EP2332233A1 - Procédé et dispositif de fabrication d'un rotor pour une machine électrique et utilisation de celui-ci - Google Patents

Procédé et dispositif de fabrication d'un rotor pour une machine électrique et utilisation de celui-ci

Info

Publication number
EP2332233A1
EP2332233A1 EP09778873A EP09778873A EP2332233A1 EP 2332233 A1 EP2332233 A1 EP 2332233A1 EP 09778873 A EP09778873 A EP 09778873A EP 09778873 A EP09778873 A EP 09778873A EP 2332233 A1 EP2332233 A1 EP 2332233A1
Authority
EP
European Patent Office
Prior art keywords
rotor
fiber
main body
rotor main
shaft
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Withdrawn
Application number
EP09778873A
Other languages
German (de)
English (en)
Inventor
Bernd Schottdorf
Franz Weissgerber
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.)
Pro Diskus AG
Original Assignee
Pro Diskus AG
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 Pro Diskus AG filed Critical Pro Diskus AG
Publication of EP2332233A1 publication Critical patent/EP2332233A1/fr
Withdrawn legal-status Critical Current

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
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2793—Rotors axially facing stators
    • H02K1/2795—Rotors axially facing stators the rotor consisting of two or more circumferentially positioned magnets
    • 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
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
    • 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
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
    • 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
    • H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines

Definitions

  • Electric machines both in the form of electric motors and generators, are increasingly being used in areas of alternative power generation and supply.
  • conventional electrical machines u.a. due to size, weight and efficiency in many cases not suitable.
  • a matrix may be selected, for example, from the group of thermosets (for example unsaturated polyester resins, vinyl ester resins, epoxy resins) or from the group of thermoplastics (for example polypropylene, polyamide, polyethylene terephthalate, polyphenylene sulfide, polyether ether ketone).
  • thermosets for example unsaturated polyester resins, vinyl ester resins, epoxy resins
  • thermoplastics for example polypropylene, polyamide, polyethylene terephthalate, polyphenylene sulfide, polyether ether ketone
  • Fig. 13 is a flow chart for various components
  • Fig. 14 is a diagram according to the prior art Fig. 15 an electric machine
  • the rotor main body may include one or a plurality of centrally disposed to the center of the rotor main body shots.
  • the rotor may comprise a plurality of , magnets which are arranged in at least one of the receptacles, wherein at least two magnets are arranged in at least one of the receptacles.
  • at least one of the magnets is a permanent magnet.
  • At least one fiber for the fiber composite material may be designed to be laid in / on a forming means. It can also be provided that semifinished product comprising fiber composite material is used to form the rotor main body. Preferably, at least one fiber for the fiber composite material is designed such that it is placed in / on a shaping means.
  • the invention also provides for the use of the rotor in an electric machine as a drive for an air, water or land vehicle or as a generator in a power generating device.
  • the mounting flange may be configured to transmit torque from the rotor main body to the shaft disposed on the mounting flange. This allows e.g. an assembly of preferably interconnected components, the components comprising the rotor main body, the mounting flange and the shaft.
  • the at least one fiber towards the center of the rotor can form a thickening.
  • a natural thickening towards the center of the rotor is produced.
  • the thickening can form a mounting flange.
  • the receptacles are also formed circular or oval, so you do not from Pages can speak. In these cases, part of the circumference is left free.
  • the at least one fiber extends around at least two locations of the rotor main body, wherein a location comprises a receptacle, a central shaft receptacle, a flange hole or a specific area of the rotor main body.
  • the at least one fiber comprises an endless fiber and / or piecewise thickening fibers.
  • the continuous fiber has the advantage that it is easy to work as a wound starting material. additionally Thickening fibers allow the manufacture of a rotor main body with a constant and uniform thickness.
  • Hub form a mounting flange or shaft connection.
  • Diffusely arranged fibers advantageously allow rapid and inexpensive processing, since no intermediate step for aligning or deliberately arranging the fibers is necessary.
  • the merging of the fibers with the matrix takes place either before introduction into the negative mold as a fiber mixture or the diffusely arranged fibers are brought together after introduction into the negative mold with a liquid matrix.
  • the fiber composite material and / or the fiber may comprise carbon.
  • Carbon is a particularly light and durable material that can form many forms as fiber material and through interaction with a
  • the material of the negative mold also has fiber composite material and in particular carbon.
  • An electric machine can be a stator and a
  • Rotor comprising the rotor main body according to one of the above solutions.
  • an electric machine is a disc rotor Electric motor / generator with permanently energized rotor and serves as a drive for an air, water or
  • the rotor main body 402 has rectangular recesses as shown in FIG 406, of which one can be seen in the sectional view above the symmetry line.
  • the cover layers 412, 414 cover the rectangular receptacles 406 and optionally arranged therein magnets, of which in the sectional view, a magnet 420 is visible.
  • the bearings 1012, 1014 realize a radial bearing of shaft 1002.
  • a magnetic bearing is preferably provided for the axial bearing of the rotor 1004.
  • further magnets 1030 and 1032 are arranged both on or in the rotor 1004 and on or in the stator.
  • the magnets 1030 mounted centrally on or in the rotor 1004 and the stationary magnets 1032 arranged correspondingly to these in the vicinity of the rotor 1004 act on one another in an attractive and / or repulsive manner.
  • Fig. 11 shows a negative mold 1100 for rotor production.
  • the female mold 1100 is designed along a longitudinal section mirror symmetrical to the axis of symmetry 1102 and has a negative mold outer edge 1104, a carbon fiber recess 1106, the receptacles 202 (of Fig. 2) corresponding pins 1108, a carbon fiber recess 1106 and the mounting flange holes 204 (of Fig. 2) corresponding pins 1110 on.
  • Disposed in the center of the female mold 1100 is a washer 1112 corresponding to the shaft passage 206 (of Fig. 2).
  • Negative mold closing lid (not shown) to be completed.
  • Fig. 12 shows a negative mold 1200 for rotor production.
  • the negative mold 1200 is shown in cross section in FIG.
  • carbon fibers 1202 are shown lying in the negative mold 1200, also shown in cross-section.
  • the location and orientation of the carbon fibers 1202 in the negative mold 1200 is merely qualitative.
  • the carbon fibers 1202 may have any position and orientation in the negative mold 1200.
  • the negative mold 1200 is symmetrical to the axis 1204, so that only one half of the negative mold 200 is explained in more detail.
  • the negative mold comprises
  • Pin 1208 are integrally formed with the negative mold 1200. The remaining space between the pins
  • Fig. 13 shows a flow chart for a rotor manufacturing process.
  • the flowchart provides four alternative procedures for making a rotor main body 1300 consisting of only carbon fiber composite material.
  • Process 1302 includes the sequential steps of placing carbon fiber into a negative mold 1304, introducing epoxy resin into the negative mold carbon fiber 1306, and curing 1308 the carbon fiber and epoxy resin mixture at a predetermined pressure P H and a predetermined temperature T H
  • the process flow 1310 includes the step of milling and drilling a plate-like carbon fiber composite semi-finished product 1312 so that the rotor main body is formed.
  • Process 1314 includes the sequential steps of laminating fiber prepreg 1316 into a negative mold and curing 1318 the fiber prepreg at a predetermined pressure P H and a predetermined temperature T H.
  • FIG. 16 shows a hybrid system.
  • the device Ml represents a motor-generator device according to one of the aforementioned embodiments.
  • motor M2 is a conventional internal combustion engine or comparable.
  • the torques of the two motor-acting devices Ml and M2 are summed in a planetary gear 1602 and output from the hybrid system.
  • a vehicle drive may be implemented which, upon braking the vehicle, feeds kinetic energy back into a battery 1702 and selectably converts electrical energy of the battery 1702 into kinetic energy.
  • a rotor-shaft arrangement of the motor-generator device can be designed so that drive and brake slip by elastic longitudinal pins allow soft starting and braking in the hybrid system and provided by the elastic longitudinal pins damping behavior of a backward non-constant rotation of the internal combustion engine via the planetary gear 1502 prevented on the motor-generator device.
  • Hybrid drive optionally when braking the vehicle

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un rotor (104; 500; 700; 904; 1004; 1508, 1510, 1512) constitué de matériau composite renforcé par des fibres comprenant un corps principal de rotor (104; 200; 402; 502; 600; 802; 1300) pour une machine électrique (100; 800; 1000; 1500), qui comprend les étapes suivantes: regroupement des fibres d'un matériau de fibre avec une matrice en un mélange de fibres (1322), introduction du mélange de fibres avec les fibres disposées de manière diffuse dans une forme négative (1304, 1316, 1324) correspondant à la forme du corps principal de rotor, durcissement du mélange de fibres (1308, 1318, 1326) en un corps principal de rotor (200; 402; 502; 600; 802; 1300), le mélange de fibres étant chauffé par une source de micro-ondes. L'invention concerne également une forme négative pour la fabrication du rotor et une utilisation du rotor dans une machine électrique.
EP09778873A 2008-10-08 2009-10-08 Procédé et dispositif de fabrication d'un rotor pour une machine électrique et utilisation de celui-ci Withdrawn EP2332233A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008050802A DE102008050802A1 (de) 2008-10-08 2008-10-08 Verfahren und Vorrichtung zur Herstellung eines Rotors für eine elektrische Maschine sowie Verwendung desselben
PCT/EP2009/007242 WO2010040536A1 (fr) 2008-10-08 2009-10-08 Procédé et dispositif de fabrication d'un rotor pour une machine électrique et utilisation de celui-ci

Publications (1)

Publication Number Publication Date
EP2332233A1 true EP2332233A1 (fr) 2011-06-15

Family

ID=41664653

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09778873A Withdrawn EP2332233A1 (fr) 2008-10-08 2009-10-08 Procédé et dispositif de fabrication d'un rotor pour une machine électrique et utilisation de celui-ci

Country Status (3)

Country Link
EP (1) EP2332233A1 (fr)
DE (1) DE102008050802A1 (fr)
WO (1) WO2010040536A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2994037A1 (fr) * 2012-07-25 2014-01-31 Whylot Bobinage pour un element stator ou rotor d'un moteur a aimants permanents
FR3014255B1 (fr) * 2013-12-02 2016-01-01 Renault Sas Rotor discoide a structure composite renforcee pour machine electrique a flux axial

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2471072A1 (fr) * 1979-12-05 1981-06-12 Mavilor Procede et moyens de montage et de moulage des rotors de moteurs electriques, et les rotors obtenus selon le procede
JP2632803B2 (ja) * 1986-03-03 1997-07-23 ポリプラスチックス 株式会社 電動機ローター
US4835840A (en) 1986-06-16 1989-06-06 General Electric Company Method of making an improved disc rotor assembly
DE4442869C2 (de) * 1994-12-02 1997-07-31 Fichtel & Sachs Ag Läufer für eine elektrische Maschine und Verfahren zur Herstellung eines solchen
ES2197874T5 (es) * 1999-08-09 2008-12-01 Perm Motor Gmbh Maquina electrica de flujo axial.
US6486575B2 (en) * 2001-01-16 2002-11-26 Mark Lee Miller Molded rotor blocking and other molded articles of manufacture
DE102006036707B3 (de) 2006-08-05 2008-02-28 Marquardt, Rainer, Prof.-Dr.-Ing. Trägheitsarmer Direktantrieb
DE102007047715A1 (de) * 2007-10-05 2009-04-09 Robert Bosch Gmbh Rotor, für eine elektrische Maschine sowie elektrische Maschine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010040536A1 *

Also Published As

Publication number Publication date
DE102008050802A1 (de) 2010-04-15
WO2010040536A1 (fr) 2010-04-15

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