CN205920849U - Heat abstractor and high -voltage high -frequency power module of transformer - Google Patents
Heat abstractor and high -voltage high -frequency power module of transformer Download PDFInfo
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- CN205920849U CN205920849U CN201620017907.3U CN201620017907U CN205920849U CN 205920849 U CN205920849 U CN 205920849U CN 201620017907 U CN201620017907 U CN 201620017907U CN 205920849 U CN205920849 U CN 205920849U
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- radiator
- transformer
- heat abstractor
- power module
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Abstract
The utility model provides a heat abstractor and a high -voltage high -frequency power module of transformer, the transformer is fixed on the PCB board, including iron core and the coil of coiling on the iron core, heat abstractor includes and sets gradually in the direction of keeping away from the PCB board thermal conductive filler, radiator and lamina tecti on the coil of transformer, thermal conductive filler is used for heat conduction, insulation and fills the clearance between coil and the radiator, lamina tecti and PCB board set up relatively, cooperate in order compressing tightly radiator and thermal conductive filler on the transformer with the PCB board, high -voltage high -frequency power module includes high -voltage high -frequency transformer and above -mentioned heat abstractor. The heat abstractor of transformer can improve the radiating efficiency of high -voltage high -frequency transformer, and the stability and the reliability of reinforcing high -voltage high -frequency transformer make power module's compact structure again, can also avoid extra maintenance.
Description
Technical field
This utility model be related to transformer technology field and in particular to a kind of transformator dissipate
Thermal, and a kind of high voltagehigh frequency power module.
Background technology
With the progress of Power Electronic Technique, new technology and device continuously attempt to apply
So that high voltage power supply tends to high frequency and miniaturization, its property in high voltage power supply design
Lifting can be also continuously available, the most direct benefit that the high frequency of high voltage power supply is brought is exactly
It is quick that the reduction of raw materials consumption, the miniaturization of supply unit and system dynamics are reacted
Change, this facilitate application in numerous areas for the high voltage power supply.
At present, it is applied to the high voltage high frequency transformer in the high voltagehigh frequency power module of sealing
Small volume, heating power is larger, and internal heat is difficult to directly be scattered in environment, thus
Have impact on stability and the reliability of high voltage high frequency transformer operation.
In order to the heat producing high voltage high frequency transformer is in time in the power module of sealing
It is scattered in environment, need to increase the design of radiating aspect for high voltage high frequency transformer.Existing
Have in technology, typically realize the radiating of high voltage high frequency transformer using the following two kinds scheme:
One of which scheme is the volume increasing high voltage high frequency transformer itself, this passes through
Although increasing volume can reduce temperature to a certain extent the mode to realize radiating,
The volume leading to whole power module increases, and structure is not compact；
Another kind of scheme be install blower fan to realize forced convertion, this by install blower fan
Realize its cooling-down effect of mode of radiating preferably, but the blower fan installed need periodic maintenance,
Therefore increased maintenance procedures.
In view of existing heat dissipation design has drawbacks described above, therefore design for high voltage high frequency transformer
A kind of more preferable heat sink conception becomes this area technical problem urgently to be resolved hurrily.
Utility model content
Technical problem to be solved in the utility model be for prior art in the presence of
Drawbacks described above, provides a kind of heat abstractor of transformator and a kind of high voltagehigh frequency power module,
The radiating efficiency of high voltage high frequency transformer can be improved, strengthen the steady of high voltage high frequency transformer
Qualitative and reliability, makes the compact conformation of power module moreover it is possible to avoid extra dimension again
Shield.
Solve this utility model technical problem be the technical scheme is that
This utility model provides a kind of heat abstractor of transformator, and described transformator is fixed on
On pcb plate, including iron core and the coil being wound on iron core, described heat abstractor includes
The heat conduction on coil being successively set on described transformator on the direction away from pcb plate is filled out
Material, radiator and lamina tecti, described heat filling is used for heat conduction, insulation and filling coil
Gap and radiator between, described lamina tecti is oppositely arranged with pcb plate, with pcb plate
Match to compress on the transformer radiator and heat filling.
Preferably, described heat abstractor also includes being arranged between lamina tecti and radiator
Heat-conducting pad.
Preferably, described radiator includes substrate, is arranged on multiple radiatings of substrate side
Gear piece, and it is arranged on the groove of substrate opposite side；
Described heat-conducting pad is laid in the top of multiple radiating gear pieces of described radiator；
The shape of the groove of described radiator is adapted with the shape of transformer top.
Preferably, multiple radiating gear pieces of described radiator are parallel and spaced set, often
Individual radiating gear piece all extends along the direction away from pcb plate.
Preferably, the top phase of heat filling and transformator is passed through in the bottom of described radiator
Cooperation movement on the direction parallel with pcb plate with limiting transformer.
Preferably, the top mistake of heat filling and transformator is passed through in the bottom of described radiator
It is full of cooperation.
Preferably, described heat abstractor also includes being arranged between radiator and heat filling
Heat conductive isolation sheet, its upper surface is fitted in the bottom of radiator.
Preferably, described heat filling is made using soft insulating material.
This utility model also provides a kind of high voltagehigh frequency power module, and it includes high voltagehigh frequency
Transformator and above-mentioned heat abstractor.
Preferably, the lamina tecti of described heat abstractor is the one of the shell of described power module
Part.
Beneficial effect:
Heat abstractor described in the utility model can be applicable to the high voltagehigh frequency power module sealing
In, the radiating efficiency of high voltage high frequency transformer can be improved, thus drastically increasing height
The stability of pressure high frequency transformer and the operation of high voltagehigh frequency power module and reliability, and energy
The design size reducing high voltage high frequency transformer is so that the structure of high voltagehigh frequency power module
Compact.
Brief description
High voltage high frequency transformer and its radiating dress that Fig. 1 provides for this utility model embodiment
The schematic front view put；And
High voltage high frequency transformer and its radiating dress that Fig. 2 provides for this utility model embodiment
The exploded perspective view put.
In figure: 1-pcb plate；2- high voltage high frequency transformer；21- coil；22- ferrum
Core；3- heat filling；4- lamina tecti；5- heat-conducting pad；6- radiator；61-
Radiating gear piece；62- substrate；63- groove；7- heat conductive isolation sheet.
Specific embodiment
For making those skilled in the art more fully understand the technical solution of the utility model, under
Face is described in further detail to this utility model in conjunction with the accompanying drawings and embodiments.
This utility model embodiment provides a kind of heat abstractor of transformator, described transformator
Can be high voltage high frequency transformer or other kinds of transformator, the present embodiment
Taking high voltage high frequency transformer as a example it is described.
As illustrated in fig. 1 and 2, high voltage high frequency transformer 2 is fixed on pcb plate 1, high
Pressure high frequency transformer 2 is high-power heating element, has the spies such as the big, small volume of loss
Point, such as no heat dissipation design then the thermal reliability in running cannot meet requirement, high
Pressure high frequency transformer 2 specifically includes iron core 22 and the coil 21 being wound on iron core.This reality
Apply the described heat abstractor of example to include being successively set on high pressure on the direction away from pcb plate 1
Heat filling 3 on the coil 21 of high frequency transformer, radiator 6 and lamina tecti 4, i.e.
Heat filling 3 be filled in the top of high voltage high frequency transformer 2 and radiator 6 bottom it
Between.
Wherein, heat filling 3 is used for heat conduction, insulation and filling coil 21 and radiator 6
Between gap, the high pressure between high voltage high frequency transformer 2 and radiator 6 can be met
Insulating requirements, the heat producing when again can run high voltage high frequency transformer 2 well passes
It is handed to radiator 6, and then be scattered in external environment condition by radiator 6, lamina tecti 4,
Improve the heat dispersion of high voltagehigh frequency radiator.Heat filling 3 need to have good leading
Hot property, it is made using soft insulating material, and described soft insulating material is specifically permissible
Gap pad (having gap filling material) for Bei Gesi (bergquist), it belongs to one
Plant high temperature heat-resistant conductive material.
Lamina tecti 4 is oppositely arranged with pcb plate 1, and it is matched with pcb plate 1 to incite somebody to action
Radiator 6 and heat filling 3 are pressed in high voltage high frequency transformer 2, the compression of generation
Radiator 6, heat filling 3 can be pressed fixation with high voltage high frequency transformer 2 by power completely,
High voltage high frequency transformer 2 can be prevented relative between the above-mentioned part that it coordinates when running
Motion, and the heat of conduction to lamina tecti 4 can be scattered to by outside by convection outside radiating
In environment, good conduction of heat is all played in whole cooperation, thus improving high voltagehigh frequency
The heat dispersion of transformator 2.Lamina tecti 4 is made using Heat Conduction Material, for example with gold
Belong to material to make, preferably to radiate.
In the present embodiment, described heat abstractor also includes being arranged on lamina tecti 4 and radiator
Heat-conducting pad 5 between 6.Heat-conducting pad 5 is also adopted by Heat Conduction Material and makes, for example with
Metal material is made, preferably to radiate.
Radiator 6 includes substrate 62, is arranged on multiple radiating gear pieces of substrate 62 side
61, and it is arranged on the groove 63 of substrate 62 opposite side.The plurality of radiating gear piece 61
Parallel and spaced set, each radiating equal edge of gear piece 61 is away from direction of pcb plate 1
Extend.Wherein, heat-conducting pad 5 is laid in the top of multiple radiating gear pieces 61 of radiator,
Thus the heat that high voltage high frequency transformer 2 is transferred to multiple radiating gear pieces 61 preferably passes
It is delivered to lamina tecti 4, improve overall heat dispersion；The shape of groove 63 of radiator with
The shape at high voltage high frequency transformer 2 top is adapted, specially the shape with coil 21 top
Shape is adapted.Radiator 6 is also adopted by Heat Conduction Material and makes, for example with metal material system
Become, preferably to radiate.
Additionally, heat filling 3 and high pressure are passed through in the bottom (i.e. groove 63) of radiator 6
Matching in the top of high frequency transformer 2, specially coordinates with the top of coil 21 to limit
Movement on the direction parallel with pcb plate 1 for the high voltage high frequency transformer 2, thus play
Spacing effect.
And, the bottom (i.e. groove 63) of radiator 6 is also by heat filling 3 and height
The top interference fit of pressure high frequency transformer 2, to prevent high voltage high frequency transformer 2 from running
When and radiator 6 between relative motion.
In the present embodiment, described heat abstractor also includes heat conductive isolation sheet 7, and it is arranged on
Between radiator 6 and heat filling 3 it may also be said to, be arranged on radiator 6 and high pressure
Between high frequency transformer 2, the upper surface of heat conductive isolation sheet 7 is fitted in the bottom of radiator 6
Portion, specially fits (for example pasting) on the inwall of the groove 63 of radiator, with more
The High-Voltage Insulation meeting well between high voltage high frequency transformer 2 and radiator 6 requires, and
Good conductive force can be played.Heat conductive isolation sheet 7 is made using heat-conducting insulation material,
Make for example with heat conductive silica gel.
Heat abstractor described in the present embodiment can improve the radiating efficiency of high voltage high frequency transformer,
Drastically increase the stability that high voltage high frequency transformer and high voltagehigh frequency power module run
And reliability, the design size of high voltage high frequency transformer can be reduced so that high voltagehigh frequency again
The compact conformation of power module.
This utility model embodiment also provides a kind of high voltagehigh frequency power module, and it includes height
Pressure high frequency transformer 2 and above-mentioned heat abstractor, and the two is sealed in high voltagehigh frequency power supply mould
In block.
Wherein, the lamina tecti 4 of heat abstractor is one of high voltagehigh frequency power module shell
Point, with material-saving moreover it is possible to make high voltagehigh frequency power module structure compacter.
It is understood that embodiment of above be merely to illustrate that of the present utility model
Principle and the illustrative embodiments that adopt, but this utility model is not limited thereto.
For those skilled in the art, without departing from spirit of the present utility model
In the case of essence, various modifications and improvement can be made, these modifications and improve
It is considered as protection domain of the present utility model.
Claims (10)
1. a kind of heat abstractor of transformator, described transformator is fixed on pcb plate,
Including iron core and the coil that is wound on iron core it is characterised in that described heat abstractor bag
Include the heat conduction on the coil being successively set on described transformator on the direction away from pcb plate
Filler, radiator and lamina tecti, described heat filling is used for heat conduction, insulation and filling line
Gap between circle and radiator, described lamina tecti is oppositely arranged with pcb plate, with pcb
Plate matches to compress on the transformer radiator and heat filling.
2. heat abstractor according to claim 1 is it is characterised in that described radiating
Device also includes the heat-conducting pad being arranged between lamina tecti and radiator.
3. heat abstractor according to claim 2 it is characterised in that
Described radiator includes substrate, is arranged on multiple radiating gear pieces of substrate side, with
And it is arranged on the groove of substrate opposite side；
Described heat-conducting pad is laid in the top of multiple radiating gear pieces of described radiator；
The shape of the groove of described radiator is adapted with the shape of transformer top.
4. heat abstractor according to claim 3 is it is characterised in that described radiating
Multiple radiating gear pieces of device are parallel and spaced set, each radiating gear piece all along away from
The direction of pcb plate extends.
5. heat abstractor according to claim 1 is it is characterised in that described radiating
The bottom of device by heat filling match with the top of transformator with limiting transformer with
Movement on the parallel direction of pcb plate.
6. heat abstractor according to claim 5 is it is characterised in that described radiating
The top interference fit of heat filling and transformator is passed through in the bottom of device.
7. heat abstractor according to claim 1 is it is characterised in that described radiating
Device also includes the heat conductive isolation sheet being arranged between radiator and heat filling, its upper table
Face is fitted in the bottom of radiator.
8. the heat abstractor according to any one of claim 1-7 it is characterised in that
Described heat filling is made using soft insulating material.
9. a kind of high voltagehigh frequency power module, it includes high voltage high frequency transformer and as right
Require the heat abstractor any one of 1-8.
10. power module according to claim 9 is it is characterised in that described dissipate
The lamina tecti of thermal is a part for the shell of described power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620017907.3U CN205920849U (en) | 2016-01-08 | 2016-01-08 | Heat abstractor and high -voltage high -frequency power module of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620017907.3U CN205920849U (en) | 2016-01-08 | 2016-01-08 | Heat abstractor and high -voltage high -frequency power module of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205920849U true CN205920849U (en) | 2017-02-01 |
Family
ID=57875974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620017907.3U Active CN205920849U (en) | 2016-01-08 | 2016-01-08 | Heat abstractor and high -voltage high -frequency power module of transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597822A (en) * | 2018-04-24 | 2018-09-28 | 河南机电职业学院 | A kind of three-phase self coupling power transformer |
| CN110400677A (en) * | 2019-08-12 | 2019-11-01 | 阳光电源股份有限公司 | Transformer and its radiator |
-
2016
- 2016-01-08 CN CN201620017907.3U patent/CN205920849U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597822A (en) * | 2018-04-24 | 2018-09-28 | 河南机电职业学院 | A kind of three-phase self coupling power transformer |
| CN110400677A (en) * | 2019-08-12 | 2019-11-01 | 阳光电源股份有限公司 | Transformer and its radiator |
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| GR01 | Patent grant |