Miniature inverter lightning protection device

Abstract

The utility model provides a miniature inverter lightning protection device comprising a lightning protection structure, the lightning protection structure comprises a lightning protection belt body, the bottom of the lightning protection belt body is provided with an insertion shaft, the bottom of the insertion shaft is provided with a groove, the groove is connected with a ground wire, the inner side of the lightning protection belt body is provided with a plurality of insulating rods, and the insulating rods are connected with the ground wire. A placement bin is arranged among the plurality of insulating rods, and a micro inverter body is arranged at the top of the placement bin. According to the utility model, through the groove arranged at the bottom of the insertion shaft, the lightning protection structure can be directly connected with a ground wire, and the groove is inserted into one end of the ground wire, so that the lightning protection structure can be fixed, and then the micro inverter body is directly placed in the middle of the lightning protection structure, so that the lightning protection belt body surrounds the micro inverter for a circle; therefore, the lightning protection function of the miniature inverter body is realized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to micro inverter technical field, concretely relates to a micro inverter lightning protection equipment. BACKGROUND

[0002] Micro inverter, generally refers to the power less than or equal to 1000 watts in photovoltaic power generation system, with the component level MPPT's inverter, full name is micro photovoltaic grid-connected inverter. "Micro" is relative to traditional centralized inverter. The traditional photovoltaic inverter mode is to connect all photovoltaic cells under the sunlight generated direct current together in series and parallel, and then through an inverter, direct current is inverted into alternating current and connected to the grid. Micro inverter is inverted to each component. Its advantage is that each component can be independently controlled by MPPT, which can greatly improve the overall efficiency, and can also avoid the high voltage of direct current, weak light effect, wood barrel effect and other problems of centralized inverter.

[0003] Among them, the micro inverter is mainly connected with the photovoltaic cell, so that the micro inverter is mainly installed outdoors. However, the micro inverter installed outdoors needs to be installed with lightning protection equipment to avoid lightning damage to the micro inverter. However, the lightning protection equipment is directly welded with the ground wire during installation, which is more troublesome when replacing the lightning protection equipment. UTILITY MODEL CONTENTS

[0004] PURPOSE OF THE UTILITY MODEL

[0005] In view of the above technical problems, the utility model provides a micro inverter lightning protection equipment to solve the technical problems mentioned in the background art.

[0006] TECHNICAL SCHEME

[0007] In order to achieve the above purpose, the utility model provides a technical scheme of a micro inverter lightning protection equipment, which comprises a lightning protection structure, the inside of the lightning protection structure is provided with a micro inverter body, and the bottom of the middle of the lightning protection structure is provided with a heat dissipation structure.

[0008] The lightning protection structure comprises a lightning protection belt body, the bottom of the lightning protection belt body is provided with a plug shaft, the bottom of the plug shaft is provided with a groove, the groove is connected with the ground wire, the inner side of the lightning protection belt body is provided with an insulating rod, the number of the insulating rods is multiple, and a placing bin is arranged between the multiple insulating rods, and the top of the placing bin is provided with a micro inverter body.

[0009] Preferably, the four corners of the top of the placing bin are provided with spring rods, and the top of the spring rods is provided with a pressing plate.

[0010] Preferably, a guide groove is formed in the inside of the placing bin, a gas groove is formed in the inside of the placing bin, and a clamping groove is formed in the outer wall of the placing bin.

[0011] Preferably, the heat dissipation structure comprises a bottom plate, four edges of the bottom plate are provided with elastic plates, top portions of the elastic plates are provided with clamping strips, and the clamping strips are clamped with clamping grooves.

[0012] Preferably, a mounting groove is formed in the middle of the bottom plate, and a heat dissipation fan is rotationally connected to the middle of the mounting groove and arranged directly below the placing bin.

[0013] Advantages

[0014] Compared with the prior art, the technical scheme of the utility model has the following advantages:

[0015] The groove formed in the bottom of the insertion shaft can directly connect the lightning protection structure with the ground wire, the groove is inserted into one end of the ground wire, the lightning protection structure can be fixed, the micro inverter body is directly placed in the middle of the lightning protection structure, the lightning protection belt body surrounds the micro inverter, and the function of lightning protection of the micro inverter body is realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a perspective view of the utility model;

[0017] Fig. 2 It is a perspective view of the lightning protection structure of the utility model;

[0018] Fig. 3 It is a perspective view of the heat dissipation structure of the utility model.

[0019] REFERENCE NUMERALS

[0020] 1, lightning protection structure; 101, lightning protection belt body; 102, insertion shaft; 103, insulating rod; 104, placing bin; 105, spring rod; 106, pressing plate; 107, guide groove; 108, air groove; 109, clamping groove; 2, micro inverter body; 3, heat dissipation structure; 301, bottom plate; 302, elastic plate; 303, clamping strip; 304, mounting groove; 305, heat dissipation fan. DETAILED DESCRIPTION

[0021] In the description of the utility model, it is understood that the directions or positional relations indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", "coaxial", "bottom", "one end", "top", "the other end", "one side", "front", "both ends", "both sides" are based on the directions or positional relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the indicated device or element to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.

[0022] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features.

[0023] In the utility model, unless otherwise specified and limited, the terms "mounting", "connection", "connection", "fixing", "provided with" and the like should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, or electrically connected, can be directly connected, or indirectly connected through an intermediate medium, and can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] Now refer to the drawings, wherein the purpose of the drawings shown is only to show some exemplary embodiments, and is not intended to limit the utility model. In the drawings, the same reference signs represent the same or corresponding parts. The size and proportion in each drawing are only for illustration, and should not be interpreted as limiting the utility model, and these sizes may be enlarged relative to the actual product.

[0025] Referring to Figs. 1-3 , a kind of miniature inverter lightning protection equipment is shown, including lightning protection structure 1, the inside of lightning protection structure 1 is provided with miniature inverter body 2, the bottom of the middle of lightning protection structure 1 is provided with heat dissipation structure 3;

[0026] The lightning protection structure 1 includes a lightning protection belt body 101, the bottom of the lightning protection belt body 101 is provided with an insertion shaft 102, the bottom of the insertion shaft 102 is provided with a groove, the groove is connected with a ground wire, the inner side of the lightning protection belt body 101 is provided with an insulating rod 103, the number of the insulating rod 103 is multiple, the multiple insulating rods 103 are provided with a placing bin 104, the top of the placing bin 104 is provided with a micro inverter body 2, the four corners of the top of the placing bin 104 are provided with a spring rod 105, the top of the spring rod 105 is provided with a pressing plate 106, the inside of the placing bin 104 is provided with a guide groove 107, the inside of the placing bin 104 is provided with an air groove 108, the outer wall of the placing bin 104 is provided with a clamping groove 109, when the lightning protection equipment needs to be installed, the ground wire is laid first, then the top of the ground wire is connected with a pin, then the groove at the bottom of the insertion shaft 102 at the bottom of the lightning protection belt body 101 is inserted into the outer wall of the pin, so that the lightning protection belt body 101 is fixed, then the micro inverter body 2 is placed into the inside of the placing bin 104, the spring rod 105 is loosened, the spring rod 105 drives the pressing plate 106 to move downwards, the pressing plate 106 is clamped with the top of the micro inverter body 2, so that the micro inverter body 2 is stably fixed, the main function of the lightning protection belt body 101 is that the structure body which needs to be protected by the micro inverter body 2 is connected with the ground, a low impedance path is formed, the lightning current is effectively guided into the ground, so that the building, equipment or personnel are not harmed by high voltage and high current, and the lightning protection belt body 101 is insulated between the insulating rod 103 and the micro inverter body 2.

[0027] Further, in the above technical solution, the heat dissipation structure 3 includes a bottom plate 301, the four sides of the bottom plate 301 are provided with elastic plates 302, the top of the elastic plate 302 is provided with a clamping strip 303, the clamping strip 303 is clamped with the clamping groove 109, the middle of the bottom plate 301 is provided with a mounting groove 304, the middle of the mounting groove 304 is rotatably connected with a heat dissipation fan 305, the heat dissipation fan 305 is arranged below the placing bin 104, the bottom plate 301 is installed at the bottom of the placing bin 104, then the bottom plate 301 is attached with the placing bin 104, the heat dissipation fan 305 is started, the heat dissipation fan 305 sucks the gas through the guide groove 107 and the air groove 108, the air contacts the micro inverter body 2 and is discharged, so that the heat dissipation is realized.

[0028] The above embodiment only expresses certain implementation manners of the present application, and the description is more specific and detailed, but it cannot be understood as the limitation of the patent scope of the present application; it should be pointed out that, for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application; therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A lightning protection device for a micro-inverter, characterized by, The application relates to a lightning protection structure (1) which is internally provided with a micro inverter body (2), and the bottom of the lightning protection structure (1) is provided with a heat dissipation structure (3). The lightning protection structure (1) comprises a lightning protection belt body (101), the bottom of the lightning protection belt body (101) is provided with an insertion shaft (102), the bottom of the insertion shaft (102) is provided with a groove, the groove is connected with a ground wire, the inner side of the lightning protection belt body (101) is provided with an insulating rod (103), the number of the insulating rods (103) is multiple, and a placing bin (104) is arranged between the multiple insulating rods (103), and the top of the placing bin (104) is provided with a micro inverter body (2). The four corners of the top of the placing bin (104) are provided with spring rods (105), and the top of the spring rods (105) is provided with pressing plates (106).

2. The lightning protection device for micro-inverter according to claim 1, characterized in that: The inside of the placing bin (104) is provided with a guide groove (107), the inside of the placing bin (104) is provided with an air groove (108), and the outer wall of the placing bin (104) is provided with a clamping groove (109).

3. The lightning protection device for micro-inverter according to claim 1, wherein: The heat dissipation structure (3) comprises a bottom plate (301), the four sides of the bottom plate (301) are provided with elastic plates (302), the top of the elastic plate (302) is provided with a clamping strip (303), and the clamping strip (303) is clamped with the clamping groove (109).

4. The lightning protection device for micro-inverter according to claim 1, wherein: The middle of the bottom plate (301) is provided with a mounting groove (304), the middle of the mounting groove (304) is rotationally connected with a heat dissipation fan (305), and the heat dissipation fan (305) is arranged directly below the placing bin (104).

5. The lightning protection device for micro-inverter according to claim 4, characterized in that: ​

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