EP1037239B1 - Mehrpoliger Leistungsschalter - Google Patents
Mehrpoliger Leistungsschalter Download PDFInfo
- Publication number
- EP1037239B1 EP1037239B1 EP00104332A EP00104332A EP1037239B1 EP 1037239 B1 EP1037239 B1 EP 1037239B1 EP 00104332 A EP00104332 A EP 00104332A EP 00104332 A EP00104332 A EP 00104332A EP 1037239 B1 EP1037239 B1 EP 1037239B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft
- circuit breaker
- switching
- coupling element
- segments
- 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
Links
Images
Classifications
-
- 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
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0072—Details of switching devices, not covered by groups H01H1/00 - H01H7/00 particular to three-phase switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H2009/0094—Details of rotatable shafts which are subdivided; details of the coupling means thereof
-
- 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
- H01H71/1009—Interconnected mechanisms
- H01H2071/1036—Interconnected mechanisms having provisions for four or more poles
-
- 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
- H01H71/1009—Interconnected mechanisms
-
- 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
Definitions
- the invention relates to a multi-pole circuit breaker with a switching chamber housing, in which a number of interrupters corresponding to the number of poles is arranged side by side, and one common to all poles Switching shaft, with each switching chamber having a fixed and a swiveling one Contact bridge formed contact arrangement, which with the fixed contact arrangement cooperates.
- Such a circuit breaker is for example from EP 0542 636 B1 known.
- Each of the contact bridges is in a separate plastic existing shaft segment of the control shaft arranged.
- To connect the Shaft segments are two axially extending, parallel to each other arranged shift rods provided.
- the disadvantage of this known circuit breakers among other things, that the assembly of the from Shaft segments and the shift rods existing shift shaft relative is time consuming.
- an expensive storage of the selector shaft in the circuit breaker switch lock, and when using continuous metal bars often pose problems with regard to the electrical insulation of adjacent switching chambers. After all, that is Torsional stiffness of such a control shaft is low and is usually sufficient not the requirements placed on them.
- From EP 0 634 051 B1 is a multi-pole circuit breaker with one for all poles common switching shaft known, in which the contact bridges the individual interrupters are also arranged on shaft segments.
- the middle shaft segment points to it a central pin on both ends, which in corresponding Recesses of the adjacent shaft segments is inserted.
- recessed levers at the ends of the shaft segments provided to accommodate additional coupling bolts.
- a disadvantage of this Known circuit breakers include the additional connection via coupling bolts and the also relatively complex storage, to ensure exact positioning of the selector shaft.
- A1 is a multi-pole circuit breaker with one for all poles common switching shaft known, in which the the switching chambers assigned contact bridges arranged in adjacent shaft segments are.
- the shaft segments are over Coupling elements made of plastic connected together.
- the coupling elements consist essentially of a central partition for the electrical insulation of adjacent swiveling contact bridges and from cylindrical on both sides of the partition Share with two mounting pins each, which in corresponding Engage recesses in the shaft segments.
- a disadvantage of this circuit breaker among other things also the relatively expensive storage of the Switching shaft, which takes place essentially in the area of the shaft segments.
- a generic circuit breaker according to EP 0 849 748 A2 which is considered to be the closest prior art, is disclosed a multi-pole circuit breaker with a switching chamber housing, in the number of switching chambers corresponding to the number of poles next to each other is arranged, and a common for all poles switching shaft, wherein each switching chamber has a fixed and a pivotable contact bridge trained contact arrangement includes which with the fixed Contact arrangement cooperates.
- Each contact bridge is made of insulating material assigned to existing shaft segment.
- the neighboring wave segments are connected to each other via separate coupling elements.
- the shaft segments each point to the corresponding one Coupling element facing side recesses for receiving connecting bolts extending axially from the coupling elements.
- the Transition area of the interrupter housing between neighboring Switching chambers is at least partially used as a bearing for the bearing shaft of the Corresponding shaft segments connecting coupling element is formed.
- This circuit breaker has the same result as that described above of the large friction radius a high friction between the bearings and the Bearing shaft on, which is expensive to reduce the harmful abrasion Measures, for example with regard to the choice of material, require.
- the invention has for its object a multi-pole circuit breaker specify the type mentioned, the switching shaft in simple Is pre-assembled, has sufficient torsional rigidity and in the interrupter housing for exact positioning no complex ones Stock required.
- the shaft segments 10-12 (for reasons of clarity the contact bridges 6-8 omitted) by means of identical metallic Coupling elements 14, 15 connected. These each include two tab-shaped parts 16, 17 which are connected to one another via a bearing shaft 18 are connected and facing away from the bearing shaft 18 Side at least two connecting bolts each extending in the axial direction Wear 19, 20 or 21, 22. The distance 23 is between the adjacent connecting bolts 19, 20 and 21, 22 of the respective Coupling element 14, 15 larger than the diameter 24 of the bearing shaft 18.
- the shaft segments 10-12 each point to the corresponding one Coupling element 14, 15 facing side for receiving the connecting bolts 19-22 recesses 25, 26.
- the coupling elements 14, 15 comprise in the area between the two tab-shaped Parts 16, 17 at least one extending in the axial direction Pin 27, which with one of the two tab-shaped parts 16 or 17 is firmly connected and of the other tab-shaped Part 17 or 16 has a predetermined distance, so that on this Side results in a slit-shaped opening 28.
- the pin 27 is used for connection the switching shaft 9 with the circuit breaker of the circuit breaker, not shown 1, wherein a usually lever-shaped connecting part (toggle lever) of the key switch inserted into the gap-shaped opening 28 and by laterally shifting the pin 27 into a corresponding recess of the toggle lever is inserted.
- the transition area between neighboring ones Druckkammem 3-5 is partly as a bearing 29 (Fig.1) for the bearing shaft 18 of the connecting the corresponding shaft segments 10-12 Coupling element 14, 15 formed (Fig.2, 3).
- the invention is of course not limited to that described above Embodiment limited. So the circuit breaker according to the invention for example, also include four interrupters.
- the shift shaft in this case is composed of four shaft segments, over three the coupling elements described above interconnected become.
- the coupling elements can also be made of metal instead an electrically insulating material (e.g. plastic), provided that there is sufficient torsional rigidity of the selector shaft.
- the pin 27 to connect the control shaft with the key switch can also be used as a continuous Be formed and the two tab-shaped parts 16th and 17 connect to one another without forming a gap-shaped opening 28. In this case, the toggle of the key switch is already pre-assembled on the Cones arranged.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Breakers (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Description
- Figur 1:
- die perspektivische Ansicht eines erfindungsgemäßen dreipoligen Leistungsschalters mit abgenommenem Oberteil des Schaltkammergehäuses;
- Figur 2:
- die perspektivische Ansicht der aus drei Wellensegmenten und drei Kupplungselementen bestehenden Schaltwelle des in Fig.1 dargestellten Leistungsschalters vor ihrem Zusammenbau und
- Figur 3:
- die in Fig.2 dargestellte Schaltwelle nach ihrer Montage.
Claims (3)
- Mehrpoliger Leistungsschalter mit einem Schaltkammergehäuse (2), in dem eine der Polzahl entsprechende Anzahl von Schaltkammern (3-5) nebeneinander angeordnet ist, sowie einer für alle Pole gemeinsamen Schaltwelle (9), wobei jede Schaltkammer (3-5) eine feststehende und eine als schwenkbare Kontaktbrücke (6-8) ausgebildete Kontaktanordnung umfasst, welche mit der feststehenden Kontaktanordnung zusammenwirkt;mit aus einem Isoliermaterial bestehenden Wellensegmenten (10-12), in denen jeweils eine der Kontaktbrücken (6-8) angeordnet ist;mit getrennten, jeweils benachbarte Wellensegmente (10-12) miteinander verbindenden Kupplungselementen (14,15),wobei die Wellensegmente (10-12) jeweils auf ihrer dem entsprechenden Kupplungselement (14,15) zugewandten Seite Ausnehmungen (25,26) zur Aufnahme von Verbindungsbolzen (19-22) aufweisen, die sich in axialer Richtung von den Kupplungselementen (14, 15) erstrecken, undder Übergangsbereich des Schaltkammergehäuses (2) zwischen benachbarten Schaltkammern (3-5) mindestens teilweise als Lager (29) für eine Lagerwelle (18) des die entsprechenden Wellensegmente (10-12) verbindenden Kupplungselementes (14,15) ausgebildet ist,dass die Kupplungselemente (14,15) jeweils zwei laschenförmig ausgebildete Teile (16,17) umfassen, welche über die Lagerwelle (18) miteinander verbunden sind und auf ihrer der Lagerwelle (18) abgewandten Seite die jeweils mindestens zwei Verbindungsbolzen (19-22) tragen, unddass der Abstand (23) zwischen benachbarten Verbindungsbolzen (19,20;21,22) des jeweiligen Kupplungselementes (14,15) größer als der Durchmesser (24) der Lagerwelle (18) ist.
- Mehrpoliger Leistungsschalter nach Anspruch 1, dadurch gekennzeichnet, dass das jeweilige Kupplungselement (14,15) im Bereich zwischen den beiden laschenförmigen Teilen (16,17) mindestens einen sich in axialer Richtung erstreckenden Zapfen (27) umfasst, welcher mit mindestens einem der beiden laschenförmigen Teile (16,17) fest verbunden und von dem jeweils anderen laschenförmigen Teil (17,16) einen vorgegebenen Abstand aufweist.
- Mehrpoliger Leistungsschalter nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass auf den Verbindungsbolzen (19-22) des jeweiligen Kupplungselementes (14,15) mindestens eine elastische Dichtscheibe (30) angeordnet ist, deren äußerer Rand (31) in eine nutenförmige Ausnehmung (32) des Schaltkammergehäuses (2) eingreift.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19910032 | 1999-03-08 | ||
DE19910032A DE19910032C1 (de) | 1999-03-08 | 1999-03-08 | Mehrpoliger Leistungsschalter |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1037239A2 EP1037239A2 (de) | 2000-09-20 |
EP1037239A3 EP1037239A3 (de) | 2001-12-05 |
EP1037239B1 true EP1037239B1 (de) | 2003-07-23 |
Family
ID=7900033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00104332A Expired - Lifetime EP1037239B1 (de) | 1999-03-08 | 2000-03-02 | Mehrpoliger Leistungsschalter |
Country Status (3)
Country | Link |
---|---|
US (1) | US6259338B1 (de) |
EP (1) | EP1037239B1 (de) |
DE (1) | DE19910032C1 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10129505C1 (de) * | 2001-06-19 | 2002-10-10 | Moeller Gmbh | Mehrpoliges Schaltgerät mit Zweifachgehäuse |
DE10129498C1 (de) * | 2001-06-19 | 2003-03-06 | Moeller Gmbh | Mehrpoliges elektrisches Schaltgerät mit Schaltschloss |
DE20111726U1 (de) * | 2001-07-14 | 2002-12-05 | Moeller GmbH, 53115 Bonn | Schaltschloss für mehrpolige elektrische Schaltgeräte |
ITMI20012587A1 (it) * | 2001-12-10 | 2003-06-10 | Abb Service Srl | Albero porta contatti per un interruttore di potenza di bassa tensione |
FI116864B (fi) * | 2004-01-19 | 2006-03-15 | Abb Oy | Modulaarinen kytkinlaite |
KR100689324B1 (ko) * | 2005-10-05 | 2007-03-08 | 엘에스산전 주식회사 | 다극 배선용 차단기 |
US7812695B2 (en) * | 2006-11-09 | 2010-10-12 | Siemens Industry, Inc. | Tie bar for three pole switching device |
KR100988100B1 (ko) * | 2008-07-25 | 2010-10-18 | 엘에스산전 주식회사 | 배선용 차단기 |
KR100990256B1 (ko) | 2008-12-31 | 2010-10-27 | 엘에스산전 주식회사 | 4극 배선용 차단기의 보조장치 및 이를 갖는 4극 배선용 차단기 |
CN101604600B (zh) * | 2009-06-05 | 2012-10-03 | 上海诺雅克电气有限公司 | 带辅助支撑件的多极断路器 |
CN101989501B (zh) | 2009-07-29 | 2014-06-25 | 西门子公司 | 电气开关的动触头组件 |
US9129768B2 (en) | 2009-10-15 | 2015-09-08 | Siemens Aktiengesellschaft | Multipole electrical switching device |
CN103021745B (zh) * | 2011-09-26 | 2015-03-25 | 上海电科电器科技有限公司 | 模块化断路器的动触头联动结构 |
DE102011083838A1 (de) | 2011-09-30 | 2013-04-04 | Siemens Aktiengesellschaft | Mehrpoliger Schalter, insbesondere Lasttrennschalter für Niederspannungen |
CN104685594B (zh) * | 2012-09-27 | 2017-10-24 | 伊顿电气Ip两合公司 | 具有用来与电流方向无关地消灭电弧的装置的直流电开关 |
CN104465235B (zh) * | 2013-09-24 | 2016-07-06 | 上海电科电器科技有限公司 | 断路器的触头模块 |
DE102014204750A1 (de) * | 2014-03-14 | 2015-09-17 | Siemens Aktiengesellschaft | Rotorwellenmodul für eine Rotorwelle eines Kompaktleistungsschalters, Rotorwelle für einen Kompaktleistungsschalter, Kompaktleistungsschalter sowie Verfahren zur Herstellung eines Rotorwellenmoduls für eine Rotorwelle eines Kompaktleistungsschalters |
CN204375671U (zh) * | 2014-11-20 | 2015-06-03 | 浙江正泰电器股份有限公司 | 多极双断点塑壳断路器 |
DE102015200825B4 (de) * | 2015-01-20 | 2022-03-17 | Siemens Aktiengesellschaft | Trägerwelle für eine elektromechanische Schaltvorrichtung sowie elektromechanische Schaltvorrichtung |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3562469A (en) * | 1968-11-18 | 1971-02-09 | Square D Co | Molded-case electric circuit breaker with contact arm latch |
US5262744A (en) * | 1991-01-22 | 1993-11-16 | General Electric Company | Molded case circuit breaker multi-pole crossbar assembly |
US5200725A (en) * | 1991-01-22 | 1993-04-06 | General Electric Company | Molded case circuit breaker multi-pole crossbar assembly |
FR2682531B1 (fr) * | 1991-10-15 | 1993-11-26 | Merlin Gerin | Disjoncteur multipolaire a blocs unipolaires. |
DE4227352A1 (de) * | 1992-04-01 | 1993-10-07 | Siemens Ag | Mehrpoliger Niederspannungs-Leistungsschalter mit einer Schaltwelle |
DE19653267A1 (de) * | 1996-12-20 | 1998-06-25 | Abb Patent Gmbh | Elektrischer Installationsschalter |
US5910757A (en) * | 1998-03-25 | 1999-06-08 | Square D Company | Phase barrier for use in a multiphase circuit breaker |
-
1999
- 1999-03-08 DE DE19910032A patent/DE19910032C1/de not_active Expired - Fee Related
-
2000
- 2000-03-02 EP EP00104332A patent/EP1037239B1/de not_active Expired - Lifetime
- 2000-03-08 US US09/520,871 patent/US6259338B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6259338B1 (en) | 2001-07-10 |
EP1037239A2 (de) | 2000-09-20 |
DE19910032C1 (de) | 2000-04-06 |
EP1037239A3 (de) | 2001-12-05 |
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