CN102063961A - 45kV three-core power cable - Google Patents
45kV three-core power cable Download PDFInfo
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- CN102063961A CN102063961A CN 201010568622 CN201010568622A CN102063961A CN 102063961 A CN102063961 A CN 102063961A CN 201010568622 CN201010568622 CN 201010568622 CN 201010568622 A CN201010568622 A CN 201010568622A CN 102063961 A CN102063961 A CN 102063961A
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Abstract
The intervention discloses a 45kV three-core power cable which is safer to use and has high quality product rate. The 45kV three-core power cable comprises an outer protective layer and three cable cores evenly distributed in the outer protective layer, and fillers are filled among the three cable cores in the outer protective layer. Each cable core comprises a conductor, a conductor shielding layer arranged outside the conductor, an insulating layer arranged outside the conductor shielding layer, a copper wire shielding layer arranged outside the insulating layer and a copper strip shielding layer arranged outside the copper wire shielding layer, wherein an insulation shielding layer is also arranged outside the insulating layer and consists of a plurality of insulation shielding strips evenly distributed outside the insulating layer at intervals, copper wires of the copper wire shielding layer are uniformly and sparsely wound on the insulation shielding strips, and a graphite coating is arranged outside the outer protective layer.
Description
Technical field
The present invention relates to a kind of power cable, relate in particular to a kind of three core power cables.
Background technology
The electric pressure of three common core power cables is generally 35KV, the structure of existing 35KV three core power cables comprises: outer jacket and evenly be arranged on three cable cores in the outer jacket, in outer jacket, be provided with inserts between three cable cores, the structure of described cable core comprises: conductor, be arranged on the conductor shield in the conductor outside, be arranged on the insulating barrier in the conductor shield outside, be arranged on the copper wire screen in the insulating barrier outside, be arranged on the copper strips screen in the copper wire screen outside.Above-mentioned 35KV three core power cable transmission capacities are less, and transmission range is nearer, and the self transmission loss of power cable is bigger, and the quality percentage of cable is not high.
Summary of the invention
Technical problem to be solved by this invention is: the 45KV that a kind of use is safer, the quality percentage of cable is high is provided three core power cables.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: 45KV three core power cables, comprise: outer jacket and evenly be arranged on three cable cores in the outer jacket, in outer jacket, be provided with inserts between three cable cores, the structure of described cable core comprises: conductor, be arranged on the conductor shield in the conductor outside, be arranged on the insulating barrier in the conductor shield outside, be arranged on the copper wire screen in the insulating barrier outside, be arranged on the copper strips screen in the copper wire screen outside, the outside at described insulating barrier also is provided with insulation screen, insulation screen is made up of the insulation shielding bar that some spaces evenly are arranged on the insulating barrier outside, and the copper wire of copper wire screen is dredged on the insulation shielding bar equably; Also be provided with equadag coating in the described outer jacket outside.
In order to solve the problems of the technologies described above better, the further technical scheme that the present invention adopts is: described equadag coating is the coating of being mixed by graphite and functional agent.
In order to solve the problems of the technologies described above better, the further technical scheme that the present invention adopts is: described functional agent can be adhesive, colouring agent or pest repellant.
In order to solve the problems of the technologies described above better, the further technical scheme that the present invention adopts is: described conductor screen layer thickness is 0.6～1.0mm; Described thickness of insulating layer is 12～12.5mm; Described insulation shielding layer thickness is 1.0～1.2mm.
In order to solve the problems of the technologies described above better, the further technical scheme that the present invention adopts is: described insulating barrier is cross linked insulation layer or ethylene propylene rubber insulated layer.
In order to solve the problems of the technologies described above better, the further technical scheme that the present invention adopts is: described cross linked insulation layer is to be made by crosslinking process by 100 parts polyethylene, 1.2 parts antioxidant and 2 parts peroxide cross-linking agent.
Advantage of the present invention is: above-mentioned 45KV three core power cables are beaten than common 35KV single-core power cables transmission capacity, long transmission distance, be provided with insulation screen make in the shielding process copper wire guarantee to dredge around, be not subjected to displacement, be unlikely to embed insulating barrier, thereby guaranteed the metallic shield effect of product, improved the quality percentage of cable, prolonged the useful life of cable; Equadag coating can prevent that cable is in operation induced electromotive force to the infringement of cable, can protect cable well, and equadag coating is mixed by graphite and functional agent, and functional agent can be adhesive, colouring agent or pest repellant, has improved the comprehensive function of cable.
Description of drawings
Fig. 1 is the structural representation of 45KV three core power cables of the present invention.
Fig. 2 is the plan structure schematic diagram of 45KV three-core cable copper wire of the present invention and the winding of insulation shielding bar.
Among the figure: 1, outer jacket, 2, cable core, 21, conductor, 22, conductor shield, 23, insulating barrier, 24, the copper wire screen, 241, copper wire, 25, the copper strips screen, 26, insulation screen, 261, the insulation shielding bar, 3, inserts, 4, equadag coating.
Embodiment
Describe particular content of the present invention in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1,45KV three core power cables, comprise: outer jacket 1 and evenly be arranged on three cable cores 2 in the outer jacket 1, between outer jacket 1 interior three cable cores 2, be provided with inserts 3, the structure of described cable core 2 comprises: conductor 21, be arranged on the conductor shield 22 in conductor 21 outsides, be arranged on the insulating barrier 23 in conductor shield 22 outsides, be arranged on the copper wire screen 24 in insulating barrier 23 outsides, be arranged on the copper strips screen 25 in copper wire screen 24 outsides, as shown in Figure 2, the outside at described insulating barrier 23 also is provided with insulation screen 26, insulation screen 26 is made up of the insulation shielding bar 261 that some spaces evenly are arranged on insulating barrier 23 outsides, and the copper wire 241 of copper wire screen 24 is dredged on insulation shielding bar 261 equably; As shown in Figure 1, also be provided with equadag coating 4 in described outer jacket 1 outside.
Above-mentioned 45KV three core power cables are bigger than common 35KV single-core power cables transmission capacity, long transmission distance, be provided with insulation screen 26 make in the shielding process copper wire 241 guarantee to dredge around, be not subjected to displacement, be unlikely to embed insulating barrier 23, thereby guaranteed the metallic shield effect of product, improved the quality percentage of cable, prolonged the useful life of cable; Equadag coating 4 can prevent that cable is in operation induced electromotive force to the infringement of cable, can protect cable well, has prolonged the useful life of cable.
In the present embodiment, described equadag coating 4 is the coatings of being mixed by graphite and functional agent.When reality was used, described functional agent can be adhesive, colouring agent or pest repellant.Adhesive can make equadag coating 4 combine better with outer jacket 1; Colouring agent can be used to not have not different cables; Pest repellant can be used to disperse mosquito protection cable; Improved the comprehensive function of cable.
In the present embodiment, described conductor shield 22 thickness are 0.6～1.0mm; Described insulating barrier 23 thickness are 12～12.5mm; Described insulation screen 26 thickness are 1.0～1.2mm.
In the present embodiment, described insulating barrier 23 is cross linked insulation layer or ethylene propylene rubber insulated layer.Described cross linked insulation layer is to be made by crosslinking process by 100 parts polyethylene, 1.2 parts antioxidant and 2 parts peroxide cross-linking agent.
The foregoing description is only for the usefulness that the present invention is described; and be not to be limitation of the present invention; the those of ordinary skill in relevant technologies field; under the situation that does not break away from the present invention's spirit and protection range; can also make various variations and modification, so all technical schemes that are equal to also should belong to protection category of the present invention.
Claims (6)
1.45KV three core power cables, comprise: outer jacket (1) and evenly be arranged on three cable cores (2) in the outer jacket (1), between interior three cable cores of outer jacket (1) (2), be provided with inserts (3), the structure of described cable core (2) comprising: conductor (21), be arranged on the conductor shield (22) in conductor (21) outside, be arranged on the insulating barrier (23) in conductor shield (22) outside, be arranged on the copper wire screen (24) in insulating barrier (23) outside, be arranged on the copper strips screen (25) in copper wire screen (24) outside, it is characterized in that: also be provided with insulation screen (26) in the outside of described insulating barrier (23), insulation screen (26) is made up of the insulation shielding bar (261) that some spaces evenly are arranged on insulating barrier (23) outside, and the copper wire (241) of copper wire screen (24) is dredged on insulation shielding bar (261) equably; Also be provided with equadag coating (4) in described outer jacket (1) outside.
2. according to described 45KV three core power cables of claim 1, it is characterized in that: described equadag coating (4) is the coating of being mixed by graphite and functional agent.
3. according to described 45KV three core power cables of claim 1, it is characterized in that: described functional agent can be adhesive, colouring agent or pest repellant.
4. according to described 45KV three core power cables of claim 1, it is characterized in that: described conductor shield (22) thickness is 0.6～1.0mm; Described insulating barrier (23) thickness is 12～12.5mm; Described insulation screen (26) thickness is 1.0～1.2mm.
5. according to claim 1 or 2 or 3 or 4 described 45KV three core power cables, it is characterized in that: described insulating barrier (23) is cross linked insulation layer or ethylene propylene rubber insulated layer.
6. according to described 45KV three core power cables of claim 5, it is characterized in that: described cross linked insulation layer is to be made by crosslinking process by 100 parts polyethylene, 1.2 parts antioxidant and 2 parts peroxide cross-linking agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010568622 CN102063961A (en) | 2010-12-01 | 2010-12-01 | 45kV three-core power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010568622 CN102063961A (en) | 2010-12-01 | 2010-12-01 | 45kV three-core power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102063961A true CN102063961A (en) | 2011-05-18 |
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ID=43999194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010568622 Pending CN102063961A (en) | 2010-12-01 | 2010-12-01 | 45kV three-core power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102063961A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900335A (en) * | 2015-06-26 | 2015-09-09 | 王艳娣 | Anticorrosion and damp-proof cable used in mine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD270456A3 (en) * | 1986-05-02 | 1989-08-02 | Nord Kabelwerk Veb | LAW WATERPROOF POWER CABLE |
| DE19644870A1 (en) * | 1995-10-30 | 1997-05-07 | Felten & Guilleaume Energie | Electrical cable laid e.g. in grooves without spring back |
| EP0802542A2 (en) * | 1996-03-20 | 1997-10-22 | NKT Cables A/S | A high-voltage cable |
| CN1300085A (en) * | 2001-01-09 | 2001-06-20 | 郑州电缆(集团)股份有限公司 | Crosslinked polyethylene insulated power cable |
| CN1428792A (en) * | 2001-12-26 | 2003-07-09 | 山东鲁能泰山电缆股份有限公司 | 500KV ultra-high voltage cross-linking cable and its production process |
-
2010
- 2010-12-01 CN CN 201010568622 patent/CN102063961A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD270456A3 (en) * | 1986-05-02 | 1989-08-02 | Nord Kabelwerk Veb | LAW WATERPROOF POWER CABLE |
| DE19644870A1 (en) * | 1995-10-30 | 1997-05-07 | Felten & Guilleaume Energie | Electrical cable laid e.g. in grooves without spring back |
| EP0802542A2 (en) * | 1996-03-20 | 1997-10-22 | NKT Cables A/S | A high-voltage cable |
| CN1300085A (en) * | 2001-01-09 | 2001-06-20 | 郑州电缆(集团)股份有限公司 | Crosslinked polyethylene insulated power cable |
| CN1428792A (en) * | 2001-12-26 | 2003-07-09 | 山东鲁能泰山电缆股份有限公司 | 500KV ultra-high voltage cross-linking cable and its production process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900335A (en) * | 2015-06-26 | 2015-09-09 | 王艳娣 | Anticorrosion and damp-proof cable used in mine |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110518 |