Heat dissipation mechanism of inverter

Abstract

The utility model discloses a heat dissipation mechanism of an inverter, which relates to the technical field of inverter heat dissipation and comprises a box body, a first water tank, a second water tank, a water pump and a heat dissipation pipe, one end of the heat dissipation pipe is fixedly connected with the water pump, and the other end of the heat dissipation pipe is fixedly connected with the water pump. Connecting pipes are fixedly arranged on the first water tank and the second water tank, the connecting pipes are fixedly connected with the water pump, a plurality of cooling fins are fixedly arranged on the cooling pipe, and a cooling plate is fixedly arranged on the cooling pipe. The water pump pumps cold water in the first water tank into the heat dissipation pipe through the connecting pipe, the cold water in the heat dissipation pipe enters the cooling plate, the cold water exchanges heat with the cooling plate, then the inverter body is cooled through the copper sheet, the first water tank and the second water tank are each internally provided with a thermometer, and when the temperature of water in the first water tank rises too much, the temperature of the water in the first water tank rises too much. And closing the two electric valves close to one side of the first water tank, opening the other two electric valves, and cooling the inverter body by using cold water in the second water tank.

Description

Technical Field

[0001] The utility model relates to the field of inverter heat dissipation, in particular to a heat dissipation mechanism of an inverter. Background Art

[0002] The inverter is a converter that converts DC power (battery, storage bottle) into constant frequency and voltage or frequency and voltage regulated AC power (usually 220V, 50Hz sine wave). It consists of an inverter bridge, control logic and filter circuit. It is widely used in air conditioners, home theaters, electric grinding wheels, power tools, sewing machines, DVDs, VCDs, computers, televisions, washing machines, range hoods, refrigerators, video recorders, massagers, fans, lighting, etc.

[0003] The inverter generates a large amount of heat during the process of converting DC to AC. If the heat is not dissipated quickly in time, the temperature of internal components will be too high, which may easily cause circuit failure. The commonly used heat dissipation method is fan-type air cooling, which is not only noisy but also has a general cooling effect. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art, that is, large noise and average cooling effect, and proposes a heat dissipation mechanism for an inverter.

[0005] In order to solve the problems existing in the prior art, the utility model adopts the following technical solutions:

[0006] A heat dissipation mechanism of an inverter comprises a box body, a first water tank is fixedly provided in the box body, a second water tank is fixedly provided in the box body, a water pump is fixedly provided in the box body, a heat dissipation pipe is provided in the box body, one end of the heat dissipation pipe is fixedly connected to the water pump, the heat dissipation pipe is fixedly connected to both the first water tank and the second water tank, a connecting pipe is fixedly provided on the first water tank and the second water tank, the connecting pipe is fixedly connected to the water pump, a plurality of heat dissipation fins are fixedly provided on the heat dissipation pipe, a cooling plate is fixedly provided on the heat dissipation pipe, two electric valves are movably provided on the heat dissipation pipe, and the two connecting pipes are movably provided with electric valves.

[0007] Preferably, a fixing frame is fixedly provided in the box body, a first motor is fixedly provided on the fixing frame, and a fan is fixedly provided on an output shaft of the first motor.

[0008] Preferably, an inverter body is fixedly provided in the box body, a copper sheet is fixedly provided on the inverter body, and the copper sheet is fixedly connected to the cooling plate.

[0009] Preferably, a plurality of air inlet holes are provided on the side of the box body, and an air outlet grille is provided on the side of the box body.

[0010] Preferably, two movable doors are rotatably provided on one side of the box body, and handles are fixed on the movable doors.

[0011] Preferably, a scraper is movably provided in the box body, a slide groove is provided in the box body, and the scraper is slidably connected to the slide groove.

[0012] Preferably, two rollers are rotatably provided in the box body, a conveyor belt is sleeved on the two rollers, a second motor is fixedly provided on the outside of the box body, an output shaft of the second motor is fixedly connected to a roller, a round rod is fixedly provided on the conveyor belt, a sliding groove is provided on one side of the scraper, and one end of the round rod is slidably connected to the sliding groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, the water pump draws cold water from the first water tank into the heat dissipation pipe through the connecting pipe, and the cold water in the heat dissipation pipe enters the cooling plate, and the cold water exchanges heat with the cooling plate, and then cools the inverter body through the copper sheet. The first water tank and the second water tank are both provided with thermometers. When the water temperature in the first water tank rises more, the two electric valves close to the first water tank are closed, and the other two electric valves are opened, and the cold water in the second water tank is used to cool the inverter body. This cooling method not only has low noise, but also the first water tank and the second water tank are used interchangeably, and the cooling effect is good;

[0015] 2. In the utility model, the second motor drives a roller to rotate, and one roller drives another roller to rotate through a transmission belt. The transmission belt drives the scraper to move left and right through a round rod and a sliding groove. A brush can be installed on the inside of the scraper to remove dust from the surface of the heat pipe and the heat sink to prevent dust from affecting the heat exchange between the heat pipe and the heat sink. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the box body of the utility model;

[0019] Figure 3 This is a schematic diagram of the position relationship between the heat dissipation pipe and the heat dissipation fin of the utility model;

[0020] Figure 4 This is a schematic diagram of the position relationship between the roller and the conveyor belt of the utility model;

[0021] Figure 5 It is a schematic diagram of the connection relationship between the round rod and the sliding groove of the utility model.

[0022] Serial numbers in the figure: 1. box body; 11. first water tank; 12. second water tank; 13. water pump; 14. heat dissipation pipe; 15. connecting pipe; 16. heat sink; 17. cooling plate; 18. electric valve; 2. fixing frame; 21. first motor; 22. fan; 3. inverter body; 31. copper sheet; 4. air inlet; 41. air outlet grille; 5. movable door; 51. handle; 6. scraper; 61. slide groove; 7. roller; 71. conveyor belt; 72. second motor; 73. round rod; 74. slide groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Embodiment 1: This embodiment provides a heat dissipation mechanism for an inverter, see Figure 1-4 Specifically, it includes a box body 1, a first water tank 11 is fixedly provided in the box body 1, a second water tank 12 is fixedly provided in the box body 1, a water pump 13 is fixedly provided in the box body 1, a heat dissipation pipe 14 is provided in the box body 1, one end of the heat dissipation pipe 14 is fixedly connected to the water pump 13, the heat dissipation pipe 14 is fixedly connected to the first water tank 11 and the second water tank 12, a connecting pipe 15 is fixedly provided on the first water tank 11 and the second water tank 12, the connecting pipe 15 is fixedly connected to the water pump 13, a plurality of heat dissipation fins 16 are fixedly provided on the heat dissipation pipe 14, a cooling plate 17 is fixedly provided on the heat dissipation pipe 14, two electric valves 18 are movably provided on the heat dissipation pipe 14, and the two connecting pipes 15 are movably provided with the electric valve 18, a fixing frame 2 is fixedly provided in the box body 1, a first motor 21 is fixedly provided on the fixing frame 2, a fan 22 is fixedly provided on the output shaft of the first motor 21, an inverter body 3 is fixedly provided in the box body 1, a copper sheet 31 is fixedly provided on the inverter body 3, and the copper sheet 31 is fixedly connected to the cooling plate 17;

[0025] The inverter body 3 generates heat during operation, and the heat is transferred to the copper sheet 31. The copper sheet 31 transfers the heat to the cooling plate 17. The electric valve 18 on the heat dissipation pipe 14 and the connecting pipe 15 near the first water tank 11 is opened, and the water pump 13 is started. The water pump 13 pumps the cold water of the first water tank 11 into the heat dissipation pipe 14 through the connecting pipe 15. The cold water in the heat dissipation pipe 14 enters the cooling plate 17. The cold water that has been flowing exchanges heat with the cooling plate 17 to cool the cooling plate 17. Then, the inverter body 3 is cooled through the copper sheet 31. Cooling: As the temperature of the cold water in the heat pipe 14 rises, the heat pipe 14 exchanges heat with the heat sink 16, and the heat sink 16 dissipates the heat into the air. The first motor 21 drives the fan 22 to rotate, blowing the hot air out of the box body 1. The first water tank 11 and the second water tank 12 are both provided with thermometers. When the water temperature in the first water tank 11 rises more, the two electric valves 18 close to the first water tank 11 are closed, and the other two electric valves 18 are opened, and the cold water in the second water tank 12 is used to cool the inverter body 3.

[0026] Embodiment 2: Based on Embodiment 1, this embodiment further includes:

[0027] In the specific implementation process, Figure 4 and Figure 5 As shown, a scraper 6 is movably provided in the box body 1, a slide groove 61 is provided in the box body 1, the scraper 6 is slidably connected to the slide groove 61, two rollers 7 are rotatably provided in the box body 1, a transmission belt 71 is sleeved on the two rollers 7, a second motor 72 is fixedly provided on the outer side of the box body 1, the output shaft of the second motor 72 is fixedly connected to one roller 7, a round rod 73 is fixedly provided on the transmission belt 71, a sliding groove 74 is provided on one side of the scraper 6, and one end of the round rod 73 is slidably connected to the sliding groove 74;

[0028] The second motor 72 drives a roller 7 to rotate, and one roller 7 drives another roller 7 to rotate through a transmission belt 71. The transmission belt 71 drives the scraper 6 to move left and right through a round rod 73 and a sliding groove 74. A brush can be installed on the inside of the scraper 6 to remove dust from the surface of the heat pipe 14 and the heat sink 16 to prevent dust from affecting the heat exchange between the heat pipe 14 and the heat sink 16.

[0029] In the specific implementation process, Figure 1 and Figure 4 As shown, a plurality of air inlet holes 4 are provided on the side of the box body 1, an air outlet grille 41 is provided on the side of the box body 1, two movable doors 5 are rotatably provided on one side of the box body 1, and a handle 51 is fixed on the movable door 5;

[0030] The air outlet grille 41 discharges the hot air out of the box body 1 , and the air inlet 4 can realize the air exchange between the inside and outside of the box body 1 . The operator can observe and inspect the inside of the box body 1 by opening the movable door 5 .

[0031] Specifically, the working principle and operation method of the utility model are as follows:

[0032] Step 1: The inverter body 3 generates heat during operation, and the heat is transferred to the copper sheet 31, and the copper sheet 31 transfers the heat to the cooling plate 17;

[0033] Step 2: Open the electric valve 18 on the heat dissipation pipe 14 and the connecting pipe 15 near the first water tank 11, start the water pump 13, and the water pump 13 pumps the cold water of the first water tank 11 into the heat dissipation pipe 14 through the connecting pipe 15. The cold water in the heat dissipation pipe 14 enters the cooling plate 17. The cold water that keeps flowing exchanges heat with the cooling plate 17 to cool the cooling plate 17, and then cools the inverter body 3 through the copper sheet 31.

[0034] Step 3: As the temperature of the cold water in the heat pipe 14 rises, the heat pipe 14 exchanges heat with the heat sink 16, and the heat sink 16 dissipates the heat into the air. The first motor 21 drives the fan 22 to rotate, blowing the hot air out of the box body 1. The first water tank 11 and the second water tank 12 are both provided with thermometers. When the water temperature in the first water tank 11 rises more, the two electric valves 18 close to the first water tank 11 are closed, and the other two electric valves 18 are opened, and the cold water in the second water tank 12 is used to cool the inverter body 3;

[0035] Step 4: The second motor 72 drives one roller 7 to rotate, and one roller 7 drives another roller 7 to rotate through the transmission belt 71. The transmission belt 71 drives the scraper 6 to move left and right through the round rod 73 and the sliding groove 74. A brush can be installed on the inside of the scraper 6 to remove dust from the surface of the heat pipe 14 and the heat sink 16 to prevent dust from affecting the heat exchange between the heat pipe 14 and the heat sink 16.

[0036] Step 5: The air outlet grille 41 discharges the hot air out of the box body 1 , and the air inlet 4 can realize air exchange between the inside and outside of the box body 1 . The operator can observe and inspect the inside of the box body 1 by opening the movable door 5 .

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A heat dissipation mechanism for an inverter, comprising a box (1), characterized in that: A first water tank (11) is fixedly arranged in the box body (1), a second water tank (12) is fixedly arranged in the box body (1), a water pump (13) is fixedly arranged in the box body (1), a heat dissipation pipe (14) is arranged in the box body (1), one end of the heat dissipation pipe (14) is fixedly connected to the water pump (13), the heat dissipation pipe (14) is fixedly connected to both the first water tank (11) and the second water tank (12), a connecting pipe (15) is fixedly arranged on both the first water tank (11) and the second water tank (12), the connecting pipe (15) is fixedly connected to the water pump (13), a plurality of heat dissipation fins (16) are fixedly arranged on the heat dissipation pipe (14), a cooling plate (17) is fixedly arranged on the heat dissipation pipe (14), two electric valves (18) are movably arranged on the heat dissipation pipe (14), and the two connecting pipes (15) are movably provided with electric valves (18).

2. The heat dissipation mechanism of an inverter according to claim 1, characterized in that: A fixing frame (2) is fixedly arranged in the box body (1), a first motor (21) is fixedly arranged on the fixing frame (2), and a fan (22) is fixedly arranged on the output shaft of the first motor (21).

3. The heat dissipation mechanism of an inverter according to claim 1, characterized in that: An inverter body (3) is fixedly arranged in the box body (1), a copper sheet (31) is fixedly arranged on the inverter body (3), and the copper sheet (31) is fixedly connected to a cooling plate (17).

4. The heat dissipation mechanism of an inverter according to claim 1, characterized in that: A plurality of air inlet holes (4) are provided on the side of the box body (1), and an air outlet grille (41) is provided on the side of the box body (1).

5. The heat dissipation mechanism of an inverter according to claim 1, characterized in that: Two movable doors (5) are rotatably provided on one side of the box body (1), and a handle (51) is fixedly provided on the movable door (5).

6. The heat dissipation mechanism of an inverter according to claim 1, characterized in that: A scraper (6) is movably provided in the box body (1), a slide groove (61) is provided in the box body (1), and the scraper (6) is slidably connected to the slide groove (61).

7. The heat dissipation mechanism of the inverter according to claim 6, characterized in that: Two rollers (7) are rotatably arranged in the box body (1), and a transmission belt (71) is sleeved on the two rollers (7). A second motor (72) is fixedly arranged on the outside of the box body (1), and an output shaft of the second motor (72) is fixedly connected to one of the rollers (7). A round rod (73) is fixedly arranged on the transmission belt (71). A sliding groove (74) is provided on one side of the scraper (6), and one end of the round rod (73) is slidably connected to the sliding groove (74).

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