EP3679341A1 - Capteur de particules pour moteur à combustion interne - Google Patents

Capteur de particules pour moteur à combustion interne

Info

Publication number
EP3679341A1
EP3679341A1 EP18765423.1A EP18765423A EP3679341A1 EP 3679341 A1 EP3679341 A1 EP 3679341A1 EP 18765423 A EP18765423 A EP 18765423A EP 3679341 A1 EP3679341 A1 EP 3679341A1
Authority
EP
European Patent Office
Prior art keywords
flow
measuring
section
longitudinal axis
flow path
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP18765423.1A
Other languages
German (de)
English (en)
Inventor
Daniel Holz
Christian Kiefl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EmiSense Technologies LLC
Original Assignee
Vitesco Technologies GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vitesco Technologies GmbH filed Critical Vitesco Technologies GmbH
Publication of EP3679341A1 publication Critical patent/EP3679341A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/0656—Investigating concentration of particle suspensions using electric, e.g. electrostatic methods or magnetic methods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/008—Mounting or arrangement of exhaust sensors in or on exhaust apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus
    • F01N11/007—Monitoring or diagnostic devices for exhaust-gas treatment apparatus the diagnostic devices measuring oxygen or air concentration downstream of the exhaust apparatus
    • 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
    • G01M15/10—Testing internal-combustion engines by monitoring exhaust gases or combustion flame
    • G01M15/102—Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2247—Sampling from a flowing stream of gas
    • G01N1/2252—Sampling from a flowing stream of gas in a vehicle exhaust
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/05—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a particulate sensor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1606—Particle filter loading or soot amount
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N2001/2285—Details of probe structures

Definitions

  • the gas flow (viewed in a sectional view along the longitudinal axis) is guided essentially snake-like through the particle sensor and the effective measuring surface or active measuring path provided by the hollow measuring section is efficiently and almost maximally utilized, which in turn leads to a larger and better evaluable measuring signal.
  • the sensor electrode has a rod-shaped central section extending along the longitudinal axis, which is arranged within the second flow- conducting section .
  • the central section can in turn at least partially lead to an enlargement of the active measuring surface or of the active measuring path of the sensor electrode.
  • an outlet opening extending in the housing along the longitudinal axis is furthermore provided, through which the gas flow can flow out of the measuring area.
  • the outlet opening is preferably located in the base section of the flow guidance element.
  • Particle sensor of Fig. 1 shows
  • the housing 110 further has a further, extending along the longitudinal axis 102 and the first housing portion 116 opposite housing portion 119 in which a contact receiving portion 122 is provided, in which at least partial electrical contacts (not shown) of Parti ⁇ kelsensors 100 can be accommodated , via which the particle sensor 100 can be connected to, for example, a control unit of a vehicle.
  • the measuring section 132 is arranged around the second flow guiding section 144 such that a third flow path 108 is formed between a radial inner wall 133 of the measuring section 130 and a radial outer wall 145 of the second Strömungsleitabitess 144 such that the gas flow through the third flow path 104
  • a fourth flow path 109 is formed in the hollow cylindrical second Strömungsleitabites 144 such that the gas flow flows through the fourth flow path 106 in the second direction, ie from the second Housing portion 118 in the direction of the first housing portion 116.
  • the measuring portion 132, the guide portion at least a first flow 142 and the at least one second flow ⁇ guide section 144 have at least partially different diameters which permit engagement of these portions described herein.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)

Abstract

La présente invention concerne un capteur de particules destiné à détecter une quantité de particules contenues dans un flux gazeux dans un moteur à combustion interne. Le détecteur de particules (100) comprend un boîtier (110), dans lequel est disposée une zone de mesure (120) s'étendant le long d'un axe longitudinal (102), une électrode de détection (130) disposée dans la zone de mesure (120) et qui présente un segment de mesure (132) au moins partiellement creux s'étendant coaxialement par rapport à l'axe longitudinal (102), et un élément de guidage d'écoulement (140) disposé dans la zone de mesure (120) et qui présente un premier segment de guidage d'écoulement (142) s'étendant coaxialement par rapport à l'axe longitudinal (102) et au moins partiellement creux, et un second segment de guidage d'écoulement (144) s'étendant coaxialement par rapport à l'axe longitudinal (102) et au moins partiellement creux, qui est situé par rapport à l'axe longitudinal (102) dans le premier segment de guidage d'écoulement (142). Le segment de mesure (132), le premier segment de guidage d'écoulement (142) et le second segment de guidage d'écoulement (144) sont disposés de manière imbriquée, de telle sorte que le segment de mesure (132) soit disposé, par rapport à l'axe longitudinal (102), dans la direction radiale entre le premier segment de guidage d'écoulement (142) et le second segment de guidage d'écoulement (144).
EP18765423.1A 2017-09-06 2018-09-04 Capteur de particules pour moteur à combustion interne Withdrawn EP3679341A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017215689.9A DE102017215689B4 (de) 2017-09-06 2017-09-06 Partikelsensor für eine Brennkraftmaschine
PCT/EP2018/073692 WO2019048409A1 (fr) 2017-09-06 2018-09-04 Capteur de particules pour moteur à combustion interne

Publications (1)

Publication Number Publication Date
EP3679341A1 true EP3679341A1 (fr) 2020-07-15

Family

ID=63491622

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18765423.1A Withdrawn EP3679341A1 (fr) 2017-09-06 2018-09-04 Capteur de particules pour moteur à combustion interne

Country Status (5)

Country Link
US (1) US11098632B2 (fr)
EP (1) EP3679341A1 (fr)
CN (1) CN111344548A (fr)
DE (1) DE102017215689B4 (fr)
WO (1) WO2019048409A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020211404A1 (de) * 2020-09-10 2022-03-10 Trelleborg Sealing Solutions Germany Gmbh Dichtungseinrichtung und Dichtungsanordnung mit Sensorik zur Zustandsüberwachung
US12467398B2 (en) * 2021-01-25 2025-11-11 Ford Global Technologies, Llc Exhaust gas sensor assembly
DE102021102908A1 (de) * 2021-02-09 2022-08-11 Audi Aktiengesellschaft Entgasungseinrichtung, Batterie und Kraftfahrzeug

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US645923A (en) 1899-12-27 1900-03-20 Clarence W Taylor Device for extracting juices from fruits.
JPH06159035A (ja) * 1991-02-18 1994-06-07 Nagao Kogyo:Kk 車両用ディ−ゼル機関の排気ガス浄化装置
AU1044099A (en) 1997-11-10 1999-05-31 Central Research Laboratories Limited A gas sensor
US6230572B1 (en) * 1998-02-13 2001-05-15 Tsi Incorporated Instrument for measuring and classifying nanometer aerosols
DE502006009201D1 (de) * 2005-12-22 2011-05-12 Ark Holding Ag Partikelfilteranordnung und Verfahren zum Filtern von Abgasen
DE102006006112B4 (de) 2006-02-10 2024-01-11 Robert Bosch Gmbh Partikelsensor
DE102006035058A1 (de) * 2006-07-28 2008-01-31 Robert Bosch Gmbh Gassensor
DE102008041038B4 (de) * 2008-08-06 2023-05-25 Robert Bosch Gmbh Gassensor
DE202009004253U1 (de) 2009-03-31 2010-08-19 Hauser, Andreas, Dipl.-Ing. Vorrichtung zur Detektion von in einem Gasstrom enthaltenen Partikeln
JP4856751B2 (ja) * 2009-11-27 2012-01-18 日本碍子株式会社 ガス濃度検出センサー
DE102010011637A1 (de) 2010-03-16 2011-09-22 Continental Automotive Gmbh Strömungsleitvorrichtung eines Sensors
JP5488289B2 (ja) * 2010-07-21 2014-05-14 株式会社デンソー 酸素センサ素子
DE102011002936A1 (de) * 2011-01-20 2012-07-26 Ford Global Technologies, Llc Partikelsensor, Abgassystem und Verfahren zum Bestimmen von Partikeln im Abgas
DE102011011637A1 (de) 2011-02-17 2012-09-13 Voith Patent Gmbh Antriebsstrang mit aufgeladenem Verbrennungsmotor und Turbocompoundsystem
US8713991B2 (en) 2011-05-26 2014-05-06 Emisense Technologies, Llc Agglomeration and charge loss sensor for measuring particulate matter
DE102012205588A1 (de) 2012-04-04 2013-10-10 Robert Bosch Gmbh Partikelsensor
JP6255244B2 (ja) * 2014-01-08 2017-12-27 日本特殊陶業株式会社 微粒子センサ
DE102014219555A1 (de) * 2014-09-26 2016-03-31 Continental Automotive Gmbh Rußsensor
DE102015209262A1 (de) * 2015-05-21 2016-11-24 Bayerische Motoren Werke Aktiengesellschaft Abgasanlage mit einem Gassensor, insbesondere mit einem Partikelsensor
US10221743B2 (en) 2015-08-25 2019-03-05 Ford Global Technologies, Llc Method and system for exhaust particulate matter sensing
CN105298608A (zh) * 2015-11-23 2016-02-03 中国人民解放军军事交通学院 一种新型外置式车用柴油机颗粒物排放诊断方法及装置
DE102015224460A1 (de) 2015-12-07 2017-06-08 Robert Bosch Gmbh Gassensor
DE102016201343B4 (de) * 2016-01-29 2023-09-21 Emisense Technologies Llc Sensor für ein Kraftfahrzeug und Verfahren zur Herstellung eines Sensors für ein Kraftfahrzeug

Also Published As

Publication number Publication date
US11098632B2 (en) 2021-08-24
DE102017215689A1 (de) 2019-03-07
WO2019048409A1 (fr) 2019-03-14
DE102017215689B4 (de) 2023-01-05
US20200200065A1 (en) 2020-06-25
CN111344548A (zh) 2020-06-26

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