CN219872923U - Photovoltaic cable with long service life - Google Patents
Photovoltaic cable with long service life Download PDFInfo
- Publication number
- CN219872923U CN219872923U CN202223594202.2U CN202223594202U CN219872923U CN 219872923 U CN219872923 U CN 219872923U CN 202223594202 U CN202223594202 U CN 202223594202U CN 219872923 U CN219872923 U CN 219872923U
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- CN
- China
- Prior art keywords
- cable
- extrusion
- layer
- extrusion reinforcing
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001125 extrusion Methods 0.000 claims abstract description 73
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 59
- 239000003063 flame retardant Substances 0.000 claims abstract description 10
- 239000004020 conductor Substances 0.000 claims abstract description 9
- 238000005728 strengthening Methods 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 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 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000008439 repair process Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 6
- 239000010985 leather Substances 0.000 description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model relates to the technical field of photovoltaic cables, in particular to a long-service-life photovoltaic cable, which comprises an outer protection extrusion reinforcing frame, wherein a weather-proof layer is arranged in the outer protection extrusion reinforcing frame, a flame-retardant layer is arranged in the weather-proof layer, a waterproof layer is arranged in the flame-retardant layer, an insulating layer is arranged in the waterproof layer, a conductor is arranged in the insulating layer, the outer protection extrusion reinforcing frame is of a triangle detachable structure, and a fixing component for positioning and fixing the cable is arranged between the inner side wall of the outer protection extrusion reinforcing frame and the weather-proof layer. According to the utility model, the outer protection extrusion reinforcing frame with the triangular structure is arranged outside the cable, so that the cable is prevented from being extruded, and the service life of the cable is prolonged; the utility model solves the problems of high manufacturing difficulty, difficult manufacturing and forming of the cable, and inconvenient daily maintenance and repair caused by the fact that the mounting block or the reinforcing frame is arranged in the cable in the prior art.
Description
Technical Field
The utility model relates to the technical field of photovoltaic cables, in particular to a long-service-life photovoltaic cable.
Background
The conductor parts of the photovoltaic cable, namely the photovoltaic special cable, are copper conductors and tin-plated copper conductors, the insulating layer is insulated by irradiation crosslinking polyolefin, the sheath is insulated by irradiation crosslinking polyolefin, and a large number of direct current cables in the photovoltaic power station need to be laid outdoors, and the environmental condition is bad.
To current photovoltaic cable, like the photovoltaic cable of chinese application number CN201721079851.5 publication, including insulating leather sheath, the inside of insulating leather sheath is equipped with the installation piece, and the installation piece is triangle-shaped structure, the inner wall fixedly connected with bearing plate of insulating leather sheath, the bearing plate is kept away from insulating leather sheath inner wall one side intermediate position and is seted up flutedly, and fixed mounting has the fixed column of vertical setting in the recess, be equipped with the compression chamber on the fixed column, the bottom inner wall fixed mounting of compression chamber has the spring post of vertical setting, the top fixed mounting of spring post has first slider, the inner wall sliding connection of first slider and compression chamber, the through-hole has been seted up at the top of fixed column, through-hole and compression chamber intercommunication, slidable mounting has the slip post of vertical setting in the through-hole. The utility model protects the wires in the cable through double buffering, improves the extrusion resistance of the cable, and helps to restore the original shape after extrusion deformation, ensures the normal use of the cable and prolongs the service life of the cable.
As another example, chinese application number CN202011245605.9 discloses a multifunctional photovoltaic cable, including the enhancement layer, the inside fixed mounting of enhancement layer has the enhancement frame, the inside of enhancement frame is filled with the second filling layer, fixed mounting has a quantity to be three cable core between enhancement layer and the enhancement frame, it has first filling layer to fill between enhancement layer, enhancement frame and the three cable core, the periphery wall fixedly connected with shielding layer of enhancement layer. This multi-functional photovoltaic cable, be an equilateral triangle through the shape that is provided with the strengthening frame, triangle-shaped has higher stability, and three cable core is circular equiangular distribution, simultaneously through being provided with first filling layer, second filling layer, first filling layer is polypropylene, and the second filling layer is halogen-free elastomer, when whole cable receives external pressure, buffering that can be better, and then make the compressive capacity of whole cable stronger, has improved the life of whole cable.
However, in the practical working process, the structure in the technical scheme of the patent has the defects that on one hand, the manufacturing difficulty is high, the cable is difficult to manufacture and form, and on the other hand, the installation block or the reinforcing frame for improving the extrusion capability is arranged inside the cable, so that the daily maintenance and repair are inconvenient, and once the cable needs to be inspected, the external insulating leather sheath or the reinforcing layer needs to be peeled off, so that the cost is increased.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a photovoltaic cable with long service life.
The technical problems to be solved by the utility model are realized by adopting the following technical scheme:
the utility model provides a high life photovoltaic cable, includes protects extrusion strengthening frame outward, the inside of protecting extrusion strengthening frame outward is provided with the resistant layer of waiting, the inside on resistant layer is provided with fire-retardant layer, the inside on fire-retardant layer is provided with the waterproof layer, the inside of waterproof layer is provided with the insulating layer, the inside of insulating layer is provided with the conductor, protect extrusion strengthening frame outward is triangle-shaped detachable construction, protect extrusion strengthening frame's inside lateral wall with be provided with the fixed subassembly that is used for location and fixed cable between the resistant layer, fixed subassembly is provided with three group, corresponds to be connected on protecting extrusion strengthening frame's inside triangle-shaped lateral wall outward.
As a further improvement of the utility model, the outer protection extrusion reinforcing frame comprises three extrusion reinforcing plates which are sequentially abutted and connected, and three connecting screws for connecting two adjacent extrusion reinforcing plates together.
As a further improvement of the utility model, three connecting screws are correspondingly arranged at three corners of the outer protection extrusion reinforcing frame, and three groups of fixing components are correspondingly connected to the inner side plate walls of the three extrusion reinforcing plates.
As a further improvement of the utility model, the three extrusion reinforcing plates are provided with mounting end surfaces at one side end parts, namely at three corners of the outer protection extrusion reinforcing frame.
As a further improvement of the utility model, the two side ends of the three extrusion reinforcing plates are respectively in a bevel edge structure which is convenient to attach.
As a further improvement of the utility model, one side end part of the three extrusion reinforcing plates is provided with a connecting thread slot which is flush with the extrusion reinforcing plates, the other side end part of the three extrusion reinforcing plates is provided with a connecting thread through hole, and the connecting thread slot and the connecting thread through hole are matched with the connecting screw in size.
As a further improvement of the utility model, the three groups of fixing components comprise fixing frames fixedly connected to the inner side plate wall of the extrusion reinforcing plate and a plurality of positioning balls which are arranged on the fixing frames and are attached to the outer layer surface of the weather-proof layer.
As a further development of the utility model, a number of positioning balls are distributed in an arc-shaped direction and are concentric with the cable.
The beneficial effects of the utility model are as follows:
according to the utility model, the outer protection extrusion reinforcing frame with the triangular structure is arranged outside the cable, so that the cable is prevented from being extruded, the service life of the cable is prolonged, the cable is positioned and fixed through the fixing component arranged on the inner side wall of the outer protection extrusion reinforcing frame, and meanwhile, the abrasion between the inner part of the outer protection extrusion reinforcing frame and the cable is reduced; compared with the prior art, the utility model solves the problems of high manufacturing difficulty, difficult manufacturing and forming of the cable, inconvenient daily maintenance and maintenance because the mounting block or the reinforcing frame is arranged in the cable in the prior art, and increased cost because the external insulating leather sheath or the reinforcing layer is required to be peeled off once the cable needs to be inspected.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
fig. 3 is a schematic structural view of the present utility model.
In the figure: 1. an outer protection extrusion reinforcing frame; 2. a weather resistant layer; 3. a flame retardant layer; 4. a waterproof layer; 5. an insulating layer; 6. a conductor; 7. extruding the reinforcing plate; 8. a connecting screw; 9. a mounting end face; 10. a connecting thread slot; 11. connecting the threaded through holes; 12. a fixing frame; 13. the balls are positioned.
Detailed Description
In order that the manner in which the utility model is attained, as well as the features and advantages thereof, will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
As shown in fig. 1 to 3, a long-life photovoltaic cable, including outer extrusion strengthening frame 1 that protects, the inside of outer extrusion strengthening frame 1 is provided with weather resistant layer 2, weather resistant layer 2's inside is provided with fire-retardant layer 3, fire-retardant layer 3's inside is provided with waterproof layer 4, waterproof layer 4's inside is provided with insulating layer 5, insulating layer 5's inside is provided with conductor 6, outer extrusion strengthening frame 1 is triangle-shaped detachable construction, outer extrusion strengthening frame 1's inside lateral wall with be provided with the fixed subassembly that is used for fixing a position and fixes the cable between the weather resistant layer 2, fixed subassembly is provided with three group, corresponds to be connected on outer inside triangle-shaped lateral wall of protecting extrusion strengthening frame 1.
The weather-proof layer 2, the flame retardant coating 3, the waterproof layer 4 and the insulating layer 5 are sequentially coated outside the conductor 6 from outside to inside to form a cable body, the outer protection extrusion reinforcing frame 1 is of a detachable structure and is installed outside the cable body, the cable body is protected from being extruded, and meanwhile, the cable body is convenient to detach and assemble.
The fixed subassembly sets up protect outward and extrude between strengthening frame 1 and the cable body, played fixed cable body, guarantee protect outward and extrude strengthening frame 1 can protect the cable body better outside, can also reduce the cable body with protect outward and extrude the effect of wearing and tearing between the strengthening frame 1, reduce the cable body.
Further in this embodiment, the outer protection extrusion reinforcing frame 1 includes three extrusion reinforcing plates 7 that support in proper order and connect, and the hypotenuse structure that all is convenient laminating with the both sides tip of three extrusion reinforcing plates 7 of three connecting screw 8 that two adjacent extrusion reinforcing plates 7 are connected together, and three connecting screw 8 correspond to be set up the three corner of outer protection extrusion reinforcing frame 1, and three fixed subassembly of group correspond to be connected on the inboard wall of three extrusion reinforcing plates 7. The three connecting screws 8 are positioned at the three corners of the outer protection extrusion reinforcing frame 1, and can ensure that the outer plate surfaces of the three extrusion reinforcing plates 7 are attractive and have no protruding structures on the basis of splicing and assembling the three extrusion reinforcing plates 7 into the outer protection extrusion reinforcing frame 1.
Further in this embodiment, the mounting end faces 9 are disposed on one side end portions of the three extrusion reinforcing plates 7, that is, at three corners of the outer protection extrusion reinforcing frame 1, and the mounting end faces 9 play a role in facilitating screwing in and screwing out of the connecting screws 8.
Further in this embodiment, a connection threaded slot 10 flush with the extrusion reinforcing plate 7 is provided at one end of the three extrusion reinforcing plates 7, and a connection threaded through hole 11 is provided at the other end of the three extrusion reinforcing plates, and the connection threaded slot 10 and the connection threaded through hole 11 are matched with the connection screw 8 in size.
Further, in this embodiment, the three sets of fixing assemblies each include a fixing frame 12 fixedly connected to the inner side plate wall of the extrusion reinforced plate 7, and thirteen positioning balls 13 disposed on the fixing frame 12 and attached to the outer layer surface of the weather-resistant layer 2. Thirteen positioning balls 13 are distributed in the arc direction and concentric with the cable. Through location ball 13 realizes fixing in place the cable, has reduced simultaneously and has protected the wearing and tearing between extrusion strengthening frame inside and the cable outward.
When the cable is used, the cable is firstly placed on the fixing frame 12 on the extrusion reinforcing plate 7 positioned at the lower side, so that the positioning balls 13 are attached to the outer surface of the cable, then the other two extrusion reinforcing plates 7 are spliced in sequence, and the connecting screws 8 are used for screwing in and connecting in sequence, so that the assembly of the outer protection extrusion reinforcing frame 1 is realized, and the positioning balls 13 on the fixing components on the other two extrusion reinforcing plates 7 are required to be attached to the outer surface of the cable in the splicing process of the extrusion reinforcing plate 7.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a high life photovoltaic cable which characterized in that: including outer extrusion strengthening frame (1), the inside of outer extrusion strengthening frame (1) is provided with resistant layer (2), the inside of resistant layer (2) is provided with fire-retardant layer (3), the inside of fire-retardant layer (3) is provided with waterproof layer (4), the inside of waterproof layer (4) is provided with insulating layer (5), the inside of insulating layer (5) is provided with conductor (6), outer extrusion strengthening frame (1) is triangle-shaped detachable structure, the inside lateral wall of outer extrusion strengthening frame (1) with be provided with the fixed subassembly that is used for location and fixed cable between resistant layer (2), fixed subassembly is provided with three groups, corresponds the connection on the inside triangle-shaped lateral wall of outer extrusion strengthening frame (1).
2. The high lifetime photovoltaic cable of claim 1, wherein: the outer protection extrusion reinforcing frame (1) comprises three extrusion reinforcing plates (7) which are sequentially in abutting connection, and three connecting screws (8) for connecting two adjacent extrusion reinforcing plates (7) together.
3. A high lifetime photovoltaic cable in accordance with claim 2, wherein: the three connecting screws (8) are correspondingly arranged at three corners of the outer protection extrusion reinforcing frame (1), and the three groups of fixing components are correspondingly connected to the inner side plate walls of the three extrusion reinforcing plates (7).
4. A high lifetime photovoltaic cable in accordance with claim 2, wherein: the end parts of one side of the three extrusion reinforcing plates (7), namely the three corners of the outer protection extrusion reinforcing frame (1), are provided with mounting end faces (9).
5. A high lifetime photovoltaic cable in accordance with claim 2, wherein: the two side ends of the three extrusion reinforcing plates (7) are respectively provided with a bevel edge structure convenient to attach.
6. A high lifetime photovoltaic cable in accordance with claim 2, wherein: one side end part of the three extrusion reinforcing plates (7) is provided with a connecting threaded slot (10) flush with the extrusion reinforcing plates (7), the other side end part is provided with a connecting threaded through hole (11), and the connecting threaded slot (10), the connecting threaded through hole (11) and the connecting screw (8) are matched in size.
7. A high lifetime photovoltaic cable in accordance with claim 2, wherein: the three groups of fixing components comprise fixing frames (12) fixedly connected to the inner side plate wall of the extrusion reinforcing plate (7), and a plurality of positioning balls (13) which are arranged on the fixing frames (12) and are attached to the outer layer surface of the weather-resistant layer (2).
8. The high lifetime photovoltaic cable of claim 7, wherein: the positioning balls (13) are distributed along the arc direction and concentric with the cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223594202.2U CN219872923U (en) | 2022-12-30 | 2022-12-30 | Photovoltaic cable with long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223594202.2U CN219872923U (en) | 2022-12-30 | 2022-12-30 | Photovoltaic cable with long service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219872923U true CN219872923U (en) | 2023-10-20 |
Family
ID=88339786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223594202.2U Active CN219872923U (en) | 2022-12-30 | 2022-12-30 | Photovoltaic cable with long service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219872923U (en) |
-
2022
- 2022-12-30 CN CN202223594202.2U patent/CN219872923U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |