CN203799706U - Composite shielding cable made of mineral insulation composite conductor - Google Patents
Composite shielding cable made of mineral insulation composite conductor Download PDFInfo
- Publication number
- CN203799706U CN203799706U CN201320819231.6U CN201320819231U CN203799706U CN 203799706 U CN203799706 U CN 203799706U CN 201320819231 U CN201320819231 U CN 201320819231U CN 203799706 U CN203799706 U CN 203799706U
- Authority
- CN
- China
- Prior art keywords
- composite
- cable
- copper
- stainless steel
- layer
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 66
- 239000004020 conductor Substances 0.000 title claims abstract description 30
- 238000009413 insulation Methods 0.000 title claims abstract description 20
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 13
- 239000011707 mineral Substances 0.000 title claims abstract description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 32
- 239000010935 stainless steel Substances 0.000 claims abstract description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052802 copper Inorganic materials 0.000 claims abstract description 21
- 239000010949 copper Substances 0.000 claims abstract description 21
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000004744 fabric Substances 0.000 claims abstract description 9
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 8
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 8
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910000836 magnesium aluminium oxide Inorganic materials 0.000 claims abstract description 5
- 239000003365 glass fiber Substances 0.000 claims abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 12
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 150000001875 compounds Chemical group 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract 1
- 229910010272 inorganic material Inorganic materials 0.000 description 3
- 239000011147 inorganic material Substances 0.000 description 3
- 239000002196 Pyroceram Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- 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
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model relates to the technical field of special cables. The technical problem to be solved is to provide a composite shielding cable made of a mineral insulation composite conductor for a special service environment where a cable for nuclear power is employed. The cable provided by the utility model is characterized in that the cable sequentially comprises a composite conductor, an insulating dielectric layer, a composite shielding body and a sheath from the inside to the outside; the composite conductor is formed by the compositing of copper and stainless steel, i.e., the inner layer of the composite conductor being made of copper and the outer layer of the composite conductor being made of stainless steel; the insulating dielectric layer is made of magnesium oxide, or aluminium oxide, or the mixture of the magnesium oxide and aluminium oxide; the composite shielding body is formed by the compositing of stainless steel -copper-stainless steel, i.e., the inner layer of the composite shielding body being a stainless-steel shielding layer, the central layer of the composite shielding body being a copper shielding layer, and the outer layer of the composite shielding body being a stainless-steel shielding layer; and the sheath is formed by the winding of glass fibre cloth. The cable provided by the utility model is reasonable in structure, is reliable in performance, is good in resistance to high temperature, is high in resistance to radiation, is high in mechanical strength, is good in insulating performance, and is long in service life.
Description
Technical field
The utility model relates to special cable technical field; Relate in particular to radiation as contour in nuclear power, high ambient temperature occasion, for the mineral insulation composite conductor composite shielding cable of transportation simulator electronic signal.
Technical background
Along with developing rapidly of China's Construction of Nuclear Electricity, nuclear power is also progressively strengthening by the R&D intensity of cable, the nuclear accident occurring in nuclear power developing history is reminded people constantly, and safety problem is most important, so cable performance for nuclear power, quality, the general cable of reliability level geometric ratio are high a lot.Chinese patent (patent No. is 200520072431.5) disclosed " nuclear island cable for nuclear power station " for example, Chinese patent (patent No. is 200620101846.5) disclosed " cable for nuclear power station ", the insulation layer structure that it all adopts organic materials such as utilizing polyethylene, polyvinyl chloride, fluoroplastics to form, and organic material is very easily aging under the harsh conditions such as high temperature, high radiation, cable performance is declined, even completely lose performance.
Utility model content
Technical problem to be solved in the utility model is for the deficiencies in the prior art, for the special environment for use of cable for nuclear power, provides a kind of mineral insulation composite conductor composite shielding cable.
For solving the problems of the technologies described above, technical solution of the present utility model is:
A mineral insulation composite conductor composite shielding cable, is characterized in that: described cable is followed successively by composite conductor, insulating medium layer, composite shielding body, sheath from inside to outside; Described composite conductor is for adopting copper and stainless steel is compound forms, and composite conductor material internal layer is copper, and skin is stainless steel; Described dielectric layer material is magnesium oxide or aluminium oxide or silicon dioxide or their mixture; Described composite shielding body is that stainless steel-copper-stainless-steel is composited, that is: composite shielding body material nexine is stainless steel shielding layer, and middle level is copper shield, and outer is stainless steel shielding layer; Described sheath is that glass fabric is entwined.
Preferably, to account for the area of section ratio of composite shielding body be 30% ~ 80% in copper shield cross section.
Preferably, described sheath is that temperature resistant glass fiber cloth 50% dislocation lap wound forms.
The utility model can bring following beneficial effect:
(1) heat-resisting quantity is good
Because this cable composite conductor material is copper and stainless steel, and copper is coated on stainless steel the inside completely; Composite shielding body material is copper and stainless steel, and copper is completely wrapped and is clipped in the middle by two-layer stainless steel.Stainless fusing point is 1450 ℃, and the fusing point of copper is 1084 ℃.Cable insulation dielectric layer material is magnesium oxide, aluminium oxide or silicon dioxide or its mixture, and magnesium oxide fusing point is 2800 ℃, and aluminium oxide fusing point is 2045 ℃, and silica melting point is 1610 ℃; Sheath material is glass cloth, and main component is silicon dioxide, and fusing point is 1200 ℃.
Above material is inorganic material and fusing point is high, so cable can be in long-term work under hot environment.
(2) capability of resistance to radiation is strong
Because cable all adopts inorganic material, capability of resistance to radiation is strong, and after standing nuclear radiation, the electric and mechanical performance of cable can not produce any variation.
(3) mechanical strength is high
Because cable composite shielding body is stainless steel-copper-stainless-steel composite construction, there is larger intensity and certain toughness, dielectric is through high temperature sintering and high compression in cables manufacturing process simultaneously, and dielectric strength is high, so the mechanical strength of cable can access effective assurance.
(4) good insulation preformance
Mineral insulating material due to the inside and outside insulating medium layer employing of cable magnesium oxide, aluminium oxide, silicon dioxide, and these materials in cables manufacturing process through high temperature sintering and high compression, specific insulation is high, magnesium oxide: in the time of 20 ℃, > 1 * 10
14Ω cm, in the time of 300 ℃, > 5 * 10
10Ω cm; Aluminium oxide: in the time of 20 ℃, > 1 * 10
13Ω cm, in the time of 300 ℃, > 1 * 10
10Ω cm; Silica: in the time of 20 ℃, > 1 * 10
13Ω cm, in the time of 300 ℃, > 2 * 10
9Ω cm.
So cable insulation property when normal temperature and 300 ℃ are good.
(5) D.C. resistance is little
Cable adopts composite conductor, at stainless steel tube the inside parcel copper core, during 20 ℃ of copper resistivity very little be 0.017241 Ω mm
2/ m; During 20 ℃ of 304L stainless steels, resistivity is 0.73 Ω mm
2/ m.
(6) long service life
Cable is that mineral insulation inorganic material is made, and does not have problem of aging.And stainless steel tube and glass fabric all have the characteristics such as wear-resisting, high temperature resistant, denude minimum.So the length in cable useful life is apparent.
To sum up, the utility model is rational in infrastructure, and dependable performance has heat-resisting quantity good, and capability of resistance to radiation is strong, and mechanical strength is high, good insulation preformance, the advantages such as life-span length.
Accompanying drawing explanation
Fig. 1: the structural representation of a preferred embodiment of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
In Fig. 1,1 is composite conductor; 2 is insulating medium layer; 3 is composite shielding body; 4 is sheath.
Embodiment 1:TGWMY-500-0.4-1 mineral insulation composite conductor composite shielding coaxial cable
Composite conductor is stainless steel copper-clad line, and it is 50% that copper core cross section accounts for composite conductor area of section ratio, composite conductor diameter 0.4mm; Insulating medium layer adopts the insulation of inorganic oxide magnesium, insulating medium layer external diameter 3.5mm; Composite shielding body is stainless steel-copper-stainless-steel composite shielding, that is: nexine shielding is stainless steel, and middle level shielding is copper, and outer shielding is stainless steel, and it is 80% that copper shield cross section accounts for composite shielding body section area ratio, composite shielding body diameter 6.00mm; Sheath adopts 0.15mm pyroceram cloth 50% dislocation lap wound to form, sheath external diameter 6.6mm.Cable properties impedance is 50 Ω.
Embodiment 2:TGWGY-300-0.6-1 mineral insulation composite conductor composite shielding coaxial cable
Composite conductor is stainless steel copper-clad line, and it is 80% that copper core cross section accounts for composite conductor area of section ratio, composite conductor diameter 0.6mm; Insulating medium layer adopts inorganic silicon oxide insulation, insulating medium layer external diameter 2.2mm; Composite shielding body is stainless steel-copper-stainless-steel composite shielding, and nexine shielding is stainless steel, and middle level shielding is copper, and outer shielding is stainless steel, and it is 50% that copper shield cross section accounts for composite shielding body section area ratio, composite shielding body diameter 4.00mm; Sheath adopts 0.15mm pyroceram cloth 50% dislocation lap wound to form, sheath external diameter 4.6mm.Cable properties impedance is 50 Ω.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the utility model is not limited to the embodiment here, and those skilled in the art are according to announcement of the present utility model, and not departing from the improvement that the utility model category makes and revise all should be within protection range of the present utility model.
Claims (3)
1. a mineral insulation composite conductor composite shielding cable, is characterized in that: described cable is followed successively by composite conductor, insulating medium layer, composite shielding body, sheath from inside to outside; Described composite conductor is for adopting copper and stainless steel is compound forms, and composite conductor material internal layer is copper, and skin is stainless steel; Described dielectric layer material is magnesium oxide or aluminium oxide or silicon dioxide; Described composite shielding body is that stainless steel-copper-stainless-steel is composited, that is: composite shielding body material nexine is stainless steel shielding layer, and middle level is copper shield, and outer is stainless steel shielding layer; Described sheath is that glass fabric is entwined.
2. according to a kind of mineral insulation composite conductor composite shielding cable claimed in claim 1, it is characterized in that: the area of section ratio that described copper shield cross section accounts for composite shielding body is 30%～80%.
3. according to a kind of mineral insulation composite conductor composite shielding cable described in claim 1 or 2, it is characterized in that: described sheath is that temperature resistant glass fiber cloth 50% dislocation lap wound forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320819231.6U CN203799706U (en) | 2013-12-13 | 2013-12-13 | Composite shielding cable made of mineral insulation composite conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320819231.6U CN203799706U (en) | 2013-12-13 | 2013-12-13 | Composite shielding cable made of mineral insulation composite conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203799706U true CN203799706U (en) | 2014-08-27 |
Family
ID=51381902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320819231.6U Expired - Fee Related CN203799706U (en) | 2013-12-13 | 2013-12-13 | Composite shielding cable made of mineral insulation composite conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203799706U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105139942A (en) * | 2015-09-28 | 2015-12-09 | 张家港市广川电子有限公司 | Communication cable |
| CN108022677A (en) * | 2017-12-02 | 2018-05-11 | 安徽天康(集团)股份有限公司 | 1E grades of K1 class nuclear measurement system mineral insulated cables in npp safety shell |
-
2013
- 2013-12-13 CN CN201320819231.6U patent/CN203799706U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105139942A (en) * | 2015-09-28 | 2015-12-09 | 张家港市广川电子有限公司 | Communication cable |
| CN105139942B (en) * | 2015-09-28 | 2017-03-22 | 江苏广川线缆股份有限公司 | Communication cable |
| CN108022677A (en) * | 2017-12-02 | 2018-05-11 | 安徽天康(集团)股份有限公司 | 1E grades of K1 class nuclear measurement system mineral insulated cables in npp safety shell |
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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 |
Granted publication date: 20140827 |