An automatic cleaning mechanism for IGBT module heat sink substrate

Abstract

This utility model relates to the field of IGBT module heat dissipation substrate technology, specifically to an automatic cleaning mechanism for IGBT module heat dissipation substrates. The mechanism includes a body, a mounting bracket, and cleaning components. A second servo motor drives a first gear to rotate smoothly. Through the meshing of the gears, power is transmitted to a second gear, causing it to rotate as well. Driven by the rotating rod, a brush can meticulously and evenly clean the upper surface of the IGBT module heat dissipation substrate, ensuring no corner is missed. After cleaning, a high-efficiency dust pump uses a suction pipe to smoothly suck the residual dust generated during cleaning into the dust collection box through a carefully designed suction shell. This series of continuous operations not only greatly improves cleaning efficiency but also further reduces the amount of dust remaining on the upper surface of the IGBT module heat dissipation substrate, thereby effectively ensuring the heat dissipation performance and long-term stable operation of the equipment.

Description

Technical Field

[0001] This utility model relates to the field of IGBT module heat dissipation substrate technology, and in particular to an automatic cleaning mechanism for IGBT module heat dissipation substrate. Background Technology

[0002] With the rapid development of power electronics technology, Insulated Gate Bipolar Transistor (IGBT) modules have been widely used in new energy power generation, electric vehicles, and industrial frequency conversion due to their excellent performance. IGBT modules generate a large amount of heat during operation, and their heat dissipation performance directly affects the reliability, lifespan, and even the stability of the entire system. As a key component for heat transfer in IGBT modules, the cleanliness of the heat sink surface is crucial. The accumulation of dust, oil, or other particulate matter on the heat sink surface forms a thermal resistance layer, severely hindering effective heat dissipation. This leads to increased junction temperature of the IGBT module, resulting in performance degradation, reduced efficiency, and even thermal failure.

[0003] Currently, the cleaning of IGBT module heat sinks, especially during equipment maintenance or production, mainly relies on manual operation. Manual cleaning has many drawbacks. First, it is inefficient and time-consuming, especially when frequent cleaning or batch processing is required. Second, it is difficult to guarantee the uniformity and thoroughness of the cleaning effect. Manual operation is prone to missing corners or applying uneven force, resulting in incomplete cleaning or possible scratches on the surface. Furthermore, the dust generated during the cleaning process lacks effective control, which may cause secondary pollution and affect the surrounding equipment environment. Moreover, the dust cannot be collected and removed in time. These shortcomings not only increase maintenance costs but also prolong equipment downtime.

[0004] To address this, an automatic cleaning mechanism for the heat dissipation substrate of IGBT modules is proposed. Utility Model Content

[0005] Given that the above-mentioned traditional solutions are ineffective and the dust generated during the cleaning process lacks effective control, which may cause secondary pollution, this utility model is proposed.

[0006] To solve the above technical problems, this utility model provides the following technical solution: an automatic cleaning mechanism for an IGBT module heat dissipation substrate, comprising a body, a mounting frame, and a cleaning component. The mounting frame is disposed in the middle of the upper surface of the body, and the cleaning component is disposed on the mounting frame. The cleaning component includes a sliding groove, which is formed in the middle of the inner top surface of the mounting frame. A first servo motor is fixedly connected to the middle of the upper end of one side of the outer wall of the mounting frame. A threaded rod is fixedly connected to the output end of the first servo motor. A threaded sleeve is fitted on the outer side of one side of the threaded rod. A connecting plate is fixedly connected to the lower surface of the threaded sleeve. A first electric telescopic rod is fixedly connected to the front end and rear end of the lower surface of the connecting plate. A first mounting plate is fixedly connected to the output end of the first electric telescopic rod. A first gear is rotatably connected to the middle of one side of the lower surface of the first mounting plate. A second gear is provided at the front end and rear end of the first gear. The upper end of the second gear is rotatably connected to the first mounting plate. A second servo motor is fixedly connected to the middle of one side of the upper surface of the first mounting plate. The output end of the second servo motor is rotatably connected to the second gear.

[0007] In a preferred embodiment of the automatic cleaning mechanism for the heat dissipation substrate of the IGBT module described in this utility model, a rotating rod is fixedly connected to the middle of the lower surface of the first gear and the second gear, a second mounting plate is fixedly connected to the lower surface of the rotating rod, a brush is provided on the lower surface of the second mounting plate, a dust suction shell is fixedly connected to the side of the lower surface of the first mounting plate away from the first gear, a plurality of dust suction pipes are provided on the lower surface of the dust suction shell, and a dust suction pump is fixedly connected to one side of the upper surface of the mounting frame.

[0008] As a preferred embodiment of the automatic cleaning mechanism for the heat dissipation substrate of the IGBT module described in this utility model, a dust collection box is provided in the middle of the upper surface of the mounting bracket, and a cover plate is fixedly connected to the upper surface of the dust collection box by bolts. The suction end of the dust pump passes through a hose to the inner wall of the dust collection housing, and the discharge end of the dust pump passes through a hose to the inner wall of the dust collection box. A dustproof net is provided in the middle of the side of the dust collection box away from the dust pump. Limiting grooves are provided at the front and rear ends of the upper surface of the mounting bracket, and the upper ends of both sides of the connecting plate are inside the limiting grooves.

[0009] As a preferred embodiment of the automatic cleaning mechanism for the heat dissipation substrate of the IGBT module described in this utility model, the front end and rear end of the lower end of both sides of the inner wall of the mounting frame are fixedly connected to a second electric telescopic rod, the output end of the second electric telescopic rod is fixedly connected to a clamping plate, the outer wall of the clamping plate near the center of the mounting frame is fixedly connected to a rubber pad, and the inside of the machine body is rotatably connected to a rotating roller.

[0010] As a preferred embodiment of the automatic cleaning mechanism for the heat dissipation substrate of the IGBT module described in this utility model, a conveyor belt is sleeved on the outside of the rotating roller, a third servo motor is fixedly connected to the front end of one side of the outer wall of the machine body, and the output end of the third servo motor is fixedly connected to one side of the front rotating roller.

[0011] As a preferred embodiment of the automatic cleaning mechanism for the heat dissipation substrate of the IGBT module described in this utility model, wherein: a control panel, a first servo motor, a first electric telescopic rod, a second servo motor, a second electric telescopic rod, and a third servo motor are fixedly connected to the rear end of one side of the outer wall of the machine body and are electrically connected to the control panel; and support legs are fixedly connected to both sides of the lower surface of the machine body.

[0012] The beneficial effects of this utility model of an automatic cleaning mechanism for IGBT module heat sink substrate are as follows:

[0013] 1. The second servo motor drives the first gear to rotate smoothly. Through the meshing of the gears, the power is transmitted to the second gear, causing it to rotate as well. Driven by the rotating rod, the brush can thoroughly and evenly clean the upper surface of the IGBT module heat sink, ensuring that no corner is missed. After cleaning, a high-efficiency dust pump uses a suction pipe to smoothly suck the residual dust generated during the cleaning process into the dust collection box through a carefully designed suction shell. This series of continuous operations not only greatly improves cleaning efficiency but also further reduces the dust remaining on the upper surface of the IGBT module heat sink, thereby effectively ensuring the heat dissipation performance and long-term stable operation of the equipment.

[0014] 2. The limiting groove can improve the stability of the connecting plate movement. At the same time, the second electric telescopic rod drives the clamping plate to clamp the heat sink of the IGBT module, thereby preventing movement during cleaning, ensuring cleaning efficiency and quality, and making it highly practical. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0017] Figure 2 This is a side sectional view of the present invention.

[0018] Figure 3 This is a schematic diagram of the mounting bracket in this utility model.

[0019] Figure 4 for Figure 3 A magnified structural diagram of point A in the middle.

[0020] Explanation of reference numerals in the attached figures:

[0021] 1. Body; 2. Mounting bracket; 3. Cleaning components; 31. Slide rail; 32. First servo motor; 33. Threaded rod; 34. Threaded sleeve; 35. Connecting plate; 36. First electric telescopic rod; 37. First mounting plate; 38. Second servo motor; 39. First gear; 310. Second gear; 311. Rotating rod; 312. Second mounting plate; 313. Brush; 314. Dust collection shell; 315. Dust collection pipe; 316. Dust pump; 317. Dust collection box; 318. Cover plate; 319. Dustproof net; 320. Limiting groove; 4. Second electric telescopic rod; 5. Clamping plate; 6. Rubber pad; 7. Rotating roller; 8. Conveyor belt; 9. Third servo motor; 10. Control panel; 11. Support leg. Detailed Implementation

[0022] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0023] Example 1

[0024] Reference Figure 1-4 This is the first embodiment of the present invention, which provides an automatic cleaning mechanism for the heat dissipation substrate of an IGBT module, including a body 1, a mounting frame 2 and a cleaning component 3. The mounting frame 2 is disposed in the middle of the upper surface of the body 1, and the cleaning component 3 is disposed on the mounting frame 2. The cleaning component 3 includes a sliding groove 31, which is opened in the middle of the inner top surface of the mounting frame 2. A first servo motor 32 is fixedly connected to the middle of the upper end of the outer wall of one side of the mounting frame 2. A threaded rod 33 is fixedly connected to the output end of the first servo motor 32. A threaded sleeve 34 is sleeved on the outer side of one side of the threaded rod 33, and a connecting plate 35 is fixedly connected to the lower surface of the threaded sleeve 34.

[0025] The front and rear ends of the lower surface of the connecting plate 35 are fixedly connected to the first electric telescopic rod 36. The output end of the first electric telescopic rod 36 is fixedly connected to the first mounting plate 37. The middle of one side of the lower surface of the first mounting plate 37 is rotatably connected to the first gear 39. The front and rear ends of the first gear 39 are provided with the second gear 310. The upper ends of the second gear 310 are rotatably connected to the first mounting plate 37. The middle of one side of the upper surface of the first mounting plate 37 is fixedly connected to the second servo motor 38. The output end of the second servo motor 38 is rotatably connected to the second gear 310.

[0026] A rotating rod 311 is fixedly connected to the middle of the lower surface of both the first gear 39 and the second gear 310. A second mounting plate 312 is fixedly connected to the lower surface of both rotating rods 311. A brush 313 is provided on the lower surface of both second mounting plates 312. A dust collection shell 314 is fixedly connected to the side of the lower surface of the first mounting plate 37 away from the first gear 39. Multiple dust collection pipes 315 are provided on the lower surface of the dust collection shell 314. A dust pump 316 is fixedly connected to one side of the upper surface of the mounting frame 2. A dust collection box 317 is provided in the middle. A cover plate 318 is fixedly connected to the upper surface of the dust collection box 317 by bolts. The suction end of the dust pump 316 passes through the inner wall of the dust collection housing 314 through a hose. The discharge end of the dust pump 316 passes through the inner wall of the dust collection box 317 through a hose. A dustproof net 319 is provided in the middle of the side of the dust collection box 317 away from the dust pump 316. Limiting grooves 320 are provided at the front and rear ends of the upper surface of the mounting bracket 2. The upper ends of both sides of the connecting plate 35 are inside the limiting grooves 320.

[0027] Furthermore, the second servo motor 38 drives the first gear 39 to rotate smoothly, and through the meshing of the gears, the power is transmitted to the second gear 310, causing it to rotate as well. Thus, driven by the rotating rod 311, the brush 313 can thoroughly and evenly clean the upper surface of the IGBT module heat sink, ensuring that no corner is missed. After the cleaning is completed, the high-efficiency dust pump 316 and the dust suction pipe 315 smoothly suck the residual dust generated during the cleaning process into the dust collection box 317 through the carefully designed dust suction shell 314. This series of continuous operations not only greatly improves the cleaning efficiency, but also further reduces the dust remaining on the upper surface of the IGBT module heat sink, thereby effectively ensuring the heat dissipation performance and long-term stable operation of the equipment.

[0028] Example 2

[0029] Reference Figure 1-4 This is the second embodiment of the present invention, which differs from the first embodiment in that:

[0030] The lower ends of both sides of the inner wall of the mounting frame 2 are fixedly connected to the front and rear ends of the second electric telescopic rod 4. The output end of the second electric telescopic rod 4 is fixedly connected to the clamping plate 5. The outer wall of the clamping plate 5 near the center of the mounting frame 2 is fixedly connected to the rubber pad 6. The inside of the machine body 1 is rotatably connected to the rotating roller 7. The outside of the rotating roller 7 is fitted with the conveyor belt 8. The front end of the outer wall of one side of the machine body 1 is fixedly connected to the third servo motor 9. The output end of the third servo motor 9 is fixedly connected to one side of the front rotating roller 7. The rear end of the outer wall of one side of the machine body 1 is fixedly connected to the control panel 10. The first servo motor 32, the first electric telescopic rod 36, the second servo motor 38, the second electric telescopic rod 4 and the third servo motor 9 are all electrically connected to the control panel 10. The lower surfaces of the machine body 1 are fixedly connected to both sides of the support leg 11.

[0031] Furthermore, the limiting groove 320 can improve the stability of the movement of the connecting plate 35, and the second electric telescopic rod 4 can drive the clamping plate 5 to clamp the heat sink substrate of the IGBT module, thereby preventing movement during cleaning, ensuring cleaning efficiency and quality, and making it highly practical.

[0032] The remaining structure is the same as that in Example 1.

[0033] The specific operating principle of this utility model is as follows:

[0034] By placing the IGBT module heat sink on the conveyor belt 8, the third servo motor 9 drives the rotating roller 7 to rotate, thereby moving the IGBT module heat sink on the conveyor belt 8 forward. When the IGBT module heat sink reaches below the mounting frame 2;

[0035] At the same time, the second electric telescopic rod 4 drives the clamping plate 5 to clamp the heat dissipation substrate of the IGBT module, thereby preventing movement during cleaning and ensuring its cleaning efficiency and quality.

[0036] The first electric telescopic rod 36 drives the first mounting plate 37 to extend and retract, so that the brush 313 is in close contact with the upper surface of the IGBT module heat sink substrate; then the second servo motor 38 drives the first gear 39 to rotate smoothly, and then through the meshing between the gears, the power is transmitted to the second gear 310, so that it also rotates, and thus the brush 313 rotates under the drive of the rotating rod 311.

[0037] Then, the first servo motor 32 drives the threaded rod 33 to rotate, and the threaded sleeve 34 drives the lower surface connecting plate 35 to move. While the connecting plate 35 moves, the set limit groove 320 can improve the stability of its movement. Then, the brush 313 drives the brush to thoroughly and evenly clean the upper surface of the IGBT module heat sink substrate, ensuring that no corner is missed. After the cleaning work is completed, the high-efficiency dust pump 316 uses the dust suction pipe 315 to smoothly suck the residual dust generated during the cleaning process into the dust collection box 317 through the carefully designed dust suction shell 314. This series of continuous operations not only greatly improves the cleaning efficiency, but also further reduces the dust remaining on the upper surface of the IGBT module heat sink substrate, thereby effectively ensuring the heat dissipation performance and long-term stable operation of the equipment.

[0038] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. An automatic cleaning mechanism for the heat dissipation substrate of an IGBT module, characterized in that, The system includes a body (1), a mounting bracket (2), and a cleaning component (3). The mounting bracket (2) is located in the middle of the upper surface of the body (1). The cleaning component (3) is located on the mounting bracket (2). The cleaning component (3) includes a slide groove (31) located in the middle of the inner top surface of the mounting bracket (2). A first servo motor (32) is fixedly connected to the middle of the upper part of the outer wall of one side of the mounting bracket (2). A threaded rod (33) is fixedly connected to the output end of the first servo motor (32). A threaded sleeve (34) is fitted on the outer side of one side of the threaded rod (33). A connecting plate (35) is fixedly connected to the lower surface of the threaded sleeve (34). The front and rear ends of the lower surface of the connecting plate (35) are fixedly connected to the first electric telescopic rod (36), the output end of the first electric telescopic rod (36) is fixedly connected to the first mounting plate (37), the middle of one side of the lower surface of the first mounting plate (37) is rotatably connected to the first gear (39), the front and rear ends of the first gear (39) are both provided with the second gear (310), the upper end of the second gear (310) is rotatably connected to the first mounting plate (37), the middle of one side of the upper surface of the first mounting plate (37) is fixedly connected to the second servo motor (38), and the output end of the second servo motor (38) is rotatably connected to the second gear (310).

2. The automatic cleaning mechanism for the heat dissipation substrate of an IGBT module according to claim 1, characterized in that... A rotating rod (311) is fixedly connected to the middle of the lower surface of the first gear (39) and the second gear (310). A second mounting plate (312) is fixedly connected to the lower surface of the rotating rod (311). A brush (313) is provided on the lower surface of the second mounting plate (312). A dust collection shell (314) is fixedly connected to the side of the lower surface of the first mounting plate (37) away from the first gear (39). A plurality of dust collection pipes (315) are provided on the lower surface of the dust collection shell (314). A dust pump (316) is fixedly connected to one side of the upper surface of the mounting frame (2).

3. The automatic cleaning mechanism for the heat dissipation substrate of an IGBT module according to claim 2, characterized in that... A dust collection box (317) is provided in the middle of the upper surface of the mounting bracket (2). A cover plate (318) is fixedly connected to the upper surface of the dust collection box (317) by bolts. The suction end of the dust pump (316) is penetrated through a hose to the inner wall of the dust collection shell (314). The discharge end of the dust pump (316) is penetrated through a hose to the inner wall of the dust collection box (317). A dustproof net (319) is provided in the middle of the side of the dust collection box (317) away from the dust pump (316). Limiting grooves (320) are opened at the front and rear ends of the upper surface of the mounting bracket (2). The upper ends of both sides of the connecting plate (35) are inside the limiting grooves (320).

4. The automatic cleaning mechanism for the heat dissipation substrate of an IGBT module according to claim 1, characterized in that... The front and rear ends of the lower ends of the inner walls of the mounting frame (2) are fixedly connected to the second electric telescopic rod (4). The output end of the second electric telescopic rod (4) is fixedly connected to the clamping plate (5). The outer wall of the clamping plate (5) near the center of the mounting frame (2) is fixedly connected to the rubber pad (6). The inside of the machine body (1) is rotatably connected to the rotating roller (7).

5. An automatic cleaning mechanism for an IGBT module heat dissipation substrate according to claim 4, characterized in that... The rotating roller (7) is fitted with a conveyor belt (8), and a third servo motor (9) is fixedly connected to the front end of one side of the outer wall of the machine body (1). The output end of the third servo motor (9) is fixedly connected to one side of the front rotating roller (7).

6. The automatic cleaning mechanism for the heat dissipation substrate of an IGBT module according to claim 5, characterized in that... The rear end of one side of the outer wall of the machine body (1) is fixedly connected to a control panel (10), the first servo motor (32), the first electric telescopic rod (36), the second servo motor (38), the second electric telescopic rod (4) and the third servo motor (9), all of which are electrically connected to the control panel (10). Support legs (11) are fixedly connected to both sides of the lower surface of the machine body (1).

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