CN204632393U - Waterproofing type copper conductor crosslinked polyetylene insulated plastic-aluminum integrated sheath water-proof cable - Google Patents
Waterproofing type copper conductor crosslinked polyetylene insulated plastic-aluminum integrated sheath water-proof cable Download PDFInfo
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- CN204632393U CN204632393U CN201520286845.1U CN201520286845U CN204632393U CN 204632393 U CN204632393 U CN 204632393U CN 201520286845 U CN201520286845 U CN 201520286845U CN 204632393 U CN204632393 U CN 204632393U
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- copper conductor
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- plastic
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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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Abstract
Waterproofing type copper conductor crosslinked polyetylene insulated plastic-aluminum integrated sheath water-proof cable, belongs to power cable technical field.Comprise cable core and sheath, described cable core is by some insulated wire cores and packing is stranded forms, it is characterized in that, described insulated wire cores is by longitudinal water-blocking copper conductor and be placed in its outer field conductor shield successively, insulating barrier, insulation screen, semiconductor waterstop layer, metal screen layer form; Described cable core is provided with nonwoven layer, semiconductor waterstop layer, plastic-aluminum combined belt, sheath outward successively; The cross section of described longitudinal water-blocking copper conductor is circular, is formed, be longitudinally enclosed with semiconductive one side waterstop between every layer of copper conductor by the copper conductor of some circular cross-sections along radial direction layering setting.The utility model can meet the radial direction of cable and longitudinal dual water resistance, and conductor layering adopts semiconductive one side waterstop longitudinally parcel, in conjunction with the compatible modification technology of plastic-aluminum integrated sheath, ensures that cable has the characteristic of longitudinal water-blocking and radial waterproof.
Description
Technical field
The utility model relates to a kind of structure of cable, and the structure of especially a kind of waterproofing type copper conductor crosslinked polyetylene insulated plastic-aluminum integrated sheath water-proof cable, belongs to field of cable technology.
Background technology
At home in cable work construction, medium-low voltage power cable substantially all adopts the burying arrange ment modes such as direct-burried, poling or cable trough.In work progress, the phenomenons such as frequent generation cable cover(ing) abrades, scratch.Therefore, the medium-low voltage power cable that or long-term rainy region higher in level of ground water is laid need adopt waterproof measure.From Late Cambrian XLPE insulation water-treeing phenomenon in 1967, water tree was known as the one of the main reasons of XLPE ageing of insulation in the world.According to statistics, in state's inner city net 6 ~ 35kV electric power system, the XLPE insulated cable of underground laying, when operation 8 to 12 years, can grow large water gaging tree, causes crosslinked cable to puncture and the lost of life because of water tree, Frequent Accidents.Prevent from early days producing water tree in cable insulation, mainly consider to carry out modification to XLPE, adopt interpolation voltage stabilizer and other additive to suppress the generation of water tree, this measure has certain effect but does not tackle the problem at its root.Prevent moisture and moisture from entering XLPE insulated power cable, be only the fundamental way stoping and produce water tree in insulation.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, a kind of waterproofing type copper conductor crosslinked polyetylene insulated plastic-aluminum integrated sheath water-proof cable is provided, meet the radial direction of cable and longitudinal dual water resistance, conductor layering adopts semiconductive one side waterstop longitudinally parcel, in conjunction with the compatible modification technology of plastic-aluminum integrated sheath, ensure that cable has the characteristic of longitudinal water-blocking and radial waterproof.
The purpose of this utility model is achieved through the following technical solutions: waterproofing type copper conductor crosslinked polyetylene insulated plastic-aluminum integrated sheath water-proof cable, comprise cable core and sheath, described cable core is by some insulated wire cores and packing is stranded forms, it is characterized in that, described insulated wire cores is by longitudinal water-blocking copper conductor and be placed in its outer field conductor shield successively, insulating barrier, insulation screen, semiconductor waterstop layer, metal screen layer form; Described cable core is provided with nonwoven layer, semiconductor waterstop layer, plastic-aluminum combined belt, sheath outward successively; The cross section of described longitudinal water-blocking copper conductor is circular, is formed, be longitudinally enclosed with semiconductive one side waterstop between every layer of copper conductor by the copper conductor of some circular cross-sections along radial direction layering setting.
Described aluminium-plastic tape is made up of metallic aluminium and plastics.
Described packing is waterproofing type packing.
Described sheath is that polythene material is made.
Described insulating barrier is that crosslinked polyethylene insulation material is made.
In the employing of structure, internal material of the present utility model and universal power cable are as good as, and namely adopt the XLPE Insulation Material of excellent electrical property, but have special requirement to packing material and sheath.Because system of laying is different; juicy, wet environment; therefore the inserts of this cable need tool to block water, water absorbing properties; and another aspect cable is for a long time at underground job; terminal, blank area have the existence of moisture unavoidably; therefore this cable is except packing material, and conductor, shielding and sheath all need to carry out waterproofing protection.
The utility model is started with from the construction of cable, the waterproofing type copper conductor crosslinked polyetylene insulated plastic-aluminum integrated sheath waterproof power cable of development water resistance excellence, and the key technology preparing this cable is:
1, adopt longitudinal water-blocking copper conductor first, use semiconductive one side waterstop layering longitudinally parcel, while making product meet electrical property, turn increase the requirement of longitudinal water-blocking performance;
2, adopt plastic-aluminum integrated sheath as the radial watertight composition of whole cable, aluminium-plastic tape is made up of metallic aluminium and plastics, and plastics are made up of crystallization and noncrystalline two parts.Moisture can easily via non-crystallized part, and the excellent aluminium of softness is made up of crystalline solid completely, has good water resistance, thus prevents from, in insulation, " water tree " phenomenon occurs.There is the critical moisture content needed for water tree in inspection, can as water resistance required standard.While ensureing that power cable possesses good mechanical, have radial water proofing property concurrently.
The utility model adopts longitudinally coated waterproofing type copper conductor first, and in conjunction with the compatible modification technology of plastic-aluminum integrated sheath, while ensureing that plastic-aluminum integrated sheath material possesses good radial water resistance, have the characteristic of cable longitudinal water-blocking concurrently, to meet the radial direction of cable and longitudinal dual water resistance.And the special construction of this cable is conductor layering employing semiconductive one side waterstop longitudinally parcel, semiconductive one side waterstop ensure that cable conductor has the effect of certain longitudinal water-blocking on the one hand, and plastic-aluminum integrated sheath meets outside moisture radial waterproof infiltration performance on the other hand.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure: 1 copper conductor, 2 semiconductive one side waterstops, 3 conductor shields, 4 insulating barriers, 5 insulation screens, 6 semiconductor waterstop layers, 7 metal screen layers, 8 nonwoven layer, 9 semiconductor waterstop layers, 10 plastic-aluminum combined belts, 11 sheaths, 12 packings.
Embodiment
Waterproofing type copper conductor crosslinked polyetylene insulated plastic-aluminum integrated sheath water-proof cable, comprises cable core and sheath 11, and cable core is by some insulated wire cores and packing 2 is stranded forms.
Insulated wire cores is by longitudinal water-blocking copper conductor and be placed in its outer field conductor shield 3 successively, insulating barrier 4, insulation screen 5, semiconductor waterstop layer 6, metal screen layer 7 form.
Cable core is provided with nonwoven layer 8, semiconductor waterstop layer 9, plastic-aluminum combined belt 10, sheath outward successively.The cross section of longitudinal water-blocking copper conductor is circular, is formed, be longitudinally enclosed with semiconductive one side waterstop 2 between every layer of copper conductor by the copper conductor 1 of some circular cross-sections along radial direction layering setting.
Aluminium-plastic tape is made up of metallic aluminium and plastics, and packing is waterproofing type packing, and sheath is that polythene material is made, and insulating barrier is that crosslinked polyethylene insulation material is made.
The utility model is owing to selecting direct-burried, poling or cable trough laying installation electric energy transmitting, therefore the utility model except must have conventional power cable and possess screen, except armour, also to consider that this cable can be subject to the impact of certain outside moisture on it in use simultaneously, and although common power cable has certain water resistance, can not meet cable in the course of time far away needs to bear rugged environment more in use.
And the integrated sheath that the utility model adopts is that aluminium-plastic tape is mutually bonding with PE material, PE jacket material unit are every day moisture penetration amount is 28 × 10-8(g/cm2), aluminium-plastic tape is made up of metallic aluminium and plastics, and plastics are made up of crystallization and noncrystalline two parts.Moisture can pass through non-crystallized part easily, and the aluminium of excellent flexibility is made up of crystalline solid completely, and water can permeate and to progress into or by macromolecular material, but forever can not through metal material, so it has good radial water resistance; And relative to common power cable, fill and adopt waterproofing type gasket for packing to fill, whole cable is played to the effect of longitudinal water-blocking; Even if joint or construction in, integrated sheath be subject to shock suffer destroy do not worry yet, the bed course outside insulation shielding and the waterstop in conductor also can stop moisture further to immerse.
Therefore the cable used as the place that direct-burried, poling, cable trough or humidity are severe compared with overall situation must be considered to strengthen block-water performance.Therefore the utility model adopts comprehensive stop water to protect, and the self character so neither affecting cable turn increases the water resistance intensity of cable.
Claims (5)
1. a waterproofing type copper conductor crosslinked polyetylene insulated plastic-aluminum integrated sheath water-proof cable, comprises cable core and sheath (11), and described cable core is by some insulated wire cores and packing (12) is stranded forms, and it is characterized in that,
Described insulated wire cores is by longitudinal water-blocking copper conductor and be placed in its outer field conductor shield (3) successively, insulating barrier (4), insulation screen (5), semiconductor waterstop layer (6), metal screen layer (7) form;
Described cable core is provided with nonwoven layer (8), semiconductor waterstop layer (9), plastic-aluminum combined belt (10), sheath outward successively; The cross section of described longitudinal water-blocking copper conductor is circular, is formed, be longitudinally enclosed with semiconductive one side waterstop (2) between every layer of copper conductor by the copper conductor (1) of some circular cross-sections along radial direction layering setting.
2. waterproofing type copper conductor according to claim 1 crosslinked polyetylene insulated plastic-aluminum integrated sheath water-proof cable, it is characterized in that, described aluminium-plastic tape is made up of metallic aluminium and plastics.
3. waterproofing type copper conductor according to claim 1 crosslinked polyetylene insulated plastic-aluminum integrated sheath water-proof cable, is characterized in that, described packing is waterproofing type packing.
4. waterproofing type copper conductor according to claim 1 crosslinked polyetylene insulated plastic-aluminum integrated sheath water-proof cable, is characterized in that, described sheath is that polythene material is made.
5. waterproofing type copper conductor according to claim 1 crosslinked polyetylene insulated plastic-aluminum integrated sheath water-proof cable, is characterized in that, described insulating barrier is that crosslinked polyethylene insulation material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520286845.1U CN204632393U (en) | 2015-05-06 | 2015-05-06 | Waterproofing type copper conductor crosslinked polyetylene insulated plastic-aluminum integrated sheath water-proof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520286845.1U CN204632393U (en) | 2015-05-06 | 2015-05-06 | Waterproofing type copper conductor crosslinked polyetylene insulated plastic-aluminum integrated sheath water-proof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204632393U true CN204632393U (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520286845.1U Expired - Fee Related CN204632393U (en) | 2015-05-06 | 2015-05-06 | Waterproofing type copper conductor crosslinked polyetylene insulated plastic-aluminum integrated sheath water-proof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204632393U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679453A (en) * | 2016-04-25 | 2016-06-15 | 无锡市曙光电缆有限公司 | Anti-corrosion water-resistant crosslinked polyethylene insulated power cable |
| CN107195368A (en) * | 2017-06-05 | 2017-09-22 | 安徽龙芯电力电线有限公司 | A kind of waterproofing type power cable with cross-linked polyethylene insulation |
-
2015
- 2015-05-06 CN CN201520286845.1U patent/CN204632393U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679453A (en) * | 2016-04-25 | 2016-06-15 | 无锡市曙光电缆有限公司 | Anti-corrosion water-resistant crosslinked polyethylene insulated power cable |
| CN107195368A (en) * | 2017-06-05 | 2017-09-22 | 安徽龙芯电力电线有限公司 | A kind of waterproofing type power cable with cross-linked polyethylene insulation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20210506 |
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| CF01 | Termination of patent right due to non-payment of annual fee |