EP1965606B1 - Elektrischer Leiter und Verfahren zur Herstellung eines elektrischen Leiters - Google Patents

Elektrischer Leiter und Verfahren zur Herstellung eines elektrischen Leiters Download PDF

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Publication number
EP1965606B1
EP1965606B1 EP08001300.6A EP08001300A EP1965606B1 EP 1965606 B1 EP1965606 B1 EP 1965606B1 EP 08001300 A EP08001300 A EP 08001300A EP 1965606 B1 EP1965606 B1 EP 1965606B1
Authority
EP
European Patent Office
Prior art keywords
fiber composite
conductor
carbon
electrical conductor
geometry
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.)
Active
Application number
EP08001300.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1965606A1 (de
Inventor
Stefan Schneweis
Ralf Gaertner
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.)
Schunk Kohlenstofftechnik GmbH
Original Assignee
Schunk Kohlenstofftechnik GmbH
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 Schunk Kohlenstofftechnik GmbH filed Critical Schunk Kohlenstofftechnik GmbH
Priority to SI200831854T priority Critical patent/SI1965606T1/sl
Priority to PL08001300T priority patent/PL1965606T3/pl
Publication of EP1965606A1 publication Critical patent/EP1965606A1/de
Application granted granted Critical
Publication of EP1965606B1 publication Critical patent/EP1965606B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H05B3/145—Carbon only, e.g. carbon black, graphite
    • 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
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/54—Heating elements having the shape of rods or tubes flexible
    • H05B3/56—Heating cables
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing

Definitions

  • the present invention relates to an electrical conductor, in particular heating conductor, with a supporting structure and an electrically conductive conductive material, wherein the supporting structure is formed from a fiber composite, and the conductive material consists of a carbon material adhering to the fiber composite. Furthermore, the invention relates to a method for producing an electrical conductor, in particular a heat conductor, with provision of a support structure made of a strand-like fiber composite, arrangement of the support structure according to a desired conductor geometry and fixation of the conductor geometry by means of a deposited on the fiber composite carbon material.
  • the present invention is therefore based on the object to propose an electrical conductor or a method for producing an electrical conductor, which enables the production of even spatially complex conductor structures or conductor arrangements in a particularly simple manner.
  • the electrical conductor has a support structure and an electrically conductive conductive material, wherein the support structure is formed from a fiber composite, and the conductive material consists of a carbon material adhering to the fiber composite.
  • the inventive construction of the electrical conductor thus enables the production of the conductor based on a fiber composite, which serves as a support structure, and with respect to the desired conductor geometry of the conductor is easily deformable or can be arranged. Since the conductive material consists of a carbon material, it is not necessary for the fiber composite serving as the supporting structure to have electrically conductive properties. Rather, the electrical conductivity properties can be taken over only by the conductive material, which adheres to the fiber composite.
  • the fiber composite of the support structure or the fiber composite forming fibers are electrically conductive, such as carbon fibers.
  • the conductive material not only serves to realize the electrical control function, but also serves to stabilize or fix the fiber composite in the desired, the geometry of the finished conductor defining arrangement.
  • the conductive material consists of pyrolytically deposited carbon on the fiber composite, since the sublimate deposited from the gas phase on the fiber composite ensures uniform coating of the fiber composite.
  • a deposition on the fiber composite is to be produced which has a comparatively thin layer thickness, then it is advantageous to provide a deposition produced on the fiber composite by using a CVI (chemical vapor infiltration) method. Moreover, corresponding conductors which have deposited on the fiber composite by means of a CVI method have a comparatively increased penetration of the fiber composite with the vapor deposited carbon so that such conductors have increased flexural strength.
  • CVI chemical vapor infiltration
  • the electrical conductor according to the invention may also comprise a conductive material made of carbonized carbon material, so that, if required, the electrical conductor according to the invention can also be produced in an alternative manufacturing method. It is particularly advantageous in this context if the conductive material is formed from glassy carbon, which can be produced in a manner known per se particularly simply by carbonization of a resin applied to the fiber composite, in particular phenolic resin.
  • the conductor according to the invention does not necessarily have to have a fiber composite with conductive properties as a supporting structure, it can prove advantageous, for example for setting a desired total electrical resistance of the conductor, the fiber composite of electrically conductive fibers, in particular carbon fibers, manufacture.
  • the carbon coating is provided with a further coating of silicon carbide, for example in a pyrolysis process, e.g. CVD, can be applied.
  • a pyrolysis process e.g. CVD
  • the additional silicon carbide coating on the one hand creates a particularly dense, hard surface, on the other hand, a special oxidation protection is realized.
  • the method according to the invention for producing an electrical conductor comprises the method steps of providing a support structure of a strand-shaped fiber composite, arranging the support structure according to the desired conductor geometry and shape fixing the conductor geometry by means of a carbon material applied to the fiber composite.
  • a preferred possibility of applying the carbon material to the support structure is to deposit carbon pyrolytically on the fiber composite.
  • a further advantageous possibility for applying the carbon material is to apply a carbonaceous, in particular organic, substance to the fiber composite and subsequently to carbonize it.
  • a heating conductor which has a coating of glassy carbon on the outside, in particular if a resin is used as the carbonaceous substance.
  • FIG. 1 illustrated flow diagram for producing a heat conductor 10 ( Fig. 3 ) describes the production of the heating conductor 10 based on a strand-shaped fiber composite 11, the in Fig. 2 is shown and arranged to define a spatial arrangement or conductor geometry 13 on a shaped body 12.
  • the strand-shaped fiber composite 11 in the present case consists of a braided hose made of carbon fibers, the hose wall of which is formed like a strand.
  • Such braided hoses are used as a standard semi-finished in the carbon fiber technology.
  • a fiber composite as a starting base for the production of the heat conductor 10, which consists of non-conductive fibers, for example of aluminum oxide.
  • the circumference of the shaped body 12 correspondingly formed conductor geometry 13 can be arranged in a simple manner, for example by fixing only of ends 14, 15 of the fiber composite 11 on the molded body 12 defined.
  • a deposition of carbon from a gas phase onto the fiber composite 11 during the arrangement of the fiber composite 11 on the shaped body 12 takes place according to a preferred variant of the method ,
  • the deposition is from a methane phase in a vacuum under conditions which allow for so-called chemical vapor infiltration (CVI) in which Course of the carbon from the gas phase sublimated not only on the surface of the fiber composite, but rather penetrates the fiber composite and provides for a connection of fibers 19 with each other in the fiber composite 11, such as in Fig. 4 shown.
  • CVI chemical vapor infiltration
  • a bridge formation 20 between the fibers 19 results in a high degree of stiffening of the fiber composite 11.
  • the final product can already be achieved after the above-described shape fixation by means of the CVI method.
  • a second carbon deposition can be applied.
  • the CVD method can preferably be used, since a penetration of the fiber composite 11 with carbon has already been achieved by means of the CVI method, and so an accelerated layer structure can be achieved in the production of the second carbon sublimate.
  • deviating layers such as, for example, TiC, TiN, Al 2 O 3 , ZrO 2 or combinations thereof.
  • the application of these layers can be carried out using the respectively suitable methods, such as, for example, PVD, immersion in flowable, fluid or paste-like coating materials, plasma spraying, etc.

Landscapes

  • Resistance Heating (AREA)
  • Chemical Vapour Deposition (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
EP08001300.6A 2007-02-06 2008-01-24 Elektrischer Leiter und Verfahren zur Herstellung eines elektrischen Leiters Active EP1965606B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200831854T SI1965606T1 (sl) 2007-02-06 2008-01-24 Električni vodnik in postopek za izdelavo električnega vodnika
PL08001300T PL1965606T3 (pl) 2007-02-06 2008-01-24 Przewód elektryczny i sposób wytwarzania przewodu elektrycznego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007006624A DE102007006624A1 (de) 2007-02-06 2007-02-06 Elektrischer Leiter und Verfahren zur Herstellung eines elektrischen Leiters

Publications (2)

Publication Number Publication Date
EP1965606A1 EP1965606A1 (de) 2008-09-03
EP1965606B1 true EP1965606B1 (de) 2017-05-31

Family

ID=39587386

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08001300.6A Active EP1965606B1 (de) 2007-02-06 2008-01-24 Elektrischer Leiter und Verfahren zur Herstellung eines elektrischen Leiters

Country Status (10)

Country Link
US (1) US20110168431A1 (sl)
EP (1) EP1965606B1 (sl)
DE (1) DE102007006624A1 (sl)
DK (1) DK1965606T3 (sl)
ES (1) ES2638788T3 (sl)
HU (1) HUE035995T2 (sl)
PL (1) PL1965606T3 (sl)
PT (1) PT1965606T (sl)
RU (1) RU2441292C2 (sl)
SI (1) SI1965606T1 (sl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0914502D0 (en) 2009-08-19 2009-09-30 Rolls Royce Plc Electrical conductor paths
DE102012025299A1 (de) * 2012-12-28 2014-07-03 Helmut Haimerl Heizstrahler mit Heizrohrelement
RU182336U1 (ru) * 2017-12-01 2018-08-16 Иван Геннадьевич Бевзенко Углеродный питающий кабель

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941176A (en) * 1959-01-27 1960-06-14 Gen Electric Heater wire
US4309597A (en) * 1980-05-19 1982-01-05 Sunbeam Corporation Blanket wire utilizing positive temperature coefficient resistance heater
EP0125913A2 (en) * 1983-05-11 1984-11-21 Matsushita Electric Industrial Co., Ltd. Flexible heating wire

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3788893A (en) * 1968-03-21 1974-01-29 Gen Electric Coated filaments
DE2305105B2 (de) * 1973-02-02 1978-05-03 Sigri Elektrographit Gmbh, 8901 Meitingen Poröses Heizelement
DE3426911A1 (de) * 1984-07-20 1986-01-30 United Technologies Corp., Hartford, Conn. Kohlenstoff-kohlenstoff-verbundgegenstand mit hoher bestaendigkeit gegen einen abbau durch umgebungseinwirkung bei erhoehten temperaturen
DE3922539A1 (de) * 1989-07-08 1991-01-10 Sintec Keramik Gmbh Verfahren zur herstellung von hochpraezisen heizelementen aus c f c
DE3933039A1 (de) * 1989-10-04 1991-04-18 Sintec Keramik Gmbh Verfahren zur herstellung von oxidationsgeschuetzten cfc-formkoerpern
DE4142261A1 (de) * 1991-12-20 1993-06-24 Man Technologie Gmbh Verfahren und vorrichtung zur herstellung von verbundbauteilen
US5389400A (en) * 1993-04-07 1995-02-14 Applied Sciences, Inc. Method for making a diamond/carbon/carbon composite useful as an integral dielectric heat sink
GB2278722A (en) * 1993-05-21 1994-12-07 Ea Tech Ltd Improvements relating to infra-red radiation sources
DE4335573C2 (de) * 1993-10-19 2002-10-17 Eberhard Kohl Vorrichtung zur Durchführung einer CVD-Beschichtung
FR2711646B1 (fr) * 1993-10-27 1996-02-09 Europ Propulsion Procédé d'infiltration chimique en phase vapeur d'une matrice pyrocarbone au sein d'un substrat poreux avec établissement d'un gradient de température dans le substrat.
US6726962B1 (en) * 1998-12-18 2004-04-27 Messier-Bugatti Inc. Method for forming composite articles
US6699427B2 (en) * 2002-07-26 2004-03-02 Ucar Carbon Company Inc. Manufacture of carbon/carbon composites by hot pressing
JP2007502708A (ja) * 2003-05-16 2007-02-15 ブルー メンブレーンス ゲーエムベーハー カーボンベース物質による基材の被覆方法
FR2869609B1 (fr) * 2004-05-03 2006-07-28 Snecma Propulsion Solide Sa Procede de fabrication d'une piece en materiau composite thermostructural

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941176A (en) * 1959-01-27 1960-06-14 Gen Electric Heater wire
US4309597A (en) * 1980-05-19 1982-01-05 Sunbeam Corporation Blanket wire utilizing positive temperature coefficient resistance heater
EP0125913A2 (en) * 1983-05-11 1984-11-21 Matsushita Electric Industrial Co., Ltd. Flexible heating wire

Also Published As

Publication number Publication date
US20110168431A1 (en) 2011-07-14
DE102007006624A1 (de) 2008-08-07
DK1965606T3 (en) 2017-09-11
PL1965606T3 (pl) 2017-11-30
PT1965606T (pt) 2017-09-01
RU2008103610A (ru) 2009-08-10
EP1965606A1 (de) 2008-09-03
ES2638788T3 (es) 2017-10-24
RU2441292C2 (ru) 2012-01-27
HUE035995T2 (hu) 2018-06-28
SI1965606T1 (sl) 2017-10-30

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