Heat dissipation device of photovoltaic inverter
By designing thermal conductivity, air-cooling and water-cooling devices in photovoltaic inverters, the problem of difficulty in quickly dissipating heat by the inverter is solved, achieving more efficient heat dissipation effects and longer service life.
Patent Information
- Application Number
- CN202421252879.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-04
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-06-04
AI Technical Summary
Photovoltaic inverters are difficult to quickly and effectively dissipate heat during long working hours, especially in high temperature environments, which affects their service effect and service life.
A heat dissipation device including a thermal conductivity device, an air-cooling device and a water-cooling device are designed. The thermal conduction device leads heat out through several thermal conduction plates. The air-cooling device uses a cooling fan to speed up the air circulation speed. The water-cooling device quickly takes away heat through the water pump and the circulating water pipe.
It effectively improves the heat dissipation effect of photovoltaic inverters, extends its service life, and maintains good working performance in high temperature environments.
Smart Images
Figure CN222638955U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of photovoltaic inverters, in particular to a heat dissipation device for a photovoltaic inverter. Background Art
[0002] With my country's emphasis on energy, photovoltaic panels have entered thousands of households, but when installing photovoltaic panels, inverters also need to be installed. Inverters are power adjustment devices composed of semiconductor devices, mainly used to convert DC power into AC power. They are generally composed of a boost circuit and an inverter bridge circuit. The boost circuit boosts the DC voltage of the solar cell to the DC voltage required for inverter output control, and the inverter bridge circuit converts the boosted DC voltage into an AC voltage of a common frequency.
[0003] When an existing photovoltaic inverter works for a long time, the temperature inside it will rise and accumulate heat. Especially in summer, when the external environment is already hot, it is difficult for the photovoltaic inverter to dissipate heat quickly and effectively, which in turn affects the use effect and service life of the photovoltaic inverter. Utility Model Content
[0004] The main purpose of the utility model is to provide a heat dissipation device for a photovoltaic inverter, which can effectively solve the problem that the photovoltaic inverter is difficult to dissipate heat quickly and effectively.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A heat dissipation device for a photovoltaic inverter comprises a mounting base, wherein a photovoltaic inverter body is mounted on the left upper end of the mounting base, a heat conducting device is mounted on the upper front end and the lower front end of the photovoltaic inverter body, an air cooling device is mounted on the front right end of the photovoltaic inverter body, a liquid storage tank is mounted on the right upper end of the mounting base, a water cooling device is mounted on the front upper end of the liquid storage tank, and a tank cover is mounted on the rear upper end of the liquid storage tank.
[0007] Preferably, the water cooling device includes a water pump, a water delivery pipe is installed at the left end of the water pump, a circulating water pipe is installed at the end of the water delivery pipe away from the water pump, a return pipe is installed at the rear of the right end of the circulating water pipe, the lower end of the return pipe is inserted and installed at the rear of the upper end of the liquid storage tank, the water pump is fixedly installed at the front of the upper end of the liquid storage tank, and the circulating water pipe is located in the photovoltaic inverter body. The coolant in the liquid storage tank is extracted by the water pump and transported to the circulating water pipe by the water delivery pipe. The coolant will flow back into the liquid storage tank through the return pipe after passing through the circulating water pipe, so that the heat inside the photovoltaic inverter body can be quickly taken away.
[0008] Preferably, the air cooling device includes a cooling fan and a mounting plate, two cooling fans are provided, mounting screws are installed at the rear right ends of the two cooling fans, two screw holes are opened at the right end of the mounting plate, the two cooling fans are installed on the right end of the mounting plate by means of mounting screws, and the mounting plate is installed at the front right end of the photovoltaic inverter body. The cooling fan rotates to blow air, and the wind is then blown out of the heat conducting plate, and the vents opened on the heat conducting plate are also convenient for wind to blow through, thereby accelerating the air circulation speed at the heat conducting plate.
[0009] Preferably, the heat conduction device includes a fixing plate, two fixing plates are provided, a plurality of heat conduction plates are installed between the two fixing plates, a group of vents are opened at the right ends of the plurality of heat conduction plates, and the two fixing plates are respectively installed at the upper front end and the lower front end of the photovoltaic inverter body. The plurality of heat conduction plates are inserted and fixedly installed at the front end of the photovoltaic inverter body, and when the photovoltaic inverter body is overheated, the heat inside can be exported through the heat conduction plates to dissipate the heat of the photovoltaic inverter body.
[0010] Preferably, the heat conducting plate corresponds to the cooling fan position on the left and right.
[0011] Preferably, a plurality of the heat conducting plates are installed between the two fixing plates at equal distances from left to right.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] 1. Several heat-conducting plates on the heat-conducting device are inserted and fixedly installed on the front end of the photovoltaic inverter body. When the photovoltaic inverter body is overheated, the heat inside can be exported through the heat-conducting plates to dissipate the heat of the photovoltaic inverter body. In addition, the cooling fan on the air-cooling device rotates to blow air, and the wind is blown to the heat-conducting plate. The vents on the heat-conducting plate are also convenient for wind to blow through, thereby accelerating the air circulation speed at the heat-conducting plate and further improving the heat dissipation effect of the device.
[0014] 2. When the temperature is relatively hot and the heat conduction plate is difficult to quickly cool down the photovoltaic inverter body, the coolant in the liquid storage tank is extracted by the water pump on the water cooling device and transported to the circulating water pipe by the water pipe. The coolant will flow back into the liquid storage tank through the reflux pipe after passing through the circulating water pipe, so as to quickly take away the internal heat of the photovoltaic inverter body. The heat conduction plate is combined with the cooling fan to quickly dissipate the heat of the photovoltaic inverter body, thereby improving the use effect and service life of the photovoltaic inverter body. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the overall structure of a heat dissipation device for a photovoltaic inverter according to the utility model;
[0016] Figure 2 This is a schematic diagram of the overall structure of a water cooling device of a heat dissipation device of a photovoltaic inverter according to the utility model;
[0017] Figure 3 This is a schematic diagram of the overall structure of an air cooling device of a heat dissipation device of a photovoltaic inverter according to the utility model;
[0018] Figure 4 The utility model is a schematic diagram of the overall structure of a heat conduction device of a heat dissipation device of a photovoltaic inverter.
[0019] In the figure: 1. Installation base; 2. Water cooling device; 3. Air cooling device; 4. Heat conduction device; 5. PV inverter body; 6. Liquid storage tank; 7. Tank cover; 20. Water pump; 21. Water supply pipe; 22. Circulating water pipe; 23. Return pipe; 30. Cooling fan; 31. Mounting plate; 32. Mounting screws; 33. Screw holes; 40. Fixing plate; 41. Heat conduction plate; 42. Ventilation hole. DETAILED DESCRIPTION
[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0021] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0023] like Figure 1-4As shown, a heat dissipation device for a photovoltaic inverter includes a mounting base 1, a photovoltaic inverter body 5 is mounted on the left upper end of the mounting base 1, a heat conduction device 4 is mounted on the upper front end and the lower front end of the photovoltaic inverter body 5, an air cooling device 3 is mounted on the front right end of the photovoltaic inverter body 5, a liquid storage tank 6 is mounted on the right upper end of the mounting base 1, a water cooling device 2 is mounted on the front upper end of the liquid storage tank 6, and a tank cover 7 is mounted on the rear upper end of the liquid storage tank 6.
[0024] The water cooling device 2 includes a water pump 20, a water delivery pipe 21 is installed at the left end of the water pump 20, a circulating water pipe 22 is installed at the end of the water delivery pipe 21 away from the water pump 20, a return pipe 23 is installed at the rear of the right end of the circulating water pipe 22, the lower end of the return pipe 23 is inserted and installed at the rear of the upper end of the liquid storage tank 6, the water pump 20 is fixedly installed at the front of the upper end of the liquid storage tank 6, and the circulating water pipe 22 is located in the photovoltaic inverter body 5. The cooling liquid in the liquid storage tank 6 is extracted by the water pump 20 and transported to the circulating water pipe 22 by the water delivery pipe 21. The cooling liquid will flow back into the liquid storage tank 6 through the return pipe 23 after passing through the circulating water pipe 22, so that the internal heat of the photovoltaic inverter body 5 can be quickly taken away, and a cooling device is also provided in the liquid storage tank 6, which can cool the refluxed cooling liquid to avoid too many cycles of the device, resulting in hot cooling liquid and affecting the heat dissipation effect of the device.
[0025] The air cooling device 3 includes a cooling fan 30 and a mounting plate 31. Two cooling fans 30 are provided. The rear right ends of the two cooling fans 30 are both installed with mounting screws 32. The right end of the mounting plate 31 has two screw holes 33. The two cooling fans 30 are installed on the right end of the mounting plate 31 through the mounting screws 32. The mounting plate 31 is installed on the front right end of the photovoltaic inverter body 5. The cooling fan 30 rotates to blow air, and the wind is then blown out of the heat conducting plate 41. The vents 42 opened on the heat conducting plate 41 also facilitate wind blowing, thereby accelerating the air circulation speed at the heat conducting plate 41.
[0026] The heat conducting device 4 includes a fixing plate 40, two fixing plates 40 are provided, and a plurality of heat conducting plates 41 are installed between the two fixing plates 40. A group of vents 42 are provided at the right ends of the plurality of heat conducting plates 41. The two fixing plates 40 are respectively installed at the upper front end and the lower front end of the photovoltaic inverter body 5; the heat conducting plates 41 correspond to the positions of the cooling fan 30 on the left and right; and the plurality of heat conducting plates 41 are installed between the two fixing plates 40 at equal distances from left to right. The plurality of heat conducting plates 41 are inserted and fixedly installed at the front end of the photovoltaic inverter body 5. When the photovoltaic inverter body 5 is overheated, the heat inside can be exported through the heat conducting plates 41 to dissipate the heat of the photovoltaic inverter body 5.
[0027] It should be noted that the utility model is a heat dissipation device for a photovoltaic inverter, wherein a plurality of heat conducting plates 41 on the heat conducting device 4 are inserted and fixedly installed at the front end of the photovoltaic inverter body 5. When the photovoltaic inverter body 5 is overheated, the heat inside can be discharged through the heat conducting plates 41 to dissipate heat for the photovoltaic inverter body 5. In addition, the heat dissipation fan 30 on the air cooling device 3 rotates to blow air, and the wind is then blown to the heat conducting plates 41, and the vents 42 on the heat conducting plates 41 are also convenient for wind to blow through, thereby accelerating the air circulation speed at the heat conducting plates 41, further improving The heat dissipation effect of the device is improved. When the temperature is relatively hot and the heat conducting plate 41 is difficult to quickly cool down the photovoltaic inverter body 5, the coolant in the liquid storage tank 6 is extracted by the water pump 20 on the water cooling device 2, and is transported to the circulating water pipe 22 by the water pipe 21. The coolant passes through the circulating water pipe 22 and then flows back into the liquid storage tank 6 through the reflux pipe 23, so that the internal heat of the photovoltaic inverter body 5 can be quickly taken away. The heat conducting plate 41 is cooperated with the heat dissipation fan 30 to quickly dissipate the heat of the photovoltaic inverter body 5, thereby improving the use effect and service life of the photovoltaic inverter body 5.
[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A heat dissipation device for a photovoltaic inverter, comprising a mounting base (1), characterized in that: A photovoltaic inverter body (5) is installed on the left upper part of the mounting base (1); a heat conduction device (4) is installed on the upper front end and the lower front end of the photovoltaic inverter body (5); an air cooling device (3) is installed on the front right end of the photovoltaic inverter body (5); a liquid storage tank (6) is installed on the right upper part of the mounting base (1); a water cooling device (2) is installed on the front upper end of the liquid storage tank (6); and a tank cover (7) is installed on the rear upper end of the liquid storage tank (6).
2. The heat dissipation device for a photovoltaic inverter according to claim 1, characterized in that: The water cooling device (2) comprises a water pump (20), a water delivery pipe (21) is installed at the left end of the water pump (20), a circulating water pipe (22) is installed at the end of the water delivery pipe (21) away from the water pump (20), a return pipe (23) is installed at the rear of the right end of the circulating water pipe (22), the lower end of the return pipe (23) is inserted and installed at the rear of the upper end of the liquid storage tank (6), the water pump (20) is fixedly installed at the front of the upper end of the liquid storage tank (6), and the circulating water pipe (22) is located in the photovoltaic inverter body (5).
3. The heat dissipation device for a photovoltaic inverter according to claim 1, characterized in that: The air cooling device (3) comprises a cooling fan (30) and a mounting plate (31), wherein two cooling fans (30) are provided, and mounting screws (32) are installed at the rear right ends of the two cooling fans (30), and two screw holes (33) are opened at the right end of the mounting plate (31), and the two cooling fans (30) are installed at the right end of the mounting plate (31) by means of the mounting screws (32), and the mounting plate (31) is installed at the front right end of the photovoltaic inverter body (5).
4. The heat dissipation device for a photovoltaic inverter according to claim 3, characterized in that: The heat conduction device (4) comprises a fixing plate (40), two fixing plates (40) are provided, a plurality of heat conduction plates (41) are installed between the two fixing plates (40), a group of ventilation holes (42) are opened at the right ends of the plurality of heat conduction plates (41), and the two fixing plates (40) are respectively installed at the upper front end and the lower front end of the photovoltaic inverter body (5).
5. The heat dissipation device for a photovoltaic inverter according to claim 4, characterized in that: The heat conducting plate (41) and the heat dissipation fan (30) are located in corresponding positions on the left and right.
6. The heat dissipation device for a photovoltaic inverter according to claim 4, characterized in that: A plurality of heat conducting plates (41) are installed between the two fixing plates (40) at equal distances from left to right.