A four-eye camera housing

By designing the four-eye camera case, the lens is installed on the inner bevel and a specific baseline angle is set, the lighting problem in the outdoor environment is solved and the accuracy and application stability of 3D camera technology are improved.

CN222706550UActive Publication Date: 2025-04-01BEIJING LANJIANG XINGYUAN TECH CO LTD
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Patent Information

Application Number
CN202421409418.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-04-01
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

The existing 3D camera technology is difficult to achieve millimeter-level accuracy due to strong sunlight, surface reflection and insufficient light in outdoor environments, affecting the accuracy and reliability of robot grasping actions.

Method used

A four-eye camera housing is designed, the lens is installed on the inner inclined surface, forming two sets of binocular stereo cameras. The baseline design angle is included to avoid sunlight reflection interference, the yaw angle is 12 degrees and the pitch angle is 8 degrees.

Benefits of technology

In outdoor environments, at least one set of stereo cameras can avoid interference from sunlight reflection, ensure that the stereo vision system of multiple cameras captures clear imaging, and improves application stability and reliability.

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Abstract

The utility model discloses a four-eye camera housing, including an outer shell and a cover body, wherein a lens mounting structure is installed on the inner wall of the outer shell, and plane a, plane b, plane c and plane d are sequentially arranged on the front side of the outer shell from top to bottom, wherein plane a and plane c are parallel and coplanar, and plane b and plane d are parallel and coplanar. In the utility model, the lens is installed on inner bevel a, inner bevel b, inner bevel c and inner bevel d to form two groups of binocular stereo cameras, and the baselines of the two groups of binocular cameras are designed with a certain angle to ensure that the difference is affected by the reflection of the external light source, wherein the yaw (left and right) direction is 12 degrees, and the pitch direction is 8 degrees. Such a design enables at least one group of stereo cameras to avoid the interference of sunlight reflection in an outdoor environment, and ensures that the multi-camera stereo vision system can capture clear imaging at any time, thereby improving the stability and reliability of the application in outdoor scenes.
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Description

Technical Field

[0001] The utility model relates to the technical field of image acquisition equipment, in particular to a four-eye camera housing. Background Art

[0002] 3D camera technology often encounters complex lighting problems in outdoor environments, such as strong sunlight, surface reflections, and insufficient light. These problems may affect the precise acquisition of 3D data and make it impossible to achieve millimeter-level accuracy. This lack of precision directly affects the accuracy and reliability of the robot's flexible grasping movements. Some products on the market, such as Intel's RealSense, often perform unstable in outdoor environments. Once the shooting distance exceeds 1 meter, the error reaches the centimeter level, and it is easily affected by reflections, making it difficult to meet the needs of industrial applications. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a four-eye camera housing.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A four-eye camera housing comprises an outer shell and a cover body, wherein a lens mounting structure is installed on the inner wall of the outer shell, and a plane a, a plane b, a plane c and a plane d are sequentially arranged on the front side of the outer shell from top to bottom, wherein the plane a and the plane c are parallel and coplanar, and the plane b and the plane d are parallel and coplanar, and the plane a, the plane b, the plane c and the plane d are arranged one by one with outer bevels a, outer bevels b, outer bevels c and outer bevels d, and the outer bevels a, the outer bevels b, the outer bevels c and the outer bevels d are all provided with circular holes;

[0006] The outer inclined surface a and the outer inclined surface c are parallel and coplanar, the outer inclined surface b and the outer inclined surface d are parallel and coplanar, a yaw angle is set between the outer inclined surface a and the outer inclined surface b, and a pitch angle is set between the plane a and the plane b and the vertical plane.

[0007] Preferably, the yaw angle between the outer inclined surface a and the plane a ranges from 0° to 6°, and the yaw angle between the outer inclined surface b and the plane b ranges from -6° to 0°.

[0008] Preferably, the depression angle of plane a is in the range of 0-4°, and the elevation angle of plane b is in the range of 0-4°.

[0009] Preferably, the lens mounting structure includes a mounting plate, which is connected to the outer shell through a fixing structure, and the mounting plate is provided with inner bevel a, inner bevel b, inner bevel c and inner bevel d in sequence from top to bottom, and the inner bevel a, inner bevel b, inner bevel c and inner bevel d are parallel to the outer bevel a, outer bevel b, outer bevel c and outer bevel d in one-to-one correspondence.

[0010] Preferably, a protective frame is arranged around the circular hole, and a lens is arranged inside the protective frame.

[0011] Compared with the prior art, the beneficial effect of the utility model is as follows: in the utility model, the lenses are mounted on the inner bevel a, the inner bevel b, the inner bevel c and the inner bevel d to form two groups of binocular stereo cameras, and the baselines of the two groups of binocular cameras are designed with a certain angle to ensure that they are affected by the reflection of external light sources, wherein the yaw (left and right) direction is 12 degrees, and the pitch direction is 8 degrees. Such a design enables at least one group of stereo cameras to avoid the interference of sunlight reflection in outdoor environments, ensuring that the multi-camera stereo vision system can capture clear images at any time, thereby improving the stability and reliability of applications in outdoor scenes. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more specifically and intuitively illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0014] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0015] Figure 3 The structure of the utility model is shown in FIG. Figure 3 ;

[0016] Figure 4 The structure of the utility model is shown in FIG. Figure 4 ;

[0017] Figure 5 This is a schematic diagram of the lens installation structure proposed by the utility model;

[0018] Figure 6 This is a schematic diagram of the internal structure proposed by the utility model.

[0019] In the figure: outer shell 1, cover body 2, plane a3, plane b4, plane c5, plane d6, outer bevel a7, outer bevel b8, outer bevel c9, outer bevel d10, circular hole 11, protection frame 12, lens mounting structure 13, mounting plate 131, fixing structure 132, inner bevel a133, inner bevel b134, inner bevel c135, inner bevel d136. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-6 A four-eye camera housing comprises a housing 1 and a cover 2, a lens mounting structure 13 is mounted on the inner wall of the housing 1, a plane a3, a plane b4, a plane c5 and a plane d6 are arranged in sequence on the front side of the housing 1 from top to bottom, the plane a3 and the plane c5 are parallel and coplanar, the plane b4 and the plane d6 are parallel and coplanar, the plane a3, the plane b4, the plane c5 and the plane d6 are arranged one by one with an outer bevel a7, an outer bevel b8, an outer bevel c9 and an outer bevel d10, and the outer bevel a7, the outer bevel b8, the outer bevel c9 and the outer bevel d10 are all provided with a circular hole 11;

[0022] The outer bevel a7 and the outer bevel c9 are parallel and coplanar, the outer bevel b8 and the outer bevel d10 are parallel and coplanar, a yaw angle is set between the outer bevel a7 and the outer bevel b8, and a pitch angle is set between the plane a3 and the plane b4 and the vertical plane.

[0023] The lenses are mounted on inner bevels a133, b134, c135 and d136 to form two groups of binocular stereo cameras. The baselines of the two groups of binocular cameras are designed with a certain angle to ensure that they are not affected by the reflection of external light sources. The yaw angle is 6 degrees to the left and right, with an angle of 12 degrees, and the pitch angle is 4 degrees up and down, with an angle of 8 degrees. This design enables at least one group of stereo cameras to avoid interference from sunlight reflection in outdoor environments, ensuring that the multi-camera stereo vision system can capture clear images at any time, thereby improving the stability and reliability of applications in outdoor scenes.

[0024] In this embodiment, the yaw angle range between the outer slope a7 and the plane a3 is 0-6°, the yaw angle range between the outer slope b8 and the plane b4 is -6°-0, the depression angle range of the plane a3 is 0-4°, and the elevation angle of the plane b4 is 0-4°, ensuring that at least one group of stereo cameras can avoid interference from sunlight reflection.

[0025] In this embodiment, the lens mounting structure 13 includes a mounting plate 131, which is connected to the outer shell 1 through a fixing structure 132. The mounting plate 131 is provided with an inner bevel a133, an inner bevel b134, an inner bevel c135 and an inner bevel d136 from top to bottom, and the inner bevel a133, the inner bevel b134, the inner bevel c135 and the inner bevel d136 are parallel to the outer bevel a7, the outer bevel b8, the outer bevel c9 and the outer bevel d10 in a one-to-one correspondence.

[0026] In this embodiment, a protective frame 12 is provided around the circular hole 11, and a lens is provided inside the protective frame 12 to protect the internal structure and prevent dust and water.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A four-eye camera housing, comprising a housing (1) and a cover (2), characterized in that: The inner wall of the housing (1) is provided with a lens mounting structure (13); the front side of the housing (1) is provided with a plane a (3), a plane b (4), a plane c (5) and a plane d (6) in order from top to bottom; the plane a (3) and the plane c (5) are parallel and coplanar; the plane b (4) and the plane d (6) are parallel and coplanar; the plane a (3), the plane b (4), the plane c (5) and the plane d (6) are provided with outer bevels a (7), outer bevels b (8), outer bevels c (9) and outer bevels d (10) in correspondence with each other; and the outer bevels a (7), the outer bevels b (8), the outer bevels c (9) and the outer bevels d (10) are all provided with circular holes (11); The outer inclined surface a (7) and the outer inclined surface c (9) are parallel and coplanar, the outer inclined surface b (8) and the outer inclined surface d (10) are parallel and coplanar, a yaw angle is set between the outer inclined surface a (7) and the outer inclined surface b (8), and a pitch angle is set between the plane a (3) and the plane b (4) and the vertical plane.

2. A four-eye camera housing according to claim 1, characterized in that: The yaw angle between the outer inclined surface a (7) and the plane a (3) ranges from 0° to 6°, and the yaw angle between the outer inclined surface b (8) and the plane b (4) ranges from -6° to 0°.

3. A four-eye camera housing according to claim 2, characterized in that: The depression angle of the plane a (3) is in the range of 0-4°, and the elevation angle of the plane b4 is in the range of 0-4°.

4. A four-eye camera housing according to claim 3, characterized in that: The lens mounting structure (13) comprises a mounting plate (131), the mounting plate (131) being connected to the housing (1) via a fixing structure (132), the mounting plate (131) being provided with an inner bevel a (133), an inner bevel b (134), an inner bevel c (135) and an inner bevel d (136) in sequence from top to bottom, and the inner bevel a (133), the inner bevel b (134), the inner bevel c (135) and the inner bevel d (136) are parallel to and correspond to the outer bevel a (7), the outer bevel b (8), the outer bevel c (9) and the outer bevel d (10) in a one-to-one manner.

5. A four-eye camera housing according to claim 4, characterized in that: A protective frame (12) is arranged circumferentially around the circular hole (11), and a lens is arranged inside the protective frame (12).