CN215933257U - High-temperature-resistant fireproof flame-retardant cable - Google Patents
High-temperature-resistant fireproof flame-retardant cable Download PDFInfo
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- CN215933257U CN215933257U CN202122642261.1U CN202122642261U CN215933257U CN 215933257 U CN215933257 U CN 215933257U CN 202122642261 U CN202122642261 U CN 202122642261U CN 215933257 U CN215933257 U CN 215933257U
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- retardant
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 51
- 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 title claims abstract description 37
- 238000005253 cladding Methods 0.000 claims abstract description 29
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 9
- 230000017525 heat dissipation Effects 0.000 claims description 17
- 230000009970 fire resistant effect Effects 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 239000011248 coating agent Substances 0.000 abstract description 7
- 238000000576 coating method Methods 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 71
- 229910001873 dinitrogen Inorganic materials 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
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Abstract
The utility model discloses a cable, aiming at providing a high-temperature-resistant fireproof flame-retardant cable, which adopts the technical scheme that the high-temperature-resistant fireproof flame-retardant cable comprises a plurality of cable cores and an outer cladding, wherein the outer cladding wraps the cable cores, and the cable is characterized by also comprising: the flame-retardant layer is positioned on one side, close to the cable cores, of the outer cladding layer; wherein the flame retardant layer comprises: the number of the air bags is a plurality, nitrogen is filled in the air bags, and the air bags are circumferentially arranged in the outer coating at equal intervals; the dry powder is filled in the gaps of the flame-retardant layer, and the flame-retardant layer has a fire extinguishing effect on open fire of the cable or small open fire outside, so that the spread of the open fire is prevented, the spread of the fire is caused, and safety accidents are caused.
Description
Technical Field
The utility model belongs to the technical field of cables, and particularly relates to a high-temperature-resistant fireproof flame-retardant cable.
Background
In social economy life, the cable is widely applied, and due to the problems in the aspects of manufacturing, installation, operation and the like, the possibility and the danger of fire hazard of the cable are high, once the fire hazard of the cable occurs, a power supply circuit of fire-fighting equipment is burnt, the fire-fighting equipment cannot normally operate, the fire extinguishing time is delayed, and therefore greater life and property losses are caused.
The Chinese patent application No. (CN202020396479.6) discloses a medium-voltage fireproof power cable, which comprises a central column, a wire core unit, a buffer unit, a fireproof layer and an outer protective layer, wherein the buffer unit circumference array is arranged outside the central column, the wire core unit is arranged between adjacent buffer units, the fireproof layer coats the wire core unit and the buffer unit, the outer protective layer coats the fireproof layer, a glass fiber tape is arranged between the fireproof layer and the outer protective layer, the buffer unit comprises an elastic sheet and an air bag, the air bag is filled with nitrogen, a limit table is integrally formed at the top end of the air bag, the cross section of the limit table is T-shaped, an air outlet is formed in the limit table, a connecting block is sleeved on the limit table, the two ends of the connecting block are buckled on the elastic sheet, the application is realized by arranging the air bag and filling the air bag with nitrogen, when a fire disaster happens, nitrogen is sprayed out, the cable can be prevented from burning, but potential safety hazards still exist only through nitrogen, if inflammables exist at the periphery of the cable, ignition is easy to occur due to the driving of the nitrogen, if small-sized open flames which occur at the periphery of the cable are ignited more easily, the potential safety hazards exist, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a cable which can resist high temperature and prevent open fire from diffusing to resist flame.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high temperature resistant fire prevention flame retarded cable, includes a plurality of cable core and surrounding layer, including the surrounding layer wraps up a plurality of cable core, characterized by still includes:
the flame-retardant layer is positioned on one side, close to the cable cores, of the outer cladding layer;
wherein the flame retardant layer comprises:
the number of the air bags is a plurality, nitrogen is filled in the air bags, and the air bags are circumferentially arranged in the outer coating at equal intervals;
and the dry powder is filled in the gaps of the flame-retardant layer.
The utility model is further configured to further include:
the fire-retardant layer is positioned on one side of the fire-retardant layer close to the axis;
wherein, the flame retardant coating is formed by winding a plurality of layers of fire-resistant mica tapes.
The utility model is further configured to further include:
the heat insulation layer is positioned on one surface of the fire-proof layer close to the axis;
the shielding layer is embedded in the heat insulation layer;
wherein, the shielding layer is a metal wire mesh.
The utility model is further configured to further include:
the inner cladding is positioned on one surface of the heat-insulating layer close to the axis;
and the cloth wrapping layer is positioned between the flame-retardant layer and the fire-retardant layer.
The utility model is further configured to further include:
the bracket is positioned among the cable cores;
the limiting grooves are formed in the surface of the support at equal intervals, and are matched with the surfaces of the cable cores;
the supporting pieces are arranged in the outer covering layer at equal intervals in the circumference and used for fixing the cable cores in the limiting grooves;
wherein, the center of the bracket is provided with a through cavity.
The utility model further provides that the support comprises:
the first supporting strip is abutted against the surface of the cable core;
the second supporting strips are abutted against the inner wall of the outer cladding layer;
the supporting rods are arranged in a plurality of numbers, and the first supporting rods and the second supporting rods are arranged at equal intervals;
the support rod penetrates through the inner cladding, the heat insulation layer, the fireproof layer, the cloth wrapping layer and the flame retardant layer from inside to outside in sequence.
The utility model is further configured to further include:
the radiating strips are a plurality of radiating strips, and the peripheries of the radiating strips are arranged on the surface of the outer cladding layer at equal intervals.
The present invention is further configured such that the heat dissipation strip comprises:
the through holes are a plurality of and are arranged on the heat dissipation strips at equal intervals.
The utility model is further configured such that the heat-dissipating strip further comprises:
the arc wall, the arc wall is a plurality of, and equidistant seting up in the one side that the axle center was kept away from to the heat dissipation strip.
The utility model has the beneficial effects that:
the effect of putting out a fire is played to the naked light that takes place or the small-size naked light that the external world takes place through fire-retardant layer, prevent the naked light diffusion, lead to stretching of conflagration, cause the incident, it is concrete, burn out a plurality of gasbags in the cable when the conflagration, then nitrogen gas blowout in it, and drive the dry powder in the gap and put out the naked light, compare prior art and only pass through nitrogen gas, play better fire control effect, the dry powder can also prevent to take place the after combustion simultaneously, the safety in utilization of improvement cable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the utility model at A in FIG. 1;
FIG. 3 is a partial schematic view of the outer surface of the present invention;
in the drawings: 1. a cable core; 2. an outer cladding; 3. a flame retardant layer; 30. an air bag; 31. nitrogen gas; 32. dry powder; 4. a fire barrier layer; 5. a heat-insulating layer; 50. a shielding layer; 6. an inner cladding; 7. wrapping a cloth layer; 8. a support; 80. a limiting groove; 81. a cavity is communicated; 9. a support member; 90. a first support bar; 91. a second supporting strip; 92. a support bar; 10. heat dissipation silicone grease; 11. a heat dissipating strip; 12. a through hole; 13. an arc-shaped slot; 14. a metal sleeve.
Detailed Description
The utility model is further described in the following with reference to fig. 1 to 3 in a specific embodiment:
example 1:
this embodiment provides a high temperature resistant fire prevention flame retarded cable, including a plurality of cable core 1 and surrounding layer 2, including surrounding layer 2 wraps up a plurality of cable core 1, still includes:
the flame-retardant layer 3 is positioned on one side, close to the plurality of cable cores 1, of the outer cladding layer 2;
wherein the flame retardant layer 3 comprises:
the number of the air bags 30 is several, nitrogen 31 is filled in the air bags 30, and the air bags are arranged in the outer cladding layer 2 at equal intervals;
and the dry powder 32, wherein the dry powder 32 is filled in the gaps of the flame-retardant layer 3.
This embodiment can see out, the small-size naked light that takes place or the external world through fire-retardant layer 3 to the naked light that cable self takes place plays the effect of putting out a fire, prevent the naked light diffusion, lead to stretching of conflagration, cause the incident, it is concrete, a plurality of gasbags 30 in the cable are burnt out when the conflagration, then nitrogen gas 31 blowout in it, and drive dry powder 32 in the gap and put out the naked light, compare prior art and only pass through nitrogen gas 31, play better fire extinguishing effect, dry powder 32 can also prevent to take place the after combustion simultaneously, the safety in utilization of cable is improved.
Example 2:
in this embodiment, in addition to the structural features of embodiment 1, the present invention further includes:
the fire-retardant layer 4 is positioned on one side, close to the axis, of the fire-retardant layer 3;
wherein, the fireproof layer 4 is formed by winding a plurality of layers of fireproof mica tapes.
According to the embodiment, the cable core 1 in the cable is prevented from being damaged due to the small-sized open fire outside the cable by arranging the fireproof layer 4, the influence of the external fire on the inside of the cable is effectively isolated, and the use safety of the cable is improved.
Example 3:
in this embodiment, in addition to the structural features of embodiment 2, the method further includes:
the heat insulation layer 5 is positioned on one surface, close to the axis, of the fire-proof layer 4;
the shielding layer 50 is embedded in the heat insulation layer 5;
wherein, the shielding layer 50 is a wire mesh, and the insulating layer 5 is made of insulating foam.
This embodiment can be seen from, through setting up heat preservation 5, avoid the cable outside to cause the influence or damage to a plurality of cable cores 1 of cable because of the high temperature of the conflagration production that small-size naked light caused, weaken the heat-conduction inside and outside the cable, weaken the influence or the damage that outside conflagration caused the cable, shielding layer 50 avoids the cable to receive outside electromagnetic influence when using simultaneously, transmission efficiency when guaranteeing the cable and using, and shielding layer 50 adopts wire mesh, can strengthen the tensile strength of cable to a certain extent.
Example 4:
in this embodiment, in addition to the structural features of embodiment 1, the present invention further includes:
the inner cladding 6 is positioned on one surface of the heat-insulating layer 5 close to the axis;
the cloth wrapping layer 7 is positioned between the flame-retardant layer 3 and the fire-retardant layer 4;
wherein, heat dissipation silicone grease 10 is smeared in the gap inside the inner cladding 6.
This embodiment can be seen from, through inner cladding 6, improves the installation stability of the inside a plurality of cable cores 1 of cable, and infantees layer 7 plays the effect of injecing to the structure of flame retardant coating 4 for flame retardant coating 4 is more stable, improves the practical function of cable.
Example 5:
in this embodiment, in addition to the structural features of embodiment 4, the method further includes:
the support 8 is positioned among the cable cores 1;
the number of the limiting grooves 80 is several, the circumference of the limiting grooves 80 is arranged on the surface of the support 8 at equal intervals, and the limiting grooves are matched with the surface of the cable core 1;
the supporting pieces 9 are arranged in the outer cladding 2 at equal intervals on the circumference, and are used for fixing the cable cores 1 in the limiting grooves 80;
wherein, the center of the support 8 is provided with a through cavity 81, and the support 8 is preferably made of rubber and also made of other elastic materials.
This embodiment can be seen from, through support 8, and set up spacing groove 80 on support 8, further improve a plurality of cable core 1 at the inside installation stability of cable, prevent to influence the performance of cable, make a plurality of cable core 1 steadily install in spacing groove 80 through support piece 9 simultaneously, prevent a plurality of cable core 1 dislocation, take place winding phenomenon, improve the inside stability of cable.
Example 6:
in this embodiment, in addition to the structural features of embodiment 5, further, the supporting member 9 includes:
the first supporting strips 90 are abutted against the surface of the cable core 1;
the second supporting strips 91 are abutted against the inner wall of the outer cladding layer 2;
a plurality of support bars 92, wherein the support bars 92 are arranged between the first support bars 90 and the second support bars 91 at equal intervals;
wherein, bracing piece 92 runs through inner cladding 6, heat preservation 5, flame retardant coating 4, infantees layer 7 and fire-retardant layer 3 from inside to outside in proper order, first support strip 90, second support strip 91 and bracing piece 92 adopt to have elastic material like rubber etc. and bracing piece 92 surface cover is established and is had metal sleeve 14 for improve the structural strength that each layer was run through the department by bracing piece 92.
This embodiment can be seen from, support through first support strip 90 and cable core 1 and offset, and second support strip 91 offsets with the inner wall of surrounding layer 2, support through bracing piece 92 in the middle of again, make the installation of cable core 1 in the cable more stable, simultaneously to inner covering layer 6, heat preservation 5, flame retardant coating 4, certain stable effect can all be played on wrapping layer 7 and fire-retardant layer 3, prevent that each layer from receiving the torsional force and taking place the phenomenon of misplacing each other, further improve the inside stable in structure effect of cable.
Example 7:
in this embodiment, in addition to the structural features of embodiment 1, the present invention further includes:
the radiating strips 11 are a plurality of radiating strips 11, and the peripheries of the radiating strips 11 are arranged on the surface of the outer cladding 2 at equal intervals.
According to the embodiment, the heat dissipation strip 11 is arranged on the surface of the outer cladding 2, the overall heat dissipation effect of the cable is improved, the heat dissipation strip 11 protrudes out of the outer cladding 2, better abrasion resistance is provided for the cable, and the service life of the cable is prolonged.
Example 8:
in this embodiment, in addition to the structural features of embodiment 7, further, the heat dissipation bar 11 includes:
the through holes 12 are formed in the heat dissipation strip 11, and the through holes 12 are a plurality of and are arranged at equal intervals.
According to the embodiment, the plurality of through holes 12 are formed in the heat dissipation strip 11, so that air circulation is increased, when accumulated water exists on one surface of the cable contacted with the ground due to the arrangement of the through holes 12, the accumulated water easily flows out of the through holes 12, the accumulated water is prevented from being accumulated or being dispersed too slowly between the bottom surface of the cable and the ground for a long time, the corrosion to the cable outer cladding layer 2 is avoided, and the service life of the cable is prolonged.
Example 9:
in this embodiment, in addition to the structural features of embodiment 8, further, the heat dissipation strip 11 further includes:
the arc wall 13, the arc wall 13 is a plurality of, and equidistant seting up in the one side that the axle center was kept away from to the heat dissipation strip 11.
According to the embodiment, the arc-shaped grooves 13 are formed in the heat dissipation strips 11, so that accumulated water is further accelerated to be dissipated in a flowing manner, the hands of an installer are more convenient to hold, the installation convenience is improved, and meanwhile, the heat dissipation strip is more attractive.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the utility model is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (9)
1. The utility model provides a high temperature resistant fire prevention flame retarded cable, includes a plurality of cable core (1) and surrounding layer (2), including surrounding layer (2) wraps up a plurality of cable core (1), characterized by still includes:
the flame-retardant layer (3) is positioned on one side, close to the plurality of cable cores (1), of the outer cladding layer (2);
wherein the flame retardant layer (3) comprises:
the number of the air bags (30) is several, nitrogen (31) is filled in the air bags (30), and the air bags are arranged in the outer cladding (2) at equal intervals;
and the dry powder (32), wherein the dry powder (32) is filled in the gap of the flame-retardant layer (3).
2. The high temperature resistant, fire resistant and flame retardant cable of claim 1, further comprising:
the fire-retardant layer (4), the said fire-retardant layer (4) locates at one side close to axle center of the fire-retardant layer (3);
wherein, the fireproof layer (4) is formed by winding a plurality of layers of fireproof mica tapes.
3. The high temperature resistant, fire resistant and flame retardant cable of claim 2, further comprising:
the heat insulation layer (5), the heat insulation layer (5) is positioned on one surface of the fire-proof layer (4) close to the axis;
the shielding layer (50), the shielding layer (50) is embedded in the heat-insulating layer (5);
wherein the shielding layer (50) is a wire mesh.
4. The high temperature resistant, fire resistant and flame retardant cable of claim 1, further comprising:
the inner cladding (6) is positioned on one surface, close to the axis, of the heat-insulating layer (5);
and the cloth wrapping layer (7) is positioned between the flame-retardant layer (3) and the fire-retardant layer (4).
5. The high temperature resistant, fire resistant and flame retardant cable of claim 4, further comprising:
the support (8), the support (8) is located in the middle of the cable cores (1);
the limiting grooves (80) are formed in the surface of the support (8), the circumference of each limiting groove (80) is arranged at equal intervals, and the limiting grooves are matched with the surface of the cable core (1);
the supporting pieces (9) are provided, the number of the supporting pieces (9) is equal to that of the supporting pieces, the circumference of the supporting pieces is arranged in the outer cladding layer (2) at equal intervals, and the supporting pieces are used for fixing the cable cores (1) in the limiting grooves (80);
wherein, the center of the bracket (8) is provided with a through cavity (81).
6. A high temperature resistant, fire resistant and flame retardant cable as claimed in claim 5, wherein said support member (9) comprises:
a first supporting strip (90), wherein the first supporting strip (90) is abutted against the surface of the cable core (1);
the second supporting strip (91), the said second supporting strip (91) is supported against the inner wall of the outer cladding (2);
the number of the supporting rods (92) is several, and the supporting rods (92) are arranged between the first supporting strips (90) and the second supporting strips (91) at equal intervals;
wherein, the support rod (92) sequentially penetrates through the inner cladding (6), the heat preservation layer (5), the fireproof layer (4), the cloth covering layer (7) and the flame retardant layer (3) from inside to outside.
7. The high temperature resistant, fire resistant and flame retardant cable of claim 1, further comprising:
the radiating strips (11) are a plurality of radiating strips, and the peripheries of the radiating strips are arranged on the surface of the outer cladding (2) at equal intervals.
8. The high temperature resistant, fire resistant and flame retardant cable of claim 7 wherein the heat dissipating strip (11) comprises:
the through holes (12), the through holes (12) are a plurality of, and the equidistant seting up is on heat dissipation strip (11).
9. The high temperature resistant, fire resistant and flame retardant cable of claim 8 wherein the heat dissipating strip (11) further comprises:
arc wall (13), arc wall (13) are a plurality of, and equidistant division is established in heat dissipation strip (11) one side of keeping away from the axle center.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122642261.1U CN215933257U (en) | 2021-10-29 | 2021-10-29 | High-temperature-resistant fireproof flame-retardant cable |
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CN202122642261.1U CN215933257U (en) | 2021-10-29 | 2021-10-29 | High-temperature-resistant fireproof flame-retardant cable |
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CN215933257U true CN215933257U (en) | 2022-03-01 |
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CN202122642261.1U Expired - Fee Related CN215933257U (en) | 2021-10-29 | 2021-10-29 | High-temperature-resistant fireproof flame-retardant cable |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115691892A (en) * | 2022-11-07 | 2023-02-03 | 浙江立洲线缆股份有限公司 | Fireproof flame-retardant cable and preparation method thereof |
CN115831451A (en) * | 2023-02-15 | 2023-03-21 | 东方交联电力电缆有限公司 | Corona-resistant photovoltaic power cable |
CN116092740A (en) * | 2023-04-11 | 2023-05-09 | 山西金广丰线缆有限公司 | Cable with fire extinguishing function |
-
2021
- 2021-10-29 CN CN202122642261.1U patent/CN215933257U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115691892A (en) * | 2022-11-07 | 2023-02-03 | 浙江立洲线缆股份有限公司 | Fireproof flame-retardant cable and preparation method thereof |
CN115831451A (en) * | 2023-02-15 | 2023-03-21 | 东方交联电力电缆有限公司 | Corona-resistant photovoltaic power cable |
CN116092740A (en) * | 2023-04-11 | 2023-05-09 | 山西金广丰线缆有限公司 | Cable with fire extinguishing function |
CN116092740B (en) * | 2023-04-11 | 2023-06-20 | 山西金广丰线缆有限公司 | Cable with fire extinguishing function |
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