JP7008986B2 - 動的真空減衰リーク検出方法および装置 - Google Patents
動的真空減衰リーク検出方法および装置 Download PDFInfo
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- JP7008986B2 JP7008986B2 JP2019534748A JP2019534748A JP7008986B2 JP 7008986 B2 JP7008986 B2 JP 7008986B2 JP 2019534748 A JP2019534748 A JP 2019534748A JP 2019534748 A JP2019534748 A JP 2019534748A JP 7008986 B2 JP7008986 B2 JP 7008986B2
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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
- G01M3/3281—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
- G01M3/329—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 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
-
- 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
-
- 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
-
- 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
- G01M3/28—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 pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
-
- 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
- G01M3/26—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
-
- 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
- G01M3/3218—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 for flexible or elastic containers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Description
310 真空源
320 圧力変換器
330 真空安定化器
340 試験チャンバ
350 真空導管
500 試験システム
510 真空源
520 圧力変換器
530 真空安定化器
540 試験チャンバ
550 真空導管
560 バイパス導管
Claims (15)
- 真空源、パッケージを試験のために収容する試験チャンバ、および、上記試験チャンバを上記真空源から隔離するバルブを含む試験システムによってパッケージリークを試験する方法において、
パッケージを上記試験チャンバ内に載置するステップと、
上記真空源によって上記試験チャンバから空気を退避させるステップと、
上記試験システムが目標圧力に近づくときにトリガ圧力を検出するステップであって、上記トリガ圧力は上記目標圧力より大きい上記ステップと、
上記トリガ圧力が検出されたことに応じてマイクロコントローラによってタイマを動作開始させるステップと、
上記タイマが動作終了したことに応じて、上記試験チャンバを上記真空源から隔離するステップと、
こののち、上記試験システム内の圧力測定に基づいて、上記パッケージにおけるリークの有無を検出する試験を動作開始させるステップとを有することを特徴とする、上記方法。 - 上記圧力測定の値が上記目標圧力より大きいときにリークの存在が検出され、上記圧力測定の値が上記目標圧力より大きくないときにリークがないことが検出される請求項1記載の方法。
- 上記試験チャンバは柔軟性試験チャンバである請求項1記載の方法。
- さらに、上記マイクロコントローラに電気的に接続され、上記試験システム内の圧力データを測定するために使用される圧力変換器を有し、圧力データは上記試験システムにおいて収集された上記マイクロコントローラに通信される請求項1記載の装置。
- 上記パッケージは柔軟性パッケージである請求項1記載の方法。
- 上記トリガ圧力は上記目標圧力と退避圧力との間であり、上記退避圧力は、上記圧力測定の値が減少する前に、上記試験チャンバから空気を退避させるときの平坦状態圧力である請求項1記載の方法。
- さらに、上記試験システムを上記試験チャンバに連通するのに先立って上記試験システム内において制御された真空圧力を維持するステップを有する請求項1記載の方法。
- 上記リークの存在が、上記圧力測定の値に圧力スパイクが存在するときに検出される請求項1記載の方法。
- 上記パッケージは、非多孔性製品パッケージ、パウチ、ブリスターパッケージ、または医薬品パッケージの少なくとも1つである請求項1記載の方法。
- パッケージリークを試験するシステムにおいて、
管を介して試験チャンバに結合された真空源と、
上記真空源および上記試験チャンバの間において上記管の内部に連結された圧力安定化器と、
上記真空源を上記管から選択的に隔離するために上記真空源および上記試験チャンバの間において上記管の内部に連結された第1のバルブと、
上記試験チャンバを上記管から隔離するために上記真空源および上記試験チャンバの間において上記管の内部に連結された第2のバルブと、
上記試験するシステムの内部の圧力を測定するために上記第1のバルブおよび上記第2のバルブの間において上記管に連結された圧力変換器と、
マイクロコントローラと、
タイマであって、上記マイクロコントローラが当該タイマを制御し;上記システムが目標圧力に近づくときに上記圧力変換器がトリガ圧力を検出したときに上記タイマを動作開始させ;かつ上記タイマが動作終了したことに応じて、上記第1のバルブを閉じて上記真空源を上記管から隔離するように構成され、上記トリガ圧力は上記目標圧力より大きい、上記タイマとを有することを特徴とするシステム。 - 上記第1のバルブと上記第2のバルブの間において上記管の内部に、上記システムを排気するための第3のバルブをさらに有する請求項10記載のシステム。
- 上記真空源と上記試験チャンバとの間において上記管の内部に、上記圧力安定化器をバイパスするための第4のバルブをさらに有する請求項10記載のシステム。
- 上記試験チャンバから空気を退避させるステップは安定化真空を引くステップを有する請求項1記載の方法。
- 上記試験チャンバから空気を退避させるステップは非安定化真空を引くステップを有する請求項1記載の方法。
- 上記トリガ圧力は約700ミリバールであり、上記目標圧力は約500ミリバールであり、上記タイマは約1秒に設定される請求項1記載の方法。
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Application Number | Priority Date | Filing Date | Title |
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US201662439279P | 2016-12-27 | 2016-12-27 | |
US62/439,279 | 2016-12-27 | ||
PCT/US2017/068608 WO2018125946A1 (en) | 2016-12-27 | 2017-12-27 | Dynamic vacuum decay leak detection method and apparatus |
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JP2020503513A JP2020503513A (ja) | 2020-01-30 |
JP2020503513A5 JP2020503513A5 (ja) | 2021-01-28 |
JP7008986B2 true JP7008986B2 (ja) | 2022-01-25 |
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US (1) | US11067472B2 (ja) |
EP (1) | EP3563133A4 (ja) |
JP (1) | JP7008986B2 (ja) |
KR (1) | KR102574722B1 (ja) |
WO (1) | WO2018125946A1 (ja) |
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CN107702870B (zh) * | 2017-11-07 | 2019-12-17 | 苏州富强科技有限公司 | 一种密封结构的密封性检测方法 |
ES2963894T3 (es) * | 2018-08-10 | 2024-04-03 | Packaging Tech & Inspection Llc | Detección de fugas por caída de vacío con corrección para interferencias |
US20220316978A1 (en) * | 2021-03-31 | 2022-10-06 | Packaging Technologies and Inspection, LLC | System and method for dynamic signal processing for vacuum decay leak detection |
GB2609962A (en) * | 2021-08-19 | 2023-02-22 | Atlas Copco Airpower Nv | Leak detection of vacuum systems |
CN114289344B (zh) * | 2021-12-31 | 2023-06-23 | 山东新华医疗器械股份有限公司 | 一种联动生产型真空衰减检漏机 |
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- 2017-12-27 KR KR1020197021590A patent/KR102574722B1/ko active IP Right Grant
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Publication number | Publication date |
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US20190339157A1 (en) | 2019-11-07 |
WO2018125946A1 (en) | 2018-07-05 |
KR102574722B1 (ko) | 2023-09-07 |
EP3563133A1 (en) | 2019-11-06 |
US11067472B2 (en) | 2021-07-20 |
JP2020503513A (ja) | 2020-01-30 |
EP3563133A4 (en) | 2020-08-12 |
KR20190102222A (ko) | 2019-09-03 |
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