WO2010025986A2 - Machine dynamoélectrique à système de refroidissement - Google Patents

Machine dynamoélectrique à système de refroidissement Download PDF

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Publication number
WO2010025986A2
WO2010025986A2 PCT/EP2009/059199 EP2009059199W WO2010025986A2 WO 2010025986 A2 WO2010025986 A2 WO 2010025986A2 EP 2009059199 W EP2009059199 W EP 2009059199W WO 2010025986 A2 WO2010025986 A2 WO 2010025986A2
Authority
WO
WIPO (PCT)
Prior art keywords
stator
recesses
rotor
kuhlschlauche
cooling
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.)
Ceased
Application number
PCT/EP2009/059199
Other languages
German (de)
English (en)
Other versions
WO2010025986A3 (fr
Inventor
Gerhard Dorr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of WO2010025986A2 publication Critical patent/WO2010025986A2/fr
Publication of WO2010025986A3 publication Critical patent/WO2010025986A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/10—Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
    • H02K9/12—Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing wherein the cooling medium circulates freely within the casing

Definitions

  • the invention relates to a dynamoelectric machine having a stator, a stator, which has a winding system which is arranged in axially extending grooves which point to an air gap, wherein the winding system forms winding heads on the front sides of the stator, a rotor adjacent to the grooves , which causes a rotation of the rotor by electromagnetic interaction ⁇ effect with the stator via the air gap, and a cooling jacket surrounding the stator.
  • DE 101 03 447 A1 discloses a cooled stander for an electric machine with a rotating rotor, which stander is formed with an electrical lamination stack and one or more flexibly moldable cooling ducts acting on the laminated core for flowing cooling medium in the liquid or gas phase. form, wherein the one or more Kuhlkanale is formed with one or more flexible metal rolling hoses.
  • a disadvantage of the presented solutions is that the production cost is relatively high and that the Laufer is not sufficiently cooled.
  • the object of the invention is to provide an efficient cooling system for a dynamoelectric machine, which, in a simple design, also has effective running cooling.
  • stator having a winding system arranged in axially extending slots facing an air gap, the winding system forming winding heads at the end faces of the stator, a rotor facing the slots, which is in electromagnetic interaction with the stator through the air gap causes a rotation of the rotor,
  • these recesses may already be present in the cooling jacket, so that the cooling hoses are completely surrounded by casting material in the region of the deflections or bends, at least to the outside. At least axially extending portions of this maanderformig extending Kuhlschlauche, so the straight portions of the recesses are open to the jerking of the stator and thus form part of a second Kuhlnikank, which is preferably formed as an inner closed air circuit.
  • the bends of the cooling hoses may also be free, i. be formed outside of their respective Kuhlmantels and thus form at the end faces of the Kuhlmantels, in the area over the winding heads of the stator an arrangement of luftumstromtem deflections.
  • the air circulates in any case within the dynamoelectric machine across the air gap and / or axial closed recesses in the rotor through the winding head to which ⁇ sen axially extending Vietnamesekuhlkanalen, which are in direct con ⁇ clock to the Kuhischlauchen the liquid cooling.
  • the cooled air passes the other winding head again when it leaves the jerk of the stator and thus closes the air cooling circuit.
  • a requirement of the cooling circuit succeeds in particular in that, for example, in the case of short-circuiting, the short-circuit rings are provided with air blades.
  • an additional Heiler on the shaft also provide the air flow of the air circuit.
  • the rotor is not only de-aired via the air gap, but at the same time cooled by its own cooling and its own Kuhlniklauf.
  • Another embodiment, in which the Kuhlschlauche not cast, results from the fact that in a Kuhlmantel made of metal with predetermined recesses, the Kuhlschlauche silicone or rubber or stainless steel corrugated hoses from ⁇ led Kuhlschlauche be imprinted or snapped into the Kuhlmantel.
  • the Lagerschiide also represent a source of heat, also provided on the end shields Kuhlrippen so as to be able to deliver as much heat as possible not only from the rotor or winding head but also from the camps to the Heilkuhlniklauf. This circulating inside air is over the
  • FIG. 1 shows a partial longitudinal section of a dynamoelectric machine
  • a rotor 4 is shown, which is embodied in this exemplary embodiment as a short-circuited conductor and has a short-circuit ring 13.
  • the rotor 4 is rotatably connected to a shaft 5. At least on one side of the rotor 4 is located on the short-circuit ring 13, one or more Lucaserflugel.
  • An air circuit 12 is now such that via an air gap 10, optionally supplemented by a Lauferkuhlkanal 8 an air flow through a Heilerflugel 14 or a separate arranged on the shaft 5 Beererflugel is effected on the bearing plate 7 and the winding over 3 sweeps, and the warmed up air via the air cooling channel 15 to the Kuhlschlauche 11 emits in the recesses 16.
  • the heat released in the fluid circuit of the cooling hoses 11 is recooled outside the dynamoelectric machine 1.
  • FIG. 2 shows, in a basic representation, the course of the cooling hoses 11 in the form of a maander.
  • these cooling hoses 11 can be designed as stainless steel corrugated hoses or as rubber or silicone hoses. Decisive is the easy processing, the simple flexibility for close

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

L'invention concerne une machine dynamoélectrique (1) comprenant un stator (2) pourvu d'un système d'enroulements placé dans des gorges s'étendant dans le sens axial et orientées vers un entrefer (10), le système d'enroulements formant des têtes de bobine (3) au niveau des faces frontales du stator (2), un rotor (4) opposé aux gorges, rotor (4) dont la rotation est provoquée par interaction électromagnétique avec le stator (2) par l'intermédiaire de l'entrefer (10), ainsi qu'une chemise de refroidissement (9) entourant le stator (2) sur le côté du stator (2) qui est opposé à l'entrefer (10), la chemise de refroidissement (9) étant pourvue d'évidements (16) s'étendant sensiblement axialement et renfermant des tuyaux de refroidissement (11), au moins certaines parties axiales de ces évidements (16) étant ouvertes en direction du dos (17) du stator (2).
PCT/EP2009/059199 2008-09-03 2009-07-17 Machine dynamoélectrique à système de refroidissement Ceased WO2010025986A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008045667A DE102008045667A1 (de) 2008-09-03 2008-09-03 Dynamoelektrische Maschine mit Kühlung
DE102008045667.5 2008-09-03

Publications (2)

Publication Number Publication Date
WO2010025986A2 true WO2010025986A2 (fr) 2010-03-11
WO2010025986A3 WO2010025986A3 (fr) 2010-07-01

Family

ID=41057543

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/059199 Ceased WO2010025986A2 (fr) 2008-09-03 2009-07-17 Machine dynamoélectrique à système de refroidissement

Country Status (2)

Country Link
DE (1) DE102008045667A1 (fr)
WO (1) WO2010025986A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010029986A1 (de) 2010-06-11 2011-12-15 Siemens Aktiengesellschaft Dynamoelektrische Maschine mit Luft-Flüssigkeitskühlung
DE102010039609A1 (de) * 2010-08-20 2012-02-23 Siemens Aktiengesellschaft Elektrischer Gondelantrieb für eine schwimmende Einrichtung mit interner Statorkühlung
FR3032654B1 (fr) * 2015-02-16 2018-05-25 Valeo Embrayages Module hybride pour vehicule automobile
FR3098361B1 (fr) * 2019-07-04 2021-06-25 Leroy Somer Moteurs Machine tournante électrique comportant un circuit interne de refroidissement du rotor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2414532A (en) * 1944-06-09 1947-01-21 Westinghouse Electric Corp Electrical machine
JPS5671041U (fr) * 1979-11-01 1981-06-11
JPS6146866U (ja) * 1984-08-29 1986-03-28 三菱電機株式会社 全閉外扇形回転電機
DE9107197U1 (de) 1991-06-11 1992-10-15 Siemens AG, 8000 München Elektrische Maschine
DE19651959A1 (de) 1996-12-13 1998-06-18 Siemens Ag Ständergehäuse eines Innenläufer-Motors
DE29707172U1 (de) * 1997-04-12 1997-06-12 Struckmeier GmbH Antriebstechnik, 65527 Niedernhausen Elektrische Maschine mit Fluidkühlung
US6617716B2 (en) * 2000-12-14 2003-09-09 Denso Corporation Rotary electric machine having stator coolant passage means
DE10103447A1 (de) 2001-01-25 2002-08-01 Baumueller Nuernberg Gmbh Wellschlauch-Ständerkühlung in einer elektrischen Maschine
JP3759097B2 (ja) * 2002-10-24 2006-03-22 ファナック株式会社 冷却ジャケット及び冷却ジャケットを装着した電動機

Also Published As

Publication number Publication date
DE102008045667A1 (de) 2010-03-04
WO2010025986A3 (fr) 2010-07-01

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