CN223451806U

CN223451806U - A liquid-cooled IGBT power converter

Info

Publication number: CN223451806U
Application number: CN202421721130.XU
Authority: CN
Inventors: 王跃华
Original assignee: Liaoning Zhonglian Zhituo Vacuum Equipment Co ltd
Current assignee: Liaoning Zhonglian Zhituo Vacuum Equipment Co ltd
Priority date: 2024-07-19
Filing date: 2024-07-19
Publication date: 2025-10-17
Anticipated expiration: 2034-07-19

Abstract

The utility model discloses a liquid-cooled IGBT power supply converter in the technical field of converters, which comprises a cabinet body, wherein a converter body is arranged in the cabinet body, the converter body and the cabinet body are detachably connected, a cooling plate is arranged on the surface of the converter body, the cooling plate and the converter body are detachably connected, a conveying pipe is arranged at the top of the cooling plate, the conveying pipe is fixedly connected with the cooling plate, a conveying pump is arranged between the conveying pipes, the conveying pump is fixedly connected with the conveying pipe, a cooling liquid box is arranged at the top of the conveying pipe, a return pipe is arranged at the top of the cooling plate, and heat dissipation devices are arranged at two sides of the cooling liquid box.

Description

Liquid-cooled IGBT power converter

Technical Field

The utility model belongs to the technical field of converters, and particularly relates to a liquid-cooled IGBT power supply converter.

Background

Besides the main circuit (respectively rectifier circuit, inverter circuit, AC conversion circuit and DC conversion circuit), the converter also needs a trigger circuit (or driving circuit) for controlling the on-off of the power switch element and a control circuit for realizing the regulation and control of electric energy. The trigger circuit of the converter comprises a pulse generator and a pulse output device. The pulse with certain frequency, certain width or certain phase is generated according to the requirement of the control signal, and the level of the pulse is amplified into a driving signal suitable for the power switching element in the converter.

The existing liquid-cooled IGBT power converter has the defects that most of liquid-cooled IGBT power converters can generate a large amount of heat in the operation process of the converter, and the heat cannot be directly discharged in a cabinet for circulation, so that the temperature reduction efficiency is low.

Disclosure of utility model

The utility model aims to provide a liquid-cooled IGBT power converter, which aims to solve the problem that the heat of the converter cannot be directly discharged out of a cabinet in the background art.

In order to achieve the above purpose, the technical scheme is that the liquid-cooled IGBT power converter comprises a cabinet body, wherein a converter body is arranged in the cabinet body, the converter body and the cabinet body are detachably connected, a cooling plate is arranged on the surface of the converter body, the cooling plate and the converter body are detachably connected, a conveying pipe is arranged at the top of the cooling plate, the conveying pipe is fixedly connected with the cooling plate, a conveying pump is arranged between the conveying pipe, the conveying pump is fixedly connected with the conveying pipe, a cooling liquid box is arranged at the top of the conveying pipe, the cooling liquid box is fixedly connected with the conveying pipe, a backflow pipe is arranged at the top of the cooling plate, the backflow pipe is fixedly connected with the cooling plate, a heat dissipation device is arranged at two sides of the cooling liquid box, and the heat dissipation device is fixedly connected with the cooling liquid box.

Preferably, a cooling fan is arranged in the cooling device, and the cooling fan is fixedly connected with the cooling device.

Preferably, a heat dissipation plate is arranged on one side of the heat dissipation device, and the heat dissipation plate is fixedly connected with the heat dissipation device.

Preferably, the heat dissipation plate is internally provided with heat dissipation fins, and the heat dissipation fins are fixedly connected with the heat dissipation plate.

Preferably, a radiating pipe is arranged on one side of the radiating plate, and a dustproof net is arranged on one side of the radiating pipe.

Preferably, the cabinet body is internally provided with a mounting plate, and the bottom of the mounting plate is provided with a mounting seat.

Preferably, a cabinet door is arranged on one side of the cabinet body, and a handle is arranged on one side of the cabinet door.

Compared with the prior art, the utility model has the beneficial effects that:

1. through being equipped with cabinet body, converter body, cooling plate, conveyer pipe, delivery pump, coolant liquid box, back flow, heat abstractor, radiator fan and radiator fin, realized the radiating function of liquid-cooled IGBT power converter to the converter, improved the radiating efficiency of liquid-cooled IGBT power converter.

2. Through being equipped with heating panel, cooling tube, dust screen, mounting panel, mount pad, cabinet door and handle, realized the IGBT power converter of liquid cooling and installed and the function of heat dissipation ventilation to the converter, improved the stability of the IGBT power converter installation of liquid cooling.

Drawings

Fig. 1 is a schematic diagram of the whole structure of a liquid-cooled IGBT power converter of the utility model;

fig. 2 is a schematic side structural diagram of a cabinet door of the liquid-cooled IGBT power converter device of the utility model;

Fig. 3 is a schematic diagram of the internal overall structure of the liquid-cooled IGBT power converter of the utility model;

Fig. 4 is a schematic diagram of a heat dissipation and decomposition structure of the liquid-cooled IGBT power converter of the present utility model;

Fig. 5 is a schematic diagram of the internal overall structure of the liquid-cooled IGBT power converter of the present utility model.

The heat-dissipating device comprises a cabinet body 1, a converter body 2, a cooling plate 3, a conveying pipe 4, a conveying pump 5, a conveying pump 6, a cooling liquid box 7, a return pipe 8, a heat-dissipating device 9, a heat-dissipating fan 10, a heat-dissipating plate 11, heat-dissipating fins 12, a heat-dissipating pipe 13, a dust screen 14, a mounting plate 15, a mounting seat 16, a cabinet door 17 and a handle.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the utility model provides a technical scheme that the liquid-cooled IGBT power converter comprises a cabinet body 1, wherein a converter body 2 is arranged in the cabinet body 1, the converter body 2 is detachably connected with the cabinet body 1, a cooling plate 3 is arranged on the surface of the converter body 2, the cooling plate 3 is detachably connected with the converter body 2, a conveying pipe 4 is arranged at the top of the cooling plate 3, the conveying pipe 4 is fixedly connected with the cooling plate 3, a conveying pump 5 is arranged between the conveying pipe 4, the conveying pump 5 is fixedly connected with the conveying pipe 4, a cooling liquid box 6 is arranged at the top of the conveying pipe 4, the cooling liquid box 6 is fixedly connected with the conveying pipe 4, a return pipe 7 is arranged at the top of the cooling plate 3, the return pipe 7 is fixedly connected with the cooling plate 3, a heat dissipation device 8 is arranged at two sides of the cooling liquid box 6, and the heat dissipation device 8 is fixedly connected with the cooling liquid box 6.

Specifically, the inside radiator fan 9 that is equipped with of heat abstractor 8, fixed connection between radiator fan 9 and the radiator 8, radiator 8 one side is equipped with heating panel 10, fixed connection between heating panel 10 and the radiator 8, the inside radiator fin 11 that is equipped with of heating panel 10, fixed connection between radiator fin 11 and the heating panel 10, heating panel 10 one side is equipped with cooling tube 12, cooling tube 12 one side is equipped with dust screen 13, cabinet 1 is inside to be equipped with mounting panel 14, mounting panel 14 bottom is equipped with mount pad 15, cabinet 1 one side is equipped with cabinet door 16, cabinet door 16 one side is equipped with handle 17.

In this embodiment, in the use process, the converter body 2 is installed at the top of the mounting plate 14, the converter body is installed inside the cabinet body 1 through the mounting seat 15, the cooling plate 3 is installed on the surface of the converter body 2, so that the converter body 2 is cooled, the cooling liquid is added into the cooling liquid box 6, the cooling liquid enters the cooling plate 3 along the return pipe 7, the heat emitted by the converter body 2 is transferred into the cooling liquid inside the cooling plate 3, after the temperature of the cooling liquid rises, the transfer pump 5 is started, the transfer pump 5 transfers the cooling liquid with the rising temperature into the cooling liquid box 6 through the transfer pipe 4, the heat dissipation device 8 is started, the cooling fan 9 dissipates heat at two sides of the cooling liquid box 6, the heat is led out outwards, the cooling fan 9 transfers the heat to the heat dissipation plate 10 and the heat dissipation fins 11, the heat is continuously dissipated into the heat dissipation pipe 12, the heat is discharged out of the cabinet body 1 through the heat dissipation pipe 12, and the dust protection is performed on the heat dissipation pipe 12 through the dust protection net 13.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The liquid-cooled IGBT power supply converter comprises a cabinet body (1) and is characterized in that a converter body (2) is arranged inside the cabinet body (1), the converter body (2) and the cabinet body (1) are detachably connected, a cooling plate (3) is arranged on the surface of the converter body (2), the cooling plate (3) and the converter body (2) are detachably connected, a conveying pipe (4) is arranged at the top of the cooling plate (3), the conveying pipe (4) and the cooling plate (3) are fixedly connected, a conveying pump (5) is arranged between the conveying pipes (4), the conveying pump (5) and the conveying pipe (4) are fixedly connected, a cooling liquid box (6) is arranged at the top of the conveying pipe (4), a return pipe (7) is arranged at the top of the cooling plate (3) and is fixedly connected with the cooling plate (3), heat dissipation devices (8) are arranged on two sides of the cooling liquid box (6), and the cooling liquid box (8) is fixedly connected with the cooling liquid box (6).

2. The liquid-cooled IGBT power converter as set forth in claim 1, wherein a cooling fan (9) is disposed inside the cooling device (8), and the cooling fan (9) is fixedly connected with the cooling device (8).

3. The liquid-cooled IGBT power converter as set forth in claim 2, wherein a heat dissipating plate (10) is disposed on one side of the heat dissipating device (8), and the heat dissipating plate (10) is fixedly connected with the heat dissipating device (8).

4. The liquid-cooled IGBT power converter as set forth in claim 3, wherein heat dissipation fins (11) are disposed inside the heat dissipation plate (10), and the heat dissipation fins (11) are fixedly connected with the heat dissipation plate (10).

5. The liquid-cooled IGBT power converter as set forth in claim 4, wherein a radiating pipe (12) is disposed on one side of the radiating plate (10), and a dust screen (13) is disposed on one side of the radiating pipe (12).

6. The liquid-cooled IGBT power converter of claim 1, wherein a mounting plate (14) is arranged in the cabinet body (1), and a mounting seat (15) is arranged at the bottom of the mounting plate (14).

7. The liquid-cooled IGBT power converter of claim 1, wherein a cabinet door (16) is arranged on one side of the cabinet body (1), and a handle (17) is arranged on one side of the cabinet door (16).