Portable Battery Charging Box With Tilt-Aligned Grip and Drainage
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Solution Overview
Problem
Existing battery charging devices for ECMO systems are prone to battery dislodgement during transportation due to their open design, posing a risk of battery loss and potential failure from liquid ingress, especially in adverse weather conditions.
Innovation Solution
A battery charging device with a charging box featuring a grip that aligns with the tilt direction of battery compartments, drainage channels, support guide ribs, elastic shielding members, and a liquid outlet system to prevent battery dislodgement and liquid ingress, ensuring reliable operation during transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the battery charging device uses an open design for quick plug-and-unplug operation, then the ease of operation is improved, but the reliability of battery retention during transportation deteriorates
Solution Approach 1:
The battery compartment design allows dynamic adaptation between two states: an open state during operation for quick battery insertion/removal, and a closed secured state during transportation to prevent battery dislodgement. The compartment includes a cover that can be opened during charging operations and closed during transport, with positioning structures that engage to secure the battery in place.
Solution Approach 2:
The battery charging device is segmented into distinct functional zones: the battery compartment with its cover, the charging circuit board area, and the housing structure. This segmentation allows the compartment to be independently secured during transport while maintaining quick access during operation, resolving the contradiction between ease of operation and reliability during transportation.
2Ease of operation
If the battery compartment is designed to be open for easy access, then the ease of operation is improved, but the device becomes vulnerable to liquid ingress during outdoor transportation
Solution Approach 1:
The battery compartment cover is designed to be dynamically open during charging operations for easy battery access, and closed during transportation to protect against liquid ingress. The cover includes sealing structures that engage with the compartment when closed, creating a protective barrier against environmental hazards while maintaining operational accessibility.
Solution Approach 2:
The compartment cover and positioning structures are pre-configured to automatically secure the battery and seal the compartment before transportation begins. This preliminary securing action prevents liquid ingress during outdoor transport while allowing quick access during charging operations, resolving the contradiction between ease of operation and protection from harmful factors.
3Duration of action of moving object
If multiple batteries are prepared for long-term transportation, then the duration of action is improved, but the device complexity increases
Solution Approach 1:
The battery charging device is designed with a universal charging circuit board that can charge multiple battery types and configurations. The compartment structure accommodates various battery sizes and shapes, allowing the device to handle multiple batteries for long-term transportation without requiring separate charging systems for each battery type, thus extending duration of action without proportionally increasing complexity.
Solution Approach 2:
Multiple battery charging capabilities are merged into a single integrated charging circuit board and housing structure. The device combines multiple battery compartments, a unified control system, and integrated charging circuits, allowing long-term transportation support through multiple batteries while managing complexity through consolidation of charging functions into a single device architecture.
Data Source
AI summary
A battery charging device suitable for portable operation includes a charging box with a grip is provided on one side of the top of the charging box near a first opening, and when the battery charging device is lifted by the grip, the tilt direction of the battery charging device is consistent with the tilt direction of a battery compartment. The battery charging device can thereby reduce the risk of the battery easily falling out of the battery compartment during transportation, which improves the reliability of the battery charging device during transportation.