CN203882712U - A medium voltage cable used for rail transit - Google Patents
A medium voltage cable used for rail transit Download PDFInfo
- Publication number
- CN203882712U CN203882712U CN201420295743.1U CN201420295743U CN203882712U CN 203882712 U CN203882712 U CN 203882712U CN 201420295743 U CN201420295743 U CN 201420295743U CN 203882712 U CN203882712 U CN 203882712U
- Authority
- CN
- China
- Prior art keywords
- layer
- voltage cable
- conductor
- track traffic
- sheath
- 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.)
- Expired - Lifetime
Links
- 239000004020 conductor Substances 0.000 claims abstract description 35
- 238000009413 insulation Methods 0.000 claims abstract description 21
- 239000000779 smoke Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 229920000098 polyolefin Polymers 0.000 claims abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 6
- 239000002131 composite material Substances 0.000 claims abstract description 5
- 230000004888 barrier function Effects 0.000 claims description 24
- 239000003063 flame retardant Substances 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 12
- 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
- 239000000945 filler Substances 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 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
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052736 halogen Inorganic materials 0.000 abstract description 8
- 150000002367 halogens Chemical class 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 239000012774 insulation material Substances 0.000 abstract description 6
- 239000004698 Polyethylene Substances 0.000 abstract description 3
- -1 polyethylene Polymers 0.000 abstract description 3
- 229920000573 polyethylene Polymers 0.000 abstract description 3
- 241000283984 Rodentia Species 0.000 description 7
- 239000002253 acid Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 241000256602 Isoptera Species 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model relates to the technical field of power cables, and specifically relates to a medium voltage cable used for rail transit. The medium voltage cable used for the rail transit comprises at least three wire cores. Each wire core comprises a conductor; a conductor shielding layer wraps the conductor in an extruded mode; an insulating layer is arranged outside the conductor shielding layer; an insulation shielding layer is arranged outside the insulating layer; a metal shielding layer is arranged outside the insulation shielding layer; a longitudinal water resistant layer wraps the outer side of the metal shielding layer in a longitudinal direction; and a radial water proof layer wraps the longitudinal water resistant layer in a lapped mode. Halogen-free low smoke flame retardation polyolefin insulation materials are employed; the outer side of the insulation is longitudinally wrapped by a layer of plastic-aluminum composite belt; and the layer of plastic-aluminum composite belt is further wrapped by a water resistant belt; an inner sheath employs halogen free low smoke flame retardation polyethylene sheath materials so as to realize excellent effects in aspects of water resisting and moisture resisting; and the insulation, an inner protection layer and an oversheath all employ halogen-free insulation materials, so that the sheath materials have a green environmental protection effect in the environmental protection aspect and fully exert rat-proof, termite-proof and anti ultraviolet effects.
Description
Technical field
The utility model relates to power cable technical field, is a kind of track traffic midium voltage cable specifically.
Background technology
Along with the high speed development of urban rail transit in China cause, track traffic also constantly increases by the demand of midium voltage cable.According to data, in the coming years, China will have more than 20 city plan to build subway and light rail, and total kilometrage reaches 850 km; To the year two thousand twenty, the rail line overall length of China will reach 2200 km left and right.And that power cable for rail transit lays environment water level is higher, and require the material that cable volatilizes to there is LSZH, the feature such as prevent that under adverse circumstances stinging of mouse and termite from biting, common crosslinked cable performance can not meet far away.
Be CN200820223387.7, the applying date to be that 2008-12-12, name are called the Chinese utility model patent of " the anti-lv power cable of biting of the fire-resistant environment-friendly waterproof of urban track traffic " as number of patent application, its technical scheme is as follows: the utility model discloses the anti-lv power cable of biting of the fire-resistant environment-friendly waterproof of a kind of urban track traffic, comprise conductor, insulating barrier, waterproof oxygen barrier layer and restrictive coating, between conductor and insulating barrier, be provided with refractory insulating layer, between insulating barrier and waterproof oxygen barrier layer, be provided with glass fibre belt; Described waterproof oxygen barrier layer comprises plastic-aluminum combined belt and polyolefin layer; Described restrictive coating comprises armour and polyolefin outer jacket.
Although above-mentioned patent has proposed technological improvement to power cable, its power cable protection against rodents, termite-proof poor effect, and uvioresistant effect is bad, easily season cracking.
Summary of the invention
The problems referred to above that exist in order to overcome existing cable, propose a kind of LSZH, fire-retardant, waterproof, protection against the tide, protection against rodents, termite-proof, anti-ultraviolet track traffic midium voltage cable now.
Concrete scheme of the present utility model is as follows:
A kind of track traffic midium voltage cable, it is characterized in that: comprise at least three cores, every core comprises conductor, described conductor is extruded with conductor shield outward, and described conductor shield is outside equipped with insulating barrier, and described insulating barrier is outside equipped with insulation screen, described insulation screen is outside equipped with metal screen layer, described metal screen layer outside is vertical is surrounded by longitudinal water-blocking layer, and described longitudinal water-blocking layer is surrounded with radially watertight composition outward, and described radially watertight composition has extruded separation sleeve outward; The skin of described many cores is extruded with fire-retardant sheath, and described sheath is surrounded with armour outward, and described armour has extruded fire-retardant outer jacket; Between described sheath and many cores, be provided with filler.
Described insulating barrier is waterproof tree crosslinked polyethylene layer.
Described metal screen layer is copper belt.
Described insulating barrier is low smoke halogen-free flame-retardant polyolefin insulating barrier, and described longitudinal water-blocking layer is double-sided aluminum plastic composite band, and described radially watertight composition is waterstop.
Described filler is high flame retardant inorganic paper filling rope.
Described sheath and separation sleeve are LSOH anti-flaming pe sheath layer, and described armour is galvanized steel strip, and described outer jacket is halogen-free and low-smoke flame-retardant polyolefin sheathed layer.
The mutual twisted synthesizing cable of described core.
Described conductor longitudinal cross-section is circular.
Described conductor is copper conductor.
Described insulation screen is general midium voltage cable ultrapurification strippable shielding structure.Described conductor shield is general midium voltage cable ultrapurification shielding construction.
The utility model has the advantage of:
1, the utility model can meet LSZH, fire-retardant, waterproof, protection against the tide, protection against rodents, termite-proof, anti-ultraviolet requirement, than the better effects if of common crosslinked cable.Smoke density≤150 when LSOH anti-flaming is passed through Plastics Combustion or decomposes, halogen acid gas content≤5mg/g, pH value >=5.0, waterproof and dampproof by cable water test in 72 hours, uvioresistant can be passed through UV ageing test, within 24 hours, does not ftracture.
2, the utility model insulation adopts halogen-free and low-smoke flame-retardant polyolefin Insulation Material, the outer vertical bag one deck aluminium-plastic tape of insulation, wrapped one deck waterstop, inner sheath adopts LSOH anti-flaming polyethylene sheath material, in waterproof, moistureproof aspect plays good effect, insulation, sheath, oversheath all adopts not halogen-containing Insulation Material, protective cover material has played especially the effect of environmental protection aspect environmental protection, oversheath adopts rat-and-ant proof, the low smoke, zero halogen of ultra-violet radiation resisting auxiliary agent hinders right polyolefin jacket material, in the wild under adverse circumstances, fully play protection against rodents, termite-proof, the effect of antiultraviolet.
Brief description of the drawings
Fig. 1 is the utility model schematic cross-section.
In figure: 1 is conductor, 2 is conductor shield, and 3 is insulating barrier, and 4 is insulation screen, and 5 is metal screen layer, and 6 is longitudinal water-blocking layer, and 7 is watertight composition radially, and 8 is separation sleeve, and 9 is filler, and 10 is sheath, and 11 is armour, and 12 is outer jacket.
Embodiment
Embodiment 1
A kind of track traffic comprises at least three cores with midium voltage cable, every core comprises conductor 1, the outer conductor shield 2 that is extruded with of described conductor 1, described conductor shield 2 is outside equipped with insulating barrier 3, described insulating barrier 3 is outside equipped with insulation screen 4, and described insulation screen 4 is outside equipped with metal screen layer 5, the vertical longitudinal water-blocking layer 6 that is surrounded by described metal screen layer 5 outsides, the outer radially watertight composition 7 that is surrounded with of described longitudinal water-blocking layer 6, the outer separation sleeve 8 that extruded of described radially watertight composition 7; The skin of described many cores is extruded with fire-retardant sheath 10, and described sheath 10 is outer is surrounded with armour 11, and described armour 11 has extruded fire-retardant outer jacket 12; Between described sheath 10 and many cores, be provided with filler 9.The utility model can meet LSZH, fire-retardant, waterproof, protection against the tide, protection against rodents, termite-proof, anti-ultraviolet requirement, than the better effects if of common crosslinked cable.Smoke density≤150 when LSOH anti-flaming is passed through Plastics Combustion or decomposes, halogen acid gas content≤5mg/g, pH value >=5.0, waterproof and dampproof by cable water test in 72 hours, uvioresistant can be passed through UV ageing test, within 24 hours, does not ftracture.
Embodiment 2
Track traffic comprises at least three cores with midium voltage cable, every core comprises conductor 1, the outer conductor shield 2 that is extruded with of described conductor 1, described conductor shield 2 is outside equipped with insulating barrier 3, described insulating barrier 3 is outside equipped with insulation screen 4, and described insulation screen 4 is outside equipped with metal screen layer 5, the vertical longitudinal water-blocking layer 6 that is surrounded by described metal screen layer 5 outsides, the outer radially watertight composition 7 that is surrounded with of described longitudinal water-blocking layer 6, the outer separation sleeve 8 that extruded of described radially watertight composition 7; The skin of described many cores is extruded with fire-retardant sheath 10, and described sheath 10 is outer is surrounded with armour 11, and described armour 11 has extruded fire-retardant outer jacket 12; Between described sheath 10 and many cores, be provided with filler 9.
Described insulating barrier 3 is waterproof tree crosslinked polyethylene layer.Described metal screen layer 5 is copper belt.Described insulating barrier 3 is low smoke halogen-free flame-retardant polyolefin insulating barrier, and described longitudinal water-blocking layer 6 is double-sided aluminum plastic composite band, and described radially watertight composition 7 is waterstop.Described filler 9 is high flame retardant inorganic paper filling rope.Described sheath 10 and separation sleeve 8 are LSOH anti-flaming pe sheath layer, and described armour 11 is galvanized steel strip, and described outer jacket 12 is halogen-free and low-smoke flame-retardant polyolefin sheathed layer.
The mutual twisted synthesizing cable of described core.Described conductor 1 longitudinal cross-section is circular.Described conductor 1 is copper conductor 1.Described insulation screen 4 is general midium voltage cable ultrapurification strippable shielding structure.Described conductor shield 2 is general midium voltage cable ultrapurification shielding construction.
The utility model can meet LSZH, fire-retardant, waterproof, protection against the tide, protection against rodents, termite-proof, anti-ultraviolet requirement, than the better effects if of common crosslinked cable.Smoke density≤150 when LSOH anti-flaming is passed through Plastics Combustion or decomposes, halogen acid gas content≤5mg/g, pH value >=5.0, waterproof and dampproof by cable water test in 72 hours, uvioresistant can be passed through UV ageing test, within 24 hours, does not ftracture.The utility model insulation adopts halogen-free and low-smoke flame-retardant polyolefin Insulation Material, the outer vertical bag one deck aluminium-plastic tape of insulation, wrapped one deck waterstop, inner sheath adopts LSOH anti-flaming polyethylene sheath material, in waterproof, moistureproof aspect plays good effect, insulation, sheath 10, oversheath all adopts not halogen-containing Insulation Material, protective cover material has played especially the effect of environmental protection aspect environmental protection, oversheath adopts rat-and-ant proof, the low smoke, zero halogen of ultra-violet radiation resisting auxiliary agent hinders right polyolefin jacket material, in the wild under adverse circumstances, fully play protection against rodents, termite-proof, the effect of antiultraviolet.
Claims (9)
1. a track traffic midium voltage cable, it is characterized in that: comprise at least three cores, every core comprises conductor (1), the outer conductor shield (2) that is extruded with of described conductor (1), described conductor shield (2) is outside equipped with insulating barrier (3), described insulating barrier (3) is outside equipped with insulation screen (4), described insulation screen (4) is outside equipped with metal screen layer (5), the vertical longitudinal water-blocking layer (6) that is surrounded by described metal screen layer (5) outside, the outer radially watertight composition (7) that is surrounded with of described longitudinal water-blocking layer (6), the outer separation sleeve (8) that extruded of described radially watertight composition (7), the skin of described many cores is extruded with fire-retardant sheath (10), and described sheath (10) is outer is surrounded with armour (11), and described armour (11) has extruded fire-retardant outer jacket (12), between described sheath (10) and many cores, be provided with filler (9).
2. track traffic midium voltage cable according to claim 1, is characterized in that: described insulating barrier (3) is waterproof tree crosslinked polyethylene layer.
3. track traffic midium voltage cable according to claim 2, is characterized in that: described metal screen layer (5) is copper belt.
4. track traffic midium voltage cable according to claim 3, is characterized in that: described insulating barrier (3) is low smoke halogen-free flame-retardant polyolefin insulating barrier, and described longitudinal water-blocking layer (6) is double-sided aluminum plastic composite band, and described radially watertight composition (7) is waterstop.
5. track traffic midium voltage cable according to claim 4, is characterized in that: described filler (9) is high flame retardant inorganic paper filling rope.
6. track traffic midium voltage cable according to claim 5, it is characterized in that: described sheath (10) and separation sleeve (8) are LSOH anti-flaming pe sheath layer, described armour (11) is galvanized steel strip, and described outer jacket (12) is halogen-free and low-smoke flame-retardant polyolefin sheathed layer.
7. track traffic midium voltage cable according to claim 6, is characterized in that: the mutual twisted synthesizing cable of described core.
8. track traffic midium voltage cable according to claim 7, is characterized in that: described conductor (1) longitudinal cross-section is for circular.
9. track traffic midium voltage cable according to claim 8, is characterized in that: described conductor (1) is copper conductor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295743.1U CN203882712U (en) | 2014-06-05 | 2014-06-05 | A medium voltage cable used for rail transit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295743.1U CN203882712U (en) | 2014-06-05 | 2014-06-05 | A medium voltage cable used for rail transit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203882712U true CN203882712U (en) | 2014-10-15 |
Family
ID=51683187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420295743.1U Expired - Lifetime CN203882712U (en) | 2014-06-05 | 2014-06-05 | A medium voltage cable used for rail transit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203882712U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070372A (en) * | 2015-08-12 | 2015-11-18 | 江苏中煤电缆有限公司 | Medium-voltage plastic insulation fireproof electric wire cable |
| CN106158076A (en) * | 2016-08-26 | 2016-11-23 | 无锡江南电缆有限公司 | Copper core crosslinked polyetylene insulated low smoke, zero halogen protection against rodents Anti-termite flame-retardant power cable |
| CN106384624A (en) * | 2016-09-08 | 2017-02-08 | 武汉宏联电线电缆有限公司 | Single core rail transit power cable with rated voltage of 35KV |
| CN107887068A (en) * | 2017-11-27 | 2018-04-06 | 安徽上缆防火科技股份有限公司 | Pressure shielding flame retardant cable in a kind of isolated form |
| CN110211734A (en) * | 2019-07-04 | 2019-09-06 | 中特华星电缆股份有限公司 | A kind of high life tunnel culvert cable |
-
2014
- 2014-06-05 CN CN201420295743.1U patent/CN203882712U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070372A (en) * | 2015-08-12 | 2015-11-18 | 江苏中煤电缆有限公司 | Medium-voltage plastic insulation fireproof electric wire cable |
| CN106158076A (en) * | 2016-08-26 | 2016-11-23 | 无锡江南电缆有限公司 | Copper core crosslinked polyetylene insulated low smoke, zero halogen protection against rodents Anti-termite flame-retardant power cable |
| CN106384624A (en) * | 2016-09-08 | 2017-02-08 | 武汉宏联电线电缆有限公司 | Single core rail transit power cable with rated voltage of 35KV |
| CN107887068A (en) * | 2017-11-27 | 2018-04-06 | 安徽上缆防火科技股份有限公司 | Pressure shielding flame retardant cable in a kind of isolated form |
| CN110211734A (en) * | 2019-07-04 | 2019-09-06 | 中特华星电缆股份有限公司 | A kind of high life tunnel culvert cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 618200 Taizhou Road, Jiangsu Industrial Park, Sichuan, Deyang, No. 2, No. Patentee after: AVIC Baosheng Cable Co. Ltd. (Sichuan) Address before: 618200 Taizhou Road, Jiangsu Industrial Park, Sichuan, Deyang, No. 2, No. Patentee before: Sichuan Jinrui Electric Co., Ltd. |