WO2016044971A1 - Dispositif de chauffage électrique avec support de textile plat - Google Patents

Dispositif de chauffage électrique avec support de textile plat Download PDF

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Publication number
WO2016044971A1
WO2016044971A1 PCT/CN2014/087063 CN2014087063W WO2016044971A1 WO 2016044971 A1 WO2016044971 A1 WO 2016044971A1 CN 2014087063 W CN2014087063 W CN 2014087063W WO 2016044971 A1 WO2016044971 A1 WO 2016044971A1
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WO
WIPO (PCT)
Prior art keywords
carrier
air
heating device
holes
electrical heating
Prior art date
Application number
PCT/CN2014/087063
Other languages
English (en)
Inventor
Suki ZHANG
HaiMing YANG
Original Assignee
Gentherm Automotive Systems (China) Ltd.
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 Gentherm Automotive Systems (China) Ltd. filed Critical Gentherm Automotive Systems (China) Ltd.
Priority to KR1020177008408A priority Critical patent/KR20170058380A/ko
Priority to PCT/CN2014/087063 priority patent/WO2016044971A1/fr
Priority to CN201510031828.8A priority patent/CN105857138A/zh
Priority to CN201520044718.0U priority patent/CN204236296U/zh
Publication of WO2016044971A1 publication Critical patent/WO2016044971A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/56—Heating or ventilating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/56—Heating or ventilating devices
    • B60N2/5607—Heating or ventilating devices characterised by convection
    • B60N2/5621—Heating or ventilating devices characterised by convection by air
    • B60N2/5657—Heating or ventilating devices characterised by convection by air blown towards the seat surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/56—Heating or ventilating devices
    • B60N2/5678—Heating or ventilating devices characterised by electrical systems
    • B60N2/5685—Resistance
    • 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
    • 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
    • H05B2203/029—Heaters specially adapted for seat warmers

Definitions

  • One subject according to the present invention is an electrical heating device with a flat textile carrier. It can, for example, be used in the heating or for temperature con-trol of seat surfaces or armrests, particularly in vehicles, of seatshandles of vehicle doors, steering wheels or control sticks.
  • Some applications require alternative or improved features that are advantageous with regard to their manufacturing costs, to their ability to create a pleasant climate and/or to their stability.
  • FIG. 1A Vehicle 1 with temperature conditioned interior objects 2 in a partial longitudinal cut
  • FIG. 1B Cross section through a first seat of a vehicle according to Fig. 1A with a climatization device according to the present invention and an air distribution layer on an A-side of a seat cushion
  • FIG. 1C Cross section through a second seat of a vehicle according to Fig. 1A with a climatization device according to the present invention and an air distribution layer on an B-side of a seat cushion
  • FIG. 2A heating device of a seat of Fig. 1 B+C with partly removed heating device
  • Fig. 2B Enlarged detail B of a carrier of the heating device of Fig. 2A in top view
  • Fig. 2C Enlarged detail B of a carrier of the heating device of Fig. 2A in longi-tudinal cut
  • Vehicle means a de-vice for transport of persons and/or freight, such as vehicles on land, water, railways and in the air, especially aircraft, ships and automotive vehicles.
  • climate controlled area includes in particular an object that may be affected by at least one climate parameter, meaning that it is subject to control or regulation, in particular one that may be at least for a short time kept at a specific desired value or brought to a desired area and/or kept there on an extended basis. This applies preferentially to such parts of its surface with which a medium can be intentionally brought into con-tact when using the object, or with which a user may at least potentially come into contact when using the object.
  • Controlled area means in particular an object for which there is an underlying means of control or regulation for at least one size.
  • climate parameter contains in particular at least one climatic measurement, for example, temperature, humidity, composition of the air, and/or speed of a liquid cur-rent.
  • Application possibilities are climatized seats or steering wheels, seat coverings, office outfittings, cloth elements for passenger areas, storage containers, fuel hoses, or battery housings, motors, and other functional elements.
  • a climate controlled area 2 is a ventilated zone, in particular in a vehicle 1.
  • the head and shoulder area of a passenger can be supplied with an even stream of air of the desired temperature in order to bal-ance out wind currents during travel.
  • a climate controlled area 2 has at least one pad.
  • Pad means in par-ticular a device for dampening blows and/or distributing local pressure points onto a larger surface.
  • blocks made of polyurethane foam are noted.
  • a climate controlled area 2 has at least one cover 4.
  • cover refers in particular to a flat object that at least in part is arranged on the surface of an object. Examples that are imaginable include airtight or air permeable layers, which contain leather and/or a textile with or without holes and that are arranged on a pad, or skin coverings, that cover over at least a part of the surface of a foam-like material.
  • climatizing de-vice includes in particular an object that is suitable for having an effect on a climate parameter, especially for at least for a snort time to keep it at a specific desired value or brought to a desired area and/or kept there on an extended basis. This permits bringing to a correct temperature, ventilating, humidifying or dehumidifying, and/or adjusting the climate. In particular this is suited for bringing something to the correct temperature or adjusting the climate of a seat for long automobile trips or for prelimi-nary adjustment of the temperature of fuel. It is also imaginable that one might heat the neck area of a passenger in an open vehicle through the outflow of warm air.
  • a climatizing device 30 has at least one ventilating device 31.
  • "Venti-lating device” means in particular a device that can be used for a targeted change of the composition of the air or air currents in particular on a surface or in a room area, such as an on-board climatizing unit, at least partially media with air permeable spacers, spacer fabrics, and/or climatizing inserts. This allows the ventilation of at least one climate controlled area 2, for example, the surface of an object, in particular for dehumidifying or bringing to a correct temperature surfaces for climate controlled areas 2 that are near people or that are touched by people.
  • At least one ventilation device 30 has at least one air moving device 31.
  • Air moving device means a device for moving of air. Examples are air supply devices like fans, especially a radial ventilator as or an onboard air conditioner.
  • a ventilating device 30 it is expeditious for a ventilating device 30 to have at least one air guidance device 8.
  • Air guidance device means in particular a device that can guide the air from an air guidance device to at least one air exchange device or that can guide the air in the opposite direction.
  • this can be a flat, bendable, or creasable channel, which connects an air input opening in a seat with an air output opening, from which the air streams out of the seat onto the shoulder and neck area of a passenger.
  • the air can be warmed or cooled.
  • Such a ventilating device 30 might have a flat ventilation layer, e. g. with mantle layers, which can be arranged on a user-facing A-side of a seat cushion or on B-side of a cushion facing away form the user. If a ventilation layer is arranged on the B-side, the cushion preferably is provided with through-holes in cushion from B-side to A-side. In such an arrangement it is not nec-essary to have an air distribution layer on A-
  • a ventilating device 30 has at least one air distributing layer 12.
  • air distributing layer contains in particular a flat component, which lies in a lon-gitudinal direction along its surface and is air permeable, preferentially in at least 2 directions. This allows a surface distribution of air, which is fed from an air moving device 31 into an air guidance device 8, or the sucking up of air to a surface to be climatized in order to guide it to the air moving device 31 via the air guidance device 8.
  • air guidance device 8 One could imagine, for example, spacer fabrics, dimpled foils, dimpled foam, open-cell foam, or the like.
  • an air guidance device 8 has at least one mantle 14.
  • Mantle refers in particular to a device that covers or encloses the air guidance device or the air dis-tributing layer 12 at least partly. Its purpose is to prevent the air guided within the air guidance device from leaking out of the air guidance device at an undesired location.
  • a mantle 14 be at least partially out of the material that inhib-its the throughflow of air, in particular in areas turned toward users.
  • foils that are not air permeable, a metal plate, a dimpled plastic foil, a foam plate essentially not permeable by air, and stiff plastic profiles.
  • At least one mantle 14 is at least partially made of a material that is air permeable, in particular in areas turned toward users.
  • a material that is air permeable for example, one can imagine textiles, foils with holes, or foam pads with holes.
  • it is made of one or two layers of fleece. It can cover one or both main sur-faces and /or the the edges of the air guiding layer.
  • a mantle 14 and /or a ventilating device 30 has at least one air exchange opening 7.
  • a mantle 14 and /or a ventilating device 30 has a multitude of such air exchange openings 7. They are arranged at positions, where an air exchange between an air distributing layer 12 or an air guidance device 8 and a user are desired. They have an extension of preferably at least 4 mm in diameter. Preferably they have an open cross section of at least 1 cm 2 , peferably at least 2 cm 2 .
  • a climatization device 30 has at least one temperature control de-vice 22.
  • Temperature control device means in particular a device that can be used for a targeted change of the temperature in its environment. Especially suitable for such are heating devices, cooling devices, a Peltier element, a heat conducting pipe, and/or an air moving device, such as a ventilator. It can be especially favorable if the temperature control device 22 is set up for a production unit with direct current and/or a production unit with low voltage, especially for 12 V or 24 V. For example, one can imagine laid-in modules, which are integrated in the padding of an object intended for interior use, such as a seat.
  • a temperature control device 22 have at least one heating device 25.
  • the label “heating device” refers in particular to a device that for the purpose of warming of the environment prepares thermal energy and radiates through conduc- tion, convection, and/or through heat radiation to its environment. This allows a fast working or long lived heating of a user or the heating of an object to be heated, in particular the inner space of a housing. Examples are named as contrivances with at least an electric heat resistor, a flexible textile flat heating element, a heat pump, a Peltier element, a radiator, a conductor, and/or a heating spiral.
  • a heating device 25 it makes sense for a heating device 25 to have at least partially a position that brings with it low thermal insulation against a zone where the temperature is to be controlled. This allows low energy use and rapid effect of the heating. It is imaginable for exam-ple to have positions directly on the underside of a cover, preferentially without inter-mediate padding or shim layers, under a covering layer and under a casing on an interior side of a partition housing, such as in channels or in inlays that are laid into a padded material.
  • a heating device 25 has at least one heat resistor carrier 26.
  • Heat re-sistor carrier means in particular a device for mechanical unloading of a heat resistor and/or for fixing its spatial location.
  • flexible flat objects prefer-entially at least partially made of a textile, fabric, mesh, woven material, fleece, bend-able thermoplasts, stamped or dimpled foil, air permeable material or the controlled area itself. It can also be identical with a mantle 14.
  • a heat resistor carrier 26 has at least partially a width of 1 to 20 cm, in particular 2 to 16 cm, especially 2 to 5 cm, and a length of up to 100 cm, in particular 2 to 15 cm, especially 3 to 6 cm.
  • a heat resistor carrier 26 at least be partially out of material that is good for molding, is not expensive, and/or is capable of thermal conduction.
  • material that is good for molding, is not expensive, and/or is capable of thermal conduction.
  • polymers in particular polyamides, polyesters, polyure-thanes, and polycarbonates.
  • the carrier preferably preferably has a has a mesh quantity of at least 4 meshes per cm 2 , e. g. of about 10 meshes /cm 2 . Its air permeability is preferably larger than 1000, better larger than 2000 l/ (m 2 s) (DIN EN ISO 9237 100Pa 20cm 2 ) .
  • the carrier preferably is at least partly made of fibers 40 (e. g. paper, textile, espe-cially needled fleece or fabric) , which are connected to each other by high-speed/pressure water jets. These water jets cause fibers to be twisted with each other and to felt with each other.
  • the fibers preferably have a length of at least 3 mm, preferably of at least 10 mm. They are preferably at least partly made of PES, PP, viscose or other polymers.
  • the fibers of a heat resistance carrier 26 are felt with and attached to each other without any additional auxiliaries.
  • a fleece /a carrier might contain an adhesive, which e. g. can stiffen or seal the carrier 26 or improve ist tensile strength.
  • adhesive is a melting glue, e. g. of a material that melts, softens or becomes sticky in a temperature range of between 60 and 250 C.
  • ad-hesive is added into the carrier as fibers into the fiber material of the carrier or added as a powder or an accompanying layer. Adhesive on acrylic basis is preferred.
  • the carrier preferably is provided with a multitude of through-holes 55.
  • the through-holes are larger than the typical meshes or pores within a fleece or the carrier. They are created by high-speed/pressure water jets. These water jets cause fibers of the fleece to give way and to twist with each other around the resulting through-hole.
  • the big advantage of this procedure is that the fibers keep their original length. In a con-ventional punching process along the edges of a hole, the fibers are cut or torn. This leads to a lot of shortened fibers remaining in the fleece, having no real support within the tectileany more and leading to undesired dust at the place of their later use.
  • the fibers at the edges of the through-holes have the same av-erage length than at an area of the carrier, which is distant to the through-holes. And the edges are smooth.
  • the carrier is not weakend by removal of material, it further has a much better stability.
  • the through-holes are regularly or randomly distributed all over a carrier. So the air exchange openings of an air guiding device are never covered completely by fleece /by the carrier.
  • the through-holes are created within the carrier before the adhesiveis activated.
  • the process step of making through-holes is integrated into the production of the car-rier /the fleece. That simplifies assembly of heater and ventilation devices. So the production cost are decreased.
  • At least one through-hole measures between 0, 5 mm and 7 mm in diame-ter or in breadth. Preferably that measure is between 1 mm and 4 mm.
  • a heating device 25 has a least one heat resistor 27.
  • heat resistor means in particular a electrical resistor, which during the flow-through of the current serves to give off thermal energy directly or indirectly from warming a climate controlled area 2.
  • one or several conductors can be considered with at least partially insulated individual bundles opposite one another, e. g. , lacquer insu-lated strands with a copper and/or steel part, metal wires, carbon fibers, conductive threads or PCT-material.
  • the heating resistor is arranged on the carrier and fixed at the carrier by seaming, laying, knitting etc.
  • An electrical heater it is especially advantageous, in case the electrical heating de-vice 25, having a flat heat resistor carrier 26 having, a matrix of a plurality of fibers 40, forming a fleece, and a plurality of through-holes 55, further having an electrical resis-tor 27, attached to the heat resistor carrier 26.
  • At least some of the through-holes 55 in the carrier 26 are through-holes for passing air through the carrier 26, are made by providing a local interruption within the matrix of fibers, are made by interrupting the fiber matrix in a way nondestructive for fibers, and have a base area of at least 0, 5 mm 2 .
  • Base area especially means the open cross section perpendicularly to the plain of the carrier. That allows to provide a very air-permeable and cheap heating device. This of cause also reduces the price of a vehicle according to claim 4.
  • a seat has a ventilation layer on the user-oriented A-Side of the seat, it is of advan-tage to have a climatization device 30 for a vehicle seat, having a ventilation device 31, which has an air guiding device 8 with an air guiding layer 12 and a mantle 14, further having a flat electrical heating device 25.
  • the mantle 14 is at least partly made of a heating device 25 according to the previous paragraph. That allows to pro-vide a very air-permeable and cheap climatization device.
  • a seat has a ventilation layer on the B-Side of the seat, facing away form the user-touched surface, it is of advantage to have a vehicle seat having an air exchange opening 7 within a cushion 5 or of a ventilation device 31, having the air exchange opening 7 at least partly covered by an electrical heating device 25.
  • the heating de-vice 25 is a heating device according to second to last paragraph. At least one air exchange opening 7 overlaps with at least two through-holes 55 in the carrier 26 of the electrical heating device 25. .
  • Such a system is cheap and its assembly is easy. If a vehicle has having at least one electrical heating device 25 according to third to last paragraph, this allows a higher comfort and a lower price.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

La présente invention concerne un dispositif de chauffage électrique (25) présentant un support de résistance thermique plat (26) qui possède une matrice constituée d'une pluralité de fibres formant un non-tissé et une pluralité de trous traversants (55), et une résistance électrique (27) qui est fixée au support de résistance thermique (26). Au moins certains des trous traversants (55) dans le support (26) sont utilisés pour faire passer l'air à travers le support (26), sont fabriqués en créant une interruption locale à l'intérieur de la matrice de fibres, sont réalisés en interrompant la matrice de fibres de manière non destructive pour les fibres, et présentent une zone de base d'au moins 0,5 mm 2.
PCT/CN2014/087063 2014-09-22 2014-09-22 Dispositif de chauffage électrique avec support de textile plat WO2016044971A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020177008408A KR20170058380A (ko) 2014-09-22 2014-09-22 편평한 직물 캐리어가 있는 전기 가열 장치
PCT/CN2014/087063 WO2016044971A1 (fr) 2014-09-22 2014-09-22 Dispositif de chauffage électrique avec support de textile plat
CN201510031828.8A CN105857138A (zh) 2014-09-22 2015-01-22 带有扁平纺织品载体的电加热装置
CN201520044718.0U CN204236296U (zh) 2014-09-22 2015-01-22 电加热装置、气候调节装置、车辆座椅和车辆

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/087063 WO2016044971A1 (fr) 2014-09-22 2014-09-22 Dispositif de chauffage électrique avec support de textile plat

Publications (1)

Publication Number Publication Date
WO2016044971A1 true WO2016044971A1 (fr) 2016-03-31

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PCT/CN2014/087063 WO2016044971A1 (fr) 2014-09-22 2014-09-22 Dispositif de chauffage électrique avec support de textile plat

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CN (1) CN105857138A (fr)
WO (1) WO2016044971A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI821573B (zh) * 2020-06-15 2023-11-11 財團法人紡織產業綜合研究所 電熱織物

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0223614A2 (fr) * 1985-11-20 1987-05-27 Uni-Charm Corporation Procédé et appareil de production d'étoffe non-tissée
DE19736951A1 (de) * 1997-08-25 1999-03-04 Titv Greiz Sitzaufbau, insbesondere für Sitze in Kraftfahrzeugen
CN2433880Y (zh) * 2000-06-22 2001-06-13 象山泰鑫健身器材有限公司 一种通风座垫
WO2009049577A1 (fr) * 2007-10-18 2009-04-23 W.E.T. Automotive Systems Ag Dispositif de conduction électrique
CN102104998A (zh) * 2009-12-21 2011-06-22 W.E.T.汽车系统股份公司 电加热装置
CN103171470A (zh) * 2011-12-26 2013-06-26 W.E.T.汽车系统股份公司 空气输送装置
CN203182440U (zh) * 2013-02-01 2013-09-11 叶海青 通风座垫

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013095349A (ja) * 2011-11-04 2013-05-20 Toyota Boshoku Corp 車両用シート
DE102012025156A1 (de) * 2012-12-21 2014-06-26 W.E.T. Automotive Systems Ag Elektrische Heizeinrichtung
CN204236296U (zh) * 2014-09-22 2015-04-01 捷温汽车系统（中国）有限公司 电加热装置、气候调节装置、车辆座椅和车辆

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0223614A2 (fr) * 1985-11-20 1987-05-27 Uni-Charm Corporation Procédé et appareil de production d'étoffe non-tissée
DE19736951A1 (de) * 1997-08-25 1999-03-04 Titv Greiz Sitzaufbau, insbesondere für Sitze in Kraftfahrzeugen
CN2433880Y (zh) * 2000-06-22 2001-06-13 象山泰鑫健身器材有限公司 一种通风座垫
WO2009049577A1 (fr) * 2007-10-18 2009-04-23 W.E.T. Automotive Systems Ag Dispositif de conduction électrique
CN102104998A (zh) * 2009-12-21 2011-06-22 W.E.T.汽车系统股份公司 电加热装置
CN103171470A (zh) * 2011-12-26 2013-06-26 W.E.T.汽车系统股份公司 空气输送装置
CN203182440U (zh) * 2013-02-01 2013-09-11 叶海青 通风座垫

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Publication number Publication date
CN105857138A (zh) 2016-08-17
KR20170058380A (ko) 2017-05-26

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