CN211790980U - High-efficient 4 utmost point stator punching of 250 center height motors - Google Patents
High-efficient 4 utmost point stator punching of 250 center height motors Download PDFInfo
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- CN211790980U CN211790980U CN202020236304.9U CN202020236304U CN211790980U CN 211790980 U CN211790980 U CN 211790980U CN 202020236304 U CN202020236304 U CN 202020236304U CN 211790980 U CN211790980 U CN 211790980U
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- 238000004080 punching Methods 0.000 title claims abstract description 66
- 238000004804 winding Methods 0.000 claims abstract description 25
- 239000011324 bead Substances 0.000 claims 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000003475 lamination Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a high-efficient 4 utmost point stator punching of 250 center high-speed motor, including the stator punching, the stator punching includes outer lane, inner circle and datum line, and the outer lane of stator punching and inner circle formation circular hollow structure, fastening groove has evenly been seted up to the outer lane department of stator punching, the winding groove has evenly been seted up to the inner circle department of stator punching, the bottom in winding groove is aligned with the inner circle, the top in winding groove is provided with the datum line. A high-efficient 4 utmost point stator punching sheets of 250 center high motors, increase the line footpath in order to reduce the motor temperature rise, lifting efficiency, motor efficiency improves, the motor groove number increases, is favorable to the sine degree of motor air gap magnetic field density, reduces motor stray loss, improves motor efficiency, reduces the motor temperature rise, makes stator tooth portion magnetic pressure drop and stator yoke portion pressure drop sum less, the motor no-load loss is less this moment, the iron core loss is less.
Description
Technical Field
The utility model relates to a water conservancy electromechanical device field, in particular to high-efficient 4 utmost points stator punching of 250 center high-speed motor.
Background
The force and energy indexes of the three-phase asynchronous motor are greatly related to the structure of a stator punching sheet of the three-phase asynchronous motor, different structures (including the outer diameter, the middle diameter and the groove shape of the stator punching sheet) have different performances, particularly the efficiency index of the motor relates to energy efficiency assessment, the groove matching of the 4-pole stator and rotor punching sheet of the existing 250-center high motor is 48/38, and the inner diameter ratio and the outer diameter ratio of the stator are 0.65. However, the existing stator and rotor punching sheet has unreasonable groove matching quantity, so that the loss of the motor iron core is large, the motor efficiency is low, the groove type of the stator punching sheet is unreasonable, the harmonic content is large, the stray loss is large, the efficiency of the motor is difficult to improve,
we propose a high efficiency 4-pole stator lamination for a 250-center high machine.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-efficient 4 utmost points stator punching of 250 center high motors can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high-efficient 4 utmost point stator punching of 250 center high motor, includes the stator punching, the stator punching includes outer lane, inner circle and datum line, and the outer lane of stator punching and inner circle formation circular hollow structure, fastening groove has evenly been seted up to the outer lane department of stator punching, the winding groove has evenly been seted up to the inner circle department of stator punching, the bottom and the inner circle in winding groove are aligned, the top in winding groove is provided with the datum line.
Preferably, the winding slot comprises a first straight line, a first circular arc, a second circular arc, a third circular arc, a second straight line, a third straight line, a clamping groove and a fourth straight line, the winding slot is symmetrically arranged, the third straight line, the second circular arc, the first straight line and the fourth straight line are sequentially connected, the distance between the third straight line and the fourth straight line is 3.2mm, the distance between the end points, far away from the first straight line and the second straight line, is 7.3mm, the length of the fourth straight line is 0.8mm, the included angle between the first straight line and the inner ring in the corresponding tangential direction is 30 degrees, the length from the inner ring to the top end of the second circular arc is 25mm, the circle center of the second circular arc is located on a reference line, the diameter of the second circular arc is 9.2mm, the first circular arc is a semicircle, the two ends of the second circular arc are connected with the third circular arc and the first circular arc, and the diameter of the first circular arc is 92mm, and clamping grooves are formed in the first circular arc and the third circular arc.
Preferably, the fastening groove comprises a fifth straight line, a first rounded corner, a sixth straight line, a seventh straight line, an eighth straight line, a ninth straight line, a second rounded corner, a third rounded corner and a tenth straight line, the fifth straight line, the first rounded corner, the sixth straight line, the third rounded corner and the tenth straight line of the fastening groove are symmetrically arranged, the fifth straight line, the first rounded corner, the sixth straight line, the seventh straight line, the second rounded corner, the eighth straight line, the ninth straight line, the sixth straight line, the third rounded corner and the tenth straight line are sequentially connected, the angle between the fifth straight line and the tenth straight line is 15 degrees in the direction corresponding to the axis, the distance between the top end of the outer ring and the sixth straight line is 3mm, the length of the intersection of the sixth straight line and the fifth straight line and the tenth straight line is 18mm, the intersection of the sixth straight line and the fifth straight line and the intersection of the sixth straight line are respectively provided with the first rounded corner and the third rounded corner, and the radius of the third fillet is 0.5mm, the ninth straight line coincides with the central line of the stator punching sheet, the length of the ninth straight line is 2mm, the intersecting length of the ninth straight line and the seventh straight line is 4mm, the angle between the second fillet and the corresponding axis direction is 15 degrees, the intersecting position of the second fillet and the eighth straight line is provided with a second fillet, and the radius of the second fillet is 0.5 mm.
Preferably, the diameter of an outer ring of the stator punching sheet is 399.932-400.125mm, the diameter of an inner ring of the stator punching sheet is 275.000-275.081mm, the coaxiality error of the outer ring when the inner ring is used as a reference is 0.06mm, and the diameter of the reference line is 325.00-325.23 mm.
Preferably, the number of the winding slots is 60, and the number of the fastening slots is 9.
Preferably, the stator punching sheet is internally provided with a rotor punching sheet matched with the stator punching sheet, and the rotor punching sheet is internally provided with 50 wire slots.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses in, be provided with the inner circle and the outer lane of electron punching, stator internal and external diameter ratio is improved to 0.6875 by 0.65, the stator internal diameter is increased to 275 by 260, thereby can reduce the number of turns, increase the line footpath in order to reduce the motor temperature rise, the lifting efficiency, the motor efficiency improves, be provided with slot number and cell type, the slot cooperation is adjusted by 48/38 to 60/50, the motor slot number increases, be favorable to the sine degree of motor air gap magnetic field density, reduce motor stray loss, the motor efficiency is improved, reduce the motor temperature rise, it is less with stator yoke portion pressure drop sum to make stator tooth portion magnetic drop, motor no-load loss is less this moment, the iron core loss is.
Drawings
Fig. 1 is an overall schematic diagram of a high-efficiency 4-pole stator lamination of a 250-center high-speed motor according to the present invention;
FIG. 2 is an enlarged view at I of FIG. 1;
fig. 3 is an enlarged view at II of fig. 1.
In the figure: 1. stator punching sheets; 2. an outer ring; 3. an inner ring; 4. a winding slot; 401. a first straight line; 402. A first arc; 403. a second arc; 404. a third arc; 405. a second straight line; 406. a third straight line; 407. a card slot; 408. a fourth straight line; 5. a fastening groove; 501. a fifth straight line; 502. a first rounded corner; 503. a sixth line; 504. a seventh straight line; 505. an eighth straight line; 506. a ninth line; 507. A second rounded corner; 508. a third fillet; 509. a tenth straight line; 6. a reference line.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-3, a high-efficiency 4-pole stator punching of a 250-center high motor comprises a stator punching 1, wherein the stator punching 1 comprises an outer ring 2, an inner ring 3 and a reference line 6, the outer ring 2 and the inner ring 3 of the stator punching 1 form a circular hollow structure, fastening grooves 5 are uniformly formed in the outer ring 2 of the stator punching 1, winding grooves 4 are uniformly formed in the inner ring 3 of the stator punching 1, the bottom ends of the winding grooves 4 are aligned with the inner ring 3, and the reference line 6 is arranged at the top ends of the winding grooves 4;
the winding slot 4 comprises a first straight line 401, a first circular arc 402, a second circular arc 403, a third circular arc 404, a second straight line 405, a third straight line 406, a clamping slot 407 and a fourth straight line 408, the winding slot 4 is symmetrically arranged, the third straight line 406, the second straight line 405, the third circular arc 404, the second circular arc 403, the first circular arc 402, the first straight line 401 and the fourth straight line 408 are sequentially connected, the distance between the third straight line 406 and the fourth straight line 408 is 3.2mm, the distance between the end points of the first straight line 401 and the second straight line 405 is 7.3mm, the length of the fourth straight line 408 is 0.8mm, the included angle between the first straight line 401 and the inner ring 3 in the tangential direction is 30 degrees, the length from the inner ring 3 to the top end of the second circular arc 403 is 25mm, the datum line of the second circular arc 403 is located on the circle center 6, the diameter of the second circular arc 403 is 9.2mm, the first circular arc 402 is a semicircle, and the two ends of the second circular arc 403 are connected with the third circular arc 404 and the, the diameters of the first arc 402 and the third arc 404 are 92mm, and clamping grooves 407 are formed in the first arc 402 and the third arc 404; the fastening groove 5 comprises a fifth straight line 501, a first rounded corner 502, a sixth straight line 503, a seventh straight line 504, an eighth straight line 505, a ninth straight line 506, a second rounded corner 507, a third rounded corner 508 and a tenth straight line 509, the fifth straight line 501, the first rounded corner 502, the sixth straight line 503, the third rounded corner 508 and the tenth straight line 509 of the fastening groove 5 are symmetrically arranged, the fifth straight line 501, the first rounded corner 502, the sixth straight line 503, the seventh straight line 504, the second rounded corner 507, the eighth straight line 505, the ninth straight line 506, the sixth straight line 503, the third rounded corner 508 and the tenth straight line 509 are sequentially connected, the fifth straight line 501 and the tenth straight line 509 respectively form an angle of 15 degrees with the corresponding axial direction, the distance between the top end of the outer ring 2 and the sixth straight line 503 is 3mm, the length of the intersection of the sixth straight line 503 and the fifth straight line 501 and the tenth straight line 509 is 18mm, the intersection of the sixth straight line 503 and the fifth straight line 501 and the tenth straight line 509 are respectively provided with the third rounded corner 502 and the third rounded corner 502, the radius of the third fillet 508 is 0.5mm, the ninth straight line 506 coincides with the center line of the stator punching sheet 1, the length of the ninth straight line 506 is 2mm, the intersection length of the ninth straight line 506 and the seventh straight line 504 is 4mm, the angle between the second fillet 507 and the corresponding axial direction is 15 degrees, a second fillet 507 is arranged at the intersection of the second fillet 507 and the eighth straight line 505, and the radius of the second fillet 507 is 0.5 mm; the diameter of an outer ring 2 of the stator punching sheet 1 is 399.932-400.125mm, the diameter of an inner ring 3 of the stator punching sheet 1 is 275.000-275.081mm, the coaxiality error of the outer ring 2 when the inner ring 3 is used as a reference is 0.06mm, and the diameter of the reference line 6 is 325.00-325.23 mm; the number of the winding slots 4 is 60, and the number of the fastening slots 5 is 9; the stator punching sheet 1 is internally provided with a rotor punching sheet matched with the stator punching sheet 1, and the rotor punching sheet is internally provided with 50 wire grooves.
It should be noted that, the utility model relates to a high-efficient 4-pole stator punching of 250 center high motor, when processing, the stator punching 1 is processed into circular hollow structure, and make the diameter of outer lane 2 399.932-400.125mm, the diameter of inner lane 3 is 275.000-275.081mm, and the coaxiality error when inner lane 3 is the benchmark of outer lane 2 is 0.06mm, the diameter of benchmark 6 is 325.00-325.23mm, the stator internal and external diameter ratio is improved to 0.6875 from 0.65, the stator internal diameter is increased to 275 from 260, thereby can reduce the number of turns, increase the wire diameter to reduce the motor temperature rise, the lifting efficiency, the motor efficiency is improved, then wire winding groove 4 and fastening groove 5 are processed, wherein the card slot can strengthen the friction between the coil and the stator punching, and the quantity of wire winding groove 4 is 60, the quantity of fastening groove 5 is 9, and wire winding groove 4 and fastening groove 5 are evenly distributed at inner lane 3 and outer lane 2, then, the wire resistors are wound on the outer ring 2 of the stator punching sheet 1, the number of the slots of the motor is increased, the sine degree of the air gap magnetic field density of the motor is facilitated, the stray loss of the motor is reduced, the efficiency of the motor is improved, the temperature rise of the motor is reduced, the sum of the magnetic voltage drop of the stator tooth part and the voltage drop of the stator yoke part is smaller, the no-load loss of the motor is smaller, and the loss of an iron.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a high-efficient 4 utmost point stator punching of 250 center high motors which characterized in that: including stator punching (1), stator punching (1) includes outer lane (2), inner circle (3) and datum line (6), and outer lane (2) and inner circle (3) of stator punching (1) form circular hollow structure, fastening groove (5) have evenly been seted up to outer lane (2) department of stator punching (1), winding groove (4) have evenly been seted up to inner circle (3) department of stator punching (1), the bottom and inner circle (3) of winding groove (4) are aligned, the top of winding groove (4) is provided with datum line (6).
2. The high-efficiency 4-pole stator punching sheet of a 250-center high motor, as recited in claim 1, is characterized in that: the winding groove (4) comprises a first straight line (401), a first circular arc (402), a second circular arc (403), a third circular arc (404), a second straight line (405), a third straight line (406), a clamping groove (407) and a fourth straight line (408), the winding groove (4) is symmetrically arranged, the third straight line (406), the second straight line (405), the third circular arc (404), the second circular arc (403), the first circular arc (402), the first straight line (401) and the fourth straight line (408) are sequentially connected, the distance between the third straight line (406) and the fourth straight line (408) is 3.2mm, the distance between the end points of the first straight line (401) and the second straight line (405) which are far away is 7.3mm, the length of the fourth straight line (408) is 0.8mm, the included angle between the first straight line (401) and the inner circle (3) in the tangential direction is 30 degrees, and the length from the top end of the second circular arc (403) of the inner circle (3) is 25mm, the circle center of the second arc (403) is located on the datum line (6), the diameter of the second arc (403) is 9.2mm, the first arc (402) is a semicircle, two ends of the second arc (403) are connected with the third arc (404) and the first arc (402), the diameters of the first arc (402) and the third arc (404) are 92mm, and clamping grooves (407) are formed in the first arc (402) and the third arc (404).
3. The high-efficiency 4-pole stator punching sheet of a 250-center high motor, as recited in claim 1, is characterized in that: the fastening groove (5) comprises a fifth straight line (501), a first circular bead (502), a sixth straight line (503), a seventh straight line (504), an eighth straight line (505), a ninth straight line (506), a second circular bead (507), a third circular bead (508) and a tenth straight line (509), the fifth straight line (501), the first circular bead (502), the sixth straight line (503), the third circular bead (508) and the tenth straight line (509) of the fastening groove (5) are symmetrically arranged, the fifth straight line (501), the first circular bead (502), the sixth straight line (503), the seventh straight line (504), the second circular bead (507), the eighth straight line (505), the ninth straight line (506), the sixth straight line (503), the third circular bead (508) and the tenth straight line (509) are sequentially connected, the angles of the fifth straight line (501) and the tenth straight line (509) with corresponding axial directions are respectively 15 degrees, and the distance between the top end of the fastening groove (2) and the sixth straight line (503) is 3mm, the length of the intersection of the sixth straight line (503) and the extension lines of the fifth straight line (501) and the tenth straight line (509) is 18mm, the intersection of the sixth straight line (503) and the fifth straight line (501) and the intersection of the sixth straight line (503) and the tenth straight line (509) are respectively provided with a first fillet (502) and a third fillet (508), the radius of the third fillet (508) is 0.5mm, the ninth straight line (506) is superposed with the central line of the stator punching sheet (1), the length of the ninth straight line (506) is 2mm, the intersection length of the ninth straight line (506) and the seventh straight line (504) is 4mm, the angle between the second fillet (507) and the corresponding axial direction is 15 degrees, the intersection of the second fillet (507) and the eighth straight line (505) is provided with a second fillet (507), and the radius of the second fillet (507) is 0.5 mm.
4. The high-efficiency 4-pole stator punching sheet of a 250-center high motor, as recited in claim 1, is characterized in that: the diameter of the outer ring (2) of the stator punching sheet (1) is 399.932-400.125mm, the diameter of the inner ring (3) of the stator punching sheet (1) is 275.000-275.081mm, the coaxiality error of the outer ring (2) when the inner ring (3) is used as a reference is 0.06mm, and the diameter of the reference line (6) is 325.00-325.23 mm.
5. The high-efficiency 4-pole stator punching sheet of a 250-center high motor, as recited in claim 1, is characterized in that: the number of the winding grooves (4) is 60, and the number of the fastening grooves (5) is 9.
6. The high-efficiency 4-pole stator punching sheet of a 250-center high motor, as recited in claim 1, is characterized in that: the stator punching sheet (1) is internally provided with a rotor punching sheet matched with the stator punching sheet (1), and the rotor punching sheet is internally provided with 50 wire grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020236304.9U CN211790980U (en) | 2020-03-02 | 2020-03-02 | High-efficient 4 utmost point stator punching of 250 center height motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020236304.9U CN211790980U (en) | 2020-03-02 | 2020-03-02 | High-efficient 4 utmost point stator punching of 250 center height motors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211790980U true CN211790980U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020236304.9U Active CN211790980U (en) | 2020-03-02 | 2020-03-02 | High-efficient 4 utmost point stator punching of 250 center height motors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211790980U (en) |
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2020
- 2020-03-02 CN CN202020236304.9U patent/CN211790980U/en active Active
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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 high-efficiency 4-pole stator punch for a 250 center-high motor Effective date of registration: 20220902 Granted publication date: 20201027 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: JIANGTIAN MOTOR Co.,Ltd. Registration number: Y2022980014384 |
|
| 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: 20230823 Granted publication date: 20201027 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: JIANGTIAN MOTOR Co.,Ltd. Registration number: Y2022980014384 |
|
| 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: Efficient 4-pole stator lamination for a 250 center high motor Effective date of registration: 20230825 Granted publication date: 20201027 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: JIANGTIAN MOTOR Co.,Ltd. Registration number: Y2023980053724 |
|
| 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 |
Granted publication date: 20201027 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: JIANGTIAN MOTOR Co.,Ltd. Registration number: Y2023980053724 |
|
| 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 high-efficiency 4-pole stator punching plate for a 250 center high motor Granted publication date: 20201027 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: JIANGTIAN MOTOR Co.,Ltd. Registration number: Y2024980034200 |