High-power power supply rectification module structure

Abstract

The utility model provides a high-power power supply rectification module structure, which belongs to the technical field of power supply modules, and comprises a module box body and a module bottom plate, the module box body is arranged on the upper surface of the module bottom plate, one side surface of the module box body is provided with a ventilation window, the side surface of the module box body is fixedly connected with a ventilation blocking piece, and the ventilation blocking piece is fixedly connected with the module bottom plate. A plurality of air dredging grids are evenly arranged on the side face of the ventilation blocking piece, and three motors are fixedly connected to the inner side face, away from the module box body, of the ventilation blocking piece in a linear column mode. According to the utility model, the components are accommodated in the module box body, the ventilation window is arranged on the side surface of the module box body, and the ventilation blocking piece and the negative pressure fan are additionally arranged on the outer side of the ventilation window, so that heat in the box body can be timely sent out, and a shielding object can be provided for protecting the module.

Description

Technical Field

[0001] The utility model belongs to the technical field of power modules, and in particular relates to a high-power power rectifier module structure. Background Art

[0002] A power module is a power supply that can be mounted directly on a printed circuit board. Its unique feature is that it can directly power a variety of circuits or components. Due to its many advantages, its modular structure is widely used in various industries.

[0003] The DC module of a high-power power supply generally adopts the form of AC step-down and then rectification. The input AC is converted into DC through step-down rectification, and then filtered by the absorption capacitor to produce high-quality DC output.

[0004] The existing high-power power rectifier module structure still has the following shortcomings: the existing high-power source rectifier module still mostly uses cables to connect various components. This design will increase the volume of the module due to the presence of cables, which will bring inconvenience to use or storage; based on the original large volume, the cables and various components will accumulate a lot of heat during work, which will have a great impact on the lines and components. Utility Model Content

[0005] The purpose of the present utility model is to solve the problem that in the prior art, existing high-power source rectifier modules still mostly use cables to connect various components. This design will increase the volume of the module due to the presence of cables, which will bring inconvenience to use or storage; on the basis of the original large volume, the cables and various components will accumulate a lot of heat during operation, and thus a high-power power rectifier module structure is proposed.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A high-power power rectifier module structure comprises: a module box and a module base plate, the module box is arranged on the upper surface of the module base plate, a ventilation window is arranged on one side surface of the module box, a ventilation block is fixedly connected to the side surface of the module box, a plurality of air vents are evenly arranged on the side surface of the ventilation block, three motors are fixedly connected in a linear array on the inner side surface of the ventilation block away from the module box, a negative pressure fan is fixedly connected to the output end of the motor on the side close to the module box, a plurality of side fixing ports are evenly arranged in a linear array on the other three sides of the module box, a plurality of elastic fixing blocks are evenly arranged on three sides of the upper surface of the module base plate, the elastic fixing blocks and the side fixing ports are positioned corresponding to each other, and a power rectifier module is fixedly connected to the upper surface of the module base plate;

[0008] Preferably, the power rectifier module includes a circuit board, which is fixedly connected to the upper surface of the module base plate. Four limit blocks are fixedly connected to the upper surface of the module base plate. The limit blocks are arranged in an "L" shape and are arranged on the inner side of the elastic fixing block. The four limit blocks are engaged with the circuit board. The upper surface of the circuit board is electrically connected to the resistor, chip, capacitor and transformer.

[0009] Preferably, the elastic fixing block is configured to be in an inverted "J" shape, the side fixing opening is configured to be obliquely disposed with the outer surface facing upwardly from the inner side surface, and the elastic fixing block is snap-fitted and connected to the side fixing opening;

[0010] Preferably, the side of the air-permeable baffle away from the module box at a position corresponding to the motor is not provided with an air-dissipating grid;

[0011] Preferably, the air barrier is shaped as a trapezoidal prism, and is disposed outside the air window, so that the end of the negative pressure fan does not exceed the range of the air barrier.

[0012] Preferably, grooves are provided at the four corners of the lower surface of the module base plate, screws are threadedly connected to the inner surfaces of the grooves, and the screws are threadedly connected to the inside of the module box and the module base plate.

[0013] Compared with the prior art, the present invention has the following advantages:

[0014] 1. The utility model stores components by setting up a module box, and provides a ventilation window on the side of the module box, and installs a ventilation blocker and a negative pressure fan on the outside of the ventilation window. This setting can not only send out the heat inside the box in time, but also provide a shield to protect the module.

[0015] 2. The present invention further reduces the volume of the original module by providing a circuit board to replace the original cable wiring, while also accelerating the overall heat dissipation efficiency of the module. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the external structure of a high-power power rectifier module proposed in the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of a high-power power rectifier module proposed in the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of a heat dissipation component of a high-power power rectifier module structure proposed by the utility model;

[0019] Figure 4This is a bottom schematic diagram of a high-power power rectifier module structure proposed by the utility model;

[0020] Figure 5 for Figure 4 Enlarged view of part A.

[0021] In the figure: 1 module box, 2 side fixing port, 3 module bottom plate, 4 elastic fixing block, 5 ventilation block, 6 air vent, 7 motor, 8 negative pressure fan, 9 limit block, 10 circuit board, 11 resistor, 12 chip, 13 capacitor, 14 transformer, 15 groove, 16 screw, 17 ventilation window. DETAILED DESCRIPTION

[0022] The technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0023] Reference Figure 1-Figure 5 A high-power power rectifier module structure includes: a module box 1 and a module base plate 3. The module box 1 is arranged on the upper surface of the module base plate 3. A ventilation window 17 is provided on one side of the module box 1. A ventilation block 5 is fixedly connected to the side of the module box 1. A plurality of air vents 6 are evenly arranged on the side of the ventilation block 5. Three motors 7 are fixedly connected to the inner side of the ventilation block 5 away from the module box 1 in a linear manner. A negative pressure fan 8 is fixedly connected to the output end of the motor 7 on the side close to the module box 1. The other three sides of the module box 1 are fixed with air vents. A plurality of side fixing openings 2 are evenly arranged in a linear array, and a plurality of elastic fixing blocks 4 are evenly arranged on three sides of the upper surface of the module base plate 3. The elastic fixing blocks 4 correspond to the positions of the side fixing openings 2. The upper surface of the module base plate 3 is fixedly connected to the power rectifier module. The components are stored and placed by setting the module box 1. A ventilation window 17 is provided on the side of the module box 1, and a ventilation block 5 and a negative pressure fan 8 are installed on the outside of the ventilation window 17. This arrangement can not only send out the heat inside the box in time, but also provide a shield to protect the module.

[0024] The power rectifier module includes a circuit board 10, which is fixedly connected to the upper surface of the module base plate 3. Four limit blocks 9 are fixedly connected to the upper surface of the module base plate 3. The limit blocks 9 are set in an "L" shape and are arranged on the inner side of the elastic fixing block 4. The four limit blocks 9 and the circuit board 10 are mutually engaged and connected. The upper surface of the circuit board 10 is electrically connected to a resistor 11, a chip 12, a capacitor 13 and a transformer 14. By providing the circuit board 10, the original cable wiring is replaced, the volume of the original module is further reduced, and the overall heat dissipation efficiency of the module can also be accelerated.

[0025] The elastic fixing block 4 is set in an inverted "J" shape, and the side fixing opening 2 is set obliquely with the outer side facing the inner side and upward. The elastic fixing block 4 is snap-fitted and connected to the side fixing opening 2, making the connection between the module base plate 1 and the module box 1 more convenient and quick;

[0026] The air barrier 5 is shaped like a trapezoidal prism and is disposed outside the air window 17. The end of the negative pressure fan 8 does not extend beyond the range of the air barrier 5. The side of the air barrier 5 away from the module 1 housing corresponding to the position of the motor 7 is not provided with an air vent 6.

[0027] Grooves 15 are provided at the four corners of the lower surface of the module base plate 3. Screws 16 are threadedly connected to the grooves 15. The screws 16 are threadedly connected to the inside of the module box 1 and the module base plate 3, further strengthening the connection between the module box 1 and the module base plate 3.

[0028] The functional principle of this utility model can be explained through the following operation modes:

[0029] First, a suitable circuit board 10 is selected, and various electrical components are welded on the circuit board 10, and they are spliced ​​and assembled into the required electrical module. First, the assembled electrical module is connected between the four limit blocks 9. By setting the circuit board 10, the original cable wiring is replaced, the volume of the original module is further reduced, and the overall heat dissipation efficiency of the module can also be accelerated. Then, the module box 1 is placed above the module base plate 3, and the side fixing port 2 and the elastic fixing block 4 are aligned with each other, and the module base plate 3 is pressed downward so that the side fixing port 2 and the elastic fixing block 4 are snap-connected, thereby realizing the assembly of the box. During use, the negative pressure fan 8 located inside the air barrier 5 is turned on to discharge the heat in the box. The components are stored and placed by setting the module box 1, and a air window 17 is set on the side of the module box 1, and an air barrier 5 and a negative pressure fan 8 are installed on the outside of the air window 17. This setting can not only send out the heat inside the box in time, but also provide a shield to protect the module.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and are not limiting. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A high-power power rectifier module structure, characterized in that: The invention comprises a module case (1) and a module base plate (3), wherein the module case (1) is arranged on the upper surface of the module base plate (3), a ventilation window (17) is arranged on one side surface of the module case (1), a ventilation baffle (5) is fixedly connected to the side surface of the module case (1), a plurality of air-release grids (6) are evenly arranged on the side surface of the ventilation baffle (5), three motors (7) are fixedly connected in a linear array on the inner side surface of the ventilation baffle (5) away from the module case (1), a negative pressure fan (8) is fixedly connected to the output end of the motor (7) on the side close to the module case (1), a plurality of side fixing openings (2) are evenly arranged in a linear array on the other three sides of the module case (1), a plurality of elastic fixing blocks (4) are evenly arranged on the three sides of the upper surface of the module base plate (3), the elastic fixing blocks (4) and the side fixing openings (2) are positioned corresponding to each other, and a power rectifier module is fixedly connected to the upper surface of the module base plate (3).

2. A high-power power rectifier module structure according to claim 1, characterized in that: in: The power rectifier module comprises a circuit board (10), the circuit board (10) is fixedly connected to the upper surface of the module base plate (3), the upper surface of the module base plate (3) is fixedly connected to four limit blocks (9), the limit blocks (9) are arranged in an "L" shape, the limit blocks (9) are arranged on the inner side of the elastic fixed block (4), the four limit blocks (9) and the circuit board (10) are mutually engaged and connected, and the upper surface of the circuit board (10) is electrically connected to a resistor (11), a chip (12), a capacitor (13) and a transformer (14).

3. A high-power power rectifier module structure according to claim 1, characterized in that: in: The elastic fixing block (4) is arranged in an inverted "J" shape, the side fixing opening (2) is arranged obliquely from the outer side toward the upper side of the inner side, and the elastic fixing block (4) is snap-fitted and connected in the side fixing opening (2).

4. A high-power power rectifier module structure according to claim 1, characterized in that: in: The side of the air-permeable baffle (5) away from the module 1 box body and corresponding to the position of the motor (7) is not provided with an air-release grid (6).

5. A high-power power rectifier module structure according to claim 1, characterized in that: in: The shape of the air-permeable baffle (5) is set to be a trapezoidal prism, and the air-permeable baffle (5) is arranged outside the air-permeable window (17), and the end of the negative pressure fan (8) does not exceed the range of the air-permeable baffle (5).

6. A high-power power rectifier module structure according to claim 1, characterized in that: in: Grooves (15) are provided at the four corners of the lower surface of the module base plate (3), and screws (16) are threadedly connected to the inner surfaces of the grooves (15), and the screws (16) are threadedly connected to the inside of the module box (1) and the module base plate (3).

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