CN107689268A - Coaxial cable and method of manufacturing coaxial cable - Google Patents
Coaxial cable and method of manufacturing coaxial cable Download PDFInfo
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- CN107689268A CN107689268A CN201710659689.2A CN201710659689A CN107689268A CN 107689268 A CN107689268 A CN 107689268A CN 201710659689 A CN201710659689 A CN 201710659689A CN 107689268 A CN107689268 A CN 107689268A
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- absorption element
- inner wire
- stress absorption
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- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000004020 conductor Substances 0.000 claims abstract description 61
- 238000010521 absorption reaction Methods 0.000 claims description 60
- 239000000463 material Substances 0.000 claims description 52
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 19
- 229910052802 copper Inorganic materials 0.000 claims description 19
- 239000010949 copper Substances 0.000 claims description 19
- 239000004698 Polyethylene Substances 0.000 claims description 16
- 229920000573 polyethylene Polymers 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 11
- 230000001070 adhesive effect Effects 0.000 claims description 11
- -1 polyethylene Polymers 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000012777 electrically insulating material Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- LCJHLOJKAAQLQW-UHFFFAOYSA-N acetic acid;ethane Chemical compound CC.CC(O)=O LCJHLOJKAAQLQW-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
- H01B11/1834—Construction of the insulation between the conductors
- H01B11/1839—Construction of the insulation between the conductors of cellular structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
- H01B11/1895—Particular features or applications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
- H01B11/1834—Construction of the insulation between the conductors
- H01B11/1843—Construction of the insulation between the conductors of tubular structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/016—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing co-axial cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/221—Sheathing; Armouring; Screening; Applying other protective layers filling-up interstices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/189—Radial force absorbing layers providing a cushioning effect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0216—Two layers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Communication Cables (AREA)
Abstract
The invention relates to a coaxial cable (100) comprising an inner conductor (110) and an outer conductor (120), the outer conductor (120) being arranged radially outside the inner conductor (110) and the outer conductor (120) being electrically isolated from the inner conductor (110), wherein at least one stress absorbing element (130) for absorbing mechanical stress is arranged radially between the inner conductor (110) and the outer conductor (120).
Description
Technical field
The present invention relates to a kind of coaxial cable, the coaxial cable includes inner wire and outer conductor, and the outer conductor is by radial direction cloth
Put in the outside of the inner wire and be electrically isolated with the inner wire.
The invention further relates to a kind of method for manufacturing coaxial cable.
Background technology
Coaxial cable can be used for transmitting telecommunication number, and especially in the range of radio frequency, for example, telecommunication apparatus supply exists
The signal that several MHz (megahertz) are arrived in the frequency range between several GHz (Gigahertz).For this purpose, inner wire and outer conductor
Including conductive material (for example, copper) or it is made of an electrically conducting material.
Although for RF signals, the penetration depth of the electric current associated with RF signals due to kelvin effect and
It is relatively low, corresponding relatively low material thickness thus will be needed suitably to guide the RF electric currents in the electric conductor of normal cable,
It is special but the inner wire of conventional coaxial cable and/or outer conductor generally include relatively large material thickness or wall thickness respectively
Not, the material thickness or wall thickness are more than from the thickness required by the position of RF signals transmission, it is therefore desirable to a large amount of costlinesses
Resource, such as copper.
The content of the invention
It is therefore an object of the present invention to provide a kind of improved coaxial cable and a kind of side of improved manufacture coaxial cable
Method, which obviate the disadvantages mentioned above of prior art.
According to the present invention, on coaxial cable, the purpose passes through the radial direction cloth between the inner wire and the outer conductor
Put for absorbing at least one stress absorption element of mechanical stress to realize.At least one stress absorption element can absorb
The mechanical stress of cable is applied to, so as to protect the excessive machinery of destruction of the inner wire from will for example cause inner wire should
Power.So, the material thickness of both outer conductor and inner wire can be reduced, so as to save the valuable money of copper product etc.
Source, and also reduce the weight of the cable of per unit length.
Especially, at least one stress absorption element can absorb following kind of mechanical stress：1st, 360 ° of radial loads, should
Power can be applied to cable during manufacturing process, particularly during the manufacturing process of the optional dielectric component of cable
Or on its part；2nd, along the radial load of (single) axle, the radial load is for example corresponding to the crushing resistance of cable, if for example, electricity
Cable is compressed between parallel-plate；And 3, bending.
In the coaxial cable of routine, especially, inner wire than from required by RF signal transmission of angle it is more sane (i.e.
With higher material thickness), to handle above-mentioned stress scene, particularly situation 1 and situation 2, (wherein mechanical stress tends to collect
In at the center of cable), this can waste copper product and cause unnecessary high cable weight.Have by the principle according to embodiment
Solve these problems sharply, so as to save the conductor material of preciousness, while reducing cable weight, while keep electricity
Mechanical stability and the stress elasticity of cable.
According to one embodiment, the stress absorption element includes being electrically isolated material or is made up of electric isolution material, by
This advantageously obtains the electric isolution between the inner wire of cable and outer conductor, while absorbs mechanical stress and for example thus protect
Inner wire.Alternately, or additionally, electrically insulating material can be used for for example to be radially in the dielectric on the inside of outer conductor
The form of layer isolates inner wire with outer conductor.
According to another embodiment, the stress absorption element includes following material or is made up of following material, the material
Material includes about 20 Newton per square millimetre N/mm2Or bigger, preferably about 25N/mm2Or bigger yield stress Rp0.2, this makes
The cable configurations with extra high stability can be provided by obtaining.
According to another embodiment, the stress absorption element includes solid plastic material or by solid plastic material system
Into polyethylene or polypropylene in particular, it reduces cost and can realize efficient manufacturing process, while provides absorption machine
Good mechanical stability needed for tool stress.
According to another embodiment, the stress absorption element includes the (example of the tubulose with substantially annular section
Such as hollow cylindrical) shape, wherein the section has at least 10 square millimeters of mm2, preferably at least 15mm2Area.It is hollow
The shape of cylinder is always arranged radially between inner wire and outer conductor, is derived from the same of the conductor and stress absorption element
Axle configures.
According to another embodiment, it is alternatively possible to radially be provided between stress absorption element and inner wire other
Part, and/or other parts are radially provided between stress absorption element and outer conductor.
According to another embodiment, the stress absorption element includes about 185mm4Or bigger geometry moment of inertia, this
It ensure that the enough rigidity and stability of the various applications of cable.
According to another embodiment, the inner wire includes tubular form, and it is carried compared with the inner wire of solid wire type
The radially-outer surface of increase is supplied, so as to realize relatively low resistance and relatively low current density.
According to another embodiment, the stress absorption element also includes tubular form, it is preferable that wherein described stress is inhaled
The ratio of the radial wall thickness of element and the inner wire is received 30:1 and 4:Between 1, preferably 20:1 and 5:1
Between.Thus, compared with the coaxial cable of routine, particularly strong and light and handy configuration is obtained.However, according to other implementations
Example, other values of the ratio of radial wall thickness are also possible.
According to another embodiment, adhesive linkage is always arranged radially between the inner wire and the stress absorption element,
It is derived from the further stabilization of involved cable assembly relative to each other.Especially, adhesive linkage can be by inner wire jail
Admittedly be couple to stress absorption element, such as be also prevented from the axial displacement of these parts relative to each other, axial displacement example
Such as installed due to by cable with being arranged vertically.
According to one embodiment, the adhesive linkage has relatively small thickness degree, especially with 0.5 millimeter or smaller
Thickness degree, it is therefore preferred to have 0.2 millimeter or smaller of thickness degree.
According to another embodiment, the adhesive linkage can include polymeric material, such as EVA (ethane-acetic acid ethyenyls
Ester) copolymer, or be made up of polymeric material.
According to another embodiment, dielectric layer be always arranged radially the stress absorption element and the outer conductor it
Between.According to a kind of modification, cable includes at least one dielectric layer, and it is preferably co-axially around inner wire, wherein dielectric
Can be for example including air or plastic material.
According to one embodiment, the dielectric layer can include polyethylene (PE) material, particularly the PE materials of foam-like
Material.
According to one embodiment, the outer conductor is bellows, it preferably includes copper is made of copper, and it contributes to electricity
The bending of cable.Meanwhile by means of stress absorption element inner wire can be protected to be connect from caused due to this bending
The mechanical stress received.
The another solution of the purpose of the present invention by it is a kind of manufacture coaxial cable method provide, this method include with
Lower step：There is provided inner wire and outer conductor, the outer conductor is always arranged radially in the outside of the inner wire and interior led with described
Body is electrically isolated；And radially provided between the inner wire and the outer conductor for absorbing at least one of mechanical stress
Stress absorption element.
Dependent claims provide other embodiments and advantage.
Brief description of the drawings
Below with reference to further feature, aspect and the advantage that the present invention is given in the detailed description of accompanying drawing, wherein：
Fig. 1 schematically depict the sectional view of the cable according to first embodiment,
Fig. 2 schematically depict the sectional view of the cable according to second embodiment,
Fig. 3 schematically depict the sectional view of the cable according to 3rd embodiment,
Fig. 4 schematically depict the sectional view of the cable according to fourth embodiment, and
Fig. 5 schematically depict the simplified flowchart of the method according to one embodiment.
Embodiment
Fig. 1 schematically depict the sectional view of the coaxial cable 100 according to one embodiment.Cable 100 includes interior lead
Body 110 and outer conductor 120, the outer conductor 120 are always arranged radially in the outside of inner wire 110.Inner wire 110 and/or outer conductor
120 can include copper product or can be made up of copper product, particularly fine copper.
According to the principle of embodiment, at least one stress absorption element 130 for absorbing mechanical stress is always arranged radially
Between inner wire 110 and outer conductor 120.That is, at least one stress absorption element 130 is positioned radially in inner wire 110
Outside and be positioned radially in the inner side of outer conductor 120.
At least one stress absorption element 130 can absorb the mechanical stress for being applied to cable 100, so as to protect inner wire
The excessive mechanical stress of 110 destruction from will for example cause inner wire 110.So, it is possible to reduce the material of inner wire 110
Expect thickness, so as to save the precious resources of such as copper product, and also reduce the weight of the cable 100 of per unit length.
Especially, at least one stress absorption element 130 can absorb following kind of mechanical stress：1st, 360 ° of radial directions
Power, the power can during manufacture, particularly cable optional dielectric component (not shown in figure 1) the manufacturing process phase
Between, it is applied on cable 100 or its part；2nd, along the radial load of (single) axle, the radial load is for example corresponding to cable 100
Crushing resistance, if for example, cable 100 is compressed between parallel-plate；And 3, bending, such as in the portion at the scene of cable 100
Recurrent bending during administration.
Alternatively, adhesive linkage 140 can be radially arranged between inner wire 110 and stress absorption element 130, thus obtained
Obtain the further stabilization of involved cable assembly relative to each other.
Especially, inner wire can be securely coupled to stress absorption element by adhesive linkage 140, such as be also prevented from this
The axial displacement (such as may arise from cable to be arranged vertically installation) of a little parts relative to each other.In addition, adhesive linkage 140
Sealed inner conductor 110 can be provided for.
According to one embodiment, the adhesive linkage 140 has relatively small thickness degree (as shown in radial direction), especially
Ground has 0.5 millimeter or smaller of thickness degree, it is therefore preferred to have 0.2 millimeter or smaller of thickness degree.
According to another embodiment, the adhesive linkage 140 can include polymeric material, such as EVA (ethylene-acetates
Vinyl acetate) copolymer, or be made up of polymeric material.
According to one embodiment, the stress absorption element 130 includes being electrically isolated material or (complete) by electric isolution material
Material is made, and thus advantageously obtains the electric isolution between the inner wire 110 and outer conductor 120 of cable, so as to absorb machinery simultaneously
Stress and for example thus protect inner wire 110.
According to another embodiment, the stress absorption element 130 includes following material or is made up of following material, should
Material includes about 20 Newton per square millimetre N/mm2Or bigger yield stress Rp0.2, it preferably includes about 25N/mm2It is or bigger
Yield stress Rp0.2, this make it possible to provide with extra high stability cable configurations.
According to another embodiment, the stress absorption element 130 includes solid plastic material, or by solid plastic material
Material is made, particularly polyethylene or polypropylene, and it reduces cost and can realize efficient manufacturing process, while provides absorption
Good mechanical stability needed for mechanical stress.
According to another embodiment, the stress absorption element includes the (example of the tubulose with substantially annular section
Such as hollow cylindrical) shape, as shown in figure 1, wherein described section has at least 10 square millimeters of mm2Area, preferably have
There is at least 15mm2Area.From figure 1 it appears that the shape of hollow cylindrical is always arranged radially in inner wire 110 and outside led
Between body 120, the arranged coaxial of the conductor 110,120 and stress absorption element 130 is derived from.
According to other embodiments, it is alternatively possible to radially be provided between stress absorption element 130 and inner wire 110
Other parts, and/or other parts are radially provided between stress absorption element 130 and outer conductor 120, however, in Fig. 1 not
Show..
According to another embodiment, the stress absorption element includes about 185mm4Or bigger geometry moment of inertia, this
It ensure that the enough rigidity and stability of the various applications of cable 100.
According to another embodiment, the inner wire 110 includes tubular form, referring to being led in Fig. 1, with solid wire type
Body phase ratio, tubular form provide the radially-outer surface of increase.
According to another embodiment, the stress absorption element 130 also includes tubular form, wherein the stress absorption is first
The ratio of the radial wall thickness of part 130 and the inner wire (measuring in radial directions) is 30:1 and 4:Between 1,
Preferably 20:1 and 5:Between 1.Thus, compared with the coaxial cable of routine, particularly strong and light and handy configuration is obtained.
Another embodiment 100a of cable according to Fig. 2, dielectric layer 150 are always arranged radially in the stress absorption
Between element 130 and the outer conductor 120.Pay attention to, for the sake of clarity, in Fig. 2 eliminate as in Fig. 1 with dotted line describe can
The adhesive linkage 140 of choosing.
According to another embodiment, the dielectric layer 150 between stress absorption element 130 and outer conductor 120 can include
Polyethylene (PE) material, particularly the PE materials of foam-like.
According to one embodiment, the outer conductor 120 is bellows, and the bellows preferably includes copper or is made of copper.
Oversheath 160 can be included according to another embodiment 100b, cable 100b described by Fig. 3.Oversheath 160 can
Can be made up including such as electrically insulating material of PE materials or of the electrically insulating material.Obviously, according to some embodiments, figure
1 and Fig. 2 cable 100,100a can also include such oversheath 160.
Hereinafter, there is provided according to the example values of the cable 100b of some embodiments some geometric parameters and/or
The scope of value.
According to particularly preferred embodiment, referring to Fig. 3, inner wire 110 is made of copper and including substantially tubular shape shape,
I.e. hollow cylinder.As an example, the external diameter of inner wire 110 can be in about 5mm and about between 20mm.According to excellent
Embodiment is selected, the external diameter of inner wire 110 is equal to about 9mm, wherein the wall thickness of the inner wire 110 is about 0.1mm.Pass through basis
The stress absorption element 130 of embodiment, advantageously achieve this relatively low wall thickness.
According to another preferred embodiment, the external diameter for including the stress absorption element 130 of PE materials at present is equal to about 10mm,
Wall thickness is about 1mm.
According to another preferred embodiment, outer conductor 120 can be ripple copper pipe, and the external diameter of the outer conductor 120
About 25mm can be equal to.
According to another preferred embodiment, oversheath 160 includes PE materials and the external diameter with about 28mm.
Fig. 4 depicts another embodiment 100c of coaxial cable, and wherein stress absorption element 130 is always arranged radially all
Between such as two tubular layers 150a, 150b of such as dielectric substance of PE foamed materials.I.e., in the present embodiment, inner wire
110 by the first PE froth beds 150a in outside radially around stress absorption element 130 is by the 2nd PE froth beds 150b in outside footpath
To around.
According to other embodiments, the other materials (such as air) in addition to PE foams can be used for forming dielectric layer
One or more of 150a, 150b dielectric layer.
By using the stress absorption element 130 according to embodiment, size (particularly external diameter and/or the wall of inner wire 110
Thickness) requirement (such as frequency (scope), current density) that mainly can be transmitted according to RF signals select, wherein from RF signals
For the angle of transmission, at operating frequency (for example, center frequency of operation) place considered, one times or several times of skin depth is
It is enough, because the penetration depth of RF electric currents is generally relatively low (and as it is well known to the skilled in the art, dependent on frequency
Rate).Therefore, the use of copper product (or other conductive materials, be particularly used to construct inner wire 110) can be advantageously limited in
Will be by the material required for RF signals that cable 100,100a, 100b, 100c are transmitted, and especially need not basis
Mechanical stability required by cable is selected because the problem by according to the stress absorption element 130 of embodiment come place
Reason.The conductor material for inner wire 110 can be so saved, and mitigates the weight of cable.Advantageously, stress absorption element
130 absorb and are applied to cable 100,100a, 100b, 100c mechanical stress, and prevent cable inner radial part (such as from
Internal part seen by stress absorption element 130, particularly inner wire 110) stress absorption function as support.This is advantageously
Allow to design inner wire 110 with the optimal way on RF signal transmission characteristicses, without due to mechanical stability reason
And conductive material is added, in view of kelvin effect, the material added will not even contribute to conducting RF current.
Sum it up, the obvious content for reducing conductive material (such as copper) is advantageously able to according to the principle of embodiment, because
This also reduces the weight and cost of cable, and does not have any influence to the RF signal transmission performances of cable.In addition, in view of copper contains
The reduction of amount, it is smaller to the attraction of robber according to the cable of embodiment.
The another solution of the purpose of the present invention by it is a kind of manufacture coaxial cable method provide, this method include with
Lower step：There is provided inner wire and outer conductor, the outer conductor is always arranged radially in the outside of the inner wire and interior led with described
Body is electrically isolated；And radially provide between the inner wire and the outer conductor and answered for absorbing at least one of mechanical stress
Power absorber element.
Fig. 5 schematically depict the flow chart of one embodiment of methods described.In step 200, there is provided inner wire
110 (Fig. 1)；In step 210, there is provided outer conductor 120；And in a step 220, there is provided stress absorption element 130 (Fig. 1).
Pay attention to, these steps 200,210,220 precise sequence are not necessarily as explained above with the exemplary orders referred to of Fig. 5.On the contrary,
According to some embodiments, for example, step 200,210,220 can substantially simultaneously perform or be performed with any other order.
Specification and drawings are only to illustrate the principle of the present invention.It will thus be appreciated that although not herein clearly
Describe or show, those skilled in the art will can find out the various arrangements for embodying the principle of the present invention, and these are arranged
It is included in the spirit and scope of the present invention.In addition, all examples as described herein are directed primarily to be only used for teaching purpose, with
The concept for helping reader to understand the principle of the present invention and promoted this area by inventor and contributed, and be interpreted not to this
The a little examples specifically described and condition are construed as limiting.In addition, all herein record principle, aspect and embodiments of the invention
And its statement of specific example is to be intended to its equivalent.
It will be appreciated by those skilled in the art that this paper any block diagram represents to embody the illustrative circuit of the principle of the present invention
Concept map.Similarly, it will be appreciated that the representative such as any flow chart, flow chart, state transition graph, false code can be basic
On represented and by computer or the various processes of computing device in computer-readable medium, no matter such computer or
Whether processor is explicitly illustrated.
Claims (14)
1. a kind of coaxial cable (100), including inner wire (110) and outer conductor (120), the outer conductor (120) is by radial direction cloth
Put in the outside of the inner wire (110), and the outer conductor (120) is electrically isolated with the inner wire (110), wherein being used for
Absorb mechanical stress at least one stress absorption element (130) be always arranged radially the inner wire (110) and it is described outside lead
Between body (120).
2. cable (100) according to claim 1, wherein the stress absorption element (130) include being electrically isolated material or
Person is made up of electric isolution material.
3. the cable (100) described in one in preceding claims, wherein the stress absorption element (130) is included such as
Lower material is made up of following material, and the material includes about 20 Newton per square millimetre N/mm2Or more greatly, preferably about
25N/mm2Or bigger yield stress Rp0.2.
4. the cable (100) described in one in preceding claims, wherein the stress absorption element (130) is included admittedly
Body plastic material is made up of solid plastic material, in particular polyethylene or polypropylene.
5. the cable (100) described in one in preceding claims, wherein the stress absorption element (130) includes tool
There is the tubular form in substantially annular section, wherein the section has at least 10 square millimeters of mm2, preferably at least 15mm2
Area.
6. the cable (100) described in one in preceding claims, wherein the stress absorption element (130) is included about
185mm4Or bigger geometry moment of inertia.
7. the cable (100) described in one in preceding claims, wherein the inner wire (110) includes tubular shape
Shape.
8. cable (100) according to claim 7, wherein the stress absorption element (130) also includes tubular form, and
And the ratio of the radial wall thickness of wherein described stress absorption element (130) and the inner wire (110) is 30:1 and 4:Between 1
In the range of, preferably 20:1 and 5:Between 1.
9. the cable (100) described in one in preceding claims, wherein adhesive linkage (140) are always arranged radially described
Between inner wire (110) and the stress absorption element (130).
10. the cable (100) described in one in preceding claims, wherein dielectric layer (150) are always arranged radially
Between the stress absorption element (130) and the outer conductor (120).
11. the cable (100) described in one in preceding claims, wherein the outer conductor (120) is bellows, institute
Bellows is stated to preferably include copper or be made of copper.
12. the method for one kind manufacture coaxial cable (100), comprises the following steps：Inner wire (110) and outer conductor (120) are provided,
The outer conductor (120) is always arranged radially in the outside of the inner wire (110), and the outer conductor (120) with it is described interior
Conductor (110) is electrically isolated；And radially provided between the inner wire (110) and the outer conductor (120) for absorbing
At least one stress absorption element (130) of mechanical stress.
13. according to the method for claim 12, wherein the stress absorption element (130) includes following material or by such as
Lower material is made, and the material includes about 20 Newton per square millimetre N/mm2Or bigger, preferably about 25N/mm2Or bigger bend
Take stress Rp0.2.
14. the method described in one in claim 12 to 13, wherein the stress absorption element (130) includes having
The substantially tubular form in annular section, wherein the section has at least 10 square millimeters of mm2, preferably at least 15mm2's
Area.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16182824.9A EP3279902A1 (en) | 2016-08-04 | 2016-08-04 | Coaxial cable and method of manufacturing a coaxial cable |
| EP16182824.9 | 2016-08-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107689268A true CN107689268A (en) | 2018-02-13 |
Family
ID=56802248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710659689.2A Pending CN107689268A (en) | 2016-08-04 | 2017-08-04 | Coaxial cable and method of manufacturing coaxial cable |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP3279902A1 (en) |
| CN (1) | CN107689268A (en) |
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|---|---|---|---|---|
| US20020088641A1 (en) * | 2001-01-08 | 2002-07-11 | Murga Patricio G. | Insulating structure for a coaxial cable and method for applying the same |
| CN2758949Y (en) * | 2004-12-09 | 2006-02-15 | 江苏享鑫科技股份有限公司 | Improved 7/8' bellows external conductor RF coaxial cable |
| DE202008005448U1 (en) * | 2008-02-25 | 2008-08-07 | Vodafone Holding Gmbh | Mobile station and hybrid cable for a mobile station |
| CN101694902A (en) * | 2009-09-28 | 2010-04-14 | 江苏东强股份有限公司 | Radio-frequency coaxial cable for communication base station |
| CN102592743A (en) * | 2011-01-07 | 2012-07-18 | 珠海汉胜科技股份有限公司 | Coaxial cable and manufacturing method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE306714T1 (en) * | 1997-08-14 | 2005-10-15 | Commscope Inc | COAXIAL CABLE AND ITS PRODUCTION PROCESS |
-
2016
- 2016-08-04 EP EP16182824.9A patent/EP3279902A1/en not_active Withdrawn
-
2017
- 2017-08-04 CN CN201710659689.2A patent/CN107689268A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020088641A1 (en) * | 2001-01-08 | 2002-07-11 | Murga Patricio G. | Insulating structure for a coaxial cable and method for applying the same |
| CN2758949Y (en) * | 2004-12-09 | 2006-02-15 | 江苏享鑫科技股份有限公司 | Improved 7/8' bellows external conductor RF coaxial cable |
| DE202008005448U1 (en) * | 2008-02-25 | 2008-08-07 | Vodafone Holding Gmbh | Mobile station and hybrid cable for a mobile station |
| CN101694902A (en) * | 2009-09-28 | 2010-04-14 | 江苏东强股份有限公司 | Radio-frequency coaxial cable for communication base station |
| CN102592743A (en) * | 2011-01-07 | 2012-07-18 | 珠海汉胜科技股份有限公司 | Coaxial cable and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3279902A1 (en) | 2018-02-07 |
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