CN203219015U - Super high efficiency two-pole stator punching sheet of 250 height of center motor - Google Patents
Super high efficiency two-pole stator punching sheet of 250 height of center motor Download PDFInfo
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- CN203219015U CN203219015U CN 201320265744 CN201320265744U CN203219015U CN 203219015 U CN203219015 U CN 203219015U CN 201320265744 CN201320265744 CN 201320265744 CN 201320265744 U CN201320265744 U CN 201320265744U CN 203219015 U CN203219015 U CN 203219015U
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- stator punching
- punching sheet
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Abstract
The utility model discloses a super high efficiency two-pole stator punching sheet of a 250 height of center motor. The stator punching sheet is a circular hollow structure, an inner diameter round edge of the stator punching sheet is uniformly distributed with winding slots extending inwards, an inner diameter of the stator punching sheet is 235mm, an outer diameter of the stator punching sheet is 425mm, each winding slot comprises an arc edge, two side edges, two bevel edges and two straight edges which are sequentially arranged from inside to outside, depth of each winding slot is 32.9mm, a diameter of the arc edge is 14.8 mm, depth of the straight edges is 1mm, slot width of a connection portion of the two side edges and the arc edge is equal to the diameter of the arc edge, slot width of a connection portion of the two side edges and the bevel edges is 10.7mm, a tangential included angle a formed by the bevel edges and the inner diameter of the stator punching sheet is 200, and width of a slot formed by the two straight edges is 4mm. The stator punching sheet realizes integrated electro-magnetic design of the inner and outer diameters of the stator punching sheet, slot shapes and a slot number to meet IE3 energy efficiency requirements prescribed in IEC60034.30-2008, motor power is improved by 20-50%, efficiency is improved by 2-5 points, noise is reduced by 10%, and temperature rising is reduced by about 5%.
Description
Technical field
The utility model relates to the electromagnetic structure field of middle-size and small-size motor, is specifically related to ultra high efficiency 2 utmost point stator punchings of the high motor in a kind of 250 centers.
Background technology
The energy index of threephase asynchronous and the structure of its stator punching have very large the contact, and different structure (comprising the external diameter of stator punching, middle footpath and flute profile) has different performances, especially efficiency of motor index and relates to the efficiency examination.The structure of stator punching can not reach the energy efficiency indexes of stipulating in the existing IEC standard in the motor of existing Y2 series.Therefore, the stator laminating structure of centering small machine redesigns and is inevitable.The change of flute profile is only paid attention in design in the past, and interior external diameter and the corresponding groove number of punching do not had too many consideration.This case is carried out comprehensive Electromagnetic Design to interior external diameter, flute profile and the groove number of stator punching, has reached the IE3 efficiency requirement (94.1%) of defined among the IEC60034.30-2008.
Summary of the invention
The technical problems to be solved in the utility model provides ultra high efficiency 2 utmost point stator punchings of the high motor in a kind of 250 centers, and power of motor improves 20%-50%, and efficient improves 2-5 points, and noise reduces by 10%, and temperature rise reduces about 5%.
The utility model is achieved through the following technical solutions:
Ultra high efficiency 2 utmost point stator punchings of the high motor in a kind of 250 centers, described stator punching is circular hollow structure, is evenly distributed with the winding slot that extends internally on the stator punching internal diameter round edge, and described stator punching internal diameter is 235mm, and external diameter is 425mm; Described winding slot is made up of circular arc limit, dual-side, two hypotenuses and two straight flanges from inside to outside successively, the degree of depth of winding slot is 32.9mm, circular arc limit diameter is 14.8mm, the degree of depth of straight flange is 1mm, the groove width that dual-side and junction, circular arc limit form is identical with the diameter on circular arc limit, the groove width that dual-side and hypotenuse junction form is 10.7mm, and the tangential a angle that hypotenuse and stator punching internal diameter form is 20
0, the groove width that two straight flanges form is 4mm.
The further improvement project of the utility model is that described winding slot quantity is 36.
The utility model further improvement project is to be evenly equipped with binding groove and location notch on the described stator punching external diameter disc.
The utility model further improvement project is, described location notch is certainly outside to inside successively by two hypotenuses that tilt to both sides, two first straight vertical edges, two first horizontal edges, two second straight vertical edges and one second horizontal edge are formed, the groove width that hypotenuse and the first straight vertical edge junction form is 18mm, the b angle that hypotenuse and the first straight vertical edge form is 15 °, the degree of depth of the first straight vertical edge is 0.8mm, the groove width that two second straight vertical edges and second horizontal edge form is 4mm, the degree of depth is 2mm, the second straight vertical edge in left side is in described location notch position of center line, and the spacing of this second straight vertical edge and the first horizontal edge junction and stator punching external diameter tangent line is 3mm.
The utility model further improvement project is, the described first straight vertical edge is that arc transition is connected with the first horizontal edge junction, and arc radius is 0.5mm.
The utility model further improvement project is, described binding groove quantity is 8, and location notch quantity is 1.
The utility model compared with prior art has following obvious advantage:
The utility model carries out comprehensive Electromagnetic Design to interior external diameter, flute profile and the groove number of stator punching and has reached that the IE3 efficiency of defined requires (94.1%) among the IEC60034.30-2008, power of motor improves 20%-50%, efficient improves 2-5 points, and noise reduces by 10%, and temperature rise reduces about 5%.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the enlarged drawing of I among Fig. 1.
Fig. 3 is the enlarged drawing of II among Fig. 1.
Embodiment
Arrive shown in Figure 3 as Fig. 1, ultra high efficiency 2 utmost point stator punchings of the high motor in a kind of 250 centers described in the utility model, described stator punching is circular hollow structure, is evenly distributed with the winding slot 1 that extends internally on the stator punching internal diameter round edge, described stator punching internal diameter is 235mm, and external diameter is 425mm; Described winding slot 1 is made up of circular arc limit 11, dual-side 12, two hypotenuses 13 and two straight flanges 14 from inside to outside successively, quantity is 72, the degree of depth of winding slot 1 is 32.9mm, circular arc limit 11 diameters are 14.8mm, the degree of depth of straight flange 14 is 1mm, the groove width that dual- side 12 and 11 junctions, circular arc limit form is identical with the diameter on circular arc limit 11, and dual-side 12 is 10.7mm with the groove width that hypotenuse 13 junctions form, and hypotenuse 13 is 20 with the tangential a angle that the stator punching internal diameter forms
0, the groove width that two straight flanges 14 form is 4mm.
Be evenly equipped with 8 binding grooves 2 and 1 location notch 3 on the described stator punching external diameter disc.
Described location notch 3 is certainly outside to inside successively by two hypotenuses 31 that tilt to both sides, two first straight vertical edges 32, two first horizontal edges 33, two second straight vertical edges 34 and one second horizontal edge 35 are formed, the groove width that hypotenuse 31 and the first straight vertical edge, 32 junctions form is 18mm, the b angle that hypotenuse 31 and the first straight vertical edge 32 form is 15 °, the degree of depth of the first straight vertical edge 32 is 0.8mm, the groove width that two second straight vertical edges 34 and second horizontal edge 35 form is 4mm, the degree of depth is 2mm, the second straight vertical edge 34 in left side is in described location notch 3 position of center line, and the spacing of this second straight vertical edge 34 and first horizontal edge, 35 junctions and stator punching external diameter tangent line is 3mm.The described first straight vertical edge 34 is that arc transition is connected with first horizontal edge, 35 junctions, and arc radius is 0.5mm.
Claims (6)
1. ultra high efficiency 2 utmost point stator punchings of the high motor in center, described stator punching is circular hollow structure, be evenly distributed with the winding slot (1) that extends internally on the stator punching internal diameter round edge, it is characterized in that: described stator punching internal diameter is 235mm, and external diameter is 425mm; Described winding slot (1) is made up of circular arc limit (11), dual-side (12), two hypotenuses (13) and two straight flanges (14) from inside to outside successively, the degree of depth of winding slot (1) is 32.9mm, circular arc limit (11) diameter is 14.8mm, the degree of depth of straight flange (14) is 1mm, the groove width that dual-side (12) and junction, circular arc limit (11) form is identical with the diameter of circular arc limit (11), dual-side (12) is 10.7mm with the groove width that hypotenuse (13) junction forms, and hypotenuse (13) is 20 with the tangential a angle that the stator punching internal diameter forms
0, the groove width that two straight flanges (14) form is 4mm.
2. stator punching according to claim 1, it is characterized in that: described winding slot (1) quantity is 36.
3. stator punching according to claim 1 is characterized in that: be evenly equipped with binding groove (2) and location notch (3) on the described stator punching external diameter disc.
4. stator punching according to claim 3, it is characterized in that: described location notch (3) is certainly outside to inside successively by two hypotenuses (31) that tilt to both sides, two first straight vertical edges (32), two first horizontal edges (33), two second straight vertical edges (34) and one second horizontal edge (35) are formed, hypotenuse (31) is 18mm with the groove width that first straight vertical edge (32) junction forms, hypotenuse (31) is 15 ° with the b angle that the first straight vertical edge (32) forms, the degree of depth of the first straight vertical edge (32) is 0.8mm, two second straight vertical edges (34) are 4mm with the groove width that second horizontal edge (35) forms, the degree of depth is 2mm, the second straight vertical edge (34) in left side is in described location notch (3) position of center line, and this second straight vertical edge (34) is 3mm with the spacing of first horizontal edge (35) junction and stator punching external diameter tangent line.
5. stator punching according to claim 4, it is characterized in that: the described first straight vertical edge (34) is that arc transition is connected with first horizontal edge (35) junction, and arc radius is 0.5mm.
6. stator punching according to claim 3, it is characterized in that: described binding groove (2) quantity is 8, location notch (3) quantity is 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320265744 CN203219015U (en) | 2013-05-16 | 2013-05-16 | Super high efficiency two-pole stator punching sheet of 250 height of center motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320265744 CN203219015U (en) | 2013-05-16 | 2013-05-16 | Super high efficiency two-pole stator punching sheet of 250 height of center motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203219015U true CN203219015U (en) | 2013-09-25 |
Family
ID=49208517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320265744 Expired - Fee Related CN203219015U (en) | 2013-05-16 | 2013-05-16 | Super high efficiency two-pole stator punching sheet of 250 height of center motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203219015U (en) |
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2013
- 2013-05-16 CN CN 201320265744 patent/CN203219015U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WOLONG ELECTRIC GROUP CO., LTD. Free format text: FORMER OWNER: WOLONG ELECTRIC HUAIAN QINGJIANG MOTOR CO., LTD. Effective date: 20140625 Owner name: WOLONG ELECTRIC HUAIAN QINGJIANG MOTOR CO., LTD. Effective date: 20140625 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: WOLONG ELECTRIC HUAIAN QINGJIANG MOTOR CO., LTD. Free format text: FORMER NAME: JIANGSU QINGJIANG ELECTRIC MOTOR MANUFACTURING CO., LTD. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 223005 HUAIAN, JIANGSU PROVINCE TO: 312300 SHAOXING, ZHEJIANG PROVINCE |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 223005 No. 2 Guangzhou North Road, Huaian Economic Development Zone, Jiangsu Patentee after: JIANGSU QINGJIANG ELECTRIC MOTOR MANUFACTURING Co.,Ltd. Address before: 223005 No. 2 Guangzhou North Road, Huaian Economic Development Zone, Jiangsu Patentee before: Jiangsu Qingjiang Electric Motor Manufacturing Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140625 Address after: 312300 Shangyu City, Shaoxing province people's Road West, No. 1801, No. Patentee after: WOLONG ELECTRIC GROUP Co.,Ltd. Patentee after: JIANGSU QINGJIANG ELECTRIC MOTOR MANUFACTURING Co.,Ltd. Address before: 223005 No. 2 Guangzhou North Road, Huaian Economic Development Zone, Jiangsu Patentee before: JIANGSU QINGJIANG ELECTRIC MOTOR MANUFACTURING Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20200516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |