Power supply module aging monitoring device

Abstract

The utility model provides a power supply module aging monitoring device which comprises a mounting shell, one side of the mounting shell is provided with an opening, the mounting shell is internally provided with a mounting space communicated with the opening, the inner wall of the mounting space is provided with a carrier plate in the horizontal direction, and the upper end of the carrier plate is provided with a plurality of first heat transfer holes communicated with the interior of the carrier plate. The power module is placed above the first heat transfer hole, a first heating plate is arranged at the position, perpendicularly corresponding to the first heat transfer hole, in the carrier plate, side shells are arranged on the two sides, symmetrical about the first heat transfer hole, of the upper end of the carrier plate correspondingly, and second heat transfer holes communicating with the interiors of the side shells are formed in the middles of the sides, close to each other, of the two side shells. By arranging the first heat transfer hole, the first heating plate, the second heat transfer hole, the second heating plate, the third heat transfer hole and the third heating plate, the main part of the power supply module is heated from up, down, left and right directions, so that the overall heating temperature of the power supply module is kept uniform, and the accuracy of a monitoring result is improved.

Description

Technical Field

[0001] This utility model relates to the field of power supply testing equipment technology, and in particular to a power module aging monitoring device. Background Technology

[0002] The main functions of a power module include power conversion, power control, power protection, electromagnetic compatibility, and high efficiency. Specifically, a power module can convert input AC or DC power into DC power with specific voltage and current to meet the power requirements of different electronic devices. It can filter and control the output power by controlling the conduction and shutdown of power semiconductor devices. High and low temperature aging tests are an important part of the electronic product manufacturing process. The high and low temperature aging test of power modules is to detect whether the power module can work normally at high and low temperatures. Existing power module aging monitoring devices have a rudimentary structural design, usually only setting a heating source in the horizontal direction to heat the bottom of the power module. The overall heating temperature of the power module varies greatly, resulting in inaccurate monitoring results. Utility Model Content

[0003] The problem this invention aims to solve is the significant difference in heating temperature of the power module within the monitoring device.

[0004] To address the aforementioned technical problems, this utility model provides a power module aging monitoring device, comprising a mounting shell with an opening on one side and an installation space communicating with the opening inside the mounting shell. A carrier plate is horizontally arranged on the inner wall of the installation space, and multiple first heat transfer holes communicating with the interior of the carrier plate are formed at the upper end of the carrier plate. The power module is placed above the first heat transfer holes. A first heating plate is arranged inside the carrier plate at a position perpendicular to the first heat transfer holes. Side shells are respectively arranged on both sides of the upper end of the carrier plate symmetrically about the first heat transfer holes. A second heating plate communicating with the interior of the side shell is formed at the center of the side shell closest to each other. A heat transfer hole is provided. A second heating plate is provided inside the side housing at a position perpendicular to the second heat transfer hole. The top two sides of the two side housings are respectively connected to the two ends of the top housing. A third heat transfer hole is provided in the middle of the lower end of the top housing and communicates with the inside of the top housing. A third heating plate is provided inside the top housing at a position perpendicular to the third heat transfer hole. A power connector and a resistor box are provided at the upper end of the mounting shell. A connecting hole is provided at the upper end of the top housing. A collection shell communicating with the connecting hole is provided at the upper end of the top housing. A flue gas sensor is provided inside the collection shell. An indicator light electrically connected to the flue gas sensor is provided at the position of the collection shell facing the opening.

[0005] Preferably, the upper end of the carrier plate is provided with support plates on both sides symmetrical about the first heat transfer hole, the bottom ends of the power module are respectively placed on the upper end of the two support plates, and a temperature sensor is provided inside the carrier plate near the first heat transfer hole.

[0006] Preferably, the support plate is an L-shaped bracket, with the bottom of the support plate installed on the upper end of the carrier plate, and the top of the support plate extending above the first heat transfer hole and forming a placement platform in the horizontal direction.

[0007] Preferably, the first heat transfer hole, the first heating plate, and the third heat transfer hole and the third heating plate are vertically aligned, and the two second heat transfer holes and the two second heating plates symmetrical about the first heat transfer hole are horizontally aligned. The number of carrier plates is two that are perpendicular to each other. A bottom plate is provided at the lower end of the top shell near the installation space, which is simultaneously connected to the two side shells. The bottom plate is sealed to both the top shell and the two side shells.

[0008] Preferably, the mounting housing is provided with a display screen, a circuit breaker, and two power switches. One of the power switches is electrically connected to the first heating plate, the second heating plate, and the third heating plate. The circuit breaker is electrically connected to the main power supply of the device. The display screen is transmitted and connected to the flue gas sensor and the temperature sensor.

[0009] Preferably, the bottom of the collecting housing has a smoke inlet hole communicating with the connecting hole, the collecting housing has a smoke exhaust hole on the side near the upper end, and an exhaust fan is provided on the side of the collecting housing away from the smoke exhaust hole. The exhaust fan is electrically connected to one of the power switches.

[0010] Preferably, sliding guide rails perpendicular to the mounting housing are installed on both sides of the mounting housing near the opening, and the sliding guide rails are damping guide rails.

[0011] Preferably, a partition is slidably connected to the sliding guide rail, and the four sides of the partition are sealed to the opening.

[0012] Preferably, the partition has a transparent observation window running through its center.

[0013] Preferably, the bottom of the mounting housing is provided with a support base.

[0014] Compared with the prior art, the present invention provides a power module aging monitoring device, which has the following beneficial effects:

[0015] 1. This utility model, by setting a first heat transfer hole, a first heating plate, a second heat transfer hole, a second heating plate, a third heat transfer hole, and a third heating plate, allows the heat generated by the first, second, and third heating plates to be transferred to the power module through the first, second, and third heat transfer holes, respectively. This heats the main parts of the power module from top, bottom, left, and right, ensuring a uniform overall heating temperature and improving the accuracy of monitoring results. This solves the problem of significant temperature differences in the power module within the monitoring device. Furthermore, by incorporating a connecting hole, a collection housing, a smoke sensor, and an indicator light, the smoke generated by the power module rises and enters the collection housing through the connecting hole. When the smoke sensor detects the smoke, it triggers the indicator light, issuing a warning to alert the operator that the power module is emitting smoke. Attached Figure Description

[0016] Figure 1 This is a first schematic diagram of the main structure of this utility model;

[0017] Figure 2 This is a second schematic diagram of the main structure of this utility model;

[0018] Figure 3 This is a cross-sectional view of the connection structure of the carrier plate, side shell, top shell and bottom plate of this utility model;

[0019] Figure 4 This is a cross-sectional view of the internal structure of the collection shell of this utility model;

[0020] Figure 5 This is a schematic diagram of the connection structure between the support plate and the carrier plate of this utility model;

[0021] Figure 6 yes Figure 1 Enlarged view of point A in the middle.

[0022] In the diagram: 1. Mounting shell; 2. Mounting space; 3. Carrier plate; 4. First heat transfer hole; 5. First heating plate; 6. Side shell; 7. Second heat transfer hole; 8. Second heating plate; 9. Top shell; 10. Third heat transfer hole; 11. Third heating plate; 12. Power connector; 13. Connecting hole; 14. Collection shell; 15. Smoke sensor; 16. Indicator light; 17. Support plate; 18. Display screen; 19. Circuit breaker; 20. Power switch; 21. Smoke inlet; 22. Sliding rail; 23. Partition; 24. Transparent observation window; 25. Support base; 26. Smoke exhaust hole; 27. Resistance box; 28. Base plate; 29. ​​Exhaust fan. Detailed Implementation

[0023] This utility model relates to a power module aging monitoring device, such as... Figure 1-6As shown, the device includes a mounting shell 1 with an opening on one side. The mounting shell 1 has an installation space 2 communicating with the opening. A carrier plate 3 is horizontally positioned on the inner wall of the installation space 2. Multiple first heat transfer holes 4 communicating with the interior of the carrier plate 3 are opened at the upper end of the carrier plate 3. A power module is placed above the first heat transfer holes 4. A first heating plate 5 is positioned inside the carrier plate 3 perpendicular to the first heat transfer holes 4. Side shells 6 are symmetrically positioned on both sides of the upper end of the carrier plate 3 about the first heat transfer holes 4. A second heat transfer hole 7 communicating with the interior of the side shell 6 is opened in the middle of the side shell 6 closest to each other. The interior of the side shell 6 is perpendicular to the second heat transfer hole 7. A second heating plate 8 is installed at the corresponding position. The top two sides of the two side housings 6 are respectively connected to the two ends of the top housing 9. A third heat transfer hole 10 communicating with the interior of the top housing 9 is opened in the middle of the lower end of the top housing 9. A third heating plate 11 is installed in the interior of the top housing 9 at a position perpendicular to the third heat transfer hole 10. A power connector 12 and a resistor box 27 are installed at the upper end of the mounting housing 1. A connecting hole 13 is opened at the upper end of the top housing 9. A collection housing 14 communicating with the connecting hole 13 is installed at the upper end of the top housing 9. A flue gas sensor 15 is installed inside the collection housing 14. A part of the collection housing 14 facing the opening is electrically connected to the flue gas sensor 15. Indicator light 16, with mounting shell 1 serving as the outer casing of the device, and a carrier plate 3, two side shells 6, and a top shell 9 are provided. The two side shells 6 are perpendicularly positioned on the top of the carrier plate 3, and the top shell 9 is positioned at both ends on the top of the side shells 6, thus forming a rectangular space between the carrier plate 3, the two side shells 6, and the top shell 9 for placing the power module. A first heat transfer hole 4, a first heating plate 5, a second heat transfer hole 7, a second heating plate 8, a third heat transfer hole 10, and a third heating plate 11 are provided. The heat generated by the first heating plate 5, the second heating plate 8, and the third heating plate 11 is transmitted through the first heat transfer hole 4, the second heat transfer hole 7, the third heating plate 8, and the third heating plate 11 respectively. The three heat transfer holes 10 transmit high temperature to the power module, heating the main parts of the power module from top, bottom, left, and right, ensuring a uniform overall heating temperature and improving the accuracy of monitoring results. This solves the problem of significant temperature differences in the power module within the monitoring device. The smoke generated by the power module rises and enters the collection housing 14 through the connecting hole 13. When the smoke sensor 15 detects the smoke, it triggers the indicator light 16, issuing a warning to remind the staff that the power module is emitting smoke. The power connector 12 facilitates the connection of the power module to the power supply, and the resistor box 27 facilitates the connection and adjustment of the load.

[0024] In this embodiment of the utility model, support plates 17 are respectively provided on both sides of the upper end of the carrier plate 3 symmetrical about the first heat transfer hole 4. The bottom ends of the power module are respectively placed on the upper ends of the two support plates 17. By setting the support plates 17, the bottom of the power module is higher than the upper end of the carrier plate 3, so that the power module heats more evenly. A temperature sensor connected to the display screen 18 is provided inside the carrier plate 3 near the first heat transfer hole 4. The temperature sensor is used to detect the temperature of the first heating plate 5.

[0025] In this embodiment of the utility model, the support plate 17 is an L-shaped bracket. The bottom of the support plate 17 is installed on the upper end of the carrier plate 3, and the top of the support plate 17 extends above the first heat transfer hole 4 and forms a placement platform in the horizontal direction. By setting the above structure, it is easy for the power module to be kept perpendicular to the first heat transfer hole 4.

[0026] In this embodiment of the invention, the first heat transfer hole 4, the first heating plate 5, and the third heat transfer hole 10 and the third heating plate 11 are vertically aligned. Two second heat transfer holes 7 and two second heating plates 8, symmetrical about the first heat transfer hole 4, are horizontally aligned. The number of carrier plates 3 is two, perpendicular to each other. A bottom plate 28, connected to both side shells 6, is provided at the lower end of the top shell 9 near the installation space 2. The bottom plate 28 is sealed to both the top shell 9 and the two side shells 6. By setting the above structure, the first heating plate 5 and the third heating plate 11 are vertically aligned, and the second heating plates 8 on both sides of the first heat transfer hole 4 are horizontally aligned, making the power module perpendicular to the heating sources in the up, down, left, and right directions, thus facilitating more uniform heating of the power module.

[0027] In this embodiment of the utility model, the mounting housing 1 is provided with a display screen 18, a circuit breaker 19, and two power switches 20. One of the power switches 20 is electrically connected to the first heating plate 5, the second heating plate 8, and the third heating plate 11. The circuit breaker 19 is electrically connected to the main power supply of the device. The display screen 18 is transmitted to the flue gas sensor 15 and the temperature sensor. By setting up the display screen 18, the circuit breaker 19, and the two power switches 20, the display screen 18 can display the working status of the flue gas sensor 15 and the detection value of the temperature sensor. The circuit breaker 19 facilitates the control of the main power supply of the device, and the power switches 20 facilitate the control of the power supply to the first heating plate 5, the second heating plate 8, and the third heating plate 11 to be connected or disconnected.

[0028] In this embodiment of the utility model, the bottom of the collecting housing 14 is provided with a smoke inlet 21 that communicates with the connecting hole 13, and a smoke exhaust hole 26 is provided on the side of the collecting housing 14 near the upper end. An exhaust fan 29 is provided on the side of the collecting housing 14 away from the smoke exhaust hole 26. The exhaust fan 29 is electrically connected to one of the power switches 20. By providing the smoke inlet 21, it is easy for smoke to enter the interior of the collecting housing 14. By providing the smoke exhaust hole 26, it is easy for smoke to be discharged from the interior of the collecting housing 14. By providing the exhaust fan 29, airflow is generated in the direction of the smoke exhaust hole 26, which is easy to discharge the smoke inside the collecting housing 14. The power switch 20 controls the exhaust fan 29 to be turned on or off.

[0029] In this embodiment of the utility model, sliding guide rails 22 perpendicular to the mounting shell 1 are respectively installed on both sides of the mounting shell 1 near the opening. The sliding guide rails 22 are damping guide rails. By setting the sliding guide rails 22, the partition 23 can slide on both sides of the opening, thereby improving the installation of the device. The damping guide rails facilitate the control of the lifting height of the partition 23.

[0030] In an embodiment of this utility model, a partition 23 is slidably connected to the sliding guide rail 22. The four sides of the partition 23 are sealed to the opening. By setting the above structure, the partition 23 and the opening are sealed to prevent the flue gas from being discharged uncontrollably into the outside of the mounting shell 1, thereby reducing environmental pollution.

[0031] In an embodiment of this utility model, a transparent observation window 24 is provided through the middle of the partition 23. By providing the transparent observation window 24, it is convenient to observe the status of the power module and the indicator light 16 when the partition 23 is closed.

[0032] In an embodiment of this utility model, a support base 25 is provided at the bottom of the mounting shell 1. By providing the support base 25, the stability of the mounting shell 1 on the ground is improved.

[0033] In use, first, move the partition 23 upwards. The partition 23 moves above the opening via the sliding guide rail 22. Then, place the bottom ends of the power module on the top of the two support plates 17 respectively. Next, connect the input end of the power module to the power connector 12 via a wire, and connect the output end of the power module to the resistor box 27 via a wire, adjusting the resistance to a suitable value. Then, move the partition 23 downwards to seal the opening, open the circuit breaker 19, and then operate the power switch 20 to start the first heating plate 5, the second heating plate 8, and the third heating plate 11. The third heating plate 11 heats up and transmits the high temperature to the power module through the first heat transfer hole 4, the second heat transfer hole 7, and the third heat transfer hole 10, thereby heating the main part of the power module. After the power module is heated and emits smoke, the smoke generated by the power module rises and enters the collection shell 14 through the connecting hole 13. When the smoke sensor 15 detects the smoke, it triggers the indicator light 16. The staff can observe the indicator light 16 lighting up through the transparent observation window 24 and observe the triggering of the smoke sensor 15 and the temperature value of the first heating plate 5 through the display screen 18. The aging monitoring of the power module is completed.

[0034] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. A power module burn-in monitoring apparatus comprising a mounting housing (1), characterised in that, The mounting shell (1) has an opening on one side, and the mounting shell (1) has an installation space (2) communicating with the opening inside. A carrier plate (3) is arranged horizontally on the inner wall of the installation space (2). Multiple first heat transfer holes (4) communicating with the interior of the carrier plate (3) are opened at the upper end of the carrier plate (3). The power module is placed on the upper end of the first heat transfer holes (4). A first heating plate (5) is arranged at a position perpendicular to the first heat transfer holes (4) inside the carrier plate (3). Side shells (6) are arranged on both sides of the upper end of the carrier plate (3) symmetrical about the first heat transfer holes (4). A second heat transfer hole (7) communicating with the interior of the side shell (6) is opened in the middle of the side shell (6) that is close to the side shell (6). A second heat transfer hole (7) is arranged at a position perpendicular to the second heat transfer hole (7) inside the side shell (6). The heating plate (8) has two side shells (6) connected to the top two ends of the top shell (9). The bottom middle of the top shell (9) has a third heat transfer hole (10) that communicates with the inside of the top shell (9). The top shell (9) has a third heating plate (11) located at a position perpendicular to the third heat transfer hole (10). The upper end of the mounting shell (1) has a power connection socket (12) and a resistor box (27). The upper end of the top shell (9) has a connecting hole (13). The upper end of the top shell (9) has a collection shell (14) that communicates with the connecting hole (13). The collection shell (14) has a flue gas sensor (15) inside. The collection shell (14) has an indicator light (16) that is electrically connected to the flue gas sensor (15) located at the opening.

2. The power module burn-in monitoring apparatus of claim 1, wherein: Support plates (17) are respectively provided on the upper end of the carrier plate (3) symmetrical about the first heat transfer hole (4). The bottom ends of the power module are respectively placed on the upper ends of the two support plates (17). A temperature sensor is provided inside the carrier plate (3) near the first heat transfer hole (4).

3. The power module burn-in monitoring apparatus of claim 2, wherein: The support plate (17) is an L-shaped bracket. The bottom of the support plate (17) is installed on the upper end of the carrier plate (3), and the top of the support plate (17) extends above the first heat transfer hole (4) and forms a placement platform in the horizontal direction.

4. The power module burn-in monitoring apparatus of claim 1, wherein: The first heat transfer hole (4), the first heating plate (5), the third heat transfer hole (10), and the third heating plate (11) are vertically aligned. The two second heat transfer holes (7) and the two second heating plates (8) are symmetrical about the first heat transfer hole (4) and are horizontally aligned. The number of the carrier plates (3) is two that are perpendicular to each other. The bottom end of the top shell (9) is provided with a base plate (28) that is connected to the side shells (6) on both sides. The base plate (28) is sealed to the top shell (9) and the two side shells (6).

5. The power module aging monitoring device according to claim 1, characterized in that: The mounting housing (1) is equipped with a display screen (18), a circuit breaker (19), and two power switches (20). One of the power switches (20) is electrically connected to the first heating plate (5), the second heating plate (8), and the third heating plate (11). The circuit breaker (19) is electrically connected to the main power supply of the device. The display screen (18) is connected to the flue gas sensor (15) and the temperature sensor.

6. The power module aging monitoring device according to claim 1, characterized in that: The bottom of the collecting housing (14) is provided with a smoke inlet (21) that communicates with the connecting hole (13). The collecting housing (14) is provided with a smoke exhaust hole (26) on the side near the upper end. An exhaust fan (29) is provided on the side of the collecting housing (14) away from the smoke exhaust hole (26). The exhaust fan (29) is electrically connected to one of the power switches (20).

7. The power module burn-in monitoring apparatus of claim 1, wherein: The mounting housing (1) is equipped with sliding guide rails (22) perpendicular to the mounting housing (1) on both sides near the opening. The sliding guide rails (22) are damping guide rails.

8. The power module aging monitoring device according to claim 7, characterized in that: A partition (23) is slidably connected to the sliding guide rail (22), and the four sides of the partition (23) are sealed to the opening.

9. The power module aging monitoring device according to claim 8, characterized in that: A transparent observation window (24) runs through the middle of the partition (23).

10. The power module burn-in monitoring apparatus of claim 1, wherein: The mounting housing (1) is provided with a support base (25) at its bottom.

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