EP1126488A2 - Selektives Schalgerät, insbesondere Hauptleitungsschutzschalter - Google Patents
Selektives Schalgerät, insbesondere Hauptleitungsschutzschalter Download PDFInfo
- 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
Links
Images
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)
- Emergency Protection Circuit Devices (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Gas-Insulated Switchgears (AREA)
- Keying Circuit Devices (AREA)
Abstract
Description
- Die einzige Fig.
- eine schematische Darstellung der Bimetalle eines selektiven Schaltgerätes.
Claims (3)
- Selektives Schaltgerät, insbesondere Hauptleitungsschutzschalter, mit einem ersten Strompfad, in dem sich ein Hauptbimetall (10) und damit verbunden eine Kompensationsbimetall (13) befinden, die mechanisch mittels eines Koppelschiebers (21) gekoppelt sind, und mit einem Nebenstrompfad, in dem sich ein Selektivbimetall (26) befindet, wobei die Bimetalle parallel zueinander verlaufen, dadurch gekennzeichnet, daß das Selektivbimetall mittels eines eigenen Übertragungselements (31) auf die eine Verklinkungsstelle eines Schaltschlosses (19) einwirkt.
- Schaltgerät nach Anspruch 1, dadurch gekennzeichnet, daß das Übertragungselement (31) ein Doppelarmhebel ist, dessen einer Arm (32) mit dem Selektivbimetall (26) zusammenwirkt und dessen anderer Arm (33) bei Ausbiegung des Bimetalls gegen einen Verklinkungshebel (18) anschlägt, so daß dadurch die Verklinkungsstelle geöffnet wird.
- Schaltgerät nach einem der vorigen Ansprüche, dadurch gekennzeichnet, daß das Koppelelement als langgestreckter Flachschieber ausgebildet ist, der quer zu den Bimetallen (10, 26, 13) verläuft und mit Wandungen, die senkrecht zur Ebene des Flachschiebers und parallel zu der Befestigungsebene verlaufen, versehen ist, mit denen das Hauptbimetall (10) und das Kompensationsbimetall (13) unabhängig vom Selektivbimetall (26) zusammenwirken.
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 (de) | 2001-08-22 |
EP1126488A3 EP1126488A3 (de) | 2003-07-30 |
EP1126488B1 EP1126488B1 (de) | 2006-12-27 |
Family
ID=7631119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01102622A Expired - Lifetime EP1126488B1 (de) | 2000-02-16 | 2001-02-07 | Selektives Schalgerät, insbesondere Hauptleitungsschutzschalter |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1126488B1 (de) |
AT (1) | ATE349768T1 (de) |
DE (2) | DE10006944A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1587123A1 (de) * | 2004-04-16 | 2005-10-19 | ABB PATENT GmbH | Installationsschaltgerät |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008020453A1 (de) | 2007-04-28 | 2008-10-30 | Abb Ag | Installationsschaltgerät mit einem thermischen Auslöser |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0350829A2 (de) * | 1988-07-15 | 1990-01-17 | Asea Brown Boveri Aktiengesellschaft | Selektive Kurzschlussstromschutzeinrichtung |
EP0491250A2 (de) * | 1990-12-17 | 1992-06-24 | ABBPATENT GmbH | Installationsgerät |
DE4118377A1 (de) * | 1991-06-05 | 1992-12-10 | Hager Electro Gmbh | Leitungs- und/oder geraeteschutzschalter |
DE19526592A1 (de) * | 1995-07-21 | 1997-01-23 | Abb Patent Gmbh | Elektrischer Schalter, insbesondere Leitungsschutzschalter |
-
2000
- 2000-02-16 DE DE10006944A patent/DE10006944A1/de not_active Withdrawn
-
2001
- 2001-02-07 AT AT01102622T patent/ATE349768T1/de not_active IP Right Cessation
- 2001-02-07 EP EP01102622A patent/EP1126488B1/de not_active Expired - Lifetime
- 2001-02-07 DE DE50111711T patent/DE50111711D1/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0350829A2 (de) * | 1988-07-15 | 1990-01-17 | Asea Brown Boveri Aktiengesellschaft | Selektive Kurzschlussstromschutzeinrichtung |
EP0491250A2 (de) * | 1990-12-17 | 1992-06-24 | ABBPATENT GmbH | Installationsgerät |
DE4118377A1 (de) * | 1991-06-05 | 1992-12-10 | Hager Electro Gmbh | Leitungs- und/oder geraeteschutzschalter |
DE19526592A1 (de) * | 1995-07-21 | 1997-01-23 | Abb Patent Gmbh | Elektrischer Schalter, insbesondere Leitungsschutzschalter |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1587123A1 (de) * | 2004-04-16 | 2005-10-19 | ABB PATENT GmbH | Installationsschaltgerät |
Also Published As
Publication number | Publication date |
---|---|
DE50111711D1 (de) | 2007-02-08 |
EP1126488A3 (de) | 2003-07-30 |
EP1126488B1 (de) | 2006-12-27 |
DE10006944A1 (de) | 2001-09-06 |
ATE349768T1 (de) | 2007-01-15 |
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