Liquid-cooled IGBT (Insulated Gate Bipolar Translator) power supply converter device

By introducing a cooling system and heat dissipation structure into the liquid-cooled IGBT power converter, the problem of heat not being able to be directly discharged out of the cabinet is solved, and efficient heat dissipation and stable installation are achieved.

CN223451806UActive Publication Date: 2025-10-17LIAONING ZHONGLIAN ZHITUO VACUUM EQUIPMENT CO LTD
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Patent Information

Application Number
CN202421721130.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-19
Publication Date
2025-10-17
Estimated Expiration
2034-07-19

AI Technical Summary

Technical Problem

During use, existing liquid-cooled IGBT power converters are unable to effectively discharge the heat generated by the converter directly out of the cabinet, resulting in low temperature reduction efficiency.

Method used

A structure including a cabinet, a converter body, a cooling plate, a delivery pipe, a delivery pump, a coolant box, a return pipe, a heat dissipation device, a cooling fan and cooling fins was designed. The heat of the converter was transferred to the coolant through liquid cooling, and the heat was dissipated by the cooling fan and cooling fins.

Benefits of technology

The high-efficiency heat dissipation of the converter is achieved, and the heat dissipation efficiency and installation stability of the liquid-cooled IGBT power converter device are improved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223451806U_ABST
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Abstract

The utility model discloses a liquid-cooled IGBT (Insulated Gate Bipolar Translator) power supply converter device in the technical field of converters, which comprises a cabinet body, a converter body is arranged in the cabinet body, the converter body is detachably connected with the cabinet body, a cooling plate is arranged on the surface of the converter body, the cooling plate is detachably connected with the converter body, and the converter body is detachably connected with the cabinet body. Conveying pipes are arranged at the top of the cooling plate, the conveying pipes and the cooling plate are fixedly connected, a conveying pump is arranged between the conveying pipes, the conveying pump and the conveying pipes are fixedly connected, a cooling liquid box is arranged at the top of each conveying pipe, a backflow pipe is arranged at the top of the cooling plate, and heat dissipation devices are arranged on the two sides of each cooling liquid box. Through the arrangement of the cabinet body, the converter body, the cooling plate, the conveying pipe, the conveying pump, the cooling liquid box, the backflow pipe, the heat dissipation device, the heat dissipation fan and the heat dissipation fins, the heat dissipation function of the liquid-cooled IGBT power supply converter device on the converter is realized, and the heat dissipation efficiency of the liquid-cooled IGBT power supply converter device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of converter, concretely relates to a liquid -cooled IGBT power converter device ware. BACKGROUND

[0002] In addition to the main circuit (rectifier circuit, inverter circuit, AC conversion circuit and DC conversion circuit respectively) of the converter, the trigger circuit (or called driving circuit) for controlling the on-off of the power switch element and the control circuit for realizing the regulation and control of the electric energy are also needed. The trigger circuit of the converter includes two parts of pulse generator and pulse outputter. The former generates a pulse of certain frequency, width or phase according to the requirement of the control signal; the latter amplifies the level of the pulse to the driving signal suitable for the power switch element in the converter.

[0003] The existing liquid-cooled IGBT power converter device still has some defects. During the use of most liquid-cooled IGBT power converter devices, a large amount of heat is generated during the operation of the converter. The heat cannot be directly discharged outside the cabinet for circulation, resulting in low temperature drop efficiency. Therefore, the liquid-cooled IGBT power converter device is proposed. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of liquid-cooled IGBT power converter device to solve the problem that heat of converter cannot be directly discharged outside cabinet in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of liquid-cooled IGBT power converter device, including cabinet, the cabinet inside is equipped with converter body, the converter body and cabinet are detachably connected, the converter body surface is equipped with cooling plate, the cooling plate and converter body are detachably connected, the cooling plate top is equipped with conveying pipe, the conveying pipe and cooling plate are fixedly connected, conveying pump is equipped between the conveying pipe, the conveying pump and conveying pipe are fixedly connected, the conveying pipe top is equipped with cooling liquid box, the cooling liquid box and conveying pipe are fixedly connected, the cooling plate top is equipped with return pipe, the return pipe and cooling plate are fixedly connected, the cooling liquid box two sides are equipped with heat dissipation device, the heat dissipation device and cooling liquid box are fixedly connected.

[0006] Preferably, the heat dissipation device is internally provided with a heat dissipation fan, and the heat dissipation fan is fixedly connected with the heat dissipation device.

[0007] Preferably, the heat dissipation device is internally provided with a heat dissipation fan, and the heat dissipation fan is fixedly connected with the heat dissipation device.

[0008] Preferably, the heat dissipation device is internally provided with a heat dissipation fan, and the heat dissipation fan is fixedly connected with the heat dissipation device.

[0009] Preferably, one side of the heat dissipation plate is provided with a heat dissipation pipe, and one side of the heat dissipation pipe is provided with a dust screen.

[0010] Preferably, the inside of the cabinet body is provided with a mounting plate, and the bottom of the mounting plate is provided with a mounting seat.

[0011] Preferably, one side of the cabinet body is provided with a cabinet door, and one side of the cabinet door is provided with a handle.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The cabinet body, the converter body, the cooling plate, the conveying pipe, the conveying pump, the cooling liquid box, the return pipe, the heat dissipation device, the heat dissipation fan and the heat dissipation fin are arranged, the heat dissipation function of the liquid-cooled IGBT power converter device to the converter is realized, and the heat dissipation efficiency of the liquid-cooled IGBT power converter device is improved.

[0014] 2. The heat dissipation plate, the heat dissipation pipe, the dust screen, the mounting plate, the mounting seat, the cabinet door and the handle are arranged, the installation and heat dissipation ventilation functions of the liquid-cooled IGBT power converter device to the converter are realized, and the stability of the liquid-cooled IGBT power converter device installation is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the liquid-cooled IGBT power converter device of the utility model;

[0016] Figure 2 It is a cabinet door side structure schematic view of the liquid-cooled IGBT power converter device of the utility model;

[0017] Figure 3 It is a whole structure schematic view of the liquid-cooled IGBT power converter device of the utility model;

[0018] Figure 4 It is a heat dissipation exploded structure schematic view of the liquid-cooled IGBT power converter device of the utility model;

[0019] Figure 5 It is a whole structure schematic view of the liquid-cooled IGBT power converter device of the utility model.

[0020] In the drawing: 1, cabinet body; 2, converter body; 3, cooling plate; 4, conveying pipe; 5, conveying pump; 6, cooling liquid box; 7, return pipe; 8, heat dissipation device; 9, heat dissipation fan; 10, heat dissipation plate; 11, heat dissipation fin; 12, heat dissipation pipe; 13, dust screen; 14, mounting plate; 15, mounting seat; 16, cabinet door; 17, handle. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0022] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of liquid-cooled IGBT power converter device, including cabinet 1, cabinet 1 inside is equipped with converter body 2, converter body 2 and cabinet 1 between detachable connection, converter body 2 surface is equipped with cooling plate 3, cooling plate 3 and converter body 2 to detachable connection, cooling plate 3 top is equipped with delivery pipe 4, delivery pipe 4 and cooling plate 3 between fixed connection, delivery pipe 4 between being equipped with delivery pump 5, delivery pump 5 and delivery pipe 4 between fixed connection, delivery pipe 4 top is equipped with cooling liquid box 6, cooling liquid box 6 and delivery pipe 4 between fixed connection, cooling plate 3 top is equipped with return pipe 7, return pipe 7 and cooling plate 3 to fixed connection, cooling liquid box 6 two sides are equipped with heat dissipation device 8, heat dissipation device 8 and cooling liquid box 6 between fixed connection.

[0023] Specifically, heat dissipation fan 9 is equipped in heat dissipation device 8, heat dissipation fan 9 and heat dissipation device 8 between fixed connection, heat dissipation plate 10 is equipped in one side of heat dissipation device 8, heat dissipation plate 10 and heat dissipation device 8 between fixed connection, heat dissipation fin 11 is equipped in heat dissipation plate 10, heat dissipation fin 11 and heat dissipation plate 10 between fixed connection, heat dissipation pipe 12 is equipped in one side of heat dissipation plate 10, dust screen 13 is equipped in one side of heat dissipation pipe 12, mounting plate 14 is equipped in cabinet 1, mounting seat 15 is equipped in the bottom of mounting plate 14, cabinet door 16 is equipped in one side of cabinet 1, handle 17 is equipped in one side of cabinet door 16.

[0024] In the embodiment, in use, converter body 2 is installed on the top of mounting plate 14, is installed in the inside of cabinet 1 by mounting seat 15, cooling plate 3 is installed on the surface of converter body 2, so that it is cooled to converter body 2, cooling liquid is added into cooling liquid box 6, cooling liquid enters the inside of cooling plate 3 along return pipe 7, so that the heat generated by converter body 2 is transferred to the cooling liquid in the inside of cooling plate 3, after the temperature of cooling liquid rises, delivery pump 5 is started, and delivery pump 5 delivers the cooling liquid with rising temperature to the inside of cooling liquid box 6 by delivery pipe 4, heat dissipation device 8 is started, heat dissipation fan 9 is cooled to the two sides of cooling liquid box 6, and heat is exported outward, heat dissipation fan 9 transfers heat to heat dissipation plate 10 and heat dissipation fin 11, and continues to be cooled to heat dissipation pipe 12, so that heat is discharged from the inside of cabinet 1 through heat dissipation pipe 12, and dust protection is provided to heat dissipation pipe 12 through dust screen 13.

[0025] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A liquid-cooled IGBT power converter device, comprising a cabinet (1), characterized in that: The cabinet (1) is provided with a converter body (2) inside, the converter body (2) and the cabinet (1) are detachably connected, a cooling plate (3) is provided on the surface of the converter body (2), the cooling plate (3) and the converter body (2) are detachably connected, a delivery pipe (4) is provided on the top of the cooling plate (3), the delivery pipe (4) and the cooling plate (3) are fixedly connected, a delivery pump (5) is provided between the delivery pipe (4), the delivery pump (5) and the delivery pipe (4) are fixedly connected, a cooling liquid box (6) is provided on the top of the delivery pipe (4), the cooling liquid box (6) and the delivery pipe (4) are fixedly connected, a return pipe (7) is provided on the top of the cooling plate (3), the return pipe (7) and the cooling plate (3) are fixedly connected, heat dissipation devices (8) are provided on both sides of the cooling liquid box (6), and the heat dissipation device (8) and the cooling liquid box (6) are fixedly connected.

2. The liquid-cooled IGBT power converter according to claim 1, characterized in that: A cooling fan (9) is provided inside the heat dissipation device (8), and the cooling fan (9) and the heat dissipation device (8) are fixedly connected.

3. The liquid-cooled IGBT power converter according to claim 2, characterized in that: A heat dissipation plate (10) is provided on one side of the heat dissipation device (8), and the heat dissipation plate (10) and the heat dissipation device (8) are fixedly connected.

4. The liquid-cooled IGBT power converter according to claim 3, characterized in that: The heat dissipation plate (10) is provided with heat dissipation fins (11) inside, and the heat dissipation fins (11) and the heat dissipation plate (10) are fixedly connected.

5. The liquid-cooled IGBT power converter according to claim 4, characterized in that: A heat dissipation pipe (12) is provided on one side of the heat dissipation plate (10), and a dustproof net (13) is provided on one side of the heat dissipation pipe (12).

6. The liquid-cooled IGBT power converter according to claim 1, characterized in that: A mounting plate (14) is provided inside the cabinet (1), and a mounting seat (15) is provided at the bottom of the mounting plate (14).

7. The liquid-cooled IGBT power converter according to claim 1, characterized in that: A cabinet door (16) is provided on one side of the cabinet body (1), and a handle (17) is provided on one side of the cabinet door (16).