EP0984529B1 - Commutateur à crochets pour une machine électrique - Google Patents

Commutateur à crochets pour une machine électrique Download PDF

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Publication number
EP0984529B1
EP0984529B1 EP99117118A EP99117118A EP0984529B1 EP 0984529 B1 EP0984529 B1 EP 0984529B1 EP 99117118 A EP99117118 A EP 99117118A EP 99117118 A EP99117118 A EP 99117118A EP 0984529 B1 EP0984529 B1 EP 0984529B1
Authority
EP
European Patent Office
Prior art keywords
commutator
hook
sliding surface
brush sliding
plane
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.)
Expired - Lifetime
Application number
EP99117118A
Other languages
German (de)
English (en)
Other versions
EP0984529A2 (fr
EP0984529A3 (fr
Inventor
Thomas Drexlmaier
Gerd Dipl.-Ing. Hartel
Norbert Dipl.-Ing. Heim
Michael Dipl.-Ing. König
Harald Dipl.-Ing. Redelberger
Theo Weiler
Viktor Skutschik
Michael Wagner
Christian Wiedemann
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
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of EP0984529A2 publication Critical patent/EP0984529A2/fr
Publication of EP0984529A3 publication Critical patent/EP0984529A3/fr
Application granted granted Critical
Publication of EP0984529B1 publication Critical patent/EP0984529B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/04—Commutators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/32—Connections of conductor to commutator segment

Definitions

  • the invention relates to a hook commutator for an electrical machine according to claim 1.
  • commutators of a known type (DE-A-3 308 658), they are used for energizing provided brushes to be ground over the lamellae Distributed outer circumference of an insulating material hub with which the commutator is held on a rotor shaft.
  • the slats are on its radial inside, preferably in one piece molded claws, in the molding compound of the insulating hub anchored.
  • each one axial end they go Slats on the edge of the actual brush grinding surface in Commutator hooks over, initially from the brush grinding plane or anchoring level so that them with at least one winding wire across the commutator to be energized rotor winding and the then with the winding wire in the direction the level of the brush grinding surface or anchoring level are bent so that the unbent commutator hook with the threaded ends of the winding part of the axial Determine the extent of the entire hook and slat arrangement.
  • the axial length that can be used for a brush grinding surface may be further restricted by the fact that for manufacturing processing necessary calibration tool not until immediately is in front of the commutator hook.
  • the manufacture is simple the axial installation of the commutator and thus the axial one Total size of the electrical equipped with the hook commutator Machine can be reduced in a simple manner; such more compact electrical without reducing engine power Machines are particularly suitable for lifting hydraulic pumps in automotive anti-lock braking systems.
  • the inventive design of a hook commutator can the entire free end of the bent hook end as Brush grinding surface used and thus constant otherwise remaining engine power around the electrical machine the axial length can be shortened, which is known Case for fixing and contacting the winding wire to the axially adjoining lamella and for processing the brush grinding surface is necessary.
  • the brush grinding surface is expediently located according to the invention formed from the free ends of the commutator hook Slats parallel radially to an anchoring level which can be anchored to the commutator hook on the circumference of the insulating material hub are, initially from the anchorage level protruding free ends after wrapping at least one Winding wire in the parallel brush grinding surface below simultaneous definition of the winding wire are folded or bent.
  • FIG. 1 shows a conventional commutator with an insulating material hub 8 and a radially inner rotor shaft opening 8.1 for connection to a rotor shaft, not shown here an electrical machine; on the outer circumference of the insulating material hub 8 are distributed over the circumference in the tangential direction axially extending slats insulated from each other, of which two slats 9, 10 are shown in section are.
  • the slats 9, 10 are formed on barbs in the insulating material hub 8 and are anchored by brushes 4; 5 in the area of their brush grinding surface 4.1; 5.1 when the Ground the rotor shaft in the circumferential direction.
  • Commutator hooks 2, 3 are in one anchoring level 2.2; 3.2 on the circumference of an insulating material hub 1 with a rotor shaft opening 1.1 anchored via barbs 2.3; 2.4 or 3.3; 3.4 and are each at their other free ends as a lamella 2.1; 3.1 trained. In FIG 2 this is shown as a lamella 2.1; 3.1 trained free end of the commutator hooks 2; 3 so at an angle to the anchoring plane 2.2; 3.2 that simple Way a winding wire 6; 7 for fixing and contacting with the respective lamella 2; 3 - as shown in FIG 3 - is loopable.
  • the lamellae 2.1; 3.1 are expediently provided free ends of the commutator hooks 2, 3 are formed or have such an axial length that as a brush grinding surface 4.1; 5.1 of the brushes 4; 5 the entire axial length the insulating hub 1 can be used; this way and Way can with otherwise the same data of the electrical machine the axial outside installation space of the commutator Shorten length, which in the known case according to FIG only the winding wire fixation and winding wire contacting serving commutator hooks 9.1; 10.1 and for one minimum safety distance required when turning off the brush grinding surface the commutator hook 2; 3 is specified; such a safety distance is - as from the illustration 4 can be seen - not necessary according to the invention, since the winding wire 6; 7 radially below the brush grinding surface 4.1; 5.1 fixable and the slats 2.1; 3.1 are rotatable over their entire axial length.
  • a formed by the invention as lamellae and bent free ends of the commutator hooks may resulting slight radial enlargement of the installation space and thereby u.U. necessary shortening of the brushes when required after a constant radial width, this has a particular effect then not off if the commutator is only for a short-time operation electric motor drive to be used, in particular as a hydraulic pump drive for an anti-lock braking system, is provided.

Landscapes

  • Motor Or Generator Current Collectors (AREA)

Claims (5)

  1. Commutateur à crochets pour une machine électrique,
    comprenant des lamelles réparties sur le pourtour du commutateur et pouvant être frottées par des balais (4 ; 5) sur une surface (4.1 ;5.1) de frottement des balais ;
    comprenant des crochets (2 ; 3) de commutateur, qui sont issus, du côté du bord tourné vers la surface (4.1 ;5.1) de frottement des balais et d'un plan (2.2 ; 3.2) d'ancrage des lamelles dans le commutateur, respectivement des lamelles et qui sont destinés à recevoir au moins un fil (6 ; 7) d'enroulement,
    avec une constitution des crochets (2 ; 3) de commutateur telle qu'ils sont constitués, par des extrémités libres en saillie du plan (2.2 ; 3.2) d'ancrage, sous la forme de lamelles (2.1 ;3.1) pouvant être frottées par les balais (4 ;5) et qu'ils sont mis dans le plan de la surface (4.1 ; 5.1) de frottement des balais.
  2. Commutateur à crochets suivant la revendication 1,
    comprenant respectivement, pour la réception et notamment pour l'enroulement du au moins un fil (6 ; 7) d'enroulement, des crochets (2 ; 3) de commutateur pouvant être recourbés dans le plan de la surface (4.1 ; 5.1) de frottement des balais.
  3. Commutateur suivant la revendication 1 et/ou 2,
    comprenant un plan de la surface (4.1 ; 5.1) de frottement des balais prévu sensiblement parallèle au plan (2.2 ; 3.2) d'ancrage.
  4. Commutateur suivant au moins l'une des revendications 1 à 3,
    ayant respectivement une constitution d'extrémité libre des crochets (2 ; 3) du commutateur au sens d'une lamelle (2.1 ; 3.1) ayant une surface (4,1; 5.1) de frottement des balais recouvrant radialement le logement du fil (6 ; 7) d'enroulement.
  5. Commutateur suivant au moins l'une des revendications 1 à 4,
    ayant respectivement une constitution d'extrémité libre des crochets (2 ; 3) de commutateur au sens d'une lamelle (2.1 ; 3.1) ayant une surface (4.1 ; 5.1) de frottement des balais s'étendant sur toute la longueur axiale du commutateur.
EP99117118A 1998-09-02 1999-08-31 Commutateur à crochets pour une machine électrique Expired - Lifetime EP0984529B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19839989A DE19839989C2 (de) 1998-09-02 1998-09-02 Haken-Kommutator für eine elektrische Maschine
DE19839989 1998-09-02

Publications (3)

Publication Number Publication Date
EP0984529A2 EP0984529A2 (fr) 2000-03-08
EP0984529A3 EP0984529A3 (fr) 2001-03-14
EP0984529B1 true EP0984529B1 (fr) 2002-01-16

Family

ID=7879563

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99117118A Expired - Lifetime EP0984529B1 (fr) 1998-09-02 1999-08-31 Commutateur à crochets pour une machine électrique

Country Status (3)

Country Link
EP (1) EP0984529B1 (fr)
DE (2) DE19839989C2 (fr)
ES (1) ES2172278T3 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3781981A (en) * 1972-02-28 1974-01-01 Nippon Denko Method for making armature-commutator assembly having armature winding of very small diameter
GB1506386A (en) * 1974-03-12 1978-04-05 Scott G & Co Ltd Commutators
JPS63164362U (fr) * 1987-04-14 1988-10-26
JP2904623B2 (ja) * 1990-11-30 1999-06-14 アスモ株式会社 小型電動機用整流子及びその製造方法
DE19654381A1 (de) * 1996-12-24 1998-06-25 Mannesmann Vdo Ag Elektromotor

Also Published As

Publication number Publication date
DE19839989A1 (de) 2000-03-16
DE19839989C2 (de) 2000-11-02
EP0984529A2 (fr) 2000-03-08
ES2172278T3 (es) 2002-09-16
EP0984529A3 (fr) 2001-03-14
DE59900618D1 (de) 2002-02-21

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