EP1897183A1 - Leiterrohling für einen trommelkommutator, verfahren zur herstellung eines solchen sowie trommelkommutator - Google Patents
Leiterrohling für einen trommelkommutator, verfahren zur herstellung eines solchen sowie trommelkommutatorInfo
- Publication number
- EP1897183A1 EP1897183A1 EP06753897A EP06753897A EP1897183A1 EP 1897183 A1 EP1897183 A1 EP 1897183A1 EP 06753897 A EP06753897 A EP 06753897A EP 06753897 A EP06753897 A EP 06753897A EP 1897183 A1 EP1897183 A1 EP 1897183A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- anchor
- conductor
- tabs
- anchor tabs
- conductor blank
- 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.)
- Granted
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49009—Dynamoelectric machine
- Y10T29/49011—Commutator or slip ring assembly
Definitions
- the present invention relates to an annularly closed conductor blank for a Trommelkommutator, with conductor segments which are interconnected via bridge parts, wherein the conductor segments arranged on a front side terminal projections and inwardly, for anchoring the conductor segments in a carrier body certain anchor tabs. Furthermore, the present invention relates to a method for producing a ring-closed conductor blank for a drum commutator, which has interconnected conductor segments via bridge parts, as well as a drum commutator manufactured using the above-mentioned conductor blank.
- drum commutators are divided into two groups.
- a first construction cf., for example, DE 1956340, DE 2140855, US 4598463 A, EP 0247221 A1, EP 0243640 B1, DE 29609538 U1, DE 10244006 A1
- individual lamellae which in particular can be punched out of profiled strip, are processed.
- the individual slats are inserted during the manufacture of the commutator in a mounting basket, which defines the exact position of the slats during the manufacture of the support body in which the slats are anchored.
- Drum commutators made in this design meet very high quality requirements, but are relatively expensive to manufacture, so that they are generally used only in particularly high-quality electrical products.
- drum commutators In a second construction, one of a metallic Strip produced by rolling conductor blank, which comprises bridge parts interconnected conductor segments processed. At the corresponding annular conductor blank of the carrier body is molded. After curing of the carrier body, the bridge parts are removed and the conductor segments separated in this way.
- drum commutators according to this design, for example, the US 4705977 A, US 3492519 A, FR 2458156 A3, US 4872255 A, GB 1561460, EP 0019472 A2, DE 1955122, US 4920633 A, DE 4138829 Al, DE 3307312 Al, EP 0007186 Al are concerned DE 10233712 B3, DE 10306516 A1, DE 2328698, EP 0780029 and WO 01/61796 A1.
- drum commutators are characterized by significantly lower production costs.
- the Trommelkommutatoren produced in this way so far only meet average quality requirements.
- the object of the present invention is to provide a possibility of producing drum commutators in accordance with the second construction, which, despite low production costs, is characterized by high quality requirements.
- the present invention is based on the design of the conductor blank, in particular to the design features that are significantly responsible for the anchoring of the conductor segments in the carrier body.
- the above-described problem can be solved by providing a closed ring Conductor blank of the type specified at the outset, produced by splitting material on the radially inner surface of the strip in the region of the conductor segments, forming first K-shaped pairs of anchor straps and by bending inwardly edge anchoring projections arranged on the edge of the strip. shaped second anchor tabs are provided.
- the present invention provided for the characteristic combination of different, specifically designed and arranged anchor plates can be surprisingly such a good anchoring of the conductor segments in the support body achieve that Trommelkommutatoren that are produced inexpensively using an annularly closed conductor blank, also meet such quality requirements that were previously achieved alone with elaborate and expensive drum commutators according to the single lamella design.
- the present invention makes use of the knowledge that the formability of the commutator, even at high loads as deep anchoring of the conductor segments in the carrier body is advantageous.
- Such a deep anchoring of the conductor segments in the carrier body by correspondingly long executed first anchor straps of the K-shaped anchor strap pairs can be achieved in the present invention, in that in addition to that K-shaped anchor strap pair by inwardly directed bending produced by marginally arranged on the strip anchoring projections, essentially frontal, C-shaped second anchor tabs are provided. Only by this end-sided anchoring of the conductor segments by means of the C-shaped second anchor tabs is it possible at all to Most anchor tabs run so long that with you a deep anchoring of the conductor segments in the carrier body is possible.
- first anchor tabs whose feet increasingly remove from the ends of the conductor segments, so that according to the prior art, the length of the first anchor plates, if a deformation of the conductor segments should be effectively prevented, was limited to such a degree that only gave a relatively flat anchoring of the conductor segments in the carrier body.
- the inventively provided second anchor straps can be made correspondingly long for a deep, firm anchoring of the conductor segments in the carrier body.
- the first anchor tabs are generally machined from rib-like raised projections on the inner surface of the tab.
- the corresponding rib-like profiling of the strip can be done in various ways known as such.
- a preferred development of the conductor blank according to the invention is characterized in that the radial distance of the free ends of at least one of the first anchor tabs of each K-shaped anchor tab pair of the axis at most 65% of the radial distance of the radial outer surface of the conductor segments which, if necessary taking into account a mechanical reworking, defines the brush running surface of the drum commutator from the axis.
- the corresponding distance is less than 50%.
- the radial distance between the free ends of the axis is preferably at most 65%, more preferably less than 50% of the radial distance of the radial outer surface of the conductor segments from the axis.
- the free ends of the second anchor tabs have a smaller distance from the axis of the conductor blank than the first anchor tabs.
- the second anchor tabs particularly preferably end in each case essentially radially within the adjacent first anchor tabs.
- the free ends of the first anchor straps have a smaller distance from the axis of the conductor blank than the second anchor straps, in which case the second anchor straps can each end substantially radially outside an adjacent first anchor strap.
- Another preferred embodiment of the invention is characterized in that at the terminal projections having end side second anchor tabs are provided, the foot portions are offset from the foot portions of the terminal projections radially inwardly. This is not only favorable with regard to the secure anchoring of the conductor segments in the carrier body of the drum commutator. Rather, such a radial offset of the second anchor tabs with respect to the terminal projections is also advantageous in terms of an ideally ideal cylindrical brush surface; because the inwardly directed bending of the edge-side anchoring projections to form the front-side, C-shaped second anchor tabs after the rolling of the strip in this case does not lead to a significant deformation of the conductor segments its outer, the brush surface defining surface.
- the corresponding anchoring projection can be formed in particular by splitting a joint projection which also serves to form the terminal projections, so that first protrusions are provided on the strip at one end edge, from which the connection projections as well as the adjoining anchoring projections, which are in the same, are split by splitting Step to the inwardly bent second anchoring straps can be deformed, emerge.
- Such a design is favorable, especially in comparatively small sized commutators with a high number of conductor segments.
- the conductor segments between the mutually paired first anchor plates on a circumferentially extending hinterschnit- tene groove can be further reduced by an additional anchoring of the conductor segments between the two first anchor tabs of each K-shaped armature tab pair Danger of deformation of the conductor segments and thus contribute to a better dimensional stability of the drum commutator even at high speeds.
- a method of manufacturing a ring-closed conductor blank for a drum commutator having interconnected conductor segments via bridge portions comprises the following steps:
- first anchor tabs each forming a K-shaped anchor tab pair, by cleaving material on the radially inner surface of the tab in the region of the conductor segments;
- the strip is rolled before the first anchor tabs are formed; This is favorable in terms of the lowest possible production costs. This is not compelling, however; rather comes, provided that suitable machinery and tools are used, also considered to roll the strip only after the formation of the first anchor tabs. Further preferred developments of the method according to the invention can be derived directly from the above explanations concerning the conductor blank according to the present invention.
- drum commutators are produced with a support body made of insulating molding material and conductor segments anchored therein, by first embossing a support body on a conductor blank according to the invention explained above - in known manner - and the bridge segments initially connecting the conductor segments together be removed after spraying the carrier body. It is particularly advantageous if at the opposite end of the terminal projections arranged second anchor tabs terminate at the foot substantially flush with the end face of the carrier body.
- drum commutator In view of the above-explained importance of deep anchoring of the conductor segments in the support body, other preferred developments of the drum commutator according to the invention are characterized in that the radial extent of at least a first anchor tab of each K-shaped anchor tab pair and / or the second anchor tabs at least 40% of Distance of the foot of the respective anchor tab from the shaft bore of the carrier body is.
- the drawing shows in a (half) axial section an under- Use of a conductor blank according to the invention manufactured drum commutator.
- the drum commutator T shown in the drawing comprises a support body 1 formed of insulating molding material with a shaft bore 3 arranged concentrically to the axis 2 and a plurality of conductor segments 4 which are anchored in the support body.
- the cylindrical outer surface 5 of the conductor segments 4 represents the brush running surface 6.
- the individual conductor segments have emerged in a manner known per se from an annular conductor strip produced from a strip in which the conductor segments are removed via bridge parts which are removed after spraying the carrier body 1, connected to each other.
- each conductor segment 4 has a arranged on a front side terminal projection 7, from which by subsequent bending a connection hook 8 for the rotor winding emerges, and inwardly directed to the axis 2, for anchoring the conductor segments in the carrier body 1 certain anchor tabs, namely two first anchor tabs 9a, 9b and two substantially frontally arranged second anchor tabs 10a, 10b.
- the two first anchor tabs 9a, 9b which form a K-shaped anchor tab pair, are created by splitting material on the radially inner surface of the tab in the region of the conductor segments 4;
- the two second anchor tabs 10a, 10b which are designed substantially C-shaped, generated by inwardly directed bending of edge arranged on the strip anchoring projections.
- a second anchor tab 10a is provided on each conductor segment 4, in such a way that the foot portion 11 of the second anchor tab 10a is offset radially inwardly relative to the foot portion 12 of the terminal projection 7.
- the free ends of the second anchor tabs 10a and 10b each have a smaller distance from the axis 2 of the conductor blank than the ends of the associated first anchor tabs 9a and 9b.
- the arranged in the region of the terminal projections 7 end side second anchor tabs 10a terminate radially within the associated first anchor tab 9a; and arranged in the region of the opposite end face 13 second anchor tab 10b terminates radially within the associated first anchor tab 9b.
- the at the terminal projections 7 opposite end face 13 of the conductor segment arranged second anchor tab 10b includes the foot side substantially flush with the end face 14 of the carrier body 1 from.
- the first anchor tabs 9a and the second anchor tabs 10a adjacent to the terminal projections 7 end radially inward slightly further than the first and second anchor tabs 9b and 10b provided away from the terminal projections.
- the radial distance of the free end of the terminal-side first anchor tab 9a from the axis 2 is 65%
- the radial distance of the free end of the associated second anchor tabs 10a from the axis 2 is 55% of the radial distance of the radially outer surface 5 of the conductor segment from the axis 2
- Each conductor segment 4 has between the mutually paired first anchor tabs 9a and 9b extending in the circumferential direction undercut groove 15 which is filled with molding material.
Landscapes
- Motor Or Generator Current Collectors (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Manufacture Of Motors, Generators (AREA)
- Braking Arrangements (AREA)
- Meat, Egg Or Seafood Products (AREA)
- Baking, Grill, Roasting (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005030454A DE102005030454A1 (de) | 2005-06-28 | 2005-06-28 | Leiterrohling für einen Trommelkommutator, Verfahren zur Herstellung eines solchen sowie Trommelkommutator |
PCT/EP2006/005035 WO2007000219A1 (de) | 2005-06-28 | 2006-05-26 | Leiterrohling für einen trommelkommutator, verfahren zur herstellung eines solchen sowie trommelkommutator |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1897183A1 true EP1897183A1 (de) | 2008-03-12 |
EP1897183B1 EP1897183B1 (de) | 2010-04-21 |
Family
ID=36888857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06753897A Not-in-force EP1897183B1 (de) | 2005-06-28 | 2006-05-26 | Leiterrohling für einen trommelkommutator, verfahren zur herstellung eines solchen sowie trommelkommutator |
Country Status (12)
Country | Link |
---|---|
US (1) | US20100133949A1 (de) |
EP (1) | EP1897183B1 (de) |
JP (1) | JP2008544467A (de) |
KR (1) | KR20080026561A (de) |
CN (1) | CN101213708B (de) |
AT (1) | ATE465532T1 (de) |
BR (1) | BRPI0612530A2 (de) |
DE (2) | DE102005030454A1 (de) |
HK (1) | HK1114247A1 (de) |
RU (1) | RU2007145640A (de) |
TW (1) | TW200707868A (de) |
WO (1) | WO2007000219A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7075192B2 (en) | 2004-04-19 | 2006-07-11 | Northern Power Systems, Inc. | Direct drive wind turbine |
DE102009054651A1 (de) * | 2009-12-15 | 2011-06-16 | Robert Bosch Gmbh | Kommutator für eine elektrische Maschine und elektrische Maschine |
JP6180849B2 (ja) * | 2012-09-21 | 2017-08-16 | アスモ株式会社 | 整流子 |
FI128674B (en) * | 2016-02-04 | 2020-10-15 | Rolls Royce Oy Ab | Device for transmitting electrical energy |
CN108879283B (zh) * | 2018-06-21 | 2019-11-12 | 深圳市凯南整流子有限公司 | 一种换向器的加工工艺及其所使用的模具 |
Family Cites Families (43)
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DE1767469U (de) * | 1955-09-21 | 1958-05-29 | Bosch Gmbh Robert | Stromwender. |
BE570136A (de) * | 1957-08-09 | |||
DE1774890U (de) * | 1957-08-28 | 1958-10-02 | Bosch Gmbh Robert | Kollektor fuer elektrische kleinmaschinen. |
DE1774895U (de) * | 1957-10-12 | 1958-10-02 | Bosch Gmbh Robert | Rollkollektor fuer elektrische maschinen, insbesondere anlasser und lichtmaschinen von kraftfahrzeugen. |
DE1799787U (de) * | 1958-09-26 | 1959-11-12 | Lucas Industries Ltd | Kollektor fuer elektrische generatoren. |
DE1951208U (de) * | 1964-04-03 | 1966-12-08 | Bosch Gmbh Robert | Rollkommutator fuer elektrische maschinen. |
DE1949285U (de) * | 1965-08-14 | 1966-11-10 | Bosch Gmbh Robert | Isolierstoffnabe fuer schleifringkoerper und kommutatoren. |
DE1939200U (de) * | 1965-10-26 | 1966-05-26 | Bosch Gmbh Robert | Kollektorlamelle mit im isolierstoff der kollektornabe eingebetteten verankerungskrallen. |
US3411699A (en) * | 1966-06-24 | 1968-11-19 | Uarco Inc | Multiple use envelope assembly |
GB1223677A (en) * | 1967-06-29 | 1971-03-03 | Gen Motors Ltd | A dynamo electric machine rotor shaft and commutator shell assembly |
US3492519A (en) * | 1967-09-11 | 1970-01-27 | Kirkwood Commutator Corp | Commutator and commutator blank for dynamoelectric machines and method of making same |
FR1596147A (de) * | 1968-01-11 | 1970-06-15 | ||
ZA702735B (en) * | 1969-04-29 | 1971-01-27 | Thermoform Bau Forschung | A method for producing wood wool |
DE1955122A1 (de) * | 1969-11-03 | 1971-05-13 | Kautt & Bux Ohg | Verfahren zur Herstellung eines Profilbandes fuer die Fertigung von Kommutatoren |
DE2140855A1 (de) * | 1970-09-07 | 1972-03-16 | Elketromaschinenbau Veb K | Anordnung zum verschnittlosen Stanzen der Segmente und Isolierlamellen bei Kommutatoren |
DE2206814A1 (de) * | 1972-02-12 | 1973-08-23 | Siemens Ag | Kollektor |
DE2601845A1 (de) * | 1976-01-20 | 1977-07-21 | Kautt & Bux Kg | Kollektor und verfahren zu seiner herstellung |
EP0007186A1 (de) * | 1978-07-07 | 1980-01-23 | Qualtex Industries Limited | Herstellungsverfahren von Stromwendern sowie gemäss diesen Verfahren hergestellter Stromwender |
GB2049496B (en) * | 1979-05-18 | 1982-10-27 | Franklin & Freeman London Ltd | Manufacturing commutators for electric rotating machines |
FR2458156A3 (fr) * | 1979-05-29 | 1980-12-26 | Dahl Paul Com Fab | Collecteur electrique cylindrique notamment pour rotor a grandes vitesses de rotation |
JPS57113753A (en) * | 1980-12-27 | 1982-07-15 | Sugiyama Seisakusho:Kk | Commutator and manufacture thereof |
YU39889B (en) * | 1981-09-29 | 1985-04-30 | Kolektor | Semi-manufactured commutator for commutaors |
DE3245699A1 (de) * | 1982-12-10 | 1984-06-14 | Kautt & Bux Kg, 7000 Stuttgart | Kommutator und verfahren zu seiner herstellung |
DE3307312A1 (de) * | 1983-03-02 | 1984-09-06 | Industra Consult GmbH, 8000 München | Verfahren zur rationellen herstellung von kollektoren mit erhoehter festigkeit fuer elektrische rotierende maschinen |
EP0247221A1 (de) * | 1986-05-27 | 1987-12-02 | Friedrich Nettelhoff Kommanditgesellschaft Spezialfabrik für Kleinkollektoren | Kommutator |
DE3530652A1 (de) * | 1985-08-28 | 1987-03-12 | Bosch Gmbh Robert | Kommutator fuer elektrische maschinen |
US4705977A (en) * | 1986-02-10 | 1987-11-10 | Mitsuba Electric Manufacturing Co., Ltd. | Molded commutator with enlarged diameter riser section |
US4920633A (en) * | 1986-04-24 | 1990-05-01 | Resinoid Engineering Corporation | Method of manufacturing commutator assemblies |
DE3614918A1 (de) * | 1986-05-02 | 1987-11-05 | Kollektor Gmbh | Kollektor |
GB8612940D0 (en) * | 1986-05-28 | 1986-07-02 | Dow Chemical Co | Derivative esters |
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 |
DE4214372C2 (de) * | 1992-04-30 | 1997-04-24 | Siemens Ag | Kommutator für elektrische Maschinen |
US5491373A (en) * | 1994-09-07 | 1996-02-13 | The Morgan Crucible Company Plc | Commutators |
CZ284428B6 (cs) * | 1995-06-02 | 1998-11-11 | Triodyn Beta, S. R. O. | Komutátor elektrického stroje točivého |
DE19654381A1 (de) * | 1996-12-24 | 1998-06-25 | Mannesmann Vdo Ag | Elektromotor |
DE10006567A1 (de) * | 2000-02-14 | 2001-08-16 | Nettelhoff Friedrich Fa | Verfahren zur Herstellung eines Preßstoffkommutators sowie Lamellen-Rohling und Kupfer-Halbzeugstreifen zur Durchführung des Verfahrens |
JP3813857B2 (ja) * | 2001-03-13 | 2006-08-23 | 株式会社杉山製作所 | 円筒形整流子及びその製造方法 |
DE10233712B3 (de) * | 2002-07-24 | 2004-02-12 | Kolektor D.O.O. | Trommelkommutator für eine elektrische Maschine |
DE10244006A1 (de) * | 2002-09-21 | 2004-04-22 | Berghänel Elektrotechnik | Kommutator für elektrische Maschinen mit zwei Haken je Lamelle |
DE10306516A1 (de) * | 2003-02-14 | 2004-09-16 | Kolektor D.O.O. | Kommutator für eine elektrische Maschine |
DE102004052026B4 (de) * | 2003-11-07 | 2015-08-27 | Totankako Co., Ltd. | Kollektor |
CN2689534Y (zh) * | 2004-01-19 | 2005-03-30 | 浙江长城换向器有限公司 | 换向器 |
US7009323B1 (en) * | 2004-12-06 | 2006-03-07 | Siemens Vdo Automotive Inc. | Robust commutator bar anchoring configuration with dove-tailed features |
-
2005
- 2005-06-28 DE DE102005030454A patent/DE102005030454A1/de not_active Withdrawn
-
2006
- 2006-05-26 CN CN2006800236855A patent/CN101213708B/zh not_active Expired - Fee Related
- 2006-05-26 KR KR1020077030481A patent/KR20080026561A/ko not_active Application Discontinuation
- 2006-05-26 RU RU2007145640/09A patent/RU2007145640A/ru unknown
- 2006-05-26 BR BRPI0612530-1A patent/BRPI0612530A2/pt not_active Application Discontinuation
- 2006-05-26 EP EP06753897A patent/EP1897183B1/de not_active Not-in-force
- 2006-05-26 DE DE502006006799T patent/DE502006006799D1/de active Active
- 2006-05-26 AT AT06753897T patent/ATE465532T1/de active
- 2006-05-26 WO PCT/EP2006/005035 patent/WO2007000219A1/de active Application Filing
- 2006-05-26 JP JP2008518652A patent/JP2008544467A/ja active Pending
- 2006-05-26 US US11/917,430 patent/US20100133949A1/en not_active Abandoned
- 2006-06-26 TW TW095122872A patent/TW200707868A/zh unknown
-
2008
- 2008-08-19 HK HK08109194.7A patent/HK1114247A1/xx not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2007000219A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN101213708A (zh) | 2008-07-02 |
TW200707868A (en) | 2007-02-16 |
WO2007000219A1 (de) | 2007-01-04 |
KR20080026561A (ko) | 2008-03-25 |
EP1897183B1 (de) | 2010-04-21 |
RU2007145640A (ru) | 2009-08-10 |
DE102005030454A1 (de) | 2007-01-04 |
JP2008544467A (ja) | 2008-12-04 |
US20100133949A1 (en) | 2010-06-03 |
HK1114247A1 (en) | 2008-10-24 |
DE502006006799D1 (de) | 2010-06-02 |
BRPI0612530A2 (pt) | 2010-11-23 |
ATE465532T1 (de) | 2010-05-15 |
CN101213708B (zh) | 2010-12-08 |
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