Surface Disinfection with UV-C LEDs on the Next Level
EBV’s UV-Disinfection demonstrators are developed for surface disinfection of 2D and 3D objects. Beyond the currently available surface disinfection chamber with Mercury-tubes or UV LEDs, this design showcases the following advanced feature:
- Auto-adjustment of exposition time on detected surface area1)
- Treatment surface estimation1)
- LED performance monitoring and adjustment
- Portable electronics ICs for USB-C, Li-Ion-Batteries and LED drivers.
- Test kit for natural microbial fluorescence detection2)
- Choose different disinfection modes / doses3)
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| Supplier / Partner | Description |
|---|---|
| ams OSRAM |
AS 7331TC Test chip (I²C digital optical UV-A,B,C Sensor) SU CULCN1.VC Midpower UV-C LED |
| Avnet Abacus |
Standard batteries from Avnet Abacus’ portfolio No Tooling No Certification |
| Infineon |
Infineon TLE4913 Hall-Sensor for Open-Close Safety switch |
| Luminus |
XBT-1313-UV mid power UV-C LED XBT-3535-UV high power UV-C LED Download Datasheet |
| STMicroelectronics |
STM32F401 Main MCU processor (HMI interface, Process control) Buy now |
Annotations:
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Treatment surface estimate for process time adjustment is based on the fact that the Flux any Disinfection object in the chamber will absorb UV-C Light (Most Materials exhibit < 50 % reflection /scattering of the light). With perfect scattering in Chamber walls, the UV-C Flux is indirectly proportional to the UV-Absorbing Surface of the Disinfection specimen.
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Microbes typically emit a UV-A signal upon UV-C excitation. This principle was researched in different papers like; Source: http://journals.sagepub.com/doi/10.1366/000370209789806993
This design enables you to study this principle for your specific use case.
Besides the new engineering Samples of the UV-A, B, C Sensor, EBV also offers professional miniature spectrometers from Broadcom for medical and industrial applications to monitor this effect, among other use cases. -
There are major differences for disinfection doses (mJ/cm²) depending on the pathogen species and the disinfection degree. This evaluation kit allows to choose various disinfection doses. EBV-Specialists provide you with further know-how about this topic, too.