CN205406691U - Super gentle aluminium outer conductor radio frequency coaxial cable - Google Patents
Super gentle aluminium outer conductor radio frequency coaxial cable Download PDFInfo
- Publication number
- CN205406691U CN205406691U CN201620205012.2U CN201620205012U CN205406691U CN 205406691 U CN205406691 U CN 205406691U CN 201620205012 U CN201620205012 U CN 201620205012U CN 205406691 U CN205406691 U CN 205406691U
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- CN
- China
- Prior art keywords
- outer conductor
- insulating barrier
- coaxial cable
- radio frequency
- frequency coaxial
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- 239000004020 conductor Substances 0.000 title claims abstract description 90
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000004411 aluminium Substances 0.000 title abstract 3
- 230000004888 barrier function Effects 0.000 claims description 67
- 238000003475 lamination Methods 0.000 claims description 43
- 238000001125 extrusion Methods 0.000 claims description 12
- 239000006260 foam Substances 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 12
- 238000005452 bending Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- Communication Cables (AREA)
Abstract
The utility model relates to a super gentle aluminium outer conductor radio frequency coaxial cable belongs to coaxial cable technical field. Super gentle aluminium outer conductor radio frequency coaxial cable, from interior to exterior be in proper order including the inner conductor, insulating layer and the outer conductor that cup joint each other, the inner conductor with coincide mutually in the axle center of outer conductor, be provided with the vacancy space of lining up on the cross section normal direction of inner conductor edge, be provided with support piece in the vacancy space, support piece is for having elastic stem, the insulating layer is spiral winding and is in insulating medium on the inner conductor surface, insulating medium forms insulating layer spiral line, the insulating layer is at least including exposing the portion of exposing of inner conductor surface, the outer conductor parcel is lived the insulating layer is provided with outer conductor spiral line on it. This coaxial cable has the good bendable folding endurance and the low -loss nature of signal concurrently.
Description
Technical field
This utility model relates to coaxial cable technology field, is specifically related to super soft aluminum outer conductor radio frequency coaxial cable.
Background technology
China is manufacturing nation and the demand state of radio frequency coaxial-cable maximum in the world.In recent years, developing rapidly of China Mobile's industry, it is greatly promoted the market demand to radio frequency coaxial-cable.Meanwhile, along with the requirement of signal transmission quality is improved constantly by downstream industry, China is also more and more higher for radio frequency coaxial-cable requirement in softness and low-loss.
Radio frequency coaxial-cable generally comprises inner wire, insulating barrier, outer conductor and sheath, and its softness is by the material of each several part and structures shape thereof.And low-loss depends primarily on foam degrees, owing in insulating barrier, air proportion is more high, its foam degrees is more good, and in cable, the loss of signal is more little.Meanwhile, during cable bend, insulating barrier is difficult to provide enough support, surface wrinkling when causing cable bend, bending section cross section flatten, the alignment of inner wire and outer conductor is destroyed, and will also result in the loss of signal.
Therefore, the development of cable internal structure often gets down to the balance found between bending property and low-loss quality, finds the equilibrium point of the best so that the low-loss quality of the super soft flexible performance of cable pitch and signal.
The Chinese utility model patent that Authorization Notice No. is CN201466188U discloses a kind of super soft radio frequency coaxial-cable, it is characterised in that outer conductor and inner wire have employed spiral corrugated structure.Though this structure can increase the softness of cable, but could not reach low-loss effect.
Utility model content
The purpose of this utility model, is to solve the problems referred to above, it is provided that a kind of super soft flexible and low-loss aluminum outer conductor radio frequency coaxial cable.
The technical scheme that this utility model solves the problems referred to above is as follows:
Super soft aluminum outer conductor radio frequency coaxial cable, include the inner wire of socket, insulating barrier and outer conductor mutually from the inside to the outside successively, the axle center of described inner wire and described outer conductor coincides, described inner wire is provided with through vacant space in cross section normal orientation, being provided with support member in described vacant space, described support member is for having elastic shaft；Described insulating barrier is the dielectric being spirally wound on described inner wire outer surface, and described dielectric forms insulating barrier spiral lamination, and described insulating barrier spiral lamination includes at the bottom of the tooth of described inner wire direction depression；What described insulating barrier at least included exposing described inner wire outer surface exposes portion；Described outer conductor wraps described insulating barrier, is provided with outer conductor spiral lamination, and described outer conductor spiral lamination includes the thread to described insulating barrier projection.
First, the technique effect bent from soft pliable is analyzed, and the present invention is relative to documents: 1. inner wire is built-in with support member, and support member itself is relative to metal inner wire, and it is more flexible, and provides enough supports for cable when bending；2. provide at support member on the basis made, the support requirement of the insulating barrier originally playing part supporting role can be reduced, it is wound on described inner wire with spiricle shape, compression required when relying on the portion of exposing between spiral lamination to provide cable bend and extending space so that cable bend portion not easily wrinkling deformation；3. outer conductor is provided with its effect of outer conductor spiral lamination with above-mentioned insulating barrier spiral lamination, for promoting the flexible performance of described cable.
Secondly, analyze from the low-loss technique effect of signal, the present invention is relative to documents: the support member that 1. inner wire is built-in provides and supports, therefore managing to make do the insulation effect bringing up again the insulating barrier that liter script plays part supporting role, increase exposes portion's (i.e. air) accounting in described insulating barrier as far as possible；2. the portion of exposing of insulating barrier is that the bending section of cable provides compression and the space stretched when bending, it is ensured that the bending section inner wire of cable and the coaxial character of outer conductor are not substantially affected by interference, alleviate the signal loss in cable bend portion；3. outer conductor is provided with its effect of outer conductor spiral lamination with above-mentioned insulating barrier spiral lamination.
In sum, this technical characteristic of support member is that described coaxial cable has flexible performance concurrently and low-loss quality provides technical foundation, on this basis, the spiral lamination structure of insulating barrier and outer conductor improves the bending property of coaxial cable simultaneously and reduces signal loss in transmitting procedure.
Preferred as technique scheme, the precession direction of described outer conductor spiral lamination is in opposite direction with the precession of described insulating barrier spiral lamination, and described outer conductor spiral lamination and described insulating barrier spiral lamination at least exist the strong point.
Owing to outer conductor wraps insulating barrier, so the thread of the insulating barrier spiral salient to the thread of the spiral salient in outer conductor direction and insulator and outer conductor to insulating barrier direction and outer conductor can contact on multiple points, mutually support.
Preferred as technique scheme, the precession direction of described outer conductor spiral lamination is all identical with the precession direction of described insulating barrier spiral lamination and pitch, and described thread is connected at the bottom of described tooth, described thread and there is air layer between at the bottom of described tooth.
The contrary direction of rotation of outer conductor and insulating barrier spiral lamination and wedging position or identical direction of rotation and pitch, it is possible to separate inner wire and outer conductor, increase gap between the two, the effect that interfixes of outer conductor and insulating barrier can also be realized simultaneously.
Consider the dielectric being directly wound on described inner wire with spiral lamination and described inner wire and outer conductor to contact fastness limited, therefore adopt described in thread clamping the structure at the bottom of tooth that it is reinforced.
Preferred as technique scheme, described insulating barrier spiral lamination offers the first anti-extrusion groove along interval, precession direction.
Preferred as technique scheme, described thread offers the second anti-extrusion groove along interval, precession direction.
The first anti-extrusion groove and the second anti-extrusion groove on insulating barrier and outer conductor can expand the gap between outer conductor and inner wire, it is possible to so that cable provides the compression/extension space of crooked position when bending, it is not easy to wrinkling.
Preferred as technique scheme, described in the portion of exposing account for the volume ratio of described insulating barrier more than 80%.
Preferred as technique scheme, described dielectric is foam insulating material.
Preferred as technique scheme, described support member is connected respectively through the first tack coat, the second tack coat and the 3rd tack coat with between described insulating barrier, described insulating barrier and described outer conductor with described inner wire, described inner wire.
Preferred as technique scheme, described support member includes central support shaft and wraps the foamed plastic of described central support shaft.
Preferred as technique scheme, the ratio of the maximum of described outer conductor thickness and the maximum of its external diameter is less than 0.01.
First super soft aluminum outer conductor radio frequency coaxial cable described in the utility model prepares the inner wire with support member when producing, being wrapped on described inner wire by described dielectric again, the processing of described outer conductor spiral lamination is identical compared with coaxial cable production method with cladding；First anti-extrusion groove can be wrapped in the post-treatment on described inner wire at dielectric, it is possible to processing in advance is row winding more then；Second anti-extrusion groove can pass through to realize at pressure roller trussell, and described pressure roller is for being processed generating outer conductor spiral lamination to described outer conductor.
In sum, this utility model has the advantage that
Super soft aluminum outer conductor radio frequency coaxial cable described in the utility model is more soft, flexible, transmission signal low-loss, and material cost is relatively low.
Accompanying drawing explanation
Fig. 1 is super soft aluminum outer conductor radio frequency coaxial cable cross section structure schematic diagram；
Fig. 2 is super soft aluminum outer conductor radio frequency coaxial cable side cross-sectional view described in embodiment 1；
Fig. 3 is super soft aluminum outer conductor radio frequency coaxial cable side cross-sectional view described in embodiment 2；
In figure, at the bottom of 0-support member, 01-central shaft support member, 02-foamed plastic, 1-inner wire, 2-insulating barrier, 21-tooth, the anti-extrusion groove of 22-first, 3-outer conductor, 31-thread, the anti-extrusion groove of 311-second, 4-air layer, a-the first tack coat, b-the second tack coat, c-the 3rd tack coat.
Detailed description of the invention
Technical scheme in this utility model embodiment will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Embodiment in this utility model, all other embodiments that those of ordinary skill in the art obtain under not doing creative work premise, broadly fall into the scope of this utility model protection.
This utility model is described in detail with embodiment below in conjunction with accompanying drawing.
Embodiment 1: super soft aluminum outer conductor radio frequency coaxial cable, include the inner wire 1 of socket, insulating barrier 2 and outer conductor 3 mutually from the inside to the outside successively, the axle center of described inner wire 1 and described outer conductor 3 coincides, described inner wire 1 is provided with through vacant space in cross section normal orientation, being provided with support member 0 in described vacant space, described support member 0 is for having elastic shaft；Described insulating barrier 2 is the dielectric being spirally wound on described inner wire 1 outer surface, and described dielectric is foam insulating material, forms insulating barrier spiral lamination, and described insulating barrier spiral lamination includes at the bottom of the tooth of described inner wire 1 direction depression 21；What described insulating barrier 2 at least included exposing described inner wire 1 outer surface exposes portion, described in account for the volume ratio of described insulating barrier 2 be 85% in the portion of exposing；Described outer conductor 3 wraps described insulating barrier 2, is provided with outer conductor spiral lamination, and described outer conductor spiral lamination includes the thread 31 to described insulating barrier 2 projection.
Precession direction and the pitch of the precession direction of described outer conductor spiral lamination and described insulating barrier spiral lamination are all identical, and described thread 31 is connected at the bottom of described tooth on 21, there is air layer 4 at the bottom of described thread 31 and described tooth between 21.
Described support member 0 is connected respectively through the first tack coat a, the second tack coat b and the 3rd tack coat c with between described insulating barrier 2, described insulating barrier 2 and described outer conductor 3 with described inner wire 1, described inner wire 1.
Super soft aluminum outer conductor radio frequency coaxial cable according to claim 1, it is characterised in that described support member 0 includes central support shaft 01 and wraps the foamed plastic 02 of described central support shaft 01.
Embodiment 2: super soft aluminum outer conductor radio frequency coaxial cable, include the inner wire 1 of socket, insulating barrier 2 and outer conductor 3 mutually from the inside to the outside successively, the axle center of described inner wire 1 and described outer conductor 3 coincides, described inner wire 1 is provided with through vacant space in cross section normal orientation, being provided with support member 0 in described vacant space, described support member 0 is for having elastic shaft；Described insulating barrier 2 is the dielectric being spirally wound on described inner wire 1 outer surface, and described dielectric is foam insulating material, forms insulating barrier spiral lamination, and described insulating barrier spiral lamination includes at the bottom of the tooth of described inner wire 1 direction depression 21；What described insulating barrier 2 at least included exposing described inner wire 1 outer surface exposes portion, described in account for the volume ratio of described insulating barrier 2 be 82% in the portion of exposing；Described outer conductor 3 wraps described insulating barrier 2, is provided with outer conductor spiral lamination, and described outer conductor spiral lamination includes the thread 31 to described insulating barrier 2 projection.
Described support member 0 is connected respectively through the first tack coat a, the second tack coat b and the 3rd tack coat c with between described insulating barrier 2, described insulating barrier 2 and described outer conductor 3 with described inner wire 1, described inner wire 1.
The precession of the precession direction of described outer conductor spiral lamination and described insulating barrier spiral lamination is in opposite direction, and described insulating barrier spiral lamination offers the first anti-extrusion groove 22 along interval, precession direction, and described thread 31 offers the second anti-extrusion groove 311 along interval, precession direction.
Claims (10)
1. super soft aluminum outer conductor radio frequency coaxial cable, include the inner wire (1) of socket, insulating barrier (2) and outer conductor (3) mutually from the inside to the outside successively, the axle center of described inner wire (1) and described outer conductor (3) coincides, it is characterized in that: described inner wire (1) is provided with through vacant space in cross section normal orientation, being provided with support member (0) in described vacant space, described support member (0) is for having elastic shaft；Described insulating barrier (2) is the dielectric being spirally wound on described inner wire (1) outer surface, and described dielectric forms insulating barrier spiral lamination, and described insulating barrier spiral lamination includes at the bottom of the tooth of described inner wire (1) direction depression (21)；What described insulating barrier (2) at least included exposing described inner wire (1) outer surface exposes portion；Described outer conductor (3) wraps described insulating barrier (2), is provided with outer conductor spiral lamination, and described outer conductor spiral lamination includes the thread (31) to described insulating barrier (2) projection.
2. super soft aluminum outer conductor radio frequency coaxial cable according to claim 1, it is characterised in that the precession direction of described outer conductor spiral lamination is in opposite direction with the precession of described insulating barrier spiral lamination.
3. super soft aluminum outer conductor radio frequency coaxial cable according to claim 1, it is characterized in that, the precession direction of described outer conductor spiral lamination is all identical with the precession direction of described insulating barrier spiral lamination and pitch, described thread (31) is connected on (21) at the bottom of described tooth, there is air layer (4) at the bottom of described thread (31) and described tooth between (21).
4. the super soft aluminum outer conductor radio frequency coaxial cable according to claim 1 or 2 or 3, it is characterised in that described insulating barrier spiral lamination offers the first anti-extrusion groove (22) along interval, precession direction.
5. the super soft aluminum outer conductor radio frequency coaxial cable according to claim 1 or 2 or 3, it is characterised in that described thread (31) offers the second anti-extrusion groove (311) along interval, precession direction.
6. super soft aluminum outer conductor radio frequency coaxial cable according to claim 1, it is characterised in that described in the portion of exposing account for the volume ratio of described insulating barrier (2) more than 80%.
7. super soft aluminum outer conductor radio frequency coaxial cable according to claim 1, it is characterised in that described dielectric is foam insulating material.
8. super soft aluminum outer conductor radio frequency coaxial cable according to claim 1, it is characterized in that, described support member (0) is connected respectively through the first tack coat (a), the second tack coat (b) and the 3rd tack coat (c) with between described insulating barrier (2), described insulating barrier (2) and described outer conductor (3) with described inner wire (1), described inner wire (1).
9. super soft aluminum outer conductor radio frequency coaxial cable according to claim 1, it is characterised in that described support member (0) includes central support shaft (01) and wraps the foamed plastic (02) of described central support shaft (01).
10. super soft aluminum outer conductor radio frequency coaxial cable according to claim 1, it is characterised in that the ratio of the maximum of described outer conductor (3) thickness and the maximum of its external diameter is less than 0.01.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620205012.2U CN205406691U (en) | 2016-03-17 | 2016-03-17 | Super gentle aluminium outer conductor radio frequency coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620205012.2U CN205406691U (en) | 2016-03-17 | 2016-03-17 | Super gentle aluminium outer conductor radio frequency coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205406691U true CN205406691U (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620205012.2U Expired - Fee Related CN205406691U (en) | 2016-03-17 | 2016-03-17 | Super gentle aluminium outer conductor radio frequency coaxial cable |
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| Country | Link |
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| CN (1) | CN205406691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655677A (en) * | 2016-03-17 | 2016-06-08 | 浙江德通科技有限公司 | Superflexible aluminum outer conductor radio frequency coaxial cable |
-
2016
- 2016-03-17 CN CN201620205012.2U patent/CN205406691U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655677A (en) * | 2016-03-17 | 2016-06-08 | 浙江德通科技有限公司 | Superflexible aluminum outer conductor radio frequency coaxial cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Super flexible aluminum outer conductor RF coaxial cable Effective date of registration: 20211227 Granted publication date: 20160727 Pledgee: Zhejiang Deqing rural commercial bank Limited by Share Ltd. Pledgor: ZHEJIANG DETONG TECHNOLOGY Co.,Ltd. Registration number: Y2021330002668 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 |