Heat dissipation assembly and electric energy transducer

Patent metadata

Field	Value
Publication number	US-12477705-B2
Application number	US-202318325904-A
Country	US
Kind code	B2
Filing date	May 30, 2023
Priority date	Jun 2, 2022
Publication date	Nov 18, 2025
Grant date	Nov 18, 2025

Abstract

A heat dissipation assembly and an electric energy conversion apparatus are disclosed according to the present application. The heat dissipation assembly comprises a side cover connected to the electric energy conversion apparatus and an air outlet cover, a heat dissipation passage is formed by enclosure of the side cover and one side surface of the electric energy conversion apparatus, the side cover is provided with an air inlet in communication with the heat dissipation passage; the air outlet cover is arranged at the top of the electric energy conversion apparatus and partially connected with the side cover, and an air outlet space is formed by enclosure of the air outlet cover, the air outlet space is in communication with the heat dissipation passage, the air outlet cover is provided with an air outlet at an outer peripheral side of the air outlet cover away from the electric energy conversion apparatus.

First claim

The invention claimed is:

1 . An electric energy conversion assembly, comprising a heat dissipation assembly and an electric energy conversion apparatus, wherein the heat dissipation assembly comprises:
a side cover connected to the electric energy conversion apparatus, a heat dissipation passage is formed by enclosure of the side cover and one side surface of the electric energy conversion apparatus, wherein the side cover is provided with an air inlet in communication with the heat dissipation passage; and an air outlet cover, which is arranged at the top of the electric energy conversion apparatus and connected with the side cover, wherein an air outlet space is formed by enclosure of the air outlet cover, the air outlet space is in communication with the heat dissipation passage, the air outlet cover is provided with an air outlet, in communication with the air outlet space, at an outer peripheral side of the air outlet cover away from the electric energy conversion apparatus; wherein a partition member is provided in the air outlet cover, the partition member is arranged in the air outlet space and connected to the top of the electric energy conversion apparatus, a convection passage is formed by enclosure of the partition member and an upper surface of the electric energy conversion apparatus, and a convection port in communication with the convection passage is arranged on the outer peripheral side of the air outlet cover, so as to avoid direct contact between heated air in the air outlet space and the top of the electric energy conversion apparatus; wherein the air outlet space is divided into a heated air outlet area for leading out the heated air of the heat dissipation passage and a natural air convection area for dissipating heat from the top of the electric energy conversion apparatus by the partition member.

2 . The electric energy conversion assembly according to claim 1 , wherein the partition member comprises:
a partition plate arranged at the top of the electric energy conversion apparatus, wherein the convection passage is formed by enclosure of the partition plate and an upper surface of the electric energy conversion apparatus, two opposite side surfaces of the partition plate are arranged around the convection port, so that the convection port is in communication with the convection passage; and a support member, wherein the support member is arranged in the convection passage, and both ends of the support member are connected to the partition plate and the electric energy conversion apparatus, respectively.

3 . The electric energy conversion assembly according to claim 1 , wherein a heated air outlet, in communication with the heat dissipation passage, is formed by enclosure of a top end of the side cover and a side surface of the electric energy conversion apparatus, a part of the air outlet cover far away from the partition member is connected to the top end of the side cover and surrounds the heated air outlet, so that the heat dissipation passage is in communication with the air outlet space.

4 . The electric energy conversion assembly according to claim 3 , wherein the air outlet cover is provided with a plurality of air outlets, the plurality of air outlets are spaced apart around the outer peripheral side of the air outlet cover away from the electric energy conversion apparatus.

5 . The electric energy conversion assembly according to claim 1 , wherein the side cover comprises:
a side wall plate, wherein the side wall plate is connected to the electric energy conversion apparatus, and the air outlet cover is partially connected to one end of the side wall plate; and a bottom plate, wherein the bottom plate is connected to another end of the side wall plate and abuts against the electric energy conversion apparatus, the air inlet is provided in the bottom plate, wherein the heat dissipation passage is formed by enclosure of the bottom plate, the side wall plate and the electric energy conversion apparatus.

6 . The electric energy conversion assembly according to claim 5 , wherein the heat dissipation assembly further comprises a heat dissipation device, which is arranged in the heat dissipation passage and between the side wall plate and the electric energy conversion apparatus.

7 . The electric energy conversion assembly according to claim 6 , wherein the heat dissipation device comprises:
a fan, which is mounted on a side surface of the electric energy conversion apparatus and is arranged towards the air inlet; and a radiator, which is mounted on the side surface of the electric energy conversion apparatus, wherein the fan and the radiator are arranged along an air inlet direction of the heat dissipation passage in sequence.

8 . The electric energy conversion assembly according to claim 7 , wherein the side wall plate is provided with a boss protruding toward the side surface of the electric energy conversion apparatus, a surface of the boss facing the electric energy conversion apparatus abuts against a surface of the radiator away from the electric energy conversion apparatus.

9 . The electric energy conversion assembly according to claim 6 , wherein a side surface of the electric energy conversion apparatus is provided with a reactor, which is arranged in the heat dissipation passage, wherein the reactor and the heat dissipation device are arranged along the air inlet direction of the heat dissipation passage in sequence.

10 . The electric energy conversion assembly according to claim 1 , comprising a case, wherein the heat dissipation assembly is mounted in the case.

11 . The electric energy conversion assembly according to claim 10 , wherein the partition member comprises:
a partition plate arranged at the top of the electric energy conversion apparatus, wherein the convection passage is formed by enclosure of the partition plate and an upper surface of the electric energy conversion apparatus, two opposite side surfaces of the partition plate are arranged around the convection port, so that the convection port is in communication with the convection passage; and a support member, wherein the support member is arranged in the convection passage, and both ends of the support member are connected to the partition plate and the electric energy conversion apparatus, respectively.

12 . The electric energy conversion assembly according to claim 10 , wherein a heated air outlet, in communication with the heat dissipation passage, is formed by enclosure of a top end of the side cover and a side surface of the electric energy conversion apparatus, a part of the air outlet cover far away from the partition member is connected to the top end of the side cover and surrounds the heated air outlet, so that the heat dissipation passage is in communication with the air outlet space.

13 . The electric energy conversion assembly according to claim 12 , wherein the air outlet cover is provided with a plurality of air outlets, the plurality of air outlets are spaced apart around the outer peripheral side of the air outlet cover away from the electric energy conversion apparatus.

14 . The electric energy conversion assembly according to claim 10 , wherein the side cover comprises:
a side wall plate, wherein the side wall plate is connected to the electric energy conversion apparatus, and the air outlet cover is partially connected to one end of the side wall plate; and a bottom plate, wherein the bottom plate is connected to another end of the side wall plate and abuts against the electric energy conversion apparatus, the air inlet is provided in the bottom plate, wherein the heat dissipation

Assignees

• Sungrow Power Supply Co Ltd

Inventors

• Fang Rui
• Zhang Weifeng
• Yang Ye
• Zhou Jie

Classifications

• H05K7/20154

  Heat dissipaters coupled to components · CPC title

• H05K7/20909 Primary

  Forced ventilation, e.g. on heat dissipaters coupled to components · CPC title

• H05K7/20918 Primary

  the components being isolated from air flow, e.g. hollow heat sinks, wind tunnels or funnels · CPC title