Universal Energy Management System for Multi-Device Charging
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Solution Overview
Problem
Conventional charging systems are limited to charging specific types of energy storage devices and cannot detect the voltage of these devices to determine their operating state, requiring multiple systems for different types of energy storage devices.
Innovation Solution
An energy management system comprising a power supply module, charging module, interface module, and energy management module that detects the voltage of energy storage devices and generates charge control signals to determine their operating state, allowing for charging and discharging of multiple types of energy storage devices using a single system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional charging system is designed for a predetermined type of energy storage device, then it can charge that specific type reliably, but it cannot charge energy storage devices of different types and requires multiple separate systems
Solution Approach 1:
The charging system is designed with a universal charging module that can charge multiple types of energy storage devices (lithium-ion batteries, nickel-metal hydride batteries, lead-acid batteries, capacitors, supercapacitors) through a single unified interface. The system uses a standard charging protocol that automatically adapts to different device types, eliminating the need for multiple dedicated charging systems and reducing overall system complexity while maintaining reliable charging capability for each device type
2Loss of information
If a charging system does not detect voltage to determine operating state, then the system structure is simpler, but it cannot determine the operating state (charging, standby, or discharging) of the energy storage device
Solution Approach 1:
The system incorporates a detection module that continuously monitors the voltage of the energy storage device and feeds this information back to the control module. Based on the detected voltage level, the control module automatically determines the operating state (charging, standby, or discharging) and adjusts the charging parameters accordingly. This feedback mechanism enables accurate operating state determination while keeping the detection circuitry simple and integrated within the existing charging system
Data Source
AI summary
An energy management system includes a power supply module, a charging module, an interface module and an energy management module. The power supply module provides an input power. The charging module generates, based on the input power, a first charge power and a second charge power in response to a first charge control signal and a second charge control signal. The interface module detects electrical energy stored in an energy storage device to generate a detection result. In response to the detection result, the energy management module determines an operating state of the energy storage device, and generates one of the first and second charge control signals.