CN220292425U - High-power inverter heat dissipation unit - Google Patents

High-power inverter heat dissipation unit Download PDF

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Publication number
CN220292425U
CN220292425U CN202321438600.7U CN202321438600U CN220292425U CN 220292425 U CN220292425 U CN 220292425U CN 202321438600 U CN202321438600 U CN 202321438600U CN 220292425 U CN220292425 U CN 220292425U
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radiating
radiator
tooth
fan
radiators
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CN202321438600.7U
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Chinese (zh)
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刘裕国
刘圣丹
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Individual
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Individual
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  • Inverter Devices (AREA)

Abstract

The utility model discloses a high-power inverter radiating unit which comprises a radiator, a heating element and a radiating fan, wherein the heating element is arranged on a heat absorbing surface of the radiator, the other surface of the radiator is provided with dense-tooth radiating parts, the number of the radiator is two, the dense-tooth radiating parts of the two radiators are arranged oppositely, a wind shield is fixedly arranged at the outer side of a joint of the dense-tooth radiating parts of the two radiators, and the radiating fan is arranged at one end of the two arranged radiators. The radiating unit of the air-cooled high-power inverter is formed, the wind energy and the wind quantity generated by the radiating fan are closed in the rectangular radiating air duct with the maximized surface area formed by the dense-tooth radiating parts of the two radiators without loss, compared with the traditional air-cooled radiating mode, the radiating efficiency is greatly improved, the volume and the weight of the radiators are effectively reduced, the power of the radiating fan is reduced, and the cost is finally reduced.

Description

High-power inverter heat dissipation unit
Technical Field
The utility model relates to the technical field of heat dissipation devices, in particular to a heat dissipation unit of a high-power inverter.
Background
With the favorable development of new energy automobile markets, the charging piles of related core supporting facilities will come to the highlight moment. According to the Dongguan securities research report, the composite growth rate of the newly added charging piles in the year of 2021 to 2025 is 44%. It is estimated that the market sizes of 2022-2025 charging piles reach 1241 hundred million yuan, 1347 hundred million yuan, 1482 hundred million yuan and 2045 hundred million yuan respectively.
The charging module, also called as the heart of the direct-current charging pile, plays a role in controlling and converting electric energy, is a core component and main component cost of the charging pile, and the cost accounts for 50%. Benefit from demand bursts and high power trends in the coming amount Li Jisheng.
The radiator of the existing charging module is provided with a radiating fan which is arranged on the shell and adopts a radiating mode of forced heat convection in which the fan drives gas to flow. The wind energy air volume obtained on the radiator only occupies a small part, and most of the wind energy air volume is not effectively blown to the radiator, so that the conversion efficiency is low. In high power situations, a large area radiator, a higher power fan, has to be used. So that the volume weight and the cost are greatly increased.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a high-power inverter radiating unit.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a high-power dc-to-ac converter radiating element, includes radiator, heating element and radiator fan, heating element installs in the heat-absorbing face of radiator, the another side of radiator is provided with close tooth radiating portion, radiator quantity is two, and the close tooth radiating portion of two radiators is arranged relatively, two the close tooth radiating portion junction outside fixed mounting of radiator has the deep bead, radiator fan installs in two radiating one end of arranging.
Preferably, the size ratio of the width of the radiator to the tooth height of the dense-tooth radiating portion is 2/1.
Preferably, the wind shield is in sealing connection with the surface of the dense-tooth heat dissipation part.
Preferably, an air collecting plate is arranged at the joint between the two radiators and the heat dissipation fan, and slotted holes for ventilation are formed in the surface of the air collecting plate.
Preferably, one side of the air collecting plate is in sealing connection with the end parts of the two radiators, and the other side of the air collecting plate is in sealing connection with the air outlet of the heat dissipation fan.
The beneficial effects of the utility model are as follows:
the radiating unit of the air-cooled high-power inverter is formed, the wind energy and the wind quantity generated by the radiating fan are closed in the rectangular radiating air duct with the maximized surface area formed by the dense-tooth radiating parts of the two radiators without loss, compared with the traditional air-cooled radiating mode, the radiating efficiency is greatly improved, the volume and the weight of the radiators are effectively reduced, the power of the radiating fan is reduced, and the cost is finally reduced. Can be widely applied to: 1. a charging module; 2. the charging equipment is a charging station; 3. a high power photovoltaic inverter; 4. high-power electric welding cutting equipment; 5. various high-power inverter power supplies; 6. various high power inverters, and the like.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipating unit of a high-power inverter according to the present utility model;
fig. 2 is a schematic diagram of a wind deflector distribution structure of a heat dissipation unit of a high-power inverter according to the present utility model;
fig. 3 is a schematic structural diagram of a heat dissipation unit of a high-power inverter according to embodiment 2 of the present utility model;
fig. 4 is a schematic side view of a heat dissipation unit of a high-power inverter according to embodiment 2 of the present utility model.
In the figure: 1 radiator, 2 dense tooth radiating parts, 3 heating elements, 4 wind shields, 5 radiating fans and 6 wind collecting plates.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1:
referring to fig. 1-2, a heat dissipating unit of a high-power inverter includes a heat sink 1, a heating element 3 and a heat dissipating fan 5, where the heating element 3 is mounted on a heat absorbing surface of the heat sink 1, the heating element 3 may be a discrete element or a module may be mounted on the heat absorbing surfaces of the heat sinks 1 at two sides according to needs, the other surface of the heat sink 1 is provided with dense-tooth heat dissipating parts 2, the number of the heat sinks 1 is two, the dense-tooth heat dissipating parts 2 of the two heat sinks 1 are arranged oppositely, a wind shielding plate 4 is fixedly mounted at an outer side of a joint of the dense-tooth heat dissipating parts 2 of the two heat sinks 1, a rectangular heat dissipating air duct formed by the heat sink 1 with the dense-tooth heat dissipating parts 2 and the wind shielding plate 4 is assembled, and the heat dissipating fan 5 is mounted at one end of the two arranged heat sinks 1, and the heat dissipating fan 5 with a proper size is fixed on the heat sink 1 at four corner mounting holes by screws.
In the present utility model, the size ratio of the width of the radiator 1 to the tooth height of the dense-tooth radiating portion 2 is 2/1, so that the surface area of the radiator is maximized.
The wind shield 4 is in sealing connection with the surface of the dense-tooth heat dissipation part 2.
Example 2:
referring to fig. 3-4, a high-power inverter heat dissipation unit further comprises an air collecting plate 6 arranged at the joint between the two heat radiators 1 and the heat dissipation fan 5, and slotted holes for ventilation are formed in the surface of the air collecting plate 6, when the heat dissipation power does not reach the requirement in the embodiment 1, a larger-power fan is required to be used, and a larger-size fan is installed, so that the air collecting plate 6 can be installed.
One side of the air collecting plate 6 is in sealing connection with the end parts of the two radiators 1, the other side of the air collecting plate 6 is in sealing connection with the air outlet of the heat dissipation fan 5, and the large-size heat dissipation fan 5 is connected with the rectangular heat dissipation air duct through the air collecting plate 6, so that the air tightness is realized, and the higher power output is realized.
Working principle: compared with the traditional air cooling heat dissipation mode, the heat dissipation efficiency is greatly improved, the volume and weight of the radiator are effectively reduced, and the power of the heat dissipation fan 5 is reduced.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (5)

1. The utility model provides a high-power dc-to-ac converter radiating element, includes radiator (1), heating element (3) and radiator fan (5), heating element (3) are installed in the heat-absorbing surface of radiator (1), the another side of radiator (1) is provided with close tooth radiating portion (2), a serial communication port, radiator (1) quantity is two, and close tooth radiating portion (2) of two radiator (1) are arranged relatively, two the close tooth radiating portion (2) junction outside fixed mounting of radiator (1) has deep bead (4), radiator fan (5) are installed in radiator (1) one end of two arrangements.
2. A high power inverter heat dissipating unit according to claim 1, characterized in that the ratio of the width of the heat sink (1) to the tooth height of the dense tooth heat sink (2) is 2/1.
3. A high power inverter heat dissipation unit according to claim 1, wherein the wind deflector (4) is in sealing connection with the surface of the dense tooth heat dissipation part (2).
4. The high-power inverter radiating unit according to claim 1, wherein an air collecting plate (6) is arranged at the joint between the two radiators (1) and the radiating fan (5), and slotted holes for ventilation are formed in the surface of the air collecting plate (6).
5. The high-power inverter radiating unit according to claim 4, wherein one side of the air collecting plate (6) is in sealing connection with the end parts of the two radiators (1), and the other side of the air collecting plate (6) is in sealing connection with the air outlet of the radiating fan (5).
CN202321438600.7U 2023-06-07 2023-06-07 High-power inverter heat dissipation unit Active CN220292425U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321438600.7U CN220292425U (en) 2023-06-07 2023-06-07 High-power inverter heat dissipation unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321438600.7U CN220292425U (en) 2023-06-07 2023-06-07 High-power inverter heat dissipation unit

Publications (1)

Publication Number Publication Date
CN220292425U true CN220292425U (en) 2024-01-02

Family

ID=89330059

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321438600.7U Active CN220292425U (en) 2023-06-07 2023-06-07 High-power inverter heat dissipation unit

Country Status (1)

Country Link
CN (1) CN220292425U (en)

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