EP0503033B1 - Schaltungsanordnung mit monostabil arbeitendem hilfsschalter, der an einen hauptschalter gekoppelt ist - Google Patents
Schaltungsanordnung mit monostabil arbeitendem hilfsschalter, der an einen hauptschalter gekoppelt ist Download PDFInfo
- Publication number
- EP0503033B1 EP0503033B1 EP91917148A EP91917148A EP0503033B1 EP 0503033 B1 EP0503033 B1 EP 0503033B1 EP 91917148 A EP91917148 A EP 91917148A EP 91917148 A EP91917148 A EP 91917148A EP 0503033 B1 EP0503033 B1 EP 0503033B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- main switch
- switch
- auxiliary
- coupled
- auxiliary switch
- 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
Links
- 230000008878 coupling Effects 0.000 claims abstract description 27
- 238000010168 coupling process Methods 0.000 claims abstract description 27
- 238000005859 coupling reaction Methods 0.000 claims abstract description 27
- 230000001052 transient effect Effects 0.000 claims description 8
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- 238000000429 assembly Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000005405 multipole Effects 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 abstract description 2
- 239000000969 carrier Substances 0.000 description 10
- 230000005284 excitation Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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- 230000003628 erosive effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
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Images
Classifications
-
- 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
- H01H50/543—Auxiliary switch inserting resistor during closure of contactor
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
Definitions
- the present invention relates to a switching device according to the preamble of claim 1.
- the main switches open first and, like the auxiliary switches are still closed, endure a practically negligible cut.
- the auxiliary switches support most of the shutdown and, being less well sized for this function, alter the service life of the device.
- the invention aims to provide a switching device operating as described above on closing, but reversing the switching sequence of the contact parts of the main and auxiliary switches during opening, in order to to ensure with certainty the transfer of the current flow from the auxiliary switches to the main switches.
- the invention provides a switching device comprising at least one main switch which can pass from an open position to a closed position during a transient closing phase and from a closed position to an open position. during a transient opening phase, these two phases being controlled by respective movements of a control member, and at least one auxiliary switch comprising at least one fixed contact and one movable contact connected to said control member by the 'through a mechanical connection.
- this device is characterized in that said mechanical connection comprises a disengageable coupling designed so as to pass from a coupled position to a uncoupled position, during the transient closing phase by closing the auxiliary switch before close the main switch and by opening the auxiliary switch after closing the main switch, and then return from said uncoupled position to the coupled position, during a subsequent passage of the main switch through the other transitional phase.
- the above-mentioned disengageable coupling is of the stress-breaking type and is designed so as to obtain a disengagement when the control force transmitted to the auxiliary switch by the control member of the main switch, exceeds a predetermined threshold.
- the above disengageable coupling consists of elastic snap-fastening means.
- the disengageable coupling uses at least two parts magnetically coupled to one another.
- the auxiliary switch and the return spring which is associated with it are arranged in a housing independent of the body of a contactor device. comprising the main switch, an armature return spring, as well as the electromagnet to which the actuation function of the two types of switches will be assigned.
- a circuit 1 for connecting a capacitive load 2 formed by three capacitors - C1, C2, C3 - to a three-phase network - R, S, T - is shown in Figure 1.
- a type of remote-controlled device shown in this figure by way of example for making this connection calls, on the one hand, for an electromagnetic contactor device 3 having in an enclosure 26 an electromagnet 4, a movable armature 5, a return spring 5 ′ which tends to place the latter in a rest position, and a control member 6 which may advantageously be constituted by an insulating rake or contact carrier on which are arranged moving parts of a set of switches main three-pole 7, 8, 9; on the other hand, a housing 11, which is mechanically associated with the housing 26, comprises a set of auxiliary switches 13, 14, 15 which is actuated by a second control member 12 which can also be produced in the form of a rake or insulating contact carrier, and being subjected to the action of a clean return spring 12 ′ whose effects tend to open these switches.
- the two control members which are advantageously but not necessarily arranged in alignment here, are coupled to each other using a releasable coupling 20, the operation of which will be specified below.
- auxiliary switches 13, 14, 15 are placed in series with respective limiting resistors - R1, R2, R3 - each of these series assemblies being placed in parallel on a corresponding main switch 9, 8, 7.
- Each resistor R1 can be split into two series resistors R1a, R1b placed on either side of the corresponding auxiliary switch 13; the resistors which are here placed outside the boxes 26, 11 are advantageously connected to the external terminals of the switches using their connection conductors so that good heat dissipation takes place and the manufacturer is not led to modify the conventional boxes it has to receive the contactor and the auxiliary contact block, see figure 1.
- any movement of the first in direction F will cause the moment of excitation of the electromagnet simultaneous displacement of the second.
- This closing which is carried out a few milliseconds before that of the main switches and which only authorizes the passage of reduced initial currents through the three resistors, is obtained thanks to a difference in the closing distances specific to the contact parts of the main switches - e2 - and auxiliaries - e1 -, the latter being more reduced.
- This difference in stroke is used here so that an automatic disengagement of the coupling 20 and therefore of the two contact carriers occurs, thus making it possible to release the auxiliary contact carrier and allowing it to return to its rest position when the carrier - main contact has already closed the corresponding switches.
- a first type of removable coupling 20, visible in FIG. 3 in the coupled state when the complete device is at rest, uses simple mechanical means which can be molded or overmolded during manufacture, or which can, on the contrary, make subject to a combination of appropriate spare parts.
- An extension 16 of the contact carrier 6 which passes through an opening 27 of the housing 26 of the contactor and is projecting relative to a face (for example a front face or a side face) 30 thereof, has a clearance 28 of which the opposite edges 24, 24 ′ are narrower at the entrance than the transverse dimension of a housing 29 which follows it.
- the contact carrier 12 of the auxiliary contact box 11 has for its part a fork-shaped extension 19 with elastic branches 17, 18 whose ends 17 ′, 18 ′ of the elastic branches 17, 18 are wider than the portion which precedes.
- the elasticity of this fork allows it to be released from the housing when sufficient longitudinal traction is exerted between the two contact carriers, and allows it to engage therein when a longitudinal thrust is exerted by the contact carrier 6 towards the contact carrier 12.
- a de-excitation of the electromagnet of the contactor which allows the contact carrier 6 to return to its rest position - in direction G - thanks to the return spring 5 ′ brings the edges of the clearance 28 in contact with the fork 19 by communicating to the latter by percussion a transverse pinch which allows it to penetrate with sliding in the housing 29, so that the clutch of the coupling 20 is again re-established pending a new operating cycle, see FIG. 2.
- the means which have just been described give their full effectiveness only if the shape of the attraction curve of the electromagnet has been judiciously chosen so that the slowdowns caused, on the one hand, by the expenditure of energy required to disengage the coupling 20 and, on the other hand, by the compression of the spring 12 ′ are not too great.
- the energy developed by the relaxation of the return spring 5 ′ of the armature must be sufficient so that the penetration of the fork into the housing is ensured regardless of the orientation that the device takes in space. .
- the two contact carriers 38, 39 are associated by calling on the adhesion of magnetized 37 and magnetizable 36 parts for example using a ferrite and soft iron.
- the magnetizable part and the permanent magnet may be placed on one or the other of the contact carriers.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanisms For Operating Contacts (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Claims (10)
- Schaltvorrichtung, die mindestens einen Hauptschalter (7, 8, 9) beinhaltet, der von einer geöffneten Stellung während einer vorübergehenden Schließphase auf eine geschlossene Stellung und von einer geschlossenen Stellung während einer vorübergehenden Öffnungsphase in eine geöffnete Stellung übergehen kann, wobei diese beiden Phasen durch die jeweilige Verlagerung eines Steuerteils (6) gesteuert werden. Sie enthält ebenso mindestens einen Hilfsschalter (13, 14, 15) mit mindestens einem festen und einen beweglichen Kontakt, der über eine mechanische Verbindung mit dem besagten Steuerteil (6) verbunden ist,
gekennzeichnet dadurch, daß die besagte mechanische Verbindung eine ausschaltbare Kupplung (20) beinhaltet, die so ausgelegt ist, daß sie während einer vorübergehenden Schließphase von einer eingekuppelten Stellung in eine ausgekuppelte Stellung übergehen kann, wobei der Hilfsschalter (13, 14, 15) vor dem Schließen des Hauptschalters (7, 8, 9) geschlossen wird und der Hilfsschalter (13, 14, 15) nach dem Schließen des Hauptschalters (7, 8, 9) geöffnet wird, und die Kupplung anschließend, während der Hauptschalter (7, 8, 9) nachfolgend die andere vorübergehende Phase durchläuft, von der besagten ausgekuppelten Stellung in die eingekuppelte Stellung zurückkehrt. - Schaltvorrichtung gemäß Anspruch 1,
gekennzeichnet dadurch, daß der bewegliche Kontakt des Hilfsschalters (13, 14, 15) zwischen zwei Stellungen beweglich ist : einer geöffneten und einer geschlossenen Stellung, und dadurch, daß dieser bewegliche Kontakt über elastische Mittel (12′) in eine der besagten Stellungen gebracht wird. - Schaltvorrichtung gemäß Anspruch 1,
gekennzeichnet dadurch, daß die oben angeführte ausschaltbare Kupplung (20) vom Typ mit Belastungsunterbrechung ist und so ausgelegt ist, daß ein Ausschalten erreicht wird, wenn die vom Steuerteil (6) des Hauptschalters (7, 8, 9) an den Hilfsschalter (13, 14, 15) übertragene Steuerkraft einen festgesetzten Grenzwert überschreitet. - Vorrichtung gemäß Anspruch 3,
gekennzeichnet dadurch, daß sich die oben angeführte ausschaltbare Kupplung (20) aus elastischen Sperrelementen (24, 24′, 29, 17, 18) zusammensetzt. - Vorrichtung gemäß Anspruch 3,
gekennzeichnet dadurch, daß die oben angeführte ausschaltbare Kupplung (20) zwei magnetisch miteinander verbundene Teile (36, 37) beinhaltet, wobei eines der Teile mit dem Steuerorgan (6) des Hauptschalters (7, 8, 9) und das andere Teil mit dem beweglichen Kontakt des Hilfsschalters (13, 14, 15) verbunden ist. - Vorrichtung gemäß Anspruch 1,
gekennzeichnet dadurch, daß die beiden oben angeführten Schalter (7, 8, 9; 13, 14, 15) in ein und demselben Gehäuse untergebracht sind, wobei die Verlagerungen des oben genannten Steuerteils (6) manuell erfolgen. - Vorrichtung gemäß Anspruch 1,
gekennzeichnet dadurch, daß der Hauptschalter (7, 8, 9) und der Hilfsschalter (13, 14, 15) mehrpolig sind, und daß in diesem Fall die oben angeführte mechanische Verbindung mit der ausschaltbaren Kupplung (20) die beweglichen Ausstattungen der beiden Schalter (7, 8, 9; 13, 14, 15) miteinander verbindet. - Vorrichtung gemäß Anspruch 1,
gekennzeichnet dadurch, daß der oben angeführte Hauptschalter (7, 8, 9) zu einem Schalter gehört, dessen Elektromagnet (4) an das oben genannte Steuerteil (6) angekoppelt ist. - Vorrichtung gemäß Anspruch 7,
gekennzeichnet dadurch, daß der oben genante Schalter in einem ersten Gehäuse (26) untergebracht ist, und dadurch, daß der Hilfsschalter (13, 14, 15) in einem zweiten Gehâuse (11) angeordnet ist, das mechanisch mit dem ersten Gehäuse (26) verbunden werden kann. - Vorrichtung gemäß Anspruch 1,
gekennzeichnet dadurch, daß der Hauptschalter (7, 8, 9) die Versorgung einer voreilenden Belastung (2) steuert, und der Hilfsschalter (13, 14, 15) parallel auf dem Hauptschalter (7, 8, 9) angeordnet ist, um die Belastung (2) über Begrenzungswiderstände (R1, R2, R3) im Augenblick vor dem Ausschalten des Hauptschalters (7, 8, 9) zu versorgen.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9011920 | 1990-09-27 | ||
FR9011920A FR2667439B1 (fr) | 1990-09-27 | 1990-09-27 | Appareil interrupteur pour l'alimentation de charges capacitives. |
PCT/FR1991/000748 WO1992006483A1 (fr) | 1990-09-27 | 1991-09-26 | Dispositif de commutation comprenant un interrupteur auxiliaire a fonctionnement monostable couple a un interrupteur principal |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0503033A1 EP0503033A1 (de) | 1992-09-16 |
EP0503033B1 true EP0503033B1 (de) | 1995-04-12 |
Family
ID=9400704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91917148A Expired - Lifetime EP0503033B1 (de) | 1990-09-27 | 1991-09-26 | Schaltungsanordnung mit monostabil arbeitendem hilfsschalter, der an einen hauptschalter gekoppelt ist |
Country Status (11)
Country | Link |
---|---|
US (1) | US5323132A (de) |
EP (1) | EP0503033B1 (de) |
JP (1) | JP2977279B2 (de) |
AU (1) | AU652383B2 (de) |
BR (1) | BR9105909A (de) |
CA (1) | CA2069617C (de) |
DE (1) | DE69108893T2 (de) |
FR (1) | FR2667439B1 (de) |
MX (1) | MX9101317A (de) |
RU (1) | RU2070747C1 (de) |
WO (1) | WO1992006483A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2928845B2 (ja) * | 1995-08-31 | 1999-08-03 | 株式会社山本電機製作所 | 電磁開閉器 |
DE19729595C1 (de) | 1997-07-10 | 1998-10-22 | Siemens Ag | Kondensatorschütz |
ES2134153B1 (es) * | 1997-09-24 | 2000-05-01 | Power Controls Iberica Sl | Dispositivo de contactos auxiliares para conexion a contactores de correccion del factor de potencia. |
FR2771548B1 (fr) * | 1997-11-21 | 2000-02-04 | Abb Control Sa | Bloc de contact auxiliaire de contacteur |
FR2808119B1 (fr) * | 2000-04-19 | 2002-10-11 | Abb Control Sa | Bloc auxiliaire destine a etre monte sur un contacteur electrique |
DE10315243B3 (de) * | 2003-04-03 | 2004-08-26 | Siemens Ag | Elektromechanisches Schaltgerät |
FR2900273B1 (fr) * | 2006-04-19 | 2008-05-30 | Abb Entrelec Soc Par Actions S | Contacteur comprenant un circuit de commande dont l'alimentation est soumise a des perturbations electriques |
DE102007002176B4 (de) * | 2007-01-15 | 2018-07-19 | Siemens Aktiengesellschaft | Erfassungseinrichtung zum Erfassen des Schaltzustands eines elektromagnetischen Schaltgeräts |
DE102007016147B4 (de) * | 2007-04-02 | 2010-05-12 | Moeller Gmbh | Schaltschütz |
DE102009052626A1 (de) * | 2009-11-10 | 2011-05-12 | Siemens Aktiengesellschaft | Schaltgerät zum Schalten eines Kondensators |
EP2579290B1 (de) * | 2011-10-04 | 2014-06-04 | ABB Technology AG | Hilfskontaktvorrichtung für Mittelspannungsschaltvorrichtungen |
DE102014012454B4 (de) * | 2014-08-21 | 2023-06-22 | Schaltbau Gmbh | Schaltschütz mit Schnellschalteigenschaften |
DE102014218013A1 (de) * | 2014-09-09 | 2016-03-10 | Siemens Aktiengesellschaft | Schaltgerät mit modularem Hilfsschalterblock |
RU2579008C1 (ru) * | 2015-03-16 | 2016-03-27 | Евгений Александрович Оленев | Коммутационное устройство |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE735643C (de) * | 1942-04-12 | 1943-05-20 | Voigt & Haeffner Ag | Druckknopfschalter fuer kurzzeitigen Stromschluss |
DE1177713B (de) * | 1960-08-10 | 1964-09-10 | Siemens Ag | Elektrischer Schalter fuer Wechselstrom |
DE1191460B (de) * | 1963-06-07 | 1965-04-22 | Philips Nv | Drucktastenschalter mit Stromstossbegrenzung |
US4245225A (en) | 1978-11-08 | 1981-01-13 | International Business Machines Corporation | Ink jet head |
US4281305A (en) | 1979-06-18 | 1981-07-28 | Clark Control, Inc. | Electromagnetic switching apparatus |
ATE14489T1 (de) * | 1980-03-13 | 1985-08-15 | Square D Starkstrom Gmbh | Elektromagnetisches schuetz. |
DE3105117C2 (de) * | 1981-02-12 | 1985-10-17 | Siemens AG, 1000 Berlin und 8000 München | Elektromagnetisches Schaltgerät |
-
1990
- 1990-09-27 FR FR9011920A patent/FR2667439B1/fr not_active Expired - Lifetime
-
1991
- 1991-09-26 BR BR919105909A patent/BR9105909A/pt not_active IP Right Cessation
- 1991-09-26 AU AU85479/91A patent/AU652383B2/en not_active Ceased
- 1991-09-26 EP EP91917148A patent/EP0503033B1/de not_active Expired - Lifetime
- 1991-09-26 RU SU915052433A patent/RU2070747C1/ru active
- 1991-09-26 DE DE69108893T patent/DE69108893T2/de not_active Expired - Fee Related
- 1991-09-26 US US07/859,308 patent/US5323132A/en not_active Expired - Fee Related
- 1991-09-26 WO PCT/FR1991/000748 patent/WO1992006483A1/fr active IP Right Grant
- 1991-09-26 JP JP3516107A patent/JP2977279B2/ja not_active Expired - Lifetime
- 1991-09-26 CA CA002069617A patent/CA2069617C/fr not_active Expired - Fee Related
- 1991-09-27 MX MX9101317A patent/MX9101317A/es not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
MX9101317A (es) | 1992-05-04 |
DE69108893T2 (de) | 1995-08-24 |
FR2667439A1 (fr) | 1992-04-03 |
CA2069617A1 (fr) | 1992-03-28 |
EP0503033A1 (de) | 1992-09-16 |
US5323132A (en) | 1994-06-21 |
BR9105909A (pt) | 1992-10-13 |
JPH05502753A (ja) | 1993-05-13 |
CA2069617C (fr) | 2000-09-05 |
JP2977279B2 (ja) | 1999-11-15 |
FR2667439B1 (fr) | 1992-11-27 |
DE69108893D1 (de) | 1995-05-18 |
WO1992006483A1 (fr) | 1992-04-16 |
RU2070747C1 (ru) | 1996-12-20 |
AU8547991A (en) | 1992-04-28 |
AU652383B2 (en) | 1994-08-25 |
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