CN202003754U - 45kv three-core power cable - Google Patents
45kv three-core power cable Download PDFInfo
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- CN202003754U CN202003754U CN2010206372202U CN201020637220U CN202003754U CN 202003754 U CN202003754 U CN 202003754U CN 2010206372202 U CN2010206372202 U CN 2010206372202U CN 201020637220 U CN201020637220 U CN 201020637220U CN 202003754 U CN202003754 U CN 202003754U
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Abstract
The utility model discloses a 45kv three-core power cable of safer use and high quality product rate, comprising an outer sheath and three cable cores arranged in the outer sheath evenly; fillers are arranged between the three cable cores in the outer sheath; the structure of the cable core comprises a conductor, a conductor shielding layer arranged on the outside of the conductor, an insulation layer arranged on the outside of the conductor shielding layer, a copper wire shielding layer arranged on the outside of the insulation layer, a copper belt shielding layer arranged on the outside of the copper wire shielding layer and also an insulation shielding layer arranged on the outside of the insulation layer; the insulation shielding layer is composed of a plurality of insulation shielding strips spaced from each other and arranged on the outside of the insulation layer evenly, the copper wires of the copper wire shielding layer are evenly winded on the insulation shielding strips, and also a graphite coating layer is arranged on the outside of the outer sheath.
Description
Technical field
The utility model relates to a kind of power cable, relates 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.
The utility model content
Technical problem to be solved in the utility model 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 adopted in the utility model 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 utility model 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 utility model adopts is: described insulating barrier is cross linked insulation layer or ethylene propylene rubber insulated layer.
The utility model has the advantages that: 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 the utility model 45kV three core power cables.
Fig. 2 is the plan structure schematic diagram that the utility model 45kV three-core cable copper wire and insulation shielding bar twine.
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 utility model 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 utility model is described; and be not to be to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from the utility model 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 utility model.
Claims (3)
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 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.
3. according to claim 1 or 2 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206372202U CN202003754U (en) | 2010-12-01 | 2010-12-01 | 45kv three-core power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206372202U CN202003754U (en) | 2010-12-01 | 2010-12-01 | 45kv three-core power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202003754U true CN202003754U (en) | 2011-10-05 |
Family
ID=44706484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206372202U Expired - Fee Related CN202003754U (en) | 2010-12-01 | 2010-12-01 | 45kv three-core power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202003754U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117127A (en) * | 2013-03-18 | 2013-05-22 | 天津天缆小猫线缆科技集团有限公司 | High-voltage ethylene-propylene insulation plastic sheath power cable |
-
2010
- 2010-12-01 CN CN2010206372202U patent/CN202003754U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117127A (en) * | 2013-03-18 | 2013-05-22 | 天津天缆小猫线缆科技集团有限公司 | High-voltage ethylene-propylene insulation plastic sheath power cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20161201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |