CN205451812U - Copper wire transposition threephase cable - Google Patents

Abstract

Copper wire transposition threephase cable, its characterized in that includes first electric wire, second electric wire and third electric wire, every electric wire respectively by 7 - 19 big tinned copper wire transposition together, the cladding has the wire insulating layer that full polyvinyl fluoride material made outside the big tinned copper wire of transposition, first, and secondly, set up first clock signal between the third electric wire, the second signal line, the third signal line, fourth signal line and the 5th signal line, every signal line respectively by 1 - 7 little tinned copper wire transposition together, the cladding has the signal line insulating layer that full polyvinyl fluoride material made outside the little tinned copper wire of transposition, the cladding has the silica gel layer outside 3 electric wires and 5 signal lines.

Description

The stranded threephase cable of copper wire

Technical field

This utility model relates to cable, particularly relates to the stranded threephase cable of copper wire.

Background technology

Each electric wire of existing threephase cable generally uses single copper wire structure, and holding wire is then to be twisted together by 5 copper wires, then with trunking, owing to using single copper wire, therefore its external diameter is very thick and hard, and pliability and pulling force are poor, easily snap off, service life is short, and conductive capability is poor, and 5 holding wires are twisted into one, make whole threephase cable external diameter increase, cannot be applicable to the installing hole that some are thinner, poor universality.

Summary of the invention

The purpose of this utility model is the shortcoming in order to overcome prior art to exist, it is provided that one makes cable pliability good, and pulling force promotes, increasing service life, conductive capability is good, and heat resistance increases, entire outer diameter reduces, easy for installation, the stranded threephase cable of copper wire that universal performance is good.

The technical scheme of the stranded threephase cable of this utility model copper wire is: it is characterized in that including the first electric wire, second electric wire and the 3rd electric wire, every electric wire is twisted together by 7 19 big tinned copper wires respectively, stranded big tinned copper wire is coated with the electric wire insulation layer that full polyvinyl fluoride material is made, first, second, between 3rd electric wire, the first holding wire is set, secondary signal line, 3rd holding wire, 4th holding wire and the 5th holding wire, every holding wire is twisted together by 17 little tinned copper wires respectively, stranded little tinned copper wire is coated with the holding wire insulating barrier that full polyvinyl fluoride material is made, it is coated with layer of silica gel at 3 electric wires and 5 holding wires.

nullThe utility model discloses a kind of stranded threephase cable of copper wire，By the copper wire in electric wire is twisted together by 7 19 big tinned copper wires，And covered electric cable insulating barrier，Again holding wire is divided into 5，The copper wire of every holding wire is twisted together by 17 little tinned copper wires，And it is coated with holding wire insulating barrier，5 holding wires are arranged between 3 electric wires，Finally it is coated with layer of silica gel，Electric wire and holding wire are respectively adopted that many tiny copper wires are stranded to be formed，Make its pliability good，It is easily bent，Stretch capability promotes，Thus be not easy to fracture after bending，Ensure service life，And many tiny copper wire conductive capabilities are good，Reduce current loss，And holding wire is divided into 5 be arranged between 3 electric wires，The outside dimension of cable can be reduced to greatest extent，So that cable can be suitably used in the installing hole that some are less，Versatility is good，Additionally electric wire insulation layer and holding wire insulating barrier use full polyvinyl fluoride material to make，It is promoted to-60 DEG C 200 DEG C from original-15 DEG C 70 DEG C relative to existing PVC material heat resistance.

The stranded threephase cable of this utility model copper wire, described the first electric wire, the second electric wire and the 3rd electric wire closing lay are together, first holding wire is arranged on the first electric wire and the angle of the second electric wire, secondary signal line and the 3rd holding wire are arranged on the first electric wire and the angle of the 3rd electric wire, and the 4th holding wire and the 5th holding wire are arranged on the second electric wire and the angle of the 3rd electric wire.Described the first holding wire, secondary signal line, the 3rd holding wire, the 4th holding wire and the 5th holding wire are arranged on the second electric wire and the angle of the 3rd electric wire.The first described holding wire is arranged on the first electric wire and the angle of the second electric wire, and secondary signal line is arranged on the first electric wire and the angle of the 3rd electric wire, and the 3rd holding wire, the 4th holding wire and the 5th holding wire are arranged on the second electric wire and the angle of the 3rd electric wire.

Accompanying drawing explanation

Fig. 1 is the structural representation of this utility model copper wire the first scheme of stranded threephase cable；

Fig. 2 is the structural representation of this utility model copper wire stranded threephase cable first scheme；

Fig. 3 is the structural representation of this utility model copper wire the third scheme of stranded threephase cable.

Detailed description of the invention

This utility model relates to a kind of stranded threephase cable of copper wire, as shown in Fig. 1 Fig. 3, it is characterized in that: include the first electric wire 1, second electric wire 2 and the 3rd electric wire 3, every electric wire is twisted together by 7 19 big tinned copper wires 4 respectively, stranded big tinned copper wire is coated with the electric wire insulation layer 5 that full polyvinyl fluoride material is made, first, second, 3rd electric wire 1, 2, first holding wire 6 is set between 3, secondary signal line 7, 3rd holding wire 8, 4th holding wire 9 and the 5th holding wire 10, every holding wire is twisted together by 17 little tinned copper wires 11 respectively, stranded little tinned copper wire is coated with the holding wire insulating barrier 12 that full polyvinyl fluoride material is made, it is coated with layer of silica gel 13 at 3 electric wires and 5 holding wires.nullBy the copper wire in electric wire is twisted together by 7 19 big tinned copper wires 4，And covered electric cable insulating barrier 5，Again holding wire is divided into 5，The copper wire of every holding wire is twisted together by 17 little tinned copper wires 11，And it is coated with holding wire insulating barrier 12，5 holding wires are arranged between 3 electric wires，Finally it is coated with layer of silica gel 13，Electric wire and holding wire are respectively adopted that many tiny copper wires are stranded to be formed，Make its pliability good，It is easily bent，Stretch capability promotes，Thus be not easy to fracture after bending，Ensure service life，And many tiny copper wire conductive capabilities are good，Reduce current loss，And holding wire is divided into 5 be arranged between 3 electric wires，The outside dimension of cable can be reduced to greatest extent，So that cable can be suitably used in the installing hole that some are less，Versatility is good，Additionally electric wire insulation layer 5 and holding wire insulating barrier 12 use full polyvinyl fluoride material to make，It is promoted to-60 DEG C 200 DEG C from original-15 DEG C 70 DEG C relative to existing PVC material heat resistance.First described electric wire the 1, second electric wire 2 is together with the 3rd electric wire 3 closing lay, first holding wire 6 is arranged on the first electric wire 1 and angle of the second electric wire 2, secondary signal line 7 and the 3rd holding wire 8 are arranged on the first electric wire 1 and angle of the 3rd electric wire 3, and the 4th holding wire 9 and the 5th holding wire 10 are arranged on the second electric wire 2 and angle of the 3rd electric wire 3.Described the first holding wire 6, secondary signal line the 7, the 3rd holding wire the 8, the 4th holding wire 9 and the 5th holding wire 10 are arranged on the second electric wire 2 and angle of the 3rd electric wire 3.The first described holding wire 6 is arranged on the first electric wire 1 and angle of the second electric wire 2, secondary signal line 7 is arranged on the first electric wire 1 and angle of the 3rd electric wire 3, and the 3rd holding wire the 8, the 4th holding wire 9 and the 5th holding wire 10 are arranged on the second electric wire 2 and angle of the 3rd electric wire 3.

Claims (4)

1. the stranded threephase cable of copper wire, it is characterized in that: include the first electric wire (1), second electric wire (2) and the 3rd electric wire (3), every electric wire is twisted together by 7 19 big tinned copper wires (4) respectively, stranded big tinned copper wire is coated with the electric wire insulation layer (5) that full polyvinyl fluoride material is made, first, second, 3rd electric wire (1, 2, 3) the first holding wire (6) is set between, secondary signal line (7), 3rd holding wire (8), 4th holding wire (9) and the 5th holding wire (10), every holding wire is twisted together by 17 little tinned copper wires (11) respectively, stranded little tinned copper wire is coated with the holding wire insulating barrier (12) that full polyvinyl fluoride material is made, it is coated with layer of silica gel (13) at 3 electric wires and 5 holding wires.

2. the stranded threephase cable of copper wire as claimed in claim 1, it is characterized in that: described the first electric wire (1), the second electric wire (2) and the 3rd electric wire (3) closing lay are together, first holding wire (6) is arranged on the angle of the first electric wire (1) and the second electric wire (2), secondary signal line (7) and the 3rd holding wire (8) are arranged on the first electric wire and the angle of the 3rd electric wire (3), and the 4th holding wire (9) and the 5th holding wire (10) are arranged on the second electric wire and the angle of the 3rd electric wire.

3. the stranded threephase cable of copper wire as claimed in claim 1, it is characterised in that: described the first holding wire (6), secondary signal line (7), the 3rd holding wire (8), the 4th holding wire (9) and the 5th holding wire (10) are arranged on the angle of the second electric wire (2) and the 3rd electric wire (3).

4. the stranded threephase cable of copper wire as claimed in claim 1, it is characterized in that: described the first holding wire (6) is arranged on the angle of the first electric wire (1) and the second electric wire (2), secondary signal line (7) is arranged on the first electric wire and the angle of the 3rd electric wire (3), and the 3rd holding wire (8), the 4th holding wire (9) and the 5th holding wire (10) are arranged on the second electric wire and the angle of the 3rd electric wire.