CN104332229A - Power cable with drying layer - Google Patents
Power cable with drying layer Download PDFInfo
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- CN104332229A CN104332229A CN201410517328.0A CN201410517328A CN104332229A CN 104332229 A CN104332229 A CN 104332229A CN 201410517328 A CN201410517328 A CN 201410517328A CN 104332229 A CN104332229 A CN 104332229A
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- parts
- drying layer
- cable
- power cable
- metal mesh
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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
Abstract
The invention provides a power cable with a metal mesh structure. The power cable comprises a cable shell and a cable core. The power cable also comprises the metal mesh structure which is arranged at the internal surface of the cable shell. The metal mesh structure comprises a flexible substrate and a metal mesh which is arranged at the surface of the flexible substrate. The metal mesh is composed of a first metal mesh line and a second metal mesh line which are intersected with each other, and the first metal mesh line and the second metal mesh line are made of conductive material. One side provided with the metal mesh structure orients towards the cable shell. According to the power cable with the metal mesh structure, the metal mesh is applied to be adhered on the flexible substrate, and one side provided with the metal mesh orients towards the outside so as to be well insulated from the cable core and great in inflexibility, and relatively disordered metal wires do not occur in cutting. Besides, metal material enhancing rigidity and adhesive force of the metal mesh structure is additionally arranged in metal material so that stability of the metal mesh structure is enhanced.
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.Be usually used in Urban Underground electrical network, the lead line in power station, the in-line power of industrial and mining enterprises and cross river, excessively extra large submarine transmission line.In power circuit, the proportion shared by cable increases just gradually.Power cable is in order to transmission and the cable product distributing high-power power in the basic routing line of electric power system, comprising 1-500KV and above various electric pressure, and the power cable of various insulation.
Power cable is all generally use out of doors, or be embedded in underground, environment around generally all can be relatively more severe, 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 larger, or even be embedded in seabed etc., the long like this environment being arranged in high humility, very large injury will certainly be caused to cable itself, moreover power cable has very strong radiation, also can have a great impact for the people near power cable.But cable of the prior art is only provided with copper mesh or steel wire in inside, ensures the transmission of signal, do not have drying layer, such steam is very easy to damage cable core; So these problems are all 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 comprises cable jacket and cable core, it is characterized in that, described power cable also comprises drying layer structure, drying layer structure is located at cable jacket inner surface, and described drying layer structure comprises flexible substrate, polymeric layer and drying layer, and drying layer is embedded at the surperficial side of polymeric layer away from flexible substrate, described drying layer is formed by the arrangement of dried pieces array, and described dried pieces is made up of drier; Distance between described adjacent dried pieces is 150 μm ~ 300 μm, and between described adjacent dried pieces mutually
independent;
Described drier 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 comprises protective layer, and described protective layer covers drying layer, makes dried pieces protected, and wherein, the material of described protective layer is selected from UV glue, OCA and acrylic glue a kind of.
Another preferred version, described drying layer structure can also be continuous structure, and described drying layer structure comprises dry part and connector, described dry part array arrangement, and is connected by connector between adjacent dry part, forms holistic drying layer; Wherein, composite material is filled with in dry part.
Another preferred version, described composite material is made up of aluminium, nickel, chromium, bentonite, attapulgite, silica gel, calcium chloride, magnesium sulfate, calcium sulfate, silicon dioxide and polyacrylamide; Wherein, aluminium: 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, described cable core outside is coated with drying layer structure, and described drying layer structure and described cable core are isolated by gelatinous layer.
Beneficial effect of the present invention:
1) a kind of power cable with drying layer provided by the invention, this structure adopts and be equipped with drying layer between cable core and cable jacket, well can stop the invasion of steam like this, plays the effect of protection cable; On the other hand, be provided with drying layer equally in every root cable core periphery, like this duplicate protection played to cable;
2) a kind of power cable with drying layer provided by the invention, the structure of another kind of drying layer is an overall structure, this structure also adds some metallicses in the material of drying layer, can play cable core protective effect like this, and also can reduce cable to external radiation;
3) a kind of power cable with drying layer provided by the invention; this structure is also at the resistant to elevated temperatures protective material of drying layer surface-coated one deck; form protective layer; make drying layer between flexible substrates and protective layer; form " sandwich " structure; like this multiple protective is played to drying layer, make its stable performance, be not easy drier is come off.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below by embodiment or description of the prior art required use attached
figurebe briefly described.
figure1 is that a kind of power cable structure with drying layer is illustrated
figure;
figure2 is the signal of drying layer cross section structure
figure;
figure3 is drying layer another kind of structural plan signal
figure.
Embodiment
Attached below in conjunction with in the embodiment of the present invention
figure, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
As
figureshown in 1, a kind of power cable with drying layer, power cable 10 comprises cable jacket 101 and cable core 103, and described power cable 10 also comprises drying layer structure 102, and drying layer structure 102 is located at cable jacket 101 inner surface, as
figure2, shown in 3, wherein, described drying layer structure 102 comprises flexible substrate 3, polymeric layer 31 and drying layer 21, drying layer 21 is embedded at the surperficial side of polymeric layer 31 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 drier; Distance between described adjacent dried pieces 2 is 150 μm ~ 300 μm, and between described adjacent dried pieces 21 mutually
independent; A kind of power cable with drying layer provided by the invention, this structure adopts and be equipped with drying layer between cable core and cable jacket, well can stop the invasion of steam like this, plays the effect of protection cable; On the other hand, be provided with drying layer equally in every root cable core periphery, like this duplicate protection played to cable.
As
figureshown in 3, wherein, also comprise protective layer 4, described protective layer 4 covers drying layer 21, and dried pieces 2 is protected, and wherein, the material of described protective layer 4 is selected from UV glue, OCA and acrylic glue a kind of; A kind of power cable with drying layer provided by the invention; this structure is also at the resistant to elevated temperatures protective material of drying layer surface-coated one deck; form protective layer; make drying layer between flexible substrates and protective layer; form " sandwich " structure; like this multiple protective is played to drying layer, make its stable performance, be not easy drier is come off.
Another preferred version, as
figureshown in 3, wherein, described drying layer structure 102 can also be continuous structure, described drying layer structure 102 comprises dry 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, composite material is filled with in dry part 51; A kind of power cable with drying layer provided by the invention; the structure of drying layer is an overall structure; this structure also adds some metallicses in the material of drying layer, can play cable core protective effect like this, and also can reduce cable to external radiation.
Embodiment 2
As
figure2, shown in 3, wherein, described drying layer structure 102 comprises flexible substrate 3, polymeric layer 31 and drying layer 21, drying layer 21 is embedded at the surperficial side of polymeric layer 31 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 drier; Described drier is made up of bentonite, attapulgite, silica gel, calcium chloride, magnesium sulfate, calcium sulfate, silicon dioxide and polyacrylamide.
Wherein, get two containers respectively, get bentonite: 50 parts, 55 parts, attapulgite: 20 parts, 27 parts, silica gel: 22 parts, 25 parts, calcium chloride: 15 parts, 20 parts, put into two containers respectively, then by magnesium sulfate: 8 parts, calcium sulfate: 12 parts, silicon dioxide: 18 parts, polyacrylamide: 3 parts, puts into two containers respectively, then, be configured to ink, adopted the mode of silk screen printing, drier is filled in inside, makes drier be embedded at polymeric layer 31; Finally, use protective layer 4 to cover drying layer 21, dried pieces 2 is protected, wherein, the material of described protective layer 4 is selected from UV glue, OCA and acrylic glue a kind of.
Embodiment 3
As
figureshown in 3, another preferred version, described drying layer structure 102 can also be continuous structure, described drying layer structure 102 comprises dry 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, composite material is filled with in dry part 51; Described composite material is made up of aluminium, nickel, chromium, bentonite, attapulgite, silica gel, calcium chloride, magnesium sulfate, calcium sulfate, silicon dioxide and polyacrylamide.
Wherein, get aluminium 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 into container, then, be configured to ink, adopt the mode of silk screen printing, composite material is formed and substrate; This kind of structure adds some metallicses in the material of drying layer like this, can play cable core protective effect like this, and also can reduce cable to external radiation.
Be mixed with ink getting 35 parts, aluminium and other materials, continue to adopt above-mentioned technique, composite material is formed and substrate, this kind of structure prevent radiance better, main cause is the increase of amount of metal, strengthens radiation resistance.
Wherein, in embodiment 1 ~ 3, described cable core 103 outside is coated with drying layer structure 102, and described drying layer structure 102 and described cable core 4 are isolated by gelatinous layer.
The chemical general formula of the silica gel adopted in all embodiments is mSiO2nH2O.
The beneficial effect that the present invention brings: a kind of power cable with drying layer provided by the invention, this structure adopts and be equipped with drying layer between cable core and cable jacket, well can stop the invasion of steam like this, plays the effect of protection cable; On the other hand, be provided with drying layer equally in every root cable core periphery, like this duplicate protection played to cable; 2) a kind of power cable with drying layer provided by the invention, the structure of another kind of drying layer is an overall structure, this structure also adds some metallicses in the material of drying layer, can play cable core protective effect like this, and also can reduce cable to external radiation; 3) a kind of power cable with drying layer provided by the invention; this structure is also at the resistant to elevated temperatures protective material of drying layer surface-coated one deck; form protective layer; make drying layer between flexible substrates and protective layer; form " sandwich " structure; like this multiple protective is played to drying layer, make its stable performance, be not easy drier is come off.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. the power cable with drying layer, power cable (10) comprises cable jacket (101) and cable core (103), it is characterized in that, described power cable (10) also comprises drying layer structure (102), drying layer structure (102) is located at cable jacket (101) inner surface, described drying layer structure (102) comprises flexible substrate (3), polymeric layer (31) and drying layer (21), drying layer (21) is embedded at the surperficial side of polymeric layer (31) 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 drier, distance between described adjacent dried pieces (2) is 150 μm ~ 300 μm, and separate between described adjacent dried pieces (21),
Described drier 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.
2. as claimed in claim 1 with the power cable of drying layer; it is characterized in that; also comprise protective layer (4); described protective layer (4) covers drying layer (21); dried pieces (2) is protected; wherein, the material of described protective layer (4) is selected from UV glue, OCA and acrylic glue a kind of.
3. as claimed in claim 1 with the power cable of drying layer, it is characterized in that, described drying layer structure (102) can also be continuous structure, described drying layer structure (102) comprises dry 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, composite material is filled with in dry part (51).
4., as claimed in claim 3 with the power cable of drying layer, it is characterized in that, described composite material is made up of aluminium, nickel, chromium, bentonite, attapulgite, silica gel, calcium chloride, magnesium sulfate, calcium sulfate, silicon dioxide and polyacrylamide; Wherein, aluminium: 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.
5. the power cable with drying layer as described in as arbitrary in claim 1 ~ 4, it is characterized in that, described cable core (103) outside is coated with drying layer structure (102), and described drying layer structure (102) and described cable core (4) are isolated by gelatinous layer.
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 true CN104332229A (en) | 2015-02-04 |
| CN104332229B CN104332229B (en) | 2016-09-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410517328.0A Active CN104332229B (en) | 2014-09-30 | 2014-09-30 | A kind of power cable with drying layer |
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Citations (8)
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|---|---|---|---|---|
| CN1422431A (en) * | 2000-04-03 | 2003-06-04 | 兰特尔公司 | Cable tape and method for manufacturing a cable tape |
| US7406233B2 (en) * | 2006-11-22 | 2008-07-29 | Corning Cable Systems Llc | Fiber optic cable having a dry insert with a fold |
| CN101281801A (en) * | 2008-05-19 | 2008-10-08 | 国家海洋局第一海洋研究所 | Multifunctional underwater towing line |
| 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 |
| 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 |
| CN103500605A (en) * | 2013-10-16 | 2014-01-08 | 江苏昊达有限责任公司 | Moisture-proof steel strip for cable |
| CN103824626A (en) * | 2012-11-19 | 2014-05-28 | 王冲 | Water-resisting cable |
-
2014
- 2014-09-30 CN CN201410517328.0A patent/CN104332229B/en active Active
Patent Citations (8)
| 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 |
| US7406233B2 (en) * | 2006-11-22 | 2008-07-29 | Corning Cable Systems Llc | Fiber optic cable having a dry insert with a fold |
| CN101281801A (en) * | 2008-05-19 | 2008-10-08 | 国家海洋局第一海洋研究所 | Multifunctional underwater towing line |
| 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 |
| 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 |
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| CN104332229B (en) | 2016-09-14 |
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