CN213817535U - Array type double-stator motor - Google Patents
Array type double-stator motor Download PDFInfo
- Publication number
- CN213817535U CN213817535U CN202023164756.XU CN202023164756U CN213817535U CN 213817535 U CN213817535 U CN 213817535U CN 202023164756 U CN202023164756 U CN 202023164756U CN 213817535 U CN213817535 U CN 213817535U
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- motor
- stator
- permanent magnet
- rotor
- array type
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Abstract
The utility model relates to the technical field of electric machine, and a two stator motors of array is disclosed, including motor housing, front end housing, rear end cap, array permanent magnet rotor, outer stator and inner stator. The outer additional magnetic pole of the array type permanent magnet rotor is driven by the outer stator magnetic field of the motor, the inner additional magnetic pole of the array type permanent magnet rotor is driven by the inner stator magnetic field of the motor, the N pole and the S pole of the permanent magnet material in the rotor are used simultaneously, the problem of low use area of the permanent magnet is solved, and the efficiency and the power density of the motor are improved.
Description
Technical Field
The utility model relates to the technical field of electric machines, specifically be a two stator motors of array.
Background
With the development of motor technology and permanent magnet materials, the permanent magnet motor has been widely applied to generator systems and motors due to its advantages of high efficiency, high power density, high power factor, etc.
The permanent magnet motor at the present stage is composed of a stator and a rotor. When the motor runs, only one group of stator magnetic fields drag the rotor to rotate, the use area of the permanent magnet material is low, and the efficiency and the power density of the motor are limited.
SUMMERY OF THE UTILITY MODEL
The utility model mainly provides a two stator motors of array solves prior art and has restricted the efficiency and the power density of motor.
In order to solve the technical problem, the utility model discloses a following technical scheme:
an array type double-stator motor comprises a motor shell, a front end cover, a rear end cover and an array type permanent magnet rotor, wherein the front end cover is arranged at the front end of the motor shell, the rear end cover is arranged at the rear end of the motor shell, an outer stator is arranged in the motor shell, an inner stator is arranged on the rear end cover, and the array type permanent magnet rotor is arranged on a rotor shaft and is arranged between the outer stator and the inner stator through a rotor shaft sleeve; the rear end of the rotor shaft penetrates through the central hole of the inner stator and is rotatably connected with the rear end cover, and the front end of the rotor shaft is rotatably connected with the front end cover. When the motor runs, the magnetic fields of the inner stator and the outer stator are used for driving the array type permanent magnet rotor to rotate simultaneously, and the inner stator and the outer stator of the motor and the additional magnetic poles on the inner layer and the outer layer of the array type permanent magnet rotor do work simultaneously to form output torque so as to improve the efficiency and the power density of the motor. The magnetic field of the permanent magnet in the rotor forms a closed magnetic circuit with the inner stator and the outer stator after the magnetic poles are additionally arranged on the inner layer and the outer layer of the rotor, when the motor runs, the stator magnetic field always forms the closed magnetic circuit with the rotor magnetic field, and the stator magnetic field only has the magnetizing function on the permanent magnet in the rotor, so that the rotor of the motor can be ensured not to be demagnetized. The outer additional magnetic pole of the array type permanent magnet rotor is driven by the outer stator magnetic field of the motor, the inner additional magnetic pole of the array type permanent magnet rotor is driven by the inner stator magnetic field of the motor, the N pole and the S pole of the permanent magnet material in the rotor are used simultaneously, the problem of low use area of the permanent magnet is solved, and the efficiency and the power density of the motor are improved.
Further, a fan cover is further arranged on the rear side of the motor shell, the rear end of the rotor shaft penetrates through the rear end cover and extends into the fan cover, and fan blades are arranged at one end, located in the fan cover, of the rotor shaft. The fan blades can improve the heat dissipation efficiency.
Further, the rotor shaft is rotatably connected with the rear end cover and the front end cover through bearings. The bearing is adopted for rotary connection, so that the device has the advantages of stable structure and lower cost.
Has the advantages that: the outer additional magnetic pole of the array type permanent magnet rotor is driven by the outer stator magnetic field of the motor, the inner additional magnetic pole of the array type permanent magnet rotor is driven by the inner stator magnetic field of the motor, the N pole and the S pole of the permanent magnet material in the rotor are used simultaneously, the problem of low use area of the permanent magnet is solved, and the efficiency and the power density of the motor are improved.
Drawings
Fig. 1 is an exploded view of the motor of the present embodiment;
fig. 2 is a schematic structural diagram of the motor of the present embodiment;
reference numerals: the wind shield comprises a wind shield 1, fan blades 2, a rear end cover 3, an inner stator 4, a motor shell 5, an outer stator 6, an array type permanent magnet rotor 7, a bearing 8, a front end cover 9 and a rotor shaft 10.
Detailed Description
The technical solution of the array type double-stator motor according to the present invention will be further described in detail with reference to the following embodiments.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, the array type double-stator motor of the embodiment includes a motor housing 5, a front end cover 9, a rear end cover 3 and an array type permanent magnet rotor 7, wherein the front end cover 9 is disposed at the front end of the motor housing 5, the rear end cover 3 is disposed at the rear end of the motor housing 5, an outer stator 6 is disposed in the motor housing 5, an inner stator 4 is disposed on the rear end cover 3, and the array type permanent magnet rotor 7 is disposed on a rotor shaft 10 and is sleeved between the outer stator 6 and the inner stator 4 through the rotor shaft 10; the rear end of the rotor shaft 10 penetrates through the central hole of the inner stator 4 to be rotatably connected with the rear end cover 3, and the front end of the rotor shaft is rotatably connected with the front end cover 9. The rear side of the motor shell 5 is further provided with a fan cover 1, the rear end of the rotor shaft 10 penetrates through the rear end cover 3 and extends into the fan cover 1, and one end, located in the fan cover 1, of the rotor shaft 10 is provided with fan blades 2. The rotor shaft 10 is rotatably connected with the rear end cover 3 and the front end cover 9 by a bearing 8. When the motor runs, the magnetic fields of the inner stator 4 and the outer stator 6 are used for driving the array type permanent magnet rotor 7 to rotate simultaneously, and the inner stator 4 and the outer stator 6 of the motor and the additional magnetic poles on the inner layer and the outer layer of the array type permanent magnet rotor 7 do work simultaneously to form output torque so as to improve the efficiency and the power density of the motor. The magnetic field of the permanent magnet in the rotor forms a closed magnetic circuit with the inner stator 4 and the outer stator 6 after the magnetic poles are additionally arranged on the inner layer and the outer layer of the rotor, when the motor runs, the stator magnetic field always forms the closed magnetic circuit with the rotor magnetic field, and the stator magnetic field only has the magnetizing function on the permanent magnet in the rotor, so that the rotor of the motor can be ensured not to be demagnetized. This application adopts the outer stator 6 magnetic field drive array permanent magnet rotor 7 outer layer additional magnetic pole of motor, by the additional magnetic pole of 4 magnetic field drive array permanent magnet rotor 7 inlayer in the motor, has used permanent magnet material' S in the rotor N utmost point and S utmost point simultaneously, solves to the permanent magnet usable floor area low, has improved the efficiency and the power density of motor. The outer stator 6, the array type permanent magnet rotor 7 and the inner stator 4 form a closed magnetic circuit, when the motor runs, the magnetic field of the outer stator 6 has a magnetizing function on the inner additional magnetic poles of the array type permanent magnet rotor 7, and the magnetic field of the inner stator 4 also has a magnetizing function on the outer additional magnetic poles of the array type permanent magnet rotor 7.
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 (3)
1. An array type double-stator motor is characterized in that: the motor comprises a motor shell, a front end cover, a rear end cover and an array type permanent magnet rotor, wherein the front end cover is arranged at the front end of the motor shell, the rear end cover is arranged at the rear end of the motor shell, an outer stator is arranged in the motor shell, an inner stator is arranged on the rear end cover, and the array type permanent magnet rotor is arranged on a rotor shaft and is arranged between the outer stator and the inner stator through a rotor shaft sleeve; the rear end of the rotor shaft penetrates through the central hole of the inner stator and is rotatably connected with the rear end cover, and the front end of the rotor shaft is rotatably connected with the front end cover.
2. The array type double-stator motor according to claim 1, wherein: the rear side of the motor shell is also provided with a fan cover, the rear end of the rotor shaft penetrates through the rear end cover and extends into the fan cover, and one end of the rotor shaft, which is positioned in the fan cover, is provided with fan blades.
3. The array type double-stator motor according to claim 1, wherein: the rotor shaft is rotatably connected with the rear end cover and the front end cover through bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023164756.XU CN213817535U (en) | 2020-12-23 | 2020-12-23 | Array type double-stator motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023164756.XU CN213817535U (en) | 2020-12-23 | 2020-12-23 | Array type double-stator motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213817535U true CN213817535U (en) | 2021-07-27 |
Family
ID=76948458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023164756.XU Expired - Fee Related CN213817535U (en) | 2020-12-23 | 2020-12-23 | Array type double-stator motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213817535U (en) |
-
2020
- 2020-12-23 CN CN202023164756.XU patent/CN213817535U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 Termination date: 20211223 |