CN204991259U - High heat conduction polyvinyl chloride jacketed cable that contains graphite alkene - Google Patents
High heat conduction polyvinyl chloride jacketed cable that contains graphite alkene Download PDFInfo
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- CN204991259U CN204991259U CN201520438408.7U CN201520438408U CN204991259U CN 204991259 U CN204991259 U CN 204991259U CN 201520438408 U CN201520438408 U CN 201520438408U CN 204991259 U CN204991259 U CN 204991259U
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Abstract
The utility model discloses a high heat conduction polyvinyl chloride jacketed cable that contains graphite alkene, the technical problem that solve be reduce the loss, the radiating effect is good and with low costs. For settling the problem, the utility model discloses a following technical scheme realizes: an including the high heat conduction polyvinyl chloride jacketed cable of graphite alkene, includes the cable body, the cable body includes the sinle silk more than one and locates the outer restrictive coating of being made by graphite alkene - polyvinyl chloride nanocomposite of sinle silk through the mode of crowded package, the sinle silk includes one or copper / the aluminium thread conductor that is stranded by the stranded, the cross section of conductor is circular or fan -shaped. Compared with the prior art, putting the restrictive coating and adopt graphite alkene - polyvinyl chloride nanocomposite to make at the sinle silk peripheral hardware, not only obviously improving the heat conductivity of restrictive coating, reach more than the 0.3Wmk, it is better to dispel the heat in addition, can reduce by the transmission electric energy of loss or improve the cable current -carrying capacity and with low costs, and the profit rate is high.
Description
Technical field
The utility model relates to a kind of cable, particularly a kind of high heat conduction pvc sheath cable containing Graphene.
Background technology
Power cable has resistance because of its conductor material, when cable transmission electric current, the resistance of conductor can produce heat, the heat that the larger conductor of electric current produces is more, conductor temperature also can raise, the D.C. resistance of Temperature rise Conductor also can increase, and the heat that D.C. resistance increases generation can be more, and in delivery of electrical energy process, conductor temperature raises the loss caused and accounts for about 15% of electric energy transmitting.Reduce the loss that conductor temperature can reduce electric energy, therefore reduce cable conductor temperature significant.The key factor affecting conductor temperature be form the construction of cable conductor around the thermal resistance of material, insulating barrier and restrictive coating is provided with outside conductor, and insulating barrier and jacket layer material are high-heat materials, these material thermal conductivities are very low, general at 0.1 ~ 0.3W/mk, as common crosslinked polyetylene insulated layer and pvc sheath layer power cable, the conductive coefficient of crosslinked polyethylene is 0.2W/mk, the conductive coefficient of polyvinyl chloride is 0.14W/mk, cable works in atmosphere, air themperature is 20 DEG C, when conductor temperature reaches 90 DEG C, cable surface temperature only has 40 DEG C, 50 DEG C can be reached to cable surface temperature gradient from conductor, dispel the heat very bad, electric energy transmitting is caused to be depleted.
Summary of the invention
The purpose of this utility model is to provide a kind of high heat conduction pvc sheath cable containing Graphene, the technical problem that solve be reduce the wastage, good heat dissipation effect and cost low.
For solving the problem, the utility model realizes by the following technical solutions: a kind of high heat conduction pvc sheath cable containing Graphene, comprise cable body, described cable body comprises the core of more than and is located at the outer and restrictive coating be made up of Graphene-the development of PVC nanocomposites of core by the mode extruded, described core comprises one or by the thread conductor of copper/aluminium of strands, the cross section of described conductor is circular or fan-shaped.
Core described in the utility model also comprises the insulating barrier be located at outside conductor.
Insulating barrier described in the utility model is made up of crosslinked polyethylene or pvc material.
Core described in the utility model also comprises the conductor shield, insulating barrier, insulation screen, the copper strip shielding layer that are coated on successively with one heart respectively outside conductor.
Conductor shield described in the utility model and insulation screen all adopt cable semi-conductive shielding material to make, and insulating barrier adopts cross-linking polyethylene materials to make.
The cross section of conductor described in the utility model is the fan-shaped of quarter circular arc, and described core is provided with four, after four mutual splits of core, forms circular, outside four cores and between restrictive coating, is provided with the twining package tape be wrapped on core.
Twining package tape described in the utility model is made up of nonwoven cloth material.
The cross section of conductor described in the utility model is circular, and described core is provided with three, outside three cores and between restrictive coating, be provided with the twining package tape be wrapped on core.
Flame retardant filler is provided with in gap between twining package tape described in the utility model and core and between three cores.
Twining package tape described in the utility model is made up of nonwoven cloth material.
The utility model compared with prior art, put restrictive coating at core peripheral hardware and adopt Graphene-the development of PVC nanocomposites to make, not only significantly improve the thermal conductivity of restrictive coating, reach more than 0.3W/mk, and heat radiation better, can reduce the electric energy transmitting that is depleted or improve current-carrying capacity of cable and cost is low, profit margin is high.
Accompanying drawing explanation
Fig. 1 is the cable body structural representation of the utility model embodiment 1 sub-thread core.
Fig. 2 is the structural representation of the cable body of the utility model embodiment 1 four strand core.
Fig. 3 is the structural representation of the cable body of the utility model embodiment 2 sub-thread core.
Fig. 4 is the structural representation of the cable body of the utility model embodiment 2 compenzine core.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
The high heat conduction pvc sheath cable of graphene-containing of the present utility model, comprise cable body 11, described cable body 11 comprises the core 12 of more than, is extruded with the restrictive coating 3 be made up of Graphene-the development of PVC nanocomposites outside core 12.
As shown in Figure 1, in embodiment 1, core 12 is by one or by strand copper wire or the stranded conductor of aluminum steel 1 with extrude coated (extruding) conductor 1 is outer and be made up of insulating barrier 2, and insulating barrier 2 adopts crosslinked polyethylene (XLPE) or pvc material to make.The cross section of described conductor 1 is circular.
As shown in Figure 2, core 12 is provided with four and the cross section of conductor 1 is the fan-shaped of quarter circular arc, core 12 is provided with four, after four mutual splits of core 12, the cross section of four cores 12 forms circle jointly, outside four cores 12 and between restrictive coating 3, be provided with the twining package tape 4 be made up of nonwoven cloth material be wrapped on core 12, four cores 12 can tie together by twining package tape 4.
The electric pressure of the cable body 1 that embodiment 1 is made is 0.6/1KV.
As shown in Figure 3, in embodiment 2 core 12 by one or more strands of copper cash or the stranded conductor 1 of aluminum steel and be coated on conductor shield 6 outside conductor 1 respectively with one heart successively, insulating barrier 7, insulation screen 8, copper strip shielding layer 9 form, restrictive coating 3 is located at outside copper strip shielding layer 9, described conductor shield 6 and insulation screen 8 all adopt cable semi-conductive shielding material to make, and insulating barrier 7 adopts cross-linking polyethylene materials to make.
As shown in Figure 4, core 12 is provided with three, and the cross section of described conductor 1 is circular, outside three cores 12 and between restrictive coating 3, be provided with the twining package tape 4 be made up of nonwoven cloth material be wrapped on core 12; Be provided with flame retardant filler 10 in gap between twining package tape 4 and core 12 and between three cores 12, the angle of the line of the center of circle of three cores 12 respectively and between lead body 11 center of circle is 120 degree.
The electric pressure of the cable body 1 that embodiment 2 is made is 3.6/6kV ~ 26/35kV.
The restrictive coating that the utility model adopts Graphene-the development of PVC nanocomposites to make, not only thermal conductivity is high, also can effectively reduce conductor temperature.Graphene thermal conductivity can reach about 5000W/mk, graphene oxide also reaches 3000W/mk, it is extraordinary Heat Conduction Material, and rigid, Stability Analysis of Structures, simultaneously because Graphene and graphene oxide are again extraordinary electric conducting materials, in view of jacket layer material is to its insulation property with to cable insulation tensile strength, insulation elongation at break, sheath tensile strength, the particular/special requirement of insulation elongation at break, in maintenance cable insulation tensile strength, insulation elongation at break, sheath tensile strength, when insulation elongation at break meets national standard, improve its thermal conductivity, under loading condition when conductor temperature reaches 90 DEG C, restrictive coating conductive coefficient is brought up to 0.3W/mk from 0.14W/mk, cable conductor temperature can reduce by 4 DEG C, as can 4.5% be improved according to conductor temperature 90 DEG C of constant current-carrying capacity of cable, and its production cost is low, profit margin is high.
Claims (10)
1. the high heat conduction pvc sheath cable containing Graphene, comprise cable body (11), it is characterized in that: described cable body (11) comprises the core (12) of more than and is located at by the mode extruded the restrictive coating (3) that core (12) makes outward and by Graphene-the development of PVC nanocomposites, described core (12) comprises one or by the thread conductor of copper/aluminium (1) of strands, the cross section of described conductor (1) is circular or fan-shaped.
2. the high heat conduction pvc sheath cable containing Graphene according to claim 1, is characterized in that: described core (12) also comprises is located at conductor (1) insulating barrier outward (2).
3. the high heat conduction pvc sheath cable containing Graphene according to claim 2, is characterized in that: described insulating barrier (2) is made up of crosslinked polyethylene or pvc material.
4. the high heat conduction pvc sheath cable containing Graphene according to claim 1, is characterized in that: described core (12) also comprises and is coated on conductor (1) conductor shield outward (6), insulating barrier (7), insulation screen (8), copper strip shielding layer (9) successively with one heart respectively.
5. the high heat conduction pvc sheath cable containing Graphene according to claim 4, it is characterized in that: described conductor shield (6) and insulation screen (8) all adopt cable semi-conductive shielding material to make, insulating barrier (7) adopts cross-linking polyethylene materials to make.
6. the high heat conduction pvc sheath cable containing Graphene according to claim 3 or 5, it is characterized in that: the cross section of described conductor (1) is the fan-shaped of quarter circular arc, described core (12) is provided with four, after four mutual splits of core (12), form circular, four cores (12) and between restrictive coating (3), be provided with the twining package tape (4) be wrapped on core (12) outward.
7. the high heat conduction pvc sheath cable containing Graphene according to claim 6, is characterized in that: described twining package tape (4) is made up of nonwoven cloth material.
8. the high heat conduction pvc sheath cable containing Graphene according to claim 3 or 5, it is characterized in that: the cross section of described conductor (1) is for circular, described core (12) is provided with three, three cores (12) outward and be provided with the twining package tape (4) be wrapped on core (12) between restrictive coating (3).
9. the high heat conduction pvc sheath cable containing Graphene according to claim 8, is characterized in that: be provided with flame retardant filler (10) in the gap between described twining package tape (4) and core (12) and between three cores (12).
10. the high heat conduction pvc sheath cable containing Graphene according to claim 9, is characterized in that: described twining package tape (4) is made up of nonwoven cloth material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520438408.7U CN204991259U (en) | 2015-06-24 | 2015-06-24 | High heat conduction polyvinyl chloride jacketed cable that contains graphite alkene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520438408.7U CN204991259U (en) | 2015-06-24 | 2015-06-24 | High heat conduction polyvinyl chloride jacketed cable that contains graphite alkene |
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| Publication Number | Publication Date |
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| CN204991259U true CN204991259U (en) | 2016-01-20 |
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| CN201520438408.7U Active CN204991259U (en) | 2015-06-24 | 2015-06-24 | High heat conduction polyvinyl chloride jacketed cable that contains graphite alkene |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679424A (en) * | 2016-03-31 | 2016-06-15 | 宁国市明福线缆有限公司 | High-voltage power cable |
| CN111524640A (en) * | 2020-03-11 | 2020-08-11 | 四川寰达电线电缆有限公司 | Insulated overhead cable |
| CN116994792A (en) * | 2023-08-02 | 2023-11-03 | 祥龙实业控股(海南)有限公司 | Graphene copper-clad aluminum alloy wire, preparation method thereof and electric wire and cable |
-
2015
- 2015-06-24 CN CN201520438408.7U patent/CN204991259U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679424A (en) * | 2016-03-31 | 2016-06-15 | 宁国市明福线缆有限公司 | High-voltage power cable |
| CN105679424B (en) * | 2016-03-31 | 2017-04-26 | 安徽明福电缆有限公司 | High-voltage power cable |
| CN111524640A (en) * | 2020-03-11 | 2020-08-11 | 四川寰达电线电缆有限公司 | Insulated overhead cable |
| CN116994792A (en) * | 2023-08-02 | 2023-11-03 | 祥龙实业控股(海南)有限公司 | Graphene copper-clad aluminum alloy wire, preparation method thereof and electric wire and cable |
| CN116994792B (en) * | 2023-08-02 | 2024-05-14 | 彭丽楠 | Graphene copper-clad aluminum alloy wire, preparation method thereof and electric wire and cable |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214242 Jiangsu Province, Wuxi City Industrial Park, the western suburbs of Yixing Zhenfeng Road No. 999 Patentee after: JIANGSU ZHONGCHAO HOLDING CO., LTD. Address before: 214242 Jiangsu Province, Wuxi City Industrial Park, the western suburbs of Yixing Zhenfeng Road No. 999 Patentee before: Jiangsu Zhongchao Cable Corporation |