CN218772770U - Heat radiation structure, dc-to-ac converter and converter of power device - Google Patents
Heat radiation structure, dc-to-ac converter and converter of power device Download PDFInfo
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- CN218772770U CN218772770U CN202221580053.1U CN202221580053U CN218772770U CN 218772770 U CN218772770 U CN 218772770U CN 202221580053 U CN202221580053 U CN 202221580053U CN 218772770 U CN218772770 U CN 218772770U
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- heat dissipation
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- heat
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Abstract
The utility model discloses a power device's heat radiation structure, dc-to-ac converter and converter, it is right to include power device carries out radiating radiator, right the radiator carries out refrigerated centrifugal fan, the radiator include the radiator body and set up in radiating fin on the radiator body, the radiator body is along the vertical putting of its length direction, radiating fin along two at least heat dissipation areas are cut apart into to the length direction of radiator body, and this power device's heat radiation structure divide into two at least heat dissipation areas with the radiating fin of radiator, and two heat dissipation areas use ring temperature cold wind to cool off, have reduced thermal conduction and accumulation in the vertical direction, use a centrifugal fan to cool off respectively different device and heat dissipation area, have reduced the temperature and the heat dissipation cost of device.
Description
Technical Field
The utility model relates to a power electronic device assembly processing technology field especially relates to a heat radiation structure and dc-to-ac converter of power device.
Background
In an electric power system, particularly a photovoltaic power generation system, an inverter is an important device for converting direct current into alternating current, and mainly comprises an inverter main body, a radiator and a heating power device, wherein in order to ensure the normal application of equipment and the service life of the device, the heating power device needs to use the radiator and an external cooling fan to take away heat and dissipate the heat to air, so that the heat is kept within a proper use temperature. Because the air outlet direction of the axial flow fan can only be along the normal direction of one surface, only one radiator can be cooled, and along with the increase of the power density of the inverter, the number of the heat radiation fans needs to be increased for a plurality of radiator scenes of the high-power inverter, and the heat radiation cost is increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a heat radiation structure of power device, this heat radiation structure of power device divide into two at least heat dissipation regions with the radiating fin of radiator, and two heat dissipation regions use ring temperature cold wind to cool off, have reduced thermal conduction and accumulation in the vertical direction, use a centrifugal fan to cool off respectively to different device and heat dissipation region, have reduced the temperature and the heat dissipation cost of device.
For solving the technical problem, the utility model provides a heat radiation structure of power device, it is right to include that power device carries out radiating radiator, right the radiator carries out refrigerated centrifugal fan, the radiator include the radiator body and set up in radiating fin on the radiator body, the radiator body is vertical along its length direction puts, radiating fin along two at least heat dissipation regions are cut apart into to the length direction of radiator body, centrifugal fan places in the length direction of radiator body between per two adjacent radiating fin region.
Preferably, the air outlet direction of the centrifugal fan is perpendicular to the normal direction of the plane on which the heat dissipation fins are mounted on the heat sink body.
Preferably, the heat dissipation fin is divided into a first heat dissipation area and a second heat dissipation area along a length direction of the heat sink body, and two air ducts are formed in an air outlet direction of the centrifugal fan along the first heat dissipation area and the second heat dissipation area.
Preferably, the power device is arranged on one side of the radiator body, which is far away from the radiator fins, and the air outlet area of the centrifugal fan is an area between the radiator body and the outermost end of one side of the radiator fins, which is far away from the power device.
Preferably, the heat dissipation fins of the heat sink are plate-type heat dissipation fins or cylindrical heat dissipation fins.
Preferably, the angle theta formed by the roots of the radiating fins and the radiator body is less than or equal to 90 degrees.
Preferably, the cross section of the heat dissipating fin along the longitudinal direction of the heat sink is arc-shaped, rectangular, or corrugated.
In order to solve the problem, the utility model also discloses an inverter, including foretell power device's heat radiation structure.
After the structure is adopted, the power device heat dissipation structure comprises a heat radiator for dissipating heat of the power device and a centrifugal fan for cooling the heat radiator, wherein the heat radiator comprises a heat radiator body and heat dissipation fins arranged on the heat radiator body; the heat dissipation structure of the power device divides the heat dissipation fins of the heat radiator into at least two heat dissipation areas, the two heat dissipation areas are cooled by using ring-temperature cold air, heat conduction and accumulation in the vertical direction are reduced, different devices and the heat dissipation areas are cooled by using a centrifugal fan respectively, and the temperature and the heat dissipation cost of the devices are reduced.
Drawings
Fig. 1 is a schematic view of a heat dissipation structure of an inverter in the related art;
fig. 2 is an overall structural view of a heat dissipation structure of a power device according to the present invention;
fig. 3 is a left side view of a heat dissipation structure of a power device according to a first embodiment of the present invention;
fig. 4 is a left side view of a heat dissipation structure of a power device according to a second embodiment of the present invention;
fig. 5 is a first cross-sectional view of a heat dissipation fin of a heat dissipation structure of a power device of the present invention along a length direction of the heat sink;
fig. 6 is a cross-sectional view of the heat dissipation fin of the heat dissipation structure of the power device along the length direction of the heat sink.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Referring to fig. 2 and 3, fig. 2 is an overall structural diagram of a heat dissipation structure of a power device of the present invention, and fig. 3 is a left side view of the heat dissipation structure of the power device of the present invention;
the embodiment discloses a heat dissipation structure 10 of a power device, the inverter includes an inverter main body and the power device 11 accommodated in the inverter main body, the heat dissipation structure 10 of the power device includes a heat sink for dissipating heat of the power device 11 and a centrifugal fan 103 for cooling the heat sink, the heat sink includes a heat sink body 101 and heat dissipation fins 102 arranged on the heat sink body 101, the heat sink body 101 is vertically arranged along the length direction of the heat sink body 101, the heat dissipation fins 102 are divided into at least two heat dissipation areas along the length direction of the heat sink body 101, and the centrifugal fan 103 is arranged in an area between every two adjacent heat dissipation fins 102 in the length direction of the heat sink body 101.
In this embodiment, the air outlet direction of the centrifugal fan 103 is perpendicular to the normal 104 direction of the plane on which the heat sink body 101 is mounted with the heat dissipating fins 102.
Example two
Referring to fig. 4, fig. 4 is a left side view of a heat dissipation structure of a power device according to a second embodiment of the present invention;
in the present embodiment, based on the first embodiment, in the present embodiment, the heat dissipation fin 102 is divided into the first heat dissipation area 105 and the second heat dissipation area 106 along the length direction of the heat sink body 101, and two air channels are formed in the air outlet direction of the centrifugal fan 103 along the first heat dissipation area 105 and the second heat dissipation area 106.
The power device 11 is disposed on a side of the heat sink body 101 away from the heat sink fins 102, and an air outlet area of the centrifugal fan 103 is an area between the heat sink body 101 and an outermost end of the heat sink fins 102 far away from the power device 11.
In this embodiment, the preferred heat dissipation fins 102 are sheet-type heat dissipation fins or cylindrical heat dissipation fins, and in other embodiments, the heat dissipation fins 102 may also be other types of fins.
The angle theta formed by the roots of the radiating fins 102 and the radiator body is less than or equal to 90 degrees.
The cross section of the heat dissipating fin 102 along the longitudinal direction of the heat sink is arc-shaped, rectangular, or corrugated.
Referring to fig. 5, the cross section of the heat dissipation fin 102 along the length direction of the heat sink is rectangular;
referring to fig. 6, the cross section of the heat dissipating fin 102 along the length direction of the heat sink is arc-shaped;
the heat dissipation structure 10 of the power device divides the heat dissipation fins of the heat sink into at least two heat dissipation areas, the two heat dissipation areas are cooled by using ring-temperature cold air, heat conduction and accumulation in the vertical direction are reduced, different devices and the heat dissipation areas are cooled by using a centrifugal fan respectively, and the temperature and the heat dissipation cost of the devices are reduced.
EXAMPLE III
The embodiment discloses an inverter, which comprises an inverter main body and a power device accommodated in the inverter main body, wherein the heat dissipation structure is provided in the first embodiment or the second embodiment of the power device.
Example four
The embodiment discloses a converter, which comprises a converter main body and a power device accommodated in the converter main body, wherein the heat dissipation structure is described in the first embodiment or the second embodiment of the power device.
It should be understood that the above is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby, and all the equivalent structures or equivalent processes that are modified by the contents of the specification and the drawings of the present invention or directly or indirectly applied to other related technical fields are also covered by the scope of the present invention.
Claims (9)
1. The utility model provides a heat radiation structure of power device, its characterized in that, including right power device carries out radiating radiator, right the centrifugal fan that the radiator carries out the cooling, the radiator includes the radiator body and sets up in radiating fin on the radiator body, the radiator body is vertically put along its length direction, radiating fin along the length direction of radiator body cuts apart into two at least heat dissipation regions, centrifugal fan places between every two adjacent radiating fin in the length direction of radiator body.
2. The heat dissipation structure of a power device according to claim 1, wherein an air outlet direction of the centrifugal fan is perpendicular to a normal direction of a plane on which the heat dissipation fins are mounted on the heat sink body.
3. The heat dissipation structure of claim 2, wherein the heat dissipation fin is divided into a first heat dissipation area and a second heat dissipation area along a length direction of the heat sink body, and two air channels are formed along the first heat dissipation area and the second heat dissipation area in an air outlet direction of the centrifugal fan.
4. The heat dissipation structure of a power device according to claim 2, wherein the power device is disposed on a side of the heat sink body away from the heat sink fins, and the air outlet area of the centrifugal fan is an area between the heat sink body and an outermost end of the side of the heat sink fins away from the power device.
5. The heat dissipation structure of a power device as claimed in claim 1, wherein the heat dissipation fins of the heat sink are plate-type heat dissipation fins or cylindrical heat dissipation fins.
6. The heat dissipation structure of claim 1, wherein an angle θ formed between the root of the heat dissipation fin and the heat sink body is less than or equal to 90 °.
7. The heat dissipation structure for power devices as claimed in claim 1, wherein the cross section of the heat dissipation fin along the longitudinal direction of the heat sink is circular arc-shaped, rectangular, or corrugated.
8. An inverter, characterized in that the inverter comprises an inverter main body, a power device accommodated in the inverter main body, and the power device adopts the heat dissipation structure of any one of claims 1 to 7.
9. A converter comprising a converter body, a power device housed in said converter body, said power device employing the heat dissipation structure of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221580053.1U CN218772770U (en) | 2022-06-22 | 2022-06-22 | Heat radiation structure, dc-to-ac converter and converter of power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221580053.1U CN218772770U (en) | 2022-06-22 | 2022-06-22 | Heat radiation structure, dc-to-ac converter and converter of power device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218772770U true CN218772770U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221580053.1U Active CN218772770U (en) | 2022-06-22 | 2022-06-22 | Heat radiation structure, dc-to-ac converter and converter of power device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218772770U (en) |
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2022
- 2022-06-22 CN CN202221580053.1U patent/CN218772770U/en active Active
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