CN201465641U - Electric power cable - Google Patents
Electric power cable Download PDFInfo
- Publication number
- CN201465641U CN201465641U CN2009200479082U CN200920047908U CN201465641U CN 201465641 U CN201465641 U CN 201465641U CN 2009200479082 U CN2009200479082 U CN 2009200479082U CN 200920047908 U CN200920047908 U CN 200920047908U CN 201465641 U CN201465641 U CN 201465641U
- Authority
- CN
- China
- Prior art keywords
- cable
- packed layer
- power cable
- cable core
- conduction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
Abstract
The utility model discloses an electric power cable, which comprises an outer protective sleeve and a plurality of conducting cable cores. Filling layers are disposed in spaces among the conducting cable cores and the outer protective sleeve, a plurality of grooves are evenly distributed on the inner wall surfaces of insulators of the conducting cable cores, and hollow passages are arranged on the filling layers. The cable has the advantage of excellent radiating performance.
Description
Technical field
The utility model relates to a kind of transmission of electricity cable, is specifically related to a kind of power cable.
Background technology
Cable is the relatively large power cable (for example power cord more than 6 kilovolts) of capacity especially, in the energising running, objectively can produce a large amount of heats, and be subjected to restrictions such as the construction of cable and material, external environment condition, the heat that produces is difficult to distribute very soon, thereby causes the cable rapid warm raising.Cable heats up and not only can cause the decline of cable current capacity, and can cause the thermal breakdown of cable when serious; Simultaneously, the cable intensification has also been quickened cable and has been worn out, and has reduced the Acceptable life of cable.For this reason, people propose multiple measure, to reduce the work heating of electric wire.For example adopt round or yi word pattern arrangement insulated tube, make every insulated tube only supply a conductor laying, simultaneously also can be for the circulation of cooling gas circulation.The actual draught capacity of this structural cable is limited, and cooling-down effect is not obvious, and makes the outside diameter of cable increase greatly, is unfavorable for normally laying, and lays to take up space greatly; Insulated tube is flattened by mechanical external force or damaged the obstruction, then can be ineffective; In addition, this structure can not be used for mesohigh (for example more than 6 kilovolts) electric wire, and therefore actual being difficult to applied.In addition, people expects adopting the water-cooled cable structure, and amalgamation has water service pipe between cable core, takes away the heat that cable core produces with circulating water, thereby reaches the cooling cable.Yet Water cooling cable is for guaranteeing insulation, the warm water tube wall needs thicker, so not only influence the bending property of cable, and the outside diameter of cable increases considerably, and be unfavorable for equally normally laying, and manufacturing cost improves bigger, the potential safety hazard that existence in service is very big, owing to be subjected to the high-tension cable structural constraint, be difficult in and add the thicker water service pipe of tube wall in the cable, so the Water cooling cable structure only be applicable to low-voltage cable.
Summary of the invention
The purpose of this utility model provides a kind of power cable of perfect heat-dissipating.
The technical scheme that realizes the utility model purpose is as follows:
Power cable comprises oversheath and outer a plurality of conduction cable core, and the space between conduction cable core and the oversheath is provided with packed layer, uniform a plurality of grooves on the internal face of the insulator of described conduction cable core, and described packed layer is provided with hollow channel.
Described packed layer is provided with heat carrier with the face that insulator contacts that protects of conduction cable core.
Be provided with endothermic tube in the hollow channel of packed layer.
Adopted such scheme, uniform a plurality of grooves on the internal face of the insulator of described conduction cable core can increase the area of dissipation of insulator by groove, are beneficial to heat in time is discharged on the insulator of conduction cable core.Described packed layer is provided with hollow channel.Packed layer is discharged to heat in the hollow channel after the heat on the insulator is absorbed, and discharges by hollow channel, causes cable to become vertically ventilation and heat fast by laterally slowly dispelling the heat of routine, effectively reduces or control cable operation temperature rise.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
In the accompanying drawing, 1 is oversheath, and 2 is packed layer, and 3 is hollow channel, and 4 is heat carrier, and 5 is endothermic tube, and 6 is insulator, and 7 is groove.
Embodiment
With reference to Fig. 1, be power cable of the present utility model, comprise oversheath 1 and outer a plurality of conduction cable core, the space between conduction cable core and the oversheath is provided with packed layer 2, and packed layer can be plastics or rubber, and packed layer is provided with hollow channel 3.Packed layer 2 is provided with heat carrier 4 with the face that the insulator of conduction cable core contacts, and heat carrier will be delivered to packed layer from the heat absorption on the conduction cable core.Be provided with endothermic tube 5 in the hollow channel of packed layer, endothermic tube will from packed layer inhale heat be discharged to the hollow channel 3.Uniform a plurality of grooves 7 on the internal face of insulator 6 of conduction cable core, the projection of groove will be conducted electricity the electric conductor of cable core and be located in twos.
Claims (3)
1. power cable comprises oversheath and outer a plurality of conduction cable core, and the space between conduction cable core and the oversheath is provided with packed layer, and it is characterized in that: uniform a plurality of grooves on the internal face of the insulator of described conduction cable core, described packed layer is provided with hollow channel.
2. power cable according to claim 1 is characterized in that: described packed layer is provided with heat carrier with the face that insulator contacts that protects of conduction cable core.
3. power cable according to claim 1 and 2 is characterized in that: be provided with endothermic tube in the hollow channel of packed layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200479082U CN201465641U (en) | 2009-08-21 | 2009-08-21 | Electric power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200479082U CN201465641U (en) | 2009-08-21 | 2009-08-21 | Electric power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201465641U true CN201465641U (en) | 2010-05-12 |
Family
ID=42392989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200479082U Expired - Fee Related CN201465641U (en) | 2009-08-21 | 2009-08-21 | Electric power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201465641U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629506A (en) * | 2011-02-04 | 2012-08-08 | 日立电线株式会社 | Three-conductor cable |
| CN102664066A (en) * | 2012-04-27 | 2012-09-12 | 江苏佳润电缆有限公司 | Novel power cable |
| CN104123980A (en) * | 2014-08-13 | 2014-10-29 | 安徽德源电缆集团有限公司 | Copper core polyethylene insulating control flexible cable |
| CN104867606A (en) * | 2015-06-10 | 2015-08-26 | 江苏省电力公司洪泽县供电公司 | Power cable with heat radiation performance |
| CN105108310A (en) * | 2015-09-10 | 2015-12-02 | 昆山斯格威电子科技有限公司 | Stirring friction point welding machine |
| DE102017105985A1 (en) * | 2017-03-21 | 2018-09-27 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Charging cable assembly |
-
2009
- 2009-08-21 CN CN2009200479082U patent/CN201465641U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629506A (en) * | 2011-02-04 | 2012-08-08 | 日立电线株式会社 | Three-conductor cable |
| CN102664066A (en) * | 2012-04-27 | 2012-09-12 | 江苏佳润电缆有限公司 | Novel power cable |
| CN104123980A (en) * | 2014-08-13 | 2014-10-29 | 安徽德源电缆集团有限公司 | Copper core polyethylene insulating control flexible cable |
| CN104867606A (en) * | 2015-06-10 | 2015-08-26 | 江苏省电力公司洪泽县供电公司 | Power cable with heat radiation performance |
| CN105108310A (en) * | 2015-09-10 | 2015-12-02 | 昆山斯格威电子科技有限公司 | Stirring friction point welding machine |
| DE102017105985A1 (en) * | 2017-03-21 | 2018-09-27 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Charging cable assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20100821 |