Camera Module Middle-Frame Opening With Concave Reinforcement
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Solution Overview
Problem
The increasing size of camera modules in electronic devices, such as mobile phones, leads to a larger avoidance opening in the middle frame, reducing the structural strength of the frame and affecting the reliability of the camera module and the device.
Innovation Solution
The implementation of an inner concave portion on the dimming conversion assembly of the camera module, which reduces the size of the opening in the middle frame by forming an avoidance space between the edge of the concave portion and the lens assembly, and a reinforcing portion on the inner edge of the opening to enhance structural strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the camera module plane size is increased, then the light gathering capability and imaging quality are improved, but the avoidance opening area on the middle frame is increased, reducing the structural strength of the middle frame
Solution Approach 1:
The patent utilizes the thickness dimension of the middle frame to resolve the contradiction. By extending the reinforcing portion from the inner edge of the opening into the avoidance space, the support plate gains additional structural reinforcement in the thickness direction, compensating for the reduced planar area due to the larger opening.
Solution Approach 2:
The patent applies local reinforcement at the critical area where the opening is located. The reinforcing portion is specifically positioned at the inner edge of the opening and extends into the avoidance space, providing localized structural support exactly where the middle frame is most vulnerable due to the large opening area.
2Adaptability or versatility
If the avoidance opening area is increased to accommodate larger camera modules, then the camera module mounting is facilitated, but the coverage area of the support plate is reduced, affecting the reliability of the camera module
Solution Approach 1:
The patent extends the reinforcing portion into the thickness dimension of the support plate, allowing the opening to be larger in the planar view while maintaining reliability through vertical reinforcement. This dimensional transition enables both large opening area for camera mounting and sufficient structural support.
Solution Approach 2:
The support plate is segmented into different functional zones: the main support area and the reinforcing portion that extends into the avoidance space. This segmentation allows the support plate to simultaneously provide large opening area for camera module mounting and localized reinforcement for reliability.
3Length of stationary object
If the middle frame thickness is reduced to achieve lightening and thinning of the electronic device, then the overall device thickness is reduced, but the structural strength and load-bearing capacity of the middle frame are reduced
Solution Approach 1:
The patent applies local reinforcement at the opening area where the reinforcing portion is formed. This localized structural enhancement provides increased load-bearing capacity at the critical area without requiring the entire middle frame to be thicker, thus maintaining overall device thinness while providing necessary structural strength.
Solution Approach 2:
The middle frame is segmented into regions with different thickness characteristics. The majority of the middle frame maintains reduced thickness for lightening, while the reinforcing portion at the opening provides localized increased thickness and strength where needed, achieving a balance between overall thinness and local structural strength.
Data Source
AI summary
This application provides an electronic device. An opening is disposed on a support plate of a middle frame, and a camera module is mounted corresponding to the opening. At least a part of the thickness of the dimming conversion assembly of the camera module extends into the opening, the part of the thickness of the dimming conversion assembly does not occupy a mounting space between the middle frame and a rear cover (a display panel), and a thickness of the whole machine can be reduced, thereby facilitating lightening and thinning of the electronic device. The inner concave portion is disposed on at least a part of an area of a circumferential edge of the dimming conversion assembly, and the edge of the inner concave portion contracts in the edge of the lens assembly.