CN102354570A - Water-proof cable for remote power supply - Google Patents
Water-proof cable for remote power supply Download PDFInfo
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- CN102354570A CN102354570A CN 201110277956 CN201110277956A CN102354570A CN 102354570 A CN102354570 A CN 102354570A CN 201110277956 CN201110277956 CN 201110277956 CN 201110277956 A CN201110277956 A CN 201110277956A CN 102354570 A CN102354570 A CN 102354570A
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Abstract
The invention relates to a water-proof cable for remote power supply, and belongs to the technical field of special cables. The water-proof cable comprises a cable core and a waterproof layer positioned outside the cable core, wherein the cable core comprises one pair or a plurality of pairs of leads, a wrapping layer positioned outside the leads and an inner lining layer positioned outside the wrapping layer; the waterproof layer is positioned outside the inner lining layer, and is characterized by comprising a woolding copper strap layer and an outer protective layer; and the woolding copper strap layer is positioned between the inner lining layer and the outer protective layer. The water-proof cable has the advantages that the woolding copper strap layer and the outer protective layer form the waterproof layer together, the woolding copper strap is combined with the inner lining layer, and the woolding copper strap and the outer protective layer form a compact integrated matching structure, so water can be prevented from immersing into the cable core; and compared with the prior art, the water-proof cable has the advantages that due to the abandon of waterproof paste, the environment of production sites is easy to clean, the manufacturing and construction are convenient to realize, the construction efficiency is improved, and the pollution phenomenon is avoided in the manufacturing and construction processes.
Description
Technical field
The invention belongs to the special cable technical field, be specifically related to a kind ofly zoom out power supply and use water-proof cable, be mainly used in the base station and be connected with communication between the user
Background technology
aforementioned concept refers to pull away for far less than the distance between 200m-2km cable, known pulled away with a waterproof power cable in order to prevent intrusion into the cable core longitudinal movement of water, usually to the cable Fill waterproof cream within the core, this structure the communication cable has been proved following the lack of presence increasingly clear: First, the use of waterproof cream treatment table rather than the root of the problem is just the negative rather than a positive technical measures because the waterproof cream just play to prevent intrusion of water inside the cable core longitudinal flow effect, and does not play to prevent water intrusion cable core role, that is, if the cable core to prevent the intrusion of water, then set waterproof cream have become superfluous measures; Second, in the cable core waterproof cream added after heating cable insulation material existence and react in danger of affecting the normal life of the cable; Third, waterproof cream not only on the production environment pollution, but also to the production of cables cause trouble; Fourth, it does not affect the construction to facilitate the construction and laying of efficiency, because in the course of construction and construction were extremely dirty limbs and clothing, construction workers tend to generate hope the construction of this cable cable Despair sense, and because of waterproof cream very creamy, a serious impact on the laying speed.
applicant has carried out literature search, is seen in about zooming out power supply with the technical scheme of water-proof cable though in disclosed Chinese patent document, be no lack of, and almost stereotypedly obtains block-water effect through the interpolation waterproof paste.Yet; The applicant thinks; Utilizing waterproof paste or title to depend on the mentality of designing that the waterproof paste phase gets block-water effect can be summed up as due to the technology prejudice; More particularly; Because it is deep-rooted that industry is influenced by traditional Design Mode, so that ignored appropriate design to the block-water effect of the construction of cable self.
In view of the existing shortcoming of above-mentioned prior art; The applicant has carried out long-term exploration and trial; Found the way of dealing with problems, and under secrecy provision, proved practicable through experiment, the technical scheme that will introduce produces under this background below
Summary of the invention
task of the present invention be to provide a kind of help to stop the water intrusion cable conductor and use avoid relying on use waterproof paste, help ensureing when making clean environment with embody environmental protection and easily manufactured and be of value to convenient construction and have be good at promoting efficiency of construction zoom out the power supply water-proof cable.
task of the present invention is accomplished like this; A kind of power supply water-proof cable that zooms out; Comprise the water blocking layer that cable core is outer with being positioned at cable core; Cable core comprise a pair of or plural to lead, be positioned at the outer lapping layer of lead and be positioned at the outer inner covering of lapping layer; Said water blocking layer is positioned at outside the inner covering outward; Be characterised in that described water blocking layer comprises hank tie copper strips layer and outer jacket, prick the line steel belt layer between said inner covering and outer jacket.
in a concrete embodiment of the present invention, described cable core also includes uses one or the complex root gasket for packing that makes the cable core roundingization.
In another concrete embodiment of the present invention, described lead is overlayed on the outer insulation-coated layer of conductor by conductor and quilt and is constituted
.
in another concrete embodiment of the present invention, described conductor is the stranded formation of complex root tinned copper wire or is single bare copper wire formation that described insulation-coated layer is polyvinyl chloride, polyolefin or polyethylene.
in another concrete embodiment of the present invention, described gasket for packing is mineral wool rope or polypropylene rope.
also have among the concrete embodiment of the present invention, and described lapping layer is polyester belt or nonwoven fabrics.
are more of the present invention and among concrete embodiment, described inner covering is polyvinyl chloride, polyolefin or polyethylene.
In of the present invention and then concrete embodiment, described bundle line steel band is vertical to wrap in outside the described inner covering
.
of the present invention again more and among concrete embodiment, described bundle line steel band is that two-sided steel is moulded compound bundle line steel band.
in again of the present invention and then concrete embodiment, described outer jacket is a polyethylene.
technical scheme provided by the invention is owing to constitute water blocking layer by pricking line steel band and outer jacket jointly; Combine with inner covering by pricking the line steel band; And can form fine and close one fit structure with outer jacket owing to prick the line steel band; Thereby can stop the water intrusion cable core; With respect to prior art; Owing to abandoned waterproof paste; Thereby the clean environment that helps to ensure the production scene is made with convenient; Help convenient construction and improve efficiency of construction, no matter be all pollution-free phenomenon in manufacturing or the work progress.
Description of drawings
Fig. 1 is the embodiments of the invention structure chart.
Embodiment
can be expressly understood technical spirit of the present invention and beneficial effect more for the auditor that the makes Patent Office especially public; The applicant general elaborates with the mode of embodiment below; But the description to embodiment all is not the restriction to the present invention program, any according to the present invention design done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
Embodiment 1:
Fig. 1 is asked for an interview in
; Provided a cable core 1 and be arranged at or claim to be formed in the outer water blocking layer 2 of cable core 1; Cable core 1 comprises couple of conductor 11, lapping layer 12 and inner covering 13; Lead 11 is overlayed on conductor 111 outer insulation-coated layers 112 by conductor 111 and quilt and is constituted; Wherein: conductor 111 both can be to constitute by the zinc-plated thin copper wire of complex root is stranded; Also can be single bare copper wire or claim that single naked copper round conductor constitutes; In this defendant, select the former, and insulation-coated layer 112 is a polyvinyl chloride.Lapping layer 12 is wrapped outside lead 11, and lapping layer 12 adopts the nonwoven fabrics twining package tape.Inner covering 13 is squeezed by extrusion device and overlays on outside the lapping layer 12, and in the present embodiment, inner covering 13 uses polyolefin.Water blocking layer 2 comprises pricks line steel band 21 and outer jacket 22; These bundle line steel band 21 vertical wrapping in outside the inner liner 13; And this bundle line steel band 21 is moulded compound bundle line steel band for two-sided steel; This two-sided steel mould compound bundle line steel band can and inner liner 13 between produce the good binding effect; Especially when the outer jacket of filling the post of by polyethylene 22 technological means habitual outer jacket 22 is squeezed and be layed onto when pricking outside the line steel band 21 with the electric wire production industry; Can and outer jacket 22 between form the fine and close adhesive effect of zero-clearance; Stop the external water gas cut to go into cable core 1 thereby can embody ultimate attainmently; That is to say, can play the resistance effect of standing out from one's fellows of prevention water from the cable core 1 of the horizontal intrusion cable of cable.Thereby overcome in the superincumbent background technology of the applicant hurdle because of using the various unfavorable factors that waterproof paste produced objective embodiment applicant alleged technique effect in the technique effect hurdle all sidedly.
are continued to see and are able to stranding for the roundness that ensures cable core 1 has been by Fig. 1, and aforesaid cable core 1 also includes a pair of gasket for packing 14, and gasket for packing 14 is followed in lead 11 and equally by lapping layer 12 wrapped coatings.In the present embodiment, gasket for packing 14 uses polypropylene rope (the industry custom is claimed the PP rope).
Embodiment 2:
figure slightly; Change the quantity that constitutes the lead 11 of cable core 1 into two pairs; Use gasket for packing 14 instead mineral wool rope; Its quantity changes one and be positioned at the central authorities of four leads 11 into; The conductor 111 that constitutes lead 11 adopts single naked round copper conductor; The insulation-coated layer 112 that constitutes lead 11 is used polyolefin instead, uses lapping layer 12 instead polyester twining package tape (being polyester belt).Use inner covering 13 instead polyvinyl chloride.All the other are all with the description to embodiment 1.
Embodiment 3:
figure slightly changes the quantity that constitutes the lead 11 of cable core 1 into three pairs.Change the quantity of gasket for packing 14 into one and be positioned at the central authorities of six conductors 11.Use inner covering 13 instead polyethylene.All the other are all with the description to embodiment 1
Claims (10)
1.
are a kind of zooms out power supply and uses water-proof cable; Comprise cable core (1) and be positioned at the outer water blocking layer (2) of cable core (1); Cable core (1) comprise a pair of or plural to lead (11), be positioned at the outer lapping layer (12) of lead (11) and be positioned at lapping layer (12) inner covering (13) outward; Said water blocking layer (2) is outer to be positioned at outside the inner covering (13); It is characterized in that described water blocking layer (2) comprises hank tie copper strips layer (21) and outer jacket (22), prick line steel belt layer (21) and be positioned between said inner covering (13) and the outer jacket (22).
2.
are according to claim 1 zooms out power supply and uses water-proof cable, it is characterized in that described cable core (1) also includes to use one or the complex root gasket for packing (14) that makes cable core (1) roundingization.
3.
are according to claim 1 zooms out power supply and use water-proof cable, it is characterized in that described lead (11) is by conductor (111) with overlayed on outer insulation-coated layer (112) formation of conductor (111).
4.
are according to claim 3 zooms out power supply and uses water-proof cable; It is characterized in that described conductor (111) for the stranded formation of complex root tinned copper wire or for single bare copper wire constitutes, described insulation-coated layer (112) are polyvinyl chloride, polyolefin or polyethylene.
according to claim 2 zoom out the power supply use water-proof cable, it is characterized in that described gasket for packing (14) is mineral wool rope or polypropylene rope.
according to claim 1 zoom out the power supply use water-proof cable, it is characterized in that described lapping layer (12) is polyester belt or nonwoven fabrics.
according to claim 1 zoom out the power supply use water-proof cable, it is characterized in that described inner covering (13) is polyvinyl chloride, polyolefin or polyethylene.
8.
are according to claim 1 zooms out power supply and use water-proof cable, it is characterized in that described bundle line steel band (21) is indulged to wrap in outside the described inner covering (13).
9.
are describedly zoomed out power supply and are used water-proof cable according to claim 1 or 8, it is characterized in that described bundle line steel band (21) moulds compound bundle line steel band for two-sided steel.
10.
According to claim 1 zoom out the power supply use water-proof cable, it is characterized in that described outer jacket (22) is a polyethylene
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110277956 CN102354570A (en) | 2011-09-19 | 2011-09-19 | Water-proof cable for remote power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110277956 CN102354570A (en) | 2011-09-19 | 2011-09-19 | Water-proof cable for remote power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102354570A true CN102354570A (en) | 2012-02-15 |
Family
ID=45578110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110277956 Pending CN102354570A (en) | 2011-09-19 | 2011-09-19 | Water-proof cable for remote power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102354570A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107369496A (en) * | 2017-08-22 | 2017-11-21 | 贵州固达电缆有限公司 | A kind of water-proof cable |
| CN108573772A (en) * | 2018-06-22 | 2018-09-25 | 江苏东峰电缆有限公司 | A kind of copper core polyvinyl chloride insulation flame-retardant strand type connection flexible cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2757302Y (en) * | 2004-12-27 | 2006-02-08 | 江苏亨通电力电缆有限公司 | Power input cable of frequency variable motor |
| CN1741201A (en) * | 2005-08-30 | 2006-03-01 | 中利科技集团有限公司 | Photoelectric comprehensive cable |
| CN200990260Y (en) * | 2006-12-08 | 2007-12-12 | 扬州曙光电缆有限公司 | Corrosion resisting special cable |
| CN201556470U (en) * | 2009-06-24 | 2010-08-18 | 沈群华 | Optical cables with rip cords |
| CN202258536U (en) * | 2011-09-19 | 2012-05-30 | 中利科技集团股份有限公司 | Waterproof cable for remote power supplying |
-
2011
- 2011-09-19 CN CN 201110277956 patent/CN102354570A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2757302Y (en) * | 2004-12-27 | 2006-02-08 | 江苏亨通电力电缆有限公司 | Power input cable of frequency variable motor |
| CN1741201A (en) * | 2005-08-30 | 2006-03-01 | 中利科技集团有限公司 | Photoelectric comprehensive cable |
| CN200990260Y (en) * | 2006-12-08 | 2007-12-12 | 扬州曙光电缆有限公司 | Corrosion resisting special cable |
| CN201556470U (en) * | 2009-06-24 | 2010-08-18 | 沈群华 | Optical cables with rip cords |
| CN202258536U (en) * | 2011-09-19 | 2012-05-30 | 中利科技集团股份有限公司 | Waterproof cable for remote power supplying |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107369496A (en) * | 2017-08-22 | 2017-11-21 | 贵州固达电缆有限公司 | A kind of water-proof cable |
| CN108573772A (en) * | 2018-06-22 | 2018-09-25 | 江苏东峰电缆有限公司 | A kind of copper core polyvinyl chloride insulation flame-retardant strand type connection flexible cable |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120215 |