EP0320686A2 - Contacteur électromagnétique - Google Patents

Contacteur électromagnétique Download PDF

Info

Publication number
EP0320686A2
EP0320686A2 EP88119809A EP88119809A EP0320686A2 EP 0320686 A2 EP0320686 A2 EP 0320686A2 EP 88119809 A EP88119809 A EP 88119809A EP 88119809 A EP88119809 A EP 88119809A EP 0320686 A2 EP0320686 A2 EP 0320686A2
Authority
EP
European Patent Office
Prior art keywords
switching device
contact
contact slide
lever
lifting armature
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
EP88119809A
Other languages
German (de)
English (en)
Other versions
EP0320686A3 (en
EP0320686B1 (fr
Inventor
Bernhard Dietrich
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
SDS RELAIS 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, SDS RELAIS AG filed Critical Siemens AG
Priority to AT88119809T priority Critical patent/ATE103105T1/de
Publication of EP0320686A2 publication Critical patent/EP0320686A2/fr
Publication of EP0320686A3 publication Critical patent/EP0320686A3/de
Application granted granted Critical
Publication of EP0320686B1 publication Critical patent/EP0320686B1/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
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/643—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rotating or pivoting movement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/24—Parts rotatable or rockable outside coil
    • 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

Definitions

  • An electromagnetic switching device of the type specified in the preamble of claim 1 is known from DE-C-3 417 891.
  • a contact slide is coupled to the lifting armature of a magnetic drive, which can be moved parallel thereto, via deflection levers which are pivotably mounted on pins provided on a housing base.
  • the magnetic drive is first assembled for itself, whereupon the reversing levers are attached with their two arms to the ends of the lifting armature and contact slide.
  • the arrangement put together in this way is then installed in the housing base, bores provided in the deflection levers simultaneously having to be pushed onto the bearing journals.
  • This assembly process is a relatively difficult step due to the fact that the arrangement mentioned is not rigidly positioned relative to one another before it is finally installed in the housing element. It is complicated by the fact that the distance between the bearing journals with the distance between the bores in the bellcranks does not exactly match, because in addition to unavoidable manufacturing tolerances, especially if the journals are used as separate components in the housing base, a bearing clearance must be present between the ends of the lifting armature and contact slide on the one hand and the ends of the bellcranks on the other hand. A particular difficulty arises when the magnetic drive contains a permanent magnet to achieve a polarized switching behavior, which accidentally pulls the lifting armature into one or the other end position.
  • the invention has for its object disadvantages, such as they occur at least partially in comparable switching devices according to the prior art.
  • a more specific task can be seen in designing a switching device of the type described in the introduction in such a way that it can be assembled more easily and more quickly.
  • the parallelogram linkage formed according to claim 5 maintains the advantage known from the prior art of low-friction mounting of all movable parts even in the invention.
  • the openings provided in the arms cause the bellcranks to be independent simply snap on from the position of the lifting anchor.
  • the further measure of claim 6 in connection with the inventive concept leads to a simple possibility of having a biasing spring act to achieve a monostable switching behavior, the arrangement of the spring according to claim 7 being particularly space-saving.
  • the electromagnetic switching device shown in the drawing is housed in a housing composed of a base 10 and a housing cap 11.
  • a plurality of switching chambers are formed, each of which contains two fixed contacts 12 arranged in alignment with one another.
  • These fixed contacts 12 have, as can be seen in FIG. 2, lower connections 13 projecting through the base 10 and upper connections 14 projecting through the housing cap 11.
  • the lower connections 13 serve for insertion into a circuit board (not shown), while the upper connections 14 are provided for further connections and are arranged in a recessed area 15 on the top of the housing cap 11.
  • a contact slide 16 is provided with a plurality of bridge contacts 17b which are supported by leaf springs 17a and which each cooperate with a pair of fixed contacts 12 aligned with one another.
  • the fixed contacts 12 are arranged in such a way and the movable contacts 17b are pretensioned in such a way that they form a total of four normally closed contacts with a double break and one make contact also with a double break.
  • a magnetic drive 18 which has two coils 20 each wound on a coil former 19, a permanent magnet 21 arranged between them, and a central bore in the Includes coil formers 19 and in the permanent magnet 21 penetrating and in the axial direction of the coils reciprocating armature 22 and two yoke plates 23 extending over the outer sides of the coil formers.
  • the lifting armature 22 is fastened on a guide rod 24 which extends coaxially to the coils 20 and which ends extend through openings left free by the two yoke plates 23.
  • the reciprocating movement of the lifting armature 22 is transmitted to the contact slide 16 via two deflection levers 25, 26.
  • Both arms of each deflection lever 25, 26 each have an opening at the end, which is penetrated by a part of the respective stepped outer end of the guide rod 24 or the relevant end section 27, 28 of the contact slide 16.
  • the rest of the stepped end of the guide rod 24 or the rest of the end section 27, 28 of the contact slide 16 is supported according to FIG. 2 in steps 24a, 24b and 28a, 28b formed by the dashed area on the magnetic drive 18 or contact slide 16 facing ends of the bellcranks 25, 26.
  • two guide parts 30, which are aligned with one another along the pivot axis 29, are arranged at a distance, somewhat larger than the width of the yoke plates 32, and the recesses 31 provided in the deflection lever 26 are as to the side edge of the deflection lever 26 Open cutouts designed so that the bellcrank according to FIG. 2 up and down through the broad sides of the guide members 30 and to the left or right through the inner narrow side of the guide members 30 are fixed in the correct position.
  • Each bell crank is thereby guided in both directions along the pivot axis 29. Dodging the bellcranks 25, 26 to the outside is prevented by bearing surfaces 32 which are integrally formed on the base 10. These bearing surfaces 32 each have a convex curvature facing the relevant deflection lever 25, 26 in order to keep the bearing friction as low as possible in the manner of a cutting edge bearing. The distance between the bearing surfaces 32 is dimensioned such that the outer surfaces of the guide parts 30 can be guided past when the magnetic drive 18 is inserted.
  • the sectional plane II-II shown in FIG. 1 runs in the plane of contact between the right bearing surface 32 and the guide part 30.
  • the deflection levers 25, 26, the lifting armature 22 and the contact slide 16 together form a parallelogram linkage mounted on the two pivot axes 29, which converts the reciprocating movement of the lifting armature 22 into an opposite reciprocating movement of the contact slide 16 running parallel thereto.
  • all of the openings in the deflection levers 25, 26 are designed to be slightly wedge-shaped.
  • a leaf spring 33 is also shown, which acts with its free end on the end section 27 of the contact slider 16 protruding through the cutout in the deflection lever 25 and biases it into its right-hand end position according to FIG. 1. With its other half, the leaf spring 33 is inserted into the base 10 in such a way that it lies on the outside of a projection 34, which forms the outer bearing surface 32 for the bell crank 25 and projects upward from the inner surface of the base 10, but within the housing cap 11.
  • the magnetic drive 18 is first assembled from the components 19 to 24 and then joined together with the two bellcranks 25, 26 and the contact slide 16 to form an assembly unit. Since the deflection levers 25, 26 are already guided and held in this state on a part of the magnetic drive 18, namely on the guide parts 30 provided on the bobbin 19 and therefore also hold the contact slide 16 in a defined manner, this assembly unit can be handled effortlessly and in the base 10 insert in the intended manner so that the outer ends of the guide parts 30 between the bearing surfaces 32 formed on the projections 34 of the base 10 can be inserted. In the inserted state, the deflection levers 25, 26 are then also secured against evasion to the outside by the bearing surfaces 32. Finally, if provided, the leaf spring 33 is inserted so that the switching device is ready for operation after being closed by means of the housing cap 11.
  • the right-hand coil 20 is excited to switch over from the rest position shown in FIG. 1, so that the lifting armature 22 is pulled into the right-hand end position according to FIG Bias of the leaf spring 33 is shifted to the left.
  • the parallelogram linkage is returned by the leaf spring 33 to the rest position shown in FIG. 1. If the leaf spring 33 is not provided, this return takes place by excitation of the coil 20 on the left in accordance with FIG To apply electricity.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Electronic Switches (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Vehicle Body Suspensions (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Valve Device For Special Equipments (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP88119809A 1987-12-18 1988-11-28 Contacteur électromagnétique Expired - Lifetime EP0320686B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88119809T ATE103105T1 (de) 1987-12-18 1988-11-28 Elektromagnetisches schaltgeraet.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3743122A DE3743122C1 (de) 1987-12-18 1987-12-18 Elektromagnetisches Schaltgeraet
DE3743122 1987-12-18

Publications (3)

Publication Number Publication Date
EP0320686A2 true EP0320686A2 (fr) 1989-06-21
EP0320686A3 EP0320686A3 (en) 1990-07-25
EP0320686B1 EP0320686B1 (fr) 1994-03-16

Family

ID=6343005

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88119809A Expired - Lifetime EP0320686B1 (fr) 1987-12-18 1988-11-28 Contacteur électromagnétique

Country Status (8)

Country Link
US (1) US4922216A (fr)
EP (1) EP0320686B1 (fr)
JP (1) JPH0693342B2 (fr)
AT (1) ATE103105T1 (fr)
AU (1) AU595771B2 (fr)
CA (1) CA1299619C (fr)
DE (2) DE3743122C1 (fr)
ES (1) ES2050144T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996017366A1 (fr) * 1994-11-30 1996-06-06 Siemens Aktiengesellschaft Commutateur electromagnetique
EP0844636A2 (fr) * 1996-11-25 1998-05-27 Eaton Corporation Appareillage de commutation électrique actionné électromagnétiquement
WO2011003751A1 (fr) * 2009-07-09 2011-01-13 Siemens Aktiengesellschaft Commutateur de puissance avec unité intégrée de déclenchement et d'entraînement

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4300594A1 (de) * 1993-01-13 1994-07-14 Hengstler Bauelemente Sicherheitsrelais mit zwangsgeführtem Kontaktsatz und monostabilem Antrieb
DE19738372A1 (de) * 1997-09-03 1999-03-04 Abb Patent Gmbh Elektromagnetischer Antrieb für einen Schalter
DE19957805B4 (de) * 1999-12-01 2005-07-28 Tyco Electronics Logistics Ag Elektrische Umschaltvorrichtung
DE10104438B4 (de) * 2001-02-01 2007-06-14 Stiebel Eltron Gmbh & Co. Kg Mehrpoliger Sicherheitsabschalter mit einem Drucksensor
JP5024340B2 (ja) * 2009-08-20 2012-09-12 富士電機機器制御株式会社 電磁接触器
US8222981B1 (en) * 2011-01-18 2012-07-17 Tyco Electronics Corporation Electrical switching device
US8564386B2 (en) 2011-01-18 2013-10-22 Tyco Electronics Corporation Electrical switching device
WO2013017137A1 (fr) * 2011-07-29 2013-02-07 Abb Technology Ag Actionneur magnétique à induit rotatif
JP6631068B2 (ja) * 2015-07-27 2020-01-15 オムロン株式会社 接点機構およびこれを用いた電磁継電器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3201541A (en) * 1963-05-15 1965-08-17 American Mach & Foundry Pivotal bearing arrangement for electromagnetic operator
DE3417891C1 (de) * 1984-05-14 1985-08-14 Sds-Elektro Gmbh, 8024 Deisenhofen Elektromagnetisches Schaltgeraet

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH242020A (de) * 1944-09-25 1946-04-15 Saia Ag Elektrisch gesteuerter Schalter.
IT1075619B (it) * 1977-02-02 1985-04-22 Equipaggiamenti Meccanico Elet Rele' elettromagnetico piatto
JPH0621156Y2 (ja) * 1983-05-31 1994-06-01 松下電工株式会社 電磁継電器
DE8412246U1 (de) * 1984-04-18 1987-08-27 Hengstler GmbH, Geschäftsbereich Haller-Relais, 7209 Wehingen Kleinstrelais

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3201541A (en) * 1963-05-15 1965-08-17 American Mach & Foundry Pivotal bearing arrangement for electromagnetic operator
DE3417891C1 (de) * 1984-05-14 1985-08-14 Sds-Elektro Gmbh, 8024 Deisenhofen Elektromagnetisches Schaltgeraet

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996017366A1 (fr) * 1994-11-30 1996-06-06 Siemens Aktiengesellschaft Commutateur electromagnetique
EP0844636A2 (fr) * 1996-11-25 1998-05-27 Eaton Corporation Appareillage de commutation électrique actionné électromagnétiquement
EP0844636A3 (fr) * 1996-11-25 1999-03-03 Eaton Corporation Appareillage de commutation électrique actionné électromagnétiquement
WO2011003751A1 (fr) * 2009-07-09 2011-01-13 Siemens Aktiengesellschaft Commutateur de puissance avec unité intégrée de déclenchement et d'entraînement
CN102473538A (zh) * 2009-07-09 2012-05-23 西门子公司 具有集成的触发单元和驱动单元的功率开关
US8638183B2 (en) 2009-07-09 2014-01-28 Siemens Aktiengesellschaft Power switch having integrated trigger and drive unit
CN102473538B (zh) * 2009-07-09 2015-06-03 西门子公司 具有集成的触发单元和驱动单元的功率开关

Also Published As

Publication number Publication date
DE3888479D1 (de) 1994-04-21
JPH01231236A (ja) 1989-09-14
ES2050144T3 (es) 1994-05-16
AU2680088A (en) 1989-06-22
CA1299619C (fr) 1992-04-28
EP0320686A3 (en) 1990-07-25
ATE103105T1 (de) 1994-04-15
US4922216A (en) 1990-05-01
JPH0693342B2 (ja) 1994-11-16
DE3743122C1 (de) 1989-02-16
AU595771B2 (en) 1990-04-05
EP0320686B1 (fr) 1994-03-16

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