Twisted Reflective Marker for Hidden Building Features
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Solution Overview
Problem
Thermal insulation in buildings often hides structural and utility features, making it difficult for workers to locate these elements during repairs or alterations.
Innovation Solution
A twisted reflective marker with a deformable and reflective surface is used to mark the location of hidden building features, allowing workers to identify them even in dark spaces by reflecting light from any direction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If insulation is installed to provide thermal insulation, then thermal insulation performance is improved, but visibility of building features deteriorates
Solution Approach 1:
The marker is segmented into distinct functional parts: an anchor portion for attachment to building features, a reflective portion for visibility, and a connector portion to bridge the insulation layer. This segmentation allows the marker to serve multiple functions while maintaining the integrity of the insulation system.
Solution Approach 2:
The marker acts as an intermediary element that connects the hidden building feature (through the insulation) to the worker's view (above the insulation). The reflective portion specifically serves as a mediator to transfer light from the worker's flashlight back to the worker's eyes, making the hidden feature visible.
2Ease of manufacture
If a flat reflective marker is used, then manufacturing simplicity is improved, but visibility from all angles deteriorates
Solution Approach 1:
The reflective portion is twisted into a helical or spiral shape, creating a curved three-dimensional structure from a originally flat material. This curvature ensures that light incident from any angle around the marker will be reflected back toward the source, making the marker visible from all directions rather than only from a limited viewing angle.
Solution Approach 2:
The marker transitions from a two-dimensional flat reflective surface to a three-dimensional twisted structure. This dimensional change adds rotational capability to the reflective surface, allowing it to present a reflective face toward the light source regardless of the viewing angle around the marker.
3Difficulty of detecting and measuring
If the marker extends through insulation to accessible space, then detectability of building features is improved, but installation complexity increases
Solution Approach 1:
The marker is divided into an anchor portion for attachment to building features, a connector portion that extends through the insulation, and a reflective portion visible in accessible space. This segmentation allows each part to be optimized for its specific function while simplifying the overall installation process.
Solution Approach 2:
The marker is designed to be self-supporting once installed, with the anchor portion providing mechanical attachment and the twisted reflective portion automatically providing 360-degree visibility without requiring additional mounting hardware or adjustment mechanisms.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The marker effectively indicates the location of hidden features, enhancing visibility and accessibility during maintenance tasks by ensuring that the reflective surface is visible from every angle, facilitating easier identification and repair.
Implementation Method 1
a twisted reflective surface may mark the location of a building feature... the twisted reflective surface may be seen... light reflected from the marker... identify the location of the marker from light reflected from the marker
Data Source
AI summary
A marker has an anchor portion and a twisted portion, and the twisted portion has one or more reflective sides and is twisted about a length axis of the strip so that part of at least one of the reflective sides faces any view toward the marker. Or, a marker includes an anchor portion and a reflective portion, and the reflective portion contains a material that permits manual, plastic deformation to create a twist in the reflective portion. The marker when twisted may be attached to mark a location of a feature of a building in which insulation hides the feature but leaves the twisted portion of the marker exposed within an access space of the building.