Contrasting Face Plate Overlay for Low-Visibility Identification
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Solution Overview
Problem
Existing methods for enhancing visual contrast on electrical face plates, such as using electrical tape, are time-consuming, require maintenance, and can lead to residue issues, increasing the risk of falls in low-visibility conditions.
Innovation Solution
A face plate with integrated visually contrasting zones and an overlay that can be removably coupled to create visual and/or textural contrast, allowing easy identification of electrical devices without the need for frequent maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If electrical tape is used to create visual contrast on face plates, then visual contrast is improved, but maintenance time and reliability deteriorate due to peeling and residue issues
Solution Approach 1:
The patent merges the visual contrast function directly into the face plate by integrating a contrasting overlay or contrasting elements (such as contrasting colored zones or patterns) into the face plate structure itself. This eliminates the need for separate electrical tape applications, ensuring the visual contrast is permanently integrated and cannot peel or leave residue, thereby resolving the reliability issue while maintaining the visual contrast improvement.
Solution Approach 2:
The visual contrast is built into the face plate during manufacturing rather than being applied later as an additive like electrical tape. The contrasting overlay or contrasting elements are pre-integrated into the face plate structure, ensuring that the visual contrast is established before installation and eliminates the need for subsequent maintenance or replacement, thereby resolving the maintenance time and reliability issues.
2Illumination intensity
If electrical tape is manually applied to each face plate, then visual contrast is achieved, but installation time and productivity deteriorate
Solution Approach 1:
The patent combines the visual contrast function with the face plate itself through integration of a contrasting overlay or contrasting elements during manufacturing. This eliminates the manual application step entirely, as the visual contrast is already incorporated into the face plate structure, thereby dramatically improving installation speed and productivity while maintaining the visual contrast benefit.
Solution Approach 2:
The visual contrast features are pre-integrated into the face plate during manufacturing before installation. This preliminary action eliminates the need for manual tape application during installation, allowing for rapid deployment of multiple face plates without the time-consuming process of cutting and applying tape to each one, thereby resolving the productivity issue.
3Difficulty of detecting and measuring
If electrical tape is used for visual contrast, then identification capability is improved, but ease of operation deteriorates due to cleaning and replacement requirements
Solution Approach 1:
The patent merges the visual contrast function directly into the face plate through integration of a contrasting overlay or contrasting elements. This eliminates the separate maintenance operations required for electrical tape (peeling, cleaning residue, reapplication), as the visual contrast is permanently integrated into the face plate structure, thereby improving ease of operation by eliminating maintenance efforts while preserving the identification capability.
Solution Approach 2:
The face plate with integrated visual contrast requires no external maintenance or replacement operations. The visual contrast features are self-contained within the face plate structure, eliminating the need for human intervention to maintain the contrast (unlike electrical tape which requires periodic replacement). This resolves the ease of operation issue by making the system maintenance-free while maintaining the identification capability.
Data Source
AI summary
The present disclosure provides an overlay for a face plate coupled to an electrical device. The overlay includes an overlay body having an opening configured to provide access to the electrical device. The overlay body is configured to be removably coupled to a first portion of the face plate to create a first contrast with a second portion of the face plate. The overlay body can be configured to be removably coupled to an entirety of the face plate where the overlay body can include a first zone and a second zone. The first contrast can be created between a difference in color, lighting, or texture of the first zone and the second zone. The overlay body can be removably coupled to a wall surrounding an outer perimeter of the face plate to create the first contrast with the face plate. The first contrast can be a visual or textural.