Optical Element Driving Mechanism Using Electromagnetic Rotation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The challenge is to design an optical element driving mechanism that allows for the miniaturization of electronic devices without increasing their thickness, especially when using optical elements with long focal lengths.
Innovation Solution
The proposed optical element driving mechanism includes a movable part connected to an optical element, a fixed part, and a driving assembly. The driving assembly, which consists of magnetic elements and coils, enables the movable part to move in a first dimension, specifically through a rotation about a first rotation axis. This design allows for compact integration within electronic devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If an optical element with a long focal length is installed in an electronic device, then the optical performance is improved, but the thickness of the electronic device increases
Solution Approach 1:
The patent transforms the linear movement of the optical element into rotational movement around a rotation axis. The movable part rotates about the first rotation axis (parallel to the first axis) rather than moving linearly along the optical path, achieving focal length adjustment without increasing device thickness
Solution Approach 2:
The patent replaces traditional mechanical driving mechanisms with an electromagnetic driving assembly consisting of magnetic elements and coils. The first coil generates a magnetic field that interacts with the first magnetic element to produce rotational force, eliminating the need for complex mechanical transmission structures and reducing overall device thickness
2Ease of operation
If a traditional linear driving mechanism is used, then the optical element can be moved along the optical axis, but the device structure becomes complex and bulky
Solution Approach 1:
The patent replaces mechanical linear driving structures with an electromagnetic rotational driving system. The driving assembly uses magnetic fields generated by coils to directly rotate the movable part, eliminating mechanical linkages, gears, and transmission components, thereby simplifying the overall structure and reducing device complexity
Solution Approach 2:
The patent changes the movement dimension from linear translation along the optical axis to rotational movement around an axis parallel to the optical axis. This dimensional transformation allows the optical element to be positioned effectively without requiring a bulky linear transmission mechanism
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 solution effectively miniaturizes the optical element driving mechanism, allowing for the integration of optical elements with long focal lengths in electronic devices without increasing their thickness, thereby enhancing device miniaturization prospects.
Implementation Method 1
a first coil, corresponding to the first magnetic element
Implementation Method 2
The first coil is wound around the first coil magnetic conductive element. The winding axis of the first coil is parallel to the second axis.
Implementation Method 3
a first magnetic element magnetic conductive element, having a magnetic conductive material, and corresponding to the first magnetic element; and a first coil magnetic conductive element, having a magnetic conductive material, and corresponding to the first coil
Data Source
AI summary
An optical element driving mechanism is provided, including a movable part, a fixed part, and a driving assembly. The movable part is used for connecting an optical element. The movable part is movable relative to the fixed part. The driving assembly is used for driving the movable part to move relative to the fixed part. The driving assembly is used for driving the movable part to move in a first dimension.