CN106849406A - A kind of highly effective low noise stator punching - Google Patents
A kind of highly effective low noise stator punching Download PDFInfo
- Publication number
- CN106849406A CN106849406A CN201710153597.7A CN201710153597A CN106849406A CN 106849406 A CN106849406 A CN 106849406A CN 201710153597 A CN201710153597 A CN 201710153597A CN 106849406 A CN106849406 A CN 106849406A
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- CN
- China
- Prior art keywords
- tooth
- inner ring
- low noise
- coiling
- highly effective
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004080 punching Methods 0.000 title claims abstract description 46
- 238000004804 winding Methods 0.000 claims abstract description 14
- 238000005452 bending Methods 0.000 claims abstract description 4
- 230000003467 diminishing effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000005426 magnetic field effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- 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
- H02K1/165—Shape, form or location of the slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention relates to motor for washer field, and in particular to a kind of highly effective low noise stator punching, including：The outer shroud on the outside of inner ring and punching on the inside of punching；Inner ring includes uniform some coiling teeth and the winding slot being arranged between adjacent coiling tooth on circumference；Coiling tooth includes, around post and tooth head, the symmetry axis of coiling tooth passes through interior ring center, tooth head is provided with eccentric arc towards the side of interior ring center, eccentric arc is with the symmetrical axial symmetry of coiling tooth, ring center is radius, radius Rs of the inradius r less than eccentric arc apart from r to eccentric arc midpoint within the inner ring inscribed circle of inner ring；Winding slot is axially symmetric structure, including, base, side and notch, side are made up of the side of adjacent coiling tooth, and base is symmetrical broken line, and the bending place of the broken line is wedge angle, and wedge angle inner side is a point magnetic region, and notch both sides are the tooth head of adjacent coiling tooth.
Description
Technical field
The present invention relates to motor for washer field, and in particular to a kind of highly effective low noise stator punching.
Background technology
After motor stator punching overlapping coiling, live wire produces magnetic field to provide the power of rotor rotation, but its magnetic
Field density is influenceed by stator structure, and the efficiency to motor has a great impact.For example, grant number is CN1030708422B
A kind of stator punching of disclosed unidirectional condenser operating type motor, improves electric efficiency.However, the structure punching is in tooth
Portion's magnetic is close and the close still inadequate balance of yoke portion magnetic, and electric efficiency remains unchanged only 50-55%.The stator punching knot that design more optimizes
Structure, is necessary to improve electric efficiency.
The content of the invention
The purpose of the present invention, is in order in solving the problems, such as background technology, there is provided a kind of highly effective low noise stator punching.
Above-mentioned technical purpose of the invention technical scheme is that：
A kind of highly effective low noise stator punching, including：The outer shroud on the outside of inner ring and punching on the inside of punching；
The inner ring includes uniform some coiling teeth and the winding slot being arranged between the adjacent coiling tooth on circumference；
The coiling tooth is axially symmetric structure, including, it is described to constitute a tooth head direction with the tooth head around post around post and tooth head
" T " character form structure of interior ring center, the symmetry axis of the coiling tooth passes through interior ring center, and the tooth head is justified towards the inner ring
The side of the heart is provided with eccentric arc, the eccentric arc with the symmetrical axial symmetry of the coiling tooth, in the inner ring of the inner ring
Connect and justify with the interior ring center to the eccentric arc midpoint apart from r as radius, inradius r is less than the eccentric arc
Radius R；
The winding slot be axially symmetric structure, including, base, side and notch, the side by the adjacent coiling tooth side
Face is constituted, and the base is symmetrical broken line, and the bending place of the broken line is wedge angle, and the wedge angle inner side is a point magnetic region, the groove
Mouth both sides are the tooth head of adjacent coiling tooth；
The outer shroud is square, and locating slot is provided with its four angles, and raised line is provided with the four edges.
In this programme, in the presence of the winding slot of the tooth head with eccentric arc and point magnetic region so that stator punching tooth
Portion's magnetic is close to tend to balance with yoke portion magnetic is close, substantially increases motor whole efficiency.The setting of locating slot so that motor is in assembling
More stablize, the motor noise of reduction.
Preferably, the quantity n of the coiling tooth and winding slot is 6,9 or 12.
Preferably, the wedge angle angle [alpha] is 180-360/n degree, n is the quantity of coiling tooth.
Preferably, the inner ring inradius r meets with the radius R of the eccentric arc：2.7≤R/r≤2.9,
The magnetic that can optimize tooth head region using the ratio is close.
Preferably, the notch sideline is parallel with the symmetry axis of the winding slot, spacing d and the inner ring inscribed circle in sideline
Radius r meets：4.6≤2rsin/d≤4.8, n is the quantity of coiling tooth, and the magnetic between coiling tooth can be optimized using the ratio
It is close.
Preferably, the locating slot is opening to the diminishing trapezoidal recess in punching inner side, the trapezoidal base and waist
Angle be 45 °.
Preferably, being provided with the struck notch of strip between the inner ring and outer rings of the punching, setting struck notch can make
Punching accurate positioning when mutual lamination is obtained, so as to ensure that the stator being made has good magnetic field effect.
Preferably, the struck notch inner side is provided with location hole, to the installation of electronics end cap.
Preferably, skeleton mounting hole is provided between the inner ring and outer rings of the punching, to the installation of motor skeleton
It is fixed.
In sum, beneficial effects of the present invention：
1. a kind of highly effective low noise stator punching of the present invention so that punching teeth portion magnetic is close and yoke portion magnetic is close tends to balance,
Improve electric efficiency to reach, while magnetic groove torque is substantially reduced, reduce due to the motor noise that magnetic groove torque causes.
2. a kind of highly effective low noise stator punching of the present invention, when punching is overlapped, the positioning performance of assembling is good,
Ensure that the stabilization of stator field structure after the completion of assembling.
3. a kind of highly effective low noise stator punching of the present invention, good fixing effect of the punching in motor, facilitate electricity
Machine iron core is installed with end cap, while improving motor installs quality of fit reduction motor noise, skeleton mounting hole（5）Facilitate stator bone
Frame is installed.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is coiling tooth and coiling slot structure schematic diagram in the present invention；
Fig. 3 is the enlarged drawing at Fig. 2A of the present invention.
Specific embodiment
Specific examples below is only explanation of the invention, and it is not limitation of the present invention, art technology
Personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as
All protected by Patent Law in scope of the presently claimed invention.
With embodiment, the present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment 1：
According to Fig. 1~Fig. 3, a kind of highly effective low noise stator punching, including：On the outside of inner ring 1 and punching on the inside of punching
Outer shroud 2；
Inner ring 1 includes uniform some coiling teeth 11 and the winding slot 12 being arranged between adjacent coiling tooth 11 on circumference, this
In embodiment, the quantity n of coiling tooth 11 and winding slot 12 is 12.
Coiling tooth 11 is axially symmetric structure, including, around post 111 and tooth first 112, a tooth is constituted around post 111 and tooth first 112
First 112 towards interior ring center 100 " T " character form structure, the symmetry axis of coiling tooth 11 passes through interior ring center 100, first 112 court of tooth
The side of inside ring center 100 is provided with eccentric arc 1121, eccentric arc 1121 with the symmetrical axial symmetry of coiling tooth 11, wherein
It is 13.81cm around the length L of post 111.
Interior ring center 100 is the radius of inner ring inscribed circle 101, eccentric arc apart from r to the midpoint of eccentric arc 1121
1121 radius is R, and wherein r is 35mm, and R is 101.01mm.
Winding slot 12 is axially symmetric structure, including, base 121, side 122 and notch 123, side 122 is by adjacent coiling
The side of tooth 11 is constituted, and base 121 is symmetrical broken line, and the bending place of the broken line is wedge angle 1211, and the angle [alpha] of wedge angle 1211 is
150 °, the inner side of wedge angle 1211 is a point magnetic region 1212, and the both sides of notch 123 are the tooth first 112 of adjacent coiling tooth 11, the sideline of notch 123
Symmetry axis with winding slot 12 is parallel, and the spacing d in sideline is 3.8mm.
According to Fig. 1, outer shroud 2 is square, and locating slot 21 is provided with its four angles, and raised line is provided with four edges
22.Locating slot 21 be opening to the diminishing trapezoidal recess in punching inner side, the trapezoidal base is 45 °, punching with the angle of waist
Inner ring 1 and outer shroud 2 between be provided with the struck notch 3 of strip, the inner side of struck notch 3 is provided with location hole 4, the inner ring 1 of punching
Skeleton mounting hole 5 is provided with and outer shroud 2 between.
Using the stator laminating structure and the motor for washer of size of the present embodiment, in its running, punching teeth portion
Magnetic is close to be tended to balance with yoke portion magnetic is close, and the magnetic flux leakage of reduction, while magnetic groove torque is substantially reduced, is reduced because magnetic groove torque is drawn
The motor noise for rising.Electric motor starting torque improves 15%, and average output torque improves 0.8%, and torque pulsation reduces by 3.5%, and motor is made an uproar
Sound control system reaches more than 70% in below 40db, electric efficiency.
Claims (9)
1. a kind of highly effective low noise stator punching, it is characterised in that including：Inner ring on the inside of punching（1）Outside on the outside of punching
Ring（2）；
The inner ring（1）Including some coiling teeth uniform on circumference（11）And it is arranged on the adjacent coiling tooth（11）Between
Winding slot（12）；
The coiling tooth（11）It is axially symmetric structure, including, around post（111）With tooth head（112）, it is described around post（111）With it is described
Tooth head（112）Constitute a tooth head（112）Towards interior ring center（100）" T " character form structure, the coiling tooth（11）It is right
Axle is claimed to pass through interior ring center（100）, the tooth head（112）Towards the interior ring center（100）Side be provided with eccentric arc
（1121）, the eccentric arc（1121）With the coiling tooth（11）Symmetrical axial symmetry, the inner ring（1）Inner ring inscribed circle
（101）With the interior ring center（100）To the eccentric arc（1121）Midpoint apart from r be radius, inscribed circle（101）Radius
R is less than the eccentric arc（1121）Radius R；
The winding slot（12）It is axially symmetric structure, including, base（121）, side（122）And notch（123）, the side
（122）By the adjacent coiling tooth（11）Side constitute, the base（121）It is symmetrical broken line, the bending place of the broken line
It is wedge angle（1211）, the wedge angle（1211）Inner side is a point magnetic region（1212）, the notch（123）Both sides are adjacent coiling tooth
（11）Tooth head（112）；
The outer shroud（2）It is square, locating slot is provided with its four angles（21）, raised line is provided with the four edges（22）.
2. a kind of highly effective low noise stator punching according to claim 1, it is characterised in that the coiling tooth（11）With around
Wire casing（12）Quantity n be 6,9 or 12.
3. a kind of highly effective low noise stator punching according to claim 2, it is characterised in that the wedge angle（1211）Angle
α is 180-360/n degree, and n is coiling tooth（11）Quantity.
4. a kind of highly effective low noise stator punching according to claim 3, it is characterised in that the inner ring inscribed circle
（101）Radius r and the eccentric arc（1121）Radius R meet：2.7≤R/r≤2.9.
5. a kind of highly effective low noise stator punching according to claim 4, it is characterised in that the notch（123）Sideline
With the winding slot（12）Symmetry axis it is parallel, the spacing d in sideline and inner ring inscribed circle（101）Radius r meets：4.6≤2rsin
（180/n）/ d≤4.8, n is coiling tooth（11）Quantity.
6. a kind of highly effective low noise stator punching according to claim 1, it is characterised in that the locating slot（21）To open
To the diminishing trapezoidal recess in punching inner side, the trapezoidal base is 45 ° with the angle of waist to mouth.
7. a kind of highly effective low noise stator punching according to claim 1, it is characterised in that the inner ring of the punching（1）
And outer shroud（2）Between be provided with the struck notch of strip（3）.
8. a kind of highly effective low noise stator punching according to claim 1, it is characterised in that the struck notch（3）Inner side
It is provided with location hole（4）.
9. a kind of highly effective low noise stator punching according to claim 1, it is characterised in that the inner ring of the punching（1）
And outer shroud（2）Between be provided with skeleton mounting hole（5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710153597.7A CN106849406A (en) | 2017-03-15 | 2017-03-15 | A kind of highly effective low noise stator punching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710153597.7A CN106849406A (en) | 2017-03-15 | 2017-03-15 | A kind of highly effective low noise stator punching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106849406A true CN106849406A (en) | 2017-06-13 |
Family
ID=59144989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710153597.7A Pending CN106849406A (en) | 2017-03-15 | 2017-03-15 | A kind of highly effective low noise stator punching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106849406A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359709A (en) * | 2017-08-28 | 2017-11-17 | 广东美芝制冷设备有限公司 | Stator punching, motor and compressor |
| CN108847728A (en) * | 2018-08-14 | 2018-11-20 | 台邦电机工业集团有限公司 | Brushless high density wound stator punching |
| CN109067027A (en) * | 2018-07-13 | 2018-12-21 | 卧龙电气集团股份有限公司 | A kind of stator punching and stator core and motor with the punching |
| CN110401269A (en) * | 2019-08-12 | 2019-11-01 | 安徽德科电气科技有限公司 | A kind of integrated high pressure generator stator structure |
| CN111614172A (en) * | 2020-06-11 | 2020-09-01 | 浙江时代马电器有限公司 | High Torque Waterproof Motor and Its Stator Punching Sheet Insulation Treatment Process |
| CN112152411A (en) * | 2019-10-16 | 2020-12-29 | 中山悦莱智能科技有限公司 | Three-phase brushless permanent magnet direct current motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201515261U (en) * | 2009-07-13 | 2010-06-23 | 东莞信浓马达有限公司 | Stator core |
| CN102244446A (en) * | 2010-05-11 | 2011-11-16 | 天津市松正电动科技有限公司 | Permanent magnet synchronism motor (PMSM) |
| CN103051135A (en) * | 2011-10-17 | 2013-04-17 | 安徽美芝精密制造有限公司 | Permanent magnet synchronous motor of rotary compressor |
| CN205489836U (en) * | 2016-02-04 | 2016-08-17 | 常州雷利电机科技有限公司 | Stator is towards piece, motor stator and use this motor stator's motor |
| CN106059157A (en) * | 2016-08-01 | 2016-10-26 | 珠海凌达压缩机有限公司 | Stator core, insulating skeleton, stator module, motor and compressor |
| CN206790229U (en) * | 2017-03-15 | 2017-12-22 | 浙江永昌电气股份有限公司 | A kind of highly effective low noise stator punching |
-
2017
- 2017-03-15 CN CN201710153597.7A patent/CN106849406A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201515261U (en) * | 2009-07-13 | 2010-06-23 | 东莞信浓马达有限公司 | Stator core |
| CN102244446A (en) * | 2010-05-11 | 2011-11-16 | 天津市松正电动科技有限公司 | Permanent magnet synchronism motor (PMSM) |
| CN103051135A (en) * | 2011-10-17 | 2013-04-17 | 安徽美芝精密制造有限公司 | Permanent magnet synchronous motor of rotary compressor |
| CN205489836U (en) * | 2016-02-04 | 2016-08-17 | 常州雷利电机科技有限公司 | Stator is towards piece, motor stator and use this motor stator's motor |
| CN106059157A (en) * | 2016-08-01 | 2016-10-26 | 珠海凌达压缩机有限公司 | Stator core, insulating skeleton, stator module, motor and compressor |
| CN206790229U (en) * | 2017-03-15 | 2017-12-22 | 浙江永昌电气股份有限公司 | A kind of highly effective low noise stator punching |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359709A (en) * | 2017-08-28 | 2017-11-17 | 广东美芝制冷设备有限公司 | Stator punching, motor and compressor |
| CN107359709B (en) * | 2017-08-28 | 2023-09-01 | 广东美芝制冷设备有限公司 | Stator punching sheet, motor and compressor |
| CN109067027A (en) * | 2018-07-13 | 2018-12-21 | 卧龙电气集团股份有限公司 | A kind of stator punching and stator core and motor with the punching |
| CN109067027B (en) * | 2018-07-13 | 2024-04-19 | 卧龙电气驱动集团股份有限公司 | Stator punching sheet, stator core with same and motor |
| CN108847728A (en) * | 2018-08-14 | 2018-11-20 | 台邦电机工业集团有限公司 | Brushless high density wound stator punching |
| CN110401269A (en) * | 2019-08-12 | 2019-11-01 | 安徽德科电气科技有限公司 | A kind of integrated high pressure generator stator structure |
| CN112152411A (en) * | 2019-10-16 | 2020-12-29 | 中山悦莱智能科技有限公司 | Three-phase brushless permanent magnet direct current motor |
| CN111614172A (en) * | 2020-06-11 | 2020-09-01 | 浙江时代马电器有限公司 | High Torque Waterproof Motor and Its Stator Punching Sheet Insulation Treatment Process |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |
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| RJ01 | Rejection of invention patent application after publication |