EP1791650B1 - Dispositif pour pulveriser un fluide - Google Patents

Dispositif pour pulveriser un fluide Download PDF

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Publication number
EP1791650B1
EP1791650B1 EP05785743A EP05785743A EP1791650B1 EP 1791650 B1 EP1791650 B1 EP 1791650B1 EP 05785743 A EP05785743 A EP 05785743A EP 05785743 A EP05785743 A EP 05785743A EP 1791650 B1 EP1791650 B1 EP 1791650B1
Authority
EP
European Patent Office
Prior art keywords
fluid
container
atomization
atomized
control
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.)
Not-in-force
Application number
EP05785743A
Other languages
German (de)
English (en)
Other versions
EP1791650A1 (fr
Inventor
Gregor Dahlhoff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boga Gesellschaft fur Moderne Geratetechnik GmbH
Original Assignee
Boga Gesellschaft fur Moderne Geratetechnik GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Boga Gesellschaft fur Moderne Geratetechnik GmbH filed Critical Boga Gesellschaft fur Moderne Geratetechnik GmbH
Publication of EP1791650A1 publication Critical patent/EP1791650A1/fr
Application granted granted Critical
Publication of EP1791650B1 publication Critical patent/EP1791650B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/04Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
    • B05B17/06Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
    • B05B17/0607Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
    • B05B17/0615Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers spray being produced at the free surface of the liquid or other fluent material in a container and subjected to the vibrations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/081Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to the weight of a reservoir or container for liquid or other fluent material; responsive to level or volume of liquid or other fluent material in a reservoir or container

Definitions

  • the invention relates to a device for atomizing a fluid with a container for the fluid to be atomized, a spray, with which the fluid in the container is atomized and with an adjustment means with which the desired atomization rate is adjustable according to document GB-1 270 700 ,
  • Devices for atomizing a fluid of the aforementioned type are used, for example, for humidifying air.
  • Such humidifiers can be used, for example, to keep vegetables and fruits in refrigerated counters or in cold stores damp and so prevent drying out of the fruit and vegetables.
  • devices for atomizing a fluid can be used to displace air with a specific active substance.
  • the active ingredient can either be in liquid form and self-atomized or be dissolved in another liquid, for example water, in which case this solution is atomized by the device.
  • the atomization of active ingredients can also be used to keep fruit and vegetables fresh.
  • other fields of application are medical technology or the disinfection of rooms or equipment.
  • the present invention has for its object to improve a device for atomizing a fluid of the type mentioned so that the sputtering rate is regulated.
  • This object is achieved in that the atomization rate by means of the control or regulating means from the measured fluid level can be determined. With a setting the desired atomization rate is adjustable.
  • the fluid level is measured in the container.
  • a change in the fluid level in the container can be determined.
  • a change in the fluid volume can be determined from the change in the fluid level. Since the change in the fluid volume is dependent on the atomized volume of fluid, thereby the actual sputtering rate can be determined. This can then be compared with the desired sputtering rate to determine a control difference.
  • a device can have a conveying means with which the fluid to be atomized is conveyed from a storage container into the container.
  • the conveying means may be a pump.
  • a device according to the invention can have a second measuring means which measures the fill level in the storage container.
  • This second measuring means can be a level rod.
  • the atomized fluid can be removed in a device according to the invention.
  • a suitable means of transport is a fan or fan.
  • the atomization power i. H. the actual atomization rate will be displayed. It is also possible that also the desired sputtering rate or other data are displayed.
  • a device Via a communication means, a device according to the invention can feed and receive information about the sputtering process into a data network (BUS system, telephone data network, computer connection).
  • the communication means may be sockets or plugs and / or a modem.
  • a device may advantageously be the first measuring means an ultrasonic sensor or a laser, microwave, inductive, capacitive or optical sensor.
  • the atomizer is advantageously an ultrasonic generator.
  • the device according to the invention shown in Fig. 1 comprises a container 1, in which the fluid to be atomized is kept.
  • the device comprises an ultrasonic atomizer 3 which is provided on or in the bottom of the container 1.
  • the ultrasonic atomizer 3 has an external circuit 4, which is provided on a circuit carrier.
  • the ultrasonic atomizer 3 is supplied via the circuit 4 with a current and / or a voltage which is atomized to a desired extent, the fluid provided in the container 1.
  • the atomizing fluid accumulates above the level of the liquid in the container 1 and is blown out of the container 1 via a pipe 15 on a transport means 9, in this case a fan.
  • the device For controlling the atomization rate of the atomized by the ultrasonic atomizer 3 fluid, the device according to the invention comprises a control and / or regulating means 6, which is connected on the one hand to the wiring 4 of the ultrasonic atomizer 3 to provide control signals to the circuit 4, and on the other hand a first measuring means 2 is connected, with which the level of the fluid in the container 1 can be measured.
  • the first measuring means 2 is an ultrasonic distance sensor which is attached to the top of the container 1.
  • the mode of operation of the control is such that the level of the fluid in the container 1 is measured continuously or at discrete times via the first measuring means 2.
  • the signal corresponding to the level s of the fluid is supplied to the control and / or regulating means 6.
  • the sputtering rate V ⁇ ist is determined from the value for the filling level s in a computer unit S.
  • the change ⁇ is determined from which the actual sputtering rate V ⁇ can be determined without further ado with a known cross section of the container 1. For a container 1 having a uniform cross-section, it is sufficient to multiply the change of the filling level s with the cross-sectional area of the container.
  • the thus determined actual sputtering rate V ⁇ is then compared with the desired sputtering rate V ⁇ soll .
  • a regulator of the control and / or regulating means 6 determines the manipulated variable which is given to the circuit 4 of the ultrasonic atomizer. If the actual sputtering rate V ⁇ is too low, the power of the ultrasonic nebulizer 3 is increased, on the other hand, the actual sputtering rate is greater than the desired sputtering rate V ⁇ soll , the power of the ultrasonic nebulizer 3 is reduced by the controller.
  • the control and / or regulating means 6 is also connected to a display means 5, in which, for example, the actual sputtering rate is V ⁇ and / or the desired sputtering rate V ⁇ soll is displayed.
  • a setting means 7 which is connected to the control and / or regulating means 6, the desired value for the sputtering rate V ⁇ soll can be set.
  • Structurally different light emitting diodes 7a are connected to the adjusting means, with which the operating state of the device according to the invention can be displayed.
  • the device according to the invention has three interfaces 11, 12, 16 with which the device according to the invention can be connected to data networks.
  • the first interface 11 is a connection via which the device can be connected to a bus.
  • the second interface 12 is a socket, via which the device can be connected to a telephone network.
  • the terminal 12 is preceded by a modem 10.
  • a computer can be connected.
  • Both the modem 10 and the interfaces 11 and 16 are connected to the control and / or regulating means 6. With the interfaces 11, 12 and 16, it is possible to monitor the function of the device according to the invention from a distance or to control it remotely.
  • the device shown in Figure 1 Since only a finite volume of the fluid to be atomized is available in the container 1 and in order to prevent the device from running dry, fluid must be replenished at regular intervals or continuously.
  • new fluid is fed into the container 1 at regular intervals.
  • the device has a Pump 8, which sucks the fluid from a replaceable reservoir 13 via a so-called level rod 14 and conveys into the container 1.
  • the replaceable storage container 13 is a canister in which the leveling rod 14 can be inserted.
  • the leveling rod 14 is designed such that an advance warning is given via a connecting line to the control and / or regulating means at a low fluid level in the reservoir. At a still lower level of the fluid in the reservoir 13, a warning is finally given to the control and / or regulating means 6 by the level rod 14.
  • the warning should alert an operator to the impending change of the reservoir, the warning should eventually cause the operator to replace the reservoir 13.
  • the level in the container 1 is, in order to prevent dry running of the ultrasonic atomizer 3, monitored by the first measuring means 2.
  • the control and / or regulating means 6 activates the pump 8 in order to convey liquid from the storage container 13 into the container 1.
  • the fluid level in the container 1 is changed. This of course has an influence on the control of the atomization rate, which is based on the measurement of the level in the container 1. It is therefore necessary to take into account the amount of liquid pumped from the reservoir 13 into the container 1 in the control.
  • the regulation for the moment in which liquid is pumped from the reservoir 13 into the container 1 be switched off. Since the liquid transport from the reservoir 13 in the container 1 lasts only briefly, has a shutdown of the scheme the sputtering rate does not affect the practicality of the device according to the invention.

Landscapes

  • Special Spraying Apparatus (AREA)
  • Nozzles (AREA)

Claims (12)

  1. Dispositif de vaporisation d'un fluide
    - comprenant un récipient (1) pour le fluide à vaporiser ;
    - comprenant un premier moyen de mesure qui permet de mesurer le niveau de fluide dans le récipient (2) ;
    - comprenant un moyen de commande et/ou de régulation (6) qui permet de réguler le taux de vaporisation (Vist) ;
    - comprenant un moyen de vaporisation (3) avec lequel le fluide qui se trouve dans le récipient (1) peut être vaporisé ;
    - comprenant un moyen d'adapter qui permet d'adapter le taux de vaporisation souhaité (Vsoll) (7), caractérisé en ce que le taux de vaporisation peut être déterminé à l'aide du moyen de commande et/ou de régulation (6) à partir du niveau de fluide (s) mesuré.
  2. Dispositif selon la revendication précédente, caractérisé en ce qu'un moyen de transport (8) transport le fluide à vaporiser d'un réservoir (13) dans le récipient (1).
  3. Dispositif selon la revendication 2, caractérisé en ce que le moyen de transport (8) est une pompe.
  4. Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'un deuxième moyen de mesure (14) mesure le niveau dans le réservoir (13).
  5. Dispositif selon la revendication 4, caractérisé en ce que le deuxième moyen de mesure (14) est une jauge de niveau.
  6. Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'un moyen de transport (9) évacue le fluide vaporisé.
  7. Dispositif selon la revendication 6, caractérisé en ce que le moyen de transport (9) est un ventilateur.
  8. Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'un moyen indicateur (5) indique la puissance de vaporisation.
  9. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le dispositif conforme à l'invention présente au moins un moyen de communication .
  10. Dispositif selon la revendication 9, caractérisé en ce que le moyen de communication est un modem ou une interface vers un système de bus.
  11. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le premier moyen de mesure (2) est un capteur à ultrasons.
  12. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le moyen de vaporisation (3) est un générateur d'ultrasons.
EP05785743A 2004-09-15 2005-09-10 Dispositif pour pulveriser un fluide Not-in-force EP1791650B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004045053A DE102004045053A1 (de) 2004-09-15 2004-09-15 Vorrichtung zur Zerstäubung eines Fluides
PCT/EP2005/009745 WO2006029777A1 (fr) 2004-09-15 2005-09-10 Dispositif pour pulveriser un fluide

Publications (2)

Publication Number Publication Date
EP1791650A1 EP1791650A1 (fr) 2007-06-06
EP1791650B1 true EP1791650B1 (fr) 2008-01-23

Family

ID=35241334

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05785743A Not-in-force EP1791650B1 (fr) 2004-09-15 2005-09-10 Dispositif pour pulveriser un fluide

Country Status (5)

Country Link
US (1) US7631815B2 (fr)
EP (1) EP1791650B1 (fr)
AT (1) ATE384584T1 (fr)
DE (2) DE102004045053A1 (fr)
WO (1) WO2006029777A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2899135B1 (fr) * 2006-03-28 2008-06-20 Areco Finances Et Technologie Procede optimise de pulverisation de liquide et dispositif de pulverisation de liquide pour la mise en oeuvre de ce procede
DE102007010808A1 (de) 2007-03-02 2008-09-04 Boga GmbH Gesellschaft für moderne Gerätetechnik Fluidzerstäubungsvorrichtung
DE102009053322B4 (de) 2009-11-17 2019-10-17 Endo-Technik Wolfgang Griesat Gmbh Vorrichtung zur Steuerung des Laufes einer Peristaltikpumpe

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1103522B (de) 1957-10-24 1961-03-30 Transform Roentgen Matern Veb Abatmungseinrichtung fuer mittels Ultraschall erzeugte Aerosole
US3490697A (en) * 1968-01-24 1970-01-20 J J Monaghan Co Inc Ultrasonic nebulizer
US4961885A (en) * 1989-11-24 1990-10-09 Elecsys Ltd. Ultrasonic nebulizer
JPH0640985B2 (ja) * 1992-04-30 1994-06-01 株式会社ロブテックス 超音波霧化装置
US5653389A (en) * 1995-09-15 1997-08-05 Henderson; Graeme W. Independent flow rate and droplet size control system and method for sprayer
DE29818765U1 (de) * 1997-11-18 1999-01-21 Ionto-Comed GmbH, 76344 Eggenstein-Leopoldshafen Flüssigkeitszerstäuber für medizinische und kosmetische Zwecke
SE9900369D0 (sv) * 1999-02-04 1999-02-04 Siemens Elema Ab Ultrasonic nebuliser
JP2001353221A (ja) * 2000-06-16 2001-12-25 Omron Corp 超音波霧化装置
US7201163B2 (en) * 2002-01-09 2007-04-10 The Brigham And Women's Hospital, Inc. Method for altering the body temperature of a patient using a nebulized mist
DE20211577U1 (de) * 2002-07-15 2003-11-27 Bolte, Georg, Dr. Vorrichtung zur kontrollierten Erzeugung von Aerosolen

Also Published As

Publication number Publication date
US7631815B2 (en) 2009-12-15
ATE384584T1 (de) 2008-02-15
WO2006029777A1 (fr) 2006-03-23
DE102004045053A1 (de) 2006-03-30
DE502005002693D1 (de) 2008-03-13
US20070187526A1 (en) 2007-08-16
EP1791650A1 (fr) 2007-06-06

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