Rechargeable Facial Brush with UVC Sterilization and Drying Chamber

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Solution Overview

Problem

Current motorized facial brushes lack effective sterilization and drying mechanisms, leading to bacterial and fungal contamination, especially in the moist bathroom environment, which can exacerbate skin conditions and negate the benefits of deep skin cleaning.

Innovation Solution

A powered facial brush system with a removable brush head and a germicidal UVC sanitizing and drying chamber that automatically sterilizes and dries the brush head after use, using a ring-shaped UVC light source and reflective surfaces to ensure complete coverage and minimize shadows, along with a timer and display for user convenience.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the brush head is kept moist for deep skin cleaning, then cleaning effectiveness is improved, but bacterial and fungal contamination increases

Engineering Contradiction:

Improvecleaning effectivenessVSAvoidbacterial and fungal contamination

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The system performs sterilization and drying actions automatically after each use, before the next cleaning session. The UVC light source activates to sterilize the brush head and heating element begins drying immediately after use, preventing contamination before it can occur during storage.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent converts the harmful effect of moisture (which promotes bacterial growth) into a beneficial drying process. The heating element that could potentially cause damage is instead used to evaporate moisture and prevent bacterial proliferation, turning a potential harm into a protective measure.

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

2Reliability

If the brush head is sterilized using traditional methods, then hygiene is improved, but the brush structure becomes complex

Engineering Contradiction:

ImprovehygieneVSAvoidbrush structure

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple functions into a single integrated base unit: sterilization via UVC light, drying via heating element, and charging via electrical contacts. This consolidation achieves comprehensive hygiene maintenance without requiring multiple separate devices or complex mechanical structures.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The patent replaces traditional mechanical sterilization methods (such as autoclaving or chemical浸泡) with non-mechanical approaches: UVC radiation for sterilization and thermal heating for drying. This substitution simplifies the overall system structure while maintaining effective hygiene control.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Device complexity

If the brush head is left exposed for drying, then simplicity is maintained, but contamination risk increases

Engineering Contradiction:

Improvestorage structureVSAvoidcontamination risk

Core Design Contradiction:

Device complexityVSObject-affected harmful factors

Solution Approach 1:

The brush head is nested within the base unit during storage and maintenance cycles. The base unit contains a recessed chamber that accommodates the brush head, allowing the UVC light source and heating element to effectively treat the brush head surfaces while keeping it protected from environmental contamination during the sterilization and drying processes.

Inventive Principle:

Principle #7Nested doll (Nesting)

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 system effectively prevents bacterial and fungal growth on the brush head, maintaining hygiene and extending the lifespan of the brush while ensuring user safety by reducing the risk of infections and skin irritation.

Implementation Method 1

sterilization is accomplished by means of a UVC light source within the Base Station

Methodology Applied

Scientific EffectUltraviolet radiation sterilization: Radiation

Implementation Method 2

a heater within the Base Station increases the temperature of the air around the brush

Methodology Applied

Scientific EffectEvaporation: Evaporation

Data Source

PatentUS9717325B2Rechargeable facial brush with sterilization

Publication Date: 2017.08.01 TAO CLEAN LLC

AI summary

In one example, we describe a method and system for facial brush or body brush, for cleaning the skin. In one example, it utilizes distinct parts: a powered facial brush handle with the ability of offering both an oscillating and rotary setting, removable brush heads of varying materials and compositions, and a charging base station with a protective germicidal UVC sanitizing and drying chamber. User convenience is also central to our solution. All the functional actions of the protective germicidal UVC sanitizing and heating chamber are activated once the brush handle and brush head is placed within it, in one example. Mode control allows the user to choose the right setting for them, offering a mild setting for sensitive skin and normal for balanced skin types. A set duration of brush activation allows the user to orchestrate a complete cleaning. Various examples and variations are presented.