DE3042595C2 - Slide-on connection sleeve with split insulating body for plastic-insulated medium-voltage cables - Google Patents

Description

! 5. Connection sleeve according to one of claims 1 sleeve is achieved.

ρ to 4, characterized in that each field control By the measure specified in claim 4

[; body (4) to the conductor connection point with one on 45 is achieved that the electrically conductive components,

ι, · the conductor (10) seated clamping washer (13) like funnel and sheathing, do not touch. By

!? ': closed and the funnel (5) on the cable side - this arrangement remains uncritical for assembly.

side enclosing on the cable jacket (6). An embodiment of the invention is next-

; ■■■ '■; is set. Based on the drawing explained in more detail

;;: 50 Figure of a push-on connecting sleeve in section

i £ As the figure shows, the connecting sleeve is in the

'essentially from a divided insulating body, namely

I a socket body 1 and two field control bodies 4. The invention relates to a connecting sleeve according to the sleeve body has in the area of the conductor

the preamble of claim 1. 55 binding parts an integrated smoothing sleeve 2, whose

;.; Such a connecting sleeve is from the DE-OS facing the cables sides with an asymmetrical

27 26 402 known. A uniform insulating body is provided there with Borda edge profile 2a. This

• by provided, in the middle of an electrical profile enables an even load of the

I weakly conductive material existing shielding electrical parts located in this area so that it

de and deflectors are embedded at the ends. At 60 there is no longer any overuse.

During assembly, the insulating body is first attached to the socket body on the outside with an elec-

Sheath 3 that has been stripped to a corresponding extent and is electrically conductive from the screen is terminated.

The free cable end is pushed on and the conductor ends. The field control bodies each have a funnel

of the two cables connected with a connecting sleeve 5, the one facing the conductor connection point

the. The insulating body is then also covered over 65 sides with an asymmetrical border

pushed the connection point that the Schirmelek edge profile 5a is provided, which has the same effect as

trode leads over the cone placed on the connection point at the smoothing sleeve.

contact elements come into contact with the conductors and when connecting two cables, these

cut to overlap and then the cable jacket 6 both ends of the cable separated Cable sheaths a small area of the outer conductive layer 7 of the cable and then a small area of the Graphitization 8 are exposed. Closes to the latter In turn, a larger area of the exposed conductor insulation 9 adjoins. Finally, there is a section in which the cable ends are separated except for the conductor OK. The .Schirmdrraht 11 are on the respective Cable sheath 6 bent back. The postponement then takes place of the two field control bodies 4, of the sleeve body 1 on one side of the cable, as well as a protective cover 12 on one side of the cable. Thereafter, clamping disks 13 are placed on the conductors in connection with the respective conductor insulation placed and screwed The conductor ends are connected with a compression connector 14 and pressed Then the sleeve body 1 is brought into the correct position over the conductor connection point, wherein the two clamping disks 13 the conductors 10 electrically with the smoothing sleeve 2, which is integrated in the socket body 1. This becomes the smoothing sleeve brought to the potential of the ladder. The shield wires 11 are now outside the sleeve body 1 connected to a compression sleeve 15 and the entire connection point from the already postponed Protective cover 12 covered by bringing it into the position provided for this purpose.

1 sheet of drawings

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Claims (1)

S ^{ί 2} i the Dell patent claims located at the ends of the insulator: Rectors come into contact with the remote outer Leiti layers of the cable cores and the shields that can be pushed onto the § 1. Slide-on connecting sleeve for artificial cable sheaths. The Mon-Ü-insulated medium voltage cables, with a daily 5 in such a sleeve is highly dependent on f- substantially hollow cylindrical sleeve body of the skill of the fitter from. In addition, K require insulating material, which is closed on the outside with an electrically conductive design of the shield electrode and the deflector , and inside ren a relatively large overall length of the sleeve.
Sj has an electrically conductive A connection sleeve, especially for shielded f: capable smoothing sleeve as conductor smoothing, has 10 power cables in the 110 kV range. is auff 'with an inserted in the socket body and egg conduit sleeve and a field controlling means ί ner to set down on the cable insulation cable comprises from DE-OS 29 51 001 is known, the field SS end comprehensive field-controlling means ^controlling: which also has a} The device here consists of a two '% dadurchgeke η η ζ eich η et that the field-controlled cone, which is on the outer edge of the sleevej | ernde device each consisting of a cable end 15 tube middle part ends between the field-controlling Einig enclosing, insulating field control body (4) direction and a heat transfer sleeve, which approximately; | consists of an integrated electrically conductive can be compared with a smoothing sleeve, bell hijen funnel (5) is provided that this funnel does not have an insulating separating layer. Thus, the I! with an asymmetrical Borda-RandproΓιΐ (5a) conductor and the earth potential in a gap
It is also known to use field-strength-constant profiles for H insulating field control bodies and the socket-the control of the electrical high-voltage field- ||; body (1) has such a profile that that of the to be used ("high voltage fields" by Hans |; integrated electrically conductive parts (2.5) based on Prinz, edition August 69, pp. 196-209). The so-called φ are separated from each other without any friction. Borda profile has the great advantage that it has a constant field strength M that runs in the socket body (1) and is therefore not stronger in the edge zone integrated smoothing sleeve (2) is stressed in its length so ker than in the homogeneous range.
;:; The invention is based on the object of overlapping a veri | per (4), the ends of the connecting sleeve of the type described above with a smoothing sleeve with an asymmetrical border To develop dimensions that can be provided without an edge profile (2a).
; · 3. Connection sleeve according to one of claims 1 This task is characterized by the in claim 1; or 2, characterized in that the funnel (5) signed features are solved. 4 of the field control body (4) an outer diameter The advantages achieved with the invention consist in < the diameter of the conductor insulation (9) corresponding to a cost-effective manufacture of the connection '* have the same diameter in the area of each socket, which also allows easy and problem-free assembly | i the respective cable jacket (6) is expanded radially. permitted. | i 4. Connection sleeve according to one of claims 1 Advantageous embodiments of the invention are in t | to 3, characterized in that the parting plane is characterized in the subclaims. ; | between the field control bodies (4) and the Muf- 40 By the measure specified in claim 2 If fenkkörper (1) an essentially axial course is achieved that by the design of the smoothing i has. sleeve an additional reduction in the overall length of the