EP1843377B1 - Entraînement à aimant pour un relais - Google Patents

Entraînement à aimant pour un relais Download PDF

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Publication number
EP1843377B1
EP1843377B1 EP07001241A EP07001241A EP1843377B1 EP 1843377 B1 EP1843377 B1 EP 1843377B1 EP 07001241 A EP07001241 A EP 07001241A EP 07001241 A EP07001241 A EP 07001241A EP 1843377 B1 EP1843377 B1 EP 1843377B1
Authority
EP
European Patent Office
Prior art keywords
relay
magnetic drive
armature
contact
contact spring
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.)
Active
Application number
EP07001241A
Other languages
German (de)
English (en)
Other versions
EP1843377A1 (fr
Inventor
Rainer Schmelz
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.)
Gruner AG
Original Assignee
Gruner AG
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Filing date
Publication date
Application filed by Gruner AG filed Critical Gruner AG
Publication of EP1843377A1 publication Critical patent/EP1843377A1/fr
Application granted granted Critical
Publication of EP1843377B1 publication Critical patent/EP1843377B1/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/641—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement
    • H01H50/642—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement intermediate part being generally a slide plate, e.g. a card
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2227—Polarised relays in which the movable part comprises at least one permanent magnet, sandwiched between pole-plates, each forming an active air-gap with parts of the stationary magnetic circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/645—Driving arrangements between movable part of magnetic circuit and contact intermediate part making a resilient or flexible connection
    • H01H50/646—Driving arrangements between movable part of magnetic circuit and contact intermediate part making a resilient or flexible connection intermediate part being a blade spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2272—Polarised relays comprising rockable armature, rocking movement around central axis parallel to the main plane of the armature

Definitions

  • the invention relates to a magnetic drive with a umpolbaren magnetic coil, with a permanent magnet having an armature which is pivotally mounted on two yoke legs of the solenoid between two switching positions, and with a parallel to the coil axis slidably guided actuator which is coupled in motion with the armature, and a relay with such a magnetic drive.
  • a relay with such a magnetic drive is for example by the DE 101 62 585 C1 or DE 102 49 697 B3 known.
  • a circuit between two electrical relay contacts is closed or interrupted by means of two parallel contact springs.
  • the contact springs are connected via a displaceable actuating element in conjunction with a permanent magnet of a H-armature, which is pivotally supported on two yoke legs of a magnetic coil.
  • the permanent magnet When reversing the magnetic coil pivots the permanent magnet, whereby the actuator is moved.
  • the actuating element engages behind the contact springs in their deflection direction, they are deflected out of their closed rest position, so that the circuit is interrupted.
  • the free ends of the contact springs are subjected to force in the direction of the closed end position in each case by a leaf spring, which is attached to the respective contact spring and is supported with its free end on the actuating element.
  • the actuator is slidably guided in housing parts of the relay housing, so that external stresses of the relay housing can be transferred to functional points of the control element and can lead to malfunction of the relay.
  • the magnetic drive is a magnetic drive with a magnetic coil and a magnetic circuit whose pivotable armature reverses depending on the coil energization and remains in the defined end positions by the pre-embossed magnetic field of the permanent magnet.
  • This unit is provided with attached to the yoke legs side cheeks, which have the rocker bearing of the armature and the guidance and fixing of the displaceable actuating element.
  • the side cheeks can also be attached to the bobbin of the solenoid.
  • the magnetic drive according to the invention is decoupled from outer housing parts, which can otherwise transmit external stresses to functional points of the actuating element.
  • the inventive Magnetic drive also allows a prefixed unit pre-testing and simplified assembly.
  • the invention also relates to a relay having at least one, in each case the circuit between a first and a second relay contact closing or interrupting contact spring, one end of each is conductively connected to the first relay contact and the other, free end of the circuit in a first relay position the contact spring is closed or interrupted in a second relay position of the contact spring, and with a magnetic drive constructed as above for deflecting the contact spring in the respective relay position.
  • the magnetic drive is mounted on a bottom plate of the relay housing to which a cap of the relay housing can be attached.
  • the actuator of the magnetic drive from the relay housing in particular from the bottom plate and the cap, decoupled, so that no external tension can be transferred to functional points of the actuating element.
  • Relay 1 shown comprises two relay contacts 2 , 3 and two the circuit between the two relay contacts 2 , 3 closing or interrupting parallel contact springs 4 , which are designed as electrically conductive leaf or flat spring.
  • the one ends of the contact springs 4 are electrically conductively attached to the upper relay contact 2 by means of a plurality of spot welds 5 , while the other, free ends 6 each carry a contact button 7 and are deflectable by means of a common magnetic drive 8 .
  • the contact springs 4 are in the in Fig.
  • the magnetic drive 8 comprises a umpolbare magnetic coil 10 with a magnetic circuit, at the two yoke legs 11, an armature (armature rocker) 12 with a permanent magnet (not shown) is pivotally held.
  • the permanent magnet is arranged between two armature plates 13 , which rest in each case on the yoke legs 11 in the two switching positions of the armature 12.
  • the magnetic coil 10 and the pivotable between its two switching positions armature 12 form a H-anchor suit.
  • the armature 12 engages with a protruding arm 14 in an opening 15 of an actuating element 16 , the linearly displaceable in the deflection of the contact spring 4 (double arrow 17 (FIG. Fig. 3 )) is guided.
  • each contact spring 4 is fastened from spring steel whose free end engages the adjusting element 16 each with a lateral, lower projection 19 and engages over with a lateral, upper projection 20 .
  • the actuator 16 takes with the two lower projections 19, the two contact springs 4 in the opening direction of the relay 1, ie upwards, and with the upper projections 20, the contact springs 4 in Closing direction of the relay 1, ie down, with.
  • the two contact springs 4 are motion-coupled to the adjusting element 16 in the opening and closing direction by means of the two leaf springs 18.
  • the contact springs 4 are each formed as a multilayer leaf spring with a laterally projecting from its plane arc portion 21 .
  • the magnetic field of the magnetic coil 10 is reversed, whereby the armature 12 is pivoted and the adjusting element 16 is displaced.
  • the actuator 16 In the closed relay position ( Fig. 3 ), the actuator 16 is displaced by the downwardly pivoted arm 14 downward, which are deflected via the leaf springs 18 and the contact springs 4 down to the contact of their contact buttons 4 on the contact buttons 9 of the lower relay contact 3.
  • the contact pressure of the contact buttons 7 to the contact buttons 9 of the lower relay contact 3 is given by the pressure force of the actuator 16 compressed leaf springs 18.
  • the leaf springs 18 counteract the deflection of the contact springs 4 in the opening direction, which leads to a bounce-reduced closing of the relay 1.
  • the actuator 16 In the open relay position, the actuator 16 is displaced by the upwardly pivoted arm 14 upwards, whereby the contact springs 4 are taken from the lower projections 19 of the actuating element 16 and the contact buttons 7 are lifted from the contact buttons 9 of the lower relay contact 3.
  • the magnetic drive 8 further comprises two side cheeks 22 , which are laterally attached to both yoke legs 11.
  • the two yoke legs 11 each have lower and upper plug-in projections 23 on both sides and the side cheeks 22 corresponding lower and upper plug-in openings 24 .
  • Each yoke leg 11 is formed by the one leg of a U-shaped part, the other leg (not shown) is inserted into the longitudinal opening of the bobbin 25 .
  • the two side cheeks 22 each have lower and upper guides 26 on their mutually facing sides and a bearing opening 27 therebetween.
  • the actuator 16 is slidably guided between the two side cheeks 22 in the guides 26 and held captive, and the armature 12 is pivotally mounted with two-sided bearing pin 28 between the two side cheeks 22 in the bearing openings 27.
  • the two relay contacts 2, 3 and the magnetic drive 8 are mounted on a common bottom plate 29 of the relay housing.
  • the first relay contact 2 is inserted from above between side walls 30 of the bottom plate 29 and latched there by means of inside latches of the side walls 30.
  • the second relay contact 3 is inserted into a side insertion compartment 31 of the bottom plate 29.
  • On the bottom plate 29 is also a plug housing 32 for connection contacts 33 of the magnetic coil 10 is provided.
  • the relay contacts 2, 3 and the magnetic drive 8 are covered with a cap 34 which is latched to the bottom cap 29 via outside notches 35 of the side walls 30.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Breakers (AREA)
  • Tumbler Switches (AREA)
  • Relay Circuits (AREA)

Claims (12)

  1. Entraînement magnétique (8), avec une bobine d'électro-aimant (10) à inversion de polarité, avec un induit (12), qui présente un aimant permanent et qui est maintenu sur deux branches de culasse (11) de la bobine d'électro-aimant (10) à pivotement entre deux positions de commutation, et avec un élément d'actionnement (16) qui est guidé en translation parallèlement à l'axe de la bobine et qui est couplé en déplacement à l'induit (12),
    caractérisé en ce que deux joues latérales (22) sont fixées sur les deux branches de culasse (11) ou sur le corps de bobine (25) de la bobine d'électro-aimant (10), joues entre lesquelles l'élément d'actionnement (16) est maintenu en étant guidé en translation et dans lesquelles l'induit (12) est monté à pivotement.
  2. Entraînement magnétique selon la revendication 1, caractérisé en ce que les joues latérales (22) sont emboîtées sur les deux branches de culasse (11) ou sur le corps de bobine (25) de la bobine d'électro-aimant (10).
  3. Entraînement magnétique selon la revendication 2, caractérisé en ce que chaque joue latérale (22) est respectivement emboîtée sur les deux branches de culasse (11).
  4. Entraînement magnétique selon la revendication 2 ou 3, caractérisé en ce que les deux branches de culasse (11) présentent respectivement des saillies d'emboîtement (23) de part et d'autre.
  5. Entraînement magnétique selon l'une des revendications précédentes, caractérisé en ce que chaque joue latérale (22) présente un guide supérieur et un guide inférieur (26) pour l'élément d'actionnement (16), et entre ces guides un palier de montage (27) pour l'induit (12).
  6. Entraînement magnétique selon l'une des revendications précédentes, caractérisé en ce que chaque branche de culasse (11) est formée par l'une des branches d'une pièce en forme de U dont l'autre branche est insérée dans une ouverture longitudinale du corps de bobine (25).
  7. Relais (1), avec au moins un ressort de contact (4) fermant ou interrompant respectivement le circuit électrique entre un premier et un second contact de relais (2, 3), ressort dont une extrémité est respectivement reliée en conduction au premier contact de relais (2) et par l'intermédiaire de l'autre extrémité, libre (6) duquel le circuit électrique est respectivement fermé dans une première position de relais du ressort de contact (4) ou interrompu dans une seconde position de relais du ressort de contact (4), et avec un entraînement magnétique (8) selon l'une des revendications précédentes pour dévier le ressort de contact (4) dans la position de relais respective.
  8. Relais selon la revendication 7, caractérisé en ce que le ou chaque ressort de contact (4) est couplé en déplacement à l'élément d'actionnement (16) de l'entraînement magnétique (8) dans la direction d'ouverture et/ou de fermeture du relais (1).
  9. Relais selon la revendication 8, caractérisé en ce que le ou chaque ressort de contact (4) est engagé par en dessous et/ou par en dessus par l'élément d'actionnement (16) dans sa direction de déviation.
  10. Relais selon l'une des revendications 7 à 9, caractérisé en ce que le ou chaque ressort de contact (4) est couplé en déplacement à l'élément d'actionnement (16) par l'intermédiaire d'un ressort supplémentaire (18) fixé sur le ressort de contact (4).
  11. Relais selon l'une des revendications 7 à 10, caractérisé en ce que l'entraînement magnétique (8) est fixé sur une plaque de fond (29) du boîtier de relais.
  12. Relais selon la revendication 11, caractérisé en ce qu'un capot (34) du boîtier de relais est fixé à la plaque de fond (29).
EP07001241A 2006-04-03 2007-01-20 Entraînement à aimant pour un relais Active EP1843377B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006015815A DE102006015815B3 (de) 2006-04-03 2006-04-03 Magnetantrieb für ein Relais

Publications (2)

Publication Number Publication Date
EP1843377A1 EP1843377A1 (fr) 2007-10-10
EP1843377B1 true EP1843377B1 (fr) 2009-03-18

Family

ID=38104360

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07001241A Active EP1843377B1 (fr) 2006-04-03 2007-01-20 Entraînement à aimant pour un relais

Country Status (4)

Country Link
EP (1) EP1843377B1 (fr)
AT (1) ATE426242T1 (fr)
DE (2) DE102006015815B3 (fr)
ES (1) ES2320809T3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2131377A1 (fr) * 2008-06-04 2009-12-09 Gruner AG Relais doté d'une bascule d'ancre double
US7889032B2 (en) * 2008-07-16 2011-02-15 Tyco Electronics Corporation Electromagnetic relay
US8203403B2 (en) 2009-08-27 2012-06-19 Tyco Electronics Corporation Electrical switching devices having moveable terminals
US8564386B2 (en) 2011-01-18 2013-10-22 Tyco Electronics Corporation Electrical switching device
US8222981B1 (en) 2011-01-18 2012-07-17 Tyco Electronics Corporation Electrical switching device
DE102018109864B4 (de) * 2018-04-24 2021-09-02 Phoenix Contact Gmbh & Co. Kg Relais

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8816821U1 (de) * 1988-11-05 1990-09-27 W. Gruner GmbH Relaisfabrik, 7209 Wehingen Relais
DE9320696U1 (de) * 1993-07-15 1994-11-24 W. Gruner Gmbh Relaisfabrik, 78564 Wehingen Relais zum Schalten hoher Stromstärken
DE10162585C1 (de) * 2001-12-19 2003-04-24 Gruner Ag Prellreduziertes Relais
DE10249697B3 (de) * 2002-10-25 2004-04-15 Gruner Ag Prellreduziertes Relais

Also Published As

Publication number Publication date
ATE426242T1 (de) 2009-04-15
EP1843377A1 (fr) 2007-10-10
ES2320809T3 (es) 2009-05-28
DE502007000516D1 (de) 2009-04-30
DE102006015815B3 (de) 2007-09-06

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