CN206301671U - A kind of inductor - Google Patents
A kind of inductor Download PDFInfo
- Publication number
- CN206301671U CN206301671U CN201621370879.XU CN201621370879U CN206301671U CN 206301671 U CN206301671 U CN 206301671U CN 201621370879 U CN201621370879 U CN 201621370879U CN 206301671 U CN206301671 U CN 206301671U
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- magnetic core
- inductor
- top cover
- inductance coil
- connection end
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Abstract
The utility model is related to a kind of inductor, including：Magnet and inductance coil.Wherein, magnet includes：Top cover magnetic core, base magnetic core, inner magnetic core and outer cover magnetic core.The top cover magnetic core is provided with connecting portion, and the base magnetic core is provided with the through hole for drawing the inductance coil wire, the inner magnetic core includes the auxiliary section coordinated for the connecting portion with the top cover magnetic core, and the inner magnetic core is built in the inductance coil；The outer cover magnetic core includes the first connection end and the second connection end, first connection end and second connection end are connected with the top cover magnetic core and base magnetic core respectively, the cavity structure of closing is formed, the inner magnetic core for being built in the inductance coil is fixed in the space structure of the closing.The utility model simple structure, stable performance, magnetic core excellent heat dissipation performance.
Description
Technical field
The utility model is related to electronic technology field, more particularly to a kind of inductor.
Background technology
Inductor is widely used as a kind of basic electronic component.In the occasion of Switching Power Supply constant power conversion, inductance
Device is often used as the medium of energy conversion, output boosting, step-down and filtering etc..And for the encapsulation of inductor, existing process
Each part close bad of inductor in technology, causes inductor core inside to produce air gap, reduces the inductance value of inductor.Inductance
Device potting is bad, what the alternating magnetic field that the inductor internal high frequency harmonic current that will also cause is produced was shielded by outer cover magnetic core
Problem.
Additionally, in photovoltaic generation, UPS (Uninterruptible Power System, uninterrupted power source) etc. is high-power
Occasion, the rated current of machine system often reaches 100~200A, relatively strict to temperature increase requirement.
Utility model content
The purpose of this utility model is to provide a kind of inductor, is fixed on by the inner magnetic core that will be built in inductance coil
The space structure of the closing that base magnetic core and base magnetic core are formed with outer cover magnetic core, realizes the encapsulation of inductor, solves existing
The alternating magnetic field that the inductor internal high frequency harmonic current that inductor packaging poor sealing is caused in technology is produced is by outer cover magnetic core
The problem of shielding.
Technical scheme provided by the utility model is as follows：
A kind of inductor, including：Magnet and inductance coil, the magnet include：
Top cover magnetic core, the top cover magnetic core includes connecting portion；
Base magnetic core, the base magnetic core is provided with the through hole for drawing the inductance coil wire；
Inner magnetic core, the inner magnetic core includes the auxiliary section coordinated for the connecting portion with the top cover magnetic core, the interior magnetic
In-core is placed in the inductance coil；
And, outer cover magnetic core, the outer cover magnetic core include the first connection end and the second connection end, first connection end and
Second connection end is connected with the top cover magnetic core and base magnetic core respectively, forms the cavity structure of closing, is built in described
The inner magnetic core of inductance coil is fixed in the space structure of the closing.
Using such scheme, the connecting portion that the top cover magnetic core is set coordinates with the auxiliary section of the inner magnetic core, described interior
The inner magnetic core for being placed in the inductance coil is fixed on the closing that the top cover magnetic core and base magnetic core are formed with outer cover magnetic core
In cavity structure, it is to avoid the alternating magnetic field that the inductor internal high frequency harmonic current that inductor packaging poor sealing is caused is produced
The problem shielded by outer cover magnetic core.
Further, in the inductor, the inner magnetic core uses circular cross-section structure.
Using such scheme, the inner magnetic core uses circular cross-section structure, relative to square section commonly used in the prior art
Face structure, under equal sectional area, the winding of inductance coil can about reduce about 12% winding length, so as to reduce about 12%
The loss that brings of D.C. resistance.
Further, in the inductor, embedding has insulating heat-conductive casting glue in the space structure of the closing.
Using such scheme, in the closed cavity structure that the top cover magnetic core and base magnetic core are formed with outer cover magnetic core, fill
Envelope heat conduction casting glue, can effectively to inductance coil and inner magnetic core Homogeneouslly-radiating, preferably inductance coil and inner magnetic core heat
Amount is transmitted to outer cover magnetic core.
Further, in the inductor, the connecting portion that the top cover magnetic core is set is female thread structure.
Further, in the inductor, the auxiliary section coordinated with the interface portion that the inner magnetic core is set
It is external thread structure.
Further, in the inductor, the connecting portion of the top cover magnetic core is matched somebody with somebody with described in the inner magnetic core
Conjunction smears magnetic-conductive adhesive between portion.
Using such scheme, in the inductor, the connecting portion of the top cover magnetic core with described in the inner magnetic core
Auxiliary section applies magnetic-conductive adhesive using threaded connection in connecting portion, further increases the closed performance of inductor.
Further, in the inductor, the inner magnetic core is manganese-zinc ferrite core.
Further, in the inductor, the top cover magnetic core, the base magnetic core and the outer cover magnetic core are alloy
Powder core.
What the utility model was brought has the beneficial effect that：
Inductor provided by the utility model, by the inner magnetic core that will be built in inductance coil be fixed on base magnetic core and
The space structure of the closing that base magnetic core is formed with outer cover magnetic core, realizes the encapsulation of inductor, solves inductance in the prior art
The problem that the alternating magnetic field that the bad inductor internal high frequency harmonic current for causing of device potting is produced is shielded by outer cover magnetic core.
The utility model simple structure, stable performance.
Brief description of the drawings
Fig. 1 represents the front view of the inductor that the utility model embodiment is provided；
Fig. 2 represents the inductor cross-sectional view that the utility model embodiment is provided；
Fig. 3 represents the inductor composition structural representation that the utility model embodiment is provided；
Fig. 4 represents the inner magnetic core structural representation of the inductor that the utility model embodiment is provided.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
The accompanying drawing of type embodiment, the technical scheme to the utility model embodiment is clearly and completely described.Obviously, it is described
Embodiment is a part of embodiment of the present utility model, rather than whole embodiments.Based on described of the present utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained belongs to the scope of the utility model protection.
The inductor internal high frequency harmonic current caused to solve inductor packaging poor sealing of the prior art is produced
The problem that raw alternating magnetic field is shielded by outer cover magnetic core, the utility model provides a kind of inductor, and the inductor has structure letter
The features such as list, stable performance, excellent heat dissipation performance.
As shown in Figure 1, Figure 2 and Figure 3, the utility model embodiment provides a kind of inductor, including：Magnet 100 and electricity
Sense coil 200.Wherein, the magnet 100 includes：
Top cover magnetic core 110, the top cover magnetic core 110 includes connecting portion 111；
Base magnetic core 120, the base magnetic core 120 is provided with the logical of the wire 210 for drawing the inductance coil 200
Hole；
Inner magnetic core 130, the inner magnetic core 130 includes the cooperation coordinated for the connecting portion 111 with the top cover magnetic core 110
131, the inner magnetic core 130 is built in the inductance coil 200；
And, outer cover magnetic core 140, the outer cover magnetic core 140 includes the first connection end and the second connection end, and described first connects
Connect end and second connection end is connected with the top cover magnetic core 110 and base magnetic core 120 respectively, form the cavity knot of closing
Structure, the inner magnetic core 130 for being built in the inductance coil 200 is fixed in the space structure of the closing.
Using such scheme, connecting portion 111 and the auxiliary section 131 of the inner magnetic core 130 that the top cover magnetic core 110 is set
Coordinate, the inner magnetic core 130 for being built in the inductance coil 200 is fixed on the top cover magnetic core 110 and base magnetic core
In the 120 closed cavity structures formed with outer cover magnetic core 140, it is to avoid inside the inductor that inductor packaging poor sealing is caused
The problem that the alternating magnetic field that high-frequency harmonic electric current is produced is shielded by outer cover magnetic core 140.
Further, as shown in figure 4, in the inductor, the inner magnetic core 130 uses circular cross-section structure.
Using such scheme, the inner magnetic core 130 uses circular cross-section structure, square relative to commonly used in the prior art
Cross section structure, under equal sectional area, the winding of inductance coil can about reduce about 12% winding length, so as to reduce about
The loss that 12% D.C. resistance brings.
Further, in the inductor, embedding has insulating heat-conductive casting glue 150 in the space structure of the closing.
Using such scheme, the closed cavity that the top cover magnetic core 110 and base magnetic core 120 are formed with outer cover magnetic core 140
In structure, embedding heat conduction casting glue 150 effectively can carry out Homogeneouslly-radiating, more preferably to inductance coil 200 and inner magnetic core 130
The heat of inductance coil 200 and inner magnetic core 130 is transmitted to outer cover magnetic core 140 by ground.In the prior art, inductor manufacturing process is protected
The inner magnetic core 130 and the tolerance general control of outer cover magnetic core 140 of inductor are demonstrate,proved in ± 0.3mm, the section of inner magnetic core 130 can not be with top
Lid magnetic core 110, base magnetic core 120 are formed when being in close contact, and air gap will be caused to produce, and causing the inductance value of inductor has larger
Fall.The utility model introduces fit structure for top cover magnetic core 110 with inner magnetic core 130, when base magnetic core 120, inner magnetic core
130th, outer cover magnetic core 140 and the assembling of inductance coil 200 is completed, and pours into heat conduction casting glue, it is ensured that the progressive combination of inductor core.
Further, in the inductor, the connecting portion 111 that the top cover magnetic core 110 is set is internal thread knot
Structure.
Further, in the inductor, the inner magnetic core 130 set with the interface portion 111 coordinate described in
Auxiliary section 131 is external thread structure.
Further, in the inductor, the connecting portion 111 and the inner magnetic core 130 of the top cover magnetic core 110
The auxiliary section 131 between smear magnetic-conductive adhesive.
Using such scheme, in the inductor, the connecting portion 111 and the inner magnetic core of the top cover magnetic core 110
130 auxiliary section 131 applies magnetic-conductive adhesive using threaded connection in connecting portion, further increases the envelope of inductor core
Close performance.
Further, in the inductor, the inner magnetic core 130 is manganese-zinc ferrite core.
Further, in the inductor, the top cover magnetic core 110, the base magnetic core 120 and the outer cover magnetic core
140 is alloy powder core.
It should be appreciated that in such scheme, top cover magnetic core 110, the base magnetic core 120, interior magnetic in the inductor
The core material of core 130 and outer cover magnetic core 140, it is possible to use identical core material, it is also possible to according to different use occasions
The magnetic material of appropriate collocation unlike material reaches many magnetic materials and is used in mixed way, and this is not defined.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model know-why is not departed from, some improvement and replacement can also be made, these change
Enter and replace also to should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of inductor, including：Magnet and inductance coil, it is characterised in that the magnet includes：
Top cover magnetic core, the top cover magnetic core is provided with connecting portion；
Base magnetic core, the base magnetic core is provided with the through hole for drawing the inductance coil wire；
Inner magnetic core, the inner magnetic core includes the auxiliary section coordinated for the connecting portion with the top cover magnetic core, in the inner magnetic core
It is placed in the inductance coil；
And, outer cover magnetic core, the outer cover magnetic core includes the first connection end and the second connection end, first connection end and described
Second connection end is connected with the top cover magnetic core and base magnetic core respectively, forms the cavity structure of closing, is built in the inductance
The inner magnetic core of coil is fixed in the space structure of the closing.
2. inductor according to claim 1, it is characterised in that the inner magnetic core uses circular cross-section structure.
3. inductor according to claim 1, it is characterised in that embedding has insulating heat-conductive in the space structure of the closing
Casting glue.
4. inductor according to claim 1, it is characterised in that the connecting portion is female thread structure.
5. inductor according to claim 1, it is characterised in that the auxiliary section is external thread structure.
6. inductor according to claim 1, it is characterised in that smear magnetic conduction between the connecting portion and the auxiliary section
Glue.
7. the inductor according to any one of claim 1 to 6, it is characterised in that the inner magnetic core is manganese-zinc ferrite magnetic
Core.
8. inductor according to claim 7, it is characterised in that the top cover magnetic core, the base magnetic core and described outer
Cover magnetic core is alloy powder core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621370879.XU CN206301671U (en) | 2016-12-14 | 2016-12-14 | A kind of inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621370879.XU CN206301671U (en) | 2016-12-14 | 2016-12-14 | A kind of inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206301671U true CN206301671U (en) | 2017-07-04 |
Family
ID=59213780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621370879.XU Active CN206301671U (en) | 2016-12-14 | 2016-12-14 | A kind of inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206301671U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108231367A (en) * | 2016-12-14 | 2018-06-29 | 特富特科技(深圳)有限公司 | A kind of inductor |
| CN108535508A (en) * | 2018-04-01 | 2018-09-14 | 宁波依诺汽车电子有限公司 | A kind of Full-shielding automobile wheel speed sensor |
-
2016
- 2016-12-14 CN CN201621370879.XU patent/CN206301671U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108231367A (en) * | 2016-12-14 | 2018-06-29 | 特富特科技(深圳)有限公司 | A kind of inductor |
| CN108231367B (en) * | 2016-12-14 | 2024-05-17 | 特富特科技(深圳)有限公司 | Inductor |
| CN108535508A (en) * | 2018-04-01 | 2018-09-14 | 宁波依诺汽车电子有限公司 | A kind of Full-shielding automobile wheel speed sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180518 Address after: 471000 grizzly Technology Park, 10 Tang Palace Road, old town, Luoyang, Henan Patentee after: Otte electromagnetic technology (Luoyang) Co., Ltd. Address before: 518101 Xiong Peng science and Technology Park, Tongfu industrial area, Dapeng New District, Shenzhen, Guangdong Patentee before: Traftor Technology (Shenzhen) Co., Ltd. |
|
| TR01 | Transfer of patent right |