CN201369187Y - Control cable for nuclear power station - Google Patents

Control cable for nuclear power station Download PDF

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Publication number
CN201369187Y
CN201369187Y CNU2009200694110U CN200920069411U CN201369187Y CN 201369187 Y CN201369187 Y CN 201369187Y CN U2009200694110 U CNU2009200694110 U CN U2009200694110U CN 200920069411 U CN200920069411 U CN 200920069411U CN 201369187 Y CN201369187 Y CN 201369187Y
Authority
CN
China
Prior art keywords
halogen
irradiation
control cable
retardant
insulation
Prior art date
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.)
Expired - Fee Related
Application number
CNU2009200694110U
Other languages
Chinese (zh)
Inventor
王怡瑶
朱欣娣
贺金红
魏莹莹
武宇波
储茂盛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI CABLE FACTORY CO Ltd
Original Assignee
SHANGHAI CABLE FACTORY CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANGHAI CABLE FACTORY CO Ltd filed Critical SHANGHAI CABLE FACTORY CO Ltd
Priority to CNU2009200694110U priority Critical patent/CN201369187Y/en
Application granted granted Critical
Publication of CN201369187Y publication Critical patent/CN201369187Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a control cable for a nuclear power station, which is characterized in that a double-layer insulator is arranged outside a conductive wire core; an irradiation-resistant halogen-free flame-retardant belt, a shielding layer, a combined protective layer and an irradiation-resistant outer protective sleeve are arranged outside the wire core from inside to outside; and a non-hygroscopic halogen-free flame-retardant filling is arranged between the halogen-free flame-retardant belt and the insulated conductive wire core. The control cable adopts the double-layer insulation and the protective layer, and meanwhile utilizes the irradiation-resistant flame-retardant insulation and the irradiation-resistant flame-retardant outer protective sleeve, thereby having irradiation resistance and good flame-retardant performance; and the novel insulator and the protective sleeve materials resist heat and have long service life, thereby conforming to environmental-friendly RoHS of EU, and having low smoke and no halogen. The control cable is applicable to the nuclear power station.

Description

A kind of control cable that is used for nuclear power station
Technical field:
The utility model relates to the technical field of cable, the control cable for nuclear power station of specifically a kind of high flame retardant, anti-irradiation, heat-resisting, Halogen, environmental protection.
Background technology:
Nuclear power technology constantly develops in recent years, the fail safe of nuclear power, reliability and economy improve constantly, the nuclear power station nuclear power generating sets progressively by the second generation or two generation modified model to third generation nuclear power developing, nuclear power technology constantly develops, also require perfect the time technical, the fail safe of its used electric wire product and reliability to improve constantly.
Nuclear level cable is as one of important electric auxiliary products of nuclear power station, its environment for use harshness, and the security requirement strictness, it is high to be that performance level requires, the electric wire kind that the manufacturing technology difficulty is bigger.Particularly third generation used in nuclear power station cable is still blank at home at present.
Novel cables of nuclear power is compared with halogen-free flame-retardant cable with general industry, and its every performance index require to be improved, and mainly are: the rate of change that the aging condition of insulation and sheath reaches after wearing out is higher than other cables; Insulated wire cores requires fire-retardant, and can be by single insulated wire cores testing vertical flammability; Useful life, requirement reached more than 40 years; Requirement has nuclear environment performance etc.
Summary of the invention
The purpose of this utility model provides the control cable for nuclear power station of a kind of high flame retardant, anti-irradiation, heat-resisting, Halogen.
To achieve these goals, the technical solution of the utility model is as follows: a kind of control cable that is used for nuclear power station, it comprises conductor wire core, outside conductor wire core, be provided with insulating barrier, form insulated wire cores, stranded by insulated wire cores for becoming cable core, becoming the cable core peripheral hardware that screen is arranged, overcoat and the oversheath of anti-irradiation, it is characterized in that: conductor wire core is provided with double hyer insulation outward, described one-tenth cable core is provided with radiotolerant halogen-free flameproof band outward from the inside to the outside, screen, overcoat and the oversheath of anti-irradiation are provided with fire-retardant filler between halogen-free flameproof band and insulated wire cores.
The utility model is provided with the halogen-free flameproof glass fiber gasket for packing or the dustless mineral wool rope that contain environmental protection composite smoke-less flame retardant filler and fills between halogen-free flameproof band and insulated wire cores.This control cable adopts oxygen barrier refractory layer, flame-retardant layer and the layer of anti-irradiation combination overcoat and anti-irradiation insulate, protective cover material, has radioresistance, the excellent fire retardant thermal endurance.The novel insulation of adopting and protective cover material thermal life long, material meets the RoHS of European Union environmental protection instruction, low cigarette, Halogen.
Description of drawings:
Fig. 1 is the profile of control cable of the present utility model
Embodiment
Below in conjunction with drawings and Examples the utility model is elaborated.
The utility model is a kind of control cable that is used for nuclear power station, and it comprises conductor wire core 1, and the conductor wire core nominal cross is 0.5~10mm 2Outside conductor wire core 1, be provided with insulating barrier 2, form insulated wire cores, then that insulated wire cores is stranded for becoming cable core, the insulated wire cores number can be 2~61, is becoming the cable core peripheral hardware that screen 4, overcoat 5 and oversheath 6 are arranged, and it is different from prior art and is: the conductor wire core 1 outer double hyer insulation 2 that is provided with, described one-tenth cable core is provided with radiotolerant halogen-free flameproof band 3, screen 4, overcoat 5 and oversheath 6 outward from the inside to the outside, is provided with fire-retardant filler 7 between halogen-free flameproof band 3 and insulated wire cores.
Wherein conductor wire core should adopt copper conductor single line or stranded the forming of tin-coated copper conductor single line, and the conductor wire core structure should meet the 2nd kind of GB/T3956 (being equal to IEC 228) or the 5th kind.Conductor wire core adopts the circular non-structure of pressing.The outer double hyer insulation of conductor wire core is primary insulation and outer layer insulation, primary insulation be anti-irradiation, high electrically, low smoke, zero halogen polyolefin or ethylene propylene rubber insulation material, outer layer insulation is anti-irradiation, high flame retardant, low smoke, zero halogen polyolefin or ethylene propylene rubber insulation material.20 ℃ of specific insulation 〉=1.0 * 10 of this primary insulation 16Ω cm, the limited oxygen index of outer layer insulation 〉=32, and the difference that requires its high and low temperature oxygen index is less than 2, promptly | I.O. 20 ℃-I.O. 80 ℃|<2, to guarantee that under high temperature or combustion position, the fire resistance of material is intact.Conductor wire core becomes insulated wire cores behind extruded insulation, then that insulated wire cores is stranded for becoming cable core, adopt halogen-free flameproof band 3 outside insulating into cable core, the fire-retardant filler that is provided with between halogen-free flameproof band and insulated wire cores is halogen-free flameproof glass fiber gasket for packing or other non-hygroscopic halogen-free flameproof filler that contains environmental protection composite smoke-less flame retardant filler.Inhibiting tape is outward a screen 4, as required, can adopt braid shielded, copper strips shielding or aluminium-plastic tape shielding, and braid shielded: adopt copper wire or the tinned copper wire braid shielded of 0.12~0.25mm, count is not less than 80%; Copper strips shielding: the overlapping wrapped structure of soft copper band that adopts 0.05~0.1mm; Aluminium-plastic tape: adopt the aluminium-plastic tape of 0.05~0.1mm overlapping wrapped, aluminum-plastic composite membrane is placed a cross section down and is not less than 0.2mm 2Circular copper wire as drainage thread, this drainage thread is the twisted cord of many root architectures.Overcoat 5 has three layers, and this overcoat is the combining structure of the oxygen barrier heat resistant glass cloth belting layer, low-smoke non-halogen flame-retardant belting layer and the belting layer of anti-irradiation that set gradually.Oversheath 6 adopts anti-irradiation, high flame retardant polyolefin or ethylene-propylene rubber material, require sheath aging before elongation at break 〉=180%, elongation at break 〉=150% after 110 ± 2 ℃, 10 days heat ageings is to prevent the sheath cracking.The halogen-free anti-flaming polyolefin Insulation Material that this cable adopted, halogen-free flameproof oversheath material, process 60The all conformance with standard requirements of Co-gamma-ray irradiation test back, its 90 ℃ of heat-resisting life-spans are long, and carry out the RoHS of European Union environmental protection instruction, have good physical and mechanical properties, insulation property and excellent fire retardant characteristic, do not discharge hydracid, promptly from putting out, make fail safe and reliability that cable has height after crosslinked from fire.
Above-mentioned employing oxygen barrier heat resistant glass cloth band, low-smoke non-halogen flame-retardant band and the band of anti-irradiation combination overcoat, adopt insulation and protective cover material simultaneously with excellent in resistance irradiation, anti-flammability, both guaranteed the cable excellent flame-retardant, and made cable have good radioresistance again.Above-mentioned oversheath is made of radiotolerant halogen-free anti-flaming polyolefin or radiotolerant halogen-free flameproof ethylene-propylene rubber.

Claims (9)

1, a kind of control cable that is used for nuclear power station, it comprises conductor wire core, outside conductor wire core, be provided with insulating barrier, form insulated wire cores, becoming the cable core peripheral hardware that screen, overcoat and the oversheath of anti-irradiation are arranged by insulated wire cores is stranded for becoming cable core, it is characterized in that: conductor wire core is provided with double hyer insulation outward, described one-tenth cable core is provided with halogen-free flameproof band, screen, overcoat and the oversheath of anti-irradiation outward from the inside to the outside, is provided with fire-retardant filler between halogen-free flameproof band and insulated wire cores.
2, by the described control cable of claim 1, it is characterized in that: the outer double hyer insulation of conductor wire core is primary insulation and outer layer insulation, primary insulation be anti-irradiation, high electrically, Halogen, low cigarette polyolefin or ethylene propylene rubber insulation material, outer layer insulation is anti-irradiation, high flame retardant, Halogen, low cigarette polyolefin or ethylene propylene rubber insulation material.
3, by the described control cable of claim 1, it is characterized in that: overcoat has three layers, and this overcoat is the combining structure of the oxygen barrier heat resistant glass cloth belting layer, low-smoke non-halogen flame-retardant belting layer and the belting layer of anti-irradiation that set gradually.
4, by the described control cable of claim 1, it is characterized in that: the fire-retardant filler that is provided with between halogen-free flameproof band and insulated wire cores is halogen-free flameproof glass fiber gasket for packing or other non-hygroscopic halogen-free flameproof filler.
5, by the described control cable of claim 1, it is characterized in that: the material that oversheath adopts is irradiation resistant non-halogen fire retardant polyolefin or the fire-retardant ethylene-propylene rubber of irradiation resistant non-halogen.
6, by the described control cable of claim 1, it is characterized in that: conductor wire core adopts conductive copper wire core or tin-coated copper conductor wire core.
7, by the described control cable of claim 1, it is characterized in that: screen adopts copper wire or the tinned copper wire braid shielded of 0.12~0.25mm, and count is not less than 80%.
8, by the described control cable of claim 1, it is characterized in that: screen adopts the copper strips screen, is specially the overlapping wrapped structure of soft copper band of 0.05~0.1mm.
9, by the described control cable of claim 1, it is characterized in that: screen adopts plastic-aluminum combined belt, and the aluminium-plastic tape that is specially 0.05~0.1mm is overlapping wrapped, and aluminium-plastic tape is placed a cross section down and is not less than 0.2mm 2Circular copper wire as drainage thread, this drainage thread is the twisted cord of many root architectures.
CNU2009200694110U 2009-03-25 2009-03-25 Control cable for nuclear power station Expired - Fee Related CN201369187Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2009200694110U CN201369187Y (en) 2009-03-25 2009-03-25 Control cable for nuclear power station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2009200694110U CN201369187Y (en) 2009-03-25 2009-03-25 Control cable for nuclear power station

Publications (1)

Publication Number Publication Date
CN201369187Y true CN201369187Y (en) 2009-12-23

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Country Status (1)

Country Link
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103578633A (en) * 2013-11-08 2014-02-12 江苏远洋东泽电缆股份有限公司 Hydrocarbon-ageing-resistant control cable for petrochemical unit and manufacturing method of hydrocarbon-ageing-resistant control cable
CN103903751A (en) * 2014-03-03 2014-07-02 安徽万博电缆材料有限公司 Ultraviolet-proof automatic temperature control heating cable
CN104157365A (en) * 2014-08-26 2014-11-19 山东华凌电缆有限公司 Level-1E control cable for third-generation passive nuclear power station gentle environment and production method
CN107134303A (en) * 2017-06-22 2017-09-05 安徽电缆股份有限公司 Instrument cable for nuclear power station
CN107230530A (en) * 2017-06-22 2017-10-03 安徽电缆股份有限公司 Control cable for nuclear power station
CN107342135A (en) * 2017-06-22 2017-11-10 安徽电缆股份有限公司 Low-voltage electric power cable used for nuclear

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103578633A (en) * 2013-11-08 2014-02-12 江苏远洋东泽电缆股份有限公司 Hydrocarbon-ageing-resistant control cable for petrochemical unit and manufacturing method of hydrocarbon-ageing-resistant control cable
CN103578633B (en) * 2013-11-08 2015-10-28 江苏远洋东泽电缆股份有限公司 The petrochemical equipment Aging control of resistance to hydrocarbons cable and manufacture method thereof
CN103903751A (en) * 2014-03-03 2014-07-02 安徽万博电缆材料有限公司 Ultraviolet-proof automatic temperature control heating cable
CN104157365A (en) * 2014-08-26 2014-11-19 山东华凌电缆有限公司 Level-1E control cable for third-generation passive nuclear power station gentle environment and production method
CN104157365B (en) * 2014-08-26 2016-08-03 山东华凌电缆有限公司 The passive nuclear power station of three generations environment 1E level of easing up controls cable and production method
CN107134303A (en) * 2017-06-22 2017-09-05 安徽电缆股份有限公司 Instrument cable for nuclear power station
CN107230530A (en) * 2017-06-22 2017-10-03 安徽电缆股份有限公司 Control cable for nuclear power station
CN107342135A (en) * 2017-06-22 2017-11-10 安徽电缆股份有限公司 Low-voltage electric power cable used for nuclear

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Shanghai Nanyang-fujikura Cable Co., Ltd.

Assignor: Shanghai Cable Factory Co., Ltd.

Contract record no.: 2010310000086

Denomination of utility model: Control cable for nuclear power station

Granted publication date: 20091223

License type: Exclusive License

Record date: 20100623

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20091223

Termination date: 20160325