CN208444830U - A kind of elastic pressuring plate fixed structure - Google Patents
A kind of elastic pressuring plate fixed structure Download PDFInfo
- Publication number
- CN208444830U CN208444830U CN201820262245.5U CN201820262245U CN208444830U CN 208444830 U CN208444830 U CN 208444830U CN 201820262245 U CN201820262245 U CN 201820262245U CN 208444830 U CN208444830 U CN 208444830U
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- power device
- magnetic core
- fixed structure
- pressuring plate
- plate fixed
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Abstract
The utility model provides a kind of elastic pressuring plate fixed structure, and for power device or magnetic core to be fixed on cooling fin, the elastic pressuring plate fixed structure includes: grip part, and the grip part is arcuate structure；Extension, the extension are equipped with through-hole, and the through-hole is through the screw base on the cooling fin；Card-tight part, contact the power device perhaps power device or the magnetic core described in the magnetic core clamping on the cooling fin.The technical solution of the utility model beneficial effect is: using card-tight part, pressure can be applied to power device or magnetic core, so that power device or magnetic core with cooling fin is smooth fits closely, to reach good heat dissipation effect and good stability, and installation method is simple, efficiently, and fixed structure is at low cost, is conducive to produce in enormous quantities.
Description
Technical field
The utility model relates to semi-conductor device technology field more particularly to a kind of elastic pressuring plate fixed structures.
Background technique
With the rapid development of semiconductor equipment technology, will be used wider and wider for power device is general, power device packet
Metal-oxide semiconductor fieldeffect transistor or FERRITE CORE etc. are included, fixed mode is varied.Common half
Conductor power device is all made of the mode of screw or Surface Mount installation, then contacts with cooling fin, and common FERRITE CORE is used
The mode of encapsulating glue or surface bonding is contacted with cooling fin.
But during practical application, there are the following problems: (1) when using screw by the way of fixed, each power device
Part is required to a screw so that semiconductor technology is many and diverse, and with the aging of material, the positive pretightning force of screw it is weak,
So that the thermal contact resistance of power device and cooling fin is deteriorated, and cause the risk of short circuit；(2) it is fixed using surface-pasted mode
When, need power device Surface Mount to be then attached to by aluminum substrate or printed circuit board on aluminum substrate perhaps printed circuit board
On cooling fin, the higher operating costs of this structure, and processing step is more, technique requires very high；(3) FERRITE CORE is adopted
Magnetic core fragmentation is caused since temperature change makes the coefficient of expansion of glue ontology and magnetic core inconsistent with the mode of encapsulating glue
Risk.
Summary of the invention
For the above-mentioned problems in the prior art, a kind of elastic pressuring plate fixed structure is now provided.
Specific technical solution is as follows:
A kind of elastic pressuring plate fixed structure, for power device or magnetic core to be fixed on cooling fin, wherein the bullet
Property tabletting fixed structure includes:
Grip part, the grip part are arcuate structure；
Extension, the extension are equipped with through-hole, and the through-hole is through the screw base on the cooling fin；
Card-tight part, contact the power device perhaps power device or the magnetic core described in the magnetic core clamping in institute
It states on cooling fin.
Preferably, the fin surface attaches an insulating trip, places the power device or institute on the insulating trip
State magnetic core.
Preferably, the screw base includes a screw, the threaded connection of the screw base on the screw and the cooling fin.
Preferably, the card-tight part is set as multiple, each card-tight part is corresponding place a power device or
One magnetic core of person.
Preferably, the elastic pressuring plate fixed structure is made of stainless steel material.
Preferably, the grip part, the extension and the card-tight part are integrally formed.
The technical solution of the utility model beneficial effect is: a kind of elastic pressuring plate fixed structure is provided, using card-tight part,
Can to power device perhaps magnetic core apply pressure so that power device or magnetic core with cooling fin is smooth fits closely, to reach
To good heat dissipation effect and good stability, and installation method is simple, and efficiently, and fixed structure is at low cost, is conducive to
Produce in enormous quantities.
Detailed description of the invention
With reference to appended attached drawing, more fully to describe the embodiments of the present invention.However, appended attached drawing is only used for
Bright and elaboration, does not constitute the limitation to the scope of the utility model.
Fig. 1 is the overall structure figure about elastic pressuring plate fixed structure in the embodiments of the present invention.
Specific embodiment
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 in the premise for not making creative work
Under every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as the utility model
It limits.
The utility model includes a kind of elastic pressuring plate fixed structure, scattered for power device 1 or magnetic core 1 to be fixed on
On backing 2, wherein elastic pressuring plate fixed structure 3 includes:
Grip part 30, grip part 30 are arcuate structure；
Extension 31, extension 31 be equipped with through-hole (not shown in FIG.), through-hole (not shown in FIG.) through dissipate
Screw base (not shown in FIG.) on backing 2；
Card-tight part 32, contact power device 1 perhaps 1 clamping power device 1 of magnetic core or magnetic core 1 on cooling fin 2.
By the technical solution of above-mentioned elastic pressuring plate fixed structure, as shown in Figure 1, elastic pressuring plate fixed structure is used for function
Rate device 1 or magnetic core 1 are fixed on cooling fin 2, wherein holding portion 30 is arcuate structure, convenient for picking and placing and installing elastic pressuring plate
Fixed structure 3, extension 31 do not contact power device 1 or magnetic core 1, reduce biography to fixed elastic pressuring plate fixed structure 3
The processing step of system screw constant power device or magnetic core, further increases the production efficiency of technique, and extension
31 are equipped with through-hole (not shown in FIG.), through-hole (not shown in FIG.) it is corresponding through on cooling fin 2 screw base (
It is not shown in the figure) it places power device 1 so that card-tight part 32 is corresponding and perhaps magnetic core 1 and applies to power device 1 or magnetic core 1
Pressure further improves the energy of the resistance impact force and low-and high-frequency oscillating load of the assembly of power device 1 or magnetic core 1
Power has reached good fixed effect, so that the heat dissipation effect and pressure stability of power device 1 or magnetic core 1 improve.
In a kind of preferably embodiment, 2 surface of cooling fin attaches an insulating trip 4, places power device 1 on insulating trip 4
Or magnetic core 1.Specifically, as shown in Figure 1, using insulating trip 4, be conducive to the heat dissipation effect for improving power device 1 or magnetic core 1
Fruit.
In a kind of preferably embodiment, screw base (not shown in FIG.) includes a screw 20, screw 20 and cooling fin
The threaded connection of screw base (not shown in FIG.) on 2.Specifically, the through-hole (not shown in FIG.) pair on extension 31
Should be through the screw base (not shown in FIG.) on cooling fin 2, screw 20 (does not show in figure with the screw base on cooling fin 2
Threaded connection out), to fix elastic pressuring plate fixed structure 3, so that the stability maintenance of power device 1 or magnetic core 1 mentions
Height, even if the phenomenon that there will not be loosening, power device 1 or magnetic core 1 are not easily to fall off under the action of high vibration.
In a kind of preferably embodiment, card-tight part 32 is set as multiple, and each card-tight part 32 is corresponding to place a power
Device 1 or a magnetic core 1.Specifically, on the assembly of the power device of large area 1 or magnetic core 1, multiple clampings are set
Portion 32 so that each power device 1 or magnetic core 1 can with cooling fin 2 it is smooth it is close be bonded, to reach better heat dissipation
Effect.
In a kind of preferably embodiment, elastic pressuring plate fixed structure 3 is made of stainless steel material.Specifically, stainless steel
Elastic properties of materials is good, not perishable, easy to form, and at low cost.
In a kind of preferably embodiment, grip part 30, extension 31 and card-tight part 32 are integrally formed.Specifically, elastic
Tabletting fixed structure 3 is integrally formed, and production method is simple, and cost is relatively low, practical, is suitable for producing in enormous quantities.
It in a kind of preferably embodiment, is pasted on cooling fin 2 using insulating trip 4 first, is conducive to improve power device
Then power device 1 or magnetic core 1 are placed on insulating trip 4 heat dissipation effect of the perhaps magnetic core 1 of part 1, then pass through elastic pressuring plate
The grip part 30 of fixed structure 3 picks and places elastic pressuring plate fixed structure 3, so that the extension 31 of elastic pressuring plate fixed structure 3 is logical
Hole (not shown in FIG.) corresponds to the placement of the screw base (not shown in FIG.) on cooling fin 2, further such that elastic pressuring plate is solid
Determine structure 3 card-tight part 32 can contact and clamping power device 1 perhaps magnetic core 1 in the upper of power device 1 or magnetic core 1
Side applies pressure, has reached good fixed effect, and installation method is simple, efficiently, at low cost, is conducive to large batch of life
It produces.
The technical solution of the utility model beneficial effect is: a kind of elastic pressuring plate fixed structure and installation method are provided,
It, can perhaps magnetic core applies pressure so that power device or magnetic core and cooling fin are smooth tight to power device using card-tight part
Closely connected conjunction, to reach good heat dissipation effect and good stability, and installation method is simple, efficiently, and fixed structure at
This is low, is conducive to produce in enormous quantities.
The foregoing is merely the utility model preferred embodiment, be not intended to limit the embodiments of the present invention and
Protection scope should can appreciate that all in the utility model specification and diagram to those skilled in the art
Hold made equivalent replacement and obviously change obtained scheme, the protection model of the utility model should all be included in
In enclosing.
Claims (6)
1. a kind of elastic pressuring plate fixed structure, for power device or magnetic core to be fixed on cooling fin, which is characterized in that institute
Stating elastic pressuring plate fixed structure includes:
Grip part, the grip part are arcuate structure；
Extension, the extension are equipped with through-hole, and the through-hole is through the screw base on the cooling fin；
Card-tight part, contacting the power device, perhaps power device or the magnetic core described in the magnetic core clamping are dissipated in described
On backing.
2. elastic pressuring plate fixed structure according to claim 1, which is characterized in that the fin surface attaches an insulation
Piece places the power device or the magnetic core on the insulating trip.
3. elastic pressuring plate fixed structure according to claim 1, which is characterized in that the screw base includes a screw, institute
State the threaded connection of the screw base on screw and the cooling fin.
4. elastic pressuring plate fixed structure according to claim 1, which is characterized in that the card-tight part is set as multiple, often
A card-tight part is corresponding to place a power device or a magnetic core.
5. elastic pressuring plate fixed structure according to claim 1, which is characterized in that the elastic pressuring plate fixed structure is not by
Rust Steel material is made.
6. elastic pressuring plate fixed structure according to claim 1, which is characterized in that the grip part, the extension and
The card-tight part is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820262245.5U CN208444830U (en) | 2018-02-22 | 2018-02-22 | A kind of elastic pressuring plate fixed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820262245.5U CN208444830U (en) | 2018-02-22 | 2018-02-22 | A kind of elastic pressuring plate fixed structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208444830U true CN208444830U (en) | 2019-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820262245.5U Active CN208444830U (en) | 2018-02-22 | 2018-02-22 | A kind of elastic pressuring plate fixed structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208444830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108389842A (en) * | 2018-02-22 | 2018-08-10 | 宁波央腾汽车电子有限公司 | A kind of elastic pressuring plate fixed structure and installation method |
-
2018
- 2018-02-22 CN CN201820262245.5U patent/CN208444830U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108389842A (en) * | 2018-02-22 | 2018-08-10 | 宁波央腾汽车电子有限公司 | A kind of elastic pressuring plate fixed structure and installation method |
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