EP0707331B1 - Relais - Google Patents

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Publication number
EP0707331B1
EP0707331B1 EP95890179A EP95890179A EP0707331B1 EP 0707331 B1 EP0707331 B1 EP 0707331B1 EP 95890179 A EP95890179 A EP 95890179A EP 95890179 A EP95890179 A EP 95890179A EP 0707331 B1 EP0707331 B1 EP 0707331B1
Authority
EP
European Patent Office
Prior art keywords
armature
spring
pole surface
relay according
anchor
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
EP95890179A
Other languages
German (de)
English (en)
Other versions
EP0707331A1 (fr
Inventor
Leopold Mader
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.)
Tyco Electronics Austria GmbH
Original Assignee
EH Schrack Components AG
Schrack Components 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 EH Schrack Components AG, Schrack Components AG filed Critical EH Schrack Components AG
Publication of EP0707331A1 publication Critical patent/EP0707331A1/fr
Application granted granted Critical
Publication of EP0707331B1 publication Critical patent/EP0707331B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/16Magnetic circuit arrangements
    • H01H50/18Movable parts of magnetic circuits, e.g. armature
    • H01H50/24Parts rotatable or rockable outside coil
    • H01H50/26Parts movable about a knife edge

Definitions

  • the invention relates to a relay with a magnet system, the at least one pole face and one interacting with the pole face Has an anchor with a substantially in the Level of the pole face formed, the armature supporting bearing edge (and with an elongated, two-sided in one for Anchor spring parallel plane bearing plane, which with a section between their bearings on the attacks the outside of the armature facing away from the pole face, to press it against the bearing edge.
  • an electromagnetic relay is from DE-A1-30 09 718 known in which the armature spring as a leaf spring a long resilient leg is formed and on this End with a semicircular embossing the anchor over an embossed flat surface in the anchor bend on the yoke cutting edge of the yoke presses.
  • the anchor in its lateral position focused precisely on the yoke.
  • Anchor springs are relatively expensive in terms of material and cost, since these usually have a complicated shape, the dimensions of which are only difficult to comply with and three-dimensional bends be carried out on the prefabricated spring blanks have to. This is especially true when the anchor spring is additional to press on the bearing an anchor in the fallen Position should generate driving torque.
  • EP-A-0 118 097 is an electromagnetic Relay of the type mentioned is known, in which an angle anchor rests on a yoke blade and on one side clamped anchor spring pressed on the bearing edge becomes.
  • this anchor spring has one from its central part branching, angled leaf spring legs, from the outside towards the yoke edge on the Anchor presses.
  • This spring also has a relative complicated shape, because of the precisely to be set Bending also involves additional manufacturing operations needed.
  • both require an angle anchor as well also the bent spring has a relatively large amount of space in the relay.
  • the object of the invention is therefore a relay of the input Specify the type mentioned, in which the anchor spring on simple How to manufacture and assemble.
  • this object is achieved in that the Anchor in the area of its outside facing away from the pole face has a support point which is essentially in the Level of the bearing points of the armature spring lies and at which the Armature spring attacks at a distance from the plane of the pole face and a force approximately parallel to it and towards the pole face to the supported end of the armature a torque driving the armature into its drop position generated.
  • the proposed measures offer the possibility to make the anchor spring very simple and material-saving and to dispense with complicated shapes.
  • the armature spring is designed as a leaf spring.
  • the armature spring can also be produced in a flat shape and no pre-deformation is required, so that the production process is considerably simplified.
  • the support point of the anchor spring on or in the anchor in terms of height compared to the two clamping or bearing points is offset, then the anchor spring bulges in the inserted State, so that to generate the armature driving back Torque required force from this bending stress the armature spring comes without the need for a to produce a protruding spring.
  • An advantageous embodiment of the invention can consist in that the support point on or in the armature lies on a surface which is inclined towards the pole face and which runs obliquely in the direction from the pole face to the outside of the armature.
  • the inclination of the surface of the armature, on which the support point of the armature spring lies, ensures that the force of the armature spring acting on this surface causes a force component acting in the direction of the pole surface and thus prevents the armature from slipping.
  • the armature spring in is essentially E-shaped, the central web forming a spring tongue on the the anchor spring is supported in the wedge-shaped impression of the anchor, and on the outer Web latching lugs are formed, which can be snapped into a fixed part of the relay are.
  • Anchor spring that enables the anchor to be fixed and the anchor to be created its dropped position ensures driving torque.
  • Another embodiment of the invention may consist in that Locking the locking lugs of the outer webs on a part receiving the magnet system Locking recesses are provided.
  • the part receiving the magnet system can be accommodated in such a way Form in one piece so that it also receives the locking recesses for the armature spring, so that no additional parts have to be manufactured and assembled.
  • the bearing edge supporting the armature is formed by two or more wedge-shaped elevations of the part, on their Wedge surfaces of the armature rests on the front side in its dropped position.
  • the anchor has projecting side edges, which in the fallen state of the anchor rest on projections of the bobbin.
  • Anchor spring formed by a leaf spring with a rectangular cross-section throughout and in the middle on a projection of the armature with a surface inclined obliquely against the pole face is supported.
  • the armature spring by a between two clamping points tensioned wire spring with a continuous circular cross-section formed and supported in the middle on a projection of the anchor.
  • FIG. 1 shows an embodiment of a magnet system according to the invention a core 6 and a yoke 7, which is provided with a pole face 8 at its end is.
  • the magnet system sits on the core 6 in the assembled state receiving part 9, which carries a coil, not shown.
  • An anchor 11 is by means of a Armature spring 1 held in contact with a bearing edge supporting it, which essentially lies in the plane of a pole face 30 of the core 6 and through wedge-shaped elevations 16 is determined, the armature spring 1 engaging in an indentation 12 of the armature 11 and in this is supported, which the anchor 11 in its position in the direction of the longitudinal extension the bearing edge 16 defines.
  • the armature 11 When the armature 11 is attracted, it lies with its Upper part on the pole face 8, while in the fallen state, an air gap between Armature 11 and pole face 8 is present.
  • the area 31 is in Direction from the pole face 30 of the core 6 to the outside 32 of the armature 11, wherein an angle ⁇ between the armature spring plane and surface 31 is included.
  • the one from the inclined position of the surface 31 resulting force F acts on the armature 11 driving torque M.
  • the Armature spring 1 Before assembling part 9, armature 11 and armature spring 1, the Armature spring 1 is still completely flat and is only built into the built-in force brought arched shape (Fig. 5, 6 and 7), in which it is arched because of the support point 31 or 31 'of the armature spring 1 according to a variant of the invention on or in the armature 11 is offset in height in relation to the two clamping or bearing points 33.
  • the leaf spring 1 clamped at both ends is centered on the surface 31 which is supported by a wedge-shaped indentation 12 of the armature 11 is formed (Fig. 5).
  • the armature spring 1 can, however, be designed in various other forms be, for example in that the clamping is not made laterally but in the middle or that another form of curvature is chosen.
  • the spring can also be bulged and / or no height offset of the anchor support point compared to the clamping or bearing point of the Anchor spring may be provided.
  • the bearing edge is by two determines wedge-shaped elevations 16 of part 9, on the wedge surfaces of the armature 11 rests on the face in its dropped position. Furthermore, contacts 10 for the electrical Connection to the coil, not shown, and to the contact system, not shown, which is actuated by the armature 11, is provided.
  • FIG. 2 shows the anchor spring 1 according to the invention from FIG according to a further variant of the invention, flat and essentially E-shaped is, the middle web forms a spring tongue 2 on which the armature spring 1 in the impression 12 of the armature 11, or the surface 31 of the indentation 12, is supported, and on the outer webs 3 locking lugs 4 are formed, which in a fixed part of the relay the clamping or bearing points 33 can be snapped into place.
  • the spring tongue 2 can be lateral Have approaches that additionally protect the armature 11 against sliding sideways. Furthermore, recesses or projections can also be made in the indentation 12 in this regard be provided to prevent such slipping. As can be seen from Fig.
  • the illustrated locking lugs 4 can, however, in any other any shape, they only need the anchor spring 1 on its outer Clamp webs 3.
  • the shape of the spring tongue 2 can vary, but it must be in the embossing 12 of the armature 11 can intervene that by the resulting Curvature of the armature spring 1 the force for a restoring torque is applied.
  • the armature spring 1 is of the two-sided type clamped or stored carrier, the clamping or bearing points 33 and the support point 31 of the spring 1 on or in the armature 11 with one another at least in one Leveled essentially.
  • Figure 3 is a longitudinal section of an already assembled relay according to 1 to recognize that the anchor 11 in its dropped state on the face of the wedge-shaped, the bearing edge defining elevations 16 rests, the surface 31 of the Imprint 12, on which the spring tongue 2 is supported, at an angle to that of the Armature spring 1 exerted force F1 (Fig.3a) is set so that the armature spring 1 a Armature 11 exerts driving torque in the dropped position.
  • the impression 12 of the armature 11 is provided by a truncated cone-shaped opening is formed, but there may be any other form of opening be provided, one wall of which is set at an angle to the acting force F. is.
  • the round shape of the opening means that the Anchor 11 is difficult because only the low position of the spring tongue 2 in the Embossing 12 is stable, while slipping sideways due to the increasing curvature the impression 12 centering forces are exerted on the armature 11.
  • a better storage of the armature 11 and the support of its rotational movement this provided in the area of its storage with a rounded edge 75.
  • FIG 4 shows a further view of the relay according to the invention according to FIG shown. From this point of view it can be seen that the spring tongue 2 on the surface 31 of the impression 12 is supported.
  • the clamping points 33 of the armature spring 1 are through locking recesses 3 of part 9 formed. This results in a curvature of the armature spring 1 along their longitudinal axis.
  • the force F acts downward on the surface 31 of the indentation 12 Tightening the armature 11
  • the armature spring 1 is subjected to an even stronger bend, so that in the tightened state against the now even stronger torque, which wants to bring the anchor 11 in the fallen state, the required attraction Generation of a counteracting torque by the magnetic field must be applied.
  • the armature 11 goes again by itself into its fallen position and remains there until the next excitement. in the in the fallen state, the anchor 11 rests on its projecting side edges Projections 14 of the bobbin 9.
  • the Armature spring 101 in the form of a conventional leaf spring with a rectangular shape throughout Cross-section is formed without any tongues, forming a bulge their ends are clamped vertically offset from the support point, and wherein the Deflection of the spring 101 along its longitudinal axis and parallel to the through Clamping points 33 and the support points of the armature spring 101 certain level.
  • a Armature 110 has a projection 20 with a surface 31 '( Figure 7) on which the Armature spring 101 is supported. The curvature is applied with an appropriate Force generated when the armature 110 is assembled with the armature spring 101.
  • the armature spring 101 can be designed without a spring tongue.
  • the surface 31 'of the projection 20 on which the armature spring 101 is supported is set at an angle to the direction of the force F1 exerted by the armature spring 101, so that the armature spring 101 drives the armature 110 back into the dropped position Exerts torque M.
  • the division of force F1 into its components corresponds that shown in Figure 3a, so that one component provides a driving moment, while the other component creates the necessary bearing pressure to hold the anchor against the Secure slipping.
  • anchor springs according to the invention are also conceivable, to be supported on an indentation or on a projection of the anchor guarantee. So is a shape with a central incision within the frame the invention, if a suitable projection is provided on the anchor. Also the anchor spring does not have to be on the side, but can also be clamped in the middle.
  • FIG between two clamping points tensioned wire spring is formed as an armature spring 201, the is supported centrally on a surface 31 "of a projection 200 of an anchor 111 Clamping points are offset in height relative to the support surface 31 " continuous circular cross section of the armature spring 201 results in each position of the Ankers 111 equality of force F with F1, which generates the driving moment and thereby includes the angle ⁇ with the vertical. This makes it a special one achieve a space-saving way of generating a driving torque.
  • FIG. 9 of an inventive Relays are the lateral clamping points 33 of the armature spring 1 in the coil body 9 in each case a small distance above the central support point 31 when the contacts 10 as Reference point can be viewed.
  • the armature spring 1 is manufactured in one in Longitudinal arched shape, with both ends symmetrically opposite stand out in the middle. Due to the specified curvature, the clamping points and the Support point in the relay can also be arranged completely in alignment, it still results a torque driving the armature back into its open position and the required Bearing contact pressure.
  • the anchor spring 1 should be in the installed position in the longitudinal direction be as straight as possible since this improves the vibration behavior of the armature and unscrewing the anchor spring from the support point in the event of strong alternating loads is prevented.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Magnetic Treatment Devices (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Claims (11)

  1. Relais, comportant un système magnétique qui comprend au moins une face (8, 30) polaire et un induit (11 ; 110 ; 111) coopérant avec la face polaire, comportant une arête (30, 16) de montage, formée sensiblement dans le plan de la face (8, 30) polaire et soutenant l'induit, et comportant un ressort (1 ; 101 ; 201) d'induit, oblong, monté des deux côtés dans un plan parallèle à la face (8, 30) polaire, et qui agit, par une partie située entre ses points (33) de montage, sur le côté (32) extérieur de l'induit (11 ; 110 ; 111) qui est opposé à la face (8, 30) polaire, afin de pousser ce dernier sur l'arête (30, 16) de montage,
    caractérisé en ce que l'induit (11 ; 110 ; 111) comporte, dans la région de son côté (32) extérieur opposé à la face (30) polaire, un point (31; 31'; 31") d'appui, qui se trouve sensiblement dans le plan des points (33) de montage du ressort (1 ; 101 ; 201) d'induit et sur lequel le ressort d'induit agit à distance du plan de la face (30) polaire et exerce, environ parallèlement à ce plan et dans une direction allant de la face (30) polaire vers l'extrémité montée de l'induit (11 ; 110 ; 111), une force (F1) qui produit un couple ramenant l'induit dans sa position retombée.
  2. Relais suivant la revendication 1, caractérisé en ce que le ressort (1, 101) d'induit est réalisé sous la forme d'un ressort à lame.
  3. Relais suivant la revendication 1 ou 2, caractérisé en ce que le point (31, 31', 31") d'appui du ressort (1, 101, 201) d'induit sur ou dans l'induit (11, 110, 111) est décalé en hauteur par rapport aux deux points (33) d'encastrement ou de montage.
  4. Relais suivant la revendication 1, 2 ou 3, caractérisé en ce que le point d'appui sur ou dans l'induit (11, 110) se trouve sur une face (31, 31') inclinée en oblique par rapport à la face (30) polaire, face qui s'étend en oblique dans une direction allant de la face (30) polaire vers le côté (32) extérieur de l'induit (11, 110).
  5. Relais suivant l'une des revendications précédentes, caractérisé en ce que la face (31) inclinée en oblique par rapport à la face (30) polaire est formée dans l'induit (11) par une région (12) évidée de forme tronconique.
  6. Relais suivant la revendication 5, caractérisé en ce que le ressort (1) d'induit est réalisé essentiellement en forme de E, la partie médiane formant une languette (2) élastique, par laquelle le ressort (1) d'induit est soutenu dans la région (12) évidée tronconique de l'induit (11), et il est formé des becs (4) d'encliquetage sur les branches (3) extérieures, qui peuvent être encliquetés dans un élément fixe du relais.
  7. Relais suivant la revendication 6, caractérisé en ce que, pour l'encliquetage des becs (4) d'encliquetage des branches (3) extérieures, il est prévu des évidements (17) d'encliquetage sur un élément (9) de réception du système magnétique.
  8. Relais suivant l'une des revendications précédentes, caractérisé en ce que l'arête de montage soutenant l'induit (11) est formée par deux ou plusieurs bossages (16) cunéiformes de l'élément (9), l'induit (11) reposant, dans sa position retombée, par son côté frontal sur les faces de coin de ces bossages.
  9. Relais suivant l'une des revendications précédentes, caractérisé en ce que l'induit (11) comporte des arêtes latérales saillantes qui, lorsque l'induit (11) est retombé, s'appliquent sur des saillies (14) de la carcasse de bobine.
  10. Relais suivant l'une des revendications précédentes, caractérisé en ce que le ressort d'induit est formé par un ressort (101) à lame de section continûment rectangulaire, et s'appuie en son milieu sur une saillie (20) de l'induit (110) qui est pourvue d'une face (31') inclinée en oblique par rapport à la face polaire.
  11. Relais suivant l'une des revendications précédentes, caractérisé en ce que le ressort d'induit est formé par un ressort (111) en fil métallique de section continûment circulaire, tendu entre deux points d'encastrement, et s'appuie en son milieu sur une saillie (200) de l'induit (111).
EP95890179A 1994-10-10 1995-10-10 Relais Expired - Lifetime EP0707331B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT1911/94 1994-10-10
AT191194 1994-10-10
AT0191194A AT410724B (de) 1994-10-10 1994-10-10 Relais

Publications (2)

Publication Number Publication Date
EP0707331A1 EP0707331A1 (fr) 1996-04-17
EP0707331B1 true EP0707331B1 (fr) 1999-06-09

Family

ID=3523693

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95890179A Expired - Lifetime EP0707331B1 (fr) 1994-10-10 1995-10-10 Relais

Country Status (5)

Country Link
US (1) US5627503A (fr)
EP (1) EP0707331B1 (fr)
AT (1) AT410724B (fr)
DE (1) DE59506151D1 (fr)
ES (1) ES2135033T3 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5905422A (en) * 1996-11-26 1999-05-18 Siemens Electromechanical Components, Inc. Relay adjustment structure
DE19653105C1 (de) * 1996-12-19 1998-04-23 Siemens Ag Elektromagnetisches Relais für hohe Wärmebelastung
DE19920742C2 (de) * 1999-05-05 2001-05-31 Tyco Electronics Logistics Ag Elektromagnetisches Relais
US6679488B2 (en) 2000-05-08 2004-01-20 Tyco Electronics Amp Gmbh Armature spring for a relay
US20040036561A1 (en) * 2001-10-05 2004-02-26 Klaus Reiter Magnet system for an electromechanical switching device and electromagnetic relay
DE50303564D1 (de) * 2003-03-06 2006-07-06 Tyco Electronics Austria Gmbh Relais mit querschnittserweitertem Kern
EP1469500B1 (fr) * 2003-04-15 2007-06-06 Siemens Aktiengesellschaft Système magnétique pour un relais à armature pivotante
DE102014103247A1 (de) * 2014-03-11 2015-09-17 Tyco Electronics Austria Gmbh Elektromagnetisches Relais
CN106328444B (zh) 2015-06-30 2019-05-10 泰科电子(深圳)有限公司 电磁继电器的磁力系统
CH713442B1 (de) * 2017-02-08 2021-03-31 Elesta Gmbh Ostfildern De Zweigniederlassung Bad Ragaz Relais.

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE941547C (de) * 1953-02-15 1956-04-12 Deutsche Telephonwerk Kabel Ankerlagerung fuer Kippanker-Elektromagnete
FR1163270A (fr) * 1956-12-12 1958-09-24 Vaucanson Atel Relais
DE2058914A1 (de) * 1970-11-30 1972-05-31 Siemens Ag Ankerlagerung fuer elektromagnetische Relais
DE7529555U (de) * 1975-09-18 1976-01-08 Eberle Werke Kg, 8500 Nuernberg Klappankerlagerung für Kleinrelais
DE2614943A1 (de) * 1976-04-07 1977-10-20 Ernst Duerr Elektromagnetisches kleinschaltrelais fuer hohe kontaktschaltleistung
AT382739B (de) * 1979-10-22 1987-04-10 Schrack Elektronik Ag Elektromechanisches relais
DE3009718C2 (de) 1980-03-13 1983-07-28 Badische Telefonbau A. Heber GmbH + Co KG, 7592 Renchen Elektromagnetisches Relais
DE3307921C2 (de) * 1983-03-05 1986-10-09 Standard Elektrik Lorenz Ag, 7000 Stuttgart Elektromagnetisches Relais
DE4003558A1 (de) * 1990-02-06 1991-08-08 Siemens Ag Elektromagnetisches relais
DE4122704C2 (de) * 1991-07-09 1993-12-16 Siemens Ag Elektromagnetisches Relais
DE9303437U1 (de) * 1993-03-09 1993-08-26 Kosowski, Dimiter, Dr.-Ing., 58509 Lüdenscheid Elektromagnetisches Kleinrelais

Also Published As

Publication number Publication date
DE59506151D1 (de) 1999-07-15
AT410724B (de) 2003-07-25
US5627503A (en) 1997-05-06
EP0707331A1 (fr) 1996-04-17
ATA191194A (de) 2002-11-15
ES2135033T3 (es) 1999-10-16

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