CN105023630A - Cable with simple structure and optical cable with simple structure - Google Patents
Cable with simple structure and optical cable with simple structure Download PDFInfo
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- CN105023630A CN105023630A CN201510298098.8A CN201510298098A CN105023630A CN 105023630 A CN105023630 A CN 105023630A CN 201510298098 A CN201510298098 A CN 201510298098A CN 105023630 A CN105023630 A CN 105023630A
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Abstract
The invention relates to the field of wire cable and material technology and especially to a cable with simple structure. The cable is composed of multiple conductors and a sheath layer wrapping the conductors and is characterized in that a sheath layer material is arranged between any two adjacent conductors; in the cross section of the cable, the edge of any conductor is located in the boundary of the sheath layer; and the multiple conductors are distributed along the sheath layer and any two conductors are not in contact. The invention also discloses an optical cable with simple structure and a formula of the used sheath material. The cable has beneficial effects of simpler structure, lower cost, easier manufacture, and lower equipment investment in manufacture.
Description
The application is that application name is called: a kind of cable with simple structure and manufacture method thereof, application number are: 2013102280017, the applying date is: the divisional application of the patent of invention of on 06 08th, 2013; Female case require that the applying date be on 03 16th, 2013, application number is the priority of 2013100834460.
Technical field
The present invention relates to wire & cable and raw matrials technical field, especially relate to a kind of cable with simple structure and easy structure optical cable.
Background technology
Wires and cables industry is the maximum supporting industry of mechanical industry, and the output value is only second to automobile, is the second largest output value industry of mechanical industry; Along with industrialized development, cable apply by all trades and professions.In prior art, conventional power transmission cable major part is made up of multiple stranded insulated wire cores, the restrictive coating of extrusion molding outside insulated wire cores, insulated wire cores is made up of the conductor and the insulating barrier be coated on outside conductor that are positioned at inside, and this cable needs just can complete production through insulation operation, extrusion molding operation; But along with the day by day violent of competition and the demand for rapid construction, the expectation of electric wire industry occurs more cheaply, more easy working cable.
Summary of the invention
In order to solve the problem, an object of the present invention discloses a kind of cable with simple structure and easy structure optical cable; Further, another object of the present invention discloses the manufacture method of this kind of cable.
For achieving the above object, the present invention realizes by the following technical solutions.
A kind of cable with simple structure, it is made up of many conductors, the restrictive coating that enveloped by conductor; Between two conductors that it is characterized in that arbitrary neighborhood, there is jacket layer material; On the cross section of cable, the edge of any conductor is all positioned within the border of restrictive coating; Described many conductors along restrictive coating distribution, and are discontiguous between any two conductors.
Cable with simple structure described above, is characterized in that described conductor is single copper bar or single aluminium bar or the single body of rod having two or more metal composite and formed.
Cable with simple structure described above, is characterized in that described conductor is the electric conductor that the stranded or binding of many metallic rod bodies is formed.
Cable with simple structure described above, is characterized in that the cross section of described conductor is circle or partial circle shape or fans annular.
Cable with simple structure described above, is characterized in that the cross-sectional area of described conductor is equal or entirely inequal or entirely unequal.
Cable with simple structure described above, when the cross section of conductor is circular, on arbitrary cross section of cable, it is characterized in that the center of circle of described all conductors is positioned at circumferentially same or has the center of circle of plural conductor to be positioned at the center of circle of circumferentially same or all conductors not circumferentially same, described circumference is the circumference of the center superposition of the center of circle and restrictive coating.
Cable with simple structure described above, is characterized in that the central authorities of described restrictive coating have light unit, at least includes an optical fiber in described smooth unit.
Cable with simple structure described above, is characterized in that described optical fiber is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or plastic fiber.
Cable with simple structure described above, is characterized in that the recognition unit described restrictive coating had for identifying conductor, described recognition unit be shape different first identify bar and second identify bar; Described identification bar along the distribution of restrictive coating outer rim, and is distribute continuously or intermittently.
Cable with simple structure described above, is characterized in that the material of described restrictive coating is polyvinyl chloride or low smoke and zero halogen polyethylene or nylon or low-smoke low-halogen polyethylene or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE).
Cable with simple structure described above, is characterized in that the material of described restrictive coating comprises following component by weight: polyethylene: 82 ~ 84 parts, ethene-vinyl acetate co-polymer: 5 ~ 7 parts, fire retardant: 5 ~ 7 parts, coupling agent: 0.5 ~ 1.5 part, antioxidant: 1 ~ 3 part, melamine: 0.5 ~ 1.5 part, ethyl silicon oil: 0.5 ~ 1.5 part, poly dimethyl silicon siloxanes: 1 ~ 3 part, titanium dioxide or carbon black: 2 ~ 4.5 parts; Described fire retardant is magnesium hydroxide or aluminium hydroxide or sodium acid carbonate; The model that described coupling agent is is TMC-38S; Described antioxidant is thio-2 acid octadecyl ester.
In the material of above-mentioned restrictive coating, high density polyethylene content ensure that insulation and the withstand voltage properties of restrictive coating; Fire retardant makes restrictive coating be provided with fire-retardant, fire resistance; Adding of melamine makes ant, muroid can not injure cable for the second time; Ethyl silicon oil on the one hand makes jacket layer material easily process, make on the other hand its not easily with conductor adhesion, make protective cover material more easily process and extrusion molding simultaneously; Poly dimethyl silicon siloxanes makes jacket layer material work in-process there will not be bubble; Titanium dioxide or carbon black make restrictive coating have UV resistance function, under high light, also can keep ESCR performance for a long time.
Insulation, proof voltage, anti-ant, fire-retardant, fire resistance.In this cable, when adopting stranded conductor, product is soft, more easily continues to lay with construction.
A kind of cable with simple structure, is characterized in that it manufactures by the following method and obtains:
The first step: synnema step: in a strand winder, by many metallic rod bodies by stranded or binding formation conductor; Many conductors are formed by repeatedly synnema;
Second step: distraction step: the many conductors first step obtained first are each passed through the location hole on jig, then through the mistake conductor bores on core rod, then draw conductor and enter tank; Location hole wherein on jig is disconnected mutually between two, and location hole is parallel to each other excessively; Described core rod is arranged on the head of plastic extruding machine; Mistake conductor bores on core rod is disconnected mutually between two, and conductor bores is parallel to each other excessively; The edge crossing conductor bores is positioned within core rod outward flange;
3rd step: extrusion step: after conductor draws tank, opens plastic extruding machine, and the jacket layer material of thawing is entered by extrusion head in the gap of core rod and die sleeve, extrudes by fashion of extrusion outside conductor by sheath material; Wherein, the internal diameter of die sleeve is greater than the outer peripheral diameter of core rod; The material of described restrictive coating comprises following component by weight: polyethylene: 82 ~ 84 parts, ethene-vinyl acetate co-polymer: 5 ~ 7 parts, fire retardant: 5 ~ 7 parts, coupling agent: 0.5 ~ 1.5 part, antioxidant: 1 ~ 3 part, melamine: 0.5 ~ 1.5 part, ethyl silicon oil: 0.5 ~ 1.5 part, poly dimethyl silicon siloxanes: 1 ~ 3 part, titanium dioxide or carbon black: 2 ~ 4.5 parts; Described fire retardant is magnesium hydroxide or aluminium hydroxide or sodium acid carbonate; The model that described coupling agent is is TMC-38S; Described antioxidant is thio-2 acid octadecyl ester.
A kind of cable with simple structure, is characterized in that it manufactures by the following method and obtains:
The first step: synnema step: in a strand winder, by many metallic rod bodies by stranded or binding formation conductor; Multiple stage strand winder works simultaneously, forms many conductors;
Second step: distraction step: the many conductors first step obtained first are each passed through the location hole on jig, then through the mistake conductor bores on core rod, then draw conductor and enter tank; Location hole wherein on jig is disconnected mutually between two, and location hole is parallel to each other excessively; Described core rod is arranged on the head of plastic extruding machine; Mistake conductor bores on core rod is disconnected mutually between two, and conductor bores is parallel to each other excessively; The edge crossing conductor bores is positioned within core rod outward flange;
3rd step: extrusion step: after conductor draws tank, opens plastic extruding machine, and the jacket layer material of thawing is entered by extrusion head in the gap of core rod and die sleeve, extrudes by fashion of extrusion outside conductor by sheath material; Wherein, the internal diameter of die sleeve is greater than the outer peripheral diameter of core rod; The material of described restrictive coating comprises following component by weight: polyethylene: 82 ~ 84 parts, ethene-vinyl acetate co-polymer: 5 ~ 7 parts, fire retardant: 5 ~ 7 parts, coupling agent: 0.5 ~ 1.5 part, antioxidant: 1 ~ 3 part, melamine: 0.5 ~ 1.5 part, ethyl silicon oil: 0.5 ~ 1.5 part, poly dimethyl silicon siloxanes: 1 ~ 3 part, titanium dioxide or carbon black: 2 ~ 4.5 parts; Described fire retardant is magnesium hydroxide or aluminium hydroxide or sodium acid carbonate; The model that described coupling agent is is TMC-38S; Described antioxidant is thio-2 acid octadecyl ester.
A kind of cable with simple structure, is characterized in that it manufactures by the following method and obtains:
The first step: distraction step: many conductors are first each passed through the location hole on jig, then through the mistake conductor bores on core rod, then draw conductor and enter tank; Location hole wherein on jig is disconnected mutually between two, and location hole is parallel to each other excessively; Described core rod is arranged on the head of plastic extruding machine; Mistake conductor bores on core rod is disconnected mutually between two, and conductor bores is parallel to each other excessively; The edge crossing conductor bores is positioned within core rod outward flange; Wherein, described conductor is single copper bar or single aluminium bar or the single body of rod having two or more metal composite and formed;
Second step: extrusion step: after conductor draws tank, opens plastic extruding machine, and the jacket layer material of thawing is entered by extrusion head in the gap of core rod and die sleeve, extrudes by fashion of extrusion outside conductor by sheath material; Wherein, the internal diameter of die sleeve is greater than the outer peripheral diameter of core rod; The material of described restrictive coating comprises following component by weight: polyethylene: 82 ~ 84 parts, ethene-vinyl acetate co-polymer: 5 ~ 7 parts, fire retardant: 5 ~ 7 parts, coupling agent: 0.5 ~ 1.5 part, antioxidant: 1 ~ 3 part, melamine: 0.5 ~ 1.5 part, ethyl silicon oil: 0.5 ~ 1.5 part, poly dimethyl silicon siloxanes: 1 ~ 3 part, titanium dioxide or carbon black: 2 ~ 4.5 parts; Described fire retardant is magnesium hydroxide or aluminium hydroxide or sodium acid carbonate; The model that described coupling agent is is TMC-38S; Described antioxidant is thio-2 acid octadecyl ester.
Cable in the present invention, only has conductor and restrictive coating, and therefore, the outside diameter of cable of simpler, the same specification of structure is less, material cost is lower; Meanwhile, owing to having lacked isolation step, therefore, manufacture convenient, manufacture in machinery equipment drop into less, artificial/power consumption and more save; Therefore manufacturing cost is lower; In the present invention, the existence of recognition unit, can when not having insulating barrier and do not have colour recognition, and also identifiable design goes out the accurate location of conductor in cable, the existence of recognition unit not only can make conductor identifiable design, and reduces due to consumptive material therefore significantly reduce cost; The existence of light unit in the present invention, makes cable not only have the function of transmission of electricity, and can transmitting optical signal and for signal monitoring, expands the scope of application of cable widely.In the present invention, due to the special formulation of cable sheath material, cable is made to be provided with more excellent insulation, proof voltage, anti-ant, fire-retardant, fire resistance.In this cable, when adopting stranded conductor, product is soft, more easily continues to lay with construction.
Therefore, the present invention has following main beneficial effect: product structure is simpler, cost is lower, manufacture more easily, manufacture in equipment investment less.
Accompanying drawing explanation
Fig. 1 is the cross-sectional structure schematic diagram of embodiment 1 in the present invention.
Fig. 2 is the cross-sectional structure schematic diagram of embodiment 2 in the present invention.
Fig. 3 is the cross-sectional structure schematic diagram of embodiment 3 in the present invention.
Fig. 4 is the cross-sectional structure schematic diagram of embodiment 4 in the present invention.
Fig. 5 is the cross-sectional structure schematic diagram of embodiment 5 in the present invention.
Fig. 6 is the cross-sectional structure schematic diagram of embodiment 6 in the present invention.
Fig. 7 is the cross-sectional structure schematic diagram of embodiment 7 in the present invention.
Fig. 8 is the cross-sectional structure schematic diagram of embodiment 8 in the present invention.
Fig. 9 is the cross-sectional structure schematic diagram of embodiment 9 in the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, and embodiment 1 ~ embodiment 9 is the embodiment of cable of the present invention, and embodiment 10 ~ embodiment 12 is the embodiment of the manufacture method of cable of the present invention.
Embodiment 1
Refer to Fig. 1, a kind of cable with simple structure, it is made up of four conductors 1, the restrictive coating 2 that enveloped by conductor; Between two conductors that it is characterized in that arbitrary neighborhood, there is jacket layer material; On the cross section of cable, the edge of any conductor is all positioned within the border of restrictive coating; Described many conductors along restrictive coating distribution, and are discontiguous between any two conductors; Conductor is single copper bar or single aluminium bar or the single body of rod having two or more metal composite and formed; The cross section of conductor is circular; The cross-sectional area of conductor is equal.
Embodiment 2
Refer to Fig. 2, a kind of cable with simple structure, it is made up of four conductors, the restrictive coating 2 that enveloped by conductor; Described four conductors are the first conductor 11, second conductor 12, the 3rd conductor 13 and the 4th conductor 14; Between two conductors that it is characterized in that arbitrary neighborhood, there is jacket layer material; On the cross section of cable, the edge of any conductor is all positioned within the border of restrictive coating; Described many conductors along restrictive coating distribution, and are discontiguous between any two conductors; Conductor is single copper bar or single aluminium bar or the single body of rod having two or more metal composite and formed; The cross section of conductor is circular; The cross-sectional area of conductor is equal; On arbitrary cross section of cable, the center of circle of all conductors is positioned on same circumference 3, and described circumference is the circumference of the center superposition of the center of circle and restrictive coating.
Embodiment 3
Refer to Fig. 3, a kind of cable with simple structure, it is made up of four conductors, the restrictive coating 2 that enveloped by conductor; Described four conductors are the first conductor 11, second conductor 12, the 3rd conductor 13 and the 4th conductor 14; Between two conductors that it is characterized in that arbitrary neighborhood, there is jacket layer material; On the cross section of cable, the edge of any conductor is all positioned within the border of restrictive coating; Described many conductors along restrictive coating distribution, and are discontiguous between any two conductors; Conductor is single copper bar or single aluminium bar or the single body of rod having two or more metal composite and formed; The cross section of conductor is circular; The cross-sectional area of conductor is entirely inequal, and namely the cross-sectional area of the second conductor, the 3rd conductor, the 4th conductor is equal, but the cross-sectional area of the cross-sectional area of the second conductor and the first conductor is unequal; On arbitrary cross section of cable, the center of circle of all conductors has the center of circle of the conductor of more than three to be positioned on same circumference 3, namely the center of circle of the second conductor, the 3rd conductor, the 4th conductor is positioned on same circumference 3, and the center of circle of the first conductor is not positioned on circumference 3, described circumference is the circumference of the center superposition of the center of circle and restrictive coating.
Certainly, any one cable with simple structure described in above-mentioned embodiment 1 ~ embodiment 3, described conductor is not limited to four, can be two, three, five or other many.
Certainly, any one cable with simple structure described in above-mentioned embodiment 1 ~ embodiment 3, the cross-sectional area of described conductor can be entirely equal or entirely inequal or entirely unequal.
Certainly, any one cable with simple structure described in above-mentioned embodiment 1 ~ embodiment 3, on arbitrary cross section of cable, it is characterized in that the center of circle of described all conductors is positioned at circumferentially same or has the center of circle of plural conductor to be positioned at the center of circle of circumferentially same or all conductors not circumferentially same, described circumference is the circumference of the center superposition of the center of circle and restrictive coating.
Certainly, any one cable with simple structure described in above-mentioned embodiment 1 ~ embodiment 3, is characterized in that the cross section of described conductor also can be ellipse or other shape.
Embodiment 4
Refer to Fig. 4, a kind of cable with simple structure, it is made up of four conductors 1, the restrictive coating 2 that enveloped by conductor; Between two conductors that it is characterized in that arbitrary neighborhood, there is jacket layer material; On the cross section of cable, the edge of any conductor is all positioned within the border of restrictive coating; Described many conductors along restrictive coating distribution, and are discontiguous between any two conductors; Conductor is the electric conductor that the stranded or binding of many metallic rod bodies is formed; The cross section of conductor is circular; The cross-sectional area of conductor is equal.
Certainly, cable with simple structure described above, it can also be made up of four conductors, the restrictive coating 2 that enveloped by conductor as embodiment 2; Described four conductors are the first conductor 11, second conductor 12, the 3rd conductor 13 and the 4th conductor 14; Between two conductors that it is characterized in that arbitrary neighborhood, there is jacket layer material; On the cross section of cable, the edge of any conductor is all positioned within the border of restrictive coating; Described many conductors along restrictive coating distribution, and are discontiguous between any two conductors; Conductor is the electric conductor that the stranded or binding of many metallic rod bodies is formed; The cross section of conductor is circular; The cross-sectional area of conductor is equal; On arbitrary cross section of cable, the center of circle of all conductors is positioned on same circumference 3, and described circumference is the circumference of the center superposition of the center of circle and restrictive coating.
Certainly, cable with simple structure described above, it can also be form by by four conductors, the restrictive coating 2 that enveloped by conductor as embodiment 2; Described four conductors are the first conductor 11, second conductor 12, the 3rd conductor 13 and the 4th conductor 14; Between two conductors that it is characterized in that arbitrary neighborhood, there is jacket layer material; On the cross section of cable, the edge of any conductor is all positioned within the border of restrictive coating; Described many conductors along restrictive coating distribution, and are discontiguous between any two conductors; Conductor is the electric conductor that the stranded or binding of many metallic rod bodies is formed; The cross section of conductor is circular; The cross-sectional area of conductor is entirely inequal, and namely the cross-sectional area of the second conductor, the 3rd conductor, the 4th conductor is equal, but the cross-sectional area of the cross-sectional area of the second conductor and the first conductor is unequal; On arbitrary cross section of cable, the center of circle of all conductors has the center of circle of the conductor of more than three to be positioned on same circumference 3, namely the center of circle of the second conductor, the 3rd conductor, the 4th conductor is positioned on same circumference 3, and the center of circle of the first conductor is not positioned on circumference 3, described circumference is the circumference of the center superposition of the center of circle and restrictive coating.
Certainly, the cable with simple structure described in this embodiment, described conductor is not limited to four, can be two, three, five or other many.
Certainly, the cable with simple structure described in this embodiment, the cross-sectional area of described conductor can be entirely equal or entirely inequal or entirely unequal.
Certainly, cable with simple structure described in this embodiment, on arbitrary cross section of cable, it is characterized in that the center of circle of described all conductors is positioned at circumferentially same or has the center of circle of plural conductor to be positioned at the center of circle of circumferentially same or all conductors not circumferentially same, described circumference is the circumference of the center superposition of the center of circle and restrictive coating.
Certainly, the cable with simple structure described in this embodiment, is characterized in that the cross section of described conductor also can be ellipse or other shape.
Embodiment 5
Refer to Fig. 5, a kind of cable with simple structure, it is made up of two conductors 1, the restrictive coating 2 that enveloped by conductor; Between two conductors that it is characterized in that arbitrary neighborhood, there is jacket layer material; On the cross section of cable, the edge of any conductor is all positioned within the border of restrictive coating; Described many conductors along restrictive coating distribution, and are discontiguous between any two conductors; Conductor is the electric conductor that the stranded or binding of many metallic rod bodies is formed; The cross section of conductor is partial circle shape; The cross-sectional area of conductor is equal.
Certainly, the cable with simple structure described in this embodiment, the cross section of described conductor also can be other shape.
Certainly, the cable with simple structure described in this embodiment, described conductor also can be three, four, five or other many.
Certainly, the cable with simple structure described in this embodiment, the cross-sectional area of described conductor can be equal or entirely inequal or entirely unequal.
Certainly, the cable with simple structure described in this embodiment, preferably, on arbitrary cross section of cable, it is characterized in that the outward flange of described all conductors same first circumferentially, the inward flange of all conductors same second circumferentially; The center of circle of described first circumference, the second circumference coincides with the center of restrictive coating.
Certainly, the cable with simple structure described in this embodiment, on arbitrary cross section of cable, it is characterized in that described all conductors outward flange can not same first circumferentially, the inward flange of all conductors also can not same second circumferentially; The center of circle of described first circumference, the second circumference coincides with the center of restrictive coating.
Embodiment 6
Refer to Fig. 6, a kind of cable with simple structure, it is made up of three conductors 1, the restrictive coating 2 that enveloped by conductor; Between two conductors that it is characterized in that arbitrary neighborhood, there is jacket layer material; On the cross section of cable, the edge of any conductor is all positioned within the border of restrictive coating; Described many conductors along restrictive coating distribution, and are discontiguous between any two conductors; Conductor is the electric conductor that the stranded or binding of many metallic rod bodies is formed; The cross section of conductor is for partly fanning annular; The cross-sectional area of conductor is equal.
Certainly, the cable with simple structure described in this embodiment, the cross section of described conductor also can be other shape.
Certainly, the cable with simple structure described in this embodiment, described conductor also can be two, four, five or other many.
Embodiment 7
Refer to Fig. 7, a kind of cable with simple structure, substantially with embodiment 6, difference is: the cross-sectional area of described conductor has two for equal, and another is unequal.
Certainly, further, described conductor also can be two, four, five or other many; The cross-sectional area of described conductor can be entirely equal or entirely inequal or entirely unequal.
Certainly, any one cable with simple structure described in above-mentioned embodiment 6 ~ embodiment 7, preferably, on arbitrary cross section of cable, it is characterized in that the outward flange of described all conductors same first circumferentially, the inward flange of all conductors same second circumferentially; The center of circle of described first circumference, the second circumference coincides with the center of restrictive coating.
Certainly, any one cable with simple structure described in above-mentioned embodiment 6 ~ embodiment 7, on arbitrary cross section of cable, it is characterized in that described all conductors outward flange can not same first circumferentially, the inward flange of all conductors also can not same second circumferentially; The center of circle of described first circumference, the second circumference coincides with the center of restrictive coating.
Embodiment 8
Refer to Fig. 8, a kind of cable with simple structure, substantially with embodiment 6, difference is: the central authorities of described restrictive coating have light unit 4, at least includes three optical fibers 5 in described smooth unit.
Embodiment 9
Refer to Fig. 9, a kind of cable with simple structure, substantially with embodiment 8, difference is: described restrictive coating has the recognition unit 6 for identifying conductor, described recognition unit be shape different first identify that bar 61 and second identifies bar 62; Described identification bar along the distribution of restrictive coating outer rim, and is distribute continuously or intermittently; Described first identifies that the cross section of bar is that triangle, second identifies that the cross section of bar is trapezoidal.
Certainly, described above first identify that bar also can be other shape, second and identifies that bar also can be other shape; As long as first identifies that bar and second identifies that bar has the object that different shapes or different sizes can reach identification, as number in the figure 1 be the first conductor, that conductor clockwise of being close to is called the second conductor, that the counterclockwise conductor be close to is called the 3rd conductor; When there is other multiple conductor can the like; At another end face of cable, then there is contrary order; Can realize like this continuing exactly and distinguishing conductor.
Cable with simple structure described in above-mentioned arbitrary embodiment, is characterized in that the central authorities of described restrictive coating all can have light unit, at least includes an optical fiber in described smooth unit.
Further, cable with simple structure described above, is characterized in that described optical fiber is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or plastic fiber.
Cable with simple structure described in above-mentioned arbitrary embodiment, is characterized in that the recognition unit that described restrictive coating all can have for identifying conductor, described recognition unit be shape and/or size different first identify bar and second identify bar; Described identification bar along the distribution of restrictive coating outer rim, and is distribute continuously or intermittently.
Cable with simple structure described in above-mentioned arbitrary embodiment, is characterized in that the material of described restrictive coating all can be polyvinyl chloride or low smoke and zero halogen polyethylene or nylon or low-smoke low-halogen polyethylene or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE).
Cable with simple structure described in above-mentioned arbitrary embodiment, is characterized in that the material of described restrictive coating comprises following component by weight: polyethylene: 82 ~ 84 parts, ethene-vinyl acetate co-polymer: 5 ~ 7 parts, fire retardant: 5 ~ 7 parts, coupling agent: 0.5 ~ 1.5 part, antioxidant: 1 ~ 3 part, melamine: 0.5 ~ 1.5 part, ethyl silicon oil: 0.5 ~ 1.5 part, poly dimethyl silicon siloxanes: 1 ~ 3 part, titanium dioxide or carbon black: 2 ~ 4.5 parts; Described fire retardant is magnesium hydroxide or aluminium hydroxide or sodium acid carbonate; The model that described coupling agent is is TMC-38S; Described antioxidant is thio-2 acid octadecyl ester.
Cable with simple structure described in above-mentioned arbitrary embodiment, is characterized in that the shape of described restrictive coating is not limited to circle, also can be other shape, during as twin core cable, can be 8-shaped; During three-core cable, it can be bougainvillea lobe shape; During five-core cable, it can be plum blossom lobe shape; Etc., more can save jacket layer material like this, more save the cost of cable.
Embodiment 10
A kind of cable with simple structure, is characterized in that it manufactures by the following method and obtains:
The first step: synnema step: in a strand winder, by many metallic rod bodies by stranded or binding formation conductor; Many conductors are formed by repeatedly synnema;
Second step: distraction step: the many conductors first step obtained first are each passed through the location hole on jig, then through the mistake conductor bores on core rod, then draw conductor and enter tank; Location hole wherein on jig is disconnected mutually between two, and location hole is parallel to each other excessively; Described core rod is arranged on the head of plastic extruding machine; Mistake conductor bores on core rod is disconnected mutually between two, and conductor bores is parallel to each other excessively; The edge crossing conductor bores is positioned within core rod outward flange;
3rd step: extrusion step: after conductor draws tank, opens plastic extruding machine, and the jacket layer material of thawing is entered by extrusion head in the gap of core rod and die sleeve, extrudes by fashion of extrusion outside conductor by sheath material; Wherein, the internal diameter of die sleeve is greater than the outer peripheral diameter of core rod; The material of described restrictive coating comprises following component by weight: polyethylene: 82 ~ 84 parts, ethene-vinyl acetate co-polymer: 5 ~ 7 parts, fire retardant: 5 ~ 7 parts, coupling agent: 0.5 ~ 1.5 part, antioxidant: 1 ~ 3 part, melamine: 0.5 ~ 1.5 part, ethyl silicon oil: 0.5 ~ 1.5 part, poly dimethyl silicon siloxanes: 1 ~ 3 part, titanium dioxide or carbon black: 2 ~ 4.5 parts; Described fire retardant is magnesium hydroxide or aluminium hydroxide or sodium acid carbonate; The model that described coupling agent is is TMC-38S; Described antioxidant is thio-2 acid octadecyl ester.
Embodiment 11
A kind of cable with simple structure, is characterized in that it manufactures by the following method and obtains:
The first step: synnema step: in a strand winder, by many metallic rod bodies by stranded or binding formation conductor; Multiple stage strand winder works simultaneously, forms many conductors;
Second step: distraction step: the many conductors first step obtained first are each passed through the location hole on jig, then through the mistake conductor bores on core rod, then draw conductor and enter tank; Location hole wherein on jig is disconnected mutually between two, and location hole is parallel to each other excessively; Described core rod is arranged on the head of plastic extruding machine; Mistake conductor bores on core rod is disconnected mutually between two, and conductor bores is parallel to each other excessively; The edge crossing conductor bores is positioned within core rod outward flange;
3rd step: extrusion step: after conductor draws tank, opens plastic extruding machine, and the jacket layer material of thawing is entered by extrusion head in the gap of core rod and die sleeve, extrudes by fashion of extrusion outside conductor by sheath material; Wherein, the internal diameter of die sleeve is greater than the outer peripheral diameter of core rod; The material of described restrictive coating comprises following component by weight: polyethylene: 82 ~ 84 parts, ethene-vinyl acetate co-polymer: 5 ~ 7 parts, fire retardant: 5 ~ 7 parts, coupling agent: 0.5 ~ 1.5 part, antioxidant: 1 ~ 3 part, melamine: 0.5 ~ 1.5 part, ethyl silicon oil: 0.5 ~ 1.5 part, poly dimethyl silicon siloxanes: 1 ~ 3 part, titanium dioxide or carbon black: 2 ~ 4.5 parts; Described fire retardant is magnesium hydroxide or aluminium hydroxide or sodium acid carbonate; The model that described coupling agent is is TMC-38S; Described antioxidant is thio-2 acid octadecyl ester.
Embodiment 12
A kind of cable with simple structure, is characterized in that it manufactures by the following method and obtains:
The first step: distraction step: many conductors are first each passed through the location hole on jig, then through the mistake conductor bores on core rod, then draw conductor and enter tank; Location hole wherein on jig is disconnected mutually between two, and location hole is parallel to each other excessively; Described core rod is arranged on the head of plastic extruding machine; Mistake conductor bores on core rod is disconnected mutually between two, and conductor bores is parallel to each other excessively; The edge crossing conductor bores is positioned within core rod outward flange; Wherein, described conductor is single copper bar or single aluminium bar or the single body of rod having two or more metal composite and formed;
Second step: extrusion step: after conductor draws tank, opens plastic extruding machine, and the jacket layer material of thawing is entered by extrusion head in the gap of core rod and die sleeve, extrudes by fashion of extrusion outside conductor by sheath material; Wherein, the internal diameter of die sleeve is greater than the outer peripheral diameter of core rod; The material of described restrictive coating comprises following component by weight: polyethylene: 82 ~ 84 parts, ethene-vinyl acetate co-polymer: 5 ~ 7 parts, fire retardant: 5 ~ 7 parts, coupling agent: 0.5 ~ 1.5 part, antioxidant: 1 ~ 3 part, melamine: 0.5 ~ 1.5 part, ethyl silicon oil: 0.5 ~ 1.5 part, poly dimethyl silicon siloxanes: 1 ~ 3 part, titanium dioxide or carbon black: 2 ~ 4.5 parts; Described fire retardant is magnesium hydroxide or aluminium hydroxide or sodium acid carbonate; The model that described coupling agent is is TMC-38S; Described antioxidant is thio-2 acid octadecyl ester.
It should be noted that in method of the present invention, also in distraction step, before conductor is passed the location hole on jig, conductor can be made first through metal material treatment fluid, and dry online; Or before conductor is passed the location hole on jig, coat oily substance at conductive surface, like this, in conductive surface or stranded gap, would not jacket layer material be bonded with, can construct more easily and continue like this.
Certainly, can also be before conductor is through the mistake conductor bores on core rod, at the outside coated waterstop of conductor or polyester belt or other suitable band, also would not be bonded with jacket layer material in such conductive surface or stranded gap, can construct more easily and continue like this.
Cable in the present invention, only has conductor and restrictive coating, and therefore, the outside diameter of cable of simpler, the same specification of structure is less, material cost is lower; Meanwhile, owing to having lacked isolation step, therefore, manufacture convenient, manufacture in machinery equipment drop into less, artificial/power consumption and more save; Therefore manufacturing cost is lower; In the present invention, the existence of recognition unit, can when not having insulating barrier and do not have colour recognition, and also identifiable design goes out the accurate location of conductor in cable, the existence of recognition unit not only can make conductor identifiable design, and reduces due to consumptive material therefore significantly reduce cost; The existence of light unit in the present invention, makes cable not only have the function of transmission of electricity, and can transmitting optical signal and for signal monitoring, expands the scope of application of cable widely.In the present invention, due to the special formulation of cable sheath material, cable is made to be provided with more excellent insulation, proof voltage, anti-ant, fire-retardant, fire resistance.In this cable, when adopting stranded conductor, product is soft, more easily continues to lay with construction.
Therefore, the present invention has following main beneficial effect: product structure is simpler, cost is lower, manufacture more easily, manufacture in equipment investment less.
A kind of cable with simple structure described in the present invention, when wherein having optical fiber, is a kind of easy structure optical cable.
The present invention is not limited to above-mentioned preferred forms, and should be appreciated that design of the present invention can be implemented to use by other various forms, they drop in protection scope of the present invention equally.
Claims (10)
1. a cable with simple structure, it is made up of many conductors, the restrictive coating that enveloped by conductor; Between two conductors that it is characterized in that arbitrary neighborhood, there is jacket layer material; On the cross section of cable, the edge of any conductor is all positioned within the border of restrictive coating; Described many conductors along restrictive coating distribution, and are discontiguous between any two conductors; The material of described restrictive coating comprises following component by weight: polyethylene: 82 ~ 84 parts, ethene-vinyl acetate co-polymer: 5 ~ 7 parts, fire retardant: 5 ~ 7 parts, coupling agent: 0.5 ~ 1.5 part, antioxidant: 1 ~ 3 part, melamine: 0.5 ~ 1.5 part, ethyl silicon oil: 0.5 ~ 1.5 part, dimethyl silicone polymer: 1 ~ 3 part, titanium dioxide or carbon black: 2 ~ 4.5 parts; Described fire retardant is magnesium hydroxide or aluminium hydroxide or sodium acid carbonate; The model that described coupling agent is is TMC-38S; Described antioxidant is thio-2 acid octadecyl ester; Described conductor is single copper bar or single aluminium bar or the single body of rod having two or more metal composite and formed; Or described conductor is the electric conductor that the stranded or binding of many metallic rod bodies is formed; The cross section of described conductor is oval; The cross-sectional area of described conductor is equal or entirely inequal or entirely unequal.
2. a kind of cable with simple structure according to claim 1, is characterized in that the recognition unit described restrictive coating had for identifying conductor, described recognition unit be shape and/or size different first identify bar and second identify bar; Described identification bar along the distribution of restrictive coating outer rim, and is distribute continuously or intermittently.
3., according to a kind of cable with simple structure according to claim 1 or claim 2, it is characterized in that described conductor has two or three or four or five.
4. a kind of cable with simple structure according to claim 3, is characterized in that described first identifies that the cross section of bar is that triangle, second identifies that the cross section of bar is trapezoidal.
5. an easy structure optical cable, it is made up of many conductors, the restrictive coating that enveloped by conductor; Between two conductors that it is characterized in that arbitrary neighborhood, there is jacket layer material; On the cross section of cable, the edge of any conductor is all positioned within the border of restrictive coating; Described many conductors along restrictive coating distribution, and are discontiguous between any two conductors; The central authorities of described restrictive coating have light unit, at least include an optical fiber in described smooth unit; Described optical fiber is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or plastic fiber; Described conductor is single copper bar or single aluminium bar or the single body of rod having two or more metal composite and formed; Or described conductor is the electric conductor that the stranded or binding of many metallic rod bodies is formed; The cross section of described conductor is oval, and the cross-sectional area of described conductor is equal or entirely inequal or entirely unequal; The material of described restrictive coating comprises following component by weight: polyethylene: 82 ~ 84 parts, ethene-vinyl acetate co-polymer: 5 ~ 7 parts, fire retardant: 5 ~ 7 parts, coupling agent: 0.5 ~ 1.5 part, antioxidant: 1 ~ 3 part, melamine: 0.5 ~ 1.5 part, ethyl silicon oil: 0.5 ~ 1.5 part, dimethyl silicone polymer: 1 ~ 3 part, titanium dioxide or carbon black: 2 ~ 4.5 parts; Described fire retardant is magnesium hydroxide or aluminium hydroxide or sodium acid carbonate; The model that described coupling agent is is TMC-38S; Described antioxidant is thio-2 acid octadecyl ester.
6. a kind of easy structure optical cable according to claim 5, is characterized in that the recognition unit described restrictive coating had for identifying conductor, described recognition unit be shape and/or size different first identify bar and second identify bar; Described identification bar along the distribution of restrictive coating outer rim, and is distribute continuously or intermittently.
7., according to claim 5 or a kind of easy structure optical cable according to claim 6, it is characterized in that described optical fiber has at least one.
8., according to claim 5 or a kind of easy structure optical cable according to claim 6, it is characterized in that described conductor has two or three or four or five.
9. a kind of easy structure optical cable according to claim 8, is characterized in that described optical fiber has 3.
10. a kind of easy structure optical cable according to claim 9, is characterized in that described first identifies that the cross section of bar is that triangle, second identifies that the cross section of bar is trapezoidal.
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| CN201510298098.8A CN105023630B (en) | 2013-03-16 | 2013-06-08 | A kind of cable with simple structure and easy structure optical cable |
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| CN2013100834460 | 2013-03-16 | ||
| CN 201310083446 CN103123824A (en) | 2013-03-16 | 2013-03-16 | Simple-structure electric cable and manufacture method of electric cable |
| CN201510298098.8A CN105023630B (en) | 2013-03-16 | 2013-06-08 | A kind of cable with simple structure and easy structure optical cable |
| CN201310228001.7A CN103295675B (en) | 2013-03-16 | 2013-06-08 | A kind of cable with simple structure and manufacture method thereof |
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| CN201510264892.0A Active CN104851478B (en) | 2013-03-16 | 2013-06-08 | A kind of cable with simple structure and manufacture method |
| CN201510298098.8A Active CN105023630B (en) | 2013-03-16 | 2013-06-08 | A kind of cable with simple structure and easy structure optical cable |
| CN201510265375.5A Active CN104851479B (en) | 2013-03-16 | 2013-06-08 | Simple-structured cable and manufacture method thereof |
| CN201310228001.7A Active CN103295675B (en) | 2013-03-16 | 2013-06-08 | A kind of cable with simple structure and manufacture method thereof |
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| CN105355301B (en) * | 2014-05-26 | 2017-11-24 | 南京涵曦月自动化科技有限公司 | A kind of unification of three nets composite optical cable |
| CN105778207A (en) * | 2014-05-26 | 2016-07-20 | 龚永祥 | Cable for high-voltage line |
| CN103971846B (en) * | 2014-05-26 | 2016-04-13 | 国网山东省电力公司菏泽供电公司 | A kind of high-tension cable |
| CN105676382B (en) * | 2014-06-26 | 2018-11-16 | 山东特发光源光通信有限公司 | A method of manufacturing compact-sized optoelectrical cable |
| CN104119649B (en) * | 2014-06-30 | 2016-09-28 | 惠州市集和光电科技有限公司 | The heat-resistant fireproof agent of a kind of glass/PBT composite and glass/PBT composite prepared therefrom |
| CN105655044B (en) * | 2014-08-27 | 2017-10-27 | 陕西永光电力电缆制造有限公司 | A kind of electric power cable |
| CN104599774B (en) * | 2014-08-27 | 2017-01-11 | 国家电网公司 | Cable and manufacturing method thereof |
| CN104599775B (en) * | 2014-08-27 | 2016-08-24 | 国网山东省电力公司垦利县供电公司 | A kind of electric power cable and preparation method thereof |
| CN104361938B (en) * | 2014-08-27 | 2016-05-25 | 国网山东省电力公司高密市供电公司 | A kind of power cable and preparation method thereof |
| CN106335250A (en) * | 2016-11-09 | 2017-01-18 | 方秀琴 | Cable television and electric power compounding water supply pipe for intelligent building |
| CN113035430B (en) * | 2021-02-26 | 2022-12-27 | 重庆鸽牌电线电缆有限公司 | Gas protection flame retarded cable apparatus for producing |
| CN117761854B (en) * | 2024-02-19 | 2024-04-23 | 常熟白莲光电科技有限公司 | Optical fiber ribbon cable with special-shaped loose sleeve part and manufacturing method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103295675B (en) | 2015-07-29 |
| CN104851478A (en) | 2015-08-19 |
| CN104851478B (en) | 2016-11-23 |
| CN105023630B (en) | 2016-12-07 |
| CN104851479A (en) | 2015-08-19 |
| CN104851479B (en) | 2017-05-03 |
| CN103123824A (en) | 2013-05-29 |
| CN103295675A (en) | 2013-09-11 |
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