EP1236819A1 - Tissu possedant des proprietés de conduction de l'électricité - Google Patents
Tissu possedant des proprietés de conduction de l'électricité Download PDFInfo
- Publication number
- EP1236819A1 EP1236819A1 EP02356022A EP02356022A EP1236819A1 EP 1236819 A1 EP1236819 A1 EP 1236819A1 EP 02356022 A EP02356022 A EP 02356022A EP 02356022 A EP02356022 A EP 02356022A EP 1236819 A1 EP1236819 A1 EP 1236819A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wires
- fabric
- threads
- carbon
- groups
- 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.)
- Granted
Links
Images
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
- H05B3/347—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 woven fabrics
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/242—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads inorganic, e.g. basalt
- D03D15/275—Carbon fibres
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/60—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the warp or weft elements other than yarns or threads
- D03D15/67—Metal wires
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2101/00—Inorganic fibres
- D10B2101/10—Inorganic fibres based on non-oxides other than metals
- D10B2101/12—Carbon; Pitch
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2101/00—Inorganic fibres
- D10B2101/20—Metallic fibres
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/16—Physical properties antistatic; conductive
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/18—Outdoor fabrics, e.g. tents, tarpaulins
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
- E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
-
- 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
- H05B2203/014—Heaters using resistive wires or cables not provided for in H05B3/54
- H05B2203/015—Heater wherein the heating element is interwoven with the textile
-
- 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
Definitions
- the invention relates to the field of technical textiles, and more precisely to electrically conductive textiles. She finds applications multiple, and in particular in the production of truck tarpaulins, flexible roofing or even furnishing or interior fittings. It relates to more particularly a heating fabric incorporating metallic wires and carbon which allow heating by a “low voltage” power supply, and which is by construction very easily configurable to any geometry pattern, and to different surface heating powers.
- electrically conductive textiles consist of a elementary support fabric incorporating in the warp and / or weft copper wires or more generally metal wires. The presence of these sons gives the tissue structure some electrical conductivity allowing for multiple uses, and in particular for constituting heating fabrics.
- the objective of the invention is to provide a fabric which has properties electric and continuous on the surface of the fabric.
- a conductive fabric including among its weft threads, electrically conductive threads. These sons of frame are electrically connected in parallel by two conductive chain wires located on each side of the fabric.
- the power dissipated per unit area, for a fabric of given dimensions is only a function of the applied voltage. In others terms, it is not possible to adapt the dissipated power according to the desired application.
- the objective of the present invention is to provide a conductive fabric which can be used with supply voltages of the "low voltage" type, that is to say, included in the conventional range from 12 volts to 48 volts.
- a another objective is to allow a great modularity so as to ensure a energy dissipation per unit area which is user configurable very easy way.
- Another objective is to provide a coated fabric whose coating does not disturb not the connection properties between the conductive wires.
- the invention therefore relates to a fabric which has conduction properties. electricity.
- this fabric comprises, arranged in a regular manner, strips of carbon threads which ensure energy dissipation when traversed by an electric current.
- These strips of carbon threads are connected together by strips of conductive wires such as metallic wires, strips of wires of metal serving as supply and current leads to the carbon threads.
- These strips of power wires are much more spaced apart from each other as strips of carbon threads.
- the distribution of metallic wires and carbon wires on the entire surface of the fabric gives it a matrix structure thanks to which it is possible to supply voltage to any length or fabric width, if this width or length is greater than the distance D separating the strips of metal wires.
- the supply wires are sufficiently numerous throughout the width of the fabric to form two electrodes for any cut tissue.
- the metallic wires used can be alloy-based wires nickel, aluminum wires, stainless steel wires, or wires covered with a layer of gold.
- non-conductive wires used between the metallic wires can advantageously be polyester yarns, used for their good behavior mechanical.
- metals can also be used if their resistivity is sufficiently low, compared with that of the carbon heating wires, and in taking into account the relationship between the distances d and D separating the different bands carbon wires and metallic power wires.
- the coating layers, and for example coating, covering the two sides of the fabric may be different.
- the distance d separating the strips of wires from carbon can be between 1 and 10 centimeters, the distance separating the metal wire bands then being between 20 centimeters and 2 meters.
- power can be obtained by connecting different bands of wires alternately at one of the two terminals of the power source electric.
- the fabric can have on its selvedges, and at the ends of the strips of metal wire, areas in which the coating layers are removed. In this way, by performing a cutting perpendicular to the metal wire strips, at the level of the latter, just extract the coating layers by sliding them around the wires by pulling them out of the fabric. We do the same so that we strip a sheathed metal wire by stripping the extremal zone of the strip of metal wire.
- These supply terminals can be arranged at the end of all or part of the metal terminals, depending on the supply voltage that wish to apply to the fabric.
- the power dissipated per unit is varied surface, which allows the fabric to be adapted to different applications.
- the invention relates to a heating textile which is produced by weaving, and which incorporates two different types of conductive threads in these directions a chain and a frame.
- the fabric (1) comprises strips (2) of carbon threads which are spaced apart by a distance d.
- This fabric (1) also includes strips (3) of metal wires.
- the carbon threads have a titer of 200 tex and have 200 fibers per thread.
- Each strip (2) comprises five carbon threads of this guy.
- the strips (2) of carbon threads are spaced by a distance d of 5 centimeters.
- the carbon wires can be replaced by wires with similar electrical properties, i.e. higher resistivity to the supply wires. Mention may for example be made of threads made from fibers metal, with a diameter of the order of a micrometer.
- the metal wires used are the wires of pure nickel twenty hundredths of a millimeter in diameter.
- Each strip (3) of wire metal includes ten nickel wires, which represents a bandwidth of the order of the centimeter.
- the strips (3) of metal wires are spaced apart by a distance D equal to about a meter.
- the voltage drop measured along the supply wires of a strip (3) is negligible with regard to the voltage drop measured along copper wires between two successive bands (3).
- the threads (4) used for the rest of the fabric are non-conductive threads, for example example of conventional high tenacity polyester yarns of 1100 dtex, 200 strands.
- the weaving of metallic threads (13, 14) with carbon threads (12) such as illustrated in FIG. 2, provides an advantage as regards the surface of contact between these different wires. Indeed, the contact area between the carbon wires (12) and the metal wires (13) extends over part of the circumference of the wires carbon (13), typically greater than a quarter of this circumference. The sons of carbon which are more flexible than the metallic wires tend to crush, this which considerably increases the contact surface.
- This large contact surface allows the passage of a current relatively high, such as those used for low voltage power supplies of the type 12 to 48 volts.
- the coating layer (15, 16) which covers both sides of the fabric, thus preventing any risk of contact with live areas.
- the coating layers (15, 16) are identical and made for example of PVC. However, as already mentioned, these layers (15, 16) can be different so as to influence the direction of the heat flow released by the carbon wires (12).
- the textile according to the invention when used as that top cover of a building, and that it is intended to ensure a melting snow control, we will favor the heat flow towards the upper face of the tissue.
- the coating layer (15) located on the upper side of the fabric has better thermal conductivity than the layer (16) located on the lower side.
- the coating used may be such that its conduction properties heat varies on the very surface of one side of the fabric. So by modulating this thermal conductivity, we can standardize the heat flow emitted between the zones comprising the carbon threads, and the spaces between these strips of carbon.
- FIG. 3 and 4 illustrate the manipulations necessary to ensure the connection of the tissue to a power source.
- the fabric (1) has on its selvedge (5) different weft threads which are visible through the coating layer (15).
- these apparent sons one identifies nonconductive polyester yarns (6) and metallic yarns (13).
- These metallic wires (13) are part of a strip (3) of conductive wires. After having proceeded to a notch of the fabric along the planes (20, 21) parallel to the weft, we have cut the polyester chain threads (4) located in this region.
- This notch (22) can be made by an appropriate tool or even not be physically materialized, but simply result from the traction which will be carried out by the operator.
- This zone contains the portions of wires of polyester (4) which were previously cut when making the notches (20, 21).
- the various metallic wires (13) are then visible at the edge of the fabric, and the operator just has to put them together to put them in place in the appropriate connectors. The connection of the strip (3) of metal wires (13) is thus assured.
- the power source (26) can see its upper terminal connected to the terminals of the metal wires (3a, 3c, 3e), while its lower terminal is connected to the bands (3b, 3d). In other words, all segments of carbon wires located between two strips (3) of metal wires are subjected to the source supply voltage (26).
- the power source (27) has its upper terminal connected to the bands (3a, 3e) of the fabric, while its lower terminal is connected to the strip (3c) of the fabric.
- the carbon wire segments are subjected to potential difference equal to half that of the previous configuration.
- the same logic can be applied with the configuration of the source supply (28) illustrated in Figure 5c.
- the power source (28) is connected by its positive terminal to the band (3a) and its negative terminal to the band (3e).
- the tension imposed on the carbon wires is worth a quarter of that of configuration (26), which results in a power dissipated sixteen times lower.
- the wiring diagram of the different metal strips (3) can be adapted according to the desired dissipation power, in determining the length of the carbon threads required, and therefore the multiple of the distance D to obtain the dissipation of the desired power.
- This wiring can also be variable inside the fabric, to focus energy dissipation in specific areas.
- this wiring can be adapted according to the voltage nominal of the sources (26-28) used.
- a supply voltage of 12 volts may be sufficient. It's about then applications allowing a slight warming of the fabric in order to elimination of the condensation present on it when used for make marquee tents or other similar constructions.
- a 24 volt supply will quadruple the dissipated power per unit area. So, with 400 watt dissipation per square meter, the fabric can be used to make roofs or hangings superior able to withstand snow. In this case, the heating will allow to ensure a slight melting of the snow. This merger will be controlled, so that water accumulations will be avoided when the snow melts, thanks to a control the areas in which the snow will melt first.
- the fabric can then be used for heating applications, for example example for forming heated partitions or ceilings.
- the fabric according to the invention has multiple applications thanks to on the one hand to its matrix structure, on the other hand to its great ease of connection.
- this fabric can be used for multiple heating applications, in particular exterior walls of a building, as well as interior walls of the partition type or other. It can also be used for heating functions in all kinds of articles suitable for being covered with a textile. It can also be accessories used in the home such as blinds.
- this fabric can also be used for anti-static applications, and especially in areas where it is necessary to perform dust extraction such as industries mining, or automotive or railway tunnels, or even in the electronics industry.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Woven Fabrics (AREA)
- Non-Insulated Conductors (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Multicomponent Fibers (AREA)
- Surgical Instruments (AREA)
- Saccharide Compounds (AREA)
- Laser Surgery Devices (AREA)
Abstract
Description
Claims (8)
- Tissu (1) possédant des propriétés de conduction de l'électricité, caractérisé en ce qu'il comporte :dans le sens chaíne ou trame, des groupes de fils de carbone (12) et des groupes de fils (4) non conducteurs de l'électricité, l'esdits groupes de fils de carbone formant des bandes (2) régulièrement espacées d'une distance d;dans le sens trame ou chaíne, des groupes de fils métalliques (13) et des groupes de fils non conducteurs de l'électricité, lesdits groupes de fils métalliques formant des bandes (3) reliant électriquement en parallèle les bandes (2) de fils de carbone entre eux, les bandes (3) de fils métalliques étant régulièrement espacées d'une distance D au moins cinq fois supérieure à la distance d;une couche de revêtement isolant (15, 16) recouvrant chaque face du tissu.
- Tissu selon la revendication 1, caractérisée en ce que les fils métalliques (13) sont choisi parmi les fils de nickel, les fils d'aluminium, les fils en acier inoxydable et le fils recouverts d'une couche d'or.
- Tissu selon la revendication 1, caractérisé en ce que les fils (14) non conducteurs de l'électricité sont des fils de polyester.
- Tissu selon la revendication 1, caractérisé en ce que les couches de revêtement isolant (15, 16) sont des couches obtenues par enduction.
- Tissu selon la revendication 1, caractérisé en ce que les couches de revêtement isolant (15, 16) sont différentes sur les deux faces du tissu.
- Tissu selon la revendication 1, caractérisé en ce que la distance d séparant les bandes (2) de fils de carbone est comprise entre 1 et 10 centimètres, et en ce que la distance D séparant les bandes (3) de fils métalliques est comprise entre 20 centimètres et 2 mètres.
- Tissu selon la revendication 1, caractérisé en ce qu'il présente sur ses lisières (5), et à l'endroit des extrémités des bandes (3) de fils métalliques, des zones (25) dans lesquelles les couches d'enductions (15, 16) sont éliminées.
- Tissu selon la revendication 1, caractérisé en ce qu'il comporte en outre des bornes d'alimentation disposées sur ses lisières, à l'extrémité de certains groupes de fils métalliques.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0102737 | 2001-02-28 | ||
FR0102737A FR2821366B1 (fr) | 2001-02-28 | 2001-02-28 | Tissu possedant des proprietes de conduction de l'electricite |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1236819A1 true EP1236819A1 (fr) | 2002-09-04 |
EP1236819B1 EP1236819B1 (fr) | 2007-12-19 |
Family
ID=8860557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02356022A Expired - Lifetime EP1236819B1 (fr) | 2001-02-28 | 2002-02-12 | Tissu possedant des proprietés de conduction de l'électricité |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1236819B1 (fr) |
AT (1) | ATE381633T1 (fr) |
DE (1) | DE60224127T2 (fr) |
DK (1) | DK1236819T3 (fr) |
ES (1) | ES2296882T3 (fr) |
FR (1) | FR2821366B1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007003144A1 (fr) * | 2005-06-30 | 2007-01-11 | Gerd Lukoschus | Auvent pouvant etre chauffe |
GB2484980A (en) * | 2010-11-01 | 2012-05-02 | Bill John Finch | Low voltage heating sheet |
BE1020679A3 (nl) * | 2012-05-10 | 2014-03-04 | Heatsail Ip Bvba | Verwarmingselement voor gebruik buitenshuis voor het verwarmen van een terras of dergelijke en luifel aan een terras die voorzien is van zulk verwarmingselement. |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008035057B4 (de) * | 2008-07-26 | 2023-01-26 | Volkswagen Ag | Textiles Flächenheizelement |
ES2393013B1 (es) * | 2011-05-19 | 2013-09-16 | Comersan S.A. | Tejido calefactable. |
DE102012020869B4 (de) | 2012-10-24 | 2022-10-06 | Audi Ag | Flächenheizelement und Verwendung desselben für Fahrzeuginnenverkleidungen und Fahrzeugsitze |
DE102014001383A1 (de) | 2014-02-01 | 2015-08-06 | GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) | Verbundwerkstoff |
WO2016108146A1 (fr) | 2014-12-29 | 2016-07-07 | PartGyx Beteiligungen AG | Chauffage de surface |
DE102015219911A1 (de) | 2015-10-14 | 2017-04-20 | Robert Bosch Gmbh | Faden zur Herstellung eines elektrisch leitenden Gewebes, Verfahren zur Herstellung des Fadens, elektrisch leitendes Gewebe und Verfahren zu dessen Herstellung sowie Kleidungsstück |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4538054A (en) * | 1973-11-14 | 1985-08-27 | Bretoniere Andre B De | Electric heating fabric |
-
2001
- 2001-02-28 FR FR0102737A patent/FR2821366B1/fr not_active Expired - Fee Related
-
2002
- 2002-02-12 DK DK02356022T patent/DK1236819T3/da active
- 2002-02-12 ES ES02356022T patent/ES2296882T3/es not_active Expired - Lifetime
- 2002-02-12 DE DE60224127T patent/DE60224127T2/de not_active Expired - Fee Related
- 2002-02-12 EP EP02356022A patent/EP1236819B1/fr not_active Expired - Lifetime
- 2002-02-12 AT AT02356022T patent/ATE381633T1/de not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4538054A (en) * | 1973-11-14 | 1985-08-27 | Bretoniere Andre B De | Electric heating fabric |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007003144A1 (fr) * | 2005-06-30 | 2007-01-11 | Gerd Lukoschus | Auvent pouvant etre chauffe |
GB2484980A (en) * | 2010-11-01 | 2012-05-02 | Bill John Finch | Low voltage heating sheet |
BE1020679A3 (nl) * | 2012-05-10 | 2014-03-04 | Heatsail Ip Bvba | Verwarmingselement voor gebruik buitenshuis voor het verwarmen van een terras of dergelijke en luifel aan een terras die voorzien is van zulk verwarmingselement. |
Also Published As
Publication number | Publication date |
---|---|
DK1236819T3 (da) | 2008-03-31 |
DE60224127T2 (de) | 2008-12-04 |
FR2821366A1 (fr) | 2002-08-30 |
DE60224127D1 (de) | 2008-01-31 |
ES2296882T3 (es) | 2008-05-01 |
ATE381633T1 (de) | 2008-01-15 |
FR2821366B1 (fr) | 2003-05-30 |
EP1236819B1 (fr) | 2007-12-19 |
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