CN220796336U - Polyethylene insulation power cable - Google Patents
Polyethylene insulation power cable Download PDFInfo
- Publication number
- CN220796336U CN220796336U CN202322466136.9U CN202322466136U CN220796336U CN 220796336 U CN220796336 U CN 220796336U CN 202322466136 U CN202322466136 U CN 202322466136U CN 220796336 U CN220796336 U CN 220796336U
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- ring
- polyethylene
- cable
- power cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- -1 Polyethylene Polymers 0.000 title claims abstract description 38
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 38
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 38
- 238000009413 insulation Methods 0.000 title abstract description 5
- 230000017525 heat dissipation Effects 0.000 claims abstract description 91
- 239000010410 layer Substances 0.000 claims description 14
- 239000011241 protective layer Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010292 electrical insulation Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a polyethylene insulated power cable, which comprises a cable shell, wherein a heat dissipation assembly is arranged on the inner side of the cable shell, the cable shell comprises a shell, the heat dissipation assembly comprises a heat dissipation ring, the heat dissipation ring is fixedly arranged between two shells, a fixed ring is fixedly arranged in the shell, a fixed hole is fixedly arranged in the fixed ring, a cable core is fixedly arranged in the fixed hole, a heat dissipation rod is fixedly arranged in the fixed ring, and a heat dissipation folding sheet is fixedly arranged between the heat dissipation rod and the heat dissipation ring; this polyethylene insulation power cable, heat through the sinle silk at power transmission in-process production absorbs through the inboard radiating rod of sinle silk, and absorptive heat passes through the transmission of heat dissipation fin to the heat dissipation ring on, and the heat dissipation groove of seting up on the heat dissipation ring cooperation is outside with the heat take out to realized carrying out fast to the inside heat of cable.
Description
Technical Field
The utility model relates to the technical field of power cables, in particular to a polyethylene insulated power cable.
Background
The basic structure of the power cable consists of four parts, namely a wire core (conductor), an insulating layer, a shielding layer and a protective layer, and is commonly used for urban underground power grids, power station leading-out lines, power supply in industrial and mining enterprises and power transmission lines under sea water passing through the river.
The power cable can produce a large amount of heat in the power transmission process, prevents that the cable from catching fire because of the high temperature through setting up heat-resisting protective material in the cable outside among the prior art, and this kind of mode can lead to in the power transmission process, and the cable is in a higher temperature all the time, and the inside electric core ageing can be accelerated to higher temperature for a long time, reduces cable life-span.
To this end, the present utility model provides a polyethylene insulated power cable to solve the above-mentioned problems.
Disclosure of utility model
The utility model provides a polyethylene insulated power cable which solves the problems in the prior art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a polyethylene insulation power cable, includes the cable shell, the inboard of cable shell is provided with the radiator unit, the cable shell includes the shell, the radiator unit includes the heat dissipation ring, heat dissipation ring fixed mounting is between two shells, the inside fixed mounting of shell has the solid fixed ring, the inside fixed mounting of solid fixed ring has the fixed orifices, the inside fixed mounting of fixed orifices has the sinle silk, the inside fixed mounting of solid fixed ring has the radiating rod, fixed mounting has the heat dissipation fin between radiating rod and the heat dissipation ring.
Preferably: the heat dissipation rods are parallel to the wire cores, the heat dissipation rods are located on the inner sides of the wire cores, and the heat dissipation folded sheets penetrate through gaps between every two wire cores.
By adopting the technical scheme, the heat generated by the wire core is absorbed through the heat dissipation rod, and is transferred to the heat dissipation ring through the heat dissipation folded sheet.
Preferably: the outside of heat dissipation ring has seted up the heat dissipation groove, the heat dissipation ring is made for copper, heat dissipation fin and heat dissipation pole are made by heat dissipation silica gel.
By adopting the technical scheme, the heat dissipation groove is arranged, so that the contact area between the heat dissipation ring and air is increased, and the heat dissipation efficiency of the heat dissipation ring is improved.
Preferably: the wire core consists of an outer polyethylene shell and an electric wire core with an inner side formed by splicing copper wires.
By adopting the technical scheme, the internal wire cores can not interfere with each other.
Preferably: the shell is composed of an outer protective layer, an inner shielding layer and an intermediate compression-resistant layer, and the protective layer is composed of polyethylene.
By adopting the technical scheme, the polyethylene has the characteristics of wear resistance, electrical insulation and the like.
Preferably: the compression-resistant layer is composed of external polyethylene and metal wires embedded in the external polyethylene, and the metal wires are woven in a staggered manner in the polyethylene.
By adopting the technical scheme, the whole strength is improved by braiding the metal wires in the polyethylene.
Advantageous effects
The utility model provides a polyethylene insulated power cable. Compared with the prior art, the device has the following
The beneficial effects are that:
1. this polyethylene insulation power cable, heat through the sinle silk at power transmission in-process production absorbs through the inboard radiating rod of sinle silk, and absorptive heat passes through the transmission of heat dissipation fin to the heat dissipation ring on, and the heat dissipation groove of seting up on the heat dissipation ring cooperation is outside with the heat take out to realized carrying out fast to the inside heat of cable.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from them without inventive faculty for a person skilled in the art.
FIG. 1 is a perspective view of the external structure of the present utility model;
FIG. 2 is a perspective view of the internal structure of the present utility model;
FIG. 3 is a perspective view of the internal portion structure of the present utility model;
Fig. 4 is a schematic view of the internal structure of the housing of the present utility model.
In the figure: 1. a cable housing; 11. a housing; 111. a protective layer; 112. a compression-resistant layer; 113. a shielding layer; 12. a fixing ring; 13. a wire core; 14. a fixing hole; 2. a heat dissipation assembly; 21. a heat dissipation ring; 22. a heat sink; 23. a heat dissipation rod; 24. a heat dissipation flap.
Detailed Description
It should be noted that, in the description of the embodiments of the present application, the terms "front, rear", "left, right", "upper, lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
The application is further illustrated by the figures and examples.
Referring to fig. 1 to 4, an embodiment of the present application provides a polyethylene insulated power cable, which comprises a cable housing 1, wherein a heat dissipation component 2 is arranged on the inner side of the cable housing 1, the cable housing 1 comprises an outer housing 11, the heat dissipation component 2 comprises a heat dissipation ring 21, the heat dissipation ring 21 is fixedly installed between the two outer housings 11, a fixing ring 12 is fixedly installed inside the outer housing 11, a fixing hole 14 is fixedly installed inside the fixing ring 12, a wire core 13 is fixedly installed inside the fixing hole 14, a heat dissipation rod 23 is fixedly installed inside the fixing ring 12, and a heat dissipation folded sheet 24 is fixedly installed between the heat dissipation rod 23 and the heat dissipation ring 21.
The heat dissipation rod 23 and the wire cores 13 are parallel to each other, the heat dissipation rod 23 is located on the inner side of the wire cores 13, and the heat dissipation folded sheet 24 passes through a gap between every two wire cores 13. The outside of the heat dissipation ring 21 is provided with a heat dissipation groove 22, the heat dissipation ring 21 is made of copper, and the heat dissipation folded sheet 24 and the heat dissipation rod 23 are made of heat dissipation silica gel.
In this embodiment, the heat dissipation rod 23 and the heat dissipation folded sheet 24 are made of heat dissipation silica gel, so that when in use, the bending of the cable is not affected, the heat dissipation ring 21 with smaller width also cannot be affected, the heat generated in the power transmission process of the wire core 13 is absorbed by the heat dissipation rod 23 at the inner side of the wire core 13, the absorbed heat is transmitted to the heat dissipation ring 21 through the heat dissipation folded sheet 24, and the heat dissipation ring 21 is matched with the heat dissipation groove 22 arranged on the heat dissipation ring to bring the heat out of the outside, so that the rapid heat dissipation of the heat in the cable is realized; the heat dissipation rings 21 are uniformly arranged on the cable at intervals, so that the heat dissipation effect is higher.
Referring to fig. 1 to 4, in one aspect of the present embodiment, the wire core 13 is composed of an outer polyethylene shell and an inner wire core formed by copper wire being spliced.
The polyethylene has electrical insulation, and can effectively isolate the electric power between each electric wire core and prevent the electric power between the electric wire cores from being mutually communicated.
The housing 11 has an outer protective layer 111, an inner shielding layer 113 and an intermediate pressure-resistant layer 112, the protective layer 111 having a polyethylene composition.
The protective layer 111 made of polyethylene has abrasion resistance and electrical insulation, and can effectively improve the service life and the mountability in use as the protection of the outermost layer.
The compression layer 112 is composed of an outer polyethylene and an inner embedded wire, the wire being interwoven within the polyethylene.
The integral strength of the polyethylene is improved by embedding the wire mesh into the polyethylene, so that no matter the polyethylene is cut by a knife or is punctured by a sharp object, the polyethylene can be effectively protected, and the integral strength of the cable is improved.
Working principle: the heat generated in the power transmission process is absorbed through the heat dissipation rod 23 at the inner side of the wire core 13, the absorbed heat is transmitted to the heat dissipation ring 21 through the heat dissipation folded sheet 24, and the heat dissipation ring 21 is matched with the heat dissipation groove 22 formed in the heat dissipation ring to bring the heat out of the outside, so that the heat in the cable is rapidly dissipated.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present application 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 application, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Polyethylene insulated power cable, comprising a cable housing (1), characterized in that: the inside of cable housing (1) is provided with radiator module (2), cable housing (1) includes shell (11), radiator module (2) are including heat dissipation ring (21), heat dissipation ring (21) fixed mounting is between two shells (11), the inside fixed mounting of shell (11) has solid fixed ring (12), the inside fixed mounting of solid fixed ring (12) has fixed orifices (14), the inside fixed mounting of solid fixed orifices (14) has sinle silk (13), the inside fixed mounting of solid fixed ring (12) has heat dissipation pole (23), fixed mounting has heat dissipation fin (24) between heat dissipation pole (23) and the heat dissipation ring (21).
2. A polyethylene insulated power cable according to claim 1, wherein: the heat dissipation rods (23) are parallel to the wire cores (13), the heat dissipation rods (23) are located on the inner sides of the wire cores (13), and the heat dissipation folded sheets (24) penetrate through gaps between every two wire cores (13).
3. A polyethylene insulated power cable according to claim 1, wherein: the outside of heat dissipation ring (21) has seted up heat dissipation groove (22), heat dissipation ring (21) are made for copper, heat dissipation fin (24) and heat dissipation pole (23) are made by heat dissipation silica gel.
4. A polyethylene insulated power cable according to claim 1, wherein: the wire core (13) consists of an outer polyethylene shell and an electric wire core with an inner side formed by splicing copper wires.
5. A polyethylene insulated power cable according to claim 1, wherein: the housing (11) comprises an outer protective layer (111), an inner shielding layer (113) and an intermediate pressure-resistant layer (112), and the protective layer (111) comprises polyethylene.
6. A polyethylene insulated power cable according to claim 5, wherein: the compression layer (112) is composed of an outer polyethylene and an inner embedded wire, which is interlaced inside the polyethylene.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322466136.9U CN220796336U (en) | 2023-09-11 | 2023-09-11 | Polyethylene insulation power cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322466136.9U CN220796336U (en) | 2023-09-11 | 2023-09-11 | Polyethylene insulation power cable |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220796336U true CN220796336U (en) | 2024-04-16 |
Family
ID=90655559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322466136.9U Active CN220796336U (en) | 2023-09-11 | 2023-09-11 | Polyethylene insulation power cable |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220796336U (en) |
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2023
- 2023-09-11 CN CN202322466136.9U patent/CN220796336U/en active Active
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