CN220710003U - Medium-voltage fireproof cable - Google Patents
Medium-voltage fireproof cable Download PDFInfo
- Publication number
- CN220710003U CN220710003U CN202322390519.2U CN202322390519U CN220710003U CN 220710003 U CN220710003 U CN 220710003U CN 202322390519 U CN202322390519 U CN 202322390519U CN 220710003 U CN220710003 U CN 220710003U
- Authority
- CN
- China
- Prior art keywords
- cable
- fire
- resistant
- layer
- wear
- 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 claims abstract description 22
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 20
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003365 glass fiber Substances 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 6
- 238000013329 compounding Methods 0.000 claims abstract description 4
- 239000004020 conductor Substances 0.000 claims abstract description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 4
- 239000011707 mineral Substances 0.000 claims abstract description 4
- 229920002379 silicone rubber Polymers 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- 239000003513 alkali Substances 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 239000011521 glass Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 27
- 239000011162 core material Substances 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009941 weaving 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 provides a medium-voltage fire-resistant cable, which comprises a cable core body, wherein an insulating layer is arranged on the outer side wall of the cable core body in a surrounding manner, a filling layer is arranged on the periphery of the insulating layer, a cable flame-retardant layer is arranged on the periphery of the filling layer in a surrounding manner, a cable fire-resistant layer is arranged on the cable flame-retardant layer in a surrounding manner, a wear-resistant convex block is arranged on the cable fire-resistant layer, a protective jacket is arranged on the wear-resistant convex block in a surrounding manner, a layer of fireproof coating is coated on the protective jacket, the cable core body is a round copper glued conductor, the insulating layer is formed by compounding a synthetic mineral insulating tape and a high-temperature resistant glass fiber tape, the insulating layer is mainly woven by using alkali glass filaments as main raw materials through a special process, and the cable fire-resistant layer is made of glass fibers. The medium-voltage fire-resistant cable can be more suitable for the requirements of users, wear resistance and fire resistance are achieved, and the quality of the cable is improved.
Description
Technical Field
The utility model belongs to the technical field of cables, and particularly relates to a medium-voltage fire-resistant cable.
Background
At present, in super high-rise and ultra-high-rise large-scale buildings, a medium-high voltage cable is required, a 6-35kV medium-voltage crosslinked polyethylene insulated cable is mostly started to be used for power supply, in order to ensure the power supply reliability under fire conditions, a user puts forward a higher fire-resistant requirement on the rated voltage 6-35kV medium-voltage cable, and the main characteristic of the cable is to meet the requirement that the normal operation of a circuit can be ensured by flame burning at 950 ℃ for more than 180min, so that the medium-voltage power cable occupies an important position in a power system, the normal operation of the whole power system can be influenced by a single fire occurrence, and the fire-resistant requirement on the medium-voltage cable is continuously improved.
At present, the traditional fireproof cable on the market is not optimized enough in structure and is unreasonable in design.
Therefore, in order to enable the medium-voltage cable to be more suitable for the requirements of users, wear and fire resistance are achieved, the quality of the cable is improved, and a medium-voltage fire-resistant cable is urgently needed to solve the existing problems.
Disclosure of Invention
In view of the above, the utility model provides a medium voltage fire-resistant cable aiming at the defects of the prior art, which can enable the medium voltage cable to be more suitable for the requirements of users, realize wear resistance and fire resistance and improve the quality of the cable.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a middling pressure fire-resistant cable, includes the cable core body, and the lateral wall of cable core body is provided with the filling layer around installing the insulating layer around the insulating layer, around being provided with the fire-retardant layer of cable around the filling layer, around being provided with the cable fire-proof layer on the fire-retardant layer of cable, be provided with wear-resisting lug on the fire-proof layer of cable, around being provided with the protection overcoat on the wear-resisting lug, still paint one deck fire-proof coating layer on the protection overcoat.
The cable core body is a round copper glued conductor, the insulating layer is formed by compounding a synthetic mineral insulating tape and a high-temperature-resistant glass fiber tape, and is mainly prepared by taking alkali-resistant glass filaments as main raw materials through a special process, and the long-term temperature resistance is up to three hundred degrees, so that the requirements of users can be better met.
The cable fire-proof layer is made of glass fiber, and the glass fiber has remarkable characteristics in corrosion resistance, heat resistance and insulating property.
The flame-retardant layer is a flame-retardant ceramic low-smoke halogen-free fire-resistant composite wrapping tape.
The vertical section of the wear-resistant convex block is isosceles trapezoid, the wear-resistant convex block is made of heat-resistant silicon rubber, and the wear-resistant convex block is a high-temperature wire made of heat-resistant silicon rubber insulating silicon rubber and various metals, and the core material of the high-temperature wire is mainly processed by tin-plated copper.
The protective jacket is made of corrugated stainless steel, and the corrugated plate has the advantages of corrosion resistance, aging resistance, long service life and the like, even has no chemical reaction when in direct surface contact, is a high-quality material, and is durable.
Compared with the prior art, the utility model has the following beneficial effects:
the fireproof cable is favorable to improving the holistic fire-retardant performance of preventing fires, and the holistic fire-retardant performance of preventing fires is high, through the wear-resisting lug that sets up, helps improving holistic wear resistance and the skid resistance of preventing fires, is favorable to avoiding using for a long time to lead to the holistic wearing and tearing of fireproof cable seriously, is convenient for protect inner structure, helps prolonging holistic life of fireproof cable, and the protection overcoat can further improve the holistic stretch-proofing performance of improving fireproof cable, helps preventing the holistic fracture of fireproof cable, and stretch-proofing performance is high, and its structure is more optimized, design is more reasonable.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic three-dimensional structure of the present utility model;
FIG. 2 is a schematic three-dimensional structure of the present utility model;
fig. 3 is a schematic view of a partial enlarged structure of fig. 2 according to the present utility model.
In the figure: 101. a cable core body; 102. an insulating layer; 103. a filling layer; 104. a cable flame retardant layer; 105. a cable fire barrier; 106. wear-resistant protruding blocks; 107. a protective jacket; 108. a layer of fire retardant coating.
Detailed Description
For a better understanding of the present utility model, the following examples are set forth to further illustrate the utility model, but are not to be construed as limiting the utility model. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details.
As shown in fig. 1-3, a medium voltage fire-resistant cable comprises a cable core body 101, an insulating layer 102 is circumferentially arranged on the outer side wall of the cable core body 101, a filling layer 103 is arranged around the insulating layer 102, a cable flame-retardant layer 104 is circumferentially arranged around the filling layer 103, a cable fire-retardant layer 105 is circumferentially arranged on the cable flame-retardant layer 104, a wear-resistant protruding block 106 is arranged on the cable fire-retardant layer 105, a protective jacket 107 is circumferentially arranged on the wear-resistant protruding block 106, and a layer of fireproof coating 108 is further coated on the protective jacket 107.
As shown in fig. 3, the cable core body 101 is a circular copper glued conductor, the insulating layer 102 is formed by compounding a synthetic mineral insulating tape and a high-temperature-resistant glass fiber tape, and is mainly prepared by weaving with a special process, wherein alkali glass filaments are mainly used as main raw materials, and the long-term temperature resistance is up to three hundred degrees, so that the requirements of users can be better met; the cable fire-proof layer 105 is made of glass fiber, and the glass fiber has remarkable characteristics in corrosion resistance, heat resistance and insulating property; the flame-retardant layer is a flame-retardant ceramic low-smoke halogen-free fireproof composite wrapping tape; the vertical section of the wear-resistant lug 106 is isosceles trapezoid, the wear-resistant lug 106 is made of heat-resistant silicon rubber, and is a high-temperature wire made of heat-resistant silicon rubber insulating silicon rubber and various metals, the core material of the high-temperature wire is mainly processed by tin-plated copper, but in terms of specification, the wire is mainly divided into a high Wen Ruanxian wire and a high-voltage wire, so that a better heat-resistant effect can be achieved; the protective jacket 107 is made of corrugated stainless steel, and the corrugated plate has the advantages of corrosion resistance, aging resistance, long service life and the like, even has no chemical reaction in direct surface contact, is a high-quality material, is durable, has beautiful appearance, is convenient to install and detach, has soft handfeel, high strength, good elasticity and high fatigue resistance.
Furthermore, it should be noted that, in the description of the present utility model, 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 can be understood by those skilled in the art according to the specific circumstances.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (6)
1. A medium voltage fire resistant cable characterized by: including cable core body (101), insulating layer (102) are installed around the lateral wall of cable core body (101), be provided with filling layer (103) around insulating layer (102), around being provided with cable fire-retardant layer (104) around filling layer (103), around being provided with cable fire-retardant layer (105) on cable fire-retardant layer (104), be provided with wear-resisting lug (106) on cable fire-retardant layer (105), around being provided with protective overcoat (107) on wear-resisting lug (106), still paint one deck fire-proof paint layer (108) on protective overcoat (107).
2. The medium voltage fire resistant cable according to claim 1, characterized in that: the cable core body (101) is a round copper glued conductor, and the insulating layer (102) is formed by compounding a synthetic mineral insulating tape and a high-temperature-resistant glass fiber tape.
3. The medium voltage fire resistant cable according to claim 1, characterized in that: the cable fire barrier (105) is made of glass fiber.
4. The medium voltage fire resistant cable according to claim 1, characterized in that: the flame-retardant layer is a flame-retardant ceramic low-smoke halogen-free fire-resistant composite wrapping tape.
5. The medium voltage fire resistant cable according to claim 1, characterized in that: the vertical section of the wear-resistant convex block (106) is isosceles trapezoid, and the wear-resistant convex block (106) is made of heat-resistant silicon rubber.
6. The medium voltage fire resistant cable according to claim 1, characterized in that: the protective jacket (107) is made of corrugated stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322390519.2U CN220710003U (en) | 2023-09-04 | 2023-09-04 | Medium-voltage fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322390519.2U CN220710003U (en) | 2023-09-04 | 2023-09-04 | Medium-voltage fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220710003U true CN220710003U (en) | 2024-04-02 |
Family
ID=90438334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322390519.2U Active CN220710003U (en) | 2023-09-04 | 2023-09-04 | Medium-voltage fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220710003U (en) |
-
2023
- 2023-09-04 CN CN202322390519.2U patent/CN220710003U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |