JP4343191B2 - Rotating electric machine - Google Patents

Rotating electric machine Download PDF

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JP4343191B2
JP4343191B2 JP2006168249A JP2006168249A JP4343191B2 JP 4343191 B2 JP4343191 B2 JP 4343191B2 JP 2006168249 A JP2006168249 A JP 2006168249A JP 2006168249 A JP2006168249 A JP 2006168249A JP 4343191 B2 JP4343191 B2 JP 4343191B2
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coil
winding
stator
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shows
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JP2007336757A (en
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信哉 坂井
拡 野々口
征史 橋本
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Description

この発明は、連結ステータが用いられる回転電機に関するものであり、特に、連結ステータコアにおける巻線構造に関するものである。   The present invention relates to a rotating electrical machine in which a connection stator is used, and more particularly to a winding structure in a connection stator core.

従来の回転電機の固定子構造としては、電線巻回部の１層目の巻き終わりコイル側角部に、１層目のコイル線径の少なくとも１／２以上の高さの略垂直壁１６を内面側に有するとともに、略垂直壁の上部に１層目のコイル上に巻回される２層目の巻き始めコイルが接する接触部を設けた突出部を形成したものがあった（特許文献１参照）。   As a conventional stator structure of a rotating electric machine, a substantially vertical wall 16 having a height of at least 1/2 or more of the coil wire diameter of the first layer is provided at the corner of the winding end coil side of the first layer of the wire winding part. In addition to the inner surface side, there is one in which a protruding portion provided with a contact portion that is in contact with the second layer winding start coil wound on the first layer coil is formed on the upper part of the substantially vertical wall (Patent Document 1). reference).

またモータの電機子の各ティースを覆うインシュレータの上端部及び下端部には導線の巻き付け位置を規制する複数の第１案内溝及び第２案内溝が形成されたものがあった（特許文献２参照）。   In addition, there is a structure in which a plurality of first guide grooves and second guide grooves for restricting the winding position of the conductor are formed on the upper end portion and the lower end portion of the insulator that covers each tooth of the armature of the motor (see Patent Document 2). ).

特開２０００−１３３５２８号公報JP 2000-133528 A 特開２００６−６７７７８号公報JP 2006-67778 A

従来の固定子のコイル巻線構造は以上のように構成されており、いずれの場合も巻線作業が困難であるという問題点があった。   The conventional coil winding structure of the stator is configured as described above, and there is a problem that winding work is difficult in any case.

この発明は、上記のような問題点を解決するためになされたものであり、巻き始めのコイルボビンの端面側の一部に突起を形成することにより、１層目の１巻目の終端部を突起によって導き、１巻目と２巻目のコイルを密着させながら巻回させ、２巻目以降のコイルも同様に密着させながら巻回することにより、２層目からの巻回作業において、巻き乱れを防止することのできる回転電機の巻線構造を提供することを目的とするものである。   The present invention has been made to solve the above-described problems, and by forming a protrusion on a part of the end surface side of the coil bobbin at the start of winding, the end portion of the first winding of the first layer is formed. In the winding work from the second layer, the first and second coils are wound while being brought into close contact with each other, and the second and subsequent coils are wound in the same manner. An object of the present invention is to provide a winding structure of a rotating electrical machine that can prevent disturbance.

この発明に係る回転電機は、コアに取り付けられたコイルボビンにコイルを巻回させるとともに、コアを複数個帯状に連結させたものにおいて、コイルボビンの巻回部の角部であって、コイルの１層目の１巻目が終わる部分の一部を切り欠くことにより、ステップ部を設けたものである。 In the rotating electrical machine according to the present invention, a coil is wound around a coil bobbin attached to a core, and a plurality of cores are connected in a strip shape. A step portion is provided by cutting out a part of the end of the first volume of the eye.

この発明に係る回転電機によれば、コアに取り付けられたコイルボビンにコイルを巻回させるとともに、コアを複数個帯状に連結させたものにおいて、コイルボビンの巻回部の角部であって、コイルの１層目の１巻目が終わる部分の一部を切り欠くことにより、ステップ部を設けたので、巻き乱れることなく巻回することが可能になる。 According to the rotating electrical machine according to the present invention, a coil is wound around a coil bobbin attached to a core, and a plurality of cores are connected in a strip shape. Since the step portion is provided by cutting out a part of the first layer where the first roll ends, the winding can be performed without being disturbed.

実施の形態１．
図１は連結ステータが用いられる一般的な回転電機を示す側面断面図であり、図において、フレーム１３内部にはステータ１１が固定されるとともに、ステータ１１内部には空隙を介してロータ１２が設けられている。又ロータ１２にはシャフト１６が一体的に構成されるとともに、シャフト１６はベアリング１７を介してブラケット１４に軸支されている。又ターミナル１５はステータ１１に電流を供給するものである。 Embodiment 1 FIG.
FIG. 1 is a side sectional view showing a general rotating electrical machine in which a connecting stator is used. In the figure, a stator 11 is fixed inside a frame 13 and a rotor 12 is provided inside the stator 11 via a gap. It has been. A shaft 16 is integrally formed with the rotor 12, and the shaft 16 is pivotally supported by the bracket 14 via a bearing 17. The terminal 15 supplies current to the stator 11.

図２は従来からあるステータを構成する連結ステータを示す正面図、図３は同じく平面図、図４は同じく側面図、図５はコアを取り外し、ボビンのみ取り出した状態を示す正面図である。   2 is a front view showing a connecting stator constituting a conventional stator, FIG. 3 is a plan view, FIG. 4 is a side view, and FIG. 5 is a front view showing a state where a core is removed and only a bobbin is taken out.

図において、コア１にはコイルボビン２が取付けられ、コイル３はコイルボビン２の周りに巻回される。又コイルボビン２には巻き始め用のコイル挿入溝４ａ、巻き終わり用のコイル挿入溝４ｂが設けられるとともに、コイルボビン２の中央には凸部２ａが設けられている。   In the figure, a coil bobbin 2 is attached to the core 1, and the coil 3 is wound around the coil bobbin 2. The coil bobbin 2 is provided with a coil insertion groove 4 a for starting winding and a coil insertion groove 4 b for finishing winding, and a convex portion 2 a is provided at the center of the coil bobbin 2.

コイル３の巻き始めを、コイルボビン２に設けられたコイル挿入溝４ａに挿入し、コア１へのコイル３の巻付けを始め、そしてコア１の側面１Ａ、１Ｂに沿って巻かれてきたコイル３を、コイル挿入溝４ｂに挿入して巻き終わりとする。   The winding start of the coil 3 is inserted into the coil insertion groove 4a provided in the coil bobbin 2, the winding of the coil 3 around the core 1 is started, and the coil 3 wound along the side surfaces 1A and 1B of the core 1 Is inserted into the coil insertion groove 4b to finish winding.

図６は連結ステータコアにコイル３を巻いている状態を示す平面図、図７は連結ステータを丸めている状態を示す平面図、図８は連結ステータを完全に丸めることにより、ステータ１１を形成した状態を示す平面図である。   6 is a plan view showing a state in which the coil 3 is wound around the connection stator core, FIG. 7 is a plan view showing a state in which the connection stator is rounded, and FIG. 8 is a stator 11 formed by completely rounding the connection stator. It is a top view which shows a state.

連結ステータは、コイル巻線の巻線密度向上のため、図６に示すように連結ステータコアを帯状にした状態にてコイル３を巻線し、その後、図７に示すように連結ステータを丸め、最終的に図８に示すような円筒形状にし、その中にロータ１２を挿入する。   In order to improve the winding density of the coil winding, the connection stator winds the coil 3 in a state where the connection stator core is formed in a strip shape as shown in FIG. 6, and then rounds the connection stator as shown in FIG. Finally, a cylindrical shape as shown in FIG. 8 is formed, and the rotor 12 is inserted therein.

次に本発明の特徴的部分を図に基づいて説明する。図９はこの発明の実施の形態１によるステータ１個を示す平面図であり、コイル３が巻かれていない状態を示している。図１０は同じく側面図、図１１は図１０におけるＡ−Ａ線断面図である。   Next, characteristic portions of the present invention will be described with reference to the drawings. FIG. 9 is a plan view showing one stator according to Embodiment 1 of the present invention, and shows a state where the coil 3 is not wound. 10 is a side view, and FIG. 11 is a cross-sectional view taken along line AA in FIG.

図において、コイルボビン２には巻回部２ｂが設けられるとともに、先端部にはフランジ部２ｃが設けられている。又巻回部２ｂの端面２ｂ１であって、コイル３の１層目の１巻目が終わる部分に突起５が設けられている。又凸部２ａの角部６ａ、６ｂは円弧状に形成されている。   In the figure, the coil bobbin 2 is provided with a winding part 2b, and a flange part 2c is provided at the tip part. Further, a protrusion 5 is provided on the end surface 2b1 of the winding portion 2b and at the end of the first turn of the first layer of the coil 3. Further, the corner portions 6a and 6b of the convex portion 2a are formed in an arc shape.

図１２はコイル３の１層目の１巻目を巻いた状態を示す平面図、図１３は同じく側面図である。図に示すように、巻き始めのコイル３は角部６ａ及びコイルボビン２の巻回部２ｂに沿って巻かれ、コイル３の１層目の１巻目が終わる手前でコイルボビン２に形成された小さな突起５の側面を通り、コイル３の１層目の１巻目は完了する。   12 is a plan view showing a state where the first winding of the first layer of the coil 3 is wound, and FIG. 13 is a side view of the same. As shown in the figure, the coil 3 at the beginning of winding is wound along the corner portion 6a and the winding portion 2b of the coil bobbin 2, and is formed on the coil bobbin 2 just before the first turn of the first layer of the coil 3 is finished. The first roll of the first layer of the coil 3 is completed through the side surface of the protrusion 5.

図１４はコイル３の１層目の巻回状態を示す平面図、図１５は同じく側面図、図１６はコイル３の２層目の巻回状態を示す平面図、図１７は同じく側面図である。図１４、図１５に示すように順次巻線作業を行うことにより、１層目に整列巻が実現される。また図１６、図１７に示すように、２層目以降に巻かれるコイル３は、１層目に巻かれたコイル３の間に落ち込むように設置されることにより、巻き乱れることなく巻回することが可能になる。   14 is a plan view showing the winding state of the first layer of the coil 3, FIG. 15 is also a side view, FIG. 16 is a plan view showing the winding state of the second layer of the coil 3, and FIG. is there. As shown in FIG. 14 and FIG. 15, the winding is sequentially performed to realize the aligned winding on the first layer. As shown in FIGS. 16 and 17, the coil 3 wound after the second layer is installed so as to fall between the coils 3 wound on the first layer, so that the coil 3 is wound without being disturbed. It becomes possible.

以上のように構成されたコイルボビン２においては、コイル３の巻き始めの１層目の１巻目が終わる部分に突起５を形成することにより、巻線作業の効率を飛躍的に向上させることができる。また、小さな突起５を設けるだけで十分な効果が得られ、生産性も優れている。   In the coil bobbin 2 configured as described above, by forming the protrusion 5 at the end of the first turn of the first layer of the coil 3, the efficiency of the winding work can be dramatically improved. it can. Further, a sufficient effect can be obtained only by providing the small protrusions 5, and the productivity is excellent.

又コイル３を巻き始める際には、コイル３が凸部２ａから離れて膨らまないように円弧状の角部６ａに密着しながら沿うように巻線することが可能になり、巻線の乱れを防止することができる。更にはコイル３を巻き終わる際にも円弧状の角部６ｂを設けているので、巻線の乱れを防止することができる。   Further, when starting to wind the coil 3, it is possible to wind the coil 3 along the arcuate corner 6a so that the coil 3 does not swell away from the convex portion 2a. Can be prevented. Furthermore, since the arc-shaped corner portion 6b is provided when the coil 3 is completely wound, the winding disturbance can be prevented.

実施の形態２．
図１８はこの発明の実施の形態２によるステータ１個を示す平面図、図１９は同じく側面図である。上記実施の形態１においては、突起を巻回部２ｂの端面２ｂ１に設けた場合について説明したが、本実施形態においては、コイルボビン２の巻回部２ｂの側面２ｂ２であって、コイル３の１層目の１巻目が終わる部分に突起７を設けたものである。 Embodiment 2. FIG.
18 is a plan view showing one stator according to Embodiment 2 of the present invention, and FIG. 19 is a side view of the same. In the first embodiment, the case where the protrusion is provided on the end surface 2b1 of the winding portion 2b has been described. However, in the present embodiment, the side surface 2b2 of the winding portion 2b of the coil bobbin 2 is A protrusion 7 is provided at the end of the first volume of the layer.

以上のように構成することにより、上記実施の形態１の場合と同様の手順で巻線作業を行い、巻線作業を効率よく行うことができるようになる。   By configuring as described above, the winding work can be performed in the same procedure as in the first embodiment, and the winding work can be performed efficiently.

実施の形態３．
図２０はこの発明の実施の形態３によるステータ１個を示す平面図、図２１は同じく側面図、図２２は図２１におけるＢ−Ｂ線断面図である。本実施形態においては、巻回部２ｂの端面２ｂ１から側面２ｂ２にかけての角部であって、コイル３の１層目の１巻目が終わる部分の一部を切り欠くことにより、ステップ部８を設けたものである。図２３は巻回部２ｂの角部を示す拡大斜視図である。 Embodiment 3 FIG.
20 is a plan view showing one stator according to Embodiment 3 of the present invention, FIG. 21 is a side view of the same, and FIG. 22 is a sectional view taken along line BB in FIG. In the present embodiment, the step portion 8 is formed by notching a part of the corner portion from the end surface 2b1 to the side surface 2b2 of the winding portion 2b and ending the first turn of the first layer of the coil 3. It is provided. FIG. 23 is an enlarged perspective view showing a corner portion of the winding portion 2b.

以上のように構成することにより、コイル３の１層目の１巻目が終わる手前でコイル３はステップ部８に引っ掛かるようになり、巻線の乱れをなくすことができる。更には巻回部２ｂの一部を切り欠くことにより、コイルボビン２の軽量化を図ることができるようになる。   By configuring as described above, the coil 3 is caught by the step portion 8 just before the first turn of the first layer of the coil 3 is finished, and the winding disturbance can be eliminated. Furthermore, the coil bobbin 2 can be reduced in weight by cutting out a part of the winding part 2b.

回転電機を示す側面断面図である。It is side surface sectional drawing which shows a rotary electric machine. 回転電機の連結ステータを示す正面図である。It is a front view which shows the connection stator of a rotary electric machine. 回転電機の連結ステータを示す平面図である。It is a top view which shows the connection stator of a rotary electric machine. 回転電機の連結ステータを示す側面図である。It is a side view which shows the connection stator of a rotary electric machine. ボビン部を示す正面図である。It is a front view which shows a bobbin part. 連結ステータコアにコイルを巻いている状態を示す平面図である。It is a top view which shows the state which has wound the coil around the connection stator core. 連結ステータを丸めている状態を示す平面図である。It is a top view which shows the state which has rounded the connection stator. ステータを完成した状態を示す平面図である。It is a top view which shows the state which completed the stator. この発明の実施の形態１によるステータ１個を示す平面図である。It is a top view which shows one stator by Embodiment 1 of this invention. この発明の実施の形態１によるステータ１個を示す側面図である。It is a side view which shows one stator by Embodiment 1 of this invention. 図１０におけるＡ−Ａ線断面図である。It is the sectional view on the AA line in FIG. この発明の実施の形態１によるステータ１個を示す平面図である。It is a top view which shows one stator by Embodiment 1 of this invention. この発明の実施の形態１によるステータ１個を示す側面図である。It is a side view which shows one stator by Embodiment 1 of this invention. この発明の実施の形態１によるステータ１個を示す平面図である。It is a top view which shows one stator by Embodiment 1 of this invention. この発明の実施の形態１によるステータ１個を示す側面図である。It is a side view which shows one stator by Embodiment 1 of this invention. この発明の実施の形態１によるステータ１個を示す平面図である。It is a top view which shows one stator by Embodiment 1 of this invention. この発明の実施の形態１によるステータ１個を示す側面図である。It is a side view which shows one stator by Embodiment 1 of this invention. この発明の実施の形態２によるステータ１個を示す平面図である。It is a top view which shows one stator by Embodiment 2 of this invention. この発明の実施の形態２によるステータ１個を示す側面図である。It is a side view which shows one stator by Embodiment 2 of this invention. この発明の実施の形態３によるステータ１個を示す平面図である。It is a top view which shows one stator by Embodiment 3 of this invention. この発明の実施の形態３によるステータ１個を示す側面図である。It is a side view which shows one stator by Embodiment 3 of this invention. 図２１におけるＢ−Ｂ線断面図である。It is the BB sectional view taken on the line in FIG. 巻回部の角部を示す拡大斜視図である。It is an expansion perspective view which shows the corner | angular part of a winding part.

符号の説明Explanation of symbols

１ コア、２ コイルボビン、２ａ 凸部、２ｂ 巻回部、２ｂ１ 端面、
２ｂ２ 側面、３ コイル、５ 突起、７ 突起、６ａ，６ｂ 角部、８ ステップ部。 1 core, 2 coil bobbin, 2a convex part, 2b winding part, 2b1 end face,
2b2 Side face, 3 coil, 5 protrusion, 7 protrusion, 6a, 6b corner, 8 step part.

Claims (2)

コアに取り付けられたコイルボビンにコイルを巻回させるとともに、上記コアを複数個帯状に連結させた連結ステータを有する回転電機において、上記コイルボビンの巻回部の角部であって、上記コイルの１層目の１巻目が終わる部分の一部を切り欠くことにより、ステップ部を設けたことを特徴とする回転電機。 In a rotating electrical machine having a connecting stator in which a coil is wound around a coil bobbin attached to a core and a plurality of the cores are connected in a strip shape, the rotating portion of the coil bobbin is a corner of the coil bobbin. A rotating electrical machine characterized in that a step portion is provided by cutting out a part of a portion where the first roll of the eye ends. 上記コイルボビンに中央凸部を設け、この凸部の角部を円弧状に形成したことを特徴とする請求項１記載の回転電機。 The rotating electrical machine according to claim 1, wherein a central convex portion is provided on the coil bobbin, and a corner portion of the convex portion is formed in an arc shape.
JP2006168249A 2006-06-19 2006-06-19 Rotating electric machine Expired - Fee Related JP4343191B2 (en)

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JP4826718B2 (en) * 2004-07-27 2011-11-30 日本電産株式会社 Armature for motor and motor

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