EP1173864B1 - Schutzschalter mit schaltstellungsanzeige - Google Patents

Schutzschalter mit schaltstellungsanzeige Download PDF

Info

Publication number
EP1173864B1
EP1173864B1 EP00929302A EP00929302A EP1173864B1 EP 1173864 B1 EP1173864 B1 EP 1173864B1 EP 00929302 A EP00929302 A EP 00929302A EP 00929302 A EP00929302 A EP 00929302A EP 1173864 B1 EP1173864 B1 EP 1173864B1
Authority
EP
European Patent Office
Prior art keywords
switch
contact arm
position indicator
contact
switch position
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
EP00929302A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1173864A1 (de
Inventor
Elmar Fischer
Christoph Weber
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP1173864A1 publication Critical patent/EP1173864A1/de
Application granted granted Critical
Publication of EP1173864B1 publication Critical patent/EP1173864B1/de
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
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04—Means for indicating condition of the switching device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/046—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H using snap closing mechanisms
    • H01H2300/048—Snap closing by latched movable contact, wherein the movable contact is held in a minimal distance from the fixed contact during first phase of closing sequence in which a closing spring is charged
    • 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
    • H01H71/526—Manual reset mechanisms which may be also used for manual release actuated by lever the lever forming a toggle linkage with a second lever, the free end of which is directly and releasably engageable with a contact structure

Definitions

  • the invention relates to a circuit breaker, in particular a circuit breaker, with a pair of contacts from a fixed contact and from a movable contact on a contact arm, which interacts via a switch lock with switch position indicator with a rotatable manual control element according to the preamble of claim 1, for example known from US-A-5831500.
  • the switch position indicator works with a snap action mechanism to keep the contact arm open and suddenly release it into the closed position.
  • Such a circuit breaker is known (according to ⁇ 3, paragraph 2, DPatG or according to Art. 54, paragraph 3, EPC) (DE: 19735415.7; EP: 98114564.2).
  • Switch position indicators are generally known, in which the material of the indicator represents one color and the second color is printed. Two-part switch position indicators with different colors are also known. Such switch position indicators are usually special designs for tapping the position of a movable contact.
  • the invention has for its object to develop a circuit breaker with a particularly economical switch position indicator that gives an appropriate display for all possible switch positions.
  • the described task is solved by a circuit breaker according to claim 1.
  • the switch position indicator is designed here in two parts: on the one hand it has a switch position indicator for the closed position of the contact arm, the switch position indicator being connected to the snap action switch. It also has a switch position indicator for the open position of the contact arm, this switch position indicator for the movement of the contact arm taps. Both switch position indicators are arranged or designed so that they can pivot independently of each other. Such a switch position indicator also correctly shows in the case of a so-called free trip. Free tripping is known to mean that when the manual control element is held in the switch-on position, the switching lock causes the contact to open when the triggering condition occurs.
  • the switch position indicator for the closed position which is connected to the snap switch, is designed in such a way that a rigid part is operatively connected to a control edge of the manual control element and is rotatable about a fixed axis.
  • a display element is arranged under a viewing window. It has a joint to the snap-action switching part. Apart from the display element, the other components are required for the spring switch anyway.
  • the hinge to the snap-action switching part can advantageously be designed as a film gate hinge.
  • the switch position indicator for the open position has a rigid part which is mounted on the stationary axis of the switch position indicator for the closed position. Under the viewing window, this switch position indicator has a display element, the movement path of which lies below the viewing window over that of the display element for the closed position, the rigid part being connected via a joint to a bracket for tapping the movement of the contact arm.
  • the bracket can be tapped the movement of the contact arm in a switch lock with a pawl, release lever and contact arm approximately in a triangular arrangement, a connection between the bearing of the pawl and contact arm on the one hand and a stationary bearing of the release lever on the other.
  • This bracket can be in operative connection with the joint to the rigid part.
  • the rotatable manual control element can be connected to the contact arm by a coupling rod with the pawl outside its bearing.
  • the circuit breaker has a switching mechanism with a pair of contacts from a fixed contact 1 and from a movable contact 2 on a contact arm 3, which cooperates with a rotatable manual control element 7 via a switching mechanism 4 with a switching position indicator.
  • the switch position indicator is made in two parts.
  • the switch position indicator 5 for the closed position of the contact arm 3 is connected to a snap action switch 8 with snap action part 27.
  • the Switch position indicator 6 for the open position of the contact arm 3 picks up the movement of the contact arm.
  • the switch position indicator 6 for the open position has a rigid part 9, which is mounted on the fixed axis 10 of the switch position indicator 5 for the closed position.
  • the switch position indicator 6 Under a viewing window 11, the switch position indicator 6 has a display element 26 for the open position. Its path of movement under the viewing window 11 is above that of the display member 25 for the closed position.
  • the rigid part 9 of the switch position indicator for the open position is connected via a joint 13 to a bracket 14 for tapping the movement of the contact arm 3.
  • the switch position indicator 5 for the closed position is connected to the snap-action switching mechanism 8, a rigid part 15 being operatively connected to a control edge 16 of the manual control element 7.
  • the rigid part 15 is rotatable about a fixed axis 10, about which the rigid part 9 of the switch position indicator 6 is arranged for the open position.
  • a display member 26 is arranged under the viewing window 11 in a movement path.
  • a hinge 17 is formed for the jump switching part 27.
  • the display element 26 of the switch position indicator 6 can be made of green plastic, for example, and the display element 25 for the switch position indicator 5 for the closed position can be made of red plastic. A special impression or coloring is omitted, which promotes large-scale production.
  • the bracket 14 for tapping the movement of the contact arm 3 in a switching lock with pawl 18, release lever 19 and contact arm 3 in approximately triangular arrangement can be made from a connection between the bearing 20 of the pawl 18 and the contact arm on the one hand and a stationary bearing 21 of the release lever 19 on the other his.
  • the bracket 14 is in operative connection with the joint 13 to the rigid part 9.
  • the triangle arrangement is can be seen more precisely in the arrangement of the movable bearing 20 of the pawl, the fixed bearing 21 of the release lever and the movable bearing 12 of the pawl with a coupling rod to the manual control element 7.
  • the rotatable manual control element 7 thus connects a coupling rod 22 to the pawl 18 outside of its bearing 20 with the contact arm 3.
  • FIG. 3 Essential components of the switching mechanism according to FIGS. 1 and 2 are shown in FIG. 3 for themselves, so that the arrangement according to FIGS. 1 and 2 is easier to read.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Breakers (AREA)
  • Push-Button Switches (AREA)
EP00929302A 1999-04-28 2000-04-17 Schutzschalter mit schaltstellungsanzeige Expired - Lifetime EP1173864B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19919418A DE19919418A1 (de) 1999-04-28 1999-04-28 Schutzschalter mit Schaltstellungsanzeige
DE19919418 1999-04-28
PCT/DE2000/001195 WO2000067273A1 (de) 1999-04-28 2000-04-17 Schutzschalter mit schaltstellungsanzeige

Publications (2)

Publication Number Publication Date
EP1173864A1 EP1173864A1 (de) 2002-01-23
EP1173864B1 true EP1173864B1 (de) 2003-09-10

Family

ID=7906216

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00929302A Expired - Lifetime EP1173864B1 (de) 1999-04-28 2000-04-17 Schutzschalter mit schaltstellungsanzeige

Country Status (7)

Country Link
EP (1) EP1173864B1 (xx)
AT (1) ATE249680T1 (xx)
DE (2) DE19919418A1 (xx)
ES (1) ES2207513T3 (xx)
IL (1) IL145889A0 (xx)
TR (1) TR200103109T2 (xx)
WO (1) WO2000067273A1 (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT503744B1 (de) * 2003-10-01 2009-12-15 Moeller Gebaeudeautomation Kg Schutzschalter
DE102005029059A1 (de) * 2005-06-23 2006-12-28 Abb Patent Gmbh Schaltgerät, Leitungsschutzschalter und dergleichen
DE112012004843B4 (de) * 2011-11-21 2016-12-29 Mitsubishi Electric Corporation Schaltstellungsanzeige für eine elektrische Schalteinrichtung und Schalteinrichtung mit einer derartigen Schaltstellungsanzeige
WO2015103196A1 (en) 2014-01-03 2015-07-09 Electronic Theatre Controls, Inc. Electrical circuit breaker assembly

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE302144C (de) * 1917-03-23 1917-12-03 Paul Dr Meyer Anzeigevorrichtung für die stellung von selbstausschaltern mit schlüpfkupplung
DE3339398A1 (de) * 1983-10-29 1985-05-09 Sursum Elektrizitätsgesellschaft Leyhausen GmbH & Co, 8500 Nürnberg Selbstschalter mit offener und geschlossener kontaktstellung
JPS6412335U (xx) * 1987-07-13 1989-01-23
FR2660794B1 (fr) * 1990-04-09 1996-07-26 Merlin Gerin Mecanisme de commande d'un disjoncteur electrique.
US5831500A (en) * 1996-08-23 1998-11-03 Square D Company Trip flag guide for a circuit breaker
DE19735415A1 (de) * 1997-08-14 1999-02-18 Siemens Ag Schaltmechanismus für einen Schutzschalter

Also Published As

Publication number Publication date
EP1173864A1 (de) 2002-01-23
DE19919418A1 (de) 2000-11-02
TR200103109T2 (tr) 2002-04-22
IL145889A0 (en) 2002-07-25
ATE249680T1 (de) 2003-09-15
ES2207513T3 (es) 2004-06-01
DE50003650D1 (de) 2003-10-16
WO2000067273A1 (de) 2000-11-09

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