EP3098345A1 - Fer à repasser à vapeur et son procédé de fonctionnement - Google Patents

Fer à repasser à vapeur et son procédé de fonctionnement Download PDF

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Publication number
EP3098345A1
EP3098345A1 EP16171352.4A EP16171352A EP3098345A1 EP 3098345 A1 EP3098345 A1 EP 3098345A1 EP 16171352 A EP16171352 A EP 16171352A EP 3098345 A1 EP3098345 A1 EP 3098345A1
Authority
EP
European Patent Office
Prior art keywords
temperature
steam
controller
iron
sole
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.)
Granted
Application number
EP16171352.4A
Other languages
German (de)
English (en)
Other versions
EP3098345B1 (fr
Inventor
Carlos DONAIRE CLAVERÍA
Martin Goldaracena Jaca
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.)
SDA Factory Vitoria SL
Original Assignee
BSH 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
Priority claimed from ES201530762A external-priority patent/ES2592558B1/es
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3098345A1 publication Critical patent/EP3098345A1/fr
Application granted granted Critical
Publication of EP3098345B1 publication Critical patent/EP3098345B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D06F75/26—Temperature control or indicating arrangements
    • 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

Definitions

  • the invention relates to a steam iron with a water storage tank, a heater of a steam chamber and a pump for pumping lime water into the steam chamber according to the preamble of patent claim 1 and a method of operating a steam iron with a built-in sole steam chamber, in which it is determined whether a steam request is present according to the preamble of claim 8.
  • a steam iron of this type is for example from the German patent application DE 10 2014 204 2079 A1 known.
  • a steam iron is disclosed in which a pump from a water tank delivers lime water into a steam chamber to produce steam for the steam iron.
  • the disclosed there steam iron has a position sensor to determine layers of the steam iron, wherein in a different from a horizontal working position alternative position, the pump is deactivated.
  • the commercially available steam iron called the Bosch TDi90 has a temperature-dependent pump control which prevents droplet formation during steam generation by reliably preventing, via a water flow control as a function of temperature, more water being conveyed to the bottom to produce steam to produce, as can be evaporated there.
  • a particular challenge in this context is a lower temperature setting of the steam iron.
  • points are applied to a rotary selector, with the choice of which roughly a temperature range can be specified.
  • the steam iron works in particular as a function of the temperature sensitivity of textiles in different temperature ranges, which are usually specified on a rotary knob. Often defined settings of one, two, or three points are preselected.
  • the low temperature range with a setting of one point is for example between 70 ° and 120 ° C. Because water in usually vaporized at normal air pressure only at 100 ° C, it may come to droplet formation in this low temperature range. Therefore, usually with market standard steam irons a steam delivery, or a shot of steam at this setting is prevented by the pump is turned off.
  • the invention has for its object to provide an improved steam iron and a method for operating a steam iron, wherein in particular in a lower temperature range, a droplet-free steam delivery is ensured.
  • the invention is therefore in particular the object of providing an improved steam iron and a method for operating a steam iron, wherein in a lower temperature preselection range for the operation of the steam iron steam delivery at reduced or even without any droplet formation is possible.
  • the present invention teaches a steam iron according to the features of claim 1 and a method for operating a steam iron according to the features of claim 8.
  • a steam iron with a sole heating and a steam chamber located there temperature-dependent promoted with a pump cold water to produce steam from it.
  • the amount of water depends on the sole temperature and / or on a sole temperature preset setting, preferably on both.
  • the sole temperature preset setting may be user settable, factory preset, or adjusted by an adjuster, e.g. given on the basis of measured data.
  • Cold water in the sense of the present invention is liquid water in contrast to the water vapor generated in the steam chamber.
  • the temperature preset setting is compared in a comparison device with a present steam request signal, that is set in dependence on the presence of the steam request signal and the temperature preset setting a temperature deviating from the temperature preset setting.
  • a higher temperature can be set in this lower temperature range in the case of a steam request, for example a temperature between 120 ° C and 180 ° C, preferably between 120 ° C and 145 ° C, for example 130 ° C.
  • the temperature of the sole by turning on the heater at a steam demand and by increasing the set temperature to achieve a better ironing result with improved quality impression, which can be reliably prevented that even delicate tissue can be damaged because not at existing steam request signal only the preselected temperature range is regulated.
  • a different sole temperature is set at the present steam demand than the preset temperature. This makes it possible to prevent droplet formation even at a lower preset temperature.
  • a higher than the preselected temperature is set in order to reliably evaporate water in the sole.
  • the vaporized water at normal pressure has about 100 ° C and thus does not set in the tissue due to its rapid humidification, a higher temperature than one example, at one point as area code as defined by law.
  • the preselected temperature can be promptly regulated again.
  • the controller is configured to increase the temperature, that is, to set a higher sole temperature due to the presence of a steam request signal than if this signal were absent. In this way, it is ensured by an increased amount of heat that water pumped by the pump is reliably converted into steam, the steam temperature is about 100 ° C even during evaporation and thus the tissue to be treated is reliably moistened and treated gently.
  • This embodiment of the invention may be further developed such that an elevated temperature is set by the controller in a lower temperature preselection range when the steam is requested.
  • a lower temperature preselection range is one or more temperature presetting settings (for example, "one point") that are lower than one or more other temperature preset settings (for example, "two dots” and "three dots") is or will be from a total of possible temperature preset settings.
  • a sole temperature sensor is present, which is connected to the controller.
  • Such a configuration ensures that, depending on the sole temperature, the correct amount of water can be delivered through the pump, which does not actually cause droplet formation and can reliably monitor whether the sole has sufficient temperature to start pumping water.
  • This has the particular advantage that when a steam demand in a lower temperature range drops of water and a wetting of the fabric can be reliably prevented.
  • the invention may be further developed such that there is a separate instant steam request switch on the steam iron connected to the controller.
  • a steam request signal can be generated manually with the instant steam request switch, within the controller then immediately the heater can be turned on, and optionally a different temperature can be set depending on the temperature preset setting.
  • the preferred instant steam demand switch also controls the pump for conveying the cold water into the steam chamber.
  • This embodiment of the invention may be further developed such that the controller is adapted to immediately turn on the heater in response to a present steam request signal to rapidly provide the heat energy required for steam generation.
  • the controller is adapted to immediately turn on the heater in response to a present steam request signal to rapidly provide the heat energy required for steam generation.
  • the preferred steam demand signal is identical to or coincident with the beginning of the delivery of cold water into the steam chamber. More preferably, the steam request signal is identical or coincident with a signal to activate the pump or is or coincides with activating the pump. In this way it is advantageously achievable that the sole temperature substantially simultaneously with the generation of steam is raised.
  • the steam generation signal is generated by a sensor which detects the presence of cold water in the steam chamber or its supply to the steam chamber, such as a temperature sensor which measures a temperature drop induced by cold water, for example in the wall the steam chamber or inside the steam chamber.
  • the cold water is present in an irons integrated water reservoir for the cold water, that is, the water reservoir is located in the same housing to which the sole of the steam iron is attached.
  • the steam iron is equipped with an external water reservoir, that is, the cold water water reservoir is not in the housing to which the soleplate of the steam iron is attached.
  • the reservoir is connected by means of a water conduit, for example a water hose, to a component of the steam iron comprising the soleplate of the steam iron.
  • the invention may be further developed such that the controller is adapted to generate the steam demand signal. In this way it is achieved that in automatic ironing programs with, for example, interval-like steam delivery by pump activation regardless of the preset temperature reliably droplet formation in ironing operation can be prevented.
  • the method according to the invention can be further developed such that an elevated temperature is set depending on the preselected temperature.
  • an elevated temperature is set in a preselected lower temperature range and thus an increased temperature is available for the evaporation of the water in the sole.
  • reliable prevents droplet formation and the water is completely vaporized.
  • the sole heating is activated immediately in the presence of a steam demand. In this way, it is achieved that the soleplate is quickly brought to the set temperature to be set and no unnecessary delay occurs during steam generation.
  • FIG. 1 shows a household steam iron 1 in longitudinal section of various relevant for the heating and the steam supply and their control components that are clearly visible.
  • the steam iron 1 has a housing 2 with a handle 4 and a sole 6.
  • the iron is shown here in a horizontal operating position.
  • the sole 6 is heated by means of a heater 10 and has not shown outlet holes for discharging steam.
  • the housing 2 of the steam iron preferably contains the controller 26 for carrying out relevant functions of the steam iron such as the control of steam generation, heating, and the evaluation of various sensor signals and a temperature setting.
  • the controller may include a memory in which ironing programs are stored.
  • a predetermined amount of steam can be dispensed at intervals in order to achieve a desired ironing result depending on a fabric and an ironing temperature.
  • a steam chamber 8 and a sole heater 10 is disposed within the sole.
  • the steam iron on a water reservoir 12, which is connected for example via a line 14 to a pump 16 and then in turn to the steam chamber 8.
  • a pump 16 As will be explained further below, depending on the temperature, an amount of water sufficient for steam generation is added via the pump.
  • the water reservoir 12 is integrated in the housing 2 of the steam iron 1.
  • the line 14 is formed as a water hose for connection of the external water reservoir.
  • the relationship between the temperature and the amount of water is preferably stored in the controller 26.
  • the steam iron 1 can be connected to the mains and can be switched by means of a main switch 20.
  • the steam iron 1 is turned on and the control 26, the heating of the soleplate of the iron 6 is initiated and controlled, and optionally steam generated by the pump 16 in accordance with the control 26 water in the steam chamber is delivered.
  • a temperature controller 50 is shown, which is connected via a line 52 to the controller 26. By means of this temperature controller, a preset temperature can be set by the user.
  • a sensor 22 is arranged on the handle of the steam iron, with which it can be detected whether a user holds the iron.
  • this sensor is designed as a capacitive sensor and connected by means of a line 24 to the controller 26.
  • the steam iron may include a position sensor 32 for determining whether the iron is in a horizontal position and a regular steam ejecting operation is permitted in ironing.
  • a temperature sensor 57 is shown, which is connected by means of a line 54 to the controller 26.
  • About the example electronically designed temperature control can be timely and accurately controlled and readjusted the temperature of the soleplate by a current temperature is detected and a corresponding Heating power is set by the controller.
  • a thermal resistance can be used as a component in such a control.
  • Sensor signals from the bearing sensor 32 and from the handle sensor 22 can be evaluated as a function of time in order to prevent unnecessary switching operations and to ensure reliable operation of the steam iron.
  • the controller 26 receives a position signal via the line 34 and controls the pump according to the storage signal accordingly.
  • the steam iron for example, an instant steam request switch 40 which is connected by means of a signal line 60 to the controller 26 and act on the steam chamber 8 via the connection 44 can.
  • activation of the sole heating 10 is for example directly initiated in the control and it is checked via the temperature sensor 57 whether the sole has a sufficient temperature for generating steam. If this is the case, the pump 16 is activated and water is introduced into the steam chamber of the sole. Specifically, it is possible to specify via a temperature preselection set on the temperature controller which temperature is set and in the controller a predetermined temperature is compared with the presence of a steam request signal. In particular, this steam request signal can also be generated by the control itself. If a comparison device within the controller determines that a steam request signal is present and a specific temperature preselection, it may be determined on a case-by-case basis that a temperature of the sole that deviates from the temperature preselection is set.
  • an elevated sole temperature can be set in a lower temperature range.
  • the temperature sensor 57 and the temperature controller 50 can be determined at any time by the controller 26, which temperature is present at the sole 6 and which temperature is selected. Depending on these two temperatures, the pump can then be activated in accordance with a steam demand by the controller to evaporate water.
  • the pump power is determined by the controller 26 in particular so that no droplets form during evaporation.
  • the temperature at preselection on temperature controller 50 typically refers to dry tissue. Once water is allowed to evaporate, the bottom temperature drops and should be returned to set point temperature while controlling the pumping power so that the pump 16 delivers an adjusted amount of water in response to a decreasing temperature to prevent droplet formation during steam generation ,
  • FIG. 2 2 there is a relationship between a delivery rate of a water pump 16, here denoted 210, and a temperature 220.
  • the temperature settings 226 corresponding to a point on the temperature controller 50 of the iron 230 are the two points corresponds to the controller 50 of the iron and 250, the three points on the controller 50 of the iron corresponds to a straight line.
  • 225, 235 and 265 a corresponding control range for the respective temperature range can be specified.
  • temperature variations between 70 ° and 120 ° C are allowed, while for two points temperature variations between 100 ° and 160 ° C are allowed and furthermore for three points the temperature should be between 140 ° and 210 ° C.
  • a user default 277 is shown.
  • the default 277 corresponds to a temperature and a pump power. However, as soon as water is pumped onto the sole via the pump, the temperature of the sole sinks, which is symbolized by the arrow 273. The temperature can be measured via the temperature sensor 57 and the controller regulates the delivery rate of the pump to prevent droplets from forming in the steam.
  • the control range here is designated by 280, for example. Generally speaking, the lower the temperature, the greater the risk of droplets forming as steam is generated and temperature falls.
  • the steam generation may be initiated automatically by an ironing program, or triggered by hand with an instant steam selector switch by the user become.
  • the heating element upon activation of the water pumping pump into the steam chamber, the heating element is also turned on to generate steam on the soleplate in the steam chamber without delay.
  • the steam generation can be improved in a lower temperature preset range.
  • the diagram is analogous to FIG. 2 applied to the top of the pump power 210 and to the right the temperature 220.
  • the temperature settings 226, 240 and 250 are analogous to FIG. 2 shown.
  • a temperature setpoint 230 is set in the controller which is actually above the limit which belongs to a one-digit prefix.
  • such a temperature specification can be between 120 ° C and 180 ° C, preferably between 120 and 145 ° C, and especially 130 ° C.
  • the delivery rate of the pump is controlled to generate steam, for example at a point 328.
  • the water conveyance to the sole causes it to cool, as indicated by an arrow 333.
  • the control is accordingly adapted to the temperature which exceeds the Temperature sensor 57 is detected to regulate again high and at the same time to regulate the flow rate of the pump 16 so that no droplets form. That is, with decreasing temperature less water is pumped and with increasing temperature more water is pumped.
  • FIG. 4 shows the example of a temperature profile as according to the method of the invention, the temperature can be controlled.
  • Diagram 400 shows temperature 410 up and time 420 right. For example, with 430, a temperature is shown at a one-point prefix, which should typically be between 70 ° and 120 ° C, and which is defined in the lowest temperature range for sensitive tissue. If it is determined that there is a steam demand, for example via a comparator in the controller that determines that a ironing program is requesting steam, or if a user has pressed the instant steam switch and wants a steam blast, the temperature is raised to a level 440 to To set the sole a temperature that allows steam generation without droplet formation.
  • the temperature is regulated back to a level 450, which essentially corresponds to the initial level 430 and thus the preset temperature for the treatment of sensitive tissue, which is set on the temperature controller.
  • the Applicant has found through experiments that an elevated sole temperature at a "one-point" setting of the temperature controller, ie the lowest temperature setting on the iron for gentle tissue treatment and not to damage the fabric leads. This is due, for example, to the fact that the steam shown has 100 ° C and thus the temperature is within the specification of the tolerance range for a point. Further, the fabric is quickly wetted by the generated steam, leaving it only 100 ° C warm, although the sole temperature may be higher.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Irons (AREA)
EP16171352.4A 2015-05-29 2016-05-25 Fer à repasser à vapeur et son procédé de fonctionnement Active EP3098345B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201530762A ES2592558B1 (es) 2015-05-29 2015-05-29 Plancha a vapor y procedimiento para la puesta en funcionamiento de una plancha a vapor
DE102015225091.1A DE102015225091A1 (de) 2015-05-29 2015-12-14 Dampfbügeleisen und Verfahren zum Betrieb eines Dampfbügeleisens

Publications (2)

Publication Number Publication Date
EP3098345A1 true EP3098345A1 (fr) 2016-11-30
EP3098345B1 EP3098345B1 (fr) 2019-07-03

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3060030A1 (fr) * 2016-12-13 2018-06-15 Seb S.A. Appareil de repassage a la vapeur comprenant une base generatrice de vapeur et un fer a repasser relies entre eux par un conduit
FR3060032A1 (fr) * 2016-12-13 2018-06-15 Seb S.A. Appareil de repassage a la vapeur comprenant une base generatrice de vapeur et un fer a repasser relies entre eux par un conduit
FR3060033A1 (fr) * 2016-12-13 2018-06-15 Seb S.A. Fer a repasser comportant une surface de repassage, une semelle chauffante et une chambre de vaporisation
FR3060028A1 (fr) * 2016-12-13 2018-06-15 Seb S.A. Fer a repasser comportant une surface de repassage, une semelle chauffante et une chambre de vaporisation

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05337299A (ja) * 1992-06-12 1993-12-21 Sanyo Electric Co Ltd アイロン掛け台、及びそれを用いるアイロン装置
JPH06292798A (ja) * 1993-04-09 1994-10-21 Matsushita Electric Ind Co Ltd アイロン
WO1999022061A1 (fr) * 1997-10-29 1999-05-06 Koninklijke Philips Electronics N.V. Fer a vapeur a commande de puissance par anticipation
WO2006067756A2 (fr) * 2004-12-22 2006-06-29 Koninklijke Philips Electronics N.V. Dispositif de production de vapeur
WO2008034693A1 (fr) * 2006-09-21 2008-03-27 BSH Bosch und Siemens Hausgeräte GmbH Fer à repasser à vapeur et méthode de repassage à température constante
WO2012085746A1 (fr) * 2010-12-23 2012-06-28 Koninklijke Philips Electronics N.V. Dispositif de repassage à vapeur

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05337299A (ja) * 1992-06-12 1993-12-21 Sanyo Electric Co Ltd アイロン掛け台、及びそれを用いるアイロン装置
JPH06292798A (ja) * 1993-04-09 1994-10-21 Matsushita Electric Ind Co Ltd アイロン
WO1999022061A1 (fr) * 1997-10-29 1999-05-06 Koninklijke Philips Electronics N.V. Fer a vapeur a commande de puissance par anticipation
WO2006067756A2 (fr) * 2004-12-22 2006-06-29 Koninklijke Philips Electronics N.V. Dispositif de production de vapeur
WO2008034693A1 (fr) * 2006-09-21 2008-03-27 BSH Bosch und Siemens Hausgeräte GmbH Fer à repasser à vapeur et méthode de repassage à température constante
WO2012085746A1 (fr) * 2010-12-23 2012-06-28 Koninklijke Philips Electronics N.V. Dispositif de repassage à vapeur

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3060030A1 (fr) * 2016-12-13 2018-06-15 Seb S.A. Appareil de repassage a la vapeur comprenant une base generatrice de vapeur et un fer a repasser relies entre eux par un conduit
FR3060032A1 (fr) * 2016-12-13 2018-06-15 Seb S.A. Appareil de repassage a la vapeur comprenant une base generatrice de vapeur et un fer a repasser relies entre eux par un conduit
FR3060033A1 (fr) * 2016-12-13 2018-06-15 Seb S.A. Fer a repasser comportant une surface de repassage, une semelle chauffante et une chambre de vaporisation
FR3060028A1 (fr) * 2016-12-13 2018-06-15 Seb S.A. Fer a repasser comportant une surface de repassage, une semelle chauffante et une chambre de vaporisation
EP3336245A1 (fr) * 2016-12-13 2018-06-20 Seb S.A. Appareil de repassage a la vapeur comprenant une base generatrice de vapeur et un fer a repasser relies entre eux par un conduit
EP3336244A1 (fr) * 2016-12-13 2018-06-20 Seb S.A. Fer a repasser comportant une surface de repassage, une semelle chauffante et une chambre de vaporisation
EP3336243A1 (fr) * 2016-12-13 2018-06-20 Seb S.A. Fer a repasser comportant une surface de repassage, une semelle chauffante et une chambre de vaporisation
EP3336242A1 (fr) * 2016-12-13 2018-06-20 Seb S.A. Appareil de repassage a la vapeur comprenant une base generatrice de vapeur et un fer a repasser relies entre eux par un conduit
CN108611831A (zh) * 2016-12-13 2018-10-02 Seb公司 包括彼此之间通过导管连接的蒸汽发生基部和熨斗的蒸汽熨烫设备
CN108611832A (zh) * 2016-12-13 2018-10-02 Seb公司 包括熨烫表面，加热底板和蒸发室的熨斗
CN108611833A (zh) * 2016-12-13 2018-10-02 Seb公司 包括熨烫表面，加热底板和蒸发室的熨斗

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