EP0078324B1 - Polarized electromagnetic relay - Google Patents

Polarized electromagnetic relay Download PDF

Info

Publication number
EP0078324B1
EP0078324B1 EP82901306A EP82901306A EP0078324B1 EP 0078324 B1 EP0078324 B1 EP 0078324B1 EP 82901306 A EP82901306 A EP 82901306A EP 82901306 A EP82901306 A EP 82901306A EP 0078324 B1 EP0078324 B1 EP 0078324B1
Authority
EP
European Patent Office
Prior art keywords
yokes
coil
armature
yoke
current
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
Application number
EP82901306A
Other languages
German (de)
French (fr)
Other versions
EP0078324A1 (en
EP0078324A4 (en
Inventor
Hidetoshi Matsushita
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Works Ltd
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
Priority claimed from JP6560281A external-priority patent/JPS57180832A/en
Priority claimed from JP6560181A external-priority patent/JPS57180831A/en
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of EP0078324A1 publication Critical patent/EP0078324A1/en
Publication of EP0078324A4 publication Critical patent/EP0078324A4/en
Application granted granted Critical
Publication of EP0078324B1 publication Critical patent/EP0078324B1/en
Expired legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1607—Armatures entering the winding
    • H01F7/1615—Armatures or stationary parts of magnetic circuit having permanent magnet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1638—Armatures not entering the winding
    • H01F7/1646—Armatures or stationary parts of magnetic circuit having permanent magnet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2209—Polarised relays with rectilinearly movable armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
    • H01F7/122—Guiding or setting position of armatures, e.g. retaining armatures in their end position by permanent magnets

Definitions

  • the invention relates to a polarized relay represented in the preamble of claim.
  • a relay with these features is known from FR-A-1 417 292.
  • the armature of this relay has a right and a left stable position in which the magnetic circuit over the pole faces of the short legs of the inner, second yoke, the plate attached to it at the end of the rod-shaped armature, the armature, the plate at the other end thereof and finally the opposite pole faces of the short legs of the outer yoke are closed. With each change of sign of the current or current pulse flowing through the excitation coil, the armature changes from one stable position to the other.
  • the invention has for its object to provide a polarized relay of this type that allows three defined positions of the armature to be achieved using only one excitation coil.
  • DE-A-2 420 091 already discloses a relay with a rod-shaped armature, divided in the middle, which is enclosed by an excitation coil.
  • this is an electromagnetic relay without permanent magnets and accordingly also without enclosing yokes. Operation with three defined positions of the anchor is neither desirable nor achievable.
  • the division of the armature rod of this relay also has another purpose: The mutually opposite end faces of the armature rods form movable relay contacts there, which are each contacted via current-carrying spring strips, with which the plate-shaped flange ends of the armature rod halves lying outside the excitation coil are firmly connected.
  • the relay shown has two cross-sectionally U-shaped, with their short legs facing each other, first yokes 1 and two smaller yokes 5, which are enclosed by them at a distance. Between the first yokes 1 and the second yokes 5 there is a permanent magnet 6 each arranged at right angles to the large surfaces of the yokes, magnetic axis.
  • the second yokes 5 enclose an excitation coil 11.
  • This surrounds a rod-shaped armature which can be displaced in the direction of the coil axis and which has two partial rods 7a, 7b of equal length, between which a prestressed helical compression spring 62 is arranged.
  • the two ends of the armature partial rods 7a and 7b, which lie outside the excitation coil 11, carry plates 8 and 9, respectively, which in the currentless state shown in FIG with a very small air gap a or on the inner pole faces of the opposite short legs 3 of the outer yokes 1 with a very small air gap d.
  • the magnetic flux X of the permanent magnet 6 closes via the large air gaps b and c between the plates 8 and 9 and the respective end faces of the inner yokes 5. This is a first defined position, namely the rest position of the armature 7a, 7b.
  • Fig. 2 shows the first working position in which the excitation coil 11 is flowed through in such a way that it generates a magnetic flux Y, which weakens the permanent magnetic flux X in the air gaps a and c, on the other hand in the air gaps b and d.
  • a force W directed to the right is therefore generated on the anchor partial rod 7a, which brings the plate 8 into contact with the end faces of the inner yokes 5 under compression of the helical compression spring 62. If the current through the coil 11 is switched off, the idle state shown in FIG. 1 results again ...
  • Figure 3 shows the second working position.
  • the excitation coil 11 is flowed through in the opposite direction with respect to FIG. 2 by the current.
  • the coil then generates a magnetic flux Y 2 , which amplifies the magnetic flux X of the permanent magnet 6 in the air gaps a and c, but weakens it in the air gaps b and d.
  • the other tie rod 7b is now under compression of the helical compression spring 62 in the direction of arrow Z from the pole faces of the short legs 3 of the outer yokes 1 and attracted to the end faces of the inner yokes 5.
  • the state shown in FIG. 1 is reached again when the current is switched off.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)

Description

Die Erfindung betrifft ein polarisiertes Relais dar im Oberbegriff des Patentanspruches angegebenen Art.The invention relates to a polarized relay represented in the preamble of claim.

Ein Relais mit diesen Merkmalen ist aus dar FR-A-1 417 292 bekannt. Der Anker dieses Relais hat eine rechte und eine linke stabile Lage, in der der magnetische Kreis jeweils über die Polflächen der kurzen Schenkel des inneren, zweiten Joches, die hieran anliegende Platte am Ende des stangenförmigen Ankers, den Anker, die Platte am anderen Ende desselben und schließlich die gegenüberliegenden Polflächen der kurzen Schenkel des äußeren Jochs geschlossen ist. Mit jedem Vorzeichenwechsel des die Erregerspule durchfließenden Stromes oder Stromimpulses wechselt dar Anker von der einen stabilen Lage in die andere.A relay with these features is known from FR-A-1 417 292. The armature of this relay has a right and a left stable position in which the magnetic circuit over the pole faces of the short legs of the inner, second yoke, the plate attached to it at the end of the rod-shaped armature, the armature, the plate at the other end thereof and finally the opposite pole faces of the short legs of the outer yoke are closed. With each change of sign of the current or current pulse flowing through the excitation coil, the armature changes from one stable position to the other.

Der Erfindung liegt die Aufgabe zugrunde, ein polarisiertes Relais dieser Gattung zu schaffen, das unter Verwendung nur einer Erregerspule drei definierte Lagen des Ankers zu erreichen gestattet.The invention has for its object to provide a polarized relay of this type that allows three defined positions of the armature to be achieved using only one excitation coil.

Diese Aufgabe ist bei einem Relais dar genannten Gattung erfindungsgemäß durch die im Kennzeichen des Patentanspruchs angegebenen Merkmale gelöst.This object is achieved according to the invention in a relay represented by the features specified in the characterizing part of the patent claim.

Zwar ist aus der DE-A- 2 420 091 bereits ein Relais mit stangenförmigem, in der Mitte geteiltem Anker, der von einer Erregerspule umschlossen ist, bekannt.DE-A-2 420 091 already discloses a relay with a rod-shaped armature, divided in the middle, which is enclosed by an excitation coil.

Hierbei handelt es sich jedoch um ein elektromagnetisches Relais ohne Dauermagnete und dementsprechend auch ohne umschließende Joche. Ein Betrieb mit drei definierten Lagen des Ankers ist weder angestrebt noch erreichbar. Die Teilung der Ankerstange dieses Relais hat auch einen anderen Zweck: Die einander gegenüberstehenden Stirnflächen der Ankerstangen bilden dort bewegliche Relaiskontakte, die jeweils über stromführende Federstreifen kontaktiert sind, mit denen die außerhalb der Erregerspule liegenden, plattenförmigen Flanschenden der Ankerstangenhälften fest verbunden sind.However, this is an electromagnetic relay without permanent magnets and accordingly also without enclosing yokes. Operation with three defined positions of the anchor is neither desirable nor achievable. The division of the armature rod of this relay also has another purpose: The mutually opposite end faces of the armature rods form movable relay contacts there, which are each contacted via current-carrying spring strips, with which the plate-shaped flange ends of the armature rod halves lying outside the excitation coil are firmly connected.

In der Zeichnung ist das Relais nach der Erfindung schematisch vereinfacht dargestellt. Es zeigt:

  • Figur.1 eine teilweise im Schnitt gehaltene Seitenansicht des Relais im stromlosen Zustand,
  • Figur 2 das Relais nach Fig. 1 bei in einer ersten Richtung stromdurchflossener Erregerspule und
  • Figur 3 das Relais nach Figur 1 bei in der entgegengesetzten Richtung stromdurchflossener Erregerspule.
In the drawing, the relay according to the invention is shown schematically simplified. It shows:
  • 1 shows a side view, partly in section, of the relay in the de-energized state,
  • Figure 2 shows the relay of FIG. 1 with excitation coil through which current flows in a first direction and
  • 3 shows the relay according to FIG. 1 with the excitation coil through which current flows in the opposite direction.

Das dargestellte Relais hat zwei im Querschnitt U-förmige, mit ihren kurzen Schenkeln einander zugewandte erste Joche 1 und zwei von diesen mit Abstand umschlossenen, kleinere, zweite Joche 5. Zwischen den ersten Jochen 1 und den zweiten Jochen 5 ist je ein Permanentmagnet 6 mit rechtwinklig zu den Großflächen der Joche verlaufender, magnetischer Achse angeordnet.The relay shown has two cross-sectionally U-shaped, with their short legs facing each other, first yokes 1 and two smaller yokes 5, which are enclosed by them at a distance. Between the first yokes 1 and the second yokes 5 there is a permanent magnet 6 each arranged at right angles to the large surfaces of the yokes, magnetic axis.

Die zweiten Joche 5 umschließen eine Erregerspule 11. Diese umgibt einen in Richtung der Spulenachse verschiebbaren, stangenförmigen Anker, der zwei gleichlange Teilstangen 7a, 7b aufweist, zwischen denen eine vorgespannte Schraubendruckfeder 62 angeordnet ist. Die beiden außerhalb der Erregerspule 11 liegenden Enden der Ankerteilstangen 7a bzw. 7b tragen Platten 8 bzw. 9, die in dem im Fig. 1 gezeichneten, stromlosen Zustand infolge der Vorspannung der Schraubendruckfeder 62 an den innenliegenden Polflächen der kurzen Schenkel 2 der äußeren Joche 1 mit einem ganz geringen Luftspalt a bzw. an den innenliegenden Polflächen der gegenüberliegenden kurzen Schenkel 3 der äußeren Joche 1 mit einem ganz geringen Luftspalt d anliegen. Der Magnetfluß X des Permanentmagneten 6 schließt sich über die großen Luftspalte b bzw. c zwischen den Platten 8 bzw. 9 und den jeweiligen Stirnflächen der inneren Joche 5. Dies ist eine erste definierte Lage, nämlich die Ruhelage des Ankers 7a, 7b.The second yokes 5 enclose an excitation coil 11. This surrounds a rod-shaped armature which can be displaced in the direction of the coil axis and which has two partial rods 7a, 7b of equal length, between which a prestressed helical compression spring 62 is arranged. The two ends of the armature partial rods 7a and 7b, which lie outside the excitation coil 11, carry plates 8 and 9, respectively, which in the currentless state shown in FIG with a very small air gap a or on the inner pole faces of the opposite short legs 3 of the outer yokes 1 with a very small air gap d. The magnetic flux X of the permanent magnet 6 closes via the large air gaps b and c between the plates 8 and 9 and the respective end faces of the inner yokes 5. This is a first defined position, namely the rest position of the armature 7a, 7b.

Fig. 2 zeigt die erste Arbeitslage, in der die Erregerspule 11 in der Weise stromdurchflossen ist, daß sie einen Magnetfluß Y, erzeugt, der den Permanentmagnetfluß X in den Luftspalten a und c schwächt, hingegen in den Luftspalten b und d verstärkt. Auf die Ankerteilstange 7a wird daher eine nach rechts gerichtete Kraft W erzeugt, die die Platte 8 unter Kompression der Schraubendruckfeder 62 zur Anlage an die Stirnflächen der inneren Joche 5 bringt. Wird der Strom durch die Spule 11 abgeschaltet, so ergibt sich wieder der in Fig. 1 dargestellte Ruhezustand...Fig. 2 shows the first working position in which the excitation coil 11 is flowed through in such a way that it generates a magnetic flux Y, which weakens the permanent magnetic flux X in the air gaps a and c, on the other hand in the air gaps b and d. A force W directed to the right is therefore generated on the anchor partial rod 7a, which brings the plate 8 into contact with the end faces of the inner yokes 5 under compression of the helical compression spring 62. If the current through the coil 11 is switched off, the idle state shown in FIG. 1 results again ...

Figur 3 zeigt die zweite Arbeitslage. Die Erregerspule 11 wird in bezug auf Figur 2 in umgekehrter Richtung vom Strom durchflossen. Die Spule erzeugt dann einen Magnetfluß Y2, der den Magnetfluß X des Permanentmagnets 6 in den Luftspalten a und c verstärkt, hingegen in den Luftspalten b und d schwächt.Figure 3 shows the second working position. The excitation coil 11 is flowed through in the opposite direction with respect to FIG. 2 by the current. The coil then generates a magnetic flux Y 2 , which amplifies the magnetic flux X of the permanent magnet 6 in the air gaps a and c, but weakens it in the air gaps b and d.

Daher wird nun die andere Ankerteilstange 7b unter Kompression der Schraubendruckfeder 62 in Richtung des Pfeiles Z von den Polflächen der kurzen Schenkel 3 der äußeren Joche 1 abgehoben und an die Stirnflächen der inneren Joche 5 angezogen. Auch hier wird bei Abschalten des Stromes der in Fig. 1 dargestellte Zustand wieder erreicht.Therefore, the other tie rod 7b is now under compression of the helical compression spring 62 in the direction of arrow Z from the pole faces of the short legs 3 of the outer yokes 1 and attracted to the end faces of the inner yokes 5. Here, too, the state shown in FIG. 1 is reached again when the current is switched off.

Claims (1)

1. A polarised relay having two first yokes (1) which are of U-shaped cross-section and which have short limbs (2, 3) and which face towards each other with said limbs (2, 3), and smaller second yokes (5) which are enclosed by said first yokes (1) at a spacing, wherein disposed between each of the first and second yokes is a respective permanent magnet (6) with its magnetic axis extending perpendicularly to the longitudinal direction of the yokes (1, 5) and wherein the second yokes (5) are disposed around an energisation coil (11) which surrounds a bar-like region of an armature (7a, 7b), which is displaceable in the direction of the axis of the coil and which outside the coil (11) has plate-like end regions (8, 9) which are displaceable between the inside surfaces, forming pole surfaces, of the short limbs (2, 3) of the first yoke (1) and the end surfaces of the second yoke (5), characterised in that the bar-like region of the armature which is disposed in the energisation coil (11) comprises two bar portions (7a, 7b) of equal length, between which is arranged a prestressed coil compression spring (62) whose stressing is of such a magnitude that the plate-like end regions (8,9) of the armature (7a, 7b) bear against the pole surfaces (2, 3) of the short limbs of the first yoke (1) when the energisation coil (11) is current-less, while when current is flowing through the energisation coil (11), depending on the direction of the current, either one or the other of the plate-like end regions bears against the corresponding end surfaces of the second yoke (5).
EP82901306A 1981-04-30 1982-04-30 Polarized electromagnetic relay Expired EP0078324B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP6560281A JPS57180832A (en) 1981-04-30 1981-04-30 Polarized relay
JP6560181A JPS57180831A (en) 1981-04-30 1981-04-30 Magnetic circuit for polarized relay
JP65602/81 1981-04-30
JP65601/81 1981-04-30

Publications (3)

Publication Number Publication Date
EP0078324A1 EP0078324A1 (en) 1983-05-11
EP0078324A4 EP0078324A4 (en) 1985-10-28
EP0078324B1 true EP0078324B1 (en) 1987-08-12

Family

ID=26406733

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82901306A Expired EP0078324B1 (en) 1981-04-30 1982-04-30 Polarized electromagnetic relay

Country Status (7)

Country Link
US (1) US4509026A (en)
EP (1) EP0078324B1 (en)
AT (1) AT384497B (en)
CH (1) CH662671A5 (en)
DE (1) DE3243266C2 (en)
GB (1) GB2112212B (en)
WO (1) WO1982003944A1 (en)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2554960B1 (en) * 1983-11-16 1987-06-26 Telemecanique Electrique ELECTRO-MAGNET COMPRISING CYLINDER HEADS AND AN ARMATURE COMPRISING A PERMANENT MAGNET PROVIDED ON ITS POLAR FACES, OF POLAR PARTS EXTENDING THE AXIS OF THE MAGNET, THIS AXIS BEING PERPENDICULAR TO THE DIRECTION OF MOVEMENT
JPS60261111A (en) * 1984-06-08 1985-12-24 Mitsubishi Mining & Cement Co Ltd Electromagnetic actuator
FR2568056B1 (en) * 1984-07-20 1987-01-23 Telemecanique Electrique POLARIZED THREE-STATE ELECTROMAGNET AND CIRCUIT FOR ITS CONTROL
FR2569299B1 (en) * 1984-08-20 1986-12-05 Telemecanique Electrique POLARIZED ELECTROMAGNET HAVING A SYMMETRICAL ARRANGEMENT
EP0174239B1 (en) * 1984-08-20 1988-06-01 Telemecanique Polarised electromagnet presenting a symmetric disposition
FR2569298B1 (en) * 1984-08-20 1986-12-05 Telemecanique Electrique POLARIZED ELECTROMAGNET WITH BI- OR SINGLE-STABLE OPERATION
FR2573567B1 (en) * 1984-11-19 1987-01-09 Telemecanique Electrique POLARIZED ELECTROMAGNET HAVING A SYMMETRICAL LAYOUT
US4688010A (en) * 1984-12-22 1987-08-18 Matsushita Electric Works, Ltd. Electromagnetic relay
EP0186393B1 (en) * 1984-12-24 1990-03-07 Matsushita Electric Works, Ltd. Remotely controllable relay
FR2586324B1 (en) * 1985-08-16 1988-11-10 Telemecanique Electrique DIRECT CURRENT ELECTROMAGNET WITH TRANSLATION MOTION
US4734669A (en) * 1985-08-23 1988-03-29 Omron Tateisi Electronics Co. Electromagnetic contactor
JPS6379304A (en) * 1986-06-02 1988-04-09 Fuji Electric Co Ltd Polarized electromagnet device
GB2192306A (en) * 1986-07-03 1988-01-06 Stc Plc High sensitivity relay for switching high currents
DE3852624T2 (en) * 1987-12-23 1995-05-04 Electric Power Res Inst Polarized electromagnet.
JPH07118252B2 (en) * 1988-06-09 1995-12-18 松下電工株式会社 Remote control type circuit breaker
JP2552179B2 (en) * 1988-09-29 1996-11-06 三菱電機株式会社 Polarized electromagnet device
EP0370452A3 (en) * 1988-11-22 1991-11-27 Omron Corporation Electromagnetic relay having an improved terminal structure
US4931758A (en) * 1988-12-09 1990-06-05 Circuit Breaker Industries Limited Electro-magnetic shunt trip device
EP0373271B1 (en) * 1988-12-15 1993-09-01 Circuit Breaker Industries Limited An electro-magnetic shunt trip device
GB2229039B (en) * 1989-03-07 1994-01-26 Matsushita Electric Works Ltd Electromagnetic contactor
GB2229038B (en) * 1989-03-07 1994-01-26 Matsushita Electric Works Ltd Electromagnetic contactor
DE4214284A1 (en) * 1992-04-30 1993-11-04 Schneider Co Optische Werke ELECTROMAGNETIC LINEAR MOTOR
GB9318876D0 (en) * 1993-09-11 1993-10-27 Mckean Brian A bistable permanent magnet actuator for operation of circuit breakers
DE4445069A1 (en) * 1994-12-06 1996-06-13 Brose Fahrzeugteile Polarized relay
DE19515322C2 (en) * 1995-04-20 1997-12-04 Brose Fahrzeugteile Drive device with an electric motor and a relay that switches the motor current
DE19608729C1 (en) * 1996-03-06 1997-07-03 Siemens Ag Electromagnetic type switching device
JP3333898B2 (en) * 1996-07-03 2002-10-15 富士電機株式会社 Electromagnetic contactor
GB2342504B (en) * 1998-10-08 2003-04-23 Wladyslaw Wygnanski Magnetic drives
US6598621B1 (en) * 1998-04-01 2003-07-29 Camcon Ltd. Magnetic drives
US6791442B1 (en) 2003-11-21 2004-09-14 Trombetta, Llc Magnetic latching solenoid
FR2875637B1 (en) * 2004-09-22 2006-10-27 Schneider Electric Ind Sas BISTABLE ELECTROMAGNETIC ACTUATOR WITH INTEGRATED LOCK.
US20080023229A1 (en) * 2006-05-16 2008-01-31 Schlumberger Technology Corporation Tri stable actuator apparatus and method
GB2450681A (en) * 2007-06-26 2009-01-07 Schlumberger Holdings Multi-position electromagnetic actuator with spring return
JP4947108B2 (en) * 2009-08-20 2012-06-06 富士電機機器制御株式会社 Polarized electromagnet
JP4947107B2 (en) * 2009-08-20 2012-06-06 富士電機機器制御株式会社 Magnetic contactor
JP5018844B2 (en) * 2009-08-20 2012-09-05 富士電機機器制御株式会社 Magnetic contactor
US8476996B2 (en) * 2010-08-31 2013-07-02 Chih-Chuan Liang Bistable switching method and latching relay using the same
CN103828012A (en) * 2011-07-29 2014-05-28 Abb技术股份公司 Magnetic actuator with rotatable armature
WO2014208098A1 (en) * 2013-06-28 2014-12-31 パナソニックＩｐマネジメント株式会社 Contact point device and electromagnetic relay mounted with same
TWI553685B (en) 2013-08-20 2016-10-11 梁智全 Bistable latching relay and bistable actuator
JP6312021B2 (en) * 2014-01-30 2018-04-18 パナソニックＩｐマネジメント株式会社 Remote control relay
DE102014103247A1 (en) * 2014-03-11 2015-09-17 Tyco Electronics Austria Gmbh Electromagnetic relay
JP6075509B2 (en) * 2014-05-20 2017-02-08 富士電機機器制御株式会社 Polarized electromagnet for direct current operation and electromagnetic contactor using the same
US9368266B2 (en) 2014-07-18 2016-06-14 Trumpet Holdings, Inc. Electric solenoid structure having elastomeric biasing member
KR101943365B1 (en) * 2015-10-14 2019-01-29 엘에스산전 주식회사 Direct Relay
JP7014524B2 (en) * 2017-04-06 2022-02-01 富士通コンポーネント株式会社 Electromagnetic relay and control method of electromagnetic relay

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2991799A (en) * 1944-11-04 1961-07-11 Littlefield Effie Dora Jones Fluid motor control valve
DE845676C (en) * 1948-10-02 1952-08-04 Julius Dipl-Ing Lorenz System for converting vibrations
DE1037593B (en) * 1955-07-16 1958-08-28 Siemens Ag Poled electromagnet system
US3022400A (en) * 1957-06-27 1962-02-20 Ahlefeldt Rolf S Von Two-way solenoid
DE1078477B (en) * 1959-01-29 1960-03-24 Siemens Ag Electromagnetic signal transmitter
DE1867480U (en) * 1960-03-04 1963-02-21 Continental Elektro Ind Ag ELECTROMAGNETICALLY ACTUATED SWITCHING DEVICE, IN PARTICULAR SWITCHING CONTACTOR.
US3087031A (en) * 1960-06-20 1963-04-23 Automatic Switch Co Solenoid-operated switch
FR1332740A (en) * 1962-06-08 1963-07-19 Rech Etudes Prod Rectilinear displacement polarized magnetic circuit
US3178534A (en) * 1963-05-22 1965-04-13 Clark Controller Co Electrical control relay with removable magnet assembly
US3377519A (en) * 1963-12-26 1968-04-09 Allen Bradley Co Magnetically latched switch
FR1417292A (en) * 1964-09-30 1965-11-12 Electric motor with magnetic circuit in bridge
AT290657B (en) * 1967-09-26 1971-06-11 Villamos Berendezes Es Keszule Switching device
US3634735A (en) * 1969-04-03 1972-01-11 Mikio Komatsu Self-holding electromagnetically driven device
JPS4926773B1 (en) * 1970-08-31 1974-07-11
GB1448868A (en) * 1973-04-27 1976-09-08 Plessey Co Ltd Electromagnetic relays
DE2535994A1 (en) * 1975-08-12 1977-02-17 Siemens Ag Polarised electromagnetic relay system - has two mechanically independent armatures with their air-gaps in series in core of excitation coil
FR2358006A1 (en) * 1976-07-09 1978-02-03 Manuf Fse App Electr DEVICE FORMING ELECTRO-MAGNET, SUCH AS THAT OF A RELAY
DE2816555A1 (en) * 1977-04-18 1978-10-19 Francaise App Elect Mesure MAGNETIC CIRCUIT FOR AN ELECTROMAGNET FOR ONE WITH A PERMANENT MAGNET AS ANCHOR
JPS5636830A (en) * 1979-08-31 1981-04-10 Matsushita Electric Works Ltd Polar electromagnet
JPS5636109A (en) * 1979-08-31 1981-04-09 Matsushita Electric Works Ltd Monostable type polar electromagnet

Also Published As

Publication number Publication date
DE3243266T1 (en) 1983-05-05
DE3243266C2 (en) 1986-06-26
CH662671A5 (en) 1987-10-15
EP0078324A1 (en) 1983-05-11
ATA902482A (en) 1987-04-15
US4509026A (en) 1985-04-02
EP0078324A4 (en) 1985-10-28
WO1982003944A1 (en) 1982-11-11
GB2112212B (en) 1985-10-02
AT384497B (en) 1987-11-25
GB2112212A (en) 1983-07-13

Similar Documents

Publication Publication Date Title
EP0078324B1 (en) Polarized electromagnetic relay
DE3215057C2 (en) SELF-HOLDING SOLENOID
EP0885450B1 (en) Electromagnetic switching device
DE2728629C2 (en) Solenoid device
DE3031354A1 (en) ELECTROMAGNETIC ARRANGEMENT
WO2000060261A1 (en) Electromagnetic drive
DE3320000C2 (en) Electromagnetic relay
DE3932274C2 (en) Polarized electromagnetic device
DE10016318B4 (en) Electromagnet and manufacturing process of an electromagnet
DE1909940A1 (en) Electromagnetic changeover relay with protected contact system
WO2004077477A1 (en) Linear magnetic drive
EP0935054A2 (en) Electromagnetic actuator
DE1806286C3 (en) Electromagnetic contactor
DE19900788B4 (en) driving device
DE3338602C2 (en)
DE3144000C2 (en) Polarized electromagnetic relay
EP0251075A2 (en) Solenoid valve for liquid and gaseous fluids
DE102018001243A1 (en) Bistable electromagnetic lifting actuator and wire drawing machine
DE3528090C1 (en) Electromagnetic relay
DE2022584B2 (en) Miniature electromagnet with U shaped yoke member - is designed to facilitate easy exchange of the excitation coil unit
DE3246285C2 (en)
EP0226891A1 (en) Method of manufacturing an electromagnetic relay without adjusting
DE19923393C1 (en) Electromagnetically operated friction brake
DE3644185C1 (en) Matrix print head
DE3246256C2 (en) Electromagnetic relay

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19821228

AK Designated contracting states

Designated state(s): FR

17Q First examination report despatched

Effective date: 19861016

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): FR

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19891228

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST