CN104269216A - Local protection tube for power cable - Google Patents
Local protection tube for power cable Download PDFInfo
- Publication number
- CN104269216A CN104269216A CN201410517225.4A CN201410517225A CN104269216A CN 104269216 A CN104269216 A CN 104269216A CN 201410517225 A CN201410517225 A CN 201410517225A CN 104269216 A CN104269216 A CN 104269216A
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- China
- Prior art keywords
- parts
- power cable
- substrate
- protection tube
- 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
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- Rigid Pipes And Flexible Pipes (AREA)
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 further comprises the metal mesh structure. The metal mesh structure is arranged on the inner surface of the outer shell of the cable. The metal mesh structure comprises a flexible substrate and a metal mesh, and the metal mesh is arranged on the surface of the flexible substrate and is composed of mutually crossed first metal mesh wires and second metal mesh wires, wherein the first metal mesh wires and the second metal mesh wires are made of conductive materials. The side, with the metal mesh structure, of the power cable faces the cable shell. According to the power cable with the metal mesh structure, the metal mesh is attached to the flexible substrate, the side, with the metal mesh, of the power cable faces outwards, and therefore the metal mesh can be insulated from the cable core well; the flexibility is good, and mess metal wires cannot be generated during cutting; metal materials which can improve the structural rigidity of the metal mesh and increase adhesive force of the metal mesh are added to the metal materials, and therefore the stability of the metal mesh structure is improved.
Description
Technical field
The present invention relates to a kind of power cable technical field, particularly relate to a kind of power cable localised protection pipe.
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 is embedded in underground, and environment around generally all can be more severe, and our surrounding all also exists a large amount of steam, the location comparison that some power cables are arranged is special, and 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, in the cable trough of cable core underground transmission, power cable comes below, and signal optical cable comes top.If the seal failure of power cable seal nipple, the generation steam that is heated of intaking, just can cause joint to burst, and even burning, is commonly called as " cable joint is blown out ", and then is ignited by the signal optical cable above it.The safe operation of underground transmission electrical network, needs and prevents power cable connector to burst the relevant device of signal optical cable of igniting; 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 localised protection pipe, it is characterized in that, described protection tube comprises protection tube tube wall and protection tube seam, wherein, protection tube cross section is circular, and protection tube seam areas is outside protection tube tube wall, and protection tube seam comprises the first joint member and the second joint member, first joint member is provided with buckle towards the side of the second joint member, and buckle and the first joint member are integrated; Second joint member is located at the draw-in groove corresponding with buckle towards the side of the first joint member, and buckle and the mutual grafting of draw-in groove form seam crossing;
Described protection tube tube wall comprises the first drying layer, articulamentum, metal level and the first substrate; Metal level is positioned at the surface of the first substrate, and the first drying layer is connected with metal level by articulamentum; Wherein, the first drying layer comprises the second substrate and drying material, and drying material is positioned at the surface of the second substrate, and towards articulamentum;
Wherein, the first substrate is the inner surface of protection tube tube wall away from a surface of metal level, and the second substrate is the outer surface of protection tube tube wall away from a surface of drying material.
Another preferred version, described protection tube tube wall two ends inner surface is also provided with the second drying layer, and wherein, the thickness of the second drying layer is less than 600 μm, is 10mm ~ 20mm along protection tube length direction width.
Another preferred version, described articulamentum covers drying material, and wherein, the material of described articulamentum is selected from UV glue, OCA and acrylic glue a kind of.
Another preferred version, described metal level is formed at the first substrate surface by the mode of plating; Comprise the following steps:
S1, the first substrate surface to be cleaned, form one deck electrode layer by the mode of evaporation at the first substrate surface;
S2, the first substrate with electrode layer in S1 is placed in electroplating bath, electroplates, form layer of metal layer in electrode layer surface;
Wherein, described metal level is that alloy material is formed; Alloy material is by copper: 30 ~ 35 parts, nickel: 25 ~ 28 parts and chromium 10 parts.
Another preferred version, described second drying layer is made up of bentonite, attapulgite, silica gel and polyacrylamide; Wherein, bentonite: 25 ~ 40 parts, attapulgite: 20 ~ 35 parts, silica gel: 22 ~ 25 parts, polyacrylamide: 20 parts of compositions.
Another preferred version, the drying material in described first drying layer is by soda lime: 15 ~ 20 parts, silica gel: 80 ~ 90 parts, montmorillonite: 50 parts, molecular sieve desiccant: 25 parts, calcium chloride: 15 ~ 20 parts, activated alumina 30 ~ 35 parts forms.
?
Beneficial effect of the present invention:
1) a kind of power cable localised protection pipe provided by the invention, this structure is provided with drying layer, like this in the joint of power cable by coated for cable joint, can effectively stop entering of steam, the joint of good protection cable, avoids " cable joint is blown out ";
2) a kind of power cable with drying layer provided by the invention, the two ends inner tubal wall of this protection tube is also provided with ring-type drying layer, moisture can well be stoped like this to enter from two ends, effective protection cable joint, the seam crossing of protection tube adopts multiple draw-in groove effectively can prevent the infiltration of moisture;
3) a kind of power cable with drying layer provided by the invention, this structure is also provided with metallic film, " cable joint is blown out " catching fire can be prevented like this to outside communications optical cable, effectively can stop secondary damage like this.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.
Fig. 1 is a kind of power cable localised protection tubular construction schematic diagram;
Fig. 2 is the cross section structure schematic diagram in A-A ' direction in Fig. 1;
Fig. 3 is power cable localised protection tube seam portion enlarged diagram;
Fig. 4 is power cable localised protection pipe not-connected status structural representation;
Fig. 5 is power cable localised protection tube wall cross section structure schematic diagram;
Fig. 6 is power cable localised protection pipe drying layer structural representation;
Fig. 7 is the cross section structure schematic diagram in B-B ' direction in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, 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 shown in Figure 1 and Figure 2, a kind of power cable localised protection pipe, described protection tube comprises protection tube tube wall 1 and protection tube seam 2, and wherein, protection tube cross section is circular, protection tube seam 2 is positioned at outside protection tube tube wall 1, shown in composition graphs 3, Fig. 4, wherein, protection tube seam 2 comprises the first joint member 21 and the second joint member 22, first joint member 21 is provided with buckle 231 towards the side of the second joint member 22, and buckle 23 and the first joint member 21 are integrated; Second joint member 22 is located at the draw-in groove 232 corresponding with buckle 231 towards the side of the first joint member 21, and buckle 231 and draw-in groove 232 mutually grafting form seam crossing 23; The seam crossing of protection tube adopts multiple draw-in groove effectively can prevent the infiltration of moisture.
As shown in Figure 5, wherein, described protection tube tube wall 1 comprises the first drying layer 11, articulamentum 12, metal level 13 and the first substrate 14; Metal level 13 is positioned at the surface of the first substrate 14, and the first drying layer 11 is connected with metal level 13 by articulamentum 12; Shown in composition graphs 6, wherein, the first drying layer 11 comprises the second substrate 111 and drying material 110, and drying material 110 is positioned at the surface of the second substrate 111, and towards articulamentum 12; Wherein, first substrate 14 is the inner surface of protection tube tube wall 1 away from a surface of metal level 13; second substrate 111 is the outer surface of protection tube tube wall 1 away from a surface of drying material; described articulamentum 12 covers drying material 110; wherein, the material of described articulamentum 12 is selected from UV glue, OCA and acrylic glue a kind of.A kind of power cable localised protection pipe provided by the invention; this structure is provided with drying layer, like this in the joint of power cable by coated for cable joint, can effectively stop entering of steam; the joint of good protection cable, avoids " cable joint is blown out ".
Another preferred version, as shown in Figure 7, wherein, described protection tube tube wall 1 two ends inner surface is also provided with the second drying layer 140, and wherein, the thickness of the second drying layer 140 is less than 600 μm, is 10mm ~ 20mm along protection tube length direction width.A kind of power cable with drying layer provided by the invention, the two ends inner tubal wall of this protection tube is also provided with ring-type drying layer, moisture can well be stoped like this to enter from two ends, effectively protect cable joint.
Embodiment 2
Described metal level 13 in embodiment 1 is formed at the first substrate 14 surface by the mode of plating; Comprise the following steps:
S1, the first substrate 14 surface to be cleaned, form one deck electrode layer by the mode of evaporation on the first substrate 14 surface; S2, the first substrate 14 with electrode layer in S1 is placed in electroplating bath, electroplates, form layer of metal layer in electrode layer surface; Wherein, described metal level is that alloy material is formed; Alloy material is by copper: 30 ~ 35 parts, nickel: 25 ~ 28 parts and chromium 10 parts.A kind of power cable with drying layer provided by the invention, this structure is also provided with metallic film, " cable joint is blown out " catching fire can be prevented like this to outside communications optical cable, effectively can stop secondary damage like this; Why adopt the metallic film of alloy mainly because the metallic film of alloy is durable, have certain protective effect to the joint of cable like this, prevent the effect of external force from being broken by joint.
Embodiment 3
As shown in Figure 7, described protection tube tube wall 1 two ends inner surface is also provided with the second drying layer 140, and described second drying layer 140 is made up of bentonite, attapulgite, silica gel and polyacrylamide.
Get bentonite: 25 or 40 parts, attapulgite: 20 or 35 parts, silica gel: 22 or 25 parts, polyacrylamide: 20 parts of compositions, hold in a reservoir, then, be mixed with liquid, spin coating or be printed on protection tube tube wall 1 two ends inner surface and form the second drying layer.The two ends inner tubal wall of this protection tube is also provided with ring-type drying layer, moisture can well be stoped like this to enter from two ends, effectively protect cable joint.
Embodiment 4
As shown in Figure 5, wherein, described protection tube tube wall 1 comprises the first drying layer 11, articulamentum 12, metal level 13 and the first substrate 14; Metal level 13 is positioned at the surface of the first substrate 14, and the first drying layer 11 is connected with metal level 13 by articulamentum 12; Drying material 110 in described first drying layer 11 is by soda lime: 15 ~ 20 parts, silica gel: 80 ~ 90 parts, montmorillonite: 50 parts, molecular sieve desiccant: 25 parts, calcium chloride: 15 ~ 20 parts, activated alumina 30 ~ 35 parts forms.
Get soda lime: 15 or 20 parts, silica gel: 80 or 90 parts, montmorillonite: 50 parts, molecular sieve desiccant: 25 parts, calcium chloride: 15 or 20 parts, activated alumina 30 or 35 parts; Hold in a reservoir; then; be mixed with liquid; spin coating or be printed on the second substrate and form the first drying layer, a kind of power cable localised protection pipe provided by the invention, this structure is provided with drying layer; like this in the joint of power cable by coated for cable joint; can effectively stop entering of steam, well the joint of protection cable, avoids " cable joint is blown out ".
The chemical general formula of the silica gel adopted in all embodiments is mSiO2nH2O, and molecular sieve desiccant adopts model on market to be A type: potassium A (3A), sodium A (4A), calcium A (5A), X-type: calcium X (10X); Activated alumina is Al2O3nH2O(0<n<3).
The beneficial effect that the present invention is main: 1) a kind of power cable localised protection pipe provided by the invention, this structure is provided with drying layer, like this in the joint of power cable by coated for cable joint, can effectively stop entering of steam, the joint of good protection cable, avoids " cable joint is blown out "; 2) a kind of power cable with drying layer provided by the invention, the two ends inner tubal wall of this protection tube is also provided with ring-type drying layer, moisture can well be stoped like this to enter from two ends, effective protection cable joint, the seam crossing of protection tube adopts multiple draw-in groove effectively can prevent the infiltration of moisture; 3) a kind of power cable with drying layer provided by the invention, this structure is also provided with metallic film, " cable joint is blown out " catching fire can be prevented like this to outside communications optical cable, effectively can stop secondary damage like this.
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 (6)
1. a power cable localised protection pipe, it is characterized in that, described protection tube comprises protection tube tube wall (1) and protection tube seam (2), wherein, protection tube cross section is circular, protection tube seam (2) is positioned at protection tube tube wall (1) outside, protection tube seam (2) comprises the first joint member (21) and the second joint member (22), first joint member (21) is provided with buckle (231) towards the side of the second joint member (22), and buckle (23) and the first joint member (21) are integrated; Second joint member (22) is located at the draw-in groove (232) corresponding with buckle (231) towards the side of the first joint member (21), and buckle (231) and draw-in groove (232) mutually grafting form seam crossing (23);
Described protection tube tube wall (1) comprises the first drying layer (11), articulamentum (12), metal level (13) and the first substrate (14); Metal level (13) is positioned at the surface of the first substrate (14), and the first drying layer (11) is connected with metal level (13) by articulamentum (12); Wherein, the first drying layer (11) comprises the second substrate (111) and drying material (110), and drying material (110) is positioned at the surface of the second substrate (111), and towards articulamentum (12);
Wherein, the first substrate (14) is the inner surface of protection tube tube wall (1) away from a surface of metal level (13), and the second substrate (111) is the outer surface of protection tube tube wall (1) away from a surface of drying material.
2. power cable localised protection pipe as claimed in claim 1; it is characterized in that, described protection tube tube wall (1) two ends inner surface is also provided with the second drying layer (140), wherein; the thickness of the second drying layer (140) is less than 600 μm, is 10mm ~ 20mm along protection tube length direction width.
3. power cable localised protection pipe as claimed in claim 1, is characterized in that, described articulamentum (12) covers drying material (110), and wherein, the material of described articulamentum (12) is selected from UV glue, OCA and acrylic glue a kind of.
4. power cable localised protection pipe as claimed in claim 1, is characterized in that, described metal level (13) is formed at the first substrate (14) surface by the mode of plating; Comprise the following steps:
S1, the first substrate (14) surface to be cleaned, form one deck electrode layer by the mode of evaporation on the first substrate (14) surface;
S2, the first substrate (14) with electrode layer in S1 is placed in electroplating bath, electroplates, form layer of metal layer in electrode layer surface;
Wherein, described metal level is that alloy material is formed; Alloy material is by copper: 30 ~ 35 parts, nickel: 25 ~ 28 parts and chromium 10 parts.
5. power cable localised protection pipe as claimed in claim 2, it is characterized in that, described second drying layer (140) is made up of bentonite, attapulgite, silica gel and polyacrylamide; Wherein, bentonite: 25 ~ 40 parts, attapulgite: 20 ~ 35 parts, silica gel: 22 ~ 25 parts, polyacrylamide: 20 parts of compositions.
6. the power cable localised protection pipe as described in as arbitrary in claim 1 ~ 5; it is characterized in that, the drying material (110) in described first drying layer (11) is by soda lime: 15 ~ 20 parts, silica gel: 80 ~ 90 parts, montmorillonite: 50 parts, molecular sieve desiccant: 25 parts, calcium chloride: 15 ~ 20 parts, activated alumina 30 ~ 35 parts forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410517225.4A CN104269216A (en) | 2014-09-30 | 2014-09-30 | Local protection tube for power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410517225.4A CN104269216A (en) | 2014-09-30 | 2014-09-30 | Local protection tube for power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104269216A true CN104269216A (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410517225.4A Pending CN104269216A (en) | 2014-09-30 | 2014-09-30 | Local protection tube for power cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN104269216A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922295A (en) * | 2020-08-05 | 2020-11-13 | 安徽省名为厨卫科技有限公司 | Production method of faucet |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1458639A (en) * | 1974-05-03 | 1976-12-15 | Siemens Ag | Electrical cable including an insulation core and an polymers prepared therefrom |
| JPH09245538A (en) * | 1996-03-05 | 1997-09-19 | Fujikura Ltd | Hydrotaxis preventing power cable |
| CN101336023A (en) * | 2008-05-29 | 2008-12-31 | 清华大学 | Organic electroluminescent display device and method for preparing the same |
| CN102698573A (en) * | 2012-05-16 | 2012-10-03 | 陈孟伯 | Drying agent for mine underground electric apparatus and preparation method thereof |
| CN102828563A (en) * | 2012-09-17 | 2012-12-19 | 王胜怀 | Nano-scale insulation board and manufacturing method thereof |
| CN103500605A (en) * | 2013-10-16 | 2014-01-08 | 江苏昊达有限责任公司 | Moisture-proof steel strip for cable |
| CN104052010A (en) * | 2014-06-17 | 2014-09-17 | 国家电网公司 | Composite cable protection pipe convenient to install |
-
2014
- 2014-09-30 CN CN201410517225.4A patent/CN104269216A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1458639A (en) * | 1974-05-03 | 1976-12-15 | Siemens Ag | Electrical cable including an insulation core and an polymers prepared therefrom |
| JPH09245538A (en) * | 1996-03-05 | 1997-09-19 | Fujikura Ltd | Hydrotaxis preventing power cable |
| CN101336023A (en) * | 2008-05-29 | 2008-12-31 | 清华大学 | Organic electroluminescent display device and method for preparing the same |
| CN102698573A (en) * | 2012-05-16 | 2012-10-03 | 陈孟伯 | Drying agent for mine underground electric apparatus and preparation method thereof |
| CN102828563A (en) * | 2012-09-17 | 2012-12-19 | 王胜怀 | Nano-scale insulation board and manufacturing method thereof |
| CN103500605A (en) * | 2013-10-16 | 2014-01-08 | 江苏昊达有限责任公司 | Moisture-proof steel strip for cable |
| CN104052010A (en) * | 2014-06-17 | 2014-09-17 | 国家电网公司 | Composite cable protection pipe convenient to install |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922295A (en) * | 2020-08-05 | 2020-11-13 | 安徽省名为厨卫科技有限公司 | Production method of faucet |
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Application publication date: 20150107 |
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| RJ01 | Rejection of invention patent application after publication |