EP0000731B1 - Procédé de réalisation de dérivations sur un câble électrique isolé - Google Patents
Procédé de réalisation de dérivations sur un câble électrique isolé Download PDFInfo
- Publication number
- EP0000731B1 EP0000731B1 EP78100502A EP78100502A EP0000731B1 EP 0000731 B1 EP0000731 B1 EP 0000731B1 EP 78100502 A EP78100502 A EP 78100502A EP 78100502 A EP78100502 A EP 78100502A EP 0000731 B1 EP0000731 B1 EP 0000731B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cable
- incision
- conductor
- sheath
- conductor element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
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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
-
- 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
- H01R4/02—Soldered or welded connections
- H01R4/021—Soldered or welded connections between two or more cables or wires
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49174—Assembling terminal to elongated conductor
Definitions
- the invention relates to a method for producing branches on an electrical cable insulated by a continuous sheath, in which an electrical connection point is formed at a branch point of the cable having a core within the sheath, the sheath being opened in the region of the branch point and through which Opening a piece of ladder sticks into the inside of the shell.
- At least one cable end is first stripped.
- the cable is further stripped over a predetermined small distance in the area of the branch to be formed, and a conductor piece is then inserted into the interior of the cable in such a way that the small cables located here and forming the soul, which are individually insulated again, do not have their own insulation to be damaged.
- a conductive solution liquid is introduced and after the formation of electrical connections, the electrical connection between the conductor piece and the desired small cable within the soul is produced via the conductive solution liquid.
- the present invention has for its object to provide a method according to the preamble of claim 1, which allows the creation of large contact areas in a very simple manner within wide limits and keeps stripping work of negligible order of magnitude.
- the solution according to the invention consists in a method of the generic type in that the sheath is opened by an access to the electrically conductive part of the core of the cable giving incision, the conductor piece between the electrically conductive part of the core of the cable and the insulating sheath under friction by the Formed access is inserted such that the conductor piece lies on a predetermined length extension of the cable in contact with the electrically conductive part of the soul.
- Cutting in with an appropriate tool is very easy to do, although stripping work is not really necessary.
- the size of the contact surface can be easily adapted to the desired size. Since the incision gives direct access to the electrically conductive part of the soul, aids such as electrically conductive solution liquids and the like are not required.
- the use of equipment for carrying out the method is also extremely small. In principle, nothing is required other than the tool for making the incision and the conductor pieces themselves. Flanging work and also welding or soldering work are not absolutely necessary, at least in principle.
- Preferred embodiments of the method according to the invention result from the subclauses.
- the cable can be expedient to bend the cable at the location of the incision in the order of 90 °, so that the resulting widening of the incision on the outer jacket of the sheath makes it easier to insert the conductor piece.
- the lateral lips of the insertion incision are expanded elastically.
- a line piece with an essentially rectangular cross section is used. Its part protruding from the cable is preferably bent over after insertion.
- two lines are inserted through the access created in opposite directions, the two sections of which lie outside the cable and are mechanically and electrically connected to one another in such a way that the branch cannot be detached.
- the two conductor section sections are twisted together outside the main cable.
- the welding can take place after local preheating by compressing the end of the conductor section or sections as close as possible to the branch point between two graphite electrodes, which are caused by a current of great strength.
- Other types of welding or soldering are also possible.
- the incision is closed by a sealant.
- the connection zone can be easily encapsulated with a suitable material. In this case it is also possible to achieve the tightness of the connection zone by surrounding it with two insulating half-shells.
- the incision for the insertion is made at the point of the junction, either by grinding the insulating sheath or by inserting it with a suitable tool.
- FIG. 2 shows a section of an electrical cable 1 which has a conductive core 2, which is formed, for example, from a wire strand 3 and which is surrounded by a continuous insulating sheath 4.
- a cut 5 in the form of a cylindrical segment is machined into the insulating sheath 4, which gives access to the conductive core 2 and defines the lips 6 and 7.
- the cable section according to FIG. 2 is subjected to an inclination of approximately 90 ° in order to elastically remove the lips 6 and 7 from one another and thus to facilitate the insertion of one or more conductor pieces which are to form the branch. If the branch is produced using only a single conductor section, this is inserted into the incision 5 in a position as shown by the conductor section 8. The end 10 of this conductor piece is then bent up and then takes the position as shown in Fig. 4.
- the branch is constructed from two conductor pieces 8 and 9, as shown in the exemplary embodiment, these conductor pieces are inserted one after the other, as can be seen from FIG. 3.
- the end 11 of this conductor piece 9 is first bent so that the insertion of the second conductor piece 8 is easily possible, as can be seen in FIG. 3.
- the conductor pieces are in longitudinal alignment of the core 2 in contact with it by means of the sections 12 and 13, while the ends 10 and 11, which are then at right angles, are adjacent to each other, as shown in fig. 4 can be seen.
- the two ends 10 and 11 can be firmly connected to one another, for example by twisting, as shown in FIG. 5.
- Fig. 1 shows the possibility of providing a plurality of corresponding branches 15 on a continuous cable 14.
- the incision 5 can be made by grinding or by piercing or piercing using a suitable tool.
- the conductor pieces 8 and 9 can be adapted to the problem to be solved in each case.
- they have a rectangular cross section, their width defining the contact area with the conductive core and their thickness determining the strength of the insertion and the clamping between the sheath 4 and the core 2, on the one hand, and the possible current intensity of the current to be branched, on the other hand.
- sections 12 and 13 have a length of the order of 30 mm, for example. 5, the two ends 10 and 11 are twisted together and cut to length. However, they can also be covered with a common cable lug to be crimped and can be electrically connected in this way.
- the insulating sleeve 4 is close to the The circumference of the ends 10 and 11 of the conductor pieces, which protrude from the sheath, the tightness can be improved even further, if, for example, cable branches are to be used in damp locations by applying a sealant locally in the area of the incision.
- FIG. 6 Another possibility of forming a seal in the area of the connection between the cable 1 and the conductor pieces 8 and 9 is shown in FIG. 6.
- the line piece 8 is insulated by a sheath 21 in its area which has not been used to form the connection.
- a encapsulation 22 surrounds the entirety of the connection zone and ensures tightness both on the sheath 4 of the cable 1 and on the sheath 21 of the conductor piece 8.
- FIG. 7 Another way of forming a seal is shown in FIG. 7.
- the conductor piece 8 is insulated by a sheath 21 in the area which has not been used to form the connection.
- the cable should have a certain flexibility.
- the cable can have a simple insulating sheath or a sheath made of a composite material. It can also be considered in certain applications to give sections 12 and 13 a cylindrical segment-shaped profile in order to achieve an optimal contact area with the conductive core of the cable.
- the branch according to the invention prepares for reinforcement by welding in a particularly simple manner.
- a method of working can be selected which includes direct heating through the Joule effect.
- the twisted branch piece 15 After local preheating at the level of the branch, the twisted branch piece 15 is clamped as close as possible to the point of the branch between two graphite electrodes 17 and 18, which are connected to conductors 19 and 20 of a circuit through which heavy current flows. Local warming continues through heat conduction to soul 2. The end of the wire 16 melts and the tin is gravitationally infiltrated between the two sections 12 and 13 of the conductor pieces and the core of the cable.
- an insulating sleeve 4 for example made of an elastomer or a thermoplastic elastomer, which resists the local temperature increase.
- the corresponding ends of the conductor pieces can also be tinned to prepare for welding.
- the branch can also be formed from one or more than two conductor pieces.
- the method according to the invention enables the use of multiple forms of implementation which can be adapted to a particular degree to the connection problem to be solved in each case.
Landscapes
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Processing Of Terminals (AREA)
- Insulated Conductors (AREA)
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7723395A FR2399139A1 (fr) | 1977-07-29 | 1977-07-29 | Derivations multiples sur conducteurs electriques isoles par une gaine continue |
FR7723395 | 1977-07-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0000731A1 EP0000731A1 (fr) | 1979-02-21 |
EP0000731B1 true EP0000731B1 (fr) | 1980-12-10 |
Family
ID=9193996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP78100502A Expired EP0000731B1 (fr) | 1977-07-29 | 1978-07-26 | Procédé de réalisation de dérivations sur un câble électrique isolé |
Country Status (7)
Country | Link |
---|---|
US (1) | US4216578A (fr) |
EP (1) | EP0000731B1 (fr) |
JP (1) | JPS5463290A (fr) |
DE (1) | DE2860294D1 (fr) |
ES (1) | ES472192A1 (fr) |
FR (1) | FR2399139A1 (fr) |
IT (1) | IT1097429B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110289534A (zh) * | 2019-07-02 | 2019-09-27 | 无锡振特电子有限公司 | 一种电动汽车线束的生产工艺 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1979485A (en) * | 1930-04-16 | 1934-11-06 | Lloyd J Mcpartlin | Rubber safety socket |
US1980197A (en) * | 1932-04-06 | 1934-11-13 | Bell Telephone Labor Inc | Method of sealing conductors in plates |
US2260121A (en) * | 1939-11-27 | 1941-10-21 | Mines Equipment Company | Wiring device |
US2315720A (en) * | 1941-03-15 | 1943-04-06 | Bell Telephone Labor Inc | Electrical connecting device |
US2845605A (en) * | 1954-05-06 | 1958-07-29 | Vector Mfg Company | Cable take-out |
US3153119A (en) * | 1962-03-21 | 1964-10-13 | Oliver M Hart | Portable insulated electric distribution structure and method of manufacture thereof |
US3325765A (en) * | 1964-07-30 | 1967-06-13 | Neoline Inc | Portable electrical power distribution apparatus and method of manufacture thereof |
US3248475A (en) * | 1964-11-18 | 1966-04-26 | Trylon Inc | Antenna insulator |
GB1311067A (en) * | 1970-08-07 | 1973-03-21 | British Insulated Callenders | Electric cables |
GB1394831A (en) * | 1971-05-18 | 1975-05-21 | British Insulated Callenders | Electric cable jointing techniques |
IT996720B (it) * | 1973-09-21 | 1975-12-10 | Fiat Spa | Procedimento per munire di termi nali un microcavo |
DE2421128A1 (de) * | 1974-05-02 | 1975-11-13 | Gummi Roller Gmbh & Co Kg | Schlauch |
-
1977
- 1977-07-29 FR FR7723395A patent/FR2399139A1/fr active Granted
-
1978
- 1978-07-19 US US05/925,911 patent/US4216578A/en not_active Expired - Lifetime
- 1978-07-26 DE DE7878100502T patent/DE2860294D1/de not_active Expired
- 1978-07-26 EP EP78100502A patent/EP0000731B1/fr not_active Expired
- 1978-07-27 IT IT26158/78A patent/IT1097429B/it active
- 1978-07-28 JP JP9163978A patent/JPS5463290A/ja active Pending
- 1978-07-29 ES ES472192A patent/ES472192A1/es not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110289534A (zh) * | 2019-07-02 | 2019-09-27 | 无锡振特电子有限公司 | 一种电动汽车线束的生产工艺 |
Also Published As
Publication number | Publication date |
---|---|
JPS5463290A (en) | 1979-05-22 |
EP0000731A1 (fr) | 1979-02-21 |
US4216578A (en) | 1980-08-12 |
FR2399139B1 (fr) | 1981-07-03 |
ES472192A1 (es) | 1979-02-16 |
IT7826158A0 (it) | 1978-07-27 |
IT1097429B (it) | 1985-08-31 |
FR2399139A1 (fr) | 1979-02-23 |
DE2860294D1 (en) | 1981-02-19 |
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