JP2021139304A - エンジン装置および異音検知システム - Google Patents
エンジン装置および異音検知システム Download PDFInfo
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- JP2021139304A JP2021139304A JP2020035615A JP2020035615A JP2021139304A JP 2021139304 A JP2021139304 A JP 2021139304A JP 2020035615 A JP2020035615 A JP 2020035615A JP 2020035615 A JP2020035615 A JP 2020035615A JP 2021139304 A JP2021139304 A JP 2021139304A
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- engine
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- 238000001514 detection method Methods 0.000 title claims description 45
- 230000002159 abnormal effect Effects 0.000 claims description 58
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000001953 sensory effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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Classifications
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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
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/06—Testing internal-combustion engines by monitoring positions of pistons or cranks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/009—Electrical control of supply of combustible mixture or its constituents using means for generating position or synchronisation signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
- G01L23/221—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines
- G01L23/225—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines circuit arrangements therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/042—Testing internal-combustion engines by monitoring a single specific parameter not covered by groups G01M15/06 - G01M15/12
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/05—Testing internal-combustion engines by combined monitoring of two or more different engine parameters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/025—Engine noise, e.g. determined by using an acoustic sensor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/101—Engine speed
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
Description
エンジンと、
前記エンジンの特定気筒の上死点のタイミングに合わせて前記エンジンの動作音よりも高周波数の特定音を発生させる特定音発生部と、
を備えることを要旨とする。
Claims (4)
- エンジンと、
前記エンジンの特定気筒の上死点のタイミングに合わせて前記エンジンの動作音よりも高周波数の特定音を発生させる特定音発生部と、
を備えるエンジン装置。 - 請求項1記載のエンジン装置であって、
前記特定音は、可聴域よりも高周波数の音である、
エンジン装置。 - 請求項1または2記載のエンジン装置であって、
前記エンジンのクランク角を検出するクランク角センサを備え、
前記特定音発生部は、検出された前記クランク角に基づいて前記特定気筒の上死点のタイミングを推定し、前記特定気筒の上死点のタイミングに合わせて前記特定音を発生させる、
エンジン装置。 - 請求項1ないし3のうちの何れか1つの請求項に記載のエンジン装置を備える異音検知システムであって、
前記エンジンは、車両のエンジンルームに収容され、
前記特定音発生部は、前記エンジンルーム内に配置または前記エンジンルームの壁部に取り付けられ、
前記エンジンルーム内の音を集音する集音部と、
前記集音部により集音した音に基づいて、異音の発生の有無およびタイミングを推定する推定部と、
を備える異音検知システム。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020035615A JP7264088B2 (ja) | 2020-03-03 | 2020-03-03 | 異音検知システム |
US17/158,010 US11460375B2 (en) | 2020-03-03 | 2021-01-26 | Engine apparatus and noise detection system |
CN202110130013.0A CN113418710A (zh) | 2020-03-03 | 2021-01-29 | 发动机装置及异音检查系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020035615A JP7264088B2 (ja) | 2020-03-03 | 2020-03-03 | 異音検知システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021139304A true JP2021139304A (ja) | 2021-09-16 |
JP7264088B2 JP7264088B2 (ja) | 2023-04-25 |
Family
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JP2020035615A Active JP7264088B2 (ja) | 2020-03-03 | 2020-03-03 | 異音検知システム |
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---|---|
US (1) | US11460375B2 (ja) |
JP (1) | JP7264088B2 (ja) |
CN (1) | CN113418710A (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102096973B1 (ko) * | 2018-03-26 | 2020-05-27 | 한국철도기술연구원 | 에너지 하비스터 및 이를 이용한 엔진 모니터링 시스템 |
CN116380444B (zh) * | 2023-06-05 | 2023-08-25 | 滨州鲁德曲轴有限责任公司 | 用于曲轴故障分析的故障声音数据处理系统及处理方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61212652A (ja) * | 1985-03-19 | 1986-09-20 | Mitsubishi Motors Corp | 内燃機関の制御装置 |
JP2007256841A (ja) * | 2006-03-24 | 2007-10-04 | Honda Motor Co Ltd | 車両用効果音発生装置 |
JP2009031428A (ja) * | 2007-07-25 | 2009-02-12 | Honda Motor Co Ltd | 能動型効果音発生装置 |
JP2016164405A (ja) * | 2015-03-06 | 2016-09-08 | ダイハツ工業株式会社 | ノッキングレベルの評価システム |
JP2017102441A (ja) * | 2011-01-11 | 2017-06-08 | ボーズ・コーポレーションBose Corporation | 車両エンジン音強調 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2544366C (en) * | 2006-05-19 | 2007-10-30 | Sandy Albert Clancy | A natural gas compressor and a system for operating the same |
JP5054453B2 (ja) * | 2007-07-25 | 2012-10-24 | 富士重工業株式会社 | 異音発生タイミング特定方法及び異音発生タイミング特定装置 |
US20120134504A1 (en) * | 2010-11-26 | 2012-05-31 | Lockheed Martin Corporation | Chaotic pulse train synthesizer |
TWI545261B (zh) * | 2013-12-30 | 2016-08-11 | Wen San Jhou | Air Compressor with Warning Sound |
US9477895B2 (en) * | 2014-03-31 | 2016-10-25 | Mitsubishi Electric Research Laboratories, Inc. | Method and system for detecting events in an acoustic signal subject to cyclo-stationary noise |
CN104614727A (zh) * | 2014-10-22 | 2015-05-13 | 中国船舶重工集团公司第七〇五研究所 | 声信标连续精确对时测距方法 |
US20180163711A1 (en) * | 2016-12-09 | 2018-06-14 | Advancing Machinery Solutions, LLC | Reciprocating Compressor Monitoring System |
CN106870185A (zh) * | 2017-01-16 | 2017-06-20 | 浙江吉利控股集团有限公司 | 一种用于车辆的发动机失火判缸装置及方法 |
-
2020
- 2020-03-03 JP JP2020035615A patent/JP7264088B2/ja active Active
-
2021
- 2021-01-26 US US17/158,010 patent/US11460375B2/en active Active
- 2021-01-29 CN CN202110130013.0A patent/CN113418710A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61212652A (ja) * | 1985-03-19 | 1986-09-20 | Mitsubishi Motors Corp | 内燃機関の制御装置 |
JP2007256841A (ja) * | 2006-03-24 | 2007-10-04 | Honda Motor Co Ltd | 車両用効果音発生装置 |
JP2009031428A (ja) * | 2007-07-25 | 2009-02-12 | Honda Motor Co Ltd | 能動型効果音発生装置 |
JP2017102441A (ja) * | 2011-01-11 | 2017-06-08 | ボーズ・コーポレーションBose Corporation | 車両エンジン音強調 |
JP2016164405A (ja) * | 2015-03-06 | 2016-09-08 | ダイハツ工業株式会社 | ノッキングレベルの評価システム |
Also Published As
Publication number | Publication date |
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JP7264088B2 (ja) | 2023-04-25 |
CN113418710A (zh) | 2021-09-21 |
US20210278317A1 (en) | 2021-09-09 |
US11460375B2 (en) | 2022-10-04 |
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