EP0849762A2 - Interrupteur électrique d'installation - Google Patents

Interrupteur électrique d'installation Download PDF

Info

Publication number
EP0849762A2
EP0849762A2 EP97121618A EP97121618A EP0849762A2 EP 0849762 A2 EP0849762 A2 EP 0849762A2 EP 97121618 A EP97121618 A EP 97121618A EP 97121618 A EP97121618 A EP 97121618A EP 0849762 A2 EP0849762 A2 EP 0849762A2
Authority
EP
European Patent Office
Prior art keywords
lever
guide element
installation switch
leg
contact
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
EP97121618A
Other languages
German (de)
English (en)
Other versions
EP0849762A3 (fr
EP0849762B1 (fr
Inventor
Gerhard Dipl.-Ing. Mössner
Heinz Dr.-Ing. Popa
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 EP0849762A2 publication Critical patent/EP0849762A2/fr
Publication of EP0849762A3 publication Critical patent/EP0849762A3/fr
Application granted granted Critical
Publication of EP0849762B1 publication Critical patent/EP0849762B1/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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • 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
    • H01H71/40—Combined electrothermal and electromagnetic mechanisms

Definitions

  • the invention relates to an electrical installation switch, in particular a circuit breaker according to the preamble of claim 1.
  • Such an installation switch has a thermal and electromagnetic Trigger, wherein the thermal trigger is usually a bimetallic thermoplastic that can also be replaced by a shape memory alloy.
  • the electromagnetic The trigger speaks for a short-circuit current and the thermal trigger for one so-called overcurrent. Both act on the latching point in a key switch, thereby opening a contact point; at the same time, the clutch coupled with it rotates Switch toggle in the so-called off position.
  • the object of the invention is to provide an installation switch of the type mentioned to create, which is easier to set up and also fully automated is.
  • the switch toggle is perpendicular to the front wall of the installation switch linearly movable guide element coupled by means of a bracket, so that the guide element when the switching knob is turned in two positions is spendable.
  • a ratchet lever is rotatably mounted on the guide element which act on the thermal or magnetic release and which counteracts the Is pivotable by a spring.
  • a slot in the guide element is a End of a bracket, the other end is coupled to the contact lever, and on the ratchet lever a nose is formed, against which the led in the slot End of the bracket is pressed to the latch.
  • the elongated hole is in the guide element aligned approximately perpendicular to the front wall.
  • the nose on the ratchet lever is arranged so that it has the elongated hole in the latched state covered across.
  • the guide element preferably has both sides Noses that are guided in the guide recesses of two boards, which are also rotatable Serve the switch toggle.
  • the arrangement is with ratchet lever, guide element and bracket in a row in the area of the front wall arranged, which runs parallel to the front wall.
  • the guide element is aligned perpendicular to the front wall, is the movement of the anchor of the magnetic release aligned parallel to the front wall.
  • the bimetal runs parallel to the axis of the armature or the electromagnetic release.
  • a transmission lever is rotatably mounted on the yoke of the electromagnetic release, the perpendicular to the front wall and thus perpendicular to the axis of the electromagnetic Trigger is aligned and runs in front of the trigger, so that the anchor of the electromagnetic trigger can act vertically on the transmission lever.
  • FIG. 1 shows a schematic sectional view or view of FIG an electrical installation device where those parts are omitted are which are not important for the invention, for example the connecting terminals, the arc quenching plate package and the like
  • the front wall has a conventional housing 10 of a circuit breaker 11 12 an opening 13 through which a rotatably mounted on a fixed axis 15 Switch toggle 14 protrudes with an actuation extension 16.
  • actuation extension 16 About diametrically opposite the actuation extension 16 has an eye 17 formed on the switching knob 14 the free end of which is articulated on an axle 18 a transmission lever 19.
  • a guide element 20 is on the front wall 12 below the switching knob 14 provided, which is displaceable perpendicular to the front wall 12 and in not closer shown circuit boards is guided; for this purpose, the guide element 20 lugs on both sides, which can be moved in corresponding guide slots on the circuit boards are, the guide slots are perpendicular to the front wall 12.
  • the noses jump across the plane of the broad side of the housing 10, that is perpendicular to the plane of the drawing, before, the boards on both sides of the guide element 20 parallel to the plane of the drawing run.
  • the rear derailleur, the toggle 14 and (see below) the Contact levers are stored in the boards, similar to e.g. B. the rear derailleur Switch toggle and the contact lever of switch S2 from ABB Stotz-Kontakt GmbH, Heidelberg.
  • the transmission lever 19 extends approximately perpendicular to when switched on Front wall 12 and is at its other end by means of an axis 36 on the guide element 20 (see below) coupled.
  • the guide element 20 has a recess 21, in which a V-shaped latch lever 22 is arranged and in the vicinity of the gear knob Area of the guide element 20 is rotatably supported thereon about an axis 23 is.
  • the first leg 24 also extends approximately in the so-called switched-on state perpendicular to the front wall, and the second leg 25 jumps at an angle of about 30 ° in relation to the first leg 24, the opening of the V-shape from the front wall 12 is directed away.
  • a nose 26 is formed on the side of the first leg 24 opposite the second leg.
  • the axis of rotation 23 of the pawl lever 22 is in the tip of the V-shape.
  • the guide element 20 has an elongated hole 27, which is also perpendicular to Front wall or in the direction of the movement of the guide element 20. in the switched on state or in the so-called latched state (see below) covered the nose 26 the elongated hole transversely to its longitudinal extent.
  • a first leg 28 of a U-shaped bracket 29 is guided in the slot 27, whose other leg 30 is guided in a contact carrier roller 31, which is stationary (as mentioned above, in the circuit boards) is rotatably mounted and in which via an axis 32 a contact lever 33 is rotatably mounted, the movable contact piece 34 with a fixed contact piece 35 cooperates and thus forms a contact point.
  • the first leg 28 on the contact lever 33rd facing side of the nose 26 engages in the slot 27.
  • the transmission bracket 19 is by means of the axis of rotation 36 on the area near the contact lever of the guide element 20 rotatably coupled so that the guide element 20th can be moved perpendicular to the front wall 12 by means of the actuating element 14, 16 can.
  • An electromagnetic trigger 37 is arranged in the area of the front wall 12 a yoke 39 formed on the yoke leg 38 facing the front wall 12 is on which on a shaft 40 a transmission bracket 41 is pivotally mounted approximately perpendicular to the front wall 12 or parallel to the direction of movement of the guide element 20 extends and runs in front of the armature 42 of the electromagnetic release.
  • the transmission lever 41 covers the electromagnetic release 37.
  • a bimetallic 44 is attached, which is parallel runs to the axis of the electromagnetic release 37 and towards the contact lever 33 projects and the electromagnetic release 37 and the transmission lever 41 protrudes forward, that is to say towards the guide element 20.
  • a lever element 45 rotatably mounted on a pivot axis 46, one arm 47 with the bimetal 44 and the other arm 48 with the Transmission lever 41 cooperates.
  • the bimetallic 44 bends downward clockwise, whereby it acts on the arm 47 of the lever 45 and this also pivoted counterclockwise about the axis 46.
  • the other arm 48 acts on the transmission lever 41 and pivots this around the Axis 40 clockwise, causing the transfer lever 41 to the second Leg 25 strikes and this pivoted clockwise about the axis 23.
  • the nose 26 comes from the area of the elongated hole 27 and the transmission bracket 29 can move upward in the slot 27, that is to say towards the switching knob 14.
  • the switching knob 14 pivots in the off position and the contact lever 33 also comes to the off position.
  • the trigger acts with its armature 43 also on the transmission lever 41 and pivots it clockwise, whereby the pawl lever 22 is pivoted in the same way.
  • the guide element 20 moves upward in the direction of the shift knob.
  • the spring that pivots the pawl lever 22 counterclockwise is not drawn; it can be a coil spring or a suitably designed spiral spring be.
  • That the guide element 20 is movable linearly and perpendicular to the front wall means also that instead of a switch knob 14 also a push button to drive the Derailleur could be used.
  • the push button would be one Assign locking surface as described in FR-A 2 322 442. Essential is that the points of action on the switch lock from the thermal and electromagnetic Trigger and that of the key switch on the contact lever the same are.

Landscapes

  • Breakers (AREA)
  • Keying Circuit Devices (AREA)
  • Relay Circuits (AREA)
  • Push-Button Switches (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
EP97121618A 1996-12-20 1997-12-09 Interrupteur électrique d'installation Expired - Lifetime EP0849762B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19653293 1996-12-20
DE19653293A DE19653293A1 (de) 1996-12-20 1996-12-20 Elektrischer Installationsschalter

Publications (3)

Publication Number Publication Date
EP0849762A2 true EP0849762A2 (fr) 1998-06-24
EP0849762A3 EP0849762A3 (fr) 1999-01-07
EP0849762B1 EP0849762B1 (fr) 2002-12-18

Family

ID=7815531

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97121618A Expired - Lifetime EP0849762B1 (fr) 1996-12-20 1997-12-09 Interrupteur électrique d'installation

Country Status (3)

Country Link
EP (1) EP0849762B1 (fr)
AT (1) ATE230157T1 (fr)
DE (2) DE19653293A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1051948B (de) * 1957-01-19 1959-03-05 Elektroinstallation Annaberg V Schaltmechanismus fuer elektrische Kleinselbstschalter
CH640082A5 (de) * 1979-02-06 1983-12-15 Weber Ag Fab Elektro Leitungsschutzschalter.
DD204343A1 (de) * 1981-08-13 1983-11-23 Wolfgang Suess Leitungsschutzschalter in schmalbauweise

Also Published As

Publication number Publication date
ATE230157T1 (de) 2003-01-15
EP0849762A3 (fr) 1999-01-07
EP0849762B1 (fr) 2002-12-18
DE59709007D1 (de) 2003-01-30
DE19653293A1 (de) 1998-06-25

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