Electrical Junction Box Partitioning Wire Routing
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Solution Overview
Problem
In conventional electrical junction boxes, electric wires extending from upper component blocks can interfere with or entangle with components like relays or fuses on lower blocks, leading to contact issues and coating damage due to vibrations.
Innovation Solution
A partitioning portion is arranged between the upper and lower electrical component blocks, creating a gap to hold the electric wire and prevent contact with the upper face of the lower block, with the lower cover serving as a partitioning element that guides the wire to a gap within the box body.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If electrical component blocks are attached in upper and lower stages to improve space efficiency, then the space efficiency of the electrical junction box is improved, but electric wires may interfere with electrical components on adjacent blocks
Solution Approach 1:
The electrical component blocks are divided into upper and lower stages with a partitioning portion between them, segmenting the internal space to prevent wire interference while maintaining compact overall dimensions
Solution Approach 2:
A partitioning portion is introduced as an intermediary element between the upper and lower electrical component blocks, serving as a mediator that guides wires and prevents them from contacting components on adjacent blocks
2Quantity of substance
If electrical component blocks are stacked in multiple stages, then more electrical components can be accommodated in the box body, but wires extending from upper blocks may repeatedly contact components on lower blocks due to vibrations
Solution Approach 1:
The partitioning portion is pre-configured with a groove structure that preliminarily guides and secures wires in place before the assembly is subjected to vibrations during operation, preventing repeated contact with components
Solution Approach 2:
The partitioning portion acts as an intermediary structure that intercepts and redirects wires, preventing them from reaching and contacting electrical components on lower blocks
3Object-affected harmful factors
If a partitioning portion is added between electrical component blocks to prevent wire interference, then wire interference is prevented, but the device complexity increases
Solution Approach 1:
The partitioning portion is merged with the electrical component blocks, integrating the wire-guiding function into the existing block structure rather than adding a completely separate component
Solution Approach 2:
The partitioning portion serves multiple functions: it physically separates upper and lower blocks, guides wire routing through its groove, and provides structural support, thereby reducing the need for additional separate components
Data Source
AI summary
Provided is an electrical junction box 10 including: a box body 12; an electrical component block attachment portion 36 that is open to an upper side of the box body 12 and extends in an upper-lower direction of the box body 12; and a plurality of electrical component blocks 38a and 38b attached in multiple stages in the upper-lower direction to the electrical component block attachment portion 36. A partitioning portion 44 is arranged between a lower face 42 of the electrical component block 38a arranged on an upper side in the upper-lower direction and an upper face 81 of the electrical component block 38b arranged on the lower side thereof, with gaps 82a and 82b being interposed between the partitioning portion and the faces. An electric wire 50 extending from the lower face 42 of the upper electrical component block 38a is held on the partitioning portion 44.