Rotating LED Module for Selectable Safety Lighting Optics
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Solution Overview
Problem
Existing safety lighting solutions face challenges such as direct access to light-emitting diodes during optics replacement, mechanical stress, improper alignment leading to impaired light emission, and the need for numerous individual components, resulting in complex handling, storage, and ecological issues.
Innovation Solution
A lighting arrangement with pre-mounted optics that can be selected by moving a movable assembly using an actuating mechanism, eliminating the need for separate component attachment and ensuring precise alignment of light-emitting diodes with optical elements, thus simplifying handling and reducing component storage requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If optics are attached using reversible fastening devices, then adaptability is improved, but reliability deteriorates due to direct access to LEDs causing damage or injury
Solution Approach 1:
The LED module is nested within a recess of the luminaire body, creating a protective structure where the LED is housed inside a cavity. The optic element is positioned over the LED in a manner similar to nesting, where the optic protects the LED while maintaining optical functionality. This nested arrangement prevents direct access to the LED during optic replacement, eliminating the safety hazard while preserving adaptability.
Solution Approach 2:
The recess structure acts as an intermediary element between the optic and the LED. During optic replacement, the recess provides a physical barrier that prevents direct contact with the LED, thus mediating the interaction between the optic replacement process and the LED. This intermediary structure allows optic adaptability while ensuring LED protection and operator safety.
2Adaptability or versatility
If optics are replaced using reversible fastening devices, then adaptability is improved, but manufacturing precision deteriorates due to improper alignment
Solution Approach 1:
The recess is designed with specific local geometric features that correspond to the optic element's shape and positioning requirements. The recess provides localized guidance surfaces and positioning features that ensure the optic aligns precisely with the LED when installed. This local quality approach maintains manufacturing precision by building alignment features directly into the recess structure, while the overall modular design preserves adaptability.
3Adaptability or versatility
If multiple individual components are used to adapt lighting, then versatility is improved, but device complexity increases leading to storage and handling issues
Solution Approach 1:
The luminaire body with its recess structure serves as a universal platform that can accommodate multiple different optic elements. Instead of requiring separate mounting mechanisms or additional components for each optic type, the single recess design provides a universal interface. This multi-functionality approach maintains versatility by supporting various optic configurations while reducing device complexity by eliminating the need for multiple individual mounting components.
Data Source
Figure 1~2b
Figure 3~4
Figure 5a~6
AI summary
The present invention relates to a lighting arrangement (10), in particular a safety lighting arrangement, comprising at least one lens arrangement (20) on which at least two different optical elements (21, 22, 23) are arranged, at least one light-emitting diode arrangement (30) arranged below the lens arrangement (20) with at least one light-emitting diode (31), wherein at least one of the arrangements (20, 30) can be operated by means of an actuating mechanism (40;50) is movable between a detent position and a rotation position, wherein the at least one movable arrangement (30) is non-rotatably engaged with the other arrangement (20) in the detent position and is rotatably arranged about a rotation axis (16) in the rotation position, and wherein by rotating the at least one arrangement (30) at least one light-emitting diode (31) of the light-emitting diode arrangement (30) can be arranged under one of the optical elements (21, 22, 23) of the lens arrangement (20) such that light can be guided through the optical element (21, 22, 23) arranged above the light-emitting diode (31).