Ultra-light low-loss stable-phase coaxial cable

Abstract

The utility model discloses an ultra-light low-loss stable-phase coaxial cable, which belongs to the technical field of cables and comprises a protective sleeve, the inner wall of the protective sleeve is fixedly connected with an outer conductor, the inner wall of the outer conductor is fixedly connected with a dielectric layer, and the inner wall of the dielectric layer is fixedly connected with an inner conductor. The inner conductor comprises a plurality of silver-plated copper-clad aluminum magnesium alloy single wires, the protective sleeve comprises a wear-resistant layer, an anti-corrosion layer, a filling layer, a shielding layer and an insulating layer, and through cooperation of the outer conductor, the dielectric layer, the inner conductor and the silver-plated copper-clad aluminum magnesium alloy single wires, the cable has the advantages of being light in weight, low in loss and good in phase stability. Through the arrangement of the wear-resistant layer, the anti-corrosion layer, the filling layer, the reinforcing rope, the shielding layer and the insulating layer, the cable not only has the characteristics of corrosion resistance and friction resistance, but also has the advantages of stretching resistance and stable transmission at the same time, so that the service life of the cable is longer.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field, concretely is superlight low loss stable same axis cable. BACKGROUND

[0002] Coaxial cable is a kind of wire and signal transmission line, generally is caused by four layers of material: the innermost is a conductive copper wire, the outside of line has a plastic insulator, dielectric is used to surround, the insulator is outside a thin mesh conductive body generally for copper or alloy, then the conductive body is the outermost insulating material as the outer skin, coaxial cable can be used for the transmission of analog signals and digital signals, suitable for a variety of applications, the most important of which are cable television transmission, long distance telephone transmission, short distance connection between computer systems and local area network etc., coaxial cable as a means of transmitting television signals to thousands of households develops rapidly, this is cable television, a cable television system can load dozens or even hundreds of TV channels, its transmission range can reach tens of kilometers, for a long time, coaxial cable is an important part of long distance telephone network.Today, it is facing increasingly fierce competition from optical fiber, ground microwave and satellite, in recent years, the requirement of weapon equipment light weight in the field of aviation and aerospace is higher and higher, low loss stable same axis cable is widely used as transmission feeder in phased array radar, airborne radar, satellite communication electronic system.

[0003] The inner and outer conductors of low loss stable same axis cable of traditional process adopt silver-plated copper material, the material is heavy in density, high in price, not only increases the mass of cable, but also increases the cost of cable material, therefore, the technical personnel in the art provides superlight low loss stable same axis cable to solve the problems in the above background technology. UTILITY MODEL CONTENT

[0004] The utility model aims at providing superlight low loss stable same axis cable to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] Superlight low loss stable same axis cable, including protective sleeve, the inner wall of protective sleeve is fixedly connected with outer conductor, the inner wall of outer conductor is fixedly connected with dielectric layer, the inner wall of dielectric layer is fixedly connected with inner conductor, and the inner conductor includes a plurality of silver-plated copper clad aluminum magnesium alloy single wires, and the protective sleeve includes wear-resistant layer, corrosion-resistant layer, filling layer, shielding layer and insulating layer.

[0007] As a further scheme of the utility model: the wear-resistant layer is polyvinyl chloride material, and the corrosion-resistant layer is polyethylene material.

[0008] As a further scheme of the utility model: the filling layer is sponge, the shielding layer is tinned copper wire made by weaving.

[0009] As a further scheme of the utility model: the inside of the filling layer is equipped with multiple reinforcing ropes, each reinforcing rope is made by nylon silk weaving.

[0010] As a further scheme of the utility model: the insulating layer is rubber material, the inner conductor is multiple silver-plated copper-clad aluminum magnesium alloy single wires made by stranding.

[0011] As a further scheme of the utility model: the outer conductor is seamless copper-clad aluminum pipe, the dielectric layer is made by low-density polytetrafluoroethylene extrusion.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The ultra-light low-loss stable coaxial cable, through the cooperation of the outer conductor, the dielectric layer, the inner conductor and the silver-plated copper-clad aluminum magnesium alloy single wire, can make the cable have the characteristics of light weight, low loss and good phase stability, thereby greatly increasing the application range of the cable, the setting of the wear-resistant layer, the corrosion-resistant layer, the filling layer, the reinforcing rope, the shielding layer and the insulating layer not only can make the cable have the characteristics of corrosion resistance and friction resistance, but also can make the cable have the advantages of tensile resistance and stable transmission at the same time, thereby making the service life of the cable longer. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the stereogram structure schematic diagram of ultra-light low-loss stable coaxial cable;

[0015] Fig. 2 It is the front view of inner conductor in ultra-light low-loss stable coaxial cable;

[0016] Fig. 3 It is the front view of protective sleeve in ultra-light low-loss stable coaxial cable;

[0017] Fig. 4 It is the stereogram structure schematic diagram of inner conductor in ultra-light low-loss stable coaxial cable.

[0018] In the drawing: 1, protective sleeve;101, wear-resistant layer;102, corrosion-resistant layer;103, filling layer;104, reinforcing rope;105, shielding layer;106, insulating layer;2, outer conductor;3, dielectric layer;4, inner conductor;401, silver-plated copper-clad aluminum magnesium alloy single wire. DETAILED DESCRIPTION

[0019] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0020] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0021] Please refer to Figs. 1-4 In the utility model embodiment, the ultra-light low-loss stable coaxial cable, including the protective sleeve 1, the inner wall of the protective sleeve 1 is fixedly connected with the outer conductor 2, the inner wall of the outer conductor 2 is fixedly connected with the dielectric layer 3, the inner wall of the dielectric layer 3 is fixedly connected with the inner conductor 4, the inner conductor 4 includes a plurality of silver-plated copper-clad aluminum-magnesium alloy single wires 401, the protective sleeve 1 includes wear-resistant layer 101, corrosion-resistant layer 102, filling layer 103, shielding layer 105 and insulating layer 106, can make the cable have the characteristics of light weight, low loss and good phase stability, thereby solve the problem that the inner and outer conductive bodies of the low-loss stable coaxial cable of traditional process adopt silver-plated copper material, the material density is large, and the price is high, not only increase the quality of cable, more increase the cost of cable material.

[0022] The wear-resistant layer 101 is made of polyvinyl chloride, the corrosion-resistant layer 102 is made of polyethylene, the filling layer 103 is a sponge body, the shielding layer 105 is made of tinned copper wire by weaving, a plurality of reinforcing ropes 104 are arranged in the filling layer 103, each reinforcing rope 104 is woven by nylon wire, which can not only make the weight of the cable smaller, but also make the cable have the characteristics of tensile resistance.

[0023] The insulating layer 106 is made of rubber, the inner conductor 4 is made of a plurality of silver-plated copper-clad aluminum magnesium alloy single wires 401 twisted together, the outer conductor 2 is a seamless copper-clad aluminum pipe, and the dielectric layer 3 is made of low-density polytetrafluoroethylene extrusion, which can not only make the transmission loss of the cable lower, but also make the phase of the cable more stable during transmission.

[0024] The working principle of the utility model is: in the process of cable work, the setting of outer conductor 2, dielectric layer 3, inner conductor 4 and silver-plated copper-clad aluminum magnesium alloy single wire 401 can prevent the weight of the cable from being too heavy, the transmission loss from being large and the phase from being unstable during transmission, the wear-resistant layer 101 and the corrosion-resistant layer 102 can prevent the cable from being damaged by friction and corrosion, the setting of the reinforcing rope 104 can prevent the cable from being broken when subjected to external tension, and the shielding layer 105 can block external interference signals.

[0025] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.

[0026] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. Ultra-lightweight low-loss stable coaxial cable comprising a protective jacket (1), characterized in that, The inner wall of the protective sleeve (1) is fixedly connected with an outer conductor (2), the inner wall of the outer conductor (2) is fixedly connected with a dielectric layer (3), the inner wall of the dielectric layer (3) is fixedly connected with an inner conductor (4), the inner conductor (4) comprises a plurality of silver-plated copper-clad aluminum-magnesium alloy single wires (401), and the protective sleeve (1) comprises a wear-resistant layer (101), a corrosion-resistant layer (102), a filling layer (103), a shielding layer (105) and an insulating layer (106).

2. The ultra-lightweight low-loss stable coaxial cable according to claim 1, characterized by, The wear-resistant layer (101) is made of polyvinyl chloride, and the corrosion-resistant layer (102) is made of polyethylene.

3. The ultra-lightweight low-loss stable coaxial cable of claim 1, wherein, The filling layer (103) is a sponge body, and the shielding layer (105) is made of tinned copper wire.

4. The ultra-lightweight low-loss stable coaxial cable of claim 1, wherein, The inside of the filling layer (103) is provided with a plurality of reinforcing ropes (104), and each reinforcing rope (104) is knitted by nylon wire.

5. The ultra-lightweight low-loss stable coaxial cable of claim 1, wherein, The insulating layer (106) is made of rubber, and the inner conductor (4) is made of a plurality of silver-plated copper-clad aluminum-magnesium alloy single wires (401) twisted together.

6. The ultra-lightweight low-loss stable coaxial cable of claim 1, wherein, The outer conductor (2) is a seamless copper-clad aluminum pipe, and the dielectric layer (3) is extruded by low-density polytetrafluoroethylene.

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