CH335537A - Electric sliding contact device - Google Patents

Electric sliding contact device

Info

Publication number
CH335537A
CH335537A CH335537DA CH335537A CH 335537 A CH335537 A CH 335537A CH 335537D A CH335537D A CH 335537DA CH 335537 A CH335537 A CH 335537A
Authority
CH
Switzerland
Prior art keywords
current
blade
fixed part
moving part
sliding contact
Prior art date
Application number
Other languages
French (fr)
Inventor
Crepel Jean
Ribaud Armand
Original Assignee
Comp Generale Electricite
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 Comp Generale Electricite filed Critical Comp Generale Electricite
Publication of CH335537A publication Critical patent/CH335537A/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00Rotary current collectors, distributors or interrupters
    • H01R39/64Devices for uninterrupted current collection
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/15Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/187Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket

Landscapes

  • Tumbler Switches (AREA)

Description

  

  Dispositif à contacts glissants électriques    La présente invention a pour objet un     dispositif     à contacts glissants électriques permettant de trans  mettre un courant de forte intensité entre une partie  fixe et une     partie    mobile.  



  Le passage du courant d'une pièce fixe à une       pièce    mobile crée une chute de tension qu'il faut  réduire au minimum, surtout quand il s'agit de fortes  intensités. Les tresses sont souvent employées, mais  l'oxydation et la déformation due au mouvement  peuvent casser les brins ; les efforts électrodyna  miques dus aux courants de court-circuit, par  exemple, conduisent au même résultat.  



  Le dispositif qui fait l'objet de l'invention remé  die à cet inconvénient ;     il    est caractérisé en ce qu'il  comporte au moins une lame ondulée élastique qui  est disposée entre la pièce fixe et la pièce mobile, le  frottement des ondulations de la lame sur les faces  en regard de la pièce fixe et de la pièce mobile, assu  rant le passage du courant d'une pièce à l'autre.  



  Le dessin annexé représente, à titre d'exemple,  une forme de réalisation du dispositif faisant l'objet  de l'invention.  



  La     fig.    1 en est une vue en coupe.  



  La     fig.    2 en est une vue en élévation.  



  A la     fig.    1 sont représentés un arbre 1 d'amenée  de courant et une pièce mobile 2 à laquelle est fixé  par exemple un couteau de sectionneur qui transmet  le courant. Entre ces deux pièces 1 et 2 est formée  une chambre dans laquelle est placée une lame élas-    tique ondulée 3 en bronze phosphoreux, des paliers  étant disposés à chaque extrémité de la pièce mobile.  



  La longueur et les ondulations de la lame 3 sont  telles que celle-ci exerce une certaine pression sur  l'arbre 1 et sur la pièce 2 de manière à assurer un  bon contact.  



  Suivant l'intensité, le nombre des contacts peut  être multiplié en mettant plusieurs lames 3 à côté  les unes des autres, comme il est indiqué à la     fig.    2 ;  les lames 3 sont séparées par des rondelles 5. On  peut d'ailleurs se passer de ces rondelles car les lames  ne peuvent pas se chevaucher.  



  La protection contre les poussières est assurée  par un joint 4, disposé de chaque extrémité de la  pièce mobile.  



  Le courant passe de la pièce 1 à la pièce 2 en se  divisant en autant de fois qu'il y a de surfaces de  contact par pièce pour l'ensemble des lames. La sec  tion d'une lame élastique n'est traversée que par  une fraction du courant total, cela permet d'avoir  une lame mince et souple pouvant se déformer pour  assurer un bon contact.



  Device with electrical sliding contacts The present invention relates to a device with electrical sliding contacts making it possible to transmit a high intensity current between a fixed part and a moving part.



  The passage of current from a fixed part to a moving part creates a voltage drop that must be reduced to a minimum, especially when it comes to high currents. Braids are often used, but oxidation and warping from movement can break the strands; the electrodynamic forces due to short-circuit currents, for example, lead to the same result.



  The device which is the object of the invention overcomes this drawback; it is characterized in that it comprises at least one elastic corrugated blade which is arranged between the fixed part and the moving part, the friction of the corrugations of the blade on the facing faces of the fixed part and of the moving part, assu rant the passage of current from one room to another.



  The appended drawing represents, by way of example, an embodiment of the device forming the subject of the invention.



  Fig. 1 is a sectional view thereof.



  Fig. 2 is an elevation view thereof.



  In fig. 1 are shown a current supply shaft 1 and a movable part 2 to which is fixed for example a disconnector knife which transmits the current. Between these two parts 1 and 2 is formed a chamber in which is placed a corrugated elastic strip 3 of phosphor bronze, bearings being arranged at each end of the movable part.



  The length and the corrugations of the blade 3 are such that the latter exerts a certain pressure on the shaft 1 and on the part 2 so as to ensure good contact.



  Depending on the intensity, the number of contacts can be multiplied by placing several blades 3 next to each other, as indicated in fig. 2; the blades 3 are separated by washers 5. We can also do without these washers because the blades cannot overlap.



  Protection against dust is provided by a seal 4, arranged at each end of the moving part.



  The current passes from part 1 to part 2, dividing into as many times as there are contact surfaces per part for all the blades. The section of an elastic blade is crossed by only a fraction of the total current, this makes it possible to have a thin and flexible blade which can be deformed to ensure good contact.

 

Claims (1)

REVENDICATION Dispositif à contacts glissants électriques permet tant de transmettre un courant de forte intensité entre une pièce fixe et une pièce mobile, caractérisé en ce qu'il comporte au moins une lame ondulée élastique qui est disposée entre la pièce fixe et la pièce mobile, le frottement des ondulations de la lame sur les faces en regard de la pièce fixe et de la pièce mobile assurant le passage du courant d'une pièce à l'autre. SOUS-REVENDICATIONS 1. Dispositif suivant la revendication, caractérisé en ce que plusieurs lames ondulées sont placées les unes à côté des autres, entre la pièce fixe et la pièce mobile, suivant l'intensité du courant. 2. CLAIM A device with electrical sliding contacts makes it possible to transmit a current of high intensity between a fixed part and a moving part, characterized in that it comprises at least one elastic corrugated blade which is arranged between the fixed part and the moving part, the friction of the corrugations of the blade on the opposite faces of the fixed part and of the moving part ensuring the passage of current from one part to another. SUB-CLAIMS 1. Device according to claim, characterized in that several corrugated blades are placed one beside the other, between the fixed part and the moving part, according to the intensity of the current. 2. Dispositif suivant la revendication, caractérisé en ce qu'une chambre dans laquelle est placée la lame élastique est formée entre la pièce fixe et la pièce mobile, un joint étant disposé à chaque extrémité de la pièce mobile pour assurer l'étanchéité de cette chambre. Device according to claim, characterized in that a chamber in which the elastic blade is placed is formed between the fixed part and the movable part, a seal being arranged at each end of the movable part to seal this chamber.
CH335537D 1956-03-10 1957-01-15 Electric sliding contact device CH335537A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR335537X 1956-03-10

Publications (1)

Publication Number Publication Date
CH335537A true CH335537A (en) 1959-01-15

Family

ID=8891267

Family Applications (1)

Application Number Title Priority Date Filing Date
CH335537D CH335537A (en) 1956-03-10 1957-01-15 Electric sliding contact device

Country Status (1)

Country Link
CH (1) CH335537A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1235400B (en) * 1964-04-20 1967-03-02 Licentia Gmbh High-current contact device for electrical cables within Vorortbohrgestaengen
DE1277408B (en) * 1966-11-02 1968-09-12 Karl Mohr Electric rotary joint
DE2815798A1 (en) * 1978-04-12 1979-10-25 Seger & Angermeyer Desco Werk Multiple pole rotating joint - has inner contact in form of corrugated ring and has outer solid ring contact
EP0131105A1 (en) * 1983-05-18 1985-01-16 Braun Aktiengesellschaft Rotary coupling for a multiconductor cable
EP0211501A1 (en) * 1985-07-03 1987-02-25 Honeywell Inc. Rotary power transfer apparatus
DE4439671A1 (en) * 1994-11-07 1996-05-09 Abb Management Ag Contact spring for heavy current contact device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1235400B (en) * 1964-04-20 1967-03-02 Licentia Gmbh High-current contact device for electrical cables within Vorortbohrgestaengen
DE1277408B (en) * 1966-11-02 1968-09-12 Karl Mohr Electric rotary joint
DE2815798A1 (en) * 1978-04-12 1979-10-25 Seger & Angermeyer Desco Werk Multiple pole rotating joint - has inner contact in form of corrugated ring and has outer solid ring contact
EP0131105A1 (en) * 1983-05-18 1985-01-16 Braun Aktiengesellschaft Rotary coupling for a multiconductor cable
EP0211501A1 (en) * 1985-07-03 1987-02-25 Honeywell Inc. Rotary power transfer apparatus
DE4439671A1 (en) * 1994-11-07 1996-05-09 Abb Management Ag Contact spring for heavy current contact device

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