CN113237616B - 一种汽车燃油蒸发系统泄漏的组合检测系统和方法 - Google Patents
一种汽车燃油蒸发系统泄漏的组合检测系统和方法 Download PDFInfo
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- CN113237616B CN113237616B CN202110406000.1A CN202110406000A CN113237616B CN 113237616 B CN113237616 B CN 113237616B CN 202110406000 A CN202110406000 A CN 202110406000A CN 113237616 B CN113237616 B CN 113237616B
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- pressure
- leakage
- electromagnetic valve
- standard reference
- detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 58
- 239000000446 fuel Substances 0.000 title claims abstract description 43
- 238000001704 evaporation Methods 0.000 title claims abstract description 27
- 230000008020 evaporation Effects 0.000 title claims abstract description 27
- 230000008569 process Effects 0.000 claims abstract description 15
- 239000002828 fuel tank Substances 0.000 claims description 58
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 8
- 238000009834 vaporization Methods 0.000 claims description 6
- 230000008016 vaporization Effects 0.000 claims description 6
- 238000012937 correction Methods 0.000 claims description 4
- 239000003502 gasoline Substances 0.000 description 10
- 230000008859 change Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- 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
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/08—Measuring arrangements characterised by the use of fluids for measuring diameters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110406000.1A CN113237616B (zh) | 2021-04-15 | 2021-04-15 | 一种汽车燃油蒸发系统泄漏的组合检测系统和方法 |
Applications Claiming Priority (1)
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CN202110406000.1A CN113237616B (zh) | 2021-04-15 | 2021-04-15 | 一种汽车燃油蒸发系统泄漏的组合检测系统和方法 |
Publications (2)
Publication Number | Publication Date |
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CN113237616A CN113237616A (zh) | 2021-08-10 |
CN113237616B true CN113237616B (zh) | 2024-02-27 |
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CN202110406000.1A Active CN113237616B (zh) | 2021-04-15 | 2021-04-15 | 一种汽车燃油蒸发系统泄漏的组合检测系统和方法 |
Country Status (1)
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CN (1) | CN113237616B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114320637B (zh) * | 2021-12-31 | 2023-03-21 | 中国第一汽车股份有限公司 | 一种燃油蒸发泄漏检测方法 |
CN115326305A (zh) * | 2022-10-11 | 2022-11-11 | 苏州清研精准汽车科技有限公司 | 一种电池包气密性检测装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3897860B2 (ja) * | 1997-07-11 | 2007-03-28 | 株式会社アルバック | 密閉品のリークテスト方法 |
JP3326113B2 (ja) * | 1998-06-10 | 2002-09-17 | 株式会社ユニシアジェックス | 蒸発燃料処理装置のリーク診断装置 |
DE10131162A1 (de) * | 2001-06-29 | 2003-01-16 | Bosch Gmbh Robert | Vorrichtung und Verfahren zur Tankleckdiagnose unter Berücksichtigung des Pumpenfördervolumens |
JP4337374B2 (ja) * | 2003-02-07 | 2009-09-30 | 三菱電機株式会社 | 蒸散燃料ガスリーク検出装置 |
JP4622948B2 (ja) * | 2006-07-03 | 2011-02-02 | 株式会社デンソー | リーク検査装置 |
US9500163B2 (en) * | 2013-09-26 | 2016-11-22 | Ford Global Technologies, Llc | Servo controlled EVAP leak detection system |
US20150090235A1 (en) * | 2013-10-01 | 2015-04-02 | Ford Global Technologies, Llc | Cpv-controlled evap leak detection system |
CN105156210A (zh) * | 2015-09-18 | 2015-12-16 | 亚普汽车部件股份有限公司 | 燃油箱蒸发排放系统泄漏检测装置及检测方法 |
CN205157139U (zh) * | 2015-11-26 | 2016-04-13 | 上海市计量测试技术研究院 | 一种正压标准漏孔的漏率检测装置 |
US20170363055A1 (en) * | 2016-06-20 | 2017-12-21 | Ford Global Technologies, Llc | Systems and methods for evap leak testing |
CN107886593B (zh) * | 2017-10-27 | 2020-11-10 | 西安交通大学 | 一种燃油箱蒸发排放泄漏诊断检测策略的计算方法 |
CN109357819A (zh) * | 2018-12-19 | 2019-02-19 | 国联汽车动力电池研究院有限责任公司 | 一种用于检测电池系统箱体密封性能的设备及方法 |
CN110671222A (zh) * | 2019-10-31 | 2020-01-10 | 安徽江淮汽车集团股份有限公司 | 燃油泄漏诊断方法、装置及计算机可读存储介质 |
CN112240817A (zh) * | 2020-08-07 | 2021-01-19 | 广东格兰仕微波炉电器制造有限公司 | 一种阴极组件检漏方法及系统 |
CN112228217B (zh) * | 2020-09-16 | 2021-11-23 | 江苏大学 | 用于汽车燃油蒸发泄露监测的车载诊断装置及诊断方法 |
CN112197912B (zh) * | 2020-10-10 | 2022-12-13 | 北京卫星环境工程研究所 | 一种检漏装置及检漏方法 |
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Effective date of registration: 20231130 Address after: 1003, Building A, Zhiyun Industrial Park, No. 13 Huaxing Road, Henglang Community, Dalang Street, Longhua District, Shenzhen City, Guangdong Province, 518000 Applicant after: Shenzhen Wanzhida Technology Transfer Center Co.,Ltd. Address before: Zhenjiang City, Jiangsu Province, 212013 Jingkou District Road No. 301 Applicant before: JIANGSU University |
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Effective date of registration: 20240110 Address after: 880 Heping Street Jiaxing Zhejiang 314000 Applicant after: Zhejiang aoteng Intelligent Technology Co.,Ltd. Address before: 1003, Building A, Zhiyun Industrial Park, No. 13 Huaxing Road, Henglang Community, Dalang Street, Longhua District, Shenzhen City, Guangdong Province, 518000 Applicant before: Shenzhen Wanzhida Technology Transfer Center Co.,Ltd. |
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