EP0613159B1 - Dispositif d'interrupteur à coupure en charge et boîtier pour loger ce dispositif - Google Patents

Dispositif d'interrupteur à coupure en charge et boîtier pour loger ce dispositif Download PDF

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Publication number
EP0613159B1
EP0613159B1 EP94101444A EP94101444A EP0613159B1 EP 0613159 B1 EP0613159 B1 EP 0613159B1 EP 94101444 A EP94101444 A EP 94101444A EP 94101444 A EP94101444 A EP 94101444A EP 0613159 B1 EP0613159 B1 EP 0613159B1
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EP
European Patent Office
Prior art keywords
switching
load
contacts
arrangement according
housing
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.)
Expired - Lifetime
Application number
EP94101444A
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German (de)
English (en)
Other versions
EP0613159A3 (fr
EP0613159A2 (fr
Inventor
Jörg Ulrich Peterreins
Günter Trautmann
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.)
Peterreins Schalttechnik GmbH
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Peterreins Schalttechnik GmbH
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Filing date
Publication date
Application filed by Peterreins Schalttechnik GmbH filed Critical Peterreins Schalttechnik GmbH
Publication of EP0613159A2 publication Critical patent/EP0613159A2/fr
Publication of EP0613159A3 publication Critical patent/EP0613159A3/fr
Application granted granted Critical
Publication of EP0613159B1 publication Critical patent/EP0613159B1/fr
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
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/60—Angularly-movable actuating part carrying no contacts
    • H01H19/635—Contacts actuated by rectilinearly-movable member linked to operating part, e.g. by pin and slot
    • 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
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/205—Electric connections to contacts on the base
    • H01H2085/2055—Connections to bus bars in an installation with screw in type fuses or knife blade fuses
    • 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
    • H01H9/10—Adaptation for built-in fuses

Definitions

  • the invention relates to a circuit breaker arrangement and a housing for accommodating the circuit breaker arrangement, the circuit breaker arrangement having two switch strips carrying switch contacts and being able to be actuated by a switch block actuation, and this actuation of the switch strips being effected by moving them in the longitudinal direction (preamble of claim 1).
  • the load switches can be of various types, for example designed as switch disconnectors or as diverter switches. These load switches can be provided with fuses. Different designs are known for this. Versions of such switches are required to be as versatile as possible, and a large number of installation advantages are also required. As far as the known load switches can meet these requirements at all, there is the disadvantage of a large number of device versions for the different applications.
  • Both rods are moved against each other in such a way that the contacts of one rod are closed in a different order than the contacts of the other rod.
  • This is an arrangement geared towards the aforementioned special application, which is intended to cause the starting and stopping as well as the speed changes of such a motor drive.
  • the constructive structure of the subject matter of this literature reference is completely different and structurally very complicated and time-consuming compared to that of the invention.
  • the object or problem of the invention is first of all to create a greater number of possible uses and configurations of such an arrangement.
  • the two switching strips are arranged spatially separated from one another in the common housing next to one another and parallel to one another, and that one of the switching strips is formed with the switch contacts carried by it for opening and closing a set of connection contacts and the other of the switching strips with the switch contacts carried by it for opening and closing a further set of connection contacts.
  • the proposed arrangement makes it possible, for example, to accommodate different load switches in one and the same, larger housing than hitherto customary housings and to have these two switching strips switch.
  • the common housing is according to the space requirement dimension both safety edges.
  • a modular system is thus possible in which the user always has housings of the same dimensions, so that he can always configure the same dimensions in his systems for accommodating switches housed therein. So one can Arrangement according to the invention for receiving and switching load switches of different designs are used, whereby the considerable additional effort and the large inventory of the above-mentioned prior art is avoided.
  • switch disconnectors with fuses so-called fuse switch
  • diverter switches can be accommodated in one and the same housing and operated with the aforementioned, separate switching strips.
  • the arrangement of the housing and two switching strips according to the invention can be built much more compact than the housing of previously known switches with only one switching strip. If necessary, some individual parts still need to be replaced and switch contacts positioned.
  • the preferred embodiment of the invention according to claim 3 is structurally simple and robust.
  • the invention makes it possible to achieve a further goal, namely to increase the switching capacity of the load switch with a load switch of approximately the same dimensions as in previously known switches provided with only one isolating strip.
  • the features of claim 4 are used for this purpose. Instead of two switching contacts so far, there are four switching contacts, the synchronous actuation of the two switching strips ensuring simultaneous power interruptions. You also have twice the number of switching options. In this way, compared to correspondingly large, previously known switches with only two switch contacts and while maintaining the same size of the arc development, currents can be switched with approximately twice the strength. Preferably, a synchronous and opposite movement of the two switching strips is recommended for this.
  • a preferred embodiment of the geometrical arrangement of the switching strips in relation to one another is the content of claim 8.
  • the spacing gives the possibility of creating larger interiors and thus an additional space for components, for example the possibility of attaching such an arrangement to a Busbar system (see also the content of claims 19 to 21) to have a fastening screw that is directly accessible from above and also available for screw fastening to the middle power supply rail.
  • a spring switching mechanism can be accommodated approximately centrally, which is provided with a switching shaft (see claim 9) and serves to actuate the switching strips.
  • a 2x4-pole switch is thus created with a small footprint and the possibility of free space between the two safety edges.
  • the safety edges can be operated differently. It is also possible according to claim 10 to provide a separate switching operation for each safety edge.
  • Claim 19 includes an embodiment of the invention in connection with power supply rails of a busbar system.
  • One of the two switching strips can be used to switch these contacts and the other switching strip can be used to switch mating contacts.
  • the housing which is frame-like in plan view (see FIG. 1), consists of the lower housing part 1 and an upper housing part 2.
  • two switching strips 3 are mounted so as to be longitudinally displaceable in their longitudinal directions 3'-3 '. This shift takes place synchronously and in opposite directions by means of a spring switching mechanism 4 which is common here and whose structure and function will be explained in more detail below.
  • the connection contacts 5 are located in the lower housing part 1.
  • the counter-connection contacts 6 are mounted in the upper housing part 2 and lead, for example, to the network or to the consumer. Depending on their sliding position, the switching strips 3 connect with their switching contacts 7, the connection contacts 5 with the counter-connection contacts 6 or they separate such a connection.
  • the switching strip 3 consists of an insulating material
  • the carrier 10 of the switching contacts 7, on the other hand consists of a conductive material, e.g. a metal like copper.
  • the same housing 1, 2 can be used to accommodate different load switches.
  • its width B and its length L can be a standard measure for the planning of electrical systems in which such switches are to be used.
  • the two switching strips 3 are at a distance from one another which enables the connection contacts 5, 6 to be detected by means of the switching contacts 7.
  • the spring switching mechanism 4 already mentioned above has two switching arms 11 on a drive pulley 14, which in Cross-section run out approximately circular driver pin 12. These move in recesses 13 of the ends of the switching strips 3 located at the bottom in FIG. 1. In this position of the switching strips 3, the right switching strip is shifted upwards and the left switching strip is shifted downwards ("off" position of the contacts). If the selector shaft 14 of the rear derailleur 4 is rotated clockwise, after driving through a certain angle of rotation (calculated freewheel) the driver pins 12 come to rest against the surfaces 13 'of the recesses 13, whereby the springs of the rear derailleur have already been partially tensioned.
  • the spring switching mechanism After passing through a further small swivel angle of, for example, 10 °, the spring switching mechanism triggers and suddenly moves the two switching strips 3 in the arrow directions 15, 15 'in opposite directions upwards or downwards into the switching position "on", in which the switching contacts 7 of the switching strips make the contact (see Fig. 2). A current can then flow from the left connection contact 5 via the connection counter contacts 6 and the fuse 9 to the connection contact 5 shown on the right in FIG. 2. During the aforementioned swiveling movement by a small angle of 10 °, the switching strips are forcibly moved somewhat in the direction of the arrows 15, 15 'in order to forcibly separate contacts welded to one another.
  • switching strips 3 which are dark in their front edges in FIG. 1, for the sake of clarity, so that the same switching strip for the left and for the right safety edge can be used.
  • FIG. 3 The side view of FIG. 1 is shown in FIG. 3, the numbering from FIG. 1, 2 being adopted and the section line being guided through the longitudinal central axis according to the dash-dotted line III-III in FIG. 1.
  • the switching strip 3 according to FIG. 3 is, according to FIG. 1, the right half in the position in which it does not connect the contacts 6, 5 or 5 'to one another, i.e. Switch position "Off". A shift of this switching strip shown in FIG. 3 by means of the switching mechanism 4 to the right (this would correspond to the displacement of the switching strip shown on the right in FIG.
  • Fig. 4 shows the side view of Fig. 3, but with the modification that Fig. 4 shows the variant of the invention to provide the spring mechanism 4 in the middle.
  • the respective square selector shaft of the drive 14 is rotatably supported at one end in the lower housing part 1 and at the other end in the upper housing part 2.
  • spaces 16, 17 can be provided in the lower housing part, which can also be configured in a different configuration than shown in the drawings. In this way, 16 connecting contacts can be led directly down to conductor rails via the free space (see the exemplary embodiment of FIGS. 5-8 explained below). Components can also be accommodated in the free space 16. In the open spaces 17 one can have space for the collection and later discharge of ionized gases and the like and more.
  • FIGS. 5-8 shows how a load switch according to the invention can be placed directly on busbars L1, L2 and L3 and can thus be connected mechanically and electrically.
  • Each of these three busbars is electrically connected via an adaptation in the form of a claw-like screw fastening 19, 19 'for the busbar L1, L2 and L3 and associated connecting contacts 24, 25 and 26 to the respective switching strip 3 (two switching strips are also provided here).
  • one of the switching strips is used for switching these connection contacts 24, 25 and 26 of one reference system L1, L2, L3 and the other of these two switching strips for switching the counter-connection contacts 5, 6 of the other reference system.
  • connection contacts 5 The top view of FIG. 5 shows that the rails L1, L2 and L3 form the current leads, while the current leads are formed by connection contacts 5, which are shown in FIG. 5 below.
  • the neutral conductor on the other hand, has a connection contact 5 (N) for the input as well as for the output.
  • FIG - 9c schematically show how the invention can provide the user with various switchgear designs with one and the same housing and, if necessary, still exchanging individual parts such as connection contacts and removing a safety edge.
  • This is the formation of different switches, but each provided with a housing and two switching strips, the switching strips interacting with the various connection and counter-connection contacts 5, 6.
  • These contacts can be exchanged and exchanged for other contacts, which is easily possible after loosening and lifting off the upper housing part 2 from the lower housing part 1.
  • the switching strips 3 can remain in the lower housing part.
  • Fig. 9 shows a four-contact version with contacts 5, 6 and the two switching strips 3, each switching strip being represented by two parallel lines. This corresponds to the embodiment according to Figs. 1-4, i.e. a switch disconnector with fuse.
  • Fig. 9a shows a switch disconnector, which essentially corresponds to the embodiment according to Fig. 9, only that the fuse 9 is missing here and instead a contact bridge 21 is provided between the two mating contacts 6, e.g. with on-off switches.
  • FIG. 9b A further embodiment is shown in FIG. 9b, in which the connection contacts 5 leading to the consumer (only one of which is shown) can be connected via the switching strips 3 either to a network 22 or to an emergency power supply 23, for example in the case of switches.
  • the switching strips 3 are actuated synchronously and in opposite directions to one another (see the explanations for FIGS. 1-4), in the embodiment according to FIG. 9b the timing of the movement of the switching strips is different.
  • there is a power failure 9b first the switching strip 3 on the right in FIG. 9b from the "on" position to the "off” position and only then the left switching strip 3, which connects the emergency power generator, from the "off" position to the "on” position. switched. This does not run synchronously with the shifting of the right safety edge, but after that.
  • FIG. 9c shows the switching principle of the exemplary embodiment of FIGS. 5-8, the numbering of FIGS. 5-8 in FIG. 9c being adopted for better understanding.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Keying Circuit Devices (AREA)
  • Push-Button Switches (AREA)
  • Measurement Of Force In General (AREA)
  • Handcart (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Structure Of Telephone Exchanges (AREA)

Claims (23)

  1. Dispositif d'interrupteur(s) à coupure en charge et boîtier (1, 2) pour loger ce dispositif, lequel dispositif comporte deux barrettes de commutation (3) portant des contacts de commutation et peut être commandé par une commande de barrettes, et dans lequel cette commande des barrettes de commutation s'effectue par leur translation dans la direction longitudinale,
    caractérisé en ce que les deux barrettes de commutation (3) sont disposées séparées l'une de l'autre dans l'espace à l'intérieur du boîtier commun (1, 2), l'une à côté de l'autre et parallèlement entre elles, et que l'une des barrettes de commutation avec les contacts de commutation (7) portés par elle sont conçus pour ouvrir et fermer un jeu de contacts de raccordement (5, 6) et l'autre barrette de commutation (3) avec les contacts de commutation (7) portés par elle sont conçus pour ouvrir et fermer un autre jeu de contacts de raccordement (5, 6).
  2. Dispositif d'interrupteur(s) à coupure en charge selon la revendication 1, caractérisé en ce qu'un jeu de contacts de raccordement (5, 6) se trouve dans les lignes d'un système de lignes et l'autre jeu de contacts de raccordement (5, 6) se trouve dans les lignes d'un autre système de lignes.
  3. Dispositif d'interrupteur(s) à coupure en charge selon la revendication 1 ou 2, caractérisé en ce que les distances entre les zones avec lesquelles le contact est à établir sur les contacts de raccordement (5, 6) d'un interrupteur sont égales aux distances entre les contacts de commutation (7).
  4. Dispositif d'interrupteur(s) à coupure en charge selon une des revendications 1 à 3, caractérisé en ce que quatre contacts de raccordement (5, 6) sont prévus sur un interrupteur à coupure en charge, que chaque barrette de commutation présente, pour chaque phase, des contacts de commutation ou des paires de contacts de commutation (7) par lesquels elle connecte ou déconnecte deux des contacts de raccordement (5, 6) précités, et qu'une commande de commutation (4) commune est prévue pour produire la translation des deux barrettes de commutation.
  5. Dispositif d'interrupteur(s) à coupure en charge selon la revendication 4, caractérisé en ce que la translation des barrettes de commutation (3) au moyen de la commande de commutation (4) s'effectue de façon synchrone et suivant des directions contraires.
  6. Dispositif d'interrupteur(s) à coupure en charge selon une des revendications 1 à 5, caractérisé en ce que la direction longitudinale d'un fusible (9, 9'), prévu en plus sur le dispositif, est transversale à la direction longitudinale des barrettes de commutation.
  7. Dispositif d'interrupteur(s) à coupure en charge selon une des revendications 1 à 6, caractérisé en ce que les barrettes de commutation (3) sont disposées amovibles dans le boîtier (1, 2) et peuvent être retirées indépendamment l'une de l'autre du boîtier ouvert.
  8. Dispositif d'interrupteur(s) à coupure en charge selon une des revendications 1 à 7, caractérisé en ce que les barrettes de commutation (3) sont disposées à distance l'une de l'autre.
  9. Dispositif d'interrupteur(s) à coupure en charge selon la revendication 8, caractérisé en ce qu'un mécanisme de commande à ressort (4), possédant une commande de commutation (14) à axe carré, est prévu au milieu dans l'intervalle entre les deux barrettes de commutation (3).
  10. Dispositif d'interrupteur(s) à coupure en charge selon une des revendications 1 à 4 et 6 à 9, caractérisé en ce qu'une commande de commutation séparée est prévue pour chaque barrette de commutation (3).
  11. Dispositif d'interrupteur(s) à coupure en charge selon une des revendications 1 à 9, caractérisé par une commande de commutation sous la forme d'un mécanisme de commande à ressort (4) possédant deux bras de manoeuvre (11) qui se terminent par des épaississements d'entraînement (12) engagés chacun dans un évidement (13) de la barrette de commutation (3) concernée.
  12. Dispositif d'interrupteur(s) à coupure en charge selon une des revendications 1 à 11, caractérisé en ce que la commande de commutation présente une course de commutation précédant dans le temps, quant à sa fonction, l'entrée en action effective de la commutation par ressort et imposant une translation forcée sur une distance relativement courte aux barrettes de commutation.
  13. Dispositif d'interrupteur(s) à coupure en charge selon une des revendications 1 à 4 et 6 à 12, caractérisé par une commande de commutation (4) et une disposition associée de barrettes de commutation (3) telles qu'une des barrettes est amenée d'abord par translation à la position requise et que seulement après la fin de cette translation, l'autre des deux barrettes de commutation est amenée à sa nouvelle position.
  14. Dispositif d'interrupteur(s) à coupure en charge selon une des revendications 1 à 13, caractérisé en ce que les deux barrettes de commutation (3) sont identiques et réversibles, mais disposées symétriquement l'une à côté de l'autre à l'intérieur du dispositif de commutation.
  15. Dispositif d'interrupteur(s) à coupure en charge selon une des revendications 1 à 14, caractérisé en ce que le boîtier est partagé en une partie supérieure (2) et une partie inférieure (1), les barrettes de commutation (3) et les contacts de raccordement (5) se trouvant sur la partie inférieure (1) du boîtier et les contacts de raccordement antagonistes (6) et, éventuellement, des fusibles, se trouvant sur la partie supérieure (2) du boîtier.
  16. Dispositif d'interrupteur(s) à coupure en charge selon la revendication 15, caractérisé en ce que les contacts de raccordement (5) sont sortis du boîtier au joint entre la partie supérieure (2) et la partie inférieure (1) du boîtier et sont maintenus entre les deux parties du boîtier.
  17. Dispositif d'interrupteur(s) à coupure en charge selon la revendication 15 ou 16, caractérisé en ce que les contacts de raccordement antagonistes (6) sont sortis vers le haut de la partie supérieure du boîtier.
  18. Dispositif d'interrupteur(s) à coupure en charge selon une des revendications 15 à 17, caractérisé en ce que les contacts de raccordement (5, 6) sont disposés détachables et amovibles dans ou entre les parties (1, 2) du boîtier.
  19. Dispositif d'interrupteur(s) à coupure en charge selon une des revendications 1 à 14, caractérisé en ce que le boîtier (1, 2) est pourvu de contacts de raccordement (24, 25, 26) sortis vers le bas et pouvant être reliés mécaniquement et électriquement à des barres d'alimentation (L1, L2, L3).
  20. Dispositif d'interrupteur(s) à coupure en charge selon la revendication 19, caractérisé en ce que la liaison entre les contacts de raccordement (24, 25, 26) et les barres d'alimentation (L1, L2, L3) s'effectue par des griffes d'adaptation (19').
  21. Dispositif d'interrupteur(s) à coupure en charge selon la revendication 19 ou 20, caractérisé en ce que des vis (19) de fixation de contact des barres d'alimentation (L1, L2, L3) sont positionnées à l'extérieur du boîtier ou au-dessous d'une percée du boîtier, de manière qu'elles soient accessibles de l'extérieur du boîtier en vue de leur manoeuvre.
  22. Dispositif d'interrupteur(s) à coupure en charge selon une des revendications 1 à 21, caractérisé par un ou plusieurs espaces libres (16, 17) dans la partie inférieure (1) du boîtier.
  23. Dispositif d'interrupteur(s) à coupure en charge selon une des revendications 1 à 22, caractérisé en ce que différents interrupteurs à coupure en charge sont logés dans le boîtier (1, 2) et sont manoeuvrables par les deux barrettes de commutation (3).
EP94101444A 1993-02-25 1994-02-01 Dispositif d'interrupteur à coupure en charge et boîtier pour loger ce dispositif Expired - Lifetime EP0613159B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4305746A DE4305746C2 (de) 1993-02-25 1993-02-25 Lastschalteranordnung und Gehäuse zur Aufnahme dieser Lastschalteranordnung
DE4305746 1993-02-25

Publications (3)

Publication Number Publication Date
EP0613159A2 EP0613159A2 (fr) 1994-08-31
EP0613159A3 EP0613159A3 (fr) 1995-02-01
EP0613159B1 true EP0613159B1 (fr) 1997-10-29

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EP94101444A Expired - Lifetime EP0613159B1 (fr) 1993-02-25 1994-02-01 Dispositif d'interrupteur à coupure en charge et boîtier pour loger ce dispositif

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Country Link
EP (1) EP0613159B1 (fr)
AT (1) ATE159835T1 (fr)
DE (2) DE4305746C2 (fr)
DK (1) DK0613159T3 (fr)
ES (1) ES2111191T3 (fr)
FI (1) FI940863A (fr)

Cited By (1)

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US11239692B2 (en) 2018-07-25 2022-02-01 Wen-Feng Lu Automatic transfer switch utilizing back-to-back mounted molded case circuit breakers or molded case switches to connect a load to a normal power source and a standby power source

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Publication number Priority date Publication date Assignee Title
US11239692B2 (en) 2018-07-25 2022-02-01 Wen-Feng Lu Automatic transfer switch utilizing back-to-back mounted molded case circuit breakers or molded case switches to connect a load to a normal power source and a standby power source

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Publication number Publication date
FI940863A (fi) 1994-08-26
DE59404447D1 (de) 1997-12-04
ES2111191T3 (es) 1998-03-01
FI940863A0 (fi) 1994-02-24
DK0613159T3 (da) 1998-07-20
ATE159835T1 (de) 1997-11-15
EP0613159A3 (fr) 1995-02-01
DE4305746A1 (de) 1994-09-01
DE4305746C2 (de) 1996-05-23
EP0613159A2 (fr) 1994-08-31

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