LED Stroboscopic Fluid Display Illumination
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Solution Overview
Problem
Existing optical illusion fluid display devices suffer from uneven illumination, high costs, noise, and operational complexity, leading to unnatural and unstable fluid patterns that are difficult to view, especially in ambient light conditions, and require an operator for maintenance.
Innovation Solution
The use of LED arrays with higher color temperature for uniform illumination, a compact and quiet pumping system, a flexible nozzle system for three-dimensional fluid patterns, and a level monitoring system to ensure fluid stability, along with a Demo mode for automated pattern generation, all integrated within a portable and easy-to-clean housing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If Xenon bulb stroboscope is used for illumination, then the fluid droplets can be illuminated, but the illumination is uneven and creates point source artifacts
Solution Approach 1:
The patent replaces expensive Xenon bulbs with inexpensive LED stroboscopes. The LED provides sufficient illumination without the point source problems of Xenon, and though individual LEDs have limited lifetimes, their low cost and replaceability make this a practical solution that improves illumination uniformity while reducing overall system complexity
Solution Approach 2:
The patent substitutes mechanical/optical complexity with electronic control. Instead of using complex optical diffusion elements to try to uniformize Xenon light, the system uses electronically controllable LED arrays with precise timing to achieve uniform illumination, replacing optical mechanical solutions with electronic control
2Reliability
If expensive oscillating and/or vibrating pump system is used, then fluid droplets can be generated, but the system becomes noisy, heavy, and complex
Solution Approach 1:
The patent replaces complex mechanical oscillating pumps with a simpler vibrational mechanism. The fluid is contained in a reservoir that vibrates at specific frequencies to generate droplets, eliminating the need for expensive pump assemblies while maintaining reliable fluid pattern generation. This substitution reduces mechanical complexity, noise, and weight
Solution Approach 2:
The vibration mechanism serves multiple functions: it generates droplets, controls droplet size through frequency modulation, and can create various fluid patterns including rising, falling, and levitating effects. This multi-functionality replaces what would otherwise require separate mechanical systems
3Illumination intensity
If enclosure is designed to block ambient light, then viewing is improved, but the device becomes large and non-portable
Solution Approach 1:
The patent uses partial light blocking rather than complete enclosure. The housing includes light-blocking elements positioned strategically to reduce ambient light interference just enough to improve viewing quality, without creating a fully enclosed bulky structure. This partial action achieves the necessary viewing enhancement while maintaining device portability
Solution Approach 2:
The housing provides light blocking only in the specific areas where ambient light would interfere with viewing the fluid illusion, rather than enclosing the entire device. This localized approach to light management improves viewing quality without adding unnecessary weight or bulk
4Productivity
If fluid reservoir with spigot and pipe system is used, then fluid can be supplied, but splashing and fluid losses increase
Solution Approach 1:
The patent replaces the spigot and pipe delivery system with a vibrational fluid ejection mechanism. The reservoir vibrates to directly eject fluid through a small aperture, eliminating the need for gravitational flow through spigots and pipes. This substitution dramatically reduces fluid splashing and loss while maintaining adequate fluid supply for the display
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 provides a stable, natural, and pleasing optical illusion with fluid patterns that can be displayed in various formations without operator intervention, offering a cost-effective, quiet, and long-lasting display that operates effectively in ambient light conditions.
Implementation Method 1
The display device of the present invention illuminates the fluid display above the flicker fusion frequency with constant illumination over the entire fluid display space with the use of light emitting diodes (LEDs) arrays
Implementation Method 2
These prior art display devices utilize expensive, large, noisy and heavy oscillating and/or vibrating pump system
Implementation Method 3
Stroboscopic fluid displays are known in the prior art... U.S. Pat. Nos. 4,426,021, 5,165,580, and D335,916 to Rosenthal disclose display devices that produce fluid droplets or solid stream with undulations rising, falling or levitating
Data Source
AI summary
A fluid display device that produces the illusion of fluid droplets traveling up, traveling down or levitating, in a stable, smooth, and non-jerky motion. The fluid display device includes a housing, a reservoir for storing the fluid, an outlet nozzle for dispensing the fluid, a pump pulsating the fluid, an inlet for receiving the fluid from the outlet nozzle, and a light source having a color temperature of at least 5000 degrees K operating at or above flicker-fusion frequency to illuminate the fluid droplets.