CN102948039A - Core for dynamo-electric machine, and dynamo-electric machine - Google Patents
Core for dynamo-electric machine, and dynamo-electric machine Download PDFInfo
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- CN102948039A CN102948039A CN2011800275329A CN201180027532A CN102948039A CN 102948039 A CN102948039 A CN 102948039A CN 2011800275329 A CN2011800275329 A CN 2011800275329A CN 201180027532 A CN201180027532 A CN 201180027532A CN 102948039 A CN102948039 A CN 102948039A
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- lamination
- iron core
- electric rotating
- rotating machine
- strip parts
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- 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
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Provided are a high-performance core for a dynamo-electric machine, and a dynamo-electric machine. A core (1) for a dynamo-electric machine, formed by stacking core pieces (3), wherein the ends (3a) of each of the core pieces (3) are connected to each other by connection members (5) to form the core (1) in an annular shape. The connection members (5) are each provided with an elongated long section, and also with substantially circular engagement sections which are formed at opposite ends of the long section so as to be located at positions offset in one direction from the longitudinal axis of the long section and which engage with cutout holes formed in the core pieces (3).
Description
Technical field
The present invention relates to the iron core of electric rotating machine and electric rotating machine etc.
Background technology
In the past, known such structure: the stacked realization of tabular lamination that Punching Technology becomes is integrated, and the end is connected to each other, form thus ring-type (with reference to patent documentation 1).Such structure can realize the raising of magnetic property, rigidity and mechanical precision.
The prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2000-201458 communique
Summary of the invention
The problem that invention will solve
, in recent years, along with the High Level of market demands, require iron core and the electric rotating machine of more high performance electric rotating machine.
Therefore, the object of the present invention is to provide a kind of iron core and electric rotating machine of high performance electric rotating machine.
Be used for solving the means of problem
In order to address the above problem, according to a viewpoint of the present invention, adopt the iron core of such electric rotating machine, it forms by stacked a plurality of laminations, it is characterized in that, each end of described lamination is bonded each other the parts binding and constitutes ring-type, and described connecting member possesses: the strip parts of strip; With the holding section of circular, its both sides in described strip parts are formed at the position from the length direction of this strip parts to a direction skew, and described holding section engages with the incision hole that is formed at described lamination.
The invention effect
According to the present invention, can obtain iron core and the electric rotating machine of the high performance electric rotating machine of revolving property excellence.
Description of drawings
Fig. 1 is the stereogram of iron core.
Fig. 2 is the stereogram of iron core.
Fig. 3 is the vertical view of other lamination.
Fig. 4 is the vertical view of electromagnetic steel plate.
Fig. 5 is the vertical view of iron core.
Fig. 6 is the local amplification plan view of lamination.
Fig. 7 is the vertical view of lamination.
Fig. 8 is the vertical view of iron core.
Fig. 9 is the local amplification plan view of iron core.
Figure 10 is the local amplification plan view of iron core.
Figure 11 is the axial cutaway view of electric rotating machine.
Embodiment
Below, with reference to accompanying drawing embodiments of the present invention are described.And, by the label identical to identical structure tag, come that suitably the repetitive description thereof will be omitted.
The＜the 1 execution mode＞
Referring to figs. 1 through Figure 11, the iron core of the electric rotating machine of the 1st execution mode of the present invention and the structure of electric rotating machine are described.Fig. 1, Fig. 2 are the stereograms of iron core, Fig. 3, Fig. 4 are the vertical views of iron core, Fig. 5 is the vertical view of lamination, Fig. 6 is the local amplification plan view of lamination, Fig. 7 is the vertical view of other lamination, Fig. 8 is the vertical view of electromagnetic steel plate, and Fig. 9, Figure 10 are the local amplification plan views of iron core, and Figure 11 is the axial cutaway view of electric rotating machine.
As shown in Figure 1, the electric rotating machine 20(of present embodiment is with reference to Figure 11) iron core 1 to be a plurality of laminations 3 that will be formed by electromagnetic steel plate stacked and form along the thickness direction of lamination 3 (electric rotating machine 20 axially), axially overlook observation from electric rotating machine 20, described iron core 1 constitutes bag ferrous center plate 7(with reference to Fig. 3), described iron core plate 7 interlinks with connecting member 5 each other by the end 3a separately with lamination 3 and constitutes ring-type.
At the thickness direction of stacked lamination 3, lamination 3 is each other by means of the installation that is fixed of the caulking part (not shown) as the interlayer joint unit, and described caulking part as the interlayer joint unit adopts the partly die-cut projection that is formed by die cutting die.In addition, as the interlayer joint unit, also can adopt binding agent etc.
In addition, as shown in Figure 2, in iron core 1, with respect to the iron core plate 7 stacked a plurality of other laminations 4 that are under the cutting state, and utilize the caulking part (not shown) as the interlayer joint unit to be fixed installation, described caulking part as the interlayer joint unit adopts the half die-cut projection that is formed by die cutting die, and thus, it is integrated that other lamination 4 is realized in the form of a ring.And, as the interlayer joint unit, also can adopt binding agent etc.
Fig. 4 is the vertical view of other lamination 4, and iron core plate 7 is riveted and be fixedly installed in to described other lamination 4 by caulking part, and be configured to ring-type.The part that a plurality of other laminations 4 do not link with the unit that directly a plurality of laminations is linked up mutually as connecting member 5, a plurality of other laminations 4 are via the indirectly mutually binding of integrated iron core plate 7.Thus, the quantity of connecting member 5 can be reduced, the iron core 1 of the high performance electric rotating machine 20 of revolving property excellence can be obtained with cheap structure.
In addition, in Fig. 2, the block 4B alternate configurations that the block 3B that stacked many laminations 3 form and stacked many other laminations 4 form.Thus, can keep more reliably other lamination 4.
And the stacked thickness T 3 of block 3B is less than the stacked thickness T 4 of block 4B.Thus, owing to can reduce the amount of the block 3B that possesses connecting member 5, therefore, can keep more reliably other lamination 4 with less expensive structure.Consequently, can obtain with less expensive structure the iron core 1 of the high performance electric rotating machine 20 of revolving property excellence.
And, although the size of the stacked thickness T 4 of stacked thickness T 3 that can Set arbitrarily block 3B and block 4B if make the stacked thickness T 3 of block 3B larger than the stacked thickness T 4 of block 4B, then can more effectively keep other lamination 4.
Next, with reference to Fig. 5, Fig. 6 the details of lamination 3 and connecting member 5 is described.Lamination 3 is roughly T word shapes of the good symmetric shape of balance, and the end 3a separately of the 3b of yoke section links mutually by connecting member 5 each other.The 3c of tooth section stretches out from interior all sides (side) of the central portion of the 3b of yoke section, is provided with groove of the notch 3d at the outer circumferential side (opposite side) of the central portion of the 3b of yoke section.In the both sides of the 3b of yoke section and at the outer circumferential side of each end 3a, be formed with respectively be used to the incorporating section 3e that takes in connecting member 5.
Connecting member 5 is the good symmetric shape of balance, and possesses: the strip parts 5a of strip; With the holding section 5b that amounts to 2 circular, be formed with respectively a described holding section 5b in the position from the length direction of strip parts 5a to a direction (inside all sides among Fig. 6) skew of the both sides of strip parts 5a.Holding section 5b is sticked in incision hole 3f, and described incision hole 3f is formed at the outer circumferential side of end 3a in described lamination 3, and in the surface of lamination 3, holding section 5b can rotate in incision hole 3f.Holding section 5b becomes in face direction and is difficult to the shape of throwing off from incision hole 3f.And, form the shape of surrounding holding section 5b with larger zone by making incision hole 3f, can also make 5b direction in face in holding section more be difficult to throw off from incision hole 3f.
Circular by holding section 5b being rotated, make the structure (with reference to Fig. 5) that end 3a is linked mutually by connecting member 5 to bend in incision hole 3f, thus mechanical strength higher circular iron core plate 7 and iron core 1 can be formed.In addition, owing to iron core plate 7 and iron core 1 are connected to mutually circular, therefore guarantee easily the internal diameter circularity of iron core 1 etc.
And in circular iron core plate 7, strip parts 5a is incorporated in incorporating section 3e, and the periphery 5c of the periphery 3g of lamination 3 and strip parts 5a roughly is positioned on the same circumference.Thus, magnetic circuit links to each other swimmingly and can not be cut off, thereby can improve magnetic characteristic.
Next, with reference to Fig. 7 lamination 4 is described.The lamination 4 that is formed by electromagnetic steel plate is the shape roughly the same with lamination 3, but the shape of end 4a is different.Lamination 4 is the good symmetric shape of balance, and is T word shape roughly, and the 4c of tooth section stretches out from interior all sides (side) of the central portion of the 4b of yoke section, is provided with groove of the notch 4d at the outer circumferential side (opposite side) of the central portion of the 4b of yoke section.Do not form incorporating section 3e and incision hole 3f at lamination 4.If lamination 4 is configured to circular (with reference to Fig. 4), then the periphery 4g of lamination 4 roughly is positioned on the same circumference.
Next, with reference to Fig. 8 to lamination 3,4 and the manufacture method of connecting member 5 describe.Punch out lamination 3,4 and connecting member 5 by the electromagnetic steel plate W of band shape.Electromagnetic steel plate W utilizes sprocket hole Wa to be carried by not shown supply unit.About connecting member 5, the state use that is sticked in incision hole 3f with holding section 5b can realize that the die cutting die of optionally die-cut action carries out die-cut from electromagnetic steel plate W, then oppositely die-cut (order I Reversal The), with described connecting member 5 can not remain in gently in the incision hole 3f of lamination 3 from the degree that lamination 3 breaks away from.With the alternately configuration of length direction at electromagnetic steel plate W of lamination 3,4 separately the 3c of tooth section, 4c, to improve the rate of finished products of material.About lamination 3,4, undertaken die-cut by the die cutting die with two kinds of shapes corresponding with shape separately.
Next, utilize the mode of connection of the terminal part 3E of Fig. 9,10 pairs of laminations 3 to describe.Terminal part 3E links by the hook 6 with connecting member 5 roughly the same shapes each other.Hook 6 possesses: the strip parts 6a of strip; With the holding section 6b, the 6d that amount to 2 circular, be formed with respectively a described holding section in the position from the length direction of strip parts 6a to a direction (inside all sides among Fig. 9, Figure 10) skew of the both sides of strip parts 6a.
And, hook 6 is sticked under the state of incision hole 3f, 3h, strip parts 6a is incorporated in incorporating section 3e, and the periphery 6c of the periphery 3g of lamination 3 and strip parts 6a roughly is positioned on the same circumference.Thus, magnetic circuit links to each other swimmingly and can not be cut off, and therefore can improve magnetic characteristic.
Next, utilize Figure 11 that the electric rotating machine of the 1st execution mode of the present invention is described.Electric rotating machine 20 possesses: the rotor 30 of rotation take axis G as pivot; With the stator 40 that makes rotor 30 rotations.Rotor 30 possesses axle 31 and a plurality of magnet 32.In addition, stator 40 possesses coil 41 and framework cylindraceous 42.
In this electric rotating machine 20, rotor 30 or stator 40 uses by above-mentioned lamination 3,4 and the iron core 1 that consists of such as connecting member 5 and forming.Therefore, this electric rotating machine 20 high performance electric rotating machine that is having excellent magnetic properties.
As described above, iron core 1 and electric rotating machine 20 about the electric rotating machine of embodiments of the present invention, each the end 3a that is used for the lamination 3 of the iron core 1 of described electric rotating machine and electric rotating machine 20 is bonded each other parts 5 and links and constitute ring-type, connecting member 5 has the strip parts 5a of strip and the holding section 5b of circular, described holding section 5b is formed at the position from the length direction of strip parts 5a to a direction skew in the both sides of strip parts 5a, and described holding section 5b engages with the incision hole 3a that is formed at lamination 3, therefore, can form the higher iron core of mechanical strength 1, and, be easy to internal diameter circularity of guaranteeing iron core 1 etc.Therefore, the iron core of the electric rotating machine of embodiments of the present invention and electric rotating machine have and can improve the bad such effect of slot effect.That is, can obtain the iron core of the high performance electric rotating machine of revolving property excellence.
In addition, be formed be used to the incorporating section 3e that takes in strip parts 5a at the periphery both ends of lamination 3 3a, in the lamination 3 that is linked by connecting member 5, the periphery 5c of the periphery 3g of lamination 3 and strip parts 5a roughly is positioned on the same circumference, therefore, magnetic circuit links to each other swimmingly and can not be cut off, thereby also has the such effect of the magnetic characteristic of raising.
In addition, with respect to the lamination 3 that is linked by connecting member 5, stacked and fixed installation is in a plurality of other lamination 4 of the state of cutting apart, make thus other lamination 4 integrated, therefore, the quantity of connecting member 5 can be reduced, thereby the iron core of the high performance electric rotating machine of revolving property excellence can be obtained with cheap structure.
More than, embodiments of the present invention are illustrated.But, if so-called those skilled in the art then can suitably change according to above-mentioned execution mode in the scope that does not break away from aim of the present invention, in addition, also the method for above-mentioned execution mode and modification can be carried out appropriate combination and be used.That is, even implemented the technology of such change etc., also certainly be included in the technical scope of the present invention.
For example, no matter be lamination 3 to be formed carry out after circular stacked, or form after lamination 3 is stacked circularly, adopt which kind of mode all right.
In addition, that it is formed is circular on one side also can on one side lamination 3 be wound into helical form, forms so-called wound core (volume I コ ア).
Label declaration
1: iron core;
3: lamination;
4: other lamination;
5: connecting member;
20: electric rotating machine.
Claims (11)
1. the iron core of an electric rotating machine, it forms by stacked a plurality of laminations,
The iron core of described electric rotating machine is characterised in that,
Each end of described lamination is bonded each other the parts binding and constitutes ring-type,
Described connecting member possesses:
The strip parts of strip; With
The holding section of circular, its both sides in described strip parts are formed at the position from the length direction of this strip parts to a direction skew, and described holding section engages with the incision hole that is formed at described lamination.
2. the iron core of electric rotating machine according to claim 1 is characterized in that,
With respect to the described lamination that is linked by described connecting member, stacked and fixed installation is in a plurality of other lamination of cutting state, makes thus this other lamination integrated.
3. the iron core of electric rotating machine according to claim 1 and 2 is characterized in that,
Be formed be used to the incorporating section of taking in described strip parts at the periphery both ends of described lamination, in described iron core plate, the periphery of described lamination and the periphery of described strip parts roughly are positioned on the same circumference.
4. the iron core of the described electric rotating machine of any one in 3 according to claim 1 is characterized in that,
Described lamination and described connecting member are sticked in described incision hole with described holding section state carries out die-cut and forms from same steel plate.
5. the iron core of the described electric rotating machine of any one in 4 according to claim 1 is characterized in that,
Described lamination, described connecting member and described other lamination carry out die-cut and form from same steel plate.
6. electric rotating machine, it possesses:
Rotor; With
Stator, this stator have used stacked a plurality of lamination and the iron core that forms,
Described electric rotating machine is characterised in that,
Each end of described lamination is bonded each other the parts binding and constitutes ring-type,
Described connecting member possesses:
The strip parts of strip; With
The holding section of circular, its both sides in described strip parts are formed at the position from the length direction of this strip parts to a direction skew, and described holding section engages with the incision hole that is formed at described lamination.
7. the iron core of electric rotating machine according to claim 6 is characterized in that,
With respect to the described lamination that is linked by described connecting member, stacked and fixed installation is in a plurality of other lamination of cutting state, makes thus this other lamination integrated.
8. according to claim 6 or the iron core of 7 described electric rotating machines, it is characterized in that,
Be formed be used to the incorporating section of taking in described strip parts at the periphery both ends of described lamination, in described iron core plate, the periphery of described lamination and the periphery of described strip parts roughly are positioned on the same circumference.
9. electric rotating machine, it possesses:
Rotor, this rotor have used stacked a plurality of lamination and the iron core that forms; With
Stator,
Described electric rotating machine is characterised in that,
Each end of described lamination is bonded each other the parts binding and constitutes ring-type,
Described connecting member possesses:
The strip parts of strip; With
The holding section of circular, its both sides in described strip parts are formed at the position from the length direction of this strip parts to a direction skew, and described holding section engages with the incision hole that is formed at described lamination.
10. the iron core of electric rotating machine according to claim 9 is characterized in that,
With respect to the described lamination that is linked by described connecting member, stacked and fixed installation is in a plurality of other lamination of cutting state, makes thus this other lamination integrated.
11. according to claim 9 or the iron core of 10 described electric rotating machines, it is characterized in that,
Be formed be used to the incorporating section of taking in described strip parts at the periphery both ends of described lamination, in described iron core plate, the periphery of described lamination and the periphery of described strip parts roughly are positioned on the same circumference.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-128566 | 2010-06-04 | ||
| JP2010128566 | 2010-06-04 | ||
| PCT/JP2011/050159 WO2011152074A1 (en) | 2010-06-04 | 2011-01-07 | Core for dynamo-electric machine, and dynamo-electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102948039A true CN102948039A (en) | 2013-02-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011800275329A Pending CN102948039A (en) | 2010-06-04 | 2011-01-07 | Core for dynamo-electric machine, and dynamo-electric machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPWO2011152074A1 (en) |
| CN (1) | CN102948039A (en) |
| WO (1) | WO2011152074A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI620398B (en) * | 2016-04-26 | 2018-04-01 | 三菱電機股份有限公司 | Stator, electric motor, method for making a stator, and method for making an electric motor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9343930B2 (en) * | 2012-05-25 | 2016-05-17 | Baldor Electric Company | Segmented stator assembly |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001045684A (en) * | 1999-07-30 | 2001-02-16 | Hitachi Ltd | Manufacturing method of electric motor stator core |
| CN201134702Y (en) * | 2007-12-29 | 2008-10-15 | 慈溪市鸿达电机模具制造中心 | Stator iron core of coiling type |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002136002A (en) * | 2000-10-20 | 2002-05-10 | Matsushita Electric Ind Co Ltd | Motor |
| JP3786854B2 (en) * | 2001-08-30 | 2006-06-14 | 株式会社三井ハイテック | Manufacturing method of laminated iron core |
| JP5215737B2 (en) * | 2008-06-04 | 2013-06-19 | アスモ株式会社 | Insulator, stator and stator manufacturing method |
-
2011
- 2011-01-07 JP JP2012518265A patent/JPWO2011152074A1/en active Pending
- 2011-01-07 CN CN2011800275329A patent/CN102948039A/en active Pending
- 2011-01-07 WO PCT/JP2011/050159 patent/WO2011152074A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001045684A (en) * | 1999-07-30 | 2001-02-16 | Hitachi Ltd | Manufacturing method of electric motor stator core |
| CN201134702Y (en) * | 2007-12-29 | 2008-10-15 | 慈溪市鸿达电机模具制造中心 | Stator iron core of coiling type |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI620398B (en) * | 2016-04-26 | 2018-04-01 | 三菱電機股份有限公司 | Stator, electric motor, method for making a stator, and method for making an electric motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2011152074A1 (en) | 2013-07-25 |
| WO2011152074A1 (en) | 2011-12-08 |
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Application publication date: 20130227 |