Wireless Earphone With Detachable Magnetic Battery Case
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Solution Overview
Problem
Existing wireless earphones require the entire device to be charged when the battery is low, causing inconvenience and limiting their use.
Innovation Solution
A wireless earphone design featuring detachable upper and ferromagnetic lower cases, where the lower case contains a rechargeable battery and magnetically couples with the upper case to provide power, allowing for easy battery replacement and extended use without charging the entire device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the entire earphone must be charged when the battery is low, then the device can be ensured to work properly, but the user convenience and endurance capability deteriorate
Solution Approach 1:
The earphone is divided into an upper case containing electronic components and a lower case containing the battery. The lower case can be detached and replaced independently, allowing users to swap batteries without charging the entire device. This segmentation resolves the contradiction by enabling continuous usage (improving ease of operation) while ensuring device functionality through proper battery replacement.
Solution Approach 2:
The battery is designed as a replaceable component that can be discarded when depleted and recovered/replace with a fresh battery. This allows the system to maintain reliability through proper battery management while significantly improving user convenience by eliminating the need to charge the entire earphone unit.
2Reliability
If the entire earphone must be charged when the battery is low, then the device can be ensured to work properly, but the endurance capability deteriorates
Solution Approach 1:
By segmenting the earphone into replaceable upper and lower cases with the battery isolated in the lower case, the system enables continuous operation by allowing users to quickly replace depleted batteries. This significantly extends the endurance capability compared to charging the entire device, while maintaining reliability through proper battery replacement procedures.
3Duration of action of moving object
If the lower case is detachable and replaceable, then the endurance capability is improved, but the device complexity increases
Solution Approach 1:
The earphone is segmented into upper and lower cases connected by a magnetic connection mechanism. This segmentation enables battery replacement to improve endurance capability. The magnetic connection provides a simple yet effective coupling mechanism that, while adding some structural elements, maintains overall simplicity and does not significantly increase device complexity.
4Ease of operation
If the upper case and lower case are detachably connected, then the ease of operation is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The mechanical connection between upper and lower cases is replaced with a magnetic connection system. This substitution significantly improves ease of operation by allowing simple attachment and detachment without complex alignment procedures. The magnetic force provides automatic alignment and secure connection, thereby reducing the manufacturing precision requirements compared to traditional mechanical connectors.
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
Enables continuous use of the wireless earphone by allowing battery replacement, enhancing endurance and convenience, while maintaining a simple structure for easy carrying and improved market competitiveness.
Implementation Method 1
The upper case may be provided with a magnet capable of magnetically attracting the ferromagnetic lower case
Implementation Method 2
The first pogo pin can cooperatively couple with the second pogo pin so that the ferromagnetic lower case can magnetically couple with the upper case and provide electricity to the first circuit board
Data Source
AI summary
A wireless earphone includes a pair of wireless earphone bodies, each having an upper case and a ferromagnetic lower case detachably connected with each other. The upper case is provided with a first circuit board and a magnet. The first circuit board is electrically connected with a wireless module and a speaker. The ferromagnetic lower case is provided with a second circuit board and a rechargeable battery. One end of the upper case is provided with a first pogo pin electrically connected with the first circuit board. The ferromagnetic lower case is provided with a second pogo pin opposite to the first pogo pin and electrically connected to the second circuit board. The first pogo pin can couple with the second pogo pin so that the ferromagnetic lower case can magnetically couple with the upper case and provide electricity to the first circuit board.