CN114242350B - Manufacturing method of high-temperature-resistant photovoltaic cable and cable processing structure - Google Patents
Manufacturing method of high-temperature-resistant photovoltaic cable and cable processing structure Download PDFInfo
- Publication number
- CN114242350B CN114242350B CN202111548662.9A CN202111548662A CN114242350B CN 114242350 B CN114242350 B CN 114242350B CN 202111548662 A CN202111548662 A CN 202111548662A CN 114242350 B CN114242350 B CN 114242350B
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- Prior art keywords
- irradiation
- protection tube
- annular
- cable
- groove
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- 238000004519 manufacturing process Methods 0.000 title abstract description 14
- 238000001125 extrusion Methods 0.000 claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 7
- 230000032683 aging Effects 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 abstract description 3
- 238000005562 fading Methods 0.000 abstract description 2
- 238000013467 fragmentation Methods 0.000 abstract description 2
- 238000006062 fragmentation reaction Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 5
- 230000005855 radiation Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a high-temperature-resistant photovoltaic cable manufacturing method, which comprises the following steps that firstly, a first layer of sheath material is wrapped on a copper wire by adopting extrusion equipment; step two, sending the copper wire wrapped with the first layer of sheath material into irradiation equipment for primary irradiation treatment; step three, sending the material to an extrusion device for wrapping the second layer of sheath material; step four, sending the copper wire subjected to the twice extrusion to irradiation equipment for re-irradiation treatment; and fifthly, conveying the cable subjected to the twice irradiation to cooling equipment for cooling treatment, wherein the sheath subjected to the multiple times of irradiation can resist high-intensity temperature, so that fading, aging and fragmentation are not easy to occur in an illumination environment, and meanwhile, the irradiation structure can enable the cable sheath to be more uniform, comprehensive and consistent in irradiation, the quality of an irradiation process is improved, and the stability of the whole structure of the sheath is improved.
Description
Technical Field
The invention relates to a cable manufacturing structure and a manufacturing method, in particular to a high-temperature-resistant photovoltaic cable manufacturing method and a cable processing structure.
Background
When the photovoltaic cable is exposed to an environment with strong light reflection, the temperature peak value of the photovoltaic cable reaches more than 70 ℃, and half of the insulating sheath is easy to fade, age and even crack at the temperature, so that the irradiation manufacturing method for improving the strength of the protective sheath is required to be provided, and the problems that the irradiation duration and the irradiation area of the cable are uniform and the quality of the protective sheath is ensured to be consistent in the irradiation process are also required to be solved.
Therefore, the conventional cable manufacturing structure and manufacturing method need to be further improved.
Disclosure of Invention
The invention aims to provide a manufacturing method of a high-temperature-resistant photovoltaic cable, which can recombine molecular chains of a sheath material and improve strength.
In order to achieve the above purpose, the present invention adopts the following scheme:
step one, wrapping a copper wire with a first layer of sheath material by adopting extrusion equipment;
step two, sending the copper wire wrapped with the first layer of sheath material into irradiation equipment for primary irradiation treatment;
step three, sending the material to an extrusion device for wrapping the second layer of sheath material;
step four, sending the copper wire subjected to the twice extrusion to irradiation equipment for re-irradiation treatment;
and fifthly, conveying the cable subjected to the twice irradiation to cooling equipment for cooling treatment.
Further, in the step one, the copper wire is a tinned copper wire.
Further, in the step one, the first layer of sheath material is an insulating material.
Further, the second layer of sheath material and the first layer of sheath material are made of polyolefin materials.
The invention aims to provide a cable processing structure which can ensure that the irradiation area and time of a steel wire sheath are more uniform when the steel wire sheath is irradiated, and ensure that the sheath materials are consistent.
In order to achieve the above purpose, the present invention adopts the following scheme:
the device comprises two irradiation devices arranged at intervals, wherein one of the input ends of the irradiation devices is connected with a first extrusion device, the output end of the irradiation device is connected with a second extrusion device, and the other input end of the irradiation device is connected with the second extrusion device, and the output end of the irradiation device is connected with a cooling device.
Further, the irradiation equipment comprises a base, an irradiation protection tube is arranged on the base, an annular rotating assembly is arranged in the irradiation protection tube, an irradiation device is arranged in the annular rotating assembly, a conductive structure is arranged between the irradiation device and the irradiation protection tube, and elastic roller groups are respectively arranged at two ends of the irradiation protection tube.
Further, the annular rotating assembly comprises a motor seat arranged on the outer wall of the irradiation protection tube, a rotating motor is arranged in the motor seat, a driving gear is arranged at the output end of the rotating motor, an annular groove is formed in the inner wall of the irradiation protection tube, a rotating ring is rotatably arranged in the annular groove, a driven gear is arranged on the outer wall of the rotating ring, an opening for the driving gear to extend to one side of the driven gear is formed in one side of the irradiation protection tube, and the driving gear and the driven gear are in meshed transmission.
Further, the irradiation device comprises a strip-shaped plate arranged on the inner wall of the rotary ring, and an irradiation source is arranged on the surface of the strip-shaped plate.
Further, the conductive structure comprises an annular conductive groove arranged in the annular groove, a conductive ring is arranged on one side of the rotary ring, the annular conductive groove is tightly attached to the conductive ring and is electrically connected with the conductive ring, the annular conductive groove is electrically connected with the irradiation source, an electric connection end is arranged on the outer wall of the irradiation protection tube, and the electric connection end is electrically connected with the conductive ring.
Further, the elastic roller set comprises a plurality of sliding seats uniformly distributed around the center of the end of the irradiation protection tube, a sliding groove is formed in the sliding seat, a sliding block is arranged in the sliding groove, a spring body for pressing the sliding block inwards is arranged between the sliding groove and the sliding block, a roller frame is arranged on the sliding block, and an auxiliary roller is arranged in the roller frame.
In summary, compared with the prior art, the invention has the following beneficial effects:
the invention solves the defects of the existing cable manufacturing structure and manufacturing method, and through the structure and the method, the invention has the advantages that the sheath after multiple times of irradiation can resist high-strength temperature, so that fading, aging and fragmentation are not easy to occur in the illumination environment, and meanwhile, the irradiation structure can lead the cable protective sheath to be more uniform, comprehensive and consistent in irradiation, improve the quality of the irradiation process, improve the stability of the integral structure of the protective sheath, and has simple structure and convenient use.
Drawings
FIG. 1 is a schematic diagram of a method of manufacturing a cable structure according to the present invention;
FIG. 2 is a schematic view of the cable irradiation processing structure of the present invention;
FIG. 3 is a schematic view of a cable structure according to the present invention;
FIG. 4 is a perspective view of an irradiation apparatus of the present invention;
FIG. 5 is a front view of an irradiation apparatus of the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5 in accordance with the present invention;
fig. 7 is a cross-sectional view of fig. 6 taken along line B-B in accordance with the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides a method for manufacturing a high temperature resistant photovoltaic cable, comprising the following steps,
step one, wrapping a copper wire 801 with a first layer of sheath material 802 by adopting extrusion equipment;
step two, sending the copper wires 801 wrapped with the first layer of sheath material 802 into irradiation equipment for primary irradiation treatment;
step three, sending the mixture to an extrusion device for wrapping by a second layer of sheath material 803;
step four, sending the copper wire 801 subjected to the twice extrusion to irradiation equipment for re-irradiation treatment;
and fifthly, conveying the cable subjected to the twice irradiation to cooling equipment for cooling treatment.
In the first step of the present invention, the copper wire 801 is a tin-plated copper wire.
In step one of the present invention, the first layer of sheath material 802 is an insulating material.
The second layer of sheath material 803 and the first layer of sheath material 802 are made of polyolefin materials:
by adopting the processing method, the molecular chains of the insulating protective sleeve can be recombined, and the phenomena of fastness, no ageing, no fragility and no cracking are realized under the continuous high-temperature illumination environment (100 ℃); and meanwhile, more than 30% of the detection results are superior to the industry standard.
The cable processing structure comprises two irradiation devices 1 which are arranged at intervals, wherein the input end of one irradiation device 1 is connected with a first extrusion device 2, the output end of the other irradiation device 1 is connected with a second extrusion device 3, the input end of the other irradiation device 1 is connected with the second extrusion device 3, and the output end of the other irradiation device is connected with a cooling device 4;
the cable 8 is made of copper wire 801, a first layer of sheath material 802 and a second layer of sheath material 803;
in the process, the copper wire 801 is wrapped by the first layer of sheath material 802 from the first extrusion device 2, the outer surface of the copper wire 801 is wrapped, then the copper wire is irradiated by the first irradiation device 1, and the first layer of sheath material 802 is irradiated by the irradiation device 1, so that molecular chains are recombined;
after the first irradiation is finished, the material enters the second extrusion equipment 3 to carry out extrusion treatment of the second layer of sheath material 803, and after the second extrusion is finished, the material is sent to another irradiation equipment 1 to carry out irradiation treatment so as to recombine molecular chains;
after the irradiation work is completed, the cable 8 is sent to the cooling equipment 4 for cooling treatment.
The irradiation equipment 1 comprises a base 101, wherein an irradiation protection tube 102 is arranged on the base 101, an annular rotating assembly 103 is arranged in the irradiation protection tube 102, an irradiation device 104 is arranged in the annular rotating assembly 103, a conductive structure 105 is arranged between the irradiation device 104 and the irradiation protection tube 102, and elastic roller groups 106 are respectively arranged at two ends of the irradiation protection tube 102.
The annular rotating assembly 103 comprises a motor base 1031 arranged on the outer wall of a radiation protection tube 102, a rotating motor 1032 is arranged in the motor base 1031, a driving gear 1033 is arranged at the output end of the rotating motor 1032, an annular groove 1034 is arranged on the inner wall of the radiation protection tube 102, a rotating ring 1035 is rotatably arranged in the annular groove 1034, a driven gear 1036 is arranged on the outer wall of the rotating ring 1035, an opening 1037 for extending the driving gear 1033 to the driven gear 1036 is arranged on one side of the radiation protection tube 102, and the driving gear 1033 and the driven gear 1036 are in meshed transmission;
structural principle: the extruded cable is fed from the plurality of elastic roller sets 106, the plurality of elastic roller sets 106 can assist in cable feeding, and meanwhile, the plurality of elastic roller sets 106 can adapt to cable feeding with different diameters, so that the adaptability is stronger;
in the process of conveying the cable 8 through the irradiation protecting tube 102, the annular rotating assembly 103 drives the irradiation device 104 to rotate around the outside of the cable 8, and performs irradiation treatment on the cable 8 material; the irradiation is more uniform and comprehensive;
since the annular rotating assembly 103 is continuously rotating, the power supply problem of the irradiation device 104 is solved by the conductive structure 105.
The irradiation device 104 of the present invention includes a strip plate 1041 disposed on an inner wall of the rotary ring 1035, and an irradiation source 1042 is disposed on a surface of the strip plate 1041.
The conductive structure 105 of the present invention includes an annular conductive groove 1051 disposed in the annular groove 1034, a conductive ring 1052 is disposed on one side of the rotary ring 1035, the annular conductive groove 1051 is closely attached to the conductive ring 1052 and electrically connected to the conductive ring 1052, the annular conductive groove 1051 is electrically connected to the irradiation source 1042, an electrical connection end 1053 is disposed on the outer wall of the irradiation protection tube 102, and the electrical connection end 1053 is electrically connected to the conductive ring 1052.
The elastic roller set 106 comprises a plurality of sliding seats 1061 uniformly distributed around the center of the end part of the irradiation protection tube 102, wherein a sliding groove 1062 is arranged in the sliding seats 1061, a sliding block 1063 is arranged in the sliding groove 1062, a spring body 1064 for pressing the sliding block 1063 inwards is arranged between the sliding groove 1062 and the sliding block 1063, a roller frame 1065 is arranged on the sliding block 1063, and an auxiliary roller 1067 is arranged in the roller frame 1065.
While there has been shown and described what is at present considered to be the fundamental principles and the main features of the invention and the advantages thereof, it will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, but is described in the foregoing description merely illustrates the principles of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as hereinafter claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a cable processing structure which characterized in that: the device comprises two irradiation devices (1) which are arranged at intervals, wherein the input end of one irradiation device (1) is connected with a first extrusion device (2), the output end of the other irradiation device is connected with a second extrusion device (3), the input end of the other irradiation device (1) is connected with the second extrusion device (3), and the output end of the other irradiation device is connected with a cooling device (4);
the irradiation equipment (1) comprises a base (101), wherein an irradiation protection tube (102) is arranged on the base (101), an annular rotating assembly (103) is arranged in the irradiation protection tube (102), an irradiation device (104) is arranged in the annular rotating assembly (103), a conductive structure (105) is arranged between the irradiation device (104) and the irradiation protection tube (102), and elastic roller groups (106) are respectively arranged at two ends of the irradiation protection tube (102);
the annular rotating assembly (103) comprises a motor base (1031) arranged on the outer wall of the irradiation protection tube (102), a rotating motor (1032) is arranged in the motor base (1031), a driving gear (1033) is arranged at the output end of the rotating motor (1032), an annular groove (1034) is formed in the inner wall of the irradiation protection tube (102), a rotating ring (1035) is arranged in the annular groove (1034) in a rotating mode, a driven gear (1036) is arranged on the outer wall of the rotating ring (1035), an opening (1037) used for enabling the driving gear (1033) to extend to one side of the driven gear (1036) is formed in one side of the irradiation protection tube (102), and the driving gear (1033) and the driven gear (1036) are in meshed transmission.
2. A cable processing structure according to claim 1, wherein: the irradiation device (104) comprises a strip-shaped plate (1041) arranged on the inner wall of the rotary ring (1035), and an irradiation source (1042) is arranged on the surface of the strip-shaped plate (1041).
3. A cable processing structure according to claim 2, characterized in that: the conductive structure (105) comprises an annular conductive groove (1051) arranged in the annular groove (1034), a conductive ring (1052) is arranged on one side of the rotary ring (1035), the annular conductive groove (1051) is tightly attached to the conductive ring (1052) and is electrically connected, the annular conductive groove (1051) is electrically connected with the irradiation source (1042), an electric connection end (1053) is arranged on the outer wall of the irradiation protection tube (102), and the electric connection end (1053) is electrically connected with the conductive ring (1052).
4. A cable processing structure according to claim 3, wherein: the elastic roller set (106) comprises a plurality of sliding seats (1061) which surround the center of the end part of the irradiation protection tube (102), a sliding groove (1062) is formed in the sliding seat (1061), a sliding block (1063) is arranged in the sliding groove (1062), a spring body (1064) used for pressing the sliding block (1063) inwards is arranged between the sliding groove (1062) and the sliding block (1063), a roller frame (1065) is arranged on the sliding block (1063), and an auxiliary roller (1067) is arranged in the roller frame (1065).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111548662.9A CN114242350B (en) | 2021-12-17 | 2021-12-17 | Manufacturing method of high-temperature-resistant photovoltaic cable and cable processing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111548662.9A CN114242350B (en) | 2021-12-17 | 2021-12-17 | Manufacturing method of high-temperature-resistant photovoltaic cable and cable processing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114242350A CN114242350A (en) | 2022-03-25 |
| CN114242350B true CN114242350B (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111548662.9A Active CN114242350B (en) | 2021-12-17 | 2021-12-17 | Manufacturing method of high-temperature-resistant photovoltaic cable and cable processing structure |
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| Country | Link |
|---|---|
| CN (1) | CN114242350B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117095872B (en) * | 2023-09-06 | 2024-04-19 | 江苏星基智能装备有限公司 | Integrated production line for tandem extrusion irradiation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000322945A (en) * | 1999-05-10 | 2000-11-24 | Hitachi Cable Ltd | Self-supporting type cable and its manufacture |
| CN106887276A (en) * | 2017-03-17 | 2017-06-23 | 宁夏中盛电缆技术有限公司 | Double-layer insulation sheath readily releasable photovoltaic cable |
| CN112216426A (en) * | 2020-10-12 | 2021-01-12 | 安徽蒙特尔电缆集团有限公司 | Irradiation crosslinking polyolefin insulation photovoltaic cable |
| CN113192706A (en) * | 2021-04-25 | 2021-07-30 | 华远高科电缆有限公司 | Double-layer co-extrusion insulation irradiation cross-linking flame-retardant long-life power cable |
-
2021
- 2021-12-17 CN CN202111548662.9A patent/CN114242350B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000322945A (en) * | 1999-05-10 | 2000-11-24 | Hitachi Cable Ltd | Self-supporting type cable and its manufacture |
| CN106887276A (en) * | 2017-03-17 | 2017-06-23 | 宁夏中盛电缆技术有限公司 | Double-layer insulation sheath readily releasable photovoltaic cable |
| CN112216426A (en) * | 2020-10-12 | 2021-01-12 | 安徽蒙特尔电缆集团有限公司 | Irradiation crosslinking polyolefin insulation photovoltaic cable |
| CN113192706A (en) * | 2021-04-25 | 2021-07-30 | 华远高科电缆有限公司 | Double-layer co-extrusion insulation irradiation cross-linking flame-retardant long-life power cable |
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| CN114242350A (en) | 2022-03-25 |
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