CN218997785U - Stator punching sheet, stator assembly using same and motor - Google Patents
Stator punching sheet, stator assembly using same and motor Download PDFInfo
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- CN218997785U CN218997785U CN202120060297.6U CN202120060297U CN218997785U CN 218997785 U CN218997785 U CN 218997785U CN 202120060297 U CN202120060297 U CN 202120060297U CN 218997785 U CN218997785 U CN 218997785U
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- 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
- H02K1/16—Stator cores with slots for windings
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- 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
- H02K1/26—Rotor cores with slots for windings
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- 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
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- Engineering & Computer Science (AREA)
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a stator punching sheet and a stator assembly and a motor using the stator punching sheet, wherein the stator punching sheet comprises annular yoke parts and stator tooth parts, wire embedding grooves are formed between the stator tooth parts, the number of the wire embedding grooves is 36, a central hole is formed in the inner side of the stator tooth parts, the outer diameter D2 of the annular yoke parts is in the range of 155mm to 165mm, the inner diameter D3 of the central hole of the stator tooth parts is in the range of 89mm to 99mm, the bottom of the wire embedding grooves is uniformly distributed along the circumference and tangential to a circle, the diameter D1 of the tangent circle is in the range of 122.9mm to 132.9mm, the tooth width L4 of the stator tooth parts is in the range of 3.6mm to 4.4mm, the notch width L1 of the wire embedding grooves is in the range of 1.6mm to 2.4mm, the shoulder width L2 of the wire embedding grooves is in the range of 4.02mm to 4.82mm, the bottom width L3 of the wire embedding grooves is in the range of 6mm to 7mm, and under the same conditions, the motor structure can not be changed in the condition that the motor is manufactured effectively, namely the motor is not reduced in the condition of the whole motor.
Description
Technical field:
the utility model relates to a stator punching sheet, a stator assembly using the same and a motor.
The background technology is as follows:
at present, the traditional motor stator core punching sheet structure comprises a punching sheet with a central hole in the middle, 24 or 36 wire embedding grooves are uniformly formed in the inner side of the punching sheet along the circumferential direction, and the wire embedding grooves are communicated with the central hole, under the same condition, the overall size matching of the wire embedding grooves can influence the working efficiency, the temperature rise speed and the manufacturing cost of a motor, the reasonable size matching of the wire embedding grooves can effectively improve the working efficiency of the motor, reduce the energy consumption of the motor, slow down the temperature rise speed, improve the groove utilization rate of the wire embedding grooves, and also reduce the use of copper and iron materials so as to reduce the design cost of copper and iron, therefore, a plurality of people can change the performance and the manufacturing cost of the motor by changing the size matching of the wire embedding grooves; however, after the manufacturing cost of the motor is reduced, the performance of the motor is also reduced due to the size fit of the wire embedding groove designed by some people, so that the motor cost is reduced on the premise that the size fit of the wire embedding groove is unreasonable and the performance of the motor cannot be ensured to be unchanged.
The utility model comprises the following steps:
the utility model aims to provide a stator punching sheet, a stator assembly and a motor using the stator punching sheet, and the stator assembly and the motor can solve the technical problems that in the prior art, after the manufacturing cost of the motor is reduced due to the size fit of a stator punching sheet coil inserting groove, the performance of the motor is reduced, the size fit of the coil inserting groove is unreasonable, and the motor cost is reduced on the premise that the performance of the motor is not changed.
The aim of the utility model is achieved by the following technical scheme.
The first object of the present utility model is to provide a stator punching sheet, comprising an annular yoke and a plurality of stator teeth extending from the inner side of the annular yoke, wherein, a wire embedding groove is formed between adjacent stator teeth, the number of the wire embedding grooves is 36, the wire embedding grooves are round bottom grooves, all the wire embedding grooves are identical in shape and uniform in circumferential distribution, a central hole is arranged at the inner side of the stator teeth, the outer diameter D2 of the annular yoke is in the range of 155mm to 165mm, the inner diameter D3 of the central hole of the stator teeth is in the range of 89mm to 99mm, the groove bottoms of the wire embedding grooves are uniformly distributed along the circumference and tangent to a circle, the diameter D1 of the tangent circle is in the range of 122.9mm to 132.9mm, the tooth width L4 of the stator teeth is in the range of 3.6mm to 4.4mm, the notch width L1 of the wire embedding grooves is in the range of 1.6mm to 2.4mm, the shoulder width L2 of the wire embedding grooves is in the range of 4.02mm to 4.82mm, the groove height H1 in the groove is in the range of 11.4mm to 99mm, and the groove bottom of the wire embedding grooves is in the range of 7.4 mm to 7 mm.
Preferably, a plurality of trimming edges are circumferentially provided on the outer edge of the annular yoke, and a distance L5 between the two trimming edges symmetrical about the central axis is in a range of 143mm to 153 mm.
Preferably, the diameter D1 of the tangent circle is 127.9mm, the slot width L1 of the wire embedding slot is 2mm, the slot shoulder width L2 of the wire embedding slot is 4.42mm, the slot height H1 of the wire embedding slot is 12.4mm, the slot bottom width L3 of the wire embedding slot is 6.565mm, the tooth width L4 of the stator tooth is 4mm, the outer diameter D2 of the annular yoke is 160mm, the inner diameter D3 of the central hole of the stator tooth is 94mm, the plurality of trimming edges are 4, and the distance L5 of two symmetrical trimming edges is 148mm.
Preferably, a plurality of positioning holes and a plurality of rivet holes are provided in the edge of the annular yoke.
The second object of the present utility model is to provide a stator assembly, which includes a stator core, an insulation end mounted on the stator core, and a coil winding wound on the insulation end, wherein the stator core is formed by laminating a plurality of stator laminations, and the stator laminations are the stator laminations.
The third object of the utility model is to provide a motor, which comprises a rotating shaft, a rotor assembly, a stator assembly and a shell assembly, wherein the rotor assembly is arranged on the rotating shaft, the stator assembly is nested and arranged in the shell assembly, the rotor assembly is sleeved in the stator assembly, the stator assembly is the stator assembly, the stator assembly comprises a stator core, an insulating end part arranged on the stator core and a coil winding wound on the insulating end part, and the coil winding is a single-phase winding or a three-phase winding.
Preferably, the rotor assembly comprises a rotor core, the rotor core is formed by stacking a plurality of rotor punching sheets, a plurality of mounting grooves for mounting conductive aluminum strips are formed in the edges of the rotor punching sheets, a rotor tooth part is formed between two adjacent mounting grooves, the outer diameter D4 of the rotor punching sheets is in the range of 89mm to 99mm, the shape and the size of each rotor tooth part are the same, and the tooth width L6 of each rotor tooth part is in the range of 4.6mm to 5.6 mm.
Preferably, the number of the mounting grooves is 27, the mounting grooves are circular bottom grooves, the bottoms of the mounting grooves are uniformly distributed along the circumference and tangent to a circle, the diameter D5 of the tangent circle is in the range of 56mm to 66mm, the groove bottom width L7 of the mounting grooves is in the range of 1.84mm to 2.64mm, the groove opening height H2 of the mounting grooves is in the range of 0.35mm to 0.95mm, the groove shoulder width L8 of the mounting grooves is in the range of 4.68mm to 5.48mm, the groove height H3 of the mounting grooves is in the range of 11.11mm to 13.11mm, and the groove opening width L9 of the mounting grooves is in the range of 0.5mm to 1.1 mm.
Preferably, the outer diameter D4 of the rotor punching sheet is 94mm, the tooth width L6 of the rotor tooth portion is 5.1mm, the diameter D5 of the tangent circle is 61mm, the groove bottom width L7 of the mounting groove is 2.24mm, the groove opening height H2 of the mounting groove is 0.65mm, the groove shoulder width L8 of the mounting groove is 5.08mm, the groove height H3 of the mounting groove is 12.11mm, and the groove opening width L9 of the mounting groove is 0.8mm.
Compared with the prior art, the utility model has the following effects:
1) The utility model provides a stator punching, including annular yoke and a plurality of stator tooth that stretches out from annular yoke inboard, form the wire casing between the adjacent stator tooth, the quantity of wire casing is 36, the wire casing is the round base groove, all wire casing shape sizes are the same and circumference evenly distributed, the inboard of stator tooth sets up the centre bore, the external diameter D2 of annular yoke is 155mm to 165 mm's scope, the internal diameter D3 of the centre bore of stator tooth is 89mm to 99 mm's scope, the tank bottom of wire casing is along circumference equipartition and tangent with a circle, the diameter D1 of this tangent circle is 122.9mm to 132.9 mm's scope, the tooth width L4 of stator tooth is 3.6mm to 4.4 mm's scope, the notch width L1 of wire casing is 1.6mm to 2.4 mm's scope, the inslot height H1 of wire casing is 11.4mm to 13.4 mm's scope, the wide L3 mm's of wire casing is 7mm to 7.4 mm's scope, the power can not reduce the motor's of the current efficiency of the improvement under the circumstances that the manufacturing cost is about the same, the motor can be reduced to the power of the whole, the improvement of the motor can not reduce the cost is guaranteed to the cost-effective condition under the circumstances of the manufacturing at present, the motor.
2) Other advantages of the present utility model are described in detail in the examples section.
Description of the drawings:
fig. 1 is a schematic structural view of a stator lamination according to a first embodiment of the present utility model;
FIG. 2 is an enlarged view of portion A provided for FIG. 1;
fig. 3 is a schematic structural view of a rotor sheet according to a third embodiment of the present utility model;
fig. 4 is an enlarged view of section B provided for fig. 3.
The specific embodiment is as follows:
the utility model is described in further detail below by means of specific embodiments in connection with the accompanying drawings.
Embodiment one:
as shown in fig. 1 and 2, the present embodiment provides a stator punching sheet, including an annular yoke 1 and a plurality of stator teeth 2 protruding from the inner side of the annular yoke 1, the shape and size of each stator tooth 2 are the same, wire inserting grooves 3 are formed between adjacent stator teeth 2, the number of wire inserting grooves 3 is 36, the wire inserting grooves 3 are circular bottom grooves, all the wire inserting grooves 3 are the same in shape and uniformly distributed circumferentially, the design is reasonable, the groove utilization rate of the wire inserting grooves can be improved, a central hole 21 is provided on the inner side of the stator teeth 2, the outer diameter D2 of the annular yoke 1 is in the range of 155mm to 165mm, the inner diameter D3 of the central hole 21 of the stator teeth 2 is in the range of 89mm to 99mm, the bottoms of the wire inserting grooves 3 are uniformly distributed circumferentially and tangent to a circle, the diameter D1 of the tangent circle is in the range of 122.9mm to 132.9mm, the tooth width L4 of the stator tooth part 2 is in the range of 3.6mm to 4.4mm, the design is reasonable, the magnetic density distribution of the stator tooth part and the annular yoke part can be improved, the size of the stator tooth part is increased, the magnetic density of the stator tooth part is reduced, the notch width L1 of the coil inserting groove 3 is in the range of 1.6mm to 2.4mm, the shoulder width L2 of the coil inserting groove 3 is in the range of 4.02mm to 4.82mm, the height H1 in the coil inserting groove 3 is in the range of 11.4mm to 13.4mm, the bottom width L3 of the coil inserting groove 3 is in the range of 6mm to 7mm, and the structure can be adopted under the same condition through verification, so that the manufacturing cost of the motor is reduced by about 7% on the premise that the energy efficiency and the output power of the current motor are unchanged, namely the production cost of the motor can be effectively reduced under the condition that the overall performance of the motor is not changed, so that the competitiveness of enterprises is improved.
A plurality of trimming edges 4 are circumferentially arranged on the outer edge of the annular yoke part 1, so that the material consumption is reduced, the cost is reduced, and the distance L5 between the two trimming edges 4 symmetrical about the central axis is in the range of 143mm to 153 mm.
The diameter D1 of the tangent circle is 127.9mm, the notch width L1 of the coil inserting groove 3 is 2mm, the shoulder width L2 of the coil inserting groove 3 is 4.42mm, the groove height H1 of the coil inserting groove 3 is 12.4mm, the groove bottom width L3 of the coil inserting groove 3 is 6.565mm, the tooth width L4 of the stator tooth 2 is 4mm, the outer diameter D2 of the annular yoke 1 is 160mm, the inner diameter D3 of the central hole 21 of the stator tooth 2 is 94mm, the number of the trimming edges 4 is 4, and the distance L5 between the two symmetrical trimming edges 4 is 148mm.
A plurality of positioning holes 5 and a plurality of rivet holes 6 are arranged in the edge of the annular yoke part 1, so that the installation is convenient.
Embodiment two:
the embodiment provides a stator assembly, which comprises a stator core, an insulating end part arranged on the stator core and a coil winding wound on the insulating end part, wherein the stator core is formed by laminating a plurality of stator punching sheets, and the stator punching sheets are the stator punching sheets in the first embodiment.
Embodiment III:
the embodiment provides a motor, including pivot, rotor subassembly, stator subassembly and shell subassembly, rotor subassembly installs in the pivot, and stator subassembly nestification installs in the shell subassembly the rotor subassembly cover is located the stator subassembly the inside, stator subassembly be the stator subassembly of embodiment two, stator subassembly include stator core, install the insulating tip on stator core and wind the coil winding on the insulating tip, coil winding is single-phase winding or three-phase winding.
The rotor assembly comprises a rotor core, the rotor core is formed by stacking a plurality of rotor punching sheets 7, as shown in fig. 3 and 4, a plurality of mounting grooves 71 for mounting conductive aluminum strips are formed in the edges of the rotor punching sheets 7, a rotor tooth part 8 is formed between two adjacent mounting grooves 71, the outer diameter D4 of the rotor punching sheets 7 is in a range of 89mm to 99mm, the shape and the size of each rotor tooth part 8 are the same, and the tooth width L6 of each rotor tooth part 8 is in a range of 4.6mm to 5.6 mm.
The number of the mounting grooves 71 is 27, the mounting grooves 71 are round bottom grooves, the bottoms of the mounting grooves 71 are uniformly distributed along the circumference and tangent to a circle, the diameter D5 of the tangent circle is in the range of 56mm to 66mm, the groove bottom width L7 of the mounting grooves 71 is in the range of 1.84mm to 2.64mm, the groove opening height H2 of the mounting grooves 71 is in the range of 0.35mm to 0.95mm, the groove shoulder width L8 of the mounting grooves 71 is in the range of 4.68mm to 5.48mm, the groove height H3 of the mounting grooves 71 is in the range of 11.11mm to 13.11mm, the groove opening width L9 of the mounting grooves 71 is in the range of 0.5mm to 1.1mm, and the motor is reasonable in design and can effectively improve the running stability of the motor.
The outer diameter D4 of the rotor sheet 7 was 94mm, the tooth width L6 of the rotor tooth portion 8 was 5.1mm, the diameter D5 of the tangent circle was 61mm, the groove bottom width L7 of the mounting groove 71 was 2.24mm, the groove opening height H2 of the mounting groove 71 was 0.65mm, the groove shoulder width L8 of the mounting groove 71 was 5.08mm, the groove height H3 of the mounting groove 71 was 12.11mm, and the groove opening width L9 of the mounting groove 71 was 0.8mm.
The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principles of the present utility model are included in the scope of the present utility model.
Claims (9)
1. The utility model provides a stator punching, includes annular yoke (1) and a plurality of stator tooth portions (2) that stretch out from annular yoke (1) inboard, forms between adjacent stator tooth portions (2) and inserts line groove (3), and the quantity of line groove (3) is 36, and line groove (3) are the round bottom groove, and all line grooves (3) shape and size are the same and circumference evenly distributed, and the inboard of stator tooth portion (2) sets up centre bore (21), its characterized in that: the outer diameter D2 of the annular yoke part (1) is in the range of 155mm to 165mm, the inner diameter D3 of the center hole (21) of the stator tooth part (2) is in the range of 89mm to 99mm, the groove bottoms of the coil inserting grooves (3) are uniformly distributed along the circumference and tangential to a circle, the diameter D1 of the tangential circle is in the range of 122.9mm to 132.9mm, the tooth width L4 of the stator tooth part (2) is in the range of 3.6mm to 4.4mm, the notch width L1 of the coil inserting grooves (3) is in the range of 1.6mm to 2.4mm, the groove shoulder width L2 of the coil inserting grooves (3) is in the range of 4.02mm to 4.82mm, the groove inner height H1 of the coil inserting grooves (3) is in the range of 11.4mm to 13.4mm, and the groove bottom width L3 of the coil inserting grooves (3) is in the range of 6mm to 7 mm.
2. A stator lamination as defined in claim 1 wherein: a plurality of trimming sections (4) are circumferentially provided on the outer edge of the annular yoke section (1), and the distance L5 between the two trimming sections (4) symmetrical about the central axis is in the range of 143mm to 153 mm.
3. A stator lamination as defined in claim 2 wherein: the diameter D1 of the tangent circle is 127.9mm, the notch width L1 of the coil inserting groove (3) is 2mm, the shoulder width L2 of the coil inserting groove (3) is 4.42mm, the height H1 in the coil inserting groove (3) is 12.4mm, the groove bottom width L3 of the coil inserting groove (3) is 6.565mm, the tooth width L4 of the stator tooth part (2) is 4mm, the outer diameter D2 of the annular yoke part (1) is 160mm, the inner diameter D3 of the central hole (21) of the stator tooth part (2) is 94mm, the number of the trimming edges (4) is 4, and the distance L5 between the two symmetrical trimming edges (4) is 148mm.
4. A stator lamination as defined in claim 3 wherein: a plurality of positioning holes (5) and a plurality of rivet holes (6) are arranged in the edge of the annular yoke part (1).
5. The utility model provides a stator module, includes stator core, installs the insulating tip on stator core and winds the coil winding on insulating tip, and stator core is laminated by a plurality of stator punching and is formed, its characterized in that: the stator lamination is a stator lamination as defined in any one of claims 1 to 4.
6. The utility model provides a motor, includes pivot, rotor subassembly, stator module and shell subassembly, and rotor subassembly installs in the pivot, and stator module nest installs in the shell subassembly the inside, and rotor subassembly cover is located the stator module the inside, its characterized in that: the stator assembly is the stator assembly of claim 5, and the stator assembly comprises a stator core, an insulating end part arranged on the stator core and a coil winding wound on the insulating end part, wherein the coil winding is a single-phase winding or a three-phase winding.
7. An electric machine as claimed in claim 6, characterized in that: the rotor assembly comprises a rotor core, the rotor core is formed by stacking a plurality of rotor punching sheets (7), a plurality of mounting grooves (71) for mounting conductive aluminum strips are formed in the edges of the rotor punching sheets (7), a rotor tooth part (8) is formed between every two adjacent mounting grooves (71), the outer diameter D4 of the rotor punching sheets (7) is in a range of 89mm to 99mm, the shape and the size of each rotor tooth part (8) are the same, and the tooth width L6 of each rotor tooth part (8) is in a range of 4.6mm to 5.6 mm.
8. An electric machine as claimed in claim 7, characterized in that: the number of the mounting grooves (71) is 27, the mounting grooves (71) are round bottom grooves, the bottoms of the mounting grooves (71) are uniformly distributed along the circumference and tangent to a circle, the diameter D5 of the tangent circle is in the range of 56mm to 66mm, the groove bottom width L7 of the mounting grooves (71) is in the range of 1.84mm to 2.64mm, the groove opening height H2 of the mounting grooves (71) is in the range of 0.35mm to 0.95mm, the groove shoulder width L8 of the mounting grooves (71) is in the range of 4.68mm to 5.48mm, the groove height H3 of the mounting grooves (71) is in the range of 11.11mm to 13.11mm, and the groove opening width L9 of the mounting grooves (71) is in the range of 0.5mm to 1.1 mm.
9. An electric machine as claimed in claim 8, characterized in that: the outer diameter D4 of the rotor punching sheet (7) is 94mm, the tooth width L6 of the rotor tooth part (8) is 5.1mm, the diameter D5 of the tangent circle is 61mm, the groove bottom width L7 of the mounting groove (71) is 2.24mm, the groove opening height H2 of the mounting groove (71) is 0.65mm, the groove shoulder width L8 of the mounting groove (71) is 5.08mm, the groove height H3 of the mounting groove (71) is 12.11mm, and the groove opening width L9 of the mounting groove (71) is 0.8mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120060297.6U CN218997785U (en) | 2021-01-11 | 2021-01-11 | Stator punching sheet, stator assembly using same and motor |
| PCT/CN2021/115559 WO2022148027A1 (en) | 2021-01-11 | 2021-08-31 | Stator punching piece, stator assembly applying same, and electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120060297.6U CN218997785U (en) | 2021-01-11 | 2021-01-11 | Stator punching sheet, stator assembly using same and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218997785U true CN218997785U (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120060297.6U Active CN218997785U (en) | 2021-01-11 | 2021-01-11 | Stator punching sheet, stator assembly using same and motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN218997785U (en) |
| WO (1) | WO2022148027A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116633046B (en) * | 2023-07-20 | 2023-10-03 | 西门子(天津)传动设备有限责任公司 | Stator and motor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201839108U (en) * | 2010-11-02 | 2011-05-18 | 中山大洋电机股份有限公司 | Motor stator iron core punch sheet structure |
| CN202840708U (en) * | 2012-08-15 | 2013-03-27 | 珠海格力电器股份有限公司 | Stator punching sheet for motor |
| JP6006382B2 (en) * | 2015-07-16 | 2016-10-12 | ファナック株式会社 | Motor having non-circular stator core, motor manufacturing apparatus, and motor manufacturing method |
| CN208923928U (en) * | 2018-11-06 | 2019-05-31 | 中山大洋电机股份有限公司 | A kind of motor |
| CN209692439U (en) * | 2019-02-21 | 2019-11-26 | 中山大洋电机股份有限公司 | A kind of motor stator punching |
-
2021
- 2021-01-11 CN CN202120060297.6U patent/CN218997785U/en active Active
- 2021-08-31 WO PCT/CN2021/115559 patent/WO2022148027A1/en active Application Filing
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| Publication number | Publication date |
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| WO2022148027A1 (en) | 2022-07-14 |
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