WO2000031855A1 - Wicklungskörper für eine drehende elektrische maschine - Google Patents
Wicklungskörper für eine drehende elektrische maschine Download PDFInfo
- Publication number
- WO2000031855A1 WO2000031855A1 PCT/DE1999/003685 DE9903685W WO0031855A1 WO 2000031855 A1 WO2000031855 A1 WO 2000031855A1 DE 9903685 W DE9903685 W DE 9903685W WO 0031855 A1 WO0031855 A1 WO 0031855A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- winding body
- hollow cylindrical
- inner part
- groove
- rotating electrical
- Prior art date
Links
Classifications
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
-
- 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
- H02K1/26—Rotor cores with slots for windings
Definitions
- the invention relates to winding bodies for a rotating electrical machine, in particular consisting of a laminated winding body with windings arranged in slots.
- the segment-like radial structure of a stator is also known from DE 90 10 318.
- the stator is wound from the outside and then closed by a so-called yoke cylinder, the yoke cylinder in turn being divided into at least two parts.
- the disadvantage of this solution is that the yoke cylinder is divided into at least two parts and, because of its attachment and its effect on the electromagnetic field, is only suitable for small electric motors.
- a segmented structure is known from DE 38 33 130, in which an engine stand is divided into two.
- the two segments are massively connected to one another via dovetails arranged on teeth and the corresponding dovetail grooves.
- a plurality of slots are made in each case along the dovetail grooves in the inner surface of the outer part.
- the invention has for its object to provide a winding body for rotating electrical machines, which has a high mechanical strength of the laminated part of the
- the winding body enables the winding to be drawn mechanically into the slots and the inserted windings can be reliably fixed in the winding body slots.
- known closed slots 4 are arranged in a laminated winding body 1.
- the winding body 1 consists of at least two parts. From a hollow cylindrical outer part 2 and one cylindrical or hollow-cylindrical inner part 3.
- the inner part 3 is hollow-cylindrical if the rotor shaft has to be fitted, for example for technological reasons.
- Groove openings 5 are arranged in the hollow cylindrical outer part 2, each in the groove base to the inner part 3. These groove openings 5 widen towards the cylinder edge and are designed so that they represent a transition to the neighboring groove.
- the inventive closed grooves which are open to the inner part, and the widening of the groove openings make it possible to machine wound windings in the closed grooves.
- the outer shape of the cylindrical or hollow cylindrical inner part 3 is adapted to the inner shape of the hollow cylindrical outer part 2.
- the cylindrical or hollow cylindrical inner part 3 has in the direction
- Groove openings 5 are adapted to the shape of the groove opening regions. 6. These scatter heads 6 are preferably designed such that groove cutouts 7 are arranged in their center.
- the winding body 1 Due to the inventive design of the closed slots 4 in the hollow cylindrical part 2, the winding body 1 has a high mechanical strength. In spite of the closed slot 4, it can be machine-wound efficiently and the winding is reliably and precisely fixed in the slot immediately.
- the slot opening 5 is as wide as the entire slot 4.
- Scattering head 6 is just so wide that it fits into the slot opening area and extends to the slot 4, at the same time forming the slot closure from the inside.
- the groove cutouts 7 arranged in the scattering heads 6 are preferably filled with a non-ferromagnetic material.
- air gaps (9) are formed in particular between the outer part 2 and the cylindrical or hollow cylindrical inner part 3.
- the transitions from slot opening 5 to slot opening 5 in the outer part 2 and the corresponding counterparts on the inner part 3 are shaped so that they act as a driver between the outer part 2 and the inner part 3, ie the outer part 2 and the inner part 3 touch at least once between two grooves.
- the winding body according to the invention is designed such that additional openings 8 are arranged in the outer hollow cylindrical part 2 in the region of the webs between the closed grooves 4 near the outer circumference.
- the openings 8 can be open to the outside circumference in a special embodiment.
- the winding body according to the invention can be designed both for runner sheet metal bodies in inner or outer rotor design and for stator sheet metal bodies.
- FIG. 1 shows a section of a slot area from a winding body 1 according to the invention in the embodiment for a laminated inner rotor.
- the winding body 1 consists of two parts, a hollow cylindrical outer part 2 and a hollow cylindrical inner part 3.
- the rotor shaft is later mounted in the hollow cylindrical inner part 3.
- known closed grooves 4 are arranged in the hollow cylindrical outer part 2. These have groove openings 5 in the groove base towards the inner part 3.
- the groove openings 5 widen towards the cylinder edge and form a rounded transition to the neighboring groove.
- the outer shape of the hollow cylindrical inner part 3 is adapted to the inner shape of the hollow cylindrical outer part 2, here preferably rounded off.
- the hollow cylindrical inner part 3 is provided with adapted scattering heads 6 in the direction of the groove openings 5.
- These scattering heads 6 preferably have groove recesses 7 in their center, which are filled with a non-ferromagnetic material.
- the scattering heads 6 according to the invention act as drivers for the wooden cylindrical inner part 2.
- the inner part 2 is designed like a gear in the present case.
- a defined air gap (9) is arranged between the outer part 2 and the inner part 3.
- the outer part 2 has openings 8 in the area of the webs between the closed grooves 4 near the outer circumference.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99963256A EP1050096A1 (de) | 1998-11-19 | 1999-11-18 | Wicklungskörper für eine drehende elektrische maschine |
AU19639/00A AU1963900A (en) | 1998-11-19 | 1999-11-18 | Winding body for a rotating electric machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853500.7 | 1998-11-19 | ||
DE1998153500 DE19853500A1 (de) | 1998-11-19 | 1998-11-19 | Wicklungskörper für eine drehende elektrische Maschine |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000031855A1 true WO2000031855A1 (de) | 2000-06-02 |
Family
ID=7888402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1999/003685 WO2000031855A1 (de) | 1998-11-19 | 1999-11-18 | Wicklungskörper für eine drehende elektrische maschine |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1050096A1 (de) |
AR (1) | AR021341A1 (de) |
AU (1) | AU1963900A (de) |
DE (1) | DE19853500A1 (de) |
WO (1) | WO2000031855A1 (de) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3833130A1 (de) * | 1987-10-02 | 1989-06-29 | Matsushita Electric Ind Co Ltd | Zweiteiliger motorstaender |
DE9010318U1 (de) * | 1990-07-07 | 1991-11-07 | Robert Bosch Gmbh, 7000 Stuttgart, De | |
EP0822639A1 (de) * | 1996-08-02 | 1998-02-04 | TKD Tekne Dental S.n.c. di Ravalli Adolfo & C. | Elektrischer Motor, insbesondere der bürstenlosen Art oder mit elektronischer Kommutierung |
-
1998
- 1998-11-19 DE DE1998153500 patent/DE19853500A1/de not_active Withdrawn
-
1999
- 1999-11-18 EP EP99963256A patent/EP1050096A1/de not_active Withdrawn
- 1999-11-18 AU AU19639/00A patent/AU1963900A/en not_active Abandoned
- 1999-11-18 WO PCT/DE1999/003685 patent/WO2000031855A1/de not_active Application Discontinuation
- 1999-11-19 AR ARP990105907 patent/AR021341A1/es unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3833130A1 (de) * | 1987-10-02 | 1989-06-29 | Matsushita Electric Ind Co Ltd | Zweiteiliger motorstaender |
DE9010318U1 (de) * | 1990-07-07 | 1991-11-07 | Robert Bosch Gmbh, 7000 Stuttgart, De | |
EP0822639A1 (de) * | 1996-08-02 | 1998-02-04 | TKD Tekne Dental S.n.c. di Ravalli Adolfo & C. | Elektrischer Motor, insbesondere der bürstenlosen Art oder mit elektronischer Kommutierung |
Also Published As
Publication number | Publication date |
---|---|
EP1050096A1 (de) | 2000-11-08 |
AU1963900A (en) | 2000-06-13 |
DE19853500A1 (de) | 2000-05-25 |
AR021341A1 (es) | 2002-07-17 |
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