EP0411397B1 - Electromagnetic switchgear - Google Patents

Electromagnetic switchgear Download PDF

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Publication number
EP0411397B1
EP0411397B1 EP90113796A EP90113796A EP0411397B1 EP 0411397 B1 EP0411397 B1 EP 0411397B1 EP 90113796 A EP90113796 A EP 90113796A EP 90113796 A EP90113796 A EP 90113796A EP 0411397 B1 EP0411397 B1 EP 0411397B1
Authority
EP
European Patent Office
Prior art keywords
coil
printed circuit
switchgear according
contact parts
coil connection
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
EP90113796A
Other languages
German (de)
French (fr)
Other versions
EP0411397A1 (en
Inventor
Norbert Dipl.-Ing. Zimmermann (Fh)
Johann Dipl.-Ing. Demleitner
Erwin Dipl.-Ing. Flierl (Fh)
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of EP0411397A1 publication Critical patent/EP0411397A1/en
Application granted granted Critical
Publication of EP0411397B1 publication Critical patent/EP0411397B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/021—Bases; Casings; Covers structurally combining a relay and an electronic component, e.g. varistor, RC circuit

Definitions

  • the invention relates to an electromagnetic switching device, in particular a small contactor, with a lower part receiving the magnet system with the coil and an upper part carrying the contact system and the coil connection, which can be connected mechanically and electrically with respect to the coil connection to the lower part.
  • the invention has for its object to provide in a switching device of the type mentioned above the possibility to easily accommodate additional components. This is achieved in a simple manner in a switching device of the type mentioned above in that between the upper and lower part, a component, such as interference suppression or overvoltage protection diodes and / or rectifier, is inserted, which is connected to the coil connection in the lower part, and contact surfaces for resilient, has contact parts connected to the coil connections in the upper part.
  • a component such as interference suppression or overvoltage protection diodes and / or rectifier
  • the recess on the coil former flange serves to fix the printed circuit board on the coil former in order to maintain a defined position of the contact point.
  • the resilient contact parts consist of spiral springs which are pushed onto pins attached to the upper part.
  • the pins are advantageously parts of knife contact parts of the upper part. The knife contacts are cracked using a tool.
  • the printed circuit is connected via flexible lines which are soldered to Lyra plug-in connections.
  • the small contactor shown in the drawing consists of the lower part 2 receiving the magnet system 1 and the upper part 3 receiving the contact system, which can be connected to the lower part 2 via the latching connection 4.
  • the contact system consists of the contact bridges, not shown, which are held spring-loaded in the contact bridge carrier 5.
  • the contact bridge support 5 is mounted in parallel in the direction of the dividing line between the lower part 2 and upper part 3.
  • the contact bridges work with the bent fixed contact parts, not shown in any more detail, which can be connected in an electrically conductive manner to the line ends of the supply line via connecting screws 6.
  • the right pair in FIG. 2 of the connecting screws 6 is connected to the pin-shaped feed line 7 for the coil 8 of the magnet system 1.
  • Coil springs 9 are pushed over the pin-shaped lead 7 and are brought into electrically conductive connection with contact surfaces 10 of a printed circuit board 11 after the lower part 2 and upper part 3 have been joined together.
  • diodes 12, namely facing the coil 8 are fastened to the printed circuit board and connected to the conductor tracks of the printed circuit board.
  • Flexible lines 13 serve to connect the lyre contact parts 14 to the printed circuit board 11, ie to the diodes 12 and the ends of the coil 8.
  • the ends of the coil 8 are wound around winding pins 15 of the lyre contact parts 14. At this point the ends of the flexible lines 13 are also soldered. If no wiring of the coil is desired, the printed circuit board can be omitted.
  • the knife contact parts of the pin-shaped lead 7 are inserted when joining together the lower and upper part, so that the outer row of screws 6 is used only for connecting the coil itself.
  • the pin-shaped feed line can be produced by breaking off parts of the usual knife-shaped contact parts if necessary.
  • the coil springs 9 are then pushed onto the pin-shaped feed line.
  • the printed circuit board rests on edges 16 of the coil flanges 17, so that the pressure on the contact surfaces 10 of the coil springs 9 cannot cause any damage.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Keying Circuit Devices (AREA)
  • Relay Circuits (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Electronic Switches (AREA)
  • Burglar Alarm Systems (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

The invention relates to an electromagnetic switching device, in particular a small contactor, having a lower part holding the magnet system together with the coil and having an upper part, which supports the contact system and the coil connection and can be connected to the lower part mechanically and electrically with respect to the coil connection. Inserted between the upper part and the lower part is a printed circuit holding components such as suppression or overvoltage protection diodes and/or rectifiers, which circuit is connected to the coil connection in the lower part and has contact surfaces for resilient contact parts connected to the coil connections in the upper part. <IMAGE>

Description

Die Erfindung bezieht sich auf ein elektromagnetisches Schaltgerät, insbesondere Kleinschütz, mit einem das Magnetsystem mit der Spule aufnehmenden Unterteil und einem das Kontaktsystem und den Spulenanschluß tragenden Oberteil, das mechanisch und elektrisch in bezug auf den Spulenanschluß mit dem Unterteil verbindbar ist.The invention relates to an electromagnetic switching device, in particular a small contactor, with a lower part receiving the magnet system with the coil and an upper part carrying the contact system and the coil connection, which can be connected mechanically and electrically with respect to the coil connection to the lower part.

Bei einem bekannten Schaltgerät der obengenannten Art (DE-U- 81 34 378) ist das Unterteil mit Steckanschlüssen und das Oberteil mit Gegensteckanschlüssen für den Spulenanschluß des Magnetsystems versehen, die beim Zusammenfügen beider Teile elektrisch kontaktiert werden. Um mit derartigen Schaltgeräten Beschaltungsglieder elektrisch und mechanisch zu verbinden, hat man entweder gesonderte Anbaugehäuse vorgesehen (DE-U- 82 36 682) oder man hat in den Spulenflanschen entsprechende Ausnehmungen vorgesehen, um hier Bauelemente unterzubringen (DE-U- 88 05 272 bzw. DE-C- 29 16 639).In a known switching device of the type mentioned above (DE-U-81 34 378), the lower part is provided with plug connections and the upper part with mating plug connections for the coil connection of the magnet system, which are electrically contacted when the two parts are joined together. In order to connect circuit elements electrically and mechanically with such switching devices, either separate mounting housings have been provided (DE-U-82 36 682) or corresponding recesses have been provided in the coil flanges to accommodate components here (DE-U-88 05 272 or DE-C-29 16 639).

Der Erfindung liegt die Aufgabe zugrunde, bei einem Schaltgerät der obengenannten Art die Möglichkeit zu schaffen, auf einfache Weise Zusatzbauelemente unterzubringen. Dies wird auf einfache Weise bei einem Schaltgerät der obengenannten Art dadurch erreicht, daß zwischen das Ober- und Unterteil eine Bauelemente wie Entstör- oder Überspannungsschutzdioden und/oder Gleichrichter aufnehmende gedruckte Schaltung zwischengelegt ist, die am Spulenanschluß im Unterteil angeschlossen ist und Kontaktierungsflächen für federnde, mit den Spulenanschlüssen in Oberteil verbundene Kontaktteile aufweist. Um zu verhindern, daß zusätzlicher Raum für die Bauelemente benötigt wird, ist es vorteilhaft, wenn die Bauelemente auf der der Spule zugewandten Seite der gedruckten Schaltung angeordnet sind. Hier wird der ohnehin zwischen rechteckigem Gehäuse und kreiszylinderförmiger Spule vorhandene Randraum ausgenutzt. Es ist vorteilhaft, wenn die gedruckte Schaltung in Ausnehmungen der Spulenkörperflansche eingelegt ist. Die Ausnehmung am Spulenkörperflansch dient zum Fixieren der Leiterplatte auf dem Spulenkörper, um eine definierte Lage der Kontaktstelle zu erhalten. Um das vorhandene Schaltgerät für eine derartige Aufgabe auf einfache Weise zu ertüchtigen, ist es weiterhin von Vorteil, wenn die federnden Kontaktteile aus Spiralfedern bestehen, die auf am Oberteil befestigte Stifte aufgeschoben sind. Die Stifte sind hier vorteilhafterweise Teile von Messerkontaktteilen des Oberteils. Die Messerkontakte werden mittels eines Werkzeugs nachgeknackt. Um auch gesonderte Anschlußpunkte für die gedruckte Schaltung in Fortfall zu bringen, ist es weiterhin von Vorteil, wenn die gedruckte Schaltung über flexible Leitungen, die an Lyrasteckanschlüsse angelötet sind, angeschlossen ist.The invention has for its object to provide in a switching device of the type mentioned above the possibility to easily accommodate additional components. This is achieved in a simple manner in a switching device of the type mentioned above in that between the upper and lower part, a component, such as interference suppression or overvoltage protection diodes and / or rectifier, is inserted, which is connected to the coil connection in the lower part, and contact surfaces for resilient, has contact parts connected to the coil connections in the upper part. In order to prevent that additional space is required for the components, it is advantageous if the components are arranged on the side of the printed circuit facing the coil. Here it is anyway between rectangular housing and circular cylindrical Coil existing edge space exploited. It is advantageous if the printed circuit is inserted into recesses in the coil body flanges. The recess on the coil former flange serves to fix the printed circuit board on the coil former in order to maintain a defined position of the contact point. In order to upgrade the existing switching device for such a task in a simple manner, it is also advantageous if the resilient contact parts consist of spiral springs which are pushed onto pins attached to the upper part. The pins here are advantageously parts of knife contact parts of the upper part. The knife contacts are cracked using a tool. In order to also eliminate separate connection points for the printed circuit, it is also advantageous if the printed circuit is connected via flexible lines which are soldered to Lyra plug-in connections.

Anhand der Zeichnung wird ein Ausführungsbeispiel der Erfindung beschrieben.An embodiment of the invention is described with reference to the drawing.

Es zeigen:

FIG 1
das erfindungsgemäße Schaltgerät im zusammengefügten Zustand in Vorderansicht,
FIG 2
eine Seitenansicht,
FIG 3
eine perspektivische Darstellung der Spule mit Spulenkörper und angesetzter gedruckter Schaltung und
FIG 4
eine Seitenansicht auf die mit der gedruckten Schaltung versehene Spule mit Spulenkörper.
Show it:
FIG. 1
the switching device according to the invention in the assembled state in front view,
FIG 2
a side view,
FIG 3
a perspective view of the coil with bobbin and attached printed circuit and
FIG 4
a side view of the coil provided with the printed circuit with bobbin.

Das in der Zeichnung dargestellte Kleinschütz besteht aus dem das Magnetsystem 1 aufnehmenden Unterteil 2 und dem das Kontaktsystem aufnehmenden Oberteil 3, das über die Rastverbindung 4 mit dem Unterteil 2 verbindbar ist. Das Kontaktsystem besteht aus den nicht näher dargestellten Kontaktbrücken, die in dem Kontaktbrückenträger 5 federbelastet gehalten sind. Der Kontaktbrückenträger 5 ist in Richtung der Trennungslinie zwischen Unterteil 2 und Oberteil 3 parallel verschiebbar gelagert. Die Kontaktbrücken arbeiten mit den nicht näher dargestellten, abgebogenen Festkontaktteilen zusammen, die über Anschlußschrauben 6 mit Leitungsenden der Zuleitung elektrisch leitend verbindbar sind. Das in FIG 2 rechte Paar der Anschlußschrauben 6 ist mit der stiftförmigen Zuleitung 7 für die Spule 8 des Magnetsystems 1 verbunden. Über die die stiftförmige Zuleitung 7 sind Spiralfedern 9 aufgeschoben, die mit Kontaktflächen 10 einer gedruckten Schaltungsplatine 11 in elektrisch leitende Verbindung nach Zusammenfügen von Unterteil 2 und Oberteil 3 gebracht sind. An der gedruckten Schaltungsplatine sind im Ausführungsbeispiel Dioden 12, und zwar der Spule 8 zugewandt, befestigt und mit den Leiterbahnen der gedruckten Schaltungsplatine in Verbindung gebracht. Flexible Leitungen 13 dienen zum Verbinden der Lyrakontaktteile 14 mit der gedruckten Schaltungsplatine 11, d.h. mit den Dioden 12 und den Enden der Spule 8. Die Enden der Spule 8 sind um Anwickelstifte 15 der Lyrakontaktteile 14 herumgewickelt. An dieser Stelle sind auch die Enden der flexiblen Leitungen 13 angelötet. Werden keine Beschaltungen der Spule gewünscht, so kann die gedruckte Schaltungsplatine entfallen. In die Lyrakontaktteile 14 werden dann die Messerkontaktteile der stiftförmigen Zuleitung 7 beim Zusammen fügen von Unter- und Oberteil eingeführt, so daß die äußere Anschlußschraubenreihe 6 lediglich zum Anschluß der Spule selbst dient. Die stiftförmige Zuleitung kann durch Abbrechen von Teilen der üblichen messerförmigen Kontaktteile im Bedarfsfalle hergestellt werden. Die Spiralfedern 9 werden dann auf die stiftförmige Zuleitung aufgeschoben. Die gedruckte Schaltungsplatine liegt auf Kanten 16 der Spulenflansche 17 auf, so daß der Druck auf die Kontaktflächen 10 von den Spiralfedern 9 keine Beschädigungen hervorrufen kann.The small contactor shown in the drawing consists of the lower part 2 receiving the magnet system 1 and the upper part 3 receiving the contact system, which can be connected to the lower part 2 via the latching connection 4. The contact system consists of the contact bridges, not shown, which are held spring-loaded in the contact bridge carrier 5. The contact bridge support 5 is mounted in parallel in the direction of the dividing line between the lower part 2 and upper part 3. The contact bridges work with the bent fixed contact parts, not shown in any more detail, which can be connected in an electrically conductive manner to the line ends of the supply line via connecting screws 6. The right pair in FIG. 2 of the connecting screws 6 is connected to the pin-shaped feed line 7 for the coil 8 of the magnet system 1. Coil springs 9 are pushed over the pin-shaped lead 7 and are brought into electrically conductive connection with contact surfaces 10 of a printed circuit board 11 after the lower part 2 and upper part 3 have been joined together. In the exemplary embodiment, diodes 12, namely facing the coil 8, are fastened to the printed circuit board and connected to the conductor tracks of the printed circuit board. Flexible lines 13 serve to connect the lyre contact parts 14 to the printed circuit board 11, ie to the diodes 12 and the ends of the coil 8. The ends of the coil 8 are wound around winding pins 15 of the lyre contact parts 14. At this point the ends of the flexible lines 13 are also soldered. If no wiring of the coil is desired, the printed circuit board can be omitted. In the Lyrakontaktteile 14 then the knife contact parts of the pin-shaped lead 7 are inserted when joining together the lower and upper part, so that the outer row of screws 6 is used only for connecting the coil itself. The pin-shaped feed line can be produced by breaking off parts of the usual knife-shaped contact parts if necessary. The coil springs 9 are then pushed onto the pin-shaped feed line. The printed circuit board rests on edges 16 of the coil flanges 17, so that the pressure on the contact surfaces 10 of the coil springs 9 cannot cause any damage.

Claims (6)

  1. Electromagnetic switchgear, more particularly a miniature contactor, comprising a lower part (2) accommodating the magnetic system with the coil and an upper part (3) carrying the contact system and the coil connection, which upper part can be connected to the lower part mechanically and electrically with respect to the coil connection, characterized in that a printed circuit (11) containing components (12) such as interference suppression or overvoltage protection diodes and/or rectifiers is interposed between the upper part (3) and the lower part (2), this printed circuit being connected to the coil connection (13) in the lower part and having contacting surfaces (10) for flexible contact parts (9) connected to the coil connections in the upper part (3).
  2. Switchgear according to claim 1, characterized in that the components (12) are arranged on the side of the printed circuit (11) facing the coil (8).
  3. Switchgear according to claim 1 or 2, characterized in that the printed circuit (11) is fitted in recesses of the coil form flange (17).
  4. Switchgear according to claim 1, 2 or 3, characterized in that the flexible contact parts consist of spiral springs (9) which are slipped onto pins (7) attached to the upper part (3).
  5. Switchgear according to claim 4, characterized in that the pins (7) are parts of blade contact parts of the upper part (3).
  6. Switchgear according to claim 1, 2 or 3, characterized in that the printed circuit (11) is attached by means of flexible leads soldered to lyre-shaped plug-in connections (14).
EP90113796A 1989-08-01 1990-07-18 Electromagnetic switchgear Expired - Lifetime EP0411397B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8909312U DE8909312U1 (en) 1989-08-01 1989-08-01 Electromagnetic switching device
DE8909312U 1989-08-01

Publications (2)

Publication Number Publication Date
EP0411397A1 EP0411397A1 (en) 1991-02-06
EP0411397B1 true EP0411397B1 (en) 1994-09-21

Family

ID=6841625

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90113796A Expired - Lifetime EP0411397B1 (en) 1989-08-01 1990-07-18 Electromagnetic switchgear

Country Status (3)

Country Link
EP (1) EP0411397B1 (en)
AT (1) ATE112092T1 (en)
DE (2) DE8909312U1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2901056B1 (en) * 2006-05-09 2008-08-01 Abb Entrelec Soc Par Actions S ELECTROMAGNETIC CONTACTOR

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1787309U (en) * 1958-08-27 1959-04-23 Siemens Ag ELECTROMAGNETIC RELAY WITH UPSTANDING TRANSISTOR AMPLIFIER.
DE2916639C2 (en) * 1979-04-25 1983-01-20 Peter 7530 Pforzheim Hofsäss Coil body with a thermal circuit breaker
DE8134378U1 (en) * 1981-11-25 1982-02-25 Siemens AG, 1000 Berlin und 8000 München Electromagnetic switching device
DE8236682U1 (en) * 1982-12-28 1983-06-09 Siemens AG, 1000 Berlin und 8000 München Add-on housing
DE3306019C2 (en) * 1983-02-22 1984-12-13 Stribel GmbH, 7443 Frickenhausen Electromagnetic relay
DE8805272U1 (en) * 1988-04-21 1988-06-09 Hofsäss, Peter, 7530 Pforzheim Coil carrier with safety switch

Also Published As

Publication number Publication date
EP0411397A1 (en) 1991-02-06
DE8909312U1 (en) 1990-12-06
DE59007209D1 (en) 1994-10-27
ATE112092T1 (en) 1994-10-15

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