CN221079680U - Low-smoke halogen-free flame-retardant flexible fireproof medium-voltage cable - Google Patents
Low-smoke halogen-free flame-retardant flexible fireproof medium-voltage cable Download PDFInfo
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- CN221079680U CN221079680U CN202322802005.3U CN202322802005U CN221079680U CN 221079680 U CN221079680 U CN 221079680U CN 202322802005 U CN202322802005 U CN 202322802005U CN 221079680 U CN221079680 U CN 221079680U
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- 239000000779 smoke Substances 0.000 title claims abstract description 36
- 239000003063 flame retardant Substances 0.000 title claims abstract description 34
- 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 31
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- 229910052736 halogen Inorganic materials 0.000 claims description 18
- 150000002367 halogens Chemical class 0.000 claims description 17
- 238000005336 cracking Methods 0.000 claims description 13
- 230000009970 fire resistant effect Effects 0.000 claims description 10
- 238000009954 braiding Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 3
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 238000001125 extrusion Methods 0.000 abstract description 3
- 101100510615 Caenorhabditis elegans lag-2 gene Proteins 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000009421 internal insulation Methods 0.000 description 3
- 101100074187 Caenorhabditis elegans lag-1 gene Proteins 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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 discloses a low-smoke halogen-free flame-retardant flexible fireproof medium-voltage cable, which comprises: the first protective sleeve is composed of a low-smoke halogen-free flame-retardant layer, a heat-resistant layer, a reinforcing layer, a compression-resistant layer, an elastic layer, a shielding layer and an outer insulating layer. According to the utility model, the flame-retardant effect of the medium-voltage cable is improved by arranging the low-smoke halogen-free flame-retardant layer, and a large amount of smoke generated when the cable is ignited is avoided, so that the effect of low smoke halogen-free is realized, the heat-resistant effect of the surface of the medium-voltage cable is improved by arranging the heat-resistant layer, so that the cable core inside the cable is further protected, the strength and the quality of the medium-voltage cable during use are improved by arranging the reinforcing layer, the compression resistance of the medium-voltage cable is improved by arranging the compression-resistant layer, the influence of external extrusion force on the cable core in the medium-voltage cable is avoided, the elasticity of the medium-voltage cable is improved by arranging the elastic layer, and the effect of shielding external signal interference of the medium-voltage cable is improved by arranging the shielding layer.
Description
Technical Field
The utility model relates to the technical field of medium voltage cables, in particular to a low-smoke zero-halogen flame-retardant flexible fireproof medium voltage cable.
Background
The medium-voltage cable is widely applied to power systems and is generally used in the fields of power transmission and distribution, generators, distribution devices, transformers, hydraulic engineering and the like. Specific application occasions and requirements can select different medium voltage cables according to actual conditions, and the medium voltage cable is widely applied to power systems and is generally used in the fields of power transmission and distribution, generators, distribution devices, transformers, hydraulic engineering and the like. Specific application occasions and requirements can select different varieties and specifications according to actual conditions so as to meet safe and stable power transmission and distribution requirements.
According to the application number: CN201620885386.3, a mining flexible medium voltage cable, its characteristics are: the mining flexible medium-voltage cable comprises a wire core, a filling or reinforcing core, an inner sheath, a wrapping shielding and an outer sheath, wherein the wire core comprises a copper conductor, a shielding, an insulating layer, an insulating shielding and a wire core braiding layer, the copper conductor is provided with the shielding, the outer side of the shielding is the insulating layer, the outer side of the insulating layer is the insulating shielding, the outer side of the insulating shielding is the wire core braiding layer, the wire core, the filling or reinforcing core is provided with the inner sheath, the outer side of the inner sheath is the wrapping shielding, and the outer side of the wrapping shielding is the outer sheath.
The medium voltage cable of above-mentioned case fire behavior is not good, and when the conflagration breaks out, flame can spread along the cable, still can produce a large amount of smog simultaneously, and smog often produces further harm to the people, and the compressive effect of cable is not good simultaneously to seriously influence its life.
Disclosure of utility model
The utility model aims to provide a low-smoke halogen-free flame-retardant flexible fireproof medium voltage 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: a low smoke zero halogen flame retardant flexible fire resistant medium voltage cable comprising:
The first protective sleeve consists of a low-smoke halogen-free flame-retardant layer, a heat-resistant layer, a reinforcing layer, a compression-resistant layer, an elastic layer, a shielding layer and an outer insulating layer;
The second protective sleeve is arranged in the first protective sleeve and consists of a high-temperature resistant layer, an anti-cracking layer and an inner insulating layer;
The cable core is arranged in the second protective sleeve;
The separation block is arranged in the first protective sleeve.
Preferably, the heat-resistant layer is arranged on the inner wall of the low-smoke halogen-free flame-retardant layer, the enhancement layer is arranged on the inner wall of the heat-resistant layer, the compression-resistant layer is arranged on the inner wall of the enhancement layer, the elastic layer is arranged on the inner wall of the compression-resistant layer, the shielding layer is arranged on the inner wall of the elastic layer, and the outer insulation layer is arranged on the inner wall of the shielding layer.
Preferably, the anti-cracking layer is arranged on the inner wall of the high temperature resistant layer, and the inner insulating layer is arranged on the inner wall of the anti-cracking layer.
Preferably, the low smoke halogen-free flame retardant layer is made of epoxy resin paint, and the heat resistant layer is made of crosslinked polyethylene.
Preferably, the reinforcing layer is made of ABS resin, and the compression-resistant layer is made of teflon knitting.
Preferably, the elastic layer is made of thermoplastic polyurethane elastomer, and the shielding layer is made of galvanized steel wire mesh in a braiding mode.
Preferably, the high temperature resistant layer is made of mica tape, and the anti-cracking layer is made of polyamide.
Preferably, the outer insulating layer and the inner insulating layer are both made of ethylene propylene rubber.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the flame-retardant effect of the medium-voltage cable is improved by arranging the low-smoke halogen-free flame-retardant layer, and a large amount of smoke generated when the cable is ignited is avoided, so that the effect of low smoke halogen-free is realized, the heat-resistant effect of the surface of the medium-voltage cable is improved by arranging the heat-resistant layer, so that the cable core inside the cable is further protected, the strength and the quality of the medium-voltage cable during use are improved by arranging the reinforcing layer, the compression resistance of the medium-voltage cable is improved by arranging the compression-resistant layer, the influence of external extrusion force on the cable core in the medium-voltage cable is avoided, the elasticity of the medium-voltage cable is improved by arranging the elastic layer, and the effect of shielding external signal interference of the medium-voltage cable is improved by arranging the shielding layer.
2. According to the utility model, the high temperature resistant effect inside the medium voltage cable is improved by arranging the high temperature resistant layer, the anti-cracking performance inside the medium voltage cable is improved by arranging the anti-cracking layer, and the insulating performance of the medium voltage cable is improved by arranging the outer insulating layer and the inner insulating layer.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a cross-sectional view of a side view of the present utility model;
FIG. 3 is a cross-sectional view of a side view of a second protective jacket and cable core according to the present utility model.
In the figure: 1 a first protective sleeve, 11 a low smoke halogen-free flame retardant layer, 12 a heat-resistant layer, 13 a reinforcing layer, 14a compression-resistant layer, 15 an elastic layer, 16 a shielding layer, 17 an outer insulating layer, 2a second protective sleeve, 21 a high temperature resistant layer, 22 an anti-cracking layer, 23 an inner insulating layer, 3a cable core and 4a separation block.
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. 1-3, a low smoke zero halogen flame retardant flexible fire resistant medium voltage cable comprising: the first protective cover 1, the first protective cover 1 is formed by a low smoke zero halogen flame retardant layer 11, a heat resistant layer 12, a reinforcing layer 13, a compression resistant layer 14, an elastic layer 15, a shielding layer 16 and an outer insulating layer 17, wherein the low smoke zero halogen flame retardant layer 11 is made of epoxy resin paint, the heat resistant layer 12 is arranged on the inner wall of the low smoke zero halogen flame retardant layer 11, the heat resistant layer 12 is made of crosslinked polyethylene, the reinforcing layer 13 is arranged on the inner wall of the heat resistant layer 12, the reinforcing layer 13 is made of ABS resin, the compression resistant layer 14 is arranged on the inner wall of the reinforcing layer 13, the compression resistant layer 14 is made of Teflon, the elastic layer 15 is arranged on the inner wall of the compression resistant layer 14, the elastic layer 15 is made of thermoplastic polyurethane elastomer, the shielding layer 16 is arranged on the inner wall of the elastic layer 15, the shielding layer 16 is made of galvanized steel wire mesh, and the outer insulating layer 17 is arranged on the inner wall of the shielding layer 16.
Through setting up low smoke and zero halogen flame retardant coating 11, the flame retardant efficiency of medium voltage cable has been improved, avoid simultaneously when the cable is lighted and can produce a large amount of smog, thereby realized low smoke and zero halogen's effect, through setting up heat-resistant layer 12, the heat-resistant effect on medium voltage cable surface has been improved, thereby further protect the cable core 3 of cable inside, through setting up enhancement layer 13, the intensity of medium voltage cable and the quality when using have been improved, through setting up compressive layer 14, the compressive capacity of medium voltage cable has been improved, avoid external extrusion force to cause the influence to cable core 3 in the medium voltage cable, through setting up elastic layer 15, the elasticity of medium voltage cable has been improved, through setting up shielding layer 16, the effect of medium voltage cable shielding external signal interference has been improved.
The second lag 2, the second lag 2 sets up in the inside of first lag 1, and the second lag 2 is constituteed through high temperature resistant layer 21, anticracking layer 22 and internal insulation layer 23, and high temperature resistant layer 21 is made through the mica tape, and anticracking layer 22 sets up on the inner wall of high temperature resistant layer 21, and anticracking layer 22 is made through polyamide, and internal insulation layer 23 sets up on the inner wall of anticracking layer 22, and outer insulating layer 17 and internal insulation layer 23 are all made through the ethylene propylene rubber.
The cable core 3, the cable core 3 sets up in the inside of second lag 2, and separate piece 4, separate piece 4 set up in the inside of first lag 1.
By arranging the high temperature resistant layer 21, the high temperature resistant effect inside the medium voltage cable is improved, by arranging the anti-cracking layer 22, the anti-cracking performance inside the medium voltage cable is improved, and by arranging the outer insulating layer 17 and the inner insulating layer 23, the insulating performance of the medium voltage cable is improved.
To sum up: this low smoke and zero halogen fire-retardant flexible fire prevention medium voltage cable through setting up low smoke and zero halogen flame retardant coating 11, through setting up heat-resistant layer 12, through setting up enhancement layer 13, through setting up compressive layer 14, through setting up elastic layer 15, through setting up shielding layer 16, through setting up high temperature resistant layer 21, through setting up crack control layer 22, through setting up outer insulating layer 17 and interior insulating layer 23, has solved the problem that proposes among the above-mentioned background art.
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 (8)
1. A low smoke zero halogen flame retardant flexible fire resistant medium voltage cable comprising:
The first protective sleeve (1) is composed of a low-smoke halogen-free flame-retardant layer (11), a heat-resistant layer (12), a reinforcing layer (13), a compression-resistant layer (14), an elastic layer (15), a shielding layer (16) and an outer insulating layer (17);
The second protective sleeve (2) is arranged in the first protective sleeve (1), and the second protective sleeve (2) consists of a high-temperature-resistant layer (21), an anti-cracking layer (22) and an inner insulating layer (23);
The cable core (3) is arranged in the second protective sleeve (2);
The separation block (4), separation block (4) set up in the inside of first lag (1).
2. The low smoke zero halogen flame retardant flexible fire resistant medium voltage cable of claim 1 wherein: the heat-resistant layer (12) is arranged on the inner wall of the low-smoke halogen-free flame-retardant layer (11), the reinforcing layer (13) is arranged on the inner wall of the heat-resistant layer (12), the compression-resistant layer (14) is arranged on the inner wall of the reinforcing layer (13), the elastic layer (15) is arranged on the inner wall of the compression-resistant layer (14), the shielding layer (16) is arranged on the inner wall of the elastic layer (15), and the outer insulating layer (17) is arranged on the inner wall of the shielding layer (16).
3. The low smoke zero halogen flame retardant flexible fire resistant medium voltage cable of claim 1 wherein: the anti-cracking layer (22) is arranged on the inner wall of the high-temperature resistant layer (21), and the inner insulating layer (23) is arranged on the inner wall of the anti-cracking layer (22).
4. The low smoke zero halogen flame retardant flexible fire resistant medium voltage cable of claim 1 wherein: the low-smoke halogen-free flame-retardant layer (11) is made of epoxy resin paint, and the heat-resistant layer (12) is made of crosslinked polyethylene.
5. The low smoke zero halogen flame retardant flexible fire resistant medium voltage cable of claim 1 wherein: the reinforcing layer (13) is made of ABS resin, and the compression-resistant layer (14) is made of Teflon through braiding.
6. The low smoke zero halogen flame retardant flexible fire resistant medium voltage cable of claim 1 wherein: the elastic layer (15) is made of thermoplastic polyurethane elastomer, and the shielding layer (16) is made of galvanized steel wire mesh in a braiding mode.
7. The low smoke zero halogen flame retardant flexible fire resistant medium voltage cable of claim 1 wherein: the high temperature resistant layer (21) is made of mica tape, and the anti-cracking layer (22) is made of polyamide.
8. The low smoke zero halogen flame retardant flexible fire resistant medium voltage cable of claim 1 wherein: the outer insulating layer (17) and the inner insulating layer (23) are made of ethylene propylene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322802005.3U CN221079680U (en) | 2023-10-18 | 2023-10-18 | Low-smoke halogen-free flame-retardant flexible fireproof medium-voltage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322802005.3U CN221079680U (en) | 2023-10-18 | 2023-10-18 | Low-smoke halogen-free flame-retardant flexible fireproof medium-voltage cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221079680U true CN221079680U (en) | 2024-06-04 |
Family
ID=91249865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322802005.3U Active CN221079680U (en) | 2023-10-18 | 2023-10-18 | Low-smoke halogen-free flame-retardant flexible fireproof medium-voltage cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221079680U (en) |
-
2023
- 2023-10-18 CN CN202322802005.3U patent/CN221079680U/en active Active
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