CN201369184Y - Compensated measuring cable in nuclear power plant - Google Patents
Compensated measuring cable in nuclear power plant Download PDFInfo
- Publication number
- CN201369184Y CN201369184Y CNU2009200682908U CN200920068290U CN201369184Y CN 201369184 Y CN201369184 Y CN 201369184Y CN U2009200682908 U CNU2009200682908 U CN U2009200682908U CN 200920068290 U CN200920068290 U CN 200920068290U CN 201369184 Y CN201369184 Y CN 201369184Y
- Authority
- CN
- China
- Prior art keywords
- retardant
- flame
- cable
- halogen
- irradiation
- 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
Links
Abstract
The utility model provides a compensated measuring cable in a nuclear power plant, which comprises a cable core formed by at least one insulated wire twisted pair group; and each insulated wire twisted pair group is formed by two conductor alloy-wire insulated wires. The compensated measuring cable is characterized in that a cabling wire core is equipped with a tinned copper wire braided total shield, a protective layer and an outer sheath, wherein the protective layer comprises an flame-retardant fire-resistant composite layer and a radiation-resistant layer; the flame-retardant fire-resistant composite layer adopts a composite structure of a low smoke zero halogen flame-retardant belting and a mica tape; and the radiation-resistant layer adopts the structure of a radiation-resistant belting. The cable adopts the flame-retardant fire-resistant composite layer and the radiation-resistant layer structure, the radiation-resistant and flame-retardant insulating and radiation-resistant and flame-retardant sheath materials, and has radiation-resistance and good flame-retardant fire resistance; and the cable adopts the split-phase shield and the total shield. Therefore, the external interference can be prevented effectively, and the measuring accuracy is high; and the novel materials meet European Union RoHS environmental directives, and are low-smoking and non-halogen. The designed service life of the cable is larger than the previous service life of 40 years, and the expected service life can reach 60 years.
Description
Technical field
The utility model relates to a kind of compensated measurement cable, is specifically related to a kind of used in nuclear power station compensated measurement cable.
Background technology
Cables of nuclear power mainly is distributed in nuclear island, conventional island and the BOP each several part of nuclear power station, is used for electric power transfer, control, computer, instrument etc., and its kind commonly used has: power cable, control cable, instrument and thermocouple compensating cable etc.Wherein, the thermocouple compensating cable is mainly used in thermocouple and recorder, the connection of computer and data handling system.
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.The insulation of its designing requirement of novel used in nuclear power station cable and sheath material also should have following special characteristics except that having conventional electricapparatus performance: Halogen, low cigarette, fire-retardant; Insulation and heat-resisting life-span of sheath are long; The gamma-radiation irradiation of anti-nominal situation and accident conditions; The accident conditions of anti-LOCA environment.Present compensating cable, its performance satisfies anti-irradiation simultaneously than difficulty, the requirement of cables of nuclear power such as high flame retardant, length of heat-resisting life-span.
Summary of the invention
The purpose of this utility model provides the used in nuclear power station compensated measurement cable of a kind of high flame retardant, anti-irradiation, heat-resisting, halogen-free environmental.
To achieve these goals, the technical solution of the utility model is as follows: a kind of used in nuclear power station compensated measurement cable, comprise by the one-tenth cable core of at least one insulated wire strand forming, each insulated wire strand comprises two conductor alloy silk insulation lines to group, it is characterized in that into cable core is provided with tinned copper wire outward from the inside to the outside and weaves total shielding, overcoat and the fire-retardant oversheath of anti-irradiation, overcoat comprises flame-retardant composite bed and the layer of anti-irradiation, the flame-retardant composite bed adopts low-smoke non-halogen flame-retardant band and mica tape composite construction, and the layer of anti-irradiation is the band of anti-irradiation.Conductor alloy silk insulation line comprises conductor alloy silk and the outer insulating barrier of conductor alloy silk, and this insulating barrier adopts two-layer composite.Each insulated wire strand is to organizing the outer phase-splitting shielding that is provided with, and the phase-splitting shielding is made of the copper cash braid shielded or is made of polyester film metal (aluminium or Copper Foil) composite band and guide wire.Phase-splitting shielding inboard is provided with heat-resisting low-smoke non-halogen flame-retardant layer, the outer wrapped polyester belt of phase-splitting shielding, the inboard heat resistant glass band that coats of the total shielding of tinned copper wire braiding, the heat resistant glass band with become to be provided with between the cable core filling of non-hygroscopic halogen-free flameproof.
This cable employing composite flame-proof flame retardant coating and the layer of anti-irradiation structure and the insulation of anti-irradiation, protective cover material, has radioresistance, the excellent fire retardant fire resistance, this cable adopts phase-splitting shielding and total shielding, effectively prevent external interference, certainty of measurement height, used new material all meet the RoHS of European Union environmental protection instruction, low cigarette, Halogen.This cable design useful life, expection can reach 60 years greater than in the past 40 designed lives.
Description of drawings
Accompanying drawing is the profile of compensated measurement cable of the present utility model
Embodiment
Below in conjunction with drawings and Examples the utility model is elaborated.
A kind of used in nuclear power station compensated measurement cable, the interior conductor alloy silk 1 that is respectively equipped with to is outward arranged, insulating barrier 2, heat-resisting low-smoke non-halogen flame-retardant layer 3, phase-splitting shielding 4, polyester belt 5, fire-retardant filling 11, heat resistant glass band 6, the total shielding 7 of tinned copper wire braid shielded, flame-retardant composite bed 8, the layer of anti-irradiation 9, the oversheath of anti-irradiation 10.
Wherein insulating barrier 2 adopts two-layer composites, internal layer adopt anti-irradiation, high electrically, Halogen, low cigarette polyolefin or ethylene propylene rubber insulation material, 20 ℃ of specific insulation 〉=1.0 * 10 of primary insulation
16Ω cm, outer anti-irradiation, high flame retardant, Halogen, low cigarette polyolefin or the ethylene-propylene rubber material of adopting, its limited oxygen index 〉=32, and the difference of high and low temperature oxygen index that requires insulating material 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.The insulation strand is to organizing outer overlapping wrapped heat-resistant halogen-free flame-retardant band 3.Phase-splitting shielding is adopted the copper cash braid shielded or is adopted aluminium-polyester composite membrane and phase-splitting shielding that guide wire constitutes, and during wrapped polyester film metal compound belt, metal covering should be inside, and comprise vertical guide wire; Flame-retardant composite bed 8 and the layer of anti-irradiation 9 formed overcoats, order is set can changes of flame-retardant composite bed 8 and the layer of anti-irradiation 9.Flame-retardant composite bed 8 adopts halogen-free flameproof band and fire-resistant isinglass belt composite construction, and the layer of anti-irradiation 9 adopts the band of anti-irradiation, and oversheath 10 adopts anti-irradiation, high flame retardant polyolefin or ethylene-propylene rubber material.This cable adopts halogen-free anti-flaming polyolefin Insulation Material, halogen-free flameproof oversheath material, process
60The all conformance with standard requirements of Co-gamma-ray irradiation test back more than or equal to 60 years, and are carried out the RoHS of European Union environmental protection instruction during 90 ℃ of its heat-resisting life-spans.Its lead; cadmium; mercury; Cr VI; PBDEs; six kinds of harmful substance contents such as Polybrominated biphenyl meet the RoHS of European Union environmental protection instruction; and up-to-date do not contain specific phthalate; polycyclic aromatic hydrocarbon; nonyl phenol; harmful substances such as PFO sulfonyl compound; has good physical and mechanical properties; insulation property and excellent fire retardant characteristic; do not discharge hydracid; promptly put out certainly from fire; can reduce the discharging of poisonous corrosive gas and the generation of smog in a large number; the performance of two-layer insulation system remained unchanged substantially when environmental condition changed, and made fail safe and reliability that cable has height after crosslinked.
Above-mentioned flame-retardant composite bed adopts halogen-free flameproof band and the fire-resistant band structure combining of mica, the layer of anti-irradiation adopts the band of anti-irradiation, 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.The double hyer insulation that is wrapped up on the above-mentioned conductor alloy silk, internal layer be anti-irradiation, high electrically, Halogen, low cigarette polyolefin or ethylene propylene rubber insulation material, skin is anti-irradiation, high flame retardant, Halogen, hangs down cigarette polyolefin or ethylene-propylene rubber material; Above-mentioned insulated wire strand is to organizing the shielding that outer phase-splitting shielding adopts copper cash braiding phase-splitting shielding or polyester film metal (aluminium or Copper Foil) composite band and guide wire to constitute, outside to restrain to its induction or the inner outwards interference of emission, reduce between core simultaneously and the electromagnetic coupled between group; In order to prevent that screen from disperseing ground connection and multipoint earthing, the screen of every cable should be a mutually insulated, so should put up wrapped one deck polyester belt outside screen; Above-mentioned oversheath is made of radiotolerant halogen-free anti-flaming polyolefin or radiotolerant halogen-free flameproof ethylene-propylene rubber.
Claims (5)
1, a kind of used in nuclear power station compensated measurement cable, comprise by the one-tenth cable core of at least one insulated wire strand forming, each insulated wire strand is made up of two conductor alloy silk insulation lines group, it is characterized in that into cable core is provided with tinned copper wire outward from the inside to the outside and weaves total shielding, overcoat and oversheath, overcoat comprises flame-retardant composite bed and the layer of anti-irradiation, the flame-retardant composite bed adopts low-smoke non-halogen flame-retardant band and mica tape composite construction, and the layer of anti-irradiation is the band of anti-irradiation.
2, by the described compensated measurement cable of claim 1, it is characterized in that conductor alloy silk insulation line comprises conductor alloy silk and the outer insulating barrier of conductor alloy silk, this insulating barrier adopts two-layer composite, internal layer is high electrically halogen-free polyolefin or an ethylene propylene rubber insulation material of anti-irradiation, and skin is anti-irradiation high flame retardant halogen-free polyolefin or ethylene propylene rubber insulation material.
3, by the described compensated measurement cable of claim 1, it is characterized in that each insulated wire strand to organizing the outer phase-splitting shielding that is provided with, the phase-splitting shielding is constituted or is made of polyester film metal compound belt and guide wire by the copper cash braid shielded.
4, by the described nuclear power station compensating cable of claim 3, it is characterized in that each insulated wire strand is provided with heat-resisting low-smoke non-halogen flame-retardant layer to organizing outer phase-splitting shielding inboard, the outer wrapped polyester belt of phase-splitting shielding, the inboard heat resistant glass band that coats of the total shielding of tinned copper wire braiding, the heat resistant glass band with become to be provided with between the cable core filling of non-hygroscopic halogen-free flameproof.
5,, it is characterized in that oversheath adopts irradiation resistant non-halogen fire retardant polyolefin or the fire-retardant ethylene-propylene rubber of irradiation resistant non-halogen by the described nuclear power station compensating cable of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200682908U CN201369184Y (en) | 2009-03-02 | 2009-03-02 | Compensated measuring cable in nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200682908U CN201369184Y (en) | 2009-03-02 | 2009-03-02 | Compensated measuring cable in nuclear power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201369184Y true CN201369184Y (en) | 2009-12-23 |
Family
ID=41488075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200682908U Expired - Fee Related CN201369184Y (en) | 2009-03-02 | 2009-03-02 | Compensated measuring cable in nuclear power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201369184Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102332331A (en) * | 2011-06-22 | 2012-01-25 | 江苏天地龙电缆有限公司 | Heat-resistant control cable utilized by nuclear power station |
| CN102332336A (en) * | 2011-06-22 | 2012-01-25 | 江苏天地龙电缆有限公司 | Heat-resistant shielded power cable for nuclear power stations |
| CN102708984A (en) * | 2012-05-23 | 2012-10-03 | 江苏新远程电缆股份有限公司 | Multipoint measurement compensation cable for nuclear island |
| CN104882193A (en) * | 2015-06-02 | 2015-09-02 | 江苏亨通线缆科技有限公司 | High-strength three-core soft cable for communication power supplies |
| CN106158084A (en) * | 2016-08-30 | 2016-11-23 | 武汉宏联电线电缆有限公司 | Track traffic DC dynamo and control composite cable |
| CN107134307A (en) * | 2017-06-22 | 2017-09-05 | 安徽电缆股份有限公司 | Compensating cable used for nuclear power station |
| CN107742549A (en) * | 2017-11-14 | 2018-02-27 | 浙江元通线缆制造有限公司 | LSOH anti-flaming A level computer cables |
| CN111161907A (en) * | 2018-11-07 | 2020-05-15 | 沈阳英联塑力线缆有限公司 | Anti-interference composite insulation wire and cable |
| CN115521527A (en) * | 2022-10-24 | 2022-12-27 | 上海核工程研究设计院有限公司 | Irradiation-resistant high-flexibility anti-interference measuring cable and preparation method thereof |
-
2009
- 2009-03-02 CN CNU2009200682908U patent/CN201369184Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102332331A (en) * | 2011-06-22 | 2012-01-25 | 江苏天地龙电缆有限公司 | Heat-resistant control cable utilized by nuclear power station |
| CN102332336A (en) * | 2011-06-22 | 2012-01-25 | 江苏天地龙电缆有限公司 | Heat-resistant shielded power cable for nuclear power stations |
| CN102708984A (en) * | 2012-05-23 | 2012-10-03 | 江苏新远程电缆股份有限公司 | Multipoint measurement compensation cable for nuclear island |
| CN104882193A (en) * | 2015-06-02 | 2015-09-02 | 江苏亨通线缆科技有限公司 | High-strength three-core soft cable for communication power supplies |
| CN106158084A (en) * | 2016-08-30 | 2016-11-23 | 武汉宏联电线电缆有限公司 | Track traffic DC dynamo and control composite cable |
| CN106158084B (en) * | 2016-08-30 | 2018-03-20 | 武汉宏联电线电缆有限公司 | Track traffic DC dynamo and control composite cable |
| CN107134307A (en) * | 2017-06-22 | 2017-09-05 | 安徽电缆股份有限公司 | Compensating cable used for nuclear power station |
| CN107742549A (en) * | 2017-11-14 | 2018-02-27 | 浙江元通线缆制造有限公司 | LSOH anti-flaming A level computer cables |
| CN111161907A (en) * | 2018-11-07 | 2020-05-15 | 沈阳英联塑力线缆有限公司 | Anti-interference composite insulation wire and cable |
| CN115521527A (en) * | 2022-10-24 | 2022-12-27 | 上海核工程研究设计院有限公司 | Irradiation-resistant high-flexibility anti-interference measuring cable and preparation method thereof |
| CN115521527B (en) * | 2022-10-24 | 2024-01-26 | 上海核工程研究设计院股份有限公司 | Irradiation-resistant high-flexibility anti-interference measurement cable and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201369184Y (en) | Compensated measuring cable in nuclear power plant | |
| ES2912661T3 (en) | Fire resistant data communication cable | |
| CN203386489U (en) | Flexible conductor compound insulated double-shielded anti-interference low-voltage fire-resistant cable | |
| CN201369187Y (en) | Control cable for nuclear power station | |
| CN202549414U (en) | Polyethylene insulation steel-tape armoring polyolefin sheath halogen-free flame-retardant signal cable | |
| CN201369191Y (en) | Power cable for nuclear power station | |
| CN205158965U (en) | Fire -retardant flexible fire resisting cable of low smoke and zero halogen | |
| CN103903772A (en) | Flame-retardant cable | |
| CN111370173A (en) | Insulating flame-retardant environment-friendly cable | |
| CN207558479U (en) | A kind of low-smoke non-halogen flame-retardant surpasses six class digital communication local area network cables | |
| CN202887830U (en) | Flame retardant electronic computer signal cable | |
| CN202003715U (en) | Compensation cable used for silicon rubber insulated intrinsic safety system | |
| CN209625905U (en) | A kind of oil resistant flame-proof power cable of resistance to mud used for oil platform | |
| CN106373650B (en) | A kind of generation Ⅲ nuclear power station coaxial cable and manufacturing process | |
| CN201383372Y (en) | Radiation-resistance combination shielding compensation cable used for nuclear power station | |
| RU96692U1 (en) | FIRE-RESISTANT CABLE FOR CONTROL, ALARM, INFORMATION AND COMMUNICATION FOR EXPLOSIVE AREAS ON FLOATING DRILLING RIGS AND MARINE STATIONARY PLATFORMS | |
| CN209015732U (en) | Fluoroplastic insulation low-smoke and halogen-free flame retardant polyolefin jacket fire-resistant shield controls cable | |
| CN206349170U (en) | A kind of encoder fireproof heat insulation cable | |
| CN206097961U (en) | Installation of environment -friendly elevator is with connecting flexible cable | |
| CN109448920A (en) | A kind of warship marine explosion-proof communication cable manufacturing method | |
| CN208737907U (en) | A kind of anti-interference heat-resistant fireproof cable | |
| CN205582603U (en) | Compensation cable used for thermoelectric couple | |
| CN103714898A (en) | Flame-retardant signal cable for electronic computer | |
| CN218100770U (en) | Fire-resistant and flame-retardant cable | |
| CN103871582A (en) | Low-smoke halogen-free K3-grade instrument control cable for 1E type nuclear power station |
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: Compensated measuring cable in nuclear power plant Granted publication date: 20091223 License type: Exclusive License Record date: 20100623 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091223 Termination date: 20160302 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |