CN112600376A - Array type double-stator motor - Google Patents
Array type double-stator motor Download PDFInfo
- Publication number
- CN112600376A CN112600376A CN202011556985.8A CN202011556985A CN112600376A CN 112600376 A CN112600376 A CN 112600376A CN 202011556985 A CN202011556985 A CN 202011556985A CN 112600376 A CN112600376 A CN 112600376A
- Authority
- CN
- China
- Prior art keywords
- motor
- stator
- array type
- permanent magnet
- end cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/04—Machines with one rotor and two stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/187—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to inner stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The invention relates to the technical field of motors and discloses an array type double-stator motor which comprises a motor shell, a front end cover, a rear end cover, an array type permanent magnet rotor, an outer stator and an 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 invention relates to the technical field of motors, in particular to an array type double-stator motor.
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.
Disclosure of Invention
The invention mainly provides an array type double-stator motor, which solves the problem that the efficiency and the power density of the motor are limited in the prior art.
In order to solve the technical problems, the invention adopts the 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011556985.8A CN112600376A (en) | 2020-12-23 | 2020-12-23 | Array type double-stator motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011556985.8A CN112600376A (en) | 2020-12-23 | 2020-12-23 | Array type double-stator motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112600376A true CN112600376A (en) | 2021-04-02 |
Family
ID=75201959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011556985.8A Pending CN112600376A (en) | 2020-12-23 | 2020-12-23 | Array type double-stator motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112600376A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475178A (en) * | 2013-09-30 | 2013-12-25 | 东南大学 | Linear rotation permanent magnet motor |
| CN104779746A (en) * | 2015-05-07 | 2015-07-15 | 常州高尔登科技有限公司 | Disc type motor with gap adjusting device |
| CN105871140A (en) * | 2016-04-06 | 2016-08-17 | 哈尔滨理工大学 | Rotor bilateral permanent magnet type single winding double stator vernier motor |
| CN108494199A (en) * | 2018-02-12 | 2018-09-04 | 沈阳工业大学 | Non-alignment bimorph transducer spoke type permasyn morot for electric vehicle |
| CN213817535U (en) * | 2020-12-23 | 2021-07-27 | 东莞贰零壹捌电力科技有限公司 | Array type double-stator motor |
-
2020
- 2020-12-23 CN CN202011556985.8A patent/CN112600376A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475178A (en) * | 2013-09-30 | 2013-12-25 | 东南大学 | Linear rotation permanent magnet motor |
| CN104779746A (en) * | 2015-05-07 | 2015-07-15 | 常州高尔登科技有限公司 | Disc type motor with gap adjusting device |
| CN105871140A (en) * | 2016-04-06 | 2016-08-17 | 哈尔滨理工大学 | Rotor bilateral permanent magnet type single winding double stator vernier motor |
| CN108494199A (en) * | 2018-02-12 | 2018-09-04 | 沈阳工业大学 | Non-alignment bimorph transducer spoke type permasyn morot for electric vehicle |
| CN213817535U (en) * | 2020-12-23 | 2021-07-27 | 东莞贰零壹捌电力科技有限公司 | Array type double-stator motor |
Non-Patent Citations (1)
| Title |
|---|
| 谭建成: "《永磁无刷直流电机技术 第2版》", 31 July 2018, 机械工业出版社, pages: 147 - 148 * |
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