EP0133977B1 - Relais de commutation en version miniature - Google Patents

Relais de commutation en version miniature Download PDF

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Publication number
EP0133977B1
EP0133977B1 EP84108964A EP84108964A EP0133977B1 EP 0133977 B1 EP0133977 B1 EP 0133977B1 EP 84108964 A EP84108964 A EP 84108964A EP 84108964 A EP84108964 A EP 84108964A EP 0133977 B1 EP0133977 B1 EP 0133977B1
Authority
EP
European Patent Office
Prior art keywords
armature
contact
branch
housing
relay
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
EP84108964A
Other languages
German (de)
English (en)
Other versions
EP0133977A3 (en
EP0133977A2 (fr
EP0133977B2 (fr
Inventor
Wolfgang Dipl.-Ing. Nestlen
Reiner Rudolf
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 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
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Application filed by Hengstler GmbH filed Critical Hengstler GmbH
Priority to AT84108964T priority Critical patent/ATE43026T1/de
Publication of EP0133977A2 publication Critical patent/EP0133977A2/fr
Publication of EP0133977A3 publication Critical patent/EP0133977A3/de
Publication of EP0133977B1 publication Critical patent/EP0133977B1/fr
Application granted granted Critical
Publication of EP0133977B2 publication Critical patent/EP0133977B2/fr
Anticipated expiration legal-status Critical
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/026—Details concerning isolation between driving and switching circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H2050/028—Means to improve the overall withstanding voltage, e.g. creepage distances

Definitions

  • the invention relates to a small switching relay with increased insulation between the magnet system and the contact system for use as a miniature card relay according to the preamble of claim 1.
  • Another known relay according to DE-B-2 717 293 provides for a receptacle for the free, pivotable end of the armature in a pocket of the actuation t eges, but otherwise does not take any measures for resistance to creep or high voltage, in particular between the contact system and the magnet system to increase.
  • the object of the present invention is therefore to develop a relay of the type mentioned in such a way that increased resistance to creepage distances is achieved.
  • the essence of the invention is that the armature, the armature retaining spring and the magnet system are at least partially encompassed by a rib or by their angling, so that the high-voltage strength of the relay is increased in the manner of a partition wall against leakage currents. Furthermore, the actuating web is also formed at one end as a pocket which engages around the free end of the armature, so that creeping distances starting from the contact system are thereby suppressed.
  • the present relay also has clearance and creepage distances of more than 8 mm in the version with a changeover contact. H. so increased isolation. So far, such relays with larger dimensions were only known in the version with a normally open contact.
  • the relay is designed so that the washproof version (IP 67) has the same dimensions as the open version (IP 40).
  • the present relay only has a height of 7.9 mm, which comes about as follows:
  • the spring bracket is formed in one piece with the housing trough which is open on one side results in a desired miniaturization despite the high voltage strength.
  • the spring bracket is the mounting element for all parts of the relay, in particular the contact system and the magnet system.
  • the housing is preferably made of a plastic injection molding material, so that the contact system and the magnet system are inserted directly into the housing and fastened there. The pre-assembly outside the housing with corresponding mounting elements is not necessary, since these separate mounting elements would only take up space in an undesirable manner.
  • the magnetic frame is installed by simply inserting the excitation coil with core and yoke into the housing, the armature retaining spring being fastened in a holder fixed to the housing. All parts are only protected against falling out by the cover. In order to reach the 8 mm clearance and creepage distances, the anchor must be embedded in a pocket on the actuation bar.
  • the overall construction thus enables automated production.
  • the relay is a real miniature switching relay with increased insulation between the coil and contacts. It is used wherever PCB spacing and module widths do not allow wider relays without having to do without the characteristic features of a small switching relay. It is primarily developed on the basis of VDE 0110, VDE 0435, VDE 0631, VDE 0660, VDE 0730, VDE 0804 and VDE 860.
  • the relay according to FIGS. 1 to 4 has a housing trough 10 which also serves as a spring bracket 1 for holding the magnet system 2 and the contact system 3.
  • the magnet system 2 comprises an excitation coil in which the yoke and core 8 are formed from a single U-shaped part in a stamping and bending process.
  • the entire magnet system 2 is only inserted into the housing trough, with the connections 27 reaching through corresponding lateral slots in the housing trough.
  • the magnet system is essentially protected from falling out by the cover 4, which is pressed onto the housing trough.
  • a further securing of the position of the magnet system 2 results from the fact that an armature retaining spring 11 is present, which is clamped in the slot 21 of a holder 12.
  • the holder 12 is formed in one piece with the bottom of the housing trough 10.
  • the armature retaining spring forms the abutment for the L-shaped armature 13 pivotably mounted on the yoke 8. The end of the long leg of this armature is received by a pocket 14 of the actuating web 15. This is done for insulation reasons.
  • the actuating web 15 passes through a narrow opening 19 in the chamber wall 17, which separates the magnet system 2 from the contact system 3 arranged above it.
  • the contact system 3 has two switching springs 7a, 7b which, depending on the position of the armature 13, come into alternating contact with the contact spring 7c.
  • the switching springs 7a, 7b are accommodated in corresponding slots 22, 23 of the housing, a plurality of slots 22 and 23 lying one behind the other being provided which are each separated by a recess 25.
  • the contact spring 7c is also guided in a slot 24 of the housing 10 and also passes through a recess 26. The position of the springs 7a, 7b, 7c is then secured in the region of the recesses 25, 26.
  • the springs 7a, 7b, 7c are guided to the outside with connecting lugs 9a, 9b, 9c, it being essential that the connecting lugs pass through the cover 4 in the lying embodiment and the cover is equipped with conically tapering openings 5 in the area of the connecting lugs, and has pockets 28 of recessed diameter on the outside.
  • a rib 16 is formed on the underside of the cover 4, which abuts directly on the chamber wall 17 and thus ensures a double separation of the contact system 3 and the magnet system 2. According to FIG. 2, the rib 16 extends close to the bottom of the housing trough 10.
  • the rib 16 is provided with an angled portion 20, which still partially encompasses the excitation coil of the magnet system 2 and overlaps the armature holding spring 11.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Breakers (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Claims (1)

  1. Relais miniature de commutation à isolation accrue entre un système à aimant et un système de contact, destiné à être utilisé en tant que relais miniature pour cartes et comportant une cuvette formant boîtier (10) logeant le système à aimant et le système de contact, un couvercle (4) fermant la cuvette formant boîtier, un support pour ressorts et une paroi (17) séparant le système à aimant du système de contact, le support pour ressorts et la paroi de séparation étant conçus en un matériau d'une seule pièce avec la cuvette formant boîtier (10) ouverte d'un côté tandis que le couvercle (4) comporte une nervure (16) qui, lorsque le relais est à l'état monté, recouvre la paroi (17) du boîtier qui sépare le système à aimant du système de contact, et des fentes et des évidements pour le maintien des ressorts de commutation et de contact (7) étant ménagés dans le support pour ressorts, ainsi qu'une barrette d'actionnement (15) réalisée en matière plastique, qui traverse un passage étroit (19) ménagé dans la paroi (17) du boîtier et dont une extrémité actionne les ressorts de contact du jeu de ressorts de contact et sur l'autre extrémité de laquelle agit l'extrémité, éloignée du noyau de bobine, d'une armature en forme de L (13) du système à aimant, dont la première branche est parallèle à la paroi (17) du boîtier qui sépare le système à aimant du système de contact, un ressort de retenue (11) étant associé à cette armature et pour lequel il est prévu un support (12) conçu en un matériau d'une seule pièce avec la cuvette formant boîtier,
    caractérisé en ce que:
    a) sur la nervure (16) du couvercle (4) est formé un prolongement (20) s'étendant parallèlement à la seconde branche du L de l'armature (13) de manière à surplomber au moins partiellement cette branche;
    b) la nervure (16) recouvre également le ressort (11) de retenue de l'armature, disposé sur le côté extérieur de la première brance du L de l'armature (13), et
    c) la barrette d'actionnement (15) possède également une forme en L, une branche du L étant réalisée sous la forme d'une poche (14) permettant de l'emmancher sur l'extrémité libre de la première branche du L de l'armature (13).
EP84108964A 1983-08-02 1984-07-28 Relais de commutation en version miniature Expired - Lifetime EP0133977B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84108964T ATE43026T1 (de) 1983-08-02 1984-07-28 Kleinschaltrelais in miniatur-ausfuehrung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833327782 DE3327782A1 (de) 1983-08-02 1983-08-02 Kleinschaltrelais in miniatur-ausfuehrung
DE3327782 1983-08-02

Publications (4)

Publication Number Publication Date
EP0133977A2 EP0133977A2 (fr) 1985-03-13
EP0133977A3 EP0133977A3 (en) 1985-09-11
EP0133977B1 true EP0133977B1 (fr) 1989-05-10
EP0133977B2 EP0133977B2 (fr) 1993-06-09

Family

ID=6205512

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84108964A Expired - Lifetime EP0133977B2 (fr) 1983-08-02 1984-07-28 Relais de commutation en version miniature

Country Status (4)

Country Link
US (1) US4709219A (fr)
EP (1) EP0133977B2 (fr)
AT (1) ATE43026T1 (fr)
DE (2) DE3327782A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3938226C1 (en) * 1989-11-17 1991-05-23 E. Dold & Soehne Kg, 7743 Furtwangen, De Miniature switching relay of H=section - providing double insulated chamber for magnet and contact systems

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3707491A1 (de) * 1987-03-09 1988-09-22 Hengstler Bauelemente Heizungsrelais
JPS63149039U (fr) * 1987-03-20 1988-09-30
CH678241A5 (fr) * 1987-07-20 1991-08-15 Schrack Elektronik Ag
JPH0346728A (ja) * 1989-07-13 1991-02-28 Omron Corp 電磁継電器
DE4226889C2 (de) * 1991-09-17 1994-03-10 Euro Matsushita Electric Works Elektromagnetisches Relais
EP0938119A1 (fr) * 1998-02-18 1999-08-25 ELESTA relays GmbH Relais
DE19833960C1 (de) * 1998-07-28 2000-04-13 Euro Matsushita Electric Works Schmales elektromagnetisches Relais
JP3898021B2 (ja) 2001-10-05 2007-03-28 株式会社タイコーデバイス 電磁継電器
DE102012006450A1 (de) * 2012-03-30 2013-10-02 Phoenix Contact Gmbh & Co. Kg Relais mit zwangsgeführten Kontakten
JP6015081B2 (ja) * 2012-04-09 2016-10-26 オムロン株式会社 電磁継電器
JP2019197608A (ja) * 2016-09-01 2019-11-14 オムロン株式会社 電磁継電器
KR101888275B1 (ko) * 2016-12-23 2018-08-14 엘에스오토모티브테크놀로지스 주식회사 릴레이 장치

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7214879U (de) * 1972-04-19 1973-01-25 Siemens Ag Elektromagnetisches Kleinrelais
DE7309137U (de) * 1973-03-10 1973-07-12 Bach & Co Betätigungselement zur Kontaktsatz-Betätigung in einem Relais oder dgl
DE2614942A1 (de) * 1976-04-07 1977-10-20 Ernst Duerr Elektromagnetisches kleinschaltrelais
DE2717293C3 (de) * 1977-04-19 1980-08-14 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektromagnetisches Relais mit zwangsgeführten Kontakten
DE7909135U1 (de) * 1979-03-30 1979-07-05 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektromagnetisches Relais für hohe Schaltleistungen
DE7936040U1 (de) * 1979-12-21 1980-03-27 Eichhoff-Werke Gmbh, 5880 Luedenscheid Elektromagnetisches Relais
JPS5760633A (en) * 1980-09-26 1982-04-12 Fujitsu Ltd Solenoid relay
DE3041817C2 (de) * 1980-11-06 1986-11-13 Bach Gmbh + Co, 7100 Heilbronn Relais, insbesondere Leiterplattenrelais
US4420733A (en) * 1982-03-25 1983-12-13 Amf Incorporated Miniaturized electromagnetic relay

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3938226C1 (en) * 1989-11-17 1991-05-23 E. Dold & Soehne Kg, 7743 Furtwangen, De Miniature switching relay of H=section - providing double insulated chamber for magnet and contact systems

Also Published As

Publication number Publication date
ATE43026T1 (de) 1989-05-15
DE3327782A1 (de) 1985-06-27
EP0133977A3 (en) 1985-09-11
US4709219A (en) 1987-11-24
EP0133977A2 (fr) 1985-03-13
EP0133977B2 (fr) 1993-06-09
DE3478166D1 (en) 1989-06-15

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