EP0052384B1 - Lösbarer Anschlusskontakt für Hochstromleiter in Elektrolysevorrichtungen - Google Patents

Lösbarer Anschlusskontakt für Hochstromleiter in Elektrolysevorrichtungen Download PDF

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Publication number
EP0052384B1
EP0052384B1 EP81201063A EP81201063A EP0052384B1 EP 0052384 B1 EP0052384 B1 EP 0052384B1 EP 81201063 A EP81201063 A EP 81201063A EP 81201063 A EP81201063 A EP 81201063A EP 0052384 B1 EP0052384 B1 EP 0052384B1
Authority
EP
European Patent Office
Prior art keywords
contact
sharp
edged
disconnectible
current conductors
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
Application number
EP81201063A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0052384A1 (de
Inventor
Karl Dipl.-Ing. Lohrberg
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.)
GEA Group AG
Original Assignee
Metallgesellschaft 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.)
Filing date
Publication date
Application filed by Metallgesellschaft AG filed Critical Metallgesellschaft AG
Publication of EP0052384A1 publication Critical patent/EP0052384A1/de
Application granted granted Critical
Publication of EP0052384B1 publication Critical patent/EP0052384B1/de
Expired 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
    • 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
    • H01R4/26—Connections in which at least one of the connecting parts has projections which bite into or engage the other connecting part in order to improve the contact

Definitions

  • the invention relates to a detachable connection point of high-current conductors with adjacent flat contact surfaces, of which at least one has sharp-edged bumps, in particular a connection contact for busbars in electrolysis devices.
  • Such contact points are usually machined and smoothed so that they are as flat as possible and can ensure a large contact surface and intimate contact.
  • GB-A-689 182 discloses a releasable connection point or a releasable connection contact for high-current conductors for electric furnaces, which can have sharp-edged bumps on at least one contact surface of the connection point.
  • the connection point is formed from two plate-like bodies, in which the connecting part of the heating element and the power supply cable are clamped and pressed together by means of a screw bolt.
  • a contact clamp for the installation of aluminum wire is known, the clamping body of which has sharp-edged bumps.
  • the soft aluminum wire is pressed against the clamping body by means of a screw connection, the aluminum oxide layer of the wire being broken through at least in places and good electrical contact being brought about.
  • the object of the invention is to avoid voltage losses at contact points or on detachable connection contacts for high-current conductors, or to make them less.
  • the device of the type mentioned is designed in such a way that the connection surface provided with the unevenness has concentric grooves in connection points in current leads in electrolysis plants has sharp-edged Swissgraten a height of 0.1 to 0.8 mm, and that this contact surface carries a silver layer having a thickness of 1.0 x 10- 3 mm, such that the specific load capacity of the contact / mm 2 at 5.5 a a voltage drop of 5 mV.
  • the sharp-edged intermediate burrs are created by cutting grooves.
  • the height of the ridges is 0.1 to 0.8 mm.
  • Such a structure of concentric grooves with sharp-edged intermediate burrs on at least one of the contact surfaces achieves intimate contact of the contact surfaces joined by pressing pressure and reduces contact resistance. It can be assumed here that the concentric grooves provided according to the invention with sharp-edged intermediate burrs are easier to deform than a completely flat contact surface which, despite all the work involved, apparently has only a few contact surfaces.
  • the other contact surface also carries a layer of noble metal.
  • the thickness of this precious metal layer is 0.5 to 5.0 x 10- 3 mm.
  • noble metals are understood as silver, gold and platinum metals, such as osmium, iridium, platinum, ruthenium, rhodium, palladium. Silver or platinum are expediently used as the noble metals of the layer.
  • the contact surface provided with the concentric grooves has an electrolytically applied silver layer with a thickness of approximately 1.0 ⁇ 10 -3 mm and the smooth contact surface may have a layer of the same nature or it may not be post-metallized.
  • the configuration of the contact surfaces according to the invention has the advantage that losses due to voltage drop are drastically reduced and the contact can be subjected to a greater current load.
  • the busbars 3 are made of e.g. Copper welded on.
  • the contact surface of the connector body 1 which serves for the current transfer has concentric grooves with sharp-edged intermediate ridges 4.
  • the flat-cylindrical connector body 1 is provided with the smooth surface of a cylindrical metal bolt 6 made of z. B. copper, which has a threaded bore 7 (thread not shown) in contact.
  • the connector body 1 is pressed onto the cylindrical bolt 6 by means of a screw connection (not shown) inserted through 2 and 7. With 5 precious metal layers are designated.
  • a screwed contact point of a copper busbar (copper / copper material combination) was designed in accordance with the invention.
  • one of the surfaces was provided with concentrically arranged, closely spaced 0.5 mm deep grooves. Equipped with the grooves or sharp-edged Bacgraten contact surface was electrolytically plated and generates a 1.0 x 10- 3 mm thick silver layer.
  • a voltage drop of 5 mV was measured. This corresponds to a quadrupling of the otherwise usual load with the same voltage drop and thus means a substantial reduction in the contact areas to be made available.

Landscapes

  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Contacts (AREA)
EP81201063A 1980-11-15 1981-09-25 Lösbarer Anschlusskontakt für Hochstromleiter in Elektrolysevorrichtungen Expired EP0052384B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803043207 DE3043207A1 (de) 1980-11-15 1980-11-15 Loesbarer anschlusskontakt fuer hochstromleiter
DE3043207 1980-11-15

Publications (2)

Publication Number Publication Date
EP0052384A1 EP0052384A1 (de) 1982-05-26
EP0052384B1 true EP0052384B1 (de) 1987-04-01

Family

ID=6116913

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81201063A Expired EP0052384B1 (de) 1980-11-15 1981-09-25 Lösbarer Anschlusskontakt für Hochstromleiter in Elektrolysevorrichtungen

Country Status (4)

Country Link
EP (1) EP0052384B1 (enrdf_load_stackoverflow)
JP (1) JPS57109265A (enrdf_load_stackoverflow)
CA (1) CA1172323A (enrdf_load_stackoverflow)
DE (2) DE3043207A1 (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3406797C2 (de) * 1984-02-24 1985-12-19 Conradty GmbH & Co Metallelektroden KG, 8505 Röthenbach Beschichtete Ventilmetallanode zur elektrolytischen Gewinnung von Metallen oder Metalloxiden
JPH0753397Y2 (ja) * 1989-05-11 1995-12-06 株式会社三ツ葉電機製作所 モータの固定構造
US5083697A (en) * 1990-02-14 1992-01-28 Difrancesco Louis Particle-enhanced joining of metal surfaces
DE19501212A1 (de) * 1994-12-22 1996-06-27 Richter Elk Prof Dr Ing Verfahren zum Herstellen von Bitumen und Asphalt
DE19600417A1 (de) * 1996-01-08 1997-07-17 Sefag Ag Kontaktelement sowie Anschlußvorrichtung mit diesem Kontaktelement
FR2771757B1 (fr) * 1997-12-03 1999-12-31 Lorraine Laminage Installation d'electrodeposition, electrode et organe d'appui pour cette installation et procede d'electrodeposition
GB2500604A (en) * 2012-03-26 2013-10-02 Leclanche Sa Battery Cell electrical connections
DE102022106382A1 (de) 2022-03-18 2023-09-21 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Herstellen einer verbesserten elektrischen Kontaktierung und Kraftfahrzeug
CN114516539B (zh) * 2022-03-25 2024-04-30 江苏徐工工程机械研究院有限公司 工件夹持装置及工件清洗设备
DE102023005006A1 (de) * 2023-12-06 2025-06-12 Mercedes-Benz Group AG Kontaktierungsvorrichtung zum elektrischen Verbinden eines ersten mit einem zweiten Kontaktelement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB689182A (en) * 1950-02-14 1953-03-25 Bernard William Edmund Webber An improved clamp for electrical connections
DE1592044B2 (de) * 1965-11-08 1972-12-21 Friedrich Uhde Gmbh, 4600 Dortmund Elektrolysezelle
CH470062A (de) * 1966-08-02 1969-03-15 Alusuisse Verfahren zum Herstellen einer Kontaktfläche an Aluminiumstromschienen und Aluminiumstromschiene mit nach diesem Verfahren hergestellter Kontaktfläche
DE2151683A1 (de) * 1971-10-13 1973-04-19 Siemens Ag Elektrische dauerkontaktanordnung
CA981354A (en) * 1972-06-14 1976-01-06 Milton J. Weitzman Terminal for electrically connecting an aluminum wire

Also Published As

Publication number Publication date
DE3043207A1 (de) 1982-07-08
EP0052384A1 (de) 1982-05-26
DE3176077D1 (en) 1987-05-07
CA1172323A (en) 1984-08-07
JPS57109265A (en) 1982-07-07
JPH0146996B2 (enrdf_load_stackoverflow) 1989-10-12

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