Bluetooth Earbud Charging Box for Balanced Battery Allocation
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Solution Overview
Problem
The existing charging systems for Bluetooth earphones, such as TWS earphones, often fail to distribute energy evenly between left and right earphones, resulting in uneven standby times after charging, which affects the overall energy efficiency of the system.
Innovation Solution
A charging method and system that detects the number of earphones, calculates capacity differences, and adjusts charging based on the chargeable capacity of the charging box to ensure even energy distribution, using a processor and memory in both the charging box and earphones to implement a customized charging plan.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If the charging box charges both earphones simultaneously with fixed capacity allocation, then the charging process is simple, but the energy distribution is uneven and overall energy efficiency deteriorates
Solution Approach 1:
The charging box dynamically adjusts charging parameters based on real-time capacity detection. The controller determines individual charging capacities for left and right earphones based on their actual battery states, enabling adaptive energy distribution that improves efficiency while managing complexity through intelligent control algorithms
Solution Approach 2:
The system changes charging parameters (charging capacity allocation) based on detected battery states. By detecting current capacity information and adjusting charging capacities accordingly, the system optimizes energy distribution to match actual earphone needs, reducing energy loss without requiring overly complex hardware modifications
2Duration of action of moving object
If the charging box uses uniform charging capacity for both earphones, then the charging control is simple, but the standby time balance between earphones deteriorates
Solution Approach 1:
The charging box applies different charging capacities to left and right earphones based on their individual battery states. The controller allocates charging resources locally to each earphone according to its specific needs, ensuring balanced standby times while managing complexity through targeted rather than uniform control
Solution Approach 2:
The system performs preliminary capacity detection and charging planning before actual charging begins. By detecting current capacity information in advance and pre-calculating optimal charging capacities, the system ensures balanced standby times without requiring complex real-time adjustments during charging
Data Source
AI summary
A charging method and system, a charging box and Bluetooth earphones are disclosed. The charging method is applied to the charging box. The charging method comprises: when it is detected that Bluetooth earphones are placed in the charging box, acquiring current capacity information of the Bluetooth earphones; determining a number of Bluetooth earphones according to the current capacity information; if the number of Bluetooth earphones is two, calculating a capacity difference and a total charging capacity required according to a first current capacity and a second current capacity in the current capacity information; and acquiring a chargeable capacity of the charging box, comparing the chargeable capacity with the total charging capacity required and the capacity difference, and charging the Bluetooth earphones according to comparison results.