LED Flameless Candle Assembly with Flickering Control
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Solution Overview
Problem
Existing flameless candles have complex and costly circuitry, making them expensive to manufacture and maintain.
Innovation Solution
A simple LED flameless candle assembly with a housing, LED lights, and a control circuit that uses a fan and scent diffusing disk to create a flickering effect with fixed light intensities, reducing manufacturing costs while maintaining safety and ambiance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If complex circuitry is used to adjust LED intensity and duration, then the candle effect is more realistic, but the manufacturing cost and device complexity increase
Solution Approach 1:
The patent divides the housing into separable components (base and body) that can be assembled and disassembled easily. The LED array is segmented into multiple individual LEDs that can be independently controlled through simple switching circuitry rather than complex dimming circuits, achieving realistic candle effect while maintaining simplicity.
Solution Approach 2:
The patent employs periodic switching of LED groups to simulate the natural flickering of a real candle flame. By sequentially activating different LED segments in a periodic pattern, realistic flame behavior is achieved without requiring complex continuous intensity modulation circuits.
2Adaptability or versatility
If multiple features (light, heat, scent) are integrated into one device, then the ambiance is enhanced, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent integrates multiple functions (light emission, heat generation, and scent diffusion) into a single unified device. The housing serves as both the structural enclosure and the scent diffusion chamber, while the LED array provides both illumination and thermal effects. This multi-functionality is achieved through careful design that makes each component serve multiple purposes, avoiding the need for separate devices.
Solution Approach 2:
The patent merges the light source, heat source, and scent diffusion system into a single integrated assembly. The LED array serves dual purposes of illumination and heat generation, while the housing simultaneously provides structural support and acts as the scent diffusion chamber. This consolidation reduces overall device complexity compared to using separate devices for each function.
3Reliability
If LED lights are activated continuously, then the candle effect is maintained, but the energy consumption increases
Solution Approach 1:
The patent uses periodic activation of LED groups rather than continuous operation. By switching different LED segments on and off in a periodic pattern, the natural flickering of a candle flame is simulated while significantly reducing overall energy consumption compared to continuous illumination.
Solution Approach 2:
The patent implements dynamic control of LED activation patterns to match the unpredictable nature of real candle flames. The system varies the duration, intensity, and timing of LED activation to create realistic flickering effects, maintaining visual authenticity while optimizing energy usage by keeping LEDs off during periods when the effect is less critical.
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 cost-effective, safe, and aesthetically pleasing flameless candle with a flickering effect and scent diffusion, addressing the complexity and expense issues of existing designs.
Implementation Method 1
The plurality of LED lights is disposed in the semi-translucent section and are connected to the LED circuit control through the shaft
Implementation Method 2
Disposed within the chamber is the LED control circuit, a power supply, and a fan
Data Source
AI summary
An LED diffusing assembly having a housing, a plurality of LED lights, and an LED control circuit. Each of the plurality of LED lights has a fixed intensity. Once activated the LED control circuit activates and deactivates each LED light at different times and for different intervals to create a flickering effect.