CN104900337A - Data cable used for computer - Google Patents
Data cable used for computer Download PDFInfo
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- CN104900337A CN104900337A CN201510350206.1A CN201510350206A CN104900337A CN 104900337 A CN104900337 A CN 104900337A CN 201510350206 A CN201510350206 A CN 201510350206A CN 104900337 A CN104900337 A CN 104900337A
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Abstract
The invention relates to a data cable used for a computer, and belongs to the technical field of data cables. The data cable used for the computer comprises at least one group of data transmission layers. The data transmission layers are externally provided with an insulating cover layer. Each data transmission layer comprises a bare grounding lead and at least one pair of data leads. Each data transmission layer is externally covered by an aluminum foil conducting layer and a composite material shielding layer. According to the invention, the aluminum foil conducting layer and a composite material shielding layer are commonly used as an electromagnetic shielding layer, a good electromagnetic shielding effect is achieved, and relatively high interference resistance or error resistance to external electromagnetic interference or external signals is realized.
Description
Technical field
The present invention relates to the technical field of data cable, in particular, the present invention relates to a kind of data cable for computer.
Background technology
Along with the development of computer technology, the cable for signal transmission is also more and more less as its volume of annex.Data cable for computer generally includes the conductor for transmitting datagram number, and conductor outer cladding is with insulating medium layer, screen and oversheath.Screen is generally the braid that woven by multiply metal wire or is formed with aluminium foil etc., in order to the interference of shield electromagnetic interference or external signal in the prior art.But in actual applications, wire sheathing or aluminium foil are difficult to reach desirable shield effectiveness, be difficult to shield outside electromagnetic interference or the interference of useless external signal completely.
Summary of the invention
In order to solve above-mentioned technical problem of the prior art, the object of the present invention is to provide a kind of data cable for computer.
In order to realize foregoing invention object, present invention employs following technical scheme:
Data cable for computer of the present invention, comprises at least one group of data transfer layer, has insulating cover outside described data transfer layer; Described data transfer layer comprises exposed earth lead and at least one pair of data conductor, it is characterized in that: described data transfer layer is coated with aluminium foil conductive layer and composite material screen.
Wherein, described data transfer layer is 2 groups or many groups.
Wherein, described insulating cover is platypelloid type, and its material is crosslinked polyethylene, flame-proof polyvinyl chloride or ABS resin etc.
Wherein, the thickness of described aluminium foil is 5 ~ 50 μm, is preferably 10 ~ 20 μm.
Wherein, the thickness of described composite material screen is 1 ~ 10 mm.
Wherein, described composite material comprises: the silica dioxide granule of the silane coupler of the polyacrylic resin of 80 weight portions, the ABS resin of 15-20 weight portion, 3-5 weight portion, the SMA of 0.5-1.0 weight portion, the nickel plating boron of 3.5-5.0 weight portion, and the nano silver wire of 0.50-1.5 weight portion.
Wherein, described nano silver wire is length-width ratio is 20 ~ 2000, is preferably 50 ~ 500; The length of described nano silver wire is approximately 5 ~ 100 μm, is preferably 20 ~ 100 μm.In the present invention, described nano silver wire is prepared by the technology of prior art routine, such as, can carry out synthesis of silver nano-wire by reducing silver nitrate in solution system.
Wherein, the silica dioxide granule of described nickel plating boron, by obtaining by activation, chemical plating process at silica particles.
Data cable for computer of the present invention has following beneficial effect:
Data cable of the present invention adopts aluminium foil and composite material screen jointly as electro-magnetic screen layer, has excellent effectiveness, has stronger anti-interference or mistake proofing performance to the electromagnetic interference of outside or external signal.
Accompanying drawing explanation
Fig. 1 is the structural representation of the data cable for computer of the present invention.
Fig. 2 is total screening effectiveness figure of the composite material screen (5mm) of embodiment 1 ~ 3.
Fig. 3 is total screening effectiveness figure of the composite material screen (5mm) of comparative example 1 ~ 3.
Embodiment
Below with reference to specific embodiment, data cable for computer of the present invention and preparation method thereof is described further, has more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technical scheme.
As described in Figure 1, data cable for computer of the present invention, comprise two groups of group data transfer layers 60, described data transfer layer 60 comprises exposed earth lead 20 and at least one pair of data conductor 10, and described data conductor 10 comprises the insulating barrier of copper core and copper core periphery.Outside described data transfer layer 60, there is insulating cover 30, described insulating cover is platypelloid type, according to actual needs, also can be designed as other shape, and the material of insulating cover can be the materials commonly known in the art such as crosslinked polyethylene, flame-proof polyvinyl chloride or ABS resin.Improvements of the present invention are: described data transfer layer 60 is coated with aluminium foil conductive layer 40 and composite material screen 50, and the thickness of described aluminium foil is 5 ~ 50 μm, are preferably 10 ~ 20 μm.The thickness of described composite material screen is 1 ~ 10 mm.
In the present invention, composite material comprises: the silica dioxide granule of the silane coupler of the polyacrylic resin of 80 weight portions, the ABS resin of 15-20 weight portion, 3-5 weight portion, the SMA of 0.5-1.0 weight portion, the nickel plating boron of 3.5-5.0 weight portion, and the nano silver wire of 0.50-1.5 weight portion.Wherein, described nano silver wire is length-width ratio is 20 ~ 2000, and the length-width ratio of the nano silver wire adopted in an embodiment of the present invention is 50 ~ 500; Length is approximately 20 ~ 100 μm.In an embodiment of the present invention, the silica dioxide granule of described nickel plating boron is prepared by following technique: the average grain diameter of the silica dioxide granule of selection is between 5 ~ 20 μm, and density is 0.8 ~ 1.2 g/cm
3.First carry out pre-treatment, namely carry out cleaning at silica dioxide granule, alligatoring and SnCl
2the pre-treatment of solution sensitization, Pd activation; The Parameter Conditions of chemical plating is as follows: nickelous sulfate: 15 ~ 20 g/L, nickel chloride: 3.2 ~ 5.0 g/L, sodium borohydride: 10 ~ 12 g/L, sulfamic acid: 1.5 ~ 2.0 g/L, EDETATE SODIUM: 2.5 ~ 3.0 g/L, acrylyl oxy-ethyl-trimethyl salmiac: 1.0 ~ 1.2g/L, sodium diethyldithiocarbamate: 0.1 ~ 0.2 g/L, and the deionized water of surplus; Chemical plating temperature is 60 ~ 70 DEG C, and the time is 25 ~ 30 min, at N after chemical plating completes
2drying is carried out under thermal current.The silica dioxide granule of the nickel plating boron after utilizing testing graininess analyzer can draw plating is not reunited, and in Ni-B coating, the content of boron is about 5.5 ~ 7.5wt%.
Below by the composition of the composite material screen in detailed description data cable and preparation technology.
embodiment 1
By the silica dioxide granule of the silane coupler KH560 of the ABS resin (CH510) of the polyacrylic resin (Shanghai Xinhua 4401) of 80 weight portions, 20 weight portions, 5 weight portions, the SMA (SMA2000) of 1.0 weight portions, the nickel plating boron of 3.5 weight portions, join in high-speed mixer with the nano silver wire of 1.0 weight portions, its mixing speed is 2500 revs/min, and mixing time is 20 minutes mixtures obtaining mixing.Then mixture is placed in banbury, at 160 ~ 210 DEG C mixing 10 ~ 20 minutes, can composite material be obtained.
embodiment 2
By the silica dioxide granule of the silane coupler KH560 of the ABS resin (CH510) of the polyacrylic resin (Shanghai Xinhua 4401) of 80 weight portions, 15 weight portions, 3 weight portions, the SMA (SMA2000) of 1.0 weight portions, the nickel plating boron of 5.0 weight portions, join in high-speed mixer with the nano silver wire of 1.5 weight portions, its mixing speed is 2500 revs/min, and mixing time is 20 minutes mixtures obtaining mixing.Then mixture is placed in banbury, at 160 ~ 210 DEG C mixing 10 ~ 20 minutes, can composite material be obtained.
embodiment 3
By the silica dioxide granule of the silane coupler KH560 of the ABS resin (CH510) of the polyacrylic resin (Shanghai Xinhua 4401) of 80 weight portions, 20 weight portions, 4 weight portions, the SMA (SMA2000) of 1.0 weight portions, the nickel plating boron of 4.0 weight portions, join in high-speed mixer with the nano silver wire of 1.0 weight portions, its mixing speed is 2500 revs/min, and mixing time is 20 minutes mixtures obtaining mixing.Then mixture is placed in banbury, at 160 ~ 210 DEG C mixing 10 ~ 20 minutes, can composite material be obtained.
comparative example 1
By the silica dioxide granule of the silane coupler KH560 of the ABS resin (CH510) of the polyacrylic resin (Shanghai Xinhua 4401) of 80 weight portions, 20 weight portions, 4 weight portions, the SMA (SMA2000) of 1.0 weight portions, the nickel plating boron of 4.0 weight portions, join in high-speed mixer with the carbon nano-fiber of 1.0 weight portions, its mixing speed is 2500 revs/min, and mixing time is 20 minutes mixtures obtaining mixing.Then mixture is placed in banbury, at 160 ~ 210 DEG C mixing 10 ~ 20 minutes, can composite material be obtained.
comparative example 2
By the silica dioxide granule of the silane coupler KH560 of the ABS resin (CH510) of the polyacrylic resin (Shanghai Xinhua 4401) of 80 weight portions, 20 weight portions, 4 weight portions, the SMA (SMA2000) of 1.0 weight portions, the nickel plating phosphorus of 4.0 weight portions, join in high-speed mixer with the nano silver wire of 1.0 weight portions, its mixing speed is 2500 revs/min, and mixing time is 20 minutes mixtures obtaining mixing.Then mixture is placed in banbury, at 160 ~ 210 DEG C mixing 10 ~ 20 minutes, can composite material be obtained.This Electroless Ni-P Coating can adopt conventional chemical nickel phosphorus plating technique to obtain, and wherein in coating, the content of phosphorus is 5 ~ 8wt%.
comparative example 3
By the silane coupler KH560 of the ABS resin (CH510) of the polyacrylic resin (Shanghai Xinhua 4401) of 80 weight portions, 20 weight portions, 4 weight portions, the SMA (SMA2000) of 1.0 weight portions, the magnetic particles of ferroferric oxide of 4.0 weight portions, join in high-speed mixer with the nano silver wire of 1.0 weight portions, its mixing speed is 2500 revs/min, and mixing time is 20 minutes mixtures obtaining mixing.Then mixture is placed in banbury, at 160 ~ 210 DEG C mixing 10 ~ 20 minutes, can composite material be obtained.
The composite material of embodiment 1 ~ 3 and comparative example 1 ~ 3 is made the thick thin plate sample of 5mm, and the result of its electromagnet shield effect as Figure 2-3.
In the present invention; for the ordinary skill in the art described; specific embodiment is just to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (8)
1. for a data cable for computer, comprise at least one group of data transfer layer, outside described data transfer layer, there is insulating cover; Described data transfer layer comprises exposed earth lead and at least one pair of data conductor, it is characterized in that: described data transfer layer is coated with aluminium foil conductive layer and composite material screen.
2. the data cable for computer according to claim 1, is characterized in that: described data transfer layer is 2 groups or many groups.
3. the data cable for computer according to claim 1, is characterized in that: described insulating cover is platypelloid type, and its material is crosslinked polyethylene, flame-proof polyvinyl chloride or ABS resin.
4. the data cable for computer according to claim 1, is characterized in that: the thickness of described aluminium foil is 5 ~ 50 μm.
5. the data cable for computer according to claim 1, is characterized in that: the thickness of described composite material screen is 1 ~ 10 mm.
6. the data cable for computer according to claim 1, it is characterized in that: described composite material comprises the silica dioxide granule of the polyacrylic resin of 80 weight portions, the ABS resin of 15-20 weight portion, the silane coupler of 3-5 weight portion, the SMA of 0.5-1.0 weight portion, the nickel plating boron of 3.5-5.0 weight portion, and the nano silver wire of 0.50-1.5 weight portion.
7. the data cable for computer according to claim 6, it is characterized in that: described composite material is by the silica dioxide granule of the silane coupler of the ABS resin of the polyacrylic resin of 80 weight portions, 15-20 weight portion, 3-5 weight portion, the SMA of 0.5-1.0 weight portion, the nickel plating boron of 3.5-5.0 weight portion, and the nano silver wire composition of 0.50-1.5 weight portion.
8. the data cable for computer according to claim 6, is characterized in that: described nano silver wire is length-width ratio is 20 ~ 2000, and length is approximately 5 ~ 100 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510350206.1A CN104900337A (en) | 2015-06-24 | 2015-06-24 | Data cable used for computer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510350206.1A CN104900337A (en) | 2015-06-24 | 2015-06-24 | Data cable used for computer |
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| CN104900337A true CN104900337A (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510350206.1A Pending CN104900337A (en) | 2015-06-24 | 2015-06-24 | Data cable used for computer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018120048A1 (en) * | 2016-12-30 | 2018-07-05 | 德尔福派克电气系统有限公司 | Shield cable having electromagnetic shielding member made of composite material |
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| US20080128662A1 (en) * | 2004-03-17 | 2008-06-05 | Che-Hsiung Hsu | Water dispersible polypyrroles made with polymeric acid colloids for electronics applications |
| CN201629178U (en) * | 2010-01-27 | 2010-11-10 | 东莞市虎门金山电线电缆有限公司 | Computer data transmission wire cable |
| CN201655387U (en) * | 2010-01-26 | 2010-11-24 | 东莞市虎门金山电线电缆有限公司 | Special cable |
| US20110291032A1 (en) * | 2010-05-27 | 2011-12-01 | Industrial Technology Research Institute | Electromagnetic shielding composition, electromagnetic shielding device, anti-electrostatic device and method of manufacturing electromagnetic shielding structure |
| CN102604194A (en) * | 2012-02-11 | 2012-07-25 | 常州市嘉鹏塑料制品有限公司 | Transparent electromagnetic shielding film |
| CN103879100A (en) * | 2014-03-19 | 2014-06-25 | 天诺光电材料股份有限公司 | Shielding window film and preparation method thereof |
-
2015
- 2015-06-24 CN CN201510350206.1A patent/CN104900337A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080128662A1 (en) * | 2004-03-17 | 2008-06-05 | Che-Hsiung Hsu | Water dispersible polypyrroles made with polymeric acid colloids for electronics applications |
| CN201655387U (en) * | 2010-01-26 | 2010-11-24 | 东莞市虎门金山电线电缆有限公司 | Special cable |
| CN201629178U (en) * | 2010-01-27 | 2010-11-10 | 东莞市虎门金山电线电缆有限公司 | Computer data transmission wire cable |
| US20110291032A1 (en) * | 2010-05-27 | 2011-12-01 | Industrial Technology Research Institute | Electromagnetic shielding composition, electromagnetic shielding device, anti-electrostatic device and method of manufacturing electromagnetic shielding structure |
| CN102604194A (en) * | 2012-02-11 | 2012-07-25 | 常州市嘉鹏塑料制品有限公司 | Transparent electromagnetic shielding film |
| CN103879100A (en) * | 2014-03-19 | 2014-06-25 | 天诺光电材料股份有限公司 | Shielding window film and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018120048A1 (en) * | 2016-12-30 | 2018-07-05 | 德尔福派克电气系统有限公司 | Shield cable having electromagnetic shielding member made of composite material |
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Application publication date: 20150909 |