CN219800534U - High-temperature-resistant flame-retardant cable - Google Patents
High-temperature-resistant flame-retardant cable Download PDFInfo
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- CN219800534U CN219800534U CN202320509677.2U CN202320509677U CN219800534U CN 219800534 U CN219800534 U CN 219800534U CN 202320509677 U CN202320509677 U CN 202320509677U CN 219800534 U CN219800534 U CN 219800534U
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- Prior art keywords
- layer
- insulating
- flame retardant
- protective layer
- fixedly connected
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 46
- 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 40
- 239000010410 layer Substances 0.000 claims abstract description 75
- 239000011241 protective layer Substances 0.000 claims abstract description 41
- 239000000945 filler Substances 0.000 claims abstract description 29
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 230000002265 prevention Effects 0.000 claims abstract description 9
- 239000000835 fiber Substances 0.000 claims description 9
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 7
- 239000011490 mineral wool Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 5
- 229920002748 Basalt fiber Polymers 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims 3
- 230000000694 effects Effects 0.000 description 16
- 230000009471 action Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 239000012784 inorganic fiber Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model provides a high-temperature-resistant flame-retardant cable, and relates to the field of cables. Including outer protective layer, the inner wall fixedly connected with insulating layer of outer protective layer, the inner wall fixedly connected with outer flame retardant coating of insulating layer, the inside of outer flame retardant coating is provided with interior protective layer, and the inside of outer flame retardant coating and the outside of interior protective layer are provided with outer fire prevention filler jointly, and the inner wall fixedly connected with waterproof layer of spiral steel wire, the inside of waterproof layer are provided with interior flame retardant coating, and the inside of waterproof layer and the outside of interior flame retardant coating are provided with interior fire prevention filler jointly. According to the utility model, the outer protective layer and the inner fireproof filler are arranged for filling, so that the cable can be quickly combusted for flame retardance, the spread of fire is avoided, and the heat insulation layer is arranged for effectively isolating the inner temperature and the outer temperature, so that the interference of the outer temperature on the inner wire core is avoided, the use safety and reliability of the cable are improved, the high temperature resistance of the cable is improved, and the flame retardance of the cable is improved.
Description
Technical Field
The utility model relates to the field of cables, in particular to a high-temperature-resistant flame-retardant cable.
Background
Wire and cable are used for transmitting electric (magnetic) energy, information and wire products for electromagnetic energy conversion, which are also referred to as cables in the broad sense, and which are insulated cables in the narrow sense, which can be defined as: an assembly of one or more insulated cores, and their respective coatings, total protective layers and outer protective layers, the cable may also have additional uninsulated conductors.
Cables are widely used, and are closely related to the work and life of people, the cables generally comprise a conductor core, an insulating layer, a filling layer and a flame-retardant outer sheath from inside to outside, and flat cables or ribbon cables belong to one of the cables and are flat conductors formed by combining a plurality of conductors.
Most of the existing cables are flame-retardant by adopting flame-retardant fibers, however, when the cables are burnt at high temperature, the cables still need to be burnt for a period of time to prevent burning, the flame-retardant effect of the cables cannot be rapidly achieved, and the use of the cables is easily disturbed by external temperature.
Disclosure of Invention
The utility model aims to provide a high-temperature-resistant flame-retardant cable so as to solve the problems that the existing cable proposed in the background technology mostly adopts flame-retardant fibers for flame retardance, but when the cable burns at high temperature, the cable still needs to burn for a period of time to prevent burning, the flame retardant effect of the cable cannot be rapidly carried out, and the use of the cable is easily disturbed by external temperature.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high temperature resistant fire-retardant cable, includes the outer protective layer, the inner wall fixedly connected with insulating layer of outer protective layer, the inner wall fixedly connected with outer flame retardant coating of insulating layer, the inside of outer flame retardant coating is provided with interior protective layer, the inside of outer flame retardant coating and the outside of interior protective layer are provided with outer fire prevention filler jointly, the inner wall fixedly connected with waterproof layer of spiral steel wire, the inside of waterproof layer is provided with interior flame retardant coating, the inside of waterproof layer and the outside of interior flame retardant coating are provided with interior fire prevention filler jointly.
Preferably, the inner wall of the inner fireproof layer is fixedly connected with an insulating layer, and the inner wall of the insulating layer is fixedly connected with a plurality of insulating division bars.
Preferably, a plurality of opposite sides of the insulating parting strips are respectively provided with a wire core, the surfaces of the wire cores are respectively fixedly connected with an insulating sleeve, and insulating fillers are arranged in the insulating layers.
Preferably, the surface of the outer protective layer is fixedly connected with a plurality of wear-resisting strips, a cavity is formed in the surface of the outer protective layer, and a spiral steel wire is arranged in the cavity.
Preferably, the wear-resistant strips, the outer protective layer and the inner protective layer are all made of rubber, and the outer fireproof filler and the inner fireproof filler are all made of aluminum hydroxide flame retardant.
Preferably, the heat insulation layer is made of rock wool fibers, the outer fireproof layer and the inner fireproof layer are made of basalt fibers, and the waterproof layer is a water blocking belt.
Preferably, the insulating layer, the insulating division bars, the insulating sleeve and the insulating filling material are all made of polyvinyl chloride.
The utility model has the technical effects and advantages that:
1. the utility model can quickly burn to prevent fire by arranging the outer protective layer, the heat insulating layer, the outer fireproof layer, the inner protective layer, the waterproof layer, the inner fireproof layer, the outer fireproof filling material and the inner fireproof filling material for filling, thereby avoiding fire spreading, and the heat insulating layer can effectively isolate the inner temperature from the outer temperature, thereby avoiding interference to the inner wire core caused by the outer temperature, improving the use safety and reliability of the cable, improving the high temperature resistance of the cable, improving the flame retardance of the cable, improving the use safety and reliability of the cable, improving the high temperature resistance of the cable, increasing the applicable scene of the cable, improving the flame retardance of the cable, reducing the damage degree after the cable is ignited, reducing economic loss and improving market competitiveness.
2. Through setting up wear strip, outer protective layer, inner protective layer, outer fire prevention filler, inner fire prevention filler, rubber has elasticity, wear-resisting, cold-resistant, has good electrical insulation, chemical stability, aluminium hydroxide fire retardant, when flame contact aluminium hydroxide fire retardant, can take place partial pyrolysis, release many micromolecule substances, such as oxygen and hydrogen, these substances can form one deck protection film, make flame can not direct contact the burning thing to reduce the fire, slow down the process of burning, finally play the effect of fire prevention.
3. Through setting up insulating layer, outer flame retardant coating, interior flame retardant coating, waterproof layer, rock wool fibre keeps warm and insulates against heat effectually extremely: the rock wool fiber is slender and flexible, has low slag ball content and low heat conductivity coefficient, can effectively insulate and preserve heat of houses, has excellent heat preservation effect, and the basalt fiber is inorganic fiber, has the advantages of incombustibility, temperature resistance, no toxic gas discharge, good heat insulation, no melting or dripping, high strength, no thermal shrinkage phenomenon and the like, and the water blocking belt is formed by processing materials such as polyester non-woven fabrics, adhesives, high-speed expansion high-molecular water absorbing resin and the like.
Drawings
FIG. 1 is a schematic diagram of the overall front cross-sectional structure of the present utility model.
Fig. 2 is a schematic overall perspective view of the present utility model.
Fig. 3 is a schematic perspective view of an insulating layer according to the present utility model.
FIG. 4 is a schematic view of the right side cross-sectional structure of the outer protective layer of the present utility model.
In the figure: 1. an outer protective layer; 2. a thermal insulation layer; 3. an outer fire-blocking layer; 4. an inner protective layer; 5. a waterproof layer; 6. an inner fire-blocking layer; 7. an outer fire-retardant filler; 8. an inner fire-retardant filler; 9. an insulating layer; 10. insulating parting strips; 11. a wire core; 12. an insulating sleeve; 13. an insulating filler; 14. wear strips; 15. a spiral steel wire.
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.
The utility model provides a high-temperature-resistant flame-retardant cable as shown in fig. 1-4, which comprises an outer protective layer 1, wherein the inner wall of the outer protective layer 1 is fixedly connected with a heat insulation layer 2, the inner wall of the heat insulation layer 2 is fixedly connected with an outer fireproof layer 3, the inner part of the outer fireproof layer 3 and the outer part of the inner protective layer 4 are jointly provided with an outer fireproof filler 7, the inner wall of a spiral steel wire 15 is fixedly connected with a waterproof layer 5, the inner part of the waterproof layer 5 is provided with an inner fireproof layer 6, and the inner part of the waterproof layer 5 and the outer part of the inner fireproof layer 6 are jointly provided with an inner fireproof filler 8.
As shown in fig. 1, fig. 2 and fig. 3, the inner wall of the inner fireproof layer 6 is fixedly connected with an insulating layer 9, the inner wall of the insulating layer 9 is fixedly connected with a plurality of insulating parting strips 10, under the action of the insulating layer 9 and the insulating parting strips 10, all wire cores 11 can be separated, so that mutual interference of signal transmission between the wire cores 11 is avoided, meanwhile, the device is supported, one opposite side of the insulating parting strips 10 is provided with the wire cores 11, the surfaces of the wire cores 11 are fixedly connected with insulating sleeves 12, insulating filler 13 is arranged in the insulating layer 9, and under the action of the insulating filler 13, the stability of the wire cores 11 is kept, and meanwhile, the insulating effect of the device is improved.
As shown in fig. 1-4, the surface of the outer protective layer 1 is fixedly connected with a plurality of wear-resistant strips 14, the surface of the outer protective layer 1 is provided with a cavity, a spiral steel wire 15 is arranged in the cavity, under the action of the wear-resistant strips 14, the wear-resistant capability of the device in use is improved, and under the action of the spiral steel wire 15, the use strength and the tensile capability of the device are improved, the plurality of wear-resistant strips 14, the outer protective layer 1 and the inner protective layer 4 are all made of rubber, the outer fireproof filling 7 and the inner fireproof filling 8 are all made of aluminum hydroxide flame retardant, the rubber has elasticity, wear resistance and cold resistance, and excellent electrical insulation and chemical stability, and the aluminum hydroxide flame retardant is partially pyrolyzed when flame contacts the aluminum hydroxide flame retardant, a layer of protective film is formed by the substances, such as oxygen and hydrogen, so that the flame cannot directly contact the combustion, the fire is reduced, the combustion process is slowed down, and finally the fireproof effect is achieved.
As shown in fig. 1-4, the heat insulation layer 2 is made of rock wool fibers, the outer fireproof layer 3 and the inner fireproof layer 6 are made of basalt fibers, the waterproof layer 5 is made of a water blocking belt, and the rock wool fibers are excellent in heat preservation and heat insulation effects: the rock wool fiber is slender and flexible, has low slag ball content and low heat conductivity coefficient, can effectively insulate houses, has excellent heat insulation effect, is inorganic fiber, has the advantages of incombustibility, temperature resistance, no toxic gas discharge, good heat insulation, no melting or dripping, high strength, no thermal shrinkage phenomenon and the like, and the water blocking belt is formed by processing materials such as polyester non-woven fabrics, adhesives, high-speed expansion high-molecular water absorbing resin and the like, and the insulating layer 9, the insulating parting strips 10, the insulating sleeve 12 and the insulating filler 13 are all made of polyvinyl chloride, and the polyvinyl chloride is a dielectric medium with larger polarity and has good electric insulation performance.
The working principle of the utility model is as follows: when the device is used, the device is installed and connected through the wire core 11, when the device is used, the inner part of the outer protective layer 1 burns to the positions of the inner fireproof layer 6 and the inner fireproof filler 8, the flame is timely subjected to flame retardance under the action of the inner fireproof filler 8, the flame is subjected to certain flame retardance under the action of the inner fireproof layer 6, and when the outer part of the outer protective layer 1 burns, the flame is subjected to certain flame retardance by the outer fireproof layer 3 after burning to the positions of the outer fireproof layer 3 and the outer fireproof filler 7, and the flame is thoroughly subjected to flame retardance under the action of the outer fireproof filler 7, so that the wire core 11 is prevented from being influenced;
the wear resistance that wear strip 14 increases is set up simultaneously to under the effect of spiral steel wire 15, increase the toughness of device, increase waterproof layer 5 simultaneously, make the device have waterproof effect, and under the effect of insulating layer 2, isolate outside heat, under the effect of outer protective layer 1 and inner protective layer 4, increase the protection to the device, simultaneously under the effect of insulating filler 13, increase the insulating effect to between each sinle silk 11, and under the effect of insulating parting bead 10, separate all sinle silk 11 and strutting arrangement.
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 (7)
1. The utility model provides a high temperature resistant fire-retardant cable, includes outer protective layer (1), its characterized in that: the inner wall fixedly connected with insulating layer (2) of outer protective layer (1), the inner wall fixedly connected with outer flame retardant coating (3) of insulating layer (2), the inside of outer flame retardant coating (3) is provided with interior protective layer (4), the inside of outer flame retardant coating (3) is provided with outer fire prevention filler (7) jointly with the outside of interior protective layer (4), the cavity has been seted up on the surface of outer protective layer (1), the inside of cavity is provided with spiral steel wire (15), the inner wall fixedly connected with waterproof layer (5) of spiral steel wire (15), the inside of waterproof layer (5) is provided with interior flame retardant coating (6), the inside of waterproof layer (5) and the outside of interior flame retardant coating (6) are provided with interior fire prevention filler (8) jointly.
2. The high temperature resistant flame retardant cable of claim 1, wherein: the inner wall of the inner fireproof layer (6) is fixedly connected with an insulating layer (9), and the inner wall of the insulating layer (9) is fixedly connected with a plurality of insulating division bars (10).
3. A high temperature resistant flame retardant cable according to claim 2, wherein: the insulating spacer comprises a plurality of insulating spacer bars (10), wherein one opposite side of each insulating spacer bar is provided with a wire core (11), the surfaces of the wire cores (11) are fixedly connected with insulating sleeves (12), and insulating fillers (13) are arranged in the insulating layers (9).
4. The high temperature resistant flame retardant cable of claim 1, wherein: the surface of the outer protective layer (1) is fixedly connected with a plurality of wear-resisting strips (14).
5. The high temperature resistant flame retardant cable of claim 4, wherein: the wear-resistant strips (14), the outer protective layer (1) and the inner protective layer (4) are all made of rubber, and the outer fireproof filler (7) and the inner fireproof filler (8) are all made of aluminum hydroxide flame retardant.
6. The high temperature resistant flame retardant cable of claim 1, wherein: the heat insulation layer (2) is made of rock wool fibers, the outer fireproof layer (3) and the inner fireproof layer (6) are made of basalt fibers, and the waterproof layer (5) is a water blocking belt.
7. A high temperature resistant flame retardant cable according to claim 3, wherein: the insulating layer (9), the insulating parting strips (10), the insulating sleeve (12) and the insulating filler (13) are all made of polyvinyl chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320509677.2U CN219800534U (en) | 2023-03-16 | 2023-03-16 | High-temperature-resistant flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320509677.2U CN219800534U (en) | 2023-03-16 | 2023-03-16 | High-temperature-resistant flame-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219800534U true CN219800534U (en) | 2023-10-03 |
Family
ID=88179847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320509677.2U Active CN219800534U (en) | 2023-03-16 | 2023-03-16 | High-temperature-resistant flame-retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219800534U (en) |
-
2023
- 2023-03-16 CN CN202320509677.2U patent/CN219800534U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |