CN219958635U - Mineral insulation corrugated copper sheath fireproof cable with optical fiber composite mica tape - Google Patents

Mineral insulation corrugated copper sheath fireproof cable with optical fiber composite mica tape Download PDF

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Publication number
CN219958635U
CN219958635U CN202223558358.5U CN202223558358U CN219958635U CN 219958635 U CN219958635 U CN 219958635U CN 202223558358 U CN202223558358 U CN 202223558358U CN 219958635 U CN219958635 U CN 219958635U
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China
Prior art keywords
optical fiber
wire bundles
copper
sheath
fireproof cable
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Active
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CN202223558358.5U
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Chinese (zh)
Inventor
肖汉杰
王超君
曹家昌
王雪奎
谢康康
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People's Cable Group Co ltd
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People's Cable Group Co ltd
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Abstract

The utility model relates to the technical field of power transmission power cables, in particular to an optical fiber composite mica tape mineral insulation corrugated copper sheath fireproof cable, which comprises a plurality of wire bundles, wherein the wire bundles are round and are uniformly distributed in a rectangular shape; the inner sides of the wire bundles are provided with optical fiber units, each wire bundle comprises a copper conductor and calcined mica tapes, the calcined mica tapes are sleeved on the outer surfaces of the corresponding copper conductors, and two adjacent calcined mica tapes are distributed tangentially; the outer sides of the plurality of wire bundles are provided with a plurality of layers of protective sleeves; the fire disaster protection device has the functions of transmitting electric energy and signal information, and can ensure normal use of power equipment and signal equipment in a certain time when a fire disaster occurs.

Description

Mineral insulation corrugated copper sheath fireproof cable with optical fiber composite mica tape
Technical Field
The utility model relates to the technical field of power transmission power cables, in particular to an optical fiber composite mica tape mineral insulation corrugated copper sheath fireproof cable.
Background
Today, the demand of fireproof cables is increasing, people are pursuing the quality of the fireproof cables and the requirements on the types and functions of the fireproof cables are becoming stricter, the fireproof cables are generally used for emergency lighting or safety channel power supply circuits in high-rise buildings, the circuits can still work in normal production for a certain time when a fire disaster occurs, and meanwhile, auxiliary circuits for signal transmission or information transmission are arranged in the areas, so that the fireproof cables cannot be normally used due to the fact that the excellent fireproof performance is not available; for this purpose, an optical fiber composite mica tape mineral insulation corrugated copper sheath fireproof cable is provided to solve the problems mentioned in the above.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the fiber composite mica tape mineral insulation corrugated copper sheath fireproof cable which has the functions of transmitting electric energy and signal information, and can ensure normal use of power equipment and signal equipment in a certain time when a fire disaster occurs, thereby effectively solving the problems mentioned in the background art.
The technical scheme adopted by the utility model for solving the problems is as follows:
the utility model provides an optical fiber composite mica tape mineral insulation ripple copper sheath fireproof cable, includes a plurality of conductor bundles, and the conductor bundle is the circle shape and is the even distribution of rectangle again; the inner sides of the wire bundles are provided with optical fiber units, each wire bundle comprises a copper conductor and calcined mica tapes, the calcined mica tapes are sleeved on the outer surfaces of the corresponding copper conductors, and two adjacent calcined mica tapes are distributed tangentially; the outside of a plurality of wire bundles is provided with a plurality of layers of protective sleeves.
The optical fiber unit comprises a high-density polyethylene outer sheath, a plurality of multimode optical fibers are arranged in the high-density polyethylene outer sheath, the multimode optical fibers are intertwined and twisted to form a bundle of waterproof ointment which is arranged on the high-density polyethylene outer sheath, and the high-density polyethylene outer sheath is filled with waterproof ointment matched with the multimode optical fibers.
The multilayer protective sleeve comprises a high-flame-retardant wrapping belt sleeved on the outer surfaces of the plurality of wire bundles, and inorganic mineral ropes matched with the wire bundles are filled in the high-flame-retardant wrapping belt.
The multilayer protective sleeve further comprises a wrinkled copper protective sleeve sleeved on the outer surface of the high-flame-retardant wrapping tape.
The multilayer protective sleeve further comprises a high flame retardant polyolefin sheath sleeved on the outer surface of the corrugated copper sheath.
The utility model has novel structure, ingenious conception and simple and convenient operation, and has the following advantages compared with the prior art:
compared with the common fireproof cable, the fiber composite mica tape mineral insulation corrugated copper sheath fireproof cable has the advantages that the fiber composite mica tape mineral insulation corrugated copper sheath fireproof cable has excellent flame retardance and fireproof performance through the arranged calcined mica tape, corrugated copper sheath and the like, and can meet the A-class bundled combustion and fireproof mechanical impact and spraying test specified by the GB/T19666-1019 standard; the laying cost is low, and the trouble of separately laying the fireproof cable and the optical fiber unit is reduced; the fireproof and waterproof performance of the optical fiber unit is realized.
Drawings
Fig. 1 is a schematic structural view of an optical fiber composite mica tape mineral insulation corrugated copper sheath fireproof cable.
Reference numerals in the drawings: 1-copper conductor, 2-calcined mica tape, 3-optical fiber unit, 4-inorganic mineral rope, 5-high flame retardant tape, 6-wrinkled copper sheath, 7-high flame retardant polyolefin sheath and 8-high density polyethylene outer sheath.
Detailed Description
The following are specific embodiments of the present utility model, and the technical solutions of the present utility model are further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in FIG. 1, the utility model provides an optical fiber composite mica tape mineral insulation corrugated copper sheath fireproof cable, which comprises a plurality of wire bundles, wherein the wire bundles are round and are uniformly distributed in a rectangular shape; the inner sides of the wire bundles are provided with optical fiber units 3, each wire bundle comprises a copper conductor 1 and calcined mica tapes 2, the calcined mica tapes 2 are sleeved on the outer surfaces of the corresponding copper conductors 1, and two adjacent calcined mica tapes 2 are distributed tangentially; the outside of a plurality of wire bundles is provided with a plurality of layers of protective sleeves.
As shown in fig. 1, the conductor of the wire bundle adopts a compressed circular 2-type copper conductor 1, the insulation is a high-temperature calcined double-sided insulation mica tape, the high-temperature calcined mica tape 2 can be rapidly crusted and hardened at a high temperature of 1000 ℃, the external temperature transmission and flame propagation are blocked, and the copper conductor 1 or the optical fiber unit 3 inside is protected from being damaged; the optical fiber unit 3 is arranged on the inner side of the guide beam, so that the optical fiber unit 3 can be effectively protected during flame propagation or temperature transmission to prevent high-temperature damage; through the multilayer protective sheath that sets up, can strengthen fire-retardant fire prevention, waterproof performance, further carry out multi-functional protection to inside direction bundle, make copper conductor 1, optical fiber unit 3 can normally work under abominable environment.
The optical fiber unit 3 comprises a high-density polyethylene outer sheath 8, a plurality of multimode optical fibers are arranged in the high-density polyethylene outer sheath 8, the multimode optical fibers are intertwined and twisted to form a bundle of waterproof ointment which is arranged on the high-density polyethylene outer sheath 8, and the high-density polyethylene outer sheath 8 is also filled with waterproof ointment matched with the multimode optical fibers.
The optical fiber unit 3 and the wires are cabled together, the high-density polyethylene outer sheath 8 has waterproofness, the outer surface of the high-density polyethylene outer sheath 8 is also sleeved with the high-temperature calcined double-sided insulating mica tape, the optical fiber unit 3 can have fireproof and waterproof performances, and when the optical fiber unit 3 is independently exposed outside, the optical fiber unit can also adapt to severe environments.
The multilayer protective sleeve comprises a high-flame-retardant wrapping belt 5 sleeved on the outer surfaces of a plurality of wire bundles, and inorganic mineral ropes 4 matched with the wire bundles are filled in the high-flame-retardant wrapping belt 5.
The high-flame-retardant wrapping tape 5 is made of a high-oxygen index material, has strong flame retardance, can effectively fix the wire bundles through the filled inorganic mineral ropes 4, has good flame retardance, and can enable the cable to keep good roundness.
The multilayer protective sleeve further comprises a wrinkled copper protective sleeve 6 sleeved on the outer surface of the high-flame-retardant wrapping tape 5.
The high flame-retardant wrapping tape 5 is fixedly connected with the corrugated copper sheath 6 through adhesion, the corrugated copper sheath 6 is welded in an argon arc welding seamless mode, the corrugated copper sheath is pressed into a corrugated pipe shape, flame or moisture is prevented from entering, and meanwhile good bending performance of the cable is guaranteed.
The multilayer protective sleeve further comprises a high flame retardant polyolefin sheath 7 sleeved on the outer surface of the corrugated copper sheath 6.
The wrinkled copper sheath 6 and the high flame retardant polyolefin sheath 7 are fixedly connected in an adhesive way, the high flame retardant polyolefin sheath 7 is made of low smoke halogen-free polyolefin, flame spread can be prevented, the outer surface has good smoothness and wear resistance, and perforation installation is facilitated.
When the fire-resistant cable is used, compared with a common fire-resistant cable, the fire-resistant cable has a plurality of advantages, has excellent fire resistance through the arranged calcined mica tape 2, the corrugated copper sheath 6 and the like, and can meet the A-class bundled combustion and fire-resistant mechanical impact and spray test specified by the GB/T19666-1019 standard; the laying cost is low, and the trouble of separately laying the fireproof cable and the optical fiber unit 3 is reduced; the fireproof and waterproof performance of the optical fiber unit 3 is realized.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions, without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (4)

1. The utility model provides a compound mica tape mineral insulation ripple copper sheath fireproof cable of optic fibre, includes a plurality of conductor bundles, its characterized in that: the wire bundles are round and are uniformly distributed in a rectangular shape; the inner sides of the wire bundles are provided with optical fiber units (3), each wire bundle comprises a copper conductor (1) and calcined mica tapes (2), the calcined mica tapes (2) are sleeved on the outer surfaces of the corresponding copper conductors (1), and two adjacent calcined mica tapes (2) are tangentially distributed; the outer sides of the plurality of wire bundles are provided with a plurality of layers of protective sleeves;
the optical fiber unit (3) comprises a high-density polyethylene outer sheath (8), a plurality of multimode optical fibers are arranged in the high-density polyethylene outer sheath (8), the multimode optical fibers are intertwined and twisted to form a bundle, the bundle is arranged in the high-density polyethylene outer sheath (8), and waterproof ointment matched with the multimode optical fibers is filled in the high-density polyethylene outer sheath (8).
2. The fiber composite mica tape mineral insulated corrugated copper jacketed fireproof cable of claim 1, wherein: the multilayer protective sleeve comprises a high-flame-retardance wrapping belt (5) sleeved on the outer surfaces of a plurality of wire bundles, and inorganic mineral ropes (4) matched with the wire bundles are filled in the high-flame-retardance wrapping belt (5).
3. An optical fiber composite mica tape mineral insulated corrugated copper jacketed fireproof cable as in claim 2, wherein: the multilayer protective sleeve further comprises a wrinkled copper protective sleeve (6) sleeved on the outer surface of the high-flame-retardant wrapping tape (5).
4. A fiber composite mica tape mineral insulated corrugated copper jacketed fireproof cable as in claim 3, wherein: the multilayer protective sleeve further comprises a high-flame-retardance polyolefin sheath (7) sleeved on the outer surface of the corrugated copper sheath (6).
CN202223558358.5U 2022-12-30 2022-12-30 Mineral insulation corrugated copper sheath fireproof cable with optical fiber composite mica tape Active CN219958635U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223558358.5U CN219958635U (en) 2022-12-30 2022-12-30 Mineral insulation corrugated copper sheath fireproof cable with optical fiber composite mica tape

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223558358.5U CN219958635U (en) 2022-12-30 2022-12-30 Mineral insulation corrugated copper sheath fireproof cable with optical fiber composite mica tape

Publications (1)

Publication Number Publication Date
CN219958635U true CN219958635U (en) 2023-11-03

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CN202223558358.5U Active CN219958635U (en) 2022-12-30 2022-12-30 Mineral insulation corrugated copper sheath fireproof cable with optical fiber composite mica tape

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CN (1) CN219958635U (en)

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