CN220400295U - Heat dissipation type stranded wire - Google Patents

Heat dissipation type stranded wire Download PDF

Info

Publication number
CN220400295U
CN220400295U CN202322097407.8U CN202322097407U CN220400295U CN 220400295 U CN220400295 U CN 220400295U CN 202322097407 U CN202322097407 U CN 202322097407U CN 220400295 U CN220400295 U CN 220400295U
Authority
CN
China
Prior art keywords
heat dissipation
heat
conductor layer
dissipating
strand
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202322097407.8U
Other languages
Chinese (zh)
Inventor
崔佳宇
杨立军
黎汉林
孙乐雨
施鑫
孟祥辉
候岩
丁启凡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Hengtong Electric Power Special Wire Co Ltd
Original Assignee
Jiangsu Hengtong Electric Power Special Wire Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Hengtong Electric Power Special Wire Co Ltd filed Critical Jiangsu Hengtong Electric Power Special Wire Co Ltd
Priority to CN202322097407.8U priority Critical patent/CN220400295U/en
Application granted granted Critical
Publication of CN220400295U publication Critical patent/CN220400295U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The utility model relates to a heat dissipation type stranded wire, comprising: a pressure-bearing core; the heat dissipation part is provided with a containing groove and a heat dissipation cavity, the pressure-bearing core is positioned in the containing groove, a plurality of heat dissipation fins which are perpendicular to the inner wall of the heat dissipation cavity are arranged in the heat dissipation cavity, the end part of the heat dissipation cavity is connected with a pipeline, and the end part of the pipeline is provided with a cooling source; the radial section of the conductor layer is annular and is helically stranded on the side wall of the heat dissipation part, and the conductor layer is composed of a plurality of wires. The heat dissipation type stranded wire can improve heat dissipation efficiency, so that the service life of a circuit is prolonged.

Description

Heat dissipation type stranded wire
Technical Field
The utility model relates to the technical field of stranded wire structures, in particular to a heat dissipation type stranded wire.
Background
The current state of the art has increasingly demanded power, and some original power transmission circuits are gradually replaced by circuits with higher transmission capacities. When the circuit with high conveying capacity is used, the problems of heat generation and high temperature are usually accompanied, if the circuit is in a high-temperature environment for a long time, the aging of the circuit can be accelerated, the service life of the circuit is shortened, and even the potential safety hazards of breakdown and fire disaster exist. The current circuit dissipates heat mainly through the material that heat dispersion is better realizes passive heat dissipation, but the radiating efficiency of this kind of mode is lower, and the circuit still can appear the higher condition of temperature after long-time use.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to provide the heat dissipation type stranded wire which can improve the heat dissipation efficiency, thereby prolonging the service life of a circuit.
In order to solve the above technical problems, the present utility model provides a heat dissipation type stranded wire, including: a pressure-bearing core; the heat dissipation part is provided with a containing groove and a heat dissipation cavity, the pressure-bearing core is positioned in the containing groove, a plurality of heat dissipation fins which are perpendicular to the inner wall of the heat dissipation cavity are arranged in the heat dissipation cavity, the end part of the heat dissipation cavity is connected with a pipeline, and the end part of the pipeline is provided with a cooling source; the radial section of the conductor layer is annular and is helically stranded on the side wall of the heat dissipation part, and the conductor layer is composed of a plurality of wires.
In one embodiment of the utility model, the two heat dissipation parts are symmetrically arranged, the accommodating groove is positioned at the middle position of the opposite sides of the heat dissipation parts, and the side wall of the accommodating groove is attached to the side wall of the pressure-bearing core.
In one embodiment of the utility model, one of two opposite sides of the radiating fin is connected with the inner wall of the radiating cavity close to one side of the conductor layer and is equidistantly arranged, and a gap exists between the other side of the radiating cavity and the inner wall of the radiating cavity close to one side of the pressure-bearing core.
In one embodiment of the present utility model, the conductor layer is formed by laminating a plurality of wires, and the radial cross section of each wire is Z-shaped.
In one embodiment of the utility model, the wire bonding direction of the conductor layers is the same.
In one embodiment of the present utility model, the conductor layer is provided with at least two layers, and the wire bonding directions of the adjacent two layers of the conductor layer are opposite.
In one embodiment of the utility model, the two ends of the pressure-bearing core are fixed by a fixed anchor.
In one embodiment of the present utility model, both ends of the heat dissipation member are provided with a cooling source, and both ends of the heat dissipation member are connected to the cooling source through the pipe.
In one embodiment of the utility model, the pressure-containing core is formed by twisting a plurality of pressure-containing monofilaments.
In one embodiment of the present utility model, the conductor layer is formed by twisting a plurality of the wires, and the radial cross section of the wires is circular.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
according to the heat dissipation type stranded wire, the heat dissipation cavity of the heat dissipation piece and the cooling source are arranged, so that active heat dissipation can be realized, the heat dissipation efficiency is higher, and the service life can be prolonged. Through set up the fin in the heat dissipation chamber, can increase the area of contact of coolant liquid or cooling gas, improve radiating efficiency.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a radial cross-sectional view of a heat dissipating strand of the present utility model;
FIG. 2 is a schematic diagram of a heat dissipating structure;
fig. 3 is a radial cross-sectional view of another embodiment of a heat dissipating strand of the present utility model.
Description of the specification reference numerals: 1. a pressure-bearing core; 2. a heat sink; 3. a heat sink; 4. a wire; 5. a cooling source; 6. fixing anchors; 21. a receiving groove; 22. a heat dissipation cavity; 23. a first heat dissipation channel; 24. a second heat dissipation channel; 51. a pipeline.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Example 1
Referring to fig. 1 and 2, a heat dissipation type stranded wire of the present utility model includes: a pressure-bearing core 1; the heat dissipation part 2 is provided with a containing groove 21 and a heat dissipation cavity 22, the pressure-bearing core 1 is positioned in the containing groove 21, a plurality of heat dissipation fins 3 which are perpendicular to the inner wall of the heat dissipation cavity 22 are arranged in the heat dissipation cavity 22, the end part of the heat dissipation cavity 22 is connected with a pipeline 51, and the end part of the pipeline 51 is provided with a cooling source 5; and the radial section of the conductor layer is annular and is helically stranded on the side wall of the heat dissipation part 2, and the conductor layer is composed of a plurality of wires 4.
According to the heat dissipation type stranded wire, heat is dissipated when the conducting wire 4 of the conductor layer is used, the cooling source 5 is used for introducing cooling liquid or cooling gas into the heat dissipation cavity 22 from one end of the heat dissipation piece 2, the cooling liquid or cooling gas absorbs the heat through the heat dissipation piece 2, so that heat dissipation of the conductor layer is achieved, and the cooling liquid or cooling gas is discharged from the other end of the heat dissipation piece 2, so that continuous heat dissipation of the conductor layer is achieved. The heat radiating fins 3 in the heat radiating cavity 22 can enlarge the contact area of the cooling liquid or the cooling gas, and improve the heat radiating efficiency. Compared with passive heat dissipation through materials, the heat dissipation type stranded wire can realize active heat dissipation, has higher heat dissipation efficiency and can prolong the service life of the stranded wire.
The pressure-bearing core 1 is positioned in the middle of the heat-dissipation type stranded wire and is used for supporting the whole cable. Preferably, the pressure-bearing core 1 adopts a carbon fiber composite core, has better tensile property and pit corrosion property, and does not generate hysteresis loss and eddy current loss between steel and aluminum because the carbon fiber composite core does not have steel type substances, thereby realizing the effect of energy conservation. The radial section of the pressure-bearing core 1 is circular, and two ends of the pressure-bearing core 1 are fixed with the outside through fixing anchors 6, for example, two ends of the pressure-bearing core 1 are respectively fixed on two electric iron towers through steel anchors, so that stranded wires supported by the pressure-bearing core 1 can be fixed between the two electric iron towers.
The heat dissipation parts 2 are arranged on the outer side of the pressure-bearing core 1, the heat dissipation parts 2 are symmetrically arranged, and the radial cross sections of the two heat dissipation parts 2 are annular with cavities. The opposite sides of the heat dissipation elements 2 are provided with accommodating grooves 21 and are positioned in the middle, the accommodating grooves 21 of the single heat dissipation element 2 are semicircular, and the accommodating grooves 21 are formed into a circle after the two heat dissipation elements 2 are spliced. The pressure-bearing core 1 is located in the accommodating groove 21, and the size of the accommodating groove 21 is matched with the diameter of the pressure-bearing core 1, so that the side wall of the accommodating groove 21 is attached to the side wall of the pressure-bearing core 1, and the pressure-bearing core 1 can be clamped in the accommodating grooves 21 of the two radiating pieces 2. The heat sink 2 is further provided with a heat dissipation chamber 22, and the heat dissipation chamber 22 communicates with the outside through ports at both ends of the heat sink 2. The heat dissipation cavity 22 is of an arch shape as a whole, and a plurality of heat dissipation fins 3 which are perpendicular to the inner wall of the heat dissipation cavity 22 are arranged in the heat dissipation cavity 22. Among the two sides of the opposite arrangement of the radiating fins 3, one side is connected with the inner wall of the radiating cavity 22 close to one side of the conductor layer and is equidistantly arranged, namely, the distance between the two adjacent radiating fins 3 is equal, and a gap exists between the other side and the inner wall of the radiating cavity 22 close to one side of the pressure-bearing core 1, so that the radiating efficiency can be improved while the radiating cavity 22 can be convenient for cooling liquid or cooling air to circulate. Preferably, the heat sink 2 and the heat sink 3 are made of aluminum alloy, so that heat dissipation efficiency can be improved. Because the heat dissipation cavity 22 is hollow, the self-damping characteristic is provided during breeze vibration, the overall service life of the cable can be prolonged, and the occurrence probability of broken wires and even broken strands caused by breeze vibration is reduced. The cooling source 5 is disposed at two ends of the heat sink 2, and the two ends of the heat sink 2 are connected to the cooling source 5 through the pipe 51. Preferably, the cooling source 5 may adopt a gas cooling device, two ends of the heat dissipation element 2 on one side of the pressure-bearing core 1 are respectively connected with an air inlet and an air outlet of the gas cooling device through a pipeline 51 to form a first heat dissipation channel 23, two ends of the heat dissipation element 2 on the other side of the pressure-bearing core 1 are respectively connected with the air outlet and the air inlet of the gas cooling device through the pipeline 51 to form a second heat dissipation channel 24, and two ends on the same side of the two heat dissipation elements 2 are respectively connected with two interfaces of the gas cooling device to enable the gas flow directions of the first heat dissipation channel 23 and the second heat dissipation channel 24 to be different. After the gas enters the second heat dissipation channel 24 from the first heat dissipation channel 23 through the gas cooling device on one side, the gas enters the first heat dissipation channel 23 from the second heat dissipation channel 24 through the gas cooling device on the other side, so that the first heat dissipation channel 23 and the second heat dissipation channel 24 form a circulating heat dissipation channel. Preferably, the gas introduced into the first heat dissipation channel 23 and the second heat dissipation channel 24 is inert gas with higher specific heat capacity, so that heat dissipation efficiency can be improved, for example, helium gas. Preferably, a plurality of cooling fins 3 may be provided on the inner wall of the duct 51. The cooling source can also adopt a liquid cooling device to enable the first cooling channel 23 and the second cooling channel 24 to circulate cooling liquid, thereby playing a role of heat dissipation.
The conductor layer is helically stranded on the side wall of the heat dissipation part 2, the radial section of the conductor layer is annular, and the conductor layer is formed by laminating a plurality of wires 4. Preferably, the radial cross section of the wire 4 is Z-shaped. The two sides of the Z-shaped lead are provided with bulges, the bulges on one side are positioned on the upper half part, the bulges on the other side are positioned on the lower half part, the lamination directions of the leads 4 of the single conductor layer are the same, and the opposite sides of the bulges of the two adjacent leads 4 are jointed, so that the conductor layer is laminated. The conductor layer may also be provided outside the individual conductor layer, so that the conductor layer may be provided with multiple layers. The press-fit directions of the wires 4 of the two adjacent conductor layers are opposite. Preferably, the conductor layer is made of high-conductivity heat-resistant aluminum alloy material. The two ends of the conductor layer are connected with an external circuit through strain clamps.
When in use, the cooling source drives the gas to circulate in the first heat dissipation channel 23 and the second heat dissipation channel 24, and the gas absorbs heat through the heat dissipation element 2, so that the heat dissipation of the conductor layer is realized.
Example two
Referring to fig. 3, the pressure-bearing core 1 is formed by twisting a plurality of pressure-bearing monofilaments, and the pressure-bearing core 1 is caught in the receiving groove 21. Compared with embodiment 1, the diameter of the receiving groove 21 of the heat sink 2 is larger in this embodiment because the diameter of the pressure-receiving core 1 is larger. The arrangement of the heat dissipation cavity 22 and the heat dissipation fins 3 is the same as that of the first embodiment, and will not be described again. The conductor layer is formed by twisting a plurality of wires 4, the radial cross section of each wire 4 is circular, and the conductor layer can be provided with a plurality of layers. The embodiment is used for the arrangement mode in the capacity-increasing transformation of the common circuit, and can improve the heat dissipation efficiency and reduce the skin effect while increasing the conductive capacity. The heat dissipation manner of this embodiment is the same as that of the first embodiment, and will not be described again.
According to the heat dissipation type stranded wire, active heat dissipation can be realized by arranging the heat dissipation cavity of the heat dissipation piece 2 and the cooling source 5, the heat dissipation efficiency is higher, and the service life can be prolonged. By providing the heat radiating fins 3 in the heat radiating chamber 22, the contact area of the cooling liquid or the cooling gas can be enlarged, and the heat radiating efficiency can be improved.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims (10)

1. A heat-dissipating strand, comprising:
a pressure-bearing core;
the heat dissipation part is provided with a containing groove and a heat dissipation cavity, the pressure-bearing core is positioned in the containing groove, a plurality of heat dissipation fins which are perpendicular to the inner wall of the heat dissipation cavity are arranged in the heat dissipation cavity, the end part of the heat dissipation cavity is connected with a pipeline, and the end part of the pipeline is provided with a cooling source;
the radial section of the conductor layer is annular and is helically stranded on the side wall of the heat dissipation part, and the conductor layer is composed of a plurality of wires.
2. The heat-dissipating strand of claim 1, wherein: the heat dissipation piece is provided with two heat dissipation pieces and is symmetrically arranged, the accommodating groove is positioned in the middle of the opposite sides of the heat dissipation piece, and the side wall of the accommodating groove is attached to the side wall of the pressure-bearing core.
3. The heat-dissipating strand of claim 1, wherein: one of the two opposite sides of the radiating fin is connected with the inner wall of the radiating cavity close to one side of the conductor layer and is arranged at equal intervals, and a gap exists between the other side of the radiating fin and the inner wall of the radiating cavity close to one side of the pressure-bearing core.
4. The heat-dissipating strand of claim 1, wherein: the conductor layer is formed by laminating a plurality of wires, and the radial section of each wire is Z-shaped.
5. The heat-dissipating strand of claim 4, wherein: the wire pressing directions of the conductor layers are the same.
6. The heat dissipating strand of claim 5, wherein: the conductor layer is provided with at least two layers, and the wire pressing directions of the adjacent two layers of conductor layers are opposite.
7. The heat-dissipating strand of claim 1, wherein: the two ends of the pressure-bearing core are fixed through fixing anchors.
8. The heat-dissipating strand of claim 2, wherein: and cooling sources are arranged at two ends of the heat dissipation piece, and the two ends of the heat dissipation piece are connected with the cooling sources through the pipelines.
9. The heat-dissipating strand of claim 1, wherein: the bearing core is formed by stranding a plurality of bearing monofilaments.
10. The heat-dissipating strand of claim 1, wherein: the conductor layer is formed by twisting a plurality of wires, and the radial section of each wire is circular.
CN202322097407.8U 2023-08-04 2023-08-04 Heat dissipation type stranded wire Active CN220400295U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322097407.8U CN220400295U (en) 2023-08-04 2023-08-04 Heat dissipation type stranded wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322097407.8U CN220400295U (en) 2023-08-04 2023-08-04 Heat dissipation type stranded wire

Publications (1)

Publication Number Publication Date
CN220400295U true CN220400295U (en) 2024-01-26

Family

ID=89597424

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322097407.8U Active CN220400295U (en) 2023-08-04 2023-08-04 Heat dissipation type stranded wire

Country Status (1)

Country Link
CN (1) CN220400295U (en)

Similar Documents

Publication Publication Date Title
US20170047805A1 (en) Stator module and magnetic field generating structure thereof
US8575489B2 (en) Three-conductor cable
CN103262177A (en) High voltage electric cable
JP4928565B2 (en) Superconducting cable
US20120214676A1 (en) Superconductor cable and ac power transmission cable
CN210722553U (en) High-efficient heat dissipation cable
WO2023098451A1 (en) Liquid cooled cable
JP2012146542A (en) Cable
CN113192674B (en) Liquid cooling charging cable for intelligent chip temperature feedback and disturbance cooling and preparation method
CN106887283B (en) Heat dissipation type charging cable
CN220400295U (en) Heat dissipation type stranded wire
CN113871066A (en) Liquid-cooled flat cable and liquid-cooled flat cable mechanism
CN210805262U (en) High-current-carrying cable for quick charging
CN111403102A (en) Superconducting conductor support with high heat dissipation efficiency
CN113488246B (en) Compression-resistant cable convenient for heat dissipation
CN214476623U (en) High-heat-conductivity corona-resistant glass fiber copper-clad flat wire
CN111933347A (en) Improve heat dissipation cable and photoelectric composite cable of structure
CN105321600A (en) Tensile and pressure-proof mine self-cooling cable
CN112037981A (en) High-efficiency energy-saving power cable
CN220268687U (en) Transmission assembly for elevator maintenance
CN216053920U (en) Conducting rod and high-voltage bushing
CN219800544U (en) Cable with heat dissipation aluminum sleeve
CN213459197U (en) Three-core heat dissipation cable
CN219658448U (en) Insulated cable structure with high transmission efficiency
CN219981370U (en) Cooling mechanism of temperature regulating equipment and device thereof

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant