CN216388826U - Wind power composite flame-retardant high-voltage cable - Google Patents
Wind power composite flame-retardant high-voltage cable Download PDFInfo
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- CN216388826U CN216388826U CN202123033561.6U CN202123033561U CN216388826U CN 216388826 U CN216388826 U CN 216388826U CN 202123033561 U CN202123033561 U CN 202123033561U CN 216388826 U CN216388826 U CN 216388826U
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Abstract
The utility model relates to a wind power composite flame-retardant high-voltage cable which comprises an inner sleeve, wherein a support is fixedly connected inside the inner sleeve, a plurality of cable cores are fixedly connected between the inner sleeve and the support, an inner insulating layer is fixedly connected to the outer surface of the inner sleeve, an inner flame-retardant layer is fixedly connected to the outer surface of the inner insulating layer, a pressure-resistant layer is arranged on the outer surface of the inner flame-retardant layer, an outer insulating layer is arranged on the outer surface of the pressure-resistant layer, an outer flame-retardant layer is fixedly connected to the outer surface of the outer insulating layer, an outer sleeve is fixedly connected to the outer surface of the outer flame-retardant layer, and a wear-resistant sleeve is fixedly connected to the outer surface of the outer sleeve; the anti-pressure layer includes a plurality of first lugs that are connected with interior flame retardant coating surface fixed, the anti-pressure layer still includes the anti-pressure cover that is located the interior flame retardant coating outside. This compound fire-retardant type high tension cable of wind-powered electricity generation adopts multilayer resistance to compression means through setting up the resistance to compression layer, can effectively improve the resistance to compression effect of this cable to protect the cable core.
Description
Technical Field
The utility model relates to the technical field of high-voltage cables, in particular to a wind power composite flame-retardant high-voltage cable.
Background
The high voltage cable is a kind of power cable, which is used for transmitting power between 1kv and 1000kv, and is widely used for power transmission and distribution.
The high-voltage cable generally comprises a conductor, insulation, an inner protection layer, a filling material (armor), outer insulation and the like from inside to outside, the existing wind power composite flame-retardant high-voltage cable on the market at present has the defect of poor compression resistance effect, and in the using process, for some specific use occasions, such as buried underground high-voltage cables, the compression resistance capacity of the high-voltage cable has higher requirements.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the wind power composite flame-retardant high-voltage cable which has the advantages of good compression resistance effect and the like, and solves the problem of poor compression resistance effect of the existing wind power composite flame-retardant high-voltage cable.
In order to achieve the purpose, the utility model provides the following technical scheme: a wind power composite flame-retardant high-voltage cable comprises an inner sleeve, wherein a support is fixedly connected inside the inner sleeve, a plurality of cable cores are fixedly connected between the inner sleeve and the support, an inner insulating layer is fixedly connected to the outer surface of the inner sleeve, an inner flame-retardant layer is fixedly connected to the outer surface of the inner insulating layer, a pressure-resistant layer is arranged on the outer surface of the inner flame-retardant layer, an outer insulating layer is arranged on the outer surface of the pressure-resistant layer, an outer flame-retardant layer is fixedly connected to the outer surface of the outer insulating layer, an outer sleeve is fixedly connected to the outer surface of the outer flame-retardant layer, and a wear-resistant sleeve is fixedly connected to the outer surface of the outer sleeve;
the anti-pressure layer comprises a plurality of first convex blocks fixedly connected with the outer surface of the inner flame-retardant layer, the anti-pressure layer further comprises an anti-pressure sleeve positioned on the outer side of the inner flame-retardant layer, a plurality of second convex blocks fixedly connected with the inner wall of the anti-pressure sleeve are arranged, anti-pressure fillers are filled between the inner side of the anti-pressure sleeve and the outer surface of the inner flame-retardant layer, and the outer surface of the anti-pressure sleeve is fixedly connected with a reinforcing layer.
Furthermore, the first bumps and the second bumps are rubber bumps, and the first bumps and the second bumps are distributed in a staggered manner.
Furthermore, the compression-resistant filler is a flame-retardant foamed plastic filler, the compression-resistant sleeve is a steel wire woven compression-resistant sleeve, and the reinforcing layer is a steel wire mesh reinforcing layer.
Furthermore, the support is Y-shaped, and the inner insulating layer and the outer insulating layer are both polyethylene insulating sleeves.
Further, the inner flame-retardant layer is a mica tape flame-retardant layer, and the outer flame-retardant layer is a flame-retardant rubber flame-retardant layer.
Furthermore, the wear-resistant sleeve is a high-density polyethylene wear-resistant sleeve, and the inner sleeve and the outer sleeve are both rubber sleeves.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. this compound fire-retardant type high tension cable of wind-powered electricity generation adopts multilayer resistance to compression means through setting up the resistance to compression layer, can effectively improve the resistance to compression effect of this cable to protect the cable core.
2. This compound fire-retardant type high tension cable of wind-powered electricity generation through being provided with two-layer insulating layer and two-layer fire-retardant layer, improves the insulating effect and the flame retardant efficiency of this cable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the anti-pressure layer of the present invention.
In the figure: 1 inner sleeve, 2 supports, 3 cable cores, 4 inner insulating layers, 5 inner flame-retardant layers, 6 compression-resistant layers, 601 first bumps, 602 compression-resistant sleeves, 603 second bumps, 604 compression-resistant fillers, 605 reinforcing layers, 7 outer insulating layers, 8 outer flame-retardant layers, 9 outer sleeves and 10 wear-resistant sleeves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the wind power composite flame retardant high voltage cable in the embodiment includes an inner sleeve 1, a Y-shaped support 2 fixedly connected to an inside of the inner sleeve 1, a plurality of cable cores 3 fixedly connected between the inner sleeve 1 and the support 2, the support 2 isolating the plurality of cable cores 3, an inner insulating layer 4 fixedly connected to an outer surface of the inner sleeve 1, an inner flame retardant layer 5 fixedly connected to an outer surface of the inner insulating layer 4, a compression resistant layer 6 arranged on an outer surface of the inner flame retardant layer 5, an outer insulating layer 7 arranged on an outer surface of the compression resistant layer 6, an outer flame retardant layer 8 fixedly connected to an outer surface of the outer insulating layer 7, an outer jacket 9 fixedly connected to an outer surface of the outer flame retardant layer 8, and a wear-resistant sleeve 10 fixedly connected to an outer surface of the outer jacket 9.
The pressure-resistant layer 6 comprises a plurality of first bumps 601 fixedly connected with the outer surface of the inner flame-retardant layer 5, the pressure-resistant layer 6 further comprises a pressure-resistant sleeve 602 positioned on the outer side of the inner flame-retardant layer 5, the inner wall of the pressure-resistant sleeve 602 is fixedly connected with a plurality of second bumps 603, a pressure-resistant filler 604 is filled between the inner side of the pressure-resistant sleeve 602 and the outer surface of the inner flame-retardant layer 5, and the outer surface of the pressure-resistant sleeve 602 is fixedly connected with a reinforcing layer 605.
The first bump 601 and the second bump 603 are rubber bumps, the rubber bumps have certain elasticity, and can buffer external force, so that the compression-resistant effect is improved, and the first bump 601 and the second bump 603 are distributed in a staggered manner, so that pressure can be further buffered, and the shearing force is reduced.
Meanwhile, the compression-resistant filler 604 is a flame-retardant foam plastic filler, the flame-retardant foam plastic is a high polymer material formed by dispersing a large number of gas micropores in solid plastic, the compression-resistant sleeve 602 is a steel wire woven compression-resistant sleeve, the reinforcing layer 605 is a steel wire mesh reinforcing layer, and the steel wire woven compression-resistant sleeve and the steel wire mesh reinforcing layer can effectively improve the strength of the cable.
The compression-resistant layer 6 in this embodiment can effectively increase the compression-resistant effect of the cable by arranging the first bump 601, the second bump 603, the compression-resistant sleeve 602, the compression-resistant filler 604 and the reinforcing layer 605.
It should be noted that the inner insulating layer 4 and the outer insulating layer 7 are both polyethylene insulating sleeves, polyethylene is a thermoplastic resin prepared by polymerizing ethylene, and industrially also comprises a copolymer of ethylene and a small amount of alpha-olefin, polyethylene is odorless, nontoxic, has a wax-like hand feeling, has excellent low-temperature resistance, good chemical stability, can resist corrosion of most of acid and alkali, is insoluble in common solvents at normal temperature, has small water absorption and excellent electrical insulation, the inner flame-retardant layer 5 is a mica tape flame-retardant layer, mica tape is a fire-resistant insulating material, the outer flame-retardant layer 8 is a flame-retardant rubber flame-retardant layer, and the flame-retardant rubber is flame-retardant and flame-retardant rubber, and comprises chloroprene rubber, chlorosulfonated polyethylene, polyvinyl chloride, silicone rubber and the like.
It can be understood that the wear-resistant sleeve 10 is a high-density polyethylene wear-resistant sleeve, the high-density polyethylene is a white powder or granular product, the high-density polyethylene wear-resistant sleeve is non-toxic and tasteless, the hardness, the tensile strength and the creep property are superior to those of low-density polyethylene, the wear resistance, the electrical insulation property, the toughness and the cold resistance are good, and the inner sleeve 1 and the outer sleeve 9 are both rubber sleeves, so that the cable can be effectively protected.
The working principle of the above embodiment is as follows:
the compression-resistant layer 6 is composed of a first bump 601, a compression-resistant sleeve 602, a second bump 603, a compression-resistant filler 604 and a reinforcing layer 605, wherein the first bump 601 and the second bump 603 are both rubber bumps, and the compression-resistant sleeve 602, the compression-resistant filler 604 and the reinforcing layer 605 are respectively a steel wire woven compression-resistant sleeve, a flame-retardant foamed plastic filler and a steel wire mesh reinforcing layer, so that the compression-resistant effect of the cable is improved, meanwhile, the wear-resistant sleeve 10 improves the wear resistance, the inner insulating layer 4 and the outer insulating layer 7 improve the insulation property, and the inner flame-retardant layer 5 and the outer flame-retardant layer 8 improve the flame retardance.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a compound fire-retardant type high tension cable of wind-powered electricity generation, includes endotheca (1), its characterized in that: the cable comprises an inner sleeve (1), a support (2) and a plurality of cable cores (3), wherein the support (2) is fixedly connected inside the inner sleeve (1), the inner insulating layer (4) is fixedly connected to the outer surface of the inner sleeve (1), the inner flame-retardant layer (5) is fixedly connected to the outer surface of the inner insulating layer (4), the pressure-resistant layer (6) is arranged on the outer surface of the inner flame-retardant layer (5), the outer insulating layer (7) is arranged on the outer surface of the pressure-resistant layer (6), the outer flame-retardant layer (8) is fixedly connected to the outer surface of the outer insulating layer (7), the outer sleeve (9) is fixedly connected to the outer surface of the outer flame-retardant layer (8), and the wear-resistant sleeve (10) is fixedly connected to the outer surface of the outer sleeve (9);
the pressure-resistant layer (6) comprises a plurality of first convex blocks (601) fixedly connected with the outer surface of the inner flame-retardant layer (5), the pressure-resistant layer (6) further comprises a pressure-resistant sleeve (602) positioned on the outer side of the inner flame-retardant layer (5), the inner wall of the pressure-resistant sleeve (602) is fixedly connected with a plurality of second convex blocks (603), a pressure-resistant filler (604) is filled between the inner side of the pressure-resistant sleeve (602) and the outer surface of the inner flame-retardant layer (5), and the outer surface of the pressure-resistant sleeve (602) is fixedly connected with a reinforcing layer (605).
2. The wind power composite flame-retardant high-voltage cable according to claim 1, characterized in that: the first bumps (601) and the second bumps (603) are both rubber bumps, and the first bumps (601) and the second bumps (603) are distributed in a staggered manner.
3. The wind power composite flame-retardant high-voltage cable according to claim 1, characterized in that: the compression-resistant filler (604) is a flame-retardant foam plastic filler, the compression-resistant sleeve (602) is a steel wire woven compression-resistant sleeve, and the reinforcing layer (605) is a steel wire mesh reinforcing layer.
4. The wind power composite flame-retardant high-voltage cable according to claim 1, characterized in that: the support (2) is Y-shaped, and the inner insulating layer (4) and the outer insulating layer (7) are both polyethylene insulating sleeves.
5. The wind power composite flame-retardant high-voltage cable according to claim 1, characterized in that: the inner flame-retardant layer (5) is a mica tape flame-retardant layer, and the outer flame-retardant layer (8) is a flame-retardant rubber flame-retardant layer.
6. The wind power composite flame-retardant high-voltage cable according to claim 1, characterized in that: the wear-resistant sleeve (10) is a high-density polyethylene wear-resistant sleeve, and the inner sleeve (1) and the outer sleeve (9) are both rubber sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123033561.6U CN216388826U (en) | 2021-12-06 | 2021-12-06 | Wind power composite flame-retardant high-voltage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123033561.6U CN216388826U (en) | 2021-12-06 | 2021-12-06 | Wind power composite flame-retardant high-voltage cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216388826U true CN216388826U (en) | 2022-04-26 |
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ID=81221675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123033561.6U Active CN216388826U (en) | 2021-12-06 | 2021-12-06 | Wind power composite flame-retardant high-voltage cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216388826U (en) |
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2021
- 2021-12-06 CN CN202123033561.6U patent/CN216388826U/en active Active
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