EP0697706B1 - Structure d'attache d'armature pour un relais électromagnétique - Google Patents
Structure d'attache d'armature pour un relais électromagnétique Download PDFInfo
- Publication number
- EP0697706B1 EP0697706B1 EP95110514A EP95110514A EP0697706B1 EP 0697706 B1 EP0697706 B1 EP 0697706B1 EP 95110514 A EP95110514 A EP 95110514A EP 95110514 A EP95110514 A EP 95110514A EP 0697706 B1 EP0697706 B1 EP 0697706B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- armature
- spring
- section
- bearing
- face
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/24—Parts rotatable or rockable outside coil
- H01H50/28—Parts movable due to bending of a blade spring or reed
Definitions
- the invention relates to an anchor holder for an electromagnetic Relay with a parallel to a coil core flat yoke leg, one on its face Bearing edge for a plate-shaped anchor and at least a retaining pin projecting over the end face forms, the anchor approximately at right angles to the yoke leg is arranged and with the coil core a working air gap forms, further with an anchor spring formed from sheet metal, which with a bearing section on the the coil core the anchor side facing away is attached flat and with a biasing portion is held on the support pin.
- An anchor bracket of this type is already with a relay known, which is described in DE 35 28 715 A1.
- the anchor rests on the front of the yoke leg, whereby he has a recess in the area of a respective holding pin owns.
- the anchor spring is in the bearing area of the yoke leg bent outwards and with their retaining tabs on attached to the smooth surface of the retaining pin or pins, what, for example, because of the effective forces by a Welding process or in a similar way must be done.
- There the anchor's bearing point is not there with the axis of movement the spring coincides with a certain bearing friction expected in the anchor bearing, which is undesirable.
- the aim of the present invention is to provide an anchor bracket to create the type mentioned, in which by a certain anchor-yoke-spring combination a very low friction and abrasion Anchor bearing is created.
- the anchor and spring should be light and with few parts, especially with few simple operations can be assembled; at the same time Clamping effects between anchor, yoke and spring avoided become.
- an anchor bracket achieved in that the bearing edge between the front side and the broad side facing the core of the yoke leg is formed that the anchor with his Front side mounted on the broad side of the yoke leg is that the armature spring with its bearing section on the Front of the yoke leg rests and that the biasing section the anchor spring on the holding pin with such a bias is supported that between the bearing section the inner edge of the bearing formed by the spring and the end face of the anchor is pressed against the bearing edge of the yoke leg.
- the anchor is therefore in the anchor holder according to the invention not on the front as in most conventional cases of the yoke leg, rather it is with his Front side mounted on the broad side of the yoke, the Front side of the armature together with the armature spring an inner edge of the bearing forms that formed by the end of the yoke leg Bearing edge includes.
- the bearing axis of the anchor and the the spring coincides with it, so that the friction in the bearing is minimized.
- the anchor spring simply away from the anchor Yoke outside in a notch or the like of Attach the retaining pin. This also results in a simple one Assembly because a welding process or the like is not required is. (The connection of the anchor to the anchor spring welding or riveting takes place before assembly on the yoke.)
- the anchor can also be made without incisions in connection with the yoke leg over the entire width of the yoke stay, which works well for the magnetic transition, because neither the anchor spring nor the retaining pin touch the bearing edge cut through.
- the bearing edge in cross section a smaller angle than that between the anchor face and the bearing portion of the spring have formed inner edge, with the choice of the attachment point of the biasing portion of the spring on the support pin the restoring force for the armature is specified.
- the bearing edge is through the projecting retaining pin or by additional yoke steps divided into two separate edge sections, the bearing section of the armature spring accordingly the edge sections forms two spring bars, between which the biasing section is cut free. It would be conceivable also a reverse embodiment, in which a medium Edge section with a bearing section of the armature spring between two lateral holding pins and two spring pre-tensioning sections would be provided, but in this case the narrower support base of the anchor spring on the yoke leg the stability of the anchor guide is lower.
- the armature spring is also designed so that the biasing section and the bearing section or the spring bars next to each other on a common Spring end section related and their mutual Preload is characterized by opposite elastic spreading get the level of the spring end section out.
- This common one The spring end section expediently extends parallel to the outer broad side of the yoke leg, while the bearing portion and the biasing portion of the armature spring offset to each other each L-shaped to the anchor or are bent towards the holding pin.
- the common spring section expediently extends with a certain Distance parallel to the yoke leg, causing it to move when anchoring can be bent and a softer Spring characteristic results.
- the biasing section through a central recess to a spring clip with proportionally small cross-section is formed in a hanging notch of the holding pin is supported.
- the one hung on the retaining pin The crossbar of the spring clip is arched molded on the inside, resulting in the aforementioned protection against displacement in the direction of the armature bearing axis.
- the relay shown in the drawing has one not shown base body or coil body a core 1, which is connected to an L-shaped yoke 2, whereby a free yoke leg 21 extends parallel to the core.
- a Armature 3 is mounted on the yoke leg 21 and forms a core pole plate 4 a working air gap. He's about one Armature spring 10 held in a manner to be described later; a contact spring 11 is in one piece on the armature spring 10 molded on which contact pieces at their free end 5 carries, which can be switched between two counter-contact elements 6 and 7 are.
- a second, indicated by dashed lines in FIG. 4 Contact spring lla can, for example, for bridge or Serve double contact.
- the power supply to the contact spring takes place via a strand 8 and one not shown Connector.
- the armature 3 is with its end face to the coupled to the core facing broad surface of the yoke leg 21.
- the yoke leg forms one on its end face Bearing edge 22, which, however, in the form of two edge sections formed only on the outer regions of the yoke leg 21 is.
- the one cut out like a frame in the storage area Armature spring 10 has a bearing section in the form of two Spring bars 12, which on the outside facing away from the core the armature 3 are attached lying, for example by Rivet 31.
- the spring bars 12 form with the end face of the anchor 3 an inner edge 32 which rests on the bearing edge 22.
- the end face 23 of the yoke leg 21 slightly chamfered so that the bearing edge 22 in cross section has an angle of slightly less than 90 ° to the free Mobility of the armature 3 with the spring bars 12 on the bearing edge 22 to ensure.
- the armature spring 10 is preferably made made of a harder material than the soft iron of the Yokes 2, for example made of stainless steel. To this Way results from the material pairing of the yoke on the one hand and the armature spring, on the other hand, has good bearing properties.
- the yoke leg 21 is between the two spring bars 12 slightly extended and thus forms yoke steps 24, which secure the anchor against lateral impact and additionally the magnetic coupling of the armature 3 to the yoke leg 21 improve.
- the width of the yoke steps 24 is selected so that that a distance to the spring bars 12 remains, to a frictional movement between the spring bars and the Avoid yoke level.
- the yoke leg 21 has an extension of it Front and in the middle between the two yoke stages 24 a projecting retaining pin 25 which has a notch 26 for Has a biasing portion 13 of the armature spring.
- This biasing section 13 is by a central one Recess 17 to a spring clip with a relatively narrow Bridge width and thus small cross-section formed, see above that it has a soft spring characteristic.
- the Indian Hanging notch 26 of the retaining pin lying cross bar 14 of the The spring clip is also drawn inward in an arc, which means the spring clip and with it the anchor is centered.
- On the crossbar 14 is also formed with a mounting bracket 15, with the help of the spring clip during assembly and can be hung.
- the spring end section 16 of the armature spring facing away from the armature, which connects the spring bars 12 to the spring clip 13 extends parallel to the yoke leg 21 at its core away from the outside, with a distance from the Yoke leg. This allows this spring end cut 16 to deflect the armature movement so that the spring characteristic overall becomes softer. From the plane of the spring end section 16 are thus the spring bars 12 forming the bearing section and the spring clip 13 each approximately at right angles in the direction bent on the anchor, but offset from each other. Thereby Preload forces F1 and F2 unfold with one the distance of the hanging notch 26 to the bearing edge 22 formed Lever arm.
- the spring bars 12 on the one hand and the spring clip 13 on the other from the common spring plane of the spring end section 16 will be the anchor-anchor spring combination with the Forces F1 and F2 in two directions against the bearing edge 22 pressed.
- the location of the mount point in the notch 26 is a prestressing moment for the anchor generated its pivot point on the inner edge 32, whereby the At rest contact force is determined.
- the retaining pin 25 is weakened in cross section so that it can be deformed along the double arrow 28 to the Attachment point in the notch 26 and thus adjust the bias.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Impact Printers (AREA)
Claims (11)
- Structure d'attache d'armature pour un relais électromagnétique, comprenant une branche (21) de culasse plate parallèle à un noyau (1) de bobine et qui forme, sur son côté frontal (23), une arête d'appui (22) pour une armature (3) en forme de plaque ainsi qu'au moins un élément de retenue (25) saillant sur le côté frontal, l'armature étant disposée à peu près perpendiculairement par rapport à la branche de culasse et formant un entrefer de travail avec le noyau de bobine, comprenant, en outre, un ressort d'armature (10) formé d'une tôle, qui est fixé sur le côté de l'armature éloigné du noyau (1) de bobine par un segment d'appui (12) de manière à être posé à plat sur ce côté et est maintenu sur l'élément de retenue (25) à l'aide d'un segment de précontrainte (13), caractérisée en ce que l'arête d'appui (22) est formée entre le côté frontal (23) et le côté large de la branche (21) de culasse tourné vers le noyau, en ce que l'armature (3) est montée, avec son côté frontal, sur le côté large de la branche (21) de culasse, en ce que le ressort d'armature (10) est posé, avec son segment d'appui (12), sur le côté frontal de la branche (21) de culasse, et en ce que le segment de précontrainte (13) du ressort d'armature est appuyé sur l'élément de retenue (25) avec une précontrainte telle que l'arête interne d'appui (32) formée entre le segment d'appui (12) du ressort et le côté frontal de l'armature soit pressée contre l'arête d'appui (22) de la branche de culasse.
- Structure d'attache d'armature selon la revendication 1, caractérisée en ce que l'arête d'appui (22) présente, en section transversale, un angle plus petit que l'arête interne (32) formée entre le côté intérieur de l'armature et le segment d'appui du ressort et en ce que, en fixant le point d'accrochage (26) du segment de précontrainte (13) du ressort sur l'élément de retenue (25), on prédéfinit une force de rappel pour l'armature (3).
- Structure d'attache d'armature selon la revendication 2, caractérisée en ce que le segment d'appui (12) du ressort d'armature (10) forme un angle droit avec le côté frontal de l'armature une fois monté et en ce que l'arête d'appui (22) de la branche de culasse possède, grâce à un biseau du côté frontal (23) de la culasse, un angle de section transversale inférieur à 90°.
- Structure d'attache d'armature selon l'une des revendications 1 à 3, caractérisée en ce que le point d'accrochage (26) du segment de précontrainte (13) peut être déplacé sous l'effet de la déformation de l'élément de retenue (25).
- Structure d'attache d'armature selon la revendication 4, caractérisée en ce que l'élément de retenue (25) est pourvu, dans la zone située entre le point d'accrochage (26) du segment de précontrainte (13) et le passage à la branche (21) de culasse, d'une encoche d'ajustage (27).
- Structure d'attache d'armature selon l'une des revendications 1 à 5, caractérisée en ce que le segment de précontrainte (13) et le segment d'appui (12) sont liés, l'un à côté de l'autre, à un segment d'extrémité de ressort (16) du ressort d'armature commun et leur précontrainte provient d'un écartement élastique, dans des sens opposés, par rapport au plan du segment d'extrémité de ressort (16).
- Structure d'attache d'armature selon l'une des revendications 1 à 6, caractérisée en ce que l'arête d'appui (22) est divisée en deux segments d'arête séparés l'un de l'autre, entre lesquels l'élément de retenue (25) est formé sur la branche (21) de culasse, et en ce que le segment d'appui (12) du ressort d'armature (10) forme deux éléments intermédiaires de ressort (12) correspondant aux segments d'arête et entre lesquels est découpé le segment de précontrainte (13).
- Structure d'attache d'armature selon l'une des revendications 6 ou 7, caractérisée en ce que le segment d'extrémité de ressort du ressort d'armature (16) commun s'étend parallèlement au côté large de la branche (21) de culasse et en ce que le segment d'appui (12) et le segment de précontrainte (13) sont pliés, à chaque fois en forme de L, en direction de l'armature (3) resp. de l'élément de retenue (25), avec un décalage l'un par rapport à l'autre.
- Structure d'attache d'armature selon l'une des revendications 7 ou 8, caractérisée en ce que le segment de précontrainte (13) est formé en un étrier de ressort en pratiquant un évidement central, lequel étrier est appuyé dans une encoche d'accrochage (26) de l'élément de retenue (25).
- Structure d'attache d'armature selon l'une des revendications 1 à 9, caractérisée en ce que le segment de précontrainte (13) est assuré contre un déplacement dans une direction parallèle à l'arête d'appui (22), par engrenage avec liaison de force avec l'élément de retenue (25).
- Structure d'attache d'armature selon l'une des revendications 1 à 10, caractérisée en ce que le ressort d'armature (10) est pourvu d'un ressort de contact (11) solidaire avec lui et saillant sur l'extrémité de l'armature mobile.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4429552A DE4429552A1 (de) | 1994-08-19 | 1994-08-19 | Ankerhalterung für ein elektromagnetisches Relais |
DE4429552 | 1994-08-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0697706A2 EP0697706A2 (fr) | 1996-02-21 |
EP0697706A3 EP0697706A3 (fr) | 1998-02-25 |
EP0697706B1 true EP0697706B1 (fr) | 1999-10-13 |
Family
ID=6526157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95110514A Expired - Lifetime EP0697706B1 (fr) | 1994-08-19 | 1995-07-05 | Structure d'attache d'armature pour un relais électromagnétique |
Country Status (4)
Country | Link |
---|---|
US (1) | US5534834A (fr) |
EP (1) | EP0697706B1 (fr) |
JP (1) | JPH0869736A (fr) |
DE (2) | DE4429552A1 (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5889451A (en) * | 1995-08-23 | 1999-03-30 | Siemens Aktiengesellschaft | electromagnetic relay and its use on a printed circuit board |
DE19544624C1 (de) * | 1995-11-30 | 1997-01-02 | Hella Kg Hueck & Co | Elektromagnetisches Klappankerrelais |
US6679488B2 (en) * | 2000-05-08 | 2004-01-20 | Tyco Electronics Amp Gmbh | Armature spring for a relay |
US6498561B2 (en) * | 2001-01-26 | 2002-12-24 | Cornerstone Sensors, Inc. | Thermistor and method of manufacture |
DE10200619B4 (de) * | 2001-02-22 | 2006-07-13 | Tyco Electronics Amp Gmbh | Elektromagnetisches Schaltrelais |
AUPR475301A0 (en) * | 2001-05-04 | 2001-05-31 | Alcatel | Micro-relay for telecommunications network configuration |
ES2240617T3 (es) * | 2001-08-10 | 2005-10-16 | Tyco Electronics Amp Gmbh | Rele conmutador con resorte de armadura mejorado. |
DE10162585C1 (de) * | 2001-12-19 | 2003-04-24 | Gruner Ag | Prellreduziertes Relais |
DE102008039705B4 (de) * | 2008-08-26 | 2018-05-30 | Te Connectivity Germany Gmbh | Kontaktbaugruppe für ein Relais, Relais mit Kontaktbaugruppe und Verfahren zur Montage eines Relais |
DE102008039704A1 (de) * | 2008-08-26 | 2010-03-04 | Tyco Electronics Amp Gmbh | Kontaktanordnung mit gebogener Litze, Relais mit Kontaktanordnung und Verfahren zur Montage eines Relais |
JP4952840B1 (ja) * | 2010-12-06 | 2012-06-13 | オムロン株式会社 | 電磁継電器 |
SG2012068896A (en) * | 2012-09-17 | 2014-04-28 | Schneider Electric South East Asia Hq Pte Ltd | Tool and method for switching an electromagnetic relay |
DE102014103247A1 (de) * | 2014-03-11 | 2015-09-17 | Tyco Electronics Austria Gmbh | Elektromagnetisches Relais |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3675852D1 (de) * | 1985-08-09 | 1991-01-10 | Siemens Ag | Elektromagnetisches relais. |
DE3528715A1 (de) | 1985-08-09 | 1987-02-19 | Siemens Ag | Elektromagnetisches relais |
BR9001560A (pt) * | 1990-04-04 | 1990-11-06 | Schrack Eletronica Ltda | Tele miniatura aperfeicoada |
DE9015406U1 (de) * | 1990-11-09 | 1992-03-05 | Siemens AG, 8000 München | Elektromagnetisches Relais mit auf dem Anker befestigter Kontaktfeder |
US5155458A (en) * | 1991-11-04 | 1992-10-13 | Gamble John G | Normally closed AC relay |
JP2588956Y2 (ja) * | 1993-04-14 | 1999-01-20 | ナイルス部品株式会社 | 電磁継電器 |
DE4320831C1 (de) * | 1993-06-23 | 1994-07-07 | Hella Kg Hueck & Co | Ankerlagerung für ein Klappankerrelais |
-
1994
- 1994-08-19 DE DE4429552A patent/DE4429552A1/de not_active Withdrawn
-
1995
- 1995-07-05 DE DE59507034T patent/DE59507034D1/de not_active Expired - Lifetime
- 1995-07-05 EP EP95110514A patent/EP0697706B1/fr not_active Expired - Lifetime
- 1995-08-10 US US08/513,616 patent/US5534834A/en not_active Expired - Fee Related
- 1995-08-15 JP JP7208239A patent/JPH0869736A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US5534834A (en) | 1996-07-09 |
DE59507034D1 (de) | 1999-11-18 |
DE4429552A1 (de) | 1996-02-22 |
EP0697706A2 (fr) | 1996-02-21 |
EP0697706A3 (fr) | 1998-02-25 |
JPH0869736A (ja) | 1996-03-12 |
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