Rotary Plug Socket and PTC Heating for Miniature Diffuser
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Solution Overview
Problem
Existing aromatherapy diffusers face issues with non-detachable plugs causing perfume leakage, voltage instability due to cement resistance, low assembly efficiency, and inflexibility in accommodating different voltage standards and plug specifications.
Innovation Solution
A miniature aromatherapy diffuser design featuring a rotary plug socket, PTC heating body, and modular shell assembly with conductive copper connections, allowing for automatic assembly and adaptability to various voltage standards and plug types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If non-detachable plugs are used in existing diffusers, then the structure is simple, but users have difficulty connecting it to the socket due to socket direction and the perfume is likely to flow out
Solution Approach 1:
The patent employs a dynamic plug structure that can rotate 360 degrees to adapt to different socket orientations. The plug is connected to the diffuser body through a rotating mechanism rather than being fixed, allowing it to dynamically adjust its orientation during insertion. This resolves the contradiction by making the plug operationally flexible without significantly complicating the overall device structure.
2Adaptability or versatility
If cement resistance is used for heating in existing diffusers, then the structure is simple, but it is not compatible with wide-range voltage and leads to temperature instability
Solution Approach 1:
The patent replaces the cement resistance heating element with a PTC (Positive Temperature Coefficient) heating element. The PTC element's electrical resistance automatically increases with temperature, providing self-regulating temperature control. This parameter-based solution allows the heating system to adapt to wide voltage ranges while maintaining stable temperature, resolving the contradiction between voltage adaptability and device complexity.
3Productivity
If screw connection is used in most devices, then the assembly is secure, but it results in low assembly efficiency and is not conducive to automatic production
Solution Approach 1:
The patent segments the diffuser into modular components (main body, plug assembly, perfume bottle assembly, shell assembly) that can be independently manufactured and then quickly assembled. This segmentation eliminates the need for time-consuming screw connections during final assembly, enabling automatic production while maintaining secure connections through alternative fastening mechanisms.
4Adaptability or versatility
If fixed specifications of the plug are used, then the design is straightforward, but it is difficult to replace the plug by country
Solution Approach 1:
The patent designs the plug as a universal component that can be easily replaced or rotated to accommodate different country-specific socket standards. The rotating connection mechanism between the plug and diffuser body allows a single plug design to serve multiple international markets, eliminating the need for country-specific plug variations while maintaining adaptability.
5Productivity
If leads are used for internal connection in most devices, then the electrical connection is established, but it is not conducive to automatic production and leads to low capacity
Solution Approach 1:
The patent merges the electrical connection function into the structural components themselves. The heating element and plug are integrated with the diffuser body through direct electrical contacts or conductive elements built into the plastic housing, eliminating the need for separate wire leads. This integration simplifies the internal structure and enables automatic production while maintaining reliable electrical connections.
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 prevents perfume leakage, ensures stable temperature across a wide voltage range, enhances assembly efficiency, and allows for easy adaptation to different plug standards, improving productivity and usability.
Implementation Method 1
the heating body is a Positive Temperature Coefficient (PTC) heating body
Data Source
AI summary
The miniature aromatherapy diffuser comprises a main shell and a perfume bottle assembly, a heating body fixed seat is arranged in the main shell, one end of the heating body fixing seat is provided with a connecting cavity, and the other end is detachably assembled with a heating body; a PCB assembly is arranged on the heating body fixing seat, and both sides of the heating body are provided with electrodes connected with the PCB assembly. The perfume bottle assembly comprises a bottle body and a cotton bar, the bottle body is connected with the connecting cavity, one end of the cotton bar extends out of the mouth of the bottle body and extends into the heating body; a fragrance emitting area is arranged on the main shell, and the main shell is also provided with a rotary plug socket.