Camera Lens Drive Mechanism With Adjustable AF Damping Gel
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing drive mechanisms for camera devices cannot adjust the amount of vibration damping gel for auto-focusing after the assembly is completed, limiting the ability to optimize vibration damping effects during the auto-focusing process without affecting stabilization motion.
Innovation Solution
The drive mechanism includes a groove on the holder for auto-focusing with a vibration damping gel that can be accessed through a through-hole in the stator, allowing for the addition or removal of damping gel post-assembly, enabling independent adjustment of the vibration damping effect for auto-focusing without interfering with the stabilization mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If vibration damping gel for auto-focusing is applied between the mover and stator of the auto-focusing mechanism, then the unnecessary vibration during auto-focusing is suppressed, but the amount of vibration damping gel cannot be adjusted after assembly is completed
Solution Approach 1:
The holder for auto-focusing is divided into multiple grooves, each groove can independently contain vibration damping gel. This segmentation allows selective adjustment of gel amount in specific grooves without affecting the entire assembly, enabling post-assembly adjustment while maintaining vibration suppression effectiveness.
Solution Approach 2:
The patent introduces a new dimension for adjustment by creating through-holes in the stator that provide access to the grooves from the opposite side. This allows the amount of vibration damping gel to be adjusted in the radial dimension (through the thickness of the stator) without disassembling the entire drive mechanism, thus enabling post-assembly adjustment.
2Stability of the object's composition
If vibration damping gel for auto-focusing is applied inside the auto-focusing mechanism only, then the stabilization motion is not influenced, but the amount of vibration damping gel is determined only during assembly process
Solution Approach 1:
The grooves are pre-formed in the holder for auto-focusing during the assembly process, preparing the structure for subsequent adjustment. This preliminary preparation allows the vibration damping gel to be added or removed from specific grooves after assembly without requiring disassembly of the entire mechanism, thus maintaining stabilization motion independence while enabling post-assembly adjustment.
Solution Approach 2:
The vibration damping gel is extracted from being a permanently fixed component during assembly and transformed into an adjustable element. By providing through-holes in the stator, the gel can be individually added or removed from specific grooves after assembly, separating the adjustment function from the assembly process while maintaining the independence of stabilization motion.
3Volume of moving object
If the mover for auto-focusing and mover for stabilization mechanism are closely arranged, then the device size is reduced, but the vibration damping gel adjustment may interfere with stabilization mechanism
Solution Approach 1:
The vibration damping gel is applied locally in specific grooves of the holder for auto-focusing rather than uniformly throughout the entire mechanism. This localized application ensures that the gel only affects the auto-focusing motion in the specific regions where grooves are present, while leaving the stabilization mechanism's motion path unaffected, thus enabling compact arrangement without interference.
Solution Approach 2:
The holder for auto-focusing is segmented into multiple grooves that are spatially distributed. This segmentation allows the vibration damping gel to be confined to specific local regions, preventing it from interfering with the stabilization mechanism while maintaining compact overall dimensions. Each groove acts as an isolated damping zone.
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 allows for improved vibration damping of the auto-focusing mechanism by enabling the adjustment of the vibration damping gel after assembly, enhancing the focusing performance without affecting the stabilization motion, thus improving the overall damping effect.
Implementation Method 1
a vibration damping gel for auto-focusing can be applied between the mover and the stator of the auto-focusing mechanism
Data Source
AI summary
A drive mechanism, a camera device and a portable electric device are provided. The drive mechanism includes an auto-focusing mechanism and a stabilization mechanism. The auto-focusing mechanism receive and drive the lens along an optical axis of the lens. The auto-focusing mechanism includes a stator and a mover. The mover includes a holder for installing the lens. A groove is formed at a surface of the holder facing the stator. An inner side of the groove is coated with a vibration damping gel. The stator is provided with a claw member extending into the groove to cooperate with the vibration damping gel. The stator is further provided with a through-hole opposite to the groove to expose the groove. After assembling is completed, an amount of the vibration damping gel can be adjusted through the groove, thereby suppressing vibration of the auto-focusing mechanism and improving the vibration damping effect.