CN207938440U - A kind of coil component - Google Patents
A kind of coil component Download PDFInfo
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- CN207938440U CN207938440U CN201820412338.1U CN201820412338U CN207938440U CN 207938440 U CN207938440 U CN 207938440U CN 201820412338 U CN201820412338 U CN 201820412338U CN 207938440 U CN207938440 U CN 207938440U
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- magnetic core
- coil
- coil component
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- 239000002184 metal Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000007731 hot pressing Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
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- 238000005452 bending Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of coil components, including coil, the first magnetic core and the second magnetic core, first magnetic core and the second magnetic core are mutually butted the accommodation space being formed with for accommodating coil, the bottom of second magnetic core is opened up there are two wire casing, one end of each wire casing is respectively connected with open slot, and two open slots are connected with two wire casings respectively；Coil includes the flat wire of coiling, and the both ends of flat wire are connected separately with flat lead, and two leads are bent through two open slots respectively, and extend at two wire casings and fix；The material that the coil component uses is few, only includes one or two kinds of magnetic core, and manufacturing process is simple, without expensive manufacturing equipment and mold, has the advantages that manufacturing cost is low；And it is not necessarily to additional metal terminal, after wire kink, across open slot and it is fixed on the wire casing of the second magnetic core, using two pins as the electrode of electric connecting member, while is effectively reduced the height of coil component, realizes the miniaturization of coil component.
Description
Technical field
The utility model is related to inductive technologies field more particularly to a kind of coil components.
Background technology
More and more stronger with the function of electronic product, their size and weight are but constantly being reduced, and this only passes through
The miniaturization of component and system substrate and high-power can be just achieved.In order to meet the growth requirement of technology, it is desirable that device
Part minimizes and the saturation current with bigger, the especially saturation current of inductance.
The coil component of inductance is during pursuing miniaturization, it is desirable that the inductance value range of inductance is in 2~10H, component
Rated current it is very big, especially saturation current require more than 15A.In the coil component of miniaturization, length and width dimensions specification is
When 9.0mm × 8.6mm, to meet above-mentioned requirements, the height of component can only be increased to realize.
When to require length, width and height dimensions be 9.2mm × 8.6mm × 8.8mm, inductance is 4.7H and saturation current is 20.5A
When, the usual method is that the integrated inductance formed using soft magnetic metal powder and coil.But production integrated inductance,
Expensive equipment is needed, each model needs specific mold, and when height is more than 6mm, there are powder for integrated inductance
Expect that the excessive caused layer of the internal stress of compacting splits problem.
Utility model content
The purpose of this utility model is to provide a kind of coil components, to solve the above technical problem.
For this purpose, the utility model uses following technical scheme：
A kind of coil component, including coil, the first magnetic core and the second magnetic core, first magnetic core and the second magnetic core are mutually right
Connecing the accommodation space being formed with for accommodating coil, the bottom of second magnetic core is opened up there are two wire casing, and the one of each wire casing
End is respectively connected with open slot, and two open slots are connected with two wire casings respectively；
The coil includes the flat wire of coiling, and the both ends of the flat wire are connected separately with flat lead, and two are drawn
Line is bent through two open slots respectively, and extends at two wire casings and fix.
Optionally, the length range of the coil component is 8.0-9.2mm, width range 8.0-8.6mm, altitude range
For 7.0-8.6mm.
Optionally, first magnetic core and the second magnetic core are the E-type magnetic core with center pillar, two E-type magnetic cores
Center pillar both passes through the coil.
Optionally, two center pillars are cylindrical shape, are equipped between two center pillars full for increasing inductance
With the air gap of electric current.
Optionally, first magnetic core is the E-type magnetic core with center pillar, and second magnetic core is I type magnetic cores, the E types
It is cylindrical shape or rectangular post shapes that the center pillar of magnetic core, which passes through the coil, the center pillar,.
Optionally, first magnetic core and the second magnetic core are U-shaped magnetic core, between first magnetic core and the second magnetic core also
Equipped with cylindrical type magnetic core, the cylindrical type magnetic core passes through the coil, second magnetic core to be additionally provided with for fixing the cylinder
The circle hole groove of shape magnetic core.
Optionally, the lead includes the pin for electrical connection, and the pin stickup is fixed at wire casing.
Optionally, first magnetic core and the second magnetic core are magnetic core made of soft magnetic materials.
Compared with prior art, the utility model embodiment has the advantages that：
In the utility model embodiment, coil component only uses a pair of of magnetic core and coil, and manufacturing process is simple, without costliness
Manufacturing equipment and mold, have the advantages that manufacturing cost is low；And it is not necessarily to additional metal terminal, the is fixed on after wire kink
On the wire casing of two magnetic cores, it is effectively reduced the height of coil component, realizes the miniaturization of coil component.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of topology view for coil component that the utility model embodiment provides.
Fig. 2 is a kind of topology view at another visual angle for coil component that the utility model embodiment provides.
Fig. 3 is a kind of topology view for coil component that the utility model embodiment one provides.
Fig. 4 is a kind of topology view of the second magnetic core of coil component that the utility model embodiment one provides.
Fig. 5 is a kind of vertical view of the second magnetic core of coil component that the utility model embodiment one provides.
Fig. 6 is a kind of front view of the second magnetic core of coil component that the utility model embodiment one provides.
Fig. 7 is a kind of topology view for coil component that the utility model embodiment two provides.
Fig. 8 is a kind of topology view for coil component that the utility model embodiment three provides.
It illustrates：
First magnetic core 11；Second magnetic core 12；Coil 13；Lead 14；Open slot 15；Center pillar 16；Pin 17；Wire casing 18；Circle
Cylindrical magnetic core 19；Circle hole groove 20；Accommodation space 21.
Specific implementation mode
It, below will knot to enable the purpose of utility model, feature, advantage of the utility model more apparent and understandable
The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described,
Obviously, the embodiments described below are only the utility model a part of the embodiment, and not all embodiment.Based on this reality
It is obtained by those of ordinary skill in the art without making creative efforts all other with the embodiment in novel
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1 with shown in Fig. 2, a kind of coil component provided by the utility model, including coil 13, the first magnetic core 11
With the second magnetic core 12.
First magnetic core 11 and the second magnetic core 12 are mutually butted the accommodation space 21 being formed with for accommodating coil 13, the second magnetic
The bottom of core 12 is opened up there are two wire casing 18, and one end of each wire casing 18 is respectively connected with open slot 15, and two open slots 15 are distinguished
It is connected with two wire casings 18.
Coil 13 includes the flat wire of coiling, and the both ends of flat wire are connected separately with flat lead 14, two leads 14
It is bent through two open slots 15 respectively, and extends at two wire casings 18 and fixes.
Specifically, lead 14 includes the pin 17 for electrical connection, the paint film at pin 17 is sloughed, using tinning
Method on tin, make electrode of two pins 17 as electric connecting member.
Pin 17 is fixed on by adhesive at wire casing 18；Or it is pasted at the surface contacted with the second magnetic core 12 two-sided
Pin 17, is fixed at wire casing 18 by diaphragm or hot pressing diaphragm by dual-skin diaphragm or hot pressing diaphragm.
Further, by adjusting the thickness specification and the number of turns of the flat wire of coil 13, different induction value can be adjusted out
Coil component.The coil component is magnetic screen device, is suitable for the use occasion that high EMC is required.
Wherein, the benefit for opening up wire casing 18 also resides in, and can also both be incited somebody to action by anchor leg 14 come fixed coil 13
Lead 14 is set in wire casing 18 to reduce the whole height of coil component, especially when the thickness of flat lead 14 is more than
When 0.6mm, in the case where the technology that meets requires, it is achieved the miniaturization of coil component.
Further, the first magnetic core 11 and the second magnetic core 12 are magnetic core made of soft magnetic materials.The length of coil component
Spend ranging from 8.0-9.2mm, width range 8.0-8.6mm, altitude range 7.0-8.6mm.
Coil component provided by the utility model only uses a pair of of magnetic core and coil 13, and manufacturing process is simple, without costliness
Manufacturing equipment and mold, have the advantages that manufacturing cost is low；And it is not necessarily to additional metal terminal, lead 14 is fixed on after bending
On the wire casing 18 of second magnetic core 12, it is effectively reduced the height of coil component, realizes the miniaturization of coil component.
The technical solution of the utility model is further illustrated below by specific implementation mode.
Three specific embodiments below, be on the architecture basics of above-mentioned coil component, to the structure of coil component make into
One step limits.
Embodiment one
It please refers to shown in Fig. 3 to Fig. 6, the first magnetic core 11 and the second magnetic core 12 are the E-type magnetic core with center pillar 16, two
The center pillar 16 of E-type magnetic core both passes through coil 13.
Preferably, two center pillars 16 are cylindrical shape, between two center pillars 16 grinding open air gap, electricity is increased with this
The saturation current of sense.
The first magnetic core 11 and the second magnetic core 12 for the coil component that the embodiment provides are E-type magnetic core, thus, it is only required to one
The manufacture mold of kind magnet, it is simple for process, it can realize that manufacturing cost is minimum by simple assembly technology.
Embodiment two
It please refers to shown in Fig. 7, the first magnetic core 11 is the E-type magnetic core with center pillar 16, and second magnetic core 12 is I type magnetic
Core, it is cylindrical shape or rectangular post shapes that the center pillar 16 of the E-type magnetic core, which passes through the coil 13, the center pillar 16,.It should
Center pillar 16 is preferably cylindrical shape, secondary to be selected as rectangular post shapes.
Coil component provided in this embodiment needs the manufacture mold of two kinds of magnets, and manufacturing process is relatively low, manufacturing cost
It is relatively low.
Embodiment three
It please refers to shown in Fig. 8, the first magnetic core 11 and the second magnetic core 12 are U-shaped magnetic core, the first magnetic core 11 and the second magnetic core
Cylinder shape magnetic core 19 is additionally provided between 12, cylinder shape magnetic core 19 passes through coil 13, the second magnetic core 12 to be additionally provided with for fixed cylinder
The circle hole groove 20 of shape magnetic core 19, cylinder shape magnetic core 19 are inserted into fixed in circle hole groove 20.
Coil component provided in this embodiment, it is also desirable to which the manufacture mold of two kinds of magnets, manufacturing process is relatively low, is manufactured into
This is relatively low.
To sum up, coil component provided by the utility model, the material used is few, only includes one or two kinds of magnetic
Core, manufacturing process is simple, without expensive manufacturing equipment and mold, has the advantages that manufacturing cost is low；And it is not necessarily to additional gold
Belong to terminal across open slot 15 and to be fixed on the wire casing 18 of the second magnetic core 12, by two 17 conducts of pin after lead 14 is bent
The electrode of electric connecting member, while it being effectively reduced the height of coil component, realize the miniaturization of coil component.
The above, above example are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, it will be understood by those of ordinary skill in the art that：It is still
Can be with technical scheme described in the above embodiments is modified, or which part technical characteristic is equally replaced
It changes；And these modifications or replacements, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (8)
1. a kind of coil component, including coil, the first magnetic core and the second magnetic core, it is characterised in that：
First magnetic core and the second magnetic core are mutually butted the accommodation space being formed with for accommodating coil, second magnetic core
Bottom is opened up there are two wire casing, and one end of each wire casing is respectively connected with open slot, and two open slots are connected with two wire casings respectively
It is logical；
The coil includes the flat wire of coiling, and the both ends of the flat wire are connected separately with flat lead, two leads point
It is not bent through two open slots, and extends at two wire casings and fixes.
2. coil component according to claim 1, which is characterized in that the length range of the coil component is 8.0-
9.2mm, width range 8.0-8.6mm, altitude range 7.0-8.6mm.
3. coil component according to claim 1, which is characterized in that first magnetic core and the second magnetic core are in having
The center pillar of the E-type magnetic core of column, two E-type magnetic cores both passes through the coil.
4. coil component according to claim 3, which is characterized in that two center pillars are cylindrical shape, two
The air gap for increasing inductance saturation current is equipped between the center pillar.
5. coil component according to claim 1, which is characterized in that first magnetic core is the E-type magnetic core with center pillar,
Second magnetic core is I type magnetic cores, and it is cylindrical shape or side that the center pillar of the E-type magnetic core, which passes through the coil, the center pillar,
Shape post shapes.
6. coil component according to claim 1, which is characterized in that first magnetic core and the second magnetic core are U-shaped magnetic
Core is additionally provided with cylindrical type magnetic core between first magnetic core and the second magnetic core, the cylindrical type magnetic core passes through the coil, described
Second magnetic core is additionally provided with the circle hole groove for fixing the cylindrical type magnetic core.
7. coil component according to claim 1, which is characterized in that the lead includes the pin for electrical connection,
The pin stickup is fixed at wire casing.
8. coil component according to claim 1, which is characterized in that first magnetic core and the second magnetic core are soft magnetism material
Magnetic core made of material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820412338.1U CN207938440U (en) | 2018-03-26 | 2018-03-26 | A kind of coil component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820412338.1U CN207938440U (en) | 2018-03-26 | 2018-03-26 | A kind of coil component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207938440U true CN207938440U (en) | 2018-10-02 |
Family
ID=63655895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820412338.1U Expired - Fee Related CN207938440U (en) | 2018-03-26 | 2018-03-26 | A kind of coil component |
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| Country | Link |
|---|---|
| CN (1) | CN207938440U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113053636A (en) * | 2021-03-15 | 2021-06-29 | 墨尚电子技术(上海)有限公司 | Large-current surface-mounted power inductor and manufacturing method thereof |
| CN114068152A (en) * | 2021-12-14 | 2022-02-18 | 苏州邦鼎新材料有限公司 | High-performance high-quality integrated inductance element structure and manufacturing method thereof |
| CN114242408A (en) * | 2022-01-07 | 2022-03-25 | 淮安顺络文盛电子有限公司 | Coil component |
| WO2023134436A1 (en) * | 2022-01-11 | 2023-07-20 | 昆山玛冀电子有限公司 | Integrally formed inductor and manufacturing method therefor |
| CN117612844A (en) * | 2024-01-22 | 2024-02-27 | 江西省高新超越精密电子有限公司 | Magnetic core center pillar of planar transformer |
-
2018
- 2018-03-26 CN CN201820412338.1U patent/CN207938440U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113053636A (en) * | 2021-03-15 | 2021-06-29 | 墨尚电子技术(上海)有限公司 | Large-current surface-mounted power inductor and manufacturing method thereof |
| CN113053636B (en) * | 2021-03-15 | 2023-02-03 | 墨尚电子技术(上海)有限公司 | Large-current surface-mounted power inductor and manufacturing method thereof |
| CN114068152A (en) * | 2021-12-14 | 2022-02-18 | 苏州邦鼎新材料有限公司 | High-performance high-quality integrated inductance element structure and manufacturing method thereof |
| CN114242408A (en) * | 2022-01-07 | 2022-03-25 | 淮安顺络文盛电子有限公司 | Coil component |
| WO2023134436A1 (en) * | 2022-01-11 | 2023-07-20 | 昆山玛冀电子有限公司 | Integrally formed inductor and manufacturing method therefor |
| CN117612844A (en) * | 2024-01-22 | 2024-02-27 | 江西省高新超越精密电子有限公司 | Magnetic core center pillar of planar transformer |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 |