CN203644451U - Large-cross-section copper wire sparsely wound shielding water-blocking halogen-free flame-retardant power cable - Google Patents
Large-cross-section copper wire sparsely wound shielding water-blocking halogen-free flame-retardant power cable Download PDFInfo
- Publication number
- CN203644451U CN203644451U CN201320704472.6U CN201320704472U CN203644451U CN 203644451 U CN203644451 U CN 203644451U CN 201320704472 U CN201320704472 U CN 201320704472U CN 203644451 U CN203644451 U CN 203644451U
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- Prior art keywords
- copper wire
- flame
- shielding layer
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- shielding
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 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 38
- 239000003063 flame retardant Substances 0.000 title claims abstract description 37
- 239000010949 copper Substances 0.000 claims abstract description 28
- 229910052802 copper Inorganic materials 0.000 claims abstract description 28
- 239000000779 smoke Substances 0.000 claims abstract description 22
- 239000004020 conductor Substances 0.000 claims abstract description 20
- 239000004677 Nylon Substances 0.000 claims abstract description 15
- 229920001778 nylon Polymers 0.000 claims abstract description 15
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 15
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 15
- 229920000098 polyolefin Polymers 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000011521 glass Substances 0.000 claims description 12
- 229910052736 halogen Inorganic materials 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 11
- 230000004888 barrier function Effects 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 230000005672 electromagnetic field Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 239000003365 glass fiber Substances 0.000 abstract 2
- 230000003014 reinforcing effect Effects 0.000 abstract 2
- 239000000047 product Substances 0.000 description 12
- 230000007613 environmental effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003500 flue dust Substances 0.000 description 3
- 150000002367 halogens Chemical group 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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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 relates to the field of power cables, and specifically provides a 10 kV large-cross-section copper wire sparsely wound shielding water-blocking halogen-free flame-retardant power cable. A conductor shielding layer is disposed outside a twisted conductor. An insulating layer is disposed outside the conductor shielding layer. An insulating shielding layer is disposed outside the insulating layer. A water-blocking belt is disposed outside the insulating shielding layer. A copper wire shielding layer is disposed outside the water-blocking belt. A copper belt shielding layer is disposed outside the copper wire shielding layer. A nylon semiconducting water-blocking belt is disposed outside the copper belt shielding layer. A flame-retardant polyvinyl chloride inner sheath is disposed outside the nylon semiconducting water-blocking belt. A braided glass fiber reinforcing layer is disposed outside the flame-retardant polyvinyl chloride inner sheath. A halogen-free low-smoke flame-retardant polyolefin outer sheath is disposed outside the braided glass fiber reinforcing layer. The large-cross-section copper wire sparsely wound shielding water-blocking halogen-free flame-retardant power cable can prevent interference generated by the electromagnetic field of the cable itself in the surrounding environment during a use process, is environmentally friendly, and thus can be used for a long time.
Description
Technical field
The utility model relates to power cable field, is specially that a kind of 10kV heavy in section copper wire is dredged around shielding, block water, zero-halogen low-smoke flame-retardant electrical cable.
Background technology
Along with the raising of people's safety and environmental consciousness, the requirement of the performance of many users to product and environmental protection aspect is also more and more higher.The shielding mode of 10kV heavy in section power cable also obtains user's great attention gradually, the screen of 10kV power cable mainly plays anti-outside electromagnetic interference and short circuit current ground connection, and the mode of shielding has: proof copper-wire braided shielding, the wrapped shielding of copper strips, copper wire are dredged around shielding or aluminum-alloy wire braid shielded etc.For heavy in section (500mm
2above) ampacity is larger, the electromagnetic field self producing is also larger, when short circuit current exceedes certain value, being difficult to reach copper wire by the effective cross-section value of two-layer 0.12mm copper strips dredges around the larger effective cross-section value that can reach, copper wire dredges that it is dredged around effect more than good many of other shielding modes around (adding reverse binding), and continuity is reliable, select copper wire to dredge around shielding, to prevent in use procedure due to the interference to surrounding environment of electromagnetic field that self was produced.
But along with the raising of people's environmental consciousness, this product cannot reach the requirement of environmental protection, and environment-protective halogen-free low-smoke flame-retardant class electric wire product is more and more tended in cable market.Environment-protective halogen-free low-smoke flame-retardant electric wire and cable refers to that material therefor is not halogen-containing, and the flue dust producing when the lower and burning of the corrosivity of combustion product is less.So environment-protective halogen-free low-smoke flame-retardant class electric wire product is more and more subject to user's favor and accreditation, the demand in market is increasing.In addition, in order to adapt to varying environment, need to improve the intensity of power cable, to guarantee the useful life of cable, reduce replacement cost.
Utility model content
The purpose of this utility model is to provide that a kind of 10kV heavy in section copper wire is dredged around shielding, block water, zero-halogen low-smoke flame-retardant electrical cable, when the electromagnetic field that prevents from producing due to self in use procedure is to the interference of surrounding environment, and this cable has the feature of environmental protection, can use for a long time.
The technical solution of the utility model is:
A kind of heavy in section copper wire is dredged around shielding, block water, zero-halogen low-smoke flame-retardant electrical cable, this power cable comprises: stranded conductor, conductor shield, insulating barrier, insulation screen, waterstop, shielding layer of copper wires, copper strip shielding layer, nylon semiconductive waterstop, flame-retardant polyvinyl chloride inner jacket, braided glass filament reinforced layer, halogen-free and low-smoke flame-retardant polyolefin oversheath, and concrete structure is as follows:
The outside of stranded conductor is conductor shield, the outside of conductor shield is insulating barrier, the outside of insulating barrier is insulation screen, the outside of insulation screen is waterstop, the outside of waterstop is shielding layer of copper wires, the outside of shielding layer of copper wires is copper strip shielding layer, the outside of copper strip shielding layer is nylon semiconductive waterstop, the outside of nylon semiconductive waterstop is flame-retardant polyvinyl chloride inner jacket, the outside of flame-retardant polyvinyl chloride inner jacket is braided glass filament reinforced layer, and the outside of braided glass filament reinforced layer is halogen-free and low-smoke flame-retardant polyolefin oversheath.
Described heavy in section copper wire is dredged around shield, block water, flame-proof polyethylene sheath power cable, and shielding layer of copper wires adopts copper wire thin around shielding.
Described heavy in section copper wire is dredged around shield, block water, flame-proof polyethylene sheath power cable, and copper wire is dredged around the adjacent copper wire maximal clearance shielding and is not more than 4.5mm, and maximum clearance distance is 4mm.
Described heavy in section copper wire is dredged around shield, block water, flame-proof polyethylene sheath power cable, and copper wire is dredged around the adjacent copper wire gap of shielding and is not more than 4mm, and mean gap is apart from being 3mm.
Advantage of the present utility model and beneficial effect are:
1, the utility model heavy in section copper wire dredge around shielding, block water, zero-halogen low-smoke flame-retardant electrical cable, improve by product structure, can improve cable shield performance and environmental-protecting performance.
2, the utility model, at the outside covered with nylon semiconductive of copper strip shielding layer waterstop, makes cable have certain resistance to wear and intensity.
3, the utility model extrudes one deck flame-retardant polyvinyl chloride inner jacket in nylon semiconductive waterstop outside, and its good flame retardation effect is widely used in fire prevention, makes product have fire resistance and water resistance.
4, the utility model is at the outside braided glass filament reinforced layer that adopts of flame-retardant polyvinyl chloride inner jacket, there is certain resistance to wear, tack, flexibility and proof voltage, there is good heat resistanceheat resistant punching, overload performance, improve bending, the tensile property of cable, extend the useful life of cable, reduce use cost, increase economic efficiency.
5, the utility model is at the outside coated environment-protective halogen-free low-smoke flame-retardant polyolefin oversheath of braided glass filament reinforced layer, polyolefin has the features such as relative density is little, chemical proofing, water-tolerant, there is good mechanical strength and electrical insulating property, also there is the feature of environmental protection.
6, the utility model power cable adopts environment-protective halogen-free low-smoke flame-retardant polyolefin oversheath, and this product is not halogen-containing, and the flue dust producing when the lower and burning of the corrosivity of combustion product is less, meets the requirement of GB/T19666-2005 completely.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure, 1-stranded conductor; 2-conductor shield; 3-insulating barrier; 4-insulation screen; 5-waterstop; 6-shielding layer of copper wires; 7-copper strip shielding layer; 8-nylon semiconductive waterstop; 9-flame-retardant polyvinyl chloride inner jacket; 10-braided glass filament reinforced layer; 11-halogen-free and low-smoke flame-retardant polyolefin oversheath.
Embodiment
As shown in Figure 1, the utility model heavy in section copper wire is dredged around shielding, block water, zero-halogen low-smoke flame-retardant electrical cable, mainly comprise: stranded conductor 1, conductor shield 2, insulating barrier 3, insulation screen 4, waterstop 5, shielding layer of copper wires 6, copper strip shielding layer 7, nylon semiconductive waterstop 8, flame-retardant polyvinyl chloride inner jacket 9, braided glass filament reinforced layer 10, halogen-free and low-smoke flame-retardant polyolefin oversheath 11 etc., concrete structure is as follows:
The outside of stranded conductor 1 is conductor shield 2, the outside of conductor shield 2 is insulating barrier 3, the outside of insulating barrier 3 is insulation screen 4, the outside of insulation screen 4 is waterstop 5, the outside of waterstop 5 is shielding layer of copper wires 6, the outside of shielding layer of copper wires 6 is copper strip shielding layer 7, the outside of copper strip shielding layer 7 is nylon semiconductive waterstop 8, the outside of nylon semiconductive waterstop 8 is flame-retardant polyvinyl chloride inner jacket 9, the outside of flame-retardant polyvinyl chloride inner jacket 9 is braided glass filament reinforced layer 10, the outside of braided glass filament reinforced layer 10 is halogen-free and low-smoke flame-retardant polyolefin oversheath 11.In the utility model, shielding layer of copper wires 6 adopts copper wire to dredge around shielding.
Particular content and technical route that the utility model is implemented are as follows:
(1) copper wire is dredged the control around shielding spacing: the shield effectiveness when uniformity that copper wire spacing distributes is directly determining cable operation, dredge in the time that shielding operation is made according to the structure of existing equipment at copper wire, improve copper wire and dredged the distributor plate in the time of shielding operation, materials'use stainless steel material, copper wire is distributed more even, the shielding properties that improves cable is good.
(2) measure that blocks water: after insulation shielding and copper wire dredge after shielding, adopt respectively the overlapping wrapped of nylon semiconductive waterstop and waterstop, guarantee the block-water performance requirement of product.
(3) fire-resistant waterproof measure: according to the particular/special requirement of product, the inner sheath of cable has been adopted to flame-proof polyvinyl chloride material, the existing flame-retarding characteristic of this new material, has again fire resistance characteristic.
(4) environmental-protecting performance: in order to reach the environmental-protecting performance of product, the oversheath of cable adopts halogen-free and low-smoke flame-retardant polyolefin material, not halogen-containing, the flue dust producing when the lower and burning of the corrosivity of combustion product is less, and when burning, minimum light transmittance reaches more than 60%.
The utility model is by the production trial-production to power cable, grasped that 10kV heavy in section copper wire is dredged around shielding, block water, key technology and the production technology of zero-halogen low-smoke flame-retardant electrical cable at present completely, reaches technical indicator as follows:
Table 1
Claims (4)
- A heavy in section copper wire dredge around shielding, block water, zero-halogen low-smoke flame-retardant electrical cable, it is characterized in that, this power cable comprises: stranded conductor, conductor shield, insulating barrier, insulation screen, waterstop, shielding layer of copper wires, copper strip shielding layer, nylon semiconductive waterstop, flame-retardant polyvinyl chloride inner jacket, braided glass filament reinforced layer, halogen-free and low-smoke flame-retardant polyolefin oversheath, and concrete structure is as follows:The outside of stranded conductor is conductor shield, the outside of conductor shield is insulating barrier, the outside of insulating barrier is insulation screen, the outside of insulation screen is waterstop, the outside of waterstop is shielding layer of copper wires, the outside of shielding layer of copper wires is copper strip shielding layer, the outside of copper strip shielding layer is nylon semiconductive waterstop, the outside of nylon semiconductive waterstop is flame-retardant polyvinyl chloride inner jacket, the outside of flame-retardant polyvinyl chloride inner jacket is braided glass filament reinforced layer, and the outside of braided glass filament reinforced layer is halogen-free and low-smoke flame-retardant polyolefin oversheath.
- According to heavy in section claimed in claim 1 copper wire dredge around shield, block water, flame-proof polyethylene sheath power cable, it is characterized in that, shielding layer of copper wires adopts copper wire thin around shielding.
- According to heavy in section claimed in claim 1 copper wire dredge around shield, block water, flame-proof polyethylene sheath power cable, it is characterized in that, copper wire is dredged around the adjacent copper wire maximal clearance shielding and is not more than 4.5mm, maximum clearance distance is 4mm.
- According to heavy in section claimed in claim 1 copper wire dredge around shield, block water, flame-proof polyethylene sheath power cable, it is characterized in that, copper wire is dredged around the adjacent copper wire gap of shielding and is not more than 4mm, mean gap is apart from being 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320704472.6U CN203644451U (en) | 2013-11-07 | 2013-11-07 | Large-cross-section copper wire sparsely wound shielding water-blocking halogen-free flame-retardant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320704472.6U CN203644451U (en) | 2013-11-07 | 2013-11-07 | Large-cross-section copper wire sparsely wound shielding water-blocking halogen-free flame-retardant power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203644451U true CN203644451U (en) | 2014-06-11 |
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ID=50875677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320704472.6U Expired - Fee Related CN203644451U (en) | 2013-11-07 | 2013-11-07 | Large-cross-section copper wire sparsely wound shielding water-blocking halogen-free flame-retardant power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203644451U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024164A (en) * | 2016-07-22 | 2016-10-12 | 上海安捷防火智能电缆有限公司 | Mineral insulated fireproof cable of novel structure and production process thereof |
| CN106098160A (en) * | 2016-07-18 | 2016-11-09 | 远东电缆有限公司 | A kind of cold-resistant wind-power electricity generation of resistance to torsion midium voltage cable and production technology thereof |
| CN107767994A (en) * | 2016-08-17 | 2018-03-06 | 江苏宝安电缆有限公司 | A kind of offshore oil platform medium voltage converter cable |
| CN109727711A (en) * | 2018-06-15 | 2019-05-07 | 合肥兴联通讯有限公司 | A kind of low-smoke zero-halogen fire-resistant cable |
| CN112582100A (en) * | 2020-12-08 | 2021-03-30 | 杭州电缆股份有限公司 | Feed cable for magnetic suspension train and production process thereof |
-
2013
- 2013-11-07 CN CN201320704472.6U patent/CN203644451U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098160A (en) * | 2016-07-18 | 2016-11-09 | 远东电缆有限公司 | A kind of cold-resistant wind-power electricity generation of resistance to torsion midium voltage cable and production technology thereof |
| CN106024164A (en) * | 2016-07-22 | 2016-10-12 | 上海安捷防火智能电缆有限公司 | Mineral insulated fireproof cable of novel structure and production process thereof |
| CN107767994A (en) * | 2016-08-17 | 2018-03-06 | 江苏宝安电缆有限公司 | A kind of offshore oil platform medium voltage converter cable |
| CN109727711A (en) * | 2018-06-15 | 2019-05-07 | 合肥兴联通讯有限公司 | A kind of low-smoke zero-halogen fire-resistant cable |
| CN112582100A (en) * | 2020-12-08 | 2021-03-30 | 杭州电缆股份有限公司 | Feed cable for magnetic suspension train and production process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20151112 Granted publication date: 20140611 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20161112 Granted publication date: 20140611 |
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| PP01 | Preservation of patent right |
Effective date of registration: 20161112 Granted publication date: 20140611 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20170512 Granted publication date: 20140611 |
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| PP01 | Preservation of patent right |
Effective date of registration: 20170512 Granted publication date: 20140611 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20171112 Granted publication date: 20140611 |
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| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20161107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |