Personal Care Treatment Unit Cleaning Before UV Sanitizing
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Solution Overview
Problem
Personal care devices, such as electric shavers, require effective cleaning and sanitization processes that are often overlooked and not adequately addressed by manual user intervention, leading to potential hygiene issues due to debris accumulation and microbial contamination.
Innovation Solution
A personal care system comprising a personal care device, a sanitizing device, and a cleaning device, equipped with a processing unit that provides timely and accurate feedback on the cleanliness of the treatment unit, recommending cleaning before sanitization based on debris levels and usage data, ensuring efficient disinfection through a combination of disinfecting light and cleaning-liquid flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual cleaning and sanitizing processes are used, then users have control over the maintenance routine, but the effectiveness is reduced due to user oversight and insufficient cleaning quality
Solution Approach 1:
The system enables automatic monitoring of treatment unit cleanliness through sensors that detect debris levels, and automatically triggers notifications to users when cleaning is required, eliminating the need for users to manually track and assess cleaning needs
Solution Approach 2:
The system incorporates sensors that continuously monitor the treatment unit condition and provide feedback to users through notifications, creating a closed-loop system that ensures cleaning is performed at the appropriate time based on actual debris levels rather than user estimation
2Reliability
If users manually decide when to clean and sanitize, then flexibility is maintained, but hygiene effectiveness deteriorates due to subjective decision-making
Solution Approach 1:
The system replaces subjective user judgment with objective sensor-based detection that measures actual debris levels on the treatment unit, providing accurate information about when cleaning is truly needed rather than relying on user perception or arbitrary schedules
Solution Approach 2:
Continuous monitoring through sensors provides real-time feedback on treatment unit cleanliness, enabling data-driven decisions about when cleaning and sanitizing should occur, replacing subjective user assessment with objective measurements
3Reliability
If sanitizing is performed without prior cleaning, then the sanitizing process can be completed quickly, but the sanitization effectiveness is compromised due to debris blocking the sanitizing light
Solution Approach 1:
The system monitors debris levels and sends notifications to users to clean the treatment unit before attempting sanitization, ensuring that the sanitizing light can effectively reach and disinfect the treatment unit surface without being blocked by accumulated debris
Solution Approach 2:
The sensor system provides feedback on treatment unit cleanliness status, preventing users from attempting sanitization until the treatment unit has been adequately cleaned, thereby ensuring sanitization effectiveness while minimizing unnecessary time loss through proper sequencing
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
Ensures effective cleaning and sanitization of personal care devices by preventing ineffective sanitization due to debris, enhancing user hygiene and maintaining device cleanliness through real-time monitoring and personalized feedback.
Implementation Method 1
sanitizing device, which is configured to disinfect the treatment unit by means of disinfecting light generated by a light source of the sanitizing device
Implementation Method 2
cleaning device, which is configured to clean the treatment unit by means of a cleaning-liquid flow generated by a liquid-displacing member of the cleaning device
Data Source
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AI summary
The present disclosure relates to a personal care system (100) comprising a personal care device (110), a sanitizing device (120), a cleaning device (130), and a processing unit (140). The personal care device includes a treatment unit (112) for treating a user's body. The sanitizing device disinfects the treatment unit using disinfecting light when the treatment unit is in a predefined sanitizing position. The cleaning device cleans the treatment unit using a cleaning-liquid flow when the treatment unit is in a predefined cleaning position. The processing unit receives a first signal indicating a user action in relation to the sanitizing device, and a second signal indicating a degree of debris on/in the treatment unit and/or usage of the treatment unit since a last cleaning of the treatment unit by the cleaning device. The processing unit then generates an output signal relating to a recommended or required cleaning of the treatment unit by the cleaning device based on the received signals.