Box body assembly for photovoltaic inverter

Abstract

The utility model provides a box body assembly used for a photovoltaic inverter, comprising a box body, a heat radiation assembly, a photovoltaic assembly, a placing assembly and an inverter, one side of the box body is provided with the heat radiation assembly, the photovoltaic assembly is arranged above the box body, the placing assembly is arranged in the box body, and the inverter is arranged on the placing assembly; according to the utility model, the box body assembly of the photovoltaic inverter is composed of the box body, the heat dissipation assembly, the photovoltaic assembly, the placing assembly and the inverter, the placing plate is arranged, the sliding blocks are arranged at the edges of the two sides of the supporting plate and are in sliding connection with the sliding grooves in the fixing columns, and locking is carried out through the fixing pieces; according to the inverter placement assembly, the distance between the placement plates can be adjusted according to the number and size of inverters, the sliding plates are arranged, and the two sides of the sliding plates are slidably connected with the sliding grooves in the box body through the sliding blocks, so that when the inverters are overhauled, the inverters do not need to be disassembled, and only the placement assembly needs to be integrally pulled out through the sliding plates.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic inverter equipment, in particular to a box assembly for a photovoltaic inverter. Background Art

[0002] Photovoltaic inverters are inverters that can convert the variable DC voltage generated by photovoltaic (PV) 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. Photovoltaic inverters are one of the important system balances (BOS) in photovoltaic array systems and can be used with general AC-powered equipment. Solar inverters have special functions for photovoltaic arrays, such as maximum power point tracking and islanding protection.

[0003] Most of the existing photovoltaic inverter box assemblies are installed separately under the solar panels during use. Although this can reduce the consumption of energy conversion, it requires staff to spend a lot of time to find each inverter during maintenance, which is time-consuming and labor-intensive. At the same time, the existing box assemblies are relatively simple in heat dissipation under high temperature environments, and the inverter heat is only dissipated through heat dissipation holes and low-power fans, resulting in poor heat dissipation effects. Therefore, the present application proposes a method to solve the problems of the prior art. Utility Model Content

[0004] In view of the above problems, the utility model proposes a box assembly for a photovoltaic inverter to solve the problems of difficult maintenance and poor heat dissipation in the prior art.

[0005] To achieve the purpose of the utility model, the utility model implements a box assembly for a photovoltaic inverter through the following technical solutions, including a box, a heat dissipation assembly, a photovoltaic assembly, a placement assembly and an inverter, wherein a heat dissipation assembly is arranged on one side of the box, the photovoltaic assembly is arranged above the box, the placement assembly is arranged inside the box, and the inverter is arranged on the placement assembly;

[0006] The placement assembly includes a slide plate, a bottom plate, a fixed column, a top plate and a placement plate, the slide plate is arranged at the bottom end of the box body, a slide groove is arranged inside the box body, sliders are arranged on both sides of the slide plate, and are slidably connected to the slide groove inside the box body through the sliders, a bottom plate is arranged above the slide plate, fixed columns are arranged at the four corners above the bottom plate, a placement plate is arranged on the inner side of the fixed columns, and a top plate is arranged on the top of the fixed columns.

[0007] A further improvement is that the placement plate includes a support plate, a slider, a fixing part and a bolt. A slider is provided at an edge position on both sides of the support plate, and the slider is slidably connected to the groove on the fixing column. A fixing part with a C-shaped structure is provided at the edge position on the other side of the support plate. An opening is provided on the fixing part, and a bolt is designed in the opening. The support plate is slidably connected to the fixing column through the slider and is locked by the bolt on the fixing part.

[0008] Further improvements are: the photovoltaic assembly includes a fixed plate, a support column, an internal gear, a first gear, a second motor, a second gear, a connecting rod and a photovoltaic panel, support columns are arranged at the four corners below the fixed plate, the support columns are arranged above the box body, an internal gear is arranged above the fixed plate, a first gear is arranged at the middle position inside the internal gear, the first gear is driven by the second motor, the second motor is arranged inside the fixed plate, the outer side of the first gear is meshed and connected with two groups of the second gears, one side of the second gear is meshed and connected with the first gear, and the other side of the second gear is meshed and connected with the internal gear, a connecting rod is arranged above the second gear, and a photovoltaic panel is arranged on the top of the connecting rod.

[0009] Further improvements are: the heat dissipation assembly includes a mounting shell, a fan, a first motor, a dustproof net, a cold air duct, an air supply slot and an air outlet; the mounting shell is arranged on one side of the box body; the mounting shell is provided with heat dissipation holes; a fan is arranged inside the mounting shell; the fan is driven by the first motor; a dustproof net is arranged on one side of the mounting shell; one end of the cold air duct is connected to the fan; the other end of the cold air duct is communicated with the air supply slot; the air supply slot is arranged below the placement plate; and an air outlet is arranged below the air supply slot.

[0010] A further improvement is that an opening is provided on one side of the box body, a cabinet door is hingedly connected to the opening, heat dissipation holes are provided on both sides of the box body, and an inverter is provided above the placement plate.

[0011] The beneficial effects of the utility model are:

[0012] 1. The box assembly for the photovoltaic inverter is a device for the box assembly of the photovoltaic inverter, which is composed of a box, a heat dissipation assembly, a photovoltaic assembly, a placement assembly and an inverter. A placement plate is provided, and sliders are provided at the edge positions of both sides of the support plate and are slidably connected to the slide grooves on the fixed columns and locked by fixing parts. The spacing between the placement plates can be adjusted according to the number and size of the inverters. A slide plate is provided, and both sides of the slide plate are slidably connected to the slide grooves in the box through the slides. In this way, when the inverter is repaired, there is no need to dismantle the inverter. The placement assembly can be pulled out as a whole through the slide plate, which is convenient for repairing the inverter.

[0013] 2. An internal gear is provided, and a second gear is meshedly connected inside the internal gear, and the second gear is meshedly connected to the first gear. When the second motor drives the first gear to rotate, the second gear is driven to rotate inside the internal gear, thereby realizing the rotation of the photovoltaic panel, so that the photovoltaic panel can always store electricity under the sun. A fan is provided, and the first motor drives the fan to rotate to provide cold air heat dissipation inside the box. At the same time, the cold air duct transports the cold air to each group of air supply slots to dissipate heat for the inverter. Because the air supply slots are provided under each group of placement plates, each group of inverters can be cooled separately, thereby improving the heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] Figure 2 It is a schematic diagram of the back structure of the utility model.

[0016] Figure 3 It is a schematic diagram of the structure of the telescopic expansion of the utility model.

[0017] Figure 4 It is a schematic diagram of the structure of the photovoltaic module of the utility model.

[0018] Figure 5 It is a structural schematic diagram of the placement components of the utility model.

[0019] Figure 6 It is a structural schematic diagram of the heat dissipation component of the utility model.

[0020] Figure 7 It is a structural schematic diagram of the placement plate of the utility model.

[0021] In the figure: 1. cabinet; 11. cabinet door; 2. heat dissipation component; 21. mounting shell; 22. fan; 23. first motor; 24. dust screen; 25. cold air duct; 26. air supply slot; 27. air outlet; 3. photovoltaic component; 31. fixing plate; 32. support column; 33. internal gear; 34. first gear; 35. second motor; 36. second gear; 37. connecting rod; 38. photovoltaic panel; 4. placement component; 41. slide plate; 42. bottom plate; 43. fixing column; 44. top plate; 45. placement plate; 451. support plate; 452. slider; 453. fixing piece; 454. bolt; 5. inverter. DETAILED DESCRIPTION

[0022] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0023] according to Figure 1-7As shown, this embodiment proposes a solution for implementation: a box assembly for a photovoltaic inverter, including a box 1, a heat dissipation assembly 2, a photovoltaic assembly 3, a placement assembly 4 and an inverter 5, wherein the heat dissipation assembly 2 is arranged on one side of the box 1, the photovoltaic assembly 3 is arranged above the box 1, the placement assembly 4 is arranged inside the box 1, and the inverter 5 is arranged on the placement assembly 4.

[0024] The placement assembly 4 includes a slide plate 41, a bottom plate 42, a fixing column 43, a top plate 44 and a placement plate 45. The slide plate 41 is arranged at the bottom end of the box body 1. A slide groove is arranged inside the box body 1. Slide blocks are arranged on both sides of the slide plate 41 and are slidably connected with the slide groove inside the box body 1 through the slide blocks. A bottom plate 42 is arranged above the slide plate 41. Fixing columns 43 are arranged at the four corners above the bottom plate 42. A placement plate 45 is arranged on the inner side of the fixing columns 43. A top plate 44 is arranged on the top of the fixing columns 43.

[0025] The placement plate 45 includes a support plate 451, a slider 452, a fixing piece 453 and a bolt 454. A slider 452 is provided at an edge position on both sides of the support plate 451. The slider 452 is slidably connected to the groove on the fixing column 43. A fixing piece 453 with a C-shaped structure is provided at the edge position on the other side of the support plate 451. An opening is provided on the fixing piece 453. The bolt 454 is designed in the opening. The support plate 451 is slidably connected to the fixing column 43 through the slider 452 and is locked by the bolt 454 on the fixing piece 453.

[0026] In this embodiment, a placement plate 45 is provided, sliders 452 are provided at the edge positions of both sides of the support plate 451 and are slidably connected to the sliding grooves on the fixed column and locked by the fixing parts 453. The spacing between the placement plates 45 can be adjusted according to the number and size of the inverters. A slide plate 41 is provided, and both sides of the slide plate 41 are slidably connected to the sliding grooves in the box body 1 through sliders. In this way, when the inverter 5 is overhauled, there is no need to dismantle the inverter. The placement component 4 can be pulled out as a whole through the slide plate 41, which is convenient for overhauling the inverter 5.

[0027] The photovoltaic assembly 3 includes a fixed plate 31, a support column 32, an internal gear 33, a first gear 34, a second motor 35, a second gear 36, a connecting rod 37 and a photovoltaic panel 38. The support columns 32 are arranged at the four corners below the fixed plate 31, and the support columns 32 are arranged above the box body 1. The internal gear 33 is arranged above the fixed plate 31, and the first gear 34 is arranged at the middle position inside the internal gear 33. The first gear 34 is driven by the second motor 35, and the second motor 35 is arranged inside the fixed plate 31. The outer side of the first gear 34 is meshed and connected with two groups of the second gears 36, one side of the second gear 36 is meshed and connected with the first gear 34, and the other side of the second gear is meshed and connected with the internal gear 33. A connecting rod 37 is arranged above the second gear 36, and a photovoltaic panel 38 is arranged on the top of the connecting rod 37;

[0028] In this embodiment, an internal gear 33 is provided, and a second gear 36 is meshedly connected inside the internal gear 33. The second gear 36 is meshedly connected to the first gear 34. When the second motor 35 drives the first gear 34 to rotate, the second gear 36 is driven to rotate inside the internal gear 33, thereby realizing the rotation of the photovoltaic panel 38, so that the photovoltaic panel can always store electricity under the sunlight.

[0029] The heat dissipation assembly 2 includes a mounting shell 21, a fan 22, a first motor 23, a dustproof net 24, a cold air duct 25, an air supply slot 26 and an air outlet 27. The mounting shell 21 is arranged on one side of the box body 1, and is provided with heat dissipation holes. A fan 22 is arranged inside the mounting shell 21, and the fan 22 is driven by the first motor 23. A dustproof net 24 is arranged on one side of the mounting shell 21. One end of the cold air duct 25 is connected to the fan 22, and the other end of the cold air duct 25 is communicated with the air supply slot 26. The air supply slot 26 is arranged below the placement plate 45, and an air outlet 27 is arranged below the air supply slot 26.

[0030] In this embodiment, a fan 22 is provided, and the first motor 23 drives the fan 22 to rotate, providing cold air heat dissipation for the interior of the box 1. At the same time, the cold air duct 25 transports the cold air to each group of air supply slots 26 to dissipate heat for the inverter 5. Because the air supply slots 26 are provided under each group of placement plates 45, each group of inverters 5 can be cooled separately, thereby improving the heat dissipation effect.

[0031] An opening is provided on one side of the box body 1 , and a cabinet door 11 is hingedly connected to the opening. Heat dissipation holes are provided on both sides of the box body 1 , and an inverter 5 is provided above the placement plate 45 .

[0032] When the user needs to use it, the spacing between each group of placement plates 45 and the fixing columns 43 is adjusted according to the number and size of the inverters 5. After the inverters 5 are placed, the first motor 23 drives the fan 22 to rotate to provide cold air heat dissipation for the inside of the box body 1. At the same time, the cold air duct 25 transports the cold air to each group of air supply slots 26 to dissipate the heat of the inverters 5. Because the air supply slots 26 are provided under each group of placement plates 45, each group of inverters 5 can be cooled separately to improve the heat dissipation effect. At the same time, the photovoltaic component is connected to the heat dissipation component through an external circuit. The internal meshing of the inner gear 33 is connected to the second gear 36. The second gear 3 6 is meshed and connected with the first gear 34. When the second motor 35 drives the first gear 34 to rotate, it drives the second gear 36 to rotate inside the inner gear 33, so as to realize the rotation of the photovoltaic panel 38, so that the photovoltaic panel can always store electricity under the sun. In this way, there is no need to use the electricity converted by the inverter inside the box, and the power consumption of heat dissipation is reduced. When repairing the inverter, a slide plate 41 is provided, and both sides of the slide plate 41 are slidably connected with the slide groove in the box body 1 through the slider. In this way, when the inverter 5 is repaired, there is no need to dismantle the inverter. The placement component 4 can be pulled out as a whole through the slide plate 41, which is convenient for repairing the inverter 5.

[0033] The box assembly for the photovoltaic inverter is a device for the box assembly of the photovoltaic inverter, which is composed of a box 1, a heat dissipation assembly 2, a photovoltaic assembly 3, a placement assembly 4 and an inverter 5. A placement plate 45 is provided, and sliders 452 are provided at the edge positions of both sides of the support plate 451 and are slidably connected to the slide groove on the fixed column and locked by a fixing member 453. The spacing between the placement plates 45 can be adjusted according to the number and size of the inverters. A slide plate 41 is provided, and both sides of the slide plate 41 are slidably connected to the slide groove in the box 1 through the sliders. In this way, when the inverter 5 is repaired, there is no need to dismantle the inverter. The placement assembly 4 can be pulled out as a whole through the slide plate 41, which is convenient for repairing the inverter 5.

[0034] By providing an internal gear 33, the internal meshing connection of the internal gear 33 is connected with the second gear 36, and the second gear 36 is meshingly connected with the first gear 34. When the second motor 35 drives the first gear 34 to rotate, the second gear 36 is driven to rotate inside the internal gear 33, so as to realize the rotation of the photovoltaic panel 38, so that the photovoltaic panel can always store electricity under the sun's irradiation;

[0035] By providing a fan 22, the first motor 23 drives the fan 22 to rotate, providing cold air heat dissipation for the inside of the box 1. At the same time, the cold air duct 25 transports the cold air to each group of air supply slots 26 to dissipate heat for the inverter 5. Because the air supply slots 26 are provided under each group of placement plates 45, each group of inverters 5 can be cooled separately, thereby improving the heat dissipation effect.

[0036] The above shows and describes the basic principles, main features and 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 principles 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 box assembly for a photovoltaic inverter, characterized in that: The invention comprises a box (1), a heat dissipation component (2), a photovoltaic component (3), a placement component (4) and an inverter (5), wherein the heat dissipation component (2) is arranged on one side of the box (1), the photovoltaic component (3) is arranged above the box (1), the placement component (4) is arranged inside the box (1), and the inverter (5) is arranged on the placement component (4); The placement component (4) comprises a slide plate (41), a bottom plate (42), a fixing column (43), a top plate (44) and a placement plate (45); the slide plate (41) is arranged at the bottom end of the box body (1); a slide groove is arranged inside the box body (1); sliders are arranged on both sides of the slide plate (41) and are slidably connected to the slide groove inside the box body (1) through the sliders; a bottom plate (42) is arranged above the slide plate (41); fixing columns (43) are arranged at the four corners above the bottom plate (42); a placement plate (45) is arranged on the inner side of the fixing columns (43); and a top plate (44) is arranged at the top of the fixing columns (43).

2. A box assembly for a photovoltaic inverter according to claim 1, characterized in that: The placement plate (45) comprises a support plate (451), a slider (452), a fixing member (453) and a bolt (454). A slider (452) is provided at an edge position on both sides of the support plate (451). The slider (452) is slidably connected to a groove on the fixing column (43). A fixing member (453) having a C-shaped structure is provided at the edge position on the other side of the support plate (451). An opening is provided on the fixing member (453), and a bolt (454) is arranged in the opening. The support plate (451) is slidably connected to the fixing column (43) through the slider (452) and is locked through the bolt (454) on the fixing member (453).

3. The box assembly for a photovoltaic inverter according to claim 1, characterized in that: The photovoltaic assembly (3) comprises a fixing plate (31), a support column (32), an internal gear (33), a first gear (34), a second motor (35), a second gear (36), a connecting rod (37) and a photovoltaic panel (38), wherein the support columns (32) are arranged at the four corners below the fixing plate (31), the support columns (32) are arranged above the box body (1), the internal gear (33) is arranged above the fixing plate (31), and the first gear (34) is arranged at the middle position inside the internal gear (33). The first gear (34) is driven by a second motor (35), the second motor (35) is arranged inside the fixing plate (31), the outer side of the first gear (34) is meshedly connected with two groups of the second gears (36), one side of the second gear (36) is meshedly connected with the first gear (34), and the other side of the second gear is meshedly connected with the internal gear (33), a connecting rod (37) is arranged above the second gear (36), and a photovoltaic panel (38) is arranged at the top of the connecting rod (37).

4. The box assembly for a photovoltaic inverter according to claim 1, characterized in that: The heat dissipation component (2) comprises a mounting shell (21), a fan (22), a first motor (23), a dustproof net (24), a cold air pipe (25), an air supply slot (26) and an air outlet (27); the mounting shell (21) is arranged on one side of the box body (1); the mounting shell (21) is provided with heat dissipation holes; a fan (22) is arranged inside the mounting shell (21); the fan (22) is driven by the first motor (23); a dustproof net (24) is arranged on one side of the mounting shell (21); one end of the cold air pipe (25) is connected to the fan (22); the other end of the cold air pipe (25) is communicated with the air supply slot (26); the air supply slot (26) is arranged below the placement plate (45); and an air outlet (27) is arranged below the air supply slot (26).

5. The box assembly for a photovoltaic inverter according to claim 1, characterized in that: An opening is provided on one side of the box body (1), a cabinet door (11) is hingedly connected to the opening, heat dissipation holes are provided on both sides of the box body (1), and an inverter (5) is provided above the placement plate (45).

Images