CN220065250U - High-temperature-resistant flame-retardant composite cable - Google Patents
High-temperature-resistant flame-retardant composite cable Download PDFInfo
- Publication number
- CN220065250U CN220065250U CN202321696038.8U CN202321696038U CN220065250U CN 220065250 U CN220065250 U CN 220065250U CN 202321696038 U CN202321696038 U CN 202321696038U CN 220065250 U CN220065250 U CN 220065250U
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- CN
- China
- Prior art keywords
- retardant
- layer
- flame
- heat dissipation
- cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000003063 flame retardant Substances 0.000 title claims abstract description 83
- 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 65
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 230000017525 heat dissipation Effects 0.000 claims abstract description 45
- 239000004743 Polypropylene Substances 0.000 claims description 14
- 239000004020 conductor Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 239000000779 smoke Substances 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 9
- 239000003365 glass fiber Substances 0.000 claims description 6
- 238000005728 strengthening Methods 0.000 claims description 6
- 229920000098 polyolefin Polymers 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009413 insulation 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
- Insulated Conductors (AREA)
Abstract
The utility model discloses a high-temperature-resistant flame-retardant composite cable, which comprises an insulating wire core and an outer sheath, wherein a shielding layer is arranged on the inner side of the outer sheath, a heat dissipation layer is arranged on the inner side of the shielding layer, a plurality of heat dissipation strips are annularly arranged on an inner ring of the heat dissipation layer, a composite flame-retardant layer is arranged on an inner ring of the heat dissipation strips, a wrapping belt is arranged in the composite flame-retardant layer, a plurality of insulating wire cores are arranged in the wrapping belt in an annular array, a central reinforcing rib is arranged at the central position of each insulating wire core, the central reinforcing rib is longitudinally arranged along with the insulating wire core in an extending mode, and flame-retardant filling ropes are arranged at gaps among the plurality of insulating wire cores. According to the utility model, the external flame-retardant capability of the cable can be improved through the composite flame-retardant layer, the flame-retardant filling rope ensures the flame-retardant capability of the interior of the cable, and the heat dissipation capability can be improved through the plurality of heat dissipation strips arranged on the inner ring of the heat dissipation layer, so that the heat dissipation effect of the cable can be ensured, the heat dissipation is convenient, and the safety of the cable can be improved.
Description
Technical Field
The utility model relates to the cable related field, in particular to a high-temperature-resistant flame-retardant composite cable.
Background
Typically rope-like cables formed by twisting several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a centre, the whole being covered with a highly insulating coating.
Generally, the cable flame retardant means at the current stage is single, and is generally protected through a flame retardant outer sheath, and under special conditions, the flame retardant capability of the cable is insufficient, combustion is easy to cause, the cable cannot be subjected to internal and external double flame retardant protection, and the safety performance is insufficient.
Disclosure of Invention
The utility model aims to provide a high-temperature-resistant flame-retardant composite cable so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fire-retardant composite cable of high temperature resistant, includes insulating core and oversheath, the inboard of oversheath is equipped with the shielding layer, the inboard of shielding layer is equipped with the heat dissipation layer, the annular of heat dissipation layer inner circle sets up many radiating strips, the radiating strip inner circle is provided with the fire-retardant layer of complex, be provided with the band in the fire-retardant layer of complex, be provided with annular array in the band has many insulating core, many insulating core's central point puts and is provided with the center strengthening rib, the center strengthening rib vertically follows insulating core extension and sets up, many the space department between the insulating core is provided with fire-retardant filling rope.
In a further embodiment, the insulated wire core comprises a conductor and an insulating layer wrapped outside the conductor, the conductor is formed by twisting a plurality of copper wires, and the insulating layer is made of polyvinyl chloride.
In a further embodiment, the heat dissipating strip is bonded to the inner side wall of the heat dissipating layer by glue.
In a further embodiment, the flame retardant filler rope is PP flame retardant filler.
In a further embodiment, the composite flame-retardant layer sequentially comprises a buffer layer, an oxygen-isolation flame-retardant layer and a flame-retardant glass fiber tape layer from outside to inside, wherein the buffer layer is made of PP (polypropylene) material, the oxygen-isolation flame-retardant layer is made of flame-retardant low-smoke halogen-free polyolefin, and the flame-retardant tape layer is made of low-smoke halogen-free glass fiber tape.
In a further embodiment, the heat dissipation layer is made of rubber.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the external flame-retardant capability of the cable can be improved through the composite flame-retardant layer, the oxygen-isolation flame-retardant layer is made of flame-retardant low-smoke halogen-free polyolefin, the flame-retardant wrapping layer is made of low-smoke halogen-free glass fiber tape, and the flame-retardant filling rope at the gap of the insulated wire core ensures the flame-retardant capability of the cable.
2. The heat dissipation layer is arranged, the heat dissipation layers and the buffer layer are arranged between the heat dissipation layers and the buffer layer, the heat dissipation layers are made of PP materials, the buffer layer is made of PP materials, the heat dissipation layers and the buffer layer are elastic, the heat dissipation strips are arranged at intervals, the heat dissipation capacity can be improved through the heat dissipation strips, the heat dissipation effect of the cable can be guaranteed, heat can be led out through gaps between the heat dissipation strips and the heat dissipation layers, heat dissipation is facilitated, the heat insulation protection can be carried out on the cable through the heat dissipation layers, and the safety of the cable can be improved.
Drawings
FIG. 1 is a schematic structural view of a high temperature resistant flame retardant composite cable of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a cross-sectional view of a heat dissipation layer of the present utility model;
FIG. 4 is a schematic view of the structure of the portion A of the present utility model;
FIG. 5 is a schematic structural view of the composite flame retardant layer of the present utility model.
In the figure: 1. a conductor; 2. an insulated wire core; 3. an insulating layer; 4. a belting; 5. a composite flame retardant layer; 6. a shielding layer; 7. an outer sheath; 8. a flame retardant filler rope; 9. a heat dissipation strip; 10. a central reinforcing rib; 11. a heat dissipation layer; 51. a buffer layer; 52. an oxygen barrier flame retardant layer; 53. and a flame retardant tape layer.
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.
Referring to fig. 1-5, an embodiment of the present utility model is provided: including insulating core 2 and oversheath 7, the inboard of oversheath 7 is equipped with shielding layer 6, shielding layer 6's inboard is equipped with heat dissipation layer 11, heat dissipation layer 11 inner circle annular sets up many heat dissipation strip 9, heat dissipation strip 9 inner circle is provided with compound fire-retardant layer 5, be provided with band 4 in the compound fire-retardant layer 5, be provided with annular array in band 4 and have many insulating core 2, the central point of many insulating core 2 puts and is provided with central strengthening rib 10, the longitudinal extension of following insulating core 2 of central strengthening rib 10 sets up, the space department between many insulating core 2 is provided with fire-retardant filling rope 8, the fire-retardant ability of cable inside has been guaranteed.
Further, the insulated wire core 2 comprises a conductor 1 and an insulating layer 3 wrapped outside the conductor 1, the conductor 1 is formed by twisting a plurality of copper wires, and the insulating layer 3 is made of polyvinyl chloride.
Further, the heat dissipating strip 9 is adhered to the inner side wall of the heat dissipating layer 11 by glue.
Further, the flame-retardant filling rope 8 is used for PP flame-retardant filling, so that the flame-retardant capability of the inside of the cable is ensured.
Further, the composite flame-retardant layer 5 sequentially comprises a buffer layer 51, an oxygen-isolation flame-retardant layer 52 and a flame-retardant wrapping tape layer 53 from outside to inside, the buffer layer 51 is made of PP (polypropylene) materials, the oxygen-isolation flame-retardant layer 52 is made of flame-retardant low-smoke halogen-free polyolefin, the flame-retardant wrapping tape layer 53 is made of low-smoke halogen-free glass fiber tape, and the external flame-retardant capability of the cable can be improved through the composite flame-retardant layer 5.
Further, the heat dissipation layer 11 is made of rubber.
Working principle: during the use, can carry out insulating protection to the outside of cable through oversheath 7, composite flame retardant coating 5 includes buffer layer 51 from outside to inside in proper order, oxygen isolation flame retardant coating 52 and fire-retardant band layer 53, buffer layer 51 is the PP material, oxygen isolation flame retardant coating 52 material is fire-retardant low smoke zero halogen polyolefin, fire-retardant band layer 53 material is low smoke zero halogen glass fiber area, can improve the outside fire-retardant ability of cable through composite flame retardant coating 5, be provided with a plurality of heat dissipation strips 9 between heat dissipation layer 11 and the buffer layer 51, heat dissipation layer 11 adopts the PP material, buffer layer 51 material is the PP material, both have certain elasticity, the intermediate interval sets up a plurality of heat dissipation strips 9, through its radiating effect that can guarantee cable itself, the heat can be derived by the space between heat dissipation strip and the heat dissipation layer, conveniently dispel the heat, and can carry out thermal-insulated protection to the cable through the heat dissipation layer, the security of cable can be improved, fire-retardant filling rope 8 of insulating core 2 clearance department has guaranteed the fire-retardant ability of cable inside.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a high temperature resistant fire-retardant composite cable, includes insulating sinle silk (2) and oversheath (7), its characterized in that: the inner side of oversheath (7) is equipped with shielding layer (6), the inboard of shielding layer (6) is equipped with heat dissipation layer (11), heat dissipation layer (11) inner circle annular sets up many radiating strips (9), the radiating strips (9) inner circle is provided with compound fire-retardant layer (5), be provided with band (4) in compound fire-retardant layer (5), be provided with annular array in band (4) and have many insulating sinle silk (2), many insulating sinle silk (2) central point put and are provided with central strengthening rib (10), central strengthening rib (10) vertically follow insulating sinle silk (2) extension setting, many the space department between insulating sinle silk (2) is provided with fire-retardant filling rope (8).
2. The high temperature resistant flame retardant composite cable of claim 1, wherein: the insulated wire core (2) comprises a conductor (1) and an insulating layer (3) wrapped outside the conductor (1), the conductor (1) is formed by twisting a plurality of copper wires, and the insulating layer (3) is made of polyvinyl chloride.
3. The high temperature resistant flame retardant composite cable of claim 1, wherein: the heat dissipation strips (9) are adhered to the inner side wall of the heat dissipation layer (11) through glue solution.
4. The high temperature resistant flame retardant composite cable of claim 1, wherein: the flame-retardant filling rope (8) is PP flame-retardant filling.
5. The high temperature resistant flame retardant composite cable of claim 1, wherein: the composite flame-retardant layer (5) sequentially comprises a buffer layer (51), an oxygen-isolation flame-retardant layer (52) and a flame-retardant wrapping tape layer (53) from outside to inside, wherein the buffer layer (51) is made of PP (polypropylene) materials, the oxygen-isolation flame-retardant layer (52) is made of flame-retardant low-smoke halogen-free polyolefin, and the flame-retardant wrapping tape layer (53) is made of low-smoke halogen-free glass fiber tapes.
6. The high temperature resistant flame retardant composite cable of claim 1, wherein: the heat dissipation layer (11) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321696038.8U CN220065250U (en) | 2023-06-30 | 2023-06-30 | High-temperature-resistant flame-retardant composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321696038.8U CN220065250U (en) | 2023-06-30 | 2023-06-30 | High-temperature-resistant flame-retardant composite cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220065250U true CN220065250U (en) | 2023-11-21 |
Family
ID=88752717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321696038.8U Active CN220065250U (en) | 2023-06-30 | 2023-06-30 | High-temperature-resistant flame-retardant composite cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220065250U (en) |
-
2023
- 2023-06-30 CN CN202321696038.8U patent/CN220065250U/en active Active
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