EP3108489B1 - Broche de contact, contact tubulaire et procédé de production - Google Patents

Broche de contact, contact tubulaire et procédé de production Download PDF

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Publication number
EP3108489B1
EP3108489B1 EP15709834.4A EP15709834A EP3108489B1 EP 3108489 B1 EP3108489 B1 EP 3108489B1 EP 15709834 A EP15709834 A EP 15709834A EP 3108489 B1 EP3108489 B1 EP 3108489B1
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EP
European Patent Office
Prior art keywords
contact
support
pipe
sleeve
contact pin
Prior art date
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Active
Application number
EP15709834.4A
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German (de)
English (en)
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EP3108489A1 (fr
Inventor
August SCHWAIGER
Mike BÖNING
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Plansee Powertech AG
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Plansee Powertech AG
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/04—Co-operating contacts of different material
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/021—Composite material
    • H01H1/025—Composite material having copper as the basic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/021—Composite material
    • 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
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
    • H01H11/041—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts by bonding of a contact marking face to a contact body portion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
    • H01H11/041—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts by bonding of a contact marking face to a contact body portion
    • H01H11/042—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts by bonding of a contact marking face to a contact body portion by mechanical deformation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
    • H01H11/041—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts by bonding of a contact marking face to a contact body portion
    • H01H11/043—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts by bonding of a contact marking face to a contact body portion by resistance welding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
    • H01H11/06—Fixing of contacts to carrier ; Fixing of contacts to insulating carrier

Definitions

  • the invention relates to a contact pin and a pipe contact for switches in the high voltage range and / or medium voltage range and in each case a method for producing a contact pin and pipe contact.
  • DE 10 2008 060 971 B3 discloses a contact part for high voltage switches.
  • a contact element made of an arc-resistant material is mounted on a base body.
  • the main body can be designed as a pin or as a hollow pin or tube.
  • the outside of the base body is covered in an area adjoining the contact element with an arc-resistant or burn-resistant protective layer.
  • DE 10 2012 101222 A1 discloses a contact pin for high voltage and / or medium voltage switch, according to the preamble of claim 1.
  • a contact pin for switches in the high voltage range and / or medium voltage range is provided.
  • the contact pin is designed for switching voltages in a range of about 12 kV to about 1200 kV.
  • the contact pin engages in an opening of a pipe contact to close a switching contact, so that via contact pin and pipe contact power is passed.
  • arcing occurs due to the high voltages applied, which can lead to burnup at the contact pin and the pipe contact.
  • the contact pin has a contact tip made of a burn-resistant or arc-resistant material in order to prevent such burnup.
  • the contact tip of a refractory metal or be made of a refractory metal alloy so that it withstands the arcs and the high temperatures occurring.
  • a refractory metal refers to a metal having a melting point greater than or equal to 1772 ° C (equivalent to the melting point of platinum).
  • an alloy based on an element X in the context of this invention means an alloy having a content of X> 50 At%.
  • tungsten infiltrated with copper can be used, in particular with a mass fraction of copper between 10 to 40 wt.%, Particularly preferably 20 wt.% Copper (WCu 80/20).
  • the contact pin further comprises a tubular carrier sleeve which is connected to the contact tip.
  • the connection is preferably made by casting behind. Alternative joining techniques are welding and soldering.
  • a carrier core is formed or arranged, so that the carrier sleeve forms a contact carrier for the contact element together with the carrier core.
  • the carrier core extends over the entire length (in the axial direction of the contact pin) of the carrier sleeve and / or the carrier core fills the (inner) volume of the carrier sleeve.
  • Carrier sleeve and carrier core are preferably bonded together (metallurgical bonded) to provide a stable connection between the two elements.
  • the carrier core is cast into the carrier sleeve. Insertion of the carrier core in the carrier sleeve, connecting carrier core and carrier sleeve, carrier core and contact tip and the carrier sleeve and contact tip is preferably carried out by a Schug screenvorgang.
  • the carrier core can be pressed into the carrier sleeve by means of a hot isostatic pressing process.
  • the carrier core can be provided as a prefabricated element which is inserted or introduced into the sleeve (before or after the connection of the carrier sleeve to the contact tip).
  • the carrier sleeve encloses the carrier core laterally and forms the outside of the contact carrier, which connects directly to the contact tip.
  • the contact tip is arranged in a front region of the contact pin, in which arcs occur during use or when switching.
  • the carrier sleeve is arranged in a subsequent to the front region rear portion of the contact pin, in which no arcs occur in use.
  • the requirements for the sleeve material are lower than the contact tip material, which may be made of eg WCu 80/20 as described above.
  • the contact tip material which may be made of eg WCu 80/20 as described above.
  • a less expensive material may be used for the carrier sleeve, thereby reducing the overall cost of the contact pin. It is also no costly coating of the contact pin with arc-resistant material necessary as in DE 10 2008 060 971 B3 described.
  • the contact pin described above can be easily and inexpensively manufactured.
  • the contact tip eg easy to produce solid cylinder
  • the tubular support sleeve eg a finished tube
  • the carrier sleeve can also be welded or soldered to the contact tip, for example.
  • the carrier sleeve is tubular, ie the carrier sleeve is open at two opposite ends or has open sleeve ends in the axial direction.
  • the core material poured into the sleeve directly comes into contact with the contact tip, which additionally provides a stable connection between the core and the contact tip.
  • the carrier core is made of a material with good electrical conductivity.
  • the carrier core is made of copper or aluminum or of an alloy based on copper and / or aluminum.
  • the carrier core is made of copper.
  • the entire cross section of the contact pin is used to conduct electricity.
  • the carrier core has a higher electrical conductivity than the carrier sleeve, so that the contact pin in the region of the contact carrier is electrically good conducting.
  • the core material is selected from: Cu, Cu alloy (e.g., CuCr1Zr), Al, and steel.
  • the carrier sleeve is made of a material that is heat resistant (e.g., up to about 1000 ° C) and resistant to hot gases ("under fire").
  • the sleeve material is designed to withstand the hot insulating gases produced by the circuits.
  • insulating gas e.g., sulfur hexafluoride 'SF6'
  • molybdenum or tungsten can be used as the sleeve material, or an alloy based on molybdenum or tungsten with a mass fraction greater than or equal to 90% by weight of tungsten or greater than or equal to 90% by weight of molybdenum.
  • tungsten copper having a mass fraction of copper between 10 to 40% by weight may be used, e.g. WCu 80/20 (Cu: 20% by weight).
  • steel may be used as the carrier sleeve material, thereby providing a particularly cost effective alternative.
  • a relatively 'soft' core material e.g. Copper, stiffened or stabilized the carrier sleeve, the carrier core or the contact pin.
  • contact tip and the carrier sleeve different materials or the same materials can be used. Even with the use of the same material for contact tip and sleeve is the production of the contact pin by connecting the two individual elements contact tip and sleeve easier and cheaper than, for example, providing only one (cylindrical) element which is drilled so that a tip of solid material remains, with an adjoining (drilled) hollow cylinder. In particular, in this case falls to consuming to be recycled drilling waste.
  • the sleeve material has a lower density than the contact tip material. This can reduce the weight of the contact pin. Contact pins (and pipe contacts) or switching contacts of high-voltage switches are closed and opened by means of drives. A lower weight of the contact pin means a lower load on the drive or lower-cost drives with lower power can be used.
  • the contact tip is made of WCu 80/20 (15.2 g / cm 3 ) and the carrier sleeve is made of molybdenum (10.2 g / cm 3 ) or MoCu 80/20 (9.94 g / cm 3 ). resulting in a weight saving of 17-20%.
  • the core material preferably has a lower density than the sleeve material to further reduce the weight of the contact pin.
  • the wall thickness of the carrier sleeve i. the difference between outer diameter and inner diameter of the sleeve, in a range between 5% to 25% of the outer radius of the support sleeve.
  • the contact pin is stabilized and protected against erosion by hot gases.
  • the diameter of the carrier sleeve (the contact carrier) is about 20 mm and the wall thickness of the carrier sleeve about 1.5 mm (7.5%).
  • the length / extent of the contact tip in the axial direction of the contact pin is selected so that, as described above, occurring during use of the contact pin arcs are limited to the contact tip or that occurring arcs do not hit the contact carrier or the carrier sleeve.
  • the length ratio between the contact tip and the carrier sleeve is between 1: 7 and 1: 5.
  • the contact tip has a length (in the axial direction or movement direction of the contact pin) of about 24 mm and the carrier sleeve or the contact carrier has an axial length of about 130 mm.
  • the axial length of the contact tip is greater than 20 mm.
  • the carrier sleeve is made of a sheet metal material, which is bent into a sleeve (pipe), so that two opposite edges of the sheet abut each other. Subsequently, the edges are welded together to provide the tubular carrier sleeve.
  • a seamless (finished) tube may be used as the carrier sleeve, e.g. is produced by extrusion or continuous casting.
  • a pipe contact for high voltage and / or medium voltage switch is provided, which is adapted to receive a contact pin as described above, to close a switching contact between the contact pin and the pipe contact.
  • the tube contact has an arc-resistant or burn-resistant contact ring and a support tube connected to the contact ring.
  • the contact ring is located in a front region of the pipe contact in which arcing may occur when used in a switch.
  • the carrier tube is arranged in a rear region of the tube contact adjoining the front region, in which arcing does not occur in use, or is arranged outside the region in which arcs may occur.
  • the same materials may be used as described above with respect to the contact tip or the carrier sleeve.
  • the tube contact can be easily made by axially aligning a contact ring (eg, sintered tungsten) and a carrier tube (eg, sintered molybdenum) and infiltrating them in a crucible with, eg, copper.
  • a contact ring eg, sintered tungsten
  • a carrier tube eg, sintered molybdenum
  • the two components are infiltrated with a good electrically conductive material, such as copper, and interconnected.
  • the generated infiltrated Part machined to provide the receiving opening for a contact pin as described above.
  • the support tube has a smaller wall thickness than the contact ring, wherein the support tube has the same or substantially the same inner diameter as the contact ring.
  • the infiltrated part can be processed so that on the outside of the support tube, a corresponding copper layer remains, which ensures a good electrical conductivity of the pipe contact.
  • the support tube is exposed on the inside of the pipe contact, so that the pipe contact is protected in this area from hot gases and high temperatures that occur in the formation of arcs, as described above with respect to the contact pin.
  • the support tube In order to protect an outer surface of the pipe contact from the influence of hot gases and high temperatures, the support tube alternatively has the same outer diameter as the contact ring, with a smaller wall thickness. After infiltrating and machining the two elements, the support tube is exposed on the outside and a layer of infiltrated material (e.g., copper) remains on the inside of the support tube, which in turn ensures good electrical conductivity of the tube contact.
  • infiltrated material e.g., copper
  • Fig. 1a-c show schematically and in a sectional side view the components of a contact pin 2 during manufacture.
  • the contact pin 2 is constructed from a contact tip 4, a carrier sleeve 6 and a carrier core 8.
  • the contact tip 2 When using the contact tip 2 in a high voltage switch, the contact tip 2 contacts a tube contact 10a-b (FIG. Fig. 2a-b and 3a-b ) to close the switch contact.
  • the contact tip 4 is made of an arc-resistant or burn-resistant material, so that the contact tip 4 and the contact pin 2 is not damaged by the arcs occurring during a switching operation.
  • WCu 80/20 Cu: 20% by weight
  • the contact tip 4 extends over the entire front region of the contact pin 2, in which arcing may occur during a switching operation.
  • the contact tip 4 has an extension / length in the axial direction A (direction of movement), which ensures that arcing occurring in use remains limited to the contact tip 4.
  • the tubular support sleeve 6 is arranged and connected to the contact tip 4, for example by electron beam welding.
  • the compound cantilever tip 4 and carrier sleeve during pouring of the carrier core 8 done.
  • the carrier sleeve 6 is arranged in a region of the contact pin 2 in which no arcing occurs during use or the carrier sleeve 6 is arranged outside the region in which arcs may occur. Therefore, the carrier sleeve 6 can be made of a material which is not arc-resistant but is (only) heat-resistant and resistant to hot gases resulting from switching operations due to the arcing. In particular, cheaper Materials are used, so that the manufacturing cost of the contact pin 2 are reduced.
  • lower density materials can be used for the carrier sleeve 6, thereby reducing the overall weight of the contact pin 2, which in turn less stresses a driver for the contact pin 2, or a less expensive drive with less power.
  • molybdenum, tungsten, or other refractory metal or refractory metal-based alloy may be used for the support sleeve 6.
  • steel which is designed to withstand high temperatures (eg up to 1000 ° C).
  • the carrier sleeve 6 can be provided, for example, as a seamless (finished) tube. Alternatively, a flat sheet can be easily bent into a tube or hollow cylinder and welded.
  • the carrier sleeve 6 After the carrier sleeve 6 has been attached to the contact tip 4 or has only been positioned ( Fig. 1b ), the carrier sleeve 6 is poured out in a next step, so that a carrier core 8 is formed in the carrier sleeve 6.
  • the carrier core 8 is made of a good electrically conductive material, for example copper, aluminum or a corresponding alloy based on copper / aluminum, for example CuCr1Zr.
  • the electrically good conductive carrier core 8 improves the electrical conductivity of the contact pin 2.
  • the carrier core 8 is in direct contact with the contact tip 4 via the open end of the sleeve 6 (towards the contact tip 4), so that a very good conductive connection between the tip 4 and the core 8 is provided.
  • the sleeve 6 stabilizes or supports the carrier core 8.
  • the carrier core 8 extends slightly beyond the open end of the sleeve 6 to ensure that the contact pin 2 can be securely installed in a corresponding switch or with a support (not shown) can be connected, preferably by electron beam welding. Alternatively, the core 8 is flush with the sleeve 6.
  • Fig. 4 shows a schematic representation of an alternative embodiment of a contact pin 2 '. Unless stated otherwise, the function corresponds and use of the elements of the contact pin 2 'described below in connection with Fig. 1a-c Identical or corresponding elements of the contact pins 2, 2 'are provided with the same or corresponding reference numerals.
  • the in Fig. 4 shown contact pin 2 'a contact tip 4' with a recess 9 or recess or bore.
  • the recess 9 ' is also filled with the carrier core material, so that the carrier core 8' extends into the contact tip 4 '.
  • the carrier core material or the carrier core 8 ' is made of a good (heat) conductive material such as copper, this embodiment of the contact pin 2', the heat dissipation from the contact tip 4 'is improved, so that increases the life of the contact pin 2' ,
  • Fig. 2a-b show a schematic representation of a pipe contact 10a according to a first embodiment before and after an infiltration and processing.
  • Fig. 2a shows the two output elements of the tube contact 10a: a contact ring 12 with a receiving opening 20 (for receiving the contact pin 2 described above) and a support tube 14a.
  • the contact ring 12 is made of an arc-resistant material and arranged in a front region of the tube contact 10a, in which arcing may occur in use. Or. the contact ring has an extension / length in the axial direction A, which ensures that arcing occurring in use remains limited to the contact ring.
  • the support tube 14a is arranged in the pipe contact 10a in a region in which no arcs occur when using the support tube 10a.
  • the contact ring 12 and the carrier tube 14a are aligned axially with respect to one another.
  • Contact ring 12 and support tube 14a are provided, for example, as a sintered body and then infiltrated together in an infiltration process, for example with copper.
  • an infiltration process for example with copper.
  • the common infiltration contact ring 12 and tube 14a are connected together.
  • the excess infiltrating material is removed and the pipe contact 10a is given its final shape, as shown schematically in FIG Fig. 2b shown.
  • the support tube 14a has a smaller wall thickness and the same internal diameter as the contact ring 12.
  • an electrically conductive layer 16a remains on the outside of the support tube 14a.
  • the conductive layer 16a extends over the front edge of the support tube 14a so that the tube contact 10a can be securely connected to a support (not shown), preferably by electron beam welding.
  • this layer 16a is stably connected to the contact ring 12 and support tube 14a, providing an extremely stable and electrically well conductive tube contact 10a.
  • the inside of the exposed carrier tube 14a ensures the protection of the inside of the tube contact 10a from the influence of high temperatures and hot gases, as described above with respect to the support sleeve 6 and the pin 2.
  • Fig. 3a-b show a schematic representation of a pipe contact 10b according to a second embodiment before and after the infiltration and reworking. Unless otherwise stated, the elements, functions and materials used are as set forth above Fig. 2a-b described.
  • the support tube 14b has the same outer diameter as the contact ring 12 (with a smaller wall thickness).
  • an electrically conductive layer 16b of infiltrating material is provided on the inside of the support tube 14b.
  • the exposed on the outside support tube 14a ensures the protection of the outside of the Pipe contact 10a before the influence of high temperatures and hot gases, as described with respect to the support sleeve 6 and the contact pin 2.
  • support sleeve 6 or core 8 can also be used for contact ring 12, support tube 14a-b or electrical conductors 16a-b.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Contacts (AREA)
  • Manufacture Of Switches (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)

Claims (11)

  1. Tige de contact (2, 2') pour commutateur à haute tension et/ou à moyenne tension, la tige de contact (2, 2') présentant
    une pointe de contact (4, 4') en un matériau résistant au feu et une douille de support (6) de forme tubulaire reliée à la pointe de contact (4, 4'),
    une âme de support (8, 8') disposée dans la douille de support (6) et reliée à la douille de support (6),
    la pointe de contact (4, 4') étant disposée dans une partie avant de la tige de contact (2, 2') dans laquelle surviennent des arcs lumineux lorsque la tige de contact (2, 2') est utilisée,
    la douille de support (6) étant disposée dans une partie arrière de la tige de contact (2, 2') qui se raccorde à la partie avant et dans laquelle aucun arc lumineux ne survient lorsque la tige de contact (2, 2') est utilisée,
    caractérisée en ce que
    le matériau de la douille de support est sélectionné parmi un métal réfractaire, un alliage à base de métaux réfractaires et l'acier.
  2. Tige de contact selon la revendication 1, dans laquelle le matériau de la douille de support présente une densité moindre que celle du matériau de la pointe de contact et/ou dans laquelle le matériau de l'âme de support présente une densité moindre que celle du matériau de la douille.
  3. Tige de contact selon la revendication 1 ou 2, dans laquelle l'âme de support (8, 8') présente une conductivité électrique plus élevée que la douille de support (6).
  4. Tige de contact selon la revendication 1, 2 ou 3, dans laquelle l'épaisseur de la paroi de la douille de support (6) représente entre 5 % et 25 % et de préférence entre 15 % et 18 % du rayon extérieur de la douille de support (6).
  5. Tige de contact selon l'une des revendications précédentes, dans laquelle la pointe de contact (4, 4') est réalisée en au moins un métal réfractaire ou un alliage de métaux réfractaires dont la teneur massique en métaux réfractaires est supérieure ou égale à 90 % en poids, le ou les métaux réfractaires étant notamment sélectionnés parmi le tungstène et le molybdène.
  6. Tige de contact selon l'une des revendications précédentes, dans laquelle le matériau de l'âme de support est sélectionné parmi le cuivre, l'aluminium, un alliage à base de cuivre ou d'aluminium et l'acier.
  7. Tige de contact selon l'une des revendications précédentes, dans laquelle la douille de support (6) et l'âme de support (8, 8') sont reliées l'une à l'autre en correspondance de matière, l'âme de support (8, 8') étant de préférence coulée dans la douille de support (6).
  8. Procédé de fabrication d'une tige de contact (2, 2') selon l'une des revendications précédentes, le procédé présentant les étapes qui consistent à :
    préparer une pointe de contact (4, 4') en un matériau résistant au feu,
    relier une douille de support (6) de forme tubulaire en un métal réfractaire, un alliage à base de métal réfractaire ou en acier avec la pointe de contact (4, 4'), un matériau d'âme de support étant disposé dans la douille de support (6) ou pouvant y être disposé pour former une âme de support (8, 8') dans la douille de support (6).
  9. Contact tubulaire destiné à recevoir une tige de contact (2, 2') selon l'une des revendications 1 à 6,
    le contact tubulaire (10a-b) présentant :
    une bague de contact (12) résistant au feu et
    un tube de support (14a-b) relié à la bague de contact (12),
    la bague de contact (12) étant disposée dans une partie avant du contact tubulaire (10a-b) dans laquelle surviennent des arcs lumineux lorsque le contact tubulaire est utilisé et
    le tube de support (14a-b) étant disposé dans une partie arrière du contact tubulaire (10a-b) qui se raccorde à la partie avant et dans laquelle aucun arc lumineux ne survient lorsque le contact tubulaire est utilisé,
    caractérisé en ce que
    le matériau du tube de support est sélectionné parmi un métal réfractaire, un alliage à base de métaux réfractaires et l'acier.
  10. Contact tubulaire selon la revendication 9, dans lequel le tube de support (14a) présente une épaisseur de paroi moindre que celle de la bague de contact (12) et le diamètre intérieur du tube de support (14a) correspond au diamètre intérieur de la bague de contact (12) ou
    dans lequel le tube de support (14b) présente une épaisseur de paroi moindre que celle de la bague de contact (12) et le diamètre extérieur du tube de support (14b) correspond au diamètre extérieur de la bague de contact (12).
  11. Procédé de fabrication d'un contact tubulaire (10a-b) selon la revendication 9 ou 10, présentant les étapes qui consistent à :
    préparer une bague de contact (12) résistant au feu,
    préparer un tube de support (14a-b) en un métal réfractaire, un alliage à base de métal réfractaire ou en acier,
    infiltrer conjointement la bague de contact (12) et le tube de support (14a-b) alignés axialement l'un par rapport à l'autre de telle sorte que la bague de contact (12) et le tube de support (14a-b) soient reliés l'un à l'autre,
    traiter la bague de contact (12) et le tube de support (14a-b) qui ont été reliés, de manière à former une ouverture de réception (20) permettant de recevoir une tige de contact (2, 2') selon l'une des revendications 1 à 6.
EP15709834.4A 2014-02-21 2015-02-19 Broche de contact, contact tubulaire et procédé de production Active EP3108489B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATGM80/2014U AT13815U3 (de) 2014-02-21 2014-02-21 Kontaktstift und Rohrkontakt sowie Verfahren zur Herstellung
PCT/EP2015/000368 WO2015124300A1 (fr) 2014-02-21 2015-02-19 Broche de contact, contact tubulaire et procédé de production

Publications (2)

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EP3108489A1 EP3108489A1 (fr) 2016-12-28
EP3108489B1 true EP3108489B1 (fr) 2019-01-16

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EP15709834.4A Active EP3108489B1 (fr) 2014-02-21 2015-02-19 Broche de contact, contact tubulaire et procédé de production

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US (1) US9875857B2 (fr)
EP (1) EP3108489B1 (fr)
JP (1) JP6411531B2 (fr)
KR (1) KR102287997B1 (fr)
CN (1) CN106104730B (fr)
AT (1) AT13815U3 (fr)
ES (1) ES2719836T3 (fr)
WO (1) WO2015124300A1 (fr)

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Publication number Priority date Publication date Assignee Title
EP3796353A1 (fr) * 2019-09-20 2021-03-24 Siemens Energy Global GmbH & Co. KG Agencement de contact

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IT1047627B (it) * 1974-10-01 1980-10-20 Reyrolle Parsons Ltd Perfezionamento negli interrutto ri per alte tensioni
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IT8420810V0 (it) * 1984-02-10 1984-02-10 Sace Spa Sistema di contatti d'arco per interruttori elettrici, particolarmente a fluido d'estinzione dell'arco.
EP0205897B1 (fr) * 1985-06-24 1991-10-16 BBC Brown Boveri AG Contact d'arc et procédé de fabrication de ce contact ou un élément similaire
JPS6380426A (ja) * 1986-09-24 1988-04-11 株式会社明電舎 真空インタラプタ
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Also Published As

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JP2017506421A (ja) 2017-03-02
KR102287997B1 (ko) 2021-08-10
US9875857B2 (en) 2018-01-23
US20160379765A1 (en) 2016-12-29
KR20160121527A (ko) 2016-10-19
ES2719836T3 (es) 2019-07-16
WO2015124300A1 (fr) 2015-08-27
CN106104730A (zh) 2016-11-09
AT13815U3 (de) 2015-05-15
CN106104730B (zh) 2019-11-08
AT13815U2 (de) 2014-09-15
JP6411531B2 (ja) 2018-10-24
EP3108489A1 (fr) 2016-12-28

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