CN211742691U - Fire-retardant fire-resistant computer cable is strengthened to nonmetal of environment-friendly - Google Patents

Fire-retardant fire-resistant computer cable is strengthened to nonmetal of environment-friendly Download PDF

Info

Publication number
CN211742691U
CN211742691U CN202020493647.3U CN202020493647U CN211742691U CN 211742691 U CN211742691 U CN 211742691U CN 202020493647 U CN202020493647 U CN 202020493647U CN 211742691 U CN211742691 U CN 211742691U
Authority
CN
China
Prior art keywords
fire
retardant
resistant
flame
tape
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020493647.3U
Other languages
Chinese (zh)
Inventor
吴庆元
贾金艳
翟广
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Luneng Taishan Qufu Electric Cable Ltd
Original Assignee
Luneng Taishan Qufu Electric Cable Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Luneng Taishan Qufu Electric Cable Ltd filed Critical Luneng Taishan Qufu Electric Cable Ltd
Priority to CN202020493647.3U priority Critical patent/CN211742691U/en
Application granted granted Critical
Publication of CN211742691U publication Critical patent/CN211742691U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Insulated Conductors (AREA)

Abstract

An environment-friendly nonmetal reinforced flame-retardant fire-resistant computer cable comprises a copper conductor, a fire-resistant mica tape, a halogen-free low-smoke flame-retardant cross-linked polyolefin insulation layer, a nonmetal aramid fiber reinforced plastic rod, a flame-retardant fire-resistant basalt fiber textile yarn weaving layer, a ceramic silicon rubber oxygen isolation belt, a copper-plastic belt shielding layer and a halogen-free low-smoke flame-retardant polyolefin outer sheath. The method is characterized in that: the copper conductor fire-resistant mica tape is externally extruded with a halogen-free low-smoke flame-retardant cross-linked polyolefin insulation layer, a nonmetal aramid fiber reinforced plastic rod is arranged in each three-twisted basic unit group, a copper plastic tape shielding layer is arranged outside each three-twisted basic unit group, a ceramic silicon rubber fire-retardant oxygen-isolation tape is coated outside a cable core, a flame-retardant fire-retardant basalt fiber woven yarn weaving layer is woven outside the oxygen-isolation tape, a copper plastic tape shielding layer is wrapped outside the weaving layer, and a halogen-free low-smoke flame-retardant polyolefin outer sheath is extruded on the outermost layer. The beneficial effects are that: an environment-friendly nonmetal reinforced flame-retardant fire-resistant computer cable has the characteristics of tensile strength, bending resistance, flame retardance, fire resistance and electromagnetic radiation resistance.

Description

Fire-retardant fire-resistant computer cable is strengthened to nonmetal of environment-friendly
Technical Field
The utility model relates to a safe environment-friendly signal transmission is with fire-retardant fire-resistant computer cable, more specifically is a fire-retardant fire-resistant computer cable is strengthened to nonmetal of environment-friendly.
Background
At present, along with the continuous promotion of power plants to the level of safety and environmental protection, various cables used by the power plants have higher requirements on flame retardance, fire resistance and no pollution, and particularly, a computer information network transmission cable must ensure the safety and accuracy of data transmission of the cable, so that when a fire disaster occurs, the signals of a monitoring loop and an automatic control system of the whole power plant can be ensured to safely and effectively operate within a certain time.
Disclosure of Invention
The utility model aims at overcoming the not enough of current computer cable existence, making it can reach the requirement that the environmental protection does not have harmful substance release, fire-retardant fire-resistant, tensile, anti-electromagnetic radiation to satisfy the special requirement that multi-scene such as various sealed passageways laid, provide a computer cable for signal transmission of safety ring, tensile are resistant crooked, electromagnetic interference resistance.
The utility model discloses a realize through following mode: the utility model provides a fire-retardant fire-resistant computer cable is strengthened to nonmetal of environment-friendly, includes copper conductor, fire-resistant mica tape, the fire-retardant crosslinked polyolefin of halogen-free low cigarette is insulating, nonmetal aramid fiber reinforced plastic pole, fire-resistant mineral filling rope, the fire-resistant oxygen band of pottery silicon rubber, fire-retardant fire-resistant basalt fiber weaving yarn weaving layer, copper plastic tape are around a packet shielding layer, the fire-free low cigarette fire-retardant polyolefin oversheath of its characterized in that: the fire-resistant mica tape is wrapped outside the annealed copper conductor, the fire-resistant mica tape is extruded outside the halogen-free low-smoke flame-retardant cross-linked polyolefin to be made into an insulated wire core in an insulating mode, the three insulated wire cores and the nonmetal aramid fiber reinforced plastic rods are twisted into a group, the fire-retardant wrapping tape and the copper-plastic tape shielding layer are wrapped in a parallel mode to form a three-twisted basic unit group, the three-twisted basic unit group and the fire-resistant mineral filling rope are twisted into a cable core, a ceramic silicon rubber fire-resistant oxygen-isolating tape is wrapped outside the cable core, a flame-retardant basalt fiber woven yarn weaving layer is woven outside the oxygen-isolating tape, a copper-plastic tape shielding layer is wrapped outside the weaving layer.
The utility model has the advantages that: the environment-friendly nonmetal reinforced flame-retardant fire-resistant computer cable adopts halogen-free low-smoke flame-retardant cross-linked polyolefin insulation, has larger transmission current and stronger signal than a common insulated computer cable, and can effectively save resources. 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 low-voltage cables and network data lines on the same line, the line space can be saved, and the special requirements of multi-scene laying such as indoor closed channels and the like can be met. The nonmetal reinforcing part provides tensile and bending resistance, and the halogen-free low-smoke flame-retardant cross-linked polyolefin insulation, the halogen-free low-smoke flame-retardant cross-linked polyolefin outer sheath and the fire-resistant belt provide a safe and environment-friendly type A flame-retardant fire-resistant computer cable.
Drawings
The present invention will be further explained 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, a three-twisted basic unit group, 5, a non-metal aramid fiber reinforced plastic rod, 6, a flame-retardant wrapping tape, 7, a fire-resistant mineral filling rope, 8, a ceramic silicon rubber fire-resistant oxygen-isolating tape, 9, a flame-retardant fire-resistant basalt fiber woven yarn braided layer, 10, a copper-plastic tape shielding layer and 11, a halogen-free low-smoke flame-retardant polyolefin outer sheath.
Detailed Description
The product model shown in figure 1 is WDZAN-DJYJP2YP2-300/500V, and comprises a copper conductor 1, a fire-resistant mica tape 2, a halogen-free low-smoke fire-retardant cross-linked polyolefin insulation 3, a nonmetal aramid fiber reinforced plastic rod 5, a fire-retardant wrapping tape 6, a fire-retardant mineral filling rope 7, a ceramic silicon rubber fire-retardant oxygen-insulating tape 8, a fire-retardant basalt fiber woven yarn braided layer 9, a copper-plastic tape shielding layer 10 and a halogen-free low-smoke fire-retardant polyolefin outer sheath 11.
During manufacturing, a copper rod is repeatedly drawn into a qualified annealed copper conductor 1 through a wire drawing machine, a fire-resistant mica tape 2 is wrapped on the conductor, and a layer of halogen-free low-smoke flame-retardant crosslinked polyolefin insulation 3 is extruded on the fire-resistant mica tape layer by a plastic extruder, so that an insulated wire core is manufactured; three insulated wire cores and a nonmetal aramid fiber reinforced plastic rod are twisted together to form a three-twisted basic unit group, each three-twisted basic unit group is wrapped with a flame-retardant wrapping tape and wrapped with a copper-plastic tape shielding layer, and thus a complete three-twisted basic unit group 4 is formed; cabling and stranding a plurality of three-stranded basic unit groups as required to form a cable core, and filling refractory mineral filling ropes 7 in gaps among the three-stranded basic unit groups; and finally, extruding a layer of halogen-free low-smoke flame-retardant polyolefin outer sheath 11 by using a plastic extruder, and spraying and printing identification marks on the surface of the outer sheath, so that the cable manufacturing is finished.

Claims (2)

1. The utility model provides a fire-retardant fire-resistant computer cable is strengthened to nonmetal of environment-friendly, includes copper conductor, fire-resistant mica tape, the fire-retardant crosslinked polyolefin of halogen-free low cigarette is insulating, nonmetal aramid fiber reinforced plastic pole, fire-resistant mineral filling rope, the fire-resistant oxygen band of pottery silicon rubber, fire-retardant fire-resistant basalt fiber weaving yarn weaving layer, copper plastic tape are around a packet shielding layer, the fire-free low cigarette fire-retardant polyolefin oversheath of its characterized in that: the fire-resistant mica tape is wrapped outside the annealed copper conductor, the fire-resistant mica tape is extruded outside the halogen-free low-smoke flame-retardant cross-linked polyolefin to be made into an insulated wire core in an insulating mode, the three insulated wire cores and the nonmetal aramid fiber reinforced plastic rods are twisted into a group, the fire-retardant wrapping tape and the copper-plastic tape shielding layer are wrapped in a parallel mode to form a three-twisted basic unit group, the three-twisted basic unit group and the fire-resistant mineral filling rope are twisted into a cable core, a ceramic silicon rubber fire-resistant oxygen-isolating tape is wrapped outside the cable core, a flame-retardant basalt fiber woven yarn weaving layer is woven outside the oxygen-isolating tape, a copper-plastic tape shielding layer is wrapped outside the weaving layer.
2. The environment-friendly non-metal reinforced flame-retardant fire-resistant computer cable according to claim 1, wherein: a tensile and bending resistant nonmetal aramid fiber reinforced plastic rod is longitudinally arranged in each three-twisted basic unit group in the cable core, and a tensile and bending resistant flame-retardant and fire-resistant basalt fiber textile yarn weaving layer is woven outside the ceramic silicon rubber fire-resistant oxygen isolation zone.
CN202020493647.3U 2020-04-08 2020-04-08 Fire-retardant fire-resistant computer cable is strengthened to nonmetal of environment-friendly Expired - Fee Related CN211742691U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020493647.3U CN211742691U (en) 2020-04-08 2020-04-08 Fire-retardant fire-resistant computer cable is strengthened to nonmetal of environment-friendly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020493647.3U CN211742691U (en) 2020-04-08 2020-04-08 Fire-retardant fire-resistant computer cable is strengthened to nonmetal of environment-friendly

Publications (1)

Publication Number Publication Date
CN211742691U true CN211742691U (en) 2020-10-23

Family

ID=72854014

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020493647.3U Expired - Fee Related CN211742691U (en) 2020-04-08 2020-04-08 Fire-retardant fire-resistant computer cable is strengthened to nonmetal of environment-friendly

Country Status (1)

Country Link
CN (1) CN211742691U (en)

Similar Documents

Publication Publication Date Title
CN105590679B (en) Include the photoelectric mixed cable of coaxial electric unit
CN202887789U (en) Halogen-free fire-proof mud-proof control cable for offshore platform
CN104835576A (en) Combined control cable and preparation method therefor
CN209880225U (en) Self-supporting fire-resistant waterproof computer cable
CN107359011A (en) A kind of coal-winning machine complex control cable
CN211742691U (en) Fire-retardant fire-resistant computer cable is strengthened to nonmetal of environment-friendly
CN203260337U (en) Fireproof composite cable
CN203085201U (en) An instrument flat cable used in a petroleum platform
CN202196596U (en) Traveling control cable
CN217640706U (en) Flame-retardant and fire-resistant composite cable for photoelectric digital signal transmission
CN211858207U (en) Anti-interference radiation-resistant high-flame-retardant fire-resistant control cable for extra-high voltage transformer substation
CN208985725U (en) High fire-retardance flame-proof type communication instrument signal cable
CN209993362U (en) Low dielectric constant communication cable
CN209216604U (en) A kind of light-duty copper core copper sheath mineral insulated cable
CN103474159B (en) Movable self-bearing high-flame retardance metallic shield monitoring flexible cable for coal mine
CN202976938U (en) Six-core flame retardation light cable
CN209625835U (en) A kind of nonmetallic reinforcement tension radiation protection flame-retardant flexible cable
CN114743724A (en) Flame-retardant and fire-resistant composite cable for photoelectric digital signal transmission
CN206401075U (en) The compound naval vessel medium-pressure power cable of control
CN206179594U (en) An anti fire -retardant data cable
CN203480909U (en) Movable self-supporting high-flame retardant metal sheathed monitor-type flexible cable for coal mine
CN213601651U (en) Low-smoke halogen-free flame-retardant A-type fire-resistant cable
CN213958627U (en) High-shielding inorganic mineral insulated control cable
CN218525342U (en) High-flame-retardance no-dripping-object low-smoke-density environment-friendly non-shielded digital communication cable
CN213844872U (en) Low-inductance photoelectric hybrid cable for 5G communication

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201023

CF01 Termination of patent right due to non-payment of annual fee