CN212061919U - Water-blocking fireproof special cable - Google Patents
Water-blocking fireproof special cable Download PDFInfo
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- CN212061919U CN212061919U CN202021217615.7U CN202021217615U CN212061919U CN 212061919 U CN212061919 U CN 212061919U CN 202021217615 U CN202021217615 U CN 202021217615U CN 212061919 U CN212061919 U CN 212061919U
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- Prior art keywords
- protective layer
- water
- ceramic
- cable
- copper core
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000000919 ceramic Substances 0.000 claims abstract description 36
- 239000011241 protective layer Substances 0.000 claims abstract description 35
- 239000010410 layer Substances 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000004020 conductor Substances 0.000 claims abstract description 21
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 230000002265 prevention Effects 0.000 claims abstract description 8
- 239000000779 smoke Substances 0.000 claims description 12
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 10
- 239000003063 flame retardant Substances 0.000 claims description 10
- 229920000098 polyolefin Polymers 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 8
- 239000011707 mineral Substances 0.000 claims description 8
- 229920002313 fluoropolymer Polymers 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 7
- 229920002379 silicone rubber Polymers 0.000 claims description 7
- 230000009970 fire resistant effect Effects 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 4
- 239000011819 refractory material Substances 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 5
- 230000017105 transposition Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007590 electrostatic spraying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a fire prevention special cable blocks water, including several sinle silks, the sinle silk includes the copper core and wraps first insulation layer and second insulating layer outside the copper core in proper order, the copper core is the many copper conductor transposition of corrugated by the cross-section and constitutes, and several sinle silks after the transposition are equipped with ceramic band, first protective layer, second protective layer, steel band armor and sheath outward in proper order, it has the rope that blocks water still to fill between sinle silk and the ceramic band. The utility model has the advantages of simple structure and reasonable design, adopt double-deck insulating layer and double-deck protective layer's setting for the cable has reached better blocking water, fire prevention effect, and under the condition that has higher stability, the high electric conductive property of cable has been guaranteed simultaneously, has reduced the safety hazard in utilization of cable.
Description
Technical Field
The utility model belongs to the technical field of the special type cable, concretely relates to fire prevention special type cable blocks water.
Background
At present, common cables on the market generally resist high temperature of 90 ℃ and do not have the characteristic of water resistance, and under the environment with much moisture or rainwater, the conductors and the insulation of the cables can be influenced after moisture is soaked in the cables. As for the conductor, the cable is in a thermal stable state when in normal operation, the temperature of the conductor is generally above 60 ℃, if moisture is soaked, the conductor is oxidized, the contact resistance between the single wires in the conductor is increased, the resistance of the conductor is increased, the energy loss of a power transmission line is increased, and even potential safety hazards are generated. With the continuous development and progress of the society, the requirements of special fields such as aerospace, rail transit, petrochemical industry and the like on cables are higher and higher, and the cables are required to have good water resistance while ensuring the fireproof performance. Therefore, we propose a special cable with good water resistance and good fire resistance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve just is not enough to above-mentioned prior art, provides a fire prevention special type cable blocks water, and it has good fire behavior and water blocking performance, still has shock resistance and interference killing feature simultaneously.
The utility model adopts the technical proposal that: the utility model provides a fire prevention special type cable blocks water, includes several sinle silks, the sinle silk includes the copper core and wraps first insulating layer and second insulating layer outside the copper core in proper order, the copper core is the transposition of many copper conductors of corrugated shape by the cross-section and constitutes, and several sinle silks after the transposition are equipped with pottery outward in proper order and change band, first protective layer, second protective layer, steel band armor and sheath, it has the rope that blocks water still to fill between sinle silk and the pottery band, first protective layer separates oxygen mud for the flexible pottery fire-resistant mineral substance of pottery armour to through extruding the cladding at pottery band outer wall, the second protective layer is silicon rubber glass fiber protection heat insulating tape to through wrapping the winding outside first protective layer.
Preferably, the water-blocking powder is sprayed in the gaps of the copper core formed by twisting a plurality of copper conductors.
Preferably, the thickness of the first protective layer is 2mm, and the thickness of the second protective layer is 0.2 mm.
Preferably, the first insulating layer is fluoroplastic and is coated on the outer wall of the copper core through extrusion, and the second insulating layer is a ceramic halogen-free low-smoke polyolefin flame-retardant fire-resistant insulating material and is coated on the outer wall of the first insulating layer through extrusion.
Preferably, the steel tape armor layer is a double non-magnetic stainless steel tape and is wrapped on the outer wall of the second protective layer by wrapping.
Preferably, the sheath is made of ceramic halogen-free low-smoke polyolefin flame-retardant refractory material.
The beneficial effects of the utility model reside in that:
(1) the copper core is formed by twisting the corrugated copper conductors, so that the tightness among the copper conductors is effectively improved, the volume of the copper core is reduced, meanwhile, the gaps among the copper conductors are smaller, the oxidation of air on the copper conductors is reduced, the high conductivity of the copper core is ensured, and the water blocking powder is added into the twisting gaps of the copper core, so that the water blocking performance of the copper core is effectively improved;
(2) the first insulating layer is made of fluoroplastic, and can transmit larger allowable current under the condition of conductors with the same cross section, so that the high conductivity of the wire core is ensured while the excellent insulating property is achieved;
(3) the second insulating layer is made of ceramic halogen-free low-smoke polyolefin flame-retardant and fire-resistant insulating materials, and has excellent flame retardance and fire resistance, and horizontal combustion can be carried out without delayed combustion, so that the insulating, water-blocking and fire-proof effects of the wire core are improved;
(4) a water blocking rope is filled between the twisted wire core and the ceramic wrapping belt, so that the water blocking performance of the cable is further improved;
(5) by adopting the ceramic armor flexible ceramic fireproof mineral substance oxygen-insulating mud as the first protective layer, which is an inorganic composite mineral substance oxide oxygen-insulating filling material, the flexibility of the cable can be increased, the bending radius can be reduced, the cable can be prevented from cracking in the production and use processes, and the ceramic cable can be gradually ceramic after combustion, and has the advantages of no sticking, no smoke, no harmful gas, fire prevention, fire resistance and the like;
(6) the silicon rubber glass fiber protective heat insulation belt is used as a second protective layer, and the effects of heat insulation protection and heat preservation are mainly achieved;
(7) the steel tape armor layer is wrapped by double non-magnetic stainless steel tapes, so that the impact resistance and the anti-interference performance of the cable can be enhanced;
(8) the sheath is made of ceramic halogen-free low-smoke polyolefin flame-retardant refractory material, the mechanical property and the high and low temperature resistance of the sheath are high, the bending breaking strength of the armor body after ablation can reach 5-8MPa, and the sheath can be continuously produced indefinitely long without seams.
The utility model has the advantages of simple structure and reasonable design, adopt double-deck insulating layer and double-deck protective layer's setting for the cable has reached better blocking water, fire prevention effect, and under the condition that has higher stability, the high electric conductive property of cable has been guaranteed simultaneously, has reduced the safety hazard in utilization of cable.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the wire core of the present invention;
fig. 3 is a partial enlarged view of the copper core of the present invention.
In the figure: 1. a wire core; 2. a copper core; 3. a first insulating layer; 4. a second insulating layer; 5. ceramic wrapping belts; 6. a first protective layer; 7. a second protective layer; 8. a steel tape armor layer; 9. a sheath; 10. a water-blocking rope; 11. water-blocking powder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1, fig. 2 and fig. 3, the water-blocking fireproof special cable provided in this embodiment includes a plurality of wire cores 1, where the wire cores 1 include a copper core 2, and a first insulating layer 3 and a second insulating layer 4 sequentially covering the copper core 2, the copper core 2 is formed by twisting a plurality of copper conductors with corrugated cross sections, a gap of the twisted copper core 2 is sprayed with a water-blocking powder 11, the water-blocking powder 11 may be sprayed and filled in the gap of the copper core 2 by using an electrostatic spraying device, or silicone oil may be applied to the surface of the copper conductor before twisting, and then the copper conductor coated with the silicone oil passes through a box of the water-blocking powder 11, so that the water-blocking powder 11 is adhered and then twisted;
the copper core 2 is formed by twisting corrugated copper conductors, so that the twisting gap can be reduced, the water blocking powder 11 is added into the copper core 2, and the water blocking tape is wrapped outside the copper core 2, so that the water blocking performance of the copper core 2 is effectively improved;
meanwhile, the copper core 2 is provided with a double-layer insulating layer, the fluoroplastic is coated on the outer wall of the wire core 1 through extrusion, the fluoroplastic is used as the first insulating layer 3, the fluoroplastic cable has strong thermal stability, and the fluoroplastic cable can transmit larger allowable current under the condition of the same section conductor; the ceramic halogen-free low-smoke polyolefin flame-retardant fireproof insulating material is extruded and coated outside the first insulating layer 3 to serve as a second insulating layer 4, has excellent flame retardance and fireproof performance, can be self-extinguished without delayed combustion under the condition of horizontal combustion, is flamed at 1600 ℃ of 350-;
a ceramic wrapping tape 5, a first protective layer 6, a second protective layer 7, a steel tape armor layer 8 and a sheath 9 are sequentially arranged outside the stranded wire cores 1, and a water blocking rope 10 is filled between the wire cores 1 and the ceramic wrapping tape 5;
the water blocking rope 10 can fill the gap between the wire core 1 and the wrapping tape, so that the gap after the wire core 1 is twisted is reduced, the air content in the gap is reduced, and the water blocking rope 10 is selected as the filler, so that the water blocking performance of the cable is further improved, and water is effectively prevented from entering the wire core 1;
the first protective layer 6 is formed by extruding ceramic-armored flexible ceramic fireproof mineral oxygen-insulating mud, the thickness of the first protective layer is controlled to be 2mm, the second protective layer 7 is formed by wrapping a silicon rubber glass fiber protective heat-insulating tape, and the thickness of the second protective layer is controlled to be 0.2 mm; adopts the double-layer protection design of the ceramic armor flexible ceramic fireproof refractory mineral matter oxygen-insulating mud and the silicon rubber glass fiber protection heat-insulating belt, wherein the ceramic armor flexible ceramic fireproof refractory mineral oxygen-insulating mud has excellent ceramic forming property, and can be used for preparing a ceramic material at a high temperature of more than 450 ℃ or under flame, can be rapidly sintered into a complete ceramic body, and the ceramic body keeps good bending strength when meeting water and can not be pulverized, meanwhile, the sintering speed is high, the ceramic body does not deform, crack or drip in the process of ceramic formation, the ceramic body has a microporous structure and has good effects of fire resistance, oxygen isolation and heat insulation, the silicon rubber glass fiber protective heat-insulating belt mainly plays the roles of heat insulation, protection and heat preservation, so the silicon rubber glass fiber protective heat-insulating belt is used as an outer protective layer, the protective function of heat insulation and heat preservation is achieved under the general condition, and if the second protective layer 7 is damaged during combustion, ceramic protection can be performed through the first protective layer 6; the ceramic-armored flexible ceramic fireproof refractory mineral substance oxygen-isolating mud is used as the first protective layer 6, has good flexibility, can reduce the bending radius of the cable, and cannot crack in the processing and using processes;
the steel belt armor layer 8 is a double non-magnetic stainless steel belt and wraps the outer wall of the second protective layer 7 in a wrapping mode, so that the overall impact resistance and the anti-interference performance of the cable can be enhanced;
the sheath 9 is made of ceramic halogen-free low-smoke polyolefin flame-retardant refractory material, has good mechanical property, and the bending breaking strength of the ablated armor can reach about 5-8 MPa; the fire-resistant and flame-retardant inorganic ceramic armor has high and low temperature resistance, has the characteristics of common halogen-free low-smoke polyolefin fire-resistant and flame-retardant fuel at the temperature of-55-95 ℃, and the high temperature resistance of the sintered inorganic ceramic armor can reach 2000 ℃; the smoke-free environment-friendly cigarette also has excellent safety and environmental protection, does not delay combustion and drip, has the smoke toxicity reaching ZA1 level, does not cause secondary damage to human bodies, and has the smoke density and the light transmittance of over 80 percent; meanwhile, the bending radius of the aluminum alloy sheath is smaller than that of the aluminum alloy sheath 9, the aluminum alloy sheath is easy and convenient to lay, and can be continuously produced infinitely long without seams.
The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model should be covered in the protection scope of the present invention.
Claims (6)
1. The utility model provides a fire prevention special type cable blocks water which characterized in that: comprises a plurality of wire cores (1), wherein each wire core (1) comprises a copper core (2), a first insulating layer (3) and a second insulating layer (4) which are sequentially coated outside the copper core (2), the copper core (2) is formed by twisting a plurality of copper conductors with corrugated sections, a ceramic wrapping tape (5), a first protective layer (6), a second protective layer (7), a steel strip armor layer (8) and a sheath (9) are sequentially arranged outside the twisted plurality of wire cores (1), a water-blocking rope (10) is filled between the wire core (1) and the ceramic wrapping belt (5), the first protective layer (6) is ceramic-armored flexible ceramic fireproof refractory mineral oxygen-insulating mud, the second protective layer (7) is a silicon rubber glass fiber protective heat insulation tape and is wound outside the first protective layer (6) by wrapping.
2. A water-blocking fire-proof special cable as claimed in claim 1, wherein: water-blocking powder (11) is sprayed in gaps of a copper core (2) formed by twisting a plurality of copper conductors.
3. A water-blocking fire-proof special cable as claimed in claim 1 or 2, wherein: the thickness of the first protective layer (6) is 2mm, and the thickness of the second protective layer (7) is 0.2 mm.
4. A water-blocking fire-proof special cable as claimed in claim 1, wherein: the first insulating layer (3) is fluoroplastic, and is wrapped on the outer wall of the copper core (2) through extrusion, and the second insulating layer (4) is a ceramic halogen-free low-smoke polyolefin flame-retardant fire-resistant insulating material and is wrapped on the outer wall of the first insulating layer (3) through extrusion.
5. A water-blocking fire-proof special cable as claimed in claim 1, wherein: the steel belt armor layer (8) is a double non-magnetic stainless steel belt and is wrapped on the outer wall of the second protective layer (7) through wrapping.
6. A water-blocking fire-proof special cable as claimed in claim 1, wherein: the sheath (9) is made of ceramic halogen-free low-smoke polyolefin flame-retardant refractory material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021217615.7U CN212061919U (en) | 2020-06-28 | 2020-06-28 | Water-blocking fireproof special cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021217615.7U CN212061919U (en) | 2020-06-28 | 2020-06-28 | Water-blocking fireproof special cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212061919U true CN212061919U (en) | 2020-12-01 |
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ID=73515152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021217615.7U Active CN212061919U (en) | 2020-06-28 | 2020-06-28 | Water-blocking fireproof special cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212061919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111667944A (en) * | 2020-06-28 | 2020-09-15 | 金杯塔牌电缆有限公司 | A water-blocking and fire-proof special cable |
-
2020
- 2020-06-28 CN CN202021217615.7U patent/CN212061919U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111667944A (en) * | 2020-06-28 | 2020-09-15 | 金杯塔牌电缆有限公司 | A water-blocking and fire-proof special cable |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.39 Jintai Road, East Industrial District, Xindu District, Chengdu, Sichuan 610000 Patentee after: Jinbei electric (Chengdu) Co.,Ltd. Address before: No.39 Jintai Road, East Industrial District, Xindu District, Chengdu, Sichuan 610000 Patentee before: JINBEI TA PAI CABLES CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |