Photovoltaic grid-connected inverter

Abstract

The utility model discloses a photovoltaic grid-connected inverter, and relates to the technical field of photovoltaic inverters, the photovoltaic grid-connected inverter comprises a support plate main body, the top of the support plate main body is provided with a control assembly, the control assembly comprises an inverter housing, a fixed top plate and a welding frame plate, the inverter housing is fixedly installed on the top of the support plate main body, and the fixed top plate is fixedly installed on the support plate main body. A mounting assembly is arranged on one side of the inverter shell, the mounting assembly comprises a welding plate, a mounting thread groove, a fixing plate and a fixing groove, and the welding plate is fixedly mounted on one side of the inverter shell. According to the utility model, a worker performs connection by rotating the connecting threaded pipe and the mounting threaded groove, so that the convenience of circuit connection is improved, the mounting threaded groove can realize firmer connection, the connecting threaded pipe is not easy to fall off, the structure is simple, the operation is convenient, and the fixing groove is formed in the surface of the fixing plate. And the fixing grooves can clamp and fix the connecting wires, so that the problem of mutual winding caused by excessive connecting wires is effectively prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic inverters, in particular to a photovoltaic grid-connected inverter. Background Art

[0002] An inverter is a converter that converts direct current power into constant frequency and voltage or frequency and voltage regulated alternating current. In the field of photovoltaic technology, a photovoltaic inverter can convert direct current generated by crystalline silicon photovoltaic modules based on the photo-Ford effect into alternating current, and can be incorporated into the commercial power transmission system through voltage boosting. The reliability and safety of photovoltaic inverters are directly related to the overall smooth operation of the solar power generation system. Its conversion efficiency directly affects the power generation efficiency of the solar photovoltaic power generation system. Its service life is directly related to the service life of the photovoltaic power generation system, and ultimately affects the investment return rate of the photovoltaic power station project. A photovoltaic inverter is an electrical device used in a photovoltaic power generation system. It is responsible for converting the direct current generated by the photovoltaic module into alternating current through an inverter unit and transmitting it to the power grid, and completing the tracking of the maximum power point. This application provides a photovoltaic grid-connected inverter in order to improve the convenience of using the inverter in the photovoltaic system. The following problems exist in the prior art:

[0003] 1. The existing photovoltaic grid-connected inverter has inconvenient inverter line connection, and the connection is prone to loosening, which is not convenient for promotion and use. Utility Model Content

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A photovoltaic grid-connected inverter comprises a support plate body, a control assembly is arranged on the top of the support plate body, the control assembly comprises an inverter housing, a fixed top plate and a welding frame plate, the inverter housing is fixedly mounted on the top of the support plate body, a mounting assembly is arranged on one side of the inverter housing, the mounting assembly comprises a welding plate, a mounting threaded groove, a fixing plate and a fixing groove, the welding plate is fixedly mounted on one side of the inverter housing, a connecting assembly is arranged on one side of the mounting assembly, the connecting assembly comprises a protective tube and a connecting threaded tube.

[0006] A further improvement of the technical solution of the utility model is that the connecting threaded tube is fixedly installed on the front side of the protection tube, and a circuit plug is fixedly installed inside the connecting threaded tube.

[0007] A further improvement of the technical solution of the utility model is that a connecting tube is fixedly installed on the back of the protection tube, one end of the connecting tube is fixedly connected to a connecting wire, and a rubber tube is fixedly installed on the outside of the connecting wire.

[0008] A further improvement of the technical solution of the utility model is that: a mounting groove is arranged on the front side of the welding plate, the mounting thread groove is arranged on the front side of the mounting groove, the fixing plate is fixedly installed on the front side of the welding plate, and the fixing groove is arranged on the front side of the fixing plate.

[0009] A further improvement of the technical solution of the utility model is that a fixing bolt is threadedly installed on the front surface of the welding plate, and a circuit board is fixedly installed inside the mounting thread groove.

[0010] A further improvement of the technical solution of the utility model is that: the fixed top plate is fixedly installed on the top of the inverter housing, and the welding frame plate is fixedly installed on the top of the fixed top plate.

[0011] A further improvement of the technical solution of the utility model is that a reinforcing rubber plate is fixedly installed on the back of the welding frame plate, a bolt through hole is arranged on the front of the welding frame plate, and a display screen is arranged on the front of the inverter housing.

[0012] A further improvement of the technical solution of the utility model is that a control panel is arranged on the front of the inverter housing, and control buttons are fixedly installed on the front of the control panel.

[0013] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0014] 1. The utility model provides a photovoltaic grid-connected inverter. Through the joint action of the installation thread groove and the , the staff connects the threaded pipe with the installation thread groove by rotating, which improves the convenience of line connection. The installation thread groove can be connected more firmly, so that the connecting threaded pipe will not fall off easily. The structure is simple and the operation is convenient, which is convenient for wide promotion and use.

[0015] 2. The utility model provides a photovoltaic grid-connected inverter. Through the joint action of a fixing plate and a fixing groove, the fixing groove is opened on the surface of the fixing plate. The fixing groove can clamp and fix the connecting wire, effectively preventing the problem of too many connecting wires being entangled with each other.

[0016] 3. The utility model provides a photovoltaic grid-connected inverter. Through the joint action of a fixed top plate and a welding plate, the fixed top plate can well protect the inverter housing, and the fixed top plate can prevent rainwater from entering the inverter housing, so that the inverter cannot be used normally, and the welding frame plate is convenient for the staff to install and fix. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the photovoltaic grid-connected inverter of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the control component of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the installation assembly of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the connection component of the utility model.

[0021] In the figure: 1. Support plate body; 2. Control assembly; 3. Mounting assembly; 4. Connection assembly; 21. Inverter housing; 22. Fixed top plate; 23. Welding frame plate; 24. Reinforced rubber plate; 25. Bolt through hole; 26. Display screen; 27. Control panel; 28. Control button; 31. Welding plate; 32. Fixing bolt; 33. Mounting groove; 34. Mounting threaded groove; 35. Circuit board; 36. Fixing plate; 37. Fixing groove; 41. Protective tube; 42. Connecting threaded tube; 43. Circuit plug; 44. Connecting tube; 45. Connecting wire; 46. Rubber tube. DETAILED DESCRIPTION

[0022] The present invention is further described in detail below in conjunction with the embodiments:

[0023] like Figure 1-4As shown, the utility model provides a photovoltaic grid-connected inverter, including a support plate body 1. A control component 2 is arranged on the top of the support plate body 1. The control component 2 includes an inverter housing 21, a fixed top plate 22 and a welding frame plate 23. The inverter housing 21 is fixedly installed on the top of the support plate body 1. The fixed top plate 22 is fixedly installed on the top of the inverter housing 21. The fixed top plate 22 can well protect the inverter housing 21. The fixed top plate 22 can prevent rainwater from entering the interior of the inverter housing 21, so that the inverter cannot be used normally. The fixed top plate 22 can well protect the inverter housing 21. The fixed top plate 22 can prevent rainwater from entering the interior of the inverter housing 21, so that the inverter cannot be used normally. The welding frame plate 23 is fixedly installed on the top of the fixed top plate 22. The welding frame plate 23 is convenient for the staff to install and fix. The back of the welding frame plate 23 is fixedly installed with a reinforcing rubber plate 24. The welding frame plate 2 3 is provided with a bolt through hole 25 on the front side, a display screen 26 is provided on the front side of the inverter housing 21, a control panel 27 is provided on the front side of the inverter housing 21, a control button 28 is fixedly installed on the front side of the control panel 27, a mounting assembly 3 is provided on one side of the inverter housing 21, the mounting assembly 3 includes a welding plate 31, a mounting thread groove 34, a fixing plate 36 and a fixing groove 37, the welding plate 31 is fixedly installed on one side of the inverter housing 21, a mounting groove 33 is provided on the front side of the welding plate 31, the mounting thread groove 34 is arranged on the front side of the mounting groove 33, the fixing plate 36 is fixedly installed on the front side of the welding plate 31, the fixing groove 37 is arranged on the front side of the fixing plate 36, the fixing groove 37 can clamp and fix the connecting wire 45, effectively preventing the problem of too many connecting wires 45 being entangled with each other, a fixing bolt 32 is threadedly installed on the front side of the welding plate 31, and a circuit board 35 is fixedly installed inside the mounting thread groove 34;

[0024] A connecting component 4 is provided on one side of the installation component 3. The connecting component 4 includes a protective tube 41 and a connecting threaded tube 42. The connecting threaded tube 42 is fixedly installed on the front side of the protective tube 41. The staff connects the connecting threaded tube 42 with the installing threaded groove 34 by rotating it, which improves the convenience of line connection. The installing threaded groove 34 can be connected more firmly, so that the connecting threaded tube 42 will not fall off easily. The structure is simple and the operation is convenient, which is convenient for wide promotion and use. A circuit plug 43 is fixedly installed inside the connecting threaded tube 42, and a connecting tube 44 is fixedly installed on the back of the protective tube 41. One end of the connecting tube 44 is fixedly connected to a connecting wire 45. A fixing groove 37 is provided on the surface of the fixing plate 36. The fixing groove 37 can clamp and fix the connecting wire 45, effectively preventing the problem of too many connecting wires 45 being entangled with each other. A rubber tube 46 is fixedly installed outside the connecting wire 45.

[0025] The following is a detailed description of the working principle of the photovoltaic grid-connected inverter.

[0026] like Figure 1-4As shown, a circuit board 35 is fixedly installed inside the mounting thread groove 34, and a connecting threaded tube 42 is fixedly installed on the front side of the protective tube 41. The staff connects the connecting threaded tube 42 to the mounting thread groove 34 by rotating the connecting threaded tube 42, which improves the convenience of line connection. The mounting thread groove 34 can be connected more firmly, so that the connecting threaded tube 42 will not fall off easily. The structure is simple and the operation is convenient, which is convenient for wide promotion and use. The fixing plate 36 is fixedly installed on the front side of the welding plate 31, and the fixing groove 37 is arranged on the front side of the fixing plate 36. The fixing groove 37 is opened on the surface of the fixing plate 36. The fixing groove 37 can clamp and fix the connecting wire 45, effectively preventing the problem of too many connecting wires 45 being entangled with each other. The fixed top plate 22 is fixedly installed on the top of the inverter housing 21, and the welding frame plate 23 is fixedly installed on the top of the fixed top plate 22. The fixed top plate 22 can well protect the inverter housing 21, and the fixed top plate 22 can prevent rainwater from entering the inside of the inverter housing 21, so that the inverter cannot be used normally. The welding frame plate 23 is convenient for the staff to install and fix.

[0027] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A photovoltaic grid-connected inverter, comprising a support plate body (1), characterized in that: A control component (2) is arranged on the top of the support plate body (1), and the control component (2) comprises an inverter housing (21), a fixed top plate (22) and a welding frame plate (23). The inverter housing (21) is fixedly mounted on the top of the support plate body (1). A mounting component (3) is arranged on one side of the inverter housing (21), and the mounting component (3) comprises a welding plate (31), a mounting threaded groove (34), a fixing plate (36) and a fixing groove (37). The welding plate (31) is fixedly mounted on one side of the inverter housing (21). A connecting component (4) is arranged on one side of the mounting component (3), and the connecting component (4) comprises a protective tube (41) and a connecting threaded tube (42).

2. A photovoltaic grid-connected inverter according to claim 1, characterized in that: The connecting threaded tube (42) is fixedly mounted on the front side of the protection tube (41), and a circuit plug (43) is fixedly mounted inside the connecting threaded tube (42).

3. A photovoltaic grid-connected inverter according to claim 1, characterized in that: A connecting tube (44) is fixedly mounted on the back of the protection tube (41), one end of the connecting tube (44) is fixedly connected to a connecting wire (45), and a rubber tube (46) is fixedly mounted on the outside of the connecting wire (45).

4. A photovoltaic grid-connected inverter according to claim 1, characterized in that: The front side of the welding plate (31) is provided with a mounting groove (33), the mounting thread groove (34) is provided on the front side of the mounting groove (33), the fixing plate (36) is fixedly mounted on the front side of the welding plate (31), and the fixing groove (37) is provided on the front side of the fixing plate (36).

5. The photovoltaic grid-connected inverter according to claim 1, characterized in that: A fixing bolt (32) is threadedly mounted on the front surface of the welding plate (31), and a circuit board (35) is fixedly mounted inside the mounting thread groove (34).

6. A photovoltaic grid-connected inverter according to claim 1, characterized in that: The fixed top plate (22) is fixedly mounted on the top of the inverter housing (21), and the welding frame plate (23) is fixedly mounted on the top of the fixed top plate (22).

7. A photovoltaic grid-connected inverter according to claim 6, characterized in that: A reinforcing rubber plate (24) is fixedly mounted on the back of the welding frame plate (23), a bolt through hole (25) is arranged on the front of the welding frame plate (23), and a display screen (26) is arranged on the front of the inverter housing (21).

8. The photovoltaic grid-connected inverter according to claim 1, characterized in that: A control panel (27) is arranged on the front of the inverter housing (21), and a control button (28) is fixedly mounted on the front of the control panel (27).

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