CN110473651A - A kind of coaxial low noise cable - Google Patents
A kind of coaxial low noise cable Download PDFInfo
- Publication number
- CN110473651A CN110473651A CN201810436107.9A CN201810436107A CN110473651A CN 110473651 A CN110473651 A CN 110473651A CN 201810436107 A CN201810436107 A CN 201810436107A CN 110473651 A CN110473651 A CN 110473651A
- Authority
- CN
- China
- Prior art keywords
- layer
- low noise
- outside
- coaxial low
- noise cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004020 conductor Substances 0.000 claims abstract description 48
- 239000000314 lubricant Substances 0.000 claims abstract description 18
- 238000005253 cladding Methods 0.000 claims abstract description 4
- 229920002379 silicone rubber Polymers 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 229910021389 graphene Inorganic materials 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 229910003978 SiClx Inorganic materials 0.000 claims 1
- 229920001971 elastomer Polymers 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000010292 electrical insulation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical group [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver 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
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/026—Alloys based on copper
-
- 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
- H01B11/1808—Construction of the conductors
-
- 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
-
- 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
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
-
- 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
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
-
- 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
- H01B7/1875—Multi-layer sheaths
-
- 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
- H01B7/20—Metal tubes, e.g. lead sheaths
- H01B7/205—Metal tubes, e.g. lead sheaths composed of aluminium
-
- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Landscapes
- Communication Cables (AREA)
Abstract
The present invention relates to a kind of coaxial low noise cables, it includes inner conductor, lubricant layer is equipped with outside the inner conductor, it is extruded outside the lubricant layer equipped with insulating layer and semiconductive shielding layer, cladding is equipped with outer conductor outside the semiconductive shielding layer, extrudes outside the outer conductor equipped with oversheath.The present invention reduces in cable use process and generates noise.
Description
Technical field
The present invention relates to a kind of cables, and in particular to a kind of coaxial cable.
Background technique
With the fast development of modern communication, detection to transmitting signal, judgement and analysis require just higher and higher.For
The equipment precision requirement used is also higher, and connects the cable of equipment, the small-signal generated in use process, just forms detection
System noise reduces this noise, can improve the accuracy of observation and control technology.
Noise is mainly related with the fuel factor of material in the construction of cable, while mainly due in cable use process, special
It is not when being bent to squeeze by external force, to rub between insulating layer and inner conductor and outer conductor layer and generate charge and gather release institute
It causes.So reducing the fuel factor of material, insulation and the friction between inner conductor and outer conductor can effectively reduce noise.
Summary of the invention
Goal of the invention: purpose of the invention is to overcome the shortcomings in the prior art, provides a kind of reduction cable use
The coaxial cable of noise is generated in the process.
Technical solution: in order to solve the above-mentioned technical problem, a kind of coaxial low noise cable of the present invention, it includes interior
Conductor is equipped with lubricant layer outside the inner conductor, is extruded outside the lubricant layer equipped with insulating layer and semiconductive shielding layer,
Cladding is equipped with outer conductor outside the semiconductive shielding layer, extrudes outside the outer conductor equipped with oversheath.
The inner conductor uses silver-plated copper conductor.
The lubricant layer is silicone lubricant layer.
The insulating layer is Ceramic silicon rubber layer.
The semiconductive shielding layer is silicon substrate semi-conductive layer, and thickness is between 0.2-0.5 mm.
The outer conductor is that graphene enhances aluminum-base composite pipe.
The oversheath is made of heat-resistant silicon rubber.
Lubricant layer is set in insulating layer, semi-conductive shield is set outside insulating layer, and reduction insulating layer is with inner conductor and outside
Possible friction between conductor and generate charge and cause noise.
Cable insulation uses Ceramic silicon rubber, high temperature resistant, and its coefficient of linear thermal expansion than other conventional high scores
Sub- material is small, just smaller with the linear expansion coefficient difference of internal and external conductor, effectively reduces in cable operational process, and temperature increases
When construction of cable each section between the charge generated with respect to sliding friction caused by noise.
External conductor layer enhances aluminum-base composite pipe using graphene, has high-intensitive protective value, highly conductive shielding
Can, and with internal structure substantially without friction.
Cable jacket extrudes high-temperature-resisting silicon rubber, improves the temperature resistant grade of cable.
The utility model has the advantages that compared with prior art, the present invention its remarkable advantage is: overall structure setting of the present invention is rationally, interior
Conductor uses silver-plated copper conductor, has very high electric conductivity, heat resistance and inoxidizability；Lubricant layer uses silicone lubricant
Layer, keeps conductive surface smooth, and coefficient of friction is minimum, and silicone resin has high-temperature stability, and with conductor, insulation matches, and makes
Obtain cable can be to work under hot environment；Insulating layer uses Ceramic silicon rubber, has very high electrical insulation capability and high temperature resistant
Performance has extraordinary flexibility convenient for squeezing out at conventional temperatures, and in cable operational process, with the liter of temperature
Height, gradually ceramic, while still having high-insulativity, linear expansion coefficient is gradually decreased, swollen with the line of internal and external conductor
Swollen coefficient differentials are just smaller, effectively reduce generating between construction of cable each section with respect to sliding friction when temperature increases
Noise caused by charge；Semiconductive shielding layer uses silicon substrate semiconducting material, has semiconductive and high temperature resistance, and thickness exists
Between 0.2-0.5mm, while enhancing shielding properties, playing prevents insulation and the rubbing action of outer conductor, insulating layer with partly lead
Shield layer uses double-layer coextrusion, combines closely as an entirety；Outer conductor enhances aluminum-base composite pipe using graphene, has
High-intensitive protective value, highly conductive shielding properties, intensity, substantially can will be outer when by external force up to 240MPa or more
Power is offset in outside, guarantees that built-in electrical insulation core does not move, insulation would not also rub with inner and outer conductor generate charge and
Noise is formed, outer conductor can use extrusion molding, can also be welded using band longitudinal tubing, longitudinal wrap seam using argon arc welding
It connects；Oversheath uses heat-resistant silicon rubber, plays a part of to protect internal core, while guaranteeing that cable can be run at high temperature.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of coaxial low noise cable of the present invention, it includes inner conductor 1, in the inner conductor 1
Outside is equipped with lubricant layer 2, is extruded outside the lubricant layer 2 equipped with insulating layer 3 and semiconductive shielding layer 4, in the semiconductive
Cladding is equipped with outer conductor 5 outside shielded layer 4, extrudes outside the outer conductor 5 equipped with oversheath 6；The inner conductor 1 is using plating
Silver-bearing copper conductor；The lubricant layer 2 is silicone lubricant layer；The insulating layer 3 is Ceramic silicon rubber layer；The semi-conductive screen
Layer 4 is silicon substrate semi-conductive layer, and thickness is between 0.2-0.5 mm；The outer conductor 5 is that graphene enhances aluminum-base composite pipe；Institute
Oversheath 6 is stated to be made of heat-resistant silicon rubber.Rationally, inner conductor uses silver-plated copper conductor, has for overall structure setting of the present invention
Very high electric conductivity, heat resistance and inoxidizability；Lubricant layer uses silicone lubricant oxidant layer, keeps conductive surface smooth, rubs
Coefficient is minimum, and silicone resin has high-temperature stability, and with conductor, insulation matches, so that cable can be with work under hot environment
Make；Insulating layer uses Ceramic silicon rubber, has very high electrical insulation capability and high temperature resistance, has at conventional temperatures non-
Often good flexibility is convenient for squeezing out, and in cable operational process, and as the temperature rises, gradually ceramic, has still
While high-insulativity, linear expansion coefficient is gradually decreased, just smaller with the linear expansion coefficient difference of internal and external conductor, effective to drop
Noise caused by the charge generated with respect to sliding friction when low temperature increases between construction of cable each section；Semi-conductive screen
Layer uses silicon substrate semiconducting material, has semiconductive and high temperature resistance, and thickness enhances shielding between 0.2-0.5mm
While energy, the rubbing action for preventing insulation with outer conductor is played, insulating layer and semiconductive shielding layer use double-layer coextrusion, closely
It is combined into an entirety；Outer conductor enhances aluminum-base composite pipe using graphene, has high-intensitive protective value, highly conductive shielding
External force can be offset in outside substantially when by external force up to 240MPa or more, guarantee built-in electrical insulation by performance, intensity
Core does not move, and insulation would not also rub with inner and outer conductor and generate charge and form noise, and outer conductor can be using crowded
It forms, can also be welded using band longitudinal tubing, longitudinal wrap seam using argon arc welding out；Oversheath uses heat-resistant silicon rubber, rises
The effect of internal core is protected, while guaranteeing that cable can be run at high temperature.
The present invention provides a kind of thinking and methods, and there are many method and the approach for implementing the technical solution, the above institute
Stating is only the preferred embodiment of the present invention, it is noted that for those skilled in the art, is not being departed from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications also should be regarded as guarantor of the invention
Range is protected, all undefined components in this embodiment can be implemented in the prior art.
Claims (7)
1. a kind of coaxial low noise cable, it is characterised in that: it includes inner conductor (1), and profit is equipped with outside the inner conductor (1)
Slip layer (2) extrudes outside the lubricant layer (2) equipped with insulating layer (3) and semiconductive shielding layer (4), in the semiconductive screen
It covers cladding outside layer (4) and is equipped with outer conductor (5), extrude outside the outer conductor (5) equipped with oversheath (6).
2. coaxial low noise cable according to claim 1, it is characterised in that: the inner conductor (1) is led using silver-plated copper
Body.
3. coaxial low noise cable according to claim 1, it is characterised in that: the lubricant layer (2) is silicone lubricant
Layer.
4. coaxial low noise cable according to claim 1, it is characterised in that: the insulating layer (3) is ceramic SiClx rubber
Glue-line.
5. coaxial low noise cable according to claim 1, it is characterised in that: the semiconductive shielding layer (4) is silicon substrate
Semi-conductive layer, thickness is between 0.2-0.5 mm.
6. coaxial low noise cable according to claim 1, it is characterised in that: the outer conductor (5) is graphene enhancing
Aluminum-base composite pipe.
7. coaxial low noise cable according to claim 1, it is characterised in that: the oversheath (6) uses heat-resisting silicon rubber
Glue is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436107.9A CN110473651A (en) | 2018-05-09 | 2018-05-09 | A kind of coaxial low noise cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436107.9A CN110473651A (en) | 2018-05-09 | 2018-05-09 | A kind of coaxial low noise cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110473651A true CN110473651A (en) | 2019-11-19 |
Family
ID=68503349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810436107.9A Pending CN110473651A (en) | 2018-05-09 | 2018-05-09 | A kind of coaxial low noise cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110473651A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2128802A (en) * | 1982-10-14 | 1984-05-02 | Atomic Energy Authority Uk | Cables for use in a hostile environment |
| JP2002175724A (en) * | 2000-12-08 | 2002-06-21 | Showa Electric Wire & Cable Co Ltd | Lubricous insulated wire |
| CN201302852Y (en) * | 2008-10-27 | 2009-09-02 | 浙江万马集团特种电子电缆有限公司 | Coaxial cable used for galvanometer of nuclear power plant reactor |
| CN102831967A (en) * | 2012-08-30 | 2012-12-19 | 江苏永鼎电气有限公司 | High-temperature-resistant low-noise cable |
| JP2016024870A (en) * | 2014-07-16 | 2016-02-08 | 東ソー株式会社 | Wire |
| US20170047632A1 (en) * | 2015-08-11 | 2017-02-16 | Keysight Technologies, Inc. | Coaxial transmission line including electrically thin resistive layer and associated methods |
| CN106531293A (en) * | 2016-12-29 | 2017-03-22 | 合肥开尔纳米能源科技股份有限公司 | Graphene modified aluminum alloy cable core and preparation method thereof |
| CN208157088U (en) * | 2018-05-09 | 2018-11-27 | 江苏宝安电缆有限公司 | A kind of coaxial low noise cable |
-
2018
- 2018-05-09 CN CN201810436107.9A patent/CN110473651A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2128802A (en) * | 1982-10-14 | 1984-05-02 | Atomic Energy Authority Uk | Cables for use in a hostile environment |
| JP2002175724A (en) * | 2000-12-08 | 2002-06-21 | Showa Electric Wire & Cable Co Ltd | Lubricous insulated wire |
| CN201302852Y (en) * | 2008-10-27 | 2009-09-02 | 浙江万马集团特种电子电缆有限公司 | Coaxial cable used for galvanometer of nuclear power plant reactor |
| CN102831967A (en) * | 2012-08-30 | 2012-12-19 | 江苏永鼎电气有限公司 | High-temperature-resistant low-noise cable |
| JP2016024870A (en) * | 2014-07-16 | 2016-02-08 | 東ソー株式会社 | Wire |
| US20170047632A1 (en) * | 2015-08-11 | 2017-02-16 | Keysight Technologies, Inc. | Coaxial transmission line including electrically thin resistive layer and associated methods |
| CN106531293A (en) * | 2016-12-29 | 2017-03-22 | 合肥开尔纳米能源科技股份有限公司 | Graphene modified aluminum alloy cable core and preparation method thereof |
| CN208157088U (en) * | 2018-05-09 | 2018-11-27 | 江苏宝安电缆有限公司 | A kind of coaxial low noise cable |
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