WO2012049585A2 - Dispositif de repassage à vapeur - Google Patents

Dispositif de repassage à vapeur Download PDF

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Publication number
WO2012049585A2
WO2012049585A2 PCT/IB2011/054359 IB2011054359W WO2012049585A2 WO 2012049585 A2 WO2012049585 A2 WO 2012049585A2 IB 2011054359 W IB2011054359 W IB 2011054359W WO 2012049585 A2 WO2012049585 A2 WO 2012049585A2
Authority
WO
WIPO (PCT)
Prior art keywords
steam
temperature
steam chamber
soleplate
switching element
Prior art date
Application number
PCT/IB2011/054359
Other languages
German (de)
English (en)
Other versions
WO2012049585A3 (fr
Inventor
Carmelo Albandoz Ruiz De Ocenda
Original Assignee
BSH Bosch und Siemens Hausgeräte 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 Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Publication of WO2012049585A2 publication Critical patent/WO2012049585A2/fr
Publication of WO2012049585A3 publication Critical patent/WO2012049585A3/fr

Links

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
    • D06F75/14—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
    • D06F75/18—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 water being fed slowly, e.g. drop by drop, from the reservoir to a steam generator
    • 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
    • D06F75/26—Temperature control or indicating arrangements

Definitions

  • the present invention relates to a steam ironing apparatus, in particular a steam iron or a steam ironing station.
  • Steam ironing devices are known in several variants in the prior art. These usually have a tank for an evaporation liquid, from which the evaporation liquid is transferred into a steam chamber whose bottom plate is heated by a heating element. When the evaporation liquid comes into contact with the heated bottom plate, it vaporizes and leaves the iron in vapor form through steam outlet openings on the underside of the soleplate, and thus reaches the ironing material.
  • many steam ironing devices are also equipped with a so-called anti-dripping system for preventing unwanted entry of the evaporating liquid into the steam chamber and thus preventing unwanted leakage of (non-evaporated) evaporating liquid from the steam outlet openings.
  • a steam ironing device is described as state of the art, which is also equipped with an electric micropump, by means of which the evaporating liquid is actively injected into the steam chamber.
  • the micropump additionally acts as an anti-drip system, with a bimetallic element serving to actuate an electrical switch which closes or interrupts the electrical circuit of the micropump.
  • the bimetallic elements are designed in such generic steam ironing devices such that they interrupt the circuit when the temperature in the steam chamber is no longer sufficient to completely vaporize an evaporating liquid injected into the steam chamber.
  • the invention has for its object to further develop a generic steam ironing device with anti-drip system so that with simple means an additional possibility for self-cleaning of the steam chamber is created.
  • This object is achieved by a steam ironing device with the features of claim 1.
  • a steam ironing device in particular in the form of a steam iron or a steam ironing station, comprises a soleplate with steam outlet openings, a tank for evaporation liquid, in particular in the form of water, or also for cleaning liquid, a steam generation system with a steam chamber, which is in communication with the steam outlet openings and in which the evaporation liquid or the cleaning liquid can be introduced, a heating device for heating the soleplate and / or the steam chamber, an electrically operated pump, in particular a micropump, for active pumping of evaporation liquid or cleaning liquid from the tank into the steam chamber and a first switching element which breaks an electrical circuit of the pump if a temperature in the region of the steam chamber or the soleplate is below a predetermined first temperature threshold.
  • the steam ironing device also has a second switching element which closes the electrical circuit of the pump, if the
  • the steam ironing device comprises an operating element for activating a cleaning process, in which evaporation liquid or cleaning liquid is pumped into the steam chamber.
  • the steam ironing device is equipped with an anti-drip function.
  • the first switching element interrupts an electric circuit of the pump, if a temperature in the region of the steam chamber or the soleplate is below the predetermined first temperature threshold.
  • the first temperature threshold represents a temperature at which it is no longer ensured that an evaporation liquid introduced into the steam chamber is still completely evaporated. According to the invention, however, the pump is returned to an operational state in a low temperature range below the second temperature threshold value.
  • evaporation liquid or else a separate cleaning liquid which was introduced into the tank in advance of a cleaning process, is introduced into the steam chamber with the aid of the pump. Due to the low temperature but this is not evaporated, but is used to flush out the steam chamber and the steam outlet openings. In the context of this rinsing process, foreign particles, in particular in the form of calcium deposits, are removed from the steam chamber and the steam outlet openings.
  • the invention realizes with simple circuitry means a steam ironing device, which is equipped with both an effective anti-drip system and with an effective self-cleaning function.
  • the first and / or second switching element can be designed as a temperature switch, in particular using a bimetallic element.
  • a temperature switch can be dispensed with own sensor for detecting the temperature in the region of the steam chamber or the soleplate and a control unit for controlling the switching element.
  • the first and / or second switching element can of course also be designed as a controllable switching element.
  • the steam ironing device also includes a temperature sensor for detecting the temperature in the region of the steam chamber or the soleplate and a control unit for controlling the switching element (s) as a function of the detected temperature.
  • Fig. 1 is a schematic representation of a first embodiment of a steam ironing device according to the invention and Fig. 2 is a schematic representation of a second embodiment of a steam ironing device according to the invention.
  • FIG. 1 shows a schematic cross-sectional view of a steam ironing device according to the invention, which in this example is designed as a steam iron 2.
  • the steam iron 2 has a first, lower housing part 2a, a soleplate 4 with steam outlet openings 6, a tank 8 for evaporation liquid W, in particular water or water with an additive, and a steam generation system, with a steam chamber 10, the steam outlet openings 6 open to vapor in combination is and in which the evaporation liquid W can be introduced from the tank 8.
  • An electric pump in the form of a micropump P serves for the controlled introduction or injection of the evaporation liquid W from the tank 8 into the steam chamber 10. It may also be provided a Dampfmengen- (rotary) switch, which is functionally coupled to the micropump P and over which for a steam ironing operation the desired amount of steam can be adjusted or regulated.
  • the steam iron 2 is equipped with a heater 14 for heating the soleplate 4 and / or the steam chamber 10.
  • a heater 14 for heating the soleplate 4 and / or the steam chamber 10.
  • the steam iron 2 has an ironing temperature adjusting element, which in this case is configured as a rotary knob 16.
  • an operating element 22 is provided for selectively activating and deactivating the steam generating system.
  • This operating element 22 is designed in the present case as a so-called steam switch. In principle, however, any other suitable for the purpose mentioned control element can apply.
  • the steam switch 22 is associated with an electrical switch 24 which directly or indirectly actuated by the steam switch 22.
  • the switch 24 is functionally coupled to the micro pump P.
  • the steam iron 2 is also provided with an anti-drip function for preventing unwanted entry of the evaporation liquid W into the steam chamber 10 and thus for preventing accidental leakage of (non-evaporated) evaporation liquid W from the steam outlets 6.
  • the anti-drip function is realized by providing a first switching element S1, which is functionally coupled to the micropump P and interrupts an electrical circuit of the micro-pump P if a temperature in the region of the steam chamber 10 or the soleplate 4 is below a predetermined first temperature threshold.
  • the circuit of the micropump P is connected during operation of the steam iron 2 via a cable, not shown, to a current or voltage source.
  • the first temperature threshold represents a temperature at which it is no longer ensured that an evaporation liquid W introduced into the steam chamber 10 is still completely evaporated. By interrupting the circuit, the micropump P is disabled in this temperature range.
  • a second switching element S2 is provided, which is functionally coupled to the micropump P and closes the electrical circuit of the pump P, if the temperature in the region of the steam chamber 10 or the soleplate 4 is below a predetermined second temperature threshold.
  • the second temperature threshold is below the first temperature threshold.
  • a temperature value is set which is only slightly, e.g. by a few degrees, above the ambient temperature.
  • the second switching element S2 thus serves, so to speak, to bridge over the first switching element S1 in the case of a "cold" steam iron 2.
  • This bridging can be achieved, for example, by means of be achieved by a simple parallel connection of the two switching elements S1 and S2.
  • the switching elements S1 and S2 are designed according to the embodiment shown in Figure 1 as a temperature switch whose switching state changes depending on the temperature. Such temperature switches can be realized for example by means of a bimetallic element.
  • the temperature switch S1 is designed so that it opens when falling below the first temperature threshold.
  • the second temperature switch S2 is designed such that it closes when falling below the second temperature threshold. In order to ensure a correct function of the temperature switch, these are arranged in the region of the steam chamber 10 or the sole plate 4.
  • an operating element 26 for example in the form of a pushbutton, is provided.
  • the pump P Upon actuation of the operating element 26 in an operating state of the steam ironing device, in which the temperature in the steam chamber 10 or the soleplate 4 is below the second threshold, the pump P is activated and thus evaporation liquid W or cleaning liquid, which in advance of a cleaning process in the tank 8 was introduced, pumped into the steam chamber 10. Due to the low temperature in the steam chamber 10, however, the evaporation liquid W or the cleaning liquid is not evaporated, but serves to rinse the steam chamber 10, thereby washing out deposits, such as limescale. Upon actuation of the operating element 26, a predefined quantity of evaporation liquid W or cleaning liquid is advantageously introduced into the steam chamber 10.
  • FIG. 2 shows an alternative embodiment of the invention. This differs from the embodiment according to FIG. 1 in that the switching elements S1 and S2 are configured not as temperature switches but as controllable switching elements which are controlled by a control unit 28 as a function of the temperature in the steam chamber 10 or the soleplate 4. Therefore, in the region of the steam chamber 10 or the soleplate 4, a temperature sensor 30 is provided which detects the current temperature in the region of the steam chamber 10 or the soleplate 4. On the basis of the detected temperature values, the control unit 28 then controls the switching elements S1 and S2 in a suitable manner.
  • the switching elements S1 and S2 are configured not as temperature switches but as controllable switching elements which are controlled by a control unit 28 as a function of the temperature in the steam chamber 10 or the soleplate 4. Therefore, in the region of the steam chamber 10 or the soleplate 4, a temperature sensor 30 is provided which detects the current temperature in the region of the steam chamber 10 or the soleplate 4. On the basis of the detected temperature values, the control unit 28 then controls the switching elements S1 and S2
  • one of the switching elements S1 or S2 as a temperature switch and the other switching element as a controllable switching element.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Irons (AREA)

Abstract

L'invention concerne un dispositif de repassage à vapeur (2) comprenant une semelle de repassage (4) munie d'ouvertures de sortie de vapeur (6), un réservoir (8) pour liquide de vaporisation (W), un système de génération de vapeur doté d'une chambre à vapeur (10) qui communique avec les ouvertures de sortie de vapeur (6) et dans laquelle le liquide de vaporisation (W) peut être introduit, un dispositif de chauffage (14) pour chauffer la semelle de repassage (4) et/ou la chambre à vapeur (10), une pompe (P) à commande électrique pour pomper activement le liquide de vaporisation (W) dans le réservoir (8) et le faire passer dans la chambre à vapeur (10) et un premier élément de commande (S1) qui coupe un circuit de courant électrique de la pompe (P) si la température régnant dans la zone de la chambre à vapeur (10) ou de la semelle de repassage (4) se situe en dessous d'une première valeur-seuil température-température prédéfinie. Le dispositif de repassage à vapeur comprend également un second élément de commande (S2) qui ferme le circuit de courant électrique de la pompe (P) si la température régnant dans la zone de la chambre à vapeur (10) ou de la semelle de repassage (4) se situe en dessous d'une seconde valeur-seuil de température prédéfinie, ladite seconde valeur-seuil de température se situant en dessous de la première valeur-seuil de température. Ledit dispositif de repassage à vapeur comprend également un élément d'actionnement (26) pour activer un processus de nettoyage au cours duquel du liquide de vaporisation est pompé pour passer dans la chambre de vaporisation (10).
PCT/IB2011/054359 2010-10-13 2011-10-04 Dispositif de repassage à vapeur WO2012049585A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ES201031510A ES2403784B1 (es) 2010-10-13 2010-10-13 Dispositivo de planchado a vapor
ESP201031510 2010-10-13
DE102010063085.3 2010-12-14
DE102010063085A DE102010063085B4 (de) 2010-10-13 2010-12-14 Dampfbügelvorrichtung

Publications (2)

Publication Number Publication Date
WO2012049585A2 true WO2012049585A2 (fr) 2012-04-19
WO2012049585A3 WO2012049585A3 (fr) 2013-06-27

Family

ID=45895904

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2011/054359 WO2012049585A2 (fr) 2010-10-13 2011-10-04 Dispositif de repassage à vapeur

Country Status (3)

Country Link
DE (1) DE102010063085B4 (fr)
ES (1) ES2403784B1 (fr)
WO (1) WO2012049585A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103015144A (zh) * 2012-12-11 2013-04-03 广东新宝电器股份有限公司 蒸汽站电熨斗
CN111074514A (zh) * 2018-10-18 2020-04-28 Seb公司 蒸汽熨平设备

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008151966A1 (fr) 2007-06-14 2008-12-18 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de repassage à vapeur avec système anti-goutte

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1244228B (it) * 1990-03-08 1994-07-08 Giulia Dassa Ferro da stiro elettrico ad apparato di vaporizzazione interno
CN1148419A (zh) * 1995-01-23 1997-04-23 菲利浦电子有限公司 快冷电熨斗
WO2000017439A1 (fr) * 1998-09-22 2000-03-30 Koninklijke Philips Electronics N.V. Fer a vapeur a indicateur d'entartrage
DE102005039987A1 (de) * 2005-08-23 2007-03-01 Bartels Mikrotechnik Gmbh Dampfbügeleisen
ES2357818B1 (es) * 2008-11-13 2012-03-23 Bsh Krainel, S.A. Plancha a vapor.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008151966A1 (fr) 2007-06-14 2008-12-18 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de repassage à vapeur avec système anti-goutte

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103015144A (zh) * 2012-12-11 2013-04-03 广东新宝电器股份有限公司 蒸汽站电熨斗
CN111074514A (zh) * 2018-10-18 2020-04-28 Seb公司 蒸汽熨平设备
CN111074514B (zh) * 2018-10-18 2023-07-18 Seb公司 蒸汽熨平设备

Also Published As

Publication number Publication date
ES2403784R1 (es) 2013-05-30
ES2403784B1 (es) 2014-04-07
WO2012049585A3 (fr) 2013-06-27
ES2403784A2 (es) 2013-05-21
DE102010063085A1 (de) 2012-04-19
DE102010063085B4 (de) 2012-08-30

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