EP1137038A3 - Switching shaft unit for a switch - Google Patents

Switching shaft unit for a switch Download PDF

Info

Publication number
EP1137038A3
EP1137038A3 EP01106654A EP01106654A EP1137038A3 EP 1137038 A3 EP1137038 A3 EP 1137038A3 EP 01106654 A EP01106654 A EP 01106654A EP 01106654 A EP01106654 A EP 01106654A EP 1137038 A3 EP1137038 A3 EP 1137038A3
Authority
EP
European Patent Office
Prior art keywords
contact element
axle
dead point
bias
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
EP01106654A
Other languages
German (de)
French (fr)
Other versions
EP1137038A2 (en
EP1137038B1 (en
Inventor
Rolf-Dieter Bauer
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.)
AEG Niederspannungstechnik GmbH and Co KG
Original Assignee
AEG Niederspannungstechnik GmbH and Co KG
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 AEG Niederspannungstechnik GmbH and Co KG filed Critical AEG Niederspannungstechnik GmbH and Co KG
Publication of EP1137038A2 publication Critical patent/EP1137038A2/en
Publication of EP1137038A3 publication Critical patent/EP1137038A3/en
Application granted granted Critical
Publication of EP1137038B1 publication Critical patent/EP1137038B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/04—Contacts
    • H01H73/045—Bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H01H1/2041—Rotating bridge
    • H01H1/205—Details concerning the elastic mounting of the rotating bridge in the rotor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H01H1/2041—Rotating bridge
    • H01H1/2058—Rotating bridge being assembled in a cassette, which can be placed as a complete unit into a circuit breaker
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
    • H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
    • H01H77/10—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening
    • H01H77/102—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by special mounting of contact arm, allowing blow-off movement
    • H01H77/104—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by special mounting of contact arm, allowing blow-off movement with a stable blow-off position

Landscapes

  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Vehicle Body Suspensions (AREA)
  • Switches With Compound Operations (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Abstract

The unit has an S-shaped contact element rotatably mounted on an axle, operated in the closing direction by a bias element acting essentially perpendicularly to the axle and a joint element actuated by it and engaging near the apex of the contact element and in the opening direction when a dead point has been passed. The contact element has a control contour for engagement with the bias element during opening and before reaching the dead point. The unit has an S-shaped contact element (2) rotatably mounted on an axle (3), operated in the closing direction by a bias element (19) acting essentially perpendicularly to the axle and a joint element (23) actuated by it and engaging near the apex of the contact element and in the opening direction when a dead point (A) has been passed. The contact element has a control contour (25) on the side facing the bias element for engagement with the bias element during opening and before reaching the dead point.
EP01106654A 2000-03-17 2001-03-16 Switching shaft unit for a switch Expired - Lifetime EP1137038B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10013160A DE10013160B4 (en) 2000-03-17 2000-03-17 Switch shaft unit for a switch
DE10013160 2000-03-17

Publications (3)

Publication Number Publication Date
EP1137038A2 EP1137038A2 (en) 2001-09-26
EP1137038A3 true EP1137038A3 (en) 2003-03-19
EP1137038B1 EP1137038B1 (en) 2007-05-16

Family

ID=7635199

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01106654A Expired - Lifetime EP1137038B1 (en) 2000-03-17 2001-03-16 Switching shaft unit for a switch

Country Status (4)

Country Link
EP (1) EP1137038B1 (en)
AT (1) ATE362645T1 (en)
DE (2) DE10013160B4 (en)
ES (1) ES2286051T3 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20012327A1 (en) * 2001-11-06 2003-05-06 Abb Service Srl LOW VOLTAGE SWITCH
DE102005050705B4 (en) * 2005-10-05 2008-07-31 Moeller Gmbh Contact system for a low-voltage switch
DE102006012125B3 (en) * 2006-03-09 2007-11-15 Siemens Ag Electrical switchgear, has coupling unit and multi-coupling rod, where mechanical connections between unit and rod enable movement of unit independent of movement of rod, and drive strand for operating movable contact
DE102007040163A1 (en) 2007-08-21 2009-02-26 Siemens Ag Switching device with a switching shaft for mounting a rotary contact bridge and multi-pole switching device arrangement
DE102008007364A1 (en) 2008-01-30 2009-08-27 Siemens Aktiengesellschaft Rotary contact system for circuit-breaker, has metal strip comprising curved contact end bent to loop such that end piece is plunged into recess, which lies opposite to movable switching contact
DE102008007363A1 (en) 2008-01-30 2009-08-06 Siemens Aktiengesellschaft Rotary contact system for a switching device and switching devices with such a rotary contact system
DE102008007365A1 (en) 2008-01-30 2009-08-06 Siemens Aktiengesellschaft Three-pole switching device i.e. molded case circuit breaker power switching device, has contact spring elements tiltably mounted for purpose of three-point mounting in support point in selector shaft segment and connected with contact arms
DE102008037967A1 (en) 2008-08-13 2010-02-18 Siemens Aktiengesellschaft Rotary contact system for power switching device, has spring gripping molded inner contour of recess in spring loaded condition such that arms are provided with slack point characteristic during rotational motion relative to shaft segments
DE102011081102A1 (en) * 2011-08-17 2013-02-21 Siemens Aktiengesellschaft Electric switch
GB2576338A (en) * 2018-08-15 2020-02-19 Eaton Intelligent Power Ltd Switching device and method for operating a switching device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5310971A (en) * 1992-03-13 1994-05-10 Merlin Gerin Molded case circuit breaker with contact bridge slowed down at the end of repulsion travel
EP0889498A2 (en) * 1997-07-02 1999-01-07 AEG Niederspannungstechnik GmbH & Co. KG Rotary contact assembly for high ampere-rated circuit breakers
WO1999062092A1 (en) * 1998-05-29 1999-12-02 General Electric Company Rotary contact assembly for high ampere-rated circuit breakers
US6310307B1 (en) * 1999-12-17 2001-10-30 General Electric Company Circuit breaker rotary contact arm arrangement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19903911B4 (en) * 1999-02-01 2004-09-23 Ge Power Controls Polska Sp.Z.O.O. Tripping device for switches and switch contact arrangement
DE19933919B4 (en) * 1999-07-20 2009-09-10 Aeg Niederspannungstechnik Gmbh & Co Kg Movable contact with low electrical resistance

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5310971A (en) * 1992-03-13 1994-05-10 Merlin Gerin Molded case circuit breaker with contact bridge slowed down at the end of repulsion travel
EP0889498A2 (en) * 1997-07-02 1999-01-07 AEG Niederspannungstechnik GmbH & Co. KG Rotary contact assembly for high ampere-rated circuit breakers
WO1999062092A1 (en) * 1998-05-29 1999-12-02 General Electric Company Rotary contact assembly for high ampere-rated circuit breakers
US6310307B1 (en) * 1999-12-17 2001-10-30 General Electric Company Circuit breaker rotary contact arm arrangement

Also Published As

Publication number Publication date
ATE362645T1 (en) 2007-06-15
EP1137038A2 (en) 2001-09-26
DE10013160B4 (en) 2006-07-06
DE10013160A1 (en) 2001-10-04
EP1137038B1 (en) 2007-05-16
DE50112498D1 (en) 2007-06-28
ES2286051T3 (en) 2007-12-01

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