EP3616227A1 - Élément de raccordement pour un contact mobile d'une ampoule à vide et appareillage à isolation gazeuse doté d'un élément de raccordement pour un contact mobile d'une ampoule à vide - Google Patents

Élément de raccordement pour un contact mobile d'une ampoule à vide et appareillage à isolation gazeuse doté d'un élément de raccordement pour un contact mobile d'une ampoule à vide

Info

Publication number
EP3616227A1
EP3616227A1 EP18716951.1A EP18716951A EP3616227A1 EP 3616227 A1 EP3616227 A1 EP 3616227A1 EP 18716951 A EP18716951 A EP 18716951A EP 3616227 A1 EP3616227 A1 EP 3616227A1
Authority
EP
European Patent Office
Prior art keywords
connection element
heat
connection
flexible
outer body
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
EP18716951.1A
Other languages
German (de)
English (en)
Other versions
EP3616227B1 (fr
Inventor
Marko-Boris Begovac
Patrick Halbach
Michael Leitner
Henning Milnikel
Michael Pohnke
Volker Strehlow
Roland STÜTZER
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP3616227A1 publication Critical patent/EP3616227A1/fr
Application granted granted Critical
Publication of EP3616227B1 publication Critical patent/EP3616227B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/6606—Terminal arrangements
    • 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
    • H01H1/5822—Flexible connections between movable contact and terminal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/52—Cooling of switch parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/62—Heating or cooling of contacts
    • 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
    • H01H1/5822—Flexible connections between movable contact and terminal
    • H01H2001/5827—Laminated connections, i.e. the flexible conductor is composed of a plurality of thin flexible conducting layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/52—Cooling of switch parts
    • H01H2009/526—Cooling of switch parts of the high voltage switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/6606—Terminal arrangements
    • H01H2033/6613—Cooling arrangements directly associated with the terminal arrangements

Definitions

  • the invention relates to a connection element for a moving ⁇ contact a vacuum interrupter and a gas-insulated switch ⁇ system with such a connection element.
  • Switchgear systems are known in the prior art which have vacuum interrupters for switching short-circuit currents. These vacuum interrupters and their switching contacts are out ⁇ sets to turn off the high currents at short circuit currents can. These short-circuit currents are in the high kilo-ampere range (>> 1 kA).
  • the required geometry of the switching contacts in principle has a comparatively high contact resistance in the closed state of the vacuum ⁇ interrupter.
  • the object of the invention is therefore to remedy the disadvantages of the prior art.
  • connection element for a moving contact of a vacuum interrupter with a An ⁇ closing body, and a flexible power line element, wherein the connection element has at least one outer body ⁇ and the connection body is connected via a flexible, ebenlei ⁇ tendes connector with the at least one outer body ,
  • This innovative design enables a higher rated current while maintaining the size, as the heat dissipation from the switching system is significantly improved.
  • the heat dissipation is achieved via the use of the outer body, which is connected to the connection body at least thermally conductive. This additional heat dissipation, preferably in the region of the connection of connector body and flexible power-conducting member, allows a more compact construction on ⁇ .
  • connection body has one or more heat sinks.
  • the one or more heat sinks allow in addition to the outer body a further increased heat dissipation from the switching system, in particular away from the vacuum switch and its electrical connection points.
  • the heat sink or the cooling ribs which are preferably parallel to the longitudinal axis of a ⁇
  • the receiving opening can, regardless of the presence of heat sinks or cooling fins on the heat sinks, be hen with a fastening mechanism verse ⁇ hen, so that the moving contact is firmly connected to the connector body.
  • the Be ⁇ wegition the vacuum interrupter is firmly ⁇ clamped in the receiving opening.
  • the Dolphinkör is particularly preferred ⁇ in two parts by or slotted.
  • cooling fins run on the one or more heat sinks in the mounted state parallel to the gravitational force, ie vertically, and so an optimal convection along the heat sink is achieved.
  • the one or more heat sinks are not or partially or completely enclosed by the outer body.
  • an improved convection in the region of the heat sink is achieved, if they are not enclosed, or a compromise between absorption of heat radiation convection on the heat sinks with partially enclosed heat sinks achieved, or an improved absorption of heat radiation, completely enclosed ⁇ NEN Heatsink achieved.
  • the or the cooling body are so la ⁇ ckiert that the or the heatsink an increased upper ⁇ surface area, compared to the pure geometric shape, and / or an increased heat radiation, compared to a non-lacquered surface, have.
  • the outer body surrounds the flexible Stromlei ⁇ processing element partially or completely. This not only allows a better heat dissipation, but also mechanically protected the flexible power line element.
  • the outer body is formed by a cage made of thermally conductive material.
  • a cage made of thermally conductive material.
  • the flexible, heat-conducting connecting piece is designed to be electrically insulating. It is also preferred that the heat-conducting connecting piece is designed to conduct electricity and the flexible, heat-conducting connecting piece via the outer body conductive with a
  • connection element Main current path of the connection element is connectable.
  • the Au ⁇ . Congress is therefore on the one hand electrically connected to the terminal body, and a thermally conductive manner and on the other hand, electrically conductive and thermally conductive main current path ver ⁇ prevented, so that the rated current can split and the heating can be reduced at the contact points. At the same time, improved heat dissipation via the outer body is possible.
  • the outer body can be connected via a further current-conducting, flexible, heat-conducting connecting piece to a main flow path of the connecting element.
  • the flexible, heat-conducting connec ⁇ tion piece and / or the flexible power line element has on the sides of fan-out, which increase the surface area and contribute to increased heat radiation, or this causes.
  • Another embodiment relates to a gas insulated switchgear having at least one ⁇ Vakuumschaltröh ⁇ re wherein a moving contact of the vacuum interrupter designs is contacted with a connecting element according to one or more of the foregoing.
  • the insulating gas comprises one or more of the following gases SF6 and / or one or more fluoroketones and / or one or more nitriles, in particular fluorinated nitriles and / or nitrogen and / or carbon dioxide and / or oxygen and / or dry air and / or one or more olefins and / or one or more oxiranes, insbeson ⁇ particular fluorinated oxiranes.
  • the heat-conducting connecting piece is designed to conduct electricity and the flexible, heat-conducting connecting piece via the outer body conductive with a
  • connection element Main current path of the connection element is connectable.
  • the Au ⁇ . Congress is therefore on the one hand electrically connected to the terminal body, and a thermally conductive manner and on the other hand, electrically conductive and thermally conductive main current path ver ⁇ prevented, so that the rated current can split and the heating can be reduced at the contact points. At the same time, improved heat dissipation via the outer body is possible.
  • the outer body can be connected via a further current-conducting, flexible, heat-conducting connecting piece to a main flow path of the connecting element.
  • the further current-conducting, flexible, heat-conducting connecting piece is arranged in the region of a heat-conducting ceramic bushing, so that in addition a heat dissipation via the ceramic of
  • Figure 1 Schematic representation of an inventive
  • FIG. 2 Schematic representation of a flexible power line element
  • FIG. 3 Schematic representation of a fanned-out flexible power line element.
  • FIG. 1 shows a schematic representation of an on- terminal element 1, which has a flexible power line element 10 which can be connected to a main current path of a switchgear.
  • the flexible power line element 10 is electrically conductively connected to the connection body 40.
  • the connection body 40 has a receptacle 42, not shown, for moving contact of a vacuum interrupter.
  • the Weite- ren has the connecting element 1 through a flexible, heat- ⁇ conductive connector 30, the connecting body 40 or connected to the terminal body 40 flexible Lei ⁇ processing element 10 having an outer body 50 in a thermally conductive verbin ⁇ det.
  • connection element 1 has a heat sink 20, which is thermally conductively connected to the connection body 40 and has cooling fins 52 running parallel to the longitudinal axis of the reception opening 42. Since the receiving opening 42 is arranged on the non-recognizable in Figure 1 underside of the connection element 1, the receiving opening 42 is indicated by a dashed line.
  • FIG. 2 shows a flexible power line element which is made up of a plurality of layers 12 of an electrically conductive, flexible material.
  • the conductive, flexible material is be ⁇ vorzugt copper, aluminum, stainless steel, a conductive Art Fabric and / or combination, in particular alloy, of said conductive, flexible materials.
  • FIG. 3 shows a section of a flexible Stromlei- processing elements 10, in which the individual layers which form the fle ible ⁇ power-conducting member, are fanned out to the edge.
  • the fanning leads to improved heat dissipation, both by improved heat radiation, as well as by a heat transfer to the convection by the flexible flow line element 10 flowing past isolation gas.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermally Actuated Switches (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)

Abstract

L'invention concerne un élément de raccordement (1) pour un contact mobile d'une ampoule à vide, lequel comporte un corps de raccordement (40) et un élément de conduction de courant (10) flexible, l'élément de raccordement (1) présentant au moins un corps extérieur (50) et le corps de raccordement (40) étant relié audit au moins un corps extérieur (50) par l'intermédiaire d'une pièce de connexion (30) thermoconductrice flexible. L'invention concerne également un appareillage à isolation gazeuse doté d'un élément de raccordement de ce type.
EP18716951.1A 2017-04-24 2018-03-29 Élément de raccordement pour un contact mobile d'une ampoule à vide et appareillage à isolation gazeuse doté d'un élément de raccordement pour un contact mobile d'une ampoule à vide Active EP3616227B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017206866.3A DE102017206866A1 (de) 2017-04-24 2017-04-24 Anschlusselement für einen Bewegkontakt einer Vakuumschaltröhre und gasisolierte Schaltanlage mit einem Anschlusselement für einen Bewegkontakt einer Vakuumschaltröhre
PCT/EP2018/058093 WO2018197150A1 (fr) 2017-04-24 2018-03-29 Élément de raccordement pour un contact mobile d'une ampoule à vide et appareillage à isolation gazeuse doté d'un élément de raccordement pour un contact mobile d'une ampoule à vide

Publications (2)

Publication Number Publication Date
EP3616227A1 true EP3616227A1 (fr) 2020-03-04
EP3616227B1 EP3616227B1 (fr) 2022-05-04

Family

ID=61952659

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18716951.1A Active EP3616227B1 (fr) 2017-04-24 2018-03-29 Élément de raccordement pour un contact mobile d'une ampoule à vide et appareillage à isolation gazeuse doté d'un élément de raccordement pour un contact mobile d'une ampoule à vide

Country Status (4)

Country Link
EP (1) EP3616227B1 (fr)
CN (1) CN110537239B (fr)
DE (1) DE102017206866A1 (fr)
WO (1) WO2018197150A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112053863A (zh) * 2020-08-31 2020-12-08 法德电器有限公司 一种触头结构

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN155577B (fr) * 1981-02-12 1985-02-16 Westinghouse Electric Corp
JPH10334743A (ja) * 1997-05-29 1998-12-18 Mitsubishi Electric Corp 可撓導体
SG87815A1 (en) * 1998-03-26 2002-04-16 Mitsubishi Electric Corp Flexible conductor and switchgear made with thereof
DE102004050786C5 (de) * 2004-10-14 2008-03-06 Siemens Ag Kupplungsvorrichtung mit Kühlkörper
WO2009079871A1 (fr) * 2007-12-07 2009-07-02 Abb (China) Limited Disjoncteur avec moyens de dissipation thermique
JP2010062092A (ja) * 2008-09-05 2010-03-18 Toshiba Corp 真空遮断器
ES2440697T3 (es) * 2009-10-05 2014-01-30 Ls Industrial Systems Co., Ltd. Montaje de terminal de circuito principal para disyuntor de vacío
CN105071280A (zh) * 2015-08-21 2015-11-18 亚洲电力设备(深圳)股份有限公司 适用于环保气体绝缘型的真空开关环网柜
CN105207106A (zh) * 2015-11-03 2015-12-30 江苏尔悦电力设备有限公司 一种气体绝缘开关柜
CN205488100U (zh) * 2016-02-25 2016-08-17 旭立科技股份有限公司 固化型导热介面元件及其散热装置

Also Published As

Publication number Publication date
EP3616227B1 (fr) 2022-05-04
WO2018197150A1 (fr) 2018-11-01
DE102017206866A1 (de) 2018-10-25
CN110537239A (zh) 2019-12-03
CN110537239B (zh) 2022-04-29

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