EP0237610A2 - Relais électromagnétique - Google Patents

Relais électromagnétique Download PDF

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Publication number
EP0237610A2
EP0237610A2 EP86107305A EP86107305A EP0237610A2 EP 0237610 A2 EP0237610 A2 EP 0237610A2 EP 86107305 A EP86107305 A EP 86107305A EP 86107305 A EP86107305 A EP 86107305A EP 0237610 A2 EP0237610 A2 EP 0237610A2
Authority
EP
European Patent Office
Prior art keywords
spring
armature
contact
actuating leg
pimpel
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
EP86107305A
Other languages
German (de)
English (en)
Other versions
EP0237610A3 (en
EP0237610B1 (fr
Inventor
Gunter A. Dipl.-Ing. Seeger
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.)
Hengstler GmbH
Original Assignee
Hengstler Bauelemente 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 Hengstler Bauelemente GmbH filed Critical Hengstler Bauelemente GmbH
Publication of EP0237610A2 publication Critical patent/EP0237610A2/fr
Publication of EP0237610A3 publication Critical patent/EP0237610A3/de
Application granted granted Critical
Publication of EP0237610B1 publication Critical patent/EP0237610B1/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
    • H01H50/66—Driving arrangements between movable part of magnetic circuit and contact with lost motion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/56—Contact spring sets
    • H01H50/58—Driving arrangements structurally associated therewith; Mounting of driving arrangements on armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position

Definitions

  • the invention relates to an electromagnetic relay and, in particular, to a relay with a spring bracket serving to hold a magnet coil provided with a pivotable armature and a spring contact set, the longitudinal axis of the spring contact set running parallel to the longitudinal axis of the magnet coil and the armature being pivotally supported on the magnet system its free end acts on a changeover contact spring of the spring contact set via a Pimpel.
  • a larger contact distance enables an extension of the free end of the armature that acts on the switching or changeover contact spring, although this does help a longer actuation path for the changeover contact spring, but also requires a greater magnetic force, especially at the beginning of the lifting movement of the armature, for the free end of the armature that is extended on this open and movable changeover contact spring, which is then accelerated when switching not only by the higher magnetic force of the armature, but also by the lever ratio a longer distance than the armature stroke, so that this results in a stronger or harder impact on the mating contact and a resilience when making contact, which under certain circumstances can lead to welding of the contacts. This is undesirable and intolerable with safety relays and when switching higher currents in general.
  • the actuating chain between the armature and changeover contact spring of the spring contact set includes a spring path, that the free end of the armature is designed as an extended actuating leg, and has a bump at its outer end, whereby the pivoting movement of the armature is delayed as well as springy transferred to the changeover contact spring and the contact system is supported resiliently.
  • the free end of the armature is preferably designed as an extended actuation leg in relation to the armature leg that comes into contact with the magnet system, with which a longer movement path at the outer end and, in connection therewith, a larger contact distance can be achieved.
  • the free end of the changeover contact spring in one embodiment is rigidly attached to the actuating leg, the spring path in the form of a spring-supporting element is a U-shaped spiral spring or a helical spring, each with one end supports the actuating arm, while the other end is designed as a driver or equipped with a driver for engagement with the changeover contact spring.
  • the Pimpel is rigidly attached to the changeover contact spring, the Pimpel reaching through or reaching around the extended actuating leg, and the element supporting the contact system resiliently being supported at one end on the changeover contact spring, while the other end is designed as a driver or with a driver for engagement with actuating leg is equipped.
  • the actuating leg is designed as a leaf spring which is attached at one end to the free end of the armature and rigidly arranged at the other end and has a baffle with drivers for actuating the changeover contact spring.
  • the pimple on the spring bracket side of the contacts on the resilient actuating leg is rigidly arranged and engages the spring contact closest to the actuating leg in full engagement with the changeover contact spring.
  • the Pimpel rigidly arranged on the changeover contact spring and parallel to the actuation leg nearest spring contact engages with the resilient actuating leg.
  • the embodiments of the invention all have in common that a spring path is provided in the actuation chain between the armature and switching or switch contact spring, which on the one hand at the end of the actuation chain on the element in engagement with the switch or switch contact spring and on the other hand between the free end of the Anchor and the element coming into engagement with the switching or changeover contact spring is arranged.
  • the movement emanating from the armature when the magnet system is excited is hereby elastically transmitted to the switching or changeover contact spring, so that the low torque of the armature in the initial phase of the armature stroke initially acts on the spring distance via its free end before it then continues with the armature stroke squarely increasing tightening force, the element forming the spring path in the actuating chain, the switching or changeover contact spring after overcoming its spring-supported persistence in the rest position, with the support of the spring force accumulated in the spring path, in the working position and spring-supported in the contact system, whereby contact can be made before the anchor comes to rest on the core.
  • FIG. 1 schematically shows an electromagnetic relay, the magnet system of which consists of a magnet coil 3 with a magnet core 1, a yoke 4 and an armature 8 pivotably mounted on the yoke 4 via a bearing 5.
  • the free end of the armature 8 is embodied here in the form of an elongated actuation leg 6, which has a Pimpel 7 at its free outer end, which is rigidly attached to the actuation leg 6 at point 13.
  • the magnet system is associated with a spring contact set with two spring contacts 9 and a changeover contact spring 10, which is combined in a spring bracket 2 and equipped with plug or solder connections 17.
  • a spiral spring 11 is provided as a spring path in the actuation chain from the armature 8 to the changeover contact spring 10, which is preferably penetrated by the pimpel 7 on both ends of the bracket.
  • the spiral spring 11 is supported at one end from the actuating arm 6, while the other end of the spiral spring 11 acts upon the magnetic system when the switchover contact spring 10 is energized and leads into the working position.
  • This end of the spiral spring 11 can be in the rest position of the magnet system in accordance with the configuration of the spiral spring 11 in a position spaced or adjacent to the changeover contact spring 10.
  • a driver 21 can be arranged axially displaceably on the pimpel 7 between the upper end of the spiral spring 11 and the changeover contact spring 10, or fixedly on the pimpel 7 between the two ends of the spiral spring 11 as a deflection stop for the spring 11.
  • Another driver 14, arranged at the end of the pimple 7, can be provided for returning the changeover contact spring 10 from the working position to the rest position.
  • FIG. 2 is constructed very similarly to the embodiment of FIG. 1.
  • a coil spring 12 is provided around the Pimpel 7, which is also supported on the actuating leg 6 with one end, while the other end of this coil spring 12 directly or via an axially displaceable driver 21 when the magnet system is excited the changeover contact spring 10 is acted upon and in the rest position comes to rest in a position at a distance from the changeover contact spring 10.
  • the poplar 7 can also be on the changeover contact spring 10 rigidly attached and the actuating leg 6 arranged to be penetrating.
  • the actuating arm 6 can be rigidly fixed as part of the armature 8 or as a separate part at the free end of the armature 8 by means of screws, rivets or gluing. Another possibility of rigidly attaching the actuating leg to the armature 8 is shown in FIG. 5.
  • the part of the armature 8 assigned to the magnet system here has an opening 19 in which the armature-side end of the actuating arm 6 is fixed in a penetrating manner through the armature 8.
  • FIG. 3 provides a spring path in the region of the actuating leg in the form of a leaf spring 16, which is fastened to the free end of the armature 8 by screws, rivets 18 or the like, and rigidly fastened to the fastening point 13 at the outer end Bimpel 15 wears.
  • Two fixed drivers 14, 21 are provided on the pimpel 15 for engagement with the changeover contact spring 10.
  • the Pimpel 15, which is rigidly attached to the leaf spring 16 can also be arranged to act on the spring contact side of the contacts 20, as shown in FIG. 4, the Pimpel 15 reaches through the rest contact spring 9 unhindered.
  • the spring path in the area of the actuating leg can be a resilient actuating leg 6 made of a resilient plastic material of corresponding shape instead of a leaf spring 16, which, attached to the free end of the armature 8, has a rigidly arranged or integrally formed Pimpel 15 at its free outer end.
  • This variant with a spring-elastic actuating leg 6 can also be implemented in an arrangement of the pimp 15 shown in FIG. 4, acting on the changeover contact spring 10 on the spring block side of the contacts 20.
  • FIGS. 3 and 4 show the Pimpel 15 rigidly attached to a leaf spring 16.
  • the Pimpel 15 can, however, also be rigidly attached to the changeover contact spring 10 and be spring-loaded by the leaf spring 16 or a spring-elastic actuating leg 6 directly or via a driver.
EP86107305A 1986-03-21 1986-05-29 Relais électromagnétique Expired - Lifetime EP0237610B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3609726A DE3609726C1 (de) 1986-03-21 1986-03-21 Elektromagnetisches Relais
DE3609726 1986-03-21

Publications (3)

Publication Number Publication Date
EP0237610A2 true EP0237610A2 (fr) 1987-09-23
EP0237610A3 EP0237610A3 (en) 1989-08-16
EP0237610B1 EP0237610B1 (fr) 1992-01-29

Family

ID=6297034

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86107305A Expired - Lifetime EP0237610B1 (fr) 1986-03-21 1986-05-29 Relais électromagnétique

Country Status (3)

Country Link
EP (1) EP0237610B1 (fr)
DE (1) DE3609726C1 (fr)
DK (1) DK167945B1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1852885A1 (fr) 2006-05-06 2007-11-07 TYCO Electronics Austria GmbH Relais électrique
CN103985605A (zh) * 2013-02-13 2014-08-13 欧姆龙株式会社 电磁继电器
EP2768004A1 (fr) * 2013-02-13 2014-08-20 Omron Corporation Relais électromagnétique

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3624783C3 (de) * 1986-07-22 2001-07-05 Hengstler Gmbh Relais
DE3930394C1 (en) * 1989-09-12 1991-02-14 Eberle Gmbh, 8500 Nuernberg, De Low voltage EM relay - has rod movable in sleeve bearing, and anti-bounce spring blade
DE19508494C2 (de) * 1995-03-09 1998-08-20 Trw Fahrzeugelektrik Relais, insbesondere für die KFZ-Technik
DE19738372A1 (de) * 1997-09-03 1999-03-04 Abb Patent Gmbh Elektromagnetischer Antrieb für einen Schalter
DE102007011328A1 (de) * 2007-03-08 2008-09-11 Gruner Ag Relais

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2769881A (en) * 1954-03-15 1956-11-06 Gen Railway Signal Co Contact assembly for electromagnetic relays
US2838631A (en) * 1955-02-01 1958-06-10 Westinghouse Air Brake Co Electrical relays
CH450503A (de) * 1966-04-11 1968-01-31 Amphenol Corp Koaxialkabelschalter
GB1167022A (en) * 1966-06-23 1969-10-15 English Electric Co Ltd Improvements in Electro-Magnetic Relays.
DE2103280A1 (de) * 1970-02-02 1971-08-19 Siemens Ag Relais
DE2526785A1 (de) * 1975-06-13 1976-12-23 Paul & Siedler Gmbh & Co Kg Betaetigungsvorrichtung fuer elektrische kontakte
DE2831121A1 (de) * 1978-07-12 1980-01-24 Paul & Siedler Gmbh & Co Kg Elektromagnetisches relais

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1719868U (de) * 1956-01-20 1956-04-05 Franz Baumgartner Fa Elektromagnetisches relais.

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2769881A (en) * 1954-03-15 1956-11-06 Gen Railway Signal Co Contact assembly for electromagnetic relays
US2838631A (en) * 1955-02-01 1958-06-10 Westinghouse Air Brake Co Electrical relays
CH450503A (de) * 1966-04-11 1968-01-31 Amphenol Corp Koaxialkabelschalter
GB1167022A (en) * 1966-06-23 1969-10-15 English Electric Co Ltd Improvements in Electro-Magnetic Relays.
DE2103280A1 (de) * 1970-02-02 1971-08-19 Siemens Ag Relais
DE2526785A1 (de) * 1975-06-13 1976-12-23 Paul & Siedler Gmbh & Co Kg Betaetigungsvorrichtung fuer elektrische kontakte
DE2831121A1 (de) * 1978-07-12 1980-01-24 Paul & Siedler Gmbh & Co Kg Elektromagnetisches relais
FR2431180A1 (fr) * 1978-07-12 1980-02-08 Paul & Siedler Gmbh & Co Kg Perfectionnements aux relais electromagnetiques

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1852885A1 (fr) 2006-05-06 2007-11-07 TYCO Electronics Austria GmbH Relais électrique
US7876184B2 (en) 2006-05-06 2011-01-25 Tyco Electronics Austria Gmbh Electrical relay
CN101106041B (zh) * 2006-05-06 2012-07-18 泰科电子奥地利有限责任公司 电继电器
CN103985605A (zh) * 2013-02-13 2014-08-13 欧姆龙株式会社 电磁继电器
EP2768003A1 (fr) * 2013-02-13 2014-08-20 Omron Corporation Relais électromagnétique
EP2768004A1 (fr) * 2013-02-13 2014-08-20 Omron Corporation Relais électromagnétique
US8928438B2 (en) 2013-02-13 2015-01-06 Omron Corporation Electromagnetic relay
US9142373B2 (en) 2013-02-13 2015-09-22 Omron Corporation Electromagnetic relay

Also Published As

Publication number Publication date
DK253786A (da) 1987-09-22
DK253786D0 (da) 1986-05-29
EP0237610A3 (en) 1989-08-16
DE3609726C1 (de) 1987-10-29
EP0237610B1 (fr) 1992-01-29
DK167945B1 (da) 1994-01-03

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