CN210985871U

CN210985871U - Energy-saving permanent magnet motor

Info

Publication number: CN210985871U
Application number: CN201922311124.2U
Authority: CN
Inventors: 吕志强
Original assignee: Renqiu Qiangdong Motor Co ltd
Current assignee: Renqiu Qiangdong Motor Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-07-10
Anticipated expiration: 2029-12-20

Abstract

The utility model relates to a permanent-magnet machine technical field just discloses an energy-conserving permanent-magnet machine, which comprises a housin, the inner chamber swing joint of casing has the pivot, the fixed rotor that has cup jointed in the middle part of pivot, the surface activity of pivot has cup jointed the rear end cap, the both ends fixed mounting of pivot has left flabellum and right flabellum, the fresh air inlet has been seted up to the right-hand member of casing, the exhaust hole has been seted up on the surface of casing, the bottom surface fixed mounting of casing has the frame. The utility model discloses a rotation of left flabellum and right flabellum makes the cooling air in the inner chamber formation return circuit of casing, and the rotation of right flabellum drives the outer cold wind of casing and passes through the fresh air inlet and get into in the casing, to the inside cooling of device, and the wind after the cooling reaches the position of left flabellum through the rotor, and the wind after the left flabellum will cool down is in the outside of exhausting hole discharge casing, and the cooling air drives the quick device outside that spreads of heat, the radiating effect of improvement device.

Description

Energy-saving permanent magnet motor

Technical Field

The utility model relates to a permanent-magnet machine technical field specifically is an energy-conserving permanent-magnet machine.

Background

The permanent magnet synchronous motor is a synchronous motor which generates a synchronous rotating magnetic field by permanent magnet excitation, the permanent magnet is used as a rotor to generate a rotating magnetic field, and a three-phase stator winding is reacted through an armature under the action of the rotating magnetic field to induce three-phase symmetrical current.

Permanent-magnet machine can produce a large amount of heats at the during operation, and current permanent-magnet machine adopts the rear end installation fan at the rotor mostly to dispel the heat, nevertheless because sealing connection between motor rear end cap and the aircraft bonnet, just can dispel the heat to the motor through the fan after the heat that motor work produced passes through the transmission of rear end cap, has reduced the radiating effect of motor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an energy-conserving permanent-magnet machine possesses the radiating effect who increases the device, and timely dispels the heat to the motor, increases the life's of device advantage, has solved the problem that proposes among the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides an energy-conserving permanent-magnet machine, includes the casing, the inner chamber swing joint of casing has the pivot, the fixed cover in middle part of pivot has connect the rotor, the surface activity of pivot has cup jointed the rear end cap, the both ends fixed mounting of pivot has left flabellum and right flabellum, the fresh air inlet has been seted up to the right-hand member of casing, the exhaust hole has been seted up on the surface of casing, the bottom surface fixed mounting of casing has the frame.

Carefully, the left end swing joint of pivot has the front end housing, the inner chamber fixed mounting of casing has the stator, the stator is located the outside of pivot on the horizontal direction, the left surface fixed mounting of front end housing has the bearing cap, the left end of pivot runs through and extends to the left surface of bearing cap.

Carefully, the bottom surface fixed mounting of frame has the oil tank, the inner chamber fixed mounting of oil tank has the oil pump, the both ends fixed mounting of oil pump has oil pipe.

And carefully selecting, wherein three lifting lugs are fixedly arranged on the surface of the shell and are respectively positioned at the top end of the shell and the front end and the rear end of the shell.

And the left fan blade and the right fan blade are respectively positioned on the left surface and the right surface of the rotating shaft.

And in selection, the front end cover and the bearing cover are movably connected with the rotating shaft.

Carefully selecting, the left end of the oil pipe is located on the left side of the left fan blade in the horizontal direction, the right end of the oil pipe is located on the left end of the right fan blade in the horizontal direction, and the top end of the oil pipe is in contact with the bottom surface of the rotating shaft.

Carefully selecting, the exhaust hole is located the right side of front end housing on the horizontal direction, the surface of rear end housing is seted up the ventilation hole.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a left flabellum of surface mounting and right flabellum in the pivot, the pivot drives left flabellum and right flabellum rotation when rotatory, the rotatory cooling air that makes through left flabellum and right flabellum forms the return circuit at the inner chamber of casing, the rotation of right flabellum drives in the outer cold wind of casing passes through the fresh air inlet gets into the casing, to the inside cooling of device, wind after the cooling passes to the position of left flabellum through the rotor, the wind after the cooling is being followed the outside of exhaust hole discharge casing, the cooling air drives the quick device outside that spreads of heat, the radiating effect of improvement device.

2. The utility model discloses an oil pump takes the lubricating oil in with the oil tank out, send to the inner chamber of casing through oil pipe, top and pivot contact through oil pipe, make lubricating oil paint on the surface of pivot, the wind that produces through the rotation of left flabellum and right flabellum blows the inner chamber to front end housing and rear end cap with changeing epaxial lubricating oil, lubricate the pivot, noise in the reduction device operation, through the surface mounting lug at the casing, can hang through the lug when transporting the device to the eminence and get, increase the practicality of device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural section view of the present invention;

fig. 3 is an explosion diagram of the structure of the present invention.

In the figure: 1. a housing; 2. a rotating shaft; 3. a rotor; 4. a stator; 5. a rear end cap; 6. a front end cover; 7. a bearing cap; 8. a left fan blade; 9. a right fan blade; 10. a frame; 11. an oil tank; 12. an oil pump; 13. an oil pipe; 14. lifting lugs; 15. an exhaust hole; 16. and air inlet holes.

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, an energy-saving permanent magnet motor includes a housing 1, three lifting lugs 14 are fixedly mounted on the surface of the housing 1, the three lifting lugs 14 are respectively located at the top end of the housing 1 and the front and rear ends of the housing 1, the lifting lugs 14 are mounted on the surface of the housing 1, the device can be lifted through the lifting lugs 14 when being transported to a high place, an inner cavity of the housing 1 is movably connected with a rotating shaft 2, the left end of the rotating shaft 2 is movably connected with a front end cover 6, the inner cavity of the housing 1 is fixedly mounted with a stator 4, the stator 4 is located at the outer side of the rotating shaft 2 in the horizontal direction, the stator 4 is electrified to generate a magnetic field, so that the rotor 3 drives the rotating shaft 2 to rotate in the stator 4, a bearing cover 7 is fixedly mounted on the left side of the front end cover 6, the left end of the rotating shaft 2 penetrates and extends to the left side of the bearing cover 7, the, the surface of the rotating shaft 2 is movably sleeved with a rear end cover 5, the surface of the rear end cover 5 is provided with a communicating groove, air enters the middle of the rotor 3 and the stator 4 for heat dissipation through the communicating groove on the rear end cover 5, both ends of the rotating shaft 2 are fixedly provided with a left fan blade 8 and a right fan blade 9, the left fan blade 8 and the right fan blade 9 are not contacted with an oil pipe 13, the left fan blade 8 and the right fan blade 9 are respectively positioned on the left side and the right side of the rotating shaft 2, the left fan blade 8 and the right fan blade 9 are arranged on the surface of the rotating shaft 2, the rotating shaft 2 drives the left fan blade 8 and the right fan blade 9 to rotate when rotating, cooling air forms a loop in the inner cavity of the shell 1 through the rotation of the left fan blade 8 and the right fan blade 9, an air inlet hole 16 is arranged on the right end of the shell 1, cold air outside the shell 1 is driven by the rotation of the, the exhaust hole 15 is positioned on the right side of the front end cover 6 in the horizontal direction, the surface of the rear end cover 5 is provided with a vent hole, the cooled wind is transmitted to the position of the left fan blade 8 through the rotor 3, the left fan blade 8 exhausts the cooled wind out of the shell 1 from the exhaust hole 15, the cooling wind drives heat to rapidly spread out outside the device, the bottom surface of the shell 1 is fixedly provided with a rack 10, the bottom surface of the rack 10 is fixedly provided with an oil tank 11, the inner cavity of the oil tank 11 is fixedly provided with an oil pump 12, two ends of the oil pump 12 are fixedly provided with oil pipes 13, the oil pump 12 pumps out lubricating oil in the oil tank 11, the lubricating oil is conveyed to the inner cavity of the shell 1 through the oil pipes 13 and is contacted with the rotating shaft 2 through the top ends of the oil pipes 13, the lubricating oil is smeared on the surface of the rotating shaft 2, the left end of the oil pipe 13, the top of oil pipe 13 contacts with 2 bottom surfaces of pivot, blows the inner chamber of front end housing 6 and rear end housing 5 with the lubricating oil on the pivot 2 through the wind of the rotation production of left flabellum 8 and right flabellum 9, lubricates pivot 2, reduces the noise of device in service.

The working principle is as follows: when the device is used, the stator 4 is electrified to generate a magnetic field, so that the rotor 3 drives the rotating shaft 2 to rotate in the stator 4, the left fan blade 8 and the right fan blade 9 are installed on the surface of the rotating shaft 2, the rotating shaft 2 drives the left fan blade 8 and the right fan blade 9 to rotate when rotating, cooling air forms a loop in an inner cavity of the shell 1 through the rotation of the left fan blade 8 and the right fan blade 9, cold air outside the shell 1 is driven by the rotation of the right fan blade 9 to enter the shell 1 through the air inlet hole 16, the inside of the device is cooled, the cooled air is transmitted to the position of the left fan blade 8 through the rotor 3, the left fan blade 8 discharges the cooled air out of the shell 1 from the air outlet hole 15, the cooling air drives heat to be rapidly transmitted out of the device, lubricating oil in the oil tank 11 is pumped out through the oil pump 12 and is transmitted to the inner cavity of the shell 1 through the oil pipe 13, and is contacted with the, the lubricating oil on the rotating shaft 2 is blown to the inner cavities of the front end cover 6 and the rear end cover 5 by wind generated by the rotation of the left fan blade 8 and the right fan blade 9, the rotating shaft 2 is lubricated, the noise in the operation of the device is reduced, and the device can be hung and taken by the lifting lugs 14 when being conveyed to a high place through the lifting lugs 14 arranged on the surface of the shell 1.

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. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

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. An energy-conserving permanent-magnet machine, includes casing (1), its characterized in that: the inner chamber swing joint of casing (1) has pivot (2), rotor (3) have been cup jointed to the middle part of pivot (2) is fixed, rear end cap (5) have been cup jointed in the surface activity of pivot (2), the both ends fixed mounting of pivot (2) has left flabellum (8) and right flabellum (9), fresh air inlet (16) have been seted up to the right-hand member of casing (1), exhaust hole (15) have been seted up on the surface of casing (1), the bottom surface fixed mounting of casing (1) has frame (10).

2. An energy-saving permanent magnet motor according to claim 1, wherein: the left end swing joint of pivot (2) has front end housing (6), the inner chamber fixed mounting of casing (1) has stator (4), stator (4) lie in the outside of pivot (2) on the horizontal direction, the left surface fixed mounting of front end housing (6) has bearing cap (7), the left end of pivot (2) runs through and extends to the left surface of bearing cap (7).

3. An energy-saving permanent magnet motor according to claim 1, wherein: the oil tank (11) is fixedly mounted on the bottom surface of the rack (10), an oil pump (12) is fixedly mounted in an inner cavity of the oil tank (11), and oil pipes (13) are fixedly mounted at two ends of the oil pump (12).

4. An energy-saving permanent magnet motor according to claim 1, wherein: the surface of the shell (1) is fixedly provided with three lifting lugs (14), and the three lifting lugs (14) are respectively positioned at the top end of the shell (1) and the front end and the rear end of the shell (1).

5. An energy-saving permanent magnet motor according to claim 1, wherein: left side flabellum (8) and right flabellum (9) do not contact with oil pipe (13), left side flabellum (8) and right flabellum (9) are located the left side and the right side of pivot (2) respectively.

6. An energy-saving permanent magnet motor according to claim 2, wherein: the front end cover (6) and the bearing cover (7) are movably connected with the rotating shaft (2).

7. An energy-saving permanent magnet motor according to claim 3, wherein: the left end of oil pipe (13) is located the left side of left flabellum (8) on the horizontal direction, the right-hand member of oil pipe (13) is located the left end of right flabellum (9) on the horizontal direction, the top and the pivot (2) bottom surface contact of oil pipe (13).

8. An energy-saving permanent magnet motor according to claim 1, wherein: the exhaust hole (15) is located on the right side of the front end cover (6) in the horizontal direction, and a vent hole is formed in the surface of the rear end cover (5).