Ergonomic Scent Diffuser Cap with Guide Rails
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Solution Overview
Problem
Current scent diffusers are difficult to use due to challenges in replacing fragrance pads and are limited in the amount of fragrance they can hold, with ergonomic design and user error issues.
Innovation Solution
An ergonomic scent diffuser design featuring a cap with guide rails and retention members that securely hold a resilient fragrance block, allowing for easy replacement and increased fragrance capacity, with a heating element powered by electrical components and protected from residue and corrosion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional fragrance pad is used in a scent diffuser, then the device can disperse scent, but replacing and reloading pads is difficult and user-error prone
Solution Approach 1:
The fragrance system is segmented into a removable fragrance pad and a fixed heating element assembly. The fragrance pad can be easily detached and replaced by users, while the heating element remains stationary. This segmentation allows easy replacement of only the consumable component without moving the complex electrical and heating components.
Solution Approach 2:
A tray structure serves as an intermediary component between the fragrance pad and the heating element. The tray holds the fragrance pad in a predetermined orientation and facilitates easy insertion and removal. This intermediary mechanism prevents user error by ensuring proper positioning while simplifying the replacement process.
2Quantity of substance
If a traditional scent diffuser design is used, then it can heat and evaporate fragrance, but it is limited in the amount of fragrance that can be held
Solution Approach 1:
The fragrance storage capacity is increased by utilizing vertical space and three-dimensional arrangement within the housing. The fragrance pad is positioned to maximize contact with the heating element while extending the fragrance reservoir in multiple dimensions, allowing greater fragrance capacity without increasing the horizontal footprint or overall device complexity.
3Productivity
If the fragrance pad is directly exposed to the heating element, then evaporation is efficient, but user error can cause melted fragrance to fuse components together
Solution Approach 1:
A tray structure serves as a protective intermediary between the heating element and the fragrance pad. This tray prevents direct contact that could cause melted fragrance to fuse components, while still allowing sufficient heat transfer for efficient evaporation. The tray acts as a thermal conduit and physical barrier simultaneously.
Solution Approach 2:
The tray structure provides beforehand protection against the harmful effect of melted fragrance. By pre-positioning this protective barrier, the design prevents potential damage to the heating element and surrounding components before such damage can occur, ensuring reliable operation even when fragrance melts during heating.
4Productivity
If the fragrance block is heated repeatedly, then scent is dispersed, but the block can lose its shape when heated and cooled
Solution Approach 1:
The fragrance pad is designed with a flexible, resilient structure that can withstand repeated thermal cycling. The material properties of the fragrance pad allow it to flex and return to its original shape, maintaining structural integrity through multiple heating and cooling cycles while continuing to dispense scent effectively.
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 design enhances user ergonomics, reduces user error, and increases fragrance capacity while ensuring efficient evaporation and dispersal of scented gas through the diffuser.
Implementation Method 1
Exposure to the heat causes the liquid to evaporate and disperse a scented gas
Data Source
AI summary
An ergonomic scent diffuser having a first housing with electrical components connected to a second housing having a heating element disposed within. Slidably connected to the second housing is a cap. The cap has depressions adjacent an outer end to provide an ergonomic grip. The cap also has guide rails and retaining members that retain and position a fragrance emitting member over the heating element.