EP1011122B1 - Kontakteinheit für elektromagnetische Relais - Google Patents
Kontakteinheit für elektromagnetische Relais Download PDFInfo
- Publication number
- EP1011122B1 EP1011122B1 EP99123867A EP99123867A EP1011122B1 EP 1011122 B1 EP1011122 B1 EP 1011122B1 EP 99123867 A EP99123867 A EP 99123867A EP 99123867 A EP99123867 A EP 99123867A EP 1011122 B1 EP1011122 B1 EP 1011122B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- spring
- unit
- locations
- fixed
- 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
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/548—Contact arrangements for miniaturised relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/20—Bridging contacts
- H01H1/2075—T-shaped bridge; bridging contact has lateral arm for mounting resiliently or on a pivot
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/20—Bridging contacts
- H01H1/2083—Bridging contact surfaces directed at an oblique angle with respect to the movement of the bridge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/38—Auxiliary contacts on to which the arc is transferred from the main contacts
Definitions
- the contact spring by to provide a longitudinal slot with two resilient ends and each end equipped with a contact piece, with a corresponding mating contact piece working together on a common fixed contact.
- the document DE-U-90 15 406 shows a contact unit according to the preamble of claim 1.
- the invention has for its object to provide a contact unit provide the reliability of contacting safety relays, i. Relay with positively driven contacts, increased.
- the contact spring In the then designed contact unit are on the contact spring provided two contact points, which are transverse to the longitudinal extent of the contact spring are arranged and with the same fixed contact or with at this cooperate provided mating contact points.
- the fact, that the contact spring is not only flexible in at least one area, but also has increased torsional capability about its longitudinal axis, that both pairs of contacts close even if the Contact pieces bearing free end of the contact spring not parallel to the the mating contacts bearing fixed contact runs.
- the two contact pairs can each be separated from at least two, provided on contact spring and / or fixed contact contacts be formed. According to claim 5, it is alternatively possible, the two Contact points on the contact spring and / or on the fixed contact in the form to form a common contact piece.
- the contact unit designed so that the contact spring against the fixed contact is deliberately inclined so that a first closing and last opening Precontact and a last closing and first opening main contact arise.
- the contact unit shown in Figures 1 and 2 essentially consists of a contact spring 10 which is fastened with its one end to a support 11 , riveted approximately, a free end of the contact spring 10 opposite fixed contact 12 and acting on the contact spring 10 Actuator 13, which is coupled in the embodiment assumed here with a direction indicated in Figure 2 relay armature 14 .
- the free end of the contact spring 10 is at an angle to the fixed contact 12, so that the contact pieces 15, 16 of the contact spring 10 connecting straight line intersects the contact pieces 17, 18 of the fixed contact 12 connecting line at an acute angle ,
- This inclination of the free end of the contact spring 10 is due to the fact that the contact spring is vorortiert in a located between its fixed and free end torsion region 19 about its longitudinal axis.
- the actuator 13 is arranged and configured to engage the contact spring 10 near its free end and to engage with both opposed surfaces of the contact spring 10 .
- the contact areas 20, 21 of the actuator 13 in the direction of the respective surface of the contact spring 10 are convex.
- the contact piece 15 is larger than the corresponding to the main or signal contact contact piece 16.
- the contact pieces 15, 17 of the precontact consist less noble material than the contact pieces 16, 18 of the main contact.
- the contact pieces 15, 17 made of AgSnO and the contact pieces 16, 18 made of an AuAg alloy are less noble material than the contact pieces 16, 18 of the main contact.
- the electromagnetic relay partially shown in the perspective view of Figure 3 (omitting the housing cap) comprises a base body 22 from which protrudes a yoke leg 23 of a coil (not shown) passing through the yoke.
- the yoke leg 23 is located between the two arms of the generally H-shaped relay armature 14 in this embodiment , which is pivotally mounted about a vertical center axis on a bearing pin 24 mounted on the base body 22 .
- the coupled to the relay armature 14 actuator 13 is slidably guided by integrally formed on the base body 22 guide columns 25 in its plane and surrounds, as shown in more detail in Figure 4 to 6, the contact spring 10, the contact pieces 15, 16 with the fixed contact 12 attached contact pieces 17th , 18 work together.
- the relay is shown equipped with two contact springs 10 . Terminal pins 26 of the fixed contacts 12 protrude from the base body 22 down.
- the torsion region 19 is realized by reducing the spring width.
- the spring 10 may be reduced in this area 19 in their material thickness or treated in any other way to increase the torsional ability.
- the area 19 is between the riveted to the contact carrier 11 fixed end of the contact spring 10 and the attack region of the actuator 13.
- the contact spring 10 has in this attack area and at its fixed end its full width, which is increased again at the free end, to create between the contact pieces 15 and 16 sufficient distance.
- the actuator 13 engages the contact spring 10 in a stiffened area.
- the contact spring 10 extends between the two contact areas 20, 21 of the actuator 13, of which the area is made convex or crowned 20 to assist in pressing the contact spring 10 to pivot about its central longitudinal axis allow and thus ensure a contact on both pairs of contacts 15, 17 and 16, 18 .
- a convex or spherical design is not required. If the contact spring 10 is biased in the closed position, the voltage applied to the opening 21 on its surface 21 of the actuator 13 should be spherical.
- the two located on the fixed contact 12 contact points are formed on a common contact piece 27 whose contact surface is dimensioned so that they can work together with the two separate contact pieces 15 and 16 of the contact spring.
- the contact surface of the common contact piece 27 is spherically shaped.
- Another conceivable alternative is to arrange both on the contact spring 10 and on the fixed contact 12 a single continuous contact piece and to provide at least one of them with two projections for generating two spatially separated contact points.
- the contact spring 10 is provided in the direction of its longitudinal central axis with a bead 28 which increases the rigidity of the contact spring 10 in its longitudinal direction in the region between the contact pieces 15, 16 and the engagement region of the actuator 13 .
- a stiffening of the contact spring 10 can be achieved by increasing its thickness in the region between the contact pieces 15, 16 and the engagement region of the actuator 13 .
- stiffening in the bead 28 shown in Figure 7 it can pass over the entire length of the contact spring 10 to its fixed to the contact carrier 10 end;
- Such beading 28 which extends in the direction of the longitudinal center axis and thus in the neutral zone of contact spring 10 , leads to reduced flexibility even in region 19, but does not affect the torsional ability in this region to any great extent.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Relay Circuits (AREA)
- Contacts (AREA)
- Switch Cases, Indication, And Locking (AREA)
Description
- Figur 1
- eine schematische Darstellung einer Kontakteinheit in Seitenansicht zur Veranschaulichung des Prinzips der Erfindung,
- Figur 2
- eine Stirnansicht in Richtung des Pfeils II der Figur 1,
- Figur 3
- eine perspektivische Darstellung eines Teils eines elektromagnetischen Relais mit einem praktischen Ausführungsbeispiel der erfindungsgemäßen Kontakteinheit,
- Figur 4
- eine der Figur 1 ähnliche Darstellung der bei dem Relais nach Figur 3 verwendeten Kontakteinheit,
- Figur 5
- eine Stirnansicht des Betätigers in dem Ausführungsbeispiel nach Figur 3 mit einer Kontaktfeder,
- Figur 6
- eine vergrößerte Darstellung eines Teils der Figur 5, und
- Figur 7
- eine Variante der Kontaktanordnung in einer Figur 2 entsprechenden schematischen Darstellung.
- 10
- Kontaktfeder
- 11
- Träger für 10
- 12
- Festkontakt
- 13
- Betätiger
- 14
- Relaisanker
- 15, 16
- Kontaktstücke an 10
- 17, 18
- Kontaktstücke an 12
- 19
- Biege- und Torsionsbereich von 10
- 20, 21
- Berührungsbereiche in 13
- 22
- Grundkörper
- 23
- Jochschenkel
- 24
- Lagerzapfen
- 25
- Führungssäulen
- 26
- Anschlußstifte
- 27
- gemeinsames Kontaktstück
- 28
- Sicke
Claims (12)
- Kontakteinheit für elektromagnetische Relais mit einem Festkontakt (12) und einer Kontaktfeder (10), die zwei quer zu ihrer Längsrichtung angeordnete, an einem ungeteilten Endabschnitt der Kontaktfeder (10) vorgesehene und mit dem Festkontakt zusammenarbeitende Kontaktstellen (15, 16) sowie zwischen ihrem festen Ende und den Kontaktstellen (15, 16) einen biegsamen Bereich (19) mit um die Kontaktfeder-Längsachse erhöhter Torsionsfähigkeit aufweist,
dadurch gekennzeichnet, daß die Kontaktfeder (10) im Bereich von der Angriffsstelle eines Betätigers (13) bis zum Bereich ihrer Kontaktstellen (15, 16) versteift ist. - Kontakteinheit nach Anspruch 1, wobei die Versteifung in einer Verdickung oder Verformung besteht.
- Kontakteinheit nach Anspruch 2, wobei die Kontaktfeder (10) eine in Richtung ihrer Längsmittelachse verlaufende Sicke (28) aufweist.
- Kontakteinheit nach Anspruch 3, wobei die Sicke (28) über die gesamte Länge der Kontaktfeder (10) verläuft.
- Kontakteinheit nach einem der vorhergehenden Ansprüche, wobei die beiden Kontaktstellen (17, 18) des Festkontakts (12) und/oder die beiden Kontaktstellen (15, 16) der Kontaktfeder an einem gemeinsamen Kontaktstück (27) ausgebildet sind.
- Kontakteinheit nach einem der vorhergehenden Ansprüche, wobei die Kontaktfeder (10) in ihrem Bereich (19) erhöhter Torsionsfähigkeit geringere Breite und/oder geringere Dicke hat als in ihren übrigen Bereichen.
- Kontakteinheit nach einem der vorhergehenden Ansprüche mit einem Betätiger (13), dessen an der Kontaktfeder (10) angreifender Bereich (20 oder 21) zur Kontaktfeder hin konvex ist.
- Kontakteinheit nach Anspruch 7, wobei der Betätiger (13) auf beiden Seiten der Kontaktfeder (10) mit einem konvexen Bereich (20, 21) angreift.
- Kontakteinheit nach einem der vorhergehenden Ansprüche, wobei die die beiden Kontaktstellen (15, 16) der Kontaktfeder (10) verbindende Gerade die die Gegenkontaktstellen (17, 18) des Festkontakts (12) verbindende Gerade unter einem spitzen Winkel schneidet.
- Kontakteinheit nach Anspruch 9, wobei die Kontaktstellen (16, 18) des zuletzt schließenden und zuerst öffnenden Kontaktpaares aus einem edleren Kontaktmaterial bestehen als die des anderen Kontaktpaares.
- Kontakteinheit nach Anspruch 10, wobei die Kontaktstellen (15, 17) des zuerst schließenden und zuletzt öffnenden Kontaktpaares aus AgSnO und die des anderen Kontaktpaares aus einer AuAg-Legierung gebildet sind.
- Kontakteinheit nach einem der Ansprüche 9 bis 11, wobei die Kontaktstellen (15, 17) des zuerst schließenden und zuletzt öffnenden Kontaktpaares größer dimensioniert sind als die des anderen Kontaktpaares.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05012458A EP1575075B1 (de) | 1998-12-18 | 1999-12-01 | Kontakeinheit für elektromagnetische Relais |
SI9930829T SI1011122T1 (sl) | 1998-12-18 | 1999-12-01 | Kontaktna enota za elektromagnetni rele |
DK99123867T DK1011122T3 (da) | 1998-12-18 | 1999-12-01 | Kontaktenhed til elektromagnetiske relæer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19858755 | 1998-12-18 | ||
DE19858755A DE19858755C1 (de) | 1998-12-18 | 1998-12-18 | Kontakteinheit für elektromagnetische Relais |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05012458A Division EP1575075B1 (de) | 1998-12-18 | 1999-12-01 | Kontakeinheit für elektromagnetische Relais |
EP05012458.5 Division-Into | 2005-06-09 |
Publications (4)
Publication Number | Publication Date |
---|---|
EP1011122A2 EP1011122A2 (de) | 2000-06-21 |
EP1011122A3 EP1011122A3 (de) | 2001-04-25 |
EP1011122B1 true EP1011122B1 (de) | 2005-07-06 |
EP1011122B8 EP1011122B8 (de) | 2005-08-31 |
Family
ID=7891762
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99123867A Expired - Lifetime EP1011122B8 (de) | 1998-12-18 | 1999-12-01 | Kontakteinheit für elektromagnetische Relais |
EP05012458A Expired - Lifetime EP1575075B1 (de) | 1998-12-18 | 1999-12-01 | Kontakeinheit für elektromagnetische Relais |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05012458A Expired - Lifetime EP1575075B1 (de) | 1998-12-18 | 1999-12-01 | Kontakeinheit für elektromagnetische Relais |
Country Status (9)
Country | Link |
---|---|
US (2) | US6300854B1 (de) |
EP (2) | EP1011122B8 (de) |
JP (1) | JP4265057B2 (de) |
AT (2) | ATE475982T1 (de) |
DE (3) | DE19858755C1 (de) |
DK (1) | DK1011122T3 (de) |
ES (2) | ES2242347T3 (de) |
PT (2) | PT1575075E (de) |
SI (2) | SI1011122T1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6837729B2 (en) * | 2002-09-10 | 2005-01-04 | Tyco Electronics Corporation | High power electrical contactor with improved bridge contact mechanism |
JP2006294459A (ja) * | 2005-04-12 | 2006-10-26 | Nec Tokin Corp | 電磁継電器 |
DE102007034989B3 (de) * | 2007-07-26 | 2009-03-12 | Schaltbau Gmbh | Mikroschalter |
US7859372B2 (en) * | 2007-10-24 | 2010-12-28 | Tyco Electronics Corporation | Methods and apparatus for reducing bounce between relay contacts |
US9160333B2 (en) * | 2011-05-06 | 2015-10-13 | Purdue Research Foundation | Capacitive microelectromechanical switches with dynamic soft-landing |
EP2620966A1 (de) * | 2012-01-27 | 2013-07-31 | Johnson Electric S.A. | Kontaktanordnung für elektrische Hochleistungs-Schaltvorrichtungen |
DE102012017157A1 (de) * | 2012-08-30 | 2014-03-06 | Hengstler Gmbh | Relais mit modifizierter Kraft-Weg-Kennlinie |
US9659718B2 (en) | 2012-11-05 | 2017-05-23 | Dae Dong Co., Ltd. | High load switch for vehicle |
FR3007186B1 (fr) * | 2013-06-12 | 2016-09-09 | Stmicroelectronics Rousset | Dispositif de memoire compact associant un plan memoire du type sram et un plan memoire du type non volatil, et procedes de fonctionnement |
JP6393025B2 (ja) * | 2013-07-01 | 2018-09-19 | 富士通コンポーネント株式会社 | 電磁継電器 |
JP2015153564A (ja) * | 2014-02-13 | 2015-08-24 | Necトーキン株式会社 | 電磁継電器 |
FR3018944A1 (fr) | 2014-03-21 | 2015-09-25 | St Microelectronics Rousset | Dispositif de memoire associant un plan memoire du type sram et un plan-memoire du type non volatil, durci contre des basculements accidentels |
JP6609096B2 (ja) * | 2014-08-07 | 2019-11-20 | 株式会社デンソー | 電磁スイッチ |
US20230223227A1 (en) * | 2022-01-07 | 2023-07-13 | Te Connectivity Solutions Gmbh | Contactor |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE757518C (de) * | 1938-12-10 | 1954-02-01 | Mix & Genest A G | Verfahren zur Erzeugung der erforderlichen Vorspannung bei gebogenen Kontaktfedern |
US2665352A (en) * | 1948-04-10 | 1954-01-05 | Itt | Contact-spring switch assembly |
DE972072C (de) * | 1952-07-27 | 1959-05-21 | Siemens Ag | Kontaktfedersatz fuer elektrische Schaltgeraete, insbesondere fuer Relais der Fernmeldetechnik |
US2853578A (en) * | 1955-10-31 | 1958-09-23 | Telephone Mfg Co Ltd | Electric contact-making devices |
DE1175807B (de) * | 1959-04-10 | 1964-08-13 | Schaltbau Gmbh | Elektrische Zwillingskontaktanordnung mit zeit-lich nacheinanderschaltenden Kontaktpaaren |
DE3224013A1 (de) * | 1981-08-14 | 1983-12-29 | Siemens AG, 1000 Berlin und 8000 München | Elektromagnetisches relais |
DE8134890U1 (de) * | 1981-11-30 | 1983-05-11 | Siemens AG, 1000 Berlin und 8000 München | Elektromagnetisches Relais |
DE3224468A1 (de) * | 1982-06-30 | 1984-01-05 | Siemens AG, 1000 Berlin und 8000 München | Relais mit brueckenkontaktfeder |
DE3238183A1 (de) * | 1982-10-15 | 1983-05-19 | Alois Zettler Elektrotechnische Fabrik GmbH, 8000 München | Elektromagnetisches relais |
IT1238322B (it) * | 1990-01-19 | 1993-07-12 | Bremas Spa | Punteria in particolare per la cooperazione con alberi a camme in commutatori elettrici, interruttori o similari |
DE9015406U1 (de) * | 1990-11-09 | 1992-03-05 | Siemens AG, 8000 München | Elektromagnetisches Relais mit auf dem Anker befestigter Kontaktfeder |
DE9404775U1 (de) * | 1994-03-22 | 1994-06-09 | W. Gruner Gmbh Relaisfabrik, 78564 Wehingen | Kontaktsystem mit Wolfram-Vorlaufkontakt für Schaltrelais für hohe Einschaltstromspitzen |
-
1998
- 1998-12-18 DE DE19858755A patent/DE19858755C1/de not_active Expired - Fee Related
-
1999
- 1999-12-01 DE DE59912238T patent/DE59912238D1/de not_active Expired - Lifetime
- 1999-12-01 EP EP99123867A patent/EP1011122B8/de not_active Expired - Lifetime
- 1999-12-01 EP EP05012458A patent/EP1575075B1/de not_active Expired - Lifetime
- 1999-12-01 PT PT05012458T patent/PT1575075E/pt unknown
- 1999-12-01 DE DE59915189T patent/DE59915189D1/de not_active Expired - Lifetime
- 1999-12-01 ES ES99123867T patent/ES2242347T3/es not_active Expired - Lifetime
- 1999-12-01 SI SI9930829T patent/SI1011122T1/sl unknown
- 1999-12-01 PT PT99123867T patent/PT1011122E/pt unknown
- 1999-12-01 ES ES05012458T patent/ES2347967T3/es not_active Expired - Lifetime
- 1999-12-01 DK DK99123867T patent/DK1011122T3/da active
- 1999-12-01 SI SI9931047T patent/SI1575075T1/sl unknown
- 1999-12-01 AT AT05012458T patent/ATE475982T1/de active
- 1999-12-01 AT AT99123867T patent/ATE299290T1/de active
- 1999-12-15 JP JP35556699A patent/JP4265057B2/ja not_active Expired - Fee Related
- 1999-12-15 US US09/461,386 patent/US6300854B1/en not_active Expired - Lifetime
-
2001
- 2001-08-22 US US09/933,678 patent/US6362710B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1575075A3 (de) | 2008-09-10 |
US20010054546A1 (en) | 2001-12-27 |
ES2347967T3 (es) | 2010-11-26 |
DE19858755C1 (de) | 2000-06-08 |
EP1011122B8 (de) | 2005-08-31 |
PT1011122E (pt) | 2005-09-30 |
ATE299290T1 (de) | 2005-07-15 |
DK1011122T3 (da) | 2005-08-01 |
JP4265057B2 (ja) | 2009-05-20 |
EP1011122A2 (de) | 2000-06-21 |
EP1011122A3 (de) | 2001-04-25 |
DE59912238D1 (de) | 2005-08-11 |
SI1011122T1 (sl) | 2005-12-31 |
DE59915189D1 (de) | 2010-09-09 |
PT1575075E (pt) | 2010-09-08 |
EP1575075A2 (de) | 2005-09-14 |
ATE475982T1 (de) | 2010-08-15 |
EP1575075B1 (de) | 2010-07-28 |
ES2242347T3 (es) | 2005-11-01 |
SI1575075T1 (sl) | 2010-11-30 |
US6300854B1 (en) | 2001-10-09 |
JP2000182456A (ja) | 2000-06-30 |
US6362710B2 (en) | 2002-03-26 |
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