A polyethylene computer cable and its production process

Abstract

The present invention relates to the field of cable technology, and provides a polyethylene computer cable, comprising: a core guide area and a protection area, a functional area is added between the core guide area and the protection area, and the protection area includes a coating layer; the core guide area includes an insulating layer, a conductor and a shielding layer; the functional area includes a heat conductive sheet attached to the outer wall of the shielding layer to absorb the heat generated during the operation of the cable, and the heat conductive sheet is installed in a winding manner; the outer side of the heat conductive sheet is provided with an arc pad and a buffer rib to buffer the external mechanical force and pressure, and prevent deformation and damage of the cable caused by external factors. The present invention can form a heat diffusion conduction mechanism inside the cable, so that the heat generated during the operation of the cable is released outward at the first time to ensure the stable operation of the cable, and at the same time form a protective structure for the cable to prevent damage caused by external factors, resist external wear and mechanical force, and keep the cable in a stable use state.

Description

Technical Field

[0001] The present invention relates to the field of cable technology, and more specifically, to a polyethylene computer cable and a production process thereof. Background Art

[0002] Polyethylene computer cable, usually refers to computer shielded cable using polyethylene as the insulation material, belongs to the electrical equipment cable, specially used to connect computers and other equipment to achieve data transmission and power supply, widely used in home, commercial and industrial environments, polyethylene is a thermoplastic resin with good insulation performance, chemical corrosion resistance and processing performance;

[0003] At present, it is found in the actual application of computer cables that when the cables are operated under high load or high temperature environment for a long time, the temperature of the cables may rise due to insufficient heat dissipation, which leads to the quality of signal transmission inside the cables, because high temperature may cause signal attenuation or increased interference. In addition, the temperature rise inside the cables will also accelerate the aging process of the cables, shorten the service life of the cables, and is not conducive to the long-term stable use of the cables.

[0004] To solve the above problems, this application proposes a polyethylene computer cable and a production process thereof. Summary of the invention

[0005] The purpose of the present invention is to provide a polyethylene computer cable and its production process, which can effectively solve the problem raised in the above background technology that when the cable runs for a long time under high load or high temperature environment, the cable may cause temperature rise due to insufficient heat dissipation, which leads to the quality of signal transmission inside the cable, because high temperature may cause signal attenuation or increased interference. In addition, the increase in internal temperature of the cable will also accelerate the aging process of the cable, shorten the service life of the cable, and is not conducive to the long-term stable use of the cable.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] A polyethylene computer cable comprises: a core guide area and a protection area, a functional area is added between the core guide area and the protection area, the protection area comprises a coating layer; the core guide area comprises an insulating layer, a conductor and a shielding layer; the functional area comprises a heat conductive sheet attached to the outer wall of the shielding layer to absorb the heat generated when the cable is running, and the heat conductive sheet is installed in a winding manner; an arc pad and a buffer rib are provided on the outer side of the heat conductive sheet to buffer the external mechanical force and pressure, so as to prevent deformation and damage of the cable caused by external factors; the functional area also comprises a protection belt located between the protection area and the heat conductive sheet, a heat dissipation pad is provided on the inner side of the protection belt, and the honeycomb holes opened inside promote the internal heat to diffuse outward.

[0008] As a further optimization of the present invention, the functional area also includes a heat conduction portion, which is located between the heat conduction sheet and the protection belt and is used to conduct the heat absorbed by the heat conduction sheet to the protection belt.

[0009] As a further optimization of the present invention, a positioning groove for passing buffer ribs is provided on the outer side of the arc pad, located on both sides of the arc pad adjacent to the heat dissipation pad, and an elastic strip is provided on the outer side of the positioning groove to resist the buffer ribs.

[0010] As a further optimization of the present invention, side grooves are provided on both sides of the heat conducting sheet for docking with the positioning blocks on the inner side thereof when laying the heat conducting part.

[0011] As a further optimization of the present invention, the upper end of the heat conducting part abuts against the honeycomb holes to form evenly distributed limiting protrusions for improving the heat conduction efficiency.

[0012] As a further optimization of the present invention, the honeycomb holes are also used to increase the resistance to external mechanical forces and pressure.

[0013] As a further optimization of the present invention, ventilation holes are provided inside the heat dissipation pad to diffuse the accumulated heat outward to increase the heat dissipation area, and a sealing film is provided on the outer side of the protective belt to increase the liquid and gas anti-penetration performance.

[0014] As a further optimization of the present invention, the functional area also includes positioning ropes, which are located around the outside of the protective belt. After the protective belt is laid, it is squeezed inward to form an arc groove, which is used to limit the heat conductive plate and the protective belt to facilitate installation operations.

[0015] As a further optimization of the present invention, the surface of the sealing film is also provided with a fire-retardant coating to create a flame-retardant effect on the cable.

[0016] A production process for a polyethylene computer cable, applied to the polyethylene computer cable mentioned above, comprises the following steps:

[0017] S1: First, the heat conducting sheet, the heat conducting part, the protective belt and the positioning rope are distributed in the conveying path of the insulation layer in sequence by using a winding device;

[0018] S2: After the insulation layer is delivered and the shielding layer is laid, the heat conducting sheet is released by the winding device, and is laid on the outside in a winding manner so that the edges on both sides are in contact with each other, and then the buffer rib is placed outside again and inserted into the inside of the positioning groove;

[0019] S3: After the heat conducting sheet is laid at one end, the heat conducting part is placed outside by means of a winding device so that the positioning block is inserted into the grooves on both sides to form a butt joint;

[0020] S4: After laying one end of the side groove, the protective tape is placed outward using a winding device, and the heat dissipation pad is facing inward, and is filled in the cavity between adjacent arc-shaped pads, so that the inner side of the heat dissipation pad is against the heat conducting portion;

[0021] S5: After the protective belt is laid for a certain distance, the positioning rope is released by means of a winding device, and the outer side of the protective belt is pressed against it to shrink it inward to form an arc-shaped groove, so as to squeeze and limit the heat conducting sheet and the protective belt to prevent loosening;

[0022] S6: After the protective belt is squeezed inward, the outer side of the heat conducting part presses against the honeycomb hole to form a limiting protrusion, thereby increasing the contact surface with the honeycomb hole to improve the heat conduction efficiency;

[0023] S7: Finally, the assembled functional area and the core guide area are put into the extruder for coating to form a protective area.

[0024] Beneficial effects of the present invention:

[0025] The present invention arranges a heat conducting sheet to fit the inner layer structure, absorbs the generated heat, and is reabsorbed and converted by the heat conducting part, so that the heat generated during the operation of the cable is diffused outward to avoid accumulation inside to form high temperature, and then uses the heat dissipation pad and the honeycomb holes inside the protective belt to form a heat dissipation channel, so that the heat is further conducted outward and finally released outside the cable, so as to achieve the effect of heat dissipation of the internal conductor core;

[0026] Through the opening of ventilation holes, when heat enters and forms a local area that is not fully dissipated, a heat diffusion channel is formed, so that the heat spreads to the inside of the ventilation hole, and then is absorbed by the honeycomb holes in the part where the heat has been fully dissipated, and subsequent heat diffusion treatment is performed to achieve the effect of efficient heat dissipation, avoiding concentration in one place that affects the heat dissipation efficiency;

[0027] The present invention uses the convex structure of the arc pad and inserts the buffer rib into the interior of the positioning groove. When the protective belt is subjected to external mechanical force or pressure, the heat dissipation pad transmits the force to the arc pad, and then the buffer rib buffers the force to form a sheath-like all-round protection effect, so as to prevent the cable from being damaged by external factors and keep the cable stable in use performance.

[0028] The uniform distribution of honeycomb holes can immediately block the external mechanical force and abrasion force, thus forming a resistance effect to increase the structural stability of the cable, so that the cable can maintain a stable operating state under slight external force.

[0029] The present invention provides a positioning rope, and when the protective belt is wrapped around the outside of the heat conductive plate to form a butt joint, the protective belt is squeezed to form an inwardly contracted arc groove, and then the positioning rope forms a positioning around the protective belt to prevent it from becoming loose. During the production of the cable, the components of the functional area are fixed, achieving the effect of facilitating installation and assisting production. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0031] Figure 1 It is a schematic diagram of the overall appearance structure of the present invention;

[0032] Figure 2 for Figure 1 Schematic diagram of the cable interior and its local enlarged structure;

[0033] Figure 3 for Figure 1 Schematic diagram of the internal planar structure of the cable;

[0034] Figure 4 for Figure 1 Schematic diagram of the structure of the heat conducting sheet part;

[0035] Figure 5 for Figure 1 Schematic diagram of the heat conduction part structure;

[0036] Figure 6 for Figure 1 Schematic diagram of the protection belt structure;

[0037] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0038] In the figure: 1. core guide area; 2. protection area; 3. functional area;

[0039] 101, insulating layer; 102, conductor; 103, shielding layer;

[0040] 201, coating;

[0041] 301, heat conducting sheet; 302, protective belt; 303, positioning rope; 304, heat conducting part;

[0042] 3011, arc pad; 3012, buffer rib; 3013, positioning groove; 3014, elastic strip; 3015, side groove;

[0043] 3021, heat dissipation pad; 3022, ventilation hole; 3023, honeycomb hole; 3024, sealing film; 3025, arc groove;

[0044] 3041. Positioning block; 3042. Limiting protrusion. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] See also Figure 1-6 The present invention provides a polyethylene computer cable and a production process embodiment thereof:

[0047] Reference Figure 1 and Figure 2 as well as Figure 3 A polyethylene computer cable comprises: a core guide area 1 and a protection area 2, a functional area 3 is added between the core guide area 1 and the protection area 2, the protection area 2 comprises a coating layer 201; the core guide area 1 comprises an insulating layer 101, a conductor 102 and a shielding layer 103;

[0048] Functional area 3 includes a heat conductive sheet 301 attached to the outer wall of the shielding layer 103. The heat conductive sheet 301 is installed in a winding manner to form an all-round covering for the shielding layer 103 to absorb the heat generated when the cable is running, ensuring the heat absorption effect and preventing leakage;

[0049] The outer side of the heat conducting sheet 301 is provided with an arc pad 3011 and a buffer rib 3012 for buffering the external mechanical force and pressure. Secondly, the buffer rib 3012 is also used to enhance the structural stability of the cable, effectively preventing deformation and damage of the cable caused by external factors;

[0050] The functional area 3 also includes a protective belt 302 located between the protective area 2 and the heat conducting plate 301. A heat dissipation pad 3021 is provided on the inner side of the protective belt 302. An air flow channel is formed by honeycomb holes 3023 opened inside, so that heat can move outward quickly to promote the internal heat to diffuse outward.

[0051] Reference Figure 2 The functional area 3 also includes a heat conducting portion 304, which is located between the heat conducting sheet 301 and the protective belt 302, and is used to conduct the heat absorbed by the heat conducting sheet 301 to the protective belt 302, and is also used to increase the resistance to external forces.

[0052] Reference Figure 4The outer side of the arc pad 3011 is provided with a positioning groove 3013 for passing the buffer rib 3012, which is located on both sides of the arc pad 3011 and is adjacent to the heat dissipation pad 3021, forming a stepped external force interception effect. The outer side of the positioning groove 3013 is provided with an elastic strip 3014 to resist the buffer rib 3012 to prevent looseness during installation.

[0053] Reference Figure 2 and Figure 3 as well as Figure 4 Side grooves 3015 are provided on both sides of the heat conducting sheet 301 for docking with the positioning blocks 3041 on the inner side thereof when laying the heat conducting part 304, and also for increasing the heat transfer effect.

[0054] Reference Figure 2 and Figure 3 as well as Figure 5 The upper end of the heat conducting portion 304 abuts against the honeycomb hole 3023 to form uniformly distributed limiting protrusions 3042, thereby increasing the contact area with the inner wall of the honeycomb hole 3023, thereby ensuring the stability of the honeycomb structure and increasing the heat transfer area and improving the heat conduction efficiency.

[0055] Reference Figure 2 and Figure 3 as well as Figure 6 The honeycomb holes 3023 are also used to increase the resistance to external mechanical forces and pressure, and protect the structural stability of the cable from deformation and damage caused by external factors.

[0056] Reference Figure 2 and Figure 3 as well as Figure 6 A ventilation hole 3022 is provided inside the heat dissipation pad 3021 to diffuse the accumulated heat outward to increase the heat dissipation area, prevent the heat from being retained in a certain area, and make it automatically flow to the low-temperature area to promote heat diffusion. A sealing film 3024 is provided on the outside of the protective belt 302 to increase the liquid and gas anti-penetration performance.

[0057] Reference Figure 1 and Figure 2 as well as Figure 3 The functional area 3 also includes a positioning rope 303, which is located around the outside of the protective belt 302. At the same time, the positioning rope 303 is squeezed and laid by the outer mechanism of the cable transmission path. After the protective belt 302 is laid, the protective belt 302 is squeezed inward to form an arc groove 3025, which is used to limit the heat conducting plate 301 and the protective belt 302 to facilitate the installation operation.

[0058] Reference Figure 1 and Figure 2 as well as Figure 6 The surface of the sealing film 3024 is also provided with a fire-retardant coating to form a flame-retardant effect on the cable.

[0059] Reference Figures 1 to 6 A production process for a polyethylene computer cable, applied to the above-mentioned polyethylene computer cable, comprises the following steps:

[0060] S1: First, the heat conducting sheet 301, the heat conducting portion 304, the protective tape 302 and the positioning rope 303 are sequentially distributed on the conveying path of the insulating layer 101 by using a winding device;

[0061] S2: After the insulating layer 101 is transported and the shielding layer 103 is laid, the heat conducting sheet 301 is released by a winding device so that it is laid on the outside in a winding manner so that the edges on both sides are in contact with each other, and then the buffer rib 3012 is placed outside again so that it is inserted into the interior of the positioning groove 3013;

[0062] S3: After the heat conductive sheet 301 is laid for a distance, the heat conductive portion 304 is released by means of a winding device so that the positioning block 3041 is plugged into the grooves 3015 on both sides to form a docking;

[0063] S4: After laying a distance in the side groove 3015, the protective tape 302 is released by the winding device, and the heat dissipation pad 3021 faces inward, and fills the cavity between the adjacent arc-shaped pads 3011, so that the inner side of the heat dissipation pad 3021 against the heat conducting portion 304;

[0064] S5: After laying the protective tape 302 for a distance, the positioning rope 303 is released by means of a winding device, and the outer side of the protective tape 302 is pressed against the inner side to form an arc-shaped groove 3025, so as to squeeze the heat conductive sheet 301 and the protective tape 302 to prevent loosening;

[0065] S6: After the protection band 302 is squeezed inward, the outer side of the heat conducting portion 304 presses against the honeycomb hole 3023 to form a limiting protrusion 3042, thereby increasing the contact surface with the honeycomb hole 3023 to improve the heat conduction efficiency;

[0066] S7: Finally, the assembled functional area 3 and the core guide area 1 are put into the extrusion machine for coating operation to form the protection area 2.

[0067] It can be understood that the present invention can form a heat diffusion conduction mechanism inside the cable, so that the heat generated when the cable is running can be released outward at the first time to ensure the stable operation of the cable. At the same time, a protective structure for the cable is formed to prevent damage caused by external factors, resist external wear and mechanical force, so that the cable can maintain a stable use state.

[0068] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "around" and the like indicate orientation or positional relationship, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0069] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A polyethylene computer cable, characterized in that: include: A core guide area (1) and a protection area (2), wherein a functional area (3) is additionally provided between the core guide area (1) and the protection area (2), and the protection area (2) comprises a coating layer (201); The conductor core area (1) comprises an insulating layer (101), a conductor (102) and a shielding layer (103); The functional area (3) comprises a heat conducting sheet (301) attached to the outer wall of the shielding layer (103) to absorb heat generated when the cable is running, and the heat conducting sheet (301) is installed in a winding manner; The outer side of the heat conducting sheet (301) is provided with an arc-shaped pad (3011) and a buffer rib (3012) for buffering external mechanical force and pressure, thereby preventing deformation and damage of the cable caused by external factors; The functional area (3) further comprises a protection belt (302) located between the protection area (2) and the heat conducting sheet (301); a heat dissipation pad (3021) is provided on the inner side of the protection belt (302), and honeycomb holes (3023) are provided inside to promote the diffusion of internal heat outwards; The functional area (3) further comprises a heat conducting portion (304), which is located between the heat conducting sheet (301) and the protective strip (302) and is used for conducting heat absorbed by the heat conducting sheet (301) to the protective strip (302); The upper end of the heat conducting portion (304) abuts against the honeycomb holes (3023) to form evenly distributed limiting protrusions (3042) for improving heat conduction efficiency; The heat dissipation pad (3021) is provided with ventilation holes (3022) inside for diffusing the accumulated heat outward to increase the heat dissipation area, and the outer side of the protective belt (302) is provided with a sealing film (3024) to increase the liquid and gas anti-penetration performance.

2. A polyethylene computer cable according to claim 1, characterized in that: The outer side of the arc-shaped pad (3011) is provided with a positioning groove (3013) through which the buffer rib (3012) is penetrated, and is located on both sides of the arc-shaped pad (3011) adjacent to the heat dissipation pad (3021), and the outer side of the positioning groove (3013) is provided with an elastic strip (3014) that abuts against the buffer rib (3012).

3. A polyethylene computer cable according to claim 1, characterized in that: Side grooves (3015) are provided on both sides of the heat conducting sheet (301) for butting against the positioning blocks (3041) on the inner side thereof when laying the heat conducting portion (304).

4. A polyethylene computer cable according to claim 1, characterized in that: The honeycomb holes (3023) are also used to increase resistance to external mechanical forces and pressure.

5. A polyethylene computer cable according to claim 1, characterized in that: The functional area (3) also includes positioning ropes (303) located around the outer side of the protective belt (302). After the protective belt (302) is laid, the positioning ropes (303) are squeezed and retracted to form arc-shaped grooves (3025) for limiting the position of the heat conducting sheet (301) and the protective belt (302) to facilitate installation operations.

6. A polyethylene computer cable according to claim 1, characterized in that: The surface of the sealing film (3024) is also provided with a fire-retardant coating to create a flame-retardant effect on the cable.

7. A production process for polyethylene computer cables, characterized in that: A polyethylene computer cable as claimed in any one of claims 1 to 6, comprising the following steps: S1: First, a winding device is used to sequentially distribute the heat conducting sheet (301), the heat conducting portion (304), the protective tape (302) and the positioning rope (303) on the conveying path of the insulating layer (101); S2: After the insulating layer (101) is conveyed and the shielding layer (103) is laid, the heat conducting sheet (301) is released by a winding device so that it is laid on the outside in a winding manner so that the edges on both sides are in contact with each other, and then the buffer rib (3012) is placed outside again so that it is inserted into the interior of the positioning groove (3013); S3: After the heat conducting sheet (301) is laid for a certain distance, the heat conducting portion (304) is placed outside using a winding device so that the positioning block (3041) is inserted into the grooves (3015) on both sides to form a butt joint; S4: After laying a certain distance in the side groove (3015), the protective tape (302) is placed outwardly by means of a winding device, and the heat dissipation pad (3021) is directed inwardly and filled in the cavity between adjacent arc-shaped pads (3011), so that the inner side of the heat dissipation pad (3021) abuts against the heat conducting portion (304); S5: After the protective belt (302) is laid for a certain distance, the positioning rope (303) is released by means of a winding device, and the outer side of the protective belt (302) is pressed against the inner side to form an arc groove (3025), so as to squeeze and limit the heat conducting sheet (301) and the protective belt (302) to prevent loosening; S6: After the protective band (302) is squeezed inward, the outer side of the heat conducting portion (304) presses against the honeycomb hole (3023) to form a limiting protrusion (3042), thereby increasing the contact surface with the honeycomb hole (3023) to improve the heat conduction efficiency; S7: Finally, the assembled functional area (3) and the core guide area (1) are put into the extruder for coating to form the protection area (2).

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