EP1137038A2 - Unité d'arbre de commande pour un interrupteur - Google Patents

Unité d'arbre de commande pour un interrupteur Download PDF

Info

Publication number
EP1137038A2
EP1137038A2 EP01106654A EP01106654A EP1137038A2 EP 1137038 A2 EP1137038 A2 EP 1137038A2 EP 01106654 A EP01106654 A EP 01106654A EP 01106654 A EP01106654 A EP 01106654A EP 1137038 A2 EP1137038 A2 EP 1137038A2
Authority
EP
European Patent Office
Prior art keywords
contact element
shaft unit
switching shaft
unit according
dead center
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)
English (en)
Other versions
EP1137038A3 (fr
EP1137038B1 (fr
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/fr
Publication of EP1137038A3 publication Critical patent/EP1137038A3/fr
Application granted granted Critical
Publication of EP1137038B1 publication Critical patent/EP1137038B1/fr
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
    • 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

Definitions

  • the invention relates to a switching shaft unit for a switch.
  • a switching shaft unit which is in a in Fig. 5 switch 1 shown is installed.
  • This switch has 1 a movable contact 2, which is rotatable on the axis 3 a control shaft 4 is mounted and together with this forms a switching shaft unit.
  • the control shaft 4 is even stored in a pole track housing, not shown and has two diametrically opposed satellite axes 5 and 6, when the selector shaft 4 rotates about the axis 3 can also be rotated.
  • Axis 5 is the point of attack for a hinge mechanism 7 which is connected to a ratchet lever 8 connected is.
  • the pawl lever 8 is on a Switch housing 9 positioned axis 10 pivotable stored and is in the event of an overcurrent or short circuit of a key switch 11 released to the in Fig. 5th shown separate state of the contact 2 to enable.
  • the switch lock 11 is in turn through a release lever 13 pivotable about an axis of rotation 12 actuatable.
  • the object of the invention is to provide a switching shaft unit for to provide a switch, the one has improved functionality.
  • a switching shaft unit shown in Figures 1 and 2 has a contact element 2, which is mounted on an axis 3 and is S-shaped.
  • the contact element 2 is in one in the center of the body 4 of the shift shaft unit trained slot 15 added.
  • At the extent of Switch shaft body 4 are two diametrically opposed to each other arranged slots 17 formed in which there are two Pins 19 extending parallel to one another are included are.
  • the pins 19 are at their opposite ends each with a spring 18 against each other and thus against applied to the bottoms of the slots 17.
  • the spring is located itself on the outside of the drum-like Switch shaft body 4 and are therefore only in the illustration 2 can be seen.
  • the contact element 2 In the area of the apex of the S-shaped contact element 2 is one penetrating the contact element 2 Joint axis 21 provided on which a pair laterally on Contact element attached joint elements or tabs 23 are rotatably supported at their first end. On hers the second end, the tabs 23 have recesses 22 in which the pins 19 engage.
  • the pins 19 clamped to one another and the hinge axes 21 chosen so that the pins 19 due to a support the hinge elements 23 in the closed state of the Contact element 2 do not reach the bottoms of the slots 17 can and thereby a torque on the contact element 2 exercise. This torque keeps the contact element in the closed state.
  • Control contours running symmetrically to one another 25 trained in certain in the following to explanatory opening positions of the contact element 2 with the pins 19 can be brought into contact.
  • FIG. 1 The embodiment shown is the control contour 25 through two consecutive survey levels were formed. On these elevation levels are the corresponding ones in FIG. 1 imaginary position of the pin 19 to illustrate the im following described operation of the control contour drawn.
  • the shift shaft unit is installed in the housing of a circuit breaker shown in Fig. 5 assembled.
  • the body 4 is the Switching shaft essentially immobile, being in closed state of the contacts, as in FIGS. 1 shown to 3, the contact element 2 through each other tensioned pins 19 with the interposition of Joint elements 23 is pressed against the contact conductor 27.
  • the contact element 2 Under the normal conditions of switching on and off the circuit breaker, the contact element 2 by one rotated such an angle over that with the line A in Fig. 1 marked dead center does not go out.
  • First under short circuit conditions is the swing of the Contact element 2 sufficient to by the above mentioned spring 18 generated counteracting torque overcome and thus to cross the dead center line A.
  • control contour 25 shown in FIGS. 1 and 2 also causes the contact element 2 to be short from reaching the dead center line A with the first elevation 28 of the control contour 25 comes into contact with the pins 19 and thereby the function of the point of attack for that of the Pins 19 applied return torque.
  • the this suddenly creates longer levers on the Contact element 2 causes the spring force to remain the same a strongly increasing returning torque and thus an increased deceleration of a stronger one Clockwise overcurrent in FIG. 1 accelerated contact element 2.
  • the two-stage control contour 25 works with the second Step 29, on which the imaginary position of the pin 19 in Fig. 1 with the reference symbol C that the Contact element 2 when the acceleration is too great the dead center A is braked by the fact that the Pins 19 slightly when reaching the second stage be pushed apart.
  • This load on the pins 19th acts on the rising after the dead center is exceeded and counterclockwise torque so that the contact lever 2 braked and its possible Bounce back into the dead center Closed position of the contacts is avoided.
  • a switching shaft unit for a switch has one on an axis (3) rotatably mounted, S-shaped Contact element (2) of a substantially vertical to the axis (3) acting biasing element (19) and one of this operated, in the area of the apex of the Contact element attacking joint element (23) in Closing direction and when dead center is exceeded (A) can be acted upon in the opening direction.
  • the Contact element (2) points on its the biasing element facing side a control contour (25; 28, 29) on the with an opening rotation of the contact element (2) Reaching the dead center (A) with the biasing element (19) in Intervention can be brought.

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)
EP01106654A 2000-03-17 2001-03-16 Unité d'arbre de commande pour un interrupteur Expired - Lifetime EP1137038B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10013160A DE10013160B4 (de) 2000-03-17 2000-03-17 Schaltwelleneinheit für einen Schalter
DE10013160 2000-03-17

Publications (3)

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

Family

ID=7635199

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01106654A Expired - Lifetime EP1137038B1 (fr) 2000-03-17 2001-03-16 Unité d'arbre de commande pour un interrupteur

Country Status (4)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003041106A1 (fr) * 2001-11-06 2003-05-15 Abb Service S.R.L. Disjoncteur a faible tension
EP1772885A1 (fr) * 2005-10-05 2007-04-11 Moeller GmbH Système de contact pour disjoncteur à basse tension
US8071898B2 (en) 2007-08-21 2011-12-06 Siemens Aktiengesellschaft Switching device with a switching shaft for mounting a rotary contact link and multipole switching device arrangement
GB2576338A (en) * 2018-08-15 2020-02-19 Eaton Intelligent Power Ltd Switching device and method for operating a switching device

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006012125B3 (de) * 2006-03-09 2007-11-15 Siemens Ag Elektrisches Schaltgerät
DE102008007364A1 (de) 2008-01-30 2009-08-27 Siemens Aktiengesellschaft Drehkontaktsystem für ein Schaltgerät, insbesondere für ein Leistungsschaltgerät, sowie Schaltgeräte mit einem derartigen Drehkontaktsystem
DE102008007363A1 (de) 2008-01-30 2009-08-06 Siemens Aktiengesellschaft Drehkontaktsystem für ein Schaltgerät sowie Schaltgeräte mit einem derartigen Drehkontaktsystem
DE102008007365A1 (de) 2008-01-30 2009-08-06 Siemens Aktiengesellschaft Schaltgerät, insbesondere Leistungsschaltgerät
DE102008037967A1 (de) 2008-08-13 2010-02-18 Siemens Aktiengesellschaft Drehkontaktsystem mit Toleranzausgleich für ein Schaltgerät sowie Schaltgeräte mit einem derartigen Drehkontaktsystem
DE102011081102A1 (de) * 2011-08-17 2013-02-21 Siemens Aktiengesellschaft Elektrischer Schalter

Citations (5)

* 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 (fr) * 1997-07-02 1999-01-07 AEG Niederspannungstechnik GmbH & Co. KG Dispositif de contact rotatif pour disjoncteur à courant fort
WO1999062092A1 (fr) * 1998-05-29 1999-12-02 General Electric Company Dispositif a contact tournant pour disjoncteur a fort amperage
WO2001006530A1 (fr) * 1999-07-20 2001-01-25 Aeg Niederspannungstechnik Gmbh & Co. Kg Contact mobile a faible resistance electrique
US6310307B1 (en) * 1999-12-17 2001-10-30 General Electric Company Circuit breaker rotary contact arm arrangement

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19903911B4 (de) * 1999-02-01 2004-09-23 Ge Power Controls Polska Sp.Z.O.O. Auslösevorrichtung für Schalter und Schaltkontaktanordnung

Patent Citations (5)

* 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 (fr) * 1997-07-02 1999-01-07 AEG Niederspannungstechnik GmbH & Co. KG Dispositif de contact rotatif pour disjoncteur à courant fort
WO1999062092A1 (fr) * 1998-05-29 1999-12-02 General Electric Company Dispositif a contact tournant pour disjoncteur a fort amperage
WO2001006530A1 (fr) * 1999-07-20 2001-01-25 Aeg Niederspannungstechnik Gmbh & Co. Kg Contact mobile a faible resistance electrique
US6310307B1 (en) * 1999-12-17 2001-10-30 General Electric Company Circuit breaker rotary contact arm arrangement

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003041106A1 (fr) * 2001-11-06 2003-05-15 Abb Service S.R.L. Disjoncteur a faible tension
US6924445B2 (en) 2001-11-06 2005-08-02 Abb Service S.R.L. Low-voltage circuit breaker
EP1772885A1 (fr) * 2005-10-05 2007-04-11 Moeller GmbH Système de contact pour disjoncteur à basse tension
US8071898B2 (en) 2007-08-21 2011-12-06 Siemens Aktiengesellschaft Switching device with a switching shaft for mounting a rotary contact link and multipole switching device arrangement
GB2576338A (en) * 2018-08-15 2020-02-19 Eaton Intelligent Power Ltd Switching device and method for operating a switching device

Also Published As

Publication number Publication date
ATE362645T1 (de) 2007-06-15
DE10013160B4 (de) 2006-07-06
DE10013160A1 (de) 2001-10-04
EP1137038A3 (fr) 2003-03-19
EP1137038B1 (fr) 2007-05-16
DE50112498D1 (de) 2007-06-28
ES2286051T3 (es) 2007-12-01

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