CN216697925U - Lightweight soft copper core crosslinked polyethylene insulated overhead cable - Google Patents
Lightweight soft copper core crosslinked polyethylene insulated overhead cable Download PDFInfo
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- CN216697925U CN216697925U CN202123315033.XU CN202123315033U CN216697925U CN 216697925 U CN216697925 U CN 216697925U CN 202123315033 U CN202123315033 U CN 202123315033U CN 216697925 U CN216697925 U CN 216697925U
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- 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
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- 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
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Abstract
The utility model discloses a light-weight soft copper core crosslinked polyethylene insulated overhead cable which comprises wire cores, a cable core and an outer sheath, wherein the cable core consists of a plurality of wire cores and a wrapping tape, the wrapping tape is arranged outside the plurality of wire cores in a surrounding manner, fillers are filled among the plurality of wire cores, the fillers are glass fibers, an outer shielding layer is arranged outside the cable core in a surrounding manner, a first armored steel wire layer is arranged outside the outer shielding layer in a surrounding manner, and a compression resistant layer is arranged outside the first armored steel wire layer in a surrounding manner. According to the cable, the outer flame-retardant layer is arranged and is made of the foamed aluminum material, the foamed aluminum has good high-temperature-resistant flame-retardant performance and has certain sound insulation, noise reduction and electromagnetic shielding functions, so that the flame-retardant effect is good, the overall material of the foamed aluminum is light, the weight of the cable can be effectively reduced, the aluminum hydroxide powder is added into pores in the foamed aluminum, the flame-retardant effect can be further improved, and the use safety of the cable is effectively improved.
Description
Technical Field
The utility model relates to the related technical field of cables, in particular to a lightweight soft copper core crosslinked polyethylene insulated overhead cable.
Background
The overhead insulated cable is a special cable manufactured by a production process similar to a crosslinked cable, is a new power transmission mode between the overhead conductor and an underground cable, needs to use a support tower for the overhead cable when being installed, and is mainly applied to urban streets, green sections, overhead lines close to buildings and rural wide areas with continuously improved requirements on power supply safety and operation management.
The holistic high temperature resistant flame retardant property of current aerial [ insulated ] cable is not good for the security of the whole use of cable is not high, the holistic resistance to compression effect of aerial [ insulated ] cable is not good simultaneously, when the cable outside received pressure or impact force, can lead to the inside deformation that appears of cable, and then influence the cable and normally work, the weight of current aerial [ insulated ] cable self is big simultaneously, it is serious to lead to the cable middle part to sink, and then lead to bringing certain load for the cable, the influence is used, need improve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lightweight soft copper core crosslinked polyethylene insulated overhead cable to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a light-weight soft copper core crosslinked polyethylene insulated overhead cable, includes sinle silk, cable core and oversheath, the cable core comprises a plurality of sinle silks and around the band, establish outside a plurality of sinle silks around the band winding, it is a plurality of it has the filler to fill between the sinle silk, the filler is glass fiber, the outside ring of cable core is equipped with outer shielding layer, the outside ring of outer shielding layer is equipped with first armor steel wire layer, the outside ring of first armor steel wire layer is equipped with the compressive layer, the outside ring of compressive layer is equipped with outer fire-retardant layer, be equipped with second armor steel wire layer between outer fire-retardant layer and the oversheath.
As further preferable in the present technical solution: the sinle silk includes a plurality of copper core conductors, and is a plurality of the copper core conductor outside encircles and is equipped with the internal insulation layer, the external ring of internal insulation layer is equipped with the internal shield layer, the external ring of internal shield layer is equipped with the fire-retardant layer of silica glass fiber tape.
As further preferable in the present technical solution: the inner shielding layer and the outer shielding layer are the same in structure, and are woven by using bobbin yarns.
As further preferable in the present technical solution: the anti-pressure layer comprises an anti-pressure rubber strip and a buffering air bag strip wrapped outside the anti-pressure rubber strip, the cross section of the anti-pressure rubber strip is circular, and the anti-pressure rubber strip is located in the center of the inside of the buffering air bag strip.
As further preferable in the present technical solution: the anti-pressure rubber strips are arranged in a plurality of circumferential and uniformly distributed between the first armored steel wire layer and the outer flame-retardant layer, and a drying agent is filled between every two adjacent anti-pressure rubber strips.
As further preferable in the present technical solution: the outer flame-retardant layer comprises foamed aluminum, the foamed aluminum is annularly arranged outside the pressure-resistant layer, a plurality of pores are arranged in the foamed aluminum, and aluminum hydroxide powder is arranged in the pores.
As further preferable in the present technical solution: the outer wall of the outer sheath is annularly provided with a plurality of wear-resistant protrusions, the cross section of the outer sheath is provided with a plurality of oblong through holes, and the oblong through holes are circumferentially and uniformly distributed on the cross section of the outer sheath.
The utility model provides a lightweight soft copper core crosslinked polyethylene insulated overhead cable which has the following beneficial effects:
(1) according to the utility model, the outer flame-retardant layer is arranged and made of foamed aluminum, the foamed aluminum has good high-temperature-resistant flame-retardant property and certain sound insulation, noise reduction and electromagnetic shielding functions, so that the flame-retardant effect is good, the overall material of the foamed aluminum is light, the weight of the cable can be effectively reduced, and the aluminum hydroxide powder is added into pores in the foamed aluminum, so that the flame-retardant effect can be further improved, and the use safety of the cable is effectively improved.
(2) According to the utility model, the anti-compression layer is arranged and consists of the plurality of anti-compression rubber strips, the buffering air bags are annularly arranged outside the plurality of anti-compression rubber strips, when the external part of the cable is subjected to impact force, the impact force can be buffered by the buffering air bags, meanwhile, the anti-compression effect inside the cable can be increased by the anti-compression rubber strips, the interior of the cable is effectively protected, and the drying agent is arranged between two adjacent anti-compression rubber strips, so that the dryness inside the cable can be ensured, and the use stability of the cable can be increased.
(3) According to the utility model, the wear-resisting bulges are arranged on the outer wall of the outer sheath, so that the wear resistance of the outer sheath can be improved, and meanwhile, the plurality of oblong through holes are arranged on the cross section of the outer sheath in a penetrating manner, so that the weight of the outer sheath can be effectively reduced, and the cable is light.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of part A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the structure of the outer flame retardant layer of the present invention;
fig. 4 is a schematic diagram of a core structure of the present invention.
In the figure: 1. a wire core; 2. a cable core; 3. a filler; 4. wrapping a tape; 5. an outer shield layer; 6. a first armor wire layer; 7. a pressure resistant layer; 8. an outer flame retardant layer; 9. a second armor wire layer; 10. an outer sheath; 11. a compression-resistant rubber strip; 12. a cushioning air bag strip; 13. a desiccant; 14. foamed aluminum; 15. aluminum hydroxide powder; 16. a copper-core conductor; 17. an inner insulating layer; 18. an inner shield layer; 19. a silica glass fiber tape flame retardant layer; 20. an oblong through-hole; 21. wear-resisting protruding.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 4, the present invention provides a technical solution: the utility model provides a light-weight soft copper core crosslinked polyethylene insulation aerial [ insulated ] cable, including sinle silk 1, cable core 2 and oversheath 10, cable core 2 comprises a plurality of sinle silks 1 and around band 4, establish at a plurality of sinle silks 1 outsidely around band 4 rings, it has filler 3 to fill between a plurality of sinle silks 1, filler 3 is glass fiber, 2 outside rings of cable core are equipped with outer shielding layer 5, 5 outside rings of outer shielding layer are equipped with first armor steel wire layer 6, 6 outside rings of first armor steel wire layer are equipped with compressive layer 7, 7 outside rings of compressive layer are equipped with outer fire-retardant layer 8, be equipped with second armor steel wire layer 9 between outer fire-retardant layer 8 and the oversheath 10.
In this embodiment, specifically: sinle silk 1 includes a plurality of copper core conductors 16, and a plurality of copper core conductors 16 outside encircles and is equipped with inner insulating layer 17, and inner insulating layer 17 outside encircles and is equipped with internal shield layer 18, and the outside ring of internal shield layer 18 is equipped with fire-retardant layer 19 of silica glass fiber tape, through setting up fire-retardant layer 19 of silica glass fiber tape, can carry out fire-retardant protection to sinle silk 1, improves the security of cable use.
In this embodiment, specifically: the structure of the inner shielding layer 18 is the same as that of the outer shielding layer 5, the inner shielding layer 18 and the outer shielding layer 5 are woven by using bobbin yarns, and the overall electromagnetic shielding effect of the cable is good and the cable is convenient to use by arranging the inner shielding layer 18 and the outer shielding layer 5.
In this embodiment, specifically: the anti-pressure layer 7 includes anti-pressure rubber strip 11 and wraps up at the outside buffering gasbag strip 12 of anti-pressure rubber strip 11, the cross section of anti-pressure rubber strip 11 is circular, anti-pressure rubber strip 11 is located the inside central point of buffering gasbag strip 12, through setting up anti-pressure rubber strip 11 and buffering gasbag strip 12, when the cable outside receives the impact force, can utilize buffering gasbag strip 12 to cushion the impact force, buffering gasbag strip 12 can cushion the impact force simultaneously, can utilize anti-pressure rubber strip 11 to increase the inside holistic crushing resistance of cable simultaneously, make the holistic intensity of cable high.
In this embodiment, specifically: the compression-resistant rubber strips 11 are provided with a plurality of compression-resistant rubber strips, the compression-resistant rubber strips 11 are uniformly distributed between the first armored steel wire layer 6 and the outer flame-retardant layer 8 in the circumferential direction, drying agents 13 are filled between every two adjacent compression-resistant rubber strips 11, through the arrangement of the compression-resistant rubber strips 11, the whole compression-resistant effect of the cable is good, the drying agents 13 are filled between every two adjacent compression-resistant rubber strips 11, and the drying agents 13 can be utilized to guarantee the drying effect inside the cable to be good.
In this embodiment, specifically: outer fire-retardant layer 8 includes foamed aluminum 14, foamed aluminum 14 ring is established at anti-pressure layer 7 outsidely, be equipped with a plurality of hole in the foamed aluminum 14, the inside aluminium hydroxide powder 15 that is equipped with in a plurality of hole, through setting up foamed aluminum 14, foamed aluminum 14 has good high temperature resistant flame retardant property, certain sound insulation is fallen and make an uproar and electromagnetic shield function have simultaneously, make fire-retardant effect good, and 14 whole materials of foamed aluminum are lighter, can effectively reduce the weight of cable, through adding aluminium hydroxide powder 15 in the hole in foamed aluminum 14, can further improve fire-retardant effect, effectively increase the safe in utilization of cable.
In this embodiment, specifically: the wear-resisting bulges 21 are annularly arranged on the outer wall of the outer sheath 10, the cross section of the outer sheath 10 is provided with the oval through holes 20, the oval through holes 20 are circumferentially and uniformly distributed on the cross section of the outer sheath 10, the overall wear resistance of the outer sheath 10 can be improved by arranging the wear-resisting bulges 21, and meanwhile due to the arrangement of the oval through holes 20, the material and weight of the outer sheath 10 can be effectively reduced, so that the cable is light in weight.
It should be noted that, when the lightweight flexible copper core crosslinked polyethylene insulated overhead cable works, the anti-pressure layer 7 is arranged, when the external part of the cable is subjected to impact force, the impact force can be buffered by the buffering air bag strips 12, meanwhile, the overall compressive resistance of the interior of the cable can be increased by the compression-resistant rubber strips 11, meanwhile, the overall strength of the cable can be high by the arrangement of the first armored steel wire layer 6 and the second armored steel wire layer 9, the desiccant 13 is filled between the two adjacent compression-resistant rubber strips 11, the desiccant 13 can be used for absorbing moisture in the interior of the cable, and the drying effect of the interior of the cable is good; through setting up fire-retardant layer, and adopt foamed aluminum 14 material with fire-retardant layer, foamed aluminum 14 has good high temperature resistant flame retardant property, certain sound insulation noise reduction and electromagnetic shield function have simultaneously, make flame retardant efficiency good, and 14 whole materials of foamed aluminum are lighter, can effectively reduce the weight of cable, through adding aluminium hydroxide powder 15 in the hole in foamed aluminum 14, can further improve flame retardant efficiency, effectively increase the safe in utilization of cable, through be equipped with a plurality of wear-resisting archs 21 at outer sheath 10 surface, can increase the holistic wearability of oversheath 10, a plurality of oval long through-hole 20's setting simultaneously, can effectively reduce material and weight of oversheath 10, make the cable lightweight.
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 (7)
1. The utility model provides a light-weight soft copper core crosslinked polyethylene insulation aerial cable, its characterized in that, includes sinle silk (1), cable core (2) and oversheath (10), cable core (2) comprise a plurality of sinle silks (1) and around band (4), establish outside a plurality of sinle silks (1) around band (4) ring, it is a plurality of it has filler (3) to fill between sinle silks (1), filler (3) are glass fiber, cable core (2) outside ring is equipped with outer shielding layer (5), outer shielding layer (5) outside ring is equipped with first armor steel wire layer (6), the outside ring of first armor steel wire layer (6) is equipped with anti-compression layer (7), the outside ring of anti-compression layer (7) is equipped with outer fire-retardant layer (8), be equipped with second armor steel wire layer (9) between outer fire-retardant layer (8) and oversheath (10).
2. The light-weight soft copper core crosslinked polyethylene insulated overhead cable according to claim 1, characterized in that: sinle silk (1) are including a plurality of copper core conductor (16), and are a plurality of copper core conductor (16) outside ring is equipped with inner insulating layer (17), inner insulating layer (17) outside ring is equipped with internal shield layer (18), internal shield layer (18) outside ring is equipped with fire-retardant layer (19) in silica glass fiber tape.
3. The light-weight soft copper core crosslinked polyethylene insulated overhead cable according to claim 2, characterized in that: the inner shielding layer (18) and the outer shielding layer (5) are identical in structure, and the inner shielding layer (18) and the outer shielding layer (5) are woven by using bobbin yarns.
4. The light-weight soft copper core crosslinked polyethylene insulated overhead cable according to claim 1, characterized in that: the anti-pressure layer (7) comprises an anti-pressure rubber strip (11) and a buffer air bag strip (12) wrapped outside the anti-pressure rubber strip (11), the cross section of the anti-pressure rubber strip (11) is circular, and the anti-pressure rubber strip (11) is located in the center of the inner portion of the buffer air bag strip (12).
5. The light-weight soft copper core crosslinked polyethylene insulated overhead cable according to claim 4, characterized in that: the pressure-resistant rubber strips (11) are arranged in a plurality of circumferential uniformly distributed between the first armored steel wire layer (6) and the outer flame-retardant layer (8), and a drying agent (13) is filled between every two adjacent pressure-resistant rubber strips (11).
6. The light-weight soft copper core crosslinked polyethylene insulated overhead cable according to claim 1, characterized in that: the outer flame-retardant layer (8) comprises foamed aluminum (14), the foamed aluminum (14) is annularly arranged outside the pressure-resistant layer (7), a plurality of pores are arranged in the foamed aluminum (14), and aluminum hydroxide powder (15) is arranged inside the pores.
7. The light-weight soft copper core crosslinked polyethylene insulated overhead cable according to claim 1, characterized in that: the outer wall of the outer sheath (10) is annularly provided with a plurality of wear-resistant protrusions (21), the cross section of the outer sheath (10) is provided with a plurality of oblong through holes (20), and the oblong through holes (20) are circumferentially and uniformly distributed on the cross section of the outer sheath (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123315033.XU CN216697925U (en) | 2021-12-27 | 2021-12-27 | Lightweight soft copper core crosslinked polyethylene insulated overhead cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123315033.XU CN216697925U (en) | 2021-12-27 | 2021-12-27 | Lightweight soft copper core crosslinked polyethylene insulated overhead cable |
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| CN216697925U true CN216697925U (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123315033.XU Active CN216697925U (en) | 2021-12-27 | 2021-12-27 | Lightweight soft copper core crosslinked polyethylene insulated overhead cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116844768A (en) * | 2023-05-12 | 2023-10-03 | 新疆中超新能源电力科技有限公司 | High-strength light overhead insulated cable |
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2021
- 2021-12-27 CN CN202123315033.XU patent/CN216697925U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116844768A (en) * | 2023-05-12 | 2023-10-03 | 新疆中超新能源电力科技有限公司 | High-strength light overhead insulated cable |
| CN116844768B (en) * | 2023-05-12 | 2024-06-07 | 新疆中超新能源电力科技有限公司 | High-strength light overhead insulated cable |
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