CN201594435U - Improved structure of inductor - Google Patents
Improved structure of inductor Download PDFInfo
- Publication number
- CN201594435U CN201594435U CN2009202701528U CN200920270152U CN201594435U CN 201594435 U CN201594435 U CN 201594435U CN 2009202701528 U CN2009202701528 U CN 2009202701528U CN 200920270152 U CN200920270152 U CN 200920270152U CN 201594435 U CN201594435 U CN 201594435U
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- magnetic core
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- inductor
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Abstract
The utility model relates to an improved structure of an inductor, which comprises a shell, an inner magnetic core contained inside the shell, and a coil that is wound on the outer surface of the inner magnetic core and contained inside the shell, wherein the shell comprises two side walls which are separated from each other; two ends of the inner magnetic core respectively face to the two sides walls of the shell, and a gap is used for separating the two side walls; the inner magnetic core is provided with a rabbet part, so that the inductor can be conveniently adjusted to be the needed saturation characteristic; and the two terminals of the coil extend out of the shell. Therefore, the inductor has higher inductance value when in low load so as to generate higher ripple inhibiting force, and ensures the consumption of a power supply module to be lower.
Description
Technical field
The utility model provides a kind of electronic component, refers to a kind of inductor improved structure especially.
Background technology
Inductor is widely used on networking, telecommunications, computer, AC power and the peripheral equipment in order to filtering, inhibition noise and anti-electromagnetic interference (EMI).Inductor commonly used generally comprises and is wound into spiral helicine wire coil, coil surface is coated with dielectric film and forms insulated coil (for example enamelled wire), the interior core (core) that is made of for example iron powder or Ferrite Material is taken in the hollow inside of this coil, this coil is accommodated in as in the shell that shields cover body with being somebody's turn to do interior core, and this shell is generally also made by Ferrite Material.Usually have air gap in order to adjust the sense value between this shell and this interior core.
Though inductor commonly used has had the part effect in the use.Yet, the electric current that provides when power supply circuits hour, Chang Wufa provides higher sense value to produce bigger ripple restraint, causes the loss height of power supply module, inefficiency.Moreover when high electric current, the ferrite core of small air gap still may take place saturated and overheated phenomenon takes place.
In view of this utility model people satisfies concentrated in addition research and design, has the utility model to produce up to the present.
Summary of the invention
The utility model purpose is, a kind of inductor improved structure is provided, to overcome the defective of above-mentioned traditional structure.This inductor is beneficial to the shape of control saturation current curve, and volume production yield height, in addition, when low load higher sense value can be arranged, and can produce bigger ripple restraint, and then the loss of module capable of reducing power source and increasing work efficiency.
According to this above-mentioned purpose, a kind of inductor improved structure of the utility model is characterized in that, comprises:
One hollow shell, an accommodation space is defined in its inside, and this shell includes two sidewalls of separating on a length direction;
One inner magnetic core, it has one first end and one second end of separating on this length direction, this inner magnetic core is housed in the accommodation space of this shell, and first end of this inner magnetic core and second end are relative and separate a gap with two sidewalls of this shell respectively, have more a notch on this inner magnetic core; And
One coil, it is along this length direction around the outer surface of this inner magnetic core and be housed in the accommodation space of this shell, and this coil has one first line end and one second line end, and first line end and second line end of this coil extend this shell.
Wherein, this inner magnetic core is the square column that ferrite magnetic material is made, and this inner magnetic core has more the two side faces of separating on a Width vertical with this length direction, and this notch comprises at least one groove on the side that is positioned at this inner magnetic core.
Wherein, this inner magnetic core has more the top and bottom of separating on the short transverse vertical with this length direction and this Width, this notch includes at least one groove that is positioned at place in the middle of this inner magnetic core side, and this groove extends and is through to this inner magnetic core bottom by the top of this inner magnetic core along this short transverse.
Wherein, this notch comprises relative two grooves that are positioned at place in the middle of this inner magnetic core two side faces, and this two groove extends and is through to this inner magnetic core bottom by the top of this inner magnetic core along this short transverse.
Wherein, this inner magnetic core has more the top and bottom of separating on the short transverse vertical with this length direction and this Width, this notch includes relative two grooves that are positioned at the middle place of this inner magnetic core two side faces, and each groove is along this short transverse extension and do not connect this inner magnetic core top and this inner magnetic core bottom.
Wherein, this inner magnetic core has more the top and bottom of separating on the short transverse vertical with this length direction and this Width, and this notch comprises an annular groove, and this annular groove is around the two side faces of this inner magnetic core and the middle place of this inner magnetic core top and this inner magnetic core bottom.
Wherein, this shell is the hollow cube that ferrite magnetic material is made, and this shell has more the upper end and the lower end of separating on this short transverse, and the upper end of this shell forms an opening; The upper end open that first line end of this coil and second line end extend this shell.
Wherein, this inner magnetic core is the cylinder that ferrite magnetic material is made; This notch comprises an annular groove at the middle place around this inner magnetic core outside.
Wherein, this shell is the hollow cube that ferrite magnetic material is made, and this shell has more the upper end and the lower end of separating on this short transverse, and the upper end of this shell forms an opening; The upper end open that first line end of this coil and second line end extend this shell.
By said structure, the utility model inductor improved structure is beneficial to the shape of control saturation current curve, and volume production yield height, in addition, when low load, higher sense value can be arranged, can produce bigger ripple restraint, and then the loss of module capable of reducing power source and increasing work efficiency.
About other purposes of the present utility model, advantage and feature, can graphicly understand by the detailed description of following preferred embodiment and with reference to appended.
Description of drawings
Fig. 1 is the stereogram according to the inductor of the utility model first embodiment formation.
Fig. 2 is the element exploded view of Fig. 1.
Fig. 3 is a transverse sectional view of the inductor of Fig. 1.
Fig. 4 is the cutaway view of being got along the 4-4 line of Fig. 1.
Fig. 5 is the element exploded view of the inductor of the utility model second embodiment.
Fig. 6 is the element exploded view of the inductor of the utility model the 3rd embodiment.
Fig. 7 is the element exploded view of the inductor of the utility model the 4th embodiment.
Fig. 8 is the element exploded view of the inductor of the utility model the 5th embodiment.
Embodiment
The utility model can be implemented with multiple different form.Now will only be example but non-in order to the embodiment of restriction and with reference to appended graphic as follows with regard to the utility model preferred construction description of contents:
See also Fig. 1 to Fig. 4, show the inductor 10 that constitutes according to the utility model first embodiment, this inductor 10 for example can be installed on networking, telecommunications, computer or the AC power in order to filtering, suppress noise and anti-electromagnetic interference; In the present embodiment, this inductor 10 comprises an inner magnetic core 12, a coil 14 and a hollow shell 16.
In the present embodiment, the square column that this inner magnetic core 12 is made by for example ferrite magnetic material, it has first end 18 and second end of separating 20 on a length direction, this inner magnetic core 12 also has the top 21 and bottom 22 of separating on the short transverse vertical with this length direction.This inner magnetic core 12 has more the two side faces of separating 23 on the Width vertical with this length direction and this short transverse.Moreover this inner magnetic core 12 has a notch 24, and in the present embodiment, this notch 24 comprises relative two grooves at place in the middle of the two side faces 23 of inner magnetic core 12, position, and each groove is through to bottom 22 along this short transverse extension and by top 21.Moreover first end 18 and 20 at second end of this inner magnetic core 12 do not have an end face 25.
This coil 14 is coated with the spiral coil of dielectric film for the surface, its length direction along this inner magnetic core 12 is wound on the outer surface of this inner magnetic core 12, in particular, this coil 14 centers on the outside of this inner magnetic core 12 along the length direction of this inner magnetic core 12 and roughly rectangular shape ground.This coil 14 has one first line end 26 and one second line end 27.In the present embodiment, this coil 14 on the outer surface of this inner magnetic core 12, reel one the circle, but also can reel one the circle more than.
The shield cover body that this shell 16 is made by for example ferrite magnetic material, an accommodation space 28 is defined in its inside, in the present embodiment, this shell 16 is a hollow cube and is included in two sidewalls of separating on this length direction 29 and the antetheca of separating 31 and rear wall 33 on this Width, this shell 16 has more the upper end 30 and the lower end 32 of separating on this short transverse, in the present embodiment, the upper end 30 of this shell 16 forms an opening 36, the lower end 32 of this shell 16 has a diapire 38, this inner magnetic core 12 is inserted in this accommodation space 28 by this opening 36 with this coil 14 and is accommodated, first line end 26 and second line end 27 of this coil 14 extend shell 16 by the upper end open 36 of shell 16 respectively, so that be connected with power circuit; The outer surface of this coil 14 can be by sticker and corresponding two end walls, 31 gluings location, to keep the stability of inductance.Moreover, after inner magnetic core 12 and coil 14 are inserted in the shell 16, can inject dielectric encapsulating material (for example epoxy resin) and in accommodation space 28, inner magnetic core 12 and coil 14 be located.
Consult Fig. 5 to Fig. 8, show a plurality of alternate embodiment of the utility model inductor 10, in these embodiments, about with the identical or equal member of the first embodiment expositor, will enclose same label, and omit its thin bilge construction explanation.Show that in Fig. 5 this notch 24 comprises relative two grooves of locating in the middle of the two side faces 23 that is positioned at inner magnetic core 12, each groove extends along this short transverse but does not penetrate into top 21 and bottom 22.Show that in Fig. 6 this notch 24 comprises an annular groove, this annular groove is located with the middle of bottom 22 around the two side faces 23 and the top 21 of this inner magnetic core 12.Show that in Fig. 7 this notch 24 comprises a groove at place in the middle of a side 23 of inner magnetic core 12, position, this groove is through to bottom 22 along this short transverse extension and by top 21.Show the cylinder that this inner magnetic core 12 is made for ferrite magnetic material in Fig. 8, this coil 14 roughly is the outside that centers on this inner magnetic core 12 cylindricly, and this notch 24 comprises around an annular groove at the middle place, outside of this inner magnetic core 12.
In aforementioned specification, the utility model only is to do description with regard to some specific embodiments, and still multiple variation or modification can be arranged according to feature of the present utility model.For being familiar with obvious replacement and the modification that this skill personage can do, will be incorporated within the claim that the utility model advocates.
Claims (9)
1. an inductor improved structure is characterized in that, comprises:
One hollow shell, an accommodation space is defined in its inside, and this shell includes two sidewalls of separating on a length direction;
One inner magnetic core, it has one first end and one second end of separating on this length direction, this inner magnetic core is housed in the accommodation space of this shell, and first end of this inner magnetic core and second end are relative and separate a gap with two sidewalls of this shell respectively, have more a notch on this inner magnetic core; And
One coil, it is along this length direction around the outer surface of this inner magnetic core and be housed in the accommodation space of this shell, and this coil has one first line end and one second line end, and first line end and second line end of this coil extend this shell.
2. inductor improved structure as claimed in claim 1, it is characterized in that, this inner magnetic core is the square column that ferrite magnetic material is made, this inner magnetic core has more the two side faces of separating on a Width vertical with this length direction, this notch comprises at least one groove on the side that is positioned at this inner magnetic core.
3. inductor improved structure as claimed in claim 2, it is characterized in that, this inner magnetic core has more the top and bottom of separating on the short transverse vertical with this length direction and this Width, this notch includes at least one groove that is positioned at place in the middle of this inner magnetic core side, and this groove extends and is through to this inner magnetic core bottom by the top of this inner magnetic core along this short transverse.
4. inductor improved structure as claimed in claim 3 is characterized in that, this notch comprises relative two grooves that are positioned at place in the middle of this inner magnetic core two side faces, and this two groove extends and is through to this inner magnetic core bottom by the top of this inner magnetic core along this short transverse.
5. inductor improved structure as claimed in claim 2, it is characterized in that, this inner magnetic core has more the top and bottom of separating on the short transverse vertical with this length direction and this Width, this notch includes relative two grooves that are positioned at the middle place of this inner magnetic core two side faces, and each groove is along this short transverse extension and do not connect this inner magnetic core top and this inner magnetic core bottom.
6. inductor improved structure as claimed in claim 2, it is characterized in that, this inner magnetic core has more the top and bottom of separating on the short transverse vertical with this length direction and this Width, this notch comprises an annular groove, and this annular groove is around the two side faces of this inner magnetic core and the middle place of this inner magnetic core top and this inner magnetic core bottom.
7. inductor improved structure as claimed in claim 6 is characterized in that, this shell is the hollow cube that ferrite magnetic material is made, and this shell has more the upper end and the lower end of separating on this short transverse, and the upper end of this shell forms an opening; The upper end open that first line end of this coil and second line end extend this shell.
8. inductor improved structure as claimed in claim 1 is characterized in that, this inner magnetic core is the cylinder that ferrite magnetic material is made; This notch comprises an annular groove at the middle place around this inner magnetic core outside.
9. inductor improved structure as claimed in claim 8 is characterized in that, this shell is the hollow cube that ferrite magnetic material is made, and this shell has more the upper end and the lower end of separating on this short transverse, and the upper end of this shell forms an opening; The upper end open that first line end of this coil and second line end extend this shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202701528U CN201594435U (en) | 2009-11-24 | 2009-11-24 | Improved structure of inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202701528U CN201594435U (en) | 2009-11-24 | 2009-11-24 | Improved structure of inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201594435U true CN201594435U (en) | 2010-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202701528U Expired - Fee Related CN201594435U (en) | 2009-11-24 | 2009-11-24 | Improved structure of inductor |
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| CN (1) | CN201594435U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103165279A (en) * | 2011-12-19 | 2013-06-19 | 黄浩洲 | Manufacturing method of aluminum or aluminium alloy forming surface adhesion-type inductor and structure thereof |
| CN107275051A (en) * | 2017-07-17 | 2017-10-20 | 深圳振华富电子有限公司 | SMD inductor and its manufacture method |
| CN107316736A (en) * | 2017-08-03 | 2017-11-03 | 深圳振华富电子有限公司 | SMD power inductor and its manufacture method |
| CN107516572A (en) * | 2017-09-30 | 2017-12-26 | 深圳振华富电子有限公司 | SMD power inductor and its manufacture method |
-
2009
- 2009-11-24 CN CN2009202701528U patent/CN201594435U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103165279A (en) * | 2011-12-19 | 2013-06-19 | 黄浩洲 | Manufacturing method of aluminum or aluminium alloy forming surface adhesion-type inductor and structure thereof |
| CN107275051A (en) * | 2017-07-17 | 2017-10-20 | 深圳振华富电子有限公司 | SMD inductor and its manufacture method |
| CN107316736A (en) * | 2017-08-03 | 2017-11-03 | 深圳振华富电子有限公司 | SMD power inductor and its manufacture method |
| CN107516572A (en) * | 2017-09-30 | 2017-12-26 | 深圳振华富电子有限公司 | SMD power inductor and its manufacture method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20131124 |