JP2000228859A - Coil connecting structure of linear motor - Google Patents
Coil connecting structure of linear motorInfo
- Publication number
- JP2000228859A JP2000228859A JP2974499A JP2974499A JP2000228859A JP 2000228859 A JP2000228859 A JP 2000228859A JP 2974499 A JP2974499 A JP 2974499A JP 2974499 A JP2974499 A JP 2974499A JP 2000228859 A JP2000228859 A JP 2000228859A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- base
- linear motor
- holder
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Linear Motors (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、リニアモータのコ
イル接続構造に関するものである。The present invention relates to a coil connection structure for a linear motor.
【０００２】[0002]
【従来の技術】従来より、複数のコイルが列設されたコ
イルブロックを磁界中に配し可動子を移動させる推力を
発生させるように各コイルに電流を流して成るリニアモ
ータとして、例えば複数の永久磁石が長手方向に沿って
一定間隔で同一方向の磁極面の極性が交互に異なるよう
に配設されて成る永久磁石ブロックと、永久磁石の磁極
面に対向するコイルが長手方向に複数個列設されて成る
コイルブロックとを備え、永久磁石ブロックに対するコ
イルブロックの相対的な位置に応じて各コイルを交互に
異なる極性に励磁することで進行磁界を発生させ、この
進行磁界により両ブロック間に働く磁力によって永久磁
石ブロック又はコイルブロックの何れか一方の可動側ブ
ロック（可動子）を進行磁界と同方向に推進するリニア
モータが提供されている。2. Description of the Related Art Conventionally, as a linear motor having a plurality of coils arranged in a row in a magnetic field and applying a current to each coil so as to generate a thrust for moving a mover, for example, a plurality of linear motors are used. A permanent magnet block in which permanent magnets are arranged at regular intervals along the longitudinal direction so that the polarities of magnetic pole faces in the same direction are alternately different, and a plurality of longitudinally arranged coils facing the magnetic pole faces of the permanent magnets A coil block is provided, and a traveling magnetic field is generated by alternately exciting each coil to a different polarity according to the relative position of the coil block with respect to the permanent magnet block. Provided is a linear motor that propels one of a movable block (movable element) of a permanent magnet block and a coil block in the same direction as a traveling magnetic field by an applied magnetic force. There.
【０００３】[0003]
【発明が解決しようとする課題】ところで従来のリニア
モータにおいては、コイルブロックに励磁電流を供給す
るための給電部と各コイルとを半田付け等によって直接
電気的に接続していた。そのため、上記給電部とコイル
との結線作業が非常に煩雑になり、しかも全ての工程が
完了した後でないと接続作業が行えなかった。In a conventional linear motor, a power supply section for supplying an exciting current to a coil block and each coil are directly electrically connected by soldering or the like. For this reason, the connection work between the power supply unit and the coil becomes very complicated, and the connection work cannot be performed until after all the steps are completed.
【０００４】本発明は上記問題に鑑みて為されたもので
あり、その目的とするところは、コイルへの給電のため
の結線作業が簡素化できるリニアモータのコイル接続構
造を提供することにある。SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a coil connection structure for a linear motor capable of simplifying a wiring operation for supplying power to a coil. .
【０００５】[0005]
【課題を解決するための手段】請求項１の発明は、上記
目的を達成するために、複数のコイルが列設されたコイ
ルブロックを磁界中に配し可動子を移動させる推力を発
生させるように各コイルに電流を流して成るリニアモー
タのコイル接続構造であって、複数のコイルを長手方向
に沿って内部に並べて収納するコイルホルダと、コイル
の相数に応じた個数の略帯状の導電部をコイルホルダの
長手方向に沿ってコイルホルダの内部に臨ませて設けた
給電基板と、各コイルの端末部に設けられ各コイル毎に
それぞれ所定の導電部に接触導通する接触部とを具備
し、接触部により給電基板を介して各コイルに給電する
ことを特徴とし、コイルホルダ内にコイルを収納するだ
けで接触部によってコイルと給電基板の導電部とを電気
的に接続することが可能となるため、各コイルへの給電
のための結線作業が簡素化でき、作業性の向上が図れ
る。また、同じ相のコイルについてはコンパチブルにコ
イルホルダに収納してコイルブロックを組み立てること
ができ、組立の作業時間が短縮できる。According to a first aspect of the present invention, in order to achieve the above object, a coil block having a plurality of coils arranged in a row is arranged in a magnetic field to generate a thrust for moving a mover. A coil holder for accommodating a plurality of coils arranged in a longitudinal direction inside, and a number of substantially strip-shaped conductive members corresponding to the number of phases of the coils. A power supply board provided with the portion facing the inside of the coil holder along the longitudinal direction of the coil holder, and a contact portion provided at a terminal portion of each coil and in contact with and conductive with a predetermined conductive portion for each coil. Power is supplied to each coil via the power supply substrate by the contact portion, and the coil and the conductive portion of the power supply substrate can be electrically connected by the contact portion simply by housing the coil in the coil holder. Since the ability simplifies wiring work for power supply to each coil, thereby improving the workability. In addition, coils of the same phase can be stored in a coil holder in a compatible manner to assemble the coil block, thereby shortening the assembling work time.
【０００６】請求項２の発明は、請求項１の発明におい
て、各コイルを絶縁性のコイルボビンに巻設し、このコ
イルボビンに設けた位置決め用の突起が嵌入される位置
決め孔を所定の間隔でコイルブロックの長手方向沿って
設けた略板状の基台をコイルホルダの開口側に配設した
ことを特徴とし、コイルホルダに対するコイルの位置決
めが容易且つ確実に行える。According to a second aspect of the present invention, in the first aspect of the present invention, each coil is wound around an insulating coil bobbin, and positioning holes provided in the coil bobbin, into which positioning projections are fitted, are provided at predetermined intervals. A substantially plate-shaped base provided along the longitudinal direction of the block is disposed on the opening side of the coil holder, so that the coil can be easily and reliably positioned with respect to the coil holder.
【０００７】請求項３の発明は、請求項２の発明におい
て、基台を軟磁性材料で形成したことを特徴とし、基台
が継鉄となって磁路を形成するために磁力を増大させて
特性の向上が図れるとともに継鉄を基台と兼用している
ことで部品点数が増加しない。According to a third aspect of the present invention, in the second aspect of the present invention, the base is formed of a soft magnetic material, and the base serves as a yoke to form a magnetic path. The use of a yoke as a base does not increase the number of parts.
【０００８】請求項４の発明は、請求項３の発明におい
て、導電性を有する軟磁性材料で形成した基台と、一端
側において基台と接触導通し他端側でコイルと電気的に
接続される共通接触部とを具備し、給電基板の導電部と
基台とを介して各コイルに励磁電流を供給して成ること
を特徴とし、共通接触部により各コイルに共通接続され
る導電部と継鉄とを基台で兼用しているため、さらに部
品点数が削減できる。According to a fourth aspect of the present invention, in the third aspect of the present invention, the base made of a soft magnetic material having conductivity is electrically connected to the base at one end and electrically connected to the coil at the other end. A common contact portion, and an exciting current is supplied to each coil through the conductive portion of the power supply board and the base, and the conductive portion is commonly connected to each coil by the common contact portion. Since the base and the yoke are shared, the number of parts can be further reduced.
【０００９】[0009]
【発明の実施の形態】（実施形態１）本実施形態のコイ
ルブロックＡ１は、３相駆動のための３個のコイル１1
〜１3から成る１ユニットが、搬送する扉等の搬送推力
として必要とされる数だけ所定の間隔で連設されたもの
である。そして、上記各ユニットの３個のコイル１1〜
１3は、図２に示すように、上記各ユニットの同じ相対
位置（Ｕ相、Ｖ相、Ｗ相の各相のうちの同相）のもの
が、例えば始端の端末部同士が接続されるとともに終端
の端末部が各ユニット毎に共通接続されてスター結線さ
れている（図２ではユニット数を３としているがこれに
限定する趣旨ではない）。ここで、上記結線は、後述す
る給電基板２０に設けた４つの導電部２１1〜２１4によ
って各コイル１1〜１3の所定の端末部同士を接続するこ
とで行われ、後述する制御装置４０に対して可撓性を有
するフレキシブルプリント基板等を介して配線される。Coil block A1 of the embodiment of the Invention (Embodiment 1) This embodiment, three coils 1 1 for 3-phase drive
1 unit consisting to 1 3, in which provided continuously by the number by a predetermined spacing required as a transfer thrust door or the like for conveying. Then, the three coils 11 to
1 3, as shown in FIG. 2, the same relative position of the units intended (U-phase, V-phase, phase of each phase of the W phase), for example, with the beginning of the terminal portion are connected to each other The terminal units at the end are commonly connected to each other and are star-connected (in FIG. 2, the number of units is three, but this is not intended to limit the invention). Here, the connection is performed by connecting a predetermined terminal portions of the coils 1 1 to 1 3 by the four conductive portions 21 1 to 21 4 provided on the feeder board 20 to be described later, which will be described later controller The wiring is made to the wiring 40 via a flexible printed circuit board having flexibility.
【００１０】一方、制御装置４０は、図３に示すよう
に、直流電源から成る電源部４１と、例えば逆起防止用
ダイオードＤが逆並列に接続された６つのスイッチ素子
Ｑのブリッジ回路で構成されコイル１の励磁相（Ｕ相、
Ｖ相、Ｗ相の３相）を切り換える出力部４２と、出力部
４２の各スイッチ素子Ｑをスイッチング制御する制御部
４３と、コイルブロックＡ１の永久磁石ブロック（後述
する）に対する相対的な位置を検出するためのホール素
子のような磁気センサ４４とを備えている。また、制御
部４３は、例えばＣＰＵを主構成要素とし、磁気センサ
４４からの位置検出信号を入力し、所定のプログラムに
基づいて出力部４２のスイッチ素子Ｑを順次オンオフす
る。この制御装置４０により、コイルブロックＡ１の３
相のコイル１の内の２つの相のコイル１に常時電流を流
すことにより、コイルホルダ１０の長手方向に沿って移
動する進行磁界を発生し、この進行磁界によって上記永
久磁石ブロックとの間で大略直線的な長手方向に向けて
移動し得る推力を得ることができる。On the other hand, as shown in FIG. 3, the control device 40 is composed of a power supply section 41 composed of a DC power supply and a bridge circuit of six switch elements Q in which, for example, a back electromotive prevention diode D is connected in anti-parallel. And the excitation phase of coil 1 (U phase,
The output unit 42 that switches between the three phases (V-phase and W-phase), the control unit 43 that controls the switching of each switch element Q of the output unit 42, and the relative position of the coil block A1 with respect to the permanent magnet block (described later). And a magnetic sensor 44 such as a Hall element for detection. Further, the control unit 43 has, for example, a CPU as a main component, inputs a position detection signal from the magnetic sensor 44, and sequentially turns on and off the switch elements Q of the output unit 42 based on a predetermined program. The control device 40 controls the coil block A1 3
A current is constantly applied to the two phase coils 1 of the phase coils 1 to generate a traveling magnetic field that moves along the longitudinal direction of the coil holder 10, and the traveling magnetic field causes the traveling magnetic field to move between the permanent magnet block and the permanent magnet block. A thrust that can move in a substantially linear longitudinal direction can be obtained.
【００１１】ここで、コイルブロックＡ１とともにリニ
アモータを構成する永久磁石ブロックは、厚み方向に異
極が存在し長手方向に一定間隔を持って交互に異極が存
在するよう着磁された平板状の永久磁石にて形成されて
いる。そして、コイルブロックＡ１と永久磁石ブロック
の一方を固定子、他方を可動子とし、上記進行磁界によ
って推進する可動子によって扉等が搬送されるのであ
る。なお、永久磁石ブロックの代わりに、例えば鉄やア
ルミ等の金属製板材に突起状の磁極部を複数個列設した
従来周知の構造のものを固定子あるいは可動子として用
いることも可能である。Here, the permanent magnet block which constitutes the linear motor together with the coil block A1 has a plate shape magnetized so that different poles exist in the thickness direction and different poles alternately exist at a certain interval in the longitudinal direction. Of permanent magnets. One of the coil block A1 and the permanent magnet block is a stator, and the other is a mover, and a door or the like is conveyed by a mover driven by the traveling magnetic field. Instead of the permanent magnet block, a conventionally known structure in which a plurality of protruding magnetic pole portions are arranged in a row on a metal plate material such as iron or aluminum can be used as the stator or the mover.
【００１２】コイルブロックＡ１は、図１に示すよう
に、各ユニットの３個のコイル１1〜１3を長手方向に沿
って内部に並べて収納するコイルホルダ１０と、略帯状
に形成された４つの導電部２１1〜２１4をコイルホルダ
１０の長手方向に沿ってコイルホルダ１０の内部に臨ま
せて設けた給電基板２０と、各コイル１1…の端末部に
設けられ各コイル１1…毎にそれぞれ所定の導電部２１1
〜２１4に接触導通する接触部２1，２2とを具備してい
る。As shown in FIG. 1, the coil block A1 includes a coil holder 10 for accommodating three coils 11 to 13 of each unit arranged in a longitudinal direction inside the coil block A1, and a coil 4 formed substantially in a belt shape. one of the conductive portion 21 1 to 21 4 and the feed substrate 20 provided so as to face the inside of the coil holder 10 in the longitudinal direction of the coil holder 10, the coils 1 1 ... of the terminal portions 1 each coil provided in 1 ... Each predetermined conductive part 21 1
To 21 4 to the contact portion 2 1 contacting conductive, 2 are provided with 2 and.
【００１３】コイルホルダ１０は、合成樹脂等によって
断面形状略コ字形の樋状に形成され、その内部に各コイ
ル１1…が長手方向に沿って並んだ状態で収納される。
コイルホルダ１０の長手方向に延びる両側壁１１，１１
の上端部内側には、給電基板２０の端部を挿入して保持
する保持溝１２が長手方向に沿って形成してある。[0013] coil holder 10 is synthesized by a resin or the like is formed on the trough-like cross-sectional shape substantially U-shape, each coil 1 1 ... therein is housed in a state aligned along the longitudinal direction.
Both side walls 11, 11 extending in the longitudinal direction of the coil holder 10
A holding groove 12 for inserting and holding an end of the power supply board 20 is formed along the longitudinal direction inside the upper end of the power supply board 20.
【００１４】給電基板２０は、エポキシ樹脂等で矩形板
状に形成され、片側の面に長手方向に沿った略帯状の導
電部２１1〜２１4が短幅方向に略等間隔に並べて形成さ
れたプリント基板から成る。そして、図１に示すよう
に、導電部２１1〜２１4が形成された面を内側にして、
長手方向に沿った両端部をコイルホルダ１０の両側壁１
１，１１に形成した保持溝１２に挿入することにより、
給電基板２０がコイルホルダ１０の開口側を塞ぐように
して取着保持される。[0014] feeding the substrate 20 is formed in a rectangular plate shape with an epoxy resin or the like, is formed substantially strip-shaped conductive portion 21 1 to 21 4 in the longitudinal direction on one surface side by side at substantially equal intervals in the short width direction Consisting of printed circuit boards. Then, as shown in FIG. 1, and the conductive portion 21 1 to 21 4 are formed on the inner side,
Both ends along the longitudinal direction are the side walls 1 of the coil holder 10.
By inserting into the holding groove 12 formed in
The power supply board 20 is attached and held so as to close the opening side of the coil holder 10.
【００１５】また、弾性を有する金属部材によって板バ
ネ状に形成された接触部２1，２2が、先端部をコイルホ
ルダ１０の開口面に臨ませるようにして、コイルホルダ
１０内に収納される各コイル１1…の始端及び終端の端
末部に基端部が半田付け等の適宜の手段で電気的に接続
されている。ここで、２つの接触部２1，２2のうちの一
方の接触部（共通接触部）２2は、ユニット内の３個の
コイル１1〜１3同士を共通接続するための共通接続用の
導電部２１4に対して先端部が弾接し、他方の接触部２1
は、各相に対応した導電部２１1〜２１3の何れか１つに
対して先端部が弾接する位置にそれぞれ配設されてい
る。Further, the contact portions 2 1, 2 2 formed in shape leaf spring of metal member having elasticity, the distal end portion so as to face the opening face of the coil holder 10 is housed in the coil holder 10 and it is electrically connected proximal end to a terminal portion of the coils 1 1 ... beginning and end of an appropriate means such as soldering that. Here, the two contact portions 2 1, 2 one of the contact portions of the two (the common contact portion) 2 2, for the common connection for commonly connecting the three coils 1 1 to 1 3 to each other in the unit the conductive portion 21 4 tip in elastic contact against the other contact portion 2 1
The tip portion with respect to any one of the conductive portion 21 1 to 21 3 corresponding to each phase are respectively disposed in the bullet contacting position.
【００１６】而して、本実施形態のコイルブロックＡ１
を製造する過程においては、コイルホルダ１０内に各相
に対応したコイル１1〜１3を所定の順序で並べて収納
し、コイルホルダ１０の開口部に給電基板２０を取着す
れば、各コイル１1〜１3の接触部２1，２2がそれぞれ共
通接続用の導電部２１4と各相に対応した導電部２１1〜
２１3の何れか１つとに弾接して接触導通することにな
る。したがって、従来例のように各コイル１1〜１3をリ
ード線等を使って結線する場合に比較して結線作業が非
常に簡素化され、作業性の向上が図れる。また、同相の
コイル１1…については、ユニットに関係なくコンパチ
ブルにコイルホルダ１０内に収納してコイルブロックＡ
１を組み立てることができ、組立の作業時間が短縮でき
るという利点もある。Thus, the coil block A1 of this embodiment
In the process of manufacturing, housed side by side coils 1 1 to 1 3 corresponding to each phase coil holder 10 in a predetermined order, if attached to the feed substrate 20 to the opening of the coil holder 10, each coil 1 1 to 1 contact portion 2 1 of 3, 2 2 conductive portion 21 4 and the corresponding to each phase conductive portion 21 1 for the common connected
It brought into contact conductive contact any one bright and early bullet 21 3. Thus, conventional connecting operation as compared with the case where each coil 1 1 to 1 3 connected with a lead wire or the like is greatly simplified as, thereby improving workability. Further, the coil 1 1 ... of the same phase, the coil block A is housed compatible to the coil holder 10 regardless of the unit
1 can be assembled, and there is an advantage that the assembling work time can be reduced.
【００１７】（実施形態２）図４に本実施形態のコイル
ブロックＡ２の断面斜視図を示す。なお、本実施形態の
基本的な構成は実施形態１と共通であるので、共通する
部分については同一の符号を付して図示あるいは説明を
省略する。(Embodiment 2) FIG. 4 is a sectional perspective view of a coil block A2 according to this embodiment. Note that the basic configuration of the present embodiment is the same as that of the first embodiment, and thus common portions are denoted by the same reference numerals and illustration or description is omitted.
【００１８】コイル１1…は、合成樹脂等の絶縁性を有
する部材によって形成されたコイルボビン３に巻設され
ている。また、コイルボビン３の胴部の一端側には位置
決め用の突起４が突設されている。The coil 1 1 ... is wound around a coil bobbin 3 which is formed by a member having an insulating property such as a synthetic resin. A positioning projection 4 is provided on one end of the body of the coil bobbin 3.
【００１９】コイルホルダ１０の開口には、軟磁性材料
によって略板状に形成された基台３０が両側壁１１，１
１の保持溝１２に両端部が挿入保持されて取着される。
そして、この基台３０には、各コイル１1…の位置決め
用の突起４が嵌入される位置決め孔３１が所定の間隔で
列設されており、位置決め用の突起４を位置決め孔３１
に嵌入するようにしてコイルホルダ１０の開口側に基台
３０を取着すれば、各コイル１1…をコイルホルダ１０
及び基台３０に対して容易且つ確実に位置決めすること
ができる。なお、本実施形態では位置決め孔３１を略円
形に形成しているが、これに限定する趣旨ではなく、位
置決め用の突起４の形状に応じた任意の形状とすればよ
い。At the opening of the coil holder 10, a base 30 formed of a soft magnetic material in a substantially plate shape is provided on both side walls 11, 1.
Both ends are inserted and held in one holding groove 12 and attached.
Then, the base 30, positioning holes 31 each coil 1 1 ... projection 4 for positioning the is fitted are column set at predetermined intervals, the positioning hole the protrusion 4 for positioning 31
When the base 30 is attached to the opening side of the coil holder 10 so as to fit into the coil holder 10, the coils 1 1 .
In addition, the positioning can be easily and reliably performed with respect to the base 30. In the present embodiment, the positioning hole 31 is formed in a substantially circular shape. However, the present invention is not limited to this, and may have an arbitrary shape according to the shape of the positioning projection 4.
【００２０】また、コイルホルダ１０の一方の側壁１１
の内側面には、略帯板状の給電基板２２を収納する収納
凹部１３が形成してある。この給電基板２２は、エポキ
シ樹脂等で矩形板状に形成され片側の面に長手方向に沿
った略帯状の導電部２１1〜２１4が短幅方向に略等間隔
に並べて形成されたプリント基板から成り、導電部２１
1〜２１4の形成面を内側にして側壁１１の収納凹部１３
に収納される。なお、側壁１１の収納凹部１３端縁には
係止片１３ａが長手方向に沿って設けてあり、この係止
片１３ａに給電基板２２の端部を係止することで収納凹
部１３からの給電基板２２の脱落が防止されている。Also, one side wall 11 of the coil holder 10
A storage recess 13 for storing a substantially strip-shaped power supply board 22 is formed on the inner side surface of the power supply board 22. The power supply board 22, a printed circuit board substantially strip-shaped conductive portion 21 1 to 21 4 along the surface of one side is formed in a rectangular plate shape with an epoxy resin or the like in the longitudinal direction are formed side by side at substantially equal intervals in the short width direction And the conductive portion 21
The storage recess 13 of the side wall 11 with the formation surface of 1 to 21 4 inside.
Is stored in. A locking piece 13 a is provided along the longitudinal direction at the edge of the storage recess 13 of the side wall 11, and power is supplied from the storage recess 13 by locking the end of the power supply board 22 to the locking piece 13 a. The substrate 22 is prevented from falling off.
【００２１】一方、導電部２１1〜２１4に弾接する接触
部２1，２2が、コイル１1…の給電基板２２と対向する
側面に突出するように設けてある。而して、コイルホル
ダ１０内に各相に対応したコイル１1〜１3を所定の順序
で並べて収納すれば、各コイル１1〜１3の接触部２1，
２2がそれぞれ共通接続用の導電部２１4と各相に対応し
た導電部２１1〜２１3の何れか１つとに弾接して接触導
通することになり、実施形態１と同様に結線作業が非常
に簡素化され、作業性の向上が図れる。しかも、コイル
ホルダ１０に基台３０を取着すれば、コイルボビン３に
設けた突起４が基台３０の位置決め孔３１に嵌入されて
位置決めが為されるから、実施形態１に比較して更に作
業性の向上が図れるとともに、組立後にコイル１1…の
位置ずれが生じる等の不具合の発生を防ぐことができる
という利点がある。さらに、基台３０を軟磁性材料で形
成しているので、コイルホルダ１０に取着した状態で基
台３０が継鉄となってコイル１1…から発生する磁束の
磁路を形成するため、進行磁界の磁力を増大させて特性
の向上が図れるとともに継鉄を基台３０と兼用している
ことで部品点数が増加しないという利点がある。Meanwhile, the conductive portion 21 1 to 21 4 elastically contact the contact portion 2 1, 2 2, is provided so as to protrude on the side facing the coil 1 1 ... feed substrate 22. And Thus, if rack mounted side coil 1 1 to 1 3 corresponding to each phase coil holder 10 in a predetermined order, the contact portion 2 1 of the coil 1 1 to 1 3,
2 2 is in contact conductive contact any one bright and early bullet conductive portions 21 1 to 21 3 corresponding to the conductive portion 21 4 and each phase for the common connected, is likewise connection work with Embodiment 1 It is very simplified and the workability can be improved. In addition, if the base 30 is attached to the coil holder 10, the projections 4 provided on the coil bobbin 3 are fitted into the positioning holes 31 of the base 30 to perform positioning. together can be improved sexual, there is an advantage that it is possible to prevent the occurrence of defects such as a coil 1 1 ... positional deviation of after assembly occurs. Further, since the form base 30 of a soft magnetic material, to form a magnetic path of the magnetic flux generated from the coil 1 1 ... and base 30 in a state of being attached to the coil holder 10 is a yoke, There is an advantage that the characteristics can be improved by increasing the magnetic force of the traveling magnetic field, and the number of components does not increase because the yoke also serves as the base 30.
【００２２】（実施形態３）図５に本実施形態のコイル
ブロックＡ３の断面図を示す。なお、本実施形態の基本
的な構成は実施形態２と共通であるので、共通する部分
については同一の符号を付して図示あるいは説明を省略
する。(Embodiment 3) FIG. 5 is a sectional view of a coil block A3 according to this embodiment. The basic configuration of the present embodiment is the same as that of the second embodiment. Therefore, the common components are denoted by the same reference numerals, and illustration or description is omitted.
【００２３】本実施形態においては、コイルホルダ１０
の開口側に取着される基台３２を導電性を有する軟磁性
材料にて略板状に形成し、ユニット内の各相のコイル１
1〜１3に設けた一方の接触部２2を基台３２に弾接する
ことによって、各コイル１1〜１3同士を共通接続するよ
うにしている。なお、給電基板２２には共通接続用の導
電部２１4を除く３つの導電部２１1〜２１3が形成して
ある。また、コイルボビン３に位置決め用の突起４を設
けるとともに、この突起４が嵌入される位置決め孔３１
を基台３２に所定間隔で設けてある点は実施形態２と共
通である。In this embodiment, the coil holder 10
The base 32 attached to the opening side of the unit is formed in a substantially plate shape from a soft magnetic material having conductivity, and the coil 1 of each phase in the unit is formed.
By one of the contact portions 2 2 provided in 1 to 1 3 contact base 32 elastically, so that commonly connecting the coils 1 1 to 1 3 to each other. Incidentally, it is formed three conductive portions 21 1 to 21 3, except the conductive portion 21 4 for common connection to the feeder board 22. A positioning projection 4 is provided on the coil bobbin 3 and a positioning hole 31 into which the projection 4 is fitted.
Are provided at predetermined intervals on the base 32 in common with the second embodiment.
【００２４】而して、コイルホルダ１０内に各相に対応
したコイル１1〜１3を所定の順序で並べて収納すれば、
各コイル１1〜１3の一方の接触部２1がそれぞれ各相に
対応した導電部２１1〜２１3の何れか１つに弾接して接
触導通することになり、さらに基台３２をコイルホルダ
１０の開口側に取着することで他方の接触部２2が基台
３２の内側面に弾接してそれぞれ共通接続されるから、
実施形態１及び２と同様に結線作業が非常に簡素化さ
れ、作業性の向上が図れる。しかも、コイルホルダ１０
に基台３２を取着すれば、コイルボビン３に設けた突起
４が基台３２の位置決め孔３１に嵌入されて位置決めが
為されるから、実施形態２と同様に更に作業性の向上が
図れるとともに、組立後にコイル１1…の位置ずれが生
じる等の不具合の発生を防ぐことができるという利点が
ある。さらに、基台３２を軟磁性材料で形成しているの
で、実施形態２と同様にコイルホルダ１０に取着した状
態で基台３２が継鉄となってコイル１1…から発生する
磁束の磁路を形成するため、進行磁界の磁力を増大させ
て特性の向上が図れるとともに継鉄と導電部を基台３２
と兼用していることで部品点数が削減できるという利点
がある。[0024] In Thus, if rack mounted side coil 1 1 to 1 3 corresponding to each phase coil holder 10 in a predetermined order,
Will be one of the contact portion 2 1 of each coil 1 1 to 1 3 are in contact conducts elastic contact with one of the conductive portions 21 1 to 21 3 corresponding to each phase, further coil base 32 since the other contact part 2 2 by attaching the open side of the holder 10 are commonly connected each elastic contact with the inner surface of the base 32,
As in the first and second embodiments, the connection work is greatly simplified, and the workability can be improved. Moreover, the coil holder 10
When the base 32 is mounted on the base 32, the protrusions 4 provided on the coil bobbin 3 are fitted into the positioning holes 31 of the base 32 to perform positioning, so that the workability can be further improved as in the second embodiment, and , there is an advantage that it is possible to prevent the occurrence of problems such as a coil 1 1 ... positional deviation of results after assembly. Further, since the base 32 is formed of a soft magnetic material, the base 32 serves as a yoke in a state where the base 32 is attached to the coil holder 10 in the same manner as in the second embodiment so that the magnetic flux generated from the coils 11 1 . In order to form the path, the magnetic force of the traveling magnetic field is increased to improve the characteristics, and the yoke and the conductive part are mounted on the base 32.
Also, there is an advantage that the number of parts can be reduced.
【００２５】（実施形態４）図６に本実施形態のコイル
ブロックＡ４の断面図を示す。なお、本実施形態の基本
的な構成は実施形態１と共通であるので、共通する部分
については同一の符号を付して図示あるいは説明を省略
する。(Embodiment 4) FIG. 6 is a sectional view of a coil block A4 according to this embodiment. Note that the basic configuration of the present embodiment is the same as that of the first embodiment, and thus common portions are denoted by the same reference numerals and illustration or description is omitted.
【００２６】図６に示すように、コイルホルダ１０の開
口側には、絶縁材料によって略平板状に形成された絶縁
基板３３が端部を保持溝１２に挿入保持させて取着して
ある。この絶縁基板３３には、実施形態２並びに３と同
様にコイルボビン３の位置決め用の突起４が嵌入される
位置決め孔３１が所定間隔で列設されている。As shown in FIG. 6, on the opening side of the coil holder 10, an insulating substrate 33 made of an insulating material and formed in a substantially flat plate shape is attached by inserting and holding an end into the holding groove 12. As in the second and third embodiments, positioning holes 31 into which the positioning protrusions 4 of the coil bobbin 3 are fitted are arranged in the insulating substrate 33 at predetermined intervals.
【００２７】さらに、絶縁基板３３の片面には、長手方
向に沿った帯状の凹所３４が短幅方向に４つ並べて形成
されており、各凹所３４には導電性を有する軟磁性材料
によって略帯板状に形成された導電板３５1〜３５4がそ
れぞれ嵌入されている。Further, on one surface of the insulating substrate 33, four strip-shaped recesses 34 along the longitudinal direction are formed side by side in the short width direction, and each recess 34 is made of a soft magnetic material having conductivity. conductive plate 35 1-35 4 formed in a substantially band plate shape is fitted, respectively.
【００２８】而して、コイルホルダ１０内に各相に対応
したコイル１1〜１3を所定の順序で並べて収納するとと
もにコイルホルダ１０に絶縁基板３３を取着すれば、各
コイル１1〜１3の接触部２1，２2がそれぞれ共通接続用
の導電板３５4と各相に対応した導電板３５1〜３５3の
何れか１つとに弾接して接触導通することになり、実施
形態１と同様に結線作業が非常に簡素化され、作業性の
向上が図れる。また、実施形態２や３と同様に、コイル
ボビン３に設けた突起４が絶縁基板３３の位置決め孔３
１に嵌入されて位置決めが為されるから、更に作業性の
向上が図れるとともに組立後にコイル１1…の位置ずれ
が生じる等の不具合の発生を防ぐことができるという利
点がある。しかも、導電板３５1〜３５4を軟磁性材料で
形成しているので、コイルホルダ１０に取着した状態で
導電板３５1〜３５4が継鉄となってコイル１1…から発
生する磁束の磁路を形成するため、進行磁界の磁力を増
大させて特性の向上が図れるとともに継鉄及び給電基板
を導電板３５1〜３５4と兼用していることで部品点数が
更に削減できるという利点がある。[0028] In Thus, if attaching the insulating substrate 33 to the coil holder 10 with housing side by side coils 1 1 to 1 3 corresponding to each phase coil holder 10 in a predetermined order, the coils 1 1 - 1 3 contact portions 2 1, 2 2 is in contact conductive contact any one bright and early bullet conductive plate 35 1-35 3 corresponding to the conductive plate 35 4 and each phase for the common connected, performed As in the first embodiment, the connection work is greatly simplified, and workability can be improved. Further, similarly to the second and third embodiments, the protrusions 4 provided on the coil bobbin 3 correspond to the positioning holes 3 of the insulating substrate 33.
Since positioning is fitted to 1 is made, there is an advantage that it is possible to further prevent the occurrence of defects such as a coil 1 1 ... positional deviation of results after assembly together thereby improving the workability. Moreover, since the conductive plate 35 1-35 4 is formed of a soft magnetic material, the magnetic flux conductive plate 35 1-35 4 while attached to the coil holder 10 is turned yoke generated by the coil 1 1 ... advantage for forming a magnetic path, the number of parts by also serves as a yoke and the feeding substrate conductive plate 35 1-35 4 and with increase the magnetic force of the progress field can be improved characteristics can be further reduced There is.
【００２９】[0029]
【発明の効果】請求項１の発明は、複数のコイルが列設
されたコイルブロックを磁界中に配し可動子を移動させ
る推力を発生させるように各コイルに電流を流して成る
リニアモータのコイル接続構造であって、複数のコイル
を長手方向に沿って内部に並べて収納するコイルホルダ
と、コイルの相数に応じた個数の略帯状の導電部をコイ
ルホルダの長手方向に沿ってコイルホルダの内部に臨ま
せて設けた給電基板と、各コイルの端末部に設けられ各
コイル毎にそれぞれ所定の導電部に接触導通する接触部
とを具備し、接触部により給電基板を介して各コイルに
給電するので、コイルホルダ内にコイルを収納するだけ
で接触部によってコイルと給電基板の導電部とを電気的
に接続することが可能となるため、各コイルへの給電の
ための結線作業が簡素化でき、作業性の向上が図れると
いう効果がある。また、同じ相のコイルについてはコン
パチブルにコイルホルダに収納してコイルブロックを組
み立てることができ、組立の作業時間が短縮できるとい
う効果がある。According to a first aspect of the present invention, there is provided a linear motor in which a coil block in which a plurality of coils are arranged is arranged in a magnetic field, and a current is applied to each coil so as to generate a thrust for moving a mover. A coil connection structure, comprising: a coil holder for accommodating a plurality of coils arranged therein in a longitudinal direction and a substantially band-shaped conductive portion corresponding to the number of phases of the coil along a coil holder along a longitudinal direction of the coil holder. And a contact portion provided at a terminal portion of each coil and in contact with and conducting to a predetermined conductive portion for each coil. Each coil is provided by the contact portion via the power supply substrate. Since the power is supplied to the coil, it is possible to electrically connect the coil and the conductive part of the power supply board by the contact part only by storing the coil in the coil holder. You can hydrogenation, there is an effect that can be improved workability. In addition, coils having the same phase can be accommodated in the coil holder in a compatible manner to assemble the coil block, which has the effect of shortening the assembly work time.
【００３０】請求項２の発明は、各コイルを絶縁性のコ
イルボビンに巻設し、このコイルボビンに設けた位置決
め用の突起が嵌入される位置決め孔を所定の間隔でコイ
ルブロックの長手方向沿って設けた略板状の基台をコイ
ルホルダの開口側に配設したので、コイルホルダに対す
るコイルの位置決めが容易且つ確実に行えるという効果
がある。According to a second aspect of the present invention, each coil is wound around an insulative coil bobbin, and positioning holes into which the positioning projections provided on the coil bobbin are fitted are provided at predetermined intervals along the longitudinal direction of the coil block. Since the substantially plate-like base is disposed on the opening side of the coil holder, there is an effect that the coil can be easily and reliably positioned with respect to the coil holder.
【００３１】請求項３の発明は、基台を軟磁性材料で形
成したので、基台が継鉄となって磁路を形成するために
磁力を増大させて特性の向上が図れるとともに継鉄を基
台と兼用していることで部品点数が増加しないという効
果がある。According to the third aspect of the present invention, since the base is formed of a soft magnetic material, the magnetic force is increased to form a magnetic path by using the base as a yoke, thereby improving the characteristics and improving the yoke. There is an effect that the number of parts does not increase by also using the base.
【００３２】請求項４の発明は、導電性を有する軟磁性
材料で形成した基台と、一端側において基台と接触導通
し他端側でコイルと電気的に接続される共通接触部とを
具備し、給電基板の導電部と基台とを介して各コイルに
励磁電流を供給して成るので、共通接触部により各コイ
ルに共通接続される導電部と継鉄とを基台で兼用してい
るため、さらに部品点数が削減できるという効果があ
る。According to a fourth aspect of the present invention, there is provided a base formed of a soft magnetic material having conductivity, and a common contact portion which is in contact with the base at one end and is electrically connected to the coil at the other end. Since the excitation current is supplied to each coil through the conductive portion of the power supply board and the base, the conductive portion commonly connected to each coil by the common contact portion and the yoke are shared by the base. Therefore, there is an effect that the number of parts can be further reduced.
【図１】実施形態１を示す断面斜視図である。FIG. 1 is a sectional perspective view showing a first embodiment.
【図２】同上の配線図である。FIG. 2 is a wiring diagram of the same.
【図３】同上の制御装置を示す概略回路図である。FIG. 3 is a schematic circuit diagram showing the control device according to the first embodiment;
【図４】実施形態２を示す断面斜視図である。FIG. 4 is a sectional perspective view showing a second embodiment.
【図５】実施形態３を示す断面図である。FIG. 5 is a sectional view showing a third embodiment.
【図６】実施形態４を示す断面図である。FIG. 6 is a sectional view showing a fourth embodiment.
１ コイル ２ 接触部 １０ コイルホルダ ２０ 給電基板 ２１ 導電部 DESCRIPTION OF SYMBOLS 1 Coil 2 Contact part 10 Coil holder 20 Power supply board 21 Conductive part
───────────────────────────────────────────────────── フロントページの続き (72)発明者 志方 宣之 大阪府門真市大字門真1048番地松下電工株 式会社内 Ｆターム(参考） 5H641 BB03 BB07 BB18 BB19 GG02 GG03 GG08 GG11 GG12 GG15 GG16 GG19 GG20 GG24 GG26 GG28 HH02 HH03 HH06 HH11 HH13 HH14 ────────────────────────────────────────────────── ─── Continued on the front page (72) Nobuyuki Shikata, Inventor No. 1048 Kadoma, Kazuma, Osaka Prefecture F-term in Matsushita Electric Works Co., Ltd. HH02 HH03 HH06 HH11 HH13 HH14
Claims (4)
クを磁界中に配し可動子を移動させる推力を発生させる
ように各コイルに電流を流して成るリニアモータのコイ
ル接続構造であって、複数のコイルを長手方向に沿って
内部に並べて収納するコイルホルダと、コイルの相数に
応じた個数の略帯状の導電部をコイルホルダの長手方向
に沿ってコイルホルダの内部に臨ませて設けた給電基板
と、各コイルの端末部に設けられ各コイル毎にそれぞれ
所定の導電部に接触導通する接触部とを具備し、接触部
により給電基板を介して各コイルに給電することを特徴
とするリニアモータのコイル接続構造。A coil connection structure for a linear motor, wherein a coil block in which a plurality of coils are arranged in a row is arranged in a magnetic field and current is applied to each coil so as to generate a thrust for moving a mover, A coil holder for accommodating a plurality of coils arranged inside along the longitudinal direction, and a number of substantially strip-shaped conductive portions corresponding to the number of phases of the coil are provided facing the inside of the coil holder along the longitudinal direction of the coil holder. A power supply board, and a contact portion provided at a terminal portion of each coil and in contact with and conductive to a predetermined conductive portion for each coil, and the contact portion supplies power to each coil via the power supply substrate. Linear motor coil connection structure.
し、このコイルボビンに設けた位置決め用の突起が嵌入
される位置決め孔を所定の間隔でコイルブロックの長手
方向沿って設けた略板状の基台をコイルホルダの開口側
に配設したことを特徴とする請求項１記載のリニアモー
タのコイル接続構造。2. A substantially plate-shaped coil wound around an insulated coil bobbin, and positioning holes into which the positioning projections provided on the coil bobbin are fitted are provided at predetermined intervals along the longitudinal direction of the coil block. The coil connection structure for a linear motor according to claim 1, wherein the base is disposed on an opening side of the coil holder.
とする請求項２記載のリニアモータのコイル接続構造。3. The coil connection structure for a linear motor according to claim 2, wherein the base is formed of a soft magnetic material.
台と、一端側において基台と接触導通し他端側でコイル
と電気的に接続される共通接触部とを具備し、給電基板
の導電部と基台とを介して各コイルに励磁電流を供給し
て成ることを特徴とする請求項３記載のリニアモータの
コイル接続構造。4. A power supply board, comprising: a base formed of a soft magnetic material having conductivity; and a common contact portion that is in contact with the base at one end and is electrically connected to a coil at the other end. 4. The coil connection structure for a linear motor according to claim 3, wherein an exciting current is supplied to each coil via the conductive portion and the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2974499A JP2000228859A (en) | 1999-02-08 | 1999-02-08 | Coil connecting structure of linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2974499A JP2000228859A (en) | 1999-02-08 | 1999-02-08 | Coil connecting structure of linear motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000228859A true JP2000228859A (en) | 2000-08-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2974499A Pending JP2000228859A (en) | 1999-02-08 | 1999-02-08 | Coil connecting structure of linear motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000228859A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007318903A (en) * | 2006-05-25 | 2007-12-06 | Nikon Corp | Linear motor, stage apparatus, and aligner |
| JP2008253009A (en) * | 2007-03-29 | 2008-10-16 | Kawasaki Precision Machinery Ltd | Linear motion electric actuator for vibration damping |
| JP2009100617A (en) * | 2007-10-19 | 2009-05-07 | Nippon Thompson Co Ltd | Mounting head with built-in shaft type linear motor |
-
1999
- 1999-02-08 JP JP2974499A patent/JP2000228859A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007318903A (en) * | 2006-05-25 | 2007-12-06 | Nikon Corp | Linear motor, stage apparatus, and aligner |
| JP2008253009A (en) * | 2007-03-29 | 2008-10-16 | Kawasaki Precision Machinery Ltd | Linear motion electric actuator for vibration damping |
| JP2009100617A (en) * | 2007-10-19 | 2009-05-07 | Nippon Thompson Co Ltd | Mounting head with built-in shaft type linear motor |
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