CN201242907Y - Anti-interference acoustics line - Google Patents
Anti-interference acoustics line Download PDFInfo
- Publication number
- CN201242907Y CN201242907Y CNU2007201966109U CN200720196610U CN201242907Y CN 201242907 Y CN201242907 Y CN 201242907Y CN U2007201966109 U CNU2007201966109 U CN U2007201966109U CN 200720196610 U CN200720196610 U CN 200720196610U CN 201242907 Y CN201242907 Y CN 201242907Y
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- Prior art keywords
- sound equipment
- conductor
- interference
- shielding layer
- aluminum foil
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- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a cable of sound equipment, in particular to an anti-interference sound equipment cable with good signal transmission effect, which comprises a conductor stranded by a plurality of thin copper wires and a PVC protection layer wrapped outside the conductor; an aluminum foil shielding layer is wound between the conductor and the PVC protection layer, the aluminum foil shielding layer has the function of resisting external magnetic field interference, so as to ensure the signals transmitted by the conductor are free of interference; the aluminum foil shielding layer has good effect for shielding electromagnetic interference and influence, wherein the thickness of aluminum foil is 0.025mm. The utility model has the beneficial effects that: 1, the magnetic field interference problem generated by power cord and sound equipment cable are solved so as to provide a sound equipment cable with good appearance, convenient use and good signal transmission; and 2, the interference problem between the internal loop and the external loop of the sound equipment cable are solved, the effect for shielding electromagnetic interference and influence is good, the aluminum foil shielding layer is very solid, and as the thickness is thin, the aluminum foil shielding layer is not easily broken during the wire bending.
Description
Technical field
The utility model relates to a kind of sound equipment line, refers more particularly to the effective anti-interference sound equipment line of a kind of transmission signals.
Background technology
The sound equipment line generally all is made of core (also claiming " conductor "), insulating barrier (also claiming PVC plastic cement protective layer), screen and splicing ear four parts of centre.Conductor: generally formed by the high speed stranding machine is stranded by little oxygen-free copper or the silver-plated coppers in many (also being " many ") lines footpath, the size of core is according to national standard and be decided according to the actual requirements.PVC plastic cement protective layer: for avoid between core and the metal screen layer or metal screen layer and the external world between produce unnecessary the contact; by online wicking surface of extrusion unit or screen surface " signature " lid layer colloid separator; we are referred to as insulating barrier; demanding sound equipment line has two layers even more insulating barrier, and outermost layer is " outward by " usually.Good sound equipment line needs signal transmission performance good (mainly finishing by core and terminal), insulation and function of shielding will get well (finishing by insulating barrier and screen), could really play the effect of high-fidelity transmitting audio signal like this.But sound equipment line home loop and the outside influence of being disturbed easily, particularly general sound equipment line all is arranged together with power line, therefore can produce the magnetic field of disturbing mutually, these interference all can have influence on signal transfer quality, produce distorted signals or signal distortion.
Based on the weak point of above-mentioned existing sound equipment line, the inventor has designed the utility model " a kind of anti-interference sound equipment line ".
The utility model content
The utility model at above-mentioned the deficiencies in the prior art technical problem to be solved is: a kind of sound equipment line that influences transmission signals with the foil shielding layer shield electromagnetic interference is provided.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of anti-interference sound equipment line, it comprises the many stranded conductors that form of thin copper wire and is coated on the outer PVC sheath of conductor, twine between described conductor and the PVC sheath and be provided with foil shielding layer, this foil shielding layer has the effect that anti-external magnetic field disturbs, the assurance signal that conductor transmitted is avoided disturbing, twine the foil shielding layer that forms and be used for the effective of shield electromagnetic interference and influence, wherein the thickness of aluminium foil is 0.025mm.
Described PVC sheath is the transparent PVC sheath.
Described foil shielding layer Duplication is more than 30%, and it is more tight to twine back aluminum foil shielded body by 30% Duplication because the foil shielding layer thinner thickness, so in the process of bending easy fracture not.
Described conductor is closed by 50 above fine copper skein silks and forms, and the diameter of fine copper silk is 0.1mm.
Described PVC sheath is coated with two conductors that are parallel to each other, and two conductors are wrapped up by foil shielding layer respectively.
The described PVC sheath outside is provided with a green cast bar that parallels with conductor, is used to distinguish two conductor lines.
The beneficial effect of a kind of anti-interference sound equipment line of the utility model is:
1), the utility model solved power line, the sound equipment line interference problem in the magnetic field that produces together, and a kind of attractive in appearance, easy to use, sound equipment line that transmission signals is good is provided.
2), the utility model has solved the influence of sound equipment line home loop and external disturbance, these interference all can have influence on signal transfer quality, produce distorted signals or distorted, the utility model utilizes foil shielding layer, the effect of shield electromagnetic interference and influence is better, the electromagnetic field of interference signal transmission is weakened, the aluminum foil shielded layer thickness is 0.025mm, it is very tight that Duplication by 30% is twined the back foil shielding layer, and because its thinner thickness, so in the process of bent wire, also be not easy fracture.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is an overall structure front view of the present utility model;
Fig. 2 is a cross section structure schematic diagram of the present utility model.
The drawing reference numeral explanation:
10, conductor 20, PVC sheath 30, foil shielding layer
40, green cast bar
Embodiment
Referring to figs. 1 through Fig. 2, the utility model is to implement like this:
In Fig. 1 and Fig. 2, a kind of anti-interference sound equipment line comprises by the many stranded conductors that form of thin copper wire (10) and is coated on the outer PVC sheath (20) of conductor (10), twines between conductor (10) and the PVC sheath (20) and be provided with the foil shielding layer (30) that anti-external magnetic field disturbed and reduced the interference of conductor (10) transmission signals.
In the present embodiment, the thickness of foil shielding layer (30) is 0.025mm, and its Duplication is 30%, and it is more tight to twine the foil shielding layer (30) that forms by 30% Duplication, owing to foil shielding layer (30) thinner thickness, and easy fracture not in BENDING PROCESS.PVC sheath (20) is the transparent PVC sheath, and PVC sheath (20) is coated with two conductors (10) that are parallel to each other, and by foil shielding layer (30) parcel, the fine copper skein silk that conductor (10) is 0.1mm by 50 above diameters closes and forms two conductors (10) respectively.
Be provided with a green cast bar (40) that parallels with conductor (10) in PVC sheath (20) outside in addition, be used to distinguish two conductors (10) circuit.
The above, it only is the preferred embodiment of a kind of anti-interference sound equipment line of the utility model, be not that technical scope of the present utility model is imposed any restrictions, every foundation technical spirit of the present utility model all still belongs in the scope of the utility model technology contents any trickle modification, equivalent variations and modification that top embodiment did.
Claims (6)
1, a kind of anti-interference sound equipment line, it comprises by the many stranded conductors that form of thin copper wire (10) and is coated on the outer PVC sheath (20) of conductor (10), of the present utility model being characterised in that: twine between described conductor (10) and the PVC sheath (20) and be provided with the foil shielding layer (30) that anti-external magnetic field disturbed and reduced the interference of conductor (10) transmission signals.
2, a kind of anti-interference sound equipment line according to claim 1 is characterized in that described PVC sheath (20) is the transparent PVC sheath.
3, a kind of anti-interference sound equipment line according to claim 1 is characterized in that described foil shielding layer (30) Duplication is not less than 30%.
4, a kind of anti-interference sound equipment line according to claim 1 is characterized in that fine copper skein silk that described conductor (10) is 0.1mm by 50 above diameters closes to form.
5, a kind of anti-interference sound equipment line according to claim 1 and 2 is characterized in that described PVC sheath (20) is coated with two conductors (10) that are parallel to each other, and two conductors (10) are wrapped up by foil shielding layer (30) respectively.
6, a kind of anti-interference sound equipment line according to claim 5 is characterized in that described PVC sheath (20) outside is provided with one and parallels the green cast bar (40) that is used to distinguish two conductors (10) with conductor (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201966109U CN201242907Y (en) | 2007-12-28 | 2007-12-28 | Anti-interference acoustics line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201966109U CN201242907Y (en) | 2007-12-28 | 2007-12-28 | Anti-interference acoustics line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201242907Y true CN201242907Y (en) | 2009-05-20 |
Family
ID=40716197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201966109U Expired - Lifetime CN201242907Y (en) | 2007-12-28 | 2007-12-28 | Anti-interference acoustics line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201242907Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219077A (en) * | 2012-01-20 | 2013-07-24 | 上海起帆电线电缆有限公司 | Category-six twisted pair with double sheaths |
-
2007
- 2007-12-28 CN CNU2007201966109U patent/CN201242907Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219077A (en) * | 2012-01-20 | 2013-07-24 | 上海起帆电线电缆有限公司 | Category-six twisted pair with double sheaths |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090520 |