JP4520865B2 - Coil unit, motor, and method of manufacturing coil unit - Google Patents

Coil unit, motor, and method of manufacturing coil unit Download PDF

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JP4520865B2
JP4520865B2 JP2005016354A JP2005016354A JP4520865B2 JP 4520865 B2 JP4520865 B2 JP 4520865B2 JP 2005016354 A JP2005016354 A JP 2005016354A JP 2005016354 A JP2005016354 A JP 2005016354A JP 4520865 B2 JP4520865 B2 JP 4520865B2
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winding
wire
reinforcing wire
support member
coil unit
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JP2006210375A (en
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修 高野
修一 川口
啓介 渡辺
和夫 小林
誠 畠山
敏昭 古屋
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Seiko Precision Inc
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Seiko Precision Inc
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本発明は電流を流したときに磁力を発生させるコイルユニット、モータ及びコイルユニットの製造方法に関する。より詳細には、コイルに電流を流す駆動回路などの外部装置との接続部分を補強しているコイルユニットに関する。   The present invention relates to a coil unit, a motor, and a method of manufacturing a coil unit that generate a magnetic force when a current is passed. More specifically, the present invention relates to a coil unit that reinforces a connection portion with an external device such as a drive circuit that supplies current to the coil.

一般にコイルユニットは、巻線（素線とも称される）とこの巻線が巻回される巻線支持部材とを含んで形成されている。例えば、コイルユニットは巻線支持部材としてのボビンと、このボビンに巻線を巻回したコイル部とによって構成される。コイルユニットはスピーカやモータ等の電気機器を構成する部品として広く使用されている。コイルユニットは巻線へ電流の供給を受けたときに磁力を発生させる。よって、コイルユニットには外部と電気的な接続を行うための接続部を設けることが必要である。   Generally, a coil unit is formed including a winding (also referred to as a strand) and a winding support member around which the winding is wound. For example, the coil unit is constituted by a bobbin as a winding support member and a coil part in which a winding is wound around the bobbin. The coil unit is widely used as a component constituting electric devices such as a speaker and a motor. The coil unit generates a magnetic force when a current is supplied to the winding. Therefore, it is necessary to provide the coil unit with a connection portion for electrical connection with the outside.

小型の電気機器に組込まれるコイルユニットは小さく、ここで使用されている巻線は極めて細い。よって、巻線の端部を引出して直接、外部装置（駆動回路など）に接続すると巻線が断線し易い。そこで、例えば、特許文献１で開示するように従来のコイルユニットは、巻線の断線防止のために巻線よりも強度のあるリボン線を巻線の端部に接続して接続部としている。   The coil unit incorporated in a small electric device is small, and the winding used here is extremely thin. Therefore, if the end of the winding is pulled out and directly connected to an external device (such as a drive circuit), the winding is likely to break. Therefore, for example, as disclosed in Patent Document 1, in the conventional coil unit, a ribbon wire having a strength stronger than that of the winding is connected to the end of the winding to prevent the disconnection of the winding.

特開平５−１８３９９３号公報JP-A-5-183993

しかしながら、巻線とリボン線とを接合しているので、リボン線に加わる引張力が強い場合、両者の接合部分が剥離して断線する可能がある。さらに巻線とは別の線材であるリボン線が必要となるので、部品点数が増加してコストが上昇する。   However, since the winding and the ribbon wire are joined, if the tensile force applied to the ribbon wire is strong, the joint portion between the two may peel off and break. Further, since a ribbon wire which is a wire material different from the winding is required, the number of parts increases and the cost increases.

本発明の目的は簡単な構成で接続部の断線を防止でき、コスト低減の面でも優れているコイルユニット、モータを提供すること及びこのコイルユニットの製造方法を提供することである。   An object of the present invention is to provide a coil unit and a motor that can prevent disconnection of a connecting portion with a simple configuration and are excellent in terms of cost reduction, and to provide a method for manufacturing the coil unit.

上記の目的は、巻線と、該巻線が巻回される巻線支持部材とを含み、前記巻線の端部を前記巻線支持部材から引出して外部回路との接続部としているコイルユニットであって、前記接続部を補強する補強線を含み、前記補強線が前記巻線支持部材に係合し、該補強線の少なくとも一端部が前記巻線の接続部と同方向に引出されており、前記巻線の接続部と前記補強線の一端部とが一体に捩られて縒り線となっているコイルユニットにより達成できる。   The object mentioned above is a coil unit including a winding and a winding support member around which the winding is wound, and an end portion of the winding is drawn from the winding support member to be a connection portion with an external circuit A reinforcing wire that reinforces the connecting portion, the reinforcing wire engages with the winding support member, and at least one end of the reinforcing wire is drawn out in the same direction as the connecting portion of the winding. This can be achieved by a coil unit in which the connecting portion of the winding and the one end portion of the reinforcing wire are twisted integrally to form a twisted wire.

本発明によると、巻線支持部材から引出した巻線の接続部が補強線の一端部と一体に捩られて縒り線を形成するので、簡単な構成で巻線の接続部を補強し断線を防止した構造を実現できる。更に、巻線と同じ線材を補強線として用いれば部品点数を増加させることもない。
また、前記補強線が折り曲げられて折返し部が前記巻線支持部材に掛けられ、該補強線の両端部が該巻線支持部材に対して同方向に引出されており、前記巻線の接続部と前記補強線の両端部とを一体に捩り縒り線とすれば、巻線の断線をより確実に防止できる。
また、前記巻線から前記接続部を引出す位置において、前記巻線と前記補強線とを接着すれば、巻線の断線をより確実に防止できる。 According to the present invention, since the connecting portion of the winding drawn from the winding supporting member is twisted integrally with one end of the reinforcing wire to form a twisted wire, the connecting portion of the winding is reinforced with a simple configuration and the disconnection is prevented. Prevented structure can be realized. Furthermore, if the same wire material as the winding is used as the reinforcing wire, the number of parts is not increased.
Further, the reinforcing wire is bent, the folded portion is hung on the winding support member, and both ends of the reinforcing wire are drawn out in the same direction with respect to the winding support member, and the connecting portion of the winding If both ends of the reinforcing wire are twisted and twisted together, the wire breakage can be more reliably prevented.
Further, if the winding and the reinforcing wire are bonded to each other at a position where the connecting portion is pulled out from the winding, the disconnection of the winding can be more reliably prevented.

そして、前記巻線支持部材をモータ用のステータとした場合にはステータユニットを形成することができる。このようなステータユニットを一部に含むモータは低価格で信頼性のあるアクチュエータとして提供できる。   When the winding support member is a motor stator, a stator unit can be formed. A motor partially including such a stator unit can be provided as a low-cost and reliable actuator.

また、上記目的は、巻線を巻線支持部材に巻回して、前記巻線の端部を前記巻線支持部材から引出して外部回路との接続部とするステップと、補強線を前記巻線支持部材に係合させ、該補強線の少なくとも一端部を前記巻線の接続部と同方向に引出し、前記巻線の接続部と前記補強線の一端部とを一体に捩るステップとを含むコイルユニットの製造方法によっても達成される。   Further, the object is to wind a winding around a winding support member, and to draw an end of the winding from the winding support member to be a connection portion with an external circuit; A coil including engaging a support member, pulling out at least one end of the reinforcing wire in the same direction as the connecting portion of the winding, and twisting the connecting portion of the winding and one end of the reinforcing wire together It is also achieved by the unit manufacturing method.

本発明によると、簡単な構成で巻線の接続部の断線を防止でき、コスト低減の面でも優れているコイルユニット、モータ及びコイルユニットの製造方法を提供できる。   According to the present invention, it is possible to provide a coil unit, a motor, and a method for manufacturing a coil unit that can prevent disconnection of a winding connection portion with a simple configuration and are excellent in terms of cost reduction.

以下、図面を参照して本発明の一実施形態を説明する。以下においては、巻線を巻回する巻線支持部材を所定形状のステータとしたステータユニットとしてコイルユニットを使用した場合、及びこれを含むステップモータの構成例を示す。   Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the following, a configuration example of a step motor including the case where a coil unit is used as a stator unit in which a winding support member that winds a winding is used as a stator having a predetermined shape is shown.

図１はステータユニット１について示した図である。ステータユニット１は略Ｕ字状に形成したステータ２と、このステータ２の両側のアーム部それぞれに巻回されている巻線６、７とを備えている。   FIG. 1 is a view showing the stator unit 1. The stator unit 1 includes a stator 2 formed in a substantially U shape, and windings 6 and 7 wound around arm portions on both sides of the stator 2.

ステータ２は軟磁性材料を所定形状に形成した巻線支持部材である。このステータ２には、３個の磁極３、４、５が形成されている。この磁極に対向するように図示しないロータが配置される。ステータ２の第１アーム部２ａには第１の巻線６が巻回されて第１コイル部が形成されている。同様に反対側の第２アーム部２ｂには第２の巻線７が巻回されて第２コイル部が形成されている。巻線６，７としては、例えば径が約４５μｍ程度の細いエナメル銅線等を使用することができる。   The stator 2 is a winding support member in which a soft magnetic material is formed in a predetermined shape. The stator 2 is formed with three magnetic poles 3, 4, and 5. A rotor (not shown) is arranged so as to face this magnetic pole. A first coil portion is formed by winding a first winding 6 around the first arm portion 2 a of the stator 2. Similarly, the second coil portion is formed by winding the second winding 7 around the second arm portion 2b on the opposite side. As the windings 6 and 7, for example, a thin enameled copper wire having a diameter of about 45 μm can be used.

第１巻線６は第１アーム部２ａに所定数巻回され、その両端部がステータ２の外方に引出されて、不図示の外部回路との接続部６ａ、６ｂとなっている。ところが、この接続部６ａ、６ｂとなる巻線は上記のように極めて細い。そこで、このステータユニット１は補強線１０を用いて接続部６ａ、６ｂを補強している。   The first winding 6 is wound around the first arm portion 2a by a predetermined number of times, and both ends thereof are drawn out of the stator 2 to form connection portions 6a and 6b with external circuits (not shown). However, the windings to be the connection portions 6a and 6b are extremely thin as described above. Therefore, the stator unit 1 reinforces the connecting portions 6a and 6b using the reinforcing wire 10.

補強線１０は巻線６、７とは別体の線材である。図１は接続部６ａについて補強線１０を用いて補強構造を形成する様子を示している。補強線１０はＵ字状に折り曲げられ、その折返し部１０ｃが第１アーム部２ａの内周側に掛けられている。折返し部１０ｃを掛ける位置は、接続部６ａを巻線６から引出す位置と対応させることが好ましい。第１アーム部２ａに折返し部１０ｃを掛けた補強線１０は、両端部１０ａ、１０ｂがステータ２に対して同方向（図１では、右方向）に引出されている。   The reinforcing wire 10 is a separate wire from the windings 6 and 7. FIG. 1 shows a state in which a reinforcing structure is formed using a reinforcing wire 10 for the connecting portion 6a. The reinforcing wire 10 is bent in a U shape, and the folded portion 10c is hung on the inner peripheral side of the first arm portion 2a. It is preferable that the position at which the folded portion 10 c is applied corresponds to the position at which the connecting portion 6 a is pulled out from the winding 6. The reinforcing wire 10 in which the folded portion 10c is hung on the first arm portion 2a has both end portions 10a and 10b drawn out in the same direction (right direction in FIG. 1) with respect to the stator 2.

折返し部１０ｃを第１アーム部２ａに引っ掛けると、図示しているように、巻線６の一端である接続部６ａと補強線１０の両端部１０ａ及び１０ｂとが略同じ位置に引出される状態となる。ここで、３本の線を矢印Ｒで示すように捩って一体的な縒り線とする。図１は、接続部６ａについて示しているが、他方の接続部６ｂについても同様の縒り線構造を形成する。さらに、反対側に配置されている第２の巻線７の接続部７ａ、７ｂについても同様の縒り線構造を形成する。   When the folded portion 10c is hooked on the first arm portion 2a, as shown in the drawing, the connection portion 6a that is one end of the winding 6 and the both end portions 10a and 10b of the reinforcing wire 10 are pulled out to substantially the same position. It becomes. Here, the three lines are twisted as shown by the arrow R to form an integral winding line. Although FIG. 1 shows the connection portion 6a, a similar twisted line structure is formed for the other connection portion 6b. Further, the same twisted wire structure is formed for the connecting portions 7a and 7b of the second winding 7 arranged on the opposite side.

以上で説明したようにステータユニット１は、ステータ２に掛けて折り返した２本の補強線１０ａ、１０ｂと共に、巻線の各接続部６ａ、６ｂ、７ａ、７ｂを一体に捩るという簡単構成で各接続部の補強構造を実現する。本発明の縒り線構造によれば、１本の巻線６、７よりも接続部６ａ、６ｂ、７ａ、７ｂの径が太くなるので、巻線６、７が引張力によって断線することを防止できる。さらに、接続部６ａ、６ｂ、７ａ、７ｂに引張力が加わっても、補強線１０の折返し部１０ｃがステータ２に引っ掛かるので、巻線６、７の断線をより確実に防止できる。そして、補強線１０用の線材として、巻線６、７と同質の素材を採用すれば新たな線材を準備する必要もないので、この縒り線構造は極めて簡単に実現できる。また、この縒り線構造は、巻線６、７の径よりも若干太くなった程度で、過度に硬くなることがないので、駆動回路等の外部装置と接続作業を楽に行える組付け性にも優れた構造となる。   As described above, the stator unit 1 has a simple configuration in which the connecting portions 6a, 6b, 7a, and 7b of the winding are integrally twisted together with the two reinforcing wires 10a and 10b that are folded over the stator 2. Realize the reinforcement structure of the connection part. According to the twisted wire structure of the present invention, the diameter of the connecting portions 6a, 6b, 7a, 7b is larger than that of the single winding 6, 7, so that the windings 6, 7 are prevented from being disconnected by a tensile force. it can. Furthermore, even if a tensile force is applied to the connecting portions 6a, 6b, 7a, 7b, the folded portion 10c of the reinforcing wire 10 is hooked on the stator 2, so that the breakage of the windings 6, 7 can be more reliably prevented. If a material having the same quality as that of the windings 6 and 7 is used as the wire for the reinforcing wire 10, it is not necessary to prepare a new wire, so this twisted wire structure can be realized very easily. This twisted wire structure is slightly thicker than the diameters of the windings 6 and 7 and does not become excessively hard. Therefore, it can be easily assembled with an external device such as a drive circuit. Excellent structure.

なお、各巻線６，７から接続部６ａ、６ｂ、７ａ、７ｂを引出す位置に接着剤を塗布して、巻線６、７を補強線１０の両端部１０ａ、１０ｂと共に固定しておくことが好ましい。そして、縒り線の先端部は駆動回路の接続パッド等に一体に半田付けするのが好ましい。このようにすれば、縒り線が両側で固定されるので捩じった部分を安定に保持できる。また、引張力による巻線の断線もより確実に防止できる。   It is to be noted that an adhesive is applied to the positions where the connecting portions 6a, 6b, 7a, 7b are drawn from the respective windings 6, 7, and the windings 6, 7 are fixed together with both end portions 10a, 10b of the reinforcing wire 10. preferable. And it is preferable to solder the front-end | tip part of a winding wire integrally to the connection pad etc. of a drive circuit. In this way, the twisted portion can be stably held because the twisted line is fixed on both sides. Moreover, the disconnection of the winding due to the tensile force can be prevented more reliably.

また、例えば作業性よりも断線を確実に防止した場合には太い線材を補強線１０に採用すればよい。このよう補強線の線材を適宜に選択することにより、要求に応じた縒り線構造を形成できる。   Further, for example, when wire breakage is surely prevented rather than workability, a thick wire may be adopted for the reinforcing wire 10. By appropriately selecting the reinforcing wire, a twisted wire structure can be formed as required.

図１で示しているステップユニット１の製造方法をまとめると以下の通りである。ステータ２のアーム部２ａ、２ｂそれぞれに巻線６、７を所定回数巻回して、端部を引出して接続部６ａ、６ｂ、７ａ、７ｂとする。４本の補強線１０を準備してそれぞれを折り曲げ、折返し部１０ｃを接続部６ａ、６ｂ、７ａ、７ｂを引出した位置に引っ掛けて、各接続部及び各補強線１０の両端部１０ａ、１０ｂの３本の線を一体に捩る。各接続部６ａ、６ｂ、７ａ、７ｂを引出している部分に接着剤を塗布して接続部６ａ、６ｂ、７ａ、７ｂと補強線１０を一緒にステータ２に固定する。最後に４本の縒り線の先端部を外部装置（駆動回路等）の接続パッドに半田で接続すればよい。   The manufacturing method of the step unit 1 shown in FIG. 1 is summarized as follows. Windings 6 and 7 are wound around the arm portions 2a and 2b of the stator 2 a predetermined number of times, respectively, and the end portions are drawn out to form connection portions 6a, 6b, 7a and 7b. Four reinforcing wires 10 are prepared and bent, and the folded portion 10c is hooked to the position where the connecting portions 6a, 6b, 7a and 7b are pulled out, and the connecting portions and both end portions 10a and 10b of the reinforcing wires 10 are connected. Twist the three wires together. Adhesive is applied to the portions from which the connecting portions 6 a, 6 b, 7 a, 7 b are drawn, and the connecting portions 6 a, 6 b, 7 a, 7 b and the reinforcing wire 10 are fixed together to the stator 2. Finally, the tips of the four strands may be connected to the connection pads of the external device (drive circuit, etc.) with solder.

図２は、図１で示すステータユニット１を構成の一部として含むステップモータ２０を示した図である。このステップモータ２０のロータ２１はステータユニット１の３個の磁極３、４、５と対向するように配置されている。ロータ２１は、Ｎ磁極及びＳ磁極をそれぞれ２個ずつ（Ｎ１，Ｎ２及びＳ１、Ｓ２）を備えた４磁極構成である。このロータ２１は同一磁極が互いに対向する位置に着磁された永久磁石であり、両方向へ回動自在に設定されている。ロータ軸２２はロータ２１の中心に設けられており、ロータ２１の回転に伴って一体的に回転する。このステップモータ２０は前述したステータユニット１を含むので、低価格で信頼性のあるモータとなる。   FIG. 2 is a diagram showing a step motor 20 including the stator unit 1 shown in FIG. 1 as a part of its configuration. The rotor 21 of the step motor 20 is disposed so as to face the three magnetic poles 3, 4, 5 of the stator unit 1. The rotor 21 has a four-pole configuration including two N-poles and two S-poles (N1, N2, and S1, S2). The rotor 21 is a permanent magnet in which the same magnetic poles are magnetized at positions facing each other, and is set to be rotatable in both directions. The rotor shaft 22 is provided at the center of the rotor 21 and rotates integrally with the rotation of the rotor 21. Since the step motor 20 includes the stator unit 1 described above, it becomes a low-cost and reliable motor.

上記実施例はステータ２を巻線支持部材として巻線６、７を巻回したステータユニット１について説明している。ステータ２は巻線６、７が巻回される巻線支持部材の一形態である。すなわち、ステータユニット１はコイルユニットの一形態として示したものである。よって、ボビンを巻線支持部材とするコイルユニットについても前述した縒り線構造を適用できる。例えば円筒状のボビンに補強線を引っ掛けて縒り線構造を同様に形成できる。また、巻線を引出す部分のボビンの周部に係止爪を設け、この係止爪に補強線の折返し部を引っ掛けるようにしてもよい。   The above embodiment describes the stator unit 1 in which the windings 6 and 7 are wound using the stator 2 as a winding support member. The stator 2 is a form of a winding support member around which the windings 6 and 7 are wound. That is, the stator unit 1 is shown as one form of the coil unit. Therefore, the above-described twisted wire structure can be applied to a coil unit using a bobbin as a winding support member. For example, a reinforcing wire can be hooked on a cylindrical bobbin to similarly form a twisted wire structure. Further, a locking claw may be provided on the peripheral portion of the bobbin where the winding is drawn out, and the folded portion of the reinforcing wire may be hooked on the locking claw.

また、上記実施例では、補強線１０の両端部１０ａ、１０ｂと各巻線６、７の接続部６ａ、６ｂ、７ａ、７ｂとを３本ずつ縒り線としたが、本発明はこれに限らない。例えば、補強線１０の折り返し部１０ｃをステータ２に引っ掛け、補強線１０の一端部１０ａをステータ２に巻回し、他端部１０ｂを巻線６、７の各接続部と同方向に引出し、巻線６、７の各接続部と補強線１０の他端部ｂとを一体に捩って縒り線としてもよい。   Moreover, in the said Example, although the both ends 10a and 10b of the reinforcement wire 10 and the connection parts 6a, 6b, 7a, and 7b of each coil | winding 6 and 7 were used as a twist line, this invention is not restricted to this. . For example, the folded portion 10 c of the reinforcing wire 10 is hooked on the stator 2, one end portion 10 a of the reinforcing wire 10 is wound around the stator 2, and the other end portion 10 b is pulled out in the same direction as the connecting portions of the windings 6 and 7. The connecting portions of the wires 6 and 7 and the other end b of the reinforcing wire 10 may be twisted together to form a twisted wire.

以上本発明の好ましい一実施形態について詳述したが、本発明は係る特定の実施形態に限定されるものではなく、特許請求の範囲に記載された本発明の要旨の範囲内において、種々の変形・変更が可能である。   The preferred embodiment of the present invention has been described in detail above, but the present invention is not limited to the specific embodiment, and various modifications can be made within the scope of the gist of the present invention described in the claims.・ Change is possible.

実施形態に係るステータユニットについて示した図である。It is the figure shown about the stator unit which concerns on embodiment. 図１で示すステータユニットを構成の一部として含むステップモータを示した図である。It is the figure which showed the step motor which contains the stator unit shown in FIG. 1 as a part of structure.

符号の説明Explanation of symbols

１ ステータユニット（コイルユニット）
２ ステータ
２ａ 第１アーム部
２ｂ 第２アーム部
３、４、５ 磁極
６ 第１の巻線
６ａ、６ｂ 接続部
７ 第２の巻線
７ａ、７ｂ 接続部
１０ 補強線
１０ｃ 折返し部
１０ａ、１０ｂ 補強線の両端部
２０ ステップモータ
２１ ロータ
1 Stator unit (coil unit)
2 Stator 2a 1st arm part 2b 2nd arm part 3, 4, 5 Magnetic pole 6 1st coil | winding 6a, 6b Connection part 7 2nd coil | winding 7a, 7b Connection part 10 Reinforcement line 10c Folding part 10a, 10b Reinforcement Both ends of the wire 20 Step motor 21 Rotor

Claims (3)

巻線と、該巻線が巻回される巻線支持部材とを含み、前記巻線の端部を前記巻線支持部材から引出して外部回路との接続部としているコイルユニットであって、
前記接続部を補強する補強線を含み、
前記補強線が前記巻線支持部材に係合し、該補強線の両端部が前記巻線の接続部と同方向に引出されており、
前記補強線が折り曲げられて折返し部が前記巻線支持部材に掛けられ、該補強線の両端部が該巻線支持部材に対して同方向に引出されており、
前記巻線の接続部と前記補強線の両端部とが一体に捩られて縒り線となっており、
前記巻線から前記接続部を引出す位置において、前記巻線と前記補強線とが接着され、
前記巻線支持部材がモータ用のステータであり、
前記補強線は、前記巻線と同じ線材である、ことを特徴とするコイルユニット。 A coil unit including a winding and a winding support member around which the winding is wound, wherein an end portion of the winding is drawn out from the winding support member and used as a connection portion with an external circuit,
Including a reinforcing wire for reinforcing the connecting portion;
The reinforcing wire is engaged with the winding support member, and both ends of the reinforcing wire are drawn out in the same direction as the connecting portion of the winding,
The reinforcing wire is bent and the folded portion is hung on the winding support member, and both end portions of the reinforcing wire are drawn out in the same direction with respect to the winding support member,
The connecting portion of the winding and the both ends of the reinforcing wire are twisted integrally to form a twisted wire,
At the position where the connecting portion is pulled out from the winding, the winding and the reinforcing wire are bonded,
The winding support member is a stator for a motor;
The coil unit, wherein the reinforcing wire is the same wire as the winding. 請求項１に記載のコイルユニットを含むことを特徴とするモータ。 A motor comprising the coil unit according to claim 1. 巻線を巻線支持部材に巻回して、前記巻線の端部を前記巻線支持部材から引出して外部回路との接続部とするステップと、
補強線を前記巻線支持部材に係合させ、該補強線の両端部を前記巻線の接続部と同方向に引出し、前記巻線の接続部と前記補強線の両端部とを一体に捩るステップとを含み、
前記補強線が折り曲げられて折返し部が前記巻線支持部材に掛けられ、該補強線の両端部が該巻線支持部材に対して同方向に引出されており、
前記巻線の接続部と前記補強線の両端部とが一体に捩られて縒り線となっており、
前記巻線から前記接続部を引出す位置において、前記巻線と前記補強線とが接着され、
前記巻線支持部材がモータ用のステータであり、
前記補強線は、前記巻線と同じ線材である、ことを特徴とするコイルユニットの製造方法。 Winding a winding around a winding support member, and drawing an end of the winding from the winding support member to be a connection portion with an external circuit;
The reinforcing wire is engaged with the winding supporting member, drawer both ends of the reinforcing wire in the same direction as the connection portion of the winding, twisting and both ends of the reinforcing wires and the connecting portions of the windings together Including steps,
The reinforcing wire is bent and the folded portion is hung on the winding support member, and both end portions of the reinforcing wire are drawn out in the same direction with respect to the winding support member,
The connecting portion of the winding and the both ends of the reinforcing wire are twisted integrally to form a twisted wire,
At the position where the connecting portion is pulled out from the winding, the winding and the reinforcing wire are bonded,
The winding support member is a stator for a motor;
The method of manufacturing a coil unit, wherein the reinforcing wire is the same wire as the winding.
JP2005016354A 2005-01-25 2005-01-25 Coil unit, motor, and method of manufacturing coil unit Expired - Fee Related JP4520865B2 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5325862A (en) * 1976-08-20 1978-03-10 Matsushita Electric Ind Co Ltd Coil parts and method of manufacturing thereof
JPS5562029U (en) * 1978-10-19 1980-04-26
JPS58187109U (en) * 1982-06-08 1983-12-12 松下電器産業株式会社 Trance

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5325862A (en) * 1976-08-20 1978-03-10 Matsushita Electric Ind Co Ltd Coil parts and method of manufacturing thereof
JPS5562029U (en) * 1978-10-19 1980-04-26
JPS58187109U (en) * 1982-06-08 1983-12-12 松下電器産業株式会社 Trance

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