CN204335250U - A kind of power module body structure - Google Patents
A kind of power module body structure Download PDFInfo
- Publication number
- CN204335250U CN204335250U CN201420745872.6U CN201420745872U CN204335250U CN 204335250 U CN204335250 U CN 204335250U CN 201420745872 U CN201420745872 U CN 201420745872U CN 204335250 U CN204335250 U CN 204335250U
- Authority
- CN
- China
- Prior art keywords
- body structure
- drain pan
- heat abstractor
- back cover
- fixed head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005452 bending Methods 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000001149 thermolysis Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Abstract
The utility model relates to a kind of body structure, particularly a kind of power module body structure.Power module body structure provided by the utility model, comprise heat abstractor, cover plate assembly and fixed head assembly, fixed head assembly comprises drain pan and back cover, and this fixed head assembly is used for securing cover plate assembly and heat abstractor; Heat abstractor is arranged at the centre position of fixed head assembly.Such heat abstractor can play thermolysis to the power module of its both sides, power module body structure is dispelled the heat evenly, improves its radiating effect.In addition, the utility model also by setting up header board, increase the architecture advances measure such as to fix of cover plate assembly and back cover and header board, improve the situation of body structure discontinuity, enhance the load-bearing capacity of body structure.
Description
Technical field
The utility model relates to a kind of body structure, particularly a kind of power module body structure.
Background technology
At present, power module body structure mainly comprises cover plate, drain pan, back cover and heat abstractor, and its cover plate is the top board of a band flange, and flange is provided with screwed hole, is fixed by screw and casing miscellaneous part; Drain pan comprises base plate and the both sides bending plate integrally formed with base plate, and the flange of both sides bending plate and cover plate is fixed; Back cover and drain pan are by two fixing parts of screw; Heat abstractor is distributed in power module side, only fixes with the side plate of casing.Usually, cover plate is provided with handle, for carrying or moving casing.
, there are two subject matters in this existing power module body structure.First problem is, because heat abstractor is only distributed in power module side, so casing heat radiation is uneven, radiating effect is poor.Second Problem is, existing body structure is stressed unreasonable, heavy burden ability, and failure rate is high, is embodied in: heat abstractor is only fixed with the side plate of casing, makes body structure discontinuity; Casing is in transport, operation, maintenance process, because body structure is fixed insecure, jolting, clash into, under the External Force Acting such as vibrations, easily there is the phenomenons such as components and parts come off, the end of a thread loosens in box house, especially casing is non-close structure, when casing is vertically placed, the problems referred to above more easily occur; Simultaneously, because the cover plate of existing body structure is just connected with biside plate by flange, fixing firm not, and the power module installed in casing is generally heavier, therefore by arrange on the cover board handle carrying or when moving casing, cover plate can produce moderate finite deformation, even causes body structure to lose efficacy.
Utility model content
A technical problem to be solved in the utility model is: existing power module body structure, dispel the heat uneven, radiating effect is poor.
In order to solve the problems of the technologies described above, the utility model provides a kind of power module body structure, comprise heat abstractor, cover plate assembly and fixed head assembly, wherein fixed head assembly comprises drain pan and back cover, this fixed head assembly is used for securing cover plate assembly and heat abstractor, and heat abstractor is arranged at the centre position of fixed head assembly.
Alternatively, heat abstractor comprises equally distributed first heat-sink unit of fin and the second heat-sink unit, together with the first heat-sink unit is arranged side by side with the second heat-sink unit.
Alternatively, fixed head assembly also comprises a header board, and heat abstractor is fixedly connected with back cover with header board, drain pan respectively.
Alternatively, header board and back cover offer front thermovent and rear thermovent respectively, and front thermovent and rear thermovent can form the heat dissipation channel of heat abstractor.
Alternatively, cover plate assembly comprises top board and biside plate, and top board and biside plate are structure as a whole, and top board is fixedly connected with back cover respectively with header board, and biside plate is fixedly connected with drain pan.
Alternatively, header board is provided with flanging, and this flanging to the turnover of casing outside, and which is provided with the 3rd screwed hole, and header board is fixedly connected with drain pan with top board by the 3rd screwed hole by screw respectively.
Alternatively, drain pan and back cover are structure as a whole.
Further, into a single integrated structure drain pan and back cover are with bending edge, and this bending edge turns down to box house, and which is provided with the first screwed hole, and into a single integrated structure drain pan is fixedly connected with cover plate assembly with back cover by this first screwed hole by screw.
Alternatively, cover plate assembly, drain pan and back cover are provided with louvre.
Alternatively, the fin of heat abstractor is made up of aluminum.
The power module body structure that the utility model provides, its heat abstractor is arranged at the centre position of fixed head assembly, make heat abstractor can play thermolysis to the power module of its both sides, thus the radiating effect of power module body structure can be improved, casing is dispelled the heat more even.
The utility model, by increasing header board, makes heat abstractor all be fixedly connected with header board, drain pan and back cover simultaneously, improves the fastness that heat abstractor is fixing, improve the stressing conditions of power module body structure.
In addition, the cover plate assembly in the utility model is not only fixed with drain pan, also fixes with back cover and header board simultaneously, make the fixing more firm of cover plate assembly, improve the stressed irrational situation of body structure, enhance the load-bearing capacity of body structure, effectively can reduce the failure rate of body structure.
By referring to the detailed description of accompanying drawing to exemplary embodiment of the present utility model, further feature of the present utility model and advantage thereof will become clear.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 illustrates the power module casing external structure schematic diagram that the utility model provides.
Fig. 2 illustrates the fixed head component external structural representation comprising drain pan and back cover.
Fig. 3 illustrates the fixed head component internal structural representation comprising drain pan and back cover.
Fig. 4 illustrates the schematic diagram that heat abstractor and drain pan are fixed.
Fig. 5 illustrates construction for heat radiating device schematic diagram.
Fig. 6 illustrates the power module casing external structure schematic diagram comprising header board.
Fig. 7 illustrates header board external structure schematic diagram.
Fig. 8 illustrates header board internal structure schematic diagram.
Fig. 9 illustrates the external structure schematic diagram that heat abstractor and fixed head assembly are fixed.
Figure 10 illustrates the internal structure schematic diagram that heat abstractor and fixed head assembly are fixed.
Figure 11 illustrates cover plate assembly structural representation.
Figure 12 illustrates the thermovent schematic diagram on cover plate assembly.
In figure: 1, power module body structure; 2, heat abstractor; 3, fixed head assembly; 5, header board; 7, cover plate assembly; 201, the first heat-sink unit; 202, the second heat-sink unit; 301, bending edge; 302, drain pan; 303, back cover; 304, louvre; 305, rear thermovent; 306, the first screwed hole; 307, the second screwed hole; 501, the 3rd screwed hole; 502, flanging; 503, upper flanging; 504, lower flanging; 505, front thermovent; 506, the 4th screwed hole; 701, top board; 702, side plate; 703, through hole.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the utility model and application or use.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit scope of the present utility model.
Meanwhile, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not draw according to the proportionate relationship of reality.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part of authorizing specification.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
With reference to Fig. 1, power module body structure 1 provided by the utility model, comprises heat abstractor 2, cover plate assembly 7 and fixed head assembly 3; With reference to Fig. 2, fixed head assembly 3 comprises drain pan 302 and back cover 303, and this fixed head assembly 3 is for securing cover plate assembly 7 and heat abstractor 2; With reference to Fig. 4, heat abstractor 2 is arranged at the centre position of fixed head assembly 3.
The power module body structure 1 that the utility model provides, because heat abstractor 2 is arranged at the centre position of fixed head assembly 3, therefore heat abstractor 2 can play thermolysis to the power module of its both sides, power module body structure 1 is dispelled the heat more even, improve the radiating effect of body structure 1.
Because aluminum has heat dispersion preferably, preferably, the fin of heat abstractor 2 is made up of aluminum.
With reference to Fig. 5, heat abstractor 2 comprises equally distributed first heat-sink unit 201 and the second heat-sink unit 202 of fin, first heat-sink unit 201 can improve the heat dispersion of power module body structure 1 together with being arranged side by side with the second heat-sink unit 202 so further.
With reference to Fig. 6, fixed head assembly 3 can also comprise a header board 5, and heat abstractor 2 is fixedly connected with back cover 303 with header board 5, drain pan 302 respectively.With reference to Fig. 9 and Figure 10, drain pan 302 and back cover 303 are provided with the second screwed hole 307, header board 5 are provided with the 4th screwed hole 506, so just can realize heat abstractor 2 by screw and be fixedly connected with back cover 303 with header board 5, drain pan 302.In this technical scheme, heat abstractor 2 is not only fixedly connected with drain pan 302, is also fixedly connected with back cover 303 with header board 5, makes the fixing more firm of heat abstractor 2, improves the situation of body structure 1 unbalance stress; And owing to adding header board 5, even if make power module body structure 1 vertically be placed, its inside is also not easy to occur the phenomenons such as components and parts come off, the end of a thread loosens.
As the improvement of technique scheme, header board 5 and back cover 303 offer front thermovent 505 and rear thermovent 305 respectively, interval between this two thermovents and fin of heat abstractor 2 is communicated with and forms heat dissipation channel, can improve radiating efficiency, improve radiating effect.With reference to Fig. 7 and Fig. 9, front thermovent 505 and rear thermovent 305 are oppositely arranged, and the shape of front thermovent 505 is circular, and the shape of rear thermovent 305 is rectangle, to adapt to the end surface shape of heat abstractor 2 and external device, ensures good radiating effect.With reference to Fig. 9 and Figure 10, now, the second screwed hole 307 and the 4th screwed hole 506 are separately positioned on rear thermovent 305 and front thermovent 505 around, are fixedly connected with header board 5, drain pan 302 for realizing heat abstractor 2 with back cover 303.
As further improvement of the utility model, with reference to Figure 11, cover plate assembly 7 can comprise top board 701 and biside plate 702, and top board 701 and biside plate 702 are structure as a whole, top board 701 is fixedly connected with back cover 303 respectively with header board 5, and biside plate 702 is fixedly connected with drain pan 302.Make the fixing more firm of cover plate assembly 7 like this, enhance the bearing capacity of cover plate assembly 7, also the stressing conditions improving body structure 1 is contributed to, strengthen the heavy burden ability of body structure 1, in order to avoid when carrying by the handle (not shown on figure) on cover plate assembly 7 or move casing 1, be out of shape excessive because of cover plate assembly 7 and cause the destruction of whole power module body structure 1, thus effectively can reduce the failure rate of body structure 1.
Cover plate assembly 7 can be fixed by screw with header board 5 and is connected.With reference to Figure 11, top board 701 is provided with through hole 703, and with reference to Fig. 8, header board 5 is provided with flanging 502, this flanging 502 is to the turnover of casing outside, wherein go up flanging 503 and be provided with three screwed hole 501 corresponding to through hole 703, lower flanging 504 is also provided with the 3rd screwed hole 501 and fixes with the screw of drain pan 302 for realizing header board 5.
Preferably, the drain pan 302 in the utility model and back cover 303 are structure as a whole.With reference to Fig. 2 and Fig. 3, drain pan 302 and back cover 303 can be bent into by a plate, make fixed head assembly 3 structure more stable like this, improve the intensity of power module body structure 1, effectively reduce the failure rate of body structure 1.
Cover plate assembly 7 also can be fixedly connected with by screw with back cover 303 with drain pan 302.With reference to Figure 11, the biside plate 702 of cover plate assembly 7 is also provided with through hole 703.With reference to Fig. 3, drain pan 302 and back cover 303 are provided with bending edge 301, this bending edge 301 bends to box house, and bending edge 301 is provided with the first screwed hole 306, the first screwed hole 306 on drain pan 302 matches with the through hole 703 on biside plate 702, so can realize being fixedly connected with of biside plate 702 and drain pan 302 by screw.
In order to improve the radiating effect of power module body structure 1 further, with reference to Fig. 2 and Figure 12, can arrange louvre 304 on cover plate assembly 7, drain pan 302 and back cover 303, this louvre 304 is through hole, to strengthen the heat-sinking capability of whole body structure 1.
It should be noted that, except adopting the version in above-mentioned each technical scheme, header board 5, drain pan 302 and back cover 303 also can adopt integrative-structure according to actual loading situation, are namely bent into a plate; Or three can also be trimeric structure, is made up of three plates.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a power module body structure (1), it is characterized in that, comprise heat abstractor (2), cover plate assembly (7) and fixed head assembly (3), described fixed head assembly (3) comprises drain pan (302) and back cover (303), described fixed head assembly (3) is for fixing described cover plate assembly (7) and described heat abstractor (2), and described heat abstractor (2) is arranged at the centre position of described fixed head assembly (3).
2. body structure according to claim 1 (1), it is characterized in that, described heat abstractor (2) comprises equally distributed first heat-sink unit (201) of fin and the second heat-sink unit (202), and the first heat-sink unit (201) and the second heat-sink unit (202) are arranged side by side together.
3. body structure according to claim 1 (1), it is characterized in that, described fixed head assembly (3) also comprises a header board (5), and described heat abstractor (2) is fixedly connected with described back cover (303) with described header board (5), described drain pan (302) respectively.
4. body structure according to claim 3 (1), it is characterized in that, described header board (5) and described back cover (303) offer front thermovent (505) and rear thermovent (305) respectively, and described front thermovent (505) and described rear thermovent (305) can form the heat dissipation channel of described heat abstractor (2).
5. the body structure (1) according to claim 3 or 4, it is characterized in that, described cover plate assembly (7) comprises top board (701) and biside plate (702), described top board (701) and described biside plate (702) are structure as a whole, described top board (701) is fixedly connected with described back cover (303) respectively with described header board (5), and described biside plate (702) is fixedly connected with described drain pan (302).
6. body structure according to claim 5 (1), it is characterized in that, described header board (5) is provided with flanging (502), described flanging (502) is to the turnover of casing outside, described flanging (502) is provided with the 3rd screwed hole (501), and described header board (5) is fixedly connected with described drain pan (302) with described top board (701) by described 3rd screwed hole (501) by screw respectively.
7. body structure according to claim 1 (1), is characterized in that, described drain pan (302) and described back cover (303) are structure as a whole.
8. body structure according to claim 7 (1), it is characterized in that, described into a single integrated structure drain pan (302) and back cover (303) are with bending edge (301), described bending edge (301) turns down to box house, described bending edge (301) is provided with the first screwed hole (306), and described into a single integrated structure drain pan (302) is fixedly connected with described cover plate assembly (7) with back cover (303) by described first screwed hole (306) by screw.
9. body structure according to claim 1 (1), is characterized in that, described cover plate assembly (7), described drain pan (302) and described back cover (303) are provided with louvre (304).
10. body structure according to claim 1 (1), is characterized in that, the fin of described heat abstractor (2) is made up of aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420745872.6U CN204335250U (en) | 2014-12-02 | 2014-12-02 | A kind of power module body structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420745872.6U CN204335250U (en) | 2014-12-02 | 2014-12-02 | A kind of power module body structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204335250U true CN204335250U (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420745872.6U Active CN204335250U (en) | 2014-12-02 | 2014-12-02 | A kind of power module body structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204335250U (en) |
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2014
- 2014-12-02 CN CN201420745872.6U patent/CN204335250U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |