Watercraft Electrical Box Layout for Sealing and Service Access
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Electrically powered watercraft face challenges in protecting their components from water and foreign matter within limited spaces, while also requiring easy maintenance and servicing.
Innovation Solution
The design includes a separate battery box and an electrical box with a detachable top cover, sheet metal construction, open bottom end for drainage, and elevated legs for easy access and protection, along with a grommet system to secure cables, ensuring components are protected and easily maintained.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If electric components are installed in a compact electrical box within limited space, then space utilization is improved, but protection from water and foreign matter becomes difficult
Solution Approach 1:
The electrical box is divided into a main body and a detachable top cover, allowing the cover to be removed for maintenance access while the main body remains sealed for protection. This segmentation enables both compact installation and effective protection from water and foreign matter.
2Object-affected harmful factors
If electric components are enclosed in a sealed box for protection, then protection from water and foreign matter is improved, but maintenance and servicing become difficult
Solution Approach 1:
The top cover is designed to be detachable rather than fixed, allowing it to be removed when maintenance is needed and secured during operation. This dynamic design provides both protection during use and easy access for servicing.
3Ease of manufacture
If the electrical box is made from simple bent sheet metal members, then manufacturing cost and ease of assembly are improved, but protection reliability may be compromised
Solution Approach 1:
Grommets are pre-installed in the sheet metal side walls before final assembly, ensuring proper cable protection and sealing is built into the structure during manufacturing. This preliminary action maintains protection reliability while using simple, cost-effective sheet metal construction.
Data Source
AI summary
An electric unit for electrically powered watercraft, comprising an electrical box (5) including a side wall and a detachable top cover (21), and a battery box (4) provided separately from the electrical box, wherein an electric component (22-25) is attached to an inner surface of the side wall.