CN219145193U

CN219145193U - Permanent magnet synchronous motor

Info

Publication number: CN219145193U
Application number: CN202320172469.8U
Authority: CN
Inventors: 尤素刚
Original assignee: Nanjing Youtuo Electromechanical Technology Co ltd
Current assignee: Nanjing Youtuo Electromechanical Technology Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-06-06
Anticipated expiration: 2033-02-10

Abstract

The utility model relates to the technical field of motors, in particular to a permanent magnet synchronous motor, which comprises a motor body, wherein an annular plate is sleeved on the outer circle of the motor body, a plurality of rotating shafts are arranged on the annular plate in a penetrating mode in an annular array mode, one end, far away from an output shaft of the motor body, of each rotating shaft is connected with a blowing blade assembly, and the permanent magnet synchronous motor further comprises a driving mechanism for driving the rotating shafts to rotate. Through the mode, the permanent magnet synchronous motor solves the problem that the permanent magnet synchronous motor works in a high-temperature environment to cause the motor body to be in a high-temperature state for a long time, and prolongs the service life.

Description

Permanent magnet synchronous motor

Technical Field

The utility model relates to the technical field of motors, in particular to a permanent magnet synchronous motor.

Background

The permanent magnet synchronous motor consists of a stator, a rotor, a fan, an end cover and other parts, wherein the stator is basically the same as a common induction motor, a lamination structure is adopted to reduce iron loss when the motor operates, the rotor can be made into a solid structure, lamination can be used, a concentrated whole-distance winding can be adopted as an armature winding, and a distributed short-distance winding and an unconventional winding can also be adopted; in order to achieve a good heat dissipation effect of the permanent magnet synchronous motor, a heat dissipation fan is usually arranged at the end part of the permanent magnet synchronous motor, the heat dissipation fan works to achieve a cooling effect, and heat dissipation fins are arranged on the outer surface of the permanent magnet synchronous motor and also have a certain heat dissipation effect.

In view of the above related art, the inventors found that when the permanent magnet synchronous motor works in a high temperature environment, the heat generated by the work of the permanent magnet synchronous motor cannot be rapidly dissipated only by the cooling fan and the cooling fin at the end, so that the permanent magnet synchronous motor is in a relatively high temperature state for a long time, and the service life of the permanent magnet synchronous motor is reduced.

Disclosure of Invention

The utility model mainly solves the technical problem of providing a permanent magnet synchronous motor, which solves the problem that the permanent magnet synchronous motor works in a high-temperature environment to cause the motor body to be in a high-temperature state for a long time, and prolongs the service life.

In order to solve the technical problems, the utility model adopts a technical scheme that: the permanent magnet synchronous motor comprises a motor body, wherein an annular plate is sleeved on the outer circle of the motor body, a plurality of rotating shafts are arranged on the annular plate in a penetrating mode in an annular array mode, one end, far away from an output shaft of the motor body, of each rotating shaft is connected with a blowing blade assembly, and the permanent magnet synchronous motor further comprises a driving mechanism for driving the rotating shafts to rotate.

Through adopting above-mentioned technical scheme, actuating mechanism work drives a plurality of pivots and rotates to the blade subassembly that bloies of driving the pivot tip rotates, has produced a large amount of wind when the blade subassembly that bloies rotates, and the wind blows the surface at the motor body, thereby makes the heat of motor body surface distribute fast, and the inside heat of motor body distributes fast promptly, has prolonged life.

The present utility model may be further configured in a preferred example to: the driving mechanism comprises a driving gear and a plurality of driven gears which are respectively connected to the rotating shaft in a sleeved mode, the driving gear is connected to the output shaft of the motor body in a sleeved mode, and the driving gear is connected with the driven gears in a meshed mode.

Through adopting above-mentioned technical scheme, permanent magnet synchronous motor work, the output shaft on the motor body rotates promptly, and the output shaft drives the driving gear and rotates, because driving gear and driven gear meshing are connected for driven gear drives pivot and the rotation of blade subassembly of blowing, simple structure, the installation is easy.

The present utility model may be further configured in a preferred example to: the air blowing blade assembly comprises a sleeve and a plurality of blades, the blades are connected with the outer circle of the sleeve in an annular array mode, and the sleeve is connected with the rotating shaft in a key mode.

Through adopting above-mentioned technical scheme, the pivot drives the sleeve pipe and rotates, and the sleeve pipe drives a plurality of blades and does the circumference rotation, and rotatory blade drive gas flow has produced wind, and the wind blows in the surface of motor body, reaches quick radiating purpose.

The present utility model may be further configured in a preferred example to: the excircle of the annular plate is connected with a guide cover body in a sleeved mode.

Through adopting above-mentioned technical scheme, through the use of kuppe body, the wind that will blow the blade subassembly and rotate the production is led to blow to the surface of motor body, has strengthened the radiating effect.

The present utility model may be further configured in a preferred example to: the side annular array of kuppe body is equipped with a plurality of ventilation holes.

Through adopting above-mentioned technical scheme, through the ventilation hole that sets up on the kuppe body, strengthened the unobstructed nature of gas flow, improved the effect of blowing of blade subassembly of blowing.

The present utility model may be further configured in a preferred example to: the annular plate is provided with a plurality of arc slotted holes in an annular array.

Through adopting above-mentioned technical scheme, through the arc slotted hole that sets up on the annular plate, strengthened the unobstructed nature of gas flow, improved the effect of blowing of blade subassembly of blowing.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the output shaft on the motor body rotates to drive the driving gear to rotate, and as the driving gear is meshed with the driven gear, the driven gear drives the rotating shaft and the blowing blade assembly to rotate, and a large amount of wind is generated by the rotation of the blowing blade assembly and blows on the surface of the motor body, so that the aim of rapid heat dissipation is achieved.

2. Through the use of the air guide sleeve body, the wind generated by the rotation of the blowing blade assembly is guided to be blown to the surface of the motor body, and the heat dissipation efficiency of the permanent magnet synchronous motor is enhanced.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

fig. 1 is a schematic structural diagram of a permanent magnet synchronous motor according to a preferred embodiment of the present utility model.

Fig. 2 is a schematic view of the structure of the annular plate in fig. 1.

Fig. 3 is a schematic view of the blower vane assembly of fig. 1.

Fig. 4 is a schematic structural view of the pod of fig. 1.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

The drawings are simplified schematic views, and only the basic structure of the present utility model is schematically described, so that only the constitution related to the present utility model is shown.

Referring to fig. 1 and 2, the permanent magnet synchronous motor disclosed by the utility model comprises a motor body 1, wherein an annular plate 2 is sleeved on the outer circle of the motor body 1, a plurality of rotating shafts 3 are arranged on the annular plate 2 in a penetrating mode in an annular array mode, the rotating shafts 3 are in rotary connection with the annular plate 2, one end, far away from an output shaft of the motor body 1, of each rotating shaft 3 is connected with a blowing blade assembly 40, the permanent magnet synchronous motor further comprises a driving mechanism 50 for driving the plurality of rotating shafts 3 to rotate, the driving mechanism 50 comprises a driving gear 51 and a plurality of driven gears 52 which are respectively sleeved on the rotating shafts 3, the driven gears 52 are positioned at one end, far away from the blowing blade assemblies 40, of the rotating shafts 3, the driving gears 51 are sleeved on the output shaft of the motor body 1, and the driving gears 51 are in meshed connection with the driven gears 52.

Referring to fig. 3, the blower blade assembly 40 includes a sleeve 41 and a plurality of blades 42, the blades 42 are connected to an outer circumference of the sleeve 41 in an annular array, and the sleeve 41 is connected to the rotating shaft 3 in a key manner.

Referring to fig. 1 and 4, the outer circle of the annular plate 2 is sleeved with a guide cover body 6, through the use of the guide cover body 6, the outer surface of the wind direction motor body blown by the blades 42 on the blowing blade assembly 40 is guided, the heat dissipation effect is enhanced, a plurality of ventilation holes 7 are formed in the side annular array of the guide cover body 6, a plurality of arc-shaped slotted holes 8 are formed in the annular plate 2 in an annular array manner, the ventilation is enhanced, and the heat dissipation effect of the blowing blade assembly 40 on the motor body is improved.

The implementation principle of the embodiment is as follows: when the motor is used, the output shaft on the motor body 1 rotates, the output shaft drives the driving gear 51 on the driving mechanism 50 to rotate, the driving gear 51 drives the driven gear 52 to rotate, and the driven gear 52 drives the rotating shaft 3 to rotate, so that the blowing blade assembly 40 at the end part of the rotating shaft 3 is driven to rotate, a large amount of wind is generated by the rotation of the blades 42 on the blowing blade assembly 40, and the wind blows on the outer surface of the motor body 1, so that the heat on the outer surface of the motor body 1 is rapidly dissipated, namely the heat inside the motor body is rapidly dissipated, and the service life is prolonged.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.

Claims

1. The permanent magnet synchronous motor comprises a motor body and is characterized in that an annular plate is connected to the outer circle of the motor body in a sleeved mode, a plurality of rotating shafts are arranged on the annular plate in a penetrating mode in an annular array mode, one end, far away from an output shaft of the motor body, of each rotating shaft is connected with a blowing blade assembly, and the permanent magnet synchronous motor further comprises a driving mechanism for driving the rotating shafts to rotate.

2. The permanent magnet synchronous motor according to claim 1, wherein the driving mechanism comprises a driving gear and a plurality of driven gears respectively sleeved on the rotating shaft, the driving gear is sleeved on the output shaft of the motor body, and the driving gear is meshed with the driven gears.

3. The permanent magnet synchronous motor according to claim 1, wherein the blowing blade assembly comprises a sleeve and a plurality of blades, the annular array of blades is connected to the outer circumference of the sleeve, and the sleeve is in key connection with the rotating shaft.

4. The permanent magnet synchronous motor according to claim 1, wherein the outer circle of the annular plate is sleeved with a guide cover body.

5. The permanent magnet synchronous motor according to claim 4, wherein the side annular array of the pod body is provided with a plurality of ventilation holes.

6. The permanent magnet synchronous motor according to claim 1, wherein the annular plate is provided with a plurality of arc-shaped slots in an annular array.