CN207441293U - 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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- CN207441293U CN207441293U CN201721392438.4U CN201721392438U CN207441293U CN 207441293 U CN207441293 U CN 207441293U CN 201721392438 U CN201721392438 U CN 201721392438U CN 207441293 U CN207441293 U CN 207441293U
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Abstract
The utility model 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, transmission volume is substantially reduced from structure, 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 slightly adjusted with terminal docking directly corresponding with connector, packaging efficiency is improved, convenient for automating 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 external 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 utility model is related to cable field technologies, refer in particular to a kind of anti-EMC of high-definition multimedia digital data transmission
Flat cable.
Background technology
Existing HDMI transmission lines, external form point have flat type and round shape, include data cable, letter respectively in the structure of the inside
Number control line, shielded layer, PVC sheath are placed outside general shielded layer cladding data cable and signal control line and reenter PVC sheath,
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 drawbacks 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 be distinguished reasonably with signal wire and is connected, it is impossible to effectively realize 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,
It cannot effectively anti-EMC；3rd, cable overall structure volume is all bigger, is unfavorable for wiring operation, particularly through walls to wait construction operations.
Utility model content
In view of this, in view of the existing deficiencies of the prior art, its main purpose is to provide a kind of high parsing to the utility model
Multimedia digital signal transmits anti-EMC flat cables.
To achieve the above object, the utility model is using following technical solution：
A kind of anti-EMC flat cables of high-definition multimedia digital data transmission, including
One signal control line combines, and is provided with signal wire metal wire shielding layer, external signal line metal foiled paper screen from outside to inside
Layer, middle tegillum and 4 groups of signal control lines side by side are covered, every group signal control line is respectively provided with internal signal wire metallized shield,
Two signal wire metallic conductors with signal wire insulating layer of package add a naked gold in the internal signal wire metallized shield
Belong to signal wire ground wire；
One data cable combines, and is to be made of 2 groups of data cables side by side, the 1st group of data cable is provided with the 1st data from outside to inside
Line metal wire shielding layer, the 1st data wire metal paper shielded layer, 4 articles of the interior package of the 1st data wire metal paper shielded layer carry data
The data wire metal conductor of line insulating layer adds a bare metal data cable ground wire；2nd group of data cable is provided with the 2nd number from outside to inside
According to line metal wire shielding layer, the 2nd data wire metal paper shielded layer, 3 articles of package carries number in the 2nd data wire metal paper shielded layer
Add a bare metal data cable ground wire according to the data wire metal conductor of line insulating layer；
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
Line is arranged in a row, and makes external protection in flat.
As a preferred embodiment, two signal line metallic conductor left and right settings of the signal control line, 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 external oval.
As a preferred embodiment, between adjacent two signal control line there is gap, be not in contact with each other each other, the middle tegillum,
External signal line metallized shield, signal wire metal wire shielding layer are covered in outside rows of signal control line successively in flat.
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 in 3 data line metallic conductors of the 2nd group of data cable
Ground wire is located at lower section, 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 contact 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 the flat structure by PVC material compression moulding.
As a preferred embodiment, the signal line insulating layer and data line insulating layer are that high density PE is molded by physical blowing.
The utility model has clear advantage and advantageous effect compared with prior art, specifically, by above-mentioned technology
Scheme is understood, mainly due to being provided with signal control line combination and data cable combination, by 4 groups of signal control lines and 2 groups of numbers
It is arranged in a row according to line, then coats external protection, in this way, whole cable is in flat, 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 is substantially
Line sequence is sequenced, as long as 2 data lines are slightly adjusted with terminal docking directly corresponding with connector, improves assembling effect
Rate, convenient for automating rapid welding operation.Especially, signal control line combination and data cable combination use multilayer screen knot
Structure, metal screen layer and metal wire shielding layer make external EMC shielding impedances minimum, so that EMC noises can run through gold
Belong to net 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 structure feature of the utility model and effect, come below in conjunction with the accompanying drawings with specific embodiment pair
The utility model is described in detail.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the embodiment of the utility model.
Fig. 2 is the sectional view of the embodiment of the utility model.
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.
Specific embodiment
It refer to shown in Fig. 1 and Fig. 2, that show the concrete structures of the preferred embodiment of the utility model, are a kind of
The anti-EMC flat cables of high-definition multimedia digital data transmission, including signal control line combination 10, data cable combination 20, outer guarantor
Sheath 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, package 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 left and right settings of the signal control line 14, 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 external oval.In addition, between adjacent two signal control line 14 have gap, 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
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 package 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 package 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 contact 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, make external protection 30 in flat.
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 the flat structure by PVC material compression moulding.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 external EMC, acts on for the third time every internal
14 independent EMC of signal control line is shielded, and so as to reach 4 groups of 14 multilayer screen effects of signal control line, shielding uniformity is excellent.
And two data line also using 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 external 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, thinner structure has been reduced to the difficulty in wiring and work progress, and during cable wiring manufacture, such flat wire is dug
The depth of slot is much smaller than the depth of traditional round wires, and volume becomes with respect to traditional round cable after the flat wire storage of the utility model
It is small, 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, compared with traditional round cable
Speech, this kind of high-definition multimedia digital signal transmission line cable has substantially sequenced line sequence, as long as slightly being adjusted to 2 data lines
Can directly corresponding with connector terminal docking, packaging efficiency is improved, convenient for automating rapid welding operation.
The production process of the utility model is as follows：4 groups of signal control lines 14 are first molded, every group of signal wire takes 2 metals to lead
Body is wrapped to form signal line insulating layer 142 using high density PE by physical blowing, and such PE materials can make signal transmission more
Stablize.Again plus 1 bare metal ground wire forms 3 strands, then using metal foiled paper（Such as aluminium foil）It wraps up 3 strands and forms one group.
After such 4 groups of signal wire parallel arrangeds, tegillum 13 in being extruded using PVC makes middle tegillum 13 reuse metal in flat pattern
Paper（Such as aluminium foil）Package, then wire is made into net on the basis of metal foiled paper, so as to reach 4 groups of 14 multilayers of signal control line
Shield effectiveness.
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 1 bare metal ground wire is added 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 with 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 as to which each data cable and signal wire are in a row.Finally, external protection 30 is molded in outside, makes cable whole
In flat, the length of finished product cross section is 12mm, is highly 2.8mm.
In order to make each conducting wire easily distinguishable, can different colours 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 utility model is, mainly due to being provided with signal control line combination 10
With data cable combination 20,4 groups of signal control lines 14 and 2 groups of data cables are arranged in a row, then coat external protection 30, in this way, whole
Cable substantially reduces transmission volume, thinner structure, which has been reduced to, to be connected up and constructing in flat from structure
Difficulty in journey；In addition, the conducting wire inside flat cable has substantially sequenced line sequence, as long as slightly being adjusted to 2 data lines
Can directly corresponding with connector terminal docking, packaging efficiency is improved, convenient for automating rapid welding operation.Especially, believe
Using multilayer screen structure, metal screen layer and metal wire shielding layer make outer for number control line combination 10 and data cable combination 20
Portion's EMC shielding impedances are minimum, so that EMC noises can run through metal mesh ground connection export, realizing high-definition data display letter
Number transmission on the basis of improve EMC safeguard functions.
The above descriptions are merely preferred embodiments of the present invention, and not the technical scope of the utility model is made
Any restrictions, therefore every any trickle amendment made according to the technical essence of the utility model to above example, equivalent change
Change and modification, in the range of still falling within technical solutions of the utility model.
Claims (9)
1. a kind of anti-EMC flat cables of high-definition multimedia digital data transmission, it is characterised in that：Including
One 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）, the interior package of the internal signal wire metallized shield two is with signal wire insulating layer（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
Package 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 the interior package of the 2nd data wire metal paper shielded layer is with data cable insulating 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 makes external protection in flat.
2. the anti-EMC flat cables of a kind of high-definition multimedia digital data transmission according to claim 1, feature exist
In：The signal control line（14）Two signal line metallic conductors（143）Left and right settings, 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 external oval.
3. the anti-EMC flat cables of a kind of high-definition multimedia digital data transmission according to claim 1, feature exist
In：Adjacent two signal control line（14）Between have 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 covered in successively outside rows of signal control line in flat.
4. the anti-EMC flat cables of a kind of high-definition multimedia digital data transmission according to claim 1, 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, 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, feature exist
In：The signal wire metal wire shielding layer（11）, the 1st data wire metal silk shielded layer（211）It is 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, 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, feature exist
In：The middle tegillum（13）It is the flat structure by PVC material compression moulding.
9. the anti-EMC flat cables of a kind of high-definition multimedia digital data transmission according to claim 1, 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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| CN201721392438.4U CN207441293U (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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993754A (en) * | 2017-10-26 | 2018-05-04 | 联基实业（江西）有限公司 | A kind of anti-EMC flat cables of high-definition multimedia digital data transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993754A (en) * | 2017-10-26 | 2018-05-04 | 联基实业（江西）有限公司 | A kind of anti-EMC flat cables of high-definition multimedia digital data transmission |
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Effective date of registration: 20191016 Address after: 330000 No.22, Mingzhu Road, West Industrial Park, Ji'an County, Ji'an City, Jiangxi Province Patentee after: Ji'an Lianji Electronic Co., Ltd. Address before: 330000 West Zone, Ji'an County Industrial Park, Ji'an, Jiangxi Patentee before: Lianji Industrial (Jiangxi) Co., Ltd. |
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| TR01 | Transfer of patent right |