CN201466189U - Small-sized radio frequency coaxial cable - Google Patents
Small-sized radio frequency coaxial cable Download PDFInfo
- Publication number
- CN201466189U CN201466189U CN2009200970801U CN200920097080U CN201466189U CN 201466189 U CN201466189 U CN 201466189U CN 2009200970801 U CN2009200970801 U CN 2009200970801U CN 200920097080 U CN200920097080 U CN 200920097080U CN 201466189 U CN201466189 U CN 201466189U
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- coaxial cable
- copper
- copper foil
- radio frequency
- insulating barrier
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Abstract
The utility model relates to a small-sized radio frequency coaxial cable, which belongs to the technical field of data communication. The small-sized radio frequency coaxial cable sequentially comprises an inner conductor, an insulation layer and a sheath from inside to outside, and is characterized in that the insulation layer is arranged outside the inner conductor, copper foil is arranged outside the insulation layer, a shielding layer is arranged outside the copper foil, and the sheath is arranged outside the shielding layer. The small-sized radio frequency coaxial cable has the advantages of high transmission frequency, low transmission loss, fine shielding attenuation property, strong anti-interference and the like, can be widely used for data transmission of communication equipment and signal transmission of wire and wireless access networks and mobile communication, and can also be used for a radio frequency transmission signal communication system of electronic devices such as wireless electric broadcast and the like.
Description
Technical field
The utility model belongs to the data communication technology field, particularly relates to a kind of Miniature RF coaxial cable.
Background technology
At present, in the communications field, use radio frequency coaxial-cable to come transmission of electric signals, along with developing rapidly of digitizing technique, the data cable widespread usage, novel Miniature RF coaxial cable is used for the high-frequency digital transmission equipment, switch device, the signal-transmitting cable of wire and wireless Access Network and mobile communication.The characteristic impedance of adopting is 75 ohm, and a kind of utility model Miniature RF coaxial cable is provided.
The structure of known Miniature RF coaxial cable as shown in Figure 2.Cable comprises inner wire 7, insulating barrier 8, insulating barrier 9 screens 10 and sheath 11, and the characteristics of this cable are: insulating barrier 8 is foaming polyolefin material, and insulating barrier 9 is the polyolefin material.This cable exists transmission frequency low, technical problems such as shielding attenuation poor performance.
Summary of the invention
The utility model provides a kind of Miniature RF coaxial cable for solving the problem that prior art exists.
The purpose of this utility model provide a kind ofly have the transmission frequency height, loss is little, and has the Miniature RF coaxial cable of good characteristics such as shielding attenuation performance.
The utility model Miniature RF coaxial cable adopts following technical scheme:
A kind of Miniature RF coaxial cable comprises inner wire, insulating barrier and sheath from inside to outside successively, and be characterized in: inner wire has insulating barrier outward, and insulating barrier has Copper Foil outward, and Copper Foil has screen outward, and screen is outward a sheath.
The utility model Miniature RF coaxial cable can also adopt following technical measures:
Described Miniature RF coaxial cable is characterized in: inner wire is silver-plated circular copper wire.
Described Miniature RF coaxial cable is characterized in: insulating barrier has two layers, and internal layer is a foaming insulation layer, and skin is solid insulating barrier, and two insulating barriers are made by co-extrusion to structure.
Described Miniature RF coaxial cable is characterized in: Copper Foil is the vertical pack arrangement of thin copper foil.
Described Miniature RF coaxial cable is characterized in: paper tinsel is copper-polypropylene or copper-polypropylene-copper composite insulating foil.
Described Miniature RF coaxial cable is characterized in: screen is zinc-plated round copper wire braid.
Described Miniature RF coaxial cable is characterized in: screen is double-deck zinc-plated round copper wire braid.
Described Miniature RF coaxial cable is characterized in: the multicore radio frequency coaxial-cable that is combined into for single core or eight cores.
Advantage that the utlity model has and good effect:
The Miniature RF coaxial cable, owing to adopt the utility model brand-new technology scheme, conductor has adopted silver-plated circular copper wire, has good conductive capability, (conductance be about copper 105%) reduced cable loss, improved its operating frequency.
Adopted the copper foil material of coated insulation layer, Copper Foil adopts copper-polypropylene or copper-polypropylene-copper composite insulating foil, and the outer conductor structure that forms of tinned wird braiding, and therefore, product has good electrical properties.
Zinc-plated circular copper wire has better oxidation resistance as the metal wire knitted screen than bare copper wire, and corrosion resistance, and is convenient to welding.
Quite existing product has the transmission frequency height to the utility model cable, transmission attenuation is little, the shielding attenuation performance is good, the advantage of strong anti-interference performance. can be widely used in the transfer of data of communication apparatus, the signal transmission of wire and wireless Access Network and mobile communication also can be used for electronic installation transmitting radio frequency signal communication systems such as radio broadcasting.
Description of drawings
Fig. 1 is the Miniature RF coaxial cable lateral cross section structural representation that the utlity model has the vertical bag of Copper Foil;
Fig. 2 is existing Miniature RF coaxial cable lateral cross section structural representation with foaming insulation layer.
Among the figure: 1, inner wire, 2, foaming insulation layer, 3, solid insulating barrier, 4, Copper Foil, 5, screen, 6, sheath, among Fig. 2: 7, inner wire, 8, insulating barrier, 9, insulating barrier, 10, screen, 11, sheath.
Embodiment
For further understanding technology contents of the present utility model, characteristics and effect, enumerate following example now, and conjunction with figs. is described in detail as follows:
With reference to accompanying drawing 1 and Fig. 2.
Embodiment
A kind of Miniature RF coaxial cable is followed successively by inner wire 1 from inside to outside, and inner wire 1 is silver-plated circular copper wire; Outside the inner wire 1 two layer insulatings, internal layer being arranged is foaming insulation layers 2, and skin is that solid insulating barrier 3, two insulating barriers are made by co-extrusion to structure; Insulating barrier has Copper Foil 4 outward, and Copper Foil 4 is the vertical pack arrangement of copper-polypropylene or copper-polypropylene-copper composite insulating foil; Outside the Copper Foil 4 screen 5, screen 5 being arranged is zinc-plated round copper wire braid; Outside the screen 5 is sheath 6.
Have the vertical Miniature RF coaxial cable detailed structure explanation that adds braiding of Copper Foil:
Present embodiment is from the material aspect, inner wire 1 material is a silver-coated copper wire, foaming insulation layer 2 adopts the foam polyethylene material, solid insulating barrier 3 can adopt the polyolefin material, Copper Foil 4 adopts pure red copper material, layer covers layer 5 and is formed by the tinned wird braiding, and sheath 6 is a cable cover(ing) level polyvinyl chloride material.Also can adopt the low smoke and zero halogen material, all material meets the ROHS environmental requirement.
Miniature RF coaxial cable Copper Foil 4 concrete structures, vertical bag one deck soft copper paper tinsel outside the insulating barrier of extruding, vertical bag is wanted rounding, cover insulating barrier.The outer conductor structure that adopts vertical bag of Copper Foil and tinned wird braiding to form, Copper Foil also can adopt copper-polypropylene or copper-polypropylene-copper to meet paper tinsel.
The woven shield 5 that Copper Foil is outer is formed by the tinned wird braiding, also can adopt high-intensity CCAM to replace.
Woven shield is extruded the polyvinyl chloride cable sheath material outward, can adopt environment-friendly materials low smoke and zero halogen material.
Present embodiment Miniature RF coaxial cable, because conductor adopts silver-coated copper wire, insulating barrier adopts the foam polyethylene material, improved electromagnetic transmission speed rate like this, make cable attenuation little, adopt Copper Foil to add zinc-plated braid shielded, make cable have good shielding attenuation performance and antijamming capability, a kind of transmission frequency height is provided, loss is little, and a kind of Miniature RF coaxial cable that shielding properties is good has satisfied and is used for the high-frequency data transmission equipment, the signal transmission of wire and wireless Access Network and mobile communication, the specification requirement of electronic installation transmitting radio frequency signals such as radio broadcasting.
Claims (8)
1. Miniature RF coaxial cable, comprise inner wire, insulating barrier and sheath from inside to outside successively, it is characterized in that: insulating barrier (2) is arranged outside the inner wire (1), Copper Foil (4) is arranged outside the insulating barrier (2), screen (5) is arranged outside the Copper Foil (4), and screen (5) is outer to be sheath (6).
2. according to the described Miniature RF coaxial cable of claim 1, it is characterized in that: inner wire (1) is silver-plated circular copper wire.
3. according to claim 1 or 2 described Miniature RF coaxial cables, it is characterized in that: insulating barrier has two layers, and internal layer is foaming insulation layer (2), and skin is solid insulating barrier (3), and two insulating barriers are made by co-extrusion to structure.
4. according to the described Miniature RF coaxial cable of claim 1, it is characterized in that: Copper Foil (4) is the vertical pack arrangement of thin copper foil.
5. according to the described Miniature RF coaxial cable of claim 4, it is characterized in that: Copper Foil (4) is copper-polypropylene or copper-polypropylene-copper composite insulating foil.
6. according to claim 1,4 or 5 described Miniature RF coaxial cables, it is characterized in that: screen (5) is zinc-plated round copper wire braid.
7. according to the described Miniature RF coaxial cable of claim 6, it is characterized in that: screen (5) is double-deck zinc-plated round copper wire braid.
8. according to the described Miniature RF coaxial cable of claim 1, it is characterized in that: coaxial cable is the multicore radio frequency coaxial-cable that single core or eight cores are combined into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200970801U CN201466189U (en) | 2009-06-10 | 2009-06-10 | Small-sized radio frequency coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200970801U CN201466189U (en) | 2009-06-10 | 2009-06-10 | Small-sized radio frequency coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201466189U true CN201466189U (en) | 2010-05-12 |
Family
ID=42393536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200970801U Expired - Fee Related CN201466189U (en) | 2009-06-10 | 2009-06-10 | Small-sized radio frequency coaxial cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201466189U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143677A (en) * | 2014-07-11 | 2014-11-12 | 安徽宏源特种电缆集团有限公司 | Radio-frequency low-loss thin coaxial cable |
-
2009
- 2009-06-10 CN CN2009200970801U patent/CN201466189U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143677A (en) * | 2014-07-11 | 2014-11-12 | 安徽宏源特种电缆集团有限公司 | Radio-frequency low-loss thin coaxial cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20140610 |