专利摘要:
The invention relates to electrical connection units of two tubular conductors of an electrical device, in particular a high-voltage switchgear enclosed in a metal case with a liquid or gaseous insulating medium with a higher dielectric strength compared to air at atmospheric pressure. The two hollow tubular conductors 1 and 2 are connected between themselves with the help of the screen 3, enclosing with overlapping the junction of the conductors 1 and 2, the screen is attached to the tubular conductor screws with radially mounted connectors. Screw heads are located in the walls of the screen. Tubular conductors may be of the same or different diameters. The edges of the screen are rounded. Metal strips attached inside the conductors can be used to attach the screen to thin-wall conductors. 5 hp f-ly, 6 ill. i OJ S to 4 Yu O5 SP CM
公开号:SU1426475A3
申请号:SU853945551
申请日:1985-08-28
公开日:1988-09-23
发明作者:Лоренц Дитер;Ольсен Вилли
申请人:Сименс Аг (Фирма);
IPC主号:
专利说明:

I The invention relates to the electrical connection of two tubular conductors of an electrical device, in particular a high-voltage switchgear device enclosed in a metal case with a liquid g1 or gaseous insulating medium with a higher dielectric strength compared to air at atmospheric pressure.
The purpose of the invention is to simplify the installation of the electrical connection unit.
FIG. 1 shows an assembly for the electrical connection of two tubular conductors with the same diameters, a longitudinal section; in fig. 2 - section A – A in FIG. one; in fig. 3 - unit I for the electrical connection of two tubular conductors of different diameters, longitudinal section; in fig. 4 - I section BB in FIG. 3; in fig. 5 shows an assembly for the electrical connection of two tubular conductors of the same diameter with thin walls, a longitudinal section; in fig. 6 is a sectional view BB in FIG. five.
The ends of the two pipes of tubular conductors 1 and 2 are connected between the assembly using screen 3, which covers the connecting point of conductors 1 and 2 and has a section of tubular shape.
According to FIG. 1 and 2 hollow tubular conductors 1 and 2 are made with the same diameter 4. The inside diameter 3 of the screen 3 is slightly larger than the outer diameter 4 of the conductors 1 and 2. The length of the screen 3 in the upper part is larger than in the lower one, since the upper part of the screen is provided several i.TOB 6 screws arranged in series in the longitudinal direction, with which screen 3 is screwed to conductors 1 and Z. To do this, the corresponding screw holes 7 are made at the ends of the conductors. Screws 6 can be installed in the range 90-180 of the screen perimeter in cross section of its tubular part to create a sufficient number of points of contact between adjacent surfaces of screen 3 and conductor 1 and 2. Screws 6 are installed radially with respect to tubular conductors 1 and 2. Heads 8 of screws 6 are located in walls 9 of screen 3 - in openings x 10, having a sufficiently large
0
five
0
Q
five
five
0
five
0
five
the depth. When the heads of the 8 screws 6 are located inside the wall 9 of the screen 3, the electric field is distorted. Dp create a uniform electric field outer edges 11 and 12 of the screen is made rounded. The outer edge 13, as well as the edges of the holes 10, to lower the Mass and I save material, the lower half (The screen is made shorter than the upper so that it sufficiently shields the place 14 of the pin of conductors 1 and 2.
According to FIG. 3 and 4, conductors 1 and 2 are made with different outer diameters 15 and 16. Accordingly, the screen is made with two different inner diameters 17 and 18, somewhat larger diameters 15 and 16. The wall thickness 9 of screen 3 is chosen large enough to be placed in these heads have 8 screws 6 despite the alignment of the difference in diameters of 17-18 In the area of conductor 1 with a smaller outer diameter 18, screws 6 are longer. The dimensions of the screen 3 are chosen so that the 14 junction between the conductors 1 and 2 is located approximately in the center of the screen 3.
According to FIG. 5 and 6, conductors 1 and 2 are made with the same outer diameter 4, but with relatively thin walls 19. To ensure
sufficient strength of the threaded holes in the wall of conductors used metal strips 20 made of metal, which have greater mechanical strength than conductors, are made with threaded holes for video; 6. The slats 20 are located inside the hollow conductors 1 and 2. They use fixing screws 21, which are placed between screws 6, and their heads 22 are placed in holes 23 of conductors 1 and 2 so that they do not protrude beyond the outer diameter of conductors 1 and 2.
权利要求:
Claims (6)
[1]
1. An electrical connection unit for two tubular conductors of an electrical device, in particular a high-voltage switchgear with a liquid or gaseous insulating medium with increased dielectric strength. Compared to atmospheric air, the screen contains an overlapping area between the tubular conductors that has a tubular shape corresponding to the shape of the connected tubular conductors, and the screen fastening elements
[2]
14264754
[3]
3.Uz ate on PP. 1 and 2, characterized in that the screen in the longitudinal direction is made with two different internal diameters and
. installed with overlapping of the junction of conductors of different outer diameter.
[4]
4. Node on PP.1-3, I distinguish
to tubular conductors, characterized by the fact that the edges of the screen are made so that, in order to simplify installation, the end sections of the screen are adjacent to the tubular conductors on a part of their surface, as elements of screen attachment to tubular conductors screws installed radially nq, with respect to the tubular conductors to be connected, with heads located in the walls of the screen, with the screws installed in the 20 range 90-180 of the screen perimeter in the cross section of its tubular part.
2. Node POP.1, distinguished rounded.
[5]
5. A knot according to claims 1-4, characterized in that it is provided with plaques with threaded holes spaced inside the tubular wires so that the holes of the slats coincide with the holes of the tubular wires and the screen in which
.screws.
[6]
6. A unit according to claim 5, characterized in that said plan is screwed to the tubular conductors, the screws securing the strips to the
The screen is made of 25 waterways, located melodies screws.
with different perimeter lengths of the cross section.
attaching the shield to the tubular conductors in the longitudinal direction.
the fact that the edges of the screen
made rounded.
5. A knot according to claims 1-4, characterized in that it is provided with straps with threaded holes located inside the tubular conductors so that the holes of the slats coincide with the holes of the tubular conductors and the screen in which
.screws.
6. A unit according to claim 5, characterized in that said strips are screwed to the tubular conductors, the screws securing the strips to the fasteners, the screen to the tubular conductors in the longitudinal direction.
BUT -/
ten
6-6
FC, b
FIG.
In the
j ;;
FIG. five
eight
Yu
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引用文献:
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法律状态:
优先权:
申请号 | 申请日 | 专利标题
DE19843433757|DE3433757A1|1984-09-11|1984-09-11|ELECTRICAL SCREW CONNECTION BETWEEN TWO TUBULAR LADDERS OF AN ELECTRICAL SYSTEM, ESPECIALLY A METAL-ENCLOSED HIGH-VOLTAGE SWITCHGEAR|
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