CN217608172U - Novel dustproof and ventilated frequency converter - Google Patents

Abstract

The utility model discloses a novel dust-proof and ventilated frequency converter, comprising a frequency converter casing, a casing is fixedly installed on one side of the top of the frequency converter casing, the bottom of the casing penetrates into the interior of the frequency converter casing, and the frequency conversion A transmission box is fixedly installed on the other side of the top of the casing of the device, a dust collecting box is fixedly installed on the top of one side of the transmission box, and a motor is fixedly installed on the top of one side of the transmission box. The dust-proof and ventilated new frequency converter is used in conjunction with the motor, the dust-absorbing impeller, the transmission rod, the transmission wheel, the belt, the driving gear, the rotating rod, the driven gear, the fan blade and the dust-absorbing plate. The transmission mechanism can drive the vacuum impeller and the fan blade to rotate at the same time, and the fan blade ventilates the inside of the inverter casing during the rotation. The dust on the surface of the dust filter can be sucked and collected by the dust collector.

Description

A new type of frequency converter with dust and ventilation

technical field

The utility model relates to the technical field of frequency converters, in particular to a novel frequency converter with dustproof ventilation.

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. It is mainly composed of rectification, filtering, inverter, braking unit, driving unit, detection unit and micro-processing unit.

In order to ensure the operating environment of the inverter, it is very important to ventilate the inside of the inverter. In contrast to the document "A new type of inverter with dust-proof ventilation", patent number (CN211959055U), through the shaft, shaft seat, windmill blades, scrapers and The filter screen, through the rotation of the cooling fan, drives the shaft and the shaft seat to rotate, so that the shaft seat rotates to drive the windmill blades and the scraper to rotate, and the scraper is attached to the filter screen, which is convenient for the scraper to rotate at the same time. Clean up to avoid dust clogging the filter and affecting the heat dissipation effect. However, after scraping the dust by the scraper, the dust will remain around the inverter or adhere to the surface of the inverter, which will affect the electrical components around the inverter and reduce the frequency of the inverter. utility of the device.

Utility model content

The purpose of the present utility model is to provide a new type of frequency converter with dustproof ventilation, so as to solve the problem that after scraping the dust by the scraper in the above-mentioned background art, the dust will remain in the periphery of the frequency converter or adhere to the surface of the frequency converter, so as to prevent the frequency converter from being damaged. The surrounding electrical components have an impact, reducing the practicality of the inverter.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a novel dust-proof and ventilated frequency converter, comprising a frequency converter casing, a casing is fixedly installed on one side of the top of the frequency converter casing, and the bottom of the casing penetrates to the frequency converter. A transmission box is fixedly installed on the other side of the top of the inverter casing, a dust collecting box is fixedly installed on the top of one side of the transmission box, and a motor is fixedly installed on the top of the inner side of the transmission box. The motor is fixedly connected with the main shaft through the output end of one side, and one end of the main shaft sequentially penetrates the inside of the transmission box and the dust collecting box and is fixedly installed with a dust suction impeller, and the inner bottom of the transmission box is provided with a transmission rod, The other end of the transmission rod runs through the transmission box and the inside of the case in turn and is fixedly installed with a driving gear. The main shaft and the surface of the transmission rod are fixedly installed with a transmission wheel on one side, and the two transmission wheels are driven by belts, so The center of the inside of the case is provided with a rotating rod, a fan blade is fixedly installed at the bottom position of the surface of the rotating rod, a driven gear is fixedly installed at the top position of the surface of the rotating rod, and the top position of the case is close to both sides. Dust nets are fixedly installed in all of them, a dust suction pipe is fixedly connected to the top of one side of the dust collecting box, and a dust suction plate is fixedly connected to one end of the dust suction pipe.

Preferably, a dust filter screen is fixedly installed inside the dust box corresponding to one side of the dust suction impeller, which can isolate the inhaled dust.

Preferably, one end of the transmission rod is movably connected with a bearing that is fixedly installed at the bottom of the transmission box, so as to ensure the rotation stability of the transmission rod.

Preferably, the top and bottom of the rotating rod are respectively movably connected with the bearings fixedly installed in the center of the top and the inner bottom of the chassis, so as to ensure the rotation stability of the rotating rod.

Preferably, the driving gear and the driven gear are both bevel gears, and the driving gear and the driven gear are meshed with each other.

Preferably, ventilation pipes are fixedly connected to both sides of the bottom of the chassis, and the interior of the inverter casing is ventilated through the ventilation pipes.

Preferably, the bottom of the dust-absorbing plate is provided with a dust-absorbing groove, through which the dust adhering to the dust-proof net can be absorbed and removed.

Preferably, a box door is movably installed on the front surface of the dust collecting box, and a handle is fixedly installed on the front surface of the box door, and the dust collected inside the dust collecting box can be cleaned regularly by opening the box door.

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

The dust-proof and ventilated new frequency converter is used in conjunction with the motor, dust suction impeller, transmission rod, transmission wheel, belt, driving gear, rotating rod, driven gear, fan blade and dust suction plate. The transmission mechanism can drive the vacuum impeller and the fan blade to rotate at the same time, and the fan blade ventilates the inside of the inverter casing during the rotation. The dust on the surface of the dust-proof net can be absorbed and collected by the dust-absorbing plate, thereby improving the dust-proof ventilation effect, prolonging the service life of the inverter, and facilitating the use of the user.

Description of drawings

Fig. 1 is the structural perspective view of the utility model;

Fig. 2 is the structural sectional view of the utility model;

Fig. 3 is the partial enlarged schematic diagram of A in Fig. 2 of the utility model;

FIG. 4 is a partial enlarged schematic view of B in FIG. 2 of the present invention.

In the picture: 1. Inverter shell; 2. Chassis; 3. Ventilation pipe; 4. Transmission box; 5. Motor; 6. Spindle; 7. Dust collecting box; 8. Dust suction impeller; 9. Dust filter; Transmission rod; 11, transmission wheel; 12, belt; 13, driving gear; 14, rotating rod; 15, driven gear; 16, fan blade; 17, dust collector; 18, dust pipe; 19, dust net .

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.

1-4, the present utility model provides a technical solution: a novel dust-proof and ventilated frequency converter, comprising a frequency converter casing 1, a casing 2 is fixedly installed on one side of the top of the frequency converter casing 1, and the bottom of the casing 2 is fixedly installed. It penetrates to the inside of the inverter shell 1, and the bottom of the chassis 2 is fixedly connected to the two sides with ventilation pipes 3. The interior of the inverter shell 1 is ventilated through the ventilation pipes 3, and the other side of the top of the inverter shell 1 is fixedly installed. There is a transmission box 4, a dust collecting box 7 is fixedly installed on the top of one side of the transmission box 4, a motor 5 is fixedly installed on the top of the inner side of the transmission box 4, and a main shaft 6 is fixedly connected to the motor 5 through its output end on one side. One end of 6 runs through the transmission box 4 and the inside of the dust collecting box 7 in turn, and is fixedly installed with a dust suction impeller 8, and a dust filter 9 is fixedly installed inside the dust collecting box 7 corresponding to the side of the dust suction impeller 8, which can be used for the inhaled dust. The dust is isolated, the inner bottom of the transmission box 4 is provided with a transmission rod 10, and one end of the transmission rod 10 is movably connected with the bearing fixedly installed at the bottom of the transmission box 4, which ensures the rotation stability of the transmission rod 10. The other end of the 10 runs through the inside of the transmission case 4 and the case 2 in turn and is fixedly installed with the driving gear 13. The main shaft 6 and the surface of the transmission rod 10 are fixedly installed with a transmission wheel 11 on one side, and the two transmission wheels 11 pass through the belt 12. Transmission, the center inside the case 2 is provided with a rotating rod 14, the top and bottom of the rotating rod 14 are respectively movably connected with the bearings fixedly installed in the center of the top and inner bottom of the casing 2, which ensures the rotation stability of the rotating rod 14, and the rotating rod 14 The fan blade 16 is fixedly installed at the bottom position of the surface, and the driven gear 15 is fixedly installed at the top position of the surface of the rotating rod 14. The driving gear 13 and the driven gear 15 are both bevel gears, and the driving gear 13 and the driven gear 15. Meshing, dust-proof nets 19 are fixedly installed on both sides of the top of the cabinet 2, a dust-collecting pipe 18 is fixedly connected to the top of one side of the dust-collecting box 7, and a dust-absorbing plate 17 is fixedly connected to one end of the dust-collecting pipe 18. The bottom of the dust plate 17 is provided with a dust suction slot, through which the dust adhering to the dust net 19 can be sucked out. The front surface of the dust collecting box 7 is movably installed with a box door, and the front surface of the box door is fixedly installed with a The handle can periodically open the box door to clean the dust collected inside the dust collecting box 7 .

Working principle: When ventilating the interior of the inverter, control the starting motor 5 to make the main shaft 6 drive the dust suction impeller 8 to rotate, and suck the dust on the dustproof net 19 on the top of the chassis 2 into the dust collection through the dust suction groove at the bottom of the dust suction plate 17. In the box 7, the dust is isolated by the dust filter screen 9. When the main shaft 6 rotates, it drives the transmission wheel 11 on the transmission rod 10 to rotate at the same time through the belt 12. At this time, the transmission rod 10 drives the driving gear 13 to mesh with the driven gear 15 to rotate. The driven gear 15 drives the rotating rod 14 to rotate the fan blades 16, thereby ventilating the interior of the inverter casing 1 through the ventilation pipe 3 at the bottom of the casing 2, and cleaning the dust attached to the casing 2 during the ventilation process, which is beneficial to Improve ventilation efficiency.

To sum up: this new type of dust-proof and ventilated frequency converter, through the motor 5, the dust suction impeller 8, the transmission rod 10, the transmission wheel 11, the belt 12, the driving gear 13, the rotating rod 14, the driven gear 15, the fan blade 16 Used in conjunction with the dust suction plate 17, the motor 5 can drive the dust suction impeller 8 and the fan blade 16 to rotate at the same time through the transmission mechanism when the motor 5 is working. At the same time, in order to prevent the dust from adhering to the dustproof net 19 and causing poor ventilation, the dust suction impeller 8 rotates through the dust suction plate 17 to absorb and collect the dust on the surface of the dustproof net 19, thereby improving the dustproof ventilation effect. , prolonging the service life of the inverter and facilitating the use of the user.

It should be noted that, in this document, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

The electrical components appearing in this paper are all connected with the external main controller and 220V mains, and the main controller can be a conventional known device that controls a servo motor, a contact sensor, a processor, an alarm module and a drive module, etc. The standard parts used in this application document can be purchased from the market, and the specific connection methods of each part are connected by conventional means such as bolts, rivets, welding, etc., which are mature in the prior art, and the machinery, parts and equipment are all connected by existing There are conventional models in the prior art, and the circuit connection adopts the conventional connection manner in the prior art, and will not be described in detail here.

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 (8)

1. The utility model provides a novel converter of dustproof ventilation, includes converter shell (1), its characterized in that: a case (2) is fixedly installed on one side of the top of the frequency converter shell (1), the bottom of the case (2) penetrates through the inside of the frequency converter shell (1), a transmission case (4) is fixedly installed on the other side of the top of the frequency converter shell (1), a dust collection case (7) is fixedly installed on the top of one side of the transmission case (4), a motor (5) is fixedly installed on the top of one side in the transmission case (4), the motor (5) is fixedly connected with a spindle (6) through an output end on one side of the motor, one end of the spindle (6) sequentially penetrates through the insides of the transmission case (4) and the dust collection case (7) and is fixedly provided with a dust collection impeller (8), a transmission rod (10) is arranged on the inner bottom of the transmission case (4), the other end of the transmission rod (10) sequentially penetrates through the insides of the transmission case (4) and the case (2) and is fixedly provided with a driving gear (13), transmission wheels (11) are fixedly installed on one side of the surfaces of the spindle (6) and the transmission rod (10), two transmission wheels (11) are driven by a belt (12), a rotating rod (14) is arranged at the center of the inside of the case (2), a surface of the case (14), and a driven rod (14) is fixedly arranged on the top of the surface of the driven gear (14), dust screens (19) are fixedly mounted at positions close to two sides of the top of the case (2), the top of one side of the dust collection box (7) is fixedly communicated with a dust collection pipe (18), and one end of the dust collection pipe (18) is fixedly communicated with a dust collection plate (17).

2. The novel dustproof and ventilated frequency converter according to claim 1, characterized in that: a dust filtering net (9) is fixedly arranged at one side of the interior of the dust collection box (7) corresponding to the dust collection impeller (8).

3. The novel dustproof and ventilated frequency converter according to claim 1, characterized in that: one end of the transmission rod (10) is movably connected with a bearing fixedly arranged at the position close to the bottom of one side in the transmission box (4).

4. The novel dustproof and ventilated frequency converter according to claim 1, characterized in that: the top and the bottom of the rotating rod (14) are respectively and movably connected with bearings fixedly arranged at the centers of the inner top and the inner bottom of the case (2).

5. The novel dustproof and ventilated frequency converter according to claim 1, characterized in that: the driving gear (13) and the driven gear (15) are both conical gears, and the driving gear (13) is meshed with the driven gear (15).

6. The novel dustproof and ventilated frequency converter according to claim 1, characterized in that: and the positions close to the two sides of the bottom of the case (2) are fixedly communicated with ventilation pipes (3).

7. The novel dustproof and ventilated frequency converter according to claim 1, characterized in that: the bottom of the dust collection plate (17) is provided with a dust collection groove.

8. The novel dustproof and ventilated frequency converter according to claim 1, characterized in that: a box door is movably arranged on the front surface of the dust collection box (7), and a handle is fixedly arranged on the front surface of the box door.

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