DE102013020207A1 - Pull-through barrier for fixing / fixing strips or bands to bars. - Google Patents

Pull-through barrier for fixing / fixing strips or bands to bars. Download PDF

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Publication number
DE102013020207A1
DE102013020207A1 DE102013020207.8A DE102013020207A DE102013020207A1 DE 102013020207 A1 DE102013020207 A1 DE 102013020207A1 DE 102013020207 A DE102013020207 A DE 102013020207A DE 102013020207 A1 DE102013020207 A1 DE 102013020207A1
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Prior art keywords
attachment
pull
barrier
insulating
bars
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DE102013020207.8A
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DE102013020207B4 (en
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Anmelder Gleich
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Ems Fvk Profile De GmbH
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/06—Insulation of windings
    • 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
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/322—Insulating of coils, windings, or parts thereof the insulation forming channels for circulation of the fluid
    • 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
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
    • 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
    • H01F41/12—Insulating of windings
    • H01F41/125—Other insulating structures; Insulating between coil and core, between different winding sections, around the coil

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Insulating Of Coils (AREA)

Abstract

Aufgabe & Ziel. Bei der Herstellung von Isoliermatten für Beispielsweise Transformatoren werden Isolierstreifen und Isolierstäbe mittels mehrerer Einzelverbindungen zu einem Geflächt verbunden. Dabei ist bei jeder Einzelverbindung/Befestigung von Stab & Isoliermaterial eine hohe Anforderung, wie Festigkeit, Abstand und Position gefordert. Ergänzend überzeugt diese Befestigung/Fixierung durch ihre Einfachheit, was wiederum zu niedrigen Herstellkosten führt. Insbesondere im Vergleich zu anderen bekannten Verfahren wie der Kamm & Konterband Technik, oder aber einer Schweißtechnik. Lösung Die erfundene Durchziehsperre überzeugt insbesondere dadurch, dass die Einzel-Verbindungsform als unverrückbar sowie unlösbar einzuordnen ist. Dieser Vorteile ist insbesondere Wichtig, da bei der anschließenden Herstellung der Matten die Abstände der Stäbe gleichbleibend sowie wiederholgenau mit industriellen Fertigungsverfahren sicher zu stellen ist. Die unverrückbare & unlösbare Befestigung mit dem Namen Durchziehsperre ist für diese Anwendung besonders geeignet. Anwendungsgebiete. Insbesondere im Transformatorenbau kommen sogenannte Leistenmatten, Isolatoren zwischen elektrischen Spulen als Abstandshalter zwischen leitenden Wicklungen zur Anwendung. Die vorgeschlagene Befestigungs-Technik findet hier ihre Anwendung. Bedingt durch die unverrückbare & unlösbare Befestigung (Beidseitige) sowie gleichmäßige Anordnung unter einander kann im Transformator-Anwendungsfall das zum Einsatz kommende Medium (vorzugsweise Öl) strömungsoptimal als Kühlkanal an die Windungen gelangen und die Kühlung optimieren.Task & goal. In the production of insulating mats for example transformers insulating strips and insulating rods are connected by means of several individual connections to a Geflächt. Thereby a high requirement, such as strength, distance and position, is required for each individual connection / attachment of rod & insulation material. In addition, this attachment / fixation convinces by its simplicity, which in turn leads to low production costs. In particular, in comparison to other known methods such as the comb & counter-tape technique, or a welding technique. Solution The invented pull-through barrier convinces in particular by the fact that the single connection form is to be classified as immovable and inseparable. These advantages are particularly important because in the subsequent production of the mats, the distances of the bars is consistent and repeatable with industrial manufacturing processes to ensure. The immovable & unsolvable attachment with the name pull-through barrier is particularly suitable for this application. Application areas. In particular in transformer construction so-called strip mats, insulators between electric coils are used as spacers between conducting windings. The proposed fastening technique finds its application here. Due to the immovable & unsolvable attachment (two-sided) and uniform arrangement with each other in the transformer application case, the medium used (preferably oil) flow optimally reach the windings as a cooling channel and optimize the cooling.

Description

Befestigung und Montage Erfindung am Beispiel: Isolierstreifen mit Isolierstäben an elektrischen Spulen (1), die bei fluidgekühlte Transformatoren zum Einsatz kommen. Bei der Herstellung von Isoliermatten werden Isolierstreifen und Isolierstäbe mittels mehrerer Einzelverbindungen zu einem Geflecht verbunden (2). Dabei ist bei jeder Einzelverbindung/Befestigung von Stab & Isoliermaterial eine hohe Anforderung, wie Festigkeit, Abstand und Position gefordert.Fastening and mounting invention using the example: insulating strips with insulating bars on electric coils ( 1 ), which are used in fluid-cooled transformers. In the production of insulating mats insulating strips and insulating rods are connected by means of several individual connections to a braid ( 2 ). Thereby a high requirement, such as strength, distance and position, is required for each individual connection / attachment of rod & insulation material.

Die erfundene Durchziehsperre überzeugt insbesondere dadurch, dass die Einzel-Verbindungsform als unverrückbar sowie unlösbar einzuordnen ist. Dieser Vorteile ist insbesondere Wichtig, da bei der anschließenden Herstellung der Matten die Abstände der Stäbe gleichbleibend sowie wiederholgenau mit industriellen Fertigungsverfahren sicher zu stellen ist. Die unverrückbare & unlösbare Befestigung mit dem Namen Durchziehsperre ist für diese Anwendung besonders geeignet.The invented pull-through barrier is particularly convincing in that the single connection form is classified as immovable and inseparable. These advantages are particularly important because in the subsequent production of the mats, the distances of the bars is consistent and repeatable with industrial manufacturing processes to ensure. The immovable & unsolvable attachment with the name pull-through barrier is particularly suitable for this application.

Für die Herstellung dieser Befestigung sind nur 3 Arbeitsschritte notwendig, zwei vorgelagerte Arbeitsschritte. a) das schlitzen der Stäbe (3) ein schon bekannter und übernommener Arbeitsgang b) der Konturschnitt (4). Sowie ein Endmontage-Arbeitsgang. Ergänzend überzeugen diese Arbeitsgänge durch ihre Einfachheit, was wiederum zu niedrigen Herstellkosten führt. Insbesondere im Vergleich zu anderen bekannten mechanischen Verfahren wie der Kamm & Konterband Befestigung, oder aber einer Schweißbefestigung.For the production of this attachment only 3 steps are necessary, two upstream operations. a) slitting the bars ( 3 ) an already known and accepted operation b) the contour cut ( 4 ). As well as a final assembly operation. In addition, these operations convince by their simplicity, which in turn leads to low production costs. In particular, in comparison to other known mechanical methods such as the comb & counter-band attachment, or a welding attachment.

Der Kontur-Schnitt wird in das Trägermaterial oder am Beispiel eines Isolierstreifens gestanzt/geschnitten. Die geometrische Kontur oder Form und Auslegung des Freischnittes (Rund, Eckig, Gerade) kann hierbei variieren (4). Angepasst an die zur Anwendung kommenden zu befestigenden Materialien.The contour cut is punched / cut into the carrier material or using the example of an insulating strip. The geometric contour or shape and design of the free cut (round, square, straight line) can vary here ( 4 ). Adapted to the materials to be used.

Insbesondere im Transformatorenbau kommen sogenannte Leistenmatten, Isolatoren zwischen elektrischen Spulen als Abstandshalter zwischen leitenden Wicklungen zur Anwendung. Die vorgeschlagene Befestigungs-Technik findet hier ihre Anwendung. Bedingt durch die unverrückbare & unlösbare Befestigung (Beidseitige) (5) sowie gleichmäßige Anordnung unter einander kann im Transformator-Anwendungsfall das zum Einsatz kommende Medium (vorzugsweise Öl) strömungsoptimal als Kühlkanal an die Windungen gelangen und die Kühlung optimieren.In particular in transformer construction so-called strip mats, insulators between electric coils are used as spacers between conducting windings. The proposed fastening technique finds its application here. Due to the immovable and permanent attachment (two-sided) ( 5 ) and uniform arrangement with each other can be used in the transformer application case, the medium used (preferably oil) optimal flow as a cooling channel to the windings and optimize the cooling.

Besonders wichtig bei der geometrischen Auslegung, dass immer 2 Sperren (links & rechts vom Durchlass) berücksichtigt werden, da nur so die Unverrückbarkeit gewährleitet ist.Particularly important in the geometric design that always 2 locks (left & right of the passage) are taken into account, since only so the immovability is guaranteed.

Claims (2)

Bei der Herstellung von Isoliermatten für gekühlte Transformatoren werden Isolierstreifen und Isolierstäbe zu einem Geflecht verbunden. Dazu werden zurzeit 2 Bänder, ein vorgestanztes Kamm-Band sowie ein Konterband durch einen geschlitzten Isolierstreifen gezogen. Durch einziehen des Konterbandes wird das Kamm-Band festgesetzt. Bei der erfundenen Durchziehsperre wird eine den Stäben angepasste geometrische Kontur (mit oder ohne Vorstanzung und bei der Endmontage) beidseitig verschränkt/verformt. Wodurch die Position und der Abstand zwischen den Stäben eingehalten werden.In the manufacture of insulated mats for cooled transformers, insulating strips and insulating bars are connected to form a mesh. For this purpose, currently 2 bands, a pre-punched comb band and a counter-band are pulled through a slotted insulating strip. By pulling the counter-tape, the comb-band is fixed. In the case of the invented pull-through barrier, a geometrical contour adapted to the bars (with or without pre-punching and during final assembly) is folded / deformed on both sides. Which keeps the position and the distance between the bars. Durchziehsperre nach Patentanspruch 1 Bedingt durch die Verschränkung & Verformung aus dem Streifenmaterial zur vorgegebenen Kontur entsteht zusätzlich eine unverrückt und insbesondere unlösbare Verbindung.Pull-through barrier according to claim 1 Due to the entanglement & deformation of the strip material to the given contour additionally creates a crazy and especially unsolvable connection.
DE102013020207.8A 2013-11-30 2013-11-30 Method of making insulating mats for cooled transformers from insulating bars and insulating strips Active DE102013020207B4 (en)

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DE102013020207.8A DE102013020207B4 (en) 2013-11-30 2013-11-30 Method of making insulating mats for cooled transformers from insulating bars and insulating strips

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DE102013020207.8A DE102013020207B4 (en) 2013-11-30 2013-11-30 Method of making insulating mats for cooled transformers from insulating bars and insulating strips

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DE102013020207B4 DE102013020207B4 (en) 2015-12-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018215434A1 (en) * 2017-05-24 2018-11-29 Isotek Gmbh Spacer strip, transformer winding and transformer and the method for producing a spacer strip

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019125088A1 (en) * 2019-09-18 2021-03-18 Ems Fvk-Profile Gmbh Process for the production of insulating mats
DE102020211703A1 (en) 2020-09-18 2022-03-24 August Krempel Söhne Gmbh & Co. Kg Electrical insulating strip grid

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29513522U1 (en) * 1995-08-11 1995-11-02 ABB Transformatoren GmbH, 53604 Bad Honnef transformer
DE102010060832A1 (en) * 2010-11-26 2012-05-31 Fritz Diel Gmbh & Co. Kg Composite material for use as insulator in spacer of e.g. electrical coil in motor, has core produced from glass-fiber reinforced plastics, and planar meta-aramide fiber layers applied on upper- and lower sides of core

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29513522U1 (en) * 1995-08-11 1995-11-02 ABB Transformatoren GmbH, 53604 Bad Honnef transformer
DE102010060832A1 (en) * 2010-11-26 2012-05-31 Fritz Diel Gmbh & Co. Kg Composite material for use as insulator in spacer of e.g. electrical coil in motor, has core produced from glass-fiber reinforced plastics, and planar meta-aramide fiber layers applied on upper- and lower sides of core

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018215434A1 (en) * 2017-05-24 2018-11-29 Isotek Gmbh Spacer strip, transformer winding and transformer and the method for producing a spacer strip

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Owner name: EMS FVK-PROFILE GMBH, DE

Free format text: FORMER OWNERS: EMS FVK-PROFILE GMBH, 49762 LATHEN, DE; LUECK, HERBERT, 44287 DORTMUND, DE

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Representative=s name: JABBUSCH SIEKMANN & WASILJEFF, DE