EP0995831A1 - Bügeltisch mit Dampfabsauger - Google Patents

Bügeltisch mit Dampfabsauger Download PDF

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Publication number
EP0995831A1
EP0995831A1 EP98119933A EP98119933A EP0995831A1 EP 0995831 A1 EP0995831 A1 EP 0995831A1 EP 98119933 A EP98119933 A EP 98119933A EP 98119933 A EP98119933 A EP 98119933A EP 0995831 A1 EP0995831 A1 EP 0995831A1
Authority
EP
European Patent Office
Prior art keywords
circuit
output
electric
exhauster
ironing board
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.)
Withdrawn
Application number
EP98119933A
Other languages
English (en)
French (fr)
Inventor
Nicola Settimo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Settimo Diffusion Sas
Original Assignee
Settimo Diffusion Sas
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Settimo Diffusion Sas filed Critical Settimo Diffusion Sas
Priority to EP98119933A priority Critical patent/EP0995831A1/de
Priority to DE29820145U priority patent/DE29820145U1/de
Priority to FR9815317A priority patent/FR2786508B3/fr
Priority claimed from FR9815317A external-priority patent/FR2786508B3/fr
Publication of EP0995831A1 publication Critical patent/EP0995831A1/de
Withdrawn legal-status Critical Current

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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
    • D06F81/00—Ironing boards 
    • D06F81/08—Ironing boards  incorporating heating, steaming, or forced ventilation means
    • 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 invention refers to an ironing board with steam exhauster, fit to produce the automatic operation of such exhauster and consequently the elimination of the same steam contemporaneously to the connection of the iron used for the ironing on such board.
  • ironing boards for ironing clothing articles utilized in combination with irons with steam generator and provided with exhauster for the elimination of steam which is produced during the ironing phase, in order to maintain dry the clothing articles also after the ironing phase.
  • these ironing boards are provided with a pedal control, which is connected in the exhauster electric circuit, separately from the electric circuit of the iron, which is operated by the foot for producing the connection and disconnection of the same exhauster respectively at the beginning and the end of the ironing phase.
  • the so realized ironing boards require a particular care by the operator for being able to operate the exhauster so as to eliminate the steam, and therefore are not fit for performing such function in the case of omission of operating the pedal or not correct use of the ironing board by the user.
  • the present invention has the object to prevent with safety the above mentioned inconvenience to take place, by means of an ironing board realized so as to connect and disconnect automatically the exhauster respectively at the beginning and the end of the ironing phase of clothing articles onto such ironing board, thereby ensuring a high reliability to this kind of apparatuses.
  • FIG. 1 it is represented schematically an ironing board 5 for ironing clothing articles, in a first embodiment thereof, which is utilized in combination with irons with steam generation (not shown) of per se known kind, such ironing board comprising substantially an ironing plane 6 with horizontal extent joined to a proper support structure 7 of folding kind, for resting it onto the ground, and provided with electric heating resistances 8 and at least an exhauster 9 for the steam developed during the ironing phase, which is driven by at least an electric motor 10 connected in the electric circuit of this appliance together with the electric resistances 8, to at least a temperature regulator such as a thermostat 11 or the like, adapted to control the switching on or off of such resistances so as to maintain the temperature of the ironing board and therefore of ironing of the clothing articles within pre-established limits, and a control circuit 12 acting with the above mentioned electric components and made in the manner and for the functions hereinafter described.
  • a control circuit 12 acting with the above mentioned electric components and made in the manner and for the functions hereinafter described.
  • such ironing board is provided with a support table 13 articulated laterally thereto and assigned for supporting the relative iron with steam generation, which can be displaced from this extended position for supporting the iron to a position folded and laid on the ironing plane 6, in the condition in which the ironing board isn't utilized for the ironing phase.
  • Figs. 2 and 3 it is shown schematically the composition of two different control circuits 12, based substantially upon the principle to sense the operative condition of the solenoid valve (not shown) incorporated in the iron, so as to permit or not permit the steam flow from the steam generator through the same iron, so as to cut in or off automatically the motor 10 of the exhauster 9 respectively when such solenoid valve is energized (and therefore the steam is flowing through the iron), with consequent suction and elimination of such steam, or de-energized (and therefore the steam isn't flowing through the iron), in the condition in which no steam is developed and therefore the suction and elimination thereof isn't required.
  • the solenoid valve not shown
  • this control circuit is made preferably by a card provided with electric and electronic components subdivided in a first measuring circuit (block 14) provided with two inputs 15 and 16 connected in parallel to the mains in order to measure the electric mains voltage adequately filtered from the produced noises, by generating at its output 17 a low d.c. voltage electric signal which is proportional to such voltage, a second measuring circuit (block 18) provided with two inputs 19 and 20 connected in series to the appliance electric circuit so as to measure the flowing electric current which is variable depending on the inductive circuit load formed by the heating resistances 8 and the steam control solenoid valve, by generating at its output 21 a low d.c.
  • a multiplier circuit 22 whose inputs 23 and 24 are respectively connected to the output 17 of the first measuring circuit 14 and the output 21 of the second measuring circuit 18, in order to determine the input level during the ironing phase depending on the above mentioned inductive load, so as to generate at the output 25 of such multiplier circuit an electric signal which is proportional to the output level respectively measured.
  • such multiplier circuit 22 is connected with its output 25 to the input 26 of a comparison circuit (block 27), arranged for performing the comparison between the electric signal generated at the output 25, which as already stated is variable depending on the electric output respectively absorbed by the above mentioned inductive load, and an electric signal corresponding to an electric output absorbed by the heating elements 8 with or without energization of the steam control solenoid valve, and such that to vary from a lowest to a greatest level thereof depending on the connection of the heating elements alone or of these latter together with the solenoid valve, so that at the output 28 of such comparison circuit 27 an electric signal dependent on this comparison is generated, which signal provides for controlling the connection or disconnection of the electric motor 10 of the exhauster 9 through a suitable electric control circuit 29 of per se known timed type, depending on the result of the same comparison.
  • the comparison circuit 27 is so calibrated as to generate at its output 28 such an electric signal as to keep the motor 10 off, and therefore also the exhauster 9 stopped, in the condition in which the appliance is operating and the measured electric output corresponds with that one absorbed by the heating resistances 8 alone, and said solenoid valve is de-energized so that no steam for ironing is developed, and to determine automatically the connection of the motor 10 and therefore the operation of the exhauster 9 when the level of the measured electric output is the same of that one developed by the connection of the heating resistances 8 and said solenoid valve, which is energized, so that the ironing steam is developed and consequently sucked and eliminated instantaneously by such exhauster 9.
  • control circuit 12 shown in the Fig. 3, it is noted that this circuit is always made preferably as a card provided with electric and electronic components, also in this case subdivided in a voltage measuring circuit 14 and a current measuring circuit 18, connected like the previously described circuits and generating at the respective outputs 17 and 21 low d.c. voltage electric signals which are proportional to these quantities.
  • Such voltage measuring circuit 14 and current measuring circuit 18 are also connected with the respective outputs 17 and 21 to the corresponding inputs 30 and 31 of a phase difference measuring circuit 32, adapted to sense the instantaneous changes of the electric signals generated at the outputs of the above mentioned measuring circuits and corresponding to the instantaneous changes of the phase difference between the so measured voltage and current, depending on the changes of the inductive load composed of the heating resistances 8 and said solenoid valve.
  • this phase difference measuring circuit 32 is provided with an output 33 connected to a first input 34 of a logic circuit of conventional type, in the present case constituted by an AND gate 35, and is so set as to generate at both the output 33 and the first input 34 always a determinate logic level whatever phase difference is measured, independently from the changes of the above mentioned inductive load.
  • the present control circuit is also constituted by a load sensing circuit 36, connected on the one hand to the output 21 of the current measuring circuit 18 and the input 31 of the phase difference measuring circuit 32, and on the other hand to a second input 37 of the logic circuit 35, adapted to sense steadily the level of the specified inductive load, so as to apply to this input 37 a logic level corresponding to the respectively sensed load level, in a manner to provide for a determined logic level which remains unchanged until the sensed level is maintained within a pre-established limit, in the condition in which the appliance is out of commission or is operating and the heating resistances 8 alone are connected and the solenoid valve for steam is de-energized, so that the ironing steam isn't developed, and a different logic level in the condition in which the appliance is operating and the heating resistances 8 are connected and the solenoid valve is energized, so that the steam is developed and therefore the suction and elimination thereof is required.
  • the logic circuit 35 is connected with its output 38 to the motor 10 of the exhauster 9, through a control circuit 39 of per se known timed type, so as to be able to control the connection or disconnection of the same exhauster depending on the logic state of the output 38, determined by the logic levels applied from time to time to the inputs 34 and 37 of such logic circuit and depending on the condition of load provided in the appliance electric circuit.
  • an ironing board 5 is represented in a second embodiment thereof, it is noted that such board is substantially composed of the same component parts of the board described in the Fig. 1, and with respect thereto it comprises further at least a pair of adequate moisture sensors 40 of per se known electric type, housed internally the ironing board covering fabric, or also in different positions in the ironing board, preferably closely into contact with such fabric so as to be able to sense the moist or dried condition thereof, and which are connected to a control circuit 41 for the exhauster motor 10, which will be described later in detail, so that to cause the connection and disconnection of such motor depending on the moist conditions of the same fabric, thereby ensuring an effective ironing of the clothing articles.
  • a pair of adequate moisture sensors 40 housed internally the ironing board covering fabric, or also in different positions in the ironing board, preferably closely into contact with such fabric so as to be able to sense the moist or dried condition thereof, and which are connected to a control circuit 41 for the exhauster motor 10, which will be described later in detail, so that to cause the connection and
  • the moisture sensors 40 are adapted to sense the fabric moist condition by measuring the change of either the electric resistance of such fabric, or of the capacitive impedance formed between the pair of sensors (acting as capacitor plates) and the material of the ironing board covering fabric, which is proportional to the content of moisture absorbed by such fabric.
  • the composition of the control circuit 41 which also in this case is made preferably by a card provided with electric and electronic components, subdivided in an adapter circuit 42 provided with two inputs 43 and 44 connected to the moisture sensors 40 and supplied with the mains electric voltage, which is adequately filtered from the noises thus generating at its output 45 an electric signal corresponding to the electric resistance or the capacitive impedance of the ironing board fabric which has been respectively sensed, which in turn corresponds to the moisture content of the same fabric, as well as a measuring circuit 46 provided with an input 47 connected to said output 45 and provided for the comparison between the level of such electric signal and an electric reference signal of either pre-established level or variable level and proportional to the average trend of the moisture content, which signal is applied to a further input 48 of said measuring circuit and corresponds to a moisture content deriving from the steam generation, said measuring circuit being provided with an output 49 connected to the motor 10 of the exhauster 9 through a signal processing circuit 50 and a control circuit 51 of known type, and
  • control circuit 51 provides for maintaining the exhauster stopped, while as soon as this moisture content tends to increase and attains the correspondent pre-established or variable level of said reference signal, the control circuit 51 provides to set at work said exhauster, with consequent suction and elimination of the steam.
  • the so realized ironing board is able to ensure automatically and reliably the suction and elimination of the steam directly during the use of the iron, without the need of interventions by the user for the exhauster control, with consequent effective ironings of the clothing articles.
  • This ironing board is of universal type, in that it may operate with all types of irons, even those with instantaneous steam generation without boiler.
  • the present ironing board may be made also in a different and more simple constructive system, by connecting to this aim the exhauster motor electric supply system in the electric circuit of the solenoid valve, which in turn is controlled by means of a manual operated push-button incorporated in the iron, wherein such connection is obtained by means of an auxiliary outlet mounted on the body of the steam generation boiler, separated from the iron, to which the exhauster electric supply cable is connected.
EP98119933A 1998-08-28 1998-10-21 Bügeltisch mit Dampfabsauger Withdrawn EP0995831A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP98119933A EP0995831A1 (de) 1998-10-21 1998-10-21 Bügeltisch mit Dampfabsauger
DE29820145U DE29820145U1 (de) 1998-10-21 1998-11-11 Dampfbügeleisen
FR9815317A FR2786508B3 (fr) 1998-08-28 1998-12-01 Fer a repasser a vapeur

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP98119933A EP0995831A1 (de) 1998-10-21 1998-10-21 Bügeltisch mit Dampfabsauger
DE29820145U DE29820145U1 (de) 1998-10-21 1998-11-11 Dampfbügeleisen
FR9815317A FR2786508B3 (fr) 1998-08-28 1998-12-01 Fer a repasser a vapeur

Publications (1)

Publication Number Publication Date
EP0995831A1 true EP0995831A1 (de) 2000-04-26

Family

ID=27220164

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98119933A Withdrawn EP0995831A1 (de) 1998-08-28 1998-10-21 Bügeltisch mit Dampfabsauger

Country Status (2)

Country Link
EP (1) EP0995831A1 (de)
DE (1) DE29820145U1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1186698A2 (de) * 2000-09-08 2002-03-13 Hailo-Werk Rudolf Loh GmbH & Co. KG Bügeltisch
DE10106329A1 (de) * 2001-02-09 2002-08-14 Loh Kg Hailo Werk Bügeltisch mit einer Einrichtung zur Erzeugung von Dampf
WO2007007230A1 (en) * 2005-07-07 2007-01-18 Koninklijke Philips Electronics N.V. Method for operating an active ironing board
DE102006009175A1 (de) * 2006-02-24 2007-09-06 Hailo-Werk Rudolf Loh Gmbh & Co. Kg Bügeltisch zum Dampfbügeln mit einem Feuchtigkeitssensor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29815077U1 (de) * 1998-08-21 1998-11-05 Kaercher Gmbh & Co Alfred Dampfbügeleisen

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1519356A (en) * 1976-08-26 1978-07-26 Simmonds M Ironing method and apparatus
JPH04122398A (ja) * 1990-09-14 1992-04-22 Matsushita Electric Ind Co Ltd 吸引式アイロン台
DE4201733A1 (de) * 1992-01-23 1993-07-29 Detlef Wende Buegeltisch
EP0750066A1 (de) * 1995-06-19 1996-12-27 Divelit S.A. Haushaltbügeleinrichtung
EP0843040A1 (de) * 1996-11-15 1998-05-20 ESSE85 S.r.l. Bügeltisch mit Saugvorrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1519356A (en) * 1976-08-26 1978-07-26 Simmonds M Ironing method and apparatus
JPH04122398A (ja) * 1990-09-14 1992-04-22 Matsushita Electric Ind Co Ltd 吸引式アイロン台
DE4201733A1 (de) * 1992-01-23 1993-07-29 Detlef Wende Buegeltisch
EP0750066A1 (de) * 1995-06-19 1996-12-27 Divelit S.A. Haushaltbügeleinrichtung
EP0843040A1 (de) * 1996-11-15 1998-05-20 ESSE85 S.r.l. Bügeltisch mit Saugvorrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 016, no. 383 (C - 0974) 17 August 1992 (1992-08-17) *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1186698A2 (de) * 2000-09-08 2002-03-13 Hailo-Werk Rudolf Loh GmbH & Co. KG Bügeltisch
EP1186698A3 (de) * 2000-09-08 2004-01-07 Hailo-Werk Rudolf Loh GmbH & Co. KG Bügeltisch
DE10106329A1 (de) * 2001-02-09 2002-08-14 Loh Kg Hailo Werk Bügeltisch mit einer Einrichtung zur Erzeugung von Dampf
WO2007007230A1 (en) * 2005-07-07 2007-01-18 Koninklijke Philips Electronics N.V. Method for operating an active ironing board
DE102006009175A1 (de) * 2006-02-24 2007-09-06 Hailo-Werk Rudolf Loh Gmbh & Co. Kg Bügeltisch zum Dampfbügeln mit einem Feuchtigkeitssensor

Also Published As

Publication number Publication date
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