JPH05211746A - Motor fitted with sensor - Google Patents
Motor fitted with sensorInfo
- Publication number
- JPH05211746A JPH05211746A JP4015973A JP1597392A JPH05211746A JP H05211746 A JPH05211746 A JP H05211746A JP 4015973 A JP4015973 A JP 4015973A JP 1597392 A JP1597392 A JP 1597392A JP H05211746 A JPH05211746 A JP H05211746A
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- motor
- cover
- magnet
- bearing housing
- 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
- 210000000078 claw Anatomy 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 230000004907 flux Effects 0.000 description 4
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は家庭電化製品に使用する
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 motor used in home appliances.
【０００２】[0002]
【従来の技術】近年電気洗濯機等に使用されるモータは
各種の制御を行う場合、センサー機構をつけている場合
が多い。2. Description of the Related Art Motors used in electric washing machines and the like in recent years are often equipped with a sensor mechanism for various controls.
【０００３】以下に従来のセンサー付きモータについて
説明する。図４は従来のセンサー付きモータの概略図を
示すものである。図４において１はステータユニツト、
２は軸受ハウジングで、シャフト３を圧入したロータ４
をステータユニツトの中に挿入後圧入する。５は検知用
マグネツトで、６はホールセンサー７を固定したセンサ
ーカバ−である。A conventional motor with a sensor will be described below. FIG. 4 is a schematic view of a conventional motor with a sensor. In FIG. 4, 1 is a stator unit,
Reference numeral 2 denotes a bearing housing, which is a rotor 4 having a shaft 3 press-fitted therein.
Insert into the stator unit and press fit. Reference numeral 5 is a detection magnet, and 6 is a sensor cover to which a hall sensor 7 is fixed.
【０００４】以上のように構成されたセンサー付きモー
タについて以下その動作について説明する。The operation of the sensor-equipped motor configured as described above will be described below.
【０００５】ステータユニツト１に通電することによ
り、ロータ４が回転し、その先端にセツトされたセンサ
ー用マグネツト５が回転して、その磁束をセンサーカバ
ー６にセツトしたホールセンサー７が検知し、即ち回転
数を検知するようになつている。When the stator unit 1 is energized, the rotor 4 rotates, the sensor magnet 5 set at the tip of the rotor unit 1 rotates, and its magnetic flux is detected by the Hall sensor 7 set on the sensor cover 6, that is, It is designed to detect the number of rotations.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら上記の従
来の構成ではセンサーカバーのセンターとモータのセン
ターが合いにくく、マグネツトの磁束が弱い場合、マグ
ネツトとセンサーのスキマが一定しないため検知しない
問題があつた。また取付けがビスの為、キリコがモータ
内に入る場合があり、その為、異常音が発生したり、又
セツトしにくいという問題点を有していた。However, in the above-mentioned conventional configuration, there is a problem that the center of the sensor cover and the center of the motor are not easily aligned with each other, and when the magnetic flux of the magnet is weak, the gap between the magnet and the sensor is not constant and the detection is not performed. .. Further, since the attachment is a screw, there may be a case where the Kiriko enters the motor, which causes a problem that an abnormal sound is generated and it is difficult to set.
【０００７】本発明は上記従来の問題点を解決するもの
で、センサーカバーのセンターとモータが合いやすく、
かつセツトしやすい構造のセンサー付きモータを提供す
ることを目的とする。The present invention solves the above-mentioned conventional problems, and the center of the sensor cover and the motor are easily fitted,
Another object of the present invention is to provide a motor with a sensor which has a structure that is easy to set.
【０００８】[0008]
【課題を解決するための手段】この目的を達成するため
に本発明のセンサー付きモータはモータのシャフトにマ
グネツトを固定し、その外周に検知用ホールＩＣをセツ
トしたセンサーカバーを位置させ、かつセンサーカバー
の内側に複数個のリブをもうけ、モータの軸受ハウジン
グの外形にそわせたものである。また軸受ハウジングに
複数個の穴をもうけ、その穴にセンサーカバーにもうけ
た爪部を挿入して、回転させることにより固定するよう
にした構成を有している。In order to achieve this object, a motor with a sensor according to the present invention has a magnet fixed to a shaft of a motor, and a sensor cover having a detection Hall IC set on the outer periphery thereof. A plurality of ribs are provided on the inside of the cover so as to fit the outer shape of the bearing housing of the motor. Further, the bearing housing is provided with a plurality of holes, and the claw portions provided on the sensor cover are inserted into the holes and fixed by rotating.
【０００９】[0009]
【作用】この構成によつてモータの軸受ハウジングはシ
ャフトと同軸にあるので、その外周にセンサーカバーの
内側にもうけたリブをそわせる構成にすることにより、
マグネツトとセンサーのスキマが一定になり設計的にス
キマが小さく出来、したがつて、マグネツトの磁束が弱
くても使用することが出来る。又軸受ハウジングに複数
個の穴をもうけ、その穴にセンサーカバーにもうけた爪
部を挿入して、回転させることにより、固定するように
しているので、簡単かつ確実にセツト出来る。With this configuration, the bearing housing of the motor is coaxial with the shaft. Therefore, by arranging the ribs provided inside the sensor cover on the outer periphery thereof,
Since the gap between the magnet and the sensor is constant, the gap between the magnet and the sensor can be reduced by design, so that it can be used even if the magnetic flux of the magnet is weak. Further, since the bearing housing is provided with a plurality of holes, and the claw portions provided in the sensor cover are inserted into the holes and fixed by rotating, the set can be performed easily and surely.
【００１０】[0010]
【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。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
【００１１】図１において、８はステータユニツト、９
は軸受ハウジングでシャフト１０を圧入したロータ１１
をステータユニツト８の中に挿入後圧入する。In FIG. 1, 8 is a stator unit and 9 is a stator unit.
Is a rotor 11 with a shaft 10 press-fitted in a bearing housing
Is inserted into the stator unit 8 and then press-fitted.
【００１２】１２は検知用マグネツトで、１３はホール
センサー１４を固定したセンサーカバーである。Reference numeral 12 is a detection magnet, and 13 is a sensor cover to which a hall sensor 14 is fixed.
【００１３】以上のように構成されたセンサー付きモー
タについて、図１、図２を用いてその動作を説明する。The operation of the sensor-equipped motor configured as described above will be described with reference to FIGS. 1 and 2.
【００１４】ステータユニツト８に通電することにより
ロータ１１が回転し、センサー用マグネツト１２回転し
て、その磁束をセンサーカバー１３にセツトしたホール
センサー１４が検知し、すなわち回転数を検知するよう
にしている。その場合マグネツトとセンサーとのスキマ
を出来るだけ小さくした方がマグネツトの磁足が小さく
出来るので安く出来る。その為に本考案はマグネツトの
センター、すなわちモータのシャフト１０のセンターと
センサーカバー１３のセンターが合うように軸受ハウジ
ング９の外周部にそうように、センサーカバー１３の内
径にリブ１６をもうけたものである。By energizing the stator unit 8, the rotor 11 rotates, the sensor magnet 12 rotates, and its magnetic flux is detected by the hall sensor 14 set on the sensor cover 13, that is, the number of rotations is detected. There is. In that case, it is cheaper to make the gap between the magnet and the sensor as small as possible because the magnetic foot of the magnet can be made smaller. Therefore, the present invention has a rib 16 on the inner diameter of the sensor cover 13 so that the center of the magnet, that is, the center of the motor shaft 10 and the center of the sensor cover 13 are aligned with each other on the outer peripheral portion of the bearing housing 9. Is.
【００１５】また簡単にセンサーカバー１３がモータに
セツト出来るように図１、図２の１７に示すような爪部
を図３に示す形をした軸受ハウジング９の穴のＡ部に挿
入し、回転させてＢ部にくるようにしたものである。In order to easily set the sensor cover 13 to the motor, a claw portion as shown in 17 of FIGS. 1 and 2 is inserted into the portion A of the hole of the bearing housing 9 having the shape shown in FIG. It was made to come to the B section.
【００１６】以上のようにすることにより、本考案はモ
ータのセンターとセンサーカバーのセンターがあうよう
にし、またセンサーカバーを簡単かつ確実にセツト出来
るようにしたものである。By the above, the present invention makes the center of the motor and the center of the sensor cover coincide with each other and allows the sensor cover to be set easily and surely.
【００１７】[0017]
【発明の効果】以上のように本発明はセンサーカバーの
内側に複数個のリブをもうけ、モータの軸受ハウジング
の外形にそわせることにより、センサーマグネツトとセ
ンサーカバーの中心を同じにして、スキマを小さく設計
出来るようにし、かつ軸受ハウジングに復数個の穴をも
うけ、その穴にセンサーカバーの爪部を挿入して回転さ
せることにより、固定させる構造にすることにより安価
なマグネツトを使うことが出来、又簡単かつ確実にセツ
ト出来る構造にしたセンサー付きモータを実現出来るも
のである。As described above, according to the present invention, a plurality of ribs are provided on the inside of the sensor cover so as to conform to the outer shape of the bearing housing of the motor, so that the center of the sensor magnet and the center of the sensor cover are the same, and the gap between them is reduced. It is possible to use an inexpensive magnet by making it possible to design a small size, and by making several holes in the bearing housing, inserting the claw part of the sensor cover into the hole and rotating it, and fixing it. It is possible to realize a motor with a sensor that has a structure that can be set easily and reliably.
【図１】本発明のセンサー付きモータの概略図FIG. 1 is a schematic view of a motor with a sensor according to the present invention.
【図２】図１のセンサー部を上部より見た図FIG. 2 is a view of the sensor unit of FIG. 1 seen from above.
【図３】図１の軸受ハウジングを上部より見た図3 is a top view of the bearing housing of FIG.
【図４】従来のセンサー付きモータの概略図FIG. 4 is a schematic view of a conventional motor with a sensor.
【符号の説明】 ８ ステータユニツト ９ 軸受ハウジング １０ シャフト １１ ロータ １２ マグネツト １３ センサーカバー １４ ホールセンサー １５ 軸受 １６ リブ １７ 爪[Explanation of symbols] 8 Stator unit 9 Bearing housing 10 Shaft 11 Rotor 12 Magnet 13 Sensor cover 14 Hall sensor 15 Bearing 16 Rib 17 Claw
Claims (2)
を固定し、その外周に検知用ホールＩＣをセツトしたセ
ンサーカバ−を位置させ、かつセンサーカバーの内側に
複数個のリブをもうけ、モータの軸受ハウジングの外形
にそわせて、モータのセンター位置に来るようにしたセ
ンサー付きモータ。1. A bearing housing of a motor, wherein a sensor magnet is fixed to a shaft of a motor, a sensor cover having a detection Hall IC set on the outer periphery thereof is positioned, and a plurality of ribs are provided inside a sensor cover. A motor with a sensor that fits the outer shape of the motor and comes to the center position of the motor.
うけ、その穴にセンサーカバーにもうけた爪部を挿入し
て、回転させることにより固定される構造にした請求項
１記載のセンサー付きモータ。2. A motor with a sensor according to claim 1, wherein the bearing housing of the motor has a plurality of holes, and the claws provided in the sensor cover are inserted into the holes and fixed by rotating. ..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4015973A JP2928420B2 (en) | 1992-01-31 | 1992-01-31 | Motor with sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4015973A JP2928420B2 (en) | 1992-01-31 | 1992-01-31 | Motor with sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05211746A true JPH05211746A (en) | 1993-08-20 |
| JP2928420B2 JP2928420B2 (en) | 1999-08-03 |
Family
ID=11903654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4015973A Expired - Lifetime JP2928420B2 (en) | 1992-01-31 | 1992-01-31 | Motor with sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2928420B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020038308A (en) * | 2000-11-17 | 2002-05-23 | 이충전 | Motor having hall sensor |
| KR100425721B1 (en) * | 2001-06-25 | 2004-04-03 | 엘지전자 주식회사 | Apparatus for sensing rotor position of brushless motor |
-
1992
- 1992-01-31 JP JP4015973A patent/JP2928420B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020038308A (en) * | 2000-11-17 | 2002-05-23 | 이충전 | Motor having hall sensor |
| KR100425721B1 (en) * | 2001-06-25 | 2004-04-03 | 엘지전자 주식회사 | Apparatus for sensing rotor position of brushless motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2928420B2 (en) | 1999-08-03 |
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