Multifunctional Light Fitting with Movable Optical Chamber
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Solution Overview
Problem
Current light fittings fail to meet the specific requirements of challenging workspaces like pharmaceutical and semiconductor facilities, lacking multifunctionality and flexibility in optical distribution and power supply options.
Innovation Solution
A multifunctional light fitting with a modified linear extruded optical chamber design, allowing transition between amber and white light without additional parts, featuring a removable optical heat sink for flexible up-light/down-light functionality, integrated sensors for site-specific control, and compatibility with both mains power and POE, along with quick connection/disconnection and emergency lighting capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional light fittings are used, then the structure is simple and easy to manufacture, but the adaptability to different workspace requirements is insufficient
Solution Approach 1:
The optical chamber is designed as a universal component that can perform multiple functions by repositioning within the housing. A single optical chamber can provide downlighting, uplighting, or both simultaneously, eliminating the need for separate fixtures for different lighting configurations. This multi-functionality directly addresses the adaptability requirement while avoiding the complexity of multiple separate devices.
Solution Approach 2:
The optical chamber is made movable within the housing through a mechanical adjustment mechanism, allowing it to be repositioned between different operational modes (downlighting, uplighting, or dual mode). This dynamic repositioning capability enables the fixture to adapt to varying workspace requirements without requiring multiple fixed installations, thereby improving versatility while maintaining a relatively simple overall structure.
2Adaptability or versatility
If multiple separate light fittings are used to meet different lighting requirements, then the adaptability is improved, but the device complexity and installation complexity increase
Solution Approach 1:
Multiple lighting functions (downlighting, uplighting, and dual mode) are merged into a single integrated fixture. The housing contains all necessary components including the optical chamber, lens, and adjustment mechanism, allowing one fixture to replace what would traditionally require multiple separate fittings. This consolidation reduces the number of components while maintaining full lighting configuration flexibility.
Solution Approach 2:
A single universal fixture design incorporates all lighting modes within one device. The optical chamber can be positioned to provide downlighting through a downward-facing lens, uplighting through an upward-facing diffuse surface, or both simultaneously, making this one fixture capable of replacing multiple specialized fixtures and simplifying the overall system.
3Adaptability or versatility
If the optical chamber is fixed in position, then the manufacturing precision is easier to achieve, but the adaptability to different lighting modes is reduced
Solution Approach 1:
The optical chamber transitions from a fixed position to a movable position within the housing, enabled by a mechanical adjustment mechanism. This mechanism allows the optical chamber to be repositioned to different locations (front, center, rear) to achieve different lighting modes. The dynamic positioning capability provides adaptability for various lighting requirements while the manufacturing precision requirements are managed through standardized mounting features and tolerances.
4Use of energy by moving object
If traditional light fittings are used, then the ease of manufacture is maintained, but the luminous efficacy and thermal efficiency are insufficient
Solution Approach 1:
The housing incorporates specialized optical surfaces with different properties in different locations: a downward-facing collimated lens for efficient downlighting and an upward-facing diffuse surface for uplighting. The optical chamber contains amber or clear lenses positioned to optimize light distribution. These localized optical quality enhancements improve luminous efficacy by directing light efficiently in the desired directions while maintaining relatively simple manufacturing through modular component assembly.
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 solution provides a flexible, efficient, and adaptable lighting solution that can be easily adjusted for diverse applications, enhancing luminous and thermal efficiency while meeting the unique demands of specialized industries, including semiconductor and cleanroom environments.
Implementation Method 1
Fitted with one or more LED collimated light source(s)
Implementation Method 2
at least one of the faces having a lens area
Implementation Method 3
removeable optical heat sink
Data Source
AI summary
A multifunctional light fitting (100) comprises an elongate main body extrusion (102). It is generally of a rectangular cross-sectional has at least four faces generally at right angles to each other defining an interior space (112). At least one of the faces has a lens area (116). A second elongate extrusion (120) is operable for use as an elongate gear tray. The second elongate extrusion (120) is engageable within the interior space (112) of the main body extrusion (102) to provide an optical chamber. The second elongate extrusion (120) of the optical chamber includes electric lighting elements (130) to support and provide the desired lighting output for the fitting.