UVC Far Light Skin Sanitizing System with Touchless Sensor
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Solution Overview
Problem
Current sanitation devices are not designed to target ultraviolet C (UVC) light effectively at human hands and lack timing mechanisms for safe and efficient pathogen deactivation without using soap, water, or chemicals.
Innovation Solution
A touchless-switch skin sanitizing system that emits a filtered dose of UVC light for a predetermined time, using LED sensors and a timer to deactivate pathogens on the skin, with a downward orientation and safety features to prevent eye exposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If UVC light is used to sanitize skin, then pathogenic germs are deactivated, but eyes may be exposed to harmful UVC light
Solution Approach 1:
The device segments the UVC light emission into controlled pulses with specific timing, delivering sanitization doses while limiting total exposure duration to protect eyes from harmful effects
Solution Approach 2:
The device changes the parameter of light wavelength to use Far-UVC (207-222 nm) which has been shown to effectively kill pathogens while being less harmful to human skin and eyes compared to traditional UVC wavelengths
2Reliability
If sanitation devices target UVC light at human hands, then pathogen deactivation is improved, but devices become more complex without timing mechanisms
Solution Approach 1:
The device incorporates an integrated timer that automatically controls the duration of UVC light emission, eliminating the need for manual timing and simplifying operation while ensuring consistent sanitization doses
Solution Approach 2:
The device uses sensor detection to sense when hands are present in the radiation field, automatically triggering the UVC emission sequence and timer, providing feedback-based control that simplifies user interaction
3Ease of operation
If touchless switch is used to activate sanitizing device, then ease of operation is improved, but device requires sensor integration increasing complexity
Solution Approach 1:
The device replaces mechanical contact switches with optical or radiation field sensors that detect hand presence wirelessly, enabling touchless operation through non-contact sensing mechanisms
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
Effectively sanitizes hands by deactivating pathogens using timed UVC light doses without soap, water, or chemicals, ensuring safety and convenience in pathogen reduction.
Implementation Method 1
a control circuitry configurable to sense an object with a radiation field
Implementation Method 2
the UV radiator is configured to radiate a UV light across the radiation field
Implementation Method 3
whereby the device uses LED sensors that turns on UVC lighting, thus deactivating protein of pathogen germ(s) on the skin of the hands
Data Source
AI summary
A touchless skin sanitization system, device and method. The sanitizing device is configurable to sense an object and radiate the sensed object with UV light for a predetermined amount of time. A touchless switch activates the sanitizing device upon sensing the object, while a timer deactivates the sanitizing device after the predetermined amount of time. The sanitizing device provides an outer cover adapted to move between a closed condition and an open condition for maintenance. The outer cover is also adapted to mount the sanitizing device in a downward orientation relative to the UV radiating device.