EP1110230B1 - Schalter - Google Patents

Schalter Download PDF

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Publication number
EP1110230B1
EP1110230B1 EP99944361A EP99944361A EP1110230B1 EP 1110230 B1 EP1110230 B1 EP 1110230B1 EP 99944361 A EP99944361 A EP 99944361A EP 99944361 A EP99944361 A EP 99944361A EP 1110230 B1 EP1110230 B1 EP 1110230B1
Authority
EP
European Patent Office
Prior art keywords
switch
lever
toggle joint
accordance
operating handle
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
EP99944361A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1110230A1 (de
Inventor
Christian Thamm
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 EP1110230A1 publication Critical patent/EP1110230A1/de
Application granted granted Critical
Publication of EP1110230B1 publication Critical patent/EP1110230B1/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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/501—Means for breaking welded contacts; Indicating contact welding or other malfunction of the circuit breaker
    • 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
    • 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/522—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism
    • H01H71/525—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism comprising a toggle between cradle and contact arm and mechanism spring acting between handle and toggle knee
    • 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/62—Manual reset mechanisms which may be also used for manual release with means for preventing resetting while abnormal condition persists, e.g. loose handle arrangement
    • H01H71/64—Manual reset mechanisms which may be also used for manual release with means for preventing resetting while abnormal condition persists, e.g. loose handle arrangement incorporating toggle linkage

Definitions

  • the invention relates to a switch according to the preamble of claim 1, e.g. known from DE-A-2508220.
  • the invention relates in particular a low-voltage switch with a blocking element that the Transfer of an operating handle in the Switch-off position prevented when the contacts of the switch are blocked.
  • This Low-voltage switch has one by one Actuating handle movable drive lever, which means a drive spring acts on a knee joint on one End is connected to a contact carrier shaft and at the other End is supported on a ratchet lever with which the Overcurrent tripping of the low voltage switch is controlled.
  • the knee joint has a knee joint tab that is the same Level as the locking tab is arranged, such that one end the locking tab rotatably mounted on the lock housing and the other end is coupled to the drive lever. there can the drive lever with the coupled locking tab only follow welded contacts until the locking tab on the knee joint tab comes into contact.
  • the object of the invention is a low voltage switch to make available, in the event of a Welding the contacts the transfer of the Actuating lever in the off position even safer can be prevented.
  • a movable contact 1 is the Low voltage switch rotatable on axis 2 one Switch shaft 3 mounted.
  • the selector shaft 3 is itself in one Polbahn housing not shown stored.
  • the selector shaft 3 has two diametrically opposite satellite axes 4 and 5, when the selector shaft 3 rotates about the axis 2 be rotated.
  • Axis 4 is the point of attack one Knee joint 6, the other end by means of a Knee joint axis 7 with a second, in the form of a Triangular elements 8 trained knee joint articulated connected is.
  • the triangular element 8 is at a second corner by means of an axis 9 with a ratchet lever 10, which for Overflow release of the key switch serves and rotates on a fixedly positioned axis 11 is articulated connected.
  • the knee joint tabs 6 are made Reasons for symmetry on both sides of the triangular element 8 and provided between the pawl lever 10 and connected by means of axis 7.
  • a in Fig. 2 Detail of drive lever 13 consists of two plates, which are in the respective levels extend from two side plates 15 of the drive housing and with their lower sections 13a shown in FIG corresponding bearing sections 14 of the side plates 15 of the Drive housing are articulated.
  • the present Exemplary embodiment consists of the drive lever 13 single U-shaped plate, on the Connecting section a bolt 16 and one from the Actuating handle 17 led out of the drive housing are attached.
  • a triggering device is shown in FIG. 1 with the reference number 19 characterized. With this release device Triggering the ratchet lever 10 in a known Controlled way.
  • a locking lever 20 arranged with its one end on the satellite axis 5 of the selector shaft 3 and with its other end to a fixed pin 21 is articulated.
  • the pin 21 is on the side plate 15 attached and formed in a locking lever 20 Elongated hole 22 out.
  • a projection 23 which is formed with a Drive lever 13 formed receiving portion 24 in Intervention can be brought. Thanks to this construction, the in 7 shows a safe separation of the contact 1 indexing end operating position OFF of the operating handle 17 prevented in the following way:
  • the operating handle 17 is first so far in the Moved clockwise until sections 24 and 23 in Intervention.
  • this torque because of the relatively short distance between axes 2 and 5 very small is that caused by micro-welding Isolation resistance at contact 1 on operating handle 17 clearly noticeable. Accordingly, a person is that Tried to turn the switch off, immediately able to recognize that the operating handle 17 is not in the End operating position can be brought OFF.
  • contact 1 If contact 1 is not welded, it takes the locking lever 20 in the position shown in Figure 5, so that the operating handle 17 together with the drive lever 13 unhindered in the final operating position shown in Figure 7 OFF can pass. This is the way an am Drive lever 13 attached pin 25 with the ratchet lever 10 engages and pushes the latter clockwise so far down through until the pawl lever 10 is in a locked position occupies in the trigger device 19.
  • a switch is connected to an actuator handle 17 Actuated drive lever 13 equipped by means of a Drive spring 18 acts on a knee joint 6, 7, 8, the one Active connection between a control shaft 3 for actuation a contact 1 and a ratchet lever 10 for controlling the Overcurrent release.
  • the switch also has one with the drive lever 13 cooperating locking lever 20 which the Transfer of the operating handle 17 in the Switch-off position prevented when contact 1 is blocked, whereby the locking lever 20 by a rotation of the shift shaft 3 at Closing contact 1 automatically in its locked position can be brought in relation to the drive lever.

Landscapes

  • Mechanisms For Operating Contacts (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Breakers (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
EP99944361A 1998-09-11 1999-08-09 Schalter Expired - Lifetime EP1110230B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19841685A DE19841685C2 (de) 1998-09-11 1998-09-11 Schalter
DE19841685 1998-09-11
PCT/EP1999/005829 WO2000016358A1 (de) 1998-09-11 1999-08-09 Schalter

Publications (2)

Publication Number Publication Date
EP1110230A1 EP1110230A1 (de) 2001-06-27
EP1110230B1 true EP1110230B1 (de) 2002-06-26

Family

ID=7880684

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99944361A Expired - Lifetime EP1110230B1 (de) 1998-09-11 1999-08-09 Schalter

Country Status (8)

Country Link
EP (1) EP1110230B1 (zh)
JP (1) JP4321965B2 (zh)
CN (1) CN1208799C (zh)
AU (1) AU5732599A (zh)
DE (1) DE19841685C2 (zh)
HU (1) HU223108B1 (zh)
TW (1) TW493190B (zh)
WO (1) WO2000016358A1 (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10129498C1 (de) * 2001-06-19 2003-03-06 Moeller Gmbh Mehrpoliges elektrisches Schaltgerät mit Schaltschloss
FR2887071B1 (fr) * 2005-06-14 2007-08-31 Schneider Electric Ind Sas Dispositif d'actionnement d'un appareil electrique interrupteur a moyens de blocage en rotation.
DE102006012125B3 (de) * 2006-03-09 2007-11-15 Siemens Ag Elektrisches Schaltgerät
US7843290B2 (en) * 2007-08-10 2010-11-30 Ls Industrial Systems Co., Ltd. Molded case circuit breaker with contact on mechanism
KR101015316B1 (ko) * 2008-12-31 2011-02-15 엘에스산전 주식회사 접점 상태를 표시할 수 있는 배선용 차단기의 개폐기구 및 그를 갖는 배선용 차단기
JP5333289B2 (ja) * 2010-02-25 2013-11-06 三菱電機株式会社 回路遮断器
DE102011081102A1 (de) * 2011-08-17 2013-02-21 Siemens Aktiengesellschaft Elektrischer Schalter
KR101326987B1 (ko) * 2011-12-16 2013-11-13 현대중공업 주식회사 트립장치 및 이를 갖는 배선용 차단기
WO2018114739A1 (en) * 2016-12-20 2018-06-28 Eaton Industries (Austria) Gmbh Circuit breaker with tripping functionality

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2262859B1 (zh) * 1974-03-01 1977-09-23 Merlin Gerin
DE2808609C3 (de) * 1978-02-28 1980-09-18 Siemens Ag, 1000 Berlin Und 8000 Muenchen Niederspannungskippschalter
DE3033213C2 (de) * 1980-08-29 1982-10-21 Siemens AG, 1000 Berlin und 8000 München Niederspannungs-Schutzschalter mit einem Sperrhebel
DE8023509U1 (de) * 1980-08-29 1980-11-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Niederspannungs-Schutzschalter für Sperrhebel
DE3802184A1 (de) * 1988-01-26 1989-08-03 Licentia Gmbh Niederspannungsschalter mit sperrlaschen
ZA898764B (en) * 1988-12-08 1990-08-29 Westinghouse Electric Corp Electrical circuit breaker handle locking apparatus
DE4227213C2 (de) * 1992-08-17 1995-08-31 Kloeckner Moeller Gmbh Schaltschloß für einen Leistungsschalter
DE9401785U1 (de) * 1994-02-03 1995-07-20 Klöckner-Moeller GmbH, 53115 Bonn Schaltschloß mit einem Sperrmechanismus

Also Published As

Publication number Publication date
HU223108B1 (hu) 2004-03-29
JP4321965B2 (ja) 2009-08-26
TW493190B (en) 2002-07-01
CN1208799C (zh) 2005-06-29
AU5732599A (en) 2000-04-03
DE19841685A1 (de) 2000-03-30
HUP0103736A2 (en) 2002-05-29
EP1110230A1 (de) 2001-06-27
WO2000016358A1 (de) 2000-03-23
JP2002525796A (ja) 2002-08-13
CN1319241A (zh) 2001-10-24
DE19841685C2 (de) 2002-10-31

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