DE587773C - Insulation for windings housed in half-open slots in electrical machines, which consists of several layers lining the slot, loosely on top of one another - Google Patents
Insulation for windings housed in half-open slots in electrical machines, which consists of several layers lining the slot, loosely on top of one anotherInfo
- Publication number
- DE587773C DE587773C DEA50578D DEA0050578D DE587773C DE 587773 C DE587773 C DE 587773C DE A50578 D DEA50578 D DE A50578D DE A0050578 D DEA0050578 D DE A0050578D DE 587773 C DE587773 C DE 587773C
- Authority
- DE
- Germany
- Prior art keywords
- insulation
- layers
- groove
- electrical machines
- open slots
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
- H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/08—Forming windings by laying conductors into or around core parts
- H02K15/09—Forming windings by laying conductors into or around core parts by laying conductors into slotted rotors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Description
Die Erfindung bezieht sich auf elektrische Maschinen, bei denen die Wicklung in die halboffenen Nuten durch einzelnes Einlegen der Drähte in radialer Richtung der Maschine eingebracht wird. Vor dem Einlegen der . · Drahtwindungen wird die Nut gewöhnlich durch eine ein- oder mehrfache Schicht von Preßspan ausgekleidet, die durch axiales Einschieben des oder der U-förmig zusammenge- bogenen Streifen in die Nut gebracht wird. Erhebliche Nachteile dieser Anordnung bestehen darin, daß die Isolierschicht beim Einbringen der Wicklungsdrähte von diesen getroffen und zusammengeschoben wird oder daß die Drähte häufig zwischen die Isolierschicht und die Nutenwandung gelangen. Namentlich bei Verwendung mehrerer Isolierschichten besteht die Gefahr des Zusammenschiebens derselben oder des"Eindringens der Drähte zwischen die einzelnen Isolierschichten oder zwischen die an der Nutenwandung liegende Isolierschicht und die Nutenwandung. Dieselben Störungen können auch dann auftreten, wenn einzelne der Isolierschichten mit verlängerten Kanten versehen sind, die aus der Nut herausragen.The invention relates to electrical machines in which the winding in the half-open grooves by inserting the wires individually in the radial direction of the machine is introduced. Before inserting the. · Wire turns the groove becomes ordinary lined with a single or multiple layer of pressboard, which is assembled in a U-shape by axially inserting curved strip is brought into the groove. There are considerable disadvantages to this arrangement in that the insulating layer is hit by these and pushed together when the winding wires are introduced, or that the wires often get between the insulating layer and the groove wall. Especially when using several insulating layers, there is a risk of them being pushed together the same or the "penetration of the wires between the individual insulating layers or between the insulating layer on the wall of the groove and the wall of the groove. The same glitches can also occur when some of the insulating layers are provided with extended edges that protrude from the groove.
Nach der Erfindung werden diese Nachteile bei der Isolierung halboffener Nuten, die aus mehreren die Nut auskleidenden, lose aufeinanderliegenden Schichten von verhältnismäßig widerstandsfähigem Werkstoff besteht, dadurch vermieden, daß eine der äußeren Isolierschichten um die anderen herumgeschlagen ist. Beim U-förmigen Zusammenbiegen einer derartigen Isolierung ergibt sich eine Spannung des Isoliermaterials, die die ganze Isolierung und besonders die an der Nutöffnung liegenden Kanten fest an den Nutenwandungen anliegen läßt.. Die Kanten der Isolierung bilden überdies an der Einfüll-. seite der Nut eine im Querschnitt trichterförmige Öffnung, die die Wicklungsdrähte beim Einlegen stets an die richtige Stelle leitet, so daß diese nicht zwischen die Isolierschichten oder zwischen die äußere Isolierschicht und die Nutenwandung gelangen können. Weitere Vorteile dieser Anordnung liegen darin, daß man die Durchschlagsfestigkeit der Nutisolation, ohne den für das Einträufeln der Leiter zur Verfügung stehenden Nutenraum merklich zu verkleinern, dadurch erhöhen kann, daß man zwischen' die gegen äußere mechanische Einflüsse widerstandsfähigen Schichten eine dünne Lage von Isolationsstoffen in an sich bekannter Weise bringt, die eine sehr hohe Durchschlagsfestigkeit besitzen, aber ohne diese Einhüllung gegen mechanische Einflüsse jeder ArtAccording to the invention, these disadvantages in the isolation of half-open grooves that from several layers lining the groove, loosely one on top of the other, of relatively Resistant material is, thereby avoided that one of the outer insulating layers wrapped around the other is. When such an insulation is bent in a U-shape, the result is a tension in the insulation material that affects the entire insulation and especially that on the The edges lying in the groove opening can rest firmly against the walls of the groove. The edges the insulation also form at the filling. side of the groove a funnel-shaped cross section Opening that always guides the winding wires to the right place when they are inserted, so that they are not between the insulating layers or can get between the outer insulating layer and the groove wall. Further advantages of this arrangement lie in the fact that the dielectric strength of the slot insulation without the Instilling the conductor to reduce the available groove space noticeably, thereby can increase that between 'those resistant to external mechanical influences Layers brings a thin layer of insulation material in a known manner, which has a very high dielectric strength own, but without this covering against mechanical influences of any kind
*) Von dem. Patentsucher ist als der Erfinder angegeben worden:*) Of the. Patent seeker has been named as the inventor:
Max Joseph Hg in Berlin-Spandau.Max Joseph Hg in Berlin-Spandau.
äußerst empfindlich sind. Man versieht in an sich bekannter Weise entweder die einander zugekehrten Seiten der Isolationsschichten mit einer Lackschicht, die beim Einbringen in die Nut durch axiales Ein-" schieben nicht verletzt wird, oder legt eine Schicht von Lackseide oder einem ähnlichen Stoff dazwischen.are extremely sensitive. You either provide each other in a manner known per se facing sides of the insulation layers with a layer of lacquer, which when inserted into the groove by axial insertion " pushing is not injured, or puts a layer of silk floss or something similar Fabric in between.
In der Zeichnung werden einige Ausführungsbeispiele gezeigt. Gemäß der Abb. ι sind zwei Isolierschichten ο und b vorgesehen, von denen die erstere innen liegt und etwas breiter gehalten ist, so daß ihre oberen Kanten c um die äußere Schicht b herumgeschlägen werden können. Die Umschlagkanten c liegen an dem oberen Teil der Nutenwandung fest an und bieten mit ihrer an der Nutenöffnung liegenden Rundung keine Angriffsfläche für die einzulegenden Drähte d. Diese gelangen beim Einführen in axialer Richtung stets in den durch die Isolierung gebildeten Hohlraum e. Some exemplary embodiments are shown in the drawing. According to Fig. Ι two insulating layers ο and b are provided, of which the former lies on the inside and is kept somewhat wider so that its upper edges c can be folded around the outer layer b. The fold-over edges c lie firmly against the upper part of the groove wall and, with their rounding lying on the groove opening, do not offer any contact surface for the wires d to be inserted. When inserted in the axial direction, these always get into the cavity e formed by the insulation.
Nach der Abb. 2 ist'die äußere Schicht & um die innere Schicht α herumgeschlagen. Die etwas abstehenden Kanten c bilden eine im Querschnitt trichterförmige öffnung, die die Drähte beim Einbringen auch unbedingt in die Nutöffnung e gelangen läßt. Nach der Abb. 3 schließlich sind drei Isolierschichten a, b und f vorgesehen, von denen die innere Schicht / von einem gegen mechanische Einflüsse empfindlichen, dagegen hochwertig elektrisch isolierenden Stoff, z. B. Lackseide, gebildet wird. Hier sind, wie bei der Abb. 2, die Kanten c der äußeren Schicht b nach innen umgelegt.According to Fig. 2, the outer layer & is wrapped around the inner layer α . The slightly protruding edges c form an opening which is funnel-shaped in cross-section and which allows the wires to get into the groove opening e when they are introduced. Finally, according to Fig. 3, three insulating layers a, b and f are provided, of which the inner layer / is made of a material that is sensitive to mechanical influences but has a high quality electrical insulating material, e.g. B. lacquer silk is formed. Here, as in Fig. 2, the edges c of the outer layer b are turned inward.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEA50578D DE587773C (en) | 1927-04-09 | 1927-04-09 | Insulation for windings housed in half-open slots in electrical machines, which consists of several layers lining the slot, loosely on top of one another |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEA50578D DE587773C (en) | 1927-04-09 | 1927-04-09 | Insulation for windings housed in half-open slots in electrical machines, which consists of several layers lining the slot, loosely on top of one another |
Publications (1)
Publication Number | Publication Date |
---|---|
DE587773C true DE587773C (en) | 1933-11-08 |
Family
ID=6937475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEA50578D Expired DE587773C (en) | 1927-04-09 | 1927-04-09 | Insulation for windings housed in half-open slots in electrical machines, which consists of several layers lining the slot, loosely on top of one another |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE587773C (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1105978B (en) * | 1959-03-19 | 1961-05-04 | Bbc Brown Boveri & Cie | Slot insulation for the stators of electric motors, especially for the stator pack of encapsulated motor compressors in refrigeration machines |
US2985780A (en) * | 1958-03-21 | 1961-05-23 | American Mach & Foundry | Slot liner for dynamo electric machines |
US4277705A (en) * | 1977-09-02 | 1981-07-07 | Electric Power Research Institute | Method and apparatus for cooling a winding in the rotor of an electrical machine |
WO2016066404A1 (en) * | 2014-10-28 | 2016-05-06 | Robert Bosch Gmbh | Electrical machine having a groove insulation and method for the production thereof |
WO2016066403A1 (en) * | 2014-10-28 | 2016-05-06 | Robert Bosch Gmbh | Stator of an electric machine and method for the manufacture thereof |
EP2320539A3 (en) * | 2009-11-10 | 2016-06-01 | Fujitsu General Limited | Rotary machine stator |
CN111033953A (en) * | 2017-08-22 | 2020-04-17 | 大金工业株式会社 | Stator, motor provided with the stator, compressor provided with the motor, and air conditioner provided with the compressor |
-
1927
- 1927-04-09 DE DEA50578D patent/DE587773C/en not_active Expired
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2985780A (en) * | 1958-03-21 | 1961-05-23 | American Mach & Foundry | Slot liner for dynamo electric machines |
DE1105978B (en) * | 1959-03-19 | 1961-05-04 | Bbc Brown Boveri & Cie | Slot insulation for the stators of electric motors, especially for the stator pack of encapsulated motor compressors in refrigeration machines |
US4277705A (en) * | 1977-09-02 | 1981-07-07 | Electric Power Research Institute | Method and apparatus for cooling a winding in the rotor of an electrical machine |
EP2320539A3 (en) * | 2009-11-10 | 2016-06-01 | Fujitsu General Limited | Rotary machine stator |
WO2016066404A1 (en) * | 2014-10-28 | 2016-05-06 | Robert Bosch Gmbh | Electrical machine having a groove insulation and method for the production thereof |
WO2016066403A1 (en) * | 2014-10-28 | 2016-05-06 | Robert Bosch Gmbh | Stator of an electric machine and method for the manufacture thereof |
CN107078586A (en) * | 2014-10-28 | 2017-08-18 | 罗伯特·博世有限公司 | Motor with slot insulation portion and the method for manufacturing slot insulation portion |
CN107078586B (en) * | 2014-10-28 | 2019-04-23 | Seg汽车德国有限责任公司 | Motor with slot insulation portion and the method for manufacturing slot insulation portion |
CN111033953A (en) * | 2017-08-22 | 2020-04-17 | 大金工业株式会社 | Stator, motor provided with the stator, compressor provided with the motor, and air conditioner provided with the compressor |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE1962932C3 (en) | Arrangement for holding the field winding on a pronounced stator pole of a dynamo-electric machine | |
DE587773C (en) | Insulation for windings housed in half-open slots in electrical machines, which consists of several layers lining the slot, loosely on top of one another | |
DE1806853A1 (en) | Electrical connection terminal | |
DE7801259U1 (en) | ELECTRIC MACHINE | |
DE498119C (en) | Insulation for the winding of electrical machines with closed or semi-closed winding slots and additional insulating sleeves arranged at the exit points of the winding from the active iron | |
DE547733C (en) | Device for achieving a good penetration of the insulating material enveloping the slot conductors with OEl in electrical machines | |
DE7126814U (en) | WINDING FOR TRANSFORMERS, REACTOR COILS AND THE LIKE. | |
DE2754221A1 (en) | HV coil for low power HV transformer - has cylindrical coil former with partitions separating winding sections and slots for coil section connection wires | |
DE596876C (en) | Winding for electrical coils with several layers | |
DE596972C (en) | Insulated conductor bundle for electrical machines | |
DE670493C (en) | Electrical capacitor consisting of strip-shaped separating layers and coatings | |
AT403972B (en) | THIRD LADDER FOR WINDINGS OF ELECTRICAL MACHINES AND DEVICES | |
DE634769C (en) | Cable termination using a protective cone | |
DE357599C (en) | Isolation on high voltage conductors | |
AT105305B (en) | Capacitor. | |
DE527149C (en) | Winding embedded in slots for electrical machines or devices with several superposed conductors with increasing potential against bodies in each slot | |
DE641252C (en) | Bushing insulator or similar capacitor-like device made of layered insulating material with multilayered metallic inserts | |
DE601785C (en) | Electrical capacitor with inserted connection electrodes | |
DE547545C (en) | High-voltage cable with helically arranged electrostatic protective strips | |
DE649008C (en) | High power electric hotplate | |
AT134196B (en) | Insulated conductor bundle for electrical machines. | |
DE2922272C3 (en) | Winding for electrical machines | |
DE898495C (en) | X-ray device in which the X-ray tubes and the high-voltage generator are housed in a common earthed housing | |
AT83036B (en) | Insulated electrical conductor. | |
AT258405B (en) | Creepage strengthened high-voltage winding consisting of disc coils for transformers or parallel reactors |