CN220272199U - High-power quick charge liquid cooling cable - Google Patents
High-power quick charge liquid cooling cable Download PDFInfo
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- CN220272199U CN220272199U CN202321014934.1U CN202321014934U CN220272199U CN 220272199 U CN220272199 U CN 220272199U CN 202321014934 U CN202321014934 U CN 202321014934U CN 220272199 U CN220272199 U CN 220272199U
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- cable
- liquid
- liquid cooling
- cooling pipeline
- cable core
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- 238000001816 cooling Methods 0.000 title claims abstract description 102
- 239000007788 liquid Substances 0.000 title claims abstract description 92
- 239000000945 filler Substances 0.000 claims abstract description 9
- 239000000110 cooling liquid Substances 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 44
- 238000005096 rolling process Methods 0.000 claims description 17
- 239000007769 metal material Substances 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 9
- 238000005240 physical vapour deposition Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 6
- 238000007747 plating Methods 0.000 claims description 5
- 239000002356 single layer Substances 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 239000011247 coating layer Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 8
- 239000011241 protective layer Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- -1 copper or aluminum Chemical class 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model provides a high-power quick-charging liquid-cooling cable, which belongs to the technical field of industrial cables and comprises a cable core, a cable protection layer and a cable core filler, wherein the cable protection layer is wrapped on the outer side of the cable core, the cable core filler is arranged between the cable core and the cable protection layer, the high-power quick-charging liquid-cooling cable also comprises a liquid-cooling pipeline, the liquid-cooling pipeline is arranged in the cable core, and cooling liquid is introduced into the liquid-cooling pipeline. The liquid cooling pipeline provided by the utility model effectively cools heat generated by remarkable Joule heating effect in the high current carrying cable, the liquid cooling pipeline is arranged in the interior, the liquid cooling pipeline body is also an excellent conductor, the arranged liquid cooling pipeline is used for cooling the interior, the cable outer jacket can be naturally cooled or forced air-cooled, a plurality of liquid cooling pipelines are designed in the cable core conductor in the cable interior, a single cable loop can be realized, the flowing speed of cooling liquid in the whole liquid cooling loop is greatly improved by the liquid cooling pipeline, and heat generated by the liquid cooling cable due to large current can be rapidly taken away.
Description
Technical Field
The utility model relates to an industrial cable technical field especially relates to a high-power quick charge liquid cooling cable.
Background
With the development of technology, critical equipment in many fields, such as a high-temperature boiler, a charging pile, a communication machine room, a nuclear power station, a large-scale data center, a high-thrust engine and the like, have put more strict requirements on high transmission capacity density, light weight, small volume, high flexibility, low heating temperature, high reliability, high safety and the like of cables for power transmission and distribution.
The power transmission cable for carrying a large current generates a remarkable joule heating effect due to the large current in the cable, so that the temperature of the high current carrying cable is increased sharply, thereby greatly reducing the reliability and the service life of the cable.
There are generally three methods for solving the above problems:
firstly, the area of the cable is increased, but as the conventional cable adopts metals such as copper or aluminum, the weight and the rigidity of the cable are increased while the area of the cable is increased, and the operability of the cable is limited;
and secondly, adopting air cooling to indirectly cool the cable. The effect is poor, the energy efficiency ratio is lower, and the heat dissipation requirement of large current is difficult to meet.
Thirdly, cooling technology such as water-cooling or oil cooling cools down the cable, and in view of the compactness of cable itself, the current heat dissipation mode mainly sets up the cooling chamber between electric core oversheath and wire. On the one hand, the heat dissipation requirement of large current is difficult to meet, and meanwhile, the diameter of the cable is greatly increased, so that the reliability of the cable in the use process is reduced.
The traditional cable has poor current carrying capacity and line conveying capacity under the condition of small diameter; when the cable is at high temperature, the cable is affected by heat, the current carrying capacity of the cable is reduced if the cable is light, and the cable is damaged if the cable is heavy if the cable is partially overloaded; the traditional liquid cooling cable adopts the external cooling of the conductor, and under the condition of the same conductor sectional area, as shown in fig. 5, the cable is bigger. The cooling technology in the conductor also appears in the early days, but has unavoidable drawbacks due to the conventional pulling technology: the thickness of the formed tube is large (the formed tube is too thick, and when the formed tube is bent, the wrinkling can increase the internal resistance and the pressure drop), and the range of usable materials is small.
Disclosure of Invention
Use novel aim at provides a high-power quick charge liquid cooling cable, solves current radiating cable and increases the technical problem that the heat dissipation cover leads to diameter increase and radiating effect not good in the diameter outside.
The unidirectional liquid cooling pipeline is designed in the cable core conductor inside the cable, the flow speed of cooling liquid in the whole liquid cooling loop is greatly improved by the liquid cooling pipeline, and heat generated by the liquid cooling cable due to high current can be rapidly taken away.
In order to achieve the above purpose, the technical scheme adopted by the novel use is as follows:
the utility model provides a high-power quick charge liquid cooling cable, includes cable core, cable protective layer and cable core filler, and the cable protective layer package is established in the outside of cable core, and the cable core filler sets up between cable core and cable protective layer, still includes the liquid cooling pipeline, and the liquid cooling pipeline sets up in the inside of cable core, and the liquid cooling pipeline lets in the coolant liquid.
Further, the cable core is formed by winding a plurality of wire cores, the liquid cooling pipeline is arranged at the central position of the cable core, the diameter of the liquid cooling pipeline is larger than that of the wire cores, and the plurality of wire cores are wound on the outer side of the liquid cooling pipeline.
Further, the scheme further comprises a plurality of temperature measuring wires, the temperature measuring wires are arranged between the wire cores, and the plurality of temperature measuring wires and the plurality of wire cores are wound on the outer sides of the liquid cooling pipelines.
Further, the cable core is formed by winding a plurality of wire cores, the number of the liquid cooling pipelines is a plurality of, and the liquid cooling pipelines are arranged between the wire cores and are wound.
Further, the scheme further comprises a plurality of temperature measuring wires, a wire core is arranged between the temperature measuring wires and the liquid cooling pipeline, and the size of the liquid cooling pipeline is the same as that of the wire core.
Further, the liquid cooling pipeline is made of a metal material in an O state, and belongs to copper or aluminum.
Further, the liquid cooling pipeline is formed by single-layer metal materials, then welded or integrally formed, and the metal materials are formed by rolling, rolling or rolling.
Further, the inner layer and the outer layer of the liquid cooling pipeline are provided with composite material layers, and the composite material layers are plating layers, coating layers, anodic oxidation layers, PVD layers or physical vapor deposition layers.
The novel use has the following beneficial effects due to the adoption of the technical scheme:
the novel liquid cooling pipeline that sets up of use is effectual has cooled the heat that showing the joule heating effect and produce in the high current-carrying cable, the liquid cooling pipeline lies in inside, and the liquid cooling pipeline body is also an excellent conductor, the liquid cooling pipeline of setting is in inside when cooling down, the cable oversheath also can carry out natural cooling or forced air cooling, it has a plurality of liquid cooling pipelines with the cable core conductor of cable inside in designing, can realize single cable looping way, its liquid cooling pipeline very big has promoted the flow velocity of cooling liquid in whole liquid cooling return circuit, can take away the heat that the liquid cooling cable produced because of the heavy current rapidly.
Drawings
FIG. 1 is a cross-sectional view of a first embodiment of the present use novel liquid cooled cable;
FIG. 2 is a cross-sectional view of a second embodiment of the present use novel liquid cooled cable;
FIG. 3 is a cross-sectional view of a third embodiment of the present use novel liquid cooled cable;
FIG. 4 is a cross-sectional view of a conventional water-cooled or oil-cooled structure.
Fig. 5 is a cross-sectional view of a conventional conductor outer cooling structure.
In the drawing, 1-cable core, 2-cable protection layer, 3-cable core filler, 4-liquid cooling pipeline and 5-temperature measuring line.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail below with reference to the accompanying drawings and by way of preferred embodiments. It should be noted, however, that many of the details set forth in the description are merely provided to provide a thorough understanding of one or more aspects of the present novel use, and that these aspects of the present novel use may be practiced without these specific details.
Example 1:
as shown in fig. 1, a high-power quick charge liquid cooling cable includes cable core 1, cable protective layer 2 and cable core filler 3, and cable protective layer 2 wraps up in the outside of cable core 1, and cable core filler 3 sets up between cable core 1 and cable protective layer 2, its characterized in that: still include liquid cooling pipeline 4, liquid cooling pipeline 4 sets up in the inside of cable core 1, and liquid cooling pipeline 4 lets in the coolant liquid. The liquid cooling pipeline 4 of this structure sets up the intermediate position at cable core 1, and then the diameter of liquid cooling pipeline 4 is much bigger than every heart yearn in the cable core 1, and liquid cooling pipeline 4 is used for absorbing the heat that cable core 1 produced to liquid cooling pipeline center reduces the thermal conductance distance greatly. The liquid cooling line 4 is made of a metallic material in an O-state, which is an annealed, i.e., fully soft, state, suitable for use in a finished product that is fully annealed to a minimum strength, including but not limited to copper or aluminum. The structure is formed by welding (or not welding) a single-layer material, and is formed by rolling, rolling and rolling, wherein the inner layer and the outer layer of the radiating pipe material are provided with composite material layers, and the inner material layer and the outer material layer are not necessarily consistent with the process. The thinnest thickness of the technology can reach 0.06mm, and the structure is mainly used for supporting during production, and plays a main role in sealing, reducing water resistance and maintaining a flow passage during operation.
Example 2:
as shown in fig. 2, this embodiment is different from embodiment 1 in that the cable core 1 is formed by winding a plurality of wire cores, the liquid cooling pipe 4 is provided at the center position of the cable core 1, the diameter of the liquid cooling pipe 4 is larger than that of the wire cores, and the plurality of wire cores are wound on the outer side of the liquid cooling pipe 4. The temperature measuring device further comprises a plurality of temperature measuring wires 5, wherein the temperature measuring wires 5 are arranged between the wire cores, and the plurality of temperature measuring wires 5 and the plurality of wire cores are wound on the outer side of the liquid cooling pipeline 4.
The structure is mainly provided with the temperature measuring wire 5, so that whether the temperature of the cable core 1 is too high can be detected in real time, if so, the flow of cooling liquid in the liquid cooling pipeline 4 can be increased, the heat conversion efficiency is increased, and the cable temperature is prevented from being too high. The liquid cooling pipeline is used for cooling the inside, and the cable outer sheath can be naturally cooled or forced air cooled.
Example 3:
as shown in fig. 3, this embodiment is different from embodiment 1 in that the cable core 1 is formed by winding a plurality of wire cores, the number of liquid cooling pipes 4 is a plurality, and the liquid cooling pipes 4 are disposed between the wire cores and are wound. The temperature measuring device further comprises a plurality of temperature measuring wires 5, a wire core is arranged between the temperature measuring wires 5 and the liquid cooling pipeline 4, and the size of the liquid cooling pipeline 4 is the same as that of the wire core. The liquid cooling pipeline 4 is made of a metal material in an O state, and belongs to copper or aluminum. The liquid cooling pipeline 4 is formed by a single-layer metal material, and then welded, and the metal material is formed by rolling, rolling or rolling. The inner and outer layers of the liquid cooling pipeline 4 are provided with composite material layers, and the composite material layers are plating layers, coating layers, anodic oxidation layers, PVD layers or physical vapor deposition layers.
The liquid cooling pipeline adopts a metal material in an O state, wherein the O state is an annealing state, namely a full soft state, and is suitable for a processed product with the lowest strength obtained through full annealing, and the material comprises but is not limited to copper or aluminum. The structure is formed by welding single-layer materials after forming, and is formed by rolling, rolling and rolling, and the inner layer and the outer layer of the radiating pipe material are provided with composite material layers, and the inner material layer and the outer material layer are not necessarily consistent with the process.
The liquid cooled tubing material inner and outer composite layers include, but are not limited to, plating, coating, anodic oxidation, PVD, physical Vapor Deposition (physical vapor deposition). The inner and outer layers of the liquid cooling pipeline material are not necessarily the same technology or the same material, and include, but are not limited to, the inner layer is a coating, and the outer layer is a coating; the inner layer and the outer layer are plating layers. The shaping of the liquid cooled conduit includes, but is not limited to, rolling, and rolling. The welding of the liquid cooled pipes includes, but is not limited to, brazing, medium frequency welding, high frequency welding, diffusion welding, laser welding.
Comparative example 1, as shown in fig. 4, the structure uses air cooling, which is poor in effect, and adopts air cooling to cool the cable indirectly. The effect is poor, the energy efficiency ratio is lower, and the heat dissipation requirement of large current is difficult to meet.
In comparative example 2, as shown in fig. 5, the cable was larger in the case of using the external cooling of the conductor and the sectional area of the conductor. The cooling technology in the conductor also appears in the early days, but has unavoidable drawbacks due to the conventional pulling technology: the thickness of the formed tube is large (the formed tube is too thick, and when the formed tube is bent, the wrinkling can increase the internal resistance and the pressure drop), and the range of usable materials is small.
The technical scheme of the application solves the technical problems in the comparative examples 1 and 2, realizes the central distribution of the liquid cooling pipeline or the cable core distribution of the liquid cooling pipeline, and greatly reduces the heat conduction distance.
And according to the thermal path model, the cable current-carrying capacity and the line conveying capacity under the cooling mode are calculated respectively.
TABLE 1 conductor cross-sectional area 50mm 2 Maximum current capacity and line transport capacity at the time
The foregoing is merely illustrative of the presently preferred embodiments of the utility model, and it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the novel principles of the utility model, which are intended to be covered by the present utility model.
Claims (6)
1. The utility model provides a high-power quick charge liquid cooling cable, includes cable core (1), cable protection layer (2) and cable core filler (3), and cable protection layer (2) package is established in the outside of cable core (1), and cable core filler (3) set up between cable core (1) and cable protection layer (2), its characterized in that: the cable core is characterized by further comprising a liquid cooling pipeline (4), wherein the liquid cooling pipeline (4) is arranged in the cable core (1), and cooling liquid is introduced into the liquid cooling pipeline (4);
the cable core (1) is formed by winding a plurality of wire cores, the liquid cooling pipeline (4) is arranged at the center of the cable core (1), and the plurality of wire cores are wound on the outer side of the liquid cooling pipeline (4).
2. The high power fast charge liquid cooled cable of claim 1, wherein: the temperature measuring device further comprises a plurality of temperature measuring wires (5), wherein the temperature measuring wires (5) are arranged between the wire cores, and the plurality of temperature measuring wires (5) and the plurality of wire cores are wound on the outer side of the liquid cooling pipeline (4).
3. The high power fast charge liquid cooled cable of claim 1, wherein: the cable core (1) is formed by winding a plurality of wire cores, the number of the liquid cooling pipelines (4) is a plurality of, and the liquid cooling pipelines (4) are arranged between the wire cores and are wound.
4. A high power fast charge liquid cooled cable according to claim 3, wherein: the temperature measuring device also comprises a plurality of temperature measuring wires (5), and a wire core is arranged between the temperature measuring wires (5) and the liquid cooling pipeline (4).
5. The high power fast charge liquid cooled cable of claim 4, wherein: the liquid cooling pipeline (4) is formed by integrally forming a single-layer metal material or welding after forming, and the metal material is formed by rolling, rolling or rolling.
6. The high power fast charge liquid cooled cable of claim 5, wherein: the inner layer and the outer layer of the liquid cooling pipeline (4) are provided with composite material layers, and the composite material layers are plating layers, coating layers, anodic oxidation layers, PVD layers or physical vapor deposition layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321014934.1U CN220272199U (en) | 2023-04-27 | 2023-04-27 | High-power quick charge liquid cooling cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321014934.1U CN220272199U (en) | 2023-04-27 | 2023-04-27 | High-power quick charge liquid cooling cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220272199U true CN220272199U (en) | 2023-12-29 |
Family
ID=89303262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321014934.1U Active CN220272199U (en) | 2023-04-27 | 2023-04-27 | High-power quick charge liquid cooling cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220272199U (en) |
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2023
- 2023-04-27 CN CN202321014934.1U patent/CN220272199U/en active Active
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