Battery Pack Power Adaptor for Bidirectional USB-C Power Transfer
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Solution Overview
Problem
Existing battery packs are limited in their ability to provide power to a variety of devices and charge efficiently, lacking adaptability and flexibility in power transfer capabilities.
Innovation Solution
A bidirectional power transfer adaptor that leverages the USB 3.1 PD standard, allowing up to 100 W power transfer through Type C and Type A ports, with features like automatic sleep modes, peak current control, and ergonomic customization options for battery packs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If battery packs are designed with specific charging interfaces for power tools, then charging reliability is improved, but adaptability to charge unrelated devices deteriorates
Solution Approach 1:
The adaptor serves as an intermediary device between the battery pack and unrelated devices (such as mobile phones or computers). It includes a battery pack interface for coupling to the battery pack and a USB port for connecting to unrelated devices, enabling the battery pack to charge devices beyond its original power tool ecosystem while maintaining reliable power transfer through standardized interfaces.
2Adaptability or versatility
If adaptors are added to enable battery packs to power unrelated devices, then adaptability is improved, but device complexity deteriorates
Solution Approach 1:
The adaptor is designed with universal functionality to work with various unrelated devices through a standard USB port while maintaining a simple structure. It can power different types of devices (mobile phones, tablets, computers) without requiring different adaptor designs, thereby achieving high adaptability with minimal increase in device complexity.
3Productivity
If bidirectional power transfer capability is implemented, then power utilization efficiency is improved, but control system complexity deteriorates
Solution Approach 1:
The adaptor implements bidirectional power transfer capability allowing it to dynamically switch between charging the battery pack from AC power and discharging the battery pack to power unrelated devices. The system automatically detects the operational mode and adjusts power flow direction accordingly, optimizing power utilization efficiency while managing control complexity through automated detection and switching mechanisms.
Data Source
AI summary
A battery pack power transfer adaptor and a battery pack system that includes a battery pack adaptor. The adaptor enables a battery pack to provide high level power transfers to a variety of devices and to receive high level power transfers from a variety of power sources. The adaptor includes a battery pack interface to enable the adaptor to mechanically and electrically connect to the battery pack. The adaptor is able to transfer power at a variety of levels dependent upon the device to which it is attached.