CN218069407U

CN218069407U - Corrosion-resistant low-voltage cable

Info

Publication number: CN218069407U
Application number: CN202220923371.7U
Authority: CN
Inventors: 武照勋
Original assignee: Hongyuan Cable Co ltd
Current assignee: Hongyuan Cable Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-12-16
Anticipated expiration: 2032-04-21

Abstract

The utility model relates to a power transmission technical field, concretely relates to corrosion-resistant low tension cable, including cable main part and conductor, the inside of corrosion-resistant low tension cable main part is equipped with the conductor, and one side of corrosion-resistant low tension cable conductor is equipped with corrosion-resistant layer, and one side on corrosion-resistant layer is equipped with low temperature resistant layer, and one side on corrosion-resistant low tension cable low temperature resistant layer is equipped with high temperature resistant layer, and the one end of corrosion-resistant low tension cable conductor is connected with the go-between, and the conductor hole has been seted up to the inside of corrosion-resistant low tension cable go-between. The utility model overcomes prior art's is not enough, through setting up corrosion-resistant layer, low temperature resistant layer and high temperature resistant layer, makes the person in charge have good corrosion resistance through corrosion-resistant layer, avoids the main part to receive the erosion for a long time, has improved the life of main part, makes the main part can use in various environment through high temperature resistant layer, has avoided the potential safety hazard, makes the person in charge possess higher low temperature resistant impact through low temperature resistant layer, has improved the rate of utilization of this cable.

Description

Corrosion-resistant low-voltage cable

Technical Field

The utility model relates to a power transmission technical field specifically is a corrosion-resistant low tension cable.

Background

A cable is a conductor coated with an insulating layer, a protective layer, a shield layer, and the like for transmitting power, signal current, and signal voltage. The cable can be divided into a high-voltage cable and a low-voltage cable according to voltage. Compared with low-voltage overhead lines and low-voltage overhead insulated lines, low-voltage cable lines have higher construction cost and are difficult to lay and maintain, but have the characteristics of reliable operation, no erection of electric poles, no occupation of ground, no influence on the appearance, less influence by the outside and the like, so the low-voltage cable lines are widely applied to low-voltage power distribution systems.

However, in the long-term use process of the existing cable, the surface of the cable is easily affected by the outside to generate corrosion, so that the service life of the cable is reduced; and present cable need become one with its winding for it is comparatively loaded down with trivial details when later stage needs look for, is unfavorable for in-service use.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

a corrosion-resistant low-voltage cable comprises a cable main body and a conductor, wherein the conductor is arranged inside the cable main body, a corrosion-resistant layer is arranged on one side of the conductor, a low-temperature-resistant layer is arranged on one side of the corrosion-resistant layer, and a high-temperature-resistant layer is arranged on one side of the low-temperature-resistant layer;

one end of the conductor is connected with a connecting ring, conductor holes are formed in the connecting ring, a plurality of conductor holes are distributed in the connecting ring at equal intervals, and the shape of each conductor hole is matched with that of the conductor.

Preferably, the surface of the cable main body is provided with an outer protective sleeve, and one end of the cable main body is provided with a plurality of reserved conductor holes.

Preferably, a conductor shielding layer is arranged inside the conductor, and the contact surface of the conductor shielding layer and the conductor is tightly attached.

Preferably, one side of the high temperature resistant layer is provided with a water-resistant layer, and the water-resistant layer is formed by compounding a layer of semi-conductive non-woven fabric and a layer of super absorbent resin.

Preferably, the conductor is internally provided with an insulating layer, one side of the insulating layer is provided with an insulating shielding layer, and the contact surface of the insulating shielding layer and the insulating layer is tightly attached.

Preferably, an inner protective sleeve is arranged inside the conductor, and the inner protective sleeve and the outer protective sleeve are in the same shape.

The embodiment of the utility model provides a corrosion-resistant low tension cable possesses following beneficial effect: the cable has the advantages that the surface of the existing cable is easy to corrode due to the influence of the outside in the long-time use process, various structures are arranged inside the cable, the main pipe has good corrosion resistance through the corrosion-resistant layer, the main body is prevented from being corroded for a long time, the service life of the main body is prolonged, the main body can be used in various environments through the high-temperature-resistant layer, potential safety hazards are avoided, the main pipe has higher low-temperature impact resistance through the low-temperature-resistant layer, the use rate of the cable is improved, the water-blocking layer is generally formed by adding water-blocking powder and water-blocking yarns between single wires of a stranded conductor in the single wire stranding process, and when the conductor enters water, the water-blocking powder or the water-blocking yarns expand when encountering water, so that gaps are blocked, and further water permeation is prevented; and present cable need become one with its winding, and this cable can be connected the conductor hole that the conductor passes through go-between inside, twines afterwards, and the later stage user of being convenient for detects it to a plurality of reservation conductor holes have been seted up to the one end of cable main part, and when many conductors were connected to needs, user can put into with it and reserve the conductor downthehole, is favorable to in-service use.

1. Through setting up corrosion resistant layer, low temperature resistant layer and high temperature resistant layer, make the person in charge have good corrosion resistance through corrosion resistant layer, avoid the main part to receive the erosion for a long time, the life of main part has been improved, make the main part can use in various environment through high temperature resistant layer, the potential safety hazard has been avoided, make the person in charge possess higher low temperature resistant impact through low temperature resistant layer, the rate of utilization of this cable has been improved, and water blocking layer 9 generally adds the powder of blocking water and the yarn that blocks water at the monofilament transposition in-process between the stranded conductor monofilament, when conductor 2 was intake, the powder of blocking water or the yarn that blocks water met water inflation, block up the gap, block the further infiltration of water.

2. Through setting up go-between and conductor hole, the user can connect the conductor through the inside conductor hole of go-between when connecting, twines afterwards, and the testing personnel later stage of being convenient for detects it, has improved work efficiency to a plurality of reservation conductor holes have been seted up to the one end of cable main part, and when many conductors were connected to needs, the user can put into it and reserve the conductor downthehole, is favorable to in-service use, has strengthened its practicality.

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 serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the front structure of the cable of the present invention;

FIG. 3 is a schematic view of the inner layer structure of the conductor of the present invention;

fig. 4 is a schematic diagram of the connection ring structure of the present invention.

In the figure: 1. a cable main body; 2. a conductor; 3. an outer protective sheath; 4. reserving a conductor hole; 5. a connecting ring; 6. a conductor shield layer; 7. an insulating layer; 8. an insulating shield layer; 9. a water resistant layer; 10. a high temperature resistant layer; 11. a low temperature resistant layer; 12. a corrosion-resistant layer; 13. an inner protective sleeve; 14. a conductor hole.

Detailed Description

The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

The embodiment is as follows: as shown in fig. 1 to 4, a corrosion-resistant low-voltage cable comprises a cable main body 1 and a conductor 2, wherein the conductor 2 is arranged in the cable main body 1, a corrosion-resistant layer 12 is arranged on one side of the conductor 2, the corrosion-resistant layer 12 enables a main pipe to have good corrosion resistance, the main body is prevented from being corroded for a long time, the service life of the main body is prolonged, a low temperature-resistant layer 11 is arranged on one side of the corrosion-resistant layer 12, the low temperature-resistant layer 11 enables the main pipe to have higher low temperature impact resistance, the utilization rate of the cable is improved, a high temperature-resistant layer 10 is arranged on one side of the low temperature-resistant layer 11, the main body can be used in various environments due to the high temperature-resistant layer 10, potential safety hazards are avoided, one end of the conductor 2 is connected with a connecting ring 5, conductor holes 14 are formed in the connecting ring 5, a plurality of the conductor holes 14 are distributed at equal intervals by taking the connecting ring 5 as a center, the shape of the conductor holes 14 is matched with the shape of the conductor 2, and when a user connects the conductor 2, the conductor 2 can be connected together difficultly wound.

Specifically, please refer to fig. 2, because the surface of the cable body 1 is provided with the outer protective sheath 3, the cable has higher rigidity and strength, and one end of the cable body 1 is provided with a plurality of reserved conductor holes 4, when a plurality of conductors 2 need to be connected, a user can put the cable into the reserved conductor holes 4, which is convenient for use.

Specifically, referring to fig. 3, since the conductor shielding layer 6 is disposed inside the conductor 2, and the contact surface between the conductor shielding layer 6 and the conductor 2 is tightly attached, the conductor shielding layer 6 mainly alleviates stress concentration inside the cable and in the electric field, eliminates the influence of conductor twisting, and improves the electric field and radial distribution inside the cable to improve the electrical strength of the cable.

Specifically, referring to fig. 3, since one side of the high temperature resistant layer 10 is provided with the water blocking layer 9, and the water blocking layer 9 is formed by compounding a layer of semi-conductive non-woven fabric and super absorbent resin, the water blocking layer 9 is generally formed by adding water blocking powder and water blocking yarns in the process of twisting the monofilaments of the twisted conductor, when the conductor 2 is fed with water, the water blocking powder or the water blocking yarns expand with water to block the gaps and prevent further water penetration.

Specifically, referring to fig. 3, since the insulating layer 7 is disposed inside the conductor 2, the insulating layer 7 improves performance of the cable, and the insulating shielding layer 8 is disposed on one side of the insulating layer 7, when a short circuit occurs in the system, the insulating shielding layer 8 serves as a short-circuit current channel to shield an electric field, and a contact surface between the insulating shielding layer 8 and the insulating layer 7 is tightly attached.

Specifically, referring to fig. 3, since the inner protective sheath 13 is disposed inside the conductor 2, and the inner protective sheath 13 and the outer protective sheath 3 are in the same shape, the cable has higher rigidity and strength.

The working principle is as follows: when a user connects the conductors, the conductors 2 can be connected through the conductor holes 14 in the connecting ring 5 and then wound, when a plurality of conductors 2 need to be connected, the user can put the conductors into the reserved conductor holes 4, and the cable is provided with various structures in the inside, the main pipe has good corrosion resistance through the corrosion-resistant layer 12, the main body is prevented from being corroded for a long time, the service life of the main body is prolonged, the main body can be used in various environments through the high-temperature-resistant layer 10, potential safety hazards are avoided, the main pipe has higher low-temperature impact resistance through the low-temperature-resistant layer 11, the service rate of the cable is improved, the water-blocking layer 9 is generally formed by adding water-blocking powder and water-blocking yarns in the monofilament twisting process among twisted conductor monofilaments, when the conductors 2 enter water, the water-blocking powder or the water-blocking yarns expand when encountering water, gaps are blocked, further penetration of water is prevented, the conductor shielding layer 6 is mainly used for relieving stress concentration of the inside and the electric field of the cable, the influence of the twisted conductors is eliminated, the electric field and the radial distribution of the cable is improved, the insulating layer 7 improves the performance of the cable, when a short-circuit system, the cable has a high-circuit current shielding layer 8, and has a high-protection function of a short-protection sleeve for protecting cable.

Claims

1. The corrosion-resistant low-voltage cable comprises a cable main body (1) and a conductor (2), and is characterized in that the conductor (2) is arranged in the cable main body (1), a corrosion-resistant layer (12) is arranged on one side of the conductor (2), a low-temperature-resistant layer (11) is arranged on one side of the corrosion-resistant layer (12), and a high-temperature-resistant layer (10) is arranged on one side of the low-temperature-resistant layer (11);

the one end of conductor (2) is connected with go-between (5), conductor hole (14) have been seted up to the inside of go-between (5), and conductor hole (14) use go-between (5) as the center and be the equidistance and distribute and be provided with a plurality of, the shape of conductor hole (14) and the shape phase-match of conductor (2).

2. The corrosion-resistant low-voltage cable according to claim 1, wherein an outer protective sleeve (3) is arranged on the surface of the cable body (1), and a plurality of reserved conductor holes (4) are formed in one end of the cable body (1).

3. The corrosion-resistant low-voltage cable according to claim 1, wherein the conductor (2) is internally provided with a conductor shielding layer (6), and the contact surface of the conductor shielding layer (6) and the conductor (2) is tightly attached.

4. The corrosion-resistant low-voltage cable according to claim 1, wherein a water-blocking layer (9) is arranged on one side of the high-temperature-resistant layer (10), and the water-blocking layer (9) is formed by compounding a layer of semi-conductive non-woven fabric and a layer of super absorbent resin.

5. The corrosion-resistant low-voltage cable according to claim 1, wherein an insulating layer (7) is arranged inside the conductor (2), an insulating shielding layer (8) is arranged on one side of the insulating layer (7), and the contact surface between the insulating shielding layer (8) and the insulating layer (7) is tightly attached.

6. Corrosion-resistant low-voltage cable according to claim 1, characterized in that the conductor (2) is internally provided with an inner protective sheath (13) and in that the inner protective sheath (13) is of the same shape as the outer protective sheath (3).