EP0082238B1 - Relay - Google Patents

Relay Download PDF

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Publication number
EP0082238B1
EP0082238B1 EP82102813A EP82102813A EP0082238B1 EP 0082238 B1 EP0082238 B1 EP 0082238B1 EP 82102813 A EP82102813 A EP 82102813A EP 82102813 A EP82102813 A EP 82102813A EP 0082238 B1 EP0082238 B1 EP 0082238B1
Authority
EP
European Patent Office
Prior art keywords
coil
terminal
pin
intermediate piece
component
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
Application number
EP82102813A
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German (de)
French (fr)
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EP0082238A1 (en
Inventor
Hans Peter Stribel
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.)
HERMANN STRIBEL oHG
Original Assignee
HERMANN STRIBEL oHG
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Publication date
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Application filed by HERMANN STRIBEL oHG filed Critical HERMANN STRIBEL oHG
Priority to AT82102813T priority Critical patent/ATE21792T1/en
Publication of EP0082238A1 publication Critical patent/EP0082238A1/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/10Connecting leads to windings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H49/00Apparatus or processes specially adapted to the manufacture of relays or parts thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/44Magnetic coils or windings
    • H01H50/443Connections to coils
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00Coils
    • H01F5/04Arrangements of electric connections to coils, e.g. leads
    • H01F2005/046Details of formers and pin terminals related to mounting on printed circuits
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/58Electric connections to or between contacts; Terminals
    • H01H1/5822Flexible connections between movable contact and terminal
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/44Magnetic coils or windings
    • H01H2050/446Details of the insulating support of the coil, e.g. spool, bobbin, former

Definitions

  • the invention relates to a relay with the features of the preamble of claim 1.
  • Such a relay is known from US-A-2 992 370.
  • Its coil former has two opposing end plates, on each of which there is a coil connecting part, which is integrally formed with a fastening part on the respective end plate.
  • the coil connection part has an intermediate piece adjoining the fastening part.
  • a separate angle piece is fastened with a rivet bolt in such a way that one leg of the angle piece projects slightly beyond the free end of the intermediate piece with a connecting pin.
  • a coil wire end is attached to the connecting pin.
  • the other leg of the elbow strives across from the intermediate piece.
  • This striving leg is designed as a plug that can be inserted into a circuit board.
  • the intermediate piece with the connecting pin and the striving plug pin is initially outside the coil winding area.
  • the intermediate piece After winding the coil, the intermediate piece is bent at right angles directly on the fastening part, so that the connecting pin and the plug pin reach the coil winding area.
  • the two intermediate pieces are bent and aligned in a single plane so that the two connecting pins of the two coil connecting parts face each other, so that there is only a relatively small distance between the two connecting pins. Due to the arrangement and design of the coil connection parts on the end plates of the coil body, the production is complex and there is a risk of functional impairment in the case of the connection pins lying close together, in particular in the case of loosely sagging coil connection wires.
  • the intermediate pieces and connecting pins which are bent towards one another, there is a strong restriction in this coil winding area due to the remaining small space between the two coil connection parts, so that additional relay contact connection parts cannot be provided in a space-saving manner here.
  • the plug pins which are produced separately from the coil connection part are located in a base plate of a housing.
  • the connection pin of the coil connection part mounted on the coil body is bent into the coil winding area after the coil has not been wound, but the coil connection parts must subsequently be soldered for connection to the plug pin, one plug pin being located outside the coil winding area.
  • the pins protruding from the base plate of the housing are aligned transversely to one another in such a way that they essentially form a rectangle. A space-saving arrangement of the pins directly on the coil body is not provided here.
  • the coil connection part is designed with an intermediate piece as an elongated profile rail.
  • the profile rail has such bends at both end regions that the connecting rail can be clipped onto the wall of an insulating body in the manner of a clamp.
  • the insulating body is located inside an insulating housing, on the inside of which the coil connecting bar rests. A bending of the intermediate piece of the connecting bar after winding the coil is not provided in this relay, so that neither the connecting pin for the coil wire end nor a plug pin that can be inserted into a printed circuit board get into the coil winding area.
  • the object of the invention is to provide a compact, easy to manufacture and reliable relay.
  • the relay 1 shown in the drawing is provided for attachment to a printed circuit board 2, which has been indicated by dashed lines in FIG. 1 and has conductor tracks, not shown, on its underside.
  • the relay 1 has a yoke 3, which is designed with a rear wall 4 and an upper leg 5 as an angle piece.
  • a coil 6 In the angular area of the yoke 3 there is a coil 6, the coil wire 7 of which has been wound on a coil former 8 made of insulating material.
  • the coil former 8 has an end plate 9 and a back plate 10, which limit the coil 6 on its end faces.
  • the coil body 8 is penetrated by a core, the axis 11 of which runs parallel to the leg 5 of the yoke 3 and also forms the axis of the coil 6.
  • This core, which carries the bobbin 8 is fastened to the rear wall 4 of the yoke 3 by means of a rivet attachment 12.
  • two fastening pins 13 are formed on the side edge facing the printed circuit board 2, which are spaced apart and run parallel.
  • the fastening pins 13 are in corresponding holes of the circuit board 2 can be inserted and can be fixed at the projecting free end areas, for example by soldering, riveting, spreading or the like.
  • two further fastening pins can also be formed on the two parallel edge sides 14 of the rectangular rear wall 4 of the yoke 3, which are designed essentially like the first fastening pins 13, but extend at right angles to them in the plane of the rear wall 4.
  • the fastening pins 13 and the possibly further provided lateral fastening pins are expediently made in one piece with the rear wall 4 of the yoke 3 and are formed in one step in the manufacture of the yoke 3.
  • a projecting pin part 15 is arranged, on which a helical tension spring 16 is fastened.
  • the other end of the tension coil spring 16 is fixed to a projection 17 of a plate-shaped armature 18.
  • the armature 18 is mounted on front web parts of the leg 5 such that it can be folded and is located in front of the plane of the end plate 9 of the coil former 8.
  • a thin contact spring plate 19 is fastened to the front surface of the armature 18 and has one or more switching contacts 20.
  • a metal braid 21 is also attached to the armature 18 and is fixed at its other end to the upper side of the leg 5.
  • the end plate 9 of the bobbin 8, as can also be seen in FIG. 4, is designed as a rectangular plate and has three narrow sides 22 which run at right angles to one another and are all arranged at the same distance from the axis 11 of the core. The distances are dimensioned such that the optional abutment of one of the narrow sides 22 on the inner surface of the leg 5 in a simple manner ensures that the bobbin 8, which can be rotated about the axis 11, is locked against the yoke 3 against rotation.
  • the bobbin 8 has at the bottom of the end plate 9 a U-shaped projection 23, the connecting web 24 abuts the circuit board 2.
  • One side leg of the extension 23 has one or more relay contacts 25, which are designed as working contacts, while the parallel free leg 26 of the extension 23 carries one or more relay contacts 27 designed as normally closed contacts.
  • the switch contact 20 of the armature 18 bears against this normally closed contact 27 when the magnetic field is not switched on due to the force of the helical tension spring 16.
  • In the middle region of the extension 23 there is a crossbar 28 for stiffening the free leg 26.
  • two contact connection parts 29 protrude, which belong to the relay contacts 25. Furthermore, two contact connection parts 30 are provided, which belong to the relay contacts 27.
  • two plug pins 31 are arranged in the area between the fastening pins 13 of the yoke 3 and the contact connection parts 29 and are formed on two connection parts 32, 32 '. 2 that the fastening pins 13, the plug pins 31 and the contact connection parts 29, 30 are arranged parallel to the axis 11 in two parallel rows.
  • the distances between the fastening pin 13, the plug pin 31 and the contact connection parts 29, 30 are dimensioned such that they correspond to a grid pitch R.
  • This grid pitch R is in accordance with a grid pitch of the holes in the printed circuit board 2.
  • the relay 1 can be plugged into the printed circuit board 2 at any time without additional punching work being required in the printed circuit board 2.
  • the distance between the two rows of pins transverse to the longitudinal direction of the axis 11 is twice as large as the distance between the pins in the row direction.
  • the connecting part 32, 32 ' has an intermediate piece 33 which is held in a recess 35 of the coil former 8 via a fastening part 34.
  • the part of the intermediate piece 33 adjoining the fastening part 34 is located in a U-shaped groove 36 of the coil former 8 between a contact connecting part 29 and a contact connecting part 30.
  • the part of the intermediate piece 33 lying outside the U-shaped groove 36 is located in an L-shaped recess 37 on the side of the bobbin 8.
  • the connection part 32, 32 ' is thus essentially angular in the finished relay 1 and is bent at a distance around the one contact connection part 29.
  • the connecting part 32, 32 ' has a pin 38 at its free end region which extends parallel to the axis 11.
  • This pin 38 has a largely angular rectangular cross section, around which a wire end 39 of the coil 6 is wound.
  • the plug pin 31 of the connecting part 32, 32 ' is angled such that it extends essentially transversely to the pin 38.
  • FIGS. 3 and 3 also show that a rounding 40 is formed in the transition region between the groove 36 and the L-shaped recess 37 on the connecting web 24 of the coil former 8.
  • the L-shaped recess 37 is made somewhat wider in the direction of the axis 11 than the thickness of the intermediate piece 33, so that there is a free space here.
  • the two connecting parts 32, 32 ' are arranged essentially mirror-symmetrically with respect to the axis 11. 1 and 2, the plug pins 31 with the wire ends 39 wound around the pins 38 are located in the lower area of the relay 1 under the coil 6 in the coil winding area 41 between the planes of the face plate 9 and the back plate 10 of the coil body 8 .
  • the connecting parts 32, 32 ' When manufactured in the automatic bobbin winder, the connecting parts 32, 32 'are in a substantially stretched position as shown in FIGS. 5 to 5, the pins 38 and plug pins 31 being outside the bobbin winding area 41. Thereby, a wire end "39 (coil start) around the Pin 38 of the coil connection 32 coiled.
  • This winding around the wire end 39 around the pin 38 can be carried out with such a defined wire pretension that the insulation of the coil wire 7 is severed in particular at the edges of the pin 38 and a flawless, reliable contact connection is produced. Alternatively or additionally, a solder connection can also be carried out at this point.
  • the coil wire 7 is then wound around the coil former 8.
  • the other wire end 39 (coil end) is wound around the pin 38 of the other connecting part 32 ', which, as described above, can also be carried out fully automatically and with appropriate wire pretension.
  • this wire end 39 has also been fixed outside the coil winding area 41, the wire is cut off.
  • the two connection parts 32, 32 ' are expediently bent together in mirror symmetry around the contact connection parts 29 in the direction of the coil winding area 41. This bending of the connecting parts 32, 32 'takes place with a radius in the area of the intermediate piece 33 around the essentially semicircular curve 40.
  • the free space in the area of the L-shaped recess 37 makes it possible to bend the intermediate piece 33 a little more than 90 degrees .
  • the connecting parts 32, 32 ' After the bending force has been removed, the connecting parts 32, 32 ', due to their material tension, move back so that there is an essentially 90 degree angle bend, as shown in FIG. 2.
  • the plug 38 to which the wire end 39 is fastened, also at the same time pushes the plug-in pin 31 into the coil winding area 41, resulting in the row arrangement shown in the figure.
  • the part of the coil wire 7 between its fixed wire end 39 and the body part of the coil 6 is free of prestress, so that in the operating state no force stresses occur and the resulting impairments are avoided.

Abstract

1. Relay comprising a coil (6) wound on a coil former (8), with terminal components (32, 32') associated with the ends of the coil wires, each of which terminal components comprises a fixing component (34) held on the coil former (8), an intermediate piece (33), a terminal pin (38) for one coil wire end (39) and, orientated transversely thereto, a plug pin (31) which can be inserted into a printed circuit board (2), wherein intermediate piece (33), terminal pin (38) and plug pin (31) are situated outside the winding region during the winding of the coil (6) and, after the winding of the coil (6), can be bent over in such a manner that they penetrate into the coil winding region (41), characterized in that the fixing component (34) of each coil terminal component (32, 32') is secured in a recess (35) which is formed on the connecting bar (24) of a U-shaped projection (23), integrally formed on the coil former (8) and carrying fixed relay contacts (25, 27), and that, after the bending over, the intermediate piece (33) between the fixing component (34) at the one end and the terminal pin (38) with the plug pin (31) at the other end, situated in the coil winding region (41), of the coil terminal component (32, 32') is disposed, guided by the external contours of the coil former, in the form of an angle around a contact terminal component (29) of one of the fixed relay contacts (25) and at a distance therefrom.

Description

Die Erfindung betrifft ein Relais mit den Merkmalen des Oberbegriffs des Anspruchs 1.The invention relates to a relay with the features of the preamble of claim 1.

Aus der US-A-2 992 370 ist ein derartiges Relais bekannt. Dessen Spulenkörper hat zwei einander gegenüberliegende Stirnplatten, an denen sich je ein Spulenanschlussteil befindet, der mit einem Befestigungsteil an der jeweiligen Stirnplatte materialeinheitlich angeformt ist. Der Spulenanschlussteil besitzt ein sich an den Befestigungsteil anschliessendes Zwischenstück. Am freien Endbereich des Zwischenstücks ist ein separates Winkelstück mit einem Nietbolzen so befestigt, dass der eine Schenkel des Winkelstücks das freie Ende des Zwischenstücks mit einem Anschlusszapfen etwas überragt. Am Anschlusszapfen ist ein Spulendrahtende befestigt. Der andere Schenkel des Winkelstücks strebt quer vom Zwischenstück ab. Dieser abstrebende Schenkel ist als Steckzapfen ausgebildet, der in eine Leiterplatte einsetzbar ist. Das Zwischenstück befindet sich mit dem Anschlusszapfen und dem abstrebenden Steckzapfen zunächst ausserhalb des Spulenwikkelbereichs. Nach dem Wickeln der Spule wird das Zwischenstück unmittelbar am Befestigungsteil rechtwinklig umgebogen, so dass der Anschlusszapfen und der Steckzapfen in den Spulenwickelbereich gelangen. Die beiden Zwischenstücke sind dabei in einer einzigen Ebene so gegeneinander umgebogen und ausgerichtet, dass die beiden Anschlusszapfen der beiden Spulenanschlussteile einander zugewandt sind, so dass zwischen den beiden Anschlusszapfen ein nur verhältnismässig geringer Abstand besteht. Durch die Anordnung und Ausbildung der Spulenanschlussteile an den Stirnplatten des Spulenkörpers ist die Herstellung aufwendig und es besteht bei den dicht beieinander liegenden Anschlusszapfen, insbesondere bei lose durchhängenden Spulenanschlussdrähten, die Gefahr einer Funktionsbeeinträchtigung. Zudem besteht durch die in Richtung gegeneinander umgebogenen Zwischenstücke und Anschlusszapfen aufgrund des verbleibenden geringen Freiraums zwischen den beiden Spulenanschlussteilen eine starke Einschränkung in diesem Spulenwickelbereich, so dass zusätzliche Relaiskontaktanschlussteile hier nicht platzsparend vorgesehen werden können.Such a relay is known from US-A-2 992 370. Its coil former has two opposing end plates, on each of which there is a coil connecting part, which is integrally formed with a fastening part on the respective end plate. The coil connection part has an intermediate piece adjoining the fastening part. At the free end area of the intermediate piece, a separate angle piece is fastened with a rivet bolt in such a way that one leg of the angle piece projects slightly beyond the free end of the intermediate piece with a connecting pin. A coil wire end is attached to the connecting pin. The other leg of the elbow strives across from the intermediate piece. This striving leg is designed as a plug that can be inserted into a circuit board. The intermediate piece with the connecting pin and the striving plug pin is initially outside the coil winding area. After winding the coil, the intermediate piece is bent at right angles directly on the fastening part, so that the connecting pin and the plug pin reach the coil winding area. The two intermediate pieces are bent and aligned in a single plane so that the two connecting pins of the two coil connecting parts face each other, so that there is only a relatively small distance between the two connecting pins. Due to the arrangement and design of the coil connection parts on the end plates of the coil body, the production is complex and there is a risk of functional impairment in the case of the connection pins lying close together, in particular in the case of loosely sagging coil connection wires. In addition, due to the intermediate pieces and connecting pins which are bent towards one another, there is a strong restriction in this coil winding area due to the remaining small space between the two coil connection parts, so that additional relay contact connection parts cannot be provided in a space-saving manner here.

Bei einem aus der GB-A-2 029 107 bekannten nicht gattungsgemässen Relais befinden sich die getrennt vom Spulenanschlussteil hergestellten Steckzapfen in einer Grundplatte eines Gehäuses. Der Anschlusszapfen des am Spulenkörper gelagerten Spulenanschlussteils wird nach dem Wikkein der Spule zwar in den Spulenwickelbereich umgebogen, doch müssen die Spulenanschlussteile nachträglich zur Verbindung mit den Steckzapfen verlötet werden, wobei der eine Steckzapfen ausserhalb des Spulenwickelbereichs sich befindet. Die unten an der Grundplatte des Gehäuses herausragenden Zapfen sind derart quer zueinander ausgerichtet, dass sie im wesentlichen ein Rechteck bilden. Eine platzsparende Anordnung der Zapfen unmittelbar am Spulenkörper ist hier nicht vorgesehen.In the case of a relay of the generic type known from GB-A-2 029 107, the plug pins which are produced separately from the coil connection part are located in a base plate of a housing. The connection pin of the coil connection part mounted on the coil body is bent into the coil winding area after the coil has not been wound, but the coil connection parts must subsequently be soldered for connection to the plug pin, one plug pin being located outside the coil winding area. The pins protruding from the base plate of the housing are aligned transversely to one another in such a way that they essentially form a rectangle. A space-saving arrangement of the pins directly on the coil body is not provided here.

Bei einem aus der FR-A-1 236 552 bekannten nicht gattungsgemässen Relais ist der Spulenanschlussteil mit einem Zwischenstück als langgestreckte Profilschiene ausgeführt. Die Profilschiene weist an beiden Endbereichen derartige Umbiegungen auf, dass die Anschlussschiene klammerartig aussen auf die Wandung eines Isolierkörpers aufgeklipst werden kann. Der Isolierkörper befindet sich innerhalb eines Isoliergehäuses, an dessen Innenseite die Spulenanschlussschiene anliegt. Ein Umbiegen des Zwischenstücks der Anschlussschiene nach dem Wickeln der Spule ist bei diesem Relais nicht vorgesehen, so dass weder der Anschlusszapfen für das Spulendrahtende noch ein in eine Leiterplatte einsetzbarer Steckzapfen in den Spulenwickelbereich gelangen.In a relay of the generic type known from FR-A-1 236 552, the coil connection part is designed with an intermediate piece as an elongated profile rail. The profile rail has such bends at both end regions that the connecting rail can be clipped onto the wall of an insulating body in the manner of a clamp. The insulating body is located inside an insulating housing, on the inside of which the coil connecting bar rests. A bending of the intermediate piece of the connecting bar after winding the coil is not provided in this relay, so that neither the connecting pin for the coil wire end nor a plug pin that can be inserted into a printed circuit board get into the coil winding area.

Die Aufgabe der Erfindung besteht darin, ein kompaktes, einfach herzustellendes und funktionssicheres Relais anzugeben.The object of the invention is to provide a compact, easy to manufacture and reliable relay.

Diese Aufgabe wird erfindungsgemäss durch die Merkmale im kennzeichnenden Teil des Anspruchs 1 gelöst.This object is achieved according to the invention by the features in the characterizing part of claim 1.

Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben. Die nachfolgende Beschreibung bezieht sich auf die Zeichnung, die in schematischer Darstellung eine bevorzugte Ausführungsform zeigt. Es stellen dar:

  • Fig. 1 eine Seitenansicht eines erfindungsgemässen Relais in vergrösserter Darstellung,
  • Fig. 2 eine Unteransicht des Relais der Fig. 1,
  • Fig. 3 eine Ansicht von unten auf den Spulenkörper des Relais der Fig. 1 und 2 vor dem Wickeln der Spule,
  • Fig. 4 eine Vorderansicht des Spulenkörpers der Fig. 3 und
  • Fig. 5 eine gemäss der Linie V-V teilweise geschnittene Seitenansicht des Spulenkörpers der Fig. 4.
Advantageous refinements and developments of the invention are specified in the subclaims. The following description refers to the drawing, which shows a preferred embodiment in a schematic representation. They represent:
  • 1 is a side view of a relay according to the invention in an enlarged view,
  • 2 is a bottom view of the relay of FIG. 1,
  • 3 is a bottom view of the bobbin of the relay of FIGS. 1 and 2 before winding the coil,
  • Fig. 4 is a front view of the bobbin of Figs. 3 and
  • 5 is a side view, partially sectioned along line VV, of the coil former of FIG. 4.

Das in der Zeichnung dargestellte Relais 1 ist für eine Befestigung an einer Leiterplatte 2 vorgesehen, die in der Fig. 1 gestrichelt angedeutet worden ist und an ihrer Unterseite nicht dargestellte Leiterbahnen aufweist. Das Relais 1 besitzt ein Joch 3, das mit einer Rückwand 4 und einem oberen Schenkel 5 als Winkelstück ausgeführt ist. Im Winkelbereich des Jochs 3 befindet sich eine Spule 6, deren Spulendraht 7 auf einen aus Isolierstoff bestehenden Spulenkörper 8 gewickelt worden ist. Der Spulenkörper 8 besitzt eine Stirnplatte 9 und eine Rückplatte 10, welche die Spule 6 an ihren Stirnseiten begrenzen. Der Spulenkörper 8 ist von einem Kern durchsetzt, dessen Achse 11 parallel zum Schenkel 5 des Jochs 3 verläuft und die Achse der Spule 6 mitbildet. Dieser den Spulenkörper 8 tragende Kern ist an der Rückwand 4 des Jochs 3 mittels eines Nietansatzes 12 befestigt.The relay 1 shown in the drawing is provided for attachment to a printed circuit board 2, which has been indicated by dashed lines in FIG. 1 and has conductor tracks, not shown, on its underside. The relay 1 has a yoke 3, which is designed with a rear wall 4 and an upper leg 5 as an angle piece. In the angular area of the yoke 3 there is a coil 6, the coil wire 7 of which has been wound on a coil former 8 made of insulating material. The coil former 8 has an end plate 9 and a back plate 10, which limit the coil 6 on its end faces. The coil body 8 is penetrated by a core, the axis 11 of which runs parallel to the leg 5 of the yoke 3 and also forms the axis of the coil 6. This core, which carries the bobbin 8, is fastened to the rear wall 4 of the yoke 3 by means of a rivet attachment 12.

An der Rückwand 4 des Jochs 3 sind an dem der Leiterplatte 2 zugewandten Seitenrand zwei Befestigungszapfen 13 ausgebildet, die zueinander auf Abstand stehen und parallel verlaufen. Die Befestigungszapfen 13 sind in entsprechende Löcher der Leiterplatte 2 einsteckbar und können an den herausragenden freien Endbereichen zum Beispiel durch Löten, Nieten, Spreizen od. dgl. festgelegt werden. Darüber hinaus können auch an den beiden parallelen Randseiten 14 der rechteckförmigen Rückwand 4 des Jochs 3 je zwei weitere Befestigungszapfen ausgebildet sein, die im wesentlichen wie die ersten Befestigungszapfen 13 ausgeführt sind, sich jedoch zu diesen in der Ebene der Rückwand 4 rechtwinklig erstrecken. Die Befestigungszapfen 13 und die eventuell weiterhin vorgesehenen seitlichen Befestigungszapfen sind mit der Rückwand 4 des Jochs 3 zweckmässig einstückig ausgeführt und werden bei der Herstellung des Jochs 3 in einem einzigen Arbeitsgang mitausgebildet.On the rear wall 4 of the yoke 3, two fastening pins 13 are formed on the side edge facing the printed circuit board 2, which are spaced apart and run parallel. The fastening pins 13 are in corresponding holes of the circuit board 2 can be inserted and can be fixed at the projecting free end areas, for example by soldering, riveting, spreading or the like. In addition, two further fastening pins can also be formed on the two parallel edge sides 14 of the rectangular rear wall 4 of the yoke 3, which are designed essentially like the first fastening pins 13, but extend at right angles to them in the plane of the rear wall 4. The fastening pins 13 and the possibly further provided lateral fastening pins are expediently made in one piece with the rear wall 4 of the yoke 3 and are formed in one step in the manufacture of the yoke 3.

Am oberen Winkeleckbereich des Jochs 3 ist ein vorstehender Zapfenteil 15 angeordnet, an dem eine Schraubenzugfeder 16 befestigt ist. Das andere Ende der Schraubenzugfeder 16 ist an einem Vorsprung 17 eines plattenförmigen Ankers 18 festgelegt. Der Anker 18 ist an vorderen Stegteilen des Schenkels 5 klappbar gelagert und befindet sich vor der Ebene der Stirnplatte 9 des Spulenkörpers 8. An der Vorderfläche des Ankers 18 ist ein dünnes Kontaktfederblech 19 befestigt, das einen oder mehrere Schaltkontakte 20 aufweist. Am Anker 18 ist zudem eine Metallitze 21 befestigt, die mit ihrem anderen Ende auf der Oberseite des Schenkels 5 festgelegt ist.At the upper angular corner area of the yoke 3, a projecting pin part 15 is arranged, on which a helical tension spring 16 is fastened. The other end of the tension coil spring 16 is fixed to a projection 17 of a plate-shaped armature 18. The armature 18 is mounted on front web parts of the leg 5 such that it can be folded and is located in front of the plane of the end plate 9 of the coil former 8. A thin contact spring plate 19 is fastened to the front surface of the armature 18 and has one or more switching contacts 20. A metal braid 21 is also attached to the armature 18 and is fixed at its other end to the upper side of the leg 5.

Die Stirnplatte 9 des Spulenkörpers 8 ist, wie auch der Fig. 4 zu entnehmen ist, als Rechteckplatte ausgeführt und besitzt drei zueinander rechtwinklig verlaufende Schmalseiten 22, die alle in gleichem Abstand zur Achse 11 des Kerns angeordnet sind. Die Abstände sind so bemessen, dass durch die wahlweise Anlage einer der Schmalseiten 22 an der Innenfläche des Schenkels 5 auf einfache Weise eine gegen Verdrehung gesicherte Arretierung des um die Achse 11 wendbaren Spulenkörpers 8 am Joch 3 gegeben ist.The end plate 9 of the bobbin 8, as can also be seen in FIG. 4, is designed as a rectangular plate and has three narrow sides 22 which run at right angles to one another and are all arranged at the same distance from the axis 11 of the core. The distances are dimensioned such that the optional abutment of one of the narrow sides 22 on the inner surface of the leg 5 in a simple manner ensures that the bobbin 8, which can be rotated about the axis 11, is locked against the yoke 3 against rotation.

Der Spulenkörper 8 besitzt unten an der Stirnplatte 9 einen U-förmigen Ansatz 23, dessen Verbindungssteg 24 an der Leiterplatte 2 anliegt. Der eine Seitenschenkel des Ansatzes 23 hat einen oder mehrere Relaiskontakte 25, die als Arbeitskontakte ausgeführt sind, während der parallel verlaufende Freischenkel 26 des Ansatzes 23 einen oder mehrere als Ruhekontakte ausgebildete Relaiskontakte 27 trägt. An diesem Ruhekontakt 27 liegt der Schaltkontakt 20 des Ankers 18 bei nicht eingeschaltetem Magnetfeld aufgrund der Kraft der Schraubenzugfeder 16 an. Im Mittenbereich des Ansatzes 23 befindet sich zu dessen Versteifung des Freischenkels 26 ein Quersteg 28.The bobbin 8 has at the bottom of the end plate 9 a U-shaped projection 23, the connecting web 24 abuts the circuit board 2. One side leg of the extension 23 has one or more relay contacts 25, which are designed as working contacts, while the parallel free leg 26 of the extension 23 carries one or more relay contacts 27 designed as normally closed contacts. The switch contact 20 of the armature 18 bears against this normally closed contact 27 when the magnetic field is not switched on due to the force of the helical tension spring 16. In the middle region of the extension 23 there is a crossbar 28 for stiffening the free leg 26.

An der Unterseite des Verbindungssteges 24 ragen zwei Kontaktanschlussteile 29 hervor, die zu den Relaiskontakten 25 gehören. Weiterhin sind zwei Kontaktanschlussteile 30 vorgesehen, die zu den Relaiskontakten 27 gehören. Etwa in der Mitte unter der Spule 6 sind im Bereich zwischen den Befestigungszapfen 13 des Jochs 3 und den Kontaktanschlussteilen 29 zwei Steckzapfen 31 angeordnet, die an zwei Anschlussteilen 32, 32' ausgebildet sind. Insbesondere der Fig. 2 ist zu entnehmen, dass die Befestigungszapfen 13, die Steckzapfen 31 und die Kontaktanschlussteile 29, 30 parallel zur Achse 11 in zwei parallelen Reihen angeordnet sind. Die Abstände zwischen den Befestigungszapfen 13, den Steckzapfen 31 und den Kontaktanschlussteilen 29, 30 sind dabei so bemessen, dass sie einer Rastermassteilung R entsprechen. Diese Rastermassteilung R ist in Übereinstimmung mit einer Rastermassteilung der Löcher in der Leiterplatte 2. Dadurch kann das Relais 1 jederzeit problemlos in die Leiterplatte 2 eingesteckt werden, ohne dass dazu zusätzliche Lochungsarbeiten in der Leiterplatte 2 erforderlich sind. Der Abstand zwischen den beiden Zapfenreihen quer zur Längsrichtung der Achse 11 ist doppelt so gross wie der Abstand zwischen den Zapfen in Reihenrichtung.On the underside of the connecting web 24, two contact connection parts 29 protrude, which belong to the relay contacts 25. Furthermore, two contact connection parts 30 are provided, which belong to the relay contacts 27. Approximately in the middle under the coil 6, two plug pins 31 are arranged in the area between the fastening pins 13 of the yoke 3 and the contact connection parts 29 and are formed on two connection parts 32, 32 '. 2 that the fastening pins 13, the plug pins 31 and the contact connection parts 29, 30 are arranged parallel to the axis 11 in two parallel rows. The distances between the fastening pin 13, the plug pin 31 and the contact connection parts 29, 30 are dimensioned such that they correspond to a grid pitch R. This grid pitch R is in accordance with a grid pitch of the holes in the printed circuit board 2. As a result, the relay 1 can be plugged into the printed circuit board 2 at any time without additional punching work being required in the printed circuit board 2. The distance between the two rows of pins transverse to the longitudinal direction of the axis 11 is twice as large as the distance between the pins in the row direction.

Der Anschlussteil 32, 32' besitzt ein Zwischenstück 33, das über einen Befestigungsteil 34 in einer Ausnehmung 35 des Spulenkörpers 8 gehalten ist. Dabei befindet sich beim fertigen Relais 1 der sich an den Befestigungsteil 34 anschliessende Teil des Zwischenstücks 33 in einer U-förmigen Nut 36 des Spulenkörpers 8 zwischen einem Kontaktanschlussteil 29 und einem Kontaktanschlussteil 30. Der ausserhalb der U-förmigen Nut 36 liegende Teil des Zwischenstücks 33 befindet sich in einer L-förmigen Aussparung 37 an der Seite des Spulenkörpers 8. Der Anschlussteil 32, 32' ist somit beim fertigen Relais 1 im wesentlichen winkelförmig ausgeführt und dabei auf Abstand um den einen Kontaktanschlussteil 29 gebogen. Ausserdem ist zu erkennen, dass der Anschlussteil 32, 32' an seinem freien Endbereich einen Zapfen 38 besitzt, der sich parallel zur Achse 11 erstreckt. Dieser Zapfen 38 besitzt einen weitgehend kantigen Rechteckquerschnitt, um den ein Drahtende 39 der Spule 6 gewickelt ist. Der Steckzapfen 31 des Anschlussteils 32, 32' ist derart abgewinkelt angeordnet, dass er sich im wesentlichen quer zum Zapfen 38 erstreckt. Die Fig. und 3 lassen zudem erkennen, dass im Übergangsbereich zwischen der Nut 36 und der L-förmigen Aussparung 37 am Verbindungssteg 24 des Spulenkörpers 8 eine Rundung 40 ausgebildet ist. Die L-förmige Aussparung 37 ist in Richtung zur Achse 11 etwas breiter als die Stärke des Zwischenstücks 33 ausgeführt, so dass hier ein Freiraum gegeben ist. Die beiden Anschlussteile 32,32'sind in bezug zur Achse 11 im wesentlichen spiegelsymmetrisch angeordnet. In der Endposition gemäss den Fig. 1 und 2 befinden sich die Steckzapfen 31 mit den um die Zapfen 38 gewikkelten Drahtenden 39 im unteren Bereich des Relais 1 unter der Spule 6 im Spulenwickelbereich 41 zwischen den Ebenen der Stirnplatte 9 und der Rückplatte 10 des Spulenkörpers 8.The connecting part 32, 32 'has an intermediate piece 33 which is held in a recess 35 of the coil former 8 via a fastening part 34. In the finished relay 1, the part of the intermediate piece 33 adjoining the fastening part 34 is located in a U-shaped groove 36 of the coil former 8 between a contact connecting part 29 and a contact connecting part 30. The part of the intermediate piece 33 lying outside the U-shaped groove 36 is located in an L-shaped recess 37 on the side of the bobbin 8. The connection part 32, 32 'is thus essentially angular in the finished relay 1 and is bent at a distance around the one contact connection part 29. In addition, it can be seen that the connecting part 32, 32 'has a pin 38 at its free end region which extends parallel to the axis 11. This pin 38 has a largely angular rectangular cross section, around which a wire end 39 of the coil 6 is wound. The plug pin 31 of the connecting part 32, 32 'is angled such that it extends essentially transversely to the pin 38. FIGS. 3 and 3 also show that a rounding 40 is formed in the transition region between the groove 36 and the L-shaped recess 37 on the connecting web 24 of the coil former 8. The L-shaped recess 37 is made somewhat wider in the direction of the axis 11 than the thickness of the intermediate piece 33, so that there is a free space here. The two connecting parts 32, 32 'are arranged essentially mirror-symmetrically with respect to the axis 11. 1 and 2, the plug pins 31 with the wire ends 39 wound around the pins 38 are located in the lower area of the relay 1 under the coil 6 in the coil winding area 41 between the planes of the face plate 9 and the back plate 10 of the coil body 8 .

Bei der Herstellung im Spulenwickelautomaten befinden sich die Anschlussteile 32, 32' gemäss der Darstellung in den Fig. bis 5 in einer im wesentlichen gestreckt ausgerichteten Position, wobei die Zapfen 38 und Steckzapfen 31 ausserhalb des Spulenwickelbereichs 41 liegen. Dabei wird ein Drahtende" 39 (Spulenanfang) um den Zapfen 38 des Spulenanschlusstells 32 gewunden. Dieses Umwinden des Drahtendes 39 um den Zapfen 38 kann mit einer solchen definierten Drahtvorspannung durchgeführt werden, dass insbesondere an den Kanten des Zapfens 38 die Isolation des Spulendrahtes 7 durchtrennt wird und eine einwandfreie zuverlässige Kontaktverbindung entsteht. Alternativ oder zusätzlich kann auch eine Lötverbindung an dieser Stelle durchgeführt werden. Sodann wird der Spulendraht 7 um den Spulenkörper 8 gewickelt. Nach dem Erreichen der erforderlichen Spulenwindungszahl wird das andere Drahtende 39 (Spulenende) um den Zapfen 38 des anderen Anschlussteils 32' gewunden, was wie zuvor beschrieben ebenfalls vollautomatisch und mit entsprechender Drahtvorspannung erfolgen kann. Nachdem auch dieses Drahtende 39 ausserhalb des Spulenwickelbereichs 41 festgelegt worden ist, wird der Draht abgetrennt. Hiernach werden die beiden Anschlussteile 32, 32' zweckmässig gleichzeitig zusammen spiegelsymmetrisch um die Kontaktanschlussteile 29 in Richtung zum Spulenwickelbereich 41 gebogen. Dieses Biegen der Anschlussteile 32, 32' erfolgt mit einem Radius im Bereich des Zwischenstücks 33 um die im wesentlichen halbkreisförmige Rundung 40. Durch den Freiraum im Bereich der L-förmigen Aussparung 37 ist es möglich, das Zwischenstück 33 etwas über 90 Grad hinaus zu biegen. Nach der Wegnahme der Biegekraftstellen sich dann die Anschlussteile 32, 32' aufgrund ihrer Materialspannung so zurück, dass eine im wesentlichen 90 Grad-Winkelabbiegung gegeben ist, wie sie in der Fig. 2 dargestellt ist. Beim Umbiegen der Anschlussteile 32, 32' gelangt mit dem Zapfen 38, an dem das Drahtende 39 befestigt ist, gleichzeitig auch der Steckzapfen 31 in den Spulenwickelbereich 41, wobei sich die in der Fig. dargestellte Rastermass-Reihenanordnung ergibt. Der Fig. 2 ist ausserdem zu entnehmen, dass der Teil des Spulendrahtes 7 zwischen seinem festgelegten Drahtende 39 und dem Körperteil der Spule 6 vorspannungsfrei ist, so dass hier im Betriebszustand keine Kraftbeanspruchungen auftreten und daraus resultierende Beeinträchtigungen vermieden sind.When manufactured in the automatic bobbin winder, the connecting parts 32, 32 'are in a substantially stretched position as shown in FIGS. 5 to 5, the pins 38 and plug pins 31 being outside the bobbin winding area 41. Thereby, a wire end "39 (coil start) around the Pin 38 of the coil connection 32 coiled. This winding around the wire end 39 around the pin 38 can be carried out with such a defined wire pretension that the insulation of the coil wire 7 is severed in particular at the edges of the pin 38 and a flawless, reliable contact connection is produced. Alternatively or additionally, a solder connection can also be carried out at this point. The coil wire 7 is then wound around the coil former 8. After the required number of coil turns has been reached, the other wire end 39 (coil end) is wound around the pin 38 of the other connecting part 32 ', which, as described above, can also be carried out fully automatically and with appropriate wire pretension. After this wire end 39 has also been fixed outside the coil winding area 41, the wire is cut off. Thereafter, the two connection parts 32, 32 'are expediently bent together in mirror symmetry around the contact connection parts 29 in the direction of the coil winding area 41. This bending of the connecting parts 32, 32 'takes place with a radius in the area of the intermediate piece 33 around the essentially semicircular curve 40. The free space in the area of the L-shaped recess 37 makes it possible to bend the intermediate piece 33 a little more than 90 degrees . After the bending force has been removed, the connecting parts 32, 32 ', due to their material tension, move back so that there is an essentially 90 degree angle bend, as shown in FIG. 2. When the connecting parts 32, 32 'are bent over, the plug 38, to which the wire end 39 is fastened, also at the same time pushes the plug-in pin 31 into the coil winding area 41, resulting in the row arrangement shown in the figure. It can also be seen from FIG. 2 that the part of the coil wire 7 between its fixed wire end 39 and the body part of the coil 6 is free of prestress, so that in the operating state no force stresses occur and the resulting impairments are avoided.

Claims (9)

1. Relay comprising a coil (6) wound on a coil former (8), with terminal components (32, 32') associated with the ends of the coil wires, each of which terminal components comprises a fixing component (34) held on the coil former (8), an intermediate piece (33), a terminal pin (38) for one coil wire end (39) and, orientated transversely thereto, a plug pin (31) which can be inserted into a printed circuit board (2), wherein intermediate piece (33), terminal pin (38) and plug pin (31) are situated outside the winding region during the winding of the coil (6) and, after the winding of the coil (6), can be bent over in such a manner that they penetrate into the coil winding region (41), characterized in that the fixing component (34) of each coil terminal component (32, 32') is secured in a recess (35) which is formed on the connecting bar (24) of a U-shaped projection (23), integrally formed on the coil former (8) and carrying fixed relay contacts (25, 27), and that, after the bending over, the intermediate piece (33) between the fixing component (34) at the one end and the terminal pin (38) with the plug pin (31) at the other end, situated in the coil winding region (41), of the coil terminal component (32, 32') is disposed, guided by the external contours of the coil former, in the form of an angle around a contact terminal component (29) of one of the fixed relay contacts (25) and at a distance therefrom.
2. Relay according to the preceding claim, characterized in that the intermediate piece (33), bent to angular form, of the coil terminal component (32, 32') lies, in the region of its bend, with its internal surface against a rounded zone (40) formed on the connecting bar (24) of the U-shaped projection (23).
3. Relay according to one of the preceding claims, characterized in that the rounded zone (40) is formed in the transition region between a U-shaped groove (36) situated in the connecting bar (24) and an L-shaped recess (37) provided on the outer side of the coil former (8), and that the part of the angle-shaped intermediate piece (33) adjoining the fixing component (34) is seated in the U-shaped groove (36) and the part of the intermediate piece (33) which carries the terminal pin (38) and the plug pin (31) is seated in the L-shaped recess (37).
4. Relay according to one of the preceding claims, characterized in that the part of the intermediate piece (33) adjoining the fixing component (34) and seated in the U-shaped groove (36) of the coil former (8) is disposed between a contact terminal component (29) associated with a make contact (25) and another contact terminal component (30) associated with a break contact (27).
5. Relay according to one of claims 3 or 4, characterized in that the L-shaped recess (37) extending on the outer side of the coil former (8) and adjoining the rounded zone (40) is formed with a free space deeper than the thickness of the intermediate piece (33) for a bending of the coil terminal component (32, 32') towards the axis (11) of the coil (6) exceeding 90°.
6. Relay according to one of the preceding claims, characterized in that the coil terminal component (32, 32') with its intermediate piece (33), the fixing component (34), the terminal pin (38) and the plug pin (31) is formed in total of uniform material in one piece.
7. Relay according to one of the preceding claims, characterized in that the plug pin (31) of the coil terminal component (32, 32') which is bent, after winding of the coil (6), jointly with the terminal pin (38) into the coil winding region (41) is disposed at the same grid spacing (R), transversely to the axis (11) of the coil (6), in a row with the contact terminal components (29, 30) of the fixed relay contacts (25, 27) and a fixing pin (13) of a yoke (3), on which the coil former (8) is mounted.
8. Relay according to one of the preceding claims, characterized in that the plug pin (31), situated with the terminal pin (38) at the end of the angle-shaped intermediate piece (33), of the coil terminal component (32, 32') is disposed approximately at the centre beneath the coil (6) in the region between the fixing pin (13) of the yoke (3) and the contact terminal component (29) associated with the make contact (25).
9. Relay according to one of the preceding claims, characterized in that the fixing pins (13) of the yoke (3) and the plug pins (31) of the coil terminal components (32, 32') are disposed dual-in-line with the other contact terminal components (29, 30) of the relay contacts (25, 27).
EP82102813A 1981-12-18 1982-04-02 Relay Expired EP0082238B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82102813T ATE21792T1 (en) 1981-12-18 1982-04-02 RELAY.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3150125A DE3150125C2 (en) 1981-12-18 1981-12-18 relay
DE3150125 1981-12-18

Publications (2)

Publication Number Publication Date
EP0082238A1 EP0082238A1 (en) 1983-06-29
EP0082238B1 true EP0082238B1 (en) 1986-08-27

Family

ID=6149045

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82102813A Expired EP0082238B1 (en) 1981-12-18 1982-04-02 Relay

Country Status (6)

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EP (1) EP0082238B1 (en)
AT (1) ATE21792T1 (en)
BR (1) BR8203284A (en)
DE (2) DE3150125C2 (en)
ES (2) ES8401673A1 (en)
PT (1) PT74690B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3338182A1 (en) 1983-10-20 1985-05-02 Siemens AG, 1000 Berlin und 8000 München ELECTROMAGNETIC RELAYS AND METHOD FOR THE PRODUCTION THEREOF
JPH0723882Y2 (en) * 1988-03-14 1995-05-31 オムロン株式会社 Coil connection structure in electromagnetic relay
DE8815777U1 (en) * 1988-12-20 1990-04-26 Stribel Gmbh, 7443 Frickenhausen, De
EP0513010B1 (en) * 1990-01-30 1994-03-16 Siemens Aktiengesellschaft Electromagnetic relay
IL141904A (en) 1998-12-09 2004-09-27 Aprion Digital Ltd Laser-initiated ink-jet print head
KR20210020336A (en) * 2019-08-14 2021-02-24 현대자동차주식회사 Relay

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2992370A (en) * 1956-09-11 1961-07-11 Gen Motors Corp Electrical coil structure
FR1236552A (en) * 1959-06-08 1960-07-22 Telemecanique Electrique Improvements to so-called withdrawable relays
DE2612582C3 (en) * 1976-03-24 1978-11-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Process for the production of a bobbin with injected connection pins
DE2737573A1 (en) * 1977-08-17 1979-03-01 Siemens Ag Relay coil with tags on coil former flange - has wire ends bent over deflecting element forming U=shaped loop for tensile relief
DE2835963C2 (en) * 1978-08-17 1985-12-19 Robert Bosch Gmbh, 7000 Stuttgart Electromagnetic relay

Also Published As

Publication number Publication date
DE3150125C2 (en) 1988-05-05
DE3272826D1 (en) 1986-10-02
PT74690B (en) 1983-11-08
ATE21792T1 (en) 1986-09-15
PT74690A (en) 1982-05-01
ES274156U (en) 1984-01-16
BR8203284A (en) 1983-12-20
DE3150125A1 (en) 1983-07-07
ES274156Y (en) 1984-08-01
ES512795A0 (en) 1983-12-16
ES8401673A1 (en) 1983-12-16
EP0082238A1 (en) 1983-06-29

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