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EP0394144A1 - Hilfsschalter mit manueller Überprüfung für einen modularen Schutzschalter - Google Patents

Hilfsschalter mit manueller Überprüfung für einen modularen Schutzschalter Download PDF

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Publication number
EP0394144A1
EP0394144A1 EP90420156A EP90420156A EP0394144A1 EP 0394144 A1 EP0394144 A1 EP 0394144A1 EP 90420156 A EP90420156 A EP 90420156A EP 90420156 A EP90420156 A EP 90420156A EP 0394144 A1 EP0394144 A1 EP 0394144A1
Authority
EP
European Patent Office
Prior art keywords
lever
test
circuit breaker
switch
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.)
Granted
Application number
EP90420156A
Other languages
English (en)
French (fr)
Other versions
EP0394144B1 (de
Inventor
Xavier Merlin Gerin Herreros
Jean-Pierre Merlin Gerin Guintini
Jacques Merlin Gerin Buisson
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 EP0394144A1 publication Critical patent/EP0394144A1/de
Application granted granted Critical
Publication of EP0394144B1 publication Critical patent/EP0394144B1/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 invention relates to a modular auxiliary switch with an insulating housing capable of being coupled and coupled to a circuit breaker block, said switch comprising: - a lever and accumulator spring control mechanism, - a first and / or a second switch cooperating with said mechanism to reflect the open or closed position of the main contacts of the circuit breaker block, and / or to signal the opening on fault by automatic tripping of the circuit breaker block, each switch being of the reversing type comprising a pair of fixed contacts and a movable contact cooperating alternately with one of said fixed contacts, - a first and / or a second set of terminals for connection to at least one external electrical control and signaling circuit, - And a manual test device with test button capable of being actuated to check the operation of the members inserted in said external circuit, without change of state of the circuit breaker block.
  • test button cooperates with the switch control mechanism to perform the test function associated with an auxiliary external circuit.
  • the status of the circuit breaker block was not affected by the test, but a local reset of the switch control mechanism is essential after the test.
  • test device comprises a push button which acts on a transmission lever cooperating with a slide support for mobile contacts.
  • a first return spring is associated with the slide, and a second return spring is assigned to the push button.
  • the object of the invention is to simplify the implementation of the test function of an auxiliary switch for a modular circuit breaker.
  • the switch according to the invention is characterized in that the test device comprises an actuating lever acting directly on at least one of the movable contacts to cause the forced switching of the corresponding switch, independently of the control mechanism which remains stationary, and that said lever is pivotally mounted on an axis between an active test position and an inactive position, the test button being arranged at one end of said lever, while the other end drives the movable contact towards the contact fixed opposite during the test operation.
  • the return of the test lever to the inactive position is effected automatically by a single return spring.
  • the control mechanism of the switch remains stationary during the test, which avoids any subsequent reset.
  • test function according to the invention can be implemented in four types of auxiliary switches, in particular a combined SD / OF switch, a single SD switch, a single OF switch, and a double OF / OF switch.
  • test button on the control lever is located at a predetermined location on the housing, made inaccessible after fitting a faceplate.
  • test is then accessible to the installer, but not to the customer.
  • the pivot axis of said lever is in the vicinity of an internal ramp of the lever, the depression of the test button causing the forced displacement of the movable contact towards the opposite fixed contact of the second switch, so as to simulate in said external circuit tripping of the circuit breaker block, without interrupting the main circuit.
  • the test button of the support lever belonging to the test device is arranged on the side of the handle on the front face of the housing.
  • the support lever has a tab located opposite the test button to drive the movable contact to the fixed contact of the first switch, so as to simulate a closure in the corresponding external circuit, while the circuit breaker block remains open during this OF test.
  • the support lever acts simultaneously on the two movable contacts of the switches, to ensure a double closing test on two independent auxiliary circuits, while the circuit breaker block remains open.
  • a double SD / OF control and signaling switch 10 is configured as an auxiliary module, capable of being coupled and coupled to a circuit breaker block (not shown).
  • the switch 10 is housed in an insulating box 12, and is composed of an auxiliary switch 14 for the OF function and a signaling switch 16 for the SD function actuated by a control mechanism 18 with lever 19, described in detail in the french patent application No. 8,801,151.
  • the first auxiliary switch 14 is equipped with a reversing contact system 20,22,24, intended to reflect the open or closed position of the main contacts of the circuit breaker block (OF function).
  • the contact system comprises a movable contact 24 in the form of a pin cooperating alternately with two fixed contacts 20, 22, the assembly being in electrical connection with a first set of connection terminals 26, 28, 30 located on one of the narrow side faces of the housing 12.
  • the second signaling switch 16 also includes a reversing contact system 32,34,36 having a movable contact arm 32 with double contact cooperating with two fixed contacts 34,36, all of these contacts being in electrical connection with a second set of terminals 38, 40, 42 arranged on the other opposite narrow side face of the housing 12.
  • the state of the second switch 16 makes it possible to signal the opening on fault by automatic tripping of the circuit breaker block (SD function). Only terminal 38 is shown in detail, the other five terminals are represented by their contact pads.
  • the mechanism 18 is composed of a movable plate 44, of insulating material mounted with limited pivoting on a fixed axis 46.
  • the plate 44 is mechanically connected to the lever 19 by means of a transmission link 48 and a latch 50 formed by a latching lever 52 cooperating with a trigger lever 54.
  • the trigger lever 54 is pivotally mounted between an armed position and a triggered position.
  • One end of the double trigger lever 54 makes it possible to establish or break the coupling 50 with the latching lever 52, and the other end is capable of being actuated by the trigger bar incorporated in the circuit breaker block switching mechanism.
  • the lower end of the plate 44 carries a cleat 56 coming into engagement with the intermediate part of the movable contact 24 of the auxiliary switch 14 in the closed position of the circuit breaker block.
  • a traction accumulator spring 58 is hooked between the cleat 56 and a fixed point 60 of the housing 12, so as to cause the pivoting of the plate 44 in the counterclockwise direction after breaking of the coupling 50 following a fault.
  • the accumulator spring 58 serves as an actuating spring for the mechanism 18.
  • a support lever 62 On the axis 46 of the plate 44 is mounted a support lever 62 having a first lower branch serving as a contact carrier for the contact arm 32 of the signaling switch 16, and a second upper branch cooperating with a signaling device 63 A stop 64 of the plate 44 bears on the support lever 62 in the closed position of the circuit breaker block, ensuring positive locking of the contact 32 against the fixed contact 34.
  • the support lever 62 is provided with another projecting branch 66 capable of cooperating with a circular ramp 68 secured to the base of the lever 20.
  • the operation of the double SD / OF switch 10 of FIG. 1 is clear from the aforementioned patent application 8801151, and it suffices to recall that during an automatic opening on fault, the trip bar of the circuit breaker block causes the displacement towards the triggered position of the trigger lever 54, causing the latching 50 to break. Under the spring action 58, the plate 44 and the support lever 62 move the two contact arms 24, 32, respectively engagement against stationary contacts 22.36.
  • the first auxiliary switch 14 indicates the opening of the main contacts of the circuit breaker block, and the second switch 16 signals the automatic opening following a fault which has caused a trip. This fault is physically signaled on the front panel by the signaling device 63.
  • the handle 19 of the mechanism 18 which is coupled to that of the circuit breaker block, moves from the closed position F to the open position O (see arrow in figure 1), by driving the ramp 68 in the direction of the projection 66.
  • the support lever 62 is then immobilized in rotation by positive locking of the projection 66.
  • the movable contact 32 of the second switch 16 remains in engagement against the fixed contact 34, and does not indicate a fault.
  • the first switch 14 changes position following the pivoting of the plate 44 imposed by the link 48.
  • the movable contact 24 is switched to the fixed contact 22, so as to indicate the manual opening of the circuit breaker block.
  • the switch 10 in FIG. 1 is provided with a test device 70 SD having a control lever 72 pivotally mounted on an axis 74 between an active position and an inactive position.
  • One end of the lever 72 is arranged as a test button 76, the depression of which causes the tilting in the trigonometric direction of the lever 72 towards the active position, against the return force of an elastic tongue 78.
  • the latter constitutes a return spring of the lever 72 to the inactive position ( Figure 1).
  • the free end of the lever 72 opposite the test button 76 is capable of acting directly on the blade of the contact arm 32 of the second signaling switch 16 when the lever 72 is actuated by the test button 76 towards the position active.
  • the SD test does not act on the state of the first switch 14, but makes it possible to verify the operation of the external SD circuit connected to the second set of terminals 38, 40, 42 of the switch 16, without however causing a forced trip. of the circuit breaker block.
  • the contact arm 32 is switched in the direction of the arrow T1 towards the fixed contact 36, (see position in dotted lines), and the rest of the mechanism 18 does not move.
  • the position of the support lever 62, the plate 44 and the lever 19 is not changed.
  • the signaling device 63 also remains inactive after the SD test. As a result, the SD test operation does not require local resetting of the mechanism 18 or resetting of the display device 63.
  • the circuit breaker block remains closed during the SD test operation, thereby preventing any interruption of the power circuit.
  • the SD test is used to check the operation of the automations connected in the external SD circuit. This control generally occurs during the installation of an electrical box, and is carried out by the installer before the installation of the faceplate 80.
  • the internal location of the control lever 72 of the test in the housing 12 is chosen so that the test button 76 is hidden by the front plate 80 of the box. After the final assembly of the box, the customer does not have access to the test button 76, and to the two sets of terminals.
  • the axis 74 of the control lever 72 is located under the ramp 68 of the lever 19.
  • FIG. 2 relates to a simple switch 100 SD, in which the OF circuit of the first auxiliary switch 14 in FIG. 1 has been deleted with the first set of associated terminals. The rest of the mechanism 18 is preserved, as well as the test device 70, the control lever 72 of which acts directly on the blade of the movable contact 32 of the switch 16 (see arrow T1).
  • the SD test operation is identical to that of the device in FIG. 1.
  • the simple switch 110 OF in FIG. 3 is provided with the switch 14.
  • the mechanism 118 has also been modified, in particular the arrangement of the support lever 62 with the removal of the projection 66, and the addition of a tab 112 lower which cooperates directly with the movable contact 24 of the switch 14.
  • the second switch 16 is eliminated in this variant.
  • the support lever 62 advantageously serves as a control lever for a test device 170 OF, the test button 176 of which, located opposite the tab 112, is coincident with the signaling device 63 of FIG. 1 or 2.
  • the purpose of this OF test consists in testing the automatic devices connected in the OF circuit of the first set of terminals 26,28,30, without closing the main circuit of the circuit breaker block.
  • the OF test function on the switch 110 in FIG. 3 is carried out as follows:
  • the circuit breaker block is in the open position, and the movable contact 24 of the switch 14 is against the fixed contact 22.
  • the OF test operation causes the OF auxiliary circuit to close, while the main circuit of the circuit breaker block remains open.
  • a return spring 178 automatically biases the lever 62 towards the inactive position when the test button 176 is released.
  • a double OF / OF switch 200 comprises the two switches 14, 16 with the mechanism 118 of FIG. 3.
  • the movable contact 32 of the second switch 16 is secured to the support lever 44.
  • the test operation operates in a manner identical to that of the preceding switch 110, but in this case, the lever 62 of the test acts simultaneously on the two movable contacts 32, 24 to drive them in the direction of the arrows T2 towards the fixed contacts 34, 20.
  • the actuation of the test button 176 towards the active position then causes a simultaneous OF test on two independent auxiliary circuits, without requiring the closing of the circuit breaker block, and a local reset of the mechanism 118.

Landscapes

  • Breakers (AREA)
  • Push-Button Switches (AREA)
EP19900420156 1989-04-20 1990-03-29 Hilfsschalter mit manueller Überprüfung für einen modularen Schutzschalter Expired - Lifetime EP0394144B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8905389A FR2646282B1 (fr) 1989-04-20 1989-04-20 Commutateur auxiliaire a test manuel pour disjoncteur modulaire
FR8905389 1989-04-20

Publications (2)

Publication Number Publication Date
EP0394144A1 true EP0394144A1 (de) 1990-10-24
EP0394144B1 EP0394144B1 (de) 1994-12-28

Family

ID=9381039

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900420156 Expired - Lifetime EP0394144B1 (de) 1989-04-20 1990-03-29 Hilfsschalter mit manueller Überprüfung für einen modularen Schutzschalter

Country Status (4)

Country Link
EP (1) EP0394144B1 (de)
DE (1) DE69015415T2 (de)
ES (1) ES2068365T3 (de)
FR (1) FR2646282B1 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996028836A1 (de) * 1995-03-15 1996-09-19 Felten & Guilleaume Austria Ag Zusatzschalter
EP0949646A2 (de) * 1998-03-24 1999-10-13 ABB Elettrocondutture S.p.A. Zusatzgerät für thermomagnetischer Schutzschalter
EP0949645A2 (de) * 1998-03-24 1999-10-13 ABB Elettrocondutture S.p.A. Hilfskontakteinrichtung für magnetothermische Schutzschalter
US6239395B1 (en) * 1999-10-14 2001-05-29 General Electric Company Auxiliary position switch assembly for a circuit breaker
US6242453B1 (en) 1999-02-22 2001-06-05 Boehringer Ingelheim Pharmaceuticals, Inc Polycyclo heterocyclic derivatives as antiinflammatory agents
ES2157161A1 (es) * 1999-07-15 2001-08-01 Power Controls Iberica Sl Mecanismo de disparo para interruptores automaticos.
EP1353349A2 (de) * 2002-04-12 2003-10-15 ABB PATENT GmbH Hilfsschalter
EP2911176A1 (de) * 2014-02-17 2015-08-26 Abb Ag Hilfsschalter mit Test-Taste

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US6114641A (en) 1998-05-29 2000-09-05 General Electric Company Rotary contact assembly for high ampere-rated circuit breakers
US6087913A (en) 1998-11-20 2000-07-11 General Electric Company Circuit breaker mechanism for a rotary contact system
US6037555A (en) 1999-01-05 2000-03-14 General Electric Company Rotary contact circuit breaker venting arrangement including current transformer
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US6268991B1 (en) 1999-06-25 2001-07-31 General Electric Company Method and arrangement for customizing electronic circuit interrupters
US6218917B1 (en) 1999-07-02 2001-04-17 General Electric Company Method and arrangement for calibration of circuit breaker thermal trip unit
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DE8802393U1 (de) * 1988-02-24 1988-05-11 Lindner GmbH Fabrik elektrischer Lampen und Apparate, 96052 Bamberg Aus Haupt- und Hilfsschalter bestehende Schalterkombination
EP0303965A2 (de) * 1987-08-17 1989-02-22 Asea Brown Boveri Aktiengesellschaft Elektrisches Schaltgerät

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0303965A2 (de) * 1987-08-17 1989-02-22 Asea Brown Boveri Aktiengesellschaft Elektrisches Schaltgerät
DE8802393U1 (de) * 1988-02-24 1988-05-11 Lindner GmbH Fabrik elektrischer Lampen und Apparate, 96052 Bamberg Aus Haupt- und Hilfsschalter bestehende Schalterkombination

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU697688B2 (en) * 1995-03-15 1998-10-15 Felten & Guilleaume Austria Ag Auxiliary switch
WO1996028836A1 (de) * 1995-03-15 1996-09-19 Felten & Guilleaume Austria Ag Zusatzschalter
EP0949646A2 (de) * 1998-03-24 1999-10-13 ABB Elettrocondutture S.p.A. Zusatzgerät für thermomagnetischer Schutzschalter
EP0949645A2 (de) * 1998-03-24 1999-10-13 ABB Elettrocondutture S.p.A. Hilfskontakteinrichtung für magnetothermische Schutzschalter
EP0949646A3 (de) * 1998-03-24 2000-04-26 ABB Elettrocondutture S.p.A. Zusatzgerät für thermomagnetischer Schutzschalter
EP0949645A3 (de) * 1998-03-24 2000-04-26 ABB Elettrocondutture S.p.A. Hilfskontakteinrichtung für magnetothermische Schutzschalter
US6242453B1 (en) 1999-02-22 2001-06-05 Boehringer Ingelheim Pharmaceuticals, Inc Polycyclo heterocyclic derivatives as antiinflammatory agents
ES2157161A1 (es) * 1999-07-15 2001-08-01 Power Controls Iberica Sl Mecanismo de disparo para interruptores automaticos.
US6239395B1 (en) * 1999-10-14 2001-05-29 General Electric Company Auxiliary position switch assembly for a circuit breaker
EP1353349A2 (de) * 2002-04-12 2003-10-15 ABB PATENT GmbH Hilfsschalter
EP1353349A3 (de) * 2002-04-12 2005-04-20 ABB PATENT GmbH Hilfsschalter
DE10216439B4 (de) * 2002-04-12 2011-02-24 Abb Ag Hilfsschalter
EP2911176A1 (de) * 2014-02-17 2015-08-26 Abb Ag Hilfsschalter mit Test-Taste

Also Published As

Publication number Publication date
FR2646282A1 (fr) 1990-10-26
DE69015415T2 (de) 1995-07-13
EP0394144B1 (de) 1994-12-28
FR2646282B1 (fr) 1996-03-22
ES2068365T3 (es) 1995-04-16
DE69015415D1 (de) 1995-02-09

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