Universal Driver Control Interface for Multi-Protocol Lighting
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Solution Overview
Problem
Traditional luminaires require manual configuration to switch between different lighting control protocols, leading to installation risks and potential incorrect wiring when supporting multiple protocols.
Innovation Solution
A universal driver control interface (UDCI) that automatically detects and supports multiple driver circuit protocols by using a voltage divider, analog-to-digital converter, processor, and memory-based lookup tables to determine the appropriate protocol and generate control signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a luminaire supports multiple driver circuit protocols through manual configuration, then the adaptability to different protocols is improved, but the device complexity and installation risk increase due to manual switching requirements
Solution Approach 1:
The system performs self-detection of the driver circuit protocol by automatically sampling voltage levels on the control wire and comparing them against stored protocol signatures. This eliminates the need for manual configuration by installation technicians, allowing the luminaire to autonomously adapt to different protocols (0-10V, DALI, DMX, LEDcode) without increasing operational complexity
Solution Approach 2:
The system pre-stores multiple protocol signatures (voltage level patterns) in memory before operation begins. During installation, the system proactively samples and identifies the connected driver circuit protocol, preparing the appropriate communication interface in advance. This preliminary detection prevents configuration errors and simplifies installation by eliminating manual protocol selection
2Ease of manufacture
If manual configuration is required to switch between protocols, then the ease of manufacture is improved by using simple driver circuits, but the ease of operation deteriorates due to configuration steps needed
Solution Approach 1:
A universal driver control interface acts as an intermediary between the simple driver circuit and the luminaire controller. This interface includes a voltage divider that safely samples control voltages, an analog-to-digital converter that transforms analog voltage levels into digital values for processing, and a protocol signature database that matches sampled patterns to known protocols. This intermediary layer enables automatic protocol detection without requiring complex driver circuits, maintaining manufacturing simplicity while dramatically improving installation ease by eliminating manual configuration steps
3Adaptability or versatility
If multiple driver circuit variants are used to support different protocols, then the adaptability is improved, but the device complexity increases due to multiple protocol support mechanisms
Solution Approach 1:
The universal driver control interface is designed with multi-functionality to handle multiple protocols through a single unified architecture. The voltage divider and analog-to-digital converter serve all protocol types, while the processor dynamically configures communication parameters based on detected protocol signatures. This universal interface eliminates the need for separate dedicated circuits for each protocol (0-10V, DALI, DMX, LEDcode), reducing overall device complexity while maintaining full multi-protocol adaptability
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
Eliminates the need for manual configuration and reduces installation risks by automatically identifying and communicating with various driver circuit protocols, ensuring proper operation and compatibility.
Implementation Method 1
a voltage divider connected to the driver circuit via the at least one universal driver control interface electrical contact
Implementation Method 2
an analog-to-digital converter connected to the voltage divider
Data Source
AI summary
A luminaire includes a universal driver control interface to control various types of driver circuits. The luminaire receives, via a voltage divider, an analog voltage feed as a first driver control signal from at least one driver control wire connected to a driver circuit. The luminaire converts, via an analog-to-digital converter, the analog voltage feed into a digital voltage value. The luminaire compares the digital voltage value with a respective range of unique voltage values in a voltage lookup table for each type of driver circuit to determine a respective type of driver circuit protocol. Based on the determined respective driver circuit protocol identifier and a light source control setting, the luminaire outputs a second driver control signal, via the at least one driver control wire, to the driver circuit.