CN116189987A - Anti-aging photovoltaic cable and preparation method thereof - Google Patents

Abstract

The invention is applicable to the relevant technical field of cable processing, and provides an anti-aging photovoltaic cable and a preparation method thereof, wherein the anti-aging photovoltaic cable is prepared through the following steps: the method comprises the steps of twisting a plurality of conductor wires together through a twisting machine, coating a water-resistant layer on the outer side of the conductor wires through an extruder to form an inner wire core, coating a tensile filling layer on the outer side of the inner wire core, coating an anti-aging layer on the outer side of the tensile filling layer, processing a tensile groove and elastic teeth in the anti-aging layer before coating, coating an insulating layer on the outer side of the anti-aging layer to obtain a cable body, enabling the cable body to pass through cooling equipment, cooling and forming the cable body through the cooling equipment, performing surface coating operation on the formed cable body, and winding through winding equipment.

Description

Anti-aging photovoltaic cable and preparation method thereof

Technical Field

The invention belongs to the technical field related to cable processing, and particularly relates to an anti-aging photovoltaic cable and a preparation method thereof.

Background

The electric wire and cable are materials for power, communication and related purposes, and with the rapid development of society, the electric wire and cable are widely applied to various fields of transportation, communication, construction and the like, so that the electric wire and cable must have excellent long-term heat resistance, ageing resistance, irradiation resistance, excellent flame retardance and insulativity, and in vast cities and rural areas of China, most of the electric wire and cable is erected outdoors and bears the difficult tasks of power transportation and transmission. The existing heat-resistant cable generally comprises a conductor wire, an inner sheath layer and an outer sheath layer, wherein the sheath is made of flame-retardant PVC (polyvinyl chloride) materials, and if the surrounding environment is severe, the cable is likely to be corroded by greasy dirt or acid and alkali substances besides being subjected to the test of frost, rain and snow.

The applicant finds a Chinese patent with the name of compression-resistant and anti-aging cable and a preparation method thereof, wherein the Chinese patent with the name of CN115691871A is characterized in that a framework net layer is designed by adopting a support rod and a compression-resistant plate, so that the compression-resistant net can be fixed at the center of a jacket, the support rod and the compression-resistant plate can be attached to the outer side of a wrapping belt in a ring-shaped manner by winding, and can effectively support the compression-resistant net, and when the jacket is extruded, the compression-resistant net and the compression-resistant plate can effectively support, thereby improving the integral compression strength; however, when the device is actually used, the defects are existed, after the cable is processed, the cable needs to be cooled so as to be wound, when the existing cooling device is used for cooling the cable, the cooling liquid is sprayed to the cable to cool the cable, the cooling liquid is adhered to the cable after the cooling, the cooling liquid cannot be completely removed by the existing cooling equipment, adverse effects can be caused on the wound cable, and based on the defects, an anti-aging photovoltaic cable capable of solving the problems is provided.

Disclosure of Invention

The invention provides an anti-aging photovoltaic cable and a preparation method thereof, and aims to solve the problems that after the cable is processed, the cable needs to be cooled so as to be wound, when the cable is cooled by the existing cooling device, cooling liquid is sprayed to the cable to cool the cable, the cooling liquid is adhered to the cable after the cable is cooled, the cooling liquid cannot be removed comprehensively by the existing cooling device, and adverse effects are caused on the wound cable.

The anti-aging photovoltaic cable comprises a plurality of conductor wires, wherein a water-blocking layer is arranged on the outer sides of the conductor wires, a tensile filling layer is coated on the outer sides of the water-blocking layer, an anti-aging layer is coated on the outer sides of the tensile filling layer, an insulating layer is coated on the outer sides of the anti-aging layer, a plurality of anti-pulling grooves are formed in the anti-aging layer, and a plurality of groups of symmetrically arranged elastic teeth in array distribution are fixedly connected in the anti-pulling grooves.

Preferably, the preparation method of the anti-aging photovoltaic cable comprises the following steps of: the method comprises the steps of twisting a plurality of conductor wires together through a twisting machine, coating a water-resistant layer on the outer sides of the conductor wires through an extruder to form an inner wire core, coating a tensile filling layer on the outer sides of the inner wire core, coating an anti-aging layer on the outer sides of the tensile filling layer, processing a tensile groove and elastic teeth in the anti-aging layer before coating, coating an insulating layer on the outer sides of the anti-aging layer to obtain a cable body, enabling the cable body to pass through cooling equipment, cooling and forming the cable body through the cooling equipment, carrying out surface coating operation on the formed cable body, and carrying out winding through winding equipment.

Preferably, the cooling device comprises a bottom plate, two symmetrically arranged support side plates are fixedly connected to the bottom plate, a cooling box body is fixedly connected between the support side plates, guide units are arranged on the support side plates in a matched mode, a cooling unit is arranged on the cooling box body and the bottom plate in a matched mode, and a liquid scraping unit is further arranged in the cooling box body.

Preferably, the guide unit comprises a plurality of guide blocks distributed in a circumferential array, through holes are formed in the support side plates, a plurality of first clamping grooves corresponding to the guide blocks one by one are formed in the side surfaces of the through holes, the guide blocks are connected with the first clamping grooves through first springs for providing elastic force, guide rollers are connected in the guide blocks through rotating shafts, and guide rods are fixedly connected between each guide block in each group which is symmetrically arranged.

Preferably, the cooling unit comprises a liquid collecting box fixedly connected to the bottom plate, the liquid collecting box is in through connection with the cooling box body, a circulating pump is fixedly connected to the bottom plate, a liquid inlet end of the circulating pump is connected with the liquid collecting box through a first connecting pipe, a water outlet end of the circulating pump is connected with the cooling box body through a second connecting pipe, a plurality of annular pipes are fixedly connected to the cooling box body, the annular pipes are communicated with the second connecting pipe, a plurality of third connecting pipes distributed in a circumferential array are fixedly connected to the annular pipes, the end parts of the third connecting pipes are connected with a fourth connecting pipe, and a plurality of liquid outlets distributed in an array are arranged on the fourth connecting pipe.

Preferably, the liquid scraping unit comprises a plurality of connecting rings fixedly connected to the side face of the cooling box body, the connecting rings are all arranged on the side close to the left side of the supporting side plate, a plurality of annular liquid scraping outer rods are fixedly connected to the connecting rings, the liquid scraping outer rods are arranged far and near, second clamping grooves are formed in the liquid scraping outer rods, inner liquid scraping rods are arranged in the liquid scraping outer rods in an inserted mode, clamping plates are fixedly connected to the end portions of the inner liquid scraping rods, the side faces of the clamping plates are connected with the second clamping grooves through second springs used for providing elastic force, liquid scraping plates are fixedly connected to the end portions of the inner liquid scraping rods, and liquid scraping sponges are fixedly connected to the side faces of the liquid scraping plates.

Preferably, the right side support side plate is provided with a feeding unit.

Preferably, the feeding unit comprises two first connecting plates which are fixedly connected to the supporting side plates and symmetrically arranged, one of the first connecting plates is fixedly connected with a feeding motor, the output end of the feeding motor is fixedly connected with a feeding rotary drum, the side face of the feeding rotary drum is fixedly connected with conveying teeth distributed in an array, the supporting side plates are fixedly connected with a second connecting plate, the upper ends of the second connecting plates are connected with a feeding supporting plate through gas springs, and the feeding supporting plate is provided with a feeding groove.

Compared with the prior art, the embodiment of the application has the following main beneficial effects:

1. through the arrangement of the guide unit and the feeding unit, the feeding motor rotates to drive the feeding rotary drum to rotate, the cable is driven to be conveyed under the drive of the conveying teeth, cables with different diameters can be conveyed by matching with the arrangement of the guide block and the first spring, and the arrangement of the guide rod can ensure smooth conveying of the cables;

2. through the arrangement of the cooling unit, when the cable is conveyed to the inside of the connecting ring, under the action of the second spring, the cooling liquid on the cable is removed by the scraping sponge connected to the scraping plate, and the cable can be subjected to multi-level scraping operation due to the arrangement of the scraping sponge from far to near, so that the cooling liquid is scraped more thoroughly;

3. through the setting of scraping liquid unit, when the cable transport set up the go-between inside, under the effect of second spring, the cooling liquid on the cable is got rid of to the liquid sponge of scraping that connects on the liquid board, because of the far and near setting of liquid sponge of scraping, can carry out multi-level liquid operation of scraping to the cable, it is more thorough to scrape the cooling liquid.

Drawings

Fig. 1 is a schematic structural diagram of an anti-aging photovoltaic cable provided by the invention;

fig. 2 is a schematic structural diagram II of an anti-aging photovoltaic cable provided by the invention;

fig. 3 is a schematic structural diagram of a cooling device in the preparation method of an anti-aging photovoltaic cable according to the present invention;

fig. 4 is a schematic diagram II of a cooling device in the preparation method of the anti-aging photovoltaic cable;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4A;

fig. 6 is a schematic diagram of a part of a structure of a guide unit in a cooling device in the preparation method of an anti-aging photovoltaic cable provided by the invention;

fig. 7 is a schematic diagram III of a cooling device in the preparation method of the anti-aging photovoltaic cable;

FIG. 8 is an enlarged schematic view of the structure at B in FIG. 7;

fig. 9 is a schematic structural diagram of a liquid scraping unit in the preparation method of the anti-aging photovoltaic cable;

fig. 10 is a schematic diagram II of a liquid scraping unit in the preparation method of the anti-aging photovoltaic cable;

fig. 11 is a schematic diagram III of a liquid scraping unit in the preparation method of the anti-aging photovoltaic cable.

Reference numerals annotate: 100. a conductor wire; 200. a water blocking layer; 300. a tensile filler layer; 400. an anti-aging layer; 500. an insulating layer; 600. a pull-resistant groove; 700. elastic teeth; 8. a bottom plate; 9. supporting the side plates; 10. cooling the box body; 111. a guide block; 112. a through hole; 113. a first clamping groove; 114. a first spring; 115. a rotating shaft; 116. a guide roller; 117. a guide rod; 121. a liquid collecting box; 122. a circulation pump; 123. a first connection pipe; 124. a second connection pipe; 125. an annular tube; 126. a third connection pipe; 127. a fourth connection pipe; 128. a liquid outlet; 131. a connecting ring; 132. a liquid scraping outer rod; 133. a second clamping groove; 134. a liquid scraping inner rod; 135. a clamping plate; 136. a second spring; 137. a liquid scraping plate; 138. a liquid scraping sponge; 141. a first connection plate; 142. a feed motor; 143. a feed drum; 144. a conveying tooth; 145. a second connecting plate; 146. a gas spring; 147. a feed support plate; 148. a feed tank.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

Example 1

The embodiment of the invention provides an anti-aging photovoltaic cable, as shown in fig. 1-11, which comprises a plurality of conductor wires 100, wherein a water blocking layer 200 is arranged on the outer sides of the conductor wires 100, a tensile filling layer 300 is coated on the outer sides of the water blocking layer 200, an anti-aging layer 400 is coated on the outer sides of the tensile filling layer 300, an insulating layer 500 is coated on the outer sides of the anti-aging layer 400, a plurality of anti-pulling grooves 600 are formed in the anti-aging layer 400, and a plurality of groups of symmetrically arranged elastic teeth 700 in array are fixedly connected in the anti-pulling grooves 600.

The preparation method of the anti-aging photovoltaic cable comprises the following steps of: the method comprises the steps of twisting a plurality of conductor wires 100 together through a twisting machine, coating a water-resistant layer 200 on the outer side of the conductor wires 100 through an extruder to form an inner wire core, coating a tensile filling layer 300 on the outer side of the inner wire core, coating an anti-aging layer 400 on the outer side of the tensile filling layer 300, processing a tensile groove 600 and elastic teeth 700 in the anti-aging layer 400 before coating, coating an insulating layer 500 on the outer side of the anti-aging layer 400 to obtain a cable body, enabling the cable body to pass through cooling equipment, cooling and forming the cable body through the cooling equipment, carrying out surface coating operation on the formed cable body, and carrying out winding through winding equipment.

Example 2

Referring to fig. 3 and fig. 4, in this embodiment, on the basis of embodiment 1, the cooling device includes a bottom plate 8, two symmetrically disposed support side plates 9 are fixedly connected to the bottom plate 8, a cooling box 10 is fixedly connected between the support side plates 9, two guide units are disposed on the support side plates 9 in a matching manner, a cooling unit is disposed on the cooling box 10 and the bottom plate 8 in a matching manner, and a liquid scraping unit is disposed in the cooling box 10.

When the device is actually used, cables with different diameters are conveyed through the guide unit, the cooling unit cools the cables, and liquid on the surface of the cables is scraped under the action of the liquid scraping unit, so that the cables are wound conveniently.

Example 3

In this embodiment, on the basis of embodiment 2, the right side of the supporting side plate 9 is provided with a feeding unit, as shown in fig. 5 and 6.

The feeding unit comprises two first connecting plates 141 which are fixedly connected to the supporting side plate 9 and symmetrically arranged, one of the first connecting plates 141 is fixedly connected with a feeding motor 142, the output end of the feeding motor 142 is fixedly connected with a feeding rotary drum 143, the side surface of the feeding rotary drum 143 is fixedly connected with conveying teeth 144 distributed in an array manner, the supporting side plate 9 is fixedly connected with a second connecting plate 145, the upper end of the second connecting plate 145 is connected with a feeding supporting plate 147 through a gas spring 146, and the feeding supporting plate 147 is provided with a feeding groove 148

The guide unit comprises a plurality of guide blocks 111 distributed in a circumferential array, through holes 112 are formed in the support side plates 9, a plurality of first clamping grooves 113 corresponding to the guide blocks 111 one by one are formed in the side surfaces of the through holes 112, the guide blocks 111 are connected with the first clamping grooves 113 through first springs 114 for providing elastic force, guide rollers 116 are connected in the guide blocks 111 through rotating shafts 115, and guide rods 117 are fixedly connected between each group of the guide blocks 111, wherein the guide rollers are symmetrically arranged.

Above-mentioned feeding unit with during guide unit in-service use, feed motor 142 rotates and drives feeding rotary drum 143 and rotate, drives the cable and carries under the drive of carrying tooth 144, and the cable of different diameters can be carried in cooperation with the setting of guide block 111 and first spring 114, and the smooth-going of cable can be guaranteed in the setting of guide bar 117.

Example 3

Referring to fig. 8, in this embodiment, on the basis of embodiment 2, the cooling unit includes a header tank 121 fixedly connected to the bottom plate 8, the header tank 121 is in through connection with the cooling tank 10, a circulation pump 122 is fixedly connected to the bottom plate 8, a liquid inlet end of the circulation pump 122 is connected to the header tank 121 through a first connecting pipe 123, a water outlet end of the circulation pump 122 is connected to the cooling tank 10 through a second connecting pipe 124, a plurality of annular pipes 125 are fixedly connected to the cooling tank 10, the annular pipes 125 are all communicated with the second connecting pipe 124, a plurality of third connecting pipes 126 distributed in circumferential arrays are fixedly connected to the annular pipes 125, an end of each third connecting pipe 126 is connected to a fourth connecting pipe 127, and a plurality of liquid outlets 128 distributed in arrays are provided on the fourth connecting pipe 127.

When the cooling unit is actually used, the circulation pump 122 sprays the cooling liquid in the cooling box 10 through the first connecting pipe 123, the second connecting pipe 124, the annular pipe 125 and the third connecting pipe 126 via the liquid outlet 128, cools the cable, drops the cooling liquid into the cooling box 10, and circulates by the circulation pump 122.

Example 4

Referring to fig. 9, fig. 10 and fig. 11, in this embodiment, on the basis of embodiment 3, the liquid scraping unit includes a plurality of connecting rings 131 fixedly connected to the side of the cooling box 10, a plurality of connecting rings 131 are all disposed on a side close to the left side of the supporting side plate 9, a plurality of annular liquid scraping outer rods 132 are fixedly connected to the connecting rings 131, a plurality of liquid scraping outer rods 132 are disposed from far to near, a plurality of second clamping grooves 133 are formed in the liquid scraping outer rods 132, a liquid scraping inner rod 134 is inserted into the liquid scraping outer rods 132, a clamping plate 135 is fixedly connected to the end of the liquid scraping inner rod 134, a liquid scraping plate 137 is fixedly connected to the end of the liquid scraping inner rod 134, and a liquid scraping sponge 138 is fixedly connected to the side of the liquid scraping plate 137.

When the above-mentioned liquid unit in-service use is scraped to the cable transportation when setting up go-between 131 inside, under the effect of second spring 136, scrape the liquid sponge 138 of scraping that is connected on the liquid board 137 and get rid of the coolant liquid on the cable, because of the setting of scraping the liquid sponge 138 by far and near, can carry out multi-level liquid operation of scraping to the cable, it is more thorough to scrape the coolant liquid.

In summary, the working principle of the invention is as follows: the cables with different diameters are conveyed through the guide unit, the cooling unit cools the cables, and liquid on the surfaces of the cables is scraped under the action of the liquid scraping unit, so that the cables are wound conveniently; the feeding motor 142 rotates to drive the feeding rotary drum 143 to rotate, the cables are driven to be conveyed under the drive of the conveying teeth 144, cables with different diameters can be conveyed by matching with the arrangement of the guide block 111 and the first spring 114, and the arrangement of the guide rod 117 can ensure smooth conveying of the cables; the circulation pump 122 sprays the cooling liquid in the cooling box 10 through the first connecting pipe 123, the second connecting pipe 124, the annular pipe 125 and the third connecting pipe 126 via the liquid outlet 128, cools the cable, drops the cooling liquid into the cooling box 10, and circulates by the circulation pump 122; when the cable is conveyed to the inside of the connecting ring 131, under the action of the second spring 136, the cooling liquid on the cable is removed by the scraping sponge 138 connected to the scraping plate 137, and the cable can be scraped in a multi-level manner due to the far-near arrangement of the scraping sponge 138, so that the cooling liquid is scraped more thoroughly.

The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims (8)

1. The utility model provides an ageing resistance photovoltaic cable, its characterized in that includes a plurality of conductor lines (100), a plurality of the outside of conductor lines (100) is provided with water-blocking layer (200), the outside cladding of water-blocking layer (200) has tensile filling layer (300), the outside cladding of tensile filling layer (300) has ageing resistant layer (400), the outside cladding of ageing resistant layer (400) has insulating layer (500), a plurality of anti-draw-in grooves (600) have been seted up in ageing resistant layer (400), a plurality of all fixedly connected with multiunit symmetry array distribution's elastic tooth (700) in anti-draw-in groove (600).

2. The method for preparing the anti-aging photovoltaic cable according to claim 1, wherein the anti-aging photovoltaic cable is prepared by the following steps: the method comprises the steps of twisting a plurality of conductor wires (100) together through a twisting machine, coating a water-resistant layer (200) on the outer side of the conductor wires (100) through an extruder to form an inner wire core, coating a tensile filling layer (300) on the outer side of the inner wire core, coating an anti-aging layer (400) on the outer side of the tensile filling layer (300), processing a tensile groove (600) and elastic teeth (700) in the anti-aging layer (400) before coating, coating an insulating layer (500) on the outer side of the anti-aging layer (400) to obtain a cable body, enabling the cable body to pass through cooling equipment, cooling and forming the cable body through the cooling equipment, carrying out surface coating operation on the formed cable body, and carrying out winding through winding equipment.

3. The preparation method of the anti-aging photovoltaic cable according to claim 1, wherein the cooling equipment comprises a bottom plate (8), two symmetrically arranged supporting side plates (9) are fixedly connected to the bottom plate (8), a cooling box body (10) is fixedly connected between the supporting side plates (9), guide units are matched and arranged on the two supporting side plates (9), cooling units are matched and arranged on the cooling box body (10) and the bottom plate (8), and a liquid scraping unit is further arranged in the cooling box body (10).

4. A method for manufacturing an anti-aging photovoltaic cable according to claim 3, wherein the guiding unit comprises a plurality of guiding blocks (111) distributed in a circumferential array, through holes (112) are formed in the supporting side plates (9), a plurality of first clamping grooves (113) corresponding to the guiding blocks (111) one by one are formed in the side surfaces of the through holes (112), the guiding blocks (111) are connected with the first clamping grooves (113) through first springs (114) for providing elastic force, guiding rollers (116) are connected in the guiding blocks (111) through rotating shafts (115), and guiding rods (117) are fixedly connected between each group of symmetrically arranged guiding blocks (111).

5. A method for preparing an anti-aging photovoltaic cable according to claim 3, wherein the cooling unit comprises a liquid collecting tank (121) fixedly connected to a bottom plate (8), the liquid collecting tank (121) is in through connection with the cooling tank (10), a circulating pump (122) is fixedly connected to the bottom plate (8), a liquid inlet end of the circulating pump (122) is connected with the liquid collecting tank (121) through a first connecting pipe (123), a water outlet end of the circulating pump (122) is connected with the cooling tank (10) through a second connecting pipe (124), a plurality of annular pipes (125) are fixedly connected in the cooling tank (10), a plurality of annular pipes (125) are all communicated with the second connecting pipe (124), a plurality of third connecting pipes (126) distributed in a circumferential array are fixedly connected to the annular pipes (125), an end part of each third connecting pipe (126) is connected with a fourth connecting pipe (127), and a plurality of liquid outlets (128) distributed in an array are arranged on the fourth connecting pipe (127).

6. The method for preparing the anti-aging photovoltaic cable according to claim 5, wherein the liquid scraping unit comprises a plurality of connecting rings (131) fixedly connected to the side surface of the cooling box body (10), the connecting rings (131) are all arranged on one side close to the left supporting side plate (9), a plurality of annularly arranged liquid scraping outer rods (132) are fixedly connected in the connecting rings (131), a plurality of liquid scraping outer rods (132) are arranged from far to near, second clamping grooves (133) are formed in the liquid scraping outer rods (132), a liquid scraping inner rod (134) is inserted in the liquid scraping outer rods (132), clamping plates (135) are fixedly connected to the end parts of the liquid scraping inner rods (134), the side surfaces of the clamping plates (135) are connected with second clamping grooves (133) through second springs (136) for providing elastic force, liquid scraping plates (137) are fixedly connected to the end parts of the liquid scraping inner rods (134), and sponge (138) are fixedly connected to the side surfaces of the liquid scraping plates (137).

7. The method for producing an anti-aging photovoltaic cable according to claim 1, characterized in that the supporting side plate (9) on the right side is provided with a feed unit.

8. The method for preparing the anti-aging photovoltaic cable according to claim 7, wherein the feeding unit comprises two first connecting plates (141) which are fixedly connected to the supporting side plates (9) and are symmetrically arranged, one of the first connecting plates (141) is fixedly connected with a feeding motor (142), the output end of the feeding motor (142) is fixedly connected with a feeding rotary drum (143), the side surface of the feeding rotary drum (143) is fixedly connected with conveying teeth (144) distributed in an array manner, the supporting side plates (9) are fixedly connected with a second connecting plate (145), the upper ends of the second connecting plates (145) are connected with a feeding supporting plate (147) through gas springs (146), and the feeding supporting plate (147) is provided with a feeding groove (148).

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