EP3575485B1 - Ironing device provided with a steam control unit - Google Patents

Ironing device provided with a steam control unit Download PDF

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Publication number
EP3575485B1
EP3575485B1 EP19173573.7A EP19173573A EP3575485B1 EP 3575485 B1 EP3575485 B1 EP 3575485B1 EP 19173573 A EP19173573 A EP 19173573A EP 3575485 B1 EP3575485 B1 EP 3575485B1
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EP
European Patent Office
Prior art keywords
steam
flow
flow rate
control circuit
feed pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19173573.7A
Other languages
German (de)
French (fr)
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EP3575485A1 (en
Inventor
Thierry Napoli
Thierry MARINI
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SEB SA
Original Assignee
SEB SA
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • D06F75/14—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
    • 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
    • D06F75/24—Arrangements of the heating means within the iron; Arrangements for distributing, conducting or storing the heat
    • 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
    • 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

Definitions

  • the present invention relates to the field of ironing devices, and in particular ironing devices equipped with steam control members.
  • Such a device is for example described in the applications WO 01/55496 or EP 3,266,926 .
  • the water supply flow rate to the vaporization chamber is generally quite low.
  • the present invention aims to remedy all or part of these drawbacks.
  • the technical problem underlying the invention consists in particular in providing an ironing appliance exhibiting improved ironing efficiency, while limiting the risks of water being sprayed onto a laundry to be ironed.
  • the present invention relates to an ironing appliance comprising a water tank, an iron comprising a vaporization chamber for the production of steam and a steam control member intended to be operated manually by a user and configured. for controlling a water supply to the vaporization chamber when the steam controller is actuated, the iron further comprising an electric heating resistor configured to heat the vaporization chamber and a heater control circuit configured to drive the power supply of the electric heating resistance, characterized in that the steam control member is connected to the heating control circuit and is configured to control the communication of an actuation signal to the heating control circuit when the steam controller is actuated, and in that the heater control circuit is configured to modify the electrical supply of the electric heating resistance when an actuation signal is communicated to the heating control circuit.
  • Such a configuration of the ironing appliance makes it possible in particular to control the power supply to the electric heating resistance when the steam control member is actuated by a user. These arrangements thus make it possible to limit the drop in the temperature of the vaporization chamber during a phase of demand for steam, and thereby ensure rapid vaporization of a large quantity of water injected into the vaporization chamber.
  • the ironing device achieves ironing efficiency improved compared to the ironing apparatus of the prior art, while limiting the risks of water being sprayed onto a laundry to be ironed.
  • the ironing device may also have one or more of the following characteristics, taken alone or in combination.
  • the iron comprises a temperature sensor connected to the heating control circuit, the heating control circuit being configured to regulate the power supply to the electric heating resistance so as to bring the temperature at the temperature sensor around a set point temperature, and in which, when the steam control member is actuated and controls the water supply to the vaporization chamber, the value of the set temperature is automatically increased from an initial setpoint.
  • the ironing apparatus is configured such that when the steam control member is actuated and controls the water supply to the vaporization chamber, the heater control circuit automatically increases the pressure. setpoint temperature value in relation to the initial setpoint.
  • the temperature sensor is configured to determine the temperature of the vaporization chamber.
  • the temperature sensor could however be configured to determine the temperature of an ironing sole of the iron.
  • the setpoint temperature is automatically reduced to the initial setpoint.
  • the ironing appliance is configured in such a way that when the water supply to the vaporization chamber is interrupted, the heating control circuit automatically returns the value of the set temperature to the value initial setpoint.
  • the initial setpoint value corresponds to a reference temperature adjustable by the user.
  • the iron comprises a feed pump fluidly connected to the water tank and configured to supply water to the vaporization chamber, and a flow control circuit connected to the member. steam controller and configured to control the operation of the feed pump according to a position or state occupied by the steam controller.
  • the feed pump is configured to feed water to the vaporization chamber when the vapor control member is actuated.
  • the feed pump is an electric feed pump.
  • the ironing appliance comprises a conveying duct fluidly connecting the water reservoir to the vaporization chamber.
  • the iron comprises a gripping part on which the steam control member is mounted.
  • the steam control member is movable between a rest position and a steam control position, the steam control member being configured to be moved into the steam control position. steam when operated by a user.
  • the iron comprises a biasing member configured to urge the steam control member towards the rest position.
  • the steam control member is pivotally mounted between the rest position and the steam control position.
  • the steam control member comprises a handling part projecting from the gripping part, and for example located under the gripping part.
  • the steam control member is configured to control an interruption of the water supply to the vaporization chamber when the steam control member is released.
  • the ironing appliance is configured such that an actuation of the steam control member causes the supply pump to be started and a water supply to the machine. vaporization chamber, and such that a release of the vapor control member causes shutdown of the feed pump and an interruption of the water supply to the vaporization chamber.
  • the steam control member is a steam control trigger.
  • actuation of the steam control trigger corresponds to maintaining the steam control trigger in the steam control position.
  • the steam control member is configured to control the communication of an activation signal to the flow control circuit when the steam control member is actuated and to control the communicating a deactivation signal to the flow control circuit when the steam controller is released, and the flow control circuit is configured to turn on the feed pump when an activation signal is released. communicated to the flow control circuit and to stop the feed pump when a deactivation signal is communicated to the flow control circuit.
  • the flow control circuit controls the feed pump according to a flow control program comprising a first flow control phase in which the average flow rate of the feed pump is maintained at a first flow rate for a period of time. first predetermined duration, and at least a second flow regulation phase following the first flow regulation phase and during which the average flow rate of the feed pump is maintained for a second predetermined duration at a second flow rate level which is lower than the first flow rate.
  • the average flow rate of the feed pump during the first flow regulation phase is between 100 and 130 g / min, and advantageously of the order of 112 g / min.
  • the average flow rate of the feed pump during the first flow rate regulation phase corresponds to approximately 70% of the maximum flow rate of the feed pump.
  • the flow rate regulation program comprises a plurality of flow rate regulation phases which follow one another after the second flow rate regulation phase and which define a plurality of flow rate steps which follow one another after the second flow rate step to gradually decrease the average flow rate of the feed pump when the steam control member is actuated continuously for an actuation duration greater than the sum of the first and second predetermined durations.
  • the flow rate regulation program comprises a series of N flow rate regulation phases which follow one another and which define a series of N flow rate steps which follow one another, N being a integer greater than or equal to 4.
  • the series of N flow rate steps is defined such that the rate level P X + 1 is less than the rate level Px, for each value of X between 1 and N- 1.
  • the flow rate regulation program is configured such that, at each new flow rate regulation phase, the average flow rate of the feed pump is reduced by at least 10%. For example, if the average feed pump flow rate during the first phase of flow control is approximately 70% of the maximum feed pump flow, the average feed pump flow during the second phase of Flow control will correspond to approximately 60% of the maximum flow of the feed pump, and so on until the last flow control phase of the series of flow control phases. Such a reduction in the average feed pump flow rate can be achieved by operating the feed pump intermittently.
  • the predetermined duration of the first flow rate regulation phase is greater than the duration of each of the other flow rate regulation phases of the flow rate regulation program.
  • the predetermined duration of the first flow regulation phase is of the order of 2 to 3 seconds, and is preferably of the order of 2.5 seconds.
  • the duration of each of the flow rate regulation phases of the flow rate regulation program, with the exception of the first flow rate regulation phase is less than 1 second, and is preferably the order of 0.5 seconds.
  • the last phase of flow regulation of the flow regulation program lasts without interruption until the water supply to the vaporization chamber is interrupted, and in particular until that the steam controller controls the interruption of the water supply to the vaporization chamber.
  • N is equal to 7.
  • the flow rate regulation program is configured such that, for a duration of actuation of the steam control member less than or equal to 200 ms, the flow rate regulation program only performs the first phase of flow control.
  • the flow rate regulation program is configured such that, for a duration of actuation of the steam control member greater than or equal to 6 s, the flow rate regulation program performs all the flow regulation phases.
  • the flow control circuit when the water supply to the vaporization chamber is interrupted, the flow control circuit counts down a duration of interruption of the water supply to the vaporization chamber and the flow rate.
  • means of the feed pump which is defined by the flow control circuit when the steam controller is actuated again (i.e. when the steam controller is actuated for the first time steam taking place just after said interruption of the water supply to the vaporization chamber), is then a function of the duration of the interruption of the water supply to the vaporization chamber.
  • the average flow rate of the feed pump which is defined by the flow control circuit when the steam control member is actuated again, increases as a function of the duration of interruption of the water supply to the vaporization chamber.
  • the flow control circuit is configured such that, for a duration of interruption of the water supply to the vaporization chamber of less than or equal to 1 s, the average flow of the feed pump, which is defined by the flow control circuit when the steam control unit is actuated again, corresponds to the average flow of the feed pump during the flow regulation phase previously executed by the flow control program.
  • the flow control circuit controls the feed pump by restarting the flow regulation phase previously performed by the flow regulation program.
  • the flow rate control circuit is configured such that, for a duration of interruption of the water supply to the vaporization chamber greater than 3 s, the average flow rate of the vaporization chamber.
  • feed pump which is defined by the flow control circuit when the steam controller is actuated again, corresponds to the average flow rate of the feed pump during the first flow control phase of the program flow regulation.
  • the flow control circuit controls the feed pump from the first flow regulation phase. of the flow control program.
  • the flow control circuit is configured such that, for a duration of interruption of the water supply to the vaporization chamber of between 1 s and 3 s, the flow means of the feed pump, which is defined by the flow control circuit when the steam controller is actuated again, corresponds to the average flow of the feed pump during a flow regulation phase of the flow control program between the first flow control phase of the flow control program and the flow control phase previously executed by the flow control program.
  • the heating control circuit and the flow rate control circuit are integrated in a microprocessor.
  • the ironing appliance further comprises a base on which the iron is placed during inactive ironing phases.
  • the feed pump is integrated in the base.
  • the water tank is integrated into the base.
  • the iron comprises an ironing sole which is thermally bonded to the vaporization chamber and which is provided with at least one steam outlet orifice fluidly connected to the vaporization chamber.
  • the iron comprises a heating body thermally bonded to the ironing sole and comprising the vaporization chamber.
  • the heating body comprises a foundry at least partially delimiting the vaporization chamber.
  • the electric heating resistance is integrated in the foundry.
  • the heating body comprises a closure plate which rests on the foundry, the vaporization chamber being delimited by the foundry and the closure plate.
  • the figures 1 to 4 show an ironing device 2 which comprises a iron 3 and a base 4 on which the iron 3 can be placed during inactive ironing phases.
  • the ironing appliance 2 further comprises a water tank 5 integrated into the base 4 and which may for example be removable, and a water supply circuit fluidly connected to the water tank 5.
  • the water supply circuit water comprises in particular a water delivery pipe 6 fluidly connecting the water tank 5 to the iron 3, and a feed pump 7 integrated in the base 4 and configured to supply the iron 3 with water coming from of the water tank 5.
  • the feed pump 7 is advantageously an electric feed pump.
  • the iron 3 comprises a housing 8 comprising a gripping part 9 at its upper end, and an ironing sole 10 provided with a substantially flat ironing surface 11 and a plurality of steam outlet openings 12 opening into the ironing surface 11.
  • the iron 3 also comprises a heating body 13 integrated into the lower part of the housing 8, and thermally and mechanically linked to the ironing sole 10.
  • the heating body 13 comprises a foundry 14, for example made of aluminum, and a resistance electric heater 15 curved in U and integrated into the foundry 14.
  • the heating body 13 also includes a closure plate 16 (visible on the figure 3 ) which rests on the foundry 14, and a vaporization chamber 17, of the instant vaporization type, intended to be heated by the electric heating resistance 15.
  • the vaporization chamber 17 is advantageously delimited by the foundry 14 and the closure plate 16 .
  • the heating body 13 further comprises a liquid injection opening 18 fluidly connected to the supply pump 7 and opening into a front part of the vaporization chamber 17.
  • the supply pump 7 is thus configured to supply the chamber. spray 17 in water from the water tank 5.
  • the ironing apparatus 2 further comprises a steam distribution circuit 19 defined by the foundry 14 and the closure plate 16, and fluidly connecting the vaporization chamber 17 to the steam outlet orifices 12, in such a way that the vapor generated in the vaporization chamber 17 can flow to the vapor outlet openings 12.
  • the ironing appliance 2 also comprises a steam control member 21 carried by the iron 3 and intended to be operated manually by a user.
  • the steam control member 21 is in the form of a steam control trigger.
  • the steam control member 21 is more particularly mounted on the gripping part 9 of the iron 3.
  • the steam control member 21 comprises a handling part 22 projecting from the gripping part 9, and for example located under the gripping part.
  • the steam controller 21 is movable between a home position and a steam control position, and is configured to be moved to the steam control position when operated by a user.
  • the iron 3 comprises a biasing member (not shown in the figures) configured to urge the steam control member 21 towards the rest position.
  • the steam control member 21 may for example comprise a mounting part mounted to pivot about a pivot axis carried by the housing 8 such that the steam control member 21 is pivotally mounted between the rest position and the steam control position.
  • the steam control member 21 is more particularly configured to control the starting of the feed pump 7 and therefore a supply of water to the vaporization chamber 17 when the steam control member 21 is actuated by a user, and to control the stopping of the feed pump 7 and therefore an interruption of the water supply to the vaporization chamber 17 when the steam control member 21 is released by the user.
  • the ironing device 2 also includes a temperature sensor 23 configured to determine the temperature of the vaporization chamber 17 or of the ironing sole 9, and a heating control circuit 24 connected to the temperature sensor 23 and configured to regulate the power supply to the electric heating resistance 15 so as to bring the temperature to the level of the temperature sensor 23 around a setpoint temperature.
  • the steam control member 21 is advantageously connected to the heating control circuit 24 and is configured to control the communication of an actuation signal to the heating control circuit 24 when the steam control member 21 is actuated. by a user.
  • the heating control circuit 24 is in particular configured to modify the power supply to the electric heating resistance 15 when an actuation signal is communicated to the heating control circuit 24.
  • the heating control circuit 24 automatically increases the value of the setpoint temperature relative to an initial setpoint value, which can advantageously correspond to a temperature user adjustable reference.
  • the heating control circuit automatically returns the value of the set temperature to the value initial setpoint.
  • the ironing appliance 2 also comprises a flow control circuit 25 connected to the steam control member 21 and configured to control the operation of the feed pump 7 as a function of the position occupied by the control member. steam 21.
  • the steam controller 21 is configured to control the communication of an activation signal to the flow control circuit 25 when the steam controller 21 is actuated by a user, and to control the communication of a deactivation signal to the flow control circuit 25 when the steam control member 21 is released by the user
  • the flow control circuit 25 is configured to turn on the pump power supply 7 when an activation signal is communicated to the flow control 25 and to stop the feed pump 7 when a deactivation signal is communicated to the flow control circuit 25.
  • the flow control circuit 25 controls the supply pump 7 according to a flow rate regulation program comprising a series of N successive flow regulation phases which define a series of N successive flow levels, N being an integer greater than or equal to 4, and for example equal to 7.
  • the average flow rate of the feed pump 7 is maintained at a corresponding flow rate level Px for a corresponding predetermined duration tx, and this for each value of X between 1 and N.
  • the series of N flow regulation phases defines a series of N flow steps (from P 1 to P 7 ) defined so that the flow level P X + 1 is less than the flow level Px, for each value of X between 1 and N-1.
  • the average flow rate of the feed pump 7 is regulated around a respective set point flow, the values of the set point flows decreasing d 'a flow regulation phase to a following flow regulation phase.
  • the flow control program is configured to gradually decrease the average flow rate of the feed pump 7 when the steam controller 21 is operated continuously for an actuation time Ta greater than the sum of the predetermined durations of different successive flow regulation phases.
  • the average flow rate of the feed pump 7 successively decreases by flow rate steps P 1 to P 6 and until reaching the flow level P 7 .
  • the duration of actuation Ta of the steam controller 21 is greater than the predetermined duration t 1 but is less than or equal to the sum of the predetermined durations t 1 and t 2 , then the average flow rate of the feed pump 7 decreases only from the flow level P 1 to the flow rate level P 2 .
  • the average flow rate of the feed pump 7 during the first phase of flow regulation corresponds to approximately 70% of the maximum flow rate of the feed pump.
  • the average flow rate of the feed pump 7 during the first flow regulation phase can for example be between 100 and 130 g / min, and is advantageously of the order of 112 g / min.
  • the flow rate regulation program is configured such that, at each new flow rate regulation phase of the flow rate regulation program, the average flow rate of the feed pump 7 is reduced by 10%.
  • the average flow of the feed pump 7 during the second phase of flow regulation corresponds to approximately 60% of the maximum flow of the feed pump
  • the average flow of the feed pump 7 during the third phase flow regulation corresponds to approximately 50% of the maximum flow rate of the feed pump, and so on until the last flow regulation phase of the series of N flow regulation phases.
  • the predetermined duration t 1 of the first flow rate regulation phase, and therefore of the first flow rate level P 1 is greater than the predetermined duration of each of the other flow rate regulation phases, and therefore of each of the flow rate levels.
  • flow rate P 2 to P N-1 is advantageously of the order of 2 to 3 seconds, and preferably of the order of 2.5 seconds.
  • the predetermined duration of each of the flow regulation phases, with the exception of the first flow regulation phase, and therefore of the flow rate steps P 2 to P N-1 is less than 1 second, and is preferably 1 second. order of 0.5 seconds.
  • the last phase of flow regulation, and therefore the flow level P N lasts without interruption until the steam control member 21 orders the interruption of the flow. water supply to the vaporization chamber 17.
  • the flow rate regulation program is configured such that, for a duration of actuation Ta of the control member of steam 21 less than or equal to 200 ms, the flow control program only executes the first flow control phase, and for an actuation time Ta of the steam control unit 21 greater than or equal to 6 s, the Flow control program executes all of the flow control phases of the series of N flow control phases.
  • the flow control circuit 25 counts down an interruption duration Ti of the water supply to the vaporization chamber 17, and the average flow rate of the feed pump 7, which is defined by the circuit flow control 25 when the steam control member 21 is actuated again, is then a function of the interruption time Ti of the water supply to the vaporization chamber 17, and preferably increases as a function of the duration of interruption Ti of the water supply to the vaporization chamber 17.
  • the flow control circuit 25 can for example be configured such that, for a duration of interruption Ti of the water supply to the vaporization chamber 17 less than or equal to 1 s, the average flow rate of the feed pump 7, which is defined by the flow control circuit 25 when the steam control member 21 is actuated again, corresponds to the average flow rate of the feed pump 7 during the regulation phase flow rate previously executed by the flow rate control program, and such that, for a duration of interruption Ti of the water supply to the vaporization chamber 17 greater than 3 s, the average flow rate of the feed 7, which is defined by the flow control circuit 25 when the steam control member 21 is actuated again, corresponds to the average flow rate of the feed pump 7 during the first phase of flow regulation of the flow control program.
  • the flow control circuit 25 can be configured such that, for a duration of interruption Ti of the water supply to the vaporization chamber 17 of between 1 s and 3 s, the average flow rate of the pump feed 7, which is defined by the flow control circuit 25 when the steam control member 21 is actuated again, corresponds to the average flow of the feed pump 7 during a flow regulation phase of the flow control program between the first flow control phase and the flow control phase previously executed by the flow control program.
  • the average flow rate of the feed pump 7, which is defined by the flow control circuit 25 during a new actuation of the steam control member 21 may correspond to the average flow rate of the feed pump 7 during the fourth flow rate regulation phase, that is to say to the flow rate level P 4 .
  • the interruption times Ti and the actuation times Ta are followed, on the figure 5 , of index numbers in order to be able to differentiate said durations from one another.
  • the ironing appliance 2 further comprises an electronic control card which is for example integrated in the iron 3 and which is equipped with a microprocessor 26 in which the heating control circuit 24 and the control circuit are integrated. flow rate 25.
  • the ironing appliance 2 could also include a switch (not shown in the figures), such as a microswitch, carried by the iron 3 and configured to control the communication of an actuation signal to the heater control circuit 24, communicating an activation signal to the flow control circuit 25 and communication of a deactivation signal to the flow control circuit 25 as a function of the position of the steam controller 21.
  • a switch such as a microswitch
  • the steam control member 21 could take the form of a steam control button carried by the iron 3.

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

Description

Domaine techniqueTechnical area

La présente invention concerne le domaine des appareils de repassage, et en particulier des appareils de repassage équipés d'organes de commande de vapeur.The present invention relates to the field of ironing devices, and in particular ironing devices equipped with steam control members.

Etat de la techniqueState of the art

Un appareil de repassage comprend de façon connue :

  • un réservoir d'eau,
  • un fer à repasser comprenant une chambre de vaporisation reliée fluidiquement au réservoir d'eau, une résistance électrique chauffante configurée pour chauffer la chambre de vaporisation, un circuit de commande de chauffe configuré pour piloter l'alimentation électrique de la résistance électrique chauffante, et une semelle de repassage équipée d'une surface de repassage et d'au moins un orifice de sortie de vapeur débouchant dans la surface de repassage et relié à la chambre de vaporisation,
  • une gâchette de commande de vapeur destinée à être actionnée manuellement par un utilisateur et configurée pour commander une alimentation en eau de la chambre de vaporisation lorsque la gâchette de commande de vapeur est actionnée.
An ironing appliance comprises, in a known manner:
  • a water tank,
  • an iron comprising a vaporization chamber fluidly connected to the water tank, an electric heating resistor configured to heat the vaporizing chamber, a heating control circuit configured to control the power supply to the electric heating resistance, and a ironing sole fitted with an ironing surface and at least one steam outlet opening into the ironing surface and connected to the vaporization chamber,
  • a steam control trigger for manual actuation by a user and configured to control a supply of water to the vaporization chamber when the steam control trigger is actuated.

Un tel appareil est par exemple décrit dans les demandes WO 01/55496 ou EP 3 266 926 .Such a device is for example described in the applications WO 01/55496 or EP 3,266,926 .

Lors de l'actionnement de la gâchette de commande de vapeur par un utilisateur, de l'eau est injectée dans la chambre de vaporisation et cette eau est vaporisée au contact des parois intérieures de la chambre de vaporisation.Upon actuation of the steam control trigger by a user, water is injected into the vaporization chamber and this water is vaporized in contact with the interior walls of the vaporization chamber.

Toutefois, afin d'éviter une saturation en eau de la chambre de vaporisation et une projection d'eau sur le linge à repasser, le débit d'alimentation en eau de la chambre de vaporisation est généralement assez faible.However, in order to avoid water saturation of the vaporization chamber and water spraying onto the laundry to be ironed, the water supply flow rate to the vaporization chamber is generally quite low.

Par conséquent, l'efficacité de repassage d'un tel appareil de repassage peut s'avérer insatisfaisante.Therefore, the ironing efficiency of such an ironing apparatus may prove to be unsatisfactory.

Résumé de l'inventionSummary of the invention

La présente invention vise à remédier à tout ou partie de ces inconvénients.The present invention aims to remedy all or part of these drawbacks.

Le problème technique à la base de l'invention consiste notamment à fournir un appareil de repassage présentant une efficacité de repassage améliorée, tout en limitant les risques de projection d'eau sur un linge à repasser.The technical problem underlying the invention consists in particular in providing an ironing appliance exhibiting improved ironing efficiency, while limiting the risks of water being sprayed onto a laundry to be ironed.

A cet effet, la présente invention concerne un appareil de repassage comprenant un réservoir d'eau, un fer à repasser comportant une chambre de vaporisation pour la production de vapeur et un organe de commande de vapeur destiné à être actionné manuellement par un utilisateur et configuré pour commander une alimentation en eau de la chambre de vaporisation lorsque l'organe de commande de vapeur est actionné, le fer à repasser comportant en outre une résistance électrique chauffante configurée pour chauffer la chambre de vaporisation et un circuit de commande de chauffe configuré pour piloter l'alimentation électrique de la résistance électrique chauffante, caractérisé en ce que l'organe de commande de vapeur est relié au circuit de commande de chauffe et est configuré pour commander la communication d'un signal d'actionnement au circuit de commande de chauffe lorsque l'organe de commande de vapeur est actionné, et en ce que le circuit de commande de chauffe est configuré pour modifier l'alimentation électrique de la résistance électrique chauffante lorsqu'un signal d'actionnement est communiqué au circuit de commande de chauffe.To this end, the present invention relates to an ironing appliance comprising a water tank, an iron comprising a vaporization chamber for the production of steam and a steam control member intended to be operated manually by a user and configured. for controlling a water supply to the vaporization chamber when the steam controller is actuated, the iron further comprising an electric heating resistor configured to heat the vaporization chamber and a heater control circuit configured to drive the power supply of the electric heating resistance, characterized in that the steam control member is connected to the heating control circuit and is configured to control the communication of an actuation signal to the heating control circuit when the steam controller is actuated, and in that the heater control circuit is configured to modify the electrical supply of the electric heating resistance when an actuation signal is communicated to the heating control circuit.

Une telle configuration de l'appareil de repassage permet notamment de commander l'alimentation électrique de la résistance électrique chauffante lors de l'actionnement de l'organe de commande de vapeur par un utilisateur. Ces dispositions permettent ainsi de limiter la baisse de la température de la chambre de vaporisation pendant une phase de demande de vapeur, et de ce fait d'assurer une vaporisation rapide d'une quantité importante d'eau injectée dans la chambre de vaporisation.Such a configuration of the ironing appliance makes it possible in particular to control the power supply to the electric heating resistance when the steam control member is actuated by a user. These arrangements thus make it possible to limit the drop in the temperature of the vaporization chamber during a phase of demand for steam, and thereby ensure rapid vaporization of a large quantity of water injected into the vaporization chamber.

Ainsi, l'appareil de repassage permet d'obtenir une efficacité de repassage améliorée par rapport aux appareils de repassage de l'art antérieur, tout en limitant les risques de projection d'eau sur un linge à repasser.Thus, the ironing device achieves ironing efficiency improved compared to the ironing apparatus of the prior art, while limiting the risks of water being sprayed onto a laundry to be ironed.

L'appareil de repassage peut en outre présenter une ou plusieurs des caractéristiques suivantes, prises seules ou en combinaison.The ironing device may also have one or more of the following characteristics, taken alone or in combination.

Selon un mode de réalisation de l'invention, le fer à repasser comporte un capteur de température relié au circuit de commande de chauffe, le circuit de commande de chauffe étant configuré pour réguler l'alimentation électrique de la résistance électrique chauffante de manière à amener la température au niveau du capteur de température autour d'une température de consigne, et dans lequel, lorsque l'organe de commande de vapeur est actionné et commande l'alimentation en eau de la chambre de vaporisation, la valeur de la température de consigne est automatiquement augmentée par rapport à une valeur de consigne initiale. En d'autres termes, l'appareil de repassage est configuré de telle sorte que, lorsque l'organe de commande de vapeur est actionné et commande l'alimentation en eau de la chambre de vaporisation, le circuit de commande de chauffe augmente automatiquement la valeur de la température de consigne par rapport à la valeur de consigne initiale.According to one embodiment of the invention, the iron comprises a temperature sensor connected to the heating control circuit, the heating control circuit being configured to regulate the power supply to the electric heating resistance so as to bring the temperature at the temperature sensor around a set point temperature, and in which, when the steam control member is actuated and controls the water supply to the vaporization chamber, the value of the set temperature is automatically increased from an initial setpoint. In other words, the ironing apparatus is configured such that when the steam control member is actuated and controls the water supply to the vaporization chamber, the heater control circuit automatically increases the pressure. setpoint temperature value in relation to the initial setpoint.

Selon un mode de réalisation de l'invention, le capteur de température est configuré pour déterminer la température de la chambre de vaporisation. Le capteur de température pourrait toutefois être configuré pour déterminer la température d'une semelle de repassage du fer à repasser.According to one embodiment of the invention, the temperature sensor is configured to determine the temperature of the vaporization chamber. The temperature sensor could however be configured to determine the temperature of an ironing sole of the iron.

Selon un mode de réalisation de l'invention, lorsque l'alimentation en eau de la chambre de vaporisation est interrompue, et notamment lorsque l'organe de commande de vapeur commande l'interruption de l'alimentation en eau de la chambre de vaporisation, la valeur de la température de consigne est automatiquement ramenée à la valeur de consigne initiale. En d'autres termes, l'appareil de repassage est configuré de telle sorte que, lorsque l'alimentation en eau de la chambre de vaporisation est interrompue, le circuit de commande de chauffe ramène automatiquement la valeur de la température de consigne à la valeur de consigne initiale. Ces dispositions permettent notamment d'éviter une surchauffe de la chambre de vaporisation et de la semelle de repassage du fer à repasser lorsque la production de vapeur n'est pas requise, et donc de limiter le risque de détérioration du linge en train d'être repassé du fait d'une température de semelle de repassage trop élevée.According to one embodiment of the invention, when the water supply to the vaporization chamber is interrupted, and in particular when the steam control member orders the interruption of the water supply to the vaporization chamber, the setpoint temperature is automatically reduced to the initial setpoint. In other words, the ironing appliance is configured in such a way that when the water supply to the vaporization chamber is interrupted, the heating control circuit automatically returns the value of the set temperature to the value initial setpoint. These arrangements make it possible in particular to prevent overheating of the vaporization chamber and of the ironing soleplate of the iron when the production of steam is not required, and therefore of limit the risk of deterioration of the laundry being ironed due to an excessively high ironing soleplate temperature.

Selon un mode de réalisation de l'invention, la valeur de consigne initiale correspond à une température de référence réglable par l'utilisateur. Ces dispositions permettent à un utilisateur de régler la température de consigne en dehors des phases de production de vapeur, par exemple en fonction du linge à repasser.According to one embodiment of the invention, the initial setpoint value corresponds to a reference temperature adjustable by the user. These arrangements allow a user to adjust the setpoint temperature outside the steam production phases, for example depending on the laundry to be ironed.

Selon un mode de réalisation de l'invention, le fer à repasser comporte une pompe d'alimentation reliée fluidiquement au réservoir d'eau et configurée pour alimenter en eau la chambre de vaporisation, et un circuit de commande de débit relié à l'organe de commande de vapeur et configuré pour piloter le fonctionnement de la pompe d'alimentation en fonction d'une position ou d'un état occupé par l'organe de commande de vapeur. Avantageusement, la pompe d'alimentation est configurée pour alimenter en eau la chambre de vaporisation lorsque l'organe de commande de vapeur est actionné.According to one embodiment of the invention, the iron comprises a feed pump fluidly connected to the water tank and configured to supply water to the vaporization chamber, and a flow control circuit connected to the member. steam controller and configured to control the operation of the feed pump according to a position or state occupied by the steam controller. Advantageously, the feed pump is configured to feed water to the vaporization chamber when the vapor control member is actuated.

Selon un mode de réalisation de l'invention, la pompe d'alimentation est une pompe d'alimentation électrique.According to one embodiment of the invention, the feed pump is an electric feed pump.

Selon un mode de réalisation de l'invention, l'appareil de repassage comporte un conduit d'acheminement reliant fluidiquement le réservoir d'eau à la chambre de vaporisation.According to one embodiment of the invention, the ironing appliance comprises a conveying duct fluidly connecting the water reservoir to the vaporization chamber.

Selon un mode de réalisation de l'invention, le fer à repasser comporte une partie de préhension sur laquelle est monté l'organe de commande de vapeur.According to one embodiment of the invention, the iron comprises a gripping part on which the steam control member is mounted.

Selon un mode de réalisation de l'invention, l'organe de commande de vapeur est déplaçable entre une position de repos et une position de commande de vapeur, l'organe de commande de vapeur étant configuré pour être déplacé dans la position de commande de vapeur lorsqu'il est actionné par un utilisateur.According to one embodiment of the invention, the steam control member is movable between a rest position and a steam control position, the steam control member being configured to be moved into the steam control position. steam when operated by a user.

Selon un mode de réalisation de l'invention, le fer à repasser comporte un organe de sollicitation configuré pour solliciter l'organe de commande de vapeur vers la position de repos.According to one embodiment of the invention, the iron comprises a biasing member configured to urge the steam control member towards the rest position.

Selon un mode de réalisation de l'invention, l'organe de commande de vapeur est monté pivotant entre la position de repos et la position commande de vapeur.According to one embodiment of the invention, the steam control member is pivotally mounted between the rest position and the steam control position.

Selon un mode de réalisation de l'invention, l'organe de commande de vapeur comporte une partie de manipulation faisant saillie de la partie de préhension, et par exemple située sous la partie de préhension.According to one embodiment of the invention, the steam control member comprises a handling part projecting from the gripping part, and for example located under the gripping part.

Selon un mode de réalisation de l'invention, l'organe de commande de vapeur est configuré pour commander une interruption de l'alimentation en eau de la chambre de vaporisation lorsque l'organe de commande de vapeur est relâché.According to one embodiment of the invention, the steam control member is configured to control an interruption of the water supply to the vaporization chamber when the steam control member is released.

Selon un mode de réalisation de l'invention, l'appareil de repassage est configuré de telle sorte qu'un actionnement de l'organe de commande de vapeur provoque la mise en marche de la pompe d'alimentation et une alimentation en eau de la chambre de vaporisation, et de telle sorte qu'un relâchement de l'organe de commande de vapeur provoque l'arrêt de la pompe d'alimentation et une interruption de l'alimentation en eau de la chambre de vaporisation.According to one embodiment of the invention, the ironing appliance is configured such that an actuation of the steam control member causes the supply pump to be started and a water supply to the machine. vaporization chamber, and such that a release of the vapor control member causes shutdown of the feed pump and an interruption of the water supply to the vaporization chamber.

Selon un mode de réalisation de l'invention, l'organe de commande de vapeur est une gâchette de commande de vapeur. Avantageusement, un actionnement de la gâchette de commande de vapeur correspond à un maintien de la gâchette de commande de vapeur dans la position de commande de vapeur.According to one embodiment of the invention, the steam control member is a steam control trigger. Advantageously, actuation of the steam control trigger corresponds to maintaining the steam control trigger in the steam control position.

Selon un mode de réalisation de l'invention, l'organe de commande de vapeur est configuré pour commander la communication d'un signal d'activation au circuit de commande de débit lorsque l'organe de commande de vapeur est actionné et pour commander la communication d'un signal de désactivation au circuit de commande de débit lorsque l'organe de commande de vapeur est relâché, et le circuit de commande de débit est configuré pour mettre en marche la pompe d'alimentation lorsqu'un signal d'activation est communiqué au circuit de commande de débit et pour arrêter la pompe d'alimentation lorsqu'un signal de désactivation est communiqué au circuit de commande de débit.According to one embodiment of the invention, the steam control member is configured to control the communication of an activation signal to the flow control circuit when the steam control member is actuated and to control the communicating a deactivation signal to the flow control circuit when the steam controller is released, and the flow control circuit is configured to turn on the feed pump when an activation signal is released. communicated to the flow control circuit and to stop the feed pump when a deactivation signal is communicated to the flow control circuit.

Selon un mode de réalisation de l'invention, lorsque l'organe de commande de vapeur est actionné et commande l'alimentation en eau de la chambre de vaporisation, le circuit de commande de débit pilote la pompe d'alimentation selon un programme de régulation de débit comprenant une première phase de régulation de débit dans laquelle le débit moyen de la pompe d'alimentation est maintenu à un premier palier de débit pendant une première durée prédéterminée, et au moins une deuxième phase de régulation de débit succédant à la première phase de régulation de débit et durant laquelle le débit moyen de la pompe d'alimentation est maintenu pendant une deuxième durée prédéterminée à un deuxième palier de débit qui est inférieur au premier palier de débit.According to one embodiment of the invention, when the steam control member is actuated and controls the water supply to the steam chamber. vaporization, the flow control circuit controls the feed pump according to a flow control program comprising a first flow control phase in which the average flow rate of the feed pump is maintained at a first flow rate for a period of time. first predetermined duration, and at least a second flow regulation phase following the first flow regulation phase and during which the average flow rate of the feed pump is maintained for a second predetermined duration at a second flow rate level which is lower than the first flow rate.

Selon un mode de réalisation de l'invention, le débit moyen de la pompe d'alimentation durant la première phase de régulation de débit est compris entre 100 et 130 gr/mn, et avantageusement de l'ordre de 112 gr/mn.According to one embodiment of the invention, the average flow rate of the feed pump during the first flow regulation phase is between 100 and 130 g / min, and advantageously of the order of 112 g / min.

Selon un mode de réalisation de l'invention, le débit moyen de la pompe d'alimentation durant la première phase de régulation de débit correspond à environ 70% du débit maximal de la pompe d'alimentation.According to one embodiment of the invention, the average flow rate of the feed pump during the first flow rate regulation phase corresponds to approximately 70% of the maximum flow rate of the feed pump.

Selon un mode de réalisation de l'invention, le programme de régulation de débit comprend une pluralité de phases de régulation de débit qui se succèdent après la deuxième phase de régulation de débit et qui définissent une pluralité de paliers de débit qui se succèdent après le deuxième palier de débit pour diminuer progressivement le débit moyen de la pompe d'alimentation lorsque l'organe de commande de vapeur est actionné en continu pendant une durée d'actionnement supérieure à la somme des première et deuxième durées prédéterminées. Ces dispositions permettent d'optimiser le cycle de pompage de la pompe d'alimentation en fonction du temps d'actionnement de l'organe de commande de vapeur, et ce afin d'injecter un maximum d'eau dans la chambre de vaporisation tout en limitant les risques de projection d'eau sur le linge à repasser. Ainsi, de telles dispositions permettent d'optimiser les performances vapeur de l'appareil de repassage selon la présente invention, et donc d'améliorer encore l'efficacité de repassage de l'appareil de repassage.According to one embodiment of the invention, the flow rate regulation program comprises a plurality of flow rate regulation phases which follow one another after the second flow rate regulation phase and which define a plurality of flow rate steps which follow one another after the second flow rate step to gradually decrease the average flow rate of the feed pump when the steam control member is actuated continuously for an actuation duration greater than the sum of the first and second predetermined durations. These arrangements make it possible to optimize the pumping cycle of the feed pump as a function of the actuation time of the steam control member, in order to inject a maximum of water into the vaporization chamber while limiting the risk of water splashing onto the laundry to be ironed. Thus, such arrangements make it possible to optimize the steam performance of the ironing appliance according to the present invention, and therefore to further improve the ironing efficiency of the ironing appliance.

Selon un mode de réalisation de l'invention, le programme de régulation de débit comprend une série de N phases de régulation de débit qui se succèdent et qui définissent une série de N paliers de débit qui se succèdent, N étant un entier supérieur ou égal à 4.According to one embodiment of the invention, the flow rate regulation program comprises a series of N flow rate regulation phases which follow one another and which define a series of N flow rate steps which follow one another, N being a integer greater than or equal to 4.

Selon un mode de réalisation de l'invention, la série de N paliers de débit est définie de telle sorte que le palier de débit PX+1 est inférieur au palier de débit Px, pour chaque valeur de X comprise entre 1 et N-1.According to one embodiment of the invention, the series of N flow rate steps is defined such that the rate level P X + 1 is less than the rate level Px, for each value of X between 1 and N- 1.

Selon un mode de réalisation de l'invention, le programme de régulation de débit est configuré de telle sorte que, à chaque nouvelle phase de régulation de débit, le débit moyen de la pompe d'alimentation est réduit d'au moins 10%. Par exemple, si le débit moyen de la pompe d'alimentation durant la première phase de régulation de débit correspond à environ 70% du débit maximal de la pompe d'alimentation, le débit moyen de la pompe d'alimentation durant la deuxième phase de régulation de débit correspondra à environ 60% du débit maximal de la pompe d'alimentation, et ainsi de suite jusqu'à la dernière phase de régulation de débit de la série de phases de régulation de débit. Une telle réduction du débit moyen de la pompe d'alimentation peut être obtenue en faisant fonctionner la pompe d'alimentation par intermittence.According to one embodiment of the invention, the flow rate regulation program is configured such that, at each new flow rate regulation phase, the average flow rate of the feed pump is reduced by at least 10%. For example, if the average feed pump flow rate during the first phase of flow control is approximately 70% of the maximum feed pump flow, the average feed pump flow during the second phase of Flow control will correspond to approximately 60% of the maximum flow of the feed pump, and so on until the last flow control phase of the series of flow control phases. Such a reduction in the average feed pump flow rate can be achieved by operating the feed pump intermittently.

Selon un mode de réalisation de l'invention, la durée prédéterminée de la première phase de régulation de débit est plus élevée que la durée de chacune des autres phases de régulation de débit du programme de régulation de débit.According to one embodiment of the invention, the predetermined duration of the first flow rate regulation phase is greater than the duration of each of the other flow rate regulation phases of the flow rate regulation program.

Selon un mode de réalisation de l'invention, la durée prédéterminée de la première phase de régulation de débit est de l'ordre de 2 à 3 secondes, et est préférentiellement de l'ordre de 2,5 secondes.According to one embodiment of the invention, the predetermined duration of the first flow regulation phase is of the order of 2 to 3 seconds, and is preferably of the order of 2.5 seconds.

Selon un mode de réalisation de l'invention, la durée de chacune des phases de régulation de débit du programme de régulation de débit, à l'exception de la première phase de régulation de débit, est inférieure à 1 seconde, et est préférentiellement de l'ordre de 0,5 seconde.According to one embodiment of the invention, the duration of each of the flow rate regulation phases of the flow rate regulation program, with the exception of the first flow rate regulation phase, is less than 1 second, and is preferably the order of 0.5 seconds.

Selon un mode de réalisation de l'invention, la dernière phase de régulation de débit du programme de régulation de débit dure sans interruption jusqu'à ce que l'alimentation en eau de la chambre de vaporisation soit interrompue, et en particulier jusqu'à ce que l'organe de commande de vapeur commande l'interruption de l'alimentation en eau de la chambre de vaporisation.According to one embodiment of the invention, the last phase of flow regulation of the flow regulation program lasts without interruption until the water supply to the vaporization chamber is interrupted, and in particular until that the steam controller controls the interruption of the water supply to the vaporization chamber.

Selon un mode de réalisation de l'invention, N est égal à 7.According to one embodiment of the invention, N is equal to 7.

Selon un mode de réalisation de l'invention, le programme de régulation de débit est configuré de telle sorte que, pour une durée d'actionnement de l'organe de commande de vapeur inférieure ou égale à 200 ms, le programme de régulation de débit exécute uniquement la première phase de régulation de débit.According to one embodiment of the invention, the flow rate regulation program is configured such that, for a duration of actuation of the steam control member less than or equal to 200 ms, the flow rate regulation program only performs the first phase of flow control.

Selon un mode de réalisation de l'invention, le programme de régulation de débit est configuré de telle sorte que, pour une durée d'actionnement de l'organe de commande de vapeur supérieure ou égale à 6 s, le programme de régulation de débit exécute l'ensemble des phases de régulation de débit.According to one embodiment of the invention, the flow rate regulation program is configured such that, for a duration of actuation of the steam control member greater than or equal to 6 s, the flow rate regulation program performs all the flow regulation phases.

Selon un mode de réalisation de l'invention, lorsque l'alimentation en eau de la chambre de vaporisation est interrompue, le circuit de commande de débit décompte une durée d'interruption de l'alimentation en eau de la chambre de vaporisation et le débit moyen de la pompe d'alimentation, qui est défini par le circuit de commande de débit lors d'un nouvel actionnement de l'organe de commande de vapeur (c'est-à-dire lors du premier actionnement de l'organe de commande de vapeur ayant lieu juste après ladite interruption de l'alimentation en eau de la chambre de vaporisation), est alors fonction de la durée d'interruption de l'alimentation en eau de la chambre de vaporisation.According to one embodiment of the invention, when the water supply to the vaporization chamber is interrupted, the flow control circuit counts down a duration of interruption of the water supply to the vaporization chamber and the flow rate. means of the feed pump, which is defined by the flow control circuit when the steam controller is actuated again (i.e. when the steam controller is actuated for the first time steam taking place just after said interruption of the water supply to the vaporization chamber), is then a function of the duration of the interruption of the water supply to the vaporization chamber.

Selon un mode de réalisation de l'invention, le débit moyen de la pompe d'alimentation, qui est défini par le circuit de commande de débit lors d'un nouvel actionnement de l'organe de commande de vapeur, augmente en fonction de la durée d'interruption de l'alimentation en eau de la chambre de vaporisation.According to one embodiment of the invention, the average flow rate of the feed pump, which is defined by the flow control circuit when the steam control member is actuated again, increases as a function of the duration of interruption of the water supply to the vaporization chamber.

Selon un mode de réalisation de l'invention, le circuit de commande de débit est configuré de telle sorte que, pour une durée d'interruption de l'alimentation en eau de la chambre de vaporisation inférieure ou égale à 1 s, le débit moyen de la pompe d'alimentation, qui est défini par le circuit de commande de débit lors d'un nouvel actionnement de l'organe de commande de vapeur, correspond au débit moyen de la pompe d'alimentation durant la phase de régulation de débit précédemment exécutée par le programme de régulation de débit. En d'autres termes, pour une durée d'interruption de l'alimentation en eau de la chambre de vaporisation inférieure ou égale à 1 s, le circuit de commande du débit pilote la pompe d'alimentation en recommençant la phase de régulation de débit précédemment exécutée par le programme de régulation de débit.According to one embodiment of the invention, the flow control circuit is configured such that, for a duration of interruption of the water supply to the vaporization chamber of less than or equal to 1 s, the average flow of the feed pump, which is defined by the flow control circuit when the steam control unit is actuated again, corresponds to the average flow of the feed pump during the flow regulation phase previously executed by the flow control program. In other words, for a duration of interruption of the water supply to the vaporization chamber of less than or equal to 1 s, the flow control circuit controls the feed pump by restarting the flow regulation phase previously performed by the flow regulation program.

Selon un mode de réalisation de l'invention, le circuit de commande de débit est configuré de telle sorte que, pour une durée d'interruption de l'alimentation en eau de la chambre de vaporisation supérieure à 3 s, le débit moyen de la pompe d'alimentation, qui est défini par le circuit de commande de débit lors d'un nouvel actionnement de l'organe de commande de vapeur, correspond au débit moyen de la pompe d'alimentation durant la première phase de régulation de débit du programme de régulation de débit. En d'autres termes, pour une durée d'interruption de l'alimentation en eau de la chambre de vaporisation supérieure à 3 s, le circuit de commande du débit pilote la pompe d'alimentation à partir de la première phase de régulation de débit du programme de régulation de débit.According to one embodiment of the invention, the flow rate control circuit is configured such that, for a duration of interruption of the water supply to the vaporization chamber greater than 3 s, the average flow rate of the vaporization chamber. feed pump, which is defined by the flow control circuit when the steam controller is actuated again, corresponds to the average flow rate of the feed pump during the first flow control phase of the program flow regulation. In other words, for a duration of interruption of the water supply to the vaporization chamber greater than 3 s, the flow control circuit controls the feed pump from the first flow regulation phase. of the flow control program.

Selon un mode de réalisation de l'invention, le circuit de commande de débit est configuré de telle sorte que, pour une durée d'interruption de l'alimentation en eau de la chambre de vaporisation comprise entre 1 s et 3 s, le débit moyen de la pompe d'alimentation, qui est défini par le circuit de commande de débit lors d'un nouvel actionnement de l'organe de commande de vapeur, correspond au débit moyen de la pompe d'alimentation durant une phase de régulation de débit du programme de régulation de débit comprise entre la première phase de régulation de débit du programme de régulation de débit et la phase de régulation de débit précédemment exécutée par le programme de régulation de débit.According to one embodiment of the invention, the flow control circuit is configured such that, for a duration of interruption of the water supply to the vaporization chamber of between 1 s and 3 s, the flow means of the feed pump, which is defined by the flow control circuit when the steam controller is actuated again, corresponds to the average flow of the feed pump during a flow regulation phase of the flow control program between the first flow control phase of the flow control program and the flow control phase previously executed by the flow control program.

Selon un mode de réalisation de l'invention, le circuit de commande de chauffe et le circuit de commande de débit sont intégrés dans un microprocesseur.According to one embodiment of the invention, the heating control circuit and the flow rate control circuit are integrated in a microprocessor.

Selon un mode de réalisation de l'invention, l'appareil de repassage comporte en outre une base sur laquelle le fer à repasser est disposé lors des phases inactives de repassage.According to one embodiment of the invention, the ironing appliance further comprises a base on which the iron is placed during inactive ironing phases.

Selon un mode de réalisation de l'invention, la pompe d'alimentation est intégrée dans la base.According to one embodiment of the invention, the feed pump is integrated in the base.

Selon un mode de réalisation de l'invention, le réservoir d'eau est intégré dans la base.According to one embodiment of the invention, the water tank is integrated into the base.

Selon un mode de réalisation de l'invention, le fer à repasser comporte une semelle de repassage qui est liée thermiquement à la chambre de vaporisation et qui est munie d'au moins un orifice de sortie de vapeur relié fluidiquement à la chambre de vaporisation.According to one embodiment of the invention, the iron comprises an ironing sole which is thermally bonded to the vaporization chamber and which is provided with at least one steam outlet orifice fluidly connected to the vaporization chamber.

Selon un mode de réalisation de l'invention, le fer à repasser comporte un corps chauffant lié thermiquement à la semelle de repassage et comprenant la chambre de vaporisation. De façon avantageuse, le corps chauffant comporte une fonderie délimitant au moins en partie la chambre de vaporisation. Avantageusement, la résistance électrique chauffante est intégrée dans la fonderie.According to one embodiment of the invention, the iron comprises a heating body thermally bonded to the ironing sole and comprising the vaporization chamber. Advantageously, the heating body comprises a foundry at least partially delimiting the vaporization chamber. Advantageously, the electric heating resistance is integrated in the foundry.

Selon un mode de réalisation de l'invention, le corps chauffant comporte une plaque de fermeture qui repose sur la fonderie, la chambre de vaporisation étant délimitée par la fonderie et la plaque de fermeture.According to one embodiment of the invention, the heating body comprises a closure plate which rests on the foundry, the vaporization chamber being delimited by the foundry and the closure plate.

Brève description des figuresBrief description of the figures

L'invention sera mieux comprise à l'aide de la description qui suit en référence aux dessins schématiques annexés représentant, à titre d'exemple non limitatif, une forme d'exécution de cet appareil de repassage.

  • Figure 1 est une vue de côté d'un appareil de repassage selon l'invention.
  • Figure 2 est une vue en perspective de dessous d'un fer à repasser appartenant à l'appareil de repassage de la figure 1.
  • Figure 3 est une vue partielle éclatée et en perspective du fer à repasser de la figure 2.
  • Figure 4 est une vue schématique de l'appareil de repassage de la figure 1.
  • Figure 5 est un diagramme représentant un exemple d'évolution temporelle d'un programme de régulation de débit de l'appareil de repassage en fonction des durées d'actionnement et de relâchement d'un organe de commande de vapeur de l'appareil de repassage.
The invention will be better understood with the aid of the description which follows with reference to the appended schematic drawings showing, by way of non-limiting example, an embodiment of this ironing appliance.
  • Figure 1 is a side view of an ironing apparatus according to the invention.
  • Figure 2 is a perspective view from below of an iron belonging to the ironing apparatus of the figure 1 .
  • Figure 3 is a partial exploded perspective view of the iron from the figure 2 .
  • Figure 4 is a schematic view of the ironing device of the figure 1 .
  • Figure 5 is a diagram showing an example of the change over time of a program for regulating the flow rate of the ironing appliance as a function of the durations of actuation and release of a steam control member of the ironing appliance.

Description détailléedetailed description

Les figures 1 à 4 représentent un appareil de repassage 2 qui comporte un fer à repasser 3 et une base 4 sur laquelle le fer à repasser 3 peut être disposé lors des phases inactives de repassage.The figures 1 to 4 show an ironing device 2 which comprises a iron 3 and a base 4 on which the iron 3 can be placed during inactive ironing phases.

L'appareil de repassage 2 comporte en outre un réservoir d'eau 5 intégré dans la base 4 et pouvant par exemple être amovible, et un circuit d'alimentation en eau relié fluidiquement au réservoir d'eau 5. Le circuit d'alimentation en eau comporte notamment un conduit d'acheminement d'eau 6 reliant fluidiquement le réservoir d'eau 5 au fer à repasser 3, et une pompe d'alimentation 7 intégrée dans la base 4 et configurée pour alimenter le fer à repasser 3 en eau provenant du réservoir d'eau 5. La pompe d'alimentation 7 est avantageusement une pompe d'alimentation électrique.The ironing appliance 2 further comprises a water tank 5 integrated into the base 4 and which may for example be removable, and a water supply circuit fluidly connected to the water tank 5. The water supply circuit water comprises in particular a water delivery pipe 6 fluidly connecting the water tank 5 to the iron 3, and a feed pump 7 integrated in the base 4 and configured to supply the iron 3 with water coming from of the water tank 5. The feed pump 7 is advantageously an electric feed pump.

Comme montré sur les figures 1 et 2, le fer à repasser 3 comporte un boîtier 8 comportant une partie de préhension 9 à son extrémité supérieure, et une semelle de repassage 10 munie d'une surface de repassage 11 sensiblement plane et d'une pluralité d'orifices de sortie de vapeur 12 débouchant dans la surface de repassage 11.As shown on figures 1 and 2 , the iron 3 comprises a housing 8 comprising a gripping part 9 at its upper end, and an ironing sole 10 provided with a substantially flat ironing surface 11 and a plurality of steam outlet openings 12 opening into the ironing surface 11.

Comme montré plus particulièrement sur la figure 3, le fer à repasser 3 comporte également un corps chauffant 13 intégré dans la partie basse du boitier 8, et lié thermiquement et mécaniquement à la semelle de repassage 10. Le corps chauffant 13 comporte une fonderie 14, par exemple en aluminium, et une résistance électrique chauffante 15 cintrée en U et intégrée dans la fonderie 14.As shown more particularly on figure 3 , the iron 3 also comprises a heating body 13 integrated into the lower part of the housing 8, and thermally and mechanically linked to the ironing sole 10. The heating body 13 comprises a foundry 14, for example made of aluminum, and a resistance electric heater 15 curved in U and integrated into the foundry 14.

Le corps chauffant 13 comporte également une plaque de fermeture 16 (visible sur la figure 3) qui repose sur la fonderie 14, et une chambre de vaporisation 17, de type à vaporisation instantanée, destinée à être chauffée par la résistance électrique chauffante 15. La chambre de vaporisation 17 est avantageusement délimitée par la fonderie 14 et la plaque de fermeture 16.The heating body 13 also includes a closure plate 16 (visible on the figure 3 ) which rests on the foundry 14, and a vaporization chamber 17, of the instant vaporization type, intended to be heated by the electric heating resistance 15. The vaporization chamber 17 is advantageously delimited by the foundry 14 and the closure plate 16 .

Le corps chauffant 13 comporte en outre une ouverture d'injection de liquide 18 reliée fluidiquement à la pompe d'alimentation 7 et débouchant dans une partie avant de la chambre de vaporisation 17. La pompe d'alimentation 7 est ainsi configurée pour alimenter la chambre de vaporisation 17 en eau provenant du réservoir d'eau 5.The heating body 13 further comprises a liquid injection opening 18 fluidly connected to the supply pump 7 and opening into a front part of the vaporization chamber 17. The supply pump 7 is thus configured to supply the chamber. spray 17 in water from the water tank 5.

L'appareil de repassage 2 comprend en outre un circuit de distribution de vapeur 19 défini par la fonderie 14 et la plaque de fermeture 16, et reliant fluidiquement la chambre de vaporisation 17 aux orifices de sortie de vapeur 12, et ce de telle sorte que la vapeur générée dans la chambre de vaporisation 17 puisse s'écouler jusqu'aux orifices de sortie de vapeur 12.The ironing apparatus 2 further comprises a steam distribution circuit 19 defined by the foundry 14 and the closure plate 16, and fluidly connecting the vaporization chamber 17 to the steam outlet orifices 12, in such a way that the vapor generated in the vaporization chamber 17 can flow to the vapor outlet openings 12.

L'appareil de repassage 2 comprend également un organe de commande de vapeur 21 porté par le fer à repasser 3 et destiné à être actionné manuellement par un utilisateur. Selon le mode de réalisation représenté sur les figures, l'organe de commande de vapeur 21 se présente sous la forme d'une gâchette de commande de vapeur.The ironing appliance 2 also comprises a steam control member 21 carried by the iron 3 and intended to be operated manually by a user. According to the embodiment shown in the figures, the steam control member 21 is in the form of a steam control trigger.

L'organe de commande de vapeur 21 est plus particulièrement monté sur la partie de préhension 9 du fer à repasser 3. Avantageusement, l'organe de commande de vapeur 21 comporte une partie de manipulation 22 faisant saillie de la partie de préhension 9, et par exemple située sous la partie de préhension.The steam control member 21 is more particularly mounted on the gripping part 9 of the iron 3. Advantageously, the steam control member 21 comprises a handling part 22 projecting from the gripping part 9, and for example located under the gripping part.

L'organe de commande de vapeur 21 est déplaçable entre une position de repos et une position de commande de vapeur, et est configuré pour être déplacé dans la position de commande de vapeur lorsqu'il est actionné par un utilisateur. De façon avantageuse, le fer à repasser 3 comporte un organe de sollicitation (non représenté sur les figures) configuré pour solliciter l'organe de commande de vapeur 21 vers la position de repos. L'organe de commande de vapeur 21 peut par exemple comporter une partie de montage montée pivotante autour d'un axe de pivotement porté par le boîtier 8 de telle sorte que l'organe de commande de vapeur 21 soit monté pivotant entre la position de repos et la position de commande de vapeur.The steam controller 21 is movable between a home position and a steam control position, and is configured to be moved to the steam control position when operated by a user. Advantageously, the iron 3 comprises a biasing member (not shown in the figures) configured to urge the steam control member 21 towards the rest position. The steam control member 21 may for example comprise a mounting part mounted to pivot about a pivot axis carried by the housing 8 such that the steam control member 21 is pivotally mounted between the rest position and the steam control position.

L'organe de commande de vapeur 21 est plus particulièrement configuré pour commander la mise en marche de la pompe d'alimentation 7 et donc une alimentation en eau de la chambre de vaporisation 17 lorsque l'organe de commande de vapeur 21 est actionné par un utilisateur, et pour commander l'arrêt de la pompe d'alimentation 7 et donc une interruption de l'alimentation en eau de la chambre de vaporisation 17 lorsque l'organe de commande de vapeur 21 est relâché par l'utilisateur.The steam control member 21 is more particularly configured to control the starting of the feed pump 7 and therefore a supply of water to the vaporization chamber 17 when the steam control member 21 is actuated by a user, and to control the stopping of the feed pump 7 and therefore an interruption of the water supply to the vaporization chamber 17 when the steam control member 21 is released by the user.

L'appareil de repassage 2 comprend également un capteur de température 23 configuré pour déterminer la température de la chambre de vaporisation 17 ou de la semelle de repassage 9, et un circuit de commande de chauffe 24 relié au capteur de température 23 et configuré pour réguler l'alimentation électrique de la résistance électrique chauffante 15 de manière à amener la température au niveau du capteur de température 23 autour d'une température de consigne.The ironing device 2 also includes a temperature sensor 23 configured to determine the temperature of the vaporization chamber 17 or of the ironing sole 9, and a heating control circuit 24 connected to the temperature sensor 23 and configured to regulate the power supply to the electric heating resistance 15 so as to bring the temperature to the level of the temperature sensor 23 around a setpoint temperature.

L'organe de commande de vapeur 21 est avantageusement relié au circuit de commande de chauffe 24 et est configuré pour commander la communication d'un signal d'actionnement au circuit de commande de chauffe 24 lorsque l'organe de commande de vapeur 21 est actionné par un utilisateur.The steam control member 21 is advantageously connected to the heating control circuit 24 and is configured to control the communication of an actuation signal to the heating control circuit 24 when the steam control member 21 is actuated. by a user.

Le circuit de commande de chauffe 24 est notamment configuré pour modifier l'alimentation électrique de la résistance électrique chauffante 15 lorsqu'un signal d'actionnement est communiqué au circuit de commande de chauffe 24. De façon avantageuse, lorsque l'organe de commande de vapeur 21 est actionné et commande l'alimentation en eau de la chambre de vaporisation 17, le circuit de commande de chauffe 24 augmente automatiquement la valeur de la température de consigne par rapport à une valeur de consigne initiale, qui peut correspondre avantageusement à une température de référence réglable par l'utilisateur. En outre, lorsque l'organe de commande de vapeur 21 est relâché et commande l'interruption de l'alimentation en eau de la chambre de vaporisation 17, le circuit de commande de chauffe ramène automatiquement la valeur de la température de consigne à la valeur de consigne initiale.The heating control circuit 24 is in particular configured to modify the power supply to the electric heating resistance 15 when an actuation signal is communicated to the heating control circuit 24. Advantageously, when the heating control member steam 21 is actuated and controls the water supply to the vaporization chamber 17, the heating control circuit 24 automatically increases the value of the setpoint temperature relative to an initial setpoint value, which can advantageously correspond to a temperature user adjustable reference. In addition, when the steam control member 21 is released and controls the interruption of the water supply to the vaporization chamber 17, the heating control circuit automatically returns the value of the set temperature to the value initial setpoint.

L'appareil de repassage 2 comprend également un circuit de commande de débit 25 relié à l'organe de commande de vapeur 21 et configuré pour piloter le fonctionnement de la pompe d'alimentation 7 en fonction de la position occupée par l'organe de commande de vapeur 21. En particulier, l'organe de commande de vapeur 21 est configuré pour commander la communication d'un signal d'activation au circuit de commande de débit 25 lorsque l'organe de commande de vapeur 21 est actionné par un utilisateur, et pour commander la communication d'un signal de désactivation au circuit de commande de débit 25 lorsque l'organe de commande de vapeur 21 est relâché par l'utilisateur, et le circuit de commande de débit 25 est configuré pour mettre en marche la pompe d'alimentation 7 lorsqu'un signal d'activation est communiqué au circuit de commande de débit 25 et pour arrêter la pompe d'alimentation 7 lorsqu'un signal de désactivation est communiqué au circuit de commande de débit 25.The ironing appliance 2 also comprises a flow control circuit 25 connected to the steam control member 21 and configured to control the operation of the feed pump 7 as a function of the position occupied by the control member. steam 21. In particular, the steam controller 21 is configured to control the communication of an activation signal to the flow control circuit 25 when the steam controller 21 is actuated by a user, and to control the communication of a deactivation signal to the flow control circuit 25 when the steam control member 21 is released by the user, and the flow control circuit 25 is configured to turn on the pump power supply 7 when an activation signal is communicated to the flow control 25 and to stop the feed pump 7 when a deactivation signal is communicated to the flow control circuit 25.

Selon un mode de réalisation de l'invention, lorsque l'organe de commande de vapeur 21 est actionné et commande l'alimentation en eau de la chambre de vaporisation 17, le circuit de commande de débit 25 pilote la pompe d'alimentation 7 selon un programme de régulation de débit comprenant une série de N phases de régulation de débit qui se succèdent et qui définissent une série de N paliers de débit qui se succèdent, N étant un entier supérieur ou égale à 4, et par exemple égal à 7.According to one embodiment of the invention, when the steam control member 21 is actuated and controls the supply of water to the vaporization chamber 17, the flow control circuit 25 controls the supply pump 7 according to a flow rate regulation program comprising a series of N successive flow regulation phases which define a series of N successive flow levels, N being an integer greater than or equal to 4, and for example equal to 7.

Durant chaque phase de régulation de débit du programme de régulation de débit, le débit moyen de la pompe d'alimentation 7 est maintenu à un palier de débit correspondant Px pendant une durée prédéterminée correspondante tx, et ce pour chaque valeur de X comprise entre 1 et N.During each flow regulation phase of the flow regulation program, the average flow rate of the feed pump 7 is maintained at a corresponding flow rate level Px for a corresponding predetermined duration tx, and this for each value of X between 1 and N.

Comme cela est plus particulièrement visible sur la figure 5, la série de N phases de régulation de débit définit une série de N paliers de débit (de P1 à P7) définie de telle sorte que le palier de débit PX+1 est inférieur au palier de débit Px, pour chaque valeur de X comprise entre 1 et N-1. Ainsi, au cours des différentes phases de régulation de débit successives du programme de régulation de débit, le débit moyen de la pompe d'alimentation 7 est régulé autour d'un débit de consigne respectif, les valeurs des débits de consigne allant en diminuant d'une phase de régulation de débit à une phase de régulation de débit suivante. En d'autres termes, le programme de régulation de débit est configuré pour diminuer progressivement le débit moyen de la pompe d'alimentation 7 lorsque l'organe de commande de vapeur 21 est actionné en continu pendant une durée d'actionnement Ta supérieure à la somme des durées prédéterminées de différentes phases de régulation de débit successives.As is more particularly visible on the figure 5 , the series of N flow regulation phases defines a series of N flow steps (from P 1 to P 7 ) defined so that the flow level P X + 1 is less than the flow level Px, for each value of X between 1 and N-1. Thus, during the various successive flow regulation phases of the flow regulation program, the average flow rate of the feed pump 7 is regulated around a respective set point flow, the values of the set point flows decreasing d 'a flow regulation phase to a following flow regulation phase. In other words, the flow control program is configured to gradually decrease the average flow rate of the feed pump 7 when the steam controller 21 is operated continuously for an actuation time Ta greater than the sum of the predetermined durations of different successive flow regulation phases.

Par exemple, si la durée d'actionnement Ta de l'organe de commande de vapeur 21 est supérieure à la somme des durées prédéterminées t1 à t6, alors le débit moyen de la pompe d'alimentation 7 décroit successivement des paliers de débit P1 à P6 et jusqu'à atteindre le palier de débit P7. Cependant, si la durée d'actionnement Ta de l'organe de commande de vapeur 21 est supérieure à la durée prédéterminée t1 mais est inférieure ou égale à la somme des durées prédéterminées t1 et t2, alors le débit moyen de la pompe d'alimentation 7 décroit uniquement du palier de débit P1 au palier de débit P2.For example, if the actuation time Ta of the steam control member 21 is greater than the sum of the predetermined times t 1 to t 6 , then the average flow rate of the feed pump 7 successively decreases by flow rate steps P 1 to P 6 and until reaching the flow level P 7 . However, if the duration of actuation Ta of the steam controller 21 is greater than the predetermined duration t 1 but is less than or equal to the sum of the predetermined durations t 1 and t 2 , then the average flow rate of the feed pump 7 decreases only from the flow level P 1 to the flow rate level P 2 .

Selon un mode de réalisation de l'invention, le débit moyen de la pompe d'alimentation 7 durant la première phase de régulation de débit correspond à environ 70% du débit maximal de la pompe d'alimentation. Le débit moyen de la pompe d'alimentation 7 durant la première phase de régulation de débit peut par exemple être compris entre 100 et 130 gr/mn, et est avantageusement de l'ordre de 112 gr/mn.According to one embodiment of the invention, the average flow rate of the feed pump 7 during the first phase of flow regulation corresponds to approximately 70% of the maximum flow rate of the feed pump. The average flow rate of the feed pump 7 during the first flow regulation phase can for example be between 100 and 130 g / min, and is advantageously of the order of 112 g / min.

De façon avantageuse, le programme de régulation de débit est configuré de telle sorte que, à chaque nouvelle phase de régulation de débit du programme de régulation de débit, le débit moyen de la pompe d'alimentation 7 est réduit de 10%. Par exemple, le débit moyen de la pompe d'alimentation 7 durant la deuxième phase de régulation de débit correspond à environ 60% du débit maximal de la pompe d'alimentation, le débit moyen de la pompe d'alimentation 7 durant la troisième phase de régulation de débit correspond à environ 50% du débit maximal de la pompe d'alimentation, et ainsi de suite jusqu'à la dernière phase de régulation de débit de la série de N phases de régulation de débit.Advantageously, the flow rate regulation program is configured such that, at each new flow rate regulation phase of the flow rate regulation program, the average flow rate of the feed pump 7 is reduced by 10%. For example, the average flow of the feed pump 7 during the second phase of flow regulation corresponds to approximately 60% of the maximum flow of the feed pump, the average flow of the feed pump 7 during the third phase flow regulation corresponds to approximately 50% of the maximum flow rate of the feed pump, and so on until the last flow regulation phase of the series of N flow regulation phases.

Avantageusement, la durée prédéterminée t1 de la première phase de régulation de débit, et donc du premier palier de débit P1, est plus élevée que la durée prédéterminée de chacune des autres phases de régulation de débit, et donc de chacun des paliers de débit P2 à PN-1, et est avantageusement de l'ordre de 2 à 3 secondes, et préférentiellement de l'ordre de 2,5 secondes. La durée prédéterminée de chacune des phases de régulation de débit, à l'exception de la première phase de régulation de débit, et donc des paliers de débit P2 à PN-1, est inférieure à 1 seconde, et est préférentiellement de l'ordre de 0,5 seconde. Selon un mode de réalisation de l'invention, la dernière phase de régulation de débit, et donc le palier de débit PN, dure sans interruption jusqu'à ce que l'organe de commande de vapeur 21 commande l'interruption de l'alimentation en eau de la chambre de vaporisation 17.Advantageously, the predetermined duration t 1 of the first flow rate regulation phase, and therefore of the first flow rate level P 1 , is greater than the predetermined duration of each of the other flow rate regulation phases, and therefore of each of the flow rate levels. flow rate P 2 to P N-1 , and is advantageously of the order of 2 to 3 seconds, and preferably of the order of 2.5 seconds. The predetermined duration of each of the flow regulation phases, with the exception of the first flow regulation phase, and therefore of the flow rate steps P 2 to P N-1 , is less than 1 second, and is preferably 1 second. order of 0.5 seconds. According to one embodiment of the invention, the last phase of flow regulation, and therefore the flow level P N , lasts without interruption until the steam control member 21 orders the interruption of the flow. water supply to the vaporization chamber 17.

Avantageusement, le programme de régulation de débit est configuré de telle sorte que, pour une durée d'actionnement Ta de l'organe de commande de vapeur 21 inférieure ou égale à 200 ms, le programme de régulation de débit exécute uniquement la première phase de régulation de débit, et pour une durée d'actionnement Ta de l'organe de commande de vapeur 21 supérieure ou égale à 6 s, le programme de régulation de débit exécute l'ensembles des phases de régulation de débit de la série de N phases de régulation de débit.Advantageously, the flow rate regulation program is configured such that, for a duration of actuation Ta of the control member of steam 21 less than or equal to 200 ms, the flow control program only executes the first flow control phase, and for an actuation time Ta of the steam control unit 21 greater than or equal to 6 s, the Flow control program executes all of the flow control phases of the series of N flow control phases.

Selon un mode de réalisation de l'invention, lorsque l'organe de commande de vapeur 21 commande l'interruption de l'alimentation en eau de la chambre de vaporisation 17, c'est-à-dire lorsque l'organe de commande de vapeur 21 est relâché, le circuit de commande de débit 25 décompte une durée d'interruption Ti de l'alimentation en eau de la chambre de vaporisation 17, et le débit moyen de la pompe d'alimentation 7, qui est défini par le circuit de commande de débit 25 lors d'un nouvel actionnement de l'organe de commande de vapeur 21, est alors fonction de la durée d'interruption Ti de l'alimentation en eau de la chambre de vaporisation 17, et préférentiellement augmente en fonction de la durée d'interruption Ti de l'alimentation en eau de la chambre de vaporisation 17.According to one embodiment of the invention, when the steam control member 21 controls the interruption of the water supply to the vaporization chamber 17, that is to say when the steam control member steam 21 is released, the flow control circuit 25 counts down an interruption duration Ti of the water supply to the vaporization chamber 17, and the average flow rate of the feed pump 7, which is defined by the circuit flow control 25 when the steam control member 21 is actuated again, is then a function of the interruption time Ti of the water supply to the vaporization chamber 17, and preferably increases as a function of the duration of interruption Ti of the water supply to the vaporization chamber 17.

Plus précisément, le circuit de commande de débit 25 peut par exemple être configuré de telle sorte que, pour une durée d'interruption Ti de l'alimentation en eau de la chambre de vaporisation 17 inférieure ou égale à 1 s, le débit moyen de la pompe d'alimentation 7, qui est défini par le circuit de commande de débit 25 lors d'un nouvel actionnement de l'organe de commande de vapeur 21, correspond au débit moyen de la pompe d'alimentation 7 durant la phase de régulation de débit précédemment exécutée par le programme de régulation de débit, et de telle sorte que, pour une durée d'interruption Ti de l'alimentation en eau de la chambre de vaporisation 17 supérieure à 3 s, le débit moyen de la pompe d'alimentation 7, qui est défini par le circuit de commande de débit 25 lors d'un nouvel actionnement de l'organe de commande de vapeur 21, correspond au débit moyen de la pompe d'alimentation 7 durant la première phase de régulation de débit du programme de régulation de débit.More precisely, the flow control circuit 25 can for example be configured such that, for a duration of interruption Ti of the water supply to the vaporization chamber 17 less than or equal to 1 s, the average flow rate of the feed pump 7, which is defined by the flow control circuit 25 when the steam control member 21 is actuated again, corresponds to the average flow rate of the feed pump 7 during the regulation phase flow rate previously executed by the flow rate control program, and such that, for a duration of interruption Ti of the water supply to the vaporization chamber 17 greater than 3 s, the average flow rate of the feed 7, which is defined by the flow control circuit 25 when the steam control member 21 is actuated again, corresponds to the average flow rate of the feed pump 7 during the first phase of flow regulation of the flow control program.

En outre, le circuit de commande de débit 25 peut être configuré de telle sorte que, pour une durée d'interruption Ti de l'alimentation en eau de la chambre de vaporisation 17 comprise entre 1 s et 3 s, le débit moyen de la pompe d'alimentation 7, qui est défini par le circuit de commande de débit 25 lors d'un nouvel actionnement de l'organe de commande de vapeur 21, correspond au débit moyen de la pompe d'alimentation 7 durant une phase de régulation de débit du programme de régulation de débit comprise entre la première phase de régulation de débit et la phase de régulation de débit précédemment exécutée par le programme de régulation de débit. Par exemple, comme montré sur la figure 5, en fonction de la durée d'interruption Ti de l'alimentation en eau de la chambre de vaporisation 17, le débit moyen de la pompe d'alimentation 7, qui est défini par le circuit de commande de débit 25 lors d'un nouvel actionnement de l'organe de commande de vapeur 21, peut correspondre au débit moyen de la pompe d'alimentation 7 durant la quatrième phase de régulation de débit, c'est-à-dire au palier de débit P4. Il doit être noté que les durées d'interruption Ti et les durées d'actionnement Ta sont suivies, sur la figure 5, de chiffres en indice afin de pouvoir différencier lesdites durées les unes des autres.In addition, the flow control circuit 25 can be configured such that, for a duration of interruption Ti of the water supply to the vaporization chamber 17 of between 1 s and 3 s, the average flow rate of the pump feed 7, which is defined by the flow control circuit 25 when the steam control member 21 is actuated again, corresponds to the average flow of the feed pump 7 during a flow regulation phase of the flow control program between the first flow control phase and the flow control phase previously executed by the flow control program. For example, as shown on figure 5 , depending on the duration of the interruption Ti of the water supply to the vaporization chamber 17, the average flow rate of the feed pump 7, which is defined by the flow control circuit 25 during a new actuation of the steam control member 21 may correspond to the average flow rate of the feed pump 7 during the fourth flow rate regulation phase, that is to say to the flow rate level P 4 . It should be noted that the interruption times Ti and the actuation times Ta are followed, on the figure 5 , of index numbers in order to be able to differentiate said durations from one another.

Il convient de noter que, lors d'un nouvel actionnement de l'organe de commande de vapeur 21 après une durée d'interruption Ti, le circuit de commande de débit 25 poursuit le programme de régulation de débit à partir de la phase de régulation de débit correspondant au débit moyen défini par le circuit de commande de débit lors de ce nouvel actionnement de l'organe de commande de vapeur 21.It should be noted that when the steam control member 21 is actuated again after an interruption period Ti, the flow control circuit 25 continues the flow regulation program from the regulation phase. flow rate corresponding to the average flow rate defined by the flow control circuit during this new actuation of the steam control member 21.

L'appareil de repassage 2 comprend de plus une carte électronique de commande qui est par exemple intégrée dans le fer à repasser 3 et qui est équipée d'un microprocesseur 26 dans lequel sont intégrés le circuit de commande de chauffe 24 et le circuit de commande de débit 25.The ironing appliance 2 further comprises an electronic control card which is for example integrated in the iron 3 and which is equipped with a microprocessor 26 in which the heating control circuit 24 and the control circuit are integrated. flow rate 25.

Selon un mode de réalisation de l'invention, l'appareil de repassage 2 pourrait également comporter un interrupteur (non représenté sur les figures), tel qu'un microrupteur, porté par le fer à repasser 3 et configuré pour commander la communication d'un signal d'actionnement au circuit de commande de chauffe 24, la communication d'un signal d'activation au circuit de commande de débit 25 et la communication d'un signal de désactivation au circuit de commande de débit 25 en fonction de la position de l'organe de commande de vapeur 21.According to one embodiment of the invention, the ironing appliance 2 could also include a switch (not shown in the figures), such as a microswitch, carried by the iron 3 and configured to control the communication of an actuation signal to the heater control circuit 24, communicating an activation signal to the flow control circuit 25 and communication of a deactivation signal to the flow control circuit 25 as a function of the position of the steam controller 21.

Selon un mode de réalisation de l'invention non représenté sur les figures, l'organe de commande de vapeur 21 pourrait prendre la forme d'un bouton de commande de vapeur porté par le fer à repasser 3.According to an embodiment of the invention not shown in the figures, the steam control member 21 could take the form of a steam control button carried by the iron 3.

Bien entendu, la présente invention n'est nullement limitée au mode de réalisation décrit et illustré qui n'a été donné qu'à titre d'exemple. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the present invention is in no way limited to the embodiment described and illustrated which has been given only by way of example. Modifications remain possible, in particular from the point of view of the constitution of the various elements or by substitution of technical equivalents, without thereby departing from the scope of protection of the invention.

Claims (14)

  1. Ironing appliance (2) comprising a water tank (5), an iron (3) having a steam chamber (17) for producing steam and a steam control member (21) to be manually operated by a user and configured to control a water supply to the steam chamber (17) when the steam control member (21) is actuated, the iron further comprising an electric heating resistor (15) configured to heat the steam chamber (17) and a heating control circuit (24) configured to control the power supply of the electric heating resistor (15), characterised in that the steam control member (21) is connected to the heating control circuit (24) and is configured to control the communication of an actuation signal to the heating control circuit (24) when the steam control member (21) is actuated, and in that the heating control circuit (24) is configured to change the power supply of the electric heating resistor (15) when an actuating signal is communicated to the heating control circuit (24).
  2. Ironing appliance (2) according to claim 1, wherein the iron (3) comprises a temperature sensor (23) connected to the heating control circuit (24), the heating control circuit (24) being configured for regulating the power supply of the electric heating resistor (15) so as to bring the temperature of the temperature sensor (23) around a setpoint temperature, and wherein, when the steam control member (21) is actuated and controls the water supply of the steam chamber (17), the value of the target temperature is automatically increased with respect to an initial setpoint value.
  3. Ironing appliance (2) according to claim 2, wherein the temperature sensor (23) is configured to determine the temperature of the steam chamber (17).
  4. Ironing appliance (2) according to claim 2 or 3, wherein, when the supply of water to the steam chamber (17) is interrupted, the value of the setpoint temperature is automatically returned to the initial setpoint value.
  5. Ironing appliance (2) according to anyone of claims 2 to 4, wherein the initial setpoint value corresponds to a reference temperature adjustable by the user.
  6. Ironing appliance (2) according to any one of claims 1 to 5, wherein the iron (3) comprises a feed pump (7) fluidly connected to the water tank (5) and configured to supply water to the steam chamber (17), and a flow control circuit (25) connected to the steam control member (21) and configured to control the operation of the feed pump (7) according to a position or a state occupied by the steam control member (21).
  7. Ironing appliance (2) according to claim 6, which is configured such that the actuation of the steam control member (21) causes the feed pump (7) to start and to feed water from the steam chamber (17), and such that a release of the steam control member (21) causes the stopping of the feed pump (7) and an interruption of the supply of water to the steam chamber (17).
  8. Ironing appliance (2) according to claim 6 or 7, wherein the steam control member (21) is a steam control trigger.
  9. Ironing appliance (2) according to any one of claims 6 to 8, wherein, when the steam control member (21) is actuated and controls the supply of water to the steam chamber (17), the flow control circuit (25) controls the feed pump (7) according to a flow control programme including a first flow control phase in which the average flow rate of the feed pump (7) is maintained at a first flow rate stage (Pi) for a first predetermined time (ti) and at least a second flow control phase succeeding the first flow control phase and during which the average flow rate of the feed pump (7) is maintained for a second predetermined time (t2) at a second flow rate stage (P2) which is lower than the first flow rate stage (P1).
  10. Ironing appliance (2) according to claim 9, wherein the flow control programme comprises a series of successive flow control phases after the second flow control phase and which define a series of successive flow rate stages after the second flow rate stage to gradually decrease the average flow rate of the feed pump (7) when the steam control member (21) is actuated continuously for an actuation time (Ta) greater than the sum of the first and second predetermined times (t1, t2).
  11. Ironing appliance (2) according to any one of claims 6 to 10, wherein, when the supply of water to the steam chamber (17) is interrupted, the flow control circuit (25) counts an interruption time (Ti) of the water supply to the steam chamber (17), and the average flow rate of the feed pump (7), which is defined by the flow control circuit (25) during a new actuation of the steam control member (21), is then a function of the interruption time (Ti) of the water supply to the steam chamber (17).
  12. Ironing appliance (2) according to any one of claims 6 to 11, wherein the heating control circuit (24) and the flow control circuit (25) are integrated in a microprocessor.
  13. Ironing appliance (2) according to any one of claims 1 to 12, which further comprises a base (4) on which the iron (3) is placed during inactive ironing phases.
  14. Ironing appliance (2) according to any one of claims 1 to 13, wherein the iron (3) comprising an ironing sole plate (10) which is thermally bonded to the steam chamber (17) and is provided with at least one steam outlet (12) fluidly connected to the steam chamber (17).
EP19173573.7A 2018-05-31 2019-05-09 Ironing device provided with a steam control unit Active EP3575485B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1854733A FR3081887B1 (en) 2018-05-31 2018-05-31 IRONING APPARATUS HAVING A STEAM CONTROL MEMBER

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EP3575485A1 EP3575485A1 (en) 2019-12-04
EP3575485B1 true EP3575485B1 (en) 2020-12-30

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CN (1) CN110552185A (en)
FR (1) FR3081887B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111636180A (en) * 2020-05-21 2020-09-08 宁波凯波集团有限公司 Electronic control steam electric iron and temperature control method thereof
CN111691166B (en) * 2020-06-11 2022-10-21 宁波凯波智能熨烫电器制造有限公司 Temperature control method of ironing equipment

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WO2001055496A2 (en) 2000-01-25 2001-08-02 Koninklijke Philips Electronics N.V. Steam iron
US20100166396A1 (en) 2008-12-31 2010-07-01 WanQun Xu Repeated Evaporation Garment Steamer
EP2952624A1 (en) 2014-06-03 2015-12-09 Tsann Kuen (Zhangzhou) Enterprise Co., Ltd. Method for controlling operation of a steam iron
EP3093386A1 (en) 2015-05-15 2016-11-16 BSH Hausgeräte GmbH Steam ironing device with optimized temperature and steam control
DE102015225091A1 (en) 2015-05-29 2016-12-01 BSH Hausgeräte GmbH Steam iron and method of operating a steam iron

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US6396027B1 (en) * 2001-07-31 2002-05-28 Tsann Kuen Usa, Inc. Pressing iron with electroluminescent temperature status indicator
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ES2656508B1 (en) * 2016-07-06 2018-12-11 Bsh Electrodomésticos España, S.A. METHOD OF GENERATING STEAM AND DOMESTIC STEAM GENERATION DEVICE

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Publication number Priority date Publication date Assignee Title
WO1999022061A1 (en) 1997-10-29 1999-05-06 Koninklijke Philips Electronics N.V. Steam iron with anticipating power control
WO2001055496A2 (en) 2000-01-25 2001-08-02 Koninklijke Philips Electronics N.V. Steam iron
US20100166396A1 (en) 2008-12-31 2010-07-01 WanQun Xu Repeated Evaporation Garment Steamer
EP2952624A1 (en) 2014-06-03 2015-12-09 Tsann Kuen (Zhangzhou) Enterprise Co., Ltd. Method for controlling operation of a steam iron
EP3093386A1 (en) 2015-05-15 2016-11-16 BSH Hausgeräte GmbH Steam ironing device with optimized temperature and steam control
DE102015225091A1 (en) 2015-05-29 2016-12-01 BSH Hausgeräte GmbH Steam iron and method of operating a steam iron

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CN110552185A (en) 2019-12-10
FR3081887A1 (en) 2019-12-06
FR3081887B1 (en) 2020-05-15
EP3575485A1 (en) 2019-12-04

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