CN220420320U - Fire-resistant heat-insulating low-voltage cable - Google Patents
Fire-resistant heat-insulating low-voltage cable Download PDFInfo
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- CN220420320U CN220420320U CN202322108560.6U CN202322108560U CN220420320U CN 220420320 U CN220420320 U CN 220420320U CN 202322108560 U CN202322108560 U CN 202322108560U CN 220420320 U CN220420320 U CN 220420320U
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- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 239000003063 flame retardant Substances 0.000 claims description 9
- 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 7
- 239000000463 material Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000009792 diffusion process Methods 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of cables and discloses a fire-resistant heat-insulating low-voltage cable, which comprises a cable core, wherein the outer walls of the cable core are fixedly connected with insulating layers, the outer walls of the insulating layers are fixedly connected with shielding layers, the outer walls of the shielding layers are fixedly connected with first heat-insulating layers, the outer walls of the first heat-insulating layers are fixedly connected with armor layers, the outer walls of the armor layers are fixedly connected with high-temperature-resistant layers, the outer walls of the high-temperature-resistant layers are fixedly connected with compression layers, the outer walls of the compression layers are fixedly connected with reinforcing layers, the inner walls of the reinforcing layers are fixedly connected with a plurality of reinforcing ribs, and the outer walls of the reinforcing layers are fixedly connected with second heat-insulating layers. According to the utility model, the first heat insulation layer and the second heat insulation layer can reduce heat transmission and diffusion, prevent heat conduction, and the high temperature resistance layer can improve the high temperature resistance and safety of the low-voltage cable in a high temperature environment, so that the effects of improving fire safety and protecting personnel and property safety are realized.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a fire-resistant heat-insulating low-voltage cable.
Background
A low voltage cable is a cable for low voltage applications such as power transmission, lighting, communication and control, and is generally defined as a cable rated at a voltage below 1000V, and is widely used in residential, commercial, industrial and public fields for power distribution, lighting systems, communication equipment connection, automation and control systems, etc. inside buildings.
The existing low-voltage cable is imperfect in fire-resistant and heat-insulating performance, once a fire disaster occurs due to electricity safety, the fire disaster can spread, power is interrupted, the fire disaster diffusion speed is accelerated, and the like, so that the fire disaster safety and the safety of personnel and property are reduced.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a fire-resistant heat-insulating low-voltage cable.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a fire-resistant thermal-insulated low tension cable, includes the cable core, the equal fixedly connected with insulating layer of outer wall of cable core, the equal fixedly connected with shielding layer of outer wall of insulating layer, the first insulating layer of outer wall fixedly connected with of shielding layer, the outer wall fixedly connected with armor of first insulating layer, the outer wall fixedly connected with high temperature resistant layer of armor, the outer wall fixedly connected with compressive layer of high temperature resistant layer, the outer wall fixedly connected with enhancement layer of compressive layer, the equal fixedly connected with strengthening rib of inner wall of enhancement layer, the outer wall fixedly connected with second insulating layer of enhancement layer, the outer wall fixedly connected with flame retardant coating of second insulating layer.
As a further description of the above technical solution:
the armor layer is made of polyvinyl chloride.
As a further description of the above technical solution:
the high temperature resistant layer is made of polyphenylene sulfide.
As a further description of the above technical solution:
the fireproof layer is made of flame-retardant polyolefin.
As a further description of the above technical solution:
the first heat insulation layer and the second heat insulation layer are made of polyethylene.
As a further description of the above technical solution:
the reinforcing ribs are uniformly arranged in the reinforcing layer.
As a further description of the above technical solution:
the cores are separated by an insulating layer.
As a further description of the above technical solution:
the diameter of the second heat insulation layer is larger than that of the first heat insulation layer.
The utility model has the following beneficial effects:
according to the utility model, firstly, the fire resistance of the low-voltage cable can be improved through the fire-proof layer, the smoke control and the fire spreading delay function, the heat transmission and diffusion of the low-voltage cable can be reduced through the first heat-insulating layer and the second heat-insulating layer, the heat conduction is prevented, the strength of the low-voltage cable can be improved through the reinforcing layer, the influence of external physical pressure on the low-voltage cable can be reduced through the compression-resistant layer, the compression resistance of the low-voltage cable is improved, secondly, the mechanical strength of higher strength and the capability of resisting external physical damage can be provided for the low-voltage cable through the armor layer, the tensile property of the low-voltage cable is improved, the low-voltage cable can adapt to harsher environmental conditions, meanwhile, the high-temperature resistance layer and the first heat-insulating layer can work cooperatively, the high-temperature resistance of the low-voltage cable under high-temperature environment can be improved, the fire disaster caused by the electric safety is avoided, the situation that the surrounding environment and personnel safety are formed is avoided, the fire safety is improved, the effect of improving the fire safety and the property safety threat is realized, the shielding layer can be improved, the quality of the low-voltage cable can be improved, the transmission quality of the low-voltage cable can be ensured, the low-voltage cable can be prevented from being deformed, the low-voltage cable can be caused by the low-voltage cable is prolonged, the safety, the low-voltage cable can be caused by the low-voltage cable, and the low-voltage cable can be deformed, and the safety, and the effect can be prolonged, and the low-voltage cable can be caused by the safety, and the low-voltage cable can be caused by the safety.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a fire-resistant heat-insulating low-voltage cable according to the present utility model;
FIG. 2 is a schematic view of an insulation layer of a fire-resistant insulated low-voltage cable according to the present utility model;
fig. 3 is a schematic view of a shielding layer of a fire-resistant heat-insulating low-voltage cable according to the present utility model.
Legend description:
1. a cable core; 2. an insulating layer; 3. a shielding layer; 4. a first insulating layer; 5. an armor layer; 6. a high temperature resistant layer; 7. a compression-resistant layer; 8. a reinforcing layer; 9. a second insulating layer; 10. a fire-blocking layer; 11. reinforcing ribs.
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.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides a fire-resistant thermal-insulated low voltage cable, including cable core 1, the equal fixedly connected with insulating layer 2 of outer wall of cable core 1, the equal fixedly connected with shielding layer 3 of outer wall of insulating layer 2, can improve low voltage cable's signal transmission quality through shielding layer 3, ensure data's safety and stability, the outer wall fixedly connected with first insulating layer 4 of shielding layer 3, the outer wall fixedly connected with armor 5 of first insulating layer 4, the outer wall fixedly connected with high temperature resistant layer 6 of armor 5, the outer wall fixedly connected with compressive layer 7 of high temperature resistant layer 6, compressive layer 7 can reduce the influence of outside physical pressure to low voltage cable, improve low voltage cable's compressive property, the outer wall fixedly connected with enhancement layer 8 of compressive layer 7, the equal fixedly connected with strengthening rib 11 of inner wall of enhancement layer 8, through enhancement layer 8, strengthening rib 11 can improve low voltage cable's intensity, avoid in-process at the use, the outer wall fixedly connected with second insulating layer 9 of enhancement layer is received the extrusion and is led to warp, the outer wall fixedly connected with flame retardant coating 10 of second insulating layer 9.
The material of armor 5 sets up to polyvinyl chloride, can provide the mechanical strength of higher intensity and the ability of resisting outside physical damage for low-voltage cable, improve low-voltage cable's tensile properties, high temperature resistant layer 6's material sets up to polyphenylene sulfide, can improve low-voltage cable's high temperature resistant performance and security under high temperature environment, flame retardant polyolefin for the material of flame retardant coating 10, can play fire-retardant, smog control and delay the effect that the intensity of a fire spread, improve low-voltage cable's fire resistance, first insulating layer 4 and second insulating layer 9's material sets up to polyethylene, can reduce transmission and the diffusion of heat, prevent the conduction of heat, reinforcing rib 11 evenly arranges in the inside of enhancement layer 8, reinforcing rib 11 can increase the intensity of enhancement layer 8, cable core 1 is separated by insulating layer 2, can improve the insulating effect of low-voltage cable through insulating layer 2, the diameter of second insulating layer 9 is greater than the diameter of first insulating layer 4.
Working principle: firstly, can play fire-retardant, smog control and delay the effect that the intensity of a fire spread through flame retardant coating 10, improve the fire resistance of low-voltage cable, and the first insulating layer 4 that sets up and second insulating layer 9 can reduce thermal transmission and diffusion, prevent thermal conduction, enhancement layer 8 can improve the intensity of low-voltage cable, can reduce the influence of outside physical pressure to low-voltage cable through compressive layer 7, improve the compressive property of low-voltage cable, secondly, can provide the mechanical strength of higher intensity and the ability of resisting outside physical damage for low-voltage cable through armor layer 5, improve the tensile properties of low-voltage cable, make low-voltage cable can adapt to harsher environmental condition, simultaneously, high temperature resistant layer 6 and first insulating layer 4 can work in coordination, high temperature resistant layer 6 can improve the high temperature resistance and the security of low-voltage cable under high temperature environment, the fire is avoided producing because of the electrical safety, lead to the expansion, and the circumstances of threat to surrounding environment and personnel's safety constitution, realize improving the compressive property and security, can provide the mechanical strength of higher intensity and resistance to low-voltage cable through armor layer 5, make the low-voltage cable can adapt to harassment environmental condition, thereby, the effect that the low-voltage cable can take place at the low-voltage cable is improved, the low-voltage cable is avoided, the low-voltage cable is guaranteed through compressive quality, the low-voltage cable is effectively, the low-voltage cable is guaranteed, the low voltage cable is 11, and the life is effectively prolonged, and can be influenced by the low-voltage cable, and is avoided, the high voltage cable, and is high-voltage cable, and 11.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. Fire-resistant thermal-insulated low tension cable, including cable core (1), its characterized in that: the cable core is characterized in that the outer wall of the cable core (1) is fixedly connected with the insulating layer (2), the shielding layer (3) is fixedly connected with the outer wall of the insulating layer (2), the first insulating layer (4) is fixedly connected with the outer wall of the shielding layer (3), the first insulating layer (4) is fixedly connected with the armor layer (5), the high-temperature resistant layer (6) is fixedly connected with the outer wall of the armor layer (5), the compression resistant layer (7) is fixedly connected with the outer wall of the compression resistant layer (6), the reinforcing layer (8) is fixedly connected with the outer wall of the compression resistant layer (7), the reinforcing ribs (11) are fixedly connected with the inner wall of the reinforcing layer (8), the second insulating layer (9) is fixedly connected with the outer wall of the second insulating layer (9), and the fire-proof layer (10) is fixedly connected with the outer wall of the second insulating layer (9).
2. A fire resistant insulated low voltage cable according to claim 1, wherein: the material of the armor (5) is polyvinyl chloride.
3. A fire resistant insulated low voltage cable according to claim 1, wherein: the high-temperature resistant layer (6) is made of polyphenylene sulfide.
4. A fire resistant insulated low voltage cable according to claim 1, wherein: the fireproof layer (10) is made of flame-retardant polyolefin.
5. A fire resistant insulated low voltage cable according to claim 1, wherein: the first heat insulation layer (4) and the second heat insulation layer (9) are made of polyethylene.
6. A fire resistant insulated low voltage cable according to claim 1, wherein: the reinforcing ribs (11) are uniformly arranged in the reinforcing layer (8).
7. A fire resistant insulated low voltage cable according to claim 1, wherein: the cable cores (1) are separated by an insulating layer (2).
8. A fire resistant insulated low voltage cable according to claim 1, wherein: the diameter of the second heat insulation layer (9) is larger than that of the first heat insulation layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322108560.6U CN220420320U (en) | 2023-08-07 | 2023-08-07 | Fire-resistant heat-insulating low-voltage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322108560.6U CN220420320U (en) | 2023-08-07 | 2023-08-07 | Fire-resistant heat-insulating low-voltage cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220420320U true CN220420320U (en) | 2024-01-30 |
Family
ID=89654064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322108560.6U Active CN220420320U (en) | 2023-08-07 | 2023-08-07 | Fire-resistant heat-insulating low-voltage cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220420320U (en) |
-
2023
- 2023-08-07 CN CN202322108560.6U patent/CN220420320U/en active Active
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