JPH08313221A - Equipment for picking up continuous image of rotating body - Google Patents

Equipment for picking up continuous image of rotating body

Info

Publication number
JPH08313221A
JPH08313221A JP11700095A JP11700095A JPH08313221A JP H08313221 A JPH08313221 A JP H08313221A JP 11700095 A JP11700095 A JP 11700095A JP 11700095 A JP11700095 A JP 11700095A JP H08313221 A JPH08313221 A JP H08313221A
Authority
JP
Japan
Prior art keywords
rotating body
image
rotation
opening command
window opening
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.)
Granted
Application number
JP11700095A
Other languages
Japanese (ja)
Other versions
JP2994987B2 (en
Inventor
Sunao Umemura
直 梅村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP7117000A priority Critical patent/JP2994987B2/en
Publication of JPH08313221A publication Critical patent/JPH08313221A/en
Application granted granted Critical
Publication of JP2994987B2 publication Critical patent/JP2994987B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Image Analysis (AREA)

Abstract

PURPOSE: To realize equipment making possible continuous and accurate observation of a change in the shape of a rotating body occurring while the rotating body rotates one time. CONSTITUTION: This equipment has a rotation sensor 3 detecting a rotational position of a rotating body 5 in rotation and outputting a rotation signal, a window opening command signal device 6 receiving the rotation signal as an input and outputting an window opening command signal, sensors 2 for image sensing which receive the window opening command signal as an input and each of which senses the image of a part of the rotating body 5 and an image processing device 8 which receives the sensed image of the rotating body 5 as an input, subjects it to a prescribed processing and outputs it. As the results, it is possible to observe continuously, on the basis of a precise image, a change in the shape of a specified part occurring while the rotating body 5 rotates one time, to observe the sensed image in comparison with a reference image and to analyze the state of the change in the shape.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、コンピュータディス
ク、タービン、ファンなどの回転する物体の観察に適用
される回転体の連続映像撮影装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a continuous image capturing device for a rotating body, which is applied to observe a rotating object such as a computer disk, a turbine and a fan.

【0002】[0002]

【従来の技術】従来の回転体の映像撮影装置について、
図3により説明する。図3に示す従来の装置において、
回転体であるファン5の翼4の回転中の状態を撮影する
場合、ケーシング1に取付けた回転センサ3がファン5
の回転軸5a に設けた回転マーク3a を検出し信号を出
力する。
2. Description of the Related Art Regarding a conventional image capturing device for a rotating body,
This will be described with reference to FIG. In the conventional device shown in FIG. 3,
When photographing the rotating state of the blades 4 of the fan 5, which is a rotating body, the rotation sensor 3 attached to the casing 1 is used as the fan 5.
The rotation mark 3 a provided on the rotation shaft 5 a of the above is detected and a signal is output.

【0003】この信号は回転信号発生器06に入力さ
れ、同発生器06は回転軸5a が1回転する毎に1回の
パルス出力である回転信号を出力し、位相調整装置07
を介してこの回転信号を入力した光源コントローラ08
はその都度光を放射する。
[0003] This signal is input to the rotary signal generator 06, the generator 06 outputs a rotation signal once a pulse output whenever the rotary shaft 5 a rotates once, the phase adjuster 07
The light source controller 08 to which this rotation signal is input via
Emits light each time.

【0004】上記光源コントローラ08が放射した光は
送光ケーブル09を介して撮影対象の翼4に照射され、
光が照射されている間、ファン5のケーシング1の特定
の1個所に据付けられたセンサ(カメラ)02により翼
4が撮影され、その映像は受光ケーブル010を介して
受像装置011により受像され、画像処理装置012に
より画像処理された後、記録装置013に記録されてい
た。
The light emitted from the light source controller 08 is applied to the wing 4 to be photographed through the light transmitting cable 09,
While the light is being radiated, the blade (4) is photographed by the sensor (camera) 02 installed at a specific one place of the casing 1 of the fan 5, and the image thereof is received by the image receiving device 011 via the light receiving cable 010, After being image-processed by the image processing device 012, it was recorded in the recording device 013.

【0005】[0005]

【発明が解決しようとする課題】従来の装置において、
回転体に取付けられて回転する物体の動きを精密に観察
する場合、着目する部分を拡大して映像化する必要があ
るが、物体が動いているため、その部分を継続して撮影
することができず、精密な映像が得られなかった。
In the conventional device,
When precisely observing the movement of a rotating object attached to a rotating body, it is necessary to magnify the part of interest and visualize it.However, since the object is moving, it may be necessary to continuously shoot that part. I couldn't, and I couldn't get a precise image.

【0006】また、回転体が1回転する間に物体に生じ
る変化については、撮影することができなかった。本発
明は上記の課題を解決しようとするものである。
Further, it has not been possible to photograph the change that occurs in the object while the rotating body makes one revolution. The present invention is intended to solve the above problems.

【0007】[0007]

【課題を解決するための手段】本発明の回転体の連続映
像撮影装置は、回転体の周方向に複数個配設され固定部
に固定されそれぞれが回転体の一部を撮影する撮影用セ
ンサ、固定部に固定され上記回転体に設けられた回転マ
ークを検出し回転中の回転体の回転位置を検出する回転
センサ、同回転センサより回転信号を入力し上記回転体
の回転と同期したウインド開指令信号を上記それぞれの
撮影用センサへ出力するウインド開指令信号装置、およ
び上記撮影用センサが撮影した映像を入力し回転体の特
定部位の映像を並べて出力し、また基準画像と対比して
出力する映像処理装置を備えたことを特徴としている。
According to the present invention, there is provided a continuous image capturing apparatus for a rotating body, wherein a plurality of sensors are arranged in the circumferential direction of the rotating body and are fixed to a fixed portion, each of which is for photographing a part of the rotating body. A rotation sensor that is fixed to a fixed portion and that detects a rotation mark provided on the rotating body to detect the rotational position of the rotating rotating body; and a window that receives a rotation signal from the rotation sensor and that is synchronized with the rotation of the rotating body. A window opening command signal device that outputs an opening command signal to each of the above-mentioned imaging sensors, and an image taken by the above-mentioned imaging sensor is input and the images of a specific portion of the rotating body are output side by side, and also compared with a reference image. It is characterized by having a video processing device for outputting.

【0008】[0008]

【作用】上記において、ウインド開指令信号装置は、回
転センサが出力する回転信号より回転体の回転位置を入
力し、回転体の回転に同期してそれぞれの撮影用センサ
へウインド開指令信号を出力することができる。
In the above, the window opening command signal device inputs the rotational position of the rotating body from the rotation signal output from the rotation sensor, and outputs the window opening command signal to each photographing sensor in synchronization with the rotation of the rotating body. can do.

【0009】そのため、回転中の回転体の特定部位につ
いて、その部位がそれぞれの撮影用センサの近くを通過
するときに、ウインド開指令信号装置よりそれぞれの撮
影用センサへウインド開指令信号を出力することがで
き、それぞれの撮影用センサは上記特定部位を撮影する
ことができる。
Therefore, for a specific portion of the rotating body that is rotating, when the portion passes near the respective photographing sensors, the window opening command signal device outputs a window opening command signal to each photographing sensor. Each of the imaging sensors can image the specific portion.

【0010】上記それぞれの撮影用センサにより撮影さ
れた映像は、映像処理装置により特定部位の映像が撮影
された順に並べられて出力されるため、回転体が1回転
する間に特定部位に生じる変形を連続して観察すること
が可能となり、また、上記映像処理装置に予め基準画像
を入力しておき、撮影された映像をこれと対比して出力
することができるため、特定部位の変形状態の解析が可
能となる。
Since the images taken by the above-mentioned respective imaging sensors are arranged and output by the image processing device in the order in which the images of the specific part were taken, the deformations occurring at the specific part during one rotation of the rotating body. Can be continuously observed, and a reference image can be input in advance to the image processing device, and a captured image can be output in comparison with the reference image. Analysis is possible.

【0011】[0011]

【実施例】本発明の一実施例に係る映像撮影装置を図1
に示す。なお、本実施例は、ファン5の回転中の8枚の
翼4a ,4b ,…,4h の観察に適用された場合であ
る。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an image capturing apparatus according to an embodiment of the present invention.
Shown in The present embodiment is a case where it is applied to the observation of the eight blades 4 a , 4 b , ..., 4 h during rotation of the fan 5.

【0012】図1に示す本実施例は、ファン5のケーシ
ング1の周方向に所定の間隔を有して一列に配設されそ
れぞれ回転中の8枚の翼4a ,4b ,…,4h を撮影す
る12個のセンサ(カメラ)2a ,2b ,…,2l 、上
記ケーシング1に配設されファン5の回転軸5a に設け
られた回転マーク3a を検出して回転信号を出力する回
転センサ3、同回転センサ3より回転信号を入力してウ
インド開指令信号をそれぞれのセンサ(カメラ)2a
b ,…,2l へ出力するウインド開指令信号装置6、
同装置6よりウインド開指令信号を入力して翼4を撮影
したそれぞれのセンサ(カメラ)2a ,2b ,…,2l
より映像記憶装置7を介して映像を入力し処理する映像
処理装置8、および同装置8より処理映像を入力して出
力する映像出力装置9を備えている。
[0012] The embodiment shown in Figure 1, eight blades 4 a respectively arranged in a row in the circumferential direction of the casing 1 of the fan 5 with a predetermined gap in rotation, 4 b, ..., 4 Twelve sensors (cameras) 2 a , 2 b , ..., 2 l for photographing h , a rotation mark 3 a provided on the rotation shaft 5 a of the fan 5 arranged in the casing 1 are detected, and a rotation signal is detected. , A rotation sensor 3 which outputs a rotation signal from the rotation sensor 3 to output a window opening command signal to each sensor (camera) 2 a ,
2b , ..., 2l to output the window opening command signal device 6,
Sensors (cameras) 2 a , 2 b , ..., 2 l that photographed the wing 4 by inputting a window opening command signal from the device 6
A video processing device 8 for inputting and processing video through the video storage device 7, and a video output device 9 for inputting and outputting processed video from the device 8.

【0013】上記において、回転センサ3は、回転軸5
a に設けられた回転マーク3a を検出する毎に回転信号
を出力するため、図2(a)に示すように回転軸5a
1回転する毎に回転信号を出力し、ウインド開指令信号
装置6に入力する。
In the above, the rotation sensor 3 is the rotation shaft 5
Since the rotation signal is output every time the rotation mark 3 a provided on the a is detected, the rotation signal is output every time the rotary shaft 5 a makes one rotation as shown in FIG. Input to the device 6.

【0014】上記ウインド開指令信号装置6には、図1
(c)に示すように回転センサ3が回転マーク3a を検
出したときの翼4a の位置に対するそれぞれのセンサ
(カメラ)2a ,2b ,…,2l の取付角度φ1
φ2 ,…,φl 、およびセンサ(カメラ)2a ,2b
…,2l 間の取付角度θ1 ,θ2 ,…,θ8 が予め入力
されており、上記ウインド開指令信号装置6はこれらの
取付角度と一定速度で回転する回転軸5a の回転角速度
より、そのタイミングを算出してウインド開指令信号を
出力し、それぞれのセンサ(カメラ)2a ,2b ,…,
l のウインドを開とする。
The window opening command signal device 6 shown in FIG.
As shown in (c), when the rotation sensor 3 detects the rotation mark 3 a , the mounting angle φ 1 , of each sensor (camera) 2 a , 2 b , ..., 2 l with respect to the position of the blade 4 a ,
φ 2 , ..., φ l , and sensors (cameras) 2 a , 2 b ,
, 2 l are attached in advance to the installation angles θ 1 , θ 2 , ..., θ 8 , and the window opening command signal device 6 is rotated by these installation angles and the rotational angular velocity of the rotary shaft 5 a rotating at a constant speed. Then, the timing is calculated and the window opening command signal is output, and the respective sensors (cameras) 2 a , 2 b , ...,
Open the 2 liter window.

【0015】即ち、センサ2a については、図2(b)
に示すようにウインド開指令信号装置6が回転センサ3
より回転信号を入力した後、回転軸5a が角度φ1 回転
すると、翼4a がセンサ2a を通過するため、ウインド
開指令信号装置6は、回転軸5a が角度φ1 回転したと
きにウインド開信号をセンサ2a へ出力して、センサ2
a が翼4a を撮影する。
That is, as for the sensor 2a , FIG.
As shown in FIG.
When the rotary shaft 5 a rotates by an angle φ 1 after the rotation signal is input, the blade 4 a passes the sensor 2 a , so that the window opening command signal device 6 operates when the rotary shaft 5 a rotates by an angle φ 1. Output a window open signal to sensor 2a
a shoots wing 4 a .

【0016】更に、回転軸5a が角度θ1 回転すると、
今度は翼4b が通過するため、回転軸5a が角度φ1
θ1 回転したときにウインド開指令信号をセンサ2a
出力して、センサ2a が翼4b を撮影する。同様にし
て、順次翼4c ,4d …,4hを撮影し、再び翼4a
b ,…,4h の撮影を繰り返す。
Furthermore, when the rotary shaft 5 a the angle theta 1 is rotated,
This time, the blade 4 b passes, so the rotation axis 5 a has an angle φ 1 +
and outputs a window open command signal to the sensor 2 a when rotated theta 1, sensor 2 a photographs the wings 4 b. Similarly, images of the wings 4 c , 4 d, ..., 4 h are taken in sequence, and again the wings 4 a ,
4 b, ..., repeat the 4 h shooting.

【0017】センサ2b ,2c ,…,2h についても同
様であり、ウインド開指令信号装置6は、回転センサ3
より回転信号を入力した後、回転軸5a が角度φ2 ,φ
3 ,…,φ12回転すると、それぞれのセンサ2b
c ,…,2h へウインド開指令信号を出力し、翼4a
を撮影し、続いて翼4b ,4c ,…の撮影を行う。
The same applies to the sensors 2 b , 2 c , ..., 2 h , and the window opening command signal device 6 includes the rotation sensor 3
After entering a more rotation signals, the rotation shaft 5 a the angle phi 2, phi
3 , ..., φ 12 rotation, each sensor 2 b ,
Outputs a window open command signal to 2 c , ..., 2 h , and wing 4 a
Is taken, and then the wings 4 b , 4 c , ... Are taken.

【0018】上記により得られた翼4a ,4b ,…,4
h の映像は、映像記憶装置7に一時記憶され、映像処理
装置8により画像処理が行われ鮮明化された後、1つの
翼についての回転中の変形の観察を容易にするため、図
2(c)に示すように映像の並べ替えが行われ、あるい
は、基準画像との対比を容易とするために基準画像と並
べられて、映像出力装置9より出力される。
The blades 4 a , 4 b , ..., 4 obtained as described above
The image of h is temporarily stored in the image storage device 7, and after being subjected to image processing by the image processing device 8 to be sharpened, in order to facilitate observation of deformation of one wing during rotation, FIG. The video is rearranged as shown in c), or the video is output from the video output device 9 after being arranged with the reference image in order to facilitate comparison with the reference image.

【0019】なお、本実施例においては、センサ2a
b ,…,2l が撮影できる翼4a,4b ,…,4h
映像は全て撮影しているが、特定の翼のみについて観察
を要する場合には、その翼のみに限定して撮影すること
もできる。
In this embodiment, the sensors 2 a ,
All the images of wings 4 a , 4 b , ..., 4 h capable of shooting 2 b , ..., 2 l are taken, but when observation is required for only a specific wing, it is limited to that wing only. You can also take a picture.

【0020】[0020]

【発明の効果】本発明の回転体の連続映像撮影装置は、
回転中の回転体の回転位置を検出して回転信号を出力す
る回転センサと、この回転信号を入力してウインド開指
令信号を出力するウインド開指令信号装置と、このウイ
ンド開指令信号を入力してそれぞれが回転体の一部を撮
影する撮影用センサと、撮影された回転体の映像を入力
して所定の処理を行って出力する映像処理装置を備えた
ことによって、回転体が1回転する間に特定部位に生じ
る変形を連続して観察することが可能になり、また、撮
影された映像を基準画像と対比して観察することがで
き、変形状態の解析が可能となる。
The continuous image capturing device for the rotating body of the present invention is
A rotation sensor that detects the rotational position of the rotating rotating body and outputs a rotation signal, a window opening command signal device that inputs this rotation signal and outputs a window opening command signal, and this window opening command signal is input. The rotating body makes one revolution by including a photographing sensor for photographing a part of the rotating body and an image processing device for inputting an image of the photographed rotating body, performing a predetermined process and outputting the image. It is possible to continuously observe the deformation that occurs in a specific portion in the meantime, and it is possible to observe the captured image in comparison with the reference image and analyze the deformation state.

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

【図1】本発明の一実施例に係る映像撮影装置の説明図
で、(a)はファンの斜視図、(b)はファンの側断面
図、(c)は(b)のA−A矢視図、(d)はブロック
線図である。
FIG. 1 is an explanatory diagram of a video image capturing apparatus according to an embodiment of the present invention, in which (a) is a perspective view of a fan, (b) is a side sectional view of the fan, and (c) is AA of (b). A view from the arrow, (d) is a block diagram.

【図2】上記一実施例に係る装置の作用説明図で、
(a)は回転センサの出力信号、(b)はウインド開指
令信号、(c)は出力映像の説明図である。
FIG. 2 is an explanatory view of the operation of the device according to the above embodiment,
(A) is an output signal of a rotation sensor, (b) is a window opening command signal, (c) is an explanatory view of an output image.

【図3】従来の装置の説明図で、(a)は全体図、
(b)は(a)のB−B矢視図である。
FIG. 3 is an explanatory view of a conventional device, (a) is an overall view,
(B) is a BB arrow line view of (a).

【符号の説明】[Explanation of symbols]

1 ケーシング 2 センサ(カメラ) 3 回転センサ 3a 回転マーク 4 翼 5 ファン 5a 回転軸 6 ウインド開指令信号装置 7 映像記憶装置 8 映像処理装置 9 映像出力装置1 casing 2 sensor (camera) 3 rotation sensor 3 a rotation mark 4 blade 5 fan 5 a rotation axis 6 window opening command signal device 7 image storage device 8 image processing device 9 image output device

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 回転体の周方向に複数個配設され固定部
に固定されそれぞれが回転体の一部を撮影する撮影用セ
ンサ、固定部に固定され上記回転体に設けられた回転マ
ークを検出し回転中の回転体の回転位置を検出する回転
センサ、同回転センサより回転信号を入力し上記回転体
の回転と同期したウインド開指令信号を上記それぞれの
撮影用センサへ出力するウインド開指令信号装置、およ
び上記撮影用センサが撮影した映像を入力し回転体の特
定部位の映像を並べて出力し、また基準画像と対比して
出力する映像処理装置を備えたことを特徴とする回転体
の連続映像撮影装置。
1. A plurality of imaging sensors arranged in the circumferential direction of a rotating body and fixed to a fixed part, each of which takes an image of a part of the rotating body, and a rotation mark fixed to the fixed part and provided on the rotating body. A rotation sensor that detects and detects the rotational position of the rotating body, and a window opening command that inputs a rotation signal from the rotation sensor and outputs a window opening command signal synchronized with the rotation of the rotating body to each of the imaging sensors. A signal processing device, and an image processing device for inputting an image captured by the image capturing sensor, outputting an image of a specific portion of the rotating body side by side, and outputting the image in comparison with a reference image. Continuous video shooting device.
JP7117000A 1995-05-16 1995-05-16 Continuous image capturing device for rotating body Expired - Fee Related JP2994987B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7117000A JP2994987B2 (en) 1995-05-16 1995-05-16 Continuous image capturing device for rotating body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7117000A JP2994987B2 (en) 1995-05-16 1995-05-16 Continuous image capturing device for rotating body

Publications (2)

Publication Number Publication Date
JPH08313221A true JPH08313221A (en) 1996-11-29
JP2994987B2 JP2994987B2 (en) 1999-12-27

Family

ID=14700988

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7117000A Expired - Fee Related JP2994987B2 (en) 1995-05-16 1995-05-16 Continuous image capturing device for rotating body

Country Status (1)

Country Link
JP (1) JP2994987B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102679910A (en) * 2011-03-18 2012-09-19 小威廉·R·本纳 Rotary position detector and relevant method
JP2018119952A (en) * 2016-12-02 2018-08-02 ゼネラル・エレクトリック・カンパニイ Systems and methods for evaluating component strain

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102679910A (en) * 2011-03-18 2012-09-19 小威廉·R·本纳 Rotary position detector and relevant method
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