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

VSEngineering 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

Engineering Contradiction:
Improvepower supply durationVSAvoidproduct reliability
Core Design Contradiction:
Duration of action of moving objectVSReliability

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.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

2Device complexity

If no swelling accommodation structure is provided, then device complexity is reduced, but safety risks increase due to battery swelling

Engineering Contradiction:
Improvestructure complexityVSAvoidsafety risks
Core Design Contradiction:
Device complexityVSObject-affected harmful factors

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.

Inventive Principle:
Principle #1Segmentation

3Reliability

If battery swelling is accommodated through housing design, then product reliability is improved, but manufacturing precision requirements increase

Engineering Contradiction:
Improveproduct reliabilityVSAvoidhousing dimensional precision
Core Design Contradiction:
ReliabilityVSManufacturing precision

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.

Inventive Principle:
Principle #35Parameter changes

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

Methodology Applied
Scientific EffectElastic deformation: Elasticity

Data Source

PatentUS20240397639A1Wearable electronic device including battery
Publication Date: 2024.11.28 SAMSUNG ELECTRONICS CO LTD
  • US20240397639A1 patent drawing
  • US20240397639A1 patent drawing
  • US20240397639A1 patent drawing

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.