CN205177447U - Long -life termite resistance cable - Google Patents
Long -life termite resistance cable Download PDFInfo
- Publication number
- CN205177447U CN205177447U CN201520867285.9U CN201520867285U CN205177447U CN 205177447 U CN205177447 U CN 205177447U CN 201520867285 U CN201520867285 U CN 201520867285U CN 205177447 U CN205177447 U CN 205177447U
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- China
- Prior art keywords
- layer
- termite
- insulating layer
- long
- inner insulating
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- 241000256602 Isoptera Species 0.000 title abstract description 14
- 238000009422 external insulation Methods 0.000 claims abstract description 19
- 239000004020 conductor Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 16
- 229920000098 polyolefin Polymers 0.000 claims abstract description 11
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 9
- 150000002367 halogens Chemical class 0.000 claims abstract description 9
- 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 20
- 238000012856 packing Methods 0.000 claims description 6
- 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
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 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
- 239000012141 concentrate Substances 0.000 abstract description 2
- 238000005253 cladding Methods 0.000 abstract 1
- 238000005034 decoration Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 38
- 238000000034 method Methods 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 229920000915 polyvinyl chloride Polymers 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
- 230000000694 effects Effects 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
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 206010003399 Arthropod bite Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000035929 gnawing 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
- 230000036314 physical performance Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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 long -life termite resistance cable. This long -life termite resistance cable 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 termite resistance oversheath, be equipped with the filling layer between conductor and the the inner insulating layer. 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 and sting bad cable with the termite, reduce the emergence probability of conflagration. This cable is applicable to the house decoration of family, one type of non -combustible building, important public place and personnel concentrate the power supply and the control scheme in place.
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 anti-termite cable.
Background technology
Traditional architecture cable uses individual layer polyvinyl chloride insulation, there is following shortcoming: working temperature and short circuit temperature 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.And because polyvinyl chloride insulation is polar material, electric wire, once make moist, very easily produces electric leakage, even leads to a disaster.Again and again lead-covered cable there is the buried plastic cable of termite damage in addition, even if can not be escaped by luck.Why termite will endanger the sheath of cable, although be that because buried cable hinders the passage of termite activity, the worker ant in termite colony is in order to search of food and water source because plastics are not that termite is delithted with the non-plant group fibrous matter eaten, must penetrate this obstruction, worker ant just bites with strength.Therefore when the hardness of this kind of material, fineness be convenient to worker ant bite time, cable from appearance gradually eaten into into, gently then cause decreasing insulating, or short trouble is heavy then causes the serious accidents such as electric leakage is hurted sb.'s feelings, blast.Therefore, develop synchronous with Building life cycle, and cable for building of termite-proof long-life, can effectively prevent electric wire premature aging, prevent termite to sting bad cable, accidents caused, 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 anti-termite cable to solve short problem in existing single-layer cable useful life, and can effectively prevent electric wire premature aging and termite to sting bad cable, reduce the Probability of fire.
The technical solution of the utility model is achieved in that this long-life anti-termite cable 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 termite-proof oversheath; Packed layer is provided with between described conductor and inner insulating layer.
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 termite-proof oversheath adopts black polyolefin copolymer material to make, and its thickness is not less than 1mm.
Described inner insulating layer conductivity≤10 μ S/mm, external insulation layer content of halogen≤0.1%.
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) termite-proof oversheath adopts nontoxic, and termite-proof polyolefin copolymer is very effective for control termites.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure: 1-conductor, 2-packed layer, 3-inner insulating layer, 4-external insulation layer, the termite-proof oversheath of 5-.
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 anti-termite cable 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, double layer of insulation comprises inner insulating layer 3 and external insulation layer 4, inner insulating layer 3 adopts cross-linking polyethylene materials, and external insulation layer 4 adopts the crosslinked polyolefin materials of low smoke and zero halogen; External insulation layer 4 outside is also provided with termite-proof oversheath 5; Packed layer 2 is provided with between conductor 1 and inner insulating layer 3.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.Termite-proof oversheath 5 adopts black polyolefin copolymer material to make, and its thickness is not less than 1mm.Inner insulating layer 3 conductivity≤10 μ S/mm, external insulation layer 4 content of halogen≤0.1%.Packed layer 2 is by being fire-retardant PP gasket for packing or flame-proof PVC packing.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 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 3 is the non-hygroscopic crosslinked polyethylene of high-performance, guarantees the electrical property of product.External insulation layer 4 is low smoke and zero halogen cross-linked polyolefin, ensures that product has remarkable combustion characteristics and mechanical performance.External insulation 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.What termite-proof oversheath 5 adopted is black polyolefin copolymer material, effectively can prevent termite and mouse from gnawing and nibble cable, there is good weather resistance, resistance to wear and mechanical and physical performance, this product is nontoxic, and the disadvantage that there is not " medicine type " additive belongs to environment-friendly products.The utility model is the renewal product of traditional architecture cable, 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 (6)
1. a long-life anti-termite cable, comprise the conductor (1) 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 (3) and external insulation layer (4), described inner insulating layer (3) adopts cross-linking polyethylene materials, and external insulation layer (4) adopts the crosslinked polyolefin materials of low smoke and zero halogen; Described external insulation layer (4) outside is also provided with termite-proof oversheath (5); Packed layer (2) is provided with between described conductor (1) and inner insulating layer (3).
2. long-life anti-termite cable 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 anti-termite cable according to claim 1 and 2, is characterized in that: described termite-proof oversheath (5) adopts black polyolefin copolymer material to make, and its thickness is not less than 1mm.
4. long-life anti-termite cable according to claim 3, is characterized in that: described inner insulating layer (3) conductivity≤10 μ S/mm, external insulation layer (4) content of halogen≤0.1%.
5. long-life anti-termite cable according to claim 3, is characterized in that: described packed layer (2) is fire-retardant PP gasket for packing or flame-proof PVC packing.
6. long-life anti-termite cable according to claim 5, 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 |
|---|---|---|---|
| CN201520867285.9U CN205177447U (en) | 2015-11-03 | 2015-11-03 | Long -life termite resistance cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867285.9U CN205177447U (en) | 2015-11-03 | 2015-11-03 | Long -life termite resistance cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205177447U true CN205177447U (en) | 2016-04-20 |
Family
ID=55741405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520867285.9U Active CN205177447U (en) | 2015-11-03 | 2015-11-03 | Long -life termite resistance cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205177447U (en) |
-
2015
- 2015-11-03 CN CN201520867285.9U patent/CN205177447U/en active Active
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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: Long life anti termite cable 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 |