Removable Waterproof Audio Unit for Marine Vessels
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Solution Overview
Problem
Conventional marine audio systems integrated with the hull of watercraft are prone to vibration and splashing, leading to reduced durability and requiring the entire watercraft to be unusable during servicing, as removing parts creates large holes in the hull.
Innovation Solution
A waterproof electric unit for water jet propulsion boats is designed to be separate from the hull, allowing for tool-free connection and removal from a storage section, enhancing durability and usability during maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the electric unit is integrated with the hull of the watercraft, then the audio system is protected and stable, but the system is subjected to more vibration and splashing, reducing durability
Solution Approach 1:
The electric unit is separated from the hull into an independent removable module. This segmentation allows the audio system to be stored in a protected environment (reducing vibration and splashing exposure) while still being integrated with the watercraft during use through the storage section.
2Reliability
If the electric unit is integrated with the hull, then the system is stable, but the entire watercraft becomes unusable during servicing
Solution Approach 1:
The electric unit is divided into a separate removable module that can be independently accessed and serviced. The storage section is designed to open or remove without affecting the hull structure, allowing maintenance personnel to service the audio system while the watercraft remains operational.
Solution Approach 2:
The electric unit is extracted from the hull as a separate component. This extraction enables the audio system to be removed, serviced, or replaced without compromising the integrity or usability of the watercraft hull and other systems.
3Ease of repair
If the electric unit is removable from the hull, then servicing is easier, but the connection and removal process becomes more complex
Solution Approach 1:
The connection system is segmented into modular components (storage section, electric unit, connection interfaces) that simplify the removal and reattachment process. Each component has standardized connection points that reduce complexity compared to permanent integration.
Data Source
AI summary
A water jet propulsion boat has a water jet propulsion device in a body, and is propelled by the water jet propulsion device. An electric unit having a waterproof structure and being separate from the body can be removably disposed in a storage section without using any tools. The storage section is defined by a recess provided in the body and being open upward.