CN216212478U - Electromagnetic compatibility network data transmission cable and assembly - Google Patents
Electromagnetic compatibility network data transmission cable and assembly Download PDFInfo
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- CN216212478U CN216212478U CN202122894856.6U CN202122894856U CN216212478U CN 216212478 U CN216212478 U CN 216212478U CN 202122894856 U CN202122894856 U CN 202122894856U CN 216212478 U CN216212478 U CN 216212478U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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Abstract
The utility model discloses an electromagnetic compatibility network data transmission cable and an electromagnetic compatibility network data transmission assembly, wherein the electromagnetic compatibility network data transmission cable comprises a shielding cable core, a grounding wire is arranged outside the shielding cable core, a total shielding layer is wrapped outside the shielding cable core and the grounding wire, a first protective sleeve is wrapped outside the total shielding layer, the shielding cable core comprises a plurality of pair-twisted shielding groups and a first aluminum-based composite belt wrapped outside the plurality of pair-twisted shielding groups, the pair-twisted shielding groups are formed by pair twisting of insulated conductive wire cores, the cable core can be shielded with high-density electromagnetic interference resistance, a group of grounding wires are added when the protective sleeve is extruded, and the network data wire has excellent weather resistance, bending resistance, tensile resistance and anti-interference performance under complex environments such as high-cold and high-temperature zones with staggered circuits and complex interference signals.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to an electromagnetic compatibility network data transmission cable and an electromagnetic compatibility network data transmission assembly.
Background
The traditional network digital transmission line is directly carried out by five types of cables, and the insulating material is coated outside the copper core to protect the metal wire inside, so that the purpose of digital signal transmission is achieved, and the defect of poor anti-interference performance is overcome. With the development of the electronic industry, interference signal sources are more and more complex, data communication is interfered by various electromagnetic signals, a matched data transmission line is required to bear various severe environments, the anti-electromagnetic field interference capability is high, and the stable and clear transmission of digital signals is ensured. The existing network cable for transmitting visible data is difficult to meet the requirement.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks or shortcomings, an object of the present invention is to provide an emc network data transmission cable and component with excellent weather resistance, bending resistance, tensile strength and anti-interference performance.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides an electromagnetic compatibility network data transmission cable, includes the shielding cable core, the shielding cable core is provided with the earth connection outward, the outer parcel of shielding cable core and earth connection has total shielding layer, the outer parcel of total shielding layer has first lag, wherein, the shielding cable core includes a plurality of pair twist shielding groups and wraps up the outer aluminium base composite band of a plurality of pair twist shielding groups, pair twist shielding group is insulating conductive core pair twist and forms.
And four pairs of twisted shielding groups are arranged in the shielding cable core.
The pair-twisting shielding group comprises an insulated conductive wire core formed by pair twisting, and a second aluminum-based composite belt wraps the insulated conductive wire core formed by pair twisting.
The insulated conductive wire core comprises a conductive wire core, and an insulating layer is arranged outside the conductive wire core.
The conductive wire core is formed by combining a plurality of bare round copper wire bundles.
The conductive wire core is formed by combining 7 bare round copper wires.
The total shielding layer is a total shielding layer woven by anti-oxidation tinned round copper wires.
The electromagnetic compatibility network data transmission cable component comprises the electromagnetic compatibility network data transmission cable, wherein an injection molding plug is installed at the end part of the electromagnetic compatibility network data transmission cable.
The injection molding plug comprises a welding connector and a second protective sleeve wrapped outside the welding connector.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides an electromagnetic compatibility network data transmission cable, which is provided with a shielding cable core, a total shielding layer and a first protective sleeve, can shield the cable core with high density and anti-electromagnetic interference resistance, and a group of ground wires are added when the protective sleeve is extruded, so that the network data cable has excellent weather resistance, bending resistance, tensile resistance and anti-interference performance under the complex environments of high-temperature and high-temperature zones with staggered circuits and complex interference signals.
Furthermore, the electromagnetic compatibility network data transmission cable assembly provided by the utility model can be used for carrying out plug connection on the interface after a line segment with a proper size needs to be cut off, so that the electromagnetic compatibility network data transmission cable assembly is formed, and the use is more convenient and simpler.
Drawings
FIG. 1 is a schematic diagram of an electromagnetic compatibility network data transmission cable according to the present invention;
FIG. 2 is a cross-sectional view of an electromagnetic compatibility network data transmission cable of the present invention;
fig. 3 is a schematic structural diagram of an electromagnetic compatibility network data transmission cable assembly of the present invention.
In the figure, 1 — first protective cover; 2-total shielding layer; 3, shielding the cable core; 4-twisted pair shielding group; 5-insulating the conductive wire core; 6-an insulating layer; 7-conductive wire core; 8, a grounding wire; 9-a first aluminium-based composite strip; 10-a second aluminium-based composite strip; 11-injection molding of plugs; 12-welding the connector; 13-second protective cover.
Detailed Description
The present invention will now be described in detail with reference to the drawings, wherein the described embodiments are only some, but not all embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of the present invention.
As shown in fig. 1 and 2, the present invention provides an electromagnetic compatibility network data transmission cable, which is used for transmitting digital signals and analog signals, and specifically includes: the shielding cable core 3, it is provided with earth connection 8 to shield 3 outsides of cable core, the outer parcel of shielding cable core 3 and earth connection has total shielding layer 2, the outer parcel of total shielding layer 2 has first lag 1, wherein, shielding cable core 3 includes a plurality of pair twist shielding groups 4 and wraps up the first aluminium base composite band 9 outside a plurality of pair twist shielding groups 4, pair twist shielding group 4 is the formation of 5 pair twists of insulating conductive core.
In the utility model, the first protective sleeve 1 is made of a three-proofing material sheath with excellent-50 ℃ low-temperature resistance effect, so that the cable has flexibility, low-temperature resistance and aging resistance. The total shielding layer 2 is a total shielding layer woven by an anti-oxidation tinned round copper wire to form a data cable total shielding, and specifically adopts a 0.10 tinned round copper wire 8-strand 16-spindle braiding machine to perform fine-pitch high-density braiding so as to shield interference of an interference source on a digital signal. The grounding wire 8 is made of 12 tinned round copper wires which are easy to weld.
Specifically, the shielding cable core 3 comprises a plurality of twisted-pair shielding groups 4 and a first aluminum-based composite belt 9 wrapped outside the twisted-pair shielding groups 4. In this embodiment, the pair-twisted shielding group 4 is formed by twisting the insulated conductive wire core 5 in pairs, and the second aluminum-based composite tape 10 is wrapped outside the insulated conductive wire core 5 formed by twisting in pairs. Four pairs of twisted shielding groups 4 are arranged in the shielding cable core 3, and the shielding cable core of the data cable is formed by concentric layer twisted cabling, so that the attenuation ATTUNATION, the near-end crosstalk attenuation NEXT reduction and the return loss RL reduction of the data transmission of the data cable are ensured, and the transmission of various signals is good. The first aluminum-based composite belt 9 is an aluminum-based composite belt with the thickness of 0.04mm, and the twisted shielding group is wound for shielding.
The insulated conductive wire core 5 comprises a conductive wire core 7, and an insulating layer 6 is arranged outside the conductive wire core 7. Illustratively, the conductive core 7 is formed by bundling a plurality of bare round copper wires, for example, in this embodiment, the round copper wires with a diameter of 0.16mm are bundled into 7 pieces. An insulating layer 6 is arranged outside the conductive wire core 7, and the insulating layer 6 is made of high-density polyethylene with low density, small thermal resistance and excellent electrical and mechanical properties by extrusion molding and is 0.25 mm. In the embodiment, the data cable pair-twisting group is formed by small-pitch pair twisting of white/orange, white/green, white/blue and white/brown 10-14-18-22. Further, a second aluminum-based composite belt 10 wraps the insulating conductive wire core 5 formed by the pair twisting, and the pair twisting group is shielded.
The insulating material of the utility model has small specific gravity, the cable has light weight, the sheath material has strong high and low temperature resistance, the cable has good strength, the electric field is uniformly distributed, the attenuation is reduced, the transmission signal is accurate and reliable, the environment adaptability is strong, and the appearance is beautiful.
Further, as shown in fig. 3, the utility model further provides an electromagnetic compatibility network data transmission cable assembly, which includes the electromagnetic compatibility network data transmission cable, an injection molding plug 11 is installed at an end of the electromagnetic compatibility network data transmission cable, the injection molding plug 11 includes a welding connector 12 and a second protective sleeve 13 wrapped outside the welding connector 12, and the second protective sleeve 13 is injection molded by using a low-temperature elastic protective sleeve to form an injection molding plug. Form the data transmission cable assembly of the electromagnetic compatibility network.
The outermost layer of the electromagnetic compatibility network data transmission cable adopts a three-proofing material sheath with excellent-50 ℃ low-temperature resistance effect to form the electromagnetic compatibility network data transmission cable, so that the cable has flexibility, low-temperature resistance and ageing resistance. The data cable transmits digital signals and analog signals, a conductive wire core 7 of the data cable is formed by bundling 7 bare round copper wires of 0.16, a polyethylene insulating layer is extruded on the conductive wire core 7 to serve as an insulating wire core 6, the insulating wire cores are twisted in pairs according to a certain small pitch to form an insulating conductive wire core 5, then the insulating conductive wire core 5 is wrapped with an aluminum plastic tape to shield an external interference source to form a pair-twisting shielding group 4, four groups of pair-twisting shields form a cable forming core of the data cable, and the aluminum plastic composite tape is wrapped outside the cable core in the cable forming process to ensure that the cable forming core is round and not loose, so that the characteristic impedance is stably kept within a specified value, the attenuation impedance is stable, the performance of the cable is improved, and the anti-interference cable core 3 is formed. An anti-oxidation tinned round copper wire is adopted to weave a layer of shielding outside the shielding cable core 3 to form a total shielding layer 2, so that the whole transmission of the data wire is smooth, interference signals are prevented from interfering the accurate transmission of data signals and images, and a ground wire 8 is added during weaving for reliable grounding during welding of connectors. The shielding core of the data cable is extruded into a low-temperature three-proofing sheath with excellent effect of resisting the low temperature of minus 50 ℃ to form an ideal electromagnetic compatibility network data transmission cable.
The present invention is not limited to the above embodiments, and the cross section of the power supply conductor and the number of cores may be increased or decreased as necessary, and various changes such as color, outer diameter, total shielding, and the like may be made in the present invention.
It will be appreciated by those skilled in the art that the above embodiments are merely preferred embodiments of the utility model, and thus, modifications and variations may be made in the utility model by those skilled in the art, which will embody the principles of the utility model and achieve the objects and objectives of the utility model while remaining within the scope of the utility model.
Claims (9)
1. The utility model provides an electromagnetic compatibility network data transmission cable, its characterized in that, includes shielding cable core (3), shielding cable core (3) are provided with earth connection (8) outward, shielding cable core (3) and earth connection (8) outer parcel have total shielding layer (2), total shielding layer (2) outer parcel has first lag (1), wherein, shielding cable core (3) include a plurality of pair twist shielding groups (4) and wrap up in a plurality of pair twist shielding groups (4) outer first aluminium base composite band (9), pair twist shielding group (4) are insulating conductive core (5) pair twist formation.
2. The emc cable according to claim 1, wherein four pairs of twisted shield groups (4) are arranged in the shield core (3).
3. The emc cable according to claim 1 or 2, wherein the twisted pair shielding group (4) comprises a twisted pair insulated conductive core (5), and the twisted pair insulated conductive core (5) is wrapped with a second aluminum-based composite tape (10).
4. The emc cable according to claim 3, wherein the insulated conductive core (5) comprises a conductive core (7), and an insulating layer (6) is disposed outside the conductive core (7).
5. The electromagnetic compatibility network data transmission cable of claim 4, wherein the conductive wire core (7) is formed by combining a plurality of bare round copper wires.
6. The electromagnetic compatibility network data transmission cable of claim 5, wherein the conductive wire core (7) is formed by combining 7 bare round copper wires.
7. The electromagnetic compatibility network data transmission cable of claim 1, characterized in that the total shield layer (2) is an anti-oxidation tin-plated round copper wire braided total shield layer.
8. An emc assembly comprising an emc according to any one of claims 1 to 7, the emc having an injection molded plug (11) mounted on an end thereof.
9. The emc assembly of claim 8, wherein said injection molded plug (11) comprises a soldered connector (12) and a second protective sleeve (13) wrapped around the soldered connector (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122894856.6U CN216212478U (en) | 2021-11-24 | 2021-11-24 | Electromagnetic compatibility network data transmission cable and assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122894856.6U CN216212478U (en) | 2021-11-24 | 2021-11-24 | Electromagnetic compatibility network data transmission cable and assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216212478U true CN216212478U (en) | 2022-04-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122894856.6U Active CN216212478U (en) | 2021-11-24 | 2021-11-24 | Electromagnetic compatibility network data transmission cable and assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216212478U (en) |
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2021
- 2021-11-24 CN CN202122894856.6U patent/CN216212478U/en active Active
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