CN212750421U - Super five-type spiral network cable - Google Patents

Abstract

The utility model discloses a super five-type spiral network cable, which comprises a spirally wound cable, wherein the cable comprises a cable core, an aluminum-plastic composite belt, a tinned wire weaving layer, an alloy wire weaving layer and a sheath layer from inside to outside; the cable core comprises a plurality of transmission lines and a reinforcing core which are twisted together; the number of the transmission lines is not less than 4, the transmission lines are uniformly twisted around the reinforcing core, each transmission line comprises a pair-twisted wire core and a film layer from inside to outside, the two film layers are wound and wrapped on the outer sides of the pair-twisted wire cores in opposite directions, and the pair-twisted wire cores are formed by twisting 2 pair-twisted insulating wires; the insulated wire sequentially comprises a conductor formed by stranding a plurality of fine silver-plated copper wires and an insulating layer extruded outside the conductor from inside to outside. The transmission efficiency of having guaranteed the cable can guarantee its tensile strength and toughness again, has certain elasticity when the cable removes, is difficult for being broken by the stretch during the extension, can not appear beating the circumstances of knoing of turning round during the shrink, has kept data signal's stable transmission, can protect the net twine again and can not appear damaged.

Description

Super five-type spiral network cable

Technical Field

The utility model relates to a communication cable technical field specifically is a super five types of spiral network lines.

Background

At present, the types of the super-five network cables at home and abroad are various, the use scenes are different, but the network cables are used under any scene for data transmission and signal acquisition, the product quality is reliable, the distortion is small during data transmission, and the signals are stable and reliable. However, when some sensors or devices are used, cables of the sensors or devices need to move back and forth, and if the cables are a common straight line, the cables are twisted and knotted on line during movement, and the problems of deformation and even cable breakage exist, so that data transmission is seriously influenced.

Patent CN201920040147.1 provides a spiral armor cable, including optical cable fibre core, spiral armor, restrictive coating, and stranded optical cable fibre core arranges in the cavity pipeline that spiral armor formed, and the restrictive coating is arranged in the outer of spiral armor. The cable of the spiral armor structure has the advantages of light weight, toughness and high strength due to the excellent spiral armor structure, the original tightly-covered layer and the original buffer layer are removed, and the amount of tensile fibers in the reinforcing layer and the amount of resin for surface coating are reduced. Under the requirement of the same light conduction performance index, the existing diameter of the spiral armored optical cable can be as small as less than or equal to 2.5 mm; the weight can be as light as less than or equal to 8 kg/km; a large amount of raw materials are saved, the cable is protected through the spiral armor structure, the situation that the cable is broken can be achieved when the cable is found in practical use, but the toughness of the cable is not enough, the cable is not suitable for a scene of moving back and forth, if the cable is used on the mechanical arm, the cable is also continuously stretched and shrunk in the continuous moving process of the mechanical arm, and data transmission of the cable is extremely easily influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a super five types of spiral network lines make the heliciform with super five types of network lines, can keep certain extensibility when tensile, and the network line can be withdrawed during the shrink, can not beat and turn round. Therefore, stable transmission of data signals of the network cable can be maintained, the network cable can be protected from being damaged, and the problems that the cable proposed in the background technology is easy to knot and break in the using process and data transmission is easy to interfere are solved.

In order to achieve the above object, the utility model provides a following technical scheme: a super five-type spiral network cable comprises a spirally wound cable, wherein the cable comprises a cable core, an aluminum-plastic composite belt, a tinned wire woven layer, an alloy wire woven layer and a sheath layer from inside to outside; the sheath layer is made of TPU elastomer, and TPU has good flexibility and can ensure that the network cable is soft and easy to wire. The cable core comprises a plurality of transmission lines and a reinforcing core which are twisted together; the number of the transmission lines is not less than 4, the transmission lines are uniformly twisted around the reinforcing core, the transmission lines comprise twisted-pair wire cores and film layers from inside to outside, the two film layers are wound and wrapped on the outer sides of the twisted-pair wire cores in opposite directions, the twisted-pair wire cores are formed by twisting 2 twisted-pair insulating wires, and the twisted-pair insulating wires ensure that the electrical performance is qualified and the loss is reduced; the insulated wire sequentially comprises a conductor formed by stranding a plurality of fine silver-plated copper wires and an insulating layer extruded outside the conductor from inside to outside. The conductor stranded by the plurality of fine silver-plated copper wires has better bending property under the condition of not reducing the transmission efficiency, and can improve the toughness and tensile property. The chemical stability of silver is high, and the silver-plated copper wire does not react with oxygen in general air, so that the contact resistance of the metal surface is reduced by the silver-plated copper wire, and the resistance of a conductor is prevented from being increased. The utility model discloses a to arranging of cable, guaranteed that the assurance cable core does not receive external interference, be not more than 50kV/m, spectral range and also can guarantee the stable transmission of data signal under the strong electric magnetic field interference condition of 100 MHz. The insulated wires are twisted pairwise to form twisted wire cores, so that the electrical performance is qualified, and the loss is reduced; the twisted pair core groups are cabled to form cable cores, and the twisted pair unit groups with staggered pitches can fill gaps of opposite sides during cabling, so that the outer diameter is reduced, and crosstalk is reduced.

As a further improvement of the above technical solution:

the pitch of the cable is 5-10 mm. The winding pitch of the cable is set, so that the cable can be ensured to have strong contractibility and meet the tensile property.

The insulating layer is extruded outside the conductor, and the insulating layer is made of a polyperfluorinated ethylene propylene copolymer. The insulation effect and the high temperature resistance effect of the imported fluorinated ethylene propylene copolymer (FEP) are more than 1.5 times of those of the domestic insulation materials.

The aluminum-plastic composite tape is wrapped outside the cable core, and the wrapping overlapping rate is not less than 25%. The lower lapping overlapping rate can cause the overlapping part to be too thick, the middle non-overlapping part to be too long, and the structure to be unstable.

The weaving density of the tin-plated wire weaving layer is not less than 75%. An electric field shielding effect is reduced when the density is too low.

The weaving density of the alloy wire weaving layer is not less than 80%; the sheath layer is extruded outside the alloy wire braided layer. The sheath layer is extruded outside the alloy wire braided layer. The alloy wire braid layer is braided by high-permeability soft magnetic alloy wires; the sheath layer is extruded outside the alloy wire braided layer. The sheath layer is extruded outside the alloy wire braided layer. The aluminum-plastic composite belt, the tinned wire braided layer and the alloy wire braided layer form a composite shielding layer, so that the composite shielding layer has the advantages of electric field shielding, high magnetic conductivity and soft magnetic alloy wires and good electromagnetic resistance.

The pitch-diameter ratio of each twisted wire core is different, and the pitch ratio ranges from 6 to 25. The different pitch-diameter ratios can fill the gap between the two sides during cabling, reduce the outer diameter, reduce crosstalk interference and ensure the transmission efficiency.

The reinforcing core is a spiral steel wire. The thread pitch of the spiral steel wire is 5mm-10 mm.

The cable winding diameter is 8 times of the diameter of the cable. The cable is longer the cable length that its use of warp is too little, causes its data transmission efficiency to reduce, and the cable is too big around the footpath, and its outside spring performance is not enough, and the cable is easy to take place to beat the condition of turning round simultaneously.

The processing method of the cable is manually completed, the cable which is subjected to primary processing is wound and shaped, one end of the cable is fixed on a stainless steel core rod by using a tool, the cable is tightly wound on the stainless steel core rod, the cable can be clockwise or anticlockwise wound, and after the cable is wound for a certain length, the other end of the cable is also fixed by using the tool, so that the cable cannot be scattered on the core rod and is tightly wound. And then putting the cable in an oven, adjusting the temperature to a proper interval, baking and shaping the wound cable, taking out the net cable after a certain time, taking out the cable after the temperature of the cable and the core rod is cooled, and finishing the shaping. The formed cable has the characteristics of good toughness and strong flexibility.

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

1. the utility model discloses a cable of super five types of spiral net twine has woven tin plating silk weaving layer and alloy silk weaving layer outside the compound outband of plastic-aluminum, forms compound shielding layer, guarantees that the cable core does not receive external disturbance, also can guarantee the stable transmission of data signal under strong electromagnetic field interference condition. The insulated wires are twisted pairwise to form twisted wire cores, so that the electrical performance is qualified, and the loss is reduced; the pair-twisted wire cores are cabled to form a cable core, gaps of the pair-twisted wire cores with staggered pitches can be filled when the pair-twisted wire cores are cabled, the outer diameter is reduced, and crosstalk is reduced.

2. The utility model discloses a mode of super five types of spiral net twine cables adopt the transposition on overall structure for the net twine has fine bending resistance, inside cable centers on the reinforcing bar and strengthens the core transposition, its tensile strength is showing the increase, this cable is connected conveniently, the transmission is stable, long service life, the sexual valence relative altitude, can be applied to various extreme adverse circumstances, be applicable to concertina type, rotary-type equipment connection, especially, the line is used to the robot front end, can effectively avoid scraping and bump, the incident that cable such as broken string brought, the security is high, therefore, the clothes hanger is strong in practicability.

3. The utility model discloses can guarantee the transmission efficiency of cable and can guarantee its tensile strength and toughness again, have certain elasticity when the cable removes, difficult easy breaking during the extension, the condition of knoing of twisting can not appear beating during the shrink, and the net twine both keeps data signal's stable transmission, can protect the net twine damaged can not appear again.

Drawings

Fig. 1 is a schematic view of the internal structure of the cable of the present invention.

Fig. 2 is a schematic view of the cable structure of the present invention.

Reference numerals: 21. a cable core; 22. an aluminum-plastic composite tape; 23. a tinned wire braid layer; 24. an alloy wire braid layer; 25. a sheath layer; 211. a transmission line; 212. a twisted wire core; 213. a thin film layer; 214. an insulated wire; 215. a conductor; 216. an insulating layer; 217. and (6) reinforcing the core.

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.

As shown in fig. 1, the super-five type spiral cable of the present embodiment includes a spirally wound cable, and the cable includes a cable core 21, an aluminum-plastic composite tape 22, a tin-plated woven layer 23, an alloy woven layer 24, and a sheath layer 25 from inside to outside; the cable core 21 includes a plurality of transmission lines 211 and a reinforcing core 217 twisted together; the number of the transmission lines 211 is not less than 4, the transmission lines 211 are uniformly twisted around the reinforced core 217, each transmission line 211 comprises a pair-twisted wire core 212 and a thin film layer 213 from inside to outside, the two thin film layers 213 are wound and wrapped on the outer side of the pair-twisted wire core 212 in opposite directions, and the pair-twisted wire core 212 is formed by twisting 2 pair-twisted insulated wires 214; the insulated wire 214 includes a conductor 215 formed by twisting a plurality of fine silver-plated copper wires and an insulating layer 216 extruded outside the conductor 215 in sequence from inside to outside.

The winding pitch of the cable is 5-10 mm. The pitch of cable is too big, and its elasticity is not good, and the shrink of being not convenient for can appear beating the condition of turning round, and the pitch undersize is not convenient for stretch, and the extension receives certain restriction. The elasticity of the elastic material is optimized by selecting the thickness between 5 and 10 mm.

The insulating layer 216 is extruded outside the conductor 215, and the material of the insulating layer 216 is fluorinated ethylene propylene copolymer.

The aluminum-plastic composite tape 22 is wrapped outside the cable core 21, and the wrapping overlapping rate is not less than 25%.

The braiding density of the tin-plated wire braided layer 23 is not less than 75%.

The weaving density of the alloy wire weaving layer 24 is not less than 80%; the sheath layer 25 is extruded outside the alloy wire braided layer 24.

The pitch ratio of each twisted pair core 212 is different and ranges from 6 to 25.

The strength member 217 is a helical wire. The reinforced core 217 enables the cable core 21 to be uniformly wound thereon, which can effectively prevent the cable core 21 from being broken in the stretching process or influencing the data transmission.

The pitch of the spiral steel wire is 5mm-10 mm. So set up, the spiral resilience effect of spiral steel wire is good, and when tensile, it is difficult for being broken, can not influence its data transmission.

The cable winding diameter is 8 times of the diameter of the cable. So set up and be used for improving its toughness, guarantee normal data transmission simultaneously, the condition that data loss can not appear.

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 (10)

1. A kind of ultra five kinds of spiral network lines, characterized by: the cable comprises a spirally wound cable, wherein the cable comprises a cable core (21) from inside to outside, an aluminum-plastic composite tape (22), a tinned wire braided layer (23), an alloy wire braided layer (24) and a sheath layer (25); the cable core (21) comprises a plurality of transmission lines (211) and a reinforcing core (217) which are twisted together; the number of the transmission lines (211) is not less than 4, the transmission lines are uniformly twisted around the reinforced core (217), the transmission lines (211) comprise twisted pair wire cores (212) and film layers (213) from inside to outside, the two film layers (213) are wound and wrapped on the outer sides of the twisted pair wire cores (212) in opposite directions, and the twisted pair wire cores (212) are formed by twisting 2 twisted pair insulating wires (214); the insulated wire (214) sequentially comprises a conductor (215) formed by stranding a plurality of fine silver-plated copper wires and an insulating layer (216) extruded outside the conductor (215) from inside to outside.

2. The super-five type spiral network cable of claim 1, wherein: the winding pitch of the cable is 5-10 mm.

3. The super-five type spiral network cable of claim 2, wherein: the material of the insulating layer (216) is fluorinated ethylene propylene copolymer.

4. The super-five type spiral network cable of claim 3, wherein: the aluminum-plastic composite tape (22) is wrapped on the cable core (21), and the wrapping overlapping rate is not less than 25%.

5. The super-five type spiral network cable of claim 4, wherein: the weaving density of the tin-plated wire weaving layer (23) is not less than 75%.

6. The super-five types of spiral network cables of claim 5, wherein: the weaving density of the alloy wire weaving layer (24) is not less than 80%; the sheath layer (25) is extruded outside the alloy wire braided layer (24).

7. The super-five type spiral network cable of claim 1, wherein: the pitch ratio of each twisted pair wire core (212) is different, and the pitch ratio ranges from 6 to 25.

8. The super-five type spiral network cable of claim 1, wherein: the reinforcing core (217) is a spiral steel wire.

9. The super-five type spiral network cable of claim 8, wherein: the thread pitch of the spiral steel wire is 5mm-10 mm.

10. The super-five type spiral network cable of claim 1, wherein: the cable winding diameter is 8 times of the diameter of the cable.

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