Low-delay fluctuation frequency converter

Abstract

The utility model belongs to the technical field of frequency converters, and particularly relates to a low-delay fluctuation frequency converter which comprises a shell, a function box is fixedly mounted on the inner wall of the bottom of the shell, a bidirectional mechanism is arranged in the function box, two seat holes are formed in the top of the function box, and a clamping mechanism is arranged at the top of the function box; a frequency converter body is arranged at the top of the function box, a rotating mechanism is arranged between the function box and the shell, a protective door is arranged on the front side of the shell, an observation window is arranged on the protective door, a lock catch mechanism is arranged between the protective door and the shell, and a hinge is arranged between the protective door and the shell. The design is reasonable, the purpose of conveniently disassembling and assembling the frequency converter body can be achieved through the arrangement of the bidirectional mechanism and the clamping mechanism, then the purpose of conveniently overhauling and maintaining the frequency converter body can be achieved, the protective door can be locked or released through the arrangement of the buckle mechanism, and the safety of the frequency converter is improved. The purpose of opening or closing the protective door can be achieved.

Description

Technical Field

[0001] The present application relates to the technical field of frequency converters, and in particular to a low-delay fluctuation frequency converter. Background Art

[0002] Variable-frequency Drive (VFD) 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. With the continuous improvement of industrial automation, frequency converters have also been widely used.

[0003] At present, a low-delay fluctuation frequency converter is disclosed in the Chinese patent announcement with the announcement number CN213907137U, including a main frequency converter, a dustproof mechanism frequency converter movably installed on one side of the main frequency converter, a revolving door frequency converter included in the dustproof mechanism frequency converter, a first card slot frequency converter opened on one side of the revolving door frequency converter, a push plate frequency converter movably installed inside the first card slot frequency converter, a second card slot frequency converter opened on one side of the main frequency converter near the edge, and a second card fast frequency converter fixedly installed on one side of the revolving door frequency converter near the edge. This low-delay fluctuation frequency converter can cover the entire operation panel through the dustproof mechanism, and when not in use, the dustproof mechanism can prevent dust from falling on the operation panel, further ensuring the cleanliness of the operation panel and reducing the difficulty in using the operation panel due to dust accumulation.

[0004] In actual use, it is found that the inverter is protected by a shell in the existing device, but it is inconvenient to install and disassemble the inverter, which makes it inconvenient to inspect and maintain the inverter. Therefore, we propose a low-delay fluctuation inverter to solve the above problem. Utility Model Content

[0005] The purpose of the present application is to solve the shortcomings of the prior art: the frequency converter cannot be conveniently disassembled and assembled, resulting in inconvenience in repairing and maintaining the frequency converter, and to propose a low-delay fluctuation frequency converter.

[0006] In order to achieve the above purpose, this application adopts the following technical solutions:

[0007] A low-delay fluctuation frequency converter comprises a shell, a function box is fixedly mounted on the inner wall of the bottom of the shell, a two-way mechanism is arranged in the function box, two seat holes are arranged on the top of the function box, and a clamping mechanism is arranged on the top of the function box; a frequency converter body is arranged on the top of the function box, a rotating mechanism is arranged between the function box and the shell, a protective door is arranged on the front side of the shell, an observation window is arranged on the protective door, a locking mechanism is arranged between the protective door and the shell, a hinge is arranged between the protective door and the shell, and the hinge is located below the observation window.

[0008] Preferably, the bidirectional mechanism includes a bidirectional screw and two screw seats. The same bidirectional screw is rotatably installed on the inner walls of both sides of the function box. Two screw seats are provided on the threaded sleeve of the bidirectional screw. The screw seats are adapted to the corresponding seat holes. A sliding mechanism is arranged between the screw seats and the function box.

[0009] Preferably, the sliding mechanism includes two sliding blocks and two sliding grooves. The bottom of the screw seat is provided with a sliding block, and the bottom inner wall of the function box is provided with two sliding grooves. The sliding block is slidably connected with the corresponding sliding grooves.

[0010] Preferably, the clamping mechanism includes two clamping seats and two clamping pads, the two clamping seats are slidably installed on the top of the function box, the bottom of the clamping seat is fixedly connected to the top of the screw seat, and clamping pads are provided on the adjacent sides of the two clamping seats, and the clamping pads are adapted to the inverter body.

[0011] Preferably, the rotating mechanism includes a rotating rod, a rotating wheel and a limiting screw. The rotating rod is rotatably installed at the bottom of the shell, the top of the rotating rod extends into the function box, the bottom end of the rotating rod is fixed with a rotating wheel, the bottom of the rotating wheel is threadedly installed with a limiting screw, the top of the limiting screw passes through the rotating wheel, a limiting mechanism is arranged on the limiting screw, and a gearing mechanism is arranged between the rotating rod and the bidirectional screw.

[0012] Preferably, the limiting mechanism comprises a limiting block and a knob, the limiting block is fixedly mounted on the top of the limiting screw, the limiting block is located above the rotating wheel, the top of the limiting block is matched with the bottom of the shell, and the bottom of the limiting screw is provided with a knob.

[0013] Preferably, the gear mechanism comprises two conical wheels, the rotating rod and the bidirectional screw are both fixedly sleeved with conical wheels, the conical wheels are located between the two screw seats, and the two conical wheels are meshed with each other.

[0014] Preferably, the locking mechanism includes a buckle and a post. The protective door is rotatably mounted with a buckle on the front side, the buckle is located above the observation window, and a post is provided on the front side of the shell, the post is located above the protective door, and the buckle and the post are adapted to each other.

[0015] Beneficial effects of this application:

[0016] 1. Through the cooperation of the limit screw, the rotating wheel, the rotating rod, the two conical wheels, the bidirectional screw, the two screw seats, the two clamping seats and the two clamping pads, the limit screw is held to shake the rotating wheel, so that the two clamping pads can be driven to move toward or away from each other, so that the inverter body can be clamped, fixed or released by the two clamping pads, so that the inverter body can be conveniently disassembled and assembled, and the inverter body can be conveniently inspected and maintained;

[0017] 2. Through the cooperation of the knob, the limit screw and the limit block, the knob can be turned clockwise to drive the limit block to move upward, so that the limit block and the housing can be squeezed and limited, so that the rotation of the rotating wheel can be avoided and the purpose of limiting the rotating rod can be achieved;

[0018] 3. Through the cooperation between the buckle and the clamping column, by rotating the buckle clockwise or counterclockwise, the buckle and the clamping column can be released or clamped, the protective door can be locked or released, and the protective door can be opened or closed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the three-dimensional structure of a low-delay fluctuation frequency converter proposed in this application;

[0020] Figure 2 This is a schematic diagram of the main cross-sectional structure of a low-delay fluctuation frequency converter proposed in this application;

[0021] Figure 3 This is a schematic diagram of the structure of part A of a low-delay fluctuation frequency converter proposed in this application;

[0022] Figure 4 This is a schematic diagram of the structure of part B of a low-delay fluctuation frequency converter proposed in this application;

[0023] Figure 5 This is a schematic diagram of the locking mechanism structure of a low-delay fluctuation inverter proposed in this application.

[0024] In the figure: 1. Shell; 2. Function box; 3. Bidirectional screw; 4. Screw seat; 5. Clamping seat; 6. Clamping pad; 7. Inverter body; 8. Seat hole; 9. Slider; 10. Slide; 11. Rotating rod; 12. Rotating wheel; 13. Limiting screw; 14. Limiting block; 15. Knob; 16. Conical wheel; 17. Protective door; 18. Observation window; 19. Hinge; 20. Buckle; 21. Clamping column. DETAILED DESCRIPTION

[0025] The technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments of the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

[0026] Reference Figure 1-5A low-delay fluctuation frequency converter comprises a shell 1, a function box 2 is fixedly installed on the inner wall of the bottom of the shell 1, a two-way mechanism is arranged in the function box 2, two seat holes 8 are opened on the top of the function box 2, and a clamping mechanism is arranged on the top of the function box 2; a frequency converter body 7 is arranged on the top of the function box 2, a rotating mechanism is arranged between the function box 2 and the shell 1, a protective door 17 is arranged on the front side of the shell 1, an observation window 18 is arranged on the protective door 17, a locking mechanism is arranged between the protective door 17 and the shell 1, a hinge 19 is arranged between the protective door 17 and the shell 1, and the hinge 19 is located below the observation window 18.

[0027] In this embodiment, the bidirectional mechanism includes a bidirectional screw 3 and two screw seats 4. The same bidirectional screw 3 is rotatably installed on the inner walls of both sides of the function box 2. Two screw seats 4 are provided on the threaded sleeve of the bidirectional screw 3. The screw seats 4 are adapted to the corresponding seat holes 8. A sliding mechanism is arranged between the screw seats 4 and the function box 2. By providing the bidirectional mechanism, the bidirectional screw 3 can drive the two screw seats 4 to move toward or away from each other, thereby achieving the purpose of driving the two clamping seats 5 to move toward or away from each other.

[0028] In this embodiment, the sliding mechanism includes two sliders 9 and two slide grooves 10. The slider 9 is arranged at the bottom of the screw seat 4, and two slide grooves 10 are provided on the inner wall at the bottom of the functional box 2. The slider 9 is slidably connected with the corresponding slide grooves 10. By providing the sliding mechanism, the screw seat 4 can move more smoothly when moving left and right.

[0029] In this embodiment, the clamping mechanism includes two clamping seats 5 and two clamping pads 6. The two clamping seats 5 are slidably installed on the top of the function box 2. The bottom of the clamping seat 5 is fixedly connected to the top of the screw seat 4. The adjacent sides of the two clamping seats 5 are each provided with a clamping pad 6. The clamping pad 6 is adapted to the inverter body 7. By providing a clamping mechanism, the two clamping seats 5 can drive the two clamping pads 6 to move toward or away from each other, thereby achieving the purpose of clamping, fixing or releasing the inverter body 7 through the two clamping pads 6.

[0030] In this embodiment, the rotating mechanism includes a rotating rod 11, a rotating wheel 12 and a limiting screw 13. The rotating rod 11 is rotatably installed at the bottom of the shell 1, and the top of the rotating rod 11 extends into the function box 2. The bottom end of the rotating rod 11 is fixedly sleeved with a rotating wheel 12. The bottom of the rotating wheel 12 is threadedly installed with a limiting screw 13. The top of the limiting screw 13 passes through the rotating wheel 12. A limiting mechanism is arranged on the limiting screw 13. A gear mechanism is arranged between the rotating rod 11 and the bidirectional screw 3. By providing a rotating mechanism, the limiting screw 13 is held to shake the rotating wheel 12, so as to achieve the purpose of driving the rotating rod 11 to rotate.

[0031] In this embodiment, the limiting mechanism includes a limiting block 14 and a knob 15. The limiting block 14 is fixedly installed on the top of the limiting screw 13. The limiting block 14 is located above the rotating wheel 12. The top of the limiting block 14 is adapted to the bottom of the shell 1. The bottom of the limiting screw 13 is provided with a knob 15. By setting up the limiting mechanism, rotating the knob 15 clockwise can drive the limiting block 14 to move spirally upward, thereby achieving the purpose of extrusion limiting by the limiting block 14 and the shell 1.

[0032] In this embodiment, the gear mechanism includes two conical wheels 16. The conical wheels 16 are fixedly mounted on the rotating rod 11 and the bidirectional screw 3. The conical wheels 16 are located between the two screw seats 4. The two conical wheels 16 are meshed with each other. By providing a gear mechanism, the rotating rod 11 can drive the bidirectional screw 3 to rotate.

[0033] In this embodiment, the locking mechanism includes a buckle 20 and a column 21. The buckle 20 is rotatably installed on the front side of the protective door 17, and the buckle 20 is located above the observation window 18. The column 21 is provided on the front side of the shell 1, and the column 21 is located above the protective door 17. The buckle 20 is adapted to the column 21. By providing a locking mechanism, the buckle 20 can be rotated clockwise or counterclockwise to release or engage the buckle 20 and the column 21, so that the protective door 17 can be locked or released, and the protective door 17 can be opened or closed.

[0034] In the present application, when the inverter body 7 needs to be disassembled and assembled, the rotating wheel 12 is first shaken by holding the limit screw 13, which can drive the rotating rod 11 to rotate, and the two-way screw 3 can be driven to rotate through the two conical wheels 16, which can drive the two screw seats 4 to move toward or away from each other, and can drive the two clamping seats 5 to move toward or away from each other. The side, can drive the two clamping pads 6 to move toward or away from each other, and the inverter body 7 can be clamped and fixed or released by the two clamping pads 6, which can realize the inverter. The main body 7 can be conveniently disassembled and assembled, so as to facilitate the inspection and maintenance of the inverter body 7. By rotating the knob 15 clockwise, the limit block 14 can be driven to move upward in a spiral, so that the limit block 14 and the shell 1 can be squeezed and limited, so that the rotation of the rotating wheel 12 can be prevented, and the purpose of limiting the rotating rod 11 can be achieved. By rotating the buckle 20 clockwise or counterclockwise, the buckle 20 and the column 21 can be released or connected, so that the protective door 17 can be locked or released, and the protective door 17 can be opened or closed.

[0035] The above descriptions are merely embodiments of the present application and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A low-delay fluctuation frequency converter, characterized in that: It comprises a shell (1), a function box (2) is fixedly mounted on the inner wall of the bottom of the shell (1), a two-way mechanism is arranged inside the function box (2), two seat holes (8) are arranged on the top of the function box (2), and a clamping mechanism is arranged on the top of the function box (2); A frequency converter body (7) is arranged on the top of the function box (2); a rotating mechanism is arranged between the function box (2) and the housing (1); a protective door (17) is arranged on the front side of the housing (1); an observation window (18) is arranged on the protective door (17); a locking mechanism is arranged between the protective door (17) and the housing (1); a hinge (19) is arranged between the protective door (17) and the housing (1); and the hinge (19) is located below the observation window (18).

2. A low-delay fluctuation frequency converter according to claim 1, characterized in that: The bidirectional mechanism comprises a bidirectional screw (3) and two screw seats (4); the inner walls on both sides of the function box (2) are rotatably mounted with the same bidirectional screw (3); two screw seats (4) are threadedly sleeved on the bidirectional screw (3); the screw seats (4) are matched with corresponding seat holes (8); and a sliding mechanism is arranged between the screw seats (4) and the function box (2).

3. A low-delay fluctuation frequency converter according to claim 2, characterized in that: The sliding mechanism comprises two sliding blocks (9) and two sliding grooves (10); the bottom of the screw seat (4) is provided with a sliding block (9); the bottom inner wall of the functional box (2) is provided with two sliding grooves (10); the sliding block (9) is slidably connected with the corresponding sliding grooves (10).

4. A low-delay fluctuation frequency converter according to claim 1, characterized in that: The clamping mechanism comprises two clamping seats (5) and two clamping pads (6); the two clamping seats (5) are slidably mounted on the top of the function box (2); the bottom of the clamping seat (5) is fixedly connected to the top of the screw seat (4); a clamping pad (6) is provided on one side adjacent to the two clamping seats (5); and the clamping pad (6) is adapted to the inverter body (7).

5. A low-delay fluctuation frequency converter according to claim 1, characterized in that: The rotating mechanism comprises a rotating rod (11), a rotating wheel (12) and a limiting screw (13); the rotating rod (11) is rotatably mounted at the bottom of the housing (1); the top end of the rotating rod (11) extends into the function box (2); the bottom end of the rotating rod (11) is fixedly sleeved with a rotating wheel (12); the bottom of the rotating wheel (12) is threadedly mounted with a limiting screw (13); the top end of the limiting screw (13) passes through the rotating wheel (12); a limiting mechanism is arranged on the limiting screw (13); and a gear mechanism is arranged between the rotating rod (11) and the bidirectional screw (3).

6. A low-delay fluctuation frequency converter according to claim 5, characterized in that: The limiting mechanism comprises a limiting block (14) and a rotating knob (15); the limiting block (14) is fixedly mounted on the top end of the limiting screw (13); the limiting block (14) is located above the rotating wheel (12); the top of the limiting block (14) is matched with the bottom of the housing (1); and the bottom end of the limiting screw (13) is provided with a rotating knob (15).

7. A low-delay fluctuation frequency converter according to claim 5, characterized in that: The gear mechanism comprises two conical wheels (16). The rotating rod (11) and the bidirectional screw (3) are both fixedly sleeved with conical wheels (16). The conical wheels (16) are located between the two screw seats (4), and the two conical wheels (16) are meshed with each other.

8. The low-delay fluctuation frequency converter according to claim 1, characterized in that: The locking mechanism comprises a buckle (20) and a clamping column (21); the buckle (20) is rotatably mounted on the front side of the protective door (17); the buckle (20) is located above the observation window (18); the housing (1) is provided with a clamping column (21) on the front side; the clamping column (21) is located above the protective door (17); the buckle (20) and the clamping column (21) are matched.

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