CN108933312A - Coaxial cable and preparation method thereof - Google Patents
Coaxial cable and preparation method thereof Download PDFInfo
- Publication number
- CN108933312A CN108933312A CN201710391524.1A CN201710391524A CN108933312A CN 108933312 A CN108933312 A CN 108933312A CN 201710391524 A CN201710391524 A CN 201710391524A CN 108933312 A CN108933312 A CN 108933312A
- Authority
- CN
- China
- Prior art keywords
- coaxial cable
- conductor
- inner conductor
- outside
- coated
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/02—Waveguides; Transmission lines of the waveguide type with two longitudinal conductors
- H01P3/06—Coaxial lines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
- H01P11/001—Manufacturing waveguides or transmission lines of the waveguide type
- H01P11/005—Manufacturing coaxial lines
Abstract
The present invention provides a kind of coaxial cable, the inner conductor being arranged in the same direction including two and a protection component being coated on the outside of the inner conductor, the protection component includes two insulating layers respectively corresponded with the inner conductor, two outer conductors for corresponding respectively to the insulating layer and an outer jacket, each insulating layer is coated on the outside of the corresponding inner conductor, each outer conductor is coated on the outside of the corresponding insulator, described two outer conductors are arranged in the same direction, described two outer conductor outer covers are equipped with outer jacket, the outer jacket forms a figure of eight protection structure after being wrapped on the outside of described two outer conductors.The present invention can overcome the decline of channel, improve the transmission rate of system so as to improve the radio communication quality of the personnel dense region such as bus station, railway station.The invention also includes production methods simultaneously.
Description
Technical field
The present invention relates to the communications fields more particularly to a kind of coaxial cable and preparation method thereof.
Background technique
Coaxial cable is a kind of opening transmission yarn for radiocommunication signals transmission.Network system is general at present
Laying is carried out using single coaxial cable or antenna is set up, pole is protected from environmental, and is easily bent when being laid with, damage electricity
The transmission of cable structure prevention signal.At work, it due to the limitation of channel capacity, sends and receives signal and is suppressed, so that
Signal is obstructed to decline in places such as the large parking lots such as densely populated place, tunnel, railway stations receives and dispatches difficulty, sometimes often will appear
Phenomena such as system decline, network busy suspension, difficulty is brought to the normal life, study, office of people.
Summary of the invention
In view of this, it is necessary to provide the coaxial cables that one kind can solve densely populated place region signal decline wild effect
And preparation method thereof.
The present invention provides a kind of coaxial cable, and the inner conductor being arranged in the same direction including two and one are coated on the inner conductor
The protection component in outside, the protection component include two and respectively correspond and respectively correspond with the insulating layer of the inner conductor, two
In the outer conductor of the insulating layer and an outer jacket, each insulating layer is coated on the outside of the corresponding inner conductor, often
One outer conductor is coated on the outside of the corresponding insulator, and described two outer conductors are arranged in the same direction, described two outer conductors
Outer cover is equipped with outer jacket, and the outer jacket forms a figure of eight protection structure after being wrapped on the outside of described two outer conductors.
Further, the inner conductor is oxygen-free copper inner conductor or copper clad aluminum inner conductor.
Further, the insulating layer is polyethylene foam insulation.
Further, the gas for the foaming agent foam release that the insulating layer uses is carbon dioxide or nitrogen.
Further, the outer conductor material is copper.
Further, the outer conductor offers uniform slot.
Further, the outer conductor is constituted using the copper strips longitudinal wrap for being provided with slot.
Further, the outer jacket squeezes shield using halogen-free low-smoke flame retardant material and is made.
The present invention also provides a kind of production method using coaxial cable described in above-mentioned any one, the coaxial cables
Method include：
Make inner conductor；
Insulating layer is coated on inner conductor surface, forms foaming cable core；
Make outer conductor；
Outer conductor is coated on the outside of foaming cable core；
Outer jacket is coated on the outside of outer conductor, figure of eight outer jacket structure is formed.
Further, the outer conductor is using the cable core that foams described in two parallel longitudinal chartered plane longitudinal wraps.
Further, the outer jacket is made through two parallel sizing dies and " 8 " word jacket mould extrusion molding.
The present invention uses figure of eight outer jacket, had not only been able to satisfy normal signal and has sent and received, but also can not increase frequency spectrum money
In the case where source and antenna transmission power, system channel capacity is promoted at double, is realized multiple-input multiple-output, can significantly be overcome letter
The decline in road reduces the bit error rate.The transmission rate of raising system is so as to improve radio communication quality.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the invention standard coaxial cable.
Fig. 2 is the flow diagram of one embodiment of the invention standard coaxial cable production method.
Main element symbol description
| Coaxial cable | 100 |
| Inner conductor | 10 |
| Protect component | 20 |
| Insulating layer | 21 |
| Outer conductor | 22 |
| Outer jacket | 23 |
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is the cross-sectional view of the coaxial cable 100 of embodiment of the present invention, the coaxial cable 100 is used
In electromagnetic transmission.The coaxial cable 100 includes at least two inner conductors 10 and a protection component 20, the protection component
20 are coated on 10 outside of inner conductor, for protecting the inner conductor 10, make the inner conductor 10 not by damage and corruption
Erosion etc., it is described that component 20 is protected to be also used to protect 10 signal of the inner conductor transmission not by external interference.
The protection component 20 includes that two insulating layer 21, two for corresponding respectively to the inner conductor 10 correspond respectively to
The outer conductor 22 of the insulating layer 21 and an outer jacket 23, each insulating layer 21 are coated on the corresponding inner conductor
10 outsides, each outer conductor 22 are coated on corresponding 21 outside of the insulating layer, and the outer jacket 23 is set to described two
A 22 outside of outer conductor, described two outer conductors 22 are wrapped in the outer jacket 23.It is described two outer in present embodiment
Conductor 22 is arranged in the same direction, after the outer jacket 23 is wrapped in two 22 outsides of outer conductor, forms a figure of eight protection knot
Structure.The outer jacket 23 is made up of jacket mould extrusion molding.
The inner conductor 10 is made of an electrically conducting material, and is transmitted for power transmission or signal.In described in present embodiment
Conductor 10 is oxygen-free copper inner conductor or copper clad aluminum inner conductor.
It should be understood that the material of the inner conductor 10 is not limited to oxygen-free copper copper or copper clad aluminum.
The insulating layer 21 is the polyethylene foam insulation extruded using foaming agent foam, has uniform sealed porosity
Arrangement.
It should be understood that the gas for the foaming agent foam release that the insulating layer 21 uses is not limited to carbon dioxide or nitrogen
Gas.
In present embodiment, the outer conductor 22 is the copper strips for being longitudinally coated on 21 outside of insulating layer, described to lead outside
Grooved hole (figure is not shown) is formed on body 22, the slot can be spaced a predetermined distance or be formed predetermined row according to actual demand
Cloth form, for example, uniform intervals setting, multiple slots be one group and with other slot pitch preset distances setting etc..The slot
The electromagnetic wave outside transmission or external electromagnetic wave that hole allows to transmit in the coaxial cable 100 are transferred into the coaxial cable
100, have the characteristics that the coaxial cable 100 of the slot has radiation direction concentration, field strength uniform.
The outer jacket 23 is made of halogen-free low-smoke flame retardant material extrusion molding, superior flame retardant property, and cigarette is very few when burning, tool
There is safety precaution effect.
It should be understood that 23 material of outer jacket includes, but are not limited to halogen-free low-smoke flame retardant material.
Referring to Fig. 2, Fig. 2 is the flow diagram of coaxial cable production method of the present invention.The present invention also provides a kind of systems
The method for making above-mentioned coaxial cable, includes the following steps：
S21 makes inner conductor.Specifically, conductive material is straightened on coalignment by drawing, forms inner conductor,
Internal conductor material described in present embodiment is oxygen-free copper or copper clad aluminum.
Insulating layer is coated on inner conductor surface by S22.Specifically, polyethylene foam insulating materials packet foaming extruded
Overlay on inner conductor surface and form insulating layer, form foaming cable core, the gas that foaming agent foam that the insulating layer uses discharges for
Carbon dioxide or nitrogen.
S23 makes outer conductor.Specifically, production forms copper strips, and slot, present embodiment are formed on the copper strips
In, slot is gone out on the copper strips using punching machine, further, the slot is the slot being formed uniformly on the copper strips
Hole.
Outer conductor is coated on the outside of the foaming cable core by S24.Specifically, outer conductor copper strips is used into two parallel longitudinal wraps
Machine is longitudinally coated on two foaming cable core surfaces.
Outer jacket is coated on the outside of the outer conductor by S25, forms figure of eight outer jacket structure.Specifically, two are indulged
Packet foaming cable core imports figure of eight jacket mould extrusion molding through two parallel sizing dies and outer jacket is made, and the outer sheath material is
Halogen-free low-smoke flame retardant material.
The present invention has the coaxial cable 100 not by channel and transmits and receives signal by figure of eight jacket mould
Limitation, multiple-input multiple-output still may be implemented in densely populated place area, reduce the weak rate of signal, improve the function of communication quality
Energy.The coaxial cable capacity of the method for coaxial cable of the invention, production is higher and production operation is simple.
Those skilled in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as being made in spirit of the invention to embodiment of above
It is appropriate change and variation all fall in the interior of the scope of protection of present invention.
Claims (11)
1. a kind of coaxial cable, it is characterised in that：The inner conductor being arranged in the same direction including two and one are coated on the inner conductor
The protection component in outside, the protection component include two and respectively correspond and respectively correspond with the insulating layer of the inner conductor, two
In the outer conductor of the insulating layer and an outer jacket, each insulating layer is coated on the outside of the corresponding inner conductor, often
One outer conductor is coated on the outside of the corresponding insulator, and described two outer conductors are arranged in the same direction, described two outer conductors
Outer cover is equipped with outer jacket, and the outer jacket forms a figure of eight protection structure after being wrapped on the outside of described two outer conductors.
2. coaxial cable as described in claim 1, it is characterised in that：The inner conductor is in oxygen-free copper inner conductor or copper clad aluminum
Conductor.
3. coaxial cable as described in claim 1, it is characterised in that：The insulating layer is polyethylene foam insulation.
4. coaxial cable as described in claim 1, it is characterised in that：The gas for the foaming agent foam release that the insulating layer uses
Body is carbon dioxide or nitrogen.
5. coaxial cable as described in claim 1, it is characterised in that：The outer conductor material is copper.
6. coaxial cable as described in claim 1, it is characterised in that：The outer conductor offers uniform slot.
7. coaxial cable as claimed in claim 6, it is characterised in that：The outer conductor is using the copper strips longitudinal wrap structure for being provided with slot
At.
8. coaxial cable as described in claim 1, it is characterised in that：The outer jacket squeezes shield using halogen-free low-smoke flame retardant material
It is made.
9. a kind of production method using coaxial cable described in claim 1-8 any one, the method packet of the coaxial cable
It includes；
Make inner conductor；
Insulating layer is coated on inner conductor surface, forms foaming cable core；
Make outer conductor；
Outer conductor is coated on the outside of foaming cable core；
Outer jacket is coated on the outside of outer conductor, figure of eight outer jacket structure is formed.
10. the production method of coaxial cable as claimed in claim 9, it is characterised in that：The outer conductor uses two parallel longitudinals
Foam cable core described in chartered plane longitudinal wrap.
11. the production method of coaxial cable as claimed in claim 9, it is characterised in that：The outer jacket is through two parallel sizings
Mold and " 8 " word jacket mould extrusion molding are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391524.1A CN108933312A (en) | 2017-05-27 | 2017-05-27 | Coaxial cable and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391524.1A CN108933312A (en) | 2017-05-27 | 2017-05-27 | Coaxial cable and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108933312A true CN108933312A (en) | 2018-12-04 |
Family
ID=64450719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710391524.1A Pending CN108933312A (en) | 2017-05-27 | 2017-05-27 | Coaxial cable and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108933312A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114696104A (en) * | 2020-12-31 | 2022-07-01 | 江苏俊知技术有限公司 | Leaky coaxial cable assembly suitable for 5G communication and manufacturing method thereof |
| CN114696102A (en) * | 2020-12-31 | 2022-07-01 | 江苏俊知技术有限公司 | Parallel leaky coaxial cable assembly and method for manufacturing same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005286812A (en) * | 2004-03-30 | 2005-10-13 | Showa Electric Wire & Cable Co Ltd | Composite leakage coaxial cable for wireless lan |
| CN101404350A (en) * | 2008-11-14 | 2009-04-08 | 中天日立射频电缆有限公司 | Broad band radiation type leak coaxial cable for subway and its production method |
| CN105913944A (en) * | 2016-06-24 | 2016-08-31 | 安徽宜德电子有限公司 | Water-blocking coaxial cable with power line |
-
2017
- 2017-05-27 CN CN201710391524.1A patent/CN108933312A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005286812A (en) * | 2004-03-30 | 2005-10-13 | Showa Electric Wire & Cable Co Ltd | Composite leakage coaxial cable for wireless lan |
| CN101404350A (en) * | 2008-11-14 | 2009-04-08 | 中天日立射频电缆有限公司 | Broad band radiation type leak coaxial cable for subway and its production method |
| CN105913944A (en) * | 2016-06-24 | 2016-08-31 | 安徽宜德电子有限公司 | Water-blocking coaxial cable with power line |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114696104A (en) * | 2020-12-31 | 2022-07-01 | 江苏俊知技术有限公司 | Leaky coaxial cable assembly suitable for 5G communication and manufacturing method thereof |
| CN114696102A (en) * | 2020-12-31 | 2022-07-01 | 江苏俊知技术有限公司 | Parallel leaky coaxial cable assembly and method for manufacturing same |
| CN114696102B (en) * | 2020-12-31 | 2024-03-12 | 江苏俊知技术有限公司 | Parallel leaky coaxial cable assembly and manufacturing method thereof |
| CN114696104B (en) * | 2020-12-31 | 2024-03-26 | 江苏俊知技术有限公司 | Leaky coaxial cable assembly suitable for 5G communication and manufacturing method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181204 |