CN103700992A - Improved filtering assembly for connector and coil winding method - Google Patents
Improved filtering assembly for connector and coil winding method Download PDFInfo
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Abstract
The invention relates to an improved filtering assembly for a connector and a coil winding method. The filtering assembly comprises at least one group of coils; each group of coils comprise a first coil and a second coil; the first and second coil of each group respectively contain a magnetic element; two plural metal wires are wound on the magnetic element of each first coil, respectively penetrate through a hollow through hole of the magnetic element and are wound on the magnetic element annularly; each group of coils also comprise a third metal wire; two metal wires on one side of the hollow through hole of the magnetic element of each first coil and the corresponding third metal wire are respectively wound on the magnetic element of the corresponding second coil annularly by a plurality of circles in a stranded wire state and in a scattered wire state in sequence; two metal wires of each first plural metal wire and the corresponding third metal wire are integrated into a tap. The filtering assembly can avoid distortion and data errors in the 10Gbit/s high-speed signal transmission process.
Description
Technical field
The present invention relates to connector accessory technical field, relate in particular to a kind of improved filtering unit for connector and coil-winding method.
Background technology
Signaling rate requires more and more faster now, connector is as the bridge that connects computer and miscellaneous equipment and extraneous network, the transmission speed that transmission data are 1000Mbit/s can not meet people's use, the high-speed transfer speed of 10Gbits/s has been trend, yet conventional technology can not meet the transmission requirement of high speed like this.
Therefore the inventor is devoted to research and the test of the high speed transmission technology of 10Gbits/s always, and 19Xiang China national Department of Intellectual Property has submitted an application for a patent for invention that denomination of invention is " a kind of filtering unit for connector and coil-winding method " in April, 2013, the technology of recording by above-mentioned file can produce a kind of filter coil that can meet signal high-speed transfer speed 10Gbits/s requirement, but because the transmission rate of 10Gbits/s is exceedingly fast, so require very high to its electrical characteristic, once high frequency characteristics is not good, in the time of can causing signal transmission, there is distortion, the phenomenon of data mistake.Given this, now through inventor, constantly study test, propose a kind of coil-winding method of improveing on former creation basis.
Summary of the invention
The object of the invention is to provides a kind of filtering unit for connector and the coil-winding method that can avoid occurring in 10Gbit/s high speed transmission of signals process distortion, data mistake for the technical problem that will solve.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of improved filtering unit for connector, include at least one group of coil, every group of coil includes the first coil and the second coil, described the first coil and the second coil all contain a magnetic element, the hollow of each magnetic element forms perforation, on the magnetic element of described the first coil, be wound with two multiple metal wire, described two multiple metal wire are bored a hole and are wrapped on this magnetic element in ring-type mode through the hollow of this magnetic element respectively, the two ends at the whole story of these two multiple metal wire are all set to the end of a thread, top the end of a thread of described two multiple metal wire and end the end of a thread lay respectively at the both sides of magnetic element hollow perforation, between top the end of a thread of described two multiple metal wire and end the end of a thread, be provided with fixed gap, also include the 3rd plain conductor, bore a hole two plain conductors and the 3rd plain conductor of a side of magnetic element hollow in described the first coil is wound around the magnetic element plural number circle of the second coil successively with twisted wire state and loose wire state respectively by ring-type mode, a wherein strip metal wire of the second multiple metal wire of wherein a strip metal wire, this magnetic element downside of the first multiple metal wire of the magnetic element upside of described the first coil and the 3rd plain conductor are arranged to one becomes tap, it is fixing that all multiple metal wire of described the first coil are sentenced the binding of twisted wire state intersection in fixed gap.
Wherein, the magnetic element hollow in described the first coil is bored a hole, and to take twisted wire state is wound around the magnetic element of the second coil number of turns by ring-type mode be 4 circles for two plain conductors of a side and the 3rd plain conductor; Magnetic element hollow in described the first coil is bored a hole, and to take loose wire state is wound around the magnetic element of the second coil number of turns by ring-type mode be 2 circles for two plain conductors of a side and the 3rd plain conductor.
A coil-winding method for the filtering unit of connector, includes following steps:
(1) the first multiple metal wire RGB and the second multiple metal wire R1G1N are wound around from the hollow perforation of the magnetic element of the first coil in ring-type mode respectively, the number of turns being wound around is respectively at least a circle; Upside and downside that top the end of a thread after described the first multiple metal wire RGB and the second multiple metal wire R1G1N are wound around and end the end of a thread are distributed in respectively this magnetic element;
(2) the plain conductor G of top the end of a thread of the first multiple metal wire RGB and the plain conductor G1 of top the end of a thread of the second multiple metal wire R1G1N that are positioned at the magnetic element upside of the first coil are carried out to twisted wire, obtain twisted wire GG1; The plain conductor R ' of end the end of a thread of the first multiple metal wire RGB that is positioned at the magnetic element downside of the first coil is carried out to twisted wire with the plain conductor R1 ' of second multiple metal wire R1G1N end the end of a thread, obtain twisted wire R ' R1 ';
(3) twisted wire is carried out on the right side of moving corresponding end the end of a thread G1 ', the top the end of a thread R of plain conductor R ' correspondence of corresponding end the end of a thread G ', the plain conductor G1 of the plain conductor G in step (2) and top the end of a thread R1 of plain conductor R1 ' to magnetic element, obtains twisted wire RR1G ' G1 ';
(4) the plain conductor B of top the end of a thread of the first multiple metal wire RGB that is positioned at the magnetic element upside of the first coil, moving the left side of magnetic element to, the end plain conductor N ' of the second multiple metal wire R1G1N of this magnetic element downside and newly-increased the 3rd plain conductor R2 is carried out to twisted wire, obtain twisted wire B N ' R2, the end fixing formation tap of this twisted wire B N ' R2;
(5) the twisted wire B N ' R2 obtaining in the twisted wire RR1G ' G1 ' obtaining in step (3) and step (4) is intersected;
(6) the twisted wire GG1 obtaining in step (2) will be fixed on to the fixed gap place of the magnetic element of the first coil from top to down clockwise after all plain conductor binding half-turns; Twisted wire R ' the R1 ' obtaining in step (2) will be fixed on to the fixed gap place of the magnetic element of the first coil, GG1 and R ' R1 ' twisted wire 2-3 joint from below to up counterclockwise after all plain conductor binding half-turns;
(7) the other end B ' NR2 ' of multiple metal wire corresponding to tap is wound around from the hollow perforation of the magnetic element of the second coil by ring-type mode with twisted wire state, the number of turns of winding is at least a circle; And then this multiple metal wire B ' NR2 ' is wound around from the hollow perforation of the magnetic element of the second coil by ring-type mode with loose wire state, the number of turns of winding is at least a circle.
Wherein, the multiple metal wire B ' NR2 ' in described step (7) encloses from the number of turns 4 of the hollow perforation winding of the magnetic element of the second coil by ring-type mode with twisted wire state; Multiple metal wire B ' NR2 ' in described step (7) encloses from the number of turns 2 of the hollow perforation winding of the magnetic element of the second coil by ring-type mode with loose wire state.
Beneficial effect of the present invention is:
The filtering unit that the present invention adopts improved coil-winding method to manufacture, can break through the restriction of prior art, not only can process the transmission data of 10Gbit/s, meets the demand of people to high-speed transfer speed; And can guarantee to avoid occurring the phenomenon of distortion, data mistake in 10Gbit/s high speed transmission of signals process, high frequency characteristics is splendid, met the requirement of market high-speed transfer, effectively improved people's live and work quality, the development of human society has been played to important effect.
Accompanying drawing explanation
Fig. 1 is that the magnetic element of step 1 the first coil of the coil-winding method of a kind of filtering unit for connector of the present invention completes the structural representation being wound around after first three line plain conductor;
Fig. 2 is that the magnetic element of step 1 the first coil of the coil-winding method of a kind of filtering unit for connector of the present invention completes the structural representation being wound around after second three line plain conductor;
Fig. 3 is the schematic cross-section in Fig. 2;
Fig. 4 is that the step 2 of the coil-winding method of a kind of filtering unit for connector of the present invention completes the schematic cross-section after part twisted wire;
Fig. 5 adds the structural representation of the 3rd plain conductor after the step 2 of the coil-winding method of a kind of filtering unit for connector of the present invention completes;
Fig. 6 arranges the structural representation after tap after the coil-winding method of a kind of filtering unit for connector of the present invention adds the 3rd plain conductor;
Fig. 7 is the structural representation of a kind of improved filtering unit for connector of the present invention;
Fig. 8 is that the multiple metal wire B ' NR2 ' of a kind of improved filtering unit for connector of the present invention is respectively wound around respectively the reflection loss test data figure of the signal input part after magnetic element 3 circle of the second coil with twisted wire state and loose wire state;
Fig. 9 is that the multiple metal wire B ' NR2 ' of a kind of improved filtering unit for connector of the present invention is respectively wound around respectively the reflection loss test data figure of the signal output part after magnetic element 3 circle of the second coil with twisted wire state and loose wire state;
Figure 10 is that the multiple metal wire B ' NR2 ' of a kind of improved filtering unit for connector of the present invention is respectively wound around the insertion loss test data figure after magnetic element 3 circle of the second coil with twisted wire state and loose wire state respectively;
Figure 11 is the reflection loss test data figure of the signal input part after the magnetic element 4 that the multiple metal wire B ' NR2 ' of a kind of improved filtering unit for connector of the present invention is wound around the second coil with twisted wire state encloses, encloses with loose wire state winding 2;
Figure 12 is the reflection loss test data figure of the signal output part after the magnetic element 4 that the multiple metal wire B ' NR2 ' of a kind of improved filtering unit for connector of the present invention is wound around the second coil with twisted wire state encloses, encloses with loose wire state winding 2;
Figure 13 is that the magnetic element 4 that the multiple metal wire B ' NR2 ' of a kind of improved filtering unit for connector of the present invention is wound around the second coil with twisted wire state encloses, with loose wire state, is wound around the insertion loss test data figure after 2 circles again;
Figure 14 is the reflection loss test data figure of the signal input part after the magnetic element 5 that the multiple metal wire B ' NR2 ' of a kind of improved filtering unit for connector of the present invention is wound around the second coil with twisted wire state encloses, encloses with loose wire state winding 1;
Figure 15 is the reflection loss test data figure of the signal output part after the magnetic element 5 that the multiple metal wire B ' NR2 ' of a kind of improved filtering unit for connector of the present invention is wound around the second coil with twisted wire state encloses, encloses with loose wire state winding 1;
Figure 16 is that the magnetic element 5 that the multiple metal wire B ' NR2 ' of a kind of improved filtering unit for connector of the present invention is wound around the second coil with twisted wire state encloses, with loose wire state, is wound around the insertion loss test data figure after 1 circle again;
Figure 17 is the multiple metal wire B ' NR2 ' of a kind of improved filtering unit for connector of the present invention is wound around the signal input part after magnetic element 6 circle of the second coil reflection loss test data figure with twisted wire state;
Figure 18 is the multiple metal wire B ' NR2 ' of a kind of improved filtering unit for connector of the present invention is wound around the signal output part after magnetic element 6 circle of the second coil reflection loss test data figure with twisted wire state;
Figure 19 is that the multiple metal wire B ' NR2 ' of a kind of improved filtering unit for connector of the present invention is wound around the insertion loss test data figure after magnetic element 6 circle of the second coil with twisted wire state.
Embodiment
In order to make embodiments of the present invention, can further specifically be understood, existing by the technology used in the present invention means and each relative configurations with and step, by reference to the accompanying drawings 1 to 19, cooperation preferred embodiment is described as follows in detail:
A kind of improved filtering unit for connector of the present invention, as shown in Figure 7, include at least one group of coil, every group of coil includes the first coil 1 and the second coil 2, described the first coil 1 and the second coil 2 all contain a magnetic element 3, the hollow of each magnetic element 3 forms perforation, on the magnetic element 3 of described the first coil 1, be wound with two multiple metal wire, described two multiple metal wire are bored a hole and are wrapped on this magnetic element 3 in ring-type mode through the hollow of this magnetic element 3 respectively, the two ends at the whole story of these two multiple metal wire are all set to the end of a thread, top the end of a thread of described two multiple metal wire and end the end of a thread lay respectively at the both sides of magnetic element 3 hollow perforation, between top the end of a thread of described two multiple metal wire and end the end of a thread, be provided with fixed gap 11, also include the 3rd plain conductor, bore a hole two plain conductors and the 3rd plain conductor of a side of magnetic element 3 hollows in described the first coil 1 is wound around the magnetic element 3 plural number circles of the second coil 2 successively with twisted wire state and loose wire state respectively by ring-type mode, a wherein strip metal wire of a wherein strip metal wire of the first multiple metal wire of magnetic element 3 upsides of described the first coil 1, the second multiple metal wire of these magnetic element 3 downsides and the 3rd plain conductor are arranged to one becomes tap 4, it is fixing that all multiple metal wire of described the first coil 1 are sentenced the binding of twisted wire state intersection in fixed gap 11, as preferred embodiment, magnetic element 3 hollows in described the first coil 1 are bored a hole, and to take twisted wire state is wound around the magnetic element 3 of the second coil 2 number of turns by ring-type mode be 4 circles for two plain conductors of a side and the 3rd plain conductor, magnetic element 3 hollows in described the first coil 1 are bored a hole, and to take loose wire state is wound around the magnetic element 3 of the second coil 2 number of turns by ring-type mode be 2 circles for two plain conductors of a side and the 3rd plain conductor.
And the method for winding of the improved filtering unit for connector of the present invention coil when implementing is to carry out according to following steps: (1) is wound around in ring-type mode the first multiple metal wire RGB and the second multiple metal wire R1G1N respectively from the hollow perforation of the magnetic element 3 of the first coil 1, the number of turns being wound around is respectively at least a circle; Upside 31 and downside 32 that top the end of a thread after described the first multiple metal wire RGB and the second multiple metal wire R1G1N are wound around and end the end of a thread are distributed in respectively this magnetic element 3; (2) the plain conductor G of top the end of a thread of the first multiple metal wire RGB and the plain conductor G1 of top the end of a thread of the second multiple metal wire R1G1N that are positioned at magnetic element 3 upsides 31 of the first coil 1 are carried out to twisted wire, obtain twisted wire GG1; The plain conductor R ' of end the end of a thread of the first multiple metal wire RGB that is positioned at magnetic element 3 downsides 32 of the first coil 1 is carried out to twisted wire with the plain conductor R1 ' of second multiple metal wire R1G1N end the end of a thread, obtain twisted wire R ' R1 '; (3) twisted wire is carried out on the right side 34 of moving corresponding end the end of a thread G1 ', the top the end of a thread R of plain conductor R ' correspondence of corresponding end the end of a thread G ', the plain conductor G1 of the plain conductor G in step (2) and top the end of a thread R1 of plain conductor R1 ' to magnetic element 3, obtains twisted wire RR1G ' G1 '; (4) the plain conductor B of top the end of a thread of the first multiple metal wire RGB that is positioned at magnetic element 3 upsides 31 of the first coil 1, moving the left side 33 of magnetic element 3 to, the end plain conductor N ' of the second multiple metal wire R1G1N of these magnetic element 3 downsides 32 and newly-increased the 3rd plain conductor R2 is carried out to twisted wire, obtain twisted wire B N ' R2, the end fixing formation tap 4 of this twisted wire B N ' R2; (5) the twisted wire B N ' R2 obtaining in the twisted wire RR1G ' G1 ' obtaining in step (3) and step (4) is intersected; (6) the twisted wire GG1 obtaining in step (2) will be fixed on to fixed gap 11 places of the magnetic element 3 of the first coil 1 from top to down clockwise after all plain conductor binding half-turns; Twisted wire R ' the R1 ' obtaining in step (2) will be fixed on to fixed gap 11 places of the magnetic element 3 of the first coil 1, GG1 and R ' R1 ' twisted wire 2-3 joint from below to up counterclockwise after all plain conductor binding half-turns; (7) the other end B ' NR2 ' of the multiple metal wire of tap 4 correspondences is wound around from the hollow perforation of the magnetic element 3 of the second coil 2 by ring-type mode with twisted wire state, the number of turns of winding is at least a circle; And then this multiple metal wire B ' NR2 ' is wound around from the hollow perforation of the magnetic element 3 of the second coil 2 by ring-type mode with loose wire state, the number of turns of winding is at least a circle.
Wherein, the multiple metal wire B ' NR2 ' in described step (7) encloses from the number of turns 4 of the hollow perforation winding of the magnetic element 3 of the second coil 2 by ring-type mode with twisted wire state; Multiple metal wire B ' NR2 ' in described step (7) encloses from the number of turns 2 of the hollow perforation winding of the magnetic element 3 of the second coil 2 by ring-type mode with loose wire state.
When the improved filtering unit for connector of the present invention is applied to connector, in meeting 10Gbit/s high speed transmission of signals process, related topmost electrical characteristic includes the reflection loss (line side return loss) of signal input part, the reflection loss of signal output part (phy side return loss) and insertion loss (insertion loss), the present invention is by after carrying out several times test and contrasting with the standard gauge ruling of one of international standard maker's Intel Company to above-mentioned several electrical characteristics, show that the magnetic element 3 when the second coil 2 is wound around 4 circles by multiple metal wire with twisted wire state, with loose wire state, be wound around above-mentioned several the electrical characteristic the bests after 2 circles again, its test data as shown in Figure 11 to Figure 13.In addition, the present invention also provides several groups of dependence tests as a comparison, as shown in Fig. 8 to Figure 10, for the magnetic element 3 when the second coil 2 of the present invention is wound around 3 circles, is wound around the test data of testing after being applied to connector after 3 circles with loose wire state again with twisted wire state by multiple metal wire; As shown in Figure 14 to 16, for the magnetic element 3 when the second coil 2 of the present invention is wound around 5 circles, is wound around the test data of testing after being applied to connector after 1 circle with loose wire state again with twisted wire state by multiple metal wire; As shown in Figure 17 to 19, for the magnetic element 3 when the second coil 2 of the present invention, by multiple metal wire, with twisted wire state, be wound around the test data of testing after being applied to connector after 6 circles.
As shown in Fig. 8 to Figure 19, because input and the output of connector comprises respectively tetra-passages of ABCD, therefore in the reflection loss (line side return loss) of signal input part, the data of the reflection loss (phy side return loss) of signal output part time test include respectively four except Intel gauge wire, and insertion loss (insertion loss) comprises input insertion loss and output insertion loss, therefore the data of its test include eight except Intel gauge wire.
The filtering unit that the present invention adopts above-mentioned improved coil-winding method to manufacture, can break through the restriction of prior art, not only can process the transmission data of 10Gbit/s, meets the demand of people to high-speed transfer speed; And can guarantee to avoid occurring the phenomenon of distortion, data mistake in 10Gbit/s high speed transmission of signals process, high frequency characteristics is splendid, met the requirement of market high-speed transfer, effectively improved people's live and work quality, the development of human society has been played to important effect.
The foregoing is only comparatively preferred embodiment of the present invention, not in order to limit practical range of the present invention, therefore under any prerequisite that does not depart from the present invention's design any apparent replacement all within protection scope of the present invention.
Claims (4)
1. an improved filtering unit for connector, include at least one group of coil, every group of coil includes the first coil and the second coil, described the first coil and the second coil all contain a magnetic element, the hollow of each magnetic element forms perforation, on the magnetic element of described the first coil, be wound with two multiple metal wire, described two multiple metal wire are bored a hole and are wrapped on this magnetic element in ring-type mode through the hollow of this magnetic element respectively, the two ends at the whole story of these two multiple metal wire are all set to the end of a thread, top the end of a thread of described two multiple metal wire and end the end of a thread lay respectively at the both sides of magnetic element hollow perforation, between top the end of a thread of described two multiple metal wire and end the end of a thread, be provided with fixed gap, it is characterized in that: also include the 3rd plain conductor, bore a hole two plain conductors and the 3rd plain conductor of a side of magnetic element hollow in described the first coil is wound around the magnetic element plural number circle of the second coil successively with twisted wire state and loose wire state respectively by ring-type mode, a wherein strip metal wire of the second multiple metal wire of wherein a strip metal wire, this magnetic element downside of the first multiple metal wire of the magnetic element upside of described the first coil and the 3rd plain conductor are arranged to one becomes tap, it is fixing that all multiple metal wire of described the first coil are sentenced the binding of twisted wire state intersection in fixed gap.
2. a kind of improved filtering unit for connector according to claim 1, is characterized in that: the magnetic element hollow in described the first coil is bored a hole, and to take twisted wire state is wound around the magnetic element of the second coil number of turns by ring-type mode be 4 circles for two plain conductors of a side and the 3rd plain conductor; Magnetic element hollow in described the first coil is bored a hole, and to take loose wire state is wound around the magnetic element of the second coil number of turns by ring-type mode be 2 circles for two plain conductors of a side and the 3rd plain conductor.
3. for a coil-winding method for the filtering unit of connector, it is characterized in that: include following steps:
(1) the first multiple metal wire RGB and the second multiple metal wire R1G1N are wound around from the hollow perforation of the magnetic element of the first coil in ring-type mode respectively, the number of turns being wound around is respectively at least a circle; Upside and downside that top the end of a thread after described the first multiple metal wire RGB and the second multiple metal wire R1G1N are wound around and end the end of a thread are distributed in respectively this magnetic element;
(2) the plain conductor G of top the end of a thread of the first multiple metal wire RGB and the plain conductor G1 of top the end of a thread of the second multiple metal wire R1G1N that are positioned at the magnetic element upside of the first coil are carried out to twisted wire, obtain twisted wire GG1; The plain conductor R ' of end the end of a thread of the first multiple metal wire RGB that is positioned at the magnetic element downside of the first coil is carried out to twisted wire with the plain conductor R1 ' of second multiple metal wire R1G1N end the end of a thread, obtain twisted wire R ' R1 ';
(3) twisted wire is carried out on the right side of moving corresponding end the end of a thread G1 ', the top the end of a thread R of plain conductor R ' correspondence of corresponding end the end of a thread G ', the plain conductor G1 of the plain conductor G in step (2) and top the end of a thread R1 of plain conductor R1 ' to magnetic element, obtains twisted wire RR1G ' G1 ';
(4) the plain conductor B of top the end of a thread of the first multiple metal wire RGB that is positioned at the magnetic element upside of the first coil, moving the left side of magnetic element to, the end plain conductor N ' of the second multiple metal wire R1G1N of this magnetic element downside and newly-increased the 3rd plain conductor R2 is carried out to twisted wire, obtain twisted wire B N ' R2, the end fixing formation tap of this twisted wire B N ' R2;
(5) the twisted wire B N ' R2 obtaining in the twisted wire RR1G ' G1 ' obtaining in step (3) and step (4) is intersected;
(6) the twisted wire GG1 obtaining in step (2) will be fixed on to the fixed gap place of the magnetic element of the first coil from top to down clockwise after all plain conductor binding half-turns; Twisted wire R ' the R1 ' obtaining in step (2) will be fixed on to the fixed gap place of the magnetic element of the first coil, GG1 and R ' R1 ' twisted wire 2-3 joint from below to up counterclockwise after all plain conductor binding half-turns; (7) the other end B ' NR2 ' of multiple metal wire corresponding to tap is wound around from the hollow perforation of the magnetic element of the second coil by ring-type mode with twisted wire state, the number of turns of winding is at least a circle; And then this multiple metal wire B ' NR2 ' is wound around from the hollow perforation of the magnetic element of the second coil by ring-type mode with loose wire state, the number of turns of winding is at least a circle.
4. the coil-winding method of a kind of filtering unit for connector according to claim 3, is characterized in that: the multiple metal wire B ' NR2 ' in described step (7) encloses from the number of turns 4 of the hollow perforation winding of the magnetic element of the second coil by ring-type mode with twisted wire state; Multiple metal wire B ' NR2 ' in described step (7) encloses from the number of turns 2 of the hollow perforation winding of the magnetic element of the second coil by ring-type mode with loose wire state.
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| CN110379601A (en) * | 2019-07-30 | 2019-10-25 | 深圳市方向电子有限公司 | A kind of network transformer technique |
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| CN103700992B (en) | 2016-04-27 |
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Effective date of registration: 20171128 Address after: 341000 Dong District, Longling industrial district, A1, Nankang District, Ganzhou, Jiangxi Patentee after: Ganzhou Nankang Hongda Electronic Co., Ltd. Address before: 523935, No. 1, New Garden Road, East Village, Humen Town, Guangdong, Dongguan Co-patentee before: Ude Electronic Co., Ltd. Patentee before: Dongguan Jianguan Plastics Electron Co., Ltd. Co-patentee before: Zhongjiang Ude Electronic Co., Ltd. |