CN104332229B - A kind of power cable with drying layer - Google Patents
A kind of power cable with drying layer Download PDFInfo
- Publication number
- CN104332229B CN104332229B CN201410517328.0A CN201410517328A CN104332229B CN 104332229 B CN104332229 B CN 104332229B CN 201410517328 A CN201410517328 A CN 201410517328A CN 104332229 B CN104332229 B CN 104332229B
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- Prior art keywords
- drying layer
- cable
- layer
- parts
- drying
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- 238000001035 drying Methods 0.000 title claims abstract description 95
- 239000010410 layer Substances 0.000 claims abstract description 100
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 239000013047 polymeric layer Substances 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 31
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 20
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 20
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 229910002027 silica gel Inorganic materials 0.000 claims description 11
- 239000000741 silica gel Substances 0.000 claims description 11
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 10
- 229960000892 attapulgite Drugs 0.000 claims description 10
- 229910000278 bentonite Inorganic materials 0.000 claims description 10
- 239000000440 bentonite Substances 0.000 claims description 10
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 10
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 10
- 239000001110 calcium chloride Substances 0.000 claims description 10
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 10
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 10
- 229910052625 palygorskite Inorganic materials 0.000 claims description 10
- 229920002401 polyacrylamide Polymers 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 10
- 235000012239 silicon dioxide Nutrition 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 235000011148 calcium chloride Nutrition 0.000 claims description 5
- 235000011132 calcium sulphate Nutrition 0.000 claims description 5
- 239000011241 protective layer Substances 0.000 abstract description 16
- 239000002274 desiccant Substances 0.000 abstract description 12
- 230000001681 protective effect Effects 0.000 abstract description 9
- 230000005855 radiation Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009545 invasion Effects 0.000 abstract description 4
- 239000003292 glue Substances 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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 invention discloses a kind of power cable with drying layer, power cable includes cable jacket and cable core, it is characterized in that, described power cable also includes drying layer structure, drying layer structure is located at cable jacket inner surface, and described drying layer structure includes flexible substrate, polymeric layer and drying layer, and drying layer is embedded at the polymeric layer side, surface away from flexible substrate, described drying layer is formed by the arrangement of dried pieces array, and described dried pieces is made up of desiccant；Distance between described adjacent dried pieces is separate between 150 μm ~ 300 μm, and described adjacent dried pieces；Present configuration uses and is equipped with drying layer between cable core and cable jacket, so can well stop the invasion of steam, plays the effect of protection cable；It is again provided with drying layer every cable core periphery; cable so plays duplicate protection, and the structure of drying layer is an overall structure, and this structure also adds some metallicses in the material of drying layer; so can play cable core protective effect, and also can reduce cable to external radiation；This structure, also at the resistant to elevated temperatures protection material of drying layer surface-coated one layer, forms protective layer, makes drying layer between flexible substrates and protective layer; form " sandwich " structure; so drying layer is played multiple protective so that it is stable performance, it is not easy to make desiccant come off.
Description
Technical field
The present invention relates to a kind of power cable technical field, particularly relate to a kind of power cable with drying layer.
Background technology
Power cable (power cable), for transmitting and distribute the cable of electric energy.It is usually used in Urban Underground electrical network, the lead line of electric station, the in-line power of industrial and mining establishment and crosses the submarine transmission line in river, excessively sea.In power circuit, the proportion shared by cable is just gradually increased.Power cable is in order to transmit and to distribute the cable product of high-power power in the basic routing line of power system, including 1-500KV and any of the above electric pressure, the power cable of various insulation.
Power cable is typically all with out of doors, or being embedded in underground, environment around the most all can compare badly, and our surrounding all also exists a large amount of steam, the location comparison that some power cables are arranged is special, interference humidity around can be bigger, is even embedded in seabed etc., is positioned at the most for a long time in the environment of high humility, cable itself will certainly be caused the biggest injury, furthermore, power cable has the strongest radiation, also can have a great impact for the people near power cable.But, cable of the prior art is provided only with copper mesh or steel wire in inside, ensures the transmission of signal, does not has drying layer, and such steam is very easy to damage cable core；So these problems are the most urgently to be resolved hurrily.
Summary of the invention
Technical solution of the present invention is as follows: a kind of power cable with drying layer, power cable includes cable jacket and cable core, it is characterized in that, described power cable also includes drying layer structure, drying layer structure is located at cable jacket inner surface, and described drying layer structure includes flexible substrate, polymeric layer and drying layer, and drying layer is embedded at the polymeric layer side, surface away from flexible substrate, described drying layer is formed by the arrangement of dried pieces array, and described dried pieces is made up of desiccant；Distance between described adjacent dried pieces is separate between 150 μm ~ 300 μm, and described adjacent dried pieces；
Described desiccant is made up of bentonite, attapulgite, silica gel, calcium chloride, magnesium sulfate, calcium sulfate, silicon dioxide and polyacrylamide；Wherein, bentonite: 50 ~ 60 parts, attapulgite: 20 ~ 35 parts, silica gel: 22～25 parts, calcium chloride: 15～20 parts, magnesium sulfate: 8 parts, calcium sulfate: 12 parts, silicon dioxide: 18 parts, polyacrylamide: 3 parts.
Another preferred version, also includes protective layer, and described protective layer covers drying layer, makes dried pieces be protected, and wherein, the material of described protective layer is a kind of in UV glue, OCA and acrylic glue.
Another preferred version, described drying layer structure can also be continuous structure, and described drying layer structure includes being dried part and connector, described dry part array arrangement, and is connected by connector between adjacent dry part, forms holistic drying layer；Wherein, dry part is filled with mixing material.
Another preferred version, described mixing material is made up of aluminum, nickel, chromium, bentonite, attapulgite, silica gel, calcium chloride, magnesium sulfate, calcium sulfate, silicon dioxide and polyacrylamide；Wherein, aluminum: 30 ~ 35 parts, nickel: 10 parts, chromium: 10 parts, bentonite: 50 ~ 60 parts, attapulgite: 20 ~ 35 parts, silica gel: 22～25 parts, calcium chloride: 15～20 parts, magnesium sulfate: 8 parts, calcium sulfate: 12 parts, silicon dioxide: 18 parts, polyacrylamide: 3 parts.
Another preferred version, is coated with drying layer structure outside described cable core, and described drying layer structure is isolated by gelatinous layer with described cable core.
Beneficial effects of the present invention:
1) a kind of power cable with drying layer that the present invention provides, this structure uses and is equipped with drying layer between cable core and cable jacket, so can well stop the invasion of steam, plays the effect of protection cable；On the other hand, it is again provided with drying layer every cable core periphery, so cable is played duplicate protection；
2) a kind of power cable with drying layer that the present invention provides; the structure of another kind of drying layer is an overall structure; this structure also adds some metallicses in the material of drying layer, so can play cable core protective effect, and also can reduce cable to external radiation；
3) a kind of power cable with drying layer that the present invention provides; this structure is also at the resistant to elevated temperatures protection material of drying layer surface-coated one layer; form protective layer; make drying layer between flexible substrates and protective layer; form " sandwich " structure; so drying layer is played multiple protective so that it is stable performance, it is not easy to make desiccant come off.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below.
Fig. 1 is a kind of power cable structure schematic diagram with drying layer；
Fig. 2 is drying layer structural plan schematic diagram；
Fig. 3 is drying layer another kind structural plan schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment 1
As shown in Figure 1, a kind of power cable with drying layer, power cable 10 includes cable jacket 101 and cable core 103, described power cable 10 also includes drying layer structure 102, drying layer structure 102 is located at cable jacket 101 inner surface, as shown in Figure 2,3, wherein, described drying layer structure 102 includes flexible substrate 3, polymeric layer 31 and drying layer 21, drying layer 21 is embedded at the polymeric layer 31 side, surface away from flexible substrate 3, described drying layer 21 is formed by the arrangement of dried pieces 2 array, and described dried pieces 2 is made up of desiccant；Distance between described adjacent dried pieces 2 is separate between 150 μm ~ 300 μm, and described adjacent dried pieces 21；A kind of power cable with drying layer that the present invention provides, this structure uses and is equipped with drying layer between cable core and cable jacket, so can well stop the invasion of steam, plays the effect of protection cable；On the other hand, it is again provided with drying layer every cable core periphery, so cable is played duplicate protection.
As in figure 2 it is shown, wherein, also including that protective layer 4, described protective layer 4 cover drying layer 21, make dried pieces 2 be protected, wherein, the material of described protective layer 4 is a kind of in UV glue, OCA and acrylic glue；A kind of power cable with drying layer that the present invention provides; this structure is also at the resistant to elevated temperatures protection material of drying layer surface-coated one layer; form protective layer; make drying layer between flexible substrates and protective layer; form " sandwich " structure; so drying layer is played multiple protective so that it is stable performance, it is not easy to make desiccant come off.
Another preferred version, wherein, described drying layer structure 102 can also be continuous structure, described drying layer structure 102 includes being dried part 51 and connector 52, described dry part 51 array arrangement, and connected by connector 52 between adjacent dry part 51, form holistic drying layer；Wherein, dry part 51 is filled with mixing material；A kind of power cable with drying layer that the present invention provides, the structure of drying layer is an overall structure, and this structure also adds some metallicses in the material of drying layer, so can play cable core protective effect, and also can reduce cable to external radiation.
Embodiment 2
As shown in Figure 2,3, wherein, described drying layer structure 102 includes flexible substrate 3, polymeric layer 31 and drying layer 21, drying layer 21 is embedded at the polymeric layer 31 side, surface away from flexible substrate 3, described drying layer 21 is formed by the arrangement of dried pieces 2 array, and described dried pieces 2 is made up of desiccant；Described desiccant is made up of bentonite, attapulgite, silica gel, calcium chloride, magnesium sulfate, calcium sulfate, silicon dioxide and polyacrylamide.
Wherein, take two containers respectively, take bentonite: 50 parts, 55 parts, attapulgite: 20 parts, 27 parts, silica gel: 22 parts, 25 parts, calcium chloride: 15 parts, 20 parts, it is respectively put in two containers, then by magnesium sulfate: 8 parts, calcium sulfate: 12 parts, silicon dioxide: 18 parts, polyacrylamide: 3 parts, it is respectively put in two containers, then, it is configured to ink, uses the mode of silk screen printing, desiccant is filled in inside, makes desiccant be embedded at polymeric layer 31；Finally, using protective layer 4 to cover drying layer 21, make dried pieces 2 be protected, wherein, the material of described protective layer 4 is a kind of in UV glue, OCA and acrylic glue.
Embodiment 3
Another preferred version, described drying layer structure 102 can also be continuous structure, and described drying layer structure 102 includes being dried part 51 and connector 52, described dry part 51 array arrangement, and connected by connector 52 between adjacent dry part 51, form holistic drying layer；Wherein, dry part 51 is filled with mixing material；Described mixing material is made up of aluminum, nickel, chromium, bentonite, attapulgite, silica gel, calcium chloride, magnesium sulfate, calcium sulfate, silicon dioxide and polyacrylamide.
Wherein, take aluminum respectively: 30 parts, nickel: 10 parts, chromium: 10 parts, bentonite: 60 parts, attapulgite: 35 parts, silica gel: 25 parts, calcium chloride: 20 parts, magnesium sulfate: 8 parts, calcium sulfate: 12 parts, silicon dioxide: 18 parts, polyacrylamide: 3 parts；Put in container, then, be configured to ink, use the mode of silk screen printing, mixing material is formed and substrate；So this kind structure adds some metallicses in the material of drying layer, so can play cable core protective effect, and also can reduce cable to external radiation.
Taking 35 parts of aluminum and other materials is configured to ink, continuing to use above-mentioned technique, mixing material is formed and substrate, this kind of structure prevent radiance more preferable, main cause is the increase of amount of metal, strengthens radiation resistance.
Wherein, in embodiment 1 ~ 3, described cable core 103 is outside is coated with drying layer structure 102, and described drying layer structure 102 is isolated by gelatinous layer with described cable core 4.
The chemical general formula of the silica gel employed in all embodiments is mSiO2 nH2O.
The beneficial effect that the present invention brings: a kind of power cable with drying layer that the present invention provides, this structure uses and is equipped with drying layer between cable core and cable jacket, so can well stop the invasion of steam, plays the effect of protection cable；On the other hand, it is again provided with drying layer every cable core periphery, so cable is played duplicate protection；2) a kind of power cable with drying layer that the present invention provides; the structure of another kind of drying layer is an overall structure; this structure also adds some metallicses in the material of drying layer, so can play cable core protective effect, and also can reduce cable to external radiation；3) a kind of power cable with drying layer that the present invention provides; this structure is also at the resistant to elevated temperatures protection material of drying layer surface-coated one layer; form protective layer; make drying layer between flexible substrates and protective layer; form " sandwich " structure; so drying layer is played multiple protective so that it is stable performance, it is not easy to make desiccant come off.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (1)
- null1. the power cable with drying layer，Power cable (10) includes cable jacket (101) and cable core (103)，Described power cable (10) includes drying layer structure (102)，Drying layer structure (102) is located at cable jacket (101) inner surface，Described drying layer structure (102) includes flexible substrate (3)、Polymeric layer (31) and drying layer (21)，Drying layer (21) is embedded at the polymeric layer (31) side, surface away from flexible substrate (3)，Described drying layer structure (102) is continuous structure，It is characterized in that，Described drying layer structure (102) includes being dried part (51) and connector (52)，Described dry part (51) array arrangement，And connected by connector (52) between adjacent dry part (51)，Form holistic drying layer；Wherein, dry part (51) is filled with mixing material；Described mixing material is made up of aluminum, nickel, chromium, bentonite, attapulgite, silica gel, calcium chloride, magnesium sulfate, calcium sulfate, silicon dioxide and polyacrylamide；Wherein, aluminum: 30 ~ 35 parts, nickel: 10 parts, chromium: 10 parts, bentonite: 50 ~ 60 parts, attapulgite: 20 ~ 35 parts, silica gel: 22～25 parts, calcium chloride: 15～20 parts, magnesium sulfate: 8 parts, calcium sulfate: 12 parts, silicon dioxide: 18 parts, polyacrylamide: 3 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410517328.0A CN104332229B (en) | 2014-09-30 | 2014-09-30 | A kind of power cable with drying layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410517328.0A CN104332229B (en) | 2014-09-30 | 2014-09-30 | A kind of power cable with drying layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104332229A CN104332229A (en) | 2015-02-04 |
| CN104332229B true CN104332229B (en) | 2016-09-14 |
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| CN201410517328.0A Active CN104332229B (en) | 2014-09-30 | 2014-09-30 | A kind of power cable with drying layer |
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| Country | Link |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1422431A (en) * | 2000-04-03 | 2003-06-04 | 兰特尔公司 | Cable tape and method for manufacturing a cable tape |
| CN201503904U (en) * | 2009-08-07 | 2010-06-09 | 江苏东强股份有限公司 | Leaky coaxial cable with compound bonding layer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7406233B2 (en) * | 2006-11-22 | 2008-07-29 | Corning Cable Systems Llc | Fiber optic cable having a dry insert with a fold |
| CN101281801B (en) * | 2008-05-19 | 2011-02-09 | 国家海洋局第一海洋研究所 | Multifunctional underwater towing line |
| CN102638573A (en) * | 2012-03-19 | 2012-08-15 | 中国联合网络通信集团有限公司 | Service information sending method, service information customizing platform device and service information customizing system |
| CN102855997A (en) * | 2012-08-31 | 2013-01-02 | 昆山市奋发绝缘材料有限公司 | Water-blocking tape of moistureproof electricity cable |
| CN103824626A (en) * | 2012-11-19 | 2014-05-28 | 王冲 | Water-resisting cable |
| CN103500605A (en) * | 2013-10-16 | 2014-01-08 | 江苏昊达有限责任公司 | Moisture-proof steel strip for cable |
-
2014
- 2014-09-30 CN CN201410517328.0A patent/CN104332229B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1422431A (en) * | 2000-04-03 | 2003-06-04 | 兰特尔公司 | Cable tape and method for manufacturing a cable tape |
| CN201503904U (en) * | 2009-08-07 | 2010-06-09 | 江苏东强股份有限公司 | Leaky coaxial cable with compound bonding layer |
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| CN104332229A (en) | 2015-02-04 |
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