WO2006058578A1 - Verfahren zur herstellung eines kommutators sowie kommutator - Google Patents
Verfahren zur herstellung eines kommutators sowie kommutator Download PDFInfo
- Publication number
- WO2006058578A1 WO2006058578A1 PCT/EP2005/011308 EP2005011308W WO2006058578A1 WO 2006058578 A1 WO2006058578 A1 WO 2006058578A1 EP 2005011308 W EP2005011308 W EP 2005011308W WO 2006058578 A1 WO2006058578 A1 WO 2006058578A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wire sections
- conductor segments
- commutator
- conductor
- wire
- Prior art date
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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/06—Manufacture of commutators
- H01R43/08—Manufacture of commutators in which segments are not separated until after assembly
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/06—Manufacture of 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
-
- 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 a method for producing a commutator comprising a one-piece carrier body made of insulating molding material, a plurality of uniformly arranged around an axis metallic conductor segments and a plurality of compensation elements having compensation device, said conductor segments anchored in the carrier body and in pairs or in groups are connected to each other via embedded in the carrier body balancing elements.
- the present invention further relates to a commutator comprising a one-piece carrier body made of insulating molding material, a plurality of uniformly arranged around an axis metallic conductor segments and a plurality of compensation elements having balancing device, wherein the conductor segments anchored in the carrier body and in pairs or in groups on in the carrier body embedded compensating elements are interconnected.
- the compensating elements are formed by wire sections, which are connected to the conductor segments after the manufacture of the commutator (eg to the connection hook for the rotor winding) and outside the commutator, in particular in the region of the circumference or an end face of the commutator, relocated (See, for example, US Pat. No. 6,320,293 Bl, US Pat. No. 3,484,634A, EP 1073182 A2, DE 19950370 B4 and JP 2001103714 A).
- the disadvantage here in particular the risk of damage to the insulation of the exposed wire sections during the manufacture of the commutator and / or the operation of the machine equipped with this with the result of a short circuit between potential-different conductor segments.
- the compensating elements embedded in the carrier body are designed as metallic bridge conductors, which are soldered or welded on the inside to the conductor segments.
- These bridge conductors so that they do not deform unduly when spraying the support body, which could lead to a short circuit, must be designed with a high rigidity, ie with a comparatively large cross-section.
- the bridge conductors again to avoid the risk of a short circuit due to contact after deformation during the spraying of the carrier body, must maintain a minimum distance from each other and from the conductor segments. This makes the known from DE 10116182 Al construction unsuitable for compact commutators with small dimensions.
- the present invention has the object to show a possibility of producing a commutator of the generic type, which is susceptible to interference even with compact dimensions, at relatively low cost.
- a commutator comprising a one-piece carrier body made of insulating material, a plurality of evenly arranged around an axis metallic conductor segments and a plurality of compensation elements comprising balancing device, wherein the conductor segments in the carrier body anchored and connected in pairs or in groups by means of compensating elements embedded in the carrier body, the following steps:
- a plurality of wire sections is used for producing the compensating device, each having one end exposed, in the case of a paired connection of two conductor segments), however, comprise conductors surrounded by an insulation jacket and, after having been bent into an arc shape in a central region, are connected at the end to defined connection elements on two conductor segments, preferably on their radial inner side.
- Destruction of the compensating elements formed by the wire sections during spraying of the - the wire sections completely enclosing - carrier body made of plasticized material is thereby effectively prevented by the wire sections are supported and fixed by supporting elements during spraying of the carrier body, wel che arranged on one of the sub-tools of the injection mold and are designed trough-shaped, that the wire sections engage when inserting the already equipped with the wire sections ring structure in the injection mold and the subsequent closing of the injection mold in the trough-shaped support members.
- This support of the compensating elements during injection of the carrier body made of plasticized material allows their execution as sections of an extremely inexpensive conventional wire, which does not even have to have a special rigidity.
- the compensation elements can be produced inexpensively by cutting to length sections of a wire supply, resulting in significant cost savings over known generic commutators.
- the same starting material can be used in the form of a conventional standard wire for the preparation of the balancing devices of different commutators.
- such commutators can be prepared in which three or more conductor segments are connected in groups via a respective wire section electrically conductive.
- the insulation sheath of the wire sections in addition to the number of conductor segments to be joined together between the end regions in addition simply or repeatedly removed, wherein the there exposed conductor at corresponding terminal elements is connected to one or more other conductor segments.
- the wire sections are mechanically clamped end to the conductor segments.
- the conductor segments for example, on their radial inner side each have two radially inwardly projecting clamping tongues, which are bent for clamping the inserted between them end of the wire section in question in the direction of each other.
- Such clamping tongues may in particular be part of anchor parts, by means of which the conductor segments are anchored in the carrier body.
- Such a mechanical jamming of the wire sections with the conductor segments may be the only connection, or even only a mechanical fixing, before the wire sections are soldered or welded to the conductor segments, the latter for example by laser welding or resistance welding.
- such a mechanical jamming is by no means absolutely necessary in the context of the present invention; Rather, the soldering, welding, electrically conductive bonding or the like without prior mechanical jamming into consideration.
- the head of the wire sections made of copper.
- the insulating jacket of the wire sections can consist of lacquer, Teflon or silicone. The selection of the appropriate material is carried out from the standpoint of (mechanical and thermal) stress on the insulation during the manufacture of the commutator, for most of the applications of the present invention, the - particularly cost - execution of the insulating jacket of paint is sufficient.
- another preferred embodiment of the present invention is characterized in that on a wire supply in some areas of the insulation jacket removed, in particular turned off, before then the wire sections by cutting be cut at predetermined points exposed conductor.
- the present invention can be realized in connection with various Kommutatorbau us and various manufacturing methods for commutators. It is particularly suitable not only for drum commutators in which the connection elements for the compensation elements are expediently arranged radially inward on the conductor segments; Rather, it can be realized with advantage also in plan commutators. Incidentally, it does not matter whether the respective ring structure in which the conductor segments are arranged in their substantially final configuration by a conductor blank, in which the conductor segments are connected to each other via one piece, later to be removed bridges, or formed by a cage with individual conductor segments received therein.
- the brush tread is arranged directly on the conductor segments, or on carbon segments, which are electrically conductively connected to the conductor segments. If the present invention is applied to a drum commutator, the arcuate regions of the wire sections of the compensating device are particularly preferably arranged in the region of that end face of the carrier body on which the terminal lugs of the conductor segments are arranged.
- the support members which support the wire sections during spraying of the support body are arranged in a region of the support body which is particularly thick in typical commutator designs, so that the impressions which leave the support members in the support body do not increase an impairment of the mechanical properties of the commutator.
- the injection zone for the molding material in the mold cavity of the injection mold can be particularly favorable so that the wire sections are pressed by the injected into the mold plasticized molding material in the trough-shaped support members into it.
- connection points at which the wire sections are connected end-to-end with the conductor segments are most preferably located remotely from the terminal hooks of the conductor segments. This is favorable both with regard to the accessibility of the connection points during the manufacture of the commutator according to the invention as well as with regard to the lowest possible thermal stress on the connections of the wire sections with the conductor segments when welding the rotor winding to the terminal lugs of the commutator.
- drum commutators particularly advantageous if the wire sections each outside the central arcuately curved portion having two substantially parallel to the axis of the commutator outer regions, wherein the outer regions of the axial distance between the arcuate portions of the wire sections and bridge the connection points.
- the bare ends of the conductors freed from the insulating jacket are shown to be immediately adjacent to the central curved sections of the wire sections.
- the outer areas of the wire sections extending parallel to the commutator axis set out above may differ in terms of their length in the individual wire sections. This allows, despite the arrangement of the connection points for the wire sections on a common plane, the axially staggered arrangement of the arcuate central portions of the wire sections in the axial direction staggered planes.
- the arcuate curved middle portions of the wire sections can in this way all have the same radius of curvature and be arranged substantially on a common cylindrical surface. This is favorable in terms of the lowest possible unbalance of the commutator and thus for its life.
- the wire sections are arranged distributed around the axis such that the number of under each of the conductor segments (without contact with) through guided wire sections is less than or equal to the quarter of the number of conductor segments.
- the wire sections are preferably arranged so that, for example, in a commutator with 16 conductor segments under each of the conductor segments three or four wire sections are passed without contact, at a commutator with 18 conductor segments under each of the conductor segments four wire sections and a commutator with 20 conductor segments below each of the conductor segments has four or five wire sections.
- FIG. 1 is a perspective view of an intended for further processing to a drum commutator according to the present invention conductor blank with mounted compensation elements
- FIG. 2 is a perspective view of a wire section, as used in the conductor blank of FIG. 1 as one of the compensation elements,
- Fig. 3 shows an axial section through an injection mold during the spraying of a carrier body to the conductor blank of FIG. 1 and
- the injection molding tool 2 used according to FIGS. 3 and 4 for spraying the carrier body 1 of the drum commutator comprises an upper tool 3 and a lower tool 4.
- a cylindrical core 7 is received in the lower tool 4.
- the lower work train 4 is surrounded by a support casing 8; the upper tool 3 abuts against a pressure plate 9, with which it jointly limits the runner A.
- the upper tool 3 has, for producing a corresponding free space of the carrier body 1 of the commutator, a conical projection 10.
- a ring structure 11 is inserted in the form of a cylindrical portion over a predominant part of its length conductor blank 12.
- This comprises 20 conductor segments 13, wherein each two adjacent conductor segments 13 are connected to each other via a bridge 14 which are integrally formed with the conductor segments and later, after curing of the carrier body and removing the commutator from the injection mold cut or removed to to separate the conductor segments 13 from each other and to isolate from each other.
- the bridges 14 have the same wall thickness as the conductor segments 13, so that the bridge material 14 is the material which is removed by means of the saw cuts S when the conductor blank 12 is separated into the individual conductor segments 13. about corresponding sealing zones 15 and 16 close the upper tool 4 and the lower tool 5 tightly against corresponding sealing surfaces of the conductor blank 12 from.
- the injection mold is based on the well-known state of the art, as used in particular in the manufacture of conventional commutators without balancing device, so that it does not require detailed explanations so far.
- each of the ten compensating elements consists of a wire section 19, which in turn has a central, semi-circularly curved region 20 and two outer regions 21 which extend parallel to the axis 5 of the commutator.
- the wire sections 19 consist of a conductor of copper surrounded by an insulating jacket 22, wherein the insulating jacket 22 is removed in the region of the two ends 23 so that the conductor 24 is exposed there.
- the corresponding anchor members 25 constitute the connecting elements 29, on which the compensating elements 17 are electrically conductively connected to the conductor segments 13.
- the lower tool 4 associated sealing zone 16 is designed in accordance with stepped.
- the lower tool 4 of the injection molding tool 2 has on its inner end face 30 five axially projecting from that end face inwardly arranged uniformly about the axis 5 around support members 31. These are designed substantially U-shaped, so that they have a trough 32 in which engage when inserting the already equipped with the compensating elements 17 conductor blank 12 in the lower die 4, the semi-circular curved middle portions 20 of the wire sections 19.
- the wire sections 19 are pressed firmly into the support members 31 by the molding material, so that they are securely fixed there.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Motor Or Generator Current Collectors (AREA)
- Manufacture Of Motors, Generators (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007543712A JP2008522574A (ja) | 2004-11-30 | 2005-10-20 | 整流子の製造方法ならびに整流子 |
EP05800409A EP1817823A1 (de) | 2004-11-30 | 2005-10-20 | Verfahren zur herstellung eines kommutators sowie kommutator |
US11/664,481 US20080231139A1 (en) | 2004-11-30 | 2005-10-20 | Method for Production of a Commutator, as Well as Commutator |
BRPI0516638-1A BRPI0516638A (pt) | 2004-11-30 | 2005-10-20 | processo para a produção de um comutador e comutador |
MX2007006019A MX2007006019A (es) | 2004-11-30 | 2005-10-20 | Metodo para la produccion de conmutador y conmutador. |
HK08100579.1A HK1106970A1 (en) | 2004-11-30 | 2008-01-17 | Method for producing a commutator and associated commutator |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004057750A DE102004057750B4 (de) | 2004-11-30 | 2004-11-30 | Verfahren zur Herstellung eines Kommutators sowie Kommutator |
DE102004057750.1 | 2004-11-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006058578A1 true WO2006058578A1 (de) | 2006-06-08 |
Family
ID=35566915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/011308 WO2006058578A1 (de) | 2004-11-30 | 2005-10-20 | Verfahren zur herstellung eines kommutators sowie kommutator |
Country Status (12)
Country | Link |
---|---|
US (1) | US20080231139A1 (de) |
EP (1) | EP1817823A1 (de) |
JP (1) | JP2008522574A (de) |
KR (1) | KR20070084528A (de) |
CN (1) | CN100502166C (de) |
BR (1) | BRPI0516638A (de) |
DE (1) | DE102004057750B4 (de) |
HK (1) | HK1106970A1 (de) |
MX (1) | MX2007006019A (de) |
RU (1) | RU2361341C2 (de) |
UA (1) | UA86252C2 (de) |
WO (1) | WO2006058578A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101741181B (zh) * | 2008-11-26 | 2013-06-12 | 德昌电机(深圳)有限公司 | 用于暖通空调领域的电机 |
CN101552420B (zh) * | 2009-03-26 | 2010-10-06 | 安固集团有限公司 | 换向器半自动压注模具 |
FR2959360B1 (fr) * | 2010-04-27 | 2013-01-18 | Valeo Equip Electr Moteur | Machine electrique comportant un rotor muni d'un bobinage permettant de faciliter la commutation, et demarreur associe |
CN102601911B (zh) * | 2012-03-13 | 2014-04-02 | 瑞安市双峰换向器有限公司 | 换向器压塑模具 |
CN106816798A (zh) * | 2015-11-30 | 2017-06-09 | 宁波胜克换向器有限公司 | 一种用于制造平面全塑型换向器的加工模具 |
CN106911232B (zh) * | 2017-04-01 | 2024-04-16 | 宁波韵升电驱动技术有限公司 | 电枢换向器的压制装置及压制方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52156306A (en) * | 1976-06-23 | 1977-12-26 | Hitachi Ltd | Rotary machine with commutator provided |
JPS60162451A (ja) * | 1984-02-03 | 1985-08-24 | Hitachi Ltd | 直流機の整流子 |
US6057626A (en) * | 1998-08-10 | 2000-05-02 | Mitsubishi Denki Kabushiki Kaisha | Commutator for a dynamo-electric machine and method of manufacture therefor |
JP2003079103A (ja) * | 2001-06-19 | 2003-03-14 | Asmo Co Ltd | モータ用整流子 |
US20030052566A1 (en) * | 2001-03-31 | 2003-03-20 | Gerald Kuenzel | Commutator for a multi-pole commutator motor and commutator motor provided therewith |
US20040108787A1 (en) * | 2002-12-04 | 2004-06-10 | Asmo Co., Ltd. | Commutator having short-circuiting parts, motor having such a commutator and method for manufacturing such a commutator |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3484634A (en) * | 1968-06-20 | 1969-12-16 | Caterpillar Tractor Co | Equalizer coil arrangement for dc commutators |
GB1390191A (en) * | 1971-03-10 | 1975-04-09 | Matsushita Electric Ind Co Ltd | Electric motor disc armature |
US4710662A (en) * | 1985-12-09 | 1987-12-01 | General Electric Company | Dynamoelectric machine rotor structure having improved insulation |
DE3901905C1 (en) * | 1989-01-24 | 1990-05-03 | Hans Hermann 2245 Tellingstedt De Rottmerhusen | Device on the commutator of an electrical machine |
JP3278402B2 (ja) * | 1998-08-07 | 2002-04-30 | 三菱電機株式会社 | 回転電機 |
JP3559178B2 (ja) * | 1998-10-23 | 2004-08-25 | 三菱電機株式会社 | 回転電機及びその製造方法 |
JP3450732B2 (ja) * | 1999-01-08 | 2003-09-29 | 三菱電機株式会社 | 回転電機 |
EP1073182A3 (de) * | 1999-07-30 | 2003-11-05 | Siemens Canada Limited | Kreuzweise verbundener Kommutator mit zusätzlichen parallelen Wegen |
JP3183655B2 (ja) * | 1999-09-30 | 2001-07-09 | 三菱電機株式会社 | 回転電機及びその製造方法 |
JP4166387B2 (ja) * | 1999-10-04 | 2008-10-15 | アスモ株式会社 | 給電ブラシ付電動機 |
SE520332C2 (sv) * | 2001-02-09 | 2003-06-24 | Abb Ab | Förfarande för montering av statorlindning |
JP2003169458A (ja) * | 2001-12-04 | 2003-06-13 | Mitsuba Corp | 回転電機の均圧線配線構造 |
SE520942C2 (sv) * | 2002-01-23 | 2003-09-16 | Abb Ab | Elektrisk maskin samt användning av sådan |
DE102004003146B4 (de) * | 2003-01-22 | 2023-08-24 | Aisan Kogyo Kabushiki Kaisha | Motor, Kraftstoffpumpe, Kommutator und Verfahren zur Herstellung eines Kommutators |
DE112004001898T5 (de) * | 2003-10-06 | 2006-12-07 | Asmo Co., Ltd., Kosai | Kurzschlußteil, Kommutator und Verfahren zur Herstellung eines Kurzschlußteils |
JP2007060808A (ja) * | 2005-08-24 | 2007-03-08 | Asmo Co Ltd | 整流子の製造方法及び整流子 |
-
2004
- 2004-11-30 DE DE102004057750A patent/DE102004057750B4/de not_active Expired - Fee Related
-
2005
- 2005-10-20 US US11/664,481 patent/US20080231139A1/en not_active Abandoned
- 2005-10-20 KR KR1020077011757A patent/KR20070084528A/ko not_active Application Discontinuation
- 2005-10-20 MX MX2007006019A patent/MX2007006019A/es not_active Application Discontinuation
- 2005-10-20 WO PCT/EP2005/011308 patent/WO2006058578A1/de active Application Filing
- 2005-10-20 EP EP05800409A patent/EP1817823A1/de not_active Withdrawn
- 2005-10-20 RU RU2007113613/09A patent/RU2361341C2/ru not_active IP Right Cessation
- 2005-10-20 BR BRPI0516638-1A patent/BRPI0516638A/pt not_active IP Right Cessation
- 2005-10-20 UA UAA200702716A patent/UA86252C2/uk unknown
- 2005-10-20 JP JP2007543712A patent/JP2008522574A/ja active Pending
- 2005-10-20 CN CNB2005800402386A patent/CN100502166C/zh not_active Expired - Fee Related
-
2008
- 2008-01-17 HK HK08100579.1A patent/HK1106970A1/xx not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52156306A (en) * | 1976-06-23 | 1977-12-26 | Hitachi Ltd | Rotary machine with commutator provided |
JPS60162451A (ja) * | 1984-02-03 | 1985-08-24 | Hitachi Ltd | 直流機の整流子 |
US6057626A (en) * | 1998-08-10 | 2000-05-02 | Mitsubishi Denki Kabushiki Kaisha | Commutator for a dynamo-electric machine and method of manufacture therefor |
US20030052566A1 (en) * | 2001-03-31 | 2003-03-20 | Gerald Kuenzel | Commutator for a multi-pole commutator motor and commutator motor provided therewith |
JP2003079103A (ja) * | 2001-06-19 | 2003-03-14 | Asmo Co Ltd | モータ用整流子 |
US20040108787A1 (en) * | 2002-12-04 | 2004-06-10 | Asmo Co., Ltd. | Commutator having short-circuiting parts, motor having such a commutator and method for manufacturing such a commutator |
Non-Patent Citations (3)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 002, no. 033 (E - 019) 6 March 1978 (1978-03-06) * |
PATENT ABSTRACTS OF JAPAN vol. 009, no. 332 (E - 370) 26 December 1985 (1985-12-26) * |
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 07 3 July 2003 (2003-07-03) * |
Also Published As
Publication number | Publication date |
---|---|
RU2361341C2 (ru) | 2009-07-10 |
RU2007113613A (ru) | 2009-01-10 |
UA86252C2 (uk) | 2009-04-10 |
CN101073186A (zh) | 2007-11-14 |
EP1817823A1 (de) | 2007-08-15 |
CN100502166C (zh) | 2009-06-17 |
MX2007006019A (es) | 2007-07-10 |
KR20070084528A (ko) | 2007-08-24 |
DE102004057750B4 (de) | 2012-02-02 |
HK1106970A1 (en) | 2008-03-20 |
DE102004057750A1 (de) | 2006-06-01 |
JP2008522574A (ja) | 2008-06-26 |
US20080231139A1 (en) | 2008-09-25 |
BRPI0516638A (pt) | 2008-09-16 |
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