CN116665982B - Wear-resistant and sun-proof high-voltage power cable - Google Patents
Wear-resistant and sun-proof high-voltage power cable Download PDFInfo
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- CN116665982B CN116665982B CN202310830939.XA CN202310830939A CN116665982B CN 116665982 B CN116665982 B CN 116665982B CN 202310830939 A CN202310830939 A CN 202310830939A CN 116665982 B CN116665982 B CN 116665982B
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- filling
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- 239000004020 conductor Substances 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 230000017525 heat dissipation Effects 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 48
- 239000010959 steel Substances 0.000 claims description 48
- 210000001503 joint Anatomy 0.000 claims description 28
- 229920000742 Cotton Polymers 0.000 claims description 26
- 238000012546 transfer Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 11
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 8
- 238000001802 infusion Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 abstract description 8
- 239000000110 cooling liquid Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 238000010030 laminating Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 238000009954 braiding Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 2
- 239000011231 conductive filler Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/189—Radial force absorbing layers providing a cushioning effect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1895—Internal space filling-up means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/228—Metal braid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/24—Devices affording localised protection against mechanical force or pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
- H01B7/328—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising violation sensing means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
- H01B7/423—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using a cooling fluid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
- H01B7/426—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using cooling fins, ribs
-
- 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
Landscapes
- Insulated Conductors (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a wear-resistant and sun-proof high-voltage power cable, which relates to the technical field of cables, wherein a wire shielding layer is wrapped on the outer side of a conductor, an insulating layer is wrapped on the outer side of the wire shielding layer, an insulating shielding layer is wrapped on the outer side of the insulating layer, a heat dissipation reinforcing component is arranged on the outer side of the insulating shielding layer, the heat dissipation reinforcing component comprises a liquid conveying box, the liquid conveying box is embedded between the insulating shielding layers, a supporting disc is arranged on one side of the liquid conveying box and is sleeved on the outer side of the insulating shielding layer.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a wear-resistant and sun-proof high-voltage power cable.
Background
The high-voltage cable is one of power cables, is used for transmitting power between 1kv and 1000kv, is applied to power transmission and distribution, when the cable is in running for a long time, heat in the cable can accumulate more and more, if the cable is in the outdoor, and the cable is exposed to the sun, the temperature of the cable can be higher and higher, the continuous high temperature can increase the working pressure of the cable, the aging and drying phenomena of an insulating layer of the cable can be caused when the temperature of the cable is continuously higher, the aging and drying phenomena of the insulating layer can reduce the insulating performance of the insulating layer, and the phenomenon of insulation breakdown can easily occur.
However, the current high-voltage cable has a plurality of sealing layers wrapped on the outer side of the conductor, so that the heat of the conductor cannot be timely dissipated to the outer side of the cable due to poor heat dissipation effect of the sealing layers, if the insulating layer is aged and dried, the exposed conductor is contacted with the conductor between other cables, so that power supply faults such as tripping and the like can be caused, and extremely serious consequences are caused due to explosion and fire caused by fire combustion.
Disclosure of Invention
The invention provides a wear-resistant and sun-proof high-voltage power cable, which can effectively solve the problems that the heat of a conductor cannot be dissipated to the outer side of the cable in time due to poor heat dissipation effect of a plurality of sealing layers wrapped on the outer side of the conductor in the prior art, if an insulating layer is aged and dried up, the exposed conductor is contacted with the conductor between other cables, so that power supply faults such as tripping and the like can be caused, and extremely serious consequences caused by explosion and fire can be caused by firing.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a wear-resisting fast high voltage power cable, includes the conductor, the conductor outside parcel has the wire shielding layer, the wire shielding layer outside parcel has the insulating layer, the insulating layer outside parcel has the insulating shielding layer, the insulating shielding layer outside is provided with the heat dissipation and strengthens the subassembly, the heat dissipation strengthens the subassembly and includes the liquid box that send;
a liquid feeding box is embedded between the insulating shielding layers, a supporting disc is arranged on one side of the liquid feeding box, the supporting disc is sleeved on the outer side of the insulating shielding layers, connectors are uniformly arranged on one side of the liquid feeding box, transfer boxes are uniformly arranged between the insulating shielding layers, a central hose is connected between the top end of one connector positioned at the middle of one side of the liquid feeding box and an adjacent transfer box, a central hose is also connected between the adjacent two transfer boxes, a connecting sleeve is uniformly sleeved on the outer side of the central hose, the outer side of the connecting sleeve is connected to one end of a connecting spring, and the other end of the connecting spring is connected with a bonding sheet;
the insulating shielding layer is characterized in that branch boxes are evenly arranged between two adjacent insulating shielding layers, branch hoses are connected between the top ends of connectors on one side of the liquid conveying box and the adjacent branch boxes, the adjacent branch hoses are also connected between the branch boxes, limiting sheets are arranged on the outer sides of the branch hoses, heat conduction filling pipes are clamped between the limiting sheets on the same side, the heat conduction filling pipes are sleeved on the outer sides of the branch hoses, conducting sheets are arranged on the outer sides of the limiting sheets, steel wire ropes are connected between the adjacent two limiting sheets, and heat dissipation plates are arranged on the outer sides of the branch boxes.
According to the technical scheme, the butt joint rails are arranged at two ends of the limiting piece on one side, the butt joint grooves are arranged at two ends of the limiting piece on the other side, and the butt joint rails are embedded in the butt joint grooves.
According to the technical scheme, the longitudinal section shapes of the butt joint rail and the butt joint groove are T-shaped and mutually fit, and the outer side of the butt joint rail and the inner side of the butt joint groove are smooth surfaces.
According to the technical scheme, the longitudinal section of the bonding sheet is arc-shaped, and the outer side of the bonding sheet is bonded with the outer side of the adjacent insulating shielding layer.
According to the technical scheme, the inner side of the limiting piece is tightly attached to the outer side of the heat conduction filling pipe, and the outer side of the conducting piece is attached to the outer side of the adjacent insulating shielding layer.
According to the technical scheme, the infusion hole is formed in one side of the liquid conveying box, and the sealing plug is connected inside the infusion hole through threads.
According to the technical scheme, the outer side of the insulating shielding layer is provided with the protection pressure-resistant assembly, and the protection pressure-resistant assembly comprises filling cotton;
the outside of the conducting sheet is filled with filling cotton, a reinforcing steel wire is fixedly connected between two adjacent supporting plates, the reinforcing steel wire penetrates through the inside of the filling cotton and the inside of the heat dissipation plate, filling rubber is filled between one side of the supporting plates and the adjacent transfer box, and the filling rubber is sleeved on the outside of the insulating shielding layer;
the inner sheath is wrapped outside the filling cotton and the filling rubber, the armor steel belt is wrapped outside the inner sheath, the outer sheath is wrapped outside the armor steel belt, the connecting rings are uniformly sleeved outside the outer sheath, the connecting lugs are welded on two sides of each connecting ring, a supporting spring is arranged between every two adjacent connecting rings, and two ends of each supporting spring are connected with the hanging rings;
the hanging ring is hung inside two corresponding connecting lugs on the adjacent connecting ring, the mounting frames are uniformly welded on two sides of the connecting ring, the top ends of the mounting frames are welded with limiting top plates, limiting steel wires are connected between the two adjacent limiting top plates in a penetrating way, and two ends of each limiting steel wire are connected with limiting heads.
According to the technical scheme, the side surfaces of the filling cotton and the filling rubber are arc-shaped surfaces, and the side surfaces of the filling cotton and the filling rubber are flush with the side surfaces of the supporting disc and the radiating plate.
According to the technical scheme, the armoured steel belts are formed by connecting a plurality of flexible steel wires in pairs, and the diameter of the limiting head is larger than that of the hole formed in the limiting top plate.
According to the technical scheme, the connecting hole has been seted up on the mounting bracket surface, the mounting bracket outside is connected with the steel wire braid area through the connecting hole.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
1. the heat dissipation reinforcing component is arranged, heat generated by the conductor is conducted on the attaching sheet sequentially through the conductor shielding layer, the insulating layer and the insulating shielding layer, the heat on the attaching sheet is conducted to the central hose through the connecting spring and the connecting sleeve, the temperature on the conductor is absorbed by utilizing the high specific heat capacity of the cooling liquid, so that the temperature change of the conductor is smaller, meanwhile, the connecting spring can play a role of buffering, the conductor in the cable is protected, and the pressure resistance of the cable is improved;
simultaneously the heat on the conductor also can be conducted on branch hose, the conducting strip closely laminates with insulating shielding layer, the cooperation laminating piece conducting strip has further increased the area of contact with insulating shielding layer, heat on the conductor is through conducting strip and spacing piece on conduction to the heat conduction filling pipe, the heat conduction filling pipe is the silica gel material, on the conduction that heat can be quick to branch hose, the cooling liquid in center hose and the branch hose absorbs the heat, transfer box and branch box conduction are to the heating panel on, the heating panel is copper aluminum alloy with the quick effluvium of heat, the temperature of quick reduction conductor, avoid the cable temperature to last the ageing of the insulating layer of high lead to the cable, the running stability of cable has been promoted, the effectual emergence of preventing the conflagration.
2. Be provided with protection withstand voltage subassembly, the mounting bracket outside is connected with the steel wire braid area through the connecting hole, the steel wire braid area plays the isolation protection effect, subaerial stone oversheath when avoiding the cable to draw on ground leads to the fact the damage, the filling cotton plays the cushioning effect with filling rubber, when the cable received external pressure, the effect of preliminary isolation protection is played to oversheath, filling cotton and filling rubber absorb external pressure, carry out good protection to cable inner conductor, utilize supporting spring's elasticity simultaneously, make the cable have sufficient toughness, when the cable received the external force to buckle, limit head and spacing roof contact at spacing steel wire both ends, the degree of buckling of cable is restricted, not only further protected the conductor but also can prevent the cable from excessively buckling and lead to the damage of heat dissipation reinforcing assembly.
To sum up, after filling cotton and filling rubber will play preliminary buffering in the protection withstand voltage subassembly, arc spacing piece in the cooperation heat dissipation reinforcing component, conducting strip and heat conduction filling pipe atress compression, absorb outside effort, further improved the withstand voltage ability of cable, simultaneously, add non-ferrous pigment in the coolant liquid, when the cable receives the damage maintenance, the maintenance personal utilizes the ring of hanging to take off supporting spring, center hose and branch hose damage, inside coolant liquid can ooze from the steel wire braid area, when the maintenance personal maintenance cable, the non-ferrous coolant liquid of oozing makes maintenance personal can be quick fix a position the damage position.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional view of a conductor of the present invention;
FIG. 3 is a schematic view of a heat dissipation enhancing assembly according to the present invention;
FIG. 4 is a schematic view of the installation structure of the transfer box of the present invention;
fig. 5 is a schematic view of the mounting structure of the sealing plug of the present invention;
FIG. 6 is a schematic view of the mounting structure of the heat conductive filler tube of the present invention;
FIG. 7 is a schematic view of the mounting structure of the conductive sheet of the present invention;
FIG. 8 is a schematic view of the mounting structure of the present invention;
FIG. 9 is a schematic view of the structure of the protective pressure resistant assembly of the present invention;
FIG. 10 is a schematic view of the mounting structure of the support spring of the present invention;
FIG. 11 is a schematic view of the mounting structure of the cotton packing of the present invention;
FIG. 12 is a schematic view of the installation structure of the reinforcing steel wire of the present invention;
reference numerals in the drawings: 1. a conductor; 2. a wire shielding layer; 3. an insulating layer; 4. an insulating shielding layer;
5. a heat dissipation enhancing component; 501. a liquid feeding box; 502. a support plate; 503. a connector; 504. a transfer box; 505. a center hose; 506. a connecting sleeve; 507. a connecting spring; 508. a bonding sheet; 509. a branching box; 510. a branch hose; 511. a limiting piece; 512. butt-joint rails; 513. a butt joint groove; 514. a heat conductive filler tube; 515. a conductive sheet; 516. a wire rope; 517. a heat dissipation plate; 518. an infusion hole; 519. a sealing plug;
6. a protective pressure-resistant assembly; 601. filling cotton; 602. reinforcing steel wires; 603. filling rubber; 604. an inner sheath; 605. armoured steel strip; 606. an outer sheath; 607. a connecting ring; 608. a connecting lug; 609. a hanging ring; 610. a support spring; 611. a mounting frame; 612. a limiting top plate; 613. limiting the steel wire; 614. a positioning head; 615. a connection hole; 616. steel wire braid belt.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Examples: as shown in fig. 1-12, the invention provides a wear-resistant and sun-proof high-voltage power cable technical scheme, which comprises a conductor 1, wherein a wire shielding layer 2 is wrapped outside the conductor 1, an insulating layer 3 is wrapped outside the wire shielding layer 2, an insulating shielding layer 4 is wrapped outside the insulating layer 3, and a heat dissipation reinforcing component 5 is arranged outside the insulating shielding layer 4;
the heat dissipation enhancing assembly 5 comprises a liquid feeding box 501, a supporting disc 502, a connector 503, a transfer box 504, a central hose 505, a connecting sleeve 506, a connecting spring 507, a bonding sheet 508, a branch box 509, a branch hose 510, a limiting sheet 511, a butt rail 512, a butt groove 513, a heat conduction filling pipe 514, a conduction sheet 515, a wire rope 516, a heat dissipation plate 517, a transfusion hole 518 and a sealing plug 519;
a liquid feeding box 501 is embedded between the insulating shielding layers 4, a supporting disc 502 is installed on one side of the liquid feeding box 501, the supporting disc 502 is sleeved on the outer side of the insulating shielding layers 4, connectors 503 are evenly installed on one side of the liquid feeding box 501, transfer boxes 504 are evenly installed between the insulating shielding layers 4, a central hose 505 is connected between the top end of one connector 503 positioned at the middle of one side of the liquid feeding box 501 and one adjacent transfer box 504, a central hose 505 is also connected between the two adjacent transfer boxes 504, a connecting sleeve 506 is evenly sleeved on the outer side of the central hose 505, the outer side of the connecting sleeve 506 is connected to one end of a connecting spring 507, the other end of the connecting spring 507 is connected with a laminating piece 508, the longitudinal section of the laminating piece 508 is arc-shaped, the outer side of the laminating piece 508 is laminated with the outer side of the adjacent insulating shielding layers 4, and the arc-shaped laminating piece 508 can be in closer contact with the outer sides of the adjacent insulating shielding layers 4, so that heat of the conductor 1 can be conducted onto the central hose 505 sequentially through the laminating piece 508, the connecting spring 507 and the connecting sleeve 506;
branch boxes 509 are uniformly arranged between two adjacent insulating shielding layers 4, branch hoses 510 are connected between the top ends of connectors 503 positioned on the outer side of one side of a liquid conveying box 501 and the adjacent branch boxes 509, branch hoses 510 are also connected between the two adjacent branch boxes 509, an infusion hole 518 is formed on one side of the liquid conveying box 501, a sealing plug 519 is connected in the infusion hole 518 through threads, cooling liquid is conveyed into the liquid conveying box 501 through the infusion hole 518, enters the central hose 505 and the branch hoses 510 through the liquid conveying box 501, sealing treatment is carried out by using the sealing plug 519, heat on a conductor 1 is absorbed by using high specific heat capacity of the cooling liquid, so that the temperature change of the conductor 1 is smaller, and resistance increase of the conductor 1 caused by temperature increase is reduced;
the outside of the branch hose 510 is provided with the limit piece 511, two ends of one side limit piece 511 are provided with the butt joint rail 512, two ends of the other side limit piece 511 are provided with the butt joint groove 513, the butt joint rail 512 is embedded into the butt joint groove 513, the longitudinal section shapes of the butt joint rail 512 and the butt joint groove 513 are mutually matched in a T shape, when the branch hose is assembled, the butt joint rail 512 on one side limit piece 511 is inserted into the butt joint groove 513 on the other side limit piece 511, the branch hose is convenient and quick, the mutually matched T shapes can be mutually limited, an assembled finished product is more stable, the outside of the butt joint rail 512 and the inside of the butt joint groove 513 are smooth surfaces, the relative movement resistance between the butt joint rail 512 and the butt joint groove 513 is reduced, when the butt joint rail 512 is embedded into the butt joint groove 513, the butt joint rail 512 is more smooth and labor-saving, and the heat conduction filling pipe 514 is clamped between the limit pieces 511 positioned on the same side;
the heat conduction filling pipe 514 is sleeved on the outer side of the branch hose 510, the outer side of the limiting piece 511 is provided with a conducting piece 515, the inner side of the limiting piece 511 is tightly attached to the outer side of the heat conduction filling pipe 514, the outer side of the conducting piece 515 is attached to the outer side of the adjacent insulating shielding layer 4, heat on the conductor 1 is conducted to the limiting piece 511 through the conducting piece 515 and then conducted to the heat conduction filling pipe 514 from the limiting piece 511, the heat conduction filling pipe 514 is made of silica gel, so that the heat can be quickly conducted to the branch hose 510, when the cable is subjected to external pressure, the arc-shaped limiting piece 511, the conducting piece 515 and the heat conduction filling pipe 514 are compressed under the stress, the external acting force is absorbed, the cable is protected, a steel wire rope 516 is connected between the two adjacent limiting pieces 511, and the outer side of the branch box 509 is provided with a heat dissipation plate 517;
the outer side of the insulating shielding layer 4 is provided with a protective pressure-resistant assembly 6, and the protective pressure-resistant assembly 6 comprises filling cotton 601, reinforced steel wires 602, filling rubber 603, an inner sheath 604, an armoured steel belt 605, an outer sheath 606, a connecting ring 607, connecting lugs 608, a hanging ring 609, a supporting spring 610, a mounting rack 611, a limiting top plate 612, a limiting steel wire 613, a limiting head 614, a connecting hole 615 and a steel wire braiding belt 616;
the outside of the conducting strip 515 is filled with filling cotton 601, reinforcing steel wires 602 are fixedly connected between two adjacent support plates 502, the reinforcing steel wires 602 penetrate through the inside of the filling cotton 601 and the heat dissipation plate 517, filling rubber 603 is filled between one side of the support plate 502 and the adjacent transfer box 504, the filling rubber 603 is sleeved outside the insulating shielding layer 4, the side surfaces of the filling cotton 601 and the filling rubber 603 are arc-shaped surfaces, the side surfaces of the filling cotton 601 and the filling rubber 603 are flush with the side surfaces of the support plate 502 and the heat dissipation plate 517, and the side surfaces of the flush with each other enable an inner sheath 604 to be sleeved on the outside of the filling cotton 601 and the outside of the filling rubber 603 in a smooth manner;
the outer sides of the filling cotton 601 and the filling rubber 603 are wrapped with an inner sheath 604, the outer sides of the inner sheath 604 are wrapped with an armor steel belt 605, the armor steel belt 605 is formed by connecting a plurality of flexible steel wires in pairs, the outer sides of the armor steel belt 605 are wrapped with an outer sheath 606, the outer sides of the outer sheath 606 are uniformly sleeved with connecting rings 607, connecting lugs 608 are welded on two sides of each connecting ring 607, supporting springs 610 are arranged between every two adjacent connecting rings 607, and two ends of each supporting spring 610 are connected with hanging rings 609;
the hanging rings 609 are hung inside the corresponding two connecting lugs 608 on the adjacent connecting rings 607, the mounting frames 611 are uniformly welded on two sides of the connecting rings 607, the limiting top plates 612 are welded on the top ends of the mounting frames 611, limiting steel wires 613 are connected between the two adjacent limiting top plates 612 in a penetrating way, the two ends of each limiting steel wire 613 are connected with limiting heads 614, the diameter of each limiting head 614 is larger than that of a hole formed in each limiting top plate 612, when a cable is bent by external force, the limiting steel wires 613 are bent, when the limiting heads 614 at the two ends of each limiting steel wire 613 are attached to the limiting top plates 612, the limiting steel wires 613 cannot be bent any more, so that the bending degree of the cable is limited, the cable is protected, and the damage of the heat dissipation reinforcing assembly 5 caused by excessive bending of the cable is prevented;
the connecting hole 615 has been seted up on mounting bracket 611 surface, and the mounting bracket 611 outside is connected with steel wire braid strip 616 through connecting hole 615, and steel wire braid strip 616 plays the isolation protection effect, avoids the cable to receive the damage when ground pulling, oversheath 606.
The working principle and the using flow of the invention are as follows: when the high-voltage cable is electrified and works for a long time, the conductor 1 in the cable generates heat, if the cable is exposed to the sun outdoors, the cable absorbs sunlight, the temperature of the conductor 1 is further increased, when the cable is used, the cable conveys cooling liquid into the liquid conveying box 501 through the liquid conveying box 501 during production, the cooling liquid flows through the connector 503 and enters the center hose 505 and the branch hose 510 respectively through the liquid conveying box 501, the attaching piece 508 is attached to the insulating shielding layer 4 wrapped on the outer side of the conductor 1, after the cable works for a long time, the heat generated by the conductor 1 is conducted on the attaching piece 508 sequentially through the wire shielding layer 2, the insulating layer 3 and the insulating shielding layer 4, the heat on the attaching piece 508 is conducted on the center hose 505 through the connecting spring 507 and the connecting sleeve 506, the temperature on the conductor 1 is absorbed by utilizing the high specific heat capacity of the cooling liquid, so that the temperature change of the conductor 1 is smaller, meanwhile, when the cable is stressed by the outside, the connecting spring 507 can play a buffering role in buffering, the conductor 1 in the cable is protected, the cable is improved, and the cable is selected for cooling the insulating cable is resistant to pressure;
meanwhile, heat on the conductor 1 is also conducted on the branch hose 510, the conducting sheet 515 is tightly attached to the insulating shielding layer 4, the contact area between the conducting sheet 515 and the insulating shielding layer 4 is increased, the heat on the conductor 1 is conducted to the limiting sheet 511 through the conducting sheet 515 and then conducted to the heat conducting filling pipe 514 from the limiting sheet 511, the heat conducting filling pipe 514 is made of silica gel, so that the heat can be quickly conducted to the branch hose 510, when the cable is subjected to external pressure, the arc-shaped limiting sheet 511, the conducting sheet 515 and the heat conducting filling pipe 514 are compressed under the stress to absorb the external acting force, the pressure resistance of the cable is further improved, the even distribution of the steel wire ropes 516 and the connecting sleeve 506 connected between the limiting sheets 511 enables the cable to have enough flexibility, the cable can be bent, the cable can be wound on a winding roller conveniently, after the heat is absorbed by the cooling liquid in the central hose 505 and the branch hose 510, the heat is conducted to the heat dissipation plate 517 through the transfer box 504 and the branch box 509, and the heat dissipation plate 517 is made of copper-aluminum alloy, and the heat dissipation can be quickly reduced, and accordingly the temperature of the conductor 1 is quickly lowered, and the cable is prevented from being aged continuously by the insulating layer 3 due to the high temperature of the cable is avoided;
when the cable is constructed and assembled, the cable is inevitably rubbed with the ground, the outer side of the mounting rack 611 is connected with a steel wire braiding belt 616 through a connecting hole 615, the steel wire braiding belt 616 plays a role in isolation and protection, stones on the ground are prevented from damaging the outer sheath 606 when the cable is pulled on the ground, the filling cotton 601 and the filling rubber 603 play a role in buffering, when the cable is subjected to external pressure, the outer sheath 606, the armored steel belt 605 and the inner sheath 604 play a role in preliminary isolation and protection, the filling cotton 601 and the filling rubber 603 absorb the external pressure, and meanwhile, the conductor 1 is well protected by matching with the connecting spring 507, the arc-shaped limiting piece 511, the conducting piece 515 and the heat conducting filling pipe 514, and meanwhile, the supporting spring 610 plays a role in traction by utilizing the elasticity of the supporting spring 610, so that the cable has enough toughness;
when the cable is bent by external force, the limiting steel wires 613 can also follow the bending, and when the limiting heads 614 at the two ends of the limiting steel wires 613 are attached to the limiting top plate 612, the limiting steel wires 613 cannot bend any more, so that the bending degree of the cable is limited, the conductor 1 is protected, and the damage of the heat dissipation reinforcing assembly 5 caused by excessive bending of the cable can be prevented;
the supporting spring 610 utilizes the hitching ring 609 to hang the supporting spring 610 on the connecting lugs 608 on two sides of the connecting ring 607, when the cable is damaged and maintained, a maintainer utilizes the hitching ring 609 to take down the supporting spring 610, the outer sheath 606, the armored steel belt 605 and the inner sheath 604 on the outer side of the cable are convenient to cut open, meanwhile, the colored pigment is added in the cooling liquid, the central hose 505 and the branch hose 510 are damaged, the cooling liquid in the inner part can seep out from the steel wire braid belt 616, and when the maintainer maintains the cable, the seeped colored cooling liquid enables the maintainer to rapidly position the damaged part.
Finally, it should be noted that: the foregoing is merely a preferred example of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a wear-resisting fast high voltage power cable, includes conductor (1), its characterized in that, conductor (1) outside parcel has wire shielding layer (2), wire shielding layer (2) outside parcel has insulating layer (3), insulating layer (3) outside parcel has insulating shielding layer (4), insulating shielding layer (4) outside is provided with heat dissipation enhancement subassembly (5), heat dissipation enhancement subassembly (5) include send liquid box (501);
the liquid feeding device is characterized in that a liquid feeding box (501) is embedded between the insulating shielding layers (4), a supporting disc (502) is arranged on one side of the liquid feeding box (501), the supporting disc (502) is sleeved on the outer side of the insulating shielding layers (4), connectors (503) are uniformly arranged on one side of the liquid feeding box (501), a transit box (504) is uniformly arranged between the insulating shielding layers (4), a central hose (505) is connected between the top end of one connector (503) at the middle of one side of the liquid feeding box (501) and an adjacent transit box (504), a central hose (505) is also connected between two adjacent transit boxes (504), a connecting sleeve (506) is uniformly sleeved on the outer side of the central hose (505), the outer side of the connecting sleeve (506) is connected with one end of a connecting spring (507), and the other end of the connecting spring (507) is connected with a bonding sheet (508);
branch boxes (509) are evenly installed between two adjacent insulating shielding layers (4), a branch hose (510) is connected between the top end of a connector (503) on one side outer side of the liquid conveying box (501) and the adjacent branch boxes (509), a branch hose (510) is also connected between the two adjacent branch boxes (509), a limiting sheet (511) is arranged on the outer side of each branch hose (510), a heat conduction filling pipe (514) is clamped between the limiting sheets (511) on the same side, the heat conduction filling pipes (514) are sleeved on the outer side of each branch hose (510), a conducting sheet (515) is arranged on the outer side of each limiting sheet (511), a steel wire rope (516) is connected between the adjacent two limiting sheets (511), and a heat dissipation plate (517) is installed on the outer side of each branch box (509).
2. The high-voltage power cable with wear resistance and sun resistance according to claim 1, wherein a butt joint rail (512) is arranged at two ends of the limiting piece (511) on one side, a butt joint groove (513) is arranged at two ends of the limiting piece (511) on the other side, and the butt joint rail (512) is embedded in the butt joint groove (513).
3. The high-voltage power cable with wear resistance and sun resistance according to claim 2, wherein the longitudinal section shapes of the butt-joint rail (512) and the butt-joint groove (513) are mutually matched T-shaped, and the outer side of the butt-joint rail (512) and the inner side of the butt-joint groove (513) are smooth surfaces.
4. The wear-resistant and sun-resistant high-voltage power cable according to claim 1, wherein the longitudinal section of the attaching sheet (508) is arc-shaped, and the outer side of the attaching sheet (508) is attached to the outer side of the adjacent insulating shielding layer (4).
5. The high-voltage power cable with wear resistance and sun resistance according to claim 1, wherein the inner side of the limiting sheet (511) is tightly attached to the outer side of the heat conducting filling pipe (514), and the outer side of the conducting sheet (515) is attached to the outer side of the adjacent insulating shielding layer (4).
6. The wear-resistant and sun-resistant high-voltage power cable according to claim 1, wherein an infusion hole (518) is formed in one side of the liquid feeding box (501), and a sealing plug (519) is connected inside the infusion hole (518) through threads.
7. The high-voltage power cable with wear resistance and sun resistance according to claim 1, characterized in that a protective pressure-resistant component (6) is arranged outside the insulating shielding layer (4), and the protective pressure-resistant component (6) comprises filling cotton (601);
filling cotton (601) is filled outside the conducting plate (515), reinforcing steel wires (602) are fixedly connected between two adjacent support plates (502), the reinforcing steel wires (602) penetrate through the inside of the filling cotton (601) and the inside of the heat dissipation plate (517), filling rubber (603) is filled between one side of the support plate (502) and the adjacent transfer box (504), and the filling rubber (603) is sleeved on the outer side of the insulating shielding layer (4);
the novel plastic composite material is characterized in that the outer sides of the filling cotton (601) and the filling rubber (603) are wrapped with an inner sheath (604), the outer side of the inner sheath (604) is wrapped with an armor steel belt (605), the outer side of the armor steel belt (605) is wrapped with an outer sheath (606), the outer side of the outer sheath (606) is uniformly sleeved with a connecting ring (607), connecting lugs (608) are welded on two sides of the connecting ring (607), a supporting spring (610) is arranged between every two adjacent connecting rings (607), and two ends of the supporting spring (610) are connected with hanging rings (609);
the hanging ring (609) is hung inside two corresponding connecting lugs (608) on the adjacent connecting ring (607), mounting frames (611) are uniformly welded on two sides of the connecting ring (607), limiting top plates (612) are welded on the top ends of the mounting frames (611), limiting steel wires (613) are connected between the two adjacent limiting top plates (612) in a penetrating mode, and limiting heads (614) are connected at two ends of the limiting steel wires (613).
8. The high-voltage power cable with wear resistance and sun resistance according to claim 7, wherein the sides of the filling cotton (601) and the filling rubber (603) are arc-shaped surfaces, and the sides of the filling cotton (601) and the filling rubber (603) are flush with the sides of the supporting disc (502) and the heat dissipation plate (517).
9. The high-voltage power cable according to claim 7, wherein the armoured steel strips (605) are formed by connecting a plurality of flexible steel wires in pairs, and the diameter of the limiting head (614) is larger than that of the opening hole of the limiting top plate (612).
10. The wear-resistant and sun-resistant high-voltage power cable according to claim 7, wherein the surface of the mounting frame (611) is provided with a connecting hole (615), and the outer side of the mounting frame (611) is connected with a steel wire braid (616) through the connecting hole (615).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310830939.XA CN116665982B (en) | 2023-07-07 | 2023-07-07 | Wear-resistant and sun-proof high-voltage power cable |
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| CN202310830939.XA CN116665982B (en) | 2023-07-07 | 2023-07-07 | Wear-resistant and sun-proof high-voltage power cable |
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| CN116665982A CN116665982A (en) | 2023-08-29 |
| CN116665982B true CN116665982B (en) | 2023-10-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117095861B (en) * | 2023-10-16 | 2023-12-26 | 金泰电缆有限公司 | Flexible multi-core aluminum alloy cable |
| CN117558501B (en) * | 2023-11-13 | 2024-05-07 | 哈尔滨交联电力电缆制造有限公司 | Fire-resistant cable |
| CN117809897A (en) * | 2023-11-20 | 2024-04-02 | 河北方科电缆有限公司 | Bending-resistant flame-retardant fireproof cable |
| CN117790069B (en) * | 2024-02-23 | 2024-05-17 | 京缆电缆有限公司 | Cold-resistant 35kV power cable |
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|---|---|---|---|---|
| CA2821796A1 (en) * | 2010-12-15 | 2012-06-21 | Abb Technology Ltd | High voltage electric cable |
| CN109215873A (en) * | 2018-09-25 | 2019-01-15 | 山东大学 | The cooling charging cable of liquid and electric vehicle rapid charging equipment |
| CN213601681U (en) * | 2020-12-01 | 2021-07-02 | 瑞天线缆有限公司 | Fire-retardant fire-resistant composite cable is used to fire control safety |
| CN115602375A (en) * | 2022-11-08 | 2023-01-13 | 黄伟彬（Cn） | Ultrahigh voltage cable with circulating heat dissipation function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4125100A1 (en) * | 2021-07-30 | 2023-02-01 | Aptiv Technologies Limited | A power cable assembly for a power distribution system having an integrated cooling system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2821796A1 (en) * | 2010-12-15 | 2012-06-21 | Abb Technology Ltd | High voltage electric cable |
| CN109215873A (en) * | 2018-09-25 | 2019-01-15 | 山东大学 | The cooling charging cable of liquid and electric vehicle rapid charging equipment |
| CN213601681U (en) * | 2020-12-01 | 2021-07-02 | 瑞天线缆有限公司 | Fire-retardant fire-resistant composite cable is used to fire control safety |
| CN115602375A (en) * | 2022-11-08 | 2023-01-13 | 黄伟彬（Cn） | Ultrahigh voltage cable with circulating heat dissipation function |
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