Wireless Switch Control Device for Battery Modules
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Solution Overview
Problem
Conventional electronic products using dry batteries lack a wireless control function, making it impossible to remotely power them on/off, set usage time, or address issues like electrolyte leakage or abnormal current, resulting in inconvenience.
Innovation Solution
A wireless switch control device comprising a flexible printed circuit board, a load switch, and a wireless control circuit that can be clamped over the anode and cathode of a battery module, allowing wireless control of the power supply to an electronic product using Bluetooth Low Energy technology.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional electronic products use dry batteries without wireless control function, then the device structure remains simple and manufacturing cost is low, but the user cannot remotely power on/off the device, set usage time, or monitor battery health, resulting in poor ease of operation and user convenience
Solution Approach 1:
The wireless control device is segmented into three independent functional modules: a flexible printed circuit board for battery contact, a load switch for power control, and a wireless control circuit for signal processing. This modular segmentation allows each component to perform its specific function independently, enabling wireless control capability while maintaining relatively simple overall device structure and facilitating easy assembly and manufacturing.
2Reliability
If dry batteries are placed in conduction mode for long periods without monitoring, then the electronic product can operate continuously, but electrolyte leakage may occur causing safety hazards and device damage
Solution Approach 1:
The wireless control circuit continuously monitors battery parameters including voltage, current, and temperature, and provides real-time feedback on battery health status. When abnormal conditions such as excessive current or temperature are detected, the system automatically triggers an alarm and can disconnect power through the load switch. This feedback mechanism ensures battery safety while keeping the monitoring system relatively simple and integrated into the existing power circuit.
3Adaptability or versatility
If no wireless control function is provided, then the device maintains simple structure and low cost, but the user cannot set usage time in advance or respond to abnormal current conditions, reducing operational flexibility and safety
Solution Approach 1:
The wireless control circuit is designed to perform multiple functions using a single integrated component: it can set and control usage time through wireless commands, monitor battery voltage and current for safety, detect temperature anomalies, and provide remote power on/off control. This multi-functionality approach enables comprehensive adaptability and versatility without requiring separate dedicated circuits for each function, thereby limiting the increase in device complexity.
Data Source
AI summary
A wireless switch control device and method are provided. The wireless switch control device includes a flexible printed circuit (FPC) board, a load switch, and a wireless control circuit. The FPC board has a first electrode region, a second electrode region, and a component placement region, where the first electrode region is in electrical contact with an anode of the battery module, and the second electrode region is in electrical contact with a cathode of the battery module. The load switch is provided in the component placement region, and coupled to a power supply circuit between the battery module and the electronic product. The wireless control circuit is provided in the component placement region, and coupled to both the load switch and the anode of the battery module. The wireless control circuit receives a setting instruction wirelessly, and controls the load switch according to the setting instruction.