CN211427903U - 5G special communication cable with good flame retardance - Google Patents

Abstract

The utility model discloses a 5G special communication cable that fire resistance is good, including the cable core, the outside cover of cable core is equipped with the inner sheath, the surface cover of inner sheath is equipped with the insulating layer, the outside cover of insulating layer is equipped with the shielding layer, it has the fire prevention filling layer to fill between the inside of shielding layer and the insulating layer, the fixed cover in one side that the fire prevention filling layer was kept away from to the shielding layer is equipped with fire-retardant layer, the fixed cover in one side that the shielding layer was kept away from to fire-retardant layer is equipped with the wearing layer. The utility model discloses a cable core, inner sheath, insulating layer, shielding layer, fire prevention filling layer, fire-retardant layer, wearing layer, fire fibrous layer, mica tape layer, polyolefin layer and polyethylene layer and cooperate, possess the shielding function, the fire resistance is good, advantage that the wearability is good has solved current 5G cable function singleness, does not have the shielding function, and the fire resistance is poor, burns easily when meeting high temperature, and the wearability is poor simultaneously, has reduced 5G cable life's problem.

Description

5G special communication cable with good flame retardance

Technical Field

The utility model relates to a 5G communication technology field specifically is a 5G special communication cable that fire resistance is good.

Background

5G communication the fifth generation mobile communication technology is the latest generation cellular mobile communication technology, also an extension behind 4G, 3G and 2G systems, the performance goal of 5G is high data rate, reduced latency, energy savings, reduced cost, increased system capacity and large-scale device connectivity, and the first phase of the 5G specification in Release-15 is to accommodate early commercial deployments.

The cable is made by one or more insulated conductors and outsourcing insulating protective layer each other, with electric power or information transmission to the wire of another department from one, and current 5G cable function is single, does not have the shielding function, and the fire resistance is poor, and easy burning when meeting high temperature, and wear resistance is poor simultaneously, has reduced the life of 5G cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a 5G special communication cable that fire resistance is good possesses the shielding function, and the fire resistance is good, and the advantage that the wearability is good has solved current 5G cable function singleness, does not have the shielding function, and the fire resistance is poor, burns easily when meeting high temperature, and the while wearability is poor, has reduced 5G cable life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a 5G private communication cable that fire resistance is good, includes the cable core, the outside cover of cable core is equipped with the inner sheath, the surface cover of inner sheath is equipped with the insulating layer, the outside cover of insulating layer is equipped with the shielding layer, it has the fire prevention filling layer to fill between the inside of shielding layer and the insulating layer, the fixed cover in one side that the fire prevention filling layer was kept away from to the shielding layer is equipped with fire-retardant layer, the fixed cover in one side that the shielding layer was kept away from to fire-retardant layer is equipped.

Preferably, the flame-retardant layer comprises a flame-retardant fiber layer, the outer surface of the flame-retardant fiber layer is fixedly connected with the inner wall of the wear-resistant layer, the inner wall of the flame-retardant fiber layer is fixedly connected with a mica tape layer, the flame-retardant fiber layer is made of a high-performance flame-retardant fiber material, and the mica tape layer is made of a fire-resistant high-quality mica tape.

Preferably, the wear-resistant layer comprises a polyolefin layer, the inner wall of the polyolefin layer is fixedly connected with a tri-polyethylene layer, and the inner wall of the tri-polyethylene layer is fixedly connected with the outer surface of the flame-retardant layer.

Preferably, the inner sheath is made of polyethylene, and the insulating layer is made of polyvinyl chloride.

Preferably, the fireproof filling layer is made of a fireproof water-release non-base filler, and the shielding layer is made of a cross-linking type semi-conductive shielding material.

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

1. the utility model discloses a cable core, inner sheath, insulating layer, shielding layer, fire prevention filling layer, fire-retardant layer, wearing layer, fire fibrous layer, mica tape layer, polyolefin layer and polyethylene layer and cooperate, possess the shielding function, the fire resistance is good, advantage that the wearability is good has solved current 5G cable function singleness, does not have the shielding function, and the fire resistance is poor, burns easily when meeting high temperature, and the wearability is poor simultaneously, has reduced 5G cable life's problem.

2. The utility model discloses an inner sheath adopts polyethylene, polyethylene has good low temperature resistance, chemical stability is good, can be resistant the erosion of most of acid-bases, adopt polyvinyl chloride through the insulating layer, the insulating properties of cable has been improved, adopt fire-resistant water release non-base filler through setting up the fire prevention filling layer, can improve the refractiveness of cable, make the cable difficult to burn, through flame retardant fiber layer and mica tape layer, make the cable have excellent flame retardant property, through setting up polyolefin layer and polyethylene layer, polyolefin and polyethylene trimer have extremely strong wear resistance, make the cable wear-resisting durable, the life of cable has been prolonged.

Drawings

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

FIG. 2 is a schematic sectional view of the connection between the fiber layer and the mica tape layer;

fig. 3 is a schematic sectional view of the polyolefin layer and the polyethylene trimer layer according to the present invention.

In the figure: 1 cable core, 2 inner sheaths, 3 insulating layers, 4 shielding layers, 5 fireproof filling layers, 6 flame-retardant layers, 7 wear-resistant layers, 8 flame-retardant fiber layers, 9 mica tape layers, 10 polyolefin layers and 11 polyethylene layers.

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. 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.

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 be referred 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", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, 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 utility model discloses a cable core 1, inner sheath 2, insulating layer 3, shielding layer 4, fire prevention filling layer 5, fire-retardant layer 6, wearing layer 7, fire fibrous layer 8, mica tape layer 9, polyolefin layer 10 and polyethylene layer 11 part are the parts that general standard spare or field technician know, and its structure and principle all are this technical staff's accessible technical manual learn or learn through conventional experimental method.

Referring to fig. 1-3, a 5G special communication cable with good flame retardancy includes a cable core 1, an inner sheath 2 is sleeved outside the cable core 1, an insulating layer 3 is sleeved outside the inner sheath 2, a shielding layer 4 is sleeved outside the insulating layer 3, a fireproof filling layer 5 is filled between the inside of the shielding layer 4 and the insulating layer 3, a flame retardant layer 6 is fixedly sleeved on one side of the shielding layer 4 away from the fireproof filling layer 5, a wear layer 7 is fixedly sleeved on one side of the flame retardant layer 6 away from the shielding layer 4, the flame retardant layer 6 includes a flame retardant fiber layer 8, the outer surface of the flame retardant fiber layer 8 is fixedly connected with the inner wall of the wear layer 7, a mica tape layer 9 is fixedly connected with the inner wall of the flame retardant fiber layer 8, the flame retardant fiber layer 8 is made of a high-performance flame retardant fiber material, the mica tape layer 9 is made of a high-quality fireproof mica tape, the wear layer 7 includes a polyolefin layer, the inner wall of the polyethylene layer 11 is fixedly connected with the outer surface of the flame-retardant layer 6, the inner sheath 2 is made of polyethylene, the insulating layer 3 is made of polyvinyl chloride, the fireproof filling layer 5 is made of fireproof water-release non-base filler, the shielding layer 4 is made of cross-linking type semi-conductive shielding material, the inner sheath 2 is made of polyethylene which has excellent low-temperature resistance and good chemical stability and can resist most of acid and alkali erosion, the insulating layer 3 is made of polyvinyl chloride, the insulating property of the cable is improved, the fireproof filling layer 5 is made of fireproof water-release non-base filler, the fire resistance of the cable can be improved, the cable is not easy to burn, the flame-retardant fiber layer 8 and the mica tape layer 9 are arranged to enable the cable to have excellent flame-retardant property, and the polyolefin layer 10 and the polyethylene layer 11 are arranged to enable the polyolefin and the tripolyethylene to have extremely strong wear resistance, so that the cable is durable, the utility model provides a long service life of cable, through cable core 1, inner sheath 2, insulating layer 3, shielding layer 4, fire prevention filling layer 5, fire-retardant layer 6, wearing layer 7, fire fibrous layer 8, mica tape layer 9, polyolefin layer 10 and polyethylene layer 11 cooperate, possess the shielding function, the fire resistance is good, advantage that the wearability is good, current 5G cable function singleness has been solved, do not have the shielding function, the fire resistance is poor, easy burning when meeting high temperature, simultaneously the wearability is poor, 5G cable life's problem has been reduced.

When the fireproof cable is used, the inner sheath 2 is made of polyethylene, the polyethylene has excellent low-temperature resistance, the chemical stability is good, most of corrosion of acid and alkali can be resisted, the insulating layer 3 is made of polyvinyl chloride, the insulating property of the cable is improved, the fireproof filling layer 5 is made of fireproof water-releasing non-base filler, the fire resistance of the cable can be improved, the cable is not easy to burn, the flame-retardant fiber layer 8 and the mica tape layer 9 are made of flame-retardant fibers, the cable has excellent flame-retardant property, the polyolefin layer 10 and the polyethylene trimer layer 11 are arranged, the polyolefin and the polyethylene trimer have extremely strong wear resistance, the cable is wear-resistant and durable, and the service life of the cable is prolonged.

In summary, the following steps: this good 5G special communication cable of fire retardance, through cable core 1, inner sheath 2, insulating layer 3, shielding layer 4, fire prevention filling layer 5, fire-retardant layer 6, wearing layer 7, fire fibrous layer 8, mica tape layer 9, polyolefin layer 10 and polyethylene layer 11 cooperate, it is single to have solved current 5G cable function, do not have shielding function, the fire retardance is poor, easy burning when meeting high temperature, and the wearability is poor simultaneously, has reduced 5G cable life's problem.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a special communication cable of 5G that fire resistance is good, includes cable core (1), its characterized in that: the outside cover of cable core (1) is equipped with inner sheath (2), the surface cover of inner sheath (2) is equipped with insulating layer (3), the outside cover of insulating layer (3) is equipped with shielding layer (4), it has fire prevention filling layer (5) to fill between the inside of shielding layer (4) and insulating layer (3), one side fixed cover that shielding layer (4) was kept away from fire prevention filling layer (5) is equipped with fire-retardant layer (6), the fixed cover in one side that shielding layer (4) was kept away from in fire-retardant layer (6) is equipped with wearing layer (7).

2. The special 5G communication cable with good flame retardance according to claim 1, wherein: the flame-retardant coating is characterized in that the flame-retardant layer (6) comprises a flame-retardant fiber layer (8), the outer surface of the flame-retardant fiber layer (8) is fixedly connected with the inner wall of the wear-resistant layer (7), the inner wall of the flame-retardant fiber layer (8) is fixedly connected with a mica tape layer (9), the flame-retardant fiber layer (8) is made of a high-performance flame-retardant fiber material, and the mica tape layer (9) is made of a fire-resistant high-quality mica tape.

3. The special 5G communication cable with good flame retardance according to claim 1, wherein: the wear-resistant layer (7) comprises a polyolefin layer (10), wherein a tri-polyethylene layer (11) is fixedly connected to the inner wall of the polyolefin layer (10), and the inner wall of the tri-polyethylene layer (11) is fixedly connected with the outer surface of the flame-retardant layer (6).

4. The special 5G communication cable with good flame retardance according to claim 1, wherein: the inner sheath (2) is made of polyethylene, and the insulating layer (3) is made of polyvinyl chloride.

5. The special 5G communication cable with good flame retardance according to claim 1, wherein: the fireproof filling layer (5) is made of fireproof water-release non-base filler, and the shielding layer (4) is made of a cross-linking type semi-conductive shielding material.

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