CN217562373U - Coil structure with transmission rate of 25Gpbs - Google Patents
Coil structure with transmission rate of 25Gpbs Download PDFInfo
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- CN217562373U CN217562373U CN202122527477.3U CN202122527477U CN217562373U CN 217562373 U CN217562373 U CN 217562373U CN 202122527477 U CN202122527477 U CN 202122527477U CN 217562373 U CN217562373 U CN 217562373U
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Abstract
The utility model discloses a coil structure with a transmission rate of 25Gpbs, which comprises a first magnetic ring, a second magnetic ring, a first copper wire, a second copper wire, a third copper wire, a fourth copper wire, a fifth copper wire, a sixth copper wire, a seventh copper wire, an eighth copper wire, a ninth copper wire and a tenth copper wire; the first magnetic ring is at least two in stacking arrangement, and the first magnetic ring and the second magnetic ring are both magnetic rings with high initial magnetic conductivity. By utilizing the inherent characteristics of the magnetic ring, the hysteresis loss of the magnetic ring can be effectively reduced by adopting the magnetic ring with high initial permeability; by adopting the multiple magnetic rings to manufacture the network transformer, the eddy current loss of the magnetic rings can be effectively reduced; the multiple magnetic rings are formed by superposing the inductors of the single magnetic ring, so that the length L of the copper wire winding can be reduced under the condition of meeting the requirement of the inductor; the signal line adopts the twisted pair, has increased copper line sectional area S, can reach the characteristic requirement of higher transmission rate, can be with signal complete and effective transmission.
Description
Technical Field
The utility model belongs to the technical field of the coil technique and specifically relates to indicate a transmission rate is 25 Gpbs's coil structure.
Background
The coil is an inductive component consisting of a network transformer and an early current inductor, has the functions of transmitting data, isolating high voltage, filtering common-mode noise and the like, and is widely applied to terminal products such as a switch, a PC (personal computer), a server, an ADSL (asymmetrical digital subscriber line) and the like. The network transformer transmits signals in an electro-magnetic-electric mode, and has the function of isolating external strong voltage from entering the chip due to non-physical connection. The inductor has the capability of blocking the sudden change current, so that the common mode noise is inhibited.
In the modern day, the requirement for transmission rate is higher and higher, but the existing coil is generally a structure of a single magnetic ring, and has the problems of magnetic ring hysteresis loss, magnetic ring eddy current loss and the like, and because of non-physical direct connection, there are metal loss, dielectric loss, radiation, impedance matching degree and the like, as shown in fig. 10, the Insertion loss (Insertion loss) begins to be seriously attenuated at a high-frequency band of 600MHz, and cannot meet the characteristic requirement of a high-speed product, so that signals cannot be completely and effectively transmitted. Therefore, there is a need for improvements in current coils.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a coil structure with a transmission rate of 25Gpbs to overcome the drawbacks of the prior art, and can effectively solve the problems of magnetic core hysteresis loss, magnetic core eddy current loss, and serious signal attenuation and incomplete and effective transmission caused by insertion loss in high frequency band of the conventional coil.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a coil structure with a transmission rate of 25Gpbs comprises a first magnetic ring, a second magnetic ring, a first copper wire, a second copper wire, a third copper wire, a fourth copper wire, a fifth copper wire, a sixth copper wire, a seventh copper wire, an eighth copper wire, a ninth copper wire and a tenth copper wire;
the first magnetic ring and the second magnetic ring are both high initial magnetic conductivity magnetic rings;
the two ends of the first copper wire are respectively provided with a first wire section and a second wire section, the two ends of the second copper wire are respectively provided with a third wire section and a fourth wire section, the two ends of the third copper wire are respectively provided with a fifth wire section and a sixth wire section, the two ends of the fourth copper wire are respectively provided with a seventh wire section and an eighth wire section, the middle part of the first copper wire, the middle part of the second copper wire, the middle part of the third copper wire and the middle part of the fourth copper wire are twisted to form a first twist yarn, the first twist yarn is wound on the first magnetic ring and distributed on 180 degrees of one side of the first magnetic ring, the first wire section, the third wire section, the fifth wire section and the seventh wire section are positioned on the front side of the first magnetic ring, and the second wire section, the fourth wire section, the sixth wire section and the eighth wire section are positioned on the rear side of the first magnetic ring;
the two ends of the fifth copper wire are respectively provided with a ninth wire segment and a tenth wire segment, the two ends of the sixth copper wire are respectively provided with an eleventh wire segment and a twelfth wire segment, the two ends of the seventh copper wire are respectively provided with a thirteenth wire segment and a fourteenth wire segment, the two ends of the eighth copper wire are respectively provided with a fifteenth wire segment and a sixteenth wire segment, the middle part of the fifth copper wire, the middle part of the sixth copper wire, the middle part of the seventh copper wire and the middle part of the eighth copper wire are twisted to form a second twist yarn, the second twist yarn is wound on the first magnetic ring and distributed on 180 degrees of the other side of the first magnetic ring, the ninth wire segment, the eleventh wire segment, the thirteenth wire segment and the fifteenth wire segment are positioned on the front side of the first magnetic ring, and the tenth wire segment, the twelfth wire segment, the fourteenth wire segment and the sixteenth wire segment are positioned on the rear side of the first magnetic ring;
the third line segment and the eleventh line segment are twisted to form a first twisted pair, the eighth line segment and the sixteenth line segment are twisted to form a second twisted pair, the fifth line segment and the thirteenth line segment are twisted to form a third twisted pair, the second line segment and the tenth line segment are twisted to form a fourth twisted pair, the fourth line segment, the twelfth line segment, the seventh line segment and the fifteenth line segment are twisted to form a first twisted pair, and the sixth line segment, the fourteenth line segment, the first line segment and the ninth line segment are twisted to form a second twisted pair;
one end of the ninth copper wire is twisted together with the third twisted pair and the fourth twisted pair and is wound on the second magnetic ring in series, and the end part of the first twisted pair is cut off and prewelded and is welded with the other end of the ninth copper wire to form a first small tap; the tenth copper wire penetrates through the first magnetic ring, and the end part of the second four stranded wire is cut off and prewelded and is welded with one end of the tenth copper wire to form a second small tap.
Preferably, the first magnetic ring is two in stacked arrangement.
As a preferred scheme, first copper line is blue copper line, and the second copper line is green copper line, and the third copper line is red copper line, and the fourth copper line is the natural color copper line.
As a preferable scheme, the first twine wire is wound on the first magnetic ring for two complete turns.
As a preferred scheme, the fifth copper wire is a blue copper wire, the sixth copper wire is a green copper wire, the seventh copper wire is a red copper wire, and the eighth copper wire is a natural color copper wire.
As a preferable scheme, the second twine yarn is wound on the first magnetic ring for two complete circles.
As a preferable scheme, one end of the ninth copper wire, the third twisted wire and the fourth twisted wire are twisted together, and the number of turns of the serial winding on the second magnetic ring is one whole turn.
Preferably, the ninth copper wire is a green copper wire, and the tenth copper wire is a red copper wire.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:
by utilizing the inherent characteristics of the magnetic ring, the hysteresis loss of the magnetic ring can be effectively reduced by adopting the magnetic ring with high initial permeability; by adopting the multiple magnetic rings to manufacture the network transformer, the eddy current loss of the magnetic rings can be effectively reduced; the multiple magnetic rings are formed by superposing the inductors of the single magnetic ring, so that the length L of the copper wire winding can be reduced under the condition of meeting the requirement of the inductor; the signal wire adopts the twisted pair, has increased copper line sectional area S, can reach the characteristic requirement of higher transmission rate, can be with signal complete and effective transmission.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a circuit diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic perspective view of a first twisted wire according to a preferred embodiment of the present invention;
FIG. 3 is a schematic perspective view of a second twist thread according to a preferred embodiment of the present invention;
FIG. 4 is a partial assembly view of the preferred embodiment of the present invention;
FIG. 5 is a partial assembly view of another embodiment of the present invention;
FIG. 6 is an assembled perspective view of the preferred embodiment of the present invention;
FIG. 7 is a general schematic view of a preferred embodiment of the present invention;
FIG. 8 illustrates an insertion loss condition test according to the definition of IEEE802.3bq according to a preferred embodiment of the present invention;
FIG. 9 illustrates a reflection loss condition test according to IEEE802.3 bq;
fig. 10 is an insertion loss condition test of the conventional coil.
The attached drawings indicate the following:
11. a first magnetic ring 12 and a second magnetic ring
21. First copper line 211, first segment
212. Second line segment 22, second copper line
221. Third line segment 222 and fourth line segment
23. Third copper wire 231, fifth wire section
232. Sixth line segment 24 and fourth copper line
241. Seventh line segment 242, eighth line segment
31. Fifth copper line 311, ninth line segment
312. Tenth line segment 32, sixth copper line
321. Eleventh line segment 322, twelfth line segment
33. Seventh copper line 331, thirteenth line segment
332. Fourteenth line segment 34, eighth copper line
341. Fifteenth segment 342, sixteenth segment
41. Ninth copper wire 42 and tenth copper wire
101. A first twisted pair 102 and a second twisted pair
103. Third twisted pair 104, fourth twisted pair
105. A first four-stranded wire 106 and a second four-stranded wire
107. A first small tap 108, a second small tap
201. A first twine wire 202 and a second twine wire.
Detailed Description
Referring to fig. 1 to 7, a specific structure of a preferred embodiment of the present invention is shown, which includes a first magnetic ring 11, a second magnetic ring 12, a first copper wire 21, a second copper wire 22, a third copper wire 23, a fourth copper wire 24, a fifth copper wire 31, a sixth copper wire 32, a seventh copper wire 33, an eighth copper wire 34, a ninth copper wire 41 and a tenth copper wire 42.
The first magnetic ring 11 is stacked at least two, which can effectively reduce the eddy current loss of the magnetic ring and reduce the winding length L of the copper wire under the condition of meeting the inductance requirement, and the first magnetic ring 11 and the second magnetic ring 12 are both magnetic rings with high initial permeability, which can effectively reduce the hysteresis loss of the magnetic rings; in this embodiment, the first magnetic ring 11 is two magnetic rings stacked.
The two ends of the first copper wire 21 are respectively provided with a first wire section 211 and a second wire section 212, the two ends of the second copper wire 22 are respectively provided with a third wire section 221 and a fourth wire section 222, the two ends of the third copper wire 23 are respectively provided with a fifth wire section 231 and a sixth wire section 232, the two ends of the fourth copper wire 24 are respectively provided with a seventh wire section 241 and an eighth wire section 242, the middle part of the first copper wire 21, the middle part of the second copper wire 22, the middle part of the third copper wire 23 and the middle part of the fourth copper wire 24 are twisted to form a first hemp thread 201, the first hemp thread 201 is wound on the first magnetic ring 11 and distributed with 180 degrees of one side of the first magnetic ring 11, the first wire section 211, the third wire section 221, the fifth wire section 231 and the seventh wire section 241 are positioned at the front side of the first magnetic ring 11, and the second wire section 212, the fourth wire section 222, the sixth wire section 232 and the eighth wire section 242 are positioned at the rear side of the first magnetic ring 11; in this embodiment, the first copper wire 21 is a blue copper wire, the second copper wire 22 is a green copper wire, the third copper wire 23 is a red copper wire, and the fourth copper wire 24 is a natural copper wire, and the first twine wire 201 is wound around the first magnetic ring 11 for two complete turns.
The two ends of the fifth copper wire 31 are respectively provided with a ninth wire segment 311 and a tenth wire segment 312, the two ends of the sixth copper wire 32 are respectively provided with an eleventh wire segment 321 and a twelfth wire segment 322, the two ends of the seventh copper wire 33 are respectively provided with a thirteenth wire segment 331 and a fourteenth wire segment 332, the two ends of the eighth copper wire 34 are respectively provided with a fifteenth wire segment 341 and a sixteenth wire segment 342, the middle part of the fifth copper wire 31, the middle part of the sixth copper wire 32, the middle part of the seventh copper wire 33 and the middle part of the eighth copper wire 34 are twisted to form a second hemp thread 202, the second hemp thread 202 is wound on the first magnetic ring 11 and distributed with 180 degrees of the other side of the first magnetic ring 11, the ninth wire segment 311, the eleventh wire segment 321, the thirteenth wire segment 331 and the fifteenth wire segment 341 are positioned on the front side of the first magnetic ring 11, and the tenth wire segment 312, the twelfth wire segment 322, the fourteenth wire segment 332 and the sixteenth wire segment 342 are positioned on the rear side of the first magnetic ring 11; in this embodiment, the fifth copper wire 31 is a blue copper wire, the sixth copper wire 22 is a green copper wire, the seventh copper wire 33 is a red copper wire, the eighth copper wire 34 is a natural copper wire, and the second hemp wire 202 is wound on the first magnetic ring 11 for two complete turns.
As shown in fig. 5, the third line segment 221 and the eleventh line segment 321 are twisted to form a first twisted pair 101, the eighth line segment 242 and the sixteenth line segment 342 are twisted to form a second twisted pair 102, the fifth line segment 231 and the thirteenth line segment 331 are twisted to form a third twisted pair 103, the second line segment 212 and the tenth line segment 312 are twisted to form a fourth twisted pair 104, the fourth line segment 222, the twelfth line segment 322, the seventh line segment 241 and the fifteenth line segment 341 are twisted to form a first twisted pair 105, and the sixth line segment 232, the fourteenth line segment 332, the first line segment 211 and the ninth line segment 311 are twisted to form a second twisted pair 106.
In addition, as shown in fig. 6, one end of the ninth copper wire 41 is twisted with the third twisted pair 103 and the fourth twisted pair 104 and is wound on the second magnetic ring 12 in series, and the end of the first fourth twisted pair 105 is cut and pre-welded and is welded with the other end of the ninth copper wire 41 to form a first small tap 107; in this embodiment, one end of the ninth copper wire 41 is twisted with the third twisted wire 103 and the fourth twisted wire 104 together to form a whole winding on the second magnetic ring 12, and the ninth copper wire 41 is a green copper wire.
The tenth copper wire 42 penetrates through the first magnetic ring 11, and the end of the second four-stranded wire 106 is cut off and prewelded and is welded with one end of the tenth copper wire 42 to form a second small tap 108; in this embodiment, the tenth copper wire 42 is a red copper wire.
The network transformer transmits signals in an electro-magnetic-electric mode, as shown in fig. 1, and has the function of isolating external strong voltage from entering a chip due to non-physical connection. The inductor has the capability of blocking the sudden change current, so that the common mode noise is inhibited. Since the connection is not physically direct, there are metal loss, dielectric loss, radiation, impedance matching, and the like. The utility model discloses an aspect such as metal loss, magnetic core hysteresis loss, magnetic core eddy current loss is optimized, can satisfy the Insertion loss (Insertion loss) and the reflection loss (Return loss) requirement of IEEE802.3bq (25 Gbps) definition.
As can be seen from the formula, R (R = RDC + RAC) is proportional to L/A (L: metal length, A: metal cross-sectional area), the used length of the copper wire conductor can effectively reduce the metal loss, so as to reduce the Insertion loss (Insertion loss) and meet the requirement of high transmission rate, such as: 25Gbps,40Gbps.
Next, the present invention was tested according to the Insertion loss and Return loss specifications defined by IEEE802.3bq, and the results PASS were shown in fig. 8 and 9.
The utility model discloses a design focus lies in:
by utilizing the inherent characteristics of the magnetic ring, the hysteresis loss of the magnetic ring can be effectively reduced by adopting the magnetic ring with high initial permeability; by adopting the multiple magnetic rings to manufacture the network transformer, the eddy current loss of the magnetic rings can be effectively reduced; the multiple magnetic rings are formed by superposing the inductors of the single magnetic ring, so that the length L of the copper wire winding can be reduced under the condition of meeting the requirement of the inductor; the signal line adopts the twisted pair, has increased copper line sectional area S, can reach the characteristic requirement of higher transmission rate, can be with signal complete and effective transmission.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.
Claims (8)
1. A coil structure having a transmission rate of 25Gpbs, comprising: the magnetic ring comprises a first magnetic ring, a second magnetic ring, a first copper wire, a second copper wire, a third copper wire, a fourth copper wire, a fifth copper wire, a sixth copper wire, a seventh copper wire, an eighth copper wire, a ninth copper wire and a tenth copper wire;
the first magnetic ring and the second magnetic ring are both high initial magnetic conductivity magnetic rings;
the two ends of the first copper wire are respectively provided with a first wire section and a second wire section, the two ends of the second copper wire are respectively provided with a third wire section and a fourth wire section, the two ends of the third copper wire are respectively provided with a fifth wire section and a sixth wire section, the two ends of the fourth copper wire are respectively provided with a seventh wire section and an eighth wire section, the middle part of the first copper wire, the middle part of the second copper wire, the middle part of the third copper wire and the middle part of the fourth copper wire are twisted to form a first twist yarn, the first twist yarn is wound on the first magnetic ring and distributed on 180 degrees of one side of the first magnetic ring, the first wire section, the third wire section, the fifth wire section and the seventh wire section are positioned on the front side of the first magnetic ring, and the second wire section, the fourth wire section, the sixth wire section and the eighth wire section are positioned on the rear side of the first magnetic ring;
the two ends of the fifth copper wire are respectively provided with a ninth wire segment and a tenth wire segment, the two ends of the sixth copper wire are respectively provided with an eleventh wire segment and a twelfth wire segment, the two ends of the seventh copper wire are respectively provided with a thirteenth wire segment and a fourteenth wire segment, the two ends of the eighth copper wire are respectively provided with a fifteenth wire segment and a sixteenth wire segment, the middle part of the fifth copper wire, the middle part of the sixth copper wire, the middle part of the seventh copper wire and the middle part of the eighth copper wire are twisted to form a second twist yarn, the second twist yarn is wound on the first magnetic ring and distributed on 180 degrees of the other side of the first magnetic ring, the ninth wire segment, the eleventh wire segment, the thirteenth wire segment and the fifteenth wire segment are positioned on the front side of the first magnetic ring, and the tenth wire segment, the twelfth wire segment, the fourteenth wire segment and the sixteenth wire segment are positioned on the rear side of the first magnetic ring;
the third line segment and the eleventh line segment are twisted to form a first twisted pair, the eighth line segment and the sixteenth line segment are twisted to form a second twisted pair, the fifth line segment and the thirteenth line segment are twisted to form a third twisted pair, the second line segment and the tenth line segment are twisted to form a fourth twisted pair, the fourth line segment, the twelfth line segment, the seventh line segment and the fifteenth line segment are twisted to form a first twisted pair, and the sixth line segment, the fourteenth line segment, the first line segment and the ninth line segment are twisted to form a second twisted pair;
one end of the ninth copper wire is twisted together with the third twisted pair and the fourth twisted pair and is wound on the second magnetic ring in series, and the end part of the first twisted pair is cut off and prewelded and is welded with the other end of the ninth copper wire to form a first small tap; the tenth copper wire penetrates through the first magnetic ring, and the end part of the second four stranded wire is cut off and prewelded and is welded with one end of the tenth copper wire to form a second small tap.
2. The coil structure of claim 1 having a transmission rate of 25Gpbs, wherein: the first magnetic ring is two in stacking arrangement.
3. The coil structure of claim 1 having a transmission rate of 25Gpbs, wherein: first copper line is blue copper line, and the second copper line is green copper line, and the third copper line is red copper line, and the fourth copper line is the natural color copper line.
4. The coil structure of claim 1 having a transmission rate of 25Gpbs, wherein: the first twist thread is wound on the first magnetic ring for two complete circles.
5. The coil structure of claim 1 having a transmission rate of 25Gpbs, wherein: the fifth copper line is blue copper line, and the sixth copper line is green copper line, and the seventh copper line is red copper line, and the eighth copper line is the natural color copper line.
6. The coil structure of claim 1 having a transmission rate of 25Gpbs, wherein: and the second twine wire is wound on the first magnetic ring for two whole circles.
7. The coil structure of claim 1 having a transmission rate of 25Gpbs, wherein: one end of the ninth copper wire, the third stranded wire and the fourth stranded wire are twisted together, and the number of turns of serial winding on the second magnetic ring is a whole turn.
8. The coil structure of claim 1 having a transmission rate of 25Gpbs, wherein: the ninth copper wire is a green copper wire, and the tenth copper wire is a red copper wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122527477.3U CN217562373U (en) | 2021-10-20 | 2021-10-20 | Coil structure with transmission rate of 25Gpbs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122527477.3U CN217562373U (en) | 2021-10-20 | 2021-10-20 | Coil structure with transmission rate of 25Gpbs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217562373U true CN217562373U (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122527477.3U Active CN217562373U (en) | 2021-10-20 | 2021-10-20 | Coil structure with transmission rate of 25Gpbs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217562373U (en) |
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2021
- 2021-10-20 CN CN202122527477.3U patent/CN217562373U/en active Active
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