Portable Power Station Battery Swap Assembly for Continuous Power
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Solution Overview
Problem
Portable power stations often experience insufficient power storage, leading to anxiety among users engaged in outdoor activities due to the limited capacity, which disrupts the normal use of electrical equipment.
Innovation Solution
A battery quick-change device for portable power stations, featuring detachable batteries connected in parallel, allowing for easy replacement and continuous power supply, with safety features like lock catches, protective covers, and fool-proof mechanisms to prevent damage and ensure accurate assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If multiple batteries are used to increase power storage capacity, then the power supply duration is extended, but the device structure becomes more complex and harder to maintain
Solution Approach 1:
The power station is divided into multiple independent battery compartments, each capable of holding a separate battery. This segmentation allows the system to achieve extended power duration through multiple batteries while maintaining manageable complexity through modular design, where each compartment can be independently accessed and maintained.
Solution Approach 2:
The battery compartment is designed with universal features including a standardized connector interface that works across all compartments, a fool-proofing mechanism that guides correct battery orientation, and a lock catch that secures any battery in place. These multi-functional features simplify the overall structure while supporting multiple batteries.
2Ease of operation
If batteries are made detachable for easy replacement, then the ease of operation is improved, but the reliability of electrical connection may deteriorate
Solution Approach 1:
The lock catch is positioned to automatically engage with the battery upon insertion, performing the locking action before the user needs to ensure secure connection. The fool-proofing mechanism also performs preliminary guidance to ensure correct orientation before the connector engages, preventing connection errors before they occur.
Solution Approach 2:
The connector interface is designed with tolerance and cushioning features that accommodate minor positioning variations during battery insertion. This beforehand cushioning ensures reliable electrical connection even when batteries are quickly replaced, maintaining connection reliability while preserving ease of operation.
3Device complexity
If a compact single-battery design is used, then the device complexity is reduced, but the power storage capacity is limited
Solution Approach 1:
Multiple battery compartments are merged into a single integrated power station housing with unified control electronics and a common output interface. This merging allows the system to achieve increased power storage capacity through multiple batteries while maintaining simplified device complexity through integrated design.
Data Source
AI summary
A battery quick-change device of a portable power station includes a power station housing and several detachable batteries; the power station housing has several battery compartments for accommodating the several detachable batteries; each of the several battery compartments is provided with a compartment opening and a first connector located in a respective battery compartment; each of the several detachable batteries is provided with a second connector capable of being inserted into the first connector; each of the several detachable batteries is assembled into a respective battery compartment through the compartment opening, and the second connector is inserted into the first connector; and the several detachable batteries when assembled into the several battery compartments are electrically connected in parallel.