JPH08182236A - Winding method of armature coil for electric rotating machine - Google Patents
Winding method of armature coil for electric rotating machineInfo
- Publication number
- JPH08182236A JPH08182236A JP32214694A JP32214694A JPH08182236A JP H08182236 A JPH08182236 A JP H08182236A JP 32214694 A JP32214694 A JP 32214694A JP 32214694 A JP32214694 A JP 32214694A JP H08182236 A JPH08182236 A JP H08182236A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- phase
- winding
- armature
- neutral point
- 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.)
- Withdrawn
Links
- 238000004804 winding Methods 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000007935 neutral effect Effects 0.000 claims abstract description 75
- 239000004020 conductor Substances 0.000 claims abstract description 50
- 238000005520 cutting process Methods 0.000 claims description 21
- 238000010586 diagram Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 241000252210 Cyprinidae Species 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Windings For Motors And Generators (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、電動機や発電機などの
回転電機の多相の電機子コイルを巻回する方法に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for winding a multi-phase armature coil of a rotary electric machine such as an electric motor or a generator.
【０００２】[0002]
【従来の技術】電動機や発電機などの回転電機の多相の
電機子コイルは、各相に割り当てられた磁極部を複数個
ずつ有する多数の磁極部を周方向に間隔を開けて設けて
該多数の磁極部相互間にそれぞれ形成された溝をコイル
導体挿入用のスロットとした電機子鉄心を用い、各相に
割り当てられた複数の磁極部に順次単位コイルを巻回し
て各相の電機子コイルを構成する工程を繰り返すことに
より、星形結線される多相の電機子コイルを巻回するよ
うにしている。そして、スロット内へのコイル導体の挿
入とコイルの巻回作業とを容易にするため、各相の電機
子コイルは互いに並列に接続される第１のコイルと第２
のコイルとに分けて巻回する２本並列巻きとすることも
多い。2. Description of the Related Art A multi-phase armature coil of a rotary electric machine such as an electric motor or a generator is provided with a large number of magnetic pole portions each having a plurality of magnetic pole portions assigned to each phase and arranged at intervals in the circumferential direction. An armature core is used in which grooves formed between a large number of magnetic pole portions are used as slots for inserting coil conductors, and a unit coil is sequentially wound around a plurality of magnetic pole portions assigned to each phase to form an armature for each phase. By repeating the step of forming the coil, the star-connected multi-phase armature coil is wound. Then, in order to facilitate the insertion of the coil conductor into the slot and the winding work of the coil, the armature coils of each phase are connected to each other in parallel with the first coil and the second coil.
In many cases, two parallel windings are separately wound with the coil.
【０００３】図４及び図５は、３相星形結線されるこの
種の電機子コイルを巻回する場合に採用されていた従来
の巻回方法を示したもので、図４は電機子コイルの巻線
展開図、図５は結線図である。これらの図において、Ｕ
1 〜Ｕ4 ，Ｖ1 〜Ｖ4 及びＷ1 〜Ｗ4 は、それぞれＵ
相，Ｖ相及びＷ相に割り当てられた電機子鉄心の磁極部
で、これらの磁極部相互間にコイル導体挿入用のスロッ
トが形成されている。電機子鉄心には、例えば該鉄心に
対して絶縁された状態で固定されたピンからなるＵ，
Ｖ，Ｗ相の非中性点側端子Ｔu ，Ｔv ，Ｔw と中性点側
端子Ｔn とが設けられている。なお図４及び図５におい
て、破線で囲まれた部分は電気的に互いに接続されてい
ることを表わしている。FIGS. 4 and 5 show a conventional winding method adopted when winding an armature coil of this type having a three-phase star connection, and FIG. 4 shows an armature coil. Fig. 5 is an exploded view of the winding of Fig. 5, and Fig. 5 is a connection diagram. In these figures, U
1 to U4, V1 to V4 and W1 to W4 are U, respectively.
Slots for inserting coil conductors are formed between the magnetic pole portions of the armature cores assigned to the phase, the V phase, and the W phase. The armature iron core includes, for example, U formed of a pin fixed in an insulated state with respect to the iron core.
Non-neutral point side terminals Tu, Tv, Tw of V and W phases and neutral point side terminal Tn are provided. Note that, in FIGS. 4 and 5, the portions surrounded by broken lines indicate that they are electrically connected to each other.
【０００４】Ｕ相の電機子コイルを巻回する工程では、
先ずコイル導体の巻き始め端部ＵaをＵ相の非中性点側
端子Ｔu に巻き付けた後、磁極部Ｕ1 ，Ｕ2 ，Ｕ3 及び
Ｕ4に順次単位コイルｕ1 ，ｕ2 ，ｕ3 及びｕ4 を図示
矢印方向に沿って連続して巻回し、巻き終り端部Ｕb を
中性点側端子Ｔn に巻き付けたのちコイル導体を切断し
て、単位コイルｕ1 −ｕ2 −ｕ3 −ｕ4 によりＵ相の第
１のコイルを構成する。次に巻き始め端部Ｕa ´を同じ
非中性点側端子Ｔu に巻き付けたのち第１のコイルを巻
回する際にたどったスロットを順次たどりながら磁極部
Ｕ1 ，Ｕ2 ，Ｕ3 及びＵ4 に第２のコイルｕ1 ´−ｕ2
´−ｕ3 ´−ｕ4 ´を巻回して巻き終り端部Ｕb ´を中
性点側端子Ｔn に巻き付けたのちコイル導体を切断す
る。In the process of winding the U-phase armature coil,
First, the winding start end Ua of the coil conductor is wound around the U-phase non-neutral side terminal Tu, and then the unit coils u1, u2, u3 and u4 are sequentially arranged on the magnetic poles U1, U2, U3 and U4 in the direction of the arrow shown in the figure. Along the winding end end Ub around the neutral point side terminal Tn, the coil conductor is cut, and the unit coil u1 -u2 -u3 -u4 constitutes the U-phase first coil. To do. Next, after winding the winding start end Ua 'around the same non-neutral point side terminal Tu, the slots traced when the first coil is wound are sequentially traced to the magnetic poles U1, U2, U3 and U4 to make the second Coil u1'-u2
'-U3'-u4' is wound, the winding end Ub 'is wound around the neutral point side terminal Tn, and then the coil conductor is cut.
【０００５】Ｖ相及びＷ相についても同様な工程を繰り
返すことにより、それぞれＶ相及びＷ相の電機子コイル
が巻回される。即ち、Ｖ相については、巻き始め端部Ｖ
a ，Ｖa ´が非中性点側端子Ｔv に巻き付けられ、磁極
部Ｖ1 ，Ｖ2 ，Ｖ3 及びＶ4に第１のコイルｖ1 −ｖ2
−ｖ3 −ｖ4 及び第２のコイルｖ1 ´−ｖ2 ´−ｖ3´
−ｖ4 ´が巻回されてそれぞれの巻き終り端部Ｖb ，Ｖ
b ´が中性点側端子Ｔn に巻き付けられる。またＷ相に
ついては、巻き始め端部Ｗa ，Ｗa ´が非中性点側端子
Ｔw に巻き付けられ、磁極部Ｗ1 ，Ｗ2 ，Ｗ3 及びＷ4
に第１のコイルｗ1 −ｗ2 −ｗ3 −ｗ4 及び第２のコイ
ルｗ1 ´−ｗ2 ´−ｗ3 ´−ｗ4 ´がそれぞれ巻回され
て巻き終り端部Ｗb ，Ｗb ´が中性点側端子Ｔn に巻き
付けられる。By repeating the same steps for the V-phase and the W-phase, the V-phase and W-phase armature coils are wound. That is, for the V phase, the winding start end V
a, Va 'are wound around the non-neutral side terminal Tv, and the first coils v1-v2 are provided around the magnetic pole portions V1, V2, V3 and V4.
-V3 -v4 and the second coil v1'-v2'-v3 '
-V4 'is wound so that each winding end end Vb, V
b'is wound around the neutral point side terminal Tn. Regarding the W phase, the winding start ends Wa and Wa 'are wound around the non-neutral point side terminal Tw, and the magnetic pole parts W1, W2, W3 and W4.
The first coil w1-w2-w3-w4 and the second coil w1'-w2'-w3'-w4 'are respectively wound around the winding end ends Wb, Wb' at the neutral point side terminal Tn. Wrapped around.
【０００６】[0006]
【発明が解決しようとする課題】互いに並列に接続され
る第１のコイル及び第２のコイルからなる各相の電機子
コイルを星形結線した構成の多相の電機子コイルを巻回
する従来の巻回方法では、各相の第１のコイル及び第２
のコイルのそれぞれの巻き始め端部及び巻き終り端部を
それぞれ非中性点側端子及び中性点側端子に巻き付ける
工程と、各巻き終り端部でコイル導体を切断する工程と
が必要である。例えば上記のように３相星形結線される
電機子コイルを巻回する場合には、第１のコイル及び第
２のコイルの端部について、合計１２回の巻き付けと６
回の切断とを行なう必要がある。そのため、従来の電機
子コイル巻回方法では、巻線の作業時間が長くかかり、
電機子コイルのコストが高くなるという問題があった。Conventionally, a multi-phase armature coil having a structure in which each phase armature coil composed of a first coil and a second coil connected in parallel to each other is star-connected is wound. In the winding method, the first coil and the second coil of each phase
The step of winding the winding start end and the winding end end of the coil on the non-neutral point side terminal and the neutral point side terminal, respectively, and the step of cutting the coil conductor at each winding end end are required. . For example, when winding the three-phase star-connected armature coil as described above, the ends of the first coil and the second coil are wound 12 times and 6 times in total.
It is necessary to perform disconnection twice. Therefore, in the conventional armature coil winding method, the winding work time is long,
There is a problem that the cost of the armature coil becomes high.
【０００７】本発明の目的は、コイル端部の端子への巻
き付け工程の実行回数とコイル導体の切断工程の実行回
数とを少なくして能率よく巻回作業を行うことができる
ようにした回転電機の電機子コイル巻回方法を提供する
ことにある。An object of the present invention is to reduce the number of times of performing a winding process around a terminal at a coil end and the number of times of performing a cutting process of a coil conductor so that a winding work can be efficiently performed. Another object of the present invention is to provide a method for winding an armature coil.
【０００８】[0008]
【課題を解決するための手段】本発明は、各相に割り当
てられた磁極部を複数個ずつ有する多数の磁極部を周方
向に間隔を開けて設けて、該多数の磁極部相互間にそれ
ぞれ形成された溝をコイル導体挿入用のスロットとした
電機子鉄心を用い、各相に割り当てられた複数の磁極部
に順次単位コイルを巻回して各相の電機子コイルを構成
する工程を繰り返すことにより、星形結線される多相の
電機子コイルを巻回する回転電機の電機子コイル巻回方
法に係わるものであって、各相の電機子コイルは互いに
並列に接続される第１のコイル及び第２のコイルにより
構成されているものとする。SUMMARY OF THE INVENTION According to the present invention, a large number of magnetic pole portions having a plurality of magnetic pole portions assigned to each phase are provided at intervals in the circumferential direction, and the magnetic pole portions are respectively provided between the plurality of magnetic pole portions. Using an armature core with the formed groove as a slot for inserting a coil conductor, repeating the process of sequentially winding unit coils around a plurality of magnetic pole portions assigned to each phase to form an armature coil for each phase. According to the present invention relates to an armature coil winding method of a rotating electric machine for winding a star-connected multi-phase armature coil, wherein the armature coils of each phase are connected in parallel to each other. And a second coil.
【０００９】本発明においては、各相の電機子コイルを
構成する工程で、各相の電機子コイルの中性点側の端部
を巻き始め端部として、所定のスロットをたどりながら
各相に割り当てられた複数の磁極部に順次単位コイルを
巻回して各相の第１のコイルを非中性点側の端部まで巻
回する工程を行った後、コイル導体を切断することなく
該第１のコイルを巻回する際にたどったスロットを逆に
などりながら順次単位コイルを巻回して各相の第２のコ
イルをその中性点側の端部まで巻回する工程を行うこと
により、途中でコイル導体を切断することなく各相の電
機子コイルを連続的に巻回する。In the present invention, in the step of forming the armature coil for each phase, the end on the neutral point side of the armature coil for each phase is set as the winding start end, and each phase is traced to each phase. After performing a step of sequentially winding the unit coils around a plurality of assigned magnetic pole parts and winding the first coil of each phase to the end on the non-neutral point side, the coil conductor is cut without cutting. By performing the process of sequentially winding the unit coils while reversing the slots traced when winding the first coil, and winding the second coil of each phase to the end on the neutral point side. The armature coil of each phase is continuously wound without cutting the coil conductor on the way.
【００１０】本発明ではまた、上記の工程により各相の
電機子コイルの第２のコイルを巻回する工程を行った
後、コイル導体を切断することなく次の相の電機子コイ
ルの第１のコイルを巻回する工程に移行することによ
り、コイル導体を途中で切断することなく全ての相の電
機子コイルを連続的に巻回する。According to the present invention, after the step of winding the second coil of the armature coil of each phase is performed by the above steps, the first phase of the armature coil of the next phase is cut without cutting the coil conductor. By moving to the step of winding the coil, the armature coils of all phases are continuously wound without cutting the coil conductor in the middle.
【００１１】[0011]
【作用】上記のように、各相の電機子コイルを、第１の
コイルの中性点側の端部から巻き始めて非中性点側の端
部まで巻回する行程を行った後、コイル導体を切断する
ことなくそのまま第２のコイルの巻回工程に移行し、該
第２のコイルを中性点側の端部まで巻回するようにする
と、第１のコイルを巻回する工程から第２のコイルを巻
回する工程に移行する際にコイル導体を切断する工程を
行う必要がなくなるだけでなく、第１のコイル及び第２
のコイルの非中性点側の端部は、コイル導体を非中性点
側端子に１回巻き付けるだけで該端子に共通に接続する
ことができる。As described above, the armature coil of each phase is wound from the end on the neutral point side of the first coil to the end on the non-neutral point side, and then the coil is wound. If the second coil is wound without cutting the conductor and the second coil is wound up to the end on the neutral point side, the first coil is wound. Not only is it unnecessary to perform the step of cutting the coil conductor when shifting to the step of winding the second coil, but also the first coil and the second coil
The non-neutral side end of the coil can be commonly connected to the non-neutral side terminal by winding the coil conductor once around the non-neutral side terminal.
【００１２】また、各相の電機子コイルの第２のコイル
を巻回する工程を行った後、コイル導体を切断すること
なく次の相の電機子コイルの第１のコイルを巻回する工
程に移行するようにすると、途中でコイル導体を切断す
ることなく全ての相の電機子コイルを巻回することがで
きるだけでなく、各相の電機子コイルの第２のコイルの
中性点側の端部と次の相の電機子コイルの第１のコイル
の中性点側の端部とを中性点側端子に１回巻き付けるだ
けで接続することができる。After the step of winding the second coil of the armature coil of each phase, the step of winding the first coil of the armature coil of the next phase without cutting the coil conductor. If not, not only can the armature coils of all phases be wound without cutting the coil conductors in the middle, but also the armature coils of each phase can be wound at the neutral point side of the second coil. The end portion and the end portion of the armature coil of the next phase on the neutral point side of the first coil can be connected to each other by winding the neutral point side terminal only once.
【００１３】このように本発明によれば、コイル導体を
切断する工程の回数と、コイル導体を端子に巻き付ける
工程の回数とを少なくすることができるため、電機子コ
イルの巻回に要する時間を短縮することができる。As described above, according to the present invention, the number of steps of cutting the coil conductor and the number of steps of winding the coil conductor around the terminal can be reduced, so that the time required for winding the armature coil can be reduced. It can be shortened.
【００１４】[0014]
【実施例】図１及び図２は本発明の実施例を示したもの
で、図１は３相星形結線される電機子コイルに本発明の
巻回方法を適用した場合の巻線展開図、図２はその結線
図である。これらの図において、図３及び図４と同等の
部分には同一の符号が付してあり、破線で囲む部分は電
気的に互いに接続されていることを表わすものとする。1 and 2 show an embodiment of the present invention. FIG. 1 is a winding development diagram when the winding method of the present invention is applied to an armature coil having a three-phase star connection. 2 is a connection diagram thereof. In these drawings, the same parts as those in FIGS. 3 and 4 are designated by the same reference numerals, and the parts surrounded by broken lines represent that they are electrically connected to each other.
【００１５】図１及び図２において、Ｕ相，Ｖ相及びＷ
相の３相の電機子コイルは星形に結線されている。Ｕ相
の電機子コイルは、電機子鉄心のＵ相に割り当てられた
磁極部Ｕ1 〜Ｕ4 にそれぞれ巻回された単位コイルｕ1
〜ｕ4 からなる第１のコイルと、同じ磁極部Ｕ1 〜Ｕ4
にそれぞれ巻回された別の単位コイルｕ1 ´〜ｕ4 ´か
らなる第２のコイルとにより構成され、Ｖ相の電機子コ
イルは、Ｖ相に割り当てられた磁極部Ｖ1 〜Ｖ4 にそれ
ぞれ巻回された単位コイルｖ1 〜ｖ4 からなる第１のコ
イルと同じ磁極部Ｖ1 〜Ｖ4 にそれぞれ巻回された別の
単位コイルｖ1´〜ｖ4 ´からなる第２のコイルとによ
り構成されている。またＷ相の電機子コイルは、Ｗ相に
割り当てられた磁極部Ｗ1 〜Ｗ4 にそれぞれ巻回された
単位コイルｗ1 〜ｗ4 からなる第１のコイルと、同じ磁
極部Ｗ1 〜Ｗ4 にそれぞれ巻回された別の単位コイルｗ
1 ´〜ｗ4 ´からなる第２のコイルとにより構成されて
いる。電機子鉄心の各相に割り当てられた磁極部はＵ1
，Ｖ1 ，Ｗ1 ，Ｕ2 ，Ｖ2，Ｗ2 ，Ｕ3 ，Ｖ3 ，Ｗ3 ，
Ｕ4 ，Ｖ4 ，Ｗ4 の順で周方向に等間隔を開けて並ぶよ
うに配置され、これらの磁極部相互間にそれぞれ形成さ
れた溝がコイル導体挿入用スロットとして用いられてい
る。1 and 2, the U phase, V phase and W phase
The three-phase armature coils of the phases are connected in a star shape. The U-phase armature coil is a unit coil u1 wound around each of the magnetic pole parts U1 to U4 assigned to the U-phase of the armature core.
The same magnetic pole portions U1 to U4 as the first coil composed of
And a second coil consisting of separate unit coils u1 'to u4' respectively wound around the V-phase armature coil, and the V-phase armature coil is wound around the magnetic pole portions V1 to V4 assigned to the V-phase, respectively. And a second coil composed of different unit coils v1 'to v4' respectively wound around the same magnetic pole parts V1 to V4. The W-phase armature coil is wound around the same magnetic poles W1 to W4 as the first coil consisting of the unit coils w1 to w4 wound around the magnetic poles W1 to W4 assigned to the W phase, respectively. Another unit coil w
The second coil is composed of 1'-w4 '. The magnetic poles assigned to each phase of the armature core are U1
, V1, W1, U2, V2, W2, U3, V3, W3,
U4, V4, and W4 are arranged in this order so as to be lined up at equal intervals in the circumferential direction, and the grooves formed between these magnetic pole portions are used as coil conductor insertion slots.
【００１６】本実施例の巻回方法では、先ずＵ相の電機
子コイルの第１のコイルの中性点側の端部Ｕb を中性点
側端子Ｔn に巻き付け、該中性点側の端部Ｕb を巻き始
め端部として、図示の矢印方向に沿って所定のスロット
をたどりながらＵ相に割り当てられた磁極部Ｕ4 ，Ｕ3
，Ｕ2 及びＵ1 に順次単位コイルｕ4 ，ｕ3 ｕ2 及び
ｕ1 を巻回してＵ相の第１のコイルを非中性点側の端部
Ｕa まで巻回する工程を行い、該非中性点側の端部Ｕa
のコイル導体を非中性点側端子Ｔu に巻き付ける。その
後非中性点側端部でコイル導体を切断することなく折り
返して、折り返した部分を第２のコイルの巻き始め端部
Ｕa ´とし、第１のコイルを巻回する際にたどったスロ
ットを逆にたどりながら、Ｕ相の磁極部Ｕ1 ，Ｕ2 ，Ｕ
3 及びＵ4に順次単位コイルｕ1 ´，ｕ2 ´，ｕ3 ´，
及びｕ4 ´を巻回してＵ相の第２のコイルを中性点側の
端部Ｕb ´まで巻回する工程を行って、該中性点側端部
Ｕb´のコイル導体を中性点側端子Ｔn に巻き付ける。
これら第１のコイルｕ1 〜ｕ4 と第２のコイルｕ1 ´〜
ｕ4 ´とによりＵ相の電機子コイルを構成する。In the winding method of the present embodiment, first, the end Ub of the first coil of the U-phase armature coil on the neutral point side is wound around the neutral point side terminal Tn, and the end on the neutral point side is wound. The magnetic pole portions U4 and U3 assigned to the U phase are traced along a predetermined slot along the direction of the arrow with the portion Ub as the winding start end portion.
, U2 and U1 are sequentially wound with unit coils u4, u3 u2 and u1 and the first coil of the U phase is wound up to the end Ua on the non-neutral point side. Department Ua
The coil conductor of is wound around the non-neutral terminal Tu. After that, the coil conductor is folded back at the non-neutral point side end without cutting, and the folded back portion is used as the winding start end portion Ua ′ of the second coil, and the slot traced when winding the first coil is used. On the contrary, U-phase magnetic pole parts U1, U2, U
3 and U4 are sequentially unit coils u1 ', u2', u3 ',
And u4 'are wound to wind the U-phase second coil to the neutral point side end Ub', and the neutral point side end Ub 'is coiled to the neutral point side. Wrap it around terminal Tn.
These first coils u1 to u4 and second coils u1 'to
A u-phase armature coil is constituted by u4 '.
【００１７】Ｕ相の電機子コイルの第２のコイルを巻回
する工程を終った後、コイル導体を切断することなく連
続して次のＶ相の電機子コイルの第１のコイルを巻回す
る工程に移行する。Ｖ相の電機子コイルの第１のコイル
を巻回する行程では、Ｕ相の電機子コイルの中性点側の
端部Ｕb ´から折り返した部分を巻き始め端部Ｖb とし
て、所定のスロットをたどりながらＶ相に割り当てられ
た磁極部Ｖ4 ，Ｖ3 ，Ｖ2 及びＶ1 に順次単位コイルｖ
4 ，ｖ3 ，ｖ2 及びｖ1 を巻回してＶ相の第１のコイル
を非中性点側の端部Ｖa まで巻回する工程を行った後、
該非中性点側端部Ｖa のコイル導体を非中性点側端子Ｔ
v に巻き付ける。続いてコイル導体を切断することなく
折り返して折り返した部分を第２のコイルの巻き始め端
部Ｖa ´とし、第１のコイルを巻回する際にたどったス
ロットを逆になどりながら、Ｖ相の磁極部Ｖ1 ，Ｖ2 ，
Ｖ3 及びＶ4 に順次単位コイルｖ1 ´，ｖ2 ´，ｖ3 ´
及びｖ4 ´を巻回してＶ相の電機子コイルの第２のコイ
ルを中性点側の端部Ｖb ´まで巻回する工程を行った
後、該中性点側端部Ｖb ´のコイル導体を中性点側の端
子Ｔn に巻き付ける。これら第１のコイルｖ1 〜ｖ4 及
び第２のコイルｖ1 ´〜ｖ4 ´によりＶ相の電機子コイ
ルを構成する。After the step of winding the second coil of the U-phase armature coil is completed, the first coil of the next V-phase armature coil is continuously wound without cutting the coil conductor. Shift to the process. In the process of winding the first coil of the V-phase armature coil, a portion folded back from the neutral point side end Ub ′ of the U-phase armature coil is used as a winding start end Vb and a predetermined slot is formed. While tracing, the magnetic pole parts V4, V3, V2, and V1 assigned to the V phase are sequentially unit coil v
After the step of winding 4, v3, v2, and v1 and winding the first coil of the V phase to the end Va on the non-neutral point side,
The coil conductor of the non-neutral side end Va is connected to the non-neutral side terminal T
Wrap around v. Subsequently, the coil conductor is folded back without being cut, and the folded back portion is used as the winding start end portion Va ′ of the second coil, and the slot traced when winding the first coil is reversed and the V phase is reversed. Magnetic pole parts V1, V2,
Unit coils v1 ', v2', v3 'are sequentially applied to V3 and V4.
And v4 'are wound to wind the second coil of the V-phase armature coil to the end point Vb' on the neutral point side, and then the coil conductor on the end point Vb 'on the neutral point side. Is wound around the terminal Tn on the neutral point side. The first coils v1 to v4 and the second coils v1 'to v4' constitute a V-phase armature coil.
【００１８】Ｖ相の電機子コイルの第２のコイルを巻回
する工程を終った後、コイル導体を切断することなく連
続して次のＷ相の電機子コイルの第１のコイルを巻回す
る工程に移行する。Ｗ相の電機子コイルの第１のコイル
を巻回する行程では、Ｖ相の電機子コイルの中性点側端
部Ｖb ´から折り返した部分を巻き始め端部Ｗb とし
て、所定のスロットをたどりながらＷ相に割り当てられ
た磁極部Ｗ4 ，Ｗ3 ，Ｗ2 及びＷ1 に順次単位コイルｗ
4 ，ｗ3 ，ｗ2 及びｗ1 を巻回してＷ相の第１のコイル
を非中性点側の端部Ｗa まで巻回する工程を行った後、
該端部Ｗa のコイル導体を非中性点側端子Ｔw に巻き付
ける。続いてコイル導体を切断することなく折り返して
折り返した部分を巻き始め端部Ｗa ´とし、第１のコイ
ルを巻回する際にたどったスロットを逆にたどりなが
ら、Ｗ相の磁極部Ｗ1 ，Ｗ2 ，Ｗ3 及びＷ4 に順次単位
コイルｗ1 ´，ｗ2 ´，ｗ3 ´及びｗ4 ´を巻回してＷ
相の電機子コイルの第２のコイルを中性点側の端部ｗb
´まで巻回する工程を行った後、該中性点側の端部Ｗb
´のコイル導体を中性点側端子Ｔn に巻き付ける。これ
ら第１のコイルｗ1 〜ｗ4 及び第２のコイルｗ1 ´〜ｗ
4 ´によりＷ相の電機子コイルを構成する。Ｕ，Ｖ，Ｗ
３相の電機子コイルを巻回する工程を全て終了した後に
コイル導体を切断し、中性点側端子及び各非中性点側端
子に巻き付けられたコイル導体をそれぞれの端子に半田
付けしてコイル導体と各端子との電気的接続を確実にす
る。After the step of winding the second coil of the V-phase armature coil is completed, the first coil of the next W-phase armature coil is continuously wound without cutting the coil conductor. Shift to the process. In the process of winding the first coil of the W-phase armature coil, the portion folded back from the neutral point side end Vb 'of the V-phase armature coil is taken as the winding start end Wb, and a predetermined slot is traced. However, the unit coils w are sequentially arranged in the magnetic pole parts W4, W3, W2 and W1 assigned to the W phase.
After the step of winding 4, w3, w2, and w1 and winding the W-phase first coil to the end Wa on the non-neutral point side,
The coil conductor of the end portion Wa is wound around the non-neutral point side terminal Tw. Subsequently, the coil conductor is folded back without being cut, and the folded back portion is used as the winding start end portion Wa ', and the slots traced when winding the first coil are traced in the reverse direction, and the magnetic pole portions W1 and W2 of the W phase are wound. , W3 and W4 are sequentially wound with unit coils w1 ', w2', w3 'and w4'.
The second coil of the phase armature coil is connected to the end point wb on the neutral point side.
After performing the step of winding up to ′, the end Wb on the neutral point side
The coil conductor of 'is wound around the neutral point side terminal Tn. These first coils w1 to w4 and second coils w1 'to w
The 4'constitutes a W-phase armature coil. U, V, W
After completing all the steps of winding the three-phase armature coil, the coil conductor is cut, and the coil conductor wound around the neutral point side terminal and each non-neutral point side terminal is soldered to each terminal. Ensure the electrical connection between the coil conductor and each terminal.
【００１９】上記の実施例では、星形結線される３相の
電機子コイルを全て連続的に巻回するため、コイル導体
を切断する工程は、全ての相の電機子コイルの巻回が終
了したところで１回だけ行えばよい。また３相の電機子
コイルの場合、コイル導体を端子に巻き付ける工程は７
回だけ行えばよい。In the above-described embodiment, since all the three-phase armature coils that are star-connected are continuously wound, in the step of cutting the coil conductor, the winding of all the armature coils is completed. You only have to do it once. For a three-phase armature coil, the process of winding the coil conductor around the terminal is 7
You only have to do it once.
【００２０】なお、上記の実施例では、中性点側端子を
１個だけ設けて、最初に巻回する相の電機子コイルの第
１のコイルの中性点側端部のコイル導体と、全ての相の
電機子コイルの第２のコイルの中性点側端部のコイル導
体とを全て該１個の中性点側端子に巻き付けるようにし
たが、互いに電気的に接続された複数個（例えば３個）
の中性点側端子を設けて、該複数個の端子に複数のコイ
ルの中性点側端部のコイル導体を分けて巻き付けるよう
にしてもよい。In the above embodiment, only one neutral point side terminal is provided, and the coil conductor at the neutral point side end of the first coil of the armature coil of the first winding phase, All of the coil conductors of the second coil of the armature coils of all phases and the neutral point side end portion are wound around the one neutral point side terminal, but a plurality of electrically connected mutually (Eg 3 pieces)
The neutral point side terminals may be provided, and the coil conductors of the neutral point side end portions of the plurality of coils may be separately wound around the plurality of terminals.
【００２１】図３は、上記実施例により得られた電機子
コイルを有する電機子を用いて構成された回転電機の一
例として、アウターロータ形のブラシレス直流電動機の
構造を示したものである。同図において、１は電機子鉄
心２に電機子コイル３が巻回されてなる電機子で、電機
子鉄心２に一体に成型された樹脂からなる端子台４に中
性点側端子５（前述のＴn に相当する。）と図示しない
３個の非中性点側端子とが固定されている。電機子１は
固定子台６に設けられたボス部６ａに固定されている。
固定子台６の軸線方向の一端側にはフランジ部６ｂが設
けられていて、該フランジ部６ｂにプリント基板７が取
り付けられている。プリント基板７には図示しない駆動
回路の構成部品が装着されている。電機子コイル３の非
中性点側の端子はプリント基板７のプリント回路に接続
されている（図示せず）。８は磁石回転子で、該磁石回
転子はカップ状の回転子９の周壁部の内周に永久磁石界
磁１０を取り付けたものからなり、回転子９の底壁部の
中央に固定された回転軸１１が軸受１２及び１３により
固定子台のボス部６ａに支持されている。FIG. 3 shows the structure of an outer rotor type brushless DC electric motor as an example of a rotary electric machine constituted by using the armature having the armature coils obtained in the above embodiment. In FIG. 1, reference numeral 1 denotes an armature in which an armature coil 3 is wound around an armature core 2, and a terminal block 4 made of resin integrally molded with the armature core 2 has a neutral point side terminal 5 (described above). Corresponding to Tn) and three non-neutral point side terminals (not shown) are fixed. The armature 1 is fixed to a boss portion 6 a provided on the stator base 6.
A flange portion 6b is provided on one end side of the stator base 6 in the axial direction, and a printed circuit board 7 is attached to the flange portion 6b. The printed circuit board 7 is mounted with components of a drive circuit (not shown). The non-neutral side terminal of the armature coil 3 is connected to the printed circuit of the printed circuit board 7 (not shown). Reference numeral 8 denotes a magnet rotor, which is formed by attaching a permanent magnet field 10 to the inner circumference of the peripheral wall of a cup-shaped rotor 9 and is fixed to the center of the bottom wall of the rotor 9. The rotating shaft 11 is supported by the bearings 12 and 13 on the boss portion 6a of the stator base.
【００２２】上記の実施例では、星形結線される３相の
電機子コイルを例にとったが、本発明は、一般に各相の
電機子コイは互いに並列接続される第１のコイル及び第
２のコイルにより構成されるｎ相（ｎは２以上の整数）
の電機子コイルを備えて、該ｎ相の電機子コイルが星形
結線される回転電機用電機子コイルを巻回する方法に適
用することができる。本発明の方法により、ｎ相の電機
子コイルを巻回する場合、コイル導体を中性点側端子及
び非中性点側端子に巻き付ける工程を行う回数は全部で
（２ｎ＋１）回でよい。In the above embodiment, the star-connected three-phase armature coil is taken as an example, but in the present invention, in general, the armature carps of each phase are connected in parallel with each other in the first coil and the first coil. N phases composed of 2 coils (n is an integer of 2 or more)
The present invention can be applied to a method of winding an armature coil for a rotating electric machine, which comprises the armature coil of No. 1, and in which the n-phase armature coil is star-connected. When the n-phase armature coil is wound by the method of the present invention, the number of times of winding the coil conductor around the neutral point side terminal and the non-neutral point side terminal may be (2n + 1) times.
【００２３】[0023]
【発明の効果】以上のように、本発明によれば、第１及
び第２のコイルからなる各相の電機子コイルを、第１の
コイルの中性点側の端部から巻き始めて非中性点側の端
部まで巻回したところでコイル導体を切断することなく
第２のコイルの巻回工程に移行し、該第２のコイルを中
性点側の端部まで巻回するようにしたので、途中でコイ
ル導体を切断することなく各相の電機子コイルを巻回す
ることができ、電機子コイルの巻回作業を能率よく行う
ことができる。As described above, according to the present invention, the armature coil of each phase consisting of the first and second coils is wound from the end on the neutral point side of the first coil to the non-intermediate position. After winding to the end on the side of the sex point, the process moves to the winding step of the second coil without cutting the coil conductor, and the second coil is wound to the end on the side of the neutral point. Therefore, the armature coil of each phase can be wound without cutting the coil conductor on the way, and the winding work of the armature coil can be efficiently performed.
【００２４】特に請求項２に記載した発明によれば、各
相の電機子コイルを巻回する工程を行った後、コイル導
体を切断することなく次の相の電機子コイルを連続的に
巻回することができ、しかも、各相の電機子コイルの中
性点側の端部及び非中性点側の端部のコイル導体をそれ
ぞれ中性点側端子及び非中性点側端子に巻き付ける工程
を行う回数を少なくすることができるため、電機子コイ
ルの巻回作業能率を大幅に向上させることができる。In particular, according to the second aspect of the invention, after performing the step of winding the armature coil of each phase, the armature coil of the next phase is continuously wound without cutting the coil conductor. The coil conductors of the armature coil of each phase that can be turned and that are on the neutral point side and the non-neutral point side are wound around the neutral point side terminal and the non-neutral point side terminal, respectively. Since the number of steps to be performed can be reduced, the winding work efficiency of the armature coil can be significantly improved.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明の実施例の巻回方法を説明するための巻
線展開図である。FIG. 1 is a winding development diagram for explaining a winding method according to an embodiment of the present invention.
【図２】本発明の実施例により巻回された電機子コイル
の結線図である。FIG. 2 is a connection diagram of an armature coil wound according to an embodiment of the present invention.
【図３】図１の実施例により得られた電機子コイルを有
する電機子を用いた回転電機の一例を示した断面図であ
る。FIG. 3 is a cross-sectional view showing an example of a rotary electric machine using an armature having an armature coil obtained by the embodiment of FIG.
【図４】従来の巻回方法を説明するための巻線展開図で
ある。FIG. 4 is a development view of windings for explaining a conventional winding method.
【図５】図４の方法により巻回された電機子コイルの結
線図である。5 is a connection diagram of an armature coil wound by the method of FIG.
Ｕ1 〜Ｕ4 Ｕ相の磁極部 Ｖ1 〜Ｖ4 Ｖ相の磁極部 Ｗ1 〜Ｗ4 Ｗ相の磁極部 ｕ1 〜ｕ4 Ｕ相の電機子コイルの第１のコイルの単位
コイル ｕ1 ´〜ｕ4 ´ Ｕ相の電機子コイルの第２のコイルの
単位コイル ｖ1 〜ｖ4 Ｖ相の電機子コイルの第１のコイルの単位
コイル ｖ1 ´〜ｖ4 ´Ｖ相の電機子コイルの第２のコイルの単
位コイル ｗ1 〜ｗ4 Ｗ相の電機子コイルの第１のコイルの単位
コイル ｗ1 ´〜ｗ4 ´ Ｗ相の電機子コイルの第２のコイルの
単位コイル Ｔu Ｕ相の非中性点側端子 Ｔv Ｖ相の非中性点側端子 Ｔw Ｗ相の非中性点側端子 Ｔn 中性点側端子 １ 電機子 ２ 電機子鉄心 ３ 電機子コイル ５ 中性点側端子 ８ 磁石回転子U1 to U4 U-phase magnetic pole part V1 to V4 V-phase magnetic pole part W1 to W4 W-phase magnetic pole part u1 to u4 U-phase armature coil first coil unit coil u1 'to u4' U-phase electric machine Unit coil of the second coil of the child coil v1 to v4 Unit coil of the first coil of the V-phase armature coil v1 'to v4' Unit coil of the second coil of the V-phase armature coil w1 to w4 W Unit coil of the first coil of the phase armature coil w1 'to w4' Unit coil of the second coil of the W phase armature coil Tu Non-neutral side terminal of the U phase Tv Non-neutral point of the V phase Side terminal Tw W-phase non-neutral side terminal Tn Neutral side terminal 1 Armature 2 Armature iron core 3 Armature coil 5 Neutral side terminal 8 Magnet rotor
Claims (2)
つ有する多数の磁極部を周方向に間隔を開けて設けて、
該多数の磁極部相互間にそれぞれ形成された溝をコイル
導体挿入用のスロットとした電機子鉄心を用い、各相に
割り当てられた複数の磁極部に順次単位コイルを巻回し
て各相の電機子コイルを構成する工程を繰り返すことに
より、星形結線される多相の電機子コイルを巻回する回
転電機の電機子コイル巻回方法であって、 各相の電機子コイルは互いに並列に接続される第１のコ
イル及び第２のコイルにより構成するものとし、 各相の電機子コイルを構成する工程では、各相の電機子
コイルの中性点側の端部を巻き始め端部として、所定の
スロットをたどりながら各相に割り当てられた複数の磁
極部に順次単位コイルを巻回して各相の第１のコイルを
非中性点側の端部まで巻回する工程を行った後、コイル
導体を切断することなく該第１のコイルを巻回する際に
たどったスロットを逆にたどりながら順次単位コイルを
巻回して各相の第２のコイルをその中性点側の端部まで
巻回する工程を行うことを特徴とする回転電機の電機子
コイル巻回方法。1. A large number of magnetic pole portions having a plurality of magnetic pole portions assigned to each phase are provided at intervals in the circumferential direction,
An armature core having grooves formed between the large number of magnetic pole portions as slots for inserting coil conductors is used, and a unit coil is sequentially wound around a plurality of magnetic pole portions assigned to each phase to form an electric machine for each phase. A method for winding an armature coil of a rotating electric machine, in which a multi-phase armature coil is star-connected by repeating a process of forming a child coil, wherein the armature coils of each phase are connected in parallel with each other. In the step of forming the armature coil for each phase, the end on the neutral point side of the armature coil for each phase is used as the winding start end, After performing a step of winding the unit coils sequentially around a plurality of magnetic pole portions allocated to each phase while tracing a predetermined slot and winding the first coil of each phase to the end on the non-neutral point side, The first coil is cut without cutting the coil conductor. It is characterized in that the step of winding the unit coil sequentially while tracing the slot traced when winding the coil and winding the second coil of each phase to the end on the neutral point side is performed. Method for winding armature coil of rotating electric machine.
つ有する多数の磁極部を周方向に間隔を開けて設けて、
該多数の磁極部相互間にそれぞれ形成された溝をコイル
導体挿入用のスロットとした電機子鉄心を用い、各相に
割り当てられた複数の磁極部に順次単位コイルを巻回し
て各相の電機子コイルを構成する工程を繰り返すことに
より、星形結線される多相の電機子コイルを巻回する回
転電機の電機子コイル巻回方法であって、 各相の電機子コイルは互いに並列に接続される第１のコ
イル及び第２のコイルにより構成するものとし、 各相の電機子コイルを構成する工程では、各相の電機子
コイルの中性点側の端部を巻き始め端部として、所定の
スロットをたどりながら各相に割り当てられた複数の磁
極部に順次単位コイルを巻回することにより各相の第１
のコイルを非中性点側の端部まで巻回する工程を行った
後、コイル導体を切断することなく該第１のコイルを巻
回する際にたどったスロットを逆にたどりながら順次単
位コイルを巻回して各相の第２のコイルを中性点側の端
部まで巻回する工程を行い、 各相の電機子コイルの第２のコイルを巻回する工程を行
った後、次の相の電機子コイルの第１のコイルを巻回す
る工程に移行することにより、コイル導体を途中で切断
することなく全ての相の電機子コイルを連続的に巻回す
ることを特徴とする回転電機の電機子コイル巻回方法。2. A plurality of magnetic pole portions having a plurality of magnetic pole portions assigned to each phase are provided at intervals in the circumferential direction,
An armature core having grooves formed between the large number of magnetic pole portions as slots for inserting coil conductors is used, and a unit coil is sequentially wound around a plurality of magnetic pole portions assigned to each phase to form an electric machine for each phase. A method for winding an armature coil of a rotating electric machine, in which a multi-phase armature coil is star-connected by repeating a process of forming a child coil, wherein the armature coils of each phase are connected in parallel with each other. In the step of forming the armature coil for each phase, the end on the neutral point side of the armature coil for each phase is used as the winding start end, The first unit of each phase is obtained by sequentially winding the unit coil around a plurality of magnetic poles assigned to each phase while tracing a predetermined slot.
Unit coil is wound up to the end on the non-neutral side, and then the unit coil is sequentially traced in reverse while tracing the slot traced when winding the first coil without cutting the coil conductor. Is performed to wind the second coil of each phase to the end on the neutral point side, and the step of winding the second coil of the armature coil of each phase is performed. By rotating to the step of winding the first coil of the armature coils of the phases, the armature coils of all phases are continuously wound without cutting the coil conductor in the middle. Method of winding armature coil of electric machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32214694A JPH08182236A (en) | 1994-12-26 | 1994-12-26 | Winding method of armature coil for electric rotating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32214694A JPH08182236A (en) | 1994-12-26 | 1994-12-26 | Winding method of armature coil for electric rotating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08182236A true JPH08182236A (en) | 1996-07-12 |
Family
ID=18140448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32214694A Withdrawn JPH08182236A (en) | 1994-12-26 | 1994-12-26 | Winding method of armature coil for electric rotating machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08182236A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10336934A (en) * | 1997-06-05 | 1998-12-18 | Sanyo Denki Co Ltd | Stator for rotary electric machine and its manufacture |
| JP2001161049A (en) * | 1999-11-29 | 2001-06-12 | Namiki Precision Jewel Co Ltd | Winding method of y-connection coil of miniature motor |
| JP2001197696A (en) * | 2000-01-14 | 2001-07-19 | Mitsubishi Electric Corp | Rotary electric machine and manufacturing method therefor |
| WO2005034307A1 (en) * | 2003-09-30 | 2005-04-14 | Valeo Thermal Systems Japan Corporation | Electromagnetic motor |
| WO2008043534A1 (en) | 2006-10-14 | 2008-04-17 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Electric motor |
| JP2009027829A (en) * | 2007-07-19 | 2009-02-05 | Mitsuba Corp | Electric motor and coil winding method of electric motor |
| JP2010063233A (en) * | 2008-09-02 | 2010-03-18 | Mitsuba Corp | Rotating electrical machine |
| JP4456173B1 (en) * | 2009-09-02 | 2010-04-28 | 三工機器株式会社 | Electric motor stator and manufacturing method thereof |
| JP2011030406A (en) * | 2009-06-24 | 2011-02-10 | Denso Corp | Motor |
| JP2011135682A (en) * | 2009-12-24 | 2011-07-07 | Okuma Corp | Multi-turn angle sensor |
| JP2015130721A (en) * | 2014-01-06 | 2015-07-16 | 三菱電機株式会社 | Stator of electric motor, electric motor for air blower and air conditioner |
| WO2023140071A1 (en) * | 2022-01-20 | 2023-07-27 | Ntn株式会社 | Motor stator and motor provided with same |
-
1994
- 1994-12-26 JP JP32214694A patent/JPH08182236A/en not_active Withdrawn
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10336934A (en) * | 1997-06-05 | 1998-12-18 | Sanyo Denki Co Ltd | Stator for rotary electric machine and its manufacture |
| JP2001161049A (en) * | 1999-11-29 | 2001-06-12 | Namiki Precision Jewel Co Ltd | Winding method of y-connection coil of miniature motor |
| JP4567133B2 (en) * | 2000-01-14 | 2010-10-20 | 三菱電機株式会社 | Rotating electric machine and manufacturing method thereof |
| JP2001197696A (en) * | 2000-01-14 | 2001-07-19 | Mitsubishi Electric Corp | Rotary electric machine and manufacturing method therefor |
| WO2005034307A1 (en) * | 2003-09-30 | 2005-04-14 | Valeo Thermal Systems Japan Corporation | Electromagnetic motor |
| WO2008043534A1 (en) | 2006-10-14 | 2008-04-17 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Electric motor |
| US8143752B2 (en) | 2006-10-14 | 2012-03-27 | Ebm-Papst St. Georgen Gmbh & Co. | Electric motor having electrical connecting elements for connection to winding leads |
| JP2009027829A (en) * | 2007-07-19 | 2009-02-05 | Mitsuba Corp | Electric motor and coil winding method of electric motor |
| JP2010063233A (en) * | 2008-09-02 | 2010-03-18 | Mitsuba Corp | Rotating electrical machine |
| JP2011030406A (en) * | 2009-06-24 | 2011-02-10 | Denso Corp | Motor |
| JP2011055653A (en) * | 2009-09-02 | 2011-03-17 | Sanko Kiki Co Ltd | Electric motor stator, and method for manufacturing the same |
| JP4456173B1 (en) * | 2009-09-02 | 2010-04-28 | 三工機器株式会社 | Electric motor stator and manufacturing method thereof |
| JP2011135682A (en) * | 2009-12-24 | 2011-07-07 | Okuma Corp | Multi-turn angle sensor |
| JP2015130721A (en) * | 2014-01-06 | 2015-07-16 | 三菱電機株式会社 | Stator of electric motor, electric motor for air blower and air conditioner |
| WO2023140071A1 (en) * | 2022-01-20 | 2023-07-27 | Ntn株式会社 | Motor stator and motor provided with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20020305 |