CN208111259U - Common mode network filter and system - Google Patents
Common mode network filter and system Download PDFInfo
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- CN208111259U CN208111259U CN201820640108.0U CN201820640108U CN208111259U CN 208111259 U CN208111259 U CN 208111259U CN 201820640108 U CN201820640108 U CN 201820640108U CN 208111259 U CN208111259 U CN 208111259U
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- 238000004804 winding Methods 0.000 claims abstract description 138
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- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 6
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Abstract
The utility model embodiment is related to inductor filter technical field, in particular to a kind of common mode network filter and system.The common mode network filter includes the first magnetic core cylinder, first coil winding, second coil winding, tertiary coil winding, the 4th coil windings and printed circuit board；One end of first magnetic core cylinder is provided with first electrode, second electrode, third electrode, 4th electrode and the 5th electrode, the other end is provided with the 6th electrode, 7th electrode, 8th electrode, 9th electrode and the tenth electrode, first coil winding, second coil winding, tertiary coil winding and the 4th coil windings winding and are electrically connected to corresponding motor respectively, printed circuit board is electrically connected with third electrode and the 8th electrode, printed circuit board conducting ground connection, tenth electrode and the 9th electrode, conducting forms the second common mode filtering component on a printed circuit board respectively for 4th electrode and the 5th electrode.The common mode network filter good wave filtering effect, low manufacture cost.
Description
Technical field
The utility model embodiment is related to inductor filter technical field, in particular to a kind of common mode network filter
And system.
Background technique
With electronic equipment, computer and household electrical appliance and widely available, noise jamming gets worse and forms a kind of public affairs
Evil, such as harmonic wave interference and electromagnetic interference, need to be filtered using filter.The existing most filter effect of filter is poor
And fabrication cycle is long, cost of manufacture is high.
Utility model content
In view of this, the present invention provides a kind of common mode network filter and systems, can be improved filter effect, subtract
Few fabrication cycle and reduction cost of manufacture.
To achieve the above object, the utility model embodiment provides a kind of common mode network filter, including first coil
Winding, second coil winding, tertiary coil winding, the 4th coil windings, the first magnetic core cylinder and printed circuit board；
One end of the first magnetic core cylinder is provided with first electrode, second electrode, third electrode, the 4th electrode and the 5th
The other end of electrode, the first magnetic core cylinder is provided with the 6th electrode, the 7th electrode, the 8th electrode, the 9th electrode and the tenth
Electrode；
The both ends of the first coil winding winding and are electrically connected to the first electrode and the 9th electrode respectively；Described
The both ends of two coil winding winding and are electrically connected to the tenth electrode and the second electrode respectively；The tertiary coil winding
Both ends winding and be electrically connected to the 4th electrode and the 6th electrode respectively；Distinguish at the both ends of 4th coil windings
Winding is simultaneously electrically connected to the 7th electrode and the 5th electrode；
The printed circuit board is electrically connected with the third electrode and the 8th electrode, and the printed circuit board conducting connects
Ground；
Tenth electrode and the 9th electrode are connected on the printed circuit board forms the first common mode filtering component,
4th electrode and the 5th electrode are connected on the printed circuit board forms the second common mode filtering component.
Optionally, the common mode network filter further includes choking-winding；Wherein, the choking-winding includes the second magnetic core
Cylinder, the 5th coil windings and the 6th coil windings；
One end of the second magnetic core cylinder is provided with the first chokes electrode and the second chokes electrode, the second magnetic core column
The other end of body is provided with third chokes electrode and the 4th chokes electrode；
The both ends of 5th coil windings winding and are electrically connected to the first chokes electrode and the third is gripped respectively
Galvanic electricity pole；
The both ends of 6th coil windings winding and are electrically connected to the second chokes electrode and the described 4th and grip respectively
Galvanic electricity pole.
Optionally, the 7th electrode is electrically connected with the first chokes electrode, and the 6th electrode is gripped with described second
The electrical connection of galvanic electricity pole.
Optionally, one end of the first coil winding is electrically connected with the first electrode, the first coil forward direction around
Set on the first magnetic core cylinder, the one end of the first coil winding far from the first electrode is electrically connected with the 9th electrode
It connects；
One end of the tertiary coil winding is electrically connected with the 4th electrode, and the tertiary coil winding forward direction is set around
The first magnetic core cylinder, the tertiary coil winding are electrically connected far from one end of the 4th electrode with the 6th electrode.
Optionally, one end of the second coil winding is electrically connected with second electrode, the second coil winding reversely around
Set on the first magnetic core cylinder, one end of the separate second electrode of the second coil winding and the tenth electrode electricity
Connection；
One end of 4th coil windings is electrically connected with the 5th electrode, and the 4th coil windings are reversely set around
The first magnetic core cylinder, the 4th coil windings are electrically connected far from one end of the 5th electrode with the 7th electrode.
Optionally, the first coil winding, the second coil winding, the tertiary coil winding and the 4th line
Circle winding successively coats on the first magnetic core cylinder.
Optionally, one end of the 5th coil windings is electrically connected with the first chokes electrode, the 5th coil around
Group is set around the second magnetic core cylinder, the one end of the 5th coil far from the first chokes electrode and the third chokes
Electrode electrical connection.
Optionally, one end of the 6th coil windings is electrically connected with the second chokes electrode, the 6th coil around
Group is set around the second magnetic core cylinder, the one end of the 6th coil far from the second chokes electrode and the 4th chokes
Electrode electrical connection.
Optionally, the first electrode the first magnetic core cylinder opposite with the tenth electrode is symmetrical parallel；Described
Two electrodes the first magnetic core cylinder opposite with the 9th electrode is symmetrical parallel；The third electrode and the 8th electrode phase
It is symmetrical parallel to the first magnetic core cylinder；4th electrode the first magnetic core cylinder opposite with the 7th electrode is symmetrical
In parallel；5th electrode the first magnetic core cylinder opposite with the 6th electrode is symmetrical parallel.
The utility model embodiment additionally provides a kind of common mode network filtering system, including reception device and above-mentioned common mode net
Network filter, wherein the common mode network filter is electrically connected with the reception device.
Common mode network filter provided by the embodiment of the utility model and system, first coil winding and second coil winding
Positioned at printed circuit board side, primary coil can be formed, it is another that tertiary coil winding and the 4th coil windings are located at printed circuit board
Side can form secondary coil, without intersection between primary coil and secondary coil, simplify coiling complexity, and then reduce
Fabrication cycle and cost of manufacture, printed circuit plate earthing can effectively solve the problem that battery interference problem, and signal can be from primary coil
Printed circuit board is flowed through to secondary coil, effective filter is able to carry out by the first common mode filtering component and the second common mode filtering component
Wave.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of common mode network filter provided by the utility model embodiment.
Fig. 2 is a kind of simplified structure diagram of common mode network filter provided by the utility model embodiment.
Fig. 3 is a kind of structural schematic diagram of choking-winding provided by the utility model embodiment.
Fig. 4 is a kind of structural schematic diagram of common mode network filtering system provided by the utility model embodiment.
Icon：100- common mode network filter；200- common mode network filtering system；1- the first magnetic core cylinder；111- first
Electrode；112- second electrode；113- third electrode；The 4th electrode of 114-；The 5th electrode of 115-；The 6th electrode of 121-；122-
Seven electrodes；The 8th electrode of 123-；The 9th electrode of 124-；The tenth electrode of 125-；21- first coil winding；The second coil of 22- around
Group；23- tertiary coil winding；The 4th coil windings of 24-；3- printed circuit board；4- choking-winding；41- the second magnetic core cylinder；
411- the first chokes electrode；412- the second chokes electrode；413- third chokes electrode；The 4th chokes electrode of 414-；The 5th line of 42-
Enclose winding；The 6th coil windings of 43-；5- reception device.
Specific embodiment
With electronic equipment, computer and household electrical appliance and widely available, noise jamming gets worse and forms a kind of public affairs
Evil, such as harmonic wave interference and electromagnetic interference, need to be filtered using filter.
Further investigation reveals that existing big multi-filter because magnetic material limitation and space limitation, it may appear that signal interruption or
Delay, causes filter effect poor, and coiling is complicated, and fabrication cycle is long, and cost of manufacture is high.
Defect present in the above scheme in the prior art, is that inventor is obtaining after practicing and carefully studying
As a result, therefore, what the discovery procedure of the above problem and hereinafter the utility model embodiment were proposed regarding to the issue above
Solution all should be the contribution that inventor makes the utility model during the utility model.
Based on the studies above, the utility model embodiment provides a kind of common mode network filter and system, can be improved
Filter effect reduces fabrication cycle and reduces cost of manufacture.
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Usually retouched in attached drawing here
The component of the utility model embodiment stated and shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, unless otherwise clearly defined and limited, term " setting ", " connected ", " company
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, it can understand that above-mentioned term is practical new at this with concrete condition
Concrete meaning in type.
Fig. 1 shows a kind of structural schematic diagram of common mode network filter 100 provided by the utility model embodiment, by
Figure is as it can be seen that the common mode network filter includes the first magnetic core cylinder 1, first coil winding 21, second coil winding 22, third line
Enclose winding 23, the 4th coil windings 24 and printed circuit board 3.
Wherein, one end of the first magnetic core cylinder 1 is provided with first electrode 111, second electrode 112, third electrode 113,
Four electrodes 114 and the 5th electrode 115, the other end of the first magnetic core cylinder 1 are provided with the 6th electrode 121, the 7th electrode 122,
Eight electrodes 123, the 9th electrode 124 and the tenth electrode 125.
In the present embodiment, first electrode 111, second electrode 112, third electrode 113, the 4th electrode 114 and the 5th electricity
Pole 115 is sequentially arranged at one end of the first magnetic core cylinder 1, the 6th electrode 121, the 7th electrode 122, the 123, the 9th electricity of the 8th electrode
Pole 124 and the tenth electrode 125 are sequentially arranged at the other end of the first magnetic core cylinder 1.It is appreciated that not necessarily being pressed with top electrode
According to certain both ends for being arranged sequentially the first magnetic core cylinder 1, can be adjusted according to actual installation situation, in the present embodiment
To be set in sequence not be restriction to set-up mode.
Further, the both ends of first coil winding 21 winding and are electrically connected to first electrode 111 and the 9th electrode respectively
124, the both ends of second coil winding 22 winding and are electrically connected to second electrode 112 and the tenth electrode 125 respectively, tertiary coil around
The both ends of group 23 winding and are electrically connected to the 4th electrode 114 and the 6th electrode 121 respectively, the both ends difference of the 4th coil windings 24
Winding is simultaneously electrically connected to the 5th electrode 115 and the 7th electrode 122.
Further, please continue to refer to Fig. 1, printed circuit board 3 is electrically connected with third electrode 113 and the 8th electrode 123, print
The conducting of circuit board 3 ground connection processed.Tenth electrode 125 and the 9th electrode 124 are connected on printed circuit board 3 forms the first common mode filtering
Component, the 4th electrode 114 and the 5th electrode 115 are connected on printed circuit board 3 forms the second common mode filtering component.
In the present embodiment, the first winding coil 21 and the second winding coil 22 can be regarded as primary coil, the primary line
Circle is located at the side of printed circuit board 3, and tertiary winding coil 23 and the 4th winding coil 24 can be regarded as the secondary coil, be located at
The other side of printed circuit board.Primary coil and secondary coil are set around the first magnetic core cylinder 1, so set, can be avoided more
The two sides that group coil passes through printed circuit board are electrically connected with each electrode, are reduced the complexity of coiling, are thereby reduced and be fabricated to
This and Production Time, the first common mode filtering component, the second common mode filtering component and printed circuit board can play good filtering
Effect can be avoided magnetic material limitation and space limitation.
Optionally, first electrode 111 and the opposite first magnetic core cylinder 1 of the tenth electrode 125 are symmetrical parallel, second electrode 112
It is symmetrical parallel with the opposite first magnetic core cylinder 1 of the 9th electrode 124, third electrode 113 and the opposite first magnetic core column of the 8th electrode 123
Body 1 is symmetrical parallel, and the 4th electrode 114 and the opposite first magnetic core cylinder 1 of the 7th electrode 122 are symmetrical parallel, the 5th electrode 115 and the
The opposite first magnetic core cylinder 1 of six electrode 121 is symmetrical parallel.
In the present embodiment, first electrode 111, second electrode 112, third electrode 113, the 4th electrode 114, the 5th electrode
115, the 6th electrode 121, the 7th electrode 122, the 8th electrode 123, the 9th electrode 124 and the tenth electrode 125 shape select but
It is not limited to rectangle, and the size of two electrodes parallel to each other matches.
Optionally, in the present embodiment, first coil winding 21, second coil winding 22, tertiary coil winding 23 and
Four coil windings 24 successively coat on the first magnetic core cylinder 1.
In order to more clearly illustrate connection relationship between each coil windings and each electrode and each coil windings around
To Fig. 2 shows a kind of simplified structure diagrams of common mode network filter provided by the utility model embodiment, can by figure
See, one end of first coil winding 21 is electrically connected with first electrode 111, and 21 forward direction of first coil winding is set around the first magnetic core column
Body 1, the one end of first coil winding 21 far from first electrode 111 are electrically connected with the 9th electrode 124.The one of tertiary coil winding 23
End is electrically connected with the 4th electrode 114, and 23 forward direction of tertiary coil winding is set around the first magnetic core cylinder 1, and tertiary coil winding 23 is remote
One end from the 4th electrode 114 is electrically connected to the 6th electrode 121.
Further, please continue to refer to Fig. 2, one end of second coil winding 22 is electrically connected with second electrode 112, the second line
Circle winding 22 is reversely set around the first magnetic core cylinder 1, the one end of second coil winding 22 far from second electrode 112 and the 9th electrode
124 electrical connections.One end of 4th coil windings 24 is electrically connected with the 5th electrode 115, and the 4th coil windings 24 are reversely set around the
One magnetic core cylinder 1, the 4th coil windings 24 are electrically connected far from one end of the 5th electrode 115 with the 7th winding 122.
Optionally, common mode network filter provided in this embodiment further includes choking-winding, as shown in figure 3, the choke line
Circle 4 includes the second magnetic core column 41, the 5th coil windings 42 and the 6th coil windings 43.Wherein, one end of the second magnetic core cylinder is set
It is equipped with the first chokes electrode 411 and the second chokes electrode 412, the other end of the second magnetic core cylinder 1 is provided with third chokes electrode
413 and the 4th chokes electrode 414.Further, one end of the 5th coil windings 42 is electrically connected with the first chokes electrode 411, the
Five coil windings 42 are set around the second magnetic core cylinder 41, the one end of the 5th coil windings 42 far from the first chokes electrode 411 and the
The electrical connection of three chokes electrodes 413, one end of the 6th coil windings 43 are electrically connected with the second chokes electrode 412, the 6th coil windings
43 are set around the second magnetic core cylinder 41, the one end of the 6th coil windings 43 far from the second chokes electrode 412 and the 4th chokes electrode
414 electrical connections.
Fig. 2 and Fig. 3 are please referred to, the 7th electrode 122 is electrically connected with the first chokes electrode 411, the 6th electrode 121 and
The electrical connection of two chokes electrodes 412.
On this basis, the utility model embodiment additionally provides a kind of common mode network filtering system 200, the common mode filtering
Network system 200 includes common mode network filter, choking-winding and reception device 5.Wherein, third chokes electrode 413 and the 4th
Chokes electrode 414 is electrically connected with reception device 5.
Please continue to refer to Fig. 4, in the present embodiment, first electrode 111 and second electrode 112 can be used as input terminal, letter
It number is flowed into from first electrode 111 and second electrode 112, flows into printed circuit board 3, warp through the tenth electrode 125 and the 9th electrode 124
Printed circuit board 3 flows into the 4th electrode 114 and the 5th electrode 115, flows into first through the 7th electrode 122 and the 6th electrode 121 and grips
Galvanic electricity pole 411 and the second chokes electrode 412 flow into reception device 5 through third chokes electrode 413 and the 4th chokes electrode 414, can
To understand, received reception device 5 is the signal that have passed through filtering.
To sum up, common mode network filter and system provided by the utility model embodiment are guaranteeing the same of filter effect
When can reduce the complexity of coiling, and then reduce fabrication cycle, reduce cost of manufacture.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of common mode network filter, which is characterized in that including the first magnetic core cylinder, first coil winding, the second coil around
Group, tertiary coil winding, the 4th coil windings and printed circuit board；
One end of the first magnetic core cylinder is provided with first electrode, second electrode, third electrode, the 4th electrode and the 5th electricity
Pole, the other end of the first magnetic core cylinder are provided with the 6th electrode, the 7th electrode, the 8th electrode, the 9th electrode and the tenth electricity
Pole；
The both ends of the first coil winding winding and are electrically connected to the first electrode and the 9th electrode respectively；Second line
The both ends for enclosing winding winding and are electrically connected to the tenth electrode and the second electrode respectively；The two of the tertiary coil winding
It holds winding respectively and is electrically connected to the 4th electrode and the 6th electrode；Distinguish winding in the both ends of 4th coil windings
And it is electrically connected to the 7th electrode and the 5th electrode；
The printed circuit board is electrically connected with the third electrode and the 8th electrode, the printed circuit board conducting ground connection；
Tenth electrode and the 9th electrode are connected on the printed circuit board forms the first common mode filtering component, described
4th electrode and the 5th electrode are connected on the printed circuit board forms the second common mode filtering component.
2. common mode network filter according to claim 1, which is characterized in that the common mode network filter further includes gripping
Streamline circle；Wherein, the choking-winding includes the second magnetic core cylinder, the 5th coil windings and the 6th coil windings；
One end of the second magnetic core cylinder is provided with the first chokes electrode and the second chokes electrode, the second magnetic core cylinder
The other end is provided with third chokes electrode and the 4th chokes electrode；
The both ends of 5th coil windings respectively winding and be electrically connected to the first chokes electrode and the third chokes electricity
Pole；
The both ends of 6th coil windings respectively winding and be electrically connected to the second chokes electrode and the 4th chokes electricity
Pole.
3. common mode network filter according to claim 2, which is characterized in that the 7th electrode and first chokes
Electrode electrical connection, the 6th electrode are electrically connected with the second chokes electrode.
4. common mode network filter according to claim 1, which is characterized in that one end of the first coil winding and institute
First electrode electrical connection is stated, the first coil forward direction is set around the first magnetic core cylinder, and the first coil winding is separate
One end of the first electrode is electrically connected with the 9th electrode；
One end of the tertiary coil winding is electrically connected with the 4th electrode, and the tertiary coil winding forward direction is set around described
First magnetic core cylinder, the tertiary coil winding are electrically connected far from one end of the 4th electrode with the 6th electrode.
5. common mode network filter according to claim 1, which is characterized in that one end of the second coil winding and the
The electrical connection of two electrodes, the second coil winding are reversely set around the first magnetic core cylinder, the second coil winding it is remote
One end from the second electrode is electrically connected with the tenth electrode；
One end of 4th coil windings is electrically connected with the 5th electrode, and the 4th coil windings are reversely set around described
First magnetic core cylinder, the 4th coil windings are electrically connected far from one end of the 5th electrode with the 7th electrode.
6. common mode network filter according to claim 1, which is characterized in that the first coil winding, described second
Coil windings, the tertiary coil winding and the 4th coil windings successively coat on the first magnetic core cylinder.
7. common mode network filter according to claim 2, which is characterized in that one end of the 5th coil windings and institute
The electrical connection of the first chokes electrode is stated, the 5th coil windings are set around the second magnetic core cylinder, and the 5th coil is separate
One end of the first chokes electrode is electrically connected with the third chokes electrode.
8. common mode network filter according to claim 2, which is characterized in that one end of the 6th coil windings and institute
The electrical connection of the second chokes electrode is stated, the 6th coil windings are set around the second magnetic core cylinder, and the 6th coil is separate
One end of the second chokes electrode is electrically connected with the 4th chokes electrode.
9. common mode network filter according to claim 1, which is characterized in that the first electrode and the tenth electrode
The relatively described first magnetic core cylinder is symmetrical parallel；The second electrode the first magnetic core cylinder pair opposite with the 9th electrode
Claim parallel；The third electrode the first magnetic core cylinder opposite with the 8th electrode is symmetrical parallel；4th electrode with
The relatively described first magnetic core cylinder of 7th electrode is symmetrical parallel；5th electrode opposite with the 6th electrode described
One magnetic core cylinder is symmetrical parallel.
10. a kind of common mode network filtering system, which is characterized in that including：
The described in any item common mode network filters of the claims 1-9；
Reception device；
The common mode network filter is electrically connected with the reception device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820640108.0U CN208111259U (en) | 2018-04-28 | 2018-04-28 | Common mode network filter and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820640108.0U CN208111259U (en) | 2018-04-28 | 2018-04-28 | Common mode network filter and system |
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| Publication Number | Publication Date |
|---|---|
| CN208111259U true CN208111259U (en) | 2018-11-16 |
Family
ID=64114473
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820640108.0U Active CN208111259U (en) | 2018-04-28 | 2018-04-28 | Common mode network filter and system |
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| CN (1) | CN208111259U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108417359A (en) * | 2018-04-28 | 2018-08-17 | 陈保华 | Common mode network filter and system |
| WO2020199148A1 (en) * | 2019-04-03 | 2020-10-08 | 杭州涂鸦信息技术有限公司 | Network port filter and network device |
-
2018
- 2018-04-28 CN CN201820640108.0U patent/CN208111259U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108417359A (en) * | 2018-04-28 | 2018-08-17 | 陈保华 | Common mode network filter and system |
| CN108417359B (en) * | 2018-04-28 | 2024-01-09 | 东莞顺为半导体有限公司 | Common mode network filter and system |
| WO2020199148A1 (en) * | 2019-04-03 | 2020-10-08 | 杭州涂鸦信息技术有限公司 | Network port filter and network device |
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Effective date of registration: 20210722 Address after: 523000 Room 201, building 1, No. 151, Jiaoxiang Road, Dongkeng Town, Dongguan City, Guangdong Province Patentee after: Dongguan Shunwei Semiconductor Co.,Ltd. Address before: 432000 No. 1-13 Zhenxing Avenue, tianerhe Town, Hanchuan City, Xiaogan City, Hubei Province Patentee before: Chen Baohua |