CN204332501U - A kind of new waterproof high voltage power cable - Google Patents
A kind of new waterproof high voltage power cable Download PDFInfo
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- CN204332501U CN204332501U CN201420749953.3U CN201420749953U CN204332501U CN 204332501 U CN204332501 U CN 204332501U CN 201420749953 U CN201420749953 U CN 201420749953U CN 204332501 U CN204332501 U CN 204332501U
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- conductor
- high voltage
- voltage power
- power cable
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- 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
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Abstract
The utility model discloses a kind of new waterproof high voltage power cable, comprise protective layer and cable core; The coated described cable core of described protective layer; Described cable core comprises a single center conductor and at least three single sector conductors, and described sector conductor is closely wound around center conductor; The proportion that the cross-sectional area of wherein said center conductor accounts for the cross-sectional area of described cable core is 1/130 ~ 1/20.The utility model compact conformation, waterproof, anti-bending strength good, current delivery density is high, can be used under water and underground environment.
Description
Technical field
The utility model relates to a kind of new waterproof high voltage power cable, is applicable to power cable technical field.
Background technology
In conventional art, the cable core cross-sectional area of power cable determines the speed of power cable transmission current.The cross-sectional area of conventional high-tension electric-cable core is generally 400 ~ 2500mm
2.
In order to transferring electric power better, need to reduce the space in high voltage power cable cable core.This is because the existence in space can make cross section conductive area in high voltage power cable be less than the overall cross-section of high voltage power cable, thus reduce the current delivery density of high voltage power cable.
In addition, when the conductive area of high voltage power cable is greater than 1000mm
2time, need the anti-bending strength improving high voltage power cable further, thus prevent high voltage power cable from damaging because of overbending.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of new waterproof high voltage power cable, solves the not high and cable core of conventional high-tension power cable anti-bending strength and there is space, problem that current delivery density is not high.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of new waterproof high voltage power cable, comprises cable core and protective layer; The coated described cable core of described protective layer, comprises insulating barrier, semiconductor layer and metallic sheath; Described cable core comprises a single center conductor and at least three single sector conductors, described sector conductor is closely wound around center conductor, is provided with multiple spaced water-blocking component in the space between described sector conductor and center conductor, between sector conductor and sector conductor; The proportion that the cross-sectional area of wherein said center conductor accounts for the cross-sectional area of described cable core is 1/130 ~ 1/20.
Described center conductor is single, elongated conductor, and its cross section is roughly circle, and its longitudinal axis is consistent with the longitudinal axis of high voltage power cable.
Described sector conductor is single, elongated sector conductor, and its cross section is roughly trapezoidal; The cross section of each sector conductor comprises major part, secondary part, first side and second side, and wherein said major part is one section of circular arc.Further, described first side is provided with groove, and described second side is provided with the flange that shape, size and first side match, and wherein the groove on each sector conductor first side and the flange on adjacent sector conductor second side engage each other.
Described water-blocking component can be gel or the powder band of water-swellable.
Preferably, described center conductor and sector conductor are annealed aluminium.
Preferably, center conductor described in described secondary part contact and diameter is identical with the diameter of center conductor; Preferably, between described sector conductor, edge-to-edge is connected, and size, shape are mutually the same.
Preferably, the sector conductor quantity that described each cable core comprises is no more than 9.
Preferably, the cross-sectional area of described cable core is greater than 1000mm
2.
The beneficial effects of the utility model are: compact conformation, be applicable under water and underground environment; Waterproof, anti-bending strength good; Water-blocking component is provided with in space between sector conductor and center conductor, between sector conductor and sector conductor, the flange that sector conductor two sides are respectively equipped with groove and are meshed with groove, thus there is not space in cable core, further increase the current delivery density in high voltage power cable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model first embodiment.
Fig. 2 is the structural representation of the utility model second embodiment.
Wherein, 1,1'-high voltage power cable; 1a-cable core; 2-center conductor; 3-sector conductor; 4-protective layer; 31-major part; The secondary part of 32-; 33a-first side; 33b-second side; 34-groove; 35-flange; 40-water-blocking component.
Embodiment
By reference to the accompanying drawings, the utility model is described in further detail.
See Fig. 1, the utility model first embodiment high voltage power cable 1 comprises cable core 1a and protective layer 4.The cable core 1a that tells comprises a center conductor 2 and multiple sector conductor 3; Wherein said sector conductor 3 is closely wound around described center conductor 2; Multiple spaced water-blocking component 40 is provided with in space between described sector conductor 3 and center conductor 2, between sector conductor 3 and sector conductor 3.The coated described cable core 1a of described protective layer 4, comprises insulating barrier, semiconductor layer and metallic sheath.
Described center conductor 2 is single, elongated conductor, and its cross section is roughly circle, and its longitudinal axis is consistent with the longitudinal axis X of high voltage power cable 1.
Described sector conductor 3 is single, elongated sector conductor, and its cross section is roughly trapezoidal; The quantity of sector conductor 3 is 3 ~ 9, and the cross section of each sector conductor 3 comprises major part 31, secondary part 32, first side 33a and second side 33b, and wherein said major part 31 and secondary part 32 are all arc-shaped; Described secondary part 32 contacts described center conductor 2 and diameter is identical with the diameter of center conductor 2; The side of the sector conductor 3 that described first side 33a is adjacent with self respectively with second side 33b is connected.
Described water-blocking component 40 can be gel or the powder band of water-swellable.
Preferably, described center conductor 2 and sector conductor 3 are annealed aluminium.
Preferably, the shape of described multiple sector conductor 3, area are all identical with angular breadth α.
Preferably, the cross-sectional area of described cable core 1a is greater than 1000mm
2, the cross-sectional area of described center conductor 2 is 1/130 ~ 1/20 of cable core 1a.
See Fig. 2, the structure of the utility model second embodiment high voltage power cable 1' and the similar of high voltage power cable 1, with high voltage power cable 1 structure unlike, in described high voltage power cable 1', the first side 33a of each sector conductor 3 is provided with groove 34, the second side 33b of each sector conductor 3 is provided with and flange 35, and the groove 34 wherein on each sector conductor 3 first side 33a engages each other with the flange 35 on adjacent sector conductor 3 second side 33b.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (7)
1. a new waterproof high voltage power cable, is characterized in that, described high voltage power cable comprises protective layer and cable core; The coated described cable core of described protective layer; Described cable core comprises a single center conductor and at least three single sector conductors, and described sector conductor is closely wound around center conductor; The proportion that the cross-sectional area of wherein said center conductor accounts for the cross-sectional area of described cable core is 1/130 ~ 1/20.
2. a kind of new waterproof high voltage power cable according to claim 1, is characterized in that, between described sector conductor, edge-to-edge is connected, and size, shape are mutually the same.
3. a kind of new waterproof high voltage power cable according to claim 1, it is characterized in that, the cross-sectional area of described cable core is greater than 1000mm
2.
4. a kind of new waterproof high voltage power cable according to claim 1, is characterized in that, the sector conductor quantity that described each cable core comprises is no more than 9.
5. a kind of new waterproof high voltage power cable according to claim 1, is characterized in that, the cross section of described center conductor is circular.
6. a kind of new waterproof high voltage power cable according to claim 1, is characterized in that, the cross section of described sector conductor is roughly trapezoidal; The cross section of each sector conductor comprises major part, secondary part, first side and second side; Described major part is one section of circular arc, described first side is provided with groove, described second side is provided with the flange that shape, size and first side match, and wherein the groove on each sector conductor first side and the flange on adjacent sector conductor second side engage each other.
7. a kind of new waterproof high voltage power cable according to claim 1, is characterized in that, is provided with multiple spaced water-blocking component in the space between described sector conductor and center conductor, between sector conductor and sector conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420749953.3U CN204332501U (en) | 2014-12-03 | 2014-12-03 | A kind of new waterproof high voltage power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420749953.3U CN204332501U (en) | 2014-12-03 | 2014-12-03 | A kind of new waterproof high voltage power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204332501U true CN204332501U (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420749953.3U Active CN204332501U (en) | 2014-12-03 | 2014-12-03 | A kind of new waterproof high voltage power cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN204332501U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504821A (en) * | 2016-12-30 | 2017-03-15 | 无锡江南电缆有限公司 | A kind of hollow milliken conductor of waterproofing type |
| CN106531329A (en) * | 2016-12-30 | 2017-03-22 | 无锡江南电缆有限公司 | Super-large section hollow split conductor-type water-blocking control cable for train |
| CN106782826A (en) * | 2016-12-30 | 2017-05-31 | 无锡江南电缆有限公司 | A kind of hollow milliken conductor of waterproofing type super-section |
-
2014
- 2014-12-03 CN CN201420749953.3U patent/CN204332501U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504821A (en) * | 2016-12-30 | 2017-03-15 | 无锡江南电缆有限公司 | A kind of hollow milliken conductor of waterproofing type |
| CN106531329A (en) * | 2016-12-30 | 2017-03-22 | 无锡江南电缆有限公司 | Super-large section hollow split conductor-type water-blocking control cable for train |
| CN106782826A (en) * | 2016-12-30 | 2017-05-31 | 无锡江南电缆有限公司 | A kind of hollow milliken conductor of waterproofing type super-section |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160127 Address after: Eight 052264 Li village, Hebei City, Jinzhou Province Patentee after: SHENXING CABLE GROUP CO., LTD. Address before: Tianhe District city in Guangdong province Guangzhou Longkou West Road No. 2, Room 405, 510635 Patentee before: Dong Chaochao |