JP5778513B2 - 直動アクチュエータ用の磁気式荷重センサおよび直動アクチュエータ - Google Patents
直動アクチュエータ用の磁気式荷重センサおよび直動アクチュエータ Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/005—Measuring force or stress, in general by electrical means and not provided for in G01L1/06 - G01L1/22
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/741—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on an ultimate actuator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/12—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
- G01L1/122—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress by using permanent magnets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
- F16D2066/005—Force, torque, stress or strain
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/02—Fluid-pressure mechanisms
- F16D2125/10—Plural pistons interacting by fluid pressure, e.g. hydraulic force amplifiers using different sized pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
- F16D2125/34—Mechanical mechanisms converting rotation to linear movement or vice versa acting in the direction of the axis of rotation
- F16D2125/36—Helical cams, Ball-rotating ramps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
- F16D2125/34—Mechanical mechanisms converting rotation to linear movement or vice versa acting in the direction of the axis of rotation
- F16D2125/40—Screw-and-nut
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/44—Mechanical mechanisms transmitting rotation
- F16D2125/46—Rotating members in mutual engagement
- F16D2125/48—Rotating members in mutual engagement with parallel stationary axes, e.g. spur gears
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Braking Arrangements (AREA)
- Transmission Devices (AREA)
Description
2 フランジ部材
3 支持部材
4 磁気ターゲット
5 磁気センサ
6 筒部
9 環状突起
11 永久磁石
12,13 位置決め溝
14 直動アクチュエータ
22 摩擦パッド
23 回転軸
27 電動モータ
70 直動部材
71 直動機構
72 対象物
Claims (12)
- 直動アクチュエータ(14)が対象物(22)に印加する軸方向荷重の大きさを検出する直動アクチュエータ用の磁気式荷重センサ(1)であって、磁界を発生する磁気ターゲット(4)と、その磁気ターゲット(4)に対する相対位置が前記軸方向荷重に応じて変化するように配置された磁気センサ(5)とからなり、
前記軸方向荷重が入力されてたわみを生じるフランジ部材(2)と、そのフランジ部材(2)の外径側部分または内径側部分を前記たわみの支点として支持する環状の支持部材(3)とを設け、
前記フランジ部材(2)の外径側部分と内径側部分のうち前記支持部材(3)で支持される側とは反対側の部分と、支持部材(3)とのうちの一方に前記磁気ターゲット(4)を固定し、他方に前記磁気センサ(5)を固定することで、前記フランジ部材(2)にせん断荷重が作用することによって生じる前記フランジ部材(2)のたわみの大きさから前記軸方向荷重を検出し、
前記フランジ部材(2)の前記支持部材(3)で支持された位置と、前記磁気ターゲット(4)および前記磁気センサ(5)による前記フランジ部材(2)の変位検出位置との間の距離が、前記フランジ部材(2)の前記支持部材(3)で支持された位置と、前記フランジ部材(2)に軸方向荷重が入力される位置との間の距離よりも大きい、
直動アクチュエータ用の磁気式荷重センサ。 - 前記磁気ターゲット(4)が、前記磁気ターゲット(4)と磁気センサ(5)の相対変位方向に対して直交する方向に磁化されたN極とS極を、前記磁気ターゲット(4)と磁気センサ(5)の相対変位方向に隣接して配置したものであり、その隣り合う磁極の境目の近傍に前記磁気センサ(5)を配置した請求項1に記載の直動アクチュエータ用の磁気式荷重センサ。
- 前記磁気ターゲット(4)が、前記磁気ターゲット(4)と磁気センサ(5)の相対変位方向に対して直交する方向を磁化方向とする複数の永久磁石(11)を、反対の極性を有する磁極が前記磁気ターゲット(4)と磁気センサ(5)の相対変位方向に並ぶように配置したものであり、その隣り合う磁極の境目の近傍に前記磁気センサ(5)を配置した請求項1または2に記載の直動アクチュエータ用の磁気式荷重センサ。
- 前記フランジ部材(2)と支持部材(3)を円環板状に形成し、そのフランジ部材(2)と支持部材(3)のうちの一方の部材に、他方の部材の内径面と対向する外径面をもつ筒部(6)を設け、その内径面と外径面のうちの一方に前記磁気ターゲット(4)を固定し、他方に前記磁気センサ(5)を固定した請求項2または3に記載の直動アクチュエータ用の磁気式荷重センサ。
- 前記フランジ部材(2)と支持部材(3)の外周部にその両部材(2,3)の周方向の相対位置を位置決めする位置決め手段(12,13)を設けた請求項1から4のいずれかに記載の直動アクチュエータ用の磁気式荷重センサ。
- 前記磁気センサ(5)としてホールICを使用した請求項1から5のいずれかに記載の直動アクチュエータ用の磁気式荷重センサ。
- 前記磁気センサ(5)として磁気抵抗素子を使用した請求項1から5のいずれかに記載の直動アクチュエータ用の磁気式荷重センサ。
- 前記磁気センサ(5)として磁気インピーダンス素子を使用した請求項1から5のいずれかに記載の直動アクチュエータ用の磁気式荷重センサ。
- 前記磁気ターゲット(4)にネオジム磁石を使用した請求項1から8のいずれかに記載の直動アクチュエータ用の磁気式荷重センサ。
- 電動モータ(27)の回転が入力される回転軸(23)と、その回転軸(23)の回転を直動部材(70)の軸方向移動に変換する直動機構(71)とを有し、その直動機構(71)で対象物(72)に軸方向荷重を印加する直動アクチュエータにおいて、前記軸方向荷重を対象物(22)に印加するときに直動機構(71)に作用する反力を受け止める部材として請求項1から9のいずれかに記載の磁気式荷重センサを組み込んだ直動アクチュエータ。
- 電動モータ(27)の回転が入力される回転軸(23)と、その回転軸(23)の回転を直動部材(70)の軸方向移動に変換する直動機構(71)とを有し、その直動機構(71)の直動部材(70)で対象物(72)に軸方向荷重を印加する直動アクチュエータにおいて、前記直動部材(70)と対象物(72)の間に請求項1から9のいずれかに記載の磁気式荷重センサを組み込んだ直動アクチュエータ。
- 前記磁気センサ(5)の出力信号を用いて前記軸方向荷重をフィードバック制御する請求項10または11に記載の直動アクチュエータ。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011165411A JP5778513B2 (ja) | 2011-07-28 | 2011-07-28 | 直動アクチュエータ用の磁気式荷重センサおよび直動アクチュエータ |
CN201280036972.5A CN103765177B (zh) | 2011-07-28 | 2012-07-24 | 直动致动器用的磁性负载传感器以及直动致动器 |
EP12817067.7A EP2738532B1 (en) | 2011-07-28 | 2012-07-24 | Magnetic load sensor for use in a linear motion actuator, and a linear motion actuator |
US14/235,106 US9846090B2 (en) | 2011-07-28 | 2012-07-24 | Magnetic load sensor for use in a linear motion actuator, and a linear motion actuator |
IN1541CHN2014 IN2014CN01541A (ja) | 2011-07-28 | 2012-07-24 | |
PCT/JP2012/068657 WO2013015263A1 (ja) | 2011-07-28 | 2012-07-24 | 直動アクチュエータ用の磁気式荷重センサおよび直動アクチュエータ |
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JP2011165411A JP5778513B2 (ja) | 2011-07-28 | 2011-07-28 | 直動アクチュエータ用の磁気式荷重センサおよび直動アクチュエータ |
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JP2013029413A JP2013029413A (ja) | 2013-02-07 |
JP5778513B2 true JP5778513B2 (ja) | 2015-09-16 |
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US (1) | US9846090B2 (ja) |
EP (1) | EP2738532B1 (ja) |
JP (1) | JP5778513B2 (ja) |
CN (1) | CN103765177B (ja) |
IN (1) | IN2014CN01541A (ja) |
WO (1) | WO2013015263A1 (ja) |
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US7521922B2 (en) * | 2006-11-07 | 2009-04-21 | Key Safety Systems, Inc. | Linear position sensor |
JP5376859B2 (ja) * | 2007-08-28 | 2013-12-25 | キヤノン株式会社 | 磁気式力センサ及び磁気式力センサを有するロボットアーム |
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2011
- 2011-07-28 JP JP2011165411A patent/JP5778513B2/ja active Active
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2012
- 2012-07-24 CN CN201280036972.5A patent/CN103765177B/zh active Active
- 2012-07-24 US US14/235,106 patent/US9846090B2/en active Active
- 2012-07-24 IN IN1541CHN2014 patent/IN2014CN01541A/en unknown
- 2012-07-24 WO PCT/JP2012/068657 patent/WO2013015263A1/ja active Application Filing
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US20140191627A1 (en) | 2014-07-10 |
CN103765177B (zh) | 2015-12-02 |
EP2738532A1 (en) | 2014-06-04 |
EP2738532B1 (en) | 2018-07-11 |
IN2014CN01541A (ja) | 2015-05-08 |
JP2013029413A (ja) | 2013-02-07 |
US9846090B2 (en) | 2017-12-19 |
WO2013015263A1 (ja) | 2013-01-31 |
EP2738532A4 (en) | 2015-05-06 |
CN103765177A (zh) | 2014-04-30 |
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