CN101335107A - Control electric cable for nuclear power plant - Google Patents
Control electric cable for nuclear power plant Download PDFInfo
- Publication number
- CN101335107A CN101335107A CNA2008101380074A CN200810138007A CN101335107A CN 101335107 A CN101335107 A CN 101335107A CN A2008101380074 A CNA2008101380074 A CN A2008101380074A CN 200810138007 A CN200810138007 A CN 200810138007A CN 101335107 A CN101335107 A CN 101335107A
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- Prior art keywords
- layer
- cable
- sheath
- nuclear power
- control cable
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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
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Abstract
The invention discloses a control cable used in a nuclear power plant, which solves the problem that the existing control cable used in the nuclear power plant has poor interference capability and weather resistance; the control cable of the invention has the advantages of simple structure and convenient use and is capable of effectively increasing the interference capability and weather resistance of the control cable, etc. The control cable of the invention has a structure comprising conductors arranged in an obturator which is provided with an outer wall coated with a cable dual-layer heterogeneity shielding layer and a cable dual-layer restrictive coating; simultaneously, the outer wall of each conductor is also provided with a conductor dual-insulation layer.
Description
Technical field
The present invention relates to a kind of cable, relate in particular to a kind of control cable for nuclear power station.
Background technology
At present the control cable of used in nuclear power station mostly is individual layer insulation individual layer sheath, and its antijamming capability and weatherability are poor, and the life-span is short, in case break down, the replacement cost height, and the safe operation of nuclear power station brought very big risk.
Summary of the invention
Purpose of the present invention be exactly for its antijamming capability of control cable of solving present used in nuclear power station not high, problems such as weatherability difference, provide a kind of and have simple in structurely, easy to use, can effectively improve the control cable for nuclear power station of advantages such as the weatherability of control cable and antijamming capability.
For achieving the above object, the present invention adopts following technical scheme:
A kind of control cable for nuclear power station, its conductor meets GB3956, and conductor places in the obturator, the double-deck heterogeneous screen of outer wall parcel cable and the cable duplex sheath layer of described obturator; Outer wall at every conductor also is provided with the conductor double insulating layer simultaneously.
The double-deck heterogeneous screen of described cable is internal layer lapped shielding layer and outer braid screen; Wherein, the internal layer lapped shielding layer is a compound copper-plastics band, and the outer braid screen is copper wire or tinned copper wire braiding.
Described cable duplex sheath layer comprises internal layer sheath and outer protective sleeve; Wherein, the internal layer sheath is the fluoroplastics sheath, and outer protective sleeve is the low-smoke halogen-free polyolefin sheath.
Described conductor double insulating layer comprises primary insulation and outer layer insulation; Wherein, primary insulation is crosslinked polyetylene insulated layer; Outer layer insulation is the low-smoke halogen-free polyolefin insulating barrier.
Control cable for nuclear power station of the present invention adopts double hyer insulation, and internal layer is a cross-linked polyethylene insulating material, and skin is the low-smoke halogen-free polyolefin Insulation Material; Duplex sheath, internal layer are fluoroplastics, and skin is the low-smoke halogen-free polyolefin protective cover material, and performance is with reference to other patents.
Its screen adopts double layer screen, that is: the compound copper-plastics band shielding adds copper wire or tinned copper wire braid shielded, and its superior performance is with reference to related data
Double layer screen
Changed the individual layer copper wire braid shielded of control cable in the past, the antijamming capability to external world that the shielding of double-deck different materials has strengthened cable has also increased the mechanical performance of cable, uses drainage thread to make shield effectiveness more reliable.
Duplex sheath
The protective action of the existing sheath in the past of duplex sheath has strengthened the weatherability of cable again, makes the environment for use of cable more extensive.
Compound copper-plastics band
The wrapped shielding of compound copper-plastics band contains again and moulds the band mechanical stress promptly by the shielding properties of copper strips, makes screen firm more, reliable.
The tinned copper wire braiding
Make the screen of cable have corrosion-resistant, oxidation resistant characteristic, in the useful life of the cable shield of increase, make the performance shielding action that screen more can be permanent.
Insulation Material adopts cross-linked polyethylene insulating material, has improved the electrical property of product, has reduced dielectric loss in use, makes transmission signals more stable, reliable, thereby ensures the effective transmission of cable;
The invention has the beneficial effects as follows: simple in structure, easy to use, cost is low, and antijamming capability is strong, good weatherability, and working stability is reliable.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Wherein, 1. conductor, 2. primary insulation, 3. outer layer insulation, 4. obturator, the 5. wrapped shielding of internal layer, 6. outer braid shielding, 7. internal layer sheath, 8. outer protective sleeve.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing and embodiment.
Among Fig. 1, the outer wall of conductor 1 is wrapping inner layer insulation 2 and outer layer insulation 3 successively, and wherein primary insulation 2 is crosslinked polyetylene insulated layer; Outer layer insulation 3 is the low-smoke halogen-free polyolefin insulating barrier.Each conductor 1 places in the low-smoke non-halogen flame-retardant obturator 4.The outer wall wrapped shielding 5 of wrapping inner layer successively, outer braid shielding 6, internal layer sheath 7 and outer protective sleeve 8 at obturator 4.Wherein, the wrapped shielding 5 of internal layer is a compound copper-plastics band, and outer braid screen 6 is copper wire or tinned copper wire braiding.Internal layer sheath 7 is the fluoroplastics sheath, and outer protective sleeve 8 is the low-smoke halogen-free polyolefin sheath.
Claims (4)
1. control cable for nuclear power station, it comprises that conductor places in the low-smoke non-halogen flame-retardant obturator, it is characterized in that the double-deck heterogeneous screen of outer wall parcel cable and the cable duplex sheath layer of described obturator; Outer wall at every conductor also is provided with the conductor double insulating layer simultaneously.
2. control cable for nuclear power station as claimed in claim 1 is characterized in that, the double-deck heterogeneous screen of described cable is internal layer lapped shielding layer and outer braid screen; Wherein, the internal layer lapped shielding layer is a compound copper-plastics band, and the outer braid screen is copper wire or tinned copper wire braiding.
3. control cable for nuclear power station as claimed in claim 1 is characterized in that, described cable duplex sheath layer comprises internal layer sheath and outer protective sleeve; Wherein, the internal layer sheath is the fluoroplastics sheath, and outer protective sleeve is the low-smoke halogen-free polyolefin sheath.
4. control cable for nuclear power station as claimed in claim 1 is characterized in that, described conductor double insulating layer comprises primary insulation and outer layer insulation; Wherein, primary insulation is crosslinked polyetylene insulated layer; Outer layer insulation is the low-smoke halogen-free polyolefin insulating barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101380074A CN101335107B (en) | 2008-06-30 | 2008-06-30 | Control electric cable for nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101380074A CN101335107B (en) | 2008-06-30 | 2008-06-30 | Control electric cable for nuclear power plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101335107A true CN101335107A (en) | 2008-12-31 |
| CN101335107B CN101335107B (en) | 2011-06-08 |
Family
ID=40197627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101380074A Active CN101335107B (en) | 2008-06-30 | 2008-06-30 | Control electric cable for nuclear power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101335107B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887770A (en) * | 2010-07-09 | 2010-11-17 | 山东华凌电缆有限公司 | Green low-carbon environment-friendly anti-aging cotton covered wire |
| CN101847463B (en) * | 2009-03-27 | 2012-06-13 | 上海市高桥电缆厂有限公司 | Concentric flame-retardant cable |
| CN104240810A (en) * | 2014-08-26 | 2014-12-24 | 山东华凌电缆有限公司 | Level-1E cable for gentle environment of third-generation passive nuclear power plant and producing method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2179997Y (en) * | 1994-01-06 | 1994-10-19 | 常州市防爆线缆厂 | Nuclear safety grade power cable |
| CN200962344Y (en) * | 2006-10-18 | 2007-10-17 | 安徽新亚特电缆集团有限公司 | Nuclear island cable for highly reliable nuclear power plant |
| CN1953106A (en) * | 2006-11-10 | 2007-04-25 | 宁波东方集团有限公司 | A cable for nuclear power plant |
-
2008
- 2008-06-30 CN CN2008101380074A patent/CN101335107B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847463B (en) * | 2009-03-27 | 2012-06-13 | 上海市高桥电缆厂有限公司 | Concentric flame-retardant cable |
| CN101887770A (en) * | 2010-07-09 | 2010-11-17 | 山东华凌电缆有限公司 | Green low-carbon environment-friendly anti-aging cotton covered wire |
| CN104240810A (en) * | 2014-08-26 | 2014-12-24 | 山东华凌电缆有限公司 | Level-1E cable for gentle environment of third-generation passive nuclear power plant and producing method thereof |
| CN104240810B (en) * | 2014-08-26 | 2016-08-24 | 山东华凌电缆有限公司 | The passive nuclear power station of three generations eases up the production method of environment 1E level cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101335107B (en) | 2011-06-08 |
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