EP1463149A1 - Procédé pour rendre étanche un cable de liaison multibrins de mise à la masse - Google Patents
Procédé pour rendre étanche un cable de liaison multibrins de mise à la masse Download PDFInfo
- Publication number
- EP1463149A1 EP1463149A1 EP04290765A EP04290765A EP1463149A1 EP 1463149 A1 EP1463149 A1 EP 1463149A1 EP 04290765 A EP04290765 A EP 04290765A EP 04290765 A EP04290765 A EP 04290765A EP 1463149 A1 EP1463149 A1 EP 1463149A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strands
- cable
- resin
- sheath
- crimping
- 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.)
- Granted
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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
- 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
- H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/187—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping combined with soldering or welding
-
- 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
- H01R13/5216—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins
Definitions
- the present invention relates to a method to seal a multi-strand connecting cable, in particular a grounding cable, either provided an electrical connection terminal, in particular with part of the body or other massive structure analog of a motor vehicle, either connected to other similar cables by a splice, and also relates to cables sealed by this process as well as the electrical devices to which these waterproof cables are connected.
- connection cables comprising usually each several metal strands flexible, housed inside a sheath or insulating jacket.
- connection cables electrical, including grounding When this volume delimited by the case is connected to the outside by connection cables electrical, including grounding, these pressure variations are exerted at the end of wires or strands of these cables which ends up in the case, and can be transmitted to each other end, located outside of it.
- the electrical cable is made up of several flexible metal strands, as is the most general case, the free spaces between these strands themselves according to the length of the cable and / or between the peripheral strands and its insulating sheath, are not waterproof due in particular to the game between these strands and between them and their sheath, so the aforementioned pressure variations are transmitted from one end to the other.
- the interstices between the strands being very narrow, these behave like capillary tubes vis-à-vis the liquid fluids which can bathe their end, outside the housing.
- the ends of the connecting cables are either joined to a housing supplying an organ any electric vehicle or box waterproof interconnection, or are arranged at the interior of the passenger compartment itself, in an area which stays dry all the time.
- opposite ends in the case of cables of grounded, are usually attached directly by connection lugs with the body of the vehicle and are thus subject to projections of water, or even a possible complete immersion in a liquid medium, immersion which can be temporary but which can also be prolonged during a notable duration.
- connection lugs This can be avoided by locating the grounding points by the connection lugs in specific areas of the passenger compartment which always stay away from splashes or runoff.
- this solution is not possible if one wishes always have ground connections that are very short.
- the strands metallic cables are welded together, general by the known technique called ultrasound, and also soldered to the single grounding cable mass, sealing being carried around this welding inside a case or a similar envelope which surrounds the whole, in restoring the continuity of the sheaths of the different son.
- ultrasound the known technique
- this does not remove the possibility for the water to go from one wire to another at inside this confinement.
- the subject of the present invention is a method to seal a cable, and more particularly a ground connection cable, especially at a connection terminal with this one, or even a splice bringing together such earth cable with its connection terminal to several other cables, which can be implemented together with the classic operations of crimping the terminal or making the splice, which avoids any intervention the cable, the process opposing the migration of a fluid, generally water, along the strands of this cable, between the terminal and / or splice at one end and one device electrically connected to the cable provided with its terminal at its opposite end, or to other cables coming out of the splice.
- the invention also relates to cables and connection splices made watertight by placing work of this process.
- the method according to the invention applicable to a cable comprising a plurality of flexible metal strands, surrounded by a sheath protective insulation, characterized in that it consists, after having stripped one end of the strands by local removal of the cable sheath to crimp a connection terminal or to join said welded end at the end also stripped of the strands of other cables to form a splice, for crimping the terminal or soldering of cable strands by depositing preferably simultaneously on and between these strands a determined amount of a high strength resin wettability with respect to the metal of these strands and of their sheath, in order to fill the interstices capillaries between them and / or their sheath for seal the cable in the direction of its opposite end.
- the process consists in exposing these strands locally metal beyond the crimp bracelet of the lug up to a tightening ring of the sheath of the cable, away from the terminal, and make the crimping, preferably concomitant, of the wings of the bracelet and clamping ring, respectively on the bare strands and on the cable sheath, in preferably depositing simultaneously in the area between the bracelet and the ring, the quantity determined resin ensuring the tightness of this cable.
- the bracelet is cut out. crimping, to the right of the deposit area of the resin on the bare strands of the cable, to form a notch in the bracelet, through which we deposit the resin so that it is distributed and spreads easily on and between strands.
- the process consists in making the mechanical junction and electrical strands of these cables, previously stripped, preferably depositing simultaneously the determined amount of resin at the strand bond to make them waterproof towards their respective ends.
- the resin deposited on the strands of the cable is highly surfactant, inert or likely to polymerize in situ.
- the resin is preferably consisting of a hydrophobic product.
- the resin can be colored for allow an optical control of its deposit and its distribution between the strands by means of a camera automatic.
- the resin is deposited by means of a tube or the like extending in a direction substantially perpendicular to that of the stripped strands of the cable, this tube having preferably a beveled end or the like, shaped to closely match the profile in look of these strands.
- reference 1 designates a conventional electrical connection cable, formed by a set of flexible metal strands 2, surrounded by an insulating protective sheath 3, these strands 2 being in particular intended to be placed ground by a connection terminal 4, able to be crimped on one end of the cable 1.
- the terminal 4 has a tab 5 for fixing it on a support 6, not shown in Figure 1 but visible on the Figure 2, constituting an appropriate ground point, such as in particular that an element of the body of a motor vehicle (not shown).
- Leg 5 includes for this purpose a central bore 7 for the mounting a locking screw (also not shown on the drawing).
- connection terminal 4 has crimping means 8 on the end of the cable where the insulating sheath 3 is previously cut to reveal bare strands metallic 2, so as to allow contact electric satisfying these 8 means with these strands.
- these means 8 comprise, on the one hand, a crimping bracelet 9, comprising two separate wings, respectively 10 and 11, to clamp the metal strands 2 together in the part of these strands where the insulating sheath 3 has been removed, on the other hand a clamping ring 12, also split, suitable for surrounding and hold the sheath 3 beyond the bracelet 9.
- Figure 3 shows, in longitudinal section, the end of the cable 1 with its strands 2 and its sheath insulating 3.
- This figure also represents schematically, the means to ensure the crimping of bracelet 9 on the strands metallic 2 previously stripped and tightening the ring 12 on the sheath 3, these means comprising two punches or the like, respectively 13 to right of the bracelet and 14 opposite the ring.
- Hallmarks 13 and 14 cooperate with an anvil or the like 15, fixed, and with grooves, respectively 16 ( Figure 4) and 17 ( Figure 5), to receive and maintain place the end of cable 1, right respectively bracelet 9 and ring 12.
- the method then consists, as shown in Figure 3, preferably from simultaneously with crimping operations of the bracelet 9 and tightening of the ring 12, respectively on the bare metal strands 2 to the end of the cable and on the insulating sheath 3 of as indicated above, to be injected into the cable area between the bare strands 2 of this one, which are between bracelet 9 and the ring 12, an appropriate amount of a resin or equivalent product, suitable for sealing the cable and in particular to remove any possibility of flow of a liquid fluid, in particular water, between these strands 2 inside the insulating sheath 3, beyond the terminal 4.
- the crimping installation additionally comprises a tube 22, joined by a bond 23 to a resin source 25 or a product similar, delivered by the end of this tube in the aforementioned region which separates bracelet 9 from the ring 12.
- the wings 10 and 11 of bracelet 9 are cut to present in this one notch 24, leaving free space sufficient between the bracelet and the ring so that deposits an appropriate amount 25 of the resin delivered by the tube 22.
- the end 26 of this tube by which leaves the resin brought into contact with the strands 2 of cable 1 has a beveled shape so to match as best as possible the profile of the strands in the area of transition between the ring and the bracelet.
- This resin 25 is preferably chosen strongly surfactant and having a high coefficient of wettability with respect to the metal which constitutes the 2 strands of cable, usually copper.
- This resin may be inert or polymerizable, and if it does not polymerize, must have good hydrophobic properties to oppose the penetration of water into the interstices which form narrow capillary tubes between the strands 2 and between them and the insulating sheath 3, and also between these strands to the right of the bracelet crimping 9 where, due to the partial crushing of strands by the deformation of the wings 10 and 11, these interstices are even narrower.
- these interstices initially filled with air are gradually occupied by the resin which forms a rigid plug, making the cable perfectly waterproof and avoiding any rising water from the connection terminal of ground to the opposite end of the cable which enters a case (not shown) where it can be directly connected to a device electrical or electronic control or motor vehicle control.
- the ground cable 50 is designed to be connected to several similar cables 54 and 55, by a splice, schematically designated as a whole under reference 56, the cables 54 and 55 being connected directly to housings waterproof (not shown).
- one of the electrode holders in this case the electrode holder 63 is equipped with a tube 65 to bring an appropriate amount of resin 66 to the right of the weld zone between the strands 51, this resin 66, of the same nature as that used in the first example, allowing the right of splice 56 to make the bond of various strands perfectly waterproof and avoid that any water from pod 53 and traveling between the strands 51 under the insulating sheath 52 of the first cable 50, does not cross the splice 56 and progresses beyond, through the gaps capillaries between the strands and the sheaths, the inside of cables 54 and 55.
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Processing Of Terminals (AREA)
- Cable Accessories (AREA)
- Insulated Conductors (AREA)
Abstract
Description
- la Figure 1 est une vue en perspective, partiellement éclatée, de l'extrémité d'un câble de masse et d'une cosse de connexion prévue pour être sertie sur cette extrémité au cours d'une opération réalisant simultanément l'étanchéité de ce câble;
- la Figure 2 est une vue de dessus, à légèrement plus grande échelle, du câble de la Figure 1, avec la cosse de connexion représentée montée sur son extrémité ;
- la Figure 3 est une vue schématique, en coupe longitudinale, de l'appareillage utilisé pour réaliser le sertissage de la cosse sur l'extrémité du câble et le rendre simultanément étanche par un dépôt de résine, conformément au procédé de l'invention ;
- les Figures 4, 5 et 6 sont des vues en coupe, respectivement selon les lignes IV-IV, V-V et VI-VI de la Figure 2, sur lesquelles apparaissent également les outils de sertissage illustrés sur la Figure 3 ;
- la Figure 7 est une vue schématique, en coupe longitudinale partielle, d'une variante où le procédé s'applique à une épissure entre plusieurs câbles.
Claims (11)
- Procédé pour rendre étanche un câble, notamment un câble de mise à la masse, applicable à un câble (1,50) comportant une pluralité de brins métalliques souples (2,51), entourés par une gaine isolante de protection (3,52), caractérisé en ce qu'il consiste, après avoir dénudé une extrémité des brins par enlèvement localisé de la gaine du câble pour y sertir une cosse de connexion (4) ou pour réunir ladite extrémité par soudure à l'extrémité également dénudée des brins (57,58) d'autres câbles (54,55) pour former une épissure (56), à réaliser le sertissage de la cosse ou la soudure des brins des câbles en déposant de préférence simultanément sur et entre ces brins une quantité déterminée d'une résine (25,66) à forte mouillabilité vis-à-vis du métal de ces brins et de leur gaine, afin de remplir les interstices capillaires entre ceux-ci et/ou leur gaine pour rendre le câble de mise à la masse étanche en direction de son extrémité opposée.
- Procédé selon la revendication 1, dans lequel on sertit une cosse de connexion (4) sur une extrémité des brins (2) du câble, cette cosse comportant une patte de fixation (5) prolongée par un bracelet de sertissage (9) formé par deux ailes (10,11) entourant ladite extrémité, caractérisé en ce qu'il consiste à mettre à nu localement ces brins métalliques au delà du bracelet de sertissage de la cosse jusqu'à un anneau de serrage (12) de la gaine (4) du câble, à distance de la cosse, et à réaliser le sertissage, de préférence concomitant, des ailes du bracelet et de l'anneau de serrage, respectivement sur les brins dénudés et sur la gaine du câble, en déposant de préférence simultanément dans la zone délimitée entre le bracelet et l'anneau, la quantité déterminée de résine (25) assurant l'étanchéité de ce câble.
- Procédé selon la revendication 2, caractérisé en ce que la résine est également déposée au droit du bracelet de sertissage (9).
- Procédé selon l'une des revendications 2 ou 3, caractérisé en ce qu'on découpe le bracelet de sertissage (9), au droit de la zone de dépôt de la résine (25) sur les brins dénudés (2) du câble, pour former une échancrure (24) dans le bracelet.
- Procédé selon la revendication 1, dans lequel on réunit les brins (51)du câble aux extrémités des brins (57,58) d'autres câbles par soudure pour constituer une épissure, caractérisé en ce qu'il consiste à réaliser la jonction mécanique et électrique des brins de ces câbles, préalablement dénudés, en déposant de préférence simultanément la quantité déterminée de résine (66) à la liaison des brins pour les rendre étanches en direction de leurs extrémités respectives.
- Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la résine (25,66) déposée sur les brins (2, 51) du câble de mise à la masse est fortement tensio-active, inerte ou susceptible de polymériser in situ.
- Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que, si la résine ne polymérise pas, elle est constituée d'un produit hydrophobe.
- Procédé selon l'une des revendications précédentes, caractérisé en ce que la résine (25,66) est colorée pour permettre un contrôle optique de son dépôt et de sa répartition entre les brins.
- Procédé selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'on réalise le dépôt de la résine (25,66) au moyen d'un tube (22,65) ou organe similaire, s'étendant dans une direction sensiblement perpendiculaire à celle des brins dénudés (2,51) du câble, ce tube présentant de préférence une extrémité en biseau ou autre, conformée pour épouser au plus près le profil en regard de ces brins.
- Câble étanche multibrins, notamment de mise à la masse, obtenu par le procédé selon l'une quelconque des revendications 1 à 9.
- Dispositif électrique de contrôle ou de commande, notamment pour équipement d'un véhicule automobile, comportant au moins un câble selon la revendication 10.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0303610A FR2853151A1 (fr) | 2003-03-25 | 2003-03-25 | Procede pour rendre etanche un cable de liaison multibrins de mise a la masse |
| FR0303610 | 2003-03-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1463149A1 true EP1463149A1 (fr) | 2004-09-29 |
| EP1463149B1 EP1463149B1 (fr) | 2007-05-16 |
Family
ID=32799731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04290765A Expired - Lifetime EP1463149B1 (fr) | 2003-03-25 | 2004-03-23 | Procédé pour rendre étanche un câble de liaison multibrins |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1463149B1 (fr) |
| AT (1) | ATE362661T1 (fr) |
| DE (1) | DE602004006458T2 (fr) |
| ES (1) | ES2282818T3 (fr) |
| FR (1) | FR2853151A1 (fr) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2910693A1 (fr) * | 2006-12-22 | 2008-06-27 | Peugeot Citroen Automobiles Sa | Cable electrique et procede d'isolation de cable electrique |
| FR2910694A1 (fr) * | 2006-12-22 | 2008-06-27 | Peugeot Citroen Automobiles Sa | Cable electrique et procede d'isolation de cable electrique |
| FR2929048A1 (fr) * | 2008-03-21 | 2009-09-25 | Leoni Wiring Systems France Sa | Ensemble de raccordement electrique et procede de fabrication de l'ensemble |
| FR2932021A1 (fr) * | 2008-06-03 | 2009-12-04 | Leoni Wiring Systems France | Installation et procede de fabrication d'un article comprenant un cable electrique |
| FR2947105A1 (fr) * | 2009-06-18 | 2010-12-24 | Cml Innovative Technologies | Dispositif de connexion electrique, systeme de distribution de tels dispositifs et procede de montage d'un cable electrique dans un tel dispositif |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008041382A1 (de) * | 2008-08-20 | 2010-02-25 | Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg | Anschlussterminal mit einer Vergießung einer Elektroleitung und ein Verfahren zur Herstellung der Vergießung |
| DE102013205235B4 (de) * | 2013-03-25 | 2024-10-17 | Te Connectivity Germany Gmbh | Crimpverbindung sowie Crimpelement, Crimpvorrichtung und Verfahren zum Herstellen einer Crimpverbindung |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4117016A1 (de) * | 1990-05-25 | 1991-12-12 | Yazaki Corp | Pressverbindungsvorrichtung zum verbinden von kabeln und pressverbindungsverfahren |
| EP1098086A1 (fr) * | 1999-11-04 | 2001-05-09 | Clements Manufacturing, L.L.C | Connection électrique pour une pompe montée dans un réservoir de carburant |
| US6334798B1 (en) * | 1999-04-15 | 2002-01-01 | Yazaki Corporation | Method of and structure for connecting electric wire and connecting terminal |
| EP1235305A2 (fr) * | 2001-02-26 | 2002-08-28 | Yazaki Corporation | Connecteur |
| US20020127915A1 (en) * | 1999-12-09 | 2002-09-12 | Yazaki Corporation | Waterproofing apparatus for terminal connecting portion of sheathed wire |
-
2003
- 2003-03-25 FR FR0303610A patent/FR2853151A1/fr not_active Withdrawn
-
2004
- 2004-03-23 AT AT04290765T patent/ATE362661T1/de not_active IP Right Cessation
- 2004-03-23 DE DE602004006458T patent/DE602004006458T2/de not_active Expired - Lifetime
- 2004-03-23 ES ES04290765T patent/ES2282818T3/es not_active Expired - Lifetime
- 2004-03-23 EP EP04290765A patent/EP1463149B1/fr not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4117016A1 (de) * | 1990-05-25 | 1991-12-12 | Yazaki Corp | Pressverbindungsvorrichtung zum verbinden von kabeln und pressverbindungsverfahren |
| US6334798B1 (en) * | 1999-04-15 | 2002-01-01 | Yazaki Corporation | Method of and structure for connecting electric wire and connecting terminal |
| EP1098086A1 (fr) * | 1999-11-04 | 2001-05-09 | Clements Manufacturing, L.L.C | Connection électrique pour une pompe montée dans un réservoir de carburant |
| US20020127915A1 (en) * | 1999-12-09 | 2002-09-12 | Yazaki Corporation | Waterproofing apparatus for terminal connecting portion of sheathed wire |
| EP1235305A2 (fr) * | 2001-02-26 | 2002-08-28 | Yazaki Corporation | Connecteur |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2910693A1 (fr) * | 2006-12-22 | 2008-06-27 | Peugeot Citroen Automobiles Sa | Cable electrique et procede d'isolation de cable electrique |
| FR2910694A1 (fr) * | 2006-12-22 | 2008-06-27 | Peugeot Citroen Automobiles Sa | Cable electrique et procede d'isolation de cable electrique |
| FR2929048A1 (fr) * | 2008-03-21 | 2009-09-25 | Leoni Wiring Systems France Sa | Ensemble de raccordement electrique et procede de fabrication de l'ensemble |
| WO2009125113A3 (fr) * | 2008-03-21 | 2009-12-03 | Leoni Wiring Systems France | Ensemble de raccordement electrique et procede de fabrication de l'ensemble |
| FR2932021A1 (fr) * | 2008-06-03 | 2009-12-04 | Leoni Wiring Systems France | Installation et procede de fabrication d'un article comprenant un cable electrique |
| WO2009156653A1 (fr) * | 2008-06-03 | 2009-12-30 | Leoni Wiring Systems France | Installation et procede de fabrication d'un article comprenant un cable electrique |
| FR2947105A1 (fr) * | 2009-06-18 | 2010-12-24 | Cml Innovative Technologies | Dispositif de connexion electrique, systeme de distribution de tels dispositifs et procede de montage d'un cable electrique dans un tel dispositif |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1463149B1 (fr) | 2007-05-16 |
| ATE362661T1 (de) | 2007-06-15 |
| DE602004006458D1 (de) | 2007-06-28 |
| FR2853151A1 (fr) | 2004-10-01 |
| DE602004006458T2 (de) | 2008-01-17 |
| ES2282818T3 (es) | 2007-10-16 |
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