EP1148601B1 - Device for transmission of electrical current between a fixed terminal and a rotating ring - Google Patents

Device for transmission of electrical current between a fixed terminal and a rotating ring Download PDF

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Publication number
EP1148601B1
EP1148601B1 EP01108559A EP01108559A EP1148601B1 EP 1148601 B1 EP1148601 B1 EP 1148601B1 EP 01108559 A EP01108559 A EP 01108559A EP 01108559 A EP01108559 A EP 01108559A EP 1148601 B1 EP1148601 B1 EP 1148601B1
Authority
EP
European Patent Office
Prior art keywords
fixed terminal
insulating
wheel
transmission
ring
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
Application number
EP01108559A
Other languages
German (de)
French (fr)
Other versions
EP1148601A3 (en
EP1148601A2 (en
Inventor
Hubert Herberger
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.)
Hartmann & Koenig Stromzufuehrungs AG
Original Assignee
Hartmann & Koenig Stromzufuehrungs AG
Hartmann & Koenig Stromzufuehr
Hartmann & Konig Stromzufuehrungs AG
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.)
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Publication date
Application filed by Hartmann & Koenig Stromzufuehrungs AG, Hartmann & Koenig Stromzufuehr, Hartmann & Konig Stromzufuehrungs AG filed Critical Hartmann & Koenig Stromzufuehrungs AG
Publication of EP1148601A2 publication Critical patent/EP1148601A2/en
Publication of EP1148601A3 publication Critical patent/EP1148601A3/en
Application granted granted Critical
Publication of EP1148601B1 publication Critical patent/EP1148601B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
    • H01R35/04—Turnable line connectors with limited rotation angle with frictional contact members

Definitions

  • the invention relates to a device for transmitting electrical Current from a fixed connection to a rotatable one Ring, for example in electrical machines or cable drums.
  • a device for transmitting electrical Current from a fixed connection to a rotatable one Ring for example in electrical machines or cable drums.
  • electrical currents for example, on the Fixed shaft of the rotor of an electrical machine isolated Metal rings arranged on which brushes as a conductive connection Grind from the runner to the stand.
  • a similar power transmission takes place on cable drums, where individual slip rings on the cable drum are attached and the transmission through to the Slip rings running brushes takes place.
  • These attached carbon brushes made of copper or silver graphite or similar materials essential wear part, with great abrasion of the brushes Amounts of conductive material arise, which as coal dust in the Slip ring system falls and has an extremely disruptive effect.
  • DE C-198 17 796 describes a device for the transmission of electrical current from a central rotating slideway one or more arranged around the central slideway Rolls known, in which an endless wire passed over the rollers Slideway touches tangentially and by the resulting frictional forces is moved. The speed of the wire can go through appropriate damping or additional friction in the rollers to be controlled.
  • US 5977691 and US 421320 describe devices for transmission of electrical current from a fixed connection a rotating ring or drum, in which the electrical contact via one or more around the ring or the Tapes of electrically conductive material that are guided around the drum are formed which are the peripheral surface of the ring or drum to contact.
  • the invention is based on the object of such a system propose where the emergence of large amounts of conductive Material is avoided by abrasion.
  • An advantageous embodiment provides that on the insulating tube several sockets, separated by insulating washers, are arranged.
  • impellers be made of sintered Material, the alloy brass rings and the tension spring high-alloy material.
  • the main advantage of the invention is that the Brush and thus the abrasion. Another advantage results from the fact that the individual poles in a narrow design can be manufactured so that control poles in a confined space can be accommodated. Due to the tension spring used the advantage that greater tolerances on the tension Center distance can be taken over by the tension spring and for example another tension wheel or the like can be omitted.
  • the device has a socket 3 with a diameter enlarged part 13 and a reduced diameter part 14, an impeller 1 being mounted on part 14.
  • the impeller 1 supports on the shoulder between the parts 13, 14 of the socket 3.
  • the Socket 3 is on an insulating tube 4, which is above a stud 5 is arranged, attached.
  • a fixed electrical connection 6 is provided, which has a Cable line 15 with cable lug connected to a cable terminal block 7 is.
  • a metallic ring 2 which is held on studs 9 with insulating tubes 10, several such rings 2 are provided by interposed insulating washers are.
  • the wheel 1 and the standing ring 2 are each with Provided grooves 17 and 16 and by means of a tension spring 12 as Drive element connected.
  • the rings 2 can be made very narrow, so that it A number of impellers makes sense when connecting several circuits 1 with the bushings 3 distributed around the circumference of these rings 2.
  • a number of impellers makes sense when connecting several circuits 1 with the bushings 3 distributed around the circumference of these rings 2.
  • In the drawing is an opposite arrangement of a dashed line such impeller 1 shown to connect to a to produce middle ring 2.
  • the next ring 2 can again by a roller 1 on the opposite side be connected.
  • A is advantageously used for the corresponding electrical transmission high alloy tension spring used while the running wheel 1 off sintered material, expediently with gold, silver or Rhodium is staggered.
  • the socket 3 is also corresponding built from highly conductive material.
  • the rings 2 can be normal conductive material, such as brass, possibly alloyed with corresponding materials, such as gold, silver or rhodium.

Landscapes

  • Motor Or Generator Current Collectors (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Motor Or Generator Frames (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

The device has a bush (3) with a cable connection (6) on an insulating tube (4) forming the fixed connection with an electrically conducting rotor wheel (1) in electrical contact and connected to the metal ring (2) via a metal spring (12) as a drive element. Several bushes are separately mounted on the insulating tube using insulating discs.

Description

Die Erfindung betrifft eine Vorrichtung zur Übertragung von elektrischem Strom von einem feststehenden Anschluß auf einen drehbaren Ring, beispielsweise bei elektrischen Maschinen oder Kabeltrommeln. Zur Übertragung von elektrischen Strömen sind beispielsweise auf der Welle des Läufers einer elektrischen Maschine isoliert befestigte Metallringe angeordnet, auf denen Bürsten als leitende Verbindung vom Läufer zum Ständer schleifen. Eine ähnliche Stromübertragung erfolgt bei Kabeltrommeln, wo einzelne Schleifringe an der Kabeltrommel befestigt sind und die Übertragung durch die auf den Schleifringen laufenden Bürsten erfolgt. Diese aufgesetzten Kohlebürsten aus Kupfer- oder Silbergraphit oder ähnlichen Werkstoffen sind ein wesentliches Verschleißteil, wobei beim Abrieb der Bürsten große Mengen an leitendem Material entstehen, das als Kohlestaub in das Schleifringsystem fällt und sich hierbei als äußerst störend auswirkt.The invention relates to a device for transmitting electrical Current from a fixed connection to a rotatable one Ring, for example in electrical machines or cable drums. For the transmission of electrical currents, for example, on the Fixed shaft of the rotor of an electrical machine isolated Metal rings arranged on which brushes as a conductive connection Grind from the runner to the stand. A similar power transmission takes place on cable drums, where individual slip rings on the cable drum are attached and the transmission through to the Slip rings running brushes takes place. These attached carbon brushes made of copper or silver graphite or similar materials essential wear part, with great abrasion of the brushes Amounts of conductive material arise, which as coal dust in the Slip ring system falls and has an extremely disruptive effect.

Aus der DE C-198 17 796 ist eine Vorrichtung zur Übertragung von elektrischem Strom von einer zentralen rotierenden Schleifbahn auf eine oder mehrere um die zentrale Schleifbahn herum angeordnete Rollen bekannt, bei der ein über die Rollen geführter endloser Draht die Schleifbahn tangtial berührt und durch die entstehenden Reibungskräfte bewegt wird. Die Geschwindigkeit des Drahtes kann durch entsprechende Dämpfung oder zusätzliche Reibung in den Rollen gesteuert werden. DE C-198 17 796 describes a device for the transmission of electrical current from a central rotating slideway one or more arranged around the central slideway Rolls known, in which an endless wire passed over the rollers Slideway touches tangentially and by the resulting frictional forces is moved. The speed of the wire can go through appropriate damping or additional friction in the rollers to be controlled.

US 5977691 und US 421320 beschreiben Vorrichtungen zur Übertragung von elektrischem Strom von einem feststehenden Anschluss auf einen drehenden Ring oder eine drehende Trommel, bei denen der elektrische Kontakt über ein oder mehrere um den Ring oder die Trommel herum geführte Bänder aus elektrisch leitendem Material gebildet werden, die die Umfangsoberfläche des Rings oder der Trommel kontaktieren.US 5977691 and US 421320 describe devices for transmission of electrical current from a fixed connection a rotating ring or drum, in which the electrical contact via one or more around the ring or the Tapes of electrically conductive material that are guided around the drum are formed which are the peripheral surface of the ring or drum to contact.

Der Erfindung liegt die Aufgabe zugrunde ein derartiges System vorzuschlagen, bei dem die Entstehung größerer Mengen an leitendem Material durch Abrieb vermieden wird.The invention is based on the object of such a system propose where the emergence of large amounts of conductive Material is avoided by abrasion.

Diese Aufgabe wird nach der Erfindung dadurch gelöst, dass der feststehende Anschluß eine auf einem Isolierrohr angeordnete Buchse mit einem Kabelanschluß aufweist, auf der in elektrisch leitender Verbindung ein Laufrad aus elektrisch leitendem Material angeordnet ist, das mit dem drehbaren metallischen Ring über eine metallische Zugfeder als Antriebselement verbunden ist. This object is achieved according to the invention in that the fixed connection a socket arranged on an insulating tube has a cable connection on the in electrically conductive Connection an impeller made of electrically conductive material is that with the rotatable metallic ring over a metallic one Tension spring is connected as a drive element.

Eine vorteilhafte Ausführungsform sieht vor, dass auf dem Isolierrohr mehrere Buchsen, durch Isolierscheiben getrennt, angeordnet sind.An advantageous embodiment provides that on the insulating tube several sockets, separated by insulating washers, are arranged.

Weiter ist es vorteilhaft, dass entsprechend den Buchsen mit Laufrad diesen metallische Ringe zugeordnet sind, die mittels Stehbolzen mit Isolierrohren und dazwischen angeordneten Isolierscheiben verbunden sind.It is also advantageous that corresponding to the bushings with impeller these are assigned to metallic rings, which are connected by means of stud bolts Insulating pipes and insulating washers arranged between them are.

Es wird weiterhin vorgeschlagen, dass die Laufräder aus gesintertem Material, die Ringe aus legiertem Messing und die Zugfeder aus hochlegiertem Material bestehen.It is also suggested that the impellers be made of sintered Material, the alloy brass rings and the tension spring high-alloy material.

Der wesentliche Vorteil der Erfindung besteht in dem Wegfall der Bürste und damit des anfallenden Abriebes. Ein weiterer Vorteil ergibt sich daraus, dass die einzelnen Pole in einer schmalen Ausführung hergestellt werden können, so dass Steuerpole auf engstem Raum untergebracht werden können. Durch die eingesetzte Zugfeder ergibt sich der Vorteil, dass durch die Zugspannung größere Toleranzen am Achsabstand von der Zugfeder übernommen werden und beispielsweise ein weiteres Spannungsrädchen oder dergleichen entfallen kann.The main advantage of the invention is that the Brush and thus the abrasion. Another advantage results from the fact that the individual poles in a narrow design can be manufactured so that control poles in a confined space can be accommodated. Due to the tension spring used the advantage that greater tolerances on the tension Center distance can be taken over by the tension spring and for example another tension wheel or the like can be omitted.

Die Erfindung wird in der nachfolgenden Beschreibung anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert.The invention is described in the following description based on a illustrated in the drawing embodiment illustrated.

Es zeigen,

Fig. 1
Eine Ausführungsform der erfindungsgemäßen Vorrichtung im Aufriß und
Fig. 2
einen Schnitt nach der Linie A-A in Fig. 1
Show it,
Fig. 1
An embodiment of the device according to the invention in elevation and
Fig. 2
a section along the line AA in Fig. 1st

Die Vorrichtung weist eine Buchse 3 auf mit einem im Durchmesser vergrößerten Teil 13 und einem im Durchmesser verringertem Teil 14, wobei auf dem Teil 14 ein Laufrad 1 gelagert ist. Das Laufrad 1 stützt sich an der Schulter zwischen den Teilen 13, 14 der Buchse 3 ab. Die Buchse 3 ist auf einem Isolierrohr 4, das über einem Stehbolzen 5 angeordnet ist, angebracht. An dem Teil 13 der Buchse 3 ist ein feststehender elektrischer Anschluß 6 vorgesehen, der über eine Kabelleitung 15 mit Kabelschuh an eine Kabelklemmleiste 7 angeschlossen ist. Zwischen einzelnen Buchsen 3 sind Isolierscheiben 8 vorgesehen.The device has a socket 3 with a diameter enlarged part 13 and a reduced diameter part 14, an impeller 1 being mounted on part 14. The impeller 1 supports on the shoulder between the parts 13, 14 of the socket 3. The Socket 3 is on an insulating tube 4, which is above a stud 5 is arranged, attached. At the part 13 of the socket 3 is a fixed electrical connection 6 is provided, which has a Cable line 15 with cable lug connected to a cable terminal block 7 is. There are insulating washers 8 between individual bushings 3 intended.

Dem Rad 1 gegenüberliegend befindet sich ein metallischer Ring 2, der an Stehbolzen 9 mit Isolierrohren 10 gehaltert ist, wobei mehrere solcher Ringe 2 durch dazwischen angeordnete Isolierscheiben vorgesehen sind. Das Rad 1 und der stehende Ring 2 sind jeweils mit Laufrillen 17 bzw. 16 versehen und mittels einer Zugfeder 12 als Antriebselement verbunden.Opposite the wheel 1 there is a metallic ring 2 which is held on studs 9 with insulating tubes 10, several such rings 2 are provided by interposed insulating washers are. The wheel 1 and the standing ring 2 are each with Provided grooves 17 and 16 and by means of a tension spring 12 as Drive element connected.

Die Ringe 2 können sehr schmal ausgebildet sein, so dass es beim Anschluß mehrerer Stromkreise sinnvoll ist eine Anzahl von Laufrädern 1 mit den Buchsen 3 am Umfang dieser Ringe 2 verteilt anzuordnen. In der Zeichnung ist strichliert eine gegenüberliegende Anordnung eines solchen Laufrades 1 dargestellt, um eine Verbindung zu einem mittleren Ring 2 herzustellen. Der nächstfolgende Ring 2 kann wiederum durch eine Laufrolle 1 an der gegenüberliegenden Seite angeschlossen werden. The rings 2 can be made very narrow, so that it A number of impellers makes sense when connecting several circuits 1 with the bushings 3 distributed around the circumference of these rings 2. In the drawing is an opposite arrangement of a dashed line such impeller 1 shown to connect to a to produce middle ring 2. The next ring 2 can again by a roller 1 on the opposite side be connected.

Zur entsprechenden elektrischen Übertragung wird vorteilhaft eine hochlegierte Zugfeder verwendet, während das laufende Rad 1 aus gesintertem Material, zweckmäßigerweise mit Gold, Silber oder Rhodium versetzt ausgeführt ist. Entsprechend ist auch die Buchse 3 aus hochleitendem Material gebaut. Die Ringe 2 können aus normal leitendem Material, wie Messing hergestellt sein, evtl. legiert mit entsprechenden Materialien, wie Gold, Silber oder Rhodium.A is advantageously used for the corresponding electrical transmission high alloy tension spring used while the running wheel 1 off sintered material, expediently with gold, silver or Rhodium is staggered. The socket 3 is also corresponding built from highly conductive material. The rings 2 can be normal conductive material, such as brass, possibly alloyed with corresponding materials, such as gold, silver or rhodium.

Claims (4)

  1. Device for transmission of electric current from a fixed terminal (6) to a rotatable ring (2), for example in electrical machinery or cable drums, the fixed terminal comprising a wheel (1) made of electrically conductive material which is connected to the rotatable ring (2) via a drive element (12), characterised in that the fixed terminal also comprises a bush (3) arranged on an insulating tube (4) and having a cable connection (6), on which bush the wheel (1) is arranged in an electrically conductive connection and in that the wheel (1) is connected to the metallic ring (2) via a metallic tension spring (12) as the drive element.
  2. Device according to claim 1, characterised in that a plurality of bushes (3) separated by insulating discs (8) are arranged on the insulating tube (4).
  3. Device according to claim 1 or 2, characterised in that, in accordance with the bushes (3) comprising a wheel (1), metallic rings (2), which are connected by means of studs (9) to insulating tubes (10) and insulating discs (11) arranged in-between, are associated with the bushes.
  4. Device according to claims 1 to 3, characterised in that the wheels (1) consist of sintered materials, the rings (2) of alloyed brass and the tension spring (13) of highly alloyed material.
EP01108559A 2000-04-19 2001-04-05 Device for transmission of electrical current between a fixed terminal and a rotating ring Expired - Lifetime EP1148601B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10019621 2000-04-19
DE10019621A DE10019621A1 (en) 2000-04-19 2000-04-19 Device for the transmission of electrical current from a fixed connection to a rotatable ring

Publications (3)

Publication Number Publication Date
EP1148601A2 EP1148601A2 (en) 2001-10-24
EP1148601A3 EP1148601A3 (en) 2002-03-27
EP1148601B1 true EP1148601B1 (en) 2003-12-03

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ID=7639466

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01108559A Expired - Lifetime EP1148601B1 (en) 2000-04-19 2001-04-05 Device for transmission of electrical current between a fixed terminal and a rotating ring

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EP (1) EP1148601B1 (en)
AT (1) ATE255778T1 (en)
DE (2) DE10019621A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US421320A (en) * 1890-02-11 Collecting-contact for electric machines
DE698279C (en) * 1938-03-17 1940-11-06 Bergwitzer Braunkohlenwerke Ak Roller pantograph for weak currents, e.g. B. Telephone systems
BE559383A (en) * 1956-07-21 1958-01-20
US5977681A (en) * 1998-02-02 1999-11-02 Insul-8 Corp. Metal belt and collector ring assembly for transferring electrical current to a rotating body
DE19817796C2 (en) * 1998-04-21 2001-04-12 Schleifring Und App Bau Gmbh Sliding contact arrangement with extended service life

Also Published As

Publication number Publication date
DE10019621A1 (en) 2001-10-25
EP1148601A3 (en) 2002-03-27
EP1148601A2 (en) 2001-10-24
ATE255778T1 (en) 2003-12-15
DE50101061D1 (en) 2004-01-15

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