CN204760128U - Half gentle coaxial cable of low -loss - Google Patents
Half gentle coaxial cable of low -loss Download PDFInfo
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- CN204760128U CN204760128U CN201520407822.1U CN201520407822U CN204760128U CN 204760128 U CN204760128 U CN 204760128U CN 201520407822 U CN201520407822 U CN 201520407822U CN 204760128 U CN204760128 U CN 204760128U
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- insulating layer
- high temperature
- vertical hole
- coaxial cable
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Abstract
The utility model discloses a half gentle coaxial cable of low -loss by interior and be equipped with conductor, woven shield and oversheath outward, being equipped with between conductor and woven shield and indulging hole high temperature insulating layer, indulges hole high temperature insulating layer and is wrapping up the conductor, indulges hole high temperature insulating layer and opens to have vertical hole to make on the PTFE high temperature insulation material, is equipped with the tin layer outside woven shield. The utility model discloses being equipped with between conductor and woven shield and indulging hole high temperature insulating layer, indulge hole high temperature insulating layer and open to have vertical hole to make on the PTFE high temperature insulation material, compare the polytetrafluoroethylene micropore composite insulation layer in the background art, the adoption is indulged the insulating back cable echo index in hole and is improved greatly, cable alternating bending, and its performance can not change yet, can also improve the life of cable, in addition, each item performance index of this cable compares with specification high temperature coaxial cable with of the same kind, and decay reduction range is greater than 25%, is applicable to aviation or other to cable performance requirement high temperature occasion strict very much.
Description
Technical field
The utility model relates to coaxial cable technology field, is specifically related to a kind of low-loss semi-flexible coaxial cable.
Background technology
In the communications field, often use coaxial cable and carry out transmission of electric signals, coaxial cable be mainly used as the feeder of radio transmission and receiving equipment and variously to communicate, the machine interior lines line of electronic equipment and be interconnected line.In today of high speed information development, the information transfer demands of high-frequency, Large Copacity, two-forty it is also proposed higher requirement to the information transmission medium telecommunication cable between communication equipment, and high temperature resistant, low-loss, fire-retardant, high shielding properties have become the key technical index of development coaxial cable.The high-end telecommunication cable product of the low decay of exploitation HF communication, low-voltage standing-wave ratio, the steady phase performance of height is a Main way of current research of technique, and in construction of cable influencing factor, the characteristic of insulating material plays vital effect.
In China Patent No. be: 201410593336.3, patent name is: a kind of high temperature resistant low-loss compound inslation coaxial cable, this patent carries out the filling-modified method of physical blending by introducing ultralow dielectric nano porous cage-type silsesquioxane (POSS) in Teflom Insulation Material, reduce the dielectric constant of cable insulation, improve the porosity of cable insulation, improve cable insulation mechanical performance, creep resistance, the deficiencies such as processing difficulties, Simplified flowsheet difficulty, enhance productivity, improving product qualification rate, increase the combination property of cable.But exist not enough as follows: one, by introducing nano-particles filled modification, adopt and push stretching sintering process formation microporous insulation structure, although improve cable electrical performance, to ordinary enterprises, still there is certain difficulty in its production technology; Two, cable adopts micropore composite insulation layer, and the indices of radar of cable is not very high and cable alternating bending, and its performance can change to some extent, and reduces the useful life of cable.
Utility model content
The purpose of this utility model is: for the above-mentioned technical problem existed in prior art, provides a kind of low-loss semi-flexible coaxial cable.
The utility model is achieved through the following technical solutions:
A kind of low-loss semi-flexible coaxial cable, be provided with conductor, woven shield and oversheath from inside to outside, vertical hole high-temperature insulating layer is provided with between described conductor and woven shield, described vertical hole high-temperature insulating layer is wrapped in conductor, described vertical hole high-temperature insulating layer on PTFE high temperature insulating material, has vertical hole make, outside described woven shield, be provided with tin layers.
As preferably, described conductor adopts silver-gilt copper wire.
As preferably, described oversheath adopts polytetrafluoroethyl-ne propylene material or low-smoke halogen-free material or PVC material to make.
As preferably, the vertical hole on the high-temperature insulating layer of described vertical hole adopts equidistant setting.
As preferably, the total sectional area in described vertical hole accounts for 28% ~ 32% of vertical hole high-temperature insulating layer sectional area.
As preferably, described woven shield adopts tinned copper wire braiding to form, and count reaches 98% ~ 99%.
As preferably, it is outer or be immersed in tin liquor by woven shield and make that described tin layers adopts tin to be plated in woven shield.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
1, compared with prior art, the utility model is provided with vertical hole high-temperature insulating layer between conductor and woven shield, vertical hole high-temperature insulating layer on PTFE high temperature insulating material, has vertical hole make, compare the polytetrafluoroethylene micropore composite insulation layer in background technology, after adopting the insulation of vertical hole, cable echo index improves greatly, cable alternating bending, its performance also can not change, and can also improve the useful life of cable simultaneously.
2, the utility model is provided with tin layers in the outside of woven shield, shield effectiveness can be improved well, in addition, the property indices of this cable is compared with similar same specification high-temperature coaxial cable, decay reduction amplitude is greater than 25%, is applicable to aviation or other is to the strict especially high temperature occasion of cable performance requirement.
Accompanying drawing explanation
The utility model illustrates by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is structural representation of the present utility model;
Mark in figure: 1-conductor, 2-vertical hole high-temperature insulating layer, 3-tin layers, 4-woven shield, 5-polytetrafluoroethyl-ne propylene oversheath.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figure 1, a kind of low-loss semi-flexible coaxial cable, be provided with conductor 1, woven shield 4 and oversheath from inside to outside, conductor 1 adopts that silver-gilt copper wire is stranded to be formed, described woven shield 4 adopts tinned copper wire to weave and forms, and count reaches about 98%, and described oversheath adopts polytetrafluoroethyl-ne propylene material or low-smoke halogen-free material or PVC material to make, wherein, the oversheath of the present embodiment adopts polytetrafluoroethyl-ne propylene oversheath 5.
Vertical hole high-temperature insulating layer 2 is provided with between described conductor 1 and woven shield 4, described vertical hole high-temperature insulating layer 2 is wrapped in conductor 1, described vertical hole high-temperature insulating layer 2 on PTFE high temperature insulating material, has vertical hole make, wherein, vertical hole on vertical hole high-temperature insulating layer 2 in the present embodiment adopts equidistant setting, and vertical hole is set to 6, the total sectional area in vertical hole accounts for 28% ~ 32% of vertical hole high-temperature insulating layer 2 sectional area.Outside described woven shield 4, be provided with tin layers 3, described tin layers 3 adopts tin to be plated in outside woven shield 4 or to be immersed in tin liquor by woven shield 4 and makes.
The utility model structure is simple, is easy to realize, and PTFE high temperature insulating material adopts vertical hole technology, makes the overall performance of cable obtain obvious lifting, and improve the useful life of cable.
Above-described specific embodiment, further describes the purpose of this utility model, technical scheme and beneficial effect, and institute it should be understood that and the foregoing is only specific embodiment of the utility model, is not limited to the utility model.The utility model expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (7)
1.
a kind of low-loss semi-flexible coaxial cable, it is characterized in that, be provided with conductor, woven shield and oversheath from inside to outside, vertical hole high-temperature insulating layer is provided with between described conductor and woven shield, described vertical hole high-temperature insulating layer is wrapped in conductor, described vertical hole high-temperature insulating layer on PTFE high temperature insulating material, has vertical hole make, outside described woven shield, be provided with tin layers.
2.
low-loss semi-flexible coaxial cable according to claim 1, is characterized in that, described conductor adopts silver-gilt copper wire.
3.
low-loss semi-flexible coaxial cable according to claim 1, is characterized in that, described oversheath adopts polytetrafluoroethyl-ne propylene material or low-smoke halogen-free material or PVC material to make.
4.
low-loss semi-flexible coaxial cable according to claim 1, is characterized in that, the vertical hole on the high-temperature insulating layer of described vertical hole adopts equidistant setting.
5.
low-loss semi-flexible coaxial cable according to claim 1 or 4, is characterized in that, the total sectional area in described vertical hole accounts for 28% ~ 32% of vertical hole high-temperature insulating layer sectional area.
6.
low-loss semi-flexible coaxial cable according to claim 1, is characterized in that, described woven shield adopts tinned copper wire braiding to form, and count reaches 98% ~ 99%.
7.
low-loss semi-flexible coaxial cable according to claim 1, is characterized in that, described tin layers adopts tin to be plated in outside woven shield or to be immersed in tin liquor by woven shield and makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520407822.1U CN204760128U (en) | 2015-06-15 | 2015-06-15 | Half gentle coaxial cable of low -loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520407822.1U CN204760128U (en) | 2015-06-15 | 2015-06-15 | Half gentle coaxial cable of low -loss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204760128U true CN204760128U (en) | 2015-11-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520407822.1U Expired - Fee Related CN204760128U (en) | 2015-06-15 | 2015-06-15 | Half gentle coaxial cable of low -loss |
Country Status (1)
| Country | Link |
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| CN (1) | CN204760128U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123472A (en) * | 2017-05-04 | 2017-09-01 | 江苏亨鑫科技有限公司 | High temperature-resistant cable for mobile base station |
| CN108847302A (en) * | 2018-06-22 | 2018-11-20 | 江苏艾力升电缆有限公司 | A kind of coaxial cable with low-loss shielded layer |
-
2015
- 2015-06-15 CN CN201520407822.1U patent/CN204760128U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123472A (en) * | 2017-05-04 | 2017-09-01 | 江苏亨鑫科技有限公司 | High temperature-resistant cable for mobile base station |
| WO2018201659A1 (en) * | 2017-05-04 | 2018-11-08 | 江苏亨鑫科技有限公司 | High temperature-resistant cable for mobile base station |
| CN108847302A (en) * | 2018-06-22 | 2018-11-20 | 江苏艾力升电缆有限公司 | A kind of coaxial cable with low-loss shielded layer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20210615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |