Tool-Free End Cap for Strip Light Alignment

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Solution Overview

Problem

Existing continuous line lighting systems face challenges in simple and cost-effective connection and precise alignment of individual lights, leading to complex assembly and potential gaps due to inaccuracies in positioning and thermal expansion.

Innovation Solution

A detachable end cap with flat base body and coupling structures that allow tool-free connection and alignment of lights, providing both protection and connection functionality, enabling precise positioning and simplified assembly while accommodating thermal expansion.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If conventional strip light luminaires are used with separate end caps, then the lighting function is achieved, but the device complexity increases and assembly becomes more difficult

Engineering Contradiction:
Improvestructure complexityVSAvoidassembly ease
Core Design Contradiction:
Device complexityVSEase of operation

Solution Approach 1:

The patent combines the end cap and the strip light luminaire into a single integrated unit. The end cap is formed as one piece with the luminaire housing, eliminating the need for separate end cap components and their associated fasteners. This merging reduces the total number of parts, simplifies the structure, and makes assembly easier by reducing the number of assembly steps.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The integrated end cap structure serves multiple functions simultaneously: it provides the structural termination of the luminaire, houses the sealing elements for IP65 protection, contains the mounting features for fixation, and provides the electrical connection points. This multi-functionality eliminates the need for separate components and reduces overall device complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Manufacturing precision

If conventional assembly methods with separate components are used, then manufacturing flexibility is maintained, but the manufacturing precision and sealing reliability deteriorate

Engineering Contradiction:
Improvesealing precisionVSAvoidmanufacturing ease
Core Design Contradiction:
Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The end cap and luminaire are manufactured as a single integrated component, ensuring precise alignment and fit between previously separate parts. This eliminates gaps and misalignments that could compromise sealing, thereby achieving IP65 protection class with higher reliability.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The sealing elements and mounting features are pre-integrated into the end cap structure during manufacturing. This preliminary integration ensures that sealing surfaces and mounting interfaces are precisely positioned before final assembly, improving both manufacturing precision and sealing reliability.

Inventive Principle:
Principle #10Preliminary action

3Loss of substance

If multiple separate components are used for the end cap assembly, then adaptability is improved, but the loss of substance increases due to more fasteners and materials

Engineering Contradiction:
Improvematerial wasteVSAvoidmounting adaptability
Core Design Contradiction:
Loss of substanceVSAdaptability or versatility

Solution Approach 1:

The integrated end cap design consolidates multiple separate components into one piece, reducing the total material consumption. Fewer fasteners, seals, and structural elements are needed, thereby reducing material waste and loss of substance during manufacturing and assembly.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The integrated end cap incorporates multiple mounting options and adaptation features within its single structure. It can accommodate different installation scenarios through integrated mounting brackets and adjustment mechanisms, maintaining adaptability while reducing overall material usage.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentEP3966492B1Head cap for a light band lamp
Publication Date: 2024.07.17 ZUMTOBEL LIGHTING GMBH
  • EP3966492B1 patent drawingFigure 1
  • EP3966492B1 patent drawingFigure 2
  • EP3966492B1 patent drawingFigure 3

AI summary

The present invention relates to an end cap (100) for a strip light luminaire, having a planar main body (101) with two opposite planar sides (110, 140), the planar sides (110, 140) having a planar cover side (140) for covering an end face of a strip light luminaire and a coupling side (110) for coupling to an identical end cap (100) of a strip light luminaire that is arranged adjacently on the end-face side, the coupling side (110) having coupling structures (200), which are designed such that they can be releasably connected without the use of tools to the coupling structures (200) of a coupling side (110) of an identical end cap (100).