CN205247916U - Cross -linked polyethylene insulated power cable for coal mines - Google Patents
Cross -linked polyethylene insulated power cable for coal mines Download PDFInfo
- Publication number
- CN205247916U CN205247916U CN201520955456.3U CN201520955456U CN205247916U CN 205247916 U CN205247916 U CN 205247916U CN 201520955456 U CN201520955456 U CN 201520955456U CN 205247916 U CN205247916 U CN 205247916U
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- Prior art keywords
- layer
- fire
- conductor
- retardant
- cross
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Links
- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 18
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 18
- 239000003245 coal Substances 0.000 title claims abstract description 14
- 239000004020 conductor Substances 0.000 claims abstract description 29
- 239000003063 flame retardant Substances 0.000 claims abstract description 29
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 17
- 239000000779 smoke Substances 0.000 claims abstract description 17
- 150000002367 halogens Chemical class 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims abstract description 13
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003365 glass fiber Substances 0.000 claims abstract description 7
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 7
- 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 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000010425 asbestos Substances 0.000 claims description 5
- 229910052895 riebeckite Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 2
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 229920000915 polyvinyl chloride Polymers 0.000 abstract description 5
- 239000004800 polyvinyl chloride Substances 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 238000005253 cladding Methods 0.000 abstract 2
- 239000011810 insulating material Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 238000012946 outsourcing Methods 0.000 abstract 1
- 238000003878 thermal aging Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a cross -linked polyethylene insulated power cable for coal mines, there is conductor shield in conductor outside cladding in proper order, the fire -retardant band layer of taking of low smoke and zero halogen, the crosslinked polyethylene insulating layer, half conductor insulation shielding layer and iron shielded layer constitute the conductor sinle silk, there is fire -retardant butyronitrile inner liner in three conductor sinle silks outside cladding in proper order, the outsourcing lacing, interior sheath, armor and outer jacket, the clearance intussuseption is filled with fire -retardant asbest rope filling layer between conductor sinle silk and the fire -retardant butyronitrile inner liner, it has the glass fiber silk to fill between interior sheath and the armor, interior sheath and outer jacket are the fire -retardant ethylene vinyl acetate rubber of low -smoke low -halogen. It adopts the insulating material of crosslinked polyethylene to replace polyvinyl chloride, through fire resistance, insulating property and the heat resistance of reinforced insulation and restrictive coating, increases substantially thermal aging, insulating nature, resistance to chemical corrosion and fire behaviour to it increases the mechanical strength of cable to add outer cover structure.
Description
Technical field
The utility model relates to power cable technical field, especially relates to a kind of colliery crosslinked polyethylene exhaustedEdge power cable.
Background technology
The normal PVC insulated power cable that adopts in the electric line fixedly laying under coal mine, still,Polyvinyl chloride contains halogen in the time that cable runs into calcination or fire condition, and burning will produce the harm such as hydrogen chlorideThe poisonous gas of health, brings to the personnel of downhole cable repair or chance fire disaster escaping greatlyPotential safety hazard. In recent years, along with the fast development of power cable industry, power cable with cross-linked polyethylene insulationProduct have started to widely popularize application gradually as an alternative. Due to operating environment comparatively severe under coal mine,Cable often breaks down, and be generally mechanical external force and cause breakage to cause short circuit, open circuit and electric leakage accident, withAnd cable insulation suffers the problems such as galvano-cautery, cause equipment to stop operating, affect user's use, andBring greatest loss to user. Therefore, how to apply power cable with cross-linked polyethylene insulation, and increaseThe anti-flammability of forceful electric power cable, electrical insulating property, the technological innovation that improves wearability, anti-external mechanical influence power becomesIndustry is sought the key point of technological break-through.
Utility model content
The utility model is for the deficiencies in the prior art, and technical problem to be solved is to provide a kind of colliery and usesPower cable with cross-linked polyethylene insulation, it adopts crosslinked polyetylene insulated material to substitute polyvinyl chloride, by increasingAnti-flammability, electrical insulating property and the heat resistance of strong insulation and restrictive coating, increase substantially heat-resistant aging, insulationProperty, chemical resistance and fire resistance, and increase the mechanical strength of cable by setting up sheathed structure, carryHigh erosion prevention, increases the service life.
The utility model is to make by the following technical programs above-mentioned technical problem be solved.
Cross-linked polyethylene insulated power cable for coal mines, comprises that cross section is three circular conductors, conductor outsideBe coated with successively conductor shield, low-smoke non-halogen flame-retardant band belting layer, crosslinked polyetylene insulated layer, semiconductorInsulation screen and metal screen layer form conductor thread core, and three conductor thread core outsides are coated with fire-retardant successivelyButyronitrile inner liner, outer belting layer, sheath, armor and outer jacket, conductor thread core and fire-retardant butyronitrile linerBetween layer, in gap, be filled with fire-retardant asbestos cord packed layer, between sheath and armor, be filled with glass fibreSilk, sheath and outer jacket are low smoke and low halogen ethylene vinyl acetate rubber.
As preferably, semiconducting insulation screen layer is ethylene vinyl acetate and hydrogenated nitrile-butadiene rubber mixture.
As preferably, metal screen layer is copper wire or copper strip shielding layer.
As preferably, between low-smoke non-halogen flame-retardant band belting layer and crosslinked polyetylene insulated layer, be filled with glass fibersDimension silk.
As preferably, outer belting layer is low-smoke non-halogen flame-retardant band material-structure.
As preferably, armor is steel band, finer wire or thicker wire sheathed structure.
As preferably, conductor is for pressing copper free wire.
The beneficial effects of the utility model:
1. be applicable to the defeated of rated voltage 0.6/1kV, 1.8/3kV, 3.6/6kV, 6/6kV, 6/10kV, 8.7/10kVDistribution line, can substitute oil-impregnated paper insulation power cable completely and part substitutes polyvinyl chloride insulation electric power electricityCable.
2. the closely knit compactness of the construction of cable, has relative sliding between each element, by setting up low-smoke non-halogen flame-retardant band bagBelt, outer belting layer, filled glass fiber silk, makes it have better anti-flammability, heat resistance and resistance toChemical corrosion resistance.
3. filled glass fiber silk can keep cable to have certain flexibility and resistance to bend(ing).
4. sheath and outer jacket adopt low smoke and low halogen ethylene vinyl acetate rubber composition, have significantly strengthenedThe anti-flammability of cable and electrical insulating property, improved decay resistance.
5. strengthened tensile strength, compression strength, external force resistance performance of cable etc. by sheathed structure is set, improvedErosion prevention, has improved the quality of cable, has extended service life.
6. greatly strengthened fire resistant flame retardant by fill fire-retardant asbestos cord between conductor thread core and fire-retardant butyronitrile inner linerPerformance, is difficult for fusing after being heated, ensured the electrical characteristic of cable excellence.
Brief description of the drawings
Fig. 1 is section structure schematic diagram of the present utility model.
In figure: 1-conductor, 2-conductor shield, 3-low-smoke non-halogen flame-retardant band belting layer, the crosslinked polyetylene insulated layer of 4-,5-semiconducting insulation screen layer, 6-metal screen layer, the fire-retardant butyronitrile inner liner of 7-, the outer belting layer of 8-, protects in 9-Layer, 10-armor, 11-outer jacket, the fire-retardant asbestos cord packed layer of 12-.
Detailed description of the invention
Also by reference to the accompanying drawings the utility model is described in detail below by embodiment.
The utility model cross-linked polyethylene insulated power cable for coal mines as shown in Figure 1, is applicable to specified electricityPress the electric line of 0.6/1kV, 1.8/3kV, 3.6/6kV, 6/6kV, 6/10kV, 8.7/10kV. CompriseCross section is three circular conductors 1, and conductor 1 is chosen as and presses copper free wire. Conductor 1 outside is coated with successivelyConductor shield 2, low-smoke non-halogen flame-retardant band belting layer 3, crosslinked polyetylene insulated layer 4, semiconducting insulation screenCover layer 5 and metal screen layer 6 and form conductor thread core, semiconducting insulation screen layer 5 is preferably ethene acetic acidVinyl acetate and hydrogenated nitrile-butadiene rubber mixture, strengthen anti-flammability and electrical insulating property, and metal screen layer 6 is copper wireOr copper strip shielding layer. Can be chosen between low-smoke non-halogen flame-retardant band belting layer 3 and crosslinked polyetylene insulated layer 4Be filled with glass fiber, in maintenance certain flexibility and resistance to bend(ing), further strengthen electricity absolutelyEdge and heat resistance. Three conductor thread cores outside be coated with successively fire-retardant butyronitrile inner liner 7, outer belting layer 8,Sheath 9, armor 10 and outer jacket 11, fill out in gap between conductor thread core and fire-retardant butyronitrile inner liner 7Be filled with fire-retardant asbestos cord packed layer 12, strengthening fire resistant flame retardant performance, is difficult for fusing after being heated, ensured cableExcellent electrical characteristic. Between sheath 9 and armor 10, be filled with glass fiber, sheath 9 and outerSheath 11 is low smoke and low halogen ethylene vinyl acetate rubber. Outer belting layer 8 can adopt low smoke and zero halogen resistanceCombustion band material-structure. Armor 10 is selected steel band, finer wire or thicker wire sheathed structure.
The utility model is not limited to above-described preferred embodiment, based on those skilled in the art instituteThe known technology that can know or adopt various distortion that institute in prior art can equivalence replacement and changeEmbodiment, every based on spirit of the present utility model or technical conceive, all should be included in the utility modelProtection domain within.
Claims (7)
1. cross-linked polyethylene insulated power cable for coal mines, is characterized in that: comprise that cross section is circular three conductors (1),Conductor (1) outside is coated with conductor shield (2), low-smoke non-halogen flame-retardant band belting layer (3), crosslinked successivelyPolyethylene layer (4), semiconducting insulation screen layer (5) and metal screen layer (6) form conductor linesCore, three conductor thread cores outside be coated with successively fire-retardant butyronitrile inner liner (7), outer belting layer (8), in protectLayer (9), armor (10) and outer jacket (11), between conductor thread core and fire-retardant butyronitrile inner liner (7)In gap, be filled with fire-retardant asbestos cord packed layer (12), between sheath (9) and armor (10), fillHave glass fiber, sheath (9) and outer jacket (11) are low smoke and low halogen ethylene vinyl acetateRubber.
2. cross-linked polyethylene insulated power cable for coal mines according to claim 1, is characterized in that: semiconductor is exhaustedEdge screen layer (5) is ethylene vinyl acetate and hydrogenated nitrile-butadiene rubber mixture.
3. cross-linked polyethylene insulated power cable for coal mines according to claim 1, is characterized in that: metallic shieldLayer (6) is copper wire or copper strip shielding layer.
4. cross-linked polyethylene insulated power cable for coal mines according to claim 1, is characterized in that: low smoke and zero halogenBetween inhibiting tape belting layer (3) and crosslinked polyetylene insulated layer (4), be filled with glass fiber.
5. cross-linked polyethylene insulated power cable for coal mines according to claim 1, is characterized in that: outer belting layer(8) be low-smoke non-halogen flame-retardant band material-structure.
6. cross-linked polyethylene insulated power cable for coal mines according to claim 1, is characterized in that: armor(10) be steel band, finer wire or thicker wire sheathed structure.
7. cross-linked polyethylene insulated power cable for coal mines according to claim 1, is characterized in that: conductor (1)For pressing copper free wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520955456.3U CN205247916U (en) | 2015-11-26 | 2015-11-26 | Cross -linked polyethylene insulated power cable for coal mines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520955456.3U CN205247916U (en) | 2015-11-26 | 2015-11-26 | Cross -linked polyethylene insulated power cable for coal mines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205247916U true CN205247916U (en) | 2016-05-18 |
Family
ID=55946998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520955456.3U Expired - Fee Related CN205247916U (en) | 2015-11-26 | 2015-11-26 | Cross -linked polyethylene insulated power cable for coal mines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205247916U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036674A (en) * | 2018-09-10 | 2018-12-18 | 贵州西南制造产业园有限公司 | A kind of coal mine cable with protective jacket |
| CN109712752A (en) * | 2018-12-30 | 2019-05-03 | 新沂博瑞工业设计有限公司 | A kind of flame retardant type power cable |
| CN114038616A (en) * | 2021-11-26 | 2022-02-11 | 广东穗星电缆实业有限公司 | High-temperature-resistant flame-retardant cable |
-
2015
- 2015-11-26 CN CN201520955456.3U patent/CN205247916U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036674A (en) * | 2018-09-10 | 2018-12-18 | 贵州西南制造产业园有限公司 | A kind of coal mine cable with protective jacket |
| CN109712752A (en) * | 2018-12-30 | 2019-05-03 | 新沂博瑞工业设计有限公司 | A kind of flame retardant type power cable |
| CN114038616A (en) * | 2021-11-26 | 2022-02-11 | 广东穗星电缆实业有限公司 | High-temperature-resistant flame-retardant cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |