EP0630517A1 - Sicherheitsrelais mit zwangsgeführtem kontaktsatz und monostabilem antrieb. - Google Patents
Sicherheitsrelais mit zwangsgeführtem kontaktsatz und monostabilem antrieb.Info
- Publication number
- EP0630517A1 EP0630517A1 EP94905055A EP94905055A EP0630517A1 EP 0630517 A1 EP0630517 A1 EP 0630517A1 EP 94905055 A EP94905055 A EP 94905055A EP 94905055 A EP94905055 A EP 94905055A EP 0630517 A1 EP0630517 A1 EP 0630517A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- armature
- contact set
- relay
- drive
- force
- 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
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
- H01H50/163—Details concerning air-gaps, e.g. anti-remanence, damping, anti-corrosion
Definitions
- the present invention relates to a safety relay according to the preamble of patent claim 1.
- a forced operation of this contact set means that the actuator grasps all switching springs and either brings them into one or the other position.
- Such a safety relay has proven itself on a large scale, but it is desirable that the drive is assigned a smaller power consumption and that the known relay is miniaturized overall.
- the invention is therefore based on the object of developing a safety relay of the type mentioned at the outset in such a way that the entire relay is miniaturized with lower power consumption.
- the invention is characterized by the technical teaching of claim 1.
- An essential feature of the invention is, as / 3 now the known per se Antechnischs ⁇ yste with a hinged armature of invention ACCORDING / 3 is replaced by a Antriebs ⁇ ystem with an asymmetrically acting H-anchor, and da / 3 of the H-armature with its longitudinal axis approximately parallel to the Longitudinal axis of the drive Coil is arranged and since the axis of rotation of this H-armature is arranged perpendicular to the longitudinal axis of the drive coil, and since the H-armature is also designed to be magnetically asymmetrical.
- An H-armature allows a large stroke, which - if the H-armature is magnetically symmetrical - acts symmetrically.
- a monostable behavior of the relay can be achieved with a magnetically asymmetrical H-armature.
- H-anchor has the advantage that / 3 a force-stroke curve is achieved, the final forces of which are independent of the stroke.
- a non-polarized relay with a hinged armature does not have this characteristic, because with a hinged armature the initial force is reduced as the stroke increases, i.e. the initial force depends on the stroke, whereas this is not the case with an H anchor.
- the initial force is the force required to bring the contacts of the contact set out of their rest position.
- the disadvantage is that the contact distances between the individual springs also become relatively small, which means that the minimum distances between the contact springs are less than the prescribed.
- Symmetrical H-anchors offer the possibility to achieve large stroke lengths, but at the same time they cause the drive to behave in a bistable manner.
- the magnetic armature of the H-armature according to the invention is therefore shifted towards mechanical symmetry.
- the final forces of the drive become asymmetrical, which results in monostable behavior.
- the definition of a monostable behavior is that after the drive excitation has been omitted, the contact set automatically moves from the working position to its rest position.
- the essence of the invention is therefore to da / 3, it still achieved the same contact distances in a smaller volume of a safety relay of the type mentioned, such as are present in a substantially RESIZE / 3eren safety relay.
- the necessary increase in stroke is made possible by using an H-anchor.
- Figure 1 schematically shows a section through a relay according to the invention
- Figure 2 the top view of the base plate of the relay
- Figure 3 schematized a top view of the H-anchor
- Figure 4 the driving force-stroke diagram for different H-anchor designs.
- the relay has a hood 1 which overlaps a contact set carrier 2 which, as a plastic part made of one piece of material, accommodates a number of components of the relay.
- the complete drive of the relay is engaged as a latching part in the contact set carrier 2, the drive coil 3 with the yoke legs 4, 5 and the H armature 6 as assembled part can be snapped into the contact set carrier.
- the yoke legs 4, 5 engage with lateral projections in associated recesses 13 on the contact set carrier 2 and are locked there.
- the H-armature has in its axis of rotation 11 a bearing journal (not shown in more detail) which likewise engages in an associated recess in the contact set carrier.
- part of the contact set carrier 2 is an approximately U-shaped freestanding bearing piece 10, which defines a central recess through which the bearing pin of the H-armature passes and is rotatably mounted there.
- the two yoke legs 4, 5 are bent approximately in a U-shape and abut one another in the area of the inner coil tube 30, the two end sides of each yoke leg 4, 5 protruding on opposite sides of the drive coil 3.
- the yoke legs 4, 5 engage in the intermediate space of the approximately H-shaped H armature, the H armature essentially consisting of two armature plates 7, 8 arranged parallel to one another, between which a permanent magnet 9 is arranged.
- the permanent magnet 9 is injection molded together with the armature plates 7, 8, the armature plates being made of a ferromagnetic material.
- recesses 40, 41 are arranged in the parts of the anchor plates 7, 8 diagonally opposite one another with respect to the axis of rotation, which are arranged next to the yoke legs 4, 5 which are filled with a dia- or paramagnetic material 43.
- This material can e.g. B. a plastic material or the like. Due to this asymmetry of diagonally opposite anchor plates 7, 8, the H-anchor assumes a monostable position, because it pivots in the direction of arrow 31 in the counterclockwise direction about its axis of rotation 11 and lies with the parts of the anchor plates 7 opposite the recesses 40, 41. 8 on the associated yoke legs 4.5.
- the resulting curve 36 then intersects the abscissa at position 37, the distance between the positions. 37 and item 36 corresponds to half the difference 44.
- this curve 36 intersects the straight line 34.
- the stroke of the H-armature (ie the swivel angle) is now mechanically limited.
- This resetting force 38 causes that when the H-armature 6 is moved in the direction of the Direction of arrow 31 in the opposite pivoting position brings about that this residual magnetic force 39 acts and must be overcome by the contact set in order to reach the rest position.
- the force-stroke curve of curve 36 is superimposed on the electromagnetic effect of coil 3.
- the curve 46 in FIG. 4 shows the resultant force-stroke curve which acts on the contact set.
- a final force is also achieved at item 47, which acts on the contact set.
- the force-stroke curve of the contact set must run in the area between curve 37 and curve 46 in order to achieve a monostable behavior of the relay. If the force-stroke curve of the contact set is outside, i.e. within the triangle delimited by pos. 37, 38, 48, the behavior of the relay becomes bistable.
- a plurality of contacts are arranged in individual chambers that are chambered from one another, the individual chambers being chambered by chamber walls 14 (in the direction of the drive) and by further chamber walls 21, 22, 23.
- the external limitation is made by the Front wall 24, on the outer side of which a restoring spring 17 rests, the spring force of which can be changed with an adjusting screw 18 and which rests with its free, pivotable end on the outer side of the actuator 20.
- Part of the contact set carrier 2 is a plastic body 15, which covers the yoke legs in the direction of the base plate 25.
- the contacts 16 are guided in the form of connecting pins 19 through the base plate 25, the base plate 25 being connected in one piece to the contact set carrier 2. It is important here that a large creepage distance is achieved between the individual adjacent connecting pins 19 according to FIG. 2. It is known per se to store the connecting pins in slots 26, 27, these slots being formed going inwards from the outside of the base plate. This enables simple mounting of the connecting pins 19 in these slots 26, 27.
- Coil connections 29 are also arranged on the front side of the contact set carrier 2.
- the technical teaching according to the invention thus ensures a safety relay with a force-guided contact set, in which it is now possible for the first time to still guarantee high contact spacing with relatively small overall dimensions of the relay, because a large stroke is achieved with the use of the a-metrically acting H-armature of the actuator 20 is achieved and thereby large contact distances are made possible.
- the asymmetrical effect of the H-armature has the advantage that the contacts of the contact set are held in a defined position in the rest position, without any repercussions of the armature on the contact set.
- Another advantage of the invention is that by using an asymmetrically acting H-armature 6 there is no undesired entrainment of welded contacts, even if the current through the coil 3 of the drive system is increased significantly.
- the H-armature 6 has an overhead actuator plate 49, which is connected to the upper anchor plate 7 and against which the actuator 20 rests.
- Hood 26 slot contact set carrier 27 slot drive coil 28 closed slot cover yoke leg 29 coil connection yoke leg 30 coil inner tube H-armature 31 arrow direction armature plate 32 curve armature plate 33 position permanent magnet 34 straight bearing piece 35 straight axis of rotation 36 curve
- Safety relay with positively driven contact set and polarized monostable drive the individual contact spring sets being locked against each other and actuated by a common actuator, characterized in that for the drive a mechanically symmetrical H-armature (6) connected to a permanent magnet (9) magnetically asymmetric is provided, and that the H-armature (6) is arranged with its longitudinal axis approximately parallel to the longitudinal axis of the drive coil (3), the axis of rotation (11) of the H-armature (6) being perpendicular to the longitudinal axis Drive coil (3) is standing and the actuator (20) in the contact set is moved by an actuator plate (49) arranged in the extension of the H-armature (6).
- Safety relay according to claim 1 characterized in that the H-armature (6) has two armature plates (7, 8) arranged parallel to one another, between which the yoke legs (4, 5) engage, wherein asymmetrically in diagonally opposite parts of the armature plates ( 7,8) recesses (40, 41) are provided which have a dia- or paramagnetic material (43).
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Fluid-Damping Devices (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Relay Circuits (AREA)
- Push-Button Switches (AREA)
- Cookers (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Knitting Machines (AREA)
- Control Of Combustion (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Description
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4300594 | 1993-01-13 | ||
DE4300594A DE4300594A1 (de) | 1993-01-13 | 1993-01-13 | Sicherheitsrelais mit zwangsgeführtem Kontaktsatz und monostabilem Antrieb |
PCT/EP1994/000089 WO1994016456A1 (de) | 1993-01-13 | 1994-01-13 | Sicherheitsrelais mit zwangsgeführtem kontaktsatz und monostabilem antrieb |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0630517A1 true EP0630517A1 (de) | 1994-12-28 |
EP0630517B1 EP0630517B1 (de) | 1997-07-16 |
Family
ID=6478035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94905055A Expired - Lifetime EP0630517B1 (de) | 1993-01-13 | 1994-01-13 | Sicherheitsrelais mit zwangsgeführtem kontaktsatz und monostabilem antrieb |
Country Status (8)
Country | Link |
---|---|
US (1) | US5568108A (de) |
EP (1) | EP0630517B1 (de) |
JP (1) | JP3388473B2 (de) |
AT (1) | ATE155609T1 (de) |
CA (1) | CA2131889A1 (de) |
DE (2) | DE4300594A1 (de) |
DK (1) | DK0630517T3 (de) |
WO (1) | WO1994016456A1 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19540739C2 (de) * | 1995-07-11 | 1997-10-16 | Dold & Soehne Kg E | Relais mit zwangsgeführten Kontakten |
DE19600314C2 (de) * | 1996-01-06 | 1999-02-04 | Hengstler Gmbh | Relais mit zwangsgeführten Kontaktsätzen |
EP0938119A1 (de) * | 1998-02-18 | 1999-08-25 | ELESTA relays GmbH | Relais |
DE19847831C2 (de) * | 1998-10-16 | 2002-11-21 | Tyco Electronics Austria Gmbh | Sicherheitsrelais |
EP1120806B1 (de) | 2000-01-28 | 2013-11-13 | ELESTA relays GmbH | Sicherheitsrelais, Verwendung eines solchen und Schaltvorrichtung mit einem solchen |
DE50114781D1 (de) | 2000-04-03 | 2009-05-07 | Elesta Relays Gmbh | Relais |
EP1284492A3 (de) * | 2001-08-16 | 2004-11-24 | Tyco Electronics AMP GmbH | Elektromagnetisches Relais und Verfahren für die genaue Positionierung von dessen Magnetspule |
DE10158023B4 (de) * | 2001-11-27 | 2004-03-25 | Matsushita Electric Works (Europe) Ag | Relais-Kontaktanordnung |
JP4424260B2 (ja) * | 2005-06-07 | 2010-03-03 | オムロン株式会社 | 電磁リレー |
CH698492B1 (de) * | 2006-03-20 | 2009-08-31 | Elesta Relays Gmbh | Relais. |
US7710224B2 (en) * | 2007-08-01 | 2010-05-04 | Clodi, L.L.C. | Electromagnetic relay assembly |
US7659800B2 (en) * | 2007-08-01 | 2010-02-09 | Philipp Gruner | Electromagnetic relay assembly |
US8203403B2 (en) * | 2009-08-27 | 2012-06-19 | Tyco Electronics Corporation | Electrical switching devices having moveable terminals |
US8564386B2 (en) | 2011-01-18 | 2013-10-22 | Tyco Electronics Corporation | Electrical switching device |
US8222981B1 (en) * | 2011-01-18 | 2012-07-17 | Tyco Electronics Corporation | Electrical switching device |
US8514040B2 (en) | 2011-02-11 | 2013-08-20 | Clodi, L.L.C. | Bi-stable electromagnetic relay with x-drive motor |
KR101435349B1 (ko) * | 2011-03-14 | 2014-08-27 | 오므론 가부시키가이샤 | 전자 계전기 |
JP5085754B2 (ja) * | 2011-03-14 | 2012-11-28 | オムロン株式会社 | 電磁継電器 |
JP4883232B1 (ja) * | 2011-03-14 | 2012-02-22 | オムロン株式会社 | 電磁継電器 |
JP6025414B2 (ja) * | 2011-09-30 | 2016-11-16 | 富士通コンポーネント株式会社 | 電磁継電器 |
DE102012006450A1 (de) | 2012-03-30 | 2013-10-02 | Phoenix Contact Gmbh & Co. Kg | Relais mit zwangsgeführten Kontakten |
CN202650990U (zh) * | 2012-07-02 | 2013-01-02 | 宁波福特继电器有限公司 | 一种小型大功率磁保持继电器 |
DE102012017157A1 (de) * | 2012-08-30 | 2014-03-06 | Hengstler Gmbh | Relais mit modifizierter Kraft-Weg-Kennlinie |
JP6043173B2 (ja) * | 2012-12-07 | 2016-12-14 | 富士通コンポーネント株式会社 | 電磁継電器 |
DE102016211931B4 (de) * | 2016-06-30 | 2023-03-16 | Te Connectivity Germany Gmbh | Leistungsschütz mit hoher mechanischer Schockfestigkeit |
DE102016219529A1 (de) * | 2016-10-07 | 2018-04-12 | Te Connectivity Germany Gmbh | Elektrisches Schaltelement mit unmittelbarer Ankerkopplung |
JP6836241B2 (ja) * | 2016-12-27 | 2021-02-24 | 富士通コンポーネント株式会社 | 電磁継電器 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2454967C3 (de) * | 1974-05-15 | 1981-12-24 | Hans 8024 Deisenhofen Sauer | Gepoltes elektromagnetisches Relais |
DE7902034U1 (de) * | 1979-01-25 | 1980-10-16 | Sauer, Hans, 8024 Deisenhofen | Kontaktfederanordnung |
DE3149816C2 (de) * | 1981-12-16 | 1986-09-04 | Diehl GmbH & Co, 8500 Nürnberg | Polarisiertes Relais |
US4563663A (en) * | 1982-07-16 | 1986-01-07 | Fujisoku Electric Co. Ltd. | Core member for an electromagnetic relay |
DE3324246C2 (de) * | 1983-07-06 | 1985-11-28 | Hengstler GmbH, 7209 Wehingen | Polarisiertes, elektromagnetisches Relais |
EP0157029A1 (de) * | 1984-04-04 | 1985-10-09 | Omron Tateisi Electronics Co. | Elektromagnetischer Antrieb und polarisiertes Relais |
EP0168058B1 (de) * | 1984-07-13 | 1992-01-02 | EURO-Matsushita Electric Works Aktiengesellschaft | Sicherheitsrelais |
US4713638A (en) * | 1985-10-25 | 1987-12-15 | Nec Corporation | Polarized electromagnetic relay |
DE3743122C1 (de) * | 1987-12-18 | 1989-02-16 | Sds Relais Ag | Elektromagnetisches Schaltgeraet |
JPH0424242U (de) * | 1990-06-20 | 1992-02-27 | ||
DE9013223U1 (de) * | 1990-09-18 | 1992-02-06 | Siemens AG, 80333 München | Elektromagnetisches Leistungsrelais |
-
1993
- 1993-01-13 DE DE4300594A patent/DE4300594A1/de not_active Ceased
-
1994
- 1994-01-13 EP EP94905055A patent/EP0630517B1/de not_active Expired - Lifetime
- 1994-01-13 DK DK94905055.3T patent/DK0630517T3/da active
- 1994-01-13 JP JP51569494A patent/JP3388473B2/ja not_active Expired - Lifetime
- 1994-01-13 WO PCT/EP1994/000089 patent/WO1994016456A1/de active IP Right Grant
- 1994-01-13 AT AT94905055T patent/ATE155609T1/de not_active IP Right Cessation
- 1994-01-13 CA CA002131889A patent/CA2131889A1/en not_active Abandoned
- 1994-01-13 DE DE59403362T patent/DE59403362D1/de not_active Expired - Lifetime
- 1994-09-12 US US08/304,965 patent/US5568108A/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9416456A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE4300594A1 (de) | 1994-07-14 |
JP3388473B2 (ja) | 2003-03-24 |
DE59403362D1 (de) | 1997-08-21 |
WO1994016456A1 (de) | 1994-07-21 |
DK0630517T3 (da) | 1998-02-09 |
EP0630517B1 (de) | 1997-07-16 |
JPH07504780A (ja) | 1995-05-25 |
ATE155609T1 (de) | 1997-08-15 |
CA2131889A1 (en) | 1994-07-21 |
US5568108A (en) | 1996-10-22 |
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