Dynamic Projection Light with Static Film Structure
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Solution Overview
Problem
Traditional dynamic projection lights are complex and require a large interior space due to the need for a motor and gear set to rotate the film, making them inefficient in design and functionality.
Innovation Solution
A dynamic projection light with a housing containing multiple independently controllable projection units, each comprising an LED head, a magnifying lens, an optical sheet, and a condenser lens, controlled by a central controller to project animated images without the need for mechanical rotation, utilizing a waterproof and heat-dissipating design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a motor and gear set are used to rotate the film, then animated images can be projected, but the structure becomes complex and the interior space increases
Solution Approach 1:
The patent replaces the mechanical rotation system (motor and gear set) with a static film structure and electronic control system. Multiple LED lights with different colors are used to illuminate different regions of the film, and by controlling which LEDs are active, animated images are projected without any mechanical movement. This eliminates the need for motors and gear sets while maintaining the animation projection capability.
Solution Approach 2:
The patent creates dynamic animated projections using a static film structure by electronically controlling the illumination of different film regions. The animation effect is achieved through temporal sequencing of LED activation patterns, allowing the film to display moving images without physical rotation. This transforms a mechanically dynamic system into an electronically dynamic one.
2Adaptability or versatility
If a motor and gear set are used to rotate the film, then animated images can be projected, but the interior space becomes large
Solution Approach 1:
The patent eliminates the space-consuming motor and gear set by replacing the mechanical rotation system with a static film structure illuminated by multiple LED lights. The animation projection capability is maintained through electronic control of the LED illumination patterns, significantly reducing the interior space required while preserving the full projection functionality.
3Device complexity
If multiple LED lights are used to illuminate the film, then animated images can be projected without mechanical rotation, but heat generation increases
Solution Approach 1:
The patent acknowledges that multiple LED lights generate heat but converts this potential harm into a benefit by implementing an aluminum alloy heat dissipation structure. The housing is designed with heat dissipation fins and channels that actively manage the thermal output, transforming the heat problem into an opportunity to demonstrate effective thermal management and potentially even utilize the heat for optimizing LED performance within safe operating parameters.
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 allows for compact and efficient projection of animated images with reduced complexity and heat management, enabling the creation of moving images using the human visual persistence phenomenon, enhancing appreciation and reducing the need for extensive interior space.
Implementation Method 1
a magnifying lens for diffusing light positioned between the LED light and the film
Implementation Method 2
a condenser lens positioned in front of the film... lights from the LED light are diffused and softed by the magnifying lens, and then change their colors and brightness after passing through the film, and finally passing through the condenser lens and are projected to a plane
Implementation Method 3
Traditional dynamic projection light typically includes an LED light
Data Source
AI summary
A dynamic projection light includes several projection units fixed in a housing and a controller used for sequentially turning on and turning off at least a part of the several projection units to produce at least one moving image. Each projection unit is used for projecting a preset image and includes an LED head, a magnifying lens configured in front of the LED head and configured for diffusing light from the LED head, an optical sheet configured in front of the magnifying lens and having a preset pattern, and a condenser lens configured in front of the optical sheet. By arranging different preset patterns of the optical sheets, utilizing the human visual persistence phenomenon, projected animation images of human or animal walking or running or jumping or swinging, or leaves or petals or snowflakes falling, or objects rolling et al. may be realized, having a strong appreciation.