CN220753125U - Flame-retardant cable - Google Patents
Flame-retardant cable Download PDFInfo
- Publication number
- CN220753125U CN220753125U CN202322460540.5U CN202322460540U CN220753125U CN 220753125 U CN220753125 U CN 220753125U CN 202322460540 U CN202322460540 U CN 202322460540U CN 220753125 U CN220753125 U CN 220753125U
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- layer
- flame
- retardant
- wall
- cable
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 79
- 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 72
- 239000010410 layer Substances 0.000 claims abstract description 141
- 239000011241 protective layer Substances 0.000 claims abstract description 33
- 238000009413 insulation Methods 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 230000007797 corrosion Effects 0.000 claims description 14
- 238000005260 corrosion Methods 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 230000035939 shock Effects 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 11
- 230000009471 action Effects 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 7
- 239000004020 conductor Substances 0.000 description 6
- 238000013016 damping Methods 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 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
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model relates to the technical field of cables, and provides a flame-retardant cable which comprises a flame-retardant sleeve, a separation frame and a cable core, wherein a protection structure is arranged on the inner wall of the flame-retardant sleeve, the protection structure comprises a heat insulation layer, a protective layer and flame-retardant strips, the heat insulation layer is arranged on the inner wall of the flame-retardant sleeve, and an insulation structure is arranged on the inner wall of the protection structure. According to the utility model, the protection structure is arranged, so that the cable can not burn when meeting fire under the action of the heat insulation layer, the protection effect is realized, the fire resistance of the cable is improved, the protection layer is actually a flame-retardant layer, the protection layer has self-extinguishing property, namely, the cable is not easy to burn, or when the cable catches fire due to self or an external fire source ignites and catches fire, the cable does not burn continuously after the fire catches fire, the protection function of the device is realized, and the safety of the flame-retardant cable in use is improved.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a flame-retardant cable.
Background
The flame-retardant cable is a cable capable of being automatically extinguished within a limited combustion time, has the fundamental characteristics that the combustion is limited in a local range when a fire is taken out, the fire does not spread, other equipment is protected from larger loss, and the flame-retardant cable is used when the flame-retardant cable is used;
to this end, the publication CN218647676U discloses a flame-retardant cable comprising: the cable body consists of an outer flame-retardant layer, an inner flame-retardant layer, a corrosion-resistant layer, a conductor outer shielding layer, an oxygen-insulating layer, a conductor inner shielding layer, a high-temperature-resistant layer and an insulating layer; according to the flame-retardant cable, the cavity is formed between the outer flame-retardant layer and the inner flame-retardant layer, the flame retardant filled in the cavity can achieve the external flame-retardant effect, the ferrule sleeved outside the cable and the liquid inlet hole arranged outside the cable body, the lost flame retardant is supplemented by sealing the insertion pipe into the liquid inlet hole, the flame-retardant effect is ensured in real time, the high-temperature resistant layer and the oxygen-isolating layer are arranged outside the conductor core, the oxygen-isolating layer is divided by the plurality of isolating frames, and when a short-circuit fire occurs in the conductive core, the fire can be organized in the fastest time, and larger loss occurs;
the flame-retardant cable is damaged in the daily use process due to insufficient protective measures, so that the safety of the flame-retardant cable is poor in use.
Disclosure of Invention
First, the technical problem to be solved
The utility model aims to provide a flame-retardant cable, which is used for solving the defect of insufficient protective measures of the existing flame-retardant cable.
(II) summary of the utility model
In order to solve the technical problems, the utility model provides the following technical scheme: the flame-retardant cable comprises a flame-retardant sleeve, a separation frame and a cable core, wherein a protective structure is arranged on the inner wall of the flame-retardant sleeve, the protective structure comprises a heat insulation layer, a protective layer and flame-retardant strips, the heat insulation layer is arranged on the inner wall of the flame-retardant sleeve, an insulating structure is arranged on the inner wall of the protective structure, a reinforcing structure is arranged on the inner wall of the insulating structure, and an oxygen separation layer is arranged on the inner wall of the reinforcing structure;
the inner wall of the oxygen isolation layer is uniformly provided with an isolation frame;
wire cores are uniformly arranged on the inner wall of the separation frame.
When the flame-retardant cable is used, the protection structure is arranged, so that the flame-retardant cable has a protection function, and the safety of the flame-retardant cable in use is improved; by the arrangement of the insulation structure, the device has an insulation function, so that the service life of the flame-retardant cable is prolonged; through being provided with additional strengthening, realized that the device has the function of anti deformation to the convenience of this fire-retardant cable when using has been improved.
Preferably, the inner wall of the heat insulation layer is provided with a protective layer, and the inner walls of the protective layers are all provided with flame retardant strips. Under the effect of insulating layer for the cable can not burn when meeting the fire, thereby played the effect of protection, promoted the cable fire resistance.
Preferably, the protective layer is actually a flame-retardant layer, and the flame-retardant strips are distributed at equal intervals inside the protective layer. The protective layer is actually a flame-retardant layer, and has self-extinguishing property, namely is not easy to burn, or when the cable catches fire due to self or an external fire source ignites and catches fire, the cable does not continue burning after the fire is extinguished, so that the device has the protective function.
Preferably, the insulation structure comprises a protection layer, a first wrapping layer and a second wrapping layer, wherein the protection layer is arranged on the inner wall of the flame-retardant strip, the first wrapping layer is arranged on the inner wall of the protection layer, and the second wrapping layer is arranged on the inner wall of the first wrapping layer. The outer sides of the first wrapping layer and the second wrapping layer are connected without mechanical damage and chemical corrosion, contact with water vapor and electric shock of a contact conductor, so that the mechanical strength can be enhanced, and the service life can be prolonged.
Preferably, the protective layer is actually a corrosion-resistant layer, and the outer side wall of the protective layer is attached to the inner wall of the flame-retardant strip. The protective layer is actually a corrosion resistant layer, which has the effect of protecting the cable from erosion and high temperatures.
Preferably, the reinforcing structure comprises a first damping layer, a second damping layer and a fiber layer, wherein the first damping layer is arranged on the inner wall of the second wrapping layer, the second damping layer is arranged on the inner wall of the first damping layer, and the fiber layer is arranged on the inner wall of the second damping layer. The contact surface of first buffer layer and second buffer layer is the zigzag design, has increased the deformation resistance between first buffer layer and the second buffer layer, makes this cable be difficult for taking place deformation.
Preferably, the contact surface of the first shock absorption layer and the second shock absorption layer is in a zigzag design, and the inner side wall of the fiber layer is attached to the outer side wall of the oxygen isolation layer. The heat can be isolated from the inward transfer of heat under the effect of fibrous layer, and the fibrous layer can further block the heat and transfer to the cable core for the high temperature resistance of cable can be strong.
(III) beneficial effects
The flame-retardant cable provided by the utility model has the advantages that:
through being provided with the protection structure, under the effect of the heat insulation layer, the cable can not burn when encountering fire, thereby playing a role in protection, improving the fire resistance of the cable, and the protection layer is actually a flame-retardant layer, wherein the protection layer has self-extinguishing property, namely is not easy to burn, or when the cable catches fire due to self or an external fire source is ignited, the cable does not burn continuously after the fire is extinguished, so that the device has a protection function, and the safety of the flame-retardant cable in use is improved;
through the arrangement of the insulating structure, the protective layer is an actually corrosion-resistant layer, the protective layer has the effects of protecting the cable from corrosion and high temperature corrosion, the outer sides of the first wrapping layer and the second wrapping layer are connected without mechanical damage and chemical corrosion, and the first wrapping layer and the second wrapping layer are not contacted with water vapor to be wetted, so that electric shock of a contact conductor is prevented, the mechanical strength can be enhanced, the service life of the device is prolonged, the device has the insulating function, and the service life of the flame-retardant cable is prolonged;
through being provided with additional strengthening, the contact of first buffer layer and second buffer layer is the zigzag design, has increased the deformation resistance between first buffer layer and the second buffer layer, makes this cable be difficult for taking place deformation, can separate the heat and inwards transmit under the effect of fibrous layer, and fibrous layer can further block heat to the cable core transmission for the high temperature resistance of cable can be strong, has realized that the device has the function of anti deformation, thereby has improved the convenience of this fire-retardant cable when using.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
FIG. 4 is a schematic side view of a protective structure according to the present utility model;
fig. 5 is a schematic three-dimensional structure of an insulation structure according to the present utility model.
Reference numerals in the drawings illustrate: 1. a flame retardant sleeve; 2. a protective structure; 201. a thermal insulation layer; 202. a protective layer; 203. flame retardant strips; 3. an insulating structure; 301. a protective layer; 302. a first wrapping layer; 303. a second wrapping layer; 4. a reinforcing structure; 401. a first shock-absorbing layer; 402. a second shock-absorbing layer; 403. a fibrous layer; 5. an oxygen barrier layer; 6. a partition frame; 7. a wire core.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, 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.
Example 1
Referring to fig. 1-5, the flame-retardant cable provided by the utility model comprises a flame-retardant sleeve 1, a spacer 6 and a cable core 7, wherein a protective structure 2 is arranged on the inner wall of the flame-retardant sleeve 1, the protective structure 2 comprises a heat insulation layer 201, a protective layer 202 and flame-retardant strips 203, the heat insulation layer 201 is arranged on the inner wall of the flame-retardant sleeve 1, the protective layer 202 is arranged on the inner wall of the heat insulation layer 201, the flame-retardant strips 203 are arranged on the inner wall of the protective layer 202, the protective layer 202 is actually a flame-retardant layer, and the flame-retardant strips 203 are distributed in the protective layer 202 at equal intervals.
In this embodiment, under the effect of the insulating layer 201, the cable can not burn when encountering fire, thereby playing a role in protecting, improving the fire resistance of the cable, and the protective layer 202 is actually a flame retardant layer, so that the protective layer 202 has self-extinguishing property, i.e. is not easy to burn, or when the cable catches fire due to self-ignition or external fire source, the cable does not continue to burn after the fire is extinguished.
Example two
The embodiment further includes: the inner wall of protection architecture 2 is provided with insulation structure 3, and insulation structure 3 includes protective layer 301, first parcel layer 302 and second parcel layer 303, and protective layer 301 sets up in the inner wall of fire-retardant strip 203, and the inner wall of protective layer 301 is provided with first parcel layer 302, and the inner wall of first parcel layer 302 is provided with second parcel layer 303, and protective layer 301 is corrosion-resistant layer in fact, and the lateral wall of protective layer 301 laminates with the inner wall of fire-retardant strip 203 mutually.
In this embodiment, the protective layer 301 is actually a corrosion-resistant layer, and the protective layer 301 has the functions of protecting the cable from corrosion, high temperature and corrosion, and the outer sides of the first wrapping layer 302 and the second wrapping layer 303 are connected to each other without mechanical damage and chemical corrosion, without being in contact with water vapor to be wetted, and to prevent the contact conductor from electric shock, so that the mechanical strength can be enhanced and the service life can be prolonged.
Example III
The embodiment further includes: the inner wall of insulation structure 3 is provided with additional strengthening 4, additional strengthening 4 includes first buffer layer 401, second buffer layer 402 and fibrous layer 403, first buffer layer 401 sets up in the inner wall of second wrapping layer 303, the inner wall of first buffer layer 401 is provided with second buffer layer 402, the inner wall of second buffer layer 402 is provided with fibrous layer 403, the contact surface of first buffer layer 401 and second buffer layer 402 is the zigzag design, the inside wall of fibrous layer 403 is laminated mutually with the lateral wall of oxygen barrier 5, the inner wall of additional strengthening 4 is provided with oxygen barrier 5, the inner wall of oxygen barrier 5 evenly is provided with separates frame 6, the inner wall of separating frame 6 evenly is provided with sinle silk 7.
In this embodiment, the contact surface of the first shock-absorbing layer 401 and the second shock-absorbing layer 402 is in a zigzag design, so that deformation resistance between the first shock-absorbing layer 401 and the second shock-absorbing layer 402 is increased, the cable is not easy to deform, heat can be blocked from being transferred inwards under the action of the fiber layer 403, and the fiber layer 403 can further block heat from being transferred to the cable core, so that high-temperature resistance of the cable is high.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, 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.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (7)
1. The utility model provides a fire-retardant type cable, includes fire-retardant cover (1), separates frame (6) and sinle silk (7), its characterized in that: the flame-retardant protective structure comprises a flame-retardant sleeve (1), wherein a protective structure (2) is arranged on the inner wall of the flame-retardant sleeve (1), the protective structure (2) comprises a heat insulation layer (201), a protective layer (202) and flame-retardant strips (203), the heat insulation layer (201) is arranged on the inner wall of the flame-retardant sleeve (1), an insulating structure (3) is arranged on the inner wall of the protective structure (2), a reinforcing structure (4) is arranged on the inner wall of the insulating structure (3), and an oxygen barrier layer (5) is arranged on the inner wall of the reinforcing structure (4);
the inner wall of the oxygen isolation layer (5) is uniformly provided with an isolation frame (6);
wire cores (7) are uniformly arranged on the inner wall of the separation frame (6).
2. A flame retardant cable according to claim 1, wherein: the inner wall of insulating layer (201) is provided with inoxidizing coating (202), the inner wall of inoxidizing coating (202) all is provided with fire-retardant strip (203).
3. A flame retardant cable according to claim 2, wherein: the protective layer (202) is actually a flame-retardant layer, and the flame-retardant strips (203) are distributed at equal intervals inside the protective layer (202).
4. A flame retardant cable according to claim 1, wherein: the insulation structure (3) comprises a protection layer (301), a first wrapping layer (302) and a second wrapping layer (303), wherein the protection layer (301) is arranged on the inner wall of the flame-retardant strip (203), the first wrapping layer (302) is arranged on the inner wall of the protection layer (301), and the second wrapping layer (303) is arranged on the inner wall of the first wrapping layer (302).
5. A flame retardant cable according to claim 4, wherein: the protective layer (301) is actually a corrosion-resistant layer, and the outer side wall of the protective layer (301) is attached to the inner wall of the flame-retardant strip (203).
6. A flame retardant cable according to claim 1, wherein: the reinforced structure (4) comprises a first shock absorption layer (401), a second shock absorption layer (402) and a fiber layer (403), wherein the first shock absorption layer (401) is arranged on the inner wall of the second wrapping layer (303), the second shock absorption layer (402) is arranged on the inner wall of the first shock absorption layer (401), and the fiber layer (403) is arranged on the inner wall of the second shock absorption layer (402).
7. A flame retardant cable according to claim 6, wherein: the contact surface of the first shock absorption layer (401) and the second shock absorption layer (402) is in a zigzag design, and the inner side wall of the fiber layer (403) is attached to the outer side wall of the oxygen isolation layer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322460540.5U CN220753125U (en) | 2023-09-11 | 2023-09-11 | Flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322460540.5U CN220753125U (en) | 2023-09-11 | 2023-09-11 | Flame-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220753125U true CN220753125U (en) | 2024-04-09 |
Family
ID=90569037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322460540.5U Active CN220753125U (en) | 2023-09-11 | 2023-09-11 | Flame-retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220753125U (en) |
-
2023
- 2023-09-11 CN CN202322460540.5U patent/CN220753125U/en active Active
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