JP2008275137A - 相対変位測定センサーが設けられたダンパー - Google Patents
相対変位測定センサーが設けられたダンパー Download PDFInfo
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- JP2008275137A JP2008275137A JP2007132562A JP2007132562A JP2008275137A JP 2008275137 A JP2008275137 A JP 2008275137A JP 2007132562 A JP2007132562 A JP 2007132562A JP 2007132562 A JP2007132562 A JP 2007132562A JP 2008275137 A JP2008275137 A JP 2008275137A
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- 238000006073 displacement reaction Methods 0.000 title description 2
- 238000005259 measurement Methods 0.000 title 1
- 239000012530 fluid Substances 0.000 claims abstract description 31
- 230000033001 locomotion Effects 0.000 claims abstract description 15
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- 239000000758 substrate Substances 0.000 claims description 5
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- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 claims description 3
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- 239000000696 magnetic material Substances 0.000 claims 1
- 238000013016 damping Methods 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- ZLGYJAIAVPVCNF-UHFFFAOYSA-N 1,2,4-trichloro-5-(3,5-dichlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC(C=2C(=CC(Cl)=C(Cl)C=2)Cl)=C1 ZLGYJAIAVPVCNF-UHFFFAOYSA-N 0.000 description 6
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- JHJMZCXLJXRCHK-UHFFFAOYSA-N 1,2,3,4,5-pentachloro-6-(3-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C(=C(Cl)C(Cl)=C(Cl)C=2Cl)Cl)=C1 JHJMZCXLJXRCHK-UHFFFAOYSA-N 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
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- RMPWIIKNWPVWNG-UHFFFAOYSA-N 1,2,3,4-tetrachloro-5-(2,3,4-trichlorophenyl)benzene Chemical compound ClC1=C(Cl)C(Cl)=CC=C1C1=CC(Cl)=C(Cl)C(Cl)=C1Cl RMPWIIKNWPVWNG-UHFFFAOYSA-N 0.000 description 1
- YFSLABAYQDPWPF-UHFFFAOYSA-N 1,2,3-trichloro-4-(2,3,5-trichlorophenyl)benzene Chemical compound ClC1=CC(Cl)=C(Cl)C(C=2C(=C(Cl)C(Cl)=CC=2)Cl)=C1 YFSLABAYQDPWPF-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
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- 230000008054 signal transmission Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3292—Sensor arrangements
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/535—Magnetorheological [MR] fluid dampers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Fluid-Damping Devices (AREA)
Abstract
【解決手段】内部に中空部を有するシリンダー11と、シリンダーの上部から挿入され、表面に多数の凹部と多数の凸部が交代に形成されたグルーブパターンを有するピストンロッド13と、ピストンロッドの端部に連結されてシリンダーの内部で往復運動を行い、上下に貫通された流体通過孔を有するピストンバルブ12と、シリンダーの上端を密閉しながらピストンロッドの直線運動をガイドし、一側に貫通孔を有するロッドガイド14と、ロッドガイドに結合し、ピストンロッドが移動するとき発生する磁場の変化を用いてピストンロッドの動きを非接触式に感知するセンサーモジュール100とを含むダンパー10に関するものである。
【選択図】図1
Description
11:シリンダー
12:ピストンバルブ
13:ピストンロッド
14:ロッドガイド
15:貫通孔
100:センサーモジュール
110:ハウジング
112:開口部
120:第1のPCB
130:GMRセンサー
140:永久磁石
150:信号処理部
152:信号増幅部
154:デジタル変換部
160:第2のPCB
170:電源/信号線
Claims (13)
- 内部に中空部を有するシリンダー;
前記シリンダーの上部から挿入され、表面に多数の凹部と多数の凸部が交代に形成されたグルーブパターンを有するピストンロッド;
前記ピストンロッドの端部に連結されて前記シリンダーの内部で往復運動を行い、上下に貫通された流体通過孔を有するピストンバルブ;
前記シリンダーの上端を密閉しながら前記ピストンロッドの直線運動をガイドするロッドガイド;
前記ロッドガイドに結合し、前記ピストンロッドが移動するとき発生する磁場の変化を用いて前記ピストンロッドの動きを非接触式に感知するセンサーモジュール;
とを含むことを特徴とするダンパー。 - 前記ピストンロッドの前記グルーブパターンは、前記ピストンロッドの移動方向について実質的に垂直方向に形成されることを特徴とする請求項1に記載のダンパー。
- 前記ピストンロッドの表面には前記グルーブパターンを平坦にカバーするために非磁性物質で鍍金層が形成されることを特徴とする請求項1に記載のダンパー。
- 前記シリンダーの内部には、磁気粘性流体が充填され、前記ピストンバルブの内部には前記流体通過孔を通じた前記磁気粘性流体の流動を制御するためのソレノイドコイルが設けられることを特徴とする請求項1に記載のダンパー。
- 前記ロッドガイドの側部には、前記センサーモジュールを結合するための貫通孔が形成されることを特徴とする請求項1に記載のダンパー。
- 前記センサーモジュールは、
磁場を発生させる磁石;
前記磁石と前記ピストンロッドとの間に位置し、磁場の変化を感知して電気的信号を出力する巨大磁気抵抗(GMR)センサー;
前記巨大磁気抵抗センサーの出力信号を処理して矩形波を出力する信号処理部;
前記磁石、前記巨大磁気抵抗センサー;及び
前記信号処理部を支持するハウジング;
とを含むことを特徴とする請求項1に記載のダンパー。 - 前記GMRセンサーは、第1の抵抗素子及び第2の抵抗素子の直列連結対と第3の抵抗素子及び第4の抵抗素子の直列連結対が互いに並列に連結される構造を有し、
前記電気的信号は、前記第1の抵抗素子及び前記第2の抵抗素子の間の第1のノードと前記第3の抵抗素子及び前記第4の抵抗素子の間の第2のノードの間で磁場の変化に応じて発生する出力電圧であることを特徴とする請求項6に記載のダンパー。 - 前記GMRセンサーは、それぞれ磁場の変化を感知して電気的信号を出力する第1のサブセンサー及び第2のサブセンサーを備え、
前記第1のサブセンサーの先端部と前記第2のサブセンサーの先端部は前記ピストンロッドの移動方向に沿って離隔されており、前記ピストンロッドが移動すれば、前記第1のサブセンサーの出力信号と前記第2のサブセンサーの出力信号が時差を置いて生成されることを特徴とする請求項6に記載のダンパー。 - 前記信号処理部は、
前記GMRセンサーの出力信号を増幅する信号増幅部;
前記信号増幅部で増幅された信号を矩形波に変換して外部に伝送するデジタル変換部;
とを含むことを特徴とする請求項6に記載のダンパー。 - 前記ハウジングは、一端に開口部を備え、前記GMRセンサーは前記開口部を密閉するPCB基板の外側に搭載されることを特徴とする請求項6に記載のダンパー。
- 前記GMRセンサーの外側には保護カバーが設けられることを特徴とする請求項10に記載のダンパー。
- 前記磁石は、前記PCB基板の内側に固定される永久磁石であることを特徴とする請求項10に記載のダンパー。
- 前記ハウジングの内側には、前記信号処理部と付属回路を搭載する第2のPCB基板が設けられ、前記PCB基板と前記第2のPCB基板はFPCBを通じて電気的に連結されることを特徴とする請求項10に記載のダンパー。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2007-0040776 | 2007-04-26 | ||
KR1020070040776A KR100833329B1 (ko) | 2007-04-26 | 2007-04-26 | 상대변위 측정 센서가 설치된 댐퍼 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008275137A true JP2008275137A (ja) | 2008-11-13 |
JP4890348B2 JP4890348B2 (ja) | 2012-03-07 |
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Application Number | Title | Priority Date | Filing Date |
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JP2007132562A Active JP4890348B2 (ja) | 2007-04-26 | 2007-05-18 | 相対変位測定センサーが設けられたダンパー |
Country Status (3)
Country | Link |
---|---|
US (1) | US7992692B2 (ja) |
JP (1) | JP4890348B2 (ja) |
KR (1) | KR100833329B1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101305935B1 (ko) | 2013-05-27 | 2013-09-09 | 케이.엘.이.에스 주식회사 | 배관용 다차원 완충장치 |
Families Citing this family (17)
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EP2036746B1 (en) * | 2007-09-17 | 2014-07-23 | S & T Daewoo Co., Ltd. | Sensor module comprising acceleration sensor and relative displacement sensor, damper and electronically controllable suspension system comprising the same, and method of controlling vehicle movement using the same |
US8616351B2 (en) | 2009-10-06 | 2013-12-31 | Tenneco Automotive Operating Company Inc. | Damper with digital valve |
US9217483B2 (en) | 2013-02-28 | 2015-12-22 | Tenneco Automotive Operating Company Inc. | Valve switching controls for adjustable damper |
WO2014134500A1 (en) | 2013-02-28 | 2014-09-04 | Tenneco Automotive Operating Company Inc. | Damper with integrated electronics |
US9884533B2 (en) | 2013-02-28 | 2018-02-06 | Tenneco Automotive Operating Company Inc. | Autonomous control damper |
US9879746B2 (en) | 2013-03-15 | 2018-01-30 | Tenneco Automotive Operating Company Inc. | Rod guide system and method with multiple solenoid valve cartridges and multiple pressure regulated valve assemblies |
BR112015023459A2 (pt) | 2013-03-15 | 2017-07-18 | Tenneco Automotive Operating Co Inc | conjunto de guia de haste com conjunto de válvula multipeças |
US9163691B2 (en) | 2013-03-15 | 2015-10-20 | Tenneco Automotive Operating Company Inc. | Rod guide arrangement for electronically controlled valve applications |
US9879748B2 (en) | 2013-03-15 | 2018-01-30 | Tenneco Automotive Operating Company Inc. | Two position valve with face seal and pressure relief port |
DE102013010671A1 (de) * | 2013-06-26 | 2014-12-31 | Liebherr-Aerospace Lindenberg Gmbh | Sensorvorrichtung |
JP2016161048A (ja) * | 2015-03-02 | 2016-09-05 | Kyb株式会社 | 緩衝器 |
KR20160129951A (ko) | 2015-04-30 | 2016-11-10 | 현대로템 주식회사 | 센서가 설치된 엠알 현가장치 |
US10479160B2 (en) | 2017-06-06 | 2019-11-19 | Tenneco Automotive Operating Company Inc. | Damper with printed circuit board carrier |
US10588233B2 (en) | 2017-06-06 | 2020-03-10 | Tenneco Automotive Operating Company Inc. | Damper with printed circuit board carrier |
CN107781345B (zh) * | 2017-12-05 | 2023-12-12 | 华东交通大学 | 一种可检测活塞位移的磁流变阻尼器 |
CN107882915B (zh) * | 2017-12-13 | 2023-12-12 | 华东交通大学 | 内置距离传感器进行位移检测的集成型磁流变阻尼器 |
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2007
- 2007-04-26 KR KR1020070040776A patent/KR100833329B1/ko active IP Right Grant
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- 2007-07-20 US US11/780,708 patent/US7992692B2/en active Active
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JP2006273222A (ja) * | 2005-03-30 | 2006-10-12 | Honda Motor Co Ltd | 可変減衰力ダンパーの制御装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101305935B1 (ko) | 2013-05-27 | 2013-09-09 | 케이.엘.이.에스 주식회사 | 배관용 다차원 완충장치 |
WO2014193087A1 (ko) * | 2013-05-27 | 2014-12-04 | 케이.엘.이.에스 주식회사 | 배관용 다차원 완충장치 |
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US20080264743A1 (en) | 2008-10-30 |
JP4890348B2 (ja) | 2012-03-07 |
US7992692B2 (en) | 2011-08-09 |
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