CN207183014U - Anti- low frequency EMI inductance - Google Patents
Anti- low frequency EMI inductance Download PDFInfo
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- CN207183014U CN207183014U CN201721083387.7U CN201721083387U CN207183014U CN 207183014 U CN207183014 U CN 207183014U CN 201721083387 U CN201721083387 U CN 201721083387U CN 207183014 U CN207183014 U CN 207183014U
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- support plate
- flange
- wrapping post
- termination electrode
- coil
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Abstract
The utility model provides a kind of anti-low frequency EMI inductance, it includes core body, core body is MnZn ferrite material, core body is provided with the first wrapping post and the second wrapping post, the extension of the same side of first wrapping post and the second wrapping post is provided with first flange, and first the same opposite side extension of wrapping post and the second wrapping post be provided with second flange, first flange is provided with the first support plate, first support plate is provided with the first termination electrode and the second termination electrode, second flange is provided with the second support plate, second support plate is provided with three-end electrode and the 4th termination electrode, and first flange and second flange are respectively rectangular-shaped；First coil, it is set around on the first wrapping post, and first coil both ends are electrically connected with located at the first termination electrode and three-end electrode respectively；Second coil, it is set around on the second wrapping post, and the second coil both ends are electrically connected with located at the second termination electrode and the 4th termination electrode respectively.The utility model can be made to reduce the volume of inductor.
Description
Technical field
A kind of inductor is the utility model is related to, espespecially a kind of anti-low frequency EMI inductance.
Background technology
Common inductor (inductor), chokes (choke), winding (winding), the filtering of low-and high-frequency signal can be used as
(filter) or transformer efficiency is changed etc..Therefore, there are a kind of ring-shaped inductors (Ring inductance), refer to Fig. 1
It is shown, wherein comprising a toroidal core 10, a winding at least winding 11 (winding) on the toroidal core 10, show to form electricity
Sensor.
In this technical scheme, ring-shaped inductors generally have the shortcomings that volume is larger, and are relatively difficult to rely on adhesive surface skill
Art (Surface-mount technology, SMT) is carried out at the installing in circuit substrate.Though can be such as TaiWan, China patent
One kind " filter inductor " of No. 482320 announcements, in its No. 482320 cases shown in the 2nd figure, the filter inductor is further set
There is a bogey, so that adhesive surface (SMD) is installed in circuit substrate, but bogey is set, volume is as bigger,
The demand of the more difficult volume-diminished for meeting Modern Electronic product of system.
It is event, how is improved for missing discussed above, as applicant in this case's technology to be solved is stranded
Where difficult point.
Utility model content
In view of existing missing, therefore the purpose of this utility model is to develop a kind of anti-low frequency EMI inductance.
In order to reach the above object, the utility model provides a kind of anti-low frequency EMI inductance, it is characterized in that comprising：
One core body, the core body are MnZn ferrite material, and the core body is provided with one first wrapping post and one
The same side extension of second wrapping post, first wrapping post and the second wrapping post is provided with a first flange, and first wrapping post
Same opposite side extension with the second wrapping post is provided with a second flange, and the first flange is provided with one first support plate, first load
Plate is provided with one first termination electrode and one second termination electrode, and the second flange is provided with one second support plate, set on second support plate
There are a three-end electrode and one the 4th termination electrode, and the first flange and second flange are respectively rectangular-shaped；
One first coil, be set around on first wrapping post, and the first coil both ends be electrically connected with respectively located at this first
Termination electrode and three-end electrode；
One second coil, be set around on second wrapping post, and the second coil both ends be electrically connected with respectively located at this second
Termination electrode and the 4th termination electrode.
Wherein the periphery of one side is provided with plural first block holding part in the first flange, and first support plate engaging is multiple located at this
Between several first block holding parts, wherein the periphery of one side is provided with plural second block holding part, the second support plate card in the second flange
Close and be located between the block holding part of plural number second, and it is accommodating that one first is sequentially respectively equipped with first termination electrode to the 4th termination electrode
Groove, one second storage tank, one the 3rd storage tank and one the 4th storage tank, it is first accommodating that the first coil both ends are located in this respectively
In groove and the 3rd storage tank, and the second coil both ends are located in second storage tank and the 4th storage tank respectively.
First support plate is provided with plural first butting section, and the butting section of plural number first is located at first termination electrode and second
Around termination electrode, second support plate is provided with plural second butting section, and the butting section of plural number second is located at the three-end electrode
And the 4th around termination electrode.
First support plate and the second support plate are made up of printed circuit board (PCB).
The utility model can be made to reach the volume for reducing inductor, therefore may conform to the volume-diminished of Modern Electronic product
The demand of change, it can more be beneficial to adhesive surface (SMD) in circuit substrate, be reached effect.
Brief description of the drawings
Fig. 1 is the structural representation of existing ring-shaped inductors.
Fig. 2 is the dimensional decomposition structure diagram of the anti-low frequency EMI of the utility model preferred embodiment inductance.
Fig. 3 is Fig. 2 of the utility model preferred embodiment three-dimensional schematic diagram.
Fig. 4 is the schematic diagram beneficial to adhesive surface (SMD) of the utility model preferred embodiment.
The toroidal core of description of reference numerals (existing) 10；11 windings；(the utility model) 2 core body；21 first coilings
Post；22 second wrapping posts；23 first flanges；231 first block holding parts；24 second flanges；241 second block holding parts；25 first support plates；
26 second support plates；31 first termination electrodes；32 second termination electrodes；33 three-end electrodes；34 the 4th termination electrodes；35 first storage tanks；
36 second storage tanks；37 the 3rd storage tanks；38 the 4th storage tanks；6 first butting sections；7 second butting sections；4 first coils；41
End；42 ends；5 second coils；51 ends；52 ends；100-SMD；200 circuit substrates.
Embodiment
In order that your juror can have a clear understanding of content of the present utility model, it is with the following example collocation schema and symbol
Number it is illustrated, please refers to.
Refer to shown in Fig. 2 and Fig. 3, the utility model provides a kind of anti-low frequency EMI inductance, and it is included：One magnetic core sheet
Body 2, a first coil 4 and one second coil 5.
The core body 2 can be MnZn ferrite material, its magnetic conductivity and saturation induction (saturation
Induction) all will height compared with nickel-zinc ferrite.The core body 2 is provided with one first wrapping post 21 and one second wrapping post 22, should
The extension of the same side of first wrapping post 21 and the second wrapping post 22 is provided with a first flange 23, and first wrapping post 21 and second
The same opposite side extension of wrapping post 22 is provided with a second flange 24, and the first flange 23 is provided with one first support plate 25, and this first
Support plate 25 is provided with one first termination electrode 31 and one second termination electrode 32, and the second flange 24 is provided with one second support plate 26, should
Second support plate 26 is provided with a three-end electrode 33 and one the 4th termination electrode 34, and the first flange 23 and second flange 24 are distinguished
To be rectangular-shaped.In the present embodiment, the support plate 26 of the first support plate 25 and second is printed circuit board (PCB) (Printed circuit
Board, PCB) formed, and it is not limited system.Therefore the utility model not only volume-diminished (compared to background technology), and
The effect of anti-low frequency electromagnetic interference (EMI) can be produced.Such as (power end) by low frequency noise signal or direct current when, then can produce
The function of raw filtering, is that prior art will not be described here.
And the first coil 4 is set around on first wrapping post 21, and the both ends 41,42 of first coil 4 are electrical respectively
It is arranged in first termination electrode 31 and three-end electrode 33.Second coil 5 is set around on second wrapping post 22 again, and this
The both ends 51,52 of two coil 5 are electrically connected with located at the termination electrode 34 of second termination electrode 32 and the 4th respectively.
In the present embodiment, wherein the periphery of one side is provided with plural first block holding part 231 in the first flange 23, and this
The engaging of one support plate 25 is located between first block holding part of plural number 231, and wherein the periphery of one side is provided with again in the second flange 24
Several second block holding parts 241, second support plate 26 engaging is located between second block holding part of plural number 241, and first to fourth end
One first storage tank 35, one second storage tank 36, one the 3rd storage tank 37 and one are sequentially respectively equipped with electrode 31,32,33,34
4th storage tank 38, the both ends 41,42 of first coil 4 are located in the storage tank 37 of the first storage tank 35 and the 3rd respectively, and
The both ends 51,52 of second coil 5 are located in the storage tank 38 of the second storage tank 36 and the 4th respectively.Therefore, the first coil
4th, the effect of preferable bracing wire assembling is produced between the second coil 5 and core body 2, its is out of the ordinary for the coil 5 of first coil 4 and second
Drawing (around) line positioning at both ends 41,42,51,52 will more convenient (sticker can be used to bond), more conducively the utility model surface
(SMD) is adhered when in circuit substrate, can be connected with the electric pin in circuit substrate and more error free (be relied on first to fourth end
Electrode 31,32,33,34 is electrically connected in circuit substrate).
Please continue to refer to shown in Fig. 4, wherein, ring-shaped inductors are designed squarely, or square type by the utility model.It can be with
Core body 20 is put in a circuit substrate 200 by means of SMD100, to be electrically connected at first to fourth termination electrode 31,32,33,34
Connect.In the present embodiment, the demand (compared to background technology) of the volume-diminished of Modern Electronic product is may conform to, more can profit
Pick up and be put in circuit substrate 200 in the SMD100 of adhesive surface, actually the characteristics of the utility model.
Referring again to shown in Fig. 2, wherein first support plate 25 is provided with plural first butting section 6, the plural number first against
The distribution of portion 6 is positioned against around the termination electrode 32 of the first termination electrode 31 and second.Second support plate 26 is provided with multiple again
Several second butting sections 7, second butting section of plural number 7 distribution are positioned against located at the termination electrode 34 of three-end electrode 33 and the 4th
Around.The utility model can be made to reach structural strengthening.
It is described above to be merely exemplary for the utility model, and nonrestrictive, those of ordinary skill in the art
Understand, in the case where not departing from the spirit and scope that claim is limited, can many modifications may be made, change or it is equivalent, but
Fall within the scope of protection of the utility model.
Claims (4)
1. a kind of anti-low frequency EMI inductance, it is characterized in that comprising：
One core body, the core body are MnZn ferrite material, and the core body is provided with one first wrapping post and one second
The same side extension of wrapping post, first wrapping post and the second wrapping post is provided with a first flange, and first wrapping post and the
The same opposite side extension of two wrapping posts is provided with a second flange, and the first flange is provided with one first support plate, on first support plate
Provided with one first termination electrode and one second termination electrode, the second flange is provided with one second support plate, and second support plate is provided with one
Three-end electrode and one the 4th termination electrode, and the first flange and second flange are respectively rectangular-shaped；
One first coil, it is set around on first wrapping post, and the first coil both ends are electrically connected with located at first end electricity respectively
Pole and three-end electrode；
One second coil, it is set around on second wrapping post, and the second coil both ends are electrically connected with located at second end electricity respectively
Pole and the 4th termination electrode.
2. anti-low frequency EMI according to claim 1 inductance, it is characterised in that：Wherein one side in the first flange
Periphery is provided with plural first block holding part, and first support plate engaging is located between the block holding part of plural number first, in the second flange its
The periphery of middle one side is provided with plural second block holding part, and second support plate engaging is located between the block holding part of plural number second, again should
Sequentially be respectively equipped with first termination electrode to the 4th termination electrode one first storage tank, one second storage tank, one the 3rd storage tank and
One the 4th storage tank, the first coil both ends are located in first storage tank and the 3rd storage tank respectively, and second coil
Both ends are located in second storage tank and the 4th storage tank respectively.
3. anti-low frequency EMI according to claim 2 inductance, it is characterised in that：First support plate is provided with plural number first
Butting section, around first termination electrode and the second termination electrode, second support plate is provided with multiple for the butting section of plural number first
Several second butting sections, the butting section of plural number second is around the three-end electrode and the 4th termination electrode.
4. anti-low frequency EMI according to claim 3 inductance, it is characterised in that：First support plate and the second support plate are print
Printed circuit board is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721083387.7U CN207183014U (en) | 2017-08-28 | 2017-08-28 | Anti- low frequency EMI inductance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721083387.7U CN207183014U (en) | 2017-08-28 | 2017-08-28 | Anti- low frequency EMI inductance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207183014U true CN207183014U (en) | 2018-04-03 |
Family
ID=61739074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721083387.7U Active CN207183014U (en) | 2017-08-28 | 2017-08-28 | Anti- low frequency EMI inductance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207183014U (en) |
-
2017
- 2017-08-28 CN CN201721083387.7U patent/CN207183014U/en active Active
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