CN216597106U - Anti-crosstalk single-ground data line - Google Patents
Anti-crosstalk single-ground data line Download PDFInfo
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- CN216597106U CN216597106U CN202121847833.3U CN202121847833U CN216597106U CN 216597106 U CN216597106 U CN 216597106U CN 202121847833 U CN202121847833 U CN 202121847833U CN 216597106 U CN216597106 U CN 216597106U
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- shielding layer
- insulating layer
- data line
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- 230000008054 signal transmission Effects 0.000 claims abstract description 59
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 30
- 239000004020 conductor Substances 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 18
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
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- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims description 7
- 229920002799 BoPET Polymers 0.000 claims description 6
- 239000004812 Fluorinated ethylene propylene Substances 0.000 claims description 6
- 239000005041 Mylar™ Substances 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000011888 foil Substances 0.000 claims description 6
- 229920009441 perflouroethylene propylene Polymers 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
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Abstract
The utility model discloses an anti-crosstalk single-ground data line, and relates to the technical field of communication wires and cables. The differential type clock hand signal transmission cable comprises a differential signal transmission line, an hour hand signal transmission line, a ground wire, an inner shielding layer, an outer shielding layer and an outer coating layer, wherein the inner shielding layer is coated outside the differential signal transmission line, the hour hand signal transmission line and the ground wire are respectively arranged outside the inner shielding layer, the outer shielding layer is simultaneously coated outside the inner shielding layer, the hour hand signal transmission line and the ground wire, and the outer coating layer is coated outside the outer shielding layer. The utility model can ensure that no crosstalk occurs between the signal wires of the utility model under the condition of only one grounding wire, and the utility model is not interfered by external signal wires, and ensures the reliability and stability of data transmission.
Description
Technical Field
The utility model relates to the technical field of communication wires and cables, in particular to an anti-crosstalk single-ground data line.
Background
Internet of things (IOT), autonomous vehicles, 5G cellular networks, smart cities, and video streaming service products, all of which rely heavily on high-quality, high-speed data transmission to enhance user experience, and require a plurality of data to be transmitted through smaller data transmission devices, such as transmitting differential signals and control signals at the same time, which brings new challenges to the internal arrangement and anti-crosstalk capabilities of transmission lines. In the prior art, a data transmission device generally needs to connect a plurality of data lines, including a differential signal transmission line for transmitting differential signals, a control signal transmission line for transmitting control signals, and a grounded ground line, however, the differential signal transmission line, the control signal transmission line, and the ground line in the prior art are susceptible to coupling and interference between self signal lines or between external signal lines, mutual inductance and mutual capacitance between signal lines, which causes noise on the lines, i.e., crosstalk, which easily causes loss of data transmission and transmission errors.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the present invention is to provide an anti-crosstalk single-ground data line, which can ensure that no crosstalk occurs between signal lines of the data transmission line and no interference of external signal lines, and ensure reliability and stability of data transmission, in the case that only one ground wire is provided.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides an anti-crosstalk single-ground data line, includes differential signal transmission line, hour hand signal transmission line, ground wire, internal shield layer and outer shielding layer, the internal shield layer cladding is outside differential signal transmission line, hour hand signal transmission line and ground wire set up respectively outside the internal shield layer, the outer shielding layer cladding is outside internal shield layer, hour hand signal transmission line and ground wire simultaneously.
Preferably, the outer shielding layer is coated with an outer layer.
Preferably, the conductive surface of the inner shielding layer faces the outer side of the crosstalk-proof single-ground data line, and the conductive surface of the outer shielding layer faces the inner side of the crosstalk-proof single-ground data line. The hour hand signal transmission line is positioned at one side outside the inner shielding layer, and the ground wire is positioned at the other side outside the inner shielding layer.
Preferably, the inner shielding layer and the outer shielding layer are any one or combination of multiple of a hot-melt self-adhesive aluminum foil layer, a hot-melt self-adhesive copper foil layer, a hot-melt self-adhesive silver-plated copper foil layer, an aluminum foil layer, a copper foil layer, a silver-plated copper foil layer, a copper wire woven layer, a tin-plated copper wire woven layer and a silver-plated copper wire woven layer.
Preferably, the differential signal transmission lines are provided with one or more pairs, each pair has two differential signal transmission lines, the two differential signal transmission lines are arranged in parallel, and each differential signal transmission line is composed of a first inner conductor and a first insulating layer coated outside the first inner conductor.
Preferably, the number of the hour hand signal transmission lines is one, and the hour hand signal transmission lines are composed of a second inner conductor and a second insulating layer coated outside the second inner conductor.
Preferably, the first inner conductor, the second inner conductor and the ground wire are single or multi-strand metal wires, the metal wires are any one of silver-plated copper metal wires, tin-plated copper metal wires, bare copper metal wires, silver-plated copper-clad steel metal wires and silver-plated copper-clad aluminum metal wires, and the cross sections of the first inner conductor, the second inner conductor and the ground wire are in any one of circular shapes, oval shapes, flat shapes or other shapes.
Preferably, the first insulating layer and the second insulating layer are any one of a polyethylene insulating layer, a foamed polyethylene insulating layer, a polypropylene insulating layer, a foamed polypropylene insulating layer, a fluorinated ethylene propylene insulating layer, a foamed fluorinated ethylene propylene insulating layer, a polytetrafluoroethylene insulating layer, a foamed polytetrafluoroethylene insulating layer, a microporous polytetrafluoroethylene insulating layer, and a meltable polytetrafluoroethylene insulating layer.
Preferably, the outer coating is any one of a plastic mylar outer coating, a polyethylene outer coating, a polytetrafluoroethylene outer coating, a polyfluoroethylene propylene outer coating and a polyolefin outer coating.
The utility model has the beneficial effects that:
the inner shielding layer is coated outside the differential signal transmission line, so that the differential signal transmission line is not interfered by an external hour hand signal when transmitting differential signals, and is not interfered by an external signal;
the inner shielding layer and the outer shielding layer form a shielding cavity, so that the hour hand signal transmission line is not interfered by internal differential signals when transmitting hour hand signals and is not interfered by external signals;
the conductive surface of the inner shielding layer faces outwards, and the conductive surface of the outer shielding layer faces inwards, so that a better shielding cavity can be further formed between the inner shielding layer and the outer shielding layer, the hour hand signal transmission line is further not interfered by external signals and internal differential signals when transmitting hour hand signals, and the conductive surfaces of the inner shielding layer and the outer shielding layer can be contacted with the ground wire, so that the inner shielding layer and the outer shielding layer of the wire are reliably grounded;
the hour hand signal transmission line is positioned on one side outside the inner shielding layer, the ground wire is positioned on the other side outside the inner shielding layer, the structure is stable, the wire is easy to process, and the phenomena of ground wire deflection and strand jumping cannot occur during processing.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of a crosstalk-proof single-ground data line.
Detailed Description
The structural and operational principles of the present invention are explained in further detail below with reference to the accompanying drawings.
As shown in fig. 1, the present invention is an anti-crosstalk single-ground data line, including a differential signal transmission line 1, an hour hand signal transmission line 2, a ground line 3, an inner shielding layer 4, an outer shielding layer 5 and an outer covering layer 6, wherein the inner shielding layer 4 covers the differential signal transmission line 1, the hour hand signal transmission line 2 and the ground line 3 are respectively disposed outside the inner shielding layer 4, the outer shielding layer 5 simultaneously covers the inner shielding layer 4, the hour hand signal transmission line 2 and the ground line 3, and the outer covering layer 6 covers the outer shielding layer 5. The inner shielding layer 4 is coated outside the differential signal transmission line 1, so that the differential signal transmission line 1 is not interfered by an external hour hand signal when transmitting differential signals, and is not interfered by an external signal; because the hour hand signal transmission line 2 and ground wire 3 set up respectively outside the internal shield layer 4, the cladding is outside internal shield layer 4, hour hand signal transmission line 2 and ground wire 3 simultaneously to outer shielding layer 5, utilizes internal shield layer 4 and outer shielding layer 5 to form the shielding cavity like this, makes hour hand signal transmission line 2 not receive inside differential signal interference when the transmission hour hand signal, also does not receive external signal interference simultaneously.
As shown in fig. 1, the inner shield layer 4 and the outer shield layer 5 of the present invention are single-sided conductive shield layers or double-sided conductive shield layers. If the inner shielding layer 4 and the outer shielding layer 5 are single-side conductive shielding layers, the conductive surface of the inner shielding layer 4 faces the outer side of the anti-crosstalk single-ground data line, and the conductive surface of the outer shielding layer 5 faces the inner part of the anti-crosstalk single-ground data line, so that a better shielding cavity can be formed between the inner shielding layer 4 and the outer shielding layer 5, the hour hand signal transmission line 2 is further not interfered by an external signal and an internal differential signal when transmitting an hour hand signal, and the conductive surfaces of the inner shielding layer 4 and the outer shielding layer 5 can be both contacted with the ground wire 3, so that the inner shielding layer 4 and the outer shielding layer 5 of the wire are reliably grounded; the non-conductive surfaces of the inner shield layer 4 and the outer shield layer 5 are insulating layers, such as mylar insulating layers.
The inner layer of the inner shielding layer 4 is provided with the Mylar insulating layer, and the outer layer of the outer shielding layer 5 is also provided with the Mylar insulating layer, so that the strength of the inner shielding layer 4 and the outer shielding layer 5 can be improved, and meanwhile, the inner layer of the inner shielding layer 4 is not conductive, and the outer layer of the outer shielding layer 5 is not conductive.
As shown in fig. 1, the hour hand signal transmission line 2 is located on one side outside the inner shielding layer 4, the ground wire 3 is located on the other side outside the inner shielding layer 4, and the position of the hour hand signal transmission line 2 is opposite to that of the ground wire 3, so that the data line structure is stable, the wire is easy to process, and the phenomena of ground wire deflection and strand jumping cannot occur during processing.
As shown in fig. 1, the inner shield layer 4 and the outer shield layer 5 are any one or a combination of a plurality of hot-melt self-adhesive aluminum foil layer, a hot-melt self-adhesive copper foil layer, a hot-melt self-adhesive silver-plated copper foil layer, an aluminum foil layer, a copper foil layer, a silver-plated copper foil layer, a copper wire braid layer, a tin-plated copper wire braid layer, and a silver-plated copper wire braid layer.
As shown in fig. 1, the differential signal transmission lines 1 are provided in a pair, and have two differential signal transmission lines 1, and each of the two differential signal transmission lines 1 is formed of a first inner conductor 11 and a first insulating layer 12 covering the first inner conductor 11. The number of the hour hand signal transmission lines 2 is one, and the hour hand signal transmission lines 2 are composed of a second inner conductor 21 and a second insulating layer 22 coated outside the second inner conductor 21. It should be noted that the differential signal transmission lines 1 are not limited to be provided with only one pair, and a plurality of pairs of more than one pair may be provided, the number of the differential signal transmission lines in each pair is two, and the two differential signal transmission lines 1 in each pair are arranged in parallel.
As shown in fig. 1, the first inner conductor 11, the second inner conductor 21, and the ground wire 3 are single or multi-strand metal wires, the metal wires are any one of silver-plated copper metal wires, tin-plated copper metal wires, bare copper metal wires, silver-plated copper-clad steel metal wires, and silver-plated copper-clad aluminum metal wires, and the cross-sectional shapes of the first inner conductor 11, the second inner conductor 21, and the ground wire 3 are any one of circular, oval, flat, or other shapes.
As shown in fig. 1, the first insulating layer 12 and the second insulating layer 22 are any one of a polyethylene insulating layer, a foamed polyethylene insulating layer, a polypropylene insulating layer, a foamed polypropylene insulating layer, a fluorinated ethylene propylene insulating layer, a foamed fluorinated ethylene propylene insulating layer, a polytetrafluoroethylene insulating layer, a foamed polytetrafluoroethylene insulating layer, a microporous polytetrafluoroethylene insulating layer, and a fusible polytetrafluoroethylene insulating layer.
As shown in fig. 1, the outer layer 6 is any one of a plastic mylar outer layer, a polyethylene outer layer, a polytetrafluoroethylene outer layer, a polyfluoroethylene propylene outer layer, and a polyolefin outer layer.
The above description is only a preferred embodiment of the present invention, and all the minor modifications, equivalent changes and modifications made to the above embodiment according to the technical solution of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. An anti-crosstalk single-ground data line, characterized in that: the novel anti-theft alarm device comprises a differential signal transmission line, an hour hand signal transmission line, a ground wire, an inner shielding layer and an outer shielding layer, wherein the inner shielding layer is coated outside the differential signal transmission line, the hour hand signal transmission line and the ground wire are respectively arranged outside the inner shielding layer, and the outer shielding layer is coated outside the inner shielding layer, the hour hand signal transmission line and the ground wire.
2. The anti-crosstalk single-ground data line according to claim 1, wherein: the outer shielding layer is coated with an outer tegument layer.
3. The anti-crosstalk single-ground data line according to claim 1, wherein: the conductive surface of the inner shielding layer faces the outer side of the anti-crosstalk single-ground data line, and the conductive surface of the outer shielding layer faces the inner portion of the anti-crosstalk single-ground data line.
4. The anti-crosstalk single-ground data line according to claim 3, wherein: the hour hand signal transmission line is positioned at one side outside the inner shielding layer, and the ground wire is positioned at the other side outside the inner shielding layer.
5. The anti-crosstalk single-ground data line according to any one of claims 1 to 4, wherein: the inner shielding layer and the outer shielding layer are any one or combination of multiple of a hot-melt self-adhesive aluminum foil layer, a hot-melt self-adhesive copper foil layer, a hot-melt self-adhesive silver-plated copper foil layer, an aluminum foil layer, a copper foil layer, a silver-plated copper foil layer, a copper wire woven layer, a tin-plated copper wire woven layer and a silver-plated copper wire woven layer.
6. The anti-crosstalk single-ground data line according to claim 1, wherein: the differential signal transmission lines are provided with one or more pairs, each pair is provided with two differential signal transmission lines which are arranged in parallel, and each differential signal transmission line consists of a first inner conductor and a first insulating layer coated outside the first inner conductor.
7. The anti-crosstalk single-ground data line according to claim 6, wherein: the number of the hour hand signal transmission lines is one, and the hour hand signal transmission lines are composed of a second inner conductor and a second insulating layer coated outside the second inner conductor.
8. The anti-crosstalk single-ground data line according to claim 7, wherein: the first inner conductor, the second inner conductor and the ground wire are single or multi-strand metal wires, the metal wires are any one of silver-plated copper metal wires, tin-plated copper metal wires, bare copper metal wires, silver-plated copper-clad steel metal wires and silver-plated copper-clad aluminum metal wires, and the cross sections of the first inner conductor, the second inner conductor and the ground wire are any one of circular, oval or flat.
9. The anti-crosstalk single-ground data line according to claim 7, wherein: the first insulating layer and the second insulating layer are any one of a polyethylene insulating layer, a foamed polyethylene insulating layer, a polypropylene insulating layer, a foamed polypropylene insulating layer, a fluorinated ethylene propylene insulating layer, a foamed fluorinated ethylene propylene insulating layer, a polytetrafluoroethylene insulating layer, a foamed polytetrafluoroethylene insulating layer, a microporous polytetrafluoroethylene insulating layer and a meltable polytetrafluoroethylene insulating layer.
10. The anti-crosstalk single-ground data line according to claim 1, wherein: the outer tegument is any one of a plastic mylar outer tegument, a polyethylene outer tegument, a polytetrafluoroethylene outer tegument, a polyfluorinated ethylene propylene outer tegument and a polyolefin outer tegument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121847833.3U CN216597106U (en) | 2021-08-09 | 2021-08-09 | Anti-crosstalk single-ground data line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121847833.3U CN216597106U (en) | 2021-08-09 | 2021-08-09 | Anti-crosstalk single-ground data line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216597106U true CN216597106U (en) | 2022-05-24 |
Family
ID=81608133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121847833.3U Active CN216597106U (en) | 2021-08-09 | 2021-08-09 | Anti-crosstalk single-ground data line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216597106U (en) |
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2021
- 2021-08-09 CN CN202121847833.3U patent/CN216597106U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000, 1st and 19th floors of Building 1, Jinxinnuo, No. 50 Baolong Second Road, Baolong Community, Baolong Street, Longgang District, Shenzhen City, Guangdong Province Patentee after: KINGSIGNAL TECHNOLOGY Co.,Ltd. Country or region after: Zhong Guo Address before: 518000 26 / F, block B, building 10, Shenzhen Bay science and technology ecological park, No.10, Gaoxin South 9th Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: KINGSIGNAL TECHNOLOGY Co.,Ltd. Country or region before: Zhong Guo |
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| CP03 | Change of name, title or address |