EP0849748A2 - Interrupteur électrique d'installation - Google Patents

Interrupteur électrique d'installation Download PDF

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Publication number
EP0849748A2
EP0849748A2 EP97121382A EP97121382A EP0849748A2 EP 0849748 A2 EP0849748 A2 EP 0849748A2 EP 97121382 A EP97121382 A EP 97121382A EP 97121382 A EP97121382 A EP 97121382A EP 0849748 A2 EP0849748 A2 EP 0849748A2
Authority
EP
European Patent Office
Prior art keywords
contact
lever
installation switch
switch according
roller
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Withdrawn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
EP97121382A
Other languages
German (de)
English (en)
Other versions
EP0849748A3 (fr
Inventor
Rolf Dipl.-Ing. Goehle
Klaus-Peter Dipl.-Ing. Eppe
Volker Schmitt
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 EP0849748A2 publication Critical patent/EP0849748A2/fr
Publication of EP0849748A3 publication Critical patent/EP0849748A3/fr
Withdrawn legal-status Critical Current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
    • H01H71/1009—Interconnected mechanisms
    • 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
    • H01H1/22—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact
    • H01H1/221—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member
    • H01H1/225—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member the supporting member being pivotable
    • 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
    • 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

Definitions

  • the invention relates to an electrical single or multi-pole installation switch according to the preamble of claim 1.
  • Multi-pole circuit breakers are currently designed so that several single-pole Line circuit breakers are strung together; the coupling between the poles takes place by means of pins which reach through the sides of the housing and U-shaped rails, that couple the control handles together.
  • the object of the invention is to an installation switch of the type mentioned create, in which the holder and guidance of the contact lever and their coupling improved with each other to avoid asymmetries between the switch poles is.
  • the coupling of the individual takes place Switch poles through a contact roller completely penetrating the switch poles, in which the individual contact levers are movably mounted.
  • the contact roller also called the contact shaft train; if the installation switch in a housing with a bowl-shaped Structure should be used, then the contact roller can be divided into individual contact sections be split up using a special coupling piece are coupled.
  • the contact roller serve to substantially avoid tolerance problems.
  • Special Coupling elements with which operating handles of operating or operating elements with each other by means of a rail, e.g. B. are coupled together, can be omitted or are no longer provided.
  • the invention takes place in a multi-pole line or Residual current circuit breaker application in which all poles are housed in one housing are divided into chambers that each hold one pole. The contact roller then reaches through all the chambers.
  • the contact roller according to a first embodiment can then by means of a first spring arrangement be constantly applied in the switch-off direction and between the Contact roller and each contact lever, a second spring arrangement is provided be, which acts on the contact lever, based on the contact roller in the switch-on direction.
  • only one spring arrangement can be provided be whose one spring end is fixed in the housing and the other spring end is connected to the contact lever; the contact lever is constantly in Switched off direction applied and for switching on and overcoming a dead center position of the gearbox, the contact lever is displaceable with respect to the contact roller stored in it.
  • a projection is formed on which a bracket engages with a latching point is coupled in the key switch.
  • the transmission lever mentioned above may have a U-shape, the leg ends of which Have pockets in which the contact carrier roller is inserted and between the contact carrier roller and the pockets each have a rigid coupling, so that when the transmission lever is turned, the contact carrier roller is also turned.
  • the contact roller 10 has a about elongated, cylindrical body in which one of the number of contact levers 11, 12 and 13 corresponding number of slots 14 are provided, in each a contact lever 11, 12, 13 is inserted.
  • the slots 14, of which only the slot is shown in Fig. 1 reach through the contact roller 10 perpendicular to Longitudinal axis.
  • the slot 14 is penetrated by an axis 15 (see below), which passes through a hole in the contact lever.
  • the contact lever 11 has at its one lower end a movable contact piece 17 which cooperates with a fixed contact piece 18.
  • the contact roller 10 is under the influence of a compression spring 19, which is the contact roller continuously counterclockwise in the switch-off direction.
  • a compression spring 19 which is the contact roller continuously counterclockwise in the switch-off direction.
  • a second spring 20 which the contact lever clockwise, based on the contact roller 10, in the switch-on direction acted upon.
  • the arrow 21 indicates the connection to a circuit breaker of the circuit breaker, in which the contact roller 10 is inserted with the contact levers 11 to 13 is, and can be in the form of a bracket (see below).
  • the contact roller 10 is inserted into a transmission lever 22, which has a crossbar 23, on which legs 24 and 25 are arranged.
  • the taverns 24 and 25 are shaped as semicircular walls 26 and 27, perpendicular on both sides for this purpose walls 28, 29, 30, 31 and 32, 33 are integrally formed, the walls 28 and 29 corresponding walls on the back of the semicircular wall 36 correspond. However, these are not visible in Fig. 3.
  • the walls 28 to 33 are each paired with each other and are located on a cylindrical surface whose The center of the center 34 of the contact roller 10 or the axis of rotation of the contact lever 11 is.
  • a gap 35, 36, 37 in each of which engage a radial projection 38 on the contact roller engages so that between the transmission lever 22 and the contact roller 10th over the gap 35 and the projection 38 or the gap 35 to 37 and the corresponding Projections 38 a rigid coupling between the transmission lever 22 and the contact roller is generated.
  • the contact roller 10 has a cylindrical projection 40 to which a Z-shaped bracket 41 is articulated is: A leg 42 of the Z-shaped bracket engages in the bore 43 and the other leg 44 is connected to the switch lock, not shown.
  • FIGS. 4 and 5 shows the contact roller 10 without the transfer bracket 22. Instead of the Z-shaped bracket 41, a U-shaped bracket 45 is provided; otherwise the arrangement is the same.
  • FIG. 2 differs from that according to FIG. 1 in the following:
  • the contact roller 10 is constructed in the same way as the contact roller 10 of FIG. 1, 4 to 7.
  • a contact lever 50 is inserted, the contact lever 11 or the contact levers 11 to 13 substantially the same; is different only that the contact lever 50 has an elongated hole 51 into which the pin 15th engages on the contact roller 10.
  • the contact lever 50 has an opening 52 in which one end 53 of an approximately circularly wound spiral spring 54 engages; and the other, Free end 55 of the spiral spring 54 abuts a stationary stop 56. Thereby the contact lever 50 is continuously counterclockwise in the switch-off direction acted upon.
  • the contact lever 50 like the contact lever 11, has a movable one Contact piece 57, which with a fixed contact piece 58 of the circuit breaker cooperates.
  • the arrow 21 indicates the switch-on force 21 from the switch lock is exerted on the contact roller via the bracket 41 or 45.
  • the spring 20 serves as a contact pressure spring for compensation a certain relative movement of the contact lever 11 before the end of the switch-on process; before the switch-on process is finished and the key switch latches is, the movable contact piece 17 bears against the fixed contact piece 18 and with further switch-on movement, the contact roller 10 rotates slightly, referred on the contact lever 11, further. 2, this causes the Spring 54 in connection with the elongated hole.
  • axis 15 is then based on the elongated hole 51, moved so that the pin 15 on the in Fig. 2nd right end 59 comes to rest.
  • FIG. 8 shows how a contact roller 10, which is only partially shown in FIG. 8 a trigger device 70 can be connected.
  • This has one electromagnetic release 71 with a coil 72 and a yoke 73 on which Tabs 74 running parallel to one another and parallel to the longitudinal axis of the coil 72 and 75 are formed, the free ends of which each have a recess 76 and 77.
  • the recesses 66 and 77 have diametrically opposite lugs 78 and 79 and a slot 80 each.
  • the contact roller 10 with the contact lever 11 has frontally rectangular, axially extending projections 81 with which the contact roller are inserted into the recesses 76 and 77 through the slot 80; the lugs 78 and 79 serve to prevent rotation of the contact roller 10. Otherwise can be seen on the contact roller 10, the circular shape, the slot 14 and the axial Projections 38. Furthermore, the projection 40 is also shown with the hole 43 in FIG that the bracket 41 or the bracket 45 can be inserted.
  • the trigger 70 is not only the electromagnetic one Trigger 71, but also has a thermal trigger 82 which at Overcurrent responds.
  • FIG. 9 represents part of a three-pole circuit breaker. It can be seen two shell-shaped housing parts 90 and 91 and two intermediate housings located between them 92 and 93, which are interconnected so that between the individual housing parts 90 to 93 each a room 94, 95 and 96 for receiving a Miniature circuit breaker poles are located.
  • an electromagnetic trigger and a thermal trigger are housed so can be formed, as shown in Fig. 8.
  • the electromagnetic trigger and the thermal trigger act on a striker 97, the electromagnetic Trigger is articulated via a hinge axis 98.
  • the trigger is located itself, in relation to the drawing plane, in front of the striking lever 97 and the striking lever 97 rotates about axis 98 so that the end opposite axis 98 99 projects perpendicularly to the plane of the drawing downwards, i.e. into the plane of the drawing.
  • the striking lever 97 has a central flat area 100 with which it acts on a trigger lever 102 rotatably mounted about an axis 101, so that a latching point 103, of which only one latching nose is shown, is released can be. This enables a switch lock to be released, which, for example in the parallel patent application . « (Mp.-Nr.96 / 691) is described.
  • the release lever which bears the reference number 102 here, has the reference number 50 there and the nose 103 there the reference number 52.
  • a thermal and an electromagnetic trigger are also in the rooms 95 and 96 housed, with a striking lever 97 only drawn in the room 95 is.
  • the striking lever 97 is also in the room 96.
  • Boards 104 to 108 are provided in all three rooms 94 to 96; in the rooms 95 and 96 are two boards 105, 106; 107, 108 drawn. Likewise there are two boards in the room 94, only the board 104 being drawn. Between The components of the key switch are then located on these two boards.
  • a pin 110 is formed on the inside of the outer wall 109 of the room 96, which engages in an opening 111 of a transmission member 112, so that the Transmission member 112 is mounted on the pin 110.
  • FIG. 13 in which the transmission element 112 is shown is.
  • An elongated cylindrical section 113 projects approximately tangentially a V-shaped or L-shaped flag 114 is formed; is also formed on the free end a tab-like projection 115 in which the eccentric bore 111 is accommodated is; one can see approximately in the central axis of the elongated section 113 a blind hole 117, which is also shown in FIG. 9.
  • a sliding plate 118 is formed, which is perpendicular to Longitudinal axis of the elongated portion 113 is aligned and on the outside a first pin 119 and a second shown only in broken lines Pin 120 carries; furthermore it has an actuating lug 121.
  • the pins 119 and 120 and the actuating lug 121 run parallel to the longitudinal axis of the elongated Section 113.
  • the sliding plate 118 is located in the recess 122 of a stepped opening 123 in the partition of the housing part 93 and is for assembly from the right through this opening 123 pushed through until the sliding plate 118 on the recess 122 rests.
  • the projection 110 engages in the bore 111.
  • the middle space 95 also has a transmission link 112, and it can be seen that the pin 120 engages in the blind hole 117, whereas the pin 119 engages in the corresponding bore 111.
  • the flag is 121 coupled with the trigger lever 102 as follows:
  • the impact lever rotates the transmission member 112 by Axle 110, 111.
  • the transmission link of the middle is via the pin 120 Space 95 taken, with a rotation of the transmission member 112 to the pin 119 is done.
  • the pin 119 is mounted in a bore 125 in the circuit board 106 is.
  • the pin 119 of the transmission element is also in a corresponding manner 112 stored in the middle space 95 in a bore (without reference number) of the circuit board 104.
  • the housing section 93 the boards 105, 106, 107 and 108.
  • the Boards 105 to 108 each have an axle 130, 131 mounted, each with a contact shaft or reach through a contact section 132 and 133; axes 130 and 131 correspond in the embodiment according to FIGS. 1 and 2, the axes 15.
  • In the housing part 93 there is a stepped opening 134 in which a coupling piece 135 for Coupling of the contact rollers 132 and 133 is mounted.
  • the coupling piece 135, see 11 also has a guide plate 136 which has two sections 137 and 138 have different diameters, also has the corresponding Opening 134 different sections 134a and 134b, the outer diameters sections 137 and 138 are adapted.
  • the offset t serves to compensate for tolerances, so that too with different tolerances it is always ensured that the contact points of the individual poles are opened or closed at the same time.
  • an axially projecting is on a contact roller 150 Arm 151 formed, which extends through an opening 152 in the middle housing parts 93 and into a recess 154 of the contact roller 155 of the adjacent pole intervenes.

Landscapes

  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
EP97121382A 1996-12-20 1997-12-05 Interrupteur électrique d'installation Withdrawn EP0849748A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1996153267 DE19653267A1 (de) 1996-12-20 1996-12-20 Elektrischer Installationsschalter
DE19653267 1996-12-20

Publications (2)

Publication Number Publication Date
EP0849748A2 true EP0849748A2 (fr) 1998-06-24
EP0849748A3 EP0849748A3 (fr) 1999-05-06

Family

ID=7815513

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97121382A Withdrawn EP0849748A3 (fr) 1996-12-20 1997-12-05 Interrupteur électrique d'installation

Country Status (2)

Country Link
EP (1) EP0849748A3 (fr)
DE (1) DE19653267A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1037239A3 (fr) * 1999-03-08 2001-12-05 Moeller GmbH Disjoncteur multipolaire
FR2940514A1 (fr) * 2008-12-19 2010-06-25 Schneider Electric Ind Sas Barre de transmission d'un bloc de commande a distance, et bloc la comprenant
CN109407153A (zh) * 2018-12-19 2019-03-01 中南大学 一种单通道固定式手动电极转换盒的使用方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007001471A1 (de) * 2007-01-05 2008-07-10 Siemens Ag Elektrische Schalteinrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1909358U (de) * 1964-11-11 1965-02-04 Stotz Kontakt Gmbh Schalter mit einer haltevorrichtung am kontakttraeger fuer einen mit einer kontaktdruckfeder zusammenarbeitenden kontaktfinger.
DE7831407U1 (de) * 1978-10-21 1979-03-01 H O M A Gesellschaft Fuer Hochstrom- Magnetschalter V. Vollenbroich Kg, 4330 Muelheim Schaltglied für den Ein- und Zusammenbau eines elektrischen Schalters
FR2584527B1 (fr) * 1985-07-05 1988-04-15 Telemecanique Electrique Interrupteur de protection a poles accouplables
DE3545972A1 (de) * 1985-12-23 1987-06-25 Bbc Brown Boveri & Cie Schaltwerk fuer einen elektrischen schutzschalter
US5025236A (en) * 1989-09-07 1991-06-18 Fuji Electric Co., Ltd. Circuit breaker
DE4330716A1 (de) * 1993-09-10 1995-03-16 Kloeckner Moeller Gmbh Schalter mit drehbarer Schaltwelle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1037239A3 (fr) * 1999-03-08 2001-12-05 Moeller GmbH Disjoncteur multipolaire
FR2940514A1 (fr) * 2008-12-19 2010-06-25 Schneider Electric Ind Sas Barre de transmission d'un bloc de commande a distance, et bloc la comprenant
CN109407153A (zh) * 2018-12-19 2019-03-01 中南大学 一种单通道固定式手动电极转换盒的使用方法
CN109407153B (zh) * 2018-12-19 2020-05-05 中南大学 一种单通道固定式手动电极转换盒的使用方法

Also Published As

Publication number Publication date
EP0849748A3 (fr) 1999-05-06
DE19653267A1 (de) 1998-06-25

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