CN205920852U - Transformer heat radiation structure and planar transformer - Google Patents
Transformer heat radiation structure and planar transformer Download PDFInfo
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- CN205920852U CN205920852U CN201620817943.8U CN201620817943U CN205920852U CN 205920852 U CN205920852 U CN 205920852U CN 201620817943 U CN201620817943 U CN 201620817943U CN 205920852 U CN205920852 U CN 205920852U
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- installing hole
- transformator
- side winding
- radiator structure
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Abstract
The utility model discloses a transformer heat radiation structure and planar transformer, including the base plate, and set up in magnetic conduction device on the base plate, magnetic conduction device including run through set up in mounting hole on the base plate, wear to locate magnetic core post in the mounting hole and set up in on the base plate and spiral around adorn in magnetic conduction winding on the magnetic core post, magnetic conduction winding has the heat dissipation channel, follows heat dissipation channel's extending direction is provided with the radiating groove. Through set up the radiating groove in the heat dissipation channel, can improve the convection action of air, improve the radiating effect that the air flows to lose a large amount of heats that transformer work produced fast, thereby ensure the safe and reliable of work of transformer.
Description
Technical field
This utility model is related to transformer technology field, particularly a kind of transformator radiator structure and flat surface transformer.
Background technology
Transformator radiator structure protrudes because of its compact, performance, and the advantage of reliable operation is applied respectively by increasing
Individual technical field.At present, traditional transformator radiator structure is roughly divided into two classes: a class is to be formed with discrete part stacking,
Be specially and be processed into special size and dimension with copper coin or Copper Foil, then by these have the discrete elements of special shape according to
Certain requirement stacking, in order to constitute the winding of transformator, finally the heart adds a ferrite core wherein.Another kind of is to use multilamellar
Pcb plate make.Former and deputy side winding due to printed circuit board transformer radiator structure employs planar multilayer stacked configuration,
Substitute traditional enamel-covered wire with Copper Foil, although this kind of structure can make full use of the Kelvin effect of conductor, reduce eddy-current loss, improve
The surface conductance performance of conductor, but when it is used for powerful occasion, its Copper Foil winding temperature rise can be very high, and naturally dissipated by it
The effect on driving birds is not good of heat, leads to not discharge the heat of generation in time, there is greatly potential safety hazard.
Content of the invention
Based on this, this utility model is to overcome the defect of prior art, provides a kind of good heat dissipation effect, functional reliability
Height and structure simple transformator radiator structure and flat surface transformer.
Its technical scheme is as follows:
A kind of transformator radiator structure, including substrate, and is arranged at the magnetic conductive device on described substrate, described magnetic conductive device
Including the installing hole being disposed through on described substrate, it is arranged in and described the magnetic core post of in the hole be installed and be arranged at described substrate
Upper and spiral winding is loaded on the magnetic conduction winding on described magnetic core post, and described magnetic conduction winding has heat dissipation channel, along described heat dissipation channel
Bearing of trend be provided with radiating groove.
Wherein in an embodiment, described installing hole includes the first installing hole and the second installing hole, described magnetic conduction winding
Including primary side winding and vice-side winding, around described first installing hole arrangement, described vice-side winding is around institute for described primary side winding
State the second installing hole arrangement, and described primary side winding and described vice-side winding are spaced and are arranged side by side.
Wherein in an embodiment, described primary side winding and described vice-side winding all include multistage and are connected successively and same
The magnetic conduction cell cube of heart arrangement, the spacing range of two neighboring described magnetic conduction cell cube is 1～5mm.
Wherein in an embodiment, the scope of described radiating groove groove width is 0.8～4mm.
Wherein in an embodiment, described primary side winding is identical with the hand of spiral of described vice-side winding or contrary.
Wherein in an embodiment, the size of described magnetic core post and described installing hole matches.
Wherein in an embodiment, also include magnetic strength assembly, described magnetic strength assembly includes being disposed through described substrate
Go up and be located at the 3rd installing hole between described first installing hole and described second installing hole, and be arranged in described assembling in the hole
Magnetic strength part.
Wherein in an embodiment, the area of described 3rd installing hole is s1, the area of described first installing hole is
S2, the area of described second installing hole is s3；Wherein, s1=s2+s3.
Wherein in an embodiment, the back gauge of described first installing hole and described 3rd installing hole and described second is pacified
Dress hole is equal with the back gauge of described 3rd installing hole.
This utility model also provides a kind of flat surface transformer, and it includes at least two transformator radiating knots as above
Structure, described at least two, transformator radiator structure is layered on top of each other arrangement.
The beneficial effects of the utility model are:
Above-mentioned transformator radiator structure installs magnetic core post in described installation in the hole, and installs around in described magnetic core post periphery spiral
Described magnetic conduction winding, passes through afterwards to open up radiating groove in the described heat dissipation channel that described magnetic conduction winding is formed, can improve air
Convection action, improve air flow radiating effect, thus by transformator work produce amount of heat quickly lose, from
And guarantee work safety and the reliability of transformator.
Above-mentioned flat surface transformer includes transformator radiator structure arranged stacked described at least two, in described installation in the hole peace
Dress magnetic core post, and install around described magnetic conduction winding in described magnetic core post periphery spiral, pass through the institute that described magnetic conduction winding is formed afterwards
State and in heat dissipation channel, open up radiating groove, the convection action of air can be improved, improve the radiating effect of air flow, thus will become
The amount of heat that depressor work produces quickly loses, so that it is guaranteed that the work safety of transformator and reliability.
Brief description
Fig. 1 is the structural representation of the transformator radiator structure described in this utility model embodiment.
Description of reference numerals:
100th, substrate, 200, magnetic conductive device, 220, installing hole, the 222, first installing hole, the 224, second installing hole, 260, lead
Magnetic winding, 270, primary side winding, 280, vice-side winding, 290, magnetic conduction cell cube, 300, heat dissipation channel, 320, radiating groove, 400,
Magnetic strength assembly, the 420, the 3rd installing hole.
Specific embodiment
Below embodiment of the present utility model is described in detail:
As shown in figure 1, a kind of transformator radiator structure, including substrate 100, and it is arranged at the magnetic conduction on described substrate 100
Device 200, installing hole 220 that described magnetic conductive device 200 includes being disposed through on described substrate 100, is arranged in described installation
Magnetic core post (not shown) in hole 220 and be arranged on described substrate 100 and spiral winding is loaded on leading on described magnetic core post
Magnetic winding 260, described magnetic conduction winding 260 has heat dissipation channel 300, along described heat dissipation channel 300 bearing of trend be provided with scattered
Heat channel 320.
Above-mentioned transformator radiator structure installs magnetic core post in described installing hole 220, and in described magnetic core post periphery spiral
Install around described magnetic conduction winding 260, open up radiating groove in the described heat dissipation channel 300 that described magnetic conduction winding 260 is formed afterwards
320, can improve the convection action of air from there through radiating groove 320, improve the radiating effect of air flow, thus by transformation
The amount of heat producing during device work quickly loses, so that it is guaranteed that the work safety of transformator and reliability.
In the present embodiment, described substrate 100 is pcb plate, is printed with the circuit for the work of control voltage device thereon；?
Drill through hole on pcb plate, described magnetic core post is plugged in through hole, afterwards can by described magnetic conduction winding 260 in a spiral manner
Around being loaded on around described magnetic core post, described magnetic conduction winding 260 should be avoided during coiling to contact with magnetic core post and to cause leakage inductance to increase, shadow
Ring the service behaviour of transformator.Wherein in an embodiment, the size of described magnetic core post and described installing hole 220 matches.
I.e. the diameter of preferably described magnetic posts is similar with the pore size of described installing hole 220, it may thereby be ensured that described magnetic core post
Fastening, reliability are installed.
Additionally, described magnetic conduction winding 260 preferably employs Copper Foil, because its not only magnetic induction performance good, and using flat collection
Close shape can reduce switching frequency higher when Kelvin effect loss, can most effectively be led using the surface of copper foil conductor simultaneously
Electrical property.The convoluted configuration of described Copper Foil winding can be round screw thread structure, rectangular coil structure or triangle helical structure
Deng species and the aesthetic property of transformator thus can be improved, and Copper Foil height is according to deep corresponding to the skin that becomes during maximum switching frequency
Degree is chosen, and all parts of Copper Foil so can be made all to become current path, greatly reduce the impact of kelvin effect.Therefore, should
This makes each switching frequency correspond to different Copper Foil height.In addition, described magnetic core post can be ferrite core of nickel-zinc, manganese
Zn ferrite magnetic core, FERRITE CORE etc., suitable magnetic core can be selected according to different use occasions, to improve voltage device
Dependability.
Wherein in an embodiment, described installing hole 220 includes the first installing hole 222 and the second installing hole 224, described
Magnetic conduction winding 260 includes primary side winding 270 and vice-side winding 280, and described primary side winding 270 is around described first installing hole 222
Arrangement, described vice-side winding 280 is arranged around described second installing hole 224, and described primary side winding 270 and described vice-side winding
280 are spaced and are arranged side by side.Described primary side winding 270 is identical or contrary with the hand of spiral of described vice-side winding 280.
Described primary side winding 270 and described vice-side winding 280 are installed on pcb plate simultaneously, and ensures described primary side winding
270 and described vice-side winding 280 side by side and be alternately arranged, the coupling effect that thus can increase former and deputy side winding 280 is to reduce
Leakage inductance amount, simultaneously it is also possible that the faradic current distribution producing is more average, and then can reduce the energy loss of transformator.
Additionally, described primary side winding 270 and described vice-side winding 280 are curled up in a spiral manner by Copper Foil and form, according to different application
The needs of environment, the spiral of two windings curls up direction and can identical may be reversed, and presses dextrorotation around or one simultaneously
Individual curl up in the direction of the clock, one curls up counterclockwise, thus can control electromagnetic induction performance, improves skin effect
Caused eddy-current loss, improves electric current density.
Further, described primary side winding 270 and described vice-side winding 280 all include multistage and are connected successively and concentric cloth
The magnetic conduction cell cube 290 put, the spacing range of two neighboring described magnetic conduction cell cube 290 is 1～5mm.For the ease of description, edge
The direction segmentation of vertical Copper Foil, can be the magnetic conduction cell cube 290 of multistage arranged concentric by overall Copper Foil cutting, described in each
Magnetic conduction cell cube 290 forms thimble structure similar to a split ring, multiple split ring arranged concentric.By two neighboring split ring
Spacing be set as 1～5mm, not only can increasing heat radiation area, can also mitigate skin effect generation energy loss, and then
Leakage inductance phenomenon can be improved.Additionally, the scope of described radiating groove 320 groove width is 0.8～4mm.In described heat dissipation channel 300 size
So that the size of described radiating groove 320 is maximum in the case of certain, thus so that passing through the air of described substrate 100
Flow is more, and the convection effects of air are more preferable, such that it is able to drain more heats, improving radiating effect.
Above-mentioned transformator radiator structure also includes magnetic strength assembly 400, and described magnetic strength assembly 400 includes being disposed through described
On substrate 100 and positioned at the 3rd installing hole 420 between described first installing hole 222 and described second installing hole 224, and wear
Magnetic strength part located at described assembling in the hole.In the present embodiment, positioned at described first installing hole 222 and described second installing hole
224 middle part offers described 3rd installing hole 420, and the position of described 3rd installing hole 420 is preferably in both centre bits
Put, that is, described 3rd installing hole 420 is equal with the back gauge of described first installing hole 222, described second installing hole 224, and three
Installing hole is centrally located on same straight line.Thus can ensure that the magnetic core post that is plugged in described 3rd installing hole 420 with
The magnetic strength effect that the Copper Foil winding of both sides produces is close, average to guarantee faradic distribution.
Additionally, the area of described 3rd installing hole 420 is s1, the area of described first installing hole 222 is s2, described the
The area of two installing holes 224 is s3；Wherein, s1=s2+s3.So manufacture difficulty not only can be reduced, and so that become
Depressor structure is compacter, and outward appearance is more attractive in appearance.Certainly, in other embodiments, the size of described 3rd installing hole 420 also may be used
To be for other relations with described first installing hole 222 and described second installing hole 224.
This utility model also provides a kind of flat surface transformer, and it includes at least two transformator radiating knots as above
Structure, described at least two, transformator radiator structure is layered on top of each other arrangement.Above-mentioned flat surface transformer includes transformation described at least two
Device radiator structure arranged stacked, installs magnetic core post in described installing hole 220, and installs around described in described magnetic core post periphery spiral
Magnetic conduction winding 260, passes through to open up radiating groove 320 in the described heat dissipation channel 300 that described magnetic conduction winding 260 is formed afterwards, permissible
Improve the convection action of air, improve the radiating effect of air flow, thus will be quick for the amount of heat of transformator work generation
Lose, so that it is guaranteed that the work safety of transformator and reliability.
In other examples, the quantity of described transformator radiator structure can be the other quantity of three or more,
Corresponding multiple substrate 100 is parallel to each other arranged stacked, the described radiating groove 320 that preferably two neighboring substrate 100 opens up
Position mutually corresponds to, and therefore ensures that air passes through the mobile performance of multilager base plate 100 it is ensured that radiating effect is good.
Each technical characteristic of embodiment described above can arbitrarily be combined, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic applied in example is all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope of this specification record.
Embodiment described above only have expressed several embodiments of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, some deformation can also be made and improve, these broadly fall into
Protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be defined by claims.
Claims (10)
1. a kind of transformator radiator structure, it is characterised in that including substrate, and is arranged at the magnetic conductive device on described substrate, institute
State magnetic conductive device and include the installing hole being disposed through on described substrate, the magnetic core post being arranged in described installation in the hole and setting
On described substrate, simultaneously spiral winding is loaded on the magnetic conduction winding on described magnetic core post, and described magnetic conduction winding has heat dissipation channel, along institute
The bearing of trend stating heat dissipation channel is provided with radiating groove.
2. transformator radiator structure according to claim 1 it is characterised in that described installing hole include the first installing hole and
Second installing hole, described magnetic conduction winding includes primary side winding and vice-side winding, and described primary side winding is around described first installing hole
Arrangement, described vice-side winding around described second installing hole arrangement, and described primary side winding and described vice-side winding interval and simultaneously
Arrangement is put.
3. transformator radiator structure according to claim 2 is it is characterised in that described primary side winding and described vice-side winding
All include multistage be connected successively and arranged concentric magnetic conduction cell cube, the spacing range of two neighboring described magnetic conduction cell cube is 1
～5mm.
4. transformator radiator structure according to claim 1 is it is characterised in that the scope of described radiating groove groove width is 0.8
～4mm.
5. transformator radiator structure according to claim 2 is it is characterised in that described primary side winding and described vice-side winding
The hand of spiral identical or contrary.
6. transformator radiator structure according to claim 1 is it is characterised in that the chi of described magnetic core post and described installing hole
Very little match.
7. transformator radiator structure according to claim 2 is it is characterised in that also include magnetic strength assembly, described magnetic strength group
Part includes being disposed through on described substrate and is located at the 3rd installation between described first installing hole and described second installing hole
Hole, and it is arranged in the magnetic strength part of described assembling in the hole.
8. transformator radiator structure according to claim 7 it is characterised in that described 3rd installing hole area be s1,
The area of described first installing hole is s2, and the area of described second installing hole is s3；Wherein, s1=s2+s3.
9. the transformator radiator structure according to claim 7 or 8 is it is characterised in that described first installing hole and described
The back gauge of three installing holes is equal with the back gauge of described 3rd installing hole with described second installing hole.
10. a kind of flat surface transformer, it includes at least two transformators as described in any one of the claims 1 to 9 and dissipates
Heat structure, described at least two, transformator radiator structure is layered on top of each other arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620817943.8U CN205920852U (en) | 2016-07-28 | 2016-07-28 | Transformer heat radiation structure and planar transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620817943.8U CN205920852U (en) | 2016-07-28 | 2016-07-28 | Transformer heat radiation structure and planar transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205920852U true CN205920852U (en) | 2017-02-01 |
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ID=57873073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620817943.8U Active CN205920852U (en) | 2016-07-28 | 2016-07-28 | Transformer heat radiation structure and planar transformer |
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| Country | Link |
|---|---|
| CN (1) | CN205920852U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2016
- 2016-07-28 CN CN201620817943.8U patent/CN205920852U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |