JPH0865982A - Brushless motor - Google Patents

Brushless motor

Info

Publication number
JPH0865982A
JPH0865982A JP19528994A JP19528994A JPH0865982A JP H0865982 A JPH0865982 A JP H0865982A JP 19528994 A JP19528994 A JP 19528994A JP 19528994 A JP19528994 A JP 19528994A JP H0865982 A JPH0865982 A JP H0865982A
Authority
JP
Japan
Prior art keywords
conductor
printed wiring
flexible
width
wiring board
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
Application number
JP19528994A
Other languages
Japanese (ja)
Inventor
Hiroshi Ikeno
弘志 池野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP19528994A priority Critical patent/JPH0865982A/en
Publication of JPH0865982A publication Critical patent/JPH0865982A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/11—Printed elements for providing electric connections to or between printed circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/36—Assembling printed circuits with other printed circuits
    • H05K3/361—Assembling flexible printed circuits with other printed circuits

Landscapes

  • Brushless Motors (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

PURPOSE: To enable the miniaturization of a flexible board by setting the ratio of the conductor width of a printed wiring board the conductor space of which is larger than the conductor width of its land for flexible board connection to the conductor width of a flexible board the conductor space of which is smaller than the conductor width of its flexible land. CONSTITUTION: As seen from the detailed plan of portion A, a land for flexible board connection the conductor space of which is larger than the width of each of a plurality of conductors for brushless motor drive, is placed on a printed wiring board (PB) 1. As seen from the detailed plan of portion A as well, a flexible land the conductor space of which is smaller than the width of each of a plurality of conductors for brushless motor drive, is placed on a flexible board 2, which is in turn connected to the flexible board connection land of PB1. The ratio of conductor width of the flexible board connection land of PB1 and the flexible land of the flexible board 2 is 1:2 or above. A winding 3 is wired on PB1. A housing 4 holds an oil impregnated bearing 5 and a thrust bearing 6 and is secured on PB1. A rotor frame 7 holds a driving magnet 8 and is secured on a rotary shaft 9. The driving magnet 8 is opposed to a stator assembly with a certain space in-between in the axial direction.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明はカセットテープレコーダ
やビデオテープレコーダなどのテープ駆動源、その他各
種機器の駆動源に用いられるブラシレスモータに関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape drive source such as a cassette tape recorder and a video tape recorder, and a brushless motor used as a drive source for various other devices.

【０００２】[0002]

【従来の技術】近年、カセットテープレコーダやビデオ
テープレコーダは小型，薄型化が必要とされており、か
つ低価格化が要求されている。2. Description of the Related Art In recent years, cassette tape recorders and video tape recorders have been required to be small and thin and to be low in price.

【０００３】以下に従来のブラシレスモータの構造につ
いて説明する。図３は従来のブラシレスモータの構造図
である。The structure of a conventional brushless motor will be described below. FIG. 3 is a structural diagram of a conventional brushless motor.

【０００４】図３において、１はプリント配線板で、Ａ
部詳細平面図のようにブラシレスモータ駆動用の複数の
導体幅と導体間空隙がほぼ同じプリント配線リード線を
接続するための複数の電流導通領域（以後フレキ接続用
ランドと呼ぶ）が配置してあり、前記フレキ接続用ラン
ドの導体幅方向両端にフレキ接続用ランドと同じ大きさ
のフレキ固定強度向上用で、ブラシレスモータの駆動に
寄与しないフレキ接続用ランド（以後フレキ固定用ステ
パターンと呼ぶ）が配置してある。In FIG. 3, reference numeral 1 is a printed wiring board, A
As shown in the detailed plan view of the part, a plurality of current conducting areas (hereinafter referred to as flexible connection lands) for connecting printed wiring lead wires with a plurality of conductor widths for brushless motor drive and spaces between conductors being almost the same are arranged. Yes, flexible connection lands of the same size as the flexible connection lands at both ends in the conductor width direction of the flexible connection lands for improving the flexibility of the flexible connection and not contributing to the drive of the brushless motor (hereinafter referred to as a flexible fixation step pattern). Has been placed.

【０００５】２は折り曲げ自由なプリント配線リード線
（以後フレキと呼ぶ）で、Ａ部詳細平面図のようにブラ
シレスモータ駆動用の複数の導体幅と導体間空隙がほぼ
同じプリント配線板と接続するための複数の電流導通領
域（以後フレキランドと呼ぶ）が配置してあり、前記フ
レキランドの導体幅方向両端にフレキランドと同じ大き
さのフレキ固定強度向上用のブラシレスモータの駆動に
寄与しないフレキランド（以後フレキステパターンと呼
ぶ）が配置してあり、１のプリント配線板のフレキ接続
ランドに接続されている。Reference numeral 2 is a flexible printed wiring lead wire (hereinafter referred to as "flexible"), which is connected to a printed wiring board having a plurality of conductor widths for driving a brushless motor and inter-conductor gaps which are substantially the same as shown in the detailed plan view of the portion A. A plurality of current conducting regions (hereinafter referred to as "flexible lands") are arranged at both ends of the flexible lands in the conductor width direction and do not contribute to the driving of a brushless motor having the same size as the flexible lands for improving the fixed strength of the flexible lands. Lands (hereinafter referred to as flexist pattern) are arranged and connected to the flex connection lands of one printed wiring board.

【０００６】３は巻線で１のプリント配線板の上に配接
されている。４はハウジングで５の含油軸受けと６のス
ラスト受けを保持し、１のプリント配線板に固定されて
いる（以後、１，２，３，４，５，６の構造体をステー
タ組立と呼ぶ）。Reference numeral 3 is a winding wire, which is arranged on the printed wiring board 1. Reference numeral 4 denotes a housing which holds the oil-impregnated bearing 5 and the thrust receiver 6 and is fixed to the printed wiring board 1 (hereinafter, the structure of 1, 2, 3, 4, 5, 6 is referred to as a stator assembly). .

【０００７】７はロータフレームで８の駆動マグネット
を保持し、９の回転軸に固定されており、８の駆動マグ
ネットは前記ステータ組立と軸方向に一定の空隙をおい
て対向している。A rotor frame 7 holds a drive magnet 8 and is fixed to a rotating shaft 9. The drive magnet 8 faces the stator assembly with a certain gap in the axial direction.

【０００８】[0008]

【発明が解決しようとする課題】しかしながら上記従来
の構成では、プリント配線板にフレキ固定用ステパター
ンを配置し、フレキにフレキステパターンを配置するこ
とによりプリント配線板とフレキの固定強度を向上させ
ているためフレキの小型化ができず、低価格化が困難と
いう問題を有していた。However, in the above-mentioned conventional configuration, the flexible wiring pattern is arranged on the printed wiring board, and the flexible wiring pattern is arranged on the flexible wiring to improve the fixing strength between the printed wiring board and the flexible wiring board. Therefore, there is a problem that it is difficult to reduce the size of the flexible cable and it is difficult to reduce the price.

【０００９】また、プリント配線板の導体幅と導体間空
隙がほぼ同じフレキ接続用ランドとフレキの複数の導体
幅と導体間空隙がほぼ同じフレキランドを接続する必要
があるため、双方の導体幅方向の取付け位置精度が必要
で作業性が悪く生産性が悪く低価格化が困難という問題
を有していた。Further, since it is necessary to connect the flexible connection land having the same conductor width and the inter-conductor space of the printed wiring board to the flexible land having the plurality of conductor widths of the flex and the flex land having the substantially same inter-conductor space, both conductor widths. However, there is a problem in that the workability is poor, the productivity is poor, and it is difficult to reduce the cost because the mounting position accuracy in the direction is required.

【００１０】本発明は上記従来の問題点を解決するもの
で、プリント配線板とフレキの導体幅方向の取付け精度
を緩和し、かつ生産性の高い接続をしたブラシレスモー
タを提供することを目的とする。The present invention solves the above-mentioned conventional problems, and an object of the present invention is to provide a brushless motor in which the mounting accuracy of the printed wiring board and the flex in the conductor width direction is relaxed and the connection is made with high productivity. To do.

【００１１】本発明は上記従来の問題点を解決するもの
で、プリント配線板にフレキ固定用ステパターン、フレ
キにフレキステパターンを配置しなくてもフレキの固定
強度の高いブラシレスモータを提供することを目的とす
る。The present invention solves the above-mentioned conventional problems, and provides a brushless motor having a high flex fixing strength without disposing a flex fixing stick pattern on a printed wiring board and a flex stick pattern on the flex. With the goal.

【００１２】[0012]

【課題を解決するための手段】この目的を達成するため
に本発明のブラシレスモータは、フレキ接続用ランドの
導体幅より導体間空隙の広いプリント配線板とフレキラ
ンドの導体幅より導体間空隙の狭いフレキで、前記両者
の導体幅比が１：２以上のものを接続する構成を有して
いる。In order to achieve this object, a brushless motor of the present invention has a printed wiring board having a conductor gap larger than the conductor width of the flexible connection land and a conductor gap larger than the conductor width of the flexible land. It has a structure in which the conductors having a narrow flexibility and a conductor width ratio of the both are 1: 2 or more are connected.

【００１３】この目的を達成するために本発明のブラシ
レスモータは、フレキ接続用ランドの導体幅方向両端の
導体幅を他の導体幅より広く設けたプリント配線板とフ
レキランドの導体幅方向両端の導体幅を他の導体幅より
広く設けたフレキを接続する構成を有している。To achieve this object, the brushless motor of the present invention has a printed wiring board in which the conductor widths of both ends of the flexible connection land in the conductor width direction are wider than those of the other conductor width, and the flexible land of both ends in the conductor width direction. It has a configuration in which a flexible wire whose conductor width is wider than other conductor widths is connected.

【００１４】[0014]

【作用】この構成によって、フレキのフレキランドの幅
がプリント配線板のフレキ接続ランドの幅より大きいた
め、前記両者のランド幅の差分、導体幅方向の取付け精
度を緩和することができる。With this structure, since the width of the flexible land of the flexible wiring is larger than the width of the flexible connecting land of the printed wiring board, the difference in land width between the two and the mounting accuracy in the conductor width direction can be relaxed.

【００１５】この構成によって、導体幅方向両端のラン
ド部での接続面積を多く取れるため固定力を向上するこ
とができ、導体幅方向からの引き剥し強度を向上するこ
とができる。With this structure, a large connecting area can be secured at the land portions at both ends in the conductor width direction, so that the fixing force can be improved and the peeling strength in the conductor width direction can be improved.

【００１６】[0016]

【実施例】以下本発明の一実施例について、図面を参照
しながら説明する。An embodiment of the present invention will be described below with reference to the drawings.

【００１７】図１において、１はプリント配線板でＡ部
詳細平面図のように、ブラシレスモータ駆動用の複数の
導体幅より導体間空隙が広いフレキ接続用ランドが配置
してある。In FIG. 1, reference numeral 1 denotes a printed wiring board having flexible connection lands having a larger inter-conductor gap than a plurality of conductor widths for driving a brushless motor, as shown in a detailed plan view of a portion A.

【００１８】２はフレキでＡ部詳細平面図のように、ブ
ラシレスモータ駆動用の複数の導体幅より導体間空隙が
狭いフレキランドが配置してあり、１のプリント配線板
のフレキ接続ランドに接続されている。Numeral 2 is a flexure, and as shown in the detailed plan view of the portion A, flexible lands having conductor gaps narrower than a plurality of conductor widths for driving a brushless motor are arranged and connected to the flexible connection lands of the printed wiring board of 1. Has been done.

【００１９】１のプリント配線板のフレキ接続用ランド
と２のフレキのフレキランドの導体幅比は１：２以上で
ある。The conductor width ratio of the flexible connection land of the printed wiring board 1 and the flexible land of the flexible wiring 2 is 1: 2 or more.

【００２０】３は巻線で１のプリント配線板上に配接さ
れている。４はハウジングで５の含油軸受けと６のスラ
スト受けを保持し、１のプリント配線板に固定されてい
る。Reference numeral 3 is a winding wire which is arranged on the printed wiring board 1. A housing 4 holds the oil-impregnated bearing 5 and the thrust receiver 6 and is fixed to the printed wiring board 1.

【００２１】７はロータフレームで８の駆動マグネット
を保持し、９の回転軸に固定されており、８の駆動マグ
ネットはステータ組立と軸方向に一定の空隙をおいて対
向している。A rotor frame 7 holds a drive magnet 8 and is fixed to a rotating shaft 9. The drive magnet 8 faces the stator assembly with a certain gap in the axial direction.

【００２２】以下本発明の他の実施例について、図面を
参照しながら説明する。図２において、１はプリント配
線板でＡ部詳細平面図のように、複数のフレキ接続用ラ
ンドを有し、導体幅方向の両端のフレキ接続用ランドの
導体幅を他の導体幅より広く設けてある。Another embodiment of the present invention will be described below with reference to the drawings. In FIG. 2, reference numeral 1 denotes a printed wiring board, which has a plurality of flexible connection lands as shown in the detailed plan view of the portion A, and the flexible connection lands at both ends in the conductor width direction are provided with a conductor width wider than other conductor widths. There is.

【００２３】２はフレキでＡ部詳細平面図のように複数
のフレキランドを有し、導体幅方向の両端のフレキラン
ドの導体幅を他の導体幅より広く設けてあり、１のプリ
ント配線板のフレキ接続ランドに接続されている。Reference numeral 2 denotes a flexible printed wiring board having a plurality of flexible lands as shown in the detailed plan view of the portion A, the flexible lands of the flexible lands at both ends in the conductor width direction being wider than the other conductive lands. It is connected to the flexible connection land.

【００２４】３は巻線で１のプリント配線板上に配接さ
れている。４はハウジングで５の含油軸受けと６のスラ
スト受けを保持し、１のプリント配線板に固定されてい
る。Reference numeral 3 is a winding wire which is arranged on the printed wiring board 1. A housing 4 holds the oil-impregnated bearing 5 and the thrust receiver 6 and is fixed to the printed wiring board 1.

【００２５】７はロータフレームで８の駆動マグネット
を保持し、９の回転軸に固定されており、８の駆動マグ
ネットはステータ組立と軸方向に一定の空隙をおいて対
向している。A rotor frame 7 holds a drive magnet 8 and is fixed to a rotating shaft 9. The drive magnet 8 faces the stator assembly with a certain gap in the axial direction.

【００２６】[0026]

【発明の効果】以上のように本発明は、プリント配線板
に複数の導体幅より導体間空隙が広いフレキ接続用ラン
ドが配置し、フレキに導体幅より導体間空隙が狭いフレ
キランドが配置し接続することにより、プリント配線板
とフレキの導体幅方向の取付け精度を緩和し、かつ信頼
性の高い低価格のブラシレスモータを実現できるもので
ある。As described above, according to the present invention, a flexible connection land having a conductor gap larger than a plurality of conductor widths is arranged on a printed wiring board, and a flexible land having a conductor gap narrower than the conductor width is arranged on the flex. By connecting, it is possible to reduce the mounting accuracy of the printed wiring board and the flexible conductor in the conductor width direction, and to realize a highly reliable low-cost brushless motor.

【００２７】以上のように本発明は、プリント配線板に
導体幅方向両端のフレキ接続用ランドの導体幅を他の導
体幅より広く設け、フレキに導体幅方向両端のフレキラ
ンドの導体幅を他の導体幅より広く設け接続することに
よりフレキの小型化を可能にし、低価格のブラシレスモ
ータを実現できるものである。As described above, according to the present invention, the printed wiring board is provided with the conductor width of the flexible connection lands at both ends in the conductor width direction wider than the other conductor widths, and the conductors of the flexible lands at both ends in the conductor width direction are included in the flex. It is possible to reduce the size of the flexible cable by providing a connection wider than the conductor width and to realize a low-cost brushless motor.

【図面の簡単な説明】[Brief description of drawings]

【図１】（ａ）本発明の一実施例におけるブラシレスモ
ータの一部断面図 （ｂ）同図（ａ）におけるＡ部詳細図FIG. 1A is a partial cross-sectional view of a brushless motor according to an embodiment of the present invention. FIG. 1B is a detailed view of part A in FIG. 1A.

【図２】（ａ）本発明の一実施例におけるブラシレスモ
ータの一部断面図 （ｂ）同図（ａ）におけるＡ部詳細図2A is a partial cross-sectional view of a brushless motor according to an embodiment of the present invention, FIG. 2B is a detailed view of an A portion in FIG.

【図３】（ａ）従来のブラシレスモータの一部断面図 （ｂ）同図（ａ）におけるＡ部詳細図FIG. 3A is a partial cross-sectional view of a conventional brushless motor. FIG. 3B is a detailed view of part A in FIG. 3A.

【符号の説明】[Explanation of symbols]

１ プリント配線板 ２ フレキ ３ 巻線 ４ ハウジング ５ 軸受け ６ スラスト受け ７ ロータフレーム ８ 駆動マグネット ９ 回転軸 1 Printed wiring board 2 Flexible 3 Winding 4 Housing 5 Bearing 6 Thrust receiver 7 Rotor frame 8 Drive magnet 9 Rotating shaft

Claims (3)

【特許請求の範囲】[Claims] 【請求項１】 プリント配線板と接続するための複数の
電流導通領域を有する折り曲げ自由なプリント配線リー
ド線と、前記プリント配線リード線を接続するための複
数の電流導通領域を有するプリント配線板と、複数の巻
線と軸受けを保持するハウジングからなる固定子と軸方
向に一定の空隙をおいて対向して回転軸に固定された円
環状の駆動マグネットと、前記駆動マグネットの保持す
るロータフレームからなる回転子を有し、前記プリント
配線リード線を接続するための複数の電流導通領域の導
体幅より導体間空隙の広いプリント配線板と、前記プリ
ント配線板と接続する複数の電流導通領域の導体幅より
導体間空隙の狭い前記プリント配線リード線の配接で両
者の導体幅比が１：２以上であることを特徴とするブラ
シレスモータ。1. A freely bendable printed wiring lead wire having a plurality of current conducting areas for connecting to the printed wiring board, and a printed wiring board having a plurality of current conducting areas for connecting the printed wiring lead wires. A stator having a housing for holding a plurality of windings and a bearing, an annular drive magnet fixed to the rotating shaft so as to face the rotor with a constant gap in the axial direction, and a rotor frame held by the drive magnet. A printed wiring board having a rotor having a width greater than the conductor width of a plurality of current conducting areas for connecting the printed wiring lead wires, and a conductor of a plurality of current conducting areas connected to the printed wiring board. A brushless motor characterized in that the conductor width ratio of the printed wiring lead wires having a narrower inter-conductor space than the width is 1: 2 or more. 【請求項２】 ブラシレスモータのプリント配線リード
線を接続するための複数の電流導通領域の導体幅方向両
端の導体幅を他の導体幅より広く設けたプリント配線板
と、複数の電流導通領域導体幅方向の両端の導体幅を他
の導体幅より広く設けたプリント配線リード線を配接す
ることを特徴とする請求項１記載のブラシレスモータ。2. A printed wiring board having conductor widths at both ends in a conductor width direction of a plurality of current conducting regions for connecting printed wiring lead wires of a brushless motor, and a plurality of current conducting region conductors. 2. The brushless motor according to claim 1, wherein printed wiring lead wires having conductor widths at both ends in the width direction wider than other conductor widths are arranged. 【請求項３】 プリント配線リード線を接続する複数の
電流導通領域は導体幅より導体間空隙が広くなくてもよ
いか、または複数の電流導通領域は導体幅より導体間空
隙が狭くなくてもよい請求項１記載のブラシレスモー
タ。3. The plurality of current conducting regions connecting the printed wiring lead wires may not have a gap between conductors wider than the conductor width, or the plurality of current conducting regions may have a gap between conductors smaller than the conductor width. The brushless motor according to claim 1, which is good.
JP19528994A 1994-08-19 1994-08-19 Brushless motor Pending JPH0865982A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19528994A JPH0865982A (en) 1994-08-19 1994-08-19 Brushless motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19528994A JPH0865982A (en) 1994-08-19 1994-08-19 Brushless motor

Publications (1)

Publication Number Publication Date
JPH0865982A true JPH0865982A (en) 1996-03-08

Family

ID=16338680

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19528994A Pending JPH0865982A (en) 1994-08-19 1994-08-19 Brushless motor

Country Status (1)

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JP (1) JPH0865982A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7755785B2 (en) 1996-05-14 2010-07-13 Ricoh Company, Ltd. Image forming apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7755785B2 (en) 1996-05-14 2010-07-13 Ricoh Company, Ltd. Image forming apparatus
US7952744B2 (en) 1996-05-14 2011-05-31 Ricoh Company, Ltd. Controlling a configuration of an image forming apparatus
US8102556B2 (en) 1996-05-14 2012-01-24 Ricoh Company, Ltd. Controlling a configuration of an image forming apparatus using a Java application

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