Color-Coded Enclosure Housing for Circuit Protection Identification
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Solution Overview
Problem
The existing enclosures for electrical circuit protection devices are often similar in appearance, leading to confusion when selecting or replacing devices, resulting in potential mismatches in ratings, which can cause damage to downstream components or unnecessary interruptions in electrical systems, especially in complex power systems where human error is common.
Innovation Solution
A three-dimensional compatibility housing piece is introduced that can be attached to the enclosure assembly, providing visual feedback and enhanced state indication features to clearly display the electrical ratings and status of the circuit protection device, reducing the likelihood of incorrect replacements and improving identification of compatible devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional enclosures with labels are used, then manufacturing cost is reduced, but identification accuracy deteriorates
Solution Approach 1:
The patent applies color-coding to the enclosure housing to visually indicate the electrical rating of the circuit protection device. Different colors correspond to different ratings (e.g., green for 120V, yellow for 240V, red for 480V), enabling quick and accurate identification without requiring labels or opening the enclosure. This resolves the contradiction by providing high identification accuracy through a simple visual system that adds minimal structural complexity.
2Measurement precision
If enclosures are opened to verify device ratings, then identification accuracy is improved, but service time increases
Solution Approach 1:
The electrical rating information is pre-displayed on the exterior of the enclosure through color-coding, allowing technicians to identify the correct device rating before opening the enclosure or before a failure occurs. This preliminary visual identification eliminates the need to open the enclosure for verification, significantly reducing service time while maintaining 100% accuracy in rating identification.
3Loss of information
If detailed labels are placed on enclosures, then information completeness is improved, but readability deteriorates
Solution Approach 1:
Instead of using text labels that require good lighting and reading conditions, the patent uses color-coding that is visible and distinguishable under various lighting conditions. The color-coded system conveys the essential rating information (120V, 240V, 480V) through universal color associations, maintaining information completeness for the critical rating parameter while dramatically improving readability and visibility in all environmental conditions.
Data Source
AI summary
An enclosure for an electrical circuit protection product such as a surge protection device include a three dimensional compatibility housing piece attachable to an enclosure assembly that visually provides informational feedback and enhanced state indication features for use by persons to more readily understand and locate compatible circuit protection devices and information.