CN102842410A - Butterfly type wire winding structure of common mode inductor - Google Patents
Butterfly type wire winding structure of common mode inductor Download PDFInfo
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- CN102842410A CN102842410A CN2012103467577A CN201210346757A CN102842410A CN 102842410 A CN102842410 A CN 102842410A CN 2012103467577 A CN2012103467577 A CN 2012103467577A CN 201210346757 A CN201210346757 A CN 201210346757A CN 102842410 A CN102842410 A CN 102842410A
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Abstract
The invention discloses a butterfly type wire winding structure of a common mode inductor. A first winding and a second winding with the same number of windings are respectively wound on the two sides of a ferrite annular magnetic core; the first winding and the second winding respectively wind 12 windings from the middle to the two sides, and rewind 10 windings to the middle. The whole machine adopting the wire winding structure disclosed by the invention can pass an EMI (Electro-Magnetic Interference) experiment; and the wire winding structure disclosed by the invention has better EMI control effect and absorption effect than a screen method, and can be widely applied in cooling machine manufacturing industry.
Description
Technical field
The present invention relates to common mode inductance, particularly the wire winding of common mode inductance.
Background technology
In existing cold machine, more or less all can there be electromagnetic interference (EMI) to a certain degree.Electromagnetic interference mainly since due to voltage spikes and current spike cause.Traditional solution for electromagnetic interference problem is to adopt soft switch, absorption, shielding etc., and improves PCB layout etc.In addition, wire winding is also extremely important to the control electromagnetic interference.
At present in the common mode inductance of the input of cold machine, adopt winding structure as shown in Figure 1 usually.The method for winding of coiling first winding 2 and second winding, 3, the first windings 2 and second winding 3 is to enclose around 24 to afterbody from separately head respectively on the both sides of a ferrite toroidal magnetic core 1, craniad unrolls from afterbody then and 20 encloses.This winding structure can't pass through when complete machine is done the EMI experiment.
Summary of the invention
To the common mode inductance EMI problem not up to standard of above-mentioned employing tradition winding structure, the applicant is carrying out after the comparative analysis ripple is capable through research experiment, and the winding mode of common mode inductance has been proposed improvement, and a kind of butterfly winding structure of common mode inductance is provided.
Technical scheme of the present invention is following:
A kind of butterfly winding structure of common mode inductance, first winding and second winding of the identical number of turn of coiling respectively on the both sides of a ferrite toroidal magnetic core, said first winding and second winding are started from the centre respectively to both sides respectively around 12 circles, again to centre 10 circles that unroll.
Useful technique effect of the present invention is:
Test shows, the complete machine of employing winding structure of the present invention can be through the EMI experiment.And EMI control effect ratio of the present invention adds screen method and assimilation effect is better.The present invention can be widely used in cold machine and make industry.
Description of drawings
Fig. 1 is the sketch map of existing winding structure.
Fig. 2 is the sketch map of one embodiment of the invention.
Embodiment
Further specify below in conjunction with the accompanying drawing specific embodiments of the invention.
Fig. 2 is the sketch map of one embodiment of the invention.As shown in Figure 2, at the right and left of ferrite toroidal magnetic core 1 first winding 2 and second winding 3 of the identical number of turn of coiling respectively.Collets 4 on the ferrite toroidal magnetic core 1 are kept apart first winding 2 and second winding 3.The winding mode of first winding 2 and second winding 3 is: two windings are started from the centre of winding respectively, to both sides respectively around 12 the circle, again to the centre unroll 10 the circle.
According to the difference of common mode inductance kind and performance requirement, winding turns is not limited to the circle of 12 among Fig. 2,10 circles, can carry out the adjustment of coil turn according to actual conditions, but the subject spirit of its winding structure does not break away from the above with design.
Above-described only is preferred implementation of the present invention, the invention is not restricted to above embodiment.Be appreciated that other improvement and variation that those skilled in the art directly derive or associate under the prerequisite that does not break away from spirit of the present invention and design, all should think to be included within protection scope of the present invention.
Claims (1)
1. the butterfly winding structure of a common mode inductance; It is characterized in that: at first winding (2) and second winding (3) of the identical number of turn of the both sides of a ferrite toroidal magnetic core (1) difference coiling; Said first winding (2) and second winding (3) start from the centre respectively to both sides respectively around 12 the circle, again to the centre unroll 10 the circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103467577A CN102842410A (en) | 2012-09-18 | 2012-09-18 | Butterfly type wire winding structure of common mode inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103467577A CN102842410A (en) | 2012-09-18 | 2012-09-18 | Butterfly type wire winding structure of common mode inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102842410A true CN102842410A (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103467577A Pending CN102842410A (en) | 2012-09-18 | 2012-09-18 | Butterfly type wire winding structure of common mode inductor |
Country Status (1)
| Country | Link |
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| CN (1) | CN102842410A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449080A (en) * | 2016-11-07 | 2017-02-22 | 广州德珑磁电科技股份有限公司 | Coiling method for annular inductor and annular inductor |
| CN107123543A (en) * | 2017-07-11 | 2017-09-01 | 合肥艾克比电子科技有限公司 | A kind of effective reduction EMC magnet ring winding method |
| CN109243814A (en) * | 2018-10-11 | 2019-01-18 | 珠海市科瑞思机械科技有限公司 | A kind of butterfly winding inductance coil winding machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005294368A (en) * | 2004-03-31 | 2005-10-20 | Tdk Corp | Inductor and filter element |
| CN201540797U (en) * | 2009-09-16 | 2010-08-04 | 谢道平 | Novel common-mode inductor |
| CN202855506U (en) * | 2012-09-18 | 2013-04-03 | 无锡晶磊电子有限公司 | Common mode choke butterfly style coiling structure |
-
2012
- 2012-09-18 CN CN2012103467577A patent/CN102842410A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005294368A (en) * | 2004-03-31 | 2005-10-20 | Tdk Corp | Inductor and filter element |
| CN201540797U (en) * | 2009-09-16 | 2010-08-04 | 谢道平 | Novel common-mode inductor |
| CN202855506U (en) * | 2012-09-18 | 2013-04-03 | 无锡晶磊电子有限公司 | Common mode choke butterfly style coiling structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449080A (en) * | 2016-11-07 | 2017-02-22 | 广州德珑磁电科技股份有限公司 | Coiling method for annular inductor and annular inductor |
| CN106449080B (en) * | 2016-11-07 | 2017-11-17 | 广州德珑磁电科技股份有限公司 | The method for winding and its inductance of a kind of ring-shaped inductors |
| CN107123543A (en) * | 2017-07-11 | 2017-09-01 | 合肥艾克比电子科技有限公司 | A kind of effective reduction EMC magnet ring winding method |
| CN109243814A (en) * | 2018-10-11 | 2019-01-18 | 珠海市科瑞思机械科技有限公司 | A kind of butterfly winding inductance coil winding machine |
| CN109243814B (en) * | 2018-10-11 | 2023-09-12 | 珠海市科瑞思机械科技有限公司 | Butterfly winding method inductance winding machine |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121226 |