CN211701836U - Mining frequency converter with dustproof protection device - Google Patents

Abstract

The utility model discloses a mining converter with dustproof protection device, which comprises a housin, the inner chamber top fixedly connected with dust cover of casing, the uniform distribution of surface of dust cover has a plurality of gas pocket, just the internally mounted of dust cover has the motor, a plurality of flabellums of output shaft axle body fixedly connected with of motor, a pair of fixture block of bottom fixedly connected with of casing, the dust collecting tank has been inserted between the fixture block, the equal fixedly connected with first in command of the both sides outer wall of dust collecting tank. The utility model provides a technical problem lie in overcoming the inside defect that produces the dust easily of prior art's converter, provide a mining converter with dustproof protection device. The mining frequency converter with the dustproof protection device has the characteristics of reasonable structural design, good dustproof effect, convenience in replacement and cleaning and the like.

Description

A mining inverter with dust protection device

technical field

The utility model relates to the technical field of frequency converters, in particular to a mine frequency converter with a dust-proof protection device.

Background technique

The frequency converter is a power control device that uses frequency conversion technology and microelectronics technology to control the AC motor by changing the frequency of the motor's working power supply. The inverter adjusts the voltage and frequency of the output power supply by switching on and off 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 inverter also has many protection functions. , such as overcurrent, overvoltage, overload protection, etc. With the continuous improvement of industrial automation, frequency converters have also been widely used, including mining. After the existing inverter is used for a long time, it will inevitably generate a large amount of dust inside. When the dust accumulates on the electronic components inside the inverter, it will affect its heat dissipation performance and cause the surface temperature of the electronic components to be too high. thereby affecting its service life.

Utility model content

The technical problem solved by the utility model is to overcome the defect that dust is easily generated inside the frequency converter of the prior art, and to provide a mine frequency converter with a dust protection device. The mine frequency converter with a dust-proof protection device has the characteristics of reasonable structure design, good dust-proof effect, and easy replacement and cleaning.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a mining frequency converter with a dust-proof protection device, comprising a casing, a dust cover is fixedly connected to the top of the inner cavity of the casing, and the dust-proof A number of air holes are evenly distributed on the surface of the cover, and a motor is installed inside the dust cover, a number of fan blades are fixedly connected to the output shaft of the motor, and an air inlet is opened on the top of the casing. The air inlet is provided with a dust filter, a pair of clamping blocks are fixedly connected to the bottom of the housing, a dust collecting groove is inserted between the clamping blocks, and the outer walls on both sides of the dust collecting groove are fixedly connected with a second block. in the lead.

Preferably, dust removal bins are fixedly connected to the top outer walls on both sides of the housing, a slot is opened on the top of the dust removal bin, a dust removal board is inserted into the slot, and a dust removal net is installed on the dust removal board. The top of the limit plate is fixedly connected with a limit plate, the top of the limit plate is fixedly connected with a second handle, and the bottom of the dust-removing bin is provided with a card slot matched with the dust-removal plate.

Preferably, an exhaust fan is installed on the outer walls of the bottom ends on both sides of the casing, a dust guide pipe is fixedly connected to the bottom of the exhaust fan, and the end of the dust guide pipe penetrates the side wall and the bottom of the casing and extends to In the dust collecting tank, a dust suction pipe is fixedly connected to the top of the suction fan, the dust suction pipe penetrates the side wall of the casing and extends to the inner cavity of the casing, and the end of the suction pipe is fixedly connected with a dust suction plate. The interior of the dust board is a hollow structure, and a number of dust suction nozzles are installed on the side wall surface of the dust board.

Preferably, the suction nozzles are equally spaced on the side wall of the suction plate and communicate with the inner cavity of the suction plate, and the end of the suction nozzle is a trumpet-shaped structure.

Preferably, the clamping block is L-shaped, both sides of the top of the dust collecting groove are also L-shaped, and the bottom of the dust collecting groove is an inclined end face.

Compared with the prior art, the beneficial effects of the present utility model are:

The mining frequency converter with the dust-proof protection device of the utility model has a reasonable structure design, good dust-proof effect, and is easy to replace and clean. The dust is blown up, and then the floating dust particles are sucked into the inner cavity of the dust collector by driving the exhaust fan, and introduced into the dust collection tank, so that the dust can be treated uniformly. It is very convenient to take it out from the dust removal bin to facilitate its cleaning, so as to avoid excessive dust adsorption and affect the adsorption effect of the dust removal net.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention.

Labels in the figure: 1 shell, 101 air inlet, 102 dust filter, 2 dust cover, 3 motor, 4 fan blades, 5 card block, 6 dust collection slot, 7 first handle, 8 dust removal bin, 9 slot , 10 dust plate, 11 dust net, 12 limit plate, 13 second handle, 14 card slot, 15 exhaust fan, 16 dust guide pipe, 17 vacuum pipe, 18 vacuum plate, 19 vacuum nozzle.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Referring to FIG. 1, the present utility model provides a technical solution: a mining frequency converter with a dust protection device, comprising a casing 1, and a dust cover 2 is fixedly connected to the top of the inner cavity of the casing 1 to prevent dust There are several air holes evenly distributed on the surface of the cover 2, and a motor 3 is installed inside the dust cover 2. The motor 3 is connected to an external power supply through a wire, and a number of fan blades 4 are fixedly connected to its output shaft. To avoid dust adhering to the surface of the fan blade 4 and affecting the dustproof effect of the inverter, the top of the casing 1 is provided with an air inlet 101, and the air inlet 101 is provided with a dustproof net 102. 102 adopts the dust-proof net technology of the prior art to cut off the dust passing through the air inlet 101. A pair of blocking blocks 5 are fixedly connected to the bottom of the casing 1, and a dust collecting groove 6 is inserted between the blocking blocks 5. 5 is L-shaped, the top and both sides of the dust collecting tank 6 are also L-shaped, and the bottom of the dust collecting tank 6 is an inclined end face. When the dust enters the dust collecting tank 6, it will be collected to the bottom of the tank to facilitate unified cleaning. , the two outer walls of the dust collecting tank 6 are fixedly connected with the first handle 7, the top outer walls of the two sides of the casing 1 are fixedly connected with the dust removal bin 8, the top of the dust removal bin 8 is provided with a slot 9, and the slot 9 is inserted with a The dust removal board 10, the dust removal screen 11 is installed on the dust removal board 10. The dust removal screen 11 is an activated carbon filter screen, which has strong adsorption performance and can effectively absorb the dust particles floating in the air. The top of the dust removal board 10 is fixedly connected with a limit plate 12. A second handle 13 is fixedly connected to the top of the limit plate 12. The bottom of the dust removal bin 8 is provided with a card slot 14 that matches the dust removal plate 10. The use of the card groove 14 can improve the stability of the dust removal plate 10 and prevent it from occurring. Shaking, it can also play the role of positioning, so as to facilitate the disassembly and installation of the dust removal board 10. The outer walls of the bottom ends on both sides of the casing 1 are installed with an exhaust fan 15. The exhaust fan 15 is connected to an external power supply through a wire. The dust guide pipe 16, the end of the dust guide pipe 16 penetrates the side wall and bottom of the casing 1 and extends into the dust collecting tank 6, the top of the exhaust fan 15 is fixedly connected with a dust suction pipe 17, and the dust suction pipe 17 penetrates the casing 1. The side wall of the dust collector extends to the inner cavity of the housing 1, and its end is fixedly connected with a vacuum plate 18. The interior of the vacuum plate 18 is a hollow structure, and a number of vacuum nozzles 19 are installed on the surface of the side wall. They are equidistantly distributed on the side wall of the vacuum plate 18 and communicate with the inner cavity of the vacuum plate 18. The end of the vacuum nozzle 19 is a horn-shaped structure, which can increase the amount of dust inhaled, thereby improving the efficiency of dust removal.

Working principle: When the utility model is in use, the external power supply drives the motor 3 to drive the fan blade 4 to rotate. When the fan blade 4 rotates, the interior of the casing 1 can be blown, thereby blowing the dust accumulated on the surface of the electronic components. Then, the suction fan 15 is driven by an external power supply. Under the suction of the suction fan 15, the air mixed with dust particles in the casing 1 can be sucked into the suction plate 18 by the suction nozzle 19. The inner cavity of the dust collector is introduced into the dust collection tank 6 through the dust suction pipe 17 and the dust guide pipe 16. The dust collection tank 6 can be used to collect the dust uniformly. When a certain amount is collected, the first handle 7 can be held to collect the dust. The groove 6 is pulled out from between the blocks 5, so that the dust in the dust collecting groove 6 can be treated uniformly; at the same time, some residual dust particles can be adsorbed by the dust removal net 11 in the dust removal bin 8. After a certain amount of dust is adsorbed on the surface, the second handle 13 can be held to pull the dust removal board 10 together with the dust removal screen 11 out of the dust removal bin 8, so as to clean the surface of the dust removal screen 11 to remove the adhered dust and avoid dust. Too much adsorption will affect the adsorption effect of the dust removal net 11 . After cleaning, the dust removal board 10 can be inserted into the slot 9 and the card slot 14 .

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a mining converter with dustproof protection device, includes casing (1), its characterized in that: the dust cover is characterized in that a dust cover (2) is fixedly connected to the top of an inner cavity of the shell (1), a plurality of air holes are uniformly distributed in the surface of the dust cover (2), a motor (3) is mounted inside the dust cover (2), a plurality of fan blades (4) are fixedly connected to an output shaft body of the motor (3), an air inlet (101) is formed in the top of the shell (1), a dust screen (102) is arranged on the air inlet (101), a pair of clamping blocks (5) is fixedly connected to the bottom of the shell (1), a dust collecting groove (6) is inserted between the clamping blocks (5), and first handles (7) are fixedly connected to outer walls of two sides of the dust collecting groove (6).

2. The mining frequency converter with the dustproof protection device according to claim 1, characterized in that: the equal fixedly connected with in both sides top outer wall of casing (1) removes dust storehouse (8), slot (9) have been seted up at the top in the storehouse of removing dust (8), it has dust removal board (10) to insert in slot (9), install dust removal net (11) on dust removal board (10), its top fixedly connected with limiting plate (12), top fixedly connected with second handle (13) of limiting plate (12), draw-in groove (14) with dust removal board (10) matched with have been seted up to the bottom in storehouse of removing dust (8).

3. The mining frequency converter with the dustproof protection device according to claim 1, characterized in that: air exhauster (15) are all installed to the both sides bottom outer wall of casing (1), dust pipe (16) is led to the bottom fixedly connected with of air exhauster (15), the terminal lateral wall and the bottom that run through casing (1) of leading dust pipe (16) extend to in dust collecting tank (6), the top fixedly connected with dust absorption pipe (17) of air exhauster (15), dust absorption pipe (17) run through the lateral wall of casing (1) and extend to the inner chamber of casing (1), its terminal fixedly connected with dust absorption board (18), the inside of dust absorption board (18) is hollow structure, and its lateral wall surface mounting has a plurality of dust absorption mouth (19).

4. The mining frequency converter with the dustproof protection device according to claim 3, characterized in that: the dust absorption mouth (19) equidistance distributes at the lateral wall of dust absorption board (18) to each other is the intercommunication with the inner chamber of dust absorption board (18), just the end of dust absorption mouth (19) is the horn shape structure.

5. The mining frequency converter with the dustproof protection device according to claim 1, characterized in that: the fixture block (5) is L-shaped, two sides of the top of the dust collection groove (6) are also L-shaped, and the bottom of the dust collection groove (6) is an inclined end face.

Images