Wireless Headphone Hidden Cover for Compact Battery Access
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Solution Overview
Problem
Existing covers for wireless headphones are unsuitable due to size constraints, and existing adhesive or rotating covers complicate battery replacement and affect wearing comfort.
Innovation Solution
A hidden cover mechanism with a base and covering member that slides and pivots to expose the battery, allowing manual replacement while maintaining a small form factor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a snap-on or screw-on cover is used to fix the battery, then the battery is securely confined, but the headphone size increases and becomes difficult to remove
Solution Approach 1:
The patent applies a dynamic cover that can slide between closed and open positions along guide grooves. The cover transitions from a fixed confined state to a movable accessible state, allowing secure battery confinement when closed while enabling easy removal when opened, thus resolving the contradiction between reliability and ease of operation without permanently increasing headphone volume
Solution Approach 2:
The battery compartment is segmented into a movable cover portion and a fixed housing portion. The cover is separated from the main housing and can be independently moved along guide grooves, allowing the battery to be securely confined when closed while maintaining a compact overall structure that doesn't permanently increase headphone size
2Reliability
If an adhesive cover is used to fix the battery, then the cover is securely attached, but the user cannot disassemble and assemble it by themselves
Solution Approach 1:
The patent replaces adhesive attachment with a dynamic sliding mechanism. The cover moves along guide grooves defined by protrusions and recesses, transitioning from a closed secured position to an open accessible position. This mechanical guidance system provides secure attachment during normal use while enabling easy user disassembly and reassembly without adhesive
Solution Approach 2:
The guide grooves with protrusions and recesses act as an intermediary mechanism between the cover and housing. This intermediary structure provides both secure attachment when engaged and easy disassembly when the cover is slid along the grooves, eliminating the need for adhesive while maintaining reliability and user-operable ease of assembly
3Ease of operation
If a rotating cover is used to access the battery, then the battery can be accessed, but the structure becomes complex and volume increases affecting wearing comfort
Solution Approach 1:
The patent uses a linear sliding dynamic mechanism instead of rotation. The cover slides along guide grooves in a straight line between closed and open positions, providing simple battery access without the structural complexity and volume increase associated with rotating mechanisms. The linear motion path maintains a compact footprint that preserves wearing comfort
Data Source
AI summary
A wireless headphone including a housing, an ear part, and a hidden cover is provided. The housing has a receiving space for mounting a battery. The ear part is disposed at a side of the housing. The hidden cover is disposed at the housing and adjacent to the ear part, and the hidden cover has a base and a covering member. The base is connected to the housing, and the ear part is sleeved at a side of the base. The covering member is movably disposed at the base and adjacent to the ear part. In an open mode, the covering member is adapted to slide along the base away from the housing and expose the battery. In a closed mode, the covering member is adapted to slide along the base to be in contact with the ear part and the housing and shield the battery.