CN208240368U - A kind of high temperature resistant voice-frequency cable - Google Patents
A kind of high temperature resistant voice-frequency cable Download PDFInfo
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- CN208240368U CN208240368U CN201820768550.1U CN201820768550U CN208240368U CN 208240368 U CN208240368 U CN 208240368U CN 201820768550 U CN201820768550 U CN 201820768550U CN 208240368 U CN208240368 U CN 208240368U
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Abstract
The utility model 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 successively coated on outside cable core, secondary shielding layer, the second wrapping layer, oversheath are successively coated on outside inner sheath, 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 guarantee that cable has good high temperature resistant, flame retardant property; bending property, tensile property, transmission signal performance are excellent.
Description
Technical field
The utility model relates to field of cable technology more particularly to a kind of high temperature resistant voice-frequency cables.
Background technique
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, various to interfere the transmission that will affect audio signal in cable.
Utility model content
To solve technical problem present in background technique, the utility model proposes a kind of high temperature resistant voice-frequency cables.
The utility model proposes a kind of high temperature resistant voice-frequency cable, comprising: it is cable core, first screen layer, the first wrapping layer, interior
Sheath, 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 utility model, the high temperature resistant voice-frequency cable proposed, cable core includes two communication conductors, every communication conductor
Including 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 successively wrapped
It overlays on outside cable core, secondary shielding layer, the second wrapping layer, oversheath are successively coated on outside inner sheath, 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 setting 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
The transmission of number line signal is more stable, without interruption, thus guarantee that cable has a good high temperature resistant, flame retardant property, and bending property,
Tensile property, transmission signal performance are excellent.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of high temperature resistant voice-frequency cable structural schematic diagram.
Specific embodiment
As shown in FIG. 1, FIG. 1 is the utility model proposes a kind of high temperature resistant voice-frequency cable structural schematic diagram.
Referring to Fig.1, the utility model proposes a kind of high temperature resistant voice-frequency cable, comprising: cable core, first screen layer 1, first
Wrapping 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
Including 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 successively wrapped
It overlays on outside cable core, secondary shielding layer, the second wrapping layer, oversheath are successively coated on outside inner sheath, 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 setting 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
The transmission of number line signal is more stable, without interruption, thus guarantee that cable has a good high temperature resistant, flame retardant property, and 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 embodiments, in order to effectively eliminate the induced current on shielded layer, the cable core further includes
One drainage thread 7.
In further specific embodiment, the second drainage thread 8 is equipped between inner sheath 5 and secondary shielding layer 2.
In further specific embodiment, the first drainage thread 7 and the second drainage thread 8 are all made of silver-gilt copper wire and are made.
In the specific arrangement method 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 guarantees 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 preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (9)
1. a kind of high temperature resistant voice-frequency cable characterized by comprising 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) are 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 |
|---|---|---|---|
| CN201820768550.1U CN208240368U (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 |
|---|---|---|---|
| CN201820768550.1U CN208240368U (en) | 2018-05-22 | 2018-05-22 | A kind of high temperature resistant voice-frequency cable |
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| Publication Number | Publication Date |
|---|---|
| CN208240368U true CN208240368U (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820768550.1U Active CN208240368U (en) | 2018-05-22 | 2018-05-22 | A kind of high temperature resistant voice-frequency cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108492915A (en) * | 2018-05-22 | 2018-09-04 | 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 CN201820768550.1U patent/CN208240368U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108492915A (en) * | 2018-05-22 | 2018-09-04 | 安徽天康(集团)股份有限公司 | A kind of high temperature resistant voice-frequency cable |
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