Adaptable Baffle Structure for Indirect LED Lighting
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Solution Overview
Problem
Conventional LED lighting systems lack flexibility in achieving adaptable indirect lighting patterns and efficient light distribution, particularly in fixtures with elongated housings, which restricts their ability to provide uniform upward and downward lighting effectively.
Innovation Solution
The design incorporates an elongated housing with contoured open light channels and reflective inserts, featuring LED arrays or strips that emit light into these channels, which are then reflected to provide indirect lighting, along with an H-shaped cross-section housing for electronics and modular control systems, allowing for adjustable lighting patterns and color tuning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional LED lighting systems use simple housing structures, then manufacturing is easier and cost is lower, but lighting pattern adaptability and light distribution efficiency are restricted
Solution Approach 1:
The housing is divided into multiple segments including a body portion, a cover portion, and interchangeable baffle components. This segmentation allows different baffle configurations to be inserted into the same housing structure, providing lighting pattern adaptability without requiring completely different housing designs for each lighting application.
Solution Approach 2:
The baffle structure is nested within the housing cavity, with the baffle being insertable and removable from the housing body. This nested arrangement allows the baffle to be positioned within the existing housing structure, enabling lighting pattern customization while maintaining a compact overall form factor and avoiding excessive structural complexity.
2Illumination intensity
If LED arrays are positioned to provide both upward and downward lighting, then lighting coverage is improved, but light distribution uniformity becomes difficult to achieve
Solution Approach 1:
The baffle structure incorporates different surface characteristics at different locations - reflective surfaces on the upper portion to redirect downward light, and transparent or diffusing portions on the lower section to allow upward light passage. This local differentiation of optical properties enables uniform light distribution across both upward and downward directions without requiring precise positioning of multiple LED arrays.
Solution Approach 2:
The baffle acts as an intermediary optical element between the LED arrays and the surrounding environment. It mediates the light distribution by reflecting, transmitting, and diffusing light in controlled patterns, achieving uniform illumination coverage without requiring complex precision positioning of the LED sources themselves.
3Adaptability or versatility
If fixed baffle structures are used in LED fixtures, then manufacturing is simpler, but lighting pattern flexibility is reduced
Solution Approach 1:
The baffle is designed as a dynamic, interchangeable component rather than a fixed permanent structure. Different baffle configurations can be inserted and removed from the housing based on lighting requirements, providing flexibility in lighting patterns while maintaining relatively simple manufacturing of each individual baffle and housing unit.
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
This configuration enables flexible and efficient indirect lighting with adjustable patterns, including upward and downward illumination, and allows for advanced control systems to manage power and color temperature, enhancing the overall lighting performance and user customization.
Implementation Method 1
the light is reflected off wall surfaces and top surfaces of the lower light channel to emit indirect light out through the open bottom of the lower light channel
Data Source
AI summary
An LED light fixture is disclosed with an elongated housing that forms a open lower light channel and an upper light channel that is juxtaposed to the open lower light channel with electronics cavity or conduit positioned there between. The LED light fixture preferably has an elongated reflective insert that extends through the open lower light channel and creates a reflection channel from which the indirect and reflected light is emitted and a detachable cover structure that includes a diffusion lens and a removable baffle structure that attaches to side walls of the upper light channel.