WO2000006822A1 - Procede permettant d'alimenter de maniere controlee un generateur de vapeur et l'appareil qui lui est connecte - Google Patents

Procede permettant d'alimenter de maniere controlee un generateur de vapeur et l'appareil qui lui est connecte Download PDF

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Publication number
WO2000006822A1
WO2000006822A1 PCT/EP1998/004741 EP9804741W WO0006822A1 WO 2000006822 A1 WO2000006822 A1 WO 2000006822A1 EP 9804741 W EP9804741 W EP 9804741W WO 0006822 A1 WO0006822 A1 WO 0006822A1
Authority
WO
WIPO (PCT)
Prior art keywords
supply
resistor
appliance
period
boiler
Prior art date
Application number
PCT/EP1998/004741
Other languages
English (en)
Inventor
Marcello Ferrante
Original Assignee
Marcello Ferrante
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 Marcello Ferrante filed Critical Marcello Ferrante
Priority to PCT/EP1998/004741 priority Critical patent/WO2000006822A1/fr
Publication of WO2000006822A1 publication Critical patent/WO2000006822A1/fr

Links

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
    • D06F75/12—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

  • DESCRIPTION Object of the present invention is a process for the controlled power supply of machines for steam generation and appliances connected thereto.
  • the invention applies to machines for the generation of steam that may be associated to any type of appliance, such as electric irons, cleaning appliances, humidifiers, multi-purpose appliances, etc., for the purpose of controlling the supply to the corresponding appliance so as never to exceed the maximum power that can be supplied by the electric power mains.
  • Steam generating machines are known that are equipped with a boiler presenting inside one or more electrical resistors having the function of transforming water into steam.
  • These machines may be associated, by means of suit- able connections, to a number of possible household appliances, such as electric irons or multi-purpose cleaning appliances.
  • the purpose of the invention is to create a process that enables supply, in a controlled way, of a stea - generating machine connected to an appliance that has a high current absorption, so as never to overstep the limit of power that can be supplied by the mains, at the same time keeping the operation of the said appliance substantially unaltered.
  • supply to the steam- generating machine is managed by an electronic card which incorporates at least one modulation unit.
  • the high switching frequency of the supply between one load and the other renders the discontinuity of supply practically imperceptible.
  • the thermal inertia of the ironing plate in the case of an iron and the resistor of the boiler make up for the substantially instantaneous deactivations of the supply.
  • the switching to the one or the other load occurs as the wave is passing through zero with the purpose of avoiding disturbances both of power supply to the appliance and in the mains.
  • the principle of controlled supply of the process according to the invention may be extended also to the case of two or more appliances connected simultaneously to the steam generating machine.
  • FIG. 1 shows an example of a steam-generating machine connected for the supply to an electric iron
  • - Figure 2 shows a graph of a possible solution for the supply of the boiler-appliance assembly
  • the steam generating machine 10 that adopts the process according to the invention is equipped with an internal boiler 11 associated to a spiral-shaped electrical resistor 12 that has the function of heating the water 14 present inside the boiler 11 and of transforming it into steam.
  • various appliances suitable for achieving the desired functions may be connected to the said machine 10.
  • the machine 10 is connected to an iron 13 as an exemplification of a high current- absorption appliance.
  • connection of the iron 13 to the machine 10 determines a high level of absorption resulting from the need of bringing the ironing plate 15 to a temperature of approximately 170-180°C.
  • This absorption of the iron 13, added to the absorp- tion of the resistor 12 of the boiler 11, may reach an excessively high level, in particular in the presence of absorption peaks, for normal applications in the domestic sphere, where the electrical power mains normally sup- plies power not exceeding a value of approximately 3 kW.
  • the card of the microprocessor inside the machine 10 is programmed to modulate, at a high frequency, electric power supply to the assembly formed by the resistor 12 and the iron 13, by supplying the said power alternately to the resistor 12 and to the iron 13, the corresponding activation/deactivation intervals being out of phase with respect to one another in time and substantially complementary.
  • This modulation is obtained, according to the exem- plifying diagram of Fig. 3, by switching at high frequency, using suitable switching means 16, the supply voltage between the resistor 12 of the boiler 11 and the iron 13.
  • this switching determines a period Tl of supply of the resistor, and a period T2 of supply of the iron 13, the said period T2 coinciding with the period of de- activation of the resistor 12.
  • the duration of the period Tl coincides with that of period T2.
  • the durations of the periods Tl and T2 are different.
  • the thermal inertia of the resistor 12 and of the ironing plate 15 renders the temporary absence of supply imperceptible and does not create any inconvenience in use, such as temperature drops or jumps.

Landscapes

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

Abstract

L'invention concerne un procédé qui permet d'alimenter de manière contrôlée un générateur de vapeur comportant un bouilleur (11) pourvu d'une résistance chauffante interne (12) et un appareil à forte consommation d'électricité branché sur ledit générateur, tel qu'un fer électrique (13). Le procédé consiste à fournir la puissance électrique alternativement à la résistance interne (12) du bouilleur (11) et à l'appareil (13), les périodes d'activation/désactivation étant mutuellement déphasées dans le temps et sensiblement complémentaires.
PCT/EP1998/004741 1998-07-29 1998-07-29 Procede permettant d'alimenter de maniere controlee un generateur de vapeur et l'appareil qui lui est connecte WO2000006822A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP1998/004741 WO2000006822A1 (fr) 1998-07-29 1998-07-29 Procede permettant d'alimenter de maniere controlee un generateur de vapeur et l'appareil qui lui est connecte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP1998/004741 WO2000006822A1 (fr) 1998-07-29 1998-07-29 Procede permettant d'alimenter de maniere controlee un generateur de vapeur et l'appareil qui lui est connecte

Publications (1)

Publication Number Publication Date
WO2000006822A1 true WO2000006822A1 (fr) 2000-02-10

Family

ID=8167023

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1998/004741 WO2000006822A1 (fr) 1998-07-29 1998-07-29 Procede permettant d'alimenter de maniere controlee un generateur de vapeur et l'appareil qui lui est connecte

Country Status (1)

Country Link
WO (1) WO2000006822A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2738305A1 (fr) * 2012-10-19 2014-06-04 BSH Bosch und Siemens Hausgeräte GmbH Station de repassage et unité de régulation et/ou de commande

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0033593A2 (fr) * 1980-01-15 1981-08-12 Kenwood Manufacturing Company Limited Appareil de commande de puissance
EP0423540A1 (fr) * 1989-10-20 1991-04-24 S.T.E.M. S.R.L. Générateur de vapeur à usage domestique et industriel
EP0531987A2 (fr) * 1991-09-12 1993-03-17 E.G.O. Elektro-Geräte Blanc und Fischer GmbH & Co. KG Dispositif de chauffage électrique
DE9409738U1 (de) * 1994-06-20 1994-12-15 Wap Reinigungssysteme Gmbh & Co, 89287 Bellenberg Dampfreiniger mit gesteigerter Leistung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0033593A2 (fr) * 1980-01-15 1981-08-12 Kenwood Manufacturing Company Limited Appareil de commande de puissance
EP0423540A1 (fr) * 1989-10-20 1991-04-24 S.T.E.M. S.R.L. Générateur de vapeur à usage domestique et industriel
EP0531987A2 (fr) * 1991-09-12 1993-03-17 E.G.O. Elektro-Geräte Blanc und Fischer GmbH & Co. KG Dispositif de chauffage électrique
DE9409738U1 (de) * 1994-06-20 1994-12-15 Wap Reinigungssysteme Gmbh & Co, 89287 Bellenberg Dampfreiniger mit gesteigerter Leistung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2738305A1 (fr) * 2012-10-19 2014-06-04 BSH Bosch und Siemens Hausgeräte GmbH Station de repassage et unité de régulation et/ou de commande

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