EP1126488A2 - Interrupteur sélectif en particulier un interrupteur de protection de ligne principale - Google Patents

Interrupteur sélectif en particulier un interrupteur de protection de ligne principale Download PDF

Info

Publication number
EP1126488A2
EP1126488A2 EP01102622A EP01102622A EP1126488A2 EP 1126488 A2 EP1126488 A2 EP 1126488A2 EP 01102622 A EP01102622 A EP 01102622A EP 01102622 A EP01102622 A EP 01102622A EP 1126488 A2 EP1126488 A2 EP 1126488A2
Authority
EP
European Patent Office
Prior art keywords
bimetal
selective
switching device
main
compensation
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
EP01102622A
Other languages
German (de)
English (en)
Other versions
EP1126488B1 (fr
EP1126488A3 (fr
Inventor
Erwin Muders
Joachim Majewski
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.)
ABB Patent GmbH
Original Assignee
ABB Patent GmbH
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 ABB Patent GmbH filed Critical ABB Patent GmbH
Publication of EP1126488A2 publication Critical patent/EP1126488A2/fr
Publication of EP1126488A3 publication Critical patent/EP1126488A3/fr
Application granted granted Critical
Publication of EP1126488B1 publication Critical patent/EP1126488B1/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
    • 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
    • H01H71/14—Electrothermal mechanisms
    • H01H71/16—Electrothermal mechanisms with bimetal element
    • H01H71/162—Electrothermal mechanisms with bimetal element with compensation for ambient temperature
    • 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
    • H01H71/1081—Modifications for selective or back-up protection; Correlation between feeder and branch circuit breaker

Definitions

  • the invention relates to a selective switching device according to the preamble of the claim 1.
  • Such a switching device is known from DE 195 26 592 C2.
  • This Switchgear has a main current path with a main thermal metal and one Secondary current path in which there is a so-called selective bimetal.
  • the main bimetal is assigned a compensation bimetal.
  • the three bimetals run approximately parallel to each other and their free ends lie in a line that is approximately perpendicular to the mounting plane of the switching device.
  • Across the end of the bimetals runs a coupling slide, which is designed as a flat slide and on his one end has a pocket into which the compensation bimetal engages, whereas at the other end a transverse wall is provided against which the main bimetal at Deflection stops and takes the slide with it.
  • the compensation bimetal is included a trigger lever firmly connected so that when the compensation bimetal is pivoted from the main bimetal, the release lever a latching point in the Switch lock of the switchgear unlatched.
  • the selective bimetal located between the two also acts on a transverse wall of the slide, so that the selectivity bimetal pivots the release lever.
  • the object of the invention is to further improve a switching device of the type mentioned.
  • the selective bimetal no longer acts on the slide, but on one Arm of a transmission double arm lever; that acts on the arm of the double arm lever on the latching point and unlatches the key switch.
  • the coupling slide is an elongated one Flat slide formed, which runs perpendicular to the bimetallic and with walls running to the level of the flat rail is provided with which the main and the compensation bimetal work together.
  • the selective switching device in which the invention is implemented is a switching device with the designation S 700 from ABB Stotz-Kontakt GmbH, Heidelberg; this Switching device S 700 is described in DE 195 26 592 C2.
  • the switching device contains a main bimetal 10, which is in a main current path (not shown) the circuit breaker.
  • This main bimetal is at 11 at one end firmly clamped; the other end 12 can be due to thermal action turn out.
  • the main bimetal 10 is assigned a compensation bimetal 13, which is parallel to the main bimetal 10 and which is attached to a holding device 14 which is rotatable about an axis 15 and to which a release lever 16 is attached, which projects parallel to the compensation bimetal 13 and in the same direction and contains at its free end an offset 17 which is on a latch lever 18 of a switch lock 19 shown only schematically acts.
  • the Axis of rotation 15 is approximately on a line which is approximately perpendicular to the mounting plane B-B and through the attachment point 11 of the main bimetal.
  • the free Ends 12, 20 of the main bimetal 10 and the compensation bimetal 13 are also located approximately on a line that is perpendicular or approximately perpendicular to the mounting plane B-B runs.
  • a slide 21 runs transversely to the bimetals 10, 13 and has one at one end pocket 24 formed by walls 22 and 23 into which the compensation bimetal engages with its free end 20.
  • the attachment level B-B facing the end of the slide 21 is a perpendicular transverse wall 25, against which the free end 12 of the main bimetal when heated to bear comes and moves the slide in the direction of arrow P.
  • the compensation bimetal is via the wall 22, which runs parallel to the wall 25 13 pivoted about the axis 15 so that the release lever 16 in Pivoted clockwise and the cranked end 17 against the latch lever 18 strikes and this also moves in the direction of arrow P, so that the inside the latch 19 located latching point opened and contact points in Switchgear can be opened permanently.
  • a so-called selective bimetal is located between the two bimetallic metals 10 and 13 26, which is inserted into a bypass path of the switching device; this selective bimetal 26 is to open the switch permanently when an overcurrent occurs pending time.
  • the operation of the selective bimetal 26 is shown the above-mentioned DE195 26 592 C2.
  • a double arm lever 31 On an axis 30 which - in relation to the mounting plane B-B - approximately in height of the latch lever 18, a double arm lever 31 is rotatably mounted, one has first arm 32 which interacts with the selective bimetal 26; the double arm lever 31 also has a second arm 33 which is connected to the latching lever 18 cooperates.
  • the clamping point 34 approximately in the connecting line of the axis of rotation 15 and the attachment point 11 lies, wherein the free end of the bimetal 26 lies in the line in which the ends of the Thermobimetals 10 and 13 are bent, then the free end of the selective bimetal moves 26 in the direction of the arrow P; thereby the arm 32 and thus the double arm arrangement 30 pivoted counterclockwise in rotation; the arm 33 lies against the latching lever 18 and in this way releases the latching point in the switch lock so that the switch contacts are opened permanently.

Landscapes

  • Breakers (AREA)
  • Thermally Actuated Switches (AREA)
  • Keying Circuit Devices (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Emergency Protection Circuit Devices (AREA)
EP01102622A 2000-02-16 2001-02-07 Interrupteur sélectif en particulier un interrupteur de protection de ligne principale Expired - Lifetime EP1126488B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10006944A DE10006944A1 (de) 2000-02-16 2000-02-16 Selektives Schaltgerät, insbesondere Hauptleitungsschutzschalter
DE10006944 2000-02-16

Publications (3)

Publication Number Publication Date
EP1126488A2 true EP1126488A2 (fr) 2001-08-22
EP1126488A3 EP1126488A3 (fr) 2003-07-30
EP1126488B1 EP1126488B1 (fr) 2006-12-27

Family

ID=7631119

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01102622A Expired - Lifetime EP1126488B1 (fr) 2000-02-16 2001-02-07 Interrupteur sélectif en particulier un interrupteur de protection de ligne principale

Country Status (3)

Country Link
EP (1) EP1126488B1 (fr)
AT (1) ATE349768T1 (fr)
DE (2) DE10006944A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1587123A1 (fr) * 2004-04-16 2005-10-19 ABB PATENT GmbH Interrupteur d'installation électrique

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008020453A1 (de) 2007-04-28 2008-10-30 Abb Ag Installationsschaltgerät mit einem thermischen Auslöser

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3823975A1 (de) * 1988-07-15 1990-01-18 Asea Brown Boveri Selektive kurzschlussstromschutzeinrichtung
DE4040263A1 (de) * 1990-12-17 1992-06-25 Abb Patent Gmbh Installationsgeraet
DE4118377C2 (de) * 1991-06-05 1999-03-04 Hager Electro Gmbh Leitungs- und/oder Geräteschutzschalter
DE19526592C2 (de) * 1995-07-21 1999-04-15 Abb Patent Gmbh Elektrischer Schalter, insbesondere Leitungsschutzschalter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1587123A1 (fr) * 2004-04-16 2005-10-19 ABB PATENT GmbH Interrupteur d'installation électrique

Also Published As

Publication number Publication date
EP1126488B1 (fr) 2006-12-27
EP1126488A3 (fr) 2003-07-30
ATE349768T1 (de) 2007-01-15
DE50111711D1 (de) 2007-02-08
DE10006944A1 (de) 2001-09-06

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