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EP0642145A1 - Tulip type electrical contact - Google Patents

Tulip type electrical contact Download PDF

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Publication number
EP0642145A1
EP0642145A1 EP94401989A EP94401989A EP0642145A1 EP 0642145 A1 EP0642145 A1 EP 0642145A1 EP 94401989 A EP94401989 A EP 94401989A EP 94401989 A EP94401989 A EP 94401989A EP 0642145 A1 EP0642145 A1 EP 0642145A1
Authority
EP
European Patent Office
Prior art keywords
fingers
contact
tube
base
finger
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
EP94401989A
Other languages
German (de)
French (fr)
Other versions
EP0642145B1 (en
EP0642145B2 (en
Inventor
Gerhard Seyrling
Thierry Tricot
Xavier Prodan
Jean Bonnaire
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.)
Grid Solutions SAS
Original Assignee
GEC Alsthom T&D SA
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
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Application filed by GEC Alsthom T&D SA filed Critical GEC Alsthom T&D SA
Publication of EP0642145A1 publication Critical patent/EP0642145A1/en
Publication of EP0642145B1 publication Critical patent/EP0642145B1/en
Application granted granted Critical
Publication of EP0642145B2 publication Critical patent/EP0642145B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/38—Plug-and-socket contacts
    • H01H1/385—Contact arrangements for high voltage gas blast circuit breakers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/18—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket

Definitions

  • the present invention relates to an electrical contact of the tulip type, comprising a ring of fingers arranged parallel to each other along the generatrices of a cylinder and joined by a common base.
  • a tulip-type contact intended to cooperate with a cylindrical male contact and comprising parallel contact fingers, arranged side by side along the generatrices of a cylinder and provided with a common base, contact comprising a radial stroke of the fingers consisting of a tube coaxial with the fingers on which the fingers abut in the maximum position of radial expansion.
  • Such fingers are subjected during the flow of current to electrodynamic forces tending to move the fingers radially. If, for example due to significant mechanical and electrodynamic forces, the deformation exceeds the elastic limit of the material, the contact is deteriorated because it no longer has the necessary qualities, in particular the qualities of elasticity, to ensure the passage of the current with suitable contact resistance.
  • the invention solves this problem by proposing a particularly simple mounting arrangement which increases the contact force in the expansion position.
  • each finger is associated with an elastic member disposed between said tube and finger and working in compression during the radial expansion of the fingers.
  • the fingers comprise a rod integral with said base and a contact pad, the distance from the longitudinal axis of the contact is less than that of the rod, and said tube is disposed internally to the fingers and in the expansion position, the fingers abut against the tube via a surface formed in the contact pads of the fingers.
  • the contact according to the invention has the same dimensions as a contact not equipped with a radial stroke limiter, unlike those of the prior art where the outer tube or ring increases the size of the contact.
  • this can be prohibitive in certain applications, in particular in the breaking chambers of high or medium voltage circuit breakers. Thanks to this improvement, the flow of gas around the contact is not disturbed.
  • said elastic member is a blade, one fixing end of which is fixed near said base and one free end of which is in abutment against the fingers in the rest position.
  • each stud has an internal notch in which the free ends of the tube and of said blade are housed.
  • a base comprising grooves receiving the fixing ends of the blades, the tube coming to block said blades once said base fitted onto it and being itself blocked by the fingers, the base of the fingers being fixed on said base.
  • the base supports an internal thermal protection tube.
  • Figure 1 is a partially longitudinal sectional view of the component parts of a contact according to the invention.
  • Figure 2 is a longitudinal sectional view of a contact according to the invention at rest.
  • Figure 3 is a longitudinal sectional view of a contact according to the invention in the position of maximum radial expansion.
  • the tulip-type contact conventionally comprises parallel contact fingers 2, arranged side by side along the generatrices of a cylinder and provided with a common base 3.
  • the fingers 2 comprises a rod 6 integral with said base 3 and a contact pad 7, the distance from the longitudinal axis 8 of the contact is less than that of the rod 6.
  • the pads 7 are provided with an internal notch 10 .
  • the contact also comprises a radial stroke limiter of the fingers consisting of a tube 4 coaxial with the fingers 2.
  • the tube 4 is intended to be disposed internally with the fingers 2, its free end being received in the notches 10 formed in the studs 7 .
  • the contact finally comprises a tubular base 11 comprising grooves 12 arranged on its periphery and regularly distributed in correspondence at the disposal of the fingers 2. These grooves 12 receive the blade attachment ends 5 of length substantially equal to that of the tube 4 and produced in a metal with good elastic properties.
  • an inner protection tube 13 made of a metal resistant to temperature and ensuring the internal thermal protection of the contact when an electric arc appears inside the tulip contact.
  • the tube 4 comes to block the blades 5 by an internal flange 14 holding the ends of the blades 5 in the grooves 12, once said base 11 is fitted into the tube 4.
  • This assembly is then fitted into the base 3 of the fingers 2, the free ends of the tube 4 and of the blades 5 which are received in the notches 10.
  • the base 3 is provided of positioning pins 15, visible in FIGS. 2 and 3, which fit into holes provided in the base 11.
  • the base 3 of the fingers 2 is then fixed on the base 11 by means of fixing studs 16 connected to a support part of the contact not shown.
  • the fingers 2 When the tulip contact is engaged with a male contact 1, as shown in FIG. 3, the fingers 2 assume a maximum position of radial expansion. This expansion is limited by the stop of the fingers 2 against the rigid tube 4 by their surface 9. Between this tube 4 and the surface 9 is the free end of a blade 5 for each finger 2. This blade 5 is therefore deformed and because of its elasticity it works in compression, pushing the stud 7 of each finger 2 against the external surface of the male contact 1, this push adding to the force exerted by the fingers 2.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Saccharide Compounds (AREA)
  • Contacts (AREA)

Abstract

The present invention relates to a tulip-type contact, intended to interact with a cylindrical male contact (1) and including parallel contact fingers (2), arranged side by side along the generatrices of a cylinder and provided with a common base part (3). The contact comprises a limiter of the radio travel of the fingers, which consists of a tube (4) coaxial with the fingers (2) on which the fingers (2) abut in maximum radial expansion position, and an elastic element (5) is associated with each finger (2), this element being arranged between the said tube (4) and the finger (2) and working in compression when the fingers (2) expand. <IMAGE>

Description

La présente invention se rapporte à un contact électrique du type tulipe, comprenant une couronne de doigts disposés parallèlement entre eux selon les génératrices d'un cylindre et réunis par une base commune.The present invention relates to an electrical contact of the tulip type, comprising a ring of fingers arranged parallel to each other along the generatrices of a cylinder and joined by a common base.

Elle concerne plus précisément un contact de type tulipe, destiné à coopérer avec un contact mâle cylindrique et comportant des doigts de contact parallèles, disposés côte à côte selon les génératrices d'un cylindre et pourvus d'une embase commune, contact comprenant un limiteur de course radiale des doigts constitué d'un tube coaxial aux doigts sur lequel viennent buter les doigts en position maximale d'expansion radiale.More specifically, it relates to a tulip-type contact, intended to cooperate with a cylindrical male contact and comprising parallel contact fingers, arranged side by side along the generatrices of a cylinder and provided with a common base, contact comprising a radial stroke of the fingers consisting of a tube coaxial with the fingers on which the fingers abut in the maximum position of radial expansion.

De tels doigts sont soumis lors du passage du courant à des forces électrodynamiques tendant à déplacer les doigts radialement. Si en raison par exemple d'efforts mécaniques et électrodynamiques importants, la déformation dépasse la limite élastique du matériau, le contact est détérioré, car il ne présente plus les qualités nécessaires, notamment les qualités d'élasticité, pour assurer le passage du courant avec une résistance de contact convenable.Such fingers are subjected during the flow of current to electrodynamic forces tending to move the fingers radially. If, for example due to significant mechanical and electrodynamic forces, the deformation exceeds the elastic limit of the material, the contact is deteriorated because it no longer has the necessary qualities, in particular the qualities of elasticity, to ensure the passage of the current with suitable contact resistance.

Il est connu d'empêcher la déformation de tels contacts au-delà de la limite élastique du matériau, en fixant sur la tulipe une bague ou un tube extérieurs, dits limiteur de course radiale.It is known to prevent the deformation of such contacts beyond the elastic limit of the material, by fixing an outer ring or tube, known as a radial stroke limiter, to the tulip.

Cependant il s'avère que dans cette position d'expansion radiale maximale, en butée contre le tube, les doigts perdent de leurs qualités élastiques et l'effort de contact des doigts de la tulipe contre le contact mâle diminuant, la résistance de contact augmente et ceci est défavorable à un passage correct du courant.However, it turns out that in this position of maximum radial expansion, in abutment against the tube, the fingers lose their elastic qualities and the contact force of the tulip fingers against the male contact decreases, the contact resistance increases and this is unfavorable for a correct current flow.

L'invention résout ce problème en proposant un agencement de montage particulièrement simple qui augmente l'effort de contact en position d'expansion.The invention solves this problem by proposing a particularly simple mounting arrangement which increases the contact force in the expansion position.

Pour ce faire conformément à l'invention, à chaque doigt est associé un organe élastique disposé entre ledit tube et le doigt et travaillant en compression lors de l'expansion radiale des doigts.To do this in accordance with the invention, each finger is associated with an elastic member disposed between said tube and finger and working in compression during the radial expansion of the fingers.

Selon un mode de réalisation préféré, les doigts comportent une tige solidaire de ladite embase et un plot de contact, dont la distance par rapport à l'axe longitudinal du contact est inférieure à celle de la tige, et ledit tube est disposé intérieurement aux doigts et en position d'expansion, les doigts viennent buter contre le tube par l'intermédiaire d'une surface ménagée dans les plots de contacts des doigts.According to a preferred embodiment, the fingers comprise a rod integral with said base and a contact pad, the distance from the longitudinal axis of the contact is less than that of the rod, and said tube is disposed internally to the fingers and in the expansion position, the fingers abut against the tube via a surface formed in the contact pads of the fingers.

Ce mode de réalisation présente un avantage important. En effet, grâce à cet agencement intérieur du tube, le contact conforme à l'invention a les mêmes dimensions qu'un contact non équipé de limiteur de course radiale contrairement à ceux de l'art antérieur où le tube ou la bague extérieurs augmente l'encombrement du contact. Or ceci peut être rédhibitoire dans certaines applications, en particulier dans les chambres de coupure de disjoncteurs à haute ou moyenne tension. Grâce à ce perfectionnement, l'écoulement du gaz autour du contact n'est pas perturbé.This embodiment has an important advantage. In fact, thanks to this internal arrangement of the tube, the contact according to the invention has the same dimensions as a contact not equipped with a radial stroke limiter, unlike those of the prior art where the outer tube or ring increases the size of the contact. However, this can be prohibitive in certain applications, in particular in the breaking chambers of high or medium voltage circuit breakers. Thanks to this improvement, the flow of gas around the contact is not disturbed.

Avantageusement, ledit organe élastique est une lame dont une extrémité de fixation est fixée à proximité de ladite embase et dont une extrémité libre est en butée contre les doigts en position de repos.Advantageously, said elastic member is a blade, one fixing end of which is fixed near said base and one free end of which is in abutment against the fingers in the rest position.

De préférence, chaque plot comporte une encoche interne dans laquelle sont logées les extrémités libres du tube et de ladite lame.Preferably, each stud has an internal notch in which the free ends of the tube and of said blade are housed.

Selon une constitution particulière, il comporte un socle comportant des rainures recevant les extrémités de fixation des lames, le tube venant bloquer lesdites lames une fois ledit socle emboîté sur celui-ci et étant lui-même bloqué par les doigts, l'embase des doigts étant fixée sur ledit socle.According to a particular constitution, it comprises a base comprising grooves receiving the fixing ends of the blades, the tube coming to block said blades once said base fitted onto it and being itself blocked by the fingers, the base of the fingers being fixed on said base.

Avantageusement, le socle supporte un tube de protection thermique intérieur.Advantageously, the base supports an internal thermal protection tube.

L'invention est exposée ci-après plus en détail à l'aide de dessins ne représentant qu'un mode de réalisation préféré de l'invention.The invention is set out below in more detail with the aid of drawings representing only a preferred embodiment of the invention.

La figure 1 est une vue partiellement en coupe longitudinale des pièces constitutives d'un contact conforme à l'invention.Figure 1 is a partially longitudinal sectional view of the component parts of a contact according to the invention.

La figure 2 est une vue en coupe longitudinale d'un contact conforme à l'invention au repos.Figure 2 is a longitudinal sectional view of a contact according to the invention at rest.

La figure 3 est une vue en coupe longitudinale d'un contact conforme à l'invention en position d'expansion radiale maximale.Figure 3 is a longitudinal sectional view of a contact according to the invention in the position of maximum radial expansion.

Comme représenté sur la figure 1, le contact de type tulipe conforme à l'invention comporte de façon classique des doigts de contact 2 parallèles, disposés côte à côte selon les génératrices d'un cylindre et pourvus d'une embase commune 3. Les doigts 2 comporte une tige 6 solidaire de ladite embase 3 et un plot de contact 7, dont la distance par rapport à l'axe 8 longitudinal du contact est inférieure à celle de la tige 6. Les plots 7 sont pourvus d'une encoche interne 10.As shown in Figure 1, the tulip-type contact according to the invention conventionally comprises parallel contact fingers 2, arranged side by side along the generatrices of a cylinder and provided with a common base 3. The fingers 2 comprises a rod 6 integral with said base 3 and a contact pad 7, the distance from the longitudinal axis 8 of the contact is less than that of the rod 6. The pads 7 are provided with an internal notch 10 .

Le contact comporte également un limiteur de course radiale des doigts constitué d'un tube 4 coaxial aux doigts 2. Le tube 4 est destiné à être disposé intérieurement aux doigts 2, son extrémité libre venant se loger dans les encoches 10 ménagées dans les plots 7.The contact also comprises a radial stroke limiter of the fingers consisting of a tube 4 coaxial with the fingers 2. The tube 4 is intended to be disposed internally with the fingers 2, its free end being received in the notches 10 formed in the studs 7 .

Le contact comporte enfin un socle 11 tubulaire comportant des rainures 12 disposées sur sa périphérie et régulièrement réparties en correspondance à la disposition des doigts 2. Ces rainures 12 reçoivent les extrémités de fixation de lames 5 de longueur sensiblement égale à celle du tube 4 et réalisées dans un métal à bonnes propriétés élastiques. A ce socle 11 est également fixé de façon rigide un tube de protection intérieur 13 réalisé dans un métal résistant à la température et assurant la protection thermique interne du contact lorsqu'un arc électrique apparaît à l'intérieur du contact tulipe.The contact finally comprises a tubular base 11 comprising grooves 12 arranged on its periphery and regularly distributed in correspondence at the disposal of the fingers 2. These grooves 12 receive the blade attachment ends 5 of length substantially equal to that of the tube 4 and produced in a metal with good elastic properties. To this base 11 is also rigidly fixed an inner protection tube 13 made of a metal resistant to temperature and ensuring the internal thermal protection of the contact when an electric arc appears inside the tulip contact.

Lors du montage de ces pièces constitutives particulièrement simples à réaliser industriellement, le tube 4 vient bloquer les lames 5 par une bride 14 intérieure maintenant les extrémités des lames 5 dans les rainures 12, une fois ledit socle 11 emboîté dans le tube 4. Cet ensemble est alors emboîté dans l'embase 3 des doigts 2, les extrémités libres du tube 4 et des lames 5 venant se loger dans les encoches 10. Pour permettre un positionnement correct des lames 5 en face des doigts 2, l'embase 3 est pourvue de pions de positionnement 15, visibles sur les figures 2 et 3, venant s'emboîter dans des orifices prévus dans le socle 11. L'embase 3 des doigts 2 est alors fixée sur le socle 11 par l'intermédiaire de plots de fixation 16 reliés à une partie support du contact non représentée.When mounting these component parts which are particularly simple to produce industrially, the tube 4 comes to block the blades 5 by an internal flange 14 holding the ends of the blades 5 in the grooves 12, once said base 11 is fitted into the tube 4. This assembly is then fitted into the base 3 of the fingers 2, the free ends of the tube 4 and of the blades 5 which are received in the notches 10. To allow correct positioning of the blades 5 opposite the fingers 2, the base 3 is provided of positioning pins 15, visible in FIGS. 2 and 3, which fit into holes provided in the base 11. The base 3 of the fingers 2 is then fixed on the base 11 by means of fixing studs 16 connected to a support part of the contact not shown.

Le contact ainsi monté est représenté sur la figure 2. Dans cette position de repos, les lames 5 non déformées reposent sur la surface 9 de butée des encoches 10.The contact thus mounted is shown in FIG. 2. In this rest position, the non-deformed blades 5 rest on the abutment surface 9 of the notches 10.

Lors de l'enclenchement du contact tulipe avec un contact mâle 1, comme représenté sur la figure 3, les doigts 2 prennent une position maximale d'expansion radiale. Cette expansion est limitée par la butée des doigts 2 contre le tube rigide 4 par leur surface 9. Entre ce tube 4 et la surface 9 se trouve l'extrémité libre d'une lame 5 pour chaque doigt 2. Cette lame 5 est donc déformée et du fait de son élasticité elle travaille en compression, poussant le plot 7 de chaque doigt 2 contre la surface externe du contact mâle 1, cette poussée s'additionnant à l'effort propre des doigts 2.When the tulip contact is engaged with a male contact 1, as shown in FIG. 3, the fingers 2 assume a maximum position of radial expansion. This expansion is limited by the stop of the fingers 2 against the rigid tube 4 by their surface 9. Between this tube 4 and the surface 9 is the free end of a blade 5 for each finger 2. This blade 5 is therefore deformed and because of its elasticity it works in compression, pushing the stud 7 of each finger 2 against the external surface of the male contact 1, this push adding to the force exerted by the fingers 2.

Cet effort additionnel obtenu grâce aux lames 5 est aisément ajustable en dimensionnant correctement celles-ci. L'on peut ainsi ,pour une même tulipe de doigts 2, obtenir l'effort de contact souhaité en ne modifiant que les pièces peu coûteuses que sont les lames 5.This additional effort obtained thanks to the blades 5 is easily adjustable by correctly dimensioning them. It is thus possible, for the same tulip of fingers 2, to obtain the desired contact force by modifying only the inexpensive parts that are the blades 5.

Claims (6)

1) Contact de type tulipe, destiné à coopérer avec un contact mâle cylindrique (1) et comportant des doigts de contact (2) parallèles, disposés côte à côte selon les génératrices d'un cylindre et pourvus d'une embase commune (3), contact comprenant un limiteur de course radiale des doigts constitué d'un tube (4) coaxial aux doigts (2) sur lequel viennent buter les doigts (2) en position maximale d'expansion radiale et caractérisé en ce qu'à chaque doigt (2) est associé un organe élastique (5) disposé entre ledit tube (4) et le doigt (2) et travaillant en compression lors de l'expansion radiale des doigts (2). 1) Tulip type contact, intended to cooperate with a cylindrical male contact (1) and comprising parallel contact fingers (2), arranged side by side along the generatrices of a cylinder and provided with a common base (3) , contact comprising a radial stroke limiter of the fingers consisting of a tube (4) coaxial with the fingers (2) on which the fingers (2) abut in the maximum position of radial expansion and characterized in that at each finger ( 2) is associated an elastic member (5) disposed between said tube (4) and the finger (2) and working in compression during the radial expansion of the fingers (2). 2) Contact selon la revendication 1, dont les doigts (2) comporte une tige (6) solidaire de ladite embase (3) et un plot de contact (7), dont la distance par rapport à l'axe (8) longitudinal du contact est inférieure à celle de la tige (6), caractérisé en ce que ledit tube (4) est disposé intérieurement aux doigts (2) et en ce qu'en position d'expansion, les doigts (2) viennent buter contre le tube (4) par l'intermédiaire d'une surface (9) ménagée dans les plots de contacts (7) des doigts (2). 2) Contact according to claim 1, whose fingers (2) comprises a rod (6) integral with said base (3) and a contact pad (7), the distance from the longitudinal axis (8) of the contact is less than that of the rod (6), characterized in that said tube (4) is disposed internally to the fingers (2) and in that in the expansion position, the fingers (2) abut against the tube (4) by means of a surface (9) formed in the contact pads (7) of the fingers (2). 3) Contact selon la revendication 1 ou 2, caractérisé en ce que ledit organe élastique est une lame (5) dont une extrémité de fixation est fixée à proximité de ladite embase (3) et dont une extrémité libre est en butée contre les doigts (2) en position de repos. 3) Contact according to claim 1 or 2, characterized in that said elastic member is a blade (5), one fixing end is fixed near said base (3) and a free end of which is in abutment against the fingers ( 2) in the rest position. 4) Contact selon la revendication 3, caractérisé en ce que chaque plot (7) comporte une encoche interne (10) dans laquelle sont logées les extrémités libres du tube (4) et de ladite lame (5). 4) Contact according to claim 3, characterized in that each stud (7) has an internal notch (10) in which are housed the free ends of the tube (4) and said blade (5). 5) Contact selon la revendication 4, caractérisé en ce qu'il comporte un socle (11) comportant des rainures (12) recevant l'extrémité de fixation des lames (5), le tube (4) venant bloquer lesdites lames (5) une fois ledit socle (11) emboîté sur celui-ci et étant lui-même bloqué par les doigts (2), l'embase (3) des doigts (2) étant fixée sur ledit socle (11). 5) Contact according to claim 4, characterized in that it comprises a base (11) having grooves (12) receiving the fixing end of the blades (5), the tube (4) coming to block said blades (5) once said base (11) fitted onto the latter and being itself blocked by the fingers (2), the base (3) of the fingers (2) being fixed on said base (11). 6) Contact selon la revendication 5, caractérisé en ce que le socle (11) supporte un tube de protection thermique intérieur (13). 6) Contact according to claim 5, characterized in that the base (11) supports an inner thermal protection tube (13).
EP94401989A 1993-09-08 1994-09-07 Tulip type electrical contact Expired - Lifetime EP0642145B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9310662A FR2709882B1 (en) 1993-09-08 1993-09-08 Tulip-type electrical contact.
FR9310662 1993-09-08

Publications (3)

Publication Number Publication Date
EP0642145A1 true EP0642145A1 (en) 1995-03-08
EP0642145B1 EP0642145B1 (en) 1998-10-21
EP0642145B2 EP0642145B2 (en) 2004-04-07

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ID=9450642

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94401989A Expired - Lifetime EP0642145B2 (en) 1993-09-08 1994-09-07 Tulip type electrical contact

Country Status (4)

Country Link
EP (1) EP0642145B2 (en)
AT (1) ATE172576T1 (en)
DE (1) DE69414062T3 (en)
FR (1) FR2709882B1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0932172A2 (en) * 1998-01-23 1999-07-28 Siemens Aktiengesellschaft Contact arrangement for aN ELECTRIC power circuit breaker
DE19923458A1 (en) * 1999-05-21 2000-11-30 Knorr Bremse Systeme Electronically controlled braking system
EP1675144A1 (en) * 2004-12-23 2006-06-28 ABB Technology AG High voltage switch with arc resistant short circuit current conductor
CN102714102A (en) * 2010-01-22 2012-10-03 西门子公司 Electrical contact element having a primary axis
CN107706036A (en) * 2017-10-25 2018-02-16 宁波中迪机械有限公司 Fingertip component
CN107946099A (en) * 2017-10-25 2018-04-20 宁波中迪机械有限公司 A kind of electrical connection module
CN114649161A (en) * 2021-12-16 2022-06-21 河南平高电气股份有限公司 Three-station isolation grounding switch and isolation static contact

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2492579A1 (en) * 1980-10-22 1982-04-23 Alsthom Atlantique CONTACT FOR ELECTRICAL EQUIPMENT, SUCH AS CIRCUIT BREAKER
DE3618455A1 (en) * 1986-06-02 1987-12-03 Siemens Ag Contact system for gas blowout switch - has contact laminae connected to sliding contact piece moving coaxially w.r.t. fixed contact piece

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2492579A1 (en) * 1980-10-22 1982-04-23 Alsthom Atlantique CONTACT FOR ELECTRICAL EQUIPMENT, SUCH AS CIRCUIT BREAKER
DE3618455A1 (en) * 1986-06-02 1987-12-03 Siemens Ag Contact system for gas blowout switch - has contact laminae connected to sliding contact piece moving coaxially w.r.t. fixed contact piece

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0932172A2 (en) * 1998-01-23 1999-07-28 Siemens Aktiengesellschaft Contact arrangement for aN ELECTRIC power circuit breaker
EP0932172A3 (en) * 1998-01-23 2000-04-05 Siemens Aktiengesellschaft Contact arrangement for aN ELECTRIC power circuit breaker
DE19923458A1 (en) * 1999-05-21 2000-11-30 Knorr Bremse Systeme Electronically controlled braking system
EP1675144A1 (en) * 2004-12-23 2006-06-28 ABB Technology AG High voltage switch with arc resistant short circuit current conductor
WO2006066426A1 (en) * 2004-12-23 2006-06-29 Abb Technology Ag Heavy-duty circuit breaker featuring arc-resistant fault current conduction
US7595461B2 (en) 2004-12-23 2009-09-29 Abb Technology Ag Heavy-duty circuit breaker with erosion-resistant short-circuit current routing
CN102714102A (en) * 2010-01-22 2012-10-03 西门子公司 Electrical contact element having a primary axis
CN102714102B (en) * 2010-01-22 2016-02-17 西门子公司 There is the electric contact piece of main shaft
CN107706036A (en) * 2017-10-25 2018-02-16 宁波中迪机械有限公司 Fingertip component
CN107946099A (en) * 2017-10-25 2018-04-20 宁波中迪机械有限公司 A kind of electrical connection module
CN114649161A (en) * 2021-12-16 2022-06-21 河南平高电气股份有限公司 Three-station isolation grounding switch and isolation static contact
CN114649161B (en) * 2021-12-16 2024-04-05 河南平高电气股份有限公司 Three-station isolation grounding switch and isolation static contact

Also Published As

Publication number Publication date
DE69414062T2 (en) 1999-04-08
DE69414062D1 (en) 1998-11-26
DE69414062T3 (en) 2004-12-30
FR2709882B1 (en) 1995-10-20
EP0642145B1 (en) 1998-10-21
EP0642145B2 (en) 2004-04-07
FR2709882A1 (en) 1995-03-17
ATE172576T1 (en) 1998-11-15

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