CN103794283A - Light power cable - Google Patents
Light power cable Download PDFInfo
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- CN103794283A CN103794283A CN201410028359.XA CN201410028359A CN103794283A CN 103794283 A CN103794283 A CN 103794283A CN 201410028359 A CN201410028359 A CN 201410028359A CN 103794283 A CN103794283 A CN 103794283A
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- electric power
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Abstract
The invention discloses a light power cable. The light power cable comprises three power transmission wires, wherein a communication optical fiber is arranged in a pore space jointly formed by the three power transmission wires, a plurality of power transmission auxiliary wires are arranged in a pore space formed among the three power transmission wires, a protective sheath is arranged on the periphery of a shielding layer, and a plurality of tensile ropes which extend in the length direction of the cable and are composed of cellosilk are arranged in the protective sheath. Each power transmission wire comprises an aluminum wire core located at the center and copper wires tightly wrapping the aluminum wire core, and the copper wires tightly wrap the aluminum wire core in a tight winding mode. The shielding layer comprises an aluminum sheath, a first copper wire woven mesh and a second copper wire woven mesh, wherein the first copper wire woven mesh and the second copper wire woven mesh are tightly attached to the aluminum sheath from two sides of the aluminum sheath, are formed by weaving the thin copper wires, and are tightly attached to the aluminum sheath in a stranding mode. The light power cable is simple in structure, high in mechanical strength and high in power transmission capacity, and metal materials are easy to recycle.
Description
Technical field
The present invention relates to power cable technical field, relate in particular to a kind of light power cable and control method thereof.
Background technology
Because China's economy grows continuously and fast, cause supply of electric power very nervous, cause power infrastructures investment construction climax.At present, in electric power system, the general power cable that adopts is as electric power transfer part, in conventional electric power cable, general copper conductor or the aluminium conductor of adopting carries out electric power transfer, and wherein, the electric power transfer performance of copper conductor is better than aluminium conductor, but, China is the country of copper resource shortage, along with the cumulative year after year of cable copper consumption, causes copper valency fast rise.In order to reduce the consumption of copper, in prior art, extensively adopt copper-clad aluminum conductor or copper covered steel to replace pure copper wire, copper-clad aluminum conductor possesses the conductivity of copper and the little compound advantage of the density of aluminium simultaneously, and copper covered steel wire is by together with the high strength bond of the conductivity of copper and steel.But copper-clad aluminum conductor, copper covered steel wire exist copper aluminium, copper steel not easily separated, cause recycling difficulty, cause the significant wastage of resource.
Summary of the invention
In order to solve the technical problem existing in background technology, the present invention proposes a kind of light power cable, realize the optimization to power cable structure, it is simple in structure, and metal material is easy to reclaim, and mechanical strength is high and power transmission capacity is strong.
A kind of light power cable that the present invention proposes, comprise three electric power transmission leads, the axis axis distribution triangular in shape of above-mentioned three electric power transmission leads, in three common interstitial spaces that form of electric power transmission lead, be provided with telecommunication optical fiber, in the interstitial space forming between three electric power transmission leads, be provided with some electric power transfer pilot wires, electric power transmission lead and electric power transfer pilot wire are rolled into thread like body by polymeric material, the periphery of above-mentioned thread like body is provided with screen, the periphery of screen is provided with protection overcoat, in protection overcoat, be provided with the some tension ropes that formed by filament that extend along cable length direction, electric power transmission lead comprises the aluminium wire core that is positioned at heart portion and the copper wire that closely wraps up aluminium wire core, and copper wire closely wraps up aluminium wire core by the mode of tight winding, screen comprises aluminium cover and from aluminium cover both sides close attachment in the first proof copper-wire braided net and the second proof copper-wire braided net of aluminium cover, the first proof copper-wire braided net, the second proof copper-wire braided net are that thin copper wire braiding forms and puts in aluminium by stranded mode close attachment.
Preferably, the quantity of electric power transfer pilot wire is 4.
Preferably, aluminium wire core forms by multiple aluminium wire is stranded.
Preferably, tension rope is arranged in protection overcoat near screen one side.
Preferably, the quantity of tension rope is 4, and the line that closes on two tension ropes and cable geometric center is 90 °.
In the present invention, adopt the axis axis of three electric power transmission leads three electric power transmission leads to be set to distribution triangular in shape, thereby utilize triangle stability principle, three electric power transmission leads are difficult for mobile, can effectively promote the mechanical strength of cable, and can protect the telecommunication optical fiber that is arranged in the common interstitial space forming of three electric power transmission leads, electric power transmission lead adopts copper wire closely to wrap up aluminium wire core and forms, can be on the basis of the good conductivity of maintenance, utilize the advantage that aluminum steel density is little, reduce the weight of cable, by the tension rope being made up of filament being set in protection overcoat, can promote the tensile strength of cable, electric power transfer pilot wire is set in the interstitial space forming between three electric power transmission leads, can be according to actual conditions, select different electric power transfer patterns: 1, in the time that cable uses as three phase mains cable, using three electric power transmission leads as three-phase conductor, respectively as live wire, zero line and earth connection, 2, in the time that cable uses as single phase poaer supply cable, two electric power transmission leads are communicated with in joint and form parallel line, meanwhile, all electric power transfer pilot wires and another root electric power transmission lead are communicated with to formation parallel line in joint, thereby can promote the ampacity of electric power transfer, in electric power transmission lead, copper wire closely wraps up aluminium wire core, in screen, the project organization that the first proof copper-wire braided net and the second proof copper-wire braided net close attachment put in aluminium, make in the time carrying out cable recovery, after protection overcoat and polymeric material are wiped out, can be easily that proof copper-wire braided net, aluminium cover, copper wire, aluminium wire core is separated from one another, be beneficial to recycling.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of light power cable of proposing of the present invention.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of light power cable of proposing of the present invention.
With reference to Fig. 1, a kind of light power cable that the present invention proposes, comprise three electric power transmission leads 1, the axis axis distribution triangular in shape of above-mentioned three electric power transmission leads 1, in three common interstitial spaces that form of electric power transmission lead 1, be provided with telecommunication optical fiber 7, in the interstitial space forming between three electric power transmission leads 1, be provided with some electric power transfer pilot wires 2, electric power transmission lead 1 is rolled into thread like body with electric power transfer pilot wire 2 by polymeric material 3, the periphery of above-mentioned thread like body is provided with screen 4, the periphery of screen 4 is provided with protection overcoat 5, in protection overcoat 5, be provided with the some tension ropes 6 that formed by filament that extend along cable length direction, electric power transmission lead 1 comprises the aluminium wire core 11 that is positioned at heart portion and the copper wire 12 that closely wraps up aluminium wire core 11, and copper wire 12 closely wraps up aluminium wire core 11 by the mode of tight winding, and wherein, aluminium wire core 11 forms by multiple aluminium wire is stranded, screen 4 comprises aluminium cover 42 and overlaps 42 both sides close attachment from aluminium and forms and overlap on 42 in aluminium by stranded mode close attachment for thin copper wire braiding in the first proof copper-wire braided net 41 of aluminium cover 42 and the second proof copper-wire braided net 43, the first proof copper-wire braided nets 41, the second proof copper-wire braided net 43.
In technique scheme, adopt the axis axis of three electric power transmission leads 1 three electric power transmission leads 1 to be set to distribution triangular in shape, thereby utilize triangle stability principle, three electric power transmission leads 1 are difficult for mobile, can effectively promote the mechanical strength of cable, and can protect the telecommunication optical fiber 7 that is arranged in three electric power transmission leads, the 1 common interstitial space forming, electric power transmission lead 1 adopts copper wire 12 closely to wrap up aluminium wire core 11 and forms, can be on the basis of the good conductivity of maintenance, utilize the advantage that aluminum steel density is little, reduce the weight of cable, by the tension rope 6 being made up of filament being set in protection overcoat 5, can promote the tensile strength of cable, in the interstitial space forming, electric power transfer pilot wire 2 is set between three electric power transmission leads 1, can be according to actual conditions, select different electric power transfer patterns: 1, in the time that cable uses as three phase mains cable, using three electric power transmission leads 1 as three-phase conductor, respectively as live wire, zero line and earth connection, 2, in the time that cable uses as single phase poaer supply cable, two electric power transmission leads 1 are communicated with in joint and form parallel line, simultaneously, all electric power transfer pilot wires 2 and another root electric power transmission lead 1 are communicated with to formation parallel line in joint, thereby can promote the ampacity of electric power transfer, in electric power transmission lead 1, copper wire 12 is parcel aluminium wire core 11 closely, in screen 4, the first proof copper-wire braided net 41 and the second proof copper-wire braided net 43 close attachment project organization on aluminium cover 42, make in the time carrying out cable recovery, after protection overcoat 5 and polymeric material 3 are wiped out, can be easily that the first proof copper-wire braided net 41, aluminium cover 42, the second proof copper-wire braided net 43, copper wire 12, aluminium wire core 11 is separated from one another, be beneficial to recycling.
In specific design process, the quantity of electric power transfer pilot wire 2 is 3.
Under above-mentioned improvement design, the quantity of electric power transfer pilot wire 2 is designed to 3, can additionally obtain more electric power transfer patterns: 1, in the time that cable uses as three phase mains cable and needs less ampacity, select three electric power transfer pilot wires 2 as three-phase conductor, respectively as live wire, zero line and earth connection; 2,, in the time that cable uses as single phase poaer supply cable and needs less ampacity, can select two electric power transfer pilot wires 2 as live wire, zero line; Therefore, can further refinement electric power transfer pattern, improve the applicability under complicated instructions for use.
In specific design process, tension rope 6 is arranged in protection overcoat near screen 4 one sides.
Under above-mentioned improvement design, can prevent the impact on the wear-resisting effect of protection overcoat, and can play the effect of warning to the wearing and tearing of protection overcoat.
In specific design process, the quantity of tension rope 6 is 4, and the line that closes on two tension ropes 6 and cable geometric center is 90 °.
Under above-mentioned improvement design, tension rope 6, under this distribution mode, can more effectively play a role.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
Claims (5)
1. a light power cable, it is characterized in that, comprise three electric power transmission leads (1), the axis axis distribution triangular in shape of above-mentioned three electric power transmission leads (1), in the common interstitial space forming of three electric power transmission leads (1), be provided with telecommunication optical fiber (7), in the interstitial space forming between three electric power transmission leads (1), be provided with some electric power transfer pilot wires (2), electric power transmission lead (1) is rolled into thread like body with electric power transfer pilot wire (2) by polymeric material (3), the periphery of above-mentioned thread like body is provided with screen (4), the periphery of screen (4) is provided with protection overcoat (5), in protection overcoat (5), be provided with the some tension ropes (6) that formed by filament that extend along cable length direction, electric power transmission lead (1) comprises the aluminium wire core (11) that is positioned at heart portion and the copper wire (12) that closely wraps up aluminium wire core (11), and copper wire (12) closely wraps up aluminium wire core (11) by the mode of tight winding, screen (4) comprises aluminium cover (42) and the first proof copper-wire braided net (41) from aluminium cover (42) both sides close attachment in aluminium cover (42) and the second proof copper-wire braided net (43), the first proof copper-wire braided net (41), the second proof copper-wire braided net (43) for thin copper wire (12) braiding form and by stranded mode close attachment on aluminium cover (42).
2. light power cable according to claim 1, is characterized in that, the quantity of electric power transfer pilot wire (2) is 3.
3. light power cable according to claim 1, is characterized in that, aluminium wire core (11) forms by multiple aluminium wire is stranded.
4. light power cable according to claim 1, is characterized in that, tension rope (6) is arranged in protection overcoat (5) near screen one side.
5. according to the light power cable described in claim 1 or 4, it is characterized in that, the quantity of tension rope (6) is 4, and the line that closes on two tension ropes (6) and cable geometric center is 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410028359.XA CN103794283B (en) | 2014-01-21 | 2014-01-21 | A kind of light power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410028359.XA CN103794283B (en) | 2014-01-21 | 2014-01-21 | A kind of light power cable |
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| Publication Number | Publication Date |
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| CN103794283A true CN103794283A (en) | 2014-05-14 |
| CN103794283B CN103794283B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410028359.XA Active CN103794283B (en) | 2014-01-21 | 2014-01-21 | A kind of light power cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551641A (en) * | 2016-02-25 | 2016-05-04 | 杨攀 | Durable power cable |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2454685A1 (en) * | 1973-12-18 | 1975-06-19 | Schweizerische Isolawerke | ELECTRIC CABLE WITH STRAIN RELIEF |
| US20030168229A1 (en) * | 2002-03-05 | 2003-09-11 | Whidden Robert H. | Method of transmitting electrical power |
| CN101499330A (en) * | 2008-02-01 | 2009-08-05 | 普拉德研究及开发股份有限公司 | Cable |
| CN201408598Y (en) * | 2009-03-27 | 2010-02-17 | 武汉市黄鹤电线电缆一厂 | Copper-aluminum combined power cable |
| CN201527844U (en) * | 2009-10-23 | 2010-07-14 | 安徽太平洋电缆集团有限公司 | Novel high-temperature resistant and high-performance compensation cable |
| CN101930815A (en) * | 2010-09-14 | 2010-12-29 | 湖南金杯电缆有限公司 | Environmental-friendly bimetallic conductor core power cable |
| CN203150302U (en) * | 2013-03-31 | 2013-08-21 | 励云宽 | Assembled oil-filled cable for spaceflight |
| CN203150256U (en) * | 2013-03-26 | 2013-08-21 | 励云宽 | High-strength composite cable for crane |
| CN203787182U (en) * | 2014-01-21 | 2014-08-20 | 安徽国华电缆集团有限公司 | Light-duty power cable |
-
2014
- 2014-01-21 CN CN201410028359.XA patent/CN103794283B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2454685A1 (en) * | 1973-12-18 | 1975-06-19 | Schweizerische Isolawerke | ELECTRIC CABLE WITH STRAIN RELIEF |
| US20030168229A1 (en) * | 2002-03-05 | 2003-09-11 | Whidden Robert H. | Method of transmitting electrical power |
| CN101499330A (en) * | 2008-02-01 | 2009-08-05 | 普拉德研究及开发股份有限公司 | Cable |
| CN201408598Y (en) * | 2009-03-27 | 2010-02-17 | 武汉市黄鹤电线电缆一厂 | Copper-aluminum combined power cable |
| CN201527844U (en) * | 2009-10-23 | 2010-07-14 | 安徽太平洋电缆集团有限公司 | Novel high-temperature resistant and high-performance compensation cable |
| CN101930815A (en) * | 2010-09-14 | 2010-12-29 | 湖南金杯电缆有限公司 | Environmental-friendly bimetallic conductor core power cable |
| CN203150256U (en) * | 2013-03-26 | 2013-08-21 | 励云宽 | High-strength composite cable for crane |
| CN203150302U (en) * | 2013-03-31 | 2013-08-21 | 励云宽 | Assembled oil-filled cable for spaceflight |
| CN203787182U (en) * | 2014-01-21 | 2014-08-20 | 安徽国华电缆集团有限公司 | Light-duty power cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551641A (en) * | 2016-02-25 | 2016-05-04 | 杨攀 | Durable power cable |
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| Publication number | Publication date |
|---|---|
| CN103794283B (en) | 2016-06-08 |
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Effective date of registration: 20191122 Address after: No. 383, Dongxi team, Xinjian village, jiaoganghu Town, Fengtai County, Huainan City, Anhui Province Patentee after: Dong Qiongqiong Address before: 238339 Anhui city of Wuhu province Wuwei County Gaogou Industrial Park Patentee before: ANHUI GUOHUA CABLE GROUP CO., LTD. |
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Effective date of registration: 20191212 Address after: 239300 Anhui city of Chuzhou province Tianchang Xicheng District Tiankang Avenue Patentee after: ANHUI RUILAIER INSTRUMENT CO., LTD. Address before: No. 383, Dongxi team, Xinjian village, jiaoganghu Town, Fengtai County, Huainan City, Anhui Province Patentee before: Dong Qiongqiong |