CN215988198U - High-strength moisture-proof fireproof power cable - Google Patents

High-strength moisture-proof fireproof power cable Download PDF

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Publication number
CN215988198U
CN215988198U CN202122363394.5U CN202122363394U CN215988198U CN 215988198 U CN215988198 U CN 215988198U CN 202122363394 U CN202122363394 U CN 202122363394U CN 215988198 U CN215988198 U CN 215988198U
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China
Prior art keywords
layer
arranged outside
cable
power cable
fireproof
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Active
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CN202122363394.5U
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Chinese (zh)
Inventor
李仲宏
徐磊
席素玲
曾天良
胡朝孙
张怀广
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Yangzhou Huacheng Cable Co Ltd
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Yangzhou Huacheng Cable Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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Abstract

The utility model discloses a high-strength moisture-proof fireproof power cable, which belongs to the technical field of power cables and comprises a cable core, wherein an insulating layer is arranged outside the cable core, a fireproof layer is arranged outside the insulating layer, water-blocking powder is arranged outside the fireproof layer, a PP (polypropylene) reticular fiber layer is arranged outside the water-blocking powder, a waterproof layer is arranged outside the PP reticular fiber layer, a reinforcing layer is arranged outside the waterproof layer, an armor layer is arranged outside the reinforcing layer, and an outer tegument is arranged outside the armor layer.

Description

High-strength moisture-proof fireproof power cable
Technical Field
The utility model relates to the technical field of power cables, in particular to a high-strength moisture-proof fireproof power cable.
Background
Cables are made of one or more mutually insulated conductors and an outer insulating sheath that carries power or information from one point to another. The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.
The existing cable has poor moisture-proof effect, and moisture is easy to intrude into the cable body, so that the situation of electric leakage or short circuit can occur; on the other hand, the existing cable is low in strength, so that a wire core is easy to damage, and therefore the high-strength moisture-proof fireproof power cable is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-strength moisture-proof fireproof power cable to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a dampproofing fire prevention power cable excels in, includes the cable core, and the outside of cable core is provided with the insulating layer, and the outside of insulating layer is provided with the flame retardant coating, and the outside of flame retardant coating is provided with the powder that blocks water, and the outside of the powder that blocks water is provided with PP reticular fiber layer, and the outside of PP reticular fiber layer is provided with the waterproof layer, and the outside of waterproof layer is provided with the enhancement layer, and the outside of enhancement layer is provided with the armor, and the outside of armor is provided with outer tegillum.
Further: the fire-proof layer comprises a fire-resistant mica tape layer and a ceramic silica gel rubber isolation layer, and the ceramic silica gel rubber isolation layer is positioned on the outer side of the fire-resistant mica tape layer.
Further: the insulating layer is ceramic silicon rubber.
Further: the water-blocking powder is acrylic water-blocking powder.
Further: the waterproof layer is a waterproof film.
Further: the reinforced layer is a rubber layer, the armor layer is galvanized steel tape armor, and the outer tegument layer is made of halogen-free low-smoke insulating material.
Compared with the prior art, the utility model has the beneficial effects that:
1. the fireproof performance of the power cable is improved through the fireproof layer and the outer layer, the strength of the power cable is improved through the reinforcing layer and the armor layer, and the waterproof performance of the power cable is improved through the water-blocking powder and the waterproof layer.
2. According to the utility model, water, air or other objects can be prevented from contacting the cable core through the arrangement of the insulating layer, and the cable core can be prevented from electric shock through the insulating layer.
Drawings
FIG. 1 is a schematic structural view of a high-strength moisture-proof fireproof power cable according to the present invention;
in the figure: 1 cable core, 2 insulating layers, 3 fireproof layers, 31 fireproof mica tape layers, 32 ceramic silica gel rubber isolating layers, 4 water-blocking powder, 5PP reticular fiber layers, 6 waterproof layers, 7 reinforcing layers, 8 armor layers and 9 outer teguments.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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 creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1, the present invention provides a technical solution: a high-strength moisture-proof fireproof power cable comprises a cable core 1, an insulating layer 2 is arranged outside the cable core 1, a fireproof layer 3 is arranged outside the insulating layer 2, the fireproof performance of the power cable is improved due to the arrangement of the fireproof layer 3, water blocking powder 4 is arranged outside the fireproof layer 3, the water blocking powder 4 is acrylic water blocking powder, the water blocking powder is good in adhesion and low in cost, the waterproof performance of the power cable is improved due to the water blocking powder 4, a PP reticular fiber layer 5 is arranged outside the water blocking powder 4, a waterproof layer 6 is arranged outside the PP reticular fiber layer 5, the waterproof layer 6 is a waterproof film, the waterproof performance of the device is further improved due to the arrangement of the waterproof layer 6, a reinforcing layer 7 is arranged outside the waterproof layer 6, the reinforcing layer 7 is a rubber layer, the rubber layer is light in weight and can increase the compressive strength of the cable, the cable core 1 is prevented from being damaged, and an armor layer 8 is arranged outside the reinforcing layer 7, armor 8 is the galvanized steel strip armor, and the galvanized steel strip armor has the protection cable core and resists the effect of mechanical external force, improves the protective properties of cable, and armor 8's outside is provided with outer tegument 9, and outer tegument 9 adopts and does not have steamed low cigarette insulating material to make, and outer tegument 9 sets up the flame retardant property that has further improved power cable.
Preferably, the fireproof layer 3 comprises a fireproof mica tape layer 31 and a ceramic silica gel rubber isolation layer 32, the ceramic silica gel rubber isolation layer 32 is located on the outer side of the fireproof mica tape layer 31, the fireproof mica tape layer 31 is used as a fireproof layer, the ceramic silica gel rubber isolation layer 32 is used as a fireproof isolation layer, the fire resistance temperature of the cable can reach 950-1000 ℃, the national standard of the level is 750-800 ℃, and the fire resistance and fire resistance capability of the cable can be effectively guaranteed.
Example 2:
referring to fig. 1, this embodiment is different from the first embodiment in that: the insulating layer 2 is ceramic silicon rubber, the cable core 1 is wrapped by the insulating layer 2, the cable core 1 is prevented from contacting water, air or other objects, and the cable core 1 can be prevented from electric shock through the insulating layer 2.
The working principle is as follows: utilize insulating layer 2 to wrap up cable core 1, avoid cable core 1 and water, air or other object contacts, and can prevent through insulating layer 2 that cable core 1 from electrocuting, the waterproof performance of power cable has been improved to water-blocking powder 4, the waterproof performance of the device has further been improved in setting up of waterproof layer 6, enhancement layer 7 is the rubber layer, not only light in weight on the rubber layer, can also increase the compressive strength of cable, avoid cable core 1 to receive the damage, armor 8 is galvanized steel strip armor, galvanized steel strip armor has the effect of protecting the cable core and resisting mechanical external force, the protective properties of cable is improved, fire barrier 3 and tegument 9 have improved power cable's fire behavior.
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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a dampproofing fire prevention power cable excels in, includes cable core (1), its characterized in that: the cable comprises a cable core (1), and is characterized in that an insulating layer (2) is arranged outside the cable core (1), a fireproof layer (3) is arranged outside the insulating layer (2), water-blocking powder (4) is arranged outside the fireproof layer (3), a PP (polypropylene) reticular fiber layer (5) is arranged outside the water-blocking powder (4), a waterproof layer (6) is arranged outside the PP reticular fiber layer (5), a reinforced layer (7) is arranged outside the waterproof layer (6), an armor layer (8) is arranged outside the reinforced layer (7), and an outer tegument layer (9) is arranged outside the armor layer (8).
2. A high strength moisture and fire resistant power cable as claimed in claim 1, wherein: the fireproof layer (3) comprises a fireproof mica tape layer (31) and a ceramic silica gel rubber isolation layer (32), and the ceramic silica gel rubber isolation layer (32) is located on the outer side of the fireproof mica tape layer (31).
3. A high strength moisture and fire resistant power cable as claimed in claim 1, wherein: the insulating layer (2) is made of ceramic silicon rubber.
4. A high strength moisture and fire resistant power cable as claimed in claim 1, wherein: the water-blocking powder (4) is acrylic water-blocking powder.
5. A high strength moisture and fire resistant power cable as claimed in claim 1, wherein: the waterproof layer (6) is a waterproof film.
6. A high strength moisture and fire resistant power cable as claimed in claim 1, wherein: the reinforced layer (7) is a rubber layer, the armor layer (8) is galvanized steel tape armor, and the outer layer (9) is made of a halogen-free low-smoke insulating material.
CN202122363394.5U 2021-09-28 2021-09-28 High-strength moisture-proof fireproof power cable Active CN215988198U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122363394.5U CN215988198U (en) 2021-09-28 2021-09-28 High-strength moisture-proof fireproof power cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122363394.5U CN215988198U (en) 2021-09-28 2021-09-28 High-strength moisture-proof fireproof power cable

Publications (1)

Publication Number Publication Date
CN215988198U true CN215988198U (en) 2022-03-08

Family

ID=80510341

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122363394.5U Active CN215988198U (en) 2021-09-28 2021-09-28 High-strength moisture-proof fireproof power cable

Country Status (1)

Country Link
CN (1) CN215988198U (en)

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