EP1654787B8 - Bürstenblock zur übertragung von strömen - Google Patents
Bürstenblock zur übertragung von strömen Download PDFInfo
- Publication number
- EP1654787B8 EP1654787B8 EP04763871A EP04763871A EP1654787B8 EP 1654787 B8 EP1654787 B8 EP 1654787B8 EP 04763871 A EP04763871 A EP 04763871A EP 04763871 A EP04763871 A EP 04763871A EP 1654787 B8 EP1654787 B8 EP 1654787B8
- Authority
- EP
- European Patent Office
- Prior art keywords
- vdse
- brush block
- brush
- slip ring
- block according
- 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
Links
- 239000010410 layer Substances 0.000 claims 4
- 239000002356 single layer Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 5
- 239000000969 carrier Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010040844 Skin exfoliation Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000035618 desquamation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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
- H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
- H01R39/24—Laminated contacts; Wire contacts, e.g. metallic brush, carbon fibres
-
- 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
- H01R39/38—Brush holders
Definitions
- the invention relates to a brush block
- the sliding contacts insofar as they consist of multi-wire grinders, have so far mostly been placed almost vertically on the slip ring, which causes a strong matting of the multi-wire grinders, a relatively small contact area and thus a high contact resistance.
- the object of the present invention is to show an improved device for transmitting currents.
- the claimed device for the transmission of currents essentially consists of at least one brush block, which has a plurality of multi-wire grinding elements
- VDSE VDSE
- VDSE VDSE
- VDSE VDSE
- the use of such A large number of VDSE has the advantage that the current to be transmitted is distributed over a large number of contacts connected in parallel.
- the power to be transmitted per VDSE is greatly reduced, which results in much less wear due to heating and, above all, enables power currents with currents of 40A or more to be transmitted.
- individual VDSEs lose contact due to wear, there is still sufficient contact to ensure adequate transmission of the current. This extends the life of the device and reduces the risk of failure.
- the individual brush block preferably consists of one
- VDSE carriers in conjunction with a variety of VDSE.
- the VDSE carrier preferably has a multiplicity of regularly arranged step incisions on the inside facing the slip ring and essentially bent concentrically to the slip ring.
- Step incisions are designed in such a way that one or more VDSE can be attached to each of the step sides oriented approximately tangentially to the slip ring.
- several VDSE are applied transversely to the direction of rotation of the slip ring, either directly adjoining one another or slightly spaced apart, on one step and form a VDSE layer with one another.
- VDSE layers of two or more adjacent step cuts overlap each other in the sense of one
- the free ends of the VDSE thus arranged preferably describe an envelope curve, that is to say they approach a circular path whose radius is somewhat smaller than the radius of the slip ring to be applied. This ensures that the VDSE with the multi-wire grinders can be applied essentially tangentially and resiliently to the slip ring and that the packing density of the Sliding contacts is very high.
- the VDSE are preferably structured in the step incisions in such a way that the individual layers are offset from one another.
- the layers are offset such that the multi-wire grinders of one VDSE layer are in gap with the multi-wire grinders of the next VDSE layer. Two or more different arrangement positions can be formed here.
- the multi-wire grinders of two or more congruent, i.e. not adjacent, VDSE layers form a grinding track on the circumference of the slip ring.
- the VDSE layers are transverse to the direction of rotation of the
- Slip ring preferably arranged one below the other so that the grinding tracks of the respective offset VDSE layers connect as close as possible to one another and together form a wide total track.
- This arrangement of the VDSE on the VDSE carrier ensures that when the brush head is in contact, the contact area between the VDSE and the slip ring is significantly enlarged and is uniform in the circumferential direction, which causes uniform wear of the slip ring without grooves and a substantial increase in the contact area , This lowers the contact resistance, which in turn reduces wear and increases the service life.
- Each VDSE preferably consists of a flexible carrier sheet, at one end of which a multi-wire grinder is arranged.
- This multi-wire grinder consists of a large number of small wires, which are combined in one or more layers and brush-like. This ensures that the current to be transmitted in each VDSE is in turn distributed over many individual contact wires is.
- Each individual wire can adapt flexibly to any small bumps in the slip ring, which covers a maximum contact area.
- the multi-wire grinders are preferably bent outwards at their free end in order to improve their stability and their guidance on the grinder. Furthermore, the bending means that the multi-wire grinders are not compressed or bent if the slip ring is turned in the opposite direction.
- the multi-wire grinders of the touching VDSE do not come into direct contact, even if the slip ring penetrates the brush area unexpectedly, whereby individual VDSE could be pressed against each other, so that the VDSE cannot get caught.
- Multi-wire grinders of the next VDSE layer can fall off to the outside due to the offset position of the individual VDSE layers.
- Each brush block can either cover only a part of the slip ring or even the entire slip ring and accordingly have an entire inner circle or circular arc section, on which step incisions with VDSE connected thereto are arranged.
- VDSE carrier and slip ring are interchanged.
- the VDSE carrier is essentially round with step cuts of the type shown on the outer circumference. Accordingly, the VDSE connected to the VDSE carrier approach an outer circle with a slightly larger radius than the inner radius of the slip ring now on the outside.
- the slip ring consists of two or more segments which are insulated from one another and which are supplied with different currents via a plurality of differently polarized brush blocks. This ensures that several currents can be transmitted in a space-saving manner on just one slip ring circumference, for example, for regular polarity reversals to evoke.
- the brush blocks are not placed on the circumference of a slip ring, but on the end face thereof.
- the slip ring carrier can be plate-shaped instead of cylindrical.
- the structure of the brush head accordingly has several VDSE layers arranged in a circular arc, which have circular grinding marks on the
- FIG. 1 a dimetric view of a multi-wire grinding element
- FIG. 2 a side view of a VDSE carrier
- FIG. 3 a side view of a brush block
- FIG. 4 a front view of a brush block
- Figure 5 a current transformer in side view with three brush blocks in connection with a slip ring and
- Figure 6 a variant of a VDSE carrier in side view.
- the brush block ( ⁇ ) is used to transmit power currents to a slip ring (7) which is mounted on the circumference on a cylindrical support (8) rotating about the axis (13).
- the kinematic assignment can also be reversed.
- the single or multiple brush block (6) and one or more slip rings (7) arranged in parallel form a current transformer (14).
- Figure 5 shows schematically a current transformer (14) with connections (15) for power current, which are connected to the brush blocks (6).
- the slip ring (s) (7) have corresponding power connections.
- the brush block (6) consists of a number of electrically connected multi-wire grinding elements (3) (hereinafter referred to as VDSE), which are connected to a VDSE Carriers (4) are arranged and fastened evenly distributed in the grinding direction (9).
- VDSE (3) are arranged one behind the other in an arc in the grinding direction (9) or in the circumferential direction of the slip ring (7).
- the ends of the VDSE (3) in this arrangement jointly form a shell-shaped envelope curve concentric to the axis of rotation (13) of the slip ring (7) and a grinding mat (10) which is adapted to the slip ring contour. This results in a large number of contact points for power transmission.
- each multi-wire grinding element (3) consists of an electrically conductive, rigid or flexible carrier sheet (1), which is mounted at one end to the VDSE carrier (4) at a suitable fastening point (11) and at the other End of a multi-wire grinder (2) is attached.
- the multi-wire grinder (2) consists of a large number of flexible, thin grinding wires, which are arranged next to one another and possibly one above the other in a preferably single- or multi-layer brush-like arrangement.
- the grinding wires are preferably bent or angled outwards at their free end.
- the VDSE carrier (4) has an inner wall (12) which is curved concentrically to the axis (13) and on which several step incisions (5) are arranged in the embodiment of FIG.
- the step incisions (5) each have a step side (5 ') which points towards the center (13) and is approximately tangential to the slip ring (7) and a step side (5'') which is transverse and preferably perpendicular to this.
- a plurality of VDSE (3) are preferably attached next to one another with fastening points (11).
- the tangentially aligned step sides (5 ') are spaced apart from one another by the step sides (5'') perpendicular thereto.
- the step incisions (5) follow the slip ring curvature and together form a curved stair contour.
- the VDSE (3) are aligned essentially straight, lie flat with their carrier blades (1) on the step side (5 ') and are aligned tangentially to the slip ring (7).
- the VDSE (3) of each stage form a VDSE layer (A, B), the layers of several neighboring stages overlapping like a scale.
- the layers (A, B) alternate regularly.
- the orientation of the tangential step side (5 ") is such that the free ends of the individual VDSE layers (A, B) describe said envelope curve (10).
- the radius of this envelope curve (10) is preferably somewhat smaller than the radius of the one that can be applied.
- the elastic multi-wire grinders (2) of the VDSE layers preferably lie tangentially on the circumference or jacket of the slip ring (7) with slight pressure.
- VDSE layers are preferably offset from one another and have a different number of VDSE (3).
- position (A) e.g. three VDSE (3) arranged side by side.
- the location (B) has two VDSE (3).
- Layers (A, B) are such that the multi-wire grinders (2) of one layer (A) are exactly at a gap to the multi-wire grinders (2) of an adjacent layer (B).
- the multi-wire grinders (2) of a layer (A, B) form a common two- or three-part grinding track on the circumference of a slip ring (7) to be applied.
- the layers (A, B) are offset in such a way that the different grinding tracks of the layers (A, B) together result in a continuous, wide total grinding track.
- the VDSE (3) are connected to the VDSE carrier in the area of the step incisions (5) at the points (11), preferably by welding or riveting.
- the carrier sheets (1) are each attached to the tangential step sides (5 ').
- a plurality of brush heads (6) are preferably arranged distributed over the circumference of the slip ring (7). Furthermore, several brush heads (6) can be arranged side by side in order to create additional or wider grinding marks.
- FIG. 6 shows a variant of the VDSE carrier (4) and the design and attachment of the individual multi-wire grinding elements VDSE (3).
- the carrier ' (4) in this embodiment has an essentially smooth inner wall (12) which is curved concentrically to the axis (13) without the step incisions present in the previous exemplary embodiment.
- the VDSE (3) have on their support blades (1) bent end parts or
- Foot flaps (16) which abut the inner wall (12) in some areas and are connected to the fastening points (11) in a suitable manner by welding, soldering, riveting, screwing or the like.
- the number and arrangement of the brush blocks (6) can vary.
- the number, distribution and arrangement of the VDSE (3) within the brush blocks (6) can be modified.
- a disk-shaped design of the slip ring (1) with correspondingly curved brush blocks (6) and VDSE (3) arranged one behind the other in the arc is also possible.
- VDSE multi-wire grinding element
- VDSE carrier 5 step cut 5 'tangential step side 5''other step side l ° - ⁇ brush block 7 slip ring 8.
Landscapes
- Motor Or Generator Current Collectors (AREA)
- Brushes (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Pens And Brushes (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20312458U DE20312458U1 (de) | 2003-08-13 | 2003-08-13 | Bürstenblock zur Übertragung von Strömen auf einen Schleifring |
PCT/EP2004/008838 WO2005020391A1 (de) | 2003-08-13 | 2004-08-06 | Bürstenblock zur übertragung von strömen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1654787A1 EP1654787A1 (de) | 2006-05-10 |
EP1654787B1 EP1654787B1 (de) | 2011-03-02 |
EP1654787B8 true EP1654787B8 (de) | 2011-06-15 |
Family
ID=33547267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04763871A Expired - Lifetime EP1654787B8 (de) | 2003-08-13 | 2004-08-06 | Bürstenblock zur übertragung von strömen |
Country Status (8)
Country | Link |
---|---|
US (1) | US7287985B2 (de) |
EP (1) | EP1654787B8 (de) |
JP (1) | JP4621670B2 (de) |
AT (1) | ATE500638T1 (de) |
DE (2) | DE20312458U1 (de) |
DK (1) | DK1654787T3 (de) |
ES (1) | ES2362901T3 (de) |
WO (1) | WO2005020391A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8362673B2 (en) * | 2009-04-06 | 2013-01-29 | ISC8 Inc. | Micro-image acquisition and transmission system |
DE102009058259B4 (de) * | 2009-12-14 | 2015-05-28 | Siemens Aktiengesellschaft | Bürstendesign für Schleifringkontakte |
DE102011006820A1 (de) | 2011-04-06 | 2012-10-11 | Schleifring Und Apparatebau Gmbh | Vibrationsfeste Schleifringanordnung |
DE102011053979B4 (de) * | 2011-09-27 | 2017-12-28 | Walter Maschinenbau Gmbh | Schleifkontakteinrichtung einer Erodiereinrichtung einer kombinierten Schleif- und Erodiermaschine und Verfahren zur Herstellung einer Schleifkontakteinrichtung |
DE202014101130U1 (de) * | 2014-03-12 | 2015-06-16 | Walter Kraus Gmbh | Schleifkontaktkörper |
DE102018213999A1 (de) * | 2018-08-20 | 2020-02-20 | Spinner Gmbh | Gleitkontaktkörper sowie elektrischer Drehübertrager |
CN113258962B (zh) * | 2021-06-11 | 2021-10-15 | 浙江芯昇电子技术有限公司 | 一种多通道无线滑环的信号传输方法和无线滑环传输系统 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1913246A1 (de) | 1969-03-15 | 1970-10-01 | Bayer Ag | Verfahren zur Herstellung von verfestigten Vliesen und Matten |
US4167685A (en) * | 1974-06-10 | 1979-09-11 | National Research Development Corporation | Electrical machine commutator arrangement having shaped conductive segments for reduced sparking |
GB1499808A (en) * | 1975-03-05 | 1978-02-01 | Int Research & Dev Co Ltd | Electrical machines |
US4337407A (en) * | 1980-04-29 | 1982-06-29 | Westinghouse Electric Corp. | Insulated strand brushes |
US4358699A (en) * | 1980-06-05 | 1982-11-09 | The University Of Virginia Alumni Patents Foundation | Versatile electrical fiber brush and method of making |
US5049771A (en) * | 1990-06-21 | 1991-09-17 | Iap Research, Inc. | Electrical machine |
US5712522A (en) * | 1995-05-26 | 1998-01-27 | Nippondenso Co., Ltd. | Starter with multi-layered brush structure |
JP2890118B2 (ja) * | 1997-06-30 | 1999-05-10 | 恒雄 塩沢 | 回転体への給電装置とブラシ帯 |
DE19913246A1 (de) * | 1999-03-24 | 2000-09-28 | Siedle Horst Gmbh & Co Kg | Schleifer zur Übertragung elektrischer Signale |
DE10134277A1 (de) * | 2001-07-13 | 2003-01-23 | Willi Eichholz | Stromabnehmer (Schleifkontakt) in Blattfederausführung |
DE20115215U1 (de) * | 2001-09-14 | 2001-11-15 | Morgan-Rekofa GmbH, 53474 Bad Neuenahr-Ahrweiler | Stromübertragungselement zur elektrischen Leistungs- und/oder Datenstromübertragung zwischen einem Rotor und einem Stator |
JP4426172B2 (ja) | 2001-12-20 | 2010-03-03 | マブチモーター株式会社 | 小型モータに一体化したエンコーダ装置 |
-
2003
- 2003-08-13 DE DE20312458U patent/DE20312458U1/de not_active Expired - Lifetime
-
2004
- 2004-08-06 JP JP2006522965A patent/JP4621670B2/ja not_active Expired - Fee Related
- 2004-08-06 DE DE502004012265T patent/DE502004012265D1/de not_active Expired - Lifetime
- 2004-08-06 EP EP04763871A patent/EP1654787B8/de not_active Expired - Lifetime
- 2004-08-06 ES ES04763871T patent/ES2362901T3/es not_active Expired - Lifetime
- 2004-08-06 AT AT04763871T patent/ATE500638T1/de active
- 2004-08-06 WO PCT/EP2004/008838 patent/WO2005020391A1/de active Application Filing
- 2004-08-06 US US10/567,818 patent/US7287985B2/en not_active Expired - Lifetime
- 2004-08-06 DK DK04763871.3T patent/DK1654787T3/da active
Also Published As
Publication number | Publication date |
---|---|
JP2007502098A (ja) | 2007-02-01 |
DE502004012265D1 (de) | 2011-04-14 |
DK1654787T3 (da) | 2011-06-14 |
US20060286821A1 (en) | 2006-12-21 |
WO2005020391A1 (de) | 2005-03-03 |
ES2362901T3 (es) | 2011-07-14 |
DE20312458U1 (de) | 2004-12-23 |
EP1654787A1 (de) | 2006-05-10 |
JP4621670B2 (ja) | 2011-01-26 |
ATE500638T1 (de) | 2011-03-15 |
US7287985B2 (en) | 2007-10-30 |
EP1654787B1 (de) | 2011-03-02 |
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