LED Light with Ambient Sensor for Standard Fixture Retrofit
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Solution Overview
Problem
Smart building technologies that automatically control lighting are often expensive and incompatible with standard building fixtures, requiring professional installation and not addressing issues like inefficient LED lighting and unnecessary energy consumption.
Innovation Solution
LED-based light systems that include sensors to detect ambient light levels, controllers to regulate power, and connectors for standard fixtures, allowing for automatic brightness adjustment and efficiency monitoring, enabling the transformation of standard buildings into smart environments without the need for extensive renovations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If smart building components are used to automatically control lighting, then energy efficiency is improved, but cost and installation complexity increase
Solution Approach 1:
The lighting device integrates multiple functions including light emission, ambient light sensing, efficiency self-monitoring, and wireless communication into a single unit that is compatible with standard fixtures, eliminating the need for separate smart building components and reducing installation complexity
Solution Approach 2:
The lighting device includes a sensor that detects ambient light levels and automatically adjusts LED power consumption, and an efficiency monitoring system that tracks LED performance and communicates degradation to maintenance personnel, enabling the system to manage itself without external control infrastructure
2Extent of automation
If LED-based lights with sensors and controllers are installed, then automatic brightness adjustment is achieved, but device complexity increases
Solution Approach 1:
The patent combines the LED light source, ambient light sensor, efficiency monitoring circuitry, and wireless transmitter into a single integrated lighting device, reducing the number of separate components and simplifying installation while maintaining automatic brightness adjustment functionality
Solution Approach 2:
The lighting device incorporates a sensor that detects ambient light levels and provides feedback to the controller, which automatically adjusts the power provided to the LEDs to maintain appropriate brightness levels without manual intervention
3Ease of operation
If standard building fixtures are used, then ease of installation is improved, but smart building functionality is reduced
Solution Approach 1:
The lighting device is designed with a connector compatible with standard building fixtures while incorporating smart building functions including ambient light sensing, automatic brightness control, LED efficiency monitoring, and wireless communication, allowing standard fixtures to provide advanced functionality
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
These systems provide a cost-effective way to create smart buildings by automatically adjusting lighting based on ambient conditions, reducing energy waste and alerting maintenance when LED efficiency drops, thus enhancing energy efficiency and operational convenience.
Implementation Method 1
a sensor arranged to detect a brightness level in an area resulting from the combination of light emitted by the LEDs with light from at least one ambient light source other than the LEDs
Data Source
AI summary
An LED-based light includes one or more LEDs, a sensor arranged to detect a brightness level in an area resulting from the combination of light emitted by the LEDs with light from at least one ambient light source other than the LEDs, and operable to output a signal corresponding to the detected brightness level, a controller operable to regulate an amount of power provided to the LEDs in response to the signal, a light transmitting housing for the LEDs, the sensor and the controller and a connector shaped for connection with a light socket disposed at an end of the housing.