Movable Battery Pack Layout for Boat Weight Redistribution
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Solution Overview
Problem
Existing electric boats face challenges in efficiently redistributing battery weight to optimize performance, stability, and efficiency, as traditional methods like water tanks or heavy bags are slow and add unnecessary weight.
Innovation Solution
A system with movable battery packs and actuators along guideways under the deck, controlled by a controller and user input, allows for dynamic redistribution of battery weight in fore-aft and port-starboard directions, using electrical and signal coupling for efficient power distribution and actuator movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If traditional methods like water tanks or heavy bags are used to redistribute weight, then weight distribution can be achieved, but the system becomes slow and adds unnecessary weight
Solution Approach 1:
The patent makes the battery packs themselves movable by installing them on guideways with actuators, allowing dynamic repositioning of the battery weight along the guideways to optimize weight distribution in real-time without adding separate ballasting systems
Solution Approach 2:
The battery packs serve dual functions: providing electrical power for propulsion and acting as movable ballast for weight distribution. This eliminates the need for separate water tanks or heavy bags, reducing overall system weight while maintaining weight redistribution capability
2Stability of the object's composition
If traditional ballasting systems are added to the boat, then stability can be improved, but the device complexity and overall weight increase
Solution Approach 1:
The battery packs are designed to serve dual purposes: electrical power storage for propulsion and movable ballast for stability control. The same actuators and guideways that enable battery repositioning for weight optimization also provide the ballasting function, eliminating the need for separate ballasting equipment
Solution Approach 2:
The battery system is self-sufficient, using its own weight and the existing propulsion system actuators to perform both propulsion support and stability functions. The controller manages both electrical power distribution and mechanical repositioning of batteries, creating a self-contained system that reduces overall complexity
Data Source
AI summary
A system for a boat includes a first guideway installed under a main deck of the boat, a first battery pack coupled to the first guideway under the main deck, and a first actuator configured to move the first battery pack along the first guideway. A controller is electrically and/or signally coupled with the first actuator. A user input device is electrically and/or signally coupled with the controller. The controller is configured to control the first actuator to move the first battery pack along the first guideway in response to an input to the user input device so as to relocate the weight of the first battery pack under the main deck.