Track Lighting Adapter With Electronic Phase Selection

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing adapters for electrically connecting lighting apparatuses to electrified tracks are complex, costly, and lack flexibility in electrical connection possibilities due to mechanical selection of AC main phases and neutral wires.

Innovation Solution

An adaptor with an electronic control unit that selects a combination of AC main phases and neutral wires for powering lighting apparatuses, allowing for electronic selection and automatic switching in case of power failures, and can be inserted in two orientations for flexible installation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If mechanical selection of AC main phases and neutral wires is used, then electrical connection is achieved, but device complexity and cost increase

Engineering Contradiction:
Improveadapter structureVSAvoidelectrical connection flexibility
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The patent replaces the mechanical selection mechanism with an electronic control unit that automatically detects the insertion orientation and selects the appropriate phase-neutral combination electronically. This eliminates complex mechanical switches and contactors, reducing device complexity while maintaining electrical connection flexibility through electronic control.

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

Solution Approach 2:

The adapter performs self-configuration by automatically detecting its insertion orientation and selecting the appropriate electrical phases without manual intervention. The control unit autonomously identifies the correct L-N combination based on sensing results, eliminating the need for manual phase selection mechanisms and reducing overall system complexity.

Inventive Principle:
Principle #25Self-service

2Ease of operation

If automatic connection mechanism is used, then electrical connection is achieved, but flexibility in electrical connection possibilities is limited

Engineering Contradiction:
Improveautomatic connectionVSAvoidelectrical connection possibilities
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The adapter dynamically adapts its electrical connection based on the detected insertion orientation. The control unit adjusts the phase-neutral pairing in real-time according to the physical orientation of the adapter in the track, providing both automatic connection convenience and flexible adaptation to different installation scenarios.

Inventive Principle:
Principle #15Dynamics

3Reliability

If fixed orientation insertion is required, then electrical connection stability is improved, but installation flexibility decreases

Engineering Contradiction:
Improveelectrical connection stabilityVSAvoidinstallation flexibility
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system changes its electrical parameters (phase-neutral pairing) based on the physical orientation parameter. By detecting which orientation the adapter is inserted in and automatically selecting the corresponding L-N combination, the system maintains reliable electrical connections regardless of installation orientation, thereby improving both reliability and installation flexibility.

Inventive Principle:
Principle #35Parameter changes

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 electronic control unit enables efficient power supply to LED modules, provides flexibility in installation, and automatically switches to unaffected phases in case of power failures, reducing mechanical complexity and costs.

Implementation Method 1

the control unit is configured to detect an insertion orientation of the adaptor by sensing an AC-voltage present at the different phases L1, L2, L3 and N

Methodology Applied
Scientific EffectAC voltage sensing: Electric Field

Data Source

PatentEP3787375B1Adapter for electrically connecting a lighting device to an electrical track
Publication Date: 2024.10.02 TRIDONIC GMBH & CO KG
  • EP3787375B1 patent drawingFigure 1
  • EP3787375B1 patent drawingFigure 2
  • EP3787375B1 patent drawingFigure 3

AI summary

The invention relates to an adaptor for electrically connecting a lighting apparatus to an electrified track, wherein the electrified track comprises AC main phases L1, L2 and L3 and a neutral wire N, wherein the adaptor has a housing designed to be inserted into a U-shaped profile of the electrified track, wherein the adaptor has contacts for contacting the AC main phases L1, L2 and L3 and the neutral wire N of the electrified track, wherein the adaptor comprises an electronic control unit in the housing, wherein the control unit is configured to select a combination of one of the all connected AC main phases L1, L2, L3 with the neutral wire N for supplying the lighting apparatus.