Photovoltaic inverter

Abstract

The utility model discloses a photovoltaic inverter. The photovoltaic inverter comprises a main body, an inverter main control board and a lamp strip. A cavity is formed in the main body, and a view window communicated with the cavity is formed in the side wall of the cavity; the inverter main control board is arranged in the cavity; the lamp strip is arranged in the cavity and electrically connected with the inverter main control board, and light emitted by the lamp strip is emitted to the external space of the main body through the window. The photovoltaic inverter at least can solve the problems that an existing photovoltaic inverter is high in cost, occupies the internal hardware layout space of the inverter and has many safety problems.

Description

Technical Field

[0001] The utility model relates to the field of inverter devices, in particular to a photovoltaic inverter. Background Art

[0002] At present, in order to improve the visual experience of customers, the photovoltaic inverter industry has begun to adopt some breathing light solutions that are only available in consumer electronic products. The usual breathing light solution includes the following requirements:

[0003] 1) The light source of the breathing light should be uniform and soft;

[0004] 2) The breathing light should be able to achieve a gradual "breathing" effect from bright to dark;

[0005] 3) The breathing light should be able to reflect the working status of the photovoltaic inverter.

[0006] In the current photovoltaic inverter industry, in order to meet the above requirements, the breathing light of the photovoltaic inverter is mainly realized by a separate set of breathing light components, which includes hardware, software, etc. Since the transparent surface sticker area on the photovoltaic inverter cover for display is limited, and the internal space of the household energy storage photovoltaic inverter is relatively compact, adding a set of breathing light components will not only increase the cost, but also occupy the internal space of the photovoltaic inverter, and safety issues need to be considered. Utility Model Content

[0007] The main purpose of the utility model is to provide a photovoltaic inverter, which at least solves the problems of the existing photovoltaic inverters, such as high cost, occupying the hardware layout space inside the inverter, and having many safety issues.

[0008] According to one aspect of the utility model, a photovoltaic inverter is provided, comprising:

[0009] A main body, wherein a cavity is disposed on the main body, and a viewing window communicating with the cavity is disposed on a side wall of the cavity;

[0010] An inverter main control board, wherein the inverter main control board is arranged in the cavity;

[0011] A light strip is arranged in the cavity and electrically connected to the inverter main control board, and light emitted by the light strip is emitted to the external space of the main body through the viewing window.

[0012] Furthermore, the photovoltaic inverter further comprises:

[0013] A light guide structure is arranged in the cavity and opposite to the viewing window, the light strip is arranged on the peripheral side of the light guide structure, and the light emitted by the light strip is refracted or reflected by the light guide structure and then emitted from the viewing window to the external space of the main body.

[0014] Furthermore, the photovoltaic inverter further comprises:

[0015] A window cover is arranged inside the cavity and covers the viewing window. The window cover is provided with the light guide structure, and the light guide structure is convexly arranged on a side of the window cover facing the inside of the cavity.

[0016] Furthermore, a groove is provided on one side of the window cover close to the viewing window, and a limiting flange is provided on the periphery of the viewing window, and the limiting flange is inserted into the groove.

[0017] Furthermore, the side surface of the light-guiding structure close to the viewing window and / or the side surface away from the viewing window is a concave-convex surface.

[0018] Furthermore, the inverter main control board and the side of the window cover facing away from the viewing window are connected to the main body through fasteners, and the light strip is installed on the inverter main control board.

[0019] Furthermore, a display screen is arranged on the inverter main control board, and an opening opposite to the display screen is arranged on the main body.

[0020] Further, the opening and the viewing window are located on the same side of the main body, the outer wall surface of the main body has a recessed portion, and the viewing window and the opening are both located at the bottom of the recessed portion;

[0021] The photovoltaic inverter further includes a perspective surface sticker, which is disposed in the recessed portion and covers the viewing window and the opening, and a surface of the perspective surface sticker facing away from the viewing window is flush with an outer surface of the main body.

[0022] Further, an adhesive layer is provided between the window cover and the inner wall surface of the cavity; and / or,

[0023] The window cover is locked on the main body through a locking piece.

[0024] Furthermore, the main body includes a bottom shell and a cover body, the bottom shell is provided with the cavity, the cover body is covered on the bottom shell and seals the cavity, the viewing window is provided on the cover body, and the inverter main control board is fixedly connected to the cover body.

[0025] Compared with the prior art, the present invention has at least the following effects: the light strip is electrically connected to the inverter main control board, and the light strip can be controlled by the inverter main control board. During operation, the light emitted by the light strip can be emitted to the outside of the main body through the viewing window, so as to show the working status of the photovoltaic inverter to the user. Compared with the photovoltaic inverter in the prior art, the present invention electrically connects the light strip used to display the working status of the photovoltaic inverter to the inverter main control board and uses the inverter main control board to control the light strip, without the need to set up an additional hardware structure for controlling the light strip. In this way, not only can the internal space of the photovoltaic inverter be saved, there is no need to consider the safety issues between the hardware and other components in the production process, but also the production and manufacturing cost of the photovoltaic inverter in this application can be greatly saved.

[0026] That is to say, compared with the photovoltaic inverter in the prior art, the photovoltaic inverter in the present application has a simpler structure, and there is no need to consider the safety issues between the hardware structure used to control the light strip and other structures during production, which can effectively reduce the production cost of the photovoltaic inverter. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. 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:

[0028] Figure 1 This is an exploded view of a photovoltaic inverter disclosed in an embodiment of the utility model;

[0029] Figure 2 It is a structural diagram of a perspective surface sticker disclosed in an embodiment of the utility model;

[0030] Figure 3 It is a structural diagram of the window cover disclosed in the embodiment of the utility model;

[0031] Figure 4 This is a structural diagram of the inverter main control board and the light strip disclosed in the embodiment of the utility model;

[0032] Figure 5 A cross-sectional view of the cover body portion disclosed in the embodiment of the utility model;

[0033] Figure 6 for Figure 5 An enlarged view of part A in FIG.

[0034] Figure 7 This is a structural diagram of the cover body disclosed in the embodiment of the utility model when it is at a first viewing angle;

[0035] Figure 8This is a structural diagram of the cover body disclosed in the embodiment of the utility model when it is at a second viewing angle;

[0036] Fig. 9 This is an exploded view of the bottom shell and the inverter main control board of the photovoltaic inverter disclosed in the embodiment of the utility model.

[0037] The above drawings include the following reference numerals:

[0038] 10. Main body; 11. Bottom shell; 12. Cover body; 121. Viewing window; 122. Limiting flange; 123. Opening; 124. Recessed portion; 101. Cavity; 20. Inverter main control board; 21. Display screen; 30. Light strip; 40. Viewing window cover; 41. Light guide structure; 411. Concave and convex surface; 42. Groove; 50. Fastener; 60. Perspective surface sticker; 601. Mesh opening; 602. Visible area; 70. Locking piece. DETAILED DESCRIPTION

[0039] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0040] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0041] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps described in these embodiments do not limit the scope of the utility model. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once a certain item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0042] In order to solve the pain points of the existing photovoltaic inverters, such as high cost, occupying the internal space of the photovoltaic inverter, and having many safety issues, according to the embodiment of the utility model, a photovoltaic inverter is provided. The photovoltaic inverter of the utility model will be described in detail below with reference to the accompanying drawings.

[0043] See also Figures 1 to 9 As shown, according to an embodiment of the present utility model, a photovoltaic inverter is provided. The photovoltaic inverter comprises a main body 10 , an inverter main control board 20 and a light strip 30 .

[0044] Among them, a cavity 101 is provided on the main body 10, and a viewing window 121 connected to the cavity 101 is provided on the side wall of the cavity 101; the inverter main control board 20 is arranged in the cavity 101; the light strip 30 is arranged in the cavity 101 and is electrically connected to the inverter main control board 20, and the light emitted by the light strip 30 is emitted to the external space of the main body 10 through the viewing window 121.

[0045] In the present utility model, the light strip 30 is electrically connected to the inverter main control board 20, and the light strip 30 can be controlled by the inverter main control board 20. During operation, the light emitted by the light strip 30 can be emitted to the outside of the main body 10 through the viewing window 121, so as to show the working status of the photovoltaic inverter to the user. Compared with the photovoltaic inverter in the prior art, in this embodiment, the light strip 30 used to display the working status of the photovoltaic inverter is electrically connected to the inverter main control board 20 and the inverter main control board 20 is used to control the light strip 30, without the need to set up an additional hardware structure for controlling the light strip 30. In this way, not only can the internal space of the photovoltaic inverter be saved, there is no need to consider the safety issues between the hardware and other components in the production process, but also the production and manufacturing cost of the photovoltaic inverter in this embodiment can be greatly saved.

[0046] That is to say, compared with the photovoltaic inverter in the prior art, the photovoltaic inverter in this embodiment has a simpler structure, and there is no need to consider the safety issues between the hardware structure used to control the light strip 30 and other structures during production, which can effectively reduce the production cost of the photovoltaic inverter.

[0047] See also Figure 1 and Fig. 9 As shown, in this embodiment, the main body 10 can be a cube, a cuboid, other prisms, a cylinder or an elliptical cylinder, etc., regular or irregular shapes. Figure 1 , the main body 10 is generally a rectangular parallelepiped. Specifically, the main body 10 in this embodiment includes a bottom shell 11 and a cover 12, wherein the bottom shell 11 is provided with a cavity 101, the cover 12 is covered on the bottom shell 11 and seals the cavity 101, and a viewing window 121 is provided on the cover 12, so that the user can observe the light strip 30 from the front of the photovoltaic inverter.

[0048] In order to improve the sealing performance of the photovoltaic inverter in this embodiment, a sealing element (not shown in the figure) is further provided between the cover 12 and the bottom shell 11 in this embodiment, and the sealing element may be, for example, a sealing ring or the like. When the cover 12 is placed on the bottom shell 11, the cover 12 may press the sealing ring tightly, and the sealing ring may effectively seal the gap between the cover 12 and the bottom shell 11, thereby effectively ensuring the sealing performance of the photovoltaic inverter in this embodiment.

[0049] Furthermore, in order to facilitate assembly, in this embodiment, the inverter main control board 20 is fixedly mounted on the cover body 12 , specifically, on a side of the cover body 12 close to the cavity 101 .

[0050] like Figures 3 to 9 As shown, the photovoltaic inverter in this embodiment also includes a light guide structure 41, which is arranged in the cavity 101 and opposite to the viewing window 121; the light strip 30 is arranged on the peripheral side of the light guide structure 41, and the light emitted by the light strip 30 is refracted or reflected by the light guide structure 41 and then emitted from the viewing window 121 to the external space of the main body. In this embodiment, the light strip 30 is arranged on the outer peripheral side of the light guide structure 41, which can save space in the height direction of the photovoltaic inverter and improve the space utilization rate of the photovoltaic inverter in the horizontal direction (i.e., the direction parallel to the cover 12 of the photovoltaic inverter). The internal structure of the photovoltaic inverter is more compact, which is convenient for realizing the miniaturization design of the photovoltaic inverter. At the same time, through the action of the light guide structure 41, the light emitted by the light strip 30 can be reflected or refracted to the outside of the main body 10 for the user to observe, and the structure is simple and easy to implement.

[0051] Exemplarily, the light-guiding structure 41 in this embodiment may be a glass plate, or a transparent plastic plate or other structure. As long as it is other deformation modes under the conception of this application, it is within the protection scope of this application.

[0052] Furthermore, the photovoltaic inverter in this embodiment further includes a window cover 40, which is disposed inside the cavity 101 and covers the viewing window 121, which can improve the sealing performance of the photovoltaic inverter in this embodiment to a certain extent, and prevent external water or dust from entering the cavity 101. In addition, the window cover 40 in this embodiment is provided with the above-mentioned light guide structure 41, which is convexly disposed on the side of the window cover 40 facing the inside of the cavity 101, so that the outer peripheral side of the light guide structure 41 has a certain gap, which is convenient for the installation of the light strip 30, and the structure inside the photovoltaic inverter is more compact. After the window cover 40 covers the viewing window 121, the light guide structure 41 on the window cover 40 can be just opposite to the viewing window 121, which is convenient for refracting or reflecting the light emitted by the light strip 30 to the outside of the main body 10.

[0053] That is to say, the design that the window cover 40 is installed inside the cavity 101 and covers the viewing window 121 can greatly reduce the risk of external debris entering the interior of the photovoltaic inverter through the viewing window 121. During actual installation, an adhesive layer (not shown in the figure) is provided between the window cover 40 and the inner wall surface of the cavity 101. The adhesive layer can be, for example, a double-sided adhesive tape or glue. The provision of the adhesive layer can not only fix the window cover 40 on the inner wall surface of the cavity 101, but also improve the sealing of the photovoltaic inverter. In order to improve the installation stability of the window cover 40, the window cover 40 in this embodiment can also be locked on the main body 10 by a locking member 70. By way of example, the locking member 70 can be, for example, a pin, a pin, a buckle, etc. As long as it is other deformation methods under the conception of the utility model, they are all within the protection scope of the utility model.

[0054] Furthermore, if Figures 5 to 7 As shown, a groove 42 is provided on one side of the window cover 40 close to the viewing window 121, and a limiting flange 122 is provided on the periphery of the viewing window 121, and the limiting flange 122 is inserted into the groove 42. Such a design facilitates rapid positioning when the window cover 40 is installed on the cover body 12. This embodiment shows the situation where the limiting flange 122 and the groove 42 are simultaneously recessed into the cavity 101, and the situation where the limiting flange 122 and the groove 42 are simultaneously recessed outside the cavity 101 is also within the scope of protection claimed by the present utility model.

[0055] Furthermore, if Figure 1 and Figure 3 As shown, the side of the light guide structure 41 close to the viewing window 121 and / or the side away from the viewing window 121 is a concave-convex surface 411. That is to say, in actual design, the side of the light guide structure 41 close to the viewing window 121 can be set as the concave-convex surface 411, the side of the light guide structure 41 away from the viewing window 121 can also be set as the concave-convex surface 411, and the side of the light guide structure 41 close to or away from the viewing window 121 can also be set as the concave-convex surface 411 at the same time. In this way, when the light emitted by the light strip 30 is irradiated on the concave-convex surface 411, reflection or refraction can occur, so that the light emitted by the light strip 30 is transmitted to the outside of the viewing window 121.

[0056] Furthermore, if Figure 1 , Figure 5 , Figure 6 and Figure 8 As shown, the inverter main control board 20 and the side of the window cover 40 away from the viewing window 121 are connected to the main body 10 through a fastener 50, and the light strip 30 is installed on the inverter main control board 20 and is electrically connected to the inverter main control board 20.

[0057] Specifically, the light strip 30 is installed on the inverter main control board 20. In this embodiment, the light strip 30 is parallel to the long side of the rectangular structure of the photovoltaic inverter main body 10, and the light strip 30 can be installed on the inverter main control board 20 by welding. When the inverter main control board 20 and the window cover 40 are installed closely, the light strip 30 is just located on the peripheral side of the light guide structure 41 on the window cover 40. For the situation that the light strip 30 is parallel or non-parallel to the other sides of the rectangular shape of the photovoltaic inverter main body 10 after installation, and the other electrical connection methods such as direct plug-in connection or card lock when the light strip 30 is installed on the inverter main control board 20, all are within the scope of protection claimed by the utility model. The inverter main control board 20 shown in this embodiment is connected to the main body 10 by fasteners 50. This ensures that the connection between the inverter main control board 20 and the main body 10 is more reliable, ensuring that the service life of the photovoltaic inverter in a vibration environment is longer. Moreover, the connection modes such as buckling or bonding between the inverter main control board 20 and the main body 10 not shown in this embodiment are all within the scope of protection claimed by the present invention. For example, the fastener 50 in the present invention can be a screw, a pin or a buckle.

[0058] Furthermore, if Figure 4 and Figure 7 As shown, a display screen 21 is provided on the inverter main control board 20, and an opening 123 opposite to the display screen 21 is provided on the main body 10; when the inverter main control board 20 and the window cover 40 are installed tightly, the display screen 21 is just opposite to the opening 123 on the main body 10, and the user can view the working status and various parameters of the photovoltaic inverter in real time through the opening 123 on the main body 10 when the photovoltaic inverter is working.

[0059] Furthermore, if Figure 2 , Figure 5 , Figure 6 and Figure 7 As shown, the opening 123 and the viewing window 121 are located on the same side of the main body 10, and the outer wall surface of the main body 10 has a recessed portion 124, and the viewing window 121 and the opening 123 are both located at the bottom of the recessed portion 124; the perspective surface sticker 60 is arranged in the recessed portion 124 and covers the viewing window 121 and the opening 123, and the surface of the perspective surface sticker 60 facing away from the viewing window 121 is flush with the outer surface of the main body 10.

[0060] Specifically, since the main body 10 is provided with a recessed portion 124, the perspective surface sticker 60 can be flush with the surface of the main body when installed in the recessed portion 124, so that the outer surface of the main body 10 will not be uneven, and the appearance integrity of the photovoltaic inverter can be ensured, and the perspective surface sticker 60 is not easily scratched by other objects; not only that, the perspective surface sticker 60 in this embodiment is also provided with a mesh opening 601 and a visible area 602; the mesh opening 601 is to allow the light emitted by the light strip 30 to be emitted to the outer surface of the main body 10 through the mesh opening 601, and the visible area 602 is to be able to view the working parameters of the photovoltaic inverter displayed on the display screen 21 through the perspective surface sticker 60; for the remaining structures of the perspective surface sticker 60 not shown in this embodiment, as long as they are for viewing the lights and the display screen 21, they are all within the scope of protection required by this embodiment.

[0061] From the above statements, we can know that when assembling the photovoltaic inverter:

[0062] First, the perspective sticker 60 is attached to the recessed portion 124 of the cover body 12, and glue is applied to the glue groove (not shown in the figure) on the back of the cover body 12 to form an adhesive layer (not shown in the figure), and then the window cover 40 is fixed to the inner side of the cover body 12 through the adhesive layer. During assembly, the side of the perspective sticker 60 close to the recessed portion 124 has adhesive (not shown in the figure), and the perspective sticker 60 is attached to the recessed portion 124 of the cover body 12 through the adhesive. The window cover 40 is fixed to the cover body 12 by the locking member 70, and an adhesive layer is provided between the window cover 40 and the inner wall surface of the cavity 101.

[0063] Next, the light strip 30 is welded to the inverter main control board 20, and the inverter main control board 20 is fastened to the back of the cover 12 (i.e., the side of the cover 12 close to the cavity 101) with fasteners 50. After that, the cover 12 with the perspective surface sticker 60, the window cover 40 and the inverter main control board 20 installed is assembled on the bottom shell 11. At this time, the light strip 30 and the light guide structure 41 of the window cover 40 are located directly below the area of ​​the mesh opening 601. When the light strip 30 is powered on, it emits light and enters the light guide structure 41 of the window cover 40, and the visual effect of bright changes and color changes can be shown in the mesh opening 601 area on the perspective surface sticker 60. When the cover 12 and the bottom shell 11 are assembled, the light guide structure 41 of the window cover 40 and the light strip 30 form a set of breathing light solutions. The light strip 30 is powered by the inverter main control board 20 . The light emitted by the light strip 30 enters the light guide structure 41 and is refracted or reflected, which changes the parallel light into a vertical direction and emits the light from the mesh opening 601 of the perspective surface sticker 60 .

[0064] It can be seen that the photovoltaic inverter of this embodiment realizes the breathing light function by only using the light-guiding structure 41 on the window cover 40 and the light strip 30 on the inverter main control board 20, which saves costs and does not take up space. At the same time, it is easy to assemble and safe and reliable.

[0065] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0066] In addition, it should be noted that the use of words such as "first" and "second" to limit components is only to facilitate the distinction between corresponding components. If not otherwise stated, the above words have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0067] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A photovoltaic inverter, It is characterized in that include: A main body (10), wherein a cavity (101) is provided on the main body (10), and a viewing window (121) communicating with the cavity (101) is provided on a side wall of the cavity (101); An inverter main control board (20), the inverter main control board (20) being arranged in the cavity (101); A light strip (30), wherein the light strip (30) is arranged in the cavity (101) and is electrically connected to the inverter main control board (20), and light emitted by the light strip (30) is emitted to the external space of the main body (10) through the viewing window (121).

2. The photovoltaic inverter according to claim 1, It is characterized in that The photovoltaic inverter further comprises: A light guide structure (41), wherein the light guide structure (41) is arranged in the cavity (101) and opposite to the viewing window (121), the light strip (30) is arranged on the peripheral side of the light guide structure (41), and the light emitted by the light strip (30) is refracted or reflected by the light guide structure (41) and then emitted from the viewing window (121) to the external space of the main body (10).

3. The photovoltaic inverter according to claim 2, It is characterized in that The photovoltaic inverter further comprises: A window cover (40), the window cover (40) being arranged inside the cavity (101) and covering the viewing window (121), the window cover (40) being provided with the light guide structure (41), the light guide structure (41) being protruding on a side of the window cover (40) facing the inside of the cavity (101).

4. The photovoltaic inverter according to claim 3, It is characterized in that A groove (42) is provided on one side of the window cover (40) close to the window (121), and a limiting flange (122) is provided on the outer periphery of the window (121), and the limiting flange (122) is inserted into the groove (42).

5. The photovoltaic inverter according to claim 3, It is characterized in that The side surface of the light-guiding structure (41) close to the viewing window (121) and / or the side surface away from the viewing window (121) is a concave-convex surface (411).

6. The photovoltaic inverter according to claim 3, It is characterized in that The inverter main control board (20) and the side of the window cover (40) facing away from the viewing window (121) are connected to the main body (10) via a fastener (50), and the light strip (30) is mounted on the inverter main control board (20).

7. The photovoltaic inverter according to claim 6, It is characterized in that The inverter main control board (20) is provided with a display screen (21), and the main body (10) is provided with an opening (123) opposite to the display screen (21).

8. The photovoltaic inverter according to claim 7, It is characterized in that The opening (123) and the viewing window (121) are located on the same side of the main body (10); the outer wall surface of the main body (10) has a recessed portion (124); and the viewing window (121) and the opening (123) are both located at the bottom of the recessed portion (124); The photovoltaic inverter further comprises a perspective surface sticker (60), which is arranged in the recessed portion (124) and covers the viewing window (121) and the opening (123), and the surface of the perspective surface sticker (60) facing away from the viewing window (121) is flush with the outer surface of the main body (10).

9. The photovoltaic inverter according to any one of claims 3 to 8, It is characterized in that An adhesive layer is provided between the window cover (40) and the inner wall surface of the cavity (101); and / or, The window cover (40) is locked on the main body (10) via a locking piece (70).

10. The photovoltaic inverter according to any one of claims 1 to 8, It is characterized in that The main body (10) comprises a bottom shell (11) and a cover body (12); the bottom shell (11) is provided with the cavity (101); the cover body (12) is covered on the bottom shell (11) and seals the cavity (101); the viewing window (121) is provided on the cover body (12); and the inverter main control board (20) is fixedly connected to the cover body (12).

Images