Binocular Camera Lens Axis Alignment via Pitching Adjuster
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Solution Overview
Problem
Binocular cameras face challenges in ensuring the relative parallelism of the optic axes of their two lenses, which affects the consistency and quality of the fused image, especially in low illuminance environments, due to manufacturing deviations and assembly inaccuracies.
Innovation Solution
A camera lens module with an adjusting mechanism that includes a pitching adjusting assembly and a rotating shaft, allowing for precise adjustment of the optic axis of the second lens relative to the first lens, ensuring parallelism and improving imaging accuracy through the use of an adjusting substrate and elastic members to correct pitch and rotation angles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If two lenses are assembled to the binocular camera using conventional assembly methods, then the assembly process is simple and fast, but the accuracy of the optic axis positions of the two lenses cannot be ensured
Solution Approach 1:
An adjusting substrate is introduced as an intermediary component between the two lenses. This substrate provides a dedicated platform with integrated adjusting mechanisms that enable precise control of the second lens's position and orientation relative to the first lens, thereby ensuring optic axis alignment accuracy without complicating the overall assembly process
Solution Approach 2:
The adjusting substrate incorporates adjustable components that allow the position and orientation of the second lens to be dynamically modified during assembly and maintenance. This dynamic adjustment capability enables precise optic axis alignment while maintaining a relatively simple assembly structure
2Reliability
If the relative parallelism of the optic axes of two lenses is not accurately controlled, then the assembly process is simpler, but the imaging consistency and image fusion effect deteriorate
Solution Approach 1:
The adjusting substrate serves as a mediator that decouples the complexity of lens alignment from the overall assembly process. By providing integrated adjusting mechanisms on this intermediate platform, the system achieves reliable imaging consistency through precise optic axis control without requiring complex assembly procedures
Solution Approach 2:
The lens assembly system is segmented into independent functional modules: the first lens mounted on the mount, the second lens mounted on the adjusting substrate, and the adjusting mechanisms on the substrate. This segmentation allows independent adjustment of the second lens's position and orientation, ensuring imaging consistency while keeping each module relatively simple
Data Source
AI summary
A camera lens module includes a mount, a first lens, a second lens, and an adjusting mechanism. The first lens is fixedly mounted on the mount. The adjusting mechanism includes an adjusting substrate and a pitching adjusting assembly. A first support pillar is disposed on the adjusting substrate. The first support pillar is connected to the mount. The second lens is fixedly disposed on the front surface of the adjusting substrate. The axis of the first support pillar and the optic axis of the first lens are disposed on the same z-axis. The optic axis of the second lens is collinearly disposed with the axis of the first support pillar. The other end of the adjusting substrate is connected to the mount through the pitching adjusting assembly and is configured to adjust the pitch angle of the optic axis of the second lens around an x-axis and a y-axis.