CN212062007U - Electrical connection wire - Google Patents
Electrical connection wire Download PDFInfo
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- CN212062007U CN212062007U CN202020674619.1U CN202020674619U CN212062007U CN 212062007 U CN212062007 U CN 212062007U CN 202020674619 U CN202020674619 U CN 202020674619U CN 212062007 U CN212062007 U CN 212062007U
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- wire
- line
- frequency differential
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Abstract
The utility model discloses an electric connecting wire, including an insulating layer, one locate the interior row's of going up metal ground layer of insulating layer, and one locate the interior row's of metal ground layer down of insulating layer, a plurality of row's of locating metal ground layer and the interior ground signal line of the interior row's of metal ground layer down, a plurality of row's of locating metal ground layer and the interior high frequency differential of the interior row's of metal ground layer down of locating, a plurality of row's of locating metal ground layer and the interior ground wire group of metal ground layer down of locating, one locate the interior low frequency differential of the interior ground wire. By adopting the double-row structure, the loss can be reduced, the crosstalk can be isolated, the line width of an electric connecting line can be reduced, and the output quantity of current can be improved.
Description
Technical Field
The present invention relates to an electrical connection line, and more particularly to an electrical connection line with reduced loss, isolated crosstalk, and reduced line width and improved current output by using a double-row structure.
Background
USB, named Universal Serial Bus (USB), is a serial port bus standard for connecting computer systems and external devices, and is also a technical specification of input/output interfaces, and is widely used in communication products such as personal computers and mobile devices, and is expanded to other related fields such as video equipment, digital televisions, game consoles, and the like.
However, the number of lines is large, so that loss and interference are easily generated in the signal transmission process. In addition, the "crosstalk interference" will affect the high frequency transmission of the differential signal, and the differential signal pair, or the differential signal pair and the signal pair will cause the problem of unstable signal transmission if they are subjected to crosstalk interference during the high frequency signal transmission.
In addition, the internal portions of the electrical connection wires in the market are all single-row structures, and a plurality of signal pairs and differential signal pairs are horizontally arranged in a plastic layer in sequence, so that the structure is too single, the problem that the lateral width of the electrical connection wires is too large is caused, and the problem that the electrical connection wires cannot be suitable for large currents exists.
How to solve the above-mentioned existing problems and deficiencies is the direction in which the applicant of the present invention and the related manufacturers engaged in the industry need to research and improve.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings, the applicant of the present invention has searched relevant data, evaluated and considered in many ways, and designed the electrical connection line with reduced loss and isolated crosstalk by continuously trying and modifying through years of experience accumulated in the industry, and simultaneously shortened the line width and increased the current output by using the double-row structure.
The utility model discloses a main aim at: the line width of the electrical connection line is reduced through the upper row of metal grounding layers and the lower row of metal grounding layers, and the output quantity of current is increased through the power line group.
Another main objective of the present invention is to: the crosstalk interference of the high-frequency differential pair line set and the low-frequency differential pair line set is reduced through the structures of the grounding signal line and the grounding line set.
To achieve the above object, the electrical connection wire of the present invention comprises: the grounding signal lines comprise a first grounding signal line arranged on one side in the upper row of metal grounding layer, a second grounding signal line arranged on the other side in the upper row of metal grounding layer, a third grounding signal line arranged on one side in the lower row of metal grounding layer and a fourth grounding signal line arranged on the other side in the lower row of metal grounding layer. The upper metal grounding layer and the lower metal grounding layer are internally provided with a plurality of high-frequency differential pair line groups, each high-frequency differential pair line group comprises a first high-frequency differential pair line group which is arranged in the upper metal grounding layer and is positioned at one side of the first grounding signal line, which is far away from the insulating layer, a second high-frequency differential pair line group which is arranged in the upper metal grounding layer and is positioned at one side of the second grounding signal line, which is far away from the insulating layer, a third high-frequency differential pair line group which is arranged in the lower metal grounding layer and is positioned at one side of the third grounding signal line, which is far away from the insulating layer, and a fourth high-frequency differential pair line group which is arranged in the. A plurality of grounding wire sets are arranged in the upper row of metal grounding layers and the lower row of metal grounding layers, each grounding wire set comprises a first grounding wire set which is arranged in the upper row of metal grounding layers and is positioned at the side of the first high-frequency differential pair wire set, which deviates from the first grounding signal wire, a second grounding wire set which is arranged in the upper row of metal grounding layers and is positioned at the side of the first grounding wire set, which deviates from the first high-frequency differential pair wire set, a third grounding wire set which is arranged in the upper row of metal grounding layers and is positioned at the side of the second grounding wire set, which deviates from the, a fourth ground wire set arranged in the upper row of metal ground layers and positioned at the side of the third ground wire set, which deviates from the second ground wire set, a fifth ground wire set arranged in the lower row of metal ground layers and positioned at the side of the third high-frequency differential pair wire set, which deviates from the third ground signal wire, and a sixth ground wire set arranged in the lower row of metal ground layers and positioned at the side of the fourth high-frequency differential pair wire set, which deviates from the fourth ground signal wire. A low-frequency differential pair line set is arranged in the upper row of metal grounding layers and is positioned between the second grounding line set and the third grounding line set, a power line set is arranged in the lower row of metal grounding layers and is positioned between the fifth grounding line set and the sixth grounding line set.
From the above, the two sides of the high frequency differential pair line set are provided with the ground signal line and the ground line set, and the two sides of the low frequency differential pair line set are provided with the ground line set, so that the crosstalk interference between the high frequency differential pair line set and the low frequency differential pair line set during signal transmission can be isolated. Meanwhile, the design of the upper row and the lower row can reduce the whole width of the electric connecting wire, thereby improving the output quantity of current.
By adopting the technology, the problems of electrical loss, crosstalk interference, overlarge line width and incapability of being suitable for large-current output of the existing electric connecting line can be solved, and the practical progress of the advantages is achieved.
Drawings
Fig. 1 is a perspective view of the preferred embodiment of the present invention.
Fig. 2 is a front view of the preferred embodiment of the present invention.
Fig. 3 is a schematic view of the present invention.
Fig. 4 is a front view of another preferred embodiment of the present invention.
Wherein: an electrical connection line 100, a fourth high-frequency differential pair wire group 54, an insulation layer 1, 1a, a ground wire group 6, a braid 11a, a first ground wire group 61, an upper row of metal ground layers 2, 2a, a second ground wire group 62, a lower row of metal ground layers 3, 3a, a third ground wire group 63, a ground signal line 40, a fourth ground wire group 64, a signal line 401, a fifth ground wire group 65, a signal ground layer 402, a sixth ground wire group 66, a first ground signal line 41, a low-frequency differential pair wire group 7, a second ground signal line 42, a low-frequency differential signal line 71, a third ground signal line 43, a low-frequency differential insulation layer 72, a fourth ground signal line 44, a power wire group 8, a high-frequency differential pair wire group 50, a first power line 81, a high-frequency differential signal line 501, a second power line 82, the high-frequency differential insulating layer 502, the third power line 83, the first high-frequency differential pair line group 51, the fourth power line 84, the second high-frequency differential pair line group 52, the power insulating layer 85, the third high-frequency differential pair line group 53 and the electrical connector 9.
Detailed Description
To achieve the above objects and advantages, the present invention provides a technical means and structure, which is illustrated in the accompanying drawings for fully understanding the features and functions of the preferred embodiments of the present invention.
Referring to fig. 1 and 2, it can be clearly seen that the present invention is an electrical connection wire 100, the electrical connection wire 100 includes:
an insulating layer 1, wherein an upper row of metal grounding layer 2 and a lower row of metal grounding layer 3 positioned at the side of the upper row of metal grounding layer 2 are arranged in the insulating layer 1;
a plurality of ground signal lines 40, each ground signal line 40 including a first ground signal line 41 disposed on one side of the upper metal ground layer 2, a second ground signal line 42 disposed on the other side of the upper metal ground layer 2, a third ground signal line 43 disposed on one side of the lower metal ground layer 3, and a fourth ground signal line 44 disposed on the other side of the lower metal ground layer 3;
a plurality of high frequency differential pair line sets 50, each high frequency differential pair line set 50 comprising a first high frequency differential pair line set 51 disposed in the upper row of metal ground layer 2 and located at a side of the first ground signal line 41 away from the insulating layer 1, a second high frequency differential pair line set 52 disposed in the upper row of metal ground layer 2 and located at a side of the second ground signal line 42 away from the insulating layer 1, a third high frequency differential pair line set 53 disposed in the lower row of metal ground layer 3 and located at a side of the third ground signal line 43 away from the insulating layer 1, and a fourth high frequency differential pair line set 54 disposed in the lower row of metal ground layer 3 and located at a side of the fourth ground signal line 44 away from the insulating layer 1;
a plurality of ground line groups 6, each ground line group 6 includes a first ground line group 61 disposed in the upper metal ground layer 2 and located at a position where the first high frequency differential pair line group 51 deviates from the first ground signal line 41, a second ground line group 62 disposed in the upper metal ground layer 2 and located at a position where the first ground line group 61 deviates from the first high frequency differential pair line group 51, a third ground line group 63 disposed in the upper metal ground layer 2 and located at a position where the second ground line group 62 deviates from the first ground line group 61, a fourth ground line group 64 disposed in the upper metal ground layer 2 and located at a position where the third ground line group 63 deviates from the second ground line group 62, a fifth ground line group 65 disposed in the lower metal ground layer 3 and located at a position where the third high frequency differential pair line group 53 deviates from the third ground signal line 43, and a fourth ground line group 54 disposed in the lower metal ground layer 3 and located at a position where the fourth high frequency differential pair line group 54 deviates from the fourth ground line group 62 A sixth ground line group 66 at the signal line 44 side;
a low frequency differential pair wire set 7, wherein the low frequency differential pair wire set 7 is disposed in the upper row of metal ground layers 2 and located between the second ground wire set 62 and the third ground wire set 63; and
a power line group 8, wherein the power line group 8 is disposed in the lower metal ground layer 3 and located between the fifth ground line group 65 and the sixth ground line group 66.
In the present embodiment, the high frequency differential pair line set 50 has a plurality of high frequency differential signal lines 501 and a high frequency differential insulating layer 502 covering the outer sides of the high frequency differential signal lines 501, respectively, and the low frequency differential pair line set 7 has a plurality of low frequency differential signal lines 71 and a low frequency differential insulating layer 72 covering the outer sides of the low frequency differential signal lines 71.
In the present embodiment, each of the ground signal lines 40 has a signal line 401 and a signal ground layer 402 covering the outer side of the signal line 401, and the signal ground layer 402 contacts the upper metal ground layer 2, the lower metal ground layer 3, and the high frequency differential pair line set 50.
In this embodiment, the power line group 8 includes a first power line 81, a second power line 82 disposed at a side of the first power line 81, a third power line 83 disposed at a side of the second power line 82 away from the first power line 81, a fourth power line 84 disposed at a side of the third power line 83 away from the second power line 82, and a power insulating layer 85, and the first power line 81, the second power line 82, the third power line 83, and the fourth power line 84 are covered by the power insulating layer 85.
In this embodiment, the ground wire group 6 between the first high frequency differential pair wire group 51 and the low frequency differential pair wire group 7 collides with the first high frequency differential pair wire group 51 and the low frequency differential pair wire group 7. The ground wire set 6 between the second high frequency differential pair wire set 52 and the low frequency differential pair wire set 7 collides with the second high frequency differential pair wire set 52 and the low frequency differential pair wire set 7. And both sides of the power line group 8 touch the ground line group 6.
In this embodiment, the upper metal ground layer 2 and the lower metal ground layer 3 are disposed between the first high-frequency differential pair line group 51 and the third high-frequency differential pair line group 53, and the upper metal ground layer 2 and the lower metal ground layer 3 are disposed between the second high-frequency differential pair line group 52 and the fourth high-frequency differential pair line group 54.
In this embodiment, the first ground signal line 41, the first high-frequency differential pair line group 51, the first ground line group 61, the second ground line group 62, the low-frequency differential pair line group 7, the third ground line group 63, the fourth ground line group 64, the second high-frequency differential pair line group 52, and the second ground signal line 42 contact the inner side of the upper metal ground layer 2, and the third ground signal line 43, the third high-frequency differential pair line group 53, the fifth ground line group 65, the power line group 8, the sixth ground line group 66, the fourth high-frequency differential pair line group 54, and the fourth ground signal line 44 contact the inner side of the lower metal ground layer 3.
Preferably, the upper metal ground layer 2, the lower metal ground layer 3, and the signal ground layer 402 are one of copper foil or aluminum foil.
Preferably, the insulating layer 1, the high frequency differential insulating layer 502, the low frequency differential insulating layer 72, and the power insulating layer 85 are plastic.
From the above description, it is understood that the structure of the present technology can reduce loss and crosstalk interference, reduce the width of the electrical connection line 100, and increase the output of current according to the corresponding coordination of the structure, and the detailed description will be described below.
Referring to fig. 1 to 3, when the above-mentioned components are assembled, it can be seen clearly from the drawings that the present invention can be electrically connected to a corresponding electrical connector 9, in which the electrical connector 9 of the present embodiment is exemplified by a USB connector, so as to be used as a medium for signal transmission to transmit signals to an electronic device to be used.
In the process of transmitting signals between the high frequency differential pair wire set 50 and the low frequency differential pair wire set 7, the ground signal wires 40 and the ground wire sets 6 on the left and right sides of the high frequency differential pair wire set 50 can be used as ground wires, the upper metal ground layers 2 abutting on the upper and lower sides of the first high frequency differential pair wire set 51 and the second high frequency differential pair wire set 52 also have a grounding effect, and the lower metal ground layers 3 abutting on the upper and lower sides of the third high frequency differential pair wire set 53 and the fourth high frequency differential pair wire set 54 also have a grounding effect, so that the peripheries of the high frequency differential pair wire sets 50 all have a grounding effect to form a balance and isolate crosstalk interference, and simultaneously reduce the loss during signal transmission.
The left and right sides of the low frequency differential pair wire set 7 touch the second ground wire set 62 and the third ground wire set 63, respectively, and the upper and lower sides touch the upper row of metal ground layers 2, so that the same function as the high frequency differential pair wire set 50 can be generated.
In addition, when the power line group 8 is used for transmitting power, the left side and the right side of the power line group 8 respectively abut against the fifth ground line group 65 and the sixth ground line group 66, and the upper side and the lower side of the power line group abut against the lower metal ground layer 3, so that the minimization of a power circuit is achieved, the coplanar waveguide is formed, the coplanar waveguide is used for manufacturing a central conductor strip on one surface of the dielectric substrate, and conductor planes are manufactured on two sides close to the central conductor strip, the power line group 8 is the central conductor strip, and the fifth ground line group 65 and the sixth ground line group 66 are the conductor planes, so that the current output quantity of the power line group 8 is improved.
And go up the design of row metal ground plane 2 and lower row metal ground plane 3, make the utility model discloses the structure that can be double sets up each subassembly in insulating layer 1, and then reduces the width of electric connecting wire 100, makes the utility model discloses can be applicable to in the different occasions.
In addition, among the current transmission line, all can be in the difference to the outside cladding metal levels such as aluminium foil, in order to prevent signal mutual interference, then, the utility model discloses a high frequency difference all contains ground connection to group 50 and low frequency difference to group 7 both sides, consequently, the utility model discloses a high frequency difference insulating layer 502 and low frequency difference insulating layer 72 then need not to use the metal material, but as above use the plastics material to cladding high frequency signal difference line 501 and low frequency signal difference line 71 wherein, borrow this, can reduce the cost on the manufacturing, promote the utility model discloses a practicality.
As shown in fig. 4, when the above-mentioned component structure is adopted, it can be clearly seen from the figure that the present embodiment is different from the above-mentioned embodiments in the same size, in the present embodiment, a woven layer 11a is disposed around the inner side of the insulating layer 1a, and the woven layer 11a covers the upper metal ground layer 2a and the lower metal ground layer 3a, and the woven layer 11a improves the overall toughness, so that the insulating layer 1a can bear a certain stress, and further the overall practical convenience is improved.
Therefore, the utility model discloses an electric connecting wire can improve prior art's key and lie in:
first, the line width of the electrical connection line 100 is reduced by the upper metal ground layer 2 and the lower metal ground layer 3, thereby being suitable for different situations.
Secondly, the output of current is increased by the structure that the ground line group 6 is arranged on both sides of the power line group 8, thereby forming a coplanar waveguide.
Third, the ground signal line 40 and the ground line group 6 are disposed on two sides of the high frequency differential pair line group 50 to reduce loss and isolate crosstalk interference.
Fourthly, the grounding wire set 6 is arranged on the two sides of the low-frequency differential pair wire set 7, so that the loss is reduced and the crosstalk interference is isolated.
Fifthly, the structure of the braided layer 11a improves the overall toughness.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, so that the contents of the specification and the drawings are simplified and the equivalent structure changes are all included in the scope of the present invention.
Claims (10)
1. An electrical connection wire, comprising:
an insulating layer, wherein an upper row of metal grounding layers and a lower row of metal grounding layers positioned at the side of the upper row of metal grounding layers are arranged in the insulating layer;
a plurality of ground signal lines, each including a first ground signal line disposed on one side of the upper row of metal ground layers, a second ground signal line disposed on the other side of the upper row of metal ground layers, a third ground signal line disposed on one side of the lower row of metal ground layers, and a fourth ground signal line disposed on the other side of the lower row of metal ground layers;
a plurality of high-frequency differential pair line sets, wherein each high-frequency differential pair line set comprises a first high-frequency differential pair line set which is arranged in the upper row of metal grounding layer and is positioned at one side of the first grounding signal line, which is deviated from the insulating layer, a second high-frequency differential pair line set which is arranged in the upper row of metal grounding layer and is positioned at one side of the second grounding signal line, which is deviated from the insulating layer, a third high-frequency differential pair line set which is arranged in the lower row of metal grounding layer and is positioned at one side of the third grounding signal line, which is deviated from the insulating layer, and a fourth high-frequency differential pair line set which is arranged in the lower row of metal grounding layer and is positioned at one side of the fourth grounding;
a plurality of grounding wire sets, each grounding wire set comprises a first grounding wire set which is arranged in the upper row of metal grounding layers and is positioned at the side of the first high-frequency differential pair wire set, which deviates from the first grounding signal wire, a second grounding wire set which is arranged in the upper row of metal grounding layers and is positioned at the side of the first grounding wire set, which deviates from the first high-frequency differential pair wire set, a third grounding wire set which is arranged in the upper row of metal grounding layers and is positioned at the side of the second grounding wire set, which deviates from the first grounding wire set, a fourth ground line group arranged in the upper row of metal ground layers and located at the side of the third ground line group, which deviates from the second ground line group, a fifth ground line group arranged in the lower row of metal ground layers and located at the side of the third high-frequency differential pair line group, which deviates from the third ground signal line, and a sixth ground line group arranged in the lower row of metal ground layers and located at the side of the fourth high-frequency differential pair line group, which deviates from the fourth ground signal line;
the low-frequency differential pair line set is arranged in the upper row of metal grounding layers and is positioned between the second grounding line set and the third grounding line set; and
and the power line group is arranged in the lower row of metal grounding layers and is positioned between the fifth grounding line group and the sixth grounding line group.
2. The electrical connection wire according to claim 1, wherein each of the high frequency differential pair wire groups has a plurality of high frequency signal differential wires and a high frequency differential insulating layer coated at an outer side of each of the high frequency signal differential wires, respectively, and the low frequency differential pair wire group has a plurality of low frequency signal differential wires and a low frequency differential insulating layer coated at an outer side of each of the low frequency signal differential wires.
3. The electrical connection wire of claim 1, wherein the number of the ground wire groups between the first high frequency differential pair wire group and the low frequency differential pair wire group is two and interferes with the first high frequency differential pair wire group and the low frequency differential pair wire group, and the number of the ground wire groups between the second high frequency differential pair wire group and the low frequency differential pair wire group is two and interferes with the second high frequency differential pair wire group and the low frequency differential pair wire group.
4. The electrical connection wire of claim 1, wherein each ground signal wire has a signal wire and a signal ground layer covering the signal wire, and each signal ground layer contacts the upper row of metal ground layers, the lower row of metal ground layers, and each high frequency differential pair wire set.
5. The electrical connection line of claim 1, wherein the upper metal ground layer and the lower metal ground layer are between the first high frequency differential pair line group and the third high frequency differential pair line group, and the upper metal ground layer and the lower metal ground layer are also between the second high frequency differential pair line group and the fourth high frequency differential pair line group.
6. The electrical connection wire of claim 1, wherein two sides of the power wire set touch the ground wire sets to shrink the power loop of the power wire set.
7. The electrical connection wire of claim 1 wherein a braid is disposed around the inside of the dielectric layer and encapsulates the upper and lower metal ground layers.
8. The electrical connection wire of claim 1, wherein the first ground signal wire, the first high frequency differential pair wire set, the first ground wire set, the second ground wire set, the low frequency differential pair wire set, the third ground wire set, the fourth ground wire set, the second high frequency differential pair wire set and the second ground signal wire contact the inner side of the upper row of metal ground layers, and the third ground signal wire, the third high frequency differential pair wire set, the fifth ground wire set, the power wire set, the sixth ground wire set, the fourth high frequency differential pair wire set and the fourth ground signal wire contact the inner side of the lower row of metal ground layers.
9. An electrical connection wire, comprising:
the low-frequency differential pair line set is provided with an upper row of metal protection layers around the outer side;
the power line group is arranged at the side of the low-frequency differential pair line group, a lower row of metal protective layers are arranged at the outer side of the power line group in a surrounding mode, the power line group comprises a first power line, a second power line arranged at the side of the first power line, a third power line arranged at the side of the second power line, which is deviated from the first power line, a fourth power line arranged at the side of the third power line, which is deviated from the second power line, and a power insulating layer, and the first power line, the second power line, the third power line and the fourth power line are wrapped in the power insulating layer;
each grounding wire group comprises a second grounding wire group arranged on one side of the low-frequency differential paired wire group, a third grounding wire group arranged on the other side of the low-frequency differential paired wire group, a first grounding wire group arranged on the position, deviating from the low-frequency differential paired wire group, of the second grounding wire group, a fourth grounding wire group arranged on the position, deviating from the low-frequency differential paired wire group, of the third grounding wire group, a fifth grounding wire group arranged on one side of the power wire group, and a sixth grounding wire group arranged on the other side of the power wire group;
each high-frequency differential pair line group comprises a first high-frequency differential pair line group arranged at the side of the first ground line group, which deviates from the second ground line group, a second high-frequency differential pair line group arranged at the side of the fourth ground line group, which deviates from the third ground line group, a third high-frequency differential pair line group arranged at the side of the fifth ground line group, which deviates from the power line group, and a fourth high-frequency differential pair line group arranged at the side of the sixth ground line group, which deviates from the power line group; and
and each ground signal line comprises a first ground signal line arranged at the side of the first high-frequency differential pair line group departing from the first ground line group, a second ground signal line arranged at the side of the second high-frequency differential pair line group departing from the fourth ground line group, a third ground signal line arranged at the side of the third high-frequency differential pair line group departing from the fifth ground line group, and a fourth ground signal line arranged at the side of the fourth high-frequency differential pair line group departing from the sixth ground line group.
10. The electrical connection of claim 9 wherein a braid is disposed around the inside of the dielectric layer and encapsulates the upper and lower metal ground layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020674619.1U CN212062007U (en) | 2020-04-28 | 2020-04-28 | Electrical connection wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020674619.1U CN212062007U (en) | 2020-04-28 | 2020-04-28 | Electrical connection wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212062007U true CN212062007U (en) | 2020-12-01 |
Family
ID=73517906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020674619.1U Expired - Fee Related CN212062007U (en) | 2020-04-28 | 2020-04-28 | Electrical connection wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212062007U (en) |
-
2020
- 2020-04-28 CN CN202020674619.1U patent/CN212062007U/en not_active Expired - Fee Related
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Granted publication date: 20201201 |