Frequency converter control cabinet convenient to debug and overhaul

Abstract

The utility model relates to the technical field of frequency converter control cabinets, and discloses a frequency converter control cabinet convenient to debug and overhaul, which comprises an upper meter box, a frequency converter control cabinet main body and a ventilation box, an installation back plate is fixed at the back end in the frequency converter control cabinet main body, and a label block is installed at the other side, close to a limiting groove, of the front end of a limiting plate. According to the utility model, the installation backboard is installed at the back end of the frequency converter control cabinet main body, at the moment, the frequency converter assembly is installed at the front end of the installation backboard, insulation protection is carried out by the insulation layer, then the connection cloth is blocked at the front end of the limiting groove, and connection is completed through cooperation of the preformed groove and the connection bolt. And the side edge of each limiting groove is provided with one label block, the label blocks can collectively mark the lines in each limiting groove, and workers can find the lines in the corresponding limiting grooves according to the marks of the label blocks during maintenance, so that the overall maintenance convenience is better improved in the working process.

Description

Technical Field

[0001] The utility model relates to the technical field of frequency converter control cabinets, in particular to a frequency converter control cabinet which is convenient for debugging and maintenance. Background Art

[0002] The inverter is a power control device that uses frequency conversion technology and microelectronics technology to control AC motors by changing the frequency of the motor's working power supply. The inverter control cabinet is also the supporting facility of the inverter. The inverter control cabinet is a device used for motor operation control and can be widely used in metallurgy, chemical industry, water supply, motor industry and other fields.

[0003] The inverter control cabinet is generally equipped with a variety of electrical components. After the electrical components are arranged in the inverter control cabinet, various wiring conditions will be required. The messy distribution of lines will easily affect the convenience of debugging and maintenance, making it difficult for staff to find the problematic lines in time for maintenance, affecting maintenance efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a frequency converter control cabinet which is convenient for debugging and maintenance, so as to solve the problem proposed in the above background technology that after the electrical components are arranged in the frequency converter control cabinet, various wiring processes are required, and the messy distribution of the lines can directly affect the convenience of the debugging and maintenance process, making it difficult for the staff to find the problematic lines in time for maintenance, thus affecting the maintenance efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a frequency converter control cabinet that is easy to debug and maintain, comprising an upper table box, a frequency converter control cabinet body, and a ventilation box, a mounting back plate is fixed to the back end of the frequency converter control cabinet body, a frequency converter assembly is installed on the front end of the mounting back plate, mounting plates are installed at positions near the bottom on both sides of the inner wall of the frequency converter control cabinet body, limiting plates are installed between the mounting plates, limiting grooves are provided inside the limiting plates, an insulating layer is fixed to the inner wall of the limiting grooves, a connecting cloth is installed at the front end of the limiting plate, a reserved groove is provided inside one side of the connecting cloth, a connecting bolt is installed on the side of the front end of the limiting plate close to the limiting groove, and a label block is installed on the other side of the front end of the limiting plate close to the limiting groove.

[0006] Preferably, the mounting plates are symmetrically distributed about the central axis of the limiting plate, and the limiting grooves are evenly distributed inside the limiting plate.

[0007] Preferably, the label blocks are evenly distributed at the front end of the limiting plate, and the positions of the label blocks and the limiting grooves correspond one to one.

[0008] Preferably, a connecting piece is installed between the upper meter box and the inverter control cabinet body, and the connecting piece is symmetrically distributed about the central axis of the inverter control cabinet body.

[0009] Preferably, a second inspection door is installed at the front end of the ventilation box, an observation window is fixed inside the front end of the second inspection door, and a first inspection door is installed at the front end of the inverter control cabinet body.

[0010] Preferably, a small motor is installed on one side of the ventilation box, the output end of the small motor is connected to a transmission rod, a connecting plate is installed inside the ventilation box, the bottom end of the connecting plate is connected to a transmission column, and the top end of the connecting plate is connected to a fan blade.

[0011] Preferably, an outer wall of the transmission column is fixed with external teeth, a pinion is connected to one side of the transmission rod, a meshing connection is formed between the pinion and the external teeth, and a filter plate is installed at the bottom end of the inner wall of the inverter control cabinet body.

[0012] Preferably, an exhaust pipe is installed at a position near the top of one side of the inverter control cabinet body, a main filter plate is installed inside the exhaust pipe, a center plate is fixed at the middle position of the main filter plate, a small motor is installed inside the center plate, and the output end of the small motor is connected to a cleaning plate.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the inverter control cabinet that is easy to debug and repair not only improves the convenience of maintenance, but also improves the ventilation capacity and filtering capacity of the inverter control cabinet;

[0014] (1) By installing the mounting back plate at the back end of the inverter control cabinet body, the inverter assembly is installed at the front end of the mounting back plate, and the mounting plate is used to complete the connection and installation of the limit plate. Therefore, the lines of different electrical components pass through different limit slots and are insulated by the insulating layer. Then, the connection cloth is blocked at the front end of the limit slot, and the connection is completed by the reserved slot and the connecting bolt. Each limit slot is equipped with a label block on the side. The label block can collectively mark the lines in each limit slot. When the staff is inspecting, they can find the lines in the corresponding limit slot according to the label block, and then perform maintenance, thereby improving the overall maintenance convenience during the work process;

[0015] (2) By installing the exhaust pipe near the top of one side of the inverter control cabinet body, the small motor can drive the transmission rod to rotate after it starts working. At this time, the small gear on the side of the transmission rod rotates accordingly, so the outer gear cooperates with it to drive the transmission column to rotate accordingly. At this time, the fan blades rotate to form airflow, which is filtered through the air outlet and the filter plate to reach the inside of the inverter control cabinet body for ventilation, and finally exhausts at the position of the exhaust pipe, thereby improving the overall ventilation capacity during the working process;

[0016] (3) By installing the main filter plate inside the exhaust pipe, when the exhaust pipe is in exhaust operation, the exhaust is filtered and discharged through the main filter plate, and a center plate is fixed at the middle position inside the main filter plate. After the small motor in the center plate works, it can drive the cleaning plate to rotate. At this time, the cleaning plate can clean the filter surface of the main filter plate, thereby better improving the overall filtering and exhaust capacity during the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

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

[0019] Figure 3 It is a partial front view structural diagram of the limiting plate of the utility model;

[0020] Figure 4 It is a schematic diagram of a partial front cross-sectional structure of an exhaust pipe of the present utility model.

[0021] In the figure: 1. upper meter box; 2. inverter control cabinet body; 3. installation back plate; 4. exhaust pipe; 5. ventilation box; 6. external teeth; 7. small motor; 8. transmission rod; 9. transmission column; 10. connecting plate; 11. fan blade; 12. filter plate; 13. limit plate; 14. inverter assembly; 15. connecting piece; 16. first inspection door; 17. second inspection door; 18. observation window; 19. installation plate; 20. limit groove; 21. reserved groove; 22. connecting bolt; 23. insulation layer; 24. connecting cloth; 25. label block; 26. main filter plate; 27. cleaning plate; 28. small motor; 29. ​​center plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides an embodiment: a frequency converter control cabinet that is easy to debug and repair, including an upper table box 1, a frequency converter control cabinet body 2, and a ventilation box 5. A mounting back plate 3 is fixed to the back end of the frequency converter control cabinet body 2, and a frequency converter assembly 14 is installed at the front end of the mounting back plate 3. Mounting plates 19 are installed at positions near the bottom end on both sides of the inner wall of the frequency converter control cabinet body 2, and limiting plates 13 are installed between the mounting plates 19. A limiting groove 20 is provided inside the limiting plate 13, and an insulating layer 23 is fixed to the inner wall of the limiting groove 20. A connecting cloth 24 is installed at the front end of the limiting plate 13, and a reserved groove 21 is provided inside one side of the connecting cloth 24. A connecting bolt 22 is installed on one side of the front end of the limiting plate 13 near the limiting groove 20, and a label block 25 is installed on the other side of the front end of the limiting plate 13 near the limiting groove 20.

[0024] The mounting plates 19 are symmetrically distributed about the central axis of the limiting plate 13 , and the limiting grooves 20 are evenly distributed inside the limiting plate 13 .

[0025] The label blocks 25 are evenly distributed at the front end of the limiting plate 13 , and the positions of the label blocks 25 and the limiting grooves 20 correspond one to one.

[0026] A connecting piece 15 is installed between the upper meter box 1 and the inverter control cabinet body 2 , and the connecting piece 15 is symmetrically distributed about the central axis of the inverter control cabinet body 2 .

[0027] A second inspection door 17 is installed at the front end of the ventilation box 5 , an observation window 18 is fixed inside the front end of the second inspection door 17 , and a first inspection door 16 is installed at the front end of the inverter control cabinet body 2 .

[0028] A small motor 7 is installed on one side of the ventilation box 5, and a transmission rod 8 is connected to the output end of the small motor 7. A connecting plate 10 is installed inside the ventilation box 5, and a transmission column 9 is connected to the bottom end of the connecting plate 10, and a fan blade 11 is connected to the top end of the connecting plate 10.

[0029] An outer wall of the transmission column 9 is fixed with an external tooth 6 , one side of the transmission rod 8 is connected with a pinion gear, and a meshing connection is formed between the pinion gear and the external tooth 6 , and a filter plate 12 is installed at the bottom end of the inner wall of the inverter control cabinet body 2 .

[0030] An exhaust pipe 4 is installed near the top of one side of the inverter control cabinet body 2, a main filter plate 26 is installed inside the exhaust pipe 4, a center plate 29 is fixed at the middle of the main filter plate 26, a small motor 28 is installed inside the center plate 29, and a cleaning plate 27 is connected to the output end of the small motor 28;

[0031] Furthermore, an observation window 18 is installed on the end face of the second inspection door 17, and the staff can directly observe the working transmission status in the ventilation box 5 through the observation window 18, which is convenient for the staff to carry out maintenance work in time.

[0032] Working principle: First, during operation, the mounting back plate 3 is installed at the back end of the inverter control cabinet body 2. At this time, the inverter assembly 14 is installed at the front end of the mounting back plate 3. The mounting plate 19 is used to complete the connection and installation of the limit plate 13. The lines of different electrical components pass through different limit slots 20, and are insulated and protected by the insulating layer 23. Then, the connecting cloth 24 is blocked at the front end of the limit slot 20. The connection is completed by using the reserved slot 21 and the connecting bolt 22. Each limit slot 20 is equipped with a label block 25 on the side. The label block 25 can collectively mark the lines in each limit slot 20. When the staff is performing maintenance, they can find the corresponding lines in the limit slot 20 according to the markings on the label block 25, and then the staff can complete the maintenance work.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A frequency converter control cabinet convenient for debugging and maintenance, comprising an upper meter box (1), a frequency converter control cabinet body (2), and a ventilation box (5), characterized in that: A mounting back plate (3) is fixed to the back end of the inverter control cabinet body (2), and a inverter assembly (14) is mounted on the front end of the mounting back plate (3). Mounting plates (19) are mounted on both sides of the inner wall of the inverter control cabinet body (2) near the bottom end. A limiting plate (13) is mounted between the mounting plates (19). A limiting groove (20) is provided inside the limiting plate (13), and an insulating layer (23) is fixed to the inner wall of the limiting groove (20). A connecting cloth (24) is mounted on the front end of the limiting plate (13), and a reserved groove (21) is provided inside one side of the connecting cloth (24). A connecting bolt (22) is mounted on one side of the front end of the limiting plate (13) near the limiting groove (20), and a label block (25) is mounted on the other side of the front end of the limiting plate (13) near the limiting groove (20).

2. The inverter control cabinet that is easy to debug and repair according to claim 1 is characterized in that: The mounting plates (19) are symmetrically distributed about the central axis of the limiting plate (13), and the limiting grooves (20) are evenly distributed inside the limiting plate (13).

3. The inverter control cabinet that is easy to debug and repair according to claim 1 is characterized in that: The label blocks (25) are evenly distributed at the front end of the limiting plate (13), and the positions of the label blocks (25) and the limiting grooves (20) correspond one to one.

4. The inverter control cabinet that is easy to debug and repair according to claim 1 is characterized in that: A connecting piece (15) is installed between the upper meter box (1) and the frequency converter control cabinet body (2), and the connecting piece (15) is symmetrically distributed about the central axis of the frequency converter control cabinet body (2).

5. The inverter control cabinet that is easy to debug and repair according to claim 1 is characterized in that: A second inspection door (17) is installed at the front end of the ventilation box (5), an observation window (18) is fixed inside the front end of the second inspection door (17), and a first inspection door (16) is installed at the front end of the inverter control cabinet body (2).

6. The inverter control cabinet that is easy to debug and repair according to claim 1 is characterized in that: A small motor (7) is installed on one side of the ventilation box (5), and the output end of the small motor (7) is connected to a transmission rod (8). A connecting plate (10) is installed inside the ventilation box (5), and the bottom end of the connecting plate (10) is connected to a transmission column (9), and the top end of the connecting plate (10) is connected to a fan blade (11).

7. The inverter control cabinet that is easy to debug and repair according to claim 6 is characterized in that: An outer wall of the transmission column (9) is fixed with an external tooth (6), one side of the transmission rod (8) is connected with a pinion gear, a meshing connection is formed between the pinion gear and the external tooth (6), and a filter plate (12) is installed at the bottom end of the inner wall of the inverter control cabinet body (2).

8. The inverter control cabinet that is easy to debug and repair according to claim 1 is characterized in that: An exhaust pipe (4) is installed at a position close to the top of one side of the inverter control cabinet body (2), a main filter plate (26) is installed inside the exhaust pipe (4), a center plate (29) is fixed at the middle position of the main filter plate (26), a small motor (28) is installed inside the center plate (29), and the output end of the small motor (28) is connected to a cleaning plate (27).

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