Frequency converter with dustproof structure

Abstract

The utility model relates to a frequency converter with a dustproof structure, which comprises a frequency converter shell, and fixing blocks are fixedly connected to the top and the bottom of two sides of the frequency converter shell. According to the utility model, the motor is started to drive the dust blowing fan blades to rotate, the dust blowing fan blades rotate to blow dust on the surface of a frequency converter element, air is conveniently fed into the inner cavity of the frequency converter shell through the air inlet groove, and the dust is filtered through the first dustproof net; the dust suction machine is started to suck dust and hot air in the inner cavity of the frequency converter shell through the dust suction pipe, the transverse pipe and the dust suction cover, the hot air and the dust are pumped into the inner cavity of the shell through the dust suction cover, the transverse pipe, the dust suction pipe, the dust suction machine and the dust outlet pipe, and then the dust in the air is filtered through the dust filter screen. Filtered hot air is discharged to the outside of the box body through the heat dissipation exhaust grooves, so that dust in the frequency converter can be effectively removed, air in the inner cavity of the frequency converter shell can circulate, and the heat dissipation performance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of frequency converters, in particular to a frequency converter with a dustproof structure. Background Art

[0002] The frequency converter is an electric power control device that applies frequency conversion technology and microelectronics technology to control AC motors 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 adjusts the output power voltage and frequency by the opening and closing of the internal IGBT, and provides the required power supply voltage according to the actual needs of the motor, thereby achieving the purpose of energy saving and speed regulation. In addition, the frequency converter also has many protection functions, such as over-current, over-voltage, overload protection, etc. With the continuous improvement of industrial automation, frequency converters have also been widely used.

[0003] In the field of frequency conversion technology, frequency converters are used. Currently, existing frequency converters do not have a dustproof function, which results in dust in the air easily entering the frequency converter when the frequency converter is in use, causing short circuit damage to the internal components of the frequency converter. The frequency converter also has poor heat dissipation performance, which shortens the service life of the frequency converter. Therefore, we provide a frequency converter with a dustproof structure to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a frequency converter with a dustproof structure, which has the advantages of being able to remove dust from the inside of the frequency converter and having good heat dissipation performance, and solves the problem that the existing frequency converter does not have a dustproof function, resulting in dust in the air containing dust when the frequency converter is in use, which easily enters the interior of the frequency converter, causing short-circuit damage to the internal components of the frequency converter, and the frequency converter has poor heat dissipation performance.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a frequency converter with a dustproof structure, comprising a frequency converter shell, the top and bottom of both sides of the frequency converter shell are fixedly connected with fixed blocks, the front of the fixed block is provided with a mounting hole, a touch operation panel is fixedly installed on the top of the front of the frequency converter shell, a frequency converter element is fixedly installed on the back of the inner wall of the frequency converter shell, an air inlet groove is opened at the center of the top of the frequency converter shell, the inner wall of the air inlet groove is fixedly connected with a first dustproof net, motors are fixedly installed on both sides of the top of the inner wall of the frequency converter shell, dust blowing fan blades are fixedly installed on the output end of the motor, and the frequency converter The bottom of the shell is fixedly connected to the box body, both sides of the box body are provided with heat dissipation and exhaust grooves, the inner walls of the heat dissipation and exhaust grooves are fixedly connected with a second dustproof net, both sides of the inner cavity of the box body are fixedly connected with fixed partitions, the outer side of the fixed partition is fixedly connected with the shell, the inner cavity of the shell is fixedly installed with a filter shell, the inner wall of the filter shell is fixedly connected with a dust filter, the inner side of the fixed partition is connected with a dust outlet pipe, the inner end of the dust outlet pipe is connected with a vacuum cleaner, the top of the vacuum cleaner is connected with a dust suction pipe, the top of the dust suction pipe passes through the inner cavity of the inverter shell and is connected with a transverse pipe, and the top of the transverse pipe is connected with a dust hood.

[0006] Preferably, the top and the bottom of the inner wall of the housing are both fixedly connected with a limit plate, and the outer side of the limit plate is in contact with the surface of the filter housing.

[0007] Preferably, a mounting seat is fixedly connected to the bottom of the vacuum cleaner, and the bottom of the mounting seat is fixedly mounted to the bottom of the inner wall of the box.

[0008] Preferably, both sides of the bottom of the transverse tube are fixedly connected with fixing columns, and the bottom ends of the fixing columns are fixedly connected to the bottom of the inner wall of the inverter housing.

[0009] Preferably, the tops of both sides of the motor are fixedly connected with first mounting blocks, and the bottoms of the first mounting blocks are fixedly mounted to the top of the inner wall of the inverter housing by first bolts.

[0010] Preferably, the top and the bottom of the outer side of the filter housing are both fixedly connected with a second mounting block, and the inner side of the second mounting block is fixedly mounted to the inner wall of the housing by a second bolt.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model starts the dust blowing fan blades by starting the motor to start the rotation. The dust blowing fan blades rotate to blow the dust on the surface of the inverter element, and air is conveniently taken in to the inner cavity of the inverter shell through the air intake groove, and the dust is filtered through the first dustproof net. When the vacuum cleaner is started, the dust and hot air in the inner cavity of the inverter shell are absorbed through the dust suction pipe, the transverse pipe and the dust suction cover. The hot air and dust are drawn into the inner cavity of the shell through the dust suction cover, the transverse pipe, the dust suction pipe, the vacuum cleaner and the dust outlet pipe, and then the dust in the air is filtered through the dust filter. The filtered hot air is discharged to the outside of the box through the heat dissipation exhaust groove, which can effectively remove dust from the inside of the inverter and enable the air in the inner cavity of the inverter shell to circulate, thereby improving the heat dissipation performance, thereby achieving the advantages of dust removal inside the inverter and good heat dissipation performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0014] Figure 2 This is an enlarged cross-sectional view of the internal structure of the box body of the utility model.

[0015] Figure 3 This is a front view structural cross-sectional view of the utility model.

[0016] Description of reference numerals:

[0017] 1. Inverter housing; 2. Fixing block; 3. Mounting hole; 4. Touch operation panel; 5. Inverter element; 6. Air inlet slot; 7. First dust screen; 8. Motor; 9. Dust blowing fan blade; 10. Box; 11. Heat dissipation exhaust slot; 12. Second dust screen; 13. Fixed partition; 14. Shell; 15. Filter housing; 16. Dust filter; 17. Dust outlet pipe; 18. Vacuum cleaner; 19. Dust suction pipe; 20. Horizontal pipe; 21. Dust hood; 22. Limiting plate; 23. Mounting seat; 24. Fixing column. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-3The utility model provides a frequency converter with a dustproof structure, including a frequency converter shell 1, the top and bottom of both sides of the frequency converter shell 1 are fixedly connected with fixed blocks 2, the front of the fixed block 2 is provided with a mounting hole 3, the top of the front of the frequency converter shell 1 is fixedly installed with a touch operation panel 4, the back of the inner wall of the frequency converter shell 1 is fixedly installed with a frequency converter element 5, the center of the top of the frequency converter shell 1 is provided with an air intake groove 6, the inner wall of the air intake groove 6 is fixedly connected with a first dustproof net 7, the top of the inner wall of the frequency converter shell 1 is fixedly installed with a motor 8, and the motor 8 is fixedly installed with a first dustproof net 7. The output end is fixedly installed with a dust blowing fan blade 9, the bottom of the inverter housing 1 is fixedly connected with a box body 10, both sides of the box body 10 are provided with heat dissipation exhaust grooves 11, the inner wall of the heat dissipation exhaust grooves 11 is fixedly connected with a second dustproof net 12, both sides of the inner cavity of the box body 10 are fixedly connected with a fixed partition 13, the outer side of the fixed partition 13 is fixedly connected with a shell 14, the inner cavity of the shell 14 is fixedly installed with a filter shell 15, the inner wall of the filter shell 15 is fixedly connected with a dust filter 16, the inner side of the fixed partition 13 is connected with a dust outlet pipe 17, the inner wall of the dust outlet pipe 17 is connected with a dust outlet pipe 17, and the inner wall of the dust outlet pipe 17 is connected with a dust outlet pipe 17. The inner end is connected with a dust collector 18, the top of the dust collector 18 is connected with a dust collection pipe 19, the top of the dust collection pipe 19 penetrates the inner cavity of the inverter housing 1 and is connected with a transverse pipe 20, the top of the transverse pipe 20 is connected with a dust collection cover 21, the motor 8 is started to drive the dust blowing fan blade 9 to start rotating, the dust blowing fan blade 9 rotates to blow the dust on the surface of the inverter element 5, the air is conveniently taken into the inner cavity of the inverter housing 1 through the air intake groove 6, the dust is filtered through the first dustproof net 7, and the dust collector 18 is started to absorb the dust from the inverter through the dust collection pipe 19, the transverse pipe 20 and the dust collection cover 21. The dust and hot air in the inner cavity of the inverter shell 1 are drawn into the inner cavity of the shell 14 through the dust hood 21, the transverse pipe 20, the dust pipe 19, the dust collector 18 and the dust outlet pipe 17, and then the dust in the air is filtered through the dust filter 16. The filtered hot air is discharged to the outside of the box body 10 through the heat dissipation exhaust groove 11, which can effectively remove dust from the inside of the inverter and enable the air in the inner cavity of the inverter shell 1 to circulate, thereby improving the heat dissipation performance, thereby achieving the advantages of dust removal inside the inverter and good heat dissipation performance.

[0020] The top and bottom of the inner wall of the housing 14 are both fixedly connected to the limiting plate 22 , and the outer side of the limiting plate 22 is in contact with the surface of the filter housing 15 .

[0021] Through the above technical solution, by providing the limiting plate 22, the filter housing 15 can be conveniently installed.

[0022] The bottom of the vacuum cleaner 18 is fixedly connected to a mounting seat 23 , and the bottom of the mounting seat 23 is fixedly mounted to the bottom of the inner wall of the box body 10 .

[0023] Through the above technical solution, by providing the mounting seat 23, the vacuum cleaner 18 can be easily fixed and installed and disassembled.

[0024] Both sides of the bottom of the transverse tube 20 are fixedly connected with fixing columns 24 , and the bottom ends of the fixing columns 24 are fixedly connected to the bottom of the inner wall of the inverter housing 1 .

[0025] Through the above technical solution, by setting the fixing column 24, the transverse tube 20 and the dust hood 21 are fixed and supported, thereby increasing the stability of the transverse tube 20 and the dust hood 21 when in use.

[0026] The tops of both sides of the motor 8 are fixedly connected with first mounting blocks, and the bottom of the first mounting block is fixedly mounted to the top of the inner wall of the inverter housing 1 through first bolts.

[0027] Through the above technical solution, by providing the first mounting block and the first bolt, the motor 8 can be easily fixedly installed and disassembled.

[0028] The top and bottom of the outer side of the filter housing 15 are both fixedly connected with second mounting blocks, and the inner side of the second mounting block is fixedly mounted to the inner wall of the housing 14 by second bolts.

[0029] Through the above technical solution, by providing the second mounting block and the second bolt, the filter housing 15 and the dust filter screen 16 can be conveniently fixedly installed and disassembled.

[0030] The working principle of the utility model is as follows: when removing dust, the motor 8 and the dust collector 18 are turned on through the external controller, the motor 8 is started to drive the dust blowing blades 9 to start rotating, the dust blowing blades 9 rotate to blow the dust on the surface of the inverter element 5, and the air is conveniently taken into the inner cavity of the inverter shell 1 through the air intake groove 6, and the dust is filtered through the first dustproof net 7. The dust collector 18 is started to absorb the dust and hot air in the inner cavity of the inverter shell 1 through the dust suction pipe 19, the transverse pipe 20 and the dust cover 21, and the hot air and dust are discharged. The hot air is drawn into the inner cavity of the shell 14 through the dust hood 21, the transverse pipe 20, the dust suction pipe 19, the dust collector 18 and the dust outlet pipe 17, and then the dust in the air is filtered through the dust filter 16. The filtered hot air is discharged to the outside of the box 10 through the heat dissipation exhaust groove 11, which can effectively remove dust from the inside of the inverter and enable the air in the inner cavity of the inverter shell 1 to circulate, thereby improving the heat dissipation performance, thereby achieving the advantages of dust removal inside the inverter and good heat dissipation performance.

[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 frequency converter with a dustproof structure, comprising a frequency converter housing, characterized in that: The top and bottom of both sides of the inverter shell are fixedly connected with fixed blocks, the front of the fixed block is provided with a mounting hole, the top of the front of the inverter shell is fixedly installed with a touch operation panel, the back of the inner wall of the inverter shell is fixedly installed with an inverter element, the center of the top of the inverter shell is provided with an air inlet groove, the inner wall of the air inlet groove is fixedly connected with a first dustproof net, both sides of the top of the inner wall of the inverter shell are fixedly installed with motors, the output end of the motor is fixedly installed with dust blowing blades, the bottom of the inverter shell is fixedly connected with a box body, and both sides of the box body are opened. A heat dissipation exhaust groove is provided, and a second dustproof net is fixedly connected to the inner wall of the heat dissipation exhaust groove, fixed partitions are fixedly connected to both sides of the inner cavity of the box, the outer side of the fixed partition is fixedly connected to the shell, the inner cavity of the shell is fixedly installed with a filter shell, the inner wall of the filter shell is fixedly connected with a dust filter net, the inner side of the fixed partition is connected to a dust outlet pipe, the inner end of the dust outlet pipe is connected to a vacuum cleaner, the top of the vacuum cleaner is connected to a dust suction pipe, the top of the dust suction pipe passes through the inner cavity of the inverter shell and is connected to a transverse pipe, and the top of the transverse pipe is connected to a dust hood.

2. The frequency converter with dustproof structure according to claim 1, characterized in that: The top and the bottom of the inner wall of the shell are both fixedly connected with a limiting plate, and the outer side of the limiting plate is in contact with the surface of the filter shell.

3. The frequency converter with dustproof structure according to claim 1, characterized in that: The bottom of the vacuum cleaner is fixedly connected with a mounting seat, and the bottom of the mounting seat is fixedly mounted with the bottom of the inner wall of the box.

4. The frequency converter with dustproof structure according to claim 1, characterized in that: Both sides of the bottom of the transverse tube are fixedly connected with fixing columns, and the bottom ends of the fixing columns are fixedly connected to the bottom of the inner wall of the inverter shell.

5. The frequency converter with dustproof structure according to claim 1, characterized in that: The tops of both sides of the motor are fixedly connected with first mounting blocks, and the bottom of the first mounting block is fixedly mounted with the top of the inner wall of the inverter housing by means of first bolts.

6. The frequency converter with dustproof structure according to claim 1, characterized in that: The top and bottom of the outer side of the filter shell are both fixedly connected with a second mounting block, and the inner side of the second mounting block is fixedly mounted to the inner wall of the shell through a second bolt.

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