EP2942431B1 - Procédé de fonctionnement d'un appareil de repassage comportant une cuve pour la génération de vapeur sous pression - Google Patents

Procédé de fonctionnement d'un appareil de repassage comportant une cuve pour la génération de vapeur sous pression Download PDF

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Publication number
EP2942431B1
EP2942431B1 EP15166300.2A EP15166300A EP2942431B1 EP 2942431 B1 EP2942431 B1 EP 2942431B1 EP 15166300 A EP15166300 A EP 15166300A EP 2942431 B1 EP2942431 B1 EP 2942431B1
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EP
European Patent Office
Prior art keywords
vessel
water
tank
collection cavity
appliance
Prior art date
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Active
Application number
EP15166300.2A
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German (de)
English (en)
French (fr)
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EP2942431A1 (fr
Inventor
Dominique Gelus
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SEB SA
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SEB SA
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    • 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

Definitions

  • the present invention relates to a method of operation of an ironing apparatus comprising a tank for the generation of steam under pressure and relates more particularly to an operating method for reducing scaling of the tank.
  • the present invention also relates to an ironing apparatus implementing such a method.
  • Such an ironing apparatus has the advantage of allowing the automation of part of the cleaning process of the tank, so that such cleaning can be started regularly automatically.
  • This method therefore allows, at each start of the device, to evacuate the contents of the tank to the recovery cavity and fill the tank with clean water.
  • the aragonite sprouts responsible for the formation of scale crystals and the vaterite germs responsible for the formation of scale-containing foam are removed from the tank before their concentration in the tank is sufficient. to form such crystals or scale foam.
  • Such a method therefore has the advantage of allowing a systematic cleaning of the tank without waiting for the formation of scale crystals so that there is no obstruction by the scale of the organs used to evacuate the water from the tank. tank.
  • the emptying operation of the tank is followed by a step of heating the tank to evaporate the residual water present in the tank.
  • Such a characteristic makes it possible to dry out the remaining residual water in small quantities in the tank, and to transform any aragonite seeds present in this water into calcite crystals.
  • the calcite crystals thus created which remain in very small quantities due to the little remaining water remaining in the tank, have the advantage of adhering to the wall of the tank and being stable so that they do not precipitate in the water and remain in the bottom of the tank, without being harmful to the operation of the apparatus.
  • the tank heating means are put into operation before and / or during the emptying step a) or c) of the tank.
  • Such a characteristic makes it possible to create agitation in the tank which raises the aragonite seeds resting in the bottom of the tank, which makes it possible to facilitate their evacuation during the emptying stage of the tank.
  • the recovery cavity communicates with the water reserve through a filter retaining the particles according to their size.
  • Such a characteristic makes it possible to filter the water collected in the recovery cavity to clean it of most of its scale and reinject it into the reserve of clean water. This reduces the water consumption of the device during the cleaning phase of the tank.
  • the device can operate longer without requiring emptying / cleaning of the recovery cavity by the user since only the scale particles are stored in the recovery cavity, the water used for the drain being reinjected into the reserve of clean water.
  • the filter is calibrated to let the water pass and retain the particles of a size greater than 10 microns and preferentially retain particles larger than 5 microns.
  • Such a characteristic makes it possible to let the water pass and to trap the scale particles present in the form of aragonite seeds or vaterite.
  • Such an apparatus can generate a powerful suction flow of water and scale particles present in the tank at each start of the device.
  • the recovery cavity communicates with the water reserve through a filter.
  • the filter is calibrated to let the water pass and retain the particles having a size greater than 10 microns and preferentially retain particles larger than 5 microns.
  • the reserve of clean water and the recovery cavity are arranged in the same reservoir, the reserve of clean water being separated from the recovery cavity by a filter.
  • Such a feature reduces the cost and bulk of the device.
  • the tank comprises a bottom provided with a recess in which the pump draws water and scale particles.
  • Such a characteristic makes it possible to increase the quantity of scale particles harvested during the drawing of water in the tank, the scale particles tending to be trapped in the recess.
  • the bottom of the tank is inclined towards the recess.
  • Such a characteristic makes it possible to further improve the concentration of scale particles at the recess, the scale particles present in the tank water being gravity-driven towards the recess.
  • the supply circuit comprises a pump for sending water from the clean water reservoir into the tank.
  • the apparatus comprises a reversible pump allowing, in one direction of operation, to send the water from the tank to the recovery cavity and, in the opposite direction of operation, to send the water from the clean water supply to the tank.
  • the apparatus comprises a steam generator base connected by a cord to an iron, the base comprising the tank, the water reserve and the recovery cavity.
  • the figure 1 schematically represents an ironing apparatus comprising a base 1 for the production of steam and an iron 2 comprising a soleplate provided with steam outlet holes, the iron 2 being connected to the base 1 by a bead 3.
  • the base 1 comprises a removable tank 4, a capacity of the order of 2 liters advantageously made in a transparent plastic material, and a steam generator consisting of a tank 5 of stainless steel, with a capacity of about 0.5 liter, comprising a resistor heater 50 of a power of the order of 1400 W for producing steam under a pressure of the order of 4 to 6 bars.
  • the tank 5 is connected to the iron by a steam conduit integrated in the cord 3 and comprises a solenoid valve 51 controlled by a button 20 disposed on the iron 2 to control the emission of steam through the sole.
  • the tank 4 comprises a removable filter 6 which extends inside the tank 4 and divides the tank into two parts, the filter 6 forming a filtering barrier between a first part of the tank, a capacity of the order 1.5 liter, forming a water reserve 41, said clean, and a second portion of the tank, a capacity of about 0.5 liter, forming a recovery cavity 42, the water reserve the tank comprising a filling flap 40 allowing the user to fill the tank with tap water.
  • the tank 5 is connected to an outlet 4A of the tank 4 by a supply circuit drawing water into the water reserve 41 and opening into the tank 5 at a connector 52 advantageously located on the top of the tank 5, the supply circuit comprising an intake pump 7 controlled by a control card 8 for injecting water into the tank 5 at a pressure of up to 15 bar.
  • the tank 5 is also connected to the recovery cavity 42 by an evacuation circuit drawing water from the tank 5 to send it into the recovery cavity 42, the evacuation circuit comprising a discharge pump 9, controlled by the control card 8, preferably coming to suck the water in a zone of the tank 5 opposite to the zone where the water is injected by the intake pump 7.
  • the filter 6 has the form of a filter basket which defines the contour of the recovery cavity 42 and comprises an inlet port 6A connected to the evacuation circuit, the filter 6 being extractable tank 4 for cleaning by an access hatch to tight closure, not shown in the figures.
  • the filter 6 has openings adapted to let the water pass and retain the particles according to their size and in particular to retain the particles whose size is greater than 5 microns.
  • the inlet orifice 6A and the outlet orifice 4A are advantageously equipped with valves, not shown in the figures, which close these openings when the reservoir is removed from the base 1 in order to prevent any involuntary flow during transport.
  • the intake port 6A is also advantageously equipped with a filtration strainer, not shown in the figures, which prevents an undesirable object present in the bottom of the tank 4 from being sucked by the pump. admission 7.
  • the tank 5 advantageously comprises a bottom provided with a recess 53 in which the seeds and / or scale particles are trapped, this recess 53 being preferentially located at the peripheral edge of the tank 5, the latter being preferably inclined by a few degrees in direction of the recess 53 so that the aragonite seeds and scale particles present in the tank 5 are naturally gravity-driven towards the recess 53, the evacuation circuit comprising a suction duct 54 of which the lower end plunges into the recess 53 and comes close to the bottom of the tank 5 to suck the particles that are retained in the recess 53.
  • the apparatus thus produced implements a preferred method of operation which will now be described, such an operating method making it possible to reduce the quantity of scale contained in the tank.
  • the user When the user wishes to use the apparatus, he first performs a filling of the tank by pouring water, preferably from the tap, through the filling door 40 and up to a maximum level indicated on the tank 4, this water pouring directly into the part forming the clean water reserve 41 of the tank 4 and also flowing through the filter 6 to fill the recovery cavity 42.
  • Such a method of operation at the start of the apparatus has the advantage of reducing the amount of scale contained in the tank 5 during operation of the apparatus, the injection of clean water into the tank 5 to clean the bottom of the tank 5 by lifting the aragonite sprouts and other scale particles and sending them towards the recess 53 where these The latter are then sucked during the emptying step of the tank 5 to be sent into the recovery cavity 42.
  • the aragonite or vaterite type sprouts causing the formation of scale crystals are then trapped by the filter 6, only the water with little germs or scale particles that can pass through the filter 6 to mix with the water. clean water from the water supply 41.
  • the apparatus thus produced has the advantage of allowing the water coming from the tank 5, cleaned from its scale, to be recycled to the clean water reserve 41 so that the recovery cavity 42 of the tartar There is no need to present a large volume, the water used for cleaning the tank 5 being returned to the water reserve 41 after filtration, only the solid scale particles being progressively concentrated in the recovery cavity 42.
  • the apparatus thus produced can be compact and allows the realization of several ironing sessions without the need for the user to empty the recovery cavity 42.
  • the user can clean the filter 6 by removing it from the tank 4 and by cleaning with a brush and / or soaking in white vinegar.
  • the clogging of the filter may be detected automatically by means of a water level detector, made for example by electrodes, placed in the recovery cavity 42 so as to emit an alarm when the level of the filter is reached.
  • a water level detector made for example by electrodes, placed in the recovery cavity 42 so as to emit an alarm when the level of the filter is reached.
  • water in the recovery cavity 42 is greater than one predetermined threshold, such an alarm means that the water can no longer flow from the recovery cavity to the water supply and therefore the filter is clogged.
  • the figure 4 represents a second embodiment of the apparatus according to the invention in which the intake pump 7 and the discharge pump 9 are replaced by a pump 10 carrying out by itself the same functions as the intake pumps 7 and discharge 9 of the first embodiment, the method of operation of the apparatus remaining similar to that described in the first embodiment.
  • the pump 10 is driven by an electric motor and advantageously comprises valves allowing in one direction of operation of the motor to send water from the water reserve 41 to the tank 5 and in the other direction of operation of the motor, to send water from the tank 5 to the recovery cavity 42, the direction of operation of the pump being controlled by the control card.
  • Such an embodiment has the advantage of only using a single pump which can further reduce the size of the device and reduce the cost of construction.
  • the reservoir of the apparatus may include a sodium hexametaphosphate rod (HMPS) as described in the patent application.
  • HMPS sodium hexametaphosphate rod
  • the discharge pump and the inlet pump can be operated during the normal operating cycle of the apparatus to create one or several cycles of intermediate rinsing of the tank during the ironing session.
  • This operation of the discharge pump and the intake pump during intermediate rinsing cycles can be carried out in addition to or in place of the previously described start-up process.
  • the discharge and intake pumps will preferably be operated simultaneously so that the level of water in the tank is substantially constant and allows the continuation of the production of steam in the tank .
  • the rinsing cycles will advantageously be accompanied or even preceded by a start of the heating means of the tank to allow a rapid heating of the water sent into the tank by the intake pump.
  • the evacuation circuit of the tank may be interrupted at the recovery cavity, that is to say that there will be no communication between the recovery cavity and the water supply of the apparatus.
  • the apparatus will be devoid of any filtration device and the water of the recovery cavity will have to be emptied regularly by the user, to allow the completion of the cleaning cycle at each startup of the device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning In General (AREA)
  • Irons (AREA)
EP15166300.2A 2014-05-06 2015-05-04 Procédé de fonctionnement d'un appareil de repassage comportant une cuve pour la génération de vapeur sous pression Active EP2942431B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1454096A FR3020818B1 (fr) 2014-05-06 2014-05-06 Procede de fonctionnement d'un appareil de repassage comportant une cuve pour la generation de vapeur sous pression

Publications (2)

Publication Number Publication Date
EP2942431A1 EP2942431A1 (fr) 2015-11-11
EP2942431B1 true EP2942431B1 (fr) 2019-02-20

Family

ID=51483586

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15166300.2A Active EP2942431B1 (fr) 2014-05-06 2015-05-04 Procédé de fonctionnement d'un appareil de repassage comportant une cuve pour la génération de vapeur sous pression

Country Status (5)

Country Link
EP (1) EP2942431B1 (tr)
CN (1) CN105088735B (tr)
ES (1) ES2716884T3 (tr)
FR (1) FR3020818B1 (tr)
TR (1) TR201903993T4 (tr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3025530B1 (fr) * 2014-09-09 2016-10-28 Seb Sa Procede de fonctionnement d'un appareil de repassage comportant un interrupteur monostable pour mettre en marche et arreter l'appareil
EP3638839B1 (en) 2017-06-16 2023-08-02 Spectrum Brands, Inc. Steam generator with pre-heat chamber and filter
EP3977010B1 (de) * 2019-06-03 2023-12-20 Swisslogo AG Einrichtung zur erzeugung von dampf

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2755706B1 (fr) * 1996-11-13 1998-12-24 Seb Sa Generateur de vapeur
FR2757364B1 (fr) 1996-12-20 1999-02-26 Seb Sa Appareil electromenager avec moyen anti-tartre
FR2835041B1 (fr) * 2002-01-24 2004-03-19 Seb Sa Kit de vidange et de nettoyage pour generateur de vapeur electrodomestique
EP1910739B1 (en) * 2005-07-11 2013-04-10 Koninklijke Philips Electronics N.V. Method for rinsing a boiler system for use with a steaming device
WO2008075308A2 (en) * 2006-12-21 2008-06-26 Koninklijke Philips Electronics N.V. Steam generator
CN101839468B (zh) * 2009-03-19 2012-07-25 漳州灿坤实业有限公司 可去除钙质水垢的蒸汽站
FR2945050B1 (fr) * 2009-04-29 2011-07-01 Seb Sa Appareil de repassage comportant un dispositif echangeur d'ions
WO2011110979A2 (en) * 2010-03-09 2011-09-15 Koninklijke Philips Electronics N.V. Steam generation device and method for reducing scale in such steam generation device
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2942431A1 (fr) 2015-11-11
FR3020818B1 (fr) 2016-05-20
TR201903993T4 (tr) 2019-05-21
ES2716884T3 (es) 2019-06-17
FR3020818A1 (fr) 2015-11-13
CN105088735A (zh) 2015-11-25
CN105088735B (zh) 2019-04-26

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