CN220210840U - Heat dissipation air duct structure for power module - Google Patents
Heat dissipation air duct structure for power module Download PDFInfo
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- CN220210840U CN220210840U CN202321364967.9U CN202321364967U CN220210840U CN 220210840 U CN220210840 U CN 220210840U CN 202321364967 U CN202321364967 U CN 202321364967U CN 220210840 U CN220210840 U CN 220210840U
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- heat dissipation
- main
- air duct
- air
- wind channel
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 84
- 238000005192 partition Methods 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a heat dissipation air duct structure for a power module, which relates to the technical field of heat dissipation and comprises a main shell, a main air duct outer cover, a baffle, a first heat dissipation fan and a second heat dissipation fan, wherein the inside of the main shell is a cavity, the main air duct outer cover is arranged in the cavity, the inner side of the main air duct outer cover is a main heat dissipation air duct, the outer side of the main air duct outer cover is an auxiliary heat dissipation air duct, the first heat dissipation fan is arranged on one side of the main air duct outer cover, the second heat dissipation fan is arranged in the auxiliary heat dissipation air duct, a first air outlet and a second air outlet are arranged on one side of the main shell, and the baffle is rotatably arranged on the other side of the main air duct outer cover. According to the utility model, the inner part of the cavity is divided into the main heat dissipation air channel and the auxiliary heat dissipation air channel through the arrangement of the main air channel outer cover, so that the heat dissipation efficiency is improved, the back and forth switching between the main heat dissipation air channel and the auxiliary heat dissipation air channel can be realized through the rotation of the baffle plate, and a plurality of heat dissipation modes can be provided for selection, so that the heat dissipation is facilitated.
Description
Technical Field
The utility model relates to the technical field of heat dissipation, in particular to a heat dissipation air duct structure for a power module.
Background
In the field of power electronics, as the output capacity of a converter increases, the capacity of a power module (Powermodule) formed of a high-capacity power semiconductor device also increases. The large capacity power module generates a lot of heat during operation, and ventilation equipment is required to dissipate heat.
In the prior art, through fixing power module and radiator fan in the cavity, set the one end of cavity into the wind channel air intake, the other end of cavity is set up to the wind channel air outlet, inhales outside cold wind to the cavity in by the wind channel air intake through radiator fan work to by wind channel air outlet discharge, thereby drive the heat that power module produced.
However, in the prior art, the air duct structure is single, only one mode of heat dissipation can be realized, the switching of multiple heat dissipation modes can not be realized, and the area of the air outlet is fixed, so that the heat dissipation of the cavity is not facilitated.
Disclosure of Invention
The utility model aims to provide a radiating air duct structure for a power module, which is used for solving the technical problems.
The technical scheme adopted by the utility model is as follows:
the utility model provides a heat dissipation wind channel structure for power module, includes main casing, main wind channel dustcoat, baffle, first radiator fan and second radiator fan, the inside of main casing is the cavity, be equipped with in the cavity the main wind channel dustcoat, the inboard of main wind channel dustcoat is main heat dissipation wind channel, the outside of main wind channel dustcoat is supplementary heat dissipation wind channel, one side of main wind channel dustcoat is equipped with first radiator fan, be equipped with in the supplementary heat dissipation wind channel second radiator fan, one side of main casing is equipped with first air outlet and second air outlet, first air outlet with main heat dissipation wind channel intercommunication, the second air outlet with supplementary heat dissipation wind channel intercommunication, the baffle rotationally is located the opposite side of main wind channel dustcoat is used for opening or closing supplementary heat dissipation wind channel.
Preferably, the air conditioner further comprises a baffle plate, wherein two baffle plates are arranged in the cavity, the baffle plate divides the cavity into a first inner cavity and a second inner cavity, the baffle plate is positioned on the other side of the main air duct outer cover, a notch is formed in the baffle plate, and the baffle plate is arranged in the first inner cavity and is rotatably connected with inner walls on two sides of the notch.
As a further preferable mode, the main air duct is arranged in the second inner cavity in a covering mode, and the second air outlet is communicated with the first inner cavity.
As a further preferred aspect, the baffle plate includes a first plate and a second plate, one end of the first plate is connected with the second plate, the first plate is connected with the second plate to form an L-shaped arrangement, and a ventilation grid is arranged on the first plate.
As a further preferable mode, two rotating shafts are arranged on two sides of the included angle of the baffle, and the baffle is rotatably connected with inner walls of two sides of the notch through the two rotating shafts.
As a further preferable mode, a first air port is formed in the other end of the main air duct outer cover, a second air port is formed in one side of the other end of the main air duct outer cover, the first air port is opposite to the notch, and the second air port is communicated with the first air outlet.
Preferably, the fan further comprises a cover plate, the cover plate is arranged on the other side of the main shell, and the second cooling fan is arranged on the cover plate.
The technical scheme has the following advantages or beneficial effects:
according to the utility model, the inner part of the cavity is divided into the main heat dissipation air channel and the auxiliary heat dissipation air channel through the arrangement of the main air channel outer cover, so that the heat dissipation efficiency is improved, the back and forth switching between the main heat dissipation air channel and the auxiliary heat dissipation air channel can be realized through the rotation of the baffle plate, and a plurality of heat dissipation modes can be provided for selection, so that the heat dissipation is facilitated.
Drawings
FIG. 1 is an exploded view of a second radiator fan of the present utility model when activated;
fig. 2 is a sectional view of the second radiator fan of the present utility model when started;
FIG. 3 is an exploded view of the second radiator fan of the present utility model when not activated;
fig. 4 is a cross-sectional view of the second radiator fan of the present utility model when not activated;
fig. 5 is a schematic view of the structure of the baffle plate in the present utility model.
In the figure: 1. a main housing; 2. a main air duct housing; 3. a baffle; 301. a first plate; 302. a second plate; 303. a ventilation grid; 304. a rotating shaft; 4. a first heat radiation fan; 5. a second heat radiation fan; 6. a main heat dissipation air duct; 7. an auxiliary heat dissipation air duct; 8. a first air outlet; 9. a second air outlet; 10. a partition plate; 11. a notch; 12. a cover plate; 13. a chamber; 14. a first lumen; 15. a second lumen; 16. and an air inlet.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
In the description of the present utility model, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
FIG. 1 is an exploded view of a second radiator fan of the present utility model when activated; fig. 2 is a sectional view of the second radiator fan of the present utility model when started; FIG. 3 is an exploded view of the second radiator fan of the present utility model when not activated; fig. 4 is a cross-sectional view of the second radiator fan of the present utility model when not activated;
fig. 5 is a schematic structural diagram of a baffle in the present utility model, please refer to fig. 1 to 5, which shows a preferred embodiment, a heat dissipation air duct structure for a power module is shown, which includes a main housing 1, a main air duct housing 2, a baffle 3, a first heat dissipation fan 4 and a second heat dissipation fan 5, wherein a cavity 13 is formed in the main housing 1, the main air duct housing 2 is disposed in the cavity 13, the inner side of the main air duct housing 2 is a main heat dissipation air duct 6, the outer side of the main air duct housing 2 is an auxiliary heat dissipation air duct 7, one side of the main air duct housing 2 is provided with the first heat dissipation fan 4, the auxiliary heat dissipation air duct 7 is provided with the second heat dissipation fan 5, one side of the main housing 1 is provided with the first air outlet 8 and the second air outlet 9, the first air outlet 8 is communicated with the main heat dissipation air duct 6, the second air outlet 9 is communicated with the auxiliary heat dissipation air duct 7, and the baffle 3 is rotatably disposed on the other side of the main air duct housing 2 for opening or closing the auxiliary heat dissipation air duct 7. In this embodiment, referring to fig. 1 and 2, the main air duct housing 2 divides the chamber 13 of the main housing 1 into the main heat dissipation air duct 6 and the auxiliary heat dissipation air duct 7, where the main heat dissipation air duct 6 and the auxiliary heat dissipation air duct 7 can be ventilated and dissipated separately, and can be ventilated and dissipated simultaneously, so that the heat dissipation effect can be improved. The baffle 3 can rotate to realize the switching between the main heat dissipation air duct 6 and the auxiliary heat dissipation air duct 7, so that the air flow in the main heat dissipation air duct 6 is discharged from the first air outlet 8 or is discharged from the first air outlet 8 and the second air outlet 9 simultaneously. Referring to fig. 2, the first air outlet 8 is provided at the lower side of the second air outlet 9.
Further, as a preferred embodiment, the air conditioner further comprises a partition board 10, two partition boards 10 are arranged in the cavity 13, the partition board 10 divides the cavity 13 into a first inner cavity 14 and a second inner cavity 15, the partition board 10 is located at the other side of the main air duct housing 2, a notch 11 is formed in the partition board 10, and the baffle 3 is arranged in the first inner cavity 14 and is rotatably connected with inner walls of two sides of the notch 11. The main air duct housing 2 is arranged in the second inner cavity 15, and the second air outlet 9 is communicated with the first inner cavity 14. As a preferred embodiment, the baffle 3 includes a first plate 301 and a second plate 302, one end of the first plate 301 is connected to the second plate 302, the first plate 301 and the second plate 302 are connected in an L-shaped arrangement, and the first plate 301 is provided with a ventilation grid 303. The other end of the main air duct outer cover 2 is provided with a first air opening, one side of the other end of the main air duct outer cover 2 is provided with a second air opening, the first air opening is opposite to the notch 11, and the second air opening is communicated with the first air outlet 8. Referring to fig. 2, 4 and 5, the ventilation grid 303 provided on the first plate 301 may be used for air flow, wherein the rotation of the baffle 3 may be controlled by the size of the air flow, and the force applied to the baffle 3 by the air flow in the auxiliary heat dissipation air duct 7 is greater than the force applied to the baffle 3 by the air flow in the main heat dissipation air duct 6, so that the air flow in the auxiliary heat dissipation air duct 7 pushes the baffle 3 to rotate, and the second plate 302 blocks the first air port. When the second plate 302 blocks the first air port, the main heat dissipation air duct 6 is not communicated with the auxiliary heat dissipation channel, and the main heat dissipation air duct 6 is not communicated with the second air outlet 9; when the second plate 302 blocks the first inner cavity 14, the main heat dissipation air duct 6 at this time is communicated with the first air outlet 8 and the second air outlet 9.
Further, as a preferred embodiment, two rotating shafts 304 are disposed at two sides of the included angle of the baffle 3, and the baffle 3 is rotatably connected with two inner walls of the notch 11 through the two rotating shafts 304. In this embodiment, mounting holes are formed on the inner walls of the two sides of the notch 11, and the rotating shaft 304 is disposed in the mounting holes.
Further, as a preferred embodiment, the heat dissipation device further comprises a cover plate 12, the cover plate 12 is arranged on the other side of the main casing 1, and the second heat dissipation fan 5 is arranged on the cover plate 12. Referring to fig. 1 and 2, the other side of the main casing 1 is provided with an opening, the cover plate 12 is arranged at the opening for closing the opening, an air inlet 16 is arranged at one end of the main casing 1, a power module is arranged at the air inlet 16, when the first cooling fan 4 and the second cooling fan 5 are started, external air enters the cavity 13 through the air inlet 16 and is discharged through the first air outlet 8 and the second air outlet 9, so that heat generated by the power module is taken away, and a heat dissipation effect is realized.
In this embodiment, a temperature sensor is disposed on the inner wall of the chamber 13 and is used for detecting the temperature inside the chamber 13, the temperature sensor, the first cooling fan 4 and the second cooling fan 5 can be connected with an external controller, and when the temperature inside the chamber 13 rises to a preset value, the controller can automatically control the first cooling fan 4 and the second cooling fan 5 to be started.
When the air conditioner is used, when the temperature of the cavity 13 is not high, the second cooling fan 5 does not work, the first cooling fan 4 works, the air flow in the main cooling air duct 6 blows the baffle 3 to rotate, the second plate 302 blocks the first inner cavity 14, the first air outlet 8 and the second air outlet 9 at the moment are simultaneously communicated with the main cooling air duct 6, and the air resistance of the air outlet can be reduced by half, so that the quick cooling of the main air duct is facilitated.
When the temperature of the chamber 13 rises to a preset value, the first cooling fan 4 and the second cooling fan 5 work simultaneously, the air flow in the auxiliary cooling air duct 7 pushes the second plate 302 to rotate, so that the second plate 302 blocks the first air opening, the first air outlet 8 is used for the air outlet of the main cooling air duct 6, and the second air outlet 9 is used for the air outlet of the auxiliary cooling air duct 7. This facilitates heat dissipation from the cavity.
In this embodiment, through adopting the design of two air outlets, when only main heat dissipation wind channel 6 during operation, the cross-sectional area of air outlet comprises first air outlet 8 and second air outlet 9, has increased the area of air outlet, has reduced the windage of air outlet, is favorable to the quick circulation of air in main wind channel, increases heat exchange volume.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (7)
1. The utility model provides a heat dissipation wind channel structure for power module, its characterized in that includes main casing, main wind channel dustcoat, baffle, first radiator fan and second radiator fan, the inside of main casing is the cavity, be equipped with in the cavity the main wind channel dustcoat, the inboard of main wind channel dustcoat is main heat dissipation wind channel, the outside of main wind channel dustcoat is supplementary heat dissipation wind channel, one side of main wind channel dustcoat is equipped with first radiator fan, be equipped with in the supplementary heat dissipation wind channel the second radiator fan, one side of main casing is equipped with first air outlet and second air outlet, first air outlet with main heat dissipation wind channel intercommunication, the second air outlet with supplementary heat dissipation wind channel intercommunication, the baffle rotationally is located the opposite side of main wind channel dustcoat is used for opening or closing supplementary heat dissipation wind channel.
2. The heat dissipation air channel structure for a power module as set forth in claim 1, further comprising a partition board, wherein two partition boards are arranged in the cavity, the partition board divides the cavity into a first inner cavity and a second inner cavity, the partition board is located at the other side of the main air channel outer cover, a notch is formed in the partition board, and the partition board is arranged in the first inner cavity and is rotatably connected with inner walls at two sides of the notch.
3. The heat dissipation air duct structure for a power module as set forth in claim 2, wherein said main air duct housing is disposed in said second interior cavity, and said second air outlet communicates with said first interior cavity.
4. The heat dissipation air duct structure for a power module as set forth in claim 2, wherein the baffle plate comprises a first plate and a second plate, one end of the first plate is connected with the second plate, the first plate is connected with the second plate in an L-shaped configuration, and a ventilation grid is provided on the first plate.
5. The heat dissipation air channel structure for a power module as set forth in claim 4, wherein two rotating shafts are provided at both sides of the included angle of the baffle plate, and the baffle plate is rotatably connected with both side inner walls of the notch through the two rotating shafts.
6. The heat dissipation air duct structure for a power module as set forth in claim 2, wherein a first air port is provided at the other end of the main air duct housing, a second air port is provided at one side of the other end of the main air duct housing, the first air port is opposite to the notch, and the second air port is communicated with the first air outlet.
7. The heat dissipation duct structure for a power module of claim 1, further comprising a cover plate, wherein the cover plate is disposed on the other side of the main housing, and the second heat dissipation fan is disposed on the cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321364967.9U CN220210840U (en) | 2023-05-31 | 2023-05-31 | Heat dissipation air duct structure for power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321364967.9U CN220210840U (en) | 2023-05-31 | 2023-05-31 | Heat dissipation air duct structure for power module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220210840U true CN220210840U (en) | 2023-12-19 |
Family
ID=89142620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321364967.9U Active CN220210840U (en) | 2023-05-31 | 2023-05-31 | Heat dissipation air duct structure for power module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220210840U (en) |
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2023
- 2023-05-31 CN CN202321364967.9U patent/CN220210840U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240109 Address after: Room 102, 1st Floor, Building 1, No. 211 Chuanda Road, Pudong New Area, Shanghai, May 2012 Patentee after: Shanghai Kuchong Electronic Technology Co.,Ltd. Address before: Floor 2, building 1, No. 211, Chuanda Road, Pudong New Area, Shanghai, 201200 Patentee before: Shanghai Wanji Electronic Technology Co.,Ltd. |