A plate type sic power module injection packaging device

Abstract

This invention discloses a plate-type SiC power module injection molding and packaging device, including a base, a vertical plate, a top plate, a material discharge device, a connecting hose, and a cylinder fixedly connected to the top of the top plate, with an extension rod fixedly connected to the cylinder's output end. This invention utilizes the coordinated use of a first connecting rod, a support rod, a coil spring, a hollow column, an air bladder, a convex plate, and a slider. This allows the operator to control the cylinder to inject and package the SiC module while simultaneously using the coil spring to drive the air bladder to collect and expel air. This accelerates the cooling of the SiC module surface without the need for additional drive, thereby improving the equipment's efficiency to a certain extent. Furthermore, by concentrating and compressing the gas into the outlet pipe, the compressed air can clean residual plastic particles at the bottom of the upper mold, thus ensuring the quality of the injection molding and packaging.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of injection molding packaging, and particularly relates to a plate-type sic power module injection molding packaging device. BACKGROUND

[0002] Injection molding is a method for producing and shaping industrial products, and products are usually molded by rubber injection and plastic injection. Injection molding can be divided into injection molding and die casting, and in order to prolong the service life of part of existing sic semiconductor power modules, the sic semiconductor power modules need to be injection molded and packaged, so that the internal structure of the sic semiconductor power modules is protected by plastic, and the service life of the sic semiconductor power modules is prolonged.

[0003] However, after the sic semiconductor modules are injection molded and packaged by part of the existing injection molding packaging devices, the plastic needs to be cooled for 30-60 minutes, so that the plastic can be combined with the sic semiconductor, part of the existing injection molding packaging devices usually utilizes additional resources to drive a fan to accelerate the cooling rate of the plastic, so that the consumption of resources is increased to a certain extent, and part of the plastic particles that are not fully combined can be adhered to the surface of the upper mold, so that the quality of the injection molding packaging is affected. SUMMARY

[0004] The application aims to provide a plate-type sic power module injection molding packaging device to solve the problems in the background.

[0005] In order to solve the above technical problems, the application provides the following technical scheme: a plate-type sic power module injection molding packaging device, which comprises a base, a vertical plate fixedly connected to one end of the top of the base, a top plate fixedly connected to the top of the vertical plate, a discharging device fixedly installed at the top of the top plate, a connecting hose fixedly connected to the bottom of the discharging device, a gas cylinder fixedly connected to the top of the top plate, an extension rod fixedly connected to the output end of the gas cylinder, an installation plate fixedly connected to the bottom of the extension rod, an upper mold fixedly connected to the bottom of the installation plate, a lower mold fixedly connected to the top of the base, a placing groove formed in the surface of the lower mold, a first connecting rod fixedly connected to the top of the top of the installation plate in a symmetrical mode, two supporting rods fixedly connected to the outer wall of the vertical plate in a symmetrical mode, a coil spring sleeved outside the supporting rod, a hollow column sleeved outside the coil spring, an installation block fixedly connected to the outer wall of the vertical plate in a symmetrical mode, a second installation groove formed in the installation block, and an air bag arranged in the second installation groove.

[0006] Further, one end of the coil spring is fixedly connected with the supporting rod, the other end of the coil spring is fixedly connected with the hollow column, the outer wall of the hollow column is fixedly connected with a lug plate matched with the first connecting rod, the lug plate is moved by the first connecting rod, so that the lug plate drives the coil spring to move back and forth, and the cycle of air bag inhaling and spraying is completed.

[0007] Further, the outer wall of the hollow column is provided with a third installation groove, the inner wall of the third installation groove is hingedly connected with a second connecting rod, the inside of the installation block is slidably connected with a sliding block, the top of the installation block is provided with a through groove, the second connecting rod is hingedly connected with the sliding block through the through groove, the stability of the sliding block during reciprocating movement is ensured by the sliding connection between the sliding block and the installation block, and then the stability of the air bag during inhaling and spraying is ensured.

[0008] Further, the bottom of the air bag is fixedly connected with the second installation groove, the top outer wall of the air bag is slidably connected with the second installation groove, the top of the air bag is fixedly connected with a pressing block, the top of the pressing block is fixedly connected with the bottom of the sliding block, the air bag can inhale and spray during the movement of the pressing block driven by the sliding block, and then the cycle of work is completed.

[0009] Further, the bottom of the installation block is fixedly connected with an air inlet pipe, the bottom of the installation block is fixedly connected with an air outlet pipe, the air inlet pipe is fixedly connected with the bottom of the air bag through the installation block, the air outlet pipe is fixedly connected with the air bag through the bottom of the installation block, the air bag is connected with the air inlet pipe, and the air bag is connected with the air outlet pipe, so that the air inlet pipe and the air outlet pipe can ensure the air collection and air outlet of the air bag, so that the air bag can better cool the plastic on the surface of the sic module through the air outlet pipe, and then the efficiency of the overall processing of the equipment is accelerated.

[0010] Further, the outer wall of the air inlet pipe is fixedly provided with a one-way air inlet valve, the outer wall of the air outlet pipe is fixedly provided with a one-way air outlet valve, one end of the air outlet pipe faces the top of the lower mold, the one-way air inlet valve can prevent the air bag from spraying gas through the air inlet pipe during spraying, so that all the gas is sprayed through the air outlet pipe, and then the flow rate and flow of the gas are ensured, and then the efficiency of the gas spraying cooling is ensured.

[0011] Further, the top of the top plate is fixedly provided with a water storage tank in a symmetrical manner, the bottom of the water storage tank is fixedly connected with a communication pipe, the inside of the lower mold is provided with a water storage groove, the communication pipe is connected with the water storage groove through the lower mold, and the outer wall of the communication pipe is fixedly provided with a pressure valve, so that when the pressure in the water storage groove increases, the pressure valve can be automatically opened, so that the cooling liquid in the water storage groove is discharged from the water storage groove after absorbing heat, and then the quality of cooling is prevented from being affected by the high temperature of the router.

[0012] Furthermore, a push rod is symmetrically slidably connected inside the water storage tank. The top of the push rod passes through the water storage tank and extends to the top of the lower mold. A rubber plug is fixedly connected to the bottom of the push rod. The outer wall size of the rubber plug is adapted to the inner wall size of the water storage tank. The rubber plug can effectively prevent water inside the connecting pipe from flowing into the water storage tank below the rubber plug under the influence of gravity, thereby preventing the coolant replacement rate from being too fast and thus preventing it from increasing the burden on the staff.

[0013] Furthermore, the water storage tank is symmetrically and fixedly connected with springs adapted to the rubber stopper. The top of the spring is fixedly connected to the rubber stopper. The water storage tank is symmetrically provided with water filling tanks. When the rubber stopper moves to the water filling tank, the rubber stopper cannot completely isolate the connection between the coolant inside the connecting pipe and the coolant inside the water storage tank. As a result, the coolant inside the water storage tank falls into the water storage tank through the connecting pipe under the action of gravity, thereby realizing the replacement of the coolant.

[0014] Furthermore, a water outlet pipe is fixedly connected to the bottom of the water storage tank, and a water receiving tank is fixedly installed inside the base. A water receiving pipe is fixedly connected to one end of the water receiving tank. The coolant is recovered through the water receiving tank and the water receiving pipe, so that the coolant can be cooled down and reused, thereby realizing the reuse of resources.

[0015] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0016] 1. This invention utilizes the coordinated use of a first connecting rod, a support rod, a coil spring, a hollow column, an airbag, a convex plate, and a slider. This allows the operator to control the cylinder to injection mold the SiC module while the coil spring, through its own rebound, drives the hollow column to rotate clockwise. This causes the hollow column to move the slider and extrusion block upwards, inflating the airbag. As the operator controls the cylinder to raise the mounting plate, the first connecting rod presses the convex plate, causing the convex plate to drive the hollow column to rotate counter-clockwise. This further tightens the coil spring. The counter-clockwise rotation of the hollow column drives the second connecting rod to press the slider and extrusion block inside the second mounting groove. This allows the extrusion block to press the airbag, causing the air inside the airbag to be discharged through the air outlet. This accelerates the cooling of the SiC module surface without additional drive, thus improving the efficiency of the equipment. Furthermore, by concentrating and compressing the gas into the air outlet, the compressed air can clean any residual plastic particles at the bottom of the upper mold, ensuring the quality of the injection molding.

[0017] 2. This invention utilizes a combination of a push rod, a rubber plug, a spring, and a water tank. As the mounting plate descends, it presses against the push rod, causing the push rod to move the rubber plug and spring downwards. The rubber plug compresses the water inside the water tank, increasing the pressure and opening the pressure valve. This allows some of the coolant, after absorbing heat, to flow through the outlet pipe into the receiving tank. When the rubber plug reaches the water tank, the coolant in the receiving tank falls back into the water tank due to gravity. The water tank then replenishes the lost coolant, preventing excessively high coolant temperatures from affecting cooling quality. This automatic coolant replacement reduces the workload for workers and improves the overall processing efficiency of the equipment. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0019] Figure 1 This is a cross-sectional structural diagram of the present invention when it is not in operation;

[0020] Figure 2 This is a cross-sectional structural diagram of the entire invention during operation;

[0021] Figure 3 This is a partial side view cross-sectional structural schematic diagram of the present invention;

[0022] Figure 4 for Figure 1 Enlarged view of the structure at point A;

[0023] Figure 5 for Figure 2 Enlarged view of the structure at point B;

[0024] Figure 6 for Figure 1 Enlarged view of the structure at point C;

[0025] Figure 7 for Figure 2 Enlarged view of the structure at point D.

[0026] In the diagram: 1. Base; 2. Vertical plate; 3. Top plate; 4. Discharge device; 5. Connecting hose; 6. Cylinder; 7. Extension rod; 8. Mounting plate; 9. Upper mold; 10. Lower mold; 11. Placement slot; 13. First connecting rod; 14. Support rod; 15. Coil spring; 16. Hollow column; 17. Mounting block; 18. Second mounting slot; 19. Airbag; 20. Protruding plate; 21. Third mounting slot; 22. Second connecting rod; 23. Slider; 24. Through slot; 25. Extrusion block; 26. Air inlet pipe; 27. Air outlet pipe; 28. One-way air inlet valve; 29. ​​One-way air outlet valve; 30. Water storage tank; 31. Connecting pipe; 32. Water storage tank; 33. Pressure valve; 34. Push rod; 35. Rubber plug; 36. Spring; 37. Water filling tank; 38. Water outlet pipe; 39. Water receiving tank; 40. Water receiving pipe. Detailed Implementation

[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] Please see Figure 1 - Figure 5This invention provides a technical solution: a plate-type SiC power module injection molding and packaging device, comprising a base 1, a vertical plate 2 fixedly connected to one end of the top of the base 1, a top plate 3 fixedly connected to the top of the vertical plate 2, a discharge device 4 fixedly installed on the top of the top plate 3, a connecting hose 5 fixedly connected to the bottom of the discharge device 4, a cylinder 6 fixedly connected to the top of the top plate 3, an extension rod 7 fixedly connected to the output end of the cylinder 6, a mounting plate 8 fixedly connected to the bottom of the extension rod 7, an upper mold 9 fixedly connected to the bottom of the mounting plate 8, and a lower mold 10 fixedly connected to the top of the base 1. The lower mold 10 has a placement groove 11 on its surface. A first connecting rod 13 is symmetrically fixedly connected to the top of the mounting plate 8. Two support rods 14 are symmetrically fixedly connected to the outer wall of the vertical plate 2. A coil spring 15 is sleeved on the outside of the support rod 14, and a hollow column 16 is sleeved on the outside of the coil spring 15. Mounting blocks 17 are symmetrically fixedly connected to the outer wall of the vertical plate 2. A second mounting groove 18 is formed inside the mounting block 17, and an airbag 19 is installed inside the second mounting groove 18. One end of the coil spring 15 is fixedly connected to the support rod 14, and the other end of the coil spring 15 is fixedly connected to the hollow column 16. A protruding plate 20, adapted to the first connecting rod 13, is fixedly connected to the outer wall of the hollow column 16. A third mounting groove 21 is opened on the outer wall of the hollow column 16. A second connecting rod 22 is hinged to the inner wall of the third mounting groove 21. A slider 23 is slidably connected inside the mounting block 17. A through groove 24 is opened on the top of the mounting block 17. The second connecting rod 22 is hinged to the slider 23 through the through groove 24. The bottom of the airbag 19 is fixedly connected to the second mounting groove 18. The outer wall of the top of the airbag 19 is slidably connected to the second mounting groove 18. A compression block 25 is fixedly connected to the top of the airbag 19. The top of the compression block 25... The bottom of the mounting block 17 is fixedly connected to the bottom of the slider 23. An air inlet pipe 26 is fixedly connected to the bottom of the mounting block 17, and an air outlet pipe 27 is fixedly connected to the bottom of the mounting block 17. The air inlet pipe 26 is fixedly connected to the bottom of the air bag 19 through the mounting block 17, and the air outlet pipe 27 is fixedly connected to the bottom of the mounting block 17. The air bag 19 is connected to the air inlet pipe 26 and the air outlet pipe 27. A one-way air inlet valve 28 is fixedly installed on the outer wall of the air inlet pipe 26, and a one-way air outlet valve 29 is fixedly installed on the outer wall of the air outlet pipe 27. One end of the air outlet pipe 27 faces the top of the lower mold 10.

[0029] The specific implementation method is as follows: When the cylinder 6 is not in operation, the coil spring 15 is in a tightened state. However, when the operator needs to encapsulate the SiC semiconductor, it is first placed into the placement slot 11 at the top of the lower mold 10. Then, the extension rod 7 is lowered by opening the cylinder 6. During the descent of the extension rod 7, the mounting plate 8 and the upper mold 9 are driven to descend. When the upper mold 9 is in contact with the placement slot 11, the discharge device 4 is opened to allow the material to enter the SiC module inside the placement slot 11 through the mounting plate 8 and the upper mold 9, thereby encapsulating it. During the descent of the extension rod 7, the first connecting rod 13 is simultaneously driven to descend. At this time, the first connecting rod 13 does not... When the protruding plate 20 is pressed again, the coil spring 15 is no longer under pressure and begins to rebound. The coil spring 15 drives the hollow column 16 to rotate to the right along the support rod 14, thereby causing the hollow column 16 to drive the protruding plate 20 to rotate and move to the right, so that the protruding plate 20 is always in contact with the top of the first connecting rod 13. At the same time, during the rotation of the hollow column 16, it drives the second connecting rod 22 inside the third mounting groove 21 to move to the upper left, thereby causing the second connecting rod 22 to drive the slider 23 and the extrusion block 25 to move through the through groove 24, thereby causing the slider 23 and the extrusion block 25 to slide inside the second mounting groove 18. As the extrusion block 25 rises, it drives the slider 23 and the extrusion block 25 to slide inside the second mounting groove 18. The airbag 19 is inflated through the air inlet pipe 26. After the discharge device 4 has finished conveying the plastic through the connecting hose 5, the operator controls the cylinder 6 to drive the extension rod 7 to rise. At this time, the extension rod 7 drives the mounting plate 8 and the first connecting rod 13 to press the convex plates 20 on both sides of the top. This causes the convex plates 20 to drive the hollow column 16 to press the coil spring 15 centered on the support rod 14, causing the coil spring 15 to retract. During the counterclockwise rotation of the hollow column 16, the second connecting rod 22 will move to the lower right. During the movement of the second connecting rod 22, the slider 23 inside the mounting block 17 will be pressed, causing the slider 23 to move along the second connecting rod 17. As the mounting slot 18 moves downward, the slider 23 squeezes the extrusion block 25 and the airbag 19, causing the airbag 19 to expel the extracted air through the exhaust pipe 27. The one-way air inlet valve 28 prevents the airbag 19 from being expelled through the air inlet pipe 26 when it is venting, thus ensuring the airflow and velocity. The air cools the plastic on the surface of the SiC semiconductor and cleans the plastic at the bottom of the upper mold 9 with the high-speed compressed air. This allows the equipment to accelerate the cooling of the plastic while reducing energy waste and, to some extent, remove plastic particles from the surface of the upper mold 9, thereby reducing the workload of the workers.

[0030] Please see Figure 1 , Figure 2 , Figure 6 and Figure 7The present invention provides a technical solution: a plate-type SiC power module injection molding and packaging device, wherein a water storage tank 30 is symmetrically fixedly installed on the top of the top plate 3, and a connecting pipe 31 is fixedly connected to the bottom of the water storage tank 30. A water storage tank 32 is opened inside the lower mold 10. The connecting pipe 31 is connected to the water storage tank 32 through the lower mold 10. A pressure valve 33 is fixedly installed on the outer wall of the connecting pipe 31. A push rod 34 is symmetrically slidably connected inside the water storage tank 32. The top of the push rod 34 passes through the water storage tank 32 and extends to the lower mold. The top of the device has a rubber plug 35 fixedly connected to the bottom of the top rod 34. The outer wall size of the rubber plug 35 is adapted to the inner wall size of the water storage tank 32. The water storage tank 32 is symmetrically fixedly connected to a spring 36 adapted to the rubber plug 35. The top of the spring 36 is fixedly connected to the rubber plug 35. The water storage tank 32 is symmetrically provided with a water filling tank 37. The bottom of the water storage tank 32 is fixedly connected to a water outlet pipe 38. The base 1 is fixedly installed with a water receiving tank 39. One end of the water receiving tank 39 is fixedly connected to a water receiving pipe 40.

[0031] The specific implementation method is as follows: When the discharge device 4 injects the internal plastic into the placement tank 11 through the connecting hose 5, the coolant inside the water storage tank 32 will quickly absorb the heat of the plastic through heat conduction. As the mounting plate 8 descends, it will squeeze the push rod 34 at the top of the mold 10. At this time, the push rod 34 will drive the rubber plug 35 inside the water storage tank 32 to move downward. As the rubber plug 35 descends, it will squeeze the coolant inside the water storage tank 32. When the original coolant inside the water storage tank 32 is squeezed, the pressure valve 33 will open, allowing some of the coolant that has absorbed heat to enter the water receiving tank 39 through the water outlet pipe 38. As the rubber plug 35 continues to move downward, when the rubber plug 35 moves to the water filling tank 37, since the water storage tank 30 is connected to the water storage tank 32 through the connecting pipe 31, and the coolant inside the water storage tank 32 is reduced at this time, the coolant inside the water storage tank 30 will be cooled. The coolant flows into the top of the rubber stopper 35 through the connecting pipe 31 under gravity, and finally enters the water storage tank 32 through the water filling tank 37, thus completing the replacement of the coolant inside the water storage tank 32. This prevents the coolant temperature inside the water storage tank 32 from being too high, affecting the cooling quality and thus preventing it from affecting processing efficiency. After the SIC module inside the placement tank 11 is packaged, the operator controls the cylinder 6 to drive the mounting plate 8 to rise. At this time, the mounting plate 8 no longer presses against the top rod 34, and the top of the spring 36 is no longer under pressure and begins to rebound, thereby driving the rubber stopper 35 and the top rod 34 to move upward. During the upward movement of the rubber stopper 35, it blocks the water filling tank 37 again, thus preventing the coolant from being added too quickly. This facilitates the continuous and intermittent replacement of coolant, thereby ensuring the quality of coolant operation and improving work efficiency while reducing the burden on the operators.

[0032] Working principle of the invention: Refer to Figure 1 - Figure 5Through the coordinated use of the first connecting rod 13, support rod 14, coil spring 15, hollow column 16, airbag 19, convex plate 20, and slider 23, while the operator controls the cylinder 6 to injection mold the SIC module, the coil spring 15 can, through its own rebound, drive the hollow column 16 to rotate clockwise. This causes the hollow column 16 to move the slider 23 and the extrusion block 25 upwards, inflating the airbag 19. Simultaneously, as the operator controls the cylinder 6 to raise the mounting plate 8, the first connecting rod 13 presses the convex plate 20, causing the convex plate 20 to drive the hollow column 16 to rotate counterclockwise. The coil spring 15 is tightened again, and during the counterclockwise rotation of the hollow column 16, the second connecting rod 22 is driven to squeeze the slider 23 and the extrusion block 25 inside the second mounting groove 18. This allows the extrusion block 25 to squeeze the airbag 19, causing the air inside the airbag 19 to be discharged through the air outlet pipe 27. This accelerates the cooling of the SIC module surface without the need for additional drive, thereby improving the efficiency of the equipment to a certain extent. Furthermore, by concentrating and compressing the gas into the air outlet pipe 27, the compressed air can clean the residual plastic particles at the bottom of the upper mold 9, thus ensuring the quality of the injection molding and packaging.

[0033] Further, please refer to the appendix to the instruction manual. Figure 1 , Figure 2 , Figure 6 and Figure 7 Through the coordinated use of the push rod 34, rubber plug 35, spring 36, and water tank 37, the mounting plate 8 can squeeze the push rod 34 during its descent. This causes the push rod 34 to move the rubber plug 35 and spring 36 downwards. The rubber plug 35 squeezes the water inside the water tank 32, increasing the pressure inside the water tank 32 and opening the pressure valve 33. This allows some of the coolant that has absorbed heat to enter the water receiving tank 39 through the outlet pipe 38. When the rubber plug 35 moves to the water tank 37, the coolant inside the water tank 30 falls into the water tank 32 due to gravity. The water tank 37 then replenishes the coolant lost from the water tank 32, preventing the coolant temperature from becoming too high and affecting the cooling quality. This achieves automatic coolant replacement while reducing the workload of the workers, thereby improving the overall processing efficiency of the equipment to a certain extent.

[0034] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A plate type sic power module injection packaging device, comprising a base (1); a vertical plate (2) is fixedly connected to one end of the top of the base (1); a top plate (3) is fixedly connected to the top of the vertical plate (2); an outlet device (4) is fixedly installed on the top of the top plate (3), a connecting hose (5) is fixedly connected to the bottom of the outlet device (4); characterized in that: the top of the top plate (3) is fixedly connected with a cylinder (6), the output end of the cylinder (6) is fixedly connected with an extension rod (7), the bottom of the extension rod (7) is fixedly connected with a mounting plate (8), the bottom of the mounting plate (8) is fixedly connected with an upper mold (9), the top of the base (1) is fixedly connected with a lower mold (10), the surface of the lower mold (10) is provided with a placing groove (11), the top of the mounting plate (8) is fixedly connected with a first connecting rod (13) symmetrically, the outer wall of the vertical plate (2) is fixedly connected with two supporting rods (14) symmetrically, the outer part of the supporting rod (14) is sleeved with a coil spring (15), the outer part of the coil spring (15) is sleeved with a hollow column (16), the outer wall of the vertical plate (2) is fixedly connected with a mounting block (17) symmetrically, the inside of the mounting block (17) is provided with a second installation groove (18), the inside of the second installation groove (18) is provided with an air bag (19); one end of the coil spring (15) is fixedly connected with the supporting rod (14), the other end of the coil spring (15) is fixedly connected with the hollow column (16), the outer wall of the hollow column (16) is fixedly connected with a convex plate (20) matched with the first connecting rod (13); the outer wall of the hollow column (16) is provided with a third installation groove (21), the second connecting rod (22) is hinged to the inner wall of the third installation groove (21), the inside of the mounting block (17) is slidingly connected with a sliding block (23), the top of the mounting block (17) is provided with a through groove (24), the second connecting rod (22) is hinged to the sliding block (23) through the through groove (24); the bottom of the air bag (19) is fixedly connected with the second installation groove (18), the top outer wall of the air bag (19) is slidingly connected with the second installation groove (18), the top of the air bag (19) is fixedly connected with a pressing block (25), the top of the pressing block (25) is fixedly connected with the bottom of the sliding block (23); the bottom of the mounting block (17) is fixedly connected with an air inlet pipe (26), the bottom of the mounting block (17) is fixedly connected with an air outlet pipe (27), the air inlet pipe (26) is fixedly connected with the bottom of the air bag (19) through the mounting block (17), the air outlet pipe (27) is fixedly connected with the air bag (19) through the bottom of the mounting block (17), the air bag (19) is communicated with the air inlet pipe (26), the air bag (19) is communicated with the air outlet pipe (27).

2. The injection-molding encapsulation of a plate-type SiC power module according to claim 1, characterized in that: The outer wall of the air inlet pipe (26) is fixedly installed with a one-way air inlet valve (28), the outer wall of the air outlet pipe (27) is fixedly installed with a one-way air outlet valve (29), one end of the air outlet pipe (27) faces the top of the lower mold (10).

3. The injection-molding encapsulation of a plate-type SiC power module according to claim 1, characterized in that: The top plate (3) top symmetrical fixed installation has water storage tank (30), water storage tank (30) bottom fixedly connected with the communication pipe (31), the lower mold (10) is internally provided with water storage tank (32), the communication pipe (31) is communicated with water storage tank (32) through the lower mold (10), the communication pipe (31) outer wall fixedly connected with pressure valve (33).

4. The injection-molding encapsulation of a plate-type SiC power module according to claim 3, characterized in that: The water storage tank (32) is symmetrically connected with the top rod (34) inside the sliding connection, the top rod (34) top penetrates in water storage tank (32) and extends to the top of lower mold (10), the bottom of top rod (34) is fixedly connected with rubber plug (35), the rubber plug (35) outer wall size is compatible with the inner wall size of water storage tank (32).

5. The injection-molded encapsulation of a plate-type SiC power module according to claim 4, characterized in that: The water storage tank (32) is symmetrically fixedly connected with the spring (36) compatible with rubber plug (35) inside, the spring (36) top is fixedly connected with rubber plug (35), the water storage tank (32) is symmetrically provided with water tank (37) inside.

6. The injection-molded encapsulation of a plate-type SiC power module according to claim 3, characterized in that: The water storage tank (32) bottom is fixedly connected with the water outlet pipe (38), the base (1) is internally fixedly installed with the water receiving tank (39), one end of the water receiving tank (39) is fixedly connected with the water receiving pipe (40).

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