Portable Battery Charging Station With Sealed Multi-Voltage Pack Bays
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Solution Overview
Problem
Existing portable charging solutions for power tool battery packs are often cumbersome, lack efficient charging capabilities, and do not provide a convenient and portable means to charge multiple battery packs with varying voltages in a sealed and protected environment.
Innovation Solution
A portable charging station with a housing, handle, and pivoting door that includes a rechargeable battery-powered charging circuit and multiple battery pack interfaces, allowing for the charging of power tool battery packs with different voltages, and featuring a sealed internal cavity to protect against debris and a locking system for secure transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a portable charging station is designed with multiple battery pack interfaces and a sealed internal cavity, then charging capability and protection are improved, but device complexity increases
Solution Approach 1:
The charging station incorporates multiple battery pack interfaces that can accommodate different battery pack types and voltages (18V, 36V, 54V). The single charging circuit is designed to universally charge various battery pack configurations through standardized interfaces, allowing one device to serve multiple charging functions simultaneously.
Solution Approach 2:
The battery packs are designed to be inserted into the housing, with the charging circuit nested within the sealed internal cavity. The door provides external access while the charging components are nested inside, creating a compact hierarchical structure that maximizes space utilization.
2Reliability
If a sealed internal cavity is used to protect against debris, then reliability is improved, but ease of operation deteriorates
Solution Approach 1:
The door is designed to be opened before charging operations begin, allowing users to insert battery packs into the sealed cavity. The sealing is maintained during transport and storage, but the door provides preliminary access capability that resolves the contradiction between sealed protection and operational accessibility.
3Adaptability or versatility
If multiple battery pack interfaces are included for different voltages, then adaptability is improved, but device complexity increases
Solution Approach 1:
The charging circuit is designed with universal compatibility to handle multiple voltage levels (18V, 36V, 54V) through the same basic charging interface. The system can detect and adapt to different battery pack voltages automatically, providing multi-voltage charging capability through a unified charging architecture rather than requiring separate charging circuits for each voltage level.
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 portable charging station efficiently charges multiple power tool battery packs with varying voltages in a sealed and protected environment, providing a convenient and portable solution for on-site charging while ensuring protection against environmental factors.
Implementation Method 1
The charging circuit includes a rechargeable battery
Implementation Method 2
The power tool battery pack interface is electrically connected to the charging circuit
Data Source
AI summary
A portable charging station including a housing, a handle coupled to the housing and extending along a height axis of the portable charging station, a charging circuit disposed in the housing, a power tool battery pack interface electrically connected to the charging circuit, and a door including a hinge connected to the housing. The charging circuit includes a rechargeable battery. The power tool battery pack interface defines an insertion axis. The insertion axis extends along the height axis. The door is pivotable between an open position and a closed position. The door is intersected by the insertion axis in the closed position.