CN213042682U - Insulated high-voltage power cable - Google Patents
Insulated high-voltage power cable Download PDFInfo
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- CN213042682U CN213042682U CN202021194572.5U CN202021194572U CN213042682U CN 213042682 U CN213042682 U CN 213042682U CN 202021194572 U CN202021194572 U CN 202021194572U CN 213042682 U CN213042682 U CN 213042682U
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Abstract
The utility model relates to a high voltage power cable technical field especially relates to an insulating high voltage power cable. The utility model adopts the buffer layer of the high-voltage power cable made of the cross-linked polyethylene material, thereby greatly increasing the overall insulation performance of the high-voltage power cable and simultaneously improving the heat resistance and corrosion resistance of the overall cable; through being equipped with the blotter between buffer layer and metal armor for external pressure of absorption that outer buffer chamber, well buffer chamber, interior buffer chamber can be better, thereby the inside cable conductor of protection high voltage power cable has prolonged high voltage power cable's life, has improved high voltage power cable's practicality.
Description
Technical Field
The utility model relates to a high voltage power cable technical field especially relates to an insulating high voltage power cable.
Background
The wire and cable industry is the second industry in China next to the automobile industry, and both the product variety satisfaction rate and the domestic market share rate exceed 90%. The total output value of the electric wire and the electric cable in China exceeds the United states worldwide, and the electric wire and the electric cable become the first country for producing the electric wire and the electric cable in the world. Along with the high-speed development of the China wire and cable industry, the number of newly added enterprises is continuously increased, and the overall technical level of the industry is greatly improved. The power cable is used for transmitting and distributing electric energy, and 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. In the power lines, the cable is increasing in specific gravity. Power cables are used in the trunk lines of power systems for transmission and distribution.
However, the existing high-voltage power cable has poor insulation effect, so that the body of a user is subjected to electric shock when the user winds or installs the cable, and the body of the user is injured; in addition, the high-voltage power cable has poor buffering performance, so that the cable conductor cannot be well protected, and the service life of the high-voltage power cable is shortened. An insulated high voltage power cable has been devised to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the technical deficiency exists, the utility model provides an insulated high-voltage power cable, the utility model adopts the crosslinked polyethylene material for the buffer layer of the high-voltage power cable, greatly increases the overall insulation performance of the high-voltage power cable, and simultaneously improves the heat resistance and corrosion resistance of the overall cable; through being equipped with the blotter between buffer layer and metal armor for external pressure of absorption that outer buffer chamber, well buffer chamber, interior buffer chamber can be better, thereby the inside cable conductor of protection high voltage power cable has prolonged high voltage power cable's life, has improved high voltage power cable's practicality.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: an insulated high-voltage power cable is characterized by comprising a triangular metal support, wherein a power cable conductor is placed inside the triangular metal support, the outer layer of the triangular metal support is connected with an oxidation resistant layer, the periphery of the outer side of the oxidation resistant layer is wrapped with an insulating layer made of cross-linked polyethylene, the outer side of the insulating layer is provided with a metal armor layer, the periphery of the metal armor layer is provided with a buffer cushion with arc-shaped bulges, the outer layer of the buffer cushion is connected with a buffer layer, and the buffer layer is positioned on the outermost layer of the power cable and is connected with an outer protective sleeve layer;
the buffer cushion with be equipped with a plurality of interior buffer chamber between the metal armor, be equipped with a plurality of well buffer chamber between the buffer cushion, the buffer cushion with be equipped with a plurality of outer buffer chamber between the buffer layer.
Further optimize this technical scheme, the outer parcel of power cable conductor has the metallic conductor shielding layer.
Further optimize this technical scheme, it has fan-shaped packing to fill between power cable conductor and the triangle-shaped metal support.
Further optimize this technical scheme, the material of oxidation resisting layer is aluminium metal.
Further optimize this technical scheme, the material of outer protective sheath layer is polyvinyl chloride.
Compared with the prior art, the utility model has the advantages of it is following: 1. the utility model adopts the cross-linked polyethylene material as the buffer layer of the high-voltage power cable, and the structure effectively ensures the insulation performance, the heat resistance and the corrosion resistance of the high-voltage power cable; 2. the utility model discloses a be equipped with the structural design of blotter between buffer layer and metal armor, the safety of high voltage power cable inner cable conductor has been guaranteed to this structure is favorable to prolonged high voltage power cable's life, improved high voltage power cable's practicality.
Drawings
Fig. 1 is a schematic view of the overall structure of an insulated high-voltage power cable.
In the figure: 1. a triangular metal bracket; 2. a power cable conductor; 3. an anti-oxidation layer; 4. an insulating layer; 5. A metal armor layer; 6. a cushion pad; 7. a buffer layer; 8. an outer protective sheath layer; 9. an inner buffer chamber; 10. a middle buffer chamber; 11. an outer buffer chamber; 12. a metallic conductor shield layer; 13. and (4) sector filling strips.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The specific implementation mode is as follows: fig. 1 is a schematic diagram of an overall structure of an insulated high-voltage power cable:
the utility model provides an insulating high-voltage power cable, which is characterized in that the cable comprises a triangular metal support 1, a power cable conductor 2 is placed in the triangular metal support 1, the outer layer of the triangular metal support 1 is connected with an oxidation resistant layer 3, an insulating layer 4 made of crosslinked polyethylene is wrapped around the outer side of the oxidation resistant layer 3, a metal armor layer 5 is arranged on the outer side of the insulating layer 4, a buffer cushion 6 with arc-shaped bulges is arranged on the outer side of the metal armor layer 5, the buffer cushion 6 is externally connected with a buffer layer 7, and an outer protective sheath layer 8 is positioned on the outermost layer of the power cable and connected with the buffer layer 7;
a plurality of inner buffer chambers 9 are arranged between the buffer pads 6 and the metal armor layers 5, a plurality of middle buffer chambers 10 are arranged between the buffer pads 6, and a plurality of outer buffer chambers 11 are arranged between the buffer pads 6 and the buffer layers 7.
Further optimizing the technical scheme, the outer layer of the power cable conductor 2 is wrapped by a metal conductor shielding layer 12.
Further optimize this technical scheme, it has fan-shaped filler strip 13 to fill between power cable conductor 2 and triangle-shaped metal support 1.
Further optimize this technical scheme, the material of oxidation resisting layer 3 is aluminium metal.
Further optimize this technical scheme, the material of outer protective sheath layer 8 is polyvinyl chloride.
In the above embodiment, 1, the utility model discloses a crosslinked polyethylene material is as buffer layer 7 of high voltage power cable, and this structure has forcefully guaranteed high voltage power cable's insulating properties, heat resistance and corrosion resistance; 2. the utility model discloses a be equipped with the structural design of blotter 6 between buffer layer 7 and metal armor 5, the favorable safety of having guaranteed the inside cable conductor of high voltage power cable of this structure to prolonged high voltage power cable's life, improved high voltage power cable's practicality.
In order to facilitate understanding of the insulated high-voltage power cable provided by the embodiments of the present invention, the following detailed description is made in conjunction with specific embodiments.
An insulated high-voltage power cable comprises a triangular metal support 1, wherein a plurality of power cable conductors 2 are arranged inside the triangular metal support 1, fan-shaped filling strips 13 are filled between the power cable conductors 2 and the triangular metal support 1, a metal conductor shielding layer 12 wraps the outer layers of the power cable conductors 2, an anti-oxidation layer 3 is connected to the outer layer of the triangular metal support 1, and the anti-oxidation layer 3 is made of aluminum metal; the outer layer of the oxidation resistant layer 3 is provided with an insulating layer 4 made of cross-linked polyethylene, the outer side of the insulating layer 4 is provided with a metal armor layer 5, the outer side of the periphery of the metal armor layer 5 is provided with two cushions 6 which are distributed in a crossed manner, the cross section of each cushion 6 is rectangular, the outer layer of each cushion 6 is connected with a buffer layer 7, the outer layer of each buffer layer 7 is an outer protective sleeve layer 8, and each outer protective sleeve layer 8 is made of polyvinyl chloride; a plurality of inner buffer chambers 9 are formed between the buffer pads 6 and the metal armor layer 5, a plurality of middle buffer chambers 10 are formed between the two buffer pads 6, and a plurality of outer buffer chambers 11 are formed between the buffer pads 6 and the buffer 7;
particularly, the sector filling strips 13 are filled between the triangular metal bracket 1 and the power cable conductor 2, so that the mechanical strength of the high-voltage power cable is enhanced, and the stable structure and the round appearance of the high-voltage power cable during cabling can be fully ensured; the oxidation resistant layer 3 is made of aluminum metal, a layer of aluminum oxide can be formed by aluminum alloy, the oxidation inside the high-voltage power cable is avoided, and the aluminum alloy is light in weight, low in cost and high in performance-price ratio; the insulating layer 4 made of the cross-linked polyethylene material ensures that the weight of the whole high-voltage power cable is not very large, and the insulating property, the fire resistance and the corrosion resistance of the material are excellent; the metal armor layer 5 can ensure that the power cable conductor 2 is not damaged by strong external pressure;
through being equipped with two crossing distribution's blotter 6 between buffer layer 7 and metal armor 5, make the interior buffer chamber 9 that forms, well buffer chamber 10 and outer buffer chamber 11 can be fine absorb external pressure to high voltage power cable, specifically do, when outer lag layer receives external pressure, buffer layer 7 can absorb a part pressure, outer buffer chamber 11 afterwards, well buffer chamber 10 and interior buffer chamber 9 compression energy-absorbing, thereby guaranteed that external pressure can not direct action on metal armor 5, avoid taking place rigid contact and cause the harm to the inside power cable conductor 2 of high voltage power cable.
The utility model adopts the cross-linked polyethylene material as the buffer layer 7 of the high-voltage power cable, and the structure effectively ensures the insulation performance, the heat resistance and the corrosion resistance of the high-voltage power cable;
the utility model discloses a be equipped with the structural design of blotter 6 between buffer layer 7 and metal armor 5, the inside power cable conductor 2's of high voltage power cable safety has been guaranteed to this structure is favorable to prolonged high voltage power cable's life, improved high voltage power cable's practicality.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (5)
1. An insulated high-voltage power cable is characterized by comprising a triangular metal support (1), a power cable conductor (2) is placed inside the triangular metal support (1), an oxidation resistant layer (3) is connected to the outer layer of the triangular metal support (1), an insulating layer (4) made of cross-linked polyethylene is wrapped around the outer side of the oxidation resistant layer (3), a metal armor layer (5) is arranged on the outer side of the insulating layer (4), a buffer pad (6) with arc-shaped protrusions is arranged on the outer side of the periphery of the metal armor layer (5), a buffer layer (7) is connected to the outer layer of the buffer pad (6), and an outer protective sheath layer (8) is positioned on the outermost layer of the power cable and connected with the buffer layer (7);
buffer pad (6) with be equipped with a plurality of interior buffer chamber (9) between metal armor (5), be equipped with buffer chamber (10) in a plurality of between buffer pad (6), buffer pad (6) with be equipped with a plurality of outer buffer chamber (11) between buffer layer (7).
2. An insulated high voltage power cable according to claim 1, characterized in that: the outer layer of the power cable conductor (2) is wrapped with a metal conductor shielding layer (12).
3. An insulated high voltage power cable according to claim 1, characterized in that: and a sector-shaped filling strip (13) is filled between the power cable conductor (2) and the triangular metal bracket (1).
4. An insulated high voltage power cable according to claim 1, characterized in that: the oxidation resistant layer (3) is made of aluminum metal.
5. An insulated high voltage power cable according to claim 1, characterized in that: the outer protective sleeve layer (8) is made of polyvinyl chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021194572.5U CN213042682U (en) | 2020-06-24 | 2020-06-24 | Insulated high-voltage power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021194572.5U CN213042682U (en) | 2020-06-24 | 2020-06-24 | Insulated high-voltage power cable |
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| Publication Number | Publication Date |
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| CN213042682U true CN213042682U (en) | 2021-04-23 |
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| CN202021194572.5U Active CN213042682U (en) | 2020-06-24 | 2020-06-24 | Insulated high-voltage power cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114388180A (en) * | 2022-01-14 | 2022-04-22 | 夏雨辰 | Power cable with long service life |
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2020
- 2020-06-24 CN CN202021194572.5U patent/CN213042682U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114388180A (en) * | 2022-01-14 | 2022-04-22 | 夏雨辰 | Power cable with long service life |
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