Portable Battery Pack Housing With Watertight Tool-Free Access
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Solution Overview
Problem
Existing portable battery packs are often cumbersome, require tools for opening, and are not watertight, making them unsuitable for applications involving movement or exposure to moisture, such as bicycles or game structures.
Innovation Solution
A portable power device with a hinge-connected housing, a gasket for moisture resistance, tool-free clasps for closure, an attachment strap for secure mounting, and a circuit for switching between internal and external power sources, allowing easy access to the internal compartment without removing the device from its mounting location.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If screws are used to attach the cover, then the battery pack is secure and watertight, but tools are required to open and close the pack
Solution Approach 1:
The battery pack housing is segmented into a main body and a removable cover that can be independently opened and closed. This segmentation allows the cover to be equipped with simple snap-fit or magnetic closures instead of screws, enabling tool-free operation while maintaining the watertight seal through gaskets positioned at the interface between segments.
Solution Approach 2:
A gasket or sealing element acts as an intermediary between the housing segments. This intermediary component provides the watertight seal without requiring mechanical fasteners like screws, allowing the cover to be secured through simple snap-fit features, magnets, or friction fits that enable tool-free opening and closing.
2Ease of operation
If a sliding cover is used, then the battery pack is easy to open, but it is not watertight and poorly suited for movement
Solution Approach 1:
The housing is divided into a stationary base and a movable cover segment. The cover segment can be easily removed or opened without sliding the entire housing, providing both ease of operation and the ability to maintain a watertight seal when closed through integrated gaskets at the segment interface.
Solution Approach 2:
A gasket serves as an intermediary sealing element positioned at the interface between housing segments. This gasket maintains the watertight seal while allowing the cover segment to be easily opened or removed, eliminating the need for sliding mechanisms that compromise sealing.
3Reliability
If the device is securely mounted to an object, then it remains stable during movement, but access to the internal compartment becomes difficult
Solution Approach 1:
The device is segmented into a mounting structure and an accessible cover portion. The cover can be independently opened or removed while the main body remains securely mounted to the object through straps, brackets, or adhesive mounts. This segmentation allows users to access the internal compartment without detaching the entire device from its mounting location.
Data Source
AI summary
A portable power device may comprise a housing configured to contain an internal power supply and an attachment strap releasably connected to the housing for securing the device to an object or with space. The housing may comprise a top portion connected to a bottom portion by at least one hinge, and a gasket may be disposed between the top portion and the bottom portion to inhibit moisture from entering the housing. At least one clasp may be disposed on a side of the housing opposite the at least one hinge, the at least one clasp being configured to maintain the housing in a closed position without the use of tools. An attachment bracket may be provided that is releasably connected to the housing.