Visible Light Address Configuration for Post-Installation Lighting
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Solution Overview
Problem
Existing lighting control systems face challenges in efficiently configuring unique addresses for lighting lamps, leading to increased installation time, potential errors, and duplication of addresses, especially in systems like DALI, where random number generation can result in inaccurate recognition and overlapping addresses.
Innovation Solution
A lighting address configuration system using visible light communication, where a movable address configuration device uses blinking light signals to directly configure addresses, improving recognition rates and reducing duplication by generating random numbers through visible light signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If random numbers are generated for address configuration in DALI systems, then address configuration can be automated, but the probability of address duplication increases
Solution Approach 1:
The system uses feedback mechanisms where the control device receives signals from lighting lamps during address configuration. The control device tracks which addresses have been assigned and provides feedback to prevent duplicate address assignments, ensuring uniqueness while maintaining automation.
Solution Approach 2:
The system performs preliminary actions by having lighting lamps transmit their current addresses and random numbers to the control device before final address assignment. The control device pre-cheks for duplicates and resolves conflicts before the configuration is completed, preventing address duplication.
2Ease of operation
If visible light blinking is used for address configuration, then post-installation configuration is enabled, but recognition accuracy may decrease
Solution Approach 1:
The system changes parameters of the visible light signal during blinking sequences to encode different types of information (addresses, random numbers, confirmation signals). By varying parameters such as blink duration, interval, and pattern, the system maintains high recognition accuracy while enabling flexible post-installation configuration.
Solution Approach 2:
The control device uses feedback from the visible light signals to confirm successful reception and interpretation of address configuration data. The system adjusts blinking patterns based on feedback signals to ensure accurate communication and can retransmit if recognition fails.
3Adaptability or versatility
If DALI communication speed of 1200 bps is used, then compatibility is maintained, but address configuration time increases significantly
Solution Approach 1:
The system performs preliminary address configuration using visible light communication at high speed before switching to standard DALI communication. This preliminary action assigns addresses quickly without affecting the existing DALI infrastructure, reducing overall configuration time while maintaining compatibility.
Solution Approach 2:
The system introduces visible light communication as an intermediary channel for rapid address configuration, separate from the traditional DALI electrical communication channel. This intermediary allows fast configuration while DALI maintains its role for control and monitoring, resolving the speed-compatibility trade-off.
4Measurement precision
If physical location specification is added to address configuration, then lighting lamp identification accuracy improves, but system complexity increases
Solution Approach 1:
The control device performs multiple functions: it manages DALI communication, processes visible light signals, generates random numbers, tracks physical locations, and handles address assignment. By making the control device universal and multi-functional, the system improves identification accuracy without proportionally increasing overall system complexity.
Solution Approach 2:
The lighting lamps automatically transmit their current addresses and physical location information to the control device during configuration. The system uses self-service mechanisms where lamps provide their own identification data without requiring manual intervention, improving accuracy while keeping the process simple.
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
This system allows for efficient and accurate address configuration post-installation, reducing maintenance time and errors, and minimizing the probability of address duplication, while also being cost-effective and adaptable to various communication methods.
Implementation Method 1
a lighting lamp unit (120) configured to: receive the address configuration command from the lighting control unit (110) and perform control corresponding to the address configuration command
Implementation Method 2
a visible light receiving device (130) configured as a movable portable device, located near and below a desired lighting lamp unit (120), and configured to receive visible light when the desired lighting lamp unit (120) is blinking
Data Source
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AI summary
The present invention relates to a lighting address configuration system using visible light communication, which may allow direct configuration of a desired address under a lighting for which an address is desired to be configured after installing the lighting by using visible light generated by blinking of the corresponding lighting, improve a recognition rate of a visible light signal according to blinking of the light, and improve quality by greatly reducing a possibility of duplication when issuing random numbers for address configuration.