CN212461217U - Novel NG-A (BTLY) mineral insulated cable - Google Patents

Abstract

The utility model discloses a novel NG-A (BTLY) mineral insulated cable, including the main part sinle silk, and locate the outside low smoke and zero halogen fire-retardant polyolefin oversheath of main part sinle silk, the main part sinle silk mainly comprises glass silk area parcel layer, the mineral substance separates oxygen filling layer and conductive core, conductive core is by the outer insulating layer, mica tape parcel layer and copper conductor are constituteed, by interior to exterior being equipped with the chain armor of aluminum alloy in proper order between main part sinle silk and the fire-retardant polyolefin oversheath of low smoke and zero halogen, the crosslinked isolation layer, the mineral substance flame retardant coating, corrosion-resistant layer and PE waterproof layer, the outside of crosslinked isolation layer is equipped with a plurality of arc. The utility model discloses the fire behavior that makes this cable such as the glass silk ribbon parcel layer that sets up, mica tape parcel layer, the chain armor of aluminum alloy, mineral substance flame retardant coating improves greatly, increases the time that the cable lasts the work under high temperature environment, is favorable to the use of cable, a plurality of archs of setting, and the arch is the strip, is favorable to improving the bulk strength of this cable.

Description

Novel NG-A (BTLY) mineral insulated cable

Technical Field

The utility model relates to a wire and cable technical field specifically is a novel NG-A (BTLY) mineral insulated cable.

Background

The NG-A (BTLY) mineral insulated cable is a brand new generation mineral insulated cable with unlimited production length and without an intermediate joint, has the advantages of fire resistance, insulation, water resistance, rat and insect prevention, corrosion resistance and the like, and is widely applied to various fields of life and production. The NG-A (BTLY) mineral insulated cable on the existing market is insufficient in fireproof performance, short in continuous working time of the cable in a high-temperature environment, not beneficial to use of the cable, low in overall strength, prone to deformation due to external force impact and capable of reducing the service life of the cable. Therefore, it is necessary to provide a new solution to this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel NG-A (BTLY) mineral insulated cable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel NG-A (BTLY) mineral insulated cable, includes the main part sinle silk to and locate the outside fire-retardant polyolefin oversheath of low smoke and zero halogen of main part sinle silk, the main part sinle silk mainly comprises glass silk area parcel layer, mineral substance oxygen isolation filling layer and conductive core, conductive core comprises outer insulating layer, mica tape parcel layer and copper conductor, be equipped with the chain armor of aluminum alloy, crosslinked isolation layer, mineral substance flame retardant coating, corrosion resistant layer and PE waterproof layer from inside to outside in proper order between main part sinle silk and the fire-retardant polyolefin oversheath of low smoke and zero halogen, the outside of crosslinked isolation layer is equipped with a plurality of archs.

Preferably, the outside of low smoke and zero halogen fire-retardant polyolefin oversheath is equipped with antibacterial coating, antibacterial coating adopts compound inorganic antimicrobial high pressure spraying to form, and the antibacterial coating that sets up can improve antibiotic, the oxidation resistance of cable, and compound inorganic antimicrobial has characteristics such as antibiotic effectual, antibiotic time is long, the environmental protection, and the antibacterial coating that adopts high pressure spraying has the degree of consistency good, efficient advantage such as high.

Preferably, the number of the conductive wire cores is 4, so that the current-carrying capacity of the cable is improved.

Preferably, the corrosion-resistant layer is formed by winding carbon fiber cloth, the corrosion-resistant layer can improve the corrosion resistance of the cable and prolong the service life of the cable, and the corrosion-resistant layer wound by the carbon fiber cloth has the advantages of good corrosion resistance, low cost and the like.

Preferably, the protrusion is strip-shaped, and the overall strength of the cable can be enhanced by the protrusion, and the mineral fire-resistant layer can be more stably sleeved on the other hand.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model greatly improves the fire resistance of the novel NG-A (BTLY) mineral insulated cable by arranging the low-smoke halogen-free flame-retardant polyolefin outer sheath, the glass ribbon wrapping layer, the mineral substance oxygen-insulating filling layer, the outer insulating layer, the mica ribbon wrapping layer, the aluminum alloy interlocking armor layer and the mineral substance fire-resistant layer, increases the continuous working time of the cable in a high-temperature environment, is beneficial to the use of the cable, the cross-linked isolation layer, the corrosion-resistant layer, the PE waterproof layer and the antibacterial coating are arranged, so that the performances of oxygen isolation, corrosion resistance, water resistance, antibiosis and antioxidation and the like of the novel NG-A (BTLY) mineral insulated cable can be improved, meanwhile, the plurality of protrusions are arranged outside the cross-linking isolation layer and are in strip shapes, so that the overall strength of the novel NG-A (BTLY) mineral insulated cable is improved, deformation is not prone to occurring when the novel NG-A (BTLY) mineral insulated cable is impacted by external force, and the service life of the cable is prolonged.

Drawings

Fig. 1 is a schematic cross-sectional structure of the present invention.

Fig. 2 is the schematic diagram of the cross-sectional structure of the conductive wire core of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the cross-linked isolation layer of the present invention.

In the figure: 1. A main body wire core; 2. a low-smoke halogen-free flame-retardant polyolefin outer sheath; 3. a glass ribbon wrapping layer; 4. a mineral oxygen-barrier filling layer; 5. a conductive wire core; 6. an outer insulating layer; 7. a mica tape wrapping layer; 8. a copper conductor; 9. an aluminum alloy interlocking armor layer; 10. a cross-linked spacer layer; 11. a mineral refractory layer; 12. a corrosion-resistant layer; 13. a PE waterproof layer; 14. a protrusion; 15. and (4) an antibacterial coating.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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.

Please refer to fig. 1-3, the utility model provides a pair of novel NG-a (btly) mineral insulated cable, including main body sinle silk 1 to and locate the outside low smoke and zero halogen flame retardant polyolefin oversheath 2 of main body sinle silk 1, main body sinle silk 1 mainly comprises glass ribbon parcel layer 3, mineral substance oxygen isolation filling layer 4 and conductive core 5, conductive core 5 comprises outer insulating layer 6, mica tape parcel layer 7 and copper conductor 8, be equipped with the chain armor of aluminum alloy 9, crosslinked isolation layer 10, mineral substance flame retardant coating 11, corrosion resistant layer 12 and PE waterproof layer 13 from inside to outside in proper order between main body sinle silk 1 and the low smoke and zero halogen flame retardant polyolefin oversheath 2 of setting low smoke and zero halogen flame retardant polyolefin oversheath 2, glass ribbon parcel layer 3, mineral substance oxygen isolation filling layer 4, outer insulating layer 6, tape parcel layer 7, chain armor layer 9 and mineral substance aluminum alloy flame retardant coating 11 make this novel NG-a (btly) mineral insulated electric cable The fire behavior of cable improves greatly, increases the time that the cable lasts work under high temperature environment, is favorable to the use of cable, and the crosslinked isolation layer 10, corrosion-resistant layer 12, PE waterproof layer 13 and the antibacterial coating 15 that set up are favorable to improving this novel NG-A (BTLY) mineral insulated cable separate oxygen, corrosion-resistant, waterproof, antibiotic anti-oxidant performance etc. the outside of crosslinked isolation layer 10 is equipped with a plurality of archs 14, and the arch 14 of setting is the strip, is favorable to improving this novel NG-A (BTLY) mineral insulated cable's bulk strength, is difficult for taking place deformation when receiving external force and assaults, improves the service life of cable.

As the utility model discloses an optimal scheme, the outside of low smoke and zero halogen flame retardant polyolefin oversheath 2 is equipped with antibacterial coating 15, antibacterial coating 15 adopts compound inorganic antimicrobial high pressure spraying to form, and the antibacterial coating 15 of setting can improve antibiotic, the oxidation resistance of cable, and compound inorganic antimicrobial has characteristics such as antibiotic effectual, antibiotic time is long, the environmental protection, and the antibacterial coating 15 that adopts high pressure spraying has the degree of consistency advantage such as good, efficient.

As the preferred scheme of the utility model, the conductive core sets up 4, improves the current-carrying capacity of cable.

As the utility model discloses an optimal scheme, corrosion-resistant layer 12 forms for the carbon cloth winding, and the corrosion-resistant layer 12 of setting can improve the corrosion resisting property and the life of cable, and the carbon cloth winding is made corrosion-resistant layer 12 and has advantages such as corrosion resisting property is good, with low costs.

As the utility model discloses a preferred scheme, arch 14 is the strip, and the arch 14 of setting can strengthen the bulk strength of cable on the one hand, and on the other hand can make more stable that 11 covers of mineral substance flame retardant coating establish.

The utility model discloses when specifically making, get copper conductor 8 earlier, wrap up mica tape parcel layer 7 earlier with copper conductor 8's outside, wrap up outer insulating layer 6 again, accomplish the preparation of conductive core 5, then 4 conductive core 5 is near arranging, and set up mineral substance oxygen separation filling layer 4 in conductive core 5's outside, and outside is wrapped up with glass silk tape parcel layer 6, obtain main part sinle silk 1, main part sinle silk 1's outside sets gradually the chain armor of aluminum alloy 9 again, cross-linking isolation layer 10, mineral substance flame retardant coating 11, corrosion resistant layer 12, PE waterproof layer 13 and low smoke and zero halogen fire-retardant polyolefin oversheath 2, and the oversheath is at low smoke and zero halogen fire-retardant polyolefin 2's outside high pressure spraying antibacterial coating 15, obtain this novel NG-A (BTLY) mineral insulated cable at last.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. 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 (5)

1. The utility model provides a novel NG-A (BTLY) mineral insulated cable, includes main part sinle silk (1) to and locate outside low smoke and zero halogen flame retardant polyolefin oversheath (2) of main part sinle silk (1), its characterized in that: main part sinle silk (1) mainly separates oxygen filling layer (4) and conductive core (5) by glass silk ribbon parcel layer (3), mineral substance and constitutes, conductive core (5) comprise outer insulating layer (6), mica tape parcel layer (7) and copper conductor (8), by interior to exterior chain armor (9), crosslinked isolation layer (10), mineral substance flame retardant coating (11), corrosion-resistant layer (12) and PE waterproof layer (13) of aluminum alloy that are equipped with in proper order between main part sinle silk (1) and low smoke and zero halogen fire-retardant polyolefin oversheath (2), the outside of crosslinked isolation layer (10) is equipped with a plurality of archs (14).

2. The new NG-a (btly) mineral insulated cable according to claim 1, characterized in that: the low-smoke halogen-free flame-retardant polyolefin outer sheath (2) is provided with an antibacterial coating (15) on the outside, and the antibacterial coating (15) is formed by high-pressure spraying of a compound inorganic antibacterial agent.

3. The new NG-a (btly) mineral insulated cable according to claim 1, characterized in that: the number of the conductive wire cores (5) is 4.

4. The new NG-a (btly) mineral insulated cable according to claim 1, characterized in that: the corrosion-resistant layer (12) is formed by winding carbon fiber cloth.

5. The new NG-a (btly) mineral insulated cable according to claim 1, characterized in that: the bulges (14) are strip-shaped.

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