CN108511120A - A kind of high-speed transfer cable for the conversion of HDMI signals - Google Patents
A kind of high-speed transfer cable for the conversion of HDMI signals Download PDFInfo
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- CN108511120A CN108511120A CN201810291660.8A CN201810291660A CN108511120A CN 108511120 A CN108511120 A CN 108511120A CN 201810291660 A CN201810291660 A CN 201810291660A CN 108511120 A CN108511120 A CN 108511120A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
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Abstract
The invention belongs to electronic technology fields, and in particular to a kind of high-speed transfer cable for the conversion of HDMI signals.The cable includes insulating outer layer, braiding layer and core wire group；Wherein, core wire group outer layer covers braiding layer, braiding layer outer wrapping insulating outer layer；The core wire group includes signal line group, several ground wires and power cord；The signal line group include four data lines to a, clock line to, HEAC lines, HPD lines, SCL lines, SDA line, CEC lines.The present invention passes through the redesign to circuit so that product signal transmission quality is good, and impedance is good, and transmission speed is fast；And this improvement also improves the transmission capacity of cable.
Description
Technical field
The invention belongs to electronic technology fields, and in particular to a kind of high-speed transfer cable for the conversion of HDMI signals.
Background technology
Be otherwise known as HDMI (High-definition Digital Multimedia Interface) HD digital
Multimedia video/audio interface is a kind of digitized video/audio interface technology, is that first support is transmitted in single cable, no
The digital interface of digital fine definition, multichannel audio and intelligent format and control command data through overcompression.It possesses
Outstanding high speed data transfer ability and the high integration power that can be transmitted with document-video in-pace, are had very wide transmission bandwidth, had
The ability of signal quality upgrading after reply, supports signal derived from the two-way communication of display equipment room, supports HDPC encryption functions
Copyright is effectively protected, it is small, and compatible DVI interface.Although HDMI have many advantages, HDMI cable compared with
When long, it may appear that the phenomenon that signal transmission is distorted.In the prior art, HDMI cable is generally collectively constituted by 19 lines, and structure is
Four strand circles, seven PE lines and a peripheral hardware ground wire, wherein per share coil includes a pair of of signal wire and a built-in ground wire again.Letter
Number line is responsible for supporting R, G, B and Clock function；PE lines are responsible for supporting CEC/DDC, SDA, SCL, Power Hot Plug
Detect and conducting function.And the sub-line of HDMI wire generally uses twisted wire structure at present, i.e., and it is several that sub-line is turned round along its length
Helical form is changed into, the centre distance between the sub-line of this structure is difficult to keep fixed, it may appear that the unstable problem of impedance, to
Influence transmission performance.
Chinese patent application CN102254592A discloses a kind of novel HDMI wire body, including insulating outer layer and outer by insulating
The core wire group of layer cladding, it is characterised in that：The core wire group include the first core wire group and with the first core wire group mutually independent the
Two core wire groups, the first core wire group and the second core wire group include several signal line groups and several ground wires, each signal wire
Group is coated with shielded layer, and several signal line groups are parallel to ground wire in the first core wire group and the second core wire group；It should
The novel HDMI wire body of invention can well solve heavy workload, efficiency caused by the core wire ranking in traditional HDMI wire body
The problem of low and high labor cost.Chinese patent application CN102723129A discloses a kind of HDMI connecting lines, including five
Strand circle, four PE lines, a peripheral hardware ground wire, aluminium foil, braiding layer and sheath；Five strands of circular coils and four PE lines are by Aluminium Foil Package
It wraps up in, braiding layer is set outside aluminium foil, peripheral hardware ground wire is embedded between aluminium foil and braiding layer, and braiding layer outer layer is equipped with sheath；It is wherein every
Strand circle include spread the wings aluminium foil package a pair of of signal wire and one in set ground wire, wherein conductor material is bare copper wire, the Shen
Please existing HDMI connecting lines are changed, the transmission of signal wire your ability is enhanced to a certain extent, reduces electric wire
Quantity further increases signal transmission quality, while electric wire can also be kept working properly.
In the prior art, the stability of construction, anti-short circuit, drop decaying and winding displacement are concentrated mainly on for the improvement of HDMI wire
Technique simplifies aspect, and, the inner core material of HDMI wire material less for the research in terms of cable material can be divided into iron core, close
The inner core material confrontation of Jin Xin, Jin Xin, silver core, fine copper core etc., HDMI wire material is very huge in transmission quality influence, therefore HDMI wire
Material ought to be taken seriously.
Invention content
The technical problem to be solved by the present invention is in view of the foregoing drawbacks, provide a kind of high speed for the conversion of HDMI signals
Transmission cable.The cable construction of stable, signal transmission quality is good, transmission speed is high, anti-short circuit, drop decaying.
To achieve the goals above, the present invention adopts the following technical scheme that：
A kind of high-speed transfer cable for the conversion of HDMI signals, including insulating outer layer, braiding layer and core wire group；Wherein,
Core wire group outer layer covers braiding layer, braiding layer outer wrapping insulating outer layer；The core wire group includes signal line group, several ground wires and electricity
Source line；The signal line group include four data lines to a, clock line to, HEAC lines, HPD lines, SCL lines, SDA line, CEC
Line.
Further, four data lines are to being respectively Data0, Data1, Data2 and Data3.
Further, every signal wire is wrapped up by insulating film in power cord and signal line group.
Further, insulating film uses PE expanded materials.
Further, each data line constitutes one to respectively constituting one coil, clock line pair with a ground wire with a ground wire
Strand circle, HEAC lines, HPD lines and ground wire constitute one coil.
Further, signal wire and ground wire use the in line structure of wire body in per share coil.
Further, per share coil is coated with shielded layer.
Further, shielded layer is selected from copper foil or tinfoil paper.
Further, each shielded layer is coated with nonwoven layer.
Further, also include one layer of aluminium foil outside core wire group and in braiding layer.
Further, the core wire of signal-line choosing alloy material；The core wire composition includes Ni, Pt, Te and Cu.
Further, the core wire composition is Ni1.0-1.2%, Pt0.1-0.3%, Te 0.15- by weight percentage
0.55%, surplus Cu.
Further, the preparation method of the core wire includes the following steps：
(1) example meter takes each metal in mass ratio, and the salt acid soak 10-15min of mass fraction 4% is used in combination to remove surface oxidation
Object, then with washes of absolute alcohol, drying；
(2) Cu is heated in a furnace and is allowed to melt, Ni stirrings are added, wait for that it is completely melt to obtain molten liquid I；
(3) Pt and Te are heated in a furnace and is allowed to melt, obtain molten liquid II；
(4) molten liquid I is mixed with molten liquid II, stirs 15-20min, obtains molten liquid III；
(5) molten liquid III carries out degasification, and ingot casting of casting to obtain by online off gas system；
(6) ingot casting is rapid cooling into after rolling, and is cooled to room temperature；
(7) take-up, take-up mode carry out take-up using solid matter winding method.
Further, in step (5), ingot casting of casting at 1100-1150 DEG C to obtain, casting rate 3t/h.
Further, in step (6), ingot casting is rapidly cooled to 750-800 DEG C into after rolling, and is dropped later with 10-15 DEG C/min
Temperature is to room temperature.
Compared with prior art, it the present invention provides a kind of high-speed transfer cable for the conversion of HDMI signals, supports more
The transmission of kind video format；Pass through the redesign to circuit so that product signal transmission quality is good, and impedance is good, transmission speed
Soon；And this improvement also improves the transmission capacity of cable.New design uses the in line structure of signal wire, solves pair twist structure
The low problem of caused heavy workload, efficiency；And this structure can ensure the signal synchronization degree between signal wire.In coil
Outer shielded layer adds nonwoven layer, can be with the characteristic impedance of Regulate signal line, moreover it is possible to avoid wire body occur it is larger bending or
Caused shielded layer loosens the time limit long, and efficiency weakens phenomenon.It is pure the present invention also provides a kind of alloy inner core and preparation method thereof
Although copper wires electric conductivity is very good, it is low that there are tensile strength, and contact line intensity is relatively low when high temperature, it is easy to soft
Change, the problem of abrasion resistance difference, and the present invention obtains Cu-Ni-Pt-Te according to the performance of metal by a large amount of creative works
Alloy not only has good electric conductivity using technical solution of the present invention, but also tensile strength is high, wear-resisting property is good, than general
HDMI cable is more resistant to bending, wear-resistant and stretch, and image quality is high, supports high resolution, transmission speed is fast, very great Cheng
The service life of cable is increased on degree.
Description of the drawings
Fig. 1 is the schematic diagram of the topology example of the high-speed transfer cable of HDMI signals conversion.
Fig. 2 is the schematic diagram of another topology example of the high-speed transfer cable of HDMI signals conversion.
Wherein, 1, insulating outer layer；2, braiding layer；3, aluminium foil；4, nonwoven layer；5、Data0；6, shielded layer；7, insulating film；
8、Data1；9, ground wire；10, CEC lines；11、Data2；12, SCL lines；13、Data3；14、Clock；15, SDA line；16、HPD
Line；17, HEAC lines；18, power cord.
Specific implementation mode
The present invention is further elaborated with reference to embodiments.These embodiments be only for illustrative purposes,
And do not limit the scope of the invention and essence.For those of ordinary skill in the art to which the present invention belongs, it is not departing from
Under the premise of inventive concept, a number of simple deductions or replacements can also be made, is regarded as belonging to the scope of protection of the present invention.
Spare time, the present invention will be further described in detail in conjunction with attached drawing.These attached drawings are simplified schematic diagram, only to show
Meaning mode illustrates the basic structure of the present invention.
Embodiment 1
A kind of core wire of alloy material；The core wire composition is Ni1.0%, Pt0.1%, Te by weight percentage
0.15%, Cu98.75%.
Further, the preparation method of the core wire includes the following steps：
(1) example meter takes each metal in mass ratio, and the salt acid soak 10min of mass fraction 4% is used in combination to remove oxide on surface,
Washes of absolute alcohol, drying are used again；
(2) Cu is heated in a furnace and is allowed to melt, Ni stirrings are added, wait for that it is completely melt to obtain molten liquid I；
(3) Pt and Te are heated in a furnace and is allowed to melt, obtain molten liquid II；
(4) molten liquid I is mixed with molten liquid II, stirs 20min, obtains molten liquid III；
(5) molten liquid III carries out degasification by online off gas system, and ingot casting of casting to obtain at 1100 DEG C, casting rate are
3t/h。
(6) ingot casting is rapidly cooled to 800 DEG C into after rolling, and is cooled to room temperature later with 15 DEG C/min；
(7) take-up, take-up mode carry out take-up using solid matter winding method.
Embodiment 2
A kind of core wire of alloy material；The core wire composition is Ni1.2%, Pt0.3%, Te by weight percentage
0.55%, Cu97.95%.
Further, the preparation method of the core wire includes the following steps：
(1) example meter takes each metal in mass ratio, and the salt acid soak 15min of mass fraction 4% is used in combination to remove oxide on surface,
Washes of absolute alcohol, drying are used again；
(2) Cu is heated in a furnace and is allowed to melt, Ni stirrings are added, wait for that it is completely melt to obtain molten liquid I；
(3) Pt and Te are heated in a furnace and is allowed to melt, obtain molten liquid II；
(4) molten liquid I is mixed with molten liquid II, stirs 15min, obtains molten liquid III；
(5) molten liquid III carries out degasification by online off gas system, and ingot casting of casting to obtain at 1150 DEG C, casting rate are
3t/h。
(6) ingot casting is rapidly cooled to 750 DEG C into after rolling, and is cooled to room temperature later with 10 DEG C/min；
(7) take-up, take-up mode carry out take-up using solid matter winding method.
Embodiment 3
A kind of core wire of alloy material；The core wire composition is Ni1.0%, Pt0.25%, Te by weight percentage
0.40%, Cu98.35%.
Further, the preparation method of the core wire includes the following steps：
(1) example meter takes each metal in mass ratio, and the salt acid soak 15min of mass fraction 4% is used in combination to remove oxide on surface,
Washes of absolute alcohol, drying are used again；
(2) Cu is heated in a furnace and is allowed to melt, Ni stirrings are added, wait for that it is completely melt to obtain molten liquid I；
(3) Pt and Te are heated in a furnace and is allowed to melt, obtain molten liquid II；
(4) molten liquid I is mixed with molten liquid II, stirs 12min, obtains molten liquid III；
(5) molten liquid III carries out degasification by online off gas system, and ingot casting of casting to obtain at 1120 DEG C, casting rate are
3t/h。
(6) ingot casting is rapidly cooled to 800 DEG C into after rolling, and is cooled to room temperature later with 10 DEG C/min；
(7) take-up, take-up mode carry out take-up using solid matter winding method.
Embodiment 4
Influence of the variation of composition of alloy for core wire physical property in core wire.
The proportioning that core wire in embodiment 3 is formed changes, and preparation method is constant.Concrete component content and core wire physical property referring to
Table 1.
Influence of the 1 different component content of table to core wire physical property
Embodiment 5
Core wire prepared by the present invention is compared with the physical property of commercially available core wire.
Influence of the 1 different component content of table to core wire physical property
| The trade mark | Conductivity (%IACS) | Tensile strength (MPa) | |
| Cu-Ni-Pt-Te | Embodiment 1 | 91 | 628 |
| Cu-Ni-Pt-Te | Embodiment 2 | 91 | 642 |
| Cu-Ni-Pt-Te | Embodiment 3 | 93 | 650 |
| Brass | Cu4Ni3Al1Co | 25 | 850 |
| Cu-Ni-Sn | Cu9Ni6Sn | 12 | 1110 |
| Cu-Ni-Si | Cu1.4Ni1.1Co0.6Si | 55 | 950 |
| Tin-phosphor bronze | C51100 | 25 | 750 |
| Fine copper | YJV3*185 | 97 | 300 |
Embodiment 6
As shown in Figure 1, a kind of high-speed transfer cable for the conversion of HDMI signals, including insulating outer layer (1), braiding layer
(2) and core wire group；Wherein, core wire group outer layer covers braiding layer, braiding layer outer wrapping insulating outer layer；Outside core wire group and in braiding layer
Also include one layer of aluminium foil (3)；Core wire group includes signal line group, several ground wires (9) and power cord (18)；Signal line group includes four
A data line is to a, clock line to (14), HEAC lines (17), HPD lines (16), SCL lines (12), SDA line (15), CEC lines
(10)；Four data lines are to being respectively Data0 (5), Data1 (8), Data2 (11) and Data3 (13).Power cord and signal wire
Every signal wire is wrapped up by insulating film (7) in group；Insulating film (7) uses PE expanded materials.Each data line to respectively with one
Ground wire constitutes one coil, and clock line pair constitutes one coil with a ground wire, and HEAC lines, HPD lines and ground wire constitute a strand
Circle；Signal wire and ground wire use the in line structure of wire body in per share coil；Per share coil is coated with shielded layer (6)；Shield layer choosing
From copper foil or tinfoil paper；Each shielded layer is coated with nonwoven layer (4).The core wire of signal-line choosing alloy material, the core wire are adopted
It is prepared with the method for embodiment 3.
Embodiment 7
As shown in Fig. 2, being the schematic diagram of another topology example of the high-speed transfer cable of HDMI signals conversion.Including insulation
Outer layer (1), braiding layer (2) and core wire group；Wherein, core wire group outer layer covers braiding layer, braiding layer outer wrapping insulating outer layer；Core wire
Also include one layer of aluminium foil (3) outside group and in braiding layer；Core wire group includes signal line group, several ground wires (9) and power cord (18)；
Signal line group includes four data lines to a, clock line to (14), HEAC lines (17), HPD lines (16), SCL lines (12), SDA
Line (15), CEC lines (10)；Four data lines are to being respectively Data0 (5), Data1 (8), Data2 (11) and Data3 (13).Electricity
Every signal wire is wrapped up by insulating film (7) in source line and signal line group；Insulating film (7) uses PE expanded materials.Each data
Line constitutes one coil, HEAC lines, HPD lines and ground to respectively constituting one coil, clock line pair with a ground wire with a ground wire
Line constitutes one coil；Signal wire and ground wire use the in line structure of wire body in per share coil；Per share coil is coated with shielded layer
(6)；Shielded layer is selected from copper foil or tinfoil paper；Each shielded layer is coated with nonwoven layer (4).The core of signal-line choosing alloy material
Line, the core wire are prepared using the method for embodiment 3.
The cable is identical as Fig. 1 compositions, and structure is similar, and only the cross sectional shape of cable becomes flat by circle, easy in this way
In establishing impedance, it is more convenient installation, is suitable for the demand of different face shapings.
The technical solution of the application, links linking is close, and collocation is reasonable, indispensable, this specific combination structure
At product design, produce apparent synergistic function.
The foregoing is merely the preferred embodiments of the application, are not intended to limit the scope of the claims of the application, every utilization
Equivalent structure or equivalent flow shift made by present specification is applied directly or indirectly in other relevant technology necks
Domain includes similarly in the scope of patent protection of the application.
Claims (10)
1. a kind of high-speed transfer cable for the conversion of HDMI signals, it is characterised in that：Including insulating outer layer, braiding layer and core wire
Group；Wherein, core wire group outer layer covers braiding layer, braiding layer outer wrapping insulating outer layer；The core wire group includes signal line group, several
Ground wire and power cord；The signal line group include four data lines to a, clock line to, HEAC lines, HPD lines, SCL lines, SDA
Line, CEC lines.
2. cable according to claim 1, which is characterized in that every signal wire quilt in the power cord and signal line group
Insulating film wraps up.
3. cable according to claim 1, which is characterized in that each data line with a ground wire to respectively constituting a strand
Circle, clock line pair constitute one coil with a ground wire, and HEAC lines, HPD lines and ground wire constitute one coil.
4. cable according to claim 3, which is characterized in that per share coil is coated with shielded layer.
5. cable according to claim 4, which is characterized in that each shielded layer is coated with nonwoven layer.
6. cable according to claim 1, which is characterized in that also include one layer of aluminium foil outside core wire group and in braiding layer.
7. cable according to claim 1, which is characterized in that the core wire of signal-line choosing alloy material；The core wire group
At including Ni, Pt, Te and Cu.
8. cable according to claim 7, which is characterized in that the preparation method of the core wire includes the following steps：
(1) example meter takes each metal in mass ratio, and the salt acid soak 10-15min of mass fraction 4% is used in combination to remove oxide on surface,
Washes of absolute alcohol, drying are used again；
(2) Cu is heated in a furnace and is allowed to melt, Ni stirrings are added, wait for that it is completely melt to obtain molten liquid I；
(3) Pt and Te are heated in a furnace and is allowed to melt, obtain molten liquid II；
(4) molten liquid I is mixed with molten liquid II, stirs 15-20min, obtains molten liquid III；
(5) molten liquid III carries out degasification, and ingot casting of casting to obtain by online off gas system；
(6) ingot casting is rapid cooling into after rolling, and is cooled to room temperature；
(7) take-up, take-up mode carry out take-up using solid matter winding method.
9. cable according to claim 8, which is characterized in that in step (5), ingot casting of casting at 1100-1150 DEG C to obtain pours
Teeming speed degree is 3t/h.
10. cable according to claim 8, which is characterized in that in step (6), ingot casting is rapidly cooled to 750- into after rolling
800 DEG C, room temperature is cooled to 10-15 DEG C/min later.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810291660.8A CN108511120B (en) | 2018-04-03 | 2018-04-03 | High-speed transmission cable for HDMI signal conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810291660.8A CN108511120B (en) | 2018-04-03 | 2018-04-03 | High-speed transmission cable for HDMI signal conversion |
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| Publication Number | Publication Date |
|---|---|
| CN108511120A true CN108511120A (en) | 2018-09-07 |
| CN108511120B CN108511120B (en) | 2021-04-13 |
Family
ID=63380160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810291660.8A Active CN108511120B (en) | 2018-04-03 | 2018-04-03 | High-speed transmission cable for HDMI signal conversion |
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Cited By (4)
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| CN109859886A (en) * | 2019-01-08 | 2019-06-07 | 芜湖航天特种电缆厂股份有限公司 | New energy intelligent automobile bus cable |
| CN110033898A (en) * | 2019-02-18 | 2019-07-19 | 济宁市海富电子科技有限公司 | A kind of HDMI cable |
| TWI752712B (en) * | 2020-11-04 | 2022-01-11 | 力生機械有限公司 | High frequency transmission cable with interactive grows and transmission cable sets thereof |
| CN114388194A (en) * | 2021-01-18 | 2022-04-22 | 吕晓政 | Low capacitance cable and variable capacitance switch |
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| WO2017008379A1 (en) * | 2015-07-10 | 2017-01-19 | 深圳市和宏实业股份有限公司 | Multifunctional connector and composite cable thereof |
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| CN109859886A (en) * | 2019-01-08 | 2019-06-07 | 芜湖航天特种电缆厂股份有限公司 | New energy intelligent automobile bus cable |
| CN110033898A (en) * | 2019-02-18 | 2019-07-19 | 济宁市海富电子科技有限公司 | A kind of HDMI cable |
| TWI752712B (en) * | 2020-11-04 | 2022-01-11 | 力生機械有限公司 | High frequency transmission cable with interactive grows and transmission cable sets thereof |
| CN114388194A (en) * | 2021-01-18 | 2022-04-22 | 吕晓政 | Low capacitance cable and variable capacitance switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108511120B (en) | 2021-04-13 |
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