Color Temperature Sensor Dome Flat Diffuser Light Scattering
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Solution Overview
Problem
Current lighting systems lack an efficient method to automatically control color temperature based on natural sunlight readings, leading to potential misalignment of internal circadian rhythms and suboptimal lighting environments for health and productivity.
Innovation Solution
A color temperature sensor assembly with a dome-shaped and flat diffuser system that captures and disperses light to accurately detect color temperature, integrated with a processor to adjust lighting loads and compensate for light intensity, ensuring optimal circadian alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual adjustment interfaces (GUIs, touch screens, mobile apps) are provided for color temperature control, then users can adjust intensity and color temperature, but the interface becomes confusing and prone to human error
Solution Approach 1:
The system automatically adjusts color temperature based on sunlight readings without requiring user intervention. The sensor assembly autonomously measures natural light color temperature and the lighting control system automatically modifies artificial lighting to achieve target circadian alignment, eliminating the need for complex manual GUI adjustments while maintaining optimal lighting conditions
2Extent of automation
If automatic circadian lighting control is implemented, then optimal circadian alignment is achieved, but accurate color temperature sensing is required
Solution Approach 1:
Diffuser elements are introduced as intermediaries between the sunlight source and the color temperature sensing module. The diffusers scatter and redistribute light to eliminate hot spots and provide uniform illumination across the sensor array, thereby improving measurement precision of color temperature without compromising the automation of circadian lighting control
Solution Approach 2:
Different regions of the sensor assembly have specialized functions: dome-shaped diffusers for broad light collection, flat diffusers for uniform distribution, and strategically positioned color temperature sensing modules. This local optimization ensures high measurement precision in the sensing regions while maintaining overall system automation
3Measurement precision
If a dome-shaped and flat diffuser system is used to capture and disperse light, then accurate color temperature detection is achieved, but device complexity increases
Solution Approach 1:
Multiple diffuser elements (dome-shaped and flat) are combined in an integrated assembly that captures light from various angles and uniformly distributes it to the color temperature sensing module. This merged structure achieves high measurement precision through comprehensive light collection while consolidating multiple functions into a single compact unit, thereby limiting the increase in device complexity
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 solution enables automatic adjustment of lighting systems to synchronize with natural circadian rhythms, enhancing productivity, health outcomes, and energy efficiency by providing accurate color temperature and intensity control.
Implementation Method 1
a first diffuser extending through the opening in the sensor body and comprising a substantially dome shaped surface, wherein the first diffuser is adapted to capture light at angles incident to the dome shaped surface of the first diffuser and scatter the light within the first diffuser
Implementation Method 2
a second diffuser disposed below the first diffuser and comprising a substantially flat shaped surface, wherein the second diffuser is adapted to further diffuse the light scattered by the first diffuser and direct the light towards the color temperature sensing module
Data Source
AI summary
A color temperature sensor assembly comprising a sensor body, a substantially dome shaped diffuser extending through an opening in the sensor body, a substantially flat diffuser disposed within the sensor body below the first diffuser, and a color temperature sensing module disposed below the flat diffuser and adapted to detect a color temperature of light collected by the dome shaped diffuser and the flat diffuser. The shape of the dome diffuser helps capture light from all angles to bring in more light to the sensor and provide more accurate readings. The secondary flat diffuser is adapted to further diffuse the light to reduce light concentration and prevent inaccurate readings. The color temperature readings from the color temperature sensor assembly may be used to control at least one lighting load.