Temperature-Controlled Power Supply for Battery Charging
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Solution Overview
Problem
Conventional rechargeable battery charging systems fail to adapt to the aging process of batteries, leading to reduced efficiency and lifespan due to temperature fluctuations, which can cause frequent charging interruptions and decreased power efficiency.
Innovation Solution
A temperature-controlled power supply system that includes a power source, a rechargeable battery module, a temperature sensing unit, and a current control unit, which adjusts the charging current based on the battery's temperature to maintain it at a predefined value, thereby preventing overheating and optimizing power efficiency and lifespan.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If constant current charging mode is used for faster charging, then charging efficiency is improved, but battery temperature rises and lifespan is reduced
Solution Approach 1:
The patent implements dynamic charging mode switching between constant current and constant voltage modes based on real-time temperature monitoring. The system transitions from static charging parameters to dynamic adjustment, where the charging current is automatically reduced or suspended when temperature thresholds are exceeded, thereby resolving the contradiction between charging speed and temperature control
Solution Approach 2:
The patent employs a feedback mechanism where temperature sensors continuously monitor battery temperature and feed this information back to the charging control system. This closed-loop control enables the system to adjust charging parameters in real-time based on temperature conditions, preventing overheating while maintaining efficient charging within safe temperature ranges
2Speed
If higher charging current is applied to charge aging batteries, then charging speed is maintained, but temperature rises causing frequent charging interruptions
Solution Approach 1:
The patent dynamically adjusts charging current based on real-time temperature conditions rather than using fixed high current. This allows the system to maintain optimal charging speed when temperature permits while preventing thermal runaway, thereby ensuring continuous and reliable charging operation without frequent interruptions
Solution Approach 2:
The patent implements preventive temperature monitoring and control measures before critical overheating occurs. By detecting temperature trends early and adjusting charging parameters proactively, the system prevents charging interruptions before they occur, ensuring continuous operation and protecting battery safety
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 system effectively maintains a stable temperature during charging, preventing overheating and reducing the frequency of charging interruptions, thus enhancing the rechargeable battery's power efficiency and lifespan.
Implementation Method 1
a temperature sensing unit, coupled to the rechargeable battery module, for sensing a temperature of the rechargeable battery module
Implementation Method 2
a charging unit, coupled between the power source and the rechargeable battery module, for charging the rechargeable battery module with the input power
Data Source
AI summary
A temperature-controlled power supply system is disclosed. The temperature-controlled power supply system comprises a power source, for supplying input power; a rechargeable battery module, for receiving the input power for power storage; a charging unit, coupled between the power source and the rechargeable battery module, for charging the rechargeable battery module with the input power; a temperature sensing unit, coupled to the rechargeable battery module, for sensing a temperature of the rechargeable battery module; and a current control unit, coupled to the temperature sensing unit and the charging unit, for controlling a current for charging the rechargeable battery module according to the temperature of the rechargeable battery module.