CN210959083U

CN210959083U - Permanent magnet synchronous motor control device

Info

Publication number: CN210959083U
Application number: CN201921802578.3U
Authority: CN
Inventors: 张铸; 饶盛华; 张仕杰; 王静袁
Original assignee: Hunan University of Science and Technology
Current assignee: Hunan University of Science and Technology
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-07-07
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a PMSM controlling means, including box and chamber door, the surface of box is articulated through one side of hinge and chamber door, the equal fixedly connected with fan in bottom on the left top of box and right side, and the one end fixedly connected with dwang of fan output shaft, the one end that the fan was kept away from to the dwang runs through the inside that the box extended to the box, the utility model relates to a motor control device technical field. This PMSM controlling means, through the equal fixedly connected with fan in the left top of box and the bottom on right side, the one end fixedly connected with dwang of fan output shaft, the one end that the fan was kept away from to the dwang runs through the box and extends to the inside of box, the dust of fan on the device inner wall blows off, absorb through the dust catcher simultaneously, the framework is collected the dust, be convenient for remove dust to controlling means is inside, prevent that inside electrical components from receiving the damage, guarantee that controlling means normally works.

Description

Permanent magnet synchronous motor control device

Technical Field

The utility model relates to a motor control technical field specifically is a permanent magnet synchronous motor controlling means.

Background

The permanent magnet synchronous motor is a synchronous motor which generates a synchronous rotating magnetic field by permanent magnet excitation, the permanent magnet on the rotor generates a rotating magnetic field, the three-phase stator winding is reacted through an armature under the action of the rotating magnetic field to induce three-phase symmetrical current, at the moment, the kinetic energy of the rotor is converted into electric energy, the permanent magnet synchronous motor is used as a generator, in addition, when the three-phase symmetrical current is introduced to the stator side, the three-phase stator current generates the rotating magnetic field in the space due to the difference of one hundred twenty degrees in the spatial position of the three-phase stator, the three-phase stator current and the rotor permanent magnet magnetic field interact to generate electromagnetic torque, at the moment.

Permanent magnet synchronous motor controls through motor control device, and motor control device is after long-time the use, and inside more dust that accumulates easily influences the radiating effect, and outside dust is inside from thermovent entering device easily simultaneously, causes the damage to inside electrical components easily, influences its normal work, and the inside mechanism that does not set up the dust removal of current controlling means, and comparatively troublesome through the manual cleaning, the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a PMSM controlling means has solved motor control means and has used the back for a long time, and inside accumulates more dust easily, and outside dust causes the damage to inside electrical components easily inside the thermovent entering device easily simultaneously from inside, influences the problem of its normal work.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a permanent magnet synchronous motor control device comprises a box body and a box door, wherein the surface of the box body is hinged with one side of the box door through a hinge, fans are fixedly connected to the left top and the right bottom of the box body, one end of a fan output shaft is fixedly connected with a rotating rod, one end of the rotating rod, which is far away from the fans, penetrates through the box body and extends into the box body, fan blades are fixedly connected to the top and the bottom of one end, which extends to the inner wall of the box body, of the rotating rod, filter screens are fixedly connected to the left top and the right bottom of the inner wall of the box body and are positioned on the peripheries of the fan blades, a shell is fixedly connected to the top of the box body and positioned in the shell, a dust collector is fixedly connected to the top of the box body, an air inlet of the dust collector is communicated with, the surface that first intake pipe extends to the inside one end of box is intercommunication has the second intake pipe.

Preferably, the first air inlet pipe extends to the inner end of the box body, the suction nozzle is fixedly connected with one end of the second air inlet pipe far away from the first air inlet pipe, and the collecting box is movably connected to the top of the box body and located inside the shell.

Preferably, the air outlet of the dust collector is communicated with the right side of the collecting box through an air outlet pipe, and the bottom of the inner wall of the box body is movably connected with a frame body.

Preferably, the heat dissipation hole is formed in the bottom of the left side of the box body, and a dust screen is movably connected to the bottom of the left side of the inner wall of the box body and located on one side of the heat dissipation hole.

Preferably, the top and the bottom of the side of the inner wall of the box body far away from the dust screen are both in threaded connection with bolts, and one end of each bolt close to the dust screen sequentially penetrates through the dust screen and the box body and extends to the outside of the box body.

Preferably, the bolt extends to the surface of the outside one end of the box and is located the left side swing joint of box and has a check washer, the bolt extends to the surface of the outside one end of the box and is located the left side threaded connection of check washer and has the nut.

Preferably, the top of the two sides of the inner wall of the box body is fixedly connected with a supporting plate, the top of the supporting plate is movably connected with an outer cover, and the bottom of the box body is fixedly connected with a fixing plate.

Advantageous effects

The utility model provides a PMSM controlling means. Compared with the prior art, the method has the following beneficial effects:

(1) the permanent magnet synchronous motor control device is characterized in that a fan is fixedly connected with the top of the left side and the bottom of the right side of a box body, a rotating rod is fixedly connected with one end of an output shaft of the fan, one end of the rotating rod, far away from the fan, penetrates through the box body and extends into the box body, the top and the bottom of the rotating rod, extending to one end of the inner wall of the box body, are fixedly connected with fan blades, a shell is fixedly connected with the top of the box body, a dust collector is fixedly connected with the top of the box body and positioned in the shell, an air inlet of the dust collector is communicated with a first air inlet pipe, the surface of the first air inlet pipe, extending to one end of the interior of the box body, is communicated with a second air inlet pipe, a suction nozzle is fixedly connected with one end of the first air inlet pipe, extending, the fan blows off the dust on the inner wall of the device, and the dust is sucked by the dust collector, the frame body collects the dust, the dust is conveniently removed from the inside of the control device, the internal electrical elements are prevented from being damaged, and the control device is ensured to normally work.

(2) The permanent magnet synchronous motor control device is characterized in that heat dissipation holes are formed in the left bottom of the box body, a dust screen is movably connected to the left bottom of the inner wall of the box body and one side of the heat dissipation holes, bolts are in threaded connection with the top and the bottom of the dust screen, which are far away from one side of the inner wall of the box body, one ends of the bolts, which are close to the dust screen, sequentially penetrate through the dust screen and the box body and extend to the outside of the box body, the bolts extend to the surface of one end outside the box body and are in threaded connection with nuts on the left side of the box body, supporting plates are fixedly connected to the tops of the two sides of the inner wall of the box body, and the, in the radiating, prevent that external dust from getting into inside the device, and the dust screen can dismantle and clear up, it is more convenient to use, and the drier in the dustcoat can play damp-proofing effect simultaneously.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: the device comprises a box body 1, a box door 2, a fan 3, a rotating rod 4, fan blades 5, a filter screen 6, a shell 7, a dust collector 8, a first air inlet pipe 9, a second air inlet pipe 10, a suction nozzle 11, a collecting box 12, a frame 13, heat dissipation holes 14, a dust screen 15, a bolt 16, a check gasket 17, a nut 18, a support plate 19, a cover 20 and a fixing plate 21.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a permanent magnet synchronous motor control device comprises a box body 1 and a box door 2, wherein supporting plates 19 are fixedly connected to the tops of two sides of the inner wall of the box body 1, an outer cover 20 is movably connected to the top of each supporting plate 19, drying agents are arranged on the tops of the supporting plates 19 and inside the outer cover 20 and have a drying effect on the interior of the box body 1, a fixing plate 21 is fixedly connected to the bottom of the box body 1, a plurality of heat dissipation holes 14 are formed in the bottom of the left side of the inner wall of the box body 1, a dust screen 15 is movably connected to one side of the heat dissipation holes 14 at the bottom of the left side of the inner wall of the box body 1, external dust is prevented from entering the device during heat dissipation, bolts 16 are connected to the tops and the bottoms of the dust screens 15, which are far away from the inner wall of the box body 1, and check gaskets 17 are movably, through the arrangement of the anti-loosening gasket 17, the nut 18 is not easy to loosen, the bolt 16 extends to the surface of one end outside the box body 1, the nut 18 is connected to the left side of the anti-loosening gasket 17 through threads, the dustproof net 15 can be detached and cleaned through the arrangement of the bolt 16 and the nut 18, the use is more convenient, one end of the bolt 16 close to the dustproof net 15 sequentially penetrates through the dustproof net 15 and the box body 1 and extends to the outside of the box body 1, the surface of the box body 1 is hinged to one side of the box door 2 through a hinge, the left top and the right bottom of the box body 1 are both fixedly connected with the fan 3, the fan 3 is controlled through an external control mechanism, one end of an output shaft of the fan 3 is fixedly connected with the rotating rod 4, one end of the rotating rod 4, far away from the fan 3, penetrates through the box body 1 and extends to the, the top of the left side of the inner wall of the box body 1 and the bottom of the right side and the periphery of the fan blade 5 are fixedly connected with a filter screen 6, the filter screen 6 is arranged to ensure that the surface of the fan blade 5 is not easy to accumulate dust and is convenient to clean, the top of the box body 1 is fixedly connected with a shell 7, the top of the box body 1 and the inside of the shell 7 are fixedly connected with a dust collector 8, the dust collector 8 is controlled by an external control mechanism, an air outlet pipe is arranged at an air outlet of the dust collector 8, the air outlet of the dust collector 8 is communicated with the right side of a collecting box 12 through the air outlet pipe, the bottom of the inner wall of the box body 1 is movably connected with a frame body 13, through the arrangement of the frame body 13, the dust falling at the bottom of the box body 1 is convenient to collect, an air inlet of the dust collector 8 is communicated with a first air inlet pipe 9, one end, the inside swing joint that the top of box 1 just is located shell 7 has collecting box 12, and one side and the outlet duct plug-in of collecting box 12 are connected, and the one end that dust catcher 8 was kept away from to first intake pipe 9 runs through box 1 and extends to the inside of box 1, and the surface intercommunication that first intake pipe 9 extended to the inside one end of box 1 has second intake pipe 10, and first intake pipe 9 is the rubber hard tube with second intake pipe 10.

When the box is used, the fans 3 on the two sides are started, the fans 3 drive the rotating rod 4 to rotate, the rotating rod 4 drives the fan blades 5 to rotate, the inner wall of the box body 1 is swept, dust on the inner wall of the box body 1 is blown off, the dust collector 8 is opened at the same time, the dust collector 8 sucks scattered dust through the first air inlet pipe 9, the second air inlet pipe 10 and the suction nozzle 11, the dust is discharged into the collection box 12 through the air outlet pipe to be convenient for subsequent centralized treatment, meanwhile, a part of dust falls into the frame body 13 at the bottom of the box body 1, the box door 2 is subsequently opened, the frame body 13 is taken out to be cleaned, a drying agent is stored in an outer cover 20 arranged in the box body 1, a damp-proof effect is achieved on the interior of the box body 1, the dust screen 15 is installed on one side of the heat dissipation holes 14 through the bolts 16 while heat dissipation holes 14 are dissipated, a dust, when cleaning, the nut 18 is unscrewed from the bolt 16, and the dust screen 15 can be detached by taking out the bolt 16.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a PMSM controlling means, includes box (1) and chamber door (2), the surface of box (1) is articulated its characterized in that through one side of hinge and chamber door (2): the utility model discloses a box, including box (1), dwang (4), the one end fixedly connected with dwang (4) of fan (3) output shaft, the one end that fan (3) were kept away from in dwang (4) runs through box (1) and extends to the inside of box (1), dwang (4) extend to the top and the equal fixedly connected with flabellum (5) in bottom of box (1) inner wall one end, the bottom of box (1) inner wall left top and right side just is located the equal fixedly connected with filter screen (6) in periphery of flabellum (5), the top fixedly connected with shell (7) of box (1), the top of box (1) just is located inside fixedly connected with dust catcher (8) of shell (7), and the air inlet intercommunication of dust catcher (8) has first intake pipe (9), the one end that dust catcher (8) was kept away from in first intake pipe (9) runs through box (1) and extends to the one end of box (1) The first air inlet pipe (9) extends to the surface of one end inside the box body (1) and is communicated with a second air inlet pipe (10).

2. The permanent magnet synchronous motor control device according to claim 1, characterized in that: the air purifier is characterized in that one end of the first air inlet pipe (9) extending to the interior of the box body (1) and one end of the second air inlet pipe (10) far away from the first air inlet pipe (9) are fixedly connected with a suction nozzle (11), and the top of the box body (1) is movably connected with a collecting box (12) located inside the shell (7).

3. The permanent magnet synchronous motor control device according to claim 2, characterized in that: the air outlet of the dust collector (8) is communicated with the right side of the collecting box (12) through an air outlet pipe, and the bottom of the inner wall of the box body (1) is movably connected with a frame body (13).

4. The permanent magnet synchronous motor control device according to claim 1, characterized in that: the box is characterized in that the heat dissipation holes (14) are formed in the left bottom of the box body (1), and a dust screen (15) is movably connected to the left bottom of the inner wall of the box body (1) and located on one side of each heat dissipation hole (14).

5. The permanent magnet synchronous motor control device according to claim 4, characterized in that: the top and the bottom of box (1) inner wall one side are kept away from in dust screen (15) all threaded connection have bolt (16), the one end that bolt (16) are close to dust screen (15) runs through dust screen (15) and box (1) in proper order and extends to the outside of box (1).

6. The permanent magnet synchronous motor control device according to claim 5, characterized in that: bolt (16) extend to the surface of the outside one end of box (1) and the left side swing joint that is located box (1) has check washer (17), bolt (16) extend to the surface of the outside one end of box (1) and the left side threaded connection who is located check washer (17) has nut (18).

7. The permanent magnet synchronous motor control device according to claim 1, characterized in that: the top of box (1) inner wall both sides all fixedly connected with backup pad (19), and the top swing joint of backup pad (19) has dustcoat (20), the bottom fixedly connected with fixed plate (21) of box (1).