Calibration component and calibration assembly

Abstract

The utility model provides a calibration part and a calibration assembly, the calibration part comprises a calibration ball and a calibration rod connected with the calibration ball, the calibration ball is spherical, the diameter of the calibration rod is smaller than that of the calibration ball, and the calibration rod is used for fixing the calibration ball at a preset height. The calibration assembly comprises a calibration box body and the calibration components, and a plurality of calibration components are arranged in the calibration box body. By adopting the technical scheme, the calibration operation of the measuring units in multiple directions can be completed only by arranging one calibration component, the consistency of calibration results is improved, and the error of the calibration results is reduced. On the basis of the advantages of the calibration component provided by the embodiment, the calibration component can improve the calibration effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of calibration assembly, more specifically, relate to a kind of calibration component and calibration assembly. BACKGROUND

[0002] With the development of China's science and technology and economy, the number of resident car ownership is growing rapidly, and the detection technology of automobile is also developing continuously.As an important part of vehicle detection, automobile wheel positioning parameter detection plays a crucial role in vehicle safety.If the wheel positioning parameter is not normal, it will lead to a series of problems such as abnormal wear of automobile tire, running deviation, wheel flutter, heavy steering, increased fuel consumption and other economic and safety problems, which directly affect the driving safety and daily use of automobile.

[0003] At present, the vehicle detection equipment for detecting the position of four wheels of automobile in the market adopts image recognition method to obtain the positioning information of tire; however, when the existing vehicle detection equipment calibrates its own position in multiple directions, different calibration components need to be established in multiple directions, which easily leads to inconsistent calibration results of its own position, resulting in errors in calibration results. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of calibration component and calibration assembly to solve the technical problems that the vehicle detection equipment in prior art calibrates its own position in multiple directions, different calibration components need to be established in multiple directions, which easily leads to inconsistent calibration results of its own position, resulting in errors in calibration results.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0006] In a first aspect, a calibration component is provided, comprising:

[0007] The calibration ball is in the shape of a sphere, and the diameter of the calibration rod is smaller than the diameter of the calibration ball, and the calibration rod is used to fix the calibration ball at a predetermined height.

[0008] By adopting the above technical scheme, only one calibration component is needed to complete the calibration of the measurement unit in multiple directions, improve the consistency of the calibration results, and reduce the error of the calibration results.

[0009] In one embodiment, the calibration component further comprises a connecting portion connecting the calibration ball and the calibration rod, and the diameter of the connecting portion is smaller than the diameter of the calibration rod.

[0010] By adopting the technical scheme, the connecting part connects the calibration ball and the calibration rod, and the calibration operation accuracy of the calibration ball and the supporting effect of the calibration rod are considered.

[0011] In one embodiment, the calibration part further comprises a first transition part that smoothly connects the calibration ball and the connecting part; and a second transition part that smoothly connects the connecting part and the calibration rod.

[0012] By adopting the technical scheme, the first transition part and the second transition part can reduce the possibility of forming sharp corners due to the connection of the calibration ball, the connecting part and the calibration rod in sequence, and reduce the influence of the calibration ball image; at the same time, the first transition part and the second transition part can stabilize the connection of the calibration ball, the connecting part and the calibration rod in sequence.

[0013] In one embodiment, the calibration part further comprises an adjusting rod connected to an end of the calibration rod away from the calibration ball.

[0014] By adopting the technical scheme, the adjusting rod can adjust the height of the calibration ball, so that the calibration part can adapt to different calibration requirements.

[0015] In one embodiment, the adjusting rod is detachably connected to the calibration rod.

[0016] By adopting the technical scheme, the calibration rod can replace the adjusting rod, which is beneficial to adjusting the height of the calibration ball.

[0017] In one embodiment, the adjusting rod is threadedly connected or plug-in connected to the calibration rod.

[0018] By adopting the technical scheme, the cooperation between the adjusting rod and the calibration rod is simple.

[0019] In one embodiment, the calibration ball and the calibration rod are white or metal alloy oxidized in their original colors.

[0020] By adopting the technical scheme, the color contrast between the calibration rod and the calibration ball is high, the clarity of the photographed image of the calibration ball is improved, and the calibration effect is improved.

[0021] In one embodiment, the calibration ball and the calibration rod are made of metal alloy.

[0022] By adopting the technical scheme, the calibration ball and the calibration rod are lightweight.

[0023] In one embodiment, the diameter of the calibration ball ranges from 10 to 15 mm.

[0024] By adopting the technical scheme, the calibration ball in the size range can be shot to obtain a calibration image with better shooting effect.

[0025] In a second aspect, a calibration assembly is provided, comprising a calibration box and the calibration component, and the calibration box is internally provided with a plurality of calibration components.

[0026] By adopting the technical scheme, the calibration assembly of the embodiment can improve the calibration effect on the basis of the advantages of the calibration component of the above embodiment. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0028] Figure 1 is a front view of the calibration component provided by the embodiment of the present application;

[0029] Figure 2 is an exploded view of the calibration component provided by the embodiment of the present application.

[0030] In the drawings, the reference signs are as follows:

[0031] 1, calibration ball; 2, calibration rod; 3, connecting part; 4, first transition part; 5, second transition part; 6, adjusting rod;

[0032] 21, matching hole; 61, matching column. DETAILED DESCRIPTION

[0033] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0034] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected or indirectly connected to the other element.

[0035] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not indicate that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0036] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating relative importance or indicating the number of technical features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited. The specific implementation of the present application is described in more detail below in conjunction with specific embodiments:

[0037] As shown in Figure 1 and Figure 2 The present application provides a calibration component for calibrating a measurement unit in a vehicle detection device. The vehicle detection device for measuring vehicle four-wheel alignment information needs to arrange four measurement units, one-to-one corresponding to the tire. The positions of the four measurement units need to be calibrated by the calibration component, that is, the positions of the four measurement units need to be calibrated according to the positions of the calibration component. The calibration component provided in the present embodiment can be used by the measurement unit to obtain the image of the calibration component from different directions, and then calibrate the position of the measurement unit. The following will be described through specific embodiments:

[0038] The calibration component of the present embodiment comprises:

[0039] A calibration ball 1 and a calibration rod 2 connected with the calibration ball 1. The shape of the calibration ball 1 is a sphere, and the diameter of the calibration rod 2 is smaller than the diameter of the calibration ball 1. The calibration rod 2 is used to fix the calibration ball 1 at a predetermined height.

[0040] Here, it can be understood that the calibration ball 1 is used to obtain the image by the measurement unit, the measurement unit shoots the image of the calibration ball 1, and the coordinate value is determined according to the center of the calibration ball 1, so as to calibrate the position of the measurement unit. The calibration rod 2 is used to fix the calibration ball 1 at a predetermined height, so that the measurement unit can obtain the calibration ball 1 at the predetermined height, which is beneficial to the measurement unit to determine the coordinate value.

[0041] Specifically, the shape of the calibration ball 1 is a sphere, and the camera of the measurement unit can calculate the center of the calibration ball 1 from the side or front of the calibration ball 1. When calibrating the measurement unit, the image of the calibration ball 1 is obtained from different directions, that is, the image of the calibration ball 1 obtained from different angles is a circular pattern. The calibration rod 2 is used to connect and support the calibration ball 1, and the calibration rod 2 has a predetermined height, so that the calibration ball 1 has a predetermined height when connected to the calibration rod 2.

[0042] The working principle of the calibration component of the embodiment is as follows:

[0043] The calibration component is fixed near the vehicle, for example, can be arranged between two measurement units corresponding to the tire one by one; the calibration rod 2 has a preset height, the calibration rod 2 supports the calibration ball 1 so that the calibration ball 1 is located at the preset height, the measurement unit is used to obtain the image of the calibration ball 1, the image of the calibration ball 1 is circular, the measurement unit analyzes the center of the image of the calibration ball 1, and analyzes the coordinate value, and then calibrates the position of the measurement unit itself.

[0044] It needs to be further explained that the measurement unit can shoot the image of the calibration ball 1 from multiple directions, because no matter from which direction the image of the calibration ball 1 is shot, the image of the calibration ball 1 is circular, and the center position is unchanged, so the calibration ball 1 of the embodiment can be applied to calibrate the measurement unit in multiple directions.

[0045] By adopting the above technical scheme, the calibration of the measurement unit in multiple directions can be completed by only setting one calibration component, the consistency of the calibration result is improved, and the error of the calibration result is reduced.

[0046] In one embodiment, the calibration component further comprises a connecting part 3, the connecting part 3 connects the calibration ball 1 and the calibration rod 2, and the diameter of the connecting part 3 is smaller than the diameter of the calibration rod 2.

[0047] Here, it can be understood that the connecting part 3 is used to connect the calibration ball 1 and the calibration rod 2.

[0048] Specifically, the connecting part 3 is located between the calibration ball 1 and the calibration rod 2, one end of the connecting part 3 is connected with the calibration ball 1, the other end of the connecting part 3 is connected with the calibration rod 2, and the diameter of the connecting part 3 is smaller than the diameter of the calibration rod 2, that is, the diameter of the connecting part 3 is the smallest among the connecting part 3, the calibration ball 1 and the calibration rod 2, which ensures the connection of the calibration ball 1 and the calibration rod 2, and also reduces the influence of the relatively thick calibration rod 2 on the measurement unit shooting the image of the calibration ball 1; in addition, the diameter of the calibration rod 2 is greater than the diameter of the connecting part 3, which ensures that the calibration rod 2 has a large diameter and has strong mechanical strength, so that the calibration rod 2 can provide sufficient support force for the calibration ball 1.

[0049] By adopting the above technical scheme, the connecting part 3 connects the calibration ball 1 and the calibration rod 2, and the accuracy of the calibration of the calibration ball 1 and the supporting effect of the calibration rod 2 are considered.

[0050] In one embodiment, the calibration component further comprises a first transition part 4, the first transition part 4 is connected with the calibration ball 1 and the connecting part 3 in a smooth transition manner; the calibration component further comprises a second transition part 5, the second transition part 5 is connected with the calibration rod 2 and the connecting part 3 in a smooth transition manner.

[0051] Here, it can be understood that the first transition part 4 is used to connect the calibration ball 1 and the connecting part 3, one end of the first transition part 4 is connected with the calibration ball 1, and the other end of the first transition part 4 is connected with the connecting part 3; the second transition part 5 is used to connect the calibration rod 2 and the connecting part 3, one end of the second transition part 5 is connected with the calibration rod 2, and the other end of the second transition part 5 is connected with the connecting part 3.

[0052] Specifically, the first transition part 4 connects the calibration ball 1 and the connecting part 3 in a smooth transition, avoiding the generation of sharp corners between the calibration ball 1 and the connecting part 3 to affect the image of the calibration ball 1; the second transition part 5 connects the calibration rod 2 and the connecting part 3 in a smooth transition, avoiding the generation of sharp corners between the calibration rod 2 and the connecting part 3 to affect the image of the calibration ball 1.

[0053] It needs to be further explained that the first transition part 4 can also make the connection between the calibration ball 1 and the connecting part 3 more stable; similarly, the second transition part 5 can also make the connection between the calibration rod 2 and the connecting part 3 more stable.

[0054] By adopting the above technical solution, the first transition part 4 and the second transition part 5 can reduce the possibility of forming sharp corners due to the connection of the calibration ball 1, the connecting part 3 and the calibration rod 2 in sequence, and reduce the influence on the image of the calibration ball 1; at the same time, the first transition part 4 and the second transition part 5 can make the connection of the calibration ball 1, the connecting part 3 and the calibration rod 2 stable.

[0055] In one embodiment, the calibration part further comprises an adjusting rod 6, and the adjusting rod 6 is connected with one end of the calibration rod 2 away from the calibration ball 1.

[0056] Here, it can be understood that the adjusting rod 6 is used to adjust the height of the calibration ball 1.

[0057] For example, the calibration ball 1 and the calibration rod 2 are custom-made, that is, the diameter of the calibration ball 1 and the height of the calibration rod 2 are fixed values, and when it is necessary to adjust the height of the calibration ball 1, an adjusting rod 6 is added to change the height of the calibration ball 1.

[0058] It needs to be further explained that the adjusting rod 6 can have multiple height specifications, that is, the calibration part selects an adjusting rod 6 with a height specification to be connected with the calibration rod 2 according to the demand of calibration height, so as to meet the demand of different heights of the calibration ball 1.

[0059] By adopting the above technical solution, the adjusting rod 6 can adjust the height of the calibration ball 1, so that the calibration part can adapt to different calibration demands.

[0060] In one embodiment, the adjusting rod 6 is detachably connected with the calibration rod 2.

[0061] Here, it can be understood that the calibration rod 2 can select one of the height specifications of the adjusting rod 6 according to the calibration requirements and be connected therewith.

[0062] Specifically, the adjusting rod 6 is detachably connected with the calibration rod 2, so that the adjusting rod 6 connected with the calibration rod 2 is replaceable.

[0063] By adopting the above technical solution, the calibration rod 2 can replace the adjusting rod 6, which is beneficial to adjusting the height of the calibration ball 1.

[0064] In an embodiment, the adjusting rod 6 is threadedly connected or plug-in fit connected with the calibration rod 2.

[0065] Here, it can be understood that the calibration rod 2 is provided with a matching hole 21, and the adjusting rod 6 is provided with a matching column 61 inserted into the matching hole 21.

[0066] Specifically, when the adjusting rod 6 is threadedly connected with the calibration rod 2, the hole wall of the matching hole 21 is provided with an internal thread, and the matching column 61 is provided with an external thread matched with the internal thread; when the adjusting rod is plug-in fit connected with the calibration rod 2, the matching column 61 is in interference fit with the matching hole 21, and the relative fixation is realized by the friction force action of the two.

[0067] By adopting the above technical solution, the cooperation between the adjusting rod 6 and the calibration rod 2 is simple.

[0068] In an embodiment, the color of the calibration ball 1 and the calibration rod 2 is white or metal alloy oxidized natural color.

[0069] Here, it can be understood that in order to enable the measurement unit to shoot the inclined circle center pattern, the color of the calibration ball 1 is set to white.

[0070] Specifically, the white calibration ball 1 is easy to form contrast with other articles in the environment, which is more conducive to the measurement unit to obtain images.

[0071] By adopting the above technical solution, the calibration rod 2 and the calibration ball 1 have high color contrast, the clarity of the shot image of the calibration ball 1 is improved, and the calibration effect is improved.

[0072] In an embodiment, the material of the calibration ball 1 and the calibration rod 2 is metal alloy.

[0073] Here, it can be understood that the color of the calibration rod 2 is metal alloy oxidized natural color, which is easy to manufacture and can form contrast with the calibration ball 1.

[0074] Specifically, the calibration rod 2 can be selected as aluminum alloy, which has lighter weight and better mechanical strength, and the surface of the aluminum alloy can be naturally oxidized to the natural color, reducing the processing cost.

[0075] By adopting the technical scheme, the calibration rod 2 and the calibration ball 1 are lightweight.

[0076] In one embodiment, the diameter of the calibration ball 1 ranges from 10 mm to 15 mm.

[0077] Here, it can be understood that the calibration ball 1 preferably has a diameter of 13 mm.

[0078] By adopting the technical scheme, the calibration ball 1 in the above size range can be shot to obtain a calibration image with better effect.

[0079] In a second aspect, a calibration assembly is provided, which comprises a calibration box body and the calibration component described above, and the calibration box body is provided with a plurality of calibration components.

[0080] Here, it can be understood that the plurality of calibration components are used to calibrate one measurement unit at the same time, so that the measurement unit can obtain more coordinate values and improve the calibration effect.

[0081] By adopting the technical scheme, on the basis of the advantages of the calibration component with the above embodiment, the calibration assembly of the present embodiment can improve the calibration effect.

[0082] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A calibration part characterized by, The calibration component comprises: a calibration ball and a calibration rod connected to the calibration ball, the calibration ball is in the shape of a sphere, the diameter of the calibration rod is smaller than the diameter of the calibration ball, and the calibration rod is used to fix the calibration ball at a preset height; the calibration component further comprises an adjusting rod connected to the end of the calibration rod away from the calibration ball.

2. The calibration component of claim 1, wherein, The calibration component further comprises a connecting part connecting the calibration ball and the calibration rod, and the diameter of the connecting part is smaller than the diameter of the calibration rod.

3. The calibration component of claim 2, wherein, The calibration component further comprises a first transition part for smoothly connecting the calibration ball and the connecting part, and a second transition part for smoothly connecting the calibration rod and the connecting part.

4. The calibration component of claim 1, wherein, The adjusting rod is detachably connected to the calibration rod.

5. The calibration component of claim 4, wherein, The adjusting rod is threadedly connected to the calibration rod or is connected to the calibration rod through plug-in fitting.

6. The calibration member of any one of claims 1 to 5, wherein, The calibration ball and the calibration rod are white or in the original color of metal alloy oxidation.

7. The calibration member of any one of claims 1 to 5, wherein The calibration ball and the calibration rod are made of metal alloy.

8. The calibration member of any one of claims 1 to 5, wherein The diameter of the calibration ball ranges from 10 to 15 mm.

9. A calibration assembly characterized by, The calibration kit comprises a calibration box and the calibration component according to any one of claims 1 to 8, and the calibration box is provided with a plurality of calibration components.

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