CN215376964U

CN215376964U - Fireproof high-temperature-resistant cable

Info

Publication number: CN215376964U
Application number: CN202121638525.XU
Authority: CN
Inventors: 孙波
Original assignee: Wuxi Wanhan Cable Co ltd
Current assignee: Wuxi Wanhan Cable Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-12-31
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses a fireproof high-temperature-resistant cable which comprises a cable core, an insulating layer and a sheath layer, wherein the cable core comprises a copper conductor core, a mineral insulating layer, a copper sheath and an anti-corrosion protective outer sheath, the copper conductor core, the mineral insulating layer, the copper sheath and the anti-corrosion protective outer sheath are sequentially arranged from inside to outside, the insulating layer comprises an insulating shielding layer, a semi-conductive water-blocking tape layer, a copper wire shielding layer and a water-blocking tape which are sequentially arranged from inside to outside, the insulating shielding layer is coated on the outer side surface of the anti-corrosion protective outer sheath, the sheath layer comprises a metal sheath layer, an aluminum-plastic composite tape layer, an anti-corrosion layer, an outer sheath layer, a sheath pipe and a high-temperature-resistant silicon rubber sheath layer, and the metal sheath layer is coated on the outer side surface of the water-blocking tape. The utility model has good functions of corrosion resistance, heat insulation and aging resistance, and has excellent fire resistance and fire resistance.

Description

Fireproof high-temperature-resistant cable

Technical Field

The utility model belongs to the technical field of cables, and particularly relates to a fireproof high-temperature-resistant cable.

Background

With the continuous development of various industries, wire and cable are required to be used in many fields. It is known that electric wires and cables are generally made of combustible materials such as plastics or rubber, and once a fire occurs, the consequences are unreasonable, so fire-proof cables such as fire-resistant cables are also on the market, and at present, the electric wires and cables are required to be used everywhere, and the probability of disaster is relatively high, so that the fire-proof and high-temperature-resistant cables can play an important role in the fire.

In order to improve the performance of the cable in all aspects, a fireproof high-temperature-resistant cable is proposed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fireproof high-temperature-resistant 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 fire prevention high temperature resistant cable, includes cable core, insulating layer and restrictive coating, the cable core includes copper conductor heart yearn, mineral insulating layer, copper sheath and anticorrosive protection oversheath, copper conductor heart yearn, mineral insulating layer, copper sheath and anticorrosive protection oversheath set gradually from inside to outside, the insulating layer includes the insulation shielding layer, the semiconduction band layer that blocks water, copper wire shielding layer and the area that blocks water that set gradually from inside to outside, insulation shielding layer cladding is in the lateral surface of anticorrosive protection oversheath, the restrictive coating includes metal sheathing layer, plastic-aluminum composite strip layer, anticorrosive coating, oversheath layer, protecting pipe and the high temperature resistant silica gel tube layer that sets gradually from inside to outside, the cladding of metal sheathing layer is at the lateral surface of the area that blocks water.

Preferably, the mineral insulating layer is an inorganic magnesium oxide powder insulating layer.

Preferably, the outer anti-corrosion protective sheath is a polyimide film layer.

Preferably, the outer sheath layer is a polyethylene outer sheath layer containing a semiconductive layer.

Preferably, the protective sleeve is an alkali-free glass fiber fireproof sleeve.

Preferably, the high-temperature-resistant silica gel sleeve layer is an iron oxide organic silica gel sleeve layer.

The utility model has the technical effects and advantages that: the fireproof high-temperature-resistant cable adopts the mineral insulating layer to isolate the copper conductor core wire and the copper sheath, the polyimide film layer is used as the anticorrosion protection outer sheath of the cable core, the protection conductor is not damaged, the buffer effect is good, the cable core has good anticorrosion, thermal insulation and anti-aging effects in the using process of the cable, the insulating layer consisting of the insulation shielding layer, the semi-conductive water-blocking tape layer, the copper wire shielding layer and the water-blocking tape is adopted, the cable is not used as a cable wrapping layer, the cable also has excellent fire resistance, heat resistance, aging resistance, mechanical property and water-blocking property, the sheath layer adopts the aluminum-plastic composite tape layer and the anticorrosive layer, the aging resistance and the mechanical property of the cable can be effectively improved, the alkali-free glass fiber fireproof sleeve is used as the sheath pipe, and the iron oxide organic silica gel sleeve layer is used as the high-temperature-resistant silica gel sleeve layer, so that the cable has excellent flame resistance, even if a fire disaster happens, the fire can be prevented from spreading, and the internal pipeline can be still protected to be complete without damage for a long time.

Drawings

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

FIG. 2 is an exploded view of the present invention;

figure 3 is a schematic structural view of a cable core according to the utility model;

fig. 4 is an exploded view of fig. 2 of the present invention.

In the figure: 1. a cable core; 2. an insulating layer; 3. a sheath layer; 4. a copper conductor core wire; 5. a mineral insulation layer; 6. a copper sheath; 7. an outer corrosion protection sheath; 8. an insulating shield layer; 9. a semiconductive water blocking tape layer; 10. a copper wire shielding layer; 11. a water blocking tape; 12. a metal sheath layer; 13. aluminum-plastic composite belt layers; 14. an anticorrosive layer; 15. an outer jacket layer; 16. sheathing a pipe; 17. a high temperature resistant silica gel sleeve layer.

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.

The utility model provides a fireproof high-temperature-resistant cable shown in figures 1-4, which comprises a cable core 1, an insulating layer 2 and a sheath layer 3, the cable core 1 comprises a copper conductor core wire 4, a mineral insulating layer 5, a copper sheath 6 and an anticorrosion protective outer sheath 7, the copper conductor core wire 4, the mineral insulating layer 5, the copper sheath 6 and the anti-corrosion protective outer sheath 7 are sequentially arranged from inside to outside, the insulating layer 2 comprises an insulating shielding layer 8, a semi-conductive water-blocking tape layer 9, a copper wire shielding layer 10 and a water-blocking tape 11 which are arranged in sequence from inside to outside, the insulation shielding layer 8 covers the outer side surface of the anticorrosion protection outer sheath 7, the sheath layer 3 comprises a metal sheath layer 12, an aluminum-plastic composite tape layer 13, an anticorrosion layer 14, an outer sheath layer 15, a sheath pipe 16 and a high-temperature-resistant silica gel sheath layer 17 which are sequentially arranged from inside to outside, and the metal sheath layer 12 covers the outer side surface of the water blocking tape 11;

the mineral insulating layer 5 is an inorganic magnesium oxide powder insulating layer, the anticorrosion protective outer sheath 7 is a polyimide film layer, the outer sheath layer 15 is a polyethylene outer sheath containing a semi-conducting layer, the protective sleeve 16 is an alkali-free glass fiber fireproof sleeve, and the high-temperature-resistant silica gel sleeve layer 17 is an iron oxide organic silica gel sleeve layer.

The mineral insulating layer 5 is adopted to isolate a copper conductor core wire 4 from a copper sheath, the polyimide film layer is used as an anti-corrosion protective outer sheath 7 of the cable core 1, the conductor is protected from being damaged, and the cable has good buffering effect, has good anti-corrosion, thermal insulation and anti-aging effects on the cable core 1 in the using process of the cable, adopts an insulating layer consisting of an insulating shielding layer 8, a semi-conductive water-blocking tape layer 9, a copper wire shielding layer 10 and a water-blocking tape 11, enables the cable not to be wound with a cable, and also has excellent fire resistance, heat resistance, aging resistance, mechanical property and water-blocking property, the sheath layer 3 adopts an aluminum-plastic composite tape layer 13 and an anti-corrosion layer 14, can effectively improve the aging resistance and the mechanical property of the cable, adopts an alkali-free glass fiber fireproof sleeve as a sheath pipe 16 and an iron oxide organic silica gel sleeve layer as a high temperature resistant silica gel sleeve layer 17, and enables the cable to have excellent fire resistance, even if a fire disaster happens, the fire can be prevented from spreading, and the internal pipeline can be still protected to be complete without damage for a long time.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a fire prevention high temperature resistant cable, includes cable core (1), insulating layer (2) and restrictive coating (3), its characterized in that: the cable core (1) comprises a copper conductor core wire (4), a mineral insulating layer (5), a copper sheath (6) and an anti-corrosion protective outer sheath (7), the copper conductor core wire (4), the mineral insulating layer (5), the copper sheath (6) and the anti-corrosion protective outer sheath (7) are arranged in sequence from inside to outside, the insulating layer (2) comprises an insulating shielding layer (8), a semi-conductive water-blocking tape layer (9), a copper wire shielding layer (10) and a water-blocking tape (11) which are arranged from inside to outside in sequence, the insulation shielding layer (8) is coated on the outer side surface of the anticorrosion protective outer sheath (7), the sheath layer (3) comprises a metal sheath layer (12), an aluminum-plastic composite belt layer (13), an anticorrosive layer (14), an outer sheath layer (15), a sheath pipe (16) and a high-temperature-resistant silica gel sheath layer (17) which are arranged from inside to outside in sequence, the metal sheath layer (12) is coated on the outer side surface of the water blocking tape (11).

2. The fireproof high-temperature-resistant cable according to claim 1, wherein: the mineral insulating layer (5) is an inorganic magnesium oxide powder insulating layer.

3. The fireproof high-temperature-resistant cable according to claim 1, wherein: the anticorrosion protective outer sheath (7) is a polyimide film layer.

4. The fireproof high-temperature-resistant cable according to claim 1, wherein: the outer sheath layer (15) is a polyethylene outer sheath layer containing a semi-conducting layer.

5. The fireproof high-temperature-resistant cable according to claim 1, wherein: the protective sleeve (16) is an alkali-free glass fiber fireproof sleeve.

6. The fireproof high-temperature-resistant cable according to claim 1, wherein: the high-temperature-resistant silica gel sleeve layer (17) is an iron oxide organic silica gel sleeve layer.