CN219698249U

CN219698249U - Air-cooled silicon carbide switching power supply with double-output structure

Info

Publication number: CN219698249U
Application number: CN202320041930.6U
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: 2023-09-15
Anticipated expiration: 2033-01-03

Abstract

The utility model discloses an air-cooled double-output structure silicon carbide switching power supply, which comprises a high-voltage plate and a low-voltage plate, wherein the high-voltage plate and the low-voltage plate are arranged at two side walls of a radiating piece, a radiating fan is arranged at the tail end of the radiating piece, the two low-voltage plates are arranged, a main transformer isolation value capacitor is arranged on the high-voltage plate, two groups of main transformer isolation value capacitors are arranged, the high-voltage plate is provided with a high-voltage capacitance filter and a mains supply inlet, and the two low-voltage plates are both provided with a Sic mosfet module for synchronous driving.

Description

Air-cooled 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 an air-cooled 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 can be increased, the speed is low, the efficiency is low, the s ic mosfet is characterized by high thermal conductivity, small power capacity and high switching speed, the efficiency is greatly improved, but if a single-output switching power supply is damaged, the data can be lost, and the reliability is lower.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an air-cooled silicon carbide switching power supply with a double-output structure, which comprises 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 heat dissipation piece, and a heat dissipation fan is arranged at the tail end of the heat dissipation piece.

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

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

Preferably: and the two low-voltage plates are both provided with a Sic mosfet module for synchronous driving.

Preferably: one low-voltage plate is provided with a first output current filter capacitor, and the other low-voltage plate is provided with a second output current filter capacitor.

Preferably: and the first output current filter capacitor and the second output current filter capacitor are both connected with the Si c mosfet module.

Preferably: the Sic mosfet module is connected with a direct current output, and the direct current output is connected with a current feedback Hall.

Preferably: the heat dissipation piece is provided with a vent hole matched with the heat dissipation fan for ventilation.

Preferably: the side wall of the heat dissipation piece is provided with a mounting groove corresponding to the low-pressure plate and a threaded hole for being matched with the low-pressure plate in mounting.

Preferably: screw holes are formed in four sides of the side face of the radiating piece, corresponding to the radiating fan, and through holes are formed in four sides of a fan bracket of the radiating fan.

The utility model has the technical effects and advantages that:

in the utility model, two low-voltage plates are arranged and designed into a double-output structure, so that the power supply continuity of an important electric load device can be ensured, and a double power supply can be used as an executing element, so that the switch is a switch with perfect performance and safety and reliability.

Drawings

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

FIG. 2 is a top view of an air-cooled dual output structure silicon carbide switching power supply provided by an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a mounting structure of a low-voltage board in an air-cooled dual-output structure silicon carbide switching power supply according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a heat dissipation element in an air-cooled dual-output silicon carbide switching power supply according to an embodiment of the present utility model;

fig. 5 is an exploded view of a connection between a radiator and a radiator fan in an air-cooled dual-output silicon carbide switching power supply according to an embodiment of the present utility model.

In the figure: 1. a high pressure plate; 2. a main transformer isolation value capacitor; 3. high-voltage capacitive filtering; 4. a mains inlet; 5. a heat sink; 501. a vent hole; 502. a mounting groove; 503. a threaded hole; 6. a heat radiation fan; 601. a through hole; 7. a low pressure plate; 8. synchronously driving the Si c mosfet module; 9. a first output current filter capacitor; 10. a Si c mosfet module; 11. outputting direct current; 12. a second output current filter capacitor; 13. 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, an air-cooled dual-output silicon carbide switching power supply is provided, which includes a high-voltage board 1 and a low-voltage board 7, the low-voltage board 7 is provided with two, the high-voltage board 1 and the low-voltage board 7 are installed at two side walls of a heat dissipation member 5, a heat dissipation fan 6 is installed at the end of the heat dissipation member 5, the two low-voltage boards 7 form a dual-output structure, and under the action of the heat dissipation fan 6 and the heat dissipation member 5, the thermal conductivity of the silicon carbide switching power supply is higher, the switching speed is fast, and the efficiency is greatly improved.

The high-voltage board 1 is provided with a main transformer isolation value capacitor 2, the main transformer isolation value capacitor 2 is provided with two groups, and the high-voltage board 1 is provided with a high-voltage capacitor filter 3 and a mains supply inlet.

Referring to fig. 3, two low-voltage boards 7 are respectively provided with a Si c mosfet module synchronous drive 8, one low-voltage board 7 is provided with a first output current filter capacitor 9, the other low-voltage board 7 is provided with a second output current filter capacitor 12, the first output current filter capacitor 9 and the second output current filter capacitor 12 are respectively connected with a Si c mosfet module 10, the Si c mosfet module 10 is connected with a direct current output 11, and the direct current output 11 is connected with a current feedback hall 13.

Example 2

Referring to fig. 4 to 5, in the present embodiment, a vent hole 501 matching with a cooling fan 6 is formed in a cooling member 5, the cooling fan 6 is started, one side of the vent hole 501 enters the cooling member 5, the cooling member 5 flows out from the other side of the vent hole 501, the cooling member 5 is cooled, the cooling effect of the switch is improved, a mounting groove 502 and a threaded hole 503 for matching with the mounting of the low-pressure plate 7 are formed in the side wall of the cooling member 5 corresponding to the low-pressure plate 7, a threaded hole 503 is formed in four sides of the side surface of the cooling member 5 corresponding to the cooling fan 6, and a through hole 601 is formed in four sides of a fan bracket of the cooling fan 6.

The working principle of the utility model is as follows:

the low pressure plate 12 is provided with two, designs into dual output structure, can guarantee that the power supply of important electric load device can be continuity, and dual power can be regarded as actuating element, is a perfect, safe and reliable's of performance switch, through radiating piece 5 and radiator fan 6 of design, installs low pressure plate 12 and high pressure plate 1 on the lateral wall of radiating piece 5, and the heat conductivity is higher, and the switching speed is fast, improves efficiency greatly.

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 an air-cooled dual output structure carborundum switching power supply, includes high-voltage board (1) and low-voltage board (7), its characterized in that, high-voltage board (1) with low-voltage board (7) are installed in radiating piece (5) both sides wall department, radiator fan (6) are installed to the end of radiating piece (5).

2. An air-cooled dual output structure silicon carbide switching power supply as claimed in claim 1, wherein the low voltage board (7) is provided with two.

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

4. A silicon carbide switching power supply with an air-cooled dual output structure according to claim 3, characterized in that two low-voltage boards (7) are provided with a Sic mosfet module synchronous drive (8).

5. An air-cooled dual output structure silicon carbide switching power supply as claimed in claim 4, wherein one of said low voltage plates (7) is provided with a first output current filter capacitor (9) and the other of said low voltage plates (7) is provided with a second output current filter capacitor (12).

6. The air-cooled double-output structure silicon carbide switching power supply according to claim 5, wherein the first output current filter capacitor (9) and the second output current filter capacitor (12) are both connected with a Sic mosfet module (10).

7. The air-cooled double-output structure silicon carbide switching power supply according to claim 6, wherein the Sic mosfet module (10) is connected with a direct current output (11), and the direct current output (11) is connected with a current feedback hall (13).

8. The air-cooled double-output structure silicon carbide switching power supply as claimed in claim 7, wherein the heat dissipation member (5) is provided with a vent hole (501) for ventilation in cooperation with a heat dissipation fan (6).

9. The air-cooled double-output structure silicon carbide switching power supply of claim 8, wherein the side wall of the heat dissipation part (5) is provided with a mounting groove (502) corresponding to the low-voltage plate (7) and a threaded hole (503) for being matched with the low-voltage plate (7) to be mounted.

10. The air-cooled double-output structure silicon carbide switching power supply of claim 9, wherein threaded holes (503) are formed in four sides of the side face of the heat dissipation piece (5) corresponding to the heat dissipation fan (6), and through holes (601) are formed in four sides of a fan bracket of the heat dissipation fan (6).