CN218006107U

CN218006107U - Frequency converter protection device

Info

Publication number: CN218006107U
Application number: CN202222272603.XU
Authority: CN
Inventors: 张大通
Original assignee: Shenyang Weiside Automation Equipment Co ltd
Current assignee: Shenyang Weiside Automation Equipment Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-12-09
Anticipated expiration: 2032-08-29

Abstract

The utility model belongs to the technical field of the converter, especially, be a converter protection device, which comprises an outer shell, fixedly connected with mount pad on the bottom inner wall of shell, two recesses have been seted up at the top of mount pad, rotate between two recesses and be connected with same two-way lead screw, the outside thread bush of two-way lead screw is equipped with two splint, four inlet ports of one side fixedly connected with of shell, the left filter screen of fixedly connected with in the inlet port, fixedly connected with mount on one side inner wall of shell, the top fixedly connected with two-way motor of mount. The utility model has the advantages of reasonable design, be convenient for carry out quick assembly disassembly to the converter and overhaul the maintenance, and can regularly clear up left filter screen, both avoid left filter screen to be blockked up by the dust and reduced radiating effect, prevent that the converter from being burnt out, and reduced the scraper blade and rotated the energy that consumes always for it is more energy-conserving.

Description

Frequency converter protection device

Technical Field

The utility model relates to a converter technical field especially relates to a converter protection device.

Background

The frequency converter is an electric device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency of a working power supply of the motor, can generate larger heat during working, and can influence the normal work of the frequency converter if the internal temperature of the frequency converter is overhigh. In order to avoid the inside high temperature of converter among the prior art, the converter generally can set up the air vent and make the steam that the inside work produced distribute away, thereby reduce the inside operating temperature of converter, reach the purpose of carrying out the heat dissipation protection to the converter in proper order, nevertheless because the entering that probably accompanies external cold wind when steam effluvium, for the inside that prevents that external cold wind from carrying the dust and getting into the converter from the air vent, generally can set up the dust screen in the position department that corresponds the air vent and prevent that the dust from getting into.

But along with the long-time work of converter, the dust screen on the converter can be attached to a large amount of dust, reaches certain degree when the dust volume of adhering to, and the dust screen can be stopped up by the dust and cause the unable effluvium of the heat that converter work gived off, and then makes the inside temperature of converter rise gradually, and then easily leads to the condition that the converter was burnt out, therefore we have proposed a converter protection device and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art, and provides a frequency converter protection device.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a converter protection device, includes the shell, fixedly connected with mount pad on the bottom inner wall of shell, two recesses have been seted up at the top of mount pad, rotate between two recesses and be connected with same two-way lead screw, the outside thread bush of two-way lead screw is equipped with two splint, four inlet ports of one side fixedly connected with of shell, the downthehole fixedly connected with left filter screen of inlet, fixedly connected with mount on one side inner wall of shell, the top fixedly connected with two-way motor of mount, fixedly connected with flabellum and initiative bevel gear on two-way motor's the both ends output shaft respectively, one side of shell is rotated and is connected with the dwang, the outside fixed bush of dwang is equipped with scraper blade and driven bevel gear, the bottom fixedly connected with servo motor of mount, fixedly connected with initiative tooth on servo motor's the output shaft, the bottom of mount is rotated and is connected with the thread bush, the fixed cover in the outside of thread bush is equipped with the driven tooth, the initiative tooth meshes with driven tooth mutually, the thread bush is equipped with vertical lead screw, the top fixedly connected with mounting panel of vertical screw, the top of mounting panel is rotated and is connected with the perpendicular axle, the top fixedly connected with the transmission bevel gear, the butt of driven bevel gear, the scraper blade is in one side of left side.

Preferably, an air outlet is formed in the other side of the shell, and a right filter screen is fixedly connected in the air outlet.

Preferably, one end of the bidirectional screw rod extends to the outer side of the mounting seat and is fixedly connected with a hand wheel.

Preferably, a box door is rotatably connected to the front side of the outer shell, and a handle is fixedly connected to the front side of the box door.

Preferably, the top of the mounting plate is fixedly connected with a bearing, and the vertical shaft is fixedly sleeved in an inner ring of the bearing.

Preferably, the bottom of the mounting plate is fixedly connected with a limiting rod, a limiting groove is formed in the inner wall of the bottom of the fixing frame, and the limiting rod is slidably sleeved in the limiting groove.

In the utility model, the frequency converter protection device is convenient for quick installation and disassembly of the frequency converter through the matching of the groove, the bidirectional lead screw, the clamping plate and the hand wheel, is convenient for later maintenance of the frequency converter, and is convenient for heat dissipation and dustproof protection of the frequency converter through the matching of the air inlet hole, the air outlet hole, the left filter screen, the right filter screen, the bidirectional motor and the fan blade;

in the utility model, a converter protection device, through the cooperation of drive bevel gear, driven bevel gear, dwang, scraper blade, mounting panel, vertical lead screw, thread bush, driven tooth, drive tooth and servo motor, when needing to clear up, servo motor driven drive bevel gear shifts up and both meshes with drive bevel gear and driven bevel gear, then drive the left filter screen of scraper blade pivoted in the two-way motor and clear up, and then can clear up the left filter screen regularly, both avoided the left filter screen to be blockked up by the dust and reduced radiating effect, and reduced the scraper blade and rotated the energy that consumes always, make more energy-conserving;

the utility model has the advantages of reasonable design, be convenient for carry out quick assembly disassembly to the converter and overhaul the maintenance, and can regularly clear up left filter screen, both avoid left filter screen to be blockked up by the dust and reduced radiating effect, prevent that the converter from being burnt out, and reduced the scraper blade and rotated the energy that consumes always for it is more energy-conserving.

Drawings

Fig. 1 is a schematic structural diagram of a frequency converter protection device provided by the present invention;

fig. 2 is a cross-sectional view of a frequency converter protection device provided by the present invention;

fig. 3 is a schematic structural diagram of a portion a of the protection device for a frequency converter according to the present invention.

In the figure: 1. a housing; 2. a box door; 3. a right filter screen; 4. a left filter screen; 5. a mounting base; 6. a groove; 7. a bidirectional screw rod; 8. a splint; 9. a hand wheel; 10. a squeegee; 11. a fixed mount; 12. a bi-directional motor; 13. rotating the rod; 14. a driven bevel gear; 15. a drive bevel gear; 16. a fan blade; 17. a drive bevel gear; 18. a limiting rod; 19. a vertical screw rod; 20. a threaded sleeve; 21. a driven tooth; 22. a driving tooth; 23. a servo motor; 24. mounting a plate; 25. a vertical axis.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1:

referring to fig. 1-3, a frequency converter protection device, which includes a housing 1, a mounting seat 5 is fixedly connected to the inner wall of the bottom of the housing 1, two grooves 6 are formed in the top of the mounting seat 5, the same two-way lead screw 7 is rotatably connected between the two grooves 6, an outer side thread sleeve of the two-way lead screw 7 is provided with two clamping plates 8, one side of the housing 1 is fixedly connected with four air inlet holes, a left filter screen 4 is fixedly connected to the air inlet holes, a fixing frame 11 is fixedly connected to the inner wall of one side of the housing 1, a two-way motor 12 is fixedly connected to the top of the fixing frame 11, two output shafts of the two-way motor 12 are respectively and fixedly connected with a fan blade 16 and a driving bevel gear 15, one side of the housing 1 is rotatably connected with a rotating rod 13, an outer side of the rotating rod 13 is fixedly provided with a scraper 10 and a driven bevel gear 14, a bottom of the fixing frame 11 is fixedly connected with a servo motor 23, an output shaft 22 is fixedly connected to the output shaft of the servo motor 23, a bottom of the fixing frame 11 is rotatably connected with a threaded sleeve 20, an outer side fixing sleeve of the threaded sleeve 20 is provided with a driven tooth 21, the driving tooth 22 is engaged with a vertical lead screw 19, the threaded sleeve 20 is provided with a vertical lead screw 19, a top fixing plate is fixedly connected with a top mounting plate 24, a top rotating shaft 25, a top rotating shaft transmission shaft 25 is connected with a vertical bevel gear 17, a vertical bevel gear 17 and a vertical bevel gear 17 engaged with a vertical bevel gear 17, and a vertical bevel gear 17 engaged with a vertical bevel gear 14, and a vertical screw 14 are respectively, and a vertical screw 14 are connected with the vertical screw 14.

The utility model discloses in, the venthole has been seted up to the opposite side of shell 1, and fixedly connected with right filter screen 3 in the venthole avoids the dust to get into the pollution to the converter in the shell 1 from venthole department.

The utility model discloses in, the one end of two-way lead screw 7 extends to the outside of mount pad 5 and fixedly connected with hand wheel 9, through hand wheel 9, is convenient for rotate two-way lead screw 7.

The utility model discloses in, the front side rotation of shell 1 is connected with chamber door 2, and the front side fixedly connected with handle of chamber door 2 is convenient for carry out periodic maintenance to the converter.

The utility model discloses in, the spacing groove has been seted up to the bottom fixedly connected with gag lever post 18 of mounting panel 24 on the bottom inner wall of mount 11, and the gag lever post 18 slip cap is established at the spacing inslot, is convenient for lead mounting panel 24, makes its motion that can only the oscilaltion.

Example 2:

referring to fig. 2-3, on the basis of embodiment 1, the top of the mounting plate 24 is fixedly connected with a bearing, the vertical shaft 25 is fixedly sleeved in an inner ring of the bearing, and the vertical shaft 25 can be rotatably arranged at the top of the mounting plate 24 through the bearing, so as to support the vertical shaft 25 and enable the rotation of the vertical shaft to be more stable and smooth.

In the utility model, when in operation, the frequency converter is placed on the mounting base 5, the bidirectional screw rod 7 is rotated by the hand wheel 9, the bidirectional screw rod 7 drives the two clamping plates 8 to abut against the two sides of the frequency converter, which are close to each other, under the limit of the groove 6, the frequency converter can be fixed on the mounting base 5, the stability of the frequency converter during operation is ensured, when the maintenance is needed, the hand wheel 9 is rotated reversely, the two clamping plates 8 are kept away from each other, the frequency converter can be taken out for maintenance, when the heat dissipation of the frequency converter is needed, the bidirectional motor 12 is started, the bidirectional motor 12 drives the driving bevel gear 15 and the fan blades 16 to rotate, further, the outside cold air can be pumped into the shell 1 after being filtered by the left filter screen 4, the hot air in the shell 1 is blown out of the shell 1 from the right filter screen 3, and the air flow in the shell 1 is accelerated, the high-efficiency heat dissipation protection can be carried out on the frequency converter, when the left filter screen 4 at the air inlet needs to be cleaned after long-time work, the servo motor 23 is driven, the servo motor 23 drives the driving tooth 22 to rotate, the driving tooth 22 drives the driven tooth 21 and the threaded sleeve 20 to rotate, under the limit of the limit rod 18, the threaded sleeve 20 drives the vertical screw rod 19, the mounting plate 24 and the transmission bevel gear 17 to rise to be meshed with the driving bevel gear 15 and the driven bevel gear 14, then the servo motor 23 is closed, the bidirectional motor 12 is turned on, the driving bevel gear 15 drives the transmission bevel gear 17 to rotate, the transmission bevel gear 17 drives the driven bevel gear 14, the rotating rod 13 and the scraper 10 to rotate, further, the scraper 10 can automatically clean the four left filter screens 4 distributed by taking the rotating rod 13 as the axis, and only when the left filter screen 4 needs to be cleaned, the bevel gear 17 is moved upwards, so that the scraper 10 regularly cleans the left filter screen 4, the left filter screen 4 is prevented from being blocked by dust, impurities and the like, the heat dissipation effect is reduced, the energy consumed by the scraper in the process of rotating all the time is reduced, more energy is saved, and meanwhile, the abrasion between the left filter screen 4 and the scraper 10 is avoided.

Claims

1. The utility model provides a converter protection device, includes the shell, its characterized in that, fixedly connected with mount pad on the bottom inner wall of shell, two recesses have been seted up at the top of mount pad, rotate between two recesses and are connected with same two-way lead screw, the outside thread bush of two-way lead screw is equipped with two splint, four inlet ports of one side fixedly connected with of shell, the left filter screen of fixedly connected with in the inlet port, fixedly connected with mount on one side inner wall of shell, the top fixedly connected with two-way motor of mount, fixedly connected with flabellum and drive bevel gear respectively on two ends output shaft of two-way motor, one side of shell is rotated and is connected with the dwang, the outside fixed bush of dwang is equipped with scraper blade and driven bevel gear, the bottom fixedly connected with servo motor of mount, fixedly connected with drive tooth on servo motor's the output shaft, the bottom of mount is rotated and is connected with the thread bush, the outside fixed cover of thread bush is equipped with driven tooth, the drive tooth meshes with driven tooth with, the drive bevel gear meshes with the driven tooth mutually, the thread bush is equipped with vertical lead screw, the top fixedly connected with mounting panel, the top of vertical connection of mounting panel rotates and is connected with the vertical shaft, the top fixedly connected with bevel gear and all meshes with the transmission bevel gear and the transmission bevel gear, the transmission butt on one side of left side of the movable bevel gear filter screen.

2. The frequency converter protection device of claim 1, wherein an air outlet is formed in the other side of the housing, and a right filter screen is fixedly connected in the air outlet.

3. The frequency converter protection device of claim 1, wherein one end of the bidirectional screw rod extends to the outer side of the mounting seat and is fixedly connected with a hand wheel.

4. The protection device for the frequency converter according to claim 1, wherein a box door is rotatably connected to the front side of the housing, and a handle is fixedly connected to the front side of the box door.

5. The frequency converter protection device of claim 1, wherein a bearing is fixedly connected to the top of the mounting plate, and the vertical shaft is fixedly sleeved in an inner ring of the bearing.

6. The frequency converter protection device according to claim 1, wherein a limiting rod is fixedly connected to the bottom of the mounting plate, a limiting groove is formed in the inner wall of the bottom of the fixing frame, and the limiting rod is slidably sleeved in the limiting groove.