CN103021550A - Round aluminum conductor water resistance cable - Google Patents
Round aluminum conductor water resistance cable Download PDFInfo
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- CN103021550A CN103021550A CN2012105597217A CN201210559721A CN103021550A CN 103021550 A CN103021550 A CN 103021550A CN 2012105597217 A CN2012105597217 A CN 2012105597217A CN 201210559721 A CN201210559721 A CN 201210559721A CN 103021550 A CN103021550 A CN 103021550A
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- water resistance
- water
- waterstop
- single face
- blocking yarn
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Abstract
The invention discloses a round aluminum conductor water resistance cable and a manufacture method of the round aluminum conductor water resistance cable. The cable structurally comprises a core wire, water resistance yarn, single-face insulating water resistance belts and a semiconducting water resistance lashing band. The core wire is wrapped by a plurality of layers of single-face insulating water resistance belts, and the water resistance yarn is arranged on the outer layer of the plurality of layers of single-face insulating water resistance belts. The semiconducting water resistance lashing band is strapped on the outmost layer of the water resistance yarn and the plurality of layers of single-face insulating water resistance belts, and the water resistance yarn, the single-face insulating water resistance belts and the plurality of layers of single-face insulating water resistance belts are jointly molded in extrusion mode to form an integrated multi-layer structure. By adopting the technical scheme, the round aluminum conductor water resistance cable can effectively prevent the cable from water seepage, enables conductors to have a water resistance function, and is simple in technology and convenient to operate.
Description
Technical field
The present invention relates to a kind of water-proof cable structure, more particularly, relate to a kind of round aluminium conductor water repellent electric cable.
Background technology
The safety in utilization of cable is a permanent topic of cable industry, and the fail safe of cable is mainly reflected in following 2 points, the one, the difficult bending of cable, the structure of non-frangibility, the 2nd, the water resistance of cable.
The user is more and more higher to 110kV and above high-tension cable quality requirement at present, except cable must satisfy GB and IEC standard, the user has also increased many additional requirements, such as the conductor water stop function, in case cable is subject to the external force mechanical damage, conductor must comprehensive blocking water, and guarantees cable Power resumption within the shortest time.
Yet at present common cable is greatly improved at bending performance, and existing high-intensity cable also has the cable of high flexibility.But the water resistance of cable does not reach gratifying stage all the time, is the solution that those skilled in the art is seeking.
Summary of the invention
Purpose of the present invention aims to provide a kind of round aluminium conductor water repellent electric cable, solves the various deficiencies that exist in the prior art.
According to the present invention, a kind of round aluminium conductor water repellent electric cable is provided, comprise heart yearn, water blocking yarn, single face insulation waterstop, the semiconductive binding strap that blocks water.Heart yearn is coated by Multilayer single insulation waterstop, and water blocking yarn is arranged on the skin of Multilayer single insulation waterstop.The semiconductive outermost layer of binding strap colligation at water blocking yarn and Multilayer single insulation waterstop that block water.Water blocking yarn, single face insulation waterstop, the semiconductive binding strap that blocks water is the one sandwich construction of common extrusion forming.
According to one embodiment of the invention, the water blocking yarn diameter is greater than 3.76mm.
According to one embodiment of the invention, 6 layers of single face insulation of heart yearn outer cladding waterstop, the diameter of every one deck single face insulation waterstop is 3.76mm.
According to the present invention, a kind of manufacture craft of justifying the aluminium conductor water repellent electric cable also is provided, may further comprise the steps: heart yearn is carried out heating pretreatment; The outer water blocking yarn that coats of heart yearn after heating pretreatment; At the outer single face insulation waterstop that coats of water blocking yarn, at the outer semiconductive binding strap that blocks water that coats of single face insulation waterstop; With water blocking yarn, single face insulation waterstop, the semiconductive common extrusion forming of binding strap that blocks water.
According to one embodiment of the invention, heart yearn carries out first heat cycles before single face insulation waterstop is set processes, and cycle-index is 3 times.
According to one embodiment of the invention, be 8 hours the heating time that heat cycles is processed, and be 16 hours cooling time.
According to one embodiment of the invention, keeping temperature in last 1 hour of heating time is 95 ℃.
Adopted technical scheme of the present invention, can effectively prevent the cable infiltration, make conductor have water stop function, and technique has been simple, easy to operate.
Description of drawings
In the present invention, identical Reference numeral represents identical feature all the time, wherein:
Fig. 1 is the structural representation of the present invention's circle aluminium conductor water repellent electric cable;
Fig. 2 is the resolution chart that blocks water of the present invention's circle aluminium conductor water repellent electric cable.
Embodiment
Further specify technical scheme of the present invention below in conjunction with drawings and Examples.
With reference to Fig. 1, round aluminium conductor water repellent electric cable 10 of the present invention is that the end at common heart yearn 11 increases 3-tier architecture in addition, thereby reaches the purpose that waterproof blocks water.This 3-tier architecture is respectively water blocking yarn 12, single face insulation waterstop 14, the semiconductive binding strap 13 that blocks water.
As shown in Figure 1, heart yearn 11 is coated by Multilayer single insulation waterstop 14, the blocking water facing to the outside of cable of single face insulation waterstop 14.Here adopt the insulation waterstop of single face just can reach purpose of the present invention, but the present invention is not limited to this, also can use two-sided insulation waterstop, just the insulation waterstop of single face is more saved from cost, and can play the functional effect identical with two-sided insulation waterstop.
The characteristics of this structure of the present invention are that water blocking yarn 12, single face insulation waterstop 14, the semiconductive binding strap 13 that blocks water is the one sandwich construction of common extrusion forming, that is to say, although these three layers is structure independently separately, but the manufacture method according to round aluminium conductor water repellent electric cable 10 of the present invention, this three-decker is to fit tightly after completing, and can't peel off layer by layer.The advantage of this structure is its compactness, thereby the effect of stronger anti-sealing infiltration can be arranged than the structure of common general applying.
As a kind of preferred implementation of the present invention, the diameter of water blocking yarn 12 obviously must be greater than 3.76mm, in general that one deck is set is just much of that for 12 of water blocking yarns, but single face insulation waterstop 14 generally can arrange multilayer, it can be 6 layers, 12 layers, 18 layers or 24 layers, etc., decide depending on actual process condition and the environment that blocks water.Because single face insulation waterstop 14 is very thin, although the multilayer that therefore superposeed, the diameter of every one deck single face insulation waterstop 14 also can be similar to regards 3.76mm as.
The present invention also discloses a kind of manufacture method of justifying the aluminium conductor water repellent electric cable.
By top structure as can be known, heart yearn 11 can not be directly and single face insulation waterstop 14, water blocking yarn 12 and the semiconductive binding strap 13 that blocks water be set together, before apparatus of the present invention assembling, to carry out heating pretreatment to heart yearn 11 first, specifically coming water is 3 heat cycles, to guarantee that heart yearn 11 has experienced appropriate thermal expansion, its step is as follows:
1. each heat cycles is comprised of heating in 8 hours and cooling in 16 hours.During heating, adopt current flow heats heart yearn 11 to reach 95 ℃.In last 1 hour of the period of heating, keep this temperature-resistant.
2. 11 skins of the heart yearn after heating pretreatment coat water blocking yarns 12; At the outer single face insulation waterstop 14 that coats of water blocking yarn, at the outer semiconductives binding strap 13 that blocks water that coats of single face insulation waterstop 14.
3. binding strap 13 common extrusion formings block water water blocking yarn 12, single face insulation waterstop 14, semiconductive.
The effect of round aluminium conductor water repellent electric cable 10 of the present invention can be described with the test that blocks water as shown in Figure 2.
1. test product is installed a water-flowing device and is placed on cable one section through after the preliminary treatment.
2. continuous 10 days (10 * 24H) hydraulic pressure remain 0.1MPa(simulation depth of water 10m).
Test is undertaken by the IEC60840 standard-required, after the preliminary treatment by three heat cycles, continuous 10 days (10 * 24H) hydraulic pressure remain on the 0.1MPa(simulation 10m depth of water), through dissecting only 0.3m of conductor infiltration length, and according to the requirement of IEC60840:2011 standard, water can reach 3m in conductor inner penetration length, and visible nargin is big.
Beneficial effect of the present invention is:
1. justify and place water blocking yarn, insulation waterstop, the semiconductive binding strap that blocks water in the aluminium conductor, conductor has water stop function, and technique is simple, and is easy to operate;
2. design specialized is made the instrument of conductor waterproofing device, and is easy to operate;
3. an end cable hydraulic pressure 0.1M pa, water is at conductor inner penetration distance 0.3m only.
Those of ordinary skill in the art will be appreciated that above specification only is one or more execution modes among the numerous embodiment of the present invention, and is not to use limitation of the invention.Any for the above embodiment equalization variation, modification and be equal to the technical schemes such as alternative, as long as connotation scope according to the invention, all will drop in the scope that claims of the present invention protect.
Claims (7)
1. a round aluminium conductor water repellent electric cable is characterized in that, comprising:
Heart yearn, water blocking yarn, single face insulation waterstop, the semiconductive binding strap that blocks water;
Described heart yearn is coated by the described single face insulation of multilayer waterstop, and described water blocking yarn is arranged on the skin of the described single face insulation of multilayer waterstop;
The described semiconductive outermost layer of binding strap colligation at described water blocking yarn and described Multilayer single insulation waterstop that block water;
Described water blocking yarn, single face insulation waterstop, the semiconductive binding strap that blocks water is the one sandwich construction of common extrusion forming.
2. round aluminium conductor water repellent electric cable as claimed in claim 1 is characterized in that:
Described water blocking yarn diameter is greater than 3.76mm.
3. round aluminium conductor water repellent electric cable as claimed in claim 1 is characterized in that:
6 layers of described single face insulation waterstop of described heart yearn outer cladding, the diameter of the described single face insulation of every one deck waterstop is 3.76mm.
4. a manufacture method of justifying the aluminium conductor water repellent electric cable is characterized in that, may further comprise the steps:
Heart yearn is carried out heating pretreatment;
The outer water blocking yarn that coats of heart yearn after heating pretreatment;
At the outer single face insulation waterstop that coats of water blocking yarn, at the outer semiconductive binding strap that blocks water that coats of described single face insulation waterstop;
With described water blocking yarn, single face insulation waterstop, the semiconductive common extrusion forming of binding strap that blocks water.
5. the manufacture method of round aluminium conductor water repellent electric cable as claimed in claim 4 is characterized in that:
Described heating pretreatment is that heat cycles is processed, and cycle-index is 3 times.
6. the manufacture method of round aluminium conductor water repellent electric cable as claimed in claim 5 is characterized in that:
Be 8 hours the heating time that described heat cycles is processed, and be 16 hours cooling time.
7. the manufacture method of round aluminium conductor water repellent electric cable as claimed in claim 6 is characterized in that:
Keeping temperature in last 1 hour of described heating time is 95 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210559721.7A CN103021550B (en) | 2012-12-20 | 2012-12-20 | Circle aluminium conductor water repellent electric cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210559721.7A CN103021550B (en) | 2012-12-20 | 2012-12-20 | Circle aluminium conductor water repellent electric cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103021550A true CN103021550A (en) | 2013-04-03 |
| CN103021550B CN103021550B (en) | 2016-05-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210559721.7A Expired - Fee Related CN103021550B (en) | 2012-12-20 | 2012-12-20 | Circle aluminium conductor water repellent electric cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103021550B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700946A (en) * | 2015-03-16 | 2015-06-10 | 常熟市谷雷特机械产品设计有限公司 | Special-shaped filling rope for optical cables, electric cables, optical and electric composite cables or optical and electric integrated cables |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2529355Y (en) * | 2001-12-26 | 2003-01-01 | 山东鲁能泰山电缆股份有限公司 | All-round water-proof cross-linked cable |
| CN201204087Y (en) * | 2008-06-02 | 2009-03-04 | 特变电工山东鲁能泰山电缆有限公司 | Water-resistance type aluminum segmentation conductor for power cable |
| CN201698821U (en) * | 2010-04-15 | 2011-01-05 | 无锡市新阳光电缆有限公司 | Water-blocking power cable |
| CN102737788A (en) * | 2012-07-18 | 2012-10-17 | 成都塑力电缆有限公司 | Heating/rotating process and manufacturing method of multiple single conductor wires |
| CN202615911U (en) * | 2012-06-04 | 2012-12-19 | 上海上缆藤仓电缆有限公司 | Water-resistant crosslinked cable |
-
2012
- 2012-12-20 CN CN201210559721.7A patent/CN103021550B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2529355Y (en) * | 2001-12-26 | 2003-01-01 | 山东鲁能泰山电缆股份有限公司 | All-round water-proof cross-linked cable |
| CN201204087Y (en) * | 2008-06-02 | 2009-03-04 | 特变电工山东鲁能泰山电缆有限公司 | Water-resistance type aluminum segmentation conductor for power cable |
| CN201698821U (en) * | 2010-04-15 | 2011-01-05 | 无锡市新阳光电缆有限公司 | Water-blocking power cable |
| CN202615911U (en) * | 2012-06-04 | 2012-12-19 | 上海上缆藤仓电缆有限公司 | Water-resistant crosslinked cable |
| CN102737788A (en) * | 2012-07-18 | 2012-10-17 | 成都塑力电缆有限公司 | Heating/rotating process and manufacturing method of multiple single conductor wires |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700946A (en) * | 2015-03-16 | 2015-06-10 | 常熟市谷雷特机械产品设计有限公司 | Special-shaped filling rope for optical cables, electric cables, optical and electric composite cables or optical and electric integrated cables |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103021550B (en) | 2016-05-25 |
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