EP2578744A1 - Appareil ménager générateur de vapeur, en particulier poste de repassage à la vapeur - Google Patents

Appareil ménager générateur de vapeur, en particulier poste de repassage à la vapeur Download PDF

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Publication number
EP2578744A1
EP2578744A1 EP12180701.0A EP12180701A EP2578744A1 EP 2578744 A1 EP2578744 A1 EP 2578744A1 EP 12180701 A EP12180701 A EP 12180701A EP 2578744 A1 EP2578744 A1 EP 2578744A1
Authority
EP
European Patent Office
Prior art keywords
steam
water
iron
valve
pump
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.)
Withdrawn
Application number
EP12180701.0A
Other languages
German (de)
English (en)
Inventor
Hermanus Kodden
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete 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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2578744A1 publication Critical patent/EP2578744A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • D06F75/12—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water supplied to the iron from an external source
    • 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
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • D06F75/14—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water in a reservoir carried by the iron
    • D06F75/16—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water in a reservoir carried by the iron the reservoir being heated to produce the steam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
    • F22B1/282—Methods of steam generation characterised by form of heating method in boilers heated electrically with water or steam circulating in tubes or ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
    • F22B1/284—Methods of steam generation characterised by form of heating method in boilers heated electrically with water in reservoirs
    • F22B1/285—Methods of steam generation characterised by form of heating method in boilers heated electrically with water in reservoirs the water being fed by a pump to the reservoirs

Definitions

  • the invention relates to a steam-generating household appliance, with a water tank, a steam generator and a suitable for conveying water from the water storage to the steam generator first conveyor, as well as with an opening out of the steam generator steam line and a bypass line, by means of which the steam line water from the water reservoir using a second conveyor can be fed. It also relates to an iron connectable to a steam ironing station for drawing steam therefrom.
  • An iron equipped with a steam generator is from the European patent EP 1 045 932 B1 known.
  • the iron described there consists of a housing which with its underside the heated sole plate of Picks up iron.
  • the temperature of the sole plate is adjustable via a temperature selector and is measured by means of a temperature sensor resting on the soleplate.
  • a control unit compares setpoint and actual value of the temperature and regulates this to the set value.
  • a water tank is further arranged, from which, if necessary, can be removed by means of a pump water and fed through a hose connection in a steam generator.
  • the steam generator consists of a chamber located above the sole plate which is heated by the soleplate. The water evaporates in the steam generator and escapes through steam outlet openings in the sole plate down in the direction of the ironing.
  • This training can be very expensive equipment.
  • the iron for transmitting the water vapor must always be placed on the heatable tank station.
  • the condensation of the transmitted water vapor may also require a considerable amount of time to stock a significant amount of distilled water in the iron.
  • the steam generated thereby is supplied through a flexible steam line of the heated soleplate of the iron and occurs when smoothing the textiles through steam outlet openings in the soleplate.
  • a second conveying device in the form of a second mechanical feed pump is arranged in a bypass line leading directly from the water reservoir to the steam line, through which additional water can be supplied to the steam provided by the steam generator to increase the steam moisture.
  • the steam ironing station is further equipped with an electronic control, which is activated by an operating device in the form of a switch disposed on the handle of the iron switch and controls the two feed pumps.
  • the publication DE 100 25 233 A1 describes a steam iron with a Dampfbefeuchtungs 2015, through which water is admixed to the guided from a vaporization chamber via a steam opening to the piece of iron to be ironed steam.
  • this steam moistening device has an atomizer, preferably in the form of a Venturi nozzle, through which the water can be supplied to the vapor from the vaporization chamber in atomized form.
  • the ironing device from the published patent application EP 1 835 067 A1 has an evaporation chamber and a control unit that supplies water to the iron by controlling a pump to deliver a quantity of water as soon as a temperature of the soleplate is sufficient to achieve the evaporation of that water.
  • the ironing apparatus further includes one or more additional containers containing additive liquids that may be sprayed into a water or steam line to be distributed via a spray atomizer over the vaporization chamber.
  • the ironing apparatus has a Venturi system, which allows one of the stored liquids in the additional containers to generate a vacuum circuit on a steam circuit.
  • the invention has for its object, with little design effort, a steam-generating household appliance, in particular a steam ironing station to provide, in which over a long period of time without interruption steam is generated with a relatively high vapor humidity.
  • the steam-generating household appliance should be simple and inexpensive in construction and can be handled easily and intuitively.
  • the invention is also based on the object to provide an improved iron with these advantages.
  • the solution of the object is achieved by a steam-generating domestic appliance, from claim 1, a system of steam ironing station and iron of claim 9 and a steam iron of claim 10.
  • the second conveyor is designed as a jet pump. With this design, steam can be provided with a high vapor humidity without interruption with little equipment.
  • a jet pump is a pump in which the pumping action is generated by a fluid jet.
  • the preferred jet pump is a steam jet pump in which the pumping action is thus generated by a steam jet, wherein the steam of the steam jet is preferably obtained from the steam line. In the preferred steam jet pump so the steam is used to promote the water that is supplied to him.
  • the preferred jet pump is a venturi injector.
  • a Venturi injector consists of a funnel-shaped constriction in a tube cross-section with a subsequent slim-conical extension to the original diameter (Venturi nozzle). In the area of the cross-sectional constriction, an acceleration of the flow, which has a negative pressure result. This negative pressure can be used for conveying purposes by means of a suction line which opens in the area of the narrowest cross section.
  • Such a conveyor has no mechanically moving components and therefore is robust, maintenance-free and of a particularly simple and inexpensive construction.
  • the solution of the invention task also succeeds with a steam iron, which is connectable to a steam ironing station to obtain from this steam, the steam iron also has a water storage.
  • the first conveyor is designed as a mechanical feed pump.
  • a preferred feed pump can promote water from the water storage to the steam generator, regardless of or even against the pressure in the steam generator.
  • Suitable pumps are for example diaphragm pumps, gear pumps or vane pumps.
  • the mechanical feed pump is electrically operated.
  • Such pumps can be more comfortable than manually operated pumps and thereby increase the ease of use.
  • suitable electrically operated pumps are relatively inexpensive available on the market.
  • a first valve particularly preferably an electrically actuated valve, particularly preferably a 2/2-way valve
  • a second valve particularly preferably an electrically actuated valve, particularly preferably a 2/2-way valve
  • the preferred valves are check valves, so valves, the only two positions, open and closed, know.
  • valves which, in addition to the blocking function, also provide an adjustment of the flow rate of steam or water.
  • first valve can be actuated by a first operating device and / or the second valve by a second operating device.
  • the user of the household appliance can thereby safely and selectively the currents to the jet pump influence and adapt to his needs.
  • the operating device may be, for example, a switch, preferably a push-button switch.
  • the first valve and / or the second valve and / or the first operating device and / or the second operating device and / or the first conveyor and / or the resistance heating of the water reservoir are operatively connected to a preferably electronic control.
  • the controller can prevent incorrect operation and even allow automatic operation of the steam-generating household appliance with appropriate design.
  • the household appliance is a steam ironing station with a steam line opening into the iron, since the continuous provision of steam of sufficient moisture is particularly advantageous for achieving a satisfactory ironing result.
  • the first and / or second operating device are arranged on the handle of the iron.
  • the domestic appliance can also be designed as a steam cleaner or the like.
  • the water reservoir is arranged above the jet pump.
  • “above” means that the water reservoir is seen in the direction of gravity above the jet pump. This advantageously ensures a particularly good and safe operation of the jet pump.
  • a water reservoir (referred to in the claims for distinguishing the water reservoir in the steam ironing station as a second water reservoir) and the jet pump in the steam iron are arranged.
  • the second valve which connects the jet pump with the water reservoir (now the second water reservoir), arranged in this embodiment of the invention in the iron.
  • the bypass line in the steam ironing station can therefore be omitted.
  • the construction of the household appliance can be simplified because now no control signal for the second valve sent to the steam ironing station must become.
  • Another advantage is that such an iron can be used with a conventional steam ironing station to provide steam. So it is no steam ironing station with jet pump required.
  • FIG. 1 illustrated, provided for manual operation and the connection to a steam ironing station iron 1 consists of a made of aluminum, flat and smooth base plate 2, which is applied for smoothing a textile or the like on this and from its top by an invisible, electrical resistance heating is heated.
  • the sole plate 2 is thermally insulated on a molded plastic injection molded housing 3 and provided with not shown steam outlet openings.
  • the housing 3 has a handle 4 on the upper side, which is encompassed by the hand of the operator during the ironing process.
  • the housing 3 further comprises a second water reservoir 5 for providing water for a spray nozzle 6 for selectively moistening the ironing stock, the pump is actuated by a arranged in the region of the handle 4 push button 7.
  • the housing 3 is provided with operating devices 8, 8 'for the adjustment of the steam generation and with an operating device 9 for the adjustment of the controlled by a thermostat ironing temperature.
  • a flexible, strand-shaped transmission means 10 opening into the housing 3 can be connected to the base unit of the steam ironing station 11, which supplies the heater and other electrical components of the iron 1 with electrical energy and the soleplate 2 with steam.
  • the associated steam ironing station 11 comprises a large-volume water storage 12, which can accommodate a sufficient amount of water for a longer ironing operation. Furthermore, a steam generator 13 is provided, which is connected to the water reservoir 12 via a pipe 14. In the pipe 14, a first conveyor 15 in the form of a mechanical, electrically operated feed pump 16 is arranged. The feed pump 16 is to provided and suitable to promote water from the water tank 12 in the steam generator 13 and against the pressure prevailing there.
  • the supplied water is heated by an electrical resistance heater 17 and the resulting, relatively dry steam via a steam line 18 in the direction of the iron 1.
  • the steam exiting the steam generator 13 can be blocked by a first valve 19.
  • a second delivery device 20 in the form of a jet pump 21 designed as a Venturi injector is arranged in the vapor line 18, through which the steam emerging from the steam generator 13 flows through along its axial flow channel.
  • the jet pump 21 has a Venturi nozzle with a funnel-shaped constriction of the flow channel, which is followed by a slim-conical extension. In the area of the cross-sectional constriction, an acceleration of the vapor flow takes place, which results in a negative pressure.
  • This negative pressure is inventively used by a radially in the region of the narrowest cross-section bypass line 22 to directly suck water from the water tank 12 and feed it into the iron 1 leading steam line 18.
  • the steam supplied to the iron 1 thereby has a greater humidity than the steam leaving the steam generator 13, which may have a positive influence on the ironing result.
  • the feed of water into the jet pump 21 can be interrupted by a second valve 23 which is provided in the bypass line 22 between the water reservoir 12 and the jet pump 21 and does not have to be designed pressure-resistant.
  • valves 19 and 23 are actuated independently using an electronic controller 24 by the operating devices 8 and 8 ', wherein the controller 24 is also operatively connected to the electric feed pump 16 and the electrical resistance heater 17.
  • 24 electrical lines 25 are provided on the control, which lead to the located in the handle 4 of the iron 1 operating devices 8, 8 '.
  • the lines 25 also provide the electrical components of the iron 1 with electrical energy.
  • Water tank 12, steam generator 13, the conveyors 15, 20, the valves 19, 23 and the controller 24 are arranged as a separate, stationary unit far from the iron 1 in a further housing 26, from which the steam line 18 and the electrical lines 25 open. At least the strands running between the housing 26 and the iron 1 strands of the steam line 18 and the electrical lines 25 are flexible and summarized in the transmission means 10, so that the handling of the iron 1 is not significantly affected by this.
  • the water reservoir 12 When operating the steam ironing station 11, first the water reservoir 12 is filled. A subset of this water is pumped by the feed pump 16 into the steam generator 13 and heated there by means of the electrical resistance heater 17. Once in the steam generator 13, a sufficient amount of steam has been generated and the soleplate 2 has reached its operating temperature, the user by pressing the control device 8 ', the valve 19 in the steam line 18 and open release the steam flow from the steam generator 13 to the iron 1.
  • the jet flowing through the steam generates a negative pressure in the bypass line 22, which by operating the control device 8 and the associated opening of the previously closed valve 23 in the bypass line 22 for direct suction of water from the water reservoir 12 into the steam line 18 and the associated Increase in steam humidity can be used.
  • FIG. 3 an alternative steam iron 1 'according to the invention is shown, which differs from the one shown in FIG Fig. 1
  • Steam iron 1 illustrated differs in that it has its own designed as Venturi injector jet pump 21 and a - now with a control knob 8 mechanically actuated - second valve 23 has.
  • the second valve 23 supplies water from the second water reservoir 5 to the steam coming from the steam ironing station before it enters the steam chamber and passes out through steam outlet holes through the soleplate.
  • the iron can be connected to a steam ironing station, which now no longer has its own jet pump and bypass line. Also on an electrical line between iron and steam ironing station for controlling a pump located in the steam ironing station 23 can be dispensed with.
  • the steam ironing station according to the invention can produce a long-lasting steam flow with relatively high vapor humidity by simple structural means. An operating error is prevented by design.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Irons (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
EP12180701.0A 2011-08-23 2012-08-16 Appareil ménager générateur de vapeur, en particulier poste de repassage à la vapeur Withdrawn EP2578744A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201131411A ES2396085B1 (es) 2011-08-23 2011-08-23 Aparato doméstico generador de vapor, en especial, estación de planchado a vapor
DE102011084409A DE102011084409A1 (de) 2011-08-23 2011-10-13 Dampferzeugendes Haushaltsgerät, insbesondere Dampfbügelstation

Publications (1)

Publication Number Publication Date
EP2578744A1 true EP2578744A1 (fr) 2013-04-10

Family

ID=47629958

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12180701.0A Withdrawn EP2578744A1 (fr) 2011-08-23 2012-08-16 Appareil ménager générateur de vapeur, en particulier poste de repassage à la vapeur

Country Status (3)

Country Link
EP (1) EP2578744A1 (fr)
DE (1) DE102011084409A1 (fr)
ES (1) ES2396085B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102853415A (zh) * 2012-04-23 2013-01-02 王兔林 一种相变热机及利用相变热机加热的方法
ITGE20120050A1 (it) * 2012-05-10 2013-11-11 Longhi Appliances S R L Divi Sione Commerci De "sistema stirante con ferro da stiro provvisto di serbatoio dell'acqua supplementare"

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108469015B (zh) * 2018-04-26 2023-08-15 宜昌市禹猫智能科技有限公司 具有蒸汽回收及汽液分离功能的蒸汽发生装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3208603A1 (de) 1982-03-10 1983-12-08 Gaberszik, Vinzenz, 7148 Remseck Elektro-trocken und dampfreglerbuegeleisen
DE19614511C1 (de) 1996-04-12 1997-01-23 Rowenta Werke Gmbh Dampfbügelstation
EP1026306A1 (fr) * 1999-02-01 2000-08-09 Euro Star S.r.l. Générateur de vapeur pour machines de nettoyage, fers à repasser, machine à café et machines similaire
DE10025233A1 (de) 2000-05-22 2001-12-06 Veit Gmbh & Co Dampfbügeleisen mit Dosierventil
EP1045932B1 (fr) 1998-09-22 2003-08-06 Koninklijke Philips Electronics N.V. Fer a vapeur a indicateur d'entartrage
EP1619291A1 (fr) * 2004-07-14 2006-01-25 FUNG KAI TUNG, Augustine Dispositif de production de vapeur et fer à repasser utilisant ledit dispositif
US20060213092A1 (en) 2002-12-18 2006-09-28 Ermete Di Leta Steam Ironing Apparatus
EP1835067A1 (fr) 2006-03-16 2007-09-19 Domena Appareil de repassage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2743823B1 (fr) * 1996-01-19 1998-02-27 Seb Sa Appareil electromenager a vapeur comportant un dispositif anti-tartre
FR2785975B1 (fr) * 1998-11-17 2001-02-02 Seb Sa Generateur de vapeur a purge rapide

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3208603A1 (de) 1982-03-10 1983-12-08 Gaberszik, Vinzenz, 7148 Remseck Elektro-trocken und dampfreglerbuegeleisen
DE19614511C1 (de) 1996-04-12 1997-01-23 Rowenta Werke Gmbh Dampfbügelstation
EP1045932B1 (fr) 1998-09-22 2003-08-06 Koninklijke Philips Electronics N.V. Fer a vapeur a indicateur d'entartrage
EP1026306A1 (fr) * 1999-02-01 2000-08-09 Euro Star S.r.l. Générateur de vapeur pour machines de nettoyage, fers à repasser, machine à café et machines similaire
DE10025233A1 (de) 2000-05-22 2001-12-06 Veit Gmbh & Co Dampfbügeleisen mit Dosierventil
US20060213092A1 (en) 2002-12-18 2006-09-28 Ermete Di Leta Steam Ironing Apparatus
EP1619291A1 (fr) * 2004-07-14 2006-01-25 FUNG KAI TUNG, Augustine Dispositif de production de vapeur et fer à repasser utilisant ledit dispositif
EP1835067A1 (fr) 2006-03-16 2007-09-19 Domena Appareil de repassage

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102853415A (zh) * 2012-04-23 2013-01-02 王兔林 一种相变热机及利用相变热机加热的方法
CN102853415B (zh) * 2012-04-23 2015-04-22 王兔林 一种相变热机及利用相变热机加热的方法
ITGE20120050A1 (it) * 2012-05-10 2013-11-11 Longhi Appliances S R L Divi Sione Commerci De "sistema stirante con ferro da stiro provvisto di serbatoio dell'acqua supplementare"
WO2013167692A1 (fr) * 2012-05-10 2013-11-14 De' Longhi Appliances S.R.L. Divisione Commerciale Ariete Système de repassage avec fer et eau de complément
US9273426B2 (en) 2012-05-10 2016-03-01 De' Longhi Appliances S.R.L. Divisione Commerciale Ariete Ironing system with iron provided with supplementary water tank

Also Published As

Publication number Publication date
DE102011084409A1 (de) 2013-02-28
ES2396085B1 (es) 2014-01-16
ES2396085A1 (es) 2013-02-19

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