CN203444791U - HDMI cable for high-definition videoaudio playback equipment - Google Patents
HDMI cable for high-definition videoaudio playback equipment Download PDFInfo
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- CN203444791U CN203444791U CN201320482152.0U CN201320482152U CN203444791U CN 203444791 U CN203444791 U CN 203444791U CN 201320482152 U CN201320482152 U CN 201320482152U CN 203444791 U CN203444791 U CN 203444791U
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Abstract
The utility model discloses an HDMI cable for high-definition videoaudio playback equipment. The HDMI cable at least comprises a connection unit, wherein the connection unit is composed of a plurality of metal stranded conductors arranged in parallel for being connected with an HDMI connector; and an insulation unit which is used for covering the outer surface of the main body of the connection unit to make the plurality of metal stranded conductors arranged in parallel and separated mutually. According to the utility model, a parallel structure in which the plurality of metal stranded conductors are arranged in parallel and attached to the insulation unit is adopted, the welding process can be performed after the one-step attaching forming process, the pin location definition artificial recognition does not need to be performed, the process flow can be greatly simplified, the manual operation can be reduced, and the production efficiency can be greatly improved.
Description
Technical field
The utility model relates to electric wire, relates in particular to a kind of electric wire for HDMI (High Definition Multimedia Interface).
Background technology
HDMI(High Definition Multimedia Interface) implication is HDMI (High Definition Multimedia Interface).HDMI interface can provide the data transfer bandwidth up to 5Gbps, can transmit audio signal and high definition video signal without compression.Without transmitting at signal advance row D/A or mould/number conversion, can guarantee that the video-audio signal of first water transmits simultaneously.HDMI is a kind of digitized video/audio interface technology, is widely used in HD video/audio transmission.HDMI line and HDMI connector form HDMI interface jointly.Therefore, on conversational implication, say, only need a HDMI line, just can transmit video-audio signal simultaneously, and unlike needing now many wire rods to connect; Meanwhile, due to wireless, carry out D/A or mould/number conversion, can obtain higher Voice & Video transmission quality.For consumer, HDMI technology can not only provide image quality clearly, and because audio/video adopts same cable, has greatly simplified the installation of household audio and video system.At present, HDMI mainly contains the HDMI line of 4 kinds of forms, is respectively A Type, B Type, and C Type and D Type, wherein B Type is 29pin, A, C, D are 19pin, the HDMI line that A Type is standard; Type B interface size is slightly large, but has 29 pins, and double T MDS transmission channel can be provided, and therefore supports that higher data transmission rate is connected with Dual-Link DVI; And C Type is mainly used in mancarried device, such as: DV, digital camera etc.; D Type belongs to mini-port, is mainly used in mobile phone, MP4, MP5 etc.
Existing HDMI line structure, all to be formed by the circular twisted wire of multiply, the described a kind of HDMI wire rod of patent application 201020684119.2 for example, this wire rod comprises at least one heart yearn, the outer quilt of at least one outer twisted component wires and heart yearn, the inside of described heart yearn is provided with internal layer aluminium foil wheat and draws, interior twisted component wires, inner cascading water ground wire and anti-electromagnetic interference ground wire, outer wrap has outer foil wheat to draw, the outer quilt of anti-electromagnetic interference braid heart yearn and heart yearn, interior twisted component wires, outer twisted component wires is round layer structure, the insulating barrier that comprises conductor layer and outer setting thereof, the manufactured materials of conductor layer is that specification is the tinned wird of 36AWG, heart yearn external diameter is 3.6 ± 0.15 millimeters.But this structure tends to bring a lot of difficulties to processing, in minimum wire diameter, process a plurality of twisted wires, well imagine it is very difficult, processing cost is also higher simultaneously.
And these HDMI lines use twisted wire structures, add man-hour requirement it is carried out to sequence of operations, comprise de-outer quilt, dealuminzation paper tinsel, sleeve-penetrating, hot blast blowpipe, separated time, trimming core, could carry out welding operation to it after depoling line, and operation is a lot of, and separated time step need to be filled tin cream by two rows Pin, and heart yearn is divided into two rows welds, rely on the definition of manual identified pin position, and carry out separated time for pin position twisted pair wire.The inconvenience in processing be can bring like this, operation and cost increased.
Utility model content
Based on this, primary and foremost purpose of the present utility model is to provide a kind of HDMI line for HD video/audio-frequence player device, this HDMI line adopts the parallel placement of multiply metallic cable and the parallel construction of the insulation unit of fitting up and down, do not need the definition of manual identified pin position, maximization simplification technological process, reduce manual work, significantly improved production efficiency.
Another object of the present utility model is to provide a kind of HDMI line for HD video/audio-frequence player device, this HDMI line has the structure of flat wire, takes up room little, makes HDMI line of the present utility model more frivolous, greatly reduce the weight of HDMI line, reduce cost of manufacture.
Be to provide a kind of HDMI line for HD video/audio-frequence player device, this HDMI line can have good shield effectiveness another order of the present utility model, and characteristic impedance control range is accurate, stable, guarantees the stability of signal transmission.
For achieving the above object, the purpose of this utility model is achieved through the following technical solutions.
A HDMI line for HD video/audio-frequence player device, is characterized in that this HDMI line at least includes:
Linkage unit, described linkage unit forms by a plurality of metallic cables are parallel, for being connected with HDMI connector;
Insulation unit, is covered in the outer surface of described linkage unit main body, and a plurality of metallic cables are arranged in parallel, and isolation mutually.
Further, described HDMI line also includes screen unit, described screen unit and described insulation unit are all covered in the outer surface of described linkage unit, described screen unit from described linkage unit, be arranged in parallel outer surface or lower outer surface linkage unit is covered, described insulation unit covers linkage unit from another outer surface.
Described linkage unit, its metallic cable is cylindrical metal twisted wire.
Further, above-mentioned cylindrical metal twisted wire is 19+1 or 29+1 metallic cable, and wherein 19 or 29 metallic cables are existing function twisted wire, and 1 is earth terminal.This HDMI line increases an earth terminal on existing basis, in case stop signal decay.
Described linkage unit, it has a link, and described link does not arrange insulation unit, for being electrically connected to HDMI connector.
Further, the outer rim of the link of described linkage unit has a wire column, and described wire column laterally connects described a plurality of metallic cables, so that the separated time of metallic cable and interval only need to be cut away this wire column and just can directly be welded during welding.
Described insulation unit is that PET material is made, to reach the requirement of Halogen, to meet the needs of environmental protection.
Described screen unit, controls material for characteristic impedance, and specifically aluminium foil polyester band is made, to have the effect of control characteristic impedance.
Compared with prior art, the utility model embodiment has following beneficial effect.
The utility model adopts the parallel placement of multiply metallic cable and the parallel construction of the insulation unit of fitting up and down, after disposable assembly, can carry out welding processing, not need manual identified pin position definition, the simplification of maximization technological process, reduce manual work, significantly improved production efficiency.
Traditional HDMI line is used the whole parcel of aluminium foil twisted wire, and wraps up separately every signal transmission line and just can reach the effect of shield electromagnetic interference, and technique is loaded down with trivial details, and required human cost and material cost are high.The utility model is parallel lines structure, relies on surface to stick on the special characteristic impedance of one deck and controls material, reaches the object of shield electromagnetic interference and control characteristic impedance, shield effectiveness is good, characteristic impedance control range is accurate, stable, reaches 100 ± 10 Ω, further guarantees the stability of signal transmission.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model is implemented.
Fig. 2 is the cutaway view of the cross section of the line of HDMI shown in Fig. 1.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Shown in Fig. 1-Fig. 2, be of the present utility modelly embodied as a kind of HDMI line for HD video/audio-frequence player device, as shown in Figure 1, this HDMI line has: linkage unit 3, insulation unit 2 and screen unit 1.Wherein said linkage unit 3 forms by a plurality of metallic cables are parallel, for being connected with HDMI connector; Described insulation unit 2 is covered in the upper outer surface of described linkage unit main body, and a plurality of metallic cables are arranged in parallel, and isolation mutually.Described screen unit 1 is covered in the lower outer surface of a plurality of metallic cables, and the position of insulation unit 2 and screen unit 1 can exchange.
Conventionally, the metallic cable in linkage unit 3 is cylindrical metal twisted wire, preferably cylindrical, copper twisted wire.
Importantly, above-mentioned cylindrical, copper twisted wire is that 19+1 or 29+1 are individual, and wherein 19 or 29 copper stranded conductors are carried out existing function, and 1 that has more is earth terminal, in case stop signal decay.
Described linkage unit, it has a link 31, and described link 31 is exposed in air, insulation unit and screen unit is not set, for being electrically connected to HDMI connector.
And there is a wire column 4 in the outer rim of link 31, wire column 4 laterally all links together all cylindrical, copper twisted wires, so that the separated time of cylindrical, copper twisted wire and interval, avoid between cylindrical, copper twisted wire, producing and mutually overlapping and tangle in transportation, during actual production, only need to cut away this wire column 4 just can directly weld and (it should be noted that, wire column 4 is not necessary structure, in a variety of situations, wire column 4 can be set, and in common finished product, there is no a wire column 4 yet, wire column just arranges link design for temporary fixed in producing).
Described screen unit 1, controls material for the characteristic impedance that aluminium foil polyester band is made, and to have the effect of control characteristic impedance, improves the interference free performance of this HDMI line.
Through verification experimental verification, the HDMI line of the utility model made has following feature.
1, flex life is long: by waving number of times more than 5000 times, without short breaking phenomena.
2, characteristic impedance is controlled: the HDMI line that the utility model is implemented is parallel lines structure, relies on surface to stick on the special characteristic impedance of one deck and controls material, reaches the object of control characteristic impedance.Its control range is accurate, stable, reaches 100 ± 10 Ω, further guarantees the stability of signal transmission.
3, low cost of manufacture: be condensed into and produce link and raw material, yield is high, thus manufacturing cost reduced.
4, production efficiency is high: the simplification of maximization technological process, reduced manual work, significantly improved production efficiency.
5, structure outward appearance advantage: flat structure make HDMI line more frivolous, take up room little, also more attractive in appearance.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (8)
1. for a HDMI line for HD video/audio-frequence player device, it is characterized in that this HDMI line at least includes:
Linkage unit, described linkage unit forms by a plurality of metallic cables are parallel, for being connected with HDMI connector;
Insulation unit, is covered in the outer surface of described linkage unit main body, and a plurality of metallic cables are arranged in parallel, and isolation mutually.
2. the HDMI line for HD video/audio-frequence player device as claimed in claim 1, it is characterized in that described HDMI line also includes screen unit, described screen unit and described insulation unit are all covered in the outer surface of described linkage unit, described screen unit from described linkage unit, be arranged in parallel outer surface or lower outer surface linkage unit is covered, described insulation unit covers linkage unit from another outer surface.
3. the HDMI line for HD video/audio-frequence player device as claimed in claim 1, is characterized in that described linkage unit, and its metallic cable is cylindrical metal twisted wire.
4. the HDMI line for HD video/audio-frequence player device as claimed in claim 3, is characterized in that above-mentioned cylindrical metal twisted wire is 19+1 or 29+1 metallic cable, and wherein 19 or 29 metallic cables are existing function twisted wire, and 1 is earth terminal.
5. the HDMI line for HD video/audio-frequence player device as claimed in claim 1, is characterized in that described linkage unit, and it has a link, and described link does not arrange insulation unit.
6. the HDMI line for HD video/audio-frequence player device as claimed in claim 5, is characterized in that the outer rim of the link of described linkage unit has a wire column, and described wire column laterally connects described a plurality of metallic cables.
7. the HDMI line for HD video/audio-frequence player device as claimed in claim 1, is characterized in that described insulation unit is that PET material is made.
8. the HDMI line for HD video/audio-frequence player device as claimed in claim 2, is characterized in that described screen unit, for aluminium foil polyester band is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320482152.0U CN203444791U (en) | 2013-08-07 | 2013-08-07 | HDMI cable for high-definition videoaudio playback equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320482152.0U CN203444791U (en) | 2013-08-07 | 2013-08-07 | HDMI cable for high-definition videoaudio playback equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203444791U true CN203444791U (en) | 2014-02-19 |
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ID=50095819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320482152.0U Expired - Lifetime CN203444791U (en) | 2013-08-07 | 2013-08-07 | HDMI cable for high-definition videoaudio playback equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203444791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103390447A (en) * | 2013-08-07 | 2013-11-13 | 深圳市得润电子股份有限公司 | HDMI wire for high definition video/audio playing equipment |
-
2013
- 2013-08-07 CN CN201320482152.0U patent/CN203444791U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103390447A (en) * | 2013-08-07 | 2013-11-13 | 深圳市得润电子股份有限公司 | HDMI wire for high definition video/audio playing equipment |
| CN103390447B (en) * | 2013-08-07 | 2016-08-24 | 深圳市得润电子股份有限公司 | A kind of HDMI wire for HD video/audio-frequence player device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518107 Derun Electronic Industrial Park, 269 Huitong Road, Fenghuang street, Guangming District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN DEREN ELECTRONIC Co.,Ltd. Address before: 518107, Guangdong province Shenzhen Guangming New District Guangming Street, No. thirty-three Road, 9 Electronic Industrial Park run Patentee before: SHENZHEN DEREN ELECTRONIC Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |