Free Voltage Adapter for Simultaneous Multi-Battery Charging
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Solution Overview
Problem
Existing charging systems for portable electronic devices are inconvenient as they require multiple adapters for different battery types and cannot charge multiple batteries simultaneously, especially in situations where real-time charging is not possible.
Innovation Solution
A free voltage adapter with a charging control circuit board that predicts and supplies the required voltage for each battery, allowing multiple batteries with different charging voltages to be charged simultaneously using a single adapter.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple charging adapters are prepared for different battery types, then each battery type can be charged with appropriate voltage, but device complexity and user inconvenience increase
Solution Approach 1:
The charging adapter is designed with multiple insertion holes that can accommodate different battery types simultaneously. The adapter body integrates multiple charging interfaces, allowing one adapter to charge multiple different battery types without requiring separate adapters for each battery type, thus achieving multi-functionality and universality.
Solution Approach 2:
The adapter divides its charging capability into multiple independent insertion holes, each capable of accepting a different battery type. This segmentation allows the adapter to handle multiple battery types simultaneously through parallel charging channels, resolving the contradiction between versatility and complexity.
2Reliability
If multiple batteries are charged sequentially, then charging voltage requirements are met, but charging time increases
Solution Approach 1:
The adapter provides multiple independent insertion holes that enable parallel charging of multiple batteries simultaneously. Each insertion hole operates independently with its own voltage prediction and control circuitry, allowing multiple batteries to be charged at the same time while maintaining proper voltage matching for each battery type.
Solution Approach 2:
The adapter predicts the required charging voltage for each inserted battery before charging begins. By detecting battery parameters and predicting voltage requirements in advance, the adapter prepares appropriate charging voltages for multiple batteries simultaneously, ensuring reliable voltage matching while reducing total charging time through parallel operation.
3Adaptability or versatility
If a single adapter charges multiple battery types, then versatility improves, but voltage prediction accuracy must increase
Solution Approach 1:
The adapter incorporates voltage prediction circuitry that detects battery parameters through insertion and provides feedback to determine the appropriate charging voltage. The system continuously monitors battery characteristics and adjusts charging voltage accordingly, ensuring accurate voltage prediction for different battery types through real-time feedback mechanisms.
Solution Approach 2:
The adapter performs voltage prediction and parameter detection as a preliminary step before initiating charging. By measuring battery characteristics and predicting required voltage in advance of the charging process, the system ensures accurate voltage matching for each battery type before power is applied, resolving the versatility-precision contradiction.
Data Source
AI summary
The present disclosure relates to a free voltage adapter for charging, in which when the free voltage adapter is connected to a charging object for charging, a voltage required for charging the charging object is first predicted in advance, and after that, a voltage corresponding to the charging voltage of the charging object is supplied, thus with a single adapter, a plurality of different types of charging objects with different charging voltages can be charged simultaneously.