JP2000166193A - Coil winding method - Google Patents
Coil winding methodInfo
- Publication number
- JP2000166193A JP2000166193A JP10340228A JP34022898A JP2000166193A JP 2000166193 A JP2000166193 A JP 2000166193A JP 10340228 A JP10340228 A JP 10340228A JP 34022898 A JP34022898 A JP 34022898A JP 2000166193 A JP2000166193 A JP 2000166193A
- Authority
- JP
- Japan
- Prior art keywords
- winding
- teeth
- coil
- magnet wire
- wire
- 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
Landscapes
- Windings For Motors And Generators (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はティースにマグネッ
トワイヤを巻回してコイルを形成するコイルの巻回方法
に関する。The present invention relates to a coil winding method for forming a coil by winding a magnet wire around a tooth.
【０００２】[0002]
【発明が解決しようとする課題】図９はステータコアの
ティース１にコイル２を巻回する従来方法を示すもので
ある。このコイル２は、矢印で示すように、マグネット
ワイヤの巻回方向を層毎に反転させることに基づいて俵
形状に積上げられており、コイル２の巻回始端部および
巻回終端部は同一のヨーク３側に位置している。この巻
回方法の場合、コイル２が奇数層に積上げられている
と、コイル２の巻回終端部がヨーク３の反対側に位置す
る。このため、巻回終端部の処理が困難になるので、コ
イル２を奇数層に巻回できない。FIG. 9 shows a conventional method of winding a coil 2 around a tooth 1 of a stator core. The coils 2 are stacked in a bale shape based on reversing the winding direction of the magnet wire for each layer as indicated by arrows, and the winding start end and the winding end of the coil 2 are the same. It is located on the yoke 3 side. In the case of this winding method, when the coil 2 is stacked on the odd-numbered layer, the winding end portion of the coil 2 is located on the opposite side of the yoke 3. For this reason, it becomes difficult to process the winding end portion, so that the coil 2 cannot be wound in an odd-numbered layer.
【０００３】本発明は上記事情に鑑みてなされたもので
あり、その目的は、コイルを奇数層に巻回する場合にコ
イルの両端末部を同一側に配置できるコイルの巻回方法
を提供することにある。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a method of winding a coil in which both ends of the coil can be arranged on the same side when the coil is wound in an odd layer. It is in.
【０００４】[0004]
【課題を解決するための手段】請求項１記載のコイルの
巻回方法は、ティースにマグネットワイヤを層毎に巻回
方向を反転させながら巻付けることに基づいてコイルを
巻回する方法において、マグネットワイヤをティースに
沿う一方向へ巻進めるときに線径の略２倍のピッチで移
動させる第１の工程と、前記マグネットワイヤを前記テ
ィースに沿う反対方向へ巻進めるときに前記ティースに
沿う方向に隣接するマグネットワイヤ相互間の隙間に挿
入する第２の工程とを備えたところに特徴を有してい
る。上記手段によれば、マグネットワイヤを奇数層に積
上げるときに所定層を第１の工程および第２の工程によ
って巻回すると、コイルの巻回始端部および巻回終端部
が同一側に配置されるので、巻回始端部および巻回終端
部の処理が容易になる。According to a first aspect of the present invention, there is provided a method of winding a coil based on winding a magnet wire around teeth while reversing a winding direction for each layer. A first step of moving the magnet wire at a pitch substantially twice the wire diameter when winding the magnet wire in one direction along the teeth, and a direction along the teeth when winding the magnet wire in the opposite direction along the teeth; And a second step of inserting into a gap between adjacent magnet wires. According to the above means, when the predetermined layer is wound by the first step and the second step when the magnet wires are stacked on the odd number layers, the winding start end and the winding end are arranged on the same side. This facilitates the processing of the winding start end and the winding end.
【０００５】請求項２記載のコイルの巻回方法は、最上
の奇数層を巻回するときに第１の工程および第２の工程
を施すところに特徴を有している。上記手段によれば、
マグネットワイヤの巻回方向が反転する部分の上にマグ
ネットワイヤが積上げられることがなくなる。このた
め、マグネットワイヤの挙動が巻回時に安定するので、
マグネットワイヤの巻回作業性が向上する。[0005] A coil winding method according to a second aspect is characterized in that the first step and the second step are performed when the uppermost odd-numbered layer is wound. According to the above means,
The magnet wire is not stacked on the portion where the winding direction of the magnet wire is reversed. For this reason, the behavior of the magnet wire becomes stable during winding,
The workability of winding the magnet wire is improved.
【０００６】請求項３記載のコイルの巻回方法は、ティ
ースの内周部にマグネットワイヤを第１の工程および第
２の工程によって巻回し、前記ティースの外周部に内周
部より多層な多層巻部を形成するところに特徴を有して
いる。上記手段によれば、スロットの空間形状が多層巻
部によって有効的に利用される。このため、スロット内
にデッドスペースが少なくなるので、コイルのスロット
占積率が高まる。According to a third aspect of the present invention, in the coil winding method, a magnet wire is wound around an inner peripheral portion of the tooth by a first step and a second step, and the outer peripheral portion of the tooth is multilayered more than the inner peripheral portion. The feature is that the winding portion is formed. According to the above means, the spatial shape of the slot is effectively used by the multilayer winding portion. Therefore, the dead space in the slot is reduced, and the slot space factor of the coil is increased.
【０００７】請求項４記載のコイルの巻回方法は、ティ
ースの延び方向に指向する一端部にワイヤ収納部を有す
る絶縁層が形成されたティースを用い、マグネットワイ
ヤを前記ティースの延び方向に指向する他端部から前記
ワイヤ収納部内に巻付けた後、前記絶縁層に巻回方向を
層毎に反転させながら巻付けるところに特徴を有してい
る。上記手段によれば、コイルを奇数層に巻回する場合
に巻回始端部および巻回終端部が同一側に配置されるの
で、巻回始端部および巻回終端部の処理が容易になる。
しかも、ワイヤ収納部内にマグネットワイヤを巻付ける
ことに基づいてコイルの総巻回数を調節できる。According to a fourth aspect of the present invention, there is provided a coil winding method, wherein a tooth having an insulating layer having a wire storage portion formed at one end directed in the direction in which the tooth extends is used, and the magnet wire is directed in the direction in which the tooth extends. After being wound into the wire storage portion from the other end portion, the winding direction is reversed on the insulating layer for each layer. According to the above means, when the coil is wound on the odd-numbered layer, the winding start end and the winding end are arranged on the same side, so that the processing of the winding start and the winding end is facilitated.
In addition, the total number of turns of the coil can be adjusted based on the winding of the magnet wire in the wire housing.
【０００８】請求項５記載のコイルの巻回方法は、マグ
ネットワイヤをティースのうちスロットの形成に寄与し
ない一端面でターン間がクロスするように巻回するとこ
ろに特徴を有している。上記手段によれば、コイルがス
ロット内で膨らむことが防止されるので、コイルのスロ
ット占積率が高まる。According to a fifth aspect of the present invention, the coil winding method is characterized in that the magnet wire is wound so that the turns cross each other at one end face of the teeth which does not contribute to the formation of the slot. According to the above means, since the coil is prevented from expanding in the slot, the slot space factor of the coil is increased.
【０００９】請求項６記載のコイルの巻回方法は、ティ
ースのうちマグネットワイヤのターン間がクロスする一
端面に凹部を設けるところに特徴を有している。上記手
段によれば、マグネットワイヤの膨らみが巻回時に凹部
によって吸収されるので、マグネットワイヤの膨らみ量
が少なくなる。The coil winding method according to claim 6 is characterized in that a concave portion is provided on one end surface of the teeth where the turns of the magnet wire cross. According to the above means, since the bulge of the magnet wire is absorbed by the concave portion during winding, the bulge amount of the magnet wire is reduced.
【００１０】請求項７記載のコイルの巻回方法は、マグ
ネットワイヤを複数のティースに連続的に巻回するとこ
ろに特徴を有している。上記手段によれば、マグネット
ワイヤのうちティース相互間を繋ぐ複数の渡り部分が同
一側に配置されるので、渡り部分の処理が容易になる。A coil winding method according to claim 7 is characterized in that a magnet wire is continuously wound around a plurality of teeth. According to the above-described means, since the plurality of transition portions connecting the teeth among the magnet wires are arranged on the same side, the processing of the transition portions is facilitated.
【００１１】[0011]
【発明の実施の形態】以下、本発明の第１実施例を図１
ないし図４に基づいて説明する。尚、本実施例は洗濯機
のパルセータおよび洗濯槽を回転駆動するアウタロータ
形３相ＤＣブラシレスモータに本発明を適用したもので
ある。まず、図３において、ステータコア１１は複数枚
の鋼板を軸方向に積層することに基づいて形成されたも
のであり、円筒状をなすヨーク１２と略Ｔ字状をなす３
６本のティース１３とを有している。また、ステータコ
ア１１には３６個のスロット１４が形成されている。こ
れら各スロット１４は周方向に隣接するティース１３間
の空間部を称するするものであり、外周部が開口する扇
形状をなしている。FIG. 1 shows a first embodiment of the present invention.
A description will be given with reference to FIG. In this embodiment, the present invention is applied to an outer rotor type three-phase DC brushless motor for rotating a pulsator and a washing tub of a washing machine. First, in FIG. 3, the stator core 11 is formed by stacking a plurality of steel plates in the axial direction, and is substantially T-shaped with the yoke 12 having a cylindrical shape.
It has six teeth 13. Further, 36 slots 14 are formed in the stator core 11. Each of the slots 14 refers to a space between the teeth 13 adjacent in the circumferential direction, and has a fan shape with an outer peripheral portion opened.
【００１２】ステータコア１１の表面には、図４に示す
ように、合成樹脂製の絶縁層１５が形成されており、ス
テータコア１１の表面は各ティース１３の外周部を除い
て絶縁層１５により覆われている。この絶縁層１５はス
テータコア１１を成形型内に収納した状態で溶融樹脂を
注入することに基づいて成形されたものであり、絶縁層
１５の内周部には複数の取付片１６が周方向に等ピッチ
で一体形成され、各取付片１６には軸方向下側からボル
ト１７が挿入されている。As shown in FIG. 4, an insulating layer 15 made of synthetic resin is formed on the surface of the stator core 11, and the surface of the stator core 11 is covered with the insulating layer 15 except for the outer peripheral portions of the teeth 13. ing. The insulating layer 15 is formed by injecting molten resin in a state where the stator core 11 is housed in a molding die, and a plurality of mounting pieces 16 are provided on an inner peripheral portion of the insulating layer 15 in a circumferential direction. Bolts 17 are inserted into each mounting piece 16 from below in the axial direction.
【００１３】ベース１８は上面が開口する容器状をなす
ものであり、各ボルト１７の上端部はベース１８の底板
部を貫通してベース１８内に突出している。これら各ボ
ルト７の上端部にはナット１９が螺合されており、スタ
ータコア１１は各ボルト１７の頭部とナット１９との間
で取付片１６を挟持することに基づいてベース１８に固
定されている。The base 18 is in the form of a container having an open upper surface, and the upper end of each bolt 17 passes through the bottom plate of the base 18 and projects into the base 18. A nut 19 is screwed to the upper end of each of the bolts 7, and the starter core 11 is fixed to a base 18 based on clamping the mounting piece 16 between the head of each of the bolts 17 and the nut 19. ing.
【００１４】ステータコア１１には絶縁層１５の上から
１２個のＵ相コイル２０，１２個のＶ相コイル２１，１
２個のＷ相コイル２２が装着されている。これら１２個
のＵ相コイル２０〜１２個のＷ相コイル２２は各々１本
のマグネットワイヤ２３（図１参照）を１２本のティー
ス１３に連続的に巻回してなるものであり、絶縁層１５
にはティース１３の内周部に位置して複数のピン端子
（図示せず）が固定され、各ピン端子にはマグネットワ
イヤ２３の端末部が巻付けられている。The stator core 11 has twelve U-phase coils 20 and twelve V-phase coils 21, 1 from the insulating layer 15.
Two W-phase coils 22 are mounted. Each of the twelve U-phase coils 20 to 12 W-phase coils 22 is formed by continuously winding one magnet wire 23 (see FIG. 1) around twelve teeth 13.
A plurality of pin terminals (not shown) are fixed on the inner peripheral portion of the teeth 13, and a terminal portion of the magnet wire 23 is wound around each pin terminal.
【００１５】尚、Ｕ相コイル２０〜Ｗ相コイル２２は、
図３の（）内にアルファベットで示すように、時計回り
方向にＵ相コイル２０，Ｖ相コイル２１，Ｗ相コイル２
２の順序で規則正しく配列されている。また、図４の符
号２４はステータコア１１に１２個のＵ相コイル２０〜
１２個のＷ相コイル２２を装着してなるステータを示す
ものである。The U-phase coil 20 to the W-phase coil 22 are
As indicated by the alphabets in parentheses in FIG. 3, the U-phase coil 20, the V-phase coil 21, and the W-phase coil 2
2 are regularly arranged. Reference numeral 24 in FIG. 4 denotes twelve U-phase coils 20 to
This shows a stator having twelve W-phase coils 22 mounted thereon.
【００１６】各Ｕ相コイル２０〜各Ｗ相コイル２２はマ
グネットワイヤ２３をティース１３に巻付ける動作とマ
グネットネットワイヤ２３を径方向に所定ピッチで移動
させる動作とを繰返すことに基づいて疑似的な整列密着
状態に巻回されたものであり、各Ｕ相コイル２０〜各Ｗ
相コイル２２は巻回始端部および巻回終端部が内周側
（ヨーク１２側）に設定され、ティース１３の軸方上端
面（スロット１４の形成に寄与しない上端面）で径方向
に列が変わっている。Each of the U-phase coils 20 to W-phase coils 22 has a pseudo-operation based on repeating the operation of winding the magnet wire 23 around the teeth 13 and the operation of moving the magnet net wire 23 at a predetermined pitch in the radial direction. Each of the U-phase coils 20 to W
In the phase coil 22, the winding start end and the winding end are set on the inner circumferential side (the yoke 12 side), and the rows are arranged radially in the axial upper end surface of the teeth 13 (the upper end surface that does not contribute to the formation of the slot 14). It has changed.
【００１７】図１のマグネットワイヤ２３中の数字はＵ
相コイル２０〜Ｗ相コイル２２の巻回順序を示すもので
あり、以下、Ｕ相コイル２０〜Ｗ相コイル２２の巻回順
序を図１に基づいて説明する。The numbers in the magnet wire 23 in FIG.
The winding order of the phase coil 20 to the W-phase coil 22 is shown. Hereinafter, the winding order of the U-phase coil 20 to the W-phase coil 22 will be described with reference to FIG.
【００１８】（１）マグネットワイヤ２３をティース１
３の最内周部に巻付ける（１ターン目）。この後、矢印
Ａ方向へピッチｄ（＝マグネットワイヤ２３の直径寸
法）で移動させ、ティース１３に巻付ける（２ターン目
〜９ターン目）。(1) Connect the magnet wire 23 to the teeth 1
Wrap around the innermost part of No. 3 (first turn). Thereafter, it is moved in the direction of arrow A at a pitch d (= the diameter of the magnet wire 23) and wound around the teeth 13 (turns 2 to 9).
【００１９】（２）マグネットワイヤ２３を矢印Ｂ方向
へピッチｄ／２だけ移動させ、９ターン目および８ター
ン目間に巻付ける（１０ターン目）。この後、矢印Ｂ方
向へピッチｄで移動させ、ティース１３に巻付ける（１
１ターン目〜１７ターン目）。 （３）マグネットワイヤ２３を矢印Ａ方向へピッチｄ／
２だけ移動させ、１７ターン目および１６ターン目間に
巻付ける（１８ターン目）。この後、矢印Ａ方向へピッ
チ２ｄで移動させ、ティース１３に巻付ける（１９ター
ン目〜２０ターン目）。(2) The magnet wire 23 is moved in the direction of arrow B by a pitch d / 2 and wound between the ninth turn and the eighth turn (10th turn). Thereafter, it is moved at a pitch d in the direction of arrow B and wound around the teeth 13 (1
Turns 1 to 17). (3) The magnet wire 23 is pitched d /
Move by 2 and wind between turns 17 and 16 (turn 18). Thereafter, it is moved in the direction of arrow A at a pitch of 2d and wound around the teeth 13 (turns 19 to 20).
【００２０】（４）マグネットワイヤ２３を矢印Ａ方向
へピッチｄで移動させ、ティース１３に巻付ける（２１
ターン目〜２２ターン目）。この後、矢印Ｂ方向へピッ
チｄ／２だけ移動させ、２２ターン目および２１ターン
目間に巻付ける（２３ターン目）。(4) The magnet wire 23 is moved at a pitch d in the direction of arrow A and wound around the teeth 13 (21).
Turns 22 to 22). Thereafter, it is moved in the direction of arrow B by a pitch d / 2 and wound between turns 22 and 21 (turn 23).
【００２１】（５）マグネットワイヤ２３を矢印Ｂ方向
へピッチｄだけ移動させ、２１ターン目および２０ター
ン目間に巻付ける（２４ターン目）。この後、矢印Ｂ方
向へピッチ３ｄ／２だけ移動させ、２０ターン目および
１９ターン目間の隙間に巻付ける（２５ターン目）。次
に、矢印Ｂ方向へピッチ２ｄだけ移動させ、１９ターン
目および１８ターン目間の隙間に巻付ける（２６ターン
目）。(5) The magnet wire 23 is moved by a pitch d in the direction of arrow B, and wound between turns 21 and 20 (turn 24). Thereafter, it is moved in the direction of arrow B by a pitch of 3d / 2 and wound around the gap between the 20th and 19th turns (25th turn). Next, it is moved by a pitch 2d in the direction of arrow B and wound around the gap between the 19th and 18th turns (26th turn).
【００２２】各Ｕ相コイル２０〜各Ｗ相コイル２２に
は、図２の（ｂ）に示すように、内周部に位置して幅狭
部２５が形成されている。これら各幅狭部２５は図１の
うち層数が３層で周方向の幅寸法が小さな部分を称する
ものであり、各Ｕ相コイル２０〜各Ｗ相コイル２２に
は、図２の（ｂ）に示すように、幅狭部２５の外周部に
位置して幅広部２６が形成されている。これら各幅広部
２６は図１のうち層数が４層で周方向の幅寸法が大きな
部分を称するものであり、多層巻部に相当する。As shown in FIG. 2B, each of the U-phase coils 20 to W-phase coils 22 has a narrow portion 25 located at an inner peripheral portion thereof. Each of these narrow portions 25 refers to a portion having three layers and a small width in the circumferential direction in FIG. 1, and each of the U-phase coil 20 to each W-phase coil 22 includes (b) in FIG. As shown in ()), a wide portion 26 is formed on the outer peripheral portion of the narrow portion 25. Each of the wide portions 26 refers to a portion having four layers and a large circumferential width in FIG. 1 and corresponds to a multilayer winding portion.
【００２３】絶縁層１５には、図４に示すように、ヨー
ク１２の軸方向両端面に位置して複数の内周リブ２７お
よび外周リブ２８が一体形成されている。これら各内周
リブ２７および各外周リブ２８は円弧板状をなすもので
あり、周方向に対向する内周リブ２７および外周リブ２
８と絶縁層１５との間には凹部２９が形成され、各マグ
ネットワイヤ２３のうちティース１３相互間の渡り部分
は凹部２９内に収納されている。As shown in FIG. 4, a plurality of inner peripheral ribs 27 and outer peripheral ribs 28 are integrally formed on the insulating layer 15 at both axial end surfaces of the yoke 12. Each of the inner peripheral ribs 27 and the outer peripheral ribs 28 has an arc plate shape, and the inner peripheral ribs 27 and the outer peripheral ribs 2 that are circumferentially opposed to each other.
A recess 29 is formed between the wire 8 and the insulating layer 15, and a portion of each magnet wire 23 between the teeth 13 is accommodated in the recess 29.
【００２４】ベース１８は別のベース３０に固定されて
いる。これらベース１９および別のベース３０には軸受
３１の外輪が各々固定されており、両軸受３１の内輪に
は回転軸３２が圧入されている。この回転軸３２の下端
部には合成樹脂製のフレーム３３がねじ止めされてお
り、フレーム３３の周板部には円筒状のロータヨーク３
４が固定されている。The base 18 is fixed to another base 30. An outer ring of a bearing 31 is fixed to each of the base 19 and another base 30, and a rotating shaft 32 is press-fitted into an inner ring of both bearings 31. A frame 33 made of a synthetic resin is screwed to the lower end of the rotating shaft 32, and a cylindrical rotor yoke 3 is
4 is fixed.
【００２５】ロータヨーク３４の内周面には２４個のロ
ータマグネット３５が固定されている。これらロータマ
グネット３５は機械角１５°の等ピッチで配置されたも
のであり、ティース１３の外周面に所定間隔を存して対
向している。尚、符号３６は回転軸３２，フレーム３
３，ロータヨーク３４，２４個のロータマグネット３５
から構成されたロータを示すものである。On the inner peripheral surface of the rotor yoke 34, 24 rotor magnets 35 are fixed. These rotor magnets 35 are arranged at an equal pitch of a mechanical angle of 15 °, and face the outer peripheral surface of the teeth 13 at a predetermined interval. Reference numeral 36 denotes the rotating shaft 32, the frame 3
3, rotor yoke 34, 24 rotor magnets 35
1 shows a rotor composed of:
【００２６】上記第１実施例によれば、３層目のマグネ
ットワイヤ２３を矢印Ａ方向へ巻進めるときには２ｄの
ピッチで移動させ（第１の工程）、矢印Ｂ方向へ巻進め
るときには径方向に隣接するマグネットワイヤ２３相互
間の隙間に挿入したので（第２の工程）、Ｕ相コイル２
０〜Ｗ相コイル２２を実質的な奇数層に巻回する場合に
巻回始端部および巻回終端部が同一の内周側に配置され
る。このため、Ｕ相コイル２０〜Ｗ相コイル２２の巻回
始端部および巻回終端部をピン端子に簡単に接続できる
ので、巻回始端部および巻回終端部の処理が容易にな
る。According to the first embodiment, the third-layer magnet wire 23 is moved at a pitch of 2d when wound in the direction of arrow A (first step), and is wound in the radial direction when wound in the direction of arrow B. Since it was inserted into the gap between the adjacent magnet wires 23 (second step), the U-phase coil 2
When the 0-W phase coil 22 is wound in a substantially odd layer, the winding start end and the winding end are arranged on the same inner peripheral side. For this reason, since the winding start end and the winding end of the U-phase coil 20 to the W-phase coil 22 can be easily connected to the pin terminals, the processing of the winding start and end can be facilitated.
【００２７】また、最上の奇数層（３層目）を巻回する
ときに第１の工程および第２の工程を施したので、マグ
ネットワイヤ２３の巻回方向が反転する部分の上にマグ
ネットワイヤ２３が積上げられることがなくなる。この
ため、マグネットワイヤ２３の挙動が巻回時に安定する
ので、マグネットワイヤ２３の巻回作業を行い易くな
る。Further, since the first step and the second step are performed when the uppermost odd-numbered layer (third layer) is wound, the magnet wire is placed above the portion where the winding direction of the magnet wire 23 is reversed. 23 will not be stacked. For this reason, since the behavior of the magnet wire 23 is stabilized at the time of winding, the winding operation of the magnet wire 23 is easily performed.
【００２８】また、ティース１３の外周部に幅広部２６
を形成したので、スロット１４の空間形状が有効的に利
用され、スロット１４内にデッドスペースが少なくな
る。このため、Ｕ相コイル２０〜Ｗ相コイル２２のスロ
ット占積率が高まり、総巻回数が増えるので、モータが
高出力化される。A wide portion 26 is provided on the outer periphery of the teeth 13.
Is formed, the space shape of the slot 14 is effectively used, and the dead space in the slot 14 is reduced. For this reason, the slot space factor of the U-phase coil 20 to the W-phase coil 22 increases, and the total number of turns increases, so that the output of the motor is increased.
【００２９】また、マグネットワイヤ２３をティース１
３の軸方向上端面で径方向に列変わりさせたので、図２
の（ａ）に示すように、マグネットワイヤ２３のターン
間がＵ相コイル２０〜Ｗ相コイル２２の軸方向上端部で
クロスする。このため、Ｕ相コイル２０〜Ｗ相コイル２
２の膨みが軸方向に集中し、Ｕ相コイル２０〜Ｗ相コイ
ル２２がスロット１４内で膨らむことが防止される。従
って、Ｕ相コイル２０〜Ｗ相コイル２２のスロット占積
率が一層高まるので、モータが一層高出力化される。Further, the magnet wire 23 is connected to the teeth 1
As shown in FIG. 2, the upper end face in the axial direction of FIG.
As shown in (a), the turns of the magnet wire 23 cross at the upper ends of the U-phase coil 20 to the W-phase coil 22 in the axial direction. Therefore, the U-phase coil 20 to the W-phase coil 2
2 are concentrated in the axial direction, and the U-phase coil 20 to the W-phase coil 22 are prevented from expanding in the slot 14. Therefore, the slot space factor of the U-phase coil 20 to the W-phase coil 22 is further increased, and the output of the motor is further increased.
【００３０】また、マグネットワイヤ２３を複数のティ
ース１３に連続的に巻回することに基づいてＵ相コイル
２０〜Ｗ相コイル２２を形成したので、マグネットワイ
ヤ２３のうちティース１３相互間を繋ぐ複数の渡り部分
が同一の内周側に配置される。このため、複数の渡り部
分を絶縁層１５の凹部２９内に収納できるので、渡り部
分の処理が容易になる。Further, since the U-phase coil 20 to the W-phase coil 22 are formed based on the continuous winding of the magnet wire 23 around the plurality of teeth 13, the plurality of magnet wires 23 connecting the teeth 13 to each other are formed. Are arranged on the same inner peripheral side. For this reason, a plurality of crossover portions can be accommodated in the concave portion 29 of the insulating layer 15, so that the processing of the crossover portion becomes easy.
【００３１】尚、上記第１実施例においては、本発明を
アウタロータ形ＤＣブラシレスモータのステータに適用
したが、これに限定されるものではなく、例えばインナ
ロータ形ＤＣブラシレスモータのステータに適用しても
良い。この場合、Ｕ相コイル２０〜Ｗ相コイル２２の巻
回始端部および巻回終端部を同一の外周側に配置すると
良い。これと共に、幅狭部２５をティースの内周部に形
成し、幅広部２６をティースの外周部に形成すると良
い。In the first embodiment, the present invention is applied to the stator of the outer rotor type DC brushless motor. However, the present invention is not limited to this. For example, the present invention may be applied to the stator of the inner rotor type DC brushless motor. good. In this case, the winding start end and the winding end of the U-phase coil 20 to the W-phase coil 22 are preferably arranged on the same outer peripheral side. At the same time, the narrow portion 25 may be formed on the inner peripheral portion of the tooth, and the wide portion 26 may be formed on the outer peripheral portion of the tooth.
【００３２】また、上記第１実施例においては、Ｕ相コ
イル２０〜Ｗ相コイル２２の外周部を４層に巻回するこ
とに基づいて幅広部２６を形成したが、これに限定され
るものではなく、例えばＵ相コイル２０〜Ｗ相コイル２
２を全体的に３層に巻回することに基づいて幅広部２６
を廃止しても良い。この場合、本発明の第２実施例を示
す図５のように、１層目のマグネットワイヤ２３を矢印
Ａ方向へ巻進めるときにピッチ２ｄで移動させ（１ター
ン目〜５ターン目）、矢印Ｂ方向へ巻進めるときに径方
向に隣接するマグネットワイヤ２３相互間の隙間に挿入
しても良い（６ターン目〜９ターン目）。In the first embodiment, the wide portion 26 is formed by winding the outer peripheral portions of the U-phase coil 20 to the W-phase coil 22 in four layers. However, the present invention is not limited to this. Instead, for example, the U-phase coil 20 to the W-phase coil 2
The wide portion 26 is formed on the basis of the overall winding of
May be abolished. In this case, as shown in FIG. 5 showing the second embodiment of the present invention, when the first-layer magnet wire 23 is wound in the direction of arrow A, it is moved at a pitch 2d (first to fifth turns). When winding in the direction B, it may be inserted into the gap between the magnet wires 23 that are radially adjacent to each other (turns 6 to 9).
【００３３】また、上記第２実施例においては、１層目
のマグネットワイヤ２３を矢印Ａ方向へ巻進めるときに
ピッチ２ｄで移動させ、矢印Ｂ方向へ巻進めるときに径
方向に隣接するマグネットワイヤ２３相互間の隙間に挿
入したが、これに限定されるものではなく、例えば２層
目のマグネットワイヤ２３を矢印Ｂ方向へ巻進めるとき
に２ｄのピッチで移動させ、矢印Ａ方向へ巻進めるとき
にマグネットワイヤ２３相互間の隙間に挿入しても良
い。あるいは、３層目のマグネットワイヤ２３を矢印Ａ
方向へ巻進めるときに２ｄのピッチで移動させ、矢印Ｂ
方向へ巻進めるときにマグネットワイヤ２３相互間の隙
間に挿入しても良い。In the second embodiment, when the first-layer magnet wire 23 is wound in the direction of arrow A, it is moved at a pitch of 2d, and when it is wound in the direction of arrow B, the magnet wires 23 which are radially adjacent to each other are moved. Although inserted into the gap between the two, the present invention is not limited to this. For example, when the second-layer magnet wire 23 is moved in the direction of arrow B at a pitch of 2d and wound in the direction of arrow A, May be inserted into the gap between the magnet wires 23. Alternatively, the third layer of magnet wire 23
When winding in the direction, move at a pitch of 2d, arrow B
It may be inserted into the gap between the magnet wires 23 when winding in the direction.
【００３４】また、上記第１および第２実施例において
は、絶縁層１５の軸方向上端面を平面状に形成したが、
これに限定されるものではなく、例えば本発明の第３実
施例を示す図６のように、絶縁層１５の軸方向上端面に
各ティース１３に対応して凹部３７を形成しても良い。
この場合、Ｕ相コイル２０〜Ｗ相コイル２２の軸方向上
端部の膨らみが巻回時に凹部３７によって吸収されるの
で、Ｕ相コイル２０〜Ｗ相コイル２２の軸方向の膨らみ
量が低減される。In the first and second embodiments, the upper end surface in the axial direction of the insulating layer 15 is formed in a flat shape.
However, the present invention is not limited to this. For example, as shown in FIG. 6 showing a third embodiment of the present invention, a concave portion 37 may be formed on the upper end surface in the axial direction of the insulating layer 15 in correspondence with each tooth 13.
In this case, the swelling of the upper ends of the U-phase coil 20 to the W-phase coil 22 in the axial direction is absorbed by the concave portion 37 during winding, so that the swelling amount of the U-phase coil 20 to the W-phase coil 22 in the axial direction is reduced. .
【００３５】次に本発明の第４実施例を図７および図８
に基づいて説明する。絶縁層１５には、図８に示すよう
に、各ティース１３の周方向一端部に位置して第１の突
部３８が一体形成されている。これら各第１の突部３８
は絶縁層１５の軸方向上端面から軸方向下端面に繋がる
「コ」字状をなすものであり、各第１の突部３８の高さ
寸法Ｈは「３０．５×ｄ／２」に設定され、各第１の突
部３８からティース１３に至る径方向の隙間法Ｌ1 は
「３ｄ」に設定されている。Next, a fourth embodiment of the present invention will be described with reference to FIGS.
It will be described based on. As shown in FIG. 8, a first protrusion 38 is formed integrally with the insulating layer 15 at one end in the circumferential direction of each tooth 13. Each of these first projections 38
Has a U-shape connecting the upper end surface in the axial direction of the insulating layer 15 to the lower end surface in the axial direction. The height dimension H of each first projection 38 is “ 30.5 × d / 2”. And the radial gap method L1 from each first projection 38 to the teeth 13 is set to "3d".
【００３６】絶縁層１５には各ティース１３の周方向他
端部に位置して第２の突部３９が一体形成されている。
これら各第２の突部３９は絶縁層１５の軸方向上端面か
ら軸方向下端面に繋がる「コ」字状をなすものであり、
各第２の突部３９の高さ寸法Ｈは「３０．５×ｄ／２」
に設定され、各第２の突部３９からティース１３に至る
径方向の隙間法Ｌ2 は「２ｄ」に設定されている。A second protrusion 39 is formed integrally with the insulating layer 15 at the other end in the circumferential direction of each tooth 13.
Each of the second protrusions 39 is formed in a “U” shape that is connected from the upper end surface in the axial direction of the insulating layer 15 to the lower end surface in the axial direction.
The height dimension H of each second projection 39 is “3 0.5 × d / 2”
And the radial gap L2 from each second projection 39 to the teeth 13 is set to "2d".
【００３７】各ティース１３の軸方向下端面には第１の
突部３８および第２の突部３９間に位置して上述の凹部
３７が形成され、各ティース１３の軸方向上端面には第
１の突部３８および第２の突部３９間に位置して凹条部
４０が形成されている。これら各凹条部４０は径方向に
直線的に延びるものであり、各凹条部４０の周方向の幅
寸法はマグネットワイヤ２３の直径寸法ｄに略等しく設
定されている。The above-mentioned recess 37 is formed between the first projection 38 and the second projection 39 on the lower end face in the axial direction of each tooth 13, and the upper end face in the axial direction of each tooth 13 is formed on the lower end face. A recess 40 is formed between the first projection 38 and the second projection 39. Each of the recesses 40 extends linearly in the radial direction, and the circumferential width of each of the recesses 40 is set substantially equal to the diameter d of the magnet wire 23.
【００３８】ステータコア１１には、図７に示すよう
に、絶縁層１５の上から１２個のＵ相コイル２０，１２
個のＶ相コイル２１，１２個のＷ相コイル２２が装着さ
れている。これら１２個のＵ相コイル２０〜１２個のＷ
相コイル２２は各々１本のマグネットワイヤ２３を１２
本のティース１３に連続的に巻回してなるものであり、
各ピン端子にはマグネットワイヤ２３の端末部が巻付け
られている。As shown in FIG. 7, the twelve U-phase coils 20, 12
V-phase coils 21 and 12 W-phase coils 22 are mounted. These 12 U-phase coils 20 to 12 W
Each of the phase coils 22 includes one magnet wire 23 for 12 coils.
It is continuously wound around the teeth 13 of the book,
The terminal part of the magnet wire 23 is wound around each pin terminal.
【００３９】各Ｕ相コイル２０〜各Ｗ相コイル２２はマ
グネットワイヤ２３をティース１３に巻付ける動作とマ
グネットネットワイヤ２３を径方向へ所定ピッチで移動
させる動作とを繰返すことに基づいて整列密着状態に巻
回されたものであり、各Ｕ相コイル２０〜各Ｗ相コイル
２２は巻回始端部および巻回終端部が内周側（ヨーク１
２側）に設定され、ティース１３の軸方下端面で径方向
の列が変わっている。以下、各Ｕ相コイル２０〜各Ｗ相
コイル２２の巻回手順を説明する。The U-phase coils 20 to W-phase coils 22 are aligned and adhered based on repeating the operation of winding the magnet wire 23 around the teeth 13 and the operation of moving the magnet net wire 23 at a predetermined pitch in the radial direction. Each of the U-phase coils 20 to W-phase coils 22 has a winding start end and a winding end end on the inner circumferential side (the yoke 1).
2), and the rows in the radial direction are changed at the lower end surface of the teeth 13 in the axial direction. Hereinafter, the procedure of winding the U-phase coil 20 to the W-phase coil 22 will be described.
【００４０】（１）マグネットワイヤ２３を凹条部４０
内に挿入した後、矢印Ａ方向へピッチｄで移動させ、絶
縁層１５の逃げ部４１内に巻付ける（１ターン目〜３タ
ーン目）。この逃げ部４１は第１の突部３８とティース
１３との隙間，第２の突部３９とティース１３との隙間
を総称するものであり、ワイヤ収納部に相当する。(1) Insert the magnet wire 23 into the concave streak 40
Then, it is moved at a pitch d in the direction of arrow A and wound around the escape portion 41 of the insulating layer 15 (first to third turns). The clearance 41 generally refers to a gap between the first projection 38 and the teeth 13 and a gap between the second projection 39 and the teeth 13 and corresponds to a wire storage section.
【００４１】（２）マグネットワイヤ２３を矢印Ｂ方向
へピッチｄ／２だけ移動させ、３ターン目および２ター
ン目間に巻付ける（４ターン目）。この後、矢印Ｂ方向
へピッチｄで移動させ、ティース１３に巻付ける（５タ
ーン目〜１１ターン目）。(2) The magnet wire 23 is moved in the direction of arrow B by a pitch d / 2 and wound between the third and second turns (fourth turn). Thereafter, it is moved at a pitch d in the direction of arrow B and wound around the teeth 13 (turns 5 to 11).
【００４２】（３）マグネットワイヤ２３を矢印Ａ方向
へピッチｄ／２だけ移動させ、１１ターン目および１０
ターン目間に巻付ける（１２ターン目）。この後、矢印
Ａ方向へピッチｄで移動させ、ティース１３に巻付ける
（１３ターン目〜１８ターン目）。(3) The magnet wire 23 is moved in the direction of arrow A by a pitch d / 2, and the eleventh turn and the tenth turn are performed.
Wind around the turn (turn 12). Thereafter, it is moved at a pitch d in the direction of arrow A and wound around the teeth 13 (turns 13 to 18).
【００４３】（４）マグネットワイヤ２３を矢印Ｂ方向
へピッチｄ／２だけ移動させ、１８ターン目および１７
ターン目間に巻付ける（１９ターン目）。この後、矢印
Ｂ方向へピッチｄで移動させ、ティース１３に巻付ける
（２０ターン目〜２４ターン目）。(4) The magnet wire 23 is moved in the direction of arrow B by a pitch d / 2, and the 18th turn and the 17th turn are performed.
Wrap between turns (19th turn). Thereafter, it is moved at a pitch d in the direction of arrow B and wound around the teeth 13 (turns 20 to 24).
【００４４】上記第４実施例によれば、マグネットワイ
ヤ２３を内周側から外周側の逃げ部４１内に巻付けた
後、ティース１３に巻回方向を層毎に反転させながら巻
付けたので、Ｕ相コイル２０〜Ｗ相コイル２２を実質的
な奇数層に巻回する場合に巻回始端部および巻回終端部
が同一の内周側に配置される。このため、Ｕ相コイル２
０〜Ｗ相コイル２２の巻回始端部および巻回終端部を内
周部のピン端子に簡単に接続できるので、巻回始端部お
よび巻回終端部の処理が容易になる。しかも、逃げ部４
１内にマグネットワイヤ２３を巻付けることに基づいて
Ｕ相コイル２０〜Ｗ相コイル２２の総巻回数を調節でき
る。According to the fourth embodiment, the magnet wire 23 is wound from the inner peripheral side into the escape portion 41 on the outer peripheral side, and then wound around the teeth 13 while reversing the winding direction for each layer. When winding the U-phase coil 20 to the W-phase coil 22 in a substantially odd layer, the winding start end and the winding end are disposed on the same inner peripheral side. Therefore, the U-phase coil 2
Since the winding start end and the winding end of the 0-W phase coil 22 can be easily connected to the pin terminals on the inner periphery, the processing of the winding start and end can be facilitated. Moreover, the escape part 4
The total number of turns of the U-phase coil 20 to the W-phase coil 22 can be adjusted based on the winding of the magnet wire 23 inside the coil 1.
【００４５】また、絶縁層１５に凹条部４０を形成し、
マグネットワイヤ２３の巻回始端部を凹条部４０内に挿
入した。このため、Ｕ相コイル２０〜Ｗ相コイル２２の
巻回時にマグネットワイヤ２３の巻回始端部の挙動が安
定するので、Ｕ相コイル２０〜Ｗ相コイル２２の巻回作
業を行い易くなる。Further, a recess 40 is formed in the insulating layer 15,
The winding start end of the magnet wire 23 was inserted into the concave ridge 40. Therefore, the behavior of the winding start end of the magnet wire 23 during the winding of the U-phase coil 20 to the W-phase coil 22 is stabilized, so that the winding operation of the U-phase coil 20 to the W-phase coil 22 is facilitated.
【００４６】尚、上記第２〜第４実施例においては、本
発明をアウタロータ形ＤＣブラシレスモータのステータ
に適用したが、これに限定されるものではなく、例えば
インナロータ形ＤＣブラシレスモータのステータに適用
しても良い。この場合、Ｕ相コイル２０〜Ｗ相コイル２
２の巻回始端部および巻回終端部を同一の外周側に配置
すると良い。In the second to fourth embodiments, the present invention is applied to the stator of the outer rotor type DC brushless motor. However, the present invention is not limited to this. For example, the present invention is applied to the stator of the inner rotor type DC brushless motor. You may. In this case, the U-phase coil 20 to the W-phase coil 2
The winding start end and the winding end of No. 2 are preferably arranged on the same outer peripheral side.
【００４７】また、上記第１〜第４実施例においては、
ステータコア１１を成形型内に収納した状態で溶融樹脂
を注入することに基づいて絶縁層１５を形成したが、こ
れに限定されるものではなく、例えばステータコア１１
に軸方向両側から合成樹脂製の絶縁カバーを被せること
に基づいて絶縁層を形成しても良い。In the first to fourth embodiments,
Although the insulating layer 15 is formed based on injecting the molten resin in a state where the stator core 11 is housed in the molding die, the present invention is not limited to this.
The insulating layer may be formed based on covering synthetic resin insulating covers from both sides in the axial direction.
【００４８】また、上記第１〜第４実施例においては、
環状をなすステータコア１１のティース１３にＵ相コイ
ル２０〜Ｗ相コイル２２を巻回したが、これに限定され
るものではなく、例えば下記（１）あるいは（２）のよ
うにしても良い。この場合、マグネットワイヤ２３のタ
ーン間をティース１３のうちスロット１４の形成に寄与
しない一端面（分割コアあるいは帯状コアを環状化した
ときに軸方向上端面あるいは軸方向下端面に相当する部
分）でクロスさせると良い。In the first to fourth embodiments,
The U-phase coil 20 to the W-phase coil 22 are wound around the teeth 13 of the annular stator core 11, but the invention is not limited to this. For example, the following (1) or (2) may be used. In this case, the one end face of the teeth 13 which does not contribute to the formation of the slot 14 (the portion corresponding to the upper end face in the axial direction or the lower end face in the axial direction when the split core or the band-shaped core is circularized) is formed between the turns of the magnet wire 23. Good to cross.
【００４９】（１）ステータコア１１をヨーク１２の所
定位置で分割した形態の分割コアを用いる。そして、分
割コアのティース１３にＵ相コイル２０〜Ｗ相コイル２
２を巻回した後、分割コアを環状に磁気的および機械的
に連結する。 （２）複数の分割コアが繋ぎ桟によって連結された形態
の帯状コアを用いる。そして、帯状コアのティース１３
にＵ相コイル２０〜Ｗ相コイル２２を巻回した後、帯状
コアを複数の繋ぎ桟から環状に丸める。(1) A split core in which the stator core 11 is split at a predetermined position on the yoke 12 is used. Then, the U-phase coil 20 to the W-phase coil 2
After winding 2, the split cores are connected magnetically and mechanically in a ring. (2) A strip-shaped core in which a plurality of divided cores are connected by a connecting bar is used. And the belt-shaped core teeth 13
After winding the U-phase coil 20 to the W-phase coil 22, the band-shaped core is annularly rolled from a plurality of connecting bars.
【００５０】また、上記第１〜第４実施例においては、
複数枚の鋼板を軸方向に積層することに基づいてステー
タコア１１を形成したが、これに限定されるものではな
く、例えば塊状の鋼材を切削加工することに基づいてス
テータコアや分割コアや帯状コアを形成しても良い。In the first to fourth embodiments,
Although the stator core 11 was formed based on laminating a plurality of steel plates in the axial direction, the present invention is not limited to this. For example, the stator core, the split core, and the belt-shaped core may be formed based on cutting a massive steel material. It may be formed.
【００５１】[0051]
【発明の効果】以上の説明から明らかなように、本発明
のコイルの巻回方法は次の効果を奏する。請求項１記載
の手段によれば、マグネットワイヤをティースに沿う一
方向へ巻進めるときには線径の略２倍のピッチで移動さ
せ（第１の工程）、ティースに沿う反対方向へ巻進める
ときには隣接するマグネットワイヤ相互間の隙間に挿入
した（第２の工程）。このため、コイルを奇数層に巻回
する場合にコイルの巻回始端部および巻回終端部を同一
側に配置できるので、巻回始端部および巻回終端部の処
理が容易になる。As is apparent from the above description, the coil winding method of the present invention has the following effects. According to the first aspect, when the magnet wire is wound in one direction along the teeth, the magnet wire is moved at a pitch substantially twice the wire diameter (first step), and when the magnet wire is wound in the opposite direction along the teeth, it is adjacent. Into the gap between the magnet wires to be formed (second step). Therefore, when the coil is wound on an odd-numbered layer, the winding start end and the winding end can be arranged on the same side, so that the processing of the winding start and the winding end is facilitated.
【００５２】請求項２記載の手段によれば、最上の奇数
層を巻回するときに第１の工程および第２の工程を施し
たので、マグネットワイヤの巻回方向が反転する部分の
上にマグネットワイヤが積上げられることがなくなる。
このため、マグネットワイヤの挙動が巻回時に安定する
ので、マグネットワイヤの巻回作業性が向上する。請求
項３記載の手段によれば、ティースの外周部に多層巻部
を形成した。このため、スロットの空間形状が多層巻部
によって有効的に利用されるので、コイルのスロット占
積率が高まる。According to the second aspect, the first step and the second step are performed when winding the uppermost odd-numbered layer, so that the winding direction of the magnet wire is reversed on the portion where the winding direction is reversed. The magnet wires are not piled up.
For this reason, since the behavior of the magnet wire is stabilized at the time of winding, the workability of winding the magnet wire is improved. According to the third aspect of the present invention, the multilayer winding portion is formed on the outer peripheral portion of the tooth. For this reason, the spatial shape of the slot is effectively used by the multilayer winding portion, so that the slot space factor of the coil is increased.
【００５３】請求項４記載の手段によれば、マグネット
ワイヤをティースの延び方向に指向する一端部から他端
部のワイヤ収納部内に巻付けた後、絶縁層に巻回方向を
層毎に反転させながら巻付けた。このため、コイルを奇
数層に巻回する場合にコイルの巻回始端部および巻回終
端部を同一側に配置できるので、コイルの両端末部の処
理が容易になる。しかも、ワイヤ収納部内にマグネット
ワイヤを巻付けることに基づいてコイルの総巻回数を調
節できる。請求項５記載の手段によれば、マグネットワ
イヤをティースのうちスロットの形成に寄与しない一端
面でターン間がクロスするように巻回した。このため、
コイルがスロット内で膨らむことが防止されるので、コ
イルのスロット占積率が高まる。According to the fourth aspect of the present invention, after the magnet wire is wound from one end directed in the direction in which the teeth extend in the wire housing portion at the other end, the winding direction is reversed on the insulating layer for each layer. Wrapped around. For this reason, when the coil is wound on an odd-numbered layer, the winding start end and the winding end can be arranged on the same side, so that the processing of both ends of the coil becomes easy. In addition, the total number of turns of the coil can be adjusted based on the winding of the magnet wire in the wire housing. According to the fifth aspect of the present invention, the magnet wire is wound such that the turns cross each other at one end face of the teeth which does not contribute to the formation of the slot. For this reason,
Since the coil is prevented from expanding in the slot, the slot space factor of the coil is increased.
【００５４】請求項６記載の手段によれば、ティースの
うちマグネットワイヤのターン間がクロスする一端面に
凹部を設けた。このため、コイルの膨らみが凹部によっ
て吸収されるので、コイルの膨らみ量が低減される。請
求項７記載の手段によれば、マグネットワイヤを複数の
ティースに連続的に巻回した。このため、マグネットワ
イヤの複数の渡り部分を同一側に配置できるので、渡り
部分の処理が容易になる。According to the sixth aspect of the present invention, the concave portion is provided on one end surface of the teeth where the turn between the magnet wires crosses. For this reason, since the swelling of the coil is absorbed by the concave portion, the amount of swelling of the coil is reduced. According to the means of claim 7, the magnet wire is continuously wound around the plurality of teeth. For this reason, since a plurality of transition portions of the magnet wire can be arranged on the same side, the processing of the transition portions is facilitated.
【図１】本発明の第１実施例を示す図（コイルの巻回順
序を示す図２のＸ1 −Ｘ1 線に沿う断面図）FIG. 1 is a view showing a first embodiment of the present invention (a sectional view taken along line X1-X1 in FIG. 2 showing a winding order of coils);
【図２】（ａ）マグネットワイヤがティースの軸方向上
端面でクロスする様子を示す斜視図、（ｂ）は矢印Ｘ2
視図FIG. 2A is a perspective view showing a state in which a magnet wire crosses an upper end surface of a tooth in an axial direction, and FIG.
View
【図３】ステータコアを軸方向から示す図FIG. 3 is a view showing a stator core from an axial direction;
【図４】モータの全体構成を示す断面図FIG. 4 is a sectional view showing the overall configuration of the motor.
【図５】本発明の第２実施例を示す図１相当図FIG. 5 is a view corresponding to FIG. 1 showing a second embodiment of the present invention.
【図６】本発明の第３実施例を示す図（ティースを拡大
して示す斜視図）FIG. 6 is a view showing a third embodiment of the present invention (a perspective view showing teeth in an enlarged manner).
【図７】本発明の第４実施例を示す図１相当図FIG. 7 is a view corresponding to FIG. 1, showing a fourth embodiment of the present invention.
【図８】図６相当図FIG. 8 is a diagram corresponding to FIG. 6;
【図９】従来例を示す図１相当図FIG. 9 is a diagram corresponding to FIG. 1 showing a conventional example.
１３はティース、１４はスロット、１５は絶縁層、２０
はＵ相コイル（コイル）、２１はＶ相コイル（コイ
ル）、２２はＷ相コイル（コイル）、２３はマグネット
ワイヤ、２６は幅広部（多層巻部）、３７は凹部、４１
は逃げ部（ワイヤ収納部）を示す。13 is a tooth, 14 is a slot, 15 is an insulating layer, 20
Is a U-phase coil (coil), 21 is a V-phase coil (coil), 22 is a W-phase coil (coil), 23 is a magnet wire, 26 is a wide portion (multilayer winding portion), 37 is a concave portion, 41
Indicates a relief portion (wire storage portion).
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 5H603 AA09 BB01 BB04 BB10 BB13 CA01 CA05 CA10 CB02 CB03 CB04 CB12 CB26 CC01 CC11 CC17 CD02 CD21 CE01 FA01 FA08 FA16 5H615 AA01 BB01 BB04 BB14 PP01 PP02 PP10 PP11 PP13 PP14 PP15 QQ02 QQ19 RR01 RR07 SS05 SS08 SS20 SS44 TT05 TT13 TT26 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5H603 AA09 BB01 BB04 BB10 BB13 CA01 CA05 CA10 CB02 CB03 CB04 CB12 CB26 CC01 CC11 CC17 CD02 CD21 CE01 FA01 FA08 FA16 5H615 AA01 BB01 BB04 BB14 PP01 PP02 PP10 PP11 Q02 PP10 RR07 SS05 SS08 SS20 SS44 TT05 TT13 TT26
Claims (7)
回方向を反転させながら巻付けることに基づいてコイル
を巻回する方法において、 マグネットワイヤをティースに沿う一方向へ巻進めると
きに線径の略２倍のピッチで移動させる第１の工程と、 前記マグネットワイヤを前記ティースに沿う反対方向へ
巻進めるときに前記ティースに沿う方向に隣接するマグ
ネットワイヤ相互間の隙間に挿入する第２の工程とを備
えたことを特徴とするコイルの巻回方法。1. A method for winding a coil based on winding a magnet wire on a tooth while reversing a winding direction for each layer, wherein the winding of the magnet wire is performed in one direction along the tooth. A first step of moving at substantially twice the pitch, and a second step of inserting the magnet wire into a gap between adjacent magnet wires in the direction along the teeth when winding the magnet wire in the opposite direction along the teeth. And a method for winding a coil.
程および第２の工程を施すことを特徴とする請求項１記
載のコイルの巻回方法。2. The coil winding method according to claim 1, wherein the first step and the second step are performed when winding the uppermost odd-numbered layer.
を第１の工程および第２の工程によって巻回し、 前記ティースの外周部には一端部より多層な多層巻部を
形成することを特徴とする請求項１記載のコイルの巻回
方法。3. The teeth are wound around an inner peripheral portion of the teeth by a first step and a second step, and a multi-layered winding portion is formed on the outer peripheral portion of the teeth from an end portion. The method for winding a coil according to claim 1.
ワイヤ収納部を有する絶縁層が形成されたティースを用
い、 マグネットワイヤを前記ティースの延び方向に指向する
他端部から前記ワイヤ収納部内に巻付けた後、前記絶縁
層に巻回方向を層毎に反転させながら巻付けることを特
徴とするコイルの巻回方法。4. A tooth in which an insulating layer having a wire storage portion is formed at one end directed in the direction in which the teeth extend, and a magnet wire is inserted into the wire storage portion from the other end directed in the direction in which the teeth extend. A method of winding a coil, comprising, after winding, winding the insulating layer while reversing the winding direction for each layer.
ットの形成に寄与しない一端面でターン間がクロスする
ように巻回することを特徴とする請求項１または４記載
のコイルの巻回方法。5. The coil winding method according to claim 1, wherein the magnet wire is wound so that turns are crossed at one end face of the teeth that does not contribute to the formation of the slot.
るティースの一端面に凹部を設けることを特徴とする請
求項５記載のコイルの巻回方法。6. The coil winding method according to claim 5, wherein a concave portion is provided on one end surface of the tooth at which the turn between the magnet wires crosses.
続的に巻回することを特徴とする請求項１または４記載
のコイルの巻回方法。7. The method according to claim 1, wherein the magnet wire is continuously wound around the plurality of teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34022898A JP3572209B2 (en) | 1998-11-30 | 1998-11-30 | Coil winding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34022898A JP3572209B2 (en) | 1998-11-30 | 1998-11-30 | Coil winding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000166193A true JP2000166193A (en) | 2000-06-16 |
| JP3572209B2 JP3572209B2 (en) | 2004-09-29 |
Family
ID=18334932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34022898A Expired - Fee Related JP3572209B2 (en) | 1998-11-30 | 1998-11-30 | Coil winding method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3572209B2 (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003348812A (en) * | 2002-03-20 | 2003-12-05 | Nippon Densan Corp | Brushless motor and disc device using this |
| JP2007014097A (en) * | 2005-06-29 | 2007-01-18 | Honda Motor Co Ltd | Stator |
| JP2007221882A (en) * | 2006-02-15 | 2007-08-30 | Td Drive:Kk | Core module and bobbin of stator |
| WO2008087067A1 (en) * | 2007-01-16 | 2008-07-24 | Robert Bosch Gmbh | Electrical coil with multiple winding layers |
| WO2009000684A2 (en) | 2007-06-22 | 2008-12-31 | Robert Bosch Gmbh | Electromagnetically excitable coil |
| JP2009268231A (en) * | 2008-04-24 | 2009-11-12 | Tamagawa Seiki Co Ltd | Coil insulating structure for resolver |
| JP2010183736A (en) * | 2009-02-05 | 2010-08-19 | Tamagawa Seiki Co Ltd | Resolver stator structure |
| US8093779B2 (en) | 2006-12-12 | 2012-01-10 | Hitachi, Ltd. | Concentrated winding coil and method of manufacturing same |
| CN102570739A (en) * | 2010-12-20 | 2012-07-11 | 日特机械工程株式会社 | Winding machine and winding method |
| DE102011004639A1 (en) | 2011-02-24 | 2012-08-30 | Zf Friedrichshafen Ag | Coil i.e. stator coil, for use in electric machine i.e. permanent magnet synchronous machine, has windings whose winding layers are wrapped over extension part, and inner and outer winding layers comprising temporary end |
| JP2013135587A (en) * | 2011-12-27 | 2013-07-08 | Daikin Ind Ltd | Stator, motor, compressor, and coil winding method |
| JP2016015859A (en) * | 2014-07-03 | 2016-01-28 | オリエンタルモーター株式会社 | Winding method of wire of dynamo-electric machine |
| WO2016177500A1 (en) * | 2015-05-06 | 2016-11-10 | Robert Bosch Gmbh | Winding tooth of an electric machine |
| EP2626978A3 (en) * | 2012-02-07 | 2017-01-25 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Electric motor |
-
1998
- 1998-11-30 JP JP34022898A patent/JP3572209B2/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003348812A (en) * | 2002-03-20 | 2003-12-05 | Nippon Densan Corp | Brushless motor and disc device using this |
| JP2007014097A (en) * | 2005-06-29 | 2007-01-18 | Honda Motor Co Ltd | Stator |
| JP2007221882A (en) * | 2006-02-15 | 2007-08-30 | Td Drive:Kk | Core module and bobbin of stator |
| US8093779B2 (en) | 2006-12-12 | 2012-01-10 | Hitachi, Ltd. | Concentrated winding coil and method of manufacturing same |
| WO2008087067A1 (en) * | 2007-01-16 | 2008-07-24 | Robert Bosch Gmbh | Electrical coil with multiple winding layers |
| WO2009000684A2 (en) | 2007-06-22 | 2008-12-31 | Robert Bosch Gmbh | Electromagnetically excitable coil |
| WO2009000684A3 (en) * | 2007-06-22 | 2009-02-19 | Bosch Gmbh Robert | Electromagnetically excitable coil |
| US8288912B2 (en) | 2007-06-22 | 2012-10-16 | Robert Bosch Gmbh | Electromagnetically excitable coil |
| JP2009268231A (en) * | 2008-04-24 | 2009-11-12 | Tamagawa Seiki Co Ltd | Coil insulating structure for resolver |
| JP2010183736A (en) * | 2009-02-05 | 2010-08-19 | Tamagawa Seiki Co Ltd | Resolver stator structure |
| CN102570739A (en) * | 2010-12-20 | 2012-07-11 | 日特机械工程株式会社 | Winding machine and winding method |
| JP2012135077A (en) * | 2010-12-20 | 2012-07-12 | Nittoku Eng Co Ltd | Winding machine and winding method |
| DE102011004639A1 (en) | 2011-02-24 | 2012-08-30 | Zf Friedrichshafen Ag | Coil i.e. stator coil, for use in electric machine i.e. permanent magnet synchronous machine, has windings whose winding layers are wrapped over extension part, and inner and outer winding layers comprising temporary end |
| JP2013135587A (en) * | 2011-12-27 | 2013-07-08 | Daikin Ind Ltd | Stator, motor, compressor, and coil winding method |
| EP2626978A3 (en) * | 2012-02-07 | 2017-01-25 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Electric motor |
| JP2016015859A (en) * | 2014-07-03 | 2016-01-28 | オリエンタルモーター株式会社 | Winding method of wire of dynamo-electric machine |
| WO2016177500A1 (en) * | 2015-05-06 | 2016-11-10 | Robert Bosch Gmbh | Winding tooth of an electric machine |
| CN107534330A (en) * | 2015-05-06 | 2018-01-02 | 罗伯特·博世有限公司 | The winding tooth of motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3572209B2 (en) | 2004-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2000166193A (en) | Coil winding method | |
| US3956651A (en) | Wire stator structure | |
| US5583387A (en) | Stator of dynamo-electric machine | |
| US7221073B2 (en) | Axial gap electronic motor | |
| JP2667073B2 (en) | Slotless motor | |
| US8441164B2 (en) | Outer rotor motor | |
| US3921017A (en) | Electric motor | |
| WO1999008364A1 (en) | Capacitor motor | |
| JP2016152751A (en) | Stator for rotary electric machine | |
| JP2000078779A (en) | Stator for rotary electric machine and its manufacture | |
| JP2001309625A (en) | Motor of permanent-magnet type | |
| JP3480317B2 (en) | Electric rotating machine and rotating machine coil | |
| JP2678015B2 (en) | Electric motor stator core | |
| JP2002359938A (en) | Stator structure of motor | |
| JP2003230244A (en) | Stator of capacitor motor | |
| JPH0343824Y2 (en) | ||
| JPH08214479A (en) | Permanent magnet type dynamo electric machine and manufacture of its rotor core | |
| JP2006081398A (en) | Method of manufacturing stator of inner rotation type motor | |
| JP2929145B2 (en) | Method of manufacturing stator of motor and stator of series-wound motor | |
| JP2006115694A (en) | Stator of inward swing type electric motor | |
| JP2001128401A (en) | Rotor of dynamo-electric machine | |
| JP3977224B2 (en) | Stator for adduction motor and method for manufacturing the same | |
| JP2004364470A (en) | Stator for dynamo-electric machine and its manufacturing method | |
| JP2886083B2 (en) | Motor stator | |
| JP3410881B2 (en) | Rotor winding end support device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20031226 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20040107 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20040323 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20040524 |
|
| A911 | Transfer of reconsideration by examiner before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20040527 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20040622 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20040628 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080702 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090702 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100702 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100702 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110702 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110702 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120702 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130702 Year of fee payment: 9 |
|
| LAPS | Cancellation because of no payment of annual fees |