CN205177432U - Double -deck electric wire of long -life - Google Patents
Double -deck electric wire of long -life Download PDFInfo
- Publication number
- CN205177432U CN205177432U CN201520867613.5U CN201520867613U CN205177432U CN 205177432 U CN205177432 U CN 205177432U CN 201520867613 U CN201520867613 U CN 201520867613U CN 205177432 U CN205177432 U CN 205177432U
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- CN
- China
- Prior art keywords
- electric wire
- insulating layer
- layer
- double
- double layer
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- 238000009422 external insulation Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000004020 conductor Substances 0.000 claims abstract description 15
- 229920000098 polyolefin Polymers 0.000 claims abstract description 9
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 8
- 150000002367 halogens Chemical class 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- 239000000779 smoke Substances 0.000 claims abstract description 6
- 239000004411 aluminium Substances 0.000 claims abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 239000010949 copper Substances 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims description 21
- 238000012856 packing Methods 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 238000004132 cross linking Methods 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000032683 aging Effects 0.000 abstract description 6
- 229920003020 cross-linked polyethylene Polymers 0.000 abstract description 3
- 239000004703 cross-linked polyethylene Substances 0.000 abstract description 3
- 238000005253 cladding Methods 0.000 abstract 1
- 238000005034 decoration Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 42
- 229920000915 polyvinyl chloride Polymers 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 206010063493 Premature ageing Diseases 0.000 description 2
- 208000032038 Premature aging Diseases 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000002747 voluntary effect Effects 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 discloses a belong to wire and cable technical field, concretely relates to double -deck electric wire of long -life. This double -deck electric wire of long -life includes the conductor that is formed by copper or aluminium hank system, and the double -deck insulating layer of cladding outside the conductor, and double -deck insulating layer includes the inner insulating layer and external insulation layer, and the inner insulating layer adopts the crosslinked polyethylene material, and the external insulation layer adopts the crosslinked polyolefin material of low smoke and zero halogen, the external insulation layer outside still is equipped with the oversheath. Double -deck insulating layer gross thickness is not less than 0.6mm, wherein the inner insulating layer's thickness be double -deck insulating layer gross thickness 25%~50% on. The utility model provides a short problem of current individual layer electric wire life, can use 70 years, and can prevent effectively that the electric wire is ageing in advance, reduce the emergence probability of conflagration. Be applicable to the power supply and the control scheme in the house decoration of family, one type of concentrated place of non -combustible building, important public place and personnel.
Description
Technical field
The utility model patent belongs to technical field of electric wires and cables, is specifically related to a kind of long life double layer electric wire.
Background technology
Traditional architecture electric wire uses individual layer polyvinyl chloride insulation, there is following shortcoming: working temperature (70 DEG C) and short circuit temperature (160 DEG C) low, therefore ageing properties is poor, easily aging, only have 20-30 useful life under regular service conditions, in using as exist excess load or extreme climate situation then useful life also shorter.In recent years, because the fire incident of the aging initiation of electrical wiring has the trend increased year by year, firmly the portion of building has put into effect two building wires and cable voluntary standard for building for this reason, require that building wire is not less than 70 years useful life, synchronous with Building life cycle, obviously, traditional architecture electric wire is adopted to be to meet this requirement.In addition because polyvinyl chloride insulation is polar material, the not high and easily moisture absorption of insulation resistance, electric wire, once make moist, very easily produces electric leakage, even leads to a disaster; Also can produce a large amount of toxic and harmful, smog during polychloroethylene insulation material burning, cause very large threat to personal safety and property.Therefore exploitation is synchronous with Building life cycle, and long-life electric wire that is green, environmental protection, can effectively prevent electric wire premature aging, reduce the Probability of fire, significant.
Utility model content
The utility model, for the deficiencies in the prior art, provides a kind of long life double layer electric wire to solve short problem in existing single-layer wire useful life, and can effectively prevent electric wire premature aging, reduce the Probability of fire.
The technical solution of the utility model is achieved in that this long life double layer electric wire comprises the conductor being twisted system by copper or aluminium, and the double layer of insulation be coated on outside conductor, it is characterized in that, described double layer of insulation comprises inner insulating layer and external insulation layer, described inner insulating layer adopts cross-linking polyethylene materials, and external insulation layer adopts the crosslinked polyolefin materials of low smoke and zero halogen; Described external insulation layer outside is also provided with oversheath.
Described double layer of insulation gross thickness is not less than 0.6mm, wherein the thickness of inner insulating layer be double layer of insulation gross thickness 25% ~ 50% on.
Described oversheath adopts butyronitrile material or crosslinked polyolefin materials to make, and its thickness is not less than 0.5mm.
Described inner insulating layer conductivity≤10 μ S/mm, external insulation layer content of halogen≤0.1%.
Also be provided with packed layer between described conductor and inner insulating layer, described packed layer is fire-retardant PP gasket for packing or flame-proof PVC packing.
Described conductor adopts multiply to press copper core or thread core of aluminum is made, and its cross sectional shape is circular or sector structure.
The utility model solves the defect existed in background technology, has following beneficial effect:
(1) the Test Methods And Procedures evaluation specified according to GB/T11026.1-2003 " insulating material thermal endurance part 1: the evaluation of aging procedure and result of the test " in the utility model useful life, be not less than 70 years, meet the requirement of firmly building portion's newest standards.And allow short circuit temperature to bring up to 250 DEG C from 160 DEG C, even if occur that short trouble also significantly can reduce the probability of fire incident.
(2) in, insulation is the non-hygroscopic crosslinked polyethylene of high-performance, and insulation resistance improves more than 1000 times than BLV, guarantees the electrical property of product.Have employed low smoke and zero halogen cross-linked polyolefin, ensure that product has remarkable combustion characteristics and mechanical performance.Also insulation resistance can not be made significantly to reduce even if make moist, thoroughly stop the possibility of leaking electricity.
(3) fire-retardant rank can reach A level, and (PH >=4.3 of burning evolved gas, conductivity≤10 μ S/mm, produces a small amount of smog (light transmittance >=60%) can not to produce toxic and harmful during burning.
(4) the utility model is the renewal product of traditional architecture electric wire, is applicable to the Power supply and control circuit that home dwelling finishing, a class fire proof construction, important public place and personnel concentrate place.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure: 1-conductor, 2-inner insulating layer, 3-external insulation layer, 4-oversheath.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Long life double layer electric wire as shown in Figure 1, comprise the conductor 1 being twisted system by copper or aluminium, and the double layer of insulation be coated on outside conductor 1, double layer of insulation comprises inner insulating layer 2 and external insulation layer 3, inner insulating layer 2 adopts cross-linking polyethylene materials, and external insulation layer 3 adopts the crosslinked polyolefin materials of low smoke and zero halogen; External insulation layer outside is also provided with oversheath 4.Double layer of insulation gross thickness is not less than 0.6mm, wherein the thickness of inner insulating layer be double layer of insulation gross thickness 25% ~ 50% on.Oversheath 4 adopts butyronitrile material or crosslinked polyolefin materials to make, and its thickness is not less than 0.5mm.Inner insulating layer 2 conductivity≤10 μ S/mm, external insulation layer 3 content of halogen≤0.1%.Also be provided with packed layer between conductor 1 and inner insulating layer 2, packed layer is fire-retardant PP gasket for packing or flame-proof PVC packing.Conductor 1 adopts multiply to press copper core or thread core of aluminum is made, and its cross sectional shape is circular or sector structure.
The utility model implementation process is: the utility model insulation system is double layer of insulation, technique adopts double-layer coextrusion, external insulation is once extruded simultaneously, when avoiding producing, double hyer insulation composition surface is mixed the impurity such as dust, moisture or gas and affects properties of product, composition surface is in conjunction with tight gapless, make product electric property more stable, ageing resistance is more reliable, guarantees the advantage perfect adaptation of bi-material.Inner insulating layer 2 is the non-hygroscopic crosslinked polyethylene of high-performance, guarantees the electrical property of product.External insulation layer 3 is low smoke and zero halogen cross-linked polyolefin, ensures that product has remarkable combustion characteristics and mechanical performance.External insulation 2 all passes through crosslinking process, the molecular structure of polyethylene straight-chain is made to be transformed into tridimensional network, improve the ageing-resistant performance of material, creep-resistant property, environment resistant cracking performance, thermal deformation resistant performance and mechanical performance greatly, electrical property is then substantially constant, thus achieves the long-life characteristics of electric wire.The utility model is the renewal product of traditional architecture electric wire, is applicable to the Power supply and control circuit that home dwelling finishing, a class fire proof construction, important public place and personnel concentrate place.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. a long life double layer electric wire, comprise the conductor being twisted system by copper or aluminium, and the double layer of insulation be coated on outside conductor, it is characterized in that, described double layer of insulation comprises inner insulating layer and external insulation layer, described inner insulating layer adopts cross-linking polyethylene materials, and external insulation layer adopts the crosslinked polyolefin materials of low smoke and zero halogen; Described external insulation layer outside is also provided with oversheath.
2. long life double layer electric wire according to claim 1, is characterized in that: described double layer of insulation gross thickness is not less than 0.6mm, wherein the thickness of inner insulating layer be double layer of insulation gross thickness 25% ~ 50% on.
3. long life double layer electric wire according to claim 1 and 2, is characterized in that: described oversheath adopts butyronitrile material or crosslinked polyolefin materials to make, and its thickness is not less than 0.5mm.
4. long life double layer electric wire according to claim 3, is characterized in that: be also provided with packed layer between described conductor and inner insulating layer, and described packed layer is fire-retardant PP gasket for packing or flame-proof PVC packing.
5. long life double layer electric wire according to claim 4, is characterized in that: described conductor adopts multiply to press copper core or thread core of aluminum is made, and its cross sectional shape is circular or sector structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867613.5U CN205177432U (en) | 2015-11-03 | 2015-11-03 | Double -deck electric wire of long -life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867613.5U CN205177432U (en) | 2015-11-03 | 2015-11-03 | Double -deck electric wire of long -life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205177432U true CN205177432U (en) | 2016-04-20 |
Family
ID=55741390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520867613.5U Active CN205177432U (en) | 2015-11-03 | 2015-11-03 | Double -deck electric wire of long -life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205177432U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105304167A (en) * | 2015-11-03 | 2016-02-03 | 昆明电立电缆有限公司 | Long-life double-layer wire and manufacturing method thereof |
| CN106205809A (en) * | 2016-08-30 | 2016-12-07 | 浙江秦山电缆有限公司 | A kind of high insulated wire cable of retractility easily bending by force and preparation method thereof |
| CN111627603A (en) * | 2019-02-27 | 2020-09-04 | 云南多宝电缆集团股份有限公司 | Long-service-life three-layer co-extrusion high-grade home decoration line and production method thereof |
-
2015
- 2015-11-03 CN CN201520867613.5U patent/CN205177432U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105304167A (en) * | 2015-11-03 | 2016-02-03 | 昆明电立电缆有限公司 | Long-life double-layer wire and manufacturing method thereof |
| CN106205809A (en) * | 2016-08-30 | 2016-12-07 | 浙江秦山电缆有限公司 | A kind of high insulated wire cable of retractility easily bending by force and preparation method thereof |
| CN111627603A (en) * | 2019-02-27 | 2020-09-04 | 云南多宝电缆集团股份有限公司 | Long-service-life three-layer co-extrusion high-grade home decoration line and production method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A long-life double-layer wire Effective date of registration: 20220609 Granted publication date: 20160420 Pledgee: Postal Savings Bank of China Limited by Share Ltd. Kunming branch Pledgor: KUNMING DIANLI CABLE CO.,LTD. Registration number: Y2022530000016 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20160420 Pledgee: Postal Savings Bank of China Limited by Share Ltd. Kunming branch Pledgor: KUNMING DIANLI CABLE CO.,LTD. Registration number: Y2022530000016 |