JP5877134B2 - 磁気式荷重センサおよび電動ブレーキ装置 - Google Patents
磁気式荷重センサおよび電動ブレーキ装置 Download PDFInfo
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- JP5877134B2 JP5877134B2 JP2012155528A JP2012155528A JP5877134B2 JP 5877134 B2 JP5877134 B2 JP 5877134B2 JP 2012155528 A JP2012155528 A JP 2012155528A JP 2012155528 A JP2012155528 A JP 2012155528A JP 5877134 B2 JP5877134 B2 JP 5877134B2
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- 238000006073 displacement reaction Methods 0.000 claims description 33
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- 125000006850 spacer group Chemical group 0.000 description 13
- 230000007246 mechanism Effects 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 10
- 230000004308 accommodation Effects 0.000 description 8
- 230000007423 decrease Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000010453 quartz Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- AWWAHRLLQMQIOC-UHFFFAOYSA-N [Fe].[Sm] Chemical compound [Fe].[Sm] AWWAHRLLQMQIOC-UHFFFAOYSA-N 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001337 iron nitride Inorganic materials 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
Classifications
-
- 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
-
- 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
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
- F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
- F16D55/225—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
-
- 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
-
- 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0038—Force sensors associated with force applying means applying a pushing force
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/12—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring axial thrust in a rotary shaft, e.g. of propulsion plants
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/22—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/28—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for testing brakes
-
- 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
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/24—Electric or magnetic using motors
-
- 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
- F16D2125/50—Rotating members in mutual engagement with parallel non-stationary axes, e.g. planetary gearing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Braking Arrangements (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 荷重作用面
7 軸方向前面
8 段差
9 隅R部
10 被支持面
11 軸方向後面
12 段差
13 盗み溝
14 支持部
15 嵌合筒部
19 永久磁石
70 磁気式荷重センサ
Claims (10)
- 軸方向前方から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)を前記荷重の入力位置から径方向にずらした位置で軸方向後方から支持する支持部材(3)と、
磁束を発生する磁気ターゲット(4)と、
その磁気ターゲット(4)が発生する磁束を検出する磁気センサ(5)とを有し、
前記磁気ターゲット(4)と磁気センサ(5)は、前記フランジ部材(2)に荷重が入力されたときにそのフランジ部材(2)のたわみにより磁気ターゲット(4)と磁気センサ(5)が相対変位するように、磁気ターゲット(4)と磁気センサ(5)のうちの一方が前記フランジ部材(2)に固定され、他方が前記支持部材(3)に固定され、前記磁気センサ(5)で検出した磁束に基づいて前記荷重の大きさを検出する磁気式荷重センサであって、
前記フランジ部材(2)の前記荷重が入力される荷重作用面(6)を、前記フランジ部材(2)の支持部材(3)で支持される部分の軸方向前面(7)に対して軸方向後方にオフセットした位置に形成したことを特徴とする磁気式荷重センサ。 - 前記フランジ部材(2)の支持部材(3)で支持される被支持面(10)を、前記フランジ部材(2)の前記荷重が入力される部分の軸方向後面(11)に対して軸方向前方にオフセットした位置に形成した請求項1に記載の磁気式荷重センサ。
- 前記フランジ部材(2)の前記荷重が入力される荷重作用面(6)と、前記フランジ部材(2)の支持部材(3)で支持される部分の軸方向前面(7)とが、段差(8)を介して連なる二平面である請求項1または2に記載の磁気式荷重センサ。
- 前記フランジ部材(2)の支持部材(3)で支持される被支持面(10)と、前記フランジ部材(2)の前記荷重が入力される部分の軸方向後面(11)とが、段差(12)を介して連なる二平面である請求項1から3のいずれかに記載の磁気式荷重センサ。
- 前記フランジ部材(2)の前記荷重が入力される荷重作用面(6)と、前記フランジ部材(2)の前記支持部材(3)で支持される被支持面(10)とを、同一平面上に位置するように形成した請求項1から4のいずれかに記載の磁気式荷重センサ。
- 前記磁気ターゲット(4)は、磁気ターゲット(4)と磁気センサ(5)の軸方向の相対変位方向である軸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(19)を軸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)が配置されている請求項1から5のいずれかに記載の磁気式荷重センサ。
- 前記フランジ部材(2)の荷重作用面(6)と前記フランジ部材(2)の前面側の段差(8)との間に両者を滑らかにつなぐ断面円弧状の隅R部(9)を形成した請求項3に記載の磁気式荷重センサ。
- 前記フランジ部材(2)の被支持面(10)と前記フランジ部材(2)の後面側の段差(12)とが交差する位置に、円弧状の断面をもつ盗み溝(13)を形成した請求項4に記載の磁気式荷重センサ。
- 前記支持部材(3)が、前記フランジ部材(2)の外径側端部の軸方向後面を支持する環状の支持部(14)と、前記フランジ部材(2)の外周に締め代をもって嵌合するように前記支持部(14)の外径側に形成された嵌合筒部(15)とを有する請求項1から8のいずれかに記載の磁気式荷重センサ。
- 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備えた電動ブレーキ装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012155528A JP5877134B2 (ja) | 2012-07-11 | 2012-07-11 | 磁気式荷重センサおよび電動ブレーキ装置 |
EP13817176.4A EP2873957B1 (en) | 2012-07-11 | 2013-07-09 | Magnetic load sensor and electric brake device |
US14/413,713 US9528889B2 (en) | 2012-07-11 | 2013-07-09 | Magnetic load sensor unit and electric brake system |
CN201710043598.6A CN107063516A (zh) | 2012-07-11 | 2013-07-09 | 直动促动器 |
CN201380028576.2A CN104428646B (zh) | 2012-07-11 | 2013-07-09 | 磁式负载传感器以及电动制动装置 |
PCT/JP2013/068724 WO2014010582A1 (ja) | 2012-07-11 | 2013-07-09 | 磁気式荷重センサおよび電動ブレーキ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012155528A JP5877134B2 (ja) | 2012-07-11 | 2012-07-11 | 磁気式荷重センサおよび電動ブレーキ装置 |
Related Child Applications (1)
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JP2016010767A Division JP6055125B2 (ja) | 2016-01-22 | 2016-01-22 | 直動アクチュエータ |
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JP2014016307A JP2014016307A (ja) | 2014-01-30 |
JP5877134B2 true JP5877134B2 (ja) | 2016-03-02 |
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JP2012155528A Active JP5877134B2 (ja) | 2012-07-11 | 2012-07-11 | 磁気式荷重センサおよび電動ブレーキ装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9528889B2 (ja) |
EP (1) | EP2873957B1 (ja) |
JP (1) | JP5877134B2 (ja) |
CN (2) | CN107063516A (ja) |
WO (1) | WO2014010582A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5833405B2 (ja) * | 2011-10-11 | 2015-12-16 | Ntn株式会社 | 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 |
JP5947229B2 (ja) * | 2013-01-10 | 2016-07-06 | Ntn株式会社 | 磁気式荷重センサおよび電動ブレーキ装置 |
JP6505399B2 (ja) * | 2014-09-02 | 2019-04-24 | Ntn株式会社 | 車両ブレーキ装置用荷重センサ、電動式直動アクチュエータおよび電動ブレーキ装置 |
JP6133360B2 (ja) | 2015-06-01 | 2017-05-24 | Ntn株式会社 | 電動ブレーキ装置 |
WO2017217202A1 (ja) * | 2016-06-16 | 2017-12-21 | Ntn株式会社 | 電動式直動アクチュエータおよび電動ブレーキ装置 |
JP6739262B2 (ja) * | 2016-07-07 | 2020-08-12 | Ntn株式会社 | 電動式直動アクチュエータおよび電動ブレーキ装置 |
WO2017221939A1 (ja) * | 2016-06-21 | 2017-12-28 | Ntn株式会社 | 電動ブレーキ装置 |
JP6862115B2 (ja) * | 2016-07-13 | 2021-04-21 | Ntn株式会社 | 電動ブレーキ装置 |
JP2018105806A (ja) | 2016-12-28 | 2018-07-05 | Ntn株式会社 | 荷重センサおよび電動ブレーキ装置 |
US11345043B2 (en) * | 2018-07-02 | 2022-05-31 | Flexiv Ltd. | Axial force sensor, robot gripper, and robot having the same |
US11493407B2 (en) | 2018-09-28 | 2022-11-08 | Ge Avio S.R.L. | Torque measurement system |
CN116068325B (zh) * | 2023-03-17 | 2023-07-18 | 西安交通大学城市学院 | 一种高低压配电柜负载检测装置 |
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JP5778513B2 (ja) | 2011-07-28 | 2015-09-16 | Ntn株式会社 | 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 |
JP5735882B2 (ja) | 2011-08-02 | 2015-06-17 | Ntn株式会社 | 磁気式荷重センサ |
JP5833405B2 (ja) | 2011-10-11 | 2015-12-16 | Ntn株式会社 | 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 |
-
2012
- 2012-07-11 JP JP2012155528A patent/JP5877134B2/ja active Active
-
2013
- 2013-07-09 WO PCT/JP2013/068724 patent/WO2014010582A1/ja active Application Filing
- 2013-07-09 US US14/413,713 patent/US9528889B2/en active Active
- 2013-07-09 CN CN201710043598.6A patent/CN107063516A/zh active Pending
- 2013-07-09 CN CN201380028576.2A patent/CN104428646B/zh active Active
- 2013-07-09 EP EP13817176.4A patent/EP2873957B1/en active Active
Also Published As
Publication number | Publication date |
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JP2014016307A (ja) | 2014-01-30 |
EP2873957A4 (en) | 2015-09-02 |
US20150204736A1 (en) | 2015-07-23 |
CN104428646A (zh) | 2015-03-18 |
CN107063516A (zh) | 2017-08-18 |
CN104428646B (zh) | 2017-02-22 |
WO2014010582A1 (ja) | 2014-01-16 |
US9528889B2 (en) | 2016-12-27 |
EP2873957B1 (en) | 2018-04-11 |
EP2873957A1 (en) | 2015-05-20 |
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