Hair Dryer Diffuser Magnetic Coupling With Wireless Power
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Solution Overview
Problem
Existing hair dryers with diffusers face challenges in providing a stable and secure coupling between the diffuser and the main body, leading to potential separation issues and inefficient gas discharge characteristics.
Innovation Solution
The hair dryer design incorporates a magnetic coupling mechanism between the diffuser and the main body, utilizing wireless power transmission and magnetic force generators to ensure stable coupling and efficient gas discharge, while also allowing for removable and ergonomic diffuser attachment with integrated massage protrusions and light irradiation for scalp care.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a magnetic coupling mechanism is used between the diffuser and main body, then the stability and security of attachment is improved, but the device complexity increases due to additional magnetic force generators and wireless power transmission components
Solution Approach 1:
The patent replaces traditional mechanical coupling mechanisms (screws, clips, or snap-fits) with a magnetic coupling system. Magnetic force generators are embedded in both the diffuser and main body, creating an invisible holding force that secures the diffuser without mechanical fasteners. This substitution improves attachment reliability while eliminating complex mechanical assembly and disassembly procedures.
Solution Approach 2:
The magnetic field acts as an intermediary between the diffuser and main body, transmitting holding force without direct physical contact. The wireless power transmission system also uses electromagnetic fields as an intermediary to transfer energy across the air gap between components. This intermediary approach enables stable coupling while maintaining component independence and ease of removal.
2Ease of operation
If wireless power transmission is implemented for the diffuser, then the ease of operation is improved by eliminating directional coupling requirements, but the use of energy increases due to additional power transmission infrastructure
Solution Approach 1:
The magnetic force generators serve dual functions: they provide the holding force to secure the diffuser to the main body, and they enable wireless power transmission to the diffuser's components (such as LED lights or heating elements). This multi-functionality eliminates the need for separate mechanical fasteners and wired power connections, improving ease of operation while managing energy consumption through integrated design.
3Adaptability or versatility
If the diffuser includes integrated care devices such as massage protrusions and light irradiation, then the adaptability is improved for scalp care functions, but the device complexity increases due to additional integrated components
Solution Approach 1:
The patent merges multiple scalp care functions into a single diffuser unit. Massage protrusions are integrated into the diffuser surface to provide mechanical stimulation, while LED lights or other illumination devices are embedded to provide light therapy. The wireless power transmission system powers these additional components without requiring separate batteries or wired connections. This consolidation provides versatile scalp care functionality while maintaining a unified, manageable device structure.
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
This design enhances user convenience by eliminating directional coupling requirements, providing stable and secure attachment, efficient gas distribution, and integrated scalp care features, improving both functionality and user experience.
Implementation Method 1
a second coupling portion (220) provided on a rear side (212) of the diffusing case (210), and configured to be coupled to the first coupling portion (120) by a magnetic force generated from at least one magnetic force generator
Implementation Method 2
The first coupling portion (120) may include a wireless power transmitter (122), and the second coupling portion (220) may include a wireless power receiver (222)
Data Source
AI summary
A hair dryer includes a main body, a handle, and a diffuser. The diffuser includes a diffusing case. The main body is provided such that a front end of an outer wall surrounds the gas outlet, a first coupling portion coupled with the diffuser is provided at the front end, and the diffusing case includes a second coupling portion coupled to the first coupling portion while surrounding a gas inlet hole defined at a rear side. The first coupling portion includes a wireless power transmitter to wirelessly supply power to the diffuser, and the second coupling portion includes a wireless power receiver to wirelessly receive the power from the wireless power transmitter.