CN220252867U - Photovoltaic direct current cable - Google Patents
Photovoltaic direct current cable Download PDFInfo
- Publication number
- CN220252867U CN220252867U CN202321006554.3U CN202321006554U CN220252867U CN 220252867 U CN220252867 U CN 220252867U CN 202321006554 U CN202321006554 U CN 202321006554U CN 220252867 U CN220252867 U CN 220252867U
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- CN
- China
- Prior art keywords
- wall
- layer
- cable
- flame retardant
- photovoltaic
- Prior art date
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- 238000005192 partition Methods 0.000 claims abstract description 21
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 239000010410 layer Substances 0.000 claims description 65
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 29
- 239000003063 flame retardant Substances 0.000 claims description 28
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 9
- 239000011241 protective layer Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000002274 desiccant Substances 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 4
- 239000004709 Chlorinated polyethylene Substances 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 3
- 239000000347 magnesium hydroxide Substances 0.000 claims description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000002708 enhancing effect Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Details Of Indoor Wiring (AREA)
Abstract
The utility model belongs to the technical field of cables, and particularly relates to a photovoltaic direct current cable, which comprises a fire-resistant layer, wherein a reinforcing part is arranged in the fire-resistant layer, the reinforcing part comprises a through pipe, the through pipe is positioned in the center of the fire-resistant layer, the inner wall of the fire-resistant layer is fixedly connected with a connecting plate, a partition plate is fixedly connected between the outer wall of the through pipe and the inner wall of the connecting plate, an air hole is formed in the partition plate, an insulating transmission part is arranged between the partition plate and the inner wall of the fire-resistant layer, the insulating transmission part comprises a cable core, the outer wall of the cable core is coated with a first shielding layer, the outer wall of the first shielding layer is coated with a second shielding layer, the outer wall of the second shielding layer is coated with an insulating layer, and the outer wall of the insulating layer is clung to the inner wall of the fire-resistant layer and the partition plate. The reinforcing component provided by the utility model can protect the cable core inside from being damaged due to extrusion when the cable core is extruded, so that the mechanical property of the cable core is improved, the service life is prolonged, and the shielding performance and the fireproof performance are further improved.
Description
Technical Field
The utility model belongs to the technical field of cables, and particularly relates to a photovoltaic direct-current cable.
Background
At present, the solar photovoltaic cable is used as a necessary matching product of a photovoltaic power generation system and is comprehensively applied. The solar photovoltaic cable is mainly used for power transmission between solar energy collection and application equipment, and has the characteristics of ultraviolet resistance, oil resistance, heat aging resistance, corrosion resistance, no halogen, low smoke and the like.
The environment of solar photovoltaic cable application is comparatively complicated, under abominable environment, has certain requirement to solar photovoltaic cable's mechanical properties, and solar photovoltaic cable's compressive property among the prior art is not enough, has influenced life, and shielding property and fire behavior need further improve.
Disclosure of Invention
The utility model aims to provide a photovoltaic direct current cable, when the photovoltaic direct current cable is extruded, the reinforcing part can protect the cable core inside from being damaged due to extrusion, so that the mechanical property of the photovoltaic direct current cable is improved, and the service life of the photovoltaic direct current cable is prolonged.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a photovoltaic direct current cable, including the flame retardant coating, the inside of flame retardant coating is provided with reinforcing part, reinforcing part includes the siphunculus, the siphunculus is located the inside center of flame retardant coating, the inner wall fixedly connected with connecting plate of flame retardant coating, the outer wall of siphunculus with fixedly connected with baffle between the inside wall of connecting plate, be provided with the bleeder vent on the baffle, the baffle with be provided with insulating transfer member between the flame retardant coating inner wall.
Optionally, the outer wall of the fire-resistant layer is coated with a protective layer, the fire-resistant layer is made of silicon dioxide material, and the protective layer is made of chlorinated polyethylene material.
Optionally, the interior of the tube is filled with a desiccant.
Optionally, the number of the connecting plates and the number of the partition plates are three, and the three connecting plates and the three partition plates are uniformly arranged between the outer wall of the through pipe and the inner wall of the refractory layer.
Optionally, the insulating transmission part includes the cable core, the outer wall cladding of cable core has first shielding layer, the outer wall cladding of first shielding layer has the second shielding layer, the outer wall cladding of second shielding layer has the insulating layer, the outer wall of insulating layer with the inner wall of flame retardant coating with the baffle is hugged closely.
Optionally, the insulating layer is made of polyethylene material, and the first shielding layer and the second shielding layer are made of copper material.
Optionally, the number of the insulating transmission members is three, and the three insulating transmission members are uniformly arranged between the partition plate and the inner wall of the refractory layer.
Optionally, a flame retardant is filled among the separator, the insulating layer and the inner wall of the flame retardant layer, and the flame retardant is made of magnesium hydroxide.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model is provided with the reinforcing component, and the partition plate and the connecting plate are arranged between the outer wall of the through pipe and the inner wall of the refractory layer, so that the inside of the utility model is provided with the cavity, the ventilation holes are used for enhancing the fluidity of the inside of the utility model, the excessive temperature is avoided, and when the utility model is extruded, the reinforcing component prevents the cable core in the inside from being damaged due to extrusion, thereby improving the mechanical property of the utility model and prolonging the service life.
2. The utility model is provided with a fire resistant layer, an insulating transfer member and a flame retardant. When a fire disaster occurs, the fire resistant layer can enable the utility model to continue to operate, valuable time is provided for personnel evacuation, rescue and rush repair; the first shielding layer and the second shielding layer are arranged, and the double-layer shielding layer enables the shielding effect to be better; the fire retardant can reduce the damage of fire disaster to the utility model, and further improves the shielding performance and the fireproof performance of the utility model.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a partial cross-sectional view of the structure of the present utility model;
FIG. 3 is a front elevational view of the overall structure of the present utility model;
fig. 4 is a schematic structural view of the reinforcing member of the present utility model.
In the figure: 100. a refractory layer; 200. a reinforcing member; 210. a through pipe; 220. a connecting plate; 230. a partition plate; 240. ventilation holes; 300. an insulating transmission member; 310. a cable core; 320. a first shielding layer; 330. a second shielding layer; 340. an insulating layer; 400. a protective layer; 500. a drying agent; 600. a flame retardant.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 to 4, a photovoltaic dc cable provided by an embodiment of the present utility model will now be described. A photovoltaic direct current cable comprising a fire resistant layer 100, a reinforcing member 200, an insulating transfer member 300, a protective layer 400, a desiccant 500 and a flame retardant 600.
The fire-resistant layer 100 is used for enhancing the fire resistance of the utility model, specifically, the fire-resistant layer 100 is made of silicon dioxide, and when a fire disaster occurs, the fire-resistant layer 100 can enable the cable to continue to operate, thereby providing valuable time for personnel evacuation, rescue and repair.
The reinforcing member 200 is used for enhancing the mechanical properties of the cable, specifically, the reinforcing member 200 comprises a through pipe 210, the through pipe 210 is positioned at the inner center of the fire-resistant layer 100, the inner wall of the fire-resistant layer 100 is fixedly connected with a connecting plate 220, a partition 230 is fixedly connected between the outer wall of the through pipe 210 and the inner side wall of the connecting plate 220, ventilation holes 240 are formed in the partition 230, the number of the connecting plate 220 and the partition 230 is three, the three connecting plates 220 and the three partition 230 are uniformly arranged between the outer wall of the through pipe 210 and the inner wall of the fire-resistant layer 100, and when the cable is extruded, the partition 230 and the connecting plate 220 are arranged between the outer wall of the through pipe 210 and the inner wall of the fire-resistant layer 100, so that the cable core 310 inside can be protected from being damaged due to extrusion, the mechanical properties of the cable are improved, the service life is prolonged, the ventilation holes 240 are used for enhancing the fluidity of the cable and the cable is prevented from being excessively high.
The insulating transmission component 300 is used for transmitting information, specifically, the insulating transmission component 300 includes a cable core 310, a first shielding layer 320 is coated on the outer wall of the cable core 310, a second shielding layer 330 is coated on the outer wall of the first shielding layer 320, an insulating layer 340 is coated on the outer wall of the second shielding layer 330, the outer wall of the insulating layer 340 is clung to the inner wall of the refractory layer 100 and the partition plate 230, the number of the insulating transmission components 300 is three, and the three insulating transmission components 300 are uniformly arranged between the partition plate 230 and the inner wall of the refractory layer 100. The insulating layer 340 is made of polyethylene, and the first shielding layer 320 and the second shielding layer 330 are made of copper. The cable core 310 is used for transmitting information, the second shielding layer 330 is mainly used for reducing interference intensity, the first shielding layer 320 is used for eliminating interference, and an insulating isolation film is arranged between the first shielding layer 320 and the second shielding layer 330.
The protective layer 400 is used for improving the weather resistance of the cable, specifically, the outer wall of the flame retardant coating 100 is coated with the protective layer 400, and when the flame retardant coating is specifically used, the protective layer 400 is made of chlorinated polyethylene material, and has excellent flame retardance and oil resistance, good physical and mechanical properties, and good heat aging resistance, ozone resistance and weather resistance.
The desiccant 500 is used to keep the interior of the present utility model dry, and in particular, the interior of the tube 210 is filled with the desiccant 500.
The flame retardant 600 is used for reducing the damage of fire to the present utility model, and in particular, the flame retardant 600 is filled between the separator 230, the insulating layer 340 and the inner wall of the refractory layer 100, and the flame retardant 600 is made of magnesium hydroxide.
When the utility model is extruded, the reinforcing member 200 can protect the inner cable core 310 from being damaged by extrusion, improve the mechanical properties of the utility model, prolong the service life, and further improve the shielding performance and the fireproof performance.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. Photovoltaic direct current cable, including flame retardant coating (100), its characterized in that: the inside of flame retardant coating (100) is provided with reinforcing part (200), reinforcing part (200) are including siphunculus (210), siphunculus (210) are located the inside center of flame retardant coating (100), the inner wall fixedly connected with connecting plate (220) of flame retardant coating (100), the outer wall of siphunculus (210) with fixedly connected with baffle (230) between the inside wall of connecting plate (220), be provided with bleeder vent (240) on baffle (230), baffle (230) with be provided with insulating transmission part (300) between flame retardant coating (100) inner wall.
2. The photovoltaic dc cable of claim 1, wherein: the outer wall cladding of flame retardant coating (100) has protective layer (400), flame retardant coating (100) are made by silica material, protective layer (400) are made by chlorinated polyethylene material.
3. The photovoltaic dc cable of claim 1, wherein: the interior of the through pipe (210) is filled with a desiccant (500).
4. The photovoltaic dc cable of claim 1, wherein: the number of the connecting plates (220) and the number of the partition plates (230) are three, and the three connecting plates (220) and the three partition plates (230) are uniformly arranged between the outer wall of the through pipe (210) and the inner wall of the refractory layer (100).
5. The photovoltaic dc cable of claim 1, wherein: the insulation transmission component (300) comprises a cable core (310), a first shielding layer (320) is coated on the outer wall of the cable core (310), a second shielding layer (330) is coated on the outer wall of the first shielding layer (320), an insulating layer (340) is coated on the outer wall of the second shielding layer (330), and the outer wall of the insulating layer (340) is tightly attached to the inner wall of the fire-resistant layer (100) and the partition plate (230).
6. The photovoltaic dc cable of claim 5, wherein: the insulating layer (340) is made of polyethylene material, and the first shielding layer (320) and the second shielding layer (330) are both made of copper material.
7. The photovoltaic dc cable of claim 1, wherein: the number of the insulating transmission members (300) is three, and the three insulating transmission members (300) are uniformly arranged between the partition plate (230) and the inner wall of the refractory layer (100).
8. The photovoltaic dc cable of claim 5, wherein: and a flame retardant (600) is filled between the partition plate (230), the insulating layer (340) and the inner wall of the flame retardant layer (100), and the flame retardant (600) is made of magnesium hydroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321006554.3U CN220252867U (en) | 2023-04-24 | 2023-04-24 | Photovoltaic direct current cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321006554.3U CN220252867U (en) | 2023-04-24 | 2023-04-24 | Photovoltaic direct current cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220252867U true CN220252867U (en) | 2023-12-26 |
Family
ID=89232781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321006554.3U Active CN220252867U (en) | 2023-04-24 | 2023-04-24 | Photovoltaic direct current cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220252867U (en) |
-
2023
- 2023-04-24 CN CN202321006554.3U patent/CN220252867U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |