JP2012133365A - 回転機械のオンライン監視のためのシステム及び方法 - Google Patents
回転機械のオンライン監視のためのシステム及び方法 Download PDFInfo
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/003—Arrangements for testing or measuring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/04—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
- G02B23/2423—Optical details of the distal end
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
- G02B23/2492—Arrangements for use in a hostile environment, e.g. a very hot, cold or radioactive environment
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0875—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more refracting elements
- G02B26/0883—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more refracting elements the refracting element being a prism
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/108—Scanning systems having one or more prisms as scanning elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Abstract
【解決手段】システムは、タービンシステムなどの回転機械の内部と光学的に連通するよう構成された光学監視システムを含む。光学監視システムは、検出器アレイから回転機械の構成要素であるタービンブレード56に延びる光学的接続部38を含み、回転機械が作動中である間、回転機械の内部の構成要素56の異なる領域108等に向けて視野98、102を再配向し、各領域108等の画像を取り込むよう構成される。
【選択図】図4
Description
ここで、(x、y)は2次元画像114上の各点の座標、(u,v)は3次元モデルの2次元投影116上の各対応点の座標、並びにa0、a1、a2、a3、b0、b1、b2、及びb3は、双1次変換を定めるパラメータである。図示の実施形態は、2次元画像114の4つの基準点を3次元モデルの2次元投影116上の4つの対応点にマッピングしているので、上記の一組の式に基づいて合計で8つの式(各点につき2つずつ)が生成されることになる。その結果、8つの式は、双1次変換を定める8つのパラメータ(a0、a1、a2、a3、b0、b1、b2、及びb3)について解くことができる。4つよりも多い点が利用される場合には、最小二乗法を利用して8つのパラメータを求めることができる。
12 燃料噴射器
14 供給燃料源
16 燃焼器
18 タービン
19 シャフト
20 排気出口
22 圧縮機
24 吸気口
26 負荷
30 空気
32 加圧空気
34 燃料空気混合気
36 光学監視システム
38 光学的接続部3
40 検出器アレイ
42 回転機構
44 並進機構
46 コントローラ
48 高温ガスストリーム
50 軸方向
52 円周方向
54 第1段ベーン
56 第1段ブレード
58 タービンロータ
60 第2段ベーン
62 第2段ブレード
64 端壁
66 半径方向
68 プラットフォーム
70 シャンク
72 エンジェルウィング
74 タービンシュラウド
76 検査ポート
78 光再配向装置
80 回転軸
82 回転方向
84 プリズムの第1の角度
86 プリズムの第2の角度
88 反射コーティング
90 例示的な光線
92 例示的な光線と回転軸との間の角度
94 視野角
96 焦点調整機構
97 内側コア
98 第1の視野
99 外層
100 第1のタービンブレード位置
101 光源
102 第2の視野
104 第2のタービンブレード位置
106 負圧面
108 負圧面の第1の領域
110 正圧面
112 正圧面の第2の領域
114 2次元画像
116 3次元モデルの2次元投影
118 スラッシュ面
120 第1の基準点
122 第2の基準点
124 第3の基準点
126 第4の基準点
128 第1の対応点
130 第2の対応点
132 第3の対応点
134 第4の対応点
136 方法のフローチャート
138 タービン構成要素の異なる領域に向けて視野を再配向する
140 各領域の画像を取り込む
142 各領域の画像をタービン構成要素の3次元モデル上にマッピングする
Claims (10)
- 回転機械(18)の内部と光学的に連通するよう構成された光学監視システム(36)を備え、前記光学監視システム(36)は、前記回転機械(18)が作動中の間に該回転機械(18)の内部の構成要素(56)の異なる領域(108、112)に向けて視野(98、102)を再配向し、前記各領域(108、112)の画像(114)を取り込むよう構成されている、システム(10)。
- 前記光学監視システム(36)が、回転軸線(80)の周りで前記視野(98、102)を回転可能に再配向するよう構成された光再配向装置(78)を含む、請求項1に記載のシステム(10)。
- 前記光再配向装置(78)がプリズムを含む、請求項2に記載のシステム(10)。
- 前記光学監視システム(36)が、前記光再配向装置(78)を回転駆動するよう構成された回転機構(42)を含む、請求項2に記載のシステム(10)。
- 前記光学監視システム(36)が、前記構成要素(56)に対して前記光再配向装置(78)を移動させるよう構成された並進機構(44)を含む、請求項2に記載のシステム(10)。
- 前記光学監視システム(36)が、前記各領域(108、112)の画像(114)を取り込むよう構成された検出器アレイ(40)を含む、請求項1に記載のシステム(10)。
- 前記光学監視システム(36)が、前記検出器アレイ(40)上に前記各領域(108、112)の画像(114)を自動的に合焦するよう構成された焦点調整機構(96)を含む、請求項6に記載のシステム(10)。
- 前記光学監視システム(36)が、前記構成要素(56)を照射するよう構成された光源(101)を含む、請求項1に記載のシステム(10)。
- 前記光学監視システム(36)が、前記各領域(108、112)の画像(114)を前記構成要素(56)の3次元モデル上にマッピングするよう構成されたコントローラ(46)を含む、請求項1に記載のシステム(10)。
- 前記光学監視システム(36)が、前記回転機械(18)のケーシング内の検査ポート(76)を介して前記回転機械(18)の内部と光学的に連通するよう構成されている、請求項1に記載のシステム(10)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/976,813 US8431917B2 (en) | 2010-12-22 | 2010-12-22 | System and method for rotary machine online monitoring |
US12/976,813 | 2010-12-22 |
Publications (3)
Publication Number | Publication Date |
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JP2012133365A true JP2012133365A (ja) | 2012-07-12 |
JP2012133365A5 JP2012133365A5 (ja) | 2015-09-03 |
JP5993142B2 JP5993142B2 (ja) | 2016-09-14 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2011278140A Active JP5993142B2 (ja) | 2010-12-22 | 2011-12-20 | 回転機械のオンライン監視のためのシステム及び方法 |
Country Status (5)
Country | Link |
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US (1) | US8431917B2 (ja) |
JP (1) | JP5993142B2 (ja) |
CN (1) | CN102589843B (ja) |
DE (1) | DE102011056643A1 (ja) |
FR (1) | FR2969891B1 (ja) |
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JP2015528277A (ja) * | 2012-07-24 | 2015-09-24 | シーメンス アクティエンゲゼルシャフト | 電気機械の監視システム |
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- 2010-12-22 US US12/976,813 patent/US8431917B2/en active Active
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2011
- 2011-12-19 DE DE102011056643A patent/DE102011056643A1/de active Pending
- 2011-12-20 JP JP2011278140A patent/JP5993142B2/ja active Active
- 2011-12-21 FR FR1162223A patent/FR2969891B1/fr not_active Expired - Fee Related
- 2011-12-22 CN CN201110461566.0A patent/CN102589843B/zh not_active Expired - Fee Related
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JPH11309A (ja) * | 1997-06-12 | 1999-01-06 | Hitachi Ltd | 画像処理装置 |
JPH11281897A (ja) * | 1998-03-27 | 1999-10-15 | Olympus Optical Co Ltd | 内視鏡 |
US20090027665A1 (en) * | 2007-07-26 | 2009-01-29 | Erik Matthew Ogburn | Methods and systems for in-situ machinery inspection |
JP2009031288A (ja) * | 2007-07-26 | 2009-02-12 | General Electric Co <Ge> | 現場機械検査のための方法及びシステム |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2015528277A (ja) * | 2012-07-24 | 2015-09-24 | シーメンス アクティエンゲゼルシャフト | 電気機械の監視システム |
US9847700B2 (en) | 2012-07-24 | 2017-12-19 | Siemens Aktiengesellschaft | Monitoring system for an electric machine |
Also Published As
Publication number | Publication date |
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FR2969891A1 (fr) | 2012-06-29 |
FR2969891B1 (fr) | 2017-07-21 |
CN102589843A (zh) | 2012-07-18 |
DE102011056643A1 (de) | 2012-06-28 |
US8431917B2 (en) | 2013-04-30 |
US20120162192A1 (en) | 2012-06-28 |
CN102589843B (zh) | 2016-04-06 |
JP5993142B2 (ja) | 2016-09-14 |
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