CN203799743U - Symmetrical communication cable for transmission of high-speed LVDS signals - Google Patents
Symmetrical communication cable for transmission of high-speed LVDS signals Download PDFInfo
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- CN203799743U CN203799743U CN201420128863.2U CN201420128863U CN203799743U CN 203799743 U CN203799743 U CN 203799743U CN 201420128863 U CN201420128863 U CN 201420128863U CN 203799743 U CN203799743 U CN 203799743U
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- pair
- cable
- communication cable
- power supply
- data wire
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Abstract
The utility model discloses a symmetrical communication cable for the transmission of high-speed LVDS signals, which comprises a pair-twisted LVDS data line manufactured through twisting a pair of balanced cables, two single-core shielding power line, and two sets of pair-twisted shielding power lines. The pair-twisted LVDS data line, the two single-core shielding power line, and the two sets of pair-twisted shielding power lines are mutually twisted and clustered to form a cable core. A polyester tape wrapping layer, a total shielding layer and a polyurethane sheath layer are sequentially arranged outside the cable core. According to the technical scheme of the utility model, the symmetrical communication cable functions as a cable product of reasonable structure and material design, effective processing measure, good reliability, high data rate, low noise, low electromagnetic radiation and low cost in the field of aerospace communications.
Description
technical field:
The utility model relates to signal cable, relates in particular to a kind of symmetrical communication cable of transmitting high speed LVDS signal.
background technology:
At present, the transmission problem of aerospace communications field face big data quantity, more existing point-to-point physical interfaces and other data transmission standard are because the intrinsic restrictions in aspect such as speed, noise, power consumption, cost are more and more difficult to competent this task.
Therefore,, in order to satisfy the demands, telecommunication cable need to adopt new technology, development new construction, for the bottleneck problem solving on high-speed low-power-consumption provides possibility.
utility model content:
In order to make up prior art problem, the purpose of this utility model is to provide a kind of symmetrical communication cable of transmitting high speed LVDS signal, by rational structure and design of material and effective technological measure, for aerospace communications field provides reliability high, data transfer rate is high, the cable product that noise, electromagnetic radiation and cost are low.
The technical solution of the utility model is as follows:
The symmetrical communication cable of transmitting high speed LVDS signal, it is characterized in that: the mode that comprises twisted-pair feeder balanced cable makes pair twist LVDS data wire, two single core shielded power supply lines, two groups of pair twist shielded power supply lines, pair twist LVDS data wire, two single core shielded power supply lines, two groups of mutual stranded bunchys of pair twist shielded power supply line form cable core, and cable core is provided with polyester belt lapping layer, total screen, urethane jacket layer outward successively.
The symmetrical communication cable of described transmitting high speed LVDS signal, it is characterized in that: two described single core shielded power supply lines, two groups of pair twist shielded power supply lines include power line conductor, power line conductor conductor is coated with high temperature resistant perfluoroethylene-propylene insulating barrier, the first screen, and power line conductor strandedly forms single core sectional area and is generally 0.18 ~ 0.25mm by tin-plating round copper wire is regular
2.
The symmetrical communication cable of described transmitting high speed LVDS signal, it is characterized in that: described pair twist LVDS data wire comprises data wire conductor, data wire conductor is coated with insulating barrier composition data line insulated wire cores, after data wire insulated wire cores pair twist, be coated with secondary shielding layer, data wire conductor adopts regular stranded the forming of silver-plated copper alloy wire.
The symmetrical communication cable of described transmitting high speed LVDS signal, is characterized in that: the coverage rate of described polyester belt lapping layer reaches 100%.
The symmetrical communication cable of described transmitting high speed LVDS signal, is characterized in that: described total screen adopts tinned copper wire braiding to form, and count is not less than 85%.
The utility model has the advantages that:
1, conductor select conductivity and thermal conductivity good, corrosion-resistant and anti-oxidant, the tinned wird that chemical property is very stable, adopts regular stranded processing mode, not only makes structure rounding, not yielding, soft, good bandability, simultaneously transmission performance is stable.
2, high temperature resistant perfluoroethylene-propylene (FEP) material is used in insulation, and this material has the chemical stability that the high low temperature scope of application is wide, excellent, high electrical insulating property and resistance to weathering can be that other various engineering plastics are incomparable.
3, power line, LVDS data wire symmetrical configuration.Wherein, LVDS data wire adopts twisted-pair feeder balance mode transmission low-swing difference signal, than single line transfer of data, noise is had to stronger resistivity.Two signal line electromagnetic field is around cancelled out each other, little more a lot of than the electromagnetic radiation of single-wire signal transmission, for telecommunication cable is processed larger bandwidth signal, significantly increased port number and provide safeguard.
4, TPUE not only has remarkable tension stress, high-tensile strength, tough and ageing-resistant right characteristic, and is ripe environment-friendly materials, is that other plastic materials are incomparable.Also there is the excellent function such as high waterproof perspectivity, windproof, cold-proof, antibacterial, uvioresistant and energy release simultaneously, guarantee the properties of product under particular surroundings.
5, increased the new varieties of aerospace field telecommunication cable, superior performance, environmental friendliness, light weight and conserve space, can be the quality product of telecommunication cable for Aero-Space.
accompanying drawing explanation:
Fig. 1 is structural representation of the present utility model.
embodiment:
Referring to accompanying drawing:
The symmetrical communication cable of transmitting high speed LVDS signal, the mode that comprises twisted-pair feeder balanced cable makes the single core shielded power supply line of pair twist LVDS data wire 1, two 2, two groups of pair twist shielded power supply lines 3, the single core shielded power supply line of pair twist LVDS data wire 1, two 2, two groups of mutual stranded bunchys of pair twist shielded power supply line 3 form cable core, and cable core is provided with polyester belt lapping layer 4, total screen 5, urethane jacket layer 6 outward successively.
Two single core shielded power supply lines 1, two groups of pair twist shielded power supply lines 2 include power line conductor 7, power line conductor 7 is coated with high temperature resistant perfluoroethylene-propylene insulating barrier 8, the first screen 9, and power line conductor 7 strandedly forms single core sectional area and is generally 0.18 ~ 0.25mm by tin-plating round copper wire is regular
2.
Pair twist LVDS data wire 1 comprises data wire conductor 1-1, data wire conductor 1-1 is coated with insulating barrier 1-2 composition data line insulated wire cores, after data wire insulated wire cores pair twist, be coated with secondary shielding layer 1-3, data wire conductor 1-3 adopts regular stranded the forming of silver-plated copper alloy wire.
The coverage rate of polyester belt lapping layer 4 reaches 100%.
Total screen is adopted 5 use tinned copper wire braidings and is formed, and count is not less than 85%.
Claims (5)
1. the symmetrical communication cable of a transmitting high speed LVDS signal, it is characterized in that: the mode that comprises twisted-pair feeder balanced cable makes pair twist LVDS data wire, two single core shielded power supply lines, two groups of pair twist shielded power supply lines, pair twist LVDS data wire, two single core shielded power supply lines, two groups of mutual stranded bunchys of pair twist shielded power supply line form cable core, and cable core is provided with polyester belt lapping layer, total screen, urethane jacket layer outward successively.
2. the symmetrical communication cable of transmitting high speed LVDS signal according to claim 1, it is characterized in that: two described single core shielded power supply lines, two groups of pair twist shielded power supply lines include power line conductor, power line conductor is coated with high temperature resistant perfluoroethylene-propylene insulating barrier, the first screen, and by tin-plating round copper wire, regular stranded to form single core sectional area be 0.18 ~ 0.25mm to power line conductor
2.
3. the symmetrical communication cable of transmitting high speed LVDS signal according to claim 1, it is characterized in that: described pair twist LVDS data wire comprises data wire conductor, data wire conductor is coated with insulating barrier composition data line insulated wire cores, after data wire insulated wire cores pair twist, be coated with secondary shielding layer, data wire conductor adopts regular stranded the forming of silver-plated copper alloy wire.
4. the symmetrical communication cable of transmitting high speed LVDS signal according to claim 1, is characterized in that: the coverage rate of described polyester belt lapping layer is 100%.
5. the symmetrical communication cable of transmitting high speed LVDS signal according to claim 1, is characterized in that: described total screen adopts tinned copper wire braiding to form, and count is not less than 85%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128863.2U CN203799743U (en) | 2014-03-20 | 2014-03-20 | Symmetrical communication cable for transmission of high-speed LVDS signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128863.2U CN203799743U (en) | 2014-03-20 | 2014-03-20 | Symmetrical communication cable for transmission of high-speed LVDS signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203799743U true CN203799743U (en) | 2014-08-27 |
Family
ID=51381939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420128863.2U Active CN203799743U (en) | 2014-03-20 | 2014-03-20 | Symmetrical communication cable for transmission of high-speed LVDS signals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203799743U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575491A (en) * | 2016-01-28 | 2016-05-11 | 江苏艾立可电子科技有限公司 | High-performance swing-resistant extra-soft American-standard cable for electronics |
| CN106251975A (en) * | 2016-08-31 | 2016-12-21 | 安徽宏源特种电缆股份有限公司 | A kind of coaxial radio-frequency photoelectric communication composite cable and production method thereof |
| CN108399966A (en) * | 2018-04-24 | 2018-08-14 | 深圳宝兴电线电缆制造有限公司 | Tension resist bending high speed data transmission line |
-
2014
- 2014-03-20 CN CN201420128863.2U patent/CN203799743U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575491A (en) * | 2016-01-28 | 2016-05-11 | 江苏艾立可电子科技有限公司 | High-performance swing-resistant extra-soft American-standard cable for electronics |
| CN106251975A (en) * | 2016-08-31 | 2016-12-21 | 安徽宏源特种电缆股份有限公司 | A kind of coaxial radio-frequency photoelectric communication composite cable and production method thereof |
| CN108399966A (en) * | 2018-04-24 | 2018-08-14 | 深圳宝兴电线电缆制造有限公司 | Tension resist bending high speed data transmission line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 241000 Wuhu high tech Development Zone, Anhui, No. 15 Zhanghe Road Patentee after: WUHU SPACEFLIGHT SPECIAL CABLE FACTORY CO., LTD. Address before: 241000 Zhanghe Road, Yijiang District, Wuhu City, Anhui Province, hi tech Industrial Development Zone, No. 15 Patentee before: Wuhu Aerospace Special Cable Factory |