CN201111994Y - Semi-conductive water shielding tape for power cable - Google Patents
Semi-conductive water shielding tape for power cable Download PDFInfo
- Publication number
- CN201111994Y CN201111994Y CNU2007200144535U CN200720014453U CN201111994Y CN 201111994 Y CN201111994 Y CN 201111994Y CN U2007200144535 U CNU2007200144535 U CN U2007200144535U CN 200720014453 U CN200720014453 U CN 200720014453U CN 201111994 Y CN201111994 Y CN 201111994Y
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- Prior art keywords
- semi
- impervious
- semiconductive
- shielding tape
- conductive
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- 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.)
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Abstract
A semi-conductive impervious shielding tape used for power cables relates to an impervious shielding material used for power cables. The shielding tape consists of a metal wire, fibers and semi-conductive impervious adhesives; the metal wire (1) is longitudinally braided in the fibers (2) and forms the base materials of the semi-conductive impervious shielding tape, and the base materials thereof is coated with the semi-conductive impervious adhesives (3). The semi-conductive impervious shielding tape can be applied to occasions requiring high efficient shielding electric fields and impervious property, and can prevent the water tree phenomenon, thus preventing the cable core from being damaged.
Description
Technical field
The utility model relates to the shielding material that blocks water that a kind of power cable is used, and particularly relates to a kind of power cable with the semiconductive mask tape that blocks water.
Background technology
Power cable is in operation, and the cable core electric current can produce powerful electric field, if there is moisture to infiltrate insulating barrier, forms water tree, will discharge inner generation of insulating barrier, even puncture cable.This just needs a kind of semiconductive material with water stop function, thereby realizes the effect that buffering electric field and anti-sealing infiltrate.Owing to, also may have the gap, cause partial discharge again in insulating surface and sheath contact position.Therefore, add the screen of one deck semiconductive material at surface of insulating layer, thereby guarantee electric field even distribution radially, play the effect of electric field shielding, to stop the axial creeping discharge of cable.For addressing the above problem, way was to adopt semiconductive to block water to bring buffering electric field and the infiltration that stops water in the past, adopt semi-conductive tape or semiconductive shielding layer to come electric field shielding, but these materials can only cushion, block water and the shielding problem by single solution electric field in the past, and electric field shielding and block-water effect are relatively poor, the occasion that can not satisfy the high-efficiency shielding electric field and block water and require.
Summary of the invention
The purpose of this utility model is to provide a kind of semiconductive by gluing after wire and fibrage mask tape that blocks water, and satisfies the high-efficiency shielding electric field and the occasion that requires that blocks water is used, and to prevent water tree phenomenon, the protection cable core is injury-free.
The purpose of this utility model is achieved through the following technical solutions:
Power cable is with the semiconductive mask tape that blocks water, form by wire, fiber and the semiconductive glue that blocks water, described wire longitudinal knitted in fiber, constitute the block water base material of mask tape of semiconductive, be laminated with the semiconductive glue that blocks water on its base material.
Advantage of the present utility model and effect are:
Product composition of the present utility model is simple, has simplified production technology; Its product technology stable performance can be when blocking water, electric field shielding, the occasion that can be used for the high-efficiency shielding electric field and block water and require.
Description of drawings
Fig. 1 is a floor map of the present utility model;
Fig. 2 is the A-A cross section enlarged diagram of Fig. 1.
Among the figure: 1. wire, 2. fiber, 3. the semiconductive glue that blocks water.
Embodiment
Illustrated embodiment is described in further details the utility model with reference to the accompanying drawings.
On the semi-conductive screen base material, adhere to the semiconductive glue that blocks water uniformly.Wherein the semi-conductive screen base material is made up of fiber 2 and wire 1; Its fiber can be fibers such as nylon, terylene, polyester-cotton blend, viscose glue, cotton textiles; Wire can be wires such as copper facing, zinc-plated, chromium plating, nickel plating.The semiconductive glue 3 that blocks water is made up of high molecular polymer, hydroscopic high-molecular resin and conductive black; Its high molecular polymer can be Nitrile Rubber, neoprene, natural gum etc.; Conductive carbon black can be the carbon black with conduction property; Hydroscopic high-molecular resin can be the resin with suction character.Base material and the semiconductive glue that blocks water can adopt modes such as roll compacting, dipping, coating, spraying to be laminated with.
Embodiment
For 27 0.18mm diameter copper wires of wire 1 and the spun rayon co-braided of fiber 2 constitute the semi-conductive screen band, wire can adjust according to the needs radical of structure and longitudinal knitted in fiber, constitute the block water base material of mask tape of semiconductive, the pressure of rerolling semiconductive blocks water behind the glue 3, constitute the semiconductive shielding cloth that blocks water, cut and be the semiconductive mask tape that blocks water after the arrangement.
Product specification is:
Width: 70mm; Thickness: 0.50 ± 0.05mm; Substance: 310 ± 30g/m
2
Product performance index is:
Sheet resistance:＜1000 Ω; Volume resistance:＜1 * 105 Ω cm;
Height expands: 1min 〉=6mm, 3min 〉=10mm;
Tensile strength: 〉=500N/ bandwidth; Elongation: 〉=12%.
Claims (1)
1. power cable is with the semiconductive mask tape that blocks water, form by wire, fiber and the semiconductive glue that blocks water, it is characterized in that described wire (1) longitudinal knitted in fiber (2), constitute the block water base material of mask tape of semiconductive, be laminated with the semiconductive glue (3) that blocks water on its base material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200144535U CN201111994Y (en) | 2007-09-07 | 2007-09-07 | Semi-conductive water shielding tape for power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200144535U CN201111994Y (en) | 2007-09-07 | 2007-09-07 | Semi-conductive water shielding tape for power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201111994Y true CN201111994Y (en) | 2008-09-10 |
Family
ID=39963738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200144535U Expired - Lifetime CN201111994Y (en) | 2007-09-07 | 2007-09-07 | Semi-conductive water shielding tape for power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201111994Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522150A (en) * | 2011-12-29 | 2012-06-27 | 扬州腾飞电缆电器材料有限公司 | High-performance semi-conductive buffer water-blocking tape and manufacturing method thereof |
| CN102708987A (en) * | 2012-07-02 | 2012-10-03 | 南京全信传输科技股份有限公司 | Low-smoke halogen-free low-toxicity inflaming-retarding longitudinal water seal communication cable for ships and warships and preparation method of cable |
| CN105913958A (en) * | 2016-05-13 | 2016-08-31 | 天诺光电材料股份有限公司 | Anti-electromagnetic-interference shielded wire cable and preparation method |
| CN108831625A (en) * | 2018-06-20 | 2018-11-16 | 沈阳天荣电缆材料有限公司 | A kind of sea water resistance semiconductive brass wire shielding band and preparation method thereof |
| CN109300596A (en) * | 2018-09-19 | 2019-02-01 | 沈阳东铄电材有限公司 | A kind of semiconductive metal shielding waterstop and preparation method thereof |
-
2007
- 2007-09-07 CN CNU2007200144535U patent/CN201111994Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522150A (en) * | 2011-12-29 | 2012-06-27 | 扬州腾飞电缆电器材料有限公司 | High-performance semi-conductive buffer water-blocking tape and manufacturing method thereof |
| CN102708987A (en) * | 2012-07-02 | 2012-10-03 | 南京全信传输科技股份有限公司 | Low-smoke halogen-free low-toxicity inflaming-retarding longitudinal water seal communication cable for ships and warships and preparation method of cable |
| CN105913958A (en) * | 2016-05-13 | 2016-08-31 | 天诺光电材料股份有限公司 | Anti-electromagnetic-interference shielded wire cable and preparation method |
| CN105913958B (en) * | 2016-05-13 | 2017-09-19 | 天诺光电材料股份有限公司 | The shielded cable and preparation method of a kind of electromagnetism interference |
| CN108831625A (en) * | 2018-06-20 | 2018-11-16 | 沈阳天荣电缆材料有限公司 | A kind of sea water resistance semiconductive brass wire shielding band and preparation method thereof |
| CN109300596A (en) * | 2018-09-19 | 2019-02-01 | 沈阳东铄电材有限公司 | A kind of semiconductive metal shielding waterstop and preparation method thereof |
| CN109300596B (en) * | 2018-09-19 | 2020-06-30 | 沈阳东铄电材有限公司 | Semiconductive metal shielding water-blocking tape and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080910 |