WO2005034688A1 - Tissu en laine chauffe - Google Patents

Tissu en laine chauffe Download PDF

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Publication number
WO2005034688A1
WO2005034688A1 PCT/NZ2004/000257 NZ2004000257W WO2005034688A1 WO 2005034688 A1 WO2005034688 A1 WO 2005034688A1 NZ 2004000257 W NZ2004000257 W NZ 2004000257W WO 2005034688 A1 WO2005034688 A1 WO 2005034688A1
Authority
WO
WIPO (PCT)
Prior art keywords
fibres
electrically
layers
conductive layer
thermally conductive
Prior art date
Application number
PCT/NZ2004/000257
Other languages
English (en)
Inventor
Steven Leftly
Dianne Jones
Alexandra Tasker
Original Assignee
Australian Wool Innovation Limited
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 Australian Wool Innovation Limited filed Critical Australian Wool Innovation Limited
Publication of WO2005034688A1 publication Critical patent/WO2005034688A1/fr

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H05B3/342—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heaters used in textiles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C21/00—Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
    • A47C21/04—Devices for ventilating, cooling or heating
    • A47C21/048—Devices for ventilating, cooling or heating for heating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/011—Heaters using laterally extending conductive material as connecting means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017—Manufacturing methods or apparatus for heaters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/036—Heaters specially adapted for garment heating

Definitions

  • the invention relates to heated textile system and in particular to a wool rich, flexible, electrically powered heated textile system.
  • the system may be in the form of a pad, wrap, blanket, bed underlay, incorporated into a continental quilt, interior textile or apparel item.
  • heated articles in the form of pads, panels, mats, blankets and garments rely on hard wiring technology to produce the desired heating effect.
  • the main disadvantage to this is that it detracts from the aesthetic and comfort aspects of the item.
  • these heated panel elements consist of insulated electrically conductive wires, which run through the panel in a series of chamiels where heating is required.
  • a conductive element e.g. copper wire, may be used as the element, which may be wrapped helically around a core of insulating material e.g. man-made, filament fibres such as polyester, then covered by an electrically insulating sheath.
  • More recent versions may include a wire composed of a positive temperature coefficient alloy, which is wrapped around the insulating sheath. This is used to detect if a section of the cable begins to overheat. The whole system is then covered by a further electrically insulating sheath resulting in a cable with a diameter of between 2 and 4 millimetres. This relatively inflexible cable can cause discomfort to the user, especially when pressure is applied to the panel.
  • the conductive heating element is sufficiently flexible it may also be directly incorporated into the body of the article during manufacture i.e. by weaving or knitting.
  • An example being Kishimoto U.S. 5,422,462, where insulated conductive yarns and wires are selectively substituted for warp and weft yarns during the weaving process.
  • These conductive elements are then connected at their ends to an electrical power source.
  • Numerous alternatives to these hard wired systems have been proposed, including Orbat et. Al with U.S. 4,764,665.
  • This incorporates a heating element comprising a fabric which has a metallised coating which is inflexible, hence detracting from the overall aesthetics of any resulting textile article and also, due to the metallising process, not economically viable.
  • Coatings of electro conductive paints and polymers have also been proposed but here the issue lies with producing a durable element, both in terms of wear and laundering, and also achieving the necessary electrical connection to the required power source.
  • Other products are based on a fabric based panel which constitutes the resistive heater panel with the electrical conductor elements being applied in a further process either as an electrically conductive paste, wire or hot melt adhesive an example being Rock and Sharma U.S. 6,307,189.
  • the electrical circuit necessary to produce the resistive heating effect is completed in a batch-wise manner rather than a single operation. This has impact both upon the economic viability and quality and durability of the subsequent electrical contacts.
  • the invention provides a flexible, multi-layer fabric system composed of at least three layers, which is capable of emitting heat when an electrical current is applied, comprising at least two electrically insulating wool rich layers encapsulating an electrically and thermally conductive layer itself containing at least two power supply lines which are incorporated during the textile manufacture stage
  • the electrically insulating layers are preferably woven, knitted or non-woven fabrics made of wool fibres blended with natural, regenerated or synthetic fibres.
  • the electrically and thermally conductive layer may be a woven knitted or non- woven fabric made of one of the following fibres: a) metal fibres b) carbon fibres c) metallised polymer fibres d) conductive polymer coated fibres or from a combination of these materials.
  • the electrically and thermally conductive layer is made of fibres as described above blended with fibres as described in above.
  • the electrically and thermally conductive layer may be encapsulated by either stitching, laminating, fusing or bonding it between the electrically insulating layers.
  • the electrically and thermally conductive layer may be separated from each of the electrically insulating layers by the addition of: a) layers with very high electrical insulation b) waterproof layers c) breathable membranes or from a combination of these materials.
  • a fabric system as claimed in any proceeding claim that is powered by connection to a domestic alternating current power supply or to a self-contained power supply.
  • FIGURE 1 shows the multi-layer structure of the wool-rich textile system
  • FIGURE 2 is a cross-section through the wool-rich textile system.
  • the heated wool textile product comprises a flexible, multi-layer Fabric-based system.
  • the heating element consists of a woven, knitted or non-woven material (2) containing either solely fibres, or yarns containing fibres, that are both electrically and thermally conductive or in combination with others that are electrically insulating. These electrically and thermally conductive fibres or yarns are arranged in regions where heating is required, each region miming perpendicular to the integrated power supply zones.
  • Two or more of these fabric-based power supply zones (3), composed of electrically conductive fibre, yam or multiples thereof, are incorporated during fabric manufacture to supply the panel with electric current. These power supply zones are connected to the power supply via a suitable connector (4, 5).
  • the heating element and power lines are encapsulated within two layers of a launderable wool-rich material (1) via stitching, bonding, fusing or laminating the layers together.
  • the invention is designed to be powered via a domestic power supply with appropriate voltage and current transformations for specific end uses.
  • An example of this being an electric wool underlay where the 240 volt input is transformed to 24 volts, typically using 120 watts of power.
  • This would also allow the invention to be powered by either a portable power supply such as batteries e.g. vehicle or domestic, portable generators or emergency medical power packs.
  • a heater system consisting of two electrically insulating layers composed of wool fibre with a conductive layer composed of stainless steel fibres that may be blended with natural and/or synthetic fibres, incorporating two or more fabric power lines.
  • the multilayer system is bonded via stitch bonding.
  • the said conductive layer being resistive in that when it is connected to a source of electrical current it opposes the electrical current flowing through with a heat producing resistance.
  • electricity is supplied to the system the element emits heat providing a system suitable for use as a heated under- blanket, over-blanket or for incorporation into a continental quilt.
  • the conductive layer is composed of carbon fibre that may be blended with natural and/or synthetic fibres.
  • EXAMPLE 3 As per Examples 1 and 2 but with the conductive layer being further electrically insulated by extra layers to give a 5-layer system. In this case the method of bonding could be via lamination. This will provide a heater system with a higher level of electrical protection for use in products for children and the elderly.
  • EXAMPLE 8 As per examples 1 to 5 but in the form of a pad of specific shape to be incorporated into an article of clothing or footwear.
  • the invention provides a heated textile product that has thermo physiological and comfort properties of wool textiles.
  • the product can be used for blankets, quilts, bed underlay, pads, wraps or even interior fabrics or apparel fabrics.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Surface Heating Bodies (AREA)

Abstract

L'invention concerne un système de tissu riche en laine multicouche et souple composé d'au moins trois couches et apte à émettre de la chaleur lorsqu'un courant électrique est appliqué, comprenant au moins deux couches riches en laine électriquement isolantes encapsulant une couche électriquement et thermiquement conductrice et au moins deux lignes d'alimentation. L'élément chauffant est constitué d'une matière tissé, tricotée ou non tissée (2) contenant soit uniquement des fibres, soit des fils contenant des fibres qui sont à la fois électriquement et thermiquement conducteurs ou combinés à d'autres fils électriquement isolants. Deux ou plusieurs lignes d'alimentation utilisant un tissu (3) sont incorporées pendant la fabrication du tissu de manière à alimenter le panneau en courant électrique, les lignes sont connectées à une alimentation à une unité de commande via un connecteur adapté (4, 5).
PCT/NZ2004/000257 2003-10-14 2004-10-14 Tissu en laine chauffe WO2005034688A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0324022A GB0324022D0 (en) 2003-10-14 2003-10-14 Heated wool textile
GB0324022.3 2003-10-14

Publications (1)

Publication Number Publication Date
WO2005034688A1 true WO2005034688A1 (fr) 2005-04-21

Family

ID=29559242

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NZ2004/000257 WO2005034688A1 (fr) 2003-10-14 2004-10-14 Tissu en laine chauffe

Country Status (2)

Country Link
GB (1) GB0324022D0 (fr)
WO (1) WO2005034688A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2459341A (en) * 2008-04-25 2009-10-28 Wilkie J & D Ltd Sheet material for use in electrical heating apparatus
ITRM20120445A1 (it) * 2012-09-18 2014-03-19 Agt S R L Pannello riscaldante, in particolare per la realizzazione di pavimenti riscaldanti.
CN108235793A (zh) * 2015-01-27 2018-06-29 荷兰应用自然科学研究组织Tno 用于织物层组件的柔性设备模块及生产方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4713531A (en) * 1983-04-12 1987-12-15 Girmes-Werke Ag Heating element for textiles
US4983814A (en) * 1985-10-29 1991-01-08 Toray Industries, Inc. Fibrous heating element
EP0648064A1 (fr) * 1993-09-07 1995-04-12 J.E. Holleman Panneau de chauffage électrique souple et méthode et appareil pour sa fabrication

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4713531A (en) * 1983-04-12 1987-12-15 Girmes-Werke Ag Heating element for textiles
US4983814A (en) * 1985-10-29 1991-01-08 Toray Industries, Inc. Fibrous heating element
EP0648064A1 (fr) * 1993-09-07 1995-04-12 J.E. Holleman Panneau de chauffage électrique souple et méthode et appareil pour sa fabrication

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2459341A (en) * 2008-04-25 2009-10-28 Wilkie J & D Ltd Sheet material for use in electrical heating apparatus
ITRM20120445A1 (it) * 2012-09-18 2014-03-19 Agt S R L Pannello riscaldante, in particolare per la realizzazione di pavimenti riscaldanti.
CN108235793A (zh) * 2015-01-27 2018-06-29 荷兰应用自然科学研究组织Tno 用于织物层组件的柔性设备模块及生产方法
CN108235793B (zh) * 2015-01-27 2020-01-07 荷兰应用自然科学研究组织Tno 用于织物层组件的柔性设备模块及生产方法

Also Published As

Publication number Publication date
GB0324022D0 (en) 2003-11-19

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