JPH03276006A - Shape measuring device by underwater camera - Google Patents
Shape measuring device by underwater cameraInfo
- Publication number
- JPH03276006A JPH03276006A JP2078235A JP7823590A JPH03276006A JP H03276006 A JPH03276006 A JP H03276006A JP 2078235 A JP2078235 A JP 2078235A JP 7823590 A JP7823590 A JP 7823590A JP H03276006 A JPH03276006 A JP H03276006A
- Authority
- JP
- Japan
- Prior art keywords
- measured
- distance
- camera
- measuring device
- focus
- 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
Links
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 238000007689 inspection Methods 0.000 abstract description 13
- 239000000126 substance Substances 0.000 abstract 3
- 239000000446 fuel Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は主として原子炉炉心の炉底の様子や燃料集合体
の外観、形状検査などに用いる水中カメラによる形状測
定装置に係り、詳しくは水中カメラを用いて非接触で、
種々の物体の外観を観察すると同時に形状を主に水中で
測定し、カメラを移動することにより３次元的に外観検
査、寸法測定を行い、かつ表示をする上記形状測定装置
に関するものである。Detailed Description of the Invention (Field of Industrial Application) The present invention mainly relates to a shape measuring device using an underwater camera used for inspecting the bottom of a nuclear reactor core, the appearance and shape of a fuel assembly, etc. contactless using a camera,
The present invention relates to the above-mentioned shape measuring device which observes the appearance of various objects and at the same time measures the shape mainly underwater, performs three-dimensional appearance inspection and dimension measurement by moving the camera, and displays the same.
（従来の技術）
原子炉炉心の炉底や燃料集合体は常に健全性を保つ必要
があることから、定期的に外観検査、外形形状、及び寸
法測定等の検査を行わねばならない。(Prior Art) Since the bottom of a nuclear reactor core and a fuel assembly must always maintain their integrity, inspections such as visual inspection, external shape, and dimension measurement must be performed periodically.
そこで、上記炉底の検査としては、従来、炉水を通して
の目視や、水中テレビカメラを炉水に単に沈めて外観検
査を行っている。Therefore, conventionally, the furnace bottom has been inspected visually through the reactor water, or by simply submerging an underwater television camera in the reactor water.
また、燃料集合体については従来、例えば特開昭６０−
１９５４０９号公報に示されるように、超音波を利用し
た装置を用いて外形形状及び寸法測定を行っている。こ
の装置は、直線状に配置された適数個の超音波センサー
を水平面内で配置した距離検出体と、この距離検出体と
ほぼ同平面内にあって一方からの発信が他方に受信され
る如く配置された１対の超音波センサーからなる音速検
出体とを上記の各配置でセンサー支持台に夫々装着した
ものであり、上記距離検出体の超音波センサーが発する
超音波を被測定物に反射させて再び受信する時間を測定
し、該時間を距離に計算する。In addition, regarding fuel assemblies, conventionally, for example,
As shown in Japanese Patent No. 195409, external shape and dimensions are measured using a device using ultrasonic waves. This device consists of a distance detecting body in which an appropriate number of ultrasonic sensors arranged in a straight line are arranged in a horizontal plane, and a distance detecting body located almost in the same plane as the distance detecting body, so that the transmission from one side is received by the other side. A sound velocity detection body consisting of a pair of ultrasonic sensors arranged as shown in FIG. Measure the time it takes to reflect and receive it again, and calculate the time to the distance.
そして、音速検出体は被測定物の各部位で異なる水温条
件での音速を測定し、この音速を距離検出体の検出デー
タと、演算して正確な燃料集合体の外形形状、及び寸法
を測定する。Then, the sound speed detector measures the sound speed under different water temperature conditions at each part of the object to be measured, and calculates this sound speed with the detection data of the distance detector to accurately measure the outer shape and dimensions of the fuel assembly. do.
（発明が解決しようとする課題）
ところが、前記炉底の検査にあっては、外観検査は行え
るにしても、減肉等の外形形状を測定することはできな
い。(Problems to be Solved by the Invention) However, in the inspection of the hearth bottom, although an appearance inspection can be performed, it is not possible to measure external shapes such as thinning.
一方、前記燃料集合体の検査にあっては、寸法。On the other hand, when inspecting the fuel assembly, the dimensions are checked.
外形形状の測定は行えるが、演算に時間がかかり、また
、センサーが一定の間隔をおいて設置されることからセ
ンサーとセンサーの間の部位の測定ができず、更には、
外観検査のためには別設のテレビカメラが必要である等
の問題点を有している。Although it is possible to measure the external shape, the calculation takes time, and since the sensors are installed at a certain interval, it is not possible to measure the area between the sensors.
This method has problems such as the need for a separate television camera for visual inspection.
本発明は上述の如き実情に対処し、特に新規な形状測定
装置を見出すことにより外観検査２寸法測定、外形形状
測定が同時に行え、かつ被測定物の全部の部位において
自在に外形形状測定を行うことができると共に、測定時
間の短縮を図ることを目的とするものである。The present invention deals with the above-mentioned circumstances, and in particular, by finding a new shape measuring device, it is possible to simultaneously perform two dimension measurements for appearance inspection and external shape measurement, and to freely measure the external shape in all parts of the object to be measured. The purpose of this is to shorten the measurement time.
（課題を解決するための手段）
しかして、上記目的に適合する本発明装置の特徴は制御
装置によりカメラ駆動機構を介してテレビカメラを操作
し、形状測定を行う水中カメラによる形状測定装置にお
いて、上記テレビカメラにフォーカス駆動モータ等によ
りレンズ位置を調節し被測定物に対するフォーカスを調
整するフォーカス調整機構を設けると共に、該フォーカ
ス調整機構の作動状態により上記レンズと被測定物との
、距離を検知する距離検知機構を設けることにある。(Means for Solving the Problems) Therefore, the features of the device of the present invention that meet the above-mentioned objectives include: a shape measuring device using an underwater camera that performs shape measurement by operating a television camera via a camera drive mechanism by a control device; The television camera is provided with a focus adjustment mechanism that adjusts the lens position using a focus drive motor or the like to adjust the focus on the object to be measured, and the distance between the lens and the object to be measured is detected based on the operating state of the focus adjustment mechanism. The purpose is to provide a distance detection mechanism.
（作用）
かかる構成を有する本発明測定装置にあっては、テレビ
カメラのフォーカス調整機構にて被測定物に正確にピン
トを合わせ外観映像を得ると同時に、距離検知機構によ
り被測定物との距離に対応して作動する上記フォーカス
調整機構の作動状態を検出して、レンズと被測定物との
距離を検知することにより該被測定物の外形形状及び寸
法を測定することができるので、カメラ駆動機構にてテ
レビカメラを移動させることにより特に超音波形状測定
装置を用いることなく、被測定物の各部位全部の外観観
察はもとより外形形状９寸法をも測定す′ることか可能
となる。(Function) In the measuring device of the present invention having such a configuration, the focus adjustment mechanism of the television camera accurately focuses on the object to be measured to obtain an external image, and at the same time, the distance detection mechanism measures the distance to the object to be measured. The external shape and dimensions of the object to be measured can be measured by detecting the operating state of the focus adjustment mechanism, which operates in response to By moving the television camera using the mechanism, it is possible to observe not only the external appearance of each part of the object to be measured but also to measure the nine dimensions of the external shape without using an ultrasonic shape measuring device.
（実施例）
以下、添付図面を参照し、本発明に係る水中カメラによ
る形状測定装置の実施例を説明する。(Example) Hereinafter, an example of a shape measuring device using an underwater camera according to the present invention will be described with reference to the accompanying drawings.
第１図は原子炉格納容器の炉底を本発明装置により測定
する状態を示し、図において、（１１は原子炉格納容器
（Ｇ）上面を横断するように渡された移動用レールで、
該レール（１）には電動機付カメラ架台（２）を介して
水中テレビカメラ（３）が懸架されている。そしてテレ
ビカメラ（３）の横には水中照明（４）が併設され、該
照明（４）とテレビカメラ（３）とは駆動制御盤（５）
により操作されている０図中、（６）はテレビカメラ（
３）等からの信号を受ける信号処理装置である。FIG. 1 shows the state in which the bottom of the reactor containment vessel is measured by the apparatus of the present invention.
An underwater television camera (3) is suspended on the rail (1) via a motorized camera mount (2). An underwater light (4) is installed next to the TV camera (3), and the light (4) and the TV camera (3) are connected to a drive control panel (5).
In figure 0, (6) is a television camera (
3) is a signal processing device that receives signals from etc.
しかして上記ｙｓ様において本発明装置の要部を示すテ
レビカメラ（３）は、ケーブルに接続されたカメラ部（
図示せず）の前部に第２図に示すようなズームレンズ部
（７）を備えて゛いる。このズームレンズ部（７）は、
同図に示す如くフォーカス駆動モータ（８）により対物
レンズ（９）の位置を摺動自在に調節し、被測定物に対
し自動的にフォーカスを調整するオートフォーカス調整
機構ＱＯＩを有すると共に、該フォーカス調整機構ａω
の作動状態を検出し上記対物レンズ（９）と被測定物と
の距離を検知する距離検知機構αυを備えている。However, in the case of Mr. ys, the television camera (3) showing the main part of the device of the present invention is connected to the cable (
A zoom lens section (7) as shown in FIG. 2 is provided at the front of the camera (not shown). This zoom lens section (7) is
As shown in the figure, it has an autofocus adjustment mechanism QOI that slidably adjusts the position of the objective lens (9) by a focus drive motor (8) and automatically adjusts the focus on the object to be measured. Adjustment mechanism aω
A distance detection mechanism αυ is provided to detect the operating state of the objective lens (9) and the distance between the objective lens (9) and the object to be measured.
フォーカス調整機構００）は、前記フォーカス駆動モー
タ（８）のモータ軸（２）の回動をギヤボックス０」及
びギヤ付外筒ａ旬を介して、スパイラル溝（図示せず〉
が設けられた可動部（至）に伝達し、該可動部Ｑ９を摺
動させて対物レンズ（９）の位置を調整するものであり
、この実施例では、フォーカス調整機構αのに既知の構
成よりなるオートフォーカスシステムが用いられている
が、勿論、これに限らず遠隔操作のマニュアルシテスム
も採用しうろことも当然である。また、この実施例では
、前記フォーカス駆動モータ（８）としてステンピング
モータが用いられており、微小ステップ回転が可能とな
っている。The focus adjustment mechanism (00) controls the rotation of the motor shaft (2) of the focus drive motor (8) through a gear box (00) and a geared outer cylinder (a) through a spiral groove (not shown).
is transmitted to a movable part Q9 provided with a movable part Q9, and the position of the objective lens (9) is adjusted by sliding the movable part Q9. Although several autofocus systems are used, it goes without saying that this is not the only option, and a remote-controlled manual system may also be adopted. Further, in this embodiment, a stamping motor is used as the focus drive motor (8), and minute step rotation is possible.
一方、距離検知機構Ｑｌ）は、被測定物との距離に対応
して摺動するフォーカス調整機構００）の前記可動部Ｑ
５）の摺動をポテンショメータＱ６＞にて検出すること
により、対物レンズ（９）と被測定物との距離を検知し
、これをエンコーダ等で信号化して前記第１図に示す信
号処理装置（６）へ送るようになっているが、この距離
検知機構αυは、フォーカス調整機構αωのフォーカス
駆動モータ（８）やギヤボックス０濁あるいはギヤ付外
筒αω等の回転を検出し、被測定物との距離を検知する
ようにしてもよい。On the other hand, the distance detection mechanism Ql) is the movable part Q of the focus adjustment mechanism 00) that slides in accordance with the distance to the object to be measured.
5) is detected by the potentiometer Q6>, the distance between the objective lens (9) and the object to be measured is detected, and this is converted into a signal by an encoder or the like, and the signal processing device shown in FIG. 6), this distance detection mechanism αυ detects the rotation of the focus drive motor (8) of the focus adjustment mechanism αω, the gearbox, or the geared outer cylinder αω, and It may also be possible to detect the distance to.
以上の構成よりなる第１図の実施例装置は、同図に示す
ように、電動機付カメラ架台（２）下部に取着され水中
に沈められたテレビカメラ（３）を作動させると、まず
、該テレビカメラ（３）のオートフォーカスシステムが
作動し、炉底（１Ｇ）にピントを合わすべくフォーカス
調整機構αωを動作させる。フォーカス調整機構００は
オートフォーカスシステムからの信号により、第２図に
示すように、フォーカス駆動モータ（８）をし回転させ
て可動部叩を摺動させ、対物レンズ（９）の位置を調節
して炉底（ＩＧ）にピントを合わせて画像を得る。これ
と同時に、上記可動部α９の摺動を距離検知機構ＯＤの
ポテンショメータａＱが検出し、炉底（ＩＧ）との距離
を検知する。As shown in the figure, the apparatus according to the embodiment shown in FIG. The autofocus system of the television camera (3) is activated, and the focus adjustment mechanism αω is activated to focus on the hearth bottom (1G). As shown in FIG. 2, the focus adjustment mechanism 00 rotates the focus drive motor (8) to slide the movable part and adjust the position of the objective lens (9) based on the signal from the autofocus system. to obtain an image by focusing on the hearth bottom (IG). At the same time, the potentiometer aQ of the distance detection mechanism OD detects the sliding movement of the movable part α9, and detects the distance from the hearth bottom (IG).
即ち、この実施例測定装置は、テレビカメラ（３）にて
炉底（ＩＧ）の外観検査を行うと同時に、距離検知機構
αυにて炉底（ＩＧ）との距離を測ることにより、減肉
等の外形形状及び寸法も測定することができる。なお、
この炉底（ＩＧ〉の検査・測定は、移動用レール（１）
の上を電動機付カメラ架台（２）を順次移動させて連続
的に行い、テレビカメラ（３）及び距離検知機構Ｑｌ）
からの信号は第１図に示す信号処理装置（６）に送られ
、記録等の処理が行われる。That is, this embodiment measuring device performs an external inspection of the hearth bottom (IG) using the television camera (3) and at the same time measures the distance to the hearth bottom (IG) using the distance detection mechanism αυ. It is also possible to measure the external shape and dimensions of . In addition,
Inspection and measurement of this hearth bottom (IG) are carried out using the moving rail (1).
The motorized camera mount (2) is moved sequentially over the TV camera (3) and the distance detection mechanism (Ql).
The signals are sent to the signal processing device (6) shown in FIG. 1, where processing such as recording is performed.
次に本発明に係る装置を燃料集合体あるいはチャンネル
ボックス用の測定装置として用いた場合を第３図に示す
。Next, FIG. 3 shows a case where the device according to the present invention is used as a measuring device for a fuel assembly or a channel box.
図において（３）はオートフォーカス調整機構００）、
距離検知機構αω等を備えた、前述の実施例測定装置と
同じテレビカメラを示し、該テレビカメラ（３）は、コ
ラムα力に取着されたＺ軸駆動部αω、該Ｚ軸駆動部Ｑ
ｌｌ）に取着されたＹ軸駆動部Ｑ９）、及び該Ｙ軸駆動
部０匂に取着されたＸ軸駆動部＋２０１によって３方向
に移動できるよう設けられている。勿論、該装置はプー
ル内の水中に設置されている。In the figure, (3) is an autofocus adjustment mechanism 00),
It shows the same television camera as the measuring device of the previous embodiment, equipped with a distance detection mechanism αω, etc., said television camera (3) has a Z-axis drive αω attached to the column α force, said Z-axis drive Q
It is provided so that it can move in three directions by a Y-axis drive unit Q9) attached to the Y-axis drive unit Q9) and an X-axis drive unit +201 attached to the Y-axis drive unit Q9). Of course, the device is installed underwater in the pool.
そして、これらテレビカメラ（３）及びＸＹＺ各軸駆動
部αａ、 ａｓ、 ｒ２ＩＯは、カメラケーブル（２１
）及び駆動・信号ケーブル（２２）を介して、モニター
（２３）、記録解析＠ （２４）等を備えた表示部付制
御盤（２５）に接続されている。These television cameras (3) and XYZ axes drive units αa, as, r2IO are connected to camera cables (21
) and a drive/signal cable (22), it is connected to a control panel (25) with a display section equipped with a monitor (23), recording analysis @ (24), etc.
上記構成を有するこの測定装置は、前記実施例同様に、
テレビカメラ（３）のオートフォーカスシステムが作動
して、検査台ベース（２６）に載置された燃料集合体（
Ｎ）にピントを合わすべくフォーカス調整機構ａωを動
作させて画像を得る。そして、これと同時に、このフォ
ーカス調整機構ａωの作動状態、即ち、可動部Ｑ５＋の
摺動を距離検知機構αυが検出して燃料集合体（Ｎ）と
の距離を検知する。This measuring device having the above configuration, like the above embodiment, has the following features:
The autofocus system of the television camera (3) operates and the fuel assembly (26) placed on the inspection table base (26) is activated.
The focus adjustment mechanism aω is operated to focus on N) to obtain an image. At the same time, the distance detection mechanism αυ detects the operating state of the focus adjustment mechanism aω, that is, the sliding movement of the movable portion Q5+, and detects the distance to the fuel assembly (N).
即ち、この測定装置においても、テレビカメラ（３）に
て燃料集合体（Ｎ）の外観検査を行うと同時に、距離検
知機構αυにて上記燃料集合体（Ｎ）との距離を測るこ
とにより、外形形状及び寸法も測定することができる。That is, in this measuring device as well, by visually inspecting the fuel assembly (N) using the television camera (3) and at the same time measuring the distance to the fuel assembly (N) using the distance detection mechanism αυ, External shape and dimensions can also be measured.
なお、この測定装置は、前記ｘｙｚ各軸駆動装置Ｑ８）
、 Ｑ９）、 ＯＩによってテレビカメラをＸＹＺ各軸
方向にジグザグ状に移動させることにより、燃料集合体
（Ｎ）の一つの面を全面的に外観、外形形状。Note that this measuring device is based on the x, y, and z axes drive device Q8).
, Q9), By moving the television camera in a zigzag pattern in the X, Y, and Z axis directions using OI, the entire appearance and shape of one surface of the fuel assembly (N) can be obtained.
寸法測定を行い、これらの信号を表示部付制御盤（２５
）に送ってデータ処理を行う。Measure the dimensions and send these signals to the control panel with display (25
) for data processing.
（発明の効果）
以上説明したように、本発明の水中カメラによる形状測
定装置は、制御装置によりカメラ駆動機構を介してテレ
ビカメラを操作し各種物体の形状測定を行う装置におい
て、レンズ位置を調節することにより被測定物に対する
フォーカスを調整するフォーカス調整機構を上記テレビ
カメラに設ける共に、該フォーカス調整機構の作動状態
を検出することにより上記レンズと被測定物との距離を
検知する距離検知機構を設けたものであり、テレビカメ
ラのフォーカス調整機構にて被測定物に正確にピントを
合わせて外観映像を得ると同時に、距離検知機構により
被測定物との距離に対応して作動をする上記フォーカス
調整機構の作動状態を検出して、レンズと被測定物との
距離を検知することにより該被測定物の外形形状及び寸
法を測定することができ、従ってカメラ駆動機構にてテ
レビカメラを移動させることにより、被測定物の各部位
全部の外形形状９寸法、及び外観をすべて測定すること
ができる効果を有する。(Effects of the Invention) As explained above, the shape measuring device using an underwater camera of the present invention is a device that measures the shape of various objects by operating a television camera via a camera drive mechanism by a control device, and adjusts the lens position. The television camera is provided with a focus adjustment mechanism that adjusts the focus on the object to be measured by doing so, and a distance detection mechanism that detects the distance between the lens and the object to be measured by detecting the operating state of the focus adjustment mechanism. The focus adjustment mechanism of the television camera accurately focuses on the object to be measured and obtains an external image, while the distance detection mechanism operates according to the distance to the object. By detecting the operating state of the adjustment mechanism and detecting the distance between the lens and the object to be measured, the external shape and dimensions of the object to be measured can be measured, and therefore the television camera is moved by the camera drive mechanism. This has the effect of being able to measure all nine external dimensions and appearance of each part of the object to be measured.
従って、本発明の測定装置を用いることにより、原子炉
炉底の検査においては、外観検査はもちろん、減肉等の
外形形状１寸法測定が可能となり、燃料集合体の検査に
おいては、超音波センサーを不要にして外形形状及び寸
法測定を可能とし、しかも外観検査も同時に行え、また
演算が不要なことから測定時間も短縮でき、更に、従来
は不明であった被測定物の上記超音波センサー間の形状
も測定可能としてより正確な形状を測定しうる等、その
実用上の価値は著大である。Therefore, by using the measuring device of the present invention, in the inspection of the bottom of a nuclear reactor, it is possible to perform not only the external appearance inspection but also the measurement of one dimension of the external shape such as thinning.In the inspection of the fuel assembly, the ultrasonic sensor It is possible to measure the external shape and dimensions without the need for the above-mentioned ultrasonic sensors on the object to be measured, which was previously unknown. Its practical value is enormous, as it allows for more accurate shape measurements.
第１図は原子炉格納容器の炉底を本発明第１の実施例装
置にて測定する状態を示す説明図、第２図は本発明実施
例に係るテレビカメラのレンズ部を示す断面図、第３図
は本発明第２の実施例装置を示す斜視図である。
（１）・・・移動用レール、 （２）・・・カメラ架
台、（３）・・・テレビカメラ、 （４）・・・水中照
明、（５）・・・駆動制御盤、 （６）・・・信号処理
装置、（７）・・・レンズ部、 （８）・・・フォーカ
ス駆動モータ、（９）・・・対物レンズ、 α０）・・
・フォーカス調整機構、αυ・・・距離検知機構、 （
２）・・・モータ軸、ａｌ・・・ギヤボックス、 圓・
・・ギヤ付外筒、αつ・・・可動部、 αＱ・・・ポテ
ンショメータ、Ｑ７）・・・コラム、（２３）・・・モ
ニター（２４）・・・記録解析機、（２５）・・・表示
部付制御盤。FIG. 1 is an explanatory diagram showing a state in which the bottom of the reactor containment vessel is measured by the device according to the first embodiment of the present invention, and FIG. 2 is a sectional view showing the lens part of the television camera according to the embodiment of the present invention. FIG. 3 is a perspective view showing an apparatus according to a second embodiment of the present invention. (1)...Movement rail, (2)...Camera mount, (3)...TV camera, (4)...Underwater lighting, (5)...Drive control panel, (6) ... Signal processing device, (7) ... Lens section, (8) ... Focus drive motor, (9) ... Objective lens, α0) ...
・Focus adjustment mechanism, αυ...distance detection mechanism, (
2)...Motor shaft, AL...Gear box, Round...
... Outer cylinder with gear, α... Moving part, αQ... Potentiometer, Q7)... Column, (23)... Monitor (24)... Recording analyzer, (25)...・Control panel with display.
Claims (1)
ラを操作し、形状測定を行う水中カメラによる形状測定
装置において、上記テレビカメラにフォーカス駆動モー
タ等によりレンズ位置を調節し被測定物に対するフォー
カスを調整するフォーカス調整機構を設けると共に、該
フォーカス調整機構の作動状態により上記レンズと被測
定物との距離を検知する距離検知機構を設けたことを特
徴とする水中カメラによる形状測定装置。1. In a shape measuring device using an underwater camera that performs shape measurement by operating a television camera via a camera drive mechanism by a control device, the lens position of the television camera is adjusted by a focus drive motor etc. to adjust the focus on the object to be measured. 1. A shape measuring device using an underwater camera, characterized in that a focus adjustment mechanism is provided, and a distance detection mechanism is provided for detecting the distance between the lens and the object to be measured based on the operating state of the focus adjustment mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2078235A JPH03276006A (en) | 1990-03-26 | 1990-03-26 | Shape measuring device by underwater camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2078235A JPH03276006A (en) | 1990-03-26 | 1990-03-26 | Shape measuring device by underwater camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03276006A true JPH03276006A (en) | 1991-12-06 |
Family
ID=13656381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2078235A Pending JPH03276006A (en) | 1990-03-26 | 1990-03-26 | Shape measuring device by underwater camera |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03276006A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016109556A (en) * | 2014-12-05 | 2016-06-20 | 日立Ｇｅニュークリア・エナジー株式会社 | Shape measurement system and shape measurement method |
| CN108981591A (en) * | 2018-06-19 | 2018-12-11 | 燕山大学 | A kind of contactless special vehicle supporting rollern height testing instrument |
| CN109668511A (en) * | 2019-01-30 | 2019-04-23 | 中国海洋大学 | A kind of artificial marine habitat accumulation form measuring device and method suitable for sink |
| CN113340180A (en) * | 2021-08-04 | 2021-09-03 | 华芯半导体研究院(北京)有限公司 | Measuring device for MOCVD equipment reaction chamber |
-
1990
- 1990-03-26 JP JP2078235A patent/JPH03276006A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016109556A (en) * | 2014-12-05 | 2016-06-20 | 日立Ｇｅニュークリア・エナジー株式会社 | Shape measurement system and shape measurement method |
| CN108981591A (en) * | 2018-06-19 | 2018-12-11 | 燕山大学 | A kind of contactless special vehicle supporting rollern height testing instrument |
| CN109668511A (en) * | 2019-01-30 | 2019-04-23 | 中国海洋大学 | A kind of artificial marine habitat accumulation form measuring device and method suitable for sink |
| CN109668511B (en) * | 2019-01-30 | 2021-07-30 | 中国海洋大学 | Artificial fish reef accumulation form measuring device and method suitable for water tank |
| CN113340180A (en) * | 2021-08-04 | 2021-09-03 | 华芯半导体研究院(北京)有限公司 | Measuring device for MOCVD equipment reaction chamber |
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