CN213545999U

CN213545999U - Compound fire prevention power cable of nanometer

Info

Publication number: CN213545999U
Application number: CN202022465404.1U
Authority: CN
Inventors: 吴俊新; 吴楚江; 侯绍山
Original assignee: Guangdong Junxingda Cable Technology Industrial Co ltd
Current assignee: Guangdong Junxingda Cable Technology Industrial Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-25
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a compound fire prevention power cable of nanometer, including the crust, the inboard of crust is provided with the back-fire relief layer, the inboard of back-fire relief layer is provided with the water blocking layer, the inboard of water blocking layer is provided with the conductor shield, the inboard of conductor shield is provided with the buffer layer. The utility model discloses a fire-retardant layer, water-resistant layer, conductor shielding layer, buffer layer have set gradually in the inboard of crust, and the fire-retardant layer can improve fire-retardant ability, and water-resistant layer can improve waterproof ability, and conductor shielding layer can shield irrelevant signal and provide comparatively reliable guarantee ability to the transmission of sinle silk, and the buffer layer can improve bearing capacity, plays fine guard action to the internal line core, the utility model discloses a combination of fire-retardant layer, water-resistant layer, conductor shielding layer, buffer layer can play diversified protection to the internal line core, and whole protecting effect is better, long service life, and the practicality is strong.

Description

Compound fire prevention power cable of nanometer

Technical Field

The utility model relates to a power cable correlation field specifically is a compound fire prevention power cable of nanometer.

Background

The power cable is a cable product used for transmitting and distributing high-power electric energy in a trunk line of a power system, and the basic structure of the power cable consists of four parts, namely a wire core (conductor), an insulating layer, a shielding layer and a protective layer, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater.

The power cables of the present stage have a number of disadvantages. For example: the protective effect is not good, the service life is short and the bearing performance is not enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound fire prevention power cable of nanometer to solve the problem that the protective effect that proposes in the above-mentioned background is not good, life is lower and bearing capacity is not enough.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compound fire prevention power cable of nanometer, includes the crust, the inboard of crust is provided with the back-fire relief layer, the inboard of back-fire relief layer is provided with the water blocking layer, the inboard of water blocking layer is provided with the conductor shielding layer, the inboard of conductor shielding layer is provided with the buffer layer.

In a further embodiment, an insulating filling layer is arranged on the inner side of the buffer layer, and an insulating layer is arranged on the inner side of the insulating filling layer.

In a further embodiment, a wire core is arranged on the inner side of the insulating layer, the wire core is fixedly connected with the buffer layer through the insulating layer, and an inner sheath is arranged on the outer side of the wire core.

In a further embodiment, a fire-resistant layer is arranged in the conductor shielding layer, and an outer armor is arranged on the outer side of the fire-resistant layer.

In a further embodiment, the inner armor is disposed on the inside of the outer armor, and the outer armor is fixedly connected to the fire barrier through a water barrier.

In a further embodiment, the outer side of the buffer layer is provided with an outer aluminum sheath.

In a further embodiment, the inner side of the buffer layer is provided with an inner aluminum sheath.

In a further embodiment, the inner side of the water-resistant layer is provided with an inner water-absorbing layer, and the outer side of the water-resistant layer is provided with an outer water-absorbing layer.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a fire-retardant layer, water-resistant layer, conductor shielding layer, buffer layer have set gradually in the inboard of crust, and the fire-retardant layer can improve fire-retardant ability, and water-resistant layer can improve waterproof ability, and conductor shielding layer can shield irrelevant signal and provide comparatively reliable guarantee ability to the transmission of sinle silk, and the buffer layer can improve bearing capacity, plays fine guard action to the internal line core, the utility model discloses a combination of fire-retardant layer, water-resistant layer, conductor shielding layer, buffer layer can play diversified protection to the internal line core, and whole protecting effect is better, long service life, and the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the conductor shielding layer of the present invention;

fig. 3 is a schematic structural diagram of a buffer layer according to the present invention;

fig. 4 is a schematic structural view of the water-blocking layer of the present invention.

In the figure: 1. a wire core; 2. a conductor shield layer; 3. a water resistant layer; 4. a fire barrier layer; 5. a buffer layer; 6. an insulating filling layer; 7. an insulating layer; 8. an inner sheath; 9. a refractory layer; 10. inner armor; 11. external armor; 12. an outer aluminum sheath; 13. an inner aluminum sheath; 14. absorbing water layer internally; 15. an outer water absorption layer; 16. and (4) coating.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a nanometer composite fireproof power cable comprises a sheath 16, wherein a fire retardant layer 4 is arranged on the inner side of the sheath 16, a water resistant layer 3 is arranged on the inner side of the fire retardant layer 4, a conductor shielding layer 2 is arranged on the inner side of the water resistant layer 3, and a buffer layer 5 is arranged on the inner side of the conductor shielding layer 2; the utility model discloses a back-fire relief layer 4, water blocking layer 3, conductor shielding layer 2, buffer layer 5 have set gradually in crust 16's inboard, and back-fire relief layer 4 can improve fire-proof ability, and water blocking layer 3 can improve waterproof ability, and conductor shielding layer 2 can shield irrelevant signal and provide comparatively reliable guarantee ability to sinle silk 1's transmission, and buffer layer 5 can improve the bearing capacity, plays fine guard action to inside sinle silk 1, the utility model discloses a back-fire relief layer 4, water blocking layer 3, conductor shielding layer 2, buffer layer 5's combination can play diversified protection to inside sinle silk 1, and whole protecting effect is better, long service life, and the practicality is strong.

Further, the inboard of buffer layer 5 is provided with insulating filling layer 6, and insulating filling layer 6 is used for wall and the insulating effect of connecting between the sinle silk 1, and the inboard of insulating filling layer 6 is provided with insulating layer 7, and insulating layer 7 is used for carrying on completely cutting off between each sinle silk 1, further realizes sealing between each sinle silk 1, prevents that each sinle silk 1 from concatenating.

Further, the inboard of insulating layer 7 is provided with sinle silk 1, and sinle silk 1 is used for the electrical property transmission between the electric power, and sinle silk 1 passes through

insulating layer

7 and 5 fixed connection of buffer layer, and the outside of sinle silk 1 is provided with inner sheath 8, and inner sheath 8 is used for protecting the outside position of sinle silk 1.

Further, a fire-resistant layer 9 is arranged in the conductor shielding layer 2, the fire-resistant layer 9 can enhance the flame-retardant effect, an outer armor 11 is arranged on the outer side of the fire-resistant layer 9, and the outer armor 11 is used for protecting the connection of the outer side of the conductor shielding layer 2.

Further, the inboard of outer armor 11 is provided with interior armor 10, and interior armor 10 is used for the inboard position of protection conductor shield 2, and outer armor 11 passes through waterproofing layer 3 and back-fire relief layer 4 fixed connection.

Further, an outer aluminum sheath 12 is disposed on the outer side of the buffer layer 5, and the outer aluminum sheath 12 is used for enhancing the bearing capacity of the outer side of the buffer layer 5.

Further, an inner aluminum sheath 13 is disposed on the inner side of the buffer layer 5, and the inner aluminum sheath 13 is used for protecting the pressure bearing capacity of the inner side of the buffer layer 5.

Further, an inner water absorption layer 14 is arranged on the water resistance layer 3, the inner water absorption layer 14 is used for absorbing liquid on the inner side of the water resistance layer 3, an outer water absorption layer 15 is arranged on the outer side of the water resistance layer 3, and the outer water absorption layer 15 is used for absorbing liquid on the outer side of the water resistance layer 3, so that the waterproof capacity of the water resistance layer 3 is further improved.

The working principle is as follows: when the cable core is used, the fire retardant layer 4 is connected through the sheath 16, the water resistant layer 3 is connected through the fire retardant layer 4, water absorption in the range of the water resistant layer 3 is realized through the inner water absorption layer 14 and the outer water absorption layer 15 on the water resistant layer 3, the water resistance performance of the inner side of the fire retardant layer 4 is realized, the conductor shielding layer 2 is connected through the water resistant layer 3, the protection and signal transmission capability of the outer side of the cable core 1 is realized, the buffer layer 5 is connected through the conductor shielding layer 2, the fire resistance performance of the outer side of the conductor shielding layer 2 is isolated through the fire retardant layer 9 in the conductor shielding layer 2, the outer protection problem of the conductor shielding layer 2 is realized through the connection of the inner armor 10 and the outer armor 11 on the conductor shielding layer 2, the pressure bearing capability of the outer side of the cable core 1 is realized, the protection effect of the buffer layer 5 on the inner side of the cable core, increase sinle silk 1's overvoltage protection, further mention the effect of protection to sinle silk 1, prevent sinle silk 1 at the deformation problem of bearing the weight of the in-process, carry out the insulation and the fixed effect between sinle silk 1 through the inside insulating filling layer 6 of buffer layer 5 to the stable transmission of protection sinle silk.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A nanometer compound fire prevention power cable, includes crust (16), its characterized in that: the inboard of crust (16) is provided with back-fire relief layer (4), the inboard of back-fire relief layer (4) is provided with water blocking layer (3), the inboard of water blocking layer (3) is provided with conductor shield (2), the inboard of conductor shield (2) is provided with buffer layer (5).

2. The nanocomposite fire-resistant power cable according to claim 1, characterized in that: the buffer layer (5) is provided with an insulating filling layer (6) on the inner side, and an insulating layer (7) is arranged on the inner side of the insulating filling layer (6).

3. The nanocomposite fire-resistant power cable according to claim 2, characterized in that: the inboard of insulating layer (7) is provided with sinle silk (1), and sinle silk (1) passes through insulating layer (7) and buffer layer (5) fixed connection, the outside of sinle silk (1) is provided with inner sheath (8).

4. The nanocomposite fire-resistant power cable according to claim 1, characterized in that: a fireproof layer (9) is arranged in the conductor shielding layer (2), and an outer armor (11) is arranged on the outer side of the fireproof layer (9).

5. The nanocomposite fire-resistant power cable according to claim 4, characterized in that: the inner side of the outer armor (11) is provided with an inner armor (10), and the outer armor (11) is fixedly connected with the fire retardant layer (4) through a water resistant layer (3).

6. The nanocomposite fire-resistant power cable according to claim 1, characterized in that: an outer aluminum sheath (12) is arranged on the outer side of the buffer layer (5).

7. The nanocomposite fire-resistant power cable according to claim 1, characterized in that: an inner aluminum sheath (13) is arranged on the inner side of the buffer layer (5).

8. The nanocomposite fire-resistant power cable according to claim 1, characterized in that: an inner water absorption layer (14) is arranged on the inner side of the water resistance layer (3), and an outer water absorption layer (15) is arranged on the outer side of the water resistance layer (3).