EP0911849A3 - Bistable rotary snap device - Google Patents

Bistable rotary snap device Download PDF

Info

Publication number
EP0911849A3
EP0911849A3 EP98117700A EP98117700A EP0911849A3 EP 0911849 A3 EP0911849 A3 EP 0911849A3 EP 98117700 A EP98117700 A EP 98117700A EP 98117700 A EP98117700 A EP 98117700A EP 0911849 A3 EP0911849 A3 EP 0911849A3
Authority
EP
European Patent Office
Prior art keywords
anchor
yoke
permanent magnet
arms
snap body
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
EP98117700A
Other languages
German (de)
French (fr)
Other versions
EP0911849A2 (en
EP0911849B1 (en
Inventor
Georgi Dipl-Ing. Cwetanski
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.)
ABB Patent GmbH
Original Assignee
ABB Patent 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 ABB Patent GmbH filed Critical ABB Patent GmbH
Publication of EP0911849A2 publication Critical patent/EP0911849A2/en
Publication of EP0911849A3 publication Critical patent/EP0911849A3/en
Application granted granted Critical
Publication of EP0911849B1 publication Critical patent/EP0911849B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2227—Polarised relays in which the movable part comprises at least one permanent magnet, sandwiched between pole-plates, each forming an active air-gap with parts of the stationary magnetic circuit
    • 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
    • H01H50/32—Latching movable parts mechanically
    • H01H50/326—Latching movable parts mechanically with manual intervention, e.g. for testing, resetting or mode selection

Abstract

Die Erfindung betrifft einen bistabilen, drehbar gelagerter Schnappkörper (10), mit zwei beweglichen Kontaktstücken (13,14), die mit zwei festen Kontaktstücken wechselweise in Kontakt bringbar sind, mit einer Permanentmagnetanordnung und einer elektromagnetischen Antriebsanordnung, wobei die Permanentmagnetanordnung einen Permanentmagneten aufweist, daß am Schnappkörper (10) aus Isoliermaterial ein erster Anker (21) und ein zweiter Anker (25) angebracht sind, daß der erste Anker (21) zwei in entgegengesetzte Richtung vorspringende Arme (22,23) aufweist, daß ein ortsfestes, zwei parallele und senkrecht zu den Armen verlaufende Jochschenkel (29,30) aufweisendes Joch vorgesehen ist, das so dem Körper (10) zugeordnet ist, daß ein erster Arm einen Jochschenkel berührt, wogegen der andere Anker gleichzeitig den anderen Jochschenkel berührt, und umgekehrt, und daß wenigstens eine Spule vorgesehen ist, die den Magnetfluß im Joch umkehrt und so den Schnappkörper (10) in zwei stabile Stellungen umsteuert.

Figure 00000001
The invention relates to a bistable, rotatably mounted snap body (10), with two movable contact pieces (13, 14), which can be brought into contact alternately with two fixed contact pieces, with a permanent magnet arrangement and an electromagnetic drive arrangement, the permanent magnet arrangement having a permanent magnet that on the snap body (10) made of insulating material, a first anchor (21) and a second anchor (25) are attached in such a way that the first anchor (21) has two arms (22, 23) projecting in opposite directions, that one stationary, two parallel and Yoke legs (29, 30) extending perpendicular to the arms is provided, which is assigned to the body (10) in such a way that a first arm touches a yoke leg, whereas the other anchor simultaneously touches the other yoke leg, and vice versa, and at least a coil is provided which reverses the magnetic flux in the yoke and so the snap body (10) in two stabi positions reversed.
Figure 00000001
EP19980117700 1997-10-22 1998-09-18 Bistable rotary snap device Expired - Lifetime EP0911849B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1997146592 DE19746592A1 (en) 1997-10-22 1997-10-22 Bistable, rotatably mounted snap body
DE19746592 1997-10-22

Publications (3)

Publication Number Publication Date
EP0911849A2 EP0911849A2 (en) 1999-04-28
EP0911849A3 true EP0911849A3 (en) 2000-04-19
EP0911849B1 EP0911849B1 (en) 2006-02-15

Family

ID=7846253

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980117700 Expired - Lifetime EP0911849B1 (en) 1997-10-22 1998-09-18 Bistable rotary snap device

Country Status (2)

Country Link
EP (1) EP0911849B1 (en)
DE (2) DE19746592A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3837666A1 (en) * 1988-11-05 1990-05-10 Gruner Kg Relais Fabrik Relay
US5455549A (en) * 1994-02-25 1995-10-03 Siemens Energy & Automation, Inc. Multi-function button for electronic overload relay
DE4445069A1 (en) * 1994-12-06 1996-06-13 Brose Fahrzeugteile Polarized relay

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4312950A1 (en) * 1993-04-21 1994-10-27 Abb Patent Gmbh Magnetic trigger for an electrical switching device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3837666A1 (en) * 1988-11-05 1990-05-10 Gruner Kg Relais Fabrik Relay
US5455549A (en) * 1994-02-25 1995-10-03 Siemens Energy & Automation, Inc. Multi-function button for electronic overload relay
DE4445069A1 (en) * 1994-12-06 1996-06-13 Brose Fahrzeugteile Polarized relay

Also Published As

Publication number Publication date
DE59813383D1 (en) 2006-04-20
DE19746592A1 (en) 1999-04-29
EP0911849A2 (en) 1999-04-28
EP0911849B1 (en) 2006-02-15

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