EP1355330A1 - Système de support pour l'arbre de commande et disjonteur basse tension comprenant un système de support pour l'arbre de commande - Google Patents

Système de support pour l'arbre de commande et disjonteur basse tension comprenant un système de support pour l'arbre de commande Download PDF

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Publication number
EP1355330A1
EP1355330A1 EP03090100A EP03090100A EP1355330A1 EP 1355330 A1 EP1355330 A1 EP 1355330A1 EP 03090100 A EP03090100 A EP 03090100A EP 03090100 A EP03090100 A EP 03090100A EP 1355330 A1 EP1355330 A1 EP 1355330A1
Authority
EP
European Patent Office
Prior art keywords
switch
shaft
bearing
section
switching
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.)
Withdrawn
Application number
EP03090100A
Other languages
German (de)
English (en)
Inventor
Michael Bach
Detlev Schmidt
Günter Seidler
Ingo Thiede
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 EP1355330A1 publication Critical patent/EP1355330A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H2003/326—Driving mechanisms, i.e. for transmitting driving force to the contacts using bearings

Definitions

  • the invention is in the field of the structural design of an electrical switch used in particular in low-voltage networks and is to be used in the configuration of an arrangement for mounting a control shaft of such a switch, which has at least one bearing assembly provided with a bearing surface for rotatably mounting the control shaft.
  • Such an arrangement for mounting a selector shaft is known, for example, from the patent DE 199 48 716 C1.
  • the switching shaft of a low-voltage circuit breaker is advantageous by their geometrical arrangement for storage either the switching pole assembly or the drive assembly assigned to a perfect interaction the selector shaft with the assembly to which it is assigned was able to test before the switch was assembled.
  • a switching pole assembly understood an assembly that one or more, in a common housing or in separate, fixedly connected housing parts Includes switching poles.
  • Each of these switching poles has one or several, each of one fixed and one movable Switch contact arrangement existing switch contact systems on.
  • each is the movable one Switching contact arrangements mechanically each with a coupling lever connected, firmly on a common to all switching poles Shift shaft is arranged.
  • the parts held on a structure of the switching device which includes the movement of the movable Convey switch contact arrangements.
  • These parts include for example a motor and / or manual drive for tensioning a Spring accumulator, the spring accumulator by means of its forces can be stored for switching the switching contact systems on and / or off are a key switch to lock the switch in the on position, d. H. at the position at which the switch contact systems are closed and a drive train, the for coupling the spring to the Switch shaft is used.
  • the structure is usually on the outside attached to a wall of the housing of the switching pole assembly.
  • the first section of the bearing surface preferably forms the Section that shows the forces on and / or off of the electrical switch.
  • a preferred embodiment of the new arrangement for Bearing of the selector shaft provides that the means at least a spring includes the shift shaft against the first section of the storage area presses.
  • the spring can preferably be a leaf spring that is in contact with the selector shaft stands, and supported on a fixed abutment in the switch is.
  • Such leaf springs adapt easily the shape of the outer surface of the selector shaft and can also with the appropriate design, for example, your thighs and the associated abutment very precisely in relation to the Switching shaft can be positioned.
  • the At least one helical compression spring provided with a pressure piece comprises, wherein the pressure piece in contact with the shift shaft and the at least one helical compression spring supported on a fixed abutment in the switch is.
  • the agent by choosing a corresponding pressure piece very much easy on the quality, especially the surface quality and the radius of the selector shaft can be adjusted.
  • the pressure piece can be at least half-open bearing shell form.
  • the bearing assembly and the stationary abutment are held on a housing of the switching pole assembly.
  • the bearing assembly and the stationary abutment for example on the structure of the drive assembly be kept.
  • FIG. 1 shows a schematically illustrated low-voltage circuit breaker with a switching pole assembly, a drive assembly and a switching shaft
  • FIG. 2 shows a front view of the housing of the shift pole assembly, with two bearing assemblies attached to the outside of the front of the housing, each with a bearing surface for rotatably supporting the shift shaft
  • 3 shows a first section of FIG. 2 with an associated sectional view along the line AA in FIG. 2, which shows a first embodiment of an elastic means - in the form of a leaf spring for holding the selector shaft free of play with respect to at least a portion of the bearing surface
  • 4 shows a second section of FIG. 2 with an associated sectional view along the line BB in FIG.
  • FIG. 2 shows a second embodiment of the elastic means in the form of a helical compression spring provided with a pressure piece
  • 5 shows a third section of FIG. 2 with an associated sectional view along the line CC in FIG. 2, which shows a third embodiment of the elastic means in the form of two helical compression springs provided with a common pressure piece.
  • the low-voltage circuit breaker according to FIG. 1 has one Switch pole assembly 1, in which in a housing 2 Switch contact system 3 is arranged.
  • the switch contact system is part of a switching pole of this switch and has one fixed contact arrangement 4 and a movable contact arrangement 5 on.
  • In the housing 2 is still a coupling linkage 6 for coupling a contact carrier 7 of the movable Contact arrangement with a switching shaft 8 arranged.
  • In the Housing 2 is an arc extinguishing chamber 9 in a known manner used.
  • the movable contact arrangement 5 has several parallel to each other arranged contact lever 10, which in the contact carrier is pivotable by means of a hinge pin 11 held and by two contact force springs 12 against the Contact carriers are biased.
  • Flexible conductor 13 are used for Connection of the contact lever 10 with a lower connecting rail 14.
  • the associated with the movable contact arrangement fixed contact arrangement 4 is with an upper connection rail 15 connected.
  • the shift shaft 8 is the shift pole assembly in a manner geometrically assigned, as known from DE 199 48 716 C1 is.
  • axially outer bearing assemblies 16 the bearing surfaces of the two ends of the control shaft half-shell-shaped - on the housing 2 of the switching pole assembly 1 attached.
  • a drive assembly 17 In the axially middle In the area of the control shaft 8, the driving force is introduced a drive assembly 17 (see FIG. 1).
  • This Drive assembly 17 has its attachment to the housing 2 of the switching pole assembly 1, a structure made of parallel Walls 18 (only one of the walls is visible in FIG. 1) on.
  • a linkage 20 of the drive assembly 17 forming lever 21 is by means of a pin 22 with a fixedly arranged on the control shaft 8 and by the Shift shaft radially protruding two-part coupling lever 23 (see also Figure 2) coupled.
  • the coupling lever 23 On the coupling lever 23 is also the coupling linkage assigned to the contact carrier 7 6 coupled by means of a further bolt 24.
  • the control shaft 8 is in its axial direction four abutments 25, 26, 27 formed on the housing 2 assigned for elastic means 28, 29, 30 (cf. FIGS. 3 to 5).
  • These abutments 25, 26, 27 have a recess 31, 32, 33 on. With a corresponding, for example half-shell Designing this recess, this can do so serve to specify the installation position of the control shaft 8 and to facilitate the assembly of the selector shaft.
  • Two of the Abutments 25 are in the area of the two ends of the selector shaft arranged laterally next to a respective bearing assembly 16, while the other two abutments 26, 27 in the middle area the shift shaft are arranged.
  • the depression 31 as a rectangular recess trained and serves to accommodate an elastic means 28 in the form of a leaf spring.
  • the leaf spring has two on it Ends of bent legs 35 on the bottom of the recess 31 are supported.
  • a cupped section 36 of the leaf spring lies with the control shaft 8 installed on the selector shaft in such a way that each one against first section 37 of the bearing surfaces of the two bearing assemblies 16 is pressed.
  • This first section 37 is the one Section of the storage area, due to the arrangement and the Path of movement of the coupling lever 23 (see FIG. 4) the forces when switching the switch on and / or off.
  • the Edge of the recess 31 has a slope 38 for easy Insert the leaf spring and the control shaft.
  • a cylindrical recess 34 with a first section 39 for receiving one end of a helical compression spring 40 and a second section 41 for receiving one of the helical compression spring worn pressure piece 42 formed.
  • the pressure piece 42 has a flat contact surface 43 which, when mounted Shift shaft 8 under the force of the helical compression spring 40 is applied to the shift shaft and this against the first section 37 of the bearing surface of the two bearing arrangements 16 presses.
  • a bowl-shaped pressure piece 44 can also be used be provided for its precise positioning supported on both sides by a helical compression spring 45 is.
  • Each of these two helical compression springs 45 engages one end each formed in the bottom of the recess 33 Recess 47 a.

Landscapes

  • Breakers (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
EP03090100A 2002-04-19 2003-04-08 Système de support pour l'arbre de commande et disjonteur basse tension comprenant un système de support pour l'arbre de commande Withdrawn EP1355330A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2002118938 DE10218938B4 (de) 2002-04-19 2002-04-19 Anordnung zur Lagerung einer Schaltwelle eines elektrischen Schalters und Niederspannungs-Leistungsschalter mit einer Anordnung zur Lagerung der Schaltwelle
DE10218938 2002-04-19

Publications (1)

Publication Number Publication Date
EP1355330A1 true EP1355330A1 (fr) 2003-10-22

Family

ID=28458956

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03090100A Withdrawn EP1355330A1 (fr) 2002-04-19 2003-04-08 Système de support pour l'arbre de commande et disjonteur basse tension comprenant un système de support pour l'arbre de commande

Country Status (2)

Country Link
EP (1) EP1355330A1 (fr)
DE (1) DE10218938B4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106024537A (zh) * 2016-06-30 2016-10-12 平高集团有限公司 断路器分合闸工装

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1559443A (fr) * 1968-03-01 1969-03-07
DE2041175A1 (de) * 1969-10-30 1971-05-06 Elektro App Werke Berlin Trept Einrichtung zur UEbertragung der Ausloesebewegung von elektromagnetischen Schnellausloesern auf die Ausloeseeinrichtung der Schaltschlossverklinkung eines mehrpoligen Selbstschalters
US4724411A (en) * 1985-07-08 1988-02-09 Mitsubishi Denki Kabushiki Kaisha Circuit breaker
DE19948716C1 (de) * 1999-09-30 2000-12-07 Siemens Ag Anordnung zur Lagerung der Schaltwelle eines Niederspannungs-Leistungsschalters und mehrpoliger Niederspannungs-Leistungsschalter mit eienr Anordnung zur Lagerung der Schaltwelle
US6166616A (en) * 1999-11-23 2000-12-26 Eaton Corporation Circuit breaker with trip bar reinforcing clip

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2359110B2 (de) * 1973-11-27 1978-04-27 Siemens Ag Befestigung einer feststehenden Achse in feinmechanischen Geraten
CH671272A5 (en) * 1986-11-27 1989-08-15 Landis & Gyr Ag Support for rigid axle - has stamped slot with sprung grip around axle bar
DE3901852A1 (de) * 1989-01-23 1990-07-26 Kloeckner Moeller Elektrizit Kontaktsystem fuer strombegrenzende leistungsschalter
DE29617388U1 (de) * 1996-09-27 1998-01-29 Siemens AG, 80333 München Lageranordnung für eine Schaltwelle
DE20103230U1 (de) * 2001-02-16 2002-06-20 Siemens Ag Niederspannungs-Leistungsschalter mit einer Lageranordnung für die Schaltwelle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1559443A (fr) * 1968-03-01 1969-03-07
DE2041175A1 (de) * 1969-10-30 1971-05-06 Elektro App Werke Berlin Trept Einrichtung zur UEbertragung der Ausloesebewegung von elektromagnetischen Schnellausloesern auf die Ausloeseeinrichtung der Schaltschlossverklinkung eines mehrpoligen Selbstschalters
US4724411A (en) * 1985-07-08 1988-02-09 Mitsubishi Denki Kabushiki Kaisha Circuit breaker
DE19948716C1 (de) * 1999-09-30 2000-12-07 Siemens Ag Anordnung zur Lagerung der Schaltwelle eines Niederspannungs-Leistungsschalters und mehrpoliger Niederspannungs-Leistungsschalter mit eienr Anordnung zur Lagerung der Schaltwelle
US6166616A (en) * 1999-11-23 2000-12-26 Eaton Corporation Circuit breaker with trip bar reinforcing clip

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106024537A (zh) * 2016-06-30 2016-10-12 平高集团有限公司 断路器分合闸工装

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Publication number Publication date
DE10218938B4 (de) 2004-07-01
DE10218938A1 (de) 2003-11-13

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