CN215577739U - 1KV energy-saving fireproof cable - Google Patents

1KV energy-saving fireproof cable Download PDF

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Publication number
CN215577739U
CN215577739U CN202121123113.2U CN202121123113U CN215577739U CN 215577739 U CN215577739 U CN 215577739U CN 202121123113 U CN202121123113 U CN 202121123113U CN 215577739 U CN215577739 U CN 215577739U
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China
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conductor
layer
blocks
energy
arc
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CN202121123113.2U
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孔德庆
王东启
杨建廷
陈井森
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Changfeng Wire And Cable Co ltd
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Changfeng Wire And Cable Co ltd
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Abstract

The utility model relates to the technical field of cables, and provides a 1KV energy-saving fireproof cable which comprises a conductor layer, a filling layer and a protective layer which are sequentially arranged from inside to outside, wherein the conductor layer comprises a plurality of wire-contacted wires, each wire comprises a first conductor structure, a second conductor structure and a protective structure which are sequentially arranged from inside to outside, the second conductor structure is wound outside the first conductor structure, the first conductor structure and the second conductor structure are both annular, the protective structure comprises a shielding layer, an insulating layer and a copper strip, the first conductor structure is formed by splicing a plurality of conductor blocks, one cross section area of each conductor block is trapezoidal, one surface of each two adjacent conductor blocks is contacted, the second conductor structure is formed by splicing a plurality of conductor blocks II and conductor blocks III, the cross sections of the conductor blocks II and the conductor blocks III are triangular, and the conductor blocks II and the conductor blocks III are both annularly distributed. Through above-mentioned technical scheme, the extravagant problem of conductor material among the prior art has been solved.

Description

1KV energy-saving fireproof cable
Technical Field
The utility model relates to the technical field of cables, in particular to a 1KV energy-saving fireproof cable.
Background
The existing cable conductor generally increases the cross-sectional area by using more conductor materials in order to achieve the effect of improving the current-carrying capacity, but the cost is increased, and the current passing rate of the middle part of the conductor is extremely low, so that the material is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a 1KV energy-saving fireproof cable, which solves the problem of conductor material waste in the related technology.
The technical scheme of the utility model is as follows:
a conductor layer, a filling layer and a protective layer which are arranged in sequence from inside to outside,
the conductor layer comprises a plurality of line contact wires, each wire comprises a first conductor structure, a second conductor structure and a protection structure which are sequentially arranged from inside to outside, the second conductor structure is wound outside the first conductor structure, the first conductor structure and the second conductor structure are both in a ring shape, the protection structure comprises a shielding layer, an insulating layer and a copper strip,
the first conductor structure is formed by splicing a plurality of first conductor blocks, the cross section area of each first conductor block is trapezoidal, one surface of each two adjacent conductor blocks is in contact with each other, the second conductor structure is formed by splicing a plurality of second conductor blocks and a third conductor block, the cross sections of the second conductor blocks and the third conductor blocks are triangular, and the second conductor blocks and the third conductor blocks are annularly distributed.
The second conductor block is in contact with one face of the first conductor block, the third conductor block is arranged on the outer circumference of the first conductor block, and the second conductor block spans the contact gap between the two adjacent first conductor blocks.
The conductor layer further comprises a water cooling channel arranged between every two adjacent leads.
The filling layer is made of non-hygroscopic filling materials.
The protective layer comprises a first wrapping layer, an inner liner layer, a fireproof layer, a second wrapping layer, a steel belt armor layer and an outer sheath layer which are sequentially arranged from inside to outside.
The inner liner is provided with a plurality of arc-shaped bulges outside, the opening of the arc-shaped bulges faces outwards, argil mud is arranged in the arc-shaped bulges, two adjacent fire-proof mud is arranged between the arc-shaped bulges, and the arc-shaped bulges are formed into fire-proof layers with the argil mud.
The arc-shaped protrusions are made of rubber.
The number of the leads is 3, and the number of the water cooling channels is 3.
The working principle and the beneficial effects of the utility model are as follows:
1. according to the utility model, the first conductor structure is hollow, so that a conductor with a larger cross section area can be manufactured from a conductor material with the same quality, the current-carrying capacity of a product is improved, the resistance is reduced, and the cost is saved. The second conductor structure is used for transmitting electric power and signals on the one hand, and can play a limiting role on the first conductor structure on the other hand.
The insulating layer has light weight, good heat resistance, strong load capacity and high mechanical strength. The shielding layer reduces the influence of an external electromagnetic field on a power supply or a communication line, and the copper strip also plays a shielding role, so that the interference of high-voltage alternating current on signals is avoided.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the conductor structure of the present invention;
FIG. 3 is a schematic perspective view of an arc-shaped protrusion according to the present invention;
in the figure: 1-filling layer, 2-protective layer, 3-wire, 4-first conductor structure, 5-second conductor structure, 6-protective structure, 7-shielding layer, 8-insulating layer, 9-copper strip, 10-conductor block I, 11-conductor block II, 12-conductor block III, 13-water cooling channel, 14-first wrapping layer, 15-lining layer, 16-second wrapping layer, 17-steel strip armor layer, 18-outer sheath layer, 19-arc bulge, 20-clay, 21-fire clay and 22-fire-proof layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.
As shown in fig. 1 to fig. 3, the embodiment provides a 1KV energy-saving fireproof cable, which includes a conductor layer, a filling layer 1 and a protective layer 2 sequentially arranged from inside to outside,
the conductor layer comprises a plurality of line-contacted wires 3, each wire 3 comprises a first conductor structure 4, a second conductor structure 5 and a protection structure 6 which are sequentially arranged from inside to outside, the second conductor structure 5 is wound outside the first conductor structure 4, the first conductor structure 4 and the second conductor structure 5 are both in a ring shape, the protection structure 6 comprises a shielding layer 7, an insulating layer 8 and a copper strip 9,
the first conductor structure 4 is formed by splicing a plurality of first conductor blocks 10, the cross section area of each first conductor block 10 is trapezoidal, the adjacent two first conductor blocks 10 are in surface contact, the second conductor structure 5 is formed by splicing a plurality of second conductor blocks 11 and a third conductor block 12, the cross sections of the second conductor blocks 11 and the third conductor blocks 12 are triangular, and the second conductor blocks 11 and the third conductor blocks 12 are annularly distributed.
In this embodiment, the first conductor structure 4 is hollow, so that a conductor with a larger cross-sectional area can be manufactured from a conductor material with the same quality, the current-carrying capacity of a product is improved, the resistance is reduced, and the cost is saved. The second conductor arrangement 5 serves, on the one hand, for the transmission of electrical and signal and, on the other hand, can act as a limit for the first conductor arrangement 4.
The insulating layer 8 is light in weight, and has good heat resistance, strong load capacity and high mechanical strength. The shielding layer 7 reduces the influence of an external electromagnetic field on a power supply or a communication line, and the copper strip 9 also plays a shielding role, so that the interference of high-voltage alternating current on signals is avoided.
Further, the second conductor block 11 is in surface contact with the first conductor block 10, the third conductor block 12 is arranged on the outer circumference of the second conductor block 11, and the second conductor block 11 spans the contact gap between the two adjacent first conductor blocks 10.
In this embodiment, the second conductor block 11 spans the connection gap of the first conductor block 10 to hoop the first conductor block 10, so that the contact between the conductor blocks is firmer, and the third conductor block 12.
Further, the conductor layer further includes a water cooling channel 13 disposed between two adjacent conductive wires 3.
In this embodiment, the conductor generates more heat after working for a long time, and the water cooling channel 13 can reduce the damage to the cable caused by the conductor overheating, even the fire. A plurality of water cooling channels 13 are arranged between the conductors at intervals, so that uniform heat exchange can be guaranteed.
Further, the filling layer 1 is a non-hygroscopic filling material.
In this embodiment, for moisture protection, a non-hygroscopic filler is placed in the filler layer 1, and may be one or more selected from non-woven fabric, PP filler rope, glass fiber, and asbestos.
Further, the protective layer 2 comprises a first wrapping layer 14, an inner liner layer 15, a fireproof layer 22, a second wrapping layer 16, a steel tape armor layer 17 and an outer sheath layer 18 which are sequentially arranged from inside to outside.
Further, a plurality of arc-shaped protrusions 19 are arranged outside the inner liner 15, openings of the arc-shaped protrusions 19 face outwards, clay 20 is arranged in the arc-shaped protrusions 19, fire-proof clay 21 is arranged between every two adjacent arc-shaped protrusions 19, and the arc-shaped protrusions 19, the clay 20 and the fire-proof clay 21 form a fire-proof layer 22.
In this embodiment, the arc-shaped protrusions 19 are arranged outside the lining layer 15, and are used for providing accommodating spaces for the fire-proof mud 21, and are located in gaps between two adjacent arc-shaped protrusions 19, and the clay 20 is arranged in the arc-shaped protrusions 19, so that the overall strength can be improved, the effect of isolating the clay 20 from the fire-proof mud 21 can be achieved, and in addition, the support for the wrapping tape layer on the outer side, the steel-strip armor layer 17 and the outer sheath layer 18 is also provided.
Further, the arc-shaped protrusion 19 is made of rubber.
In this embodiment, rubber has certain flexibility, can produce slight deformation when the cable receives the extrusion to resume the shape after not receiving the extrusion, thereby guarantee the holistic toughness of cable and outward appearance intact degree.
Further, the number of the leads is 3, and the number of the water cooling channels 13 is 3.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A1 KV energy-saving fireproof cable is characterized by comprising
A conductor layer, a filling layer (1) and a protective layer (2) which are arranged in sequence from inside to outside,
the conductor layer comprises a plurality of line contact wires (3), each wire (3) comprises a first conductor structure (4), a second conductor structure (5) and a protection structure (6) which are sequentially arranged from inside to outside, the second conductor structure (5) is wound outside the first conductor structure (4), the first conductor structure (4) and the second conductor structure (5) are both in a ring shape, the protection structure (6) comprises a shielding layer (7), an insulating layer (8) and a copper strip (9),
the first conductor structure (4) is formed by splicing a plurality of first conductor blocks (10), the cross section area of each first conductor block (10) is trapezoidal, two adjacent first conductor blocks (10) are in surface contact, the second conductor structure (5) is formed by splicing a plurality of second conductor blocks (11) and third conductor blocks (12), the cross sections of the second conductor blocks (11) and the third conductor blocks (12) are triangular, and the second conductor blocks (11) and the third conductor blocks (12) are annularly distributed.
2. The 1KV energy-saving fireproof cable according to claim 1, wherein the second conductor block (11) is in surface contact with the first conductor block (10), the third conductor block (12) is arranged on the outer circumference of the second conductor block (11), and the second conductor block (11) spans the contact gap between two adjacent first conductor blocks (10).
3. A 1KV energy-saving fireproof cable according to claim 2, wherein the conductor layer further comprises a water-cooling channel (13) disposed between two adjacent wires (3).
4. A 1KV energy-saving fireproof cable according to claim 1, characterized in that the filling layer (1) is a non-hygroscopic filling material.
5. The 1KV energy-saving fireproof cable according to claim 1, wherein the protective layer (2) comprises a first wrapping layer (14), an inner lining layer (15), a fireproof layer (), a second wrapping layer (16), a steel tape armor layer (17) and an outer sheath layer (18) which are arranged in sequence from inside to outside.
6. The 1KV energy-saving fireproof cable according to claim 5, wherein a plurality of arc-shaped protrusions (19) are arranged outside the inner liner (15), openings of the arc-shaped protrusions (19) face outwards, argil mud (20) is arranged in the arc-shaped protrusions (19), fireproof mud (21) is arranged between every two adjacent arc-shaped protrusions (19), and the arc-shaped protrusions (19), the argil mud (20) and the fireproof mud (21) form the fireproof layer (22).
7. A1 KV energy-saving fireproof cable according to claim 6, wherein the arc-shaped protrusions (19) are made of rubber.
8. A 1KV energy-saving fireproof cable according to claim 3, wherein the number of the conducting wires (3) is 3, and the number of the water-cooling channels (13) is 3.
CN202121123113.2U 2021-05-24 2021-05-24 1KV energy-saving fireproof cable Active CN215577739U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121123113.2U CN215577739U (en) 2021-05-24 2021-05-24 1KV energy-saving fireproof cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121123113.2U CN215577739U (en) 2021-05-24 2021-05-24 1KV energy-saving fireproof cable

Publications (1)

Publication Number Publication Date
CN215577739U true CN215577739U (en) 2022-01-18

Family

ID=79863388

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121123113.2U Active CN215577739U (en) 2021-05-24 2021-05-24 1KV energy-saving fireproof cable

Country Status (1)

Country Link
CN (1) CN215577739U (en)

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