EP3607569A1 - Bande de conduction électrique isolée électriquement, en particulier pour moteurs électriques et transformateurs - Google Patents

Bande de conduction électrique isolée électriquement, en particulier pour moteurs électriques et transformateurs

Info

Publication number
EP3607569A1
EP3607569A1 EP18715509.8A EP18715509A EP3607569A1 EP 3607569 A1 EP3607569 A1 EP 3607569A1 EP 18715509 A EP18715509 A EP 18715509A EP 3607569 A1 EP3607569 A1 EP 3607569A1
Authority
EP
European Patent Office
Prior art keywords
band
conduction band
adhesive tape
side edge
thickness
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
Application number
EP18715509.8A
Other languages
German (de)
English (en)
Other versions
EP3607569B1 (fr
Inventor
Marcus Walder
Stefan Ziegler
Volker Wandelt
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.)
Alanod GmbH and Co KG
Original Assignee
Alcotec Aluminium Coil Technology GmbH
Alanod GmbH and 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 Alcotec Aluminium Coil Technology GmbH, Alanod GmbH and Co KG filed Critical Alcotec Aluminium Coil Technology GmbH
Publication of EP3607569A1 publication Critical patent/EP3607569A1/fr
Application granted granted Critical
Publication of EP3607569B1 publication Critical patent/EP3607569B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/0009—Details relating to the conductive cores
    • H01B7/0018—Strip or foil conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/25—Magnetic cores made from strips or ribbons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2847—Sheets; Strips

Definitions

  • the present invention relates to an electrically insulated electrical conduction band, in particular for electric motors and transformers, with a band-shaped electrical conductor, which has an upper cover surface and a lower cover surface, two side edge surfaces and each end side end edge surface, and with an electrical insulation, on at least one cover surface of the band is arranged.
  • Such electrical conduction bands are referred to, for example, as electrical sheet or electrical steel and for the production of magnetic circuits for electrical machines, ie cores for dynamos, electric motors,
  • Transformers relays, contactors, reactors, ignition coils, electricity meters and controllable deflection magnets used.
  • Cold rolled strips and sheets of iron-silicon alloys are customary in this case. Since under the influence of variable magnetic fields in a spool of solid material
  • the cores are designed exclusively as lameliATOR and insulated sheets in packages or as wound cut cores.
  • wire enamels are known, which are insulating resin based on synthetic resin, which can be applied as thin as possible, homogeneous, electrically insulating films on copper or aluminum wires.
  • wire enamels such as THEIC-modified polyester imides, polyamides and epoxies, solderable wire enamels made of polyurethane and adhesive coatings, such as. B. of PVB (polyvinyl butyral) and polyamide.
  • the present invention has for its object to provide an electrically insulated electrical conduction band of the type described above, with reduced effort, in particular using a paint for the insulation, can be produced, but has a high electrical insulation effect.
  • the insulation comprises a lacquer layer and a film adhesive tape which is glued to the lower top surface and / or the upper top surface of the band-shaped electrical conductor, at least in each case in an area directly to a
  • the strip edge is in particular laminated before (or alternatively after) the coating with a temperature-stable adhesive tape (for example made of polyimide).
  • a temperature-stable adhesive tape for example made of polyimide.
  • FIG. 1 shows a diagrammatic representation of a conduction band according to the invention.
  • FIGS. 2 to 7 show variants of the conduction band according to the invention.
  • the conduction band 1 according to the invention shown in FIG. 1 comprises a band-shaped electrical conductor 2, which has an upper cover surface 2a and a lower cover surface 2b, two side edge surfaces 2c and at each end an end edge surface (not shown). Furthermore, this includes
  • inventive conduction band 1 an electrical insulation 3, the on
  • At least one side of the tape 1 - in the illustrated embodiment on both the lower deck surface 2b and on the upper deck surface 2a - is applied.
  • the insulation comprises a lacquer layer 3a and an adhesive tape 3b, in particular a film adhesive tape, which consists of plastic and that on the lower
  • Cover surface 2b and / or the upper cover surface 2a of the band-shaped electrical conductor 2 is glued, at least in each case in an area 4, which is immediately adjacent to a side edge surface 2c.
  • the adhesive tape 3b has a projection 5 with respect to the side edge surface 2c of the band-shaped electrical conductor 1, whereby leakage currents can be prevented.
  • the supernatant 5 may preferably have a length L in the range 0 cm ⁇ L ⁇ 5 cm.
  • the band-shaped electrical conductor 2 may in particular consist of aluminum or of an aluminum alloy and preferably have a thickness D in the range of 0.1 mm to 1, 5 mm.
  • the lacquer of the lacquer layer 3a which by immersion, as by a
  • the lacquer layer 3a can be formed from a lacquer based on organic polymers, such as an acrylic, epoxy, polyester, polyamide or fluoropolymer lacquer, or on the basis of sol-gel compositions, in particular a wire enamel, such as a TH E IC mod ifimited polyester imide. It may preferably have a thickness DL in the range from 5 ⁇ m to 50 ⁇ m. As shown, in the
  • this thickness DL also be smaller, in particular, so that a flat surface 0 of the insulation 3 is formed.
  • the adhesive tape 3b may preferably have a thickness DK in the range from 3 ⁇ m to 20 ⁇ m, wherein this thickness DK may preferably be at least half the thickness DL of the paint layer 3a in the region where no adhesive tape 3b is located.
  • the region 4 immediately adjacent to the side edge surface 2c of the tape-shaped electrical conductor 2 may have a width B in the range of 0.2 cm to 4.5 cm, preferably in the range of 0.5 to 1.5 cm.
  • FIGS. 2 to 7 show further embodiments.
  • FIG. 3 shows an alternative to FIG. 3, in which the top surface 2b and the side edge surface 2c each have no electrical insulation and in particular no lacquer layer 3a.
  • the adhesive tape 3b is glued C-shaped starting from the two cover surfaces 2a, 2b around the side edge surface 2c with a cover portion 3c.
  • the lacquer layer 3a ends meniscus-like on the adhesive tape 3a before the start of the cover section 3c.
  • FIG. 6 shows an alternative to FIG. 3.
  • the lacquer layer 3a is applied only on one side on the upper cover surface 2a and on the adhesive tape 3b up to the beginning of the cover section 3c.
  • FIG. 7 shows a variant of FIG. 5.
  • the electrical conductor 2 has a reduced strip thickness Di in the region in front of its side edge surface 2 c in comparison to FIG.
  • the lacquer layer 3a extends continuously up to the cover section 3c.
  • the embodiment shows only one way of lamination with the tape 3b.
  • Adhesive strips 3b are placed around the edge surface 2c, or the varnish layer 3a could be under the adhesive tape 3b.
  • the invention is not limited to the combination of features defined in claim 1, but may also be defined by any other combination of particular features of all individually disclosed features. This means that in principle virtually every single feature of claim 1 omitted or by at least one elsewhere in the application revealed unique feature! can be replaced. In this respect, the claims are to be understood merely as a first formulation attempt for an invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Insulated Conductors (AREA)
  • Organic Insulating Materials (AREA)
  • Laminated Bodies (AREA)
  • Adhesive Tapes (AREA)

Abstract

La présente invention concerne une bande de conduction électrique (1) isolée électriquement, en particulier pour des moteurs électriques et des transformateurs, pourvue d'un conducteur électrique en forme de bande (2) qui comporte une surface de revêtement supérieure (2a) et une surface de revêtement inférieure (2b), deux surfaces de bords latéraux (2c) et une surface avant respective aux extrémités, et pourvue d'une isolation électrique (3) qui est agencée sur au moins une surface de revêtement de la bande (2a, 2b). L'isolation (3) comporte une couche de vernis (3a) ainsi qu'une bande adhésive (3b) qui est collée sur la surface de revêtement inférieure (2b) et/ou sur la surface de revêtement supérieure (2a) du conducteur électrique en forme de bande (2), et même au moins dans une zone (4) respective qui est directement adjacente à une surface de bords latéraux (2c).
EP18715509.8A 2017-04-05 2018-03-19 Ruban électrique conducteur électriquement isolé, en particulier pour des moteurs électriques et des transformateurs Active EP3607569B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017107328.0A DE102017107328A1 (de) 2017-04-05 2017-04-05 Elektroisoliertes elektrisches Leiterband, insbesondere für Elektromotoren und Transformatoren
PCT/EP2018/056831 WO2018184823A1 (fr) 2017-04-05 2018-03-19 Bande de conduction électrique isolée électriquement, en particulier pour moteurs électriques et transformateurs

Publications (2)

Publication Number Publication Date
EP3607569A1 true EP3607569A1 (fr) 2020-02-12
EP3607569B1 EP3607569B1 (fr) 2022-09-07

Family

ID=61899173

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18715509.8A Active EP3607569B1 (fr) 2017-04-05 2018-03-19 Ruban électrique conducteur électriquement isolé, en particulier pour des moteurs électriques et des transformateurs

Country Status (6)

Country Link
US (1) US10957464B2 (fr)
EP (1) EP3607569B1 (fr)
DE (1) DE102017107328A1 (fr)
ES (1) ES2931531T3 (fr)
PL (1) PL3607569T3 (fr)
WO (1) WO2018184823A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202018105660U1 (de) * 2018-10-02 2020-01-07 Alanod Gmbh & Co. Kg Elektroisoliertes elektrisches Leitungsband, insbesondere für Elektromotoren und Transformatoren

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB900519A (en) * 1957-07-08 1962-07-04 Eisler Paul Electric conductor strips
DE1765866A1 (de) * 1968-07-30 1971-10-28 Felten & Guilleaume Carlswerk Isolierter elektrischer Bandleiter,insbesondere lackisolierter Bandleiter
FR2474397A1 (fr) * 1979-12-13 1981-07-31 Magna Ply Cy Structure allongee et revetue, methode et dispositif pour revetir en spirale, une ame allongee, d'un moyen de revetement en bande
US5281488A (en) * 1992-09-15 1994-01-25 Poulsen Peder Ulrik Foil strip conductor
BR0215375B1 (pt) * 2001-12-29 2011-02-08 conduto rìgido de transporte de hidrocarbonetos.
JP4475470B2 (ja) * 2007-04-05 2010-06-09 三菱電機株式会社 回転電機のコイル部の絶縁構造
CN101894620A (zh) * 2010-07-28 2010-11-24 江苏豪威富电气股份有限公司 结构改进的自粘性云母带绕包线
JP5892337B2 (ja) * 2012-11-01 2016-03-23 株式会社オートネットワーク技術研究所 リアクトル、コンバータ、及び電力変換装置
CN104851576A (zh) * 2014-02-17 2015-08-19 伊顿公司 一种电感线圈及电磁器件
WO2015130692A2 (fr) * 2014-02-25 2015-09-03 Essex Group, Inc. Fil d'enroulement isolé contenant des couches semi-conductrices
JP2016103398A (ja) * 2014-11-28 2016-06-02 住友電気工業株式会社 シールドケーブル
DE102014119720A1 (de) * 2014-12-30 2016-06-30 Lisa Dräxlmaier GmbH Isolierter Flachleiter und Flachleiterverbund

Also Published As

Publication number Publication date
DE102017107328A1 (de) 2018-10-11
EP3607569B1 (fr) 2022-09-07
US20200118707A1 (en) 2020-04-16
PL3607569T3 (pl) 2023-02-20
ES2931531T3 (es) 2022-12-30
US10957464B2 (en) 2021-03-23
WO2018184823A1 (fr) 2018-10-11

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