CN110098014B - Computer cable with light shielding structure - Google Patents
Computer cable with light shielding structure Download PDFInfo
- Publication number
- CN110098014B CN110098014B CN201910473580.9A CN201910473580A CN110098014B CN 110098014 B CN110098014 B CN 110098014B CN 201910473580 A CN201910473580 A CN 201910473580A CN 110098014 B CN110098014 B CN 110098014B
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- CN
- China
- Prior art keywords
- control
- transmission
- layer
- shielding layer
- shielding
- 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.)
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Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 62
- 239000003973 paint Substances 0.000 claims abstract description 34
- 229920001971 elastomer Polymers 0.000 claims abstract description 25
- 239000004020 conductor Substances 0.000 claims abstract description 22
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 20
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 229920006254 polymer film Polymers 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 7
- -1 polyethylene terephthalate Polymers 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000005543 nano-size silicon particle Substances 0.000 claims description 6
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 6
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229920002313 fluoropolymer Polymers 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 238000010618 wire wrap Methods 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 2
- 239000012982 microporous membrane Substances 0.000 description 5
- 239000012528 membrane Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate 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
- 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
- H01B11/08—Screens specially adapted for reducing cross-talk
-
- 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
- H01B11/1058—Screens specially adapted for reducing interference from external sources using a coating, e.g. a loaded polymer, ink or print
- H01B11/1066—Screens specially adapted for reducing interference from external sources using a coating, e.g. a loaded polymer, ink or print the coating containing conductive or semiconductive material
-
- 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
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Communication Cables (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a computer cable with a light shielding structure, which comprises a cable core, a total insulating layer, a total shielding layer and a sheath layer, wherein the cable core consists of a control wire core, a twisted wire core and a wrapping layer, and the control wire core consists of a control conductor, a control insulating layer, a control shielding layer and a control rubber sleeve; the twisted wire core consists of a transmission conductor, a transmission insulating sheath, a twisted wire 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 all 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 invention 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 dielectric property, effectively avoiding 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 popularization value is realized.
Description
Technical Field
The invention relates to the technical field of computer cables, in particular to a computer cable with a light shielding structure.
Background
The computer cable, especially the cable for connection between electronic computer and its automation equipment, has very high requirement on interference resistance. In order to reduce mutual crosstalk and external interference between loops, the computer cables all adopt shielding structures, and the shielding requirements of the cables are that the computer cables respectively adopt: and (3) a method of combining and shielding the twisted pair, a method of combining and shielding the twisted pair to form the total shielding of the cable, a method of combining and shielding the twisted pair to form the total 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 adding a shielding layer to improve the anti-interference performance, particularly, the signal connection between equipment terminals is required to be added with a plurality of layers of shielding, the weight of the cable is increased, the number of carrying wires of the cable is relatively reduced, and the bending performance of the cable is also reduced.
How to lighten the shielding structure of the computer cable is an important challenge in the field of computer cables.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a computer cable with a light shielding structure.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a computer cable with light-duty shielding structure, including cable core, the total insulating layer of parcel outside the cable core, the total shielding layer of parcel outside total insulating layer and the restrictive coating of parcel outside total shielding layer, the cable core comprises control core, twisted pair core and around the covering, control core establishes the central point of cable core, twisted pair core annular distributes outside control core, around the covering parcel in twisted pair core outer lane, total insulating layer crowded package is in the outside around the covering;
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 twisting 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 twisted wire core consists of a transmission conductor, a transmission insulating sheath, twisted wire wrapping belts, 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 twisted wire wrapping belts are wrapped outside the two transmission conductors, and the transmission shielding layer is positioned between the transmission insulating layer and the transmission rubber sleeve;
the main shielding layer, the control shielding layer and the transmission shielding layer are of a double-sided coating film structure, a substrate of the double-sided coating film structure is a high polymer film, one side of the high polymer film is coated with conductive paint, and the other side of the high 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 material of the total insulating layer, the control insulating layer and the transmission insulating layer is specifically silicone 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.
One solution of the present invention is to use a dense polyethylene terephthalate (PET) film as the base film for the total, control and transport barrier layers.
Another proposal of the invention is to adopt a polyethylene terephthalate (PET) microporous membrane as a base membrane of the total shielding layer, the control shielding layer and the transmission shielding layer, and the aperture of the polyethylene 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 oil paint mixed with nano silicon oxide, and the size of the nano silicon oxide is 50-200nm.
Compared with the prior art, the invention has the beneficial effects that:
the invention adopts a total shielding layer, a control shielding layer and a transmission shielding layer to form a shielding structure of a computer cable, and respectively forms a total shielding layer, a grading shielding layer of a control wire core and a grading shielding layer of a twisted wire core, wherein the shielding structure of each layer adopts a PET compact film or a PET microporous film as a base film, one side of the base film is coated with conductive paint, and the other side is coated with insulating paint to form a dielectric film shielding structure; particularly, the PET microporous film is used as a base film to form a multi-layer dielectric film structure of a conducting layer, a semi-conducting layer and an insulating layer, so that the dielectric property is greatly improved, and the accumulation of charges at the position of an insulating part of a cable is effectively avoided, thereby improving the anti-interference performance of a computer cable, being capable of being used as a substitute of the existing conducting cloth/conducting paint for the cable, and having popularization value.
Drawings
Fig. 1 is a schematic structural view 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 diagram of a computer cable with a light shielding structure according to the present invention;
FIG. 3 is an internal structural view of a control wire core of a computer cable with a lightweight shielding structure according to the present invention;
FIG. 4 is an internal structural view of a twisted pair core of a computer cable with a lightweight shielding structure according to the present invention;
fig. 5 is a schematic view of a base film structure of a computer cable shielding structure with a light shielding structure according to the present invention;
in the figure: total insulation layer 1, total shielding layer 2, sheath layer 3, control wire core 4, control conductor 401, control insulation layer 402, control shielding layer 403, control rubber sleeve 404, twisted wire core 5, transmission conductor 501, transmission insulation skin 502, twisted wrapping tape 503, transmission insulation layer 504, transmission shielding layer 505, transmission rubber sleeve 506, and wrapping layer 6.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but 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 consists of a control wire core 4, a twisted wire core 5 and a wrapping layer 6, the control wire core 4 is arranged at the central position of the cable core, the 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 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 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 wire core 5 consists of a transmission conductor 501, a transmission insulating sheath 502, twisted wire 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 wire 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 of a double-sided coating film structure, a matrix 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 2, the control shield 403 and the transmission shield 505 constitute the shielding structure of the computer cable.
Referring to fig. 1, the materials of the sheath layer 3, the control rubber sleeve 404 and the transmission rubber sleeve 506 are specifically polyvinyl chloride rubber or nitrile rubber, so that the cost is low, the sheath is soft, and the installation of the computer cable is convenient.
Referring to fig. 1, the materials of the total insulating layer 1, the control insulating layer 402 and the transmission insulating layer 504 are specifically silicone rubber or fluoroplastic, so that the heat resistance and the cracking resistance are high, and electric leakage is avoided.
One side of the base film is coated with conductive paint, the other side of the base film is coated with insulating paint, the conductive paint is specifically any one of silver conductive paint, copper conductive paint or nickel conductive paint, the insulating paint is specifically polyurethane oily paint mixed with nano silicon oxide, and the size of the nano silicon oxide is 50-200nm.
Based on this, a solution of the present invention is to use a polyethylene terephthalate (PET) dense film as the base film of the total shielding layer 2, the control shielding layer 403 and the transmission shielding layer 505, where the conductive layers and the insulating layers on both sides of the PET dense film are separated by the film, so that there is a small dielectric property, and charge accumulation at the position of the insulating portion of the cable is effectively avoided, thereby improving the anti-interference performance of the computer cable.
Another embodiment of the present invention is to use a polyethylene terephthalate (PET) microporous membrane with a pore diameter of 0.1 to 10 μm as the base membrane of the total shielding layer 2, the control shielding layer 403 and the transmission shielding layer 505. The conductive layer and the insulating layer on the two sides of the PET microporous membrane are separated by the membrane, when in coating, the conductive paint partially remains in the microporous channel to form a multi-layer dielectric membrane structure of the conductive layer, the semi-conductive layer and the insulating layer, as shown in figure 5, the dielectric PET microporous membrane 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 conductive paint can be used as a substitute of the conductive cloth/conductive paint for the existing cable and has popularization value.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a computer cable with light-duty shielding structure, includes cable core, parcel total insulating layer (1) outside the cable core, parcel total shielding layer (2) outside total insulating layer (1) and parcel at jacket layer (3) of total shielding layer (2), characterized in that, the cable core comprises control sinle silk (4), pair twist sinle silk (5) and around covering (6), control sinle silk (4) are established in the central point of cable core, pair twist sinle silk (5) annular distribution is outside control sinle silk (4), around covering (6) parcel is in pair twist sinle silk (5) outer lane, total insulating layer (1) crowded package is in the outside around covering (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 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 pair twisting wire core (5) consists of a transmission conductor (501), a transmission insulating sheath (502), a pair twisting 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 pair twisting 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 of a double-sided coating film structure, a matrix 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;
the base films of the total shielding layer (2), the control shielding layer (403) and the transmission shielding layer (505) are specifically polyethylene terephthalate (PET) microporous films;
the insulating paint is specifically polyurethane oil paint mixed with nano silicon oxide, and the size of the nano silicon oxide is 50-200nm.
2. A computer cable with a lightweight shielding structure according to claim 1, characterized in that the material of the total insulation layer (1), the control insulation layer (402) and the transmission insulation layer (504) is in particular silicone rubber or fluoroplastic.
3. A computer cable with a light shielding structure according to claim 1, characterized in that the material of the sheath layer (3), the control rubber jacket (404) and the transmission rubber jacket (506) is in particular polyvinyl chloride rubber or nitrile rubber.
4. A computer cable with a lightweight shielding structure according to claim 1, characterized in that the polyethylene terephthalate (PET) microporous film has a pore size of 0.1-10 μm.
5. A computer cable with a light shielding structure according to any of the claims 1-4, characterized in that the conductive paint is in particular any of a silver conductive paint, a copper conductive paint or a nickel conductive paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910473580.9A CN110098014B (en) | 2019-06-01 | 2019-06-01 | Computer cable with light shielding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910473580.9A CN110098014B (en) | 2019-06-01 | 2019-06-01 | Computer cable with light shielding structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110098014A CN110098014A (en) | 2019-08-06 |
| CN110098014B true CN110098014B (en) | 2024-02-06 |
Family
ID=67449949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910473580.9A Active CN110098014B (en) | 2019-06-01 | 2019-06-01 | Computer cable with light shielding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110098014B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2425768Y (en) * | 2000-03-22 | 2001-04-04 | 淄博市临淄镭射技术研究所 | Radiation-resistant fabric |
| CN101384425A (en) * | 2006-02-20 | 2009-03-11 | 大赛璐化学工业株式会社 | Porous film and multilayer assembly using the same |
| RU119929U1 (en) * | 2012-03-22 | 2012-08-27 | Открытое акционерное общество "Электрокабель" Кольчугинский завод" | COMMUNICATION CABLE LOW FREQUENCY WITH FILM-PORO-FILM POLYETHYLENE INSULATION |
| CN102867884A (en) * | 2011-07-08 | 2013-01-09 | 茂迪股份有限公司 | Semiconductor substrate surface patterning method |
| CN108172323A (en) * | 2016-12-22 | 2018-06-15 | 郑州电力高等专科学校 | A kind of insulated electric conductor with insulating lacquer layer |
| CN108777195A (en) * | 2018-04-12 | 2018-11-09 | 江苏通鼎光电科技有限公司 | A kind of super soft scalable transponder data transmission cable |
| CN209993393U (en) * | 2019-06-01 | 2020-01-24 | 安徽渡江电缆集团有限公司 | Computer cable with light shielding structure |
-
2019
- 2019-06-01 CN CN201910473580.9A patent/CN110098014B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2425768Y (en) * | 2000-03-22 | 2001-04-04 | 淄博市临淄镭射技术研究所 | Radiation-resistant fabric |
| CN101384425A (en) * | 2006-02-20 | 2009-03-11 | 大赛璐化学工业株式会社 | Porous film and multilayer assembly using the same |
| CN102867884A (en) * | 2011-07-08 | 2013-01-09 | 茂迪股份有限公司 | Semiconductor substrate surface patterning method |
| RU119929U1 (en) * | 2012-03-22 | 2012-08-27 | Открытое акционерное общество "Электрокабель" Кольчугинский завод" | COMMUNICATION CABLE LOW FREQUENCY WITH FILM-PORO-FILM POLYETHYLENE INSULATION |
| CN108172323A (en) * | 2016-12-22 | 2018-06-15 | 郑州电力高等专科学校 | A kind of insulated electric conductor with insulating lacquer layer |
| CN108777195A (en) * | 2018-04-12 | 2018-11-09 | 江苏通鼎光电科技有限公司 | A kind of super soft scalable transponder data transmission cable |
| CN209993393U (en) * | 2019-06-01 | 2020-01-24 | 安徽渡江电缆集团有限公司 | Computer cable with light shielding structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110098014A (en) | 2019-08-06 |
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