CN211265066U - Computer cable that fire behavior is good - Google Patents

Computer cable that fire behavior is good Download PDF

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Publication number
CN211265066U
CN211265066U CN201922195837.7U CN201922195837U CN211265066U CN 211265066 U CN211265066 U CN 211265066U CN 201922195837 U CN201922195837 U CN 201922195837U CN 211265066 U CN211265066 U CN 211265066U
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layer
fireproof
fire
cable
insulating sheath
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CN201922195837.7U
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张常兵
田东升
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Anhui Guoxin Cable Polytron Technologies Inc
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Anhui Guoxin Cable Polytron Technologies Inc
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Abstract

The utility model discloses a computer cable with good fireproof performance, which comprises a cable core, an outer fireproof wrapping tape layer, a shielding layer, an isolation layer, an inner insulating sheath layer, an outer insulating sheath layer and an enhancement layer, wherein the outer fireproof wrapping tape layer, the shielding layer, the isolation layer, the inner insulating sheath layer, the outer insulating sheath layer and the enhancement layer are sequentially wrapped outside the cable core; a first fireproof filling layer is arranged between the cable core and the outer fireproof belting layer; the wire core comprises an inner fireproof belting layer, a guide core and a second fireproof filling layer arranged between the inner fireproof belting layer and the guide core; lead the core and include conductor, flame retardant coating and insulating layer cladding in proper order are provided with the brace rod between internal insulation restrictive coating and the external insulation restrictive coating in the outside of conductor, still pack between internal insulation restrictive coating and the external insulation restrictive coating and have the fire extinguishing agent, and the enhancement layer is metal sheath, and the interval is equipped with the through-hole on the enhancement layer, and the surface of enhancement layer is still provided with the rib at the interval. The utility model discloses to computer cable fire behavior is not enough among the prior art, the poor scheduling problem of wear resistance improves, the utility model has excellent fire behavior and wear resistance.

Description

Computer cable that fire behavior is good
Technical Field
The utility model relates to a computer cable technical field especially relates to a computer cable that fire behavior is good.
Background
The computer cable belongs to one of special cables for an electronic computer system, the application range of the computer cable is continuously expanded along with continuous development of high and new technologies such as big data, artificial intelligence, internet of things and the like, the computer cable is widely applied to signal transmission and control systems of electronic computers, instruments and meters, various automatic detection equipment and other information processing equipment in a plurality of fields such as factory and mining enterprises, energy industry, subways, tunnels, supermarkets, convention and exhibition centers and the like, and the fields all need the computer cable to stably transmit electric energy and signals for a long time, so that the computer cable has strict requirements on various performances.
The fire-proof performance is an important performance of the computer cable, and in case of fire, whether the computer cable can normally work within a certain time or not plays an important role in escaping and disaster relief.
To above technical problem, the utility model discloses a computer cable that fire behavior is good, the utility model has the advantages of fire behavior is good, structural strength is high, wear resistance is good, long service life.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a computer cable that fire behavior is good to calculate among the solution prior art technical problem such as cable fire behavior lack, structural strength is low, wear resistance is poor and life is short, the utility model has the advantages of fire behavior is good, structural strength is high, wear resistance is good, long service life.
The utility model discloses a following technical scheme realizes: the utility model discloses a computer cable with good fireproof performance, which comprises a cable core, an outer fireproof wrapping tape layer, a shielding layer, an isolation layer, an inner insulating sheath layer, an outer insulating sheath layer and an enhancement layer, wherein the outer fireproof wrapping tape layer, the shielding layer, the isolation layer, the inner insulating sheath layer, the outer insulating sheath layer and the enhancement layer are sequentially wrapped outside the cable core; a first fireproof filling layer is arranged between the cable core and the outer fireproof wrapping belt layer, and the cable core comprises at least three cable cores which are twisted with each other; the wire core comprises an inner fireproof wrapping belt layer, a guide core arranged in the inner fireproof wrapping belt layer and a second fireproof filling layer arranged between the inner fireproof wrapping belt layer and the guide core, and the wire core comprises at least two guide cores which are mutually twisted; the conductive core comprises a conductor, a fireproof layer and an insulating layer, and the fireproof layer and the insulating layer are sequentially coated outside the conductor; the inner insulating sheath layer and the outer insulating sheath layer are both made of fluoroplastics, supporting ribs are uniformly arranged between the inner insulating sheath layer and the outer insulating sheath layer at intervals, two ends of each supporting rib are fixedly connected with the inner insulating sheath layer and the outer insulating sheath layer respectively, and a fire extinguishing agent is filled between the inner insulating sheath layer and the outer insulating sheath layer; the enhancement layer is metal sheath, and the interval is equipped with the through-hole on the enhancement layer, and the surface of enhancement layer still interval is provided with the rib, and the rib is located the lateral part of through-hole.
Furthermore, in order to improve the fireproof performance of the insulating layer, the insulating layer is made of cross-linked polyethylene or silicon rubber, and the cross-linked polyethylene and the silicon rubber have excellent high-temperature resistance, fireproof performance and flame retardant performance.
Furthermore, in order to improve the structural strength of the computer cable, the reinforcing layer is a lead sheath or an aluminum alloy sheath.
Further, in order to enable the fire extinguishing agent to be sprayed out when the outer insulating sheath layer is fused and broken at high temperature and open fire, the fire source is restrained to a certain degree, the fire source is prevented from spreading, the combustion of a computer cable is prevented, meanwhile, the strength of the metal sheath of the reinforcing layer is not affected, and the diameter of the through hole is 0.5-1 mm.
Furthermore, in order to better support the inner insulating sheath layer and the outer insulating sheath layer and improve the structural strength of the computer cable, the support ribs are made of fluoroplastic, PEEK or polyamide materials.
Further, in order to carry out inseparable constraint to leading core and cable core, improve computer cable inner structure's compactness, thereby improve computer cable's structural strength, also improve computer cable's flame retardant property simultaneously, the isolation layer, outer fire prevention band layer and interior fire prevention band layer all adopt fire resistant mica tape, glass fiber cloth or aramid fiber cloth are formed around the package, the setting of isolation layer is kept apart shielding layer and interior insulating sheath layer, prevent that the shielding layer from leading to the fact the damage to the interior insulating sheath layer.
Furthermore, in order to improve the structural strength and the service performance of the computer cable, the shielding layer is formed by weaving copper wires or steel wires.
Furthermore, in order to improve the structural strength and the fireproof and flame-retardant performance of the computer cable, the first fireproof filling layer and the second fireproof filling layer are made of glass fiber ropes or aramid fiber ropes.
Further, in order to improve the fire-proof performance of the computer cable, the fire extinguishing agent is carbon dioxide.
Furthermore, in order to improve the fireproof performance of the computer cable, the fireproof layer is made of fireproof daub or fireproof paint. The flame retardant coating is the last fire barrier of computer cable, and other coating outside the flame retardant coating all became invalid the back, and the flame retardant coating carries out last fire prevention to can further prolong computer cable's operating time.
The utility model has the advantages of it is following:
(1) the utility model discloses a wrap the flame retardant coating outside the conductor, wrap the interior fire prevention band layer of package outward at leading the core, wrap the exterior fire prevention band layer of package outward at the cable core, set up first fire prevention filling layer between cable core and exterior fire prevention band layer, set up second fire prevention filling layer between leading core and interior fire prevention band layer, wrap the isolation layer outside the shielding layer, the isolation layer adopts fire-proof material to make, wrap interior insulating sheath layer and exterior insulating sheath layer outside the isolation layer, interior insulating sheath layer and exterior insulating sheath layer all adopt the fluoroplastics that fire behavior is excellent to make, therefore, each layer material of computer cable from inside outside all has excellent fire behavior, still pack fire extinguishing agent in addition between interior insulating sheath layer and exterior insulating sheath layer, fire extinguishing agent is carbon dioxide, spout from the through-hole when the fusion of exterior insulating sheath layer breaks under the condition of high temperature and naked light fire, carry out certain containment to the fire source, the fire source is prevented from spreading and the computer cable is prevented from burning, and the fire-proof and fire-extinguishing device has the functions of fire prevention and fire extinguishment, so that the utility model has excellent fire-proof performance;
(2) the utility model discloses be provided with the metal sheath enhancement layer at outer insulating sheath layer, be provided with the rib outside the enhancement layer, the fluoroplastics of making outer insulating sheath layer and internal insulation restrictive coating simultaneously also has excellent intensity and mechanical properties, still is provided with the brace rod between outer insulating sheath layer and the internal insulation restrictive coating, thereby has improved the utility model discloses a structural strength and wear-resisting performance have prolonged the utility model discloses a life.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a cross-sectional view of a wire core;
fig. 3 is a cross-sectional view of the guide core.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
Embodiment 1 discloses a computer cable with good fireproof performance, which comprises a cable core 1, and an outer fireproof wrapping tape layer 2, a shielding layer 3, an isolation layer 4, an inner insulating sheath layer 5, an outer insulating sheath layer 6 and a reinforcing layer 7 which are sequentially wrapped outside the cable core 1, wherein the outer fireproof wrapping tape layer 2 is formed by wrapping a fireproof mica tape, the shielding layer 3 is formed by weaving a copper wire, and the isolation layer 4 is formed by wrapping the fireproof mica tape; a first fireproof filling layer 8 is arranged between the cable core 1 and the outer fireproof wrapping band layer 2, the first fireproof filling layer 8 is made of glass fiber ropes, and the glass fiber ropes are twisted with the cable core 1; the cable core 1 comprises at least three wire cores 11 which are twisted with each other; as shown in fig. 2, the wire core 11 includes an inner fireproof wrapping band layer 111, a guide core 112 disposed in the inner fireproof wrapping band layer 111, and a second fireproof filling layer 113 disposed between the inner fireproof wrapping band layer 111 and the guide core 112, the wire core 11 includes at least two guide cores 112 twisted with each other, the inner fireproof wrapping band layer 111 is wrapped by a fire-resistant mica tape, the second fireproof filling layer 113 is made of a glass fiber rope, and the glass fiber rope is twisted with the guide core 112; as shown in fig. 3, the conductive core 112 includes a conductor 1121, a fire-proof layer 1122 and an insulating layer 1123, the fire-proof layer 1122 and the insulating layer 1123 are sequentially coated outside the conductor 1121, the fire-proof layer 1122 is fire-proof cement, and the insulating layer 1123 is made of a cross-linked polyethylene material; as shown in fig. 1, the inner insulating sheath layer 5 and the outer insulating sheath layer 6 are both made of fluoroplastic, supporting ribs 9 are uniformly arranged between the inner insulating sheath layer 5 and the outer insulating sheath layer 6 at intervals, the supporting ribs 9 are made of fluoroplastic, two ends of each supporting rib 9 are fixedly connected with the inner insulating sheath layer 5 and the outer insulating sheath layer 6 respectively, a fire extinguishing agent 10 is filled between the inner insulating sheath layer 5 and the outer insulating sheath layer 6, and the fire extinguishing agent 10 is carbon dioxide; the reinforcing layer 7 is a lead sheath, through holes 71 are arranged on the reinforcing layer 7 at intervals, the diameter of each through hole 71 is 0.5mm, ribs 72 are further arranged on the outer surface of the reinforcing layer 7 at intervals, and the ribs 72 are located on the side portions of the through holes 71.
The utility model discloses a wrap fire prevention layer 1122 outside conductor 1121, wrap interior fire prevention band layer 111 outside lead core 112, wrap exterior fire prevention band layer 2 outside cable core 1, set up first fire prevention filling layer 8 between cable core 1 and exterior fire prevention band layer 2, set up second fire prevention filling layer 113 between lead core 112 and interior fire prevention band layer 111, wrap isolation layer 4 outside shielding layer 3, isolation layer 4 adopts fire-proof material to make, wrap interior insulation sheath layer 5 and exterior insulation sheath layer 6 outside isolation layer 4, interior insulation sheath layer 5 and exterior insulation sheath layer 6 all adopt the fluoroplastics that fire behavior is excellent to make, therefore, computer cable all has excellent fire behavior from each layer material outside the inside, still pack fire extinguishing agent 10 between interior insulation sheath layer 5 and exterior insulation sheath layer 6 in addition, fire extinguishing agent 10 is carbon dioxide, spout from the through-hole 71 when exterior insulation sheath layer 6 melts and breaks under the condition of high temperature and naked light fire and carries out certain fire source, the fire source is prevented from spreading and the computer cable is prevented from burning, and the fire-proof and fire-extinguishing device has the functions of fire prevention and fire extinguishment, so that the utility model has excellent fire-proof performance; the utility model discloses be provided with lead sheath enhancement layer 7 at external insulation restrictive coating 6, be provided with rib 72 outside enhancement layer 7, the fluoroplastics of making external insulation restrictive coating 6 and internal insulation restrictive coating 5 simultaneously also has excellent intensity and mechanical properties, still is provided with brace 9 between external insulation restrictive coating 6 and the internal insulation restrictive coating 5, thereby has improved the utility model discloses a structural strength and wear-resisting performance have prolonged the utility model discloses a life.
Example 2
Embodiment 2 discloses a computer cable with good fireproof performance, which comprises a cable core 1, and an outer fireproof wrapping tape layer 2, a shielding layer 3, an isolating layer 4, an inner insulating sheath layer 5, an outer insulating sheath layer 6 and a reinforcing layer 7 which are sequentially coated outside the cable core 1, wherein the outer fireproof wrapping tape layer 2 is formed by wrapping glass fiber cloth, the shielding layer 3 is formed by weaving steel wires, and the isolating layer 4 is formed by wrapping the glass fiber cloth; a first fireproof filling layer 8 is arranged between the cable core 1 and the outer fireproof wrapping band layer 2, the first fireproof filling layer 8 is made of aramid fiber ropes, the aramid fiber ropes are twisted with the cable core 1, and the cable core 1 comprises at least three cable cores 11 which are twisted with each other; the wire core 11 comprises an inner fireproof wrapping band layer 111, a guide core 112 arranged in the inner fireproof wrapping band layer 111 and a second fireproof filling layer 113 arranged between the inner fireproof wrapping band layer 111 and the guide core 112, the wire core 11 comprises at least two guide cores 112 which are mutually twisted, the inner fireproof wrapping band layer 111 is formed by wrapping glass fiber cloth, the second fireproof filling layer 113 is made of aramid fiber ropes, and the aramid fiber ropes are twisted with the guide core 112; the conductive core 112 comprises a conductor 1121, a fireproof layer 1122 and an insulating layer 1123, wherein the fireproof layer 1122 and the insulating layer 1123 are sequentially coated outside the conductor 1121, the fireproof layer 1122 is fireproof paint, and the insulating layer 1123 is made of a silicon rubber material; the inner insulating sheath layer 5 and the outer insulating sheath layer 6 are both made of fluoroplastics, supporting ribs 9 are uniformly arranged between the inner insulating sheath layer 5 and the outer insulating sheath layer 6 at intervals, the supporting ribs 9 are made of PEEK materials, two ends of each supporting rib 9 are fixedly connected with the inner insulating sheath layer 5 and the outer insulating sheath layer 6 respectively, a fire extinguishing agent 10 is filled between the inner insulating sheath layer 5 and the outer insulating sheath layer 6, and the fire extinguishing agent 10 is carbon dioxide; the reinforcing layer 7 is an aluminum alloy sheath, through holes 71 are formed in the reinforcing layer 7 at intervals, the diameter of each through hole 71 is 1mm, ribs 72 are further arranged on the outer surface of the reinforcing layer 7 at intervals, and the ribs 72 are located on the side portions of the through holes 71.
The utility model discloses a wrap fire prevention layer 1122 outside conductor 1121, wrap interior fire prevention band layer 111 outside lead core 112, wrap exterior fire prevention band layer 2 outside cable core 1, set up first fire prevention filling layer 8 between cable core 1 and exterior fire prevention band layer 2, set up second fire prevention filling layer 113 between lead core 112 and interior fire prevention band layer 111, wrap isolation layer 4 outside shielding layer 3, isolation layer 4 adopts fire-proof material to make, wrap interior insulation sheath layer 5 and exterior insulation sheath layer 6 outside isolation layer 4, interior insulation sheath layer 5 and exterior insulation sheath layer 6 all adopt the fluoroplastics that fire behavior is excellent to make, therefore, computer cable all has excellent fire behavior from each layer material outside the inside, still pack fire extinguishing agent 10 between interior insulation sheath layer 5 and exterior insulation sheath layer 6 in addition, fire extinguishing agent 10 is carbon dioxide, spout from the through-hole 71 when exterior insulation sheath layer 6 melts and breaks under the condition of high temperature and naked light fire and carries out certain fire source, the fire source is prevented from spreading and the computer cable is prevented from burning, and the fire-proof and fire-extinguishing device has the functions of fire prevention and fire extinguishment, so that the utility model has excellent fire-proof performance; the utility model discloses be provided with lead sheath enhancement layer 7 at external insulation restrictive coating 6, be provided with rib 72 outside enhancement layer 7, the fluoroplastics of making external insulation restrictive coating 6 and internal insulation restrictive coating 5 simultaneously also has excellent intensity and mechanical properties, still is provided with brace 9 between external insulation restrictive coating 6 and the internal insulation restrictive coating 5, thereby has improved the utility model discloses a structural strength and wear-resisting performance have prolonged the utility model discloses a life.

Claims (10)

1. A computer cable with good fireproof performance is characterized by comprising a cable core, and an outer fireproof wrapping tape layer, a shielding layer, an isolation layer, an inner insulating sheath layer, an outer insulating sheath layer and a reinforcing layer which are sequentially wrapped outside the cable core;
a first fireproof filling layer is arranged between the cable core and the outer fireproof wrapping belt layer, and the cable core comprises at least three cable cores which are twisted with each other;
the cable core comprises an inner fireproof wrapping belt layer, a guide core arranged in the inner fireproof wrapping belt layer and a second fireproof filling layer arranged between the inner fireproof wrapping belt layer and the guide core, and the cable core comprises at least two guide cores which are mutually twisted;
the conductive core comprises a conductor, a fireproof layer and an insulating layer, and the fireproof layer and the insulating layer are sequentially coated outside the conductor;
the inner insulating sheath layer and the outer insulating sheath layer are both made of fluoroplastics, supporting ribs are uniformly arranged between the inner insulating sheath layer and the outer insulating sheath layer at intervals, two ends of each supporting rib are fixedly connected with the inner insulating sheath layer and the outer insulating sheath layer respectively, and a fire extinguishing agent is filled between the inner insulating sheath layer and the outer insulating sheath layer;
the reinforced layer is a metal sheath, through holes are formed in the reinforced layer at intervals, ribs are further arranged on the outer surface of the reinforced layer at intervals, and the ribs are located on the side portions of the through holes.
2. The computer cable with good fire-retardant property of claim 1, wherein the insulating layer is made of cross-linked polyethylene or silicone rubber material.
3. The computer cable with good fire-retardant property of claim 1, wherein the reinforcing layer is a lead sheath or an aluminum alloy sheath.
4. The computer cable with good fireproof performance of claim 1, wherein the diameter of the through hole is 0.5-1 mm.
5. The computer cable with good fire-retardant property of claim 1, wherein the supporting rib is made of fluoroplastic, PEEK or polyamide material.
6. The computer cable with good fireproof performance of claim 1, wherein the isolation layer, the outer fireproof wrapping layer and the inner fireproof wrapping layer are wrapped by a fire-resistant mica tape, a glass fiber cloth or an aramid fiber cloth.
7. The computer cable with good fireproof performance of claim 1, wherein the shielding layer is woven by copper wires or steel wires.
8. The computer cable with good fireproof performance of claim 1, wherein the first fireproof filling layer and the second fireproof filling layer are both made of glass fiber ropes or aramid fiber ropes.
9. The computer cable having improved fire protection as in claim 1, wherein said fire extinguishing agent is carbon dioxide.
10. The computer cable with good fire resistance of claim 1, wherein the fire-resistant layer is fire-resistant mastic or fire-resistant paint.
CN201922195837.7U 2019-12-10 2019-12-10 Computer cable that fire behavior is good Active CN211265066U (en)

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Application Number Priority Date Filing Date Title
CN201922195837.7U CN211265066U (en) 2019-12-10 2019-12-10 Computer cable that fire behavior is good

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113035412A (en) * 2021-02-06 2021-06-25 安徽铁信光电科技有限公司 Transponder data transmission cable
CN113921180A (en) * 2021-08-25 2022-01-11 倪受兵 Silica gel insulation fireproof cable

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113035412A (en) * 2021-02-06 2021-06-25 安徽铁信光电科技有限公司 Transponder data transmission cable
CN113035412B (en) * 2021-02-06 2023-02-21 安徽铁信光电科技有限公司 Transponder data transmission cable
CN113921180A (en) * 2021-08-25 2022-01-11 倪受兵 Silica gel insulation fireproof cable
CN113921180B (en) * 2021-08-25 2024-03-19 罗文长 Silica gel insulation fire-proof cable

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