CN216696655U

CN216696655U - Automobile calibration equipment

Info

Publication number: CN216696655U
Application number: CN202121757433.3U
Authority: CN
Inventors: 张函
Original assignee: Autel Intelligent Technology Corp Ltd
Current assignee: Autel Intelligent Technology Corp Ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-06-07
Anticipated expiration: 2031-07-29

Abstract

The utility model relates to the technical field of automobile maintenance and equipment calibration, and discloses automobile calibration equipment, which comprises a bracket device, a beam, a projector and a screen, wherein the bracket device comprises a bracket and a bracket; the projector and the screen are both fixedly arranged on the support device, the projector is opposite to the screen, and the projector can project a calibration target for calibrating an automobile camera on the screen; the crossbeam is adjustably arranged on the support device, and a calibration element for calibrating the sensor is arranged on the crossbeam. The projector and the screen are simultaneously fixed on the support device, the beam moves independently, and the gravity bending moment borne by the projector is fixed and unchanged. The calibration of the LDW, the ACC and the like of the automobile can be realized simultaneously, the integration level is high, and the calibration of a plurality of ADAS functions can be realized by one automobile calibration device. The operation steps are simplified, the user experience is improved, the new experience in the word era is started, the equipment manufacturing cost is reduced, the weight of the whole machine is reduced, and the transportation in the transportation and use processes is facilitated.

Description

Automobile calibration equipment

Technical Field

The utility model relates to the technical field of automobile maintenance and equipment calibration, in particular to automobile calibration equipment.

Background

An Advanced Driver Assistance System (ADAS) of an automobile depends on various sensors and cameras, the sensors are used as electronic instruments and can be influenced by factors such as service time, friction collision, replacement and repair, and once errors occur to the sensors, driving safety indexes can be reduced. Therefore, the automobile sensors, cameras, etc. need to be regularly detected and calibrated, including calibration of the Lane Departure Warning system (LDW), Adaptive Cruise Control (ACC), Blind Spot vehicle identification (BSD), etc. of the automobile.

At present, a calibration mode for a camera in a vehicle is to hang different cameras to calibrate a target to an equipment designated position, identify pattern plates and patterns with different sizes through the built-in camera of the vehicle, and further calibrate the built-in camera of the vehicle through algorithm calculation. Currently, the existing calibration mode for radar sensors in the industry is completed by adopting a radar reflector. The calibration of the automobile radar sensor is realized by adjusting the angle (-X degrees, 0 degrees and + X degrees) of the reflector. The above calibration method has the following defects:

the calibration function for calibrating the automobile camera is single, and the calibration of multiple functions of an automobile cannot be realized on one calibration device; for automobiles of different brands or models, calibration elements of different calibration cameras need to be replaced, so that one calibration element can not be used for calibrating various automobiles, and the replacement is time-consuming and labor-consuming; in the adjusting and calibrating processes, equipment is easy to shake, the position of a calibrating element is easy to change, and the calibrating accuracy is influenced; in the moving process of the calibration target, the calibration element and the like are easy to incline under the action of self bending moment.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the embodiment of the utility model provides an automobile calibration device which is convenient to calibrate and operate.

The embodiment of the utility model adopts the following technical scheme for solving the technical problems: an automobile calibration device comprises a support device, a beam, a projector and a screen;

the projector and the screen are both fixedly arranged on the support device, the projector is opposite to the screen, and the projector can project a calibration target for calibrating an automobile camera on the screen;

the crossbeam is adjustably arranged on the support device, and a calibration element for calibrating the sensor is arranged on the crossbeam.

Optionally, the stent device comprises:

a base;

the stand, the stand is established on the base, the screen with the projecting apparatus is all established on the stand, the projecting apparatus is located the top of screen, the crossbeam can be followed stand length direction slides.

Optionally, the automobile calibration device further comprises a first fixed seat, and at least one first pulley and at least one second pulley are arranged on the first fixed seat;

the novel calibrating device is characterized in that a first sliding groove is formed in the top end of the beam, a second sliding groove is formed in the side face of the beam, the first pulley is arranged in the first sliding groove in a sliding mode, the second pulley is arranged in the second sliding groove in a sliding mode, the first fixing seat can move in the length direction of the beam through the first pulley and the second pulley, and the calibrating element is arranged on the beam through the first fixing seat.

Optionally, the axial direction of the first pulley faces the bottom end of the cross beam, and the axial direction of the second pulley faces the side face of the cross beam.

Optionally, a locking bolt is arranged on the first fixing seat, and a stud end of the locking bolt movably abuts against the first sliding groove to be used for locking or unlocking the first fixing seat.

Optionally, cameras are respectively arranged on two sides of the cross beam and used for calibrating and positioning the automobile tire.

Optionally, the automobile calibration device further comprises a fixing frame, one side of the fixing frame is connected to the upright post, and the bottom of the fixing frame is connected to the base;

the screen and the projector are arranged on the upright post through the fixed frame.

Optionally, a second fixing seat is slidably arranged on the stand column, the cross beam is located on one side, away from the stand column, of the screen, and a connecting structure is connected between the cross beam and the second fixing seat.

Optionally, the connecting structure comprises a first plate body and a second plate body, the first plate body is arranged on the second fixing seat, the first plate body is located between the screen and the stand column, the second plate body is arranged on two sides of the first plate body respectively, and two ends of the cross beam are connected with the second plate body respectively.

Optionally, the upper portion of the fixed frame is connected to the upright, and a gap through which the first plate body can pass is provided between the side surface of the lower portion of the fixed frame and the upright.

Optionally, a second fixing seat is slidably arranged on the upright, and the beam is located on one side of the upright, which is far away from the screen.

Optionally, a rotation driving element is arranged on the stand column, at least one sliding rail is arranged on each of two sides of the stand column, each sliding rail is arranged along the length direction of the stand column, a screw rod is arranged between the sliding rails on the two sides of the stand column, the second fixing seat is arranged on each sliding rail in a sliding mode, the second fixing seat is connected with the screw rod in a transmission mode, and the screw rod is connected with the rotation driving element in a transmission mode.

When the automobile calibration device is used, the image of the calibration target is preset in the projector, and the calibration target is projected onto the screen, so that the display position of the calibration target on the screen can be set according to the type of the preset automobile to be calibrated and the type of the camera to be calibrated. The projector is adopted to project the target pattern to be calibrated to the designated position of the screen, so that the calibration of the automobile LDW can be realized simultaneously, the integration level is high, and the calibration of a plurality of ADAS functions can be realized by one automobile calibration device. Different calibration target patterns can be selected according to vehicle types to project the screen, the operation mode is more flexible, frequent replacement of the calibration target is avoided, adverse effects caused by frequent replacement of the calibration target are avoided, and calibration of positions of vehicles of different models is achieved. The position of the calibration target pattern can be adjusted by adjusting the position of the built-in calibration target pattern, so that equipment vibration caused by adjusting the height of the calibration target is avoided; meanwhile, the input power of the system is reduced, and energy is saved. Because a large amount of PVC calibration targets are omitted, the calibration precision is improved, meanwhile, the operation steps are simplified, the user experience is improved, the new experience of the digitalized age is started, the manufacturing cost of equipment is reduced, the weight of the whole machine is reduced, and the transportation in the transportation and use processes is facilitated. Wherein, the realization of demarcating the target pattern also can be realized through the operation of wisdom screen and cell-phone APP. The user obtains the demarcation target pattern that is used for newly-increased motorcycle type calibration through the module that corresponds in the mobile phone APP that updates, and the operation is more convenient, and easily the upgrading and the maintenance of product.

Secondly, in the prior art, because the calibration of the camera and other sensors is performed by using physical calibration elements, when the calibration elements are adjusted, the gravity driven by the beam is large, the gravity center of the automobile calibration equipment is changed greatly, and the calibration elements are easily affected. Therefore, in the utility model, the calibration element on the cross beam can be used for calibrating other functions of the automobile, such as calibrating ACC functions of the automobile, and the calibration element can be adjusted by adjusting the cross beam. And because the position of projecting apparatus and screen is fixed, the gravity bending moment that the projecting apparatus received is fixed unchangeable, consequently, can not cause the influence to projecting apparatus and screen when the crossbeam goes up and down. In addition, during adjustment, the gravity center of the automobile calibration equipment is small in change, the projector and the screen cannot be affected, the consumed energy is small, the stability of the whole machine is improved, the weight of the whole machine is reduced, and the transportation and the use are convenient.

Drawings

One or more embodiments are illustrated in drawings corresponding to, and not limiting to, the embodiments, in which elements having the same reference number designation may be represented as similar elements, unless specifically noted, the drawings in the figures are not to scale.

Fig. 1 is a perspective view of an automobile calibration device according to an embodiment of the present invention;

fig. 2 is a perspective view of an automobile calibration device according to an embodiment of the present invention (a beam is moved to a middle position of a screen);

fig. 3 is a perspective view of the automobile calibration device provided in one embodiment of the present invention (the first fixing seat and the hanging plate slide to the end of the cross beam);

FIG. 4 is an enlarged view of a portion of the label of FIG. 3;

FIG. 5 is a schematic structural view of the first fixing base and the hanging plate according to an embodiment of the present invention;

FIG. 6 is a perspective view of another perspective view of an automotive calibration apparatus according to an embodiment of the present invention;

fig. 7 is a perspective view of an automobile calibration device provided in another embodiment of the present invention (a beam is located on a side of the pillar away from the screen);

fig. 8 is an expanded view of fig. 7.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model is described in more detail below with reference to the accompanying drawings and specific examples. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Furthermore, the technical features mentioned in the different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1, an automobile calibration apparatus 100 includes a bracket device 10, a beam 13, a projector 20, and a screen 30; the projector 20 and the screen 30 are both fixedly arranged on the support device 10, the projector 20 is opposite to the screen 30, and the projector 20 can project a calibration target for calibrating an automobile camera on the screen 30; the beam 13 is adjustably arranged on the support device 10, a calibration element (not shown in the figure) for calibrating the sensor is arranged on the beam 13, specifically, a hanging plate 14 is arranged on the beam 13, and the hanging plate 14 is used for fixing the calibration element. The sensor is a radar sensor, and can also be other sensors used for calibration.

When the automobile calibration device 100 of the embodiment is used, by presetting an image of a calibration target in the projector 20 and projecting the calibration target onto the screen 30, the display position of the calibration target on the screen 30 can be set according to the type of the preset automobile to be calibrated and the type of the camera to be calibrated. The projector 20 is adopted to project the pattern of the target to be calibrated to the designated position of the screen 30, so that the calibration of the LDW of the automobile can be realized at the same time, the integration level is high, and the calibration of a plurality of ADAS functions can be realized by one automobile calibration device 100. Different calibration target patterns can be selected according to vehicle types to project the screen, the operation mode is more flexible, frequent replacement of the calibration target is avoided, adverse effects caused by frequent replacement of the calibration target are avoided, and calibration of positions of vehicles of different models is achieved. The position of the calibration target pattern can be adjusted by adjusting the position of the built-in calibration target pattern, so that equipment vibration caused by adjusting the height of the calibration target is avoided; meanwhile, the input power of the system is reduced, energy is saved, a large number of PVC calibration targets are omitted, the operation steps are simplified while the calibration precision is improved, the user experience is improved, the new experience of the digitalized era is started, the manufacturing cost of equipment is reduced, the weight of the whole machine is reduced, and the transportation in the transportation and use processes is facilitated. Wherein, the realization of demarcating the target pattern also can be realized through the operation of wisdom screen and cell-phone APP. The user obtains the demarcation target pattern that is used for newly-increased motorcycle type calibration through the module that corresponds in the mobile phone APP that updates, and the operation is more convenient, and easily the upgrading and the maintenance of product.

Secondly, in the prior art, since the calibration of the camera and other sensors are performed by using physical calibration elements, when the calibration elements are adjusted, the gravity driven by the beam 13 is large, the change of the center of gravity of the automobile calibration device 100 is large, and the calibration elements are easily affected. Therefore, in this embodiment, the calibration element on the cross beam 13 can be used for calibrating other functions of the vehicle, such as calibrating ACC functions of the vehicle, and the calibration element can be adjusted by adjusting the cross beam 13. Since the positions of the projector 20 and the screen 30 are fixed, and the gravity bending moment applied to the projector 20 is fixed, the projector 20 and the screen 30 are not affected when the beam 13 is lifted. Moreover, during adjustment, the change of the gravity center of the automobile calibration device 100 is small, the influence on the projector 20 and the screen 30 is avoided, the consumed energy is small, the stability of the whole machine is improved, the weight of the whole machine is reduced, and the transportation and the use are convenient.

Referring to fig. 1 again, further, in an embodiment, the screen 30 and the projector 20 are both fixedly disposed on the bracket device 10, and do not need to move in the vertical direction, and since the screen and the projector are fixed, image distortion caused by inclination of the calibration target image due to height adjustment is avoided, and the calibration accuracy is improved.

Referring again to fig. 1, further, in an embodiment, the support device 10 includes a base 11 and a column 12; the stand 12 is arranged on the base 11, the screen 30 and the projector 20 are arranged on the stand 12, and the projector 20 is arranged above the screen 30. The base 11 is used for fixing the upright post 12, the upright post 12 is used for fixing the screen 30 and the projector 20, and both the screen 30 and the projector 20 can be fixed on the upright post 12, so that when the automobile calibration device 100 is moved, the relative position between the screen 30 and the projector 20 cannot be changed, image distortion caused by inclination of a calibration target image due to height adjustment is avoided, and calibration accuracy is improved. Referring to fig. 2, the cross beam 13 can slide along the length direction of the upright post 12, the hanging plate 14 is arranged on the cross beam 13, and the hanging plate 14 can be used for hanging other calibration devices, so as to realize other calibration functions, for example, a radar reflector can be hung on the hanging plate 14, thereby realizing the calibration of the radar function. The automobile calibration device 100 of the embodiment has multiple calibration functions at the same time. In fig. 2, the beam 13 is moved to the middle position of the screen 30.

Referring to fig. 3 to fig. 5, further, in an embodiment, the automobile calibration apparatus 100 further includes a first fixing seat 40, where the first fixing seat 40 is provided with at least one first pulley 41 and at least one second pulley 42; crossbeam 13 top is equipped with first spout 131, crossbeam 13 side is equipped with second spout 132, first pulley 41 slides to hang and establishes in the first spout 131, second pulley 42 slides and establishes in the second spout 132, first fixing base 40 can be followed through first pulley 41, second pulley 42 crossbeam 13 length direction removes, link plate 14 passes through first fixing base 40 establishes on the crossbeam 13. The first fixing seat 40 is arranged on the cross beam 13 in a sliding mode, and the hanging plate 14 is fixed on the first fixing seat 40. Due to the matching of the first pulley 41 and the first sliding groove 131 and the matching of the second pulley 42 and the second sliding groove 132, the first fixing seat 40 can be pushed to move along the length direction of the cross beam 13, and the first fixing seat 40 can drive the hanging plate 14 to move, so that the position of the calibration element can be adjusted. As shown in fig. 3, at this time, the first fixing seat 40 and the hanging plate 14 slide to the end of the cross beam 13. Specifically, the upright post 12 is vertically arranged on the base 11, and the cross beam 13 is transversely arranged on the upright post 12, so that the calibration element can be calibrated towards the automobile. Wherein, first pulley 41 is hung and is established in first spout 131, and first pulley 41 has born the main gravity of first fixing base 40, plays the fixed action. The cooperation of the second pulley 42 and the second sliding slot 132 mainly plays a guiding role, so that the first fixed seat 40 moves along the length direction of the cross beam 13. Preferably, the number of the first pulleys 41 and the second pulleys 42 is two, and the first pulleys 41 and the second pulleys 42 can be mutually positioned, so that the movement of the first fixing seat 40 is more stable. Specifically, the axial direction of the first pulley 41 faces the bottom end of the cross beam 13, the side surface of the first sliding groove 41 contacts with the wheel surface of the first pulley 41, the axial direction of the second pulley 42 faces the side surface of the cross beam 13, the second pulley 42 is also hung in the second sliding groove 132, and the second pulley 42 has a guiding function and also has a certain fixing function.

Referring to fig. 5 again, in an embodiment, a locking bolt 43 is disposed on the first fixing seat 40, a stud end of the locking bolt 43 movably abuts against the first sliding groove 131 for locking or unlocking the first fixing seat 40, and after the first fixing seat 40 moves to a certain position on the cross beam 13, the locking bolt 43 is tightened, so that the first fixing seat 40 can be locked on the cross beam 13. When it is desired to move the first holder 40 again, the locking of the first holder 40 can be released by unscrewing the locking bolt 43 in the opposite direction, at which point the first holder 40 can be pushed again.

Referring to fig. 6, further, in an embodiment, cameras 50 are respectively disposed on two sides of the cross beam 13 for calibrating and positioning the automobile tires, and the cameras 50 take pictures of calibration plates on the automobile tires to position four tires of the automobile.

Referring to fig. 6 again, further, in an embodiment, the automobile calibration apparatus 100 further includes a fixing frame 60, one side of the fixing frame 60 is connected to the upright 12, and the bottom of the fixing frame 60 is connected to the base 11; the screen 30 and the projector 20 are both provided on the column 12 through the fixing frame 60. The fixing frame 60 is used to fix the screen 30 and the projector 20.

Referring to fig. 6 again, in an embodiment, a second fixing seat 70 is slidably disposed on the upright 12, the beam 13 is located on a side of the screen 30 away from the upright 12, a connecting structure 71 is connected between the beam 13 and the second fixing seat 70, the beam 13 is connected to the second fixing seat 70 through the connecting structure 71, and the beam 13 can move along the length direction of the upright 12 through the second fixing seat 70, so that the beam 13 can move up and down. Can adjust about the position of demarcation component, be convenient for it realizes other demarcation functions, if can hang radar reflection mirror on link plate 14, and then realize the demarcation of radar function.

Referring to fig. 6 again, in an embodiment, the connecting structure 71 includes a first plate 711 and a second plate 712, the first plate 711 is disposed on the second fixing seat 70, the first plate 711 is located between the screen 30 and the upright 12, the second plate 712 is disposed on two sides of the first plate 711, and two ends of the cross beam 13 are connected to the second plate 712. First plate body 711 is used for connecting second fixing base 70, and second plate body 712 is used for connecting crossbeam 13, and second fixing base 70 drives first plate body 711 when removing and removes, then drives second plate body 712 and removes, crossbeam 13 reciprocates, finally realizes the regulation to demarcation component and camera 50 upper and lower position.

Referring to fig. 6 again, in an embodiment, the upper portion of the fixing frame 60 is connected to the upright 12, and a gap through which the first plate 711 can pass is provided between the side surface of the lower portion of the fixing frame 60 and the upright 12, so that the first plate 711 can avoid the fixing frame 60 and the screen 30, and the cross beam 13 can be adjusted up and down in front of the screen 30.

Referring to fig. 7, further, in an embodiment, a second fixing seat 70 is slidably disposed on the upright 12, and the beam 13 is located on a side of the upright 12 away from the screen 30, at this time, the mounting position of the screen 30 does not affect the sliding of the second fixing seat 70, and a avoiding structure such as a gap is not required to be disposed, and the beam 13 can move up and down along the upright 12 through the second fixing seat 70.

Referring to fig. 8, further, in an embodiment, a rotation driving element 123 is disposed on the upright 12, at least one sliding rail 121 is disposed on each of two sides of the upright 12, each sliding rail 121 is disposed along a length direction of the upright 12, a screw rod 122 is disposed between the sliding rails 121 on the two sides of the upright 12, the second fixing base 70 is slidably disposed on each sliding rail 121, the second fixing base 70 is further connected to the screw rod 122 in a transmission manner, and the screw rod 122 is connected to the rotation driving element 123 in a transmission manner. Preferably, two sides of the upright post 12 are respectively provided with a slide rail 121, the two slide rails 121 are parallel to each other, the two slide rails 121 are respectively provided with a slide block, and the second fixing seat 70 is slidably disposed on the two slide rails 121 through the slide block. A transmission threaded hole is formed in the second fixing seat 70, the screw rod 122 is arranged in the threaded hole of the second fixing seat 70 in a penetrating manner, and the second fixing seat 70 can move along the length direction of the screw rod 122 and the length direction of the slide rail 121 under the driving of the rotation driving element 123. Wherein, the rotation driving element 123 is a motor, etc., and the second fixing seat 70 can be automatically adjusted up and down by the motor and a control switch thereof.

It should be noted that, in the embodiment of the present invention, the method is implemented by using the automobile calibration apparatus 100 provided in the above embodiment, and reference may be made to the description of the automobile calibration apparatus 100 provided in the embodiment of the present invention for technical details that are not described in detail in the embodiment of the method.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; within the idea of the utility model, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automobile calibration device is characterized by comprising a bracket device, a beam, a projector, a first fixed seat and a screen;

the cross beam is arranged on the bracket device in an adjustable manner, and a calibration element for calibrating the sensor is arranged on the cross beam;

the first fixing seat is provided with at least one first pulley and at least one second pulley;

2. The automotive calibration device of claim 1, wherein the bracket device comprises:

a base;

the stand, the stand is established on the base, the screen with the projecting apparatus is all established on the stand, the crossbeam can be followed the stand length direction slides.

3. The vehicle calibration device of claim 1, wherein the first pulley is axially oriented toward the bottom end of the cross beam, and the second pulley is axially oriented toward the side of the cross beam.

4. The automobile calibration device of claim 1, wherein a locking bolt is disposed on the first fixing seat, and a stud end of the locking bolt movably abuts against the first sliding groove to lock or unlock the first fixing seat.

5. The vehicle calibration device according to any one of claims 1 to 4, wherein cameras are respectively disposed on two sides of the cross beam for calibrating and positioning the vehicle tire.

6. The automobile calibration device of claim 2, further comprising a fixing frame, wherein one side of the fixing frame is connected to the upright, and the bottom of the fixing frame is connected to the base;

7. The automobile calibration device as claimed in claim 6, wherein a second fixing seat is slidably disposed on the pillar, the cross beam is located on a side of the screen away from the pillar, and a connecting structure is connected between the cross beam and the second fixing seat.

8. The automobile calibration device of claim 7, wherein the connecting structure comprises a first plate and a second plate, the first plate is disposed on the second fixing seat, the first plate is located between the screen and the upright, the second plate is disposed on two sides of the first plate, and two ends of the cross beam are connected to the second plate respectively.

9. The vehicle calibration device according to claim 8, wherein an upper portion of the fixed frame is connected to the pillar, and a gap through which the first plate passes is provided between a side surface of a lower portion of the fixed frame and the pillar.

10. The vehicle calibration device according to claim 6, wherein a second fixing seat is slidably disposed on the pillar, and the cross beam is located on a side of the pillar away from the screen.

11. The vehicle calibration device according to any one of claims 7 to 10, wherein a rotation driving element is disposed on the pillar, at least one sliding rail is disposed on each side of the pillar, each sliding rail is disposed along a length direction of the pillar, a screw rod is disposed between the sliding rails on each side of the pillar, the second fixing seat is slidably disposed on each sliding rail, the second fixing seat is further in transmission connection with the screw rod, and the screw rod is in transmission connection with the rotation driving element.