Electromagnetic compatibility protection electrical structure of solar photovoltaic inverter

Abstract

The invention discloses an electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter, and relates to the field of photovoltaic inverters, the electromagnetic compatibility protection electrical structure comprises a supporting bottom plate, fixing screw rods are symmetrically inserted into the side edges of the supporting bottom plate, and supporting connecting rods are symmetrically connected to one side edge of the supporting bottom plate in a butt joint mode. A fixing end block is fixedly connected to the end, away from the supporting bottom plate, of the supporting connecting rod, connecting holes are symmetrically formed in the side edge of the fixing end block, a wiring panel is fixedly arranged on one side edge of the supporting bottom plate, and side buckling grooves are symmetrically formed in the two side edges of the supporting bottom plate; a sealing cover plate is connected to the side edge, away from the supporting connecting rod, of the supporting bottom plate in a buckled mode, a connecting side groove is horizontally formed in the top face of the sealing cover plate, a split structure is adopted so that installation and use can be more convenient, meanwhile, under the connecting installation structure of threads and buckles, installation is easy, and the practicability is high. And a multi-point heat dissipation and shielding structure is combined, so that the protection on internal electrical equipment is more comprehensive.

Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaic inverters, in particular to an electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter. Background Art

[0002] Photovoltaic inverters convert the variable DC voltage generated by photovoltaic solar panels into AC power at mains frequency. This power can be fed back into commercial transmission systems or used in off-grid power grids. Photovoltaic inverters are a crucial component in balancing the power supply in photovoltaic array systems and can be used with conventional AC-powered equipment. Solar inverters have specialized features for photovoltaic arrays, such as maximum power point tracking and islanding protection.

[0003] When current photovoltaic inverters are installed in electrical equipment, they are installed inside a protective box, which causes multiple devices to generate heat after operation. Failure to dissipate heat in time will affect work efficiency. In addition, some devices will be interfered with by external electromagnetic devices during operation, affecting the operation of electrical equipment. Summary of the Invention

[0004] The purpose of the present invention is to provide an electromagnetic compatibility protection electrical structure for a solar photovoltaic inverter to solve the problem raised in the above background technology that when the current photovoltaic inverter is installed and operated on electrical equipment, it is installed inside a protective box, which causes multiple devices to generate heat after operation. Failure to dissipate heat in time will affect work efficiency, and some devices will be interfered with by external electromagnetic equipment during operation, affecting the operation of the electrical equipment.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] An electromagnetic compatibility protection electrical structure for a solar photovoltaic inverter includes a support base plate, a fixing screw is symmetrically inserted into the side of the support base plate, a support connecting rod is symmetrically connected to one side of the support base plate, a fixed end block is fixedly connected to the end of the support connecting rod away from the support base plate, a connection hole is symmetrically opened on the side of the fixed end block, a wiring panel is fixedly provided on one side of the support base plate, side buckle grooves are symmetrically opened on both sides of the support base plate, a sealing cover plate is buckled on the side of the support base plate away from the support connecting rod, and a top surface of the sealing cover plate is horizontally opened. The connecting side groove is horizontally clamped with a sealing buckle plate on the inner side of the connecting side groove, a winding motor is fixedly provided on one side of the sealing cover plate, a ventilation grille is symmetrically fixedly clamped on both sides of the sealing cover plate, an adjusting cylinder is horizontally symmetrically fixedly provided on both sides of the sealing cover plate, a heat dissipation inner block is fixedly clamped on the side of the supporting base plate, mounting screw holes are symmetrically opened on the side of the supporting base plate, a plug-in side groove is symmetrically opened on the side of the supporting base plate, a plug-in interface is horizontally opened on one side of the supporting base plate, one end of the supporting connecting rod is fixedly connected to the end mounting block, the supporting base plate A matching slot is symmetrically provided on one side away from the mounting screw hole, and a porous inner plate is parallelly provided on one side of the supporting base plate, and the side bolts of the porous inner plate are fixedly connected to the main equipment body, and the side of the porous inner plate is symmetrically threaded and fixedly connected to the connecting column, and the two ends of the connecting column are symmetrically fixed with end screws, and the side of the sealing buckle plate is evenly fixed with a sealing rubber plate, and one side of the sealing cover plate is fixedly connected with a plug-in connector, and the side of the sealing cover plate is symmetrically fixed with a plug-in side block, and the side of the plug-in side block is fixedly connected with a snap-on oblique block, and the connecting side groove A main connecting plate is fixedly provided horizontally on the inner side, a winding groove is horizontally opened on the side wall of the sealing cover plate, a winding shaft rod is horizontally inserted into the inner side of the winding groove, an extension groove is vertically opened on the side of the sealing cover plate, a shielding roll plate is clamped on the inner side of the extension groove, an inner movable box is horizontally and symmetrically provided on the inner side of the sealing cover plate, a folding tube body is fixedly provided on one side of the inner movable box, a grille plate is fixedly clamped on one side of the inner movable box, a heat dissipation inner machine is fixedly clamped on the inner side of the inner movable box, and a matching connecting block is fixedly connected to the bottom surface of the inner movable box.

[0007] As a preferred embodiment of the present invention: the fixing screws are all symmetrically inserted into the side edges of the supporting base plate near the corners, and the extended ends are inserted into the inner sides of the mating slots, and the plug-in ends are threadedly fixedly connected inside the side screw holes of the end mounting blocks. There are four supporting connecting rods, and the four supporting connecting rods are arranged parallel to each other, and one ends of the four supporting connecting rods are correspondingly docked at the open ends of the mating slots.

[0008] As a preferred embodiment of the present invention: one end of the support connecting rod is fixedly set at the center position of the side of the fixed end block, the connecting holes are symmetrically opened on the side of the fixed end block near the four corners, the wiring panel is fixedly set at the center position of one side of the supporting base plate, and the wiring panel is kept connected with the inside of the plug interface.

[0009] As a preferred embodiment of the present invention: the side buckle grooves are symmetrically opened on both sides of the supporting base plate near the corners, and one end of the side buckle groove extends to the inside of the plug-in side groove to maintain a continuous connection. The open end of the sealing cover plate is buckled and set at the side of the supporting base plate near the edge. The sealing buckle plate is horizontally connected through an axis rod and set at the inner top open end position of the connecting side groove. The winding motor is fixedly set at the side of the sealing cover plate near a corner, and the output end of the winding motor is horizontally extended and fixedly connected at one end position of the winding axis rod.

[0010] As a preferred embodiment of the present invention: the air-permeable grille is symmetrically fixed inside the central through grooves on the two symmetrical sides of the sealing cover plate, the adjusting cylinder is horizontally symmetrically fixed at the two side corners of the sealing cover plate, and the output end of the adjusting cylinder horizontally penetrates the side wall of the sealing cover plate and extends to the inside, and the extended end is horizontally fixed and connected to the side position of the matching connecting block.

[0011] As a preferred embodiment of the present invention: the heat dissipation inner block is fixedly arranged at the center through groove position on the side of the supporting base plate, the mounting screw holes and the plug-in side grooves are symmetrically opened on the side of the supporting base plate near the four corners, and the plug-in interface is opened on the side center line of the supporting base plate near the top position.

[0012] As a preferred embodiment of the present invention: the mating slots are symmetrically opened on the side of the supporting base plate near the four corners, and one end of the end mounting block is correspondingly plugged into the inner side of the mating slot, the porous inner plate and the heat dissipation inner block are arranged parallel to each other, there are four connecting columns, and the four connecting columns are threadedly fixedly connected to the side of the porous inner plate near the four corner screw holes through the end screw at one end, and the other end of the connecting column is threadedly fixedly connected to the inner side of the mounting screw hole.

[0013] As a preferred embodiment of the present invention: one end of the plug connector is fixedly arranged on the side of the sealing cover plate near the edge, and one end of the plug connector is plugged into the inside of the plug interface to maintain electrical connection, one end of the plug-in side block is correspondingly plugged into the inner side of the plug-in side groove, and the snap-on oblique block is snap-on to the inner side of the side snap-on groove.

[0014] As a preferred embodiment of the present invention: the main connecting plate and multiple main equipment bodies maintain electrical connection with each other, the winding groove and the extension groove remain connected, the shielding coil is made of shielding material, and one end of the shielding coil is horizontally fixed and clamped on the outer side of the winding shaft, the two inner movable boxes are horizontally arranged on the side of the porous inner plate, and one end of the folding tube body remains connected to the open end of the air-permeable grille.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention uses a fixed screw to fix the installation operation, and then allows the support base plate to be set at a specified position inside the inverter, and allows the bolts to pass through the connection holes to fix the fixed end blocks and install them, so that the support base plate can be fixed in a suspended manner. Then, the porous inner plate is set in parallel at the side position close to the heat dissipation inner block, and the four connecting columns are fixedly connected by the end screws at both ends and set inside the mounting screw holes and the side screw holes of the porous inner plate, so that multiple inner plates are fixed in a suspended manner and set at the side position of the support base plate, and the sides of the multiple inner plates are spaced apart from the heat dissipation inner block. With a certain distance to meet the heat dissipation requirements, multiple main equipment bodies are bolted and connected to the sides of multiple inner plates to complete the installation of the electrical equipment. After the external power cord end is fixed and connected to the wiring panel, the internal power supply interface is powered on. After the sealing cover is buckled and set on the side position of the supporting base plate, a protective isolation cover is formed for the porous inner plate and multiple main equipment bodies. The side plug-in side blocks are correspondingly plugged into the inside of the side buckle grooves. The installation operation is fixed by the buckle oblique blocks, and the side plug connectors are plugged into the internal power supply of the plug interface.

[0017] 2. The present invention controls the horizontal telescopic movement of the output end of the side regulating cylinder, so that the output end drives the inner movable box to move horizontally inside the sealing cover. After the inner movable box moves to the side position of the heat-generating main equipment body, it is cooled by opening the internal heat dissipation inner machine. The hot air is transmitted outward through the folded tube body and the air-permeable grille on the side, completing the heat dissipation of the designated equipment. When the heat dissipation inner block on the north is opened, the entire equipment body can be cooled. When there is an electromagnetic device outside, the winding motor can be controlled to rotate, so that the output end drives the winding shaft to rotate, and the external hand-rolled shielding roll plate is released to the inside of the extension groove. After the shielding roll plate is extended inside the sealing cover, it can form an isolation and protection effect on the magnetic field of the electromagnetic device on the side. The use of a split structure makes it more convenient to install and use. At the same time, the threaded and snap-fit ​​connection installation structure makes it easy to install. The combination of multi-point heat dissipation and shielding structure makes it more comprehensive to protect the internal electrical equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Other features, objects and advantages of the present invention will become more apparent upon reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0019] Figure 1 A schematic diagram of the three-dimensional structure of the electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter;

[0020] Figure 2 A schematic structural diagram of the three-dimensional connection details of the support base plate of the electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter;

[0021] Figure 3 A schematic structural diagram of the three-dimensional back of a supporting base plate of an electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter;

[0022] Figure 4 A schematic diagram of the structural details of the three-dimensional connection of the porous inner plate of the electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter;

[0023] Figure 5 A schematic diagram of the three-dimensional details of a sealing cover plate of an electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter;

[0024] Figure 6 A schematic structural diagram showing the three-dimensional cross-sectional connection details of a sealing cover plate of an electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter;

[0025] Figure 7 The diagram is a structural diagram showing the three-dimensional cross-sectional connection details of the inner movable box of the electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter.

[0026] Figure: 1, support base; 2, fixing screw; 3, support connecting rod; 4, fixed end block; 5, connection hole; 6, wiring panel; 7, side buckle groove; 8, sealing cover; 9, connecting side groove; 10, sealing buckle plate; 11, winding motor; 12, ventilation grille; 13, regulating cylinder; 14, heat dissipation inner block; 15, mounting screw hole; 16, plug side groove; 17, plug interface; 18, end mounting block; 19, matching plug Groove; 20. Porous inner plate; 21. Main equipment body; 22. Connecting column; 23. End screw; 24. Sealing rubber plate; 25. Plug connector; 26. Plug side block; 27. Snap-on bevel block; 28. Main connecting plate; 29. ​​Winding groove; 30. Winding shaft; 31. Extension groove; 32. Shielding roll plate; 33. Inner movable box; 34. Folding tube body; 35. Grille plate; 36. Heat dissipation inner unit; 37. Matching block. DETAILED DESCRIPTION

[0027] See also Figure 1In an embodiment of the present invention, an electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter includes a supporting base plate 1, a fixing screw 2 is symmetrically inserted into the side of the supporting base plate 1, and a supporting connecting rod 3 is symmetrically docked on one side of the supporting base plate 1. The fixing screws 2 are all symmetrically inserted into the side of the supporting base plate 1 near the corner, and the extended end is inserted into the inner side of the matching slot 19, and the plug-in end is threadedly fixedly connected inside the side screw hole of the end mounting block 18. There are four supporting connecting rods 3, and the four supporting connecting rods 3 are arranged in parallel with each other. One end of the four supporting connecting rods 3 is correspondingly docked in the matching slot 19. At the open end of the slot 19, the support link 3 is fixedly connected to a fixed end block 4 at one end away from the support base plate 1, and a connecting hole 5 is symmetrically opened on the side of the fixed end block 4. A wiring panel 6 is fixedly provided on one side of the support base plate 1. One end of the support link 3 is fixedly set at the center position of the side of the fixed end block 4, and the connecting hole 5 is symmetrically opened on the side of the fixed end block 4 near the four corners. The wiring panel 6 is fixed at the center position of one side of the support base plate 1, and the wiring panel 6 is connected to the inside of the plug interface 17. The two sides of the support base plate 1 are symmetrically provided with side buckle grooves 7. The support base plate 1 is at a position away from the support link. A sealing cover plate 8 is buckled on one side of the rod 3, and a connecting side groove 9 is horizontally opened on the top surface of the sealing cover plate 8. A sealing buckle plate 10 is horizontally clamped on the inner side of the connecting side groove 9. A winding motor 11 is fixedly set on one side of the sealing cover plate 8. The side buckle grooves 7 are symmetrically opened on both sides of the supporting base plate 1 near the corners, and one end of the side buckle groove 7 extends to the inside of the plug-in side groove 16 to maintain a through connection. The open end of the sealing cover plate 8 is buckled and set on the side of the supporting base plate 1 near the edge. The sealing buckle plate 10 is horizontally connected to the inner top open end position of the connecting side groove 9 through an axis rod, and the winding motor 11 is fixed on the sealing cover plate 8 is close to a corner position, and the output end of the winding motor 11 is horizontally extended and fixedly connected to one end position of the winding shaft 30, and the two sides of the sealing cover plate 8 are symmetrically fixed with air-permeable grilles 12, and the two sides of the sealing cover plate 8 are horizontally and symmetrically fixed with adjusting cylinders 13. The air-permeable grilles 12 are symmetrically fixed inside the central through grooves on the two symmetrical sides of the sealing cover plate 8, and the adjusting cylinders 13 are horizontally and symmetrically fixed at the corner positions of the two sides of the sealing cover plate 8, and the output end of the adjusting cylinder 13 horizontally penetrates the side wall of the sealing cover plate 8 and extends to the inside, and the extended end is horizontally fixedly connected to the side position of the matching connecting block 37;

[0028] See also Figure 2-4In an embodiment of the present invention, an electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter is provided, wherein a heat dissipation inner block 14 is fixedly connected to the side of the support base plate 1, mounting screw holes 15 are symmetrically provided on the side of the support base plate 1, plug-in side grooves 16 are symmetrically provided on the side of the support base plate 1, and a plug-in interface 17 is horizontally provided on one side of the support base plate 1. The heat dissipation inner block 14 is fixedly set at the center through groove position of the side of the support base plate 1, the mounting screw holes 15 and the plug-in side grooves 16 are symmetrically provided on the side of the support base plate 1 near the four corners, and the plug-in interface 17 is provided on the side center line of the support base plate 1 near the top position, one end of the support connecting rod 3 is fixedly connected to the end mounting block 18, and the support base plate 1 is symmetrically provided with a matching slot 19 on the side away from the mounting screw hole 15. A porous inner plate 20 is provided in parallel with one side thereof, and the side bolts of the porous inner plate 20 are fixedly connected to the main equipment body 21, and the side of the porous inner plate 20 is symmetrically threadedly fixedly connected to the connecting column 22, and the two ends of the connecting column 22 are symmetrically fixedly provided with end screws 23, and the matching slots 19 are symmetrically provided on the side of the supporting base plate 1 near the four corners, and one end of the end mounting block 18 is correspondingly plugged into the inner side of the matching slot 19, the porous inner plate 20 and the heat dissipation inner block 14 are arranged parallel to each other, and there are four connecting columns 22, and the four connecting columns 22 are threadedly fixedly connected to the side of the porous inner plate 20 near the four corner screw holes through the end screw 23 at one end, and the other end of the connecting column 22 is threadedly fixedly connected to the inner side of the mounting screw hole 15;

[0029] See also Figure 5-7In an embodiment of the present invention, an electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter is provided, wherein the side of the sealing buckle plate 10 is evenly fixed with a sealing rubber plate 24, one side of the sealing cover plate 8 is fixedly connected with a plug connector 25, the side of the sealing cover plate 8 is symmetrically fixed with a plug-in side block 26, the side of the plug-in side block 26 is fixedly clamped with a snap-on oblique block 27, one end of the plug connector 25 is fixedly set on the side of the sealing cover plate 8 near the edge, and one end of the plug connector 25 is plugged into the inside of the plug interface 17 to maintain electrical connection, one end of the plug-in side block 26 is correspondingly plugged into the inner side of the plug-in side groove 16, and the snap-on oblique block 27 is clamped into the inner side of the side buckle groove 7, the inner side of the connecting side groove 9 is horizontally fixed with a main connecting plate 28, the side wall of the sealing cover plate 8 is horizontally opened with a winding groove 29, and the inner side of the winding groove 29 is horizontally plugged with a winding shaft 30, the sealing cover An extension groove 31 is vertically opened on the side of the plate 8, and a shielding roll plate 32 is clamped on the inner side of the extension groove 31. An inner movable box 33 is horizontally and symmetrically arranged on the inner side of the sealing cover plate 8. A folding tube body 34 is fixedly set on one side of the inner movable box 33. The main connecting plate 28 and multiple main equipment bodies 21 maintain electrical connection with each other, and the winding groove 29 and the extension groove 31 remain connected. The shielding roll plate 32 is made of shielding material, and one end of the shielding roll plate 32 is horizontally fixed and clamped on the outer side of the winding shaft 30. The two inner movable boxes 33 are horizontally arranged on the side of the porous inner plate 20, and one end of the folding tube body 34 remains connected to the open end of the air-permeable grille 12. A grille plate 35 is fixedly clamped on one side of the inner movable box 33, and a heat dissipation inner machine 36 is fixedly clamped on the inner side of the inner movable box 33. The bottom surface of the inner movable box 33 is fixedly connected to a matching connecting block 37.

[0030] The components are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0031] The working principle of the present invention is:

[0032] Let the mounting block 18 at one end of the support link 3 be correspondingly inserted into the inside of the matching slot 19, and fixedly installed by the fixing screw 2, then let the support base plate 1 be set at the specified position inside the inverter, let the bolt pass through the connection hole 5 to fix the fixed end block 4, so that the support base plate 1 can form a suspended fixed installation operation, and then let the porous inner plate 20 be set parallel to the side position close to the heat dissipation inner block 14, and let the four connecting columns 22 be fixedly connected by the end screws 23 at both ends to be set at the side of the mounting screw hole 15 and the porous inner plate 20. After the screw holes are inserted into the side holes, multiple inner panels 20 are fixedly installed in a suspended manner on the side of the supporting base plate 1, and the sides of the multiple inner panels 20 are at a certain distance from the heat dissipation inner block 14 to meet the heat dissipation requirements. After the multiple main equipment bodies 21 are fixedly connected and set on the sides of the multiple inner panels 20, the installation operation of the electrical equipment is completed. After the external power line end is fixedly connected and set on the wiring panel 6, the internal power supply of the plug interface 17 is powered on, and the sealing cover plate 8 is buckled and set on the side of the supporting base plate 1, the porous inner panel 20 and the multiple main equipment bodies 21 are fixedly connected and set on the sides of the multiple inner panels 20. The equipment body 21 is formed into a protective isolation cover, so that the side plug-in side block 26 is correspondingly plugged into the inside of the side buckle slot 7, and the installation operation is fixed by the buckle oblique block 27, so that the side plug connector 25 is plugged into the internal power-on operation of the plug interface 17. After controlling the horizontal telescopic movement of the output end of the side adjustment cylinder 13, the output end drives the inner movable box 33 to move horizontally inside the sealing cover 8. After the inner movable box 33 moves to the side position of the heat-generating main equipment body 21, it is cooled by opening the internal heat dissipation internal machine 36, and the hot air is vented. It is transmitted outward through the folding tube body 34 and the air-permeable grille 12 on the side to complete the heat dissipation of the designated equipment. When the heat dissipation inner block 14 on the north is opened, the heat dissipation operation of the entire device body 21 can be performed. When there is an electromagnetic device outside, the winding motor 11 can be controlled to rotate, and the output end can drive the winding shaft 30 to rotate, and the external hand-rolled shielding roll plate 32 can be released to the inside of the extension groove 31. After the shielding roll plate 32 is extended inside the sealing cover plate 8, it can form an isolation and protection effect on the magnetic field of the electromagnetic device on the side.

[0033] The above is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solutions and inventive concepts of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. An electromagnetic compatibility protection electrical structure for a solar photovoltaic inverter, comprising a supporting base plate (1), characterized in that: The side of the support base plate (1) is symmetrically plugged with a fixing screw (2), and the side of the support base plate (1) is symmetrically connected with a supporting connecting rod (3). The supporting connecting rod (3) is fixedly connected to a fixed end block (4) at one end away from the support base plate (1), and the side of the fixed end block (4) is symmetrically provided with a connecting hole (5). A wiring panel (6) is fixedly provided on one side of the support base plate (1), and side buckle grooves (7) are symmetrically provided on both sides of the support base plate (1). The support base plate (1) is buckled with a sealing cover plate (8) on the side away from the supporting connecting rod (3), and a connecting side groove (9) is horizontally provided on the top surface of the sealing cover plate (8), and a sealing buckle plate ( 10), a winding motor (11) is fixedly provided on one side of the sealing cover plate (8), a ventilation grille (12) is symmetrically fixedly connected on both sides of the sealing cover plate (8), an adjusting cylinder (13) is horizontally symmetrically fixedly provided on both sides of the sealing cover plate (8), a heat dissipation inner block (14) is fixedly connected on the side of the supporting base plate (1), mounting screw holes (15) are symmetrically provided on the side of the supporting base plate (1), plug-in side grooves (16) are symmetrically provided on the side of the supporting base plate (1), a plug-in interface (17) is horizontally provided on one side of the supporting base plate (1), one end of the supporting connecting rod (3) is fixedly connected to an end mounting block (18), and the supporting base plate (1) is on the side away from the mounting screw hole (15). A matching slot (19) is symmetrically provided on one side of the supporting base plate (1), a porous inner plate (20) is provided in parallel on one side of the supporting base plate (1), the side of the porous inner plate (20) is fixedly connected to the main equipment body (21) by bolts, the side of the porous inner plate (20) is symmetrically threaded and fixedly connected to the connecting column (22), the two ends of the connecting column (22) are symmetrically fixedly provided with end screws (23), the side of the sealing buckle plate (10) is evenly fixedly connected with a sealing rubber plate (24), one side of the sealing cover plate (8) is fixedly connected with a plug connector (25), the side of the sealing cover plate (8) is symmetrically fixedly provided with a plug-in side block (26), the side of the plug-in side block (26) is fixedly connected with a snap-on bevel block (27), the connecting The inner side of the side groove (9) is horizontally fixed with a main connecting plate (28), the side wall of the sealing cover plate (8) is horizontally opened with a winding groove (29), the inner side of the winding groove (29) is horizontally plugged with a winding shaft (30), the side of the sealing cover plate (8) is vertically opened with an extension groove (31), the inner side of the extension groove (31) is clamped with a shielding roll plate (32), the inner side of the sealing cover plate (8) is horizontally symmetrically provided with an inner movable box (33), one side of the inner movable box (33) is fixedly provided with a folding tube body (34), one side of the inner movable box (33) is fixedly clamped with a grille plate (35), and the inner side of the inner movable box (33) is fixedly clamped with a heat dissipation internal machine (36).The bottom surface of the inner movable box (33) is fixedly connected with a matching connecting block (37).

2. The electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter according to claim 1, characterized in that: The fixing screws (2) are all inserted symmetrically on the side of the supporting base plate (1) near the corner, and the extended ends are inserted on the inner side of the matching slot (19), and the plug-in ends are threadedly fixedly connected inside the side screw holes of the end mounting block (18). There are four supporting connecting rods (3), and the four supporting connecting rods (3) are arranged parallel to each other. One end of the four supporting connecting rods (3) is correspondingly connected to the open end of the matching slot (19).

3. The electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter according to claim 1, characterized in that: One end of the supporting connecting rod (3) is fixedly arranged at the center position of the side of the fixed end block (4); the connecting holes (5) are symmetrically opened on the side of the fixed end block (4) near the four corners; the wiring panel (6) is fixedly arranged at the center position of one side of the supporting base plate (1); and the wiring panel (6) is kept in continuous connection with the inside of the plug interface (17).

4. The electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter according to claim 1, characterized in that: The side buckle grooves (7) are symmetrically arranged on both sides of the supporting base plate (1) near the corners, and one end of the side buckle groove (7) extends to the inside of the plug-in side groove (16) to maintain a continuous connection. The open end of the sealing cover plate (8) is buckled and arranged on the side of the supporting base plate (1) near the edge. The sealing buckle plate (10) is horizontally connected to the inner top open end of the connecting side groove (9) through a shaft. The winding motor (11) is fixedly arranged on the side of the sealing cover plate (8) near a corner, and the output end of the winding motor (11) is horizontally extended and fixedly connected to one end of the winding shaft (30).

5. The electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter according to claim 1, characterized in that: The ventilation grille (12) is symmetrically fixedly arranged inside the central through grooves on the two symmetrical sides of the sealing cover plate (8), and the regulating cylinder (13) is horizontally symmetrically fixedly arranged at the corner positions on both sides of the sealing cover plate (8), and the output end of the regulating cylinder (13) horizontally penetrates the side wall of the sealing cover plate (8) and extends to the inside, and the extended end is horizontally fixedly connected to the side position of the matching connecting block (37).

6. The electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter according to claim 1, characterized in that: The heat dissipation inner block (14) is fixedly arranged at the central through slot position on the side of the supporting base plate (1); the mounting screw holes (15) and the plug-in side slots (16) are symmetrically arranged on the side of the supporting base plate (1) near the four corners; and the plug-in interface (17) is arranged on the side center line of the supporting base plate (1) near the top end.

7. The electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter according to claim 1, characterized in that: The matching slots (19) are symmetrically arranged on the side of the supporting base plate (1) near the four corners, and one end of the end mounting block (18) is correspondingly inserted and arranged on the inner side of the matching slot (19). The porous inner plate (20) and the heat dissipation inner block (14) are arranged in parallel with each other. There are four connecting columns (22), and the four connecting columns (22) are fixedly connected to the side of the porous inner plate (20) near the four corner screw holes through the end screw (23) at one end. The other end of the connecting column (22) is fixedly connected to the inner side of the mounting screw hole (15).

8. The electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter according to claim 1, characterized in that: One end of the plug connector (25) is fixedly arranged on the side of the sealing cover plate (8) near the edge, and one end of the plug connector (25) is plugged into the inside of the plug interface (17) to maintain electrical connection, one end of the plug side block (26) is correspondingly plugged into the inner side of the plug side groove (16), and the snap-on bevel block (27) is snap-on to the inner side of the side snap-on groove (7).

9. The electromagnetic compatibility protection electrical structure of a solar photovoltaic inverter according to claim 1, characterized in that: The main connecting plate (28) and the plurality of main equipment bodies (21) are electrically connected to each other, the winding groove (29) and the extension groove (31) are connected, the shielding coil (32) is made of shielding material, and one end of the shielding coil (32) is horizontally fixed and clamped on the outer side of the winding shaft (30), the two inner movable boxes (33) are horizontally arranged on the side of the porous inner plate (20), and one end of the folding tube (34) is connected to the open end of the air-permeable grille (12).

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