CN203013347U - High-definition multimedia digital signal transmission cable device - Google Patents
High-definition multimedia digital signal transmission cable device Download PDFInfo
- Publication number
- CN203013347U CN203013347U CN 201220670882 CN201220670882U CN203013347U CN 203013347 U CN203013347 U CN 203013347U CN 201220670882 CN201220670882 CN 201220670882 CN 201220670882 U CN201220670882 U CN 201220670882U CN 203013347 U CN203013347 U CN 203013347U
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- aluminium foil
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Abstract
The utility model relates to a high-definition multimedia digital signal transmission cable device. The high-definition multimedia digital signal transmission cable device comprises an outer sheath layer, tin-coated copper braiding belt, an aluminum foil, PET belt, twisted pair core wires, single core wires and filling wires, wherein the twisted pair core wire comprises two core wires, one anti-electromagnetic interference grounding wire, an insulation layer and aluminum foil Mylar, the two core wires are wrapped by the aluminum foil Mylar in a spiral mode, the aluminum foil Mylar and the anti-electromagnetic interference grounding wire are wrapped by the insulation layer, the twisted pair core wires are enclosed on a cross section to form a square structure, at least one single core wire and at least one filling wire are arranged at a center of the square structure, and at least one single core wire is arranged at four corners of the square structure. The high-definition multimedia digital signal transmission cable device is advantaged in that the multi-core wires are enclosed on the cross section to form the square structure which is filled with the filling wires for filling, so the cable device has a more compact structure and improved pressure resistance capability; anti-electromagnetic interference grounding wire prepared by twisting multi-strand metal wires improves soundness of a welding point, and thereby reliability of the cable device is improved.
Description
Technical field
The utility model relates to the equipment technical field of carry high frequency wideband digital signal, is specifically related to a kind of cable installation of high-definition multimedia digital data transmission,
Background technology
HDMI (High-Definition Multimedia Interface, high-definition multimedia digital data transmission interface) be widely used in the multimedia television audio-visual devices, carry high frequency wideband digital signal simultaneously, comprising signal of video signal, voice signal, network signal, compact conformation is just arranged, anti-interference, the characteristics of high-frequency wideband.Along with the acceleration of digital multimedia TV is universal, the HDMI cable installation is more and more used as a kind of equipment of carry high frequency wideband digital signal.The general structure of HDMI cable installation comprises several antithetical phrase lines of outer jacket and insulating barrier parcel, and sub-line is the twisted wire structure, namely counts the antithetical phrase line and alongst mutually is reversed into spiral status, and the aluminium foil parcel is arranged.In actual use, the sub-line of multiply is not tight owing to arranging, and externally is prone to distortion under pressure, causes the breakage of aluminium foil, and then causes the appearance of electromagnetic interference.
This shows, still there is defective in above-mentioned existing HDMI cable installation, and demands urgently being improved.
Because the defective that above-mentioned existing HDMI cable installation exists, the design people is based on being engaged in this type of product design manufacturing for many years, amassing has abundant practical experience and professional knowledge, positive research and innovation in addition, to founding a kind of HDMI cable installation, can improve the general molding structure of existing HDMI cable installation on the market, make it have more competitiveness.Through constantly research, design, and after repeatedly studying sample and improvement, finally create the utility model that has practical value.
Summary of the invention
Technical problem underlying to be solved in the utility model is, overcome the defective that existing HDMI cable installation exists, and provide a kind of cable installation of high-definition multimedia digital data transmission, overcome the defective that existing HDMI cable installation exists, improve the tightness degree of HDMI cable installation, and then improved the high-definition data transmission effect of HDMI cable installation.
The utility model solves its technical problem underlying and realizes by the following technical solutions.cable installation according to the high-definition multimedia digital data transmission that the utility model proposes, by outer jacket, the tin-coated copper braid over braid, aluminium foil, the PET band, twisted component wires, single-core line and interstitial wire form, PET band parcel is one twisted component wires at least, at least one single-core line and one interstitial wire at least, the coated outside aluminium foil of PET band, the coated outside tin-coated copper braid over braid of aluminium foil, the coated outside outer jacket of tin-coated copper braid over braid, twisted component wires is by two heart yearns, , an anti-electromagnetic interference ground wire, insulating barrier and aluminium foil wheat are drawn composition, the aluminium foil wheat is drawn with two heart yearns of the wrapped parcel of helical form, insulating barrier parcel aluminium foil draws and an anti-electromagnetic interference ground wire by wheat, twisted component wires surrounds square shape on cross section, have one single-core line at least and at least one interstitial wire be positioned at the centre of square shape, there is one single-core line at least to be positioned at four angles of square shape, described anti-electromagnetic interference ground wire is the naked metal wire that multiply metal fine strand system forms, described heart yearn is comprised of heart yearn metal wire and core insulation layer, the core insulation layer wraps up the heart yearn metal wire equably, described single-core line is comprised of single-core line metal wire and single-core line insulating barrier, the single-core line insulating barrier is parcel form heart yearn metal wire equably, the cross section of described interstitial wire is ellipticity.
The cable installation of high-definition multimedia digital data transmission described in the utility model, the beneficial effect of its generation is: split conductor surrounds square shape on cross section, add the filling effect of interstitial wire, make the structure of cable installation tightr, withstand voltage properties improves, and then has promoted the reliability of cable installation; Anti-electromagnetic interference ground wire is the naked metal wire that multiply metal fine strand system forms, the contact area of comparing single metal wire in the contact area of welding position metal fine bundle and pad like this wants large, increase the fastness of pad, and then improved the reliability of the cable installation of high-definition multimedia digital data transmission.
Description of drawings
Fig. 1 is the cross-sectional structure schematic diagram of embodiment of the present utility model.
Description of reference numerals: 1, outer jacket; 2, tin-coated copper braid over braid; 3, aluminium foil; 4, PET band; 5, interstitial wire; 6, twisted component wires; 7, single-core line; 8, anti-electromagnetic interference ground wire; 61, core insulation layer; 62, heart yearn metal wire; 63, the aluminium foil wheat is drawn; 64, insulating barrier; 71, single-core line insulating barrier; 72, single-core line metal wire.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to according to its embodiment, structure, feature and the effect thereof that the utility model proposes, be described in detail as follows.
see also shown in Figure 1, the cable installation of high-definition multimedia digital data transmission of the present utility model, by outer jacket 1, tin-coated copper braid over braid 2, aluminium foil 3, PET is with 4, twisted component wires 6, single-core line 7 and interstitial wire 5 form, PET is with four strands of twisted component wires 6 of 4 parcels, seven strands of single-core lines 7 and two strands of interstitial wires 5, PET is with 4 coated outside aluminium foil 3, the coated outside tin-coated copper braid over braid 2 of aluminium foil 3, the coated outside outer jacket 1 of tin-coated copper braid over braid 2, twisted component wires 6 is by two heart yearns, , an anti-electromagnetic interference ground wire 8, insulating barrier 64 and aluminium foil wheat draw 63 to form, the aluminium foil wheat draws 63 with two heart yearns of the wrapped parcel of helical form, insulating barrier 64 parcel aluminium foil wheats are drawn 63 and anti-electromagnetic interference ground wires 8, twisted component wires 6 surrounds square shape on cross section, there are three strands of single-core lines 7 and two strands of interstitial wires 5 to be positioned at the centre of square shape, there are four strands of single-core lines 7 to be positioned at four angles of square shape, the naked metal wire that anti-electromagnetic interference ground wire 8 forms for multiply metal fine strand system, heart yearn is comprised of heart yearn metal wire 62 and core insulation layer 61, and core insulation layer 61 wraps up heart yearn metal wire 62 equably, single-core line 7 is comprised of single-core line metal wire 72 and single-core line insulating barrier 71, and single-core line insulating barrier 71 is parcel form heart yearn metal wire 72 equably, the cross section of interstitial wire 5 is ellipticity.
The above, it is only preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does.
Claims (1)
1. the cable installation of a high-definition multimedia digital data transmission, by outer jacket, the tin-coated copper braid over braid, aluminium foil, the PET band, twisted component wires, single-core line and interstitial wire form, described PET band parcel is one twisted component wires at least, at least one single-core line and one interstitial wire at least, the coated outside aluminium foil of PET band, the coated outside tin-coated copper braid over braid of described aluminium foil, the coated outside outer jacket of described tin-coated copper braid over braid, described twisted component wires is by two heart yearns, , an anti-electromagnetic interference ground wire, insulating barrier and aluminium foil wheat are drawn composition, described aluminium foil wheat is drawn with two heart yearns of the wrapped parcel of helical form, described insulating barrier parcel aluminium foil wheat is drawn and an anti-electromagnetic interference ground wire, it is characterized in that: described twisted component wires surrounds square shape on cross section, have one single-core line at least and at least one interstitial wire be positioned at the centre of square shape, there is one single-core line at least to be positioned at four angles of square shape, described anti-electromagnetic interference ground wire is the naked metal wire that multiply metal fine strand system forms, described heart yearn is comprised of heart yearn metal wire and core insulation layer, the core insulation layer wraps up the heart yearn metal wire equably, described single-core line is comprised of single-core line metal wire and single-core line insulating barrier, the single-core line insulating barrier is parcel form heart yearn metal wire equably, the cross section of described interstitial wire is ellipticity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220670882 CN203013347U (en) | 2012-12-08 | 2012-12-08 | High-definition multimedia digital signal transmission cable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220670882 CN203013347U (en) | 2012-12-08 | 2012-12-08 | High-definition multimedia digital signal transmission cable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203013347U true CN203013347U (en) | 2013-06-19 |
Family
ID=48604914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220670882 Expired - Fee Related CN203013347U (en) | 2012-12-08 | 2012-12-08 | High-definition multimedia digital signal transmission cable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203013347U (en) |
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2012
- 2012-12-08 CN CN 201220670882 patent/CN203013347U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20141208 |
|
| EXPY | Termination of patent right or utility model |