CN-122026716-A - DC/DC converter power module

Abstract

The invention discloses a DC/DC converter power module which comprises a shell, wherein an installation part is arranged in the shell, a 3D phase-change radiator is installed at the top of the shell, an upper plate block is connected in the shell through the installation part, a lower plate block is installed at the bottom end of the interior of the shell, a connecting module is arranged between the upper plate block and the lower plate block, the 3D phase-change radiator exchanges heat with air through forced air cooling, and is condensed into liquid after gasification working medium loses heat and flows back to a heat source along the bottom of the radiator so as to cool the interior of the shell.

Inventors

• XU YUTAO
• GU TINGBIN
• WANG YANG
• LIN CHENGHUI
• GAO SHILONG
• GAO JIPU
• ZHANG BIN
• LI BOWEN
• ZHU JIANYANG
• GAO YUAN
• ZHANG XUAN
• FENG QIHUI
• LUO GUOQIANG
• TAN ZHUKUI
• CHEN DUNHUI
• QI XUEWEN
• XIONG NAN
• FENG XINYANG
• LI JIKAI
• YUAN XUFENG

Assignees

• 贵州电网有限责任公司

Dates

Publication Date

20260512

Application Date

20251231

Claims (10)

1. 1. A DC/DC converter power module is characterized by comprising, The solar energy power generation device comprises a shell (1), wherein an installation part (2) is arranged in the shell, a 3D phase-change radiator (3) is installed at the top of the shell (1), an upper plate block (4) is connected in the shell (1) through the installation part (2), a lower plate block (5) is installed at the bottom end in the shell (1), and a connecting module (6) is arranged between the upper plate block (4) and the lower plate block (5); the 3D phase-change radiator (3) exchanges heat with air through forced air cooling, and condenses into liquid after the gasified working medium loses heat, and flows back to a heat source along the bottom of the radiator, so that the inside of the shell (1) is cooled.
2. 2. The DC/DC converter power module according to claim 1, wherein the housing (1) comprises a front panel (11), a rear panel (12) corresponding to the front panel (11), a bottom plate (13) fixedly connected to the bottom between the front panel (11) and the rear panel (12), a top plate (14) fixedly connected to the top between the front panel (11) and the rear panel (12), and two sets of side plates (15) fixedly connected to both sides of the front panel (11) and the rear panel (12).
3. 3. The DC/DC converter power module of claim 2, wherein the 3D phase-change radiator (3) comprises a base plate (31) fixedly arranged in the shell (1) and a condenser (32) fixedly arranged on the top plate (14), and a heat conduction pipe (33) is connected between the base plate (31) and the condenser (32).
4. 4. The DC/DC converter power module of claim 3, wherein said upper plate (4) comprises an IGBT module (41) and a voltage equalizing resistor (42) fixedly arranged on a substrate (31), and said front panel (11) is fixedly provided with an SCE control board (43).
5. 5. The DC/DC converter power module of claim 4, wherein the lower plate (5) comprises a bus capacitor (51) fixedly arranged on the bottom plate (13), a stacked busbar (52) is connected to the top of the bus capacitor (51), and an absorption capacitor (53) is fixedly connected to the stacked busbar (52).
6. 6. The DC/DC converter power module of claim 5, wherein said mounting portion (2) comprises a first fixing plate (21) fixedly disposed on the back panel (12), said substrate (31) is fixedly disposed on the first fixing plate (21), said back panel (12) is further fixedly connected with a second fixing plate (22), and said second fixing plate (22) is fixedly provided with a switching power supply (44).
7. 7. The DC/DC converter power module of claim 6, wherein said mounting portion (2) further comprises a fixing frame (23) fixedly provided on top of said top plate (14), and an insulating member (24) fixedly provided on bottom of said top plate (14).
8. 8. The DC/DC converter power module of claim 7, wherein said condenser (32) is fixedly mounted in a holder (23), and said SCE control board card (43) is fixedly mounted on an insulating member (24).
9. 9. The DC/DC converter power module of claim 8, wherein said bus capacitors (51) are provided in four groups and said snubber capacitors (53) are provided in two groups.
10. 10. The DC/DC converter power module according to claim 9, characterized in that the lower board (5) further comprises a fuse (54), the fuse (54) being connected with the connection module (6).

Description

DC/DC converter power module Technical Field The invention relates to the technical field of direct current distribution networks, in particular to a DC/DC converter power module. Background With the development of DC distribution network technology, the DC/DC converter is used as an important DC device and is widely applied to actual DC distribution network engineering. The DC/DC converter power module has the advantages that the power devices are more, the power is high, the loss is large, the temperature rise is easy to occur, and equipment faults are generated, so that the structural heat dissipation design of the power module is extremely important, and when the high-power and high-loss power module cannot use a liquid cooling heat dissipation mode under special working conditions, a novel module heat dissipation structure is required to be designed to ensure that the temperature rise of the power devices in the module does not exceed a design value, the operation is stable, and the system operation is ensured to be reliable. Disclosure of Invention Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art. The technical problems are solved by the following technical proposal that the invention provides a DC/DC converter power module which comprises, The shell is internally provided with an installation part, the top of the shell is provided with a 3D phase change radiator, an upper plate block is connected in the shell through the installation part, the bottom end of the interior of the shell is provided with a lower plate block, and a connecting module is arranged between the upper plate block and the lower plate block; the 3D phase-change radiator exchanges heat with air through forced air cooling, and condenses into liquid after the gasified working medium loses heat, and flows back to the heat source along the bottom of the radiator, so that the inside of the shell is cooled. In a preferred embodiment of the DC/DC converter power module of the present invention, the housing includes a front panel, a rear panel corresponding to the front panel, a bottom plate fixedly connected to the bottom between the front panel and the rear panel, a top plate fixedly connected to the top between the front panel and the rear panel, and two sets of side plates fixedly connected to both sides of the front panel and the rear panel. In a preferred embodiment of the DC/DC converter power module, the 3D phase-change radiator comprises a base plate fixedly arranged in the shell and a condenser fixedly arranged on the top plate, and a heat conduction pipe is connected between the base plate and the condenser. In a preferred embodiment of the DC/DC converter power module, the upper layer plate block comprises an IGBT module and a voltage equalizing resistor which are fixedly arranged on a substrate, and an SCE control board card is fixedly arranged at the position of the front panel. In a preferred embodiment of the DC/DC converter power module, the lower layer plate block comprises a bus capacitor fixedly arranged on a bottom plate, the top of the bus capacitor is connected with a stacked busbar, and the stacked busbar is fixedly connected with an absorption capacitor. In a preferred embodiment of the DC/DC converter power module of the present invention, the mounting portion includes a first fixing plate fixedly disposed on the back panel, the substrate is fixedly disposed on the first fixing plate, the back panel is further fixedly connected with a second fixing plate, and a switching power supply is fixedly disposed on the second fixing plate. In a preferred embodiment of the DC/DC converter power module of the present invention, the mounting portion further includes a fixing frame fixedly disposed on the top of the top plate, and an insulating member fixedly disposed on the bottom of the top plate. In a preferred embodiment of the DC/DC converter power module of the present invention, the condenser is fixedly mounted in the fixing frame, and the SCE control board card is fixedly arranged on the insulating member. In a preferred embodiment of the DC/DC converter power module according to the invention, the busbar capacitance is provided with four groups and the absorption capacitance is provided with two groups. In a preferred embodiment of the DC/DC converter power module according to the invention, the lower plate further comprises a fuse, which is connected to the connection module. The invention has the beneficial effects that the components are installed inside the module shell in a modular way, and the module shell has small volume, excellent heat dissipation performance, high efficiency and stable performance, is particularly suitable for special working conditions that the common fin air-cooled radiator can not meet the heat dissipation requirement due to non-liquid cooling heat dissipation, has expandability, and has compact structure, reasonable layout, di