CN213093517U - Anti-interference VGA connecting wire - Google Patents
Anti-interference VGA connecting wire Download PDFInfo
- Publication number
- CN213093517U CN213093517U CN202021771411.8U CN202021771411U CN213093517U CN 213093517 U CN213093517 U CN 213093517U CN 202021771411 U CN202021771411 U CN 202021771411U CN 213093517 U CN213093517 U CN 213093517U
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- electromagnetic wave
- vga
- connecting wire
- layer
- interference
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Abstract
The utility model relates to a connecting wire technical field specifically is an anti-interference VGA connecting wire, including the VGA bayonet joint, connect two the connecting wire that the VGA bayonet joint adopted, its characterized in that: the transmission line, the inner electromagnetic wave absorption layer, the electromagnetic wave shielding layer, the outer electromagnetic wave absorption layer and the plastic outer layer are sequentially arranged in the connecting line from inside to outside; in practical application, the VGA plug is connected to the electronic equipment, and external electromagnetic wave interference is absorbed through the external electromagnetic wave absorption layer; the inner electromagnetic wave absorption layer absorbs electromagnetic waves generated by the internal transmission line, the electromagnetic wave shielding layer shields and isolates the electromagnetic waves which are not completely absorbed by the outer electromagnetic wave absorption layer and the inner electromagnetic wave absorption layer, and the plastic outer layer protects the connecting wire; the utility model discloses can prevent that the VGA connecting wire from producing the electromagnetic wave that disturbs external electronic equipment, can prevent external electromagnetic wave again and disturb VGA connecting wire transmission quality.
Description
Technical Field
The utility model relates to a connecting wire technical field specifically is an anti-interference VGA connecting wire.
Background
The VGA wire is a data transmission line which is connected with a computer display card and a display or a television and is used for transmitting information. It is responsible for outputting corresponding image signals to the display, and is a bridge between the computer and the display.
The VGA connecting wire is often used together with connecting wires of other electronic products when data is transmitted, video signals are easily interfered by external electromagnetic waves in the transmission process, meanwhile, electromagnetic waves are generated to interfere external electronic equipment, namely, an EMC effect is generated, the EM effect interferes the transmission of the signals, the quality of signal transmission is reduced, and the influence on the electronic equipment is large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to foretell not enough, provide one kind and can prevent that the VGA connecting wire from producing the electromagnetic wave that disturbs external electronic equipment, can prevent external electromagnetic wave again and disturb the anti-interference VGA connecting wire of VGA connecting wire transmission quality.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an anti-interference VGA connecting wire, includes the VGA bayonet joint, connects two the connecting wire that the VGA bayonet joint adopted, its characterized in that: the connecting wire is sequentially provided with a transmission line, an inner electromagnetic wave absorption layer, an electromagnetic wave shielding layer, an outer electromagnetic wave absorption layer and a plastic outer layer from inside to outside, the inner electromagnetic wave absorption layer is sleeved on the transmission line, the electromagnetic wave shielding layer is sprayed on the inner electromagnetic wave absorption layer, the outer electromagnetic wave absorption layer is sleeved on the electromagnetic wave shielding layer, and the plastic outer layer is sleeved on the outer electromagnetic wave absorption layer.
Further, be provided with the metal shielding shell on the VGA plug, the metal shielding shell includes metal epitheca and metal inferior valve, metal epitheca and metal inferior valve joint are in on the VGA plug.
Furthermore, the connecting wire is sleeved with at least one anti-interference magnetic ring, and the at least one anti-interference magnetic ring is distributed at equal intervals along the length direction of the connecting wire.
Furthermore, the transmission line is at least two strands, any one strand of the transmission line is two adjacent data lines, and the two adjacent data lines are wound together in a cross winding mode to form a twisted pair.
Further, the inner electromagnetic wave absorption layer and the outer electromagnetic wave absorption layer are both made of electromagnetic wave absorption materials.
Furthermore, the electromagnetic wave shielding layer is made of an electromagnetic wave shielding material by spraying.
The utility model has the advantages that:
in practical application, the VGA plug is connected to the electronic equipment, and external electromagnetic wave interference is absorbed through the external electromagnetic wave absorption layer; the inner electromagnetic wave absorption layer absorbs electromagnetic waves generated by the internal transmission line, the electromagnetic wave shielding layer shields and isolates the electromagnetic waves which are not completely absorbed by the outer electromagnetic wave absorption layer and the inner electromagnetic wave absorption layer, and the plastic outer layer protects the connecting wire; the utility model discloses can prevent that the VGA connecting wire from producing the electromagnetic wave that disturbs external electronic equipment, can prevent external electromagnetic wave again and disturb VGA connecting wire transmission quality.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a sectional view taken at A-A in FIG. 1;
reference numerals: VGA connector 1; a connecting wire 2; a data line 211; a transmission line 21; an inner electromagnetic wave absorption layer 22; an electromagnetic wave shielding layer 23; an outer electromagnetic wave absorbing layer 24; an outer layer 25 of plastic; a metal shield case 3; an anti-interference magnetic ring 4.
Detailed Description
As shown in fig. 1 and fig. 2, an anti-interference VGA connecting wire, including VGA connector 1, connect two connecting wire 2 that VGA connector 1 adopted, its characterized in that: by interior and outer transmission line 21, interior electromagnetic wave absorbed layer 22, electromagnetic wave shielding layer 23, outer electromagnetic wave absorbed layer 24 and the outer 25 of plastics have set gradually in the connecting wire 2, interior electromagnetic wave absorbed layer 22 cover is established on the transmission line 21, electromagnetic wave shielding layer 23 spraying is on including electromagnetic wave absorbed layer 22, outer electromagnetic wave absorbed layer 24 cover is established on the electromagnetic wave shielding layer 23, the outer 25 cover of plastics is established on the outer electromagnetic wave absorbed layer 24.
When the VGA plug connector 1 works, the VGA plug connector 1 is connected to electronic equipment, and external electromagnetic wave interference is absorbed through the external electromagnetic wave absorption layer 24; the electromagnetic wave generated by the internal transmission line 21 is absorbed by the internal electromagnetic wave absorption layer 22, the electromagnetic wave which is not completely absorbed by the external electromagnetic wave absorption layer 24 and the internal electromagnetic wave absorption layer 22 is shielded and isolated by the electromagnetic wave shielding layer 23, and the connecting wire 2 is protected by the plastic outer layer 25; the utility model discloses can prevent that VGA connecting wire 2 from producing the electromagnetic wave that disturbs external electronic equipment, can prevent external electromagnetic wave again and disturb VGA connecting wire 2 transmission quality.
As shown in fig. 1 and 2, a metal shielding shell 3 is arranged on the VGA connector 1, the metal shielding shell 3 includes a metal upper shell and a metal lower shell, and the metal upper shell and the metal lower shell are clamped on the VGA connector 1; in this embodiment, through metal epitheca and metal lower casing joint on VGA bayonet joint 1, prevent that external electromagnetic wave from producing the interference to VGA bayonet joint 1 department, the result of use is better.
As shown in fig. 1 and fig. 2, the connection line 2 is sleeved with at least one anti-interference magnetic ring 4, and at least one anti-interference magnetic ring 4 is distributed at equal intervals along the length direction of the connection line 2; in this embodiment, through the equidistantly distributed interference-proof magnetic rings 4, the electromagnetic waves generated by the current conduction of the wire body of the connecting wire 2 are prevented from interfering the normal operation of other electronic devices.
As shown in fig. 1 and fig. 2, the transmission line 21 is at least two, and any one of the transmission lines 21 is two adjacent data lines 211, and the two adjacent data lines 211 are twisted together in a cross winding manner to form a twisted pair; in this embodiment, each two data lines 211 are wound into a twisted pair, so that current noise is reduced and harm caused by interference is reduced.
As shown in fig. 1 and 2, the inner electromagnetic wave absorption layer 22 and the outer electromagnetic wave absorption layer 24 are made of electromagnetic wave absorption materials; in this embodiment, the electromagnetic wave absorbing layer 22 made of the electromagnetic wave absorbing material can absorb the excessive electromagnetic waves, and the absorption effect is good.
As shown in fig. 1 and 2, the electromagnetic wave shielding layer 23 is made by spraying an electromagnetic wave shielding material; in this embodiment, the electromagnetic wave shielding material is a conductive paint mixed with metal powder, and the electromagnetic wave shielding layer 23 formed by spraying the electromagnetic wave shielding material can effectively shield electromagnetic waves.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.
Claims (6)
1. The utility model provides an anti-interference VGA connecting wire, includes VGA bayonet joint (1), connects two connecting wire (2) that VGA bayonet joint (1) adopted, its characterized in that: by interior and outer transmission line (21), interior electromagnetic wave absorbed layer (22), electromagnetic wave shielding layer (23), outer electromagnetic wave absorbed layer (24) and plastics outer layer (25) have set gradually in connecting wire (2), interior electromagnetic wave absorbed layer (22) cover is established on transmission line (21), electromagnetic wave absorbed layer (22) including electromagnetic wave shielding layer (23) spraying is on, outer electromagnetic wave absorbed layer (24) cover is established on electromagnetic wave shielding layer (23), plastics outer (25) cover is established on outer electromagnetic wave absorbed layer (24).
2. The anti-interference VGA connection wire of claim 1, wherein: the VGA connector comprises a VGA connector body and is characterized in that a metal shielding shell (3) is arranged on the VGA connector body (1), the metal shielding shell (3) comprises a metal upper shell and a metal lower shell, and the metal upper shell and the metal lower shell are clamped on the VGA connector body (1).
3. The anti-interference VGA connection wire of claim 1, wherein: the anti-interference magnetic rings (4) are sleeved on the connecting wire (2), at least one anti-interference magnetic ring (4) is arranged, and at least one anti-interference magnetic ring (4) is distributed in an equidistance mode along the length direction of the connecting wire (2).
4. The anti-interference VGA connection wire of claim 1, wherein: the transmission line (21) is at least two strands, any one strand of the transmission line (21) is two adjacent data lines (211), and the two adjacent data lines (211) are wound together in a cross winding manner to form a twisted pair.
5. The anti-interference VGA connection wire of claim 1, wherein: the inner electromagnetic wave absorption layer (22) and the outer electromagnetic wave absorption layer (24) are both made of electromagnetic wave absorption materials.
6. The anti-interference VGA connection wire of claim 1, wherein: the electromagnetic wave shielding layer (23) is made of an electromagnetic wave shielding material by spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021771411.8U CN213093517U (en) | 2020-08-24 | 2020-08-24 | Anti-interference VGA connecting wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021771411.8U CN213093517U (en) | 2020-08-24 | 2020-08-24 | Anti-interference VGA connecting wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213093517U true CN213093517U (en) | 2021-04-30 |
Family
ID=75631369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021771411.8U Expired - Fee Related CN213093517U (en) | 2020-08-24 | 2020-08-24 | Anti-interference VGA connecting wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213093517U (en) |
-
2020
- 2020-08-24 CN CN202021771411.8U patent/CN213093517U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210430 Termination date: 20210824 |
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| CF01 | Termination of patent right due to non-payment of annual fee |