CN213717717U - Energy-saving permanent magnet synchronous motor for industrial fan - Google Patents
Energy-saving permanent magnet synchronous motor for industrial fan Download PDFInfo
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- CN213717717U CN213717717U CN202022588270.2U CN202022588270U CN213717717U CN 213717717 U CN213717717 U CN 213717717U CN 202022588270 U CN202022588270 U CN 202022588270U CN 213717717 U CN213717717 U CN 213717717U
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- permanent magnet
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Abstract
The utility model relates to an energy-conserving permanent magnet synchronous motor for industrial fan, including the casing, still include stator and the rotor of installing in the casing, be equipped with a plurality of stators in the casing, the stator is arranged in the outside of rotor, the rotor includes rotor core, permanent magnet, rotor core sets up a plurality of pairs of permanent magnet grooves along the axial, the permanent magnet imbeds in the permanent magnet groove, the permanent magnet comprises two permanent magnet monomers, the shape and the polarity array direction of two permanent magnet monomers are the same, through the mutual attraction together of magnetic force, the casing is the ring form, be equipped with the foot rest on the casing, casing both ends opening part is equipped with upper end cover and lower end cover respectively, the utility model discloses simple structure, the permanent magnet comprises two permanent magnet monomers, the shape and the polarity array direction of two permanent magnet monomers are the same, the cross section of permanent magnet is the, the permanent magnets are tightly attached together due to the shape, the arrangement is tight, and the cogging torque is small.
Description
Technical Field
The utility model relates to a permanent-magnet machine technical field especially relates to an industrial fan is with energy-conserving PMSM.
Background
The industrial fan is used as a device for ventilating air in a large-space factory building, is widely applied to industrial production, is low in manufacturing cost, has low energy consumption during operation, and has only one percent of the cost of an air conditioner;
the permanent magnet synchronous motor is used as a power mechanism of the industrial fan, the running quality of the industrial fan is directly influenced by the quality of the permanent magnet synchronous motor, the smaller the cogging torque is, the smaller the vibration of the motor during rotation is, the higher the efficiency of the permanent magnet synchronous motor is, and the better the control precision is, so the smaller the cogging torque of the permanent magnet synchronous motor is, the better the rotor arrangement in the existing permanent magnet motor is, the large spacing gap is and the large cogging torque is.
SUMMERY OF THE UTILITY MODEL
Based on above-mentioned technical defect, the utility model provides an industrial fan is with energy-conserving PMSM has solved the technical defect among the above-mentioned technical problem.
The utility model relates to an industrial fan is with energy-conserving PMSM, including the casing, still including installing stator and the rotor in the casing, be equipped with a plurality of stators in the casing, the stator is arranged the outside of rotor, the rotor includes rotor core, permanent magnet, rotor core sets up many pairs of permanent magnet groove along the axial, the permanent magnet embedding permanent magnet inslot, the permanent magnet comprises two permanent magnetism monomers, two permanent magnetism monomer's shape and polarity array direction homogeneous phase are in the same place, through the mutual attraction of magnetic force, the casing is the ring form, be equipped with the foot rest on the casing, casing both ends opening part is equipped with upper end cover and lower end cover respectively.
Further, the permanent magnet with the shape phase-match of permanent magnet groove, the cross section of permanent magnet is trapezoidal, follows rotor core radially from outside to inside the width of permanent magnet cross section diminishes gradually, four permanent magnet grooves have been seted up on the rotor core, the permanent magnet groove is embedded to be equipped with the permanent magnet, a shaft hole has been seted up to rotor core's intermediate position, leave the clearance between rotor and the stator.
Further, be equipped with the pivot in the shaft hole, the inside of pivot is provided with the main tributary hole, the outside of main tributary hole is provided with the branch hole, the outer wall of pivot is fixed with the lug, divide hole and main tributary hole for through connection, the central axis in main tributary hole and the central axis in pivot coincide each other.
The utility model relates to an industrial fan is with energy-conserving PMSM, simple structure, permanent magnet comprise two permanent magnetism monomers, two free shapes of permanent magnetism and polarity array orientation homogeneous phase, the cross section of permanent magnet is trapezoidal, and this shape makes the permanent magnet closely laminate together, arranges closely, and the tooth's socket torque is little.
Drawings
FIG. 1 is a schematic view of the internal structure of the housing of the present invention;
fig. 2 is a structural diagram of the shell of the present invention.
Wherein: 1. a stator; 2. a rotor; 3. an upper end cover; 4. a housing; 5. and a lower end cover.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
According to fig. 1-fig. 2 the utility model relates to an industrial fan is with energy-conserving permanent magnet synchronous motor, including casing 4, still including stator 1 and the rotor 2 of installing in casing 4, be equipped with a plurality of stators 1 in the casing 4, stator 1 arranges the outside of rotor 2, rotor 2 includes rotor core, permanent magnet, rotor core sets up along the axial and many pairs of permanent magnet groove, the permanent magnet embedding the permanent magnet inslot, the permanent magnet comprises two permanent magnet monomers, two free shapes of permanent magnet and polarity array direction homogeneous phase are the same, through the mutual suction of magnetic force together, casing 4 is the ring form, be equipped with the foot rest on casing 4, casing 4 both ends opening part is equipped with upper end cover 3 and lower end cover 5 respectively.
Further, the permanent magnet with the shape phase-match of permanent magnet groove, the cross section of permanent magnet is trapezoidal, follows rotor core radially from outside to inside the width of permanent magnet cross section diminishes gradually, four permanent magnet grooves have been seted up on the rotor core, the permanent magnet groove is embedded to be equipped with the permanent magnet, a shaft hole has been seted up to rotor core's intermediate position, leave the clearance between rotor 2 and stator 1.
Further, be equipped with the pivot in the shaft hole, the inside of pivot is provided with the main tributary hole, the outside of main tributary hole is provided with the branch hole, the outer wall of pivot is fixed with the lug, divide hole and main tributary hole for through connection, the central axis in main tributary hole and the central axis in pivot coincide each other.
The foot rest is used for supporting the permanent magnet synchronous motor during transportation and storage, and can be detached when the motor is vertically installed.
The rotating shaft extends out of a hole formed in the middle of the upper end cover 3.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model, technical field's ordinary technical personnel do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (3)
1. The utility model provides an industrial fan is with energy-conserving PMSM, includes the casing, its characterized in that: still including installing stator and the rotor in the casing, be equipped with a plurality of stators in the casing, the stator is arranged the outside of rotor, the rotor includes rotor core, permanent magnet, rotor core sets up many pairs of permanent magnet grooves along the axial, the permanent magnet embedding permanent magnet inslot, the permanent magnet comprises two permanent magnetism monomers, two free shapes of permanent magnetism and polarity array orientation homogeneous phase are the same, through the mutual attract-together of magnetic force, the casing is the ring form, be equipped with the foot rest on the casing, casing both ends opening part is equipped with upper end cover and lower end cover respectively.
2. The energy-saving permanent magnet synchronous motor for the industrial fan as claimed in claim 1, wherein: the permanent magnet is matched with the permanent magnet grooves in shape, the cross section of the permanent magnet is trapezoidal, the width of the cross section of the permanent magnet is gradually reduced from the outside to the inside along the radial direction of the rotor core, the four permanent magnet grooves are formed in the rotor core, the permanent magnet is embedded in the permanent magnet grooves, a shaft hole is formed in the middle of the rotor core, and a gap is reserved between the rotor and the stator.
3. The energy-saving permanent magnet synchronous motor for the industrial fan as claimed in claim 2, wherein: the improved rotary shaft is characterized in that a rotary shaft is arranged in the shaft hole, a main hole is formed in the rotary shaft, a branch hole is formed in the outer side of the main hole, a convex block is fixed on the outer wall of the rotary shaft, the branch hole is in through connection with the main hole, and the central axis of the main hole coincides with the central axis of the rotary shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022588270.2U CN213717717U (en) | 2020-11-10 | 2020-11-10 | Energy-saving permanent magnet synchronous motor for industrial fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022588270.2U CN213717717U (en) | 2020-11-10 | 2020-11-10 | Energy-saving permanent magnet synchronous motor for industrial fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213717717U true CN213717717U (en) | 2021-07-16 |
Family
ID=76804326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022588270.2U Active CN213717717U (en) | 2020-11-10 | 2020-11-10 | Energy-saving permanent magnet synchronous motor for industrial fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213717717U (en) |
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2020
- 2020-11-10 CN CN202022588270.2U patent/CN213717717U/en active Active
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