EP3024008B1 - Elektrischer trennschalter, der einen auslöseblock umfasst - Google Patents

Elektrischer trennschalter, der einen auslöseblock umfasst Download PDF

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Publication number
EP3024008B1
EP3024008B1 EP15195074.8A EP15195074A EP3024008B1 EP 3024008 B1 EP3024008 B1 EP 3024008B1 EP 15195074 A EP15195074 A EP 15195074A EP 3024008 B1 EP3024008 B1 EP 3024008B1
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
lock
actuator
unit
breaker according
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
EP15195074.8A
Other languages
English (en)
French (fr)
Other versions
EP3024008A1 (de
Inventor
Willy Martin
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.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries SAS
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 Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Priority to PL15195074T priority Critical patent/PL3024008T3/pl
Publication of EP3024008A1 publication Critical patent/EP3024008A1/de
Application granted granted Critical
Publication of EP3024008B1 publication Critical patent/EP3024008B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating 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
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker
    • H01H71/0228—Mounting or assembling the different parts of the circuit breaker having provisions for interchangeable or replaceable parts
    • 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
    • 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
    • H01H71/123—Automatic release mechanisms with or without manual release using a solid-state trip unit
    • 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
    • H01H9/24—Interlocking, locking, or latching mechanisms for interlocking two or more parts of the mechanism for operating contacts

Definitions

  • the present invention relates to an electric circuit breaker including a trigger block.
  • an electric circuit breaker is equipped with a circuit breaker block, which includes fixed and movable pads and a control unit of the position of the mobile chip, and a trigger block.
  • a circuit breaker with different types of trip unit: for example a thermal, magnetic, differential or electronic trip unit.
  • An electronic trigger block is used to perform both the functions of the thermal trip unit and the magnetic trip unit by electronically processing the measurements made.
  • Such an electronic trip unit has a life shorter than that of the circuit breaker block. It is generally removable and is mounted in the circuit breaker when installing it. The circuit breaker can only perform its protection function if the trip unit is properly connected to the circuit breaker block. However, this approach does not prevent the breaker block from closing when the trigger block is missing or not properly connected.
  • the invention relates to an electric circuit breaker comprising a circuit breaker block, which includes at least one electrical conductor equipped with a first fixed patch.
  • the breaker block also includes a bridge equipped with at least a second wafer, the bridge being movable between a first position where the second wafer is in contact with the first wafer and a second position where the second wafer is removed from the first wafer.
  • the circuit breaker block also includes a mobile bridge control unit and an actuator of the control unit. This actuator is able to pass between an armed configuration where it activates the control unit and a disarmed configuration where it does not activate the control unit.
  • the circuit breaker unit includes a first electrical coupling module.
  • the electrical circuit breaker also includes a trip unit, which block includes an electronic trip circuit and a second electrical coupling module with the first circuit breaker block coupling module.
  • the trigger block is provided with a cocking latch of the actuator.
  • this lock is elastically loaded towards a first position where the actuator is in the disarmed configuration and is adapted to be pushed back to a second position where the actuator is in the armed configuration when the first and the second coupling module are electrically connected.
  • the invention a reliable and simple mechanical system is developed to ensure the protection of property and people.
  • the resulting mechanical system is simple, since the implementation element of the invention, that is to say the lock as such, is well known, easily used and low cost.
  • This system is also reliable, since the closing order of the pellets only occurs if the two control mechanisms, ie the latch and the actuator, are at the same time in the armed configuration for the actuator and the arming position for the lock. Closing the circuit breaker block without analysis by the trigger block is thus prevented.
  • an electric circuit breaker 2 comprising a circuit breaker block 4 and a trigger block 6.
  • the circuit breaker block 4 comprises a surface 40, a range 41 of incoming current and a range 42 of outgoing current.
  • the circuit breaker block 4 also comprises a fixed patch 44 electrically connected to the outgoing current range 42 via an electrical conductor 43.
  • the circuit breaker block 4 also comprises a bridge 46 equipped with a second wafer 48. The bridge 46 is movable between a first position where the second pad 48 is in contact with the first pad 44 and a second position where the second pad 48 is spaced from the first pad 44.
  • the second pad 48 is electrically connected with the input current range 41 via an electrical conductor 49.
  • the circuit breaker block 4 also comprises a control unit 50, which is configured to control the movement of the bridge 46.
  • the control unit 50 is able to move the bridge 46 from its first position to its second position and vice versa .
  • Connection means 56 provide a mechanical connection between an actuator 52 and the control unit 50.
  • the actuator 52 is an actuating lever.
  • X52 is an axis perpendicular to the plane of the figure 1 .
  • the actuating lever 52 is rotatable about the axis X52 and is able to pass between a configuration, called army, which is shown on the Figures 4 and 5 , where the lever 52 mechanically activates the control unit 50 and a configuration, said disarmed, which is shown on the Figures 2 and 3 , where the lever 52 does not activate the control unit 50.
  • a spring 54 in particular a compression spring, secured to the surface 40 of the circuit breaker block 4, mechanically loads the lever 52 towards its disarmed configuration. The spring 54 thus exerts a force E54 which tends to move the lever 52 to its disarmed configuration.
  • the circuit breaker block 4 is also equipped with an electrical coupling module 58, which module 58 is connected to the block 4 via a flexible electrical conductor 59.
  • the conductor 59 makes it possible to electrically connect the module 58 to the circuit breaker block. 4, while keeping a mobility of the module 58 relative thereto.
  • the circuit breaker unit 4 finally has on its surface 40 a tapped bore 45.
  • the trigger block 6 is provided with a surface 60 and a smooth bore 61 formed on its surface 60.
  • the trigger block 6 is equipped with an electronic trip circuit, which circuit is omitted on the Figures 1 to 5 for better clarity of the drawings.
  • the electronic triggering circuit has the function of measuring the electric current that passes between the incoming and outgoing ranges 42 of the circuit breaker 2 and comparing it to a defined value.
  • the circuit is configured to control the opening or not of the pellets 44 and 48 according to the result of the aforementioned comparison.
  • the triggering unit 6 is also equipped with an electrical coupling module 64, this module 64 being in electrical connection with the tripping circuit.
  • the module 64 is intended to connect electrically to the coupling module 58 of the circuit breaker block 4. Note T a connection path of the coupling modules 58 and 64.
  • the trigger unit 6 is also equipped with a recess 66 formed on the surface 60 of the block 6.
  • An arming lock 68 is mounted on the surface 60 of the triggering unit 6.
  • a lock body 68 delimited between two surfaces 68A and 68B perpendicular to the trajectory T is denoted 680.
  • a plane perpendicular to the trajectory T and passing through P is denoted P68. in the middle of the body 680.
  • the body 680 of the latch 68 has a generally rectangular-shaped section along the plane P68.
  • the cocking lock 68 is provided with a tab 72 projecting perpendicular to the body 680 and parallel to the plane P68.
  • the lock 68 is integral with a spring 70, such as a torsion spring, which is itself secured to the surface 60 of the trigger block 6.
  • X70 is a torsion axis of the spring 70.
  • the axis X70 is perpendicular to the plane P68 of the body 680 of the bolt 68.
  • the cocking bolt 68 is pivotable about the axis X70 between a first position, which is shown on the Figures 2 and 3 and where the actuating lever 52 is in the disarmed configuration, and a second position, which is shown on the Figures 4 and 5 and where the lever 52 is in armed configuration.
  • the first position is said disarming lever 52: in this position of the lock 68, the tab 72 is arranged on the path T.
  • the second position is said arming lever 52: the tab is outside the path T.
  • the torsion spring 70 resiliently loads the cocking lock 68 to its first position. The torsion spring 70 thus exerts a force E70 that tends to push the latch 68 towards its disarming position and, thus, to place the tab 72 on the connection path T.
  • a stop 74 is provided on the surface 60 of the trigger block 6, projecting perpendicularly to this surface.
  • the tab 72 is in abutment with the stop 74.
  • the stop 74 is configured to stop the latch 68 in its rotational stroke and avoid, for example, damage of the spring 70.
  • the trigger block 6 is configured to be mounted on the circuit breaker block 4, so that the surface 60 of the trigger block 6 bears against the surface 40 of the circuit breaker block 4.
  • the threaded bore 45 of the The circuit breaker block 4 is aligned with the smooth bore 61 of the trigger block 6.
  • a screw 22 is then provided to block the connection between the block 4 and the block 6.
  • the actuating lever 52 is in its disarmed position and is housed in the niche 66 of the triggering unit 6.
  • the coupling module 58 of the circuit breaker block 4 is not electrically connected to the coupling module 64 of the triggering unit 6.
  • the torsion spring 70 holds the cocking lock 68 in its disarming position. Since the latch 68 is in its disarming position, the tab 72 is on the connection path T of the coupling modules 58 and 64. As a result, the tab 72 of the latch 68 prevents the electrical connection between the coupling modules. 58 and 64.
  • the actuating lever 52 being in its disarmed position, the control unit 50 holds the bridge 46 in its second position where the mobile pellet 48 is spaced from the fixed pellet 44. No current can therefore pass between the current range. incoming 41 and the outgoing current range 42. The electric circuit breaker 2 is thus in its open configuration.
  • the operator In order to pass from the open configuration of the electric circuit breaker 2 to its closed configuration, the operator must manually move the lock 68 to its second position, by pressing on the tab 72, and connect the coupling module 58 of the circuit breaker block 4 to the coupling module 64 of the trip unit 6. Via the flexible conductor 59, the module 58 is movable relative to the circuit breaker block 4 and can thus be connected to the module 64.
  • the tab 72 which is driven by the operator until abutting against the stop 74, causes the rest of the lock 68 which pivots about the axis X70.
  • the module 58 opposes the force E70 of the spring 70 a force E58, which keeps the latch 68 in its arming position.
  • the body 680 of the cocking lock 68 closes the niche 66 of the circuit breaker block 6, so that the actuating lever 52 is pushed by the surface 68B of the body 680 towards its armed position.
  • the body 680 of the lock 68 opposes to the force E54 of the spring 54 a force E68 and keeps the lever 52 in its armed position.
  • the actuating lever 52 in its armed position acts mechanically on the control unit 50 via the connection means 56.
  • the control unit 50 can then move the bridge 46 to its first position where the mobile pellet 48 is in contact with the fixed patch 44.
  • An electric current can thus pass between the inward current ranges 41 and the outgoing current range 42.
  • the electric circuit breaker 2 is thus in its closed configuration.
  • the circuit breaker 2 is configured to move the bridge 46 to its second position where the pellets 44 and 48 are spaced apart.
  • the circuit breaker interrupts any current flow between the tracks 41 and 42.
  • the latch 68 moves to its first position and the lever 52 moves to the disarmed position. and mechanically acts on the control unit 50 to immediately move the bridge 64 by cutting the current flow between the lands 41 and 42.
  • the function of the trigger block 6 is also ensured in the case of rupture of a part of the lock 68.
  • the connection of the modules 58 and 64 does not cause the lever 52 to move to its armed position by the surface 68B of the lock 68.
  • the control unit 50 thus keeps the circuit breaker 2 in its open configuration.

Landscapes

  • Breakers (AREA)

Claims (10)

  1. Elektrische Unterbrechervorrichtung (2), umfassend:
    - einen Unterbrecherblock (4), der einschließt:
    - mindestens einen elektrischen Leiter (43, 49), der mit einer ersten feststehenden Kontaktstelle (44) ausgerüstet ist,
    - eine Brücke (46), die mit mindestens einer zweiten Kontaktstelle (48) ausgerüstet ist und zwischen einer ersten Stellung, in der die zweite Kontaktstelle in Kontakt mit der ersten Kontaktstelle ist, und einer zweiten Stellung, in der die zweite Kontaktstelle von der ersten Kontaktstelle entfernt ist, beweglich ist,
    - eine Einheit (50) zum Steuern der beweglichen Brücke,
    - ein Betätigungselement (52) der Steuereinheit, wobei dieses Betätigungselement geeignet ist, zwischen einer gespannten Stellung, in der es die Steuereinheit aktiviert, und einer entspannten Stellung, in der es die Steuereinheit nicht aktiviert, überzugehen, und
    - ein erstes Modul (58) zur elektrischen Kopplung; und
    - einen Auslöseblock (6), der einschließt:
    - einen elektronischen Auslöserkreis,
    - ein zweites Modul (64) zur elektrischen Kopplung mit dem ersten Kopplungsmodul des Unterbrecherblocks,
    wobei die Unterbrechervorrichtung dadurch gekennzeichnet ist, dass der Auslöseblock (6) mit einem Riegel (68) zum Spannen des Betätigungselements (52) versehen ist, wobei dieser Riegel:
    - elastisch in eine erste Position vorgespannt ist, in der das Betätigungselement in seiner entspannten Stellung ist, und
    - angepasst ist, in eine zweite Position geschoben zu werden, in der er das Betätigungselement in die gespannte Stellung bringt, wenn das erste und das zweite Kopplungsmodul (58, 64) elektrisch verbunden sind.
  2. Unterbrechervorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Spannriegel (68) zwischen seiner ersten Position und seiner zweiten Position um eine Drehachse (X70) parallel zu einem Verbindungsweg (T) zwischen dem ersten und zweiten Kopplungsmodul (58, 64) schwenkbar ist.
  3. Unterbrechervorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Spannriegel (68) zwischen seiner ersten Position und seiner zweiten Position translatorisch beweglich ist.
  4. Unterbrechervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Auslöseblock (6) mit einer Ausnehmung (66) zur Aufnahme des Betätigungselements (52) versehen ist und dass die Ausnehmung das Betätigungselement aufnimmt, wenn der Spannriegel (68) in seiner ersten Position ist.
  5. Unterbrechervorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass der Spannriegel (68) die Aufnahmeausnehmung (66) verschließt, wenn er in seiner zweiten Position ist, und verhindert, dass das Betätigungselement (52) darin unterkommt.
  6. Unterbrechervorrichtung nach einem der Ansprüche 4 oder 5, dadurch gekennzeichnet, dass der Spannriegel (68) mit einem Ansatz (72) versehen ist, wobei der Ansatz auf dem Verbindungsweg (T) zwischen dem ersten und dem zweiten Kopplungsmodul (58, 64) liegt, wenn der Riegel in seiner ersten Position ist.
  7. Unterbrechervorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass der Ansatz (72) gegen einen Anschlag (74) des Auslöseblocks (6) in Anlage gebracht wird, wenn der Riegel (68) in seiner zweiten Position ist.
  8. Unterbrechervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass bei der elektrischen Verbindung zwischen dem ersten und dem zweiten Kopplungsmodul (58, 64) der Riegel (68) manuell in seine zweite Position verschiebbar ist.
  9. Unterbrechervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Auslöseblock (6) mit einer Feder (70) versehen ist, um elastisch den Spannriegel (68) vorzuspannen.
  10. Unterbrechervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Kopplungsmodul (58) des Unterbrecherblocks (4) von dem Unterbrecherblock in verschiebbarer Weise getragen wird.
EP15195074.8A 2014-11-19 2015-11-18 Elektrischer trennschalter, der einen auslöseblock umfasst Active EP3024008B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15195074T PL3024008T3 (pl) 2014-11-19 2015-11-18 Wyłącznik elektryczny zawierający zespół zwalniający

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1461176A FR3028661B1 (fr) 2014-11-19 2014-11-19 Disjoncteur electrique incluant un bloc declencheur

Publications (2)

Publication Number Publication Date
EP3024008A1 EP3024008A1 (de) 2016-05-25
EP3024008B1 true EP3024008B1 (de) 2017-07-26

Family

ID=52477863

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15195074.8A Active EP3024008B1 (de) 2014-11-19 2015-11-18 Elektrischer trennschalter, der einen auslöseblock umfasst

Country Status (6)

Country Link
US (1) US9691568B2 (de)
EP (1) EP3024008B1 (de)
CN (1) CN105609381B (de)
ES (1) ES2644507T3 (de)
FR (1) FR3028661B1 (de)
PL (1) PL3024008T3 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017211552A1 (de) * 2017-07-06 2019-01-10 Siemens Aktiengesellschaft Elektronische Auslöseeinheit und Modul

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2703506B1 (fr) * 1993-04-01 1995-05-12 Merlin Gerin Disjoncteur comportant un dispositif de raccordement de déclencheurs.
FR2756095B1 (fr) 1996-11-15 1998-12-24 Schneider Electric Sa Disjoncteur avec un bloc disjoncteur et des modules de traitement, de calibrage et de communication
FR2832559B1 (fr) * 2001-11-16 2004-01-16 Schneider Electric Ind Sa Module de commande et de protection d'un appareil interrupteur
FR2842645B1 (fr) * 2002-07-17 2004-09-10 Schneider Electric Ind Sa Interrupteur muni d'un dispositif de declenchement
US8614618B2 (en) * 2004-09-13 2013-12-24 Cooper Technologies Company Fusible switching disconnect modules and devices with multi-functional trip mechanism
CN1971798A (zh) * 2006-12-05 2007-05-30 上海电器科学研究所（集团）有限公司 带有锁定装置的开关操作机构
GB0915379D0 (en) * 2009-09-03 2009-10-07 Deepstream Technologies Ltd Miniature circuit breaker
US8476992B2 (en) * 2011-10-07 2013-07-02 Siemens Industry, Inc. Circuit breaker having an unlocking mechanism and methods of operating same
US8836453B2 (en) * 2011-10-07 2014-09-16 Siemens Industry, Inc. Electronic circuit breaker, electronic circuit breaker subassembly, circuit breaker secondary electrical contact assembly, and powering methods

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
FR3028661A1 (fr) 2016-05-20
PL3024008T3 (pl) 2018-02-28
EP3024008A1 (de) 2016-05-25
ES2644507T3 (es) 2017-11-29
CN105609381A (zh) 2016-05-25
FR3028661B1 (fr) 2016-12-30
US20160141121A1 (en) 2016-05-19
US9691568B2 (en) 2017-06-27
CN105609381B (zh) 2019-06-14

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