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EP2517316B1 - Connection device for powering electrical equipment - Google Patents

Connection device for powering electrical equipment Download PDF

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Publication number
EP2517316B1
EP2517316B1 EP10794981.0A EP10794981A EP2517316B1 EP 2517316 B1 EP2517316 B1 EP 2517316B1 EP 10794981 A EP10794981 A EP 10794981A EP 2517316 B1 EP2517316 B1 EP 2517316B1
Authority
EP
European Patent Office
Prior art keywords
connection device
electric conductor
connection
overmolding
electric
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.)
Active
Application number
EP10794981.0A
Other languages
German (de)
French (fr)
Other versions
EP2517316A1 (en
Inventor
Stéphane De Souza
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.)
Valeo Systemes Thermiques SAS
Original Assignee
Valeo Systemes Thermiques SAS
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Publication of EP2517316A1 publication Critical patent/EP2517316A1/en
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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
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/24—Assembling by moulding on contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/70—Insulation of connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles

Definitions

  • the invention relates to a connection device for supplying electrical equipment, such as an electric heating device of a heating and / or air conditioning apparatus for a motor vehicle.
  • Such an electric heating device otherwise called an electric heater, is generally mounted in an air circulation duct to be heated downstream of a heat exchanger to heat the air intended for heating the passenger compartment of a motor vehicle. and demisting and defrosting by heat exchange between a flow of air through the heat exchanger and a liquid, usually the engine coolant.
  • the electric heating device comprises heating modules arranged to be exposed directly to the air passing through the heating device to achieve an almost immediate heat build-up when reheating by the heat exchanger is insufficient.
  • the operation of the electric heater is temporarily controlled until the heat exchanger alone can provide adequate air heating.
  • the electrical power supply of electrical equipment such as this electric heating device for a motor vehicle is provided by means of electrical conductors connected on the one hand to an electrical harness and on the other hand to the electrical equipment to feed.
  • these electrical conductors comprise a harness connector electrically connected to a power source and a metal plate also called “bus bar” generally provided on the electrical equipment to be powered and electrically connected to this equipment.
  • the metal plate is electrically and mechanically connected to the harness connector.
  • this connection is done by crimping or by mounting in force of the connector on the metal plate.
  • the connector may disconnect from the metal plate.
  • the invention therefore aims to overcome this disadvantage of the prior art by providing a connection device for reinforcing the mechanical connection between these two electrical conductors.
  • connection device 1 for supplying electrical equipment such as a device for electric heating of the air in a motor vehicle, the heated air being led to the heating and defogging / defrosting vents to be selectively distributed in the passenger compartment according to the mixing and distribution flaps positions.
  • the first electrical conductor 3 is in the form of a cylinder.
  • This form of cylinder is complementary to the electric harness of the vehicle.
  • any other form can be considered.
  • This end 9 thus has a shape adapted to the connection with the second conductor 5.
  • the second conductor 5 is in turn realized as a metal plate 5 also called "bus bar".
  • This metal plate 5 has an opening 17, in this circular example, for receiving the narrowing portion 11 ( figures 2,3 ).
  • the narrowing portion 11 of the cylinder 3 has a smaller diameter than the opening 17 on the plate 5.
  • the connecting flange 13 has a larger diameter than this opening 17, so that during the assembly of the cylinder 3 with the plate 5 ( Figure 4a, 4b ) the narrowing portion 11 passes through the opening 17 until the flange 13 abuts against the plate 5.
  • the connection surface 19 of the flange 13 is then in contact with a connecting surface 19 'associated on the plate 5 around the opening 17 ( figure 1 to 3 ).
  • two grooves 15 are formed on the cylinder 3 upstream and downstream of the connecting flange 13.
  • the overmolded material can completely wrap the end portion 9 of the cylinder downstream of the plate 5 for better maintenance.
  • These orifices 21 are arranged around the opening 17 and have, for example, a generally oblong shape that can be curved, c that is, substantially similar in shape to that of a kidney.
  • the overmolded material also fits into these orifices 21 which blocks the cylinder 3 and the plate 5 in rotation.
  • Overmolding 7 then creates a unitary assembly and holds in position the two conductors 3 and 5 to ensure a perennial connection.
  • the material used for overmoulding is a rigid plastic material, such as a heat-stable thermoplastic polymer selected from the group consisting of i) saturated polymers, such as polycyclohexylenedimethylene terephthalate, ii) polyphthalamides, preferably filled with glass fibers up to at 30%, ii) amorphous semi-aromatic polyamides, such as polytrimethyl hexamethylene terephthalamide, to impart the desired mechanical strength. And, in the case where the equipment to be powered is an electric heating device, this material must also be resistant to the high operating temperatures of such a device, of the order of 250 to 260 ° C.
  • a heat-stable thermoplastic polymer selected from the group consisting of i) saturated polymers, such as polycyclohexylenedimethylene terephthalate, ii) polyphthalamides, preferably filled with glass fibers up to at 30%, ii) amorphous semi-aromatic polyamides, such as polytri

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Air-Conditioning For Vehicles (AREA)

Description

L'invention concerne un dispositif de connexion pour alimenter un équipement électrique, tel qu'un dispositif de chauffage électrique d'un appareil de chauffage et/ou climatisation pour véhicule automobile.The invention relates to a connection device for supplying electrical equipment, such as an electric heating device of a heating and / or air conditioning apparatus for a motor vehicle.

Un tel dispositif de chauffage électrique, autrement appelé radiateur électrique, est généralement monté dans un conduit de circulation d'air à réchauffer en aval d'un échangeur de chaleur pour réchauffer l'air destiné au chauffage de l'habitacle d'un véhicule automobile, ainsi qu'au désembuage et au dégivrage, par un échange de chaleur entre un flux d'air traversant l'échangeur de chaleur et un liquide, en général le liquide de refroidissement du moteur.Such an electric heating device, otherwise called an electric heater, is generally mounted in an air circulation duct to be heated downstream of a heat exchanger to heat the air intended for heating the passenger compartment of a motor vehicle. and demisting and defrosting by heat exchange between a flow of air through the heat exchanger and a liquid, usually the engine coolant.

Le dispositif de chauffage électrique comporte des modules chauffants disposés de manière à être exposés directement à l'air traversant le dispositif de chauffage pour réaliser un appoint de chaleur quasiment immédiat lorsque le réchauffage par l'échangeur de chaleur est insuffisant.The electric heating device comprises heating modules arranged to be exposed directly to the air passing through the heating device to achieve an almost immediate heat build-up when reheating by the heat exchanger is insufficient.

Le fonctionnement du dispositif de chauffage électrique est commandé de façon temporaire, jusqu'à ce que l'échangeur de chaleur puisse seul assurer le chauffage de l'air de façon requise.The operation of the electric heater is temporarily controlled until the heat exchanger alone can provide adequate air heating.

Généralement, l'alimentation électrique d'un équipement électrique tel que ce dispositif de chauffage électrique pour véhicule automobile est assurée par l'intermédiaire de conducteurs électriques reliés d'une part à un faisceau électrique et d'autre part à l'équipement électrique à alimenter.Generally, the electrical power supply of electrical equipment such as this electric heating device for a motor vehicle is provided by means of electrical conductors connected on the one hand to an electrical harness and on the other hand to the electrical equipment to feed.

Selon une solution connue, ces conducteurs électriques comprennent un connecteur de faisceau électrique relié électriquement à une source d'alimentation électrique et une plaque métallique également appelée « bus barre » généralement prévue sur l'équipement électrique à alimenter et reliée électriquement à cet équipement.According to a known solution, these electrical conductors comprise a harness connector electrically connected to a power source and a metal plate also called "bus bar" generally provided on the electrical equipment to be powered and electrically connected to this equipment.

Afin de distribuer l'énergie au sein de l'équipement électrique à alimenter, la plaque métallique est connectée électriquement et mécaniquement au connecteur de faisceau électrique.In order to distribute energy within the electrical equipment to be powered, the metal plate is electrically and mechanically connected to the harness connector.

Traditionnellement, cette connexion se fait par sertissage ou encore par montage en force du connecteur sur la plaque métallique.Traditionally, this connection is done by crimping or by mounting in force of the connector on the metal plate.

Cependant, par exemple en cas d'une force appliquée sur le connecteur, ce dernier risque de se déconnecter de la plaque métallique.However, for example, if a force is applied to the connector, the connector may disconnect from the metal plate.

L'invention a donc pour objectif de pallier cet inconvénient de l'art antérieur en proposant un dispositif de connexion permettant de renforcer la connexion mécanique entre ces deux conducteurs électriques.The invention therefore aims to overcome this disadvantage of the prior art by providing a connection device for reinforcing the mechanical connection between these two electrical conductors.

À cet effet, l'invention a pour objet un dispositif de connexion pour alimenter un équipement électrique, ledit dispositif de connexion comprenant :

  • un premier conducteur électrique configuré pour être relié électriquement à une source d'alimentation électrique, et
  • un second conducteur électrique connecté mécaniquement et électriquement au premier conducteur électrique, et configuré pour être relié électriquement à l'équipement électrique à alimenter,
caractérisé en ce que ledit dispositif de connexion comporte un surmoulage électriquement isolant de maintien mécanique, enveloppant les premier et second conducteurs électriques au niveau de leur connexion.To this end, the invention relates to a connection device for powering an electrical equipment, said connection device comprising:
  • a first electrical conductor configured to be electrically connected to a power source, and
  • a second electrical conductor mechanically and electrically connected to the first electrical conductor, and configured to be electrically connected to the electrical equipment to be powered,
characterized in that said connecting device comprises an electrically insulative over-molding of mechanical support, enveloping the first and second electrical conductors at their connection.

Un tel surmoulage permet de renforcer la connexion entre les deux conducteurs électriques. En effet, les conducteurs électriques entourés conjointement de matière plastique surmoulée peuvent supporter des efforts plus importants par rapport à l'art antérieur connu sans se désolidariser, comme lors de la connexion ou de la déconnexion avec la contre partie électrique, par exemple le faisceau électrique d'un véhicule automobile.Such overmoulding strengthens the connection between the two electrical conductors. Indeed, the electrical conductors surrounded together overmolded plastic material can withstand greater forces compared to the known prior art without detaching, as when connecting or disconnecting with the electrical counterpart, for example the electrical harness of a motor vehicle.

Ledit dispositif de connexion peut en outre comporter une ou plusieurs caractéristiques suivantes, prises séparément ou en combinaison :

  • ledit surmoulage est réalisé en matière plastique rigide,
  • ledit conducteur électrique présente au moins une cavité de blocage en translation remplie par ledit surmoulage,
  • ladite au moins une cavité est une rainure périphérique,
  • le second conducteur électrique est réalisé sous la forme d'une plaque métallique présentant une ouverture dans laquelle est reçue une extrémité complémentaire du premier conducteur électrique,
  • le premier conducteur électrique présente une forme générale sensiblement cylindrique,
  • le premier conducteur électrique comprend une collerette de connexion présentant une surface de connexion coopérant avec une surface de connexion correspondante prévue sur ledit second conducteur,
  • le second conducteur électrique présente un nombre prédéterminé d'orifices de blocage en rotation remplis par ledit surmoulage,
  • les orifices de blocage en rotation présentent une forme générale sensiblement oblongue,
  • l'équipement électrique à alimenter est un dispositif de chauffage électrique pour véhicule automobile, et
  • ledit surmoulage est réalisé en une matière plastique configurée pour résister aux températures élevées de fonctionnement dudit dispositif de chauffage.
Said connection device may further comprise one or more of the following features, taken separately or in combination:
  • said overmolding is made of rigid plastic material,
  • said electrical conductor has at least one translational locking cavity filled by said overmolding,
  • said at least one cavity is a peripheral groove,
  • the second electrical conductor is in the form of a metal plate having an opening in which is received a complementary end of the first electrical conductor,
  • the first electrical conductor has a generally cylindrical general shape,
  • the first electrical conductor comprises a connection flange having a connection surface cooperating with a corresponding connecting surface provided on said second conductor,
  • the second electrical conductor has a predetermined number of rotational locking orifices filled by said overmolding,
  • the rotational locking orifices have a generally oblong general shape,
  • the electrical equipment to be powered is an electric heating device for a motor vehicle, and
  • said overmolding is made of a plastic material configured to withstand the high operating temperatures of said heater.

D'autres caractéristiques et avantages de l'invention apparaîtront plus clairement à la lecture de la description suivante, donnée à titre d'exemple illustratif et non limitatif, et des dessins annexés parmi lesquels :

  • la figure 1 est une représentation schématique partielle d'un dispositif de connexion selon l'invention,
  • la figure 2 représente partiellement un premier conducteur électrique du dispositif de connexion de la figure 1,
  • la figure 3 représente partiellement un second conducteur électrique du dispositif de connexion de la figure 2,
  • la figure 4a est une vue en perspective partielle du premier conducteur de la figure 2 assemblé sur le second conducteur de la figure 3, et
  • la figure 4b est une vue arrière en perspective de la figure 4a.
Other features and advantages of the invention will emerge more clearly on reading the following description, given by way of illustrative and nonlimiting example, and the appended drawings among which:
  • the figure 1 is a partial schematic representation of a connection device according to the invention,
  • the figure 2 partially represents a first electrical conductor of the connection device of the figure 1 ,
  • the figure 3 partially represents a second electrical conductor of the connection device of the figure 2 ,
  • the figure 4a is a partial perspective view of the first driver of the figure 2 assembled on the second driver of the figure 3 , and
  • the figure 4b is a perspective rear view of the figure 4a .

Dans ces figures, les éléments sensiblement identiques portent les mêmes références.In these figures, the substantially identical elements bear the same references.

On a représenté partiellement sur les figures 1a et 1b un dispositif de connexion 1 pour alimenter un équipement électrique (non représenté), tel qu'un dispositif de chauffage électrique de l'air dans un véhicule automobile, l'air réchauffé étant conduit vers des bouches de chauffage et de désembuage/dégivrage pour être distribué sélectivement dans l'habitacle selon les positions de volets de mixage et distribution.Partially represented on Figures 1a and 1b a connection device 1 for supplying electrical equipment (not shown), such as a device for electric heating of the air in a motor vehicle, the heated air being led to the heating and defogging / defrosting vents to be selectively distributed in the passenger compartment according to the mixing and distribution flaps positions.

Le dispositif de connexion 1 comporte :

  • un premier conducteur électrique 3 représenté partiellement en pointillé, tel qu'un connecteur de faisceau électrique pour être relié électriquement à une source d'alimentation électrique par exemple disponible dans le véhicule, telle que la batterie,
  • un second conducteur électrique 5 porté par exemple par un boîtier de l'équipement électrique à alimenter (non représenté) pour être relié électriquement à cet équipement, et connecté électriquement et mécaniquement au premier conducteur 3 afin de conduire l'énergie au sein de l'équipement, et
  • un surmoulage 7 de maintien mécanique enveloppant les premier 3 et second 5 conducteurs électriques au niveau de leur connexion.
The connection device 1 comprises:
  • a first electrical conductor 3 partially represented in dotted line, such as a harness connector to be electrically connected to a power supply source for example available in the vehicle, such as the battery,
  • a second electrical conductor 5 carried for example by a housing of the electrical equipment to be powered (not shown) to be electrically connected to this equipment, and electrically and mechanically connected to the first conductor 3 in order to conduct the energy within the equipment, and
  • a mechanical support overmolding 7 enveloping the first 3 and second 5 electrical conductors at their connection.

Dans l'exemple illustré, le premier conducteur électrique 3 est réalisé sous forme de cylindre. Cette forme de cylindre est complémentaire du faisceau électrique du véhicule. Bien entendu, toute autre forme peut être envisagée.In the illustrated example, the first electrical conductor 3 is in the form of a cylinder. This form of cylinder is complementary to the electric harness of the vehicle. Of course, any other form can be considered.

Comme on le constate sur la figure 2, le cylindre 3 présente à une extrémité 9 coopérant avec le second conducteur 5 :

  • une portion de rétrécissement 11,
  • une collerette de connexion 13, et
  • une ou plusieurs cavités de blocage en translation, réalisées ici sous forme de rainure périphérique 15.
As we see on the figure 2 , the cylinder 3 has at one end 9 cooperating with the second conductor 5:
  • a narrowing portion 11,
  • a connection flange 13, and
  • one or more translation locking cavities, made here in the form of a peripheral groove 15.

Cette extrémité 9 présente donc une forme adaptée à la connexion avec le second conducteur 5.This end 9 thus has a shape adapted to the connection with the second conductor 5.

En effet, en se référant à la figure 3, le second conducteur 5 est quant à lui réalisé sous forme de plaque métallique 5 également appelée « bus barre ». Cette plaque métallique 5 présente une ouverture 17, dans cet exemple circulaire, pour recevoir la portion de rétrécissement 11 (figures 2,3). À cet effet, la portion de rétrécissement 11 du cylindre 3 présente un diamètre inférieur à l'ouverture 17 sur la plaque 5.Indeed, by referring to the figure 3 , the second conductor 5 is in turn realized as a metal plate 5 also called "bus bar". This metal plate 5 has an opening 17, in this circular example, for receiving the narrowing portion 11 ( figures 2,3 ). For this purpose, the narrowing portion 11 of the cylinder 3 has a smaller diameter than the opening 17 on the plate 5.

Au contraire, la collerette de connexion 13 présente un diamètre supérieur à cette ouverture 17, de sorte que lors de l'assemblage du cylindre 3 avec la plaque 5 (figure 4a,4b) la portion de rétrécissement 11 passe dans l'ouverture 17 jusqu'à ce que la collerette 13 vienne en butée contre la plaque 5. La surface de connexion 19 de la collerette 13 est alors en contact avec une surface de connexion 19' associée sur la plaque 5 autour de l'ouverture 17 (figure 1 à 3).On the contrary, the connecting flange 13 has a larger diameter than this opening 17, so that during the assembly of the cylinder 3 with the plate 5 ( Figure 4a, 4b ) the narrowing portion 11 passes through the opening 17 until the flange 13 abuts against the plate 5. The connection surface 19 of the flange 13 is then in contact with a connecting surface 19 'associated on the plate 5 around the opening 17 ( figure 1 to 3 ).

De plus, deux rainures 15 sont ménagées sur le cylindre 3 en amont et en aval de la collerette de connexion 13. Ainsi, lorsqu'on surmoule une matière électriquement isolante au niveau de la connexion entre le cylindre 3 et la plaque 5 pour former le surmoulage 7 de maintien mécanique, cette matière s'insère dans les deux rainures 15 de part et d'autre de la plaque 5, ce qui bloque le cylindre 3 en translation par rapport à la plaque 5.In addition, two grooves 15 are formed on the cylinder 3 upstream and downstream of the connecting flange 13. Thus, when an electrically insulating material is overmolded at the connection between the cylinder 3 and the plate 5 to form the over-molding 7 mechanical support, this material is inserted into the two grooves 15 on either side of the plate 5, which blocks the cylinder 3 in translation relative to the plate 5.

En outre, comme on le remarque sur la figure 1, la matière surmoulée peut complètement envelopper la portion d'extrémité 9 du cylindre en aval de la plaque 5 pour un meilleur maintien.Moreover, as we notice on the figure 1 , the overmolded material can completely wrap the end portion 9 of the cylinder downstream of the plate 5 for better maintenance.

Par ailleurs, en référence aux figures 3 à 4b, on peut prévoir sur la plaque 5 des orifices 21 de blocage en rotation, dans l'exemple illustré trois orifices 21. Ces orifices 21 sont disposés autour de l'ouverture 17 et présentent par exemple une forme générale oblongue qui peut être incurvée, c'est à dire de forme sensiblement similaire à celle d'un rein. Ainsi, lors du surmoulage, la matière surmoulée s'insère également dans ces orifices 21 ce qui bloque le cylindre 3 et la plaque 5 en rotation.Moreover, with reference to Figures 3 to 4b , on the plate 5 can be provided rotational locking orifices 21, in the illustrated example, three orifices 21. These orifices 21 are arranged around the opening 17 and have, for example, a generally oblong shape that can be curved, c that is, substantially similar in shape to that of a kidney. Thus, during overmolding, the overmolded material also fits into these orifices 21 which blocks the cylinder 3 and the plate 5 in rotation.

Le surmoulage 7 crée alors un ensemble solidaire et maintient en position les deux conducteurs 3 et 5 pour garantir une connexion pérenne.Overmolding 7 then creates a unitary assembly and holds in position the two conductors 3 and 5 to ensure a perennial connection.

La matière utilisée pour le surmoulage est une matière plastique rigide, telle qu'un polymère thermoplastique thermostable choisi parmi le groupe comprenant i) des polymères saturés, tel que du polycyclohexylènediméthylène téréphtalate, ii) des polyphtalamides, de préférence chargés de fibres de verre jusqu'à 30%, ii) des polyamides semi-aromatiques amorphes, tel que du polytriméthyl héxaméthylène téréphtalamide, pour conférer la tenue mécanique souhaitée. Et, dans le cas où l'équipement à alimenter est un dispositif de chauffage électrique, cette matière doit également être résistante aux températures élevées de fonctionnement d'un tel dispositif, de l'ordre de 250 à 260°C.The material used for overmoulding is a rigid plastic material, such as a heat-stable thermoplastic polymer selected from the group consisting of i) saturated polymers, such as polycyclohexylenedimethylene terephthalate, ii) polyphthalamides, preferably filled with glass fibers up to at 30%, ii) amorphous semi-aromatic polyamides, such as polytrimethyl hexamethylene terephthalamide, to impart the desired mechanical strength. And, in the case where the equipment to be powered is an electric heating device, this material must also be resistant to the high operating temperatures of such a device, of the order of 250 to 260 ° C.

On comprend donc qu'un tel surmoulage 7 garantit la connexion entre les deux conducteurs 3,5 du dispositif de connexion 1, et évite un arrêt intempestif de l'alimentation de l'équipement électrique.It is therefore understood that such an overmolding 7 ensures the connection between the two conductors 3,5 of the connection device 1, and prevents an inadvertent shutdown of the power supply of the electrical equipment.

Claims (11)

  1. Connection device for powering electric equipment, said connection device comprising:
    - a first electric conductor (3) configured to be electrically connected to an electric power supply, and
    - a second electric conductor (5) mechanically and electrically connected to the first electric conductor (3) and configured to be electrically connected to the electric equipment to be powered, characterized in that said connection device includes an electrically insulative mechanical retention overmolding (7) enveloping the first electric conductor (3) and the second electric conductor (5) at the level of their connection.
  2. Connection device according to Claim 1, characterized in that said overmolding (7) is produced in a rigid plastic material.
  3. Connection device according to either one of Claims 1 and 2, characterized in that said electric conductor (3, 5) includes at least one translation blocking cavity filled by said overmolding (7).
  4. Connection device according to Claim 3, characterized in that said at least one cavity is a peripheral groove (15).
  5. Connection device according to any one of the preceding claims, characterized in that the second electric conductor (5) is produced in the form of a metal plate (5) including an opening (17) in which is received a complementary end (9) of the first electric conductor (3).
  6. Connection device according to any one of the preceding claims, characterized in that the first electric conductor (3) has a substantially cylindrical general shape.
  7. Connection device according to Claim 5 in combination with Claim 6, characterized in that the first electric conductor (3) includes a connecting flange (13) having a connection surface (19) cooperating with a corresponding connection surface (19') provided on said second conductor (5).
  8. Connection device according to Claim 5 in combination with either one of Claims 6 and 7, characterized in that the second electric conductor (5) has a predetermined number of rotation blocking orifices (21) filled by said overmolding (17).
  9. Connection device according to Claim 8, characterized in that the rotation blocking orifices (21) have a substantially oblong general shape.
  10. Connection device according to any one of the preceding claims, characterized in that the electric equipment to be powered is an electric heating device for motor vehicles.
  11. Connection device according to Claim 10, characterized in that said overmolding (7) is produced in a plastic material configured to resist the high operating temperatures of said heating device.
EP10794981.0A 2009-12-23 2010-12-15 Connection device for powering electrical equipment Active EP2517316B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0906305A FR2954607B1 (en) 2009-12-23 2009-12-23 CONNECTION DEVICE FOR POWERING ELECTRICAL EQUIPMENT
PCT/EP2010/069817 WO2011076638A1 (en) 2009-12-23 2010-12-15 Connection device for powering electrical equipment

Publications (2)

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EP2517316A1 EP2517316A1 (en) 2012-10-31
EP2517316B1 true EP2517316B1 (en) 2016-01-27

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EP10794981.0A Active EP2517316B1 (en) 2009-12-23 2010-12-15 Connection device for powering electrical equipment

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US (1) US8845342B2 (en)
EP (1) EP2517316B1 (en)
JP (1) JP2013515641A (en)
KR (1) KR101726904B1 (en)
CN (1) CN102771019B (en)
CA (1) CA2784701A1 (en)
ES (1) ES2564639T3 (en)
FR (1) FR2954607B1 (en)
WO (1) WO2011076638A1 (en)

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Publication number Priority date Publication date Assignee Title
FR3004009B1 (en) * 2013-03-26 2017-02-17 Valeo Systemes Thermiques CONTROL MODULE OF AN ELECTRICAL APPARATUS
JP6273119B2 (en) * 2013-10-08 2018-01-31 株式会社東芝 Electrical equipment connection device
FR3037193B1 (en) * 2015-06-04 2020-10-16 Auxel TERMINAL CURRENT DISTRIBUTOR

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JPH07174355A (en) * 1993-12-20 1995-07-14 Matsushita Electric Works Ltd Connection and insulation construction of lead wire of panel heater
JP2001313100A (en) * 1999-04-15 2001-11-09 Auto Network Gijutsu Kenkyusho:Kk Shield connector
US6261108B1 (en) * 1999-04-15 2001-07-17 Harness System Technologies Research, Ltd. Shield connector
EP1128472B1 (en) * 2000-02-24 2003-06-11 Autonetworks Technologies, Ltd. Shield connector
JP2002075557A (en) * 2000-06-12 2002-03-15 Auto Network Gijutsu Kenkyusho:Kk Shield connector
JP2002008791A (en) * 2000-06-23 2002-01-11 Auto Network Gijutsu Kenkyusho:Kk Shield connector and method of manufacturing the same
US6595789B2 (en) * 2000-10-20 2003-07-22 Autonetworks Technologies, Ltd. Electronic unit, shield cable connecting structure, connecting method, wires waterproof-connecting structure, and method
JP2002231394A (en) * 2001-01-30 2002-08-16 Auto Network Gijutsu Kenkyusho:Kk Shield connector and manufacturing method thereof
JP3966407B2 (en) * 2002-09-24 2007-08-29 矢崎総業株式会社 Electromagnetic wave shield structure with oil-proof water
JP2005158616A (en) * 2003-11-27 2005-06-16 Nissei Electric Co Ltd Sheet heater
US7494374B2 (en) * 2007-02-01 2009-02-24 Tyco Electronics Corporation Panel mount electrical connector
JP2009043491A (en) * 2007-08-07 2009-02-26 Denso Corp Electric heater
DE202009016970U1 (en) * 2009-12-16 2011-04-28 Huber + Suhner Ag connecting device

Also Published As

Publication number Publication date
US8845342B2 (en) 2014-09-30
CN102771019A (en) 2012-11-07
CN102771019B (en) 2016-03-02
US20130059483A1 (en) 2013-03-07
EP2517316A1 (en) 2012-10-31
KR101726904B1 (en) 2017-04-13
FR2954607B1 (en) 2019-10-18
KR20120123283A (en) 2012-11-08
FR2954607A1 (en) 2011-06-24
CA2784701A1 (en) 2011-06-30
JP2013515641A (en) 2013-05-09
WO2011076638A1 (en) 2011-06-30
ES2564639T3 (en) 2016-03-28

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