JP2012132880A - メータ用ステッピングモータ - Google Patents
メータ用ステッピングモータ Download PDFInfo
- Publication number
- JP2012132880A JP2012132880A JP2010287399A JP2010287399A JP2012132880A JP 2012132880 A JP2012132880 A JP 2012132880A JP 2010287399 A JP2010287399 A JP 2010287399A JP 2010287399 A JP2010287399 A JP 2010287399A JP 2012132880 A JP2012132880 A JP 2012132880A
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- meter
- stepping motor
- cylindrical magnet
- pointer
- 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
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
- H02K37/10—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type
- H02K37/12—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets
- H02K37/14—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R7/00—Instruments capable of converting two or more currents or voltages into a single mechanical displacement
- G01R7/04—Instruments capable of converting two or more currents or voltages into a single mechanical displacement for forming a quotient
- G01R7/06—Instruments capable of converting two or more currents or voltages into a single mechanical displacement for forming a quotient moving-iron type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/2726—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
- H02K1/2733—Annular magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
- H02K37/10—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type
- H02K37/12—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Abstract
【解決手段】メータの指針を回動させるメータ用ステッピングモータにおいて、円筒状マグネットと、前記円筒状マグネットの周囲に該円筒状マグネットと同軸に成形された中空で樹脂製の回転軸とから構成されるロータ部と、前記ロータ部を内側に収容し、励磁コイルを備えたステータ部と、樹脂製のフロントプレートと、樹脂製のエンドプレートと、を備え、前記回転軸の成形時に、前記円筒状マグネットを固定する固定部を該回転軸とともに成形し、前記固定部によって該円筒状マグネットを固定して該円筒状マグネットと該回転軸とを一体化することを特徴とする。
【選択図】図1
Description
2 ステータ
3 ロータ
4 端子
5 フロントプレート
6 エンドプレート
Claims (6)
- メータの指針を回動させるメータ用ステッピングモータにおいて、
円筒状マグネットと、前記円筒状マグネットの周囲に該円筒状マグネットと同軸に成形された中空で樹脂製の回転軸とから構成されるロータ部と、
前記ロータ部を内側に収容し、励磁コイルを備えたステータ部と、
樹脂製のフロントプレートと、
樹脂製のエンドプレートと、
を備え、
前記回転軸の成形時に、前記円筒状マグネットを固定する固定部を該回転軸とともに成形し、前記固定部によって該円筒状マグネットを固定して該円筒状マグネットと該回転軸とを一体化する
ことを特徴とするメータ用ステッピングモータ。 - 前記回転軸の中空は、軸方向と垂直な面の形状が多角形である中空孔を有し、
前記回転軸の中空孔に前記指針を嵌挿して該指針を該回転軸に固定することを特徴とする請求項1に記載のメータ用ステッピングモータ。 - 前記回転軸にストッパ部を設け、
前記回転軸の回転に伴って回転する前記ストッパ部の軌道上にストッパピンを設け、
前記ストッパピンに前記ストッパ部が当接して前記回転軸の回転を規制することを特徴とする請求項1または2に記載のメータ用ステッピングモータ。 - 前記ストッパ部が軸方向外側に突出する凸部であり、
前記ストッパピンは、樹脂製であり、前記フロントプレートまたはエンドプレートに設けた孔に対し軸方向内側に突出するように挿入されて溶着されることを特徴とする請求項3に記載のメータ用ステッピングモータ。 - 前記フロントプレートに設けた孔および前記エンドプレートに設けた孔が、前記回転軸を軸支する軸受であることを特徴とする請求項1ないし4のうちのいずれか1項に記載のメータ用ステッピングモータ。
- 前記回転軸の中空は、内周面に光反射材をコーティングしてなることを特徴とする請求項1ないし5のうちのいずれか1項に記載のメータ用ステッピングモータ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010287399A JP5653746B2 (ja) | 2010-12-24 | 2010-12-24 | メータ用ステッピングモータ |
US13/311,978 US8928193B2 (en) | 2010-12-24 | 2011-12-06 | Stepping motor for meter |
DE102011056602.3A DE102011056602B4 (de) | 2010-12-24 | 2011-12-19 | Schrittmotor für ein Messinstrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010287399A JP5653746B2 (ja) | 2010-12-24 | 2010-12-24 | メータ用ステッピングモータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012132880A true JP2012132880A (ja) | 2012-07-12 |
JP5653746B2 JP5653746B2 (ja) | 2015-01-14 |
Family
ID=46315749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010287399A Active JP5653746B2 (ja) | 2010-12-24 | 2010-12-24 | メータ用ステッピングモータ |
Country Status (3)
Country | Link |
---|---|
US (1) | US8928193B2 (ja) |
JP (1) | JP5653746B2 (ja) |
DE (1) | DE102011056602B4 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011056602B4 (de) * | 2010-12-24 | 2021-02-04 | Minebea Mitsumi Inc. | Schrittmotor für ein Messinstrument |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101028247B1 (ko) * | 2008-10-14 | 2011-04-11 | 엘지이노텍 주식회사 | 스텝 액츄에이터 |
JP6088762B2 (ja) * | 2012-07-30 | 2017-03-01 | ミネベアミツミ株式会社 | ステッピングモータ |
CN103929039A (zh) * | 2014-04-25 | 2014-07-16 | 黄山金马股份有限公司 | 一种指针驱动装置 |
KR102123180B1 (ko) * | 2019-02-01 | 2020-06-16 | (주)타마스 | 중공축을 갖는 모터 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH089574A (ja) * | 1994-06-23 | 1996-01-12 | Kanegafuchi Chem Ind Co Ltd | マグネットローター及びその製造方法 |
JP2004048892A (ja) * | 2002-07-11 | 2004-02-12 | Minebea Co Ltd | モータおよび計器 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3119941A (en) * | 1959-04-09 | 1964-01-28 | Berex Establishment | Step by step motor |
JP2563243B2 (ja) * | 1984-11-08 | 1996-12-11 | 松下電器産業株式会社 | ステツピングモ−タ |
US5254892A (en) * | 1991-12-30 | 1993-10-19 | North American Philips Corporation | Stepper motor with integrated assembly |
US6404086B1 (en) * | 1996-09-13 | 2002-06-11 | Hitachi, Ltd. | Anisotropic magnet brushless motor having a rotor with elastic insulating support structure |
EP0978931B1 (en) * | 1998-02-23 | 2008-08-06 | Mitsubishi Denki Kabushiki Kaisha | Control valve apparatus |
US6455973B1 (en) * | 1999-01-29 | 2002-09-24 | Siemens Vdo Automotive Corp. | Magnetic device with flux return strip |
JP2001286090A (ja) * | 2000-03-30 | 2001-10-12 | Minebea Co Ltd | モータ端子構造 |
JP2005253138A (ja) * | 2004-03-01 | 2005-09-15 | Mitsubishi Material Cmi Kk | モータ |
JP2006014578A (ja) * | 2004-05-24 | 2006-01-12 | Minebea Co Ltd | ステッピングモータ |
JP4222310B2 (ja) * | 2005-01-13 | 2009-02-12 | 三菱マテリアルシ−エムアイ株式会社 | ステッピングモータ |
JP2009011019A (ja) * | 2007-06-26 | 2009-01-15 | Minebea Co Ltd | ロータ構造 |
US8616522B2 (en) * | 2007-07-10 | 2013-12-31 | Continental Tire Canada, Inc. | Idle air control valve |
JP2010287399A (ja) | 2009-06-10 | 2010-12-24 | Panasonic Electric Works Co Ltd | 無電極放電灯及びこれを用いた照明器具 |
JP5653746B2 (ja) * | 2010-12-24 | 2015-01-14 | ミネベア株式会社 | メータ用ステッピングモータ |
-
2010
- 2010-12-24 JP JP2010287399A patent/JP5653746B2/ja active Active
-
2011
- 2011-12-06 US US13/311,978 patent/US8928193B2/en active Active
- 2011-12-19 DE DE102011056602.3A patent/DE102011056602B4/de active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH089574A (ja) * | 1994-06-23 | 1996-01-12 | Kanegafuchi Chem Ind Co Ltd | マグネットローター及びその製造方法 |
JP2004048892A (ja) * | 2002-07-11 | 2004-02-12 | Minebea Co Ltd | モータおよび計器 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011056602B4 (de) * | 2010-12-24 | 2021-02-04 | Minebea Mitsumi Inc. | Schrittmotor für ein Messinstrument |
Also Published As
Publication number | Publication date |
---|---|
DE102011056602A1 (de) | 2012-06-28 |
US20120161552A1 (en) | 2012-06-28 |
DE102011056602B4 (de) | 2021-02-04 |
JP5653746B2 (ja) | 2015-01-14 |
US8928193B2 (en) | 2015-01-06 |
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