CN219997906U - High-temperature-resistant insulating photovoltaic cable - Google Patents
High-temperature-resistant insulating photovoltaic cable Download PDFInfo
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- CN219997906U CN219997906U CN202321426528.6U CN202321426528U CN219997906U CN 219997906 U CN219997906 U CN 219997906U CN 202321426528 U CN202321426528 U CN 202321426528U CN 219997906 U CN219997906 U CN 219997906U
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- photovoltaic cable
- core
- cable
- arc
- wire clamping
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- 238000009413 insulation Methods 0.000 claims abstract description 31
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- 239000004005 microsphere Substances 0.000 claims abstract description 7
- 230000003139 buffering effect Effects 0.000 claims abstract description 6
- 239000011521 glass Substances 0.000 claims abstract description 6
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 36
- 239000011241 protective layer Substances 0.000 claims description 5
- 239000004945 silicone rubber Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 7
- 239000004020 conductor Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a high-temperature-resistant insulating photovoltaic cable, which relates to the technical field of cables and comprises a photovoltaic cable body, wherein the photovoltaic cable body comprises a reinforcing core, three annular array wire clamping pieces are arranged on the periphery of the reinforcing core, a cable core is arranged in each wire clamping piece, a filling layer is arranged in a gap between the wire clamping pieces, and the filling layer contains glass hollow microspheres and silicon rubber; the outer side of the cable core is provided with a buffer piece, and the outer ring of the buffer piece is provided with an inner insulating sheath with a triangular cross section. The utility model can improve the whole buffering effect of the photovoltaic cable body, reduce the damage of external force to the cable core and the reinforcing core, avoid structural change, achieve the protection effect, reduce the surface abrasion of the outer insulating layer in the dragging and pulling process, prolong the service life of the outer insulating layer, ensure that the photovoltaic cable body can be normally used, realize double-layer insulation, and greatly improve the safety of the photovoltaic cable body.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a high-temperature-resistant insulating photovoltaic cable.
Background
With the gradual development of solar grid-connected power generation industry with the advantages of zero emission, long service life and the like, the solar grid-connected power generation industry is one of the most interesting emerging industries in the world, a photovoltaic cable is an important connecting component in a wiring system for connecting a solar photovoltaic module and an inverter, and the service life of the whole system can be directly influenced.
For example, the novel photovoltaic cable that publication number CN213519328U proposed, including the conductor, the outer wall rigid coupling of conductor has the insulating layer, the outside of conductor is equipped with the inner sheath, the inner clamp of insulating layer has the strengthening rib, the inner sheath parcel is in the outside of insulating layer, it has fire-retardant fibrous layer to fill between inner sheath and the insulating layer, the outer wall rigid coupling of inner sheath has the shielding layer, the outer layer of inner sheath is equipped with the oversheath, the outside of inner sheath is equipped with high temperature resistant subassembly.
Above-mentioned scheme accessible ultraviolet ray absorbed layer absorbs the ultraviolet ray light, can reduce the destruction of ultraviolet ray light to the cable, promote its resistant ultraviolet linearity, and through the sandwich structure that interior glass fiber layer, outer glass fiber layer and hollow microsphere are constituteed, can avoid the heat of sun to carry out accumulation intensification at the cable surface, can automatic radiating heat dissipation cooling again, and cooperate the use of high temperature resistant thermal-insulated cotton layer, can promote the high temperature resistance of cable by a wide margin, and then the life of extension cable, and enlarge its application range, the practicality is better, the cable has high strength, high modulus, high fracture toughness, high heat conduction, thermal-insulated characteristic, through ethylene propylene rubber layer and polyurethane rubber layer setting, can promote the cable by a wide margin ozone resistance, ultraviolet ray resistance, weather resistance and ageing resistance.
However, the applicant finds that when the photovoltaic cable is subjected to extrusion force, the cable core inside the photovoltaic cable is easy to extrude, so that the wires inside the cable core are easy to change in structure, the performance of the photovoltaic cable is affected, and when the photovoltaic cable is used, the surface layer of the photovoltaic cable is worn due to friction with the ground in the dragging or pulling process, and the normal use of the cable can be affected due to serious wear.
Disclosure of Invention
The utility model provides a high-temperature-resistant insulated photovoltaic cable aiming at the problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-temperature-resistant insulating photovoltaic cable comprises a photovoltaic cable body, wherein the photovoltaic cable body comprises a reinforcing core, three annular array wire clamping pieces are arranged on the periphery of the reinforcing core, cable cores are arranged in the wire clamping pieces, filling layers are arranged in gaps between the wire clamping pieces, and each filling layer contains glass hollow microspheres and silicon rubber;
the cable core is characterized in that a buffer piece is arranged on the outer side of the cable core, an inner insulating sheath with a triangular cross section is arranged on the outer ring of the buffer piece, a protection unit is arranged on the outer side of the inner insulating sheath, and a plurality of ring strips fixedly sleeved on the outer ring of the protection unit are arranged on the outer ring of the protection unit.
Preferably, the wire clamping piece comprises an arc-shaped plate, two ends of the arc-shaped plate outwards extend to form an extension plate, and the tail end of the extension plate is fixedly connected with the inner side of the inner insulating sheath;
the arc plate is provided with a groove with an arc-shaped cross section, and the reinforcing core is embedded in the groove.
Preferably, the buffer member is including setting up three being curved line clamp plate and setting up in the inner insulating sheath is curved buffer board in the cable core outside, the line clamp plate with the buffer board possesses certain resilience force, the both ends of buffer board with line clamp plate butt, and there is the buffering cavity between the two, the both ends of line clamp plate with there is certain distance between the extension board.
Preferably, the protection unit comprises a heat insulation layer arranged on the outer side of the inner insulation sheath, an outer insulation sheath is arranged on the outer ring of the heat insulation layer, and the ring strip is fixedly sleeved on the outer ring of the outer insulation sheath.
Preferably, a protective layer is arranged between the heat insulation layer and the outer insulation sheath.
In summary, the utility model has the technical effects and advantages that:
the utility model can improve the whole buffering effect of the photovoltaic cable body, reduce the damage of external force to the cable core and the reinforcing core, avoid structural change, achieve the protection effect, reduce the surface abrasion of the outer insulating layer in the dragging and pulling process, prolong the service life of the outer insulating layer, ensure that the photovoltaic cable body can be normally used, realize double-layer insulation, and greatly improve the safety of the photovoltaic cable body.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the 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 diagram of a high temperature resistant insulated photovoltaic cable.
Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.
Fig. 3 is a schematic partial structure.
In the figure: 1. an outer insulating sheath; 2. a ring strip; 3. a protective layer; 4. a thermal insulation layer; 5. a cable core; 6. a filling layer; 7. a reinforcing core; 8. an inner insulating sheath; 9. a wire pressing plate; 10. a buffer plate; 11. an arc-shaped plate; 1101. an extension plate; 1102. a groove.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: the high-temperature-resistant insulated photovoltaic cable comprises a photovoltaic cable body, wherein the photovoltaic cable body comprises a reinforcing core 7, three annular array wire clamping pieces are arranged on the periphery of the reinforcing core 7, so that the reinforcing core 7 can be effectively prevented from shaking, the reinforcing core 7 is twisted, the normal service life of the photovoltaic cable body is influenced, a cable core 5 is arranged in the wire clamping pieces, a filling layer 6 is arranged in a gap between the wire clamping pieces, the filling layer 6 contains glass hollow microspheres and silicon rubber, and a heat storage unit is formed by the glass hollow microspheres when the glass hollow microspheres are heated, so that heat can be effectively prevented from being conducted to the inside of the cable, and the internal temperature is reduced;
as shown in fig. 1 and 2, the outside of cable core 5 is provided with the bolster, improve the holistic cushioning effect of photovoltaic cable body, reduce the damage that external force led to the fact cable core 5 and enhancement core 7, reach the effect of protection, the outer lane of bolster is provided with the transversal triangle-shaped's of personally submitting inner insulation sheath 8, make inner insulation sheath 8 have fine stability, the outside of inner insulation sheath 8 is provided with protection unit, protect cable core 5, strengthen core 7 and inner insulation sheath 8, protection unit's outer lane is provided with the fixed ring strip 2 of cup jointing at protection unit outer lane of a plurality of, reduce and drag the protection unit surface abrasion in-process, extension protection unit's life, make photovoltaic cable body normal use.
As shown in fig. 2 and 3, the wire clamping piece comprises an arc-shaped plate 11, two ends of the arc-shaped plate 11 extend outwards to form an extension plate 1101, and the tail end of the extension plate 1101 is fixedly connected with the inner side of the inner insulating sheath 8; the arc-shaped plate 11 is provided with the groove 1102 with the arc-shaped cross section, and the reinforced core 7 is embedded in the groove 1102, so that the reinforced core 7 can be effectively prevented from shaking, and the reinforced core 7 is twisted.
As shown in fig. 2 and 3, the buffer member includes three arc-shaped wire pressing plates 9 disposed inside the inner insulating sheath 8 and an arc-shaped buffer plate 10 disposed outside the cable core 5, the wire pressing plates 9 and the buffer plate 10 have a certain resilience force, two ends of the buffer plate 10 are abutted against the wire pressing plates 9, a buffer cavity is formed between the wire pressing plates 9 and the buffer plate, and a certain distance is formed between two ends of the wire pressing plates 9 and the extension plate 1101.
In the present embodiment, the wire pressing plate 9 and the damper plate 10 are made of rubber.
When receiving the extrusion, line clamp plate 9 extrusion buffer plate 10 for buffer plate 10 opens and produces deformation, and the contact surface with cable core 5 increases gradually, protects cable core 5, simultaneously owing to there is the buffering cavity between line clamp plate 9 and the buffer plate 10, improves the buffering effect to cable core 5, thereby avoids the inside cable core 5 of photovoltaic cable body and strengthens the core 7 and receive the influence of external force and produce structural change, thereby causes the influence to photovoltaic cable body performance.
In order to further protect the cable core 5 and the reinforcing core 7, the protection unit comprises a heat insulation layer 4 arranged on the outer side of an inner insulation sheath 8, an outer ring of the heat insulation layer 4 is provided with an outer insulation sheath 1, and the annular strip 2 is fixedly sleeved on the outer ring of the outer insulation sheath 1.
The double-layer insulation is arranged, so that the safety of the photovoltaic cable body is greatly improved, and under the cooperation of the heat insulation layer 4, heat is further blocked to be conducted to the inside of the photovoltaic cable body, and the temperature of the inside of the photovoltaic cable body is reduced.
As shown in fig. 1, a protective layer 3 is arranged between the heat insulation layer 4 and the outer insulation sheath 1, in this embodiment, the protective layer 3 is a steel wire braided armor layer, so that the risk of fracture of the photovoltaic cable body can be effectively prevented, and meanwhile, the protection effect inside the photovoltaic cable body is enhanced.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (5)
1. The utility model provides a high temperature resistant insulating photovoltaic cable, includes photovoltaic cable body, its characterized in that: the photovoltaic cable body comprises a reinforcing core (7), three annular array wire clamping pieces are arranged on the periphery of the reinforcing core (7), cable cores (5) are arranged in the wire clamping pieces, filling layers (6) are arranged in gaps between the wire clamping pieces, and the filling layers (6) contain glass hollow microspheres and silicone rubber;
the cable core is characterized in that a buffer piece is arranged on the outer side of the cable core (5), an inner insulating sheath (8) with a triangular cross section is arranged on the outer ring of the buffer piece, a protection unit is arranged on the outer side of the inner insulating sheath (8), and a plurality of ring strips (2) fixedly sleeved on the outer ring of the protection unit are arranged on the outer ring of the protection unit.
2. The high temperature resistant insulated photovoltaic cable of claim 1, wherein: the wire clamping piece comprises an arc-shaped plate (11), two ends of the arc-shaped plate (11) extend outwards to form an extension plate (1101), and the tail end of the extension plate (1101) is fixedly connected with the inner side of the inner insulating sheath (8);
the arc-shaped plate (11) is provided with a groove (1102) with an arc-shaped cross section, and the reinforcing core (7) is embedded in the groove (1102).
3. The high temperature resistant insulated photovoltaic cable of claim 2, wherein: the buffer piece is including setting up three in the inboard line clamp plate (9) that are arc of inner insulation sheath (8) and setting are arc buffer board (10) in cable core (5) outside, line clamp plate with the buffer board possesses certain resilience force, the both ends of buffer board (10) with line clamp plate (9) butt, and there is the buffering cavity between the two, the both ends of line clamp plate (9) with there is certain distance between extension board (1101).
4. The high temperature resistant insulated photovoltaic cable of claim 1, wherein: the protection unit comprises a heat insulation layer (4) arranged on the outer side of the inner insulation sheath (8), an outer ring of the heat insulation layer (4) is provided with an outer insulation sheath (1), and the ring strip (2) is fixedly sleeved on the outer ring of the outer insulation sheath (1).
5. The high temperature resistant insulated photovoltaic cable of claim 4, wherein: a protective layer (3) is arranged between the heat insulation layer (4) and the outer insulation sheath (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321426528.6U CN219997906U (en) | 2023-06-06 | 2023-06-06 | High-temperature-resistant insulating photovoltaic cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321426528.6U CN219997906U (en) | 2023-06-06 | 2023-06-06 | High-temperature-resistant insulating photovoltaic cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219997906U true CN219997906U (en) | 2023-11-10 |
Family
ID=88613973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321426528.6U Active CN219997906U (en) | 2023-06-06 | 2023-06-06 | High-temperature-resistant insulating photovoltaic cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219997906U (en) |
-
2023
- 2023-06-06 CN CN202321426528.6U patent/CN219997906U/en active Active
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