CN211151637U - Novel motor stator - Google Patents
Novel motor stator Download PDFInfo
- Publication number
- CN211151637U CN211151637U CN202020205853.XU CN202020205853U CN211151637U CN 211151637 U CN211151637 U CN 211151637U CN 202020205853 U CN202020205853 U CN 202020205853U CN 211151637 U CN211151637 U CN 211151637U
- Authority
- CN
- China
- Prior art keywords
- tooth
- stator
- stator punching
- socket
- small
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a novel motor stator, a plurality of stator punching sheets, the stator punching sheet is circular, four dovetail grooves are evenly distributed on the excircle of the stator punching sheet; three tooth grooves with the same shape and different areas are uniformly distributed on the inner circle of the stator punching sheet, wherein the three tooth grooves are a large tooth groove, a medium tooth groove and a small tooth groove respectively; the stator is formed by stator punching lamination, and the large-scale tooth's socket, the neutral tooth's socket of every stator punching and small-size tooth's socket are corresponding completely when punching press, the stator punching is put in the dovetail through the cramp and is extruded taut. The stator slot shape is changed into a big slot shape, a middle slot shape and a small slot shape, so that the problem that most of the slot fullness rate is too low in the original general slot shape size due to different numbers of turns of each coil of the sine winding is solved, the material utilization rate is improved, the service life is prolonged, the temperature rise is reduced, and the operation efficiency of the motor is improved.
Description
Technical Field
The utility model relates to a single-phase 2 utmost point motor stator especially relates to a stator that is used for single-phase 2 utmost point motor, according to the stator of the not equidimension slotted hole of certain distribution rule design.
Background
The number of turns of the stator winding of the single-phase asynchronous motor is in a sine distribution mode. The coil spans are different, the generated magnetic potential is also different, and the magnetic potential generated by the large span is also large, so that the turn number distribution of each coil is sequentially reduced according to the span size, namely the number of turns is large when the span is large.
The general motor stator core has the same groove shape and size, and has the practical problems that a coil with a plurality of turns is placed in a groove, the full rate of the groove is proper, a coil with a plurality of turns is placed in the groove, the full rate of the groove is very low, and the negative results are that the utilization rate of ① materials is low, the coil with a low full rate of ② grooves is easy to generate electromagnetic vibration under the working environment of alternating current, so that the insulation of an enameled wire is damaged mechanically, the service life of a motor is influenced, and the heat conduction efficiency of the coil in the groove with a low full rate of ③ grooves is low, so that the local temperature of the motor is increased, and the efficiency.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems, the invention provides a novel motor stator which reasonably adjusts the size of the area of a slot according to the rule that the full rate of the slot of each coil is different in the slot due to different turns according to the actual arrangement form of the motor windings, so that the full rate of the slot of each coil is in a proper range. The technical proposal is that the method comprises the following steps,
a novel motor stator comprises a plurality of stator punching sheets, wherein each stator punching sheet is circular, and four dovetail grooves are uniformly distributed on the excircle of each stator punching sheet; three tooth grooves with the same shape and different areas are uniformly distributed on the inner circle of the stator punching sheet, wherein the three tooth grooves are a large tooth groove, a medium tooth groove and a small tooth groove respectively; the stator is formed by laminating stator punching sheets, a large-sized tooth groove, a neutral tooth groove and a small-sized tooth groove of each stator punching sheet are completely corresponding to each other during punching, and the stator punching sheets are placed in the dovetail grooves through buckling sheets to be extruded and tensioned.
Furthermore, one of the four dovetail grooves is provided with a marking hole.
Furthermore, twenty-four tooth sockets are uniformly distributed in the inner circle of the stator punching sheet, wherein six large tooth sockets and six small tooth sockets are respectively arranged, and twelve medium tooth sockets are respectively arranged.
Furthermore, every three adjacent tooth sockets with the same shape and area are tooth sockets of one type and are circularly arranged according to the size of the area; the arrangement rule is large-sized tooth sockets, medium-sized tooth sockets, small-sized tooth sockets, medium-sized tooth sockets, large-sized tooth sockets, medium-sized tooth sockets, small-sized tooth sockets and medium-sized tooth sockets.
Furthermore, the winding on the stator comprises two sets of main windings and two sets of auxiliary windings, the maximum coil of each set of main windings and the maximum coil of each set of auxiliary windings only account for half of the number of turns of the main windings, and the two sides of the main windings and the two sides of the auxiliary windings are placed in tooth grooves of the same type according to the sizes of the coils.
Further, each set of main windings comprises five coils, and each set of auxiliary windings comprises three coils.
Advantageous effects
The utility model discloses, through changing stator slot shape into big, medium, little three kinds of slot shapes, main, secondary winding coil sets up in the tooth's socket of different grade type according to its area size, fine solution because of the distinctive every coil number of turns of sinusoidal winding is different, in original general a slot shape size, the most condition of crossing lowly of full rate of groove has improved material utilization and life, has reduced the temperature rise, has improved the operating efficiency of motor.
Drawings
Fig. 1 is a schematic view of a stator punching sheet of the present invention;
FIG. 2 is an enlarged view of a portion of the gullet of FIG. 1;
FIG. 3 is a diagram of the winding arrangement of the present invention;
fig. 4 is a three-dimensional structure diagram of the stator of the present invention;
the reference numbers of the motor comprise 1-stator, 2-stator punching sheet, 3-dovetail groove, 4-tooth groove, 5-marking hole, R-tooth groove radius, L-tooth groove depth, a-tooth shoulder width, b-tooth mouth width, c-tooth neck length and s-tooth key length.
Detailed Description
The following further description of the technology will be provided in conjunction with the accompanying figures 1-4 and the specific embodiments to assist in understanding the present invention.
A novel motor stator comprises a plurality of stator punching sheets 2, wherein the stator punching sheets 2 are circular, and four dovetail grooves 3 are uniformly distributed on the outer circles of the stator punching sheets 2; three tooth sockets 4 which are the same in shape and different in area are uniformly distributed on the inner circle of the stator punching sheet 2 and are respectively a large tooth socket, a medium tooth socket and a small tooth socket; the stator 1 is formed by laminating a plurality of stator punching sheets 2, a large-scale tooth groove, a neutral tooth groove and a small-size tooth groove of each stator punching sheet 2 completely correspond to each other during punching, the stator punching sheets 2 are placed in a dovetail groove 3 through a buckle sheet to be extruded and tensioned, the thickness of each stator punching sheet 2 is 0.5mm, and the stator punching sheets 2 can be formed by laminating and processing the stator punching sheets 2 according to actual conditions.
One of the four dovetail grooves 3 is internally provided with a marking hole 5 so as to be placed according to the marking hole position when each stator punching sheet 2 is laminated before lamination, and the disorder of a large-sized tooth slot, a medium-sized tooth slot and a small-sized tooth slot of the stator punching sheet 2 is avoided.
The tooth space radius R of the large-sized tooth space is 3.72mm, the tooth space depth L is 12.95mm, the tooth shoulder width a is 5.52mm, the tooth mouth width b is 2.5mm, the tooth neck length c is 0.7mm, and the tooth key length is 0.83mm, the tooth space radius R of the medium-sized tooth space is 3.62mm, the tooth space depth L is 12.45mm, the tooth shoulder width a is 5.33mm, the tooth mouth width b is 2.5mm, the tooth neck length c is 0.7mm, and the tooth key length is 0.83mm, the tooth space radius R of the small-sized tooth space is 3.30mm, the tooth space depth L is 11.25mm, the tooth shoulder width a is 4.90mm, the tooth mouth width b is 2.5mm, the tooth neck length c is 0.7mm, and the tooth key length is 0.75 mm;
twenty-four tooth sockets 4 are uniformly distributed in the inner circle of the stator punching sheet 2, each tooth socket 4 is separated by 15 degrees, and a winding coil is placed in each tooth socket 4; six large tooth sockets (with the slot numbers of 24/1/2 and 12/13/14) and six small tooth sockets (6/7/8 and 18/19/20), and twelve medium tooth sockets (3/4/5,9/10/11, 15/16/17 and 21/22/23).
Every three adjacent tooth sockets with the same shape and area are tooth sockets 4 of one type and are circularly arranged according to the area; the arrangement rules of the tooth socket are large tooth socket (24/1/2), medium tooth socket (3/4/5), small tooth socket (6/7/8), medium tooth socket (9/10/11), large tooth socket (12/13/14), medium tooth socket (15/16/17), small tooth socket (18/19/20) and medium tooth socket (21/22/23).
The windings on the stator 1 comprise two sets of main windings and two sets of auxiliary windings, the maximum coil of each set of main windings and the maximum coil of each set of auxiliary windings only account for half of the number of turns of the main windings, and the main windings and the auxiliary windings are placed in the tooth grooves 4 of the same type according to the sizes of the coils.
Each set of primary windings includes five coils and each set of secondary windings includes three coils, as shown in fig. 3.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.
Claims (6)
1. A novel motor stator is characterized by comprising a plurality of stator punching sheets, wherein the stator punching sheets are circular, and four dovetail grooves are uniformly distributed on the outer circles of the stator punching sheets; three tooth grooves with the same shape and different areas are uniformly distributed on the inner circle of the stator punching sheet, wherein the three tooth grooves are a large tooth groove, a medium tooth groove and a small tooth groove respectively; the stator is formed by stator punching lamination, and the large-scale tooth's socket, the neutral tooth's socket of every stator punching and small-size tooth's socket are corresponding completely when punching press, the stator punching is put in the dovetail through the cramp and is extruded taut.
2. The novel motor stator as claimed in claim 1, wherein a marking hole is provided in one of the four dovetail grooves.
3. The novel motor stator as claimed in claim 1, wherein twenty-four tooth slots are uniformly distributed in the inner circle of the stator punching sheet, wherein six large tooth slots and six small tooth slots are respectively formed in the stator punching sheet, and twelve medium tooth slots are formed in the stator punching sheet.
4. The novel motor stator as claimed in claim 3, wherein each adjacent three tooth slots with the same shape and area are a type of tooth slot and are circularly arranged according to the area size.
5. The novel motor stator as claimed in claim 3, wherein the windings on the stator comprise two sets of main and secondary windings, the maximum coil of each set of main and secondary windings only occupies half of the number of turns, and the main and secondary windings are placed in the same type of tooth slots according to the size of the coil.
6. The novel motor stator as claimed in claim 3, wherein each set of primary windings comprises five coils and each set of secondary windings comprises three coils.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020205853.XU CN211151637U (en) | 2020-02-25 | 2020-02-25 | Novel motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020205853.XU CN211151637U (en) | 2020-02-25 | 2020-02-25 | Novel motor stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211151637U true CN211151637U (en) | 2020-07-31 |
Family
ID=71756682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020205853.XU Active CN211151637U (en) | 2020-02-25 | 2020-02-25 | Novel motor stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211151637U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112803633A (en) * | 2021-01-22 | 2021-05-14 | 珠海格力电器股份有限公司 | Motor stator and motor |
-
2020
- 2020-02-25 CN CN202020205853.XU patent/CN211151637U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112803633A (en) * | 2021-01-22 | 2021-05-14 | 珠海格力电器股份有限公司 | Motor stator and motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201515299U (en) | single-phase asynchronous motor | |
| CN101552534A (en) | Transverse flux cylinder type permanent magnet linear synchronous motor | |
| CN101969261A (en) | High-power density permanent magnet motor | |
| CN207304180U (en) | A kind of motor stator and motor | |
| CN211151637U (en) | Novel motor stator | |
| CN102497081B (en) | Magnetic-field modulation-type cylinder-type transverse-flux linear motor | |
| CN202651911U (en) | Stator punching sheet of compressor motor | |
| CN206650564U (en) | A kind of magnetic suspension flux switch motor | |
| CN201113581Y (en) | Dipolar single-phase alternator stator stamping possessing ventilation slot | |
| CN202798175U (en) | Direct-drive permanent magnetic case-free wind turbine generator device | |
| CN206948063U (en) | Low torque fluctuates built-in permanent magnet motor rotor | |
| CN202798190U (en) | Stator punched part for refrigerator compressor aluminum-wire motor | |
| CN213305085U (en) | Rotor punching sheet of permanent magnet alternating current generator | |
| CN211508737U (en) | Stator punching sheet, stator core and motor | |
| CN201178338Y (en) | Stator lamination of generator | |
| CN218124418U (en) | High-speed rotating rotor punching sheet | |
| CN218124410U (en) | Stator punching sheet of electric spindle motor | |
| CN201509104U (en) | Stator punching sheet for a dehumidifier motor | |
| CN214043363U (en) | Integrated reactor | |
| CN214674594U (en) | Miniature three-dimensional magnetic gathering disc type motor | |
| CN202759298U (en) | A rotary lamination structure of a phase synchronous generator | |
| CN216216147U (en) | Motor rotor, motor, centrifugal compressor and air conditioner | |
| CN103618391A (en) | Ten-pole twelve-groove permanent magnet brushless motor | |
| CN201541155U (en) | motor stator punching sheet for refrigeration compressor | |
| CN215646411U (en) | Permanent magnet auxiliary synchronous reluctance motor rotor and motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new type of motor stator Effective date of registration: 20210616 Granted publication date: 20200731 Pledgee: Shandong Wendeng Rural Commercial Bank Co.,Ltd. Pledgor: Weihai Zhenghua Electric Co.,Ltd. Registration number: Y2021980004774 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220606 Granted publication date: 20200731 Pledgee: Shandong Wendeng Rural Commercial Bank Co.,Ltd. Pledgor: Weihai Zhenghua Electric Co.,Ltd. Registration number: Y2021980004774 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new type of motor stator Effective date of registration: 20220606 Granted publication date: 20200731 Pledgee: Shandong Wendeng Rural Commercial Bank Co.,Ltd. Pledgor: Weihai Zhenghua Electric Co.,Ltd. Registration number: Y2022370000057 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230629 Granted publication date: 20200731 Pledgee: Shandong Wendeng Rural Commercial Bank Co.,Ltd. Pledgor: Weihai Zhenghua Electric Co.,Ltd. Registration number: Y2022370000057 |