DE102009027916A1 - Magnetic pole for use at rotor of electrical machine, has magnet segments stuck together by flexible adhesive i.e. silicone adhesive, and distance elements e.g. glass balls, embedded into adhesive between magnet segments - Google Patents
Magnetic pole for use at rotor of electrical machine, has magnet segments stuck together by flexible adhesive i.e. silicone adhesive, and distance elements e.g. glass balls, embedded into adhesive between magnet segments Download PDFInfo
- Publication number
- DE102009027916A1 DE102009027916A1 DE200910027916 DE102009027916A DE102009027916A1 DE 102009027916 A1 DE102009027916 A1 DE 102009027916A1 DE 200910027916 DE200910027916 DE 200910027916 DE 102009027916 A DE102009027916 A DE 102009027916A DE 102009027916 A1 DE102009027916 A1 DE 102009027916A1
- Authority
- DE
- Germany
- Prior art keywords
- adhesive
- magnetic pole
- magnet segments
- rotor
- embedded
- 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.)
- Withdrawn
Links
- 239000000853 adhesive Substances 0.000 title claims abstract description 27
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 27
- 239000013464 silicone adhesive Substances 0.000 title claims abstract description 9
- 239000011521 glass Substances 0.000 title abstract description 6
- 230000007797 corrosion Effects 0.000 claims abstract description 6
- 238000005260 corrosion Methods 0.000 claims abstract description 6
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 239000010410 layer Substances 0.000 abstract description 8
- 229910000570 Cupronickel Inorganic materials 0.000 abstract 1
- 239000011247 coating layer Substances 0.000 abstract 1
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 abstract 1
- 239000011324 bead Substances 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 229910003336 CuNi Inorganic materials 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000001029 thermal curing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/04—Details of the magnetic circuit characterised by the material used for insulating the magnetic circuit or parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0205—Magnetic circuits with PM in general
- H01F7/0221—Mounting means for PM, supporting, coating, encapsulating PM
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
Abstract
Description
Die
Erfindung betrifft einen Magnetpol aus miteinander verklebten Magnetsegmenten
gemäß dem Oberbegriff von Patentanspruch 1, wie
dieser beispielsweise aus der
Gesinterte Magnetwerkstoffe sind bekanntlich ausgesprochen hart und spröde, was den Umgang mit diesen Werkstoffen und die Montage von Magnetpolen deutlich erschwert und deren Einsatzbereich teilweise einschränkt.sintered Magnetic materials are known to be extremely hard and brittle, what the handling of these materials and the assembly of magnetic poles makes it considerably more difficult and partially limits their field of application.
Die Erfindung stellt sich die Aufgabe, einen Magnetpol und eine Magnetpolanordnung darzustellen, die zunächst eine sichere, beschädigungsfreie Montage eines Magnetpols bei einer Elektromaschine ermöglichen und die beim Betreiben einer Elektromaschine eine betriebssichere Anordnung eines Magnetpols gegenüber den auf diesen wirkenden Kräften gewährleisten.The Invention has set itself the task of a magnetic pole and a magnetic pole First, a safe, damage-free assembly enable a magnetic pole in an electric machine and when operating an electric machine a reliable Arrangement of a magnetic pole relative to those acting on this Ensure forces.
Diese Aufgaben werden bei einer Magnetpolanordnung der eingangs genannten Art durch das im Kennzeichen von Patentanspruch 1 angegebene Merkmal und mit der Magnetpolanordnung gemäß Patentanspruch 5 gelöst.These Tasks are in a Magnetpolanordnung the aforementioned Type by the feature specified in the characterizing part of claim 1 and with the magnetic pole arrangement according to claim 5 solved.
Es wird damit gemäß einem ersten Aspekt der Erfindung ein Magnetpol vorgeschlagen, welcher zumindest zwei miteinander verklebte Magnetsegmente umfasst, wobei die Magnetsegmente mittels eines elastischen Klebstoffs verklebt sind.It is thus according to a first aspect of the invention proposed a magnetic pole, which at least two together bonded magnetic segments, wherein the magnetic segments by means of a elastic adhesive are glued.
Dadurch wird gewährleistet, dass der Magnetpol bei der Montage an einem Tragelement, z. B. auf der Innen- oder Außenumfangsfläche eines Blechpakets oder in einer in einem Blechpaket ausgebildeten Tasche gegenüber Unebenheiten der Montagefläche oder -tasche weniger empfindlich ist, wobei die einzelnen Magnetsegmente durch die zwischen diesen ausgebildete elastische Klebstoffschichten sowohl in deren Anordnungsrichtung als auch quer dazu gegenseitig innerhalb eines gewissen Bereiches verlagert werden können, wobei der Zusammenhalt der Magnetpolanordnung aufrechterhalten bleibt. In anderer Hinsicht bedeutet das, dass die Anforderungen an die Oberflächenbeschaffenheit der Montagefläche bzw. -raumes reduziert werden können und beispielsweise bei der Montage an oder in einem Blechpaket einer elektrischen Maschine ein geringer Stapelversatz der Einzelblechlamellen zulässig ist. Neben einem Montagevorteil ergibt sich somit auch ein Fertigungs- und Kostenvorteil. Wenn der Magnetpol zur Anordnung an einem Rotor einer elektrischen Maschine vorgesehen ist, so ist dieser auch durch die elastischen Zwischenschichten bei der Wirkung von Stoß- oder ruckartigen Belastungen und Fliehkräften zumindest leicht verformbar und weniger bruchanfällig. Als Klebstoff kommt insbesondere ein Silikonkleber zum Einsatz. Zur Bildung eines Magnetpols werden zunächst unmagnetisierte Segmente aus dem Magnetwerkstoff präpariert und mittels eines elastischen Klebstoffs zusammengefügt, um danach in einem Magnetfeld magnetisiert zu werden.Thereby ensures that the magnetic pole during assembly on a support element, for. B. on the inner or outer peripheral surface a laminated core or in a formed in a laminated core Bag against unevenness of the mounting surface or pocket is less sensitive, with the individual magnet segments by the elastic adhesive layers formed between them both in the arrangement direction as well as across each other can be relocated within a certain range, wherein the cohesion of the magnetic pole arrangement is maintained. In other ways, that means that the requirements of the Surface texture of the mounting surface or space can be reduced and, for example, at the mounting on or in a laminated core of an electrical machine a small stacking offset of the single plate lamellae is permissible is. In addition to an assembly advantage, a production and cost advantage. When the magnetic pole for placement on a rotor an electric machine is provided, so this is also by the elastic intermediate layers in the effect of shock or jerky loads and centrifugal forces at least easily deformable and less prone to breakage. As an adhesive In particular, a silicone adhesive is used. To form a Magnetic poles are initially unmagnetized segments prepared the magnetic material and by means of an elastic Adhesive then put together in a magnetic field to be magnetized.
Vorteilhafte Weiterbildungen und Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.advantageous Further developments and refinements of the invention are specified in the subclaims.
Mit Vorteil weist jedes einzelne Magnetsegment eine Korrosionsschutzschicht auf, welche vor dem Verkleben zu einem Magnetpol auf diese aufgebracht wird. Die Korrosionsschutzschicht kann zum Beispiel als Lack- oder Kunststoffüberzug oder als ein galvanischer Überzug ausgeführt sein.With Advantage, each individual magnet segment has a corrosion protection layer on which applied before bonding to a magnetic pole on this becomes. The corrosion protection layer can be used, for example, as a paint or Plastic coating or as a galvanic coating be executed.
Zur Bewahrung eines gegenseitigen Mindestabstandes der einzelnen Magnetsegmente sind in den elastischen Klebstoff Distanzelemente, vorzugsweise Glaskugeln einer vorgebbaren Größenverteilung, eingebettet.to Preservation of a mutual minimum distance of the individual magnet segments are in the elastic adhesive spacers, preferably Glass balls of a predefinable size distribution, embedded.
Gemäß einem weiteren Aspekt wird eine Magnetpolanordnung vorgeschlagen, welche einen Magnetpol nach einem der Ansprüche 1 bis 4 und einen Träger umfasst, an dem der Magnetpol festgelegt ist. Gemäß der Erfindung ist vorgesehen, dass der Magnetpol mittels eines elastischen Klebstoffs an dem Träger angeordnet ist.According to one Another aspect proposes a magnetic pole arrangement which a magnetic pole according to one of claims 1 to 4 and a carrier includes, where the magnetic pole is fixed. According to the Invention is provided that the magnetic pole by means of an elastic Adhesive is arranged on the carrier.
Gemäß vorteilhafter Ausführungen bzw. Weiterbildungen wird als elastischer Klebstoff vorzugsweise ein Silikonkleber eingesetzt, wobei auch hier zwischen dem Magnetpol und dem Träger Distanzelemente, insbesondere Glaskugeln in dem Klebstoff eingebettet sind. Durch die Elastizität des Klebstoffs können insbesondere thermisch induzierte Verspannungen zwischen einem Magnetpol und dessen Träger, z. B. einem Elektroblechpaket, durch die Klebstoffschicht aufgenommen werden, wobei in dem Kleber enthaltene Distanzelemente einen Mindestabstand zwischen Magnetpol und Träger bzw. einem Aufnahmeraum gewährleisten. Die aus einem elektrisch nicht leitenden Werkstoff bestehen Distanzelemente wirken somit auch als weitere elektrische Isolationsschicht zwischen den einzelnen Magnetsegmenten und zwischen einem Magnetpol und dessen Träger.According to advantageous Designs or developments is considered elastic Adhesive preferably used a silicone adhesive, and here too between the magnetic pole and the carrier spacer elements, in particular glass beads are embedded in the adhesive. By in particular, the elasticity of the adhesive can thermally induced tensions between a magnetic pole and its carrier, z. B. an electrical steel package, through the adhesive layer are received, wherein contained in the adhesive spacers a minimum distance between magnetic pole and carrier or ensure a recording room. The from an electric non-conductive material spacer elements thus act as a further electrical insulation layer between the individual Magnetic segments and between a magnetic pole and its carrier.
Das
Ausführungsbeispiel zeigt eine nicht maßstabgetreue
Anordnung eines Magnetpols
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 1010
- Magnetpolmagnetic pole
- 1212
- Rotorrotor
- 1414
- Magnetsegmentmagnetic segment
- 1616
- elastischer Klebstoffelastic adhesive
- 1717
- Distanzelementspacer
- 1818
- Taschebag
- 2020
- Blechpaketlaminated core
- 2222
- Endblechend plate
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 102005032721 B4 [0001] DE 102005032721 B4 [0001]
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200910027916 DE102009027916A1 (en) | 2009-07-22 | 2009-07-22 | Magnetic pole for use at rotor of electrical machine, has magnet segments stuck together by flexible adhesive i.e. silicone adhesive, and distance elements e.g. glass balls, embedded into adhesive between magnet segments |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200910027916 DE102009027916A1 (en) | 2009-07-22 | 2009-07-22 | Magnetic pole for use at rotor of electrical machine, has magnet segments stuck together by flexible adhesive i.e. silicone adhesive, and distance elements e.g. glass balls, embedded into adhesive between magnet segments |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102009027916A1 true DE102009027916A1 (en) | 2011-01-27 |
Family
ID=43383765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200910027916 Withdrawn DE102009027916A1 (en) | 2009-07-22 | 2009-07-22 | Magnetic pole for use at rotor of electrical machine, has magnet segments stuck together by flexible adhesive i.e. silicone adhesive, and distance elements e.g. glass balls, embedded into adhesive between magnet segments |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102009027916A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012113416A3 (en) * | 2011-02-24 | 2013-01-10 | Andritz Ritz Gmbh | Internally exicted synchronous motor comprising a permanent magnet rotor with multiple corrosion protection |
CN104578616A (en) * | 2011-02-14 | 2015-04-29 | 丰田自动车株式会社 | Rotor magnet, rotor and manufacturing method for rotor |
EP2677641A4 (en) * | 2011-02-14 | 2015-11-18 | Toyota Motor Co Ltd | Rotor magnet, rotor, and rotor manufacturing method |
US9356480B2 (en) | 2012-04-11 | 2016-05-31 | Fanuc Corporation | Electric motor having rotor structure for avoiding defect due to strain generated by temperature change, and production method thereof |
EP3334018A1 (en) * | 2016-12-12 | 2018-06-13 | Enrichment Technology Company Ltd. Zweigniederlassung Deutschland | External rotor magnet unit |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3902480A1 (en) * | 1988-01-29 | 1989-09-07 | Kollmorgen Corp | NEODYM-BOR IRON MAGNETIC FIELD COMPONENT AND METHOD FOR THE PRODUCTION THEREOF |
DE4323656A1 (en) * | 1993-07-15 | 1995-01-19 | Vacuumschmelze Gmbh | Method of adhesively bonding permanent-magnetic materials |
DE102004058451A1 (en) * | 2004-12-03 | 2006-06-08 | Vacuumschmelze Gmbh & Co. Kg | Production of a magnet system used in machines, e.g. ship engines and wind generators comprises adhering magnets below each other and/or with other workpieces and applying corrosion protection |
DE102005032721B4 (en) | 2005-07-13 | 2007-06-06 | Siemens Ag | Block magnet with corrosion protection and application in electrical machines |
JP2008147642A (en) * | 2006-11-15 | 2008-06-26 | Hitachi Metals Ltd | Rare earth base permanent magnet |
EP2017859A1 (en) * | 2007-07-20 | 2009-01-21 | Siemens Aktiengesellschaft | Method for manufacturing of magnet poles |
-
2009
- 2009-07-22 DE DE200910027916 patent/DE102009027916A1/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3902480A1 (en) * | 1988-01-29 | 1989-09-07 | Kollmorgen Corp | NEODYM-BOR IRON MAGNETIC FIELD COMPONENT AND METHOD FOR THE PRODUCTION THEREOF |
DE4323656A1 (en) * | 1993-07-15 | 1995-01-19 | Vacuumschmelze Gmbh | Method of adhesively bonding permanent-magnetic materials |
DE102004058451A1 (en) * | 2004-12-03 | 2006-06-08 | Vacuumschmelze Gmbh & Co. Kg | Production of a magnet system used in machines, e.g. ship engines and wind generators comprises adhering magnets below each other and/or with other workpieces and applying corrosion protection |
DE102005032721B4 (en) | 2005-07-13 | 2007-06-06 | Siemens Ag | Block magnet with corrosion protection and application in electrical machines |
JP2008147642A (en) * | 2006-11-15 | 2008-06-26 | Hitachi Metals Ltd | Rare earth base permanent magnet |
EP2017859A1 (en) * | 2007-07-20 | 2009-01-21 | Siemens Aktiengesellschaft | Method for manufacturing of magnet poles |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104578616A (en) * | 2011-02-14 | 2015-04-29 | 丰田自动车株式会社 | Rotor magnet, rotor and manufacturing method for rotor |
EP2677641A4 (en) * | 2011-02-14 | 2015-11-18 | Toyota Motor Co Ltd | Rotor magnet, rotor, and rotor manufacturing method |
US9350219B2 (en) | 2011-02-14 | 2016-05-24 | Toyota Jidosha Kabushiki Kaisha | Rotor magnet, rotor, and rotor manufacturing method |
CN104578616B (en) * | 2011-02-14 | 2017-05-03 | 丰田自动车株式会社 | rotor manufacturing method |
WO2012113416A3 (en) * | 2011-02-24 | 2013-01-10 | Andritz Ritz Gmbh | Internally exicted synchronous motor comprising a permanent magnet rotor with multiple corrosion protection |
CN103503281A (en) * | 2011-02-24 | 2014-01-08 | 安德里茨里茨有限责任公司 | Internally excited synchronous motor comprising permanent magnet rotor with multiple corrosion protection |
US9356480B2 (en) | 2012-04-11 | 2016-05-31 | Fanuc Corporation | Electric motor having rotor structure for avoiding defect due to strain generated by temperature change, and production method thereof |
EP3334018A1 (en) * | 2016-12-12 | 2018-06-13 | Enrichment Technology Company Ltd. Zweigniederlassung Deutschland | External rotor magnet unit |
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R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |