JPH04271240A - Stator of electric motor and manufacture of nonformed wound electric motor stator - Google Patents
Stator of electric motor and manufacture of nonformed wound electric motor statorInfo
- Publication number
- JPH04271240A JPH04271240A JP420491A JP420491A JPH04271240A JP H04271240 A JPH04271240 A JP H04271240A JP 420491 A JP420491 A JP 420491A JP 420491 A JP420491 A JP 420491A JP H04271240 A JPH04271240 A JP H04271240A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic pole
- stator
- magnetic
- yoke
- coil
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 239000000470 constituent Substances 0.000 claims description 31
- 230000004907 flux Effects 0.000 abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052802 copper Inorganic materials 0.000 abstract description 4
- 239000010949 copper Substances 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、電動機の固定子、特に
円環状ヨークに複数個の磁極を放射状に突設し、この磁
極を囲みコイルを巻装した固定子に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stator for an electric motor, and more particularly to a stator in which a plurality of magnetic poles are provided radially projecting from an annular yoke, and a coil is wound around the magnetic poles.
【０００２】0002
【従来の技術】円環状ヨークに複数個の磁極を放射状に
突設した固定子としては、従来より次のようなものがあ
る。2. Description of the Related Art Conventionally, there are the following types of stators in which a plurality of magnetic poles are provided radially projecting from an annular yoke.
【０００３】円環状ヨークと、この円環状ヨークに分離
可能に放射状に突設される複数個の磁極と、この複数個
の磁極を互いに接続するための磁極の外面に形成された
樹脂と、前記ヨークより分離した状態の前記磁極に巻装
されるコイルとよりなる固定子である（特開昭６０−１
５６２３１号）。[0003] An annular yoke, a plurality of magnetic poles separably provided radially protruding from the annular yoke, a resin formed on the outer surface of the magnetic poles for connecting the plurality of magnetic poles to each other; This is a stator consisting of a coil wound around the magnetic poles separated from the yoke (Japanese Patent Laid-Open No. 60-1
No. 56231).
【０００４】このような固定子は、ヨークに放射状に突
設した複数個の磁極をヨークの内側近くで切り離し、該
磁極を樹脂で一体的に結合して、磁極の外側に広く開い
た開口部よりコイルを巻装できるようにしているので、
巻線作業の効率が高く、一方、隣接するポール周間の間
隙は電動機の効率が最高となる寸法に決定できる利点が
あり、高効率の電動機を高い効率で量産できるという効
果があった。[0004] In such a stator, a plurality of magnetic poles protruding radially from the yoke are separated near the inside of the yoke, and the magnetic poles are integrally bonded with resin to form wide openings on the outside of the magnetic poles. Because it allows for more coil winding,
The efficiency of the winding work was high, and on the other hand, the gap between adjacent pole circumferences had the advantage of being able to be determined to a size that maximized the efficiency of the motor, making it possible to mass-produce high-efficiency motors.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上記の
ような固定子において、下記のような問題点がある。However, the stator described above has the following problems.
【０００６】まず、コイルエンドが、固定子鉄心の外側
にあるため、回転子のマグネットの有効磁束が低減され
るという問題があった。First, since the coil ends are located outside the stator core, there is a problem in that the effective magnetic flux of the rotor magnet is reduced.
【０００７】また、回転子のマグネットからの磁束が、
磁極を構成する磁極構成板を横切るため、電動機鉄損す
なわちうず電流損が発生するという問題があった。[0007] Also, the magnetic flux from the rotor magnet is
Since it crosses the magnetic pole constituent plates that constitute the magnetic pole, there is a problem in that motor iron loss, that is, eddy current loss occurs.
【０００８】[0008]
【発明の目的】そこで本発明は、回転子のマグネットか
らの有効磁束を低減させることなく、コイルエンドを短
縮し、かつ、うず電流損を低減させる電動機の固定子及
び直巻式電動機の固定子の製造方法を提供するものであ
る。[Object of the Invention] Therefore, the present invention provides a stator for a motor and a stator for a series-wound motor that shorten the coil ends and reduce eddy current loss without reducing the effective magnetic flux from the rotor magnet. The present invention provides a method for manufacturing.
【０００９】[0009]
【課題を解決するための手段】本発明の請求項１の電動
機の固定子は、円環状のヨ―クから放射状に突設された
複数個の磁極を有する電動機の固定子において、コイル
エンドを収納するための凹部を両端部に有する複数枚の
磁極構成板を周方向に積層して形成された複数個の磁極
を、ヨ―クの内周面に回転軸方向に沿って設けられた複
数個の嵌合溝にそれぞれ嵌合して形成されたものである
。[Means for Solving the Problems] A stator for an electric motor according to claim 1 of the present invention has a plurality of magnetic poles projecting radially from an annular yoke. A plurality of magnetic poles formed by laminating a plurality of magnetic pole constituent plates in the circumferential direction, each having a concave portion at both ends for storage, are arranged along the rotational axis direction on the inner circumferential surface of the yoke. They are formed by fitting into respective fitting grooves.
【００１０】本発明の請求項２の直巻式電動機の固定子
の製造方法は、円環状のヨ―クから放射状に突設した複
数個の磁極を有する直巻式電動機の固定子において、コ
イルエンドを収納するための凹部を両端部に有する複数
枚の磁極構成板を周方向に積層して磁極を形成し、コイ
ルエンドが前記凹部に収納されるように磁極にコイルを
巻装し、ヨ―クの内周面に回転軸方向に沿って設けられ
た複数個の嵌合溝へ、コイルを巻装した複数個の磁極を
回転軸方向にそれぞれ嵌合挿入させるものである。The method for manufacturing a stator for a series-wound motor according to claim 2 of the present invention is a method for manufacturing a stator for a series-wound motor, which has a plurality of magnetic poles projecting radially from an annular yoke. A plurality of magnetic pole constituent plates having recesses at both ends for storing the ends are laminated in the circumferential direction to form a magnetic pole, and a coil is wound around the magnetic pole so that the coil ends are stored in the recesses. A plurality of magnetic poles each having a coil wound thereon are respectively fitted and inserted in the direction of the rotation axis into a plurality of fitting grooves provided along the rotation axis direction on the inner circumferential surface of the disk.
【００１１】[0011]
【作 用】請求項１の電動機の固定子であると、コイ
ルエンドは、磁極の両端部に形成された凹部に収納され
ているため、回転子のマグネットからの有効磁束を低減
させることがない。また、磁極を構成する磁極構成板は
、周方向に積層されているため、回転子のマグネットか
らの磁束がこれら磁極構成板を横切ることがない。その
ため、うず電流損を減ずることができる。[Function] In the electric motor stator according to claim 1, the coil ends are housed in the recesses formed at both ends of the magnetic poles, so that the effective magnetic flux from the rotor magnets is not reduced. . Further, since the magnetic pole constituent plates constituting the magnetic poles are laminated in the circumferential direction, the magnetic flux from the magnet of the rotor does not cross these magnetic pole constituent plates. Therefore, eddy current loss can be reduced.
【００１２】請求項２の直巻式電動機の固定子の製造方
法であると、コイルエンドを収納するための凹部を両端
部に有する複数枚の磁極構成板を、周方向に積層して、
磁極を形成する。そして、この形成した磁極に、コイル
エンドが、磁極の凹部に収納されるようにコイルを巻装
する。そして、このコイルを巻装した磁極を円環状のヨ
ークの内周面に回転軸方向に沿って設けられた複数個の
嵌合溝にそれぞれ嵌合挿入させて固定子を製造する。[0012] In the method of manufacturing a stator for a series-wound motor according to claim 2, a plurality of magnetic pole constituent plates having recesses at both ends for accommodating the coil ends are laminated in the circumferential direction.
Form magnetic poles. Then, a coil is wound around the formed magnetic pole so that the coil end is accommodated in the recess of the magnetic pole. Then, the stator is manufactured by fitting and inserting the magnetic poles around which the coils are wound into a plurality of fitting grooves provided on the inner peripheral surface of the annular yoke along the direction of the rotation axis.
【００１３】[0013]
【実施例】符号１は、本実施例の直巻式のブラシレスモ
ータである。このブラシレスモ―タ１は、図１及び図２
に示すように、固定子ハウジング２、固定子３、外周面
にマグネット４を備えた回転子５とを備えている。DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference numeral 1 designates a direct winding type brushless motor of this embodiment. This brushless motor 1 is shown in FIGS. 1 and 2.
As shown in the figure, the rotor 5 includes a stator housing 2, a stator 3, and a rotor 5 having a magnet 4 on its outer peripheral surface.
【００１４】以下、この固定子３の構成及び製造方法を
説明する。The structure and manufacturing method of this stator 3 will be explained below.
【００１５】符号１２は、円環状のヨークであり、符号
１４は、磁極である。Reference numeral 12 is an annular yoke, and reference numeral 14 is a magnetic pole.
【００１６】以下、ヨーク１２の構成及び製造方法につ
いて説明する。The structure and manufacturing method of the yoke 12 will be explained below.
【００１７】ヨーク１２は、円環状の鉄製の複数枚のヨ
ーク構成板１６をかしめつつ積層して、円筒状にしたも
のである。The yoke 12 is formed into a cylindrical shape by laminating a plurality of annular iron yoke constituent plates 16 while caulking them.
【００１８】ヨーク構成板１６は、図３に示すように、
その内周面に嵌合凹部１８が等間隔に６個設けられてい
る。この嵌合凹部１８は、平面矩形状をしており、嵌合
凹部１８の内周面端部に一対の突起部２０、２０が設け
られている。このヨーク構成板１６を、嵌合凹部１８の
位置が一致するように積層してヨーク１２を構成する。
この場合に、嵌合凹部１８は、積層されると嵌合溝２２
を構成する。The yoke component plate 16 has, as shown in FIG.
Six fitting recesses 18 are provided at equal intervals on the inner peripheral surface. The fitting recess 18 has a rectangular planar shape, and a pair of protrusions 20, 20 are provided at the end of the inner peripheral surface of the fitting recess 18. The yoke 12 is constructed by stacking these yoke constituent plates 16 so that the positions of the fitting recesses 18 are aligned. In this case, when the fitting recess 18 is stacked, the fitting groove 22
Configure.
【００１９】次に、磁極１４の構成及び製造方法につい
て説明する。Next, the structure and manufacturing method of the magnetic pole 14 will be explained.
【００２０】磁極１４は、１２枚の鉄製の磁極構成板２
４……４６より形成されている。The magnetic pole 14 consists of 12 iron magnetic pole constituent plates 2.
4...46.
【００２１】磁極構成板２４は、図４に示すように、磁
極部２４ａの上部を外方に折曲して折曲部２４ｂを形成
している。磁極部２４ａの両端部には、コイルエンド収
納用の凹部２４ｃが形成されている。As shown in FIG. 4, the magnetic pole component plate 24 has a bent portion 24b formed by bending the upper portion of the magnetic pole portion 24a outward. Recesses 24c for storing coil ends are formed at both ends of the magnetic pole portion 24a.
【００２２】磁極構成板２６は、磁極構成板２４の折曲
部２４ｂとは対称に磁極部２６ａの上部を外方に折曲し
て折曲部２６ｂを形成している。磁極部２６ａの両端部
には、コイルエンド収納用の凹部２６ｃが形成されてい
る。The magnetic pole component plate 26 has a bent portion 26b formed by bending the upper portion of the magnetic pole portion 26a outward in symmetry with the bent portion 24b of the magnetic pole component plate 24. Recesses 26c for storing coil ends are formed at both ends of the magnetic pole portion 26a.
【００２３】これら一対の磁極構成板２４，２６とそれ
ぞれ折曲部２６ｂが外方に向くように背中合わせに重ね
て溶接している。さらに、一対の磁極構成板２８，３０
を磁極構成板２４，２６の外側に重ね、以下同様にして
８枚の磁極構成板３２，３４，３６，３８，４０，４２
，４４，４６を順次外側に重ねて溶接し、図５、図６に
示すように磁極１４を構成している。The pair of magnetic pole constituent plates 24 and 26 are stacked back to back and welded so that the respective bent portions 26b face outward. Furthermore, a pair of magnetic pole constituent plates 28, 30
are stacked on the outside of the magnetic pole constituent plates 24 and 26, and in the same manner, the eight magnetic pole constituent plates 32, 34, 36, 38, 40, 42
, 44 and 46 are successively overlapped and welded to the outside to form the magnetic pole 14 as shown in FIGS. 5 and 6.
【００２４】１２枚の磁極構成板２４……の磁極部２４
ａ……の下面は重ねた場合に、図５に示すように円弧状
に構成されており、回転子５の外周面に沿うようになっ
ている。１２枚の磁極構成板２４……の折曲部２４ｂ…
…の両端部は重ねた場合に、図５に示すように、面一に
構成されて嵌合部４８を形成している。また、１２枚の
磁極構成板２４……の凹部２４ｃは重ねた場合に、図６
に示すように、コイルエンド収納用の収納凹部５０を形
成している。[0024] The magnetic pole parts 24 of the 12 magnetic pole constituent plates 24...
When stacked, the lower surfaces of a... are configured in an arc shape as shown in FIG. 5, and extend along the outer circumferential surface of the rotor 5. Bent portions 24b of the 12 magnetic pole constituent plates 24...
. . , when overlapped, are flush with each other to form a fitting portion 48, as shown in FIG. Furthermore, when the recesses 24c of the 12 magnetic pole constituent plates 24... are overlapped, as shown in FIG.
As shown in FIG. 2, a storage recess 50 for storing the coil end is formed.
【００２５】上記と同様にして、１２枚の磁極構成板を
重ねて溶接し、６個の磁極１４をそれぞれ形成する。In the same manner as described above, 12 magnetic pole constituent plates are stacked and welded to form six magnetic poles 14, respectively.
【００２６】６個の磁極１４をスプ―ル５６で披装する
。Six magnetic poles 14 are displayed on a spool 56.
【００２７】スプ―ル５６で披装した磁極１４に、コイ
ル５２を回転軸方向に巻装する。この場合に、コイル５
２のコイルエンド５４が、収納凹部５０に収納されるよ
うに巻装する。The coil 52 is wound around the magnetic pole 14 which is exposed by the spool 56 in the direction of the rotation axis. In this case, coil 5
The second coil end 54 is wound so as to be stored in the storage recess 50.
【００２８】図７に示すように、コイル５２を巻装した
磁極１４の嵌合部４８を、ヨ―ク１２の嵌合溝２２に回
転軸方向に沿って圧入嵌合しつつ挿入して固定子３を形
成する。この場合に、嵌合部４８は、突起部２０によっ
て嵌合溝２２から抜脱することがない。As shown in FIG. 7, the fitting part 48 of the magnetic pole 14, around which the coil 52 is wound, is inserted and fixed into the fitting groove 22 of the yoke 12 while press-fitting along the direction of the rotation axis. Form child 3. In this case, the fitting portion 48 does not come out of the fitting groove 22 due to the protrusion 20.
【００２９】以上のブラシレスモータ１において、回転
子５のマグネット４から、固定子３への磁束の状態を図
８及び図９を使用して説明する。In the brushless motor 1 described above, the state of magnetic flux from the magnet 4 of the rotor 5 to the stator 3 will be explained using FIGS. 8 and 9.
【００３０】まず、図８の正面図に示すように、正面か
ら見たマグネット４からの磁束（図中の矢印で示す。）
は、磁極１４における各磁極構成板２４…４６の円弧状
に形成された端面に流れ込む。各磁極構成板２４…４６
に流れ込んだ磁束は、この磁極構成板に沿って流れて、
磁極部２４ａと折曲部２４ｂを経て、嵌合部４８に至り
、ヨーク１２に至る。この場合に、磁束は、磁極構成板
に沿って流れるため、この磁極構成板を横切ることがな
く、うず電流損を減ずることができる。First, as shown in the front view of FIG. 8, the magnetic flux from the magnet 4 seen from the front (indicated by the arrow in the figure).
flows into the arcuate end faces of the respective magnetic pole constituent plates 24...46 in the magnetic pole 14. Each magnetic pole component plate 24...46
The magnetic flux flowing into the magnetic flux flows along this magnetic pole component plate,
It reaches the fitting part 48 through the magnetic pole part 24a and the bent part 24b, and then reaches the yoke 12. In this case, since the magnetic flux flows along the magnetic pole forming plate, it does not cross the magnetic pole forming plate, and eddy current loss can be reduced.
【００３１】図９の側面図に示すように、側面から見た
磁極においては、マグネット４からの磁束（図中の矢印
で示す。）は、磁極構成板２４に流れ込み、この磁極構
成板に沿ってヨーク１２の方向に流れる。この場合に、
磁極構成板は周方向に積層された状態となっており、従
来のように軸方向に積層されていないため、これら磁極
構成板を横切ることがなく、うず電流損を減ずることが
できる。また、磁極１４の収納凹部５０にコイル５２の
コイルエンド５４がそれぞれ収納されているため、マグ
ネット４の有効磁束を低減させることなく、コイルエン
ド５２を短縮し、かつ、銅損を減少させ、これにより、
ヨーク１２の回転軸方向の寸法が従来より小さな固定子
ができる。As shown in the side view of FIG. 9, in the magnetic pole seen from the side, the magnetic flux from the magnet 4 (indicated by the arrow in the figure) flows into the magnetic pole component plate 24 and flows along this magnetic pole component plate. and flows in the direction of the yoke 12. In this case,
Since the magnetic pole constituent plates are laminated in the circumferential direction and not in the axial direction as in the conventional case, the magnetic pole constituent plates are not crossed, and eddy current loss can be reduced. In addition, since the coil ends 54 of the coils 52 are housed in the housing recesses 50 of the magnetic poles 14, the coil ends 52 can be shortened without reducing the effective magnetic flux of the magnet 4, and copper loss can be reduced. According to
A stator can be created in which the dimension of the yoke 12 in the direction of the rotation axis is smaller than that of the conventional stator.
【００３２】また、上記構成の磁極１４であると、磁極
構成板と直交する収束磁束が存在していないため、うず
電流損が低減できる。Furthermore, with the magnetic pole 14 having the above configuration, since there is no convergent magnetic flux perpendicular to the magnetic pole constituent plates, eddy current loss can be reduced.
【００３３】次に、図１０及び図１１を用いて第２の実
施例の磁極１１４を説明する。Next, the magnetic pole 114 of the second embodiment will be explained using FIGS. 10 and 11.
【００３４】この磁極１１４は８枚の磁極構成板１２４
によって形成され、この磁極構成板１２４の下端が、第
１の実施例の磁極１４とは異なり、円弧状にそれぞれ開
いた状態となっている。このため、マグネット４からの
磁束を無駄なく受け入れることができる。This magnetic pole 114 consists of eight magnetic pole constituent plates 124.
Unlike the magnetic poles 14 of the first embodiment, the lower ends of the magnetic pole constituent plates 124 are each opened in an arc shape. Therefore, the magnetic flux from the magnet 4 can be received without waste.
【００３５】図１２及び図１３を用いて第３の実施例の
磁極２１４を説明する。The magnetic pole 214 of the third embodiment will be explained using FIGS. 12 and 13.
【００３６】この磁極２１４は、１０枚の磁極構成板に
よって構成され、第１の実施例の磁極１４と異なる点は
、磁極２１４の中央部にある磁極構成板２２４及び２２
６が、磁極２１４の下面に沿って円弧状に広げられてい
る。This magnetic pole 214 is composed of 10 magnetic pole constituent plates, and differs from the magnetic pole 14 of the first embodiment in that the magnetic pole constituent plates 224 and 22 are located at the center of the magnetic pole 214.
6 is expanded in an arc shape along the lower surface of the magnetic pole 214.
【００３７】これにより、マグネット４からの磁束を無
駄なく受け入れることができる。[0037] Thereby, the magnetic flux from the magnet 4 can be received without waste.
【００３８】[0038]
【発明の効果】上記により、本発明の請求項１の、電動
機の固定子であると、磁極構成板が、周方向に積層され
て磁極が構成されているため、回転子からの磁束が、こ
の磁極構成板を横切ることがなく、うず電流損が低減さ
れる。したがって、電動機の効率を上げることができる
。また、コイルエンドを凹部に収納しているため、回転
子からの有効磁束を低減させることなく、コイルエンド
を短縮し、かつ、銅損を減少させ、これにより、ヨーク
の回転軸方向の寸法が、小さな寸法の固定子が形成可能
となる。As described above, in the stator of the electric motor according to claim 1 of the present invention, since the magnetic pole constituent plates are laminated in the circumferential direction to form the magnetic poles, the magnetic flux from the rotor is Eddy current loss is reduced without crossing the magnetic pole constituent plates. Therefore, the efficiency of the electric motor can be increased. In addition, since the coil end is housed in the recess, the coil end can be shortened without reducing the effective magnetic flux from the rotor, and copper loss can be reduced. , it becomes possible to form stators with small dimensions.
【００３９】請求項２の、直巻式電動機の固定子の製造
方法であると、複数枚の磁極構成板を周方向に積層して
磁極を形成し、コイルエンドがこの凹部に収納されるよ
うに磁極にコイルを巻装し、ヨークの内周面に回転軸方
向に沿って設けられた複数個の嵌合溝にこのコイルを巻
装した磁極を回転軸方向に沿って嵌合挿入する製造方法
である。したがって、その製造が容易であり、かつ、回
転子からの有効磁束を低減させることなく、コイルエン
ドを短縮し、かつ、銅損を減少させ、ヨークの回転軸方
向の寸法が小さな寸法の固定子が製造可能となる。また
、回転子からの磁束は、磁極構成板を横切ることがない
ため、うず電流損が低減される。In the method of manufacturing a stator for a series-wound motor according to claim 2, a plurality of magnetic pole constituent plates are laminated in the circumferential direction to form a magnetic pole, and the coil ends are housed in the recesses. A manufacturing process in which a coil is wound around a magnetic pole, and the magnetic pole with the coil wound thereon is fitted and inserted along the rotational axis direction into multiple fitting grooves provided along the rotational axis direction on the inner peripheral surface of the yoke. It's a method. Therefore, the stator is easy to manufacture, and the coil end can be shortened and copper loss can be reduced without reducing the effective magnetic flux from the rotor, and the dimension of the yoke in the direction of the rotation axis is small. can be manufactured. Furthermore, since the magnetic flux from the rotor does not cross the magnetic pole constituent plates, eddy current loss is reduced.
【図１】本発明の一実施例を示すブラシレスモータの横
断面図である。FIG. 1 is a cross-sectional view of a brushless motor showing an embodiment of the present invention.
【図２】同じくブラシレスモータの縦断面図である。FIG. 2 is a longitudinal sectional view of the same brushless motor.
【図３】ヨークの正面図である。FIG. 3 is a front view of the yoke.
【図４】一対の磁極構成板を重ね合せようとしている斜
視図である。FIG. 4 is a perspective view of a pair of magnetic pole constituent plates about to be overlapped.
【図５】磁極の正面図である。FIG. 5 is a front view of a magnetic pole.
【図６】磁極の側面図である。FIG. 6 is a side view of a magnetic pole.
【図７】ヨークに、磁極を挿入しようとしている状態の
斜視図である。FIG. 7 is a perspective view of a state in which a magnetic pole is about to be inserted into the yoke.
【図８】回転軸から磁極を通してヨークに流れる磁束を
示す正面図である。FIG. 8 is a front view showing magnetic flux flowing from the rotating shaft to the yoke through the magnetic poles.
【図９】同じく回転子から磁極を通してヨークに流れる
磁束を示す側面図である。FIG. 9 is a side view showing the magnetic flux flowing from the rotor to the yoke through the magnetic poles.
【図１０】第２の実施例の磁極の正面図である。FIG. 10 is a front view of the magnetic pole of the second embodiment.
【図１１】第２の実施例の磁極の側面図である。FIG. 11 is a side view of the magnetic pole of the second embodiment.
【図１２】第３の実施例の磁極の正面図である。FIG. 12 is a front view of the magnetic pole of the third embodiment.
【図１３】第３の実施例の磁極の側面図である。FIG. 13 is a side view of the magnetic pole of the third embodiment.
１……ブラシレスモ―タ ２……固定子ハウジング ３……固定子 ４……マグネット ５……回転子 １２……ヨ―ク １４……磁極 １６……ヨ―ク構成板 １８……嵌合凹部 ２０……突起部 ２２……嵌合溝 ２４〜４６……磁極構成板 ４８……嵌合部 ５０……収納凹部 ５２……コイル ５４……コイルエンド ５６……スプ―ル 1... Brushless motor 2...Stator housing 3...Stator 4...Magnet 5...Rotor 12...York 14...Magnetic pole 16...Yoke component plate 18...Fitting recess 20... Protrusion 22...Fitting groove 24-46...Magnetic pole component plate 48...Mating part 50... Storage recess 52...Coil 54...Coil end 56...spool
Claims (2)
数個の磁極を有する電動機の固定子において、コイルエ
ンドを収納するための凹部を両端部に有する複数枚の磁
極構成板を周方向に積層して形成された複数個の磁極を
、ヨ―クの内周面に回転軸方向に沿って設けられた複数
個の嵌合溝にそれぞれ嵌合して形成されたことを特徴と
する電動機の固定子。Claim 1: A stator for an electric motor having a plurality of magnetic poles protruding radially from an annular yoke, comprising a plurality of magnetic pole constituent plates each having a recessed portion at both ends for accommodating a coil end. It is characterized by being formed by fitting a plurality of magnetic poles stacked in the circumferential direction into a plurality of fitting grooves provided on the inner peripheral surface of the yoke along the direction of the rotation axis. Stator of electric motor.
個の磁極を有する直巻式電動機の固定子において、コイ
ルエンドを収納するための凹部を両端部に有する複数枚
の磁極構成板を周方向に積層して磁極を形成し、コイル
エンドが前記凹部に収納されるように磁極にコイルを巻
装し、ヨ―クの内周面に回転軸方向に沿って設けられた
複数個の嵌合溝にコイルを巻装した複数個の磁極を回転
軸方向にそれぞれ嵌合挿入させることを特徴とする直巻
式電動機の固定子の製造方法。[Claim 2] A stator for a series-wound motor having a plurality of magnetic poles projecting radially from an annular yoke, wherein the stator has a plurality of magnetic poles having recesses at both ends for accommodating the coil ends. A plurality of plates are laminated in the circumferential direction to form a magnetic pole, a coil is wound around the magnetic pole so that the coil end is housed in the recess, and a plurality of plates are provided along the rotational axis direction on the inner peripheral surface of the yoke. 1. A method of manufacturing a stator for a series-wound motor, characterized by inserting a plurality of magnetic poles each having a coil wound into each fitting groove in the direction of a rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP420491A JP2929145B2 (en) | 1991-01-18 | 1991-01-18 | Method of manufacturing stator of motor and stator of series-wound motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP420491A JP2929145B2 (en) | 1991-01-18 | 1991-01-18 | Method of manufacturing stator of motor and stator of series-wound motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04271240A true JPH04271240A (en) | 1992-09-28 |
| JP2929145B2 JP2929145B2 (en) | 1999-08-03 |
Family
ID=11578120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP420491A Expired - Fee Related JP2929145B2 (en) | 1991-01-18 | 1991-01-18 | Method of manufacturing stator of motor and stator of series-wound motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2929145B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002218717A (en) * | 2001-01-15 | 2002-08-02 | Minebea Co Ltd | Dc motor |
| JP2010136476A (en) * | 2008-12-02 | 2010-06-17 | Asmo Co Ltd | Armature core, armature, and axial-gap rotating electrical machine |
| JP4665275B2 (en) * | 1999-11-22 | 2011-04-06 | シンフォニアテクノロジー株式会社 | High heat resistance rotating electric machine |
| JP2011147200A (en) * | 2010-01-12 | 2011-07-28 | Mitsubishi Electric Corp | Motor armature |
| WO2018051407A1 (en) * | 2016-09-13 | 2018-03-22 | 三菱電機株式会社 | Stator core, stator, electric motor, drive device, compressor, air conditioner, and method for manufacturing stator core |
-
1991
- 1991-01-18 JP JP420491A patent/JP2929145B2/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4665275B2 (en) * | 1999-11-22 | 2011-04-06 | シンフォニアテクノロジー株式会社 | High heat resistance rotating electric machine |
| JP2002218717A (en) * | 2001-01-15 | 2002-08-02 | Minebea Co Ltd | Dc motor |
| JP2010136476A (en) * | 2008-12-02 | 2010-06-17 | Asmo Co Ltd | Armature core, armature, and axial-gap rotating electrical machine |
| JP2011147200A (en) * | 2010-01-12 | 2011-07-28 | Mitsubishi Electric Corp | Motor armature |
| WO2018051407A1 (en) * | 2016-09-13 | 2018-03-22 | 三菱電機株式会社 | Stator core, stator, electric motor, drive device, compressor, air conditioner, and method for manufacturing stator core |
| CN109643917A (en) * | 2016-09-13 | 2019-04-16 | 三菱电机株式会社 | Stator core, stator, motor, driving device, the manufacturing method of compressor, air conditioner and stator core |
| JPWO2018051407A1 (en) * | 2016-09-13 | 2019-04-18 | 三菱電機株式会社 | Stator core, stator, motor, drive device, compressor, air conditioner, and method of manufacturing stator core |
| US10763717B2 (en) | 2016-09-13 | 2020-09-01 | Mitsubishi Electric Corporation | Stator core, stator, electric motor, drive device, compressor, air conditioner, and a method of manufacturing a stator core |
| CN109643917B (en) * | 2016-09-13 | 2021-02-26 | 三菱电机株式会社 | Stator core and method for manufacturing stator core |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2929145B2 (en) | 1999-08-03 |
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