Controller photovoltaic grid-connected control box

Abstract

The application discloses a controller photovoltaic grid-connected control box and belongs to the technical field of control boxes. The control box comprises a case. In the application, a drawer cabinet and a control mechanism are arranged in a matched mode, the control mechanism is ingeniously designed as an opening and closing automatic storage type, through the hidden drawer design, when the control mechanism needs to be used, the cabinet body can be pulled out, the control mechanism can be automatically guided out of the cabinet body, the staff can be conveniently controlled, when the control mechanism is guided out, each group of connecting lines can be automatically combed, and the connecting heads can be pulled to appropriate positions, so that the staff can quickly take the connecting heads, when the control mechanism is stored, each structure can be automatically reset, control is convenient, the core control mechanism can be comprehensively and stably protected, the control space can be expanded during use, the operation in the limited space in the equipment is avoided, and the practical application effect of the control box is greatly improved.

Description

Technical Field

[0001] This invention belongs to the field of control box technology, and particularly relates to a photovoltaic grid-connected control box. Background Technology

[0002] A photovoltaic grid-connected control box is a crucial power distribution device in a photovoltaic system. It is mainly responsible for receiving the direct current generated by the solar photovoltaic cell array and converting it into alternating current that meets the grid requirements through an internal conversion device, thereby achieving grid-connected power supply.

[0003] Chinese patent (CN119381936A) discloses a photovoltaic grid-connected control box with anti-collision function, including a control box, a fixed frame, and a mounting frame. Protective components are movably installed on both sides of the front of the fixed frame, and radar sensors are fixedly installed on the front and both sides of the mounting frame. This device, through the synergistic effect of its various structural designs, provides comprehensive protection and favorable operating conditions for the photovoltaic grid-connected control box. In terms of anti-collision, it provides protection from multiple angles and levels, greatly improving the safety and stability of the control box during operation. The heat dissipation design ensures the normal operating temperature of the internal electronic components, further ensuring the overall performance and service life of the control box. This reduces equipment failures and maintenance costs caused by accidental impacts and overheating, providing strong support for the stable operation of the photovoltaic grid-connected system. Currently, although control boxes are equipped with some protective structures to protect core components, a large portion of the structure remains exposed when the equipment is not in use. These protective structures cannot provide comprehensive protection, leaving a risk of damage and resulting in unsatisfactory practical application. To solve these problems, a photovoltaic grid-connected control box is urgently needed. Summary of the Invention

[0004] The purpose of this invention is to address the problem that although current control boxes are equipped with some protective structures to protect the core components of the user, a large amount of the structure is still exposed when the equipment is not in use, and the protective structures cannot provide comprehensive protection, so there is still a risk of damage and poor practical application. Therefore, the proposed controller photovoltaic grid-connected control box is proposed.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a photovoltaic grid-connected controller box, including a chassis, an anti-islanding control area and a metering area are provided on the top and middle of the chassis, a pull-out groove is provided inside the chassis, a first rack is horizontally fixedly installed inside the pull-out groove, a pull-out cabinet is slidably installed inside the pull-out groove, a handle is fixedly installed on the outer surface of the pull-out cabinet, and an inner partition is fixedly installed inside the pull-out cabinet;

[0006] A control mechanism for grid connection control is movably installed on the inner partition. A dust removal inclined seat is fixedly installed on the inner wall of the bottom surface of the pull-out cabinet. A magnetic baffle is rotatably installed on one side of the pull-out cabinet near the dust removal inclined seat via a rotating shaft. A cleaning component for cleaning dust is movably installed on the dust removal inclined seat. The inner partition has a rotating hole and several dust removal holes inside. A transmission component is rotatably installed in the rotating hole. The transmission component is used for the stable drive of the control mechanism and the cleaning component.

[0007] By adopting the above technical solution, and by providing a pull-out cabinet and control mechanism, the control mechanism is cleverly designed to be automatically retractable. This concealed pull-out design allows the cabinet to be pulled out when the control unit is needed, and the control unit can be automatically extended from the cabinet for easy operation. Furthermore, when the control unit is extended, it automatically organizes the connecting cables and pulls the connectors to appropriate positions for quick access. When the equipment is not in use, the control unit can be retracted, and all components automatically reset, ensuring convenient operation. This not only provides comprehensive and stable protection for the core control unit but also expands the operating space during use, avoiding the confined space of the equipment and greatly improving the practical application effect of the control box.

[0008] As a further description of the above technical solution:

[0009] The control mechanism includes a first screw and a controller. The first screw is rotatably mounted on the inner wall of one side of the drawer cabinet. A first driven bevel gear is fixedly mounted on the outside of the first screw, and the controller is threaded onto the outside of the first screw.

[0010] As a further description of the above technical solution:

[0011] The controller is slidably mounted on a guide rail on the inner partition. A back gear is rotatably mounted on one side of the outer wall of the controller via a rotating shaft. A side groove is provided on one side of the controller, and a circuit breaker is movably mounted inside the side groove via a side push spring.

[0012] As a further description of the above technical solution:

[0013] A wire harness holder and a cross guide rail are fixedly installed on the other outer wall of the controller. Several connectors are connected to one outer wall of the wire harness holder through several wire harnesses. A wire harness straightening component is slidably installed on the cross guide rail.

[0014] As a further description of the above technical solution:

[0015] The wire harness straightening assembly includes a movable rack, which is slidably mounted on a cross guide rail via a cross groove on one side, and a second magnetic wire harness clamp is fixedly mounted on the top surface of the movable rack.

[0016] As a further description of the above technical solution:

[0017] Two limiting pins are fixedly installed on the top surface of the second magnetic wire harness clamp, and the first magnetic wire harness clamp is movably installed on the outside of the two limiting pins. Both the first and second magnetic wire harness clamps have multiple wire harness slots inside, and the specifications of the first and second magnetic wire harness clamps are the same.

[0018] As a further description of the above technical solution:

[0019] The magnetic poles of the first magnetic wire harness card plate and the second magnetic wire harness card plate are different. A second rack is fixedly installed on one inner wall of the drawer cabinet. The back gear meshes with the second rack and the moving rack. Several wire harnesses are provided on the side wall of the wire harness seat and pass through several wire harness slots.

[0020] As a further description of the above technical solution:

[0021] The cleaning assembly includes a second screw and a movable housing. The second screw is rotatably mounted on the inner wall of one side of the drawer cabinet. A second driven bevel gear is fixedly mounted on the outside of the second screw, and the movable housing is threaded onto the outside of the second screw.

[0022] As a further description of the above technical solution:

[0023] The bottom of the movable housing is provided with two plate slots, and each plate slot is movably installed with a mounting bracket via an internal spring. A mounting shaft is rotatably installed between the two mounting brackets. A cleaning brush is fixedly installed on the outside of the mounting shaft. The bottom end of the cleaning brush is in close contact with the top surface of the dust removal inclined seat. Torsion springs are provided on the outside of both ends of the mounting shaft, and one end of the torsion spring is fixedly connected to the side wall of the mounting bracket.

[0024] As a further description of the above technical solution:

[0025] The transmission assembly includes a longitudinal shaft, which is rotatably mounted in the rotating hole of the inner partition via a rotating rib. A first driving bevel gear and a second driving bevel gear are fixedly mounted at both ends of the longitudinal shaft, respectively. The first driving bevel gear and the first driven bevel gear are meshed with each other, and the second driving bevel gear and the second driven bevel gear are meshed with each other. A gear disk is fixedly mounted on the outside of the longitudinal shaft, and the gear disk is meshed with the first rack.

[0026] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0027] 1. In this invention, a pull-out cabinet and a control mechanism are provided. The control mechanism is cleverly designed as an automatic opening and closing mechanism. When using the control box, the pull-out cabinet is pulled out directly by the handle. At this time, the first rack can mesh with the gear plate, and the longitudinal shaft can drive the first and second drive bevel gears to rotate synchronously. The first drive bevel gear can drive the first screw with the first driven bevel gear to rotate. When the first screw rotates, it can drive the controller to move sideways. When the controller moves, the back gear on its back can also mesh with the second rack and rotate. The rotating back gear can push the wire harness straightening assembly sideways. When the pull-out cabinet is pulled out, the controller can also move sideways. At the same time, the moving wire harness straightening assembly can also automatically pull out multiple connectors. At this time, the operator can operate the controller. The device connects external structures and connectors. After use, the control mechanism can be pushed back into the pull-out cabinet, and all structures can automatically reset and be stored. This hidden pull-out design allows the cabinet to be pulled out when the control unit is needed, and the control unit can be automatically extended from the cabinet for easy operation. When the control unit is extended, the device can also automatically organize the connecting cables and pull the connectors to the appropriate positions for quick access. When the device is not in use, the control unit can be stored, and all structures can automatically reset, making operation convenient. This design not only provides comprehensive and stable protection for the core control unit but also expands the operating space during use, avoiding operation in the confined space inside the equipment and greatly improving the practical application effect of the control box.

[0028] 2. In this invention, the wire harness straightening component is designed as a segmented modular assembly. When threading the wires, the first magnetic wire harness clamp is moved upward to pass the wire harness connector through the wire harness slot. Then, the first magnetic wire harness clamp is released directly. Due to the magnetic attraction between the first and second magnetic wire harness clamps, they can quickly attract and combine. Each set of first and second magnetic wire harness clamps can be modularly assembled and disassembled as needed, making the operation convenient and quick. When the equipment is in use, the controller can also be moved out to the side after the pull-out cabinet is pulled out, allowing the operator to control the controller. At the same time, the circuit breaker can also automatically pop out after the controller is pulled out, facilitating operation. The overall equipment is simple and convenient to operate.

[0029] 3. In this invention, by incorporating a cleaning component and a dust removal inclined seat, during the automatic deployment of the control mechanism, the synchronously rotating second drive bevel gear can also drive the second screw with a second driven bevel gear to rotate. The second screw can drive the movable shell on it to move laterally, thereby driving the cleaning brush to scrape on the dust removal inclined seat. With the continuous movement of the movable shell, the cleaning brush can continuously sweep away the dust deposited on the dust removal inclined seat by the control mechanism through the dust removal hole. The accumulated dust can be cleaned once periodically by opening the magnetic baffle. The cleaning component is designed to be adaptively telescopic, and the cleaning brush can adaptively rise and fall according to the inclination of the dust removal inclined seat to ensure the cleaning effect of the dust. The inclined dust removal inclined seat also facilitates the discharge of dust. Through this design, dust around the control mechanism can be automatically collected, and the collected dust can be automatically cleaned every time the control mechanism is used, without the need for additional cleaning, which greatly improves the functionality and practical application effect of the overall equipment. Attached Figure Description

[0030] Figure 1 This is a three-dimensional structural diagram of the photovoltaic grid-connected control box for the controller.

[0031] Figure 2 This is an exploded three-dimensional structural diagram of the photovoltaic grid-connected control box for the controller.

[0032] Figure 3 This is a schematic diagram of the combined three-dimensional structure of the pull-out cabinet in the photovoltaic grid-connected control box of the controller.

[0033] Figure 4 This is an exploded 3D structural diagram of the pull-out cabinet in the photovoltaic grid-connected control box of the controller.

[0034] Figure 5 This is a schematic diagram of the combined three-dimensional structure of the control mechanism in the photovoltaic grid-connected control box of the controller.

[0035] Figure 6 This is an exploded three-dimensional structural diagram of the control mechanism in the photovoltaic grid-connected control box of the controller.

[0036] Figure 7 This is an exploded three-dimensional structural diagram of the cleaning component in the photovoltaic grid-connected control box of the controller.

[0037] Figure 8 For the controller photovoltaic grid-connected control box Figure 5 A magnified structural diagram of point A in the middle.

[0038] Figure 9 This is an exploded three-dimensional structural diagram of the wiring harness arrangement component in the photovoltaic grid-connected control box of the controller.

[0039] Figure 10 This is a partial cross-sectional three-dimensional structural diagram of the chassis in the photovoltaic grid-connected control box of the controller.

[0040] Figure 11 For the controller photovoltaic grid-connected control box Figure 7 A magnified structural diagram at point B in the middle.

[0041] Legend:

[0042] 1. Chassis; 2. Anti-islanding control area; 3. Metering area; 4. Drawer cabinet; 5. Drawer slot; 6. First rack; 7. Handle; 8. Control mechanism; 81. First driven bevel gear; 82. First screw; 83. Controller; 84. Wire harness holder; 85. Connector; 86. Wire harness straightening assembly; 861. Wire harness slot; 862. Moving rack; 863. First magnetic wire harness clamp; 864. Limit pin; 865. Second magnetic wire harness clamp; 866. Cross groove; 87. Side groove; 88. Side 89. Push spring; 10. Circuit breaker; 11. Inner partition; 12. Magnetic baffle; 13. Second rack; 14. Sweeping assembly; 15. Second driven bevel gear; 16. Second screw; 17. Moving housing; 18. Sweeping brush; 19. Mounting shaft; 10. Torsion spring; 11. Mounting bracket; 12. Inner spring; 12. Transmission assembly; 13. First drive bevel gear; 14. Longitudinal shaft; 15. Second drive bevel gear; 16. Gear plate; 17. Dust removal inclined seat; 18. Back gear. Detailed Implementation

[0043] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0044] Please see Figures 1-11 The present invention provides a technical solution: a photovoltaic grid-connected control box, including a chassis 1, an anti-islanding control area 2 and a metering area 3 are provided on the top and middle of the chassis 1, a pull-out groove 5 is provided inside the chassis 1, a first rack 6 is horizontally fixedly installed inside the pull-out groove 5, a pull-out cabinet 4 is slidably installed inside the pull-out groove 5, a handle 7 is fixedly installed on the outer surface of the pull-out cabinet 4, and an inner partition 9 is fixedly installed inside the pull-out cabinet 4.

[0045] A control mechanism 8 for grid connection control is movably installed on the inner partition 9. A dust removal inclined seat 14 is fixedly installed on the bottom inner wall of the pull-out cabinet 4. A magnetic baffle 10 is rotatably installed on one side of the pull-out cabinet 4 near one end of the dust removal inclined seat 14 via a rotating shaft. A cleaning component 12 for cleaning dust is movably installed on the dust removal inclined seat 14. The inner partition 9 has a rotating hole and several dust removal holes. A transmission component 13 is rotatably installed in the rotating hole. The transmission component 13 is used for the stable drive of the control mechanism 8 and the cleaning component 12.

[0046] The control mechanism 8 includes a first screw 82 and a controller 83. The first screw 82 is rotatably mounted on the inner wall of one side of the drawer cabinet 4. A first driven bevel gear 81 is fixedly mounted on the outside of the first screw 82. The controller 83 is threaded onto the outside of the first screw 82. The controller 83 is slidably mounted on a guide rail provided on the inner partition 9. A back gear 15 is rotatably mounted on the outer wall of one side of the controller 83 via a rotating shaft. A side groove 87 is provided on one side of the controller 83. A circuit breaker 89 is movably mounted inside the side groove 87 via a side push spring 88.

[0047] A wire harness holder 84 and a cross guide rail are fixedly installed on the other outer wall of the controller 83. Several connectors 85 are connected to one outer wall of the wire harness holder 84 through several wire harnesses. A wire harness straightening assembly 86 is slidably installed on the cross guide rail. The wire harness straightening assembly 86 includes a movable rack 862. The movable rack 862 is slidably installed on the cross guide rail through a cross groove 866 provided on one side. A second magnetic wire harness clamping plate 865 is fixedly installed on the top surface of the movable rack 862. Two limit pins 864 are fixedly installed on the top surface of the second magnetic wire harness clamping plate 865. A first magnetic wire harness clamping plate 863 is movably installed outside the two limit pins 864. Both the first magnetic wire harness clamping plate 863 and the second magnetic wire harness clamping plate 865 have multiple wire harness slots 861 inside. The specifications of the first magnetic wire harness clamping plate 863 and the second magnetic wire harness clamping plate 865 are the same.

[0048] The transmission assembly 13 includes a longitudinal shaft 132, which is rotatably mounted in the rotating hole of the inner partition 9 via a rotating rib. A first driving bevel gear 131 and a second driving bevel gear 133 are fixedly mounted at both ends of the longitudinal shaft 132, respectively. The first driving bevel gear 131 is meshed with the first driven bevel gear 81, and the second driving bevel gear 133 is meshed with the second driven bevel gear 121. A gear disk 134 is fixedly mounted on the outside of the longitudinal shaft 132, and the gear disk 134 is meshed with the first rack 6.

[0049] Furthermore, the control mechanism 8 is cleverly designed as an automatic opening and closing storage type. When using the control box, the drawer cabinet 4 is pulled out directly by the handle 7. At this time, the first rack 6 can mesh with the gear plate 134, and the longitudinal shaft 132 can drive the first drive bevel gear 131 and the second drive bevel gear 133 to rotate synchronously. The first drive bevel gear 131 can drive the first screw 82 with the first driven bevel gear 81 to rotate. When the first screw 82 rotates, it can drive the controller 83 to move to the side. When the controller 83 moves, its back... The back gear 15 can also mesh with the second rack 11 and rotate. The rotating back gear 15 can push the wire harness straightening component 86 to the side. When the drawer cabinet 4 is pulled out, the controller 83 can also move to the side. At the same time, the moving wire harness straightening component 86 can also automatically pull out multiple connectors 85. At this time, the staff can operate the controller 83 and connect some external structures to the connectors 85. After use, the control mechanism 8 is pushed back into the drawer cabinet 4, and each structure can automatically reset and be automatically stored.

[0050] This concealed pull-out design allows the cabinet to be pulled out when the control unit is needed, and the control unit can be automatically extended from the cabinet for easy operation. During the extension process, the cabinet also automatically organizes the connecting cables and pulls the connectors to appropriate positions for quick access. When the control unit is not in use, all components automatically reset when it is stored away, ensuring convenient operation. This design not only provides comprehensive and stable protection for the core control unit but also expands the operating space during use, avoiding the confined space of the equipment and greatly improving the practical application effect of the control box.

[0051] Please see Figure 9 The magnetic poles of the first magnetic wire harness plate 863 and the second magnetic wire harness plate 865 are different. A second rack 11 is fixedly installed on one inner wall of the pull-out cabinet 4. The back gear 15 meshes with the second rack 11 and the moving rack 862. Several wire harnesses are provided on the side wall of the wire harness seat 84 and pass through several wire harness slots 861.

[0052] Furthermore: During wiring, the first magnetic wire harness clamp 863 is moved upward to pass the wire harness connector 85 through the wire harness slot 861, and then the first magnetic wire harness clamp 863 is released directly. Due to the magnetic attraction between the first magnetic wire harness clamp 863 and the second magnetic wire harness clamp 865, the two can quickly attract and combine. Each set of the first magnetic wire harness clamp 863 and the second magnetic wire harness clamp 865 can be modularly disassembled and assembled according to requirements, making the operation convenient and quick. When the equipment is in use, after the pull-out cabinet 4 is pulled out, the controller 83 can also be moved out to the side, allowing the operator to control the controller 83. At the same time, when the controller 83 is pulled out, the circuit breaker 89 can also automatically pop out, facilitating operation by the operator. The overall equipment is simple and convenient to operate.

[0053] Please see Figure 7 and 11 The cleaning assembly 12 includes a second screw 122 and a movable housing 123. The second screw 122 is rotatably mounted on the inner wall of one side of the pull-out cabinet 4. A second driven bevel gear 121 is fixedly mounted on the outside of the second screw 122. The movable housing 123 is threaded onto the outside of the second screw 122. The bottom of the movable housing 123 is provided with two plate slots. A mounting bracket 127 is movably mounted in each of the two plate slots through an inner spring 128. A mounting shaft 125 is rotatably mounted between the two mounting brackets 127. A cleaning brush 124 is fixedly mounted on the outside of the mounting shaft 125. The bottom end of the cleaning brush 124 is in close contact with the top surface of the dust removal inclined seat 14. Torque springs 126 are provided on the outside of both ends of the mounting shaft 125. One end of the torsion spring 126 is fixedly connected to the side wall of the mounting bracket 127.

[0054] Furthermore, during the automatic discharge process of the control mechanism 8, the synchronously rotating second drive bevel gear 133 can also drive the second screw 122 with the second driven bevel gear 121 to rotate. The second screw 122 can drive the movable housing 123 on it to move laterally, thereby driving the cleaning brush 124 to scrape on the dust discharge inclined seat 14. With the continuous movement of the movable housing 123, the cleaning brush 124 can continuously sweep the dust deposited on the dust discharge inclined seat 14 by the control mechanism 8 through the dust discharge hole. The accumulated dust can be cleaned once periodically by opening the magnetic baffle 10. The cleaning component 12 is designed to be adaptively telescopic, and the cleaning brush 124 can be adaptively raised and lowered according to the tilt of the dust discharge inclined seat 14 to ensure the cleaning effect of dust. The tilted dust discharge inclined seat 14 also facilitates the discharge of dust.

[0055] This design enables automatic collection of dust around the control mechanism 8, and automatic cleaning of the collected dust each time the control mechanism 8 is used, eliminating the need for additional cleaning and greatly improving the overall functionality and practical application effect of the equipment.

[0056] Working principle: The control mechanism 8 is cleverly designed as an automatic opening and closing storage type. When using the control box, the drawer cabinet 4 is pulled out directly by the handle 7. At this time, the first rack 6 can mesh with the gear plate 134, and the longitudinal shaft 132 can drive the first drive bevel gear 131 and the second drive bevel gear 133 to rotate synchronously. The first drive bevel gear 131 can drive the first screw 82 with the first driven bevel gear 81 to rotate. When the first screw 82 rotates, it can drive the controller 83 to move to the side. When the controller 83 moves, its back... The back gear 15 can also mesh with the second rack 11 to rotate. The rotating back gear 15 can push the wire harness straightening component 86 to the side. When the drawer cabinet 4 is pulled out, the controller 83 can also move to the side. At the same time, the moving wire harness straightening component 86 can also automatically pull out multiple connectors 85. At this time, the staff can operate the controller 83 and connect some external structures to the connectors 85. After use, the control mechanism 8 is pushed back into the drawer cabinet 4, and each structure can automatically reset and be automatically stored.

[0057] When threading the wires, first move the first magnetic wire harness clamp 863 upward to pass the wire harness connector 85 through the wire harness slot 861, and then directly release the first magnetic wire harness clamp 863. Due to the magnetic attraction between the first magnetic wire harness clamp 863 and the second magnetic wire harness clamp 865, the two can quickly attract and combine. Each set of the first magnetic wire harness clamp 863 and the second magnetic wire harness clamp 865 can be modularly disassembled and assembled according to requirements, making the operation convenient and quick. When the equipment is in use, after the pull-out cabinet 4 is pulled out, the controller 83 can also be moved out to the side. At this time, the staff can operate the controller 83. At the same time, when the controller 83 is pulled out, the circuit breaker 89 can also automatically pop out, which is convenient for the staff to operate.

[0058] During the automatic export process of the control mechanism 8, the synchronously rotating second drive bevel gear 133 can also drive the second screw 122 with the second driven bevel gear 121 to rotate. The second screw 122 can drive the movable housing 123 on it to move laterally, thereby driving the cleaning brush 124 to scrape on the dust discharge inclined seat 14. With the continuous movement of the movable housing 123, the cleaning brush 124 can continuously sweep the dust deposited on the dust discharge inclined seat 14 by the control mechanism 8 through the dust discharge hole. The accumulated dust can be cleaned once periodically by opening the magnetic baffle 10. The cleaning component 12 is designed to be adaptively telescopic. The cleaning brush 124 can be adaptively raised and lowered according to the tilt of the dust discharge inclined seat 14 to ensure the cleaning effect of dust. The tilted dust discharge inclined seat 14 also facilitates the discharge of dust.

[0059] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A photovoltaic grid-connected control box, comprising a chassis (1), characterized in that: The upper and middle parts of the chassis (1) are provided with an anti-islanding control area (2) and a metering area (3). The interior of the chassis (1) is provided with a pull-out groove (5). A first rack (6) is fixedly installed horizontally inside the pull-out groove (5). A pull-out cabinet (4) is slidably installed inside the pull-out groove (5). A handle (7) is fixedly installed on the outer surface of the pull-out cabinet (4). An inner partition (9) is fixedly installed inside the pull-out cabinet (4). A control mechanism (8) for grid connection control is movably installed on the inner partition (9). A dust removal inclined seat (14) is fixedly installed on the inner wall of the bottom surface of the pull-out cabinet (4). A magnetic baffle (10) is rotatably installed on one side of the pull-out cabinet (4) near the end of the dust removal inclined seat (14) via a rotating shaft. A cleaning component (12) for cleaning dust is movably installed on the dust removal inclined seat (14). The inner partition (9) has a rotating hole and several dust removal holes inside. A transmission component (13) is rotatably installed in the rotating hole. The transmission component (13) is used for the stable drive of the control mechanism (8) and the cleaning component (12). The control mechanism (8) includes a first screw (82). With the controller (83), the first screw (82) is rotatably mounted on the inner wall of one side of the pull-out cabinet (4). A first driven bevel gear (81) is fixedly mounted on the outside of the first screw (82). The controller (83) is threaded onto the outside of the first screw (82). The controller (83) is slidably mounted on the guide rail provided on the inner partition (9). A back gear (15) is rotatably mounted on the outer wall of one side of the controller (83) via a rotating shaft. A side groove (87) is provided on one side of the controller (83). A circuit breaker (89) is movably mounted inside the side groove (87) via a side push spring (88). A fixed... A wire harness holder (84) and a cross guide rail are installed. Several connectors (85) are connected to one outer wall of the wire harness holder (84) through several wire harnesses. A wire harness straightening assembly (86) is slidably installed on the cross guide rail. The wire harness straightening assembly (86) includes a movable rack (862). The movable rack (862) is slidably installed on the cross guide rail through a cross groove (866) provided on one side. A second magnetic wire harness clamping plate (865) is fixedly installed on the top surface of the movable rack (862). Two limiting pins (864) are fixedly installed on the top surface of the second magnetic wire harness clamping plate (865). A first magnetic... The magnetic wire harness holder (863) and the second magnetic wire harness holder (865) are provided with multiple wire harness slots (861). The first magnetic wire harness holder (863) and the second magnetic wire harness holder (865) have the same specifications. The magnetic poles of the first magnetic wire harness holder (863) and the second magnetic wire harness holder (865) are different. A second rack (11) is fixedly installed on one side of the inner wall of the pull-out cabinet (4). The back gear (15) meshes with the second rack (11) and the moving rack (862). Several wire harnesses are provided on the side wall of the wire harness seat (84) and pass through several wire harness slots (861).

2. The photovoltaic grid-connected control box according to claim 1, characterized in that, The cleaning assembly (12) includes a second screw (122) and a movable housing (123). The second screw (122) is rotatably mounted on the inner wall of one side of the drawer cabinet (4). A second driven bevel gear (121) is fixedly mounted on the outside of the second screw (122). The movable housing (123) is threaded onto the outside of the second screw (122).

3. The photovoltaic grid-connected control box according to claim 2, characterized in that, The bottom of the movable housing (123) is provided with two plate slots. In each of the two plate slots, an mounting bracket (127) is movably installed through an inner spring (128). An mounting shaft (125) is rotatably installed between the two mounting brackets (127). A cleaning brush (124) is fixedly installed on the outside of the mounting shaft (125). The bottom end of the cleaning brush (124) is in close contact with the top surface of the dust removal inclined seat (14). Torsion springs (126) are provided on the outside of both ends of the mounting shaft (125). One end of the torsion spring (126) is fixedly connected to the side wall of the mounting bracket (127).

4. The photovoltaic grid-connected control box according to claim 3, characterized in that, The transmission assembly (13) includes a longitudinal shaft (132), which is rotatably mounted in the rotating hole of the inner partition (9) via a rotating rib. A first driving bevel gear (131) and a second driving bevel gear (133) are fixedly mounted at both ends of the longitudinal shaft (132). The first driving bevel gear (131) is meshed with the first driven bevel gear (81), and the second driving bevel gear (133) is meshed with the second driven bevel gear (121). A gear disk (134) is fixedly mounted on the outside of the longitudinal shaft (132), and the gear disk (134) is meshed with the first rack (6).

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