EP0719886B1 - Fer à repasser muni d'un détecteur thermique mesurant une température de tissu - Google Patents

Fer à repasser muni d'un détecteur thermique mesurant une température de tissu Download PDF

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Publication number
EP0719886B1
EP0719886B1 EP95203513A EP95203513A EP0719886B1 EP 0719886 B1 EP0719886 B1 EP 0719886B1 EP 95203513 A EP95203513 A EP 95203513A EP 95203513 A EP95203513 A EP 95203513A EP 0719886 B1 EP0719886 B1 EP 0719886B1
Authority
EP
European Patent Office
Prior art keywords
detector
iron
flat
soleplate
support
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.)
Expired - Lifetime
Application number
EP95203513A
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German (de)
English (en)
French (fr)
Other versions
EP0719886A1 (fr
Inventor
Jean-Pierre Hazan
Adriaan Netten
Jean-Louis Nagel
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of EP0719886A1 publication Critical patent/EP0719886A1/fr
Application granted granted Critical
Publication of EP0719886B1 publication Critical patent/EP0719886B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/26—Temperature control or indicating arrangements

Definitions

  • the invention relates to an iron comprising a sole intended to slide on a fabric, heating means to heat the sole, a thermal detector to measure a fabric temperature during ironing operations and for check the iron, fixing means to secure the detector with the sole by thermally insulating it.
  • Document JP-A-4 005 998 describes an iron including a thermal detector to measure the temperature of a fabric during ironing.
  • the detector is inserted into the soleplate of the iron. So that the detector is not too strongly influenced by the temperature of the soleplate, a thermal shielding is arranged around the detector.
  • the Constitution thermal shielding is not disclosed in the document.
  • the detector response times should be very short.
  • the detector must therefore have a low thermal inertia without therefore be vulnerable to thermal inputs from the sole. he it is therefore not permissible for the detector temperature to be too high influenced, in dynamic regime and in static regime, by the sole temperature.
  • the object of the invention is therefore to satisfy these requirements using specific fixing means, inexpensive high, allowing the thermal detector to be attached to the soleplate iron.
  • the fixing means comprise a blade flexible honeycomb of low effusiveness, the blade being intended for keep the detector thermally insulated from the soleplate and press the sensor gently against the fabric during ironing, the dimpled blade being secured to the sole by a rigid thermal insulating support.
  • the fixing means are thus sufficiently rigid to avoid significant bending of the detector, which avoids any embrittlement, while correctly applying the detector on the fabric to ensure good thermal contact.
  • Low effusiveness is characterized by low thermal conductivity, low specific mass, low heat capacity.
  • the detector thermal takes an equilibrium temperature closer to the sole temperature (generally significantly higher than 100 ° C) than the temperature of the fabric (usually close to ambient temperature).
  • the temperature of the detector must decrease very quickly until the fabric temperature.
  • the time constant of detector is around 0.1 to 0.4 seconds.
  • the honeycomb blade is embedded in the support to thermally isolate it laterally from the sole and improve its mechanical strength.
  • the fixing means give good lateral insulation of the detector parallel to the plane of the sole.
  • This layer can cover the support, at least partially, to seal between the detector and the support.
  • Figure 1 a diagram of an iron with a thermal detector.
  • Figure 2 a diagram of a first embodiment means for fixing the thermal detector according to the invention.
  • Figure 3 a diagram of a second embodiment of the means for fixing the thermal detector according to the invention.
  • Figure 4 a diagram of a particular example of realization corresponding to the second mode.
  • Figure 5 a sectional view of a detector placed in fixing means which give the detector a form slightly curved outwards.
  • FIG. 1 represents an iron 10 of the type known including a sole 11, heating means 12, a thermal detector 13 and fixing means 14 which join the detector 13 with the sole 11 by thermally insulating them one the other.
  • the thermal detector is used to adjust the means of heating and / or the emission of steam in the case of a steam iron.
  • the honeycomb blade 110 is formed of a first flexible and thermal insulating material, such as a felt, having by its constitution a honeycomb structure therefore very ventilated providing both the required flexibility and the required thermal insulation.
  • a first flexible and thermal insulating material such as a felt
  • Felt has the advantage of being a very good thermal insulator.
  • the temperature of the felt can rise above 100 ° C when the felt is not in contact with the fabric. Thanks to its low heat capacity involved and its low effusiveness, it allows the detector to return very quickly to a temperature close to that of the fabric.
  • Other cellular materials can also be used, for example a very low density silicone foam (0.1 to 0.2 approximately) or materials with a honeycomb structure such as the polyaramide material called "Nomex" * They can be used alone or preferably in combination with a felt which provides additional flexibility.
  • the felt prevents the detector from being damaged by direct contact with the honeycomb.
  • the felt may itself be provided with an interlayer, for example a polyimide sheet, to prevent the honeycomb material from piercing the felt.
  • Commercial felts can be used which resist temperatures up to around 250 ° C and have a very low density of the order of about 0.1 to 0.2.
  • a felt-based support Used alone, a felt-based support is not present not sufficient mechanical properties to be fitted and held in isolation on an iron soleplate without the detector is not damaged either during assembly or during use.
  • the felt blade (about a few millimeters thick) is placed on a support 120 which provides the required mechanical rigidity and satisfactory additional thermal insulation.
  • This support is for example made of "Teflon” * , material suitable for the range of temperatures usually encountered with an iron.
  • One face of the dimpled blade 110 receives the detector 13 which is maintained for example by pressure or by gluing.
  • the detector 13 is covered with a protective layer 150 of low thickness, for example in polyimide, for sealing and mechanical protection of the detector.
  • a protective layer 150 of low thickness for example in polyimide, for sealing and mechanical protection of the detector.
  • the other side of blade 110 is also held by pressing on the support 120. A the interface between the detector and the felt, we can place a thin interleaf sheet 140 to prevent chafing of the felt sensor.
  • the detector being generally removed on a substrate, the latter can constitute either the layer of protection 150 or the intermediate sheet 140 depending on the direction of mounting given to the detector.
  • the support 120 is provided with a tip 130 intended to pass through the sole 11.
  • the toe is provided with a passage to guide and isolate electrical connections 15 connected to the detector 13.
  • One side B of the sole is in contact with the fabric.
  • Another side A of the sole is in contact at least in part with a water reserve (not shown), the water transforming into steam in contact with the soleplate.
  • the steam thus produced passes to during ironing, through the soleplate through holes 17.
  • the support 120 provided with its tip 130 must seal the water vapor on the side of side A. This is obtained, for example, by slightly forcing it into the sole and / or sticking the support.
  • the mechanical strength of the support therefore serves both to ensure a rigid and waterproof fixing with the sole and for hold the blade.
  • the dimpled blade is quite fragile, so we avoid make it open on the side of side B. Therefore, to obtain correct lateral thermal insulation, preferably embed the blade in the holder.
  • the protective layer 150 is then extended to cover the junction between the blade and the support to prevent the passage of moisture or water vapor.
  • the combination of the blade and the rigid support provides therefore an optimal solution to the problems encountered in fixing a thermal detector on the soleplate of an iron.
  • This combination combines a honeycomb blade with very low effusiveness and of low heat capacity but which does not necessarily have good mechanical qualities, with a support having very good mechanical qualities but that is not necessarily as good thermal insulation than felt, and which, if used alone, would be insufficient to meet the requirements.
  • the support 120 is then formed from two parts: an external part 124, in contact with the sole, chosen firstly for its qualities of insulation, but nevertheless rigid, for example Teflon, and an internal part 122, in contact with the blade 110, formed by a material chosen in the first place for its qualities of rigidity, for example Celeron * .
  • the latter material in particular, retains a very good rigidity even for a very small thickness and this even after long periods of maintenance at high temperature. Its thermal insulation qualities are nevertheless less good than those of Teflon. It is also more suitable for receiving the protective layer 150 by bonding.
  • the complementarity of these two materials makes it possible to obtain a support having sufficient thermal insulation and sufficient mechanical rigidity even for a very small thickness, therefore for a low capacity. calorific.
  • FIG. 4 An exemplary embodiment in the case where the support is formed of two parts is shown in Figure 4.
  • the part external 124 and internal part 122 have recesses 125 which lighten each of the parts on their peripheries. Exchanges between the external part 124 and the internal part 122 on the one hand and the heat exchanges between the external part 124 and the sole 11 on the other hand, are thus reduced. he is also possible to make recesses inside the part external 124.
  • Other ways to reduce support surfaces can be envisaged by a person skilled in the art. In order to reduce radiant heat from the sole, we can make reflecting the surfaces of supports 124 and 122 in particular those oriented towards the sole. This can be done by deposit a reflective layer in the infrared (aluminum, gold) by example by evaporation.
  • the protective layer 150 is flush slightly towards the outside of the sole 11. This arrangement is provided so that during ironing the detector 13 can be applied, via the protective layer 150, to the ironing cloth. It is possible to promote this contact with the fabric by giving the blade 110 a slightly domed shape by example at its center. In a particular embodiment, this case is represented on the diagram of figure 5 which represents a section of the fixing means according to a perspective view.
  • the fastening means have a general shape of cylindrical appearance with circular base.
  • the external part 124 of the support has an appearance cup (reversed in Figure 5) filled with another cup 122 in Celeron, itself filled with a nest material of bees 123 forming the internal part.
  • Felt 110 is positioned on material 123. It is preferable to place a thin sheet of polyimide between the felt and the nest part bees to avoid damaging the felt blade. This felt is slightly put in compression by the pressure exerted by the protective layer 150 bonded to the external part 124. The felt has, at its center, a domed shape giving it an effect of elasticity. On this felt are fixed respectively, a thin insert sheet 140 ( Figure 4) (not shown in Figure 5 but which can be the substrate of the detector), the thermal detector 13 and the protective layer 150. So when the iron slides on the fabric, and despite the surface irregularities of this last, the detector remains in constant thermal contact allowing obtain a reliable measurement of the fabric temperature.
  • the detector has a low heat capacity. It could be a surface temperature detector formed by a sensitive element such as a resistive layer deposited for example on a substrate formed from a thin sheet of polyimide by a layer technique thick or thin layer, or a resistive layer maintained by collage for example. It can also be sensitive elements such as than surface thermocouples formed, for example, of layers thin or thick deposited by appropriate techniques.
  • the thin sheet used must be able to withstand without deformation of temperatures of around 100 ° C and even above due to the heating caused by the soleplate. The thin sheet should have a sufficiently low calorific capacity not to disturb the temperature measurement. Thin sheets of polyimide or Teflon 20 to 100 micrometers thick are suitable for this use.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Irons (AREA)
EP95203513A 1994-12-29 1995-12-15 Fer à repasser muni d'un détecteur thermique mesurant une température de tissu Expired - Lifetime EP0719886B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9415871 1994-12-29
FR9415871A FR2728914A1 (fr) 1994-12-29 1994-12-29 Fer a repasser muni d'un detecteur thermique mesurant une temperature de tissu

Publications (2)

Publication Number Publication Date
EP0719886A1 EP0719886A1 (fr) 1996-07-03
EP0719886B1 true EP0719886B1 (fr) 2000-05-10

Family

ID=9470415

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95203513A Expired - Lifetime EP0719886B1 (fr) 1994-12-29 1995-12-15 Fer à repasser muni d'un détecteur thermique mesurant une température de tissu

Country Status (8)

Country Link
US (1) US5642578A (ja)
EP (1) EP0719886B1 (ja)
JP (1) JPH08224399A (ja)
CN (1) CN1065577C (ja)
BR (1) BR9506087A (ja)
DE (1) DE69516828T2 (ja)
FR (1) FR2728914A1 (ja)
SG (1) SG54984A1 (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG83185A1 (en) * 2000-01-25 2001-09-18 Koninkl Philips Electronics Nv Steam iron
US6581309B1 (en) * 2001-12-07 2003-06-24 Carl J. Conforti Clothes iron
AU2003281583A1 (en) 2002-07-24 2004-02-09 Koninklijke Philips Electronics N.V. Iron with fabric contact detector
US8141279B2 (en) * 2004-12-22 2012-03-27 Koninklijke Philips Electronics N.V. Steam ironing device, ironing board and ironing system, with means for providing an electrically charged steam output
EP1869241B1 (en) * 2005-04-07 2018-08-01 Koninklijke Philips N.V. Ironing appliance comprising identification means for identifying the fabric type of articles to be ironed
US7395619B2 (en) * 2006-01-27 2008-07-08 Tunbow Electrical Limited Steam iron
US20100257761A1 (en) * 2009-04-08 2010-10-14 Lung Wai Choi Electric iron with a synchronizing temperature display
CN101886327B (zh) * 2009-05-11 2013-04-17 黄伟聪 一种挂烫机
KR20120099616A (ko) * 2009-07-04 2012-09-11 라우라스타 에스에이 프레싱 다리미의 다리미 밑판
DE102011009128B4 (de) * 2011-01-21 2015-11-19 Excelitas Technologies Singapore Pte Ltd Heizung für einen Sensor, beheizter Strahlungssensor, Strahlungserfassungsverfahren
WO2015106054A1 (en) 2014-01-09 2015-07-16 Herrild Natalie Ironing device
CN103952890B (zh) * 2014-05-08 2016-08-17 青岛华恩洗涤机械有限公司 控制烫平机和折叠机联动的系统和方法
US9994993B2 (en) 2014-11-26 2018-06-12 International Business Machines Corporation Automated selection of settings for an ironing device
BR112017002321B1 (pt) 2015-02-10 2022-02-22 Koninklijke Philips N.V Ferro a vapor, e, método para conferir uma fragrância ao vapor
EP3502345A1 (en) 2017-12-22 2019-06-26 Koninklijke Philips N.V. Textile treatment device and portable device for obtaining a classification of a textile
EP3754096A1 (en) * 2019-06-17 2020-12-23 Koninklijke Philips N.V. Portable textile treatment device with image sensor and thermal insulation means

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4360277A (en) * 1980-12-31 1982-11-23 Burlington Industries, Inc. Portable fabric temperature profiler
JPS635998A (ja) * 1986-06-27 1988-01-11 沖電気工業株式会社 Ｉｃカ−ドおよびその製造方法
DD271375A1 (de) * 1988-04-04 1989-08-30 Oppach Schaltelektronik Temperaturfuehlergehaeuse fuer warmwasserboiler
JPH0323898A (ja) * 1989-06-20 1991-01-31 Matsushita Electric Ind Co Ltd 誘導加熱式アイロン
JPH03267098A (ja) * 1990-03-16 1991-11-27 Toshiba Corp 電熱式アイロン
JP2913754B2 (ja) * 1990-04-24 1999-06-28 松下電器産業株式会社 アイロン
FR2679270A1 (fr) * 1991-07-19 1993-01-22 Philips Electronique Lab Fer a repasser muni d'un detecteur de la nature des tissus.
ES2041564B1 (es) * 1991-07-23 1995-05-01 Girbau Sa Maquina planchadora.
JP3023898B2 (ja) * 1991-09-30 2000-03-21 マツダ株式会社 車両用定速走行装置

Also Published As

Publication number Publication date
SG54984A1 (en) 2001-07-24
BR9506087A (pt) 1997-12-23
FR2728914A1 (fr) 1996-07-05
EP0719886A1 (fr) 1996-07-03
US5642578A (en) 1997-07-01
CN1065577C (zh) 2001-05-09
CN1132285A (zh) 1996-10-02
DE69516828D1 (de) 2000-06-15
JPH08224399A (ja) 1996-09-03
DE69516828T2 (de) 2000-11-30

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