EP0758813A1 - Insulation process of formed coils - Google Patents
Insulation process of formed coils Download PDFInfo
- Publication number
- EP0758813A1 EP0758813A1 EP96112556A EP96112556A EP0758813A1 EP 0758813 A1 EP0758813 A1 EP 0758813A1 EP 96112556 A EP96112556 A EP 96112556A EP 96112556 A EP96112556 A EP 96112556A EP 0758813 A1 EP0758813 A1 EP 0758813A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coils
- machine
- insulating material
- shaped
- coil
- 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
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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
- H01F41/04—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
Definitions
- the invention relates to a method for insulating shaped coils, in which a strip-shaped insulating material is wound around the conductor bundle of the shaped coils by means of an automatic machine.
- the form coils can only be wound by the machine if the form coils have the minimum machining sizes specified by the machine with regard to the width between the coil sides and / or that formed by the coil legs Have spread angle. These minimum machining sizes are 150-170 mm with regard to the coil width and greater than / equal to 90 ° with regard to the spreading angle.
- the installation of the form coils in an electrical machine often requires coil dimensions that are smaller than the minimum sizes specified by the machines.
- the invention is based on the object of specifying a method with which shaped coils can be wound with insulating material by means of a machine independently of the dimensions specified by the installation in an electrical machine.
- the form coils are enlarged in terms of their width and / or their spreading angle formed by the coil legs in accordance with the machining sizes specified by the machine and are deformed after the application of the insulating material so that the for Installation in an electrical machine sets the required width of the coil and / or the required spreading angle.
- the shaped coils can be produced with a coil width and / or a spreading angle, which in each case correspond to the minimum machining sizes of the machine, and can be shaped to the dimensions required for installation in an electrical machine after the insulation process.
- form coils are already available with the dimensions required for installation in an electrical machine, then these form coils can be widened in accordance with the minimum machining sizes specified by the machine before the insulation material is applied.
- the coils are expanded and / or reshaped directly by the machine that winds up the insulating material.
- the specified method creates the possibility of completely winding shaped coils with an insulating tape, regardless of the size of their coil width or their spreading angle. By enlarging the spreading angle, sufficient space is also created for the organ of the machine which carries out the winding process at the offset point on the end face, so that this element can carry out the winding of the offset point. Likewise, by increasing the coil width, the winding of the coil sides is also possible with molded coils, which otherwise could not be handled by a machine.
- the shaped coils can be produced with a spreading angle or a sufficient spool width that is sufficient for winding by the machine. After winding with insulating material, the coils are then brought into the final shape and size required for installation in an electrical machine.
- the form coils can also be produced with the dimensions required for installation in an electrical machine. Such coils are then expanded accordingly for automatic winding. Such prefabrication of the coils in their final shape is particularly advantageous when the spreading angle or the coil width of the final shape is already close to the minimum machining sizes of the machine. The coils can then be expanded accordingly due to their inherent elasticity without permanent deformation. In this way, after the winding, the form coil practically springs back into its final shape without the need for any significant reshaping.
- the expansion and / or reshaping can be carried out by means of appropriate devices on the machines winding up the insulating tape. This makes it unnecessary to convert the form coils to separate devices with which the corresponding shaping of the coils would have to be carried out.
- a shaped coil to be wound according to the described method is shown. With 2 the coil sides, with 3 the coil legs and with ⁇ the spread angle of the coil legs of the form coil 1 are designated.
- the Conductor bundles of the form coil 1 are wound with a strip-shaped insulating material.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
- Insulating Of Coils (AREA)
Abstract
Die Erfindung bezieht sich auf ein Verfahren zum Isolieren von Formspulen (1), bei denen mittels eines Automaten ein streifenförmiges Isoliermaterial (4) um die Leiterbündel (2) der Formspulen gewickelt wird. Ein vollständiges Aufbringen des Isoliermaterials durch einen Automaten unabhängig von der Größe des Spreizwinkels (α) der Formspulen wird dadurch ermöglicht, daß bei Formspulen, die durch den Einbau eine elektrische Maschine bedingt an ihren Stirnseiten einen Spreizwinkel von weniger als 90<°> aufweisen, dieser Spreizwinkel auf gleich/größer 90° vergrößert ist und die Formspulen nach dem Aufbringen des Isoliermaterials so verformt werden, daß sich die für den Einbau in eine elektrische Maschine erforderliche Größe des Spreizwinkels einstellt. <IMAGE>The invention relates to a method for insulating shaped coils (1), in which a strip-shaped insulating material (4) is wound around the conductor bundle (2) of the shaped coils by means of an automatic machine. A complete application of the insulating material by a machine regardless of the size of the spreading angle (α) of the form coils is made possible by the fact that with form coils, which have an electrical machine due to the installation, have a spread angle of less than 90 <°> on their end faces Spread angle is increased to equal to / greater than 90 ° and the form coils are deformed after the application of the insulating material so that the size of the spread angle required for installation in an electrical machine is obtained. <IMAGE>
Description
Die Erfindung betrifft ein Verfahren zum Isolieren von Formspulen, bei dem mittels eines Automaten ein streifenförmiges Isoliermaterial um die Leiterbündel der Formspulen gewickelt wird.The invention relates to a method for insulating shaped coils, in which a strip-shaped insulating material is wound around the conductor bundle of the shaped coils by means of an automatic machine.
Mit auf dem Markt befindlichen Automaten für das Aufbringen von Isolierbändern auf die Leiterbündel von Formspulen können die Formspulen nur dann von dem Automaten bewickelt werden, wenn die Formspulen die von dem Automaten vorgegebenen Mindestbearbeitungsgrößen hinsichtlich der Breite zwischen den Spulenseiten und/oder des von den Spulenschenkeln gebildeten Spreizwinkels aufweisen. Diese Mindestbearbeitungsgrößen liegen hinsichtlich der Spulenbreite bei 150-170 mm und hinsichtlich des Spreizwinkels bei größer/gleich 90°. Der Einbau der Formspulen in eine elektrische Maschine erfordert jedoch häufig Spulenabmessungen, die kleiner als die von den Automaten vorgegebenen Mindestgrößen sind.With machines on the market for applying insulating tapes to the conductor bundles of form coils, the form coils can only be wound by the machine if the form coils have the minimum machining sizes specified by the machine with regard to the width between the coil sides and / or that formed by the coil legs Have spread angle. These minimum machining sizes are 150-170 mm with regard to the coil width and greater than / equal to 90 ° with regard to the spreading angle. However, the installation of the form coils in an electrical machine often requires coil dimensions that are smaller than the minimum sizes specified by the machines.
Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren anzugeben, mit dem Formspulen unabhängig von den durch den Einbau in eine elektrische Maschine vorgegebenen Maßen mittels eines Automaten mit Isoliermaterial bewickelt werden können.The invention is based on the object of specifying a method with which shaped coils can be wound with insulating material by means of a machine independently of the dimensions specified by the installation in an electrical machine.
Die Lösung der gestellten Aufgabe gelingt nach der Erfindung dadurch, daß die Formspulen hinsichtlich ihrer Breite und/oder ihres von den Spulenschenkeln gebildeten Spreizwinkels entsprechend der durch den Automaten vorgegebenen Bearbeitungsgrößen vergrößert werden und nach dem Aufbringen des Isoliermaterials so verformt werden, daß sich die für den Einbau in eine elektrische Maschine erforderliche Breite der Spule und/oder der erforderliche Spreizwinkel einstellt.The solution to the problem is achieved according to the invention in that the form coils are enlarged in terms of their width and / or their spreading angle formed by the coil legs in accordance with the machining sizes specified by the machine and are deformed after the application of the insulating material so that the for Installation in an electrical machine sets the required width of the coil and / or the required spreading angle.
Durch eine solche Vergrößerung der Spulenbreite und/oder des Spreizwinkels ist die Möglichkeit geschaffen, die Formspulen vollständig durch einen Automaten mit Isoliermaterial zu bewickeln. Durch die nachträgliche Verformung erhalten die Formspulen die für ihren Einbau in eine elektrische Maschine erforderlichen Maße.Such an increase in the coil width and / or the spreading angle creates the possibility of completely winding the shaped coils with insulating material by means of a machine. The subsequent deformation gives the form coils the dimensions required for their installation in an electrical machine.
Die Formspulen können von vornherein mit einer Spulenbreite und/oder einem Spreizwinkel, welche jeweils den Mindestbearbeitungsgrößen des Automaten entsprechen, hergestellt und nach dem Isoliervorgang auf die für den Einbau in eine elektrische Maschine erforderlichen Abmessungen geformt werden.From the outset, the shaped coils can be produced with a coil width and / or a spreading angle, which in each case correspond to the minimum machining sizes of the machine, and can be shaped to the dimensions required for installation in an electrical machine after the insulation process.
Liegen die Formspulen bereits mit den für den Einbau in eine elektrische Maschine erforderlichen Abmessungen vor, dann können diese Formspulen vor dem Aufbringen des Isoliermaterials entsprechend der durch den Automaten vorgegebenen Mindestbearbeitungsgrößen aufgeweitet werden.If the form coils are already available with the dimensions required for installation in an electrical machine, then these form coils can be widened in accordance with the minimum machining sizes specified by the machine before the insulation material is applied.
Zweckmäßigerweise erfolgt das Aufweiten und/oder Zurückformen der Spulen direkt durch den das Isoliermaterial aufwickelnden Automaten.Expediently, the coils are expanded and / or reshaped directly by the machine that winds up the insulating material.
Durch das angegebene Verfahren wird die Möglichkeit geschaffen, Formspulen unabhängig von der Größe ihrer Spulenbreite bzw. ihres Spreizwinkels vollständig durch einen Automaten mit einem Isolierband zu bewickeln. Durch die Vergrößerung des Spreizwinkels wird für das den Aufwickelvorgang ausführende Organ des Automaten auch an der Kröpfungsstelle der Stirnseite ausreichend Platz geschaffen, so daß dieses Organ die Bewicklung der Kröpfungsstelle durchführen kann. Desgleichen wird durch die Vergrößerung der Spulenbreite das Bewickeln der Spulenseiten auch bei Formspulen ermöglicht, die ansonsten gar nicht mittels eines Automaten bewickelt werden könnten.The specified method creates the possibility of completely winding shaped coils with an insulating tape, regardless of the size of their coil width or their spreading angle. By enlarging the spreading angle, sufficient space is also created for the organ of the machine which carries out the winding process at the offset point on the end face, so that this element can carry out the winding of the offset point. Likewise, by increasing the coil width, the winding of the coil sides is also possible with molded coils, which otherwise could not be handled by a machine.
Die Formspulen können von vornherein mit einem für die Bewicklung durch den Automaten ausreichend großen Spreizwinkel bzw. ausreichender Spulenbreite hergestellt werden. Nach dem Bewickeln mit Isoliermaterial werden die Spulen dann in die für den Einbau in eine elektrische Maschine erforderliche endgültige Form und Größe gebracht.From the outset, the shaped coils can be produced with a spreading angle or a sufficient spool width that is sufficient for winding by the machine. After winding with insulating material, the coils are then brought into the final shape and size required for installation in an electrical machine.
Die Formspulen können aber auch bereits mit den für den Einbau in eine elektrische Maschine notwendigen Maßen hergestellt werden. Für das automatische Bewickeln werden solche Spulen dann entsprechend aufgeweitet. Eine solche Vorfertigung der Spulen in ihrer endgültigen Form ist insbesondere dann von Vorteil, wenn der Spreizwinkel bzw. die Spulenbreite der endgültigen Form bereits nahe bei den Mindestbearbeitungsgrößen des Automaten liegt. Die Spulen können dann aufgrund der ihnen innewohnenden Elastizität entsprechend aufgeweitet werden, ohne daß es zu einer bleibenden Verformung kommt. Damit federt die Formspule nach dem Bewickeln praktisch wieder in ihre endgültige Form zurück, ohne daß es einer wesentlichen Rückverformung bedarf.However, the form coils can also be produced with the dimensions required for installation in an electrical machine. Such coils are then expanded accordingly for automatic winding. Such prefabrication of the coils in their final shape is particularly advantageous when the spreading angle or the coil width of the final shape is already close to the minimum machining sizes of the machine. The coils can then be expanded accordingly due to their inherent elasticity without permanent deformation. In this way, after the winding, the form coil practically springs back into its final shape without the need for any significant reshaping.
Das Aufweiten und/oder Zurückformen kann durch entsprechende Vorrichtungen an den das Isolierband aufwickelnden Automaten erfolgen. Damit erübrigt sich ein Umsetzen der Formspulen auf gesonderte Geräte, mit denen die entsprechende Formung der Spulen vorgenommen werden müßte.The expansion and / or reshaping can be carried out by means of appropriate devices on the machines winding up the insulating tape. This makes it unnecessary to convert the form coils to separate devices with which the corresponding shaping of the coils would have to be carried out.
In der Zeichnung ist eine nach dem beschriebenen Verfahren zu bewickelnde Formspule dargestellt. Mit 2 sind die Spulenseiten, mit 3 die Spulenschenkel und mit α der Spreizwinkel der Spulenschenkel der Formspule 1 bezeichnet. Die Leiterbündel der Formspule 1 sind mit einem streifenförmigen Isoliermaterial bewickelt.In the drawing, a shaped coil to be wound according to the described method is shown. With 2 the coil sides, with 3 the coil legs and with α the spread angle of the coil legs of the
Claims (3)
dadurch gekennzeichnet,
daß die Formspulen hinsichtlich ihrer Breite und/oder ihres von den Spulenschenkeln gebildeten Spreizwinkels entsprechend der durch den Automaten vorgegebenen Mindestbearbeitungsgrößen vergrößert werden und nach dem Aufbringen des Isoliermaterials so verformt werden, daß sich die für den Einbau in eine elektrische Maschine erforderliche Breite der Spule und/oder der erforderliche Spreizwinkel einstellt.Method for isolating form coils, in which a strip-shaped insulating material is wound around the conductor bundle of the form coils by means of an automatic machine,
characterized by
that the shaped coils are enlarged in terms of their width and / or their spreading angle formed by the coil legs in accordance with the minimum machining sizes specified by the machine and after the application of the insulating material are deformed in such a way that the width of the coil required for installation in an electrical machine and / or sets the required spread angle.
dadurch gekennzeichnet,
daß Formspulen, die bereits mit den für den Einbau in eine elektrische Maschine notwendigen Maßen hergestellt sind, vor dem Aufbringen des Isoliermaterials entsprechend der durch den Automaten vorgegebenen Mindestbearbeitungsgrößen aufgeweitet werden.Method according to claim 1,
characterized by
that form coils, which are already manufactured with the dimensions required for installation in an electrical machine, are expanded before the application of the insulating material in accordance with the minimum machining sizes specified by the machine.
dadurch gekennzeichnet,
daß das Aufweiten und/oder Zurückformen der Spulen durch den das Isoliermaterial aufwickelnden Automaten erfolgt.The method of claim 1 or 2,
characterized by
that the expansion and / or reshaping of the coils is carried out by the automatic machine winding up the insulating material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19529970 | 1995-08-14 | ||
| DE19529970A DE19529970C1 (en) | 1995-08-14 | 1995-08-14 | Pre-formed electrical machine coil insulation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0758813A1 true EP0758813A1 (en) | 1997-02-19 |
| EP0758813B1 EP0758813B1 (en) | 1999-03-03 |
Family
ID=7769512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96112556A Expired - Lifetime EP0758813B1 (en) | 1995-08-14 | 1996-08-02 | Insulation process of formed coils |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0758813B1 (en) |
| JP (1) | JP3488343B2 (en) |
| CA (1) | CA2183132C (en) |
| DE (2) | DE19529970C1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107253644A (en) * | 2017-05-09 | 2017-10-17 | 重庆朗正科技有限公司 | A kind of workpiece cladding material wind |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009032882B3 (en) * | 2009-07-13 | 2010-11-04 | Siemens Aktiengesellschaft | Method for producing preformed coil for floor winding of dynamo-electric machine using raw coil, involves bending longitudinal sides around specific degrees such that end winding sides are bent at angle from longitudinal sides |
| DE102009032883A1 (en) | 2009-07-13 | 2011-01-27 | Siemens Aktiengesellschaft | Winding arrangement |
| FI20096333A0 (en) | 2009-12-15 | 2009-12-15 | Abb Oy | METHOD FOR MANUFACTURE OF ELECTRICAL MACHINE COILING |
| DE102010028869A1 (en) | 2010-05-11 | 2011-11-17 | Siemens Aktiengesellschaft | Direct current generator i.e. wind power generator, has stator including single-layer winding system constructed of several winding segments, where each winding segment includes open slots for winding of three stator coils |
| CN106252062B (en) * | 2016-08-26 | 2018-06-29 | 中车株洲电机有限公司 | One kind is suitable for the full-automatic binding device of ductility insulating materials and method |
| CN109888955B (en) * | 2019-03-07 | 2022-05-17 | 西安远飞航空技术发展有限公司 | High-power-density disc type motor winding structure and winding preparation method thereof |
| EP3979472A1 (en) | 2020-09-30 | 2022-04-06 | Siemens Aktiengesellschaft | Coil of an electric machine and means for production of same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58175959A (en) * | 1982-04-09 | 1983-10-15 | Toshiba Corp | Manufacture of hexagonal insulated coil |
| FR2639625A1 (en) * | 1988-11-28 | 1990-06-01 | Graftiaux Sa | Device for the tape-winding of coils or of bars using a tape which may or may not be insulating |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1104607B (en) * | 1958-09-17 | 1961-04-13 | Philips Nv | Electric coil with insulating intermediate layers |
-
1995
- 1995-08-14 DE DE19529970A patent/DE19529970C1/en not_active Expired - Fee Related
-
1996
- 1996-08-02 DE DE59601365T patent/DE59601365D1/en not_active Expired - Lifetime
- 1996-08-02 EP EP96112556A patent/EP0758813B1/en not_active Expired - Lifetime
- 1996-08-09 JP JP22611496A patent/JP3488343B2/en not_active Expired - Fee Related
- 1996-08-12 CA CA002183132A patent/CA2183132C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58175959A (en) * | 1982-04-09 | 1983-10-15 | Toshiba Corp | Manufacture of hexagonal insulated coil |
| FR2639625A1 (en) * | 1988-11-28 | 1990-06-01 | Graftiaux Sa | Device for the tape-winding of coils or of bars using a tape which may or may not be insulating |
Non-Patent Citations (1)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 008, no. 013 (E - 222) 20 January 1984 (1984-01-20) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107253644A (en) * | 2017-05-09 | 2017-10-17 | 重庆朗正科技有限公司 | A kind of workpiece cladding material wind |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2183132A1 (en) | 1997-02-15 |
| JPH0955330A (en) | 1997-02-25 |
| DE19529970C1 (en) | 1996-07-25 |
| JP3488343B2 (en) | 2004-01-19 |
| EP0758813B1 (en) | 1999-03-03 |
| CA2183132C (en) | 2003-10-14 |
| DE59601365D1 (en) | 1999-04-08 |
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