JP2009261062A - Brushless motor - Google Patents

Brushless motor Download PDF

Info

Publication number
JP2009261062A
JP2009261062A JP2008104519A JP2008104519A JP2009261062A JP 2009261062 A JP2009261062 A JP 2009261062A JP 2008104519 A JP2008104519 A JP 2008104519A JP 2008104519 A JP2008104519 A JP 2008104519A JP 2009261062 A JP2009261062 A JP 2009261062A
Authority
JP
Japan
Prior art keywords
gt
lt
sb
coil
brushless motor
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.)
Abandoned
Application number
JP2008104519A
Other languages
Japanese (ja)
Inventor
Naoki Kanai
Koichiro Saito
向一郎 斎藤
直樹 金井
Original Assignee
Sanyo Electric Co Ltd
Sanyo Seimitsu Kk
三洋精密株式会社
三洋電機株式会社
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 Sanyo Electric Co Ltd, Sanyo Seimitsu Kk, 三洋精密株式会社, 三洋電機株式会社 filed Critical Sanyo Electric Co Ltd
Priority to JP2008104519A priority Critical patent/JP2009261062A/en
Publication of JP2009261062A publication Critical patent/JP2009261062A/en
Application status is Abandoned legal-status Critical

Links

Images

Abstract

<P>PROBLEM TO BE SOLVED: To provide a brushless motor wherein a drive coil can be directly positioned and fixed on a circuit board. <P>SOLUTION: A flat vibration motor includes: a stator plate 11 mounted with a flexible substrate 14 for power supply having two drive coils C<SB>1</SB>, C<SB>2</SB>around a spindle 12; and a rotor 20 having magnets 22 and an eccentric weight 24 planarly opposed to the drive coils C<SB>1</SB>, C<SB>2</SB>and rotatably supported on the spindle 12. The flexible substrate 14 has coil positioning holes 14b, 14c. The flexible substrate 14 is stuck to the other side of a two-sided adhesive film 13 one side of which is stuck to the stator plate 11. The drive coils C<SB>1</SB>, C<SB>2</SB>are fit into the coil positioning holes 14b, 14c and the lower end faces of the drive coils C<SB>1</SB>, C<SB>2</SB>are stuck to the other side. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、振動モータなどに適用可能なブラシレスモータに関する。 The present invention relates to a brushless motor capable applied to a vibrating motor.

特開2003−111374においては、ベース部材上に珪素鋼板,フレキシブル配線基板,複数の駆動コイルを積層固定したステータと、駆動コイルに面対向するマグネットを持ちベース部材に回転自在に支持されたシャフトと一体的に回転するロータとを有するブラシレスモータが示されている。 In JP 2003-111374, a silicon steel plate on the base member, and the flexible wiring board, a stator formed by stacking fixing the plurality of driving coils, and rotatably supported by a shaft on the base member has a magnet which faces opposite to the driving coil It has been shown brushless motor having a rotor that rotates integrally.
特開2003−111374(図1、図3) Patent 2003-111374 (FIG. 1, FIG. 3)

従来、上記の駆動コイルをフレキシブル配線基板上に固定する組み付け作業は、駆動コイルの外径が数ミリ程度であるため、複数個の駆動コイルを治具の位置決め部に一旦セットして駆動コイルの端面に接着材を塗布した後、治具を天地反転させてフレキシブル配線基板に駆動コイルを位置決め固定するものであり、治具を用いた組み付け作業であるため、作業効率に遜色がある。 Conventionally, assembling work fixing the drive coil on a flexible wiring substrate, the driving coil for an outer diameter of about several millimeters, the once set to the driving coil a plurality of drive coils in the positioning portion of the jig after applying the adhesive to the end face, it is intended to jig top-bottom inverted allowed by flexible wiring board to position and fix the drive coil, because it is the assembly work using a jig, there is inferior in working efficiency.

そこで上記問題点に鑑み、本発明の課題は、駆動コイルを回路基板に直接位置決め固定できるブラシレスモータを提供することにある。 Therefore in view of the above problems, an object of the present invention is to provide a brushless motor driving coil can be positioned directly fixed to the circuit board.

本発明は、支軸の周りに複数個の駆動コイルを持つ回路基板を搭載するステータ板と、駆動コイルに面対向するマグネットを持ち支軸に回転自在に支持されたロータとを備えるブラシレスモータにおいて、回路基板はコイル用位置決め穴を有し、回路基板がステータ板に片面を貼り合せた両面粘着フィルムの他面に貼り合せて成り、駆動コイルをコイル用位置決め穴に嵌め込んで当該駆動コイルの下端面が他面に粘着して成ることを特徴とする。 The present invention provides a brushless motor including a stator plate for mounting a circuit board having a plurality of drive coils around the support shaft, and a rotor rotatably supported on a support shaft having a magnet that faces opposite to the driving coil , the circuit board has a positioning hole coil comprises a circuit board bonded to the other surface of the double-sided adhesive film bonded to one side stator plate, of the driving coil is fitted the drive coil positioning hole coil wherein the lower end surface formed by the adhesive on the other face. なお、ここで両面粘着フィルムとは両面粘着シート、両面粘着紙を含む意味で用いる。 Here, the double-sided adhesive film is used to include the meaning double-sided pressure-sensitive adhesive sheet, the double-sided adhesive paper.

コイルの組み付け作業においては、駆動コイルを回路基板のコイル用位置決め穴に嵌め込むだけで、駆動コイルの位置決め固定を実現でき、作業効率を高めることができる。 In the coil assembling operations, the drive coil only fitting the coil positioning holes of the circuit board, can be realized positioning and fixing of the driving coil, it is possible to enhance the working efficiency. しかも、駆動コイルの上端面の回路基板からの突出高さを回路基板の厚みだけ低くできるため、モータの扁平化や駆動コイルのターン数増加による高トルク化を図ることができる。 Moreover, the projecting height from the circuit board of the upper end surface of the driving coil for can be lowered by the thickness of the circuit board, it is possible to increase the torque of by the number of turns increase in motor flattened and the driving coil.

回路基板がフレキシブル配線基板の場合は、コイル用位置決め穴は打ち抜きで形成できる。 If the circuit board is a flexible wiring board, the positioning holes for coil may be formed by stamping. そして、このブラシレスモータはロータに偏心錘を持つ扁平形振動モータに適用できる。 Then, the brushless motor can be applied to a flat type vibration motor with an eccentric weight to the rotor.

本発明によれば、駆動コイルを回路基板に直接位置決め固定できるブラシレスモータを提供できる。 The present invention can provide a brushless motor driving coil can be positioned directly fixed to the circuit board.

次に、本発明の一実施形態を添付図面に基づいて説明する。 It will now be described with reference to an embodiment of the present invention in the accompanying drawings. 図1(A)は本発明の一実施例に係る扁平形振動モータを示す平面図、図1(B)はその底面図、図2(A)は図1(A)のa−a′線に沿って切断した断面図、図2(B)は図1(A)のb−b′線に沿って切断した断面図、図3は同扁平形振動モータのステータを示す斜視図、図4は同ステータの組み付け斜視図である。 1 (A) is a plan view showing a flat type vibration motor according to an embodiment of the present invention, FIG. 1 (B) a bottom view thereof, a-a 'line of FIG. 2 (A) Fig. 1 (A) cross-sectional view taken along, FIG. 2 (B) b-b 'section cut view along the line of FIG. 1 (a), FIG. 3 is a perspective view showing the same flat-shaped vibration motor stator, Figure 4 is a perspective view of assembly of the stator.

本例の扁平形(コイン形)振動モータは、ステータ10とロータ20とから成るブラシレスモータである。 Flat-shaped in this example (coin type) vibration motor is a brushless motor comprising a stator 10 and a rotor 20. ステータ10は、円形の磁性材(珪素鋼鈑)のステータ板(ベースプレートないし底板)11と、このステータ板11の中央穴11aに一端が圧入して溶接固定した支軸12と、ステータ板11の上面に貼り合せた円形の両面粘着フィルム13と、この両面粘着フィルム13上に貼り合せた給電用フレキシブル基板14と、支軸12に遊嵌した樹脂ワッシャー17と、支軸12の他端を圧入して下開口がステータ11で塞がれたカップ状のハウジング18とを有する。 The stator 10 includes a stator plate (base plate or bottom plate) 11 of a circular magnetic material (silicon steel plates), a support shaft 12 having one end in a central hole 11a is press-fitted and welded in the stator plate 11, the stator plate 11 press fitting a circular double-sided adhesive film 13 bonded to the upper surface, and the double-sided adhesive film 13 feeding a flexible substrate 14 bonded onto a resin washer 17 loosely fitted to the support shaft 12, the other end of the support shaft 12 lower opening has a cup-shaped housing 18 which is closed by the stator 11 and. ステータ板11はロータ20のデットポイントを回避するための3つのコギング発生用丸穴11bを有する。 The stator plate 11 has three cogging generating circular holes 11b to avoid dead point of the rotor 20. 両面粘着フィルム13は支軸12が貫通する中央穴13aを有し、フィルム基材の両面に粘着層を形成したもので、両面粘着紙又は両面粘着シートでも構わないが、薄い方が望ましい。 Double-sided adhesive film 13 has a central bore 13a which the support shaft 12 penetrates, which was formed an adhesive layer on both surfaces of the film substrate, but may be a double-sided adhesive paper or double-sided adhesive sheet, a thinner is desired. 給電用フレキシブル基板14は、支軸12が貫通する中央穴14aと、この中央穴14aの周りで2つの駆動コイルC ,C が内嵌する非円形のコイル用位置決め穴14b,14cと、磁気を検知するホール素子を内蔵し駆動コイルC ,C に対する励磁電流を切換えて回転磁界を形成するための駆動制御IC15が内嵌するIC位置決め穴14dと、コンデンサ16が内嵌するコンデンサ位置決め穴14eとを有する。 Feeding flexible substrate 14 includes a central bore 14a which the support shaft 12 penetrates the two drive coils C 1, C 2 is internally fitted to the non-circular coil positioning holes 14b around the center hole 14a, and 14c, an IC positioning hole 14d of the drive control IC15 is fitted into in order to form a rotating magnetic field by switching the exciting current to the built-in Hall element driving coil C 1, C 2 for detecting the magnetic, capacitor positioning fitted into capacitor 16 and a hole 14e. 駆動コイルC ,C は非円形の空心コイルであり、支軸12を中心に180°の回転対称位置に設けられている。 Driving coil C 1, C 2 is a non-circular air-core coil, is provided in the rotationally symmetrical position of 180 ° about the support shaft 12.

ロータ20は、軸受ホルダー部23aのメタル軸受21を介して支軸14に回転自在に支持され、駆動コイルC ,C と面対向する環状6磁極のマグネット22を下側に持つロータ板23と、このロータ板23の外周側に設けられた弧状の偏心錘24とを有する。 The rotor 20 is rotatably supported on the shaft 14 via a metal bearing 21 of the bearing holder portion 23a, the driving coils C 1, the rotor plate 23 having a C 2 and a surface facing the annular 6 magnetic poles of the magnet 22 on the lower side When, and a arcuate eccentric weight 24 provided on the outer periphery of the rotor plate 23.

図4に示す如く、ステータ10の組立作業においては、片面剥離紙(図示せず)を剥がした両面粘着フィルム13をステータ板11の表面に貼り合わせる。 As shown in FIG. 4, in the assembly of the stator 10 are attached to each double-sided pressure-sensitive adhesive film 13 peeling one release paper (not shown) on the surface of the stator plate 11. この際、ステータ板11に起立した支軸12に嵌る中央穴13aがガイドとなって両面粘着フィルム13を位置決め固定できる。 At this time, the center hole 13a to fit the support shaft 12 standing upright on the stator plate 11 can be positioned and fixed double-sided adhesive film 13 becomes a guide. 次いで、この両面粘着フィルム13を覆う他面剥離紙(図示せず)を除去してから給電用フレキシブル基板14の中央穴14aを支軸12に嵌めて給電用フレキシブル基板14を両面粘着フィルム13の上面に貼り合わせる。 Then, the double-sided adhesive film 13 on the other hand release paper covering the feeding flexible substrate 14 a central hole 14a is fitted to the support shaft 12 of the feeding flexible substrate 14 is removed (not shown) double-sided adhesive film 13 bonded to the top surface. 次いで、駆動コイルC ,C をコイル用位置決め穴14b,14cに嵌め込み駆動コイルC ,C の下端面をコイル用位置決め穴14b,14c内の両面粘着フィルム13に粘着し、コイル端末(図示せず)を給電用フレキシブル基板14の給電パターン(図示せず)に半田付けする。 Then sticking the driving coil C 1, C 2 coil positioning holes 14b, and the lower end surface of the fitting drive coils C 1, C 2 to 14c coil positioning holes 14b, the double-sided pressure-sensitive adhesive film 13 in 14c, coil terminals ( soldering not shown) to the power supply pattern of feeding the flexible substrate 14 (not shown). また、駆動制御IC15をIC位置決め穴14dに倒立姿勢で嵌め込み、端子15aと給電パターン(図示せず)を半田付けし、更に、コンデンサ16をコンデンサ位置決め穴14eに倒立姿勢で嵌め込み、電極16aと給電パターン(図示せず)を半田付けする。 Further, the drive control IC15 fit in the standing posture to the IC positioning holes 14d, terminals 15a and the feeding pattern (not shown) is soldered, further, fitting in an inverted orientation capacitor 16 to the capacitor positioning hole 14e, the electrode 16a feeding pattern (not shown) for soldering. 次いで、樹脂ワッシャー17を支軸12に嵌めると、ステータ10を得ることができる。 Then, when fitting the resin washer 17 to the support shaft 12, can be obtained stator 10. なお、必要ならば、駆動コイルC ,C に接着剤を充填しても構わない。 Incidentally, if necessary, it may be filled with an adhesive to the driving coil C 1, C 2.

このように、駆動コイルC ,C を給電用フレキシブル基板14のコイル用位置決め穴14b,14cに嵌め込むだけで、駆動コイルC ,C の位置決め固定を実現でき、作業効率を高めることができる。 Thus, the driving coil C 1, C 2 the coil positioning holes 14b of the feeding flexible substrate 14, only fitted to 14c, can be realized positioning and fixing of the driving coil C 1, C 2, to enhance the work efficiency can. また、駆動制御IC15,コンデンサ16もIC位置決め穴14d,コンデンサ位置決め穴14eに嵌め込むだけで位置決めできる。 The drive control IC 15, capacitor 16 also IC positioning holes 14d, can be positioned only by fitting the capacitor positioning hole 14e. 駆動コイルC ,C の上端面の給電用フレキシブル基板14からの突出高さを給電用フレキシブル基板14の厚みだけ低くできるため、モータの扁平化を図ることができ、或いは駆動コイルC ,C のターン数増加による高トルク化を図ることができる。 Since the protruding height from the driving coil C 1, C feeding the flexible substrate 14 of the upper end surface of 2 can be lowered by the thickness of the feeding flexible substrate 14, it is possible to flatten the motor, or a driving coil C 1, it is possible to increase the torque of by the number of turns increases in C 2.

(A)は本発明の一実施例に係る扁平形振動モータを示す平面図、(B)はその底面図である。 (A) is a plan view showing a flat type vibration motor according to an embodiment of the present invention, (B) is a bottom view thereof. (A)は図1(A)のa−a′線に沿って切断した断面図、(B)は図1(A)のb−b′線に沿って切断した断面図である。 (A) is 'cross-sectional view taken along the line, b-b of (B) Fig. 1 (A)' a-a in FIG. 1 (A) is a sectional view taken along a line. 同扁平形振動モータのステータを示す斜視図である。 Is a perspective view showing the same flat-shaped vibration motor stator. 同ステータの組み付け斜視図である。 It is a perspective view of assembly of the stator.

符号の説明 DESCRIPTION OF SYMBOLS

10…ステータ11…ステータ板11b…コギング発生用丸穴11a,13a,14a…中央穴12…支軸13…両面粘着フィルム14…給電用フレキシブル基板14b,14c…コイル用位置決め穴14d…IC位置決め穴14e…コンデンサ位置決め穴15…駆動制御IC 10 ... stator 11 ... stator plate 11b ... cogging generating circular holes 11a, 13a, 14a ... center hole 12 ... shaft 13 ... double-sided adhesive film 14 ... power supply flexible board 14b, 14c ... positioning hole 14d ... IC positioning holes for coil 14e ... capacitor positioning holes 15 ... drive control IC
15a…端子16…コンデンサ16a…電極17…樹脂ワッシャー18…ハウジング20…ロータ21…メタル軸受22…マグネット23…ロータ板23a…軸受ホルダー部24…偏心錘C ,C …駆動コイル 15a ... terminal 16 ... capacitor 16a ... electrode 17 ... resin washer 18 ... housing 20 ... rotor 21 ... metal bearing 22 ... magnet 23 ... rotor plate 23a ... bearing holder portion 24 ... eccentric weight C 1, C 2 ... drive coil

Claims (3)

  1. 支軸の周りに複数個の駆動コイルを持つ回路基板を搭載するステータ板と、前記駆動コイルに面対向するマグネットを持ち前記支軸に回転自在に支持されたロータとを備えるブラシレスモータにおいて、 In the brushless motor comprising a stator plate for mounting a circuit board having a plurality of drive coils around the support shaft, and a rotor rotatably supported on the shaft having a magnet that face facing the drive coil,
    前記回路基板はコイル用位置決め穴を有し、前記回路基板が前記ステータ板に片面を貼り合せた両面粘着フィルムの他面に貼り合せて成り、前記駆動コイルを前記コイル用位置決め穴に嵌め込んで当該駆動コイルの下端面が前記他面に粘着して成ることを特徴とするブラシレスモータ。 The circuit board has a positioning hole coil comprises bonded to the other surface of the double-sided adhesive film of the circuit board is bonded to one side to said stator plate, is fitted to the drive coil to said positioning holes for coil brushless motor lower end surface of the drive coil is equal to or formed by the adhesive on the other face said.
  2. 請求項1に記載のブラシレスモータにおいて、前記回路基板はフレキシブル配線基板であることを特徴とするブラシレスモータ。 In the brushless motor according to claim 1, the brushless motor, wherein the circuit board is a flexible wiring board.
  3. 請求項1又は請求項2に記載のブラシレスモータにおいて、前記ロータは偏心錘を有することを特徴とする振動モータ。 Vibration motor in brushless motor according to claim 1 or claim 2, wherein the rotor is characterized by having an eccentric weight.
JP2008104519A 2008-04-14 2008-04-14 Brushless motor Abandoned JP2009261062A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008104519A JP2009261062A (en) 2008-04-14 2008-04-14 Brushless motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008104519A JP2009261062A (en) 2008-04-14 2008-04-14 Brushless motor

Publications (1)

Publication Number Publication Date
JP2009261062A true JP2009261062A (en) 2009-11-05

Family

ID=41387774

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008104519A Abandoned JP2009261062A (en) 2008-04-14 2008-04-14 Brushless motor

Country Status (1)

Country Link
JP (1) JP2009261062A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD650003S1 (en) 2008-10-20 2011-12-06 X6D Limited 3D glasses
WO2012008248A1 (en) * 2010-07-12 2012-01-19 三洋精密株式会社 Flat type vibration motor
USD652860S1 (en) 2008-10-20 2012-01-24 X6D Limited 3D glasses
JP2013070549A (en) * 2011-09-26 2013-04-18 Minebea Co Ltd Inner rotor type brushless motor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD650003S1 (en) 2008-10-20 2011-12-06 X6D Limited 3D glasses
USD652860S1 (en) 2008-10-20 2012-01-24 X6D Limited 3D glasses
WO2012008248A1 (en) * 2010-07-12 2012-01-19 三洋精密株式会社 Flat type vibration motor
JP2013070549A (en) * 2011-09-26 2013-04-18 Minebea Co Ltd Inner rotor type brushless motor

Similar Documents

Publication Publication Date Title
JP4718260B2 (en) Molded motor
US5945753A (en) Motor
JP3146492B2 (en) Brushless dc motor
CN1218457C (en) Motor with eccentric weight for vibration generation and apparatus carrying said motor
US8227946B2 (en) Flat type vibration motor
JP2006074864A (en) Brushless motor
US7265464B2 (en) Balancing structure for motor
CN1360389A (en) Flat oscillating motor
US7800274B2 (en) Thin stator, eccentric motor and axial air-gap brushless vibration motor equipped with the same
US7157823B2 (en) Brushless vibration motor
CN1317168A (en) Sound vibration generator
JP2009521202A (en) Flat-type single phase brushless dc motor
JPH1189130A (en) Motor construction
TW578356B (en) Brushless DC motor, pump, and electronic apparatus
US5952760A (en) Brushless DC motor
JPH09294365A (en) Structure motor
US20060028077A1 (en) Flat vibration brushless motor
JP4262258B2 (en) Thin heat dissipation structure
JP2004274998A (en) Single-phase induction motor
CA2340957C (en) Dc brushless vibration motor
CN1172421C (en) Axial gap type eccentric rotor and flat coreless vibratig motor using said rotor
US5666011A (en) Miniature fan motor assembly
JP2008011611A (en) Electric motor
CN1233084C (en) Small and flat motor, and apparatus using the same motor
CN202250965U (en) Radiating fan

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20110330

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20110706

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20110706

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110715

A762 Written abandonment of application

Free format text: JAPANESE INTERMEDIATE CODE: A762

Effective date: 20111207