EP3336240B1 - Bügeleisen, das eine rückhalte- und verdampfungsvorrichtung von kondensaten umfasst - Google Patents

Bügeleisen, das eine rückhalte- und verdampfungsvorrichtung von kondensaten umfasst Download PDF

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Publication number
EP3336240B1
EP3336240B1 EP17205796.0A EP17205796A EP3336240B1 EP 3336240 B1 EP3336240 B1 EP 3336240B1 EP 17205796 A EP17205796 A EP 17205796A EP 3336240 B1 EP3336240 B1 EP 3336240B1
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EP
European Patent Office
Prior art keywords
steam
side wall
vaporisation chamber
iron
flow
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EP17205796.0A
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English (en)
French (fr)
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EP3336240A1 (de
Inventor
Frédéric COLLET
Thomas Cordier
Stéphane Loprete
Xavier Chartoire
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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
    • D06F75/20—Arrangements for discharging the steam to the article being ironed
    • 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
    • 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
    • D06F75/24—Arrangements of the heating means within the iron; Arrangements for distributing, conducting or storing the heat

Definitions

  • the present invention relates to an iron comprising a circuit for the diffusion of a vapor flow in the direction of at least one vapor outlet hole, the circuit comprising a device for retaining and vaporizing the condensates making it possible to avoid the diffusion of water droplets through the steam outlet hole.
  • the condensate vaporization device comprises a first pipe which opens into a vaporization chamber formed in a body comprising a heating resistor, the vaporization chamber comprising a side wall comprising a lateral opening which communicates with a second pipe through which the flow of steam escapes from the vaporization chamber towards the vapor outlet holes.
  • Such a device for vaporizing condensates has the advantage of being compact, in particular in height, but nevertheless has the drawback of being able to allow condensates to escape, in particular when the flow of steam comprises large droplets of water moving. at high speed.
  • an object of the present invention is to remedy these drawbacks by proposing an iron comprising a device for the retention and vaporization of condensates which is compact, efficient and simple and. economical to achieve.
  • the invention relates to an iron comprising a circuit for diffusing a flow of steam towards at least one steam outlet hole, the circuit comprising a device for retaining and vaporizing the condensates. making it possible to prevent the diffusion of water droplets through the vapor outlet hole, characterized in that the device for retaining and vaporizing the condensates comprises a first pipe which opens into a vaporization chamber formed in a body comprising a resistance heating, the vaporization chamber comprising a side wall having a side opening which communicates with a second pipe through which the flow of vapor escapes from the vaporization chamber in the direction of the vapor outlet hole and in that the vaporization chamber comprises, in an area opposite the side opening, a condensate retention pocket forming an impasse towards which the flow of steam from the first pipe is sent and can only escape by turning back.
  • Such a characteristic makes it possible to obtain the establishment of a circulation flow in which the condensates are projected by the centrifugal force in the direction of the retention pocket while the steam can escape laterally through the lateral opening of the chamber. vaporization. An efficient separation of the condensates present in the vapor stream is thus obtained, the latter being progressively vaporized under the effect of the heat given off by the heating resistor.
  • such a construction has the advantage of using a change in the direction of the flow of steam in a single horizontal plane, which makes it possible to obtain a device having a small overall height.
  • retention pocket forming a dead end is meant that the retention pocket comprises a single access channel through which the flow of steam enters and leaves the retention pocket.
  • the flow of vapor is directed towards a side wall of the vaporization chamber extending between the lateral opening and the pocket, the side wall having a shape adapted to deflect the water droplets projected on the side wall in the direction of the pocket.
  • the side wall extends according to a curved shape and preferably according to an arc of a circle.
  • Such a feature makes it possible to effectively deflect the condensates projected on the side wall in the direction of the retention pocket.
  • the first pipe winds around the vaporization chamber.
  • Such a characteristic makes it possible to obtain a device which is particularly compact in width.
  • the first pipe is delimited laterally by the side wall of the vaporization chamber and by a peripheral side wall extending around the vaporization chamber, the peripheral side wall comprising a portion projecting at inside the vaporization chamber.
  • Such a protrusion has the advantage of forming a deflector which deflects the flow of steam in a predetermined direction.
  • the vaporization chamber comprises a ceiling which comprises a rib which extends from the peripheral side wall and which extends towards the pocket.
  • Such a rib has the advantage of guiding the condensate flowing along the ceiling towards the pocket.
  • the vaporization chamber comprises a bottom which is arranged lower than the mouth of the first pipe so that a step results between the bottom of the vaporization chamber and the lower face of the pipe. the first pipeline.
  • Such a characteristic makes it possible to form a cavity in the bottom of the vaporization chamber in which the condensates can flow through gravity and be temporarily stored while waiting to be vaporized under the effect of the heat given off by the heating resistance.
  • the lateral opening is raised relative to the bottom of the vaporization chamber.
  • Such a feature makes it possible to limit the risk of condensates stored in the bottom of the vaporization chamber escaping through the side opening under the effect of the blast generated by the circulation of the vapor flow.
  • the device for the retention and vaporization of condensates comprises, upstream or downstream of the first pipe, at least one other retention pocket towards which the flow of steam is guided by one side of a wall, the pocket forming an impasse from which the flow of steam can escape only through a passage made on the other side of the wall.
  • Such a characteristic makes it possible to have an additional pocket in which at least part of the condensates transported by the flow can be trapped.
  • the bag is placed opposite an injection zone through which the flow of vapor is introduced into the device for retaining and vaporizing the condensates.
  • Such a pocket makes it possible to trap the most important condensates injected with the flow of steam at the level of the injection zone.
  • the pocket is placed near the heating resistor.
  • the heating resistor is supplied by a thermostat as a function of the temperature of the vaporization chamber.
  • the thermostat is arranged in so as to be triggered and to supply electrically the heating resistance when water is present in the bottom of the vaporization chamber.
  • the section of passage for the flow of steam in the vaporization chamber is greater than the section of passage in the first pipe.
  • the vaporization chamber constitutes a zone for expanding and reducing the speed of the vapor flow, which makes it possible to improve the efficiency of the device for the retention and vaporization of condensates.
  • the iron has an advantageously flat ironing surface and the steam outlet hole is made on the ironing surface.
  • the retention and vaporization device comprises an injection zone, at the level of which the flow of vapor is admitted into the device, which is surrounded on a part of its periphery by a side wall.
  • the side wall surrounding the injection zone delimits a first portion of the first pipe, the first pipe winding around the side wall having two successive 90 ° bends.
  • Such a feature makes it possible to project any condensate transported by the steam against the side wall of the first pipe.
  • the first pipe comprises a so-called centrifugation portion, which is an extension of the first portion and which extends substantially along an arcuate curve around the vaporization chamber.
  • the supply to the heating resistance is regulated by means of a thermostat to maintain the temperature of the vaporization chamber around a set temperature of between 100 ° C and 145 ° C and preferably between 100 ° C and 115 ° C.
  • Such a characteristic makes it possible to obtain a steam with a high humidity rate at the outlet of the vaporization chamber for better ironing performance.
  • the setpoint temperature of the thermostat is not adjustable by the user.
  • the flow of vapor injected into the device for the retention and vaporization of the condensates has a flow rate greater than or equal to 70 g / min.
  • the invention also relates to a steam ironing apparatus comprising a steam generating base connected by a duct to an iron as described above.
  • the steam-generating base comprises a water tank and contains a vessel for the generation of pressurized steam comprising a steam outlet provided with a solenoid valve connected to a steam line supplying the steam. up to the iron.
  • the base comprises means for injecting water from the reservoir directly into the steam pipe.
  • the means for injecting the water from the reservoir directly into the steam line comprise a pump, a solenoid valve and a bypass line.
  • the water is injected sequentially into the steam line when the solenoid valve is opened.
  • the figure 1 shows an ironing appliance comprising a steam-generating base 100 and an iron 1 interconnected by a flexible duct 101, the iron 1 comprising a plastic housing incorporating a gripping handle.
  • the base 100 comprises an inclined plane on which the iron 1 can come to rest during inactive ironing phases and contains, in a manner known per se, a tank 102 for the production of steam at a pressure of the order of 4 to 6 bars.
  • the tank 102 is supplied with water from a tank 103 by means of a supply circuit comprising a pump 104 controlled by an electronic card 108.
  • the tank 102 has a steam outlet provided with a solenoid valve 102A, controlled. by a trigger 10 arranged under the handle of the iron 1, connected to the iron 1 by a steam pipe 105 arranged in the pipe 101.
  • the supply circuit of the tank 102 also comprises a bypass line 106 making it possible to route water from the tank 103 directly into the steam line 105 and a two-way solenoid valve 107, controlled by the electronic card. 108, making it possible to supply, alternately or together, the tank 102 and the bypass pipe 106.
  • the base 100 is connected to the domestic electrical network by an electrical wire, not shown in the figures, which allows both the electrical supply of the heating means of the tank 102 and the electrical supply of the iron 1 through the led 101.
  • the iron 1 comprises a cap 2 which comprises a flat lower surface defining an ironing surface intended to come into contact with the laundry, the cap 2 being contiguous to a body constituted by a heating sole 3 comprising a substantially flat lower wall coming into contact with the laundry. directly in contact with the cover 2, the latter being bonded to the heating sole 3 by a silicone adhesive.
  • the cover 2 is advantageously constituted by an aluminum sheet, with a thickness of the order of 1.4 mm, covered with enamel on its underside, and comprises a front part, disposed in front of the transverse axis Y passing through the middle of the cover 2, generally having a triangular shape with a point at its front end and a rear part, disposed behind the transverse axis Y, of greater width ending in a rounded rear edge.
  • the heating sole 3 is constituted by an aluminum foundry in which is embedded a first U-shaped shielded electrical resistance 31, the latter extending only in a rear part of the heating sole 3 surmounting the rear part of the cap 2 so as to generate at the rear part of the cap 2 a so-called hot zone where the temperature of the ironing surface is the highest.
  • the power supply to the first electrical resistance 31 is regulated by means of a first thermostat advantageously constituted by a CTN probe, not shown in the figures, pressed against a boss 32 provided on the rear part of the heating sole 3 and associated with a relay controlled by the electronic card 108.
  • the first electrical resistance 31 advantageously has a power of between 300 W and 600 W and the first thermostat comprises a setpoint temperature which is adjustable by the user over a range advantageously between 90 ° C and 240 ° C, and preferably between 110 ° C and 200 ° C, this setpoint temperature of the first thermostat corresponding to the temperature at a point A located in the hot zone of the ironing surface, near the center of the cap 2.
  • the heating sole 3 comprises, opposite the front part of the cover 2, a front part 4 provided with a second U-shaped shielded electrical resistance 41 also having a power advantageously between 300 and 600 W.
  • the heating soleplate 3 could be produced by molding in an aluminum alloy foundry having a mass of the order of 350 g which is molded onto the first and second shielded electric resistors, each of these electric resistors. having a power of the order of 450W.
  • the front part 4 comprises an upper face on which protrudes a peripheral wall 42 which laterally delimits a device for the retention and vaporization of the condensates comprising in particular a central reservoir 43 forming a vaporization chamber, of the instant vaporization type, the vaporization chamber 43 being closed at its upper end by a cover 6 which comes to rest on the upper edge of the peripheral wall 42.
  • the cover 6 supports a second thermostat 60 fixed on a stud 44 projecting into the vaporization chamber 43 and passing through the cover 6.
  • the second thermostat 60 is connected to the second electrical resistance 41 to regulate the temperature of the vaporization chamber 43 around of a fixed setpoint temperature, not adjustable by the user, slightly greater than 100 ° C and preferably of the order of 105 ° C.
  • the second thermostat 60 is advantageously produced by means of a mechanical thermostat of the bimetal type, the precision required for the temperature regulation of the heating body 4 being less important than that required for the temperature regulation of the heating sole 3.
  • the cover 6 comprises a connector 61, which is connected to the steam pipe 105 which is integrated into the pipe 101 connecting the steam generator base 100 to the iron 1, this connector 61 making it possible to supply the vaporization chamber 43 with the steam produced by the tank 102.
  • the connector 61 opens into the front part 4 at an injection zone 45 from which the vapor escapes through the device for retaining and vaporizing the condensates.
  • the condensate retention and vaporization device comprises a peripheral side wall 5 having a U-shaped portion 5A which surrounds the injection zone 45 over more than 75% of its periphery and thus forms an enclosure having a single outlet 45A oriented towards a first pocket 45B, in a cul-de-sac, which advantageously extends above the second electrical resistance 41, the pocket 45B being situated in the direction of the flow of the flow of steam coming from the zone injection 45.
  • the condensate retention and vaporization device also comprises a vaporization circuit comprising a first pipe 43A, the inlet 43D of which is disposed laterally at the outlet 45A so that the flow entering the first duct 43A flows in the opposite direction to the flow exiting through exit 45A.
  • the first pipe 43A has a first portion which wraps around the portion 5A of the side wall 5 by presenting two successive 90 ° bends, then has a so-called centrifugation portion which extends substantially along an arcuate curve. circle around the vaporization chamber 43, turning in the opposite direction to the elbows of the first portion, and partly running above the second electrical resistance 41.
  • the centrifugation portion comprises a first zone, represented by a first series of hatches on the figure 4 , which extends over an angular sector close to 180 ° and which is delimited laterally by the internal lateral face of the lateral wall 5 and by the external lateral face of a lateral wall 8 in an arc of a circle, of smaller radius, bordering the vaporization chamber 43.
  • the radius of curvature of the side wall 5 at the level of the centrifugation portion is greater than 25 mm and the passage section gradually increases to reach a maximum passage section at the outlet of this first zone.
  • the passage section may be of the order of 100 mm 2 at the level of the entrance to the first zone and of the order of 130 mm 2 at the level of the exit of the first zone.
  • the centrifugation portion comprises, in the extension of the first zone, a second zone, represented by a second series of hatching, which opens into the vaporization chamber 43.
  • the vaporization chamber 43 comprises a bottom which is arranged lower than the outlet end of the first pipe 43A so that a step 48 results at the inlet of the vaporization chamber 43, the bottom set back from the vaporization chamber 43 forming a condensate storage cavity .
  • the centrifugation portion has, at the level of the second zone, particular shapes making it possible to deflect the water droplets propelled by the flow of steam towards a second pocket 43E, in a dead end, formed between the two branches of the second U-shaped electrical resistance 41.
  • This second pocket 43E is formed at one end of the vaporization chamber 43 and is delimited by the internal lateral face of the lateral wall 8 and by an internal wall 8A which projects inside the vaporization chamber 43.
  • the internal wall 8A joins the side wall 8, forming an obtuse angle with it at the level of an edge 80 which delimits the entrance to the vaporization chamber 43, the second pocket 43E being open opposite the entrance to vaporization chamber 43.
  • the internal side face of the side wall 5 has, facing the edge 80, a part having a gradually decreasing radius of curvature and which ends in a part 5B projecting at the entrance of the vaporization chamber 43 and forms a deflector which deflects the water droplets propelled by the steam flow towards the second pocket 43E.
  • the cover 6 comprises a lower face which defines the ceiling of the vaporization chamber 43 and which comprises a rib 62 which extends the side wall 5 at the end of the deflector 5B and extends towards the second pocket 43E to guide the condensates flowing on the ceiling of the vaporization chamber 43 towards the second pocket 43E.
  • the vaporization chamber 43 is delimited laterally, behind the deflector 5B, by an intermediate side wall 9 which extends in a curved manner between the side wall 5 and the side wall 8 and delimits a part of the outer contour of the vaporization chamber 43
  • the side wall 5 and the intermediate side wall 9 advantageously form an obtuse angle between them at the level of their intersection and the end of the deflector 5B protrudes with respect to the internal side surface of the intermediate side wall 9.
  • the intermediate side wall 9 has, on its upper edge, a notch which forms the lower end of a lateral opening 43C which communicates with a second pipe 43B, the other part of the lateral opening 43C being formed in the cover 6 , visible on the figure 7 .
  • the side opening 43C has a lower edge which is located at a distance of the order of 12 mm relative to the bottom of the vaporization chamber 43.
  • the second pipe 43B advantageously extends opposite to the first pipe 43A relative to the vaporization chamber 43 and has a shape such that the steam flow makes a 180 ° turn passing from the first pipe 43A to the second pipe 43B through the side opening 43C.
  • the second pipe 43B extends outside the side wall 9 intermediate and in the direction of the front end of the heating body 4 where it communicates with two passages 46 passing through the heating body 4 to open out on the underside of the heating body 4, in a vapor diffusion chamber 7, visible on the figure 5 , formed in a cavity 30 of the heating soleplate 3 arranged between the vaporization chamber 43 and the cap 2.
  • This cavity 30 limits the heat exchange taking place by conduction between the heating sole 3 and the cap 2 and thus generates, in the front part of the cap 2, a so-called cold zone where the temperature of the ironing surface is lower. than in the hot area located in the rear part of the cuff.
  • the cavity 30 has a generally triangular shape, matching the shape of the front part of the cap 2, the width of which represents at least 65% of the width of the cap 2.
  • the diffusion chamber 7 makes it possible to supply steam to a first group 21 of steam outlet holes 20 located mainly in the front part of the cap 2, in the cold zone of the ironing surface, and a second group 22 of steam outlet holes 20 arranged in the rear part of the cap 2, in the hot zone of the ironing surface.
  • the vapor outlet holes 20 of the first group 21 are mainly arranged directly opposite the diffusion chamber 7 so that the vapor diffused by these holes does not come into contact with the heating sole 3 and is not heated by this last before being diffused outside the fairing 2.
  • the steam outlet holes 20 of the first group 21 are distributed over the entire surface of the cap 2 covered by the cavity 30 so as to diffuse steam over a width corresponding to at least 65% of the width of the cover 2.
  • the steam outlet holes 20 of the second group 22 are for their part supplied indirectly through distribution channels 47 formed on the rear part of the cap 2, at which the steam is reheated before being diffused through the outside of the fairing 2.
  • the tank 102 When the appliance is started up, the tank 102 is heated and the water it contains is brought to a boil, the pressurized steam produced by the tank 102 being transmitted through the steam line 105 to the iron 1 During this transmission of the steam through the steam line 105, the temperature of the steam drops so that condensate forms in the stream of steam arriving in the iron 1.
  • any droplets which are nevertheless entrained in the first pipe 43A of the device by the flow of steam then flow along the outer side wall 5 of the centrifugation portion and reach the deflector 5B where they are projected into the vaporization chamber 43 towards the side wall 8 facing the deflector 5B.
  • the water droplets then move in the vaporization chamber 43 according to a parabolic-type curve, illustrated by a dotted arrow on the figure 4 , until they hit the side wall 8 where they are drawn into the second pocket 43E, while the steam can escape directly through the side opening 43C provided at the top of the vaporization chamber 43.
  • the condensates transported by the steam are less numerous and move as separate water droplets or as a liquid film moving along the walls of the vaporization circuit under the effect of the driving forces generated by the flow of steam.
  • the film of liquid which flows in the first pipe 43A along the side wall 5 reaches a zone located downstream of the deflector 5B, in front of the ridge 80, where the speed of the vapor flow decreases, under the effect of the sudden change of direction, so that the film flows by gravity into the bottom of the vaporization chamber, downstream of step 48.
  • the liquid film which flows over the cover 6, along the ceiling of the vaporization chamber 43, is itself guided by the rib 62 into the second pocket 43E which forms a quiet zone, away from the main vapor flow. , where the drops can flow by gravity into the bottom of the vaporization chamber 43.
  • the water accumulated in the bottom of the vaporization chamber 43, following the recovery of the condensates transported by the vapor flow and the recovery of the films of liquid is then gradually vaporized while being heated by the heat transmitted by the bottom of the vaporization chamber 43.
  • the energy expended to vaporize this water contributes to lowering the temperature of the vaporization chamber 43 and thus prevents it from being overheated by the heat flow produced by the first electrical resistance 31 when the set temperature of the latter is greater than 200 ° C.
  • Such a construction of the vaporization chamber 43 makes it possible to obtain a vapor at the outlet of the vaporization chamber 43 loaded only with micro-droplets of water, this vapor passing through the passages 46 to be delivered into the diffusion chamber 7. cut above the front part of the cover 2.
  • the diffusion chamber 7 being remote from the hot zone of the cap 2, the vapor therein is diffused through the vapor outlet holes 20 of the first group 21 with a high moisture content, that is to say by being loaded with micro-droplets of liquid water which are deposited on the fabric being ironed.
  • such a construction makes it possible to establish a strong thermal gradient between a point B located in the cold zone of the ironing surface and point A located in the hot zone of the ironing surface, thanks to a geometry which makes it possible to limit the heat flow between the center of the cap 2, subjected directly to the heating of the first electrical resistance 31, and the front part of the cap 2.
  • the temperature of the heating sole 3, and therefore of the rear part of the ironing surface can be regulated around a set point temperature which can reach more than 240 ° C, while maintaining a temperature in the front part of the ironing surface.
  • the electronic card 108 may advantageously include a controlling program. the pump 104 and the solenoid valve 107 to regularly inject small quantities of water into the steam line 105.
  • the water injected into the steam line 105 is taken with the steam flow to the vaporization chamber 43 where these water droplets, intentionally introduced, are vaporized causing a drop in the temperature of the chamber. spray 43.
  • This controlled injection of water into the steam line 105 can be carried out systematically when the user actuates the trigger 10 controlling the solenoid valve 102A for the emission of steam through the steam line 105.
  • the electronic card 18 will be able to control, at regular intervals, the opening of the solenoid valve 107 and the starting of the pump 104 to direct the water coming from the pump 104 to the steam line 105 when opening of the solenoid valve 102A.
  • the pump will be active for 100 ms over a period of 500 ms throughout the opening phase of the solenoid valve 102A, the solenoid valve 107 being activated and deactivated with a time latency, for example 100 ms, compared to the activation of the pump 104.
  • the controlled injection of water into the steam pipe 105 may be conditioned to the setpoint temperature of the first electrical resistance 31.
  • the controlled injection of water may not be intervene only when the setpoint temperature of the first electrical resistance 31 is greater than a certain threshold, for example 200 ° C.
  • the regular injection of small quantities of water into the steam pipe 105 may be carried out in a controlled manner as a function of the effective temperature of the vaporization chamber 43 measured using a sensor. , the quantity of water injected being greater when the temperature of the vaporization chamber 43 is high.
  • the setpoint temperature of the first thermostat is low, close to 100 ° C
  • the presence of the second electrical resistance 41, and its regulation by the second thermostat 60 makes it possible to maintain the temperature of the vaporization chamber 43 at a temperature close to 105 ° C making it possible to gradually vaporize the condensates collected in the vaporization chamber.
  • the iron 1 thus produced therefore allows the diffusion of a steam with a high humidity rate, but devoid of condensate, through the steam outlet holes 20 of the first group 21.
  • the steam thus emitted through the holes 20 condenses. rapidly in the thickness of the laundry and allows better ironing performance to be obtained, this condensation in the laundry being favored by the low temperature of the ironing surface, close to 100 ° C, in the vicinity of the steam outlet holes 20 of the first group 21 which avoids overheating the laundry.
  • the temperature of the front part of the cap 2 remains above 90 ° C thanks to the heat exchange being established by radiation with the part front 4 of the heating soleplate, by convection through the steam present in the cavity 30, or by conduction with the part of the heating sole 3 bordering the cavity 30, which is sufficient to prevent the steam from condensing directly on the cap 2 by creating wetting of the laundry by capillary action which would generate too long a drying time.
  • the steam emitted by the second group 22 of steam outlet holes 20 has the advantage of having a lower humidity rate than that of the steam emitted by the first group 21, due to the heating of the steam. taking place during its diffusion through the distribution channels of the heating soleplate 3, so that the emission of steam through these holes does not interfere with the drying of the laundry through the rear part of the cap 2.
  • the presence of the steam outlet holes 20 of the second group 22 makes it possible to improve the efficiency of the iron when only the rear part of the cap 2 is used to iron a particular area of the laundry on which the iron iron 1 is only moved backwards.
  • the cap may include only the first group of steam outlet holes and be devoid of the second group of steam outlet holes.
  • the vessel for the production of steam can be installed directly in the iron and / or be constituted by an instantaneous vaporization chamber.
  • the heating element could be produced by a screen printed flat heating element.
  • the iron may include a manifold disposed across the cavity of the heating sole.
  • This collector will advantageously be produced by stamping a stainless steel sheet comprising an exhaust port facing each steam outlet hole of the first group in order to pre-orient the flow of steam towards the latter.
  • Such a collector has the advantage of further limiting the heat exchanges being established between the steam flow and the heating soleplate, which makes it possible to further lower the temperature of the steam at the outlet of the steam outlet holes of the first group, for greater humidity of the laundry and better ironing performance.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Irons (AREA)

Claims (13)

  1. Bügeleisen (1), aufweisend einen Kreislauf zur Diffusion eines Dampfstroms in Richtung mindestens eines Dampfaustrittslochs (20), wobei der Kreislauf eine Vorrichtung zum Zurückhalten und Verdampfen von Kondensaten aufweist, die es ermöglicht, die Diffusion von Wassertröpfchen durch das Dampfaustrittsloch (20) zu vermeiden, wobei die Vorrichtung zum Zurückhalten und Verdampfen von Kondensaten ein erstes Rohr (43A) umfasst, das in eine in einem Körper (3) ausgebildete Verdampfungskammer (43) mündet, die einen Heizwiderstand (41) umfasst, wobei die Verdampfungskammer (43) eine Seitenwand (9) umfasst, die eine seitliche Öffnung (43C) aufweist, die mit einem zweiten Rohr (43B) in Verbindung steht, durch das der Dampfstrom aus der Verdampfungskammer (43) in Richtung des Dampfaustrittslochs (20) entweicht, dadurch gekennzeichnet, dass die Verdampfungskammer (43) in einem Bereich gegenüber der seitlichen Öffnung (43C) eine Tasche zum Rückhalten (43E) von Kondensaten umfasst, die eine Sackgasse bildet, zu der der Dampfstrom, der aus dem ersten Rohr (43A) kommt, geleitet wird und nur durch Umkehren des Weges entweichen kann.
  2. Bügeleisen (1) nach Anspruch 1, dadurch gekennzeichnet, dass am Auslass des ersten Rohres (43A) der Dampfstrom auf eine Seitenwand (8) der Verdampfungskammer (43) gerichtet ist, die sich zwischen der seitlichen Öffnung (43C) und der Tasche (43E) erstreckt, wobei die Seitenwand (8) eine Form vorweist, die geeignet ist, die auf die Seitenwand (8) fallenden Wassertropfen in Richtung der Tasche (43E) abzulenken.
  3. Bügeleisen (1) nach Anspruch 2, dadurch gekennzeichnet, dass sich die Seitenwand (8) in einer gekrümmten Form und vorzugsweise entlang eines Kreisbogens erstreckt.
  4. Bügeleisen (1) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das erste Rohr (43A) um die Verdampfungskammer (43) gewickelt ist.
  5. Bügeleisen (1) nach Anspruch 4, dadurch gekennzeichnet, dass das erste Rohr (43A) seitlich durch die Seitenwand (8) der Verdampfungskammer (43) und durch eine periphere Seitenwand (5) begrenzt ist, die sich um die Verdampfungskammer (43) erstreckt, wobei die periphere Seitenwand (5) einen Teil (5B) umfasst, der in das Innere der Verdampfungskammer (43) hineinragt.
  6. Bügeleisen (1) nach Anspruch 5, dadurch gekennzeichnet, dass die Verdampfungskammer (43) eine Decke aufweist, die eine Rippe (62) umfasst, die in Verlängerung der peripheren Seitenwand (5) steht und sich in Richtung der Tasche (43E) erstreckt.
  7. Bügeleisen (1) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Verdampfungskammer (43) einen Boden aufweist, der niedriger als die Mündung des ersten Rohrs (43A) angeordnet ist, so dass dies zu einer Stufe (48) zwischen dem Boden der Verdampfungskammer (43) und der unteren Seite des ersten Rohrs (43A) führt.
  8. Bügeleisen (1) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die seitliche Öffnung (43C) relativ zu dem Boden der Verdampfungskammer (43) angehoben ist.
  9. Bügeleisen (1) nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Vorrichtung zum Zurückhalten und Verdampfen von Kondensaten stromaufwärts oder stromabwärts des ersten Rohrs (43A) mindestens eine andere Tasche zum Rückhalten (45B) aufweist, zu der der Dampfstrom durch eine Seite einer Wand (5A) geführt wird, wobei die Tasche (45B) eine Sackgasse bildet, aus der der Dampfstrom nur durch einen Durchgang entweichen kann, der von der anderen Seite der Wand (5A) ausgebildet ist.
  10. Bügeleisen (1) nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass der Heizwiderstand (41) in Abhängigkeit von der Temperatur der Verdampfungskammer (43) von einem Thermostat (60) versorgt wird.
  11. Bügeleisen (1) nach Anspruch 10, dadurch gekennzeichnet, dass der Thermostat (60) so angeordnet ist, dass er ausgelöst wird und den Heizwiderstand (41) elektrisch versorgt, wenn Wasser am Boden der Verdampfungskammer (43) vorhanden ist.
  12. Bügelgerät mit einer Dampferzeugungsbasis (100), die durch eine Leitung (101) mit einem Bügeleisen nach einem der Ansprüche 1 bis 11 verbunden ist.
  13. Bügelgerät nach Anspruch 12, dadurch gekennzeichnet, dass die Basis (100) ein Wasserreservoir (103) aufweist und einen Tank (102) zur Erzeugung von Dampf unter Druck umschließt, der einen Dampfauslass aufweist, der mit einem Magnetventil (102A) versehen ist, das mit einer Dampfleitung (105) verbunden ist, die den Dampf zu dem Bügeleisen (1) bringt.
EP17205796.0A 2016-12-13 2017-12-07 Bügeleisen, das eine rückhalte- und verdampfungsvorrichtung von kondensaten umfasst Active EP3336240B1 (de)

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FR1662361A FR3060029B1 (fr) 2016-12-13 2016-12-13 Fer a repasser comportant un dispositif de retention et vaporisation des condensats

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FR3060029B1 (fr) * 2016-12-13 2018-11-23 Seb S.A. Fer a repasser comportant un dispositif de retention et vaporisation des condensats
CN110284312B (zh) * 2019-06-11 2021-02-09 宁波环海智能电器有限公司 一种蒸汽电熨斗装置
FR3136245A1 (fr) * 2022-06-01 2023-12-08 Seb S.A. Appareil électroménager comportant une cuve pour la génération de vapeur sous pression.

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DE3435051A1 (de) * 1984-09-24 1986-04-03 Veit GmbH & Co, 8910 Landsberg Dampfbuegeleisen
FR2849453B1 (fr) * 2002-12-31 2005-03-25 Kai Tung Augustine Fung Fer a repasser a generateur de vapeur
CN102112679B (zh) * 2008-07-31 2012-10-03 皇家飞利浦电子股份有限公司 蒸汽熨斗
FR3000111B1 (fr) * 2012-12-21 2015-01-02 Seb Sa Appareil de repassage a la vapeur comportant un generateur de vapeur sous pression et un fer a repasser
FR3006337B1 (fr) * 2013-05-30 2015-05-22 Seb Sa Appareil de repassage a la vapeur comprenant un fer a repasser
CN107002346B (zh) * 2014-08-26 2019-06-07 皇家飞利浦有限公司 蒸汽熨斗头
US10246815B2 (en) * 2014-08-26 2019-04-02 Koninklijke Philips N.V. Steam iron head
FR3060029B1 (fr) * 2016-12-13 2018-11-23 Seb S.A. Fer a repasser comportant un dispositif de retention et vaporisation des condensats

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CN108611830A (zh) 2018-10-02
FR3060029A1 (fr) 2018-06-15
EP3336240A1 (de) 2018-06-20
CN208395535U (zh) 2019-01-18
FR3060029B1 (fr) 2018-11-23

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