CN210692123U

CN210692123U - Novel multi-conductor type circular power cable

Info

Publication number: CN210692123U
Application number: CN201921488556.4U
Authority: CN
Inventors: 李楚恒
Original assignee: Zhaoqing Henghai Wire And Cable Co Ltd
Current assignee: Zhaoqing Henghai Wire And Cable Co Ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-06-05
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a novel circular power cable of many conductor formulas, prevent the ring of splitting including cable main part and reinforcement, it installs and obtains the circumference outside in cable main part to consolidate to prevent the ring of splitting, be provided with the identification code on one side outer wall of cable main part, there is a neotype insulating layer through the conductor main part outside increase on this circular power cable of many conductor formulas, and this neotype insulating layer mainly adopts polyvinyl chloride to make, and the insulating layer that adopts polyvinyl chloride to make has following advantage compared in the insulating layer of traditional material: the insulating layer made of polyvinyl chloride is simpler and more convenient to extrude compared with the insulating layer made of traditional materials, the breakdown strength is high, the dielectric coefficient is small, and the dielectric loss tangent value is low, and the installation is not influenced by the laying drop.

Description

Novel multi-conductor type circular power cable

Technical Field

The utility model belongs to the technical field of the cable is relevant, concretely relates to novel circular power cable of many conductor formulas.

Background

The power cable is used for transmitting and distributing electric energy, is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and transmission lines under river-crossing seawater, is gradually increased in proportion in the power line, is a cable product used for transmitting and distributing high-power electric energy in a trunk line of a power system, and comprises various insulated power cables with voltage grades of 1-500KV and above.

The existing power cable technology has the following problems: current power cable is when producing the use, and inside conductor is single solid basically, can make whole power cable its whole harder when using like this to can influence whole power cable's normal installation and use, and the insulating layer that traditional conductor outside cup jointed is because receiving the restriction of production material, and its insulating properties and mechanical strength are all comparatively poor, not only can increase the energy consumption of whole power cable when using like this, also can influence whole power cable security when using simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel circular power cable of many root circle conductors formula to solve the outside insulating layer that cup joints of traditional conductor that proposes in the above-mentioned background art because the restriction that receives the production material, its insulating properties and mechanical strength are all relatively poor, so not only can increase the energy resource consumption of whole power cable when using, also can influence the problem of whole power cable security when using simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel circular power cable of many conductors formula, includes cable main part and reinforcement anti-crack ring, it installs and obtains the circumference outside at cable main part to consolidate anti-crack ring, be provided with the discernment code on one side outer wall of cable main part, be provided with restrictive coating, insulating layer and conductor main part in the cable main part, the insulating layer cup joints the circumference outside in the conductor main part, the restrictive coating cup joints the outside at the insulating layer, the discernment code sets up on the circumference outer wall of restrictive coating, it cup joints the circumference outside at the restrictive coating to consolidate anti-crack ring, the inside a plurality of single small conductors that are provided with of conductor main part, the insulating layer cup joints the outside at a plurality of single small conductors.

Preferably, the number of the conductor main bodies is three, the shape, size and structural composition of the three conductor main bodies are the same, the insulating layers are sleeved outside the circumference of each of the three conductor main bodies, and the sheath layers are sleeved outside the insulating layers on the three conductor main bodies arranged at equal intervals.

Preferably, the conductor main body is formed by closely arranging a plurality of single small conductors at equal intervals, and the cross section of the conductor main body formed by closely arranging a plurality of single small conductors at equal intervals is circular.

Preferably, the insulating layer is mainly made of polyvinyl chloride, and the insulating layer made of polyvinyl chloride has good insulating property and mechanical strength.

Preferably, the diameter of the inner circumference of the reinforced anti-cracking ring is equal to the diameter of the outer circumference of the sheath layer, and the reinforced anti-cracking ring can be completely sleeved on the outer wall of the circumference of the sheath layer.

Compared with the prior art, the utility model provides a novel circular power cable of many conductor formulas possesses following beneficial effect:

the utility model discloses a conductor main part outside on the circular power cable of this many conductor formulas increases has a neotype insulating layer, and this neotype insulating layer mainly adopts polyvinyl chloride to make, and the insulating layer that adopts polyvinyl chloride to make has following advantage than the insulating layer of traditional material: one, better insulating properties, the condition that can effectually prevent that the electric leakage from arousing the conflagration like this from taking place, two, good mechanical strength has, the cracked condition can not appear in the outside novel insulating layer of conductor main part to wrap up when using like this, three, the insulating layer of being made by polyvinyl chloride is more simple and convenient than its extrusion moulding in insulating layer of traditional material, the energy consumption that can produce like this when producing this novel insulating layer is littleer and the production volume is more, four, breakdown strength is high, five, the dielectric coefficient is little, six, at the bottom of the dielectric loss tangent value, seven, the installation is not influenced by laying the drop, and the conductor main part of this novel insulating layer parcel is made through many thinner single little conductors, single solid conductor cable is more soft like this, and bending radius is littleer, more can satisfy customer's installation demand, this novel insulating layer concentrates above advantage can greatly increased whole power cable's safety in utilization and life The service life of the novel power cable is greatly enlarged.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a three-dimensional structure of a novel multi-conductor circular power cable provided by the present invention;

fig. 2 is a schematic view of the internal cross-sectional structure of a novel multi-conductor circular power cable provided by the present invention;

in the figure: 1. a cable body; 2. identifying a code; 3. reinforcing the anti-cracking ring; 4. a sheath layer; 5. an insulating layer; 6. a conductor body; 7. a single small conductor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a novel multi-conductor circular power cable comprises a cable main body 1 and a reinforcing anti-cracking ring 3, wherein the reinforcing anti-cracking ring 3 is arranged outside the circumference of the cable main body 1, the diameter of the circumference inside the reinforcing anti-cracking ring 3 is equal to the diameter of the circumference outside a sheath layer 4, the reinforcing anti-cracking ring 3 can be completely sleeved on the circumference outer wall of the sheath layer 4, the reinforcing anti-cracking ring 3 can prevent the sheath layer 4 from cracking under the influence of extreme temperature when the whole power cable is used in an extreme environment, so that the whole power cable can be safely and permanently used, an identification code 2 is arranged on the outer wall of one side of the cable main body 1, the sheath layer 4, an insulating layer 5 and a conductor main body 6 are arranged on the cable main body 1, the insulating layer 5 is sleeved outside the circumference of the conductor main body 6, the insulating layer 5 is mainly made of polyvinyl chloride, and the insulating layer 5 is made of polyvinyl chloride and has good insulating property and mechanical strength, therefore, the novel insulating layer 5 wrapped outside the conductor main body 6 can not be broken when in use, the insulating layer 5 made of polyvinyl chloride is simpler and more convenient to extrude and form compared with the insulating layer 5 made of traditional materials, the novel insulating layer 5 can generate less energy consumption and more production when in production, the breakdown strength is high, the dielectric coefficient is small, the dielectric loss tangent value is low, the installation is not influenced by laying drop, the sheath layer 4 is sleeved outside the insulating layer 5, the identification codes 2 are arranged on the circumferential outer wall of the sheath layer 4, the reinforcing crack-proof ring 3 is sleeved outside the circumference of the sheath layer 4, a plurality of single small conductors 7 are arranged inside the conductor main body 6, the insulating layer 5 is sleeved outside the plurality of single small conductors 7, the number of the conductor main bodies 6 is three, the shape size and the structure composition of the three conductor main bodies 6 are the same, insulating layer 5 has all been cup jointed to the circumference outside of three conductor main part 6, the insulating layer 5's of insulating layer 5 on the conductor main part 6 that three equidistance was arranged is cup jointed to restrictive coating 4, conductor main part 6 is hugged closely by a plurality of single little conductor 7 equidistance and is arranged and form, 6 cross-sectional shapes of conductor main part that a plurality of single little conductor 7 equidistance were hugged closely and are arranged and form are circular, like this relative single solid conductor cable its more soft, and bend radius is littleer, more can satisfy customer's installation demand.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back, this neotype circular power cable of many conductor formulas when production's process flow does: conductor wire drawing annealing → conductor stranding → insulation extrusion → cabling → outer sheath extrusion → finished product inspection → packaging and delivery, when the single small conductor 7 is subjected to wire drawing annealing, a plurality of single small conductors 7 are required to be closely arranged together according to circular equidistance, and are produced and formed into an integral conductor main body 6 through production process means, the conductor main body 6 made of the plurality of thin single small conductors 7 is softer and has smaller bending radius compared with a single solid conductor cable, so that the installation requirement of a client can be better met, then a novel insulating layer 5 is produced and sleeved outside the circumference of the conductor main body 6 through an insulation extrusion process, so that a single cable is formed, then a plurality of single cables are correspondingly combined according to the use requirement, and when a plurality of single cables are combined, a sheath layer 4 is required to be sleeved and installed outside the combined single cables through an outer sheath extrusion process to form a cable main body 1, and then, quality inspection needs to be carried out on the produced finished cable main body 1, the unqualified cable main body 1 needs to be re-manufactured in a furnace, and the qualified cable main body 1 is packaged and delivered out of a factory to be put into use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel circular power cable of many root circle conductors formula, includes cable main part (1) and consolidates and prevent ring (3) that splits, its characterized in that: consolidate and prevent that split ring (3) installs and obtain the circumference outside in cable main part (1), be provided with identification code (2) on one side outer wall of cable main part (1), be provided with restrictive coating (4), insulating layer (5) and conductor main part (6) on cable main part (1), insulating layer (5) cup joint the circumference outside in conductor main part (6), restrictive coating (4) cup joint the outside at insulating layer (5), identification code (2) set up on the circumference outer wall of restrictive coating (4), consolidate and prevent that split ring (3) cup joint the circumference outside at restrictive coating (4), conductor main part (6) inside is provided with a plurality of single small conductors (7), insulating layer (5) cup joint the outside at a plurality of single small conductors (7).

2. The novel multiple conductor round power cable of claim 1, wherein: conductor main part (6) are provided with threely altogether, and are three the shape size and the structure of conductor main part (6) constitute equally same, and are three insulating layer (5) have all been cup jointed to the circumference outside of conductor main part (6), the outside of insulating layer (5) on three equidistance conductor main part (6) of arranging is cup jointed in restrictive coating (4).

3. The novel multiple conductor round power cable of claim 1, wherein: the conductor main body (6) is formed by closely attaching a plurality of single small conductors (7) in equal distance, and the cross section of the conductor main body (6) formed by closely attaching the single small conductors (7) in equal distance is circular.

4. The novel multiple conductor round power cable of claim 1, wherein: the insulating layer (5) is mainly made of polyvinyl chloride, and the insulating layer (5) is made of polyvinyl chloride and has good insulating property and mechanical strength.

5. The novel multiple conductor round power cable of claim 1, wherein: consolidate and prevent that ring (3) inside circumference diameter equals with the outside circumference diameter of restrictive coating (4), consolidate and prevent that ring (3) can be complete cup joint on the circumference outer wall of restrictive coating (4).