Adaptive Charging Control for Multi-Spec Power Storage Packs
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Solution Overview
Problem
Existing power storage systems face challenges in versatility, power consumption, and reliability, particularly in charging multiple power storage devices with different specifications using a single power feeding device.
Innovation Solution
The implementation of a power storage system that includes a power storage device and a power feeding device, where the power storage device is equipped with identification data allowing for optimized charging conditions, enabling a single power feeding device to charge multiple power storage devices with varying specifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a power feeding device is designed to match specific power storage device specifications, then charging efficiency is improved, but versatility deteriorates
Solution Approach 1:
The power feeding device dynamically adjusts charging parameters (voltage, current, frequency) based on real-time detection of power storage device characteristics. The control circuit modifies operating conditions during charging to optimize efficiency for each specific device while maintaining compatibility with multiple device types.
Solution Approach 2:
The invention changes electrical parameters (charging voltage, current, frequency) according to the detected specifications of different power storage devices. By varying these parameters, the system achieves high charging efficiency for each device type while maintaining universal compatibility through a single power feeding device.
2Productivity
If multiple power feeding devices are used for different power storage specifications, then charging efficiency is improved, but device complexity increases
Solution Approach 1:
The power feeding device is designed with multi-functional capability to charge various types of power storage devices (lithium-ion, lithium-polymer, nickel-metal hydride, etc.) using a single unit. The control circuit automatically detects device type and adjusts parameters accordingly, eliminating the need for multiple specialized chargers.
Solution Approach 2:
The power feeding device automatically detects the specifications of the connected power storage device and self-adjusts charging parameters without user intervention. This self-service capability simplifies the system by removing the need for manual configuration or multiple devices while maintaining optimal charging efficiency.
3Device complexity
If fixed charging conditions are used, then device complexity is reduced, but power consumption increases
Solution Approach 1:
The charging system dynamically adjusts power delivery parameters based on real-time device state detection. By continuously monitoring and adapting charging voltage and current to match the specific power storage device characteristics, the system reduces energy waste while maintaining simple overall device architecture.
Data Source
AI summary
The versatility of a power feeding device is improved. A power storage system includes a power storage device and a power feeding device. The power storage device includes data for identifying the power storage device. The power storage device includes a power storage unit, a switch that controls whether power from the power feeding device is supplied to the power storage unit, and a control circuit having a function of controlling a conduction state of the switch in accordance with a control signal input from the power feeding device. The power feeding device includes a signal generation circuit having a function of identifying the power storage device by the data input from the power storage device, generating the control signal corresponding to the identified power storage device, and outputting the generated control signal to the power storage device.