Off-grid inverter

Abstract

The utility model discloses an off-grid inverter, which comprises a shell, a first mounting plate is welded at the top end of the shell, a second mounting plate is welded at the bottom end of the shell, a plurality of air outlets are uniformly formed in the upper half part of the side wall of the shell, and a plurality of air inlets are uniformly formed in the lower half part of the side wall of the shell. Filter screens are fixedly mounted on the air outlet and the air inlet, rotary sliding grooves are symmetrically formed in the opposite sides of the first mounting plate and the second mounting plate, a plurality of rotary sliding blocks are uniformly clamped and embedded in the rotary sliding grooves, one end of each rotary sliding block is fixedly connected with a baffle plate, and a connecting arc-shaped plate is welded between every two adjacent baffle plates. The dust removal device has the advantages that dust and impurities attached to the filter screen can be cleaned and maintained through the dust removal brush, the inner cavity of the shell does not need to be opened in the cleaning process, the filter screen does not need to be disassembled and reinstalled, operation is easy and convenient, time and labor are saved, the ventilation and heat dissipation effects in the shell are guaranteed, and practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of off-grid inverters, and in particular to an off-grid inverter. Background Art

[0002] In off-grid wind power systems or wind power equipment, in order to realize the storage and utilization of electric energy, it is necessary to convert the form of electric energy through an off-grid inverter. The core components of the inverter include inductors, capacitors, switches and control circuits, etc., which are packaged in a casing. With the large-scale development of wind power, the use of off-grid inverters is becoming more and more widespread.

[0003] The prior art discloses an intelligent off-grid energy storage inverter with announcement number: CN220985544U, which is provided with a through hole and an air outlet, and can realize the function of dissipating heat for the component assembly installed in the shell, and a filter cartridge is installed at the through hole to filter the dust and impurities contained in the incoming air. However, with the passage of time, impurities and dust accumulate on the filter cartridge, which is easy to cause blockage, thereby affecting the normal heat dissipation of the device. Since the filter cartridge is installed in the inner cavity of the shell, it is necessary not only to open the door panel installed at the opening for cleaning, but also to disassemble and reinstall the filter cartridge. The operation is relatively cumbersome, time-consuming and labor-intensive. In view of the disadvantage that it is inconvenient to clean and maintain, technical personnel in this field have proposed an off-grid inverter. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides an off-grid inverter, which allows users to clean and maintain dust and impurities blocked in the filter screen outside the shell. The operation is simple and convenient, saving time and effort, ensuring the ventilation and heat dissipation effect inside the shell, and having the advantages of greater practicality, thereby solving the problems in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned convenience for users to clean and maintain the dust and impurities blocked in the filter outside the shell, the operation is simple and convenient, time-saving and labor-saving, the ventilation and heat dissipation effect inside the shell is guaranteed, and the utility model has the advantages of stronger practicality. The specific technical scheme adopted by the utility model is as follows: an off-grid inverter, including a shell, a first mounting plate is welded on the top of the shell, and a second mounting plate is welded on the bottom of the shell, a plurality of connecting blocks are welded on the inner wall of the shell, and a mounting seat is fixedly installed on one end of the connecting block, and a component assembly is fixedly installed on the mounting seat, a plurality of air outlets are evenly opened on the upper half of the side wall of the shell, a plurality of air inlets are evenly opened on the lower half of the side wall of the shell, and filters are fixedly installed on the air outlets and the air inlets, the first mounting plate and the second mounting plate are symmetrically opened on opposite sides, and a plurality of rotating sliders are evenly embedded and installed in the rotating slide, and a shielding plate is fixedly connected to one end of the rotating slider, a connecting arc plate is welded between adjacent shielding plates, and a dust cleaning brush is fixedly installed on the inner side of the connecting arc plate.

[0008] Furthermore, a mounting block is fixedly installed in the center of the top surface of the first mounting plate, and a first guide column plate is fixedly installed on the bottom surface of the mounting block, an adjustment slot is opened on the top surface of the first mounting plate, and an adjustment slip ring is embedded in the adjustment slot, and an adjustment block is fixedly installed on the top surface of the adjustment slip ring, a second guide column plate is fixedly installed on one side of the adjustment block, and the second guide column plate is electrically connected to the first guide column plate through electric wires.

[0009] Furthermore, a plurality of first connecting columns are evenly welded on the edge of the top surface of the first mounting plate, and a first flange is welded on one end of the first connecting column; a plurality of second connecting columns are evenly welded on the edge of the bottom surface of the second mounting plate, and a second flange is welded on one end of the second connecting column.

[0010] Furthermore, an inspection door is installed on the side wall of the shell via a hinge connection.

[0011] Furthermore, the central axes of the first flange, the second flange, the first mounting plate, the second mounting plate and the shell are on the same straight line.

[0012] Furthermore, the cross-sectional shape of the rotating slide groove and the rotating slider is T-shaped.

[0013] Furthermore, the central axes of the mounting block, the adjusting block, the adjusting slide groove and the adjusting slip ring are on the same straight line.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides an off-grid inverter with the following beneficial effects:

[0016] (1) The utility model is provided with a shell, an air inlet, an air outlet, a baffle plate and a dust cleaning brush. A first mounting plate is welded to the top of the shell, and a plurality of first connecting columns are evenly welded to the edge of the top surface of the first mounting plate, and a first flange is welded to one end of the first connecting column. A second mounting plate is welded to the bottom of the shell, and a plurality of second connecting columns are evenly welded to the edge of the bottom surface of the second mounting plate, and a second flange is welded to one end of the second connecting column. The user can fix the shell to the tower column or the ground through the first flange or the second flange, which is equivalent to setting the entire inverter as a part of the tower column, thereby reducing its The extra space occupied during installation, the inner wall of the shell is welded with several connecting blocks, and a mounting seat is fixedly installed at one end of the connecting block, and a component assembly is fixedly installed on the mounting seat, which is a core component of an off-grid inverter. Like the prior art, it includes an inductor component, a capacitor component and a switch tube, and also includes a control circuit, that is, an integrated circuit board and a wiring harness, etc. All of the above components are installed on the circuit board, and are collectively referred to as a component assembly below, which is used to realize the normal operation of an off-grid inverter. The upper half of the side wall of the shell is evenly provided with several air outlets, and the lower half of the side wall of the shell is evenly provided with several The air inlet is an air inlet, and the air outlet and the air inlet are fixedly installed with a filter screen. The air outlet and the air inlet can be used to increase the air circulation rate in the shell, accelerate the exchange of hot and cold air, and thus improve the heat dissipation efficiency of the component assembly when it is working. The set filter screen can intercept and filter the dust and impurities contained in the incoming air, and extend the service life of the component assembly. On the other hand, the first mounting plate and the second mounting plate are symmetrically provided with rotating grooves on the opposite sides, and a number of rotating sliders are evenly embedded in the rotating grooves, and a shielding plate is fixedly connected to one end of the rotating slider, and a connecting arc plate is welded between adjacent shielding plates, and a connecting arc plate is fixedly installed on the inner side of the connecting arc plate. It is equipped with a cleaning brush. When in use, the baffle is rotated to align with the air inlet and outlet to intercept external rainwater and prevent rainwater from entering the inner cavity of the shell through the air inlet and outlet. When the filter is clogged with a lot of dust and impurities, the user only needs to push the baffle to drive the connecting arc plate and the cleaning brush to rotate, and then use the cleaning brush to clean and maintain the dust and impurities attached to the filter. After cleaning, the baffle can be reset. During this process, there is no need to open the inner cavity of the shell, nor to disassemble and reinstall the filter. The operation is simple and convenient, saving time and effort, ensuring the ventilation and heat dissipation effect inside the shell, and is more practical.

[0017] (2) The utility model is provided with a mounting block and an adjusting block. The mounting block is fixedly installed at the center of the top surface of the first mounting plate, and the first guide column plate is fixedly installed on the bottom surface of the mounting block. During installation, the user can open the inspection door and then connect the component assembly line with the first guide column plate. The top surface of the first mounting plate is provided with an adjusting slot, and an adjusting slip ring is embedded in the adjusting slot, and the adjusting block is fixedly installed on the top surface of the adjusting slip ring. A second guide column plate is fixedly installed on one side of the adjusting block, and the second guide column plate is electrically connected to the first guide column plate through an electric wire. The second guide column plate can be connected to an external line. Since the adjusting block can drive the second guide column plate to rotate along the adjusting slot, the user can adjust the direction of the second guide column plate according to the installation needs, so that the user can connect the component assembly line. The installation and use are more flexible, more applicable, and more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of an off-grid inverter according to an embodiment of the utility model;

[0020] Figure 2 is a cross-sectional view of an off-grid inverter according to an embodiment of the utility model;

[0021] Figure 3 According to the embodiment of the utility model Figure 2 A magnified image of point A;

[0022] Figure 4 According to the embodiment of the utility model Figure 2 The enlarged view of point B;

[0023] Figure 5 It is a stereoscopic diagram of a regulating block of an off-grid inverter according to an embodiment of the utility model.

[0024] In the figure:

[0025] 1. First flange; 2. First mounting plate; 3. Shielding plate; 4. Shell; 5. Second mounting plate; 6. Second flange; 7. First connecting column; 8. Connecting arc plate; 9. Inspection door; 10. Cleaning brush; 11. Second connecting column; 12. Connecting block; 13. Mounting seat; 14. Component assembly; 15. Air inlet; 16. Air outlet; 17. Mounting block; 18. First guide column plate; 19. Adjustment block; 20. Filter; 21. Rotating slide; 22. Rotating slider; 23. Second guide column plate; 24. Adjustment slide; 25. Adjustment slip ring. DETAILED DESCRIPTION

[0026] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0027] According to an embodiment of the utility model, an off-grid inverter is provided.

[0028] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-5As shown, an off-grid inverter according to an embodiment of the utility model includes a shell 4, a first mounting plate 2 is welded to the top of the shell 4, and a second mounting plate 5 is welded to the bottom of the shell 4, a plurality of connecting blocks 12 are welded to the inner wall of the shell 4, and a mounting seat 13 is fixedly mounted at one end of the connecting block 12, and a component assembly 14 is fixedly mounted on the mounting seat 13, a plurality of air outlets 16 are evenly opened on the upper half of the side wall of the shell 4, a plurality of air inlets 15 are evenly opened on the lower half of the side wall of the shell 4, and a filter screen 20 is fixedly mounted on the air outlet 16 and the air inlet 15, and a rotating slide groove 21 is symmetrically opened on the opposite side of the first mounting plate 2 and the second mounting plate 5, and a plurality of rotating sliders 22 are evenly embedded and installed in the rotating slide groove 21, and a shielding plate 3 is fixedly connected to one end of the rotating slider 22, and adjacent shielding plates 3 are fixedly mounted on the rotating slider 22. A connecting arc plate 8 is welded between the plates 3, and a cleaning brush 10 is fixedly installed on the inner side of the connecting arc plate 8. When in use, the shielding plate 3 is rotated to be aligned with the air inlet 15 and the air outlet 16, so as to intercept external rainwater and prevent rainwater from entering the inner cavity of the shell 4 through the air inlet 15 and the air outlet 16. When the filter 20 is clogged with a lot of dust and impurities, the user only needs to push the shielding plate 3 to drive the connecting arc plate 8 and the cleaning brush 10 to rotate, and the cleaning brush 10 can be used to clean and maintain the dust and impurities attached to the filter 20. After cleaning, the shielding plate 3 can be reset. During this process, there is no need to open the inner cavity of the shell 4, nor is there any need to disassemble and reinstall the filter 20. The operation is simple and convenient, saving time and effort, ensuring the ventilation and heat dissipation effect inside the shell 4, and being more practical.

[0029] In one embodiment, a mounting block 17 is fixedly installed in the center of the top surface of the first mounting plate 2, and a first guide column plate 18 is fixedly installed on the bottom surface of the mounting block 17, an adjusting slot 24 is opened on the top surface of the first mounting plate 2, and an adjusting slip ring 25 is embedded in the adjusting slot 24, and an adjusting block 19 is fixedly installed on the top surface of the adjusting slip ring 25, a second guide column plate 23 is fixedly installed on one side of the adjusting block 19, and the second guide column plate 23 is electrically connected to the first guide column plate 18 through electric wires, so that the user can adjust the direction of the second guide column plate 23 according to installation needs, so that the user can make line connections to the component assembly 14, and the installation and use are more flexible, more applicable, and more practical.

[0030] In one embodiment, a plurality of first connecting columns 7 are evenly welded on the edge of the top surface of the first mounting plate 2, and a first flange 1 is welded on one end of the first connecting column 7, and a plurality of second connecting columns 11 are evenly welded on the edge of the bottom surface of the second mounting plate 5, and a second flange 6 is welded on one end of the second connecting column 11, so that the shell 4 can be fixedly connected to the tower column or the ground through the first flange 1 or the second flange 6, which is equivalent to setting the entire inverter as a part of the tower column, thereby reducing the additional space occupied during its installation.

[0031] In one embodiment, an inspection door 9 is installed on the side wall of the shell 4 through a hinge connection to facilitate workers to carry out inspection and maintenance.

[0032] In one embodiment, the central axes of the first flange member 1 , the second flange member 6 , the first mounting plate 2 , the second mounting plate 5 and the housing 4 are on the same straight line.

[0033] In one embodiment, the cross-section of the rotating slot 21 and the rotating slider 22 is T-shaped.

[0034] In one embodiment, the central axes of the mounting block 17 , the adjusting block 19 , the adjusting slot 24 , and the adjusting slip ring 25 are on the same straight line.

[0035] Working principle: The utility model is provided with a shell 4, an air inlet 15, an air outlet 16, a baffle plate 3 and a dust cleaning brush 10. A first mounting plate 2 is welded to the top of the shell 4, and a plurality of first connecting columns 7 are evenly welded to the edge of the top surface of the first mounting plate 2, and a first flange 1 is welded to one end of the first connecting column 7. A second mounting plate 5 is welded to the bottom of the shell 4, and a plurality of second connecting columns 11 are evenly welded to the edge of the bottom surface of the second mounting plate 5, and a second flange 6 is welded to one end of the second connecting column 11. The user can fix the shell 4 to the tower column or the ground through the first flange 1 or the second flange 6, which is equivalent to setting the entire inverter as a part of the tower column, thereby reducing the additional space occupied during its installation. The shell 4 is provided A plurality of connection blocks 12 are welded to the inner wall, and a mounting seat 13 is fixedly installed at one end of the connection block 12, and a component assembly 14 is fixedly installed on the mounting seat 13, which is a core component of an off-grid inverter. Like the prior art, it includes an inductor component, a capacitor component and a switch tube, and also includes a control circuit, that is, an integrated circuit board and a wiring harness, etc. All of the above components are installed on the circuit board, and are collectively referred to as the component assembly 14 below, which is used to realize the normal operation of an off-grid inverter. A plurality of air outlets 16 are evenly opened on the upper half of the side wall of the shell 4, and a plurality of air inlets 15 are evenly opened on the lower half of the side wall of the shell 4, and a filter screen 20 is fixedly installed on the air outlet 16 and the air inlet 15, and the air outlet 16 and the air inlet 15 are used to filter the air. 5 can improve the air circulation rate in the shell 4, speed up the exchange of hot and cold air, thereby improving the heat dissipation efficiency of the component assembly 14 when working. The filter 20 can intercept and filter the dust and impurities contained in the incoming air, and extend the service life of the component assembly 14. On the other hand, the first mounting plate 2 and the second mounting plate 5 are symmetrically provided with a rotating slide 21 on the opposite side, and a plurality of rotating sliders 22 are evenly embedded and installed in the rotating slide 21, and a shielding plate 3 is fixedly connected to one end of the rotating slider 22, and a connecting arc plate 8 is welded between adjacent shielding plates 3, and a dust cleaning brush 10 is fixedly installed on the inner side of the connecting arc plate 8. When in use, the shielding plate 3 is rotated to align with the air inlet 15 and the air outlet 16, so as to intercept external rainwater and prevent rainwater from passing through The air inlet 15 and the air outlet 16 enter the inner cavity of the shell 4. When the filter 20 is clogged with a lot of dust and impurities, the user only needs to push the shielding plate 3 to drive the connecting arc plate 8 and the cleaning brush 10 to rotate, and then the cleaning brush 10 can be used to clean and maintain the dust and impurities attached to the filter 20. After cleaning, the shielding plate 3 can be reset. During this process, there is no need to open the inner cavity of the shell 4, nor is there any need to disassemble and reinstall the filter 20. The operation is simple and convenient, saving time and effort, ensuring the ventilation and heat dissipation effect inside the shell 4, and more practical. In addition, the utility model is provided with a mounting block 17 and an adjusting block 19. The mounting block 17 is fixedly installed at the center of the top surface of the first mounting plate 2, and the first guide column plate 18 is fixedly installed on the bottom surface of the mounting block 17. During installation,The user can open the inspection door 9, and then connect the circuit of the component assembly 14 with the first guide column plate 18. The top surface of the first mounting plate 2 is provided with an adjustment slot 24, and an adjustment slip ring 25 is embedded in the adjustment slot 24, and an adjustment block 19 is fixedly installed on the top surface of the adjustment slip ring 25. A second guide column plate 23 is fixedly installed on one side of the adjustment block 19, and the second guide column plate 23 is electrically connected to the first guide column plate 18 through an electric wire. The second guide column plate 23 can be connected to an external circuit. Since the adjustment block 19 can drive the second guide column plate 23 to rotate along the adjustment slot 24, the user can adjust the direction of the second guide column plate 23 according to the installation needs, so that the user can connect the circuit of the component assembly 14, and the installation and use are more flexible, more applicable, and more practical.

[0036] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An off-grid inverter, comprising a housing (4), characterized in that: A first mounting plate (2) is welded to the top end of the shell (4), and a second mounting plate (5) is welded to the bottom end of the shell (4); a plurality of connection blocks (12) are welded to the inner wall of the shell (4); a mounting seat (13) is fixedly mounted on one end of the connection block (12), and a component assembly (14) is fixedly mounted on the mounting seat (13); a plurality of air outlets (16) are evenly arranged on the upper half of the side wall of the shell (4), and a plurality of air inlets (15) are evenly arranged on the lower half of the side wall of the shell (4); A filter screen (20) is fixedly installed on the air outlet (16) and the air inlet (15), and a rotating slide groove (21) is symmetrically opened on the opposite side of the first mounting plate (2) and the second mounting plate (5), and a plurality of rotating sliders (22) are evenly embedded and installed in the rotating slide groove (21), and a baffle plate (3) is fixedly connected to one end of the rotating slider (22), and a connecting arc plate (8) is welded between adjacent baffle plates (3), and a dust cleaning brush (10) is fixedly installed on the inner side of the connecting arc plate (8).

2. The off-grid inverter according to claim 1, characterized in that: A mounting block (17) is fixedly mounted at the center of the top surface of the first mounting plate (2), and a first guide column plate (18) is fixedly mounted on the bottom surface of the mounting block (17); an adjusting slide groove (24) is provided on the top surface of the first mounting plate (2), and an adjusting slip ring (25) is embedded in the adjusting slide groove (24), and an adjusting block (19) is fixedly mounted on the top surface of the adjusting slip ring (25); a second guide column plate (23) is fixedly mounted on one side of the adjusting block (19), and the second guide column plate (23) is electrically connected to the first guide column plate (18) through an electric wire.

3. The off-grid inverter according to claim 1, characterized in that: A plurality of first connecting columns (7) are evenly welded on the edge of the top surface of the first mounting plate (2), and a first flange (1) is welded on one end of the first connecting column (7); a plurality of second connecting columns (11) are evenly welded on the edge of the bottom surface of the second mounting plate (5), and a second flange (6) is welded on one end of the second connecting column (11).

4. The off-grid inverter according to claim 1, characterized in that: The side wall of the housing (4) is provided with an inspection door (9) via a hinge connection.

5. The off-grid inverter according to claim 3, characterized in that: The central axes of the first flange (1), the second flange (6), the first mounting plate (2), the second mounting plate (5) and the housing (4) are located on the same straight line.

6. The off-grid inverter according to claim 1, characterized in that: The cross-sectional shapes of the rotating slide groove (21) and the rotating slider (22) are T-shaped.

7. The off-grid inverter according to claim 2, characterized in that: The central axes of the mounting block (17), the adjusting block (19), the adjusting sliding groove (24) and the adjusting sliding ring (25) are on the same straight line.

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