EP0707331B1 - Relais - Google Patents
Relais Download PDFInfo
- 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
Links
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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
- H01H50/26—Parts 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)
Description
Dadurch kann die Ankerfeder auch in ebener Form hergestellt und auf eine Vorverformung verzichtet werden, so daß der Produktionsprozeß wesentlich vereinfacht wird.
Dabei ist durch die Neigung der Fläche des Ankers, an der die Abstützstelle der Ankerfeder liegt, sichergestellt, daß die auf diese Fläche wirkende Kraft der Ankerfeder eine in Richtung zur Polfläche wirkende Kraftkomponente verursacht und so ein Verrutschen des Ankers verhindert. Gleichzeitig bewirkt die auf den Anker von der Ankerfeder ausgeübte Kraft ein den Anker in seine abgefallene Stellung rücktreibendes Drehmoment, das durch den zwangsläufig gegebenen Abstand zwischen der Lagerkante, die in der Ebene der Polfläche verläuft, und der Abstützstelle der Ankerfeder am oder im Anker bedingt ist.
Claims (11)
- Relais mit einem Magnetsystem, das mindestens eine Polfläche (8, 30) und einen mit der Polfläche zusammenwirkenden Anker (11; 110; 111) aufweist, mit einer im wesentlichen in der Ebene der Polfläche (8, 30) gebildeten, den Anker abstützenden Lagerkante (30, 16) und mit einer langgestreckten, zweiseitig in einer zur Polfläche (8, 30) parallelen Ebene gelagerten Ankerfeder (1; 101; 201), welche mit einem zwischen ihren Lagerstellen (33) liegenden Abschnitt an der von der Polfläche (8, 30) abgewandten Außenseite (32) des Ankers (11; 110; 111) angreift, um diesen gegen die Lagerkante (30, 16) zu drücken,
dadurch gekennzeichnet,
daß der Anker (11; 110; 111) im Bereich seiner von der Polfläche (30) abgewandten Außenseite (32) eine Abstützstelle (31; 31'; 31") aufweist, die im wesentlichen in der Ebene der Lagerstellen (33) der Ankerfeder (1; 101; 201) liegt und an der die Ankerfeder im Abstand zur Ebene der Polfläche (30) angreift und eine Kraft (F1) annähernd parallel zu dieser und in Richtung von der Polfläche (30) zu dem gelagerten Ende des Ankers (11; 110; 111) ausübt, die ein den Anker in seine Abfallstellung rücktreibendes Drehmoment erzeugt. - Relais nach Anspruch 1, dadurch gekennzeichnet, daß die Ankerfeder (1, 101) als Blattfeder ausgebildet ist.
- Relais nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Abstützstelle (31, 31', 31") der Ankerfeder(1, 101, 201) am oder im Anker(11, 110, 111) gegenüber den beiden Einspann- oder Lagerstellen (33) höhenmäßig versetzt ist.
- Relais nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß die Abstützstelle am oder im Anker (11, 110) an einer gegen die Polfläche (30) schräg geneigten Fläche (31, 31') liegt, die schräg in Richtung von der Polfläche (30) zur Außenseite (32) des Ankers (11, 110) verläuft.
- Relais nach einem der vorangehenden Ansprüchen, dadurch gekennzeichnet, daß die gegen die Polfläche (30) schräg geneigte Fläche (31) im Anker (11) durch eine kegelstumpfförmige Einprägung (12) gebildet ist.
- Relais nach Anspruch 5, dadurch gekennzeichnet, daß die Ankerfeder (1) im wesentlichen E-förmig ausgebildet ist, wobei der mittlere Steg eine Federzunge (2) bildet, an der die Ankerfeder (1) in der kegelstumpfförmigen Einprägung (12) des Ankers (11) abgestützt ist, und an den äußeren Stegen (3) Einrastnasen (4) angeformt sind, die in einen feststehenden Teil des Relais einrastbar sind.
- Relais nach Anspruch 6, dadurch gekennzeichnet, daß zum Einrasten der Einrastnasen (4) der äußeren Stege (3) an einem das Magnetsystem aufnehmenden Teil (9) Rastausnehmungen (17) vorgesehen sind.
- Relais nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die den Anker (11) abstützende Lagerkante durch zwei oder mehrere keilförmige Erhebungen (16) des Teiles (9) gebildet ist, auf deren Keilflächen der Anker (11) stirnseitig in seiner abgefallenen Stellung aufliegt.
- Relais nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der Anker (11) vorspringende Seitenkanten aufweist, die im abgefallenen Zustand des Ankers (11) an Vorsprüngen (14) des Spulenkörpers anliegen.
- Relais nach einem oder der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Ankerfeder durch eine Blattfeder (101) mit durchgehend rechteckförmigem Querschnitt gebildet und mittig auf einem Vorsprung (20) des Ankers (110) mit schräg gegen die Polfläche geneigter Fläche (31') abgestützt ist.
- Relais nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Ankerfeder durch eine zwischen zwei Einspannstellen gespannte Drahtfeder (111) mit durchgehend kreisförmigem Querschnitt gebildet und mittig auf einem Vorsprung (200) des Ankers (111) abgestützt ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT191194 | 1994-10-10 | ||
AT0191194A AT410724B (de) | 1994-10-10 | 1994-10-10 | Relais |
AT1911/94 | 1994-10-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0707331A1 EP0707331A1 (de) | 1996-04-17 |
EP0707331B1 true EP0707331B1 (de) | 1999-06-09 |
Family
ID=3523693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95890179A Expired - Lifetime EP0707331B1 (de) | 1994-10-10 | 1995-10-10 | Relais |
Country Status (5)
Country | Link |
---|---|
US (1) | US5627503A (de) |
EP (1) | EP0707331B1 (de) |
AT (1) | AT410724B (de) |
DE (1) | DE59506151D1 (de) |
ES (1) | ES2135033T3 (de) |
Families Citing this family (10)
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 |
ATE328359T1 (de) * | 2003-03-06 | 2006-06-15 | Tyco Electronics Austria Gmbh | Relais mit querschnittserweitertem kern |
DE50307420D1 (de) * | 2003-04-15 | 2007-07-19 | Siemens Ag | Magnetsystem für ein Klappankerrelais |
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)
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 | Elektromagnetisches Kleinrelais |
-
1994
- 1994-10-10 AT AT0191194A patent/AT410724B/de not_active IP Right Cessation
-
1995
- 1995-10-10 EP EP95890179A patent/EP0707331B1/de not_active Expired - Lifetime
- 1995-10-10 ES ES95890179T patent/ES2135033T3/es not_active Expired - Lifetime
- 1995-10-10 US US08/544,382 patent/US5627503A/en not_active Expired - Lifetime
- 1995-10-10 DE DE59506151T patent/DE59506151D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AT410724B (de) | 2003-07-25 |
DE59506151D1 (de) | 1999-07-15 |
ATA191194A (de) | 2002-11-15 |
US5627503A (en) | 1997-05-06 |
EP0707331A1 (de) | 1996-04-17 |
ES2135033T3 (es) | 1999-10-16 |
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