Modular LED Luminaire with Color Temperature Tuning
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Solution Overview
Problem
Existing LED lighting systems lack flexibility and efficiency in adjusting color temperature and intensity, particularly in commercial and residential settings, where dynamic lighting needs are not adequately met by current technologies.
Innovation Solution
A modular LED lighting system with interchangeable boards, a diffuser lens structure, and advanced control systems that allow for independent control of light output and color temperature tuning using sensors and a user interface, enabling dynamic adjustment of light intensity and color temperature based on ambient conditions and user input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional LED lighting systems are used, then the structure is simple and cost is low, but the flexibility and efficiency in adjusting color temperature and intensity are insufficient
Solution Approach 1:
The LED lighting system is divided into multiple independent modules, each containing specific数量的LEDs with different color temperatures (warm white, cool white, blue). These modular units can be independently controlled through separate control circuits, enabling flexible adjustment of color temperature and intensity without requiring complete system redesign.
Solution Approach 2:
The patent implements dynamic control capabilities by incorporating control circuits that can adjust the operating parameters of different LED modules in real-time. The system responds to ambient light conditions and user inputs to dynamically change color temperature and brightness, transforming a static lighting system into an adaptive one.
2Adaptability or versatility
If multiple LEDs with different color temperatures are used, then color temperature tuning capability is improved, but the control system complexity increases
Solution Approach 1:
The patent combines multiple LEDs with different color temperatures into integrated modules where warm white LEDs, cool white LEDs, and blue LEDs are housed together in single units. This merging approach allows the control system to manage color temperature by adjusting the intensity of pre-grouped LED types rather than controlling individual LEDs, reducing control complexity.
Solution Approach 2:
The control system adjusts color temperature by changing the relative intensity parameters of different LED modules rather than adding complex control mechanisms. By varying the drive current or PWM duty cycle of each LED type, the system achieves color temperature tuning through parameter adjustment of existing components.
3Adaptability or versatility
If ambient light sensors and control systems are added, then the adaptability to environment and user preferences is improved, but the device complexity and cost increase
Solution Approach 1:
The lighting system incorporates ambient light sensors that automatically detect environmental light conditions and adjust the LED output accordingly without requiring manual intervention. The system serves itself by comparing sensor input with desired lighting conditions and autonomously adjusting intensity and color temperature, reducing the need for complex user interfaces and control logic.
Solution Approach 2:
The patent implements feedback loops where ambient light sensors continuously monitor environmental conditions and feed this information to control circuits. The control system uses this feedback to dynamically adjust LED operation, creating a closed-loop system that adapts to changing environmental conditions while maintaining simple overall architecture through intuitive control logic.
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 system provides customizable lighting solutions that can adapt to various environments and user preferences, enhancing energy efficiency and user experience by allowing precise control over light output and color temperature.
Implementation Method 1
The first master circuit board is coupled to a transformer for converting alternating current to direct current for powering the light emitting diodes
Implementation Method 2
rows with the arrays of light emitting diodes are covered by or embedded within an elongated curved lens structure. The an elongated curved lens structure acts as a diffuser lens to spread or soften the light that is emitted by light emitting diodes within the arrays
Implementation Method 3
A light-emitting diode (LED) is a semiconductor diode that emits light when an electrical current is applied in the forward direction of the device
Data Source
AI summary
A lighting system is disclosed that includes lighting zones. Each of the lighting zones include LED light fixtures with different sets of LED arrays mounted to modular light boards that emit different output spectra. Each of the zones also includes a layer pack control unit coupled to the LED light fixture to control power to the LED light fixtures and to execute or run lighting protocols. The lighting system preferably includes a user interface device coupled to LED light fixtures in each of the light zones through a system bus and is capable independently control light output from the LED light fixtures in each of the zones.