CN104751960A - Novel tensile communication cable and manufacturing method thereof - Google Patents
Novel tensile communication cable and manufacturing method thereof Download PDFInfo
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- CN104751960A CN104751960A CN201310753779.XA CN201310753779A CN104751960A CN 104751960 A CN104751960 A CN 104751960A CN 201310753779 A CN201310753779 A CN 201310753779A CN 104751960 A CN104751960 A CN 104751960A
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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
Technical field
The present invention relates to a kind of communication cable, particularly relate to a kind of Novel tensile communication cable and manufacture method thereof.
Background technology
The development of intellectualizing system, bring the application development of the industries such as water, electricity, combustion gas, far-end automatic remote kilowatt meter reading-out system is exactly a good embodiment, far-end Automatic meter reading system integrates intelligent meter, computer, network communications technology, have in real time/regularly, the automatic centralized reading management system copying and accepting, store, inquire about, add up and show the functions such as tool control of gauge table information of having fixed a point.This wherein, transfer of data is the nervous system of system, transmits the process of data between data source and data sink, is need to have been come by communication cable.The invention provides a kind of Novel tensile communication cable product, fill up the blank in this segmentation field of far-end automatic data logging communication cable.
Summary of the invention
The technical problem to be solved in the present invention is, for the blank of current communication cable in this segmentation field of far-end automatic data logging, provides that a kind of tension weight capacity is strong, the Novel tensile communication cable of long service life and manufacture method thereof.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of Novel tensile communication cable, for far-end Automatic meter reading system, comprise electric wire core and the restrictive coating being coated on described electric wire core outside, described electric wire core comprises for the insulation core wire of signal transmission with for tension load-bearing and the tension head-rope playing earth connection effect, described insulation core wire and the described electric wire core of the stranded formation of described tension head-rope; Described insulation core wire comprises conductor and is coated on the insulating barrier of described conductor outside; Described tension head-rope comprises the load-bearing wire rope core for load-bearing and ground connection.
Described load-bearing wire rope core comprises many group steel wire groups, the stranded obtained described load-bearing wire rope core of described many group steel wire groups; Often organize described steel wire group and comprise many steel wires, the stranded obtained described steel wire group of described many steel wires.
Described tension head-rope also comprises for preventing described load-bearing wire rope core to wear and tear the overcoat of described insulation core wire, and it is outside that described overcoat is coated on described load-bearing wire rope core.
Described Novel tensile communication cable also comprises the inserts for guaranteeing described electric wire core rounding, described inserts and described insulated wire cores and the described electric wire core of the stranded formation of described tension head-rope.
Described conductor comprises single copper wire or comprises many thin copper wires, and wherein, described many thin copper wires are by the described conductor of stranded formation.
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 comprises the wrapped wheat drawstring in described electric wire core outside.
Described Novel tensile communication cable also comprises the screen 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: use single soft copper silk or use many soft copper tow strands to be conductor, and the area of described conductors cross is between 0.5 square millimeter to 1 square millimeter; Outside insulating material being coated on described conductor forms insulating barrier, obtained described insulation core wire;
S2, manufacture tension head-rope: by the many stranded obtained one group of steel wire group of super soft and fine steel wire, then will organize the stranded obtained load-bearing wire rope core of described steel wire group more; Outside insulating material being coated on described load-bearing wire rope core forms overcoat, obtained described tension head-rope;
S3, manufacture described Novel tensile communication cable: by the electric wire core of described tension head-rope obtained in described insulated wire cores obtained in two step S1, step S2 and inserts bundle strand formation one rounding; At outside wrapped one deck wheat drawstring of described electric wire core, then, at the coated one deck screen in the outside of described wheat drawstring; Finally, the outside that insulation high-abrasive material is coated on described screen by the mode of extruding is formed restrictive coating, obtained described Novel tensile communication cable.
Implement Novel tensile communication cable of the present invention, its beneficial effect is: add the tension head-rope using many super soft and fine steel wires to make, thus have very strong tension weight capacity and bend resistance ability, tension head-rope can also use as earth connection while playing tension load-bearing effect; Tension head-rope comprises the overcoat being coated on described load-bearing wire rope core outside, to guarantee in use procedure that steel wire can not be ground away insulation core wire; The conductor of insulation core wire uses anaerobic soft copper silk to obtain, and the area of described conductors cross preferably 0.75 square millimeter, while ensureing suitable transmission range, insulation core wire also has good tension and tear resistance, extends the useful life of Novel tensile communication cable; Insulation core wire and tension head-rope are twisted together and forms electric wire core, make tension head-rope uniform force in whole electric wire core, avoid screen and restrictive coating under external force that skew or slippage occur; The setting of screen makes described Novel tensile communication cable have good electromagnetism interference performance.
Accompanying drawing explanation
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.
Embodiment
For in prior art, in this segmentation field of far-end automatic data logging, the present situation set foot in is rarely had to communication cable, the invention provides a kind of Novel tensile communication cable to fill up the blank in this field.Novel tensile communication cable of the present invention, because adding the tension head-rope be made up of many super soft and fine steel wires, thus has very strong tension weight capacity and bend resistance ability, and tension head-rope can also use as earth connection while playing tension load-bearing effect; Overcoat in tension head-rope to guarantee in use procedure that steel wire can not be ground away insulation core wire; Meanwhile, insulation core wire and tension head-rope are twisted together and forms electric wire core, make tension head-rope uniform force in whole electric wire core, avoid screen and restrictive coating under external force that skew or slippage occur; The setting of screen makes described Novel tensile communication cable have good electromagnetism interference performance.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be understood that, specific embodiment described herein only for explaining the present 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 cable comprises two insulation core wires 1 and a tension head-rope 2, and tension head-rope 2 and described two insulation core wires 1 are to restraint a branch of electric wire core of the stranded formation of the mode of twisting; Novel tensile communication cable also comprises the wheat drawstring 3 being coated on electric wire core outside, the screen 4 being coated on described wheat drawstring 3 outside and is wrapped in the restrictive coating 5 of described screen 4 outside.
Insulation core wire 1 is copper core electric wire, comprises the conductor 11 for signal transmission and the insulating barrier 12 being coated on conductor 11 outside.In the present embodiment, two insulation core wires 1 of Novel tensile communication cable are divided into redness and black, are communicated with between data source and data sink with signal transmission by red and black two insulation core wires 1.
Wherein, conductor 11 can be selected single anaerobic soft copper silk or is stranding into by many anaerobic soft copper tow, and soft copper silk has the advantage that ductility is strong and bend resistance ability is strong, effectively can extend the useful life of Novel tensile communication cable.In addition, the size of the cross-sectional area of the conductor 11 using soft copper silk to make can affect the maximum transmission distance of signal, and general maximum transmission distance is no more than 300 meters.Institute thinks that guarantee signal maximum transmission distance is suitable for, and the area of conductor 11 cross section, between 0.5 square millimeter to 1 square millimeter, is preferably 0.75 square millimeter.
Insulating barrier 12 makes red and black two kinds as required, and the outside being coated on described conductor 11 respectively forms two insulation core wires 1 that are red and black, and insulating barrier 12 can select the insulation high-abrasive materials such as polyvinyl 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 two insulation core wires 1 in actual use.Be understandable that, the color of insulating barrier 12 is not limited to red and this color combination of black, can also be other color combination that can play differentiation effect, such as redness and grey etc.
Tension head-rope 2 comprises the load-bearing wire rope core 21 being positioned at tension head-rope 2 center and the overcoat 22 being coated on described load-bearing wire rope core 21 outside.Tension head-rope 2, while playing tension load-bearing effect, also can use as earth connection.
Fig. 2 shows the cross section structure schematic diagram of load-bearing wire rope core 21 in the present embodiment, and the load-bearing wire rope core 21 playing tension load-bearing and ground connection effect preferably adopts that seven groups of steel wire groups 211 are stranded to be made, and wherein often organizes steel wire group 211 and makes by seven super soft and fine steel wires 212 are stranded; The outside that the insulation such as polyethylene high-abrasive material is coated on described load-bearing wire rope core 21 is formed overcoat 22, guarantees that load-bearing wire rope core 21 can not be ground away insulation core wire 1.Be understandable that, the group number of steel wire group 211 described in load-bearing wire rope core 21 and the quantity often organizing super soft and fine steel wire 212 described in steel wire group 211 can change, be not limited to seven, but be preferably seven groups of steel wire groups 211 and seven super soft and fine steel wires 212 in the present invention, because seven cross sections are that the shape of cross section of the wire rod combination of the stranded gained of wire rod of circular cross-section is close to full circle, and the wire rod combining structure of gained is stablized, the uniform force of every root wire rod.
Two insulated wire cores 1 of described redness and black and tension head-rope 2 are adopted and restraints the mode of twisting and twist together, and it is stranded together to add inserts 6, forms a branch of electric wire core.Interpolation inserts 6 is the outer gap in order to fill up between two stranded insulated wire cores 1 and tension head-rope 2, guarantees that the electric wire core cross section of stranded gained is close to complete circle.Be understandable that, the quantity of insulation core wire 1 and tension head-rope is not limited to this, the present embodiment only gives preferred implementation, concrete quantity can adjust according to actual needs, such as increasing tension load bearing effect, tension head-rope 2 can increase to two or two with first-class, will not enumerate at this.
In addition, 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, load-bearing wire rope core 21 comprises seven groups of steel wire groups 211, and often group steel wire group 211 comprises seven super soft and fine steel wires 212 respectively, above structure makes the soft durometer of tension head-rope 2 consistent with described insulation core wire 1.Be subject in the situations such as external force bending, restrainting the tension head-rope 2 and two described insulation core wire 1 energy uniform stresseds that twist together, avoid because overstress concentrates and rupture; Meanwhile, tension head-rope 2 and insulation core wire 1 are twisted together, makes tension head-rope 2 load-bearing even action in whole electric wire core, avoid screen and restrictive coating under external force that skew or slippage occur.
The tightly wrapped outside at the electric wire core by insulated wire cores 1, tension head-rope 2 and the stranded gained of inserts 6 of wheat drawstring 3, and the wrapped Duplication of wheat drawstring 3 is greater than 15%, guarantee that electric wire core can not loosen, namely can not there is larger change because of loosening in the twisting pitch, stranded external diameter etc. of electric wire core.
Screen 4 is between electric wire core and restrictive coating 5, the outside being coated on described wheat drawstring 3 in the present embodiment, it is greater than 80% to increase the jamproof effect of shielding in the coverage rate of described Novel tensile communication cable outside, makes Signal transmissions more safe and reliable.Screen 4 can select aluminium foil or tinned copper wire to be obtained by weaving.
Restrictive coating 5 is by extruding operation; the mode of squeezing tubular type is adopted to be coated on screen 4 outside obtained; the insulation high-abrasive materials such as described restrictive coating 5 preferred polyvinyl chloride, polyethylene or polyolefin; Novel tensile communication cable is made to become the entirety of rounding light; while the inner wire rod of protection, effectively extend the useful life of Novel tensile communication cable.
There is provided a kind of manufacture for the method for the described Novel tensile communication cable of far-end Automatic meter reading system:
S1, manufacture two insulation core wires 1: use single anaerobic soft copper silk or use many anaerobic soft copper tow strands to be conductor 11, and the area of described conductor 11 cross section is between 0.5 square millimeter to 1 square millimeter, is preferably 0.75 square millimeter; In the outside of two described conductors 11, the insulating barrier 12 of coated redness and black is with obtained redness and the described insulation core wire 1 of black two respectively, and wherein, described insulating barrier 12 can select the insulating material such as polyvinyl chloride, polyethylene or polyolefin;
S2, manufacture tension head-rope 2: by seven stranded obtained one group of steel wire groups 211 of super soft and fine steel wire 212, then make a load-bearing wire rope core 21 by stranded for steel wire group 211 described in seven groups; The outside insulating material such as polyethylene being coated on described load-bearing wire rope core 21 forms overcoat 22, and then obtained described tension head-rope 2;
S3, manufacture described Novel tensile communication cable: described tension head-rope 2 obtained in two described insulated wire cores 1 obtained in step S1, step S2 and inserts 6 are adopted a branch of cross section of the stranded formation of mode of bundle strand to connect rotund electric wire core; Described electric wire core outside wrapped one deck wheat drawstring 3 and the Duplication of wheat drawstring 3 is greater than 15%; Then, in the outside of described wheat drawstring 3 by the coated one deck screen 4 of weaving, and the coverage rate of described screen 4 is greater than 80%; Finally, the outside adopting the mode of squeezing tubular type the insulation high-abrasive materials such as polyvinyl chloride, polyethylene or polyolefin to be coated on described screen 4 forms restrictive coating 5, and then obtained described Novel tensile communication cable.
Be understandable that, the order of step S1 and step S2 can exchange.The mould used in manufacturing process and controlled condition are prior aries, so be not described in detail.
In sum, because adding the tension head-rope 2 using many super soft and fine steel wires 212 to make in Novel tensile communication cable in the present invention, thus have very strong tension weight capacity and bend resistance ability, tension head-rope 2 can also use as earth connection while playing tension load-bearing effect; Tension head-rope comprises the overcoat 22 being coated on described load-bearing wire rope core 21 outside, to guarantee in use procedure that steel wire 212 can not be ground away insulation core wire 1; The conductor 11 of insulation core wire 1 uses anaerobic soft copper silk to obtain, and the area preferably 0.75 square millimeter of described conductor 11 cross section, while ensureing suitable transmission range, insulation core wire 1 also has good tension and tear resistance, extends the useful life of Novel tensile communication cable; Insulation core wire 1 and tension head-rope 2 are twisted together and forms electric wire core, make tension head-rope 2 uniform force in whole electric wire core, avoid screen and restrictive coating under external force that skew or slippage occur.
Claims (10)
1. a Novel tensile communication cable, for far-end Automatic meter reading system, it is characterized in that, comprise electric wire core and the restrictive coating (5) being coated on described electric wire core outside, described electric wire core comprises for the insulation core wire (1) of signal transmission with for tension load-bearing and the tension head-rope (2) playing earth connection effect, described insulation core wire (1) and the described electric wire core of described tension head-rope (2) stranded formation;
Described insulation core wire (1) comprises conductor (11) and is coated on the outside insulating barrier (12) of described conductor (11); Described tension head-rope (2) comprises the load-bearing wire rope core (21) for load-bearing and ground connection.
2. Novel tensile communication cable according to claim 1, is characterized in that, described load-bearing wire rope core (21) comprises many groups steel wire group (211), the stranded obtained described load-bearing wire rope core (21) of described many groups steel wire group (211); Often organize described steel wire group (211) and comprise many steel wires (212), the stranded obtained described steel wire group (211) of described many steel wires (212).
3. Novel tensile communication cable according to claim 1, it is characterized in that, described tension head-rope (2) also comprises for preventing described load-bearing wire rope core (21) to wear and tear the overcoat (22) of described insulation core wire (1), and described overcoat (22) is coated on the outside of described load-bearing wire rope core (21).
4. according to the Novel tensile communication cable described in claim 1, it is characterized in that, also comprise the inserts (6) for guaranteeing described electric wire core rounding, described inserts (6) and described insulated wire cores (1) and the described electric wire core of described tension head-rope (2) stranded formation.
5. Novel tensile communication cable according to claim 1, is characterized in that, described conductor (11) comprises single copper wire or comprises many thin copper wires, and wherein, described many thin copper wires are by the described conductor of stranded formation (11).
6. Novel tensile communication cable according to claim 1, is characterized in that, the area of described conductor (11) cross section is between 0.5 square millimeter to 1 square millimeter.
7. Novel tensile communication cable according to claim 1, is characterized in that, the external diameter size of described tension head-rope (2) is identical with the external diameter size of insulating barrier (12) described in described insulation core wire (1).
8. the Novel tensile communication cable according to any one of claim 1 to 7, is characterized in that, also comprises the wrapped wheat drawstring (3) in described electric wire core outside.
9. Novel tensile communication cable according to claim 1, is characterized in that, also comprises the screen (4) be positioned between described electric wire core and described restrictive coating (5).
10. manufacture a method for Novel tensile communication cable, it is characterized in that, comprise the following steps:
S1, manufacture insulation core wire (1): use single soft copper silk or use many soft copper tow strands to be conductor (11), and the area of described conductor (11) cross section is between 0.5 square millimeter to 1 square millimeter; Outside insulating material being coated on described conductor (11) forms insulating barrier (12), obtained described insulation core wire (1);
S2, manufacture tension head-rope (2): by the many stranded obtained one group of steel wire group (211) of super soft and fine steel wire (212), then will organize the stranded obtained load-bearing wire rope core (21) of described steel wire group (211) more; Outside insulating material being coated on described load-bearing wire rope core (21) forms overcoat (22), obtained described tension head-rope (2);
S3, manufacture described Novel tensile communication cable: by the electric wire core of described tension head-rope (2) obtained in described insulated wire cores (1) obtained in two step S1, step S2 and inserts (6) bundle strand formation one rounding; In the outside wrapped one deck wheat drawstring (3) of described electric wire core, then, the coated one deck screen (4) in the outside of described wheat drawstring (3); Finally, the outside that insulation high-abrasive material is coated on described screen (4) by the mode of extruding is formed restrictive coating (5), obtained described Novel tensile communication cable.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310753779.XA CN104751960B (en) | 2013-12-31 | 2013-12-31 | Novel tensile communication cable and manufacturing method thereof |
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| CN201310753779.XA CN104751960B (en) | 2013-12-31 | 2013-12-31 | Novel tensile communication cable and manufacturing method thereof |
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| CN104751960A true CN104751960A (en) | 2015-07-01 |
| CN104751960B CN104751960B (en) | 2017-01-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| 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 |
-
2013
- 2013-12-31 CN CN201310753779.XA patent/CN104751960B/en active Active
Patent Citations (4)
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN104751960B (en) | 2017-01-18 |
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Effective date of registration: 20210917 Address after: 241000 Fanchang County Economic Development Zone, Wuhu City, Anhui Province Patentee after: ANHUI LIANJIAXIANG SPECIAL CABLE Co.,Ltd. Address before: 518000 floors 2 and 3, building 113, Jindi Industrial Zone, Shazui, Futian District, Shenzhen, Guangdong Patentee before: SHENZHEN LIANJIAXIANG SCIENCE & TECHNOLOGY Co.,Ltd. |
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