EP0187062B1 - Housing of an electric apparatus - Google Patents

Housing of an electric apparatus Download PDF

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Publication number
EP0187062B1
EP0187062B1 EP85402257A EP85402257A EP0187062B1 EP 0187062 B1 EP0187062 B1 EP 0187062B1 EP 85402257 A EP85402257 A EP 85402257A EP 85402257 A EP85402257 A EP 85402257A EP 0187062 B1 EP0187062 B1 EP 0187062B1
Authority
EP
European Patent Office
Prior art keywords
electrical
cavity
wire
lug
housing
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
EP85402257A
Other languages
German (de)
French (fr)
Other versions
EP0187062A3 (en
EP0187062A2 (en
Inventor
Philippe Lefevre
Gilbert Echasseriau
Patrice Oliveau
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.)
Continental Automotive France SAS
Bendix Electronics SA
Original Assignee
Siemens Automotive SA
Bendix Electronics SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Automotive SA, Bendix Electronics SA filed Critical Siemens Automotive SA
Publication of EP0187062A2 publication Critical patent/EP0187062A2/en
Publication of EP0187062A3 publication Critical patent/EP0187062A3/en
Application granted granted Critical
Publication of EP0187062B1 publication Critical patent/EP0187062B1/en
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/05—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations having different types of direct connections

Definitions

  • the present invention relates to an electrical or electronic device housing and aims more particularly to solve various problems posed by the electrical connection of the device.
  • the functional tests to control the device can only be carried out after the connection, or connection, of the electrical wires, which leads to handling problems.
  • the present invention provides an electrical or electronic device housing comprising a first closed cavity in which the functional part of the device is disposed, a second electrical connection cavity, separated from the first cavity by a sealed wall traversed by at least one metal thimble for electrical connection, a first end of which is located inside the first cavity, provides the electrical connection with the functional part of the system and the second end of which is located inside of the second connection cavity , is provided with means for ensuring the electrical connection with an electric wire, characterized in that the second cavity is closed by a removable cover to release access to the second end of the terminal without opening the first cavity.
  • FIG. 1 shows an electrical or electronic device constituted in the embodiment represented by an electrical potentiometer, the functional part 12 of which is disposed in a housing 14.
  • the housing 14 comprises a first cavity 16 in which the functional part 12 of the potentiometer is disposed and a second cavity 18 for electrical connection.
  • the two cavities are separated by a wall 20 which makes the cavities 16 and 18 independent and sealed.
  • the portion of the housing 14 constituting the partition 20 is crossed by a metal terminal for electrical connection 22.
  • a first end 24 of the metal lug 22 is located inside the first cavity 16 in which it provides the electrical connection with the functional part 12 of the electrical appliance in a manner which will be described later.
  • the second end 26 of the metal lug 22 located inside the second electrical connection cavity 18 is provided with means 28 making it possible to ensure the electrical connection of the metal lug 22 with an electric wire 30.
  • These means 28 are produced by a central slot illustrated in FIG. 2. This slot 28 is flared at its open end to allow the wire to be released from its insulator when the latter is introduced laterally into the slot.
  • the metal lug 22 is inserted from the right, considering FIG. 1, into the passage 32 formed in the partition 20 in which it is held in the mounted position by teeth 34.
  • the electrical connection of the first end 24 of the metal lug 22 is obtained by means of a loop whose wavy end 36 is inserted by elastic deformation between two fixed wings 38 of the housing 14.
  • the electrical connection is ensured by contacting the end corrugated 36 of the terminal with a metal track 40 connected to the functional part 12 of the rotary potentiometer 10.
  • the first cavity 16 is closed, after insertion of the metal lug 22, by a first cover 42.
  • the electrical connection between the second end 26 of the metal lug 22 and the wire 30 is produced by the means 28 which make it possible to ensure the connection by displacement of the insulation of the wire.
  • This operation is carried out by introducing the wire and its insulator 30 into the housing 44 provided for this purpose in the housing 14 and in the slot 28 of the terminal 22, the insulator then being held in the flared part of the slot while the wire is pressed against the bottom of slot 28 in metal-metal contact with the terminal.
  • the closure of the second cavity 18 is obtained as for the cavity 16 by means of a second cover 46 and the sealing is completed by a supply of resin 48 which surrounds the sheath of the wire 30 at the level of the housing 44.
  • the wall 20 cavity 18 and the second cover 46 are provided with lugs 50 and 52 respectively, arranged opposite and which pinch the sheath of the wire 30 when the second cover 46 is in place .
  • the invention is not limited to the use of a single terminal, but also applies to multi-wire electrical connections for which the number of terminals passing through the partition is greater than the unit, likewise than the number of contact leads.
  • the housing design which has just been described makes it possible in particular to carry out the electrical control tests in the second cavity by connecting to the terminal 22, while the final control of the electrical continuity between the terminal 22 and the wire is carried out later.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Cable Accessories (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Description

La présente invention a pour objet un boîtier d'appareil électrique ou électronique et vise plus particulièrement à résoudre différents problèmes posés par le raccordement électrique de l'appareil.The present invention relates to an electrical or electronic device housing and aims more particularly to solve various problems posed by the electrical connection of the device.

Les boîtiers d'appareils électriques ou électroniques connus posent différents problèmes dus au raccordement électrique de l'appareil et notamment en matière de tests de contrôle et d'assemblage.The housings of known electrical or electronic devices pose different problems due to the electrical connection of the device and in particular in terms of control and assembly tests.

D'une manière générale, les tests fonctionnels de contrôle de l'appareil ne peuvent être effectués qu'après la connexion, ou raccordement, des fils électriques ce qui entraîne des problèmes de manutention.In general, the functional tests to control the device can only be carried out after the connection, or connection, of the electrical wires, which leads to handling problems.

Dans la technologie existante on constate que la fixation des fils électriques s'effectue sur le capot ou sur le boîtier proprement dit. Dans les deux cas, la connexion s'effectue dans la même cavité que celle qui contient la partie fonctionnelle de l'appareil ce qui nécessite la fermeture préalable de cette cavité pour pouvoir effectuer les tests électriques; la fermeture est le plus souvent obtenue par soudage thermique ou par collage.In existing technology, it can be seen that the fixing of the electrical wires is carried out on the cover or on the box itself. In both cases, the connection is made in the same cavity as that which contains the functional part of the device, which requires the prior closing of this cavity in order to be able to carry out the electrical tests; the closure is most often obtained by thermal welding or by bonding.

On connaît des documents FR-A-2.269.800 et GB-A-2.110.886 des connecteurs électriques comprenant des boîtiers protégeant des cosses de raccordement de fils électriques établissant une connexion électrique entre des premier et deuxième compartiments du boîtier. On connaît aussi du document US-A-4.352.538 un connecteur électrique conçu pour être monté, après raccordement à des fils électriques, sur un panneau de montage. Les boîtiers des connecteurs décrits dans ces documents ne sont pas conçus pour recevoir un appareil électrique soumis à des tests électriques avant son raccordement à des fils électriques. Or, la connexion des fils électriques lors de l'assemblage de l'appareil électrique pose deux problèmes importants:

  • -a) pour les étapes de montage consécutives à celle du raccordement des fils, la manipulation des appareils est peu aisée et pose de très grandes difficultés notamment sur des chaînes de montage automatisé;
  • -b) pour la gestion des stocks des appareils électriques et de leurs composants. En effet la non standardisation implique de grandes diversités de longueurs de fils et la gestion des stocks des différents sous-ensemble munis de leurs fils est dès lors très complexe.
There are known from documents FR-A-2,269,800 and GB-A-2,110,886 electrical connectors comprising boxes protecting terminals for connecting electrical wires establishing an electrical connection between first and second compartments of the box. Also known from document US-A-4,352,538 is an electrical connector designed to be mounted, after connection to electrical wires, on a mounting panel. The connector housings described in these documents are not designed to receive an electrical appliance subjected to electrical tests before its connection to electrical wires. However, the connection of electrical wires during the assembly of the electrical apparatus poses two important problems:
  • -a) for the assembly steps consecutive to that of the connection of the wires, the handling of the devices is not very easy and poses very great difficulties, in particular on automated assembly lines;
  • -b) for inventory management of electrical devices and their components. Indeed, non-standardization implies great diversity in lengths of wires and the management of stocks of the various sub-assemblies provided with their wires is therefore very complex.

L'invention a pour but de remédier aux inconvénients précités et de réduire les coûts de fabrication des appareils électriques ou électroniques principalement au niveau de l'assemblage, du contrôle et de la gestion de pièces. A cette fin la présente invention propose un boîtier d'appareil électrique ou électronique comportant une première cavité fermée dans laquelle est disposée la partie fonctionnelle de l'appareil, une seconde cavité de connexion électrique, séparée de la première cavité par une paroi étanche traversée par au moins une cosse métallique de connexion électrique dont une première extrémité, située à l'intérieur de la première cavité, assure la liaison électrique avec la partie fonctionnelle du système et dont la seconde extrémité, située à l'intérieur de la seconde cavité de connexion, est munie de moyens permettant d'assurer la connexion électrique avec un fil électrique, caractérisé en ce que la seconde cavité est fermée par un capot amovible pour dégager un accès à la seconde extrémité de la cosse sans ouverture de la première cavité.The object of the invention is to remedy the aforementioned drawbacks and to reduce the costs of manufacturing electrical or electronic devices mainly at the level of assembly, control and management of parts. To this end, the present invention provides an electrical or electronic device housing comprising a first closed cavity in which the functional part of the device is disposed, a second electrical connection cavity, separated from the first cavity by a sealed wall traversed by at least one metal thimble for electrical connection, a first end of which is located inside the first cavity, provides the electrical connection with the functional part of the system and the second end of which is located inside of the second connection cavity , is provided with means for ensuring the electrical connection with an electric wire, characterized in that the second cavity is closed by a removable cover to release access to the second end of the terminal without opening the first cavity.

On décrira maintenant l'invention en se référant au dessin annexé dans lequel:

  • - La figure 1 est une section montrant de manière schématique un mode de réalisation de l'invention appliqué à un potentiomètre électrique;
  • - la figure 2 est une vue de dessus de la cosse métallique de la figure 1 ;
  • - la figure 3 est une vue partielle de côté suivant la flèche F de la figure 1, le capot ayant été relevé; et
  • - la figure 4 est une section partielle selon la ligne 4-4 de la figure 1.
The invention will now be described with reference to the accompanying drawing in which:
  • - Figure 1 is a section schematically showing an embodiment of the invention applied to an electric potentiometer;
  • - Figure 2 is a top view of the metal lug of Figure 1;
  • - Figure 3 is a partial side view along arrow F of Figure 1, the cover having been raised; and
  • - Figure 4 is a partial section along line 4-4 of Figure 1.

On a représenté à la figure 1 un appareil électrique ou électronique constitué dans le mode de réalisation représenté par un potentiomètre électrique dont la partie fonctionnelle 12 est disposée dans un boîtier 14.FIG. 1 shows an electrical or electronic device constituted in the embodiment represented by an electrical potentiometer, the functional part 12 of which is disposed in a housing 14.

Le boîtier 14 comprend une première cavité 16 dans laqulle est disposée la partie fonctionnelle 12 du potentiomètre et une seconde cavité 18 de connexion électrique.The housing 14 comprises a first cavity 16 in which the functional part 12 of the potentiometer is disposed and a second cavity 18 for electrical connection.

Les deux cavités sont séparées par une paroi 20 qui rend les cavités 16 et 18 indépendantes et étanches.The two cavities are separated by a wall 20 which makes the cavities 16 and 18 independent and sealed.

La portion du boîtier 14 constituant la cloison 20 est traversée par une cosse métallique de connexion électrique 22.The portion of the housing 14 constituting the partition 20 is crossed by a metal terminal for electrical connection 22.

Une première extrémité 24 de la cosse métallique 22 est située à l'intérieur de la première cavité 16 dans laquelle elle assure la liaison électrique avec la partie fonctionnelle 12 de l'appareil électrique d'une manière qui sera décrite plus avant.A first end 24 of the metal lug 22 is located inside the first cavity 16 in which it provides the electrical connection with the functional part 12 of the electrical appliance in a manner which will be described later.

La seconde extrémité 26 de la cosse métallique 22 située à l'intérieur de la seconde cavité 18 de connexion électrique est munie de moyens 28 permettant d'assurer la connexion électrique de la cosse métallique 22 avec un fil électrique 30. Ces moyens 28 sont réalisés par une fente médiane illustrée à la figure 2. Cette fente 28 est évasée à son extrémité ouverte pour permettre de dégager le fil de son isolant lorsque celui-ci est introduit latéralement dans la fente.The second end 26 of the metal lug 22 located inside the second electrical connection cavity 18 is provided with means 28 making it possible to ensure the electrical connection of the metal lug 22 with an electric wire 30. These means 28 are produced by a central slot illustrated in FIG. 2. This slot 28 is flared at its open end to allow the wire to be released from its insulator when the latter is introduced laterally into the slot.

La cosse métallique 22 est insérée depuis la droite, en considérant la Figure 1, dans le passage 32 formé dans la cloison 20 dans lequel elle est maintenue en position montée par des dents 34.The metal lug 22 is inserted from the right, considering FIG. 1, into the passage 32 formed in the partition 20 in which it is held in the mounted position by teeth 34.

La liaison électrique de la première extrémité 24 de la cosse métallique 22 est obtenue grâce à une boucle dont l'extrémité ondulée 36 est insérée par déformation élastique entre deux ailes fixes 38 du boîtier 14. La liaison électrique est assurée par contact de l'extrémité ondulée 36 de la cosse avec une piste métallique 40 reliée à la partie fonctionnelle 12 du potentiomètre rotatif 10.The electrical connection of the first end 24 of the metal lug 22 is obtained by means of a loop whose wavy end 36 is inserted by elastic deformation between two fixed wings 38 of the housing 14. The electrical connection is ensured by contacting the end corrugated 36 of the terminal with a metal track 40 connected to the functional part 12 of the rotary potentiometer 10.

La première cavité 16 est fermée, après insertion de la cosse métallique 22, par un premier capot 42. L'étanchéité et l'isolement électrique de la cavité 16The first cavity 16 is closed, after insertion of the metal lug 22, by a first cover 42. The sealing and the electrical insulation of the cavity 16

sont complétés par application d'une résine de protection dans la cavité 16.are completed by application of a protective resin in the cavity 16.

La connexion électrique entre la seconde extrémité 26 de la cosse métallique 22 et le fil 30 est réalisé par les moyens 28 qui permettent d'assurer la connexion par déplacement de l'isolant du fil. Cette opération est réalisée en introduisant le fil et son isolant 30 dans le logement 44 prévu à cet effet dans le boîtier 14 et dans la fente 28 de la cosse 22, l'isolant étant alors maintenu dans la partie évasée de la fente tandis que le fil est plaqué contre le fond de la fente 28 en contact métal-métal avec la cosse. La fermeture de la seconde cavité 18 est obtenue comme pour la cavité 16 au moyen d'un second capot 46 et l'étanchéité est complétée par un apport de résine 48 qui entoure la gaine du fil 30 au niveau du Io- gement 44.The electrical connection between the second end 26 of the metal lug 22 and the wire 30 is produced by the means 28 which make it possible to ensure the connection by displacement of the insulation of the wire. This operation is carried out by introducing the wire and its insulator 30 into the housing 44 provided for this purpose in the housing 14 and in the slot 28 of the terminal 22, the insulator then being held in the flared part of the slot while the wire is pressed against the bottom of slot 28 in metal-metal contact with the terminal. The closure of the second cavity 18 is obtained as for the cavity 16 by means of a second cover 46 and the sealing is completed by a supply of resin 48 which surrounds the sheath of the wire 30 at the level of the housing 44.

Afin d'assurer la retenue mécanique du fil 30, la paroi 20 cavité 18 et le second capot 46 sont munis d'ergots 50 et 52 respectivement, disposés en vis à vis et qui pincent la gaine du fil 30 lorsque le second capot 46 est en place . il est entendu que l'invention n'est pas limitée à l'utilisation d'une cosse unique, mais s'applique également à des connections électriques multifils pour lesquelles le nombre de cosses traversant la cloison est supérieur à l'unité, de même que le nombre de pistes de contact.In order to ensure the mechanical retention of the wire 30, the wall 20 cavity 18 and the second cover 46 are provided with lugs 50 and 52 respectively, arranged opposite and which pinch the sheath of the wire 30 when the second cover 46 is in place . it is understood that the invention is not limited to the use of a single terminal, but also applies to multi-wire electrical connections for which the number of terminals passing through the partition is greater than the unit, likewise than the number of contact leads.

La conception de boîtier qui vient d'être décrite permet notamment d'effectuer les tests de contrôle électrique dans la seconde cavité en se connectant sur la cosse 22, tandis que le contrôle final de la continuité électrique entre la cosse 22 et le fil est effectué ultérieurement.The housing design which has just been described makes it possible in particular to carry out the electrical control tests in the second cavity by connecting to the terminal 22, while the final control of the electrical continuity between the terminal 22 and the wire is carried out later.

Claims (5)

1. Housing (14) for an electrical or electronic device (10), comprising a first closed cavity (16) sheltering the functional part (12) of the device, a second cavity (18) for sheltering an electrical connection and sealingly separated from said first cavity by a wall (20), at lest one electrical connector consisting of a metal lug (22) extending through said wall, a first end (36) of said lug situated inside saide first cavity (16), ensuring an electrical connection with said functional part of the device and the second end (26) of said lug situated inside said second cavity being provided with means (28) for ensuring electrical connection with an electrical wire (30) characterized in that the second cavity is closed by a removable cover (46) for providing an access to the second end of the lug without opening the first cavity (18).
2. Housing according to claim 1, characterized in that the said first end (24) of said metal lug (22) has an elastic portion (36) resting against an electrical contact strip (40) connected to the said functional part of the device.
3. Housing according to claim 1, characterized in that the connection with the electrical wire (30) is achieved by displacing the isolating sheath of the electrical wire (30).
4. Housing according to claim 3, characterized in that said means (28) for ensuring electrical contact with an electric wire comprises a central slot (28) formed within said second end of the lug, said central slot having an enlarged portion being adapted to receive the isolating sheath of the electrical wire (30).
5. Housing according to claim 4, characterized in that the cover (46) is provided with projections (52) adapted to maintain the isolating sheath of the electrical wire (30) after the mounting of said wire (30) and cover (46) within said housing.
EP85402257A 1984-11-27 1985-11-20 Housing of an electric apparatus Expired EP0187062B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8418022A FR2573932B1 (en) 1984-11-27 1984-11-27 ELECTRICAL SYSTEM HOUSING
FR8418022 1984-11-27

Publications (3)

Publication Number Publication Date
EP0187062A2 EP0187062A2 (en) 1986-07-09
EP0187062A3 EP0187062A3 (en) 1986-07-30
EP0187062B1 true EP0187062B1 (en) 1989-11-08

Family

ID=9309971

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85402257A Expired EP0187062B1 (en) 1984-11-27 1985-11-20 Housing of an electric apparatus

Country Status (6)

Country Link
US (1) US4759724A (en)
EP (1) EP0187062B1 (en)
JP (1) JPS61131381A (en)
BR (1) BR8506084A (en)
DE (1) DE3574204D1 (en)
FR (1) FR2573932B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9004834U1 (en) * 1990-04-28 1990-07-05 Bach GmbH + Co, 74072 Heilbronn Switching device, especially relay
FR2871287B1 (en) * 2004-06-04 2007-02-09 Schneider Electric Ind Sas SIMPLIFIED TERMINAL TRANSFORMER
US20090034254A1 (en) * 2007-07-30 2009-02-05 Tang-Yueh Hung Led lamp

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735078A (en) * 1956-02-14 Greenbaum
US1666729A (en) * 1927-07-20 1928-04-17 William G Biek Electric fixture
US1909412A (en) * 1929-08-20 1933-05-16 Ludwig Louis Electric outlet with wire tap
US2810115A (en) * 1955-08-22 1957-10-15 Abbott Developments Inc Connectors for lamp cords
US3107134A (en) * 1961-01-17 1963-10-15 Kerrigan James Warren Safety adapter kit for electric light socket
GB1184250A (en) * 1967-11-18 1970-03-11 Amp Inc Sealing Arrangement for Multiple Contacts
US3663924A (en) * 1971-01-29 1972-05-16 Matthew E Gerlat Safety outlet
FR2269800B1 (en) * 1974-04-30 1979-01-26 Amp Inc
US3935637A (en) * 1974-11-26 1976-02-03 Amp Incorporated Removable wiring device assembly
JPS523187A (en) * 1975-06-24 1977-01-11 Nec Corp Electrical connectors
US4315664A (en) * 1980-05-05 1982-02-16 Amp Incorporated Modular jack
US4352538A (en) * 1980-05-19 1982-10-05 General Motors Corporation Low profile connector for printed circuit board
US4379605A (en) * 1980-11-17 1983-04-12 Harvey Hubbell Incorporated Electrical receptacle of molded body construction
FR2504315A1 (en) * 1981-04-16 1982-10-22 Carpano & Pons CONNECTING ELEMENT AND CONNECTING DEVICE COMPRISING SUCH ELEMENTS
GB2110886B (en) * 1981-12-01 1985-12-11 Bunker Ramo Electrical connector member

Also Published As

Publication number Publication date
EP0187062A3 (en) 1986-07-30
FR2573932A1 (en) 1986-05-30
US4759724A (en) 1988-07-26
BR8506084A (en) 1986-08-19
JPS61131381A (en) 1986-06-19
EP0187062A2 (en) 1986-07-09
FR2573932B1 (en) 1987-04-17
DE3574204D1 (en) 1989-12-14

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