CN105940593A - Electric motor - Google Patents
Electric motor Download PDFInfo
- Publication number
- CN105940593A CN105940593A CN201480074467.9A CN201480074467A CN105940593A CN 105940593 A CN105940593 A CN 105940593A CN 201480074467 A CN201480074467 A CN 201480074467A CN 105940593 A CN105940593 A CN 105940593A
- Authority
- CN
- China
- Prior art keywords
- outer frame
- insulator
- stator core
- winding
- tooth
- 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.)
- Granted
Links
- 239000012212 insulator Substances 0.000 claims abstract description 57
- 238000004804 winding Methods 0.000 claims abstract description 52
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000009413 insulation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
- H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/12—Machines characterised by the bobbins for supporting the windings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
An electric motor is provided with: a stator core formed in a cylindrical shape and having a plurality of teeth arranged at equal intervals in a circumferential direction on an inner circumferential surface; a 1 st and a 2 nd insulators having an outer frame portion extending outward at one end opposite to an inner peripheral surface of the stator core, the 1 st and the 2 nd insulators sandwiching a plurality of teeth from both sides in an axial direction of the stator core, respectively; a winding wound around the 1 st and 2 nd insulators; and a rotor rotatably provided inside the stator core about an axial center of the stator core, wherein the 1 st and 2 nd insulators have overlapping portions in which both end portions of the outer frame portions overlap each other when the plurality of teeth are sandwiched from both sides, and a thick portion having a larger wall thickness than the outer frame portion is provided in front of the overlapping portion of one of the outer frame portions.
Description
Technical field
The present invention relates to that there is the motor making the tooth insulator from winding insulation.
Background technology
In the stator core of the stator of motor, make current flow through in the windings and form magnetic pole
Tooth from annular yoke towards the axle center of rotor extend.Therefore, winding is wound in this tooth
Operation be typically not easy.For this problem, proposed various motion in the past.As wherein it
One, it is proposed that the stator core of the so-called outer rolling of following form: Ground Split stator can be engaged
The tooth of iron core and yoke, be wound in tooth from outside by winding, is embedded into by the tooth having wound winding
Yoke.
In the stator core of such structure, the internal side diameter of tooth is opposed with rotor, outside diameter with
Yoke engages.Therefore, the insulator used when winding is wound in tooth is the axle center in yoke
Split and sandwich with insulator the structure (see, for example patent documentation 1) of tooth on direction by 2.
Patent documentation 1: Japanese Unexamined Patent Publication 2005-12875 publication (summary)
Summary of the invention
On the other hand, about the insulator for being wound around winding, in order to prevent the winding being wound
Winding out of shape, prevent winding come off and improves be wound around winding time workability, insulating
The situation in body with inside casing portion and outer frame is more.But, in the winding of such structure,
When sandwiching tooth with two insulators from the axis direction of yoke, the housing of divided insulator
The end in portion is the most overlapped.Therefore, sometimes due to fraction of foozle or rigging error
Deng, the fitting portion at outer frame produces gap.
In the insulator of such structure, there is following problem: when being wound around winding, winding
The gap produced from the overlapping part at outer frame invades, and cannot normally carry out winding volume
Around.In order to solve this problem, although winding former (winding former) can also be used
Prevent winding from touching the overlapping part of outer frame, but the speed of wrap of winding is slack-off, becomes
Reduce productive reason, it is desirable to improve.
The present invention completes to solve problem as above, its object is to provide one
Plant following motor: when being wound around winding, even if in the generation gap, overlapping portion of outer frame the most not
Winding can be made to invade, it is possible to increase productivity.
The present invention relates to motor, possess: stator core, be formed as drum, in inner circumferential
Mask has in the circumferential according to the multiple teeth arranged at equal intervals；1st and the 2nd insulator,
One end opposed with the inner peripheral surface of stator core has an outer frame extended outward, and the described 1st
And the 2nd insulator sandwich multiple tooth from the both sides of the axis direction of stator core respectively；Winding,
It is wound on the 1st and the 2nd insulator；And rotor, centered by the axle center of stator core,
Rotatably being arranged on the inner side of stator core, wherein, the 1st and the 2nd insulator has
The overlapping portion that the end of the both sides of outer frame is overlapped is included when tooth multiple from sandwich,
The wall thickness ratio of the front of the overlapping portion of some outer frame being provided with in the outer frame of both sides
The heavy section that this outer frame is thick.
According to the present invention, the 1st and the 2nd insulator has the bag when tooth multiple from sandwich
The overlapping portion that the end of the both sides including outer frame is overlapped, is provided with in the outer frame of both sides
The heavy section that the wall thickness of the front of the overlapping portion of some outer frame is thicker than outer frame.By this
Structure, when winding is wound in the 1st and 2 insulator, by being arranged at outside a side
The heavy section in frame portion, winding is wound around with the state costed, so winding will not be from the 1st insulation
The gap of the outer frame of body and the outer frame of the 2nd insulator invade and can normally be wound around around
Group, it is possible to increase productivity.
Accompanying drawing explanation
Fig. 1 is the in-built drawing in side sectional elevation of the motor illustrating embodiment.
Fig. 2 is the axonometric chart of the structure of the stator core illustrating Fig. 1.
Fig. 3 is the axonometric chart pulled down by insulator from tooth and illustrate.
Fig. 4 is the axonometric chart illustrating the state with insulator clamping tooth.
Fig. 5 is the outer frame of the 1st and the 2nd insulator in the motor illustrating embodiment
Axonometric chart.
Fig. 6 is to observe the outer frame of Fig. 5 from A-A direction and the fragmentary cross-sectional view that illustrates.
Fig. 7 is the axonometric chart illustrating conventional outer frame.
Fig. 8 is to observe the outer frame of Fig. 7 from B-B direction and the fragmentary cross-sectional view that illustrates.
Symbol description
1: motor；10: stator；20: rotor；21: drive shaft；22: bearing；30:
Fore-stock；31: after-poppet；40: stator core；41: yoke；41a: mounting groove；42、
One end of 42a: tooth；The other end of 42b: tooth；43: tooth；One end of 43a: tooth；43b:
The other end of tooth；50: winding；60: insulator；71: the 1 insulators；71a:U word
The winder of shape；71b: outer frame；71c: inside casing portion；72: the 2 insulators；72a:
The winder of U-shaped；72b: outer frame；72c: inside casing portion；72d: overlapping portion；72e:
Heavy section；72f: inclined plane；73: the 1 supports；74: the 2 supports；101: the
2 insulators；102: outer frame；102a: overlapping portion；201: the 1 insulators；202: outer
Frame portion；202a: overlapping portion.
Detailed description of the invention
Hereinafter, with reference to the accompanying drawings, the embodiment of the motor of the present invention is explained.It addition,
The invention is not restricted to this embodiment.
Fig. 1 is the in-built drawing in side sectional elevation of the motor illustrating embodiment.
This motor 1 possesses: profile is the stator 10 of drum；Rotor 20, possess with
Drive shaft 21 centered by the axle center of stator 10；Bearing 22, rotatably supports drive shaft
The two ends of 21；And fore-stock 30 and after-poppet 31, storage stator 10 and rotor 20.On
State stator 10 and include that stacking is permitted the stator core 40 of how thin of steel plate, is wound in stator ferrum
The winding 50 of the tooth of core 40 and make the insulator 60 that tooth insulate from winding 50.
Fig. 2 is the axonometric chart of the structure of the stator core illustrating Fig. 1.
Stator core 40 includes being formed as annular yoke 41 and in the axle center from yoke 41
Direction is formed as such as 8 teeth 42,43 of T-shaped shape when observing.Inner circumferential in yoke 41
Face, in the circumferential according to being provided with mounting groove 41a at equal intervals.This mounting groove 41a is formed as working as
Two ends (circumferencial direction) bottom when the axis direction of yoke 41 is observed are to mutually opposite
The T-shaped shape that direction extends.One end of the center axis in the face of yoke 41 of each tooth 42,43
42a, 43a are formed the circular shape to inner side depression, and so that the other end 42b, 43b
It is embedded into the mode of the bottom of the T-shaped shape of mounting groove 41a, this other end 42b, 43b's
Two ends (circumferencial direction) are to mutually opposite Directional Extension.
By each tooth 42,43 is inserted into mounting groove 1a from the axis direction of yoke 41, from
And each tooth 42,43 can be installed to yoke 41.Yoke 41 by be mounted with each tooth 42,
43, thus form the magnetic circuit of periphery with each tooth 42,43 magnetic coupling.Each tooth 42,43 and magnetic
Yoke 41 is all to constitute at axis direction (thickness direction) the many thin steel plates of upper stacking.
Fig. 3 is the axonometric chart pulled down from tooth by insulator and illustrate, Fig. 4 is to illustrate to use insulator
The axonometric chart of the state of clamping tooth.It addition, about the structure of the insulator 60 for tooth 42,
Identical with the insulator 60 shown in Fig. 3, so addition of identical symbol.
Insulator 60 includes the 1st insulator the 71 and the 2nd insulator 72.1st insulator 71
Such as according to such as 90 degree of outer peripheral edges being arranged at intervals at annular 1st support 73.Point
It is not provided with 4 the 2nd insulators 72.
1st insulator 71 includes the volume covering the U-shaped of the half of the side surface part of tooth 43
Around portion 71a, from the opposed one end of the inner peripheral surface with stator core 40 of winder 71a outward
The outer frame 71b that extends and from opposed another of the outer peripheral face with rotor 20 of winder 71a
The inside casing portion 71c that one end extends outward.In the mutually opposing end of winder 71a
Surface, the overlapping portion being provided with the wall thickness mutually having step outward and formed thin (is not schemed
Show).It addition, the upper surface of the end at outer frame 71b, it is provided with and there is downwards step
And the overlapping portion (not shown) that the wall thickness that formed is thin.It addition, in the end of inside casing portion 71c
Lower surface, the overlapping portion being provided with the wall thickness having step upward and formed thin (is not schemed
Show).That is, the overlapping portion of winder 71a, the overlapping portion of outer frame 71b and inside casing portion 71c
Overlapping portion be continuously connected with identical wall thickness.
2nd insulator 72 includes the side surface part covering the residue half of tooth 43 as described above
U-shaped winder 72a, from the inner peripheral surface with stator core 40 of winder 72a
Outer frame 72b that opposed one end extends outward and from winder 72a with rotor 20
The inside casing portion 72c that extends outward of the opposed other end of outer peripheral face.Phase in winder 72a
The outer surface of the most opposed end, is provided with inward direction and has step and the wall thickness that formed is thin
Overlapping portion (not shown).It addition, at the end opposed with inside casing portion 72c of outer frame 72b
The lower surface in portion, is provided with the thin overlapping portion of the wall thickness having step upward and formed (not
Diagram).It addition, the upper surface of the end opposed with outer frame 72b at inside casing portion 72c,
It is provided with the thin overlapping portion of the wall thickness that downwards there is step and formed (not shown).That is,
The overlapping portion of winder 72a, the overlapping portion of outer frame 72b and the overlapping portion of inside casing portion 72c
It is continuously connected with identical wall thickness.
Such as, when respectively 4 teeth being inserted into the 1st insulation being arranged at the 1st support 73
After winder 71a of body 71, when clamping each tooth with the 2nd insulator 72, winder 72a,
Each overlapping portion of outer frame 72b and inside casing portion 72c is embedded into winder 71a, outer frame 71b
And each overlapping portion of inside casing portion 71c.Now, one end 43a of tooth 43 from inside casing portion 71c,
72c highlights, and the other end 43b of tooth 43 is prominent from outer frame 71b, 72b.It addition, about
One end 42a of tooth 42, although the most not shown, but prominent from inside casing portion 71c, 72c,
The other end 42b of tooth 42 is prominent from outer frame 71b, 72b as shown in Figure 4.It addition, it is above-mentioned
1st support 73 is configured to the most chimeric with annular 2nd support 74 shown in Fig. 4.
Winder 71a of side surface part, 72a around tooth 43 are the parts being wound winding 50,
Outer frame 71b, 72b are to be prone to when winding 50 is wound in winder 71a, 72a
Winding 50 is directed to winder 71a, 72a and arrange.It addition, outer frame 71b, 72b
And inside casing portion 71c, 72c are the windings 50 in order to prevent from being wound in winder 71a, 72a
Come off or the winding of winding 50 is out of shape and arrange.
Can be by being arranged at the 1st insulator 70 of the 1st and the 2nd support 73,74
And easily and accurately determine the mutual location of 4 teeth 42 and remaining 4 teeth 43.
It follows that the housing of the 1st and the 2nd insulator 71,72 is described with comparing in the past
The wall thickness of portion 71b.
Fig. 5 is the outer frame of the 1st and the 2nd insulator in the motor illustrating embodiment
Axonometric chart, Fig. 6 is to observe the outer frame of Fig. 5 from A-A direction and the fragmentary cross-sectional view that illustrates,
Fig. 7 is the axonometric chart illustrating conventional outer frame, and Fig. 8 observes Fig. 7 from B-B direction
Frame portion and the fragmentary cross-sectional view that illustrates.
In the present embodiment, as shown in figs.5 and 6, it is being arranged at the 2nd insulator
The both ends of the length direction of the outer frame 72b of 72, outside being provided with than the 1st insulator 71
The heavy section 72e that the wall thickness of frame portion 71b is thick.This heavy section 72e has certain width,
With along with from overlapping portion 72d away from and wall thickness is the most thinning, become and its of outer frame 72b
The mode that its wall thickness partly is identical, is formed with inclined plane 72f.Heavy section 72e and the 1st
The difference of the outer frame 71b of insulator 71 is set to the degree not having obstacle when winding winding.
On the other hand, as it is shown in fig. 7, in the past, it is arranged at the outer frame of the 2nd insulator 101
The wall thickness at the both ends of the length direction of 102 is identical with other parts, is smooth, so
It is embedded into this housing at the overlapping portion 202a of the outer frame 202 being arranged at the 1st insulator 201
In the case of the overlapping portion 102a in portion 102, the wall thickness of this outer frame 202 and outer frame 102
Wall thickness become identical (with reference to Fig. 8).In such conventional technology, sometimes due to
Fraction of foozle or rigging error etc., between overlapping portion 102a, 202a of both sides
Produce gap d.In such a state, sometimes when winding is wound in winder, winding
Enter into gap d.
In the present embodiment, from axis direction with the 1st insulator the 71 and the 2nd insulator
During 72 clamping tooth 42,43, at the both ends of the outer frame 72b of the 2nd insulator 72, arrange
There is the heavy section 72e that the wall thickness than the outer frame 71b of the 1st insulator 71 is thick.By this knot
Structure, when winding is wound in winder 71a, 72a, winding 50 is to be taken by heavy section 72e
On state winding, even if so due to fraction of foozle or rigging error etc.
In the case of creating gap d (with reference to Fig. 6) between overlapping portion 71d, 72d of both sides, around
Group also will not invade this gap d and can be wound around winding 50, it is possible to increase productivity.
It addition, inclined plane 72f is formed at heavy section 72e, so when being wound around winding 50, no
The angle that there is heavy section 72e is encountered winding and is made winding 50 damage such situation, it is possible to volume
Around winding 50, it is possible to realize the high motor of reliability 1.
It addition, heavy section 72e is simply set to winding 50 will not invade the minimum of gap d
The width of limit, thus do not reduce winder 71a, the volume of 72a is just prevented from winding 50
Intrusion.Therefore, it is possible to high-density winding winding 50, it is possible to realize low vibration, low noise,
Low-power consumption, long-life motor 1.
Claims (4)
1. a motor, possesses:
Stator core, is formed as drum, has in the circumferential according at equal intervals at inner peripheral surface
The multiple teeth arranged；
1st and the 2nd insulator, at one end tool opposed with the inner peripheral surface of described stator core
Having the outer frame extended outward, described 1st and the 2nd insulator is respectively from described stator ferrum
The both sides of the axis direction of core sandwich the plurality of tooth；
Winding, is wound on described 1st and the 2nd insulator；And
Rotor, centered by the axle center of described stator core, is rotatably arranged on this stator
The inner side of iron core,
Described motor is characterised by,
Described 1st and the 2nd insulator has when tooth the plurality of from sandwich and includes institute
The overlapping portion that the end of the both sides stating outer frame is overlapped, is provided with the described outer frame of both sides
In thick thicker than this outer frame of the wall thickness of front of described overlapping portion of some outer frame
Wall portion.
Motor the most according to claim 1, it is characterised in that
The overlapping portion of the end being arranged at described 1st and the 2nd insulator is formed as than the 1st
And the 2nd the wall thickness of insulator thin.
3. according to the motor described in claims 1 or 2, it is characterised in that
Described heavy section is the end of the length direction of described outer frame, with along with from described overlap
Portion away from and thinning mode tilts.
4. according to the motor described in any one in claims 1 to 3, it is characterised in that
Described heavy section is the rectangular shape with certain width.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2014/051940 WO2015114752A1 (en) | 2014-01-29 | 2014-01-29 | Electric motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105940593A true CN105940593A (en) | 2016-09-14 |
| CN105940593B CN105940593B (en) | 2018-09-04 |
Family
ID=53756371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480074467.9A Active CN105940593B (en) | 2014-01-29 | 2014-01-29 | electric motor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6125052B2 (en) |
| CN (1) | CN105940593B (en) |
| WO (1) | WO2015114752A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220046285A (en) | 2020-10-07 | 2022-04-14 | 엘지전자 주식회사 | Electric motory assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007236026A (en) * | 2006-02-27 | 2007-09-13 | Mitsubishi Electric Corp | Motor and ventilating fan using the same |
| JP2008312276A (en) * | 2007-06-12 | 2008-12-25 | Fuji Heavy Ind Ltd | Electric motor |
| JP2010088142A (en) * | 2008-09-29 | 2010-04-15 | Daikin Ind Ltd | Insulator and armature core |
| CN103187808A (en) * | 2011-12-28 | 2013-07-03 | 富士通将军股份有限公司 | Electric motor |
| CN103227517A (en) * | 2012-01-31 | 2013-07-31 | 日本电产株式会社 | Armature and motor |
-
2014
- 2014-01-29 CN CN201480074467.9A patent/CN105940593B/en active Active
- 2014-01-29 WO PCT/JP2014/051940 patent/WO2015114752A1/en active Application Filing
- 2014-01-29 JP JP2015559658A patent/JP6125052B2/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007236026A (en) * | 2006-02-27 | 2007-09-13 | Mitsubishi Electric Corp | Motor and ventilating fan using the same |
| JP2008312276A (en) * | 2007-06-12 | 2008-12-25 | Fuji Heavy Ind Ltd | Electric motor |
| JP2010088142A (en) * | 2008-09-29 | 2010-04-15 | Daikin Ind Ltd | Insulator and armature core |
| CN103187808A (en) * | 2011-12-28 | 2013-07-03 | 富士通将军股份有限公司 | Electric motor |
| CN103227517A (en) * | 2012-01-31 | 2013-07-31 | 日本电产株式会社 | Armature and motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105940593B (en) | 2018-09-04 |
| JPWO2015114752A1 (en) | 2017-03-23 |
| JP6125052B2 (en) | 2017-05-10 |
| WO2015114752A1 (en) | 2015-08-06 |
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