Pool Lighting Assembly Magnetic Mode Selection

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Solution Overview

Problem

Existing underwater lighting assemblies for pools are not universally compatible with different control equipment and automation systems from various manufacturers, leading to inventory management issues and inefficient installation processes, and adding compatibility switches can compromise the waterproof integrity of the assemblies.

Innovation Solution

Incorporating magnetic-closure (reed) switches or Hall Effect sensors within the housing of the lighting assembly, which do not penetrate the outer surface, allowing for mode selection without affecting the waterproof nature, and using a rotatable or sliding mechanism with an embedded magnet to activate specific switches for emulation of different lighting brands or modes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a mode-selection switch is added to enable compatibility with different control systems, then adaptability is improved, but water resistance is compromised

Engineering Contradiction:
Improvecompatibility with different control systemsVSAvoidwater resistance
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent replaces traditional mechanical switches that penetrate the housing with magnetic field-based detection. Hall effect sensors or magnetic reed switches detect the position of a mode-selection dial through the housing wall using magnetic field interaction, eliminating the need for mechanical components that would compromise water resistance. This allows the lighting assembly to offer multiple operating modes while maintaining intact waterproof sealing.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Adaptability or versatility

If multiple lighting assemblies are carried in inventory to ensure compatibility with all control equipment, then adaptability is improved, but device complexity increases

Engineering Contradiction:
Improvecompatibility with all control equipmentVSAvoidinventory management
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements a universal lighting assembly design that can operate with multiple different control systems through a mode-selection mechanism. By incorporating sensors and a dial that allow switching between different communication protocols or control modes, a single lighting assembly model can replace multiple specialized models, simplifying inventory while maintaining broad compatibility.

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

3Ease of operation

If a mode-selection dial is added to change operating modes, then ease of operation is improved, but device complexity increases

Engineering Contradiction:
Improvemode selectionVSAvoidswitching mechanism
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent replaces complex mechanical switching mechanisms with a magnetic field-based detection system. A rotatable dial with embedded magnets interacts with Hall effect sensors or magnetic reed switches through the housing, allowing mode selection without mechanical penetration. This provides user-friendly operation while keeping the internal mechanism simple and reliable.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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

Enables reliable compatibility with various control systems without compromising the waterproof integrity, simplifying the installation process and reducing the need for multiple trips, as the switches allow easy mode selection without impacting the assembly's water resistance.

Implementation Method 1

Incorporating magnetic-closure (reed) switches or Hall Effect sensors within the housing of the lighting assembly

Methodology Applied
Scientific EffectMagnetic field: Magnetic Field

Implementation Method 2

Incorporating magnetic-closure (reed) switches or Hall Effect sensors within the housing of the lighting assembly

Methodology Applied
Scientific EffectHall Effect: Hall Effect

Data Source

PatentEP3268666B1Lighting assemblies
Publication Date: 2020.04.08 ZODIAC POOL SYSTEMS LLC
  • EP3268666B1 patent drawingFigure 1~2

AI summary

Aspects of lighting assemblies principally for pools and spas are addressed. The assemblies may be configured to operate without penetrating housings thereof, thus not adversely impacting waterproof characteristics of the housings. This result is especially beneficial when the housings are installed underwater within pools or spas.