CN1877758A - Inductor and base therefor - Google Patents
Inductor and base therefor Download PDFInfo
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- CN1877758A CN1877758A CN 200510077817 CN200510077817A CN1877758A CN 1877758 A CN1877758 A CN 1877758A CN 200510077817 CN200510077817 CN 200510077817 CN 200510077817 A CN200510077817 A CN 200510077817A CN 1877758 A CN1877758 A CN 1877758A
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- inductor
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- iron core
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Abstract
The invention discloses an inductor, which consists of chassis and cap-shaped iron core, wherein the chassis contains several first mosaic parts and second mosaic parts with gap setting for each first and second mosaic part; the shape of the first and second mosaic parts is different; the cap-shaped iron core possesses at least two lateral walls with two walls connecting mutually; the boss is set at each connecting part; the notch is set on each lateral wall, which makes the first mosaic part of chassis insert each notch of cap-shaped iron core and second mosaic part of chassis insert each boss of cap-shaped iron core.
Description
Technical field
The present invention relates to a kind of inductor and base thereof, particularly relate to inductor and base thereof that a kind of base and shape for hat iron core have good combination.
Background technology
Generally speaking, inductor is because the line end of its coil is the stitch shape, so can't directly (surface mounting device SMD), and must just can become a surface adhesion components by a switching with base of a plurality of flat strip leg as a surface adhesion components.Please refer to Figure 1 and Figure 2, Fig. 1 is the three-dimensional exploded view of existing inductor, and Fig. 2 is the schematic diagram of existing inductor base.A kind of existing inductor 1 comprises an iron core 11, a coil 12, a base 13 substantially, and a shape for hat iron core 14.Coil 12 is wound on the iron core 11, and base 13 generally is octangle, has eight sides 131, and four side 131 is provided with four leg 132 therein, and can be wrapped on each leg 132 for the line end of coil 12.Base 13 is connected with an end of iron core 11, and shape for hat iron core 14 has four sidewalls, 141, four sidewalls for interconnecting in twos to form an accommodation space 142, and iron core 11 is to be located in the accommodation space 142 with coil 12.
Please be simultaneously with reference to Fig. 1 and Fig. 3 A and Fig. 3 B, Fig. 3 A is the end view of existing inductor, and Fig. 3 B is the schematic diagram of existing inductor.As shown in Figure 3A, on four sidewalls 141 of shape for hat iron core 14 breach 143 is arranged respectively, after iron core 11 and coil 12 place in the shape for hat iron core 14, again that base 13 and shape for hat iron core 14 is chimeric.Yet, because each side 131 of base 13 is to conflict mutually with the breach 143 of shape for hat iron core 14, so, base 13 just can't firmly mutually combine with shape for hat iron core 14, make iron core 11 and coil 12 parts expose, phenomenon with magnetic dispersion causes the electromagnetic interference (EMI) index of inductor 1 to increase.
Because can't matched well between base 13 and the shape for hat iron core 14, and tabling is in conjunction with the location mutually, make base 13 and the 14 relative slippages of shape for hat iron core easily, thus, iron core 11 also produces locational change (shown in the dotted line among Fig. 3 B) easily with coil 12 because of slippage in the accommodation space 142 of shape for hat iron core 14, thereby influence the inductance value of inductor 1 and the stability of electric current, cause the disqualification rate of inductor to improve.
Therefore, in the process of actual fabrication assembling, for asking inductor 1 can have excellent electric characteristics, certainly will must expend man-hour in the relative position of accurate positioning base 13 with shape for hat iron core 14, not only cause and make difficulty, also must expend considerable time and cost, need a kind of new inductor structure design really, to improve the production quality of inductor.
Summary of the invention
Therefore, for addressing the above problem, the present invention proposes a kind of inductor and base thereof, has the advantage of base and shape for hat iron core energy relative positioning, improves the production quality of inductor thus.
According to purpose of the present invention, a kind of base of inductor is proposed, with an iron core, a coil, and a shape for hat iron core cooperates and forms an inductor, and this base comprises: a plurality of first fitting portions, it is located at the base periphery; And a plurality of second fitting portions, it is located at the base periphery; Wherein each first fitting portion and each second fitting portion are provided with at interval, and first fitting portion and second fitting portion are different.
According to purpose of the present invention, a kind of inductor is proposed, comprising: an iron core; One coil, it is set around on the iron core; One base is connected with an end of iron core, and its periphery is provided with a plurality of first fitting portions and a plurality of second fitting portion, and each first fitting portion and each second fitting portion are provided with at interval, and first fitting portion and second fitting portion are different; An and shape for hat iron core, has an accommodation space, the periphery of accommodation space is provided with many breach and many boss, coil and iron core are arranged in the accommodation space of shape for hat iron core, make first fitting portion of base be embedded in respectively this breach of shape for hat iron core respectively, and second fitting portion is embedded in respectively in each boss of shape for hat iron core.
In sum, the base of inductor of the present invention and inductor because the design of base first fitting portion and second fitting portion, make that base and shape for hat iron core can mutual chimeric location, and can and avoid base and shape for hat iron core to relatively move easily, cause the bad shortcoming of inductor quality.In addition, design via inductor base of the present invention and inductor structure, more can reduce the inductor height dimension, and, the shape for hat iron core can fully cover at iron core and coil periphery, avoid outside iron core and coil be revealed in, just can reduce magnetic dispersion and improve electromagnetic wave shielding, thus, just can reduce the electromagnetic interference (EMI) index of inductor, air gap (GAP) is worth, and improves the comprehensive manufacturing process Capability index (CPK value) when making, the existing structure of comparing, it is convenient that the present invention has more operation, save man-hour, and the advantage that improves the production quality.
For above and other objects of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below:
Description of drawings
Fig. 1 is the three-dimensional exploded view of existing inductor;
Fig. 2 is the schematic diagram of existing inductor base;
Fig. 3 A is the end view of existing inductor;
Fig. 3 B is the schematic diagram of existing inductor;
Fig. 4 is the three-dimensional exploded view of inductor of the present invention;
Fig. 5 A is the schematic diagram of the base of inductor of the present invention;
Fig. 5 B is the schematic diagram of shape for hat iron core;
Fig. 6 is the schematic diagram after the inductor combination of the present invention; And
Fig. 7 is the end view of inductor of the present invention.
Embodiment
Hereinafter with reference to correlative type, inductor and base thereof according to preferred embodiment of the present invention are described.
Please consult Fig. 4 and Fig. 5 A simultaneously, Fig. 4 is the three-dimensional exploded view of inductor of the present invention, and Fig. 5 A is the schematic diagram of the base of inductor of the present invention.The inductor 5 of preferred embodiment of the present invention comprises an iron core 51, a coil 52, a shape for hat iron core 53 and a base 4.Iron core 51 is made by a drum type magnetic material, and coil 52 is wrapped on the iron core 51.Base 4 is connected with an end of iron core 51, and the leg 46 of base 4 bends towards iron core 51 directions, and can be wrapped on each leg 46 for the line end of coil 52.
Shown in Fig. 5 A, base 4 generally is an octagon, has the relative vertical side edge 42 of two relative horizontal sides 41, two, and the four oblique sides 43 (as shown in phantom in FIG.) that connect each horizontal side 41 and each vertical side edge 42.A plurality of first fitting portions 44 and a plurality of second fitting portions 45 are located at the periphery of base 4, and the shape of first fitting portion 44 and second fitting portion 45 is different.Be provided with first fitting portion 44 at each horizontal side 41 respectively with each vertical side edge 42 place, and be provided with second fitting portion 45 respectively, make win fitting portion 44 and second fitting portion 45 be arranged at intervals at the periphery of base 4 at each oblique side 43 place.Each first fitting portion 44 be shaped as rectangle, the shape of each second fitting portion 45 then is trapezoidal.In addition, have a leg 46 to pass respectively at each second fitting portion, 45 place, leg 46 is the line end connections for coil 52.Thus, can bring into play base 4 and have the function vector of accepting iron core 51 and coil 52, and can pass through leg 46, provide inductor 5 to insert outside PCB circuit.
Then, please consult Fig. 4 and Fig. 5 B simultaneously, Fig. 5 B is the schematic diagram of shape for hat iron core.Shape for hat iron core 53 is general common on the market standard type shape for hat iron core, and its shaped slightly squarely has four sidewalls 531, and four sidewalls 531 form an accommodation space 532 for interconnecting in twos, can be located in wherein for iron core 51 and coil 52.
531 connecting place is provided with a boss 534 in the two side, and is provided with a breach 533 in addition on each sidewall 531, for example is a rectangular recess.After iron core 51 and coil 52 are positioned in the accommodation space 532 of shape for hat iron core 53, just base 4 can be combined with shape for hat iron core 53.When base 4 was placed in the shape for hat iron core 53, first fitting portion 44 of base 4 can be embedded in respectively in each breach 533 of shape for hat iron core 53, and second fitting portion 45 of base 4 then can be embedded in respectively in each boss 534 of shape for hat iron core 53.
By the structure of first fitting portion 44 and second fitting portion 45, make that in the process of assembling inductor first fitting portion 44 and second fitting portion 45 can produce matched well with the shape for hat iron core, make base 4 and shape for hat iron core relative positioning easily.
Please consult Fig. 5 A, Fig. 5 B and Fig. 6 simultaneously, Fig. 6 is the schematic diagram after the inductor combination of the present invention.Among the process that the making of inductor 5 is assembled, each first fitting portion 44 with each breach 533 corresponding base 4 of shape for hat iron core 53, can be easily that the breach 533 and first fitting portion 44 is chimeric mutually, thus, for the combination operation, not only step is simple, easily operation, and can save man-hour, reduce manufacturing cost.Moreover, because each second fitting portion 45 of base 4 is positioned at each boss 534 formed recess, and be resisted against boss 534 formed recesses, make base 4 be difficult to move with respect to shape for hat iron core 53, thus, base 4 can reach reliable and stable effect with the combining structure of hat iron core 53, makes the inductance value of inductor and saturation current character constancy increase, and can improve comprehensive manufacturing process Capability index (CPK) value.
Please consult Fig. 4 and Fig. 7 simultaneously, Fig. 7 is the end view of inductor of the present invention.Because base 4 and shape for hat iron core 53 can reach the effect of matched well on chimeric, just can reduce iron core 51 and air gap (GAP) value of hat iron core 53 near base 4 one ends, compare and have inductor structure now, design of the present invention can make shape for hat iron core 53 fully cover at iron core 51 and coil 52 peripheries, make iron core 51 and coil 52 be unlikely to expose, just can reduce the problem of magnetic dispersion, relatively, electromagnetic wave shielding promptly increases, thereby reduces the electromagnetic interference (EMI) index of inductor 5.In addition,, make the height dimension of inductor 5 of the present invention diminish, but the stability of inductor 5 increases, have good industrial utilization really because first fitting portion 44 of base 4 is to embed in the breach 533 of shape for hat iron core 53.
In sum, the base of inductor of the present invention and inductor, because the particular design of first fitting portion of base and second fitting portion of dissimilar shape, make base and shape for hat iron core can mutual chimeric location good, and can and avoid base and shape for hat iron core to relatively move easily, cause the bad shortcoming of inductor quality, in addition, structural design via inductor of the present invention and base thereof, more can reduce the inductor height dimension, and, the shape for hat iron core can fully cover at iron core and coil periphery, avoids outside iron core and coil be revealed in, and just can avoid magnetic dispersion and improves electromagnetic wave shielding, thus, just can reduce the electromagnetic interference (EMI) index of inductor, air gap (GAP) value, and the comprehensive manufacturing process Capability index (CPK) that improves when making is worth the existing structure of comparing, it is convenient that the present invention has more operation, save man-hour, and the advantage that improves the production quality
Though disclosed the present invention in conjunction with an above preferred embodiment; yet it is not in order to limiting the present invention, anyly is familiar with this operator, without departing from the spirit and scope of the present invention; can be used for a variety of modifications and variations, so protection scope of the present invention should be with being as the criterion that claim was defined.
Claims (16)
1. an inductor base cooperates with a shape for hat iron core, and this base comprises:
A plurality of first fitting portions are located at this base periphery; And
A plurality of second fitting portions are located at this base periphery;
Wherein respectively this first fitting portion is provided with at interval with this second fitting portion respectively, and the shape of those first fitting portions and those second fitting portions is different.
2. inductor base as claimed in claim 1, wherein this shape for hat iron core has at least two sidewalls, those sidewalls are for interconnecting in twos, respectively be provided with a boss at connecting place, and on each sidewall, be provided with a breach in addition, make first fitting portion of this inductor base be embedded in respectively this breach of this shape for hat iron core respectively, and second fitting portion of this inductor base is embedded in respectively in respectively this boss of this shape for hat iron core.
3. inductor base as claimed in claim 2, wherein respectively the shape of this first fitting portion is with respect to the shape of this breach respectively.
4. inductor base as claimed in claim 2, wherein respectively this breach is a rectangular recess.
5. inductor base as claimed in claim 1, wherein this base generally is an octagon, and it has two relative horizontal sides, two relative vertical side edge and connects respectively this horizontal side and respectively four oblique sides of this vertical side edge.
6. inductor base as claimed in claim 5, wherein those first fitting portions are located at respectively this horizontal side and respectively this vertical side edge place respectively, and those second fitting portions are located at respectively this oblique side edge respectively.
7. inductor base as claimed in claim 1, wherein respectively this first fitting portion be shaped as rectangle, and this second fitting portion be shaped as trapezoidal.
8. inductor base as claimed in claim 1 also comprises a plurality of leg, and those leg are located at respectively this second fitting portion place respectively.
9. inductor comprises:
One base comprises a plurality of first fitting portions and a plurality of second fitting portion, and respectively this first fitting portion is provided with at interval with this second fitting portion respectively, and the shape of those first fitting portions and those second fitting portions is different; And
One shape for hat iron core, have at least two sidewalls, those sidewalls are for interconnecting in twos, respectively be provided with a boss at connecting place, and on each sidewall, be provided with a breach in addition, make first fitting portion of this base be embedded in respectively this breach of this shape for hat iron core respectively, and second fitting portion of this base is embedded in respectively in respectively this boss of this shape for hat iron core.
10. inductor as claimed in claim 9, also comprise an iron core and a coil, this coil is set around on this iron core, and wherein this shape for hat iron core has four sidewalls, those sidewalls are to interconnect in twos forming an accommodation space, and this iron core and this coil are located in this accommodation space.
11. inductor as claimed in claim 9, wherein this base generally is an octagon, and it has two relative horizontal sides, two relative vertical side edge and connects respectively this horizontal side and respectively four oblique sides of this vertical side edge.
12. inductor as claimed in claim 11, wherein those first fitting portions are located at respectively this horizontal side and respectively this vertical side edge place respectively, and those second fitting portions are located at respectively this oblique side edge respectively.
13. inductor as claimed in claim 9, wherein this base also comprises a plurality of leg, and those leg are located at respectively this second fitting portion place respectively, and can connect for the line end of this coil.
14. inductor as claimed in claim 9, wherein respectively the shape of this first fitting portion with respect to the shape of this breach respectively.
15. inductor as claimed in claim 9, wherein respectively this first fitting portion be shaped as rectangle, and this second fitting portion be shaped as trapezoidal.
16. inductor as claimed in claim 9, wherein respectively this breach is a rectangular recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510077817 CN1877758A (en) | 2005-06-09 | 2005-06-09 | Inductor and base therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510077817 CN1877758A (en) | 2005-06-09 | 2005-06-09 | Inductor and base therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1877758A true CN1877758A (en) | 2006-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510077817 Pending CN1877758A (en) | 2005-06-09 | 2005-06-09 | Inductor and base therefor |
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| Country | Link |
|---|---|
| CN (1) | CN1877758A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360764A (en) * | 2011-09-05 | 2012-02-22 | 南京新康达磁业有限公司 | Multi-functional ferrite core |
| CN103247414A (en) * | 2012-02-09 | 2013-08-14 | 三积瑞科技（苏州）有限公司 | Encapsulation type inductor |
| CN105679519A (en) * | 2016-03-17 | 2016-06-15 | 广东风华高新科技股份有限公司 | Shielded power inductor and assembling and molding method therefor |
| CN110462762A (en) * | 2017-04-04 | 2019-11-15 | 西门子股份公司 | Electric device with the cabinet complementally designed with active parts shape |
-
2005
- 2005-06-09 CN CN 200510077817 patent/CN1877758A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360764A (en) * | 2011-09-05 | 2012-02-22 | 南京新康达磁业有限公司 | Multi-functional ferrite core |
| CN103247414A (en) * | 2012-02-09 | 2013-08-14 | 三积瑞科技（苏州）有限公司 | Encapsulation type inductor |
| CN105679519A (en) * | 2016-03-17 | 2016-06-15 | 广东风华高新科技股份有限公司 | Shielded power inductor and assembling and molding method therefor |
| CN105679519B (en) * | 2016-03-17 | 2017-12-22 | 广东风华高新科技股份有限公司 | Protected type power inductor and its molding assembly method |
| CN110462762A (en) * | 2017-04-04 | 2019-11-15 | 西门子股份公司 | Electric device with the cabinet complementally designed with active parts shape |
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