JPWO2018127971A1 - 撮像用照明装置 - Google Patents
撮像用照明装置 Download PDFInfo
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- JPWO2018127971A1 JPWO2018127971A1 JP2018560301A JP2018560301A JPWO2018127971A1 JP WO2018127971 A1 JPWO2018127971 A1 JP WO2018127971A1 JP 2018560301 A JP2018560301 A JP 2018560301A JP 2018560301 A JP2018560301 A JP 2018560301A JP WO2018127971 A1 JPWO2018127971 A1 JP WO2018127971A1
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- illumination
- imaging
- area
- led mounting
- illumination area
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0407—Arrangement of electric circuit elements in or on lighting devices the elements being switches for flashing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0435—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by remote control means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N21/8806—Specially adapted optical and illumination features
-
- 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
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
-
- 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
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
-
- 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
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
-
- 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
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
- G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/08—Monitoring manufacture of assemblages
- H05K13/081—Integration of optical monitoring devices in assembly lines; Processes using optical monitoring devices specially adapted for controlling devices or machines in assembly lines
- H05K13/0812—Integration of optical monitoring devices in assembly lines; Processes using optical monitoring devices specially adapted for controlling devices or machines in assembly lines the monitoring devices being integrated in the mounting machine, e.g. for monitoring components, leads, component placement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
- F21Y2107/50—Light sources with three-dimensionally disposed light-generating elements on planar substrates or supports, but arranged in different planes or with differing orientation, e.g. on plate-shaped supports with steps on which light-generating elements are mounted
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N21/956—Inspecting patterns on the surface of objects
- G01N2021/95638—Inspecting patterns on the surface of objects for PCB's
- G01N2021/95646—Soldering
Abstract
Description
まず、図1乃至図3を用いてカメラ11と照明装置12,13の構成を説明する。
カメラ11と照明装置12,13は、図示はしないが、部品実装機に上向きに取り付けられ、部品実装機の吸着ノズルに吸着した部品(撮像対象物)をその下方から照明装置12,13で照明してカメラ11で撮像する。
Claims (7)
- カメラで撮像する撮像対象物を、前記カメラの光軸の周囲に配置した多数のLEDで照明する撮像用照明装置において、
多数のLEDを実装した4枚のLED実装基板と、
前記4枚のLED実装基板のLEDに流す電流を調整する電流調整装置とを備え、
前記4枚のLED実装基板は、前記撮像対象物側から見て前記カメラの光軸を中心とする四角枠状に配置され、且つ、各LED実装基板のLEDが前記撮像対象物に向くように所定角度で傾斜され、
前記電流調整装置は、前記各LED実装基板のLED実装エリアをそれぞれ複数の照明エリアに区分して、前記各LED実装基板のLEDに流す電流を前記各照明エリア毎に個別に調整する、撮像用照明装置。 - 前記各LED実装基板には、前記各照明エリアの各LEDの光線を前記撮像対象物の中心側に向けるレンズ板が設けられている、請求項1に記載の撮像用照明装置。
- 前記レンズ板には、シボ加工が施されている、請求項2に記載の撮像用照明装置。
- 前記電流調整装置は、前記各LED実装基板のLEDに流す電流を前記各照明エリア毎に個別に調整する際に、前記撮像対象物の中心からの距離が遠くなる照明エリアほど大きい電流を流すことで、前記撮像対象物に対する前記各照明エリアの照明光の照度を均一化する、請求項1乃至3のいずれかに記載の撮像用照明装置。
- 前記カメラのシャッタタイミングと同期させて前記各照明エリアのLEDをパルス点灯させると共に、前記撮像対象物の種類に応じて前記各照明エリアのパルス点灯のデューティを前記各照明エリア毎に個別に変更するパルス点灯制御部を備える、請求項1乃至4のいずれかに記載の撮像用照明装置。
- 前記各LED実装基板のLEDを点灯させる照明エリアと点灯させない照明エリアとの組み合わせパターンである照明パターンを前記撮像対象物の種類に応じて変更する照明パターン変更部を備える、請求項1乃至5のいずれかに記載の撮像用照明装置。
- 前記カメラで撮像した画像を処理する画像処理装置を備え、
生産中に前記電流調整装置によって調整された電流を前記各照明エリアのLEDに流して前記撮像対象物を照明して前記カメラで撮像する生産時照明モードと、生産停止中に前記電流調整装置によって前記各照明エリアのLEDに流す電流を前記各照明エリア毎に個別に調整する電流調整時照明モードとを切り換える照明モード切換部を備え、
前記電流調整装置は、前記電流調整時照明モードでは、前記各LED実装基板のLEDを点灯させる照明エリアを1つずつ順番に切り換えて、1つの照明エリアの照明で前記撮像対象物となる基準治具を前記カメラで撮像してその画像を前記画像処理装置で処理して前記画像中の基準治具部分の輝度を判定して、その輝度が所定の基準輝度となるように当該照明エリアのLEDに流す電流を調整する処理を前記各照明エリア毎に実行することで、前記基準治具に対する前記各照明エリアの照明光の照度を均一化するように前記各照明エリアのLEDに流す電流を前記各照明エリア毎に個別に調整する、請求項1乃至6のいずれかに記載の撮像用照明装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/000274 WO2018127971A1 (ja) | 2017-01-06 | 2017-01-06 | 撮像用照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2018127971A1 true JPWO2018127971A1 (ja) | 2019-11-07 |
JP6954925B2 JP6954925B2 (ja) | 2021-10-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018560301A Active JP6954925B2 (ja) | 2017-01-06 | 2017-01-06 | 部品実装機の撮像用照明装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11050912B2 (ja) |
EP (1) | EP3567425B1 (ja) |
JP (1) | JP6954925B2 (ja) |
CN (1) | CN110140084B (ja) |
WO (1) | WO2018127971A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6893287B2 (ja) * | 2018-09-06 | 2021-06-23 | 株式会社Fuji | 撮像用照明装置および部品実装機 |
WO2020070858A1 (ja) * | 2018-10-04 | 2020-04-09 | 株式会社Fuji | 部品撮像用カメラ及び部品実装機 |
CN110005975B (zh) * | 2018-10-29 | 2021-01-26 | 中画高新技术产业发展(重庆)有限公司 | 基于场景监控的智能化led灯具 |
IT201900009609A1 (it) * | 2019-06-20 | 2020-12-20 | Mhm Advising Ltd | Sistema per l'ispezione ottica di un oggetto |
IT201900015476A1 (it) * | 2019-09-03 | 2021-03-03 | Genesi Elettr S R L | Sistema di controllo qualità in linea e procedimento per effettuare un controllo qualità in linea |
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Also Published As
Publication number | Publication date |
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US20190364182A1 (en) | 2019-11-28 |
WO2018127971A1 (ja) | 2018-07-12 |
CN110140084A (zh) | 2019-08-16 |
EP3567425A1 (en) | 2019-11-13 |
EP3567425B1 (en) | 2024-05-01 |
CN110140084B (zh) | 2022-03-18 |
EP3567425A4 (en) | 2019-12-11 |
JP6954925B2 (ja) | 2021-10-27 |
US11050912B2 (en) | 2021-06-29 |
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