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EP0326446B1 - Steuer- und Signalhilfsschalter für mehrpoligen Modulschalter - Google Patents

Steuer- und Signalhilfsschalter für mehrpoligen Modulschalter Download PDF

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Publication number
EP0326446B1
EP0326446B1 EP19890400062 EP89400062A EP0326446B1 EP 0326446 B1 EP0326446 B1 EP 0326446B1 EP 19890400062 EP19890400062 EP 19890400062 EP 89400062 A EP89400062 A EP 89400062A EP 0326446 B1 EP0326446 B1 EP 0326446B1
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
switch
lever
auxiliary
indication
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
EP19890400062
Other languages
English (en)
French (fr)
Other versions
EP0326446A1 (de
Inventor
Patrick De Robertis
Yves Belin
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.)
Merlin Gerin SA
Original Assignee
Merlin Gerin SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Merlin Gerin SA filed Critical Merlin Gerin SA
Publication of EP0326446A1 publication Critical patent/EP0326446A1/de
Application granted granted Critical
Publication of EP0326446B1 publication Critical patent/EP0326446B1/de
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
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
    • H01H71/462—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts housed in a separate casing, juxtaposed to and having the same general contour as the main casing

Definitions

  • the object of the invention is to improve the actuation mechanism of a double auxiliary switch to allow the addition of a plurality of auxiliaries to a circuit breaker block.
  • the switch according to the invention is characterized in that the first auxiliary switch comprises a contact arm cooperating directly with the plate associated with an energy storage spring, and that the contact arm of the second signaling switch is carried by a lever insulating support mounted with limited rotation on the axis of the plate, said support lever having a projection capable of cooperating with a control lever pivoting on the axis of the handle so as to prevent any movement of the support lever by blocking the protrusion during a faultless manual opening of the circuit breaker leaving the second switch in an inactive state, and authorizing the pivoting of the support lever for switching the second switch to the active fault signaling state when the latching occurring following an automatic tripping of the circuit breaker.
  • the control lever is provided with a circular guide sector which moves with the lever along the projection when the support lever is immobilized in rotation during the manual opening of the circuit breaker.
  • the opening on fault of the circuit breaker is also signaled locally by means of a signaling light arranged on the support lever so as to be visible from the front face of the box.
  • the fault signaling indicator comprises a manual reset member of the support lever authorizing the passage of the contact arm belonging to the second signaling switch from the active state to the inactive state.
  • a multipole automatic circuit breaker 10 is formed by the modular assembly of an auxiliary control and signaling unit 14 to a circuit breaker block 11 having a plurality of juxtaposed breaker poles 12.
  • Each pole of the circuit breaker 10 comprises a pair of separable contacts for interrupting the electrical circuit formed between two connection terminals 13, 15, and a switching mechanism associated with a pivoting lever 16 for manual control, and with an automatic trip device intended for monitor the value of the current flowing through the pole.
  • the switching mechanism of such a circuit breaker pole is described by way of example in French patent application No. 8708037, filed by the applicant on 9/6/87.
  • the levers 16 of the different cutoff poles 12 are mechanically secured to each other by a coupling bar 18 in the form of a crosspiece extending in the direction of abutment of the insulating housings for housing the poles 12. The presence of this bar 18 makes it possible to '' simultaneously driving the handles 16 of the different poles 12 between stable closing and opening positions of the circuit breaker 10.
  • the auxiliary unit 14 is housed in an insulating box 19 (FIGS. 2 to 5) containing a switch having a lever 20 pivoting on an axis 21 and a mechanism 22 for the combined actuation of an auxiliary switch 24 and a signaling switch 26.
  • the lever 20 is coupled to the coupling bar 18 of the poles 12 by a first mechanical connection 28 (FIG. 1) bidirectional allowing the transmission of the pivoting movements of the levers 16 of the circuit breaker block 11 to the mechanism 22 of the auxiliary block 14.
  • This connection can be produced by way of example by extending the bar 18.
  • the first auxiliary switch 24 comprises a reversing contact system having a movable contact arm 30 in the form of a bent pin, one of the ends 32 of which is anchored around a boss 34 of the housing 19, and electrically connected to a terminal 36 connection.
  • the other free end of the contact arm 30 carries a double contact 38 cooperating alternately with two separate fixed contacts 40,42 electrically connected to two other connection terminals 44,46.
  • the state of the auxiliary switch 24 reflects the open or closed position of the contacts of the circuit breaker block 11 to which the auxiliary block 14 is coupled by the first mechanical connection 28. This results in control and signaling functions thanks to the first set of three terminals 36,46,44 insulated from one another and superimposed on one of the narrow lateral faces of the housing 19.
  • the elasticity of the pin of the contact arm 30 ensures the contact pressure on the two fixed contacts 40,42.
  • the second signaling switch 26 also includes a reversing contact system having a movable contact arm 48 with double contact 50 cooperating with two fixed contacts 52,54, all of these contacts 48,52,54 being in electrical connection with a second set of terminals 56, 58, 60 arranged on the other narrow side face of the housing 19, opposite the terminals 36, 46, 44 of the first set.
  • the state of the second switch 26 of the auxiliary unit 14 makes it possible to signal opening on fault by automatic tripping of circuit breaker block 11.
  • the mechanism 22 for actuating the auxiliary unit 14 is composed of a movable plate 62, of insulating material mounted with limited pivoting on a fixed axis 64 of the housing 19.
  • the plate 62 is connected to the lever 20 by means of a connecting rod 66 for transmission and an attachment 68 formed by a latching lever 70 cooperating with a trigger lever 72.
  • the latching lever 70 is rotatably mounted on an axis 74 of the plate 62, and is directly coupled to the link 66.
  • the trigger lever 72 of the mechanism 22 is pivotally mounted on an axis 76 between an armed position and a triggered position.
  • a return spring 78 of the torsion type is threaded on the axis 76 and biases the trigger lever towards the armed position (FIG.
  • One end of the double trigger lever 72 ensures the establishment or rupture of the coupling 68 with the latching lever 70, and the other end carries a rod 80 (FIG. 3) which can be actuated by the trigger bar incorporated in the switching mechanism of the pole 12 attached.
  • the protruding rod 80 passes through an opening 82 formed in the large lateral face 84 of the housing 19 coming into engagement with the mating face of the circuit breaker block 11.
  • the rod 80 penetrates into an orifice of the circuit breaker block 11 to form a second tripping link ( Figure 1) between the switching mechanism of the neighboring pole 12 and the mechanism 22 for actuating the auxiliary block 14.
  • This second link 86 makes it possible to derive from the intervening tripping movement in any one of the pole switching mechanisms 12, a pivoting movement towards the triggered position of the trigger lever 72 causing the coupling 68 to break.
  • the plate 62 Opposite the attachment 68 relative to the axis 64, the plate 62 carries a cleat 88 which comes into engagement with the intermediate part of the contact arm 30 of the auxiliary switch 24 in the closed position of the circuit breaker block 11 (see figure 2).
  • a traction accumulator spring 90 is hooked between the cleat 88 and a fixed point 92 of the housing 19, so as to cause the pivoting of the plate 62 in the trigonometric direction after breaking of the hooking 68 following a fault.
  • the accumulator spring 90 serves as an actuating spring for the mechanism 22.
  • a support lever 94 On the axis 64 of the plate 62 is mounted a support lever 94 having a first lower branch 96 serving as a contact carrier for the contact arm 48 of the signaling switch 26, and a second opposite branch 98, equipped with a indicator light 100.
  • a stop 102 of the plate 62 bears on the support lever 94 in the closed position of the circuit breaker block 11 (FIG. 2), and ensures positive locking of the contact 50 of the contact arm 48 against the fixed contact 52.
  • the support lever 94 is provided with a third lateral branch in the form of a projection 104 capable of cooperating with a control lever 106 mounted on the axis 21 of the lever 20.
  • a return spring 108 is associated with the control lever 106, which is biased towards the projection 104.
  • the lever 106 further comprises a circular sector 110 for positioning and guiding the projection 104, and a hooking spout 112 capable of cooperating with a slider 113 for locking a selector 114.
  • a notch 116 formed in the upper face of the selector 114 makes it possible to move the cursor 113 between a locking position (see FIG.
  • the notch 116 of the selector 114 is accessible through an opening made in the front face of the housing 19.
  • a torsion spring 120 mounted on the support lever 94 around the axis 64, cooperates with the movable contact arm 48 of the signaling switch to exert the contact pressure.
  • a step 118 of the indicator light 100 allows cancellation of the fault signal by means of a tool intended to push the support lever 94 towards the position of FIG. 2.
  • the auxiliary block 14 is hooked onto the circuit breaker block 11 by means of a snap hook 130 (FIG. 3) forming part of the housing 19.
  • auxiliary control and signaling unit 14 The operation of the auxiliary control and signaling unit 14 is as follows:
  • the handle 20 of the auxiliary unit 14 is on the right (see FIG. 2), and the indicator light 100 is in a deleted position.
  • the respective movable contact arms 30, 48 of the first and second switches 24, 26 are held in engagement against the fixed contacts 40, 52, and the latch 68 is of course in the locked position.
  • the tension spring 90 of the actuating mechanism 22 is armed.
  • the selector 114 is shown in FIG. 2 in the locked position for blocking the control lever 106.
  • the trip bar triggers the switching mechanism of the circuit breaker block 11, and transmits simultaneously this tripping order (see arrow F2 in FIG. 3) to the auxiliary unit 14 by the second mechanical link 86, causing the tripping lever 72 to pivot in the anticlockwise direction, towards the tripped position.
  • the double contact 38.50 of the two switches 24.26 is in respective engagement with the fixed contacts 42.54.
  • the first auxiliary switch 24 indicates the change of position of the contacts of the circuit breaker block 11.
  • the second signaling switch 26 indicates the nature of the opening, reflecting the triggering of the circuit breaker block fault 11. This fault is signaled by the appearance of the indicator light 100 on the front face of the housing 19. The fault signal is canceled manually by pushing the support lever 94 clockwise, using a screwdriver resting on step 118.
  • the rotation of the handle 20 towards the open position drives the control lever 106 in the opposite direction to the needles of a watch so as to prevent any movement of the support lever 94 by blocking the projection 104 (see FIG. 7).
  • the cooperation of the projection 104 with the circular sector 110 of the control lever 106 does not hamper the pivoting movement of the lever 20, but positively maintains the contact arm 48 against the fixed contact 52.
  • the second switch 26 remains inactive and does not indicate a fault signal.
  • the first switch 24 changes position by pivoting the plate 62 imposed by the transmission rod 66 coupled to the lever 20.
  • the double contact 38 comes into engagement with the fixed contact 42, and the first auxiliary switch 24 indicates the change of position of the contacts of the circuit breaker block 11.
  • the hooking spout 112 is locked by the cursor 113 of the selector 114, and the control lever remains locked in the position of FIG. 2 independently of the pivoting movement of the lever 20.
  • the projection 104 no longer interferes with the sector 110, and the support lever 94 pivots with the plate 62 during an automatic triggering or a manual opening by the operator.
  • the state of the second switch 26 is then identical to that of the first switch 24 regardless of the operating mode of the circuit breaker 10.
  • the auxiliary unit 14 then has two auxiliary switches 24, 26 which exclusively indicate the state of the contacts of the circuit breaker unit 11.
  • the presence of the accumulator spring 90 in the mechanism 22 for actuating the auxiliary unit 14 makes it possible to transmit to the outside a control order derived from the pivoting movement of the plate 62 (see arrow F3, FIG. 3).
  • This control order can be applied to other electrical auxiliaries by means of an end piece 126 (FIG. 3) located opposite the rod 80 belonging to the second mechanical connection 86.
  • the end piece 126 has a blind hole in which A mechanical triggering link belonging to one of the adjoining auxiliaries can be introduced, for example an undervoltage release MN, a relay MX with transmission coil, or another auxiliary signaling block.
  • FIG. 8 shows the association of a circuit breaker block 11 and three auxiliary control and signaling blocks 14a, 14b, 14c to form a modular automatic circuit breaker 100.
  • the three auxiliary blocks are identical to the type described with reference to FIGS. 2 to 5.
  • the auxiliary block 14a first receives the triggering order (arrow F2) from the block circuit breaker 11, and subsequently transmits by its mechanism 22, a second tripping order (arrow F3) to the auxiliary auxiliary block 14b. The latter finally transmits a third trip order (arrow F4) to the last auxiliary block 14c.
  • an auxiliary block 14 is interposed between the circuit breaker block 11 and a relay equipped with a transmission coil MX or with an undervoltage coil MN.
  • the tripping order sent by the relay (see arrow F5) is first transmitted to the auxiliary block 14, then to the circuit breaker block 11 (see arrow F6).
  • Such an association makes it possible to obtain an automatic circuit breaker 200 having a trip in cascade of the auxiliary block 14 and of the circuit breaker block 11 from the relay.
  • auxiliary blocks 14, 14a, 14b, 14c, and the relay at MX or MN are necessarily arranged to the left of the circuit breaker block 11.
  • a differential block 150 (shown in dotted lines) can be suitable for the right side of the circuit breaker block (11).

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  • Breakers (AREA)

Claims (6)

  1. Hilfsumschalter mit Schalt- und Meldefunktion, der als Modul oder Block (14) mit einem an einen Leistungsschalterblock (11) mit mehreren Polen (12) anreihbaren und ankoppelbaren Isolierstoffgehäuse (19) zur Bildung eines modularen Leistungsschalters (10, 100, 200) ausgeführt ist, wobei das Modul (14) des genannten Umschalters aus folgenden Teilen besteht:
    - einem ersten Hilfsschalter (24) mit einem Wechselkontakt (38, 40, 42) zur Signalisierung der Aus- bzw. Einschaltstellung der Kontakte des Leistungsschalters (11),
    - einem zweiten Meldeschalter (26) mit einem Wechselkontakt (50, 52, 54) zur Fehlermeldeanzeige bei Ausschalten durch automatische Auslösung des Leistungsschalterblocks (11),
    - einem Mechanismus (22) mit einem Kipphebel (20) zur gleichzeitigen Betätigung des ersten und des zweiten Schalters (24, 26), der mit dem Schaltmechanismus des Leistungsschalterblocks (11) über eine erste, mit der Verbindungsleiste (18) der Kipphebel (16) der einzelnen Pole (12) verbundene, mechanische Verbindung (28) und über eine zweite mechanische Auslöseverbindung (86) zusammenwirkt,
    - einem ersten Satz Anschlußklemmen (36, 46, 44), der in einem schmalen Seitenbereich des Gehäuses (19) angebracht und elektrisch mit den entsprechenden Kontakten (38, 42, 40) des ersten Hilfsschalters (24) verbunden ist,
    - einem zweiten Satz Anschlußklemmen (56, 58, 60), der im gegenüberliegenden schmalen Seitenbereich des Gehäuses (19) angebracht und elektrisch mit den entsprechenden Kontakten (50, 52, 54) des zweiten Meldeschalters (26) verbunden ist,
    - einer drehbar auf einer Achse (64) gelagerten Drehscheibe (62), die über eine Verklinkung (68) mit dem Kipphebel (20) des Antriebsmechanismus (22) des Umschalters mechanisch verbunden ist,
    - und einem von der zweiten mechanischen Verbindung (86) angesteuerten Auslösehebel (72) zur Umwandlung der Auslösebewegung des Leistungsschalterblocks (11) in eine Drehbewegung des Auslösehebels (72) in eine Ausgelöst-Stellung, wobei die Verklinkung (68) gelöst wird, dadurch gekennzeichnet, daß der erste Hilfsschalter (24) einen Kontaktarm (30) aufweist, der direkt mit der Drehscheibe (62) zusammenwirkt, die mit einer Energiespeicherfeder (90) verbunden ist, und daß der Kontaktarm (48) des zweiten Meldeschalters (26) auf einem Isolierstoff-Trägerhebel (94) montiert ist, der eingeschränkt drehbar auf der Achse (64) der Drehscheibe (62) gelagert ist, wobei der genannte Trägerhebel (94) eine Nase (104) aufweist, die mit einem drehbar auf der Achse (21) des Kipphebels (20) gelagerten Steuerhebel (106) zusammenwirkt, so daß bei manuellem Ausschalten des Leistungsschalters (10, 100, 200) ohne Fehleranlaß jegliche Bewegung des Trägerhebels (94) durch Blockieren der Nase (104) verhindert wird, wobei der zweite Hilfsschalter (26) in einer inaktiven Stellung verharrt, und bei Lösen der Verklinkung (68) durch ein automatisches Auslösen des Leistungsschalters eine Drehbewegung des Trägerhebels (94) zur Überführung des zweiten Hilfsschalters (26) in die aktive Fehlermeldestellung möglich ist.
  2. Hilfsumschalter nach Anspruch 1, dadurch gekennzeichnet, daß der Steuerhebel (106) mit einer kreisbogenförmigen Führungsbahn (110) versehen ist, die sich bei Drehung des Kipphebels (20) entlang der Nase (104) bewegt, wenn bei manuellem Ausschalten des Leistungsschalters die Drehung des Trägerhebels (94) verhindert wird.
  3. Hilfsumschalter nach Anspruch 2, dadurch gekennzeichnet, daß auf der Achse (21) des Kipphebels (20) eine Rückholfeder (108) angebracht ist, die den Steuerhebel (106) in Richtung der Nase (104) drückt, und daß der Trägerhebel (94) über eine an der Vorderseite des Gehäuses (19) sichtbare Fehlermelde-Anzeige (100) verfügt.
  4. Hilfsumschalter nach Anspruch 3, dadurch gekennzeichnet, daß die Fehlermelde-Anzeige (100) eine manuelle Rückstelleinrichtung für den Trägerhebel (94) besitzt, mit der der Kontaktarm (48) des zweiten Hilfs-Meldeschalters (26) von der aktiven in die inaktive Stellung überführt werden kann.
  5. Hilfsumschalter nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Drehscheibe (62) einen Anschlag (102) besitzt, der auf den Trägerhebel (94) drückt, so daß bei eingeschaltetem Leistungsschalter ein sicheres Verharren des Kontaktarms (48) des zweiten Hilfsschalters (26) in der inaktiven Stellung gewährleistet ist.
  6. Hilfsumschalter nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Speicherfeder (90) sich auf der der Verklinkung (68) gegenüberliegenden Seite der Achse (64) der Drehscheibe (62) befindet und den Kontaktarm (30) des ersten Hilfsschalters (24) zur Überführung in die Anzeigestellung freigibt, die der Offenstellung der Kontakte des Leistungsschalters (11) entspricht.
EP19890400062 1988-01-28 1989-01-10 Steuer- und Signalhilfsschalter für mehrpoligen Modulschalter Expired - Lifetime EP0326446B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8801151A FR2626714B1 (fr) 1988-01-28 1988-01-28 Commutateur auxiliaire de commande et de signalisation pour disjoncteur multipolaire modulaire
FR8801151 1988-01-28

Publications (2)

Publication Number Publication Date
EP0326446A1 EP0326446A1 (de) 1989-08-02
EP0326446B1 true EP0326446B1 (de) 1993-03-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890400062 Expired - Lifetime EP0326446B1 (de) 1988-01-28 1989-01-10 Steuer- und Signalhilfsschalter für mehrpoligen Modulschalter

Country Status (5)

Country Link
EP (1) EP0326446B1 (de)
JP (1) JP2933632B2 (de)
CN (1) CN1023673C (de)
DE (1) DE68905497T2 (de)
FR (1) FR2626714B1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2656155B1 (fr) * 1989-12-18 1992-03-06 Merlin Gerin Auxiliaire d'adaptation pour interrupteur differentiel multipolaire.
FR2722332B1 (fr) * 1994-07-06 1996-09-13 Schneider Electric Sa Bloc auxiliaire notamment de signalisation de l'etat de disjoncteurs
IT1271772B (it) * 1994-12-16 1997-06-09 Bticino Spa Apparecchiatura modulare ausiliaria di interruttori automatici di protezione di tipo modulare
IT1298785B1 (it) * 1998-03-24 2000-02-02 Abb Elettrocondutture Spa Dispositivo di segnalazione per interruttore magnetotermico
IT1298784B1 (it) * 1998-03-24 2000-02-02 Abb Elettrocondutture Spa Dispositivo di contatto ausiliario per interruttore magnetotermico
FR2777694B1 (fr) * 1998-04-17 2000-05-26 Schneider Electric Ind Sa Bloc auxiliaire de signalisation adaptable a un disjoncteur de protection
DE10216371A1 (de) * 2002-04-12 2003-10-23 Abb Patent Gmbh Hilfsschalter
DE10216439B4 (de) * 2002-04-12 2011-02-24 Abb Ag Hilfsschalter
FI116866B (fi) * 2004-01-19 2006-03-15 Abb Oy Kytkinlaitemoduuli
JP4600303B2 (ja) * 2006-01-25 2010-12-15 三菱電機株式会社 回路遮断装置
JP5014716B2 (ja) * 2006-09-22 2012-08-29 テンパール工業株式会社 回路遮断器
JP5014717B2 (ja) * 2006-09-22 2012-08-29 テンパール工業株式会社 回路遮断器
DE102007032841A1 (de) 2007-07-12 2009-01-15 Abb Ag Installationsschaltgerät mit Isolierstoffgehäuse
JP6163950B2 (ja) * 2013-08-06 2017-07-19 富士電機機器制御株式会社 回路遮断器
CN108807093B (zh) * 2017-05-04 2023-08-01 周思雨 一种微型断路器及其手自转换组件及手自转换方法
CN114783820B (zh) * 2022-04-07 2023-07-21 江苏威伦智能电气设备有限公司 一种可以同时闭锁手动电动分合闸功能的柱上真空断路器

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Publication number Priority date Publication date Assignee Title
DE3119165C2 (de) * 1981-05-14 1986-05-22 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Selbstschalter als Baueinheit aus einem Leitungsschutzschalter sowie Hilfs- und Signalschaltern
DE3320958A1 (de) * 1981-12-12 1984-12-13 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Hilfs- und signalschalter
DE8334014U1 (de) * 1983-11-26 1984-10-31 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Zusatzschalter zum Anbau an einen Leitungsschutzschalter

Also Published As

Publication number Publication date
FR2626714A1 (fr) 1989-08-04
EP0326446A1 (de) 1989-08-02
CN1023673C (zh) 1994-02-02
FR2626714B1 (fr) 1990-06-01
CN1036660A (zh) 1989-10-25
DE68905497T2 (de) 1993-10-21
DE68905497D1 (de) 1993-04-29
JPH01225030A (ja) 1989-09-07
JP2933632B2 (ja) 1999-08-16

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