WO2010124796A2 - Elektrische maschine mit einer bürsten-schleifring-einrichtung - Google Patents
Elektrische maschine mit einer bürsten-schleifring-einrichtung Download PDFInfo
- Publication number
- WO2010124796A2 WO2010124796A2 PCT/EP2010/002331 EP2010002331W WO2010124796A2 WO 2010124796 A2 WO2010124796 A2 WO 2010124796A2 EP 2010002331 W EP2010002331 W EP 2010002331W WO 2010124796 A2 WO2010124796 A2 WO 2010124796A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- brush
- slip ring
- ring device
- shaft
- fan blades
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/28—Cooling of commutators, slip-rings or brushes e.g. by ventilating
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/26—Structural association of machines with devices for cleaning or drying cooling medium, e.g. with filters
Definitions
- the invention relates to an electric machine, such as an electric motor or a generator, with a power supply device to the rotor via brushes and slip rings.
- Slip rings for large rotating electrical machines are cooled today by cooling air supplied from the outside.
- the cooling air can be supplied axially or radially.
- the cooling air is taken from the surrounding space, filtered, supplied to the brush slip ring device, then passed through a brush dust filter, and discharged as warm exhaust air back to the environment.
- slip ring fans are not switched off immediately after the machine has stopped or if they are not switched on again when the machine is at a standstill, thermal deformation of the slip rings and brush holders can occur. This is the case, for example, when the cold coolant flow is not distributed evenly over the warm slip rings when the machine is at a standstill. If the machine is switched on again, this can lead to thermal deformation and thus to non-circular running slip rings. As a result, the so-called brush fire is generated with a high wear of the brushes and with spark erosion on the slip ring.
- Brush dust filter as it can not completely absorb the brush dust. Especially in hydroelectric power plants such pollution is disturbing.
- the invention has for its object to design an electrical machine according to the preamble of claim 1 such that the brush slip ring device is cooled in a flawless, reliable and perfect manner.
- the rotor shaft fan blades are assigned, which generate an air flow with the circulation of the rotor, which is selectively fed to the brush-slip ring device.
- the ventilation system according to the invention is structurally extremely simple.
- sheet metal punched wings that can be produced inexpensively are sufficient.
- the cooling air flow is generated from the first moment of rotation of the rotor. He stands thus immediately when starting the machine to
- FIG. 1 shows in an axial section the end region of an electrical
- FIG. 2 shows a plan view of the device in a schematic device
- Figure 3 shows in an axial section details of a first embodiment of a cooling device according to the invention.
- FIG. 4 shows, analogously to FIG. 3, a second embodiment.
- FIG. 5 shows, analogously to FIG. 3, a third embodiment.
- FIG. 6 shows in a schematic perspective view, partially cut away, essential parts of a cooling device according to the invention.
- the axis of rotation 1 of the machine is surrounded by a distributor tube 2.
- This has openings 2.1 on its periphery.
- the distributor tube 2 carries a ring plate 3.
- This in turn carries a plurality of slip rings 4 which are connected in series parallel to the machine axis and which rotate with the rotor of the machine.
- the grinding space 10 is the entire space in which the slip rings 4 and the brushes with the brush holders 5 are located. He is delimited by a lower cover plate 6. The cover is fixed.
- Wing 7 is rotatably connected to the manifold 2 and thus runs during operation of the machine.
- the cooling air system acts in the following way:
- the fan blades 7 generate an air flow. This first passes to the filter 8, then to the cooler 9, then into the distributor tube 2 and passes through the numerous openings 2.1 in the form of individual jets. Both the slip rings 4 and the brush holders 5 and the brushes themselves are acted upon and cooled.
- FIG. 2 can be seen again turn the axis of rotation 1 of the machine.
- Decisive are the fan blades 7. It also recognizes turn the filter 8 and the radiator 9. These are air-water cooler. From the coolers 9 at the outlet of cooler boxes 9.1 chilled and filtered air passes horizontally to the center, and further down into the rotating manifold 2. Through the openings 2.1 then the air flows into the slip ring space 10th
- a fan blade 7, which revolves with the distributor tube 2 can again be seen.
- Below the fan blade 7 (radial shaft fan) is the lower, non-rotating cover plate 6 of the fan blade 7. Through an open annular surface, formed from the lower cover plate 6 and the manifold 2, passes with brush dust laden cooling air to the fan blade 7.
- the fan blades 7 are located on the underside of the lower cover disk 6.
- the lower cover plate 6 carries on both sides fan blades 7.
- the lower cover plate 6, which carries the fan blades 7 is broken - see
- the cover disks 6 have recesses 6.1.
- the distributor tube 2 with its openings 2.1 can be seen.
- the lower cover plate 6 is rotatably connected to the distributor tube 2. She carries a variety of fan blades 7, on both sides.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012507620A JP2012525811A (ja) | 2009-04-30 | 2010-04-16 | ブラシ−スリップリング装置を備えた電気機械 |
BRPI1014558A BRPI1014558A2 (pt) | 2009-04-30 | 2010-04-16 | máquina elétrica com um dispositivo de escova e anel coletor. |
US13/264,735 US20120098383A1 (en) | 2009-04-30 | 2010-04-16 | Electric Machine Having a Brush-Slip Ring Device |
CN2010800186782A CN102414963A (zh) | 2009-04-30 | 2010-04-16 | 带有电刷-集电环-装置的电机 |
EP10714208A EP2425518A2 (de) | 2009-04-30 | 2010-04-16 | Elektrische maschine mit einer bürsten-schleifring-einrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009019295A DE102009019295A1 (de) | 2009-04-30 | 2009-04-30 | Elektrische Maschine mit einer Bürsten-Schleifring-Einrichtung |
DE102009019295.6 | 2009-04-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2010124796A2 true WO2010124796A2 (de) | 2010-11-04 |
WO2010124796A3 WO2010124796A3 (de) | 2011-05-12 |
Family
ID=42289078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/002331 WO2010124796A2 (de) | 2009-04-30 | 2010-04-16 | Elektrische maschine mit einer bürsten-schleifring-einrichtung |
Country Status (7)
Country | Link |
---|---|
US (1) | US20120098383A1 (de) |
EP (1) | EP2425518A2 (de) |
JP (1) | JP2012525811A (de) |
CN (1) | CN102414963A (de) |
BR (1) | BRPI1014558A2 (de) |
DE (1) | DE102009019295A1 (de) |
WO (1) | WO2010124796A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020033691A1 (en) * | 2018-08-09 | 2020-02-13 | Abb Schweiz Ag | In-line bypass module and line drop compensating power converter |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009050004A1 (de) | 2009-10-21 | 2011-04-28 | Voith Patent Gmbh | Elektrischer Generator |
DE102012203098A1 (de) * | 2012-02-29 | 2013-04-04 | Continental Automotive Gmbh | Elektrische Maschine mit Bürstensystem |
CN110784054A (zh) * | 2019-11-13 | 2020-02-11 | 哈尔滨电机厂有限责任公司 | 一种发电电动机排热空气轴 |
CN113937958A (zh) * | 2021-10-22 | 2022-01-14 | 远景能源有限公司 | 一种密闭式海上双馈发电机滑环冷却系统及方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE512496C (de) * | 1927-03-05 | 1930-11-14 | Siemens Schuckertwerke Akt Ges | Belueftungseinrichtung fuer in einem Gehaeuse angeordnete Schleifringe elektrischer Maschinen |
DE2405884A1 (de) * | 1973-02-12 | 1974-09-05 | Hitachi Ltd | Kollektor fuer umlaufende elektrische maschinen |
GB1505806A (en) * | 1975-04-05 | 1978-03-30 | Meidensha Electric Mfg Co Ltd | Commutation arrangement for a dc machine |
JPS6333364U (de) * | 1986-08-13 | 1988-03-03 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2019025A (en) * | 1932-10-22 | 1935-10-29 | Electric Boat Co | Electric drive |
US2460752A (en) * | 1947-09-09 | 1949-02-01 | Gen Electric | Dynamoelectric machine |
US4119873A (en) * | 1974-04-10 | 1978-10-10 | Tokyo Shibaura Denki Kabushiki Kaisha | Dynamoelectric machines |
JPS51116905A (en) * | 1975-10-30 | 1976-10-14 | Meidensha Electric Mfg Co Ltd | Commutator device |
JP3458506B2 (ja) * | 1994-03-11 | 2003-10-20 | 株式会社デンソー | 車両用交流発電機 |
CA2412303C (en) * | 2002-11-21 | 2010-05-04 | General Electric Canada Inc. | Electrical current collector cleaning and cooling for high voltage rotating machines |
JP2005117865A (ja) * | 2003-10-10 | 2005-04-28 | Hitachi Ltd | 集電装置の冷却装置 |
CN101320929A (zh) * | 2008-07-03 | 2008-12-10 | 无锡华申热工流体设备厂 | 倾斜式导流过滤装置 |
-
2009
- 2009-04-30 DE DE102009019295A patent/DE102009019295A1/de not_active Ceased
-
2010
- 2010-04-16 CN CN2010800186782A patent/CN102414963A/zh active Pending
- 2010-04-16 WO PCT/EP2010/002331 patent/WO2010124796A2/de active Application Filing
- 2010-04-16 US US13/264,735 patent/US20120098383A1/en not_active Abandoned
- 2010-04-16 EP EP10714208A patent/EP2425518A2/de not_active Withdrawn
- 2010-04-16 BR BRPI1014558A patent/BRPI1014558A2/pt not_active Application Discontinuation
- 2010-04-16 JP JP2012507620A patent/JP2012525811A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE512496C (de) * | 1927-03-05 | 1930-11-14 | Siemens Schuckertwerke Akt Ges | Belueftungseinrichtung fuer in einem Gehaeuse angeordnete Schleifringe elektrischer Maschinen |
DE2405884A1 (de) * | 1973-02-12 | 1974-09-05 | Hitachi Ltd | Kollektor fuer umlaufende elektrische maschinen |
GB1505806A (en) * | 1975-04-05 | 1978-03-30 | Meidensha Electric Mfg Co Ltd | Commutation arrangement for a dc machine |
JPS6333364U (de) * | 1986-08-13 | 1988-03-03 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020033691A1 (en) * | 2018-08-09 | 2020-02-13 | Abb Schweiz Ag | In-line bypass module and line drop compensating power converter |
Also Published As
Publication number | Publication date |
---|---|
WO2010124796A3 (de) | 2011-05-12 |
US20120098383A1 (en) | 2012-04-26 |
EP2425518A2 (de) | 2012-03-07 |
BRPI1014558A2 (pt) | 2016-04-19 |
CN102414963A (zh) | 2012-04-11 |
DE102009019295A1 (de) | 2010-11-11 |
JP2012525811A (ja) | 2012-10-22 |
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