CN207217728U - A kind of stable test coaxial radio frequency cable of mechanical phase - Google Patents
A kind of stable test coaxial radio frequency cable of mechanical phase Download PDFInfo
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- CN207217728U CN207217728U CN201721250530.7U CN201721250530U CN207217728U CN 207217728 U CN207217728 U CN 207217728U CN 201721250530 U CN201721250530 U CN 201721250530U CN 207217728 U CN207217728 U CN 207217728U
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Abstract
The utility model discloses the test coaxial radio frequency cable that a kind of mechanical phase is stable, include inner conductor layer, insulating barrier, screen layer and restrictive coating, insulating barrier is set on the outside of inner conductor layer, screen layer is set on the outside of insulating barrier, oversheath is set on the outside of screen layer, insulating barrier is predominantly pushed on the outside of solid-core polyfluortetraethyleinsulating layer and solid-core polyfluortetraethyleinsulating layer and is provided with one layer of wrapped expanded microporous polytetra fluoroethylene-EPTEE film on solid-core polyfluortetraethyleinsulating, screen layer includes silver-plated copper bandlet layer and silver-coated copper wire braiding layer, silver-plated copper bandlet layer is wrapped on the outside of insulating barrier, silver-coated copper wire braiding layer is woven on the outside of silver-plated copper bandlet layer.The utility model is pushing the outside of real core teflon insulation layer, wrapped one layer of expanded microporous polytetra fluoroethylene-EPTEE film, play a part of transition between insulating barrier and screen layer, add the frictional force of insulating barrier, reduce because of mechanism and caused by relative displacement between insulating barrier and screen layer, so as to improve the stability of cable.
Description
Technical field
It the utility model is related to a kind of coaxial radio frequency cable, the stable test coaxial radio-frequency of particularly a kind of mechanical phase
Cable.
Background technology
Coaxial cable divides from purposes can be divided into base band coaxial cable and BBC(broadband coaxial cable)（Network coaxial cable and regard
High frequency coaxial cable）.Coaxial cable is divided to 50 Ω base band cables and the class of 75 Ω broadband cables two.Base band cable divides thin coaxial cable again
And thick coaxial cable.Base band cable is used only for Digital Transmission, and data transfer rate is up to 10Mbps.
Coaxial cable (Coaxial Cable) refers to there are two concentric conductors, and conductor and screen layer share same axle
The cable of the heart.The copper conductors that most common coaxial cable is isolated by insulating materials form, and are in the outside of nexine insulating materials
Another layer of ring shaped conductor and its insulator, then whole cable encased by the sheath of polyvinyl chloride or teflon material.
At present, the like product insulating barrier of domestic production simply uses single pushing reality core teflon insulation layer
Form.Single insulating forms cause cable in BENDING PROCESS, due to surface of insulating layer unusual light, cause outer conductor with
It is easy to produce relative displacement between insulating barrier, so as to have influence on the stability of phase and decay.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of mechanical phase stable test coaxial radio-frequency electricity
Cable.
In order to solve the above technical problems, technical scheme is used by the utility model：
A kind of stable test coaxial radio frequency cable of mechanical phase, it is characterised in that：Comprising inner conductor layer, insulating barrier,
Screen layer and restrictive coating, insulating barrier are set on the outside of inner conductor layer, and screen layer is set on the outside of insulating barrier, and oversheath is set in screen
Cover on the outside of layer, insulating barrier predominantly push be provided with the outside of solid-core polyfluortetraethyleinsulating layer and solid-core polyfluortetraethyleinsulating layer one layer around
The expanded microporous polytetra fluoroethylene-EPTEE film on solid-core polyfluortetraethyleinsulating is wrapped, screen layer includes silver-plated copper bandlet layer and silver-coated copper wire weaves
Layer, silver-plated copper bandlet layer is wrapped on the outside of insulating barrier, and silver-coated copper wire braiding layer is woven on the outside of silver-plated copper bandlet layer.
Further, the inner conductor layer uses silver-coated copper wire, a diameter of 0.90mm-0.92mm of conductor.
Further, the solid-core polyfluortetraethyleinsulating layer external diameter is 2.85mm.
Further, the expanded microporous polytetra fluoroethylene-EPTEE film thickness is 0.05mm, and wrapped cap rate is 50%.
Further, the silver-plated copper bandlet width of the silver-plated copper bandlet layer is 1.8mm-2.0mm, and cap rate is more than 40%.
Further, the silver-coated copper wire braiding layer count is more than 90%.
Further, the restrictive coating using polyurethane into.
The utility model compared with prior art, has advantages below and effect：The utility model is the machine for improving product
Tool phase stability, rate of change of the cable attenuation with bending and vibration is reduced, pushing the outer of real core teflon insulation layer
Face, wrapped one layer of expanded microporous polytetra fluoroethylene-EPTEE film, plays a part of transition between insulating barrier and screen layer, adds insulating barrier
Frictional force, reduce because of mechanism and caused by relative displacement between insulating barrier and screen layer, so as to improve cable
Stability.Screen layer is combined using silver-plated copper bandlet and silver-coated copper wire braiding layer, and shielding properties is good and braiding layer is by bandlet
Locking on the insulating layer, further lifts frictional force, lifts the stability of cable.Sheath material uses soft polyurethane material
Material, greatly promotes the flexibility of cable.The property such as this cable has soft, high shielding, mechanical phase is stable, attenuation change is small
Energy.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the stable test coaxial radio frequency cable of mechanical phase of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is described in further detail by embodiment, and following examples are pair
It is of the present utility model explanation and the utility model is not limited to following examples.
As illustrated, the test coaxial radio frequency cable that a kind of mechanical phase of the present utility model is stable, includes inner wire
Layer 1, insulating barrier, screen layer and restrictive coating 4, insulating barrier are set in the outside of inner conductor layer 1, and screen layer is set on the outside of insulating barrier,
Oversheath 4 is set on the outside of screen layer, and insulating barrier predominantly pushes solid-core polyfluortetraethyleinsulating layer 21 and solid-core polyfluortetraethyleinsulating
Layer outside is provided with one layer of wrapped expanded microporous polytetra fluoroethylene-EPTEE film 22 on solid-core polyfluortetraethyleinsulating, and screen layer includes silver-plated copper
Bandlet layer 31 and silver-coated copper wire braiding layer 32, silver-plated copper bandlet layer 31 is wrapped on the outside of insulating barrier, and silver-coated copper wire braiding layer 32 is compiled
It is woven on the outside of silver-plated copper bandlet layer.
1 layer of inner wire uses silver-coated copper wire, a diameter of 0.90mm-0.92mm of conductor.Outside solid-core polyfluortetraethyleinsulating layer 21
Footpath is 2.85mm.The thickness of expanded microporous polytetra fluoroethylene-EPTEE film 22 is 0.05mm, and wrapped cap rate is 50%.Silver-plated copper bandlet layer 31
Silver-plated copper bandlet width is 1.8mm-2.0mm, and cap rate is more than 40%, and such outer insulation diameter control is in 2.95-3.05mm.It is silver-plated
The count of copper wire woven layer 32 is more than 90%.Restrictive coating 4 using polyurethane into.
The utility model reduces cable attenuation with bending and the change of vibration to improve the mechanical phase stability of product
Rate, the outside of real core teflon insulation layer is being pushed, wrapped one layer of expanded microporous polytetra fluoroethylene-EPTEE film, is playing insulating barrier and screen
Cover the effect of transition between layer, add the frictional force of insulating barrier, reduce because of mechanism and caused by insulating barrier and shielding
Relative displacement between layer, so as to improve the stability of cable.Screen layer uses silver-plated copper bandlet and silver-coated copper wire braiding layer
With reference to shielding properties is good and braiding layer locks bandlet on the insulating layer, further lifts frictional force, lifts the steady of cable
It is qualitative.Sheath material greatly promotes the flexibility of cable using soft polyurethane material.This cable has soft, Gao Ping
Cover, the performance such as mechanical phase is stable, attenuation change is small.
The utility model is widely used in GSM, Microwave Test Equipment, radar in 10MHz~18GHz frequency ranges
Etc. in occasion, for transmission signal.With the advantages of mechanical phase stability is high, weatherability is strong, flexibility is good.
Above content described in this specification is only to the utility model example explanation.The utility model
Person of ordinary skill in the field can make various modifications or supplement to described specific embodiment or use similar side
Formula substitutes, and content without departing from the utility model specification or surmounts scope defined in the claims, all should
Belong to the scope of protection of the utility model.
Claims (7)
- A kind of 1. stable test coaxial radio frequency cable of mechanical phase, it is characterised in that：Include inner conductor layer, insulating barrier, screen Layer and restrictive coating are covered, insulating barrier is set on the outside of inner conductor layer, and screen layer is set on the outside of insulating barrier, and oversheath is set in shielding Layer outside, insulating barrier predominantly push be provided with the outside of solid-core polyfluortetraethyleinsulating layer and solid-core polyfluortetraethyleinsulating layer one layer it is wrapped Expanded microporous polytetra fluoroethylene-EPTEE film on solid-core polyfluortetraethyleinsulating, screen layer includes silver-plated copper bandlet layer and silver-coated copper wire weaves Layer, silver-plated copper bandlet layer is wrapped on the outside of insulating barrier, and silver-coated copper wire braiding layer is woven on the outside of silver-plated copper bandlet layer.
- 2. according to the test coaxial radio frequency cable that a kind of mechanical phase described in claim 1 is stable, it is characterised in that：It is described Inner conductor layer uses silver-coated copper wire, a diameter of 0.90mm-0.92mm of conductor.
- 3. according to the test coaxial radio frequency cable that a kind of mechanical phase described in claim 1 is stable, it is characterised in that：It is described Solid-core polyfluortetraethyleinsulating layer external diameter is 2.85mm.
- 4. according to the test coaxial radio frequency cable that a kind of mechanical phase described in claim 1 is stable, it is characterised in that：It is described Expanded microporous polytetra fluoroethylene-EPTEE film thickness is 0.05mm, and wrapped cap rate is 50%.
- 5. according to the test coaxial radio frequency cable that a kind of mechanical phase described in claim 1 is stable, it is characterised in that：It is described The silver-plated copper bandlet width of silver-plated copper bandlet layer is 1.8mm-2.0mm, and cap rate is more than 40%.
- 6. according to the test coaxial radio frequency cable that a kind of mechanical phase described in claim 1 is stable, it is characterised in that：It is described Silver-coated copper wire braiding layer count is more than 90%.
- 7. according to the test coaxial radio frequency cable that a kind of mechanical phase described in claim 1 is stable, it is characterised in that：It is described Restrictive coating using polyurethane into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721250530.7U CN207217728U (en) | 2017-09-27 | 2017-09-27 | A kind of stable test coaxial radio frequency cable of mechanical phase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721250530.7U CN207217728U (en) | 2017-09-27 | 2017-09-27 | A kind of stable test coaxial radio frequency cable of mechanical phase |
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| Publication Number | Publication Date |
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| CN207217728U true CN207217728U (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721250530.7U Active CN207217728U (en) | 2017-09-27 | 2017-09-27 | A kind of stable test coaxial radio frequency cable of mechanical phase |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466567A (en) * | 2020-11-05 | 2021-03-09 | 上海立鲲光电科技有限公司 | Production method of coaxial cable |
-
2017
- 2017-09-27 CN CN201721250530.7U patent/CN207217728U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466567A (en) * | 2020-11-05 | 2021-03-09 | 上海立鲲光电科技有限公司 | Production method of coaxial cable |
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