CN218071119U - Auxiliary stator punching sheet and motor - Google Patents
Auxiliary stator punching sheet and motor Download PDFInfo
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- CN218071119U CN218071119U CN202222452274.7U CN202222452274U CN218071119U CN 218071119 U CN218071119 U CN 218071119U CN 202222452274 U CN202222452274 U CN 202222452274U CN 218071119 U CN218071119 U CN 218071119U
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Abstract
The application relates to the technical field of motors, in particular to a secondary stator punching sheet and a motor, wherein the secondary stator punching sheet comprises a punching sheet ring body and two extending sheets symmetrically arranged on two sides of the punching sheet ring body, a rotor mounting hole is formed in the middle of the punching sheet ring body, a short circuit slot group communicated with the rotor mounting hole is arranged on the inner side of the punching sheet ring body, and the short circuit slot group comprises two short circuit slots symmetrically arranged around the center of the rotor mounting hole; the both sides of extending the piece are not connected to the piece towards the piece ring body are equipped with the breach groove along the symmetry, the breach groove includes the half slot and passes through to the lead-over groove towards the outer edge of piece ring body from the half slot, the centre of a circle skew two symmetrical lines that extend the piece of half slot. This application can realize the good rotational speed of motor, reaches the purpose that promotes the motor performance.
Description
Technical Field
The application relates to the technical field of motors, in particular to an auxiliary stator punching sheet and a motor.
Background
The motor stator generally comprises a main stator core, an auxiliary stator core and a coil, wherein the main stator core and the auxiliary stator core are respectively formed by stacking a main stator punching sheet and an auxiliary stator punching sheet, the auxiliary stator core is arranged in the main stator core and is relatively fixed with the main stator core, and the coil is wound on the auxiliary stator core, so as to form the motor stator.
The main body of the auxiliary stator punching sheet is sheet-shaped and is provided with a through hole for the rotor core to penetrate through, meanwhile, a short circuit groove for installing a short circuit coil and a notch groove for reducing the running magnetic flux of the punching sheet are also arranged on the auxiliary stator punching sheet, and the arrangement of different short circuit grooves and notch grooves has different influences on the performance of the motor, particularly the rotating speed.
SUMMERY OF THE UTILITY MODEL
First aspect, in order to realize the good rotational speed of motor, promotes the performance of motor, this application provides an vice stator punching.
The application provides a vice stator punching sheet adopts following technical scheme:
a secondary stator punching sheet comprises a punching sheet ring body and two extending sheets symmetrically arranged on two sides of the punching sheet ring body, wherein a rotor mounting hole is formed in the middle of the punching sheet ring body, a short circuit groove group communicated with the rotor mounting hole is arranged on the inner side of the punching sheet ring body, and the short circuit groove group comprises two short circuit grooves symmetrically arranged around the center of the rotor mounting hole; the both sides of extending the piece are not connected to towards the piece ring body are equipped with the breach groove along the symmetry, the breach groove includes the half slot and passes through to the transition groove towards the outer edge of piece ring body from the half slot, the centre of a circle of half slot deviates two symmetrical lines that extend the piece.
Through adopting above-mentioned technical scheme, set up the breach groove into the combination of half slot and transition groove, and the symmetry sets up at the both sides border of not connecting the extension piece towards the piece ring body, and the reducible motor operation in-process is the magnetic flux on the vice stator punching to realize the good rotational speed of motor, reach the purpose that promotes the motor performance.
Optionally, the distance between two edges of the punching sheet ring body which are not connected with the extending sheet is 39.4mm, the radius of the semi-circular groove is 1.2mm, and the distance between the circle center of the semi-circular groove and the outer edge of the punching sheet ring body is 0.3mm; the transition groove extends outwards from the circle center of the semicircular groove, and the edge of the transition groove is in fillet transition with the outer edge of the punching sheet ring body.
Through adopting above-mentioned technical scheme, under the condition that the distance is 39.4mm between the both sides edge of not connecting the extension piece towards the piece ring body, set up the radius of half slot to 1.2mm, the extension length that passes the aqueduct sets up to 0.3mm, can realize good magnetic flux and weaken the effect on the basis of keeping towards piece ring body structural stability through verifying to reach the purpose that promotes the motor performance.
Optionally, the short circuit groove groups are two groups, and an included angle between center connecting lines of the short circuit grooves in the two groups of short circuit groove groups is 28 °.
By adopting the technical scheme, four short circuit slots are totally arranged in the two groups of short circuit slot groups, at most four groups of short circuit coils can be formed by winding, and the adjacent short circuit coils can have corresponding intervals to reduce the mutual interference.
Optionally, the short-circuiting groove includes a circular groove and a strip-shaped groove, the strip-shaped groove is located on one side of the circular groove close to the center of the rotor mounting hole, and the strip-shaped groove extends along the radial direction of the rotor mounting hole; the strip-shaped groove communicates the circular groove with the rotor mounting hole.
By adopting the technical scheme, the strip-shaped groove is used for the coil to be wound and pass through, and the circular groove is used for accommodating a wound short-circuit coil; simultaneously, the orientation setting of bar groove is convenient for supply the embedding of short circuit coil and is convoluteed, and the setting of circular recess also can play the effect that reduces towards piece magnetic flux to a certain extent to reach the effect that promotes the motor performance.
Optionally, the diameter of the rotor mounting hole is 35.1mm, the distance between the circle center of the circular groove and the circle center of the rotor mounting hole is 19.6mm, and the diameter of the circular groove is 3mm.
Through adopting above-mentioned technical scheme for the centre of a circle of circular slot has 2.05 mm's interval with the pore wall of rotor mounting hole, and the radius of circular slot then is 1.5mm, so that the circular slot presents for complete circular and is convenient for hold more short circuit coils.
Optionally, the width of the strip-shaped groove is smaller than the radius of the circular groove.
By adopting the technical scheme, the short circuit coil is embedded in the short circuit slot to be wound, and the short circuit coil is not easy to be wound in the strip-shaped slot.
Optionally, two anchor buttons are arranged on the extension sheet, the anchor buttons protrude out of one surface of the extension sheet, an anchor groove is formed in the surface of the extension sheet, which is far away from the protrusion of the anchor buttons, and the anchor groove and the anchor buttons can be matched; the two anchor buttons are arranged at intervals, and the length extending direction of the anchor buttons and the symmetrical lines of the two extending pieces form an included angle of 45 degrees.
By adopting the technical scheme, after the two auxiliary stator punching sheets are overlapped, the anchor buckle with a certain angle in the extending direction can enable the auxiliary stator punching sheets to be more stable in transverse and longitudinal connection.
Optionally, the cross section of the anchor groove is in an isosceles trapezoid shape.
By adopting the technical scheme, the matching between the anchor buckle and the anchor groove is conveniently realized when the two auxiliary stator punching sheets are overlapped.
Optionally, the connection part of the extending sheet and the punching sheet ring body is provided with a fillet transition with a radius of 2 mm.
By adopting the technical scheme, the outer edge acute angle of the auxiliary stator punching sheet is reduced, so that the whole outer edge is more smooth and is convenient to assemble into the main stator core.
In a second aspect, the application provides a motor for realizing a good rotating speed of the motor and improving the performance of the motor.
The application provides a motor adopts following technical scheme:
a motor comprises a main stator core, an auxiliary stator core, a coil and a rotor core, wherein the auxiliary stator core comprises a plurality of auxiliary stator punching sheets; the auxiliary stator iron core is arranged in the main stator iron core and fixed relative to the main stator iron core, the coil is wound on the auxiliary stator iron core, and the rotor iron core is arranged in the auxiliary stator iron core.
By adopting the technical scheme, the good rotating speed of the motor is realized, and the performance of the motor is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the magnetic flux on the auxiliary stator punching sheet in the motor operation process can be reduced, so that the good rotating speed of the motor is realized, and the purpose of improving the performance of the motor is achieved;
2. the two groups of short circuit slot groups are totally provided with four short circuit slots, at most four groups of short circuit coils can be formed by winding, and adjacent short circuit coils can have corresponding intervals to reduce the mutual interference;
3. the orientation setting of bar groove is convenient for supply the embedding of short circuit coil and is convoluteed, and the setting of circular recess also can play the effect that reduces towards piece magnetic flux to a certain extent to reach the effect that promotes the motor performance.
Drawings
FIG. 1 is a schematic structural diagram of a secondary stator lamination in an embodiment of the present application;
FIG. 2 isbase:Sub>A cross-sectional view taken from perspective A-A of FIG. 1;
FIG. 3 is a schematic structural diagram of a main stator lamination in an embodiment of the present application;
fig. 4 is a schematic structural diagram of a rotor sheet in an embodiment of the present application.
Description of reference numerals: 1. punching a sheet ring body; 11. a rotor mounting hole; 12. a circular arc transition angle; 2. an extension piece; 21. an anchor buckle; 22. an anchor groove; 3. a notch groove; 4. a short circuit slot; 41. a circular groove; 42. a strip-shaped groove; 5. a main stator punching sheet; 51. an accommodating space; 6. rotor punching sheets; 61. a tooth socket.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses a secondary stator punching sheet. Referring to fig. 1, the secondary stator punching sheet is integrally sheet-shaped, and specifically includes a punching sheet ring body 1 and two extending sheets 2 symmetrically arranged on two sides of the punching sheet ring body 1, the punching sheet ring body 1 and the extending sheets 2 are equal in thickness, and in this embodiment, the thickness is 0.5mm; meanwhile, the transition is realized by the fillet with the radius of 2mm at the joint of the extension sheet 2 and the punching sheet ring body 1.
The punching sheet ring body 1 is generally rectangular, and a circular rotor mounting hole 11 is formed in the middle of the punching sheet ring body 1; meanwhile, two opposite outer edges of the punching sheet ring body 1 are connected with the extension sheet 2, and a group of opposite corners at the other two opposite outer edges are provided with arc transition corners 12.
Referring to fig. 1, the punching sheet ring body 1 is symmetrically provided with notch grooves 3 along two sides which are not connected with the extension sheet 2, and the notch grooves 3 are positioned on one side of the punching sheet ring body 1 far away from the arc transition angle 12; meanwhile, the notch groove 3 comprises a semi-circular groove and a transition groove which is transited from the semi-circular groove to the outer edge of the punching sheet ring body 1, and the circle center of the semi-circular groove deviates from the symmetry line of the two extending sheets 2. Correspondingly, the transition groove extends outwards from the circle center of the semicircular groove, and the edge of the transition groove is in fillet transition with the outer edge of the punching sheet ring body 1.
In this embodiment, the distance between the two edges of the punching sheet ring body 1, which are not connected with the extension sheets 2, is 39.4mm, the radius of the semi-circular groove is 1.2mm, the distance a between the center of the semi-circular groove and the outer edge of the punching sheet ring body 1 is 0.3mm, and the distance b between the center of the semi-circular groove and the symmetric line of the two extension sheets 2 is 4.7mm.
Referring to fig. 1, a short circuit slot 4 group communicated to a rotor mounting hole 11 is arranged on the inner side of a punching sheet ring body 1, and the short circuit slot 4 group comprises two short circuit slots 4 symmetrically arranged around the center of the rotor mounting hole 11; meanwhile, there are two groups of short-circuiting grooves 4, and the angle α between the center connecting lines of the short-circuiting grooves 4 in the two groups of short-circuiting grooves 4 is 28 °, and in the present embodiment, the angle β between the center connecting lines of the short-circuiting grooves 4 in the group of short-circuiting grooves 4 close to the center connecting lines of the extension pieces 2 on both sides is 14 °.
Specifically, the short-circuiting groove 4 includes a circular groove 41 and a strip-shaped groove 42; wherein, the strip-shaped groove 42 is located at one side of the circular groove 41 close to the center of the rotor mounting hole 11, and the strip-shaped groove 42 extends along the radial direction of the rotor mounting hole 11, and the circular groove 41 is communicated with the rotor mounting hole 11 by the arrangement of the strip-shaped groove 42.
In the present embodiment, the diameter of the rotor mounting hole 11 is 35.1mm; specifically, the distance c between the center of the circular groove 41 and the center of the rotor mounting hole 11 was set to 19.6mm, that is, the center of the circular groove 41 was on the concentric circle of the rotor mounting hole 11 and the diameter of the concentric circle was 39.2mm, and the diameter of the circular groove 41 was set to 3mm accordingly. Meanwhile, the width d of the strip groove 42 is set smaller than the radius of the circular groove 41, and in the present embodiment, the width d of the strip groove 42 is specifically set to 1.3mm.
Referring to fig. 1 and 2, the extension sheet 2 is provided with two anchor buttons 21, that is, four anchor buttons 21 are provided on one secondary stator punching sheet in total; the anchor button 21 protrudes out of one surface of the extension sheet 2, correspondingly, an anchor groove 22 is formed in the surface, which is far away from the anchor button 21, of the extension sheet 2, and the anchor groove 22 and the anchor button 21 can be matched so as to realize the stacking of two auxiliary stator punching sheets; meanwhile, the cross sections of the anchor slot 22 and the anchor buckle 21 are in an isosceles trapezoid shape, so that the anchor buckle 21 and the anchor slot 22 can be matched conveniently when the two auxiliary stator punching sheets are overlapped.
In addition, the two anchor buckles 21 on the same extension sheet 2 are arranged in parallel at intervals, and in this embodiment, the distance e between the two anchor buckles 21 on the same extension sheet 2 is 11.5mm; moreover, an included angle gamma formed by the length extension direction of the anchor buckle 21 and the symmetric line of the two extension pieces 2 is 45 degrees, so that the connection between the auxiliary stator punching pieces in the transverse direction and the longitudinal direction is more stable.
The implementation principle of a vice stator punching and motor of this application embodiment does: the notch grooves 3 are arranged to be combined into the semicircular grooves and the transition grooves, and are symmetrically arranged on two edges of the punching sheet ring body 1 which is not connected with the extension sheet 2, so that the magnetic flux on the auxiliary stator punching sheet in the operation process of the motor can be reduced, the good rotating speed of the motor is realized, and the purpose of improving the performance of the motor is achieved.
The embodiment of the application also discloses a motor. The motor comprises a main stator iron core, an auxiliary stator iron core, a coil and a rotor iron core, wherein the auxiliary stator iron core is arranged in the main stator iron core and is relatively fixed with the main stator iron core, the coil is wound on the auxiliary stator iron core, and the rotor iron core is arranged in the auxiliary stator iron core.
Specifically, main stator core, vice stator core and rotor core are piled up by the punching and are constituteed, and wherein, vice stator core includes the vice stator punching in a plurality of the aforesaid. Correspondingly, refer to fig. 3, main stator core includes if a plurality of main stator towards piece 5, and in this embodiment, main stator towards piece 5 is the rectangle cyclic annular, and main stator towards piece 5 embeds there is accommodation space 51 with vice stator towards piece looks adaptation.
Referring to fig. 4, the rotor core includes a plurality of rotor sheets 6, the rotor sheets 6 are integrally circular and adapted to the built-in rotor mounting holes 11 of the auxiliary stator sheets, and in this embodiment, twenty tooth grooves 61 are uniformly formed in the circumferential direction of the rotor sheets 6.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a vice stator punching, includes and locates extension piece (2) towards the both sides of piece ring body (1) towards piece ring body (1) and two symmetries, towards piece ring body (1) middle part formation rotor mounting hole (11), its characterized in that: the punching sheet ring body (1) is internally provided with a short circuit groove (4) group communicated to the rotor mounting hole (11), and the short circuit groove (4) group comprises two short circuit grooves (4) symmetrically arranged around the center of the rotor mounting hole (11); towards both sides that extension piece (2) are not connected to piece ring body (1) and be equipped with breach groove (3) along the symmetry, breach groove (3) include the half slot and transition to the lead-over groove towards the outer edge of piece ring body (1) from the half slot, the centre of a circle of half slot deviates two symmetrical lines that extend piece (2).
2. The secondary stator lamination as claimed in claim 1, wherein: the distance between two edges of the punching sheet ring body (1) which are not connected with the extension sheet (2) is 39.4mm, the radius of the semicircular groove is 1.2mm, and the distance between the circle center of the semicircular groove and the outer edge of the punching sheet ring body (1) is 0.3mm; the transition groove extends outwards from the circle center of the semicircular groove, and the edge of the transition groove is in fillet transition with the outer edge of the punching sheet ring body (1).
3. The secondary stator lamination as claimed in claim 1, wherein: the short circuit grooves (4) are divided into two groups, and the included angle between the central connecting lines of the short circuit grooves (4) in the two groups of short circuit grooves (4) is 28 degrees.
4. The secondary stator lamination as claimed in claim 1 or 3, wherein: the short circuit groove (4) comprises a circular groove (41) and a strip-shaped groove (42), the strip-shaped groove (42) is positioned on one side, close to the center of the rotor mounting hole (11), of the circular groove (41), and the strip-shaped groove (42) extends along the radial direction of the rotor mounting hole (11); the strip-shaped groove (42) connects the circular groove (41) with the rotor mounting hole (11).
5. The secondary stator lamination as claimed in claim 4, wherein: the diameter of the rotor mounting hole (11) is 35.1mm, the distance between the circle center of the circular groove (41) and the circle center of the rotor mounting hole (11) is 19.6mm, and the diameter of the circular groove (41) is 3mm.
6. The secondary stator lamination as claimed in claim 5, wherein: the width of the strip-shaped groove (42) is smaller than the radius of the circular groove (41).
7. The secondary stator lamination as claimed in claim 1, wherein: the extension sheet (2) is provided with two anchor buckles (21), the anchor buckles (21) protrude out of one surface of the extension sheet (2), an anchor groove (22) is formed in the surface, deviating from the anchor buckles (21), of the extension sheet (2), and the anchor groove (22) and the anchor buckles (21) can be matched; the two anchor buttons (21) are arranged at intervals, and the length extension direction of the anchor buttons (21) and the symmetrical line of the two extension sheets (2) form an included angle of 45 degrees.
8. The secondary stator lamination as claimed in claim 7, wherein: the cross section of the anchor groove (22) is in an isosceles trapezoid shape.
9. The secondary stator lamination as claimed in claim 1, wherein: the fillet transition with the radius of 2mm is arranged at the joint of the extension sheet (2) and the punching sheet ring body (1).
10. An electric machine characterized by: the stator comprises a main stator core, an auxiliary stator core, a coil and a rotor core, wherein the auxiliary stator core comprises a plurality of auxiliary stator punching sheets as claimed in any one of claims 1 to 9; the auxiliary stator core is arranged in the main stator core and fixed relatively, the coil is wound on the auxiliary stator core, and the rotor core is arranged in the auxiliary stator core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222452274.7U CN218071119U (en) | 2022-09-15 | 2022-09-15 | Auxiliary stator punching sheet and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222452274.7U CN218071119U (en) | 2022-09-15 | 2022-09-15 | Auxiliary stator punching sheet and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218071119U true CN218071119U (en) | 2022-12-16 |
Family
ID=84411251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222452274.7U Active CN218071119U (en) | 2022-09-15 | 2022-09-15 | Auxiliary stator punching sheet and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218071119U (en) |
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2022
- 2022-09-15 CN CN202222452274.7U patent/CN218071119U/en active Active
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