Breathing light assembly
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Solution Overview
Problem
Air purifiers using LED lights to indicate air quality face issues with clarity when the light color is similar to the housing color, resulting in unclear light emission.
Innovation Solution
A breathing light assembly that includes a front panel, cover, and body cover with a curved surface, where a breathing light is mounted to emit light at an angle greater than 45 degrees through a light transmission panel and reflective strip, enhancing clarity and field of view by projecting light evenly onto a light emitting zone.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If LED lights are used to indicate air quality, then the air quality indication function is achieved, but the light clarity is poor when the light color is similar to the housing color
Solution Approach 1:
The housing is divided into a light-emitting portion and a non-light-emitting portion. The light-emitting portion is specifically designed to transmit light while the non-light-emitting portion provides structural support and housing functions. This segmentation allows the light to be clearly visible through the designated portion without requiring the entire housing to be transparent or light-colored.
Solution Approach 2:
The housing is designed with different optical properties in different regions. The light-emitting portion has specific optical characteristics (transparency or translucency) to allow light transmission, while other portions maintain standard housing properties. This local differentiation ensures that the light color is clearly distinguishable from the housing in the critical viewing area.
2Illumination intensity
If the light color is similar to the housing color, then the housing aesthetic is maintained, but the light visibility and clarity are reduced
Solution Approach 1:
The housing is segmented into a light-emitting portion with specific optical properties and other structural portions. This allows the light-emitting area to be optimized for visibility while the rest of the housing maintains its aesthetic design and structural integrity.
Solution Approach 2:
The light-emitting portion acts as an intermediary element between the LED light source and the external environment. It is specifically designed to enhance light transmission and visibility, serving as a mediator that ensures the light signal is clearly communicated without compromising the overall housing appearance.
3Device complexity
If the light is emitted directly without optical channels, then the device structure is simple, but the light projection and field of view are limited
Solution Approach 1:
The optical channel serves multiple functions: it guides the light from the LED source, shapes the light projection, defines the field of view, and integrates with the housing structure. By combining these functions into a single optical channel component, the design achieves improved light projection without proportionally increasing complexity.
Solution Approach 2:
The optical channel introduces a new spatial dimension for light propagation. Instead of direct emission, the light travels through a defined three-dimensional path, allowing for better control over projection direction, spread, and field of view. This dimensional approach enhances lighting effectiveness.
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 ensures clear visibility of the light color corresponding to air quality, preventing color infusion with the housing and improving the lighting effect by spreading and focusing the light effectively.
Implementation Method 1
The reflective strip 70 reflects the light emitted by the breathing light 40
Implementation Method 2
Light emitted by the breathing light 40 passes through the light transmission panel 50 to the light emitting zone 32
Data Source
AI summary
A breathing light assembly of an air purifier includes a front panel, a cover, a breathing light, a body cover, and a reflective strip. The cover includes a light transmission panel and a curved surface and is mounted to the front panel. The breathing light is mounted to the curved surface and faces the light transmission panel. The body cover cooperatively defines an optical channel with the cover. A surface of the body cover includes a light emitting zone within the optical channel. The light emitting zone faces the breathing light across the optical channel. Light emitted by the breathing light passes through the light transmission panel to the light emitting zone. The reflective strip is mounted on the light emitting zone and positioned at an end of the optical channel. The reflective strip reflects the light emitted by the breathing light.