Ceiling-mounted LED Downlight with Universal Collar for Post-Construction Trim Selection
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Solution Overview
Problem
Existing ceiling recessed LED downlights require pre-selection of style and components early in the construction process, limiting flexibility and accommodating only specific shapes and styles, which can lead to construction delays and inflexibility in changing lighting preferences after the ceiling is finished.
Innovation Solution
A ceiling collar system with a cylindrical sleeve and flange structure that accommodates both round and square trims, allowing for the installation of an empty housing after the ceiling is finished, enabling the later selection of lighting styles and drivers, and accommodating varying ceiling thicknesses through asymmetrically shaped pivotable feet.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional ceiling housing with fixed driver installation is used early in construction, then the housing can be securely installed, but the selection of lighting styles and components is constrained and cannot be changed after ceiling completion
Solution Approach 1:
The system divides the lighting assembly into separate modular components: a ceiling housing that remains installed, and interchangeable light engines that can be swapped later. This segmentation allows the housing to be installed early while the light engine selection is deferred, resolving the contradiction between early installation needs and later flexibility requirements.
Solution Approach 2:
The system transitions from a static, fixed configuration to a dynamic, interchangeable system. The universal mounting interface allows different light engines to be dynamically swapped into the same housing, enabling post-construction changes in lighting style without replacing the entire assembly.
2Adaptability or versatility
If the collar is designed with a fixed shape (round or square), then the installation is simple, but it can only accommodate trims of the same shape, limiting design options
Solution Approach 1:
The collar is designed with a universal circular shape that can accommodate both round and square trims through its adjustable retainer mechanism. This universal design eliminates the need for separate round and square collar variants, allowing one collar design to serve multiple trim shape requirements.
Solution Approach 2:
The retainer mechanism incorporates adjustable elements that can dynamically adapt to different trim geometries. The retainer arm and positioning features can be adjusted to accommodate the corner geometry of square trims or the curved geometry of round trims, providing shape-adaptive functionality within a single static collar structure.
3Adaptability or versatility
If the optics housing has a fixed form factor, then the manufacturing is simplified, but it cannot fit through different shaped mud rings or plates
Solution Approach 1:
The system separates the optics housing design from the ceiling opening geometry by introducing an intermediate collar component. The optics housing maintains a fixed form factor optimized for manufacturing, while the collar adapts to different ceiling opening shapes, eliminating the need to manufacture different housing variants.
Solution Approach 2:
The collar acts as an intermediary component between the fixed-form-factor optics housing and the variable-shaped ceiling openings. It provides the adaptation function, allowing a single optics housing design to work with both round and square mud rings or plates without modification.
4Adaptability or versatility
If the driver is installed early in the ceiling housing, then the electrical connection is established, but it constrains the later selection of compatible light engines
Solution Approach 1:
The system separates the electrical connection function (handled by the universal driver in the housing) from the light engine selection. The standardized electrical interface allows any compatible light engine to connect to the pre-installed driver, enabling early electrical setup without constraining later light engine choices.
Solution Approach 2:
The driver and electrical connections are installed in advance in the ceiling housing, performing the preliminary electrical setup action. This allows the heavy electrical infrastructure to be established early while the lighter, more varied light engine components can be selected and installed later without delaying the overall project.
Data Source
AI summary
A downlight assembly that is selectively tiltable to direct a light source thereof at an angle relative to a housing of the downlight assembly. A threaded rod is rotatably coupled to the housing and extends vertically upwards therefrom. A fastener is threadedly coupled to the threaded rod and inserts into an arcuate slot of a plate pivotably coupled to the housing. The light source is mounted to the plate. Rotation of the threaded rod causes the fastener to move up and down the threaded rod and along the arcuate slot, in turn tilting the plate and the light source relative to the housing.