Battery Holding Device with Sensor-Based Charging Control
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Solution Overview
Problem
Existing battery holding devices for wireless microphones risk accidentally charging non-rechargeable AA battery cells, which can lead to overheating and safety issues.
Innovation Solution
A battery holding device with a selective installation mechanism and charging control module that uses sensors and control units to differentiate between rechargeable and non-rechargeable batteries, preventing electrical connection when non-rechargeable batteries are present to avoid charging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the battery holding mechanism is designed to accommodate both AA battery cells and 18500 battery cells, then the adaptability of the device is improved, but the risk of accidentally charging non-rechargeable batteries increases
Solution Approach 1:
The sensor performs preliminary detection to identify whether AA battery cells are present in the battery holding mechanism before the charging process is initiated. The control unit receives the detection signal and prevents charging activation when non-rechargeable batteries are detected, thereby avoiding the harmful effects of overheating and bursting before they can occur.
2Reliability
If a sensor and control unit are added to prevent erroneous charging, then the safety of the device is improved, but the device complexity increases
Solution Approach 1:
A sensor is introduced as an intermediary component between the battery holding mechanism and the charging system. The sensor detects the presence of AA battery cells and transmits signals to the control unit, which then decides whether to activate charging. This intermediary detection mechanism enhances safety without requiring complex control algorithms or multiple sensors.
3Reliability
If the installation space is designed to selectively permit only rechargeable batteries, then the safety is improved, but the ease of operation deteriorates
Solution Approach 1:
The battery holding mechanism incorporates a sensor that automatically detects the type of battery installed and self-adjusts the charging state accordingly. When AA battery cells are detected, the system automatically prevents charging activation without requiring user intervention or manual configuration. This self-service approach maintains ease of operation while ensuring safety.
Data Source
AI summary
A battery holding device is provided for preventing erroneous charging when being electrically connected to a power source. The battery holding device includes a battery holding mechanism and a charging control module. The battery holding mechanism is adapted to selectively accommodate a rechargeable first battery or two non-rechargeable second batteries. The charging control module is configured to control an electrical connection between the battery holding mechanism and the power source, and includes a sensor and a control unit. The electrical connection is allowed by the control unit to permit the first battery to be charged by the power source only when the first battery is installed in the installation space.