Wearable Battery Double-Molding Structure for Swelling Relief
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Solution Overview
Problem
Existing ring-type wearable electronic devices do not address the swelling phenomenon of batteries, which can lead to safety risks and reduced product reliability over time.
Innovation Solution
A wearable electronic device design featuring a double molding structure with a first molding layer having a predetermined compression rate to accommodate battery swelling, and a second molding layer covering the first layer, ensuring stability and reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If a battery is disposed in a wearable electronic device for long period use, then power supply duration is improved, but battery swelling phenomenon occurs reducing reliability
Solution Approach 1:
The patent applies beforehand cushioning by providing a pre-designed swelling space within the housing structure before battery swelling occurs. This swelling space is formed by the gap between the battery and the inner circumferential surface of the housing, allowing the battery to expand into this predetermined area without causing structural damage or safety issues. The cushioning effect is achieved through the mechanical design that anticipates and accommodates the swelling phenomenon in advance.
2Device complexity
If no swelling accommodation structure is provided, then device complexity is reduced, but safety risks increase due to battery swelling
Solution Approach 1:
The patent applies segmentation by dividing the housing into multiple components: a outer housing, an inner circumferential surface with a specific gap, and a swelling space. This segmentation allows the structure to accommodate battery swelling without requiring complex additional safety mechanisms. The gap between the battery and housing is strategically designed to create a dedicated swelling accommodation zone, simplifying the overall design while ensuring safety.
3Reliability
If battery swelling is accommodated through housing design, then product reliability is improved, but manufacturing precision requirements increase
Solution Approach 1:
The patent applies parameter changes by optimizing the dimensional parameters of the housing, specifically the gap distance between the battery and the inner circumferential surface. By carefully selecting and controlling this gap parameter within a specific range, the design accommodates battery swelling while maintaining manufacturability. This parameter optimization allows the swelling space to be effectively created without requiring excessively tight manufacturing tolerances.
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
The design effectively manages battery swelling, preventing deformation and ensuring the reliability and safety of the wearable device over extended use periods.
Implementation Method 1
a first molding layer disposed to be at least partially in contact with the at least one battery and having a specified compression rate
Data Source
AI summary
According to various embodiments, a wearable electronic device may include: a first housing, a second housing coupled to an inner circumferential surface of the first housing, and at least one battery disposed between the first housing and the second housing, wherein the second housing includes a first molding layer disposed to be at least partially in contact with the at least one battery and having a specified compression rate, and a second molding layer configured to cover the first molding layer and coupled to the first housing.


