CN107359708B - AC asynchronous motor with inorganic shell - Google Patents
AC asynchronous motor with inorganic shell Download PDFInfo
- Publication number
- CN107359708B CN107359708B CN201710773458.4A CN201710773458A CN107359708B CN 107359708 B CN107359708 B CN 107359708B CN 201710773458 A CN201710773458 A CN 201710773458A CN 107359708 B CN107359708 B CN 107359708B
- Authority
- CN
- China
- Prior art keywords
- steel plate
- stator
- punching sheet
- sheet
- plate punching
- 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.)
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Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
- H02K2205/09—Machines characterised by drain passages or by venting, breathing or pressure compensating means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The invention discloses an alternating current asynchronous motor with an inorganic shell, which comprises a stator core; the stator core consists of a steel plate punching sheet and a stator punching sheet group which are coaxially arranged; two steel plate punched sheets are arranged, and the two steel plate punched sheets are clamped between stator punched sheet groups; the steel plate punching sheets are respectively arranged at the positions of the stator iron core, which are close to the two ends; the steel plate punching sheet and the stator punching sheet group are circular; the outer circumferences of the steel plate punching sheet and the stator punching sheet group are correspondingly provided with buckling sheet grooves, and the steel plate punching sheet and the stator punching sheet group are clamped and fixed through buckling sheets clamped on the buckling sheet grooves; the diameter of the steel plate punched sheet is larger than that of the stator punched sheet group; the circumference of the steel plate punching sheet, which exceeds the stator punching sheet group, is provided with a plurality of positioning holes. The invention omits the manufacturing and mounting process of the shell, has the advantages of convenient mounting, small occupied space, low production cost, short construction period and the like, and the stator core is directly exposed in the air, thereby remarkably enhancing the heat dissipation effect of the unit and being beneficial to prolonging the service life of the motor.
Description
Technical Field
The invention relates to a motor, in particular to an alternating current asynchronous motor without a shell.
Background
An electric motor is an electrical device that converts electrical energy into mechanical energy and re-uses the mechanical energy to generate kinetic energy to drive other devices, which can use stator windings to generate a rotating magnetic field and act on a rotor to create a magnetomotive rotational torque. Most of the motors commonly used in electric power systems are ac motors, wherein ac motors, in which the stator field speed and the rotor rotational speed do not maintain a synchronous speed, are also called asynchronous ac motors. Most of the existing alternating current asynchronous motors in the market are provided with a shell, so that the existing alternating current asynchronous motors occupy a large installation space, the heat dissipation effect of the stator core can be affected, and the alternating current asynchronous motors have the defects of large size, high production cost and long construction period.
Disclosure of Invention
In order to solve the defects of the technology, the invention provides an alternating current asynchronous motor with an inorganic shell.
In order to solve the technical problems, the invention adopts the following technical scheme: an alternating current asynchronous motor with an inorganic shell comprises a squirrel-cage rotor and a stator core; the squirrel-cage rotor is arranged in the stator core; the stator core consists of a steel plate punching sheet and a stator punching sheet group which are coaxially arranged; two steel plate punched sheets are arranged, and the two steel plate punched sheets are clamped between stator punched sheet groups; the steel plate punching sheets are respectively arranged at the positions of the stator iron core, which are close to the two ends;
the steel plate punching sheet and the stator punching sheet group are circular; the outer circumferences of the steel plate punching sheet and the stator punching sheet group are correspondingly provided with buckling sheet grooves, and the steel plate punching sheet and the stator punching sheet group are clamped and fixed through buckling sheets clamped on the buckling sheet grooves; the diameter of the steel plate punched sheet is larger than that of the stator punched sheet group; the steel plate punching sheet is fixedly connected with motor end covers arranged at two ends of the stator core through the positioning holes and screws respectively.
The cramp is a plurality of, and a plurality of cramps evenly set up on stator core's outside circumference.
The fixing holes of the motor end cover are all processed into screw holes, and screws sequentially penetrate the screw holes and the positioning holes to fasten and connect the motor end cover with the steel plate punching sheet.
The fixing holes of the motor end cover are all processed into through holes, the positioning holes on the steel plate punching sheet are all correspondingly processed into screw holes, and screws sequentially penetrate through the through holes and the positioning holes to fasten and connect the motor end cover with the steel plate punching sheet.
Motor end covers at two ends of the stator core are fastened and fixed through long bolts penetrating through the buckle piece grooves.
The invention omits the manufacturing and mounting process of the shell, has the advantages of small occupied space, low production cost and short construction period, and the stator iron core is directly exposed in the air, thereby remarkably enhancing the heat dissipation effect of the unit and being beneficial to prolonging the service life of the motor.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic structural view of a stator core.
Fig. 3 is a schematic structural view of a stator lamination set.
Fig. 4 is a schematic structural view of a steel sheet punched sheet.
Fig. 5 is a schematic structural view of a motor end cap.
Fig. 6 is a schematic side view of fig. 5.
In the figure: 1. a front stator punching group; 2. punching a front steel plate; 3. a stator core; 4. punching a rear steel plate; 5. a rear stator punching group; 6. a stator groove; 7. a cramp groove; 8. positioning marks; 9. positioning holes; 10. a front motor end cap; 11. a rear motor end cap; 12. a squirrel cage rotor; 13. a front bearing; 14. and a rear bearing.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1 to 6, the present invention includes a squirrel cage rotor 12, which further includes a stator core 3; two ends of the squirrel-cage rotor 12 are respectively provided with a front bearing 13 and a rear bearing 14 and then are arranged in the stator core 3; the stator core 3 consists of a steel plate punching sheet and a stator punching sheet group which are coaxially arranged; two steel plate punched sheets are arranged, and the two steel plate punched sheets are clamped between stator punched sheet groups; the steel plate punching sheets are respectively arranged at positions of the stator core 3 close to two ends;
the steel plate punching sheet and the stator punching sheet group are circular; the outer circumferences of the steel plate punching sheet and the stator punching sheet group are correspondingly provided with buckling sheet grooves 7, and the steel plate punching sheet and the stator punching sheet group are clamped and fixed through buckling sheets clamped on the buckling sheet grooves 7; the number of the buckling pieces is plural, and the buckling pieces are uniformly arranged on the outer circumference of the stator core 3. The diameter of the steel plate punched sheet is larger than that of the stator punched sheet group; the circumference of the steel plate punching sheet, which exceeds the stator punching sheet group, is provided with a plurality of positioning holes 9.
The following describes in detail the specific installation of the invention by means of specific examples:
embodiment 1,
Firstly, sequentially laminating a stator punching sheet and two steel plate punching sheets, and clamping by using a buckle sheet to form a stator core of the motor; then, embedding windings in the stator core, performing paint dipping treatment, and then, embedding a squirrel-cage rotor with bearings at two ends and motor end covers positioned at two sides of the stator core; the fixing holes of the motor end covers are processed into screw holes, screws sequentially penetrate the screw holes and the positioning holes to fasten and connect the motor end covers with the steel plate punching sheet to form a complete motor, and the external wiring of the motor can be led out from any motor end cover.
Embodiment II,
The present embodiment differs from the first embodiment in that: the fixing hole on the motor end cover is processed into a through hole, and the positioning hole of the steel plate punching sheet is processed into a wire hole, so that the motor end cover and the steel plate punching sheet are connected from the direction of the motor end cover to form a complete motor.
Third embodiment,
This embodiment differs from the two embodiments described above in that: the motor end covers at two ends are directly connected into a whole body through the buckle piece grooves of the stator punching sheet by using long bolts, so that the complete motor is formed.
The beneficial effects of the invention are as follows:
1) The manufacturing and mounting process of the shell is omitted, the problem of environmental pollution in the traditional casting process of the shell can be solved, the construction period can be greatly shortened, and the production cost can be reduced;
2) The stator core is directly exposed in the air, so that the heat dissipation effect of the unit is better, and the service life of the motor is prolonged;
3) The motor can reduce the whole volume to a certain extent, and is suitable for the miniaturization development trend of industrial machinery.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, but is also intended to be limited to the following claims.
Claims (5)
1. An ac asynchronous motor of inorganic shell, comprising a squirrel cage rotor (12), characterized in that: it also comprises a stator core (3); the squirrel-cage rotor (12) is arranged in the stator core (3); the stator core (3) consists of a steel plate punching sheet and a stator punching sheet group which are coaxially arranged; the number of the steel plate punching sheets is two, and the two steel plate punching sheets are clamped between the stator punching sheet groups; the steel plate punching sheets are respectively arranged at the positions, close to the two ends, of the stator iron core (3);
the steel plate punching sheet and the stator punching sheet group are circular; the outer circumferences of the steel plate punching sheet and the stator punching sheet group are correspondingly provided with buckling sheet grooves (7), and the steel plate punching sheet and the stator punching sheet group are clamped and fixed through buckling sheets clamped on the buckling sheet grooves (7); the diameter of the steel plate punching sheet is larger than that of the stator punching sheet group; the steel plate punching sheet is fixedly connected with motor end covers arranged at two ends of the stator core (3) through the positioning holes (9) and screws respectively.
2. The ac asynchronous motor of the inorganic case according to claim 1, wherein: the plurality of the buckling pieces are uniformly arranged on the outer circumference of the stator core (3).
3. The ac asynchronous motor of the inorganic case according to claim 1, wherein: the fixing holes of the motor end cover are all processed into screw holes, and screws sequentially penetrate the screw holes and the positioning holes (9) to fasten and connect the motor end cover with the steel plate punching sheet.
4. The ac asynchronous motor of the inorganic case according to claim 1, wherein: the fixing holes of the motor end cover are all processed into through holes, the positioning holes (9) on the steel plate punching sheet are all correspondingly processed into screw holes, and screws sequentially penetrate through the through holes and the positioning holes (9) to fasten and connect the motor end cover with the steel plate punching sheet.
5. The ac asynchronous motor of the inorganic case according to claim 1, wherein: motor end covers at two ends of the stator core (3) are fastened and fixed through long bolts penetrating through the cramp grooves (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710773458.4A CN107359708B (en) | 2017-08-31 | 2017-08-31 | AC asynchronous motor with inorganic shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710773458.4A CN107359708B (en) | 2017-08-31 | 2017-08-31 | AC asynchronous motor with inorganic shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107359708A CN107359708A (en) | 2017-11-17 |
| CN107359708B true CN107359708B (en) | 2023-08-22 |
Family
ID=60290550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710773458.4A Active CN107359708B (en) | 2017-08-31 | 2017-08-31 | AC asynchronous motor with inorganic shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107359708B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601392A (en) * | 2019-09-17 | 2019-12-20 | 安徽皖南电机股份有限公司 | Fastening structure of motor inner stator |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0793332A1 (en) * | 1996-02-28 | 1997-09-03 | Moteurs Leroy-Somer | Circular sector for stator laminations, stator of a dynamoelectric machine made of such sectors and dynamoelectric machine comprising such a stator |
| JP2001112197A (en) * | 1999-10-06 | 2001-04-20 | Denso Corp | Dynamo-electric machine |
| CN2845297Y (en) * | 2005-08-23 | 2006-12-06 | 浙江中源电气有限公司 | Small permanent magnetic sychronous motor |
| CN1893233A (en) * | 2006-06-14 | 2007-01-10 | 谢杨辉 | High-precision motor and its processing and assembling method |
| JP2007049842A (en) * | 2005-08-11 | 2007-02-22 | Toshiba Kyaria Kk | Motor, enclosed compressor, and refrigerating cycle apparatus using the same |
| JP2007295740A (en) * | 2006-04-26 | 2007-11-08 | Toyota Motor Corp | Stator core and its manufacturing method, and motor and its manufacturing method |
| JP2008125324A (en) * | 2006-11-15 | 2008-05-29 | Mitsubishi Electric Corp | Stator for dynamo-electric machine |
| CN202059292U (en) * | 2011-05-10 | 2011-11-30 | 无锡新大力电机有限公司 | Battery AC three-phase asynchronous low-voltage variable frequency motor |
| CN203119637U (en) * | 2012-11-30 | 2013-08-07 | 河南华阳能源发电科技有限公司 | Three-phase alternating-current frequency conversion motor stator core punching sheet |
| CN203219010U (en) * | 2012-12-11 | 2013-09-25 | 重庆市科诚电机制造有限公司 | Stator iron core for mid-small sized alternative-current motor |
| CN203747606U (en) * | 2013-12-27 | 2014-07-30 | 浙江盛迈电气技术有限公司 | Permanent-magnet alternating-current servo motor with novel stator structure |
-
2017
- 2017-08-31 CN CN201710773458.4A patent/CN107359708B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0793332A1 (en) * | 1996-02-28 | 1997-09-03 | Moteurs Leroy-Somer | Circular sector for stator laminations, stator of a dynamoelectric machine made of such sectors and dynamoelectric machine comprising such a stator |
| JP2001112197A (en) * | 1999-10-06 | 2001-04-20 | Denso Corp | Dynamo-electric machine |
| JP2007049842A (en) * | 2005-08-11 | 2007-02-22 | Toshiba Kyaria Kk | Motor, enclosed compressor, and refrigerating cycle apparatus using the same |
| CN2845297Y (en) * | 2005-08-23 | 2006-12-06 | 浙江中源电气有限公司 | Small permanent magnetic sychronous motor |
| JP2007295740A (en) * | 2006-04-26 | 2007-11-08 | Toyota Motor Corp | Stator core and its manufacturing method, and motor and its manufacturing method |
| CN1893233A (en) * | 2006-06-14 | 2007-01-10 | 谢杨辉 | High-precision motor and its processing and assembling method |
| JP2008125324A (en) * | 2006-11-15 | 2008-05-29 | Mitsubishi Electric Corp | Stator for dynamo-electric machine |
| CN202059292U (en) * | 2011-05-10 | 2011-11-30 | 无锡新大力电机有限公司 | Battery AC three-phase asynchronous low-voltage variable frequency motor |
| CN203119637U (en) * | 2012-11-30 | 2013-08-07 | 河南华阳能源发电科技有限公司 | Three-phase alternating-current frequency conversion motor stator core punching sheet |
| CN203219010U (en) * | 2012-12-11 | 2013-09-25 | 重庆市科诚电机制造有限公司 | Stator iron core for mid-small sized alternative-current motor |
| CN203747606U (en) * | 2013-12-27 | 2014-07-30 | 浙江盛迈电气技术有限公司 | Permanent-magnet alternating-current servo motor with novel stator structure |
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| Publication number | Publication date |
|---|---|
| CN107359708A (en) | 2017-11-17 |
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