CN105513684A - Photoelectric mixing cable - Google Patents
Photoelectric mixing cable Download PDFInfo
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- CN105513684A CN105513684A CN201610041959.9A CN201610041959A CN105513684A CN 105513684 A CN105513684 A CN 105513684A CN 201610041959 A CN201610041959 A CN 201610041959A CN 105513684 A CN105513684 A CN 105513684A
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- electric power
- power transfer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/005—Power cables including optical transmission elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/22—Cables including at least one electrical conductor together with optical fibres
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Communication Cables (AREA)
Abstract
The invention belongs to the technical field of optical cables and particularly relates to a photoelectric mixing cable which comprises a first/second power transmission unit, a first/second optical signal transmission unit, a protective layer for wrapping the first power transmission unit, the second power transmission unit, the first optical signal transmission unit and the second optical signal transmission unit, and a sheath layer wrapping the protective layer in an extrusion molding mode. The photoelectric mixing cable has the advantages of being simple in structure, softer, more resistant to bending, wider in temperature application scope and lower in comprehensive cost.
Description
Technical field
The invention belongs to optical cable technology field, especially relate to a kind of photoelectric mixed cable.
Background technology
Along with the development of 4G network, fiber to the home, Fiber-To-The-Building, the demand of optical fiber cable is growing.But electric power, while wishing that light signal is registered one's residence, is carried arch by people together, be more convenient for like this using, making the cost of user lower.For this reason, the domestic and international photoelectric mixed cable occurring various structures, as publication number be CN103325471A patent discloses a kind of New Photoelectricity Mixed Cable, it comprises central reinforce member (1), optical cable (2), shielded power supply line (3), waterstop (4) and fire retardant jacket (5), fire retardant jacket (5) inside is provided with waterstop (4), at least one optical cable (2) is provided with in waterstop (4), central reinforce member (1) and many shielded power supply lines (3), shielded power supply line comprises copper core (7), insulating barrier (8), screen (9) and sheath (10), copper core (7) is positioned at the center of shielded power supply line (3), copper core (7) periphery is provided with insulating barrier (8) successively, screen (9) and sheath (10), central reinforce member (1) is positioned at the center of fire retardant jacket (5), optical cable (2) and shielded power supply line (3) are uniformly distributed in the confined space that central reinforce member (1) and waterstop (4) formed, the flexibility of this composite rope is relatively poor, can not reach the performance of excellent anti-alternating bending.
For another example publication number be CN103366893A patent discloses a kind of 4G feeder line type photoelectric mixed cable, comprise cable jacket, described cable jacket comprises lapping layer (1), outside described lapping layer (1), be provided with aluminium welding prick lamina (2), prick outside lamina (2) in described aluminium welding and be provided with outer jacket (3), in described lapping layer (1), be provided with two groups of electric units (4), two groups of light unit (5) and fill (6), described electric unit (4) and light unit (5) are around filling between (6) or arranging.This structure is provided separately due to light unit, therefore not easily continues.
In addition, above-mentioned document disclosed mixing cable, electric unit, light unit are put together and are not had effective provision for thermal insulation.Because optical fiber has made temperature extremely limited, therefore after electric unit is generated heat, affect the transmission performance of light signal, the decay of optical fiber is significantly increased, and when reaching 70 degree, Signal transmissions is obstructed, and has had a strong impact on communication.
Summary of the invention
In order to solve the problem, the object of the invention is the photoelectric mixed cable disclosing a kind of new structure, it realizes by the following technical solutions.
In first embodiment of the present invention, a kind of photoelectric mixed cable, it includes the first electric power transfer unit, the second electric power transfer unit, the first optical signal transmitting unit, the second optical signal transmitting unit, the protective layer first and second electric power transfer unit, first and second optical signal transmitting unit enveloped, the coated restrictive coating formation on the protection layer of extrusion molding; First electric power transfer unit is made up of the first electric conductor 30, the first insulating barrier 31 be coated on outside the first electric conductor; Second electric power transfer unit is made up of the second electric conductor 40, the first insulating barrier 41 be coated on outside the second electric conductor; First optical signal transmitting unit is made up of the first photoconduction 10, the first hard-pressed bale layer 11 of being coated on the first photoconduction; Second optical signal transmitting unit is made up of the second photoconduction 20, the second hard-pressed bale layer 21 of being coated on the second photoconduction; It is characterized in that the first electric power transfer unit and the second electric power transfer unit have identical diameter, first optical signal transmitting unit and the second optical signal transmitting unit have identical diameter, and the diameter of the first electric power transfer unit is greater than the diameter of the first optical signal transmitting unit; First electric power transfer unit is mutually circumscribed with the second electric power transfer unit, the first optical signal transmitting unit, and the first electric power transfer unit and the inwall of protective layer are phase inscribes; Second electric power transfer unit is mutually circumscribed with the first electric power transfer unit, the second optical signal transmitting unit, and electric power transfer unit and the inwall of protective layer are phase inscribes; First optical signal transmitting unit is mutually circumscribed with the first electric power transfer unit, the second optical signal transmitting unit, and the first optical signal transmitting unit and the inwall of protective layer are phase inscribes; Second optical signal transmitting unit is mutually circumscribed with the second electric power transfer unit, the first optical signal transmitting unit, and the second optical signal transmitting unit and the inwall of protective layer are phase inscribes; The line that point of contact between point of contact between first optical signal transmitting unit, the second optical signal transmitting unit and the first electric power transfer unit, the second electric power transfer unit is formed is the first ordinate 53; Overprotection layer center and the straight line perpendicular with the first ordinate is the first horizontal line 51; The line at the first electric power transfer unit and the second electric power transfer unit center is that the second horizontal line 52, second horizontal line is positioned at below the first horizontal line; Below first electric power transfer unit, the second electric power transfer unit and between protective layer, there is gap; The material of described first hard-pressed bale layer is polytetrafluoroethylene; Or by weight, first hard-pressed bale layer is made up of following raw material: polytetrafluoroethylene: 75 ~ 85 parts, dimethyl benzyl carbinol: 0.2 ~ 0.4 part, chromium carbonate: 0.1 ~ 0.3 part, 2-bromo-4-methylphenol: 0.2 ~ 0.4 part, methyl methacrylate: 6 ~ 10 parts, model is the silane coupler of KH560: 1 ~ 2 part, model is the antioxidant of 1010: 0.5 ~ 1.0 part, paraffin: 3 ~ 5 parts, nylon 6:5 ~ 10 part; The material of described second hard-pressed bale layer is identical with the material of the first hard-pressed bale layer.
In second embodiment of the present invention, line and first horizontal line at the first electric power transfer unit and the second electric power transfer unit center overlap.
In 3rd embodiment of the present invention, below the first electric power transfer unit, the second electric power transfer unit and between protective layer, there is flexible filler.
In 4th embodiment of the present invention, between the first electric power transfer unit, the second electric power transfer unit and the first optical signal transmitting unit, the second optical signal transmitting unit, there is thermal insulation layer.
In the present invention, adopt high heat-resisting the first hard-pressed bale layer, the second hard-pressed bale layer, when electric unit is generated heat to 90 degree, the Signal transmissions of light unit is still normal; Therefore, expand the electric load amount that electric unit can transmit, provide cost savings.
The present invention has following main Advantageous Effects: structure is simple, product is more soft, more resist bending, temperature applicable range are broader, and integrated cost is lower.
Accompanying drawing explanation
Fig. 1 is the cross-sectional structure schematic diagram of the invention process example 1.
Fig. 2 is the cross-sectional structure schematic diagram of the invention process example 2.
Fig. 3 is the cross-sectional structure schematic diagram of the invention process example 3.
Fig. 4 is the cross-sectional structure schematic diagram of the invention process example 4.
Embodiment
Embodiment 1
Ask for an interview Fig. 1, a kind of photoelectric mixed cable, it includes the first electric power transfer unit, the second electric power transfer unit, the first optical signal transmitting unit, the second optical signal transmitting unit, the protective layer first and second electric power transfer unit, first and second optical signal transmitting unit enveloped, the coated restrictive coating formation on the protection layer of extrusion molding; First electric power transfer unit is made up of the first electric conductor 30, the first insulating barrier 31 be coated on outside the first electric conductor; Second electric power transfer unit is made up of the second electric conductor 40, the first insulating barrier 41 be coated on outside the second electric conductor; First optical signal transmitting unit is made up of the first photoconduction 10, the first hard-pressed bale layer 11 of being coated on the first photoconduction; Second optical signal transmitting unit is made up of the second photoconduction 20, the second hard-pressed bale layer 21 of being coated on the second photoconduction; It is characterized in that the first electric power transfer unit and the second electric power transfer unit have identical diameter, first optical signal transmitting unit and the second optical signal transmitting unit have identical diameter, and the diameter of the first electric power transfer unit is greater than the diameter of the first optical signal transmitting unit; First electric power transfer unit is mutually circumscribed with the second electric power transfer unit, the first optical signal transmitting unit, and the first electric power transfer unit and the inwall of protective layer are phase inscribes; Second electric power transfer unit is mutually circumscribed with the first electric power transfer unit, the second optical signal transmitting unit, and electric power transfer unit and the inwall of protective layer are phase inscribes; First optical signal transmitting unit is mutually circumscribed with the first electric power transfer unit, the second optical signal transmitting unit, and the first optical signal transmitting unit and the inwall of protective layer are phase inscribes; Second optical signal transmitting unit is mutually circumscribed with the second electric power transfer unit, the first optical signal transmitting unit, and the second optical signal transmitting unit and the inwall of protective layer are phase inscribes; The line that point of contact between point of contact between first optical signal transmitting unit, the second optical signal transmitting unit and the first electric power transfer unit, the second electric power transfer unit is formed is the first ordinate 53; Overprotection layer center and the straight line perpendicular with the first ordinate is the first horizontal line 51; The line at the first electric power transfer unit and the second electric power transfer unit center is that the second horizontal line 52, second horizontal line is positioned at below the first horizontal line; Below first electric power transfer unit, the second electric power transfer unit and between protective layer, there is gap.
In this embodiment, the second horizontal line is positioned at below the first horizontal line, makes the space availability ratio mixing cable higher.
Embodiment 2
Ask for an interview Fig. 2, a kind of photoelectric mixed cable, it includes the first electric power transfer unit, the second electric power transfer unit, the first optical signal transmitting unit, the second optical signal transmitting unit, the protective layer first and second electric power transfer unit, first and second optical signal transmitting unit enveloped, the coated restrictive coating formation on the protection layer of extrusion molding; First electric power transfer unit is made up of the first electric conductor 30, the first insulating barrier 31 be coated on outside the first electric conductor; Second electric power transfer unit is made up of the second electric conductor 40, the first insulating barrier 41 be coated on outside the second electric conductor; First optical signal transmitting unit is made up of the first photoconduction 10, the first hard-pressed bale layer 11 of being coated on the first photoconduction; Second optical signal transmitting unit is made up of the second photoconduction 20, the second hard-pressed bale layer 21 of being coated on the second photoconduction; It is characterized in that the first electric power transfer unit and the second electric power transfer unit have identical diameter, first optical signal transmitting unit and the second optical signal transmitting unit have identical diameter, and the diameter of the first electric power transfer unit is greater than the diameter of the first optical signal transmitting unit; First electric power transfer unit is mutually circumscribed with the second electric power transfer unit, the first optical signal transmitting unit, and the first electric power transfer unit and the inwall of protective layer are phase inscribes; Second electric power transfer unit is mutually circumscribed with the first electric power transfer unit, the second optical signal transmitting unit, and electric power transfer unit and the inwall of protective layer are phase inscribes; First optical signal transmitting unit is mutually circumscribed with the first electric power transfer unit, the second optical signal transmitting unit, and the first optical signal transmitting unit and the inwall of protective layer are phase inscribes; Second optical signal transmitting unit is mutually circumscribed with the second electric power transfer unit, the first optical signal transmitting unit, and the second optical signal transmitting unit and the inwall of protective layer are phase inscribes; The line that point of contact between point of contact between first optical signal transmitting unit, the second optical signal transmitting unit and the first electric power transfer unit, the second electric power transfer unit is formed is the first ordinate 53; Overprotection layer center and the straight line perpendicular with the first ordinate is the first horizontal line 51; Line and first horizontal line at the first electric power transfer unit and the second electric power transfer unit center overlap; Below first electric power transfer unit, the second electric power transfer unit and between protective layer, there is gap.
Embodiment 3
Ask for an interview Fig. 3, a kind of photoelectric mixed cable, substantially with embodiment 2, difference is below the first electric power transfer unit, the second electric power transfer unit and has flexible filler between protective layer; Described flexible filler is dry construction, and as yarn class, silk class, rope class material, flexible filler also can have water absorbing properties; Flexible filler can also be adopt filler made of plastic.
Embodiment 4
Ask for an interview Fig. 4, a kind of photoelectric mixed cable, it includes the first electric power transfer unit, the second electric power transfer unit, the first optical signal transmitting unit, the second optical signal transmitting unit, the protective layer first and second electric power transfer unit, first and second optical signal transmitting unit enveloped, the coated restrictive coating formation on the protection layer of extrusion molding; First electric power transfer unit is made up of the first electric conductor 30, the first insulating barrier 31 be coated on outside the first electric conductor; Second electric power transfer unit is made up of the second electric conductor 40, the first insulating barrier 41 be coated on outside the second electric conductor; First optical signal transmitting unit is made up of the first photoconduction 10, the first hard-pressed bale layer 11 of being coated on the first photoconduction; Second optical signal transmitting unit is made up of the second photoconduction 20, the second hard-pressed bale layer 21 of being coated on the second photoconduction; It is characterized in that the first electric power transfer unit and the second electric power transfer unit have identical diameter, first optical signal transmitting unit and the second optical signal transmitting unit have identical diameter, and the diameter of the first electric power transfer unit is greater than the diameter of the first optical signal transmitting unit; It is characterized in that, between first electric power transfer unit, the second electric power transfer unit and the first optical signal transmitting unit, the second optical signal transmitting unit, there is thermal insulation layer, described thermal insulation layer is made up of the first insulating unit 61 and the second insulating unit 62, one end of first insulating unit 61 is connected with second insulating unit 62 one end, the other end of the first insulating unit 61 is mutually close with the inwall of protective layer, and the other end of the second insulating unit 62 is mutually close with the inwall of protective layer; First electric power transfer unit is mutually circumscribed with the second electric power transfer unit and the first insulating unit, and the first electric power transfer unit and the inwall of protective layer are phase inscribes; Second electric power transfer unit is mutually circumscribed with the first electric power transfer unit and the second insulating unit, and the second electric power transfer unit and the inwall of protective layer are phase inscribes; First optical signal transmitting unit is mutually circumscribed with the first insulating unit, the second optical signal transmitting unit, and the first optical signal transmitting unit and the inwall of protective layer are phase inscribes; Second optical signal transmitting unit is mutually circumscribed with the second insulating unit, the first optical signal transmitting unit, and the second optical signal transmitting unit and the inwall of protective layer are phase inscribes; The line that point of contact between point of contact between first optical signal transmitting unit, the second optical signal transmitting unit and the first electric power transfer unit, the second electric power transfer unit is formed is the first ordinate 53; Overprotection layer center and the straight line perpendicular with the first ordinate is the first horizontal line 51; Line and first horizontal line at the first electric power transfer unit and the second electric power transfer unit center overlap; Below first electric power transfer unit, the second electric power transfer unit and between protective layer, there is gap; Below first electric power transfer unit, the second electric power transfer unit and between protective layer, there is flexible filler; Described flexible filler is dry construction, and as yarn class, silk class, rope class material, flexible filler also can have water absorbing properties; Flexible filler can also be adopt filler made of plastic.
A kind of photoelectric mixed cable described above, is characterized in that, described thermal insulation layer is integrally formed, and described thermal insulation layer can be the heat-barrier materials such as mica tape, by being folded to form; Also can be other suitable material.
A kind of photoelectric mixed cable described in above-mentioned arbitrary embodiment, is characterized in that, the material of described first photoconduction is monomode fiber or multimode fiber.
Further, a kind of photoelectric mixed cable described above, it is characterized in that, the material of described first photoconduction is G.652 type optical fiber or G.653 type optical fiber or G.654 type optical fiber or G.655 type optical fiber or G.656 type optical fiber or G.657 type optical fiber or OM1 type optical fiber or OM2 type optical fiber OM3 type optical fiber.
A kind of photoelectric mixed cable described in above-mentioned arbitrary embodiment, is characterized in that, the material of described second photoconduction is monomode fiber or multimode fiber.
Further, a kind of photoelectric mixed cable described above, it is characterized in that, the material of described second photoconduction is G.652 type optical fiber or G.653 type optical fiber or G.654 type optical fiber or G.655 type optical fiber or G.656 type optical fiber or G.657 type optical fiber or OM1 type optical fiber or OM2 type optical fiber OM3 type optical fiber.
A kind of photoelectric mixed cable described in above-mentioned arbitrary embodiment, is characterized in that, the material of described first hard-pressed bale layer is polyvinyl chloride or nylon or polytetrafluoroethylene; Or by weight, first hard-pressed bale layer is made up of following raw material: polytetrafluoroethylene: 75 ~ 85 parts, dimethyl benzyl carbinol: 0.2 ~ 0.4 part, chromium carbonate: 0.1 ~ 0.3 part, 2-bromo-4-methylphenol: 0.2 ~ 0.4 part, methyl methacrylate: 6 ~ 10 parts, model is the silane coupler of KH560: 1 ~ 2 part, model is the antioxidant of 1010: 0.5 ~ 1.0 part, paraffin: 3 ~ 5 parts, nylon 6:5 ~ 10 part; The material of described second hard-pressed bale layer is identical with the material of the first hard-pressed bale layer.
A kind of photoelectric mixed cable described in above-mentioned arbitrary embodiment, is characterized in that, the material of described second hard-pressed bale layer is polyvinyl chloride or nylon or polytetrafluoroethylene; Or by weight, first hard-pressed bale layer is made up of following raw material: polytetrafluoroethylene: 75 ~ 85 parts, dimethyl benzyl carbinol: 0.2 ~ 0.4 part, chromium carbonate: 0.1 ~ 0.3 part, 2-bromo-4-methylphenol: 0.2 ~ 0.4 part, methyl methacrylate: 6 ~ 10 parts, model is the silane coupler of KH560: 1 ~ 2 part, model is the antioxidant of 1010: 0.5 ~ 1.0 part, paraffin: 3 ~ 5 parts, nylon 6:5 ~ 10 part; The material of described second hard-pressed bale layer is identical with the material of the first hard-pressed bale layer.
A kind of photoelectric mixed cable described in above-mentioned arbitrary embodiment, is characterized in that, the material of described first electric conductor is copper or aluminium.
A kind of photoelectric mixed cable described in above-mentioned arbitrary embodiment, is characterized in that, the material of described second electric conductor is copper or aluminium.
A kind of photoelectric mixed cable described above, is characterized in that, the material of described first insulating barrier and the second insulating barrier is all polyethylene or polyvinyl chloride.
A kind of photoelectric mixed cable described in above-mentioned arbitrary embodiment, is characterized in that, the material of described protective layer is aramid yarn or aluminium strip or waterstop or glass fiber tape or glass fiber yarn.
A kind of photoelectric mixed cable described above, is characterized in that, the material of described restrictive coating is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smoke and zero halogen polyethylene or polyvinyl chloride.
A kind of photoelectric mixed cable described above, is characterized in that, described flexible filler is water blocking yarn or block water bundle yarn or polypropylene gasket for packing.
In the present invention, protective layer effectively provides the effect blocking water or strengthen stretching resistance.
Polytetrafluoroethylene in the present invention, mica all have excellent heat-resisting, heat-proof quality, effectively can completely cut off the conduction of the heat that electric unit sends, when making electric unit between 90 degrees Celsius to 150 degrees Celsius, maximum the adding of the decay of photoconduction is less than 0.1dB/km, reach desirable optic delivery performance, make cost more reasonable.
In the present invention, when the first hard-pressed bale layer/the second hard-pressed bale layer adopts the raw material of special formulation, effectively can completely cut off heat, assay is as follows particularly:
Temperature (DEG C) 8090100110120130140150
Additional attenuation maximum (dB/km) 0.020.030.040.050.050.060.080.09
Therefore, maximum additional attenuation is not more than 0.1dB/km, and this material achieves good effect of heat insulation.
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 photoelectric mixed cable, it includes the first electric power transfer unit, the second electric power transfer unit, the first optical signal transmitting unit, the second optical signal transmitting unit, the protective layer first and second electric power transfer unit, first and second optical signal transmitting unit enveloped, the coated restrictive coating formation on the protection layer of extrusion molding; First electric power transfer unit is made up of the first electric conductor (30), the first insulating barrier (31) be coated on outside the first electric conductor; Second electric power transfer unit is made up of the second electric conductor (40), the first insulating barrier (41) be coated on outside the second electric conductor; First optical signal transmitting unit is made up of the first photoconduction (10), the first hard-pressed bale layer (11) of being coated on the first photoconduction; Second optical signal transmitting unit is made up of the second photoconduction (20), the second hard-pressed bale layer (21) of being coated on the second photoconduction; It is characterized in that the first electric power transfer unit and the second electric power transfer unit have identical diameter, first optical signal transmitting unit and the second optical signal transmitting unit have identical diameter, and the diameter of the first electric power transfer unit is greater than the diameter of the first optical signal transmitting unit; First electric power transfer unit is mutually circumscribed with the second electric power transfer unit, the first optical signal transmitting unit, and the first electric power transfer unit and the inwall of protective layer are phase inscribes; Second electric power transfer unit is mutually circumscribed with the first electric power transfer unit, the second optical signal transmitting unit, and electric power transfer unit and the inwall of protective layer are phase inscribes; First optical signal transmitting unit is mutually circumscribed with the first electric power transfer unit, the second optical signal transmitting unit, and the first optical signal transmitting unit and the inwall of protective layer are phase inscribes; Second optical signal transmitting unit is mutually circumscribed with the second electric power transfer unit, the first optical signal transmitting unit, and the second optical signal transmitting unit and the inwall of protective layer are phase inscribes; The line that point of contact between point of contact between first optical signal transmitting unit, the second optical signal transmitting unit and the first electric power transfer unit, the second electric power transfer unit is formed is the first ordinate (53); Overprotection layer center and the straight line perpendicular with the first ordinate is the first horizontal line (51); The line at the first electric power transfer unit and the second electric power transfer unit center is the second horizontal line (52), and the second horizontal line is positioned at below the first horizontal line; Below first electric power transfer unit, the second electric power transfer unit and between protective layer, there is gap; The material of described first hard-pressed bale layer is polytetrafluoroethylene; Or by weight, first hard-pressed bale layer is made up of following raw material: polytetrafluoroethylene: 75 ~ 85 parts, dimethyl benzyl carbinol: 0.2 ~ 0.4 part, chromium carbonate: 0.1 ~ 0.3 part, 2-bromo-4-methylphenol: 0.2 ~ 0.4 part, methyl methacrylate: 6 ~ 10 parts, model is the silane coupler of KH560: 1 ~ 2 part, model is the antioxidant of 1010: 0.5 ~ 1.0 part, paraffin: 3 ~ 5 parts, nylon 6:5 ~ 10 part; The material of described second hard-pressed bale layer is identical with the material of the first hard-pressed bale layer.
2. a photoelectric mixed cable, it includes the first electric power transfer unit, the second electric power transfer unit, the first optical signal transmitting unit, the second optical signal transmitting unit, the protective layer first and second electric power transfer unit, first and second optical signal transmitting unit enveloped, the coated restrictive coating formation on the protection layer of extrusion molding; First electric power transfer unit is made up of the first electric conductor (30), the first insulating barrier (31) be coated on outside the first electric conductor; Second electric power transfer unit is made up of the second electric conductor (40), the first insulating barrier (41) be coated on outside the second electric conductor; First optical signal transmitting unit is made up of the first photoconduction (10), the first hard-pressed bale layer (11) of being coated on the first photoconduction; Second optical signal transmitting unit is made up of the second photoconduction (20), the second hard-pressed bale layer (21) of being coated on the second photoconduction; It is characterized in that the first electric power transfer unit and the second electric power transfer unit have identical diameter, first optical signal transmitting unit and the second optical signal transmitting unit have identical diameter, and the diameter of the first electric power transfer unit is greater than the diameter of the first optical signal transmitting unit; First electric power transfer unit is mutually circumscribed with the second electric power transfer unit, the first optical signal transmitting unit, and the first electric power transfer unit and the inwall of protective layer are phase inscribes; Second electric power transfer unit is mutually circumscribed with the first electric power transfer unit, the second optical signal transmitting unit, and electric power transfer unit and the inwall of protective layer are phase inscribes; First optical signal transmitting unit is mutually circumscribed with the first electric power transfer unit, the second optical signal transmitting unit, and the first optical signal transmitting unit and the inwall of protective layer are phase inscribes; Second optical signal transmitting unit is mutually circumscribed with the second electric power transfer unit, the first optical signal transmitting unit, and the second optical signal transmitting unit and the inwall of protective layer are phase inscribes; The line that point of contact between point of contact between first optical signal transmitting unit, the second optical signal transmitting unit and the first electric power transfer unit, the second electric power transfer unit is formed is the first ordinate (53); Overprotection layer center and the straight line perpendicular with the first ordinate is the first horizontal line (51); Line and first horizontal line at the first electric power transfer unit and the second electric power transfer unit center overlap; Below first electric power transfer unit, the second electric power transfer unit and between protective layer, there is gap; The material of described first hard-pressed bale layer is polytetrafluoroethylene; Or by weight, first hard-pressed bale layer is made up of following raw material: polytetrafluoroethylene: 75 ~ 85 parts, dimethyl benzyl carbinol: 0.2 ~ 0.4 part, chromium carbonate: 0.1 ~ 0.3 part, 2-bromo-4-methylphenol: 0.2 ~ 0.4 part, methyl methacrylate: 6 ~ 10 parts, model is the silane coupler of KH560: 1 ~ 2 part, model is the antioxidant of 1010: 0.5 ~ 1.0 part, paraffin: 3 ~ 5 parts, nylon 6:5 ~ 10 part; The material of described second hard-pressed bale layer is identical with the material of the first hard-pressed bale layer.
3. a kind of photoelectric mixed cable according to claim 2, is characterized in that, below described first electric power transfer unit, the second electric power transfer unit and have flexible filler between protective layer.
4. a photoelectric mixed cable, it includes the first electric power transfer unit, the second electric power transfer unit, the first optical signal transmitting unit, the second optical signal transmitting unit, the protective layer first and second electric power transfer unit, first and second optical signal transmitting unit enveloped, the coated restrictive coating formation on the protection layer of extrusion molding; First electric power transfer unit is made up of the first electric conductor (30), the first insulating barrier (31) be coated on outside the first electric conductor; Second electric power transfer unit is made up of the second electric conductor (40), the first insulating barrier (41) be coated on outside the second electric conductor; First optical signal transmitting unit is made up of the first photoconduction (10), the first hard-pressed bale layer (11) of being coated on the first photoconduction; Second optical signal transmitting unit is made up of the second photoconduction (20), the second hard-pressed bale layer (21) of being coated on the second photoconduction; It is characterized in that the first electric power transfer unit and the second electric power transfer unit have identical diameter, first optical signal transmitting unit and the second optical signal transmitting unit have identical diameter, and the diameter of the first electric power transfer unit is greater than the diameter of the first optical signal transmitting unit; It is characterized in that, between first electric power transfer unit, the second electric power transfer unit and the first optical signal transmitting unit, the second optical signal transmitting unit, there is thermal insulation layer, described thermal insulation layer is made up of the first insulating unit (61) and the second insulating unit (62), one end of first insulating unit (61) is connected with the second insulating unit (62) one end, the other end of the first insulating unit (61) is mutually close with the inwall of protective layer, and the other end of the second insulating unit (62) is mutually close with the inwall of protective layer; First electric power transfer unit is mutually circumscribed with the second electric power transfer unit and the first insulating unit, and the first electric power transfer unit and the inwall of protective layer are phase inscribes; Second electric power transfer unit is mutually circumscribed with the first electric power transfer unit and the second insulating unit, and the second electric power transfer unit and the inwall of protective layer are phase inscribes; First optical signal transmitting unit is mutually circumscribed with the first insulating unit, the second optical signal transmitting unit, and the first optical signal transmitting unit and the inwall of protective layer are phase inscribes; Second optical signal transmitting unit is mutually circumscribed with the second insulating unit, the first optical signal transmitting unit, and the second optical signal transmitting unit and the inwall of protective layer are phase inscribes; The line that point of contact between point of contact between first optical signal transmitting unit, the second optical signal transmitting unit and the first electric power transfer unit, the second electric power transfer unit is formed is the first ordinate (53); Overprotection layer center and the straight line perpendicular with the first ordinate is the first horizontal line (51); Line and first horizontal line at the first electric power transfer unit and the second electric power transfer unit center overlap; Below first electric power transfer unit, the second electric power transfer unit and between protective layer, there is gap; Below first electric power transfer unit, the second electric power transfer unit and between protective layer, there is flexible filler.
5. a kind of photoelectric mixed cable according to claim 4, is characterized in that, described thermal insulation layer is integrally formed, and described thermal insulation layer is mica tape.
6. a kind of photoelectric mixed cable according to claim 1 to claim 5 any one, is characterized in that, the material of described first photoconduction and the first photoconduction is all monomode fiber or multimode fiber.
7. a kind of photoelectric mixed cable according to claim 6, it is characterized in that, the material of described first photoconduction is G.652 type optical fiber or G.653 type optical fiber or G.654 type optical fiber or G.655 type optical fiber or G.656 type optical fiber or G.657 type optical fiber or OM1 type optical fiber or OM2 type optical fiber OM3 type optical fiber.
8. according to claim 4 or a kind of photoelectric mixed cable according to claim 5, it is characterized in that, the material of described first hard-pressed bale layer is polyvinyl chloride or nylon or polytetrafluoroethylene; The material of described second hard-pressed bale layer is polyvinyl chloride or nylon or polytetrafluoroethylene.
9. a kind of photoelectric mixed cable according to claim 1 to claim 5 any one, is characterized in that, the material of described first electric conductor is copper or aluminium; The material of described second electric conductor is copper or aluminium; The material of described first insulating barrier and the second insulating barrier is all polyethylene or polyvinyl chloride.
10. a kind of photoelectric mixed cable according to claim 1 to claim 5 any one, is characterized in that, the material of described protective layer is aramid yarn or aluminium strip or waterstop or glass fiber tape or glass fiber yarn; The material of described restrictive coating is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smoke and zero halogen polyethylene or polyvinyl chloride.
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| CN201610041959.9A CN105513684B (en) | 2016-01-22 | 2016-01-22 | A kind of photoelectric mixed cable |
| CN201710297647.9A CN106935320B (en) | 2016-01-22 | 2016-01-22 | A kind of mixed structure optical cable |
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| CN201610041959.9A CN105513684B (en) | 2016-01-22 | 2016-01-22 | A kind of photoelectric mixed cable |
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| CN201710297647.9A Division CN106935320B (en) | 2016-01-22 | 2016-01-22 | A kind of mixed structure optical cable |
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| CN105513684A true CN105513684A (en) | 2016-04-20 |
| CN105513684B CN105513684B (en) | 2017-06-27 |
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| CN201710297647.9A Active CN106935320B (en) | 2016-01-22 | 2016-01-22 | A kind of mixed structure optical cable |
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| CN105807380A (en) * | 2016-05-15 | 2016-07-27 | 苏州高精特专信息科技有限公司 | Opto-electric composite cable for electric power or communications and making method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106935320B (en) | 2018-08-28 |
| CN105513684B (en) | 2017-06-27 |
| CN106935320A (en) | 2017-07-07 |
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Address after: 215542 No.1 Zhongli Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Patentee after: Changfei photoelectric cable (Suzhou) Co.,Ltd. Address before: 215542 No.1 Zhongli Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Patentee before: YANGTZE ZHONGLI OPTICAL FIBRE AND CABLE (JIANGSU) Co.,Ltd. |