Lunar Eclipse Lamp With Rotating Fresnel Image Projection
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Solution Overview
Problem
Traditional lamps lack dynamic display functions and fail to meet the growing demand for personalized lighting effects.
Innovation Solution
A dynamic lunar eclipse lamp is designed with a blocking piece, imaging lens, rotary drive component, and light source to create a lunar eclipse and crescent/half-moon display effects through the rotation of a Fresnel lens, using a gear transmission system to stabilize and rotate the lens.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional lighting fixtures are used, then basic lighting function is provided, but dynamic display function is lacking and personalized lighting needs cannot be met
Solution Approach 1:
The lighting fixture integrates multiple functions including basic illumination, lunar eclipse display, crescent moon display, and half-moon display through a single device structure. The blocking piece with opaque area and transparent area, combined with the imaging lens and Fresnel lens, enables the fixture to perform both practical lighting and dynamic astronomical display functions, resolving the contradiction between function diversity and structural simplicity.
Solution Approach 2:
The patent introduces a rotary drive component that rotates the Fresnel lens relative to the blocking piece, creating dynamic display effects. This rotational movement allows the lunar image to move across the blocking piece, transforming static lighting into dynamic astronomical phenomenon simulation, thereby enhancing adaptability without proportionally increasing complexity.
2Adaptability or versatility
If a blocking piece with opaque area and transparent area is used to create lunar eclipse effect, then dynamic display function is achieved, but device complexity increases
Solution Approach 1:
The patent combines the blocking piece, imaging lens, and Fresnel lens into a single integrated optical assembly. The blocking piece with its specific opaque and transparent areas is positioned in direct relationship with the lenses, eliminating the need for separate mechanical mounting structures and reducing overall device complexity while maintaining dynamic display capability.
Solution Approach 2:
The imaging lens serves as an intermediary element that projects the lunar image onto the blocking piece, while the Fresnel lens focuses light from the light source onto the blocking piece. This intermediary optical system enables dynamic display without requiring direct mechanical interaction between components, simplifying the overall structure.
3Adaptability or versatility
If a rotary drive component is added to rotate the Fresnel lens, then dynamic lunar eclipse display effect is achieved, but device complexity increases
Solution Approach 1:
The rotary drive component is designed to rotate the Fresnel lens in a manner that naturally creates the dynamic lunar eclipse display effect. The rotation mechanism serves dual purposes: it positions the Fresnel lens for optimal light focusing and simultaneously generates the dynamic display by moving the lunar image across the blocking piece, eliminating the need for separate control mechanisms.
Solution Approach 2:
The blocking piece features an asymmetric design with the opaque area positioned at a non-central location. This asymmetric configuration, combined with the rotation of the Fresnel lens, creates varied display effects (lunar eclipse, crescent, half-moon) from a single rotational movement, reducing the complexity of requiring multiple positioning mechanisms.
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 lamp achieves a vivid, dynamic display effect that meets personalized lighting needs by forming a lunar eclipse and crescent/half-moon effects through the rotation of the lunar image, enhancing user experience.
Implementation Method 1
an imaging lens provided on one side of the blocking piece, and one end of the imaging lens is provided with a Fresnel lens configured to image
Implementation Method 2
one end of the imaging lens is provided with a Fresnel lens configured to image
Data Source
AI summary
A dynamic lunar eclipse lamp is provided, which includes a blocking piece including a transparent area and a circular opaque area, the opaque area is provided at a non-central position of the blocking piece; an imaging lens provided on one side of the blocking piece, one end of the imaging lens is provided with a Fresnel lens, a non-central position on the Fresnel lens is provided with an image, and the imaging lens is configured to project the image onto a non-central position on the blocking piece, a position of the image projected by the imaging lens corresponds to a position of the opaque area on the blocking piece; a rotary drive component connected to the Fresnel lens and configured to drive the Fresnel lens to rotate; and a light source component, the lamp is caused to form a lunar eclipse effect, a crescent or a half-moon display effect.