High protection type frequency converter

Abstract

The utility model relates to the technical field of electric power control equipment, and discloses a high protection type frequency converter, which comprises an electric power frequency converter, a bottom frame and a top frame, the middle part of the bottom end and the middle part of the top end of the electric power frequency converter are respectively welded with a clamping seat I, the two clamping seats I are respectively connected with a rubber block in a clamping way, the two rubber blocks are respectively connected with a clamping seat II in a clamping way; the two second clamping seats are welded to the middle of the top end of the bottom frame and the middle of the bottom end of the top frame correspondingly, and stop rods are welded to the four corners of the top end of the bottom frame correspondingly. The rubber blocks and the rubber strips can be supported through the bottom frame, the stop rods and the top frame, the power frequency converter can be protected, the surface of the power frequency converter can be prevented from being collided, the rubber blocks can vertically limit the power frequency converter through the first clamping bases, and the rubber strips can horizontally limit the power frequency converter; the firmness and stability of the power frequency converter can be kept, kinetic energy can be absorbed, and buffering and vibration reduction are provided for the power frequency converter.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power control equipment, in particular to a high-protection frequency converter. Background Art

[0002] The frequency converter is an electric power control device that applies frequency conversion technology and microelectronics technology to control the AC motor by changing the frequency of the motor's working power supply. The frequency converter is mainly composed of rectification (AC to DC), filtering, inversion (DC to AC), braking unit, drive unit, detection unit, microprocessor unit, etc. The frequency converter can effectively reduce the operating frequency of the equipment through energy-saving means, thereby achieving energy-saving effects.

[0003] The existing high-protection inverter can refer to the Chinese utility model patent with the authorization announcement number CN216252515U, which discloses a high-protection inverter, "including an inverter body and a protection box, the protection box includes two plate-shaped side boxes, a plate-shaped bottom box and a plate-shaped upper box cover; the side box and the bottom box are fixedly connected to form a U-shaped frame, the upper box cover is arranged on the U-shaped frame and connected by screws, and a spring is arranged at the bottom of the upper box cover; a slide rail is arranged on the top of the bottom box, a slider is slidably arranged on the slide rail, a ball head connecting column is fixedly arranged on the slider, and the inverter The bottom of the inverter body is provided with a hole adapted to the ball head connecting column, and the shaft of the ball head connecting column is inserted into the hole. The utility model fixes the bottom of the inverter body on the movable block. Since the movable block is connected to the slider through the second spring, it can perform shockproof and buffering functions in the vertical direction. There are also springs on the top for buffering, and buffer devices on the side for buffering and shockproofing. At both ends of the transparent, the ball head connecting columns are provided to limit the long-distance movement of the inverter, and the third spring in the direction of the slider limits the movement in the transparent direction and performs buffering at the same time.

[0004] When the above equipment is in use, the inverter body needs to be placed inside the side box body, and the bottom box body and the upper box cover need to be connected to the side box body to play a supporting and protective role. However, it will block the surface of the inverter body and hinder air circulation. It is necessary to add a motor and a cooling fan to achieve heat dissipation of the inverter body, which increases the cost of use. The spring has no damping and is prone to resonance, and the vibration reduction effect is poor. The setting of the side box body is not convenient for wiring activities. It is also not convenient to remove the spring, take out the inverter body from the inside of the side box, and repair it. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a high-protection frequency converter, which has the advantages of low cost and convenient wiring activities, and solves the problems raised by the above-mentioned background technology.

[0006] The utility model provides the following technical solutions: a high-protection frequency converter, comprising an electric frequency converter, a bottom frame and a top frame, wherein a first card seat is welded to the middle of the bottom end and the middle of the top end of the electric frequency converter, two of the first card seats are snap-connected with rubber blocks, two of the rubber blocks are snap-connected with second card seats, two of the second card seats are respectively welded to the middle of the top end of the bottom frame and the middle of the bottom end of the top frame, four corners of the top end of the bottom frame are welded with baffle rods, the top ends of the four baffle rods are connected to the top frame through screws, two baffle strips are arranged on both sides of the electric frequency converter, one side of the four baffle strips are respectively welded to the four baffle rods, the other sides of the four baffle strips are snap-connected with rubber strips, wherein one end of two of the rubber strips are respectively connected to one end of the other two rubber strips through protective strips.

[0007] As a preferred technical solution of the utility model, the four corners of the top frame are provided with rod grooves, the four screw rods are respectively inserted and connected with the four rod grooves, the four screw rods are threadedly connected with nuts, the bottom ends of the four screw rods are respectively welded to the top ends of the four baffle rods, and the diameters of the four screw rods are smaller than the diameters of the four baffle rods.

[0008] As a preferred technical solution of the utility model, a groove 1 is provided at the top of one of the card seats 1 and a bottom of the other card seat 1, a groove 2 is provided at the top of one of the card seats 2 and a bottom of the other card seat 2, and the two grooves 1 and the two grooves 2 are respectively engaged and connected with the top and bottom of the two rubber blocks.

[0009] As a preferred technical solution of the utility model, a card slot is provided on the other side of the four baffles, a limit strip is provided on one side of the four card slots, and one side of the four rubber strips is respectively engaged with the four card slots.

[0010] As a preferred technical solution of the utility model, a threaded sleeve is embedded at one end of the four rubber strips, and the four threaded sleeves are threadedly connected with bolts. Two through holes are opened on the surface of the two protective strips, and the four bolts are respectively inserted and connected with the four through holes.

[0011] As a preferred technical solution of the utility model, a mounting plate is welded to one side of the bottom frame and one side of the top frame, and two mounting holes are provided on the surfaces of the two mounting plates.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The high-protection inverter can support the rubber block and the rubber strip through the bottom frame, the baffle and the top frame, and can provide protection for the power inverter to prevent the surface of the power inverter from being collided. The rubber block can limit the vertical position of the power inverter through the bracket, and the rubber strip can limit the horizontal position of the power inverter, so as to maintain the firmness and stability of the power inverter, absorb kinetic energy, and provide buffering and vibration reduction for the power inverter. When the bottom frame, the baffle and the top frame are collided, the stability of the power inverter can be improved, the obstruction of the surface of the power inverter can be reduced, the wiring activity of the power inverter can be guaranteed, and the air circulation will not be hindered, and the heat dissipation activity of the power inverter can be guaranteed. There is no need to add a motor and a cooling fan to dissipate the heat, thereby reducing the use cost.

[0014] 2. The high-protection inverter, the rubber block and the rubber strip have good damping properties, which can prevent the occurrence of resonance and improve the vibration reduction effect of the power inverter. The protective strip can prevent the power inverter from being subjected to frontal impact. When the protective strip is hit, the impact force can be transmitted to the rubber strip. The protective strip is not easily damaged. The protective strip can be easily removed by loosening the bolts. By loosening the nuts and removing the top frame, the power inverter can be lifted vertically to facilitate its removal from between the four levers. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the baffle rod of the utility model;

[0017] Figure 3 This is a structural schematic diagram of a card holder 1 of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the baffle of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the rubber strip of the utility model;

[0020] Figure 6 It is a structural schematic diagram of the top frame of the utility model;

[0021] Figure 7 It is a structural schematic diagram of the protection strip of the utility model.

[0022] In the figure: 1. power inverter; 2. holder one; 3. groove one; 4. rubber block; 5. holder two; 6. bottom frame; 7. top frame; 8. stop rod; 9. screw rod; 10. nut; 11. mounting plate; 12. mounting hole; 13. stop bar; 14. slot; 15. limit strip; 16. rubber strip; 17. protective strip; 18. bolt; 19. threaded sleeve; 20. rod slot; 21. through hole; 22. groove two. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-7 A high protection frequency converter includes a power frequency converter 1, a bottom frame 6 and a top frame 7. A card seat 2 is welded at the middle of the bottom end and the middle of the top end of the power frequency converter 1. The two card seats 2 are snap-connected with rubber blocks 4. The two rubber blocks 4 are snap-connected with card seats 2 5. The two card seats 2 5 are respectively welded with the middle of the top end of the bottom frame 6 and the middle of the bottom end of the top frame 7. The four corners of the top end of the bottom frame 6 are welded with baffles 8. The top ends of the four baffles 8 are connected to the top frame 7 through screws 9. Two baffle bars 13 are arranged on both sides of the power frequency converter 1. One side of the four baffle bars 13 is respectively welded with the four baffle bars 8. The other side of the four baffle bars 13 is snap-connected with rubber strips 1 6, wherein one end of each of the two rubber strips 16 is connected to one end of each of the other two rubber strips 16 through a protective strip 17, the rubber block 4 and the rubber strip 16 can be supported by the bottom frame 6, the baffle rod 8 and the top frame 7, and can provide protection for the power inverter 1 to prevent the surface of the power inverter 1 from being collided, the rubber block 4 can limit the vertical position of the power inverter 1 through the card seat 2, the rubber strip 16 can limit the horizontal position of the power inverter 1, and can maintain the firmness and stability of the power inverter 1, and can absorb kinetic energy and provide buffering and vibration reduction for the power inverter 1, and when the bottom frame 6, the baffle rod 8 and the top frame 7 are collided, the stability of the power inverter 1 can be improved.

[0025] See also Figure 2 and Figure 6 The four corners of the top frame 7 are all provided with rod grooves 20, and the four screw rods 9 are respectively inserted and connected with the four rod grooves 20, and the four screw rods 9 are threadedly connected with nuts 10. The bottom ends of the four screw rods 9 are respectively welded to the top ends of the four blocking rods 8. The diameters of the four screw rods 9 are all smaller than the diameters of the four blocking rods 8. The screw rods 9 can be passed through the rod grooves 20, and the top frame 7 can be fixed by the nuts 10. The top frame 7 can be removed by loosening the nuts 10.

[0026] See also Figure 1 , Figure 2 and Figure 3A groove 13 is provided at the top of one of the card seats 1 2 and at the bottom of the other card seat 1 2, a groove 22 is provided at the top of one of the card seats 2 5 and at the bottom of the other card seat 2 5, the two grooves 1 3 and the two grooves 22 are respectively engaged with the top and bottom of the two rubber blocks 4, and the rubber blocks 4 can be limited by the grooves 1 3 and 22 to prevent the rubber blocks 4 from falling off.

[0027] See also Figure 2 and Figure 4 A card slot 14 is provided on the other side of the four baffles 13, and a limit strip 15 is provided on one side of the four card slots 14. One side of the four rubber strips 16 is respectively engaged with the four card slots 14. The rubber strips 16 can be limited by the card slots 14, and the baffles 13 can prevent the rubber strips 16 from being displaced by force.

[0028] See also Figure 5 and Figure 7 A threaded sleeve 19 is embedded at one end of each of the four rubber strips 16, and each of the four threaded sleeves 19 is threadedly connected with a bolt 18. Two through holes 21 are provided on the surface of each of the two protective strips 17, and the four bolts 18 are respectively inserted and connected with the four through holes 21. The bolts 18 can be inserted through the through holes 21, and the protective strips 17 can be fixed by the threaded sleeves 19 and the bolts 18.

[0029] See also Figure 1 A mounting plate 11 is welded to one side of the bottom frame 6 and one side of the top frame 7. Two mounting holes 12 are provided on the surfaces of the two mounting plates 11. The power inverter 1 can be fixedly installed through the mounting holes 12 of the mounting plates 11.

[0030] When in use, the staff first puts the four rubber strips 16 into the four card slots 14 respectively, and then puts the two rubber blocks 4 into the grooves 3 of the two card seats 2 respectively, pulls the baffle rod 8 to make it elastically deformed, and puts the power inverter 1 between the four baffle rods 8. Then, the rubber block 4 at the bottom end of the power inverter 1 is engaged with the card seat 2 5 at the top of the bottom frame 6, and finally the screw rod 9 is inserted into the rod groove 20 of the top frame 7, the nut 10 is tightened, and the protective strip 17 is fixed by the threaded sleeve 19 and the bolt 18. During transportation and installation, the bottom frame 6, the baffle rod 8 and the top frame 7 can support the rubber block 4 and the rubber strip 16, and can provide protection for the power inverter 1 to prevent the surface of the power inverter 1 from being hit. The rubber block 4 and the rubber strip 16 can absorb kinetic energy, providing buffering and vibration reduction for the power inverter 1, and the rubber block 4 and the rubber strip 16 have good damping properties, which can prevent the occurrence of resonance. The setting of the bottom frame 6, the baffle 8 and the top frame 7 reduces the obstruction of the surface of the power inverter 1, which can ensure the wiring activity of the power inverter 1, and will not hinder the circulation of air, and can ensure the heat dissipation activity of the power inverter 1. In addition, the protective strip 17 can prevent the power inverter 1 from being subjected to a frontal impact. When the protective strip 17 is collided, the impact force can be transmitted to the rubber strip 16, and the protective strip 17 is not easily damaged. The staff can remove the protective strip 17 by loosening the bolt 18, and the staff can loosen the nut 10, remove the top frame 7, and vertically lift the power inverter 1 to remove it from between the four baffles 8.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high protection frequency converter, comprising a power frequency converter (1), a bottom frame (6) and a top frame (7), characterized in that: A card seat 1 (2) is welded to the middle of the bottom end and the middle of the top end of the power inverter (1), and the two card seats 1 (2) are snap-connected to a rubber block (4), and the two rubber blocks (4) are snap-connected to a card seat 2 (5). The two card seats 2 (5) are respectively welded to the middle of the top end of the bottom frame (6) and the middle of the bottom end of the top frame (7). The four corners of the top end of the bottom frame (6) are welded to a blocking rod (8), and the top ends of the four blocking rods (8) are connected to the top frame (7) through screws (9). Two blocking bars (13) are provided on both sides of the power inverter (1), and one side of the four blocking bars (13) is respectively welded to the four blocking bars (8), and the other side of the four blocking bars (13) is snap-connected to a rubber strip (16), wherein one end of two of the rubber strips (16) is respectively connected to one end of the other two rubber strips (16) through a protective strip (17).

2. A high protection type inverter according to claim 1, characterized in that: The four corners of the top frame (7) are each provided with a rod groove (20), the four screw rods (9) are respectively inserted and connected with the four rod grooves (20), the four screw rods (9) are each threadedly connected with a nut (10), the bottom ends of the four screw rods (9) are respectively welded to the top ends of the four blocking rods (8), and the diameters of the four screw rods (9) are each smaller than the diameters of the four blocking rods (8).

3. A high protection type frequency converter according to claim 1, characterized in that: A groove one (3) is provided at the top of one of the first card seats (2) and a groove two (22) is provided at the bottom of the other first card seat (2), a groove one (22) is provided at the top of one of the second card seats (5) and a groove two (22) is provided at the bottom of the other second card seat (5), and the two grooves one (3) and two grooves two (22) are respectively engaged and connected with the top and bottom of the two rubber blocks (4).

4. A high protection type frequency converter according to claim 1, characterized in that: A clamping slot (14) is provided on the other side of the four blocking bars (13), a limiting strip (15) is provided on one side of the four clamping slots (14), and one side of the four rubber strips (16) is respectively clamped and connected with the four clamping slots (14).

5. A high protection type inverter according to claim 1, characterized in that: One end of each of the four rubber strips (16) is embedded with a threaded sleeve (19), and each of the four threaded sleeves (19) is threadedly connected with a bolt (18). Two through holes (21) are provided on the surface of each of the two protective strips (17), and the four bolts (18) are respectively inserted and connected with the four through holes (21).

6. A high protection type inverter according to claim 1, characterized in that: A mounting plate (11) is welded to one side of the bottom frame (6) and one side of the top frame (7), and two mounting holes (12) are provided on the surfaces of the two mounting plates (11).

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