WO2020157134A1

WO2020157134A1 - Cable branching means

Info

Publication number: WO2020157134A1
Application number: PCT/EP2020/052169
Authority: WO
Inventors: Robert Schädel; Dietmar Lörcher
Original assignee: Amphenol Tuchel Industrial GmbH
Priority date: 2019-01-29
Filing date: 2020-01-29
Publication date: 2020-08-06
Also published as: DE102019102156A1

Abstract

The invention relates to a branching means for electrically connecting a first line and a second line to at least a third line. The lines each consist of at least a current-carrying core and a screening shield braid. The branching means comprises contacting or splicing or crimping the current-carrying core. The branching means is accommodated within an inner housing, the inner housing being housed by a screening housing in such a way that the screening effect of the shield braids of the lines is extended to the branching means. The invention also relates to a production method for assembling the branching means.

Description

description

Cable branch

The invention relates to a branch for the electrically conductive connection of a first line and a second line to at least one third line, the lines each being constructed by at least one current-carrying core and a shielding screen braid, comprising a contacting or splicing or crimping of the current-carrying core, whereby the branch is received within an inner housing. Furthermore, the invention relates to a manufacturing method for assembling the branch.

In various applications, cable harnesses, cable harnesses, cable strands consisting of a large number of electrically conductive cables are used. This results from the fact that in vehicles, energy systems, machines and telecommunications systems, a large number of electrical consumers, controls, information interfaces and so on must be supplied with electrical energy or electrical control commands, data must be exchanged.

For contacting or producing detachable electrically conductive connections

Connectors used in a wide variety of designs and variants. The known connectors are available in a large number of different designs, for example with regard to the number of poles, electrical powers and the conditioning of a wide variety of external influences such as moisture, temperature, corrosive media or mechanical

Charges.

It is not always necessary to make the electrically conductive connections releasable. To supply or connect two or more consumers respectively

Supply elements can be inexpensive branches, branches,

Junctions, cable branches are used that split a first line into two or more line outlets.

In addition to the actual branching task, such branching points often have to meet further requirements with regard to, for example, electromagnetic shielding, moisture protection, locking, mechanical resistance and so on. Next

Insulation materials such as heat shrink tubing, casting compound and

Epoxy resin casings can be housings, housings used. Suitable housing are usually in two or more parts to support the subsequent installation at the branching point.

According to DE 691 07 848 T2, an arrangement is provided for this purpose in order to enclose a branch in an electrical cable or wiring harness, in which a cable arm divides into at least two branches. The assembly includes a dimensionally resettable, hollow, open ended molded article that can be positioned around the junction and one or more clips that can be positioned around opposite walls of the article to divide the article into channels for the cable branches, the article in its unexpanded state having one end with a larger diameter than the other end.

In addition and depending on the ambient conditions and the resulting effects, it must be ensured that the branching task is carried out permanently, reliably and without problems. This means that the junction itself must be designed to be durable and must be protected and / or isolated from external influences.

It is an object of the invention branching points of electrically conductive cables and their

To further develop housings, particularly in the implementation of various installation positions and installation space options, and to improve them in such a way that cable splices of cables with integrated braided shields can be functionally and economically represented.

According to the processing of the cable sets is provided such that the

Connection points on the copper conductor of the cables on the one hand and the respective braided screen between separate lines on the other are joined or spliced or crimped, so that the conductor and shield connections on all cable outlets are transmitted and removed at the same time. This means that both the electrically conductive elements and the shielding elements of the branch partners are contacted and thus branched, so that the branching realizes both the electrically conductive and the shielding function in an integrated manner. In order to implement the teaching according to the invention, the connection point is electrically insulated in an inner housing to the shield housing, shield plate. Both that

Inner housing and the shield plate each consist of at least two half-shells. The shield plates are mounted over the inner housing and the shield of the individual cables is connected to both half shells using a shield crimp sleeve. An outer housing, which in turn is at least two parts, is then mounted above it and closed and screwed using a cover element. Furthermore, seals and

Cover caps should be provided on the cable outlets and between the housing and cover. The connection point, cable branch, enables the division of a consumer into several supply elements, for example the battery of a vehicle, through the double contacting. The invention can be used for all applications in which a shielded cable can be spliced into several interfaces.

At least the at least two-part outer housing can have different connecting or fixing elements, so that the assembly in different positions is supported in an intended installation space. If the connection point, cable branching is used in vehicles, the housing enclosing the connection point can be used in

different positions in the vehicle.

The invention is explained in more detail below using an exemplary embodiment in conjunction with the figures. 1 shows the perspective view of a possible variant of the branching with a

Supply line and two outgoing lines as well as a first inner housing half and

Fig. 2 shows the perspective view of a possible variant of the branching with a

Supply line and two outgoing lines housed in an inner housing consisting of first and second inner housing halves and

Fig. 3 is an exploded perspective view of a possible variant of the

Branch with a supply line and two outgoing lines housed in an inner housing and a first and a second shielding housing half and Fig. 4 is a perspective view of a possible variant of the branching with a

Supply line and two outgoing lines housed in an inner housing and enclosed by a shielding housing and

Fig. 5 shows the perspective view of a possible variant of the branching with a

Supply line and two outgoing lines housed in an outer housing and

Fig. 6 shows the side view of a possible variant of the branching with a supply line and two outgoing lines housed in an outer housing and

Fig. 7 is a plan view of a possible variant of the branching with a supply line and two outgoing lines housed in an outer housing.

Figure 1 shows the perspective view of a possible variant of the branching V with a supply line K1 and two outgoing lines K2, K3 and the first one

Inner housing half 11. The branching V is primarily formed by splicing the current-carrying core and an optional connecting sleeve, crimp sleeve VH.

FIG. 2 shows the perspective view of a possible variant of the branching V with a feed line K1 and two outlet lines K2, K3 housed in an inner housing 10 consisting of first and second inner housing halves 11, 12. The two

Inner housing halves 11, 12 in the exemplary embodiment shown are locked relative to one another and releasably by clip connections.

Figure 3 includes the exploded perspective view of a possible variant of the

Branch V with a feed line K1 and two outgoing lines K2, K3 housed in an inner housing 10 and a first and a second shielding housing half 21, 22. Depending on the physical property to be shielded, the material of the shielding housing halves 21,

22 formed from a suitable material, such as ferrous or non-ferrous metals. The

Shielding housing halves 21, 22 have shielding lugs 23 in such a way that at least one shielding lug 23 can be contacted with the integrated shielding braid in each case one line K1, K2, K3. A shield crimp sleeve, shield sleeve 24 per line K1, K2, K3 is provided for the defined fixing and contacting of the at least one shielding lug 23 with the integrated shielding braid and / or the fixing of the shielding housing halves 21, 22 to one another. The shielding housing 20 thereby completely encloses the inner housing 10 and optionally makes a form-fitting contact with the branch lines on and with the shielding braids.

FIG. 4 shows the perspective view of a possible variant of the branching V with a feed line K1 and two outlet lines K2, K3 housed in an inner housing 10 and enclosed by a shielding housing 20. Due to the construction according to the invention, an almost complete enclosure of the branching V is realized by the shielding housing 20, so that the extensive shielding is supported. It is particularly important that the shielding be as complete as possible, especially in the case of electromagnetic waves.

FIG. 5 shows the perspective view of a possible variant of the branching V housed in an outer housing 30, preferably consisting of a first one

Outer housing half 31 and a second outer housing half 32. The second

Outer housing half 32 is designed as a housing cover in the exemplary embodiment shown and can be fixed, for example, by screw connections and optional seal 33 on the first outer housing half 31. The preferably integral connecting or fixing elements 35 of the outer housing 30 support assembly positions in any positions and installation space situations, which is particularly advantageous when used in vehicles.

The exemplary embodiment of the outer housing 30 for the branching V shown in FIG. 5 is fulfilled by the seals 33 provided in each case on the lines K1, K2, K3

Connection with fixing devices 34 and the seal 33 provided between the outer housing halves 31, 32 have particularly high sealing requirements. The

Fixing devices 34 can be formed by cover caps, cable glands or union nuts.

FIG. 6 and FIG. 7 show the side view and the top view of the outer housing 30 of the branch V and illustrate the possible positions, arrangements and configurations of the connecting or fixing elements 35 for the supported mounting positions in any position and installation space situation. Reference list

V junction, cable junction, cable junction, junction

K1 first cable, electrical line, supply line

K2 second cable, electrical line, cable outlet

K3 third cable, electrical cable, cable outlet

VH connecting sleeve, crimp sleeve

10 inner housing

11 first half of inner housing

12 second inner housing half

20 shield plate, shield housing

21 first shield housing half

22 second shield housing half

23 scraper nose

24 shield crimp sleeve, shield ring

30 outer housing

31 first outer housing half

32 second outer housing half, housing cover

33 seal

34 Cover cap, cable gland, union nut

35 connecting or fixing elements

Claims

Expectations

1. Branch (V) for the electrically conductive connection of a first line (K1) and a second line (K2) with at least a third line K3, the lines

(K1, K2, K3) are each constructed by at least one current-carrying core and a shielding screen braid, comprising contacting or splicing or crimping the current-carrying core, the branching (V) being accommodated within an inner housing (10), characterized in that the inner housing (10) is enclosed by a shielding housing (20) in such a way that the shielding effect of the braided shielding of the lines (K1, K2, K3) is extended to the branching (V).

2. branch (V) for the electrically conductive connection according to claim 1, characterized

characterized in that the branching (V) is supplemented by a connecting sleeve, crimp sleeve (VH).

3. branch (V) for the electrically conductive connection according to claim 1, characterized

characterized in that the inner housing (10) the branch (V) in to

Shield housing (20) receives an electrically insulating manner.

4. branching (V) for the electrically conductive connection according to claim 1, characterized

characterized in that the inner housing (10) and the shielding housing (20) are each constructed at least in two parts.

5. branching (V) for the electrically conductive connection according to claim 1, characterized

characterized in that the shielding housing (20) is supplemented by trained shielding lugs (23) such that the functional interaction with at least one

Shielding sleeve (24) takes place with regard to the shielding effect, so that improved shielding is supported by contacting the braided shield of the lines (K1, K2, K3).

6. branching (V) for the electrically conductive connection according to claim 1, characterized

characterized in that the shield housing (20) is housed by an outer housing (30).

7. branching (V) for the electrically conductive connection according to claim 6, characterized

characterized in that the housing is largely sealed by seals (33) and fixing means (35).

8. Method for producing a housed branch (V) according to one of the

The preceding claims comprising at least one inner housing (10) and one

Shield housing (20) comprising the assembly steps a. Splicing the current-carrying core of at least one cable K1, K2, K3 of the branching and establishing the electrically conductive connection, b. Insert the branch (V) in an inner housing (10) so that the branch

is insulated, c. Enclosing the inner housing (10) with a shielding housing (20) so that the

Branch (V) is largely shielded.

9. Installation method of a housed branch (V) according to claim 8, characterized

characterized that assembly step a. by adding a connecting sleeve (VH) or crimping with a crimp sleeve.

10. Assembly method of a housed branch (V) according to claim 8, characterized

characterized that assembly step c. by introducing shielding rings, crimp sleeves (24) corresponding to the shielding lugs (23) of the shielding housing (20), so that improved shielding is supported by contacting the shielding braid of the lines (K1, K2, K3).

11. Assembly method of a housed branch (V) according to claim 8, comprising the assembly step d. Surrounding the shielding housing (20) with an outer housing (30).

12. Cable harness, cable package for a vehicle, in particular an electrically powered land vehicle, having at least one branch (V) according to one of the preceding claims.