EP2831961B1 - Brush block for a slip ring arrangement - Google Patents
Brush block for a slip ring arrangement Download PDFInfo
- Publication number
- EP2831961B1 EP2831961B1 EP13711857.6A EP13711857A EP2831961B1 EP 2831961 B1 EP2831961 B1 EP 2831961B1 EP 13711857 A EP13711857 A EP 13711857A EP 2831961 B1 EP2831961 B1 EP 2831961B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- carrier
- brush block
- spring
- block according
- contact
- 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.)
- Not-in-force
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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
- H01R39/64—Devices for uninterrupted current collection
- H01R39/643—Devices for uninterrupted current collection through ball or roller bearing
-
- 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
-
- 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
- H01R39/36—Connections of cable or wire to brush
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
-
- 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
- H01R39/64—Devices for uninterrupted current collection
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Motor Or Generator Current Collectors (AREA)
Description
Die Erfindung betrifft einen Bürstenblock sowie eine Schleifringanordnung zur Übertragung elektrischer Signale mittels Schleifkontakten zwischen gegeneinander drehbaren Teilen. Auf einer Schleifbahn aus elektrisch leitfähigem Material schleift wenigstens ein Schleifkontakt, auch Bürste genannt, aus einem ebenfalls elektrisch leitfähigen Material. Durch den galvanischen Kontakt zwischen Schleifbahn und Bürste kann elektrischer Strom übertragen werden.The invention relates to a brush block and a slip ring assembly for transmitting electrical signals by means of sliding contacts between mutually rotatable parts. On a sliding track made of electrically conductive material, at least one sliding contact, also called a brush, grinds from a likewise electrically conductive material. Due to the galvanic contact between the grinding path and brush electrical current can be transmitted.
Ein Bürstenblock, bei dem Federdrähte in einer Leiterplatte verlötet sind, ist beispielsweise aus der
In der
Der Erfindung liegt die Aufgabe zugrunde, einen Bürstenblock sowie eine Schleifringanordnung derart auszugestalten, dass diese auch langfristig eine stabile Fixierung der Bürsten und eine sichere Kontaktierung ermöglicht. Gleichzeitig soll dieser Bürstenblock sowie diese Schleifringanordnung einfach und kostengünstig herstellbar sein, sowie eine hohe Lebensdauer und Zuverlässigkeit besitzen. Weiterhin soll eine flexible Bürstenanordnung und insbesondere eine Platz sparende V-förmige Bürstenanordnung möglich sein, bei der auch mehrere Bürstenblöcke an einem Schleifring angebracht werden können.The invention has for its object to design a brush block and a slip ring assembly such that it allows long-term stable fixation of the brushes and secure contact. At the same time this brush block and this slip ring assembly should be easy and inexpensive to produce, and have a long life and reliability. Furthermore, a flexible brush assembly and in particular a space-saving V-shaped brush arrangement should be possible, in which a plurality of brush blocks can be attached to a slip ring.
Diese Aufgabe wird durch eine Vorrichtung mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben. Ein erfindungsgemäßer Bürstenblock für eine Schleifbahn umfasst wenigstens einen Träger, der vorzugsweise eine Leiterplatte ist. Weiterhin umfasst der Bürstenblock wenigstens einen Federbügel, der am Träger elektrisch kontaktiert und mechanisch fixiert ist. Der Federbügel besteht bevorzugt aus einem Metalldraht oder aus einem metallischen Flachmaterial. Langzeituntersuchungen bei Bürstenblöcken haben gezeigt, dass Lötstellen die sowohl zur Kontaktierung als auch zur mechanischen Fixierung von Bürsten verwendet werden, oftmals vorzeitig ausfallen. Daher basiert der erfindungsgemäße Bürstenblock auf einer Trennung von elektrischer Kontaktierung und mechanischer Fixierung.This object is achieved by a device having the features of claim 1. Advantageous embodiments of the invention are specified in the subclaims. An inventive brush block for a sliding track comprises at least one carrier, which is preferably a printed circuit board. Furthermore, the brush block comprises at least one spring clip, which is electrically contacted on the carrier and mechanically fixed. The spring clip is preferably made of a metal wire or of a metallic sheet. Long-term investigations on brush blocks have shown that solder joints which are used both for contacting and mechanically fixing brushes often fail prematurely. Therefore, the brush block according to the invention is based on a separation of electrical contacting and mechanical fixing.
Hierzu umfasst der Träger zwei vorzugsweise im wesentlichen parallele Bohrungen, die einen gekröpften Federbügel halten. Dabei befindet sich der gekröpfte Teil des Federbügels auf der ersten Seite des Trägers, während der Federbügel auf der zweiten Seite des Trägers, die zur Schleifbahn bzw. zum Schleifringmodul hin gerichtet ist, wenigstens eine Kontaktfeder, bevorzugt zwei Kontaktfedern ausbildet. Der Federbügel ist auf der ersten Seite elektrisch kontaktiert. Hierzu ist er mit einem elektrischen Leiter, beispielsweise einer Leiterbahn, am Träger verlötet. Auf der zweiten Seite des Trägers ist keine Lötverbindung mit dem Federbügel. Durch diese Anordnung erfolgt nun vorzugsweise auf der ersten Seite des Trägers durch eine Kontaktierungsstelle, welche bevorzugt eine Lötstelle ist, eine elektrische Kontaktierung. Alternativ kann die Kontaktierungsstelle auch einen Einpresskontakt umfassen. Kräfte, die von einer Schleifbahn auf die Kontaktfedern erzeugt werden, werden über die Bohrungen ausgehend von der zweiten Seite des Trägers in den Träger eingeleitet. Zwischen der Kontaktfeder und der Kontaktierungsstelle befindet sich auf der ersten Seite des Trägers weiterhin eine Kröpfung zur mechanischen Entlastung der Kontaktierungs-Lötstelle. Die Kröpfung ist hier ein federndes Element. Somit belasten die Andruckkräfte der Kontaktfeder die Lötstelle nicht, was zu einer wesentlichen Verlängerung der Lebensdauer und einer deutlich höheren Zuverlässigkeit führt. Dadurch, dass der Federbügel in zwei Bohrungen gehalten ist, ergibt sich auch eine Verdrehsicherung, die die Aufnahme von Drehmomenten parallel zur Oberfläche des Trägers ohne Belastung der Lötstelle erlaubt. Die Kontaktierungsstelle und insbesondere Kontaktierungslötstelle könnte auch eine Durchkontaktierung in einer Bohrung sein, sofern durch diese Bohrung nicht ein Segment des Federbügels mit einer Kontaktfeder führt. Weiterhin ist es bevorzugt, wenn die Bohrung einen Durchmesser entsprechend dem Durchmesser des Federbügels aufweist. Um eine gute seitliche Führung des Federbügels zu ermöglichen, sollte der Durchmesser der Bohrung nicht größer als der doppelte Durchmesser, bevorzugt der 1,5 fache und besonders bevorzugt der 1,2 bzw. 1,1, 1.05 oder 1,01-fache Durchmesser sein. Um eine noch bessere Führung bzw. Fixierung zu erreichen, könnte der Federbügel auch in die Bohrung eingepresst sein. Hierzu hat die Bohrung bevorzugt einen geringeren Durchmesser als der Durchmesser des Federbügels ist. Bevorzugt beträgt in diesem Fall der Durchmesser der Bohrung nicht mehr als das das 0,95 oder 0,9-fache und besonders bevorzugt das 0,8-fache des Durchmessers des Federbügels. Um die Stabilität der Bohrung zu erhöhen, könnte diese mit einer Durchkontaktierung versehen sein. In diesem Falle hat die Durchkontaktierung vorzugsweise mechanisch stützende Eigenschaften und verstärkt die Bohrung. Obwohl sie zur Verbesserung der elektrischen Kontaktierung mit dem Träger dient, erfolgt primär die elektrische Kontaktierung durch die mechanisch nicht belastete Lötstelle. Im Falle eines Federbügels aus einem Flachmaterial könnte anstelle einer Bohrung auch eine Aussparung mit einem Querschnitt entsprechend dem Querschnitt des Flachmaterials vorgesehen sein.For this purpose, the carrier comprises two preferably substantially parallel bores which hold a bent spring clip. In this case, the cranked part of the spring clip is located on the first side of the carrier, while the spring clip on the second side of the carrier, which is directed towards the grinding path or the slip ring module, forms at least one contact spring, preferably two contact springs. The spring clip is electrically contacted on the first side. For this purpose, it is soldered to the carrier with an electrical conductor, for example a conductor track. There is no solder connection to the spring clip on the second side of the carrier. As a result of this arrangement, an electrical contacting is now preferably carried out on the first side of the carrier by means of a contacting point, which is preferably a soldering point. Alternatively, the contacting can also include a press-in. Forces generated by a slip path on the contact springs are introduced into the carrier via the bores starting from the second side of the carrier. Between the contact spring and the contacting point is located on the first side of the carrier further a crank for mechanical relief of the bonding solder joint. The bend is here a resilient element. Thus, the pressure forces of the contact spring do not burden the solder joint, resulting in a substantial extension of the life and a much higher reliability. The fact that the spring clip is held in two holes, there is also an anti-rotation, which allows the recording of torques parallel to the surface of the carrier without loading the solder joint. The contacting and in particular Kontaktierungslötstelle could also be a through hole in a hole, unless through this hole a segment of the spring clip with a contact spring leads. Furthermore, it is preferred if the bore has a diameter corresponding to the diameter of the spring clip. In order to allow a good lateral guidance of the spring clip, the diameter of the bore should not be greater than twice the diameter, preferably 1.5 times and more preferably 1.2, or 1.1, 1.05 or 1.01 times the diameter , In order to achieve an even better guidance or fixation, the spring clip could also be pressed into the bore. For this purpose, the bore preferably has a smaller diameter than the diameter of the spring clip. Preferably, in this case, the diameter of the bore is not more than 0.95 or 0.9 times and more preferably 0.8 times the diameter of the spring clip. To increase the stability of the bore, it could be provided with a via. In this case, the via preferably has mechanically supporting properties and reinforces the bore. Although it serves to improve the electrical contact with the carrier, primarily the electrical contact is made by the mechanically non-loaded solder joint. In the case of a spring clip made of a flat material, a recess with a cross section corresponding to the cross section of the flat material could be provided instead of a bore.
In einer ersten Variante der Erfindung weist der Federbügel ein Mittelstück mit zwei Enden auf, bei dem an jedem Ende eine Kröpfung mit anschließender Kontaktfeder vorgesehen ist.In a first variant of the invention, the spring clip has a center piece with two ends, in which a crank with subsequent contact spring is provided at each end.
In einer weiteren Variante der Erfindung ist nur an einem Ende des Mittelstücks eine Kröpfung mit anschließender Kontaktfeder vorgesehen.In a further variant of the invention, a crank with subsequent contact spring is provided only at one end of the middle piece.
Alternativ können anstelle einer Kröpfung auch zwei oder mehrere Kröpfungen hintereinander vorgesehen sein. Grundsätzlich kann eine Kröpfung verschiedene Formen haben. Sie könnte halbrund oder rechteckig sein, oder auch eine vieleckige Drahtführung aufweisen.Alternatively, two or more cranks can be provided in succession instead of a cranking. Basically, a bend can have different shapes. It could be semicircular or rectangular, or have a polygonal wire guide.
Besonders bevorzugt ist hier eine Anordnung der Kontaktfeder in V-Form, da diese besonders kompakt ist und gute Übertragungseigenschaften aufweist. Allerdings ist entsprechend jede andere insbesondere auch eine U-Form herstellbar, bei der die Kontaktfedern ungefähr senkrecht aus den Bohrungen des Trägers herausragen.Particularly preferred here is an arrangement of the contact spring in V-shape, since this is particularly compact and has good transmission properties. However, according to each other in particular also a U-shape can be produced, in which the contact springs protrude approximately perpendicularly from the holes of the carrier.
Bevorzugt ist der Federbügel innerhalb der Bohrungen nicht verlötet. Besonders bevorzugt sind daher die Bohrungen im Inneren nicht metallisiert. Es lassen sich aber auch mit Federbügeln, die in den Bohrungen verlötet sind, gute Ergebnisse erzielen. So ist die Lötstelle in der Bohrung nicht primär für den elektrischen Kontakt notwendig, da der elektrische Kontakt über eine durch eine Kröpfung mechanisch entkoppelte Kontaktierungsstelle erfolgt. Somit würde ein solcher Bürstenblock auch beim Ausfall dieser Lötstelle in der Bohrung einwandfrei funktionieren.Preferably, the spring clip is not soldered within the holes. Therefore, the holes are particularly preferably not metallized in the interior. It can also be achieved with spring clips that are soldered in the holes, good results. Thus, the solder joint in the bore is not primarily necessary for the electrical contact, since the electrical contact is made via a mechanically decoupled by a bend contacting position. Thus, such a brush block would work well even if this solder joint in the hole.
Die Bürsten sind bevorzugt Metalldrähte und umfassen wenigstens ein elektrisch leitfähiges Material. Bevorzugt haben Sie einen Kern aus einem mechanisch stabilen und federelastischen Material, wie beispielsweise Stahl, Kupfer-Beryllium oder Messing sowie eine äußere Beschichtung oder Hülle aus einem elektrisch gut leitenden und vorzugsweise korrosionsbeständigen Material, wie beispielsweise Silber, Gold oder einer Goldlegierung. Ebenso können die Bürsten auch Drähte aus Silber/oder Gold bzw. Legierungen davon umfassen.The brushes are preferably metal wires and comprise at least one electrically conductive material. Preferably, you have a core of a mechanically stable and resilient material, such as steel, copper beryllium or brass and an outer coating or shell of a highly electrically conductive and preferably corrosion-resistant material, such as silver, gold or a gold alloy. Likewise, the brushes may also comprise wires of silver / or gold or alloys thereof.
Eine erfindungsgemäße Schleifringanordnung weist eine Schleifbahn sowie wenigstens einen der hier offenbarten Bürstenblöcke auf. Zur Führung der Bürsten hat die Schleifbahn bevorzugt wenigstens eine V-Nut. Grundsätzlich sind aber auch Schleifbahnen mit anderen Geometrien einsetzbar. Dies können beispielsweise ebene Schleifbahnen oder Schleifbahnen mit U-förmigen Nuten (halbkreisförmig, elliptisch) sein.A slip ring arrangement according to the invention has a slideway and at least one of the brush blocks disclosed herein. For guiding the brushes, the grinding path preferably has at least one V-groove. In principle, however, also sliding tracks with other geometries can be used. These may be, for example, flat sliding tracks or sliding tracks with U-shaped grooves (semicircular, elliptical).
Ein Erfindungsgemäßes Verfahren zur Herstellung eines hierin beschriebenen Bürstenblocks umfasst die folgenden Schritte:
- 1. Bereitstellen eines Trägers mit wenigstens zwei Bohrungen,
- 2. Einsetzen eines Federbügels mit wenigstens einer Kröpfung,
- 3. Herstellen einer Kontaktierungs-Lötstelle.
- 1. providing a carrier with at least two holes,
- 2. Inserting a spring clip with at least one offset,
- 3. Make a bonding solder joint.
Optional kann noch ein seitliches Verbiegen der Kontaktfeder zur Einstellung des korrekten Winkels bzw. der korrekten Form, wie beispielsweise einer V-Form erfolgen.Optionally, a lateral bending of the contact spring for adjusting the correct angle or the correct shape, such as a V-shape can be done.
Die Erfindung wird nachstehend ohne Beschränkung des allgemeinen Erfindungsgedankens anhand von Ausführungsbeispielen unter Bezugnahme auf die Zeichnungen exemplarisch beschrieben.
- Figur 1
- zeigt einen erfindungsgemäßen Bürstenblock
- Figur 2
- zeigt den Schnitt eines Bürstenblocks
- Figur 3
- zeigt einen weiteren Schnitt eines Bürstenblocks
- Figur 4
- zeigt ein Detail eines Federbügels
- Figur 5
- zeigt eine andere Ausführung der Erfindung
- Figur 6
- zeigt eine weitere Ausführung der Erfindung
- Figur 7
- zeigt einen kompletten Schleifringübertrager
- Figur 8
- zeigt die Kräfte an Kontaktfedern
- FIG. 1
- shows a brush block according to the invention
- FIG. 2
- shows the section of a brush block
- FIG. 3
- shows a further section of a brush block
- FIG. 4
- shows a detail of a spring clip
- FIG. 5
- shows another embodiment of the invention
- FIG. 6
- shows a further embodiment of the invention
- FIG. 7
- shows a complete slip ring transmission
- FIG. 8
- shows the forces on contact springs
In
In
In
In
In der
In der
Die
In der
- 1010
- SchleifringmodulSlip ring module
- 1111
- Schleifbahnsliding track
- 1212
- SchleifbahnträgerGrinding track carrier
- 2020
- Bürstenblockbrush block
- 2121
- Trägercarrier
- 2222
- erste Kontaktfederfirst contact spring
- 2323
- zweite Kontaktfedersecond contact spring
- 2424
- erste Bohrungfirst hole
- 2525
- zweite Bohrungsecond hole
- 2626
- erste Seite des Trägersfirst side of the carrier
- 2727
- zweite Seite des Trägerssecond side of the carrier
- 3030
- Federbügelspring clip
- 3131
- erste Kontaktfederfirst contact spring
- 3232
- zweite Kontaktfedersecond contact spring
- 3333
- erste Kröpfungfirst bend
- 3434
- zweite Kröpfungsecond bend
- 3535
- Mittelstückcenterpiece
- 3636
- Biegestellebend
- 37, 3837, 38
- Enden des MittelstücksEnds of the centerpiece
- 4040
- Kontaktierungsstellecontact site
- 4141
- Lötstelle KontaktfederSoldering contact spring
- 5151
- erste Kontaktfederfirst contact spring
- 5252
- zweite Kontaktfedersecond contact spring
- 5353
- erste Kröpfungfirst bend
- 5454
- zweite Kröpfungsecond bend
- 5555
- erstes Endstückfirst tail
- 5656
- zweites Endstücksecond tail
- 60, 6260, 62
- Leiterbahnconductor path
- 61, 6361, 63
- Anschlussbohrungconnection bore
- 6868
- Befestigungselementfastener
- 6969
- Befestigungsbohrungmounting hole
- 71, 7271, 72
- Kräfte auf die KontaktfedernForces on the contact springs
- 73, 7473, 74
- Kraftkomponentenforce components
Claims (12)
- Brush block for a sliding track (11)comprising at least one carrier (21) with a first side facing away from the sliding track, a second side facing towards the sliding track, and at least one spring wire (30) fastened thereto, with at least one contact spring (31, 32, 51), wherein the spring wire is connected by at least one contacting point (40) electrically conductive with an electrical conductor at the carrier, the carrier (21) comprising two bores (24, 25) for supporting the spring wire (30), and the spring wire runs through both bores starting from the first side to the second side, and continues on the second side into at least one contact spring (31, 32, 51),
characterized in that
the spring wire (30) comprises at least one spring element being configured as a crank (33, 34) for relieving the contacting point (40) and being located at the first side of the carrier between the at least one contacting point (40) and the at least one contact spring (31, 32),
wherein the contacting point (40) comprises a solder joint or a press-fitting contact. - Brush block according to claim 1,
characterized in that
the spring wire (30) comprises a center portion (35) with two ends (37, 38), the center portion (35) continuing at each end in a crank (33, 34) with ad-joining contact springs (31, 32), and wherein the center portion is connected to the carrier (21) via the contacting point (40). - Brush block according to claim 1,
characterized in that
the spring wire (30) comprises a center portion (35) with two ends (37, 38),
the center portion having a crank (33, 34) at each end, wherein only one crank continues in an adjoining contact spring (33) and the second crank protrudes with its one end into a bore, and wherein the center portion is connected to the carrier (21) via the contacting point (40). - Brush block according to claim 1,
characterized in that
the spring wire (30) comprises a crank (53) with a contact spring (51) adjoining at one side and protruding through the first bore (24), and the second side of the crank protrudes into the second bore (25) and at the same time is connected to the carrier (21) via a contacting point (40). - Brush block according to claim 4,
characterized in that
the second bore (25) is metallized on the inside and is filled with solder. - Brush block according to one of the preceding claims,
characterized in that
the carrier (21) is configured as a printed circuit board. - Brush block according to one of the preceding claims,
characterized in that
at least one contact spring (31, 32) comprises a core of a mechanically stable and resilient material, as for example steel, copper-beryllium or brass, as well as an outer coating or cover made of an electrically highly conductive and preferably corrosion-resistive material, as for example silver, gold, or a silver- or gold-alloy. - Brush block according to one of the preceding claims,
characterized in that
at least one contact spring (31, 32) comprises of silver, gold, or a silver- or gold-alloy. - Brush block according to one of the preceding claims,
characterized in that
at least one contacting point (40) is provided on the first side of the carrier. - Brush block according to one of the preceding claims,
characterized in that
at least one bore, through which a contact spring of the spring wire is guided, comprises a metallization on the inside, which is not soldered to the spring wire. - Slipring assembly comprising a sliding track (1) and at least one brush block according to one of the preceding claims.
- Method for manufacturing a brush block according to one of the preceding claims, characterized by the following steps:- providing a carrier with at least two bores,- inserting a spring wire having at least one crank,- manufacturing a contacting solder joint.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012204830A DE102012204830A1 (en) | 2012-03-26 | 2012-03-26 | Brush block for a slip ring assembly |
PCT/EP2013/055038 WO2013143842A1 (en) | 2012-03-26 | 2013-03-12 | Brush block for a slip ring arrangement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2831961A1 EP2831961A1 (en) | 2015-02-04 |
EP2831961B1 true EP2831961B1 (en) | 2016-11-16 |
Family
ID=47997386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13711857.6A Not-in-force EP2831961B1 (en) | 2012-03-26 | 2013-03-12 | Brush block for a slip ring arrangement |
Country Status (5)
Country | Link |
---|---|
US (1) | US9281648B2 (en) |
EP (1) | EP2831961B1 (en) |
CN (1) | CN104380542B (en) |
DE (1) | DE102012204830A1 (en) |
WO (1) | WO2013143842A1 (en) |
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EP2903103B1 (en) | 2014-01-31 | 2019-01-02 | LTN Servotechnik GmbH | Brush unit and slip ring assembly with a brush unit |
JP1535180S (en) * | 2015-02-13 | 2015-10-19 | ||
US9263838B1 (en) * | 2015-04-28 | 2016-02-16 | Princetel, Inc. | Slip ring for high speed data transmission |
US9627831B1 (en) * | 2015-09-30 | 2017-04-18 | Apple Inc. | Rotating contact ring with legs extending at an angle to a lower surface of the ring |
CN106299943A (en) * | 2016-08-26 | 2017-01-04 | 北京可以科技有限公司 | Slip ring and the processing technique of slip ring |
CN106112492B (en) * | 2016-08-30 | 2018-02-16 | 博众精工科技股份有限公司 | A kind of makeup that is assembled into one of feeding of sealing ring is put |
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CN106848793B (en) * | 2016-12-30 | 2023-07-25 | 摩腾科技(上海)有限公司 | Variable pitch slip ring electric brush with elastic conductive device |
CN107134702B (en) * | 2017-04-28 | 2019-01-25 | 北京航天控制仪器研究所 | A kind of space slip ring brush assembly of electric |
CN107104340B (en) * | 2017-04-28 | 2019-06-18 | 北京航天控制仪器研究所 | A kind of wind-power slip ring combined electrical brush assemblies |
JP2019040734A (en) * | 2017-08-24 | 2019-03-14 | 日本電産コパル電子株式会社 | Slip ring device |
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CN111834851A (en) * | 2019-04-17 | 2020-10-27 | 泓记精密股份有限公司 | Brush wire structure, brush module structure and manufacturing method thereof |
CN113948929B (en) * | 2021-07-30 | 2022-08-26 | 中南大学 | 1 hundred million-turn long-life multipoint end-face contact gold alloy fiber electric brush and preparation method thereof |
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-
2012
- 2012-03-26 DE DE102012204830A patent/DE102012204830A1/en not_active Withdrawn
-
2013
- 2013-03-12 WO PCT/EP2013/055038 patent/WO2013143842A1/en active Application Filing
- 2013-03-12 EP EP13711857.6A patent/EP2831961B1/en not_active Not-in-force
- 2013-03-12 CN CN201380023159.9A patent/CN104380542B/en not_active Expired - Fee Related
-
2014
- 2014-09-26 US US14/497,488 patent/US9281648B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2831961A1 (en) | 2015-02-04 |
US20150024610A1 (en) | 2015-01-22 |
WO2013143842A1 (en) | 2013-10-03 |
CN104380542A (en) | 2015-02-25 |
DE102012204830A1 (en) | 2013-09-26 |
US9281648B2 (en) | 2016-03-08 |
CN104380542B (en) | 2016-12-21 |
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