Waterproof photovoltaic power generation inverter

Abstract

The utility model discloses a waterproof photovoltaic power generation inverter, and relates to the technical field of equipment waterproofing. The inverter circuit assembly is installed in the lower shell, the lower shell and the upper shell are connected into a shell through hinges, the inverter circuit assembly is prevented from being wetted by rainwater during outdoor work, supporting legs arranged at the four corners of the lower surface of the lower shell can prevent accumulated water from overflowing the shell, handles are arranged on the two sides of the lower shell, and the shell can be moved more conveniently through the handles. A wiring hole is further formed in the side face of the lower shell, a thread arranged in the wiring hole is in threaded connection with a binding post, a hole used for wiring is formed in the binding post, a line enters the box body through the hole so that rainwater can be prevented from entering the box body through the line, and a lock catch arranged at the front end of the upper shell is matched with a protrusion of the lower shell so that connection of the shell can be tighter. A handle on the upper surface of the upper shell facilitates opening of the shell, a cooling fan installed in the upper shell can sense the internal temperature for cooling, and the cooling fan is electrically connected with the inverter circuit assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of waterproof equipment, in particular to a waterproof photovoltaic power generation inverter. Background Art

[0002] Photovoltaic inverters are used in photovoltaic systems. They can convert the variable DC voltage generated by photovoltaic solar panels into AC power at the mains frequency, which can be fed back to the commercial power transmission system or used for off-grid power grids. They generally include inverter circuit components, outer shell and heat dissipation mechanism.

[0003] Existing photovoltaic inverters are exposed to wind and rain when working outdoors, and are prone to water ingress, causing machine failure.

[0004] The lines may also cause water to enter the machine, and rainwater may enter the machine through the lines, causing damage to the machine and making it unusable. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a waterproof photovoltaic power generation inverter, which solves the problem that the photovoltaic power generation inverter is difficult to be waterproof.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the utility model is implemented through the following technical solutions: a waterproof photovoltaic power generation inverter, including: a lower shell, an inverter circuit component is installed in the lower shell, handles are provided on both side surfaces of the lower shell, a protrusion is provided at the front end of the lower shell, legs are provided at the four corners of the lower surface of the lower shell, a wiring hole is provided on one side of the lower shell, a terminal is threadedly connected to the wiring hole, a hinge is provided at the rear end of the lower shell, the lower shell is connected to the upper shell through the hinge, a cooling fan is installed in the upper shell, the cooling fan is electrically connected to the inverter circuit component, a latch is provided at the front end of the upper shell, the latch cooperates with the protrusion, and a handle is provided on the upper surface of the upper shell.

[0009] Preferably, the upper shell is semicircular.

[0010] Preferably, a buffer pad is provided between the upper shell and the lower shell.

[0011] Preferably, the buffer pad is made of rubber.

[0012] Preferably, a rotating shaft is provided on the inner side of the handle, and the handle is rotatably connected to the lower shell body via the rotating shaft.

[0013] Preferably, grooves matching the handles are provided on both side surfaces of the lower shell.

[0014] Preferably, heat dissipation holes are provided on the lower surface of the lower shell.

[0015] Preferably, the surfaces of the lower shell and the upper shell are painted with waterproof paint.

[0016] (III) Beneficial effects

[0017] The utility model provides a waterproof photovoltaic power generation inverter, which has at least the following beneficial effects compared with the prior art: an inverter circuit component is installed in a lower shell, and the lower shell and the upper shell are connected to form an outer shell by hinges to prevent rain from wetting the inverter circuit component when working outdoors; legs are provided at the four corners of the lower surface of the lower shell to prevent accumulated water from overflowing the outer shell; handles are provided on both sides of the lower shell, and the handles can more conveniently move the outer shell; wiring holes are also provided on the side of the lower shell, and threads provided inside the wiring holes are connected to the threads of the terminal posts; holes for wiring are provided inside the terminal posts, and the lines enter the box through the holes to prevent rain from entering the interior through the lines; a latch buckle provided at the front end of the upper shell cooperates with the protrusion of the lower shell to make the connection of the outer shell tighter; the handle on the upper surface of the upper shell is convenient for opening the outer shell; a cooling fan installed in the upper shell can sense the internal temperature to dissipate heat, and the cooling fan is electrically connected to the inverter circuit component. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the closed structure of the utility model;

[0020] Figure 3 It is a bottom schematic diagram of the utility model;

[0021] In the figure: 1. lower shell; 2. upper shell; 3. inverter circuit assembly; 4. protrusion; 5. cooling fan; 6. latch; 7. grip; 8. hinge; 9. handle; 10. groove; 11. terminal; 12. wiring hole; 13. leg; 14. cooling hole. DETAILED DESCRIPTION

[0022] 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.

[0023] Example 1: Please refer to Figure 1-3The utility model provides a technical solution: a waterproof photovoltaic power generation inverter, comprising: a lower shell 1, an inverter circuit assembly 3 is installed in the lower shell 1, handles 9 are provided on both sides of the lower shell 1, a protrusion 4 is provided at the front end of the lower shell 1, legs 13 are provided at the four corners of the lower surface of the lower shell 1, a wiring hole 12 is provided on one side of the lower shell 1, a terminal 11 is connected to the wiring hole 12 through a thread, a hinge 8 is provided at the rear end of the lower shell 1, the lower shell 1 is connected to the upper shell 2 through the hinge 8, a cooling fan 5 is installed in the upper shell 2, a latch 6 is provided at the front end of the upper shell 2, the latch 6 cooperates with the protrusion 4, and a handle 7 is provided on the upper surface of the upper shell 2.

[0024] Analysis of the above content: In actual use, the lower shell 1 and the upper shell 2 are tightly connected by a snap-on buckle, so that the inverter circuit assembly 3 will not be soaked by rainwater. The support legs 13 provided under the lower shell 1 can prevent the accumulated water at the bottom from overflowing the lower shell 1. The circuit is connected to the inverter circuit assembly 3 through the terminal post 11 and the terminal hole 12. The hole inside the terminal post 11 can also be used to place sealing rings and other items existing in the prior art to achieve better sealing, which can prevent rainwater from entering the interior through the line. The handles 9 provided on both sides of the lower shell 1 facilitate the movement of the device, and the grip 7 on the upper shell 2 facilitates the opening of the device. A cooling fan 5 made by prior art is also installed in the upper shell 2, which automatically runs when a certain temperature is reached to prevent the inverter circuit assembly 3 from stopping working due to overheating.

[0025] Example 2: Please refer to Figure 1 The utility model provides a technical solution: the upper shell 2 is semicircular.

[0026] Analysis of the above content: In actual use, the semicircular upper shell 2 is conducive to drainage and prevents rainwater from accumulating in the upper shell 2.

[0027] Example 3: Please refer to Figure 1 The utility model provides a technical solution: a buffer pad is provided between the upper shell 2 and the lower shell 1.

[0028] Analysis of the above content: In actual use, the buffer pad can reduce the noise of machine operation on the one hand, and on the other hand, it has good sealing properties to prevent water ingress.

[0029] Example 4: Please refer to Figure 2 The utility model provides a technical solution: the buffer pad is made of rubber.

[0030] Analysis of the above content: In actual use, rubber material has better plasticity and better sealing performance during use.

[0031] Example 5: Please refer to Figure 1The utility model provides a technical solution: a rotating shaft is provided inside the handle 9, and the handle is rotatably connected to the lower shell 1 through the rotating shaft.

[0032] Analysis of the above content: In actual use, the handle 9 can be rotated by the shaft to facilitate people to lift the device.

[0033] Example 6: Please refer to Figure 1 The utility model provides a technical solution: grooves 10 matching the handle 9 are provided on both side surfaces of the lower shell 1 .

[0034] Analysis of the above content: In actual use, the groove 10 can be used to place the handle 9 when idle, saving space.

[0035] Example 7: Please refer to Figure 1 The utility model provides a technical solution: a heat dissipation hole 14 is provided on the lower surface of the lower shell 1 .

[0036] Analysis of the above content: In actual use, the heat dissipation holes 14 can better alleviate the high temperature caused by the operation of the internal inverter circuit component 3.

[0037] Example 8: Please refer to Figure 1 The utility model provides a technical solution: the surfaces of the lower shell 1 and the upper shell 2 are painted with waterproof paint.

[0038] Analysis of the above content: In actual use, the waterproof paint is made using existing technology, and the waterproof effect is better when the equipment is used.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] 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. A waterproof photovoltaic power generation inverter, characterized in that: include: A lower shell (1), wherein an inverter circuit assembly (3) is installed in the lower shell (1), handles (9) are provided on both sides of the lower shell (1), a protrusion (4) is provided at the front end of the lower shell (1), legs (13) are provided at four corners of the lower surface of the lower shell (1), a wiring hole (12) is provided on one side of the lower shell (1), a terminal (11) is connected to the inner thread of the wiring hole (12), a hinge (8) is provided at the rear end of the lower shell (1), the lower shell (1) is connected to the upper shell (2) through the hinge (8), a cooling fan (5) is installed in the upper shell (2), the cooling fan (5) is electrically connected to the inverter circuit assembly (3), a latch (6) is provided at the front end of the upper shell (2), the latch (6) cooperates with the protrusion (4), and a grip (7) is provided on the upper surface of the upper shell (2).

2. A waterproof photovoltaic power generation inverter according to claim 1, characterized in that: The upper shell (2) is semicircular.

3. A waterproof photovoltaic power generation inverter according to claim 1, characterized in that: A buffer pad is provided between the upper shell (2) and the lower shell (1).

4. A waterproof photovoltaic power generation inverter according to claim 3, characterized in that: The buffer pad is made of rubber.

5. The waterproof photovoltaic power generation inverter according to claim 1, characterized in that: A rotating shaft is provided inside the handle (9), and the handle (9) is rotatably connected to the lower housing (1) via the rotating shaft.

6. A waterproof photovoltaic power generation inverter according to claim 5, characterized in that: Grooves (10) matching the handle (9) are provided on both side surfaces of the lower shell (1).

7. A waterproof photovoltaic power generation inverter according to claim 1, characterized in that: The lower surface of the lower shell (1) is provided with heat dissipation holes (14).

8. The waterproof photovoltaic power generation inverter according to claim 1, characterized in that: The surfaces of the lower shell (1) and the upper shell (2) are painted with waterproof paint.

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