Hair Dryer Diffuser With LED Scalp Care and Guided Airflow
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Solution Overview
Problem
Existing hair dryers with integrated LED modules for scalp care are cumbersome and lack sufficient LED functionality for effective scalp and hair care, while standalone scalp care devices are limited in their ability to provide cold or warm air modes.
Innovation Solution
A detachable diffuser with an LED light irradiator and a structured flow path for gas distribution, featuring a proximity sensor and light blocking mechanism, which can be attached to a hair dryer for enhanced scalp care and efficient gas flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a high-velocity jet stream is used to blow away lint and debris, then cleaning effectiveness is improved, but the diffuser may become clogged more quickly
Solution Approach 1:
The diffuser is divided into multiple independent ejection holes instead of a single opening. This segmentation allows the system to maintain high cleaning effectiveness through multiple targeted jets while reducing clogging risk by distributing the cleaning function across multiple smaller pathways, so that if one hole becomes partially blocked, others remain functional.
Solution Approach 2:
Different regions of the diffuser are equipped with ejection holes of varying sizes and orientations tailored to specific cleaning needs. The first set of holes has different characteristics than the second set, allowing each region to optimize for its local cleaning task while collectively providing comprehensive lint and debris removal without uniform clogging vulnerabilities.
2Adaptability or versatility
If multiple ejection holes are created in the diffuser, then cleaning versatility is improved, but manufacturing complexity increases
Solution Approach 1:
Multiple ejection holes with different functions and characteristics are merged into a single diffuser component. This integration provides versatile cleaning patterns for different hair types and styling needs while maintaining a simple overall structure that does not require separate assemblies or complex mechanisms, thereby achieving versatility without proportionally increasing device complexity.
3Productivity
If jet stream velocity is increased to improve styling efficiency, then drying speed is improved, but lint and debris accumulation in the diffuser increases
Solution Approach 1:
The diffuser is designed with multiple ejection holes that create preliminary distributed jets before the air reaches the hair. This preliminary distribution allows the cleaning function to act continuously during the drying process, preventing lint and debris accumulation even at high velocities, thereby maintaining drying speed without the trade-off of increased debris buildup.
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 detachable diffuser provides improved ergonomic usability and efficient gas flow, allowing for effective scalp and hair care through adjustable light and air modes, enhancing user experience and care performance.
Implementation Method 1
a jet stream generated by a fan disposed inside the housing
Implementation Method 2
a heating element disposed inside the housing
Data Source
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AI summary
A diffuser for a hair dryer includes a diffusing case, a guide frame provided inside the diffusing case to guide a flow of gas introduced into the diffusing case, a light irradiator provided inside the diffusing case and in front of the guide frame to irradiate light toward a front side of the diffusing case, and a discharge cover provided at the front side of the diffusing case. The discharge cover includes a gas discharge hole to discharge the gas inside the diffusing case to outside. The discharge cover includes a plurality of massage protrusions to press a target located in front of the discharge cover.