EP1610425A1 - Ressort de balais pour collecteur de courant à bague collectrice - Google Patents

Ressort de balais pour collecteur de courant à bague collectrice Download PDF

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Publication number
EP1610425A1
EP1610425A1 EP04020357A EP04020357A EP1610425A1 EP 1610425 A1 EP1610425 A1 EP 1610425A1 EP 04020357 A EP04020357 A EP 04020357A EP 04020357 A EP04020357 A EP 04020357A EP 1610425 A1 EP1610425 A1 EP 1610425A1
Authority
EP
European Patent Office
Prior art keywords
contact
brush spring
region
spring according
clamping
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
Application number
EP04020357A
Other languages
German (de)
English (en)
Other versions
EP1610425B1 (fr
Inventor
Klaus Dipl.-Ing. Barthelt
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.)
Stemmann Technik GmbH
Original Assignee
Stemmann Technik GmbH
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 Stemmann Technik GmbH filed Critical Stemmann Technik GmbH
Priority to EP04020357A priority Critical patent/EP1610425B1/fr
Publication of EP1610425A1 publication Critical patent/EP1610425A1/fr
Application granted granted Critical
Publication of EP1610425B1 publication Critical patent/EP1610425B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R39/39—Brush holders wherein the brush is fixedly mounted in the holder

Definitions

  • the invention relates to a brush spring for a slip ring according to the features in the preamble of claim 1.
  • Such a brush spring is counted by DE 101 58 381 A1 to the state of Technology. It has a straight extending wire-like contact shaft, which may consist of a copper-beryllium alloy. On the free At the end of the contact shaft, a sleeve of gold is pushed through and through Crimps set. The sleeve facing away from the end of the contact shaft goes in a helical spring coil over. At this spring coil closes to the contact shaft parallel extending straight length section on, which merges into an S-shaped bent clamping portion. The free end of the clamping portion facing away from the contact shaft in one Direction.
  • the invention is - starting from the prior art - the task to provide a brush spring for a slip ring, the Not only is it simpler, but it also reduces the amount of time spent on the task requires.
  • the core of the invention is the fact that the contact shaft is over a right-angled gradation in the in a bending plane with gradation extending clamping section passes.
  • This not only has the advantage of being in a circuit board of a stator of a Schleifringübertragers only one Recess must be provided through which the entire clamping section can be inserted until the system of gradation on the board, but that the contact shaft of the brush spring already before their fixation the board with the end contact area of a noble metal, such as especially gold, which can then be attached to a slip ring of the Rotor part of Schleifringübertragers reaches the plant. This will be it possible to pre-assemble brush springs in the assembly line process.
  • the assembly a slip ring transmitter is simplified and economical designed cheaper.
  • the gradation between the contact shaft and the clamping portion forms according to the embodiment of claim 2 a part of the two facing U-shaped longitudinal portions having clamping portion a strap.
  • This bracket is used during assembly through the recess pushed in the board, due to its springy character in the bending plane is compressed. If the gradation reaches the bottom the board, the bracket can spread again, leaving the U-shaped Length sections surround the edge regions of the recess, whereby the Brush spring is fixed in position.
  • the bracket on a trapezoidal contour This can the bracket can be easily pushed through the recess.
  • the support area of the clamping portion is formed by two aligned legs of the U-shaped Length sections formed. The opposite legs of the U-shaped Length sections engage under the board.
  • the brush spring can be made of a cross-sectionally round spring wire section be formed.
  • the spring wire section has a rectangular cross section, wherein its thickness measured in the bending plane is smaller than that measured transversely thereto Width is. This will provide sufficient stability with good resilient Features guaranteed.
  • a preferred embodiment of the spring wire section is in the features of claim 6 seen. Thereafter, the ratio of the width to the thickness about as big as 3.5: 1.
  • the contact area is formed by a U-shaped shell extending over the Inner sides of their legs is welded to the contact shaft.
  • Preferably Laser welding is used.
  • Such training allows greater manufacturing tolerances and also reduces the economic Effort because less noble material used for the contact area must be, especially since only a peripheral region of the contact area at one Slip ring comes to the plant.
  • cup-shaped contact area made of a spring-hard gold alloy consists.
  • the contact area by a on the Contact shaft is made of welded gold wire.
  • the determination of the Gold wire on a flat side of the contact shaft is preferably carried out by Resistance welding.
  • the cost of materials is also further reduced, in particular from a cost point of view, if according to claim 11 of the contact shaft a copper-nickel alloy.
  • the contact shaft may consist of stainless 1.4310.
  • Both on the rotor part 3 facing side 4 of the board 2 and on the opposite side 5 extend not shown interconnects of an electrically conductive material whose width depends on it, what amounts of data or which stream in which amperage between to be transmitted to the rotor part 3 and the stator.
  • Each brush spring. 6 has a straight extending contact shaft 7 made of a copper-nickel alloy on.
  • a Contact area 9 which interacts with a slip ring on the rotor part 3.
  • the contact region 9 is formed by a sleeve Gold formed, for example, by crimping on the end 8 of the contact shaft 7 is fixed.
  • the contact region can also be represented by a U-shaped one as shown in FIG Shell 9a be formed over the inner sides 10 of their legs 11th is connected to the contact shaft 7 by laser welding 12. These Shell 9a then only needs to lie on the side of the contact shaft 7, where it comes into contact with the slip ring of the rotor part 3. She consists preferably from a spring-hard gold alloy.
  • the contact shaft 7 is at a distance from Contact area 9 provided with a rectangular gradation 13.
  • the clamping portion 14 has a support area 15 and a clamping area 16.
  • the Support area 15 is characterized by an arcuate curvature of one end of a formed at the gradation 13 subsequent U-shaped bracket 17.
  • the Support area 15 passes over an S-shaped compensating area 18 in the L-shaped clamping region 16 via.
  • This clamping area 16 has a plant leg 19 and an angled end-side Clamping leg 20.
  • the clamping leg 20 is to the plant leg 19th deflected at an angle that is ⁇ 90 °.
  • FIG. 3 shows, in the arrangement of a plurality of brush springs 6 next to each other then correspondingly larger recesses 21 a in the board. 2 intended.
  • the mutually opposite areas of the recess 21 a are to the contour of the wire of the clamping portion 14 of the brush springs. 6 fitted grooves 22 provided.
  • Both the rounded end faces of the recess 21 and the grooves 22nd the recess 21 a are coated with an electrically conductive material, which is in communication with the tracks on the board 2.
  • a board 2a with Recesses 21 b provided. Otherwise, the board 2a corresponds to the already described board 2 according to Figure 1.
  • the brush spring 6a consists of a spring wire section with a rectangular Cross section ( Figure 7).
  • measured thickness D smaller than the width B measured transversely thereto Ratio of the width B to the thickness D of the brush spring 6a is about 3.5: 1.
  • the contact area 9b at the end of the straight extending contact shaft 7 is formed by a short gold wire, which is made by resistance welding on the rotor part 3 facing flat side 23 of the contact shaft 7 is attached.
  • the contact shaft 7 is followed by a right-angled step 13a Clamping portion 14a on.
  • This comprises a U-shaped longitudinal section 24.
  • a trapezoidal shape closes bent bracket 17 a, which in turn into a U-shaped longitudinal section 25 passes.
  • the support area 15a is aligned by two aligned Leg 26 of the U-shaped lengths 24, 25 formed, which on the the rotor part 3 facing away from side 5 of the board 2a, whereas the Clamping region 16a is formed by the U-shaped longitudinal sections 24, 25.
  • edges 29 of the recess 21b may be grooved, as illustrated in Figure 3 for the circular cross-section brush spring 6 are.
  • the grooves then have a on the cross section of the brush springs 6a adapted cross section.

Landscapes

  • Motor Or Generator Current Collectors (AREA)
  • Brushes (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
EP04020357A 2004-06-17 2004-08-27 Ressort de balais pour collecteur de courant à bague collectrice Active EP1610425B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04020357A EP1610425B1 (fr) 2004-06-17 2004-08-27 Ressort de balais pour collecteur de courant à bague collectrice

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP04014161 2004-06-17
EP04014161A EP1610424A1 (fr) 2004-06-17 2004-06-17 Ressort de balais pour collecteur de courant à bague collectrice
EP04020357A EP1610425B1 (fr) 2004-06-17 2004-08-27 Ressort de balais pour collecteur de courant à bague collectrice

Publications (2)

Publication Number Publication Date
EP1610425A1 true EP1610425A1 (fr) 2005-12-28
EP1610425B1 EP1610425B1 (fr) 2006-10-11

Family

ID=34925378

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04014161A Withdrawn EP1610424A1 (fr) 2004-06-17 2004-06-17 Ressort de balais pour collecteur de courant à bague collectrice
EP04020357A Active EP1610425B1 (fr) 2004-06-17 2004-08-27 Ressort de balais pour collecteur de courant à bague collectrice

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP04014161A Withdrawn EP1610424A1 (fr) 2004-06-17 2004-06-17 Ressort de balais pour collecteur de courant à bague collectrice

Country Status (5)

Country Link
EP (2) EP1610424A1 (fr)
AT (1) ATE342592T1 (fr)
DE (1) DE502004001732D1 (fr)
DK (1) DK1610425T3 (fr)
ES (1) ES2273134T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013143842A1 (fr) * 2012-03-26 2013-10-03 Schleifring Und Apparatebau Gmbh Bloc de balais pour système de bague collectrice
CN108127484A (zh) * 2017-11-29 2018-06-08 北京空间机电研究所 一种使用拼接环粘接的反射镜光学加工方法及加工装置
PL423208A1 (pl) * 2017-10-19 2019-04-23 Zakl Automatyki I Urzadzen Pomiarowych Arex Spolka Z Ograniczona Odpowiedzialnoscia Elektryczne złącze ślizgowe

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006002104A1 (de) * 2006-01-17 2007-07-19 Ltn Servotechnik Gmbh Schleifringbürste und damit ausgestattete Schleifringeinheit
DE102013212723A1 (de) * 2013-06-28 2014-12-31 Robert Bosch Gmbh Elektrische Maschine mit einem Kommutator
CN104821474B (zh) * 2015-04-30 2017-06-27 中航光电科技股份有限公司 一种电旋转连接器
DE102015222200B3 (de) * 2015-11-11 2017-05-04 Schunk Gerhard Carbon Technology GmbH Schleifkontakt
CN106848793B (zh) * 2016-12-30 2023-07-25 摩腾科技（上海）有限公司 带有弹性导电装置变桨滑环电刷
EP3454435B1 (fr) * 2017-09-06 2019-09-04 Schleifring GmbH Brosse à fils d'or stabilisée pour bagues collectrices

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2368980A (en) * 1999-07-15 2002-05-15 Zhicheng Shao Rotatable electrical joint,joint holder and cordless electrical appliance
EP1317030A2 (fr) * 2001-11-28 2003-06-04 Stemmann-Technik GmbH Transmetteur à bague collectrice
US6612849B1 (en) * 2002-05-21 2003-09-02 Charles Howard Scott Rotatable coupler for RF/UHF cables

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2368980A (en) * 1999-07-15 2002-05-15 Zhicheng Shao Rotatable electrical joint,joint holder and cordless electrical appliance
EP1317030A2 (fr) * 2001-11-28 2003-06-04 Stemmann-Technik GmbH Transmetteur à bague collectrice
US6612849B1 (en) * 2002-05-21 2003-09-02 Charles Howard Scott Rotatable coupler for RF/UHF cables

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013143842A1 (fr) * 2012-03-26 2013-10-03 Schleifring Und Apparatebau Gmbh Bloc de balais pour système de bague collectrice
US9281648B2 (en) 2012-03-26 2016-03-08 Schleifring Und Apparatebau Gmbh Brush block for a slipring
PL423208A1 (pl) * 2017-10-19 2019-04-23 Zakl Automatyki I Urzadzen Pomiarowych Arex Spolka Z Ograniczona Odpowiedzialnoscia Elektryczne złącze ślizgowe
CN108127484A (zh) * 2017-11-29 2018-06-08 北京空间机电研究所 一种使用拼接环粘接的反射镜光学加工方法及加工装置
CN108127484B (zh) * 2017-11-29 2019-09-06 北京空间机电研究所 一种使用拼接环粘接的反射镜光学加工方法及加工装置

Also Published As

Publication number Publication date
DK1610425T3 (da) 2007-02-19
ATE342592T1 (de) 2006-11-15
ES2273134T3 (es) 2007-05-01
EP1610425B1 (fr) 2006-10-11
DE502004001732D1 (de) 2006-11-23
EP1610424A1 (fr) 2005-12-28

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