JP2007006604A - Magnet generator - Google Patents

Magnet generator Download PDF

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JP2007006604A
JP2007006604A JP2005183172A JP2005183172A JP2007006604A JP 2007006604 A JP2007006604 A JP 2007006604A JP 2005183172 A JP2005183172 A JP 2005183172A JP 2005183172 A JP2005183172 A JP 2005183172A JP 2007006604 A JP2007006604 A JP 2007006604A
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terminal
core wire
core
groove portion
groove
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Kazuo Yano
一男 矢野
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Mahle Electric Drive Systems Co Ltd
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Kokusan Denki Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To surely solder a lead wire in a magnet generator in which a terminal of an armature coil and a core wire of the lead wire are soldered to a terminal fixture installed on a bobbin of a stator. <P>SOLUTION: The terminals 405 to 408 of the armature coil and the core wire 601 of the lead wire are soldered to the terminal fittings 5a to 5d installed on terminal installation parts 201, 202 of the bobbin. A pair of protrusions 504, 504 extended in a groove at a position siding toward the bottom side rather than an opening of the groove 500 are formed at places opposing each other with the core wire receiving groove 500 of the terminal 501 of each terminal fitting between, and a part between the protrusions and the bottom of the groove is made to serve as a core wire holding groove 503. By displacing tips of the terminals 501 in a direction where the tips are approximated to each other after inserting the core wire 601 of the lead wire into the core wire holding groove 503, the inside diameter of the core wire holding groove 503 is contracted, and the internal face of the core wire holding groove 503 is press-contacted to the core wire 601, whereby the generation of a gap between the groove 503 and the core wire is prevented. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、磁石回転子と、電機子コイルを有する固定子とにより構成される磁石発電機に関するものである。   The present invention relates to a magnet generator including a magnet rotor and a stator having an armature coil.

磁石発電機は、継鉄部から複数の歯部を突出させてなる電機子鉄心の歯部に電機子コイルを巻装してなる固定子と、固定子の歯部に対向する磁極部を有する界磁を備えた回転子とにより構成される。固定子の各歯部に巻回された電機子コイルを外部の回路や電源などに接続するため、電機子鉄心の継鉄部に端子金具が取り付けられ、該端子金具に、電機子コイルの端末部と、外部に引き出されるリード線の心線とが接続される。   The magnet generator has a stator in which an armature coil is wound around a tooth portion of an armature core formed by projecting a plurality of tooth portions from a yoke portion, and a magnetic pole portion facing the tooth portion of the stator. And a rotor having a field. In order to connect the armature coil wound around each tooth portion of the stator to an external circuit or a power source, a terminal fitting is attached to the yoke portion of the armature core, and the terminal of the armature coil is attached to the terminal fitting. And the core of the lead wire drawn out to the outside are connected.

図４は従来の磁石発電機の固定子を示したもので、同図において、１は環状の継鉄部１ｙから複数（図示の例では８個）の歯部１ａないし１ｈを等角度間隔で放射状に突出させた構造を有する電機子鉄心である。電機子鉄心１には絶縁樹脂からなるボビン２が取り付けられている。ボビン２は、電機子鉄心１の継鉄部１ｙの一部と、歯部１ａないし１ｂ及び歯部１ｅないし１ｇのそれぞれの先端部を除く部分とを覆うように設けられていて、ボビン２の継鉄部１ｙを覆う部分のうち、歯部１ｈ及び１ｄのそれぞれの基部付近に位置する部分がそれぞれ端子取付部２０１及び２０２となっている。電機子鉄心の歯部１ａないし１ｈのうち、１８０度間隔で配置された１対の歯部１ｄ及び１ｈはその大部分が樹脂で覆われることなく露呈された状態で設けられていて、これらの歯部１ｄ及び１ｈには、電機子鉄心を所定の取付部に固定する際に用いるボルトを通すための取付孔３が形成されている。   FIG. 4 shows a stator of a conventional magnet generator. In FIG. 4, reference numeral 1 denotes a plurality (eight in the illustrated example) of tooth portions 1a to 1h from an annular yoke portion 1y at equal angular intervals. An armature core having a radially projecting structure. A bobbin 2 made of an insulating resin is attached to the armature core 1. The bobbin 2 is provided so as to cover a part of the yoke portion 1y of the armature core 1 and portions excluding the respective tip portions of the tooth portions 1a to 1b and the tooth portions 1e to 1g. Of the portion covering the yoke portion 1y, the portions located near the base portions of the tooth portions 1h and 1d are terminal attachment portions 201 and 202, respectively. Of the tooth portions 1a to 1h of the armature core, a pair of tooth portions 1d and 1h arranged at intervals of 180 degrees are provided in a state where most of them are exposed without being covered with resin. The tooth portions 1d and 1h are formed with mounting holes 3 through which bolts used when the armature core is fixed to a predetermined mounting portion.

電機子鉄心の歯部１ａないし１ｃ及び１ｅないし１ｇにはそれぞれボビンを介して電機子コイル４ａないし４ｃ及び４ｅないし４ｇが巻回されている。電機子コイル４ａないし４ｃは渡り線４０１及び４０２により直列に接続されて一つの発電コイルＷ1を構成しており、他の電機子コイル４ｅないし４ｇは渡り線４０３及び４０４により直列に接続されて他の発電コイルＷ2を構成している。   Armature coils 4a to 4c and 4e to 4g are wound around the tooth portions 1a to 1c and 1e to 1g of the armature core via bobbins, respectively. The armature coils 4a to 4c are connected in series by connecting wires 401 and 402 to form one power generating coil W1, and the other armature coils 4e to 4g are connected in series by connecting wires 403 and 404 and others. The power generating coil W2 is configured.

電機子コイル４ａないし４ｃにより構成された発電コイルＷ1の両端を外部に引き出すため、ボビン２の継鉄部１ｙを覆う部分の一部に設けられた端子取付部２０１及び２０２に端子金具５ａ′及び５ｂ′が取り付けられ、電機子コイル４ａの巻き始めの端末部４０５及び電機子コイル４ｃの巻き終わりの端末部４０６がそれぞれ端子金具５ａ′及び５ｂ′に半田付けされている。   In order to draw out both ends of the power generation coil W1 constituted by the armature coils 4a to 4c to the outside, the terminal fittings 201 and 202 provided in part of the portion covering the yoke portion 1y of the bobbin 2 are connected to the terminal fittings 5a ′ and 5b 'is attached, and a terminal portion 405 at the beginning of winding of the armature coil 4a and a terminal portion 406 at the end of winding of the armature coil 4c are soldered to the terminal fittings 5a' and 5b ', respectively.

また、電機子コイル４ｅないし４ｇにより構成された発電コイルＷ2の両端を外部に引き出すために、ボビン２に設けられた端子取付部２０２及び２０１に端子金具５ｃ′及び５ｄ′が取り付けられ、電機子コイル４ｅの巻き始めの端末部４０７及び電機子コイル４ｇの巻き終わりの端末部４０８がそれぞれ端子金具５ｃ′及び５ｄ′に半田付けされている。   In addition, terminal fittings 5c 'and 5d' are attached to the terminal attachment portions 202 and 201 provided on the bobbin 2 in order to pull out both ends of the power generation coil W2 constituted by the armature coils 4e to 4g to the outside. A terminal portion 407 at the beginning of winding of the coil 4e and a terminal portion 408 at the end of winding of the armature coil 4g are soldered to the terminal fittings 5c 'and 5d', respectively.

そして、端子金具５ａ′及び５ｂ′にそれぞれリード線６ａ及び６ｂの心線が半田付けされて、発電コイルＷ1の両端がこれらのリード線を通して外部に導出され、端子金具５ｃ′及び５ｄ′にそれぞれリード線６ｃ及び６ｄの心線が半田付けされて、発電コイルＷ2の両端がこれらのリード線６ｃ及び６ｄを通して外部に導出されている。   Then, the lead wires 6a and 6b are respectively soldered to the terminal fittings 5a 'and 5b', and both ends of the power generating coil W1 are led out through these lead wires, and are respectively connected to the terminal fittings 5c 'and 5d'. The core wires of the lead wires 6c and 6d are soldered, and both ends of the power generation coil W2 are led out through the lead wires 6c and 6d.

図５（Ａ）に示したように、端子金具５ａ′ないし５ｄ′は、先端側に開口させた心線受入用溝部５００′を内側に有する先開形の端子部５０１′と該端子部の後端部から突出して延びる帯板状の端子固定部５０２′とを一体に備えたもので、端子固定部５０２′の幅方向の両端には楔状の複数の爪５０２ａ′が形成されている。各端子金具は、図５（Ｂ）に示したように、その端子固定部５０２′がボビン２の一部に形成された端子取付部２０１または２０２に鋳込まれて、電機子鉄心１に対して絶縁された状態で固定されている。   As shown in FIG. 5 (A), the terminal fittings 5a 'to 5d' include a tip-opened terminal portion 501 'having a core wire receiving groove portion 500' opened on the tip side and the terminal portion. A terminal plate-like terminal fixing portion 502 'extending from the rear end portion is integrally provided, and a plurality of wedge-shaped claws 502a' are formed at both ends in the width direction of the terminal fixing portion 502 '. As shown in FIG. 5B, each terminal fitting has its terminal fixing portion 502 ′ cast into a terminal mounting portion 201 or 202 formed on a part of the bobbin 2, so that the armature core 1 It is fixed in an insulated state.

電機子コイルの端末部４０５ないし４０８は、図５（Ｂ）に示したように、対応する端子金具の端子部５０１′の後端部付近に巻き付けられて、該端子部５０１′に半田付けされている。またリード線６ａないし６ｄのそれぞれの心線６０１が対応する端子金具５ａ′ないし５ｄ′の端子部５０１′の心線受入用溝部５００′内に挿入されて該端子部に半田付けされている。   As shown in FIG. 5B, the armature coil terminal portions 405 to 408 are wound around the rear end portion of the terminal portion 501 ′ of the corresponding terminal fitting and soldered to the terminal portion 501 ′. ing. Further, the respective core wires 601 of the lead wires 6a to 6d are inserted into the core wire receiving grooves 500 'of the terminal portions 501' of the corresponding terminal fittings 5a 'to 5d' and soldered to the terminal portions.

上記の固定子の端子金具５ａ′ないし５ｄ′にリード線の心線６０１を接続する際には、図５（Ｂ）に示すように、心線６０１を端子部５０１′の心線受入用溝部５００′内に挿入した後、図５（Ｃ）に示したように該端子部５０１′の先端を互いに接近させる方向に変位させて端子部５０１′を塑性変形させることにより、溝部５００′の開口部付近の幅を狭めて心線５００′が溝部から離脱し難くし、この状態で端子部５０１′と心線６０１とに半田を供給して心線６０１を端子部５０１′に半田付けする。上記電機子鉄心１と、電機子コイル４ａないし４ｃ及び４ｄないし４ｇと、端子金具５ａ′ないし５ｄ′とにより、磁石発電機の固定子７′が構成され、この固定子と図示しない回転子とにより磁石発電機が構成される。図４に示したような磁石発電機の固定子は、例えば特許文献１に示されている。
特開平８−８８９６１号公報 When connecting the lead wire 601 to the stator terminal fittings 5a 'to 5d', the lead wire 601 is connected to the lead wire receiving groove portion of the terminal portion 501 'as shown in FIG. 5B. After being inserted into 500 ′, as shown in FIG. 5C, the ends of the terminal portion 501 ′ are displaced in a direction to approach each other to plastically deform the terminal portion 501 ′, thereby opening the groove portion 500 ′. The core wire 500 ′ is less likely to be detached from the groove portion by narrowing the width near the portion, and in this state, solder is supplied to the terminal portion 501 ′ and the core wire 601 to solder the core wire 601 to the terminal portion 501 ′. The armature core 1, the armature coils 4a to 4c and 4d to 4g, and the terminal fittings 5a 'to 5d' constitute a stator 7 'of a magnet generator, and this stator and a rotor (not shown) Thus, a magnet generator is configured. A stator of a magnet generator as shown in FIG. 4 is disclosed in Patent Document 1, for example.
JP-A-8-88961

従来の磁石発電機においては、リード線の心線を接続するための端子金具の端子部５０１′の心線受入用溝部５００′がＵ字形を呈するように形成されていたため、図５（Ｃ）に示すように端子部５０１′の先端を変形させた際に、リード線の心線６０１と溝部５００′の底部との間に比較的大きな隙間ｇが形成されるのを避けられなかった。そのため、心線６０１を端子部５０１′に半田付けするまでの間にリード線の心線が端子部から外れて半田付け作業の作業性が損なわれたり、心線６０１を端子部５０１′に半田付けするまでの間に溝部５００′内で心線６０１が動いて、半田付け後の心線６０１の向きが不揃いになったりするという問題があった。また心線６０１と溝部５００′の底部との間に大きな隙間ｇが形成されていると、半田付けの際に半田が隙間側に流れることがあるため、心線及び端子部に付着する半田の量が不足して、半田付け不良が生じることがあった。心線の半田付け不良が生じていると、原動機の振動が電機子鉄心に伝達された際に、心線６０１が端子金具から容易に外れるおそれがあるため、特に内燃機関等の振動が多い原動機により発電機を駆動する場合には、リード線の心線の半田付け不良は絶対に回避する必要がある。   In the conventional magnet generator, the core wire receiving groove portion 500 ′ of the terminal portion 501 ′ of the terminal fitting for connecting the core wire of the lead wire is formed to have a U shape, so that FIG. When the tip of the terminal portion 501 ′ is deformed as shown in FIG. 3, it is inevitable that a relatively large gap g is formed between the lead wire core 601 and the bottom portion of the groove portion 500 ′. For this reason, the lead wire core is detached from the terminal portion before the core wire 601 is soldered to the terminal portion 501 ′, and the workability of the soldering work is impaired, or the core wire 601 is soldered to the terminal portion 501 ′. There is a problem that the core wire 601 moves in the groove 500 'before the soldering, and the orientation of the core wire 601 after soldering becomes uneven. In addition, if a large gap g is formed between the core wire 601 and the bottom portion of the groove portion 500 ', solder may flow to the gap side during soldering. Insufficient soldering may occur due to insufficient amount. If the core wire is poorly soldered, the core wire 601 may be easily detached from the terminal fitting when the vibration of the motor is transmitted to the armature core. When the generator is driven by the above, it is absolutely necessary to avoid the soldering failure of the lead wires.

本発明の目的は、先開形の端子部を有する端子金具を電機子鉄心の継鉄部に絶縁した状態で固定して、該端子金具に電機子コイルの端末部と外部に引き出すリード線の心線とを半田付けして接続する磁石発電機において、端子金具の端子部の溝部内に挿入したリード線の心線を、該溝部内に隙間を生じさせることなく固定して、上記のような問題が生じるのを防止することにある。   An object of the present invention is to fix a terminal metal fitting having a tip-opened terminal part in an insulated state to a yoke part of an armature core, and to connect the terminal part of the armature coil to the terminal metal part and lead wires to the outside. In the magnet generator to which the core wire is soldered and connected, the core wire of the lead wire inserted into the groove portion of the terminal portion of the terminal fitting is fixed without causing a gap in the groove portion, as described above. It is to prevent a problem from occurring.

本発明は、継鉄部から複数の歯部を突出させてなる電機子鉄心の歯部に電機子コイルを巻装してなる固定子と、この固定子の歯部に対向する磁極部を有する磁石界磁を備えた磁石回転子と、先端側に開口させた心線受入用溝部を内側に有する先開形の端子部と該端子部の後端部から突出して延びる端子固定部とを一体に有して端子固定部が電機子鉄心の継鉄部に絶縁された状態で固定された複数の端子金具とを備えて、電機子コイルの端末部が端子金具の端子部の後端部に巻き付けられて半田付けされるとともに、外部に引き出されるリード線の心線が端子金具の端子部の心線受入用溝部内に挿入されて該端子部に半田付けされる磁石発電機を対象とする。   The present invention has a stator in which an armature coil is wound around a tooth portion of an armature core formed by projecting a plurality of tooth portions from a yoke portion, and a magnetic pole portion facing the tooth portion of the stator. A magnet rotor having a magnet field, a tip-opened terminal portion having a core wire receiving groove portion opened on the front end side, and a terminal fixing portion extending from the rear end portion of the terminal portion are integrated. A plurality of terminal fittings fixed in a state where the terminal fixing portion is insulated from the yoke portion of the armature core, and the terminal portion of the armature coil is provided at the rear end portion of the terminal portion of the terminal fitting. Targeted is a magnet generator that is wound and soldered, and the core wire of the lead wire drawn out is inserted into the core wire receiving groove portion of the terminal portion of the terminal fitting and soldered to the terminal portion. .

本発明においては、端子金具が、その端子部の心線受入用溝部を間にして対向する部分に、該溝部の開口部よりも底部側に寄った位置で該溝部内に突出して該溝部の幅を狭める一対の突起を有していて、該一対の突起と溝部の底部との間の部分が心線を隙間なく嵌合させて保持する心線保持用溝部となるように構成されている。   In the present invention, the terminal fitting protrudes into the groove portion at a position closer to the bottom side than the opening portion of the groove portion at a portion facing the groove portion for receiving the core wire in the terminal portion. It has a pair of projections for narrowing the width, and the portion between the pair of projections and the bottom of the groove portion is configured to be a core wire holding groove portion that fits and holds the core wires without a gap. .

また端子金具の端子部は、その先端を互いに接近させる方向に変位させた際に塑性変形して心線保持用溝部の内径を縮小した状態に保持するように構成されている。各端子金具に接続されるリード線の心線は、各端子金具の心線保持用溝部内に挿入されて、内径が縮小された心線保持用溝部の内面に圧接した状態で各端子金具の端子部に半田付けされている。   Further, the terminal portion of the terminal fitting is configured to be held in a state in which the inner diameter of the core wire holding groove portion is reduced by plastic deformation when the tips thereof are displaced in a direction in which they approach each other. The lead wires connected to the terminal fittings are inserted into the core holding groove portions of the terminal fittings and are pressed against the inner surfaces of the core holding groove portions having a reduced inner diameter. Soldered to the terminal.

上記のように、端子金具の端子部の心線受入用溝部を間にして対向する部分に、心線受入用溝部の開口部よりも底部側に寄った位置で該溝部内に突出して該溝部の幅を狭める一対の突起を設けて、これらの突起と溝部の底部との間の部分を心線保持用溝部とすると、該心線保持用溝部内にリード線の心線を挿入した状態で端子部の先端を互いに近づける方向に変位させた際に、一対の突起がリード線の心線に係合して、心線が心線受入用溝部の開口部側に移動するのを阻止するため、心線と溝部の内面との間に隙間を生じさせることなく、心線を溝部の内面に圧接した状態で溝部内に保持することができる。   As described above, the groove portion protrudes into the groove portion at a position closer to the bottom side than the opening portion of the core wire receiving groove portion at the portion facing the groove portion for receiving the core wire of the terminal portion of the terminal fitting. When a pair of protrusions for narrowing the width of the protrusions and a portion between these protrusions and the bottom of the groove portion is a core wire holding groove portion, the lead wire core wire is inserted into the core wire holding groove portion. To prevent the pair of protrusions from engaging the core wire of the lead wire and moving the core wire toward the opening portion of the core wire receiving groove when the tips of the terminal portions are displaced toward each other. The core wire can be held in the groove portion in a state of being pressed against the inner surface of the groove portion without generating a gap between the core wire and the inner surface of the groove portion.

従って、端子金具の端子部の溝部内に挿入したリード線の心線を、該溝部内に隙間を生じさせることなく、確実に保持させることができ、リード線の心線を端子金具に半田付けするまでの間に心線が端子金具に対して動いて半田付け後の心線の向きが不揃いになったり、半田付け不良が生じたりするのを防いで、磁石発電機の品質を向上させることができる。またリード線の心線を端子金具に半田付けするまでの間にリード線が端子金具から外れるのを防ぐことができるため、リード線の半田付け作業が中断されて作業能率が低下するのを防ぐことができる。   Therefore, it is possible to securely hold the lead wire inserted into the groove of the terminal portion of the terminal fitting without causing a gap in the groove portion, and solder the lead wire core to the terminal fitting. To improve the quality of the magnet generator by preventing the core wire from moving in relation to the terminal metal fittings until the wire is soldered and causing the orientation of the core wire after soldering to become uneven or poorly soldered. Can do. In addition, it is possible to prevent the lead wire from being detached from the terminal fitting before the lead wire core is soldered to the terminal fitting, thereby preventing the work efficiency from being lowered due to interruption of the soldering operation of the lead wire. be able to.

本発明の好ましい態様では、端子金具の端子部の心線受入用溝部の底部とその両側の部分とを含む心線受入用溝部の奥部の横断面の輪郭が１８０度を超える円弧角を有する円弧の形状を呈するように心線受入用溝部が形成されて、該心線受入用溝部の奥部が心線を受け入れて保持する心線保持用溝部とされ、端子部の心線受入用溝部を間にして対向する部分から該溝部内に突出して該溝部の幅を狭める一対の突起が、それぞれの頂部を上記円弧の両端に一致させた状態で設けられる。この場合も、端子金具の端子部は、その先端を互いに接近させる方向に変位させた際に塑性変形して心線保持用溝部の内径を縮小した状態に保持するように構成され、各端子金具に接続されるリード線の心線は、各端子金具の心線保持用溝部内に挿入されて、内径が縮小された心線保持用溝部の内面に圧接した状態で各端子金具の端子部に半田付けされる。   In a preferred aspect of the present invention, the contour of the cross section of the inner portion of the core wire receiving groove portion including the bottom portion of the core wire receiving groove portion of the terminal portion of the terminal fitting and both sides thereof has an arc angle exceeding 180 degrees. The core wire receiving groove is formed so as to have an arc shape, and the inner portion of the core wire receiving groove is a core wire holding groove portion that receives and holds the core wire, and the core wire receiving groove portion of the terminal portion. A pair of protrusions that project into the groove portion from the opposing portions with a gap therebetween to narrow the width of the groove portion are provided in a state where the respective top portions are aligned with both ends of the arc. Also in this case, the terminal portion of the terminal fitting is configured to be held in a state where the inner diameter of the core wire holding groove portion is reduced by plastic deformation when the tips thereof are displaced in the direction in which they approach each other. The lead wire connected to the terminal fitting is inserted into the core holding groove of each terminal fitting, and is in pressure contact with the inner surface of the core holding holding groove having a reduced inner diameter. Soldered.

上記のように、端子金具の心線受入れ用溝部の奥部の横断面形状を円弧の形状として、心線受入れ用溝部の幅を狭める一対の突起の頂部を上記円弧の両端に一致させるようにすると、外部に導出するリード線の心線を端子金具の心線受入れ用溝部内に安定に保持させて、リード線の心線と心線受入れ用溝部の内面との間に隙間が生じるのをより確実に防ぐことができ、リード線の半田付け不良が生じるのを防ぐことができる。   As described above, the cross-sectional shape at the back of the core wire receiving groove portion of the terminal fitting is an arc shape, and the tops of the pair of protrusions that narrow the width of the core wire receiving groove portion are aligned with both ends of the arc. Then, the lead wire lead out to the outside is stably held in the core wire receiving groove portion of the terminal fitting, and a gap is formed between the lead wire core wire and the inner surface of the core wire receiving groove portion. It can prevent more reliably and can prevent the soldering failure of a lead wire.

以上のように、本発明によれば、端子金具の端子部の心線受入用溝部を間にして対向する部分に、心線受入用溝部の開口部よりも底部側に寄った位置で該溝部内に突出して該溝部の幅を狭める一対の突起を設けて、これらの突起と溝部の底部との間の部分を心線保持用溝部とすることにより、心線保持用溝部内にリード線の心線が挿入された端子金具の端子部の先端を互いに近づける方向に変位させた際に、心線と溝部の内面との間に隙間を生じさせることなく、心線を溝部の内面に圧接した状態で保持させることができるようにしたので、リード線の心線を端子金具に半田付けするまでの間に心線が端子金具に対して動いて半田付け後の心線の向きが不揃いになったり、リード線の心線と該心線を挿入する端子金具の溝部との間に生じた隙間に半田が流れて半田付け不良が生じたりするのを防いで、磁石発電機の品質を向上させることができる。   As described above, according to the present invention, the groove portion is located at a position closer to the bottom side than the opening of the core wire receiving groove portion at a portion facing the core wire receiving groove portion of the terminal portion of the terminal fitting. By providing a pair of protrusions that project inwardly and narrowing the width of the groove portion, and a portion between these protrusions and the bottom portion of the groove portion is a core wire holding groove portion, the lead wire is inserted into the core wire holding groove portion. The core wire was pressed against the inner surface of the groove portion without causing a gap between the core wire and the inner surface of the groove portion when the distal ends of the terminal portions of the terminal fittings into which the core wires were inserted were displaced toward each other. The lead wire moves with respect to the terminal fitting until the lead wire core is soldered to the terminal fitting, and the orientation of the lead after soldering becomes uneven. Or a gap formed between the lead wire core and the groove of the terminal fitting into which the core wire is inserted. Solder flows prevents the or cause poor soldering, it is possible to improve the quality of the magneto generator.

図１及び図２は本発明の一実施形態に係わる磁石発電機の構成を示したもので、図１は同磁石発電機の全体的な構成を一部断面して示した正面図、図２は図１のＺ部を示す要部の側面図である。これらの図において１は環状の継鉄部１ｙから歯部１ａないし１ｈを放射状に突出させた電機子鉄心、２は電機子鉄心１に取り付けられた絶縁樹脂製のボビン、４ａないし４ｃ及び４ｅないし４ｇはそれぞれ電機子鉄心の歯部１ａないし１ｃ及び１ｄないし１ｇにそれぞれボビンを介して巻回された電機子コイル、５ａないし５ｄはボビン２に取り付けられた端子金具であり、これらにより固定子７が構成されている。この固定子７は、端子金具５ａないし５ｄの構成を除き、図４に示した従来の磁石発電機の固定子と同様に構成されている。   1 and 2 show the configuration of a magnet generator according to an embodiment of the present invention, and FIG. 1 is a front view partially showing the overall configuration of the magnet generator, FIG. FIG. 2 is a side view of a main part showing a Z part in FIG. 1. In these figures, 1 is an armature core in which teeth 1a to 1h are radially projected from an annular yoke portion 1y, 2 is an insulating resin bobbin attached to the armature core 1, 4a to 4c and 4e to 4g is an armature coil wound around the tooth portions 1a to 1c and 1d to 1g of the armature core via a bobbin, and 5a to 5d are terminal fittings attached to the bobbin 2. Is configured. The stator 7 is configured in the same manner as the stator of the conventional magnet generator shown in FIG. 4 except for the configuration of the terminal fittings 5a to 5d.

また図１において８は磁石回転子で、図示の磁石回転子は、カップ状に形成された鉄製のフライホイール９と、フライホイール９の周壁部９ａの内周に固定された永久磁石１０ａないし１０ｄとからなっている。フライホイール９の底壁部（図示せず。）の中央にはボス部９ｂが設けられ、このボス部が内燃機関等の原動機の回転軸に取り付けられる。固定子７と磁石回転子８とにより磁石発電機が構成される。   In FIG. 1, reference numeral 8 denotes a magnet rotor. The illustrated magnet rotor includes an iron flywheel 9 formed in a cup shape and permanent magnets 10a to 10d fixed to the inner periphery of the peripheral wall portion 9a of the flywheel 9. It is made up of. A boss portion 9b is provided at the center of the bottom wall portion (not shown) of the flywheel 9, and this boss portion is attached to a rotating shaft of a prime mover such as an internal combustion engine. The stator 7 and the magnet rotor 8 constitute a magnet generator.

本発明で用いる端子金具５ａないし５ｄは、図３（Ａ）に示すように、先端側に開口させた心線受入用溝部５００を内側に有する先開形の端子部５０１と該端子部の後端部から突出して延びる端子固定部５０２とを一体に備えたもので、端子固定部５０２には楔状の複数の爪５０２ａが形成されている。各端子金具は、図３（Ｂ）に示したように、その端子固定部５０２がボビン２の一部に形成された端子取付部２０１または２０２に鋳込まれた状態で、電機子鉄心１に対して固定されている。   As shown in FIG. 3 (A), the terminal fittings 5a to 5d used in the present invention have a front-opening terminal portion 501 having a core wire receiving groove portion 500 opened on the tip side and a rear end of the terminal portion. A terminal fixing portion 502 that protrudes from the end portion is integrally provided, and the terminal fixing portion 502 is formed with a plurality of wedge-shaped claws 502a. As shown in FIG. 3 (B), each terminal fitting is attached to the armature core 1 with its terminal fixing portion 502 cast into the terminal mounting portion 201 or 202 formed on a part of the bobbin 2. It is fixed against.

本発明においては、図３に示されたように、端子金具５ａないし５ｄの端子部５０１の心線受入用溝部を間にして対向する部分に、該溝部の開口部よりも底部側に寄った位置で該溝部内に突出して該溝部の幅を狭める一対の突起５０４，５０４が設けられて、これら一対の突起と溝部５００の底部との間の部分がリード線の心線６０１を隙間なく嵌合させて保持する心線保持用溝部となるように構成される。端子金具の端子部５０１は、その先端を互いに接近させる方向に変位させた際に塑性変形して心線保持用溝部の内径を縮小した状態に保持するように構成されている。各端子金具に接続されるリード線の心線６０１は、各端子金具の心線保持用溝部内に挿入されて、内径が縮小された心線保持用溝部の内面に圧接した状態で各端子金具の端子部に半田付けされる。   In the present invention, as shown in FIG. 3, the portion of the terminal portion 501 of the terminal metal fittings 5a to 5d that is opposed to the core wire receiving groove portion is closer to the bottom side than the opening portion of the groove portion. A pair of protrusions 504 and 504 that project into the groove portion at a position to narrow the width of the groove portion are provided, and a portion between the pair of protrusions and the bottom portion of the groove portion 500 fits the lead wire core 601 without a gap. It is comprised so that it may become the groove part for core wire holding | maintenance held together. The terminal portion 501 of the terminal fitting is configured to be held in a state in which the inner diameter of the core wire holding groove portion is reduced by plastic deformation when the tips thereof are displaced in a direction in which they approach each other. The lead wire core 601 connected to each terminal fitting is inserted into the core wire holding groove portion of each terminal fitting, and is in contact with the inner surface of the core wire holding groove portion having a reduced inner diameter. It is soldered to the terminal part.

本実施形態では、端子金具５ａないし５ｄのそれぞれの端子部５０１の心線受入用溝部５００の底部５００ａとその両側の部分とを含む心線受入用溝部の奥部の横断面の輪郭が１８０度を超える円弧角θを有する円弧の形状を呈するように心線受入用溝部５００が形成されて、該心線受入用溝部の奥部が心線を隙間なく嵌合させて保持する心線保持用溝部５０３とされている。また端子部５０１の心線受入用溝部を間にして対向する部分から該溝部内に突出して該溝部の幅を狭める一対の突起５０４，５０４が、それぞれの頂部を円弧の両端に一致させた状態で設けられている。端子金具５ａないし５ｄのそれぞれの端子部５０１は、図３（Ｃ）に示すように、その先端を互いに接近させる方向に変位させた際に塑性変形して心線保持用溝部の内径を縮小した状態に保持するように構成されている。   In this embodiment, the contour of the cross section of the inner part of the core wire receiving groove portion including the bottom portion 500a of the core wire receiving groove portion 500 of each terminal portion 501 of the terminal fittings 5a to 5d and the portions on both sides thereof is 180 degrees. A core wire receiving groove portion 500 is formed so as to exhibit an arc shape having an arc angle θ exceeding, and the inner portion of the core wire receiving groove portion fits and holds the core wire without a gap. The groove portion 503 is used. A pair of protrusions 504 and 504 that project into the groove portion from the portion facing each other with the core wire receiving groove portion of the terminal portion 501 therebetween to narrow the width of the groove portion, and the top portions thereof coincide with both ends of the arc. Is provided. As shown in FIG. 3C, the terminal portions 501 of the terminal fittings 5a to 5d are plastically deformed to reduce the inner diameter of the core wire holding groove portion when the tips thereof are displaced in a direction in which they approach each other. It is comprised so that it may hold in a state.

各端子金具に接続されるリード線の心線６０１は、図３（Ｂ）に示すように、各端子金具の心線保持用溝部５０３内に挿入される。次いで、図３（Ｃ）に示すように、各端子金具の端子部６０１の先端が互いに接近する方向に変形させられて、心線保持用溝部５０３の内径が縮小される。各リード線の心線６０１は、対応する端子金具の内径が縮小された心線保持用溝部５０３の内面に圧接した状態で各端子金具の端子部５０１に半田付けされる。   As shown in FIG. 3B, the lead wire 601 connected to each terminal fitting is inserted into the core wire holding groove 503 of each terminal fitting. Next, as shown in FIG. 3C, the distal ends of the terminal portions 601 of the respective terminal fittings are deformed in a direction approaching each other, and the inner diameter of the core wire holding groove portion 503 is reduced. The core wire 601 of each lead wire is soldered to the terminal portion 501 of each terminal fitting in a state of being pressed against the inner surface of the core wire holding groove 503 in which the inner diameter of the corresponding terminal fitting is reduced.

電機子コイルの端末部４０５ないし４０８は、図３（Ｂ）に示したように、対応する端子金具の端子部５０１の後端部付近に巻き付けられて、該端子部５０１に半田付けされる。またリード線６ａないし６ｄのそれぞれの心線６０１が対応する端子金具５ａないし５ｄの端子部５０１の心線受入用溝部５００内に挿入されて該端子部に半田付けされている。   As shown in FIG. 3B, the armature coil terminal portions 405 to 408 are wound around the rear end portion of the corresponding terminal fitting 501 and soldered to the terminal portion 501. Further, the respective core wires 601 of the lead wires 6a to 6d are inserted into the core wire receiving grooves 500 of the terminal portions 501 of the corresponding terminal fittings 5a to 5d and soldered to the terminal portions.

端子金具５ａないし５ｄにリード線の心線６０１を接続する際には、図３（Ｂ）に示すように、心線６０１を端子部５０１の心線受入用溝部５００内に挿入した後、図３（Ｃ）に示したように該端子部５０１の先端を互いに接近させる方向に変位させて端子部５０１を塑性変形させることにより、心線保持用溝部５０３の内径を縮小する。この状態で端子部５０１と心線６０１とに半田を供給して心線６０１を端子部５０１に半田付けする。   When connecting the lead wire 601 to the terminal fittings 5a to 5d, as shown in FIG. 3B, after inserting the lead wire 601 into the lead wire receiving groove portion 500 of the terminal portion 501, As shown in FIG. 3C, the inner end of the core wire holding groove 503 is reduced by displacing the tip of the terminal 501 in a direction in which the terminals 501 approach each other and plastically deforming the terminal 501. In this state, solder is supplied to the terminal portion 501 and the core wire 601 to solder the core wire 601 to the terminal portion 501.

上記のように、端子金具の端子部５０１の心線受入用溝部５００を間にして対向する部分に、心線受入用溝部の開口部よりも底部側に寄った位置で該溝部内に突出して該溝部の幅を狭める一対の突起５０４，５０４を設けて、これらの突起と溝部の底部との間の部分を心線保持用溝部５０３とすると、該心線保持用溝部内にリード線の心線を挿入した状態で図３（Ｃ）に示すように端子部５０１の先端を互いに近づける方向に変位させた際に、一対の突起５０４，５０４がリード線の心線６０１に係合して、心線６０１が心線受入用溝部５００の開口部側に移動するのを阻止するため、心線６０１と心線保持用溝部５０３の内面との間に隙間を生じさせることなく、心線を溝部５０３の内面に圧接した状態で溝部内に保持することができる。   As described above, the terminal portion 501 of the terminal fitting projects into the groove portion at a position closer to the bottom side than the opening portion of the core wire receiving groove portion with the core wire receiving groove portion 500 therebetween. When a pair of projections 504 and 504 for narrowing the width of the groove portion are provided, and a portion between these projections and the bottom portion of the groove portion is a core wire holding groove portion 503, the lead wire core is placed in the core wire holding groove portion. When the tips of the terminal portions 501 are displaced in a direction to approach each other as shown in FIG. 3C with the wires inserted, the pair of protrusions 504 and 504 engage with the lead wires 601, In order to prevent the core wire 601 from moving to the opening side of the core wire receiving groove portion 500, the core wire is moved to the groove portion without generating a gap between the core wire 601 and the inner surface of the core wire holding groove portion 503. The groove 503 can be held in pressure contact with the inner surface of 503.

従って、端子金具５ａないし５ｄのそれぞれの端子部５０１の溝部内に挿入したリード線６ａないし６ｄの心線を、該溝部内に容易に動くことがないように保持させることができ、リード線６ａないし６ｄの心線を端子金具５ａないし５ｄに半田付けするまでの間に各リード線の心線が端子金具に対して動いて半田付け後の心線の向きが不揃いになるのを防ぐことができる。またリード線の心線６０１と該心線が挿入された心線保持用溝部５０３の内面との間に隙間が生じるのを防ぐことができるため、半田付け不良が生じるのを防いで、磁石発電機の品質を向上させることができる。   Accordingly, the core wires of the lead wires 6a to 6d inserted into the groove portions of the terminal portions 501 of the terminal fittings 5a to 5d can be held so as not to easily move into the groove portions, and the lead wires 6a. It is possible to prevent the lead wires of the lead wires from moving with respect to the terminal fittings and soldering of the lead wires after soldering the lead wires to the terminal fittings 5a to 5d. it can. Further, since it is possible to prevent a gap from being formed between the lead wire core 601 and the inner surface of the core wire holding groove portion 503 into which the core wire is inserted, it is possible to prevent the occurrence of defective soldering and to generate magnet power. The quality of the machine can be improved.

本発明の実施形態に係わる磁石発電機の構成を一部断面して示した正面図である。It is the front view which showed the structure of the magnet generator concerning embodiment of this invention partially partially, and was shown. 図１のＺ部の側面図である。It is a side view of the Z section of FIG. （Ａ）は本発明の実施形態で用いる端子金具の要部を拡大して示した正面図である。（Ｂ）は同端子金具にリード線の心線が挿入された状態を示した要部の断面図である。（Ｃ）は同端子金具の端子部の先端が互いに接近する方向に変位させられた状態を示した要部の断面図である。(A) is the front view which expanded and showed the principal part of the terminal metal fitting used by embodiment of this invention. (B) is sectional drawing of the principal part which showed the state by which the core wire of the lead wire was inserted in the same terminal metal fitting. (C) is sectional drawing of the principal part which showed the state by which the front-end | tip of the terminal part of the same terminal metal fitting was displaced in the direction which mutually approaches. 従来の磁石発電機の固定子の構造を示した正面図である。It is the front view which showed the structure of the stator of the conventional magnet generator. （Ａ）は図４に示した磁石発電機で用いられている端子金具の要部を拡大して示した正面図である。（Ｂ）は同端子金具にリード線の心線が挿入された状態を示した要部の断面図である。（Ｃ）は同端子金具の端子部の先端が互いに接近する方向に変位させられた状態を示した要部の断面図である。(A) is the front view which expanded and showed the principal part of the terminal metal fitting used with the magnet generator shown in FIG. (B) is sectional drawing of the principal part which showed the state by which the core wire of the lead wire was inserted in the same terminal metal fitting. (C) is sectional drawing of the principal part which showed the state by which the front-end | tip of the terminal part of the same terminal metal fitting was displaced in the direction which mutually approaches.

符号の説明Explanation of symbols

１ 電機子鉄心
１ｙ 継鉄部
１ａないし１ｈ 歯部
２ ボビン
２０１，２０２ 端子取付部
４ａないし４ｃ，４ｅないし４ｇ 電機子コイル
５ａないし５ｄ 端子金具
５００ 心線受入れ用溝部
５０１ 端子部
５０２ 端子固定部
５０３ 心線保持用溝部
５０４ 突起
６ａないし６ｄ リード線
６０１ 心線
７ 固定子
８ 磁石回転子
DESCRIPTION OF SYMBOLS 1 Armature iron core 1y yoke part 1a thru | or 1h tooth part 2 Bobbin 201,202 Terminal mounting part 4a thru | or 4e thru | or 4g Armature coil 5a thru | or 5d Terminal metal fitting 500 Core wire receiving groove part 501 Terminal part 502 Terminal fixing part 503 Core wire holding groove 504 Protrusion 6a to 6d Lead wire 601 Core wire 7 Stator 8 Magnet rotor

Claims (2)

継鉄部から複数の歯部を突出させてなる電機子鉄心の前記歯部に電機子コイルを巻装してなる固定子と、前記固定子の歯部に対向する磁極部を有する磁石界磁を備えた磁石回転子と、先端側に開口させた心線受入用溝部を内側に有する先開形の端子部と該端子部の後端部から突出して延びる端子固定部とを一体に有して前記端子固定部が前記電機子鉄心の継鉄部に絶縁された状態で固定された複数の端子金具とを備え、前記電機子コイルの端末部が前記端子金具の端子部の後端部に巻き付けられて半田付けされるとともに、外部に引き出されるリード線の心線が前記端子金具の端子部の心線受入用溝部内に挿入されて該端子部に半田付けされている磁石発電機において、
前記端子金具は、その端子部の心線受入用溝部を間にして対向する部分に、該溝部の開口部よりも底部側に寄った位置で該溝部内に突出して該溝部の幅を狭める一対の突起を有して、該一対の突起と前記溝部の底部との間の部分が前記心線を隙間なく嵌合させて保持する心線保持用溝部となるように構成され、
前記端子金具の端子部は、その先端を互いに接近させる方向に変位させた際に塑性変形して前記心線保持用溝部の内径を縮小した状態に保持するように構成され、
各端子金具に接続されるリード線の心線は、各端子金具の心線保持用溝部内に挿入されて、内径が縮小された心線保持用溝部の内面に圧接した状態で各端子金具の端子部に半田付けされていること、
を特徴とする磁石発電機。 A magnet field having a stator in which an armature coil is wound around the tooth portion of an armature core formed by projecting a plurality of tooth portions from a yoke portion, and a magnetic pole portion facing the tooth portion of the stator A magnet rotor, a tip-opening terminal portion having a core wire receiving groove portion opened on the front end side, and a terminal fixing portion extending from the rear end portion of the terminal portion. A plurality of terminal fittings fixed in a state in which the terminal fixing portion is insulated from the yoke portion of the armature core, and a terminal portion of the armature coil is provided at a rear end portion of the terminal portion of the terminal fitting. In the magnet generator that is wound and soldered, and the core wire of the lead wire drawn out is inserted into the core wire receiving groove portion of the terminal portion of the terminal fitting and soldered to the terminal portion.
The terminal fitting protrudes into the groove portion at a position closer to the bottom side than the opening portion of the groove portion at a portion facing the groove portion for receiving the core wire in the terminal portion, and narrows the width of the groove portion. A portion between the pair of protrusions and the bottom of the groove portion is configured to be a core wire holding groove portion that fits and holds the core wire without a gap,
The terminal part of the terminal fitting is configured to be plastically deformed when the distal ends thereof are displaced in a direction approaching each other and to hold in a state where the inner diameter of the core wire holding groove part is reduced,
The lead wires connected to the terminal fittings are inserted into the core holding groove portions of the terminal fittings, and are pressed against the inner surfaces of the core holding groove portions having a reduced inner diameter. It is soldered to the terminal part,
Magnet generator characterized by. 継鉄部から複数の歯部を突出させてなる電機子鉄心の前記歯部に電機子コイルを巻装してなる固定子と、前記固定子の歯部に対向する磁極部を有する磁石界磁を備えた磁石回転子と、先端側に開口させた心線受入用溝部を内側に有する先開形の端子部と該端子部の後端部から突出して延びる端子固定部とを一体に有して前記端子固定部が前記電機子鉄心の継鉄部に絶縁された状態で固定された複数の端子金具とを備え、前記電機子コイルの端末部が前記端子金具の端子部の後端部に巻き付けられて半田付けされるとともに、外部に引き出されるリード線の心線が前記端子金具の端子部の心線受入用溝部内に挿入されて該端子部に半田付けされている磁石発電機において、
前記端子金具の端子部の心線受入用溝部の底部とその両側の部分とを含む心線受入用溝部の奥部の横断面の輪郭が１８０度を超える円弧角を有する円弧の形状を呈するように前記心線受入用溝部が形成されて、該心線受入用溝部の奥部が前記心線を隙間なく嵌合させて保持する心線保持用溝部とされ、
前記端子部の前記心線受入用溝部を間にして対向する部分から該溝部内に突出して該溝部の幅を狭める一対の突起が、それぞれの頂部を前記円弧の両端に一致させた状態で設けられ、
前記端子金具の端子部は、その先端を互いに接近させる方向に変位させた際に塑性変形して前記心線保持用溝部の内径を縮小した状態に保持するように構成され、
各端子金具に接続されるリード線の心線は、各端子金具の心線保持用溝部内に挿入されて、内径が縮小された心線保持用溝部の内面に圧接した状態で各端子金具の端子部に半田付けされていること、
を特徴とする磁石発電機。
A magnet field having a stator in which an armature coil is wound around the tooth portion of an armature core formed by projecting a plurality of tooth portions from a yoke portion, and a magnetic pole portion facing the tooth portion of the stator A magnet rotor, a tip-opening terminal portion having a core wire receiving groove portion opened on the front end side, and a terminal fixing portion extending from the rear end portion of the terminal portion. A plurality of terminal fittings fixed in a state in which the terminal fixing portion is insulated from the yoke portion of the armature core, and a terminal portion of the armature coil is provided at a rear end portion of the terminal portion of the terminal fitting. In the magnet generator that is wound and soldered, and the lead wire drawn out to the outside is inserted into the lead wire receiving groove portion of the terminal portion of the terminal fitting and soldered to the terminal portion,
The contour of the cross section of the inner portion of the groove portion for receiving the core wire including the bottom portion of the core wire receiving groove portion of the terminal portion of the terminal fitting and the portions on both sides thereof exhibits an arc shape having an arc angle exceeding 180 degrees. The core wire receiving groove portion is formed, and the inner portion of the core wire receiving groove portion is a core wire holding groove portion that fits and holds the core wire without a gap,
A pair of protrusions projecting into the groove portion from the facing portion of the terminal portion with the core wire receiving groove portion therebetween and narrowing the width of the groove portion are provided in a state where the respective top portions are aligned with both ends of the arc. And
The terminal part of the terminal fitting is configured to be plastically deformed when the distal ends thereof are displaced in a direction approaching each other and to hold in a state where the inner diameter of the core wire holding groove part is reduced,
The lead wires connected to the terminal fittings are inserted into the core holding groove portions of the terminal fittings and are pressed against the inner surfaces of the core holding groove portions having a reduced inner diameter. It is soldered to the terminal part,
Magnet generator characterized by.
JP2005183172A 2005-06-23 2005-06-23 Magnet generator Pending JP2007006604A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114365398A (en) * 2019-09-10 2022-04-15 美蓓亚三美株式会社 Stator structure of motor, and moving body

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JPH04368445A (en) * 1991-06-17 1992-12-21 Matsushita Electric Ind Co Ltd Connection structure of molded motor
JPH07274424A (en) * 1994-03-31 1995-10-20 Nippon Densan Corp Spindle motor
JPH0888961A (en) * 1994-09-14 1996-04-02 Nippondenso Co Ltd Stator for magnetic generator
JP2003199279A (en) * 2001-12-28 2003-07-11 Saginomiya Seisakusho Inc Structure of retaining lead wire of electromagnetic coil

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JPS61149966U (en) * 1985-03-08 1986-09-16
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