CN205247941U - Compound core doubly holds insulated cable - Google Patents
Compound core doubly holds insulated cable Download PDFInfo
- Publication number
- CN205247941U CN205247941U CN201520613793.4U CN201520613793U CN205247941U CN 205247941 U CN205247941 U CN 205247941U CN 201520613793 U CN201520613793 U CN 201520613793U CN 205247941 U CN205247941 U CN 205247941U
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- China
- Prior art keywords
- carbon fiber
- composite core
- core
- insulated cable
- conductor wire
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Abstract
The utility model provides a compound core doubly holds insulated cable, it includes that carbon fiber complex core stick, hinged to soft aluminium conductive core, the parcel outside this carbon fiber complex core stick is in the outer shielding layer of soft aluminium conductive core is in with the parcel the outer silane nature crosslinked polyethylene insulating layer of shielding layer. This compound core doubly holds insulated cable has design science, tensile ability reinforce, the dead weight is light, the conductivity is high, ageing resistance can good advantage.
Description
Technical field
The utility model relates to a cable, specifically, has related to a kind of composite core and has doubly held insulated cable.
Background technology
Existing cable, its core is steel core, in the time of built on stilts use, because steel core tensile strength is inadequate, conducts oneself with dignity heavier, causes construction of line sag to increase, and easily causes broken string. Meanwhile, owing to can producing thermal losses after steel core energising, increase line loss, current-carrying capacity reduces. In the time that provided underground is used, affected by environment larger, weak heat-dissipating under hot environment, has harmful effect to current-carrying capacity.
In order to solve the problem of above existence, people are seeking a kind of desirable technical solution always.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, thus provide a kind of design science, resistance to tension strong, doubly hold insulated cable from heavy and light, conductance is high, ageing resistace is good composite core.
To achieve these goals, the technical scheme that the utility model adopts is: a kind of composite core is doubly held insulated cable, comprises carbon fiber composite core rod, the soft aluminium conductor wire core outside this carbon fiber composite core rod of being hinged, is wrapped in the screen layer outside described soft aluminium conductor wire core and is wrapped in the silane natural-crosslinked polyethylene insulating barrier outside described screen layer.
Base the above, the rod shape body that described carbon fiber composite core rod is composited by aluminum fiber, carbon fiber and epoxy resin, the rod shape body that this can be composited by aluminum fiber, carbon fiber and epoxy resin according to its characteristic is defined as the compound rod shape of corrosion-resistant carbon fiber body.
Base the above, the density of described carbon fiber composite core rod is 1.9g/cm3, tensile strength requires as 2399Mpa.
Base the above, described soft aluminium conductor wire core is mixed by aluminum fiber and carbon fiber, wherein aluminum fiber accounting 40%, carbon fiber accounting 60%.
Composite core is doubly held a preparation method for insulated cable, comprises the following steps:
1), make carbon fiber composite core rod, get more than 90% carbon fibre material of phosphorus content and aluminum fiber and epoxy resin through carbonization treatment be combined into, aluminum fiber composite core rod;
2), make conductor wire core, use soft aluminum, be mixed by the ratio of aluminum fiber accounting 40%, carbon fiber accounting 60%;
3), conductor wire core is stranded on described carbon fiber composite core rod;
4), conductor wire core and carbon fiber composite core rod are carried out to tensile test and conductive test;
5), screen layer is wrapped on described conductor wire core;
6), make insulating barrier, adopt silane natural cross-linking polyethylene materials, under normal temperature state, completed natural-crosslinked through 24 hours;
7), be wrapped in outside screen layer disposable insulating barrier by extruding machine.
6, composite core according to claim 5 is doubly held the preparation method of insulated cable, it is characterized in that: in step 1), the density of described carbon fiber composite core rod is 1.9g/cm3, and tensile strength requires as 2399Mpa.
The relative prior art of the utility model has substantive distinguishing features and progress, specifically, the utility model adopts carbon fiber composite core rod, resistance to tension promotes, and owing to having adopted the combination of carbon fiber+aluminum fiber+epoxy resin, its deadweight is less than 1/4 of steel core again, alleviate weight, thereby sag is reduced, and resistance to tension promotes, and is difficult for broken string. In addition, adopted soft aluminium conductor wire core, the resistivity of soft aluminium is lower, and 20 DEG C of resistivity of conventional aluminium conductor wire core are 0.028264 Ω mm2/ km, 20 DEG C of the resistivity of soft aluminium conductor wire core are 0.027400 Ω mm2/ km, for improving current-carrying capacity, reaches the effect of doubly holding. Silane natural-crosslinked polyethylene insulating barrier can strengthen the ageing resistance of cable, and the combination of above structure has promoted the performance of this cable on the whole, from heavy and light, conductance is high, resistance to tension is strong, antiageing effect is good.
Make the method for this cable, specifically, successively by each layer of combination, after soft aluminium conductor wire core is stranded in carbon fiber composite core rod, carry out tensile test from the inside to the outside, mainly detect the resistance to tension of carbon fiber composite core rod and soft aluminium conductor wire core, carry out conductive test, check electric conductivity, find in time wrong and repair, and then parcel screen layer and insulating barrier, ensure end product quality, yields is improved.
The method design science, step is simple, produce efficient, quality of finished product good.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure: 1. carbon fiber composite core rod; 2. soft aluminium conductor wire core; 3. screen layer; 4. silane natural-crosslinked polyethylene insulating barrier.
Detailed description of the invention
Below by detailed description of the invention, the technical solution of the utility model is described in further detail.
As shown in Figure 1, a kind of composite core is doubly held insulated cable, comprise carbon fiber composite core rod 1, the soft aluminium conductor wire core 2 outside this carbon fiber composite core rod 1 of being hinged, be wrapped in the screen layer 3 outside described soft aluminium conductor wire core 2 and be wrapped in the silane natural-crosslinked polyethylene insulating barrier 4 outside described screen layer 3, described carbon fiber composite core rod 1 is composited by aluminum fiber, carbon fiber and epoxy resin, the density of described carbon fiber composite core rod 1 is 1.9g/cm3, and tensile strength requires as 2399Mpa. Described soft aluminium conductor wire core 2 is mixed by aluminum fiber and carbon fiber, wherein aluminum fiber accounting 40%, carbon fiber accounting 60%. Owing to having adopted carbon fiber composite core rod 1 to replace the cable wire load bearing core in former steel-cored aluminium strand, alleviate the tensile strength of deadweight, minimizing thermal losses, enhancing cable. Adopt soft aluminium conductor wire core, promoted conductance, 20 DEG C of resistivity of conventional aluminium conductor wire core are 0.028264 Ω mm2/ km, 20 DEG C of the resistivity of soft aluminium conductor wire core are 0.027400 Ω mm2/ km, for improving current-carrying capacity, reaches the effect of doubly holding. Adopt crosslinked with silicane production technology, on cable extruding machine, once property completes. Be used for strengthening cable insulation and ageing resistace.
Composite core is doubly held a preparation method for insulated cable, comprises the following steps:
1), make carbon fiber composite core rod, get more than 90% carbon fibre material of phosphorus content and aluminum fiber and epoxy resin through carbonization treatment be combined into, aluminum fiber composite core rod, the carbon fiber composite core rod being made into is placed on streamline for subsequent use;
2), make conductor wire core, use soft aluminum, be mixed by the ratio of aluminum fiber accounting 40%, carbon fiber accounting 60%;
3), conductor wire core is stranded on described carbon fiber composite core rod;
4), conductor wire core and carbon fiber composite core rod are carried out to tensile test and conductive test, if test is not passed through, this section is checked, and repair, if by detection, enter down program one;
5), screen layer is wrapped on described conductor wire core;
6), make insulating barrier, adopt silane natural cross-linking polyethylene materials, under normal temperature state, completed natural-crosslinked through 24 hours;
7), be wrapped in outside screen layer disposable insulating barrier by extruding machine.
In step 1), the density of described carbon fiber composite core rod is 1.9g/cm3, and tensile strength requires as 2399Mpa, to reach from heavy and light, and the object that resistance to tension is strong.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement detailed description of the invention of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (2)
1. composite core is doubly held an insulated cable, it is characterized in that: comprise carbon fiber composite core rod, the soft aluminium conductor wire core outside this carbon fiber composite core rod of being hinged, be wrapped in the screen layer outside described soft aluminium conductor wire core and be wrapped in the silane natural-crosslinked polyethylene insulating barrier outside described screen layer.
2. composite core according to claim 1 is doubly held insulated cable, it is characterized in that: described carbon fiber composite core rod is the compound rod shape of corrosion-resistant carbon fiber body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520613793.4U CN205247941U (en) | 2015-08-14 | 2015-08-14 | Compound core doubly holds insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520613793.4U CN205247941U (en) | 2015-08-14 | 2015-08-14 | Compound core doubly holds insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205247941U true CN205247941U (en) | 2016-05-18 |
Family
ID=55947023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520613793.4U Expired - Fee Related CN205247941U (en) | 2015-08-14 | 2015-08-14 | Compound core doubly holds insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205247941U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047284A (en) * | 2015-08-14 | 2015-11-11 | 河南开启电力实业有限公司 | Composite core capacitance-multiplication insulated cable and manufacturing method thereof |
| CN106373641A (en) * | 2016-11-12 | 2017-02-01 | 河南开启电力实业有限公司 | Double-capacity electric cable and manufacture method therefor |
-
2015
- 2015-08-14 CN CN201520613793.4U patent/CN205247941U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047284A (en) * | 2015-08-14 | 2015-11-11 | 河南开启电力实业有限公司 | Composite core capacitance-multiplication insulated cable and manufacturing method thereof |
| CN106373641A (en) * | 2016-11-12 | 2017-02-01 | 河南开启电力实业有限公司 | Double-capacity electric cable and manufacture method therefor |
| CN106373641B (en) * | 2016-11-12 | 2017-12-05 | 河南开启电力实业有限公司 | Times bulky cables and preparation method thereof |
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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: 20160518 Termination date: 20170814 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |