EP1341615B1 - Ultraschallzerstäuber - Google Patents
Ultraschallzerstäuber Download PDFInfo
- Publication number
- EP1341615B1 EP1341615B1 EP01991768A EP01991768A EP1341615B1 EP 1341615 B1 EP1341615 B1 EP 1341615B1 EP 01991768 A EP01991768 A EP 01991768A EP 01991768 A EP01991768 A EP 01991768A EP 1341615 B1 EP1341615 B1 EP 1341615B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- substrate board
- substrate panel
- ultrasonic
- substrate
- ultrasonic atomizer
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus 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
- B05B17/0607—Apparatus 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
- B05B17/0638—Apparatus 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 by discharging the liquid or other fluent material through a plate comprising a plurality of orifices
- B05B17/0646—Vibrating plates, i.e. plates being directly subjected to the vibrations, e.g. having a piezoelectric transducer attached thereto
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F75/00—Hand irons
- D06F75/08—Hand irons internally heated by electricity
- D06F75/22—Hand irons internally heated by electricity with means for supplying liquid to the article being ironed
Definitions
- the invention relates to an ultrasonic atomizer for production of a liquid spray.
- Ultrasonic atomizers are used when the to generating spray mist high demands especially in relation distribution as homogeneous as possible or as possible good meterability. Possible areas of application are e.g. use in painting equipment, air humidification systems, medical devices - where a medical effective aerosol generated in a certain dosage - but also household appliances, such as Iron, for those to generate particularly good work success Ultrasonic atomizers are used to make a to generate water mist supporting the ironing process.
- EP 1 005 917 A1 describes an inhaler with an ultrasonic atomizer described. This consists of a first one and a second substrate, and a vibrator.
- the two substrates, as well as the vibrator are essentially three-dimensional, specially designed bodies.
- the first substrate, which is the outlet device for the atomized liquid is very important elaborately designed to the excited main vibration mode optimal support.
- the invention is therefore based on the object of an ultrasonic atomizer indicate which one is easy to manufacture, a favorable radiation behavior with regard to the generated Has spray mist and covers a wide range of applications.
- the task is performed by an ultrasonic atomizer solved with a piezoelectric transducer, at which the piezoelectric vibrator as a whole-surface table is formed and connected to a substrate board.
- the invention is Ultrasonic atomizer easy to manufacture because it is used to manufacture the essential components of which do not require any special manufacturing steps in which one or more components of the atomizer is a complicated three-dimensional geometric shape is given.
- Ultrasonic atomizer not limited to applications, where a relatively small amount of liquid is atomized shall be.
- Ultrasound atomizer understood a plate-like structure which are two flat, parallel interfaces having. Furthermore, this plate-like structure is said to be one have a small thickness compared to its length.
- a board is called the whole area if on one of the Interfaces two with respect to the center of gravity of the panel the opposite edge points always by a straight line Route are connectable, the routes completely in of the respective area. Minor irregularities on The edge of the respective interface should not be considered become.
- the substrate board advantageously has at least one recess on.
- the targeted geometric design of the recess in the substrate board allows to set the vibration modes of the Formed consisting of piezoelectric vibrator and thus connected substrate board.
- the working frequency of the ultrasonic atomizer targeted to a frequency range far from the hearing limit away to avoid acoustic impairments to avoid during operation.
- the variation in the size and geometric shape of the recess the substrate board also allows targeted influence to take on the size of the atomization process resulting liquid droplets.
- the geometry of the piezoelectric transducer represents the Variation of the geometry of the recess of the substrate plate one technically easy to accomplish task.
- the recess advantageously extends over the geometrical one Center of gravity of the substrate board with elliptical, circular or regular polynomial cross section of the substrate plate so about the center. This will make the adjustment to the desired vibration mode particularly easily.
- the piezoelectric vibrator and / or the substrate board formed as at least essentially round plates.
- the vibrations along the surface of the piezoelectric Schwingers especially homogeneous.
- the substrate board's job is to set certain vibration modes to stimulate or suppress is one in many Advantageous in terms of symmetrical shape of the substrate board, to achieve this effect as homogeneously as possible.
- round boards are easy to manufacture.
- Both the piezoelectric transducer are advantageous as well as the substrate board as a round board, the substrate panel having a central hole.
- there is a middle one Hole can be easily made as a recess in the substrate board.
- Steel is a material that can be easily procured or manufactured is. Furthermore, a large number of simple ones and easy processing options for steel.
- the piezoelectric vibrator on the substrate board is advantageous glued on, especially the transducer and substrate board largely glued together.
- An adhesive connection is easy to produce and offers at Ultrasonic atomizer according to the invention the advantage that at the most homogeneous distribution of the adhesive layer in comparison the vibrations of the piezoelectric transducer connected to the substrate panel be little affected.
- the substrate board has at least one hole and this is closed by at least one aid.
- the aid has a thickness which is clear is below the thickness of the substrate board.
- Closing the hole in the substrate board with a tool offers the advantage that the especially in operation without Liquid heat generated by the piezoelectric vibrator can be dissipated more easily because the heat on the with aids in contact with the piezoelectric vibrator passes over and is distributed over its surface. If the surface of the aid is at least somewhat larger than the cross section of the hole, the heat input is improved, because the surface of the aid is directly related to the environment communicates. In operation with liquid offers the aid also has the advantage of corrosion protection of the piezoelectric transducer when the feed the liquid to be atomized from that facing away from the transducer Side of the substrate board. Then she kicks no longer in direct contact with the surface of the piezoelectric Oscillator.
- the aid is advantageously a plastic film and / or a paint and / or a metal foil.
- the ultrasonic atomizer in an iron is advantageous used to generate a spray.
- the substrate board 12 has a recess 14 center hole. Both the piezoelectric vibrator 10 as well as the substrate board 12 are in this embodiment designed as round plates.
- the piezoelectric vibrator 10 and the substrate panel 12 form a sandwich arrangement and are preferably glued together flat.
- the one to be atomized This sandwich arrangement is on a liquid Not shown in FIG 1 way can be supplied.
- the substrate board 12 has through openings 16, through which, when operating the ultrasonic atomizer, the one to be atomized or pass through already atomized liquid can.
- the recess 14 of the substrate board 12 can be of geometrical sizes such as. Target length, width, area or diameter be designed so that the one is not closer shown excitation device consisting of excited unit with piezoelectric vibrator 10 and substrate board 12 with a desired working frequency swings.
- FIG. 2 shows a side view of FIG. 1 along the section II-II.
- the passage openings 16 are of a perforated film 18, which is perforated in the present exemplary embodiment Ring disc is covered.
- the not shown Holes in the perforated film 18 preferably have a diameter of approx. 50 ⁇ m. The purpose of these holes is that no liquid can pass through it if the ultrasonic atomizer is not actuated, i.e. the piezoelectric Transducer is not excited.
- the perforated film 18 is preferably glued flat to the substrate board 12.
- FIG. 3 shows an ultrasonic atomizer 19. This is connected with a tank housing 29, which consists of two by one Partition 31 separate rooms (30, 32). In both There is clearing during the operation of the ultrasonic atomizer 16 liquid 34.
- the liquid in the working space 32 is the one which the next time you press a button, not shown Actuator of the ultrasonic atomizer 16 is used for atomization. A particularly good atomization result is obtained if one is possible in the work area 32 even distribution of pressure in the liquid prevails.
- liquid from the storage room 30 are specifically transported to the work area 32 to be there occurring during the operation of the ultrasonic atomizer 16 Compensate for pressure fluctuations in the liquid.
- the ultrasonic atomizer 19 further comprises an entire surface piezoelectric vibrator 20, which on a substrate board 22, which in the present embodiment is designed as a disc, is glued on.
- the substrate board 22 has a central hole, which with a Aid 35, for example closed with a varnish is.
- the thickness of the aid 35 should be compared to the thickness the substrate board 22 be small.
- the substrate panel 22 also has passage openings 26, which with a annular perforated film 28 or a porous washer are.
- the tool 35 with which the central hole of the substrate board is closed, then especially improves the Heat dissipation of the piezoelectric vibrator 20 when there is no liquid 34 in the tank housing 29 and the ultrasonic atomizer 19 is operated anyway. Furthermore offers closing the central hole of the substrate board by means of the aid 35 the advantage that the forces which on the border between piezoelectric vibrator and Substrate board occur, are reduced and so the sensitivity to breakage is reduced.
- the iron 40 includes an ultrasonic atomizer, which is fed with liquid from a tank housing 46 and a perforated film 54, a substrate board 52 and a piezoelectric Contains transducer 48.
- the piezoelectric Vibrator 48 is connected via a connecting line 50 from one Excitation device, not shown, controlled and closed Vibrations stimulated.
- the ultrasonic atomizer or at least its excitation device is also not one Actuator shown actuates what to swing of the piezoelectric vibrator 48 leads.
- Vibrations form in the tank housing 46 near the piezoelectric vibrator 48 or the substrate board 52 Water droplets that are small enough to not pass through holes of perforated film 54 to pass through. The water droplets can then pass through the openings of the substrate board 52 and are passed through the openings 44 of the soleplate 42 in the direction of the ironing Ejected good things.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Special Spraying Apparatus (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Surgical Instruments (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Transducers For Ultrasonic Waves (AREA)
Description
- FIG
- 1 eine Draufsicht eines piezoelektrischen Schwingers, der mit einer Substrat-Tafel verbunden ist,
- FIG 2
- eine Seitenansicht des in FIG 1 dargestellten, mit einer Substrat-Tafel verbundenen piezoelektrischen Schwingers,
- FIG 3
- einen Längsschnitt durch einen Ultraschallzerstäuber und
- FIG 4
- eine Explosions-Zeichnung eines elektrischen Bügeleisens mit einem Ultraschallzerstäuber.
Claims (9)
- Ultraschallzerstäuber (19) mit einem piezoelektrischen Schwinger (10) und mit einer Substrat-Tafel (12), wobei der piezoelektrische Schwinger (10) als ganzflächige Tafel ausgebildet und mit der Substrat-Tafel (12) flächig verbunden ist,
dadurch gekennzeichnet, dass
die Substrat-Tafel (12) wenigstens eine Aussparung (14) in Form eines Lochs aufweist. - Ultraschallzerstäuber (19) nach Anspruch 1,
dadurch gekennzeichnet, dass
der piezoelektrische Schwinger (10) und/oder die Substrat-Tafel (12) als wenigstens im Wesentlichen runde Tafeln (12) ausgebildet sind. - Ultraschallzerstäuber (19) nach Anspruch 2,
dadurch gekennzeichnet, dass
der piezoelektrische Schwinger (10) und die Substrat-Tafel (12) als jeweils runde Tafel ausgebildet sind und die Substrat-Tafel (12) ein mittiges Loch aufweist. - Ultraschallzerstäuber (19) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Substrat-Tafel (12) aus Stahl besteht.
- Ultraschallzerstäuber (19) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der piezoelektrische Schwinger (10) auf die Substrat-Tafel (12) aufgeklebt ist.
- Ultraschallzerstäuber (19) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Substrat-Tafel (12) wenigstens ein Loch aufweist, welches durch mindestens ein Hilfsmittel (35) geschlossen ist.
- Ultraschallzerstäuber (19) nach Anspruch 6,
dadurch gekennzeichnet, dass
das Hilfsmittel (35) eine Kunststofffolie und/oder ein Lack und/oder eine Metallfolie ist. - Verwendung eines Ultraschallzerstäubers (19) nach einem der Ansprüche 1 bis 7 in einem Bügeleisen (40) zur Erzeugung eines Sprühnebels.
- Bügeleisen (40) mit einem Ultraschallzerstäuber (19) nach einem der Ansprüche 1 bis 7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01991768A EP1341615B1 (de) | 2000-12-13 | 2001-11-29 | Ultraschallzerstäuber |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00127359A EP1214986A1 (de) | 2000-12-13 | 2000-12-13 | Ultraschallzerstäuber |
EP00127359 | 2000-12-13 | ||
PCT/EP2001/013983 WO2002047828A1 (de) | 2000-12-13 | 2001-11-29 | Ultraschallzerstäuber |
EP01991768A EP1341615B1 (de) | 2000-12-13 | 2001-11-29 | Ultraschallzerstäuber |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1341615A1 EP1341615A1 (de) | 2003-09-10 |
EP1341615B1 true EP1341615B1 (de) | 2004-06-16 |
Family
ID=8170658
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00127359A Withdrawn EP1214986A1 (de) | 2000-12-13 | 2000-12-13 | Ultraschallzerstäuber |
EP01991768A Expired - Lifetime EP1341615B1 (de) | 2000-12-13 | 2001-11-29 | Ultraschallzerstäuber |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00127359A Withdrawn EP1214986A1 (de) | 2000-12-13 | 2000-12-13 | Ultraschallzerstäuber |
Country Status (6)
Country | Link |
---|---|
US (1) | US20040256482A1 (de) |
EP (2) | EP1214986A1 (de) |
JP (1) | JP2004515353A (de) |
AT (1) | ATE269167T1 (de) |
DE (1) | DE50102639D1 (de) |
WO (1) | WO2002047828A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE463304T1 (de) * | 2002-08-02 | 2010-04-15 | Pari Pharma Gmbh | Vorrichtung zur erzeugung von flüssigkeitströpfchen |
US7517568B2 (en) * | 2004-03-23 | 2009-04-14 | The Clorox Company | Packaging for dilute hypochlorite |
ATE491491T1 (de) * | 2004-06-09 | 2011-01-15 | Microflow Eng Sa | Verbessertes modulares flüssigkeitssprühsystem |
US20060251784A1 (en) * | 2005-05-03 | 2006-11-09 | Sells Joel M | Method for cooking meat using steam |
US20060251785A1 (en) | 2005-05-06 | 2006-11-09 | Stefania Fraccon | Method for cooking food using steam |
US20070227930A1 (en) * | 2006-03-28 | 2007-10-04 | Bromberg Steven E | Antimicrobial Product Combination |
US7867534B2 (en) | 2006-10-18 | 2011-01-11 | Whirlpool Corporation | Cooking appliance with steam generator |
US7789278B2 (en) * | 2007-04-12 | 2010-09-07 | The Clorox Company | Dual chamber aerosol container |
US8207477B2 (en) | 2007-11-26 | 2012-06-26 | Whirlpool Corporation | Method for cooking vegetables using steam |
EP2418318A1 (de) * | 2010-08-12 | 2012-02-15 | Koninklijke Philips Electronics N.V. | Bügeleisen mit Bekleidungsbefeuchtung mittels Flüssigkeit |
GB2485553B (en) | 2010-11-17 | 2014-01-22 | Richards Morphy N I Ltd | Electric iron with nozzle for water mist |
CA2834171C (en) | 2011-05-13 | 2019-07-30 | Unilever Plc | Spraying device |
CN102995370A (zh) * | 2012-10-30 | 2013-03-27 | 吴江新劲纺织有限公司 | 一种快速熨烫装置 |
CA159445S (en) | 2014-09-26 | 2015-06-09 | Richards Morphy N I Ltd | Iron |
JP2021520298A (ja) * | 2018-04-03 | 2021-08-19 | ▲広▼▲東▼▲東▼▲陽▼光▲薬▼▲業▼有限公司 | 微多孔霧化シート |
WO2023077295A1 (zh) * | 2021-11-03 | 2023-05-11 | 深圳摩尔雾化健康医疗科技有限公司 | 雾化装置及雾化器 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2855244A (en) * | 1955-06-03 | 1958-10-07 | Bendix Aviat Corp | Sonic liquid-spraying and atomizing apparatus |
SE349676B (de) * | 1971-01-11 | 1972-10-02 | N Stemme | |
AU553251B2 (en) * | 1981-10-15 | 1986-07-10 | Matsushita Electric Industrial Co., Ltd. | Arrangement for ejecting liquid |
US4545561A (en) * | 1982-07-30 | 1985-10-08 | Mcdonnell Douglas Corporation | Piezoelectric valve operator |
JPS61259779A (ja) * | 1985-05-14 | 1986-11-18 | Matsushita Electric Ind Co Ltd | 超音波霧化装置 |
DE3616713A1 (de) * | 1986-05-20 | 1987-11-26 | Siemens Ag | Ultraschall-mhz-schwinger, insbesondere zur fluessigkeitszerstaeubung |
US5518179A (en) * | 1991-12-04 | 1996-05-21 | The Technology Partnership Limited | Fluid droplets production apparatus and method |
IT1271969B (it) * | 1993-03-04 | 1997-06-10 | Mario Bonzi | Dispositivo per la umidificazione ed ionizzazione dell'aria |
GB9412669D0 (en) * | 1994-06-23 | 1994-08-10 | The Technology Partnership Plc | Liquid spray apparatus |
JPH0824739A (ja) | 1994-06-29 | 1996-01-30 | Siemens Ag | 超音波噴霧器 |
DE19735214C2 (de) * | 1996-08-24 | 1998-07-09 | Rowenta Werke Gmbh | Elektrisches Bügeleisen mit einer Bügelsohle |
PT1005917E (pt) | 1998-12-01 | 2007-02-28 | Microflow Eng Sa | Inalador com nebulizador de ondas ultrasónicas com aberturas de bocal sobrepostas em picos de um padrão de ondas estacionárias |
GB9903433D0 (en) * | 1999-02-15 | 1999-04-07 | The Technology Partnership Plc | Droplet generation method and device |
US6382522B2 (en) * | 1999-03-08 | 2002-05-07 | S. C. Johnson & Son, Inc. | Attachment method for piezoelectric elements |
FR2816963B1 (fr) * | 2000-11-22 | 2003-01-24 | Rowenta Werke Gmbh | Fer a repasser sans cordon avec atomiseur d'eau piezo-electrique |
-
2000
- 2000-12-13 EP EP00127359A patent/EP1214986A1/de not_active Withdrawn
-
2001
- 2001-11-29 WO PCT/EP2001/013983 patent/WO2002047828A1/de active IP Right Grant
- 2001-11-29 JP JP2002549390A patent/JP2004515353A/ja not_active Withdrawn
- 2001-11-29 DE DE50102639T patent/DE50102639D1/de not_active Expired - Lifetime
- 2001-11-29 EP EP01991768A patent/EP1341615B1/de not_active Expired - Lifetime
- 2001-11-29 AT AT01991768T patent/ATE269167T1/de not_active IP Right Cessation
-
2003
- 2003-06-13 US US10/461,912 patent/US20040256482A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1341615A1 (de) | 2003-09-10 |
US20040256482A1 (en) | 2004-12-23 |
EP1214986A1 (de) | 2002-06-19 |
WO2002047828A1 (de) | 2002-06-20 |
ATE269167T1 (de) | 2004-07-15 |
DE50102639D1 (de) | 2004-07-22 |
JP2004515353A (ja) | 2004-05-27 |
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