EP3084802B1 - Sealed fuse holder - Google Patents

Sealed fuse holder Download PDF

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Publication number
EP3084802B1
EP3084802B1 EP14815695.3A EP14815695A EP3084802B1 EP 3084802 B1 EP3084802 B1 EP 3084802B1 EP 14815695 A EP14815695 A EP 14815695A EP 3084802 B1 EP3084802 B1 EP 3084802B1
Authority
EP
European Patent Office
Prior art keywords
housing
seal
housing element
fuse
fuse holder
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
EP14815695.3A
Other languages
German (de)
French (fr)
Other versions
EP3084802A1 (en
Inventor
Erwan Guillanton
Aymeric PEROT
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.)
Delphi International Operations Luxembourg SARL
Original Assignee
Delphi International Operations Luxembourg SARL
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Publication date
Application filed by Delphi International Operations Luxembourg SARL filed Critical Delphi International Operations Luxembourg SARL
Publication of EP3084802A1 publication Critical patent/EP3084802A1/en
Application granted granted Critical
Publication of EP3084802B1 publication Critical patent/EP3084802B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/22—Intermediate or auxiliary parts for carrying, holding, or retaining fuse, co-operating with base or fixed holder, and removable therefrom for renewing the fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/0013—Means for preventing damage, e.g. by ambient influences to the fuse
    • H01H85/0021—Means for preventing damage, e.g. by ambient influences to the fuse water or dustproof devices
    • H01H85/0026—Means for preventing damage, e.g. by ambient influences to the fuse water or dustproof devices casings for the fuse and its base contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/201—Bases for supporting the fuse; Separate parts thereof for connecting a fuse in a lead and adapted to be supported by the lead alone
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/24—Means for preventing insertion of incorrect fuse
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
    • H01R13/5221—Sealing means between coupling parts, e.g. interfacial seal having cable sealing means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/203—Bases for supporting the fuse; Separate parts thereof for fuses with blade type terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/54—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers
    • H01H85/547—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers with sliding fuse carrier

Definitions

  • the invention relates to the field of fuse holders, and in particular fuse holders for automotive applications.
  • fuse holders of this type can be used to protect charging circuits of electric vehicles.
  • these fuses are placed as far upstream as possible in the charging circuit, for example, at the charging socket, in order to protect the vehicle and its possible occupants from a short circuit, from excessive heating. or even a fire.
  • the fuses are located outside the passenger compartment, and therefore subjected to bad weather, water jets, etc.
  • the document US 2013/037294 A1 discloses a fuse holder according to the preamble of claim 1. Given the importance of the protective role played by these fuses, improvements to these fuses are sought in order to increase efficiency and reliability.
  • a fuse holder comprising two housing elements.
  • Each element being monobloc.
  • these two housing elements form, once assembled, a closed tube at each of its ends. They then allow to house at least one fuse.
  • Several fuses may possibly be housed in parallel between two housing elements.
  • Each fuse has two connection terminals.
  • Each housing element has at least one contact for making an electrical connection with one of these terminals.
  • two contacts are provided, each respectively located in a housing element. Each contact is intended to then establish an electrical connection with one of the two connection terminals of a fuse.
  • Each contact is electrically connected, for example by crimping and / or welding, to a cable.
  • Each housing element has a passage for this or these cable (s) and a wire seal for sealing between the outer insulating sheath of each cable and this passage.
  • this seal may be a unitary wire seal.
  • a wired unitary seal may be provided for each cable or a joint for several cables, with a passage for each cable.
  • One of the two housing elements has a base, intended to receive at least one fuse and extending longitudinally in a direction of assembly of the two housing elements with each other.
  • This housing element further comprises an interfacial seal disposed on the base. This is for example an O-ring that extends essentially in a plane perpendicular to the assembly direction.
  • This interfacial seal is covered by the other housing member when the two housing members are assembled together. The interfacial seal is thus sandwiched between the two housing elements. Specifically, the interfacial seal is sandwiched between the outer surface of the base of one of the housing members and the inner surface of the other housing member.
  • the fuse (s) housed in the fuse holder is (are) in a sealed zone.
  • a molded edge is provided on one of the housing members and extending from one to the other. all around the base and secondly in the assembly direction of the two housing elements with each other. The rim then overhangs the interfacial joint.
  • the holding means are removable and / or movable between an open position and a closed position.
  • the interfacial seal In the open position of the holding means, the interfacial seal can slide relatively freely over a portion of the cap.
  • the displacement of the interfacial seal on the base In the closed position of the holding means, the displacement of the interfacial seal on the base is more limited and is essentially maintained under the rim, or at least an area sufficiently close to it for the flange to make the interfacial joint more difficult to reach. .
  • the means for maintaining the interfacial seal are made of material with a support in which at least one fuse is housed. Thus, two functions (maintenance of the interfacial seal and fuse holder) are provided by a single element which makes the manufacturing and assembly processes of the fuse holder according to the invention simpler and more economical.
  • the open position of the holding means / fuse holder allows the insertion of at least one fuse on the support and their closed position allows the connection of this fuse with a contact.
  • locking means may be provided, part of which is located on one of the casing elements and another part is located on the other of the casing elements. . These two parts then engage, for example by snapping together with one another, to lock the housing members when they are assembled with each other. In order to protect these shock-locking means or an involuntary unlocking, these can be at least partially covered and protected by the rim.
  • a bevelled surface on one of the housing elements This beveled surface is located at least partially under the rim. It flares in an assembly direction corresponding to the insertion of a portion of the other housing element under the flange. This beveled surface then forms a ramp for sliding, during the assembly of the housing elements with each other, the interfacial seal on the base of the position in which it was retained by the holding means, to a position in which he rests on a seat with which he makes a tight contact.
  • the interfacial seal it can be provided on one of the housing members, a flared opening at which are inserted the seat and the seal located on the other housing member. In this way, it avoids having to make a groove on the base whose molding would have been incompatible with the realization of the rim.
  • fuse holder 1 An example of fuse holder 1 is shown on the figure 1 .
  • This fuse holder 1 is inserted between two cable portions 2, in an electric circuit, such as a load circuit of an electric vehicle.
  • Each cable portion 2 is electrically connected, for example by crimping or soldering to a contact 3 (for example a DCS1 6.3 female contact of Delphi -visible on the Figures 4 and 5 ).
  • Each contact 3 is housed in a housing element 4, 5.
  • a first housing element 4 comprises locking means 6 for holding the second housing element 5, forming a cover. Once assembled, the first 4 and second 5 housing elements form a tube closed at each of its ends by a wall 7 provided with a passage 8 for each cable portion 2.
  • this fuse holder comprises, in addition to the contacts 3 and the first 4 and second 5 housing elements, a fuse holder 9, a fuse 10 and an O-ring 11.
  • the fuse 10 is housed in the support 9, itself housed in the tube consisting of the first 4 and second 5 housing elements assembled with each other.
  • the seal 11, mounted on the first housing element 4, is interposed between the first 4 and second 5 housing elements, in the manner of an interfacial seal, in order to seal them (see FIG. Figures 4 and 5 ).
  • the locking means 6, constituted by two elastic fasteners 6a, are disposed diametrically opposite to the first casing element 4, each of which is provided with a notch 6b in which an interlocking lug 6c is interlocked. on the second housing element 5 (See figure 5 ).
  • the first housing element 4 essentially consists of a substantially cylindrical base 4a with an outer face 4b partially surrounded by a skirt 4c.
  • the locking means 6 are partially covered by a flange consisting of a skirt 4c.
  • the support 9 has a cradle shape with two lateral walls 12 extending longitudinally between two flanges 13.
  • Two lateral elastic ears 14 each extend respectively from a side wall 12.
  • Each of these side lugs 14 is provided with a notch 14a for forming means for retaining a fuse 10 in its support 9.
  • the support 9 also comprises guiding and fixing means 15 ( Figure 3A ). These comprise two legs 15a, diametrically opposed, each respectively comprising a hook 15b for retaining or locking the support 9 on the first housing element 4 (See figure 4 ), in posterior recesses 17a (open position of the support 9) or anterior 17b (closed position of the support 9). These two tabs 15a constitute guide means which make it possible to precisely guide and position the support 9 relative to the first housing element 4. These two tabs 15a also constitute means for holding the gasket 11 on the first housing element 4. The means for holding the gasket 11 are integral with the support 9.
  • FIGS 3A and 3B respectively illustrate the open and closed positions of the support 9 on the first housing element 4.
  • the support 9 In the position corresponding to the figure 3A , the support 9 is in the open position, or pre-locked. In this position, the fuse 10 can be introduced into the support 9 without having to dismount it from the first housing element 4.
  • the support 9 remains maintained, but mobile, on the first housing element 4 thanks to the fact that the hooks 15b remain engaged in the posterior recesses 17b.
  • the seal 11 remains held by the tabs 15a on the base 4a.
  • the support 9 When the fuse 10 is well positioned between the lateral lugs 14, under the notches 14a and with the terminals 10a inserted in the slots 13a, the support 9 can be moved longitudinally, towards its closed position, inside a cavity 18 formed in the base 4a of the first housing element 4 and opening onto an opening 19. In this movement, the lugs 15a slide in grooves 20 arranged longitudinally, diametrically opposite, on the outer face 4b of the base 4a (see figure 2 ). Thus, when inserting the support 9 in the first housing element 4, it can only be correctly oriented, so that the opening of the female contact 3 which is housed in the first housing element 4 is aligned with the corresponding terminal 10a.
  • the second housing element 5 can be threaded onto the support 9 and around the base 4a, to be locked by the locking means 6.
  • the second housing element 5 comprises polarization means 16 allowing an operator to correctly orient it with respect to the support 9.
  • the second housing element 5 can not be that correctly oriented, so as to that the opening of the female contact 3 which is housed therein is aligned with the corresponding terminal 10a.
  • the first 4 and second 5 thus assembled casing elements form a closed tube and kept tight thanks to the interfacial seal 11 and to the wired unitary joints 19 crimped with the cables 2 on the contacts 3.
  • the gasket 11 is arranged on the base 4a essentially in a plane perpendicular to the assembly direction A. It is covered by the second housing element 5 when the two housing elements 4, 5 are assembled one with the other. other.
  • the first housing element 4 comprises a beveled surface 20, located under the flange consisting of the skirt 4c. It flares in an assembly direction corresponding to the insertion of a portion of the second housing element 5 under this flange.
  • This bevelled surface 20 forms a ramp to bring the interfacial seal 11 to a seat 21 when assembling the first 4 and second 5 housing elements together.
  • the second housing element 5 has an opening 22 flared at which are inserted the seat 21 and the seal 1.
  • the seal 11 is at least partly protected by the flange consisting of the skirt 4c.
  • This flange extending firstly around the base 4a and secondly in the assembly direction of the first 4 and second 5 housing elements with each other.
  • the seal 11 is protected even when the second housing element 5 is not assembled with the first 4.
  • the tabs 15a can hold the gasket 11 on the first housing element 5, under the skirt 4c, when the support 9 is in the closed position (which advantageously corresponds to the delivery position of the assembly consisting of the first housing element 4 and the support 9).
  • the fuse holder 1 may comprise a single support 9 but can accommodate several fuses 10 or still several supports 9 each housing one or more fuses 10.

Description

L'invention concerne le domaine des porte-fusibles, et notamment des porte-fusibles pour les applications automobiles.The invention relates to the field of fuse holders, and in particular fuse holders for automotive applications.

En particulier, des porte-fusibles de ce type peuvent être utilisés pour protéger des circuits de charge de véhicules électriques. Avantageusement, ces fusibles sont placés le plus en amont possible dans le circuit de charge, par exemple, au niveau de la prise de charge, afin de protéger le véhicule et ses éventuels occupants, d'un court-circuit, d'un échauffement excessif, voire d'un incendie. Dans ce type de circuit, les fusibles sont situés hors de l'habitacle, et donc soumis aux intempéries, jets d'eau, etc. Le document US 2013/037294 A1 divulgue un porte-fusible selon le préambule de la revendication 1. Etant donné l'importance du rôle de protection joué par ces fusibles, des perfectionnements à ces fusibles sont recherchés afin d'en augmenter l'efficacité et la fiabilité.In particular, fuse holders of this type can be used to protect charging circuits of electric vehicles. Advantageously, these fuses are placed as far upstream as possible in the charging circuit, for example, at the charging socket, in order to protect the vehicle and its possible occupants from a short circuit, from excessive heating. or even a fire. In this type of circuit, the fuses are located outside the passenger compartment, and therefore subjected to bad weather, water jets, etc. The document US 2013/037294 A1 discloses a fuse holder according to the preamble of claim 1. Given the importance of the protective role played by these fuses, improvements to these fuses are sought in order to increase efficiency and reliability.

A cette fin, il est prévu selon l'invention un porte-fusible selon la revendication 1 comportant deux éléments de boîtier. Chaque élément étant monobloc. Par exemple, ces deux éléments de boîtier forment, une fois assemblés, un tube fermé à chacune de ses extrémités. Ils permettent alors de loger au moins un fusible. Plusieurs fusibles peuvent être éventuellement logés en parallèle entre deux éléments de boîtier. Chaque fusible comporte deux bornes de connexion. Chaque élément de boîtier comporte au moins un contact destiné à réaliser une connexion électrique avec l'une de ces bornes. Plus précisément, pour chaque fusible, deux contacts sont prévus, chacun respectivement situé dans un élément de boîtier. Chaque contact est destiné à établir alors une connexion électrique avec l'une des deux bornes de connexion d'un fusible. Chaque contact est électriquement relié, par exemple par sertissage et/ou soudure, à un câble. Chaque élément de boîtier comporte un passage pour ce ou ces câble(s) et un joint filaire pour assurer l'étanchéité entre la gaine isolante externe de chaque câble et ce passage. Dans le cas d'un porte-fusible recevant un seul fusible, ce joint peut être un joint unitaire filaire. Sinon, on peut prévoir un joint unitaire filaire pour chaque câble ou un joint commun à plusieurs câbles, comportant un passage pour chaque câble.For this purpose, there is provided according to the invention a fuse holder according to claim 1 comprising two housing elements. Each element being monobloc. For example, these two housing elements form, once assembled, a closed tube at each of its ends. They then allow to house at least one fuse. Several fuses may possibly be housed in parallel between two housing elements. Each fuse has two connection terminals. Each housing element has at least one contact for making an electrical connection with one of these terminals. Specifically, for each fuse, two contacts are provided, each respectively located in a housing element. Each contact is intended to then establish an electrical connection with one of the two connection terminals of a fuse. Each contact is electrically connected, for example by crimping and / or welding, to a cable. Each housing element has a passage for this or these cable (s) and a wire seal for sealing between the outer insulating sheath of each cable and this passage. In the case of a fuse holder receiving a single fuse, this seal may be a unitary wire seal. Alternatively, a wired unitary seal may be provided for each cable or a joint for several cables, with a passage for each cable.

L'un des deux éléments de boîtier comporte un culot, destiné à recevoir au moins un fusible et s'étendant longitudinalement selon une direction d'assemblage des deux éléments de boîtier l'un avec l'autre. Cet élément de boîtier comporte en outre un joint interfacial disposé sur le culot. Il s'agit par exemple d'un joint torique qui s'étend essentiellement dans un plan perpendiculaire à la direction d'assemblage. Ce joint interfacial est recouvert par l'autre élément de boîtier lorsque les deux éléments de boîtier sont assemblés l'un avec l'autre. Le joint interfacial se trouve donc pris en sandwich entre les deux éléments de boîtier. Plus précisément, le joint interfacial est pris en sandwich entre la surface externe du culot de l'un des éléments de boîtier et la surface interne de l'autre élément de boîtier.One of the two housing elements has a base, intended to receive at least one fuse and extending longitudinally in a direction of assembly of the two housing elements with each other. This housing element further comprises an interfacial seal disposed on the base. This is for example an O-ring that extends essentially in a plane perpendicular to the assembly direction. This interfacial seal is covered by the other housing member when the two housing members are assembled together. The interfacial seal is thus sandwiched between the two housing elements. Specifically, the interfacial seal is sandwiched between the outer surface of the base of one of the housing members and the inner surface of the other housing member.

Ainsi, le ou les fusible(s) logé(s) dans le porte-fusible se trouve(nt) dans une zone étanche.Thus, the fuse (s) housed in the fuse holder is (are) in a sealed zone.

Afin de de protéger le joint interfacial, par exemple lorsque les deux éléments de boîtier ne sont pas assemblés l'un avec l'autre, on prévoit un rebord venu de moulage sur l'un des éléments de boîtier et s'étendant d'une part tout autour du culot et d'autre part dans la direction d'assemblage des deux éléments de boîtier l'un avec l'autre. Le rebord surplombe alors le joint interfacial.In order to protect the interfacial seal, for example when the two housing members are not assembled together, a molded edge is provided on one of the housing members and extending from one to the other. all around the base and secondly in the assembly direction of the two housing elements with each other. The rim then overhangs the interfacial joint.

Afin de retenir le joint interfacial sur l'élément de boîtier sur lequel il est monté, notamment tant que les éléments de boîtier ne sont pas assemblés l'un avec l'autre, par exemple pendant des phases de transport et de livraison, on prévoit des moyens de maintien de ce joint interfacial. Cette disposition permet de livrer le porte-fusible avec un support pré-monté sur un élément de boîtier et avec un joint déjà en place sur celui-ci, alors que les contacts, les câbles et le fusible ne seront montés qu'à une étape ultérieure.In order to retain the interfacial seal on the housing element on which it is mounted, especially as the housing elements are not assembled with each other, for example during transport and delivery phases, provision is made for means for maintaining this interfacial seal. This arrangement allows delivery of the fuse holder with a pre-mounted support on a housing element and with a seal already in place thereon, while the contacts, the cables and the fuse will be mounted at one stage higher.

Les moyens de maintien sont amovibles et/ou mobiles entre une position ouverte et une position fermée. Dans la position ouverte des moyens de maintien, le joint interfacial peut coulisser relativement librement sur une portion du culot. Dans la position fermée des moyens de maintien, le déplacement du joint interfacial sur le culot est plus limité et est essentiellement maintenu sous le rebord, ou du moins une zone suffisamment proche de celui-ci pour que le rebord rende le joint interfacial plus difficilement accessible. Les moyens de maintien du joint interfacial sont venus de matière avec un support dans lequel au moins un fusible est logé. Ainsi, deux fonctions (maintien du joint interfacial et support de fusible) sont réalisées par un unique élément ce qui rend les procédés de fabrication et d'assemblage du porte-fusible selon l'invention, plus simple et plus économique. La position ouverte des moyens de maintien/support de fusible permet l'insertion d'au moins un fusible sur le support et leur position fermée permet la connexion de ce fusible avec un contact.The holding means are removable and / or movable between an open position and a closed position. In the open position of the holding means, the interfacial seal can slide relatively freely over a portion of the cap. In the closed position of the holding means, the displacement of the interfacial seal on the base is more limited and is essentially maintained under the rim, or at least an area sufficiently close to it for the flange to make the interfacial joint more difficult to reach. . The means for maintaining the interfacial seal are made of material with a support in which at least one fuse is housed. Thus, two functions (maintenance of the interfacial seal and fuse holder) are provided by a single element which makes the manufacturing and assembly processes of the fuse holder according to the invention simpler and more economical. The open position of the holding means / fuse holder allows the insertion of at least one fuse on the support and their closed position allows the connection of this fuse with a contact.

Afin de maintenir les éléments de boîtier assemblé l'un avec l'autre, on peut prévoir des moyens de verrouillage dont une partie est située sur l'un des éléments de boîtier et une autre partie est située sur l'autre des éléments de boîtier. Ces deux parties s'engagent alors, par exemple par encliquetage, l'une avec l'autre, pour verrouiller les éléments de boîtier lorsqu'ils sont assemblés l'un avec l'autre. Afin de protéger ces moyens de verrouillage des chocs ou d'un déverrouillage involontaire, ceux-ci peuvent être au moins partiellement recouverts et protégés par le rebord.In order to keep the casing elements assembled together, locking means may be provided, part of which is located on one of the casing elements and another part is located on the other of the casing elements. . These two parts then engage, for example by snapping together with one another, to lock the housing members when they are assembled with each other. In order to protect these shock-locking means or an involuntary unlocking, these can be at least partially covered and protected by the rim.

Pour faciliter la mise en place du joint interfacial, on peut prévoir une surface biseautée sur l'un des éléments de boîtier. Cette surface biseautée est située au moins en partie sous le rebord. Elle s'évase dans un sens d'assemblage correspondant à l'insertion d'une portion de l'autre élément de boîtier sous le rebord. Cette surface biseautée forme alors une rampe pour faire coulisser, lors de l'assemblage des éléments de boîtier l'un avec l'autre, le joint interfacial sur le culot de la position dans laquelle il était retenu par les moyens de maintien, à une position dans laquelle il repose sur une assise avec laquelle il établit un contact étanche.To facilitate the establishment of the interfacial seal, there can be provided a bevelled surface on one of the housing elements. This beveled surface is located at least partially under the rim. It flares in an assembly direction corresponding to the insertion of a portion of the other housing element under the flange. This beveled surface then forms a ramp for sliding, during the assembly of the housing elements with each other, the interfacial seal on the base of the position in which it was retained by the holding means, to a position in which he rests on a seat with which he makes a tight contact.

Pour loger le joint interfacial, on peut prévoir, sur l'un des éléments de boîtier, une ouverture évasée au niveau de laquelle sont insérés l'assise et le joint situés sur l'autre élément de boîtier. De cette manière, on évite d'avoir à réaliser une gorge sur le culot dont le moulage aurait été incompatible avec la réalisation du rebord.To accommodate the interfacial seal, it can be provided on one of the housing members, a flared opening at which are inserted the seat and the seal located on the other housing member. In this way, it avoids having to make a groove on the base whose molding would have been incompatible with the realization of the rim.

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui suit ainsi que sur les dessins annexés. Sur ces dessins :

  • la figure 1 représente schématiquement en perspective un exemple de mode de réalisation d'un porte-fusible conforme à l'invention ;
  • la figure 2 représente schématiquement en perspective et de manière éclatée le porte-fusible de la figure 1 ;
  • les figures 3A et 3B représentent schématiquement, en perspective, un support monté sur un élément de boîtier du porte-fusible des figures 1 et 2, avec le support respectivement en position ouverte et fermée ;
  • la figure 4 représente schématiquement en coupe longitudinale selon un plan axial, le porte-fusible des figures 1 et 2; et
  • la figure 5 représente schématiquement en coupe longitudinale selon un plan axial, perpendiculaire à celui de la figure 4, le porte-fusible des figures 1 et 2.
Other features and advantages of the invention will appear on reading the following detailed description and on the accompanying drawings. On these drawings:
  • the figure 1 schematically shows in perspective an exemplary embodiment of a fuse holder according to the invention;
  • the figure 2 schematically represents in perspective and exploded the fuse holder of the figure 1 ;
  • the Figures 3A and 3B schematically represent, in perspective, a support mounted on a housing element of the fuse holder of Figures 1 and 2 with the support respectively in the open and closed position;
  • the figure 4 represents schematically in longitudinal section along an axial plane, the fuse holder of the Figures 1 and 2 ; and
  • the figure 5 represents schematically in longitudinal section along an axial plane, perpendicular to that of the figure 4 , the fuse holder Figures 1 and 2 .

Un exemple de porte-fusible 1 est représenté sur la figure 1. Ce porte-fusible 1 est inséré entre deux portions de câbles 2, dans un circuit électrique, tel qu'un circuit de charge d'un véhicule électrique. Chaque portion de câbles 2 est reliée électriquement, par exemple par sertissage ou soudure à un contact 3 (par exemple un contact femelle DCS1 6.3 de Delphi -visible sur les figures 4 et 5). Chaque contact 3 est logé dans un élément de boîtier 4, 5. Un premier élément de boîtier 4 comporte des moyens de verrouillage 6 permettant de maintenir le deuxième élément de boîtier 5, formant couvercle. Une fois assemblés les premier 4 et deuxième 5 éléments de boîtier forment un tube fermé à chacune de ses extrémités par une paroi 7 munie d'un passage 8 pour chaque portion de câbles 2.An example of fuse holder 1 is shown on the figure 1 . This fuse holder 1 is inserted between two cable portions 2, in an electric circuit, such as a load circuit of an electric vehicle. Each cable portion 2 is electrically connected, for example by crimping or soldering to a contact 3 (for example a DCS1 6.3 female contact of Delphi -visible on the Figures 4 and 5 ). Each contact 3 is housed in a housing element 4, 5. A first housing element 4 comprises locking means 6 for holding the second housing element 5, forming a cover. Once assembled, the first 4 and second 5 housing elements form a tube closed at each of its ends by a wall 7 provided with a passage 8 for each cable portion 2.

Comme représenté sur la figure 2, ce porte-fusible comporte, outre les contacts 3 et les premier 4 et deuxième 5 éléments de boîtier, un support de fusible 9, un fusible 10 et un joint d'étanchéité 11 torique. Le fusible 10 est logé dans le support 9, lui-même logé dans le tube constitué des premier 4 et deuxième 5 éléments de boîtier assemblés l'un avec l'autre. Le joint 11, monté sur le premier élément de boîtier 4, est intercalé entre les premier 4 et deuxième 5 éléments de boîtier, à la manière d'un joint interfacial, afin d'assurer l'étanchéité entre eux (voir figures 4 et 5). Les moyens de verrouillage 6, ici constitués de deux attaches 6a élastiques sont disposées, de manière diamétralement opposée, sur le premier élément de boîtier 4, et munies chacune respectivement d'une encoche 6b dans laquelle vient s'encliqueter un ergot 6c située en correspondance sur le deuxième élément de boîtier 5 (Voir figure 5).As shown on the figure 2 this fuse holder comprises, in addition to the contacts 3 and the first 4 and second 5 housing elements, a fuse holder 9, a fuse 10 and an O-ring 11. The fuse 10 is housed in the support 9, itself housed in the tube consisting of the first 4 and second 5 housing elements assembled with each other. The seal 11, mounted on the first housing element 4, is interposed between the first 4 and second 5 housing elements, in the manner of an interfacial seal, in order to seal them (see FIG. Figures 4 and 5 ). The locking means 6, constituted by two elastic fasteners 6a, are disposed diametrically opposite to the first casing element 4, each of which is provided with a notch 6b in which an interlocking lug 6c is interlocked. on the second housing element 5 (See figure 5 ).

Le premier élément de boîtier 4 est essentiellement constitué d'un culot 4a sensiblement cylindrique avec une face externe 4b partiellement entourée d'une jupe 4c. Les moyens de verrouillage 6 sont partiellement recouverts par un rebord constitué d'une jupe 4c.The first housing element 4 essentially consists of a substantially cylindrical base 4a with an outer face 4b partially surrounded by a skirt 4c. The locking means 6 are partially covered by a flange consisting of a skirt 4c.

Comme représenté sur la figure 3A, le support 9 présente une forme de berceau avec deux parois latérales 12 s'étendant longitudinalement entre deux flasques 13. Deux oreilles latérales 14 élastiques s'étendent chacune respectivement à partir d'une paroi latérale 12. Chacune de ces oreilles latérales 14 est munie d'un cran 14a pour former des moyens de rétention d'un fusible 10 dans son support 9.As shown on the figure 3A , the support 9 has a cradle shape with two lateral walls 12 extending longitudinally between two flanges 13. Two lateral elastic ears 14 each extend respectively from a side wall 12. Each of these side lugs 14 is provided with a notch 14a for forming means for retaining a fuse 10 in its support 9.

Le support 9 comporte également des moyens de guidage et de fixation 15 (Figure 3A). Ceux-ci comprennent deux pattes 15a, diamétralement opposées, comportant chacune respectivement un crochet 15b destiné à retenir ou verrouiller le support 9 sur le premier élément de boîtier 4 (Voir figure 4), dans des évidements postérieurs 17a (position ouverte du support 9) ou antérieurs 17b (position fermée du support 9). Ces deux pattes 15a constituent des moyens de guidage qui permettent de guider et de positionner précisément le support 9 par rapport au premier élément de boîtier 4. Ces deux pattes 15a constituent également des moyens de maintien du joint 11 sur le premier élément de boîtier 4. Les moyens de maintien du joint 11 sont venus de matière avec le support 9.The support 9 also comprises guiding and fixing means 15 ( Figure 3A ). These comprise two legs 15a, diametrically opposed, each respectively comprising a hook 15b for retaining or locking the support 9 on the first housing element 4 (See figure 4 ), in posterior recesses 17a (open position of the support 9) or anterior 17b (closed position of the support 9). These two tabs 15a constitute guide means which make it possible to precisely guide and position the support 9 relative to the first housing element 4. These two tabs 15a also constitute means for holding the gasket 11 on the first housing element 4. The means for holding the gasket 11 are integral with the support 9.

Les figures 3A et 3B illustrent respectivement les positions ouverte et fermée du support 9 sur le premier élément de boîtier 4. Dans la position correspondant à la figure 3A, le support 9 est en position ouverte, ou pré-verrouillée. Dans cette position, le fusible 10 peut être introduit dans le support 9 sans avoir à démonter celui-ci du premier élément de boîtier 4. Le support 9 reste maintenu, mais mobile, sur le premier élément de boîtier 4 grâce au fait que les crochets 15b restent engagés dans les évidements postérieurs 17b. N'ayant pas à démonter complètement le support 9 du premier élément de boîtier 4 pour introduire le fusible 10 dans celui-ci, le joint 11 reste maintenu par les pattes 15a sur le culot 4a.The Figures 3A and 3B respectively illustrate the open and closed positions of the support 9 on the first housing element 4. In the position corresponding to the figure 3A , the support 9 is in the open position, or pre-locked. In this position, the fuse 10 can be introduced into the support 9 without having to dismount it from the first housing element 4. The support 9 remains maintained, but mobile, on the first housing element 4 thanks to the fact that the hooks 15b remain engaged in the posterior recesses 17b. Not having to completely disassemble the support 9 of the first housing element 4 to introduce the fuse 10 into it, the seal 11 remains held by the tabs 15a on the base 4a.

Lorsque le fusible 10 est bien positionné entre les oreilles latérales 14, sous les crans 14a et avec les bornes 10a insérées dans les fentes 13a, le support 9 peut être déplacé longitudinalement, vers sa position fermée, à l'intérieur d'une cavité 18 ménagée dans le culot 4a du premier élément de boîtier 4 et débouchant sur une ouverture 19. Dans ce déplacement, les pattes 15a coulissent dans des rainures 20 disposées longitudinalement, de manière diamétralement opposée, sur la face externe 4b du culot 4a (voir figure 2). Ainsi, lors de l'insertion du support 9 dans le premier élément de boîtier 4, celui-ci ne peut être que correctement orienté, de manière à ce que l'ouverture du contact femelle 3 qui est logé dans le premier élément de boîtier 4 soit alignée avec la borne 10a correspondante.When the fuse 10 is well positioned between the lateral lugs 14, under the notches 14a and with the terminals 10a inserted in the slots 13a, the support 9 can be moved longitudinally, towards its closed position, inside a cavity 18 formed in the base 4a of the first housing element 4 and opening onto an opening 19. In this movement, the lugs 15a slide in grooves 20 arranged longitudinally, diametrically opposite, on the outer face 4b of the base 4a (see figure 2 ). Thus, when inserting the support 9 in the first housing element 4, it can only be correctly oriented, so that the opening of the female contact 3 which is housed in the first housing element 4 is aligned with the corresponding terminal 10a.

Dans cette position fermée du support 9, le deuxième élément de boîtier 5 peut être enfilé sur le support 9 et autour du culot 4a, pour être verrouillé grâce aux moyens de verrouillage 6. Comme on peut le voir notamment sur la figure 1, le deuxième élément de boîtier 5 comporte des moyens de détrompage 16 permettant à un opérateur d'orienter correctement celui-ci par rapport au support 9. Ainsi, lors de son insertion sur le support 9, le deuxième élément de boîtier 5 ne peut être que correctement orienté, de manière à ce que l'ouverture du contact femelle 3 qui est logé dans celui-ci soit alignée avec la borne 10a correspondante.In this closed position of the support 9, the second housing element 5 can be threaded onto the support 9 and around the base 4a, to be locked by the locking means 6. As can be seen in particular on the figure 1 , the second housing element 5 comprises polarization means 16 allowing an operator to correctly orient it with respect to the support 9. Thus, when it is inserted on the support 9, the second housing element 5 can not be that correctly oriented, so as to that the opening of the female contact 3 which is housed therein is aligned with the corresponding terminal 10a.

Comme représenté sur la figure 4, les premier 4 et deuxième 5 éléments de boîtier ainsi assemblés forment un tube fermé et maintenu étanche grâce au joint interfacial 11 et aux joints unitaires filaires 19 sertis avec les câbles 2 sur les contacts 3.As shown on the figure 4 , the first 4 and second 5 thus assembled casing elements form a closed tube and kept tight thanks to the interfacial seal 11 and to the wired unitary joints 19 crimped with the cables 2 on the contacts 3.

Comme on peut également le voir sur la figure 4, le joint 11 est disposé sur le culot 4a essentiellement dans un plan perpendiculaire à la direction d'assemblage A. Il est recouvert par le deuxième élément de boîtier 5 lorsque les deux éléments de boîtier 4, 5 sont assemblés l'un avec l'autre.As can also be seen on the figure 4 the gasket 11 is arranged on the base 4a essentially in a plane perpendicular to the assembly direction A. It is covered by the second housing element 5 when the two housing elements 4, 5 are assembled one with the other. other.

Le premier élément de boîtier 4 comporte une surface biseautée 20, située sous le rebord constitué de la jupe 4c. Elle s'évase dans un sens d'assemblage correspondant à l'insertion d'une portion du deuxième élément de boîtier 5 sous ce rebord. Cette surface biseautée 20 forme une rampe pour amener le joint interfacial 11 sur une assise 21 lors de l'assemblage des premier 4 et deuxième 5 éléments de boîtier l'un avec l'autre.The first housing element 4 comprises a beveled surface 20, located under the flange consisting of the skirt 4c. It flares in an assembly direction corresponding to the insertion of a portion of the second housing element 5 under this flange. This bevelled surface 20 forms a ramp to bring the interfacial seal 11 to a seat 21 when assembling the first 4 and second 5 housing elements together.

Le deuxième élément de boîtier 5 comporte une ouverture 22 évasée au niveau de laquelle sont insérés l'assise 21 et le joint 1.The second housing element 5 has an opening 22 flared at which are inserted the seat 21 and the seal 1.

Le joint 11 est donc au moins en partie protégé par le rebord constitué de la jupe 4c. Ce rebord s'étendant d'une part tout autour du culot 4a et d'autre part dans la direction d'assemblage des premier 4 et deuxième 5 éléments de boîtier l'un avec l'autre. Ainsi, le joint 11 est protégé même lorsque que le deuxième élément de boîtier 5 n'est pas assemblé avec le premier 4. En outre, les pattes 15a peuvent maintenir le joint 11 sur le premier élément de boîtier 5, sous la jupe 4c, lorsque que le support 9 est en position fermée (qui correspond avantageusement à la position de livraison de l'ensemble constitué du premier élément de boîtier 4 et du support 9).The seal 11 is at least partly protected by the flange consisting of the skirt 4c. This flange extending firstly around the base 4a and secondly in the assembly direction of the first 4 and second 5 housing elements with each other. Thus, the seal 11 is protected even when the second housing element 5 is not assembled with the first 4. In addition, the tabs 15a can hold the gasket 11 on the first housing element 5, under the skirt 4c, when the support 9 is in the closed position (which advantageously corresponds to the delivery position of the assembly consisting of the first housing element 4 and the support 9).

On peut également remarquer sur les figures 4 et 5 que le deuxième élément de boîtier 5, enserre de manière étroite le support 9, dans lequel est logé de manière précise le fusible 10, qui lui-même est connecté à des contacts 3 verrouillés de manière fiable et solide dans leur logement respectif.We can also notice on Figures 4 and 5 that the second housing element 5 tightly encloses the support 9, in which is precisely housed the fuse 10, which itself is connected to contacts 3 reliably locked and solid in their respective housing.

Il a été décrit ci-dessus un porte-fusible 1 avec un seul support 9 pour un seul fusible 10, mais selon des variantes, le porte-fusible 1 selon l'invention peut comporter un seul support 9 mais pouvant loger plusieurs fusibles 10 ou encore plusieurs supports 9 logeant chacun un ou plusieurs fusibles 10.It has been described above a fuse holder 1 with a single support 9 for a single fuse 10, but according to variants, the fuse holder 1 according to the invention may comprise a single support 9 but can accommodate several fuses 10 or still several supports 9 each housing one or more fuses 10.

Claims (6)

  1. A fuse holder comprising two housing elements (4, 5) which, once assembled, make it possible to accommodate at least one fuse (10), wherein one housing element (4) of the two housing elements (4, 5) comprises a cap (4a) extending longitudinally in a direction (A) of assembly of the two housing elements (4, 5) with each other, characterized in that it comprises
    - locking means (6) a part of which is situated on one housing element (4) of the housing elements (4, 5) and another part of which is situated on the other housing element (5) of the housing elements (4, 5) to retain the housing elements (4, 5) assembled together and to form a tube closed at each of its ends by a wall (7) comprising a passage (8) for a cable portion (2), and
    - a seal (11) disposed on the cap (4a) essentially in a plane perpendicular to the assembly direction (A) and covered by the other housing element (5) when the two housing elements (4, 5) are locked together, wherein one housing element (4) of the two housing elements (4, 5) essentially consists of the cap (4a) and
    comprises a rim (4c) molded in one piece with the cap (4a) extending on the one hand all around the cap (4a) and on the other hand in the direction (A) of assembly of the two housing elements (4, 5) with each other, characterized in that
    the fuse holder comprises means (15a) for retaining the seal (11) mobile between an open position and a closed position in which the seal (11) is retained on the housing element (4) on which it is mounted when the housing elements (4, 5) are not assembled together, and in that
    the means (15a) for retaining the seal (11) are in one piece with a support (9) in which at least one fuse (10) is accommodated.
  2. The fuse holder as claimed in any one of claim 1, the two portions of the locking means (6) inter-engaging with each other to lock the housing elements (4, 5) when they are assembled together, wherein the locking means (6) are at least partly covered by the rim (4c).
  3. The fuse holder as claimed in any one of claims 1 to 2, wherein one housing element (4) of the housing elements (4, 5) comprises a beveled surface (20) situated at least in part under the rim (4c) and flared in an assembly direction corresponding to the insertion of a portion (22) of the other housing element (5) under the rim (4c), this beveled surface (20) forming a ramp for leading the seal (11) onto a seating (21) on assembling the housing elements (4, 5) together.
  4. The fuse holder as claimed in claim 3, wherein one housing element (5) comprises a flared opening (22) into which are inserted the seating (21) and the seal (11) situated on the other housing element (4).
  5. The fuse holder as claimed in any one of the preceding claims, wherein the seal (11) is an O-ring seal.
  6. The fuse holder as claimed in any one of the preceding claims, wherein each housing element (4 or 5) comprises at least one contact (3) intended to make an electrical connection with a terminal (10a) of a fuse (10) and electrically connected to a cable (2) and wherein each housing element (4 or 5) comprises at least one cable passage (8) and a wire seal (19) inserted between each cable (2) and this passage (8).
EP14815695.3A 2013-12-19 2014-12-17 Sealed fuse holder Active EP3084802B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1363104A FR3015766A1 (en) 2013-12-19 2013-12-19 SEALED FUSE HOLDER
PCT/EP2014/078323 WO2015091704A1 (en) 2013-12-19 2014-12-17 Sealed fuse holder

Publications (2)

Publication Number Publication Date
EP3084802A1 EP3084802A1 (en) 2016-10-26
EP3084802B1 true EP3084802B1 (en) 2017-09-27

Family

ID=50828991

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14815695.3A Active EP3084802B1 (en) 2013-12-19 2014-12-17 Sealed fuse holder

Country Status (5)

Country Link
US (1) US9728366B2 (en)
EP (1) EP3084802B1 (en)
CN (1) CN106104743B (en)
FR (1) FR3015766A1 (en)
WO (1) WO2015091704A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3015765B1 (en) * 2013-12-19 2016-12-30 Delphi Int Operations Luxembourg Sarl FUSE HOLDER
CN106206202A (en) * 2016-08-24 2016-12-07 铁岭市世纪电力设备有限公司 Injection fuse box is locked in one
FR3055475B1 (en) * 2016-08-26 2021-06-11 Upeca ELECTRICAL CONNECTION AND CONNECTION KIT
JP7396203B2 (en) 2020-06-01 2023-12-12 株式会社オートネットワーク技術研究所 Connectors with built-in fuses and connector structures

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US3356806A (en) * 1965-10-11 1967-12-05 Mc Graw Edison Co Protectors for electric circuit
US3417359A (en) * 1966-10-28 1968-12-17 Mc Graw Edison Co Protectors for electric circuits
GB2094077A (en) * 1981-03-02 1982-09-08 Bosley Sydney Stanley In-line fuse holders
US4909761A (en) * 1989-05-10 1990-03-20 Gould, Inc. In-line breakaway fuse holder
US5267879A (en) * 1992-11-03 1993-12-07 Gould Inc. Panel mount fuse assembly
US5648749A (en) * 1995-09-19 1997-07-15 Lin; Kuang Ts'an Cartridge fuse mounting structure
TW342997U (en) * 1997-10-24 1998-10-11 Wen-Tzung Jeng Rapid conduct structure for wire
US7914309B2 (en) * 2007-03-20 2011-03-29 Fci Electrical connector comprising a mat seal and a ramp system for compressing the mat seal
US8342885B2 (en) * 2011-05-09 2013-01-01 Yazaki North America, Inc. Serviceable inline AC fuse holder
US8454390B2 (en) * 2011-06-02 2013-06-04 Cooper Technologies Company Inline fuse holder assembly
US8517768B2 (en) * 2011-08-11 2013-08-27 Ideal Industries, Inc. Breakaway fuse holder

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Also Published As

Publication number Publication date
US9728366B2 (en) 2017-08-08
WO2015091704A1 (en) 2015-06-25
US20160307720A1 (en) 2016-10-20
CN106104743A (en) 2016-11-09
FR3015766A1 (en) 2015-06-26
EP3084802A1 (en) 2016-10-26
CN106104743B (en) 2018-12-11

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