CN219066438U - Liquid-cooled aluminum alloy high-voltage transmission cable - Google Patents
Liquid-cooled aluminum alloy high-voltage transmission cable Download PDFInfo
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- CN219066438U CN219066438U CN202223171309.6U CN202223171309U CN219066438U CN 219066438 U CN219066438 U CN 219066438U CN 202223171309 U CN202223171309 U CN 202223171309U CN 219066438 U CN219066438 U CN 219066438U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a liquid-cooled aluminum alloy high-voltage transmission cable, which comprises a conductor, wherein a plurality of tripod sleeves are sleeved on the conductor, an aluminum alloy sleeve is sleeved outside the tripod sleeves, and a silicon rubber outer sheath is extruded outside the aluminum alloy sleeve; and filling cooling liquid in the gap between the tripod sleeve and the aluminum alloy sleeve. The application mainly solves the problem of high cost and poor heat dissipation of the power transmission high-voltage cable for the new energy vehicle, and the liquid-cooled aluminum alloy high-voltage transmission cable can be used as a flat substitute, so that the cost can be reduced, and meanwhile, the liquid-cooled aluminum alloy high-voltage transmission cable has higher current carrying capacity compared with the traditional high-voltage transmission cable.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a liquid-cooled aluminum alloy high-voltage transmission cable.
Background
At present, in the new energy automobile industry in China, the used high-voltage wires in the automobile are all traditional high-voltage wires with copper as conductors; with the falling of various policies, new energy automobiles can be developed in a blowout way, and the new energy automobiles are used as traditional copper conductor high-voltage wires, so that the cost is high, the dead weight is heavy, the heat dissipation performance is poor due to the fact that a heat dissipation device is not arranged, and the service life is short. The running mileage of the existing new energy automobile is continuously increased, the self weight of the automobile is continuously required to be lightened, obviously, the copper conductor high-voltage wire with heavy dead weight and poor heat dissipation performance is not the most suitable, and the high-voltage wire with light weight and high current carrying capacity is an urgent requirement for the development of the new energy automobile.
A liquid-cooled aluminum alloy high-voltage transmission cable has been developed.
Disclosure of Invention
The utility model aims to solve the existing problems, and provides a liquid-cooled aluminum alloy high-voltage transmission cable which mainly solves the problems of high cost and poor heat dissipation of a power transmission high-voltage cable for new energy vehicles.
The utility model relates to a liquid-cooled aluminum alloy high-voltage transmission cable, which comprises an aluminum alloy conductor, wherein a plurality of tripod sleeves are sleeved on the aluminum alloy conductor, the tripod sleeves are sleeved with the aluminum alloy sleeves, and a silicon rubber outer sheath is extruded outside the aluminum alloy sleeves; and filling cooling liquid in the gap between the tripod sleeve and the aluminum alloy sleeve.
The aluminum alloy conductor is further improved, and an AA8030 series aluminum alloy rod is adopted, so that the mechanical performance and the safety are greatly improved on the premise of keeping the conductivity; the aluminum content exceeds 98%, and trace elements such as Si, cu, fe, me and the like are added to total 1% -1.5%, so that the creep property of the conductor is improved, and the aluminum-containing composite material is an excellent material for replacing copper conductors.
Further improved, the tripod sleeve is made of silicon rubber, 3 supporting feet with integrated structures are arranged on the outer side wall of the tripod sleeve, two long sides of each supporting foot are wavy, and a plurality of guide holes are formed in each supporting foot; the outer side wall of the tripod sleeve is provided with a plurality of heat dissipation holes.
Further improved, the silicon rubber outer sheath is prepared from a silicon rubber material at the temperature of-40-175 ℃.
Further improved, when the sectional area of the aluminum alloy conductor is 25-35mm, the diameter of the tripod sleeve is 6.50mm, and the interval between the tripod sleeves sleeved on the aluminum alloy conductor is 500mm.
Further improved, when the sectional area of the aluminum alloy conductor is 35-50mm, the diameter of the tripod sleeve is 8.00mm, and the interval between the tripod sleeves sleeved on the aluminum alloy conductor is 400mm.
Further improved, when the sectional area of the aluminum alloy conductor is 50-70mm, the diameter of the tripod sleeve is 11.50mm, and the interval between the tripod sleeves sleeved on the aluminum alloy conductor is 200mm.
Further improved, when the sectional area of the aluminum alloy conductor is 70-95mm, the diameter of the tripod sleeve is 13.40mm, and the interval between the tripod sleeves sleeved on the aluminum alloy conductor is 100mm.
The utility model has the beneficial effects that:
the weight of the aluminum alloy conductor is about half of that of the copper conductor when the current-carrying capacity is the same, and the aluminum alloy conductor is adopted to replace the copper conductor, so that the weight of the cable can be greatly reduced, the installation cost is reduced, the abrasion of equipment and the cable is reduced, and the installation work is more convenient; on the premise of meeting the same electrical performance, the weight of the aluminum alloy conductor is 1/3 of that of the copper conductor, the price is 30% -50% lower than that of the traditional copper conductor, and according to the utility model, the cost of the whole assembly cable part of the new energy automobile is reduced by about 10%, and meanwhile, the continuous current carrying capacity of the power transmission cable can be improved by more than 120%;
filling an electronic fluoridation liquid in a gap between the tripod sleeve and the aluminum alloy sleeve, wherein the liquid is colorless, transparent, low-viscosity, nonflammable and high-safety, and has good chemical inertia and electrical insulation performance; the fluoridized liquid has strong chemical stability, can run for a long time without corroding an aluminum alloy conductor and a tripod sleeve, and is an excellent cooling liquid; the aluminum alloy sleeve 3 can better store the electronic fluoridation liquid, has excellent heat conduction performance, can rapidly transfer the heat absorbed by the internal electronic fluoridation liquid to an external space through the aluminum alloy sleeve so as to cool the internal, and can improve the current carrying capacity and the duration of heavy current of the internal aluminum alloy conductor;
the tripod sleeve is made of silicon rubber, 3 supporting feet with an integral structure are arranged on the outer side wall of the tripod sleeve, and in order to regularly bend the supporting feet according to wavy lines when bending, the tripod sleeve has better bending ductility when conductors are laid and bent, the tripod sleeve cannot move to change positions due to bending of the conductors, and the function of fastening the conductors is achieved; the two long sides of the supporting leg are wavy, and 4-8 diversion holes are formed in the supporting leg, so that good bending performance is provided, the resistance of the cooling liquid in circulation can be reduced, and the flow velocity of the cooling liquid is not reduced due to the obstruction of the cross section; the outer side wall of the tripod sleeve between every two supporting legs is provided with a plurality of heat dissipation honeycomb holes, so that the conductor is tightly wrapped and has heat dissipation;
the outer sheath is prepared from a silicon rubber material at the temperature of-40-175 ℃, has good softness and good heat dissipation, is suitable for fixing, bending and laying in a vehicle and is convenient to install; meanwhile, the silicon rubber material can resist the temperature of-40-175 ℃ and can also keep good insulation performance in extremely severe weather environment.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic structural view of a tripod sleeve according to the present utility model.
Description of the embodiments
The utility model is further described below with reference to the drawings and the detailed description.
As shown in fig. 1, the utility model provides a liquid-cooled aluminum alloy high-voltage transmission cable, which comprises an aluminum alloy conductor 1, wherein the aluminum alloy conductor adopts an AA8030 series aluminum alloy rod, and the mechanical property and the safety are greatly improved on the premise of keeping the conductivity; the aluminum content exceeds 98 percent, trace elements such as Si, cu, fe, me and the like are added to total 1 to 1.5 percent, so that the creep property of the conductor is improved, and the aluminum-containing composite material is an excellent material for replacing a copper conductor;
the conductor is sleeved with a plurality of tripod sleeves 2, the tripod sleeves are sleeved with aluminum alloy sleeves 3, the aluminum alloy sleeves are externally extruded with a silicon rubber outer sheath 4, and the conductor is prepared from a silicon rubber material at the temperature of-40-175 ℃, has good softness and good heat dissipation, is suitable for fixing, bending and laying in a vehicle and is convenient to install; meanwhile, the silicon rubber material can resist the temperature of-40-175 ℃ and can also keep good insulation performance in extremely severe weather environment.
Filling a cooling liquid 5 in a gap between the tripod sleeve and the aluminum alloy sleeve, wherein an electronic fluoridation liquid is adopted, and the liquid is colorless, transparent, low-viscosity, nonflammable and high-safety, and has good chemical inertia and electrical insulation performance; the fluoridized liquid has strong chemical stability, can run for a long time without corroding an aluminum alloy conductor and a tripod sleeve, and is an excellent cooling liquid; the aluminum alloy sleeve 3 can better store the electronic fluoridation liquid, has excellent heat conduction performance, can rapidly transfer the heat absorbed by the internal electronic fluoridation liquid to an external space through the aluminum alloy sleeve, so that the internal is cooled, and the current carrying capacity and the duration of heavy current of the internal aluminum alloy conductor can be improved.
As shown in fig. 2, the tripod sleeve 2 is made of silicone rubber, and 3 supporting feet 21 with an integral structure are arranged on the outer side wall of the tripod sleeve, so that the tripod can have better bending ductility when the conductor is laid and bent in order to regularly bend the supporting feet according to wavy lines, and the tripod sleeve can not move to change positions due to bending of the conductor, thereby playing a role of fastening the conductor; the two long sides of the supporting leg are wavy, and 4-8 flow guide holes 22 are formed in the supporting leg, so that good bending performance is provided, the resistance of the cooling liquid in circulation can be reduced, and the flow velocity of the cooling liquid is not reduced due to the obstruction of the cross section; the outer side wall of the tripod sleeve is provided with a plurality of heat dissipation honeycomb holes 23, so that the conductor is tightly wrapped and has heat dissipation; the pipe orifice of the tripod sleeve is arranged in a groove, the included angle between the slope and the horizontal plane is 40 degrees, the tripod sleeve can be better attached to the outside of the aluminum alloy conductor, the resistance of liquid flowing can be reduced, and the flow rate of cooling liquid is improved.
Tripod sleeves can be selectively matched according to the cross-sectional area of the conductor, as shown in the following table:
when the sectional area of the aluminum alloy conductor is 25-35mm, the diameter of the tripod sleeve is 6.50mm, and the interval between the tripod sleeves sleeved on the aluminum alloy conductor is 500mm;
when the sectional area of the aluminum alloy conductor is 35-50mm, the diameter of the tripod sleeve is 8.00mm, and the interval between the tripod sleeves sleeved on the aluminum alloy conductor is 400mm;
when the sectional area of the aluminum alloy conductor is 50-70mm, the diameter of the tripod sleeve is 11.50mm, and the interval between the tripod sleeves sleeved on the aluminum alloy conductor is 200mm;
when the sectional area of the aluminum alloy conductor is 70-95mm, the diameter of the tripod sleeve is 13.40mm, and the interval between the tripod sleeves sleeved on the aluminum alloy conductor is 100mm;
what needs to be explained here is: the above four cases are listed, but not limited to these four cases, and may be determined according to actual needs.
When the aluminum alloy conductor is installed, 1 tripod sleeve is sleeved on the aluminum alloy conductor at intervals (see the table above) according to the sectional area of the aluminum alloy conductor for fixing and supporting the aluminum alloy conductor inside the aluminum alloy sleeve, and the aluminum alloy conductor and the aluminum alloy sleeve cannot be contacted to cause electric leakage when the aluminum alloy conductor is laid, installed and bent; the free gap between the aluminum alloy conductor and the aluminum alloy sleeve pipe wall is filled with electronic fluorinated liquid for isolating electric spark generated by the aluminum alloy conductor and the aluminum alloy sleeve pipe when the aluminum alloy conductor and the aluminum alloy sleeve pipe are electrified, and meanwhile, the electronic fluorinated liquid can play an excellent role in cooling, so that when the aluminum alloy conductor passes through a large current, the surface temperature of the aluminum alloy conductor cannot be rapidly increased, and the current carrying capacity is improved by 200%.
In summary, the application mainly solves the problems of high cost and poor heat dissipation of the power transmission high-voltage cable for the new energy vehicle, and the liquid-cooled aluminum alloy high-voltage transmission cable can be used as a flat substitute, so that the cost can be reduced, and meanwhile, the power transmission high-voltage cable has higher current carrying capacity compared with the traditional high-voltage transmission cable.
The present utility model has been described in terms of the preferred embodiments thereof, and it should be understood by those skilled in the art that various modifications can be made without departing from the principles of the utility model, and such modifications should also be considered as being within the scope of the utility model.
Claims (8)
1. The utility model provides a liquid-cooled aluminum alloy high voltage transmission cable which characterized in that: the aluminum alloy conductor is sleeved with a plurality of tripod sleeves, the tripod sleeves are sleeved with aluminum alloy sleeves, and a silicon rubber outer sheath is extruded outside the aluminum alloy sleeves; and filling cooling liquid in the gap between the tripod sleeve and the aluminum alloy sleeve.
2. The liquid cooled aluminum alloy high voltage transmission cable of claim 1 wherein said aluminum alloy conductor is an AA 8030-series aluminum alloy rod.
3. The liquid-cooled aluminum alloy high-voltage transmission cable according to claim 1, wherein the tripod sleeve is made of silicon rubber, 3 supporting feet with integrated structures are arranged on the outer side wall of the tripod sleeve, two long sides of each supporting foot are wavy, and a plurality of guide holes are formed in each supporting foot; the outer side wall of the tripod sleeve is provided with a plurality of heat dissipation honeycomb holes.
4. The liquid-cooled aluminum alloy high-voltage transmission cable according to claim 1, wherein the silicone rubber outer sheath is made of a silicone rubber material at-40-175 ℃.
5. The liquid-cooled aluminum alloy high voltage transmission cable of claim 1 or 2, wherein when the cross-sectional area of the aluminum alloy conductor is 25-35mm, the diameter of the tripod sleeve is 6.50mm, and the interval between the tripod sleeves sleeved on the aluminum alloy conductor is 500mm.
6. The liquid-cooled aluminum alloy high voltage transmission cable of claim 1 or 2, wherein when the cross-sectional area of the aluminum alloy conductor is 35-50mm, the diameter of the tripod sleeve is 8.00mm, and the interval between the tripod sleeves sleeved on the aluminum alloy conductor is 400mm.
7. The liquid-cooled aluminum alloy high voltage transmission cable of claim 1 or 2, wherein when the cross-sectional area of the aluminum alloy conductor is 50-70mm, the diameter of the tripod sleeve is 11.50mm, and the interval between the tripod sleeves sleeved on the aluminum alloy conductor is 200mm.
8. The liquid-cooled aluminum alloy high voltage transmission cable of claim 1 or 2, wherein when the cross-sectional area of the aluminum alloy conductor is 70-95mm, the diameter of the tripod sleeve is 13.40mm, and the interval between the tripod sleeves sleeved on the aluminum alloy conductor is 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223171309.6U CN219066438U (en) | 2022-11-29 | 2022-11-29 | Liquid-cooled aluminum alloy high-voltage transmission cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223171309.6U CN219066438U (en) | 2022-11-29 | 2022-11-29 | Liquid-cooled aluminum alloy high-voltage transmission cable |
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| Publication Number | Publication Date |
|---|---|
| CN219066438U true CN219066438U (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223171309.6U Active CN219066438U (en) | 2022-11-29 | 2022-11-29 | Liquid-cooled aluminum alloy high-voltage transmission cable |
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| CN (1) | CN219066438U (en) |
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- 2022-11-29 CN CN202223171309.6U patent/CN219066438U/en active Active
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