EP1157453A1 - Generatrice de courant continu electrique - Google Patents

Generatrice de courant continu electrique

Info

Publication number
EP1157453A1
EP1157453A1 EP00910728A EP00910728A EP1157453A1 EP 1157453 A1 EP1157453 A1 EP 1157453A1 EP 00910728 A EP00910728 A EP 00910728A EP 00910728 A EP00910728 A EP 00910728A EP 1157453 A1 EP1157453 A1 EP 1157453A1
Authority
EP
European Patent Office
Prior art keywords
sliding contacts
rotor
direct current
commutator
commutators
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Withdrawn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
EP00910728A
Other languages
German (de)
English (en)
Inventor
Helmut Schiller
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1157453A1 publication Critical patent/EP1157453A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
    • H02K23/26—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by the armature windings
    • H02K23/36—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by the armature windings having two or more windings; having two or more commutators; having two or more stators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
    • H02K13/006—Structural associations of commutators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
    • H02K13/10—Arrangements of brushes or commutators specially adapted for improving commutation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
    • H02K23/54—Disc armature motors or generators

Definitions

  • the invention relates to an electrical direct current machine with a rotor rotatably mounted in a housing, which has a plurality of electromagnets arranged at a distance from the axis of rotation, each with a coil winding on a coil core carrying one or more electrical conductors, the ends of the the coil-forming electrical conductors, each with associated contact elements, which together form a first commutator, are electrically conductively connected to a contact surface, on which sliding contacts that can be connected to at least one direct current source or at least one direct current consumer are pressed, and at uniform angular intervals pole faces of permanent magnets arranged on the inside of the housing end walls and opposite the end faces of the coil cores, each with opposite polarity successively opposite in the circumferential direction, each coil core with the associated
  • the coil winding forms a separately manufactured electromagnet component, which is held in a hub carrier which is connected to the shaft of the rotor in a rotationally fixed manner, the pole faces of the permanent magnets in the circumferential
  • Neten contact elements cover and in each case a pair of sliding contacts connected to the direct current source or the direct current consumer offset in the circumferential direction is provided a further pair of sliding contacts connected in reverse polarity to the direct current source (s) or direct current consumer and others a second commutator-forming double pairs of commutator sliding contacts with successively reversed polarity are provided connectable to the direct current source (s) or direct current consumer.
  • Such a DC machine (DE 197 21 215 AI) was developed by the applicant in a further embodiment of an older DC machine (DE 196 20 291 C2). In the known DC machines, they are considered to be parallel to
  • Rotor rotating axis of spring-loaded carbon brushes designed sliding contacts are arranged in opposite front housing covers and are printed on the front wall facing end edges of the radial sections of the conductor strips forming the winding of the electromagnet components, which thus form the two commutators.
  • the invention has for its object to develop the known DC machine so that it provides an even higher performance with a simplified structure.
  • this task is triggers that the first and the second commutator in the axial direction to the rotor and axially offset from one another are arranged on the rotor shaft in such a way that their contact surfaces assigned to the sliding contacts each lie radially outward on cylindrical enveloping surfaces, and that those measured in the axial direction
  • the width of the sliding contacts is selected so that they are pressed simultaneously on the contact surfaces of the two commutators adjacent in the axial direction.
  • sliding contacts that can be used jointly due to their width are provided here for the two commutators, ie the number of (widened) sliding contacts is halved.
  • the configuration is preferably such that the contact surfaces of the two commutators are each connected to coil windings of the electromagnet components of the rotor which are offset from one another in the circumferential direction of the rotor.
  • two groups of electromagnet components that are offset in the circumferential direction from one another are simultaneously supplied or discharged with direct current via each sliding contact.
  • the offset of the contact surfaces of the contact elements of the two commutators is selected in the circumferential direction at least by the amount of the angular distance between two permanent magnets which follow one another in the circumferential direction in the housing.
  • the two commutators are expediently arranged on the rotor shaft outside the end faces of the housing supporting the rotor. This makes it possible to shield the magnetic and electromagnetic part of the motor against the commutators, thus avoiding negative influences from electromagnetic fields in the area of the commutators.
  • the commutators are arranged on the end wall outside the housing, it is then advisable to arrange the two commutators in a separate cover provided on the housing on the end wall, the holder for the sliding contacts then also being able to be provided in or on the cover.
  • the commutators and sliding contacts are thus protected against environmental influences and, on the other hand, are easily accessible for maintenance purposes.
  • the cover and the associated end wall of the space formed in the housing can also be ventilated by attaching suitable ventilation openings in the cover, as a result of which abrasion of the sliding contacts (carbon brushes) and / or the commutator contact surfaces can be dissipated.
  • a cooling effect can be achieved, which can be formed by designing the hub area of the commutators as a fan wire or by an additional fan wheel within the cover so that the optimum temperatures for the commutator function prevail inside the cover.
  • Figure 1 is a longitudinal central section through a schematically illustrated DC machine according to the invention.
  • Fig. 2 is a view of the commutator
  • Fig. 3 is a view corresponding to the representation of Fig. 2 of a second Embodiment of a DC machine according to the invention.
  • FIG. 10 an embodiment of a DC machine according to the invention, designated in its entirety by 10, is shown in a schematic representation, which can be used as a motor and as a generator.
  • the machine 10 has a housing 12 which is relatively short in the axial direction in the special case and which is composed of two disk-like housing end walls 14a, 14b of relatively large diameter and the actual housing peripheral wall 16 which is practically converted into a cylindrical ring of relatively short length.
  • Housing end walls 14a, 14b and housing peripheral wall 16 are detachably connected to one another by housings or other fastening means (not shown).
  • through-openings 15a, 15b are provided in the center, which are configured in their interior area to have enlarged diameter bearing housings 20 for radial bearings 22, in which a shaft 24 passing through the through-openings 15a, 15b is rotatably mounted.
  • This shaft 24 carries the rotor 26 which is held on it in a manner fixed against relative rotation.
  • permanent magnets 28 are arranged at uniform angular distances radially outward as far as possible with the same radius with respect to the center axis of the housing.
  • the end walls 14a, 14b may each carry a total of twelve permanent magnets 28, which successively have opposite polarities in the circumferential direction.
  • the rotor 26 has a multiplicity of electromagnet components 30 initially produced as separate individual components, each of which has a coil core 32 designed as a disk made of soft magnetic material, via which a coil winding with several turns Nes metal wire are wound, which is suitably made of an electrically highly conductive copper alloy.
  • the metal wire is insulated from the coil core and adjacent components 30 in the area forming the winding on the coil core in the usual way - for example by a non-conductive coating.
  • the coil core 32 for its part is constructed from mutually insulated and packed transformer sheets for largely suppressing eddy currents.
  • each electromagnet component 30 The ends, not shown, of the metal wire forming the coil winding 34 of each electromagnet component 30 are guided radially inwards in the direction of the shaft and through a hub carrier 38 holding the electromagnet components to two in FIG. 1 on the left, from the end wall 14b led out end of the shaft 24 axially adjacent arranged commutators 18a, 18b.
  • Fig. 1 the connection of the contact elements of the commutators with two coils 34 of electromagnetic components 30 through the hub carrier 38 is indicated by dashed lines.
  • the electromagnet components 30 are held on the hub carrier by means of annular disks 36 made of electrically non-conductive material which hold the components 30 on opposite sides and which are fastened in a suitable manner to the hub carrier 38.
  • the commutators 18a, 18b are formed by a number, corresponding to the number of ends of the metal wires forming the coil winding 34, of successively electrically insulated contact elements 40 in the circumferential direction, which are arranged concentrically to the shaft 24, and their radially outer Form a common cylindrical envelope boundary surfaces contact surfaces 44 for sliding contacts 42, 50, to which a direct current source or a direct current consumer is not shown in the drawings is connected.
  • the commutators 18a, 18b are formed by a number, corresponding to the number of ends of the metal wires forming the coil winding 34, of successively electrically insulated contact elements 40 in the circumferential direction, which are arranged concentrically to the shaft 24, and their radially outer Form a common cylindrical envelope boundary surfaces contact surfaces 44 for sliding contacts 42, 50, to which a direct current source or a direct current consumer is not shown in the drawings is connected.
  • Sliding contacts 42, 50 are in a special case in a manner known per se by electrically conductive carbon brushes forms, which - in the manner illustrated in FIG. 2 - are arranged so as to be radially displaceable in brackets 46, which may be fastened on the outside of the end wall 14b of the housing 12.
  • the carbon brushes are pressed against the contact surfaces 44 by springs 48 which are under prestress.
  • the contact elements 40 are each connected in a manner not shown to an end section of the metal wire forming the coil winding 34 of the associated electromagnet component 30, groups of electromagnet components staggered in the circumferential direction from one another alternately to the commutators 18a and 18b are connected.
  • the commutators 18a arranged on the end of the shaft 24 leading out of the end wall 14b of the housing;
  • cover 52 which is only indicated schematically in FIG. 1 and which encloses the entire commutator arrangement in a space formed between the cover 52 and the outer end face of the end wall 14b.
  • the cover 52 is expediently designed to be easily detachably attachable to the end wall 14b.
  • commutator arrangement is to be ventilated for the purpose of cooling or also blowing out abrasion
  • corresponding ventilation openings can also be provided in the cover, additional measures also not shown in the drawing, for example the arrangement of a ventilation system Forced ventilation of the shaft 24 rotating fan wheel can also be implemented in the cover.
  • FIG. 3 An exemplary embodiment of the DC machine 10 according to the invention which is simplified with regard to the number of sliding contacts 42, 50 pressed onto the contact surfaces 44 of the contact elements 40 is illustrated in FIG. 3, which corresponds to the illustration in FIG. 2.
  • brackets 46 for four contact pairs in the exemplary embodiment according to FIG. 2
  • only two brackets 46 are provided here for one contact pair.
  • the contact elements 40 in FIG. 3 are each electrically connected in the manner indicated by the lines 56, only the electrical connection being shown in the drawing. fertilizing of four contact elements of the commutator is shown. It can be seen that in this exemplary embodiment, the brackets 46, which are only shown in broken lines in FIG.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc Machiner (AREA)
  • Motor Or Generator Current Collectors (AREA)

Abstract

L'invention concerne une génératrice de courant continu électrique (10) qui comprend un rotor (26) monté rotatif dans un carter (12), qui présente une pluralité d'électro-aimants disposés à une certaine distance de l'axe de rotation, avec chacun un enroulement de bobine (34) placé sur un noyau de bobine (32) portant au moins un conducteur électrique. Les extrémités des conducteurs électriques formant une bobine sont, avec les éléments de contact formant ensemble un premier collecteur (18a), reliées, de façon électroconductrice, chacune à une surface de contact, sur laquelle sont pressés des contacts frotteurs qui peuvent être raccordés à au moins une source de courant continu ou à un consommateur de courant continu. Le premier et le second collecteur (18a, 18b) sont disposés, dans le sens axial par rapport au rotor (26) et, tout en étant décalés axialement, sur l'arbre de rotor (24), de telle sorte que leurs surfaces de contact associées aux contacts frotteurs (42; 50) s'étendent radialement vers l'extérieur, les unes à côté des autres, sur les surfaces enveloppes cylindriques, la largeur des contacts frotteurs mesurée dans le sens axial étant définie de façon qu'ils puissent être simultanément pressés sur les surfaces de contact des deux collecteurs (18a; 18b), voisines dans le sens axial.
EP00910728A 1999-03-05 2000-02-28 Generatrice de courant continu electrique Withdrawn EP1157453A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29903907U 1999-03-05
DE29903907U DE29903907U1 (de) 1999-03-05 1999-03-05 Elektrische Gleichstrom-Maschine
PCT/EP2000/001670 WO2000054396A1 (fr) 1999-03-05 2000-02-28 Generatrice de courant continu electrique

Publications (1)

Publication Number Publication Date
EP1157453A1 true EP1157453A1 (fr) 2001-11-28

Family

ID=8070305

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00910728A Withdrawn EP1157453A1 (fr) 1999-03-05 2000-02-28 Generatrice de courant continu electrique

Country Status (5)

Country Link
EP (1) EP1157453A1 (fr)
JP (1) JP2002539748A (fr)
CN (1) CN1345477A (fr)
DE (1) DE29903907U1 (fr)
WO (1) WO2000054396A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE49413E1 (en) 2007-07-09 2023-02-07 Clearwater Holdings, Ltd. Electromagnetic machine with independent removable coils, modular parts and self-sustained passive magnetic bearing

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004062069A1 (fr) * 2003-01-02 2004-07-22 Joseph Ronald Segal Moteur electrique
US10505412B2 (en) 2013-01-24 2019-12-10 Clearwater Holdings, Ltd. Flux machine
CN103280940B (zh) * 2013-05-27 2016-09-28 任宝全 一种动电机及电动车
WO2019050772A1 (fr) 2017-09-08 2019-03-14 Clearwater Holdings, Ltd. Systèmes et procédés d'amélioration de stockage d'électricité
WO2019084568A1 (fr) 2017-10-29 2019-05-02 Clearwater Holdings, Ltd. Machines électromagnétiques modulaires et leurs procédés d'utilisation et de fabrication
KR101967141B1 (ko) * 2017-12-28 2019-04-09 주식회사 나스켐 휴대용 자가발전 장치 및 이를 구비한 모듈

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1375231A (fr) * 1963-09-04 1964-10-16 Electronique & Automatisme Sa Machine électrique tournante perfectionnée
GB1149857A (en) * 1965-04-28 1969-04-23 Lucas Industries Ltd Alternators
BE525532A (fr) * 1974-01-11
AT338374B (de) * 1975-12-29 1977-08-25 Retobobina Handelsanstalt Motor-generator-anordnung
DE2904904A1 (de) * 1979-02-09 1980-08-21 Bosch Gmbh Robert Gleichstrommotor
EP0580208B1 (fr) * 1992-07-20 1996-10-02 General Motors Corporation Procédure de fabrication de parties magnétiques d'un rotor
DE4324256A1 (de) * 1993-07-20 1995-01-26 Braun Ag Kommutatormotor
DE19721215A1 (de) * 1996-05-21 1998-11-26 Helmut Schiller Elektrische Gleichstrom-Maschine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0054396A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE49413E1 (en) 2007-07-09 2023-02-07 Clearwater Holdings, Ltd. Electromagnetic machine with independent removable coils, modular parts and self-sustained passive magnetic bearing

Also Published As

Publication number Publication date
CN1345477A (zh) 2002-04-17
DE29903907U1 (de) 2000-07-13
JP2002539748A (ja) 2002-11-19
WO2000054396A1 (fr) 2000-09-14

Similar Documents

Publication Publication Date Title
DE3904516C1 (fr)
EP0894360B1 (fr) Machine electrique a courant continu
EP0342554B1 (fr) Machine électrique avec refroidissement à liquide
DE3427677C2 (fr)
DE2622585C2 (fr)
EP3078099B1 (fr) Stator pour moteur à courant continu à commutation électronique
DE112009002090T5 (de) Drehende eletrische Maschine
DE69826907T2 (de) Elektromotor
DE10153578B4 (de) Wechselstromgenerator für Fahrzeuge mit Permanentmagneten im Rotor und Verfahren zur Herstellung desselben
EP1157453A1 (fr) Generatrice de courant continu electrique
DE3009470C2 (de) Entladungswiderstand
DE69011937T2 (de) Bürstenanordnung für einen Gleichstrommotor.
DE2913844C2 (de) Nutisolierung für den Rotor einer elektrischen Maschine
DE19917059A1 (de) Dynamoelektrische Maschine und Verfahren zu deren Herstellung
DE1763317C3 (de) Scheibenläufermotor
EP2975745B1 (fr) Moteur a courant continu
EP3706287A1 (fr) Empilage de tôles d'un stator
DE3728868B4 (de) Elektromotor mit relativ zueinander drehbar und axial verschiebbar gelagertem Rotor und Stator
DE19956367A1 (de) Heteropolar erregte Reluktanzmaschine
DE102021108979A1 (de) Elektrische Axialflussmaschine
EP1231703A2 (fr) Machine unipolaire
DE913939C (de) Abwaelzkontakt
DE69738598T2 (de) Magnetische Kreisstruktur mit niedriger Ankerrückwirkung für eine Gleichstrommaschine
DE19721215A1 (de) Elektrische Gleichstrom-Maschine
DE10056875A1 (de) Rotor für eine elektrische Maschine

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20010818

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20030117