CN107993754A - A kind of anti-EMC flat cables of high-definition multimedia digital data transmission - Google Patents
A kind of anti-EMC flat cables of high-definition multimedia digital data transmission Download PDFInfo
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- CN107993754A CN107993754A CN201711020406.6A CN201711020406A CN107993754A CN 107993754 A CN107993754 A CN 107993754A CN 201711020406 A CN201711020406 A CN 201711020406A CN 107993754 A CN107993754 A CN 107993754A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 104
- 229910052751 metal Inorganic materials 0.000 claims abstract description 104
- 239000004020 conductor Substances 0.000 claims description 35
- 239000005030 aluminium foil Substances 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 abstract description 6
- 230000006870 function Effects 0.000 abstract description 4
- 238000003032 molecular docking Methods 0.000 abstract description 4
- 238000004806 packaging method and process Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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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
- H01B7/08—Flat or ribbon cables
- H01B7/0807—Twin conductor or cable
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- 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
-
- 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
- H01B7/08—Flat or ribbon cables
- H01B7/0823—Parallel wires, incorporated in a flat insulating profile
-
- 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
- H01B7/08—Flat or ribbon cables
- H01B7/0861—Flat or ribbon cables comprising one or more screens
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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
- H01B7/08—Flat or ribbon cables
- H01B7/0869—Flat or ribbon cables comprising one or more armouring, tensile- or compression-resistant elements
-
- 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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- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The present invention discloses a kind of anti-EMC flat cables of high-definition multimedia digital data transmission; including signal control line combination and data cable combination; 4 groups of signal control lines and 2 groups of data cables are arranged in a row; external protection is coated again; so; whole cable is in flat, and transmission volume is substantially reduced from structure, its thinner structure has been reduced to the difficulty in wiring and work progress；In addition, the conducting wire inside flat cable has substantially sequenced line sequence, as long as 2 data lines are somewhat adjusted with terminal docking directly corresponding with connector, packaging efficiency is improved, easy to automate rapid welding operation.Especially, signal control line combines and data cable combination uses multilayer screen structure, its metal screen layer and metal wire shielding layer make exterior EMC shielding impedances minimum, so that EMC noises can run through metal mesh ground connection export, EMC safeguard functions are improved on the basis of realizing that high-definition data shows signal transmission.
Description
Technical field
The present invention relates to cable field technology, and it is flat to refer in particular to a kind of anti-EMC of high-definition multimedia digital data transmission
Cable.
Background technology
Existing HDMI transmission lines, external form point have flat type and round shape, include data cable, letter respectively in its inside structure
Number control line, shielded layer, PVC sheath, place outside general shielded layer cladding data cable and signal control line and reenter PVC sheath, its
Middle shielded layer generally comprises aluminium-foil paper and shielding braid net, and four groups of data and one group of signal control line, periphery are coated by aluminium-foil paper
If one layer of shielding braid net reenters PVC sheath.
There is following drawback in actual use for the HDMI transmission lines of said structure：1st, data cable and signal are included
Control line is more, and in connection, data cable cannot reasonably be distinguished with signal wire and is connected, it is impossible to effectively realizes high definition display letter
Number transmission；2nd, its conducting wire is more, and shielded layer is only set outside all conducting wires, is interfered with each other within unlike signal line and electric wire,
Cannot effectively anti-EMC；3rd, cable overall structure volume is all bigger, is unfavorable for wiring operation, particularly through walls to wait construction operation.
The content of the invention
In view of this, in view of the deficiencies of the prior art, the present invention aims to provide a kind of high more matchmakers of parsing
The anti-EMC flat cables of body digital data transmission.
To achieve the above object, the present invention is using following technical solution：
A kind of anti-EMC flat cables of high-definition multimedia digital data transmission, including
One signal control line combine, be provided with from outside to inside signal wire metal wire shielding layer, external signal line metallized shield,
Middle tegillum and 4 groups of signal control lines side by side, every group signal control line are respectively provided with internal signal wire metallized shield, inside this
Two signal wire metallic conductors with signal wire insulating layer of parcel add a bare metal signal in signal wire metallized shield
Line ground wire；
One data cable combines, and is made of 2 groups of data cables side by side, and the 1st group of data cable is provided with the 1st data cable gold from outside to inside
Belong to silk shielded layer, the 1st data wire metal paper shielded layer, 4 articles of parcel is exhausted with data cable in the 1st data wire metal paper shielded layer
The data wire metal conductor of edge layer adds a bare metal data cable ground wire；2nd group of data cable is provided with the 2nd data cable from outside to inside
Metal wire shielding layer, the 2nd data wire metal paper shielded layer, interior 3 articles of the parcel of the 2nd data wire metal paper shielded layer carry data cable
The data wire metal conductor of insulating layer adds a bare metal data cable ground wire；
One external protection, cladding is placed on signal control line combination and data cable combination is outer, a plurality of signal control line and data cable row
In a row, it is in flat to make external protection.
As a preferred embodiment, two signal line metallic conductors of the signal control line or so are set, two bars
The signal line insulating layer of line metallic conductor is in contact, and a bare metal signal wire ground wire is located at lower section, at the same with two signal lines
The signal line insulating layer of metallic conductor is in contact, and the internal signal wire metallized shield is coated on exterior oval.
As a preferred embodiment, there is gap between adjacent two signal control line, is not in contact with each other each other, the middle quilt
Layer, external signal line metallized shield, signal wire metal wire shielding layer are covered in outside rows of signal control line in flat successively
It is flat-shaped.
As a preferred embodiment, 4 data line metallic conductor upper lefts, upper right, lower-left, the lower right of the 1st group of data cable
To arrangement, a bare metal data cable ground wire is located at lower section, with lower-left and the data cable of two data line metallic conductors of bottom right
Insulating layer is in contact；
Upper, lower-left, lower right arrangement, a bare metal data cable ground wire in 3 data line metallic conductors of the 2nd group of data cable
Positioned at lower section, it is in contact with the data line insulating layer of lower-left, two data line metallic conductors of bottom right.
As a preferred embodiment, the 1st data wire metal silk shielded layer and the 2nd data wire metal silk shielded layer are in
Circle, the two contacts with each other.
As a preferred embodiment, the signal wire metal wire shielding layer, the 1st data wire metal silk shielded layer and the 2nd number
It is woven wire cloth according to line metal wire shielding layer.
As a preferred embodiment, the external signal line metallized shield, internal signal wire metallized shield,
1 data wire metal paper shielded layer, the 2nd data wire metal silk shielded layer are to cover shaping by aluminium foil paper roll.
As a preferred embodiment, the middle tegillum is by the compressing flat structure of PVC material.
As a preferred embodiment, the signal line insulating layer and data line insulating layer are that high density PE passes through physical blowing
Shaping.
The present invention has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technical proposal
Understand, it to be combined mainly due to there is provided signal control line combination and data cable, by 4 groups of signal control lines and 2 groups of data cables
It is arranged in a row, then coats external protection, in this way, whole cable is in flat, transmission volume is substantially reduced from structure, it is more
Thin structure has been reduced to the difficulty in wiring and work progress；In addition, the conducting wire inside flat cable has substantially sequenced
Line sequence, as long as 2 data lines are somewhat adjusted with terminal docking directly corresponding with connector, improves packaging efficiency, just
In automation rapid welding operation.Especially, signal control line combination and data cable combination use multilayer screen structure, its gold
Belonging to shielded layer and metal wire shielding layer makes exterior EMC shielding impedances minimum, so that EMC noises can run through metal mesh ground connection
Export, EMC safeguard functions are improved on the basis of realizing that high-definition data shows signal transmission.
More clearly to illustrate the architectural feature and effect of the present invention, come below in conjunction with the accompanying drawings with specific embodiment to this hair
It is bright to be described in detail.
Brief description of the drawings
Fig. 1 is the schematic perspective view of embodiments of the present invention.
Fig. 2 is the sectional view of embodiments of the present invention.
Attached drawing identifier declaration：
10th, signal control line combination 11, signal wire metal wire shielding layer
12nd, external signal line metallized shield 13, middle tegillum
14th, signal control line 141, internal signal wire metallized shield
142nd, signal line insulating layer 143, signal wire metallic conductor
144th, bare metal signal wire ground wire 20, data cable combination
21st, the 1st group of data cable 211, the 1st data wire metal silk shielded layer
212nd, the 1st data wire metal paper shielded layer 213, data line insulating layer
214th, data wire metal conductor 215, bare metal data cable ground wire
22nd, the 2nd group of data cable 221, the 2nd data wire metal silk shielded layer
222nd, the 2nd data wire metal paper shielded layer 223, data line insulating layer
224th, bare metal data cable ground wire 225, bare metal data cable ground wire
30th, external protection.
Embodiment
It refer to shown in Fig. 1 and Fig. 2, that show the concrete structure of the preferred embodiments of the invention, is a kind of high solution
Analyse multimedia digital signal and transmit anti-EMC flat cables, including signal control line combination 10, data cable combination 20, external protection
30。
Wherein, the signal control line combination 10 is provided with signal wire metal wire shielding layer 11, external signal from outside to inside
The signal control line 14 of line metallized shield 12, middle tegillum 13 and 4 groups side by side.Every group of signal control line 14 is respectively provided with internal letter
Number line metallized shield 141, parcel two carries signal wire insulating layer 142 in the internal signal wire metallized shield 141
Signal wire metallic conductor 143 plus a bare metal signal wire ground wire 144.
In the present embodiment, two signal line metallic conductors 143 or so of the signal control line 14 are set, two signal lines
The signal line insulating layer 142 of metallic conductor 143 is in contact, and a bare metal signal wire ground wire 144 is located at lower section, at the same with two
The signal line insulating layer 142 of signal wire metallic conductor 143 is in contact, then wraps the internal signal wire metallized shield 141
It is overlying on exterior oval.In addition, having gap between adjacent two signal control line 14, be not in contact with each other each other, then make it is described in
Tegillum 13, external signal line metallized shield 12, signal wire metal wire shielding layer 11 are covered in rows of signal control successively
It is in flat outside line 14.
The data cable combination 20 is made of 2 groups of data cables side by side.1st group of data cable 21 is provided with from outside to inside
In 1 data wire metal silk shielded layer 211, the 212, the 1st data wire metal paper shielded layer 212 of the 1st data wire metal paper shielded layer
Data wire metal conductor 214 plus a bare metal data cable ground wire 215 of the parcel 4 with data cable insulating layer 213.2nd group
Data cable 22 is provided with the 2nd data wire metal silk shielded layer 221, the 2nd data wire metal paper shielded layer 222 from outside to inside, and the 2nd
Data wire metal conductor 224 plus one of the parcel 3 with data cable insulating layer 223 are naked in data wire metal paper shielded layer 222
Data line metal ground wire 225.
More specifically, 4 data line metallic conductor, 214 upper left of the 1st group of data cable 21, upper right, lower-left, lower right
Arrangement, a bare metal data cable ground wire 215 is located at lower section, with lower-left and the number of two data line metallic conductors 214 of bottom right
It is in contact according to line insulating layer 213.Upper, lower-left, lower right row in 3 data line metallic conductors 224 of the 2nd group of data cable 22
Cloth, a bare metal data cable ground wire 225 are located at lower section, with lower-left, the data cable of two data line metallic conductors 224 of bottom right
Insulating layer 223 is in contact.The 1st data wire metal silk shielded layer 211 and the 1st data wire metal silk shielded layer 221 are in circle
Shape, the two contacts with each other, and the width of cable finished product is reduced with maximum program.
The cladding of external protection 30 is placed on outside signal control line combination 10 and data cable combination 20, a plurality of signal control line
14 and data cable 21,22 be arranged in a row, it is in flat to make external protection 30.
In the present embodiment, the signal wire metal wire shielding layer 11, the 1st data wire metal silk shielded layer 211 and the 2nd data
Line metal wire shielding layer 221 is woven wire cloth.The external signal line metallized shield 12, internal signal wire metal
Paper shielded layer 141, the 1st data wire metal paper shielded layer 212, the 2nd data wire metal silk shielded layer 221 are by aluminium foil paper roll
Cover shaping.The middle tegillum 13 is by the compressing flat structure of PVC material.The signal line insulating layer 142 and data
Line insulating layer 213,223 is that high density PE is molded by physical blowing.
Using the above structure, signal control line combination 10 uses multilayer screen EMC, wherein, signal wire metal wire shielding layer
11 realize shielding for the first time, and external signal line metallized shield 12 is realized second and shielded, the shielding of internal signal wire metal foiled paper
Layer 141 realizes that third time shields, and is shielded for the first time with second of shielding action in exterior EMC, acts on for the third time every internal
14 independent EMC of signal control line is shielded, so as to reach 4 groups of 14 multilayer screen effects of signal control line, shielding uniformity is excellent.
And two data line also use multilayer screen EMC, wherein, the 1st data wire metal silk shielded layer the 211 and the 1st number
The exterior shield of the 1st group of data cable 21, the 2nd data wire metal silk shielded layer 221 and are realized according to line metallized shield 212
2 data wire metal paper shielded layers 222 realize the exterior shield of the 2nd group of data cable 22, so as to reach data cable EMC multilayer screens
Effect.
Since the exterior EMC shielding impedances of signal control line 14 and data cable 21,22 are minimum, so that EMC noises can be fast
Speed is grounded by metal mesh and exported, and EMC safeguard functions are improved on the basis of realizing that high-definition data shows signal transmission.
Further, since this kind of high-definition multimedia digital signal transmission line cable is in flat, substantially reduced from structure
Volume is transmitted, its thinner structure has been reduced to the difficulty in wiring and work progress, and during cable wiring manufacture, such a flat wire is dug
The depth of groove is much smaller than the depth of traditional round wires, and volume diminishes with respect to traditional round cable after the flat wire storage of the present invention,
So as to reduce memory space, it is readily transported and carries.
Further more, it is to be arranged in a row by 4 bars control lines 14 and 2 data lines 21,22, relative to traditional round cable
Speech, this kind of high-definition multimedia digital signal transmission line cable has substantially sequenced line sequence, as long as somewhat being adjusted just to 2 data lines
Can directly corresponding with connector terminal docking, packaging efficiency is improved, easy to automate rapid welding operation.
The production process of the present invention is as follows：4 groups of signal control lines 14 are first molded, every group of signal wire takes 2 metallic conductors, make
Signal line insulating layer 142 is wrapped to form by physical blowing with high density PE, such a PE materials can make signal transmission more stable.
Again plus 1 bare metal ground wire forms 3 strands, then using metal foiled paper（Such as aluminium foil）Wrap up 3 strands and form one group.It is such
After 4 groups of signal wire parallel arrangeds, tegillum 13 in being extruded using PVC, it is in flat pattern to make middle tegillum 13, reuses metal foiled paper（Example
Such as aluminium foil）Parcel, then wire is made into net on the basis of metal foiled paper, so as to reach 4 groups of 14 multilayer screens of signal control line
Effect.
Then 2 groups of data cables are molded, the 1st group of data cable 21 takes 4 articles of metallic conductors, passes through physical blowing using high density PE
Data line insulating layer 213 is wrapped to form, then adds 1 bare metal ground wire to form 5 strands, then wraps up stranding using metal foiled paper
Afterwards, reuse wire and be made into net and be wrapped in outside metal foiled paper.2nd group of data cable 22 takes 3 articles to carry data cable insulating layer 223
Metallic conductor adds 4 strands that 1 bare metal ground wire is formed, then coats lid metal foiled paper and knit woven wire.
Followed by being set up in parallel 2 groups of data cables, the 1st group of data cable 21 is close to signal control line 14, the 2nd group of data cable
22 are located at outside, so that each data cable and signal wire are in a row.Finally, external protection 30 is molded in outside, makes cable overall
In flat, the length of finished product cross section is 12mm, is highly 2.8mm.
In order to make each bar conducting wire easily distinguishable, different colours can be set to insulating layer, for example, every group of signal control line 14
There are 3 strands of red line, white line and bare copper wire.1st group of data cable 21 is equipped with totally 5 strands of red, white, yellow, orange and bare copper wire.2nd group of data
Line 22 is equipped with totally 4 strands of blue, brown, black and bare copper wire.
In conclusion the design focal point of the present invention is, it to combine 10 sum numbers mainly due to there is provided signal control line
20 are combined according to line, 4 groups of signal control lines 14 and 2 groups of data cables are arranged in a row, then coats external protection 30, in this way, sliver
Cable is in flat, and transmission volume is substantially reduced from structure, its thinner structure has been reduced in wiring and work progress
Difficulty；In addition, the conducting wire inside flat cable has substantially sequenced line sequence, as long as somewhat being adjusted to 2 data lines
Terminal docking directly corresponding with connector, improves packaging efficiency, easy to automate rapid welding operation.Especially, signal control
Line combination 10 and data cable combination 20 processed use multilayer screen structure, its metal screen layer and metal wire shielding layer make outside
EMC shielding impedances are minimum, so that EMC noises can run through metal mesh ground connection export, realizing high-definition data display signal
EMC safeguard functions are improved on the basis of transmission.
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention,
Therefore any subtle modifications, equivalent variations and modifications that every technical spirit according to the present invention makees above example, still
Belong in the range of technical solution of the present invention.
Claims (9)
- A kind of 1. anti-EMC flat cables of high-definition multimedia digital data transmission, it is characterised in that：IncludingOne signal control line combines（10）, signal wire metal wire shielding layer is provided with from outside to inside（11）, external signal line metal Paper shielded layer（12）, middle tegillum（13）With 4 groups of signal control lines side by side（14）, every group of signal control line be respectively provided with internal signal Line metallized shield（141）, parcel two carries signal wire insulating layer in the internal signal wire metallized shield（142）'s Signal wire metallic conductor（143）Add a bare metal signal wire ground wire（144）；One data cable combines（20）, it is to be made of 2 groups of data cables side by side, the 1st group of data cable（21）The 1st is provided with from outside to inside Data wire metal silk shielded layer（211）, the 1st data wire metal paper shielded layer（212）, in the 1st data wire metal paper shielded layer Parcel 4 carries data cable insulating layer（213）Data wire metal conductor（214）Add a bare metal data cable ground wire（215）； 2nd group of data cable（22）The 2nd data wire metal silk shielded layer is provided with from outside to inside（221）, the 2nd data wire metal paper shielded layer （222）, 3 articles of parcel carries data cable insulating layer in the 2nd data wire metal paper shielded layer（223）Data wire metal conductor （224）Add a bare metal data cable ground wire（225）；One external protection（30）, cladding is placed on signal control line combination and data cable combination is outer, a plurality of signal control line and data Line is arranged in a row, and it is in flat to make external protection.
- 2. the anti-EMC flat cables of a kind of high-definition multimedia digital data transmission according to claim 1, its feature exist In：The signal control line（14）Two signal line metallic conductors（143）Left and right is set, the letter of two signal line metallic conductors Number line insulating layer（142）It is in contact, a bare metal signal wire ground wire（144）Positioned at lower section, at the same with two signal line metals The signal line insulating layer of conductor is in contact, the internal signal wire metallized shield（141）It is coated on exterior oval.
- 3. the anti-EMC flat cables of a kind of high-definition multimedia digital data transmission according to claim 1, its feature exist In：Adjacent two signal control line（14）Between there is gap, be not in contact with each other each other, the middle tegillum（13）, external signal line gold Belong to paper shielded layer（12）, signal wire metal wire shielding layer（11）It is in flat to be covered in successively outside rows of signal control line.
- 4. the anti-EMC flat cables of a kind of high-definition multimedia digital data transmission according to claim 1, its feature exist In：1st group of data cable（21）4 data line metallic conductors（214）Upper left, upper right, lower-left, lower right arrangement, one naked Data line metal ground wire（215）Positioned at lower section, with lower-left and the data line insulating layer phase of two data line metallic conductors of bottom right Contact；2nd group of data cable（22）3 data line metallic conductors（224）In upper, lower-left, lower right arrangement, a bare metal Data cable ground wire（225）Positioned at lower section, it is in contact with the data line insulating layer of lower-left, two data line metallic conductors of bottom right.
- 5. the anti-EMC flat cables of a kind of high-definition multimedia digital data transmission according to claim 1, its feature exist In：The 1st data wire metal silk shielded layer（211）With the 2nd data wire metal silk shielded layer（221）It is rounded, the two phase Mutually contact.
- 6. the anti-EMC flat cables of a kind of high-definition multimedia digital data transmission according to claim 1, its feature exist In：The signal wire metal wire shielding layer（11）, the 1st data wire metal silk shielded layer（211）Shielded with the 2nd data wire metal silk Layer（221）It is woven wire cloth.
- 7. the anti-EMC flat cables of a kind of high-definition multimedia digital data transmission according to claim 1, its feature exist In：The external signal line metallized shield（12）, internal signal wire metallized shield（141）, the 1st data wire metal paper Shielded layer（212）, the 2nd data wire metal silk shielded layer（221）It is that shaping is covered by aluminium foil paper roll.
- 8. the anti-EMC flat cables of a kind of high-definition multimedia digital data transmission according to claim 1, its feature exist In：The middle tegillum（13）It is by the compressing flat structure of PVC material.
- 9. the anti-EMC flat cables of a kind of high-definition multimedia digital data transmission according to claim 1, its feature exist In：The signal line insulating layer（142）With data line insulating layer（213、223）It is that high density PE is molded by physical blowing.
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| CN201711020406.6A CN107993754A (en) | 2017-10-26 | 2017-10-26 | A kind of anti-EMC flat cables of high-definition multimedia digital data transmission |
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| CN201711020406.6A CN107993754A (en) | 2017-10-26 | 2017-10-26 | A kind of anti-EMC flat cables of high-definition multimedia digital data transmission |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114822931A (en) * | 2021-01-29 | 2022-07-29 | 华为技术有限公司 | Data transmission cable and electronic system |
| CN114822932A (en) * | 2021-01-21 | 2022-07-29 | 华为技术有限公司 | Cable, cable assembly and communication system |
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