DE202020001894U1 - Arrangement for disinfecting touchscreens using UV LED rays - Google Patents

Abstract

Protection claim arrangement for the disinfection of touch screens, characterized in that on the touch screen there is a movable rod with one or more internal UV lamps in the range between 200 to 300 nm, which is able to move from top to bottom and back, or from right to left and back to move.

Description

introduction

Currently, touchscreens are used by many different people, for example at train stations, in rest areas and the like. Information is entered using the fingers and / or language. On the one hand there is a risk that the surface is contaminated with germs, bacteria and viruses (e.g. also through sneezing or through airborne droplets, etc.), on the other hand people touch the surface with their fingers and then transfer the germs to themselves can.

In principle, the problem can be solved by cleaning the surface of the touchscreen with an appropriate solvent. However, this is very cumbersome when used by many people. Another variant would be treatment with UV radiation, which could destroy bacteria, viruses, germs and fungi.

Patent searches were carried out with the online database DPMA. In the course of this research, a number of patent applications and utility model applications relevant to the hit were found:

There is the patent specification DE 10 2016 013 087 A1 , which describes a door handle that disinfects the handle by a moving unit. Disinfection is carried out using UV light and is moved using the handle arrangement. This arrangement has the disadvantage that the handle is stationary and the door handles have to be converted in a complex manner, and the design and shape of the door handle is therefore predetermined. Such a device could be used in particular in medical facilities, but not for widespread use.

Furthermore, the patent DE 699 12 849 T2 known, which describes a portable device for disinfecting small objects using a flash lamp. This arrangement is applicable for small objects that are locked in the interior.

For example, a disinfection device for interiors, for example for dishwashers, is also known ( DE 20 2012 102 250 U1 ). Furthermore, patents are known which deal with the disinfection of surfaces and indoor air ( DE 20 2017 100 914 U1 ). The patent DE 20 2018 103 840.0 describes the disinfection of textile objects, e.g. clothing. The patent specification DE 20 2019 002 973 deals with UV disinfection for kitchens, in particular a special geometric arrangement for disinfecting kitchen sponges with UV radiation.

It is still the utility model DE 20 2019 003 728 U1 known, which describes a mobile mold removal device, which works on the basis of UV radiation.

However, these industrial property rights cannot easily disinfect touchscreens before each use in public areas or with multiple use, taking into account the safety requirements in the range of 200 - 300nm (no contact with the UV radiation from the skin and eyes).

goal

The aim of the invention is to disinfect touchscreens that are used by many different people with the aid of UV rays and / or to retrofit existing touchscreens where necessary, thereby destroying both germs, bacteria, fungi and viruses. The focus is also on protecting people from UV radiation.

The task is solved in that a rod with one or more internal UV lamps with a wavelength or a wave range between 200-300 nm is guided over the touchscreen. This can be done from top to bottom, from left to right or upside down. This is usually done by a drive. With every process, the surface is disinfected by UV radiation. The touchscreen can be switched off during the process. The rod with the UV lamps is guided from top to bottom and again from bottom to top or from left to right and again from right to left over a period of 2 - 90s. Several cycles could also take place at a higher speed. Only when the wand has finished its movement function is the touchscreen usually released again.

The UV lamps can have one or more plasma tubes or LEDs in the range between 200 - 300nm.

The rod with the internal LEDs can be controlled by electronics that are located on the touchscreen. This electronics can control the rod in terms of speed, intensity and number of cycles. This control can either be changed according to a specification based on experience or scientific knowledge, or manually.

It is also possible for the movement and irradiation parameters of the LEDs to be set via a remote data connection, for example if new findings or investigations are available after a certain period of time. It is important that no harmful radiation penetrates outside. Therefore, appropriate brushes or a frame can be attached to the edge of the rod. There is a short distance between the rod and the screen, so that no UV radiation penetrates outside. The distance is usually 0.5 - 5mm. Usually 1-2mm is used.

Possible applications include restaurants or other sales facilities where goods can be ordered using the touchscreen. When the person has completed the order, the touchscreen becomes unusable for a short time and the described stick with the UV LEDs moves across the screen. The touchscreen can then be used by the next customer. Furthermore, materials or coatings are used for the surface of the touchscreen that are UV-compatible in the range of 200 - 300nm.

The arrangement is shown with a drawing.

Legend for drawing 1

1

- touchscreen device

2nd

- UV LEDs

3rd

- Stick with UV LEDs

4th

- controls

5

- drive

QUOTES INCLUDE IN THE DESCRIPTION

This list of documents listed by the applicant has been generated automatically and is only included for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Patent literature cited

• DE 102016013087 A1 [0004]
• DE 69912849 T2 [0005]
• DE 202012102250 U1 [0006]
• DE 202017100914 U1 [0006]
• DE 202018103840 [0006]
• DE 202019002973 [0006]
• DE 202019003728 U1 [0007]

Claims (7)

Protection claim arrangement for the disinfection of touch screens, characterized in that on the touch screen there is a movable rod with one or more internal UV lamps in the range between 200 to 300 nm, which is able to move from top to bottom and back, or from right to left and back to move. Protection claim arrangement according to point 1, characterized in that the UV emitter LEDs are in the range between 200-300nm. Protection claim arrangement according to items 1 and 2, characterized in that electronics for regulating the intensity and the speed and / or the number of movement cycles for disinfection is present. Protection claim arrangement according to item 1 to 3, characterized in that electronics for regulating the intensity and the speed and / or the number of movement cycles for disinfection is present. Protection claim arrangement according to item 1 to 4, characterized in that a power supply for the movement drive and the UV LEDs and the sensors is available. Protection claim arrangement according to item 1 to 5, characterized in that a spacer frame or brushes are applied to the bar with the UV LEDs, so that these seal tightly with the surface of the touchscreen or have a distance of less than 10 mm from the touchscreen surface. Protection claim arrangement according to items 1 to 6, characterized in that the surface of the touch screen consists of a material or a coating which is radiation-resistant in the range from 200 to 300 nm.

Images