Magnetic Shelf Lighting Connector for Concealed Power Routing
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Solution Overview
Problem
Existing shelf lighting systems for retail displays face challenges in providing efficient and concealed electrical connections between power sources and lights, particularly in terms of flexibility in mounting heights and aesthetics, as they often require visible wiring and complex mounting mechanisms.
Innovation Solution
A shelf lighting connector assembly featuring magnetically mounted power units with thermoplastic resin components and coil springs that engage with a power strip on the wall, providing concealed power connections through a power cord extending along the shelf ends, ensuring reliable and adjustable electrical connections without visible wiring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional wiring methods are used for shelf lights, then electrical connections can be established, but visible wiring compromises aesthetic appearance
Solution Approach 1:
The power cord and electrical connections are extracted from the visible front area and relocated to the concealed rear area of the shelf. The power cord exits through the rear of the power unit, travels along the rear of the shelf, and connects to the power strip at the back, completely hiding all wiring from front view while maintaining functional electrical connections.
Solution Approach 2:
The power unit serves as an intermediary device that bridges the power strip at the rear and the light fixtures at the front. It provides a concealed mounting location for electrical connections and routes power through its interior, allowing lights to be illuminated from the front while all wiring remains hidden at the rear.
2Reliability
If fixed mounting mechanisms are used for power units, then secure electrical connections are achieved, but flexibility in shelf height adjustment is lost
Solution Approach 1:
The magnetic mounting system replaces traditional mechanical fastening methods (screws, clips, or adhesive). The power unit contains magnets that attract to the metallic rear surface of the shelf, providing secure holding force while allowing easy positioning and removal. This magnetic field-based attachment maintains reliable electrical connections without constraining shelf height adjustments.
3Ease of operation
If power units are mounted on the front of shelves, then easy access is achieved, but visible wiring and unsightly appearance result
Solution Approach 1:
Instead of mounting the power unit at the front of the shelf for easy access (conventional approach), the design inverts this by mounting it at the rear. The power cord enters and exits at the rear, all connections are made at the back, and the unit is concealed behind the shelf front, achieving accessibility through rear mounting while eliminating visible wiring and improving aesthetics.
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 offers flexible and concealed power delivery to shelf lights, allowing for easy adjustment of shelf heights and maintaining a clean aesthetic by using magnetic fasteners and thermoplastic components to ensure secure and reliable electrical connections.
Implementation Method 1
The power units are magnetically mounted on the underside of the shelves at the inner lips
Implementation Method 2
A pair of coil springs bear on the inner shelf lip and bias the contacts toward the power strip
Data Source
AI summary
A shelf lighting connector assembly provides an electrical connection between a power strip on a wall and a light mounted on the underside of a shelf mounted on the wall.