CN102856001A - Communication cable and production process thereof - Google Patents
Communication cable and production process thereof Download PDFInfo
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- CN102856001A CN102856001A CN2012103793186A CN201210379318A CN102856001A CN 102856001 A CN102856001 A CN 102856001A CN 2012103793186 A CN2012103793186 A CN 2012103793186A CN 201210379318 A CN201210379318 A CN 201210379318A CN 102856001 A CN102856001 A CN 102856001A
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- communication cable
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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.Also can be used for transmitting the above digital signal of 2048kbit/s under certain condition.Be applicable in the built on stilts or pipeline laying circuit in city, the suburbs and some areas, but also 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 is to support shielding by support bar between its insulating barrier and the conductor, and this insulated wire cores exists signal transmission unstable.And the existing anti-tampering property of these communication cables is poor, and shield effectiveness is bad.
And this anti-interference of a kind of suitable processing is good, the production technology of the communication cable of steady signal transmission also is particularly important.
The processing of all cables all is from conductor processing, adds layer by layer insulation, shielding, stranding, sheath etc. and makes the electric wire product in the periphery of conductor.Product structure is more complicated, and the level of stack is just more.
Summary of the invention
The last purpose of the present invention provides a kind of communication cable of anti-tampering, steady signal transmission.
A purpose provides a kind of communication cable production technology that can effectively guarantee the communication cable quality behind the present invention.
For realizing last purpose, 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 the filamentary silver braid, outside the filamentary silver braid, be surrounded by protecting pipe.
Preferred scheme is that described conductor is silver-plated single crystal Cu.
Preferred scheme is that described protecting pipe is plastic tube.
Preferred scheme is that described insulated tube is plastic tube
Preferred scheme is that described silver-colored belt is the silver-plated copper strips of monocrystalline.
Preferred scheme is that described silver-colored belt is wrapped in outside the plastic tube
Be a purpose after realizing, the technical solution used in the present invention is: a kind of production technology of above-mentioned communication cable comprises the steps:
(A) at first extrude the insulated hollow pipe, the insulated hollow pipe is stretched to certain-length in proportion, can increase like this intensity of insulated hollow pipe;
(B) the insulated hollow pipe after will stretching carries out pair twist at pair twister;
(C) will dock the good insulated hollow pipe of pair twist will be wrapped on the conductor;
(D) outside the insulated hollow pipe, push insulating barrier;
(E) wrapped monocrystalline silver-plated copper band shields;
(F) braiding monocrystalline silver-gilt copper wire;
(G) extrusion plastic restrictive coating;
(H) with cable core and blank pipe stranded cable;
(I) wrapped film outside becoming cable;
(J) stranding wire-wound bag always shields brilliant silver-plated copper strips;
(K) become cable Knitting to knit total shielding monocrystalline silver-gilt copper wire;
(L) become cable to extrude oversheath, i.e. stranding.
Preferred scheme is that PTFE (polytetrafluoroethylene) insulating barrier of pushing of described step (D) comprises the steps:
(a) conductor dbus that is wound with the insulated hollow pipe is crossed electric wire and is pushed production line, and post squeezes to be released the fibrous plastic powder and be coated on outside insulated hollow pipe and the conductor;
(b) then dryout through dryouting stove;
(c) squeeze the line external diameter push away behind the plastic layer by infrared detection;
(d) pass through again the sintering of the multistage different temperatures of sintering furnace;
(e) behind the sintering by the line external diameter behind the infrared detection sintering, remove non-compliant line.
Preferred scheme is that the extrusion plastic restrictive coating of described step (G) comprises the steps:
(a) with outside the cable core of plastic overmold behind braiding monocrystalline silver-gilt copper wire that dissolves, out cooling;
(b) conductor assembly outer diameter behind the detection coating plastic layer;
(c) by again water cooling of tank;
(d) at the uniform velocity traction output;
(e) whether spark detects and leaks electricity.
After the present invention adopts the communication cable of said structure, be surrounded by helical hollow tube outside conductor, like this helical coil be set so that the transmission of signal is stable, hollow pipe increases air dielectric, strong interference immunity, advantages of good shielding performance.
Adopt production technology of the present invention, can not only satisfy the production of single crystal Cu conductor cable, and can effectively guarantee the communication cable quality.
Description of drawings
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 the 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.
Among the 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
Shown in Fig. 1,2,3,4 and 5, communication cable of the present invention, comprise in the present embodiment three cable cores 1, make somebody a mere figurehead isolation by hollow pipe 2 between the cable core 1, cable core 1 and blank pipe 2 stranded rear coatings 3, 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, also be 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 the plastic tube 13.
Because the cable core of cable has adopted by at conductor outsourcing spiral hollow tubular construction, like this so that the stable signal transmission of communication cable, and advantages of good shielding performance, anti-interference.Adopt cable transmission speed of the present invention to reach 95% the light velocity, 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) at first extrude the insulated hollow pipe, hollow pipe is stretched in proportion, can increase like this intensity of insulated hollow pipe; (B) the insulated hollow pipe after will stretching carries out pair twist at pair twister; (C) the insulated hollow pipe that pair twist is good is wrapped on the conductor; (D) outside the insulated hollow pipe, push the PTFE insulating barrier; (E) wrapped monocrystalline silver-plated copper band shields; (F) braiding monocrystalline silver-gilt copper wire; (G) extrusion plastic restrictive coating; (H) with cable core and blank pipe stranded cable; (I) wrapped PTFE film outside becoming cable; (J) stranding wire-wound bag always shields brilliant silver-plated copper strips; (k) become cable Knitting to knit total shielding monocrystalline silver-gilt copper wire; (L) become cable to extrude oversheath, i.e. stranding.
The conductor dbus that the PTFE insulating barrier comprises the steps: that (a) is wound with the insulated hollow pipe pushed of above-mentioned steps (D) is crossed electric wire and is pushed production line, and post squeezes to be released the fibrous plastic powder and be coated on outside insulated hollow pipe and the conductor; (b) then dryout through dryouting stove; (c) squeeze the line external diameter push away behind the plastic layer by infrared detection; (d) pass through again the sintering of the multistage different temperatures of sintering furnace; (e) behind the sintering by the line external diameter behind the infrared detection sintering, remove sub-standard line.
The extrusion plastic restrictive coating of above-mentioned steps (G) comprises the steps: (a) with outside the cable core of plastic overmold behind braiding monocrystalline silver-gilt copper wire that dissolves, out cooling; (b) conductor assembly outer diameter behind the detection coating plastic layer; (c) by again water cooling of tank, further reduce the temperature of plastic clad; (d) at the uniform velocity traction output; (e) whether spark detects and leaks electricity.
The one-tenth cable of above-mentioned steps (L) is extruded oversheath and is comprised the steps: (a) with outside the one-tenth cable of plastic overmold behind braiding monocrystalline silver-gilt copper wire that dissolves, out cooling; (b) become the cable external diameter behind the detection coating plastic layer; (c) by again water cooling of tank, further reduce the temperature of plastic clad; (d) at the uniform velocity traction output; (e) whether spark detects and leaks electricity, and namely detects the magnitude of voltage whether oversheath reaches standard, such as 3000 volts.
The above is preferred implementation of the present invention; certainly can not limit with this interest field of the present invention; should be understood that; for those skilled in the art; technical scheme of the present invention is made amendment or is equal to replacement, do not break away from the protection range of technical solution of the present invention.
Claims (9)
1. communication cable, comprise cable core (1), it is characterized in that: described cable core (1) comprises conductor (11), the outer helical hollow tube (12) that is surrounded by of conductor (11), the outer insulated tube (13) that is surrounded by of helical hollow tube (12), the outer silver-colored belt (14) that is surrounded by of insulated tube (13), the outer filamentary silver braid (15) that is surrounded by of silver-colored belt (14), the outer protecting pipe (16) that is surrounded by of filamentary silver braid (15).
2. communication cable according to claim 1 is characterized in that: described conductor (11) is silver-plated single crystal Cu.
3. communication cable according to claim 1, it is characterized in that: described protecting pipe (16) is plastic tube.
4. communication cable according to claim 1, it is characterized in that: described insulated tube (13) is plastic tube.
5. communication cable according to claim 1, it is characterized in that: described silver-colored belt (14) is the silver-plated band of single crystal Cu.
6. communication cable according to claim 1, it is characterized in that: described silver-colored belt (14) is wrapped in outside the plastic tube (13).
7. production technology of processing the described communication cable of claim 1 is characterized in that in turn including the following steps:
(A) extrude the insulated hollow pipe, the insulated hollow pipe is stretched in proportion;
(B) the insulated hollow pipe after will stretching carries out pair twist at pair twister;
(C) the insulated hollow pipe that pair twist is good is wrapped on the conductor;
(D) at insulated hollow pipe extrapolation cohering tetrafluoroethene insulating barrier;
(E) wrapped monocrystalline silver-plated copper band shields;
(F) braiding monocrystalline silver-gilt copper wire;
(G) extrusion plastic restrictive coating;
(H) with cable core and blank pipe stranded cable;
(I) wrapped film outside becoming cable;
(J) stranding wire-wound bag always shields brilliant silver-plated copper strips;
(K) become cable Knitting to knit total shielding monocrystalline silver-gilt copper wire;
(L) become cable to extrude oversheath, i.e. stranding.
8. the production technology of communication cable according to claim 7 is characterized in that, the PTFE insulating barrier of pushing of described step (D) comprises the steps:
(a) conductor dbus that is wound with the insulated hollow pipe is crossed electric wire and is pushed production line, and post squeezes to be released the fibrous plastic powder and be coated on outside insulated hollow pipe and the conductor;
(b) then dryout through dryouting stove;
(c) squeeze the line external diameter push away behind the plastic layer by infrared detection;
(d) pass through again the sintering of the multistage different temperatures of sintering furnace;
(e) behind the sintering by the line external diameter behind the infrared detection sintering, remove sub-standard line.
9. the production technology of communication cable according to claim 7 is characterized in that, the extrusion plastic restrictive coating of described step (G) comprises the steps:
(a) with outside the cable core of plastic overmold behind braiding monocrystalline silver-gilt copper wire that dissolves, out cooling;
(b) conductor assembly outer diameter behind the detection coating plastic layer;
(c) by again water cooling of tank;
(d) at the uniform velocity traction output;
(e) whether spark detects and 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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| CN102856001A true CN102856001A (en) | 2013-01-02 |
| CN102856001B CN102856001B (en) | 2015-06-17 |
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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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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540342A (en) * | 2016-01-23 | 2016-05-04 | 桂林航天工业学院 | Linear coil and film feeding device for cable production |
| CN107123479A (en) * | 2017-05-15 | 2017-09-01 | 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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| CN200969252Y (en) * | 2006-11-21 | 2007-10-31 | 谢榕辉 | Fluorine foaming coaxial cable |
| CN101167143A (en) * | 2005-04-29 | 2008-04-23 | 尼克桑斯公司 | Unsheilded twisted pair cable and method for manufacturing the same |
| CN101447256A (en) * | 2008-12-29 | 2009-06-03 | 深圳市金信诺电缆技术有限公司 | Low-loss phase-stable coaxial cable and manufacture method thereof |
| CN201812522U (en) * | 2010-10-09 | 2011-04-27 | 靖璐 | Cable |
| CN102122542A (en) * | 2010-12-17 | 2011-07-13 | 谭锐 | Flexible hollow cable |
| CN102237157A (en) * | 2010-04-22 | 2011-11-09 | 上海产联电气科技有限公司 | Dry-type all-insulating tubular bus |
| 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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2012
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1459805A (en) * | 2002-05-23 | 2003-12-03 | 张兴武 | Coaxial cable |
| CN101057301A (en) * | 2004-11-15 | 2007-10-17 | 百通（加拿大）公司 | High performance telecommunications cable |
| CN101167143A (en) * | 2005-04-29 | 2008-04-23 | 尼克桑斯公司 | 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 |
| CN101447256A (en) * | 2008-12-29 | 2009-06-03 | 深圳市金信诺电缆技术有限公司 | Low-loss phase-stable coaxial cable and manufacture method thereof |
| CN102237157A (en) * | 2010-04-22 | 2011-11-09 | 上海产联电气科技有限公司 | Dry-type all-insulating tubular bus |
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| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540342A (en) * | 2016-01-23 | 2016-05-04 | 桂林航天工业学院 | Linear coil and film feeding device for cable production |
| CN107123479A (en) * | 2017-05-15 | 2017-09-01 | 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 | Publication date |
|---|---|
| CN102856001B (en) | 2015-06-17 |
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