Lens Prism Module Volume Reduction via Nested Connecting Shaft
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Solution Overview
Problem
Conventional lens prism modules are large in volume, failing to meet miniaturization design requirements due to their overall structure's increased size from the direct rotating connecting structure between the rotating and mounting bases.
Innovation Solution
The lens prism module incorporates a design with a rotating base connected to a fixed base via perpendicular rotating and connecting shafts, utilizing an accommodating groove and positioning holes to hide the connecting shaft, along with a driving assembly featuring magnets and coils for rotation, and Hall sensors for precise angle control, to reduce the overall structure's volume while maintaining functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a rotating connecting structure is directly disposed between the rotating base and the mounting base to realize rotation, then the rotation function is achieved, but the volume of the overall structure increases
Solution Approach 1:
The connecting shaft is nested within the accommodating groove of the mounting base, with positioning holes provided on the top and bottom surfaces of the groove. This nesting arrangement allows the connecting shaft to be rotatably disposed within the groove structure, effectively hiding the rotating connection mechanism within the existing base structure and reducing the overall volume of the lens prism module.
Solution Approach 2:
The connecting shaft is positioned perpendicular to the rotating shaft, creating a three-dimensional arrangement where the rotation axis of the connecting shaft is oriented in a different dimension. This spatial reorientation allows the rotating connection to be integrated more compactly within the mounting base structure, reducing the volume required for the rotating mechanism.
2Volume of moving object
If the connecting shaft is exposed externally to enable rotation, then the rotation function is achieved, but the overall structure volume increases
Solution Approach 1:
The connecting shaft is nested within the accommodating groove, with its rotation function achieved through the groove's internal space. The positioning holes on the top and bottom surfaces of the groove allow the connecting shaft to rotate smoothly while remaining concealed within the mounting base structure, maintaining ease of operation without increasing external volume.
3Volume of moving object
If the accommodating groove and positioning holes are used to hide the connecting shaft, then the volume is reduced, but the manufacturing complexity increases
Solution Approach 1:
The accommodating groove with positioning holes on its top and bottom surfaces provides a structured way to nest the connecting shaft within the mounting base. This groove structure, while adding some manufacturing steps, offers a systematic approach to integrating the rotating connection compactly, balancing the increased manufacturing complexity with the significant volume reduction achieved.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design effectively reduces the volume of the lens prism module, achieving miniaturization while ensuring stable and precise rotation of the mounting base, thus meeting the requirements of compact design without compromising performance.
Implementation Method 1
The driving assembly comprise a first driving component for driving the rotating base to rotate and second driving components for driving the fixed base to rotate. The first driving component comprises a first driving coil and a first driving magnet. The second driving components comprise second driving coils disposed on a fixed base and second driving magnets disposed on the mounting base.
Implementation Method 2
The lens prism module further comprises a first Hall sensor disposed on the fixed base and a second Hall sensor disposed on the fixed base. The first Hall sensor is disposed on one side of the first driving coil. The second Hall sensor is disposed on one side of the second driving coil.
Data Source
AI summary
A lens prism module relates to the field of shooting equipment and includes a fixed base, a rotating base, a mounting base, a prism, and a driving assembly. The rotating base includes rotating shafts rotatably connected with the fixed base and a connecting shaft rotatably connected with the mounting base. An axis of the connecting shaft is perpendicular to an axis of each rotating shaft. An accommodating groove accommodating the connecting shaft is provided on the mounting base. Positioning holes are on a top surface and a bottom surface of the accommodating groove. Two ends of the connecting shaft are separately rotatably disposed on a corresponding positioning hole. On a premise of realizing rotation of the mounting base, a part of the connecting shaft is hidden in the accommodating groove to reduce a volume of an overall structure of the lens prism module, thereby realizing requirements of miniaturization design.