Electric Hair Clipper With Visible Rotating Pattern Layer
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Solution Overview
Problem
Existing electric hair clippers lack aesthetic appeal and functional diversity, with a focus solely on haircutting, and often occupy excessive space and consume high power.
Innovation Solution
Incorporating a rotatable pattern layer on the outer rotor of an outer rotor motor within the housing, allowing visual observation through an observation portion, and utilizing snap-in mechanisms for easy assembly, along with a miniaturized design and efficient motor operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If traditional motor structures are used in hair clippers, then the motor can provide sufficient power, but the device occupies excessive space and consumes high power
Solution Approach 1:
The patent replaces the traditional mechanical motor structure with a magnetic field-driven system. The voice coil motor uses electromagnetic interaction between the voice coil and permanent magnets to generate linear motion, eliminating the need for traditional mechanical components like commutators and brushes, thereby reducing volume while maintaining power output
Solution Approach 2:
The patent changes the operating parameters of the motor system by using high-strength permanent magnets (such as neodymium magnets) to increase magnetic field strength, allowing for a more compact design. The voice coil's electrical parameters are optimized to achieve high force density in a smaller volume
2Power
If traditional motor structures are used in hair clippers, then the motor can provide sufficient power, but the device consumes high power
Solution Approach 1:
The voice coil motor eliminates mechanical friction from commutators and brushes, reducing energy losses. The direct electromagnetic conversion from electrical energy to mechanical motion improves efficiency and reduces overall power consumption while maintaining sufficient cutting power
Solution Approach 2:
The voice coil motor operates through periodic electromagnetic cycles, where the alternating current creates alternating magnetic fields that produce reciprocating motion. This periodic operation allows for efficient energy utilization with each cycle contributing to the cutting action
3Device complexity
If hair clippers focus solely on haircutting function, then the device structure remains simple, but the device lacks aesthetic appeal and functional diversity
Solution Approach 1:
The transparent housing design allows the same device structure to serve multiple functions: it provides structural protection while simultaneously displaying internal components for aesthetic purposes. The motor assembly serves both as the power source and as a visual display element, eliminating the need for separate decorative components
Data Source
AI summary
The disclosure provides an electric hair clipper, including: a housing provided with an inner cavity; a motor disposed in the inner cavity; and a pattern layer disposed on the motor, where the housing is provided with an observation portion that is configured for a user to visually observe the pattern layer from outside the housing.