CN203261207U - Highly-efficient 4-pole rotor sheet of motor of 250 center height - Google Patents
Highly-efficient 4-pole rotor sheet of motor of 250 center height Download PDFInfo
- Publication number
- CN203261207U CN203261207U CN 201320265748 CN201320265748U CN203261207U CN 203261207 U CN203261207 U CN 203261207U CN 201320265748 CN201320265748 CN 201320265748 CN 201320265748 U CN201320265748 U CN 201320265748U CN 203261207 U CN203261207 U CN 203261207U
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- straight flange
- edges
- rotor punching
- depth
- groove width
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- 238000004080 punching Methods 0.000 claims description 32
- 238000004804 winding Methods 0.000 claims description 11
- 238000010618 wire wrap Methods 0.000 abstract 3
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a highly-efficient 4-pole rotor sheet of a motor of 250 center height. The rotor sheet is of a circular hollow structure; wire wrapping grooves stretching inwards are symmetrically distributed in the edge of an external-diameter circle of the rotor sheet; the inner diameter of the rotor sheet is 90 mm and the external diameter is 265 mm; each wire wrapping groove is formed by two first straight edges, two slanting edges slanting towards two sides, two second straight edges, two first horizontal edges, two side edges and a second horizontal edge successively from outside to inside; the depth of each wire wrapping groove is 48.6 mm; the width of the groove formed by the two first straight edges is 1.5 mm; the depth of each first straight edge is 1.6 mm; an included angle alpha of 300 degrees in a tangent direction is formed between each slanting edge and the external diameter of the rotor sheet; the width of the groove formed by the inclined edges and the second straight edges is 4.3 mm; the groove formed by the first horizontal edges and the side edges is 7.2 mmm; the width of the groove in the junction formed by the two side edges and the second horizontal edge is 2.5 mm; and the distance between the first horizontal edges and the second horizontal edge is 29.5 mm.
Description
Technical field
The utility model relates to the electromagnetic structure field of middle-size and small-size motor, is specifically related to efficient 4 utmost point rotor punchings of the high motor in a kind of 250 centers.
Background technology
The energy index of threephase asynchronous and the structure of its rotor punching have very large the contact, and the efficiency index that different structure (external diameter, central diameter and the flute profile that comprise rotor punching) has different performances, especially motor relates to the efficiency examination.The structure of the motor rotor punching of existing Y2 series can not reach the energy efficiency indexes of stipulating in the existing IEC standard.Therefore, the rotor punching structure of centering small machine redesigns and is inevitable.The change of flute profile is only paid attention in design in the past, and internal-and external diameter and the corresponding groove number of punching do not had too many consideration.This case is carried out comprehensive Electromagnetic Design to internal-and external diameter, flute profile and the groove number of rotor 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 efficient 4 utmost point rotor punchings of the high motor in a kind of 250 centers, and power of motor improves 20%-50%, and efficient improves 2-5 points, reducing noise 10%, and temperature rise reduces about 5%.
The utility model is achieved through the following technical solutions:
Efficient 4 utmost point rotor punchings of the high motor in a kind of 250 centers, described rotor punching is circular hollow structure, is evenly distributed with the winding slot that extends internally on the rotor punching external diameter round edge, and described rotor punching internal diameter is 90mm, and external diameter is 265mm; Described winding slot is from being comprised of two first straight flanges, two hypotenuses, two second straight flanges, two first horizontal edges, dual-side and one second horizontal edge that tilt to both sides successively outside to inside, the degree of depth of winding slot is 48.6mm, the groove width that two first straight flanges form is 1.5mm, the degree of depth of the first straight flange is 1.6mm, and the tangential a angle that hypotenuse and rotor punching external diameter form is 30
0The groove width that two hypotenuses and the second straight flange junction form is 4.3mm, the groove width that two first horizontal edges and side junction form is 7.2mmm, and the groove width that dual-side and the second horizontal edge junction form is 2.5mm, and the distance between the first horizontal edge and the second horizontal edge is 29.5mm.
The further improvement project of the utility model is that described winding slot quantity is 40.
The utility model further improvement project is to be arranged with A keyway and the B keyway that extends internally on the described rotor punching internal diameter disc.
The utility model further improvement project is, described A keyway is comprised of left straight flange, right straight flange and interior hypotenuse, and the left straight flange degree of depth is 4mm, and the right straight flange degree of depth is 5mm, and the groove width that left straight flange and right straight flange (22) form is 10mm.
The utility model further improvement project is, described B keyway is comprised of left straight flange, right straight flange and interior straight flange, and the degree of depth of left straight flange and right straight flange is 5.5mm, and the groove width that left straight flange and right straight flange form is 8mm.
The utility model compared with prior art has following obvious advantage:
The utility model carries out comprehensive Electromagnetic Design to internal-and external diameter, flute profile and the groove number of rotor 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, reducing noise 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.
Fig. 4 is the enlarged drawing of III among Fig. 1.
Embodiment
Arrive shown in Figure 4 such as Fig. 1, efficient 4 utmost point rotor punchings of the high motor in a kind of 250 centers described in the utility model, described rotor punching is circular hollow structure, is evenly distributed with 40 winding slots that extend internally 1 on the rotor punching external diameter round edge, described rotor punching internal diameter is 90mm, and external diameter is 265mm; Described winding slot 1 is from being comprised of two first straight flanges 11, two hypotenuses 12, two second straight flanges 13, two first horizontal edges 14, dual-side 15 and one second horizontal edge 16 that tilt to both sides successively outside to inside, the degree of depth of winding slot 1 is 48.6mm, the groove width that two first straight flanges 11 form is 1.5mm, the degree of depth of the first straight flange 11 is 1.6mm, and hypotenuse 12 is 30 with the tangential a angle that the rotor punching external diameter forms
0The groove width that two hypotenuses 12 and the second straight flange 13 junctions form is 4.3mm, two first horizontal edges 14 are 7.2mmm with the groove width that side 15 junctions form, and the groove width that dual-side 15 and the second horizontal edge 16 junctions form is 2.5mm, and the distance between the first horizontal edge 14 and the second horizontal edge 16 is 29.5mm.
Be arranged with A keyway 2 and the B keyway 3 that extends internally on the described rotor punching internal diameter disc.Described A keyway 2 is comprised of left straight flange 21, right straight flange 22 and interior hypotenuse 23, and left straight flange 21 degree of depth are 4mm, and right straight flange 22 degree of depth are 5mm, and left straight flange 21 is 10mm with the groove width that right straight flange 22 forms.
Described B keyway 3 is comprised of left straight flange 31, right straight flange 32 and interior straight flange 33, and left straight flange 31 is 5.5mm with the degree of depth of right straight flange 32, and left straight flange 31 is 8mm with the groove width that right straight flange 32 forms.
Claims (5)
1. efficient 4 utmost point rotor punchings of the high motor in center, described rotor punching is circular hollow structure, be evenly distributed with the winding slot (1) that extends internally on the rotor punching external diameter round edge, it is characterized in that: described rotor punching internal diameter is 90mm, and external diameter is 265mm; Described winding slot (1) is from being comprised of two first straight flanges (11), two hypotenuses (12), two second straight flanges (13), two first horizontal edges (14), dual-side (15) and one second horizontal edge (16) that tilt to both sides successively outside to inside, the degree of depth of winding slot (1) is 48.6mm, the groove width that two first straight flanges (11) form is 1.5mm, the degree of depth of the first straight flange (11) is 1.6mm, and hypotenuse (12) is 30 with the tangential a angle that the rotor punching external diameter forms
0Two hypotenuses (12) are 4.3mm with the groove width that the second straight flange (13) junction forms, two first horizontal edges (14) are 7.2mmm with the groove width that side (15) junction forms, dual-side (15) is 2.5mm with the groove width that the second horizontal edge (16) junction forms, and the distance between the first horizontal edge (14) and the second horizontal edge (16) is 29.5mm.
2. rotor punching according to claim 1, it is characterized in that: described winding slot (1) quantity is 40.
3. rotor punching according to claim 1 is characterized in that: be arranged with the A keyway (2) and the B keyway (3) that extend internally on the described rotor punching internal diameter disc.
4. rotor punching according to claim 3, it is characterized in that: described A keyway (2) is comprised of left straight flange (21), right straight flange (22) and interior hypotenuse (23), left straight flange (21) degree of depth is 4mm, right straight flange (22) degree of depth is 5mm, and left straight flange (21) is 10mm with the groove width that right straight flange (22) forms.
5. rotor punching according to claim 3, it is characterized in that: described B keyway (3) is comprised of left straight flange (31), right straight flange (32) and interior straight flange (33), left straight flange (31) is 5.5mm with the degree of depth of right straight flange (32), and left straight flange (31) is 8mm with the groove width that right straight flange (32) forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320265748 CN203261207U (en) | 2013-08-29 | 2013-08-29 | Highly-efficient 4-pole rotor sheet of motor of 250 center height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320265748 CN203261207U (en) | 2013-08-29 | 2013-08-29 | Highly-efficient 4-pole rotor sheet of motor of 250 center height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203261207U true CN203261207U (en) | 2013-10-30 |
Family
ID=49473745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320265748 Expired - Lifetime CN203261207U (en) | 2013-08-29 | 2013-08-29 | Highly-efficient 4-pole rotor sheet of motor of 250 center height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203261207U (en) |
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2013
- 2013-08-29 CN CN 201320265748 patent/CN203261207U/en not_active Expired - Lifetime
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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 HUAIAN QINGJIANG MOTOR CO., LTD. Effective date: 20140729 Owner name: WOLONG ELECTRIC GROUP CO., LTD. Free format text: FORMER OWNER: WOLONG ELECTRIC HUAIAN QINGJIANG MOTOR CO., LTD. Effective date: 20140729 |
|
| 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: 20140729 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. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20131030 |
|
| CX01 | Expiry of patent term |