Modular Hearing Aid Battery Compartment for Easy Replacement
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Solution Overview
Problem
The compact nature and tight spatial constraints of hearing devices pose challenges for exchanging rechargeable batteries, limiting design freedom and flexibility in power source selection.
Innovation Solution
A modular hearing device design featuring a hearing device module with a battery compartment that can accommodate either rechargeable or disposable batteries, allowing for interchangeable battery modules, including a first part that engages with the module for securing in the compartment and a second part that can pivotably connect, enabling easy battery replacement and power management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a compact hearing device design is used, then the device size is reduced, but battery replacement becomes difficult and design flexibility is limited
Solution Approach 1:
The battery module is divided into multiple separable parts including a battery holder and a battery cover that can be opened independently. This segmentation allows the battery to be replaced without removing the entire battery module from the compact hearing device, maintaining small device size while enabling easy battery replacement.
Solution Approach 2:
The battery module is designed with a universal interface that can accommodate different battery types (rechargeable or disposable) while maintaining the same compact form factor. The standardized battery compartment design allows flexibility in power source selection without changing the overall device dimensions.
2Adaptability or versatility
If a modular battery module design is implemented, then battery replacement flexibility is improved, but device complexity increases
Solution Approach 1:
The battery holder, battery cover, and battery compartment are merged into an integrated battery module assembly that functions as a single unit during installation. This merging reduces the number of separate components that need to be handled during assembly, simplifying the manufacturing process while maintaining modular replaceability.
Solution Approach 2:
The battery is nested within the battery holder, which is in turn nested within the battery compartment of the hearing device. This nested structure allows the battery module to be installed as one compact unit, reducing assembly complexity while maintaining the modular design benefits.
3Volume of moving object
If tight spatial constraints are maintained, then device compactness is preserved, but battery module engagement becomes difficult
Solution Approach 1:
The battery cover function is extracted from the main housing structure and made independently operable. Users can open the battery cover to access and replace the battery without manipulating the entire hearing device, making engagement and replacement easier while preserving compactness.
Solution Approach 2:
The battery cover is designed with dynamic opening and closing capability, allowing it to move independently from the housing. This dynamic element provides ease of battery access without requiring the user to disassemble the entire compact device structure.
Data Source
Figure 1
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Figure 3A~3B
AI summary
A hearing device is disclosed. The hearing device comprises a hearing device module and a battery module. The hearing device module comprises a housing forming at least a part of an outer surface of the hearing device. The hearing device comprises a frame. The hearing device comprises a battery compartment. The battery module is arranged in the battery compartment, the battery module comprising a plurality of parts including a first part configured to engage with the hearing device module for securing the battery module in the battery compartment.