CN208256321U - A kind of resist bending low loss coaxial radio frequency cable - Google Patents
A kind of resist bending low loss coaxial radio frequency cable Download PDFInfo
- Publication number
- CN208256321U CN208256321U CN201820657021.4U CN201820657021U CN208256321U CN 208256321 U CN208256321 U CN 208256321U CN 201820657021 U CN201820657021 U CN 201820657021U CN 208256321 U CN208256321 U CN 208256321U
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- China
- Prior art keywords
- silver
- layer
- perfluoroethylene
- radio frequency
- eptee
- 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
- 238000005452 bending Methods 0.000 title claims abstract description 20
- 239000010410 layer Substances 0.000 claims abstract description 53
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 39
- -1 perfluoroethylene-propylene Chemical group 0.000 claims abstract description 24
- 239000011241 protective layer Substances 0.000 claims abstract description 15
- 229910052709 silver Inorganic materials 0.000 claims abstract description 15
- 239000004332 silver Substances 0.000 claims abstract description 15
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 6
- 150000001336 alkenes Chemical class 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000004891 communication Methods 0.000 abstract description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 238000001192 hot extrusion Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 241001124569 Lycaenidae Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 235000014987 copper Nutrition 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a kind of resist bending low loss coaxial radio frequency cables, it is characterised in that: including silver-plated copper core, perfluoroethylene-propylene protective layer, microporous polytetrafluoroethylinsulation insulation layer, silver-plated copper band internal shield, expanded microporous polytetra fluoroethylene-EPTEE middle layer, silver-coated copper wire external shielding layer and the perfluoroethylene-propylene oversheath being arranged from inside to outside；The silver-plated copper band internal shield, expanded microporous polytetra fluoroethylene-EPTEE middle layer, silver-coated copper wire external shielding layer composition combination shielded layer.Have the advantages that resistance to bend(ing) is good, transmission attenuation is small, voltage standing wave ratio is small, shielding anti-interference is good, is widely used in the fields such as space flight, aviation, ship, satellite, radar, communication.
Description
Technical field
The utility model belongs to communication cable technical field, is related to a kind of resist bending low loss coaxial radio frequency cable.Mainly
Applied to fields such as space flight, aviation, ship, satellite, radar, communications, as each class of electronic devices radio signal transmission line.
Background technique
With the continuous development of microwave communication and the demand of intelligent microwave instrument, signal transmission decays to radio-frequency cable
Higher and higher with the requirement of voltage standing wave ratio, demand is increasing, and proposes the requirement of bending resistance to radio-frequency cable.
The disadvantages of there are transmission loss for current country's radio-frequency cable greatly, shielding anti-interference is poor, environment resistant difference, and resistance to bend(ing) is poor, makes
Its scope of application is restricted, and can not be used in high-frequency range, transmission attenuation is big, and cable is stiff.
Utility model content
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, a kind of resist bending low loss coaxial is provided and is penetrated
Frequency cable, the resist bending low loss coaxial radio frequency cable is with resistance to bend(ing) is good, transmission attenuation is small, voltage standing wave ratio is small, shielding
The good advantage of anti-interference.
Realizing the technical solution of the utility model is: a kind of resist bending low loss coaxial radio frequency cable, it is characterised in that: packet
Include the silver-plated copper core being arranged from inside to outside, perfluoroethylene-propylene protective layer, microporous polytetrafluoroethylinsulation insulation layer, in silver-plated copper band
Shielded layer, expanded microporous polytetra fluoroethylene-EPTEE middle layer, silver-coated copper wire external shielding layer and perfluoroethylene-propylene oversheath；The silver-plated copper band
Internal shield, expanded microporous polytetra fluoroethylene-EPTEE middle layer, silver-coated copper wire external shielding layer composition combination shielded layer.
The perfluoroethylene-propylene protective layer is thin layer.
The perfluoroethylene-propylene protective layer is extruded by surface heat to be overlying on outside silver-plated copper core.
The silver-plated copper core is rope-lay strand.
The microporous polytetrafluoroethylinsulation insulation layer is expanded microporous polytetra fluoroethylene-EPTEE Transposed wind in perfluoroethylene-propylene protective layer
Outside.
Combination of the silver-plated copper with internal shield, expanded microporous polytetra fluoroethylene-EPTEE middle layer, silver-coated copper wire external shielding layer composition
Shielded layer is coated on outside expanded microporous polytetra fluoroethylene-EPTEE thin dielectric film, shield effectiveness > 90dB.
The perfluoroethylene-propylene oversheath is that perfluoroethylene-propylene is extruded in outside combination shielded layer.
The beneficial effects of the utility model are:
1. the utility model inner conductor uses the silver-plated copper stranded wire structure of suitable coating, and very thin in interior conductive surface hot extrusion
One strata perfluoroethylene-propylene (copolymer) protective layer, such protective layer may insure that conductor is not indeformable after million bendings, loose, it is ensured that
Cable electrical performance and stable mechanical performance.
2. insulating layer by the way of wrapped expanded microporous polytetra fluoroethylene-EPTEE film has, cable, decaying is small, standing wave is low, phase
The features such as stable, repeated multiple times bending.
3. using silver-plated copper with internal shield+expanded microporous polytetra fluoroethylene-EPTEE middle layer+silver-coated copper wire external shielding layer combination screen
Mode is covered, silver-plated copper band internal shield and silver-coated copper wire external shielding layer are with shield effectiveness is good, product structure is stable, anti-interference energy
The features such as power is strong, good resistant to bending, wrapped low-density polytetrafluoroethylene (PTFE) micropore is with the protection that middle layer is as internal shield
Layer, the effect of the protective layer are to ensure that cable after alternating bending, and the internal shield of lapping structure is not subjected to displacement variation, thus
Ensure the mechanical phase of cable and the stability of decaying, while service life and the transmission performance of cable also can be improved.
4. cable sheath material selects perfluoroethylene-propylene, and using the melting melting extrusion processing of high temperature hot extrusion equipment
It forms, cable has excellent high-low temperature resistant, acid and alkali-resistance, corrosion-resistant, environmental suitability and good bandability etc., can effectively improve electricity
The ambient adaptability and reliability of cable.
Detailed description of the invention
Fig. 1 is the utility model embodiment structural schematic diagram；
Fig. 2 is the utility model embodiment schematic cross-sectional view.
Figure label: 1-silver-plated copper core, 2-perfluoroethylene-propylene protective layers, 3-microporous polytetrafluoroethylinsulation insulation layers,
4-silver-plated coppers band internal shield, 5-expanded microporous polytetra fluoroethylene-EPTEE middle layers, 6-silver-coated copper wire external shielding layers, 7-perfluoroethylenes third
Alkene oversheath.
Specific embodiment
As shown in Figure 1 and Figure 2, a kind of resist bending low loss coaxial radio frequency cable, including the silver-coated copper wire being arranged from inside to outside
Core 1, perfluoroethylene-propylene protective layer 2, microporous polytetrafluoroethylinsulation insulation layer 3, silver-plated copper band internal shield 4, microporous PTFE second
Alkene middle layer 5, silver-coated copper wire external shielding layer 6 and perfluoroethylene-propylene oversheath 7；The silver-plated copper band internal shield 4, micropore are poly-
Tetrafluoroethene middle layer 5, the composition combination shielded layer of silver-coated copper wire external shielding layer 6；The perfluoroethylene-propylene protective layer 2 passes through table
Face hot extrusion coats thin layer in outside silver-plated copper core 1.The silver-plated copper core 1 is rope-lay strand.The microporous PTFE second
Alkene insulating layer 3 is expanded microporous polytetra fluoroethylene-EPTEE Transposed wind in 2 outside perfluoroethylene-propylene protective layer.The silver-plated copper band internal shield
4, the combination shielded layer that expanded microporous polytetra fluoroethylene-EPTEE middle layer 5, silver-coated copper wire external shielding layer 6 form is coated on expanded microporous polytetra fluoroethylene-EPTEE
Outside thin dielectric film 3, shield effectiveness > 90dB.The perfluoroethylene-propylene oversheath 7 is that perfluoroethylene-propylene is extruded in combination
Outside shielded layer.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, and should refer to
Out, any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should all include
It is within the protection scope of the utility model.
Claims (7)
1. a kind of resist bending low loss coaxial radio frequency cable, it is characterised in that: including the silver-plated copper core, poly- being arranged from inside to outside
Perfluoroethylene-propylene (copolymer) protective layer, microporous polytetrafluoroethylinsulation insulation layer, silver-plated copper band internal shield, expanded microporous polytetra fluoroethylene-EPTEE middle layer,
Silver-coated copper wire external shielding layer and perfluoroethylene-propylene oversheath；Among the silver-plated copper band internal shield, expanded microporous polytetra fluoroethylene-EPTEE
Layer, silver-coated copper wire external shielding layer composition combination shielded layer.
2. resist bending low loss coaxial radio frequency cable according to claim 1, it is characterised in that: the perfluoroethylene-propylene is protected
Sheath is thin layer.
3. resist bending low loss coaxial radio frequency cable according to claim 1 or claim 2, it is characterised in that: the perfluoroethylene third
Alkene protective layer is extruded by surface heat to be overlying on outside silver-plated copper core.
4. resist bending low loss coaxial radio frequency cable according to claim 1, it is characterised in that: the silver-plated copper core is more
Stock twisted wire.
5. resist bending low loss coaxial radio frequency cable according to claim 1, it is characterised in that: the expanded microporous polytetra fluoroethylene-EPTEE
Insulating layer is expanded microporous polytetra fluoroethylene-EPTEE Transposed wind in outside perfluoroethylene-propylene protective layer.
6. resist bending low loss coaxial radio frequency cable according to claim 1, it is characterised in that: the silver-plated copper band inner shield
The combination shielded layer that layer, expanded microporous polytetra fluoroethylene-EPTEE middle layer, silver-coated copper wire external shielding layer form is coated on expanded microporous polytetra fluoroethylene-EPTEE
Outside thin dielectric film, shield effectiveness > 90dB.
7. resist bending low loss coaxial radio frequency cable according to claim 1, it is characterised in that: outside the perfluoroethylene-propylene
Sheath is that perfluoroethylene-propylene is extruded in outside combination shielded layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820657021.4U CN208256321U (en) | 2018-05-04 | 2018-05-04 | A kind of resist bending low loss coaxial radio frequency cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820657021.4U CN208256321U (en) | 2018-05-04 | 2018-05-04 | A kind of resist bending low loss coaxial radio frequency cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208256321U true CN208256321U (en) | 2018-12-18 |
Family
ID=64635893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820657021.4U Expired - Fee Related CN208256321U (en) | 2018-05-04 | 2018-05-04 | A kind of resist bending low loss coaxial radio frequency cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208256321U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265189A (en) * | 2019-06-25 | 2019-09-20 | 深圳市速联技术有限公司 | High stable phase performance coaxial cable and preparation method thereof |
| CN114334237A (en) * | 2021-12-23 | 2022-04-12 | 四川九洲线缆有限责任公司 | Ultra-soft low-loss cable for narrow space |
-
2018
- 2018-05-04 CN CN201820657021.4U patent/CN208256321U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265189A (en) * | 2019-06-25 | 2019-09-20 | 深圳市速联技术有限公司 | High stable phase performance coaxial cable and preparation method thereof |
| CN114334237A (en) * | 2021-12-23 | 2022-04-12 | 四川九洲线缆有限责任公司 | Ultra-soft low-loss cable for narrow space |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181218 |