WO2009024178A1 - Système à contact de rupture - Google Patents

Système à contact de rupture Download PDF

Info

Publication number
WO2009024178A1
WO2009024178A1 PCT/EP2007/007435 EP2007007435W WO2009024178A1 WO 2009024178 A1 WO2009024178 A1 WO 2009024178A1 EP 2007007435 W EP2007007435 W EP 2007007435W WO 2009024178 A1 WO2009024178 A1 WO 2009024178A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
contact system
slats
lamellae
blocks
Prior art date
Application number
PCT/EP2007/007435
Other languages
German (de)
English (en)
Inventor
Erhard Deylitz
Stefan Losch
Original Assignee
Siemens Aktiengesellschaft
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 Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to PCT/EP2007/007435 priority Critical patent/WO2009024178A1/fr
Publication of WO2009024178A1 publication Critical patent/WO2009024178A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00—Switchgear having carriage withdrawable for isolation
    • H02B11/02—Details
    • H02B11/04—Isolating-contacts, e.g. mountings or shieldings

Definitions

  • the invention relates to an isolating contact system for the electrical connection of busbars of at least two electrical devices, wherein the isolating contact system comprises a plurality of juxtaposed slats for electrically bridging a distance between the busbars. Furthermore, the invention relates to a method for mounting the TrennkeySystems invention.
  • An isolating contact system is used to connect busbars of a switching device, such as a circuit breaker, and a device to be switched.
  • a switching device such as a circuit breaker
  • a TrennnapsSystem for this purpose slats on both busbars must contact safely.
  • the minimization of this force to an acceptable level can usually be achieved by increasing the number of contacting lamellae.
  • US 4,891,618 shows slat-like contact arms of a circuit breaker arranged in blocks.
  • the lamellar contact arms are pivotally arranged in blocks in a housing and serve to close and open a circuit upon actuation of the handle of the circuit breaker.
  • the invention is therefore an object of the invention to provide an isolating contact system available, which allows cost-effective and variable according to various requirements a reliable busbar connection.
  • a disconnect contact system for the electrical connection of busbars of at least two electrical devices, wherein the disconnect contact system has a plurality of slats arranged in series next to one another for electrically bridging a distance between the busbars.
  • the lamellae are arranged in separate housings in blocks with at least two fins per block captive. It is the Invention to be understood such that a disconnect contact system can be realized, which has only a housing with lamellae inserted therein. In this embodiment, this housing is separable from the frame of the release contact system such that the fins fixed therein are still stored captive in the housing.
  • the clear width of the opening in the housing, in which the lamellae are used is dimensioned such that the first and the sixth of the arranged in series lamella rests on the housing edge or has a minimum distance to this.
  • the number of lamellae should preferably be straight in order to allow a pairwise arrangement. In particular embodiments with four or six fins per block have proven to be advantageous in experiments.
  • the material of the housing is preferably aluminum or an aluminum alloy.
  • the production of the housing offers in the die-casting process. This has the advantage of a small necessary post-processing of the cast workpiece.
  • other materials can be used. It is important that a light and a good thermal conductivity exhibiting material is used for the production of the housing.
  • the housing for receiving the slats regardless of the size of the devices or circuit breakers to be coupled can always have the same Baugr ⁇ ße.
  • An adaptation to the strength of the current to be conducted or to further performance parameters of the coupled devices can be achieved realize the variation of the number of housing arranged in series one behind the other.
  • an adaptation to different lengths busbars can be achieved.
  • the slats By receiving the slats in individual cases, these can be combined in a simple manner into longer rows of blocks and thus also to long rows of slats. As a result, a simplification of the assembly of the slats is achieved in rows. Furthermore, the assembly of the individual slats in the blocks is easier to carry out, since the slats outside the frame of TrennessorSystems can be installed to blocks in housings. Consequently, the frame of the isolating contact system receiving the housing is also made structurally simpler, which enables the use of simpler tools in the production of the frame and lower production times and lower manufacturing costs.
  • the lamellae are arranged in two rows, each row comprises at least one block and each lamella of the first row of a lamella of the second row is assigned opposite and spaced such that between them a busbar is clamped.
  • a busbar is clamped.
  • Such a row can, for example, have six to ten lamella blocks, which in each case because individual housings are mounted have.
  • the release contact system according to the invention is part of a slide-in frame. That is, the disconnect contact system is located on the rear wall of a drawer frame for receiving, for example, a circuit breaker.
  • an isolating contact system for the electrical connection of busbars of at least two electrical devices, the disconnect contact system having a plurality of lamellae arranged in series next to one another for electrically bridging a distance between the busbars.
  • the lamellae are arranged captive in blocks which can be separated from one another in blocks with at least two lamellae per block, the release contact system according to the invention being part of a slide-in frame.
  • the circuit breaker of the circuit breaker is contacted by one side of the laminations.
  • the other sides of the slats contact the busbar of the device to be switched.
  • compression springs are arranged in the housing in such a way that a compression spring acts on two lamellae, at least in the state that contacts the busbar. This means that in operating condition, when the lamellae press against the busbars, the compression springs on the Pressed in the housing lamellae in the direction of the busbars.
  • the housings and the compression springs can be configured in such a way that in the state when the lamellae are not in contact with a busbar, the lamellae are also subjected to spring force or the lamellae are mounted at a distance from the compression springs or are arranged loosely against them.
  • a spacer is arranged on at least one housing aligned in series with the lamellae.
  • spacers may be located between the fin blocks or between the housings. These spacers allow a precise installation of several housings in Trennkon- clock system racks with a certain length. Furthermore, the arrangement of spacers makes it possible to realize the contact of very long busbars over their entire length at regular intervals. This embodiment is particularly applicable when, despite long provided busbars only smaller contact surfaces for power line are necessary. The arrangement of spacers thus allows a cost-effective embodiment of the isolating contact system due to reduced number of fins and also a favorable heat dissipation between the finned blocks.
  • the TrennessorSystem comprises a plurality of juxtaposed in series lamellae for electrically bridging a distance between the busbars.
  • the lamellae are arranged captive in blocks which can be separated from each other in blocks with at least two lamellae per block, a spacer being arranged on at least one housing in series with the lamellas.
  • at least one of the spacers used is a housing in which no fins are received. This embodiment has the advantage of simple and easily automatable assembly of the housing and the spacers due to the uniform contours and dimensions. Furthermore, this can increase the number of cases to be used, which ultimately has a minimizing cost on the entire production process.
  • the housings arranged in series have the same design and comprise at least one mold element which, when the housings are arranged in rows, results in a straight contour over the entire length of the housings arranged next to one another.
  • This continuous contour allows easy attachment of the housing to each other and in the frame of the release contact system.
  • This form element may be, for example, a longitudinal bore in the housing, which adjoins at its longitudinal bores in coupling to other housing, so that the interconnected holes form a continuous Hohlzylin-, in the example, a screw or a tie rod for fixing the individual housing together and can be used to fix the resulting housing block to a frame of TrennnapsSystems.
  • the housings each have at least one projection on one side and at least one recess on the opposite side, which are designed to be complementary to one another.
  • the projection and recess are arranged on the housing such that they interact in the intended positions of the housing in a row arrangement with the recesses and projections of the respective adjacent housing.
  • the projections and recesses may have additional form elements which cause a clamping or locking of the projections in the recesses.
  • the isolating contact system consists exclusively of laminations, compression springs, spacers, side plates, spacers and tie rods arranged in housings.
  • the laminations are used in blocks with at least two fins per block in a captive housing and then the housing to a series of fins one behind the other in a frame of the isolating contact system to be ordered.
  • FIG. 1 shows an inventive disconnect contact system in a perspective view.
  • FIG. 2 is an exploded view of the disconnect contact system according to the invention.
  • FIG. 3 shows a housing with slats to be inserted therein in an exploded view
  • Fig. 4 is a schematic representation of the invention
  • Disconnect system in view from the side with six blocks;
  • Figure 5 is a schematic representation of the release contact system according to the invention with ten blocks in side view.
  • Fig. 6 is a schematic representation of the release contact system according to the invention with six blocks and four spacers in side view.
  • FIG. 1 shows a perspective view of an isolating contact system according to the invention, in which six housings 10 are arranged above one another and forming two rows, in which laminations 20 combined into blocks 21 are mounted.
  • the rows laterally delimiting spacers 40 are arranged. Notwithstanding the embodiment shown in Figure 1 with arranged at the ends of the rows spacers 40, these spacers 40 could also be arranged between the individual housings 10.
  • the isolating contact system laterally includes this two side plates 53.
  • the side plates 53 are connected to spacers 54 together.
  • the housings 10 and the spacers 40 have longitudinal bores 11 (not shown in FIG. 1) which, when the housings 10 and spacers 40 are arranged in series, form hollow cylinders 51 together.
  • FIG. 2 shows an exploded view of the individual parts of the release contact system according to the invention.
  • the separable housing 10 In the housings 10 longitudinal bores 11 are attached, which form a hollow cylinder when lining up the housing 10. Similar longitudinal bores are also present in the spacers 40.
  • FIG. 2 it is shown in FIG. 2 that the housings 10 with lamellae 20 contained therein can be separated from one another without the risk of the lamellas 20 falling out of the housings 10 during separation.
  • FIG. 3 shows an exploded view substantially the structure of a housing 10 used in the release contact system according to the invention.
  • the housing 10 has on its rear wall three compression spring receptacles 12 for receiving the compression springs 30.
  • the compression springs 30 are first inserted into the compression spring receivers 12 and then the slats 20 inserted into the housing 10 and locked there.
  • There are usually provided in each housing 10 three compression springs 30 for pressurizing force of six blades 20. That is, a compression spring 30 exerts its compressive force on two blades 20.
  • FIG. 4 shows, in a diagrammatic representation, a view of the side of a possible construction of a disconnect contact system according to the invention.
  • This release contact system essentially comprises two side plates 53, between which six blocks 21 of lamellae 20 are arranged in two rows. That is, in each row, three blocks 21 are arranged.
  • the side plates 53 are in this embodiment directly to the rows of enclosing housings 10 at.
  • Figure 5 shows a similar embodiment, in which instead of six blocks 21, a total of ten blocks 21 are arranged in two rows.
  • FIG. 6 shows, in a diagrammatic view from the side, a similar construction of a disconnect contact system according to the invention, as already shown in FIG.
  • the release contact system has spacers 40 at the ends of the rows of blocks 21.
  • the spacers 40 can also be arranged between the blocks 21 or the housings 10. With such a configuration, it would be possible to realize a regular distribution of lamella blocks 21 over a longer busbar with a smaller contact area required.
  • the use of spacers 40 between housings 10 or at the ends of the rows of housings 10 enables improved heat dissipation of the heat generated at the contact points.

Abstract

L'invention concerne un système à contact de rupture pour la connexion électrique de rails conducteurs d'au moins deux appareils électriques, ledit système à contact de rupture présentant une pluralité de lamelles disposées en série les unes à côté des autres, en vue d'effectuer un pontage électrique d'une distance entre lesdits rails conducteurs. L'invention est caractérisée en ce que les lamelles (20) sont disposées dans des boîtiers (10) séparables les uns des autres, dans des blocs (21), à raison d'au moins deux lamelles montées imperdables dans chaque bloc (21). L'invention concerne en outre un procédé de montage d'un système à contact de rupture.
PCT/EP2007/007435 2007-08-21 2007-08-21 Système à contact de rupture WO2009024178A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2007/007435 WO2009024178A1 (fr) 2007-08-21 2007-08-21 Système à contact de rupture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2007/007435 WO2009024178A1 (fr) 2007-08-21 2007-08-21 Système à contact de rupture

Publications (1)

Publication Number Publication Date
WO2009024178A1 true WO2009024178A1 (fr) 2009-02-26

Family

ID=39469427

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/007435 WO2009024178A1 (fr) 2007-08-21 2007-08-21 Système à contact de rupture

Country Status (1)

Country Link
WO (1) WO2009024178A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020211508A1 (de) 2020-09-14 2022-03-17 Siemens Aktiengesellschaft Kopplungsvorrichtung, Schaltgerät und Montageverfahren

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5807145A (en) * 1994-02-18 1998-09-15 Siemens Aktiengesellschaft Break-contact block with relatively movable bridge-like contacts
DE19833781A1 (de) * 1997-07-29 1999-02-04 Whitaker Corp Elektrischer Kontakt und elektrische Verbinderanordnung
US6139347A (en) * 1997-12-18 2000-10-31 Schneider Electric Sa Fixing terminal and an electrical connection module for a plug-in circuit breaker
EP1587173A1 (fr) * 2004-04-16 2005-10-19 Magcode AG Dispositif pour la connexion électrique d'un dispositif d'alimentation électrique à un dispositif de consommation électrique
WO2006092381A1 (fr) * 2005-03-03 2006-09-08 Siemens Aktiengesellschaft Tiroir enfichable destine a une installation de commutation basse tension

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5807145A (en) * 1994-02-18 1998-09-15 Siemens Aktiengesellschaft Break-contact block with relatively movable bridge-like contacts
DE19833781A1 (de) * 1997-07-29 1999-02-04 Whitaker Corp Elektrischer Kontakt und elektrische Verbinderanordnung
US6139347A (en) * 1997-12-18 2000-10-31 Schneider Electric Sa Fixing terminal and an electrical connection module for a plug-in circuit breaker
EP1587173A1 (fr) * 2004-04-16 2005-10-19 Magcode AG Dispositif pour la connexion électrique d'un dispositif d'alimentation électrique à un dispositif de consommation électrique
WO2006092381A1 (fr) * 2005-03-03 2006-09-08 Siemens Aktiengesellschaft Tiroir enfichable destine a une installation de commutation basse tension

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020211508A1 (de) 2020-09-14 2022-03-17 Siemens Aktiengesellschaft Kopplungsvorrichtung, Schaltgerät und Montageverfahren

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