JPH0348143U - - Google Patents

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Publication number
JPH0348143U
JPH0348143U JP10835689U JP10835689U JPH0348143U JP H0348143 U JPH0348143 U JP H0348143U JP 10835689 U JP10835689 U JP 10835689U JP 10835689 U JP10835689 U JP 10835689U JP H0348143 U JPH0348143 U JP H0348143U
Authority
JP
Japan
Prior art keywords
vibration
rotating machine
acceleration
self
circuit
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.)
Pending
Application number
JP10835689U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP10835689U priority Critical patent/JPH0348143U/ja
Publication of JPH0348143U publication Critical patent/JPH0348143U/ja
Pending legal-status Critical Current

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  • Vibration Prevention Devices (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例を示す制振装置の一
部断面平面図、第２図は第１図の一部断面側面図
、第３図は制御回路を示すブロツク線図である。 １……制振装置、２……ケーシング、３……立
軸回転機械の頂部、４，５……加速度センサ、６
……可動平板、６ａ……ばね、７ａ，７ｂ，８ａ
，８ｂ……電磁石、９，９ａ，９ｂ……励磁コイ
ル、１１……センサアンプ、１２……位相補償回
路、１４ａ，１４ｂ……直線検波回路、１５ａ，
１５ｂ……電力増幅器。 FIG. 1 is a partially sectional plan view of a vibration damping device showing an embodiment of the present invention, FIG. 2 is a partially sectional side view of FIG. 1, and FIG. 3 is a block diagram showing a control circuit. DESCRIPTION OF SYMBOLS 1... Vibration damping device, 2... Casing, 3... Top of vertical shaft rotating machine, 4, 5... Acceleration sensor, 6
...Movable flat plate, 6a...Spring, 7a, 7b, 8a
, 8b... Electromagnet, 9, 9a, 9b... Excitation coil, 11... Sensor amplifier, 12... Phase compensation circuit, 14a, 14b... Linear detection circuit, 15a,
15b...Power amplifier.

Claims (1)

【実用新案登録請求の範囲】 １ 立軸回転機械において、直交する２方向に加
振可能な自励式加振器と振動加速度検出装置とを
内蔵する制振装置を、回転機械の頂部近傍に設置
し、上記振動加速度検出装置により該回転機械の
振動加速度を検出し、該振動加速度を相殺する加
速度を上記自励式加振器より発生させて該回転機
械の制振を行わせるようにしたことを特徴とする
立軸回転機械の制振装置。 ２ 自励式加振器を、水平方向に自由に動けるよ
うに弾性支持された可動平板と、水平面内の直交
する２方向に上記可動平板に対向させて固定され
た２組の電磁石とを内部に取付け立軸回転機械頂
部近傍に設置されるケーシングと、該ケーシング
に取付けられた直交２方向のセンサからの信号を
入力して位相の補償を行なう位相補償回路、直線
検波回路及び電力増幅器等からなる制御回路によ
つて構成し、該制御回路を介して前記電磁石の励
磁コイルに所定の電流を流すことにより該回転機
械の加速度を零に近づけるようにしたことを特徴
とする請求項１記載の立軸回転機械の制振装置。[Scope of Claim for Utility Model Registration] 1. In a vertical shaft rotating machine, a vibration damping device incorporating a self-excited vibrator capable of vibration in two orthogonal directions and a vibration acceleration detection device is installed near the top of the rotating machine. , characterized in that the vibration acceleration of the rotating machine is detected by the vibration acceleration detection device, and the self-excited vibrator generates an acceleration that cancels out the vibration acceleration, thereby damping the vibration of the rotating machine. Vibration damping device for vertical shaft rotating machinery. 2. A self-excited vibrator is equipped with a movable flat plate that is elastically supported so that it can move freely in the horizontal direction, and two sets of electromagnets that are fixed facing the movable flat plate in two orthogonal directions in the horizontal plane. Installation Control consisting of a casing installed near the top of the vertical rotating machine, a phase compensation circuit that inputs signals from two orthogonal sensors attached to the casing and compensates for the phase, a linear detection circuit, a power amplifier, etc. 2. The vertical axis rotation according to claim 1, wherein the vertical axis rotation is configured by a circuit, and the acceleration of the rotating machine is brought close to zero by passing a predetermined current through the excitation coil of the electromagnet through the control circuit. Machine vibration damping device.
JP10835689U 1989-09-18 1989-09-18 Pending JPH0348143U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10835689U JPH0348143U (en) 1989-09-18 1989-09-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10835689U JPH0348143U (en) 1989-09-18 1989-09-18

Publications (1)

Publication Number Publication Date
JPH0348143U true JPH0348143U (en) 1991-05-08

Family

ID=31656997

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10835689U Pending JPH0348143U (en) 1989-09-18 1989-09-18

Country Status (1)

Country Link
JP (1) JPH0348143U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007032626A (en) * 2005-07-25 2007-02-08 Toshiba Corp Dynamic vibration absorber for rotating machinery
JP2018503786A (en) * 2015-01-07 2018-02-08 ビ−エイイ− システムズ パブリック リミテッド カンパニ−ＢＡＥ ＳＹＳＴＥＭＳ ｐｌｃ Improvements in and related to electromechanical actuators

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59161566A (en) * 1983-03-07 1984-09-12 三菱電機株式会社 Vibration control apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59161566A (en) * 1983-03-07 1984-09-12 三菱電機株式会社 Vibration control apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007032626A (en) * 2005-07-25 2007-02-08 Toshiba Corp Dynamic vibration absorber for rotating machinery
JP2018503786A (en) * 2015-01-07 2018-02-08 ビ−エイイ− システムズ パブリック リミテッド カンパニ−ＢＡＥ ＳＹＳＴＥＭＳ ｐｌｃ Improvements in and related to electromechanical actuators

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