EP3828908B1 - Réseau de commutateur rotatif modulaire - Google Patents

Réseau de commutateur rotatif modulaire Download PDF

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Publication number
EP3828908B1
EP3828908B1 EP19383060.1A EP19383060A EP3828908B1 EP 3828908 B1 EP3828908 B1 EP 3828908B1 EP 19383060 A EP19383060 A EP 19383060A EP 3828908 B1 EP3828908 B1 EP 3828908B1
Authority
EP
European Patent Office
Prior art keywords
switched
interlocking
rotatable
switch array
switching
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.)
Active
Application number
EP19383060.1A
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German (de)
English (en)
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EP3828908A1 (fr
Inventor
Jose Oscar Andaluz Sorlí
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.)
Gorlan Team SL
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Gorlan Team SL
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Publication date
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Priority to EP19383060.1A priority Critical patent/EP3828908B1/fr
Publication of EP3828908A1 publication Critical patent/EP3828908A1/fr
Application granted granted Critical
Publication of EP3828908B1 publication Critical patent/EP3828908B1/fr
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Classifications

    • 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
    • H01H1/365—Bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/1009—Interconnected mechanisms
    • H01H71/1027—Interconnected mechanisms comprising a bidirectional connecting member actuated by the opening movement of one pole to trip a neighbour pole
    • 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
    • H01H9/102—Fuses mounted on or constituting the movable contact parts of the switch
    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
    • 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
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H01H1/2041—Rotating bridge
    • 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
    • H01H1/42—Knife-and-clip contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/1009—Interconnected mechanisms
    • H01H2071/1036—Interconnected mechanisms having provisions for four or more poles

Definitions

  • the present invention refers in general to the construction of modular or multi-pole switching devices, preferably intended for low-voltage distributed alternating current electrical systems with neutral pole.
  • the most widely used protection system is the earth or ground connection system.
  • the earth connection mode is selected.
  • the earths of the installation which are always connected to the earth of the building in which they are installed, either directly with the distributed earth cable or by means of the neutral conductor.
  • PEN This single conductor is called PEN and has the dual function of: A) of neutral where it is used as a current return for single-phase loads and also B) as a protective earth conductor.
  • the PEN conductor is associated, either globally or in sections, with a plate-type contact that is manually unscrewed and screwed independently of the general switch or the associated section switch that is operated to electrically isolate the section for checking purposes.
  • fuses and circuit breakers are usually used as protection devices to isolate them from voltage for manipulation.
  • Some equipment on the market integrate in a single product the fuse, switch, and module for fixed dis-connectable neutral.
  • fuses not only as a protection element against over-currents, but also for switching purposes by connecting or disconnecting a fuse form a circuit, so that, an electrical circuit is closed or interrupted through the fuse.
  • Switches using a fuse as rotary contact of the switch are also known from the following patent publications: GB-188.820 , US-3.406.365 , GB-332.414 , WO 01/08100 , and DE-1788050 .
  • the present invention is defined in the attached independent claim, and satisfactorily solves the drawbacks of the prior art, by providing a modular rotary switch array that integrates security means to assure that neutral pole is always connected while the main phase or pole switches are switched on, in order to protect human operators during maintenance and inspection task of the switching device.
  • Each switching module comprises a casing, fixed contacts and a rotatable contact member enclosed inside the casing, so that the rotatable contact member is rotatable about the axis (X) between two end positions, a switched-on position in which it is in contact with the fixed contacts to enable current circulation, and a switched-off position in which current circulation through the fixed contacts is prevented.
  • the rotatable contact member includes cartridge of isolating material and a fuse or a metallic bar assembled with the cartridge, so that when a fuse is coupled with the fuse cartridge, the fuse and the fuse cartridge are jointly rotatable.
  • the fuse cartridge is rotatable between a switch module closed position in which the fuse or metallic bar would be connected with the fixed contacts to enable current circulation through the fuse or bar and the fixed contacts when a fuse or is received in the fuse cartridge, and a switch module open position in which the fuse or bar is not in contact with fixed contacts, that is, the fuse or is separated or distanced (electrically isolated) from the fixed contacts, so that current circulation through the fixed contacts is impeded.
  • the switch array further comprises first and second interlocking pieces, in a way that the first interlocking piece is coupled, either attached or integrally formed, with the rotatable contact member of the first switching module, and the second interlocking piece is coupled (either attached or integrally formed) with the rotatable contact member of the second module, so that first and second interlocking pieces are jointly rotatable respectively with the first and movable contacts members of the first and second switching modules.
  • Each interlocking piece has a peg placed in a way that both pegs are rotatable on the same plane (Y) around the axis (X), wherein the axis (X) is orthogonal to that plane.
  • the two interlocking pieces are configured and located, in a way that they are rotatable between two end locking positions (relative angular positions) to each other in which their pegs are in contact and one of the pegs blocks the rotation of the other peg. Between the two end interlocking positions, the interlocking pieces can be placed at release positions in which the pegs are separated and rotation of both interlocking pieces is allowed.
  • the two interlocking pieces are configured and located in a way that, when the first switch module is in its switched-off position and the second switching module is in its switched-on position, the first and second locking pieces are in a release position and both switching modules are allowed to rotate.
  • the first and second switching modules are configured in a way that, the rotatable contact members of the first and second switching modules are rotatable in the same angular direction when they are moved from the switched-on position to the switched-off position and vice versa.
  • the pegs of the first and second interlocking pieces are located in a way that the peg of the first interlocking piece is placed in an advanced position relative to the peg of the second interlocking piece, in the angular movement bringing the first and second switching modules from their switched-on position to their switched-off position.
  • the pegs can have several configurations, but circular, squared, or quarter-circular sector configurations are preferred.
  • the two interlocking pieces are identical, that is, they are a copy of each other, so that the two pegs have the same size and shape.
  • the fuse is rotatable about a rotation axis (X) that runs transversally across the fuse body in-between the two connection terminals, therefore, the two terminals move on the same plane when the fuse is rotated above the axis (X).
  • the fuse cartridge and the fuse can rotate about the rotation axis (X) an angle ( ⁇ ) within the range 45° - 90° between the closed and open positions.
  • the angle ( ⁇ ) is 90°.
  • the switch array (1) further includes an actuation mechanism (2) also co-axially mounted along axis (X), and mechanically coupled with the switching devices (1a, 1b, 1c) in a known manner, so by actuating the actuation mechanism (2), three switching devices (1a, 1b, 1c) simultaneously rotate between their switched-on and switched-off positions and vice versa.
  • an actuation mechanism (2) also co-axially mounted along axis (X), and mechanically coupled with the switching devices (1a, 1b, 1c) in a known manner, so by actuating the actuation mechanism (2), three switching devices (1a, 1b, 1c) simultaneously rotate between their switched-on and switched-off positions and vice versa.
  • Rotation of the fourth switching device (1d) is independent from the rotation of the other three switching devices (1a, 1b, 1c), preferably the fourth switching device (1d) is manually rotatable.
  • Position A shown in Figure 2A all switching modules are switched-on
  • Position B of Figure 2B the three switching modules (1a, 1b, 1c) have been switched-off but the fourth switching module (1d) still is switched-on
  • Position C of Figure 2C all the switching modules are switched-off.
  • Each cover (4a,4b,4c,4d) has a front window closed by a transparent plate, so that the switching module interior is visible from outside, as shown in Figures 1A - 1D .
  • Each switching module (1c, 1d) shown in Figures 3A - 3D has a pair of fixed contacts (8c,8c',8d,8d') accessible through openings of the casings (3a,3b,3c,3d) for their connection with an external electric installation (not-shown) in a known manner, for example for their connection with wires that can be secured by means of screws in known manner accessible through openings at the front face of the casings in which the aperture (3) is formed.
  • the pair of fixed contacts (8d,8d') has a contacting part (12d,12d') in the form of tweezer, and connection strips (13d,13d') connecting the fixed contacts (8d,8d') with the respective contacting part (12d,12d').
  • the pair of fixed contacts (8c,8c') has a contacting part (12c,12c') in the form of tweezers, and connection strips (13c,13c') connecting the fixed contacts (8c,8c') with the respective contacting part (12c,12c').
  • the two interlocking pieces (15c,15d) have the same shape and dimension, that is, they are a copy of each other, for example they are plastic pieces obtained by injection molding a plastic material in the same mold.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Claims (14)

  1. Réseau de commutateur rotatif modulaire qui comprend :
    au moins deux modules de commutation (1a, 1b, 1c, 1d) coaxialement assemblés et adjacents entre eux le long d'un axe commun (X),
    dans lequel chaque module de commutation comprend un boîtier (3a, 3b, 3c, 3d), des contacts fixes et un contact rotatif enfermés dans le boîtier, et dans lequel l'élément de contact rotatif peut tourner autour de l'axe (X) entre deux positions d'extrémité, une position allumée dans laquelle il est en contact avec les contacts fixes pour permettre la circulation de courant, et une position éteinte dans laquelle la circulation de courant à travers les contacts fixes est empêchée,
    le réseau de commutateur comprend en outre une première et une deuxième pièces de verrouillage (15c, 15d) de sorte que la première pièce de verrouillage (15c) est couplée avec le contact rotatif du premier module de commutation (1c) et la deuxième pièce de verrouillage (15d) est couplée avec le contact rotatif du deuxième module (1d) de sorte que la première et deuxième pièces de verrouillage peuvent tourner de manière conjointe respectivement avec les contacts premiers et mobiles du premier et deuxième modules de commutation, caractérisé en ce que
    chaque pièce de verrouillage a une broche (16c, 16d) placée de telle manière que les deux broches peuvent tourner sur le même plan autour de l'axe (X), et dans lequel deux pièces de verrouillage sont configurées et situées de telle manière qu'elles peuvent tourner entre deux positions de blocage d'extrémité l'une par rapport à l'autre dans lesquelles leurs broches sont en contact et une des broches bloque la rotation de l'autre broche, et dans lequel des positions de libération sont définies dans lesquelles les broches sont séparées et la rotation des deux pièces de verrouillage est permise.
  2. Réseau de commutateur selon la revendication 1, dans lequel les deux pièces de verrouillage sont configurées et situées de sorte que, lorsque le premier et deuxième modules de commutation sont dans la position allumée, la première et deuxième pièces de verrouillage sont dans une position de blocage dans laquelle la première pièce de verrouillage bloque la rotation de la deuxième pièce de verrouillage de sorte que le deuxième module de commutation ne peut pas s'éteindre, et le premier dispositif de commutation peut être tourné à sa position éteinte, et lorsque le premier et deuxième modules de commutation sont tous deux dans la position éteinte, la première et deuxième pièces de verrouillage sont aussi dans une position de blocage dans laquelle la deuxième pièce de verrouillage bloque la rotation de la première pièce de verrouillage de sorte que le premier module de commutation ne peut pas s'allumer, et le deuxième module de commutation peut être tourné à sa position allumée.
  3. Réseau de commutateur selon la revendication 1 ou 2, dans lequel les deux pièces de verrouillage sont configurées et situées de sorte que, lorsque le premier module de commutation est dans sa position éteinte et le deuxième module de commutation est dans sa position allumée, la première et deuxième pièces de blocage sont dans une position de libération et les deux modules de commutation peuvent tourner.
  4. Réseau de commutateur selon l'une quelconque des revendications précédentes, dans lequel les broches de la première et de la deuxième pièces de verrouillage peuvent tourner autour de l'axe (X) dans une aire circulaire, et dans lequel, dans les positions de blocage les deux broches sont placées dans un demi-cercle de cette aire circulaire, et la première pièce de verrouillage est dans une position avancée par rapport à la deuxième pièce de blocage, et dans lequel, dans une position de libération, les broches de la première et deuxième pièces de verrouillage sont placées dans des demi-cercles différents de cette aire circulaire.
  5. Réseau de commutateur selon l'une quelconque des revendications précédentes, dans lequel le premier et deuxième modules de commutation sont configurés de sorte que les contacts rotatifs du premier et deuxième modules de commutation peuvent tourner dans le même sens angulaire lorsqu'on les passe depuis la position allumée jusqu'à la position éteinte et vice versa, et dans lequel les broches de la première et deuxième pièces de verrouillage sont situées de sorte que la broche de la première pièce de verrouillage est placée dans une position avancée par rapport à la broche de la deuxième pièce de verrouillage dans le mouvement angulaire qui passe le premier et deuxième modules de commutation depuis leur position allumée jusqu'à leur position éteinte.
  6. Réseau de commutateur selon l'une quelconque des revendications précédentes, dans lequel les broches ont une configuration circulaire, carrée ou de secteur en quart de cercle.
  7. Réseau de commutateur selon la revendication 6, dans lequel chacune de la première et deuxième pièces de verrouillage a une surface plane et un évidement circulaire (17, 17') sur la surface plane, et dans lequel la broche a une configuration en secteur de quart de cercle et est placée dans l'évidement circulaire et unie dans celui-ci, et dans lequel la broche dépasse hors de la surface plane de sorte que, lorsque les surfaces planes des deux pièces de verrouillage sont superposées et en contact, la broche des pièces de verrouillage peut se déplacer dans l'évidement circulaire de l'autre pièce de verrouillage.
  8. Réseau de commutateur selon l'une quelconque des revendications précédentes, dans lequel les deux pièces de verrouillage ont la même forme et dimensions.
  9. Réseau de commutateur selon l'une quelconque des revendications précédentes, dans lequel chaque élément de contact rotatif (9c, 9d) comprend une cartouche de fusible (14c, 14d) réalisée d'un matériau électriquement isolant, et un fusible (5) ou une barre conductrice (6) logé dans la cartouche de fusible (14c, 14d) du module de commutation (1c, 1d), et dans lequel les cartouches de fusible (14c, 14d) peuvent tourner autour de l'axe commun (X).
  10. Réseau de commutateur selon la revendication 9, dans lequel la cartouche de fusible peut tourner autour d'un axe de rotation situé entre les contacts fixes et transversal à l'axe longitudinal de la cartouche de fusible, et dans lequel la cartouche de fusible peut tourner autour de l'axe de rotation un angle (a) entre les positions fermée et ouverte de module de commutateur, et dans lequel l'angle (a) est dans l'intervalle de 45° - 90°, préférablement 90°.
  11. Réseau de commutateur selon l'une quelconque des revendications précédentes, dans lequel chaque module de commutation (1a, 1b, 1c, 1d) comprend un boîtier électriquement isolant (3a, 3b, 3c, 3d), et dans lequel les contacts fixes et l'élément de contact rotatif sont enfermés respectivement dans le boîtier (3a, 3b, 3c, 3d).
  12. Réseau de commutateur selon l'une quelconque des revendications 9 à 11, dans lequel les cartouches (14c, 14d) ont des cavités (18c, 18d) coaxialement placées le long de l'axe (X) pour loger les pièces de verrouillage (15c, 15d), dans lequel les cavités (18c, 18d) ont une configuration périmétrique prédéfinie, qui est la même sur les deux cartouches mais leur position est inversée l'une par rapport à l'autre, et dans lequel les pièces de verrouillage (15c, 15d) ont une configuration coïncidente avec les cavités (18c, 18d), de sorte que chaque pièce de verrouillage (15c, 15d) se loge dans une position spécifique respectivement dans une cartouche (14c, 14d).
  13. Réseau de commutateur selon l'une quelconque des revendications 9 à 12, dans lequel les cavités (18c, 18d) sont fournies sur les deux côtés de chaque cartouche (14c, 14d), et, en correspondance avec chaque cavité (18c, 18d), il y a une protubérance circulaire (21c, 21d) formée sur chaque cartouche (14c, 14d), et ces protubérances circulaires se logent respectivement dans des fenêtres circulaires (22) formées sur les parois latérales du boîtier (3c, 3d) de sorte que la rotation des cartouches (14c, 14d) est guidée par ces fenêtres.
  14. Réseau de commutateur selon l'une quelconque des revendications 9 à 12, dans lequel, lorsque le premier et deuxième modules de commutation (1c, 1d) sont dans leur position allumée, les pièces de verrouillage (15c, 15d) sont dans une position inversée ou à l'envers l'une par rapport à l'autre.
EP19383060.1A 2019-11-28 2019-11-28 Réseau de commutateur rotatif modulaire Active EP3828908B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19383060.1A EP3828908B1 (fr) 2019-11-28 2019-11-28 Réseau de commutateur rotatif modulaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19383060.1A EP3828908B1 (fr) 2019-11-28 2019-11-28 Réseau de commutateur rotatif modulaire

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EP3828908A1 EP3828908A1 (fr) 2021-06-02
EP3828908B1 true EP3828908B1 (fr) 2022-09-14

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Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB188820A (en) 1921-08-27 1922-11-23 Charles Wilson Mcdowall Improvements in or in connection with switch fuses
GB332414A (en) 1929-07-27 1930-07-24 Karl Johan Jungholm Improvements in electrical switches contained in boxes and combined with plug fuses
FR1467125A (fr) 1965-12-13 1967-01-27 Telemecanique Electrique Sectionneur rotatif à cartouche fusible
DE1788050A1 (de) 1968-09-24 1972-01-13 Hager Elektro Plastic Kg Sicherungselement fuer stabfoermige Schmelzsicherungspatronen
EP1117073A1 (fr) 1999-07-23 2001-07-18 Universitat Politecnica de Catalunya Dispositif de suivi individualise d'elements d'une scene et procede permettant d'effectuer ce suivi
CN101989501B (zh) * 2009-07-29 2014-06-25 西门子公司 电气开关的动触头组件
DE102011083838A1 (de) * 2011-09-30 2013-04-04 Siemens Aktiengesellschaft Mehrpoliger Schalter, insbesondere Lasttrennschalter für Niederspannungen
DE102014010034B4 (de) * 2013-07-18 2020-11-05 Abb Ag Anordnung mit Phasen-Schaltgeräten und einem Neutralleiter-Schaltgerät
FR3054925B1 (fr) * 2016-08-02 2020-05-15 Socomec Module de commande pour appareil de coupure electrique modulaire et appareil de coupure electrique modulaire obtenu

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