CN204029454U - A kind of 150kV high-tension cable with high water resistant high shielding properties - Google Patents
A kind of 150kV high-tension cable with high water resistant high shielding properties Download PDFInfo
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- CN204029454U CN204029454U CN201420439917.7U CN201420439917U CN204029454U CN 204029454 U CN204029454 U CN 204029454U CN 201420439917 U CN201420439917 U CN 201420439917U CN 204029454 U CN204029454 U CN 204029454U
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Abstract
The utility model discloses a kind of 150kV high-tension cable with high water resistant high shielding properties, comprise successively from internal layer to skin: conductor, conductor shield, insulating barrier, insulation screen, the first semiconductive water blocking layer, metal screen layer, the second semiconductive water blocking layer, plumbous cover, waterstop and oversheath, described metal screen layer is made up of at the copper strips of described shielding layer of copper wires outer surface shielding layer of copper wires and tightening.By the way, the utility model can meet the demand of system short circuit capacity, ensures radial water-resisting and anticorrosion, and advantages of good shielding performance, ensure that cable normally runs under special adverse circumstances.
Description
Technical field
The utility model relates to power cable field, particularly relates to a kind of 150kV high-tension cable with high water resistant high shielding properties.
Background technology
According to cable running environment special both at home and abroad, require that the metal screen layer of cable adopts plumbous cover, as calculated, plumbous cover can not meet the demand of system short circuit capacity far away, is only also difficult to by increasing plumbous cover thickness the demand meeting system short circuit capacity.
In recent years along with the fast development that national high voltage technique is applied, 150kV high-tension cable consumption increases swift and violent, and the production capacity, particularly heavy in section high-tension cable that therefore expand 150kV high-tension cable continue Chinese national economy, high speed development plays a part key; Simultaneously in conjunction with overseas market developing demand, development 150kV high-voltage cross-linking polythene insulation brass wire shielding leading cover power cable is imperative.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of 150kV high-tension cable with high water resistant high shielding properties, the demand of system short circuit capacity can be met, ensure radial water-resisting and anticorrosion, and advantages of good shielding performance, ensure that cable normally runs under special adverse circumstances.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: provide a kind of 150kV high-tension cable with high water resistant high shielding properties, comprise successively from internal layer to skin: conductor, conductor shield, insulating barrier, insulation screen, the first semiconductive water blocking layer, metal screen layer, the second semiconductive water blocking layer, plumbous cover, waterstop and oversheath, described metal screen layer is made up of at the copper strips of described shielding layer of copper wires outer surface shielding layer of copper wires and tightening.
In the utility model preferred embodiment, the cross sectional shape of described conductor is four milliken conductors, forms by four pieces of sector elements are stranded.
In the utility model preferred embodiment, described in every block, the center of circle angle of sector element is 89.5 °.
In the utility model preferred embodiment, described metal screen layer adopts copper wire to dredge to add copper strips around shielding to be tightened.
In the utility model preferred embodiment, described first semiconductive water blocking layer and described second semiconductive water blocking layer are semiconductor waterstop.
In the utility model preferred embodiment, described waterstop adopts two-sided waterstop.
In the utility model preferred embodiment, described oversheath is manufactured by polyvinyl chloride, medium density polyethylene or high density polyethylene (HDPE).
The beneficial effects of the utility model are:
1. adopt the conductor of four segmenting structures, there is higher electric conductivity, block-water performance and shielding properties;
2. adopt the metal screen layer that increase shielding layer of copper wires and copper strips are tightened in lead cover, such metal screen layer is in parallel with plumbous cover, can meet the demand of system short circuit capacity completely; Meanwhile, plumbous cover can also play the performance of ordinary high pressure power cable radial water-resisting, can ensure radial water-resisting, anticorrosion, and advantages of good shielding performance, ensure that cable normally runs under special adverse circumstances;
3. have cable run non-maintaining, cable laying convenient, by drop restriction, operational reliability high.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation with actuating unit one preferred embodiment of the 150kV high-tension cable of high water resistant high shielding properties of the utility model;
In accompanying drawing, the mark of each parts is as follows: 1, conductor, and 2, conductor shield, 3, insulating barrier, 4, insulation screen, the 5, first semiconductive water blocking layer, 6, metal screen layer, the 7, second semiconductive water blocking layer, 8, plumbous cover, 9, waterstop, 10, oversheath.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection range of the present utility model.
Refer to Fig. 1, the utility model embodiment comprises:
A kind of 150kV high-tension cable with high water resistant high shielding properties, comprise successively from internal layer to skin: conductor 1, the three-layer co-extruded conductor shield 2 at described conductor 1 outer surface, insulating barrier 3 and insulation screen 4, wrapped the first semiconductive water blocking layer 5 at described insulation screen 4 outer surface, be coated on the metal screen layer 6 of described first semiconductive water blocking layer 5 outer surface, wrapped the second semiconductive water blocking layer 7 at described metal screen layer 6 outer surface, be extruded in the lead cover 8 of described second semiconductive water blocking layer 7 outer surface, the wrapped waterstop 9 at described lead cover 8 outer surfaces and be extruded in the oversheath 10 of described waterstop 9 outer surface, wherein:
Described metal screen layer 6 is made up of at the copper strips of described shielding layer of copper wires outer surface shielding layer of copper wires and tightening, employing be that copper wire is dredged and added copper strips around shielding and tighten;
The cross sectional shape of described conductor 1 is four milliken conductors, forms by four pieces of sector elements are stranded, and described in every block, the center of circle angle of sector element is 89.5 °;
Described first semiconductive water blocking layer 5 and described second semiconductive water blocking layer 7 are semiconductor waterstop;
Described waterstop 9 adopts two-sided waterstop;
Described oversheath 10 is manufactured by the polyvinyl chloride of insulation-grade, medium density polyethylene or high density polyethylene (HDPE).
Its course of processing is as follows: certified raw material are carried out wire drawing, twisted wire, and bag waterstop is indulged in outside, makes sector element, makes round conductor 1 by stranded for four pieces of sector elements; Then, conductor shield 2, insulating barrier 3 and insulation screen 4 are made by co-extrusion to insulated wire cores; Then, the insulated wire cores made is carried out stress elimination in deaerating chamber; At the outer wrapped first semiconductive water blocking layer 5 of insulation screen 4; Adopt brass wire shielding machine richly to prick metal screen layer 6 the first semiconductive water blocking layer 5 is outer, and metal screen layer 6 adopt copper wire to dredge adds copper strips around shielding and tighten; At the outer wrapped second semiconductive water blocking layer 7 of metal screen layer 6; Then carry out local test, then, adopt extruder outside the second semiconductive water blocking layer 7, extrude plumbous cover 8; At the outer two-sided waterstop of wrapped waterstop 9(of lead cover 8); Extruder is adopted to extrude oversheath 10 outside waterstop 9; Finally after oversheath 10 outer coating graphite, carry out product inspection, and pack.Its model specification is CU/XLPE/CWS/LAS/HDPE 87/150kV 1C 1000 Sq.mm.
The utility model discloses a kind of 150kV high-tension cable with high water resistant high shielding properties, by adopting the conductor of four segmenting structures, makes cable have higher electric conductivity, block-water performance and shielding properties; Adopt the metal screen layer that increase shielding layer of copper wires and copper strips are tightened in lead cover, such metal screen layer is in parallel with plumbous cover, can meet the demand of system short circuit capacity completely; Meanwhile, plumbous cover can also play the performance of ordinary high pressure power cable radial water-resisting, can ensure radial water-resisting, anticorrosion, and advantages of good shielding performance, ensure that cable normally runs under special adverse circumstances; Have cable run non-maintaining, cable laying convenient, by drop restriction, operational reliability high.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. one kind has the 150kV high-tension cable of high water resistant high shielding properties, it is characterized in that, described high-tension cable comprises from internal layer successively to skin: conductor, conductor shield, insulating barrier, insulation screen, the first semiconductive water blocking layer, metal screen layer, the second semiconductive water blocking layer, plumbous cover, waterstop and oversheath, and described metal screen layer is made up of at the copper strips of described shielding layer of copper wires outer surface shielding layer of copper wires and tightening.
2. the 150kV high-tension cable with high water resistant high shielding properties according to claim 1, is characterized in that, the cross sectional shape of described conductor is four milliken conductors, forms by four pieces of sector elements are stranded.
3. the 150kV high-tension cable with high water resistant high shielding properties according to claim 2, is characterized in that, described in every block, the center of circle angle of sector element is 89.5 °.
4. the 150kV high-tension cable with high water resistant high shielding properties according to claim 1, is characterized in that, described metal screen layer adopts copper wire to dredge to add copper strips around shielding to be tightened.
5. the 150kV high-tension cable with high water resistant high shielding properties according to claim 1, is characterized in that, described first semiconductive water blocking layer and described second semiconductive water blocking layer are semiconductor waterstop.
6. the 150kV high-tension cable with high water resistant high shielding properties according to claim 1, it is characterized in that, described waterstop adopts two-sided waterstop.
7. the 150kV high-tension cable with high water resistant high shielding properties according to claim 1, is characterized in that, described oversheath is manufactured by polyvinyl chloride, medium density polyethylene or high density polyethylene (HDPE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420439917.7U CN204029454U (en) | 2014-08-06 | 2014-08-06 | A kind of 150kV high-tension cable with high water resistant high shielding properties |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420439917.7U CN204029454U (en) | 2014-08-06 | 2014-08-06 | A kind of 150kV high-tension cable with high water resistant high shielding properties |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204029454U true CN204029454U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420439917.7U Expired - Fee Related CN204029454U (en) | 2014-08-06 | 2014-08-06 | A kind of 150kV high-tension cable with high water resistant high shielding properties |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966581A (en) * | 2015-06-09 | 2015-10-07 | 无锡市曙光电缆有限公司 | Lead sheath copper wire shielding composite high-voltage power cable |
| CN106782806A (en) * | 2017-01-22 | 2017-05-31 | 山东聚辰电缆有限公司 | A kind of profile conductor twisted cable beneficial to protection insulating barrier |
-
2014
- 2014-08-06 CN CN201420439917.7U patent/CN204029454U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966581A (en) * | 2015-06-09 | 2015-10-07 | 无锡市曙光电缆有限公司 | Lead sheath copper wire shielding composite high-voltage power cable |
| CN106782806A (en) * | 2017-01-22 | 2017-05-31 | 山东聚辰电缆有限公司 | A kind of profile conductor twisted cable beneficial to protection insulating barrier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215500 Changshou City Economic Development Zone, Jiangsu province Tongda Road, No. 8, No. Patentee after: Hengtong Submarine Power Cable Co.,Ltd. Address before: 215500 Changshou City Economic Development Zone, Jiangsu province Tongda Road, No. 8, No. Patentee before: JIANGSU HENGTONG HIGH-VOLTAGE CABLE CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20190806 |