CN216353537U - Liquid cooling cable - Google Patents
Liquid cooling cable Download PDFInfo
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- CN216353537U CN216353537U CN202122976328.5U CN202122976328U CN216353537U CN 216353537 U CN216353537 U CN 216353537U CN 202122976328 U CN202122976328 U CN 202122976328U CN 216353537 U CN216353537 U CN 216353537U
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Abstract
The utility model relates to a liquid cooling cable, which comprises a liquid cooling channel and at least one group of wire cores with sector cross sections, wherein the liquid cooling channel comprises an inner liquid cooling channel, an outer liquid cooling channel and at least one group of connecting channels; the sinle silk sets up the periphery of interior liquid cooling passageway, and the interior week of outer liquid cooling passageway, connecting channel is in liquid cooling cable radial direction sets up and separates each the sinle silk. According to the utility model, the liquid cooling channels are added inside and outside the wire core, so that the cooling effect of the cable is ensured to the greatest extent, the current carrying capacity of the cable is improved, and the service life of the cable is prolonged.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a liquid cooling cable.
Background
Cables generally include conductors, insulation, and jackets that generate heat due to their own electrical resistance when carrying current. The charging speed of the new energy automobile at the present stage is low, the charging speed is improved by adopting high-power charging, the larger the power is, the larger the heat of the cable per se is, the weight of the cable can be increased by increasing the wire diameter, and the aging of the cable is accelerated by long-term use, so that the service life of the cable is influenced.
Therefore, the inventor provides a liquid cooling cable by virtue of experience and practice of related industries for many years so as to overcome the defects in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a liquid cooling cable, which overcomes the problems in the prior art, and the liquid cooling channels are added inside and outside a wire core, so that the cooling effect of the cable is ensured to the maximum extent, the current carrying capacity of the cable is improved, the weight of the cable is reduced, and the service life of the cable is prolonged.
The utility model aims to realize the liquid cooling cable, which comprises a liquid cooling channel and at least one group of wire cores with sector cross sections, wherein the liquid cooling channel comprises an inner liquid cooling channel, an outer liquid cooling channel and at least one group of connecting channels, the outer liquid cooling channel is communicated with the inner liquid cooling channel through the connecting channels, and a cooling medium circulates in the liquid cooling channel; the sinle silk sets up the periphery of interior liquid cooling passageway, and the interior week of outer liquid cooling passageway, connecting channel is in liquid cooling cable radial direction sets up and separates the sinle silk.
In a preferred embodiment of the present invention, the outer liquid cooling passage includes a first pipe and a second pipe; the first pipe body is sleeved outside the second pipe body; the outer liquid cooling channel further comprises at least one first supporting structure, and the first supporting structure is connected with the inner wall of the first pipe body and the outer wall of the second pipe body.
In a preferred embodiment of the present invention, two ends of each of the connecting channels have a first via hole and a second via hole, the first via hole is disposed to penetrate through a tube wall of the second tube, and the second via hole is disposed to penetrate through a tube wall of the inner liquid cooling channel.
In a preferred embodiment of the present invention, each of the first supporting structures is a plurality of groups of columnar structures; and/or each first supporting structure is a strip-shaped plate-shaped body, and the strip-shaped plate-shaped body is provided with a through hole.
In a preferred embodiment of the present invention, each of the connecting passages has two sets of sidewalls, and the two sets of sidewalls are disposed in a manner of rotating around a central axis of the internal liquid cooling passage; or the two groups of side walls are arranged in a mode of being parallel to the central axis of the inner liquid cooling channel.
In a preferred embodiment of the present invention, an insulating layer is disposed around at least one of the wire cores.
In a preferred embodiment of the present invention, the plurality of wire cores are disposed along a radial direction of the liquid-cooled cable.
In a preferred embodiment of the present invention, the liquid-cooled cable further includes an outer sheath layer, and the outer sheath layer is disposed at an outermost periphery of the liquid-cooled cable.
In a preferred embodiment of the present invention, the liquid-cooled cable further includes a shielding structure, and the shielding structure is sleeved on the periphery of the first pipe; and/or, at least one insulating layer is established to sinle silk periphery cover, at least one insulating layer periphery cover is equipped with shielding structure.
In a preferred embodiment of the present invention, the liquid-cooling cable further includes an inner sheath, the inner sheath is sleeved on the outer periphery of the first pipe, and the shielding structure is sleeved on the outer periphery of the inner sheath.
In a preferred embodiment of the present invention, the internal liquid cooling channel further includes at least one set of second supporting structure, the second supporting structure supports and connects to the inner wall of the internal liquid cooling channel, the second supporting structure is a strip-shaped plate, and the strip-shaped plate is provided with a plurality of sets of through holes; and/or the second support structure is a plurality of groups of columnar structures.
In a preferred embodiment of the present invention, a ratio of a cross-sectional area of the inner cavity of the inner liquid-cooling passage to a sum of cross-sectional areas of the wire cores is 2% to 60%.
In a preferred embodiment of the present invention, the ratio of the inner cavity cross-sectional area of the outer liquid cooling passage to the sum of the core cross-sectional areas is 2% to 60%.
In a preferred embodiment of the present invention, a ratio of a distance between two sidewalls of the connecting passage to a perimeter of the inner liquid cooling passage is 5% to 45%.
In a preferred embodiment of the present invention, a ratio of a circumferential total width of the first supporting structure to a circumferential length of the outer liquid cooling passage is 4% to 54%.
In a preferred embodiment of the present invention, a ratio of a circumferential total width of the second support structure to an inner diameter of the inner liquid cooling passage is 3% to 20%.
In a preferred embodiment of the present invention, the liquid cooling system further includes a liquid cooling circulation pump, the liquid cooling circulation pump is connected to the liquid cooling channel through a communication pipe, and the liquid cooling circulation pump is configured to perform a circulating cooling on a cooling medium in the liquid cooling channel.
From the above, the liquid cooling cable of the present invention has the following beneficial effects:
1. in the liquid cooling cable provided by the utility model, the liquid cooling channels are added in and out of the wire core, so that the cooling effect of the cable is ensured to the maximum extent, the current carrying capacity of the cable is improved, and the service life of the cable is prolonged; the outer sheath layer can effectively protect the internal structure of the device;
2. in the liquid cooling cable provided by the utility model, the cable cores are arranged into the sector shape, and each sector-shaped cable core is arranged around the outer wall of the circular inner liquid cooling channel.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1: the cross section of the liquid cooling cable is schematically shown when the periphery of each wire core is coated with the insulating layer and the shielding structure, and the inner sheath, the shielding structure and the outer sheath layer are arranged outside the outer liquid cooling channel.
FIG. 2: the cross section of the liquid cooling cable is schematically shown when the periphery of each wire core is coated with an insulating layer and a shielding structure, and the shielding structure and an outer sheath layer are arranged outside an outer liquid cooling channel.
FIG. 3: the cross section of the liquid cooling cable is schematically shown when the periphery of a wire core of the liquid cooling cable is coated with an insulating layer and a shielding structure and an outer sheath layer are arranged outside an outer liquid cooling channel.
FIG. 4: the cross section of the liquid cooling cable is schematically shown when the periphery of a wire core of the liquid cooling cable is coated with an insulating layer and an inner sheath, a shielding structure and an outer sheath layer are arranged outside an outer liquid cooling channel.
FIG. 5: the cross section of the liquid cooling cable is schematically shown when the periphery of each wire core is coated with an insulating layer and a shielding structure and an outer sheath layer is arranged outside an outer liquid cooling channel.
FIG. 6: the cross section of the liquid cooling cable is schematically shown when an insulating layer and a shielding structure are coated on the periphery of a wire core of the liquid cooling cable, and an inner sheath, a shielding structure and an outer sheath layer are arranged on the outer side of an outer liquid cooling channel.
FIG. 7: the cross section of the liquid cooling cable is schematically shown when an insulating layer and a shielding structure are coated on the periphery of a wire core of the liquid cooling cable and the shielding structure and an outer sheath layer are arranged outside an outer liquid cooling channel.
FIG. 8: the cross section of each wire core of the liquid cooling cable is schematically shown when a plurality of wire cores are arranged along the radial direction of the liquid cooling cable, and an inner sheath, a shielding structure and an outer sheath layer are arranged outside an outer liquid cooling channel.
FIG. 9: the cross section of each wire core of the liquid cooling cable is in a semicircular fan shape, and an inner sheath, a shielding structure and an outer sheath layer are arranged outside an outer liquid cooling channel.
FIG. 10: the cross section of the liquid cooling cable provided by the utility model comprises a wire core, and an inner sheath, a shielding structure and an outer sheath layer are arranged outside an outer liquid cooling channel.
FIG. 11: the first supporting structure of the present invention is a schematic structural diagram of a bar-shaped plate-like body.
FIG. 12: the cross section of the liquid cooling cable is schematically shown when two adjacent wire cores form a semicircular fan shape and an inner sheath, a shielding structure and an outer sheath layer are arranged outside an outer liquid cooling channel.
In the figure:
100. liquid cooling cables;
1. a wire core;
2. an internal liquid cooling channel; 21. a second support structure;
3. an external liquid-cooled channel; 31. a first pipe body; 32. a second tube body; 331. a columnar structure; 332. a strip-shaped plate-shaped body; 333. a through hole;
4. a connecting channel; 41. a first via hole; 42. a second via hole;
5. an insulating layer;
6. an outer jacket layer;
7. a shielding structure;
8. an inner sheath.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
The specific embodiments of the present invention described herein are for the purpose of illustration only and are not to be construed as limiting the utility model in any way. Any possible variations based on the present invention may be conceived by the skilled person in the light of the teachings of the present invention, and these should be considered to fall within the scope of the present invention. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, indirect connections through intermediaries, and the like. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 12, the present invention provides a liquid cooling cable 100, which includes a liquid cooling passage and at least one group of cores 1 with a sector cross section, wherein the liquid cooling passage includes an inner liquid cooling passage 2, an outer liquid cooling passage 3, and at least one group of connecting passages 4, the outer liquid cooling passage 3 is communicated with the inner liquid cooling passage 2 through the connecting passages 4, and a cooling medium circulates inside the liquid cooling passage; the periphery of liquid cooling passageway 2 in the setting of sinle silk 1 to and the interior week of outer liquid cooling passageway 3, connecting channel 4 sets up and separates sinle silk 1 in the radial direction of liquid cooling cable. The inner liquid cooling channel 2 and the outer liquid cooling channel 3 are made of materials with strong heat conductivity.
In the liquid cooling cable provided by the utility model, the liquid cooling channels are added in and out of the wire core, so that the cooling effect of the cable is ensured to the maximum extent, the current carrying capacity of the cable is improved, and the service life of the cable is prolonged.
Through setting up interface channel 4, can carry out the liquid cooling to the cross-section all around of sector molded lines core 1's longitudinal direction, guarantee the cooling effect of cable to the at utmost to improve the current-carrying capacity and the life of cable.
In the liquid cooling cable provided by the utility model, the cable cores are arranged into the sector shape, and each sector-shaped cable core is arranged around the outer wall of the circular inner liquid cooling channel.
In specific implementation, assuming that the radius of the circular inner liquid cooling channel is r, the circular ring area S1 formed by the sector line cores with the radii of 2r and the angular curvatures of 90 degrees surrounding the outer wall of the circular inner liquid cooling channel is S [ (2r) according to the formula2-r2]Pi, the area of each sector core S2 ═ 2r can be calculated2-r2]π/4＝0.25[(2r)2-r2]Pi; if the cross-sectional area of the circular wire core is made to be S2, the radius R of the circular wire core2＝0.25[(2r)2-r2]π/π＝0.75r2Therefore, R is 0.866R, and d is 1.732R, if a circular core with the same cross-sectional area is disposed around the outer wall of the circular inner liquid-cooling tube, the distance from the central axis of the circular inner liquid-cooling tube to the farthest distance from the circular core to the wall of the inner liquid-cooling tube is R + d is R +1.732R is 2.732R; compared with a cable formed by surrounding the sector type wire cores with the same cross-sectional area with the outer wall of the circular inner liquid cooling pipe, the obtained cable has the maximum distance of 2r from the central axis of the circular inner liquid cooling pipe to the pipe wall of the sector type wire core in the circular distance from the central axis of the circular inner liquid cooling pipe to the pipe wall of the sector type wire core, and therefore the diameter of the cable obtained by surrounding the sector type wire cores with the circular inner liquid cooling passage outer wall is smaller than that of the cable obtained by surrounding the circular inner liquid cooling passage outer wall with the circular wire cores with the same cross-sectional area with the inner liquid cooling passage outer wall.
The liquid cooling channel material comprises polyvinyl chloride, polyethylene, polyamide, polytetrafluoroethylene, tetrafluoroethylene/hexafluoropropylene copolymer, ethylene/tetrafluoroethylene copolymer, polypropylene, polyvinylidene fluoride, polyurethane, poly terephthalic acid, polyurethane elastomer, styrene block copolymer, perfluoroalkoxyalkane, chlorinated polyethylene, polyphenylene sulfide, polystyrene, silicone rubber, crosslinked polyolefin, ethylene-propylene rubber, ethylene/vinyl acetate copolymer, chloroprene rubber, natural rubber, styrene-butadiene rubber, nitrile rubber, butadiene rubber, isoprene rubber, ethylene-propylene rubber, chloroprene rubber, butyl rubber, fluororubber, polyurethane rubber, polyacrylate rubber, chlorosulfonated polyethylene rubber, epichlorohydrin rubber, chlorinated polyethylene rubber, chlorosulfonated sulfur rubber, styrene-butadiene rubber, hydrogenated nitrile rubber, hydrogenated butadiene-acrylonitrile rubber, styrene-butadiene rubber, styrene-butadiene rubber, styrene-, One or more of polysulfide rubber, crosslinked polyethylene, polycarbonate, polysulfone, polyphenylene oxide, polyester, phenolic resin, urea formaldehyde, styrene-acrylonitrile copolymer, polymethacrylate, polyformaldehyde resin.
In specific embodiments, the cooling medium may be selected from one or more of castor oil, coconut oil, corn oil, cottonseed oil, linseed oil, olive oil, palm oil, peanut oil, grapeseed oil, rapeseed oil, safflower oil, sunflower oil, soybean oil, high oleic variants of various vegetable oils, decene-4-acid, decenoic acid, myrcenic acid, nervonic acid, tetradecenoic acid, sperm whale acid, crude rentic acid, palmitoleic acid, petroselinic acid, oleic acid, octadecenoic acid, gadoleic acid, macrocephalic whale acid, cetoleic acid, erucic acid, and nervonic acid, glycerol, transformer oil, axle oil, internal combustion engine oil, or compressor oil; additives selected from one or more of antioxidants, pour point depressants, corrosion inhibitors, antimicrobials, viscosity modifiers may also be added to the cooling oil. The cooling oil has the advantages of sensitive heat balance capability, super-strong heat conduction capability, super-wide working temperature range, boiling and boiling prevention, micro-pressure of a cooling system, no need of adding an antifreezing agent in a low-temperature environment, corrosion damage of cavitation, scale deposit, electrolysis and the like is avoided, and the like. In the specific implementation, the cooling liquid is within the protection scope of the present invention as long as the cooling liquid can cool the cable, and is not particularly limited herein.
Further, as shown in fig. 1 to 10, the outer liquid-cooling passage 3 includes a first pipe 31 and a second pipe 32; the first tube 31 is sleeved outside the second tube 32; outer liquid cooling channel 3 still includes at least one first bearing structure, and first body inner wall and second body outer wall are connected to first bearing structure. The first supporting structure can ensure the stability of the outer liquid cooling channel 3 and ensure the smooth circulation of the cooling liquid in the outer liquid cooling channel 3.
Further, as shown in fig. 1 to 10, the two ends of each connecting channel 4 are provided with a first through hole 41 and a second through hole 42, the first through hole 41 is disposed through the tube wall of the second tube 32, and the second through hole 42 is disposed through the tube wall of the inner liquid cooling channel 2. The communication between the inner liquid cooling channel 2 and the outer liquid cooling channel 3 is realized by the method, and the connection mode of the connecting channel 4 is not particularly limited, and only the communication between the inner liquid cooling channel 2 and the outer liquid cooling channel 3 is realized.
Further, as shown in fig. 11, each of the first supporting structures is a plurality of groups of columnar structures 331; and/or each first support structure is a strip-shaped plate 332, and the strip-shaped plate 332 is provided with a through hole 333; through the arrangement of a plurality of groups of columnar structures 331 and/or strip-shaped plate-shaped bodies 332 with through holes 333, the stability of the structure of the outer liquid cooling channel 3 is improved, the integral communication of the interior of the outer liquid cooling channel 3 is realized, and cooling media can flow through the whole outer liquid cooling channel 3 without limitation.
Furthermore, each connecting channel 4 is provided with two groups of side walls which are arranged in a manner of rotating around the central axis of the inner liquid cooling channel; or the two groups of side walls are arranged in a mode of being parallel to the central axis of the inner liquid cooling channel. The arrangement mode of the two groups of side walls of each connecting channel 4 is not particularly limited, and only the production requirement and the user requirement are met.
Further, as shown in fig. 1 to 7, insulating layer 5 is established to 1 periphery cover of at least one sinle silk, establishes insulating layer 5 through 1 periphery cover at the sinle silk, can play the guard action to sinle silk 1, increases the security when using the liquid cooling cable simultaneously.
Specifically, the insulating layer contains polyvinyl chloride, polyethylene, polyamide, polytetrafluoroethylene, tetrafluoroethylene/hexafluoropropylene copolymer, ethylene/tetrafluoroethylene copolymer, polypropylene, polyvinylidene fluoride, polyurethane, terephthalic acid, polyurethane elastomer, styrene block copolymer, perfluoroalkoxyalkane, chlorinated polyethylene, polyphenylene sulfide, polystyrene, silicone rubber, crosslinked polyolefin, ethylene-propylene rubber, ethylene/vinyl acetate copolymer, chloroprene rubber, natural rubber, styrene-butadiene rubber, nitrile rubber, butadiene rubber, isoprene rubber, ethylene-propylene rubber, chloroprene rubber, butyl rubber, fluorine rubber, polyurethane rubber, polyacrylate rubber, chlorosulfonated polyethylene rubber, epichlorohydrin rubber, chlorinated polyethylene rubber, chlorosulfonated sulfur rubber, styrene butadiene rubber, hydrogenated nitrile rubber, ethylene-propylene rubber, styrene-butadiene rubber, styrene-butadiene rubber, styrene-butadiene rubber, styrene-, One or more of polysulfide rubber, crosslinked polyethylene, polycarbonate, polysulfone, polyphenylene oxide, polyester, phenolic resin, urea formaldehyde, styrene-acrylonitrile copolymer, polymethacrylate, polyformaldehyde resin.
Further, as shown in fig. 8, the plurality of wire cores 1 are arranged along the radial direction of the liquid cooling cable. When specifically implementing, when setting up a plurality of sinle silks 1 through along the radial direction of liquid cooling cable, under the circumstances when keeping 1 cross sectional area of each sinle silk unchangeable and 1 number of sinle silk unchangeable, compare when setting up along the radial list of liquid cooling cable with each sinle silk 1 of the same cross sectional area of above-mentioned each sinle silk 1, it can be littleer apart from the farthest distance of liquid cooling cable axis on each sinle silk 1 to set up a plurality of sinle silks 1 along the radial direction of liquid cooling cable, can reduce the cross sectional area of liquid cooling cable, facilitate the use and increase the application scene.
When specifically implementing, when setting up a plurality of sinle silks 1 through along the radial direction of liquid cooling cable, should add insulating layer 5 in sinle silks 1 outside, guarantee between a plurality of sinle silks 1 of radial setting, insulate each other and do not communicate.
When specifically implementing, through when setting up a plurality of sinle silks 1 along the radial direction of liquid cooling cable, also can arrange the liquid cooling passageway between each sinle silk 1 of radial setting, can further guarantee the cooling effect of cable.
Further, as shown in fig. 1 to 10, the liquid-cooled cable 100 further includes an outer sheath layer 6, and the outer sheath layer 6 is disposed at the outermost periphery of the liquid-cooled cable. The outer jacket layer 6 can effectively protect the inner structure of the outer jacket layer, and the service life of the liquid cooling cable is prolonged.
Further, as shown in fig. 1 to 10, the liquid-cooling cable 100 further includes a shielding structure 7, and the shielding structure 7 is sleeved on the outer periphery of the first tube 31; and/or, the periphery of at least one wire core 1 is sleeved with an insulating layer 5, and the periphery of at least one insulating layer 5 is sleeved with a shielding structure 7. Shielding structure 7 can outwards conduct partly heat, guarantees the cooling effect to the sinle silk to keep apart the electromagnetic field in the sinle silk 1 with external electromagnetic field, reduce the interference to the external world.
In the present embodiment, the shield structure 7 is a metal shield layer for conducting heat to the radially outer side and reducing interference with the outside. The shielding structure 7 can be a metal band, a metal wire, conductive plastic or conductive rubber, and the shielding structure 7 adopts one or more of wrapping, longitudinal wrapping, weaving, inclined wrapping, metal armoring or extrusion processing modes.
Further, the thickness that shielding structure 7 or the first body 31 periphery cover that 5 outside covers of sinle silk insulating layer were established is that more than or equal to 38 μm for shielding structure 7, and the first body 31 periphery cover that corresponds the cover and establish is equipped with shielding structure 7 or the shielding structure 7 that 5 outside covers of sinle silk insulating layer were established is less than 38 μm for shielding structure 7's thickness.
During implementation, the outer side of each wire core 1 is provided with an insulating layer 5 and a shielding structure 7, so that the shielding performance value of the liquid cooling cable is tested.
The shielding performance value test method comprises the following steps: the testing instrument outputs a signal value (the value is a testing value 2) to the liquid cooling cable, and a detecting device is arranged on the outer side of the liquid cooling cable and detects the signal value (the value is a testing value 1). Screening performance value 2-test value 1.
Table 1: influence of thickness of the shielding structure 7 on shielding performance by the shielding structure 7 sleeved outside the insulating layer 5 of the wire core 1 or the peripheral sleeve of the first pipe body 31
It can be seen from table 1 that, when the test frequency exceeds 5MHz, the thickness of the shielding structure 7 sleeved on the outer side of the insulating layer 5 of the cable core 1 or the thickness of the shielding structure 7 sleeved on the outer periphery of the first tube 31 is smaller than 38 μm, the shielding performance value of the liquid cooling cable is qualified, when the test frequency is smaller than 5MHz, the thickness of the shielding structure 7 sleeved on the outer side of the insulating layer 5 of the cable core 1 or the thickness of the shielding structure 7 sleeved on the outer periphery of the first tube 31 is larger than 38 μm, and the shielding performance value of the liquid cooling cable is qualified, therefore, the thicknesses of the shielding structure 7 sleeved on the outer side of the insulating layer 5 of the cable core 1 or the thickness of the shielding structure 7 sleeved on the outer periphery of the first tube 31 respectively adopt different thickness values, so as to shield the interference signals of the full frequency, and ensure the shielding performance of the liquid cooling cable. Therefore, the utility model discloses the people sets for shielding structure 7 or first body 31 periphery cover that 5 outside covers of sinle silk 1 insulating layer were established and is equipped with shielding structure 7's thickness for more than or equal to 38 μm, and the first body 31 periphery cover that the corresponding cover was established is equipped with shielding structure 7 or the thickness of 5 outside covers of sinle silk 1 insulating layer and establish shielding structure 7 is for being less than 38 μm.
Further, as shown in fig. 1, fig. 4, fig. 6, fig. 8, fig. 9, and fig. 10, the liquid cooling cable 100 further includes an inner sheath 8, the outer periphery of the first pipe 31 is sleeved with the inner sheath 8, and the outer periphery of the inner sheath 8 is sleeved with the shielding structure 7.
The inner sheath 8 is arranged, so that the liquid cooling channel can be protected, and the liquid cooling channel is prevented from being damaged; meanwhile, the shielding structure 7 is arranged on the outer side of the inner sheath 8, so that the stability of the shielding structure 7 can be improved, and the shielding structure 7 is prevented from being damaged.
The material of the inner sheath or the outer sheath contains polyvinyl chloride, polyethylene, polyamide, polytetrafluoroethylene, tetrafluoroethylene/hexafluoropropylene copolymer, ethylene/tetrafluoroethylene copolymer, polypropylene, polyvinylidene fluoride, polyurethane, terephthalic acid, polyurethane elastomer, styrene block copolymer, perfluoroalkoxy alkane, chlorinated polyethylene, polyphenylene sulfide, polystyrene, silicone rubber, crosslinked polyolefin, ethylene propylene rubber, ethylene/vinyl acetate copolymer, chloroprene rubber, natural rubber, styrene butadiene rubber, nitrile rubber, butadiene rubber, isoprene rubber, ethylene propylene rubber, chloroprene rubber, butyl rubber, fluorine rubber, polyurethane rubber, polyacrylate rubber, chlorosulfonated polyethylene rubber, epichlorohydrin rubber, chlorinated polyethylene rubber, chlorothiolene rubber, styrene butadiene rubber, styrene-isoprene rubber, styrene-butadiene rubber, styrene-isoprene rubber, styrene-butadiene rubber, styrene-isoprene rubber, styrene-butadiene rubber, styrene-isoprene rubber, styrene-butadiene rubber, styrene-isoprene rubber, styrene-butadiene rubber, styrene-isoprene rubber, styrene-butadiene rubber, styrene-isoprene rubber, styrene-butadiene rubber, styrene-isoprene rubber, styrene-butadiene rubber, Hydrogenated nitrile rubber, polysulfide rubber, crosslinked polyethylene, polycarbonate, polysulfone, polyphenylene oxide, polyester, phenolic resin, urea formaldehyde, styrene-acrylonitrile copolymer, polymethacrylate, polyformaldehyde resin.
Further, the inner liquid cooling channel 2 further comprises at least one group of second supporting structures 21, the second supporting structures 21 are connected with the inner wall of the inner liquid cooling channel 2 in a supporting manner, the second supporting structures 21 are strip-shaped plate-shaped bodies 332, and a plurality of groups of through holes 333 are formed in the strip-shaped plate-shaped bodies; and/or the second support structure 21 is a plurality of groups of columnar structures.
During specific implementation, the second supporting structure 21 is arranged, so that the inner walls of the inner liquid cooling channels are prevented from being contacted with each other due to external force, the pipelines of the inner liquid cooling channels are prevented from being disconnected, and cooling media in the inner liquid cooling channels cannot circulate.
Further, the ratio of the sectional area of the inner cavity of the inner liquid cooling channel 2 to the sum of the sectional areas of the wire cores 1 is 2-60%.
Utility model human for verification the liquid cooling cable temperature rise is chooseed for use to the liquid cooling cable of the same structure in the ratio of the inner chamber sectional area of interior liquid cooling passageway 2 and the sum of sinle silk 1 sectional area, the outer liquid cooling passageway 3 of the same sectional area, and what match wears to establish the sinle silk 1 of the same sectional area sum, during the experiment, the liquid cooling cable that the ratio of the inner chamber sectional area of interior liquid cooling passageway 2 and the sum of sinle silk 1 sectional area is different carries out the temperature rise experiment.
The experimental method of temperature rise is that in a closed environment, liquid cooling cables with different ratios of the sectional area of an inner cavity of the inner liquid cooling channel 2 to the sum of the sectional areas of the wire cores 1 are adopted, the same current is conducted, the temperature of the liquid cooling cables before being electrified and the temperature of the liquid cooling cables after being electrified are recorded, and an absolute value is obtained through difference. In this embodiment, a temperature rise of less than 50K is a qualified value.
Table 2: influence of the ratio of the inner cavity sectional area of the inner liquid cooling channel 2 to the sum of the core 1 sectional areas on the temperature rise of the liquid cooling cable
As can be seen from table 2, when the ratio of the sectional area of the inner cavity of the inner liquid cooling channel 2 to the sum of the sectional areas of the wire cores 1 is less than 2%, the sectional area inside the inner liquid cooling channel 2 is small, the volume of the cooling medium flowing inside is also small, and heat generated by the wire cores due to conduction current cannot be taken away in time, so that the temperature of the liquid cooling cable is very high, the temperature rise of the liquid cooling cable is greater than 50K, and the temperature rise value is not qualified; when the ratio of the sectional area of the inner cavity of the inner liquid cooling channel 2 to the sum of the sectional areas of the wire cores 1 is more than or equal to 2%, the volume proportion of a cooling medium in the inner liquid cooling channel 2 is relatively large, heat generated by the wire cores due to conduction current can be taken away in time, the temperature rise of the liquid cooling cable is less than 50K, but after the ratio of the sectional area of the inner cavity of the inner liquid cooling channel 2 to the sum of the sectional areas of the wire cores 1 is continuously increased by 60%, the temperature rise is decreased stably and does not tend to be decreased continuously, but the outer diameter of the liquid cooling cable is large due to the fact that the sectional area in the inner liquid cooling channel 2 is large at the moment, the outer diameter of the liquid cooling cable is larger than the outer diameter of a common cable without the liquid cooling channel with the same conduction current at the moment, and the use of the liquid cooling cable has no practical optimization significance. Therefore, the utility model discloses the ratio of the inner chamber sectional area of liquid cooling passageway 2 and the sum of sinle silk 1 sectional area is 2% to 60% in the people selection.
Further, the ratio of the inner cavity sectional area of the outer liquid cooling channel 3 to the sum of the core 1 sectional areas is 2-60%.
Utility model people is for verifying the ratio of outer liquid cooling passageway 3's inner chamber sectional area and sinle silk 1 sectional area sum selects the liquid cooling cable of looks isostructure for use to the influence of liquid cooling cable temperature rise, the interior liquid cooling passageway 2 of same sectional area, and what match wears to establish the sinle silk of same sectional area sum, during the experiment, adopts the different liquid cooling cable of ratio of outer liquid cooling passageway 3's inner chamber sectional area and sinle silk 1 sectional area sum, carries out the temperature rise experiment.
The experimental method of temperature rise is that in a closed environment, liquid cooling cables with different ratios of the cross section area of the inner cavity of the outer liquid cooling channel 3 to the sum of the cross section areas of the wire cores 1 are adopted, the same current is conducted, the temperature of the liquid cooling cables before being electrified and the temperature of the liquid cooling cables after being electrified are recorded, and an absolute value is obtained by taking the difference. In this embodiment, a temperature rise of less than 50K is a qualified value.
Table 3: the influence of the ratio of the sectional area of the inner cavity of the outer liquid cooling channel 3 to the sum of the sectional areas of the wire cores 1 on the temperature rise of the liquid cooling cable
As can be seen from table 3, when the ratio of the inner cavity sectional area of the outer liquid cooling channel 3 to the sum of the core 1 sectional areas is less than 2%, the sectional area inside the outer liquid cooling channel 3 is small, the volume of the cooling medium flowing inside is also small, and heat generated by the core due to conduction current cannot be taken away in time, so that the temperature of the liquid cooling cable is very high, the temperature rise of the liquid cooling cable is greater than 50K, and the temperature rise value is not qualified; when the ratio of the cross-sectional area of the inner cavity of the outer liquid cooling channel 3 to the sum of the cross-sectional areas of the wire cores 1 is more than or equal to 2%, the volume proportion of a cooling medium in the outer liquid cooling channel 3 is relatively large, heat generated by the wire cores 1 due to conduction current can be taken away in time, the temperature rise of the liquid cooling cable is less than 50K, but after the ratio of the cross-sectional area of the inner cavity of the outer liquid cooling channel 3 to the sum of the cross-sectional areas of the wire cores 1 is continuously increased by 60%, the temperature rise is decreased to be stable, the trend of continuous decrease is avoided, at the moment, the outer diameter of the liquid cooling cable is large due to the fact that the cross-sectional area in the outer liquid cooling channel 3 is large, the outer diameter of the liquid cooling cable is larger than the outer diameter of a common cable without the liquid cooling channel with the same conduction current, and the liquid cooling cable is not practically optimized. Therefore, the utility model discloses the ratio of the inner chamber sectional area of people's selection outer liquid cooling passageway 3 and sinle silk 1 sectional area sum is 2% to 60%.
Further, the ratio of the distance between the two side walls of the connecting channel 4 to the perimeter of the inner liquid cooling channel 2 is 5% to 45%.
Utility model human for verify between the both sides wall of interface channel 4 the distance accounts for the ratio of 2 weeks of interior liquid cooling passageway chooses the liquid cooling cable of looks isostructure for use to the influence of liquid cooling cable temperature rise, during the experiment, adopts distance to account for between the both sides wall of interface channel 4 the different liquid cooling cables of ratio of 2 weeks of interior liquid cooling passageway carry out the temperature rise experiment.
The experimental method of temperature rise is that in a closed environment, liquid cooling cables with different ratios of the distance between two side walls of a connecting channel 4 to the circumference of the inner liquid cooling channel 2 are adopted, the same current is conducted, the temperature of the liquid cooling cables before being electrified and the temperature of the liquid cooling cables after being electrified are recorded, and an absolute value is obtained by taking the difference. In this embodiment, a temperature rise of less than 50K is a qualified value.
Table 4: influence of the ratio of the distance between the two side walls of the connecting channel 4 to the perimeter of the inner liquid cooling channel 2 on the temperature rise of the liquid cooling cable
As can be seen from table 4, when the ratio of the distance between the two side walls of the connecting channel 4 to the circumference of the inner liquid cooling channel 2 is less than 5%, the connecting channel 4 cannot well realize the circulation of the cooling medium between the inner liquid cooling channel 2 and the outer liquid cooling channel 3, the volume of the cooling medium flowing inside the connecting channel 4 is small, and the heat generated by the conduction current of the wire cores 1 at the two sides of the connecting channel 4 cannot be taken away in time, so that the temperature of the liquid cooling cable is high, the temperature rise of the liquid cooling cable is greater than 50K, and the temperature rise value is not qualified; when the ratio of the distance between the two side walls of the connecting channel 4 to the perimeter of the inner liquid cooling channel 2 is greater than or equal to 45%, the volume of the cooling medium in the connecting channel 4 is relatively large, the circulation of the cooling medium between the inner liquid cooling channel 2 and the outer liquid cooling channel 3 can be well realized, the heat generated by the conduction current of 1 of the core wires at the two sides of the connecting channel 4 can be timely taken away, the temperature rise of the liquid cooling cable is less than 50K, but the temperature rise is stable after the ratio of the perimeter of the inner liquid cooling channel 2 to 45% along with the distance between the two side walls of the connecting channel 4, the temperature rise is no longer prone to continuous descending, and at the moment, if the ratio is continuously increased, no significance is achieved. Therefore, the utility model discloses the people need the distance between the both sides wall of interface channel 4 account for the ratio of 2 girths of interior liquid cooling passageway is 5% to 45%.
Further, the ratio of the total circumferential width of the first support structure to the circumferential length of the outer liquid cooling channel 3 is 4% to 54%.
When first bearing structure is bar platelike body 332, the utility model discloses the people is for verifying the total width of first bearing structure's circumference with the 3 circumference ratios of outer liquid cooling passageway to the influence of liquid cooling cable temperature rise, choose the liquid cooling cable of looks isostructure for use, during the experiment, adopt the total width of first bearing structure's circumference with the different liquid cooling cable of 3 circumference ratios of outer liquid cooling passageway carries out the temperature rise experiment.
The experimental method of temperature rise is that in a closed environment, the same current is conducted by adopting the liquid cooling cables with different ratios of the total circumferential width of the first supporting structure to the perimeter of the outer liquid cooling channel, the temperature of the liquid cooling cables before power-on and the temperature of the liquid cooling cables after power-on are recorded, and an absolute value is obtained by taking the difference. In the embodiment, the temperature rise is less than 50K, which is a qualified value, and meanwhile, the outer liquid cooling channel is ensured not to deform; if the outer liquid cooling channel 3 is deformed, the outer liquid cooling channel is also unqualified.
Table 5: influence of ratio of circumferential total width of first supporting structure to 3 circumferential lengths of outer liquid cooling channel on temperature rise of liquid cooling cable
As can be seen from table 5, when the ratio of the total circumferential width of the first support structure to the circumferential length of the outer liquid-cooling channel 3 is less than 4%, the outer liquid-cooling channel 3 deforms and a temperature rise experiment is not required to be performed on the outer liquid-cooling channel 3, and when the ratio of the total circumferential width of the first support structure to the circumferential length of the outer liquid-cooling channel 3 is greater than 54%, the temperature of the liquid-cooling cable is very high due to the fact that the first support structure occupies a large proportion, the proportion of the cooling medium circulating in the outer liquid-cooling channel 3 is small, and heat generated by the core wires at two sides of the outer liquid-cooling channel 3 due to conduction current cannot be taken away in time, so that the temperature rise of the liquid-cooling cable is greater than 50K, and the temperature rise value is not qualified; therefore, the utility model discloses the ratio of the total width in circumference of people's selection first bearing structure with outer liquid cooling passageway 3 girths is 4% to 54%.
Further, the ratio of the total circumferential width of the second support structure 21 to the inner diameter of the inner liquid cooling passage 2 is 3% to 20%.
When second bearing structure 21 is bar platelike body 332, the utility model discloses the people in order to verify states the total width of circumference of second bearing structure 21 with the liquid cooling cable of looks isostructure is chooseed for use to the influence of liquid cooling cable temperature rise to the ratio of 2 internal diameters of interior liquid cooling passageway, during the experiment, adopt the circumference width of second bearing structure 21 with the liquid cooling cable that the ratio of 2 internal diameters of interior liquid cooling passageway is different carries out the temperature rise experiment.
The experimental method of temperature rise is that in a closed environment, the same current is conducted by adopting the liquid cooling cables with different ratios of the total circumferential width of the second supporting structure 21 to the inner diameter of the inner liquid cooling channel, the temperature of the liquid cooling cables before power-on and the temperature of the liquid cooling cables after power-on are stable are recorded, and an absolute value is obtained by taking the difference. In this embodiment, the temperature rise of less than 50K is a qualified value, and it is required to ensure that the inner liquid cooling channel 2 does not deform; if the inner liquid cooling channel 2 is deformed, the same is not qualified.
Table 6: influence of the ratio of the total circumferential width of the second support structure 21 to the inner diameter of the inner liquid cooling passage 2 on the temperature rise of the liquid cooling cable
As can be seen from table 6, when the ratio of the circumferential width of the second support structure 21 to the circumferential length of the inner liquid cooling channel 2 is less than 3%, although the temperature rise of the liquid cooling cable is less than 50K, the production difficulty is high because the ratio of the circumferential width of the second support structure 21 to the inner diameter of the inner liquid cooling channel 2 is too small, and when the ratio of the total circumferential width of the second support structure 21 to the circumferential length of the inner liquid cooling channel 2 is more than 20%, the temperature rise of the liquid cooling cable is higher than 50K, so the temperature rise value is not qualified; therefore, the ratio of the circumferential width of the second support structure 21 to the inner diameter of the inner liquid-cooling passage is 3% to 20%.
Further, the liquid cooling cable 100 further includes a liquid cooling circulation pump, the liquid cooling circulation pump is connected to the liquid cooling passage through a communicating pipe, and the liquid cooling circulation pump is used for cooling the cooling medium in the liquid cooling passage in a circulating manner. Utilize the cooling medium to take away the heat that sinle silk 1 during operation produced to can give off the heat in the cooling medium to the external environment fast through the liquid cooling circulating pump, guarantee the normal use of liquid cooling cable.
The specific embodiment is as follows:
as shown in fig. 1, the periphery of each core of the liquid cooling cable of the utility model is coated with an insulating layer and a shielding structure, and an inner sheath, a shielding structure and an outer sheath layer are arranged outside the outer liquid cooling channel.
As shown in fig. 2, the periphery of each core of the liquid cooling cable of the present invention is covered with an insulating layer and a shielding structure, and the shielding structure and the outer sheath layer are disposed outside the outer liquid cooling channel.
As shown in fig. 3, the periphery of the core of the liquid cooling cable of the present invention is covered with an insulating layer, and the outer side of the outer liquid cooling channel is provided with a shielding structure and an outer sheath layer.
As shown in fig. 4, the periphery of the core of the liquid cooling cable of the present invention is covered by an insulating layer, and an inner sheath, a shielding structure and an outer sheath layer are disposed outside the outer liquid cooling channel.
As shown in fig. 5, the periphery of each core of the liquid cooling cable of the present invention is covered with an insulating layer and a shielding structure, and an outer sheath layer is disposed outside the outer liquid cooling channel.
As shown in fig. 6, an outer periphery of a core of the liquid cooling cable of the present invention is covered with an insulating layer and a shielding structure, and an inner sheath, a shielding structure and an outer sheath layer are disposed outside the outer liquid cooling channel.
As shown in fig. 7, an outer periphery of a core of the liquid-cooled cable of the present invention is covered with an insulating layer and a shielding structure, and the shielding structure and the outer sheath layer are disposed outside the outer liquid-cooled channel.
As shown in fig. 8, a plurality of cores of the liquid cooling cable are arranged along the radial direction of the liquid cooling cable, and an inner sheath, a shielding structure and an outer sheath layer are arranged outside the outer liquid cooling channel.
As shown in fig. 9, each wire core of the liquid cooling cable of the present invention is in a semicircular sector shape, and an inner sheath, a shielding structure and an outer sheath layer are disposed outside the outer liquid cooling channel.
As shown in fig. 10, the liquid-cooled cable of the present invention includes a core, and an inner sheath, a shielding structure and an outer sheath layer are disposed outside the outer liquid-cooled channel.
Fig. 12 is a schematic cross-sectional view of the liquid-cooled cable according to the present invention, in which two adjacent cores form a semicircular sector, and an inner sheath, a shielding structure, and an outer sheath layer are disposed outside the outer liquid-cooled channel.
From the above, the liquid cooling cable of the present invention has the following beneficial effects:
in the liquid cooling cable provided by the utility model, the liquid cooling channels are added in and out of the wire core, so that the cooling effect of the cable is ensured to the greatest extent; the outer sheath layer can effectively protect the internal structure of the device; the wire core in the liquid cooling cable has good heat dissipation effect, so that the current carrying capacity of the cable is improved, and the service life of the cable is prolonged.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the utility model should fall within the protection scope of the utility model.
Claims (17)
1. A liquid cooling cable comprises a liquid cooling channel and at least one group of wire cores with sector cross sections, and is characterized in that the liquid cooling channel comprises an inner liquid cooling channel, an outer liquid cooling channel and at least one group of connecting channels, the outer liquid cooling channel is communicated with the inner liquid cooling channel through the connecting channels, and a cooling medium circulates in the liquid cooling channel; the sinle silk sets up the periphery of interior liquid cooling passageway, and the interior week of outer liquid cooling passageway, connecting channel is in liquid cooling cable radial direction sets up and separates the sinle silk.
2. The liquid-cooled cable of claim 1, wherein the outer liquid-cooled passage comprises a first tube and a second tube; the first pipe body is sleeved outside the second pipe body; the outer liquid cooling channel further comprises at least one first supporting structure, and the first supporting structure is connected with the inner wall of the first pipe body and the outer wall of the second pipe body.
3. The liquid-cooled cable of claim 2, wherein each of the connecting channels has a first via and a second via at opposite ends thereof, the first via disposed through a wall of the second tube, and the second via disposed through a wall of the inner liquid-cooled channel.
4. The liquid-cooled cable of claim 2, wherein each of the first support structures is a plurality of sets of columnar structures; and/or each first supporting structure is a strip-shaped plate-shaped body, and the strip-shaped plate-shaped body is provided with a through hole.
5. The liquid-cooled cable of claim 1, wherein each of the connecting channels has two sets of sidewalls, the two sets of sidewalls being rotatably disposed about a central axis of the inner liquid-cooled channel; or the two groups of side walls are arranged in a mode of being parallel to the central axis of the inner liquid cooling channel.
6. The liquid-cooled cable of claim 1, wherein an insulating layer is disposed around at least one of the cores.
7. The liquid-cooled cable of claim 1, wherein the plurality of wire cores are arranged in a radial direction of the liquid-cooled cable.
8. The liquid-cooled cable of claim 1, further comprising an outer jacket layer disposed outermost the liquid-cooled cable.
9. The liquid-cooled cable of claim 2, further comprising a shielding structure, wherein the shielding structure is sleeved around the first tube; and/or, at least one insulating layer is established to sinle silk periphery cover, at least one insulating layer periphery cover is equipped with shielding structure.
10. The liquid cooling cable of claim 9, further comprising an inner sheath, wherein the inner sheath is disposed around the first tube, and wherein the shielding structure is disposed around the inner sheath.
11. The liquid-cooled cable of claim 1, wherein the inner liquid-cooled channel further comprises at least one set of second support structures, the second support structures supporting and connecting the inner wall of the inner liquid-cooled channel, the second support structures being strip-shaped plate-like bodies having a plurality of sets of through-holes formed therein; and/or the second support structure is a plurality of groups of columnar structures.
12. The liquid-cooled cable of claim 1, wherein a ratio of a cross-sectional area of the lumen of the inner liquid-cooled channel to a sum of cross-sectional areas of the cores is between 2% and 60%.
13. The liquid-cooled cable of claim 1, wherein the ratio of the cross-sectional area of the lumen of the outer liquid-cooled passage to the sum of the cross-sectional areas of the cores is from 2% to 60%.
14. The liquid-cooled cable of claim 5, wherein a ratio of a distance between two sidewalls of the connecting channel to a perimeter of the inner liquid-cooled channel is between 5% and 45%.
15. The liquid cooled cable of claim 4, wherein a ratio of a total circumferential width of the first support structure to a perimeter of the outer liquid cooled passage is between 4% and 54%.
16. The liquid cooled cable of claim 11, wherein the ratio of the total circumferential width of the second support structure to the inner diameter of the inner liquid cooling passage is 3% to 20%.
17. The liquid-cooled cable of any of claims 1-16, further comprising a liquid-cooled circulation pump, the liquid-cooled circulation pump being connected to the liquid-cooled channel via a communication pipe, the liquid-cooled circulation pump being configured to circulate a cooling medium in the liquid-cooled channel for cooling.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114267486A (en) * | 2021-11-30 | 2022-04-01 | 长春捷翼汽车零部件有限公司 | Liquid cooling cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114267486A (en) * | 2021-11-30 | 2022-04-01 | 长春捷翼汽车零部件有限公司 | Liquid cooling cable |
| WO2023098451A1 (en) * | 2021-11-30 | 2023-06-08 | 长春捷翼汽车科技股份有限公司 | Liquid cooled cable |
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Address after: No. 957, Shunda Road, Gaoxin District, Changchun City, Jilin Province, 130000 Patentee after: Changchun Jieyi Automobile Technology Co.,Ltd. Address before: 130000, 1st floor, 957 Shunda Road, high tech Development Zone, Chaoyang District, Changchun City, Jilin Province Patentee before: CHANGCHUN JIEYI AUTO PARTS CO.,LTD. |
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