Lighting Bracket Support for Cable Clamping

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Solution Overview

Problem

Existing lighting suspension systems for stores and exhibition sites face challenges in providing a simple, safe, and compliant installation method that meets European standards without damaging insulated electric cables.

Innovation Solution

A two-part support system that securely clamps insulated electric cables using vertically and horizontally aligned slots and fastening mechanisms, ensuring safe suspension and compliance with EN60598-1 standards by gripping the cable without damaging its insulation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a conventional fixing method is used for light fixtures, then the installation is simple, but the cable insulation may be damaged and the fixture may fall

Engineering Contradiction:

Improvesuspension safetyVSAvoidcable damage

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The bracket features a localized cable protection element with a specific geometry (rounded profile with radius R1) positioned at the cable contact point. This local structural modification ensures that the clamping force is distributed over a larger area, preventing insulation damage while maintaining secure cable fixation and preventing fixture falls.

Inventive Principle:

Principle #3Local quality

2Reliability

If the cable is tightly clamped to prevent falling, then suspension reliability improves, but the cable insulation may be damaged

Engineering Contradiction:

Improvecable clamping strengthVSAvoidinsulation damage

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The bracket incorporates a specifically designed cable contact surface with a rounded profile (radius R1) that changes the physical parameters of the clamping interface. This geometric parameter modification allows the same clamping force to be applied while distributing it over a larger area, thereby maintaining cable retention strength without exceeding the insulation's damage threshold.

Inventive Principle:

Principle #35Parameter changes

3Object-affected harmful factors

If a protective structure is added to prevent cable damage, then cable safety improves, but the device complexity increases

Engineering Contradiction:

Improvecable protectionVSAvoidbracket structure

Core Design Contradiction:

Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The cable protection function is merged into the main bracket body through an integrated rounded profile (R1) formed as part of the bracket's cable clamping structure. This design combines the mechanical support function with the cable protection function in a single structural element, avoiding the need for separate protective components and thereby minimizing device complexity while ensuring cable safety.

Inventive Principle:

Principle #5Merging (Combining)

Data Source

PatentEP3859202B1Indoor light fitting bracket support for firmly tightening an insulated electric cable

Publication Date: 2022.04.27 JJA SA

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AI summary

The present invention relates to a support (1) for an indoor lighting fixture bracket to firmly clamp an insulated electrical cable (C).