CN218768798U - A cable for high-end equipment control system - Google Patents

Abstract

The utility model relates to a cable for a high-end equipment control system. The cable includes an outer sheath, a wrapping layer and a plurality of cabled core wires. The core wires are sequentially covered with a wrapping layer and an outer sheath. layer and conductor layer, the insulation layer is extruded and coated outside the conductor layer, the conductor layer consists of multiple single-strand wires twisted in a layer-twisted style, the adjacent layers of the strands are twisted in opposite directions and the outermost layer is to the left, each Single-strand conductors are made of multiple bare copper wires bundled around fiber tows. The conductor is made of soft fine copper wire and a bundle of fiber tows to form a single strand, and then twisted by a single-strand layer. The twisting direction of each layer of strands is opposite, eliminating internal torsion. The choice of conductor material and The special structural design ensures the consistency of the bending flexibility of the conductor layer relative to all directions. The wrapping layer is wrapped around the outside of the cabled core wire to ensure the tightness of the overall structure of the cabled core wire. Both the insulation layer and the sheath are made of elastomer material to enhance the flex resistance and abrasion resistance of the cable.

Description

A cable for high-end equipment control system

technical field

The utility model relates to the technical field of wire and cable manufacturing, in particular to a cable for a high-end equipment control system.

Background technique

With the development of science and technology, the level of intelligence in all walks of life is getting higher and higher, which puts forward refined and personalized development requirements for wires and cables as neural networks for various intelligent high-end equipment. And with the increasing emphasis on the environment at home and abroad, the requirements for the environmental protection performance of products are becoming more and more extensive. However, the existing wires and cables (especially cables for high-end equipment) cannot meet the specific requirements in the new situation, such as the EU's environmental protection requirements, special requirements such as high flexibility, and comprehensive requirements.

Based on this, a new solution is required.

Utility model content

The technical problem to be solved by the utility model is to provide a cable for high-end equipment control system in view of the above-mentioned defects of the prior art. The environmental protection requirements of China and the European Union meet the specific use scenarios of high flexibility and wear resistance, and provide environmentally friendly and flexible new cable solutions for intelligent high-end equipment manufacturers (especially those that need to be exported to the European Union and other countries).

The technical solution adopted by the utility model to solve the technical problem is: to provide a cable for high-end equipment control system, the cable includes an outer sheath, a wrapping layer and a plurality of cabled core wires. The wrapping layer and the outer sheath are sleeved, the core wire includes an insulation layer and a conductor layer, the insulation layer is extruded and coated on the outside of the conductor layer, and the conductor layer includes a plurality of single strands The wires are twisted in layers, the adjacent layers of the strands are twisted in the opposite direction and the outermost layer is to the left, and each single wire is bundled by multiple bare copper wires around the fiber bundle.

In the cable for high-end equipment control system provided by the utility model, it also includes a filling layer placed in the gaps between the cabled multiple core wires, and the filling layer is made of environmentally friendly cotton thread.

In the cable for high-end equipment control system provided by the utility model, the wrapping layer is made of environment-friendly light non-woven fabric, and is wrapped around the outer surface of the plurality of core wires and the filling layer in the cable.

In the cable for high-end equipment control system provided by the utility model, the insulating layer is made of environment-friendly elastomer material meeting the requirements of ROHS and REACH, and the average thickness of the insulating layer is not less than 0.5mm.

In the cable for high-end equipment control system provided by the utility model, the outer sheath is made of environmentally friendly elastomer material meeting the requirements of ROHS and REACH, and the average thickness is not less than 0.8mm.

In the cable for high-end equipment control system provided by the utility model, a shielding layer located between the wrapping layer and the outer sheathing layer is also included.

In the cable for high-end equipment control system provided by the utility model, the bundle pitch between the copper wire and the fiber bundle is less than 6.0 mm.

In the cable for a high-end equipment control system provided by the utility model, the pitch diameter ratio of the core wires is not greater than 12.

According to comparing with prior art, the beneficial effect of the utility model is:

(1) All materials are made of environmentally friendly materials. After the authoritative inspection by SGS, the cables made meet the requirements of the European Union's REACH regulations (report number SZXEC2203000701);

(2) The conductor layer adopts a new stranding process. A bundle of fiber filaments is placed in the middle of the single strand to increase the tensile strength of the conductor. The pitch-to-diameter ratio of stranding is relatively small. This design eliminates the internal torsion formed by single strands and strands, and improves the overall softness and flex resistance of the conductor; after the bending resistance test, the number of bending resistance reaches 500 More than ten thousand times;

(3) The new TPEE material used in the insulating layer not only has low density and light weight, but also has excellent temperature resistance (operating temperature -60 ° C ~ 180 ° C), oil resistance, weather resistance and other properties, especially outstanding performance in fatigue resistance, Enhanced flex resistance of the core wire;

(4) The pitch diameter ratio of the cable is smaller than the design, and the cable core is filled with flexible material and wrapped with tape, which saves the filling of the sheath material and improves the overall softness and flex resistance of the cable core wire ;

(5) The new TPU material used for the wrapping layer and the outer sheath has excellent low temperature resistance, weather resistance, hydrolysis resistance and other properties, especially in terms of wear resistance, which enhances the wear resistance of the cable;

(6) In high-end application fields such as the laser manufacturing industry, it can replace some imported products from abroad.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the utility model. For those of ordinary skill in the art, other drawings can also be obtained according to the provided drawings without paying creative work:

Figure 1 is a schematic diagram of the overall structure of the cable for the high-end equipment control system provided by Embodiment 1 of the present utility model;

FIG. 2 is a schematic structural view of the conductor layer shown in FIG. 1;

Figure 3 is a schematic diagram of the overall structure of the cable for the high-end equipment control system provided by Embodiment 2 of the present invention;

FIG. 4 is a schematic diagram of the overall structure of the cable for the high-end equipment control system provided by Embodiment 3 of the present invention.

Detailed ways

In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. Typical embodiments of the utility model are provided in the accompanying drawings. However, the invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used in the description of the utility model herein is only for the purpose of describing specific embodiments, and is not intended to limit the utility model.

In order to make the purpose, technical solutions and advantages of the utility model clearer, and to make the advantages and features of the utility model easier for those skilled in the art to understand, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and do not represent all or the only conditions of the utility model, and are not used to limit the utility model. However, the relevant terms described in this utility model, such as "outside", "leftward", "rightward", etc., indicate the position and orientation relationship based on the position and orientation relationship shown in the accompanying drawings, and only use It is not intended to explain the content of the utility model, so it cannot be understood as a limitation of the utility model.

Figure 1 is a schematic diagram of the overall structure of the cable for the high-end equipment control system provided by Embodiment 1 of the present utility model. As shown in Figure 1, the cable includes an outer sheath 1, a wrapping layer 2, a filling layer 3 and Core wire 4. Wherein, the core wire 4 is composed of a conductor layer 42 and an insulating layer 41 coated on the outside of the conductor layer 42; the conductor layer 42 includes a plurality of single-strand wires 421 twisted in layers, and the strands are adjacent to each other. The layers are twisted in the opposite direction and the outermost layer is to the left. Each single-strand wire 421 is bundled by a plurality of bare copper wires 4211 around a fiber bundle 4212 . A single strand is synthesized by a plurality of fine bare copper wires around a bundle of fiber tows, and then the conductor layer is formed by twisting the single strands. According to the design requirements, the twisting directions of the single strands are divided into two types: left and right, respectively. Placed at a specific position during strand stranding; according to design requirements, each layer stranding direction is opposite and the outermost layer is leftward during strand stranding, so as to eliminate the internal torsion caused by single strands and strand stranding. The conductor layer adopts a new stranding process. A bundle of fiber filaments is placed in the middle of the single strand to increase the tensile strength of the conductor. The joint diameter ratio is relatively small. This design eliminates the internal torsion force formed by single strands and strands, and improves the overall softness and flex resistance of the conductor; after the bending resistance test, the number of bending resistance reaches more than 5 million times .

Specifically, in the embodiment shown in FIG. 1, the conductor layer 42 is composed of 19 strands of fine copper wires, and each strand is composed of 10 bare copper wires 4211 with a diameter of less than 0.15mm surrounding a bundle of fiber wires 4212 to form a single strand. Conductor 421, the bundle pitch is less than 6.0mm, the bundle is divided into 13 left-handed strands and 6 right-handed strands; then 19 single-strand wires are twisted from inside to outside according to 1+6+12, of which 1 strand The single strand with the left direction is in the center, the 6 single strands with the right direction are in the outer layer of the center, and the 12 single strands with the left direction are in the outermost layer; The twisted pitch is less than 15.6mm, and the twisted pitch of the 12-strand layer is less than 24.0mm.

Further, in this embodiment, the diameter of a single copper wire is selected as 0.1 mm, the fiber wire is selected as a bundle of brand 400D, and the bundle pitch is selected as 4.0 mm; Right direction; 12-strand layer twisting pitch is selected as 20mm, and the twisting direction is left.

Further, the insulating layer 41 is made of an environmentally friendly elastomer material that meets the requirements of ROHS and REACH, and is extruded and coated on the outside of the conductor layer 42. The diameter, thickness, and insulating color of the extruded wire are based on the design requirements, and the average thickness is not less than 0.5mm. . Preferably, the environment-friendly elastomer material is TPEE, and the average thickness is 0.5 mm. The new TPEE material used in the insulating layer is not only low in density and light in weight, but also has excellent temperature resistance (working temperature -60 ° C ~ 180 ° C), oil resistance, weather resistance and other properties, especially outstanding performance in fatigue resistance, which strengthens the core. The flexibility of the wire.

Further, the core wires 4 are twisted into a cable, and the pitch ratio of the cable is not greater than 12. The filling layer 3 is made of cotton thread material, which is placed in the gaps between multiple core wires 4, and the number of cotton threads is based on the need to ensure the roundness of the cable section. Preferably, 10 pieces of cotton thread grade 10S are selected, 2 pieces are used in each of the four spaces in the center of the cable and outside the core wire, and the pitch ratio of the cable is selected to be 10. The pitch-to-diameter ratio of the cable is designed to be small, and the cable core is filled with flexible material and wrapped with a tape, which saves the filling of the sheath material and improves the overall softness and flex resistance of the cabled core wire.

Further, the wrapping layer 2 is made of lightweight non-woven fabric, which is wrapped around the outside of the cabled core wire 4 and the filling layer 3, and the width, number of strips and lapping rate of the non-woven fabric are subject to design. Preferably, the width of the non-woven fabric is 25 mm, the thickness is 0.08 mm, two wraps are used, the covering rate is selected to be 20%, and the wrapping direction is right.

Further, the outer sheath 1 is made of an environmentally friendly elastomer material that meets the requirements of ROHS and REACH, and is extruded and coated on the outside of the wrapping layer 2. The thickness and external dimensions of the outer sheath are based on the design requirements, and the average thickness is not less than 0.8mm . Preferably, the environment-friendly elastomer material is TPU, and the average thickness is 1.0mm. The new TPU material used for the wrapping layer and the outer sheath has excellent low temperature resistance, weather resistance, hydrolysis resistance and other properties, especially in terms of wear resistance, which enhances the wear resistance of the cable.

Fig. 3 is a schematic diagram of the overall structure of the cable for the high-end equipment control system provided by the second embodiment of the utility model. As shown in FIG. 3 , the difference between the cable provided by this embodiment and the cable provided by Embodiment 1 is that the structure of the core wire is adjusted on the basis of Embodiment 1.

FIG. 4 is a schematic diagram of the overall structure of the cable for the high-end equipment control system provided by Embodiment 3 of the present invention. As shown in FIG. 4 , the difference between the cable provided by this embodiment and the cable provided by Embodiment 1 is that a shielding layer 5 is added, and the shielding layer is located between the wrapping layer 2 and the outer sheath 1 .

The manufacturing method of the cable for the high-end equipment control system of the present invention is as follows:

1 Conductor Manufacturing

1.1 According to the design, the copper rod with a diameter of 2.6mm is drawn to a 0.8mm semi-finished copper wire by a medium drawing machine, and the 0.8mm semi-finished copper wire is drawn to a 0.1mm copper wire by a small drawing machine, and then the 0.1mm copper wire is drawn by an annealing and rewinding machine. annealed copper wire.

Among them, the sizing die of the medium drawing machine is 0.80mm, the wire speed is 1200m/min~1400m/min, the sizing die of the small drawing machine is 0.102mm, the wire speed is 1800m/min~2000m/min, and the annealing temperature of the annealing rewinding machine is 380 ℃～440℃, wire take-up speed 230m/min～250m/min, copper wire diameter after annealing 0.099mm～0.101mm, elongation greater than or equal to 12%.

1.2 According to the design, put 10 0.10mm bare copper wires (4211) prepared in step 1.1 around a bundle of brand 400D fiber filaments (4212) to form a single strand (421), the bundle pitch is 4.0mm, and the bundle is divided into 13 Left-handed strands and 6 right-handed strands, a total of 19 strands; then a single strand (421) is twisted (42) according to 1+6+12, and one strand with a left-handed stranding direction is located in the center. 6 single strands with a right-handed beaming direction live in the outer layer of the center, and 12 single strands with a left-handed beaming direction live in the outermost layer; the twisting pitch of the 6-strand layer is 14.4mm, and the twisting direction is right-handed. The stranding pitch of the 12-strand layer is 20.0mm, the stranding direction is left, and the stranding forms the conductor layer;

2 core wire manufacturing

The environmentally friendly elastomer TPEE is plasticized by an extruder and then extruded on the outside of the conductor layer 42 to form an insulating layer 41 with an average thickness of 0.5mm and colors of brown, blue, black and gray, forming four core wires 4 ;

Among them, the TPEE material needs to be dried at 70-100°C for 1-3 hours before extrusion, and the extruder tank, machine head, barrel, and hopper should be cleaned to prevent non-environmental pollution; The temperature in the five zones is 195±10°C, 205±10°C, 210±10°C, 215±10°C, 225±10°C, the head temperature is 225±10°C, the eye mold temperature is 230±10°C; the inner and outer molds are 2.6 mm/5.8mm.

3 cables

3.1 The core wire 4 and the filling layer 3 are twisted into a cable by a cable forming machine, the twisting pitch is 60mm, and the twisting direction is right.

3.2 When forming a cable, wrap two light non-woven fabrics 2, the width of the non-woven fabric is 25mm, the thickness is 0.08mm, the covering rate of the wrapping is 20%, and the wrapping direction is right.

4 Outer sheath manufacturing

The environment-friendly elastomer TPU is plasticized by an extruder and then extruded and wrapped on the outside of the non-woven fabric 2 with built-in cable core wires, with an average thickness of 1.0mm.

Among them, the TPU material needs to be dried at 80-110°C for 1-2 hours before extrusion, and the extruder tank, machine head, barrel, and hopper should be cleaned to prevent non-environmental pollution; the extruder temperature control zone 1 to 5 Zone temperatures are 150±10°C, 160±10°C, 170±10°C, 170±10°C, 170±10°C, head temperature 170±10°C, eye mold temperature 165±10°C; inner and outer molds are 8.3mm /10.5mm.

In the description provided herein, numerous specific details are set forth. However, it is understood 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 the understanding of this description.

Similarly, it should be understood that in the above description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together into a single Examples, figures, or descriptions thereof. This method of disclosure, however, is not to be interpreted as reflecting an intention that the claimed invention 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.

In addition, those skilled in the art will understand that although some embodiments herein include certain features included in other embodiments but not others, combinations of features from different embodiments are meant to be within the scope of the present 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 a unit claim enumerating several means, several of these means can be embodied by one and the same item of hardware. The use of the words first, second, and third, etc. does not indicate any order. These words can be interpreted as names.

Claims (8)

1. A cable for high-end equipment control system, characterized in that, the cable comprises an outer sheath (1), a wrapping layer (2) and a plurality of core wires (4) cabled, and the core wire (4 ) is sheathed with the wrapping layer (2) and the outer sheath (1) in turn, the core wire (4) includes an insulating layer (41) and a conductor layer (42), and the insulating layer (41 ) is extruded and coated on the outside of the conductor layer (42), and the conductor layer (42) includes a plurality of single-strand wires (421) twisted in a layer-twisted manner, and the adjacent layers of the strands are twisted in opposite directions and the most The outer layer faces to the left, and each single-strand wire (421) is formed by bundling a plurality of bare copper wires (4211) around the fiber bundle (4212). 2. The cable for high-end equipment control system according to claim 1, characterized in that, it also includes a filling layer (3) placed in the gaps of the cabled multiple core wires (4), the filling layer (3) Eco-friendly cotton thread is used. 3. The cable for high-end equipment control system according to claim 2, characterized in that, the wrapping layer (2) is made of environment-friendly lightweight non-woven fabric, and is wrapped around the plurality of core wires (4) in the cable. and the outside of the filling layer (3). 4. The cable for high-end equipment control system according to claim 1, characterized in that, the insulating layer (41) is made of an environmentally friendly elastomer material that meets the requirements of ROHS and REACH, and the average thickness of the insulating layer (41) is Not less than 0.5mm. 5. The cable for high-end equipment control system according to claim 1, characterized in that, the outer sheath (1) is made of environmentally friendly elastomer material that meets the requirements of ROHS and REACH, and the average thickness is not less than 0.8mm. 6. The cable for high-end equipment control system according to claim 1, characterized in that it further comprises a shielding layer (5) located between the wrapping layer (2) and the outer sheath (1). 7. The cable for high-end equipment control system according to claim 1, characterized in that, the bundle pitch between the copper wire (4211) and the fiber tow (4212) is less than 6.0mm, and the twist pitch of the strands is less than 6.0 mm. Less than 24.0mm. 8. The cable for high-end equipment control system according to claim 1, characterized in that, the pitch ratio of the core wire (4) is not greater than 12.

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