Dynamic Battery Charge Profile Control
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Solution Overview
Problem
Existing battery charging methods do not consider the state of the battery or the user's pattern of use, leading to inefficient charging, prolonged charging times, and unnecessary power consumption.
Innovation Solution
An electronic apparatus that generates charge and discharge curves to determine an optimal charge profile, allowing for constant voltage or current charging based on battery state information, and includes modes like high-speed, lifespan-extension, and power-save charging to adapt to different usage patterns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If fixed voltage or current charging is used, then charging simplicity is maintained, but charging time increases and battery lifespan is shortened
Solution Approach 1:
The charging method transitions from fixed static parameters to dynamic parameters that change based on battery state. The processor continuously monitors battery voltage, current, and temperature, adjusting charging parameters in real-time through multiple stages (constant current, constant voltage, and floating charge stages) to optimize both charging speed and battery protection
Solution Approach 2:
The charging system changes electrical parameters (voltage and current) based on battery state of charge and environmental conditions. The method implements variable charging rates that adapt to battery acceptance capacity, transitioning between different charge profiles to reduce charging time while preventing overcharging and thermal damage
2Device complexity
If fixed voltage or current charging is used, then charging control is simple, but battery lifespan is shortened
Solution Approach 1:
The charging system incorporates continuous feedback loops where the processor monitors battery voltage, current, and temperature throughout charging. Based on this feedback, the system automatically adjusts charging parameters and transitions between charging stages, implementing protection mechanisms that extend battery lifespan while maintaining manageable control complexity through standardized control logic
Solution Approach 2:
The system performs preliminary assessments of battery state before initiating charging and continuously evaluates battery condition during charging. Protection mechanisms are pre-programmed to activate at specific thresholds, preventing damage before it occurs and extending battery life through proactive rather than reactive control
3Reliability
If continuous charging is performed regardless of usage pattern, then battery is always ready, but unnecessary power consumption occurs
Solution Approach 1:
The system performs preliminary charging assessments and predicts user needs based on usage patterns. Instead of continuous charging, the processor evaluates whether charging is necessary by comparing current battery state with predicted requirements, enabling the device to be charged only when needed and avoiding unnecessary power consumption while maintaining battery readiness
Solution Approach 2:
The charging control system dynamically adapts to user behavior patterns by learning and predicting when charging will be needed. The system adjusts charging timing and duration based on historical usage data, transitioning from static continuous charging to dynamic demand-based charging that reduces power consumption while ensuring battery availability when required
Data Source
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AI summary
An electronic apparatus for charging a battery with an optimum charge profile corresponding to a pattern of use and a state of the battery is provided. The electronic apparatus may include a power supply configured to supply power to respective components of the electronic apparatus using power of a battery, and when receiving an input of power from an external adaptor, to charge the battery using the inputted power, and a processor configured to fully charge and discharge the battery to thus generate a charge curve and a discharge curve expressed in time and charge amount, and control the power supply to charge the battery using a charge profile corresponding to the generated charge curve and discharge curve.