Efficient heat dissipation device of solar inverter

Abstract

The utility model discloses an efficient heat dissipation device of a solar inverter, which comprises a heat conduction back plate, the top of the heat conduction back plate is fixedly connected with heat dissipation fins, the top of the heat conduction back plate is fixedly connected with a protective cover outside the heat dissipation fins, the top of the protective cover is provided with a cover plate, and the cover plate is fixedly connected with the heat dissipation fins. And a mounting groove is formed in the top of the cover plate. The device is installed in a solar inverter device through the positioning holes, heat generated by operation of the device is conducted to the heat dissipation fins through the heat conduction backboard, the heat dissipation fan is started through the external controller, air flow generated by the heat dissipation fan can rapidly cool heat on the surfaces of the heat dissipation fins, and the heat dissipation effect is good. Therefore, the heat dissipation effect of the equipment can be improved, and the problems that in the using process of a traditional heat dissipation device, the heat dissipation structure is single, heat cannot be quickly conducted out of the equipment, and the heat dissipation effect of the equipment cannot be further improved can be effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of solar inverters, in particular to a high-efficiency heat dissipation device for a solar inverter. Background Art

[0002] Solar photovoltaic inverters are inverters that can convert the variable DC voltage generated by photovoltaic solar panels into AC power at the mains frequency. They can feed the converted voltage back to the commercial power transmission system or be used by off-grid power grids. Solar photovoltaic inverters are one of the important system balances in photovoltaic array systems and can be used with general AC power supply equipment. During the operation of solar photovoltaic inverters, their internal circuits will generate a lot of heat. In order to ensure the normal operation of the equipment, a heat dissipation structure is usually installed inside the inverter to reduce the operating temperature of the equipment.

[0003] For example, the Chinese utility model provides "a device for improving the heat dissipation efficiency of a solar inverter", and its announcement number is: CN211209600U, which includes an inverter body, a heat sink mounting seat and a spring, the side wall of the inverter body is installed with a heat sink mounting seat, and a slide groove is provided inside the heat sink mounting seat, an outer heat plate is arranged inside the slide groove, and a first limiting groove is provided inside the outer heat plate, a second limiting groove is provided inside the outer heat plate, and the first limiting groove and the second limiting groove are connected, an active rod is arranged inside the first limiting groove and the second limiting groove, and a limiting block is fixedly installed on the outer surface of the active rod, the device for improving the heat dissipation efficiency of the solar inverter, and the outer heat sink forming a sliding structure between the slide groove and the inner heat sink is conducive to the subsequent misalignment of the heat dissipation holes on the outer heat sink and the inner heat sink, so that the inner heat sink can block some rain water drifting in from the outer heat sink, thereby extending the service life of the inverter.

[0004] In the process of realizing the utility model, the inventors found that there are at least the following problems in the technology: during the use of the heat dissipation device in the above patent, its heat dissipation structure is relatively simple, and it is impossible to quickly export heat from the inside of the device and further improve the heat dissipation effect of the device. Therefore, we propose an efficient heat dissipation device for a solar inverter. Utility Model Content

[0005] The purpose of the utility model is to provide an efficient heat dissipation device for a solar inverter, which has the advantage of improving the heat dissipation effect and solves the problem that during the use of the heat dissipation device, its heat dissipation structure is relatively simple, the heat cannot be quickly exported from the inside of the device, and the heat dissipation effect of the device cannot be further improved.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a high-efficiency heat dissipation device for a solar inverter, comprising a heat-conducting backplate, a heat-conducting backplate having a heat dissipation fin fixedly connected to the top, a protective cover fixedly connected to the top of the heat-conducting backplate and located on the outside of the heat dissipation fins, a cover plate provided on the top of the protective cover, a mounting groove provided on the top of the cover plate, a mounting frame fixedly connected to the inner cavity of the mounting groove, a heat-dissipating fan fixedly connected to the inner cavity of the mounting frame, a dust-proof net mounting cover fixedly connected to the top of the cover plate and located on the outside of the heat-dissipating fan, ventilation grooves provided on the front and rear ends of the protective cover, and the ventilation grooves are equidistantly arranged.

[0007] Preferably, a mounting plate is fixedly connected to the bottom of the thermally conductive back plate, and a positioning hole is provided on the top of the thermally conductive back plate.

[0008] Preferably, a heat dissipation hole is formed at the bottom of the heat-conducting back plate, and the heat dissipation hole penetrates into the inner cavity of the heat dissipation fin.

[0009] Preferably, the number of the heat dissipation fans is three, and the three heat dissipation fans are arranged equidistantly from each other.

[0010] Preferably, four corners of the top of the cover plate are provided with mounting holes, and bolts are provided in the inner cavities of the mounting holes.

[0011] Preferably, the thermally conductive back plate and the heat dissipating fins are both made of aluminum, and the thermally conductive back plate and the heat dissipating fins are an integrated structure.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model installs the device inside the solar inverter equipment through the positioning hole. The heat generated by the operation of the equipment is conducted to the heat dissipation fins through the heat-conducting back plate. The heat dissipation fan is started by the external controller. The airflow generated by the heat dissipation fan can quickly cool down the heat on the surface of the heat dissipation fins, thereby improving the heat dissipation effect of the equipment. It can effectively solve the problem that the heat dissipation structure of the traditional heat dissipation device is relatively simple during use, and the heat cannot be quickly exported from the inside of the equipment, and the heat dissipation effect of the equipment cannot be further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the connection structure between the heat-conducting back plate and the heat-dissipating fins of the utility model;

[0016] Figure 3 It is a rear view schematic diagram of the heat-conducting back plate structure of the utility model.

[0017] In the figure: 1. Thermal conductive back plate; 2. Heat dissipation fins; 3. Protective cover; 4. Cover plate; 5. Mounting slot; 6. Mounting frame; 7. Heat dissipation fan; 8. Dust screen mounting cover; 9. Ventilation slot; 10. Mounting plate; 11. Positioning hole; 12. Heat dissipation hole; 13. Mounting hole. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3 A high-efficiency heat dissipation device for a solar inverter comprises a heat-conducting back plate 1, a heat-dissipating fin 2 is fixedly connected to the top of the heat-conducting back plate 1, a protective cover 3 is fixedly connected to the top of the heat-conducting back plate 1 and located outside the heat-dissipating fin 2, a cover plate 4 is arranged on the top of the protective cover 3, a mounting groove 5 is opened on the top of the cover plate 4, a mounting frame 6 is fixedly connected to the inner cavity of the mounting groove 5, a heat-dissipating fan 7 is fixedly connected to the inner cavity of the mounting frame 6, a dust-proof net mounting cover 8 is fixedly connected to the top of the cover plate 4 and located outside the heat-dissipating fan 7, ventilation grooves 9 are opened at the front and rear ends of the protective cover 3, and ventilation The wind slots 9 are arranged at equal distances, and the device is installed inside the solar inverter equipment through the positioning holes 11. The heat generated by the operation of the equipment is conducted to the heat dissipation fins 2 through the heat-conducting back plate 1. The heat dissipation fan 7 is started by an external controller. The airflow generated by the heat dissipation fan 7 can quickly cool down the heat on the surface of the heat dissipation fins 2, thereby improving the heat dissipation effect of the equipment. It can effectively solve the problem that during the use of traditional heat dissipation devices, their heat dissipation structure is relatively simple, and the heat cannot be quickly exported from the inside of the equipment, and the heat dissipation effect of the equipment cannot be further improved.

[0020] A mounting plate 10 is fixedly connected to the bottom of the heat-conducting back plate 1 , and a positioning hole 11 is formed on the top of the heat-conducting back plate 1 .

[0021] Through the above technical solution, by providing the mounting plate 10 and the positioning holes 11, the heat sink can be installed, thereby ensuring the stability of the installation of the heat sink.

[0022] A heat dissipation hole 12 is formed at the bottom of the heat-conducting back plate 1 , and the heat dissipation hole 12 penetrates into the inner cavity of the heat dissipation fin 2 .

[0023] Through the above technical solution, by providing the heat dissipation holes 12 , the heat dissipation effect of the thermal conductive back plate 1 can be improved.

[0024] The number of the heat dissipation fans 7 is three, and the three heat dissipation fans 7 are arranged at equal distances.

[0025] Through the above technical solution, by arranging the heat dissipation fans 7, the number of the heat dissipation fans 7 is three groups, which can greatly improve the heat dissipation effect of the equipment.

[0026] The four corners of the top of the cover plate 4 are provided with mounting holes 13 , and the inner cavities of the mounting holes 13 are provided with bolts.

[0027] Through the above technical solution, by providing the mounting holes 13 and bolts, the cover plate 4 can be connected to the protective cover 3, and at the same time, the purpose of convenient disassembly and maintenance can be achieved.

[0028] The thermal conductive back plate 1 and the heat dissipation fins 2 are both made of aluminum, and the thermal conductive back plate 1 and the heat dissipation fins 2 are an integrated structure.

[0029] Through the above technical solution, by providing the heat-conducting back plate 1 and the heat-dissipating fins 2, which are an integrated aluminum structure, the heat can be conducted and dissipated more efficiently.

[0030] When in use, the device is installed inside the solar inverter equipment through the positioning hole 11. The heat generated by the operation of the equipment is conducted to the heat dissipation fins 2 through the heat-conducting backplate 1. The heat dissipation fan 7 is started by an external controller. The airflow generated by the heat dissipation fan 7 can quickly cool down the heat on the surface of the heat dissipation fins 2, thereby improving the heat dissipation effect of the equipment.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An efficient heat dissipation device for a solar inverter, comprising a heat-conducting back plate (1), characterized in that: The top of the heat-conducting back plate (1) is fixedly connected to a heat dissipation fin (2); the top of the heat-conducting back plate (1) and located outside the heat dissipation fin (2) is fixedly connected to a protective cover (3); the top of the protective cover (3) is provided with a cover plate (4); the top of the cover plate (4) is provided with a mounting groove (5); the inner cavity of the mounting groove (5) is fixedly connected to a mounting frame (6); the inner cavity of the mounting frame (6) is fixedly connected to a heat dissipation fan (7); the top of the cover plate (4) and located outside the heat dissipation fan (7) is fixedly connected to a dust screen mounting cover (8); the front and rear ends of the protective cover (3) are provided with ventilation grooves (9); the ventilation grooves (9) are arranged at equal distances.

2. The high-efficiency heat dissipation device for a solar inverter according to claim 1, characterized in that: A mounting plate (10) is fixedly connected to the bottom of the heat-conducting back plate (1), and a positioning hole (11) is provided on the top of the heat-conducting back plate (1).

3. The high-efficiency heat dissipation device for a solar inverter according to claim 1, characterized in that: The bottom of the heat-conducting back plate (1) is provided with a heat dissipation hole (12), and the heat dissipation hole (12) penetrates into the inner cavity of the heat dissipation fin (2).

4. The high-efficiency heat dissipation device for a solar inverter according to claim 1, characterized in that: The number of the heat dissipation fans (7) is three, and the three heat dissipation fans (7) are arranged at equal distances from each other.

5. The high-efficiency heat dissipation device for a solar inverter according to claim 1, characterized in that: Four corners of the top of the cover plate (4) are provided with mounting holes (13), and bolts are provided in the inner cavities of the mounting holes (13).

6. The high-efficiency heat dissipation device for a solar inverter according to claim 1, characterized in that: The thermally conductive back plate (1) and the heat dissipation fins (2) are both made of aluminum, and the thermally conductive back plate (1) and the heat dissipation fins (2) are an integrated structure.

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