WO2015139675A1 - Conducteur électrique comprenant une isolation thermiquement conductrice - Google Patents

Conducteur électrique comprenant une isolation thermiquement conductrice Download PDF

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Publication number
WO2015139675A1
WO2015139675A1 PCT/DE2014/200721 DE2014200721W WO2015139675A1 WO 2015139675 A1 WO2015139675 A1 WO 2015139675A1 DE 2014200721 W DE2014200721 W DE 2014200721W WO 2015139675 A1 WO2015139675 A1 WO 2015139675A1
Authority
WO
WIPO (PCT)
Prior art keywords
insulation
electrical conductor
conductor
electrical
thermally
Prior art date
Application number
PCT/DE2014/200721
Other languages
German (de)
English (en)
Inventor
Christian KÜHHIRT
Roland Müller
Thomas Schencke
Original Assignee
Schaeffler Technologies AG & Co. KG
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 Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Publication of WO2015139675A1 publication Critical patent/WO2015139675A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/002—Inhomogeneous material in general

Definitions

  • the present invention relates to an electrical conductor having an insulation applied to its surface and to a method of making the same.
  • the invention further relates to a winding of a coil, which is wound from such an electrical conductor
  • This varnish can be applied to the conductor in several layers in a so-called continuous process.
  • the varnish is aimed, among other things, at the requirements of the thermal, electrical and mechanical parameters which correspond to the relevant known standards CIEC 60317, NEMA M 1000, JIC C 3202 Polishes are ISS, Pelysol 1:80, Esiersei 180, Amide Ester 200 and Amide Ester 210.
  • the paints mentioned are based inter alia on modified polyurethanes * Pol esterimides and polyamideimides.
  • the required Laeksobiehtdieke can also be taken from said standards, it depends mainly on the required electrical Isolaflonsgrad and the Lelterabmessert
  • additional Laeksehlehten can be applied, in contrast, modified polyurethanes and polyethers are used.
  • desedie érie te are known as ⁇ vereoaL wires
  • EP 1 079 504 B1 shows a process for impregnating a winding with resin. After damaging the winding with thermosetting resin, the resin becomes Winding into a volatile solution containing borol tride particles
  • the ionization coil of the winding acts as a wimabamere and hinders the heat generated during operation
  • the electrical conductor according to the invention has an insulation applied to its surface.
  • the insulation contains a thermally conductive filling material, but its electrical conductivity is not significantly higher than that of the surrounding insulating material,
  • An essential advantage of the invention of the electrical conductor is that, by using a thermally conductive filling material integrated in the insulation, the heat higher of the insulation will be interrupted.
  • the Electrical and Mechanical Properties of the insulation remain largely anti-veiled or even improved with respect to the electrical insulation effect. In this way, heat from the inside of the conductor can be transported much better to the outside.
  • the heat arising in the interior of the coil can be easily transported outwards, or the outside temperature ranges can be dissipated.
  • the gleich® applies to a tempera sink inside a coil, where the heat can 'be transported ÜThe coil inwards Hesser. H erdurc lower Temperatyrgradienten over the coil and thus also in a, such a coil having oto ode a comparable electromechanical component. At constant boundary conditions, the mechanical performance of such components using a low-voltage electrical conductor can be increased and the thermal load on the components can be reduced.
  • the insulation consists of at least one Laeksohlchi A realized as Laekschieht isolation can be kept relatively thin.
  • the Laeksehiehf is excused in this case, Indians the electrical conductor by an appropriate bath with liquid paint drawn w! Rd> If necessary, this process can be repeated several times, so know this way several layers of paint on the electrical conductor to be applied.
  • At least one of these paint rails has a thermally flexible filling material.
  • Particular preference is given to embodiments in which all taeksebiehten a thermally conductive FülL maferiä! aut und. In this way, no heat barrier, resulting in good heat: can be removed from the conductor.
  • the laevy sheets comprise a polyester polymer.
  • the thermoplastic polymer is preferably a modified polydimethyl polyester or polyurethane. These polymers have been used for a long time for isolation of fresh linen. far e nges decisive! They are characterized by their good verarheiharkeif and can be produced cost-effectively.
  • the electrical conductor can also be provided with a plastic sleeve, which in turn is thermally well integrated with an iron-filled filling material.
  • the integrated filler also improves the thermal conductivity of the insulation in this embodiment.
  • the tail aferiai possesses an electrical conductivity approximately equal to the conductivity of the insulating material, most preferably Is the conductivity even smaller than dla of the insulating paint.
  • the planteleitfählg- wedge of Grephos is instead appreciably higher than the thermal conductivity of Isolaflonsmatehais, for example by a factor of 2 ice 10.
  • Shetirungelomi is the thermally fillable Brown.
  • Bomltrid there should be no restriction on the use of Bomltrid.
  • Other suitable thermally conductive fetal materials are of course possible.
  • the filler material may be incorporated into the teolating material in the form of garment, fibers, powders or the like, as is generally known in fillers used in plastics.
  • the filler can be completely enclosed by the insulation material or preferably at least on one surface of the insulation be minimally covered by the Isotatlonsmatarial.
  • the grain size of the Grematahals so genicii that it corresponds approximately to the thickness of the produced fsolaflonssehiehf
  • the electrical conductor can have any cross-sectional shape. For example, it can be round or profiled. However, also irregular cross-sections are possible.
  • the electrical conductor can preferably be used for producing a winding of a coil, but in this case a good heat-aging is important for reducing the thermal load. It is intended However, in the field of electrical insulation, the production of coil corrugations is suitable for use in many applications in which electrically conductive objects are repelled with an electrically insulating slide. At the same time, the layer must have a high heat-releasability.
  • edindyngsgemaSe method for manufacturing an electrical conductor with a thermally conductive insulating characterized see characterized aes s that on the surface of the conductor insulation is applied with a thermally leitfihigen filler material, as thermally White follniafehai is preferably coated with boron nitride.
  • the figure shows a Qyersobniftsdarsfeliyog a ebiodyogsgemi touch eiektnechen conductor 01
  • the electrical Leite 01 is preferably made of a highly electrically conductive metal such as copper. Other electrically conductive ysfenals are of course equally moglieh.
  • the electrical conductor 01 has ⁇ Ine Isolation 02 :.
  • the insulation 02 may consist of one or more Laeksehichten. Alternatively, the insulation 02 may be made of a plastic or rubber jacket. Dia insulation 02 has a thermally lettable filling material such as Bernlirid.
  • the thermal barrier of the insulation 02 is interrupted without interrupting its electrical and mechanical action.
  • the antenna line through the insulation 02 is shown by means of an arrow.
  • the electronic conductor 01 has an irregular cross section in the example of the illustration shown, but it can also have any other arbitrary cross section. a lecturer's headset

Landscapes

  • Organic Insulating Materials (AREA)
  • Insulating Of Coils (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

L'invention concerne un conducteur électrique (01) comprenant une isolation (02) placée sur sa surface. L'invention concerne également un procédé servant à fabriquer un conducteur électrique (01). Le conducteur électrique selon l'invention est caractérisé en particulier en ce que l'isolation (01) comporte un matériau de remplissage thermiquement conducteur.
PCT/DE2014/200721 2014-03-19 2014-12-16 Conducteur électrique comprenant une isolation thermiquement conductrice WO2015139675A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014205069.3A DE102014205069A1 (de) 2014-03-19 2014-03-19 Elektrischer Leiter mit einer thermisch leitfähigen Isolation
DE102014205069.3 2014-03-19

Publications (1)

Publication Number Publication Date
WO2015139675A1 true WO2015139675A1 (fr) 2015-09-24

Family

ID=52354655

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2014/200721 WO2015139675A1 (fr) 2014-03-19 2014-12-16 Conducteur électrique comprenant une isolation thermiquement conductrice

Country Status (2)

Country Link
DE (1) DE102014205069A1 (fr)
WO (1) WO2015139675A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999033156A1 (fr) * 1997-12-19 1999-07-01 Minnesota Mining And Manufacturing Company Stator, rotor et transformateur amortis interieurement et leur procede de production
US20050208301A1 (en) * 2002-07-04 2005-09-22 Tetsushi Okamoto Highly heat conductive insulating member, method of manufacturing the same and electromagnetic device
EP1079504B1 (fr) 1999-08-26 2007-10-31 Honda Giken Kogyo Kabushiki Kaisha Procédé d'imprégnation d'une bobine comportant deux étapes séparées d'incorporation de particules et d'imprégnation
DE102012000121A1 (de) 2011-01-14 2012-07-19 Lothar Ginzel Vorrichtung zur Verbesserung der elekrischen Eigenschaften einer Beschichtung eines Leiters oder dergleichen durch Isolierstoffe, sowie ein Verfahren zur Anwendung einer derartigen Vorrichtung
WO2012114309A1 (fr) * 2011-02-25 2012-08-30 Sabic Innovative Plastics Ip B.V. Compositions polymères thermoconductrices et électriquement isolantes contenant une charge faiblement thermoconductrice et leurs utilisations
DE202012104118U1 (de) 2012-01-19 2012-11-13 Richard Stenzhorn GmbH Gezogener Draht mit Isolierung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999033156A1 (fr) * 1997-12-19 1999-07-01 Minnesota Mining And Manufacturing Company Stator, rotor et transformateur amortis interieurement et leur procede de production
EP1079504B1 (fr) 1999-08-26 2007-10-31 Honda Giken Kogyo Kabushiki Kaisha Procédé d'imprégnation d'une bobine comportant deux étapes séparées d'incorporation de particules et d'imprégnation
US20050208301A1 (en) * 2002-07-04 2005-09-22 Tetsushi Okamoto Highly heat conductive insulating member, method of manufacturing the same and electromagnetic device
DE102012000121A1 (de) 2011-01-14 2012-07-19 Lothar Ginzel Vorrichtung zur Verbesserung der elekrischen Eigenschaften einer Beschichtung eines Leiters oder dergleichen durch Isolierstoffe, sowie ein Verfahren zur Anwendung einer derartigen Vorrichtung
WO2012114309A1 (fr) * 2011-02-25 2012-08-30 Sabic Innovative Plastics Ip B.V. Compositions polymères thermoconductrices et électriquement isolantes contenant une charge faiblement thermoconductrice et leurs utilisations
DE202012104118U1 (de) 2012-01-19 2012-11-13 Richard Stenzhorn GmbH Gezogener Draht mit Isolierung

Also Published As

Publication number Publication date
DE102014205069A1 (de) 2015-09-24

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