Battery Charger Control for Long-Term Unattended Maintenance
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Solution Overview
Problem
Existing chargers lack intelligence and fail to provide optimal charging modes based on battery types, leading to inefficient charging and poor maintenance, resulting in battery damage and economic losses.
Innovation Solution
An intelligent charger with modules for battery identification, charging regulation, feedback control, and maintenance, which adjusts charging parameters based on battery type and condition to ensure efficient and safe charging, including a communication module for remote monitoring and control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If simple charging function is used, then device complexity is reduced, but charging efficiency and adaptability deteriorate
Solution Approach 1:
The charger dynamically adjusts charging parameters (voltage, current, frequency) based on battery type identification and charging stage detection. The control module modifies electrical parameters in real-time to optimize charging efficiency for different battery chemistries and states, resolving the contradiction by making the system adaptive rather than static.
Solution Approach 2:
The charger automatically identifies battery type, selects appropriate charging algorithm, and manages charging stages without user intervention. The system self-regulates based on feedback from voltage/current sensors and battery identification circuits, eliminating the need for manual configuration while maintaining high charging efficiency.
2Adaptability or versatility
If universal charging is implemented, then adaptability is improved, but manufacturing precision requirements increase
Solution Approach 1:
The charging process is segmented into distinct stages (constant current, constant voltage, maintenance) with specific parameter ranges for each stage. Different battery types are handled by selecting appropriate stage sequences and parameter sets, allowing universal compatibility while maintaining precise control through standardized charging protocols.
Solution Approach 2:
The charger is designed with multi-functionality to handle various battery types (lithium-ion, lithium-polymer, nickel-cadmium, nickel-metal hydride) through a single device. The control module contains multiple charging algorithms that can be selected based on battery identification, making one charger serve multiple purposes without requiring high precision for all parameters simultaneously.
3Reliability
If basic charging control is used, then device complexity is reduced, but battery maintenance capability deteriorates
Solution Approach 1:
The charger incorporates feedback circuits that continuously monitor charging current, voltage, and battery state. Based on this feedback, the control module adjusts charging parameters to prevent overcharging, overheating, and other conditions that damage batteries. The feedback mechanism enables automatic termination and maintenance mode activation, extending battery life through intelligent control.
Solution Approach 2:
The charger performs preliminary battery identification and health assessment before initiating full charging. Maintenance modes are activated in advance when battery charge reaches optimal levels, and the system prepares for potential issues (overheating, overvoltage) before they occur, preventing damage through proactive control rather than reactive response.
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 intelligent charger enhances charging efficiency, safety, and extends battery life by identifying battery types and adjusting charging parameters, providing effective maintenance and remote monitoring capabilities.
Implementation Method 1
the charging regulation module is configured to receive electrical energy, and a signal fed back from the first feedback module, and to perform a DC-DC regulation process on input electrical energy based on a feedback signal
Implementation Method 2
the first feedback module is connected to the charging regulation module and configured to transmit electrical energy output from the charging regulation module and sample voltage and current of a transmitted electrical energy for outputting the first feedback signal
Implementation Method 3
the second feedback module is connected to the output module and configured to sample electrical energy of the output module in terms of voltage and output a second feedback signal
Data Source
AI summary
An intelligent charger with battery charging and discharging maintenance unattended for long time is disclosed, including, a charging regulation module, configured to regulate charging; a first feedback module and a second feedback module, configured to provide feedback signals; an output module, configured to transmit electrical energy; a battery identification module, configured to identify battery type; an intelligent control module, configured to receive signals and control modules; a feedback regulation module, configured to regulate amplitude of feedback signals; a battery maintenance module, configured to cooperate with a charging control module to automatically control charging capacity; a manual regulation module, configured to cooperate with the charging control module to manual control the charging capacity; and a communication module, configured to establish a wireless communication network with the intelligent control module and can interact with the intelligent control module for data. The battery maintenance module can perform a long-term charging maintenance.