CN114743724A - Flame-retardant and fire-resistant composite cable for photoelectric digital signal transmission - Google Patents
Flame-retardant and fire-resistant composite cable for photoelectric digital signal transmission Download PDFInfo
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- CN114743724A CN114743724A CN202210508701.0A CN202210508701A CN114743724A CN 114743724 A CN114743724 A CN 114743724A CN 202210508701 A CN202210508701 A CN 202210508701A CN 114743724 A CN114743724 A CN 114743724A
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- fire
- retardant
- flame
- signal transmission
- resistant
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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
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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
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
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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
- H01B7/02—Disposition of insulation
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/20—Metal tubes, e.g. lead sheaths
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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
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Insulated Conductors (AREA)
Abstract
The utility model provides a photoelectric digital signal transmission is with fire-retardant fire-resistant composite cable, includes copper conductor, fire-resistant mica tape, it is insulating with fire-retardant cross-linked polyolefin of zero halogen low cigarette, pottery silicon rubber flame retardant coating, the shielding is divided in the copper plastic tape, tight cover optic fibre, aramid yarn reinforcer, non-metallic aramid fiber reinforced plastic pole, fire-resistant mineral filling rope, weave the total shielding layer of copper wire, fire-retardant band, fire-retardant inner sheath, two steel band armoring, the fire-retardant polyolefin sheath of zero halogen low cigarette, its characterized in that: the annealed copper conductor is coated with a fire-resistant mica tape. The electric signal transmission control three-twisted basic unit group and the optical signal transmission control basic unit group are respectively coated with ceramic silicon rubber fire-resistant layers. And a ceramic silicon rubber fire-resistant layer and a braided copper wire total shield are coated outside the cabling cable core, and a halogen-free low-smoke flame-retardant polyolefin sheath is extruded on the outermost layer of the cable core. The beneficial effects are that: the flame-retardant and fire-resistant composite cable for photoelectric digital signal transmission integrates photoelectric signal transmission control, and has the characteristics of flame retardance, fire resistance, no toxicity, no pollution and electromagnetic radiation resistance.
Description
Technical Field
The invention relates to a composite cable for photoelectric signal transmission, in particular to a flame-retardant and fire-resistant composite cable for photoelectric digital signal transmission.
Background
At present, with the continuous improvement of the safety, environmental protection and intelligent production of signal transmission control by power generation such as wind energy, photovoltaic and thermoelectric, higher requirements on flame retardance, fire resistance and the like are provided for various optical cables used by the optical cables, particularly, the optical cables used for digital information transmission must ensure the safety, accuracy and high efficiency of data transmission of the optical cables, so as to ensure the high-efficiency operation of automatic digital transmission control in the whole process of power generation such as wind energy, photovoltaic and thermoelectric, and particularly, when a fire disaster occurs, so as to ensure the safe and effective operation of signals of a whole power generation monitoring loop and an automatic control system in a certain time.
Disclosure of Invention
The invention aims to overcome the defect that the existing signal transmission controls the single transmission control of electric signals or optical signals, so that the photoelectric digital signal can be transmitted simultaneously, the requirements of environmental protection, no release of harmful substances, flame retardance, fire resistance, tensile resistance, pressure resistance and electromagnetic radiation resistance are met, the special requirements of multi-scene laying are met, and the photoelectric integrated flame-retardant fire-resistant composite cable for digital signal transmission, which is safe, environment-friendly, tensile resistance, pressure resistance and electromagnetic interference resistance, is provided.
The invention is realized by the following modes: the utility model provides a photoelectric digital signal transmission is with fire-retardant fire-resistant composite cable, includes copper conductor, fire-resistant mica tape, it is insulating with fire-retardant cross-linked polyolefin of zero halogen low cigarette, pottery silicon rubber flame retardant coating, the shielding is divided in the copper plastic tape, tight cover optic fibre, aramid yarn reinforcer, non-metallic aramid fiber reinforced plastic pole, fire-resistant mineral filling rope, weave the total shielding layer of copper wire, fire-retardant band, fire-retardant inner sheath, two steel band armoring, the fire-retardant polyolefin sheath of zero halogen low cigarette, its characterized in that: a fire-resistant mica tape is coated outside one annealed copper conductor, the fire-resistant mica tape is extruded outside the fire-resistant mica tape to form an insulating wire core in a halogen-free low-smoke flame-retardant cross-linked polyolefin insulation mode, the three insulating wire cores are twisted into a group, and then a ceramic silicon rubber fire-resistant layer and a copper-plastic tape sub-shielding layer are respectively coated on the insulating wire core, so that a three-twisting basic unit group for electric signal transmission control is formed; the method comprises the following steps that an aramid yarn reinforcing member is coated outside a tight-buffered optical fiber, a halogen-free low-smoke flame-retardant polyolefin sheath is extruded outside the aramid yarn reinforcing member to form a single optical fiber unit, two optical fiber units and two nonmetal aramid fiber reinforced plastic rods are twisted together, and then a ceramic silicon rubber fire-resistant layer and the halogen-free low-smoke flame-retardant polyolefin sheath are respectively coated, so that a basic unit group for optical signal transmission control is formed; the plurality of electric signal transmission control three-twisting basic unit groups, the plurality of optical signal transmission control basic unit groups and the plurality of refractory mineral filling ropes are twisted together to form a cable core; the cable core is coated with a ceramic silicon rubber flame-retardant layer and a braided copper wire total shield, the braided copper wire total shield is wrapped with a flame-retardant wrapping tape and an extruded flame-retardant inner sheath, the flame-retardant inner sheath is wrapped with double steel tape armoring, and the outermost layer is extruded with a halogen-free low-smoke flame-retardant polyolefin sheath.
The invention has the beneficial effects that: the utility model provides a fire-retardant fire-resistant composite cable is used in transmission of photoelectricity digital signal, has adopted signal of telecommunication and optical signal transmission control in an organic whole, avoids secondary wiring, can effectively practice thrift expenses such as construction, network construction. Due to the adoption of the double-shielding structure, the requirement of electromagnetic radiation interference resistance among various cables is supported, so that the cable can be laid with various high-voltage and low-voltage cables on the same line, the line space can be saved, and the special requirement of multi-scene laying can be met. The fire-resistant mica tape and the ceramic silicon rubber fire-resistant layer provide fire resistance, and the double-steel-tape armor provides tensile and lateral pressure resistance of the cable. The halogen-free low-smoke flame-retardant cross-linked polyolefin insulation and halogen-free low-smoke flame-retardant polyolefin sheath provides non-toxic, pollution-free, safe and environment-friendly flame retardant performance.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic cross-sectional view of the present invention.
In the figure, 1, a copper conductor, 2, a fire resistant mica tape, 3, a halogen-free low-smoke flame-retardant cross-linked polyolefin insulation, 4, an electric signal transmission control three-twisted basic unit group, 5, a ceramic silicon rubber flame-retardant layer, 6, a copper-plastic tape sub-shielding layer, 7, a ceramic silicon rubber flame-retardant layer, 8, a braided copper wire total shielding, 9, a flame-retardant wrapping tape, 10, a flame-retardant inner protective layer, 11, a double-steel-tape armor, 12, a halogen-free low-smoke flame-retardant polyolefin sheath, 13, an optical signal transmission control basic unit group, 14, a tightly-sleeved optical fiber, 15, an aramid yarn reinforcing member, 16, a halogen-free low-smoke flame-retardant polyolefin sheath, 17, a ceramic silicon rubber flame-retardant layer, 18, a halogen-free low-smoke flame-retardant polyolefin sheath, 19, a nonmetal aramid fiber reinforced plastic rod and 20, a fire-resistant mineral filling rope.
Detailed Description
As shown in fig. 1, the structure of the product is schematically illustrated, and the product includes a copper conductor 1, a fire-resistant mica tape 2, a halogen-free low-smoke flame-retardant cross-linked polyolefin insulation 3, an electric signal transmission control three-twisted basic unit group 4, ceramic silicon rubber flame- retardant layers 5, 7 and 17, a copper-plastic tape sub-shielding layer 6, a braided copper wire total shielding 8, a flame-retardant wrapping tape 9, a flame-retardant inner protection layer 10, a double-steel-tape armor 11, halogen-free low-smoke flame- retardant polyolefin sheaths 12, 16 and 18, an optical signal transmission control basic unit group 13, a tightly-sleeved optical fiber 14, an aramid yarn reinforcing member 15, a non-metal aramid fiber reinforced plastic rod 19, and a fire-resistant mineral filling rope 20.
During manufacturing, the copper rod is drawn into a qualified annealed copper conductor 1 through a wire drawing machine for multiple times, a fire-resistant mica tape 2 is coated on the copper conductor, and a halogen-free low-smoke flame-retardant cross-linked polyolefin insulation 3 is extruded outside the fire-resistant mica tape, so that an insulation wire core is manufactured; the three insulated wire cores are stranded to form a three-stranded wire group, and the three-stranded wire group is respectively coated with a ceramic silicon rubber fire-resistant layer 5 and a copper-plastic belt shielding layer 6, so that a complete electric signal transmission control three-stranded basic unit group 4 is manufactured; the tightly sleeved optical fiber 14 is coated with an aramid yarn reinforcing member 15, the aramid yarn reinforcing member is extruded with a halogen-free low-smoke flame-retardant polyolefin sheath 16, so that an optical fiber unit is manufactured, the two optical fiber units are twisted with two nonmetal aramid fiber reinforced plastic rods 19, and then respectively coated with a ceramic silicon rubber flame-retardant layer 17 and an extruded halogen-free low-smoke flame-retardant polyolefin sheath 18, so that a complete optical signal transmission control basic unit group 13 is manufactured. According to the requirements, a plurality of electric signal transmission control three-twisting basic unit groups 4, a plurality of optical signal transmission control basic unit groups 13 and a plurality of fireproof mineral filling ropes 20 are stranded into a cable core, the cable core is coated with a ceramic silicon rubber fireproof layer 7 and a braided copper wire total shielding 8, the braided copper wire total shielding is wrapped with a flame-retardant wrapping tape 9 and extruded with a flame-retardant inner wrapping layer 10, the flame-retardant inner wrapping layer is wrapped with a double-steel-tape armor 11, the double-steel-tape armor is extruded with a halogen-free low-smoke flame-retardant polyolefin sheath 12, and identification marks are sprayed and printed on the surface of the sheath, so that the cable is manufactured.
Claims (2)
1. The utility model provides a photoelectric digital signal transmission is with fire-retardant fire-resistant composite cable, includes copper conductor, fire-resistant mica tape, it is insulating with fire-retardant cross-linked polyolefin of zero halogen low cigarette, pottery silicon rubber flame retardant coating, the shielding is divided in the copper plastic tape, tight cover optic fibre, aramid yarn reinforcer, non-metallic aramid fiber reinforced plastic pole, fire-resistant mineral filling rope, weave the total shielding layer of copper wire, fire-retardant band, fire-retardant inner sheath, two steel band armoring, the fire-retardant polyolefin sheath of zero halogen low cigarette, its characterized in that: a fire-resistant mica tape is coated outside one annealed copper conductor, the fire-resistant mica tape is extruded outside the fire-resistant mica tape to form an insulating wire core in a halogen-free low-smoke flame-retardant cross-linked polyolefin insulation mode, the three insulating wire cores are twisted into a group, and then a ceramic silicon rubber fire-resistant layer and a copper-plastic tape sub-shielding layer are respectively coated on the insulating wire core, so that a three-twisting basic unit group for electric signal transmission control is formed; the method comprises the following steps that an aramid yarn reinforcing member is coated outside a tight-buffered optical fiber, a halogen-free low-smoke flame-retardant polyolefin sheath is extruded outside the aramid yarn reinforcing member to form a single optical fiber unit, two optical fiber units and two nonmetal aramid fiber reinforced plastic rods are twisted together, and then a ceramic silicon rubber fire-resistant layer and the halogen-free low-smoke flame-retardant polyolefin sheath are respectively coated, so that a basic unit group for optical signal transmission control is formed; the plurality of electric signal transmission control three-twisting basic unit groups, the plurality of optical signal transmission control basic unit groups and the plurality of refractory mineral filling ropes are twisted together to form a cable core; the cable core is coated with a ceramic silicon rubber flame-retardant layer and a braided copper wire total shield, the braided copper wire total shield is wrapped with a flame-retardant wrapping tape and an extruded flame-retardant inner sheath, the flame-retardant inner sheath is wrapped with double steel tape armoring, and the outermost layer is extruded with a halogen-free low-smoke flame-retardant polyolefin sheath.
2. The flame-retardant and fire-resistant composite cable for photoelectric digital signal transmission according to claim 1, wherein: and the plurality of electric signal transmission control three-twisting basic unit groups, the plurality of optical signal transmission control basic unit groups and the plurality of refractory mineral filling ropes are twisted together to form a cable core.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210508701.0A CN114743724A (en) | 2022-05-11 | 2022-05-11 | Flame-retardant and fire-resistant composite cable for photoelectric digital signal transmission |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210508701.0A CN114743724A (en) | 2022-05-11 | 2022-05-11 | Flame-retardant and fire-resistant composite cable for photoelectric digital signal transmission |
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Publication Number | Publication Date |
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CN114743724A true CN114743724A (en) | 2022-07-12 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202210508701.0A Pending CN114743724A (en) | 2022-05-11 | 2022-05-11 | Flame-retardant and fire-resistant composite cable for photoelectric digital signal transmission |
Country Status (1)
Country | Link |
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CN (1) | CN114743724A (en) |
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2022
- 2022-05-11 CN CN202210508701.0A patent/CN114743724A/en active Pending
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