CN217306156U - Heavy silicone rubber three-core high-voltage cable - Google Patents
Heavy silicone rubber three-core high-voltage cable Download PDFInfo
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- CN217306156U CN217306156U CN202220367130.9U CN202220367130U CN217306156U CN 217306156 U CN217306156 U CN 217306156U CN 202220367130 U CN202220367130 U CN 202220367130U CN 217306156 U CN217306156 U CN 217306156U
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- Prior art keywords
- wear
- layer
- resistant
- cable
- heat
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- 229920002379 silicone rubber Polymers 0.000 title claims abstract description 15
- 239000004945 silicone rubber Substances 0.000 title claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000000741 silica gel Substances 0.000 claims abstract description 35
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 35
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 32
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000004760 aramid Substances 0.000 claims abstract description 19
- 229920003235 aromatic polyamide Polymers 0.000 claims abstract description 19
- 239000000945 filler Substances 0.000 claims abstract description 19
- 239000010445 mica Substances 0.000 claims abstract description 17
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 17
- 238000002955 isolation Methods 0.000 claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229920003020 cross-linked polyethylene Polymers 0.000 claims abstract description 14
- 239000004703 cross-linked polyethylene Substances 0.000 claims abstract description 14
- 229920006122 polyamide resin Polymers 0.000 claims abstract description 14
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 229920006282 Phenolic fiber Polymers 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 8
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 8
- 239000004800 polyvinyl chloride Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 238000009941 weaving Methods 0.000 claims description 4
- 238000009954 braiding Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 4
- 230000005684 electric field Effects 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 230000032683 aging Effects 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
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
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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
- 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
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a heavy silicone rubber three-core high-voltage cable, which comprises a cable core; the cable comprises a cable core, a braided copper wire belt shielding layer, a crosslinked polyethylene insulating layer, a polyamide resin fireproof layer, a mica isolation belt heat-resistant layer, a butadiene rubber wear-resistant layer and a silica gel heat-conducting block, wherein the surface of the cable core is provided with a flexible aramid yarn filler, the surface of the flexible aramid yarn filler is sequentially provided with a braided copper wire belt shielding layer, a crosslinked polyethylene insulating layer, a polyamide resin fireproof layer, a mica isolation belt heat-resistant layer, a butadiene rubber wear-resistant layer and a silica gel heat-conducting block, wear-resistant strips are arranged on the surface of the butadiene rubber wear-resistant layer at equal intervals, wear-resistant lugs are arranged on the surface of the wear-resistant strips at equal intervals, and two groups of wear-resistant iron wires are arranged inside the wear-resistant strips; the utility model discloses a cis-polybutadiene wearing layer, wear-resisting strip and wear-resisting lug and wear-resisting iron wire structure have realized increasing cable surface wear resistance, reduce the cable and install the influence of circuit well head to cable surface in the installation, wear-resisting iron wire has increased cable surface strength simultaneously for cable surface obtains effectual protection, thereby has improved the life of cable.
Description
Technical Field
The utility model relates to the technical field of cables, specifically be a heavy three-core high tension silicone rubber cable.
Background
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 coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation.
Through retrieval, the cable is named as a utility model of a three-core cable with the patent number of 201620607666.8, and comprises an outer sleeve component, a trigeminal framework and a rock wool rope filling layer, wherein the trigeminal framework is coated in the outer sleeve component, and three mutually independent fan-shaped closed spaces are formed by three edges of the trigeminal framework and the inner wall of the outer sleeve component; the three fan-shaped closed spaces are respectively provided with a first cable core, a second cable core and a third cable core, and the rock wool rope filling layers are filled among the first cable core, the second cable core, the third cable core, the outer sleeve component and the trigeminal framework, and research and analysis show that the cable has the advantage of stable structure, but has the defect of poor wear resistance of the cable surface to a certain extent, such as,
1. when the existing cable is installed underground, the surface of the cable is scratched and rubbed with the surface of a wellhead of an installation line, so that the surface of the cable is abraded, the integral structure of the surface of the cable is damaged, the integral strength of the cable is weakened, the aging speed of a surface wear-resistant layer of the cable is accelerated in the later use process, the inner part of the cable cannot be continuously protected, and the service life of the cable is shortened.
2. When the existing cable is used in a power-on mode, the internal wire core can generate certain high temperature under the power-on condition, and the temperature influences the resistance inside the cable, so that the using effect of the cable is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heavy three-core high tension silicone rubber cable to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a heavy silicone rubber three-core high-voltage cable comprises cable cores; the surface of the cable core is provided with a flexible aramid yarn filler, and the surface of the flexible aramid yarn filler is sequentially provided with a braided copper wire belt shielding layer, a crosslinked polyethylene insulating layer, a polyamide resin fireproof layer, a mica isolation belt heat-resistant layer, a butadiene rubber wear-resistant layer and a silica gel heat-conducting block;
wear-resistant strips are arranged on the surface of the butadiene rubber wear-resistant layer at equal intervals, wear-resistant lugs are arranged on the surface of the wear-resistant strips at equal intervals, and two groups of wear-resistant iron wires are arranged inside the wear-resistant strips;
the silica gel heat conduction block is located inside the butadiene rubber wear-resistant layer, the bottom end of the silica gel heat conduction block is fixed on the surface of the mica isolation belt heat-resistant layer through glue, and the top end of the silica gel heat conduction block penetrates through the surface of the butadiene rubber wear-resistant layer.
Preferably, the wear-resistant strips are arranged in pairs at equal intervals, and the butadiene rubber wear-resistant layer, the wear-resistant strips and the wear-resistant bumps are made of the same material.
Preferably, the silica gel heat conduction block is positioned between the two groups of wear-resistant strips, and the height dimension of the silica gel heat conduction block on the surface of the butadiene rubber wear-resistant layer is smaller than that of the wear-resistant strips.
Preferably, the butadiene rubber wear-resistant layer is provided with an open slot at the position of the silica gel heat conducting block, and the silica gel heat conducting block is arranged in the open slot.
Preferably, the surface of the cable core is provided with a polyvinyl chloride protective sleeve, and the polyvinyl chloride protective sleeve is in direct contact with the flexible aramid yarn filler.
Preferably, the inside of flexible aramid yarn filler is equipped with three group's cable cores, and the surface of flexible aramid yarn filler is equipped with phenolic fiber fabric winding layer, has the clearance between three group's cable cores.
Preferably, the shielding layer of the braided copper wire belt is fixed on the surface of the winding layer of the phenolic fiber fabric by braiding, and the surface of the shielding layer of the braided copper wire belt is provided with the crosslinked polyethylene insulating layer by heat seal.
Preferably, the surface of the crosslinked polyethylene insulating layer is fixedly provided with a polyamide resin fire-proof layer through heat seal, and the surface of the polyamide resin fire-proof layer is provided with a mica isolation belt heat-resistant layer through weaving.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a cis-polybutadiene rubber wearing layer, wear-resisting strip and wear-resisting lug and wear-resisting iron wire structure have realized increasing cable surface wear resistance, reduce the cable and install the influence of circuit well head to cable surface in the installation, wear-resisting iron wire has increased cable surface intensity simultaneously for cable surface obtains effectual protection, thereby has improved the life of cable.
2. The utility model discloses a silica gel heat conduction piece and mica median heat-resistant layer structure have realized dispelling the heat fast to the cable, avoid the inside circular telegram of cable to heat up unable timely heat dissipation for the inside temperature of cable reduces the influence of cable to some extent, thereby improves the result of use of cable.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a side cross-sectional view of the present invention;
FIG. 3 is a sectional view of the main view of the present invention;
fig. 4 is an enlarged schematic view of a in fig. 2 according to the present invention.
In the figure: 1. a cable core; 101. a polyvinyl chloride protective sleeve; 2. a flexible aramid yarn filler; 201. a phenolic fiber fabric winding layer; 3. weaving a copper wire belt shielding layer; 4. a crosslinked polyethylene insulating layer; 5. a polyamide resin fire-resistant layer; 6. a heat-resistant layer of a mica isolation belt; 7. a butadiene rubber wear layer; 701. an open slot; 702. wear resistant strips; 703. a wear-resistant bump; 704. wear-resistant iron wires; 8. silica gel heat conduction piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment of: a heavy silicone rubber three-core high-voltage cable comprises a cable core 1; the surface of the cable core 1 is provided with a flexible aramid yarn filler 2, and the surface of the flexible aramid yarn filler 2 is sequentially provided with a braided copper wire belt shielding layer 3, a crosslinked polyethylene insulating layer 4, a polyamide resin fireproof layer 5, a mica isolation belt heat-resistant layer 6, a butadiene rubber wear-resistant layer 7 and a silica gel heat-conducting block 8;
wear-resistant strips 702 are arranged on the surface of the butadiene rubber wear-resistant layer 7 at equal intervals, wear-resistant lugs 703 are arranged on the surface of the wear-resistant strips 702 at equal intervals, and two groups of wear-resistant iron wires 704 are arranged inside the wear-resistant strips 702;
the silica gel heat conduction block 8 is positioned inside the butadiene rubber wear-resistant layer 7, the bottom end of the silica gel heat conduction block 8 is fixed on the surface of the mica isolation belt heat-resistant layer 6 through glue, and the top end of the silica gel heat conduction block 8 penetrates through the butadiene rubber wear-resistant layer 7 and is positioned on the surface of the butadiene rubber wear-resistant layer 7;
specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, when the cable is in contact with a wellhead of an installation line during installation, the cable is firstly in contact with the wellhead of the installation line through the wear-resistant bumps 703 on the surfaces of the wear-resistant strips 702, and after the wear-resistant bumps 703 disappear due to friction, the cable is finally protected through the wear-resistant strips 702 on the surfaces of the butadiene rubber wear-resistant layers 7, so that the wear resistance of the surface of the cable is improved, thereby reducing the influence of the wellhead of the installation line on the surface of the cable during installation of the cable, and meanwhile, the wear-resistant iron wires increase the surface strength of the cable, so that the surface of the cable is effectively protected, thereby improving the service life of the cable, when the cable is in power-on operation, and the inner core of the cable generates high temperature during power-on, the outer silica gel heat-conducting blocks 8 can quickly conduct the temperature inside the cable to the air, so that the temperature inside the cable is reduced, the problem that the temperature rise of the inside of the cable cannot be timely dissipated is avoided, so that the influence of the temperature inside the cable on the use of the cable is reduced, and the use effect of the cable is improved.
Further, the wear-resistant strips 702 are arranged in pairs at equal intervals, and the butadiene rubber wear-resistant layer 7, the wear-resistant strips 702 and the wear-resistant bumps 703 are made of the same material;
further, the silica gel heat conducting block 8 is positioned between the two groups of wear resistant strips 702, and the height of the silica gel heat conducting block 8 positioned on the surface of the butadiene rubber wear resistant layer 7 is lower than that of the wear resistant strips 702;
furthermore, an open slot 701 is formed in the position, located on the silica gel heat conducting block 8, of the butadiene rubber wear-resistant layer 7, and the silica gel heat conducting block 8 is located inside the open slot 701;
specifically, as shown in fig. 2 and fig. 4, in the cable use process, the wear-resistant strips 702 and the wear-resistant bumps 703 on the surface of the butadiene rubber wear-resistant layer 7 are in external contact at first, and the cable itself is protected, so that the wear-resistant performance of the cable surface is improved, and meanwhile, when heat inside the cable is conducted, at first, the silica gel heat-conducting blocks 8 absorb heat inside the mica isolation belt heat-resistant layer 6, and then the heat is conducted to the air through the heat conductivity of the silica gel heat-conducting blocks 8, and meanwhile, the higher wear-resistant strips 702 have a certain protection effect on the silica gel heat-conducting blocks 8.
Further, a polyvinyl chloride protective sleeve 101 is arranged on the surface of the cable core 1, and the polyvinyl chloride protective sleeve 101 is in direct contact with the flexible aramid yarn filler 2;
further, three groups of cable cores 1 are arranged inside the flexible aramid yarn filler 2, a phenolic fiber fabric winding layer 201 is arranged on the surface of the flexible aramid yarn filler 2, and gaps exist among the three groups of cable cores 1;
specifically, as shown in fig. 2, the phenolic fiber fabric winding layer 201 wraps the flexible aramid yarn filler 2 on the surfaces of the three groups of cable cores 1, and is matched with the polyvinyl chloride protective sleeve 101 to protect the cable cores 1.
Further, the braided copper wire tape shielding layer 3 is fixed on the surface of the phenolic fiber fabric winding layer 201 through braiding, and the surface of the braided copper wire tape shielding layer 3 is provided with a crosslinked polyethylene insulating layer 4 through heat seal;
further, a polyamide resin fire-proof layer 5 is fixedly arranged on the surface of the crosslinked polyethylene insulating layer 4 through heat seal, and a mica isolation belt heat-resistant layer 6 is arranged on the surface of the polyamide resin fire-proof layer 5 through weaving;
specifically, as shown in fig. 3, the shielding layer 3 of the braided copper wire tape shields an external electric field and a magnetic field in the use process of the cable, the external crosslinked polyethylene insulating layer 4 insulates the external environment, and the polyamide resin fireproof layer 5 and the mica isolation tape heat-resistant layer 6 protect the cable against fire and heat.
The working principle is as follows: when the cable is used, when the cable is contacted with a wellhead of an installation line in the installation process, the cable is firstly contacted with the wellhead of the installation line through the wear-resistant lugs 703 on the surfaces of the wear-resistant strips 702, after the wear-resistant lugs 703 are worn away, the cable is finally protected through the wear-resistant strips 702 on the surfaces of the butadiene rubber wear-resistant layers 7, so that the wear resistance of the surface of the cable is improved, when the cable is electrified, firstly, the silica gel heat-conducting blocks 8 absorb heat inside the heat-resistant layers 6 of the mica isolation belts, then, the heat is conducted to the air through the heat conductivity of the silica gel heat-conducting blocks 8, meanwhile, the higher wear-resistant strips 702 have certain protection effect on the silica gel heat-conducting blocks 8, the copper wire belt shielding layers 3 are woven in the use process of the cable to shield external electric fields and magnetic fields, and meanwhile, the external crosslinked polyethylene insulating layers 4 play an insulating role in the external environment, the polyamide resin fireproof layer 5 and the mica isolation belt heat-resistant layer 6 play a fireproof and heat-resistant role in the cable.
The details of the present invention are not described in detail, but are well known to those skilled in the art.
Finally, it is to be noted that: although the present invention has been described in detail with reference to the embodiments, those skilled in the art will understand that the technical solutions of the present invention can be modified and replaced with other solutions without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (8)
1. A heavy silicone rubber three-core high-voltage cable comprises a cable core (1); the method is characterized in that: the cable comprises a cable core (1), wherein a flexible aramid yarn filler (2) is arranged on the surface of the cable core (1), and a braided copper wire belt shielding layer (3), a crosslinked polyethylene insulating layer (4), a polyamide resin fireproof layer (5), a mica isolation belt heat-resistant layer (6), a butadiene rubber wear-resistant layer (7) and a silica gel heat-conducting block (8) are sequentially arranged on the surface of the flexible aramid yarn filler (2);
wear-resistant strips (702) are arranged on the surface of the butadiene rubber wear-resistant layer (7) at equal intervals, wear-resistant bumps (703) are arranged on the surface of the wear-resistant strips (702) at equal intervals, and two groups of wear-resistant iron wires (704) are arranged inside the wear-resistant strips (702);
the heat-conducting silica gel block (8) is located inside the butadiene rubber wear-resisting layer (7), the bottom end of the heat-conducting silica gel block (8) is fixed on the surface of the mica isolation belt heat-resisting layer (6) through glue, and the top end of the heat-conducting silica gel block (8) penetrates through the surface of the butadiene rubber wear-resisting layer (7) located on the butadiene rubber wear-resisting layer (7).
2. The heavy-duty silicone rubber three-core high-voltage cable according to claim 1, wherein: the wear-resistant strips (702) are arranged in pairs at equal intervals, and the butadiene rubber wear-resistant layer (7), the wear-resistant strips (702) and the wear-resistant lugs (703) are made of the same material.
3. The heavy-duty silicone rubber three-core high-voltage cable according to claim 1, wherein: the silica gel heat conduction block (8) is positioned between the two groups of wear-resistant strips (702), and the height of the silica gel heat conduction block (8) on the surface of the butadiene rubber wear-resistant layer (7) is smaller than that of the wear-resistant strips (702).
4. The heavy-duty silicone rubber three-core high-voltage cable according to claim 1, wherein: the wear-resistant layer (7) of the butadiene rubber is provided with an open slot (701) at the position of the silica gel heat-conducting block (8), and the silica gel heat-conducting block (8) is arranged in the open slot (701).
5. The heavy-duty silicone rubber three-core high-voltage cable according to claim 1, wherein: the surface of the cable core (1) is provided with a polyvinyl chloride protective sleeve (101), and the polyvinyl chloride protective sleeve (101) is in direct contact with the flexible aramid yarn filler (2).
6. The heavy-duty silicone rubber three-core high-voltage cable according to claim 1, wherein: the inside of flexible aramid yarn filler (2) is equipped with three group cable core (1), and the surface of flexible aramid yarn filler (2) is equipped with phenolic fiber fabric winding layer (201), has the clearance between three group cable core (1).
7. The heavy-duty silicone rubber three-core high-voltage cable according to claim 1, wherein: the braided copper wire belt shielding layer (3) is fixed on the surface of the phenolic fiber fabric winding layer (201) through braiding, and the surface of the braided copper wire belt shielding layer (3) is provided with a crosslinked polyethylene insulating layer (4) through heat seal.
8. The heavy-duty silicone rubber three-core high-voltage cable according to claim 1, wherein: the surface of the crosslinked polyethylene insulating layer (4) is fixedly provided with a polyamide resin fireproof layer (5) through heat seal, and the surface of the polyamide resin fireproof layer (5) is provided with a mica isolation belt heat-resistant layer (6) through weaving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220367130.9U CN217306156U (en) | 2022-02-23 | 2022-02-23 | Heavy silicone rubber three-core high-voltage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220367130.9U CN217306156U (en) | 2022-02-23 | 2022-02-23 | Heavy silicone rubber three-core high-voltage cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217306156U true CN217306156U (en) | 2022-08-26 |
Family
ID=82929589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220367130.9U Expired - Fee Related CN217306156U (en) | 2022-02-23 | 2022-02-23 | Heavy silicone rubber three-core high-voltage cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217306156U (en) |
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2022
- 2022-02-23 CN CN202220367130.9U patent/CN217306156U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220826 |
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| CF01 | Termination of patent right due to non-payment of annual fee |