CN102856001B - Communication cable and production process thereof - Google Patents
Communication cable and production process thereof Download PDFInfo
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- CN102856001B CN102856001B CN201210379318.6A CN201210379318A CN102856001B CN 102856001 B CN102856001 B CN 102856001B CN 201210379318 A CN201210379318 A CN 201210379318A CN 102856001 B CN102856001 B CN 102856001B
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Abstract
The invention discloses a communication cable. The communication cable comprise a cable core which comprises a conductor, a spiral hollow pipe, an insulation pipe, a silver belt layer, a sliver wire weaving layer and a protecting bush pipe are wrapped outside the conductor. The invention also discloses a production process of the cable. The production process comprises the following steps of: (A) extruding and stretching the insulation hollow pipe; (B) twisting the stretched insulation hollow pipe by pairs; (C) wounding the twisted insulation hollow pipe by pairs on the conductor by butting joint; (D) pushing and extruding a PTFE (Polytetrafluoroethylene) insulation layer outside the insulation hollow pipe; (E) lapping a single crystal silver-plated copper belt and shielding; (F) weaving the single crystal silver-plated copper wires; (G) extruding a plastic protecting bush layer; (H) stranding and cabling the cable core and the hollow pipe; (I) lapping a PTFE film outside the formed cable; (J) lapping a total shielding crystal silver-plated copper belt on the cabled yarns; (K) weaving the total shielding single crystal silver-plate copper wire by the cabled yarns; and (L) extruding an outer protecting bush by the cabled yarns, namely forming the cable. The communication cable disclosed by the invention not only prevents interference, but also is stable in transmission signals.
Description
Technical field
The present invention relates to a kind of technical field of cable, especially a kind of communication cable and production technology thereof.
Background technology
Communication cable is mainly used in transmission of audio, 150kHZ and following analog signal and 2048kbit/s and following digital signal.Under certain condition, also can be used for the digital signal transmitting more than 2048kbit/s.Be applicable in the built on stilts or pipeline laying circuit in city, the suburbs and some areas, also can direct-burried.
At present, cable in the world has kind more than 13000, and China has kind more than 7000 at present, and wherein extraordinary kind more than 6000 is by import.The insulated wire cores of traditional cable, being support shielding by support bar between its insulating barrier and conductor, there is signal transmission instability in this insulated wire cores.And the anti-tampering property of these communication cables existing is poor, shield effectiveness is bad.
And this anti-interference of a kind of applicable processing is good, the production technology of the communication cable of steady signal transmission is also particularly important.
The processing of all cables is all from conductor processing, adds insulation, shielding, stranding, sheath etc. layer by layer and make electric wire product in the periphery of conductor.Product structure is more complicated, and the level of superposition is more.
Summary of the invention
The last object of the present invention is to provide a kind of communication cable of anti-tampering, steady signal transmission.
After the present invention, an object is to provide a kind of communication cable production technology that effectively can ensure communication cable quality.
For realizing last object, the technical solution adopted in the present invention is: a kind of communication cable, comprise cable core, wherein said cable core comprises conductor, outside conductor, be surrounded by helical hollow tube, outside helical hollow tube, be surrounded by insulated tube, outside insulated tube, be surrounded by silver-colored belt, outside silver-colored belt, be surrounded by filamentary silver braid, outside filamentary silver braid, be surrounded by protecting pipe.
Preferred scheme is, described conductor is silver-plated single crystal Cu.
Preferred scheme is, described protecting pipe is plastic tube.
Preferred scheme is, described insulated tube is plastic tube
Preferred scheme is, described silver-colored belt is the silver-plated copper strips of monocrystalline.
Preferred scheme is, described silver-colored belt is wrapped in outside plastic tube
For realizing a rear object, the technical solution used in the present invention is: a kind of production technology of above-mentioned communication cable, comprises the steps:
(A) first extrude insulated hollow pipe, insulated hollow pipe is stretched to certain length in proportion, the intensity of insulated hollow pipe can be increased like this;
(B) the insulated hollow pipe after stretching is carried out pair twist at pair twister;
(C) docking is wrapped on conductor insulated hollow pipe good for pair twist;
(D) outside insulated hollow pipe, insulating barrier is pushed;
(E) wrapped monocrystalline silver-plated copper band shields;
(F) monocrystalline silver-gilt copper wire is woven;
(G) extrusion plastic restrictive coating;
(H) by cable core and blank pipe stranded cable;
(I) at the outer wrapped film of one-tenth cable;
(J) stranding wire-wound bag always shields brilliant silver-plated copper strips;
(K) cable Knitting is become to knit total shielding monocrystalline silver-gilt copper wire;
(L) cable is become to extrude oversheath, i.e. stranding.
Preferred scheme is, PTFE (polytetrafluoroethylene) insulating barrier of pushing of described step (D) comprises the steps:
A conductor that () is wound with insulated hollow pipe pushes production line by electric wire, and post squeezes release fibrous plastic powder and is coated on outside insulated hollow pipe and conductor;
B () then dryouies through dryouting stove;
C () squeezes the line external diameter after pushing away plastic layer by infrared detection;
D () is again through the sintering of the multistage different temperatures of sintering furnace;
E the line external diameter after being sintered by infrared detection after () sintering, removes non-compliant line.
Preferred scheme is, the extrusion plastic restrictive coating of described step (G) comprises the steps:
A (), by outside cable core after braiding monocrystalline silver-gilt copper wire of the plastic overmold that dissolves, out cools;
Conductor assembly outer diameter after (b) detection coating plastic layer;
C () is by tank water cooling again;
D () at the uniform velocity draws output;
Whether (e) Spark plug optical fiber sensor leaks electricity.
The present invention is surrounded by helical hollow tube after adopting the communication cable of said structure outside conductor, and arrange helical coil like this and the transmission of signal is stablized, hollow pipe increases air dielectric, strong interference immunity, advantages of good shielding performance.
Adopt production technology of the present invention, the production of single crystal Cu conductor cable can not only be met, and can effectively ensure communication cable quality.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is structure chart of the present invention;
Fig. 2 is A-A sectional view;
Fig. 3 is the structure chart of core of the present invention;
Fig. 4 is the part sectioned view of core of the present invention;
Fig. 5 is the partial enlarged drawing of Fig. 4;
Fig. 6 is production technological process of the present invention.
In figure: 1 cable core, 11 conductors, 12 helical hollow tubes, 13 insulated tubes, 14 silver medal belts, 15 filamentary silver braids, 16 protecting pipes, 2 blank pipes, 3 films, 4 monocrystalline silver-plated copper belts, 5 braiding monocrystalline silver-gilt copper wire layers, 6 oversheaths.
Embodiment
Fig. 1,2,3, shown in 4 and 5, communication cable of the present invention, comprise three cable cores 1 in the present embodiment, by the built on stilts isolation of hollow pipe 2 between cable core 1, cable core 1 and the stranded rear coating 3 of blank pipe 2, outside film 3, be surrounded with monocrystalline silver-plated copper belt 4, outside monocrystalline silver-plated copper belt 4, be surrounded by braiding monocrystalline silver-gilt copper wire layer 5, outside braiding monocrystalline silver-gilt copper wire layer 5, be also surrounded by plastic sheath 6.Above-mentioned cable core 1 comprises conductor 11, outside conductor 11, be surrounded by helical hollow tube 12, outside helical hollow tube 12, be surrounded by insulated tube 13, outside insulated tube 13, be surrounded by silver-colored belt 14, outside silver-colored belt 14, be surrounded by filamentary silver braid 15, outside filamentary silver braid 15, be surrounded by protecting pipe 16.Above-mentioned conductor 11 is silver-plated single crystal Cu.Protecting pipe 16 is plastic tube, and silver-colored belt 14 is the silver-plated band of single crystal Cu, and silver-colored belt 14 is wrapped in outside plastic tube 13.
Cable core due to cable have employed by conductor outsourcing spiral hollow tubular construction, makes the stable signal transmission of communication cable like this, and advantages of good shielding performance, anti-interference.Adopt cable transmission speed of the present invention to reach the light velocity of 95%, inductance reaches 0.07uH/fe, and electric capacity reaches 19PF/ft.
As shown in Figure 6, the production technology of communication cable of the present invention comprises the steps:
(A) first extrude insulated hollow pipe, hollow pipe is stretched in proportion, the intensity of insulated hollow pipe can be increased like this; (B) the insulated hollow pipe after stretching is carried out pair twist at pair twister; (C) insulated hollow pipe good for pair twist is wrapped on conductor; (D) outside insulated hollow pipe, PTFE insulating barrier is pushed; (E) wrapped monocrystalline silver-plated copper band shields; (F) monocrystalline silver-gilt copper wire is woven; (G) extrusion plastic restrictive coating; (H) by cable core and blank pipe stranded cable; (I) in the outer wrapped PTFE film of one-tenth cable; (J) stranding wire-wound bag always shields brilliant silver-plated copper strips; K () becomes cable Knitting to knit total shielding monocrystalline silver-gilt copper wire; (L) cable is become to extrude oversheath, i.e. stranding.
The PTFE insulating barrier of pushing of above-mentioned steps (D) comprises the steps: that the conductor that (a) is wound with insulated hollow pipe pushes production line by electric wire, and post squeezes to be released fibrous plastic powder and be coated on outside insulated hollow pipe and conductor; B () then dryouies through dryouting stove; C () squeezes the line external diameter after pushing away plastic layer by infrared detection; D () is again through the sintering of the multistage different temperatures of sintering furnace; E the line external diameter after being sintered by infrared detection after () sintering, removes sub-standard line.
The extrusion plastic restrictive coating of above-mentioned steps (G) comprises the steps: that (a) is by outside cable core after braiding monocrystalline silver-gilt copper wire of the plastic overmold that dissolves, out cools; Conductor assembly outer diameter after (b) detection coating plastic layer; C (), by tank water cooling again, reduces the temperature of plastic clad further; D () at the uniform velocity draws output; Whether (e) Spark plug optical fiber sensor leaks electricity.
The one-tenth cable of above-mentioned steps (L) is extruded oversheath and is comprised the steps: that (a) is by outside one-tenth cable after braiding monocrystalline silver-gilt copper wire of the plastic overmold that dissolves, out cools; B () becomes cable external diameter after detecting coating plastic layer; C (), by tank water cooling again, reduces the temperature of plastic clad further; D () at the uniform velocity draws output; Whether (e) Spark plug optical fiber sensor leaks electricity, and namely detects the magnitude of voltage whether oversheath reaches standard, such as 3000 volts.
The above is the preferred embodiment of the present invention; certainly the interest field of the present invention can not be limited with this; should be understood that; for those skilled in the art; technical scheme of the present invention is modified or equivalent replacement, do not depart from the protection range of technical solution of the present invention.
Claims (3)
1. a production technology for communication cable, is characterized in that in turn including the following steps:
(A) extrude insulated hollow pipe, insulated hollow pipe is stretched in proportion;
(B) the insulated hollow pipe after stretching is carried out pair twist at pair twister;
(C) insulated hollow pipe good for pair twist is wrapped on conductor;
(D) at insulated hollow pipe extrapolation cohering tetrafluoroethene insulating barrier;
(E) wrapped monocrystalline silver-plated copper band shields;
(F) monocrystalline silver-gilt copper wire is woven;
(G) extrusion plastic restrictive coating;
(H) by cable core and blank pipe stranded cable;
(I) at the outer wrapped film of one-tenth cable;
(J) stranding wire-wound bag always shields brilliant silver-plated copper strips;
(K) cable Knitting is become to knit total shielding monocrystalline silver-gilt copper wire;
(L) cable is become to extrude oversheath, i.e. stranding.
2. the production technology of communication cable according to claim 1, is characterized in that, described step (D), at insulated hollow pipe extrapolation cohering tetrafluoroethene insulating barrier, comprises the steps:
A conductor that () is wound with insulated hollow pipe pushes production line by electric wire, and post squeezes release fibrous plastic powder and is coated on outside insulated hollow pipe and conductor;
B () then dryouies through dryouting stove;
C () squeezes the line external diameter after pushing away plastic layer by infrared detection;
D () is again through the sintering of the multistage different temperatures of sintering furnace;
E the line external diameter after being sintered by infrared detection after () sintering, removes sub-standard line.
3. the production technology of communication cable according to claim 1, is characterized in that, the extrusion plastic restrictive coating of described step (G) comprises the steps:
A (), by outside cable core after braiding monocrystalline silver-gilt copper wire of the plastic overmold that dissolves, out cools;
Conductor assembly outer diameter after (b) detection coating plastic layer;
C () is by tank water cooling again;
D () at the uniform velocity draws output;
Whether (e) Spark plug optical fiber sensor leaks electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210379318.6A CN102856001B (en) | 2012-10-09 | 2012-10-09 | Communication cable and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210379318.6A CN102856001B (en) | 2012-10-09 | 2012-10-09 | Communication cable and production process thereof |
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| Publication Number | Publication Date |
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| CN102856001A CN102856001A (en) | 2013-01-02 |
| CN102856001B true CN102856001B (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210379318.6A Active CN102856001B (en) | 2012-10-09 | 2012-10-09 | Communication cable and production process thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540342B (en) * | 2016-01-23 | 2019-02-19 | 桂林航天工业学院 | A kind of cable production linear send the device of disk and film feeding |
| CN107123479B (en) * | 2017-05-15 | 2018-12-11 | 清远市合意氟塑电线有限公司 | Air dielectric communication cable production technology |
| CN114255924A (en) * | 2021-11-23 | 2022-03-29 | 乐庭电线工业（惠州）有限公司 | Hollow high-speed transmission line |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1459805A (en) * | 2002-05-23 | 2003-12-03 | 张兴武 | Coaxial cable |
| CN101057301B (en) * | 2004-11-15 | 2011-05-04 | 百通（加拿大）公司 | Separation rack for communication cable, communication cable and manufacture method of cable |
| US7390971B2 (en) * | 2005-04-29 | 2008-06-24 | Nexans | Unsheilded twisted pair cable and method for manufacturing the same |
| CN200969252Y (en) * | 2006-11-21 | 2007-10-31 | 谢榕辉 | Fluorine foaming coaxial cable |
| CN101447256B (en) * | 2008-12-29 | 2012-05-02 | 深圳金信诺高新技术股份有限公司 | Low-loss phase-stable coaxial cable and manufacture method thereof |
| CN102237157B (en) * | 2010-04-22 | 2012-10-17 | 上海产联电气科技有限公司 | Dry-type all-insulating tubular bus |
| CN201812522U (en) * | 2010-10-09 | 2011-04-27 | 靖璐 | Cable |
| CN102122542A (en) * | 2010-12-17 | 2011-07-13 | 谭锐 | Flexible hollow cable |
| CN202839118U (en) * | 2012-10-09 | 2013-03-27 | 清远市合意氟塑电线有限公司 | Communication cable |
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