JP2003145044A - Vibrating body driven in axial direction - Google Patents
Vibrating body driven in axial directionInfo
- Publication number
- JP2003145044A JP2003145044A JP2001341285A JP2001341285A JP2003145044A JP 2003145044 A JP2003145044 A JP 2003145044A JP 2001341285 A JP2001341285 A JP 2001341285A JP 2001341285 A JP2001341285 A JP 2001341285A JP 2003145044 A JP2003145044 A JP 2003145044A
- Authority
- JP
- Japan
- Prior art keywords
- vibrating body
- axial direction
- driven
- cup
- frame
- 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.)
- Granted
Links
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、着信を無音で携帯
者に感知させる携帯機器等に用いられる振動体の構成に
関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a vibrating body used in a portable device or the like for allowing a wearer to sense an incoming call silently.
【従来の技術】従来から公共の場所、病院、電車・バス
等の乗り物では、携帯機器の使用は制限されている場合
が多い。特に、携帯機器の使用が許されている場合で
も、所謂マナーモード（無音・体感振動）で着信を携帯
者に感知させる方法が行われている。携帯機器には、最
近の日進月歩の技術革新を反映して種々の商品が普及し
てきており、例えば携帯電話、ＰＤＡ、ウエアラブル
（身につける）コンピューティング機器等がある。これ
らには、無音で体感振動を感知させる振動モータやそれ
に近い機能を有するマルチファンクションデバイス（ス
ピーカと振動体機能を併せ持つ）等が用いられている。
以下では、従来の振動モータの代表例と思われるものに
ついて説明する。2. Description of the Related Art Conventionally, the use of portable devices is often restricted in vehicles such as public places, hospitals, and trains / buses. In particular, even when the use of a mobile device is permitted, a method is used in which the wearer senses an incoming call in a so-called manner mode (silence / feeling vibration). Various products have become popular as mobile devices reflecting recent technological advances, such as mobile phones, PDAs, and wearable computing devices. For these, a vibration motor that silently senses the body vibration and a multi-function device (having both a speaker function and a vibrating body function) having a function similar to that are used.
What is considered to be a typical example of the conventional vibration motor will be described below.
【０００２】従来例としては、公開実用平成３−８３６
８１号（以下では文献Ａと称す）、特開平７−１０７６
９９号（文献Ｂ）、特公平８−１０９７２号（文献Ｃ）
を挙げて説明する。文献Ａは、ブラシとコンミテータを
有する軸長型の直流モータを用いたものであり、振動モ
ータの回転軸に装着する断面が扇型形状の偏心錘に関す
るものである。偏心錘として高比重ではあるものの加工
が困難なタングステンのバルク材を用いずに、タングス
テンや鉛を含む金属の粉末焼結合金によって形成して回
転軸への偏心錘の嵌着を容易にして振動出力を大きくし
ようとするものである。[0002] As a conventional example, the published practical application Heisei 3-836
No. 81 (hereinafter referred to as Document A), JP-A-7-1076.
No. 99 (reference B), Japanese Patent Publication No. 8-10972 (reference C)
Will be explained. Document A uses an axial length type DC motor having a brush and a commutator, and relates to an eccentric weight having a fan-shaped cross section attached to a rotary shaft of a vibration motor. The eccentric weight has a high specific gravity but is difficult to process, and is made of a powdered sintered alloy of a metal containing tungsten and lead instead of a bulk material that is difficult to process. It is intended to increase the output.
【０００３】文献Ｂは、図５に概要を示すようにブラシ
とコンミテータを有する軸長型の直流モータを用いた振
動モータであり、偏心錘の構成と回転軸への固定方法の
開示に関するものである。図５において、直流モータ１
３１の軸受け１３３に支持された回転軸１３６には回転
軸１３６の外径より小さい溝１３５が設けられ、高比重
材で形成されたタングステン等の粉末焼結合金からなる
偏心錘１３４をカシメ部１４０で回転軸１３６の溝１３
５にカシメる。そのため、偏心錘１３４の軸方向の両端
部が盛りあがらずに偏心錘１３４は確実に回転軸１３６
に固定されるので小型にも拘わらず出力を大きくするこ
とができるとしている。また、多孔質な偏心錘１３４に
はオイルが含浸されておりメッキによる表面処理なしで
防錆効果があると記載されている。Document B is a vibration motor using an axial length type DC motor having a brush and a commutator as outlined in FIG. 5, and relates to the disclosure of the structure of the eccentric weight and the method of fixing it to the rotating shaft. is there. In FIG. 5, the DC motor 1
The rotary shaft 136 supported by the bearing 133 of 31 is provided with a groove 135 smaller than the outer diameter of the rotary shaft 136, and the eccentric weight 134 made of a powder sintered alloy such as tungsten formed of a high specific gravity material is attached to the caulking portion 140. In the groove 13 of the rotary shaft 136
Crimp to 5. Therefore, the both ends of the eccentric weight 134 in the axial direction do not rise, and the eccentric weight 134 is reliably rotated.
Since it is fixed to, the output can be increased despite its small size. Further, it is described that the porous eccentric weight 134 is impregnated with oil and has an antirust effect without surface treatment by plating.
【０００４】文献Ｃは、ブラシとコンミテータを有する
偏平型の直流モータに関するもので、少なくとも３個の
開き角が６０〜８０°のコイルを重複しないように扇形
に配設して回転子の構成で偏心錘を形成する。Document C relates to a flat type DC motor having a brush and a commutator, and has a rotor configuration in which at least three coils having an opening angle of 60 to 80 are arranged in a fan shape so as not to overlap each other. Form an eccentric weight.
【０００５】[0005]
【発明が解決しようとする課題】文献Ａ、Ｂ、Ｃは直流
モータの回転を前提としたものであり長軸型、扁平型の
相違はあるものの、以下のような難点があった。（１）
ブラシとコンミテータを用いるのでコストもかかりまた
整流の際のマイクロアークによる損傷で寿命と品質の維
持に問題がある。（２）７０００〜８０００ｒｐｍまで
の立ち上がりに時間がかかり音楽に合わせた振動を発生
させる機器には向いていない。本発明の目的は、前述の
欠点を除去して、簡単な構成で多様化する携帯機器の機
能を豊富にする小型で高性能な軸方向駆動の振動体を提
案するものである。Documents A, B, and C are premised on the rotation of a DC motor, and although there are differences between the long axis type and the flat type, they have the following problems. (1)
Since a brush and a commutator are used, it is costly and there is a problem in maintenance of life and quality due to damage caused by micro-arc during rectification. (2) It is not suitable for a device that takes a long time to rise up to 7,000 to 8,000 rpm and generates vibration in accordance with music. An object of the present invention is to eliminate the above-mentioned drawbacks and to propose a small-sized and high-performance axially driven vibrating body which has a variety of functions of a portable device with a simple configuration.
【０００６】[0006]
【課題を解決するための手段】課題を解決するためにな
された本発明の振動体の請求項１は、円筒状のフレーム
の一側端に円筒状の駆動コイルを固定し、該駆動コイル
と空隙を介して磁気的に係合する磁性材料からなるカッ
プ状ヨークと円柱状永久磁石とで形成された駆動子を前
記フレームの両側端に設けた一対のコイルばねによって
前記駆動子が軸方向に振動するように配設したことを特
徴とするものである。A vibrating body according to the present invention, which has been made to solve the above-mentioned problems, has a cylindrical driving coil fixed to one end of a cylindrical frame, A driver element formed of a cup-shaped yoke made of a magnetic material and a cylindrical permanent magnet that magnetically engages each other via a gap is provided with a pair of coil springs provided at both ends of the frame to move the driver element in the axial direction. It is characterized in that it is arranged so as to vibrate.
【０００７】課題を解決するためになされた本発明の振
動体の請求項２のフレームは、磁性材料からなるカップ
状のヨークと該カップ状ヨークの中心部に軸方向に着磁
された円柱状の永久磁石が片持ち状に固定された前記駆
動子の外周面と機械的にしゅう動するように軸方向に直
角に複数列、軸方向に平行に複数列のガイド凸部を内周
面に配設したことを特徴とするものである。The frame of claim 2 of the vibrating body of the present invention made to solve the problem is a cup-shaped yoke made of a magnetic material, and a cylindrical column magnetized in the axial direction at the center of the cup-shaped yoke. Of the permanent magnet is fixed in a cantilever manner to the outer peripheral surface of the driver mechanically slides in a plurality of rows at a right angle to the axial direction and in a plurality of rows parallel to the axial direction on the inner peripheral surface. It is characterized by being arranged.
【０００８】課題を解決するためになされた本発明の振
動体の請求項３の駆動子は、前記カップ状ヨークの内外
周底面に錘を配設したことを特徴とするものである。According to a third aspect of the present invention, there is provided a vibrating body according to the present invention for solving the problems. The driving element is characterized in that a weight is arranged on the inner and outer peripheral bottom surfaces of the cup-shaped yoke.
【０００９】課題を解決するためになされた本発明の振
動体の請求項４の駆動子は、前記永久磁石の先端部に磁
性材料からなる円柱状のポールピースを形成したことを
特徴とするものである。According to a fourth aspect of the present invention, there is provided a vibrating body according to the present invention, which is characterized in that a cylindrical pole piece made of a magnetic material is formed at a tip portion of the permanent magnet. Is.
【００１０】課題を解決するためになされた本発明の振
動体の請求項５の駆動子は、前記カップ状ヨークの外周
部に軸方向と平行に複数列のガイド溝を設け前記フレー
ムのガイド凸部と機械的に係合するように構成したこと
を特徴とするものである。According to a fifth aspect of the present invention, there is provided a vibrating body according to the present invention, which is provided with a plurality of rows of guide grooves parallel to the axial direction on the outer peripheral portion of the cup-shaped yoke. It is characterized in that it is configured to mechanically engage with the section.
【００１１】課題を解決するためになされた本発明の振
動体の請求項６の駆動コイルは、円筒状の絶縁処理した
金属材料の上に巻回したことを特徴とするものである。The drive coil according to claim 6 of the vibrating body of the present invention made to solve the problems is characterized in that it is wound on a cylindrical insulating metal material.
【００１２】課題を解決するためになされた本発明の振
動体の請求項７の駆動は、ブリッジ回路で駆動すること
を特徴とするものである。According to a seventh aspect of the present invention, there is provided a vibrating body according to a seventh aspect of the present invention, which is driven by a bridge circuit.
【００１３】課題を解決するためになされた本発明の振
動体の請求項８の駆動は、正弦波または方形波の入力で
駆動されることを特徴とするものである。The drive of claim 8 of the vibrating body of the present invention made to solve the problems is characterized in that it is driven by the input of a sine wave or a square wave.
【００１４】[0014]
【発明の実施の形態】以下では、本発明の軸方向駆動の
振動体の実施の形態を図面に基づいて説明する。図１は
本発明の軸方向駆動の振動体（以下では振動体と略称）
の構成半断面図である。図２は図１のＸＸ線断面図であ
る。図３は本発明である他の実施例の断面図である。図
４は本発明である他の実施例の駆動子の構成説明図であ
る。図１、図２において本発明の振動体１０は、合成樹
脂からなる円筒状のフレーム１１と駆動コイル１２と駆
動子２０とで構成される。フレーム１１の軸方向の一側
端には、金属材料例えば熱伝道性のよいアルミニュウム
を陽極処理して表面を電気絶縁処理した円筒状のコイル
ボビン１３にマグネットワイヤを巻回して形成され、端
子３５，３６を有する駆動コイル１２を片持ち状に固定
する。駆動子２０は、磁性材料からなるカップ状ヨーク
２１の中心部には軸方向に単磁極に着磁された円柱状の
永久磁石２２を片持ち状に固定し、カップ状ヨーク２１
の内外周底面には質量の大きい例えばタングステン粉末
を樹脂成型して形成された錘２３が接着剤等で固着され
る。駆動子２０が軸方向にスムーズに駆動できるように
フレーム１１の内周面には軸方向に直角に複数列（実施
例では２列）のガイド凸部（１４ａ，１４ｂ，１４
ｃ）、（１５ａ，１５ｂ，１５ｃ）が配設されている。
そして、軸方向と平行にガイド凸部（１４ａ，１５
ａ）、（１４ｂ，１５ｂ）、（１４ｃ,１５ｃ）が同列
に形成されている。また、駆動コイル１２と駆動子２０
は、軸方向に平行な円周状の空隙２６，２７を介して磁
気的に係合する。更に、駆動子２０はフレーム１１の両
側端に設けたコイルばね２４，２５によって支持され
る。駆動子２０の1次共振周波数は駆動子２０の質量と
コイルばね２４，２５のスティッフネスで決まり、携帯
者への体感性がよいとされる１００〜１６０Ｈｚに設定
される。駆動子２０は、一対のコイルばね２４，２５に
よって平衡点で通常は停止している。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of an axially driven vibrator according to the present invention will be described below with reference to the drawings. FIG. 1 shows an axially driven vibrating body of the present invention (hereinafter, abbreviated as vibrating body).
It is a structure half cross-sectional view of. FIG. 2 is a sectional view taken along line XX of FIG. FIG. 3 is a sectional view of another embodiment of the present invention. FIG. 4 is an explanatory diagram of the configuration of a driver according to another embodiment of the present invention. 1 and 2, the vibrating body 10 of the present invention is composed of a cylindrical frame 11 made of synthetic resin, a drive coil 12, and a driver element 20. At one end of the frame 11 in the axial direction, a magnet wire is wound around a cylindrical coil bobbin 13 whose surface is electrically insulated by anodizing a metal material such as aluminum having good heat conductivity. The drive coil 12 with 36 is cantilevered. The driver 20 has a cup-shaped yoke 21 made of a magnetic material, and a column-shaped permanent magnet 22 magnetized in a single magnetic pole in the axial direction is fixed in a cantilever manner at the center of the cup-shaped yoke 21.
A weight 23 having a large mass, for example, formed by resin molding of tungsten powder is fixed to the inner and outer peripheral bottom surfaces with an adhesive or the like. In order to smoothly drive the driver 20 in the axial direction, a plurality of rows (two rows in the embodiment) of guide projections (14a, 14b, 14) are formed on the inner peripheral surface of the frame 11 at right angles to the axial direction.
c) and (15a, 15b, 15c) are provided.
Then, the guide protrusions (14a, 15
a), (14b, 15b) and (14c, 15c) are formed in the same row. In addition, the drive coil 12 and the driver 20
Engage magnetically via circumferential gaps 26, 27 parallel to the axial direction. Further, the driver 20 is supported by coil springs 24 and 25 provided at both ends of the frame 11. The primary resonance frequency of the driver element 20 is determined by the mass of the driver element 20 and the stiffness of the coil springs 24 and 25, and is set to 100 to 160 Hz which is considered to be highly sensible to the wearer. The driver element 20 is normally stopped at the equilibrium point by a pair of coil springs 24 and 25.
【００１５】図３において、駆動子３０には軸方向と平
行にガイド溝３１ａ，３１ｂ，３１ｃが設けられ、フレ
ーム４０のガイド凸部４１ａ，４１ｂ，４１ｃが夫々ガ
イド溝３１ａ，３１ｂ，３１ｃに対応して機械的にしゅ
う動係合する。この結果、駆動子３０が軸方向に往復振
動する際にピッチング、ローリング及びヨーイングが生
じることもなく効率の良い軸方向の往復振動を発生す
る。また、錘２３が搭載されている場合は、振動加震力
を更に大きくすることができる。In FIG. 3, the driver element 30 is provided with guide grooves 31a, 31b, 31c parallel to the axial direction, and the guide protrusions 41a, 41b, 41c of the frame 40 correspond to the guide grooves 31a, 31b, 31c, respectively. And mechanically slidingly engage. As a result, when the driver element 30 reciprocally vibrates in the axial direction, efficient reciprocal vibration in the axial direction is generated without causing pitching, rolling and yawing. Further, when the weight 23 is mounted, the vibration vibration force can be further increased.
【００１６】図４において、円柱状永久磁石２２の駆動
コイル１２と磁気的に係合する先端部に磁性材料からな
る円柱状のポールピース２８を配設する実施例が示され
ている。本発明の実施例によればポールピース２８から
の磁束分布が駆動コイル１２の直径方向に広がるので駆
動コイル１２の磁束鎖交数を大幅に増加させることがで
きて振動エネルギーへの変換効率を向上させることがで
きる。FIG. 4 shows an embodiment in which a cylindrical pole piece 28 made of a magnetic material is arranged at the tip end of the cylindrical permanent magnet 22 that magnetically engages with the drive coil 12. According to the embodiment of the present invention, the magnetic flux distribution from the pole piece 28 spreads in the diameter direction of the drive coil 12, so that the number of magnetic flux linkages of the drive coil 12 can be greatly increased and the conversion efficiency into vibration energy is improved. Can be made.
【００１７】今までの本発明の振動体の説明では、フレ
ーム１１、駆動コイル１２、駆動子２０，３０等の軸方
向の断面形状を製造が容易な円筒状としているが、これ
に限定される必要はなく、楕円形状、方形状等携帯機器
への取り付け配置等を考慮して軸方向への駆動子２０，
３０の運動を妨げないのであれば任意の形状でよい。In the above description of the vibrating body of the present invention, the axial cross-sectional shape of the frame 11, the drive coil 12, the driver elements 20, 30 and the like is a cylindrical shape that is easy to manufacture, but the invention is not limited to this. It is not necessary to take the driver element 20 in the axial direction into consideration in consideration of the mounting arrangement to a portable device such as an elliptical shape or a rectangular shape.
Any shape may be used as long as it does not hinder the movement of 30.
【００１８】駆動子２０，３０の駆動は、駆動コイル１
２の端子３５，３６間に駆動子２０，３０の1次共振周
波数とほぼ同一の基本周波数を有する正弦波または方形
波等の交流信号でブリッジ回路等によって付勢されて駆
動される。無論、正弦波または方形波によるユニポーラ
駆動でも駆動することができる。The drive elements 20 and 30 are driven by the drive coil 1
It is energized and driven by an AC signal such as a sine wave or a square wave having a fundamental frequency substantially the same as the primary resonance frequency of the driver elements 20 and 30 between the two terminals 35 and 36 by a bridge circuit or the like. Of course, unipolar drive with a sine wave or a square wave can also be used.
【００１９】駆動子２０，３０にはコイルばね２４，２
５が一対用いられているが、コイルばねは1個でもよ
い。この場合は、駆動子２０，３０は1方向に押し付け
られるように設定され、駆動はコイルばねの静的な力に
打ち勝つように駆動される。この方法によれば、携帯機
器の振動、衝撃等によって駆動子２０，３０が1方向に
保持されているので振動体が保護される。Coil springs 24, 2 are provided on the driver elements 20, 30.
Although a pair of 5 is used, the number of coil springs may be one. In this case, the driver elements 20 and 30 are set to be pressed in one direction, and the drive is driven to overcome the static force of the coil spring. According to this method, the vibrating body is protected because the driver elements 20 and 30 are held in one direction by the vibration or shock of the portable device.
【００２０】また、本発明の実施例の駆動子２０，３０
の構成をカップ状ヨーク２１と円柱状永久磁石２２とで
説明したが、これを相互に置き換えてラジアル方向に単
磁極に着磁されたカップ状永久磁石と円柱状ヨークとし
ても差し支えないことは明らかである。Further, the driver elements 20, 30 of the embodiment of the present invention
Although the configuration has been described with the cup-shaped yoke 21 and the column-shaped permanent magnet 22, it is clear that the cup-shaped permanent magnet and the column-shaped yoke that are magnetized to a single magnetic pole in the radial direction may be replaced with each other. Is.
【００２１】更にまた、本発明の駆動方法はバイポーラ
のブリッジ回路またはユニポーラ回路のいずれでも適用
でき、そして駆動のための入力波形は正弦波または方形
波のいずれでもよく、コスト/パフォーマンスを考慮し
て選択される。Furthermore, the driving method of the present invention can be applied to either a bipolar bridge circuit or a unipolar circuit, and the input waveform for driving can be either a sine wave or a square wave, and in consideration of cost / performance. To be selected.
【００２２】[0022]
【発明の効果】本発明によれば、簡単な構成でコスト/
パフォーマンスがよく、無音で体感特性の優れた携帯機
器用の振動体が容易に実現できる。According to the present invention, the cost can be reduced by a simple structure.
A vibrating body for mobile devices with good performance, silence and excellent sensation characteristics can be easily realized.
【００２３】また、本発明によれば、直流モータを用い
ないので直流モータ特有のブラシ・コンミテータ間の長
寿命化や品質維持を課題としなくてよいので製造管理が
容易である。Further, according to the present invention, since the DC motor is not used, it is not necessary to extend the service life between brushes and commutators peculiar to the DC motor and to maintain the quality, so that the manufacturing control is easy.
【００２４】また、本発明によれば、駆動子の共振を用
いるので運動変換効率がよく小型で高性能な振動体を実
現することができる。Further, according to the present invention, since the resonance of the driver element is used, it is possible to realize a small-sized and high-performance vibrating body with good motion conversion efficiency.
【００２５】また、本発明によれば、通常の振動モータ
のように立ち上がりに時間がかかることが少なく、音楽
に合わせてリズムを奏することも可能であり、携帯機器
の機能を豊富にすることができる。Further, according to the present invention, unlike a normal vibration motor, it takes less time to rise, it is possible to play a rhythm in accordance with music, and the functions of the portable device can be enriched. it can.
【００２６】また、本発明によれば、駆動子の磁気回路
は円筒状ヨークと円柱状永久磁石との間でよく閉じてい
るので漏洩磁束が少なく本発明の震動体が搭載される機
器への電磁障害を大幅に改善することができる。Further, according to the present invention, since the magnetic circuit of the driver element is well closed between the cylindrical yoke and the cylindrical permanent magnet, the leakage magnetic flux is small and the vibration body of the present invention can be installed in equipment. Electromagnetic interference can be greatly improved.
【図１】本発明の軸方向駆動の振動体の構成半断面図で
ある。FIG. 1 is a half sectional view of the constitution of an axially driven vibrating body of the present invention.
【図２】図１のXX線断面図である。FIG. 2 is a sectional view taken along line XX of FIG.
【図３】本発明の他の実施例の断面図である。FIG. 3 is a sectional view of another embodiment of the present invention.
【図４】本発明の他の駆動子の構成説明図である。FIG. 4 is a structural explanatory view of another driver element of the present invention.
【図５】従来例のブラシとコンミテータを有する軸長型
の直流モータを用いた振動モータの構成図である。FIG. 5 is a configuration diagram of a vibration motor using a shaft length type DC motor having a brush and a commutator of a conventional example.
１０ 振動体
１１ フレーム
１２ 駆動コイル
１３ コイルボビン
１４ａ，１４ｂ，１４ｃ，１５ａ，１５ｂ，１５ｃ，４
１ａ，４１ｂ，４１ｃガイド凸部
２０，３０ 駆動子
２１ カップ状ヨーク
２２ 円柱状永久磁石
２３ 錘
２４ ２５ コイルばね
２６，２７ 空隙
２８ ポールピース
３１ａ，３１ｂ，３１ｃ ガイド溝
３５，３６ 端子10 vibrating body 11 frame 12 drive coil 13 coil bobbins 14a, 14b, 14c, 15a, 15b, 15c, 4
1a, 41b, 41c Guide convex part 20,30 Driver 21 Cup-shaped yoke 22 Cylindrical permanent magnet 23 Weight 24 25 Coil spring 26, 27 Air gap 28 Pole piece 31a, 31b, 31c Guide groove 35, 36 Terminal
───────────────────────────────────────────────────── フロントページの続き (72)発明者 相原 健志 山梨県富士吉田市上暮地１丁目23番１号 株式会社シチズン電子内 (72)発明者 二階堂 旦 東京都立川市栄町２丁目19番40号 Ｆターム(参考） 5D107 AA13 BB08 CC08 CC09 CC10 DD12 FF07 FF08 5H633 BB03 GG02 GG06 GG09 HH03 HH07 HH14 HH25 JA02 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Takeshi Aihara Yamanashi Prefecture Fujiyoshida City Kamigure 1-23-1 Citizen Electronics Co., Ltd. (72) Inventor Nikaido Dan 2-19-40 Sakaemachi, Tachikawa-shi, Tokyo F term (reference) 5D107 AA13 BB08 CC08 CC09 CC10 DD12 FF07 FF08 5H633 BB03 GG02 GG06 GG09 HH03 HH07 HH14 HH25 JA02
Claims (8)
動コイルを固定し、該駆動コイルと空隙を介して磁気的
に係合する磁性材料からなるカップ状ヨークと円柱状永
久磁石とで形成された駆動子を前記フレームの両側端に
設けた一対のコイルばねによって前記駆動子が軸方向に
振動するように配設したことを特徴とする軸方向駆動の
振動体。1. A cup-shaped yoke and a columnar permanent magnet made of a magnetic material, in which a cylindrical drive coil is fixed to one end of a cylindrical frame and magnetically engaged with the drive coil through a gap. An axially driven vibrating body, characterized in that the driver element formed in (1) is arranged by a pair of coil springs provided at both ends of the frame so that the driver element vibrates in the axial direction.
磁性材料からなるカップ状のヨークと該カップ状ヨーク
の中心部に軸方向に着磁された円柱状の永久磁石が片持
ち状に固定された前記駆動子の外周面と機械的にしゅう
動するように軸方向に直角に複数列、軸方向に平行に複
数列のガイド凸部を前記フレームの内周面に配設したこ
とを特徴とする請求項１に記載の軸方向駆動の振動体。2. The frame of the axially driven vibrating body,
A cup-shaped yoke made of a magnetic material and a columnar permanent magnet axially magnetized in the center of the cup-shaped yoke mechanically slides on the outer peripheral surface of the driver fixed in a cantilever manner. The axially driven vibrating body according to claim 1, wherein a plurality of rows of guide convex portions are arranged at right angles to the axial direction and a plurality of rows are arranged parallel to the axial direction on the inner peripheral surface of the frame.
記カップ状ヨークの内外周底面に錘を配設したことを特
徴とする請求項１または請求項２に記載の軸方向駆動の
振動体。3. The axially driven vibrator according to claim 1, wherein a weight of the driver of the axially driven vibrating body is provided on the inner and outer peripheral bottom surfaces of the cup-shaped yoke. Vibrating body.
子は、前記永久磁石の先端部に磁性材料からなる円柱状
のポールピースを形成したことを特徴とする請求項１乃
至請求項３に記載の軸方向駆動の振動体。4. The drive element constituting the axially driven vibrating body has a columnar pole piece made of a magnetic material formed at the tip of the permanent magnet. A vibrating body driven in the axial direction according to.
子は、前記カップ状ヨークの外周部に軸方向と平行に複
数列のガイド溝を設け前記フレームのガイド凸部と機械
的にしゅう動係合するように構成したことを特徴とする
請求項１乃至請求項４に記載の軸方向駆動の振動体。5. A driver element that constitutes the vibrator driven in the axial direction is provided with a plurality of rows of guide grooves in the outer peripheral portion of the cup-shaped yoke parallel to the axial direction and mechanically meshed with the guide convex portions of the frame. The axially driven vibrating body according to any one of claims 1 to 4, wherein the vibrating body is configured to be dynamically engaged.
は、円筒状の絶縁処理した金属材料の上に巻回したこと
を特徴とする請求項１乃至請求項５に記載の軸方向駆動
の振動体。6. The axial drive according to claim 1, wherein the drive coil of the axially driven vibrating body is wound around a cylindrical insulating metal material. Vibrating body.
ッジ回路で駆動することを特徴とする請求項１乃至請求
項６に記載の軸方向駆動の振動体。7. The axially driven vibrating body according to claim 1, wherein the axially driven vibrating body is driven by a bridge circuit.
波または方形波の入力で駆動されることを特徴とする請
求項１乃至請求項７に記載の軸方向駆動の振動体。8. The vibrating body driven in the axial direction according to claim 1, wherein the vibrating body driven in the axial direction is driven by an input of a sine wave or a square wave.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001341285A JP3835740B2 (en) | 2001-11-06 | 2001-11-06 | Axial driven vibrator |
| US10/282,232 US6700251B2 (en) | 2001-11-06 | 2002-10-29 | Vibrating device for axially vibrating a movable member |
| EP02024582A EP1309073A3 (en) | 2001-11-06 | 2002-11-04 | Vibrating device for axially vibrating a moveable member |
| CNB021499993A CN1327683C (en) | 2001-11-06 | 2002-11-06 | Axial vibration-movable part vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001341285A JP3835740B2 (en) | 2001-11-06 | 2001-11-06 | Axial driven vibrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003145044A true JP2003145044A (en) | 2003-05-20 |
| JP3835740B2 JP3835740B2 (en) | 2006-10-18 |
Family
ID=19155334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001341285A Expired - Fee Related JP3835740B2 (en) | 2001-11-06 | 2001-11-06 | Axial driven vibrator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3835740B2 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010021482A2 (en) * | 2008-08-18 | 2010-02-25 | Lee In Ho | Horizontal linear vibration device |
| CN101938207A (en) * | 2009-07-01 | 2011-01-05 | 三星电机株式会社 | Linear vibration motor |
| GB2471913A (en) * | 2009-07-17 | 2011-01-19 | Samsung Electro Mech | Axial linear vibrator |
| JP2012205497A (en) * | 2011-03-25 | 2012-10-22 | Tai-Her Yang | Power storage device that can generate power with vibrations |
| CN102980735A (en) * | 2012-11-15 | 2013-03-20 | 长春富维-江森自控汽车饰件***有限公司 | Impact testing device of protecting board of automobile seat |
| KR20140113857A (en) * | 2013-03-15 | 2014-09-25 | 삼성전기주식회사 | Vibrator and electronic apparatus having thereof |
| JP2015097984A (en) * | 2013-11-18 | 2015-05-28 | 日本電産コパル株式会社 | Vibration actuator |
| JP2017034965A (en) * | 2015-07-31 | 2017-02-09 | エーエーシー テクノロジーズ ピーティーイー リミテッドＡａｃ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｐｔｅ．Ｌｔｄ． | Multi-resonance linear motor |
| JP2017216776A (en) * | 2016-05-30 | 2017-12-07 | アルプス電気株式会社 | Power generator and electronic apparatus |
| JP2017216775A (en) * | 2016-05-30 | 2017-12-07 | アルプス電気株式会社 | Power generator and electronic apparatus |
-
2001
- 2001-11-06 JP JP2001341285A patent/JP3835740B2/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010021482A2 (en) * | 2008-08-18 | 2010-02-25 | Lee In Ho | Horizontal linear vibration device |
| WO2010021482A3 (en) * | 2008-08-18 | 2010-07-08 | Lee In Ho | Horizontal linear vibration device |
| CN101938207A (en) * | 2009-07-01 | 2011-01-05 | 三星电机株式会社 | Linear vibration motor |
| GB2471913A (en) * | 2009-07-17 | 2011-01-19 | Samsung Electro Mech | Axial linear vibrator |
| GB2471913B (en) * | 2009-07-17 | 2012-02-01 | Samsung Electro Mech | Horizontal linear vibrator |
| JP2012205497A (en) * | 2011-03-25 | 2012-10-22 | Tai-Her Yang | Power storage device that can generate power with vibrations |
| CN102980735A (en) * | 2012-11-15 | 2013-03-20 | 长春富维-江森自控汽车饰件***有限公司 | Impact testing device of protecting board of automobile seat |
| KR20140113857A (en) * | 2013-03-15 | 2014-09-25 | 삼성전기주식회사 | Vibrator and electronic apparatus having thereof |
| KR102030597B1 (en) | 2013-03-15 | 2019-11-08 | 주식회사 엠플러스 | Vibrator and electronic apparatus having thereof |
| JP2015097984A (en) * | 2013-11-18 | 2015-05-28 | 日本電産コパル株式会社 | Vibration actuator |
| JP2017034965A (en) * | 2015-07-31 | 2017-02-09 | エーエーシー テクノロジーズ ピーティーイー リミテッドＡａｃ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｐｔｅ．Ｌｔｄ． | Multi-resonance linear motor |
| JP2017216776A (en) * | 2016-05-30 | 2017-12-07 | アルプス電気株式会社 | Power generator and electronic apparatus |
| JP2017216775A (en) * | 2016-05-30 | 2017-12-07 | アルプス電気株式会社 | Power generator and electronic apparatus |
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