JP5840237B2 - 漏れ検出方法および装置 - Google Patents
漏れ検出方法および装置 Download PDFInfo
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/22—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/22—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/226—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
- G01M3/229—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators removably mounted in a test cell
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3209—Details, e.g. container closure devices
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
- G01M3/3272—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers for verifying the internal pressure of closed containers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3281—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators removably mounted in a test cell
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Description
・提案されている種類の(パラジウム薄膜)センサは、高速漏れ検査に用いるにはレスポンスタイムが長過ぎる。このことは、市販の水素センサのほぼ全てに当てはまる。
・提案されているセンサは、リカバリタイムが長すぎる。リカバリタイムは1〜10秒で、ほとんどの市販のセンサに当てはまる。
・大量の漏れが検出された後には、センサ感度が低くなる期間がある。つまり、大量の漏れの検出後、センサが小量の漏れを検出できない、通常15〜90秒の期間がある。
1)包装体の搬入、位置決め、およびチャンバの閉鎖
2)チャンバの減圧
3)サンプリングタイム、すなわち、トレーサガスが漏れ口からセンサの直前位置まで届くのに必要な時間
4)センサのリアクションタイム
5)センサのレスポンスタイム、すなわち、センサのアルゴリズムまたは回路により漏出度を判定するために必要な時間。この間に信号が記録または監視され、漏れの程度を客観的に推定するために十分な情報が得られる。
6)チャンバ洗浄、および、漏れ信号が出された場合はセンサのリカバリ
7)包装体の搬出
・第1の特徴は新規な信号処理ルーチンである。
・第2の特徴は、漏れ検査を行なう包装体の一部の上に設けられる開放フードまたはフローガイドである。
・第3の特徴は、ガスサンプリング工程中に包装体内の圧力を周囲より高める手段である。
本方法は以下の工程を含む:
・包装体を検査ステーションにセットすることで、ガスセンサが包装体の検査部分を囲む周囲空気と気体連通するよう位置される工程、
・所定量の圧力を包装体に加える工程、
・前記センサを用いて、包装体を囲む周囲空気中のテストガス濃度を表す瞬間変化率を求める工程、
・検査する包装体を囲む周囲空気中のテストガス濃度を表す瞬間変化率を一定時間監視する工程、および
・瞬間変化率がこれより前の監視中の瞬間変化率を超えたとき、欠陥信号を発する工程。
Claims (10)
- 包装体(P3)を搬送する搬送手段(4)に隣接して配され、搬送手段(4)により包装体がセットされる検査ステーション(3)を備え、包装体(P3)が、検査ステーション(3)内にセットされたとき周囲圧力より高い内圧を有するよう配される、テストガスを包含する包装体(P3)の漏れ検査装置であって、
包装体の検査部分を囲む周囲空気と気体流通する位置に設けられ、前記周囲空気中のテストガス濃度を検出し、前記濃度を表す信号を送信するよう構成されたガスセンサ(11)と、
ガスセンサ(11)からの信号を受信し、周囲のテストガス濃度の瞬間変化率を求め、瞬間変化率を一定時間監視し、瞬間変化率がこれより前の監視中の瞬間変化率を超えたとき、欠陥信号を発するよう構成される電子制御装置(ECU)と、
検査する包装体(P3)のシール部(9)を通過するように周囲空気を吸引するよう構成された連続的に動作する吸引手段と、を備え、
連続動作する吸引手段(8)に、シール部(9)の形状に適合するフローガイド手段が設けられていることを特徴とする、漏れ検査装置。 - フローガイド手段が、シール部の外周を取り囲み、シール部(9)を越えて包装体(P3)の上方に所定距離延出するよう配されていることを特徴とする、請求項1に記載の漏れ検査装置。
- ガスセンサ(11)が、吸引手段(8)により吸引される周囲空気の流れ中に位置することを特徴とする、請求項1または2に記載の漏れ検査装置。
- シール部(9)を囲み、シール部の形状に適合するよう構成された開放フードが配されていることを特徴とする、請求項1〜3のいずれか一項に記載の漏れ検査装置。
- 検査ステーション(3)内にセットする包装体(P3)の少なくとも片側に所定の圧力を加えるために、加圧手段(21、22)が配されていることを特徴とする、請求項1〜4のいずれか一項に記載の漏れ検査装置。
- 加圧手段(21、22)が、包装体の対向面に接して配され、所定の圧力または力を包装体のシール部(9)の隣接箇所に加えることを特徴とする、請求項5に記載の漏れ検査装置。
- 包装体内のテストガスを、検査するシール部に隣接させて保持するために、包装体(P3)が検査ステーション(3)内でそのシール部分を上向きにしてセットされることを特徴とする、請求項1〜6のいずれか一項に記載の漏れ検査装置。
- 漏れ検出装置が、可撓性を有するチューブ形状の包装体を検査するよう構成されることを特徴とする、請求項1〜7のいずれか一項に記載の漏れ検査装置。
- 検査される包装体が、食品、薬物、化学製品、または化粧品の形の傷みやすい製品を包含していることを特徴とする、請求項1〜8のいずれか一項に記載の漏れ検査装置。
- 製品を順次充填する充填ステーション(1)と、製品を密封する封止ステーション(2)とを備える包装装置であって、封止ステーション(2)の後に請求項1に記載の漏れ検査装置(3)をさらに備えることを特徴とする包装装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1150228-3 | 2011-03-16 | ||
SE1150228 | 2011-03-16 | ||
PCT/SE2012/050268 WO2012125108A1 (en) | 2011-03-16 | 2012-03-12 | Method and arrangement for leak detection |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014511995A JP2014511995A (ja) | 2014-05-19 |
JP5840237B2 true JP5840237B2 (ja) | 2016-01-06 |
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Application Number | Title | Priority Date | Filing Date |
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JP2013558813A Active JP5840237B2 (ja) | 2011-03-16 | 2012-03-12 | 漏れ検出方法および装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9097610B2 (ja) |
EP (1) | EP2686657B1 (ja) |
JP (1) | JP5840237B2 (ja) |
CN (1) | CN103443606B (ja) |
BR (1) | BR112013023313B1 (ja) |
ES (1) | ES2773744T3 (ja) |
WO (1) | WO2012125108A1 (ja) |
Families Citing this family (26)
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EP3052917A1 (en) * | 2013-10-02 | 2016-08-10 | F. Hoffmann-La Roche AG | Apparatus for leak detection |
CN103759900A (zh) * | 2014-01-14 | 2014-04-30 | 江苏真美包装科技有限公司 | 一种pvc药品包装材料的检测方法 |
JP6264931B2 (ja) * | 2014-02-20 | 2018-01-24 | 株式会社島津製作所 | 液体クロマトグラフとそれに用いるカラムオーブン |
GB201413708D0 (en) * | 2014-08-01 | 2014-09-17 | Cascade Technologies Holdings Ltd | Leak detection system |
SE538814C2 (sv) * | 2015-04-02 | 2016-12-13 | Gasporox Ab | System and method for determining the integrity of containers by optical measurement |
GB2549985B (en) * | 2016-05-06 | 2020-01-08 | Ishida Europe Ltd | Container leak detection |
CN107998508A (zh) * | 2016-11-02 | 2018-05-08 | 北京脑泰科技发展有限公司 | 磁刺激仪安全检测装置 |
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SE541253C2 (en) * | 2017-10-18 | 2019-05-14 | Gasporox Ab | System and method for determining the integrity of containers by optical measurement |
CN109703836A (zh) * | 2017-10-26 | 2019-05-03 | 庆富机械有限公司 | 测漏装置及具有测漏装置的密封包装设备及其使用方法 |
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WO2019224475A2 (fr) * | 2018-05-22 | 2019-11-28 | Gaztransport Et Technigaz | Dispositif de detection de fuite |
CN111886488B (zh) * | 2018-03-21 | 2022-10-25 | 气体运输技术公司 | 用于密封膜的钟形泄漏检测设备 |
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CN108680312B (zh) * | 2018-08-02 | 2024-01-26 | 重庆攀升机械制造有限公司 | 一种自动检测生产线上产品气密性的检测机构及其应用 |
US11041779B1 (en) * | 2018-09-11 | 2021-06-22 | Synapse Wireless, Inc. | Systems and methods for detecting leaks in a compressed gas system |
CN109470421A (zh) * | 2018-11-27 | 2019-03-15 | 深圳市明信测试设备有限公司 | 一种防水性能测试装置 |
IT201900006918A1 (it) | 2019-05-16 | 2020-11-16 | Ft System Srl | Metodo ed apparato per la rivelazione di fughe da contenitori sigillati |
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US9097610B2 (en) | 2015-08-04 |
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ES2773744T3 (es) | 2020-07-14 |
EP2686657A1 (en) | 2014-01-22 |
EP2686657B1 (en) | 2019-11-27 |
CN103443606B (zh) | 2016-07-06 |
BR112013023313B1 (pt) | 2021-06-29 |
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BR112013023313A2 (pt) | 2017-11-14 |
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