CN207338016U - A kind of low loss and high strength coaxial cable - Google Patents
A kind of low loss and high strength coaxial cable Download PDFInfo
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- CN207338016U CN207338016U CN201721309370.9U CN201721309370U CN207338016U CN 207338016 U CN207338016 U CN 207338016U CN 201721309370 U CN201721309370 U CN 201721309370U CN 207338016 U CN207338016 U CN 207338016U
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- layer
- insulating foam
- heat dissipating
- insulating
- coaxial cable
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Abstract
A kind of low loss and high strength coaxial cable, includes inner wire, insulating layer, outer conductor and sheath successively from inside to outside.Insulating layer includes interior thin layer, heat dissipating layer, insulating foam layer successively from inside to outside, and reinforcing layer is further included inside insulating foam layer.Heat dissipating layer is designs and connects interior thin layer and the engraved structure of insulating foam layer around interior thin layer surface.Reinforcing layer is Embedded cylindrical structure, and each cylinder and adjacent column are tangent, and circumferentially array is arranged in insulating foam layer the cylindrical structure.Reinforcing layer is basalt fiber composite material interstitital texture.For the cylindrical cross-section diameter of reinforcing layer between 0.2 ~ 0.3mm, the center of each cylinder and insulating foam layer are outer peripheral apart from identical and between 0.15 ~ 0.2mm.Insulation foaming layer thickness is between 0.3 ~ 0.4mm.The layer thickness that radiates is between 0.3 ~ 0.4.The hollow out rate of heat dissipating layer is between 60% ~ 75%.The utility model optimizes the construction of cable, the characteristics of making coaxial cable be provided simultaneously with low-loss, high intensity, high security, compensate for the deficiencies in the prior art.
Description
Technical field
It the utility model is related to field of cables, more particularly to a kind of structure of low loss and high strength coaxial cable.
Background technology
Coaxial cable is the multimedia transmission instrument of a kind of broadband, high-speed, because of its strong antijamming capability, shielding properties
Good, transmission data stabilization, and can be used without being connected on hub or switch, and it is widely used in equipment
Stent line, closed-circuit television (CCTV), community antenna system (MATV) and colored or monochrome Radio Frequency Surveillance device transfer, or
Apply in bus-network topology.
With the development of science and technology electronic communication equipment, radio communications system etc. are developed rapidly, to coaxial cable
It is required that it is higher and higher, for example require in signals transmission, it is desirable to coaxial cable has the characteristics that low-loss, phase stabilization；
During cable construction, it is desirable to which coaxial cable has the characteristics that intensity height, good toughness, tension resistance；In use,
Shaft cable of seeking common ground has the characteristics that good heat dissipation, safe.
At present to the improvement of coaxial cable, otherwise the intensity of cable is also reduced while being and reduce loss, otherwise it is to carry
Loss is improved again while high intensity, it is impossible to while meet the needs of low loss and high strength.
Utility model content
The purpose of this utility model is to provide a kind of low loss and high strength coaxial cable, and with being lost, low, intensity is high, safety
The characteristics of performance is good.
To achieve these goals, the utility model is to be achieved through the following technical solutions：
A kind of low loss and high strength coaxial cable, includes inner wire, insulating layer, outer conductor and sheath successively from inside to outside.
The insulating layer includes interior thin layer, heat dissipating layer, insulating foam layer successively from inside to outside, further includes and adds inside the insulating foam layer
Gu layer.
Further, the outer conductor is overall wicking double-level-metal braiding layer.
Further, the interior thin layer is tightly wrapped up to add the linear low density of polyethylene material of stabilizer by extrusion molding
Formed in the conductor, its thickness is 0.1mm.
Further, the heat dissipating layer is designs and connects interior thin layer and the hollow out knot of insulating foam layer around interior thin layer surface
Structure, its hollow hole transverse cross-sectional is square, triangle or arc-shaped.
Further, the reinforcing layer is Embedded cylindrical structure, and each cylinder and adjacent column are tangent, the cylindrical structure
Circumferentially array is arranged in insulating foam layer.
Further, the insulating foam layer is to be foamed the insulating layer to be formed using physical blowing principle.
Further, the non-hollow-out part of the heat dissipating layer is identical with the material of insulating foam layer.
Further, the reinforcing layer is basalt fiber composite material interstitital texture.
Further, the cylindrical cross-section diameter of the reinforcing layer is between 0.2 ~ 0.3mm, the center of each cylinder and insulation foaming
Layer is outer peripheral apart from identical and between 0.15 ~ 0.2mm.
Further, the insulation foaming layer thickness is between 0.3 ~ 0.4mm.
Further, the heat dissipation layer thickness is between 0.3 ~ 0.4mm.
Further, the hollow out rate of the heat dissipating layer is between 60% ~ 75%.
The beneficial effects of the utility model are：
1st, interior thin layer is tightly wrapped in inner wire to add the linear low density of polyethylene material of stabilizer by extrusion molding
Upper formation, the structure not only increase the stability of cable, also reduce the distance of heat dissipating layer hollow hole and inner wire, so that
Heat dissipating layer reaches preferable heat dissipation effect.
2nd, heat dissipating layer is to be designed around interior thin layer surface, and its hollow out rate has not only reached preferable dissipate between 60% ~ 75%
Thermal effect, improves cable security, and the air of hollow hole instead of portions of insulating material, so as to reduce insulating layer
Relative dielectric constant, is reduced the loss of coaxial cable.
3rd, by making full use of basalt fiber composite material excellent in insulating foam layer indoor design reinforcing layer, reinforcing layer
Mechanical and physical performance and cylinder by the stronger feature of stress during uniformly distributed radial compression applied, compensate for because of heat dissipating layer hollow hole
Design caused by cable integral strength, torsion resistance resistant to bending reduce deficiency so that cable has been provided simultaneously with low-loss, height
The characteristics of intensity, high security.
Brief description of the drawings
Fig. 1 is the utility model transverse cross-sectional structure diagram.
Wherein, 1- inner wires, 2- insulating layers, 3- outer conductors, 4- sheaths, 21- interior thin layers, 22- heat dissipating layers, 23- insulation hairs
Alveolar layer, 24- reinforcing layers.
Embodiment
As shown in Figure 1, a kind of low loss and high strength coaxial cable, include inner wire 1, insulating layer 2, outer successively from inside to outside
Conductor 3 and sheath 4.The insulating layer 2 includes interior thin layer 21, heat dissipating layer 22, insulating foam layer 23 successively from inside to outside, described exhausted
Reinforcing layer 24 is further included inside edge foaming layer 23.
The outer conductor 3 is overall wicking double-level-metal braiding layer, preferred copper-wire braided layer in the present embodiment, its conductivity
Height, cost are low.
The interior thin layer 21 is tightly wrapped in interior for the linear low density of polyethylene material of addition stabilizer by extrusion molding
Being formed on conductor 1, in the present embodiment, interior thin layer 21 is preferably added to the linear low density of polyethylene extrusion molding layer of ultra-violet absorber,
With good humidity resistance；21 thickness of interior thin layer is 0.1mm, reduce 22 hollow hole of heat dissipating layer and inner wire 1 away from
From so that heat dissipating layer 22 reaches preferable heat dissipation effect.
The heat dissipating layer 22 is designs and connects interior thin layer 21 and the hollow out knot of insulating foam layer 23 around 21 surface of interior thin layer
Structure, the hollow out rate of heat dissipating layer 22 is between 60% ~ 75%, preferably 75% in the present embodiment.The present embodiment is not especially to heat dissipating layer 22
The transverse cross-sectional shape of hollow hole makes restriction, in the case where understanding the utility model thinking, which type of specific shape, and
Without involving an inventive effort.
The reinforcing layer 24 is Embedded cylindrical structure, and each cylinder and adjacent column are tangent, and the cylindrical structure is in circle
All array is arranged in insulating foam layer 23.
The cylindrical cross-section diameter of the reinforcing layer 24 is between 0.2 ~ 0.3mm, center and the insulating foam layer 23 of each cylinder
It is outer peripheral apart from identical, the center of each cylinder and 23 outer peripheral distance of insulating foam layer are between 0.15 ~ 0.2mm.This reality
Apply in example, preferably a diameter of 0.3mm of cylindrical cross-section, center and the 23 outer peripheral distance of insulating foam layer of each cylinder are 0.2mm.
The insulating foam layer 23 is to be foamed the insulating layer to be formed using physical blowing principle.
The non-hollow-out part of the heat dissipating layer 22 is identical with the material of insulating foam layer.
The reinforcing layer 24 is basalt fiber composite material interstitital texture.
23 thickness of insulating foam layer is between 0.3 ~ 0.4mm, and 22 thickness of heat dissipating layer is between 0.3 ~ 0.4mm.
In the present embodiment, preferably 23 thickness of insulating foam layer is 0.4mm, and 22 thickness of heat dissipating layer is 0.4mm.
The advantage of present embodiment is：
By improving the structure of coaxial cable, especially the structure of insulating layer is improved, using in insulation layer segment from interior
Coaxial interior thin layer, heat dissipating layer, insulating foam layer and in insulating foam layer indoor design reinforcing layer are outwards designed successively, make electricity
Cable not only meets low-loss demand, it is ensured that the intensity and security of cable, make cable bent, distort etc. compared with
It is unlikely to deform or even damages when exerting a force outside big, so as to influences the return loss in its signals transmission.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (4)
1. a kind of low loss and high strength coaxial cable, includes inner wire successively from inside to outside（1）, insulating layer（2）, outer conductor（3）
And sheath（4）, it is characterised in that the insulating layer（2）Include interior thin layer successively from inside to outside（21）, heat dissipating layer（22）, insulation
Foaming layer（23）, the insulating foam layer（23）Inside further includes reinforcing layer（24）, the heat dissipating layer（22）For around interior thin layer
（21）Design and connect interior thin layer in surface（21）And insulating foam layer（23）Engraved structure, the reinforcing layer（24）To be embedded
Cylindrical structure, each cylinder and adjacent column are tangent, and circumferentially array is arranged in insulating foam layer to the cylindrical structure（23）
It is interior.
A kind of 2. low loss and high strength coaxial cable according to claim 1, it is characterised in that the reinforcing layer（24）For
Basalt fiber composite material interstitital texture.
A kind of 3. low loss and high strength coaxial cable according to claim 1, it is characterised in that the reinforcing layer（24）'s
Cylindrical cross-section diameter is between 0.2 ~ 0.3mm, the center of each cylinder and insulating foam layer（23）It is outer peripheral apart from it is identical and
Between 0.15 ~ 0.2mm；The insulating foam layer（23）Thickness is between 0.3 ~ 0.4mm；The heat dissipating layer（22）Thickness 0.3 ~
Between 0.4mm.
A kind of 4. low loss and high strength coaxial cable according to claim 1, it is characterised in that the heat dissipating layer（22）'s
Hollow out rate is between 60% ~ 75%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721309370.9U CN207338016U (en) | 2017-10-12 | 2017-10-12 | A kind of low loss and high strength coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721309370.9U CN207338016U (en) | 2017-10-12 | 2017-10-12 | A kind of low loss and high strength coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207338016U true CN207338016U (en) | 2018-05-08 |
Family
ID=62367556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721309370.9U Active CN207338016U (en) | 2017-10-12 | 2017-10-12 | A kind of low loss and high strength coaxial cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207338016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379546A (en) * | 2019-07-13 | 2019-10-25 | 神宇通信科技股份公司 | A kind of insulated conductor that inner conductor is connected to air duct and its production technology |
-
2017
- 2017-10-12 CN CN201721309370.9U patent/CN207338016U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379546A (en) * | 2019-07-13 | 2019-10-25 | 神宇通信科技股份公司 | A kind of insulated conductor that inner conductor is connected to air duct and its production technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 610000 new route 18, high tech Zone (West District), Chengdu, Sichuan Province Patentee after: Chengdu Siwei Technology Co.,Ltd. Address before: No. 18, Xinhang Road, High-tech Zone (West Zone), Chengdu, Sichuan 621000 Patentee before: CHENGDU PUTIAN TELECOMMUNICATIONS CABLE CO.,LTD. |
|
| CP03 | Change of name, title or address |