CN103871661B - A kind of safety-type nuclear power station specialized power cable - Google Patents
A kind of safety-type nuclear power station specialized power cable Download PDFInfo
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- CN103871661B CN103871661B CN201410063327.3A CN201410063327A CN103871661B CN 103871661 B CN103871661 B CN 103871661B CN 201410063327 A CN201410063327 A CN 201410063327A CN 103871661 B CN103871661 B CN 103871661B
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Abstract
The invention discloses a kind of safety-type nuclear power station specialized power cable, electric power transfer is carried out for nuclear power station, comprise some electric conductors, above-mentioned electric conductor is wrapped up by flexible material and is integrated and has gap between each electric conductor, flexible material periphery is enclosed with the first screen successively, secondary shielding layer, first sheath, second sheath, wherein: electric conductor comprises two wires, above-mentioned wire has the core body being positioned at heart portion and the insulating barrier being wrapped in core body periphery, the spacing of two wires is not less than the radius of core body and is not more than the diameter of core body, two wires are wrapped up by shielding material and are formed as one electric conductor, first screen is lapping structure, and secondary shielding layer is woven mesh structure.Safety-type nuclear power station specialized power cable disclosed in this invention, its anti-tampering performance is good, anti-pressure ability is strong and change simple and easy.
Description
Technical field
The present invention relates to power cable technical field, particularly relate to a kind of safety-type nuclear power station specialized power cable.
Background technology
Along with the fast development of national economy, electricity needs increases fast, have stimulated the fast development of Nuclear Power Industry.The demand of fast development to nuclear power cable of Nuclear Power Industry is increasing and requirement is more and more higher.At present, both at home and abroad to nuclear power power cable propose " electromagnetic compatibility " without electromagnetic interference requirement, the existing conventional power cable used as transferring electric power cannot adapt to the environment for use of nuclear power station harshness, when electric current is by power cable, meeting is electric and control system generation interference to contiguous distribution line, the serious normal operation of whole system of also giving brings hidden danger, reduces the fail safe of nuclear power station.Meanwhile, meanwhile, there is hyperbaric environment in nuclear power cable environment for use, conventional power cable uses easily deformable under hyperbaric environment, mainly use at present high-strength material to make resist high pressure, and for the requirement of nuclear plant safety, installed by power cable firm, during especially by hole, often fixing very firm, and the cable that high-strength material makes is not quick detachable after fixation, easily damages in unloading process, improve cable replacement cost, and cost of manufacture is higher.
Summary of the invention
In order to solve the technical problem existed in background technology, the present invention proposes a kind of safety-type nuclear power station specialized power cable, carrying out electric power transfer for nuclear power station, its anti-tampering performance is good, anti-pressure ability is strong and change simple and easy.
A kind of safety-type nuclear power station specialized power cable that the present invention proposes, electric power transfer is carried out for nuclear power station, comprise some electric conductors, above-mentioned electric conductor is wrapped up by flexible material and is integrated and has gap between each electric conductor, flexible material periphery is enclosed with the first screen successively, secondary shielding layer, first sheath, second sheath, wherein: electric conductor comprises two wires, above-mentioned wire has the core body being positioned at heart portion and the insulating barrier being wrapped in core body periphery, the spacing of two wires is not less than the radius of core body and is not more than the diameter of core body, two wires are wrapped up by shielding material and are formed as one electric conductor, first screen is lapping structure, and secondary shielding layer is woven mesh structure.
Preferably, the long side direction length of electric conductor cross section is 2-3 times of short side direction length, and the quantity of electric conductor is six, and two electric conductors are arranged above and below cloth setting in middle part, four electric conductors are positioned at four sides, and the long side direction axis being positioned at four electric conductors of four sides is formed square.
Preferably, the long side direction length of electric conductor cross section is 2.5 times of short side direction length.
Preferably, the long side direction both sides of electric conductor cross section are arc.
Preferably, the component of the second sheath is by weight: polyvinyl chloride, 70-95 part; Carbon black, 19-23 part; Triphenyl phosphate, 2-3 part; Epoxyoleic acid butyl ester, 8-10 part; Aluminium hydroxide, 23-26 part; Cumyl peroxide, 3-4 part; Triallyl isocyanuric acid fat, 1-3 part; Vinyltriethoxysilane, 1-2 part; Antioxidant 2-2.4 part; Magnesium oxide, 1-2 part; Zinc oxide, 3-4 part; Stearic acid, 1-3 part; Aluminate coupling agent 0.5-1 part.
In the present invention, in electric conductor, shielding material can effectively prevent the generation mutual electromagnetic between wire from disturbing, can effectively prevent between electric conductor, producing mutual electromagnetic interference simultaneously, the first screen arranged in cable, in secondary shielding layer and electric conductor, shielding material forms three layers of shielding system, therefore, in electric power course of conveying, extraneous Electric and magnetic fields can not disturb power cable, power cable carries out the electromagnetic field that produces in electric power transfer process also can conductively-closed, can not to close on distribution line electrically and control system produce interference, first screen and secondary shielding layer adopt lapping structure and woven mesh structure respectively, cable can be strengthened to external world while antijamming capability, be conducive to the mechanical performance strengthening cable, flexible material is adopted to be integrated by electric conductor parcel, leave the gap being full of flexible material between each electric conductor simultaneously, greatly can promote the anti-extrusion ability of cable and anti-crawl agentdefiection ability and make cable to carry out Light deformation, thus being conducive to carrying out cable position adjustment and replacing, adopt duplex sheath structure, both can strengthen the protection to cable, and be convenient to by the selection to different sheath material simultaneously, to tackle the challenge that harsh environment for use is brought, in second sheath raw material, magnesium oxide, zinc oxide, stearic with the use of, improve the thermal stability of protection overcoat, triphenyl phosphate and the composite use of epoxyoleic acid butyl ester, improve the anti-flammability of protection overcoat, antioxidant, aluminium hydroxide, aluminate coupling agent with the use of, improve protection overcoat flame retardant effect, the effect of cooperative flame retardant can be played.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of safety-type nuclear power station specialized power cable that the present invention proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of safety-type nuclear power station specialized power cable that the present invention proposes.
With reference to Fig. 1, a kind of safety-type nuclear power station specialized power cable that the present invention proposes, electric power transfer is carried out for nuclear power station, comprise some electric conductors 1, above-mentioned electric conductor 1 is wrapped up by flexible material 2 and is integrated and has gap between each electric conductor 1, flexible material 2 periphery is enclosed with the first screen 3 successively, secondary shielding layer 4, first sheath 5, second sheath 6, wherein: electric conductor 1 comprises two wires, above-mentioned wire has the core body 11 being positioned at heart portion and the insulating barrier 12 being wrapped in core body 11 periphery, the spacing of two wires is not less than the radius of core body 11 and is not more than the diameter of core body 11, two wires are wrapped up by shielding material 13 and are formed as one electric conductor 1, first screen 3 is lapping structure, and secondary shielding layer 4 is woven mesh structure.
In technique scheme, in electric conductor 1, shielding material 13 can effectively prevent the generation mutual electromagnetic between wire from disturbing, can effectively prevent between electric conductor 1, producing mutual electromagnetic interference simultaneously, the first screen 3 arranged in cable, secondary shielding layer 4 forms three layers of shielding system with shielding material 13 in electric conductor 1, therefore, in electric power course of conveying, extraneous Electric and magnetic fields can not disturb power cable, power cable carries out the electromagnetic field that produces in electric power transfer process also can conductively-closed, can not to close on distribution line electrically and control system produce interference, first screen 3 and secondary shielding layer 4 adopt lapping structure and woven mesh structure respectively, cable can be strengthened to external world while antijamming capability, be conducive to the mechanical performance strengthening cable, flexible material 2 is adopted to be integrated by electric conductor 1 parcel, leave the gap being full of flexible material 2 between each electric conductor 1 simultaneously, greatly can promote the anti-extrusion ability of cable and anti-crawl agentdefiection ability and make cable to carry out Light deformation, thus being conducive to carrying out cable position adjustment and replacing, adopt duplex sheath structure, both can strengthen the protection to cable, and be convenient to by the selection to different sheath material simultaneously, to tackle the challenge that harsh environment for use is brought.
In specific design process, the long side direction length of electric conductor 1 cross section is 2.5 times of short side direction length, the quantity of electric conductor 1 is six, two electric conductors 1 are arranged above and below cloth setting in middle part, four electric conductors 1 are positioned at four sides, and the long side direction axis being positioned at four electric conductors 1 of four sides is formed square.
Under above-mentioned Curve guide impeller, when cable is subject to external force extrusion process, environment is wrapped up because electric conductor 1 is arranged in flexible material 2, flexible material 2 is out of shape, electric conductor 1 position is moved with the distortion of flexible material 2, four electric conductors 1 being positioned at four sides can to being positioned at drawing close of middle part, because the long side direction axis of four electric conductors 1 being positioned at four sides is formed square, thus be reserved with sufficient space for the movement of electric conductor 1, the basis of bearing moderate finite deformation can effectively prevent the damage of electric conductor 1.
In specific design process, the long side direction both sides of electric conductor 1 cross section are arc.
Under above-mentioned Curve guide impeller, when cable is subject to external force extrusion process, stressed can the decomposition of electric conductor 1 cross section long side direction, is conducive to the stability of electric conductor 1 displacement in deformation process.
In concrete technical process, the component of the second sheath 6 is by weight: polyvinyl chloride, 70-95 part; Carbon black, 19-23 part; Triphenyl phosphate, 2-3 part; Epoxyoleic acid butyl ester, 8-10 part; Aluminium hydroxide, 23-26 part; Cumyl peroxide, 3-4 part; Triallyl isocyanuric acid fat, 1-3 part; Vinyltriethoxysilane, 1-2 part; Antioxidant 2-2.4 part; Magnesium oxide, 1-2 part; Zinc oxide, 3-4 part; Stearic acid, 1-3 part; Aluminate coupling agent 0.5-1 part.
In above-mentioned design; magnesium oxide, zinc oxide, stearic with the use of; improve the thermal stability of protection overcoat; triphenyl phosphate and the composite use of epoxyoleic acid butyl ester; improve the anti-flammability of protection overcoat; antioxidant, aluminium hydroxide, aluminate coupling agent with the use of, improve protection overcoat flame retardant effect, the effect of cooperative flame retardant can be played.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (3)
1. a safety-type nuclear power station specialized power cable, electric power transfer is carried out for nuclear power station, it is characterized in that, comprise some electric conductors (1), above-mentioned electric conductor (1) is wrapped up by flexible material (2) and is integrated and has gap between each electric conductor (1), flexible material (2) periphery is enclosed with the first screen (3) successively, secondary shielding layer (4), first sheath (5), second sheath (6), wherein: electric conductor (1) comprises two wires, above-mentioned wire has the core body (11) being positioned at heart portion and the insulating barrier (12) being wrapped in core body (11) periphery, the spacing of two wires is not less than the radius of core body (11) and is not more than the diameter of core body (11), two wires are wrapped up by shielding material (13) and are formed as one electric conductor (1), first screen (3) is lapping structure, and secondary shielding layer (4) is woven mesh structure,
The long side direction length of electric conductor (1) cross section is 2-3 times of short side direction length, the quantity of electric conductor (1) is six, two electric conductors (1) are arranged above and below cloth setting in middle part, four electric conductors (1) are positioned at four sides, and the long side direction axis being positioned at four electric conductors (1) of four sides is formed square;
The raw material components of the second sheath (6) is by weight: polyvinyl chloride, 70-95 part; Carbon black, 19-23 part; Triphenyl phosphate, 2-3 part; Epoxyoleic acid butyl ester, 8-10 part; Aluminium hydroxide, 23-26 part; Cumyl peroxide, 3-4 part; Triallyl isocyanuric acid fat, 1-3 part; Vinyltriethoxysilane, 1-2 part; Antioxidant 2-2.4 part; Magnesium oxide, 1-2 part; Zinc oxide, 3-4 part; Stearic acid, 1-3 part; Aluminate coupling agent 0.5-1 part.
2. safety-type nuclear power station specialized power cable according to claim 1, is characterized in that, the long side direction length of electric conductor (1) cross section is 2.5 times of short side direction length.
3. safety-type nuclear power station specialized power cable according to claim 1, is characterized in that, the long side direction both sides of electric conductor (1) cross section are arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410063327.3A CN103871661B (en) | 2014-02-24 | 2014-02-24 | A kind of safety-type nuclear power station specialized power cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410063327.3A CN103871661B (en) | 2014-02-24 | 2014-02-24 | A kind of safety-type nuclear power station specialized power cable |
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| Publication Number | Publication Date |
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| CN103871661A CN103871661A (en) | 2014-06-18 |
| CN103871661B true CN103871661B (en) | 2016-04-06 |
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| CN201410063327.3A Expired - Fee Related CN103871661B (en) | 2014-02-24 | 2014-02-24 | A kind of safety-type nuclear power station specialized power cable |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1150305A2 (en) * | 2000-04-26 | 2001-10-31 | Avaya Technology Corp. | Electrical cable apparatus having reduced attenuation and method for making |
| CN101303916A (en) * | 2008-06-30 | 2008-11-12 | 山东华凌电缆有限公司 | Computer cable for nuclear power plant |
| CN201219042Y (en) * | 2008-06-30 | 2009-04-08 | 山东华凌电缆有限公司 | Computer cable for nuclear power plant |
| CN201383372Y (en) * | 2009-04-09 | 2010-01-13 | 四川明星电缆股份有限公司 | Radiation-resistance combination shielding compensation cable used for nuclear power station |
| CN102074299A (en) * | 2010-12-29 | 2011-05-25 | 金坛市金鹿电缆材料有限公司 | Triple shielding electric cable special for nuclear power |
| CN102956324A (en) * | 2011-08-23 | 2013-03-06 | 江苏上上电缆集团有限公司 | Low-voltage power cable for nuclear power station |
| CN103545044A (en) * | 2012-07-09 | 2014-01-29 | 金坛市金鹿电缆材料有限公司 | High-temperature-resistant double-shielded nuclear power cable |
| CN203826107U (en) * | 2014-02-24 | 2014-09-10 | 安徽华联电缆集团有限公司 | Safe nuclear-power-station special-purpose power cable |
-
2014
- 2014-02-24 CN CN201410063327.3A patent/CN103871661B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1150305A2 (en) * | 2000-04-26 | 2001-10-31 | Avaya Technology Corp. | Electrical cable apparatus having reduced attenuation and method for making |
| CN101303916A (en) * | 2008-06-30 | 2008-11-12 | 山东华凌电缆有限公司 | Computer cable for nuclear power plant |
| CN201219042Y (en) * | 2008-06-30 | 2009-04-08 | 山东华凌电缆有限公司 | Computer cable for nuclear power plant |
| CN201383372Y (en) * | 2009-04-09 | 2010-01-13 | 四川明星电缆股份有限公司 | Radiation-resistance combination shielding compensation cable used for nuclear power station |
| CN102074299A (en) * | 2010-12-29 | 2011-05-25 | 金坛市金鹿电缆材料有限公司 | Triple shielding electric cable special for nuclear power |
| CN102956324A (en) * | 2011-08-23 | 2013-03-06 | 江苏上上电缆集团有限公司 | Low-voltage power cable for nuclear power station |
| CN103545044A (en) * | 2012-07-09 | 2014-01-29 | 金坛市金鹿电缆材料有限公司 | High-temperature-resistant double-shielded nuclear power cable |
| CN203826107U (en) * | 2014-02-24 | 2014-09-10 | 安徽华联电缆集团有限公司 | Safe nuclear-power-station special-purpose power cable |
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| CN103871661A (en) | 2014-06-18 |
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Granted publication date: 20160406 Termination date: 20190224 |