CN212625995U - A radiation-resistant high-performance coaxial radio frequency cable - Google Patents
A radiation-resistant high-performance coaxial radio frequency cable Download PDFInfo
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- CN212625995U CN212625995U CN202021424257.7U CN202021424257U CN212625995U CN 212625995 U CN212625995 U CN 212625995U CN 202021424257 U CN202021424257 U CN 202021424257U CN 212625995 U CN212625995 U CN 212625995U
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- frequency cable
- coaxial radio
- radio frequency
- inner conductor
- outer conductor
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- 230000005855 radiation Effects 0.000 title claims abstract description 6
- 239000004020 conductor Substances 0.000 claims abstract description 60
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 239000004698 Polyethylene Substances 0.000 claims abstract description 7
- 239000003063 flame retardant Substances 0.000 claims abstract description 7
- -1 polyethylene Polymers 0.000 claims abstract description 7
- 229920000573 polyethylene Polymers 0.000 claims abstract description 7
- 229920000098 polyolefin Polymers 0.000 claims abstract description 7
- 239000000779 smoke Substances 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 3
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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Abstract
本实用新型公开了一种耐辐照高性能同轴射频电缆，属于同轴射频电缆技术领域。同轴射频电缆从内到外依次包括同轴射频电缆内导体、内导体绝缘层、同轴射频电缆外导体以及外导体绝缘护套；所述同轴射频电缆内导体为实心镀银圆铜线，内导体绝缘层采用聚乙烯材料，同轴射频电缆外导体为镀银铜波纹管，外导体绝缘护套的材料采用低烟无卤阻燃交联聚烯烃。通过同轴射频电缆内导体采用实心镀银圆铜线，同轴射频电缆外导体采用镀银铜波纹管，内导体绝缘层采用聚乙烯材料，外导体绝缘护套的材料采用低烟无卤阻燃交联聚烯烃，使得同轴射频电缆的可弯曲半径降低，最少可达15cm，抗拉张力最大可达650N，能够满足核电厂内复杂的施工地形环境，方便现场布线。
The utility model discloses a radiation-resistant high-performance coaxial radio frequency cable, which belongs to the technical field of coaxial radio frequency cables. The coaxial radio frequency cable sequentially includes an inner conductor of the coaxial radio frequency cable, an insulating layer of the inner conductor, an outer conductor of the coaxial radio frequency cable, and an insulating sheath of the outer conductor; the inner conductor of the coaxial radio frequency cable is a solid silver-plated round copper wire, The inner conductor insulation layer is made of polyethylene material, the outer conductor of the coaxial radio frequency cable is a silver-plated copper corrugated tube, and the material of the outer conductor insulation sheath is low-smoke halogen-free flame-retardant cross-linked polyolefin. The inner conductor of the coaxial radio frequency cable is made of solid silver-plated round copper wire, the outer conductor of the coaxial radio frequency cable is made of silver-plated copper corrugated tube, the insulation layer of the inner conductor is made of polyethylene, and the insulation sheath of the outer conductor is made of low-smoke halogen-free flame retardant. The cross-linked polyolefin reduces the bendable radius of the coaxial RF cable to a minimum of 15cm and a maximum tensile strength of 650N, which can meet the complex construction terrain environment in the nuclear power plant and facilitate on-site wiring.
Description
Technical Field
The utility model relates to an irradiation-resistant high performance coaxial radio frequency cable belongs to coaxial radio frequency cable technical field.
Background
The split type radar liquid level meter has been applied more and more in nuclear power projects, and is mainly used for measuring liquid level meters in water pits, water pools, tanks and the like of nuclear power plants. Due to the fact that the terrain is complex in the working condition of site construction, the coaxial radio frequency cable is required to be capable of being bent flexibly to be suitable for a complex wiring environment.
But the bending radius of the coaxial radio frequency cable used in the split type radar liquid level meter is larger and the diameter is thicker at present, which brings inconvenience to field wiring.
Disclosure of Invention
The utility model discloses the technical problem that will solve lies in: the utility model provides an irradiation resistant high performance coaxial radio frequency cable, it has solved the great and thick diameter of bending radius of coaxial radio frequency cable among the split type radar level gauge among the prior art, has brought inconvenient problem for the on-the-spot wiring.
The utility model discloses the technical problem that will solve takes following technical scheme to realize:
a radiation-resistant high-performance coaxial radio-frequency cable comprises a coaxial radio-frequency cable inner conductor, an inner conductor insulating layer, a coaxial radio-frequency cable outer conductor and an outer conductor insulating sheath in sequence from inside to outside;
the inner conductor of the coaxial radio-frequency cable is a solid silver-plated round copper wire;
the inner conductor insulating layer is made of polyethylene material;
the coaxial radio frequency cable outer conductor is a silver-plated copper corrugated pipe;
the material of the outer conductor insulating sheath is low-smoke halogen-free flame-retardant cross-linked polyolefin.
As a preferred example, the diameter of the inner conductor of the coaxial radio frequency cable is in the range of 3.5-4.0 mm.
As a preferred example, the outer diameter of the inner conductor insulation layer ranges from 8 to 10 mm.
As a preferred example, the thickness of the tube wall of the silver-plated copper corrugated tube of the outer conductor of the coaxial radio-frequency cable is 0.2-0.4 mm.
The utility model has the advantages that: adopt solid silver-plated round copper wire through coaxial radio frequency cable inner conductor, coaxial radio frequency cable outer conductor adopts silver-plated copper bellows, and the inner conductor insulating layer adopts the polyethylene material, and outer conductor insulation sheath's material adopts low smoke and zero halogen fire-retardant crosslinked polyolefin for coaxial radio frequency cable's flexible radius reduces, can reach 15cm at least, and tensile tension can reach 650N at most, can satisfy complicated construction topography environment in the nuclear power plant, and the suitability is strong, makes things convenient for the field wiring.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
fig. 3 is a schematic sectional view along a-a in fig. 2.
In the figure: the coaxial radio frequency cable comprises an inner conductor 1 of the coaxial radio frequency cable, an inner conductor insulating layer 2, an outer conductor 3 of the coaxial radio frequency cable and an outer conductor insulating sheath 4.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.
As shown in fig. 1-3, an irradiation-resistant high-performance coaxial rf cable includes, from inside to outside, a coaxial rf cable inner conductor 1, an inner conductor insulating layer 2, a coaxial rf cable outer conductor 3, and an outer conductor insulating sheath 4 in sequence;
the inner conductor 1 of the coaxial radio-frequency cable is a solid silver-plated round copper wire, and preferably, the diameter range of the inner conductor 1 of the coaxial radio-frequency cable is 3.5-4.0 mm;
the inner conductor insulating layer 2 is made of polyethylene materials, and preferably, the outer diameter of the inner conductor insulating layer 2 ranges from 8 mm to 10 mm;
the coaxial radio-frequency cable outer conductor 3 is a silver-plated copper corrugated pipe, and preferably, the thickness of the wall of the silver-plated copper corrugated pipe of the coaxial radio-frequency cable outer conductor 3 is 0.2-0.4 mm;
the material of the outer conductor insulating sheath 4 is low-smoke halogen-free flame-retardant cross-linked polyolefin.
The present invention will be described in detail below by way of examples.
Example (b):
the inner conductor 1 of the coaxial radio-frequency cable is made of a solid silver-plated copper wire, the nominal diameter of the conductor is 3.6mm, the inner conductor insulating layer 2 of the coaxial radio-frequency cable is made of a polyethylene material, and the outer diameter of the inner conductor insulating layer is 9 mm; the coaxial radio frequency cable outer conductor 3 is coated outside the inner conductor insulating layer 2 by adopting a 0.2mm silver-plated copper corrugated pipe; the material of the outer conductor insulating sheath 4 is low-smoke halogen-free flame-retardant cross-linked polyolefin.
Detection example:
the performance of the coaxial radio-frequency cable of the embodiment is detected, and the result is as follows:
(1) the bending radius of the coaxial radio frequency cable can reach 15cm at least;
(2) the maximum tensile tension can reach 650N;
(3) the working frequency range is 100MHz-3 GHz;
(4) the characteristic impedance is 50 omega +/-1 omega;
(5) the attenuation constant is not more than 0.2 dB/m;
(6) insulation resistance is greater than or equal to 5000M omega.km;
(7) the DC voltage is 5000V and the breakdown is not generated within one minute.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The irradiation-resistant high-performance coaxial radio-frequency cable is characterized in that the coaxial radio-frequency cable sequentially comprises a coaxial radio-frequency cable inner conductor, an inner conductor insulating layer, a coaxial radio-frequency cable outer conductor and an outer conductor insulating sheath from inside to outside;
the inner conductor of the coaxial radio-frequency cable is a solid silver-plated round copper wire;
the inner conductor insulating layer is made of polyethylene material;
the coaxial radio frequency cable outer conductor is a silver-plated copper corrugated pipe;
the material of the outer conductor insulating sheath is low-smoke halogen-free flame-retardant cross-linked polyolefin.
2. The radiation-resistant high-performance coaxial radio-frequency cable according to claim 1, wherein the diameter of the inner conductor of the coaxial radio-frequency cable is in the range of 3.5-4.0 mm.
3. The radiation-resistant high-performance coaxial radio-frequency cable according to claim 1, wherein the outer diameter of the inner conductor insulating layer is in the range of 8-10 mm.
4. The radiation-resistant high-performance coaxial radio-frequency cable according to claim 1, wherein the thickness of the tube wall of the silver-plated copper corrugated tube of the outer conductor of the coaxial radio-frequency cable is 0.2-0.4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021424257.7U CN212625995U (en) | 2020-07-17 | 2020-07-17 | A radiation-resistant high-performance coaxial radio frequency cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021424257.7U CN212625995U (en) | 2020-07-17 | 2020-07-17 | A radiation-resistant high-performance coaxial radio frequency cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212625995U true CN212625995U (en) | 2021-02-26 |
Family
ID=74720886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021424257.7U Active CN212625995U (en) | 2020-07-17 | 2020-07-17 | A radiation-resistant high-performance coaxial radio frequency cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212625995U (en) |
-
2020
- 2020-07-17 CN CN202021424257.7U patent/CN212625995U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20241127 Address after: No. 8, Xuanzhong Road, Xuanqiao Town, Pudong New Area, Shanghai, 201399 Patentee after: SHANGHAI XINGSHEN INSTRUMENT CO.,LTD. Country or region after: China Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: 201399 1st floor, building 5, No.8 Xuanzhong Road, Xuanqiao Town, Pudong New Area, Shanghai Patentee before: SHANGHAI XINGSHEN INSTRUMENT CO.,LTD. Country or region before: China |
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| TR01 | Transfer of patent right |