EP2491566B1 - Wicklungskörper - Google Patents

Wicklungskörper Download PDF

Info

Publication number
EP2491566B1
EP2491566B1 EP09748245.9A EP09748245A EP2491566B1 EP 2491566 B1 EP2491566 B1 EP 2491566B1 EP 09748245 A EP09748245 A EP 09748245A EP 2491566 B1 EP2491566 B1 EP 2491566B1
Authority
EP
European Patent Office
Prior art keywords
lateral surface
winding body
winding
elements
additional
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.)
Not-in-force
Application number
EP09748245.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2491566A1 (de
Inventor
Karl-Heinz Charwat
Fritz Sorg
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to PL09748245T priority Critical patent/PL2491566T3/pl
Publication of EP2491566A1 publication Critical patent/EP2491566A1/de
Application granted granted Critical
Publication of EP2491566B1 publication Critical patent/EP2491566B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/24—Constructional details adjustable in configuration, e.g. expansible
    • B65H75/242—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages
    • 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
    • H01F41/04—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 for manufacturing coils
    • H01F41/06—Coil winding
    • H01F41/098—Mandrels; Formers

Definitions

  • the invention relates to a winding body having a lateral surface for producing a coil winding, wherein a holding element is arranged on an inner side of the lateral surface and, wherein an overlap of end edges in an overlapping region with a fastening element with respect to the holding element is fixable.
  • Such a winding body is from the US 3,524,604 already known.
  • the winding body shown there serves as a cable drum, wherein on the inside of the cable drum fastening means are provided to hold the hollow cylindrical drum in its shape.
  • a winding body which is used in the manufacture of windings.
  • a winding conductor is wound on the hollow cylindrical winding body and then attached to an outer cylinder wall to complete the mold.
  • the windings are produced by means of a winding of a so-called winding body.
  • the winding body is inserted into a winding machine and defined by the respective diameter of the diameter of the winding to be produced. Since the diameter of the coil winding is a significant electromechanical property of the winding, a wide variety of diameters to comply with high accuracies during the winding process.
  • inner sheaths in particular for high-voltage coils, have conventionally been used, wherein the inner diameter of the inner shells is predetermined by means of a chain tensioning technique.
  • the individual chain links are combined and clamped on the inside of the inner shells, so that they define a predeterminable diameter of the inner shell.
  • the problem here is that, especially for larger diameters due to the dead weight of the coils, the clamping force of the chains are no longer sufficient and thereby can slip the windings, so that they are no longer usable.
  • the disadvantage here is also that an undefined bias is applied by the conventional chain tensioning on the coils, which requires a corresponding retightening after completion of the winding process.
  • the corresponding plastic chain elements must be replaced frequently and regularly due to the large thermal and mechanical stress during the winding process.
  • the object of the present invention is therefore to provide a winding body which provides easy adjustment of an inner diameter of the winding and ensures frequent use in the context of the winding process.
  • a holding element is arranged on an inner side of the lateral surface and the diameter of the lateral surface can be predetermined by an overlap of end edges of the lateral surface, wherein the overlapping of the end edges in an overlapping region with a fastening element can be fixed with respect to the holding element.
  • this winding body As a result, a quick and easy use of this winding body within the production of windings is given in particular for power and distribution transformers. Another advantage of using this winding body is that the winding tension is transmitted or held positively, since - in contrast to the chain tensioning technology - no stresses from the inside of the lateral surface are transmitted to the winding.
  • an additional element can be integrated into the overlapping region.
  • a corresponding overlap region is widened or created, so that even diameters with a larger diameter than the lateral surface are used as the winding body can.
  • the additional element has different dimensions, in particular in the overlapping area, and insofar the overlapping area can be predetermined by the dimensions of the additional element.
  • the additional element has at least one holder for an end edge of the lateral surface in the overlapping region.
  • the holder By the holder a dimensionally stable and yet easy to be solved connection between the additional element and the lateral surface is provided. Furthermore, it is possible to clamp the additional element with the lateral surface by means of the holder and thus to provide an extension of the diameter of the lateral surface and thus of the winding body.
  • the winding body is provided that on the inside of the lateral surface markings / fixations for attachment of the holding element and / or fixing the diameter by means of the fastening element and / or the additional element are applied. Due to the possibility of deforming the lateral surface exactly and precisely with respect to given diameters and radii of the winding body in the context of the production process, the corresponding diameter can be easily and quickly adjusted by means of the markings / fixation by the coordinated and relative attachment of the fastening element relative to the holding element or the introduction the additional element can be ensured relative to the lateral surface.
  • the winding body comprises a plastic or a metal.
  • an additional element made of a plastic or a metal it is possible to suspend the additional element often a thermal and mechanical stress in the context of the winding process, wherein due to the materials nevertheless a long life of the additional element is guaranteed.
  • the additional elements have very different dimensions, so that the diameter the lateral surface can be changed by the insertion of an additional element.
  • different additional elements form a corresponding overlapping area, wherein the additional elements can be arranged laterally or longitudinally relative to one another.
  • the Fig. 1 is a perspective view of the winding body 1 with three additional elements 8a, 8b, 8c and four fasteners 7a, 7b, 7c.
  • the rolled-up lateral surface 2 of the winding body 1 forms an overlap region 6, in which a holding element 4a is arranged.
  • the additional elements 8a, 8b, 8c are connected to the holding element 4a applied on the inside 3 of the lateral surface 2.
  • the arrangement of the additional elements 8a, 8b, 8c relative to the holding element 4a and the fixing of the additional elements 8a, 8b, 8c with the holding element 4a a simple way is provided to vary the inner diameter of the winding body 1 in a wide range.
  • the fastening elements 7a, 7b, 7c are designed so that after a winding process, the fastening elements 7a, 7b, 7c and thus also the additional elements 8a, 8b, 8c can be removed from the inside 3 of the lateral surface 2. Subsequently, this winding body 1 can then be used for a new winding process of a winding.
  • the Fig. 2 shows a sectional view of the additional element 8a with two brackets 9a, 9b.
  • the attachment of the additional element 8a to the end edges 5a, 5b of the lateral surface 2 (not shown) ensures a firm, yet reversible connection with the end edges 5a, 5b of the lateral surface 2.
  • the additional element 8a it is thus possible to define an overlap region 6, the inner diameter of the lateral surface 2 permits, which may be greater than the maximum inner diameter of the lateral surface 2.
  • the additional element 8a has a central shape, which can be arranged accurately to a corresponding holding element 4a (not shown). After completion of the winding process, the additional element 8a can be quickly and easily removed from the lateral surface 2, so that the entire lateral surface 2 can be removed from the interior of the finished winding.
  • the Fig. 3 shows a perspective view of the winding body 1 with two holding elements 4a, 4b and two additional elements 8a, 8b.
  • the additional elements 8a, 8b are arranged between the two holding elements 4a, 4b. Furthermore, an external pressure is exerted on the holding elements 4a, 4b by means of three fastening elements 7a, 7b, 7c.
  • the overlap area 6 can be determined by the width of the additional elements 8a, 8b. For different inner diameters so that different additional elements 8a, 8b can be used with different widths.
  • the Fig. 4 shows a perspective view of the overlap region 6 with screws as fasteners 7a, 7b, 7c, 7d, wherein for reasons of clarity, only the first fasteners have a figure designation. Due to the shape of a slot 10 within the inside 3 of the lateral surface 2, the width of the overlap region 6 and thus the inner diameter of the lateral surface 2 can be specified exactly.
  • the Fig. 6 shows a perspective view of the winding body 1 with two holding elements 4a, 4b and four fasteners 7a, 7b, 7c, 7d.
  • the fastening elements 7a, 7b, 7c, 7d are formed like a hinge and can ensure a stable, yet reversible connection in relation to the retaining elements 4a, 4b.
  • the Fig. 7 shows a partial perspective view of the overlap region 6 with two fastening elements 7a, 7b and two holding elements 4a, 4b.
  • the fastening elements 7a, 7b are formed such that they ensure a corresponding minimum distance between the retaining elements 4a, 4b.
  • the hinge-like shape of the fastening elements 7a, 7b it is possible to remove after the manufacturing process, the fasteners 7a, 7b quickly and easily and thus remove the lateral surface 2 from the interior of the coil produced.
  • the Fig. 8 is a partial perspective view of the overlapping area with screws as fasteners 7a, 7b, 7c, 7d.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Coils Or Transformers For Communication (AREA)
EP09748245.9A 2009-10-21 2009-10-21 Wicklungskörper Not-in-force EP2491566B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09748245T PL2491566T3 (pl) 2009-10-21 2009-10-21 Korpus uzwojenia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/007632 WO2011047704A1 (de) 2009-10-21 2009-10-21 Wicklungskörper

Publications (2)

Publication Number Publication Date
EP2491566A1 EP2491566A1 (de) 2012-08-29
EP2491566B1 true EP2491566B1 (de) 2018-01-17

Family

ID=42304729

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09748245.9A Not-in-force EP2491566B1 (de) 2009-10-21 2009-10-21 Wicklungskörper

Country Status (4)

Country Link
EP (1) EP2491566B1 (es)
ES (1) ES2666201T3 (es)
PL (1) PL2491566T3 (es)
WO (1) WO2011047704A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102963773A (zh) * 2012-12-03 2013-03-13 吴江市鼎佳纺织有限公司 一种纺织用的筒管

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2413091A (en) * 1943-12-07 1946-12-24 Harry C Wolfenden Collapsible and expansible spindle
US2650771A (en) * 1949-05-11 1953-09-01 Kenneth O Marion Wire reeling machine
US3524604A (en) * 1968-12-11 1970-08-18 Metco Inc Knock-down reel
FR2070763A1 (en) * 1969-12-08 1971-09-17 Westinghouse Electric Corp Textile package support -expandible radially by pneumatic - actions
US6155421A (en) * 1998-10-23 2000-12-05 Lincoln Global, Inc. Wire electrode liner
WO2001023167A1 (en) * 1999-09-27 2001-04-05 Abb Power T & D Company Inc. Method of manufacturing a transformer coil with a disposable mandrel and mold
US20030059192A1 (en) * 2001-09-21 2003-03-27 Johnson Christopher P. Apparatus and method for holding coilable elongated product

Also Published As

Publication number Publication date
EP2491566A1 (de) 2012-08-29
ES2666201T3 (es) 2018-05-03
WO2011047704A1 (de) 2011-04-28
PL2491566T3 (pl) 2018-07-31

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