CN209993393U - Computer cable with light shielding structure - Google Patents
Computer cable with light shielding structure Download PDFInfo
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- CN209993393U CN209993393U CN201920816009.8U CN201920816009U CN209993393U CN 209993393 U CN209993393 U CN 209993393U CN 201920816009 U CN201920816009 U CN 201920816009U CN 209993393 U CN209993393 U CN 209993393U
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Abstract
The utility model discloses a computer cable with light-duty shielding structure, including cable core, total insulating layer, total shielding layer and restrictive coating, the cable core comprises control conductor, pair twist sinle silk and around the covering, the control conductor comprises control conductor, control insulating layer, control shielding layer and control rubber sleeve; the pair-twisted wire core consists of a transmission conductor, a transmission insulating sheath, a pair-twisted wrapping tape, a transmission insulating layer, a transmission shielding layer and a transmission rubber sleeve; the total shielding layer, the control shielding layer and the transmission shielding layer are of double-sided coating film structures, one side of the base film is coated with conductive paint, and the other side of the base film is coated with insulating paint. The utility model adopts the light PET dielectric film as the substitute of the total shielding layer, the control shielding layer and the transmission shielding layer, thus forming the light shielding structure of the computer cable, greatly improving the dielectricity, effectively avoiding the charge accumulation and improving the anti-interference performance of the computer cable; meanwhile, the bending performance of the cable is guaranteed, the weight of the cable is reduced, and the cable has popularization value.
Description
Technical Field
The utility model relates to a computer cable technical field especially relates to a computer cable with light-duty shielding structure.
Background
Computer cable, especially the connection cable between electronic computer and its automation equipment, its requirement for jam-proof nature is very high. In order to reduce mutual crosstalk and external interference among loops, computer cables all adopt shielding structures, and the shielding requirements of the cables are respectively adopted according to different occasions: and the method comprises the steps of pair-twisted combined shielding, total shielding of a cable formed by pair twisting, total shielding after the pair-twisted combined shielding and the like.
The shielding structure of the computer cable occupies an absolutely important position, the existing computer cable mainly adopts a mode of increasing a shielding layer to improve the anti-interference performance, and particularly, when the shielding structure is used for signal connection between equipment terminals, multiple layers of shielding are required to be added, the weight of the cable is increased, the number of carrier wires of the cable is relatively reduced, and the bending performance of the cable is also reduced.
How to reduce the shielding structure of the computer cable is an important issue in the field of computer cables.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects in the prior art and providing a computer cable with a light shielding structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a computer cable with a light shielding structure comprises a cable core, a total insulating layer, a total shielding layer and a sheath layer, wherein the total insulating layer is wrapped outside the cable core, the total shielding layer is wrapped outside the total insulating layer, the sheath layer is wrapped on the total shielding layer, the cable core is composed of a control wire core, a pair-twisted wire core and a wrapping layer, the control wire core is arranged at the center of the cable core, the pair-twisted wire core is annularly distributed outside the control wire core, the wrapping layer is wrapped on the outer ring of the pair-twisted wire core, and the total insulating layer is extruded and wrapped on the outer;
the control wire core consists of a control conductor, a control insulating layer, a control shielding layer and a control rubber sleeve, wherein the control conductor is formed by stranding a plurality of strands of tinned copper wires, and the control shielding layer is positioned between the control insulating layer and the control rubber sleeve;
the pair-twisted wire core consists of a transmission conductor, a transmission insulating sheath, a pair-twisted wrapping tape, a transmission insulating layer, a transmission shielding layer and a transmission rubber sleeve, wherein the transmission conductor is a single-core copper conductor wrapped with the transmission insulating sheath;
the main shielding layer, the control shielding layer and the transmission shielding layer are all of double-sided coating film structures, a substrate of each double-sided coating film structure is a polymer film, one surface of each polymer film is coated with conductive paint, and the other surface of each polymer film is coated with insulating paint;
the total shielding layer, the control shielding layer and the transmission shielding layer form a shielding structure of the computer cable.
Preferably, the total insulating layer, the control insulating layer and the transmission insulating layer are made of silicon rubber or fluoroplastic.
Preferably, the material of the sheath layer, the control rubber sleeve and the transmission rubber sleeve is polyvinyl chloride rubber or nitrile rubber.
The utility model discloses a scheme is the base film that adopts the fine and close membrane of polyethylene glycol terephthalate (PET) as total shielding layer, control shielding layer and transmission shielding layer.
The other scheme of the utility model is to adopt the base film of polyethylene glycol terephthalate (PET) microporous membrane as total shielding layer, control shielding layer and transmission shielding layer, the aperture of polyethylene glycol terephthalate (PET) microporous membrane is 0.1 ~ 10 mu m.
Further, the conductive paint is specifically any one of silver conductive paint, copper conductive paint or nickel conductive paint.
Further, the insulating paint is specifically polyurethane oily paint mixed with nano silicon oxide, and the size of the nano silicon oxide is 50-200 nm.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a total shielding layer, control shielding layer and transmission shielding layer constitute the shielding structure of computer cable, form total shielding, the hierarchical shielding of control sinle silk, the hierarchical shielding of pair twist sinle silk respectively, and the shielding structure of each layer adopts PET compact film or PET microporous membrane as the base film, and the electrically conductive lacquer of one side coating of base film, another side coating insulated paint, form dielectric film shielding structure; particularly, the PET microporous membrane is used as a base membrane to form a multilayer dielectric film structure of a conducting layer, a semi-conducting layer and an insulating layer, so that the dielectricity is greatly improved, and the accumulation of charges at the insulating part of the cable is effectively avoided, so that the anti-interference performance of the computer cable is improved, and the PET microporous membrane can be used as a substitute of the existing conductive cloth/conductive paint for the cable and has popularization value.
Drawings
Fig. 1 is a schematic structural diagram of a computer cable with a light shielding structure according to the present invention;
fig. 2 is a partial enlarged view a of a schematic structural view of a computer cable with a light shielding structure according to the present invention;
fig. 3 is an internal structure diagram of a control core of a computer cable with a light shielding structure according to the present invention;
fig. 4 is an internal structure diagram of a twisted pair core of a computer cable with a light shielding structure according to the present invention;
fig. 5 is a schematic diagram of a base film structure of a shielding structure of a computer cable with a light shielding structure according to the present invention;
in the figure: total insulating layer 1, total shield layer 2, restrictive coating 3, control sinle silk 4, control conductor 401, control insulating layer 402, control shielding layer 403, control rubber sleeve 404, pair twist sinle silk 5, transmission conductor 501, transmission insulating skin 502, pair twist around band 503, transmission insulating layer 504, transmission shielding layer 505, transmission rubber sleeve 506, around covering 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-5, a computer cable with a light shielding structure comprises a cable core, a total insulating layer 1 wrapped outside the cable core, a total shielding layer 2 wrapped outside the total insulating layer 1, and a sheath layer 3 wrapped on the total shielding layer 2, wherein the cable core is composed of a control wire core 4, a pair-twisted wire core 5 and a wrapping layer 6, the control wire core 4 is arranged at the center position of the cable core, the pair-twisted wire core 5 is annularly distributed outside the control wire core 4, the wrapping layer 6 is wrapped outside the pair-twisted wire core 5, and the total insulating layer 1 is extruded outside the wrapping layer 6; the control wire core 4 consists of a control conductor 401, a control insulating layer 402, a control shielding layer 403 and a control rubber sleeve 404, wherein the control conductor 401 is formed by twisting a plurality of tinned copper wires, and the control shielding layer 403 is positioned between the control insulating layer 402 and the control rubber sleeve 404; the twisted pair wire core 5 is composed of a transmission conductor 501, a transmission insulating sheath 502, a twisted pair wrapping tape 503, a transmission insulating layer 504, a transmission shielding layer 505 and a transmission rubber sleeve 506, wherein the transmission conductor 501 is a single-core copper conductor wrapped with the transmission insulating sheath 502, the twisted pair wrapping tape 503 is wrapped outside the two transmission conductors 501, and the transmission shielding layer 505 is positioned between the transmission insulating layer 504 and the transmission rubber sleeve 506; the total shielding layer 2, the control shielding layer 403 and the transmission shielding layer 505 are all of a double-sided coating film structure, the substrate of the double-sided coating film structure is a polymer film, one side of the polymer film is coated with conductive paint, and the other side of the polymer film is coated with insulating paint; the total shield layer 2, the control shield layer 403 and the transmission shield layer 505 constitute a shield structure of the computer cable.
Referring to fig. 1, the material of the sheath layer 3, the control rubber sleeve 404 and the transmission rubber sleeve 506 is specifically polyvinyl chloride rubber or nitrile rubber, which is low in cost, soft and convenient for installation of computer cables.
Referring to fig. 1, the total insulating layer 1, the control insulating layer 402, and the transmission insulating layer 504 are made of silicon rubber or fluoroplastic, which has high heat resistance and crack resistance, and thus avoids leakage.
One side of the base film is coated with conductive paint, and the other side is coated with insulating paint, wherein the conductive paint is any one of silver conductive paint, copper conductive paint or nickel conductive paint, the insulating paint is polyurethane oily paint mixed with nano silicon oxide, and the size of the nano silicon oxide is 50-200 nm.
Based on this, the utility model discloses a scheme is that adopt the tight membrane of polyethylene terephthalate (PET) as the base film of total shielding layer 2, control shielding layer 403 and transmission shielding layer 505, the conducting layer and the insulating layer tunic on the tight membrane two sides of PET separate, have some dielectricity, avoid the electric charge to accumulate in the insulating part position of cable effectively to improve the interference immunity of computer cable.
The other scheme of the utility model is to adopt the base film of polyethylene glycol terephthalate (PET) microporous membrane as total shielding layer 2, control shielding layer 403 and transmission shielding layer 505, and the aperture of polyethylene glycol terephthalate PET microporous membrane is 0.1 ~ 10 mu m. The conducting layers and the insulating layers on the two sides of the PET microporous film are separated by the film, and during film plating, part of the conducting paint remains in the microporous channel to form a multilayer dielectric film structure of the conducting layer, the semi-conducting layer and the insulating layer, as shown in figure 5, the dielectric PET microporous film is greatly improved, charge is effectively prevented from accumulating at the insulating part of the cable, and therefore the anti-interference performance of the computer cable is improved, and the PET microporous film can be used as a substitute of the conducting cloth/the conducting paint for the existing cable and has popularization value.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A computer cable with a light shielding structure comprises a cable core, a total insulating layer (1) wrapped outside the cable core, a total shielding layer (2) wrapped outside the total insulating layer (1) and a sheath layer (3) wrapped on the total shielding layer (2), and is characterized in that the cable core consists of a control wire core (4), a pair-twisted wire core (5) and a wrapping layer (6), the control wire core (4) is arranged at the center of the cable core, the pair-twisted wire core (5) is annularly distributed outside the control wire core (4), the wrapping layer (6) is wrapped on the outer ring of the pair-twisted wire core (5), and the total insulating layer (1) is extruded outside the wrapping layer (6);
the control wire core (4) is composed of a control conductor (401), a control insulating layer (402), a control shielding layer (403) and a control rubber sleeve (404), the control conductor (401) is formed by stranding a plurality of strands of tinned copper wires, and the control shielding layer (403) is positioned between the control insulating layer (402) and the control rubber sleeve (404);
the twisted pair wire core (5) is composed of a transmission conductor (501), a transmission insulating sheath (502), a twisted pair wrapping tape (503), a transmission insulating layer (504), a transmission shielding layer (505) and a transmission rubber sleeve (506), the transmission conductor (501) is a single-core copper conductor wrapped with the transmission insulating sheath (502), the twisted pair wrapping tape (503) is wrapped outside the two transmission conductors (501), and the transmission shielding layer (505) is located between the transmission insulating layer (504) and the transmission rubber sleeve (506);
the main shielding layer (2), the control shielding layer (403) and the transmission shielding layer (505) are all of a double-sided coating film structure, a substrate of the double-sided coating film structure is a polymer film, one side of the polymer film is coated with conductive paint, and the other side of the polymer film is coated with insulating paint;
the total shielding layer (2), the control shielding layer (403) and the transmission shielding layer (505) form a shielding structure of the computer cable.
2. The computer cable with a lightweight shielding structure according to claim 1, wherein the total insulating layer (1), the control insulating layer (402) and the transmission insulating layer (504) are made of silicone rubber or fluoroplastic.
3. The computer cable with a light shielding structure according to claim 1, wherein the material of the sheath layer (3), the control rubber sleeve (404) and the transmission rubber sleeve (506) is polyvinyl chloride rubber or nitrile rubber.
4. Computer cable with a lightweight shielding structure according to claim 1, characterized in that the base films of the total shielding layer (2), the control shielding layer (403) and the transmission shielding layer (505) are in particular polyethylene terephthalate (PET) dense films.
5. Computer cable with lightweight shielding structure according to claim 1 or 4, characterized in that the base films of the total shielding layer (2), the control shielding layer (403) and the transmission shielding layer (505) are in particular polyethylene terephthalate (PET) microporous films.
6. The computer cable with a lightweight shielding structure according to claim 5, wherein the pore size of the polyethylene terephthalate (PET) microporous membrane is 0.1 to 10 μm.
7. Computer cable with a lightweight shielding structure according to claim 1, characterized in that said conductive paint is in particular any one of silver conductive paint, copper conductive paint or nickel conductive paint.
8. Computer cable with a lightweight shielding structure according to claim 1, characterized in that said insulating varnish is in particular a polyurethane varnish blended with nano silica, said nano silica having dimensions of 50-200 nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920816009.8U CN209993393U (en) | 2019-06-01 | 2019-06-01 | Computer cable with light shielding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920816009.8U CN209993393U (en) | 2019-06-01 | 2019-06-01 | Computer cable with light shielding structure |
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| Publication Number | Publication Date |
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| CN209993393U true CN209993393U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920816009.8U Active CN209993393U (en) | 2019-06-01 | 2019-06-01 | Computer cable with light shielding structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098014A (en) * | 2019-06-01 | 2019-08-06 | 安徽渡江电缆集团有限公司 | A kind of computer cable with light shielding structure |
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2019
- 2019-06-01 CN CN201920816009.8U patent/CN209993393U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098014A (en) * | 2019-06-01 | 2019-08-06 | 安徽渡江电缆集团有限公司 | A kind of computer cable with light shielding structure |
| CN110098014B (en) * | 2019-06-01 | 2024-02-06 | 安徽渡江电缆集团有限公司 | Computer cable with light shielding structure |
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