EP2016602A1 - Disjonteur de puissance, en particulier disjoncteur de courant à haute intensité - Google Patents

Disjonteur de puissance, en particulier disjoncteur de courant à haute intensité

Info

Publication number
EP2016602A1
EP2016602A1 EP06753170A EP06753170A EP2016602A1 EP 2016602 A1 EP2016602 A1 EP 2016602A1 EP 06753170 A EP06753170 A EP 06753170A EP 06753170 A EP06753170 A EP 06753170A EP 2016602 A1 EP2016602 A1 EP 2016602A1
Authority
EP
European Patent Office
Prior art keywords
pole
current
circuit breaker
connection means
conductor rail
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
EP06753170A
Other languages
German (de)
English (en)
Other versions
EP2016602B1 (fr
Inventor
Ralf-Peter Kurth
Clemens RÜTHNICK
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
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 EP2016602A1 publication Critical patent/EP2016602A1/fr
Application granted granted Critical
Publication of EP2016602B1 publication Critical patent/EP2016602B1/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
    • 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
    • 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
    • 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
    • H01H33/02—Details
    • H01H33/025—Terminal arrangements

Definitions

  • the invention relates to a circuit breaker, in particular a high-current switch having at least one pole unit with a pole head and a Pollust and a contact system arranged therebetween for switching a via at least one first busbar of Pollusts and at least one second.
  • Busbars of the pole head guided current, the pole head and the Pollust each have connection means.
  • Such a circuit breaker is known, for example, from EP 1 326 262 A1.
  • the power switch disclosed therein has a pole fitting as a pole unit with a pole head and a pole carrier and an interrupter unit as a contact system.
  • Both the pole head and the pole carrier of this circuit breaker have connection means, wherein the connection means are made of aluminum in one piece and have the functions power line to the contact system, cooling and mechanical fastening.
  • Object of the present invention is to develop a power switch of the type mentioned, which has a cost-effective design on improved properties in terms of current carrying capacity and thermal conductivity.
  • connection means are designed solely to connect the at least one first busbar and in each case the at least one second busbar to the contact system are formed by current paths,
  • At least one heat sink outside the current paths to the first and the second bus bar is heat-conductively mounted, and - Attachment elements of the pole unit outside the current paths are attached to the bus bars.
  • both the pole head and the carrier of the circuit breaker are modularly constructed according to the invention, whereby in each case different materials can be selected for the connection means as well as for the heat sinks and the fastening elements, whereby the current carrying capacity of the Can be improved circuit breaker, because the connection means a material with the lowest possible resistance can be selected, whereas for heat sinks and fasteners materials with a good thermal conductivity or a good mechanical strength can be selected.
  • both the pole head and the pole carrier are advantageously improved in terms of the current carrying capacity and the heat dissipation in a simple manner and at the same time has a cost-effective design.
  • the heat sinks advantageously have cooling ribs which are aligned in dependence on the installation position of the circuit breaker according to the invention to enable good convection. Accordingly, various embodiments of the heat sink are provided.
  • the bus bars and the connection means are formed from copper.
  • Copper is a material with a low resistance and therefore particularly suitable for current-carrying parts.
  • the heat sinks may consist of such materials which have a good thermal conductivity, for example of copper.
  • twistedg the heat sink are designed as aluminum castings. Such aluminum castings advantageously have a good thermal conductivity and at the same time are inexpensive.
  • the fastening means made of aluminum.
  • Aluminum has sufficient mechanical strength and is inexpensive.
  • FIG. 1 shows a circuit breaker 1 with three pole units, of which only one pole unit 2 is shown in the cross-sectional view.
  • the pole unit 2 comprises a pole head 3 and a pole carrier 4 and a vacuum interrupter 5 arranged between the pole head 3 and the pole carrier 4 as a contact system 5.
  • the vacuum interrupter 5 has a fixed contact 6 and a moving contact 7.
  • the moving contact 7 is connected via a drive rod 8 to a drive unit 9 of the circuit breaker, the drive unit 9 is designed to initiate a drive movement via the drive rod 8 in the moving contact 7 of the vacuum interrupter 5 for opening or closing the contact system 5.
  • the moving contact 7 connected via a connection means 10 with a first bus bar 11 of the pole carrier 4 electrically conductive.
  • the fixed contact 6 of the Vakuumsehaltrschreibrschreibe 5 is about a second connection means 12 electrically conductively connected to a second busbar 13 of the pole head 3.
  • the pole head 3 has a heat sink 14 and the pole carrier 4 via a heat sink 15.
  • the heat sinks 14 and 15 are formed as cast aluminum parts and have cooling fins which, depending on the mounting position of the circuit breaker, either parallel or perpendicular to the respective bus bar 11 or 13 can be aligned.
  • fasteners 16 are provided on the pole head, which fasteners 16 are formed of aluminum and bolted to a support 17, which in turn is bolted to a retaining wall 18 of the circuit breaker.
  • the pole carrier 4 also has fastening elements 19, which are formed from aluminum and screwed to a support 20, which is also screwed to the retaining wall 18 of the circuit breaker.
  • the fastening elements 16, 19 are respectively screwed by means of screw 21, 21 'with the respective supports 17, 20.
  • the busbars 11 and 13 of the circuit breaker 1 are formed as double rails, whereby a high current carrying capacity is ensured.
  • mechanical stabilizing means are provided, of which, for the sake of clarity, the spacers 22 and 23 are shown as mechanical stabilizing means only in the region of the double power rail 13.
  • the fastening elements 16 of the Pollusts 3 and 19 of the pole head 4 serve on the one hand the attachment of the pole unit on the support means to the circuit breaker 1 and on the other hand as fastening elements for the busbars 11 and 13 and the heat sink 14 and 15.
  • the busbars 11 and 13 and the heat sinks 15 and 14 are screwed to each other and / or to the fastening elements 19 and 16, whereby the mechanical stability of the entire pole unit 2 is ensured.
  • An insulating stabilizer bar 24 is bolted to the first and to the second busbar for further stabilization of the pole unit.
  • the current paths forming parts of the pole unit 2 include the busbar 13, the connection means 12, the fixed contact S 1, the moving contact 7, a figuratively not shown flexible conductor for connecting the moving contact 7 with the connection means 10 and the busbar 11 and are formed of copper.
  • the heat sinks 14 and 15 are designed as aluminum castings.
  • the mechanical fastening elements 16 and 19 and the stabilizing means 22 and 23 are made of aluminum. Both the pole head 3 and the pole carrier 4 thus have a total of a modular construction, with a material suitable for the required properties choice of connection means, heat sink and fastening elements in a simple manner possible.

Landscapes

  • Installation Of Bus-Bars (AREA)
  • Breakers (AREA)

Abstract

Disjoncteur de puissance, en particulier disjoncteur de courant à haute intensité, qui comporte au moins une unité polaire pourvue d'une borne polaire et d'un support de pôle, et un système de contact placé entre les deux pour commuter un courant guidé via au moins une première barre conductrice du support de pôle et au moins une deuxième barre conductrice de la borne polaire, la borne polaire et le support de pôle comportant tous deux des moyens de connexion. L'objet de la présente invention est la mise au point d'un disjoncteur de puissance possédant, pour une structure peu onéreuse, des propriétés améliorées d'intensité maximale admissible et de conductibilité thermique. A cet effet, les moyens de connexion sont conçus uniquement pour la connexion de la première barre conductrice au moins et de la deuxième barre conductrice au moins avec le système de contact, formant ainsi un trajet de courant, au moins un corps de refroidissement est installé de manière à conduire la chaleur sur les première et deuxième barres conductrices, en dehors des trajets de courant, et des éléments de fixation de l'unité polaire sont installés sur les barres conductrices en dehors des trajets de courant.
EP06753170.7A 2006-05-10 2006-05-10 Disjonteur de puissance, en particulier disjoncteur de courant à haute intensité Active EP2016602B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DE2006/000851 WO2007128250A1 (fr) 2006-05-10 2006-05-10 Disjonteur de puissance, en particulier disjoncteur de courant à haute intensité

Publications (2)

Publication Number Publication Date
EP2016602A1 true EP2016602A1 (fr) 2009-01-21
EP2016602B1 EP2016602B1 (fr) 2018-06-27

Family

ID=37566368

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06753170.7A Active EP2016602B1 (fr) 2006-05-10 2006-05-10 Disjonteur de puissance, en particulier disjoncteur de courant à haute intensité

Country Status (5)

Country Link
EP (1) EP2016602B1 (fr)
CN (1) CN101438361B (fr)
DE (1) DE112006003951A5 (fr)
TR (1) TR201812630T4 (fr)
WO (1) WO2007128250A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012126779A1 (fr) 2011-03-21 2012-09-27 Siemens Aktiengesellschaft Pôle de commutateur pour un appareil de commutation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3829647A (en) * 1971-06-04 1974-08-13 Westinghouse Electric Corp Heat conducting fins for bus bars and other electrical conductors
US4005297A (en) 1972-10-18 1977-01-25 Westinghouse Electric Corporation Vacuum-type circuit interrupters having heat-dissipating devices associated with the contact structures thereof
US5753875A (en) * 1996-10-15 1998-05-19 Eaton Corporation Heat sink for contact stems of a vacuum interrupter and a vacuum interrupter therewith
CN1160751C (zh) * 1998-01-27 2004-08-04 Lg产电株式会社 真空电路断路器的端子结构
DE19850206A1 (de) * 1998-10-23 2000-04-27 Siemens Ag Schaltanlagen mit Schaltgeräten, insbesondere mit Vakuumschützen
EP1326262A1 (fr) 2001-12-21 2003-07-09 Siemens Aktiengesellschaft Armature pour pole électrique
JP2005166449A (ja) * 2003-12-02 2005-06-23 Mitsubishi Electric Corp 真空開閉器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007128250A1 *

Also Published As

Publication number Publication date
EP2016602B1 (fr) 2018-06-27
WO2007128250A1 (fr) 2007-11-15
TR201812630T4 (tr) 2018-09-21
CN101438361B (zh) 2011-10-05
CN101438361A (zh) 2009-05-20
DE112006003951A5 (de) 2009-04-09

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