LED Module System with Integrated Twilight Sensor
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Solution Overview
Problem
Existing LED lighting systems lack the ability to efficiently control brightness and color independently, and fail to automatically adjust lighting based on ambient conditions, leading to inefficient energy use and limited customization options.
Innovation Solution
An LED module system with separate dimmers for white and RGB LEDs, integrated twilight sensors, and an external ON/OFF switch, allowing for independent control of brightness and color, automatic reduced brightness at twilight, and a signaling mode that changes brightness and color at a predetermined frequency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single LED assembly with integrated control is used, then device complexity is reduced and installation is simplified, but the ability to independently control brightness and color is limited
Solution Approach 1:
The LED module is divided into separate LED assemblies (white LEDs and RGB LEDs) with separate dimmers for each, allowing independent control of brightness and color while maintaining a compact integrated structure. This segmentation enables versatile lighting modes without significantly increasing overall device complexity.
2Loss of energy
If automatic twilight sensing is implemented, then energy efficiency is improved, but device complexity increases due to additional sensors and control circuits
Solution Approach 1:
The twilight sensor and motion detector are integrated into the same housing as the LED assemblies and control circuits. This merging approach allows automatic energy-saving operation while minimizing the increase in device complexity by sharing common components and control logic.
3Adaptability or versatility
If separate dimmers for white and RGB LEDs are used, then lighting customization is enhanced, but device complexity and installation difficulty increase
Solution Approach 1:
The control device is designed with universal control logic that handles multiple lighting modes (daylight, twilight, night, signaling) through a unified interface. The separate dimmers for white and RGB LEDs are controlled through integrated control circuits that provide versatile lighting customization while maintaining manageable device complexity through standardized control architecture.
4Adaptability or versatility
If multiple operating modes are integrated, then functionality and adaptability are improved, but ease of operation may be reduced due to multiple control inputs
Solution Approach 1:
The LED module automatically detects ambient light conditions through the twilight sensor and transitions between operating modes (daylight, twilight, night) without user intervention. The signaling mode is activated automatically when motion is detected, allowing the system to serve itself and adapt to environmental conditions, thereby maintaining ease of operation despite multiple integrated functions.
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
Ensures energy-efficient operation with automatic reduced brightness at twilight, customizable lighting options, and enhanced visibility with maximum brightness activation by user or motion detection, while simplifying installation with integrated components.
Implementation Method 1
an integrated control device (17) as a function of the signals from an integrated twilight sensor (20)
Data Source
Figure 1~3
Figure 2~4
AI summary
An LED module system is proposed, comprising an LED module (1, 2, 3) with at least one integrated LED assembly (5, 6, 7) connected to at least one integrated dimmer (9, 10, 11), which can be controlled by an integrated control device (17) depending on the signals (D) of an integrated twilight sensor (20) and the signals (N1) of an integrated switching input (18), wherein an external ON/OFF switch or motion detector (22) is connected to the switching input (18), wherein the LED module (1, 2, 3) can assume at least three different modes, namely a "switch-off mode", a "sensor mode" and a "light mode", wherein the "light mode" with maximum brightness can be activated by the signal (N1) of the external ON/OFF switch or motion detector (22), wherein the "sensor mode" with brightness reduced in a predefined manner is automatically activated by the signal (D) of the twilight sensor (20) can be activated.