has been rotated.

In some embodiments, when the first camera assembly 130 and the second camera assembly 140 are mounted on the first beam, the angle cannot be adjusted, that is, the angle relative to the first beam is fixed. The angle of the first beam can be adjusted relative to the upright column, that is, the first beam can be rotated relative to a horizontal axis, and the horizontal axis can be coincident with the central axis of the length direction of the first beam. Through the rotation of the first beam, the angle adjustment of the first camera assembly 130 and the second camera assembly 140 can be realized at the same time, and the adjustment angles of the first camera assembly 130 and the second camera assembly 140 are guaranteed to be the same. The rotation of the first beam can be controlled by the processor, that is, the processor sends a control command to control the rotation of the first beam relative to a horizontal axis.

Please refer to FIG. 1 and FIG. 2 again. The display component 150 may be an electronic display screen. At this time, the calibration pattern is directly displayed on the electronic display screen. The electronic display screen is electrically connected to the processor. The electronic display screen is controlled by the processor to display the calibration pattern. Wherein, the electronic display screen may be a rigid display screen or a flexible electronic display screen. It can be understood that when the electronic display screen is a flexible electronic display screen, the flexible electronic display screen can be stored when not in use without taking up too much space. Of course, the block shape can also be other storage methods, and is not limited to the storage methods mentioned in this embodiment.

Of course, the display assembly 150 may also have other structures. For example, in this embodiment, the display assembly 150 includes a display element 151 and a light projection device 152 , and the display element 151 is installed on the first beam 121 and the light projection device 152 . Between the second beams 122 , the light transmission device 152 is installed on the support member 113 , and the light projection device 152 is used for projecting light and shadow on the display member 151 to form the calibration on the display member 151 . pattern. Specifically, the display element 151 may be a rigid display element, such as a projection board, or a flexible display element. The flexible display element has a mounting end 1511 and a free end 1512, and the mounting end 1511 is connected to the first beam 121. , so as to restrict the flexible display member 210 from being completely separated from the first beam 121 . In this embodiment, the display assembly 150 further includes a reel (not shown) and a storage box (not shown), and the mounting end 1511 is indirectly connected to the first beam through the reel and the storage box. Specifically, the storage box is installed on the first beam 121, which is arranged perpendicular to the upright column 122, and is arranged above the second beam 122 as shown in the figure, and a hollow storage slot (not shown) is provided inside. The reel is accommodated in the storage slot of the storage box and is vertically arranged with the column 122. The reel is rotatably installed in the storage box, that is, the reel is indirectly and rotatably installed on the first beam 121, and is connected to the second beam 122. Relative settings. The above-mentioned mounting end 1511 is fixed on the outer surface of the reel along the axial direction of the reel, and the free end 1512 passes through the end of the storage box close to the base 111 and extends in the direction close to the base 111; through a narrow slot (not shown). Optionally, the flexible display element is a rolling screen; further optionally, a weight bar (not shown) with a certain weight is fixed to the free end 1512 to improve the stability of the flexible display element in a free state. It can be understood that even though the display assembly in this embodiment includes the flexible display member 210, the scroll and the storage box at the same time, the present invention is not limited to this; for example, in other embodiments of the present invention, the display assembly 150 only includes the flexible display member 210. The display element and the reel, the reel is directly and rotatably mounted on the first beam 121, and the mounting end 1511 of the flexible display element is fixed to the reel; for another example, in other embodiments of the present invention, the display assembly 150 only includes flexible The display element, the mounting end 1511 of the flexible display element is fixed to the first beam 121 in a detachable manner. Further, for convenience, the user can drive the flexible display member to pull up or roll up to a specific length as required, so as to present the set pattern projected by the light projection device 152, or to make the user move away from the flexible display member on the first beam 121. When the vehicle detection device 100 is pushed on one side, the vehicle to be tested in front can be easily seen, and the display assembly further includes a driving module (not shown). The driving module is connected with the reel, and is used for driving the reel to rotate, so as to release or rewind the flexible display member, so as to achieve the above-mentioned purpose. In some embodiments, the drive module includes a motor (not shown) and a transmission mechanism (not shown). Both the motor and the transmission mechanism are accommodated in a storage box, and the output shaft of the motor and the reel are connected to the transmission mechanism. The mechanism transmits the power of the motor to the reel to rotate the reel, thereby releasing or rewinding the flexible display member. Among them, the choice of transmission mechanism is various, and it can be a gear set mechanism. For example, the transmission mechanism includes a first transmission gear and a second transmission gear, the first transmission gear is installed on the output shaft of the motor, and the second transmission gear is installed on the reel. At the end, the number of teeth of the first transmission gear is less than the number of teeth of the second transmission gear, so on the one hand, the gear set mechanism can transmit the power of the motor to the reel, and on the other hand, it can also reduce the speed of the motor to a suitable speed, so that the The rotation speed of the reel is moderate, that is, the speed at which the flexible display element is released or wound is moderate. The transmission mechanism can also be a synchronous belt mechanism. For example, the transmission mechanism includes a first pulley, a second pulley and a synchronous belt. The first pulley is installed on the output shaft of the motor, the second pulley is installed at the end of the reel, and the synchronous belt is wound around. Set on the first pulley and the second pulley, the diameter of the first pulley is smaller than the diameter of the second pulley, so the synchronous belt mechanism can transmit the power of the motor to the reel on the one hand, and can also transmit the motor power to the reel on the other hand. The rotational speed of the reel is reduced to an appropriate rotational speed, so that the rotational speed of the reel is moderate, that is, the speed at which the flexible display member is released or wound is moderate. Of course, the driving module can also be in other structural forms, and it is not limited to the above-mentioned automatic driving mechanism, and it can also be a manual driving mechanism, as long as it can drive the reel to rotate.

The light projection device 152 is disposed on the upper end of the first beam 121 through the support member 113 , and the support member 113 can support the light projection device 152 to have a height higher than the height of the first beam 121 or the height of the first beam 121 roughly the same. The light projection device 152 is fixedly connected to the support member 113, or the light projection device 152 is movably connected to the support member 113, so as to adjust the position of the light projection device 152 relative to the support member 113 to realize accurate projection of the light projection device.

In some embodiments, the support member 113 is installed on the upright post 112. As shown in FIG. 1, the support member 113 can be installed at the top of the upright post. 112 moves. In this embodiment, the overall shape of the support member 113 is a flat plate-like structure. Of course, the shape of the support member 113 can also be other shapes, such as a round rod.

Alternatively, as shown in FIG. 6 , the support member 113 is sleeved on the upright column 112 , and can move relative to the upright column 112 to adjust the height of the light projection device 152 to match the height adjustment of the display member 151 . 113 includes a sliding portion 1131 and a connecting block 1132 for connection. The sliding portion 1131 is sleeved on the upright column 112 and can slide as required. The sliding portion 1131 is hinged with the connecting block 1132. Several holes (not shown in the figure), the sliding part 1131 is provided with an insertion hole (not shown in the figure), after the sliding part 1131 can be slid to a desired height, the plug can be inserted into the insertion hole on the sliding part 1131 and A fixing support 113 is implemented in the hole, thereby fixing the light projection device 152 .

In some embodiments, the support member is mounted on the first beam 121 , the support member is mounted on the upper end of the first beam 121 , and the display member 151 is mounted on the lower end of the first beam 121 . The beam 121 can move relative to the upright column 112 , so as to drive the support member 113 and the display element 151 to move relative to the upright column, and ensure that the relative positions of the light projection device and the display element remain unchanged.

In some embodiments, the support member 113 is specifically a gooseneck, one end of which is connected to the upright column 112 and the other end is directly connected to the light projection device 152 . The light projection device 152 is adjusted to the desired position and angle.

Further, in order to better tighten the rolling screen, the vehicle detection device 100 is provided with a magnetic block, and the magnetic block is used for adsorbing the drooping end, so as to fix the unfolding range of the rolling screen, Achieve better projection effect. It is understandable that the magnetic block may be installed in the area of the counterweight bar close to the upright post 112 , and the magnetic block can achieve a fixed roll unwinding range after attracting the upright post. Of course, the magnetic block can also be directly installed at the position designated by the upright column 112 , and after the rolling screen is unfolded to the desired position, the magnetic block attracts the counterweight bar. Alternatively, the magnetic blocks are respectively installed on the counterweight bar and the second beam, and the counterweight bar can reach the second beam, and the roller blind can be stabilized by magnetically attracting with the second beam.

As shown in FIG. 2 , in some embodiments, the vehicle detection device 100 further includes a handle 160 , the handle 160 is installed on the upright column 112 , and the handle 160 is used for the user to hold, so that the user can move with force The vehicle detection device 100 . In this embodiment, the handle 160 is in the shape of half a character. Of course, the handle 160 may have other structures, and is not limited to the shape of half a character in this embodiment.

In some embodiments, the vehicle detection device 100 further includes a carrier 170 , and the carrier 170 is disposed on the other side of the upright column 112 , that is, the carrier 170 is located on the side where the cross member 120 and all the beam assemblies are installed. On the opposite side of the same side of the display assembly 150, the carrier 170 is used to carry a user terminal, and the user terminal is connected in communication with the processor. Understandably, the user terminal may be a tablet computer, a diagnostic instrument, and of course other display devices.

The handles can be mounted on the same side of the carrier 170 , or the handles can be mounted on opposite sides of the column, the opposite sides being perpendicular to the side on which the beam assembly 120 is mounted and the side on which the carrier 170 is mounted.

The surface on the column on which the handle is installed is provided with a plurality of installation positions, and the handle is detachably installed on the installation position, so that the user can adjust the installation height of the handle relative to the column according to the operation height.

When the vehicle detection device 100 is used, on the one hand, it can calibrate the vehicle to be detected. The specific process is as follows: first, move the vehicle detection device 100 to the front of the vehicle to be detected, and pass the leveling member 114 The relative positions of the base 111 and the support surface are adjusted to keep the base 111 parallel to the support surface as much as possible to avoid unnecessary errors. Then, the overall length of the upright column 112 is appropriately adjusted to accommodate sensors of different heights of the vehicle model, and the rolling screen is stretched and unfolded, so that the light projection device 152 projects the calibration pattern onto the rolling screen.

After the sensor of the vehicle to be detected obtains the calibration pattern on the rolling screen, it is determined whether the sensor needs to be adjusted by comparing the obtained calibration pattern with the calibration pattern preset by the sensor, such as the obtained calibration pattern and calibration pattern. If there is an offset and cannot be overlapped, it means that the sensor of the vehicle to be detected is offset, and the relevant parameter settings of the sensor need to be changed to make the calibration pattern coincide with the obtained calibration pattern, so as to realize the detection of the vehicle to be detected. Calibration of the sensor. The comparison between the acquired calibration pattern and the calibration pattern may be completed by the processor of the vehicle to be detected itself, or may be performed by the user equipment. It should be understood that the sensor of the vehicle to be detected may directly communicate with the user equipment, and send the acquired calibration pattern information to the user equipment, and the user may adjust the calibration data after the user equipment makes corresponding adjustments. The sensor is sent to the sensor of the vehicle to be detected, thereby completing the calibration of the sensor of the vehicle to be detected. Of course, the sensor of the vehicle to be detected can also send the obtained calibration pattern to the processor of the vehicle to be detected, and the processor of the vehicle to be detected performs adjustment by itself after comparison. In addition, the sensor of the vehicle to be detected can also be calibrated manually. For example, if there is an offset between the obtained calibration pattern and the calibration pattern, the position of the sensor can be adjusted until the obtained calibration pattern is offset. The calibration pattern coincides with the calibration pattern.

When the vehicle detection device 100 is used, on the other hand, it can perform four-wheel alignment of the vehicle, and the specific process is as follows:

First, move the vehicle detection device 100 to the front of the vehicle to be detected, and adjust the relative position of the base 111 and the support surface through the leveling member 114, so as to make the base 111 and the support surface as close as possible. Keep it parallel to avoid unnecessary errors. Subsequently, the first camera assembly 130 captures a first image of the wheel on one side of the vehicle to be detected, the second camera assembly 140 captures a second image of the wheel on the other side of the vehicle, the first camera assembly 130 and all The second camera component 140 sends the acquired image information to the processor, and the processor processes the acquired image information and transmits it to the user terminal, and then the first image and the second image can be processed on the user terminal. Perform a synthesis to determine whether the wheels of the vehicle need to be adjusted. If adjustment is required, the user terminal will display a series of adjustment steps correspondingly to guide the user to make adjustments until the wheel position of the vehicle is adjusted to the correct position to complete the calibration.

The wheel detection device 100 provided by the embodiment of the present invention includes a bracket assembly 110 , a beam assembly 120 , a first camera assembly 130 , a second camera assembly 140 , a processor, and a display assembly 150 . The beam assembly 120 is mounted on the bracket assembly 110 . The first camera assembly 130 is installed at one end of the cross member assembly 120, and is used for collecting a first image of a wheel located on one side of the vehicle to be inspected. The second camera 140 is installed at the other end of the beam assembly 120, and is used for collecting a second image of the wheel located on the other side of the vehicle to be inspected. The processor is electrically connected to the first camera assembly 130 and the second camera assembly 140 respectively, and the processor is configured to determine the relevant parameters of the wheel of the vehicle to be detected according to the first image and the second image. The display assembly 150 is mounted on the bracket assembly 110 for displaying a calibration pattern, and the calibration pattern is used to assist in calibrating the sensors in the vehicle to be detected. Through the above structure, the vehicle detection device can not only realize the calibration of the sensors of the vehicle to be detected, but also perform four-wheel alignment on the vehicle to be detected, which is more convenient to use.

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 vehicle detection device, characterized in that it includes:

bracket assembly;

a beam assembly, mounted on the bracket assembly, and the beam assembly is arranged horizontally;

a first camera assembly, mounted on one end of the beam assembly, the first camera assembly is used to collect a first image of a wheel located on one side of the vehicle to be inspected;

a second camera assembly mounted on the other end of the cross member assembly, the second camera assembly is used to collect a second image of the wheel located on the other side of the vehicle to be inspected;

a processor, electrically connected to the first camera assembly and the second camera assembly, respectively, and the processor is configured to determine wheel parameters of the vehicle to be detected according to the first image and the second image;

A display assembly is mounted on the bracket assembly, and the display assembly is used for displaying a calibration pattern, and the calibration pattern is used for assisting in calibrating the sensors in the vehicle to be detected.
The vehicle detection device according to claim 1, wherein the display component comprises an electronic display screen, the electronic display screen is electrically connected to the processor, and the electronic display screen is controlled by the processor to display the calibration pattern.
The vehicle detection device according to claim 2, wherein the electronic display screen comprises a flexible electronic display screen.
The vehicle detection device according to claim 1, wherein the display assembly comprises a display element and a light projection device, and the light projection device is used for projecting light and shadow to the display element, so as to form all the light and shadow on the display element. Describe the calibration pattern.
The vehicle detection device according to claim 4, wherein the display member comprises a flexible display member, the flexible display member has a mounting end and a free end arranged oppositely, and the mounting end is connected with the bracket assembly, The free end is movable relative to the mounting end.
The vehicle inspection device according to claim 1, wherein the cross beam assembly comprises a first cross beam and a second cross beam, the first cross beam and the second cross beam are respectively mounted on the bracket assembly, and the first cross beam and the second cross beam are respectively installed on the bracket assembly. The installation position of a beam is higher than the installation position of the second beam.
The vehicle inspection device according to claim 6, wherein the first camera assembly and the second camera assembly are respectively mounted on both ends of the first beam.
The vehicle detection device according to claim 7, wherein the first camera assembly and the second camera assembly are respectively rotatable around a horizontal axis.
6. The vehicle inspection apparatus of claim 6, wherein the second cross member is movable relative to the bracket assembly in a predetermined direction.
The vehicle detection device according to claim 9, wherein the first beam and the second beam are fixedly connected, and the first beam and the second beam can be simultaneously relative to the bracket assembly along a predetermined direction Set the direction to move.
6. The vehicle inspection apparatus according to claim 6, wherein the first cross member is movable in the predetermined direction relative to the bracket assembly.
The vehicle detection device according to claim 6, wherein the display assembly is disposed between the first beam and the second beam, and the display assembly does not block the second beam.
The vehicle testing device according to any one of claims 1-12, wherein the bracket assembly comprises a base and a column, the column is vertically installed on the base, and the beam assembly and the display assembly are installed on the column, and the beam assembly and the display assembly are mounted on the same side of the column.
The vehicle inspection device according to claim 13, wherein the bracket assembly further comprises a plurality of leveling pieces, and the plurality of leveling pieces are mounted on the base.
The vehicle detection device according to claim 13, wherein the bracket assembly further comprises a carrier, the carrier is used for carrying a user terminal, the user terminal is communicatively connected with the processor, the carrier On the opposite side of the same side where the beam assembly and the display assembly are mounted.
The vehicle inspection apparatus of claim 1, wherein the bracket assembly further comprises a handle mounted to the bracket assembly.