CN217214271U - Aluminum alloy conductor crosslinked polyethylene insulation interlocking armored low-voltage power cable - Google Patents
Aluminum alloy conductor crosslinked polyethylene insulation interlocking armored low-voltage power cable Download PDFInfo
- Publication number
- CN217214271U CN217214271U CN202220742327.6U CN202220742327U CN217214271U CN 217214271 U CN217214271 U CN 217214271U CN 202220742327 U CN202220742327 U CN 202220742327U CN 217214271 U CN217214271 U CN 217214271U
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- Prior art keywords
- wall
- silica gel
- heat dissipation
- aluminum alloy
- gel layer
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- Expired - Fee Related
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 27
- 238000009413 insulation Methods 0.000 title claims abstract description 27
- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 26
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 26
- 239000004020 conductor Substances 0.000 title claims abstract description 20
- 230000017525 heat dissipation Effects 0.000 claims abstract description 34
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000000741 silica gel Substances 0.000 claims abstract description 33
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 33
- 230000006835 compression Effects 0.000 claims abstract description 28
- 238000007906 compression Methods 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 229920001875 Ebonite Polymers 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims 1
- -1 polyethylene Polymers 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 5
- 235000014676 Phragmites communis Nutrition 0.000 description 14
- 230000000694 effects Effects 0.000 description 5
- 244000273256 Phragmites communis Species 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005253 cladding Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Classifications
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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 an insulating interlocking armor low voltage power cable of aluminum alloy conductor crosslinked polyethylene, which comprises a cable body, the cable body comprises oversheath and heat dissipation silica gel layer, and the cross section on heat dissipation silica gel layer sets up to isosceles triangle, and the intermediate position on heat dissipation silica gel layer is opened there is the centre bore, and the inside of centre bore is provided with insulation core, be provided with the inner liner between oversheath and the heat dissipation silica gel layer, and the triangle on heat dissipation silica gel layer is all opened there is the arc wall, and it has the compression bar to bond between the inner wall of the interior and inner liner of arc wall, is provided with three cardboard between the circumference inner wall of the outer wall both sides of compression bar, three sides on heat dissipation silica gel layer and inner liner. The utility model discloses form outer double-deck compressive property in, take place the damage when avoiding the cable to receive external force extrusion for the cable can cushion under the elastic action, further improves the compressive property of cable, also can strengthen the toughness of whole cable through the enhancement rope, improves the height of whole cable.
Description
Technical Field
The utility model relates to a power cable technical field especially relates to an aluminum alloy conductor crosslinked polyethylene insulation interlocking armor low pressure power cable.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. In the power lines, the cable is increasing in specific gravity. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy, including various voltage classes, 1-500KV and above, and various insulated power cables.
At present, when a power cable deeply buried below the earth surface is buried, the power cable is subjected to impact treatment by soil in the construction process, so that the cable often causes certain damage, and cable core breakage can be caused seriously.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the insulating interlocking armor low voltage power cable of aluminum alloy conductor crosslinked polyethylene who proposes.
In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model provides an aluminum alloy conductor crosslinked polyethylene insulation interlocking armor low pressure power cable, includes the cable body, the cable body comprises oversheath and heat dissipation silica gel layer, and the cross section on heat dissipation silica gel layer sets up to isosceles triangle, and the intermediate position on heat dissipation silica gel layer is opened there is the centre bore, and the inside of centre bore is provided with insulation core, be provided with the inner liner between oversheath and the heat dissipation silica gel layer, and the triangle on heat dissipation silica gel layer has all opened the arc wall, and it has the compression resistant pole to bond between the inner wall of arc wall and inner liner, and the outer wall both sides of compression resistant pole, three sides on heat dissipation silica gel layer and the circumference inner wall of inner liner are provided with three cardboard, all are provided with the compression resistant subassembly between one side intermediate position of three cardboard and the circumference inner wall of inner liner.
Preferably, the circumference outer wall cladding of inner liner has interlocking armor, and is provided with the resistance to compression layer between the circumference outer wall of interlocking armor and the circumference inner wall of oversheath, and the material of resistance to compression layer, the material of resistance to compression pole, the material of cardboard all set up to hard rubber material.
Preferably, the pressure-resistant component comprises reeds fixed on one sides of the three clamping plates respectively, a buffer component is arranged between the middle position of the inner wall of each reed and the middle position of one side of each clamping plate, the buffer component comprises a telescopic cylinder fixed between the clamping plates and the reeds, and springs sleeved on the outer wall of the telescopic cylinder are fixed between the clamping plates and the reeds.
Preferably, a filler is arranged in a gap formed by the outer wall of the reed, the inner wall of the lining layer and the outer wall of the clamping plate.
Preferably, all open the inside three corners on heat dissipation silica gel layer and strengthen the hole, and strengthen the inner wall in hole and all be provided with the enhancement rope.
Preferably, the insulated wire core consists of a crosslinked polyethylene insulated layer and an aluminum alloy core body, and the crosslinked polyethylene insulated layer wraps the outer wall of the aluminum alloy core body.
Preferably, a braided pressure-resistant net is fixed on the circumferential outer wall of the cable body, and the braided pressure-resistant net is composed of a plurality of spiral pressure-resistant strips.
The beneficial effects of the utility model are that:
1. through the cable body that sets up, insulation core, heat dissipation silica gel layer, anti depression bar, cardboard and resistance to compression layer, heat dissipation silica gel layer through the isosceles triangle structure is when carrying out the heat dissipation to insulation core, also can cooperate the resistance to compression pole to play the effect of resistance to compression, when the cable receives external force extrusion, the resistance to compression layer that is located the outside with be located inboard cardboard, anti depression bar and heat dissipation silica gel layer form outer double-deck compressive property, take place the damage when avoiding the cable to receive external force extrusion.
2. Through buffering subassembly, spring, a flexible section of thick bamboo, reed and the enhancement rope that sets up, the effect through spring and reed in the buffering subassembly makes the cable cushion under the elastic action, comes further to improve the compressive property of cable, also can strengthen the toughness of whole cable through the enhancement rope, improves the height of whole cable.
Drawings
Fig. 1 is a schematic structural diagram of an aluminum alloy conductor crosslinked polyethylene insulation interlocking armored low-voltage power cable provided in embodiment 1;
fig. 2 is a schematic front cross-sectional structural view of an aluminum alloy conductor crosslinked polyethylene insulation interlocking armored low-voltage power cable provided in embodiment 1;
FIG. 3 is a schematic structural view of a center hole and a reinforcing hole of an aluminum alloy conductor crosslinked polyethylene insulation interlocking armored low-voltage power cable provided in example 1;
fig. 4 is a schematic structural diagram of a spring and a telescopic cylinder of an aluminum alloy conductor crosslinked polyethylene insulation interlocking armored low-voltage power cable provided in embodiment 1;
fig. 5 is a schematic structural diagram of a braided voltage-resistant mesh of an aluminum alloy conductor crosslinked polyethylene insulation interlocking armored low-voltage power cable provided in embodiment 2.
In the figure: 1. a cable body; 2. an outer sheath; 3. a pressure resistant layer; 4. an interlocking armor layer; 5. an inner liner layer; 6. a heat dissipation silica gel layer; 7. an insulated wire core; 8. a reinforcing cord; 9. a filler; 10. a compression resistant lever; 11. a reed; 12. a buffer assembly; 13. clamping a plate; 14. a crosslinked polyethylene insulating layer; 15. an aluminum alloy core; 16. a central bore; 17. a reinforcement hole; 18. an arc-shaped slot; 19. a spring; 20. a telescopic cylinder; 21. and (5) weaving a pressure-resistant net.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-4, an aluminum alloy conductor crosslinked polyethylene insulation interlocking armor low voltage power cable, including cable body 1, cable body 1 comprises oversheath 2 and heat dissipation silica gel layer 6, and the cross section of heat dissipation silica gel layer 6 sets up to isosceles triangle, the intermediate position of heat dissipation silica gel layer 6 is opened has centre bore 16, the inside of centre bore 16 is provided with insulation core 7, be provided with inner liner 5 between oversheath 2 and the heat dissipation silica gel layer 6, and the triangle of heat dissipation silica gel layer 6 all opens arc wall 18, it has resistance to compression pole 10 to bond between the inner wall of arc wall 18 and inner liner 5, the outer wall both sides of resistance to compression pole 10, be provided with three cardboard 13 between three sides of heat dissipation silica gel layer 6 and the circumference inner wall of inner liner 5, all be provided with the resistance to compression subassembly between the intermediate position of one side of three cardboard 13 and the circumference inner wall of inner liner 5.
Further, the circumference outer wall cladding of inner liner 5 has interlocking armor 4, and is provided with resistance to compression layer 3 between interlocking armor 4's the circumference outer wall and the circumference inner wall of oversheath 2, and resistance to compression layer 3's material, resistance to compression pole 10's material, cardboard 13's material all set up to hard rubber material.
Further, the resistance to compression subassembly is including fixing the reed 11 in three cardboard 13 one side respectively, and is provided with between the inner wall intermediate position of reed 11 and the one side intermediate position of cardboard 13 and cushions the subassembly 12, cushions the subassembly 12 including fixing the telescopic tube 20 between cardboard 13 and reed 11, is fixed with the spring 19 that cup joints at telescopic tube 20 outer wall between cardboard 13 and the reed 11.
Furthermore, a filler 9 is arranged in a gap formed by the outer wall of the reed 11, the inner wall of the lining layer 5 and the outer wall of the clamping plate 13.
Further, all open the three corners in inside of heat dissipation silica gel layer 6 and strengthen hole 17, and strengthen the inner wall in hole 17 and all be provided with and strengthen rope 8.
Further, the insulated wire core 7 is composed of a crosslinked polyethylene insulating layer 14 and an aluminum alloy core body 15, and the crosslinked polyethylene insulating layer 14 wraps the outer wall of the aluminum alloy core body 15.
The working principle is as follows: radiating silica gel layer 6 through isosceles triangle structure is when carrying out the heat dissipation to insulation core 7, also can cooperate compression resistance pole 10 to play the effect of resistance to compression, when the cable receives external force extrusion, be located the compression resistance layer 3 in the outside and be located inboard cardboard 13, compression resistance pole 10 and heat dissipation silica gel layer 6 form outer double-deck compressive property, take place the damage when avoiding the cable to receive external force extrusion, effect through buffering subassembly 12 internal spring 19 and reed 11 makes the cable can cushion under the elastic action, come further improvement cable's compressive property, also can strengthen the toughness of whole cable through strengthening rope 8, improve whole cable's height.
Example 2
Referring to fig. 5, in the present embodiment, compared with embodiment 1, in the aluminum alloy conductor crosslinked polyethylene insulation interlocking armored low-voltage power cable, a braided voltage-resistant mesh 21 is fixed on the circumferential outer wall of a cable body 1, and the braided voltage-resistant mesh 21 is composed of a plurality of spiral voltage-resistant strips.
The working principle is as follows: when in use, a user can protect the periphery of the cable body 1 by utilizing the woven voltage-resistant net 21 and simultaneously play a certain voltage-resistant effect.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (7)
1. An aluminum alloy conductor crosslinked polyethylene insulation interlocking armored low-voltage power cable comprises a cable body (1) and is characterized in that the cable body (1) is composed of an outer sheath (2) and a heat dissipation silica gel layer (6), the cross section of the heat dissipation silica gel layer (6) is set to be an isosceles triangle, a center hole (16) is formed in the middle of the heat dissipation silica gel layer (6), an insulation wire core (7) is arranged inside the center hole (16), an inner lining layer (5) is arranged between the outer sheath (2) and the heat dissipation silica gel layer (6), arc-shaped grooves (18) are formed in the triangles of the heat dissipation silica gel layer (6), compression resistant rods (10) are bonded between the inner walls of the arc-shaped grooves (18) and the inner wall of the inner lining layer (5), three clamping plates (13) are arranged between the two sides of the outer wall of each compression resistant rod (10), the three sides of the heat dissipation silica gel layer (6) and the circumferential inner wall of the inner lining layer (5), compression-resistant components are arranged between the middle positions of one sides of the three clamping plates (13) and the circumferential inner wall of the lining layer (5).
2. The aluminum alloy conductor crosslinked polyethylene insulation interlocking armored low-voltage power cable according to claim 1, wherein the circumferential outer wall of the inner liner (5) is wrapped with an interlocking armor layer (4), a pressure-resistant layer (3) is arranged between the circumferential outer wall of the interlocking armor layer (4) and the circumferential inner wall of the outer sheath (2), and the material of the pressure-resistant layer (3), the material of the pressure-resistant rod (10) and the material of the clamping plate (13) are all made of hard rubber.
3. The insulated interlocked armored low-voltage power cable with the aluminum alloy conductors and the polyethylene as claimed in claim 2, wherein the compression-resistant component comprises spring plates (11) respectively fixed on one side of three clamping plates (13), a buffer component (12) is arranged between the middle position of the inner wall of each spring plate (11) and the middle position of one side of each clamping plate (13), each buffer component (12) comprises a telescopic cylinder (20) fixed between each clamping plate (13) and each spring plate (11), and a spring (19) sleeved on the outer wall of each telescopic cylinder (20) is fixed between each clamping plate (13) and each spring plate (11).
4. The aluminum alloy conductor crosslinked polyethylene insulation interlocking armored low-voltage power cable as claimed in claim 3, wherein the filler (9) is arranged in the gap formed by the outer wall of the spring plate (11), the inner wall of the lining layer (5) and the outer wall of the clamping plate (13).
5. The aluminum alloy conductor crosslinked polyethylene insulation interlocking armored low-voltage power cable as claimed in claim 4, wherein the inner three corners of the heat-dissipation silica gel layer (6) are provided with reinforcing holes (17), and the inner walls of the reinforcing holes (17) are provided with reinforcing ropes (8).
6. The aluminum alloy conductor crosslinked polyethylene insulation interlocking armored low-voltage power cable according to claim 5, wherein the insulation core (7) is composed of a crosslinked polyethylene insulation layer (14) and an aluminum alloy core (15), and the crosslinked polyethylene insulation layer (14) is wrapped on the outer wall of the aluminum alloy core (15).
7. The aluminum alloy conductor crosslinked polyethylene insulation interlocked armored low-voltage power cable as claimed in claim 5, wherein a braided pressure-resistant net (21) is fixed on the circumferential outer wall of the cable body (1), and the braided pressure-resistant net (21) is composed of a plurality of spiral pressure-resistant strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220742327.6U CN217214271U (en) | 2022-03-31 | 2022-03-31 | Aluminum alloy conductor crosslinked polyethylene insulation interlocking armored low-voltage power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220742327.6U CN217214271U (en) | 2022-03-31 | 2022-03-31 | Aluminum alloy conductor crosslinked polyethylene insulation interlocking armored low-voltage power cable |
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| Publication Number | Publication Date |
|---|---|
| CN217214271U true CN217214271U (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220742327.6U Expired - Fee Related CN217214271U (en) | 2022-03-31 | 2022-03-31 | Aluminum alloy conductor crosslinked polyethylene insulation interlocking armored low-voltage power cable |
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| CN (1) | CN217214271U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115985566A (en) * | 2023-03-16 | 2023-04-18 | 东方交联电力电缆有限公司 | Anti-electricity tree medium-voltage cross-linking flame-retardant power cable |
-
2022
- 2022-03-31 CN CN202220742327.6U patent/CN217214271U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115985566A (en) * | 2023-03-16 | 2023-04-18 | 东方交联电力电缆有限公司 | Anti-electricity tree medium-voltage cross-linking flame-retardant power cable |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220816 |