CN215577879U - Mineral insulated power cable with strong bending resistance - Google Patents
Mineral insulated power cable with strong bending resistance Download PDFInfo
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- CN215577879U CN215577879U CN202120788979.9U CN202120788979U CN215577879U CN 215577879 U CN215577879 U CN 215577879U CN 202120788979 U CN202120788979 U CN 202120788979U CN 215577879 U CN215577879 U CN 215577879U
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Abstract
The utility model relates to the technical field of power cables, in particular to a mineral insulated power cable with strong bending resistance, which comprises a transmission and protection assembly, a compression-resistant and bending-resistant assembly and the transmission and protection assembly, wherein the transmission and protection assembly comprises a lead, insulating layers which are uniformly distributed on the outer wall of the lead, flame-retardant layers which are uniformly distributed on the outer wall of the insulating layers, acid-base resistant layers which are uniformly distributed on the outer wall of the flame-retardant layers and heat dissipation layers which are uniformly distributed on the outer wall of the acid-base resistant layers.
Description
Technical Field
The utility model relates to the technical field of power cables, in particular to a mineral insulated power cable with strong bending resistance.
Background
The power cable is used for transmitting and distributing electric energy, is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater, and has a gradually increasing proportion in the power line. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy, including various voltage classes, 1-500KV and above, and various insulated power cables.
However, the power cable used in the market at present has poor folding resistance, is easy to crack, and affects the use of the power cable, and the existing power cable insulating material has poor effect and is easy to age after long-term use.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.
The present invention has been made in view of the above and/or other problems with the conventional mineral insulated power cable having high bending resistance.
Accordingly, it is an object of the present invention to provide a mineral insulated power cable having high bending resistance, which can be optimized for the non-folding resistance and poor insulation of the existing power cable.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a mineral insulated power cable having high bend resistance, comprising:
the transmission and protection assembly comprises a wire, an insulating layer, a flame-retardant layer, an acid-base resistant layer and a heat dissipation layer, wherein the insulating layer is arranged on the outer wall of the wire and uniformly distributed;
anti crooked subassembly is in including resistant folded layer, setting resistant folded layer outer wall evenly distributed's wearing layer and setting the inoxidizing coating of wearing layer outer wall evenly distributed.
In a preferable embodiment of the mineral insulated power cable with high bending resistance according to the present invention, the conductor is made of a tin-plated copper wire.
In a preferable embodiment of the mineral insulated power cable with high bending resistance according to the present invention, the flame retardant layer is made of glass fiber.
In a preferable embodiment of the mineral insulated power cable with high bending resistance according to the present invention, the material of the acid and alkali resistant layer is polyphenylsulfide.
In a preferable embodiment of the mineral-insulated power cable with high bending resistance according to the present invention, the heat dissipation layer is made of graphite.
In a preferable embodiment of the mineral insulated power cable with high bending resistance according to the present invention, the material of the fold-resistant layer is polypropylene.
In a preferable embodiment of the mineral insulated power cable with high bending resistance according to the present invention, the wear-resistant layer is made of polyamide fiber.
As a preferable aspect of the mineral insulated power cable with high bending resistance according to the present invention, the protective layer is made of a fine wire steel mesh.
Compared with the prior art: the utility model has the beneficial effects that: this kind of mineral insulation power cable that resistance to bending nature is strong can make this cable can be in transportation and the coiling in-process limited prevent because of excessively bending the tearing that leads to, has influenced the use of cable through the anti crooked subassembly that sets up, can guarantee through the insulating layer that sets up that this cable prevents to lead to damaging because of electric power is alternately, has influenced power transmission quality and cable life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:
FIG. 1 is an overall cross-sectional view of a mineral insulated power cable with high bending resistance;
fig. 2 is a cross-sectional view of the bending-resistant assembly of fig. 1 of the mineral-insulated power cable with high bending resistance according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The utility model provides a mineral insulated power cable with strong bending resistance, which can prevent the cable from being torn due to excessive bending in the processes of transportation and coiling due to the arranged bending-resistant assembly, thereby influencing the use of the cable, and can prevent the cable from being damaged due to electric power crossing, thereby influencing the power transmission quality and the service life of the cable.
Referring to fig. 1-2, a schematic structural view of an embodiment of a mineral insulated power cable with high bending resistance according to the present invention is shown, and referring to fig. 1-2, a main body of the embodiment of the mineral insulated power cable with high bending resistance comprises a transmission and protection assembly 100 and a compression and bending resistant assembly 200.
The transmission and protection assembly 100 is used for transmitting power or signals and protecting wires, the transmission and protection assembly 100 comprises wires 110, insulating layers 120 evenly distributed on the outer walls of the wires 110, flame-retardant layers 130 evenly distributed on the outer walls of the insulating layers 120, acid and alkali resistant layers 140 evenly distributed on the outer walls of the flame-retardant layers 130 and heat dissipation layers 150 evenly distributed on the outer walls of the acid and alkali resistant layers 140, the wires 110 are used for transmitting power or signals, the insulating layers 120 are used for mutually insulating the wires 110 and preventing the wires 110 from reducing in action due to external factors, the flame-retardant layers 130 are used for preventing the cables from being subjected to fire and fire caused by overhigh temperature without increasing fire, the acid and alkali resistant layers 140 are used for resisting acid and alkali in nature after the cables are laid, and the heat dissipation layers 150 are used for dissipating heat of internal elements of the cables;
the bending-resistant assembly 200 is used for preventing damage caused by excessive twisting of the cable, the bending-resistant assembly 200 comprises a folding-resistant layer 210, a wear-resistant layer 220 uniformly distributed on the outer wall of the folding-resistant layer 210 and a protective layer 230 uniformly distributed on the outer wall of the wear-resistant layer 220, the folding-resistant layer 210 is used for increasing the folding resistance of the cable, the wear-resistant layer 220 is used for increasing the wear resistance of the cable while increasing the folding resistance, and the protective layer 230 is used for preventing wild animals from biting and damaging.
Further, the wire 110 is made of a tinned copper wire, the flame-retardant layer 130 is made of glass fiber, the heat dissipation layer 150 is made of graphite, the folding-resistant layer 210 is made of polypropylene, the wear-resistant layer 220 is made of polyamide fiber, and the protective layer 230 is made of a fine wire steel mesh.
With reference to fig. 1 to 2, the mineral-insulated power cable having high bending resistance according to the present embodiment: this kind of mineral insulation power cable that resistance to bending nature is strong can make this cable can be in transportation and the coiling in-process limited prevent because of excessively bending the tearing that leads to, has influenced the use of cable through the anti crooked subassembly that sets up, can guarantee through the insulating layer that sets up that this cable prevents to lead to damaging because of electric power is alternately, has influenced power transmission quality and cable life.
While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of the utility model may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. A mineral insulated power cable with high bending resistance, comprising:
the transmission and protection assembly (100) comprises a lead (110), an insulating layer (120) which is arranged on the outer wall of the lead (110) and uniformly distributed, a flame-retardant layer (130) which is arranged on the outer wall of the insulating layer (120) and uniformly distributed, an acid and alkali resistant layer (140) which is arranged on the outer wall of the flame-retardant layer (130) and uniformly distributed, and a heat dissipation layer (150) which is arranged on the outer wall of the acid and alkali resistant layer (140) and uniformly distributed;
anti crooked subassembly (200), including resistant layer (210), set up and be in resistant layer (210) outer wall evenly distributed's wearing layer (220) and set up and be in wearing layer (220) outer wall evenly distributed's inoxidizing coating (230).
2. The mineral-insulated power cable with high bending resistance as recited in claim 1, wherein the material of the conductor (110) is tin-plated copper wire.
3. The mineral-insulated power cable with high bending resistance as claimed in claim 1, wherein the flame-retardant layer (130) is made of glass fiber.
4. The mineral-insulated power cable with high bending resistance as claimed in claim 1, wherein the material of the acid and alkali resistant layer (140) is polyphenylsulfide.
5. The mineral-insulated power cable with high bending resistance as recited in claim 1, wherein the heat dissipation layer (150) is made of graphite.
6. The mineral-insulated power cable with high bending resistance as claimed in claim 1, wherein the material of the fold-resistant layer (210) is polypropylene.
7. The mineral-insulated power cable with high bending resistance as claimed in claim 1, wherein the wear layer (220) is made of polyamide fiber.
8. The mineral-insulated power cable with high bending resistance as claimed in claim 1, wherein the material of the shielding layer (230) is a fine wire steel mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120788979.9U CN215577879U (en) | 2021-04-19 | 2021-04-19 | Mineral insulated power cable with strong bending resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120788979.9U CN215577879U (en) | 2021-04-19 | 2021-04-19 | Mineral insulated power cable with strong bending resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215577879U true CN215577879U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120788979.9U Active CN215577879U (en) | 2021-04-19 | 2021-04-19 | Mineral insulated power cable with strong bending resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215577879U (en) |
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2021
- 2021-04-19 CN CN202120788979.9U patent/CN215577879U/en active Active
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