CN2624358Y - Self-supporting aerial insulated cable - Google Patents
Self-supporting aerial insulated cable Download PDFInfo
- Publication number
- CN2624358Y CN2624358Y CN 03249215 CN03249215U CN2624358Y CN 2624358 Y CN2624358 Y CN 2624358Y CN 03249215 CN03249215 CN 03249215 CN 03249215 U CN03249215 U CN 03249215U CN 2624358 Y CN2624358 Y CN 2624358Y
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- conductor lines
- insulated cable
- coated
- insulating barrier
- bearing
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Abstract
The utility model discloses a self-supporting type aerial insulation cable for realizing the erecting of cable without the forest cutting and electric shock free, which is a stranded conductor line cladded with an insulation layer or a sheath layer, and a shielding layer, and a load-bearing wire arranged at the center, which is suitable for the different tensile strength and electrical insulation strength under different voltage level. The utility model is used not only as a single-core cable, but also used as different sizes of multi-core cable on the straight electric poles. Compared with the conventional bare conductor line, a 380/220 LV power line erected with the utility model can save the project construction cost 3 to 16 per cent, the energy can be greatly saved in operation, the running and maintenance cost can be saved about 50 per cent. The cable is suitable for urban and rural industrial enterprises of the north and south parts in our country, plain, hilly, and mountainous areas, and is a new product for HV and LV grid to realize the insulation and ecological environmental protection, with widely application.
Description
Technical field:
The utility model relates to the lead that electric power system delivery electric line is used, in fact it is a kind of from the bearing-type aerial insulated cable, be specially adapted to the insulating transformation and the construction of urban and rural power grids and industrial and mining enterprises' delivery electric line, can satisfy different terrain, DIFFERENT METEOROLOGICAL CONDITIONS, different electric pressure, different insulative intensity, different tensile strength and the specification requirement in different useful lifes.
Background technology:
Electric power has promoted human existence and development for the growth and the improving constantly of living standards of the people of nation-building, national economy provide powerful energy safeguard.But for a long time; the power circuit that adopts traditional plain conductor to set up has caused get an electric shock and die accident and a large amount of forest-trees in the safe operation passage of the person in successive years to be cut down; this is totally unfavorable to the vegetation of preserving our planet, protection human ecological environment, brings serious threat for human existence and development.The phenomenon of interim hook transgression for using electricity of peasant or stealing also often takes place in the development that restricting urban construction transformation and afforestation undertaking to some extent of plain conductor power circuit on the other hand, and this has become the major hidden danger of safety for electricity consumption.For overcoming the safety problem and the problem of preserving the ecological environment that adopts the built on stilts power circuit of plain conductor to exist, the measure that can take mainly contains: the one, realize the urban distribution network cableization, but, can only in large-and-medium size cities with good conditionsi, partly implement selectively because fund input is huge and problem that relate in construction is various; Next is to realize the rural power grids insulating, promptly adopts the lead of high insulation level to replace traditional plain conductor, the reform powering mode.According to incompletely statistics, the present 10kV high-tension distributing line of China accounts for 10% of national high-low pressure power circuit total length, 0.4kV low-voltage distributing line accounts for about 81%, its length has millions of kilometers, and the emphasis of distribution insulating is at the high-low pressure power circuit of 0.4kV～10kV.China's electric power system is in the begin one's study insulating problem of 0.4kV low voltage electric network of phase later 1990s, its Related product is found to have following defective in the construction practice: tensile strength is lower, use the length of span and strain section to be subjected to great restriction, can not satisfy vast mountain region and knob instructions for use in China; And bundled insulated conductors can't carry out branch and connect on straight line pole in installation process, take technical measures for this reason and project cost is increased considerably, owing to many reasons such as technical-economic index is relatively poor, cause this insulated conductor very difficult on applying.
Summary of the invention:
The utility model be propose a kind ofly have stable safe insulation performance on the basis of existing technology, and the dielectric strength that can satisfy different electric pressures requires, tensile strength is available, design and construction span and strain section length are unrestricted, can carry out on straight line pole that branch connects from the bearing-type aerial insulated cable.It has modern design, simple in structure, easy to manufacture, production cost is low, installation is simple and direct, reduce project cost, safe and reliable to operation, be essentially advantage such as non-maintaining; Can realize the stringing not disafforestation trees of powering; protect human ecological environment effectively; its insulation protection measure is perfect; do not threaten personal safety; can realize " electric natural person " whole harmonious coexistence, help changing traditional electric network composition pattern, improve power supply quality, reduce line loss and saves energy.It is achieved by the following technical solution: the utility model proposes from the bearing-type aerial insulated cable, it is the strands conductor lines that is uniformly coated with insulating barrier, it is characterized in that: the center in the strands conductor lines is provided with lifting-line.During manufacturing, at first be to have certain tensile strength at one, can bear around the circumference of lifting-line of certain mechanical load, closely constitute the naked core line around cloth strands conductor lines, get final product at the even coated insulation layer of the outer surface of naked core line again, bear its mechanical load by the lifting-line that is positioned at the insulated cable center in the installation and operation.
For adapting to electric insulation intensity, different tensile strength and the specification requirement in different useful lifes in different electrical network standards, different service condition, different filthy areas, the utility model also has following technical characterictic, can be made into multiple model, plurality of specifications from bearing-type aerial insulated cable series of products:
Outer surface at insulating barrier also is uniformly coated with restrictive coating, constitute restrictive coating from bearing-type aerial insulated cable product, restrictive coating can protect insulating barrier not to be subjected to mechanical failure well, can guarantee the insulation property of insulating barrier effectively.
Between strands conductor lines and insulating barrier, also be coated with conductor shield, also be coated with insulation screen at the outer surface of insulating barrier, constitute multilayer insulation compages with function of shielding from bearing-type aerial insulated cable product.
Outer surface at insulation screen also can evenly coat restrictive coating again, and the multilayer insulation compages are had good protective effect.
Be evenly distributed with 2～5 strands conductor lines that are coated with insulating barrier on every side an outer circumference that is coated with the strands conductor lines of insulating barrier, by insulating barrier and muscle each core strands conductor lines is linked into an integrated entity, constitute with one heart all products of the combining structure of the multicore insulated cable of distance.
Be evenly distributed with 2～5 strands conductor lines that are coated with restrictive coating on every side an outer circumference that is coated with the strands conductor lines of restrictive coating; by restrictive coating and muscle each core strands conductor lines is linked into an integrated entity; constitute sheath with one heart all apart from the product of the combining structure of multicore insulated cable; restrictive coating can protect insulating barrier not to be damaged, and can improve the insulation property of product effectively.
In a side of a strands conductor lines that is coated with insulating barrier and be placed with 1～5 strands conductor lines that is coated with insulating barrier, by insulating barrier and muscle with the link into an integrated entity product of the combining structure side by side that constitutes the multicore insulated cable of each core strands conductor lines.
In a side of a strands conductor that is coated with restrictive coating and be placed with 1～5 strands conductor lines that is coated with restrictive coating, by restrictive coating and muscle each core stranded wire body being fused constitutes multicore insulated cable that multicore has sheath combining structure product side by side.
The material of lifting-line can be used with strands conductor lines identical materials and make, and is convenient simple and direct when selection and manufacturing.
Insulating barrier can be made two-layer composite construction to five layers, improves security performance greatly.
By the technical scheme that the utility model proposes, but production plurality of specifications model from bearing-type aerial insulated cable series of products, both can make single-core cable and use separately, the cable of the multicore structure of the various models of one-tenth also capable of being combined uses.The multicore structure cable is symmetric arrays structurally, and geometric mean distance is little, and line reactance is little, and the idle component of current supply loss reduces significantly, can reduce line loss greatly, effectively improves the quality of transmission of electric energy, guarantees the fail safe and the reliability of power supply.The mechanical bearing capacity from bearing-type aerial insulated cable itself that the utility model proposes is selectable, in design and construction, can determine to use span and strain section length by requirement of engineering fully, and can not be restricted because of the product reason, can also on straight line pole, carry out branch's connection easily and multiple mounting means is arranged, all can install and use in the vast mountain region of China, hills and plains region and town and country industrial and mining enterprises.
Description of drawings:
Fig. 1 is a cross-sectional configuration schematic diagram of the present utility model;
Fig. 2 is single core insulation construction of cable schematic diagram that restrictive coating is arranged;
Fig. 3 is single core insulation construction of cable schematic diagram of no restrictive coating;
Fig. 4 has the four-core insulated cable of restrictive coating with one heart all apart from the combining structure schematic diagram;
Fig. 5 is that the four-core insulated cable of no restrictive coating is with one heart all apart from the combining structure schematic diagram;
Fig. 6 is the two core insulation cables combining structure schematic diagram side by side that restrictive coating arranged;
Fig. 7 is the two core insulation cables combining structure schematic diagram side by side of no restrictive coating;
Fig. 8 is the four-core insulated cable combining structure schematic diagram side by side that restrictive coating arranged;
Fig. 9 is the four-core insulated cable combining structure schematic diagram side by side of no restrictive coating.
Embodiment:
The utility model proposes from the bearing-type aerial insulated cable, it is the strands conductor lines 1 that is uniformly coated with insulating barrier 3, be provided with lifting-line 2 at the center of strands conductor lines 1, it is to make like this, at first be to have certain tensile strength at one, can bear around the circumference of lifting-line 2 of certain mechanical load, closely constitute the naked core line around cloth strands conductor lines 1, again the even coated insulation layer 3 of the outer surface of naked core line can constitute single core from bearing-type aerial insulated cable product, can set up separately and install and use, in the installation and operation process, bear its mechanical load by lifting-line 2.
Also can evenly coat restrictive coating 5 at the outer surface of insulating barrier 3, constitute restrictive coating 5 from bearing-type aerial insulated cable product, restrictive coating 5 can protect insulating barrier 3 not to be subjected to mechanical failure well, can effectively improve insulation property.
Between strands conductor lines 1 and insulating barrier 3, also be coated with conductor shield 6, outer surface at insulating barrier 3 also is coated with insulation screen 4, constitute multilayer insulation compages with function of shielding from bearing-type aerial insulated cable product, be particularly suitable for the occasion that insulation property have relatively high expectations and install and use.
Outer surface at the insulation screen 4 with multilayer insulation compages also can evenly coat restrictive coating 5, can protect the multilayer insulation compages effectively, further improves insulation property.
The three strands conductor lines 1 that are coated with insulating barrier 3 that evenly distribute around the outer circumference of a strands conductor lines 1 that is coated with insulating barrier 3, by insulating barrier 3 and muscle 7 each core strands conductor lines 1 being linked into an integrated entity constitutes with one heart all combining structure products of the four-core insulated cable of distance.
The even on every side three strands conductor lines 1 that are coated with restrictive coating 5 that distribute of outer circumference that are coated with the strands conductor lines 1 of restrictive coating 5; by restrictive coating 5 and muscle 7 with each core strands conductor lines 1 link into an integrated entity constitute sheath with one heart all apart from the combining structure product of four-core insulated cable; restrictive coating 5 can protect insulating barrier 3 not to be damaged, and can improve the insulation property of product effectively.
In a side of a strands conductor lines 1 that is coated with insulating barrier 3 and be placed with three strands conductor lines 1 that are coated with insulating barrier 3, the product of combining structure side by side that each core strands conductor lines 1 is linked into an integrated entity and constitutes the four-core insulated cable by insulating barrier 3 and muscle 7.
In a side of a strands conductor lines 1 that is coated with restrictive coating 5 and be placed with three strands conductor lines 1 that are coated with restrictive coating 5, by restrictive coating 5 and muscle 7 with the link into an integrated entity product of combining structure side by side of the four-core insulated cable that constitutes sheath of each core strands conductor lines 1.
When manufacturing: lifting-line 2 also can directly adopt strands conductor lines 1 identical materials to make, that is to say, center in strands conductor lines 1 is not provided with the lifting-line with carrying effect, outer surface coated insulation layer 3 and restrictive coating 5 in strands conductor lines 1 gets final product again, also insulating barrier 3 can be made two-layer MULTILAYER COMPOSITE insulation system to five layers.
Select to use for the user from bearing-type aerial insulated cable series of products by single core of the foregoing description one-tenth all size capable of being combined, various models or multicore.
Claims (10)
1, a kind of from the bearing-type aerial insulated cable, it is the strands conductor lines (1) that is uniformly coated with insulating barrier (3), it is characterized in that: be provided with lifting-line (2) at the center of strands conductor lines (1).
2, according to claim 1 from the bearing-type aerial insulated cable, it is characterized in that: the outer surface at insulating barrier (3) is uniformly coated with restrictive coating (5).
3, according to claim 1 from the bearing-type aerial insulated cable, it is characterized in that: between strands conductor lines (1) and insulating barrier (3), also be coated with conductor shield (6), also be coated with insulation screen (4) at the outer surface of insulating barrier (3).
4, according to claim 3 from the bearing-type aerial insulated cable, it is characterized in that: the outer surface at insulation screen (4) is uniformly coated with restrictive coating (5).
5, according to claim 1 from the bearing-type aerial insulated cable, it is characterized in that: be evenly distributed with 2～5 strands conductor lines (1) that are coated with insulating barrier (3) on every side an outer circumference that is coated with the strands conductor lines (1) of insulating barrier (3), by insulating barrier (3) and muscle (7) each core strands conductor lines (1) being linked into an integrated entity constitutes with one heart all combining structures of the multicore insulated cable of distance.
6, according to claim 2 from the bearing-type aerial insulated cable, it is characterized in that: around the outer circumference of a strands conductor lines (1) that is coated with restrictive coating (5), be evenly distributed with 2～5 strands conductor lines (1) that are coated with restrictive coating (5), by restrictive coating (5) and muscle (7) with each core strands conductor lines (1) link into an integrated entity and constitute sheath concentric all apart from the combining structure of multicore insulated cable.
7, according to claim 1 from the bearing-type aerial insulated cable, it is characterized in that: in a side of a strands conductor lines (1) that is coated with insulating barrier (3) and be placed with 1～5 strands conductor lines (1) that is coated with insulating barrier (3), by insulating barrier (3) and muscle (7) each core strands conductor lines (1) being linked into an integrated entity constitutes the combining structure side by side of multicore insulated cable.
8, according to claim 2 from the bearing-type aerial insulated cable, it is characterized in that: in a side of a strands conductor lines (1) that is coated with restrictive coating (5) and be placed with 1～5 strands conductor lines (1) that is coated with restrictive coating (5), by restrictive coating (5) and muscle (7) with the link into an integrated entity combining structure side by side of the multicore insulated cable that constitutes sheath of each core strands conductor lines (1).
9, according to claim 1 from the bearing-type aerial insulated cable, it is characterized in that: the material of lifting-line (2) is identical with strands conductor lines (1).
10, according to claim 1 or 3 described from the bearing-type aerial insulated cable, it is characterized in that: the material of lifting-line (2) is identical with strands conductor lines (1), and insulating barrier (3) is two-layer to five layers of composite insulation structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03249215 CN2624358Y (en) | 2003-06-26 | 2003-06-26 | Self-supporting aerial insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03249215 CN2624358Y (en) | 2003-06-26 | 2003-06-26 | Self-supporting aerial insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2624358Y true CN2624358Y (en) | 2004-07-07 |
Family
ID=34252622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03249215 Expired - Fee Related CN2624358Y (en) | 2003-06-26 | 2003-06-26 | Self-supporting aerial insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2624358Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101573845B (en) * | 2006-12-28 | 2013-01-02 | 3M创新有限公司 | Overhead electrical power transmission line |
| CN104505163A (en) * | 2014-12-22 | 2015-04-08 | 河北华通线缆集团有限公司 | Compact composite conductor overhead composite cable and production process for same |
| CN105405513A (en) * | 2015-12-08 | 2016-03-16 | 江苏荣宜电缆有限公司 | Self-bearing tensile wind energy power cable |
| CN105551634A (en) * | 2015-12-08 | 2016-05-04 | 江苏荣宜电缆有限公司 | Self-bearing anti-tension optical fiber composite cable |
-
2003
- 2003-06-26 CN CN 03249215 patent/CN2624358Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101573845B (en) * | 2006-12-28 | 2013-01-02 | 3M创新有限公司 | Overhead electrical power transmission line |
| CN104505163A (en) * | 2014-12-22 | 2015-04-08 | 河北华通线缆集团有限公司 | Compact composite conductor overhead composite cable and production process for same |
| CN105405513A (en) * | 2015-12-08 | 2016-03-16 | 江苏荣宜电缆有限公司 | Self-bearing tensile wind energy power cable |
| CN105551634A (en) * | 2015-12-08 | 2016-05-04 | 江苏荣宜电缆有限公司 | Self-bearing anti-tension optical fiber composite cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |