CN220895236U - High fire-resistant insulating fireproof cable - Google Patents
High fire-resistant insulating fireproof cable Download PDFInfo
- Publication number
- CN220895236U CN220895236U CN202322270194.4U CN202322270194U CN220895236U CN 220895236 U CN220895236 U CN 220895236U CN 202322270194 U CN202322270194 U CN 202322270194U CN 220895236 U CN220895236 U CN 220895236U
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- insulating
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- cable body
- fire
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- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 26
- 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 abstract description 10
- 230000000903 blocking effect Effects 0.000 claims abstract description 10
- 239000003063 flame retardant Substances 0.000 claims abstract description 10
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 15
- 239000011707 mineral Substances 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 230000004888 barrier function Effects 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- 229920006231 aramid fiber Polymers 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 239000012796 inorganic flame retardant Substances 0.000 claims description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000010445 mica Substances 0.000 description 5
- 229910052618 mica group Inorganic materials 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Insulated Conductors (AREA)
Abstract
The utility model relates to the technical field of cables and discloses a high-fire-resistance type insulating fireproof cable which comprises a cable body, wherein a structural component is arranged inside the cable body and comprises a flame-retardant sheath arranged on the outer side of the cable body, a waterproof layer is fixedly arranged on the inner side of the flame-retardant sheath, a blocking layer is arranged on the inner side of the waterproof layer, a metal sleeve is arranged on the inner side of the blocking layer, a first insulating layer is arranged on the inner side of the metal sleeve, a filling layer is arranged on the inner side of the first insulating layer, and a cable core is arranged inside the filling layer. This high fire-resistant type insulating fireproof cable through setting up the fire resistance and the insulating properties that structural component can greatly increase cable body, simultaneously, under high temperature environment, can guarantee that cable body can normal use, guarantees cable body after using for a long time simultaneously, and its fire resistance and insulating properties can obtain abundant assurance, have increased cable body's life.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a high-fire-resistance insulating fireproof cable.
Background
With the development of social economy and the continuous perfection of national fire control monitoring systems and the continuous release of fire safety laws and regulations, the industries of construction, traffic, communication, power supply and the like in China are more and more favored for mineral insulation fireproof cables, and the mineral insulation fireproof cables are prepared by reasonably selecting structural materials by utilizing the characteristics of high temperature resistance, radiation resistance, corrosion resistance, high mechanical strength and the like of a mineral insulation all-inorganic material structure, and can not only operate in a fire environment, but also operate for a long time in a severe environment where conventional organic insulation cables such as high temperature, high voltage and strong corrosion cannot be used.
The existing insulating fireproof cable generally adopts a mica tape for insulating fireproof, although the insulating performance is better, after long-time use, the mica tape can be embrittled due to high temperature, but when the cable is impacted by the outside, the mica tape is likely to be powdered to generate gaps, so that the insulating performance and the fire resistance of the cable are greatly affected, accidents such as electric leakage or breakdown of the cable can be caused, and the service life of the insulating fireproof cable is reduced.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the high-fire-resistance type insulating fireproof cable which has the advantages of prolonging the service life of the insulating fireproof cable and the like, and solves the problems that the conventional insulating fireproof cable generally adopts a mica tape for insulating fireproof, but the insulating performance and fire resistance of the cable are possibly greatly influenced after long-time use, and the service life of the insulating fireproof cable is reduced.
(II) technical scheme
In order to achieve the purpose of prolonging the service life of the insulated fireproof cable, the utility model provides the following technical scheme: the utility model provides a high fire-resistant type insulating fireproof cable, includes the cable body, the inside of cable body is provided with structural component.
The structure assembly comprises a flame-retardant sheath arranged on the outer side of a cable body, a waterproof layer is fixedly arranged on the inner side of the flame-retardant sheath, a blocking layer is arranged on the inner side of the waterproof layer, a metal sleeve is arranged on the inner side of the blocking layer, a first insulating layer is arranged on the inner side of the metal sleeve, a filling layer is arranged on the inner side of the first insulating layer, and a cable core is arranged in the filling layer.
Further, the barrier layer comprises a fire blocking layer fixedly arranged on the inner side of the waterproof layer, a surrounding layer is fixedly arranged on the inner side of the fire blocking layer, and the inner side of the surrounding layer is fixedly connected with the outer side of the metal sleeve.
Further, the first insulating layer comprises an insulating reinforcing layer fixedly mounted on the inner side of the metal sleeve, a mineral insulating layer is fixedly mounted on the inner side of the insulating reinforcing layer, and the filling layer is filled in the mineral insulating layer.
Further, the cable core comprises a second insulating layer fixedly arranged in the filling layer, an insulating core is fixedly arranged on the inner side of the second insulating layer, and a plurality of wires which are uniformly distributed are fixedly arranged in the insulating core.
Furthermore, the waterproof layer is formed by adding a layer of expansion water-blocking powder between two layers of non-woven fabrics, and the filling layer is made of inorganic flame-retardant ropes.
Further, the fire-blocking layer is a metal net formed by transverse and longitudinal interweaving, and the surrounding layer is made of aramid fibers.
Further, the material of the insulating reinforcing layer is EVA-based composite material, and the material of the mineral insulating layer is glass cloth.
(III) beneficial effects
Compared with the prior art, the utility model provides the high-fire-resistance insulating fireproof cable, which has the following beneficial effects:
This high fire-resistant insulating fireproof cable through setting up fire resistance and insulating properties that structural component can be very big increase cable body, simultaneously, under high temperature environment, can guarantee that cable body can normal use, guarantee cable body simultaneously and after using for a long time, its fire resistance and insulating properties can obtain abundant assurance, the life of cable body has been increased, current insulating fireproof cable has been solved and has generally simply adopted mica tape to carry out insulating fire prevention, but after using for a long time, can lead to insulating properties and fire resistance of cable to receive great influence, insulating fireproof cable life's problem has been reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of a cable core in the construction of the present utility model;
FIG. 3 is an enlarged view of the fire barrier in the structure of the present utility model;
fig. 4 is an enlarged view of the first insulating layer in the structure of the present utility model.
In the figure: 1. a cable body; 2. a structural component; 201. a flame retardant sheath; 202. a waterproof layer; 203. a barrier layer; 2031. a fire barrier; 2032. a surrounding layer; 204. a metal sleeve; 205. a first insulating layer; 2051. an insulating reinforcing layer; 2052. a mineral insulating layer; 206. a filling layer; 207. a cable core; 2071. a second insulating layer; 2072. an insulating core; 2073. and (5) conducting wires.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a high fire-resistant insulated fireproof cable in this embodiment includes a cable body 1, and a structural component 2 is disposed inside the cable body 1.
In this embodiment, the structural component 2 is a component that increases the insulation and fire resistance of the cable body 1.
As shown in fig. 1, 2, 3 and 4, the structural component 2 includes a flame retardant sheath 201 disposed on the outer side of the cable body 1, a waterproof layer 202 is fixedly disposed on the inner side of the flame retardant sheath 201, a barrier layer 203 is disposed on the inner side of the waterproof layer 202, a metal sleeve 204 is disposed on the inner side of the barrier layer 203, a first insulating layer 205 is disposed on the inner side of the metal sleeve 204, a filling layer 206 is disposed on the inner side of the first insulating layer 205, and a cable core 207 is disposed inside the filling layer 206.
The waterproof layer 202 is formed by adding a layer of expansion water-blocking powder between two layers of non-woven fabrics, and is mainly characterized by strong water absorption and high expansion rate, and can absorb water strongly and expand rapidly to form gel substances to block water seepage channels, so that the waterproof and insulating properties of the cable body 1 are improved, and the waterproof and insulating properties of the cable body 1 can be improved through the waterproof layer 202.
In addition, the material of the filling layer 206 is an inorganic flame retardant rope, and the inorganic flame retardant rope has better high temperature resistance, so that the flame retardant property of the cable body 1 is further improved, moisture can be prevented from entering the inside of the cable body through the metal sleeve 204, and meanwhile, the strength of the cable body 1 is also improved, and the cable body 1 is prevented from being damaged under the condition of being subjected to pressure.
It should be noted that, the barrier layer 203 includes a fire barrier layer 2031 fixedly installed on the inner side of the waterproof layer 202, a surrounding layer 2032 is fixedly installed on the inner side of the fire barrier layer 2031, and the inner side of the surrounding layer 2032 is fixedly connected with the outer side of the metal sleeve 204.
The fire-blocking layer 2031 is a metal mesh formed by interweaving transversely and longitudinally, the strength of the cable body 1 can be further increased through the metal mesh, meanwhile, the metal mesh has certain conductive performance, static electricity can be guided and shielded through the metal mesh and the metal sleeve 204, the surrounding layer 2032 is made of aramid fiber, and the aramid fiber has excellent performances of ultrahigh strength, high modulus, high temperature resistance, acid and alkali resistance, light weight and the like, and the strength and the fireproof performance of the cable body 1 are further increased through the surrounding layer 2032.
The first insulating layer 205 includes an insulating reinforcing layer 2051 fixedly attached to the inside of the metal jacket 204, a mineral insulating layer 2052 is fixedly attached to the inside of the insulating reinforcing layer 2051, and the filler layer 206 is filled in the inside of the mineral insulating layer 2052.
The material of the insulating reinforcing layer 2051 is an EVA-based composite material, the EVA-based composite material has better flexibility and water-blocking performance at normal temperature, and when a fire disaster or an overhigh temperature occurs, the EVA-based composite material can form a ceramic body, the ceramic body can block the temperature, the fire disaster or the high temperature can be protected as much as possible to damage the internal structure of the cable body 1, the fire resistance of the cable body 1 is greatly enhanced through the insulating reinforcing layer 2051, the cable body 1 can be normally used under the high temperature condition, the mineral insulating layer 2052 is made of glass cloth, and the glass cloth is a fabric woven by glass fibers, has the performances of insulation, heat insulation, corrosion resistance, non-burning, high temperature resistance, high strength and the like, and the fire resistance and the insulating performance of the cable body 1 are further enhanced through the mineral insulating layer 2052.
The cable core 207 includes a second insulating layer 2071 fixedly installed inside the filling layer 206, an insulating core 2072 is fixedly installed inside the second insulating layer 2071, and a plurality of wires 2073 are fixedly installed inside the insulating core 2072.
Wherein the insulation effect of the outer side of the insulating core 2072 can be ensured by the second insulating layer 2071, the insulation performance of the cable core 207 is further increased by the insulating core 2072, and the electric energy can be normally transmitted through the wire 2073.
In addition, the number of the cable cores 207 is four, and the cable cores 207 are uniformly distributed in the filling layer 206, so that the service performance of the cable body 1 can be ensured by the four cable cores 207.
The working principle of the embodiment is as follows:
This high fire-resistant insulating fireproof cable can increase the waterproof and insulating properties of cable body 1 through waterproof layer 202, the fire resistance of cable body 1 has further been increased through filling layer 206, the intensity of cable body 1 has been increased through metal sheath 204, prevent that cable body 1 from producing the circumstances of damage under the circumstances that receives the pressure, can lead and shield static through metal mesh and metal sheath 204, the intensity and the fire resistance of cable body 1 have further been increased through encircling layer 2032, the fire resistance of cable body 1 has been greatly strengthened through insulating enhancement layer 2051, guarantee that cable body 1 can normally use under the high temperature condition, the fire resistance and the insulating properties of cable body 1 have further been strengthened through mineral insulating layer 2052, the performance of cable body 1 and its insulating fire resistance can be guaranteed through four cable cores 207.
The electrical components appearing herein are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device for controlling a computer and the like, and the prior art of power connection is not described in detail herein.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a high fire-resistant insulating fireproof cable, includes cable body (1), its characterized in that: a structural component (2) is arranged in the cable body (1);
The structure assembly (2) comprises a flame-retardant sheath (201) arranged on the outer side of a cable body (1), a waterproof layer (202) is fixedly arranged on the inner side of the flame-retardant sheath (201), a blocking layer (203) is arranged on the inner side of the waterproof layer (202), a metal sleeve (204) is arranged on the inner side of the blocking layer (203), a first insulating layer (205) is arranged on the inner side of the metal sleeve (204), a filling layer (206) is arranged on the inner side of the first insulating layer (205), and a cable core (207) is arranged in the filling layer (206).
2. The high fire resistant insulated fireproof cable according to claim 1, characterized in that: the barrier layer (203) comprises a fire blocking layer (2031) fixedly arranged on the inner side of the waterproof layer (202), a surrounding layer (2032) is fixedly arranged on the inner side of the fire blocking layer (2031), and the inner side of the surrounding layer (2032) is fixedly connected with the outer side of the metal sleeve (204).
3. The high fire resistant insulated fireproof cable according to claim 1, characterized in that: the first insulating layer (205) comprises an insulating reinforcing layer (2051) fixedly installed on the inner side of the metal sleeve (204), a mineral insulating layer (2052) is fixedly installed on the inner side of the insulating reinforcing layer (2051), and the filling layer (206) is filled in the mineral insulating layer (2052).
4. The high fire resistant insulated fireproof cable according to claim 1, characterized in that: the cable core (207) comprises a second insulating layer (2071) fixedly arranged in the filling layer (206), an insulating core (2072) is fixedly arranged on the inner side of the second insulating layer (2071), and a plurality of uniformly distributed wires (2073) are fixedly arranged in the insulating core (2072).
5. The high fire resistant insulated fireproof cable according to claim 1, characterized in that: the waterproof layer (202) is formed by adding a layer of expansion water-blocking powder between two layers of non-woven fabrics, and the filling layer (206) is made of inorganic flame-retardant ropes.
6. A high fire resistant insulated fire resistant electrical power cable according to claim 2, wherein: the fire-blocking layer (2031) is a metal net formed by transversely and longitudinally interweaving, and the surrounding layer (2032) is made of aramid fibers.
7. A high fire resistant insulated fire protection cable according to claim 3, wherein: the insulating reinforcing layer (2051) is made of EVA-based composite material, and the mineral insulating layer (2052) is made of glass cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322270194.4U CN220895236U (en) | 2023-08-23 | 2023-08-23 | High fire-resistant insulating fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322270194.4U CN220895236U (en) | 2023-08-23 | 2023-08-23 | High fire-resistant insulating fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220895236U true CN220895236U (en) | 2024-05-03 |
Family
ID=90837754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322270194.4U Active CN220895236U (en) | 2023-08-23 | 2023-08-23 | High fire-resistant insulating fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220895236U (en) |
-
2023
- 2023-08-23 CN CN202322270194.4U patent/CN220895236U/en active Active
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