CN212010467U - Oil-resistant armored photovoltaic cable - Google Patents
Oil-resistant armored photovoltaic cable Download PDFInfo
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- CN212010467U CN212010467U CN202020842700.6U CN202020842700U CN212010467U CN 212010467 U CN212010467 U CN 212010467U CN 202020842700 U CN202020842700 U CN 202020842700U CN 212010467 U CN212010467 U CN 212010467U
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Abstract
The utility model relates to an resistant oily armor photovoltaic cable, including cable core and cladding armor and interior outside the cable core, outer protective layer, the outer cladding of cable core has the band layer, be equipped with the skeleton in the band layer, the cable core centers on the skeleton setting, be equipped with the packing clearance between skeleton and the band layer, the outer cladding of band layer has the flame retardant coating, the outer cladding of flame retardant coating has the waterproof layer, the outer cladding of waterproof layer has the inner protective layer, the outer cladding of inner protective layer has the armor, the outer cladding of armor has resistant oil reservoir, the outer cladding of resistant oil reservoir has outer protective layer, the surperficial equipartition of outer: the armor layer is woven into a grid shape by zinc-plated steel wires and aluminum alloy wires; the cable is simple in structure, good in oil resistance, strong in pressure resistance, good in wear resistance, long in service life and low in cost.
Description
Technical Field
The utility model relates to a cable, concretely relates to resistant oily armor photovoltaic cable.
Background
Solar energy technology will become one of green energy technologies in the future, solar energy or Photovoltaic (PV) is increasingly widely applied in china, and besides the rapid development of photovoltaic power plants supported by governments, private investors are actively building factories, planning to put on production of solar modules sold in the world, and the demand of photovoltaic cables is increasing.
Cables are generally rope-like cables made by stranding several or groups of conductors, at least two in each group, each group being insulated from each other and often twisted around a center, the entire outer surface being covered with a highly insulating covering. The device is erected in the air or installed underground or underwater for telecommunication or power transmission.
With the rapid development of economy, in order to cope with various working environments, the types of cables are more and more, and the cables used in the environments of oil tanks, oil wells and large oil storage containers are required to have excellent oil resistance when being contacted with or soaked in oil gas for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, overcome prior art's shortcoming, provide an resistant oily armor photovoltaic cable, this cable structure is simple, has good resistant oil performance, and compressive capacity is strong, and the wearability is good, long service life, low cost.
In order to solve the technical problem, the utility model provides an oil-resistant armored photovoltaic cable, which comprises a cable core, an armor layer coated outside the cable core, an inner protective layer and an outer protective layer,
the outer cladding of cable core has the band layer, is equipped with the skeleton in the band layer, and the cable core centers on the skeleton setting, is equipped with the packing clearance between skeleton and the band layer, and the outer cladding of band layer has the flame retardant coating, and the outer cladding of flame retardant coating has a waterproof layer, and the outer cladding of waterproof layer has an inner protective layer, and the outer cladding of inner protective layer has an armor, and the outer cladding of armor has resistant oil reservoir, and the outer cladding of oil reservoir has outer protective layer, and the surface equipartition of:
the armor layer is woven into a grid shape by galvanized steel wires and aluminum alloy wires.
The utility model discloses the technical scheme who further injects is:
further, among the aforementioned resistant oily armor photovoltaic cable, the skeleton includes support frame, cushion, strengthening rib and holds the chamber, and the support frame is disc structure, and the middle part of support frame runs through there is the strengthening rib, and semicircular structure formation of fretwork holds the chamber on the support frame edge, holds the intracavity and sets up the cushion, and the cable core sets up in the intracavity that holds of skeleton.
The cable has the advantages that the internal structure of the cable is more stable by additionally arranging the framework, the cable core is arranged in the containing cavity and is tightly attached to the elastic pad during production, the contact part is more wear-resistant by the design of the elastic pad, the whole support frame is of a disc-shaped structure, the arc surface is tightly attached to the belting layer, the arc surface has a certain supporting effect on the belting layer, the profile of the cable is more approximate to a circle, and the tensile strength of the cable is improved by combining the design of the reinforcing ribs;
meanwhile, the cable cores in the framework of the cable are separated, so that the cable cores are separated from each other and have a certain distance, the mutual interference of signals among the cable cores is reduced, and the electrical performance of the whole cable is improved.
In aforementioned resistant oily armor photovoltaic cable, the cable core includes the conductor and cladding insulating layer and the shielding layer outside the conductor in proper order.
Among the aforementioned resistant oily armor photovoltaic cable, the band layer is non-woven fabrics band layer.
In the aforementioned resistant oily armor photovoltaic cable, the flame retardant coating adopts two-layer overlapping of synthetic mica tape to wind and form.
In the aforementioned oil-resistant armored photovoltaic cable, the filling gap is filled with a low-smoke halogen-free flame-retardant organic mineral rope.
The technical effect is that the filling gap is filled with the low-smoke halogen-free flame-retardant organic mineral rope, so that the roundness of the cable can be increased, and the flame retardant property of the cable can be improved.
In the aforementioned oil-resistant armored photovoltaic cable, the oil-resistant layer is a polyurethane film with an oil-resistant layer.
The technical effect is that the oil-resistant performance of the cable can be greatly improved by the oil-resistant layer.
In the aforementioned resistant oily armor photovoltaic cable, the interior protective layer adopts the interior protective layer of TPV thermoplastic elastomer.
The TPV thermoplastic elastomer inner sheath layer has the advantages that the TPV thermoplastic elastomer inner sheath layer shows rubber elasticity at normal temperature, can be plasticized and formed by high-temperature high-molecular materials, has various excellent performances of high elasticity, aging resistance, oil resistance and the like of the traditional cross-linked vulcanized rubber, and has the characteristics of larger processing method and wide processing mode of common plastics.
In the oil-resistant armored photovoltaic cable, the outer protection layer is formed by extruding nitrile rubber.
The technical effect is that the nitrile rubber has excellent grease resistance and flexibility, and the quality of the cable can be further improved by wrapping the nitrile rubber on the outermost layer.
The utility model has the advantages that:
the utility model discloses in weave the metal armor for bilayer structure, the nexine is zinc-plated steel wire layer, and the outer net dislocation laminating that is aluminium alloy wire net layer, zinc-plated steel wire layer and aluminium alloy wire net layer have has improved intensity, compressive property and wear resistance, compares the measure that seriously influences the cable compliance in prior art simultaneously if: hard sheath protection is adopted outside the sheath layer, iron sheets are wrapped on the cable, and the like, and the flexibility and the bending property of the cable are guaranteed on the premise that the cable is protected by weaving the metal armor layer.
Because the flame-retardant belts are uniformly distributed along the outer side of the outer protective layer, a certain gap exists between the flame-retardant belts and the ground in the use process of the cable, and the cable outer protective layer is prevented from being damaged due to long-term contact with acid and alkali or other corrosive liquids; in addition, drag the process of drawing to the cable, with ground or other object direct contact's the fire-retardant area of first, fire-retardant area can play good guard action to the outer protective layer, and when the accident catches fire, because the existence in fire-retardant area can avoid whole cable surface to catch fire, fire-retardant area plays the effect of separation, falls to the minimum with the injury.
The utility model discloses utilize the characteristic of material itself, simple structure, reasonable in design has better resistant oily wearability of waiting, and cable life is longer, is particularly suitable for the complicated and abominable environment of service environment and uses.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of the skeleton of FIG. 1;
in the figure, 1-cable core, 2-armor layer, 3-belting layer, 4-framework, 41-support frame, 42-elastic cushion, 43-reinforcing rib, 44-containing cavity, 5-filling gap, 6-fire-resistant layer, 7-waterproof layer, 8-inner protective layer, 9-oil-resistant layer, 10-outer protective layer and 11-fire-resistant band.
Detailed Description
Example 1
The oil-resistant armored photovoltaic cable provided by the embodiment has a structure as shown in fig. 1-2, and comprises a cable core 1 and an armor layer 2 and inner and outer protective layers which are coated outside the cable core 1, and is characterized in that:
1 outer cladding of cable core has band layer 3, be equipped with skeleton 4 in the band layer 3, cable core 1 sets up around skeleton 4, be equipped with between skeleton 4 and the band layer 3 and pack clearance 5, the outer cladding of band layer 3 has flame retardant coating 6, the outer cladding of flame retardant coating 6 has waterproof layer 7, the outer cladding of waterproof layer 7 has inner protection layer 8, the outer cladding of inner protection layer 8 has armor 2, the outer cladding of armor 2 has oil-resistant layer 9, the outer cladding of oil-resistant layer 9 has outer protective layer 10, the surface equipartition of outer protective layer 10 has fire-retardant belt 11, wherein:
the armor layer 2 is woven into a grid shape by zinc-plated steel wires and aluminum alloy wires.
In this embodiment, the frame 4 includes support frame 41, cushion 42, strengthening rib 43 and holds the chamber 44, and support frame 41 is disc structure, and the middle part of support frame 41 has run through strengthening rib 43, and the semicircular structure of fretwork forms on support frame 41 edge and holds chamber 44, holds and sets up cushion 42 in the chamber 44, and cable core 1 sets up in the chamber 44 that holds of frame 4.
In this embodiment, the cable core 1 includes a conductor, and an insulating layer and a shielding layer sequentially coated outside the conductor.
In this embodiment, the belt layer 3 is a nonwoven fabric belt layer.
In this embodiment, the fire-resistant layer 6 is formed by double-layer lapping of double-sided synthetic mica tapes.
In this embodiment, the filling gap 5 is filled with a low smoke halogen free flame retardant organomineral rope.
In this embodiment, the oil-resistant layer 9 is a polyurethane film with an oil-resistant layer.
In the present embodiment, the inner protective layer 8 is a TPV thermoplastic elastomer inner protective layer; the outer protective layer 10 is formed by extruding nitrile rubber.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (9)
1. The utility model provides an resistant oily armor photovoltaic cable, includes cable core (1) and cladding armor (2) and inside and outside protective layer outside cable core (1), its characterized in that:
the utility model discloses a cable core (1) outer cladding has band layer (3), be equipped with skeleton (4) in band layer (3), cable core (1) centers on skeleton (4) set up, be equipped with between skeleton (4) and the band layer (3) and pack clearance (5), the outer cladding of band layer (3) has flame retardant coating (6), the outer cladding of flame retardant coating (6) has waterproof layer (7), the outer cladding of waterproof layer (7) has inner protective layer (8), the outer cladding of inner protective layer (8) has armor (2), the outer cladding of armor (2) has oil-resistant layer (9), the outer cladding of oil-resistant layer (9) has outer protective layer (10), the surface equipartition of outer protective layer (10) has fire-retardant belt (11), wherein:
the armor layer (2) is woven by zinc-plated steel wires and aluminum alloy wires into a grid shape.
2. The oil resistant armored photovoltaic cable of claim 1, wherein: skeleton (4) include support frame (41), cushion (42), strengthening rib (43) and hold chamber (44), support frame (41) are disc structure, the middle part of support frame (41) is run through and is had strengthening rib (43) support frame (41) edge goes up a semicircular structure of fretwork and forms and hold chamber (44), it sets up to hold chamber (44) cushion (42), cable core (1) set up in the chamber (44) that holds of skeleton (4).
3. The oil resistant armored photovoltaic cable of claim 1, wherein: the cable core (1) comprises a conductor, and an insulating layer and a shielding layer which are sequentially coated outside the conductor.
4. The oil resistant armored photovoltaic cable of claim 1, wherein: the belting layer (3) is a non-woven fabric belting layer.
5. The oil resistant armored photovoltaic cable of claim 1, wherein: the fire-resistant layer (6) is formed by double-layer overlapping and lapping of double-sided synthetic mica tapes.
6. The oil resistant armored photovoltaic cable of claim 1, wherein: the filling gap (5) is filled with a low-smoke halogen-free flame-retardant organic mineral rope.
7. The oil resistant armored photovoltaic cable of claim 1, wherein: the oil-resistant layer (9) is a polyurethane film with an oil-resistant layer.
8. The oil resistant armored photovoltaic cable of claim 1, wherein: the inner protection layer (8) is a TPV thermoplastic elastomer inner protection layer.
9. The oil resistant armored photovoltaic cable of claim 1, wherein: the outer protective layer (10) is formed by extruding nitrile rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020842700.6U CN212010467U (en) | 2020-05-19 | 2020-05-19 | Oil-resistant armored photovoltaic cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020842700.6U CN212010467U (en) | 2020-05-19 | 2020-05-19 | Oil-resistant armored photovoltaic cable |
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| CN212010467U true CN212010467U (en) | 2020-11-24 |
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| CN202020842700.6U Active CN212010467U (en) | 2020-05-19 | 2020-05-19 | Oil-resistant armored photovoltaic cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113628794A (en) * | 2021-08-11 | 2021-11-09 | 江苏通鼎光电科技有限公司 | High-performance railway axle counting cable |
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2020
- 2020-05-19 CN CN202020842700.6U patent/CN212010467U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113628794A (en) * | 2021-08-11 | 2021-11-09 | 江苏通鼎光电科技有限公司 | High-performance railway axle counting cable |
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