FR2633446A1 - Electromagnetic relay including a base made of an insulating material - Google Patents
Electromagnetic relay including a base made of an insulating material Download PDFInfo
- Publication number
- FR2633446A1 FR2633446A1 FR8905684A FR8905684A FR2633446A1 FR 2633446 A1 FR2633446 A1 FR 2633446A1 FR 8905684 A FR8905684 A FR 8905684A FR 8905684 A FR8905684 A FR 8905684A FR 2633446 A1 FR2633446 A1 FR 2633446A1
- Authority
- FR
- France
- Prior art keywords
- relay
- printed circuit
- circuit board
- base
- stud
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0039—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a tubular housing wherein the PCB is inserted longitudinally
-
- 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
- H01H1/5805—Connections to printed circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H50/047—Details concerning mounting a relays
- H01H50/048—Plug-in mounting or sockets
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/306—Lead-in-hole components, e.g. affixing or retention before soldering, spacing means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10053—Switch
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10431—Details of mounted components
- H05K2201/10568—Integral adaptations of a component or an auxiliary PCB for mounting, e.g. integral spacer element
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10431—Details of mounted components
- H05K2201/10598—Means for fastening a component, a casing or a heat sink whereby a pressure is exerted on the component towards the PCB
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Multi-Conductor Connections (AREA)
Abstract
Description
"Relais électromagnétique comportant une embase en matériau isolant". "Electromagnetic relay comprising a base made of insulating material".
La présente invention concerne un relais électromagnétique comportant une embase en un matériau isolant portant les fiches de raccordement électriques, embase qui comporte sur sa face inférieure un goujon qui, pour établir le contact des pie ces de raccordement du relais et des conducteurs d'un organe de support, peut se loger dans un passage correspondant de l'organe de support. The present invention relates to an electromagnetic relay comprising a base made of an insulating material carrying the electrical connection plugs, base which comprises on its underside a stud which, in order to make contact with the connection parts of the relay and the conductors of an organ support, can be housed in a corresponding passage of the support member.
Un tel relais connu selon DE-AS 21 31 478 et sur la face inférieure de l'embase du relais, il est prévu un goujon de guidage qui garantit que le relais soit placé dans une position correcte dans un socle d'enfichage pour le contact. Le contact se fait ainsi par une liaison de type baïonnette en forme de fiche qui se loge par une liaison de force dans les douilles d'enfichage de raccordement d'un socle d'enfichage. Such a relay known according to DE-AS 21 31 478 and on the underside of the relay base, a guide pin is provided which guarantees that the relay is placed in a correct position in a socket for contact . The contact is thus made by a bayonet-type connection in the form of a plug which is housed by a force connection in the plug-in sockets for connection of a plug-in base.
Grâce à la mise en contact par une liaison de force, le relais est fixé sur son socle d'enfichage même sous l'effet des secousses violentes et le goujon de guidage ainsi que l'orifice de forme correspondante réalisés dans le socle d'enfichage assurent uniquement que lors de la mise en contact avec le socle d'enfichage, le relais prenne une position correcte.Thanks to the contacting by a force connection, the relay is fixed on its plug-in base even under the effect of violent tremors and the guide pin as well as the corresponding shaped orifice made in the plug-in base only ensure that when it comes into contact with the plug-in socket, the relay takes a correct position.
Lorsqu'on utilise des relais sur des plaques de circuits imprimés dans des dispositifs de commande et de commutation, de telles solutions présentent des inconvénients, car pour une mise en contact totalement automatique des fiches de raccordement du relais et des chemins conducteurs de la plaque conductrice par le procédé dit de soudage à la vague, il est souhaitable avoir une fixation certaine du relais sur la plaque de circuit imprimé dès avant l'établissement du contact, c'est-à-dire avant et pendant l'opération de soudage. Il est connu pour cela de fendre ou de tordre les fiches de raccordement du relais pour le bloquer sur la plaque de circuit imprimé une fois un relais enfiché et cela au cours d'une opération particulière. When relays are used on printed circuit boards in control and switching devices, such solutions have drawbacks, because for a fully automatic contacting of the relay connection plugs and the conductive paths of the conductive plate by the process known as wave welding, it is desirable to have a certain fixing of the relay on the printed circuit board from before the establishment of the contact, that is to say before and during the welding operation. It is known for that to split or bend the relay connection plugs to block it on the printed circuit board once a relay is plugged in during a particular operation.
La présente invention se propose de bloquer le relais sur sa plaque de circuit imprimé avant et pendant l'opération de soudage sans travail supplémentaire ou sans modifier la succession des opérations de montage lors de la mise en contact du relais et de la plaque. The present invention proposes to block the relay on its printed circuit board before and during the welding operation without additional work or without modifying the succession of mounting operations when the relay and the plate are brought into contact.
A cet effet, l'invention concerne un relais électromagnétique du type ci-dessus, caractérisé en ce que le goujon est diminué à son extrémité et la partie située au-dessus présente une zone périphérique dont le diamètre est supérieur à celui du passage et en ce que l'organe de support portant le relais est une plaque de circuit imprimé munie de chemins conducteurs, plaque sur laquelle on fixe, par la forme, le relais par son goujon venant prendre dans le passage. To this end, the invention relates to an electromagnetic relay of the above type, characterized in that the stud is reduced at its end and the part situated above has a peripheral zone whose diameter is greater than that of the passage and in that the support member carrying the relay is a printed circuit board provided with conductive paths, a plate on which the relay is fixed, by its stud, coming to take in the passage.
Du fait du dimensionnement du goujon en saillie de la face inférieure de l'embase du relais et de celle du passage dans la plaque de circuit imprimé, on réalise une fixation solidaire en rotation et une liaison par la forme, suffisante du relais sur sa plaque conductrice avant et pendant la mise en contact du relais et des chemins conducteurs de la plaque de circuit imprimé, de façon simple, sans modifier la succession des opérations de montage. Cette solution ne présente aucun effet gênant si l'on veut étamer les fiches de raccordement qui dépassent de l'embase du relais avant de monter le relais. La force de pression par laquelle le relais est bloqué sur la plaque du circuit imprimé est définie uniquement par le choix de la forme et des dimensions du goujon de fixation et du passage correspondant de la plaque de circuit imprimé. Due to the dimensioning of the stud projecting from the underside of the relay base and that of the passage in the printed circuit board, a rotational fixing is carried out and a connection by the form, sufficient of the relay on its plate conductive before and during the contacting of the relay and the conductive paths of the printed circuit board, in a simple manner, without modifying the sequence of assembly operations. This solution has no annoying effect if you want to tin the connection plugs that protrude from the relay base before mounting the relay. The pressure force by which the relay is blocked on the printed circuit board is defined only by the choice of the shape and dimensions of the fixing stud and the corresponding passage of the printed circuit board.
Suivant une autre caractéristique de l'invention, le goujon de fixation de l'embase comporte trois nervures longitudinales réparties régulièrement à sa périphérie. According to another characteristic of the invention, the fixing pin of the base has three longitudinal ribs regularly distributed around its periphery.
Suivant une autre caractéristique de l'invention, le goujon de fixation comporte une fente#lon- gitudinale pour compenser- les tolérances. According to another characteristic of the invention, the fixing stud has a longitudinal slot # to compensate for the tolerances.
Suivant une autre caractéristique de l'in vention, . l'extrémité du goujon de fixation est diminuée de manière conique. According to another characteristic of the invention,. the end of the fixing stud is tapered.
Suivant une autre caractéristique de l'invention, les pièces de raccordement en saillie par rapport au dos de l'embase traversent de manière connue en soi des passages correspondants de la plaque de circuit imprimé et sont mises en contact avec les chemins conducteurs prévus au dos de la plaque de circuit imprimé. According to another characteristic of the invention, the connecting parts projecting relative to the back of the base pass in known manner through corresponding passages of the printed circuit board and are brought into contact with the conductive paths provided on the back of the printed circuit board.
Enfin, suivant une autre caractéristique de l'invention, les pièces de raccordement en saillie par rapport au dos de l'embase du relais sont mises en contact avec les chemins conducteurs sur la face de la plaque de circuit imprimé tournée vers le relais. Finally, according to another characteristic of the invention, the connecting parts projecting from the back of the relay base are brought into contact with the conductive paths on the face of the printed circuit board facing the relay.
En d'autres termes, il est particulièrement avantageux pour éviter des tolérances plus strictes lors de la réalisation du goujon et du passage correspondant pour le goujon de fixation, d'avoir sur celuici trois nervures longitudinales, régulières, réparties à sa périphérie. A la place de trois nervures longitudinales ou en plus de celles-ci, on peut également prévoir une fente longitudinale dans le goujon de fixation pour compenser les tolérances et permettre de bloquer le goujon de fixation avec la force de pression suffisante sur la plaque du circuit imprimé. Cette solution convient à la fois pour un relais de circuit imprimé que pour un relais destiné à être fixé selon la technique SMD sur des plaques hybrides.Dans le cas de relais pour circuits imprimés, dont les pièces de raccordement sont en saillie par rapport au dos ce l'embase du relais, et traversent des passages correspondants de la plaque de circuit imprimé, on réalise le contact avec les chemins conducteurs au dos de la plaque du circuit imprimé. Dans le cas du montage de relais sur des circuits hybrides, les fiches de raccordement en saillie par rapport au dos de l'embase du relais doivent être reliées électriquement aux chemins conducteurs de la face de la plaque du circuit tournée vers le relais. Dans les deux cas, le relais est fixé de manière s're avant et pendant la mise en contact avec soudage grâce au goujon de fixation sur la plaque de support ou plaque de circuit imprimé. In other words, it is particularly advantageous to avoid tighter tolerances during the production of the stud and of the corresponding passage for the fixing stud, to have thereon three longitudinal ribs, regular, distributed at its periphery. Instead of or in addition to three longitudinal ribs, it is also possible to provide a longitudinal slot in the fixing stud to compensate for the tolerances and allow the fixing stud to be blocked with the sufficient pressure force on the circuit plate. printed. This solution is suitable both for a printed circuit relay and for a relay intended to be fixed according to the SMD technique on hybrid plates. In the case of a printed circuit relay, the connection parts of which protrude from the back this relay base, and through corresponding passages of the printed circuit board, contact is made with the conductive paths on the back of the printed circuit board. In the case of relay mounting on hybrid circuits, the connection plugs projecting from the back of the relay base must be electrically connected to the conductive paths of the face of the circuit board facing the relay. In both cases, the relay is fixed so before and during the contacting with welding by means of the fixing stud on the support plate or printed circuit plate.
La présente invention sera décrite de manière plus détaillée à l'aide des dessins annexés, dans lesquels - la figure 1 est une vue en perspective d'un relais pour circuit imprimé avec un goujon de fixation. The present invention will be described in more detail with the aid of the accompanying drawings, in which - Figure 1 is a perspective view of a relay for a printed circuit with a fixing stud.
- la figure 2 montre le relais de la figure 1 avant sa mise en place sur une plaque de circuit imprimé.- Figure 2 shows the relay of Figure 1 before its installation on a printed circuit board.
Description de l'exemple de réalisation
La figure 1 montre un relais électromagnétique sous la forme d'un relais pour circuit imprimé destiné à un dispositif de commande non représenté d'un véhicule à moteur ; ce relais porte la référence 10. Il comporte une embase 12 en matière isolante por tant les fiches de branchement électriques 11. L'embase 12 porte les parties actives non représentées du relais comme la culasse, la bobine, l'induit, les plaquettes de commutation etc encapsulés par le boîtier 13. Sur la face inférieure de l'embase 12, on a un goujon de fixation 14 qui bloque en place le relais avant et pendant son brasage sur une plaque de circuit imprimé 15.Description of the exemplary embodiment
FIG. 1 shows an electromagnetic relay in the form of a printed circuit relay intended for a control device, not shown, of a motor vehicle; this relay carries the reference 10. It comprises a base 12 made of insulating material for the electrical connection plugs 11. The base 12 carries the active parts not shown of the relay such as the cylinder head, the coil, the armature, the plates of switching etc encapsulated by the housing 13. On the underside of the base 12, there is a fixing stud 14 which blocks the relay in place before and during its soldering on a printed circuit board 15.
La figure 2 montre que le goujon de fixation 14 présente une extrémité 14a conique ou arrondie pour faciliter son introduction dans la plaque de circuit imprimé 15. De plus du côté de 1'embase 12, son diamètre 'D est supérieur au diamètre d de l'orifice 16 de la plaque de circuit imprimé 15 qui se trouve endessous ; dans cet exemple 2, il s'agit par exemple d'un trou circulaire percé ou matricé. Pour les fiches de raccordement 11, il y a des passages 17 de forme correspondante dans la plaque de circuit imprimé 15 ces passages sont des fentes allongées. Les passages 17 sont dimensionnés pour que les fiches de raccordement 11 lors du montage du relais 10 traversent ces passages avec un certain jeu et soient rises en contact par le brasage automatique sur les chemins conducteurs correspondants 18 au dos de la plaque de circuit imprimé 15. Figure 2 shows that the fixing stud 14 has a conical or rounded end 14a to facilitate its introduction into the printed circuit board 15. In addition on the side of the base 12, its diameter 'D is greater than the diameter d of l orifice 16 of the printed circuit board 15 which is located below; in this example 2, it is for example a circular hole drilled or stamped. For the connection plugs 11, there are passages 17 of corresponding shape in the printed circuit board 15 these passages are elongated slots. The passages 17 are dimensioned so that the connection plugs 11 during the mounting of the relay 10 pass through these passages with a certain clearance and are brought back into contact by automatic soldering on the corresponding conductive paths 18 on the back of the printed circuit board 15.
Pour arriver à la force d'application nécessaire entre le goujon de fixation 14 et le passage 16 réalisé dans la plaque de circuit imprimé 15 au moment du montage du relais 10, le goujon de fixation comporte selon la figure 1, trois nervures longitudinales 19 réparties régulièrement à sa périphérie. Le matériau en excédent sur le goujon de fixation 14 lors du formage ou au niveau de passage 16 peut s'échapper dans ce cas également dans les intervalles entre les nervures longitudinales 19.On réalise une force de pres sion qui se détermine de manière suffisamment précise même avec des tolérances de fabrication relativement importantes au niveau du goujon de fixation 14 ou de son passage 16 dans la plaque de circuit imprimé 15 en munissant le goujon de fixation 14 d'une fente longitudinale 20, complémentaire, profonde, grâce à laquelle les nervures longitudinales 19 peuvent s'échapper élastiquement lorsqu'elles sont enfoncées dans le passage 16. To arrive at the necessary application force between the fixing stud 14 and the passage 16 made in the printed circuit board 15 at the time of mounting the relay 10, the fixing stud comprises according to FIG. 1, three longitudinal ribs 19 distributed regularly at its periphery. The material in excess on the fixing stud 14 during forming or at the passage level 16 can escape in this case also in the intervals between the longitudinal ribs 19. A pressure force is produced which is determined with sufficient precision even with relatively large manufacturing tolerances at the level of the fixing stud 14 or its passage 16 in the printed circuit board 15 by providing the fixing stud 14 with a longitudinal slot 20, complementary, deep, thanks to which the ribs longitudinal 19 can escape elastically when they are inserted into passage 16.
Le cas échéant, à l'extrémité du goujon de fixation 14, on peut également former un bec de retenue qui s'accroche au dos de la plaque du circuit imprimé. Dans ce cas, on peut choisir des tolérances de fabrication encore plus strictes pour la position et les dimensions du passage 16 dans la plaque de circuit imprime 15. En variante, le goujon de fixation peut egâleent présenter un profil en dents de scie ou en sapin. If necessary, at the end of the fixing stud 14, it is also possible to form a retaining spout which hooks to the back of the printed circuit board. In this case, it is possible to choose even stricter manufacturing tolerances for the position and the dimensions of the passage 16 in the printed circuit board 15. As a variant, the fixing stud may also have a sawtooth or fir profile .
Claims (6)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE8808153U DE8808153U1 (en) | 1988-06-24 | 1988-06-24 | Electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2633446A1 true FR2633446A1 (en) | 1989-12-29 |
Family
ID=6825332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8905684A Withdrawn FR2633446A1 (en) | 1988-06-24 | 1989-04-28 | Electromagnetic relay including a base made of an insulating material |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE8808153U1 (en) |
| ES (1) | ES2013201A6 (en) |
| FR (1) | FR2633446A1 (en) |
| IT (1) | IT1230280B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9230763B2 (en) | 2013-02-21 | 2016-01-05 | Johnson Electric S.A. | Relay assembly with fastening clip |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH081775B2 (en) * | 1990-11-28 | 1996-01-10 | 三菱電機株式会社 | Electromagnetic contactor |
| DE4218431C2 (en) * | 1992-06-04 | 1995-04-20 | Cannon Electric Gmbh | Device for connecting a connector to a circuit board |
| FR2789234A1 (en) * | 1999-01-28 | 2000-08-04 | Framatome Connectors France | Connection device for use in geophysical studies, has base with body for receiving terminal pins together with housing box and cover surrounding contacts |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1573729A (en) * | 1967-08-04 | 1969-07-04 | ||
| US3611218A (en) * | 1969-07-19 | 1971-10-05 | Teizo Fujita | Electromagnetic relay |
| DE2537269B1 (en) * | 1975-08-21 | 1976-12-02 | Siemens Ag | Arrangement for the elastic mounting of the non-switching magnetic part of an electromagnetic switching device |
| DE3434938A1 (en) * | 1984-07-10 | 1986-03-27 | Stribel GmbH, 7443 Frickenhausen | Electromagnetic relay |
-
1988
- 1988-06-24 DE DE8808153U patent/DE8808153U1/en not_active Expired
-
1989
- 1989-04-28 FR FR8905684A patent/FR2633446A1/en not_active Withdrawn
- 1989-06-14 IT IT8920874A patent/IT1230280B/en active
- 1989-06-23 ES ES8902219A patent/ES2013201A6/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1573729A (en) * | 1967-08-04 | 1969-07-04 | ||
| US3611218A (en) * | 1969-07-19 | 1971-10-05 | Teizo Fujita | Electromagnetic relay |
| DE2537269B1 (en) * | 1975-08-21 | 1976-12-02 | Siemens Ag | Arrangement for the elastic mounting of the non-switching magnetic part of an electromagnetic switching device |
| DE3434938A1 (en) * | 1984-07-10 | 1986-03-27 | Stribel GmbH, 7443 Frickenhausen | Electromagnetic relay |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9230763B2 (en) | 2013-02-21 | 2016-01-05 | Johnson Electric S.A. | Relay assembly with fastening clip |
Also Published As
| Publication number | Publication date |
|---|---|
| DE8808153U1 (en) | 1989-10-26 |
| ES2013201A6 (en) | 1990-04-16 |
| IT1230280B (en) | 1991-10-18 |
| IT8920874A0 (en) | 1989-06-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |