CN207834072U - A kind of power inductor with radiator - Google Patents
A kind of power inductor with radiator Download PDFInfo
- Publication number
- CN207834072U CN207834072U CN201820212410.6U CN201820212410U CN207834072U CN 207834072 U CN207834072 U CN 207834072U CN 201820212410 U CN201820212410 U CN 201820212410U CN 207834072 U CN207834072 U CN 207834072U
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- Prior art keywords
- magnetic core
- heat conduction
- heat
- shell
- pedestal
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Abstract
The utility model discloses a kind of power inductors with radiator,Including shell,The bottom end of shell is connected with pedestal,And the top surface center of pedestal is provided with magnetic core,The surface of magnetic core is provided with several equally distributed bar-shaped troughs,And heat conduction item is inlaid in bar-shaped trough,The top of shell is provided with heat sink,And the top of heat conduction item is connect with heat sink,A left side for magnetic core,Right both sides are both provided with the supporting rod for being fixed on base top surface,And several equally distributed magnetospheres are fixedly connected between two supporting rods,Magnetosphere and magnetic core are externally wrapped with integrated coil,And heat conduction circle is provided between adjacent magnetosphere,The outer surface of shell is provided with several cooling rings,And cooling ring is connected by thermally conductive sheet with corresponding heat conduction circle respectively,The device can realize quick heat dissipation,Make the performance of device will not be affected by temperature,And it can avoid burning out device,In addition,Device can also be made to improve performance while reducing volume.
Description
Technical field
The utility model is related to power inductor technical field, specially a kind of power inductor with radiator.
Background technology
Power inductance is to be divided to band magnetic cover and without two kinds of magnetic cover, be mainly made of magnetic core and copper wire.Power inductor is in electricity
Filtering and oscillation action are mainly played in road.Inductance in general electronic circuit is air core coil, or the coil with magnetic core, can only
By smaller electric current, lower voltage is born；And power inductance also has air core coil, also has with magnetic core, main feature
It is to use heavy gauge wire coiling, tens of peaces can be born, hundreds of, thousands of, even tens thousand of peaces.
With the rapid development of science and technology, the size of the various mobile digital products including mobile phone is smaller and smaller.Due to
The variation of environment bring to electromagnetic radiation, cross jamming is increasingly stringenter with electromagnetic pollution control（EMC control tests）, inductance
Device takes on important absorption surging function in circuit.Mobile phone, camera, the disc driver of laptop and portable
Only minority needs to be more power inductor formula audio player also in the conventional electronics used.Increasingly complicated
The circuit integrated huge market pressure in narrower circuit board space result in performance more preferably, great competitiveness
, the demand of more exquisite final element increases.The extensive use of high-power conversion final element on circuit board also causes
The increase of high efficiency direct current transducer and finer inductor demand.
Existing power inductor generally includes main body, and magnetic core is provided in main body, and being externally wrapped with for magnetic core is wired
Circle, the bottom setting of main body is there are two connection terminal, and two connection terminals are connect with the both ends of coil respectively so that device can
Play the role of filtering and oscillation.
But existing power inductor has the following defects：
（1）Power inductor will produce a large amount of heat when in use, and existing power inductor is greatly most without scattered
Heat structure so that the radiating rate of device is too slow, influences the function of device, and is easy to burn out device；
（2）With the development of technology, the volume of circuit board is smaller and smaller, and the volume of required power inductor is also increasingly
It is small so that the performance of power inductor is reduced with the reduction of volume, influences the using effect of power inductor.
Invention content
In order to overcome the shortcomings of that prior art, the utility model provide a kind of power inductance with radiator
Device, the device can realize quick heat dissipation, make the performance of device will not be affected by temperature, and can avoid burning out dress
It sets, additionally it is possible to which device is made to improve performance while reducing volume, can effectively solve the problem that the problem of background technology proposes.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of power inductor with radiator, including cylindrical shell, the bottom end of the shell is connected with bottom
Seat, and the top surface center of pedestal is provided with magnetic core, the surface of the magnetic core is provided with several equally distributed bar-shaped troughs, and
Heat conduction item is inlaid in bar-shaped trough, the top of the shell is provided with heat sink, and the top of heat conduction item connects with heat sink
It connects；
The arranged on left and right sides of the magnetic core is both provided with the supporting rod for being fixed on base top surface, and between two supporting rods
It is fixedly connected with several equally distributed magnetospheres, the magnetosphere and magnetic core are externally wrapped with integrated coil, and adjacent
Magnetosphere between be provided with heat conduction circle, the outer surface of the shell is provided with several cooling rings, and cooling ring is respectively by leading
Backing is connected with corresponding heat conduction circle.
Further, the bottom end setting of the pedestal is there are two connection terminal, and two connection terminals respectively with coil
Both ends connect.
Further, the magnetic core is internally provided with hollow cavity, and the top surface of heat sink be provided with it is corresponding with hollow cavity
Through-hole, the inner wall of the hollow cavity is provided with the heat emission hole being connect with heat conduction item.
Further, be provided with insulation sleeve between the magnetic core and magnetosphere, and the top of insulation sleeve, bottom end respectively with heat dissipation
Plate, pedestal connection.
Further, the top surface of the heat sink is provided with equally distributed heat bulge.
Compared with prior art, the utility model has the beneficial effects that：
（1）The heat dissipation effect of the utility model is more preferable, and the heat that power inductor generates at work can be made rapid
It distributes so that the performance of power inductor will not be affected by temperature, and can be burned to avoid power inductor；
（2）The utility model can make power inductor while ensureing small size, and performance is more powerful so that power
Inductor can be applicable in smaller circuit board.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the cross section structure schematic diagram of the utility model；
Fig. 3 is the magnetic core overlooking structure diagram of the utility model.
Figure label：
1- shells；2- pedestals；3- magnetic cores；4- bar-shaped troughs；5- heat conduction items；6- heat sinks；7- supporting rods；8- magnetospheres；9- lines
Circle；10- heat conduction circles；11- cooling rings；12- thermally conductive sheets；13- connection terminals；14- hollow cavities；15- through-holes；16- heat emission holes；17-
Insulation sleeve；18- heat bulges.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1 to Figure 3, the utility model provides a kind of power inductor with radiator, including cylinder
The bottom end of the shell 1 of shape, shell 1 is connected with pedestal 2, and for connecting the equipment such as circuit board, the top surface center of pedestal 2 is set pedestal 2
Be equipped with magnetic core 3, the arranged on left and right sides of magnetic core 3 is both provided with the supporting rod 7 for being fixed on 2 top surface of pedestal, and two supporting rods 7 it
Between be fixedly connected with several equally distributed magnetospheres 8, magnetic core 3 and magnetosphere 8 are made of magnet.
Magnetic core 3 is located across on the vertical line in 8 center of circle of magnetosphere, and magnetosphere 8 and magnetic core 3 are externally wrapped with integrated coil 9,
So that the length for the coil 9 that can be placed in shell 1 is longer, the number of turns is more so that device can ensure the same of small size
When, improve performance so that device can be applicable in smaller circuit board, keep the purposes of device more extensive, and the inside of shell 1 can be with
Epoxy resin etc. is filled, the stability of device can be improved, and the insulation characterisitic, magnetic shield property, resistance to electricity of device can be improved
Properties of flow and hot properties etc..
There are two connection terminals 13 for the bottom end setting of pedestal 2, and two connection terminals 13 connect with the both ends of coil 9 respectively
It connects, connection terminal 13 is directly connected to circuit board so that device can play a role, and realize the purpose of filtering and oscillation.
The surface of magnetic core 3 is provided with several equally distributed bar-shaped troughs 4, and heat conduction item 5 is inlaid in bar-shaped trough 4,
The top of shell 1 is provided with heat sink 6, and the top of heat conduction item 5 is connect with heat sink 6, and heat conduction item 5 is preferable by heat conductivility
Insulating materials be made, heat sink 6 is made of the material of good heat dispersion performance so that when coil 9 that magnetic core 3 is externally wrapped with works
The heat of generation can be distributed along heat conduction item 5 from heat sink 6, is kept the heat dissipation effect of device more preferable, can be avoided temperature
The performance of power inductor is influenced, and can prevent power inductor from burning out.
Magnetic core 3 is internally provided with hollow cavity 14, and the top surface of heat sink 6 is provided with through-hole corresponding with hollow cavity 14
15, the inner wall of hollow cavity 14 is provided with the heat emission hole 16 being connect with heat conduction item 5 so that the partial heat that heat conduction item 5 transmits can
It sheds from through-hole 15 along heat emission hole 16, is conducive to the heat dissipation effect for improving device.
The top surface of heat sink 6 is provided with equally distributed heat bulge 18, and heat bulge 18 can be hemispherical or aciculiform
Deng the contact area of heat sink 6 and air can be increased so that the heat dissipation effect of heat sink 6 is more preferable.
Heat conduction circle 10 is provided between adjacent magnetosphere 8, the outer surface of shell 7 is provided with several cooling rings 11, and dissipates
Gas ket 11 is connected by thermally conductive sheet 12 with corresponding heat conduction circle 10 respectively so that when the work of coil 9 being wrapped in outside magnetosphere 10
Generated heat can shed along heat conduction circle 10 and thermally conductive sheet 12 from cooling ring 11, and heat conduction circle 10 is by the Heat Conduction Material that insulate
It is made, the coil 9 that can be externally wrapped with to avoid each magnetosphere 8 influences each other.
Be provided with insulation sleeve 17 between magnetic core 3 and magnetosphere 8, and the top of insulation sleeve 17, bottom end respectively with heat sink 6, bottom
Seat 2 connects, and insulation sleeve 17 can separate the coil 9 that the coil 9 that magnetic core 3 is externally wrapped with is externally wrapped with magnetosphere 8, prevent line
Enclose 9 it is adjacent between interact, keep the function of power inductor unaffected.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of power inductor with radiator, including cylindrical shell（1）, it is characterised in that：The shell（1）
Bottom end be connected with pedestal（2）, and in pedestal（2）Top surface center be provided with magnetic core（3）, the magnetic core（3）Surface setting
There are several equally distributed bar-shaped troughs（4）, and in bar-shaped trough（4）Inside it is inlaid with heat conduction item（5）, the shell（1）Top
It is provided with heat sink（6）, and heat conduction item（5）Top and heat sink（6）Connection；
The magnetic core（3）Arranged on left and right sides be both provided with and be fixed on pedestal（2）The supporting rod of top surface（7）, and in two supporting rods
（7）Between be fixedly connected with several equally distributed magnetospheres（8）, the magnetosphere（8）And magnetic core（3）Be externally wrapped with one
Coil（9）, and in adjacent magnetosphere（8）Between be provided with heat conduction circle（10）, the shell（1）Outer surface be provided with it is several
A cooling ring（11）, and cooling ring（11）Pass through thermally conductive sheet respectively（12）With corresponding heat conduction circle（10）Connection.
2. a kind of power inductor with radiator according to claim 1, it is characterised in that：The pedestal（2）
Bottom end setting there are two connection terminal（13）, and two connection terminals（13）Respectively with coil（9）Both ends connection.
3. a kind of power inductor with radiator according to claim 1, it is characterised in that：The magnetic core（3）
Be internally provided with hollow cavity（14）, and heat sink（6）Top surface be provided with and hollow cavity（14）Corresponding through-hole（15）, described
Hollow cavity（14）Inner wall be provided with and heat conduction item（5）The heat emission hole of connection（16）.
4. a kind of power inductor with radiator according to claim 1, it is characterised in that：The magnetic core（3）
With magnetosphere（8）Between be provided with insulation sleeve（17）, and insulation sleeve（17）Top, bottom end respectively with heat sink（6）, pedestal（2）
Connection.
5. a kind of power inductor with radiator according to claim 1, it is characterised in that：The heat sink
（6）Top surface be provided with equally distributed heat bulge（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820212410.6U CN207834072U (en) | 2018-02-07 | 2018-02-07 | A kind of power inductor with radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820212410.6U CN207834072U (en) | 2018-02-07 | 2018-02-07 | A kind of power inductor with radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207834072U true CN207834072U (en) | 2018-09-07 |
Family
ID=63397317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820212410.6U Expired - Fee Related CN207834072U (en) | 2018-02-07 | 2018-02-07 | A kind of power inductor with radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207834072U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109731228A (en) * | 2019-03-26 | 2019-05-10 | 南阳市中心医院 | A kind of pulse electromagnetic field treating pain in humans equipment and operating method |
| CN110164656A (en) * | 2019-06-26 | 2019-08-23 | 哈尔滨理工大学 | A kind of combined type oil immersed type wind-cooling heat dissipating transformer |
| CN110739136A (en) * | 2019-10-23 | 2020-01-31 | 张超 | inductor assembly |
| CN111726932A (en) * | 2019-03-22 | 2020-09-29 | 乾坤科技股份有限公司 | Magnetic device and stacked electronic structure |
-
2018
- 2018-02-07 CN CN201820212410.6U patent/CN207834072U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111726932A (en) * | 2019-03-22 | 2020-09-29 | 乾坤科技股份有限公司 | Magnetic device and stacked electronic structure |
| CN109731228A (en) * | 2019-03-26 | 2019-05-10 | 南阳市中心医院 | A kind of pulse electromagnetic field treating pain in humans equipment and operating method |
| CN110164656A (en) * | 2019-06-26 | 2019-08-23 | 哈尔滨理工大学 | A kind of combined type oil immersed type wind-cooling heat dissipating transformer |
| CN110739136A (en) * | 2019-10-23 | 2020-01-31 | 张超 | inductor assembly |
| CN110739136B (en) * | 2019-10-23 | 2022-05-03 | 泗洪钰磁电子科技有限公司 | Inductor subassembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20190207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |