Aerosol Device Light Indicator Size Compensation
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Solution Overview
Problem
Aerosol generation devices often suffer from misalignment between light-emitting indicators and light-transmissive portions due to manufacturing tolerances, leading to inhomogeneous illumination.
Innovation Solution
The design includes a light-emitting indicator with a larger projection size than the light-transmissive portion, allowing for homogeneous illumination and accommodating misalignment, with a releasable cover for easy maintenance and a compact LED light source for efficient illumination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the light-emitting indicator and light-transmissive portion are sized equally, then the device structure is simplified, but misalignment due to manufacturing tolerances causes inhomogeneous illumination
Solution Approach 1:
The patent changes the size parameter of the light-emitting indicator relative to the light-transmissive portion. Specifically, the light-emitting indicator is designed with a larger size than the light-transmissive portion, creating a size differential that compensates for manufacturing tolerances and ensures homogeneous illumination despite alignment variations.
2Manufacturing precision
If additional light-diffusing or light-guiding components are added, then illumination homogeneity is improved, but device complexity and footprint increase
Solution Approach 1:
The patent extracts and eliminates the need for additional light-diffusing or light-guiding components by directly addressing the root cause through size differentiation. The larger light-emitting indicator inherently provides sufficient illumination coverage without requiring separate diffusing elements, thereby simplifying the device structure.
Solution Approach 2:
The light-emitting indicator serves multiple functions simultaneously: it provides the primary illumination function while its enlarged size automatically performs the function of light diffusion and alignment compensation that would otherwise require separate components. This self-service approach reduces overall device complexity.
3Area of stationary object
If the light-transmissive portion is made larger to match the light-emitting indicator, then illumination coverage is improved, but the cover structure becomes more complex and harder to maintain
Solution Approach 1:
Instead of enlarging the light-transmissive portion to match the light-emitting indicator, the patent inverts the approach by making the light-emitting indicator larger than the light-transmissive portion. This inversion maintains a compact cover structure while ensuring sufficient illumination coverage, thereby preserving ease of maintenance and replacement.
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
This configuration ensures consistent and homogeneous illumination of the light-transmissive portion, reducing the need for additional components and facilitating maintenance, while maintaining a compact device footprint.
Implementation Method 1
The light-emitting indicator is configured to emit light through the light-transmissive portion in a light propagation direction through the light-transmissive portion
Data Source
AI summary
An aerosol generation device includes a cover, a light-emitting indicator, and a main body with a main housing forming the exterior surface of the main body configured for generating an aerosol from an aerosol generation substrate and including the light-emitting indicator. The cover is releasably attached or connected to the main housing to cover a portion of the exterior surface and to form part of the exterior surface of the aerosol generation device, and includes a light-transmissive portion. The light-emitting indicator is configured to emit light through the light-transmissive portion in a light propagation direction. The projection of the light-emitting indicator onto a plane which is transversal to the light propagation direction has a first shape and size, and the projection of the light-transmissive portion onto this plane has a second shape and size, the second size is smaller than the first size and fully fits into the first shape.