EP1223598B1 - Système de contact pour un relais électromagnétique - Google Patents

Système de contact pour un relais électromagnétique Download PDF

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Publication number
EP1223598B1
EP1223598B1 EP02000523A EP02000523A EP1223598B1 EP 1223598 B1 EP1223598 B1 EP 1223598B1 EP 02000523 A EP02000523 A EP 02000523A EP 02000523 A EP02000523 A EP 02000523A EP 1223598 B1 EP1223598 B1 EP 1223598B1
Authority
EP
European Patent Office
Prior art keywords
contact
actuator
normally open
relay
movable portion
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 - Lifetime
Application number
EP02000523A
Other languages
German (de)
English (en)
Other versions
EP1223598A3 (fr
EP1223598A2 (fr
Inventor
Johannes Oberndorfer
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 Electric Works Europe AG
Original Assignee
Matsushita Electric Works Europe 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 Matsushita Electric Works Europe AG filed Critical Matsushita Electric Works Europe AG
Priority to DK02000523T priority Critical patent/DK1223598T3/da
Priority to SI200230133T priority patent/SI1223598T1/xx
Publication of EP1223598A2 publication Critical patent/EP1223598A2/fr
Publication of EP1223598A3 publication Critical patent/EP1223598A3/fr
Application granted granted Critical
Publication of EP1223598B1 publication Critical patent/EP1223598B1/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
    • H01H50/54—Contact arrangements
    • H01H50/546—Contact arrangements for contactors having bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/002—Monitoring or fail-safe circuits
    • H01H47/004—Monitoring or fail-safe circuits using plural redundant serial connected relay operated contacts in controlled 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
    • H01H50/641—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
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/001—Means for preventing or breaking contact-welding

Definitions

  • Such relays with positively driven contacts have the task a circuit to be switched, such as the supply circuit of Machine tools, gates, furnaces or medical devices sure to separate.
  • a circuit to be switched such as the supply circuit of Machine tools, gates, furnaces or medical devices sure to separate.
  • These are the existing in the known relay two NO contacts in the circuit to be switched with the contacts a second relay arranged in series. Can one of the NO, about due to contact welding, do not open, so the second closer remains still functional and can still break the circuit.
  • an actuating arrangement ensures that the Opener can only return to its closed rest position, when both normally open.
  • the actuating arrangement of the known relay consists of two parallel to each other movable components, each with lateral projections attack on the moving parts, and one of which Relay armature is driven, while the other is designed as a forcible guide is.
  • the arrangement works properly only if the two components of the actuator assembly matched exactly are and with their lateral projections on the one hand entrainment of the respective ensure moving parts and on the other hand enough play Let go of the entrainment of the moving parts by the side projections the other movable member does not hinder.
  • the invention is based on the general object, disadvantages, such as in comparable electromagnetic relays according to the state of Technique occur, at least partially eliminate.
  • disadvantages such as in comparable electromagnetic relays according to the state of Technique occur, at least partially eliminate.
  • a more specific task The invention can be seen in an electromagnetic To provide relay, the same function as the above-known known Relay with a simpler structure achieved.
  • the measure of claim 4 is for the reliability of Advantage.
  • the contact arrangement comprises two make contacts 10 and 20, one opener 30 and two actuators 40, 50 .
  • the shutter 10 consists of a fixed contact 11 with two contact pieces 12, 13 and a connecting part 14 and a contact spring 15 which is attached at its one end to a connecting part 16 and at its other, free end two contact pieces 17, 18 carries with the contact pieces 12, 13 of the fixed contact 11 work together.
  • the make 20 and the opener 30 are identical.
  • the contact springs 15, 25 of the two closer 10, 20 are formed as flexure-contact springs, so that their contact pieces in the rest position, considered without an actuator, at a distance from those of the respective fixed contact 11, 21 are located.
  • the contact spring 35 of the opener 30 is formed as a lift-off contact spring, so that their contact pieces in the rest position, considered without an actuator, bear against the contact pieces of the fixed contact 31 .
  • the actuator 40 is designed as a total of approximately U-shaped flat circuit board, wherein the right, downwardly projecting leg 41 of the U-shape has a downwardly open slot 42 which in the installed state of the actuator 40 (see Fig. 2 to 4) the contact spring 15 of the closer 10 engages on both sides.
  • the slot 42 is provided with two projections 43, 44 facing each other, which abut on both sides of the contact spring 15 play.
  • the downwardly projecting left leg 45 has a right leg 41 facing the projection 46 which rests according to Figures 3 and 4 on the left side surface of the contact spring 35 of the opener 30 .
  • the actuator 50 is substantially identical to the actuator 40 , wherein only the distance between the two legs 51, 55 is smaller from each other.
  • the slot 52 engages around the contact spring 25 of the shutter 20, wherein the two projections 53, 54 rest against the side surfaces of the contact spring 25 play, while the projection 56 of the left leg 55 abuts the left side surface of the contact spring 35 of the opener 30 .
  • the two actuators 40, 50 are arranged close to each other, with their left end faces, which are aligned in the rest position shown in Figure 2, to rest against the armature 60 of a here assumed as monostable relay.
  • the coil 61 and the coil terminals 62 and the core 63 penetrating the coil 61 are shown in FIG. 2 with the pole shoes 64 projecting upwards and interacting with the armature 60 .
  • the relay is in the rest position, so that the closer 10, 20 are open and the opener 30 is closed.
  • the actuators 40, 50 are designed such that they are forcibly coupled with the contact springs 15, 25 of the respectively associated closer 10, 20 in both directions.
  • the contact springs 15, 25 are guided in attracting relay by the actuator 40, 50 against its spring bias in the closed position, while the opening of the closer 10, 20 takes place by the restoring force of the springs 15 and 25 respectively.
  • the third contact 30 is configured as an opener. It would also be possible to form this contact as normally open. In this case, whenever one of the two closer 10, 20 welded, the third contact 30 would not be able to open. This function could also be used to detect a welding condition.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Relay Circuits (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Electromagnets (AREA)

Claims (4)

  1. Relais électromagnétique avec un induit (60) et un système de contact qui comporte au moins deux contacteurs (10, 20), un autre contact (30) et un dispositif d'actionnement comprenant au moins deux composants déplaçables parallèlement qui
    lors du déplacement de l'induit (60) dans une position de travail autorise la fermeture des deux contacteurs (10, 20) et la commutation de l'autre contact (30), et
    au retour de l'induit (60) dans la position de repos autorise l'ouverture des contacteurs (10, 20), mais empêche le retour de l'autre contact (30) lorsque l'un des contacteurs (10, 20) ne s'ouvre pas,
    caractérisé en ce que les composants du dispositif d'actionnement sont des actionneurs (40, 50) entraínés individuellement par l'induit (60),
    à chaque contacteur (10, 20) est associé son propre actionneur (40, 50),
    la partie déplaçable de chaque contacteur (10, 20) est couplée, de manière guidée forcée dans le sens d'ouverture du contact, avec l'actionneur (40, 50) associé, et
    tous les actionneurs (40, 50) sont couplés, de manière guidée forcée uniquement dans le sens de la position de travail, avec la partie mobile (35) de l'autre contact (30).
  2. Relais selon la revendication 1, dans lequel la partie mobile (15, 25) de chaque contacteur (10, 20) et la partie mobile (35) de l'autre contact (30) fournissent les forces de rappel pour les actionneurs (40, 50) associés.
  3. Relais selon la revendication 1 ou 2, dans lequel les actionneurs (40, 50) sont conçus en tant que cartes de commutation disposées côte à côte, de longueur différente, dont chacune entoure la partie mobile (15, 25) du contacteur (10, 20) associé.
  4. Relais selon la revendication 3, dans lequel la partie mobile (15, 25) de chaque contacteur (10, 20) est réalisée en tant que ressort de contact à flexion et est couplée, de manière guidée forcée dans les deux sens de déplacement, avec l'actionneur (40, 50) associé, et dans lequel la partie mobile (35) de l'autre contact (30) est réalisée en tant que ressort de contact lift-off.
EP02000523A 2001-01-16 2002-01-09 Système de contact pour un relais électromagnétique Expired - Lifetime EP1223598B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DK02000523T DK1223598T3 (da) 2001-01-16 2002-01-09 Kontaktsystem til elektromagnetisk relæ
SI200230133T SI1223598T1 (en) 2001-01-16 2002-01-09 Contact system for electromagnetic relay

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10101751A DE10101751C1 (de) 2001-01-16 2001-01-16 Kontaktsystem für elektromagnetisches Relais
DE10101751 2001-01-16

Publications (3)

Publication Number Publication Date
EP1223598A2 EP1223598A2 (fr) 2002-07-17
EP1223598A3 EP1223598A3 (fr) 2003-01-29
EP1223598B1 true EP1223598B1 (fr) 2005-03-16

Family

ID=7670713

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02000523A Expired - Lifetime EP1223598B1 (fr) 2001-01-16 2002-01-09 Système de contact pour un relais électromagnétique

Country Status (7)

Country Link
EP (1) EP1223598B1 (fr)
AT (1) ATE291275T1 (fr)
DE (2) DE10101751C1 (fr)
DK (1) DK1223598T3 (fr)
ES (1) ES2236367T3 (fr)
PT (1) PT1223598E (fr)
SI (1) SI1223598T1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10309596B3 (de) * 2003-03-05 2004-12-30 Matsushita Electric Works (Europe) Ag Relais-Kontaktanordnung
JP5724065B2 (ja) * 2011-02-24 2015-05-27 パナソニックＩｐマネジメント株式会社 電磁リレー

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL174779C (nl) * 1978-04-19 1984-08-01 Haller & Co E Contactinrichting voor een elektrisch relais.
DE19600314C2 (de) * 1996-01-06 1999-02-04 Hengstler Gmbh Relais mit zwangsgeführten Kontaktsätzen
WO2000024020A1 (fr) * 1998-10-16 2000-04-27 Tyco Electronics Gmbh Relais de securite

Also Published As

Publication number Publication date
PT1223598E (pt) 2005-05-31
ES2236367T3 (es) 2005-07-16
SI1223598T1 (en) 2005-10-31
EP1223598A3 (fr) 2003-01-29
EP1223598A2 (fr) 2002-07-17
DK1223598T3 (da) 2005-04-18
DE10101751C1 (de) 2002-11-14
ATE291275T1 (de) 2005-04-15
DE50202451D1 (de) 2005-04-21

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