CN201178338Y - Stator lamination of generator - Google Patents
Stator lamination of generator Download PDFInfo
- Publication number
- CN201178338Y CN201178338Y CNU2008200976377U CN200820097637U CN201178338Y CN 201178338 Y CN201178338 Y CN 201178338Y CN U2008200976377 U CNU2008200976377 U CN U2008200976377U CN 200820097637 U CN200820097637 U CN 200820097637U CN 201178338 Y CN201178338 Y CN 201178338Y
- Authority
- CN
- China
- Prior art keywords
- punching sheet
- stator punching
- generator
- line
- line embedding
- 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.)
- Expired - Lifetime
Links
- 238000003475 lamination Methods 0.000 title 1
- 238000004080 punching Methods 0.000 claims abstract description 70
- 230000007704 transition Effects 0.000 claims abstract description 24
- 238000009423 ventilation Methods 0.000 claims abstract description 18
- 238000004804 winding Methods 0.000 claims abstract description 14
- 229910000976 Electrical steel Inorganic materials 0.000 abstract description 19
- 230000004907 flux Effects 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009827 uniform distribution Methods 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000027950 fever generation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a generator stator punching sheet, which is provided with a punching sheet body. The outer contour of the punching sheet body is formed by alternately connecting four straight line sections and four concentric arc sections. The extension lines of the four straight line sections form a rectangle. An inner round hole is arranged in the center of the punching sheet body. The coil inserting arc sections and the transition arc sections are alternately arranged at the periphery of the inner round hold, and a coil inserting slot is uniformly arranged on the coil inserting arc sections for holding a motor winding. The generator stator punching is characterized in that the center line of the transition arc sections forms an included angle of Alpha with the extension lines of the rectangular punching sheet body straight line sections, the ventilation slots are uniformly distributed on the transition arc sections, and the area of the ventilation slots is smaller than that of the coil inserting slot. The generator stator punching sheet has the beneficial effects of increased the yoke part width of straight edge part of the stator punching sheet body, promoted the uniform distribution of the magnetic flux density on silicon steel sheet, reduced the reactive power consumption of the generator, and improved heat dissipating effect of the generator by arranging a ventilation slot in the internal ring of punching sheet body, thereby improving the work efficiency of the generator.
Description
Technical field
The utility model belongs to technical field of motors, specifically, relates to a kind of generator stator punching sheet.
Background technology
In the prior art, the stator punching of generator adopts silicon steel sheet to make, the outline of punching body alternately is connected to form by four straightways and four concentric circles segmental arcs, and four the extended line of straightway forms rectangle, the central authorities of punching body have interior circular hole, rule arc section and transition circle segmental arc have been alternately distributed around this interior circular hole, on described rule arc section, evenly be placed with the line embedding groove that is used to settle motor windings, the notch of described line embedding groove is a semi-closed port, in line embedding groove around generator main winding and auxiliary winding, the magnetic line of force that winding produces passes through from silicon steel sheet, forms magnetic loop.And in the punching body: the yoke portion width of rectangle outline straight portion is much smaller than the width of its foursquare arc part, the magnetic flux density that causes the former is much larger than the latter, both influenced the power output of motor, influence motor properties again, simultaneously, magnetic flux distribution on the silicon steel sheet is inhomogeneous, and the straight portion caloric value that its yoke portion width is little is bigger, influences the overall performance of motor.
The shortcoming of existing stator punching is: the width difference of the yoke portion width of stator punching body straight portion and its foursquare arc part is big, magnetic flux distribution on the silicon steel sheet is inhomogeneous, local pyrexia is bigger, has increased the idle energy consumption of generator, has reduced the generating efficiency of motor.
The utility model content
At the problem that prior art exists, the purpose of this utility model is to provide a kind of generator stator punching sheet, can increase the yoke portion width of stator punching body straight portion, promotes that the magnetic flux density on the silicon steel sheet evenly distributes, and reduces the idle energy consumption of motor.
For achieving the above object, the technical solution of the utility model is as follows: a kind of generator stator punching sheet, be provided with the punching body, the outline of punching body alternately is connected to form by four straightways and four concentric circles segmental arcs, and four the extended line of straightway forms rectangle, the central authorities of punching body have interior circular hole, rule arc section and transition circle segmental arc have been alternately distributed around this interior circular hole, on described rule arc section, evenly be placed with the line embedding groove that is used to settle motor windings, the notch of described line embedding groove is a semi-closed port, it is characterized in that: the angle of the center line of described transition circle segmental arc and rectangle punching body straightway extended line is α, 90 °＞α＞0 °, be evenly distributed with ventilation slot on the described transition circle segmental arc, the area of described ventilation slot is less than described line embedding groove area.
The transition circle segmental arc is set on the punching body, cancels its line embedding groove, increased the silicon steel sheet width, the magnetic flux density that helps on the silicon steel sheet evenly distributes, and reduces the idle energy consumption of motor.Simultaneously,, design different angle α, be convenient to the assembly and checkout of product at the stator punching of different model.The area of ventilation slot also is in order to guarantee the width of silicon steel sheet less than the line embedding groove area.
The interior circular hole of described punching body has been alternately distributed two road rule arc sections and two road transition circle segmental arcs, wherein evenly is placed with 10～18 described line embedding grooves on the per pass rule arc section, and the length of per pass transition circle segmental arc is that 1～6 line embedding groove groove position is long.
In guaranteeing line embedding groove, on the basis of the quantity of winding coil, increase the length of transition circle segmental arc as far as possible, also just increased the width of silicon steel sheet, be more conducive to the magnetic line of force and pass through.Yoke portion magnetic circuit is widened, and promptly increases the effective volume of magnetic circuit, reduces magnetic flux density, has increased the thermal capacity of silicon steel sheet again.
The line embedding groove area at described rule arc section two ends is less than the area of other line embedding grooves.But the big I of its notch is consistent.
The line embedding groove at rule arc section two ends is used for the auxiliary winding of coiling, other line embedding groove coiling main windings.
Described ventilation slot is semi-circular groove or rectangular channel.Ventilation slot notch size design and line embedding groove notch equal and opposite in direction can be easy in stator punching stack assembling and positioning.
By ventilation slot, be convenient to the inside and outside circulation of air of stator, reduce the stator and rotor temperature rise.
Pair of straight line segment on the outline of described punching body greater than another to straightway.
According to the difference of motor model, select for use corresponding silicon steel sheet as stator punching, also can adopt square stator punching.Four straightways equate on the outline of described punching body.Article four, the extended line of straightway forms square.
Beneficial effect: a kind of generator stator punching sheet is provided, can increase the yoke portion width of stator punching body straight portion, promote the magnetic flux density on the silicon steel sheet evenly to distribute, reduce the idle energy consumption of motor, and ring is offered ventilation slot in the punching body, increase the radiating effect of generator, thereby helped improving the operating efficiency of generator.Under the situation of generator volume, parameter constant, the nominal operation temperature of stator punching has reduced by 30～40K, and the mechanical efficiency of generator has improved more than 5%.
Description of drawings
Fig. 1 is the structural representation of rectangle stator punching;
Fig. 2 is the structural representation of square stator punching.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, a kind of generator stator punching sheet, be provided with punching body 1, the outline of punching body 1 alternately is connected to form by four straightways and four concentric circles segmental arcs, and four the extended line of straightway forms rectangle, the central authorities of punching body 1 have interior circular hole, rule arc section and transition circle segmental arc have been alternately distributed around this interior circular hole, on described rule arc section, evenly be placed with the line embedding groove 2 that is used to settle motor windings, the notch of described line embedding groove 2 is a semi-closed port, it is characterized in that: the angle of the center line of described transition circle segmental arc and rectangle punching body 1 straightway extended line is α, 90 °＞α＞0 °, be evenly distributed with ventilation slot 3 on the described transition circle segmental arc, the area of described ventilation slot 3 is less than described line embedding groove 2 areas.
α equals 5 ° or 10 ° or 20 ° or 25 ° or 45 ° or 60 °.
The transition circle segmental arc is set on the punching body, cancels its line embedding groove 2, increased the silicon steel sheet width, the magnetic flux density that helps on the silicon steel sheet evenly distributes, and reduces the idle energy consumption of motor.Simultaneously,, design different angle α, be convenient to the assembly and checkout of product at the stator punching of different model.The area of ventilation slot 3 also is in order to guarantee the width of silicon steel sheet less than line embedding groove 2 areas.
The interior circular hole of described punching body 1 has been alternately distributed two road rule arc sections and two road transition circle segmental arcs, wherein evenly is placed with 10～18 described line embedding grooves 2 on the per pass rule arc section, and the length of per pass transition circle segmental arc is that 1～6 line embedding groove, 2 groove positions are long.
The length that is placed with 14 line embedding grooves, 2, two road rule arc sections on the two road rule arc sections respectively all is that 4 line embedding grooves, 2 groove positions are long.
In guaranteeing line embedding groove 2, on the basis of winding coil quantity, increase the length of transition circle segmental arc as far as possible, also just increased the width of silicon steel sheet, be more conducive to the magnetic line of force and pass through.
The line embedding groove area at described rule arc section two ends is less than the area of other line embedding grooves.But the big I of its notch is consistent.
The line embedding groove 2 at rule arc section two ends is used for the auxiliary winding of coiling, other line embedding groove 2 coiling main windings.
Described ventilation slot 3 is semi-circular groove or rectangular channel.
By ventilation slot 3, be convenient to the inside and outside circulation of air of stator, reduce stator temperature.
According to the difference of motor model, select for use corresponding silicon steel sheet as stator punching, also can adopt square stator punching.The extended line of four straightways forms square on the outline of described punching body 1.
The outline of punching body 1 is evenly distributed with the welding breach along circumference, and the middle part of this breach is provided with semicircle bonding pad 4.Can be by bonding pad so that stator core is formed in a plurality of stator punching stack welding.
Pair of straight line segment on the outline of described punching body 1 greater than another to straightway.
As shown in Figure 2,, select for use corresponding silicon steel sheet, also can adopt square stator punching as stator punching according to the difference of motor model.Four straightways equate on the outline of described punching body 1.Article four, the extended line of straightway forms square.The peripheral angle of the center line of its transition circle segmental arc and square punching body 1 is α, 90 °＞α＞0 °.
α can be set to 5 ° or 10 ° or 20 ° or 25 ° or 45 ° etc.
The length that is placed with 15 line embedding grooves, 2, two road rule arc sections on the square stator punching two road rule arc sections respectively all is that 3 line embedding grooves, 2 groove positions are long.
Claims (6)
1, a kind of generator stator punching sheet, be provided with punching body (1), the outline of punching body (1) alternately is connected to form by four straightways and four concentric circles segmental arcs, and four the extended line of straightway forms rectangle, the central authorities of punching body (1) have interior circular hole, rule arc section and transition circle segmental arc have been alternately distributed around this interior circular hole, on described rule arc section, evenly be placed with the line embedding groove (2) that is used to settle motor windings, the notch of described line embedding groove (2) is a semi-closed port, it is characterized in that: the angle of the center line of described transition circle segmental arc and rectangle punching body (1) straightway extended line is α, 90 °＞α＞0 °, be evenly distributed with ventilation slot (3) on the described transition circle segmental arc, the area of described ventilation slot (3) is less than described line embedding groove (2) area.
2, according to the described generator stator punching sheet of claim 1, it is characterized in that: the interior circular hole of described punching body (1) has been alternately distributed two road rule arc sections and two road transition circle segmental arcs, wherein evenly be placed with 10～18 described line embedding grooves (2) on the per pass rule arc section, the length of per pass transition circle segmental arc is that 1～6 line embedding groove (2) groove position is long.
3, according to claim 1 or 2 described generator stator punching sheets, it is characterized in that: the line embedding groove area at described rule arc section two ends is less than the area of other line embedding grooves.
4, according to the described generator stator punching sheet of claim 1, it is characterized in that: described ventilation slot (3) is semi-circular groove or rectangular channel.
5, according to the described generator stator punching sheet of claim 1, it is characterized in that: the pair of straight line segment on the outline of described punching body (1) greater than another to straightway.
6, according to the described generator stator punching sheet of claim 1, it is characterized in that: four straightways equate on the outline of described punching body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200976377U CN201178338Y (en) | 2008-02-04 | 2008-02-04 | Stator lamination of generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200976377U CN201178338Y (en) | 2008-02-04 | 2008-02-04 | Stator lamination of generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201178338Y true CN201178338Y (en) | 2009-01-07 |
Family
ID=40218360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200976377U Expired - Lifetime CN201178338Y (en) | 2008-02-04 | 2008-02-04 | Stator lamination of generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201178338Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710763B (en) * | 2009-12-14 | 2011-09-21 | 陕西航空电气有限责任公司 | Method for puncturing iron core by motor wire-insertion preventing winding |
-
2008
- 2008-02-04 CN CNU2008200976377U patent/CN201178338Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710763B (en) * | 2009-12-14 | 2011-09-21 | 陕西航空电气有限责任公司 | Method for puncturing iron core by motor wire-insertion preventing winding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201515299U (en) | single-phase asynchronous motor | |
| CN202513786U (en) | Stator core of motor | |
| CN203537176U (en) | High-performance compact water cooling system for disk type motor | |
| CN102891555A (en) | Dual-purpose three-phase permanent magnet synchronous motor rotor structure for power frequency and frequency conversion control | |
| CN109474101A (en) | Radial flux coreless winding, preparation process and permanent magnet motor with the same | |
| CN107196474A (en) | A kind of five phase disc type amorphous magnetoes | |
| CN204349603U (en) | Generator stator punching sheet | |
| CN202918080U (en) | Dual-purpose three-phase permanent magnet synchronous motor rotor structure for power frequency and frequency conversion control | |
| CN201178338Y (en) | Stator lamination of generator | |
| CN201584833U (en) | Rotor structure of permanent magnet synchronous motor with non-uniform distributed rotor conductors | |
| CN201113581Y (en) | Dipolar single-phase alternator stator stamping possessing ventilation slot | |
| WO2021003586A1 (en) | Flat multi-layer coil stator for disk motor | |
| CN202651911U (en) | Stator punching sheet of compressor motor | |
| CN2894035Y (en) | Two-pole single-phase power generator, motor stator lamination | |
| CN211151637U (en) | Novel motor stator | |
| CN203674939U (en) | Superhigh-efficiency permanent magnet motor | |
| CN201781376U (en) | Water-cooled permanent magnet synchronous brushless direct current (DC) motor | |
| CN201717689U (en) | Novel rotor sheet of 168 business machine electric generator | |
| CN207353937U (en) | A kind of highly effective permanent-magnet motor rotor core | |
| CN220964435U (en) | 5-9KW small synchronous generator motor rotor punching sheet | |
| CN202282666U (en) | Stator coil structure having segmental slot wedges | |
| CN110460217A (en) | Iron core structure of new fault-tolerant dual-stator asynchronous starter permanent magnet synchronous motor | |
| CN219247548U (en) | Stator punching sheet, stator core and motor | |
| CN202872593U (en) | Three-phase induction asynchronous motor | |
| CN202651906U (en) | Structure-improved compressor motor stator punching sheet |
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: SENCI ELECTROMECHANICAL CO., LTD. Free format text: FORMER OWNER: AI CHUN Effective date: 20130603 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 400700 BEIPEI, CHONGQING TO: 400709 BEIPEI, CHONGQING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130603 Address after: 400709 Chongqing city town Beibei District Tong Xing Road No. 200 Patentee after: Chongqing Senci Electric Machinery Co., Ltd. Address before: 400700 Chongqing city Beibei District of Tianshengqiao No. 80 Fort saponin Patentee before: Ai Chun |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090107 |