CN219536674U

CN219536674U - Water-cooling silicon carbide switching power supply with double-output structure

Info

Publication number: CN219536674U
Application number: CN202320042002.1U
Authority: CN
Inventors: 邓志克; 侯鸿斌; 施佳抄
Original assignee: Guangzhou Jingyuan Technology Co ltd
Current assignee: Guangzhou Jingyuan Technology Co ltd
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-08-15
Anticipated expiration: 2033-01-03

Abstract

The utility model discloses a water-cooling double-output structure silicon carbide switching power supply, which comprises a control panel assembly, a high-voltage plate and a low-voltage plate, wherein the high-voltage plate and the low-voltage plate are arranged on two side walls of a radiating piece, the radiating piece is in water-cooling radiation, the high-voltage plate is provided with a main transformer isolation value capacitor and a mains supply inlet, the low-voltage plate is provided with two output current filter capacitors, the output current filter capacitors are connected with direct current output, the tail ends of the direct current output are connected with a current feedback Hall, the low-voltage plate is also provided with a silicon mosfet module synchronous driving and a silicon mosfet module, water enters a water inlet hole from a water inlet joint, enters a water outlet hole from a water outlet joint and then enters a cooling system from a water outlet joint to form a cooling water circulation system, and heat of the radiating piece is taken away through heat conduction, so that the silicon carbide switching power supply is radiated, and compared with air-cooling radiation, the radiating effect is higher, and the efficiency is higher.

Description

Water-cooling silicon carbide switching power supply with double-output structure

Technical Field

The utility model relates to the technical field of control switch power supplies, in particular to a water-cooling silicon carbide switch power supply with a double-output structure.

Background

The traditional I GBT is structurally a triode controlled by voltage, the switching speed is slower than that of a mosfet, particularly the off time switching loss is increased, the speed is low, the efficiency is low, a cooling fan is generally arranged on a base of the traditional s ic mosfet switch, and when the heating value of the s ic mosfet switch is large, the air cooling heat dissipation can not meet the actual requirement.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a water-cooling silicon carbide switching power supply with a double-output structure, which comprises a control panel assembly, a high-voltage board and a low-voltage board, wherein the high-voltage board and the low-voltage board are arranged on two side walls of a heat dissipation piece, and the heat dissipation piece is water-cooling heat dissipation.

Preferably: the high-voltage board is provided with a main transformer isolation capacitor and a mains supply inlet.

Preferably: the number of the low pressure plates is two.

Preferably: the low-voltage plate is provided with an output current filter capacitor, the output current filter capacitor is connected with direct current output, and the tail end of the direct current output is connected with a current feedback Hall.

Preferably: and the low-voltage plate is also provided with a Si c mosfet module synchronous drive and a Si c mosfet module.

Preferably: the side wall of the heat dissipation piece is provided with a mounting groove corresponding to the low pressure plate, and the heat dissipation piece is provided with mounting threaded holes corresponding to the low pressure plate and the high pressure plate.

Preferably: and a water inlet connector and a water outlet connector are arranged on one side wall of the radiating piece.

Preferably: the heat dissipation part is internally provided with a penetrating water inlet corresponding to the water inlet joint, and the heat dissipation part is internally provided with a penetrating water outlet corresponding to the water outlet joint.

Preferably: and plugs are arranged at the other ends of the water inlet hole and the water outlet hole of the heat dissipation part.

Preferably: the heat dissipation part is far away from the water outlet joint and is provided with a communication hole perpendicular to the water inlet hole and the water outlet hole, and the communication hole is used for communicating the water inlet hole with the water outlet hole.

The utility model has the technical effects and advantages that:

the water enters the water inlet hole from the water inlet joint, enters the water outlet hole through the communication hole, enters the cooling system from the water outlet joint to form a cooling water circulation system, and takes away the heat of the radiating piece through heat conduction, so that the silicon carbide switch power supply is radiated, and the cooling effect is higher and the efficiency is higher compared with air cooling radiation.

Drawings

FIG. 1 is a schematic diagram of a water-cooled dual-output silicon carbide switching power supply according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a connection structure of a low-voltage board in a silicon carbide switching power supply with a water-cooling dual-output structure according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a heat dissipation element in a water-cooled dual-output silicon carbide switching power supply according to an embodiment of the present utility model;

fig. 4 is a longitudinal sectional view of a heat sink in a water-cooled dual-output structure silicon carbide switching power supply according to an embodiment of the present utility model.

In the figure: 1. a control panel assembly; 2. a high pressure plate; 3. a main transformer isolation value capacitor; 4. a mains inlet; 5. a heat sink; 501. a mounting groove; 502. a plug; 503. a water inlet joint; 5031. a water inlet hole; 504. a water outlet joint; 5041. a water outlet hole; 505. a communication hole; 6. a low pressure plate; 7. an output current filter capacitor; 8. outputting direct current; 9. and the current feeds back the Hall.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1-2, in this embodiment, a water-cooled dual-output silicon carbide switching power supply is provided, which includes a control panel assembly 1, a high-voltage board 2 and a low-voltage board 6, where the high-voltage board 2 and the low-voltage board 6 are installed on two side walls of a heat dissipation member 5, the heat dissipation member 5 is water-cooled, the high-voltage board 2 is installed with a main transformer isolation capacitor 3 and a mains supply inlet 4, the low-voltage board 6 is installed with an output current filter capacitor 7, the output current filter capacitor 7 is connected with a dc output 8, the tail end of the dc output 8 is connected with a current feedback hall 9, the low-voltage board 6 is also installed with a Si c mosfet module synchronous driving and a Si c mosfet module, the low-voltage board 6 is provided with two, and is designed into a dual-output structure, so that the power supply of an important electrical load device can be ensured to be continuous, the dual-power supply can be used as an execution element, the switch is perfect, the heat dissipation member 5 adopting water-cooled heat dissipation is relatively air-cooled, and the heat dissipation efficiency is higher.

Example 2

Referring to fig. 3-4, in the present embodiment, a mounting groove 501 is formed on a side wall of a heat dissipation member 5 corresponding to a low pressure plate 6, mounting threaded holes are formed on both the heat dissipation member 5 corresponding to the low pressure plate 6 and the high pressure plate 2, a water inlet joint 503 and a water outlet joint 504 are mounted on a side wall of the heat dissipation member 5, a through water inlet 5031 is formed in the heat dissipation member 5 corresponding to the water inlet joint 503, a through water outlet 5041 is formed in the heat dissipation member 5 corresponding to the water outlet joint 504, a plug 502 is mounted at the other ends of the water inlet 5031 and the water outlet 5041 of the heat dissipation member 5, a communication hole 505 perpendicular to the water inlet 5031 and the water outlet 5041 is formed at the position away from the water outlet joint 504, the water inlet 5031 and the water outlet 5041 are communicated by the communication hole 505, the communication hole 505 is a blind hole, after the water inlet joint 503 and the water outlet joint 504 are connected with an external cooling system, water enters the water inlet 5031 through the communication hole 505, and enters the water outlet 5041 through the water outlet joint 504 into the cooling system to form a cooling water circulation system, and the heat dissipation effect is higher than that of a silicon carbide heat dissipation switch is carried out by taking away by the heat dissipation member 5, thereby, and the heat dissipation effect is higher than that the silicon carbide is cooled.

The working principle of the utility model is as follows:

the low pressure plate 6 is provided with two, designs into dual output structure, can guarantee the power supply continuity of important electric load device, and dual power can be as actuating element, is a perfect, safe and reliable's of performance switch, and after water joint 503 and play water joint 504 connect external cooling system, water gets into water inlet 5031 from water joint 503, gets into water outlet 5041 through intercommunicating pore 505, gets into cooling system from play water joint 504 again, forms cooling water circulation system, takes away the heat of radiating part 5 through the heat conduction to dispel the heat to carborundum switching power supply, for the forced air cooling heat dissipation, the radiating effect is higher, and efficiency is higher.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. The utility model provides a two output structure carborundum switching power supply of water-cooling, its characterized in that includes control panel subassembly (1), high-voltage board (2) and low-voltage board (6), high-voltage board (2) with low-voltage board (6) are installed in radiating piece (5) both sides wall department, radiating piece (5) are the water-cooling heat dissipation.

2. The water-cooled double-output structure silicon carbide switching power supply according to claim 1, wherein the high-voltage board (2) is provided with a main transformer isolation capacitor (3) and a mains supply inlet (4).

3. A water-cooled dual output structure silicon carbide switching power supply as claimed in claim 2, wherein the low voltage plate (6) is provided with two.

4. A water-cooled dual output structure silicon carbide switching power supply according to claim 3, characterized in that the low voltage board (6) is provided with an output current filter capacitor (7), the output current filter capacitor (7) is connected with a direct current output (8), and the tail end of the direct current output (8) is connected with a current feedback hall (9).

5. The water-cooled double-output structure silicon carbide switching power supply as claimed in claim 4, wherein the low-voltage board (6) is further provided with a Sic mosfet module synchronous driving and a Sic mosfet module.

6. The water-cooling double-output structure silicon carbide switching power supply according to claim 5, wherein the side wall of the heat dissipation part (5) is provided with a mounting groove (501) corresponding to the low-voltage plate (6), and the heat dissipation part (5) is provided with mounting threaded holes corresponding to the low-voltage plate (6) and the high-voltage plate (2).

7. The water-cooled double-output structure silicon carbide switching power supply as claimed in claim 6, wherein a water inlet connector (503) and a water outlet connector (504) are installed on one side wall of the heat dissipation member (5).

8. The water-cooled dual-output silicon carbide switching power supply of claim 7, wherein the heat dissipation part (5) is provided with a through water inlet hole (5031) corresponding to the water inlet joint (503), and the heat dissipation part (5) is provided with a through water outlet hole (5041) corresponding to the water outlet joint (504).

9. The water-cooled double-output structure silicon carbide switching power supply as claimed in claim 8, wherein plugs (502) are installed at the other ends of the water inlet (5031) and the water outlet (5041) of the heat dissipation part (5).

10. The water-cooled double-output structure silicon carbide switching power supply of claim 9, wherein a communication hole (505) perpendicular to the water inlet hole (5031) and the water outlet hole (5041) is formed in the position, away from the water outlet joint (504), of the heat radiating member (5), and the communication hole (505) communicates the water inlet hole (5031) with the water outlet hole (5041).