CN219698305U - Needle-shaped fin heat radiator applied in frequency converter - Google Patents
Needle-shaped fin heat radiator applied in frequency converter Download PDFInfo
- Publication number
- CN219698305U CN219698305U CN202320965010.3U CN202320965010U CN219698305U CN 219698305 U CN219698305 U CN 219698305U CN 202320965010 U CN202320965010 U CN 202320965010U CN 219698305 U CN219698305 U CN 219698305U
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- China
- Prior art keywords
- pin
- heat dissipation
- frequency converter
- fins
- power module
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Links
- 238000001816 cooling Methods 0.000 claims abstract description 30
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 39
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 241000886569 Cyprogenia stegaria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model discloses a pin fin heat dissipation device applied to a frequency converter, which comprises a power module, a pin fin heat radiator and a cooling part, wherein the pin fin heat radiator comprises a heat dissipation shell and a plurality of pin fins, the pin fins are positioned in the heat dissipation shell and are connected with the inner wall surface of the heat dissipation shell, the power module is attached to and connected with the outer surface of the heat dissipation shell, the cooling part is connected in the heat dissipation shell, and the cooling part faces towards the pin fins. The pin fin radiator is used for absorbing heat of the power module, the heat of the power module is conducted out through the pin fins, and the cooling component cools the pin fins, so that the heat dissipation capacity of the pin fin radiator applied to the frequency converter is effectively improved. Meanwhile, the device is suitable for mass standard product application, and has the characteristics of simple assembly and low cost.
Description
Technical Field
The utility model relates to a pin fin heat dissipation device applied to a frequency converter.
Background
In the working process of the frequency converter, heat is generated due to the loss of the power devices in the main loop, so that the normal operation of electronic equipment is affected, and if the heat dissipation capacity of the frequency converter system is not strong, the internal chip temperature of the power module and the junction temperature of the power module are increased due to the dissipation of power. The failure rate of a power electronic device is exponentially related to its junction temperature, i.e. its performance decreases with increasing junction temperature. The failure rate of the device is increased by 1 time when the working temperature of the device is increased by 10 ℃. Therefore, with the trend of wider and wider application and miniaturization of products of the medium-high power frequency converter, the design of the radiator optimized in the frequency converter system is particularly important in order to improve the working performance and reliability of the frequency converter.
Disclosure of Invention
The utility model aims to overcome the defects existing in the prior art, and provides a needle-shaped fin heat dissipation device applied to a frequency converter.
The utility model is realized by the following technical scheme:
the pin fin radiator comprises a radiating shell and a plurality of pin fins, wherein the pin fins are positioned in the radiating shell and are connected with the inner wall surface of the radiating shell, the power module is attached to and connected with the outer surface of the radiating shell, the cooling part is connected in the radiating shell, and the cooling part faces towards the pin fins.
Further, one side of the heat dissipation shell is provided with a mounting plate, one side of the mounting plate is bonded and connected with the power module, one ends of the needle-shaped fins are connected with the other side of the mounting plate, and the other ends of the needle-shaped fins extend outwards to be protruded along the direction away from the power module.
Further, the plurality of pin fins are arranged in a staggered manner in the cooling direction of the cooling member.
Further, the cooling component comprises a fan housing and a fan, wherein the fan housing is connected into the heat dissipation housing, the fan is connected into the fan housing, and the fan faces the plurality of needle-shaped fins.
Further, one end in the heat dissipation shell is provided with a clamping groove, and the fan shell is detachably connected to the clamping groove.
Further, the number of the fans is two.
Further, the heat dissipation shell and the plurality of needle-shaped fins are integrally formed.
Further, the pin fin radiator is made of aluminum.
The utility model has the beneficial effects that:
the pin fin radiator is used for absorbing heat of the power module, the heat of the power module is conducted out through the pin fins, and the cooling component cools the pin fins. The design of the needle-shaped fins is matched with the cooling part, so that wind resistance is reduced and airflow circulation is accelerated during use, and therefore, the heat dissipation capacity of the needle-shaped fin heat dissipation device applied to the frequency converter is effectively improved. Meanwhile, the device is suitable for mass standard product application, and has the characteristics of simple assembly and low cost.
Drawings
Fig. 1 is a schematic structural diagram of a pin fin heat dissipating device applied in a frequency converter according to an embodiment of the present utility model.
Fig. 2 is a schematic view of another view angle structure of a pin fin heat dissipating device applied in a frequency converter according to an embodiment of the utility model.
Fig. 3 is a schematic bottom view of a pin fin heat dissipating device applied in a frequency converter according to an embodiment of the present utility model.
Fig. 4 is a schematic left-view structure diagram of a pin fin heat dissipating device applied in a frequency converter according to an embodiment of the present utility model.
Reference numerals illustrate:
power module 1
Radiator 2 with needle-shaped fins
Radiating shell 21
Pin fins 22
Cooling part 3
Fan housing 31
Fan 32
Detailed Description
The following description of embodiments refers to the accompanying drawings, which illustrate specific embodiments in which the utility model may be practiced.
As shown in fig. 1, 2, 3 and 4, the present embodiment discloses a pin fin heat dissipation device applied in a frequency converter, the pin fin heat dissipation device applied in the frequency converter includes a power module 1, a pin fin heat sink 2 and a cooling component 3, the pin fin heat sink 2 includes a heat dissipation housing 21 and a plurality of pin fins 22, the pin fins 22 are located in the heat dissipation housing 21, the pin fins 22 are connected to an inner wall surface of the heat dissipation housing 21, the power module 1 is attached to and connected to an outer surface of the heat dissipation housing 21, the cooling component 3 is connected in the heat dissipation housing 21, and the cooling component 3 faces the pin fins 22.
The outer surface of the power module 1 is attached to the outer surface of the heat dissipation shell 21, the power module 1 is connected with the heat dissipation shell 21, the plurality of needle-shaped fins 22 are all located in the heat dissipation shell 21 and connected with the heat dissipation shell 21, heat of the power module 1 is transferred to the heat dissipation shell 21 and the plurality of needle-shaped fins 22, and the cooling part 3 faces the plurality of needle-shaped fins 22 and is used for cooling the plurality of needle-shaped fins 22. The pin fin radiator 2 is used for absorbing heat of the power module 1, heat of the power module 1 is conducted out through the pin fins 22, and the cooling component 3 cools the pin fins 22. The design of the needle-shaped fins 22 is matched with the cooling part 3, so that wind resistance is reduced and air flow is accelerated during use, and therefore, the heat dissipation capacity of the needle-shaped fin heat dissipation device applied to the frequency converter is effectively improved. Meanwhile, the device is suitable for mass standard product application, and has the characteristics of simple assembly and low cost.
In the present embodiment, the cooling member 3 includes a fan housing 31 and a fan 32, the fan housing 31 is connected in the heat dissipation housing 21, the fan 32 is connected in the fan housing 31, and the fan 32 faces the plurality of needle fins 22. The fan 32 is used for cooling the plurality of pin fins 22 in the pin fin radiator 2, when the frequency converter works, the fan 32 blows air flow generated by rotation to the plurality of pin fins 22, and heat exchange is performed by adopting a forced air cooling mode, so that the circulation of the air flow is greatly accelerated, and the heat dissipation capacity of the pin fin radiator applied in the frequency converter is greatly improved. Meanwhile, the fan 32 is arranged in the fan housing 31, the fan housing 31 is connected in the heat dissipation housing 21, the structure is simple, and the installation and the arrangement are very convenient.
Wherein the number of fans 32 is two. Of course, in other embodiments, the number of fans 32 may be plural, and the number is not limited in particular.
One side of the heat dissipation housing 21 is provided with a mounting plate, one side of the mounting plate is bonded and connected to the power module 1, one ends of the plurality of needle fins 22 are connected to the other side of the mounting plate, and the other ends of the plurality of needle fins 22 extend outwards to be protruded along a direction away from the power module 1. The needle-shaped fins 22 and the power module 1 are respectively arranged at two sides of the mounting plate on the heat dissipation shell 21, so that the plurality of needle-shaped fins 22 can rapidly conduct out heat on the power module 1, and the heat dissipation effect of the needle-shaped fin heat dissipation device applied to the frequency converter is further improved.
In the present embodiment, the plurality of needle fins 22 are arranged alternately in the cooling direction of the cooling member 3. The pin fin radiator 2 is designed by adopting a plurality of pin fins 22 and is distributed in a staggered way, and air flow generated when the fan 32 rotates can uniformly pass through the plurality of pin fins 22.
One end of the heat dissipation housing 21 is provided with a clamping groove, and the fan housing 31 is detachably connected to the clamping groove. The fan housing 31 is connected to the clamping groove, so that the installation and connection are very convenient, and the structure is simple.
In the present embodiment, the heat dissipation case 21 and the plurality of pin fins 22 are integrally formed. In terms of structure, the needle-shaped fin radiator 2 is integrally formed, can be flexibly adapted according to the requirements of products, and can be integrally formed by a clamping groove, a shell buckle, a mounting support post, a mounting base and the like of the fan. The processing and manufacturing are very convenient, and the structural strength is high and the stability is high.
In this embodiment, the pin fin heat sink 2 is made of aluminum. The needle-shaped fin radiator 2 is designed by adopting integral cast aluminum, and has high radiating effect and low cost. Is suitable for mass standard product application, and has the characteristics of simple assembly and low cost. Meanwhile, in the aspect of heat radiation performance, the fin design is low in wind resistance coefficient when being matched with the cooling part 3 for use, so that air flow can be quickened, and the heat radiation performance can be effectively improved.
The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.
Claims (8)
1. The pin fin radiator comprises a radiating shell and a plurality of pin fins, wherein the pin fins are positioned in the radiating shell and are connected with the inner wall surface of the radiating shell, the power module is attached to and connected with the outer surface of the radiating shell, the cooling part is connected in the radiating shell, and the cooling part faces towards the pin fins.
2. The pin fin heat sink for use in a frequency converter as claimed in claim 1, wherein one side of the heat sink housing has a mounting plate, one side of the mounting plate is attached to and connected to the power module, one ends of a plurality of pin fins are connected to the other side of the mounting plate, and the other ends of a plurality of pin fins extend outwards in a direction away from the power module.
3. The pin fin heat sink for use in a frequency converter as claimed in claim 1, wherein a plurality of said pin fins are arranged in a staggered manner in a cooling direction of said cooling member.
4. The pin fin heat sink for use in a frequency converter of claim 1, wherein said cooling member comprises a fan housing and a fan, said fan housing being connected within said heat sink housing, said fan being connected within said fan housing, and said fan being oriented toward a plurality of said pin fins.
5. The pin fin heat sink for inverter of claim 4, wherein one end of the heat sink housing has a slot, and the fan housing is detachably connected to the slot.
6. The pin fin heat sink for use in a frequency converter as claimed in claim 4, wherein the number of fans is two.
7. The pin fin heat sink for use in a frequency converter as claimed in claim 1, wherein said heat dissipating housing and a plurality of said pin fins are integrally formed.
8. The pin fin heat sink for use in a frequency converter of claim 1, wherein said pin fin heat sink is aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320965010.3U CN219698305U (en) | 2023-04-25 | 2023-04-25 | Needle-shaped fin heat radiator applied in frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320965010.3U CN219698305U (en) | 2023-04-25 | 2023-04-25 | Needle-shaped fin heat radiator applied in frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219698305U true CN219698305U (en) | 2023-09-15 |
Family
ID=87943989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320965010.3U Active CN219698305U (en) | 2023-04-25 | 2023-04-25 | Needle-shaped fin heat radiator applied in frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219698305U (en) |
-
2023
- 2023-04-25 CN CN202320965010.3U patent/CN219698305U/en active Active
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