CN203552775U - A flame retardation soft type rail-traffic-used direct current power cable - Google Patents
A flame retardation soft type rail-traffic-used direct current power cable Download PDFInfo
- Publication number
- CN203552775U CN203552775U CN201320636410.6U CN201320636410U CN203552775U CN 203552775 U CN203552775 U CN 203552775U CN 201320636410 U CN201320636410 U CN 201320636410U CN 203552775 U CN203552775 U CN 203552775U
- Authority
- CN
- China
- Prior art keywords
- layer
- flame
- track traffic
- electric cable
- insulation
- 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 description 30
- 239000003063 flame retardant Substances 0.000 claims description 21
- 238000009413 insulation Methods 0.000 claims description 19
- 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 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 229920002379 silicone rubber Polymers 0.000 claims description 7
- 239000004945 silicone rubber Substances 0.000 claims description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 4
- 229910000989 Alclad Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 241000283984 Rodentia Species 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model provides a flame retardation soft type rail-traffic-used direct current power cable comprising conductive wire cores and an oversheath layer wrapping the conductive wire cores. A semiconductive taped wrapping separating layer, an insulating layer, a water resistant belt taped wrapping layer, a flame retardation layer and an interlock type armor layer are sequentially arranged between the conductive wire cores and the oversheath layer. The flame retardation soft type rail-traffic-used direct current power cable of the utility model has good waterproof, fireproof and ratproof performances. The cable of the utility model has good bending performance, and is mainly applied to direct current electric power transmission of city rail traffic, electrified railways and subway lines which are with rated voltages of 1500V or below. The cable of the utility model is a flame retardation, soft-type direct current electric power cable, and can well satisfy requirements for usage environments of city track traffic.
Description
Technical field
The utility model relates to a kind of track traffic insulation DC electric cable, particularly a kind of flame-retardant flexible type track traffic insulation DC electric cable.
Background technology
Along with the high speed development of urban rail transit in China cause, the demand of cable for rail transit constantly increases.For the specific environment for use of track traffic, the insulation DC electric cable that requirement is applied in track traffic should be flame retardant type, and there is the characteristics such as low cigarette, Halogen, waterproof, protection against rodents, good bending and external force resistance damage, still, insulation DC electric cable of the prior art can not meet above requirement.
Utility model content
The purpose of this utility model is to provide a kind of flame-retardant flexible type track traffic insulation DC electric cable, and it can fire prevention, waterproof, protection against rodents, and good bending property.
For achieving the above object, the utility model adopts following technical scheme:
The utility model comprises conductor wire core and is wrapped in the external sheath layer on conductor wire core, sets gradually wrapped semiconductive coated conductor cable separator, insulating barrier, waterstop lapping layer, fireprotection layer and interlocking type armour between conductor wire core and external sheath layer.
Described waterstop lapping layer and fireprotection layer are provided for the integrated sheath of waterproof.
Described integrated sheath comprises the vertical alclad plastic composite strip and the pe sheath that are coated on successively waterstop lapping layer outside.
Described conductor wire core is by some annealed copper wires or the stranded conductor wire core forming of tin annealed copper wire.
The attach most importance to semiconductive waterstop of lap wound bag of the wrapped separator of described semiconductive.
Described insulating barrier is ethylene-propylene rubber extruded insulation layer.
The attach most importance to ceramic silicone rubber belt of 2～3 layers of lap wound bags of described fireprotection layer.
Described interlocking type armour is 5000 wrapped series alloys bands of interlocking.
Described fire-retardant external sheath layer is the halogen-free and low-smoke flame-retardant polyolefin plastic sheath extruding.
The beneficial effect the utlity model has: the utility model is due to the external sheath layer that conductor wire core is set and conductor wire core is wrapped up, between conductor wire core and external sheath layer, set gradually wrapped semiconductive coated conductor cable separator, insulating barrier, waterstop lapping layer, integrated sheath, fireprotection layer and interlocking type armour, make cable there is good waterproof, fire prevention, rodent-proof characteristic, the utility model cable bend performance is good, mainly be applicable to rated voltage 1500V and following urban track traffic, the direct current power transmission of electric railway and subway line, a kind of fire-retardant, soft type insulation DC electric cable, can be good at meeting the requirement of urban track traffic environment for use.
Further, conductor wire core of the present utility model adopts annealed copper wire or tin annealed copper wire, and through bunch, multiple burst, stranded form is stranded forms, and overlapping wrapped semiconductive water blocking tape layer outside conductor wire core, can play stable conductive wire core structure, guarantee when bending without distortion, can when cable moves, to Electric Field Distribution around conductor, play homogenization again, extend cable life.
In the utility model, overlapping wrapped water blocking tape layer and integrated sheath form waterproof construction, and integrated sheath Main Function is cable radial water-resisting, and overlapping wrapped water blocking tape layer Main Function is cable longitudinal water-blocking, improves the waterproof ability of this cable.
In the utility model, the wrapped ceramic silicone rubber belt of 2～3 plies forms fireprotection layer, and after ignition of cable, ceramic silicone rubber belt can decompose rapidly, and form " porcelain " material, be attached to outside cable integrated sheath, prevent that flame from continuing to spread, be better than the fire protecting performance of the existing construction of cable.
In the utility model, interlocking type armour consists of the 5000 wrapped series alloys bands of interlocking, bending radius is little, and armour sealing effectiveness is good, and after bending, armour sealing effectiveness is constant, more soft with respect to common wrapped armour, there is better fire prevention and anti-rat.
Accompanying drawing explanation
Fig. 1 is cross sectional representation of the present utility model.
Wherein, 1 is that conductor wire core, 2 is that the wrapped separator of semiconductive, 3 is that insulating barrier, 4 is that waterstop lapping layer, 5 is that integrated sheath, 6 is that fireprotection layer, 7 is that soft type armour, 8 is fire-retardant external sheath layer.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Refer to accompanying drawing 1, the utility model comprises conductor wire core 1, conductor wire core 1 is served as reasons many annealed copper wires or tin annealed copper wire through bunch, the multiple strand stranded flexible conductive core forming, the wrapped separator 2 of the wrapped semiconductive being formed by semiconductive waterstop on conductor wire core 1, in the wrapped separator of semiconductive 2 outsides, extrude the ethylene-propylene rubber extruded insulation layer (EPR) 3 as insulated wire cores, in the outside of insulating barrier 3, setting gradually overlapping wrapped waterstop lapping layer 4(is water blocking layer), integrated sheath 5(i.e. vertical bag aluminum plastic belt moisture-proof layer), integrated sheath 5 comprises the vertical alclad plastic composite strip and the pe sheath that are coated on successively waterstop lapping layer 4 outsides, in integrated sheath 5 arranged outside by fireprotection layer coated integrated sheath 56, fireprotection layer 6 consists of the ceramic silicone rubber belt of overlapping wrapped 2～3 layers, the soft type lock armo layer 7 being formed by the 5000 wrapped series alloys bands of interlocking in fireprotection layer 6 arranged outside, lock armo layer 7, by coated fireprotection layer 6, extrudes the fire-retardant external sheath layer 8 consisting of halogen-free and low-smoke flame-retardant polyolefin plastics in interlocking type armour 7 outsides.
Conductor of the present utility model (being wire core) adopts annealed copper wire or tin annealed copper wire, and through bunch, multiple burst, stranded form is stranded forms, and the outer overlapping wrapped semiconductive water blocking tape layer of conductor, can play stable conductive wire core structure, guarantee when bending without distortion, can when cable moves, to Electric Field Distribution around conductor, play homogenization again, extend cable life.
Waterproof construction of the present utility model consists of overlapping wrapped water blocking tape layer and integrated sheath, and integrated sheath Main Function is cable radial water-resisting, and overlapping wrapped water blocking tape layer Main Function is cable longitudinal water-blocking, improves the waterproof ability of this cable.
Fire resistive construction of the present utility model consists of the wrapped ceramic silicone rubber belt of 2～3 plies, and after ignition of cable, ceramic silicone rubber belt can decompose rapidly, and form " porcelain " material, be attached to outside cable integrated sheath, prevent that flame from continuing to spread, be better than the existing construction of cable.
Interlocking type armour of the present utility model consists of the 5000 wrapped series alloys bands of interlocking, bending radius is little, and armour sealing effectiveness is good, and after bending, armour sealing effectiveness is constant, more soft with respect to common wrapped armour, there is better fire prevention and anti-rat.
The utility model is due to the external sheath layer that conductor wire core is set and conductor wire core is wrapped up, between conductor wire core and external sheath layer, set gradually wrapped semiconductive coated conductor cable separator, insulating barrier, waterstop lapping layer, integrated sheath, fireprotection layer and interlocking type armour, make cable there is good waterproof, fire prevention, rodent-proof characteristic, the utility model cable bend performance is good, can be used for the occasions such as subway, light rail.
Above embodiment is only for the utility model is described, but not for limiting the utility model.
Claims (9)
1. a flame-retardant flexible type track traffic insulation DC electric cable, it is characterized in that, comprise conductor wire core (1) and be wrapped in the external sheath layer (8) on conductor wire core (1), between conductor wire core (1) and external sheath layer (8), set gradually the wrapped separator of semiconductive (2) coated conductor cable (1), insulating barrier (3), waterstop lapping layer (4), fireprotection layer (6) and interlocking type armour (7).
2. a kind of flame-retardant flexible type track traffic insulation DC electric cable according to claim 1, is characterized in that, described waterstop lapping layer (4) and fireprotection layer (6) are provided for the integrated sheath (5) of waterproof.
3. a kind of flame-retardant flexible type track traffic insulation DC electric cable according to claim 2, is characterized in that, described integrated sheath (5) comprises the vertical alclad plastic composite strip and the pe sheath that are coated on successively waterstop lapping layer (4) outside.
4. a kind of flame-retardant flexible type track traffic insulation DC electric cable according to claim 1, is characterized in that, described conductor wire core (1) is by some annealed copper wires or the stranded conductor wire core forming of tin annealed copper wire.
5. a kind of flame-retardant flexible type track traffic insulation DC electric cable according to claim 1, is characterized in that, the attach most importance to semiconductive waterstop of lap wound bag of the wrapped separator of described semiconductive (2).
6. a kind of flame-retardant flexible type track traffic insulation DC electric cable according to claim 1, is characterized in that, described insulating barrier (3) is ethylene-propylene rubber extruded insulation layer.
7. a kind of flame-retardant flexible type track traffic insulation DC electric cable according to claim 1, is characterized in that, the attach most importance to ceramic silicone rubber belt of 2～3 layers of lap wound bags of described fireprotection layer (6).
8. a kind of flame-retardant flexible type track traffic insulation DC electric cable according to claim 1, is characterized in that, described interlocking type armour (7) is 5000 wrapped series alloys bands of interlocking.
9. a kind of flame-retardant flexible type track traffic insulation DC electric cable according to claim 1, is characterized in that, the halogen-free and low-smoke flame-retardant polyolefin plastic sheath of described fire-retardant external sheath layer (8) for extruding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320636410.6U CN203552775U (en) | 2013-10-15 | 2013-10-15 | A flame retardation soft type rail-traffic-used direct current power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320636410.6U CN203552775U (en) | 2013-10-15 | 2013-10-15 | A flame retardation soft type rail-traffic-used direct current power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203552775U true CN203552775U (en) | 2014-04-16 |
Family
ID=50470856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320636410.6U Expired - Lifetime CN203552775U (en) | 2013-10-15 | 2013-10-15 | A flame retardation soft type rail-traffic-used direct current power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203552775U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112538A (en) * | 2014-07-09 | 2014-10-22 | 安徽华菱电缆集团有限公司 | Aluminum-alloy medium-voltage fireproof power cable |
| CN104751963A (en) * | 2015-03-27 | 2015-07-01 | 安徽华电线缆集团有限公司 | 1500 V soft direct current cable capable of preventing mice, temites, and ultraviolet and blocking water |
-
2013
- 2013-10-15 CN CN201320636410.6U patent/CN203552775U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112538A (en) * | 2014-07-09 | 2014-10-22 | 安徽华菱电缆集团有限公司 | Aluminum-alloy medium-voltage fireproof power cable |
| CN104751963A (en) * | 2015-03-27 | 2015-07-01 | 安徽华电线缆集团有限公司 | 1500 V soft direct current cable capable of preventing mice, temites, and ultraviolet and blocking water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: XI'AN XD CABLE CO.,LTD. Assignor: CHINA XD Group Contract record no.: 2014610000108 Denomination of utility model: A flame retardation soft type rail-traffic-used direct current power cable Granted publication date: 20140416 License type: Exclusive License Record date: 20140723 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |