3D Sensor Clip for Luminaires with Attenuation Chamber
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Solution Overview
Problem
Current lighting systems face challenges with sensor compatibility due to varying luminaire shapes and sizes, high luminous intensities damaging sensors, and inaccurate data readings from sensor overload, necessitating custom-designed sensors that are not dynamic and have limited adaptability.
Innovation Solution
A three-dimensional (3D) sensor clip with adjustable components allows for attachment to various luminaire shapes and sizes, featuring upward-facing color sensors and downward-facing environment sensors, along with a sectorized VLC/DLC receiver, which includes an attenuation chamber and orientation sensors to reduce light exposure and determine luminaire identity and position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If sensors are placed in close proximity to luminaires to directly measure light output, then measurement precision is improved, but the sensors are damaged by high luminous intensities
Solution Approach 1:
The patent introduces an intermediary optical system including a beam splitter, attenuating filter, and relay optics that mediates between the high-intensity light source and the sensor. The beam splitter divides the light path, while the attenuating filter reduces the intensity of light reaching the sensor, allowing accurate measurement without sensor damage.
Solution Approach 2:
The optical path is segmented into multiple stages: direct light measurement path, reflected light path, and attenuated light path. Each segment serves a specific measurement function, allowing the system to measure both high and low intensity light separately and combine the data for comprehensive luminaire characterization.
2Measurement precision
If custom-designed sensors are used for specific luminaires to ensure compatibility, then measurement precision is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent creates a universal sensor assembly that can measure multiple luminaire types through a combination of direct and reflected light paths. The system uses standard sensors with additional optical components rather than custom sensors for each luminaire type, reducing complexity while maintaining measurement accuracy across different luminaire configurations.
3Measurement precision
If sensors are exposed to high luminous intensities to capture accurate data, then measurement precision is improved, but the sensors experience overload and provide inaccurate readings
Solution Approach 1:
The system dynamically adjusts the measurement approach based on light intensity conditions. The control system switches between direct measurement mode (for lower intensity), reflected light measurement mode (for high intensity), and attenuated measurement mode (for very high intensity), ensuring reliable readings across the full range of luminaire output levels.
4Measurement precision
If multiple sensors are used to measure both direct and indirect light, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The patent combines direct and indirect light measurement capabilities into a single integrated sensor assembly. The beam splitter directs both direct light from the luminaire and reflected light from the environment to the same sensor, eliminating the need for separate sensor units and reducing overall system complexity while maintaining comprehensive measurement capability.
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 3D sensor clip system effectively adapts to different luminaires, protects sensors from high light intensities, and provides accurate data on luminaire conditions and environments, enhancing lighting system installation, maintenance, and control while ensuring sensor longevity.
Implementation Method 1
an attenuation chamber and orientation sensors to reduce light exposure
Data Source
AI summary
Devices, systems, and methods are disclosed for attaching a sensor system to luminaires of a variety of shapes and sizes. Specifically, a 3D sensor clip is disclosed with adjustable components configured to attached the 3D sensor clip to a luminaire such as to adjust the position of a color sensor in the 3D sensor clip relative to a luminaire. Devices, systems, and methods are also disclosed for using visual light communication (VLC)/dark light communication (DLC) for communications in a lighting system, including automated identification of luminaires.