Mounting mechanism of automobile internal reference calibration camera

Abstract

The utility model belongs to the field of internal reference calibration, and relates to an installation mechanism of an automobile internal reference calibration camera, which comprises a mechanical arm, a quick-change connecting piece and a fixing tool, and the quick-change connecting piece is detachably connected to the execution tail end of the mechanical arm; the fixing tool is connected to the quick-change connecting piece; the fixing tool is used for mounting a camera; the quick-change connecting piece comprises a connecting piece body, the rear end of the connecting piece body extends to form a limiting boss, a guide boss is formed on the limiting boss, and the guide boss is matched with a mounting hole in the execution tail end of the mechanical arm. A connecting platform is formed at the front end of the connecting piece body. After the structure is adopted, the fixing tool has the beneficial effects that the structure is simple, the operation is convenient, the fixing tool is quickly replaced through the quick-change connecting piece, different calibration requirements can be met, and the applicability is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of internal parameter calibration, specifically, it is about a kind of installation mechanism of automobile internal parameter calibration camera. BACKGROUND

[0002] The internal parameter calibration of automobile is generally calibrated by fixed target, that is, the fixed target image of internal parameter calibration under different distances and different position postures is collected for calibration, for example, dozens of images are collected to accurately solve internal parameter.In internal parameter calibration, camera needs to be fixed, and the image of fixed target at different distances is collected by camera, however, in the prior art, there is no better fixing device to quickly fix the camera, so that the camera is inconvenient to fix on test equipment during camera internal parameter calibration, which causes time-consuming and laborious internal parameter calibration of camera.Therefore, it is necessary to improve. UTILITY MODEL CONTENT

[0003] To solve the above problems of prior art, the utility model provides a kind of installation mechanism of automobile internal parameter calibration camera.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] As an aspect of the utility model, a kind of installation mechanism of automobile internal parameter calibration camera is provided, which comprises: mechanical arm, quick-change connecting piece and fixed tool, the quick-change connecting piece is detachably connected on the execution end of mechanical arm;The fixed tool is connected on quick-change connecting piece;Fixed tool is used to install camera;

[0006] The quick-change connecting piece includes connecting piece body, the rear end of the connecting piece body extends to form a limiting boss, a guide boss is formed on the limiting boss, and the guide boss is matched with the mounting hole of the execution end of the mechanical arm;Fastener mounting hole is formed on the connecting piece body, and the fastener mounting hole penetrates the limiting boss, and the fastener mounting hole is connected with fastener, the quick-change connecting piece and the mechanical arm are detachably connected by the fastener;The front end of the connecting piece body forms a connecting platform, and the fixed tool is detachably connected on the connecting platform.

[0007] As an option, the fixed tool includes tool body, and the tool body is connected on the connecting platform;First support is connected or integrally formed at the four corners of the tool body respectively, second support is connected or integrally formed at the left middle part of the tool body, and third support is connected or integrally formed at the right middle part of the tool body;Camera is connected on the first support, the second support and the third support respectively.

[0008] As an option, a second clearance hole is formed in the middle part of the tool body.

[0009] Optionally, a first accommodating through hole is arranged in the middle of the connecting body, and the first accommodating through hole penetrates the limiting boss and the guiding boss.

[0010] Optionally, the size of the limiting boss is smaller than that of the connecting body, and the diameter of the guiding boss is smaller than that of the limiting boss.

[0011] Optionally, the tool body is provided with a plurality of lightening holes.

[0012] Optionally, the first support is L-shaped.

[0013] Optionally, the second support is L-shaped.

[0014] Optionally, the third support is L-shaped.

[0015] The mounting mechanism of the automobile inner parameter calibration camera has the advantages of simple structure, convenient operation, quick replacement of the fixed tool through the quick-change connecting piece, adaptability to different calibration requirements, and strong applicability. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings accompanying the specification provide further understanding of the present application, and the schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application.

[0017] Figure 1 Fig. 1 is a structural schematic view of the mounting mechanism of the automobile inner parameter calibration camera of the present application;

[0018] Figure 2 Fig. 1 is a structural schematic view of the mounting mechanism of the automobile inner parameter calibration camera of the present application;

[0019] Figure 3 Fig. 1 is a structural schematic view of the mounting mechanism of the automobile inner parameter calibration camera of the present application;

[0020] Figure 4 Fig. 1 is a structural schematic view of the mounting mechanism of the automobile inner parameter calibration camera of the present application;

[0021] Figure 5 Fig. 1 is a structural schematic view of the mounting mechanism of the automobile inner parameter calibration camera of the present application; DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model technical scheme will be described clearly and completely in combination with specific embodiments of the utility model and corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] One kind of car inner reference mark calibration camera's mounting mechanism of an embodiment of the application, as shown in Figures 1-4 It includes: mechanical arm 1, it should be explained that the mechanical arm 1 is six-axis mechanical arm, its structure is prior art, not repeated here again.

[0024] Quick-change connecting piece 2, the quick-change connecting piece 2 is detachably connected on the execution end of mechanical arm 1;

[0025] Fixed tooling 3 is connected on quick-change connecting piece 2;Fixed tooling 3 is used to install camera 4.

[0026] Specifically, in the embodiment, as shown in Figures 2-4 The quick-change connecting piece 2 includes connecting piece body 21, the middle of connecting piece body 21 is provided with first let go through hole 22, the rear end of connecting piece body 21 extends to form limit boss 23, the limit boss 23 is formed with guide boss 24, the size of limit boss 23 is less than the size of connecting piece body 21, the diameter of guide boss 24 is less than the diameter of limit boss 23;The first let go through hole 22 penetrates limit boss 23 and guide boss 24, the guide boss 24 is matched with the mounting hole 11 of the execution end of mechanical arm 1, and the guide cooperation between quick-change connecting piece 2 and mechanical arm 1 is facilitated;Fastener mounting hole 25 is formed in connecting piece body 21, fastener mounting hole 25 penetrates limit boss 23, and fastener is connected in fastener mounting hole 25, quick-change connecting piece 2 and mechanical arm 1 are detachably connected by fastener;The front end of connecting piece body 21 forms connecting platform 26, and the fixed tooling 3 is detachably connected on connecting platform 26.

[0027] Further, in the embodiment, as shown in Figures 2-4As shown, the fixing tool 3 comprises a tool body 31 connected to the connecting platform 26; a plurality of lightening holes 32 are arranged on the tool body 31; a first support 33 is connected to or integrally formed at the left corner of the tool body 31; the first support 33 is in L shape; a second support 34 is connected to or integrally formed at the left middle of the tool body 31; the second support 34 is in L shape; a third support 35 is connected to or integrally formed at the right middle of the tool body 31; the third support 35 is in L shape; and the first support 33, the second support 34 and the third support 35 are respectively connected with the cameras 4.

[0028] Further, in the embodiment, a second accommodating hole 36 is arranged at the middle of the tool body 31; the center line of the second accommodating hole 36, the center line of the first accommodating through hole 22 and the center line of the mounting hole 11 of the execution end of the mechanical arm 1 coincide.

[0029] In the embodiment, the cameras 4 to be calibrated are installed on the execution end of the mechanical arm 1 through the fixing tool 3; after the mechanical arm 1 moves to the predetermined position, the cameras 4 perform image shooting on the arranged fixed targets 5, as shown. Figure 5

[0030] In summary, the automobile intrinsic parameter calibration camera mounting mechanism has the advantages that: the fixing tool 3 can be quickly replaced through the quick-change connecting piece 2, which can adapt to different calibration requirements and has strong applicability.

[0031] It is to be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and it should also be understood that, when the terms "comprise" and / or "include" are used in the specification, there is a presence of the features, steps, operations, devices, components and / or combinations thereof.

[0032] ​The foregoing is considered as illustrative only of the principles of the application. Other variations and modifications are possible in light of the above teachings. Therefore, the scope of the application is not intended to be limited to the particular embodiments described herein but is to be accorded the broadest scope consistent with the scope of the claims, with the full scope of such claims being defined in the claims. The embodiments described herein and / or shown in the accompanying drawings are susceptible to various modifications and alternative forms, specific examples thereof having been shown and described as illustrative only. It should be understood by those skilled in the art that the application is not intended to be limited to the particular embodiments described herein above but encompasses all modifications made by one of ordinary skill in the art to adapt and / or modify the present application to and / or for other applications of the application. Various representative embodiments of the application are described hereinabove. These embodiments are illustrative of the principles of the application and are not intended to limit the scope of the application. The principles of the application are not limited to the embodiments described hereinabove. The scope of the application is limited only by the claims.

[0033] In the description of the present application, it is to be understood that the orientation or positional relationships indicated by terms such as "front", "back", "up", "down", "left", "right", "lateral", "vertical", "horizontal", "top", "bottom", and the like are generally based on the orientation or positional relationships shown in the drawings, and are merely intended to facilitate the description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present application. The orientation terms "inner", "outer" refer to the inner and outer relative to the contour of the components themselves.

[0034] For the convenience of description, spatial relative terms such as "above", "upper", "top", "up", "lower", "bottom", and the like can be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations of the devices in use or operation in addition to the orientation of the devices described in the drawings. For example, if the devices in the drawings are turned over, the device described as "above" or "above" the other device or structure will be positioned "below" or "below" the other device or structure. Thus, the exemplary term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein are interpreted accordingly.

[0035] In addition, it should be noted that the use of "first", "second", and the like words to qualify elements is merely for the convenience of distinguishing the corresponding elements, and the above words have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.

[0036] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "have", "connection" and the like, should be broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, can also be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0037] The above is only the preferred embodiment of the utility model, and any change and modification made according to the patent application scope of the utility model shall belong to the scope of the utility model.

Claims

1. An installation mechanism of an in-vehicle reference marker calibration camera, characterized by, It includes: A mechanical arm, a quick-change connector and a fixing tool, the quick-change connector is detachably connected to the execution end of the mechanical arm; The fixing tool is connected to the quick-change connector; the fixing tool is used for installing a camera; The quick-change connector includes a connector body, the rear end of the connector body extends to form a limiting boss, a guide boss is formed on the limiting boss, the guide boss is matched with the mounting hole of the execution end of the mechanical arm; a fastener mounting hole is formed on the connector body, the fastener mounting hole penetrates the limiting boss, a fastener is connected in the fastener mounting hole, the quick-change connector and the mechanical arm are detachably connected through the fastener; the front end of the connector body forms a connecting platform, and the fixing tool is detachably connected to the connecting platform.

2. The mounting mechanism for calibrating an in-vehicle camera according to claim 1, wherein The fixing tool includes a tool body, the tool body is connected to the connecting platform; first supports are respectively connected or integrally formed at the four corners of the tool body, a second support is connected or integrally formed at the left middle part of the tool body; a third support is connected or integrally formed at the right middle part of the tool body; cameras are respectively connected to the first supports, the second support and the third support.

3. The mounting mechanism for calibrating an in-vehicle camera according to claim 2, wherein A second accommodating hole is formed in the middle of the tool body.

4. The mounting mechanism for calibrating an in-vehicle camera according to claim 1, wherein A first accommodating through hole is formed in the middle of the connector body, the first accommodating through hole penetrates the limiting boss and the guide boss.

5. The mounting mechanism for calibrating an in-vehicle camera according to claim 4, wherein The size of the limiting boss is smaller than the size of the connector body, and the diameter of the guide boss is smaller than the diameter of the limiting boss.

6. The mounting mechanism for calibrating an in-vehicle camera according to claim 2, wherein A plurality of lightening holes are arranged on the tool body.

7. The mounting mechanism for calibrating an in-vehicle camera according to claim 2, wherein The first support is in L shape.

8. The mounting mechanism for calibrating an in-vehicle camera according to claim 2, wherein The second support is in L shape.

9. The mounting mechanism for calibrating an in-vehicle camera according to claim 2, wherein The third support is in L shape.

Images