CN201897980U - Super shielded cable for nuclear detection system - Google Patents
Super shielded cable for nuclear detection system Download PDFInfo
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- CN201897980U CN201897980U CN2010205515088U CN201020551508U CN201897980U CN 201897980 U CN201897980 U CN 201897980U CN 2010205515088 U CN2010205515088 U CN 2010205515088U CN 201020551508 U CN201020551508 U CN 201020551508U CN 201897980 U CN201897980 U CN 201897980U
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Abstract
The utility model belongs to the field of power cables and relates to a super shielded cable for a nuclear detection system. The super shielded cable for the nuclear detection system comprises a cable core, a cable core shielding layer wrapped on the outer surface of the cable core and an outer sheath wrapped on the cable core shielding layer; the cable core comprises a silver-coated copper stranded conductor, a polyethylene insulation layer wrapped on the silver-coated copper stranded conductor, and an isolation layer wrapped on the polyethylene insulation layer; the cable core shielding layer sequentially comprises a first knitted shielding layer, a first armored shielding layer, a second knitted shielding layer, a second armored shielding layer, a third knitted shielding layer and two isolation shielding layers from interior to exterior; the two isolation shielding layers comprise internal aluminum-plastic composite strip film layers and external aluminum-plastic composite strip film layers from interior to exterior. The super shielded cable has good transmission performance and super shielding performance and is particularly applicable to nuclear detection systems of nuclear power plants.
Description
Technical field
The utility model belongs to the electric wire field, relates to the super shielded type cable of a kind of nuclear power station nuclear examining system.
Background technology
In the nuclear examining system of nuclear power station, because the particle flux signal that radiation produces is very faint,, require the stube cable of nuclear examining system instrument cubicle that the ability of excellent anti-external interference is arranged, shield effectiveness almost 100% so will detect these signals.Cable connection in nuclear hardening critical component and the device then requires to have super screen effect under the impact of the extremely strong electromagnetic pulse that produces when the other side's nuclear blast in addition, and interference is reduced to minimum, makes the anti-nuclear strike system can operate as normal.The shielding of existing high shielded type cable is usually by one to two-layer copper wire braid shielded or copper strips, the wrapped shielding of plastic-aluminum band, and the best shielding properties of the shield effectiveness of these modes far can not satisfy the cable requirement of nuclear power station nuclear examining system about 70dB.
In addition, nuclear power station nuclear examining system also is different from other super shielded type cable with super shielded type cable, require high to shielding properties, as patent No. ZL 95237553.2, the super shielded type cable of a kind of soft type electromagnetic pulse-resisting, what be primarily aimed at is flexibility characteristics, this cable primary features is to adopt the double-level-metal braid shielded, though have certain screening effectiveness, be nowhere near for nuclear power station nuclear examining system, as Halogen, radiation resistance, high flame retardant and super shielding properties etc.
The utility model content
The purpose of this utility model provides a kind ofly has the nuclear examining system of good transmission performance and superpower shielding properties with super shielded type cable, to overcome the deficiencies in the prior art.
In order to solve the problems of the technologies described above, the utility model is realized by the following technical solutions:
The super shielded type cable of a kind of nuclear examining system, comprise cable core, be coated on the cable core screen of cable core outer surface and be coated on the outer oversheath of cable core screen, described cable core comprises the silver-plated copper stranded conductor, is coated on the outer polyethylene layer of silver-plated copper stranded conductor and is coated on the first outer separator of polyethylene layer that described cable core screen comprises first woven shield, the first armouring screen, second woven shield, the second armouring screen, the 3rd woven shield and two-layer Isolated Shield layer from inside to outside successively; Aluminium-plastic tape thin layer and outer aluminium-plastic tape thin layer in described two-layer Isolated Shield layer comprises from inside to outside.
Described silver-plated copper stranded conductor comprises the non-many stranded silver-plated circular copper wires that press.
Described silver-plated copper stranded conductor is that many silver-plated circular copper wires adopt the non-stranded stranded conductor that forms that presses.
Described polyethylene layer is the high-density polyethylene layer of disposable extrusion molding.
Described polyethylene layer adopts low cigarette, Halogen, radiation-resistant high-density polyethylene material to make through expressing technique.
Described separator is the polyimide film lapping layer, and the rate of putting up is not less than 15%.
Described first woven shield, second woven shield and the 3rd woven shield are silver-gilt copper wire and evenly weave the silver-plated copper silk screen that forms, and count is not less than 90%.
Described ground floor armouring screen and the second layer armouring screen wrapped armour that forms of double-deck ambrose alloy molybdenum alloy band gap of all serving as reasons.
Preferable, described double-deck ambrose alloy molybdenum alloy band around to being left-hand.
Further, described double-deck ambrose alloy molybdenum alloy band comprises internal layer ambrose alloy molybdenum alloy band and outer ambrose alloy molybdenum alloy band, the middle part of described outer ambrose alloy molybdenum alloy band is wrapped on the gap of described internal layer ambrose alloy molybdenum alloy band, and the width in the gap of adjacent alloy band is not more than 50% of ambrose alloy molybdenum alloy bandwidth.
Aluminium-plastic tape thin layer and outer aluminium-plastic tape thin layer include wrapped plastic-aluminum band in described, and the rate of putting up of interior aluminium-plastic tape thin layer and outer aluminium-plastic tape thin layer all is not less than 15%.
Described oversheath comprises the cross-linked polyolefin restrictive coating of disposable extrusion molding.
Described oversheath adopts Halogen, low cigarette, fire-retardant, radiation hardness cross-linked polyolefin protective cover material to make through the expressing technique one-shot forming.
Nuclear examining system of the present utility model not only has anti-strong electromagnetic and anti-electromagnetic-radiation with super shielded type cable, as under the environment of 1MHz～30MHz, have excellent shielding properties, but also have following character simultaneously: low cigarette, Halogen, fire-retardant, radiation resistance, good electric property and mechanical property etc.; Described nuclear examining system reaches 120dB with the shielding properties of super shielded type cable, and the transmission signals of cable is not subjected to the influence of various interference basically.
The utlity model has good transmission performance and superpower shielding properties, be particluarly suitable for using in the nuclear power station nuclear examining system.
Description of drawings
Fig. 1 examines the super shielded type cable schematic diagram of examining system
1, silver-plated copper stranded conductor 2, polyethylene layer 3, separator 4, first woven shield 5, the first armouring screen 6, second woven shield 7, the second armouring screen 8, the 3rd woven shield 9, the first aluminium-plastic tape thin layer 10, the second aluminium-plastic tape thin layer 11, oversheath
Embodiment
Further set forth the utility model below in conjunction with specific embodiment, should be understood that embodiment only be used to the utility model is described and be not used in the restriction protection range of the present utility model.
A kind of nuclear examining system with super shielded type cable as shown in Figure 1, comprise cable core, be coated on the cable core screen of cable core outer surface and be coated on the outer oversheath 11 of cable core screen, described cable core comprises silver-plated copper stranded conductor 1, is coated on the outer polyethylene layer 2 of silver-plated copper stranded conductor and is coated on the outer separator 3 of polyethylene layer that described cable core screen comprises first woven shield 4, the first armouring screen 5, second woven shield 6, the second armouring screen 7, the 3rd woven shield 8 and two-layer Isolated Shield layer from inside to outside successively; Aluminium-plastic tape thin layer 9 and outer aluminium-plastic tape thin layer 10 in described two-layer Isolated Shield layer comprises from inside to outside.
Described silver-plated copper stranded conductor 1 comprises the non-many stranded silver-plated circular copper wires that press.
Described polyethylene layer 2 is the high-density polyethylene layer of disposable extrusion molding.
Described first separator 3 is the polyimide film lapping layer, and the rate of putting up is not less than 15%.
Described first woven shield 4, second woven shield 6 and the 3rd woven shield 8 are silver-gilt copper wire and evenly weave the silver-plated copper silk screen that forms, and count is not less than 90%.
Described ground floor armour 5 and second layer armour 7 are by the wrapped armour that forms of double-deck ambrose alloy molybdenum alloy band gap.
Preferable, described double-deck ambrose alloy molybdenum alloy band around to being left-hand.
Further, described double-deck ambrose alloy molybdenum alloy band comprises internal layer ambrose alloy molybdenum alloy band and outer ambrose alloy molybdenum alloy band, the middle part of described outer ambrose alloy molybdenum alloy band is wrapped on the gap of described internal layer ambrose alloy molybdenum alloy band, and the width in the gap of adjacent alloy band is not more than 50% of ambrose alloy molybdenum alloy bandwidth.
Aluminium-plastic tape thin layer 9 and outer aluminium-plastic tape thin layer 10 include wrapped plastic-aluminum band in described, and the rate of putting up of interior aluminium-plastic tape thin layer 9 and outer aluminium-plastic tape thin layer 10 all is not less than 15%.
Described oversheath 11 comprises the cross-linked polyolefin restrictive coating of disposable extrusion molding.
Claims (8)
1. examine the super shielded type cable of examining system for one kind, comprise cable core, be coated on the cable core screen of cable core outer surface and be coated on the outer oversheath of cable core screen, it is characterized in that, described cable core comprises the silver-plated copper stranded conductor, is coated on the outer polyethylene layer of silver-plated copper stranded conductor and is coated on the outer separator of polyethylene layer that described cable core screen comprises first woven shield, the first armouring screen, second woven shield, the second armouring screen, the 3rd woven shield and two-layer separator from inside to outside successively; Aluminium-plastic tape thin layer and outer aluminium-plastic tape thin layer in described two-layer Isolated Shield layer comprises from inside to outside.
2. nuclear examining system as claimed in claim 1 is characterized in that with super shielded type cable described silver-plated copper stranded conductor comprises the non-many stranded silver-plated circular copper wires that press.
3. nuclear examining system as claimed in claim 1 is characterized in that with super shielded type cable described separator is the lapping layer of polyimide film, and the rate of putting up is not less than 15%.
4. nuclear examining system as claimed in claim 1 is characterized in that with super shielded type cable described first woven shield, second woven shield and the 3rd woven shield are silver-gilt copper wire and evenly weave the silver-plated copper silk screen that forms.
5. nuclear examining system as claimed in claim 1 is characterized in that with super shielded type cable, described ground floor armouring screen and the second layer armouring screen wrapped armouring screen that forms of double-deck ambrose alloy molybdenum alloy band gap of all serving as reasons.
6. nuclear examining system as claimed in claim 5 is characterized in that with super shielded type cable, described double-deck ambrose alloy molybdenum alloy band around to being left-hand.
7. the super shielded type cable of nuclear examining system as claimed in claim 6, it is characterized in that, described double-deck ambrose alloy molybdenum alloy band comprises internal layer ambrose alloy molybdenum alloy band and outer ambrose alloy molybdenum alloy band, the middle part of described outer ambrose alloy molybdenum alloy band is wrapped on the gap of described internal layer ambrose alloy molybdenum alloy band, and the width in the gap of adjacent alloy band is not more than 50% of ambrose alloy molybdenum alloy bandwidth.
8. the super shielded type cable of nuclear examining system as claimed in claim 1, it is characterized in that, aluminium-plastic tape thin layer and outer aluminium-plastic tape thin layer include wrapped plastic-aluminum band in described, and the rate of putting up of interior aluminium-plastic tape thin layer and outer aluminium-plastic tape thin layer all is not less than 15%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205515088U CN201897980U (en) | 2010-09-30 | 2010-09-30 | Super shielded cable for nuclear detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205515088U CN201897980U (en) | 2010-09-30 | 2010-09-30 | Super shielded cable for nuclear detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201897980U true CN201897980U (en) | 2011-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205515088U Expired - Fee Related CN201897980U (en) | 2010-09-30 | 2010-09-30 | Super shielded cable for nuclear detection system |
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| CN (1) | CN201897980U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723132A (en) * | 2012-06-14 | 2012-10-10 | 天津六〇九电缆有限公司 | Space-level nuclear electromagnetic interference resistant data bus cable and manufacturing method thereof |
| CN103065713A (en) * | 2013-01-05 | 2013-04-24 | 辽宁金环电缆有限公司 | High-strength full-shield anti-pulse superhigh frequency cable for nuclear power |
| CN103680722A (en) * | 2013-12-04 | 2014-03-26 | 江苏亨通线缆科技有限公司 | Anti-interference signal cable |
| CN103854803A (en) * | 2014-03-10 | 2014-06-11 | 四川九洲线缆有限责任公司 | High-anti-interference cable and preparing method thereof |
| CN103854763A (en) * | 2013-07-26 | 2014-06-11 | 安徽华星电缆集团有限公司 | Shield cable special for new energy automobile |
| CN104505156A (en) * | 2014-12-17 | 2015-04-08 | 常州八益电缆股份有限公司 | Cable used in containment of CAP1400 large pressurized water reactor nuclear power station |
| CN104715837A (en) * | 2015-02-28 | 2015-06-17 | 安徽德源电缆集团有限公司 | High-temperature resistant armored cable used for navigational ship |
| CN104867598A (en) * | 2014-02-25 | 2015-08-26 | 安徽卓越电缆有限公司 | Metallurgical tensile neoprene rubber sheath power cable |
| CN108511127A (en) * | 2017-02-24 | 2018-09-07 | 日立金属株式会社 | LAN cables |
| CN108766634A (en) * | 2018-06-01 | 2018-11-06 | 江苏华光电缆电器有限公司 | Four coaxial cable of heap outer core measurement equipment core grade |
| CN110265179A (en) * | 2019-05-23 | 2019-09-20 | 远程电缆股份有限公司 | A kind of nuclear energy protection system is with preventing letting out line |
| CN112492468A (en) * | 2020-11-18 | 2021-03-12 | 无锡杰夫电声股份有限公司 | Braided wire protection architecture is used in voice coil loudspeaker voice coil installation |
| CN113068389A (en) * | 2021-03-29 | 2021-07-02 | 浙江大华技术股份有限公司 | Electromagnetic radiation shielding device, manufacturing method thereof and communication cable |
-
2010
- 2010-09-30 CN CN2010205515088U patent/CN201897980U/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723132A (en) * | 2012-06-14 | 2012-10-10 | 天津六〇九电缆有限公司 | Space-level nuclear electromagnetic interference resistant data bus cable and manufacturing method thereof |
| CN102723132B (en) * | 2012-06-14 | 2014-04-30 | 天津六〇九电缆有限公司 | Space-level nuclear electromagnetic interference resistant data bus cable and manufacturing method thereof |
| CN103065713A (en) * | 2013-01-05 | 2013-04-24 | 辽宁金环电缆有限公司 | High-strength full-shield anti-pulse superhigh frequency cable for nuclear power |
| CN103854763A (en) * | 2013-07-26 | 2014-06-11 | 安徽华星电缆集团有限公司 | Shield cable special for new energy automobile |
| CN105225762A (en) * | 2013-12-04 | 2016-01-06 | 江苏亨通线缆科技有限公司 | Electromagnetism interference railway digital signal cable |
| CN103680722A (en) * | 2013-12-04 | 2014-03-26 | 江苏亨通线缆科技有限公司 | Anti-interference signal cable |
| CN103680722B (en) * | 2013-12-04 | 2016-06-01 | 江苏亨通线缆科技有限公司 | Anti-interference signal cable |
| CN105244114A (en) * | 2013-12-04 | 2016-01-13 | 江苏亨通线缆科技有限公司 | Rail transit signal cable with integrated shielding function |
| CN105244112A (en) * | 2013-12-04 | 2016-01-13 | 江苏亨通线缆科技有限公司 | Corrosion resistant anti-interference digital signal cable |
| CN105225761A (en) * | 2013-12-04 | 2016-01-06 | 江苏亨通线缆科技有限公司 | Low deamplification transmission cable |
| CN104867598A (en) * | 2014-02-25 | 2015-08-26 | 安徽卓越电缆有限公司 | Metallurgical tensile neoprene rubber sheath power cable |
| CN103854803A (en) * | 2014-03-10 | 2014-06-11 | 四川九洲线缆有限责任公司 | High-anti-interference cable and preparing method thereof |
| CN104505156A (en) * | 2014-12-17 | 2015-04-08 | 常州八益电缆股份有限公司 | Cable used in containment of CAP1400 large pressurized water reactor nuclear power station |
| CN104715837A (en) * | 2015-02-28 | 2015-06-17 | 安徽德源电缆集团有限公司 | High-temperature resistant armored cable used for navigational ship |
| CN108511127A (en) * | 2017-02-24 | 2018-09-07 | 日立金属株式会社 | LAN cables |
| CN108511127B (en) * | 2017-02-24 | 2020-11-24 | 日立金属株式会社 | LAN cable |
| CN108766634A (en) * | 2018-06-01 | 2018-11-06 | 江苏华光电缆电器有限公司 | Four coaxial cable of heap outer core measurement equipment core grade |
| CN110265179A (en) * | 2019-05-23 | 2019-09-20 | 远程电缆股份有限公司 | A kind of nuclear energy protection system is with preventing letting out line |
| CN112492468A (en) * | 2020-11-18 | 2021-03-12 | 无锡杰夫电声股份有限公司 | Braided wire protection architecture is used in voice coil loudspeaker voice coil installation |
| CN113068389A (en) * | 2021-03-29 | 2021-07-02 | 浙江大华技术股份有限公司 | Electromagnetic radiation shielding device, manufacturing method thereof and communication cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20110713 Termination date: 20180930 |