EP0189924B1 - Dispositif pour accoupler un interrupteur auxiliaire - Google Patents

Dispositif pour accoupler un interrupteur auxiliaire Download PDF

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Publication number
EP0189924B1
EP0189924B1 EP86101219A EP86101219A EP0189924B1 EP 0189924 B1 EP0189924 B1 EP 0189924B1 EP 86101219 A EP86101219 A EP 86101219A EP 86101219 A EP86101219 A EP 86101219A EP 0189924 B1 EP0189924 B1 EP 0189924B1
Authority
EP
European Patent Office
Prior art keywords
switching device
auxiliary switch
switch arrangement
recess
contact slide
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
Application number
EP86101219A
Other languages
German (de)
English (en)
Other versions
EP0189924A1 (fr
Inventor
Johann Drexler
Werner Dipl.-Ing. Harbauer
Erwin Flierl
Kurt Held
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
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
Priority claimed from DE19853503292 external-priority patent/DE3503292A1/de
Priority claimed from DE19863602506 external-priority patent/DE3602506A1/de
Application filed by Siemens AG filed Critical Siemens AG
Priority to AT86101219T priority Critical patent/ATE46407T1/de
Publication of EP0189924A1 publication Critical patent/EP0189924A1/fr
Application granted granted Critical
Publication of EP0189924B1 publication Critical patent/EP0189924B1/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/021—Bases; Casings; Covers structurally combining a relay and an electronic component, e.g. varistor, RC circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/541—Auxiliary contact devices
    • H01H50/545—Self-contained, easily replaceable microswitches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/044—Application rejection 1: coded interacting surfaces, polarising, e.g. to avoid insertion of a circuit breaker or fuse or relay or rating plug of the wrong caliber or in the wrong direction

Definitions

  • the invention relates to an electrical switching device, in particular a contactor, with an auxiliary switch arrangement that can be coupled by means of a positive connection, each with its own housing that holds the fixed contact parts and a contact slide for the switching device and for the auxiliary switch arrangement that can be moved therein parallel to the coupling plane and holds the movable contact parts.
  • a switching device is known from US-A 3,243,564.
  • the invention has for its object to provide an arrangement of the type mentioned above, in which simple and safe coupling of an auxiliary switch arrangement to a contactor is possible with simple means.
  • This is achieved in that the contact slide of the auxiliary switch arrangement can be connected to the contact slide of the switching device when it is coupled to the switching device by the interlocking of extensions and recesses formed on the slide and that a latch is provided which is connected to the contact slide in such a way via a lever connection
  • Auxiliary switch arrangement interacts to prevent the switching device from being switched on when the auxiliary switch arrangement is incompletely coupled, that when the auxiliary switch arrangement is coupled, it is automatically fixed to the switching device and that this fixing can only be released when the switching device is switched off.
  • auxiliary switch arrangement is provided with a molding consisting of two towers which can be inserted into a correspondingly shaped recess in the switching device, the housing ribs delimiting the recess ensuring that the towers fit in the recess without play.
  • lever connection comprises a strip-shaped lever provided with a recess into which an extension of the contact slide of the auxiliary switch arrangement projects when the switching device is switched on.
  • lever connection comprises a strip-shaped lever provided with an extension and the extension projects into the movement range of the contact slide of the auxiliary switch arrangement when the auxiliary switch arrangement is not properly coupled.
  • the usual arrangement of voltage damping on the protection need not be dispensed with in the auxiliary switch arrangement according to the invention if a recess is provided on the auxiliary switch arrangement for receiving a voltage limiting circuit provided with electrical connectors, the recess on the auxiliary switch arrangement corresponding to a recess of the same type in the switching device. If no voltage control is used, the recess on the auxiliary switch arrangement can be covered by a device identification label. A mounting device for the device identification label is provided on the voltage attenuation.
  • the auxiliary switch arrangement and the switching device are provided with a plug-in coding.
  • the latching pawl is provided with a rising surface which braces the housing of the switching device and the auxiliary switch arrangement with one another when it is latched. It is advantageous if the latch is designed as an eccentric.
  • a return spring acts on the contact slide of the auxiliary switch arrangement on the side facing away from the switching device. By means of such a coupling of the return spring, the means to be moved, which are necessary for the switching process, are always on one side against the stop, so that the slack in the coupling and in the guide is switched off practically without any further effort.
  • the contactor 1 shown schematically in FIG. 1 is connected on opposite sides to the connections 2 and in between to a recess 3, which is closed off by a cover 4 in FIG. 1.
  • a further recess in the cover 4 is closed by a further cover 5.
  • the auxiliary switch arrangement 6 is equipped with a molding 7 which can be inserted into the recess 3 after the cover 4 has been removed.
  • the upper part 8 of the auxiliary switch arrangement provided with the connections 2 is cubic and narrower than the contactor 1, so that the connections 2 of the contactor 1 remain accessible after the auxiliary switch arrangement has been applied.
  • a recess 9, which can be closed with the cover 5, is provided in the auxiliary switch arrangement 6.
  • an RC element, varistor or diode 10 for voltage damping can be snapped into the recess 9.
  • the electrical connection is made by inserting the contact blades 11 into the counter-head contacts 12.
  • the counter-contacts 12 end in contact blades 13 which can be inserted into counter-contacts 14 on the contactor 1 when the auxiliary switch arrangement is put on.
  • the mating contacts 14 are connected to the coil connections of the contactor.
  • the cover 5 can be attached to the RC element 10 as a label by means of a receptacle 15. If the cover 4 remains on the contactor 1 and the cover 5 is removed, the RC element 10 can be connected directly to the contactor via the mating contacts 14. Projections 16 on the molding 7 of the auxiliary switch arrangement 6 are used for coding.
  • the molded part 7 can consist of two towers 17 and 18, which bear against housing ribs 19, 20 as a limitation of the recess 3.
  • the housing ribs 19, 20 can be designed as scraper ribs, so that a play-free fit of the molded part 7 or the towers 17, 18 is ensured in the recess 3.
  • a detent projection 21 of the contactor 1 projects between the two towers 17 and 18 and, when the auxiliary switch arrangement 6 is in the fitted state, comes into engagement with a rotatably mounted detent pawl 22.
  • the radius 23 is asymmetrical to the center of the axis of rotation, so that the clamping surface 24 acts as an eccentric.
  • the latch 22 is spring-loaded in the closing direction via the spring 25, so that the auxiliary switch arrangement 6 is automatically locked and also braced when it is put on.
  • An arm 26 of the latch 22 protrudes into a slot 27 of a lever 28 which is displaceably guided in the auxiliary switch arrangement 6 and is accessible from the front of the auxiliary switch arrangement, so that the latching connection can be released by pressing the lever 28 against the force of the spring 25.
  • the lever 28 is further provided with a recess 29 into which an extension 30 of the contact slide 31 of the auxiliary switch arrangement 6 projects when the switching device is switched on, so that it is not possible to release the latching connection when the device is switched on 6 is also not possible since the extension 30 cannot be inserted into the recess 29.
  • the lever 28 thus indicates whether the attachment is completely attached. It is also not possible to remove the auxiliary switch arrangement 6 when the device is switched on.
  • the embodiment variant of the locking lever 28 shown in FIGS. 9 and 10 has an extension 37 instead of the recess 29, which prevents the switch-on movement by the extension 30 of the contact slide 31.
  • a detachment of the attachment when the device is switched on is also not possible here, since a displacement of the lever 28 in the detaching sense is not possible; because the extension 30 of the contact slide 31 lies in the path of the extension 37.
  • the coupling between the contact slide 31 of the auxiliary switch arrangement and the contact slide 32 of the contactor takes place via the extension 34 of the contact slide 32 inserted into the recess 33 of the contact slide 31.
  • play-free coupling can take place via compensating ribs.
  • An extension 35 of the contact slide 31 serves as an indication of the switching position.
  • the extension 34 of the contact slide 32 serves as a position indicator when the auxiliary switch arrangement 6 is removed.
  • the contact slide 31 is constantly held in the off position by the return pressure spring 38, so that it is not possible to mount the auxiliary switch arrangement 6 when the contactor 1 is switched on, since the extension 34 of the contact slide 32 does not fit into the recess 33.
  • auxiliary contactors according to DIN EN 50011 and motor contactors according to DIN EN 50012 it must be ensured that only suitable auxiliary switch arrangements can be placed on special contactors.
  • the coding projection 16 is arranged on the molded part 7 of the auxiliary switch arrangement 6 such that the auxiliary switch arrangement 6 can only be inserted into the recess 3 according to FIG. 4.
  • projections 36 are provided in the recess 3.
  • the auxiliary switch arrangement according to FIG. 4 cannot be inserted into the recesses 3 according to FIGS. 5 and 6, since here protrusions 36 protrude into the recess 3 at the point where the projection 16 is present.
  • the attachment 4 can be used, for example, as an attachment for an auxiliary contactor, so that the terminal designation according to the European standard DIN EN 50011 is met.
  • the embodiment according to FIG. 6 is intended, for example, for a motor contactor, so that the terminal designation according to the European standard DIN EN 50012 is fulfilled.
  • the standards are not taken into account, since the attachment 4 can be used in any way.
  • FIG. 11 for coupling an auxiliary switch arrangement essentially corresponds to the embodiment according to FIGS. 2 and 3.
  • the tower 17 lies on housing ribs 19 as a loading Boundary of the recess 3, which should cause a play-free connection between the contactor 1 and the auxiliary switch arrangement 6 with respect to the housing.
  • the coupling between the contact slide 31 of the auxiliary switch arrangement and the contact slide 32 of the contactor takes place via the extension 34 of the contact slide 32 inserted into the recess 33 of the contact slide, which can also take place via compensating ribs.
  • the recess 33 is coaxial with the extension 35 of the contact slide 31 formed on the opposite side of the contact slide 31, which additionally serves as a switch position indicator.
  • the spring 38 is provided here in the region of the extension 35 of the contact slide 31, is supported on the one hand on this and on the other hand on a surface 39 of the housing of the auxiliary switch arrangement 6.
  • the contact slider 31 is rotated more or less about the coupling point - extension 34, recess 33 - counterclockwise, so that when the contactor is switched on, the left turn resulting from the acceleration of the contact slider 31 occurs as a result of the tolerances in the guidance of the slide and the coupling is already anticipated between the two contact slides, ie the switching path for the auxiliary switch arrangement 6 can be fully utilized.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Slide Switches (AREA)

Claims (11)

1. Appareil de coupure électrique, en particulier contacteur, comprenant un dispositif d'interruption auxiliaire (6) accouplable par complémentarité de formes à l'appareil, le dispositif d'interruption auxiliaire (6) et l'appareil de coupure possédant chacun un boîtier qui leur est propre et qui porte les pièces de contact fixes, de même que, à l'intérieur de ce boîtier, un curseur de contact (32, 31) déplaçable parallèlement au plan d'accouplement et portant les pièces de contact mobiles, caractérisé en ce que le curseur de contact (31) du dispositif d'interruption auxiliaire (6), lors de son accouplement à l'appareil de coupure (1), est relié au curseur de contact (32) de l'appareil de coupure par l'emboîtement mutuel de prolongements (34) et d'évidements (33) formés sur les curseurs (32, 31) et qu'un cliquet d'arrêt (22) coopère avec le curseur de contact (31) du dispositif d'interruption auxiliaire (36), par l'intermédiaire d'une liaison à levier, de manière que l'enclenchement de l'appareil de coupure (1) soit empêché lorsque le dispositif d'interruption auxiliaire (6) est accouplé incomplètement, que le dispositif d'interruption auxiliaire (6), lors de son accouplement, soit fixé automatiquement à l'appareil de coupure et que cette fixation puisse seulement être supprimée lorsque l'appareil de coupure (1) est ouvert.
2. Appareil selon la revendication 1, caractérisé en ce que le dispositif d'interruption auxiliaire (6) est pourvu d'une saillie (7) conformée, qui est constituée de deux lames (17, 18), saillie que l'on peut faire pénétrer dans un creux (3) de forme complémentaire de l'appareil de coupure (1), le creux étant délimité par des nervures (19, 20) solidaires du boîtier et qui assurent une assise sans jeu des lames (17, 18) dans le creux (3).
3. Appareil selon la revendication 2, caractérisé en ce que le creux (3) peut être recouvert par un couvercle (4).
4. Appareil selon la revendication 1 ou 2, caractérisé en ce que la liaison à levier comporte un levier (28) en forme de bande, qui est pourvu d'un évidement (29) dans lequel pénètre, à l'état enclenché de l'appareil de coupure (1), un prolongement (30) du curseur de contact (31) du dispositif d'interruption auxiliaire (6).
5. Appareil selon la revendication 1 ou 2, caractérisé en ce que la liaison à levier comporte un levier (28) en forme de bande, pourvu d'un prolongement (37), qui fait saillie dans la zone de mouvement du curseur de contact (31) du dispositif d'interruption auxiliaire (6) lorsque celui-ci n'est pas accouplé convenablement.
6. Appareil selon l'une des revendications 1 à 5, caractérisé en ce que le dispositif d'interruption auxiliaire (6) possède un creux (9) pour la réception d'un circuit limiteur de tension (10), pourvu de connecteurs électriques à enfichage, le creux (9) du dispositif d'interruption auxiliaire (6) correspondant à un creux (3) de conformation analogue dans l'appareil de coupure (1).
7. Appareil selon la revendication 6, caractérisé en ce que le creux (9) du dispositif d'interruption auxiliaire (6) peut être recouvert par une plaque signalétique de l'appareil.
8. Appareil selon l'une des revendications précédentes, caractérisé en ce que le dispositif d'interruption auxiliaire (6) et l'appareil de coupure (1) sont dotés d'un codage d'enfichage (16, 36).
9. Appareil selon l'une des revendications précédentes, caractérisé en ce que le cliquet d'arrêt (22) est pourvu d'une rampe (34) qui, lors de l'assemblage à encliquetage, assure le serrage de la liaison ainsi établie entre les boîtiers de l'appareil de coupure (1) et du dispositif d'interruption auxiliaire.
10. Appareil selon la revendication 9, caractérisé en ce que le cliquet d'arrêt (22) est réalisé à la façon d'un excentrique.
11. Appareil selon la revendication 1, caractérisé en ce qu'un ressort de rappel (38) attaque le curseur de contact (31) du dispositif d'interruption auxiliaire (6) sur le côté éloigné de l'appareil de coupure (1).
EP86101219A 1985-01-31 1986-01-30 Dispositif pour accoupler un interrupteur auxiliaire Expired EP0189924B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86101219T ATE46407T1 (de) 1985-01-31 1986-01-30 Anordnung zum ankoppeln einer hilfsschalteranordnung.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3503292 1985-01-31
DE19853503292 DE3503292A1 (de) 1985-01-31 1985-01-31 Anordnung zum ankoppeln einer hilfsschalteranordnung
DE19863602506 DE3602506A1 (de) 1986-01-28 1986-01-28 Anordnung zum ankoppeln einer hilfsschalteranordnung
DE3602506 1986-01-28

Publications (2)

Publication Number Publication Date
EP0189924A1 EP0189924A1 (fr) 1986-08-06
EP0189924B1 true EP0189924B1 (fr) 1989-09-13

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ID=25829028

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86101219A Expired EP0189924B1 (fr) 1985-01-31 1986-01-30 Dispositif pour accoupler un interrupteur auxiliaire

Country Status (2)

Country Link
EP (1) EP0189924B1 (fr)
DE (1) DE3665646D1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5197594A (en) * 1985-01-31 1993-03-30 Siemens Aktiengesellschaft Arrangement for coupling an auxiliary switch mechanism
EP0198099B2 (fr) 1985-04-15 1993-01-07 Square D Company (Deutschland) Gmbh Contacteur en particulier contacteur auxiliaire ou contacteur de moteur
DE9004816U1 (de) * 1990-04-27 1991-08-22 Siemens AG, 80333 München Aufsatzgehäuse für elektromagnetische Schaltgeräte
DE59206724D1 (de) * 1991-03-25 1996-08-14 Kloeckner Moeller Gmbh Anordnung zum lösbaren Verbinden Seite an Seite von Hilfsschaltern untereinander und/oder mit einem elektromagnetischen Schaltgerät
US5652420A (en) * 1995-11-14 1997-07-29 Eaton Corporation Modular contactor control system
DE29612042U1 (de) * 1996-07-10 1996-09-05 Siemens AG, 80333 München Steuerbaustein für ein Relais und dessen Anordnung mit einem Relais
WO1998005052A1 (fr) * 1996-07-29 1998-02-05 Sundstrand Corporation Contacteur modulaire
DE19638422C1 (de) * 1996-09-19 1997-11-06 Siemens Ag Schaltgerät mit ankoppelbarem Hilfsschaltblock
JP5071453B2 (ja) * 2009-08-20 2012-11-14 富士電機機器制御株式会社 電磁接触器
CN111578979B (zh) * 2020-05-26 2021-09-17 杭州斡维电子科技有限公司 一种同轴扫描开关及控制方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2672536A (en) * 1950-11-01 1954-03-16 Cutler Hammer Inc Electric control device
US2977438A (en) * 1959-06-29 1961-03-28 Morschel Franz Relay-contactor
US3243564A (en) * 1964-01-22 1966-03-29 Gen Electric Electric relay module with aditional removable contact section
US3388353A (en) * 1965-10-07 1968-06-11 Smith Corp A O Electrical contactor having main circuit control contacts and auxiliary control contacts interconnected to be actuated from a common electromagnetic actuator

Also Published As

Publication number Publication date
DE3665646D1 (en) 1989-10-19
EP0189924A1 (fr) 1986-08-06

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