Smart Battery Module With Harmonic Charging Control
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Solution Overview
Problem
Conventional battery charging methods, such as CCCV schemes, are inefficient and do not allow for sophisticated charging techniques, leading to slower charging rates, faster battery degradation, and limited capacity maintenance in battery-powered devices.
Innovation Solution
A smart battery module with integrated intelligence, including a processing configuration and a switching circuit with at least one switch and inductor, generates a harmonically tuned charge signal for efficient charging, allowing for faster charging rates and enhanced capacity maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional CCCV charging schemes are used, then the charging system is simple and easy to implement, but the charging rate is slow and battery degradation is fast
Solution Approach 1:
The battery module includes a processing configuration that autonomously determines charging parameters and generates control signals for the switching circuit. The battery self-manages the charging process by monitoring its own state and adjusting charging parameters without requiring complex external control systems, thus improving charging rate while maintaining system simplicity
Solution Approach 2:
The system dynamically changes charging parameters including frequency, amplitude, and pulse width of the charge signal based on battery state. The processing configuration adjusts these parameters in real-time to optimize charging efficiency and reduce degradation, enabling faster charging without proportionally increasing system complexity
2Reliability
If conventional CCCV charging schemes are used, then the charging control is simple, but capacity maintenance is limited and battery degradation is fast
Solution Approach 1:
The processing configuration continuously monitors battery parameters such as voltage, current, and temperature, and uses this feedback to adjust charging parameters. This closed-loop control optimizes capacity maintenance and reduces degradation by adapting to real-time battery conditions, achieving improved reliability without requiring excessively complex control systems
Solution Approach 2:
The system employs periodic charging pulses with varying frequencies and durations rather than continuous constant current charging. This periodic action allows the battery to rest between pulses, improving capacity maintenance and reducing degradation while keeping the control mechanism relatively simple through repetitive control patterns
3Productivity
If harmonically tuned charge signals are generated using switching circuits, then charging efficiency is improved and charging rate increases, but the device complexity increases
Solution Approach 1:
The processing configuration and switching circuit are integrated within the battery module as a unified system. By combining the control function and power conversion function in one module, the patent achieves improved charging efficiency through harmonically tuned signals while minimizing the increase in overall device complexity through functional integration
Solution Approach 2:
The switching circuit is designed to perform multiple functions including voltage conversion, current regulation, and harmonic tuning of the charge signal. This multi-functionality allows a single circuit design to achieve improved charging efficiency without requiring separate dedicated circuits for each function, thereby limiting the increase in device complexity
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
The smart battery module enables faster charging, slower battery degradation, and improved temperature operation, facilitating the adaptation of new battery technologies in battery-powered devices.
Implementation Method 1
a switching circuit of the computing device comprising at least one switch and at least one inductor operably coupled with the at least one switch to generate a charge signal for charging the battery
Data Source
AI summary
Aspects of the present disclosure involve a smart battery for mobile devices, or otherwise, that incorporate a more sophisticated charge (and in some instances discharge) techniques that provide an integrated intelligence, which may involve processing capability and/or memory, to facilitate sophisticated and more effective charging techniques as compared to other charging schemes. The benefits of such charging techniques include faster charging rates, slower battery degradation, enhanced capacity, enhanced capacity maintenance, improved temperature operation, and/or others. Moreover, the integrated intelligence may facilitate the adaptation of new battery arrangements for a mobile device where conventionally a mobile device can only operate with the battery to which it was designed, leaving no option for upgrading battery technology. In one implementation, a smart battery module is provided with some form of integrated intelligence in which functional units of a charging circuit are positioned between the mobile device and the battery unit itself.