EP0082238B1 - Relais - Google Patents

Relais 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
Other languages
German (de)
English (en)
Other versions
EP0082238A1 (fr
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
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6149045&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0082238(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by HERMANN STRIBEL oHG filed Critical HERMANN STRIBEL oHG
Priority to AT82102813T priority Critical patent/ATE21792T1/de
Publication of EP0082238A1 publication Critical patent/EP0082238A1/fr
Application granted granted Critical
Publication of EP0082238B1 publication Critical patent/EP0082238B1/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus 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
    • H01F41/02—Apparatus 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
    • H01F41/04—Apparatus 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
    • H01F41/10—Connecting leads to windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H49/00—Apparatus or processes specially adapted to the manufacture of relays or parts thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/44—Magnetic coils or windings
    • H01H50/443—Connections to coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/04—Arrangements of electric connections to coils, e.g. leads
    • H01F2005/046—Details of formers and pin terminals related to mounting on printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5822—Flexible connections between movable contact and terminal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/44—Magnetic coils or windings
    • H01H2050/446—Details 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.

Claims (9)

1. Relais, avec une bobine (6) bobinée sur un corps de bobine (8), avec'des pièces de raccordement (32, 32') associées aux extrémités du fil de la bobine, et dont chacune comporte une partie de fixation (34) maintenue sur le corps de bobine (8), un tronçon intermédiaire (33), une broche de raccordement (38) pour une extrémité (39) du fil de la bobine ainsi qu'une broche d'enfichage (31) s'étendant transversalement par rapport à cette broche de raccordement et susceptible d'être enfichés dans une plaque de circuits imprimés (2), le tronçon intermédiaire (33), la broche de raccordement (38), et la broche d'enfichage (31) se trouvant, pendant le bobinage de la bobine (6), en dehors de la zone de bobinage et étant susceptibles d'être recourbés après le bobinage de la bobine (6) de façon qu'elle pénètre dans la zone de bobinage (41), relais caractérisé en ce que la partie de fixation (34) de chaque pièce de raccordement de la bobine (32, 32') est fixée dans un évidement (35) qui est ménagé sur la traverse de jonction (24) d'un appendice en forme de U (23) formé sur le corps de bobine (8) et portant des contacts fixes de relais (25, 27), tandis qu'après le recourbement du tronçon intermédiaire (33) entre la partie de fixation (34) à une extrémité et la broche de raccordement (38) avec la broche d'en- fichage (31) à l'autre extrémité, l'extrémité de la pièce de raccordement de la bobine (32, 32') se trouvant dans la zone de bobinage (41) est disposée, en étant guidée par les contours externes du corps de bobine, en forme d'équerre autour d'une pièce de raccordement (29) d'un des contacts fixes de relais (25), et s'étend à une certaine distance de cette pièce.
2. Relais selon la précédente revendication, caractérisé en ce que le tronçon intermédiaire (33), courbé en forme d'équerre, de la pièce de raccordement de la bobine (32, 32') s'applique par sa surface interne, dans la zone de son point de courbure, contre un arrondi (40) ménagé sur la traverse de jonction (24) de l'appendice en forme de U (23).
3. Relais selon une des précédentes revendications, caractérisé en ce que l'arrondi (40) est ménagé dans la zone de transition entre une gorge en forme de U (36) se trouvant dans la traverse de jonction (24) et un évidement en forme de L (37) prévu sur le côté externe du corps de bobine (8), et que la partie, se raccordant à la partie de fixation (34) du tronçon . intermédiaire en forme d'équerre (33) est placée dans la gorge en forme de U (36) tandis que la partie, portant la broche de raccordement (38) et la broche d'enfichage (31), du tronçon intermédiaire (33) est placée dans l'évidement en forme de L (37).
4. Relais selon une des précédentes revendications, caractérisé en ce que la partie se raccordant à la partie de fixation (34) et placée dans la gorge en forme de U (36) du corps de bobine (8), du tronçon intermédiaire (33) est disposée entre une pièce de raccordement (29) associée à un contact de travail (25) et une autre pièce de raccordement (30) associée à un contact de repos (27).
5. Relais selon une des revendications 3 ou 4, caractérisé en ce que l'évidement en forme de L (37), s'étendant sur le côté externe du corps de bobine (8) et se raccordant à l'arrondi (40), est prévu avec un espace libre plus profond que l'épaisseur du tronçon intermédiaire (33) en direction de l'axe (11) de la bobine pour un recourbement de la pièce de raccordement de la bobine (32, 32') au-delà de 90°.
6. Relais selon une des précédentes revendications, caractérisé en ce que la pièce de raccordement à la bobine (32, 32'), avec son tronçon intermédiaire (33), sa partie de fixation (34), sa broche de raccordement (38), et sa broche d'enfichage (31), est réalisée au total d'une seule pièce avec un matériau unique.
7. Relais selon une des précédentes revendications, caractérisé en ce que la broche d'enfichage (31) de la pièce de raccordement à la bobine (32, 32'), repliée après le bobinage de la bobine (6) en commun avec la broche de raccordement (38) dans la zone de bobinage (41), est disposée transversalement par rapport à l'axe (11) de la bobine (6) à une même distance modulaire (R) en alignement avec les pièces de raccordement (29, 30) des contacts fixes (25, 27) du relais et avec un téton de fixation (13) d'une culasse (3) sur laquelle est monté le corps de bobine (8).
8. Relais selon une des précédentes revendications, caractérisé en ce que la broche d'enfichage (31), se trouvant avec la broche de raccordement (38) à l'extrémité du tronçon intermédiaire (33) en forme d'équerre, de la pièce de raccordement à la bobine (32, 32'), est disposée dans la milieu au-dessous de la bobine (6) dans la zone entre le téton de fixation (13) de la culasse (3) et la pièce de raccordement (29) associée au contact de travail (25).
9. Relais selon une des précédentes revendications, caractérisé en ce que les tétons de fixation (13) de la culasse (3) et les broches d'enfichage (31) des pièces de raccordement à la bobine (32, 32') avec les autres pièces de raccordement (29, 30) des contacts (25, 27) du relais, sont disposés deux à deux en ligne.
EP82102813A 1981-12-18 1982-04-02 Relais Expired EP0082238B1 (fr)

Priority Applications (1)

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

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3150125 1981-12-18
DE3150125A DE3150125C2 (de) 1981-12-18 1981-12-18 Relais

Publications (2)

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

Family

ID=6149045

Family Applications (1)

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

Country Status (6)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3338182A1 (de) 1983-10-20 1985-05-02 Siemens AG, 1000 Berlin und 8000 München Elektromagnetische relais und verfahren zu dessen herstellung
JPH0723882Y2 (ja) * 1988-03-14 1995-05-31 オムロン株式会社 電磁継電器におけるコイル接続構造
DE8815777U1 (fr) * 1988-12-20 1990-04-26 Stribel Gmbh, 7443 Frickenhausen, De
US5235301A (en) * 1990-01-30 1993-08-10 Siemens Aktiengesellschaft Electromagnetic relay
IL127484A (en) 1998-12-09 2001-06-14 Aprion Digital Ltd Laser container printing method and method
KR20210020336A (ko) * 2019-08-14 2021-02-24 현대자동차주식회사 릴레이

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 (fr) * 1959-06-08 1960-07-22 Telemecanique Electrique Perfectionnements aux relais dits débrochables
DE2612582C3 (de) * 1976-03-24 1978-11-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Herstellung eines Spulenkörpers mit eingespritzten Anschlußstiften
DE2737573A1 (de) * 1977-08-17 1979-03-01 Siemens Ag Spule mit anschlusselementen, die zur zugentlastung der drahtenden abgebogen werden
DE2835963C2 (de) * 1978-08-17 1985-12-19 Robert Bosch Gmbh, 7000 Stuttgart Elektromagnetisches Relais

Also Published As

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

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