JP2022544885A - 液体封入被験体の気密性試験 - Google Patents
液体封入被験体の気密性試験 Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 146
- 239000007789 gas Substances 0.000 claims abstract description 91
- 239000007788 liquid Substances 0.000 claims abstract description 88
- 238000000034 method Methods 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 239000012159 carrier gas Substances 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims description 9
- 239000003792 electrolyte Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims description 2
- 239000012528 membrane Substances 0.000 description 10
- 239000012071 phase Substances 0.000 description 8
- 239000003570 air Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 3
- 239000011244 liquid electrolyte Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000012050 conventional carrier Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
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- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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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
- G01M3/04—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
-
- 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
- G01M3/202—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 using mass spectrometer detection systems
-
- 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
- G01M3/202—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 using mass spectrometer detection systems
- G01M3/205—Accessories or associated equipment; Pump constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4228—Leak testing of cells or batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic electrolyte
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
Description
Claims (15)
- 液体(12)が封入された被験体(14)の気密性試験を行う方法であって、
前記被験体は大気圧未満の内圧を有し、
前記方法は、
前記被験体(14)を試験チャンバ(16)に挿入するステップと、
前記試験チャンバ(16)を、前記被験体(14)の内圧未満の圧力まで排気するステップと、
外部から前記試験チャンバにキャリアガスを送ることなく、前記試験チャンバの壁から脱着されたガス成分および前記被験体におけるリークを介して前記被験体から漏洩する前記液体の部分と共に、残留ガス成分を前記試験チャンバから吸引するステップと、
前記被験体から漏洩した前記液体の前記部分と共に吸引された前記残留ガス成分を検出器(28)に搬送するステップと、
前記被験体(14)におけるリークを介して漏洩した前記液体(12)の部分を、検出器(28)により検出するステップと、
を含む方法。 - 請求項1に記載の方法において、前記液体(12)の搬送される前記部分は、蒸発した状態の分子粒子であることを特徴とする方法。
- 請求項1または2に記載の方法において、前記液体(12)は、室温において500mbar未満の蒸気圧を有することを特徴とする方法。
- 請求項1から3のいずれか一項に記載の方法において、前記被験体(14)はバッテリであり、前記液体は電解液であることを特徴とする方法。
- 請求項1から4のいずれか一項に記載の方法において、前記試験チャンバ(16)は、剛性の試験チャンバまたはフィルムチャンバであることを特徴とする方法。
- 請求項1から5のいずれか一項に記載の方法において、前記検出器(28)は、前記液体の検出される前記部分に用いられる選択性のセンサを備えることを特徴とする方法。
- 請求項6に記載の方法において、前記検出器(28)は、例えば質量分析計などのガス検出器、ガスクロマトグラフ、赤外線吸収検出器、または化学センサもしくは半導体センサを備える検出器であることを特徴とする方法。
- 請求項1から7のいずれか一項に記載の方法において、前記検出器(28)は、前記試験チャンバ(16)内の前記圧力よりも低い圧力を有する真空システムで動作することを特徴とする方法。
- 請求項1から8のいずれか一項に記載の方法において、前記ガス成分および前記液体の検出される前記部分は、前記試験チャンバにおいて所定の圧力限界値に達した場合にのみ、前記検出器(28)に送られることを特徴とする方法。
- 請求項9に記載の方法において、前記圧力限界値は、2mbarから100mbarの範囲内にあり、好ましくは10mbar未満であることを特徴とする方法。
- 請求項9または10に記載の方法において、前記検出器は、バルブ(V2)を介して前記試験チャンバ(16)に接続されており、前記バルブは、前記試験チャンバの排気開始時に閉止され、前記圧力限界値に達したときにのみ開放されることを特徴とする方法。
- 請求項1から11のいずれか一項に記載の方法において、前記被験体(14)は、前記試験チャンバ(16)に挿入された後、フラッシングガスでフラッシングされることを特徴とする方法。
- 請求項1から12のいずれか一項に記載の方法において、前記被験体(14)から漏洩した前記液体(12)の前記部分は、前記部分が前記検出器(28)により検出される前の期間に、前記試験チャンバ(16)または接続ラインに蓄積することを特徴とする方法。
- 請求項1から13のいずれか一項に記載の方法において、前記被験体(14)が前記試験チャンバ(16)に挿入される前に、試験用液体を入れた試験用リークを前記試験チャンバに挿入し、前記試験チャンバを排気し、前記試験用リークを介して漏洩する前記液体の部分を前記検出器(28)により検出することによって、前記試験用リークを用いて前記検出器が校正されることを特徴とする方法。
- 請求項1から14のいずれか一項に記載の方法において、前記被験体が前記試験チャンバ(16)に挿入されるときに既に前記被験体(14)に含まれているガスであって、漏洩検出のための試験ガスとして用いられるガスは存在しないことを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE102019121462.9 | 2019-08-08 | ||
DE102019121462.9A DE102019121462B4 (de) | 2019-08-08 | 2019-08-08 | Verfahren zur Dichtheitsprüfung eines flüssigkeitsgefüllten Prüflings |
PCT/EP2020/070661 WO2021023513A1 (de) | 2019-08-08 | 2020-07-22 | Dichtheitsprüfung eines flüssigkeitsgefüllten prüflings |
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JP2022544885A true JP2022544885A (ja) | 2022-10-24 |
JPWO2021023513A5 JPWO2021023513A5 (ja) | 2023-05-23 |
JP7535059B2 JP7535059B2 (ja) | 2024-08-15 |
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JP2021559388A Active JP7535059B2 (ja) | 2019-08-08 | 2020-07-22 | 液体封入被験体の気密性試験 |
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US (1) | US20220181709A1 (ja) |
EP (1) | EP3894821B1 (ja) |
JP (1) | JP7535059B2 (ja) |
KR (1) | KR20220042049A (ja) |
CN (1) | CN113853517A (ja) |
DE (1) | DE102019121462B4 (ja) |
TW (1) | TW202113320A (ja) |
WO (1) | WO2021023513A1 (ja) |
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DE102021107055A1 (de) * | 2021-03-22 | 2022-09-22 | Inficon Gmbh | Funktionsprüfung einer Leckdetektionsvorrichtung für die Dichtheitsprüfung eines mit einer Flüssigkeit gefüllten Prüflings |
CN113252257B (zh) * | 2021-06-10 | 2021-09-10 | 山东奥扬新能源科技股份有限公司 | 一种电池包气密性检测设备 |
CN216349385U (zh) * | 2021-10-13 | 2022-04-19 | 宁德时代新能源科技股份有限公司 | 电池单体的检测设备 |
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DE102014219481A1 (de) * | 2014-09-25 | 2016-03-31 | Inficon Gmbh | Vorrichtung und Verfahren zum Kalibrieren einer Folienkammer zur Leckdetektion |
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DE102015217598A1 (de) * | 2015-09-15 | 2017-03-16 | Inficon Gmbh | Leckdetektion beim Evakuieren einer Prüfkammer oder eines Prüflings |
CN105466641A (zh) * | 2015-10-15 | 2016-04-06 | 杭州伯坦科技工程有限公司 | 电池漏液快速检测装置及其检测方法 |
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- 2020-07-17 TW TW109124216A patent/TW202113320A/zh unknown
- 2020-07-22 JP JP2021559388A patent/JP7535059B2/ja active Active
- 2020-07-22 EP EP20745164.2A patent/EP3894821B1/de active Active
- 2020-07-22 US US17/436,986 patent/US20220181709A1/en active Pending
- 2020-07-22 KR KR1020217034986A patent/KR20220042049A/ko active Search and Examination
- 2020-07-22 WO PCT/EP2020/070661 patent/WO2021023513A1/de active Search and Examination
- 2020-07-22 CN CN202080037062.3A patent/CN113853517A/zh active Pending
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DE102019121462B4 (de) | 2021-12-09 |
TW202113320A (zh) | 2021-04-01 |
US20220181709A1 (en) | 2022-06-09 |
EP3894821B1 (de) | 2022-06-29 |
EP3894821A1 (de) | 2021-10-20 |
KR20220042049A (ko) | 2022-04-04 |
DE102019121462A1 (de) | 2021-02-11 |
WO2021023513A1 (de) | 2021-02-11 |
CN113853517A (zh) | 2021-12-28 |
JP7535059B2 (ja) | 2024-08-15 |
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