TWI756658B - electrical connection line - Google Patents

Abstract

The present invention relates to an electrical connection line, the main structure includes an insulating layer, the insulating layer is provided with a grounding layer, and the grounding layer is annularly arranged with a plurality of differential pair wire groups and a plurality of outer ground wires, and the differential pair wire group includes a A first differential pair line group, a second differential pair line group, a third differential pair line group, a fourth differential pair line group, and a fifth differential pair line group, the outer ground wire includes a first outer ground wire , a second outer ground wire, a third outer ground wire, a fourth outer ground wire, and a fifth outer ground wire, and the inner side of the differential pair line group and the outer ground wire is annularly arranged with a plurality of ground wires The signal line, the ground signal line includes a plurality of signal line groups and an inner ground line, and the signal line group includes a first signal line group, a second signal line group, a third signal line group, and a fourth signal line group There is a power line inside the grounding signal line to strengthen the isolation of crosstalk and reduce the chance of noise leakage, so as to reduce the interference of the signal and the interference of the power line and the differential pair of the line group.

Description

electrical connection line

The present invention provides an electrical connecting wire, especially an electrical connecting wire that reduces the chance of mutual interference.

Press, with the progress of the times, all kinds of electronic products are emerging in an endless stream. As for the connection between various electronic products, or the connection between the internal parts of the electronic product itself, most of them will be used to connect cables and connectors. Most of the specifications for interconnecting computer systems or mobile phone systems are based on USB (Universal Serial Bus).

Most of the USB connectors are equipped with a tongue plate, and multiple terminals are arranged on the tongue plate, and because the functions of each terminal are not the same, it is easy to generate mutual radio signal interference, so many people will By changing the arrangement of the terminals, the chance of signal interference between the terminals is reduced. However, in fact, the transmission lines connecting the connectors also have connection lines corresponding to the terminals. In general transmission lines, each connection line is often wrapped around randomly In order to reduce the volume of the transmission line, but in this way, it will cause mutual interference between the connection lines with different functions, and then the transmitted signal will be distorted or interfered with each other.

Therefore, how to solve the above-mentioned conventional problems and deficiencies is the direction that the applicant of the present invention and related manufacturers in the industry are eager to research and improve.

Therefore, in view of the above deficiencies, the inventor of the present invention collects relevant information, evaluates and considers from various parties, and uses years of experience accumulated in this industry, through continuous trials and revisions, to design this kind of reduction. The inventor of the electrical connection cable for signal interference.

The main purpose of the present invention is to reduce the interference of the power line to the differential pair line group through the ground signal line, and to reduce the mutual interference between the differential pair line group through the outer ground line.

In order to achieve the above purpose, the main structure of the present invention includes: an insulating layer, a The ground layer in the edge layer, the differential pair line groups arranged in a plurality of rings arranged on the inner side of the ground layer, the plurality of ring lines arranged on the inner side of the ground layer and located on the side of the differential pair line group, the outer ground lines, and the plurality of rings arranged in A differential pair line group, a ground signal line inside the outer ground line, and a power line located inside the ground signal line, wherein the differential pair line group includes a first differential pair line group and a first differential pair line. A second differential pair set at the set side, a third differential pair set at the side of the second differential pair set, and a fourth differential pair set at the side of the third differential pair set , and a fifth differential pair set at the side of the fourth differential pair, and the outer ground wire includes a first outer ground wire, a second outer ground at the side of the first outer ground wire wire, a third outer ground wire provided at the second outer ground wire side, a fourth outer ground wire provided at the third outer ground wire side, and a fourth outer ground wire side The fifth outer ground line, the ground signal line includes a plurality of signal line groups located at the side of the outer ground line, and an inner ground line located at the side of the outer ground line, and the signal line group includes a first signal line group, A second signal line group provided at the side of the first signal line group, a third signal line group provided at the side of the second signal line group, and a third signal line group provided at the side of the third signal line group Set of four signal lines.

With the above structure, the power line and the ground signal line can be contacted and coupled to each other to shorten the ground current loop between them, thereby reducing the signal interference of the power line to the differential pair line group, and passing between the differential pair line group. The outer ground wire and the ground signal wire are isolated from each other to isolate crosstalk and prevent mutual interference between differential pairs.

With the above-mentioned technology, a breakthrough can be made to solve the problem of mutual interference of conventional transmission lines, and the practical progress of the above-mentioned advantages can be achieved.

1: Electrical connection line

21: Insulation layer

22: Ground plane

221: Metal braid

222: Metal protective layer

3: Differential pair line set

31: Differential signal line

32: Differential insulation layer

33: The first differential pair line set

34: Second differential pair line set

35: The third differential pair line set

36: Fourth differential pair line set

37: Fifth differential pair line set

4: Outside ground wire

41: The first outer ground wire

42: Second outer ground wire

43: The third outer ground wire

44: Fourth outer ground wire

45: Fifth outer ground wire

5: Ground signal line

51: Signal line group

511: Signal line

512: Metal ground plane

513: The first signal line group

514: The second signal line group

515: The third signal line group

516: Fourth signal line group

52: Inner ground wire

6: Avoidance space

7: Power cord

8: Connector

The first figure is a perspective view of a preferred embodiment of the present invention.

The second figure is a front view of the preferred embodiment of the present invention.

The third figure is a schematic diagram of the use of the preferred embodiment of the present invention.

In order to achieve the above objects and effects, the technical means and structures adopted by the present invention are described in detail with reference to the preferred embodiments of the present invention, and the features and functions are as follows, so as to be fully understood.

Please refer to the first figure to the third figure, which are the three-dimensional view to the use schematic diagram of the preferred embodiment of the present invention. :

an insulating layer 21, the insulating layer 21 is an example of a plastic outer layer;

A grounding layer 22 is disposed on the inner side of the insulating layer 21. The grounding layer 22 includes a metal braided layer 221 and a metal protective layer 222. The metal braided layer 221 in this embodiment is formed by alternately braiding a plurality of metal wires. The protective layer 222 is a copper foil layer as an example, so that the metal protective layer 222, the metal braided layer 221, and the insulating layer 21 are sequentially formed from the inside to the outside from the center of the electrical connection line 1;

A plurality of differential pair line groups 3 arranged in a ring-like arrangement on the inner side of the metal protective layer 222 , and each differential pair line group 3 has a plurality of differential signal lines 31 and a differential insulating layer 32 covering the outer side of the differential signal lines 31 , the differential insulating layer 32 is exemplified by a plastic outer skin covering the differential signal line 31 , and the differential pair line groups 3 include a first differential pair line group 33 , and a first differential pair line group 33 provided in the first differential pair line group 33 . A second differential pair line set 34 at the side, a third differential pair line set 35 provided at the side of the second differential pair line set 34, and a fourth differential pair line set 35 provided at the side of the third differential pair line set 35 a pair of wires 36, and a fifth differential pair of wires 37 disposed at the side of the fourth differential pair of wires 36;

A plurality of annularly arranged outer ground wires 4 are arranged inside the metal protective layer 222, and the outer ground wires 4 are in contact with the metal protective layer 222. The outer ground wires 4 include a first outer ground wire 41, a A second outer ground wire 42 on the side of the first outer ground wire 41 , a third outer ground wire 43 on the side of the second outer ground wire 42 , and a third outer ground wire 43 on the side of the third outer ground wire 43 A fourth outer ground wire 44 and a fifth outer ground wire 45 disposed on the side of the fourth outer ground wire 44, and the first outer ground wire 41 is located between the first differential pair 33 and the second differential pair Between the pair 34, the second outer ground wire 42 is located between the second differential pair 34 and the third differential pair 35, and the third outer ground 43 is located in the third differential pair 35 and the fourth differential pair wire group 36, the fourth outer ground wire 44 is located between the fourth differential pair wire group 36 and the fifth differential pair wire group 37, and the fifth outer ground wire 45 is located in the Between the fifth differential pair wire set 37 and the first differential pair wire set 33, there is an outer ground wire 4 between the differential pair wire set 3;

A plurality of ground signal lines 5 arranged in a ring-shaped arrangement on the inner side of the outer ground line 4, and the ground signal line 5 includes a plurality of signal line groups 51 located inside the outer ground line 4 and a ground signal line 51 located on the outer side. The inner ground line 52 inside the line 4, wherein each signal line group 51 has a signal line 511 and a metal ground layer 512 covering the outside of the signal line 511, and the number of the ground signal lines 5 is the same as the number of the outer ground lines 4 Equivalently, each outer ground wire 4 and each ground signal wire 5 are in contact with each other in a one-to-one manner, so the signal wire groups 51 include a first signal wire group 513 in contact with the first outer ground wire 41 , A second signal line group 514 located on the side of the first signal line group 513 and in contact with the second outer ground line 42, and a second signal line group 514 located on the side of the second signal line group 514 and grounded with the third outer side A third signal line group 515 in contact with the line 43, and a fourth signal line group 516 disposed at the side of the third signal line group 515 and in contact with the fourth outer ground line 44, and the inner ground line 52 will In contact with the fifth outer ground wire 45, the first outer ground wire 41 and the first signal wire group 513 are located between the first differential pair wire group 33 and the second differential pair wire group 34, and the The second outer ground line 42 and the second signal line group 514 are located between the second differential pair line group 34 and the third differential pair line group 35 , the third outer ground line 43 and the third signal line group 515 Located between the third differential pair wire set 35 and the fourth differential pair wire set 36, the fourth outer ground wire 44 and the fourth signal wire set 516 are located between the fourth differential pair wire set 36 and the fifth differential pair Between the wire sets 37, the fifth outer ground wire 45 and the inner ground wire 52 are located between the fifth differential pair wire set 37 and the first differential pair wire set 33, so between the differential pair wire sets 3 Both have an outer ground wire 4 and a ground signal wire 5;

a plurality of escape spaces 6 defined between each differential pair line set 3 and the outer ground line 4 and the ground signal line 5; and

A power supply line 7 is arranged inside the grounding signal line 5 , and the grounding signal lines 5 are arranged around the outside of the power supply line 7 in sequence.

From the above description, the structure of the present technology can be understood, and according to the corresponding cooperation of this structure, it is possible to reduce the interference of the power line 7 to the differential pair of wire sets 3 and reduce the interference between the differential pair of wire sets 3. Advantages, and a detailed explanation will be described below.

Therefore, when the electrical connecting wire 1 is in use, the electrical connecting wire 1 is connected to the corresponding connector 8 so as to be inserted into the required electronic machinery to transmit power and signals.

At this time, since the signal line group 51 in the ground signal line 5 is provided with a metal ground layer 512 for grounding on the outside of the signal line 511 for signal transmission, the signal line group 51 and the inner ground line 52 can be used as the ground line The ground signal line 5 is arranged around the outer side of the power line 7, and is connected to the metal protective layer 222 and the metal layer in the ground layer 22 with the outer ground line 4. The braiding layer 221 is coupled to each other to shorten the ground loop of the power line 7 , thereby preventing the current signal generated by the power line 7 from interfering with the differential pair line set 3 .

In addition, there will be an escape space 6 between each differential pair line group 3 and the outer ground line 4 and the ground signal line 5, so that the differential pair line group 3 can have space for winding action, and because each ground signal line 5 It will contact each outer ground wire 4 respectively, so no matter how it is wound, in the circumferential direction of the cross section of the electrical connection wire 1, there will be an outer ground wire 4 and a ground signal wire 5 between each differential pair wire set 3, thereby In order to prevent the signal interference between the differential pair line set 3 through the blocking effect of the outer ground wire 4 and the ground signal wire 5, in the normal transmission line, a metal layer will be set outside the high and low frequency differential signal lines to prevent the signal from being outside. leakage and mutual interference, but the differential pair wire set 3 in this case has been isolated from each other by the outer ground wire 4 and the ground signal wire 5, so each differential signal wire 31 only needs to be covered with a plastic differential insulating layer 32. The cost can also be reduced, and a metal protective layer 222 is arranged on the inner side of the metal braided layer 221, thereby preventing the metal braided layer 221 from rubbing against the differential insulating layer 32 on the outer side of the differential signal line 31 and causing the circuit to break and the like. .

Through the above structure, the characteristics of each line in the electrical connection line 1 can be made the same, and since the ratio of the power line 7 to the ground line is greater than one to two, even if the current flow is increased, it will not cause any Negative effects, so as to achieve better use efficiency.

However, the above descriptions are only the preferred embodiments of the present invention, which do not limit the patent scope of the present invention. Therefore, all simple modifications and equivalent structural changes made by using the contents of the description and drawings of the present invention should be the same. Included in the scope of the patent of the present invention, it is hereby stated.

To sum up, in order to achieve the effect and purpose of the electrical connecting wire of the present invention, the present invention is an invention with excellent practicality. The review committee will approve the invention as soon as possible to protect the inventor's hard work. If the review committee has any doubts, please do not hesitate to send a letter for instructions, and the inventor will do his best to cooperate.

1: Electrical connection line

21: Insulation layer

22: Ground plane

221: Metal braid

222: Metal protective layer

3: Differential pair line set

31: Differential signal line

32: Differential insulation layer

4: Outside ground wire

5: Ground signal line

51: Signal line group

511: Signal line

512: Metal ground plane

52: Inner ground wire

6: Avoidance space

7: Power cord

Claims (10)

An electrical connection line, the electrical connection line mainly includes: an insulating layer; a grounding layer disposed inside the insulating layer; A plurality of differential pair line groups arranged in a ring-shaped arrangement, the differential pair line groups are arranged at the inner side of the ground layer, and the differential pair line groups include a first differential pair line group and a second differential pair line group arranged in the first differential pair A second differential pair set at the side of the pair set, a third differential pair set at the side of the second differential pair set, and a fourth differential pair set at the side of the third differential pair set a line group, and a fifth differential pair line group disposed at the side of the fourth differential pair line group; A plurality of outer ground lines are arranged in a ring-shaped arrangement, the outer ground lines are arranged at the inner side of the ground layer, and are located at the sides of the differential pair line groups, and the outer ground lines include a first outer ground line, A second outer ground wire on the side of the first outer ground wire, a third outer ground wire on the side of the second outer ground wire, and a fourth outer ground wire on the side of the third outer ground wire an outer ground wire, and a fifth outer ground wire disposed at the side of the fourth outer ground wire; A plurality of ground signal lines arranged in a ring-shaped arrangement, the ground signal lines are located at the side of the differential pair line sets and the outer ground lines away from the ground layer, and the ground signal lines include a plurality of ground signal lines located on the outer ground A signal line group at the line side, and an inner ground line located at the outer ground line sides, and the signal line groups include a first signal line group, a first signal line group located at the side of the first signal line group. two signal line groups, a third signal line group provided at the side of the second signal line group, and a fourth signal line group provided at the side of the third signal line group; and a power line arranged at the inner side of the grounding signal lines. The electrical connection line as described in claim 1, wherein each of the differential pair line sets has a plurality of differential signal lines and a differential insulating layer covering the outer sides of the differential signal lines. The electrical connection line as described in claim 1, wherein the first outer ground line is located between the first differential pair line group and the second differential pair line group, and the second outer ground line is located between the second differential pair line group Between the differential pair line group and the third differential pair line group, the third outer ground line is located between the third differential pair line group and the fourth differential pair line group, and the fourth outer ground line is located in the fourth Between the differential pair line group and the fifth differential pair line group, and the fifth outer ground line is located between the fifth differential pair line group and the first differential pair line group. The electrical connection line as described in claim 1, wherein each of the signal line groups has a signal line and A metal ground layer covering the outer side of the signal line, the first signal line group is in contact with the first outer ground line, the second signal line group is in contact with the second outer ground line, and the third signal line The group contacts the third outer ground line, the fourth signal line group contacts the fourth outer ground line, and the inner ground line contacts the fifth outer ground line. The electrical connection line as described in claim 1, wherein the first outer ground line and the first signal line group are located between the first differential pair line group and the second differential pair line group, the second The outer ground line and the second signal line group are located between the second differential pair line group and the third differential pair line group, and the third outer ground line and the third signal line group are located in the third differential pair line group and the fourth differential pair line group, the fourth outer ground line and the fourth signal line group are located between the fourth differential pair line group and the fifth differential pair line group, and the fifth outer ground line and the inner ground line is located between the fifth differential pair line group and the first differential pair line group. The electrical connection line as described in claim 1, wherein the grounding signal lines are arranged around the periphery of the power line, so as to reduce the power loop of the power line. The electrical connection wire as described in claim 1, wherein the grounding layer has a metal braided layer disposed at the inner side of the insulating layer, and a metal shield disposed between the metal braided layer and the outer ground wire layer, and the outer ground wires are in contact with the metal protective layer, and the metal braided layer is in contact with the metal protective layer. The electrical connection line as described in claim 1, wherein a plurality of avoidance spaces are defined between the ground signal lines, the outer ground lines and the differential pair line sets. An electrical connection line, the electrical connection line mainly includes: a power cord; A plurality of ground signal lines arranged in a ring shape at the outer side of the power line, the ground signal lines are used to reduce the power loop of the power line, and the ground signal lines include a plurality of signal line groups and a signal line located in the signal lines. The inner ground wire at the side of the line group, and the signal line groups include a first signal line group, a second signal line group arranged at the side of the first signal line group, and a second signal line group arranged in the second signal line group a third signal line group at the side, and a fourth signal line group disposed at the side of the third signal line group; A plurality of outer ground lines are arranged annularly on the outside of the ground signal lines, and the outside ground lines include a first outside ground line, a second outside ground line located at the side of the first outside ground line, and a second outside ground line located at the side of the first outside ground line. A third outer ground wire at the side of the second outer ground wire, a fourth outer ground wire at the side of the third outer ground wire, and a fifth outer ground wire at the side of the fourth outer ground wire String; A plurality of differential pair line groups arranged in a ring shape on the outside of the ground signal lines, the differential pair line groups are located at the sides of the outer ground lines, and the differential pair line groups include a first differential pair line group, A second differential pair set at the side of the first differential pair set, a third differential pair set at the side of the second differential pair set, and a third differential pair set a fourth differential pair line set at the side, and a fifth differential pair line set provided at the side of the fourth differential pair line set; a plurality of avoidance spaces defined at the sides of the differential pair line sets, the avoidance spaces being located between the differential pair line sets, the outer ground lines and the ground signal lines; a ground layer covering the differential pair wire sets and the outer sides of the outer ground wires; and an insulating layer covering the outside of the ground layer. The electrical connection wire as described in claim 9, wherein the grounding layer has a metal braided layer, and a metal protective layer disposed on the inner side of the metal braided layer, and the outer grounding wires are connected to the metal braided layer. The protective layers are in contact with each other, and the metallic braided layer is in mutual contact with the metallic protective layer.

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