CN217086244U - Mobile communication network cable - Google Patents

Abstract

The utility model discloses a removal type communication network cable adopts the thin conductor structure of smart hank, and the minor pitch pair twist structure, minor pitch stranding increases the inner sheath of one deck extrusion formula after accomplishing, is convenient for fix the sinle silk of inside, weaves the shielding. The cable solves the installation problem of the cable in the moving modes of bending, twisting, drag chain and the like during laying, and has the advantages of good stability, convenient maintenance, safety, reliability and long service life.

Description

Mobile communication network cable

Technical Field

The utility model belongs to the cable field, more specifically relates to a removal type communication network cable.

Background

Communication network cables are now commonly used in society, and the following problems exist in the use environment of a specific sport form:

1. the traditional communication network cable sheath is designed to be a hollow tube type, and the inner wire core is easy to move in the using process, so that the transmission signal is distorted, or the signal is lost.

2. The traditional communication network cable conductor is usually designed into a single solid copper conductor, has hard texture, is not easy to bend when meeting the conditions of corners and the like in the laying process, or is easy to break when being bent seriously;

3. when a traditional communication network cable is laid on a carrier with a motion function, such as mechanical equipment, a robot and the like, the conditions of conductor fracture, sheath fracture and the like easily occur, the cable is frequently replaced, and the cost is increased;

4. the traditional communication network cable has fixed laying environment and no service life requirement, thereby causing certain difficulty for later maintenance and being incapable of predicting an approximate maintenance period in advance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, provide a removal type communication network cable, this kind of cable has been solved and has been laid and run into the installation problem under motion forms such as buckle, twist reverse, tow chain, and its stability is good, the dimension is protected convenience, safe and reliable, long service life.

In order to achieve the purpose, the utility model adopts the following technical measures:

the utility model provides a mobile communication network cable, is including being four pairs of twisted pair group and extrusion formula inner sheath of centrosymmetry, the embedding twisted pair group in the extrusion formula inner sheath, extrusion formula inner sheath and twisted pair group cooperation are fixed as an organic whole.

According to the further technical scheme, each pair of twisted wire groups is formed by twisting two insulated wire cores, each insulated wire core comprises a plurality of conducting wires, the conducting wires are tightly pressed and twisted with each other, and the insulating layers are wrapped on the outer sides of the conducting wires.

According to the technical scheme, the extrusion type inner sheath is wrapped by the outer sheath, the woven shielding layer and the aluminum-plastic composite belt are arranged between the inner sheath and the outer sheath, the aluminum-plastic composite belt is arranged close to the inner sheath, and the woven shielding layer is arranged close to the outer sheath.

According to a further technical scheme, the number of the conducting wires is 19, and the diameter of each conducting wire is 0.12 mm.

In a further technical scheme, the range of the twisting distance between the conducting wires is 5mm-7 mm.

According to a further technical scheme, the twist pitch between the insulated wire cores of each pair of twisted wire groups is 8-10 times of the twist outer diameter of the insulated wire cores;

or

The cabling pitch between the twisted wire groups distributed on the same axis is 10-15 times of the integral cabling outer diameter of the insulated wire core.

According to a further technical scheme, the braided shielding layer is made of tinned copper wires.

According to a further technical scheme, the diameter of the tinned copper wire is 0.1 mm.

In a further technical scheme, the weaving angle of the braided shielding layer adopts 30 ⁰ -60 ⁰ 。

In a further technical scheme, the outer sheath is made of PUR material.

The utility model discloses compared with prior art have following advantage:

(1) the utility model discloses an adopt fine conductor structure of accurate hank, little pitch pair twist structure, little pitch stranding increases the inner sheath of one deck extrusion formula after accomplishing, is convenient for fix inside sinle silk, weaves the shielding, and the PUR sheath is extruded, lays the use of occasion (buckle repeatedly, twist reverse, tow chain motion) with the communication network cable in the motion and becomes reality, and traditional communication network cable can not lay the use under the occasion at the motion.

(2) The utility model discloses a change to cable structure for the life of cable reaches more than 500 ten thousand times under specific occasion, and experimental data explains that the signal does not lose when this structure can guarantee to move, the crosstalk not, and the signal attenuation degree is prolonged, and has prolonged the live time.

(3) The utility model discloses special fields and trades such as industrial automation equipment and robot can be applied to the modified cable, have not only guaranteed information transfer's accuracy, make the time major extension of maintaining moreover, have reduced artifical, material cost's input.

(4) The utility model discloses modified cable coverage is wider, not only adapts to the requirement under the high frequency environment, also can adapt to the requirement under the low frequency environment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of the internal structure of a conventional communication network cable;

fig. 2 is a schematic diagram of the cable structure of the mobile communication network of the present invention;

fig. 3 is a schematic distance diagram of a twisted pair node between electric wires according to the present invention.

In the figure: 1-solid conductor, 2-cable sheath, 3-twisted pair group, 301-insulated wire core, 302-lead, 303-insulated layer, 4-extrusion inner sheath, 5-outer sheath, 6-braided shielding layer and 7-aluminum-plastic composite tape.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As described in the background art, in the actual use process of the communication network cable, the communication network cable may encounter the motion forms like bending, twisting, drag chain, etc., and in order to solve the above technical problems, the present application provides a mobile communication network cable.

The structure of the present invention will be further described with reference to fig. 1-2.

Fig. 1 is a schematic structural view of a conventional mobile communication cable, as shown in fig. 1, an insulated conductor adopted by a conventional communication network cable is a single solid conductor 1, which is hard in texture and not easy to bend when meeting conditions such as corners and the like in a laying process, or easy to cause conductor fracture when being bent seriously; meanwhile, the traditional communication network cable sheath is an empty pipe, and the cable sheath 2 designed in an empty pipe mode easily causes the internal wire core to move in the using process, so that transmission signals are distorted, or signals are lost.

As shown in fig. 2, for the utility model discloses the structural schematic diagram of modified mobile communication network cable improves, provides a mobile communication network cable, includes: the extrusion type double-twisted-wire set comprises four pairs of double-twisted-wire sets 3 and an extrusion type inner sheath 4 which are centrosymmetric, the double-twisted-wire sets 3 are embedded in the extrusion type inner sheath, and the extrusion type inner sheath and the double-twisted-wire sets 3 are matched and fixed into a whole.

The structural design advantage of inner sheath lies in, increases the extrusion inner sheath, and be in the same place with the firm combination of stranding semi-manufactured goods, makes the whole atress of cable itself under the motion laying occasion, has promoted the holding capacity, and the cable of an wholeness is longer under the motion laying occasion simultaneously, can not make the whole nonconforming of appearance of cable because a certain sinle silk goes wrong when using. The traditional communication network cable core and the sheath are in a separated state, and only the core is stressed when stressed, so that the traditional communication network cable core is more easily broken;

the utility model discloses give up traditional empty pipe formula design, carried out firm fixed to inside sinle silk through above-mentioned technique, solved and caused inside sinle silk drunkenness easily in the use, made the transmission signal distortion, or caused the problem that the signal lost.

In one or more embodiments, each twisted pair group 3 is formed by twisting two insulated wire cores 301, each insulated wire core includes a plurality of wires 302, the wires 302 and the wires 302 are tightly twisted together in layers, and the outer side of the insulated wire cores is covered by an insulating layer 303.

As one or more embodiments, the extruded inner sheath 4 is wrapped by the outer sheath 5, a braided shielding layer 6 and an aluminum-plastic composite tape 7 are arranged between the inner sheath 4 and the outer sheath 5, the aluminum-plastic composite tape 7 is arranged close to the inner sheath 4, and the braided shielding layer 6 is arranged close to the outer sheath 5.

As one or more embodiments, the number of the wires 302 is 19, the diameter of each wire is 0.12mm, the diameter of the traditional solid conductor is single, the diameter is 0.51mm, the range of the lay length between the wires is 5mm-7mm, under the same conductor requirement standard of 24AWG, compared with the traditional cable structure, the cable structure of the utility model is more flexible, and can be suitable for various laying occasions with small bending radius.

The concept of twist pitch is shown in the segment L of fig. 3, which shows the distance between twisted nodes of the wires, and reflects the degree of tightness of the intertwining.

As one or more embodiments, the twist pitch between the insulated wire cores of each pair of twisted wire groups 3 is 8-10 times of the twist outer diameter of the insulated wire cores;

according to the technical scheme, the twisted pair wire cores with smaller pitch-diameter ratio are adopted, the small pitch can achieve the effect of increasing the tensile resistance, meanwhile, the small pitch can also keep flexibility, the twisted pair wire cores are not easy to disperse in a bending occasion, and the risks of signal crosstalk and loss are prevented;

the pitch refers to the distance of the single wire advancing along the axis direction when the single wire is spirally wound around the center for one circle during twisting, and the pitch-diameter ratio refers to the ratio of the pitch to the outer diameter of the stranded wire; the size of the pitch diameter ratio is related to the tightness of the stranded wire, the weight of the stranded wire and the resistance of the stranded wire.

In one or more embodiments, the cabling pitch between the twisted wire groups distributed on the same axis is 10-15 times of the overall cabling outer diameter of the insulated wire core.

By adopting a cabling mode with smaller pitch, the cable can be kept compact integrally, the tensile resistance is increased, and the flexibility is stronger in the moving laying occasion.

In one or more embodiments, the braided shield is made of tinned copper wire, the diameter of the tinned copper wire is 0.1mm, and the braiding angle is 30 degrees ⁰ -60 ⁰ 。

The design has the advantages that the aluminum-plastic composite belt is matched with the cable, so that the whole cable is softer, the aluminum-plastic composite belt can prevent high-frequency-band interference, the braided shield can prevent low-frequency-band interference, and the cable can be better protected from interference;

the material of oversheath adopts the PUR material, and its tensile strength, elongation at break, performance index such as wear resistance that this material used than the PVC material that traditional communication network cable used are better, has increased the tensile strength of product itself on the one hand, and its toughness also promotes greatly, and on the other hand because material toughness is high, has increased the radius of variation under the cable natural condition, is favorable to protecting the cable under the motion laying occasion to receive external force injury.

Although the specific embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications or variations can be made by those skilled in the art without inventive efforts on the basis of the technical solutions of the present invention.

Claims (9)

1. A mobile communication network cable is characterized by comprising four pairs of twisted wire sets and an extrusion type inner sheath, wherein the four pairs of twisted wire sets are centrosymmetric, the twisted wire sets are embedded in the extrusion type inner sheath, and the extrusion type inner sheath and the twisted wire sets are matched and fixed into a whole;

the extrusion type inner sheath outer layer wraps the outer sheath, a woven shielding layer and an aluminum-plastic composite belt are arranged between the inner sheath and the outer sheath, the aluminum-plastic composite belt is close to the inner sheath, and the woven shielding layer is close to the outer sheath.

2. A mobile communication network cable according to claim 1, wherein each twisted pair group is formed by twisting two insulated wire cores, each insulated wire core includes a plurality of wires, the wires are tightly twisted with each other, and an insulating layer is covered on the outside.

3. A mobile communications network cable as in claim 2 wherein said conductors have a number of 19 and each conductor has a diameter of 0.12 mm.

4. A mobile communications network cable as in claim 2 wherein the wires and the lay length between the wires is in the range of 5mm to 7 mm.

5. A mobile communication network cable according to claim 2, wherein the twist pitch between the insulated cores of each twisted pair group is 8-10 times the twist outer diameter of the insulated cores;

or

The cabling pitch between the twisted wire groups distributed on the same axis is 10-15 times of the integral cabling outer diameter of the insulated wire core.

6. A mobile communications network cable as in claim 1 wherein said braided shield is tinned copper wire.

7. A mobile communications network cable as in claim 6 wherein said tinned copper wire has a diameter of 0.1 mm.

8. A mobile communications network cable as in claim 1 wherein said braided shield is braided at an angle of 30 degrees ⁰ -60 ⁰ 。

9. A mobile communications network cable as in claim 1 wherein said outer sheath is a PUR material.

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