CN114188083B - Special high-voltage cable for large electromechanical equipment - Google Patents
Special high-voltage cable for large electromechanical equipment Download PDFInfo
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- CN114188083B CN114188083B CN202111435865.7A CN202111435865A CN114188083B CN 114188083 B CN114188083 B CN 114188083B CN 202111435865 A CN202111435865 A CN 202111435865A CN 114188083 B CN114188083 B CN 114188083B
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- pipe
- conductor
- cable
- cable body
- heat conducting
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- 239000004020 conductor Substances 0.000 claims abstract description 57
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000005489 elastic deformation Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 12
- 230000017525 heat dissipation Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000000994 depressogenic effect Effects 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
- H01B7/423—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using a cooling fluid
- H01B7/425—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using a cooling fluid the construction being bendable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
- H01B7/324—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising temperature sensing means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/428—Heat conduction
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention discloses a special high-voltage cable for large electromechanical equipment, which comprises a cable body, a conductor, a sheath, an insulating layer and a filling layer, wherein the cable body consists of the sheath and the conductor, the conductor comprises a copper wire core and the insulating layer wrapped on the outer side, the outer side of the conductor is provided with heat conducting strips distributed in a surrounding manner, the inner walls of the heat conducting strips are mutually attached to the outer walls of the insulating layer, the pipe wall of a flow pipe is provided with a protruding part and a recessed part, the recessed part is of an elastic structure, and the elastic deformation of the recessed part enables the flow pipe to bend along with the cable body and not to be folded. The special high-voltage cable for the large electromechanical equipment redesigns the fluid passing structure in the cable, on the basis of effectively ensuring the heat dissipation effect, the passing structure can be matched with the necessary bending of the cable body in the laying process in a corresponding bending but non-bending mode, and simultaneously, the heat generated by the conductor can be monitored in real time and dissipated in an auxiliary manner by utilizing the corresponding heat conduction mechanism.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a special high-voltage cable for large-scale electromechanical equipment.
Background
The high-voltage cable is in operation use, because the inside carries high-voltage current for a long time, therefore its inside temperature can keep in a higher state when the cable work, and when the cable load is high, the sinle silk temperature risees, and the cable is heated and expands, and long-term heavy-load operation cable peristaltic power is very big, leads to support facade to crush cable oversheath, metal sheath, squeezes into the cable insulating layer and leads to cable breakdown, consequently in prior art, can design corresponding cooling body in the cable, but current like high-voltage cable still has following problem when in actual use:
in the prior art, the mode of embedding the water cooling pipe in the cable, the circulation conveying of cold water is carried out by utilizing the existing equipment such as a water pump and the like, and the water-cooled radiating operation is carried out in the cable, but because the high-voltage cable is actually laid, a certain bending requirement exists, and the water cooling pipe arranged in the cable is higher in structural strength in order to ensure that the water cooling pipe cannot be leaked due to pressure damage, the cable is inconvenient to bend, and the serious safety problem of breakage and leakage easily occurs after bending.
Disclosure of Invention
The invention aims to provide a special high-voltage cable for large electromechanical equipment, which aims to solve the problems that in the prior art, a mode of embedding a water cooling pipe in the cable and using the existing equipment such as a water pump to circularly convey cold water are adopted to perform water-cooled heat dissipation operation on the inside of the cable, but the high-voltage cable is actually paved with a certain bending requirement, and the water cooling pipe arranged in the cable is high in structural strength in order to ensure that the cable cannot be leaked due to pressure damage, so that the cable is inconvenient to bend, and the breakage and liquid leakage easily occur after bending.
In order to achieve the above purpose, the present invention provides the following technical solutions: the special high-voltage cable for the large electromechanical equipment comprises a cable body, a conductor, a sheath, an insulating layer and a filling layer, wherein the cable body consists of the sheath and the conductor, the conductor comprises a copper wire core and the insulating layer wrapped on the outer side, the periphery of the conductor is provided with the filling layer, and the filling layer is positioned between the sheath and the conductor;
the cable comprises a cable body, wherein the outer side of the conductor is provided with heat conducting strips distributed in a surrounding manner, the inner walls of the heat conducting strips are mutually attached to the outer walls of the insulating layers, a flow pipe is arranged in the center of the cable body, the pipe wall of the flow pipe is provided with a protruding part and a recessed part, the recessed part is of an elastic structure, and the elastic deformation of the recessed part enables the flow pipe to be capable of bending along with the cable body and not to be folded;
at least 1 the depressed part is laminated mutually with the heat conduction strip, protruding portion and the outer wall of outer wall and the conductor laminate mutually, the runner pipe is used for circulating cooling medium to the cooling of conductor and heat conduction strip.
Further, the end department of runner pipe installs admission pipe and discharge pipe, just the end department of admission pipe and discharge pipe all passes the cable body and extends to the water pump port, the admission pipe is used for leading to water and discharging from discharge pipe department to the inside runner pipe, the runner pipe is cooled down the cable body through the mode of water-cooling.
Further, the outer wall of the flow pipe is provided with the branch pipe, the branch pipe is equally angularly distributed in the cable body, the branch pipe is mutually communicated with the flow pipe, and the branch pipe is used for discharging hot air after heat absorption in the flow pipe.
Further, the outer end of the branch pipe is communicated with the pipe head, the pipe head is installed in the outer skin, the outer end of the pipe head is provided with a sealing plate for dust prevention, the sealing plate is of an arc-shaped structure, the pipe head is exposed out of the outer wall, air holes distributed in an inclined mode are formed in the outer wall of the pipe head, and the air holes are used for exchanging outside air and hot air inside the branch pipe.
Furthermore, the heat conducting strip is of a hollow structure, at least 1 heat conducting strip is arranged on 1 conductor, and the top end of the heat conducting strip is connected with the temperature measuring device.
Further, the temperature measuring device comprises a shell, a partition plate, a dial and a pointer, wherein the pointer is fixedly arranged at the top end of a vertical shaft, the vertical shaft is vertically and rotatably arranged at the center of the partition plate, the dial is inlaid on the upper end face of the partition plate, and the partition plate is arranged in the shell.
Further, the bottom of vertical axle is inside and the spiral rod threaded connection, and the spiral rod is fixed on the top of montant, and the bottom mounting of montant is on the surface of layer board, the layer board passes through elastic component sliding connection in the inside of baffle, the lower terminal surface of layer board and the up end of elastic piece laminate mutually, and the space of elastic piece lower terminal surface is linked together with the top of heat conduction strip.
Compared with the prior art, the invention has the beneficial effects that: according to the special high-voltage cable for the large-scale electromechanical equipment, the fluid passing structure in the cable is redesigned, on the basis of effectively ensuring the heat dissipation effect, the passing structure can be matched with the necessary bending of the cable body in the laying process in a corresponding bending but non-bending mode, and meanwhile, the heat generated by a conductor can be monitored in real time and subjected to auxiliary heat dissipation by utilizing the corresponding heat conduction mechanism;
1. the structural design of the flow pipe enables the flow pipe to absorb heat generated in the process of electrifying the conductor in a mode of passing cooling liquid, so that rapid aging of the cable caused by overhigh temperature of the conductor is avoided, and the structural design of the convex part and the concave part in the flow pipe can utilize mutual deformation between the convex part and the concave part to match with necessary bending of the cable body, so that the phenomenon that the flow pipe cannot be synchronously bent with the cable to break leakage caused by direct use of rigid materials is avoided;
further, the structural design of the branch pipe enables the communicating pipe to be communicated with the branch pipe and the air hole when the communicating pipe is used as a ventilation structure, so that spontaneous exchange of inside hot air and outside relatively low-temperature air is realized, and meanwhile, normal-temperature/low-temperature air flow can be provided for the communicating pipe through air supply equipment such as an air pump or a fan, and the purpose of rapid air cooling and heat dissipation is realized.
2. The heat conduction strip is used, the purpose of absorbing heat can be achieved through the direct contact between the heat conduction strip and the surface of a conductor, the heat dissipation is carried out more comprehensively by matching with the use of a runner pipe, meanwhile, the heat conduction strip is designed to have a hollow structure, so that gas inside the heat conduction strip can be converted into clear readings on a temperature measuring device in a pressure increasing mode by utilizing the power transmission of structures such as a supporting plate and the like when the gas is heated, and the temperature change condition of the conductor inside the cable is intuitively converted, so that workers can conveniently and directly judge different temperature conditions of multiple conductors inside the cable.
Drawings
FIG. 1 is a schematic elevational view of the present invention;
FIG. 2 is a schematic side view of the flow tube of the present invention;
FIG. 3 is an enlarged schematic view of the cross-section of FIG. 1A according to the present invention;
FIG. 4 is a schematic illustration of the front cross-sectional structure of the housing of the present invention prior to deformation of the elastic sheet;
FIG. 5 is a schematic illustration of the front cross-sectional structure of the housing after deformation of the elastic sheet according to the present invention;
fig. 6 is an enlarged sectional view of fig. 5B according to the present invention.
In the figure: 1. a cable body; 2. a conductor; 3. a skin; 4. an insulating layer; 5. a filling layer; 6. a flow pipe; 7. a heat conducting strip; 8. a boss; 9. a recessed portion; 10. an inlet tube; 11. a discharge pipe; 12. a branch pipe; 13. a tube head; 14. a sealing plate; 15. air holes; 16. a housing; 17. a partition plate; 18. a dial; 19. a vertical axis; 20. a pointer; 21. a twist stem; 22. a vertical rod; 23. a supporting plate; 24. an elastic sheet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides the following technical solutions:
first embodiment:
the utility model provides a special high-voltage cable of large-scale electromechanical device, including cable body 1, conductor 2, crust 3, insulating layer 4 and filling layer 5, cable body 1 comprises crust 3 and conductor 2, include the copper core in the conductor 2 and wrap up insulating layer 4 in the outside, and the periphery of conductor 2 is provided with filling layer 5, and filling layer 5 is located between crust 3 and conductor 2, the outside of conductor 2 is provided with the heat conduction strip 7 that surrounds the distribution, and the inner wall of heat conduction strip 7 and the outer wall of insulating layer 4 laminating each other, the center department of cable body 1 is provided with runner pipe 6, the pipe wall of runner pipe 6 is provided with bellying 8 and depressed part 9, depressed part 9 is elastic structure, and the elastic deformation of depressed part 9 makes runner pipe 6 can follow cable body 1 crooked and invagination, at least 1 depressed part 9 and heat conduction strip 7 laminate mutually, the outer wall of bellying 8 and conductor 2 laminate mutually, the flow pipe 6 is used for cooling the conductor 2 and the heat conducting strip 7 by circulating cooling medium, an inlet pipe 10 and a discharge pipe 11 are arranged at the end of the flow pipe 6, the ends of the inlet pipe 10 and the discharge pipe 11 penetrate through the cable body 1 and extend to the water pump port, the inlet pipe 10 is used for introducing water into the flow pipe 6 and discharging the water from the discharge pipe 11, the flow pipe 6 cools the cable body 1 in a water cooling mode, as shown in figure 1, the heat conducting strip 7 is annularly distributed on the outer side of the conductor 2, the heat conducting strip 7 can be made of metal materials or other materials with good heat absorption performance, the tail end of the heat conducting strip is used for discharging heat generated in the process of electrifying the conductor 2, the whole heat dissipation performance of the cable body 1 is enhanced, external water supply equipment such as a water pump is used for conveying cold water into the flow pipe 6 through the inlet pipe 10, after the inside the flow pipe 6 sufficiently flows, the heat conduction strip 7 is mutually attached to the runner pipe 6 through the concave part 9 as shown in fig. 2 by the backflow of the discharge pipe 11 to the corresponding water storage equipment, so that a considerable part of heat in the heat conduction strip 7 is absorbed by the runner pipe 6, and the convex part 8 in the runner pipe 6 is tightly attached to the conductor 2, so that the heat in the conductor 2 is absorbed and discharged by cold water in the runner pipe 6, thereby realizing the purpose of water cooling and heat dissipation.
The heat conducting strip 7 is of a hollow structure, 1 heat conducting strip 7 is arranged on 1 conductor 2, the top end of the heat conducting strip 7 is connected with a temperature measuring device, the temperature measuring device comprises a shell 16, a baffle 17, a dial 18 and a pointer 20, the pointer 20 is fixedly arranged at the top end of a vertical shaft 19, the vertical shaft 19 is vertically penetrated and rotatably arranged at the center of the baffle 17, the dial 18 is inlaid at the upper end face of the baffle 17, the baffle 17 is arranged inside the shell 16, the bottom end of the vertical shaft 19 is in threaded connection with a twist rod 21, the twist rod 21 is fixed at the top end of a vertical rod 22, the bottom end of the vertical rod 22 is fixed on the surface of a supporting plate 23, the supporting plate 23 is in sliding connection with the inside of the baffle 17 through an elastic piece, the lower end face of the supporting plate 23 is attached to the upper end face of an elastic piece 24, and the space of the lower end face of the elastic piece 24 is communicated with the top end of the heat conducting strip 7, because the heat conducting strip 7 is hollow structure, consequently, as shown in fig. 5, a large amount of heat that produces when conductor 2 circular telegram was used, can play the heating effect to the gas in the heat conducting strip 7, this moment pressure is heated and is strengthened, the elastic sheet 24 that its top set up as shown in fig. 5 and 6 just can be corresponding upward expansion deformation, and push the layer board 23 upwards to remove, the montant 22 drives the fixed cotton stalk 21 of its top and moves upwards simultaneously this moment, under the screw drive effect between cotton stalk 21 and vertical axis 19, vertical axis 19 synchronous rotation, and drive pointer 20 likewise rotates, consequently the pointer 20 points to the different positions on calibrated scale 18, thereby detect respectively the temperature of a plurality of conductors 2 that set up inside cable body 1, thereby the convenience staff judges in real time, and when the cable temperature is too high, judge the conductor 2 that the location temperature is unusual fast.
Second embodiment:
the utility model provides a special high tension cable of large-scale electromechanical device, including cable body 1, conductor 2, crust 3, insulating layer 4 and filling layer 5, cable body 1 comprises crust 3 and conductor 2, include the copper core in the conductor 2 and wrap up insulating layer 4 in the outside, and the periphery of conductor 2 is provided with filling layer 5, and filling layer 5 is located between crust 3 and conductor 2, the outside of conductor 2 is provided with the heat conduction strip 7 that encircles the distribution, and the inner wall of heat conduction strip 7 and the outer wall of insulating layer 4 laminate each other, the center department of cable body 1 is provided with runner pipe 6, the pipe wall of runner pipe 6 is provided with bellying 8 and depressed part 9, depressed part 9 is elastic structure, and the elastic deformation of depressed part 9 makes runner pipe 6 can follow cable body 1 crooked and invagination, at least 1 depressed part 9 and heat conduction strip 7 laminate mutually, the outer wall of bellying 8 and conductor 2 laminate mutually, runner pipe 6 is used for circulating cooling medium to conductor 2 and heat conduction strip 7 cooling.
The outer wall of the flow pipe 6 is provided with the branch pipe 12, and the branch pipe 12 is equiangularly distributed in the interior of the cable body 1, and the branch pipe 12 and the flow pipe 6 are mutually communicated, the branch pipe 12 is used for discharging hot air after heat absorption in the flow pipe 6, the outer end of the branch pipe 12 is communicated with the pipe head 13, the pipe head 13 is arranged in the outer skin 3, the outer end of the pipe head 13 is provided with the sealing plate 14 used for dust prevention, the sealing plate 14 is of an arc-shaped structure, the outer wall of the pipe head 13 exposed to the outside is provided with the air holes 15 which are obliquely distributed, the air holes 15 are used for exchanging outside air and hot air in the branch pipe 12, unlike the first embodiment, the flow pipe 6 in the embodiment is used for circulating air instead of liquid, compared with circulating liquid, the flow pipe 6 in the embodiment has no leakage risk, and the cooling effect is equivalent, when the conductor 2 and the heat conduction strip 7 are in a high temperature state, the gas in the flow pipe 6 is heated and expands, the hot air enters the inside the pipe head 13 shown in the figure 3 through the pipe head 12, and is discharged after passing through the air holes 15, and the cold air can enter the air pump 6 through the existing air holes or the existing air pump structure, thereby realizing the purpose of cooling and the purpose of the cooling.
The heat conduction strip 7 is the inside hollow structure, be provided with 1 heat conduction strip 7 on 1 conductor 2 at least, and the top and the temperature measuring device of heat conduction strip 7 link to each other, temperature measuring device includes shell 16, baffle 17, calibrated scale 18 and pointer 20, pointer 20 fixed mounting is at the top of vertical axis 19, and vertical axis 19 link up perpendicularly and rotate the center department of installing at baffle 17, calibrated scale 18 inlays the up end at baffle 17, the inside at shell 16 is installed to baffle 17, the inside and the twist pole 21 threaded connection of bottom of vertical axis 19, and the twist pole 21 is fixed on the top of montant 22, and the bottom mounting of montant 22 is at the surface of layer board 23, layer board 23 passes through elastic component sliding connection in the inside of baffle 17, the lower terminal surface of layer board 23 is laminated with the up end of elastic piece 24 mutually, and the space of elastic piece 24 lower terminal surface is linked together with the top of heat conduction strip 7.
Working principle: when the cable body 1 is electrified and used, the conductor 2 which plays a role in current transmission in the cable body correspondingly heats, and heat is absorbed and discharged through the runner pipe 6, so that the whole cable body 1 is prevented from being excessively high in temperature, and the cable is prevented from being damaged due to high temperature.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a special high tension cable of large-scale electromechanical device, includes cable body (1), conductor (2), crust (3), insulating layer (4) and filling layer (5), its characterized in that: the cable body (1) is composed of a sheath (3) and a conductor (2), wherein the conductor (2) comprises a copper wire core and an insulating layer (4) wrapped outside, a filling layer (5) is arranged on the periphery of the conductor (2), and the filling layer (5) is positioned between the sheath (3) and the conductor (2);
the cable is characterized in that heat conducting strips (7) distributed in a surrounding mode are arranged on the outer side of the conductor (2), the inner walls of the heat conducting strips (7) are mutually attached to the outer walls of the insulating layers (4), a flow pipe (6) is arranged at the center of the cable body (1), a protruding portion (8) and a recessed portion (9) are arranged on the pipe wall of the flow pipe (6), the recessed portion (9) is of an elastic structure, and the elastic deformation of the recessed portion (9) enables the flow pipe (6) to bend along with the cable body (1) and not to be folded;
at least 1 concave part (9) is laminated mutually with heat conduction strip (7), the outer wall of bellying (8) and outer wall of conductor (2) is laminated mutually, runner pipe (6) are used for circulating cooling medium to cooling conductor (2) and heat conduction strip (7).
2. The high voltage cable dedicated for large-scale electromechanical devices according to claim 1, wherein: the end department of runner pipe (6) installs admission pipe (10) and discharge pipe (11), just the end department of admission pipe (10) and discharge pipe (11) all passes cable body (1) and extends to the water pump port, admission pipe (10) are used for leading to water and discharging from discharge pipe (11) to runner pipe (6) inside, runner pipe (6) are cooled down cable body (1) through the mode of water-cooling.
3. The high voltage cable dedicated for large-scale electromechanical devices according to claim 1, wherein: the outer wall of the flow pipe (6) is provided with the branch pipe (12), the branch pipe (12) is distributed inside the cable body (1) at equal angles, the branch pipe (12) and the flow pipe (6) are mutually communicated, and the branch pipe (12) is used for discharging hot air after absorbing heat in the flow pipe (6).
4. A high voltage cable dedicated for large-scale electromechanical devices according to claim 3, wherein: the outer end of the branch pipe (12) is communicated with the pipe head (13), the pipe head (13) is arranged in the outer skin (3), a sealing plate (14) used for dust prevention is arranged at the outer end of the pipe head (13), the sealing plate (14) is of an arc-shaped structure, air holes (15) distributed in an inclined mode are formed in the outer wall of the exposed pipe head (13), and the air holes (15) are used for exchanging outside air and hot air in the branch pipe (12).
5. A high voltage cable dedicated for large-scale electromechanical devices according to claim 2 or 3, characterized in that: the heat conducting strip (7) is of a hollow structure, at least 1 heat conducting strip (7) is arranged on the 1 conductor (2), and the top end of the heat conducting strip (7) is connected with the temperature measuring device.
6. The high voltage cable dedicated for large-scale electromechanical devices according to claim 5, wherein: the temperature measuring device comprises a shell (16), a partition plate (17), a dial (18) and a pointer (20), wherein the pointer (20) is fixedly arranged at the top end of a vertical shaft (19), the vertical shaft (19) is vertically communicated and rotatably arranged at the center of the partition plate (17), the dial (18) is inlaid on the upper end face of the partition plate (17), and the partition plate (17) is arranged in the shell (16).
7. The high voltage cable dedicated for large-scale electromechanical devices according to claim 6, wherein: the inside and spiral rod (21) threaded connection of bottom of vertical axis (19), and spiral rod (21) are fixed on the top of montant (22), and the bottom mounting of montant (22) is on the surface of layer board (23), layer board (23) are through elastic component sliding connection in the inside of baffle (17), the lower terminal surface of layer board (23) is laminated with the up end of elastic piece (24), and the space of elastic piece (24) lower terminal surface is linked together with the top of heat conduction strip (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111435865.7A CN114188083B (en) | 2021-11-30 | 2021-11-30 | Special high-voltage cable for large electromechanical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111435865.7A CN114188083B (en) | 2021-11-30 | 2021-11-30 | Special high-voltage cable for large electromechanical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114188083A CN114188083A (en) | 2022-03-15 |
| CN114188083B true CN114188083B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111435865.7A Active CN114188083B (en) | 2021-11-30 | 2021-11-30 | Special high-voltage cable for large electromechanical equipment |
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| CN (1) | CN114188083B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114898920B (en) * | 2022-04-28 | 2023-12-26 | 无锡市新阳光电缆有限公司 | Special cable special for tunnel |
| CN118335406A (en) * | 2022-10-28 | 2024-07-12 | 烟台凯勇电子科技有限公司 | Power transmission and transformation cable with positioning structure |
| CN116469608B (en) * | 2023-06-20 | 2023-08-22 | 万衡线缆有限公司 | Bending-resistant branch single-core low-voltage cable |
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| CN208689992U (en) * | 2018-08-08 | 2019-04-02 | 天津市尚德电缆科技有限公司 | A kind of cable of energy rapid cooling |
| CN209674970U (en) * | 2019-06-06 | 2019-11-22 | 绵阳市长信电线电缆有限公司 | A kind of water-cooled cable |
| CN210984367U (en) * | 2019-12-28 | 2020-07-10 | 燕通电缆有限公司 | Water-cooling high-voltage cable for new energy electric automobile |
| CN213123915U (en) * | 2020-07-10 | 2021-05-04 | 昆山信昌电线电缆有限公司 | A quick heat dissipation formula cable for nuclear medical equipment |
| CN111952005A (en) * | 2020-08-03 | 2020-11-17 | 鲍伟飞 | Power cable capable of quickly dissipating heat for high-power equipment |
| CN112863754A (en) * | 2021-03-01 | 2021-05-28 | 远东电缆有限公司 | Liquid-cooled high-power charging cable for new energy automobile and preparation method |
| CN113205909A (en) * | 2021-05-07 | 2021-08-03 | 安徽金环电气设备有限责任公司 | Buried composite cable with good protection effect |
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