JP2007202289A - Lead frame and power distribution part using it - Google Patents

Lead frame and power distribution part using it Download PDF

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JP2007202289A
JP2007202289A JP2006017398A JP2006017398A JP2007202289A JP 2007202289 A JP2007202289 A JP 2007202289A JP 2006017398 A JP2006017398 A JP 2006017398A JP 2006017398 A JP2006017398 A JP 2006017398A JP 2007202289 A JP2007202289 A JP 2007202289A
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lead frame
coil terminal
coil
power distribution
relay
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JP4650284B2 (en
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Kenichi Egami
健一 江上
Toru Washimi
亨 鷲見
Kazuyuki Watanabe
和之 渡辺
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Hitachi Cable Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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    • Y02T10/64—Electric machine technologies in electromobility

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Abstract

<P>PROBLEM TO BE SOLVED: To provide a lead frame that can be miniaturized and a power distribution part using it. <P>SOLUTION: In the lead frame 1 for connecting with motor coils 31, the lead frame 1 is formed into a roughly annular shape with a line conductor 2 by bending process, and coil terminal portions 3 for connecting with the motor coil are provided. To the coil terminal portions 3, a relay part 4, one end of which is connected to the coil terminal portions 3 and the other end of which is connected to the motor coils 31, is attached. The coil terminal portions 3 and the one end of the relay parts 4 are welded in the crossing direction to a plane including the rough annular shape made by the lead frame 10. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、例えばハイブリッド車、電気自動車等に用いられるモータのモータコイルの結線に供されるリードフレーム及びそれを用いた配電部品に関する。   The present invention relates to a lead frame used for connection of a motor coil of a motor used in, for example, a hybrid vehicle and an electric vehicle, and a power distribution component using the lead frame.

ハイブリッド自動車や電気自動車に用いられるモータのモータコイルの結線を行うために、配電部品が用いられている。配電部品は、複数の（例えばＵ相、Ｖ相、Ｗ相の）リードフレームを有し、それらリードフレームを一体化したものである。従来のリードフレームとして銅板を打ち抜き加工してリードフレームを製作したものや、導体に絶縁被覆した電線を折り曲げ加工してリードフレームを製作したものがある（特許文献１，２参照）。   Distribution parts are used to connect motor coils of motors used in hybrid vehicles and electric vehicles. The power distribution component has a plurality of (for example, U-phase, V-phase, and W-phase) lead frames, and these lead frames are integrated. As a conventional lead frame, there are a lead frame manufactured by punching a copper plate, and a lead frame manufactured by bending a conductor insulatively coated on a conductor (see Patent Documents 1 and 2).

図４に示すように、従来の配電部品４１は、単線の導体、例えば導線に絶縁被覆した電線４２を折り曲げ加工により略円環状に成形してリードフレーム４０を製作し、Ｕ相、Ｖ相、Ｗ相のリードフレーム４０を固定手段ｒにより一体化したものである。   As shown in FIG. 4, a conventional power distribution component 41 is a single wire conductor, for example, a lead frame 40 formed by bending an electric wire 42 insulatively coated on a conductive wire into a substantially annular shape, and producing a U phase, a V phase, A W-phase lead frame 40 is integrated by a fixing means r.

リードフレーム４０には、モータコイルと接続するためのコイル用端子部４３が所定の間隔で複数個設けられている。コイル用端子部４３は絶縁被覆が除去されている。また、リードフレーム４０は電力供給用の電源と接続するための給電用端子部４４を有する。Ｕ相、Ｖ相、Ｗ相のリードフレーム４０は、リードフレーム４０の軸方向に互いに接しないように、かつ各相のリードフレーム４０のコイル用端子部４３、給電用端子部４４が周方向で重ならないように配置され、固定手段ｒにより一体化される。   The lead frame 40 is provided with a plurality of coil terminal portions 43 to be connected to the motor coils at a predetermined interval. The coil terminal portion 43 has an insulating coating removed. The lead frame 40 has a power supply terminal portion 44 for connection to a power supply for power supply. The U-phase, V-phase, and W-phase lead frames 40 are not in contact with each other in the axial direction of the lead frame 40, and the coil terminal portions 43 and the power supply terminal portions 44 of the lead frames 40 of the respective phases are circumferential. It arrange | positions so that it may not overlap, and is integrated by the fixing means r.

図５（ａ）および図５（ｂ）に示すように、配電部品４１とモータコイル５１の接続部は、配電部品４０のコイル用端子部４３と、コイル用端子部４３と一端が接続される中継部品５２と、中継部品５２の他端と接続されるモータコイル５１の先端部から構成される。   As shown in FIG. 5A and FIG. 5B, the connection part between the power distribution component 41 and the motor coil 51 is connected at one end to the coil terminal part 43 and the coil terminal part 43 of the power distribution part 40. The relay component 52 and the tip of the motor coil 51 connected to the other end of the relay component 52 are configured.

接続作業は、モータコイル５１を有するステータに配電部品４０を組み込んだ後、コイル用端子部４３と中継部品５２の一端と、中継部品５２の他端とモータコイル５１の先端との２箇所を溶接により接続する。   For the connection work, after the power distribution component 40 is incorporated into the stator having the motor coil 51, the coil terminal portion 43, one end of the relay component 52, the other end of the relay component 52, and the tip of the motor coil 51 are welded. Connect with.

特許第３６８１３６６号公報Japanese Patent No. 3681366 特許第３７０１６３９号公報Japanese Patent No. 3701439

しかしながら、従来の配電部品４１の構造では、コイル用端子部４３と中継部品５２の一端と、中継部品５２の他端とモータコイル５１の先端との２箇所を溶接する際、図５（ｂ）に示すように、溶接電極５３を円環状の配電部品４１の円周方向に沿って配置する必要がある。従来の配電部品４１では、コイル用端子部４３の溶接面と中継部品５２の溶接面が配電部品４１（リードフレーム４０）のなす略円環を含む平面に対して平行である。   However, in the structure of the conventional power distribution component 41, when welding the two portions of the coil terminal portion 43, one end of the relay component 52, the other end of the relay component 52, and the tip of the motor coil 51, FIG. As shown in FIG. 2, the welding electrode 53 needs to be arranged along the circumferential direction of the annular power distribution component 41. In the conventional power distribution component 41, the welded surface of the coil terminal portion 43 and the welded surface of the relay component 52 are parallel to a plane including a substantially ring formed by the power distribution component 41 (lead frame 40).

したがって、配電部品４１を設計する際に、溶接電極５３を配置するためのスペースを確保する必要があった。具体的には、図５（ｂ）に示すように、１つのコイル用端子部４３に対して４つの溶接電極５３のスペースが必要である。これは、配電部品４１を小型化するとき、例えば円環状の配電部品４１の径を小さくするときなどに、スペースの確保が困難となり、設計上の制約となっていた。   Therefore, when designing the power distribution component 41, it is necessary to secure a space for arranging the welding electrode 53. Specifically, as shown in FIG. 5B, four welding electrodes 53 are required for one coil terminal portion 43. This makes it difficult to secure a space when the power distribution component 41 is downsized, for example, when the diameter of the annular power distribution component 41 is reduced.

また、ステータに配電部品４１を組み込む前に、配電部品４１に中継部品５２を接続することも考えられるが、軸方向の寸法が大きくなってしまうという問題がある。   In addition, it is conceivable to connect the relay component 52 to the power distribution component 41 before incorporating the power distribution component 41 into the stator, but there is a problem that the dimension in the axial direction becomes large.

そこで、本発明の目的は、小型化が可能であるリードフレーム及びそれを用いた配電部品を提供することにある。   Therefore, an object of the present invention is to provide a lead frame that can be miniaturized and a power distribution component using the lead frame.

本発明は上記目的を達成するために創案されたものであり、請求項１の発明は、モータコイルと結線するためのリードフレームにおいて、
そのリードフレームが線状導体により略円環状に折り曲げ加工されると共に、前記モータコイルと接続するためのコイル用端子部が設けられ、
そのコイル用端子部に、一端が前記コイル用端子部に他端が前記モータコイルに接続される中継部品が取り付けられており、
前記コイル用端子部と中継部品の一端とが、リードフレームのなす略円環を含む平面に対して交差する方向に溶接されているリードフレームである。 The present invention was devised to achieve the above object, and the invention of claim 1 is a lead frame for connecting to a motor coil.
The lead frame is bent into a substantially annular shape by a linear conductor, and a coil terminal for connecting to the motor coil is provided,
A relay part having one end connected to the coil terminal and the other end connected to the motor coil is attached to the coil terminal.
In the lead frame, the coil terminal portion and one end of the relay component are welded in a direction intersecting with a plane including a substantially ring formed by the lead frame.

請求項２の発明は、前記中継部品は、前記コイル用端子部から径方向に延出した径方向部と、その径方向部から周方向に延出した周方向部とからなる請求項１記載のリードフレームである。   According to a second aspect of the present invention, the relay component includes a radial portion extending in a radial direction from the coil terminal portion and a circumferential portion extending in a circumferential direction from the radial portion. Lead frame.

請求項３の発明は、上記中継部品の一端は前記コイル用端子を挟むように略コ字状に形成され、上記中継部品の他端は前記モータコイルを挟むように略コ字状に形成される請求項１または２記載のリードフレームである。   According to a third aspect of the present invention, one end of the relay component is formed in a substantially U shape so as to sandwich the coil terminal, and the other end of the relay component is formed in a substantially U shape so as to sandwich the motor coil. The lead frame according to claim 1 or 2.

請求項４の発明は、前記コイル用端子部と前記中継部品の一端とは、リードフレームの軸方向に溶接されている請求項１〜３いずれかに記載のリードフレームである。   A fourth aspect of the present invention is the lead frame according to any one of the first to third aspects, wherein the coil terminal portion and one end of the relay part are welded in the axial direction of the lead frame.

請求項５の発明は、導体に絶縁被覆を施した線状導体を複数本撚り合わせ、撚り合わせた複数本の線状導体を略円環状に折り曲げ加工して形成した請求項１〜４いずれかに記載のリードフレームである。   The invention of claim 5 is formed by twisting a plurality of linear conductors having an insulation coating on the conductor and bending the twisted plurality of linear conductors into a substantially annular shape. It is a lead frame as described in.

請求項６の発明は、前記線状導体は、導体にＰＦＡ、ＰＴＦＥ、ＥＴＦＥ、ＦＥＰ、ＰＶＴＦなどのふっ素樹脂絶縁体を被覆した電線、または導体にポリアミドイミド、ポリイミド、ポリエステルイミド、ポリエステルなどの絶縁樹脂で被覆したエナメル線である請求項１〜５いずれかに記載のリードフレームである。   According to a sixth aspect of the present invention, the linear conductor is an electric wire in which a conductor is coated with a fluororesin insulator such as PFA, PTFE, ETFE, FEP, and PVTF, or the conductor is insulated with polyamideimide, polyimide, polyesterimide, polyester, or the like. The lead frame according to claim 1, which is an enameled wire coated with a resin.

請求項７の発明は、請求項１〜６いずれかに記載したリードフレームを複数個用い、これらを重ねて形成した配電部品である。   A seventh aspect of the invention is a power distribution component formed by using a plurality of lead frames according to any one of the first to sixth aspects and overlapping the lead frames.

請求項８の発明は、前記複数個のリードフレームは、固定手段で部分的に固定されることにより一体化されている請求項７記載の配電部品である。   The invention according to claim 8 is the power distribution component according to claim 7, wherein the plurality of lead frames are integrated by being partially fixed by a fixing means.

本発明によれば、リードフレームの小型化が可能である。   According to the present invention, the lead frame can be reduced in size.

以下、本発明の好適な実施形態を添付図面にしたがって説明する。   Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

図１は、本発明の好適な実施形態を示すリードフレームの平面図である。   FIG. 1 is a plan view of a lead frame showing a preferred embodiment of the present invention.

図１に示すように、本実施形態に係るリードフレーム１０は、線状導体２を略円環状に折り曲げ加工して形成される。線状導体２としては、単線の導体に絶縁被覆を施した電線を用い、その電線を略円環状に折り曲げ加工して製作する。単線の導体として例えば銅線を用いることができ、強度や加工性を考慮して、その直径は１〜５ｍｍのものが好適に使用できる。   As shown in FIG. 1, the lead frame 10 according to the present embodiment is formed by bending a linear conductor 2 into a substantially annular shape. The linear conductor 2 is manufactured by using an electric wire obtained by coating a single wire conductor with an insulating coating, and bending the electric wire into a substantially annular shape. For example, a copper wire can be used as the single-wire conductor, and a diameter of 1 to 5 mm can be suitably used in consideration of strength and workability.

絶縁被覆の材料としては、例えば、ふっ素樹脂絶縁体（例えば、ＰＦＡ、ＰＴＦＥ、ＥＴＦＥ、ＦＥＰ、ＰＶＴＦなど）が使用できる。また、線状導体２としては、銅線にポリアミドイミド、ポリイミド、ポリエステルイミド、ポリエステルなどの絶縁樹脂を被覆したエナメル線を用いることができる。   As a material for the insulation coating, for example, a fluororesin insulator (for example, PFA, PTFE, ETFE, FEP, PVTF, etc.) can be used. As the linear conductor 2, an enameled wire obtained by coating a copper wire with an insulating resin such as polyamideimide, polyimide, polyesterimide, or polyester can be used.

また、リードフレーム１０は、前記電線を複数本撚り合わせ、撚り合わせた複数本の電線を略円環状に折り曲げ加工して製作してもよい。なお、略円環状に形成されたリードフレームとしては、厳密に円環状のものに限られるものではなく、部分的に径が小さくなった（あるいは大きくなった）凹部（あるいは凸部）を有するような環状のものであってもよい。   The lead frame 10 may be manufactured by twisting a plurality of the wires and bending the twisted wires into a substantially annular shape. The lead frame formed in a substantially annular shape is not strictly limited to an annular shape, and has a concave portion (or convex portion) whose diameter is partially reduced (or increased). An annular shape may be used.

線状導体２には、モータコイルと接続するためのコイル用端子部３が径方向内側に突出して複数個（図１では６個）所定間隔で（図１では６０°おきに）設けられる。コイル用端子部３は、線状導体２を折り曲げ加工することにより、径方向内側に略台形状または略Ｖ字状に形成される。なお、コイル用端子部は線状導体２を径方向外側に折り曲げて形成してもよい。   The linear conductor 2 is provided with a plurality of coil terminals 3 (six in FIG. 1) at a predetermined interval (every 60 ° in FIG. 1) protruding inward in the radial direction for connection to the motor coil. The coil terminal portion 3 is formed in a substantially trapezoidal shape or a substantially V-shape radially inward by bending the linear conductor 2. The coil terminal portion may be formed by bending the linear conductor 2 radially outward.

コイル用端子部３には、一端がコイル用端子部３に接続されると共に、他端がモータコイルに接続される平面視で略Ｌ字状の中継部品４が取り付けられている。より詳細には、コイル用端子部３と中継部品４の一端とが、リードフレーム１０のなす略円環を含む平面に対して交差する方向に溶接されている。すなわち、コイル用端子部３の溶接面と中継部品４の溶接面が、リードフレーム１０のなす略円環を含む平面に対して交差している。本実施形態では、コイル用端子部３と中継部品４の一端とを、リードフレーム１０の軸方向（リードフレーム１０の略円環を含む平面に対して垂直方向）に溶接した。   A substantially L-shaped relay component 4 is attached to the coil terminal portion 3 in a plan view in which one end is connected to the coil terminal portion 3 and the other end is connected to the motor coil. More specifically, the coil terminal portion 3 and one end of the relay component 4 are welded in a direction intersecting with a plane including a substantially ring formed by the lead frame 10. That is, the welded surface of the coil terminal portion 3 and the welded surface of the relay component 4 intersect with a plane including a substantially ring formed by the lead frame 10. In the present embodiment, the coil terminal portion 3 and one end of the relay component 4 are welded in the axial direction of the lead frame 10 (perpendicular to the plane including the substantial ring of the lead frame 10).

コイル用端子部３の部分は予め絶縁被覆を除去しておき、露出された導体と中継部品４の一端に溶接を行う。また、コイル用端子部３の部分は被覆除去を行わずに、熱により絶縁被覆を溶かしながらコイル用端子部３と中継部品４を溶接するようにすることも可能である。   The insulation terminal coating is removed from the coil terminal portion 3 in advance, and welding is performed on the exposed conductor and one end of the relay component 4. It is also possible to weld the coil terminal portion 3 and the relay component 4 while melting the insulating coating by heat without removing the coating of the coil terminal portion 3.

中継部品４は、コイル用端子部３から径方向内側に延出した幅が広い径方向部４ａと、その径方向部４ａから周方向に延出した幅が狭い周方向部４ｂとからなる。   The relay component 4 includes a wide radial portion 4a extending radially inward from the coil terminal portion 3 and a narrow circumferential portion 4b extending in the circumferential direction from the radial portion 4a.

中継部品４の一端は、コイル用端子３を径方向外側から挟むように略コ字状に形成され、中継部品４の他端はモータコイルを上方から挟むように略コ字状に形成される（図３（ａ）および図３（ｂ）参照）。   One end of the relay component 4 is formed in a substantially U shape so as to sandwich the coil terminal 3 from the outside in the radial direction, and the other end of the relay component 4 is formed in a substantially U shape so as to sandwich the motor coil from above. (See FIGS. 3A and 3B).

中継部品４は、銅板などの金属板からなる。中継部品４は、本実施の形態のように予めリードフレーム１０のコイル用端子部３に溶接しておくことが好ましい。なお、ステータに図２で後述する配電部品を組み込んだ後に、中継部品４を配電部品とモータコイルとに溶接するという２箇所の溶接工程で行うことも可能である。   The relay component 4 is made of a metal plate such as a copper plate. The relay component 4 is preferably welded to the coil terminal portion 3 of the lead frame 10 in advance as in the present embodiment. Note that it is also possible to perform the welding process in two places, in which the relay component 4 is welded to the power distribution component and the motor coil after the power distribution component described later with reference to FIG.

リードフレーム１０は、電力供給用の電源と接続するための１つの給電用端子部５を有し、給電用端子部５は折り曲げ加工により線状導体２の一端と他端とが接した状態でリードフレーム１０の円環の径方向外側に形成した凸部に、端子を圧接や溶接により取り付けて形成したものである。   The lead frame 10 has one power supply terminal portion 5 for connection to a power supply for power supply, and the power supply terminal portion 5 is in a state where one end and the other end of the linear conductor 2 are in contact with each other by bending. A terminal is attached to a convex portion formed on the outer side in the radial direction of the ring of the lead frame 10 by pressure welding or welding.

次に、リードフレーム１０を用いた配電部品を説明する。   Next, a power distribution component using the lead frame 10 will be described.

図２に示すように、本実施形態に係る配電部品１は、Ｕ相、Ｖ相、Ｗ相のリードフレーム１０を有し、これらＵ相、Ｖ相、Ｗ相のリードフレーム１０を軸方向に重ね、固定手段１１（図２では１８個）で部分的に固定することにより一体化して形成したものである。   As shown in FIG. 2, the power distribution component 1 according to the present embodiment has U-phase, V-phase, and W-phase lead frames 10, and these U-phase, V-phase, and W-phase lead frames 10 are arranged in the axial direction. It is formed integrally by overlapping and partially fixing with fixing means 11 (18 pieces in FIG. 2).

固定手段１１は、Ｕ相、Ｖ相、Ｗ相のリードフレーム１０をリードフレーム１０の周方向に間隔をおいて部分的に樹脂モールドを施して形成する。固定手段１１は、本実施形態のものに限られず、Ｕ相、Ｖ相、Ｗ相のリードフレーム１０を一体化できるものであれば、結束バンドなどでもよい。   The fixing means 11 is formed by partially resin molding the U-phase, V-phase, and W-phase lead frames 10 at intervals in the circumferential direction of the lead frame 10. The fixing means 11 is not limited to that of the present embodiment, and may be a binding band or the like as long as the U-phase, V-phase, and W-phase lead frames 10 can be integrated.

Ｕ相、Ｖ相、Ｗ相のリードフレーム１０は、リードフレーム１０の軸方向に互いに接しないように、かつ各相のリードフレーム１０のコイル用端子部３、給電用端子部５が周方向で重ならないように配置されて一体化される。リードフレーム１０はＵ相、Ｖ相、Ｗ相の３個に限られず、第４のリードフレームとして中性相を重ねることも可能であり、複数個であれば特に限定されない。   The U-phase, V-phase, and W-phase lead frames 10 are not in contact with each other in the axial direction of the lead frame 10, and the coil terminal portions 3 and the power supply terminal portions 5 of each phase lead frame 10 are circumferential. They are arranged so that they do not overlap and are integrated. The lead frame 10 is not limited to three U-phase, V-phase, and W-phase, and a neutral phase can be overlapped as the fourth lead frame, and there is no particular limitation as long as it is plural.

図３（ａ）および図３（ｂ）に示すように、配電部品１とモータコイル３１とは、ステータの内周面に配電部品１の外周面が臨むように、ステータ３２に配電部品１を組み込んだ後、接続される。中継部品４の他端はモータコイル３１の先端と溶接される。中継部品４をモータコイル３１と溶接する際は、モータコイル３１の先端を中央に挟むように中継部品４のコ字状の他端を配し、その両側に溶接電極３３を配置して溶接を行う。   As shown in FIG. 3A and FIG. 3B, the power distribution component 1 and the motor coil 31 are arranged on the stator 32 so that the outer peripheral surface of the power distribution component 1 faces the inner peripheral surface of the stator. Connected after installation. The other end of the relay component 4 is welded to the tip of the motor coil 31. When the relay part 4 is welded to the motor coil 31, the U-shaped other end of the relay part 4 is arranged so that the tip of the motor coil 31 is sandwiched in the center, and welding electrodes 33 are arranged on both sides thereof for welding. Do.

これにより、モータ電源からの電力は、給電用端子部５、コイル用接続端子３、中継部品４を介してモータコイル３１への供給が可能になる。   As a result, power from the motor power supply can be supplied to the motor coil 31 via the power supply terminal portion 5, the coil connection terminal 3, and the relay component 4.

本実施形態の作用を説明する。   The operation of this embodiment will be described.

リードフレーム１０では、中継部品４の一端とコイル用端子部３は、リードフレーム１０の軸方向に溶接されている。この構成によれば、中継部品４の一端とコイル用端子部３とを溶接する際、溶接電極３３（図３（ｂ）の一番左側の溶接電極３３）をリードフレーム１０の軸方向に配置することが可能となる。   In the lead frame 10, one end of the relay component 4 and the coil terminal portion 3 are welded in the axial direction of the lead frame 10. According to this configuration, when welding one end of the relay component 4 and the coil terminal portion 3, the welding electrode 33 (the leftmost welding electrode 33 in FIG. 3B) is arranged in the axial direction of the lead frame 10. It becomes possible to do.

これにより、中継部品４の一端とコイル用端子部３を溶接するための溶接電極３３を配置するスペースを、配電部品１の円周方向に沿って確保する必要がなくなり、リードフレーム１０および配電部品１の小型化が可能となる。具体的には、図３（ｂ）に示すように、１つのコイル用端子部３に対して３つの溶接電極３３で間に合う。   Thereby, it is not necessary to secure a space for arranging the welding electrode 33 for welding the one end of the relay component 4 and the coil terminal portion 3 along the circumferential direction of the power distribution component 1, and the lead frame 10 and the power distribution component. 1 can be miniaturized. Specifically, as shown in FIG. 3B, three welding electrodes 33 are in time for one coil terminal portion 3.

また、リードフレーム１０として、コイル用端子部３に中継部品４を予め取り付けた形態の場合には、モータコイル３１を有するステータ３２に配電部品１を組み込んだ後、中継部品４の他端とモータコイル３１との１箇所の溶接工程のみでステータ３２への配電部品１の取付け作業が完了する。この場合、リードフレーム１０を用いた配電部品１は、短時間でモータコイル３１と接続できる。   Further, in the case where the relay component 4 is previously attached to the coil terminal portion 3 as the lead frame 10, after the power distribution component 1 is assembled in the stator 32 having the motor coil 31, the other end of the relay component 4 and the motor The mounting operation of the power distribution component 1 to the stator 32 is completed by only one welding process with the coil 31. In this case, the power distribution component 1 using the lead frame 10 can be connected to the motor coil 31 in a short time.

なお、コイル用端子部と中継部品の一端の溶接方向は、リードフレーム１０の軸方向に限られず、リードフレーム１０のなす略円環を含む平面に対して交差する方向、言い換えればリードフレーム１０の略円環を含む平面上外の方向であればよい   Note that the welding direction of the coil terminal portion and one end of the relay component is not limited to the axial direction of the lead frame 10, but is a direction intersecting with a plane including the substantially ring formed by the lead frame 10, in other words, the lead frame 10. It may be in a direction outside the plane including a substantially circular ring.

本発明の好適な実施形態を示すリードフレームの平面図である。1 is a plan view of a lead frame showing a preferred embodiment of the present invention. 図１に示したリードフレームを用いた配電部品の平面図である。FIG. 2 is a plan view of a power distribution component using the lead frame shown in FIG. 1. 図３（ａ）は図２に示した配電部品とモータコイルの接続部を示す斜視図、図３（ｂ）はその平面図である。3A is a perspective view showing a connection portion between the power distribution component and the motor coil shown in FIG. 2, and FIG. 3B is a plan view thereof. 従来のリードフレームを用いた配電部品の平面図である。It is a top view of the power distribution component using the conventional lead frame. 図５（ａ）は図２に示した配電部品とモータコイルの接続部を示す斜視図、図５（ｂ）はその平面図である。FIG. 5A is a perspective view showing a connection portion between the power distribution component and the motor coil shown in FIG. 2, and FIG. 5B is a plan view thereof.

符号の説明Explanation of symbols

１ 配電部品
２ 線状導体
３ コイル用接続部
４ 中継部品
１０ リードフレーム
３１ モータコイル
DESCRIPTION OF SYMBOLS 1 Power distribution component 2 Linear conductor 3 Coil connection part 4 Relay component 10 Lead frame 31 Motor coil

Claims (8)

モータコイルと結線するためのリードフレームにおいて、
そのリードフレームが線状導体により略円環状に折り曲げ加工されると共に、前記モータコイルと接続するためのコイル用端子部が設けられ、
そのコイル用端子部に、一端が前記コイル用端子部に他端が前記モータコイルに接続される中継部品が取り付けられており、
前記コイル用端子部と中継部品の一端とが、リードフレームのなす略円環を含む平面に対して交差する方向に溶接されていることを特徴とするリードフレーム。 In the lead frame to connect with the motor coil,
The lead frame is bent into a substantially annular shape by a linear conductor, and a coil terminal for connecting to the motor coil is provided,
A relay part having one end connected to the coil terminal and the other end connected to the motor coil is attached to the coil terminal.
The lead frame, wherein the coil terminal portion and one end of the relay part are welded in a direction intersecting with a plane including a substantially ring formed by the lead frame. 前記中継部品は、前記コイル用端子部から径方向に延出した径方向部と、その径方向部から周方向に延出した周方向部とからなる請求項１記載のリードフレーム。   The lead frame according to claim 1, wherein the relay component includes a radial portion extending in a radial direction from the coil terminal portion and a circumferential portion extending in a circumferential direction from the radial portion. 上記中継部品の一端は前記コイル用端子を挟むように略コ字状に形成され、上記中継部品の他端は前記モータコイルを挟むように略コ字状に形成される請求項１または２記載のリードフレーム。   The one end of the relay component is formed in a substantially U shape so as to sandwich the coil terminal, and the other end of the relay component is formed in a substantially U shape so as to sandwich the motor coil. Lead frame. 前記コイル用端子部と前記中継部品の一端とは、リードフレームの軸方向に溶接されている請求項１〜３いずれかに記載のリードフレーム。   The lead frame according to claim 1, wherein the coil terminal portion and one end of the relay component are welded in an axial direction of the lead frame. 導体に絶縁被覆を施した線状導体を複数本撚り合わせ、撚り合わせた複数本の線状導体を略円環状に折り曲げ加工して形成した請求項１〜４いずれかに記載のリードフレーム。   The lead frame according to any one of claims 1 to 4, wherein a plurality of linear conductors each having an insulation coating on the conductor are twisted and the plurality of twisted linear conductors are bent into a substantially annular shape. 前記線状導体は、導体にＰＦＡ、ＰＴＦＥ、ＥＴＦＥ、ＦＥＰ、ＰＶＴＦなどのふっ素樹脂絶縁体を被覆した電線、または導体にポリアミドイミド、ポリイミド、ポリエステルイミド、ポリエステルなどの絶縁樹脂で被覆したエナメル線である請求項１〜５いずれかに記載のリードフレーム。   The linear conductor is an electric wire in which a conductor is coated with a fluororesin insulator such as PFA, PTFE, ETFE, FEP, or PVTF, or an enameled wire in which the conductor is coated with an insulating resin such as polyamideimide, polyimide, polyesterimide, or polyester. The lead frame according to any one of claims 1 to 5. 請求項１〜６いずれかに記載したリードフレームを複数個用い、これらを重ねて形成したことを特徴とする配電部品。   A power distribution component using a plurality of lead frames according to any one of claims 1 to 6 and overlapping them. 前記複数個のリードフレームは、固定手段で部分的に固定されることにより一体化されている請求項７記載の配電部品。
The power distribution component according to claim 7, wherein the plurality of lead frames are integrated by being partially fixed by a fixing means.
JP2006017398A 2006-01-26 2006-01-26 Lead frame and power distribution component using the same Expired - Fee Related JP4650284B2 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100974725B1 (en) 2008-11-12 2010-08-06 현대자동차일본기술연구소 Bus bar and bus bar module for coil connection of motor
JP2016046941A (en) * 2014-08-25 2016-04-04 株式会社デンソー Rotor for rotary electric machine
JP2017011828A (en) * 2015-06-18 2017-01-12 矢崎総業株式会社 Power supply ring and method of manufacturing power supply ring

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004350401A (en) * 2003-05-22 2004-12-09 Moric Co Ltd Terminal for armature
JP2005229677A (en) * 2004-02-10 2005-08-25 Honda Motor Co Ltd Bus ring structure of motor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004350401A (en) * 2003-05-22 2004-12-09 Moric Co Ltd Terminal for armature
JP2005229677A (en) * 2004-02-10 2005-08-25 Honda Motor Co Ltd Bus ring structure of motor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100974725B1 (en) 2008-11-12 2010-08-06 현대자동차일본기술연구소 Bus bar and bus bar module for coil connection of motor
JP2016046941A (en) * 2014-08-25 2016-04-04 株式会社デンソー Rotor for rotary electric machine
JP2017011828A (en) * 2015-06-18 2017-01-12 矢崎総業株式会社 Power supply ring and method of manufacturing power supply ring

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