CN108492915A - A kind of high temperature resistant voice-frequency cable - Google Patents
A kind of high temperature resistant voice-frequency cable Download PDFInfo
- Publication number
- CN108492915A CN108492915A CN201810496122.2A CN201810496122A CN108492915A CN 108492915 A CN108492915 A CN 108492915A CN 201810496122 A CN201810496122 A CN 201810496122A CN 108492915 A CN108492915 A CN 108492915A
- Authority
- CN
- China
- Prior art keywords
- layer
- high temperature
- temperature resistant
- coated
- conductor
- 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
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
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
- H01B11/10—Screens specially adapted for reducing interference from external sources
- H01B11/1008—Features relating to screening tape per se
-
- 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
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
- H01B11/10—Screens specially adapted for reducing interference from external sources
- H01B11/1033—Screens specially adapted for reducing interference from external sources composed of a wire-braided conductor
-
- 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
- H01B7/0045—Cable-harnesses
-
- 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
- H01B7/0225—Three or more layers
-
- 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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
-
- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2813—Protection against damage caused by electrical, chemical or water tree deterioration
-
- 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
-
- 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
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
Abstract
The invention discloses a kind of high temperature resistant voice-frequency cables, cable core includes two communication conductors, every communication conductor includes the insulating layer for being located at the conductor at middle part and being coated on outside conductor, first screen layer, the first wrapping layer, inner sheath are coated on outside cable core successively, secondary shielding layer, the second wrapping layer, oversheath are coated on outside inner sheath successively, and first screen layer and secondary shielding layer are all made of metal wire knitted and form.Pass through the high temperature resistant voice-frequency cable of above-mentioned optimization design; by the way that the double layer screen layer made of metal wire knitted is arranged; play shielding external electromagnetic waves; the effect of various signal interferences is prevented, protection internal signal wire signal transmission is more stable, without interruption; to ensure that cable has good high temperature resistant, flame retardant property; bending property, tensile property, transmission signal performance are excellent.
Description
Technical field
The present invention relates to field of cable technology more particularly to a kind of high temperature resistant voice-frequency cables.
Background technology
Digital audio and video signals are the very high impulse waves of frequency, and for accurate low transmission signal, the impedance of whole cable is necessary
It is consistent.Voice-frequency cable generally uses copper wire as conductor, but copper wire is oxidized easily, and influences the conduction of electric current.Cable
The design of shielding does not have good shielding properties, and various interference can influence the transmission of audio signal in cable.
Invention content
To solve technical problem present in background technology, the present invention proposes a kind of high temperature resistant voice-frequency cable.
A kind of high temperature resistant voice-frequency cable proposed by the present invention, including：Cable core, first screen layer, the first wrapping layer, interior shield
Set, secondary shielding layer, the second wrapping layer, oversheath；
Cable core includes two communication conductors, and every communication conductor includes being located at the conductor at middle part and being coated on outside conductor
Insulating layer；
First screen layer is coated on outside cable core, and the first wrapping layer is coated on outside first screen layer, and inner sheath is coated on
Outside first wrapping layer, secondary shielding layer is coated on outside inner sheath, and the second wrapping layer is coated on outside secondary shielding layer, outer shield
Set is coated on outside the second wrapping layer, and first screen layer and secondary shielding layer are all made of metal wire knitted and form.
Preferably, first screen layer and secondary shielding layer are all made of silver-gilt copper wire and weave.
Preferably, the cable core further includes the first drainage thread.
Preferably, the second drainage thread is equipped between inner sheath and secondary shielding layer.
Preferably, the first drainage thread and the second drainage thread are all made of silver-gilt copper wire and are made.
Preferably, two communication conductors are twisted mutually.
Preferably, conductor is twisted by multiply silver-gilt copper wire.
Preferably, insulating layer, inner sheath, oversheath are all made of fluoroplastic insulation material and are made.
Preferably, the first wrapping layer and the second wrapping layer are all made of that polytetrafluoroethylene (PTFE) twining package tape is wrapped to be formed.
In the present invention, the high temperature resistant voice-frequency cable proposed, cable core includes two communication conductors, and every communication conductor includes
Conductor positioned at middle part and the insulating layer being coated on outside conductor, first screen layer, the first wrapping layer, inner sheath are coated on successively
Outside cable core, secondary shielding layer, the second wrapping layer, oversheath are coated on outside inner sheath successively, first screen layer and the second screen
It covers layer and is all made of metal wire knitted and form.By the high temperature resistant voice-frequency cable of above-mentioned optimization design, wire is used by setting
Double layer screen layer made of braiding plays the role of shielding external electromagnetic waves, prevents various signal interferences, protects internal signal wire
Signal transmission is more stable, without interruption, to ensure that cable has good high temperature resistant, flame retardant property, bending property, tension
Performance, transmission signal performance are excellent.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of high temperature resistant voice-frequency cable proposed by the present invention.
Specific implementation mode
As shown in FIG. 1, FIG. 1 is a kind of structural schematic diagrams of high temperature resistant voice-frequency cable proposed by the present invention.
Referring to Fig.1, a kind of high temperature resistant voice-frequency cable proposed by the present invention, including：Cable core, first screen layer 1, first are wrapped
Layer 3, inner sheath 5, secondary shielding layer 2, the second wrapping layer 4, oversheath 6；
Cable core includes two communication conductors 9, and every communication conductor 9 includes being located at the conductor 91 at middle part and being coated on conductor 91
External insulating layer 92；
First screen layer 1 is coated on outside cable core, and the first wrapping layer 3 is coated on outside first screen layer 1, and inner sheath 5 wraps
It overlays on outside the first wrapping layer 3, secondary shielding layer 2 is coated on outside inner sheath 5, and the second wrapping layer 4 is coated on secondary shielding layer 2
Outside, oversheath 6 are coated on outside the second wrapping layer 4, first screen layer 1 and secondary shielding layer 2 be all made of metal wire knitted and
At.
In the present embodiment, the high temperature resistant voice-frequency cable proposed, cable core include two communication conductors, every communication conductor
Include the conductor positioned at middle part and the insulating layer being coated on outside conductor, first screen layer, the first wrapping layer, inner sheath wrap successively
It overlays on outside cable core, secondary shielding layer, the second wrapping layer, oversheath are coated on outside inner sheath successively, first screen layer and
Two shielded layers are all made of metal wire knitted and form.By the high temperature resistant voice-frequency cable of above-mentioned optimization design, by being arranged using gold
Belong to double layer screen layer made of silk braiding, play the role of shielding external electromagnetic waves, prevent various signal interferences, protects internal letter
Number line signal transmission is more stable, without interruption, to ensure that cable has good high temperature resistant, a flame retardant property, bending property,
Tensile property, transmission signal performance are excellent.
In a specific embodiment, first screen layer 1 and secondary shielding layer 2 are all made of silver-gilt copper wire and weave, silver-plated
Copper wire has the effect of preventing copper wire from aoxidizing.
In other specific implementation modes, in order to effectively eliminate the induced current on shielded layer, the cable core further includes
One drainage thread 7.
In further specific implementation mode, the second drainage thread 8 is equipped between inner sheath 5 and secondary shielding layer 2.
In further specific implementation mode, the first drainage thread 7 and the second drainage thread 8 are all made of silver-gilt copper wire and are made.
In the concrete arrangement of communication conductor, two communication conductors 9 are twisted mutually.
In the specific design method of conductor, conductor 91 is twisted by multiply silver-gilt copper wire, the copper wire of conductor directly with
Regular twisted mode combines, and ensures the softness of cable, and be also most stable of layout type, external force is difficult to change him
Between combination layout.
In the selection of insulating materials, insulating layer 92, inner sheath 5, oversheath 6 are all made of fluoroplastic insulation material and are made,
Insulating layer has heat-resistant fireproof performance, and the excellent electrical property that insulate using fluoroplastic insulation material, while having good
Tensile property, inner sheath and oversheath are all made of high temperature resistant, fire-retardant, etch-proof fluoroplastics as sheath material, which protects
The excellent high temperature resistant of voice-frequency cable is demonstrate,proved, fire-retardant, the performances such as tension.
In the specific design method of wrapping layer, it is wrapped that the first wrapping layer 3 and the second wrapping layer 4 are all made of polytetrafluoroethylene (PTFE)
It is formed with wrapped；The intensity of polytetrafluoroethylene (PTFE) twining package tape improves a kind of high temperature resistant voice-frequency cable entirety tightness degree and cable
Stability.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of high temperature resistant voice-frequency cable, which is characterized in that including：It is cable core, first screen layer (1), the first wrapping layer (3), interior
Sheath (5), secondary shielding layer (2), the second wrapping layer (4), oversheath (6)；
Cable core includes two communication conductors (9), and every communication conductor (9) includes being located at the conductor (91) at middle part and being coated on conductor
(91) external insulating layer (92)；
First screen layer (1) is coated on outside cable core, and the first wrapping layer (3) is coated on first screen layer (1) outside, inner sheath
(5) it is external to be coated on the first wrapping layer (3), secondary shielding layer (2) is coated on inner sheath (5) outside, the second wrapping layer (4) cladding
External in secondary shielding layer (2), oversheath (6) is coated on the second wrapping layer (4) outside, first screen layer (1) and secondary shielding
Layer (2) is all made of metal wire knitted and forms.
2. high temperature resistant voice-frequency cable according to claim 1, which is characterized in that first screen layer (1) and secondary shielding layer
(2) silver-gilt copper wire is all made of to weave.
3. high temperature resistant voice-frequency cable according to claim 1, which is characterized in that the cable core further includes the first drainage thread
(7)。
4. high temperature resistant voice-frequency cable according to claim 1 or 3, which is characterized in that inner sheath (5) and secondary shielding layer
(2) the second drainage thread (8) is equipped between.
5. high temperature resistant voice-frequency cable according to claim 4, which is characterized in that the first drainage thread (7) and the second drainage thread
(8) silver-gilt copper wire is all made of to be made.
6. high temperature resistant voice-frequency cable according to claim 1, which is characterized in that two communication conductors (9) are twisted mutually.
7. high temperature resistant voice-frequency cable according to claim 1, which is characterized in that conductor (91) is twisted by multiply silver-gilt copper wire
It forms.
8. high temperature resistant voice-frequency cable according to claim 1, which is characterized in that insulating layer (92), inner sheath (5), outer shield
Set (6) is all made of fluoroplastic insulation material and is made.
9. high temperature resistant voice-frequency cable according to claim 1, which is characterized in that the first wrapping layer (3) and the second wrapping layer
(4) it is all made of that polytetrafluoroethylene (PTFE) twining package tape is wrapped to be formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810496122.2A CN108492915A (en) | 2018-05-22 | 2018-05-22 | A kind of high temperature resistant voice-frequency cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810496122.2A CN108492915A (en) | 2018-05-22 | 2018-05-22 | A kind of high temperature resistant voice-frequency cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108492915A true CN108492915A (en) | 2018-09-04 |
Family
ID=63351710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810496122.2A Pending CN108492915A (en) | 2018-05-22 | 2018-05-22 | A kind of high temperature resistant voice-frequency cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108492915A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205194406U (en) * | 2015-12-08 | 2016-04-27 | 安徽鸿海电缆有限公司 | This ampere of computer shielded cable |
| CN208240368U (en) * | 2018-05-22 | 2018-12-14 | 安徽天康(集团)股份有限公司 | A kind of high temperature resistant voice-frequency cable |
-
2018
- 2018-05-22 CN CN201810496122.2A patent/CN108492915A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205194406U (en) * | 2015-12-08 | 2016-04-27 | 安徽鸿海电缆有限公司 | This ampere of computer shielded cable |
| CN208240368U (en) * | 2018-05-22 | 2018-12-14 | 安徽天康(集团)股份有限公司 | A kind of high temperature resistant voice-frequency cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5343960B2 (en) | Multi-core cable | |
| US3023267A (en) | Combination power and communication cable | |
| JP2004063418A (en) | Twin-core parallel shield cable, wiring component, and information apparatus | |
| JP4110382B2 (en) | Digital signal differential transmission cable, manufacturing method thereof, and harness using the same | |
| KR20100089395A (en) | Coaxial cable and structure of a plurality of coaxial cables | |
| KR20180088612A (en) | Data cable | |
| CN208240368U (en) | A kind of high temperature resistant voice-frequency cable | |
| CN105679420A (en) | Multifunctional cable of sound equipment | |
| CN108492915A (en) | A kind of high temperature resistant voice-frequency cable | |
| CN104751990A (en) | Branch cable | |
| CN101894615A (en) | High-temperature refractory shielded cable | |
| CN202816464U (en) | Ultra-high temperature resistant low-noise cable | |
| CN102831971B (en) | Ultra-high temperature resistant low-noise cable | |
| CN203826118U (en) | Low smoke non-toxic flame retardant control cable used for communication base station | |
| CN203607141U (en) | High-temperature-resistant shielding cable for thermocouple in a matching manner | |
| CN203433894U (en) | High-temperature-resistant super category-5 communication cable | |
| CN103996450A (en) | Low-smoke nontoxic flame-retardant control cable for communication base station | |
| CN205984325U (en) | Opto -electro hybrid cable | |
| JP2005166560A (en) | Cable core and transmission cable | |
| CN205194367U (en) | Shielding binode constructs cable | |
| CN208298571U (en) | The high audio hookup wire of a kind of good environmental protection, flexibility | |
| RU2761986C2 (en) | Heat-resistant two-pair symmetrical cable | |
| CN109804440A (en) | Twisted-pair cable with floating shield | |
| CN212675963U (en) | Fire-retardant signal cable for building | |
| CN210182131U (en) | Control cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |