EP1455372A1 - Relais mit querschnittserweitertem Kern - Google Patents
Relais mit querschnittserweitertem Kern Download PDFInfo
- Publication number
- EP1455372A1 EP1455372A1 EP03005059A EP03005059A EP1455372A1 EP 1455372 A1 EP1455372 A1 EP 1455372A1 EP 03005059 A EP03005059 A EP 03005059A EP 03005059 A EP03005059 A EP 03005059A EP 1455372 A1 EP1455372 A1 EP 1455372A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- core
- relay
- yoke
- cross
- coil
- 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
Images
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
- H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
-
- 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 invention relates to a relay with a coil former, the coil former penetrating core and a yoke.
- the coil body, the core and the yoke form a magnet system, that causes a switching process when the coil is excited.
- a magnetic switching force is generated, which Anchor moves.
- the movement of the armature is transmitted to a contact spring that then contacts close or open.
- a disadvantage of the relays known from the prior art are only partially low switching forces or large designs with high switching forces.
- the invention is therefore based on the object of a relay of the type mentioned to be improved in such a way that large switching forces are achieved with a small construction volume.
- the central region of the core which is surrounded by the coil former has a reduced cross-section, which offers space for additional coil windings, so that the coil can generate a higher magnetic force.
- the cross section between the yoke and the core is expanded, so that a high magnetic flux can be conducted from the core to the yoke.
- the surface area of the pole face may be larger than the cross-sectional area in the middle of the core. Due to the enlarged pole area, a high one appears Magnetic flux on the armature, resulting in high switching forces and fast switching operations guaranteed.
- the core can also be tapered in a further development in the area of the coil former so that large cross-sectional areas for a Conduction of the magnetic flux with low losses are available and at the same time in the area of the taper space for additional windings of those held by the coil former Coil is provided.
- the assembly of the core in the bobbin can be done by a number of independent Further training can be simplified.
- the core can be formed from at least two core elements.
- the Core elements can be designed to be inserted one after the other into the trace body, so that despite the cross-sectional expansion, easy assembly is possible, even when the cross-sectional expansion of the core engages behind the coil former.
- At least two core elements can expand the cross-section towards the yoke exhibit; Furthermore, at least two core elements can expand the cross-section have to the pole face.
- a core element can essentially be inserted into the coil former be designed.
- the core element can already be in the coil former inserted further core element can be inserted.
- the assembly of the core element can also be facilitated in that at least a core element is essentially designed without undercuts or in Is essentially cuboid. This configuration facilitates in particular inserting the core element into the coil former.
- the core can also consist of a plurality of transverse to the longitudinal extension of the bobbin core elements arranged side by side exist due to the power losses be minimized when switching the excitation current of the coil on and / or off.
- the Core elements can be pre-assembled in this embodiment.
- the core or at least one core element can be configured in one piece with the yoke be the losses in the transition of the magnetic flux from the core to to keep the yoke as low as possible and to reduce the assembly effort.
- this core element can be inserted into the coil body be trained.
- the module unit consisting of the coil former and Completed yoke by simply pushing the yoke into the coil body. Only the core element provided with the cross-sectional expansion must be inserted before of the core element on the yoke can be inserted into the coil former.
- At least one core element can at least touch the yoke so that the Air gaps penetrated by the magnetic field are as small as possible or nonexistent.
- a relay 1 has a coil wound on a coil former 2 (not in FIG. 1) shown), a yoke 3 and a core passing through the coil former 2 (in FIG. 1 not shown).
- the yoke 3 ends in a pole face 4, which is connected to a working air gap 5 borders. In other configurations, the pole face 4 can also be formed on the core his.
- the working air gap 5 is arranged between the pole face 4 and a movable armature 6.
- the armature 6 is via a connecting element guided along the coil body 2 7 connected to a contact spring 8 in a motion-transmitting manner, so that a Movement of the armature 6 inevitably leads to a movement of the contact spring 8.
- the contact spring 8 is in turn between two in the direction of movement Contact spring spaced contacts 9, 10 arranged, preferably each can only touch one of the two contacts 9, 10.
- the contact spring is usually 8 biased so that they are against one of the contacts, for example the contact 10 is present.
- the contacts 9, 10 and the contact spring 8 are each with outside of the relay guided contact pins 11, 12, 13 provided.
- the contact pins 11, 12, 13 can each to be present in pairs.
- the contacts 11, 13 and 11, 12 are dependent on the position of the contact spring 8 closed.
- the contact spring is in the rest position shown in FIG. 1 8 the contacts 11 and 12 via the contact spring 8 and the contact 11 with each other connected.
- contact pills 14, 15, 16 on the contacts 9, 10 and / or the contact spring 8 may be provided.
- Fig. 2 is an embodiment of the coil body 2 with the yoke 3 and the Coil penetrating core 17 shown, the direction of view obliquely to the pole face 4 is directed.
- the coil extends from the coil body 2 in the circumferential direction extending recess 18 is held, omitted in Fig. 2.
- the core 17 has two core elements 19, 20 which are transverse lie perpendicular to each other in the direction of the coil.
- the core 17 protrudes from the coil body 2 in the longitudinal direction of the coil body 2.
- the one core element 20 is formed in one piece with the yoke 3 while the other core element 19 abuts the yoke 3 and the core 20.
- One of the core elements 19, 20, in the embodiment of FIG. 3 in one piece with the yoke formed core element 20 is substantially cuboid and has no protrusions and / or undercuts.
- the other, separate core element 21 is in the longitudinal direction L of the coil on the respective End faces provided with cross-sectional extensions 22, 23.
- the cross-sectional extensions 22, 23 engage behind the bobbin 2.
- the cross section is in the central region of the core 17, which is surrounded by the coil former 2 of the core with respect to the two end regions located in the longitudinal direction of the coil former reduced. This creates a recess 25, which serves as an additional winding space can be used for the coil so that the coil has a higher number of windings and / or density.
- the core 17 does not border on the working air gap 5 of the relay 1, the can also on the Cross-sectional expansion 23 are dispensed with, although this causes the flow of the magnetic field is affected by the core in the anchor; of course, the one from yoke 3 formed pole face 4 have a cross-sectional expansion.
- the parting plane 26 extends between the two Core elements 19, 20 in the longitudinal direction L of the coil parallel to the yoke 3.
- the superimposed surfaces are as flat and as possible smoothly formed. This creates air gaps in the transition areas and losses avoided in the magnetic flux.
- FIGS. 4 to 6 show further embodiments of the core element 20.
- the cross section of the two is in the longitudinal direction Ends 22, 23 in a cross-sectional plane perpendicular to the longitudinal direction L of the Coil expanded.
- the cross-sectional plane Q is shown schematically in FIG. 4 once in the central region as the cross-sectional plane Q 1 and once in the end region as the cross-sectional plane Q 2 .
- the area of the cross section Q 2 is larger than the area of the cross section Q 1 .
- the core element 20 of FIG. 4 is rationally made from one piece and has bent over Ends 22, 23 on. By extending over the entire width of the core element 20 extending recess 28 in the vicinity of the bending radius 29, the bending process is facilitated.
- FIG. 5 shows a core element 20, which consists of several individual elements 20a, 20b, ..., which are arranged side by side, is constructed.
- the number of side by side arranged and preferably touching core elements 20a, 20b, ... is any, in Fig. 5 only four elements lying next to each other are shown as an example.
- the cross-sectional areas or contours of the individual core elements 20a, 20b, ... in a plane lying in the longitudinal direction L are the same.
- the core elements 20a, 20b, ... connected to one another in one piece, for example glued, soldered or welded.
- the core element 20 can also be produced by injection molding.
- the bobbin 2 has an extending in the longitudinal direction L of the coil Passage 30, which is open on both sides.
- the clear cross section is in a plane perpendicular to Longitudinal direction L of the passage 30 is reduced to accommodate additional coil windings to accomplish.
- Passage 30 To the two ends of the bobbin 2 extends Passage 30 in an area 32.
- the shape of the area 32 is based on the shape of the respective cross-sectional extension 22, 23 adapted so that the core element 20 with the cross-sectional extensions 22, 23 can be accommodated in the passage 30.
- the cross section of the passage 30 is dimensioned at its smallest point so that the cross-sectional expansion 22 of the core element 20 still through the passage 30 can be inserted. In the inserted state, the cross-sectional extensions reach behind 22, 23 the coil former 2, so that the core element 20 essentially is held immovably by the bobbin.
- the cross-sectional expansion of the passage 30 at the two open Ends be configured differently, for example at one end flush termination of the core with the bobbin 2 and at the other end to allow the core 17 to protrude.
- the passage 30 is designed such that when the core element 20 is inserted with cross-sectional enlargements 22 and 23 a extending through the bobbin 2 Free space 33 of essentially constant clear width remains.
- the free space 33 can the other core element 19, 20 after insertion of the other Core element 19, 20 are inserted. Due to the cross-sectional extensions 22, 23 held, the one core element 20 can no longer be removed from the passage 30 be as long as the other core element 19 is used.
- the core can be held firmly in the coil former.
- the Cross section of the core element 19 is slightly larger than the cross section of the free space 33.
- the core element 20 is inserted into the relay, which with at least one Cross-sectional extension 22, 23 is provided. As soon as the cross-sectional extensions 22, 23 is included in the extension 32 of the passage assigned to it, this will be other core element 19, 20 inserted into the free space 33.
- the yoke 3 or the core element 19 placed in the passage 30. Then it becomes essentially cuboid Core element 19 inserted.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Coils Or Transformers For Communication (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Description
- Fig. 1
- eine Ausführungsform eines Relais in einer schematischen Perspektivansicht;
- Fig. 2
- eine Ausführungsform eines Spulenkörpers mit Kern und Joch in einer schematischen Perspektivansicht;
- Fig. 3
- den Kern und das Joch der Ausführungsform der Fig. 2 in einer schematischen Perspektivansicht;
- Fig. 4
- eine Ausführungsform eines Kernelements in einer schematischen Perspektivansicht;
- Fig. 5
- eine weitere Ausführungsform eines Kernelements in einer schematischen Perspektivansicht;
- Fig. 6
- eine weitere Ausführungsform eines Kernelements in einer schematischen Perspektivansicht;
- Fig. 7
- eine Ausführungsform eines Spulenkörpers in einer schematischen Perspektivansicht;
- Fig. 8
- den Spulenkörper der Fig. 7 in einer Ansicht von Pfeil VIII; und
- Fig. 9
- eine Ausführungsform eines Spulenkörpers mit eingesetztem Kernelement in einer schematischen Perspektivansicht.
Claims (13)
- Relais (1) mit einem Spulenkörper (2), einen den Spulenkörper (2) durchsetzenden Kern (17) und einem Joch (3), dadurch gekennzeichnet, dass die Querschnittsfläche (Q2) des Kerns (17) im Bereich des Übergangs zum Joch (3) größer ist als in dem vom Spulenkörper (2) umgebenen Mittenbereich (31) des Kerns (17).
- Relais (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Querschnittsfläche (Q2) an der dem Joch (3) abgewandte Stirnseite des Kerns (17) größer ist als die Querschnittsfläche (Q1) im Mittenbereich (31) des Kerns (17).
- Relais (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass im Bereich des Spulenkörpers (2) der Kern (17) verjüngt ausgebildet ist.
- Relais (1) nach einem der oben genannten Ansprüche, dadurch gekennzeichnet, dass der Kern (17) aus wenigstens zwei Kernelementen (19, 20; 20a, 20b, ...) gebildet ist.
- Relais (1) nach einem der oben genannten Ansprüche, dadurch gekennzeichnet, dass ein Kernelement (20) in den Spulenkörper (2) im Wesentlichen einschiebbar ausgestaltet ist.
- Relais (1) nach einem der oben genannten Ansprüche, dadurch gekennzeichnet, dass ein Kernelement (20) im Wesentlichen hinterschneidungsfrei ausgestaltet ist.
- Relais (1) nach einem der oben genannten Ansprüche, dadurch gekennzeichnet, dass das Joch (3) einstückig mit einem der Kernelemente (19, 20) ausgebildet ist.
- Relais (1) nach einem der oben genannten Ansprüche, dadurch gekennzeichnet, dass das am Joch (3) einstückig vorgesehene Kernelement (19, 20) im Wesentlichen quaderförmig ausgestaltet ist.
- Relais (1) nach einem der oben genannten Ansprüche, dadurch gekennzeichnet, dass das am Joch (3) einstückig vorgesehene Kernelement (19, 20) in den im Spulenkörper eingesetzten weiteren Kernelement (19, 20) einschiebbar ausgebildet ist.
- Relais (1) nach einem der oben genannten Ansprüche, dadurch gekennzeichnet, dass wenigstens zwei Kernelemente (19, 20; 20a, 20b, ...) vorgesehen sind, deren Querschnitt (Q2) zum Joch (3) hin erweitert ausgebildet ist.
- Relais (1) nach einem der oben genannten Ansprüche, dadurch gekennzeichnet, dass wenigstens zwei Kernelemente (19, 20; 20a, 20b, ...) vorgesehen sind, deren Querschnitt (Q2) zur Polfläche (4) hin erweitert ausgebildet ist.
- Relais (1) nach einem der oben genannten Ansprüche, dadurch gekennzeichnet, dass das wenigstens eine Kernelement (19, 20) das Joch (3) berührt.
- Relais (1) nach einem der oben genannten Ansprüche, dadurch gekennzeichnet, dass die wenigstens eine Querschnittserweiterung (22, 23) den Kern (17) hintergreift.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES03005059T ES2266657T3 (es) | 2003-03-06 | 2003-03-06 | Rele con nucleo de seccion transversal agrandada. |
AT03005059T ATE328359T1 (de) | 2003-03-06 | 2003-03-06 | Relais mit querschnittserweitertem kern |
DE50303564T DE50303564D1 (de) | 2003-03-06 | 2003-03-06 | Relais mit querschnittserweitertem Kern |
EP03005059A EP1455372B1 (de) | 2003-03-06 | 2003-03-06 | Relais mit querschnittserweitertem Kern |
US10/786,407 US7026896B2 (en) | 2003-03-06 | 2004-02-25 | Relay with a core having an enlarged cross-section |
JP2004052797A JP4462536B2 (ja) | 2003-03-06 | 2004-02-27 | リレー |
CNB2004100077175A CN100367434C (zh) | 2003-03-06 | 2004-03-05 | 带有截面放大的芯的继电器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03005059A EP1455372B1 (de) | 2003-03-06 | 2003-03-06 | Relais mit querschnittserweitertem Kern |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1455372A1 true EP1455372A1 (de) | 2004-09-08 |
EP1455372B1 EP1455372B1 (de) | 2006-05-31 |
Family
ID=32798789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03005059A Expired - Lifetime EP1455372B1 (de) | 2003-03-06 | 2003-03-06 | Relais mit querschnittserweitertem Kern |
Country Status (7)
Country | Link |
---|---|
US (1) | US7026896B2 (de) |
EP (1) | EP1455372B1 (de) |
JP (1) | JP4462536B2 (de) |
CN (1) | CN100367434C (de) |
AT (1) | ATE328359T1 (de) |
DE (1) | DE50303564D1 (de) |
ES (1) | ES2266657T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1840923A3 (de) * | 2006-03-30 | 2007-12-26 | TYCO Electronics Austria GmbH | Magnetsystem mit H-förmigem Anker für ein Relais |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007048710B4 (de) * | 2007-10-11 | 2014-02-13 | Tyco Electronics Austria Gmbh | Elektrischer Querverbinder |
JP4803206B2 (ja) * | 2008-04-24 | 2011-10-26 | パナソニック電工株式会社 | リレー用電磁石 |
DE102018109856B3 (de) * | 2018-04-24 | 2019-08-01 | Phoenix Contact Gmbh & Co. Kg | Relais |
EP3570302B8 (de) * | 2018-05-18 | 2021-08-04 | Tyco Electronics Austria GmbH | Jochanordnung für eine magnetische schaltvorrichtung wie z. b. ein relais, magnetische anordnung und magnetische schaltvorrichtung |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2539547A (en) * | 1945-06-13 | 1951-01-30 | Clare & Co C P | Relay |
US3497845A (en) * | 1966-10-13 | 1970-02-24 | Corp Soc Civile De Prototype T | Fitting a solenoid core to a pole piece structure |
US5627503A (en) * | 1994-10-10 | 1997-05-06 | Eh-Schrack Components Aktiengesellschaft | Relay |
WO2000024019A1 (de) * | 1998-10-16 | 2000-04-27 | Eh-Schrack Components Ag | Sicherheitsrelais |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4720694A (en) | 1985-05-22 | 1988-01-19 | Siemens Aktiengesellschaft | Electromagnetic relay |
EP0363176B1 (de) | 1988-10-07 | 1996-02-14 | International Business Machines Corporation | Prozessoren für wortorganisierte Daten |
CH677162A5 (de) * | 1989-10-30 | 1991-04-15 | Carlo Cavazzi Electromatic Ag | |
AT402579B (de) | 1991-10-07 | 1997-06-25 | Schrack Components Ag | Relais |
AT410856B (de) | 1994-07-08 | 2003-08-25 | Tyco Electronics Austria Gmbh | Relais |
JP3333898B2 (ja) * | 1996-07-03 | 2002-10-15 | 富士電機株式会社 | 電磁接触器 |
CN1269167C (zh) * | 2002-08-21 | 2006-08-09 | 厦门宏发电声有限公司 | 上下变截面腔体小型化变截面大功率电磁继电器 |
-
2003
- 2003-03-06 ES ES03005059T patent/ES2266657T3/es not_active Expired - Lifetime
- 2003-03-06 EP EP03005059A patent/EP1455372B1/de not_active Expired - Lifetime
- 2003-03-06 AT AT03005059T patent/ATE328359T1/de active
- 2003-03-06 DE DE50303564T patent/DE50303564D1/de not_active Expired - Lifetime
-
2004
- 2004-02-25 US US10/786,407 patent/US7026896B2/en not_active Expired - Lifetime
- 2004-02-27 JP JP2004052797A patent/JP4462536B2/ja not_active Expired - Lifetime
- 2004-03-05 CN CNB2004100077175A patent/CN100367434C/zh not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2539547A (en) * | 1945-06-13 | 1951-01-30 | Clare & Co C P | Relay |
US3497845A (en) * | 1966-10-13 | 1970-02-24 | Corp Soc Civile De Prototype T | Fitting a solenoid core to a pole piece structure |
US5627503A (en) * | 1994-10-10 | 1997-05-06 | Eh-Schrack Components Aktiengesellschaft | Relay |
WO2000024019A1 (de) * | 1998-10-16 | 2000-04-27 | Eh-Schrack Components Ag | Sicherheitsrelais |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1840923A3 (de) * | 2006-03-30 | 2007-12-26 | TYCO Electronics Austria GmbH | Magnetsystem mit H-förmigem Anker für ein Relais |
Also Published As
Publication number | Publication date |
---|---|
JP4462536B2 (ja) | 2010-05-12 |
CN1551272A (zh) | 2004-12-01 |
CN100367434C (zh) | 2008-02-06 |
US20040227600A1 (en) | 2004-11-18 |
US7026896B2 (en) | 2006-04-11 |
ES2266657T3 (es) | 2007-03-01 |
DE50303564D1 (de) | 2006-07-06 |
EP1455372B1 (de) | 2006-05-31 |
ATE328359T1 (de) | 2006-06-15 |
JP2004342589A (ja) | 2004-12-02 |
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