CN202633485U - RF coaxial cable - Google Patents
RF coaxial cable Download PDFInfo
- Publication number
- CN202633485U CN202633485U CN 201220286057 CN201220286057U CN202633485U CN 202633485 U CN202633485 U CN 202633485U CN 201220286057 CN201220286057 CN 201220286057 CN 201220286057 U CN201220286057 U CN 201220286057U CN 202633485 U CN202633485 U CN 202633485U
- Authority
- CN
- China
- Prior art keywords
- copper wire
- coaxial cable
- coaxial
- radio frequency
- 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 - Lifetime
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Abstract
The utility model discloses an RF (Radio Frequency) coaxial cable. The RF coaxial cable comprises a plurality of coaxial cables and polypropylene pull ropes, which are all wrapped by a polyester belt, wherein an outer sheath is arranged on the outer layer of the polyester belt; each coaxial cable is provided with a flame-retardant polyvinyl chloride sheathing layer, a copper wire braided layer, an insulated layer and a copper wire conductor which are sequentially arranged from the outside in; and the diameter of each copper wire conductor is 0.31-0.87 mm. The RF coaxial cable has the advantages of simple structure, unique design, smooth surface, compaction and roundness and stable quality, conforms to the environmentally-friendly requirement, has low-smoke, halogen-free and flame-retardant properties, is mainly suitable for connecting transmission equipment in a communication system machine room, has the working frequency ranging from 1 MHz to 20 MHz, and can produce excellent economic benefits and social effects.
Description
Technical field
The utility model relates to a kind of coaxial cable, is specifically related to a kind of radio frequency coaxial-cable.
Background technology
At present, along with the fast development of the communication technology, increasing radio frequency coaxial-cable just develops towards directions such as lightness, low costs; And existing radio frequency coaxial-cable, complex structure, manufacturing cost is high; Use inconvenience, and useful life is shorter, can not satisfies user demand.
The utility model content
Goal of the invention: to the deficiency that exists in the prior art, the purpose of the utility model provides a kind of radio frequency coaxial-cable, characteristics such as make that it has steady quality, cost is low and durable.
Technical scheme: in order to realize the foregoing invention purpose, the technical scheme that the utility model adopts is:
A kind of radio frequency coaxial-cable comprises by many coaxial lines of polyester belt parcel and restricting with the polypropylene tearing; Be provided with oversheath at the polyester belt skin; Described coaxial line is provided with flame-proof polyvinyl chloride restrictive coating, copper wire braid, insulating barrier and copper wire conductor from outside to inside successively; The diameter of described copper wire conductor is 0.31 ~ 0.87mm.
Said many coaxial lines are more than 4.
Described many coaxial lines are 5.
The radio frequency coaxial-cable of the utility model, simple in structure, design ingenious; Cable smooth surface, consolidation and rounding, steady quality, compliance with environmental protection requirements; Have low smoke and zero halogen and fire resistance; Be applicable to mainly in the communication system machine room to connect between the transmission equipment that the operating frequency range 1MHZ～20MHZ of cable can produce good economic benefits and social effect.
Description of drawings
Fig. 1 is the structural representation of radio frequency coaxial-cable.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further explanation.
As shown in Figure 1, radio frequency coaxial-cable comprises many coaxial lines 1 and polypropylene tearing rope 3 by polyester belt 2 parcels; Be provided with oversheath 4 at polyester belt 2 skins; Coaxial line 1 is provided with flame-proof polyvinyl chloride restrictive coating 5, copper wire braid 6, insulating barrier 7 and copper wire conductor 8 from outside to inside successively, and the diameter of copper wire conductor 8 is 0.31 ~ 0.87mm.Many coaxial line 1 is more than 4, is preferably 5.Insulating barrier 7 is real core polyethylene insulation or polyethylene foamed insulation.
This radio frequency coaxial-cable, copper wire conductor have several kinds of specifications of 0.31～0.87mm as requested, and crowded insulation has two kinds, when real core polyethylene is extruded; 200 ° of plastic extruding machine temperature adjustment, high density polyethylene (HDPE) mixes with low density polyethylene (LDPE) and carries out inflated with nitrogen generation physical reactions, formation polyethylene foamed during foamed insulation; Count extrudes sheath because of adopting flame-proof PVC greater than 90%, and temperature is adjusted at 175 °; Cable smooth surface when extruding, consolidation, rounding.
This radio frequency coaxial-cable, simple in structure, design ingenious; Mainly be applicable in the communication system machine room and connect the operating frequency range 1MHZ～20MHZ of cable, cable smooth surface, consolidation and rounding between the transmission equipment; Steady quality; Compliance with environmental protection requirements has low smoke and zero halogen and fire resistance, can produce good economic benefits and social effect.
Claims (3)
1. a radio frequency coaxial-cable is characterized in that: comprise many coaxial lines (1) and polypropylene tearing rope (3) by polyester belt (2) parcel; Be provided with oversheath (4) at polyester belt (2) skin; Described coaxial line (1) is provided with flame-proof polyvinyl chloride restrictive coating, copper wire braid, insulating barrier and copper wire conductor from outside to inside successively; The diameter of described copper wire conductor is 0.31 ~ 0.87mm.
2. radio frequency coaxial-cable according to claim 1 is characterized in that: said many coaxial lines (1) are more than 4.
3. radio frequency coaxial-cable according to claim 1 is characterized in that: described many coaxial lines (1) are 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220286057 CN202633485U (en) | 2012-06-18 | 2012-06-18 | RF coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220286057 CN202633485U (en) | 2012-06-18 | 2012-06-18 | RF coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202633485U true CN202633485U (en) | 2012-12-26 |
Family
ID=47386638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220286057 Expired - Lifetime CN202633485U (en) | 2012-06-18 | 2012-06-18 | RF coaxial cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202633485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11152138B2 (en) | 2017-09-08 | 2021-10-19 | Nokia Shanghai Bell Co., Ltd. | Fire rated radio frequency cable |
-
2012
- 2012-06-18 CN CN 201220286057 patent/CN202633485U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11152138B2 (en) | 2017-09-08 | 2021-10-19 | Nokia Shanghai Bell Co., Ltd. | Fire rated radio frequency cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |
|
| CX01 | Expiry of patent term |