CN210039760U - Novel coaxial cable - Google Patents

Abstract

The utility model discloses a novel coaxial cable, which belongs to the field of coaxial cables. The utility model comprises an insulating layer, an air layer is formed on the axis of the insulating layer, and four copper wires are inserted into the insulating layer. The surface of the insulating layer is sleeved with an aluminum foil layer, the surface of the aluminum foil layer is sleeved with a high temperature resistant layer, the surface of the high temperature resistant layer is sleeved with a rubber layer, and the surface of the rubber layer is sleeved with a water blocking tape The surface of the water blocking tape layer is provided with a braided layer, and the surface of the braided layer is sleeved with a stainless steel metal layer. The utility model can make the inside of the cable dissipate heat through the air layer of the axis of the insulating layer, and can also add wires according to requirements. The ventilation holes make the hot air in the high temperature resistant layer circulate and dissipate heat, and the rubber strip on the rubber layer can keep a certain distance between the high temperature resistant layer and the rubber layer.

Description

New coaxial cable

technical field

The utility model relates to the field of coaxial cables, in particular to a novel coaxial cable.

Background technique

The wire and cable industry is the second largest industry in China after the automobile industry. The product variety satisfaction rate and domestic market share both exceed 90%. Worldwide, the total output value of China's wire and cable has surpassed that of the United States, becoming the world's largest wire and cable industry. The largest wire and cable producer, along with the rapid development of China's wire and cable industry, the number of new companies continues to rise, the overall technical level of the industry has been greatly improved, and China's economy continues to grow rapidly, providing a huge market space for cable products. The strong temptation of the Chinese market has made the world focus on the Chinese market. In the short decades of reform and opening up, the huge production capacity formed by China's cable manufacturing industry has impressed the world. With China's power industry, data communication With the continuous expansion of the scale of industries such as industry, urban rail transit, automobile and shipbuilding, the demand for wires and cables will also grow rapidly, and the wire and cable industry has huge development potential in the future.

The existing coaxial cable has the disadvantage of poor anti-interference performance, in addition, the heat dissipation performance is not good, the water blocking performance and corrosion resistance performance are also poor, and it is not suitable for use in harsh environments. In addition, most of the cable sheaths are made of rubber materials. It is easy to be damaged by snakes, rats and birds. Once damaged, crosstalk will occur in light, and communication will be interrupted in severe cases.

Utility model content

1. technical problem to be solved

In view of the problems existing in the prior art, the purpose of the present utility model is to provide a new type of coaxial cable, which has the advantages of good heat dissipation, corrosion resistance and damage prevention, and solves the shortcomings of poor anti-interference performance. The performance and corrosion resistance are also poor, and it is not suitable for use in harsh environments. In addition, most of the cable sheaths are made of rubber materials, which are easily damaged by snakes, mice and birds. A communication interruption problem occurs.

2. Technical solutions

In order to solve the above problems, the present invention adopts the following technical solutions.

The novel coaxial cable includes an insulating layer, an air layer is formed on the axis of the insulating layer, four copper wires are inserted into the insulating layer, and an aluminum foil layer is sleeved on the surface of the insulating layer. , the surface of the aluminum foil layer is sleeved with a high temperature resistant layer, the surface of the high temperature resistant layer is sleeved with a rubber layer, the surface of the rubber layer is sleeved with a water blocking tape layer, and the surface of the water blocking tape layer is provided with There is a braided layer, and the surface of the braided layer is sleeved with a stainless steel metal layer.

Preferably, the inner wall of the high temperature resistant layer is fixedly connected with heat dissipation rings arranged at equal distances, the surface of the heat dissipation ring is provided with ventilation holes, and the surface of the high temperature resistant layer is also provided with equally spaced ventilation holes.

Preferably, annularly distributed rubber strips are fixedly connected to the inner wall of the rubber layer, one end of the rubber strip away from the rubber layer is fixedly connected to the high temperature resistant layer, and the rubber strip and the rubber layer are both high temperature resistant rubber materials. The number of bars is eight.

Preferably, the braided layer is in the shape of a braided mesh, and the braided layer is an outer conductor material member.

Preferably, the stainless steel metal layer is a stainless steel metal hose material component.

Preferably, the surface of the copper wire is sleeved with a loose tube.

3. beneficial effect

Compared with the prior art, the advantages of the present utility model are:

(1) This solution can dissipate heat inside the cable through the air layer at the axis of the insulating layer, and can also add wires according to requirements. The ventilation holes on the ring allow the hot air in the high temperature resistant layer to circulate and dissipate heat, and the rubber strip on the rubber layer can keep a certain distance between the high temperature resistant layer and the rubber layer, which can accelerate heat dissipation, and the water blocking tape layer prevents external water vapor from entering the cable. In order to avoid accidents, the outermost stainless steel metal layer acts as a protective seat for the inside of the cable, avoiding the damage of snakes and birds, and also preventing the wear and tear caused by the user's dragging during use. Under the premise of effectively ensuring the effective transmission performance of the cable, it reduces costs, has better anti-interference performance, and also has anti-bird pecking performance, easy to use, water resistance, cold resistance and wear resistance. Places with high requirements for waterproofing can not be affected by mechanical force, friction, moisture, corrosion and other factors.

(2) In this new type of coaxial cable, the ventilation holes on the heat dissipation ring allow the hot air in the high temperature resistant layer to circulate and dissipate heat, so as to avoid overheating of the copper wire during use, which will cause problems with excessive internal heat.

(3) In this new type of coaxial cable, the rubber strip on the rubber layer can keep a certain distance between the high temperature resistant layer and the rubber layer, which can accelerate the heat dissipation and avoid overheating of the copper wire during use, which will cause problems with excessive internal heat.

(4) The new type of coaxial cable, stainless steel metal hose material has the advantages of flexibility between pitches, flexibility, repeated bending, good flexibility, corrosion resistance, wear resistance, and high temperature resistance, preventing rodent bites , The internal wire is worn, and has strong bending resistance, tensile strength and lateral pressure resistance.

(5) In this new type of coaxial cable, the loose tube is a tube made of polypropylene or nylon that protects the optical fiber from internal stress and surface side pressure, and protects the copper wire.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the utility model;

FIG. 3 is a schematic structural diagram of the high temperature resistant layer of the present invention.

Description of the labels in the figure:

1. Air layer; 2. Insulation layer; 3. Copper wire; 4. Heat dissipation ring; 5. Ventilation hole; 6. High temperature resistant layer; 7. Rubber layer; 8. Rubber strip; 9. Aluminum foil layer; 10. Resistor Water belt layer; 11. Braided layer; 12. Stainless steel metal layer.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. For example, based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the orientations shown in the accompanying drawings Or the positional relationship is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. . Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "provided with", "sleeve/connection", "connection", etc., should be understood in a broad sense, such as "Connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be two elements Internal connectivity. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Please refer to Figure 1-3, a new type of coaxial cable, including an insulating layer 2, an air layer 1 is formed on the axis of the insulating layer 2, and four copper wires 3 are inserted into the insulating layer 2. The insulating layer 2 An aluminum foil layer 9 is sleeved on the surface of the aluminum foil layer 9, a high temperature resistant layer 6 is sleeved on the surface of the aluminum foil layer 9, a rubber layer 7 is sleeved on the surface of the high temperature resistant layer 6, and a water blocking tape layer 10 is sleeved on the surface of the rubber layer 7. The surface of the water belt layer 10 is provided with a braided layer 11 , the braided layer 11 is in the shape of a braided mesh, and the braided layer 11 is an outer conductor material member, and a stainless steel metal layer 12 is sleeved on the surface of the braided layer 11 .

Further, the inner wall of the high temperature resistant layer 6 is fixedly connected with the heat dissipation rings 4 arranged at equal intervals, the surface of the heat dissipation ring 4 is provided with ventilation holes 5, and the surface of the high temperature resistant layer 6 is also provided with equally spaced distributed ventilation holes 5. The ventilation holes 5 on the 4 allow the hot air in the high temperature resistant layer 6 to circulate and dissipate heat, so as to avoid overheating of the copper wire 3 during use, which will cause problems with excessive internal heat.

Further, the inner wall of the rubber layer 7 is fixedly connected with a ring-shaped rubber strip 8, the end of the rubber strip 8 away from the rubber layer 7 is fixedly connected with the high temperature resistant layer 6, and the rubber strip 8 and the rubber layer 7 are both high temperature resistant rubber materials, The number of rubber strips 8 is eight. The rubber strips 8 on the rubber layer 7 can keep a certain distance between the high temperature resistant layer 6 and the rubber layer 7, which can accelerate heat dissipation and avoid overheating of the copper wire 3 during use, which will cause the internal heat to be too high. problem appear.

Further, the stainless steel metal layer 12 is a stainless steel metal hose material component, and the stainless steel metal hose material has flexibility between pitches, flexibility, repeated bending, good flexibility, corrosion resistance, wear resistance, and high temperature resistance. The advantages are to prevent rodent bites, internal wires from being worn, and have strong bending resistance, tensile strength and lateral pressure resistance.

Further, the surface of the copper wire 3 is sleeved with a loose tube, and the loose tube is a tube made of polypropylene or nylon that protects the optical fiber from the influence of internal stress and surface side pressure, and has a protective effect on the copper wire 3. .

Working principle: The air layer 1 on the axis of the insulating layer 2 can dissipate heat inside the cable, and wires can also be added according to requirements. The aluminum foil layer 9 is light in weight, has low cost and better anti-interference performance The ventilation holes 5 on the heat dissipation ring 4 allow the hot air in the high temperature resistant layer 6 to circulate and dissipate heat, and the rubber strips 8 on the rubber layer 7 can keep a certain distance between the high temperature resistant layer 6 and the rubber layer 7, which can accelerate heat dissipation, and the water blocking belt layer 10. It prevents external water vapor from entering the cable and avoids accidents. The outermost stainless steel metal layer 12 acts as a protective seat for the inside of the cable, avoiding the damage of snakes and birds, and preventing users from dragging when using it. Abrasion and damage, once damaged, the phenomenon of crosstalk will occur in light, and communication will be interrupted in severe cases. On the premise of effectively ensuring the effective transmission performance of the cable, the cost is reduced, and it has better anti-interference performance, and also has anti-bird pecking performance, easy to use , water resistance, cold resistance, wear resistance, in places requiring high waterproof requirements, can not be affected by mechanical force, friction, moisture, corrosion and other factors, solve the shortcomings of poor anti-interference performance, in addition, poor heat dissipation performance, water blocking performance It is not suitable for use in harsh environments. In addition, most of the cable sheaths are made of rubber materials, which are easily damaged by snakes, rats and birds. Communication interruption problem.

The above descriptions are only preferred specific embodiments of the present invention; however, the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its improvement concept, equivalently replaces or changes, should be covered within the protection scope of the present utility model.

Claims (6)

1. Novel coaxial cable, including insulating layer (2), its characterized in that: the air bed (1) has been seted up at the axle center of insulating layer (2), the inside grafting of insulating layer (2) has copper wire (3) that quantity is four, the surface of insulating layer (2) has cup jointed aluminium foil layer (9), the surface on aluminium foil layer (9) has cup jointed high temperature resistant layer (6), the surface on high temperature resistant layer (6) has cup jointed rubber layer (7), the surface on rubber layer (7) has cup jointed water blocking tape layer (10), the surface on water blocking tape layer (10) is provided with weaving layer (11), the surface on weaving layer (11) has cup jointed stainless steel metal layer (12).

2. The novel coaxial cable of claim 1, wherein: the heat dissipation ring (4) that the inner wall fixedly connected with equidistance of high temperature resistant layer (6) was arranged, air vent (5) have been seted up on the surface of heat dissipation ring (4), air vent (5) that the equidistance distributed have also been seted up on the surface of high temperature resistant layer (6).

3. The novel coaxial cable of claim 1, wherein: the rubber layer (7) is fixedly connected with rubber strips (8) distributed in an annular mode on the inner wall, one end, far away from the rubber layer (7), of each rubber strip (8) is fixedly connected with the high-temperature-resistant layer (6), the rubber strips (8) and the rubber layer (7) are made of high-temperature-resistant rubber materials, and the number of the rubber strips (8) is eight.

4. The novel coaxial cable of claim 1, wherein: the braided layer (11) is in a braided net shape, and the braided layer (11) is an outer layer conductor material component.

5. The novel coaxial cable of claim 1, wherein: the stainless steel metal layer (12) is a stainless steel metal hose material component.

6. The novel coaxial cable of claim 1, wherein: and a loose sleeve is sleeved on the surface of the copper lead (3).

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