CN201185096Y - Cuprum-packing-aluminum five-core flame-proof flexible cable - Google Patents
Cuprum-packing-aluminum five-core flame-proof flexible cable Download PDFInfo
- Publication number
- CN201185096Y CN201185096Y CNU200820034223XU CN200820034223U CN201185096Y CN 201185096 Y CN201185096 Y CN 201185096Y CN U200820034223X U CNU200820034223X U CN U200820034223XU CN 200820034223 U CN200820034223 U CN 200820034223U CN 201185096 Y CN201185096 Y CN 201185096Y
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- core
- copper
- conductor wire
- coating layer
- flame
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Abstract
The utility model relates to a copper-clad aluminum five-core flame retarding flexible cable, and belongs to the technical field of the wires and cables, which comprises five conducting wire cores, a second clad layer that is used for wrapping the five conducting wire cores together, and a jacket layer that is arranged outside the second clad layer, wherein, each conducting wire core is wrapped by a first clad layer, and an insulation layer is extruded outside the first clad layer; the conducting wire core is formed by twisting the conducting single wire; each conducting single wire consists of an aluminum conductor and a copper-clad layer that is wrapped outside the aluminum conductor; the diameter of the conducting single wire is 0.2 mm to 1.2 mm, wherein, the diameter of the aluminum conductor is 0.18439 mm to 1.1063 mm, and the thickness of the copper-clad layer is 0.007805 mm to 0.04685 mm. The flexible cable has the advantages that since the diameter of the conducting single wire is reasonably chosen, not only the processing is convenient, but also the finished cable has good flexibility and is convenient to be constructed and laid; the entire structure is reasonable, so that the conducting wire core 1 is well protected, thereby being safe to be used.
Description
Technical field
The utility model belongs to technical field of electric wires and cables, is specifically related to a kind of copper coated aluminum five-core flame-retardant flexible electric cable.
Background technology
Notion for copper cover aluminum, electric wire production firm is not strange, that is exactly the aluminium that the structure that will constitute each conductive monofilament of conductor wire core is processed into outer field copper and internal layer, can save the copper that belongs to strategic resource in large quantities like this, can make the maximum function of copper performance again.For example being no lack of before in the Chinese patent literature at document has report, for example: Chinese patent Granted publication CN2881898 introduce the copper cover aluminum city communication cable, the disclosed copper cover aluminum communication cable of CN2881899, the copper clad aluminum conductor communication cable that CN200979818Y recommends, the copper clad aluminum conductor that CN101060024A is public all or the electric wire of copper covered steel conductor, the bimetallic conductor monitoring type earth cable that CN2829026Y discloses, a kind of high strength copper-coated aluminum electric wire/cable that CN2906844Y discloses, also just like CN1758384Y, CN201004349Y, CN2919466Y, CN101086906Y, CN200986831Y, CN2348466Y, CN2904222Y, CN200976298Y, CN200969249Y, CN2891231Y, CN2879357Y or the like has all related to aluminium conductor has been coated copper clad outward, and purpose all is in order to save the copper resource.
But, above-mentioned arbitrary patented technology scheme all not to the conductor structure that constitutes by copper cover aluminum for example diameter disclose, and the applicant thinks, can diameter that the reasonable selection conductor can produce bigger influence for the serviceability of finished cable, for example when diameter is excessive, cable is hardened, be unfavorable for laying; Otherwise too small when diameter, then easily broken the and difficulty of processing of conductive monofilament enlarges markedly, even can't process at all.
Summary of the invention
Task of the present utility model be to provide a kind of flexibility excellent and help laying, handling ease and copper coated aluminum five-core flame-retardant flexible electric cable safe in utilization.
Task of the present utility model is finished like this, a kind of copper coated aluminum five-core flame-retardant flexible electric cable, and it comprises five conductor wire cores 1, each conductor wire core 1 outer first coating layer 2 that has been wrapped, and first coating layer, the 2 outer insulating barriers 3 that are extruded with; One is used for second coating layer 4 that described five conductor wire cores 1 jointly are bundled together; One is located at the restrictive coating 5 outside second coating layer 4, described conductor wire core 1 constitutes by conductive monofilament 11 is stranded, every conductive monofilament 11 is made of aluminium conductor 111 and the copper clad 112 that are coated on outside the aluminium conductor 111, the diameter of described conductive monofilament 11 is 0.2~1.2mm, wherein: the diameter of aluminium conductor 111 is 0.18439~1.1063mm, and the thickness of copper clad 112 is 0.007805~0.04685mm.
The cross sectional shape of conductor wire core 1 described in the utility model is a watt shape.
The cross sectional shape of conductor wire core 1 described in the utility model is rounded.
The material of first, second coating layer 2,4 described in the utility model is the nonwoven fabrics twining package tape.
The material of insulating barrier 3 described in the utility model and restrictive coating 5 is flame-proof polyvinyl chloride or low-smoke halogen-free polyolefin.
The sectional area of conductor wire core 1 described in the utility model is 1.5~300mm
2
The utility model has been owing to made choose reasonable to the diameter of conductive monofilament 11, and is therefore not only easy to process but also make resulting finished cable have good flexibility and be convenient to construction and lay; Reasonable integral structure and conductor wire core 1 being played a good protection, therefore safe in utilization.
Description of drawings
Fig. 1 is the cross sectional representation of a specific embodiment structure of the present utility model.
Fig. 2 is the cross sectional representation of another specific embodiment structure of the present utility model.
Fig. 3 is the enlarged diagram of the cross section of conductive monofilament 11 of the present utility model.
Embodiment
Embodiment 1:
Ask for an interview Fig. 1, provide four shapes and be the conductor wire core 1 of watt shape and the conductor cable 1 of a circle each other, the nonwoven fabrics twining package tape that is wrapped outside each conductor wire core 1 constitutes first coating layer 2, and the extrusion process of habitually practising with wires and cables industry outside first coating layer 2 squeezes and establishes material both can be that flame-proof polyvinyl chloride also can be the insulating barrier 3 of low-smoke halogen-free polyolefin.By shown in Figure 1, four cross sectional shapes are the conductor wire core 1 mutual configuration back formation circle on the whole of watt shape separately, by second coating layer 4 five conductor wire cores 1 jointly are bundled together, and the material of second coating layer 4 is selected equally and used the nonwoven fabrics twining package tape.Squeeze at second coating layer, 4 external application extrusion process that to establish material equally both can be that flame-proof polyvinyl chloride also can be the restrictive coating 5 of low-smoke halogen-free polyolefin.
Ask for an interview Fig. 3, the conductive monofilament 11 that constitutes each conductor wire core 1 of the present utility model has some, and it is stranded mutually, every conductive monofilament 11 is made of aluminium conductor 111 and the copper clad 112 that are coated on outside the aluminium conductor 111, the diameter of conductive monofilament 11 is 0.2~1.2mm, wherein: the diameter of aluminium conductor 111 is 0.18439~1.10635mm, and the thickness of copper clad 112 is 0.007805~0.04685mm, the cross section that is to say copper clad 112 accounts for 15 ± 2% of whole conductive monofilament 11, and all the other are the cross section of aluminium conductor 111.
Embodiment 2:
The cross sectional shape of five conductor wire cores 1 is processed into circle, because five rounded each other conductor wire cores 1 in cross section can produce distortion when being coated by second coating layer 4, therefore gasket for packing 6 fillings that can be called mineral wool rope by means of custom are in the hole, to guarantee the rounded stranding that promptly is beneficial to of the cross sectional shape that is contracted out by second coating layer 4.All the other are with the description to embodiment 1.
Application examples 1-18:
By embodiment 1 of the present utility model or 2 described conductor wire cores 1 preferably but the cross section of 18 kinds of specifications that definitely are not limited to by shown in the following table.
Claims (6)
1, a kind of copper coated aluminum five-core flame-retardant flexible electric cable is characterized in that it comprises five conductor wire cores (1), outer first coating layer (2) that has been wrapped of each conductor wire core (1), and the outer insulating barrier (3) that is extruded with of first coating layer (2); One is used for second coating layer (4) that described five conductor wire cores (1) jointly are bundled together; One is located at the outer restrictive coating (5) of second coating layer (4), described conductor wire core (1) is by the stranded formation of conductive monofilament (11), every conductive monofilament (11) is by aluminium conductor (111) and be coated on outer copper clad (112) formation of aluminium conductor (111), the diameter of described conductive monofilament (11) is 0.2~1.2mm, wherein: the diameter of aluminium conductor (111) is 0.18439~1.1063mm, and the thickness of copper clad (112) is 0.007805~0.04685mm.
2, copper coated aluminum five-core flame-retardant flexible electric cable according to claim 1 is characterized in that the cross sectional shape of described conductor wire core (1) is a watt shape.
3, copper coated aluminum five-core flame-retardant flexible electric cable according to claim 1 is characterized in that the cross sectional shape of described conductor wire core (1) is rounded.
4, copper coated aluminum five-core flame-retardant flexible electric cable according to claim 1 is characterized in that the material of described first, second coating layer (2,4) is the nonwoven fabrics twining package tape.
5, copper coated aluminum five-core flame-retardant flexible electric cable according to claim 1 is characterized in that the material of described insulating barrier (3) and restrictive coating (5) is flame-proof polyvinyl chloride or low-smoke halogen-free polyolefin.
6, according to claim 1 or 2 or 3 described copper coated aluminum five-core flame-retardant flexible electric cables, the sectional area that it is characterized in that described conductor wire core (1) is 1.5~300mm
2
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU200820034223XU CN201185096Y (en) | 2008-04-17 | 2008-04-17 | Cuprum-packing-aluminum five-core flame-proof flexible cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU200820034223XU CN201185096Y (en) | 2008-04-17 | 2008-04-17 | Cuprum-packing-aluminum five-core flame-proof flexible cable |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201185096Y true CN201185096Y (en) | 2009-01-21 |
Family
ID=40272833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU200820034223XU Expired - Fee Related CN201185096Y (en) | 2008-04-17 | 2008-04-17 | Cuprum-packing-aluminum five-core flame-proof flexible cable |
Country Status (1)
Country | Link |
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CN (1) | CN201185096Y (en) |
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2008
- 2008-04-17 CN CNU200820034223XU patent/CN201185096Y/en not_active Expired - Fee Related
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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: 20090121 Termination date: 20100417 |