CN101931203A - Structure of anti-electric carbon mark pipe internally coated with stress evacuating glue - Google Patents
Structure of anti-electric carbon mark pipe internally coated with stress evacuating glue Download PDFInfo
- Publication number
- CN101931203A CN101931203A CN2009101082243A CN200910108224A CN101931203A CN 101931203 A CN101931203 A CN 101931203A CN 2009101082243 A CN2009101082243 A CN 2009101082243A CN 200910108224 A CN200910108224 A CN 200910108224A CN 101931203 A CN101931203 A CN 101931203A
- Authority
- CN
- China
- Prior art keywords
- stress
- layer body
- polyethylene
- electric carbon
- internally coated
- 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.)
- Pending
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 33
- 239000003292 glue Substances 0.000 title abstract 4
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000004132 cross linking Methods 0.000 claims abstract description 10
- 230000005855 radiation Effects 0.000 claims abstract description 10
- 239000011810 insulating material Substances 0.000 claims abstract description 9
- 229920003023 plastic Polymers 0.000 claims description 23
- 239000004033 plastic Substances 0.000 claims description 23
- 239000004698 Polyethylene Substances 0.000 claims description 18
- -1 polyethylene Polymers 0.000 claims description 18
- 229920000573 polyethylene Polymers 0.000 claims description 18
- 229920001903 high density polyethylene Polymers 0.000 claims description 12
- 239000004700 high-density polyethylene Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 229920000098 polyolefin Polymers 0.000 claims description 7
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 6
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 6
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 6
- 229920001684 low density polyethylene Polymers 0.000 claims description 6
- 239000004702 low-density polyethylene Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000012774 insulation material Substances 0.000 claims description 5
- 239000006229 carbon black Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000011256 inorganic filler Substances 0.000 claims description 3
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 3
- 239000012766 organic filler Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010894 electron beam technology Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000005251 gamma ray Effects 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000001595 contractor effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Landscapes
- Insulated Conductors (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a structure of an anti-electric carbon mark pipe internally coated with stress evacuating glue, which comprises an inner layer body and an outer layer body, wherein the inner layer body is provided with a stress control material, and the outer layer body is an anti-electric carbon mark thermo-shrinking insulating material. As the inner layer of the anti-electric carbon mark pipe internally coated with the stress evacuating glue is provided with a continues stress control material, and the stress control material can be formed into effective bonding with the thermo-shrinking insulating material of the outer layer, so that the structure can effectively prevent a gap from generating, thereby effectively avoiding the hidden trouble that a power cable is broken down. Furthermore, the structural pipe of the anti-electric carbon mark pipe internally coated with the stress evacuating glue can perform radiation crosslinking with the high-energy electron beam or the high-energy gamma ray, and can be formed by means of heating and expanding, thereby achieving the effect of thermal shrinkage.
Description
Technical field
The present invention relates to a kind of technical field of structures of heat-shrinkable tube, specifically be meant a kind of anti-electric carbon mark pipe internally coated with stress evacuation plastic structure that is applied to the cable hot shrinkage terminal.
Background technology
In existing pyrocondensation electric cable accessories technology, in order to solve the problem that mesohigh power cable screen gap electric field stress is concentrated.Major part is to adopt the pyrocondensation stress tube of individual layer to be assemblied in above-mentioned interface, insulated tube is installed as insulating barrier above stress tube.But, continuous variation along with the cable load, because material contracting with heat does not have contracting property under the normal temperature state, power cable is after operation a period of time, do not paste because the interface of pyrocondensation stress tube between insulated tube is fixing, make easily between insulated tube and the stress tube and produce the slit, cause the generation of partial discharge, long-play can cause the generation of power cable breakdown.
Summary of the invention
The invention provides a kind of anti-electric carbon mark pipe internally coated with stress and evacuate plastic structure, take place thereby effectively reach the hidden danger of avoiding the power cable breakdown.。
To achieve these goals, the invention provides following technical scheme:
A kind of anti-electric carbon mark pipe internally coated with stress is evacuated plastic structure, comprises internal layer body and outer layer body, on the described internal layer body pyrocondensation stress control material is set, and outer layer body is an anti-electric carbon mark heat shrinkage insulation material.
Wherein: described stress control material is the filler of high density polyethylene pipe HDPE, polyethylene from high pressure process LDPE, linear polyethylene LLDPE, polyethylene or polyethylene-ethyl acrylate EEA, haloflex, carbon black, raising dielectric constant or any or two or more mixture of non-linear resistance material.
Wherein: anti-electric carbon mark heat shrinkage insulation material is a crosslinking with radiation type crystalline polyolefin insulating material, and described crosslinking with radiation type crystalline polyolefin insulating material is any or two or more mixture of high density polyethylene pipe HDPE, polyethylene from high pressure process LDPE, linear polyethylene LLDPE, polyethylene or polyethylene-ethyl acrylate EEA.
Wherein: described internal layer body also adds organic or inorganic filler, the stress control material dielectric constant that makes its internal layer body greater than 10, specific insulation is greater than 108 Ω .cm, perhaps has non-linear resistance characteristic.
By above technical scheme as can be seen, the invention provides a kind of anti-electric carbon mark pipe internally coated with stress and evacuate plastic structure, comprise internal layer body and outer layer body, on the described internal layer body pyrocondensation stress control material is set, outer layer body is an anti-electric carbon mark heat shrinkage insulation material, and the internal layer body is provided with continuous stress control material, and this stress control material can form effectively bonding with outer field pyrocondensation insulating material, prevent that effectively the gap from producing, take place thereby effectively reach the hidden danger of avoiding the power cable breakdown.In addition, above-mentioned anti-electric carbon mark pipe internally coated with stress is evacuated the plastic structure pipe can utilize high-power electron beam or high energy gamma rays, carries out crosslinking with radiation, and heating expands into anti-electric carbon mark pipe internally coated with stress and evacuates the plastic structure pipe then, the feasible effect that reaches pyrocondensation.
Description of drawings
Fig. 1 is that anti-electric carbon mark pipe internally coated with stress is evacuated the plastic structure schematic diagram in the first embodiment of the invention;
Fig. 2 evacuates the schematic diagram that plastic structure is applied to midium voltage cable for anti-electric carbon mark pipe internally coated with stress in the second embodiment of the invention.
Embodiment
Technical scheme is for a better understanding of the present invention described embodiment provided by the invention in detail below in conjunction with accompanying drawing.
Please refer to shown in Figure 1ly, illustrate that below in conjunction with first embodiment anti-electric carbon mark pipe internally coated with stress provided by the present invention evacuates plastic structure, this anti-electric carbon mark pipe internally coated with stress is evacuated the outer layer body 2 that plastic structure comprises internal layer body 1 and places internal layer body 1 outside.Internal layer body 1 is made of stress control material.This stress control material can be that high density polyethylene pipe (HDPE) or polyethylene from high pressure process (LDPE) or linear polyethylene (LLDPE) or polyethylene or polyethylene-ethyl acrylate (EEA) or haloflex or carbon black or other improve the blend that the filler of dielectric constants or above-mentioned any two kinds (or more than) chemical substance is mixed, by adding organic or inorganic filler, the stress control material dielectric constant that makes its internal layer greater than 10, specific insulation heavy rain 108 Ω .cm.Outer layer body 2 is made of crosslinking with radiation type crystalline polyolefin insulating material, and crosslinking with radiation type crystalline polyolefin can be the blend that the blend that mixes of high density polyethylene pipe (HDPE) or polyethylene from high pressure process (LDPE) or linear polyethylene (LLDPE) or polyethylene or dimly-ethyl acrylate (EEA) or above-mentioned any two kinds of chemical substances or above-mentioned chemical substance are mixed.By the fusion co-extrusion technology above-mentioned stress control material and the crosslinking with radiation type crystalline polyolefin with hot melt character are combined into the compound heat-shrinkable tube of insulation/stress.
Please refer to shown in Figure 2, this embodiment is that anti-electric carbon mark pipe internally coated with stress is evacuated the effect that plastic structure is applied in the midium voltage cable to be reached: described cable is followed successively by cable core 7, cable insulation 6, cable semiconductive layer 5, cable copper shield 4, cable jacket 3 from inside to outside, and the cable phenomenon of cable termination is terminal to be connected with metal connection terminal 5.Directly over cable semiconductive layer 5 gaps, cable copper shield 4 gaps and cable insulation 6, use anti-electric carbon mark pipe internally coated with stress to evacuate the plastic structure heat-shrinkable tube.
Because it is effectively bonding that the colloid of internal layer body 1 can form with the pyrocondensation insulating material of outer layer body 2, can avoid producing the slit between stress material and the pyrocondensation insulated tube, prolong the pyrocondensation electric cable accessories purpose in useful life thereby reach.
The foregoing description discloses a kind of anti-electric carbon mark pipe internally coated with stress and has evacuated plastic structure, this anti-electric carbon mark pipe internally coated with stress is evacuated plastic structure and is applied to cable termination, and this anti-electric carbon mark pipe internally coated with stress is evacuated plastic structure and comprised internal layer body and the outer layer body that places the internal layer external body.Because of the internal layer of the compound heat-shrinkable tube of this insulation/stress is provided with continuous stress control material, because of this Stress Control the back is installed and becomes one, thereby the Stress Control body of having avoided producing because of the reason of expanding with heat and contract with cold is with the slight void between the pyrocondensation insulated tube with outer field isolating shrinkable material.Anti-electric carbon mark pipe internally coated with stress is evacuated plastic structure and is comprised internal layer body and the outer layer body that places the internal layer external body, thereby effectively reaches the purpose of avoiding the power cable breakdown to take place.In addition, above-mentioned anti-electric carbon mark pipe internally coated with stress is evacuated the plastic structure pipe can utilize high-power electron beam or high energy gamma rays, carries out crosslinking with radiation, and heating expands into the double layer continuous complex then, makes to reach compound and the pyrocondensation effect.
More than to the embodiment of the invention provided a kind of anti-electric carbon mark pipe internally coated with stress evacuate plastic structure and be described in detail, for one of ordinary skill in the art, thought according to the embodiment of the invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (4)
1. an anti-electric carbon mark pipe internally coated with stress is evacuated plastic structure, and it is characterized in that: comprise internal layer body and outer layer body, on the described internal layer body stress control material is set, outer layer body is an anti-electric carbon mark heat shrinkage insulation material.
2. anti-electric carbon mark pipe internally coated with stress as claimed in claim 1 is evacuated plastic structure, and it is characterized in that: described stress control material is the filler of high density polyethylene pipe HDPE, polyethylene from high pressure process LDPE, linear polyethylene LLDPE, polyethylene or polyethylene-ethyl acrylate EEA, haloflex, carbon black, raising dielectric constant or any or two or more mixture of non-linear resistance material.
3. anti-electric carbon mark pipe internally coated with stress as claimed in claim 1 is evacuated plastic structure, it is characterized in that: anti-electric carbon mark heat shrinkage insulation material is a crosslinking with radiation type crystalline polyolefin insulating material, and described crosslinking with radiation type crystalline polyolefin insulating material is any or two or more mixture of high density polyethylene pipe HDPE, polyethylene from high pressure process LDPE, linear polyethylene LLDPE, polyethylene or polyethylene-ethyl acrylate EEA.
4. anti-electric carbon mark pipe internally coated with stress as claimed in claim 1 is evacuated plastic structure, it is characterized in that: described internal layer body also adds organic or inorganic filler, the stress control material dielectric constant that makes its internal layer body greater than 10, specific insulation is greater than 108 Ω .cm, perhaps has non-linear resistance characteristic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101082243A CN101931203A (en) | 2009-06-19 | 2009-06-19 | Structure of anti-electric carbon mark pipe internally coated with stress evacuating glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101082243A CN101931203A (en) | 2009-06-19 | 2009-06-19 | Structure of anti-electric carbon mark pipe internally coated with stress evacuating glue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101931203A true CN101931203A (en) | 2010-12-29 |
Family
ID=43370219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101082243A Pending CN101931203A (en) | 2009-06-19 | 2009-06-19 | Structure of anti-electric carbon mark pipe internally coated with stress evacuating glue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101931203A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104059568A (en) * | 2013-03-20 | 2014-09-24 | 长春中科应化特种材料有限公司 | Hot melt adhesive capable of evacuating electric stress and production method thereof |
| CN106328285A (en) * | 2015-07-02 | 2017-01-11 | 住友电气工业株式会社 | multi-core cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5281757A (en) * | 1992-08-25 | 1994-01-25 | Pirelli Cable Corporation | Multi-layer power cable with metal sheath free to move relative to adjacent layers |
| CN101330200A (en) * | 2007-09-21 | 2008-12-24 | 深圳市长园新材料股份有限公司 | Thermal shrinkage type composite casing tube for cable midst joint and manufacturing method thereof |
| CN201170411Y (en) * | 2007-11-05 | 2008-12-24 | 深圳市宏商热缩材料有限公司 | Insulation/stress composite thermal contraction tube |
| CN201238188Y (en) * | 2008-05-05 | 2009-05-13 | 深圳市宏商材料科技股份有限公司 | Conductive coating type thermal shrinkage stress control tube |
-
2009
- 2009-06-19 CN CN2009101082243A patent/CN101931203A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5281757A (en) * | 1992-08-25 | 1994-01-25 | Pirelli Cable Corporation | Multi-layer power cable with metal sheath free to move relative to adjacent layers |
| CN101330200A (en) * | 2007-09-21 | 2008-12-24 | 深圳市长园新材料股份有限公司 | Thermal shrinkage type composite casing tube for cable midst joint and manufacturing method thereof |
| CN201170411Y (en) * | 2007-11-05 | 2008-12-24 | 深圳市宏商热缩材料有限公司 | Insulation/stress composite thermal contraction tube |
| CN201238188Y (en) * | 2008-05-05 | 2009-05-13 | 深圳市宏商材料科技股份有限公司 | Conductive coating type thermal shrinkage stress control tube |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104059568A (en) * | 2013-03-20 | 2014-09-24 | 长春中科应化特种材料有限公司 | Hot melt adhesive capable of evacuating electric stress and production method thereof |
| CN106328285A (en) * | 2015-07-02 | 2017-01-11 | 住友电气工业株式会社 | multi-core cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2015400020B2 (en) | Electric power cable and a process for the production of the power cable | |
| CN201170411Y (en) | Insulation/stress composite thermal contraction tube | |
| CN102168783B (en) | Superconductive cable system | |
| CN101931203A (en) | Structure of anti-electric carbon mark pipe internally coated with stress evacuating glue | |
| CN205943495U (en) | PV1 F photovoltaic cable | |
| Li et al. | Nonlinear electric conduction of CCTO/EPDM composites used for reinforced insulation in cable accessory | |
| CN201121791Y (en) | Coating type thermal shrinkage stress control tube | |
| CN101986520A (en) | Sealing method of refrigeration motor outgoing line | |
| CN201238188Y (en) | Conductive coating type thermal shrinkage stress control tube | |
| CN201129562Y (en) | Insulated / elastic stress material composite thermal contraction pipe | |
| CN221427429U (en) | Temperature-control type computer cable | |
| CN208157098U (en) | A kind of lightning protection direct-buried cable | |
| CN103794276A (en) | Flexible high-voltage direct-current cross-linked polyethylene insulation power cable | |
| CN201303245Y (en) | Three-layered composite cable transition joint | |
| CN216014959U (en) | Flame-retardant double-wall heat-shrinkable tube | |
| CN201601461U (en) | Elastic heat-shrink cable accessory | |
| CN202948774U (en) | Highly-waterproof, corrosion-resistant, high-protection and high-tension cable | |
| CN102376402A (en) | Heat shrinkage bush | |
| CN209357510U (en) | A kind of environment-friendly cable with long service life | |
| CN202434258U (en) | Novel high voltage and ultrahigh voltage crosslinked polyethylene insulated power cable | |
| CN204166981U (en) | A kind of crosslinking with radiation cable | |
| CN204029423U (en) | A kind of flexible high pressure direct current power cable with cross-linked polyethylene insulation | |
| CN206726837U (en) | Flame-retardant medium-pressure power cable for frequency converter | |
| CN101923914A (en) | Compound crosslinked polyethylene insulated aerial cable | |
| CN204614491U (en) | Fully dry high resistance water communication cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101229 |