CN210201697U - Heat dissipation device for multi-power module frequency converter - Google Patents
Heat dissipation device for multi-power module frequency converter Download PDFInfo
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- CN210201697U CN210201697U CN201921113035.0U CN201921113035U CN210201697U CN 210201697 U CN210201697 U CN 210201697U CN 201921113035 U CN201921113035 U CN 201921113035U CN 210201697 U CN210201697 U CN 210201697U
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- power module
- frequency converter
- heat exchanger
- heat dissipation
- wind
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- 230000017525 heat dissipation Effects 0.000 title claims description 30
- 238000009423 ventilation Methods 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 18
- 239000011324 bead Substances 0.000 abstract description 13
- 238000001816 cooling Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model provides a heat abstractor for many power module converter, including fan, heat exchanger, deep bead and power module installing zone. Wherein, a plurality of power modules are installed to the power module installing zone, are equipped with the ventilation clearance between the adjacent power module. The wind deflector is disposed between the heat exchanger and the fan and is connected to a side of the first power module proximate to a ventilation gap between the first power module and the second power module. The fan sets up the one side the same with the ventilation gap on being close to the deep bead, and the heat exchanger setting is being close to the deep bead one side that carries on the back mutually with the ventilation gap. The utility model provides a heat abstractor for multi-power module converter can solve the current not good problem of converter radiating effect that adopts the multi-power module to connect in parallel.
Description
Technical Field
The utility model relates to an electronic equipment technical field, concretely relates to heat abstractor for multi-power module converter.
Background
In the field of industrial control, the application of frequency converters has become the trend of motor speed regulation, and the frequency converters are popularized and applied in various industries such as steel, ships, central air conditioners and the like. With the increasing personalized demands of customers on frequency converter products, the frequency converter also shows the trend of customization and diversification. In order to meet the reasons of market diversification and cost control, the parallel connection mode of multiple power modules is increasing. For a frequency converter adopting a plurality of power modules connected in parallel, the modules are compact and serve as the power module parts of the main heating elements, and the existing heat dissipation mode has the problem of poor heat dissipation effect.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide one kind and can solve the current not good problem of converter radiating effect who adopts the multi-power module to connect in parallel.
In order to solve the technical problem, the utility model provides a technical scheme does:
a heat dissipation device for a multi-power module frequency converter comprises a fan, a heat exchanger, a wind shield and a power module mounting area. Wherein, a plurality of power modules are installed to the power module installing zone, are equipped with the ventilation clearance between the adjacent power module. The wind deflector is disposed between the heat exchanger and the fan and is connected to a side of the first power module proximate to a ventilation gap between the first power module and the second power module. The fan sets up the one side the same with the ventilation gap on being close to the deep bead, and the heat exchanger setting is being close to the deep bead one side that carries on the back mutually with the ventilation gap.
According to the utility model discloses a heat abstractor for many power module converter will blow in the ventilation gap from the cold air of heat exchanger cooling through the fan is concentrated under the effect of deep bead, passes through from power module the place ahead, and after the cold air carries out the heat exchange through power device, the hot-air flows in the heat exchanger. After cooling by the heat exchanger, the cool air flows into the power module back duct. Adopt heat exchanger and air-cooled heat dissipation form, can strengthen the radiating efficiency to adopt the radiating mode of inner loop can promote the protection level of converter.
With respect to the above technical solution, further improvements as described below can be made.
According to the utility model discloses a heat abstractor for many power module converter, in a preferred embodiment, all be equipped with the deep bead on second power module to the position that corresponds with first power module on the penultimate power module. Fans are arranged at the positions corresponding to the wind shields connected with the second power module to the penultimate power module.
By arranging the fan at a position close to each ventilation gap, each power module can be ensured to be subjected to the cooling effect of the cold distribution, so that the heat dissipation of the power modules in the whole frequency converter is uniform.
Further, in a preferred embodiment, the side edges of the power modules on both sides of the ventilation gap are made of hollow-out mesh plates.
The side edges of the power modules on the two sides of the ventilation gap are designed to be hollow-out mesh plate structures, so that the heat dissipation capacity of devices inside the power meter module can be further improved.
Further, in a preferred embodiment, the wind deflector is provided with a sealing strip on the side connected with the power module.
Through setting up the sealing strip, can prevent that the gap between deep bead and the power module from leaking out and influencing the radiating effect.
In particular, in a preferred embodiment, the sealing strip comprises a hollow-cylindrical structure and a hollow-cylindrical structure with a cutout, which is snapped onto the side of the wind deflector that is connected to the power module.
The sealing strip with the structure can be extremely conveniently installed on the side edge of the wind shield, and the whole sealing strip is high in structural strength and good in sealing performance.
Specifically, in a preferred embodiment, the wind deflector is a metal plate, and the metal plate has a concave-convex structure along both sides in the longitudinal direction and an extension portion bent to form an angle with the longitudinal direction.
The wind shield with the structure is high in structural strength, good in wind guiding effect and capable of reasonably arranging the fan and the heat exchanger through the concave-convex structure, so that the whole heat dissipation device is compact in structure and good in heat dissipation effect.
Further, in a preferred embodiment, the angle between the extension and the longitudinal direction is greater than 90 degrees and less than 180 degrees.
The extension part which is set to be obtuse angle can further enhance the wind guiding effect of the wind deflector on cold air, and the direction of cold air blown by the fan is guided to intensively pass through the ventilation gap.
Specifically, in a preferred embodiment, the heat exchanger and the fan are connected with the cabinet body of the frequency converter in a threaded connection mode. The whole heat dissipation device can be simply and conveniently installed and maintained by adopting a threaded connection mode.
Specifically, in a preferred embodiment, the wind deflector is connected with the cabinet body of the frequency converter in a welding mode. Adopt the welded mode can ensure that the connection of deep bead and cabinet body is reliable and stable.
Compared with the prior art, the utility model has the advantages of: the problem of current converter radiating effect that adopts many power module to connect in parallel not good can be solved.
Drawings
The present invention will be described in more detail hereinafter based on embodiments and with reference to the accompanying drawings. Wherein:
fig. 1 schematically shows a front view structure of a heat dissipating device according to embodiment 1 of the present invention;
fig. 2 schematically shows a top view structure of the heat dissipating apparatus according to embodiment 1 of the present invention;
FIG. 3 schematically illustrates the positional relationship of a wind deflector, a fan, and a heat exchanger according to an embodiment of the present invention;
figure 4 schematically illustrates the overall structure of a wind deflector according to an embodiment of the invention;
fig. 5 schematically shows a top view structure of the heat dissipation device according to embodiment 2 of the present invention.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
Detailed Description
The invention will be described in further detail with reference to the drawings and specific examples, without thereby limiting the scope of the invention.
Fig. 1 schematically shows a front view structure of a heat dissipation device 10 according to embodiment 1 of the present invention. Fig. 2 schematically shows a top view structure of the heat dissipation device 10 according to embodiment 2 of the present invention. Fig. 3 schematically shows the positional relationship of the wind guard 3, the fan 1, and the heat exchanger 2 according to the embodiment of the present invention. Fig. 4 schematically shows the overall structure of the wind deflector 3 according to the embodiment of the present invention. Fig. 5 schematically shows a top view structure of a heat sink 10' according to embodiment 2 of the present invention.
Example 1
As shown in fig. 1, fig. 2 and fig. 3, a heat dissipation device 10 for a multi-power module frequency converter according to an embodiment of the present invention includes a fan 1, a heat exchanger 2, a wind shield 3 and a power module installation area 4. Wherein, two power modules 5 are installed to power module installing region 4, are equipped with ventilation gap 6 between the adjacent power module 5. The wind deflector 3 is arranged between the heat exchanger 2 and the fan 1, and the wind deflector 3 is connected to a side of the first power module 5 which is adjacent to the ventilation gap 6 between the first power module 5 and the second power module 5. The fan 1 is arranged on the same side of the wind shield 3 as the ventilation gap 6, and the heat exchanger 2 is arranged on the side of the wind shield 3 opposite to the ventilation gap 6. According to the utility model discloses a heat abstractor for many power module converter blows in ventilation gap in will following the cold air of heat exchanger cooling through the fan under the effect of deep bead is concentrated, passes through from power module the place ahead, and after the cold air carries out the heat exchange through power device, the hot-air flows in the heat exchanger. After cooling by the heat exchanger, the cool air flows into the power module back duct. Adopt heat exchanger and air-cooled heat dissipation form, can strengthen the radiating efficiency to adopt the radiating mode of inner loop can promote the protection level of converter. Further, in this embodiment, the side edges of the power modules 5 at the two sides of the ventilation gap 6 are hollow-out net plates. The side edges of the power modules on the two sides of the ventilation gap are designed to be hollow-out mesh plate structures, so that the heat dissipation capacity of devices inside the power meter module can be further improved.
Further, in the present embodiment, as shown in fig. 3 and 4, the wind deflector 3 is provided with a sealing strip 7 on the side connected to the power module 5. Through setting up the sealing strip, can prevent that the gap between deep bead and the power module from leaking out and influencing the radiating effect. Specifically, in the present embodiment, the weather strip 7 includes a hollow cylindrical structure 71 and a notched hollow cylindrical structure 72, and the notched hollow cylindrical structure 72 is crimped on the side of the windshield 3 connected to the power module 5. The sealing strip with the structure can be extremely conveniently installed on the side edge of the wind shield, and the whole sealing strip is high in structural strength and good in sealing performance.
Specifically, as shown in fig. 3 and 4, in the present embodiment, the wind deflector 3 is a metal plate, and the metal plate has a structure 31 that is concave-convex on both sides in the longitudinal direction and an extension portion 32 that forms an angle with the longitudinal direction by being bent. The wind shield with the structure is high in structural strength, good in wind guiding effect and capable of reasonably arranging the fan and the heat exchanger through the concave-convex structure, so that the whole heat dissipation device is compact in structure and good in heat dissipation effect. Further, in the present embodiment, the angle between the extension portion 32 and the longitudinal direction is greater than 90 degrees and less than 180 degrees. The extension part which is set to be obtuse angle can further enhance the wind guiding effect of the wind deflector on cold air, and the direction of cold air blown by the fan is guided to intensively pass through the ventilation gap.
Preferably, in the present embodiment, the heat exchanger 2 and the fan 1 are connected with the cabinet of the frequency converter by means of screw connection. The whole heat dissipation device can be simply and conveniently installed and maintained by adopting a threaded connection mode. The wind shield 3 is connected with the cabinet body of the frequency converter in a welding mode. Adopt the welded mode can ensure that the connection of deep bead and cabinet body is reliable and stable.
Example 2
As shown in fig. 3 and 5, the heat dissipation device 10' for a multi-power module frequency converter according to an embodiment of the present invention includes a fan 1, a heat exchanger 2, a wind shield 3, and a power module installation area 4. Wherein, power module installing zone 4 installs at least three power module 5, is equipped with ventilation gap 6 between the adjacent power module 5. The wind deflector 3 is arranged between the heat exchanger 2 and the fan 1, and the wind deflector 3 is connected to a side of the first power module 5 which is adjacent to the ventilation gap 6 between the first power module 5 and the second power module 5. The fan 1 is arranged on the same side of the wind shield 3 as the ventilation gap 6, and the heat exchanger 2 is arranged on the side of the wind shield 3 opposite to the ventilation gap 6. According to the utility model discloses a heat abstractor for many power module converter blows in ventilation gap in will following the cold air of heat exchanger cooling through the fan under the effect of deep bead is concentrated, passes through from power module the place ahead, and after the cold air carries out the heat exchange through power device, the hot-air flows in the heat exchanger. After cooling by the heat exchanger, the cool air flows into the power module back duct. Adopt heat exchanger and air-cooled heat dissipation form, can strengthen the radiating efficiency to adopt the radiating mode of inner loop can promote the protection level of converter.
In the present embodiment, as shown in fig. 5, it is preferable that wind deflectors 3 are provided at positions corresponding to the first power module 5 on the second power module 5 to the second last power module 5. The fans 1 are arranged at corresponding positions close to the wind shields 3 connected with the second power module 5 to the penultimate power module 5. By arranging the fan at a position close to each ventilation gap, each power module can be ensured to be subjected to the cooling effect of the cold distribution, so that the heat dissipation of the power modules in the whole frequency converter is uniform.
According to the embodiments, it can be seen that the heat dissipation device for the multi-power module frequency converter, which is provided by the invention, can solve the problem that the existing frequency converter adopting the multi-power modules connected in parallel has a poor heat dissipation effect.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not intended to be limited to the particular embodiments disclosed herein, but rather to include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A heat dissipation device for a multi-power module frequency converter is characterized by comprising a fan, a heat exchanger, a wind shield and a power module mounting area; wherein,
the power module mounting area is provided with a plurality of power modules, and ventilation gaps are formed between the adjacent power modules;
the wind deflector is arranged between the heat exchanger and the fan, and is connected with the side part of the first power module close to the ventilation gap between the first power module and the second power module;
the fan is arranged on one side, close to the wind shield, of the wind shield, the side, close to the wind shield, of the heat exchanger is the same as the ventilation gap, and the side, close to the wind shield, of the heat exchanger is back to the ventilation gap.
2. The heat dissipating device for a multi-power module inverter according to claim 1, wherein the wind shields are provided at positions corresponding to the first power module from the second power module to the penultimate power module;
the fans are arranged at the positions corresponding to the wind shields connected with the second power module to the penultimate power module.
3. The heat dissipation device for a multi-power module frequency converter according to claim 1 or 2, wherein the side edges of the power modules at two sides of the ventilation gap are hollowed out net plates.
4. The heat dissipating device for a multi-power module inverter according to claim 1 or 2, wherein a sealing strip is disposed on a side of the wind shield connected to the power module.
5. The heat sink assembly according to claim 4, wherein the sealing strip comprises a hollow cylindrical structure and a notched hollow cylindrical structure, and the notched hollow cylindrical structure is fastened and pressed on the side of the wind deflector connected to the power module.
6. The heat dissipating device for a multi-power module inverter according to claim 1 or 2, wherein the wind shielding plate is a metal plate, and the metal plate has a concave-convex structure along two longitudinal sides and an extending portion bent to form an angle with the longitudinal direction.
7. The heat sink assembly of claim 6, wherein the angle between the extension portion and the longitudinal direction is greater than 90 degrees and less than 180 degrees.
8. The heat dissipation device for a multi-power module frequency converter according to claim 1 or 2, wherein the fan is connected with the cabinet of the frequency converter in a threaded manner.
9. The heat dissipation device for the frequency converter with multiple power modules as claimed in claim 1 or 2, wherein the heat exchanger is connected with the cabinet of the frequency converter in a threaded manner.
10. The heat dissipation device for a multi-power module frequency converter according to claim 1 or 2, wherein the wind shield is connected with the cabinet of the frequency converter in a welding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921113035.0U CN210201697U (en) | 2019-07-16 | 2019-07-16 | Heat dissipation device for multi-power module frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921113035.0U CN210201697U (en) | 2019-07-16 | 2019-07-16 | Heat dissipation device for multi-power module frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210201697U true CN210201697U (en) | 2020-03-27 |
Family
ID=69867850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921113035.0U Active CN210201697U (en) | 2019-07-16 | 2019-07-16 | Heat dissipation device for multi-power module frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210201697U (en) |
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2019
- 2019-07-16 CN CN201921113035.0U patent/CN210201697U/en active Active
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