Vehicle Camera Platform With Offset Rotation for Rearward Viewing
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Solution Overview
Problem
Conventional camera platforms for vehicles face difficulties in rotating cameras without contacting platform securing members or room mirrors, and cables often interfere during rotation, limiting the camera's ability to face the rear by 180 degrees.
Innovation Solution
A camera platform design featuring an arm part with a rotation shaft offset from the camera's center axis, incorporating a ball shaft for directional adjustment, and a configuration that allows the arm part to rotate independently of the camera body, preventing contact with securing members and cables.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the camera is rotated centered on the mount base center axis, then the camera can be directed to face the rear side, but the camera body contacts the room mirror or platform securing member
Solution Approach 1:
The patent applies asymmetry by offsetting the rotation shaft from the center axis of the mount base. The rotation shaft is positioned at a specific distance from the center, creating an asymmetric rotation path that prevents the camera body from contacting the room mirror or platform securing member during 180-degree rotation, while still enabling the camera to face the rear side.
Solution Approach 2:
The patent introduces a new rotational dimension by adding an arm part that rotates around an offset rotation shaft, rather than rotating the camera directly on the mount base center axis. This dimensional change in the rotation mechanism creates a different rotation orbit that avoids obstacles.
2Ease of operation
If a cable is extended from above the case main body, then the camera can be attached, but the cable comes into contact with the platform securing member during rotation
Solution Approach 1:
The offset rotation shaft creates an asymmetric rotation path that lifts the cable clearance above the platform securing member during rotation. The cable, extending from above the case main body, follows the offset rotation orbit and maintains sufficient clearance from the platform securing member throughout the 180-degree rotation range.
3Object-affected harmful factors
If a small size video camera is used, then the camera does not contact the obstacle upon rotation, but the camera cannot be directed to face the rear side unless the obstacle is shifted
Solution Approach 1:
The patent uses asymmetry to create sufficient clearance between the camera and the room mirror during rotation. By offsetting the rotation shaft, the rotation orbit is positioned such that even larger cameras can rotate 180 degrees without contacting the obstacle, enabling rearward facing capability without requiring obstacle relocation.
Data Source
AI summary
A camera platform for installing a camera in the inside of an automobile is designed in such a manner that even when a camera is rotated to capture rearward images, the camera does not interfere with a room mirror. Since the shaft of a rotation portion is divided into a rotation shaft and a ball shaft, an arm part of the camera platform is rotated without the necessity of rotating the camera main body in the vicinity of the room mirror, so that it becomes possible to carry out rearward image capturing operations. Moreover, since the rotation shaft of the arm part is designed to be offset from the camera attaching center line by 20 mm, it becomes possible to prevent a cable extending from above the camera from contacting with an arm attachment part of a mount, even when the camera is rotated.