EP2239367B1 - Elektrisches Dampfbügeleisen mit einer Synchronisierungstemperaturanzeige - Google Patents

Elektrisches Dampfbügeleisen mit einer Synchronisierungstemperaturanzeige Download PDF

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Publication number
EP2239367B1
EP2239367B1 EP10157182A EP10157182A EP2239367B1 EP 2239367 B1 EP2239367 B1 EP 2239367B1 EP 10157182 A EP10157182 A EP 10157182A EP 10157182 A EP10157182 A EP 10157182A EP 2239367 B1 EP2239367 B1 EP 2239367B1
Authority
EP
European Patent Office
Prior art keywords
temperature
soleplate
electric iron
ironing
collar
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.)
Not-in-force
Application number
EP10157182A
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English (en)
French (fr)
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EP2239367A1 (de
Inventor
Lung Wai Choi
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Publication of EP2239367A1 publication Critical patent/EP2239367A1/de
Application granted granted Critical
Publication of EP2239367B1 publication Critical patent/EP2239367B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/26—Temperature control or indicating arrangements
    • D06F75/265—Temperature indicating arrangements; Control knobs
    • 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
    • D06F75/38—Sole plates

Definitions

  • the present patent application relates to an electric iron with a synchronizing temperature display.
  • Conventional electric irons have rotatable temperature-setting dials for setting different temperatures for ironing clothing made of different materials. When an ironing temperature needs to be set either from low to high or from high to low during ironing, a user can rotate the dial from one position to another position.
  • these conventional electric irons are not provided with any means for showing the user exactly how long it would take for the soleplate to reach the set temperature. The user does not have any clue what is the actual current temperature at the soleplate and whether it is ready to start ironing. Hence, the user may tend to start ironing when in fact the soleplate temperature may be still too high or too low. Ironing with inappropriate soleplate temperature can definitely cause damage to the clothing to be ironed.
  • the patent application US 2006/081588A1 describes an interface for an iron has a graphic display indicating the current temperature selection, user controls for adjusting the current temperature selection, and a ready indicator adapted to indicate when the iron is at the currently selected temperature.
  • an electric iron including the features of claim 1.
  • the heating element includes a first section extending between a first edge of the soleplate and one side of the collar, and a second section extending between a second edge of the soleplate and an opposite side of the collar, and wherein a middle portion of each of the first and second sections of the heating element bends towards the collar.
  • the collar is generally oval in shape.
  • the electric iron further includes a circuit board connecting between the temperature display and the temperature sensor.
  • the circuit board comprises a microcontroller unit for controlling the temperature at the soleplate and the synchronous display of the temperature on the temperature display.
  • the electric iron further includes a control panel which includes a temperature setting button for setting a plurality of temperature ranges, and a plurality of temperature setting indicators for indicating the modes of the temperature setting.
  • the plurality of temperature ranges includes a temperature range of about 90-120°C suitable for ironing silk, a temperature range of 120-150°C suitable for ironing polyester, a temperature range of about 150-200°C suitable for ironing cotton, and a temperature range of about 200-230°C suitable for ironing linen.
  • the temperature sensor is a negative temperature coefficient temperature sensor.
  • the temperature display is a LED display.
  • FIG. 1 is a perspective view of an electric iron 1 with a synchronizing temperature display 2 provided on a handle 3.
  • FIG. 2 is a cross sectional view of a soleplate 10 of the electric iron 1, a control panel 12 and a circuit board 14 according to an embodiment disclosed in the present patent application.
  • the control panel 12 may be provided on the handle 3 or a body of the electric iron readily visible by a user during ironing.
  • the soleplate 10 can be provided with a negative temperature coefficient (NTC) temperature sensor 16 or other suitable temperature sensors.
  • the NTC temperature sensor 16 is disposed in a bore formed on an inner surface of the soleplate 10 at a center thereof.
  • the NTC temperature sensor 16 can be electrically connected to the circuit board 14 by electrical wires 15, which is in turn electrically connected to the control panel 12.
  • the control panel 12 may include a synchronizing temperature LED display 18 or any other suitable display, a power indicator 20, a temperature setting button 22, and a plurality of temperature setting indicators 24, 26, 28, 30.
  • the synchronizing temperature LED display 18 is employed to indicate to the user the actual current temperature at the soleplate 10 during ironing.
  • the temperature setting button 22 can be employed to set a desired temperature range at the soleplate 10. According to the illustrated embodiment shown in FIGS. 3 and 4 , there are four temperature setting indicators 24, 26, 28, 30 for indicating four temperature ranges respectively.
  • the electric iron When power is supplied to the electric iron 1, the electric iron is in a stand-by mode. At this stand-by mode, the power button 20 is lit and the word “OFF" may be displayed on the LED display 18.
  • a user can press the temperature setting button 22 in order to set a desired temperature range.
  • the first temperature setting indicator 24 may start blinking and the temperature can be set at a range of 90-120°C suitable for ironing silk.
  • the second temperature setting indicator 26 may start blinking and the temperature can be set at a range of 120-150°C suitable for ironing polyester.
  • the third temperature setting indicator 28 may start blinking and the temperature can be set at a range of 150-200°C suitable for ironing cotton.
  • the fourth temperature setting indicator 30 may start blinking and the temperature can be set at a range of 200-230°C suitable for ironing linen.
  • the first temperature setting indicator 24 may start blinking again and the temperature can be set at a range of 90-120°C suitable for ironing silk, and so on.
  • a microcontroller unit (MCU) on the circuit board 14 may start detecting the temperature at the NTC temperature sensor 16 on the soleplate 10. It is understood that the NTC temperature sensor 16 is located at a lower portion of the soleplate 10 such that the temperature of the NTC temperature sensor 16 can be the same as the temperature on the lower surface of the soleplate 10 on which the clothing to be ironed is contacted.
  • MCU microcontroller unit
  • the temperature setting indicator 24, 26, 28 or 30 corresponding to the set temperature range may start blinking slowly.
  • the actual current temperature at the soleplate 10 can be displayed on the synchronizing temperature LED display 18. Electric circuit of a heating element 40 can be connected, and heat can be generated by the heating element 40 to heat up the soleplate 10.
  • the temperature setting indicator 24, 26, 28 or 30 corresponding to the set temperature range may stop blinking and remains lit, and the actual current temperature at the soleplate 10 can be displayed on the synchronizing temperature LED display 18.
  • the temperature setting indicator 24, 26, 28 or 30 corresponding to the set temperature range may start blinking quickly.
  • the actual current temperature at the soleplate 10 can be displayed on the synchronizing temperature LED display 18. Electric circuit of the heating element 40 is disconnected and the generation of heat can be stopped.
  • the temperature range is set at 120-150°C for ironing polyester. Since the actual current temperature at the soleplate 10 is 106°C, as indicated on the synchronizing temperature LED display 18, the temperature setting indicator 26 starts blinking slowly. This tells the user that the soleplate temperature is not hot enough for ironing polyester. Until the heating element heats the soleplate 10 up to a temperature of 120°C, then the temperature setting indicator 26 stops blinking and remains lit. This tells the user that the soleplate temperature is hot enough for ironing polyester and ironing can be commenced.
  • FIG. 4 shows that the temperature range is set at 200-230°C for ironing linen, and the actual current temperature at the soleplate 10 is 208°C which is within the set temperature range hot enough for ironing.
  • an electric iron with a synchronizing temperature display disclosed in the present application is that it can show the actual temperature of the soleplate at any time during an ironing process. This ensures that a user can iron clothing of different materials at the right temperature. For example, after setting a high temperature at a range of 150-200°C for ironing cotton, a user may want to lower the temperature of the soleplate to a range of 90-120°C for ironing silk. With the electric iron having a synchronizing temperature display, the user can set the temperature to a range of 90-120°C suitable for ironing silk and start ironing only after the actual soleplate temperature appearing on the synchronizing temperature LED display drops to 90-120°C.
  • the soleplate 10 may be provided with an integrally formed collar 50 extending upwardly from the inner surface 52 of the soleplate 10 and encompassing the temperature sensor 16.
  • the collar 50 may be generally oval in shape.
  • the heating element 40 is mounted on the soleplate 10. At least a portion of the heating element 40 is bent inwardly and disposed proximate to the collar 50. According to the illustrated embodiment, the heating element 40 includes a first section 40a extending between a first edge 10a of the soleplate 10 and one side 50a of the collar 50, and a second section 40b extending between a second edge 10b of the soleplate 10 and an opposite side 50b of the collar 50. Middle portions 40c, 40d of the first and second sections 40a, 40b of the heating element 40 respectively may bend towards the collar 50 into a generally neck-shaped portion.
  • the heating element 40 and the collar 50 can prevent the temperature at the center of the soleplate 10 from dropping too fast causing a difference between the temperature at the soleplate 10 and the temperature displayed on the temperature LED display 18.
  • the inwardly bending portions of the heating element 40 can heat up the center of the soleplate 10 where the NTC temperature sensor 16 is located so that the temperature at the center of the soleplate can be substantially equal to the temperature at the rest of the soleplate.
  • the collar 50 can absorb more heat from the heating element 40 thereby preventing the temperature at the center of the soleplate 10 from dropping too fast causing a difference between the temperature at the soleplate 10 and the temperature displayed on the temperature LED display 18.
  • the collar 50 is generally oval in shape, it is understood by one skilled in the art that the collar 50 can be in any other appropriate shape such as circle.

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

Claims (6)

  1. Elektrisches Bügeleisen, umfassend:
    eine Sohlenplatte (10);
    ein Heizelement (40), das auf der Sohlenplatte (10) montiert ist;
    einen Temperatursensor zum Messen einer Temperatur der Sohlenplatte (10); und
    eine Temperaturanzeige (2), die mit dem Temperatursensor (16) verbunden ist, um synchron die Temperatur an der Sohlenplatte (10) anzuzeigen;
    dadurch gekennzeichnet, dass
    der Temperatursensor (16) in einem Loch angeordnet ist, das auf einer inneren Oberfläche der Sohlenplatte (10) an einem Zentrum davon gebildet ist,
    wobei die Sohlenplatte (10) einen Kragen (50) aufweist, der sich von einer inneren Oberfläche (52) der Sohlenplatte (10) aus nach oben erstreckt und den Temperatursensor (16) umgibt, und
    wobei das Heizelement (40) sich auf der Sohlenplatte (10) zwischen einem Rand der Sohlenplatte (10) und dem Kragen (50) erstreckt,
    wobei mindestens ein Teil des Heizelements (40) in der Nähe des Kragens (50) angeordnet ist.
  2. Elektrisches Bügeleisen gemäß Anspruch 1, wobei das Heizelement (40) einen ersten Abschnitt (40a), der sich zwischen einem ersten Rand (10a) der Sohlenplatte (10) und einer Seite (50a) des Kragens (50) erstreckt, und einen zweiten Abschnitt (40b) umfasst, der sich zwischen einem zweiten Rand (10b) der Sohlenplatte (10) and einer gegenüberliegenden Seite (50b) des Kragens (50) erstreckt, und wobei ein mittlerer Teil (40c, 40d) sowohl des ersten als auch des zweiten Abschnitts (40a, 40b) des Heizelements (40) sich in Richtung des Kragens (50) krümmt.
  3. Elektrisches Bügeleisen gemäß Anspruch 1, wobei der Kragen (50) eine allgemein ovale Form aufweist.
  4. Elektrisches Bügeleisen gemäß Anspruch 1, weiter umfassend ein Bedienfeld (12), das ein Temperatureinstellknopf (22) zum Einstellen mehrerer Temperaturbereiche und mehrere Temperatureinstellungsanzeiger (24) zum Anzeigen der Modi der Temperatureinstellung einschließt.
  5. Elektrisches Bügeleisen gemäß Anspruch 4, wobei die mehreren Temperaturbereiche
    einen Temperaturbereich von ungefähr 90-120°C, der zum Bügeln von Seide geeignet ist,
    einen Temperaturbereich von 120-150°C, der zum Bügeln von Polyester geeignet ist,
    einen Temperaturbereich von ungefähr 150-200°C, der zum Bügeln von Baumwolle geeignet ist, und
    einen Temperaturbereich von ungefähr 200-230°C einschließen, der zum Bügeln von Leinen geeignet ist.
  6. Elektrisches Bügeleisen gemäß Anspruch 1, wobei der Temperatursensor (16) ein Temperatursensor mit negativem Temperaturkoeffizienten ist.
EP10157182A 2009-04-08 2010-03-22 Elektrisches Dampfbügeleisen mit einer Synchronisierungstemperaturanzeige Not-in-force EP2239367B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16786509P 2009-04-08 2009-04-08

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EP2239367A1 EP2239367A1 (de) 2010-10-13
EP2239367B1 true EP2239367B1 (de) 2012-02-15

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EP10157182A Not-in-force EP2239367B1 (de) 2009-04-08 2010-03-22 Elektrisches Dampfbügeleisen mit einer Synchronisierungstemperaturanzeige

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Country Link
US (1) US20100257761A1 (de)
EP (1) EP2239367B1 (de)
JP (1) JP3160112U (de)
CN (2) CN101858032B (de)
AT (1) ATE545728T1 (de)
HK (1) HK1138992A2 (de)

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US20100257761A1 (en) * 2009-04-08 2010-10-14 Lung Wai Choi Electric iron with a synchronizing temperature display
ES2445163B1 (es) * 2012-08-30 2014-12-10 Bsh Electrodomésticos España, S.A. Plancha, sistema de plancha y estación de planchado a vapor y procedimiento para planchar tejidos
CN103668920A (zh) * 2013-11-28 2014-03-26 谢虹 一种迷你电熨斗
EP3540114B1 (de) * 2018-03-13 2021-06-09 Electrolux Appliances Aktiebolag Bügeleisen mit benutzerschnittstelle
IT201900002287A1 (it) * 2019-02-18 2020-08-18 De Longhi Appliances Srl Ferro da stiro
CN110004692A (zh) * 2019-05-23 2019-07-12 卓力电器集团有限公司 一种新型电熨斗
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US11707104B1 (en) 2022-03-03 2023-07-25 Cricut, Inc. Heat press apparatuses, systems, and methods

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CN101858032B (zh) 2013-03-27
CN101858032A (zh) 2010-10-13
HK1138992A2 (zh) 2010-09-03
CN201634928U (zh) 2010-11-17
HK1150245A1 (en) 2011-11-11
JP3160112U (ja) 2010-06-10
ATE545728T1 (de) 2012-03-15
EP2239367A1 (de) 2010-10-13
US20100257761A1 (en) 2010-10-14

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