DE102020205986A1 - Fan for air disinfection - Google Patents
Fan for air disinfection Download PDFInfo
- Publication number
- DE102020205986A1 DE102020205986A1 DE102020205986.1A DE102020205986A DE102020205986A1 DE 102020205986 A1 DE102020205986 A1 DE 102020205986A1 DE 102020205986 A DE102020205986 A DE 102020205986A DE 102020205986 A1 DE102020205986 A1 DE 102020205986A1
- Authority
- DE
- Germany
- Prior art keywords
- light sources
- rotor
- fan
- stator
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004659 sterilization and disinfection Methods 0.000 title 1
- 241000894006 Bacteria Species 0.000 description 7
- 241000700605 Viruses Species 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet radiation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
Bei einem Ventilator (1) mit einem Rotor (2) zur Erzeugung eines Luftstroms (5) und mit einem Stator (6), der mindestens eine Durchgangsöffnung (7) zur Hindurchführung des Luftstroms (5) aufweist, sind an dem Rotor (2) und/oder an dem Stator (6) UV-Lichtquellen (10) angeordnet, die UV-Licht in den Luftstrom (5) abstrahlen.In the case of a fan (1) with a rotor (2) for generating an air flow (5) and with a stator (6) which has at least one passage opening (7) for the passage of the air flow (5), on the rotor (2) and / or arranged on the stator (6) UV light sources (10) which emit UV light into the air stream (5).
Description
Die vorliegende Erfindung betrifft einen Ventilator mit einem Rotor zur Erzeugung eines Luftstroms und mit einem Stator, der mindestens eine Durchgangsöffnung zur Hindurchführung des Luftstroms aufweist.The present invention relates to a fan with a rotor for generating an air flow and with a stator which has at least one passage opening for the passage of the air flow.
Die Verwendung von Ventilatoren zur Kühlung oder zum Trocknen ist aus dem Stand der Technik bekannt. Der Rotor eines Ventilators umfasst hierbei insbesondere ein Laufrad, wobei die Luft in einer Richtung parallel zur Drehachse des Laufrads strömt. Der Stator umfasst insbesondere einen Halter, wie zum Beispiel einen Ständer oder ein Gehäuse, an dem der Rotor angeordnet ist.The use of fans for cooling or for drying is known from the prior art. The rotor of a fan comprises in particular an impeller, the air flowing in a direction parallel to the axis of rotation of the impeller. In particular, the stator comprises a holder, such as, for example, a stator or a housing, on which the rotor is arranged.
Es ist Aufgabe der vorliegenden Erfindung, einen Ventilator bereitzustellen, der zusätzlich zu den oben genannten Funktionen eine Luftdesinfektion bewirkt.It is the object of the present invention to provide a fan which, in addition to the functions mentioned above, disinfects the air.
Diese Aufgabe wird bei dem eingangs genannten Ventilator erfindungsgemäß dadurch gelöst, dass an dem Rotor und/oder an dem Stator UV-Lichtquellen angeordnet sind, die UV-Licht in den Luftstrom abstrahlen.In the case of the ventilator mentioned at the outset, this object is achieved according to the invention in that UV light sources are arranged on the rotor and / or on the stator, which emit UV light into the air flow.
Erfindungsgemäß wird das UV-Licht in räumlicher Nähe des Ventilators, also der kinematischen Energie, in den Luftstrom eingebracht. Die Durchgangsöffnungen des Stators umfassen insbesondere Gitteröffnungen, zum Beispiel von Schutzgittern, Düsenöffnungen, und/oder eine Durchgangsöffnung zur Aufnahme des Rotors. Die Luft strömt durch diese Durchgangsöffnungen hindurch und am Rotor entlang. Das von den UV-Lichtquellen emittierte ultraviolette (UV)-Licht tötet Bakterien/Viren in dem Luftstrom ab. Dadurch ist die aus dem Ventilator herausströmende Luft von Bakterien/Viren desinfiziert. Die UV-Lichtquellen können einreihig oder mehrreihig, z.B. in Kettenanordnung, angeordnet sein. Die Lichtquellen werden durch den Luftstrom gekühlt. Der von der UV-Strahlung erfasste Raumbereich wird durch die Geometrie des Ventilators, insbesondere durch die Form der Durchgangsöffnungen, begrenzt.According to the invention, the UV light is introduced into the air flow in the spatial vicinity of the fan, that is to say the kinematic energy. The through openings of the stator include, in particular, grid openings, for example of protective grids, nozzle openings, and / or a through opening for receiving the rotor. The air flows through these through openings and along the rotor. The ultraviolet (UV) light emitted by the UV light sources kills bacteria / viruses in the air stream. As a result, the air flowing out of the fan is disinfected from bacteria / viruses. The UV light sources can be arranged in a single row or in multiple rows, for example in a chain arrangement. The light sources are cooled by the air flow. The spatial area covered by the UV radiation is limited by the geometry of the fan, in particular by the shape of the passage openings.
Bevorzugt sind die UV-Lichtquellen an Flügeln des Rotors angeordnet. Die gesamte durch den Ventilator hindurchtretende Luft strömt unmittelbar oder mit geringem Abstand an den Flügeln vorbei, so dass Bakterien/Viren von dem UV-Licht mit vergleichsweise hoher Intensität bestrahlt und dabei abgetötet werden. Insbesondere bewirken Schleifkontakte am Innendurchmesser der sich drehenden Rotorwelle eine statorseitige Stromversorgung der UV-Lichtquellen.The UV light sources are preferably arranged on the blades of the rotor. All of the air passing through the fan flows past the wings either directly or at a small distance, so that bacteria / viruses are irradiated by the UV light with a comparatively high intensity and are killed in the process. In particular, sliding contacts on the inside diameter of the rotating rotor shaft provide a stator-side power supply for the UV light sources.
Weiter bevorzugt sind die UV-Lichtquellen an einem Leitwerk des Stators, insbesondere an radial ausgerichteten, z.B. schaufelförmigen Leitwerkstreben, angeordnet. Das Leitwerk ist insbesondere an oder in einer Durchgangsöffnung des Stators, in der der Rotor angeordnet ist, in Richtung des Luftstroms eintrittsseitig oder austrittsseitig angeordnet.More preferably, the UV light sources are arranged on a tail unit of the stator, in particular on radially aligned, e.g., blade-shaped tail unit struts. The tail unit is in particular arranged on or in a passage opening of the stator in which the rotor is arranged, on the inlet side or on the outlet side in the direction of the air flow.
Eine bevorzugte Ausgestaltung der Erfindung ist dadurch gekennzeichnet, dass die Öffnungswand der Durchgangsöffnung reflektiv für das UV-Licht der UV-Lichtquellen ist, insbesondere spiegelnd wirkt. Durch diese Maßnahme wird die Weglänge des UV-Lichts im Ventilator erhöht, so dass mehr Bakterien/Viren abgetötet werden.A preferred embodiment of the invention is characterized in that the opening wall of the passage opening is reflective for the UV light of the UV light sources, in particular has a specular effect. This measure increases the path length of the UV light in the fan, so that more bacteria / viruses are killed.
Besonders vorteilhaft sind die UV-Lichtquellen am Rotor und/oder am Stator jeweils flächenbündig zu der Rotor- bzw. Statoroberfläche angeordnet bzw. eingelassen. So stehen die UV-Lichtquellen nicht über die Rotor- bzw. Statoroberfläche vor und bewirken keine Verwirbelungen des Luftstroms.The UV light sources are particularly advantageously arranged or embedded on the rotor and / or on the stator in each case flush with the rotor or stator surface. The UV light sources do not protrude beyond the rotor or stator surface and do not cause any turbulence in the air flow.
Der Wellenlängenbereich des abgestrahlten UV-Lichts liegt insbesondere zwischen 100 nm bis 280 nm, vorzugsweise bei 265-275 nm (UV-C-Licht).The wavelength range of the emitted UV light is in particular between 100 nm and 280 nm, preferably at 265-275 nm (UV-C light).
Vorzugsweise sind die UV-Lichtquellen durch UV-Leuchtdioden (LEDs) gebildet, die sich durch hohe Kompaktheit und Langlebigkeit auszeichnen.The UV light sources are preferably formed by UV light-emitting diodes (LEDs), which are characterized by a high degree of compactness and durability.
Der Ventilator weist bevorzugt eine Regeleinheit auf, welche die Intensität der UV-Lichtquellen in Abhängigkeit von Eigenschaften des Luftstroms insbesondere von der Strömungsgeschwindigkeit des Luftstroms, einstellt. Beispielsweise kann die Regeleinheit die Intensität in Abhängigkeit von der Drehzahl bzw. Stromstärke des Antriebsmotors einstellen. Je höher die Strömungsgeschwindigkeit des Luftstroms, desto größer kann die Intensität der UV-Lichtquellen eingestellt werden.The fan preferably has a control unit which adjusts the intensity of the UV light sources as a function of properties of the air flow, in particular the flow speed of the air flow. For example, the control unit can set the intensity as a function of the speed or current strength of the drive motor. The higher the flow speed of the air stream, the greater the intensity of the UV light sources can be set.
Weitere Vorteile und vorteilhafte Ausgestaltungen des Gegenstands der Erfindung sind der Beschreibung, der Zeichnung und den Ansprüchen entnehmbar. Ebenso können die vorstehend genannten und die noch weiter aufgeführten Merkmale je für sich oder zu mehreren in beliebigen Kombinationen Verwendung finden. Die gezeigte und beschriebene Ausführungsform ist nicht als abschließende Aufzählung zu verstehen, sondern haben vielmehr beispielhaften Charakter für die Schilderung der Erfindung.Further advantages and advantageous configurations of the subject matter of the invention can be found in the description, the drawing and the claims. The features mentioned above and those listed below can also be used individually or collectively in any combination. The embodiment shown and described is not to be understood as an exhaustive list, but rather have an exemplary character for describing the invention.
Es zeigen:
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1 eine Explosionsdarstellung eines erfindungsgemäßen Ventilators; und -
2 einen erfindungsgemäßen Ventilator mit einem Leitwerk.
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1 an exploded view of a fan according to the invention; and -
2 a fan according to the invention with a tail unit.
Der in
Zur Abtötung von Bakterien/Viren in dem Luftstrom
Der Ventilator
In
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020205986.1A DE102020205986B4 (en) | 2020-05-13 | 2020-05-13 | Fan for air disinfection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020205986.1A DE102020205986B4 (en) | 2020-05-13 | 2020-05-13 | Fan for air disinfection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE102020205986A1 true DE102020205986A1 (en) | 2021-11-18 |
| DE102020205986B4 DE102020205986B4 (en) | 2024-05-16 |
Family
ID=78280284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102020205986.1A Active DE102020205986B4 (en) | 2020-05-13 | 2020-05-13 | Fan for air disinfection |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE102020205986B4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230211038A1 (en) * | 2021-12-30 | 2023-07-06 | Koninklijke Philips N.V. | Portable sanitizer for airborn pathogens and method of operation thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030230477A1 (en) | 2002-06-14 | 2003-12-18 | Fink Ronald G. | Environmental air sterilization system |
| EP1870114A1 (en) | 2006-06-23 | 2007-12-26 | Global Engineering and Trade S.p.A. | Air purification device by means of photocatalytic reactions |
| US20090035177A1 (en) | 2007-06-26 | 2009-02-05 | Mcellen John J | Paddle fan medallion and methods for enhancement of room air quality |
| US20090117000A1 (en) | 2007-11-06 | 2009-05-07 | First Melvin W | Air Sterilization Apparatus |
| JP2019155261A (en) | 2018-03-12 | 2019-09-19 | 東芝ライテック株式会社 | Photocatalyst device |
-
2020
- 2020-05-13 DE DE102020205986.1A patent/DE102020205986B4/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030230477A1 (en) | 2002-06-14 | 2003-12-18 | Fink Ronald G. | Environmental air sterilization system |
| EP1870114A1 (en) | 2006-06-23 | 2007-12-26 | Global Engineering and Trade S.p.A. | Air purification device by means of photocatalytic reactions |
| US20090035177A1 (en) | 2007-06-26 | 2009-02-05 | Mcellen John J | Paddle fan medallion and methods for enhancement of room air quality |
| US20090117000A1 (en) | 2007-11-06 | 2009-05-07 | First Melvin W | Air Sterilization Apparatus |
| JP2019155261A (en) | 2018-03-12 | 2019-09-19 | 東芝ライテック株式会社 | Photocatalyst device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230211038A1 (en) * | 2021-12-30 | 2023-07-06 | Koninklijke Philips N.V. | Portable sanitizer for airborn pathogens and method of operation thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102020205986B4 (en) | 2024-05-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R012 | Request for examination validly filed | ||
| R016 | Response to examination communication | ||
| R016 | Response to examination communication | ||
| R018 | Grant decision by examination section/examining division | ||
| R020 | Patent grant now final |