Removable Essential Oil Cartridge for Quiet Waterless Diffusion
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Solution Overview
Problem
Existing aroma diffusers face issues such as damage from drying out, mixing of odors, loud operation, and slow emission at low temperatures, requiring a low-profile design with high assembly efficiency and minimal shipping space.
Innovation Solution
An aroma diffuser using an electric heating element atomizer with a base, removable essential oil storage cartridge, integrated circuit for optimal heating control, and a fan system for efficient atomization without water, allowing easy replacement and alignment through magnetic elements, and a battery-operated design for portability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If ultrasonic ceramic sheet vibration is used for atomization, then efficient atomization is achieved, but the device requires water which leads to scorching damage and cannot be placed in different orientations
Solution Approach 1:
The patent replaces the ultrasonic mechanical vibration system with an electric heating element system. The heating element heats the essential oil to generate vapor, eliminating the need for water and mechanical moving parts that can burn out. This substitution resolves the contradiction by maintaining atomization functionality while removing the water-dependent mechanical components that caused durability issues.
Solution Approach 2:
The patent changes the operating parameters from ultrasonic frequency vibration to thermal heating. By using temperature control parameters of the heating element, the system achieves vaporization of essential oils without requiring water. This parameter change eliminates the scorching damage risk associated with water-based ultrasonic systems while maintaining efficient fragrance dispersion.
2Productivity
If gas injection with high-pressure gas tanks or air pumps is used, then atomization is achieved, but the device becomes loud and the mixing chamber cannot be replaced leading to odor mixing
Solution Approach 1:
The patent replaces the mechanical gas injection system (high-pressure tanks or air pumps) with a thermal vaporization system. The heating element vaporizes essential oils directly without requiring mechanical compression or gas injection, thereby eliminating the noise generated by pneumatic systems. The removable cartridge design allows easy replacement of different essential oil types without mixing.
Solution Approach 2:
The patent divides the essential oil storage into separate removable cartridges, each dedicated to a specific essential oil type. This segmentation prevents odor mixing by physically isolating different essential oils in separate compartments that can be independently replaced, resolving the issue of permanent mixing chambers.
3Ease of operation
If fan-based gas mixed essential oils dissipation is used, then fragrance distribution is achieved, but the emission speed is slow at relatively low room temperatures
Solution Approach 1:
The patent changes the vaporization mechanism from passive fan-based evaporation to active thermal heating. The heating element directly heats the essential oil to generate vapor, independent of ambient temperature. This parameter change from temperature-dependent passive evaporation to active thermal vaporization maintains fast emission speed across different room temperature conditions while preserving easy fragrance distribution.
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
Enables quick and efficient atomization of essential oils without mixing fragrances, silent operation, and adaptability to different environments, with a compact and user-friendly design.
Implementation Method 1
an electric heating assembly that is in thermal connectivity with the essential oil storage chamber
Implementation Method 2
decompose water molecules and dissolved plant essential oils into a nano-scale cold mist
Data Source
AI summary
An aroma diffuser having a base including a cavity; a containment receptacle contained in the cavity; and a control motherboard arranged inside the cavity of the base below the containment receptacle. The aroma diffuser further having an essential oil storage cartridge that includes a partition separating a chamber in the essential oil storage cartridge into an air intake chamber and an essential oil storage chamber storing essential oil; an electric heating assembly that is in thermal connectivity with the essential oil storage chamber; and a plurality of contacts, mounted on an exterior surface of the essential oil storage cartridge, coupled to the electric heating assembly for electrically connecting the electric heating assembly to the control motherboard. The essential oil storage cartridge is removably inserted into the containment receptacle of the base.