JP6441268B2 - 穿孔検査装置 - Google Patents
穿孔検査装置 Download PDFInfo
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- 238000005259 measurement Methods 0.000 description 7
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/954—Inspecting the inner surface of hollow bodies, e.g. bores
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- G—PHYSICS
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- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/14—Measures for draining-off condensed water or water leaking-in frame members for draining off condensation water, throats at the bottom of a sash
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
- E06B7/2305—Plastic, sponge rubber, or like strips or tubes with an integrally formed part for fixing the edging
- E06B7/2307—Plastic, sponge rubber, or like strips or tubes with an integrally formed part for fixing the edging with a single sealing-line or -plane between the wing and the part co-operating with the wing
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
- E06B7/2305—Plastic, sponge rubber, or like strips or tubes with an integrally formed part for fixing the edging
- E06B7/2312—Plastic, sponge rubber, or like strips or tubes with an integrally formed part for fixing the edging with two or more sealing-lines or -planes between the wing and part co-operating with the wing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
- G01B11/12—Measuring arrangements characterised by the use of optical techniques for measuring diameters internal diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/22—Measuring arrangements characterised by the use of optical techniques for measuring depth
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/08—Testing mechanical properties
- G01M11/081—Testing mechanical properties by using a contact-less detection method, i.e. with a camera
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
- G01N11/12—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by measuring rising or falling speed of the body; by measuring penetration of wedged gauges
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
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- G—PHYSICS
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- 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
- G02B23/243—Objectives for endoscopes
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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
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- G02B23/2446—Optical details of the image relay
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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
- G02B23/2461—Illumination
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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
- G02B23/2484—Arrangements in relation to a camera or imaging device
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B35/00—Stereoscopic photography
- G03B35/02—Stereoscopic photography by sequential recording
- G03B35/06—Stereoscopic photography by sequential recording with axial movement of lens or gate between exposures
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
- G03B37/005—Photographing internal surfaces, e.g. of pipe
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/555—Constructional details for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/698—Control of cameras or camera modules for achieving an enlarged field of view, e.g. panoramic image capture
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2215/00—Special procedures for taking photographs; Apparatus therefor
- G03B2215/05—Combinations of cameras with electronic flash units
- G03B2215/0503—Built-in units
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Astronomy & Astrophysics (AREA)
- Multimedia (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Surgery (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Description
4 穿孔
6 加工物
8 測定ヘッド
10 写像光学系
12 デジタル画像記録器
14 メモリ
16 評価機器
18 移動(位置決め)方向
20 制御機器
22 送り機器
24 照明機器
26 センサ面
28 母線
30 母線
32 周縁光線
34 周縁光線
36 直交座標画像
38 直交座標画像
φ1 視野角
φ2 視野角
Claims (8)
- 検査すべき穿孔(4)に挿入可能であり、穿孔(4)に対して相対的に異なる位置に移動可能である内視鏡として構成された測定ヘッド(8)であって、この測定ヘッドが、穿孔(4)の内面を写像するためのパノラマ視野を有する写像光学系(10)を備え、この写像光学系(10)が画像を伝送する形態でデジタル画像記録器(12)と接続されている、測定ヘッド(8)と、
この測定ヘッド(8)の異なる軸方向位置で撮影された画像を保存するメモリ(14)と、
このメモリに保存された画像を評価する評価機器(16)と、
を有する、加工物(6)の穿孔(4)を検査する穿孔検査装置(2)において、
穿孔(4)の内面の表面の深さ情報を取得するために、測定ヘッド(8)の一つの軸方向位置において、視野角範囲の境界を画定する周縁光線(32,34)の異なる二つの視野角(φ1,φ2)において観察される、穿孔(4)の内面の周囲を巡る二つの異なる表面箇所の母線(28,30)のパノラマ視野をそれぞれ二つの円(32,34)としてデジタル画像記録器(12)に写像し、
円として読み取られた画像(32,34)がそれぞれ一線ずつ直交座標画像に変換されてメモリ(14)に保存され、
測定ヘッド(8)を軸方向に動かしながら、穿孔(4)の内面の各表面箇所を所定の間隔で時間的に連続して撮影することで、それぞれ視野角(φ1,φ2)を一定にしながら撮影されたその時々の画像をメモリ(14)に保存していき、
測定ヘッド(8)が、穿孔(4)の軸方向の深さ全体を捕捉するまで軸方向に穿孔(4)に挿入された後では、メモリ(14)に保存された画像が、穿孔(4)の内面の全体を表すようにし、
これにより、その時々の表面箇所に関して写像光学系(10)の異なる二つの視野角(φ1,φ2)で連続して撮影されたそれぞれ視野角(φ1,φ2)が異なる二つの画像(36,38)を作成し、
この評価機器(16)が、その時々の表面箇所に関して写像光学系(10)の異なる二つの視野角(φ1,φ2)で連続して撮影されたそれぞれ視野角(φ1,φ2)が異なる二つの画像(36,38)を三次元再構成方法により評価するように構成、装備され、
当該の評価機器(16)が、表面箇所に関して異なる視野角で撮影された画像をステレオ三角測量方法により評価するように構成、装備され、
当該のその時々の表面箇所に関する異なる視野角が、測定ヘッド(8)の異なる軸方向位置に対応することを特徴とする穿孔検査装置。 - 測定ヘッド(8)には、異なる軸方向位置を設定するために、そのため、有利には、内壁の一つの表面箇所に関して写像光学系(10)の異なる視野角を設定するために、制御機器(20)により駆動可能な送り機器(22)が配備されていることを特徴とする請求項1に記載の穿孔検査装置。
- 測定ヘッド(8)のその時々の軸方向位置をその位置で撮影された画像に対応付けるために、当該の制御機器(20)が、測定ヘッド(8)のその時々の軸方向位置を表す位置データを評価機器(16)に伝送することを特徴とする請求項2に記載の穿孔検査装置。
- 穿孔(4)の内面における写像光学系(10)により捕捉される写像範囲を明暗視野照明により照明する照明機器(24)が配備されていることを特徴とする請求項1から3までのいずれか一つに記載の穿孔検査装置。
- 穿孔の内面を写像するためのパノラマ視野を有する写像光学系を備えている、内視鏡として構成された測定ヘッドが使用され、この写像光学系が画像を伝送する形態でデジタル画像記録器と接続され、この測定ヘッドが、穿孔に挿入されて、異なる軸方向位置に動かされ、
測定ヘッド(8)の一つの軸方向位置において、視野角範囲の境界を画定する周縁光線(32,34)の異なる二つの視野角(φ1,φ2)において観察される、穿孔の内面の周囲を巡る二つの異なる表面箇所の母線(28,30)の画像がそれぞれ円としてデジタル画像記録器(12)により撮影され、
この測定ヘッドの異なる軸方向位置で連続して撮影された画像が、メモリに保存され、 このメモリに保存された画像が、評価機器を用いて評価される、
加工物の穿孔を検査する穿孔検査方法において、
円として読み取られた母線(28,30)の画像(32,34)が一線ずつ直交座標画像に変換されてメモリ(14)に保存され、
測定ヘッド(8)を軸方向に動かしながら、穿孔(4)の内面の各表面箇所を所定の間隔で時間的に連続して撮影することで、それぞれ視野角(φ1,φ2)を一定にしながら撮影されたその時々の画像をメモリ(14)に保存していき、
測定ヘッド(8)が、穿孔(4)の軸方向の深さ全体を捕捉するまで軸方向に穿孔(4)に挿入された後では、メモリ(14)に保存された画像が、穿孔(4)の内面の全体を表すようにし、
これにより、その時々の表面箇所に関して写像光学系(10)の異なる二つの視野角(φ1,φ2)で連続して撮影されたそれぞれ視野角(φ1,φ2)が異なる二つの画像(36,38)を作成し、
その時々の表面箇所の表面の深さ情報を取得するために、内壁の一つの表面箇所に関して写像光学系(10)の異なる二つの視野角(φ1,φ2)で各表面箇所がそれぞれ撮影された前記二つの画像が三次元再構成方法により評価され、
穿孔の内面の表面の深さ情報を取得するために異なる視野角で撮影された画像が、ステレオ三角測量方法を用いて評価され、
当該のその時々の表面箇所に関する異なる視野角が、測定ヘッドの異なる軸方向位置に対応することを特徴とする穿孔検査方法。 - 測定ヘッドは、異なる軸方向位置を設定するために、そのため、有利には、内壁の一つの表面箇所に関して写像光学系の異なる視野角を設定するために、制御機器により駆動可能な送り機器を用いて動かされることを特徴とする請求項5に記載の穿孔検査方法。
- 測定ヘッドのその時々の軸方向位置をその位置で撮影された画像に対応付けるために、測定ヘッドのその時々の軸方向位置を表す位置データが、当該の制御機器から評価機器に伝送されることを特徴とする請求項6に記載の穿孔検査方法。
- 穿孔の内面における写像光学系により捕捉される写像範囲が、照明機器を用いて、明暗視野照明により照明されることを特徴とする請求項5から7までのいずれか一つに記載の穿孔検査方法。
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Application Number | Priority Date | Filing Date | Title |
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DE102015010225.7A DE102015010225B4 (de) | 2015-08-12 | 2015-08-12 | Bohrungsinspektionsvorrichtung |
DE102015010225.7 | 2015-08-12 |
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JP2017037075A JP2017037075A (ja) | 2017-02-16 |
JP6441268B2 true JP6441268B2 (ja) | 2018-12-19 |
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US (1) | US10330915B2 (ja) |
JP (1) | JP6441268B2 (ja) |
CN (1) | CN106442569B (ja) |
DE (2) | DE202015009460U1 (ja) |
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DE102017106741B4 (de) * | 2017-03-29 | 2019-11-14 | Jenoptik Industrial Metrology Germany Gmbh | Oberflächenmessgerät |
DE102017111819B4 (de) | 2017-05-30 | 2021-07-22 | Jenoptik Industrial Metrology Germany Gmbh | Bohrungsinspektionsvorrichtung |
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