CN203773974U - Double-sheath aluminum-core flame-retardant flexible cable used for communication power supply - Google Patents
Double-sheath aluminum-core flame-retardant flexible cable used for communication power supply Download PDFInfo
- Publication number
- CN203773974U CN203773974U CN201420138882.3U CN201420138882U CN203773974U CN 203773974 U CN203773974 U CN 203773974U CN 201420138882 U CN201420138882 U CN 201420138882U CN 203773974 U CN203773974 U CN 203773974U
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- CN
- China
- Prior art keywords
- conductor
- power supply
- communication power
- cable
- sheath
- 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 - Lifetime
Links
- 238000004891 communication Methods 0.000 title claims abstract description 24
- 239000003063 flame retardant Substances 0.000 title claims abstract description 17
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 239000004020 conductor Substances 0.000 claims abstract description 43
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 27
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 6
- 238000000137 annealing Methods 0.000 claims abstract description 4
- 239000004411 aluminium Substances 0.000 claims description 24
- 230000004888 barrier function Effects 0.000 claims description 13
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000005452 bending Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003860 storage Methods 0.000 abstract description 4
- 230000003247 decreasing effect Effects 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 201000004569 Blindness Diseases 0.000 description 2
- 229910000737 Duralumin Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
A double-sheath aluminum-core flame-retardant flexible cable used for a communication power supply belongs to the electric wire and cable technology field. The flexible cable comprises a conductor, an insulating layer wrapping the conductor and a sheath layer combined to an outer side of the insulating layer. The conductor is formed through intertwisting bare aluminum wires with a diameter of 0.20-0.45mm and is a bare aluminum wire stranded conductor with a sectional area of 1.5-500mm<2>, wherein an annealing treatment is performed on the bare aluminum wires. The insulating layer and sheath layer are flame-retardant polyvinyl chloride. Flexibility is greatly increased. A minimum bending radius is four times of an external diameter of the cable. During laying construction, good adaptability to places of a small space, roundabouts and the like is possessed. Manufacturing cost is greatly reduced, and a cable rated working voltage and adaptability to an ambient temperature during cable laying are not influenced. Transportation storage and construction working cost is decreased and working intensity of construction personnel can be mitigated. Usage safety can be guaranteed.
Description
Technical field
The utility model belongs to technical field of electric wires and cables, is specifically related to two sheath aluminium core flame-retardant flexible electric cables for a kind of communication power supply.
Background technology
Communication power supply flexible cable is a kind of electric connection line that supplies of communications facility, in the distribution system of telecommunication bureau station, distribution box cabinet and so on, is widely used.Communication power supply not only requires to have good flexibility with flexible cable, to conveniently lay under situation, and requires to have desirable anti-flammability in narrow space or similarly, to adapt to the instructions for use under the harsh occasion of fire-protection rating.
Can in disclosed Chinese patent literature, be seen in by the technical information of flexible cable about communication power supply, for example CN201247632Y recommends have that " communication power supply is with fire-retardant, fire-resistant, shielding anti-interference flexible cable ", CN201302849Y provides " a kind of communication power supply flame-retardant refractory flexible electric cable ", CN202230791Y discloses " the flame-retardant crosslinking polyethylene insulated flexible cable of a kind of communication power supply ", CN202720953U introduces to be had " for watt form drag combustion shielded flexible cable of communication power supply ", CN202855416U discloses " communication power supply fire-resistant shield flexible cable " and CN202601277U disclosed " a kind of communication power supply flame-retardant flexible electric cable ", etc..
Although the communication power supply that is not limited to exemplify above respectively has corresponding technique effect with flexible cable, but there is following common shortcoming: one, due to all using stranded thin copper wire as conductor, and this conductor is called five class copper conductors by industry, thereby soft degree can not meet the desired requirement.And because pliability is poor, bending radius is restricted, thus at narrow space, hindered by immovable object and even when the occasion at the place of talking in a roundabout way and so on is laid, very easily affect speed of application; Its two, owing to generally selecting with copper as the conductor of flexible cable, thereby not only there is the blindness that rationally uses raw material aspect under technology prejudice, and cause the manufacturing cost of flexible cable large; Its three, due to heavy weight, thereby not only logistics transportation, the cost of storage in link are high, and workmen's labour intensity is large in laid processes, to consume cost of labor high.
In view of above-mentioned prior art, still have improved necessity, the applicant has done useful design for this reason, has formed technical scheme described below.
Summary of the invention
Task of the present utility model is to provide a kind of and contributes to significantly to enter to increase flexibility and use embodiment and conveniently lay and promote adaptability when small space is laid, be conducive to avoid the blindness that conductor material is selected and use reduction manufacturing cost, be of value to remarkable weight reduction and use and save such as logistics, storage, cable laying operation expense and alleviate workmen's labour intensity and have and be convenient to embody excellent anti-flammability and use and ensure and use two sheath aluminium core flame-retardant flexible electric cables for safe communication power supply.
Task of the present utility model completes like this, two sheath aluminium core flame-retardant flexible electric cables for a kind of communication power supply, comprise conductor, overlayed on the insulating barrier outside conductor and be combined in the restrictive coating outside insulating barrier, the stranded naked aluminium wire stranded conductor that form and that sectional area is 1.5-500mm2 of naked aluminium wire that described conductor is is 0.20-0.45mm by the diameter through annealing in process, described insulating barrier and restrictive coating are flame-proof polyvinyl chloride.
The outermost direction of lay of naked aluminium wire stranded conductor described in the utility model is that left-hand is stranded, and direction of lay is between layers opposite each other.
The stranded joint square of naked aluminium wire stranded conductor described in the utility model is 10～25 times of naked aluminium wire stranded conductor diameter.
The thickness of insulating barrier described in the utility model is 0.7-2.8mm.
The thickness of restrictive coating described in the utility model is 0.8-2.4mm.
One of technique effect of the technical scheme that the utility model provides, because stranded that form and the sectional area of naked aluminium wire that to have adopted by diameter be 0.2-0.45mm is 1.5-500mm
2naked aluminium wire stranded conductor as conductor, thereby flexibility significantly improved, minimum bending radius is the outside diameter of cable four times, in the time of cable laying operation, there is the good adaptability to the place such as small space, talking in a roundabout way; Two, owing under the prerequisite that has overcome technology prejudice, naked aluminium wire stranded conductor being substituted to the bare copper wire stranded conductor in prior art, thereby not only significantly reduced manufacturing cost, and the adaptability of ambient temperature is not affected when cable rated operational voltage and cable laying; Three, because overall weight is significantly alleviated for the copper conductor in prior art, thereby be conducive to reduce transport and storage and construction operation cost, and can alleviate workmen's operation intensity; Four, because insulating barrier and restrictive coating are flame-proof polyvinyl chloride, thereby can ensure and use safety.
Brief description of the drawings
Fig. 1 is the cross sectional representation of example structure of the present utility model.
Embodiment
Refer to Fig. 1, provided conductor 1 and overlayed on the insulating barrier 2 outside conductor 1.The technical essential of the technical scheme providing as the utility model: stranded that form and the sectional area of naked aluminium wire that conductor 1 is is 0.2-0.45mm by the diameter through annealing in process is 1.5-500mm
2naked aluminium wire stranded conductor, and insulating barrier 2 is flame-proof polyvinyl chloride, and thickness is 0.7-2.8mm.Be covered with restrictive coating 3 outer the squeezing of insulating barrier 2, restrictive coating 3 is similarly flame-proof polyvinyl chloride, and thickness is 0.8-2.4mm.
The direction of lay between layers of above mentioned naked aluminium wire stranded conductor is: it is stranded that outermost layer should be left-hand, and it is contrary that the direction of lay between each layer keeps, in stranded process, be 10～25 times of naked aluminium wire stranded conductor diameter by twisting pitch control, be preferably 15～25 times, be better 15～20 times, the utility model selects 15-20 doubly.
The communication power supply being obtained by embodiment of the present utility model is 450～750V and 600～1000V with the rated operational voltage of aluminium core flame-retardant flexible electric cable; Long-term work adaptive temperature is :-20 DEG C～70 DEG C; Minimum bending radius is four to 15 times of the outside diameter of cable, wherein, the minimum bending radius of non-armored type is the outside diameter of cable four times, the bending radius of armored type is to be greater than 15 times of the outside diameter of cable.
A known class and two class aluminium conductors in conductor (being naked aluminium wire stranded conductor) and wires and cables industry that the utility model is recommended have difference substantial and that be difficult to be come to realize by those of skill in the art, because a known class and two class aluminium conductors are commonly a class duralumin conductor and two class duralumin conductors in wires and cables industry.But, the utility model adopts 5 classes (five classes) ultra-fine aluminium monofilament is stranded and forms, adopting aforesaid diameter is the naked aluminium wire stranded conductor of 0.2-0.45mm, the conductor of this structure in China's wires and cables industry up to now in space state, and there is no national standard and/or industry standard can follow, the applicant is applied to the cable that communication power supply is used, and has the positive effect that is confirmed the technique effect referring in superincumbent technique effect hurdle.
The relation preferably but between the thickness of diameter, insulating barrier 2 and the restrictive coating 3 of the cross section of 18 kinds of specifications that are not limited to, the radical of naked aluminium wire, naked aluminium wire monofilament of above-mentioned conductor 1 is by shown in following table:
。
Claims (5)
1.
two sheath aluminium core flame-retardant flexible electric cables for a kind of communication power supply, comprise conductor (1), overlayed on the outer insulating barrier (2) of conductor (1) and be combined in insulating barrier (2) restrictive coating (3) outward, it is characterized in that described conductor (1) is that stranded that form and the sectional area of the naked aluminium wire that is 0.20-0.45mm by the diameter through annealing in process is 1.5-500mm 2 naked aluminium wire stranded conductor, described insulating barrier (2) and restrictive coating (3) are flame-proof polyvinyl chloride.
2.
two sheath aluminium core flame-retardant flexible electric cables for communication power supply according to claim 1, is characterized in that the outermost direction of lay of described naked aluminium wire stranded conductor is that left-hand is stranded, and direction of lay is between layers opposite each other.
3.
two sheath aluminium core flame-retardant flexible electric cables for communication power supply according to claim 1 and 2, the stranded joint square that it is characterized in that described naked aluminium wire stranded conductor is 10～25 times of naked aluminium wire stranded conductor diameter.
4.
two sheath aluminium core flame-retardant flexible electric cables for communication power supply according to claim 1, is characterized in that the thickness of described insulating barrier (2) is 0.7-2.8mm.
5.
two sheath aluminium core flame-retardant flexible electric cables for communication power supply according to claim 1, is characterized in that the thickness of described restrictive coating (3) is 0.8-2.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420138882.3U CN203773974U (en) | 2014-03-26 | 2014-03-26 | Double-sheath aluminum-core flame-retardant flexible cable used for communication power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420138882.3U CN203773974U (en) | 2014-03-26 | 2014-03-26 | Double-sheath aluminum-core flame-retardant flexible cable used for communication power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203773974U true CN203773974U (en) | 2014-08-13 |
Family
ID=51291132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420138882.3U Expired - Lifetime CN203773974U (en) | 2014-03-26 | 2014-03-26 | Double-sheath aluminum-core flame-retardant flexible cable used for communication power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203773974U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103886952A (en) * | 2014-03-26 | 2014-06-25 | 中利科技集团股份有限公司 | Two-sheath aluminum core inflaming retarding flexible cable for communication power supply |
| CN105609174A (en) * | 2014-11-13 | 2016-05-25 | 日立金属株式会社 | Electric wire and cable |
| CN105609175A (en) * | 2014-11-13 | 2016-05-25 | 日立金属株式会社 | Electric wire and cable |
| CN105609193A (en) * | 2014-11-13 | 2016-05-25 | 日立金属株式会社 | Electric wire and cable |
| CN105609166A (en) * | 2014-11-13 | 2016-05-25 | 日立金属株式会社 | Electric wire and cable |
-
2014
- 2014-03-26 CN CN201420138882.3U patent/CN203773974U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103886952A (en) * | 2014-03-26 | 2014-06-25 | 中利科技集团股份有限公司 | Two-sheath aluminum core inflaming retarding flexible cable for communication power supply |
| CN105609174A (en) * | 2014-11-13 | 2016-05-25 | 日立金属株式会社 | Electric wire and cable |
| CN105609175A (en) * | 2014-11-13 | 2016-05-25 | 日立金属株式会社 | Electric wire and cable |
| CN105609193A (en) * | 2014-11-13 | 2016-05-25 | 日立金属株式会社 | Electric wire and cable |
| CN105609166A (en) * | 2014-11-13 | 2016-05-25 | 日立金属株式会社 | Electric wire and cable |
| CN105609174B (en) * | 2014-11-13 | 2019-02-22 | 日立金属株式会社 | Wire and Cable |
| CN105609175B (en) * | 2014-11-13 | 2019-02-22 | 日立金属株式会社 | Wire and Cable |
| CN105609166B (en) * | 2014-11-13 | 2019-05-10 | 日立金属株式会社 | Electric wire and cable |
| CN105609193B (en) * | 2014-11-13 | 2019-05-10 | 日立金属株式会社 | Electric wire and cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215542 Jiangsu city in Suzhou Province, Southeast of Changshu Economic Development Zone No. 8 Chang kunlu Patentee after: JIANGSU ZHONGLI GROUP Co.,Ltd. Address before: 215542 Jiangsu city in Suzhou Province, Southeast of Changshu Economic Development Zone No. 8 Chang kunlu Patentee before: ZHONGLI SCI-TECH GROUP Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |