CN106160696A - Network filtering module and manufacture method thereof - Google Patents
Network filtering module and manufacture method thereof Download PDFInfo
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- CN106160696A CN106160696A CN201510157526.5A CN201510157526A CN106160696A CN 106160696 A CN106160696 A CN 106160696A CN 201510157526 A CN201510157526 A CN 201510157526A CN 106160696 A CN106160696 A CN 106160696A
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- enamel
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- magnetic core
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Abstract
A kind of network filtering module, it includes magnetic core of transformer and eight enamel-covered wires being wound on magnetic core of transformer, the part that described eight enamel-covered wires are positioned at outside magnetic core of transformer forms input and the output of primary coil, the centre cap of primary coil, the input of secondary coil and output, the centre cap of secondary coil, described common mode choke includes common mode inhibition magnetic core and three enamel-covered wires being wound on common mode inhibition magnetic core, wherein said three enamel-covered wires input and output with secondary coil respectively, the centre cap of secondary coil physically and electrically property connects, the part that described three enamel-covered wires are wound in common mode inhibition magnetic core twists together, the upper enamel-covered wire length making three line common mode chokes keeps highly consistent, signal transmission also will not occur distortion because the length in transmission path is different.The manufacture method relating to network filtering module also discloses in the lump.
Description
[technical field]
The present invention relates to a kind of network filtering module and manufacture method thereof, particularly relate to the coiling of common mode choke in network filtering module.
[background technology]
Prior art related to the present invention refer to Chinese CN102832021A patent application disclosed in 19 days December in 2012, it discloses the network filtering module including wire winding ring shape transformer and paster bar shaped common mode choke, wherein transformer uses eight twisted wires to be wound around magnetic core of transformer, and the primary coil input of transformer, the secondary coil input of output and transformer, output are two-wire the end of a thread, the primary coil centre cap of transformer and secondary coil centre cap are four line the end of a thread.Owing to common mode choke uses the strip structure of SMD I-type magnetic core, cause common mode inhibition capacity poor.
Another prior art related to the present invention refer to Chinese CN103259143A patent application disclosed in August 21 in 2013, it discloses a kind of network filtering module including wire winding ring shape transformer and coiling annular common mode choke, wherein transformer uses eight twisted wires to be wound around magnetic core of transformer, and common mode choke uses three enamel-covered wires not twisted together to be wound around common mode inhibition magnetic core.Three enamel-covered wires are not stranded is wound in common mode inhibition magnetic core, owing to length and homogeneity are not easily controlled so that common mode rejection performance is poor, in high speed 10G
Under the network signal transmission of bit/s speed, distorted signals easily occurs.
Therefore, it is necessary to carry out improveing to solve aforementioned drawback of the prior art to aforementioned network filter module in fact.
[content of the invention]
The technical problem underlying to be solved of the present invention is: providing a kind of common mode inhibition capacity strong, signal is difficult to network filtering module and the manufacture method thereof of distortion.
For solving above-mentioned technical problem underlying, the present invention adopts the following technical scheme that
A kind of network filtering module, it includes interconnective transformer and common mode choke, described transformer includes magnetic core of transformer and eight enamel-covered wires being wound on magnetic core of transformer, the part that described eight enamel-covered wires are positioned at outside magnetic core of transformer forms input and the output of primary coil, the centre cap of primary coil, the input of secondary coil and output, the centre cap of secondary coil, described common mode choke includes common mode inhibition magnetic core and three enamel-covered wires being wound on common mode inhibition magnetic core, wherein said three enamel-covered wires input and output with secondary coil respectively, the centre cap of secondary coil physically and electrically property connects, the part that described three enamel-covered wires are wound in common mode inhibition magnetic core twists together.
A kind of network filtering module making method, it comprises the steps:
(1) magnetic core of transformer is provided；
(2) offer is twisted into one eight enamel-covered wires；
(3) this strand of enamel-covered wire is wound in magnetic core of transformer, manage out the end of a thread of each enamel-covered wire, respectively stranded go out the input of primary coil, the output of primary coil, the centre cap of primary coil, the input of secondary coil, the output of secondary coil and secondary coil centre cap, wherein input and output, the input of secondary coil and the output of primary coil is two-wire the end of a thread, and the centre cap of the centre cap of primary coil and secondary coil is four line the end of a thread；
(4) providing three enamel-covered wires, being connected wherein first enamel-covered wire with the input of secondary coil, second enamel-covered wire is connected with the output of secondary coil, and the 3rd enamel-covered wire is connected with the centre cap of secondary coil；
(5) a common mode inhibition magnetic core is provided, first enamel-covered wire, second enamel-covered wire and the 3rd stranded back wall of enamel-covered wire are wound around repeatedly around common mode inhibition magnetic core, and be the most finally formed separately three connection the end of a thread of common mode choke outside common mode inhibition magnetic core.
Compared with prior art, beneficial effect point of the present invention is: the part being wound in common mode inhibition magnetic core due to three enamel-covered wires twists together, the upper enamel-covered wire length making three line common mode chokes keeps highly consistent, and signal transmission also will not occur distortion because the length in transmission path is different.
[brief description]
Fig. 1 is the schematic diagram of the network filtering module meeting the present invention.
The electrical schematic diagram of network filtering module shown in Fig. 2 to Fig. 1.
Fig. 3 is the side view of one group of transformer and common mode choke shown in Fig. 1.
Fig. 4 is the circuit theory diagrams of transformer shown in Fig. 3 and common mode choke.
Fig. 5 is the exploded view that network filtering module shown in Fig. 1 is applied to network connector.
Another exploded view of network connector shown in Fig. 6 to Fig. 5.
[main element symbol description]
| Circuit board | 1 | Network filtering module | 100 |
| Cable-side | 101 | Chip side | 102 |
| Signal transmission passage | 103 | Detection channel | 104 |
| First row conducting strip | 11 | Transformer | 2 |
| Network connector | 200 | Magnetic core of transformer | 21 |
| Eight enamel-covered wires | 22 | The input of primary coil | 221 |
| The output of primary coil | 222 | The centre cap of primary coil | 223 |
| The input of secondary coil | 224 | The output of secondary coil | 225 |
| The centre cap of secondary coil | 226 | Common mode choke | 3 |
| Common mode inhibition magnetic core | 31 | Three enamel-covered wires | 32 |
| The end of a thread | 321、322 | RJ terminal | 41 |
| Pin terminal | 42 | Plastic body | 43 |
| LED | 44 | Plastic-carrier | 45 |
| Metal shell | 46 | It is dielectrically separated from adhesive tape | 48 |
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
[detailed description of the invention]
Describe the detailed description of the invention of magnetic module of the present invention below in conjunction with the accompanying drawings in detail.
As shown in Figure 1 to Figure 2, network filtering module 100 include it include circuit board the 1st, install with circuit board 1 on and interconnective transformer 2 and common mode choke 3.Network filtering module 100 circuit is arranged between cable-side 101 and chip side 102, and has four signal transmission passages 103 of identical setting, and a detection channel 104.Each passage is equipped with a transformer 2 and common mode choke 3, and common mode choke 3 is three line common mode choke (3-wire-common
mode choke).Detection channel 104 is used for collecting the noise state in signal transmission passage 103, and feeds back to the chip on motherboard, in order to make corresponding regulation action.
As shown in Figure 3 to Figure 4, transformer 2 includes magnetic core of transformer 21 and eight enamel-covered wires 22 being wound on magnetic core of transformer 21, the part that described eight enamel-covered wires 22 are wound on magnetic core of transformer 21 twists together, the input 224 of the input 221 of the part formation primary coil that described eight enamel-covered wires 22 are positioned at outside magnetic core of transformer 21 and centre cap the 223rd, the secondary coil of output the 222nd, primary coil and the centre cap 226 of output the 225th, secondary coil.The input 224 of the input 221 of primary coil and output the 222nd, secondary coil and output 225 are two-wire the end of a thread, and the centre cap 223 of described primary coil and the centre cap 226 of secondary coil are four line the end of a thread.The centre cap 223 of the input 221 of primary coil and output the 222nd, primary coil is not wound in the part of magnetic core of transformer 21 and mutually scatters setting, mutually not stranded.The part that the centre cap 226 of the input 224 of secondary coil and output the 225th, secondary coil is not wound in magnetic core of transformer 21 is separated from each other setting, mutually not stranded.The centre cap 226 of the centre cap 223 of primary coil and secondary coil is arranged in a crossed manner.The stranded degree that eight enamel-covered wires 22 twisting together are wound around magnetic core of transformer 21 is 5 circle per inch (Twisted Per
Inch, TPI), eight twisted wires along 150 ° of even circumferentials of magnet ring around 7 turns (Twisted, T).
Common mode choke 3 includes common mode inhibition magnetic core 31 and three enamel-covered wires 32 being wound on common mode inhibition magnetic core 31, three the end of a thread 321 of described three enamel-covered wires 32 are connected with the input 224 of secondary coil and the centre cap 226 physically and electrically property of output the 225th, secondary coil respectively, the part that described three enamel-covered wires 32 are wound in common mode inhibition magnetic core 31 twists together, and the other three the end of a thread 322 of described three enamel-covered wires 32 scatters and is set to free end and is connected on circuit board 1.It is 12TPI that three enamel-covered wire 32 per inch turn round cabling degree, along choke coil magnet ring around 320 ° of even circumferentials around 13T.Through test, on transformer 2 and common mode choke 3, such stranded degree and pitch of the laps can obtain more preferably electric property.Magnetic core of transformer 21 and common mode inhibition magnetic core 31 are ring-shaped magnetic core.
As shown in Fig. 1, Fig. 5 and Fig. 6, circuit board 1 is provided with first row conducting strip 11 arranged in parallel and second row conducting strip 12, on three conducting strips that the centre cap 223 of the input 221 of the primary coil on transformer 2 and output the 222nd, primary coil is respectively connecting on first row conducting strip 11.On three conducting strips that each the end of a thread 322 of three enamel-covered wires 32 on common mode choke 3 is respectively connecting on second row conducting strip 12.Second row conducting strip 12 is positioned at the front side of first row conducting strip 11, and circuit board 1 is additionally provided with eight conductive through holes 13 in the front side of second row conducting strip 12, and the insertion for eight RJ terminals 41 connects.Circuit board 1 first row conducting strip 11 and and second row conducting strip 12 between be additionally provided with the some conductive through holes (non-label) being positioned at below transformer 2 and common mode choke 3, for pin terminal 42 insert be connected.It is provided with between the conductive through hole that transformer 2 and common mode choke 3 and pin terminal 42 insert and be dielectrically separated from adhesive tape 48.Pin terminal 42 is arranged transformer 2 and the lower section of common mode choke 3, the i.e. centre position of circuit board 1, the length of circuit board 1 can be reduced, so that the size of network connector 200 diminishes.Network connector 200 also includes the plastic-carrier 45 of LED the 44th, the bearer network filter module 100 that the 43rd, plastic body be arranged on plastic body sidewall and the metal shell 46 of shielding external disturbance and grounding connection.
The manufacture method of a kind of above-mentioned network filtering module 100, it comprises the steps:
(1) magnetic core of transformer 21 is provided；
(2) offer is twisted into one eight enamel-covered wires 22；
(3) eight enamel-covered wires 22 of this stock are wound in magnetic core of transformer 21, manage out the end of a thread of each enamel-covered wire, respectively stranded go out the output 225 of input the 224th, secondary coil of centre cap the 223rd, secondary coil of output the 222nd, primary coil of input the 221st, primary coil of primary coil and secondary coil centre cap 226, wherein the input 221 of primary coil and input 224 and the output 225 of output the 222nd, secondary coil are two-wire the end of a thread, and the centre cap 226 of the centre cap 223 of primary coil and secondary coil is four line the end of a thread；
(4) providing three enamel-covered wires 32, being connected wherein first enamel-covered wire with the input 224 of secondary coil, second enamel-covered wire is connected with the output 225 of secondary coil, and the 3rd enamel-covered wire is connected with the centre cap 226 of secondary coil；
(5) a common mode inhibition magnetic core 31 is provided, first enamel-covered wire, second enamel-covered wire and the 3rd stranded back wall of enamel-covered wire are wound around repeatedly around common mode inhibition magnetic core 31, and are the most finally formed separately three connection the end of a thread of common mode choke 3 outside common mode inhibition magnetic core 31.
Wherein in step (6), three enamel-covered wires are welded by wicking respectively with the input 224 of secondary coil and the centre cap 226 of output the 225th, secondary coil.
Claims (10)
1. a network filtering module, it includes interconnective transformer and common mode choke, described transformer includes magnetic core of transformer and eight enamel-covered wires being wound on magnetic core of transformer, the part that described eight enamel-covered wires are positioned at outside magnetic core of transformer forms input and the output of primary coil, the centre cap of primary coil, the input of secondary coil and output, the centre cap of secondary coil, described common mode choke includes common mode inhibition magnetic core and three enamel-covered wires being wound on common mode inhibition magnetic core, it is characterized in that: described three enamel-covered wires input and output with secondary coil respectively, the centre cap of secondary coil physically and electrically property connects, the part that described three enamel-covered wires are wound in common mode inhibition magnetic core twists together.
2. network filtering module as claimed in claim 1, it is characterised in that: the part that described eight enamel-covered wires are wound on magnetic core of transformer twists together.
3. network filtering module as claimed in claim 1, it is characterized in that: the input of described primary coil and output, the input of secondary coil and output are two-wire the end of a thread, the centre cap of described primary coil and the centre cap of secondary coil are four line the end of a thread.
4. network filtering module as claimed in claim 1, it is characterised in that: the centre cap of the input of described secondary coil and output, secondary coil is separated from each other setting.
5. network filtering module as claimed in claim 1, it is characterised in that: the centre cap of described primary coil centre cap and secondary coil is arranged in a crossed manner.
6. network filtering module as claimed in claim 1, it is characterised in that: described magnetic core of transformer and common mode inhibition magnetic core are ring-type, and described three enamel-covered wires are around common mode inhibition core FCl 13 turns.
7. a network filtering module making method, it comprises the steps:
(1) magnetic core of transformer is provided；
(2) offer is twisted into one eight enamel-covered wires；
(3) this strand of enamel-covered wire is wound in magnetic core of transformer, manage out the end of a thread of each enamel-covered wire, respectively stranded go out the input of primary coil, the output of primary coil, the centre cap of primary coil, the input of secondary coil, the output of secondary coil and secondary coil centre cap, wherein input and output, the input of secondary coil and the output of primary coil is two-wire the end of a thread, and the centre cap of the centre cap of primary coil and secondary coil is four line the end of a thread；
(4) providing three enamel-covered wires, being connected wherein first enamel-covered wire with the input of secondary coil, second enamel-covered wire is connected with the output of secondary coil, and the 3rd enamel-covered wire is connected with the centre cap of secondary coil；
(5) a common mode inhibition magnetic core is provided, first enamel-covered wire, second enamel-covered wire and the 3rd stranded back wall of enamel-covered wire are wound around repeatedly around common mode inhibition magnetic core, and be the most finally formed separately three connection the end of a thread of common mode choke outside common mode inhibition magnetic core.
8. network filtering mould manufacture method as claimed in claim 7, it is characterised in that: in step (3), three enamel-covered wires and input and output, second centre cap of secondary coil are welded by wicking respectively.
9. network filtering mould manufacture method as claimed in claim 7, it is characterised in that: in step (3), the input of secondary coil and the centre cap of output, secondary coil are separated from each other setting.
10. network filtering mould manufacture method as claimed in claim 7, it is characterised in that: in step (3), the centre cap of primary coil and the centre cap of secondary coil are arranged in a crossed manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510157526.5A CN106160696A (en) | 2015-04-03 | 2015-04-03 | Network filtering module and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510157526.5A CN106160696A (en) | 2015-04-03 | 2015-04-03 | Network filtering module and manufacture method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106160696A true CN106160696A (en) | 2016-11-23 |
Family
ID=57338497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510157526.5A Pending CN106160696A (en) | 2015-04-03 | 2015-04-03 | Network filtering module and manufacture method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106160696A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070040645A1 (en) * | 2005-08-19 | 2007-02-22 | Sedio Stephen M | Transformer And Method Of Winding Same |
| CN201639097U (en) * | 2009-12-18 | 2010-11-17 | 东莞创宝达电器制品有限公司 | Magnetic module for connector |
| CN202495325U (en) * | 2012-02-16 | 2012-10-17 | 涌德电子股份有限公司 | Coil tap processing structure of filtering component |
| CN102832019A (en) * | 2011-06-14 | 2012-12-19 | 富士康(昆山)电脑接插件有限公司 | Transformer |
| CN202798610U (en) * | 2012-08-02 | 2013-03-13 | 富士康(昆山)电脑接插件有限公司 | Filter circuit and electric connector using filter circuit |
| CN103166060A (en) * | 2011-12-13 | 2013-06-19 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN103259143A (en) * | 2013-04-19 | 2013-08-21 | 涌德电子股份有限公司 | Filtering assembly used for connector and coil winding method |
| CN103700992A (en) * | 2014-01-07 | 2014-04-02 | 东莞建冠塑胶电子有限公司 | Improved filtering assembly for connector and coil winding method |
-
2015
- 2015-04-03 CN CN201510157526.5A patent/CN106160696A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070040645A1 (en) * | 2005-08-19 | 2007-02-22 | Sedio Stephen M | Transformer And Method Of Winding Same |
| CN201639097U (en) * | 2009-12-18 | 2010-11-17 | 东莞创宝达电器制品有限公司 | Magnetic module for connector |
| CN102832019A (en) * | 2011-06-14 | 2012-12-19 | 富士康(昆山)电脑接插件有限公司 | Transformer |
| CN103166060A (en) * | 2011-12-13 | 2013-06-19 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN202495325U (en) * | 2012-02-16 | 2012-10-17 | 涌德电子股份有限公司 | Coil tap processing structure of filtering component |
| CN202798610U (en) * | 2012-08-02 | 2013-03-13 | 富士康(昆山)电脑接插件有限公司 | Filter circuit and electric connector using filter circuit |
| CN103259143A (en) * | 2013-04-19 | 2013-08-21 | 涌德电子股份有限公司 | Filtering assembly used for connector and coil winding method |
| CN103700992A (en) * | 2014-01-07 | 2014-04-02 | 东莞建冠塑胶电子有限公司 | Improved filtering assembly for connector and coil winding method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110379601B (en) * | 2019-07-30 | 2023-10-31 | 深圳市方向电子股份有限公司 | Network transformer technology |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20161123 |