CN218768798U - Cable for high-end equipment control system - Google Patents

Abstract

The utility model relates to a high-end equipment cable for control system, the cable includes the outer jacket, around many heart yearns of covering and stranding, the heart yearn is equipped with in proper order outward around covering and outer jacket, the heart yearn includes insulating layer and conductive layer, the crowded package cladding of insulating layer is outside the conductive layer, the conductive layer includes that many single strand wires form with the strand of layer hank, strand hank adjacent layer hank is to opposite and outmost left, every single strand wire is closed around fibre silk bundle by many naked copper wires and is formed. The conductor adopts the fine copper wire of soft type and a bunch of fibre silk bundle to synthesize the single strand, is twisted by single strand layer stranding again and forms, and wherein the direction of stranding of each layer strand stranding is opposite, has eliminated interior torsion, and the selection of conductor material and special structural design have guaranteed the relative each direction of conductor layer and have buckled flexible uniformity. The wrapping layer is wrapped outside the cable core wire, so that the compactness of the integral structure of the cable core wire is ensured. The insulating layer and the sheath are made of elastomer materials, so that the bending resistance, flexibility and abrasion resistance of the cable are enhanced.

Description

Cable for high-end equipment control system

Technical Field

The utility model relates to a wire and cable makes technical field, especially relates to a high-end equipment cable for control system.

Background

With the development of scientific technology, the intellectualization level of various industries is higher and higher, and the development requirements of refinement and individuation are provided for the wire and cable which are used as the neural network of various intelligent high-end devices. And with the increasing environmental importance in China and abroad, the requirement on the environmental protection performance of the product is more and more extensive. However, the existing electric wires and cables (especially cables for high-end devices) cannot meet specific requirements under new situations, such as special requirements of the european union, such as environmental protection requirements, high flexibility and comprehensive requirements.

Based on this, a new solution is needed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem lies in, to prior art's above-mentioned defect, provide a high-end equipment cable for control system, through selecting for use novel material as insulating and sheath material, scientific design conductor structure and cabling technology, both satisfy the environmental protection requirement of china and european union etc. and satisfy high flexibility, the specific use scene of wearability, for intelligent high-end equipment producer (especially need to export countries such as european union) provide environmental protection and resistant flexible novel cable solution.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a high-end equipment cable for control system, the cable includes the outer jacket, winds the many heart yearns of covering and stranding, the heart yearn is equipped with in proper order outward around the covering with the outer jacket, the heart yearn includes insulating layer and conductive layer, the crowded package cladding of insulating layer is in outside the conductive layer, the conductive layer includes that many single strand wires form with the strand formula strand of layer, strand adjacent layer strand to opposite and outmost left, every single strand wire is formed around the fiber strand bundle by many bare copper wires.

The utility model provides an among the high-end equipment cable for control system, still including the filling layer in the clearance of arranging the many heart yearns of stranding in, the filling layer adopts the cotton line of environment-friendly.

The utility model provides an among the high-end equipment cable for control system, adopt the light-duty non-woven fabrics of environment-friendly around the covering, wind the package in the stranding the outside of many heart yearns and filling layer.

The utility model provides an among the high-end equipment cable for control system, the insulating layer adopts the environment-friendly elastomer material who accords with ROHS and REACH requirement, the average thickness of insulating layer is not less than 0.5mm.

The utility model provides an among the high-end equipment cable for control system, the environmental protection type elastomer material that accords with ROHS and REACH requirement is adopted to the outer jacket, and average thickness is not less than 0.8mm.

The utility model provides an among the high-end equipment cable for control system, still including being located the shielding layer between covering and the outer jacket.

The utility model provides an among the high-end equipment cable for control system, the beam pitch of closing between copper wire and the fibre silk bundle is less than 6.0mm.

The utility model provides an among the high-end equipment cable for control system, the cabled pitch diameter ratio of heart yearn is not more than 12.

According to contrast with the prior art, the beneficial effects of the utility model reside in that:

(1) All materials are environment-friendly materials, and the prepared cable meets the REACH regulation requirement of European Union (report number SZXEC 2203000701) through SGS authority detection;

(2) The conductor layer adopts a brand-new twisting process, a bundle of fiber yarns is placed in the middle of the single strand to increase the tensile strength of the conductor, the twisting directions of the single strand and the layer twist are in a left-right combined design, the twisting pitch ratio of the single strand and the strand twist is smaller, the inner torsion formed by the single strand and the strand twist is eliminated by the design, and the overall flexibility and the bending resistance flexibility of the conductor are improved; bending resistance tests prove that the bending resistance times reach more than 500 ten thousand times;

(3) The TPEE novel material adopted by the insulating layer has small density and light weight, has excellent temperature resistance (working temperature is minus 60 ℃ to 180 ℃), oil resistance, weather resistance and the like, has outstanding performance particularly in the aspect of fatigue resistance, and enhances the bending resistance and flexibility of the core wire;

(4) The pitch-diameter ratio of the cable is designed to be smaller, and the flexible material is used for filling and the cable core is coated by the wrapping tape, so that the filling of the sheath material is saved, and the overall flexibility and bending resistance of the cable core are improved;

(5) The novel TPU material adopted by the wrapping layer and the outer protective layer has excellent low temperature resistance, weather resistance, hydrolysis resistance and other performances, and particularly has outstanding performance in the aspect of wear resistance, so that the wear resistance of the cable is enhanced;

(6) In high-end application fields such as laser manufacturing industry and the like, the material can replace part of foreign imported products.

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, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts:

fig. 1 is a schematic view of an overall structure of a cable for a high-end device control system according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the conductive layer shown in FIG. 1;

fig. 3 is a schematic view of an overall structure of a cable for a high-end device control system according to a second embodiment of the present invention;

fig. 4 is a schematic view of an overall structure of a cable for a high-end device control system according to a third embodiment of the present invention.

Detailed Description

With the understanding of the present invention facilitated, the present invention will be described more fully with reference to the accompanying drawings. Exemplary embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

To make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention having the advantages and features that can be more easily understood by those who are related to the field will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only, and are not intended to represent the entire, or the only, aspect of the invention, and are not intended to limit the invention. However, the terms described in the present invention, such as "outside", "left direction", "right direction", etc., indicate the position and orientation relationship only based on the position and orientation relationship shown in the drawings, and are only used for explaining the contents of the present invention, and therefore, should not be construed as limiting the present invention.

Fig. 1 shows the utility model provides a high-end equipment cable for control system's overall structure sketch map that provides, as shown in fig. 1, the cable is from outer to inner including outer jacket 1, around covering 2, filling layer 3 and heart yearn 4. Wherein, the core wire 4 is composed of a conductor layer 42 and an insulating layer 41 coated outside the conductor layer 42; the conductor layer 42 includes that a plurality of individual wires 421 strand with the layer formula strand forms, strand adjacent layer strand to opposite and outermost left, every individual wire 421 is closed by a plurality of naked copper wires 4211 around fibre silk bundle 4212. A plurality of fine bare copper wires are wound around a bundle of fiber tows to form a single strand, then the single strand is stranded to form a conductor layer, the stranding direction of the single strand is divided into a left direction and a right direction according to design requirements, and the single strand is respectively placed at a specific position during strand stranding; according to design requirements, when the strands are twisted, the twisting direction of each layer is opposite, and the outermost layer is towards the left, so that the internal torsion formed by single strands and strand twisting is eliminated. The conductor layer adopts a brand-new twisting process, a bundle of fiber yarns is placed in the middle of the single strand to increase the tensile strength of the conductor, the twisting directions of the single strand and the layer twist are in a left-right combined design, the twisting pitch ratio of the single strand and the strand twist is smaller, the inner torsion formed by the single strand and the strand twist is eliminated by the design, and the overall flexibility and the bending resistance flexibility of the conductor are improved; bending resistance tests prove that the bending resistance times can reach more than 500 ten thousand.

Specifically, in the embodiment shown in fig. 1, the conductor layer 42 is made of 19 fine copper wires, each of which is formed by bundling 10 bare copper wires 4211 with a diameter of less than 0.15mm around a bundle of fiber wires 4212 to form a single-stranded conductor 421, the bundling pitch is less than 6.0mm, and the bundling is divided into 13 left-hand strands and 6 right-hand strands; then 19 strands of single-stranded wires are stranded from inside to outside according to 1+6+12, wherein the single strand with the 1 strand stranding direction being the left direction is positioned at the center, the single strand with the 6 strand stranding direction being the right direction is positioned at one layer outside the center, and the single strand with the 12 strand stranding direction being the left direction is positioned at the outermost layer; the 6-strand layer has a stranding pitch of less than 15.6mm and the 12-strand layer has a stranding pitch of less than 24.0mm.

Further, in the embodiment, the diameter of a single copper wire is 0.1mm, a bundle of the fiber wire with the trade mark of 400D is selected, and the bundle combination pitch is 4.0mm; the layer twisting pitch of the 6 strands of layers is 14.4mm, and the twisting direction is the right direction; the ply twist pitch of the 12 ply layers is 20mm, and the twist direction is the left direction.

Furthermore, the insulating layer 41 is made of an environment-friendly elastomer material meeting the requirements of ROHS and REACH, and is wrapped outside the conductor layer 42 in an extruding manner, the diameter, thickness and insulating color of the extruded wire are according to the design requirements, and the average thickness is not less than 0.5mm. Preferably, the environmentally friendly elastomeric material is TPEE and has an average thickness of 0.5mm. The novel TPEE material adopted by the insulating layer has small density and light weight, has excellent temperature resistance (working temperature is minus 60 ℃ to 180 ℃), oil resistance, weather resistance and other performances, is particularly outstanding in fatigue resistance, and enhances the bending resistance and flexibility of the core wire.

Further, the core wires 4 are twisted into a cable, and the cable pitch-diameter ratio is not more than 12. The filling layer 3 is made of cotton threads and is arranged in the gap between the core threads 4, and the number of the cotton threads is based on the roundness of the formed cable section. Preferably, 10 cotton yarn marks 10S are selected, four gaps at the center of the cable and the outer side of the core wire are respectively 2, and the pitch ratio of the cable is 10. The pitch diameter ratio of the cable is smaller than the design, and the flexible material is used for filling and the cable core is coated by the wrapping tape, so that the filling of the sheath material is saved, and the overall flexibility and bending resistance of the cable core are improved.

Further, adopt light-duty non-woven fabrics around covering 2, around the package in the outside of cabling heart yearn 4 and filling layer 3, non-woven fabrics width, strip number with around the package take the lid rate to aim at the design. Preferably, the non-woven fabric is wrapped by 2 strips with the width of 25mm and the thickness of 0.08mm, the covering rate is 20 percent, and the wrapping direction is the right direction.

Furthermore, the outer protective layer 1 is made of an environment-friendly elastomer material meeting ROHS and REACH requirements, and is wrapped outside the wrapping layer 2 in an extruding mode, the thickness and the overall dimension of the outer protective layer are according to design requirements, and the average thickness is not smaller than 0.8mm. Preferably, the environment-friendly elastomer material is TPU, and the average thickness is 1.0mm. The novel TPU material adopted for the wrapping layer and the outer protective layer has excellent low temperature resistance, weather resistance, hydrolysis resistance and other performances, and particularly has outstanding performances in the aspect of wear resistance, so that the wear resistance of the cable is enhanced.

Fig. 3 is a schematic view of an overall structure of a cable for a high-end device control system according to an embodiment of the present invention. As shown in fig. 3, the cable provided in this embodiment is different from the cable provided in the first embodiment in that the structure of the core wire is adjusted on the basis of the first embodiment.

Fig. 4 is a schematic view of an overall structure of a cable for a high-end device control system according to a third embodiment of the present invention. As shown in fig. 4, the cable provided in this embodiment is different from the cable provided in the first embodiment in that a shielding layer 5 is added, and the shielding layer is located between the wrapping layer 2 and the outer sheath 1.

The utility model discloses a manufacturing method of cable for high-end equipment control system as follows:

1 conductor manufacture

1.1 according to the design, a copper rod with the diameter of 2.6mm is pulled to be a 0.8mm semi-finished copper wire through a middle pulling machine, the 0.8mm semi-finished copper wire is pulled to be the 0.1mm copper wire through a small pulling machine, and the 0.1mm copper wire is annealed through an annealing rewinding machine.

Wherein the sizing die of the middle drawing mill is 0.80mm, the wire outlet speed is 1200 m/min-1400 m/min, the sizing die of the small drawing mill is 0.102mm, the wire outlet speed is 1800 m/min-2000 m/min, the annealing temperature of the annealing rewinder is 380-440 ℃, the wire take-up speed is 230 m/min-250 m/min, the diameter of the annealed copper wire is 0.099 mm-0.101 mm, and the elongation is more than or equal to 12%.

1.2 bunching 10 bare copper wires (4211) with the thickness of 0.10mm prepared in the step 1.1 around a fiber wire (4212) with the mark of 400D into a single strand (421) according to the design, wherein the bunching pitch is 4.0mm, and the bunching is divided into 13 strands in the left direction and 6 strands in the right direction, so that the total number of the strands is 19; then single strand (421) is stranded (42) according to 1+6+12, wherein the single strand with the 1 strand bunching direction being the left direction is positioned at the center, the single strand with the 6 strand bunching direction being the right direction is positioned at the outer layer of the center, and the single strand with the 12 strand bunching direction being the left direction is positioned at the outermost layer; the twisting direction of the 6-strand layer is a right direction with a twisting pitch of 14.4mm, the twisting direction of the 12-strand layer is a left direction with a twisting pitch of 20.0mm, and the 6-strand layer is twisted to form a conductor layer;

2 core wire manufacture

Plasticizing the environment-friendly elastomer TPEE by an extruder and extruding the plasticized elastomer TPEE out of the conductor layer 42 to form an insulating layer 41 with the average thickness of 0.5mm and the colors of brown, blue, black and gray to form four core wires 4;

wherein the TPEE material is dried for 1 to 3 hours at a temperature of between 70 and 100 ℃ before extrusion, and a water tank, a machine head, a machine barrel and a hopper of the extruder are cleaned to prevent pollution of non-environment-friendly substances; the temperature of the extruder from the first zone to the fifth zone is controlled to be 195 +/-10 ℃, 205 +/-10 ℃, 210 +/-10 ℃, 215 +/-10 ℃, 225 +/-10 ℃, the head temperature is 225 +/-10 ℃ and the eye die temperature is 230 +/-10 ℃ respectively; the inner and outer moulds are 2.6mm/5.8mm.

3 cabling

3.1 stranding the core wire 4 and the filling layer 3 into a cable by a cabling machine, wherein the stranding pitch is 60mm, and the stranding direction is the right direction.

3.2 during the stranding, around two light-duty non-woven fabrics 2, the non-woven fabrics width is 25mm, and thickness is 0.08mm, is 20% around the package rate of taking the lid, is the right side around the package direction.

4 outer sheath manufacturing

Plasticizing the environment-friendly elastomer TPU by an extruder, and extruding the plasticized TPU outside the non-woven fabric 2 with the built-in cable core wire, wherein the average thickness of the plasticized TPU is 1.0mm.

Wherein, before extrusion, the TPU material needs to be dried for 1 to 2 hours at a temperature of between 80 and 110 ℃, and a water tank, a machine head, a machine barrel and a hopper of an extruder are cleaned to prevent pollution of non-environment-friendly substances; the temperature of the extruder from the first zone to the fifth zone is respectively 150 +/-10 ℃, 160 +/-10 ℃, 170 +/-10 ℃, the head temperature is 170 +/-10 ℃ and the eye die temperature is 165 +/-10 ℃; the inner and outer moulds are 8.3mm/10.5mm.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: rather, the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.

Moreover, those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.

It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.

Claims (8)

1. The utility model provides a high-end equipment cable for control system, a serial communication port, the cable includes outer jacket (1), around many heart yearns (4) of covering (2) and stranding, heart yearn (4) outer in proper order the cover be equipped with around covering (2) with outer jacket (1), heart yearn (4) are including insulating layer (41) and conductive layer (42), insulating layer (41) crowded package cladding is in outside conductive layer (42), conductive layer (42) include that many single strand wires (421) strand form with the stranded formula of layer, strand adjacent layer strand to opposite and outmost left, every single strand wire (421) are formed by many bare copper wires (4211) around the bundle of fibre silk (4212) bundle.

2. The cable for the high-end equipment control system according to claim 1, further comprising a filling layer (3) disposed in the gap between the plurality of core wires (4) of the cable, wherein the filling layer (3) is made of environment-friendly cotton.

3. The cable for the high-end equipment control system according to claim 2, wherein the wrapping layer (2) is made of environment-friendly light non-woven fabric and is wrapped outside the plurality of core wires (4) and the filling layer (3).

4. The cable for high-end equipment control systems according to claim 1, wherein the insulating layer (41) is made of environment-friendly elastomer material meeting ROHS and REACH requirements, and the average thickness of the insulating layer (41) is not less than 0.5mm.

5. The cable for the high-end equipment control system according to claim 1, wherein the outer sheath (1) is made of environment-friendly elastomer material meeting ROHS and REACH requirements, and has an average thickness of not less than 0.8mm.

6. The cable for a high-end equipment control system according to claim 1, further comprising a shielding layer (5) between the wrapping layer (2) and the outer sheath (1).

7. The cable for high-end equipment control systems according to claim 1, wherein the bunching pitch between the copper wire (4211) and the fiber tows (4212) is less than 6.0mm, and the stranding pitch of the strands is less than 24.0mm.

8. The cable for a high-end equipment control system according to claim 1, wherein the core wire (4) has a cabling pitch ratio of not more than 12.

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