CN104751960B - Novel tensile communication cable and manufacturing method thereof - Google Patents

Novel tensile communication cable and manufacturing method thereof Download PDF

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Publication number
CN104751960B
CN104751960B CN201310753779.XA CN201310753779A CN104751960B CN 104751960 B CN104751960 B CN 104751960B CN 201310753779 A CN201310753779 A CN 201310753779A CN 104751960 B CN104751960 B CN 104751960B
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core
wire
rope
bearing
outside
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CN104751960A (en
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黄冬莲
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ANHUI LIANJIAXIANG SPECIAL CABLE Co.,Ltd.
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Shenzhen Lianjiaxiang Science & Technology Co ltd
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Abstract

The invention relates to a novel tensile communication cable applied to a remote automatic meter reading system. The novel tensile communication cable comprises a cable core and a sheath layer (5) coated outside the cable core, wherein the cable core comprises an insulating core wire (1) for transmitting signals and a tensile bearing rope (2) used for tensile bearing and serving as a ground wire, and the insulating core wire and the tensile bearing rope (2) are twisted into the cable core; the insulating core wire (1) comprises a conductor (11) and an insulating layer (12) coated outside the conductor (11); the tensile bearing rope (2) comprises a bearing rope core for bearing and grounding. Besides, the novel tensile communication cable also comprises Mara tapes (3) wound and wrapped outside the cable core and a shielding layer (4) coated outside the Mara tapes (3). The novel tensile communication cable is usually applied to the remote automatic meter reading system and is high in tensile bearing capability and anti-bending capability, long in service life and strong in anti-jamming capability.

Description

A kind of Novel tensile communication cable and its manufacture method
Technical field
The present invention relates to a kind of communication cable, more particularly, to a kind of Novel tensile communication cable and its manufacture method.
Background technology
The continuous development of intellectualizing system, brings the application development of the industries such as water, electricity, combustion gas, and far-end automatic remote is copied Table system is exactly a good embodiment, and far-end Automatic meter reading system is to collect intelligent meter, computer, network communications technology in one Body, have in real time/regularly, fixed point complete copying and accepting, store, inquiring about, counting and the function such as table tool controls of gauge table information Automatic centralized reading management system.Among these, data transfer is the nervous system of system, transmits number between data source data place According to process, be to need to complete by communication cable.The present invention provides a kind of Novel tensile communication cable product, has filled up The blank in this subdivision field of far-end automatic data logging communication cable.
Content of the invention
The technical problem to be solved in the present invention is, for current communication cable in this subdivision field of far-end automatic data logging Blank, provide that a kind of tension weight capacity is strong, the Novel tensile communication cable of long service life and its manufacture method.
The technical solution adopted for the present invention to solve the technical problems is: provides a kind of Novel tensile communication cable, is used for Far-end Automatic meter reading system, including electric wire core and the restrictive coating being coated on outside described electric wire core, described electric wire core bag Include for the insulation core wire of transmission signal with for tension load-bearing and the tension head-rope playing earth lead effect, described insulation core wire The described electric wire core of formation stranded with described tension head-rope;Described insulation core wire includes conductor and is coated on outside described conductor Insulating barrier;Described tension head-rope includes the load-bearing wire rope core for load-bearing and ground connection.
Described load-bearing wire rope core includes multigroup steel wire group, and described multigroup steel wire group is stranded to be obtained described load-bearing wire rope core;Every group of institute State steel wire group and include many steel wires, described many steel wires are stranded to be obtained described steel wire group.
Described tension head-rope also includes the overcoat for preventing the described load-bearing wire rope core described insulation core wire of abrasion, described Overcoat is coated on outside described load-bearing wire rope core.
Described Novel tensile communication cable also includes the inserts for guaranteeing described electric wire core rounding, described inserts The described electric wire core of formation stranded with described insulated wire cores and described tension head-rope.
Described conductor includes single copper wire or includes many thin copper wires, and wherein, described many thin copper wires are by stranded formation Described conductor.
The area of described conductors cross is between 0.5 square millimeter to 1 square millimeter.
The external diameter size of described tension head-rope is identical with the external diameter size of insulating barrier in described insulation core wire.
Described Novel tensile communication cable also includes wrapped wheat drawstring outside in described electric wire core.
Described Novel tensile communication cable is also included positioned at the screen layer between described electric wire core and described restrictive coating.
A kind of method manufacturing Novel tensile communication cable is provided, comprises the following steps:
S1, manufacture insulation core wire: be conductor using single soft copper silk or using many soft copper silk bundle strands, and described conductor is horizontal The area in section is between 0.5 square millimeter to 1 square millimeter;Insulant is coated on the outside of described conductor and forms insulation Layer, is obtained described insulation core wire;
S2, manufacture tension head-rope: by stranded for many super soft and fine steel wires prepared one group of steel wire group, then by multigroup described steel Silk group is stranded to be obtained a load-bearing wire rope core;Insulant is coated on the outside of described load-bearing wire rope core and forms overcoat, prepared institute State tension head-rope;
S3, the described Novel tensile communication cable of manufacture: by the described insulated wire cores being obtained in two steps s1, step s2 Prepared described tension head-rope and the electric wire core of inserts bundle strand formation one rounding;Described electric wire core outside around One layer of wheat drawstring of bag, then, in one layer of screen layer of outside cladding of described wheat drawstring;Finally, the high-abrasive material that will insulate passes through to squeeze The mode of pressure is coated on the outside of described screen layer and forms restrictive coating, and described Novel tensile communication cable is obtained.
Implement the Novel tensile communication cable of the present invention, its advantage is: increased using many super soft and fine steel wires The tension head-rope made, thus there is very strong tension weight capacity and bend resistance ability, tension head-rope is playing tension Can also use as earth lead while load-bearing effect;Tension head-rope includes being coated on the protection outside described load-bearing wire rope core Layer, can ensure that during use that steel wire will not be ground away insulation core wire;The conductor of insulation core wire uses anaerobic soft copper silk to be obtained, and institute State preferably 0.75 square millimeter of the area of conductors cross, insulation core wire also has relatively while ensureing suitable transmission range Good tension and tear resistance, extend the service life of Novel tensile communication cable;By insulation core wire and tension head-rope Twist together formation electric wire core so that tension head-rope uniform force in whole electric wire core, it is to avoid use in outer masterpiece Lower screen layer and restrictive coating shift or sliding;The setting of screen layer makes described Novel tensile communication cable have good resisting Electromagnetic interference performance.
Brief description
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the cross section structure schematic diagram of Novel tensile communication cable in one embodiment of the invention;
Fig. 2 is the cross section structure schematic diagram of load-bearing wire rope core in tension head-rope in Fig. 1.
Specific embodiment
Rarely have the present situation setting foot in in prior art to communication cable in this subdivision field of far-end automatic data logging, this A kind of bright offer blank to fill up this field for Novel tensile communication cable.Novel tensile communication cable of the present invention because increased by The tension head-rope that many super soft and fine steel wires are made, thus there is very strong tension weight capacity and bend resistance ability, tension is held Restrict again and can also use as earth lead while playing tension load-bearing effect;Overcoat in tension head-rope can ensure that use During steel wire will not grind away insulation core wire;Meanwhile, insulation core wire and tension head-rope are twisted together formation electric wire core, Make tension head-rope uniform force in whole electric wire core, it is to avoid screen layer and restrictive coating shift under external force Or sliding;The setting of screen layer makes described Novel tensile communication cable have good electromagnetism interference performance.
In order that the purpose of the present invention, technical scheme and advantage become more apparent, below in conjunction with drawings and Examples, The present invention is described in further detail.It should be appreciated that specific embodiment described herein is only used for explaining this Invention, is not intended to limit the present invention.
Fig. 1 is the cross section structure schematic diagram of Novel tensile communication cable in one embodiment of the invention.Novel tensile communication electricity Cable includes two insulation core wires 1 and a tension head-rope 2, and tension head-rope 2 and described two insulation core wires 1 are with the side of bundle strand Formula is stranded to form a branch of electric wire core;Novel tensile communication cable also includes being coated on wheat drawstring 3 outside electric wire core, cladding Screen layer 4 outside in described wheat drawstring 3 and be wrapped in the restrictive coating 5 outside described screen layer 4.
Insulation core wire 1 is copper core electric wire, including for the conductor 11 of transmission signal be coated on the insulation outside conductor 11 Layer 12.In the present embodiment, two insulation core wires 1 of Novel tensile communication cable are divided into redness and black, by red and black Two insulation core wires 1 of color connect between data source data place with transmission signal.
Wherein, conductor 11 can be made, soft copper silk from single anaerobic soft copper silk or by many anaerobic soft copper silk bundle strands Have the advantages that ductility is strong and bend resistance ability is strong, can effectively extend the service life of Novel tensile communication cable.Additionally, making The size of the cross-sectional area of conductor 11 made with soft copper silk can affect the maximum transmission distance of signal, general maximum transmitted away from From less than 300 meters.So suitable for ensureing signal maximum transmission distance, the area of conductor 11 cross section is at 0.5 square millimeter To between 1 square millimeter, preferably 0.75 square millimeter.
Insulating barrier 12 makes red and two kinds of black as needed, is respectively coated by and forms redness in the outside of described conductor 11 With two insulation core wires 1 of black, insulating barrier 12 can be from the insulation high-abrasive material such as polrvinyl chloride, polyethylene or polyolefin. Two insulation core wires 1 are divided into redness and black by insulating barrier 12, and the personnel that can be easy to install and maintain distinguish in actual use Two insulation core wires 1.It is understood that the color of insulating barrier 12 is not limited to red and this color of black combination, acceptable It is other colors combination that can play differentiation effect, such as redness and Lycoperdon polymorphum Vitt etc..
Tension head-rope 2 includes the load-bearing wire rope core 21 positioned at tension head-rope 2 center and is coated on described load-bearing wire rope core 21 Outside overcoat 22.Tension head-rope 2 is while playing tension load-bearing effect it is also possible to use as earth lead.
Fig. 2 shows the cross section structure schematic diagram of load-bearing wire rope core 21 in the present embodiment, play tension load-bearing and ground connection effect Load-bearing wire rope core 21 preferably employs seven groups of steel wire groups 211 and is made by twisting, and wherein every group of steel wire group 211 is by seven super soft and fine steel wires 212 are made by twisting;By the insulation high-abrasive material such as polyethylene be coated on described load-bearing wire rope core 21 outside form overcoat 22 it is ensured that Load-bearing wire rope core 21 will not be ground away insulation core wire 1.It is understood that the group number of steel wire group 211 described in load-bearing wire rope core 21 and The quantity of super soft and fine steel wire 212 described in every group of steel wire group 211 is can to change however it is not limited to seven, but excellent in the present invention Elect seven groups of steel wire groups 211 and seven super soft and fine steel wires 212 as, because seven cross sections are the stranded gained of wire rod of circular cross-section The shape of cross section of wire rod combination is close to full circle, and the wire rod combinative structure of gained is stable, and the stress of every wire rod is equal Even.
Described red and black two insulated wire cores 1 are twisted together by the way of bundle strand with tension head-rope 2, And it is stranded together to add inserts 6, form a branch of electric wire core.Adding inserts 6 is to fill up two stranded covered wires Outer gap between core 1 and tension head-rope 2 is it is ensured that the electric wire core cross section of stranded gained is close to complete circle.Can To be understood by, the quantity of insulation core wire 1 and tension head-rope is not limited to this, and the present embodiment only gives the side of being preferable to carry out Formula, particular number can adjust according to actual needs, and such as increasing tension load bearing effect, tension head-rope 2 can increase and is Two or two with first-class, here will not enumerate.
Additionally, the external diameter size of tension head-rope 2 is identical with the external diameter size of insulating barrier 12 in described insulation core wire 1, hold Weight wire rope core 21 includes seven groups of steel wire groups 211, and every group of steel wire group 211 includes seven super soft and fine steel wires 212 respectively, and above structure makes The soft durometer of tension head-rope 2 is consistent with described insulation core wire 1.When being bent by external force, bundle strand together anti- Draw head-rope 2 and two described insulation core wire 1 energy uniform stresseds, it is to avoid rupture because overstress concentrates;Meanwhile, by tension Head-rope 2 is twisted together with insulation core wire 1, makes tension head-rope 2 load-bearing effect in whole electric wire core uniform, it is to avoid The lower screen layer of external force effect and restrictive coating shift or sliding.
Wheat drawstring 3 tightly wrapped in the electric wire core by insulated wire cores 1, tension head-rope 2 and the stranded gained of inserts 6 Outside, and the wrapped Duplication of wheat drawstring 3 is more than 15% it is ensured that electric wire core will not loosen, that is, the twisting pitch of electric wire core, Stranded external diameter etc. will not occur large change because of loosening.
Screen layer 4 is located between electric wire core and restrictive coating 5, is coated on the outer of described wheat drawstring 3 in the present embodiment Portion, its coverage rate outside in described Novel tensile communication cable is more than 80% to increase the jamproof effect of shielding so that signal Transmission is more safe and reliable.Screen layer 4 can pass through weaving from aluminium foil or tinned copper wire and be obtained.
Restrictive coating 5 passes through extrusion operation, is coated on screen layer 4 outside and is obtained by the way of crowded tubular type, described restrictive coating 5 The preferably insulation such as polrvinyl chloride, polyethylene or polyolefin high-abrasive material, makes Novel tensile communication cable become the whole of rounding light Body, while protection internal wire rod, effectively extends the service life of Novel tensile communication cable.
A kind of method manufacturing the described Novel tensile communication cable for far-end Automatic meter reading system of offer:
S1, manufacture two insulation core wires 1: be conductor using single anaerobic soft copper silk or using many anaerobic soft copper silk bundle strands 11, and the area of described conductor 11 cross section is between 0.5 square millimeter to 1 square millimeter, preferably 0.75 square millimeter;? The outside of two described conductors 11 is respectively coated by the red insulating barrier 12 with black so that red and black two piece described insulation are obtained Heart yearn 1, wherein, described insulating barrier 12 can be from insulant such as polrvinyl chloride, polyethylene or polyolefin;
S2, manufacture tension head-rope 2: one group steel wire group 211 is obtained by stranded for seven super soft and fine steel wires 212, then by seven Organize described steel wire group 211 and be made by twisting a load-bearing wire rope core 21;The insulant such as polyethylene are coated on described load-bearing wire rope core 21 Outside form overcoat 22, and then described tension head-rope 2 is obtained;
S3, the described Novel tensile communication cable of manufacture: two described insulated wire cores 1, steps s2 being obtained in step s1 In be obtained described tension head-rope 2 and inserts 6 by the way of bundle strand stranded formation a branch of cross section connect rotund Electric wire core;In the wrapped one layer of wheat drawstring 3 in the outside of described electric wire core and wheat drawstring 3 Duplication be more than 15%;Then, exist The outside of described wheat drawstring 3 coats one layer of screen layer 4 by weaving, and the coverage rate of described screen layer 4 is more than 80%;? Afterwards, by the way of crowded tubular type, the insulation high-abrasive material such as polrvinyl chloride, polyethylene or polyolefin is coated on described screen layer 4 Outside formation restrictive coating 5, and then described Novel tensile communication cable is obtained.
It is understood that the order of step s1 and step s2 can exchange.Mould used in manufacturing process and control Condition processed is prior art, so being not described in detail.
In sum, made using many super soft and fine steel wires 212 because increased in the Novel tensile communication cable in the present invention The tension head-rope 2 becoming, thus there is very strong tension weight capacity and bend resistance ability, tension head-rope 2 is playing tension Can also use as earth lead while load-bearing effect;Tension head-rope includes being coated on the protection outside described load-bearing wire rope core 21 Layer 22, can ensure that during use that steel wire 212 will not be ground away insulation core wire 1;The conductor 11 of insulation core wire 1 uses anaerobic soft copper silk It is obtained, and preferably 0.75 square millimeter of the area of described conductor 11 cross section, insulation while ensureing suitable transmission range Heart yearn 1 also has preferable tension and tear resistance, extends the service life of Novel tensile communication cable;By insulation core wire 1 and tension head-rope 2 twist together formation electric wire core so that tension head-rope 2 uniform force in whole electric wire core, Screen layer and restrictive coating under external force is avoided to shift or sliding.

Claims (1)

1. a kind of Novel tensile communication cable, for far-end Automatic meter reading system it is characterised in that including electric wire core and cladding Restrictive coating (5) outside in described electric wire core, described electric wire core includes the insulation core wire (1) for transmission signal and is used for Tension load-bearing and the tension head-rope (2) playing earth lead effect, described insulation core wire (1) and described tension head-rope (2) are stranded Form described electric wire core;
Described insulation core wire (1) includes conductor (11) and is coated on the outside insulating barrier (12) of described conductor (11);Described tension Head-rope (2) includes the load-bearing wire rope core (21) for load-bearing and being grounded and is used for preventing described load-bearing wire rope core (21) abrasion described The overcoat (22) of insulation core wire (1);Described load-bearing wire rope core (21) includes multigroup steel wire group (211), described multigroup steel wire group (211) stranded prepared described load-bearing wire rope core (21);Steel wire group (211) described in every group includes many steel wires (212), described many steel Silk (212) is stranded to be obtained described steel wire group (211);Described overcoat (22) is coated on the outside of described load-bearing wire rope core (21);Also Including the inserts (6) for guaranteeing described electric wire core rounding, described inserts (6) and described insulated wire cores (1) and institute State tension head-rope (2) the described electric wire core of stranded formation;Described conductor (11) includes single copper wire or includes many thin copper wires, Wherein, described many thin copper wires pass through the described conductor of stranded formation (11);The area of described conductor (11) cross section is at 0.5 square Millimeter is between 1 square millimeter;The external diameter size of described tension head-rope (2) and insulating barrier described in described insulation core wire (1) (12) external diameter size is identical;Also include wrapped wheat drawstring (3) outside in described electric wire core, described wheat drawstring (3) is wrapped Duplication be more than 15%;
Also include the screen layer (4) between described electric wire core and described restrictive coating (5), described screen layer is coated on described The outside of wheat drawstring (3), its coverage rate outside in described Novel tensile communication cable is more than 80%, from aluminium foil or tin plating Copper wire passes through weaving and is obtained;
The manufacture method of described Novel tensile communication cable comprises the following steps:
S1, manufacture insulation core wire (1): be conductor (11) using single soft copper silk or using many soft copper silk bundle strands, and described lead The area of body (11) cross section is between 0.5 square millimeter to 1 square millimeter;Insulant is coated on described conductor (11) Outside formation insulating barrier (12), is obtained described insulation core wire (1);
S2, manufacture tension head-rope (2): one group steel wire group (211) is obtained by stranded for many super soft and fine steel wires (212), then general Multigroup described steel wire group (211) is stranded to be obtained a load-bearing wire rope core (21);Insulant is coated on described load-bearing wire rope core (21) Outside form overcoat (22), described tension head-rope (2) is obtained;
S3, the described Novel tensile communication cable of manufacture: by the described insulated wire cores (1) being obtained in two steps s1, step s2 Prepared described tension head-rope (2) and the electric wire core of inserts (6) bundle strand formation one rounding;In described electric wire core Outside wrapped one layer of wheat drawstring (3), then, in one layer of screen layer (4) of outside cladding of described wheat drawstring (3);Finally, will insulate High-abrasive material is coated on the outside of described screen layer (4) by way of extruding and forms restrictive coating (5), and described Novel tensile is obtained Communication cable.
CN201310753779.XA 2013-12-31 2013-12-31 Novel tensile communication cable and manufacturing method thereof Active CN104751960B (en)

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CN109599228A (en) * 2018-12-10 2019-04-09 查正春 A kind of sound equipment small signal transmssion line manufacture craft of twin-core band shielding

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4956523A (en) * 1989-05-05 1990-09-11 United Wire & Cable (Canada) Inc. Armoured electric cable with integral tensile members
CN103325481A (en) * 2013-06-25 2013-09-25 江苏红峰电缆集团有限公司 High-tensile multi-core rubber sleeve cable
CN103474159A (en) * 2013-09-23 2013-12-25 铜陵中冠电缆有限公司 Movable self-bearing high-flame retardance metallic shield monitoring flexible cable for coal mine
CN203760167U (en) * 2013-12-31 2014-08-06 深圳市联嘉祥科技股份有限公司 Novel tensile communication cable

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4956523A (en) * 1989-05-05 1990-09-11 United Wire & Cable (Canada) Inc. Armoured electric cable with integral tensile members
CN103325481A (en) * 2013-06-25 2013-09-25 江苏红峰电缆集团有限公司 High-tensile multi-core rubber sleeve cable
CN103474159A (en) * 2013-09-23 2013-12-25 铜陵中冠电缆有限公司 Movable self-bearing high-flame retardance metallic shield monitoring flexible cable for coal mine
CN203760167U (en) * 2013-12-31 2014-08-06 深圳市联嘉祥科技股份有限公司 Novel tensile communication cable

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