Adjustable UV Illumination Device for Targeted Sterilization
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Solution Overview
Problem
Existing UV disinfection devices lack the ability to adjust the orientation of UV light for effective disinfection and sterilization, are not compact, and cannot detect human presence or identify materials, leading to incomplete disinfection and increased bulkiness and cost.
Innovation Solution
A UV illumination device with a light head, light direction controller, and controlling unit that uses a camera, object detection module, machine learning, and artificial intelligence to adjust UV light projection based on detected items and human presence, allowing for compact, portable, and efficient disinfection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If UV disinfection devices use fixed orientation lighting, then device structure is simple, but disinfection coverage is incomplete and cannot adapt to different surfaces
Solution Approach 1:
The patent applies the dynamics principle by making the UV light head rotatable and adjustable in orientation. The light head can rotate around a vertical axis and tilt at different angles, allowing the disinfection device to adapt to various surface orientations and geometries. This dynamic adjustment capability enables complete disinfection coverage without requiring multiple fixed devices, resolving the contradiction between adaptability and device complexity.
Solution Approach 2:
The patent implements universality by designing a single disinfection device that can handle multiple disinfection scenarios through adjustable orientation. The same device can disinfect horizontal surfaces, vertical surfaces, and angled surfaces by adjusting the light head position, replacing the need for multiple specialized fixtures. This multi-functionality achieves comprehensive disinfection coverage while maintaining relatively simple device structure.
2Weight of moving object
If UV disinfection devices are designed as large fixed fixtures, then disinfection intensity is high, but device portability and integration are poor
Solution Approach 1:
The patent applies segmentation by dividing the disinfection device into modular components: a base unit, a rotatable joint, and an adjustable light head. This segmented design allows the device to be compact and portable while maintaining high disinfection intensity through concentrated UV LED arrays in the light head. The modular structure enables easy integration into existing lighting fixtures or portable use, resolving the contradiction between portability and disinfection intensity.
3Productivity
If UV disinfection devices lack detection capabilities, then device structure is simple, but disinfection effectiveness cannot be optimized based on detected items
Solution Approach 1:
The patent implements feedback by incorporating detection modules that identify surfaces and objects in the disinfection area. The system uses detection data to automatically adjust the UV light orientation, intensity, and exposure time, optimizing disinfection effectiveness for different targets. This feedback mechanism enables intelligent adaptation without requiring overly complex detection systems, resolving the contradiction between disinfection efficiency and device complexity.
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 device provides targeted UV light disinfection, detects human presence, and identifies materials for tailored disinfection, ensuring effective sterilization while being compact and easy to integrate with existing lighting fixtures.
Implementation Method 1
Ultraviolet (UV) radiation emitted at certain wavelengths is mutagenic to micro-organisms. Subtype C of the UV spectrum (UVC), also referred to as 'germicidal' UV radiation, is generally considered to be radiation emitted at a wavelength ranging from 100-280 nanometers. On application, the UVC radiation can be used to inactivate (i.e., destroy, render harmless, and/or prohibit the growth or reproduction) certain micro-organisms.
Implementation Method 2
Different forms of light can be used in different applications by making use of specific wavelengths of light effects such as inactivation of bacteria, fungi, viruses, chemical reactions including the curing of plastics and other materials.
Data Source
AI summary
The invention provides a UV illumination device for sterilizing and disinfecting a desired item or area. The UV illumination device comprises a base of a fixed housing. The base comprises a pair of electrical terminals establishing connection with external power source. A movable housing is connected to the fixed housing through a mechanical joint. The movable housing includes a plurality of light sources, a motor, an adjustment lens, a camera unit, a memory unit, and a controlling unit connected to the camera unit and the memory unit. The plurality of light sources, the camera unit, the memory unit and the controlling unit are mounted on a base plate. The controlling unit includes a processor configured to perform certain computing operations in order to control adjustment in the direction of UV illumination by the UV illumination device.