Undercabinet Lighting With Bumper-Guided Flush Installation
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Solution Overview
Problem
Installing lighting devices in structures with varying tolerances during field construction is challenging due to fixed dimensions and the need for additional trim to conceal the housing, which complicates installation and appearance.
Innovation Solution
A lighting device with a housing featuring bumpers and wings for positioning, a light guide panel for diffusing light, and a lens for distributing light, allowing for snap-fit assembly within a slot in an external structure, eliminating the need for visible housing and trim.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the lighting device is installed in the field during structure assembly, then the structure can be constructed with wider tolerances, but the installation becomes more difficult due to tolerance variations
Solution Approach 1:
The housing dimensions are made adjustable or flexible to accommodate varying slot tolerances. The bumpers can be positioned at different locations or have variable thickness to compensate for tolerance variations in the slot, allowing the lighting device to be installed in fields with wider construction tolerances without increasing installation difficulty
Solution Approach 2:
The lighting device incorporates movable or adjustable components (such as adjustable bumpers or flexible mounting mechanisms) that can adapt to different slot positions and dimensions, enabling easy installation in fields where slot locations vary due to wider tolerances
2Ease of operation
If the housing is made visible to accommodate tolerance variations, then installation becomes easier, but the appearance deteriorates due to visible housing and gaps
Solution Approach 1:
The housing is extracted or concealed from view by positioning it entirely within the slot, with only the lens visible on the exterior surface. The bumpers extend to the slot edges to hide the housing, eliminating the need for visible housing or matching trim while maintaining a clean flush appearance
Solution Approach 2:
The bumpers serve as intermediary elements that extend from the housing to the slot edges, concealing the housing and creating a seamless transition between the lighting device and the cabinet surface, thereby hiding installation tolerances without compromising appearance
3Shape
If additional trim or flanges are added to conceal the housing, then the appearance improves, but the device complexity and installation steps increase
Solution Approach 1:
The housing, bumpers, and concealing elements are merged into a single integrated housing structure. The bumpers are built-in features of the housing rather than separate trim pieces, eliminating the need for additional components while maintaining aesthetic appearance and reducing installation complexity
4Manufacturing precision
If the housing dimensions are fixed for precise manufacturing, then manufacturing precision improves, but adaptability to varying field tolerances deteriorates
Solution Approach 1:
The housing incorporates adjustable parameters such as variable bumper positions or thicknesses that can be modified to accommodate different slot dimensions. This allows the housing to maintain precise manufacturing for its core components while adapting to varying field installation tolerances through adjustable features
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
Enables secure installation in structures with varying tolerances, ensuring a flush finish without visible housing and reducing installation complexity by allowing for adjustable positioning and light distribution.
Implementation Method 1
The light guide panel is coupled to the housing and configured to diffuse light emitted by the light source
Data Source
AI summary
A lighting device includes a housing, a light source, a light guide panel, and a lens. The housing includes a base, a first side wall, a second side wall, a first bumper protruding from an outer surface of the first side wall, and a second bumper protruding from an outer surface of the second side wall. The first bumper and second bumper to aid in positioning the housing within a slot formed in an external structure. The light guide panel is configured to diffuse light emitted by the light source. The lens is coupled to the housing and includes a base, a first side wall, a second side wall, a first wing protruding from an inner surface of the first side wall, and a second wing protruding from an inner surface of the second side wall.