RU2010154411A - METHOD AND DEVICE FOR RECOGNITION OF COMBUSTION IN PARTICLE FILTER - Google Patents

METHOD AND DEVICE FOR RECOGNITION OF COMBUSTION IN PARTICLE FILTER Download PDF

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RU2010154411A
RU2010154411A RU2010154411/06A RU2010154411A RU2010154411A RU 2010154411 A RU2010154411 A RU 2010154411A RU 2010154411/06 A RU2010154411/06 A RU 2010154411/06A RU 2010154411 A RU2010154411 A RU 2010154411A RU 2010154411 A RU2010154411 A RU 2010154411A
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filter
combustion
temperature
particle filter
inlet
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RU2010154411/06A
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Russian (ru)
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RU2484266C2 (en
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Вильям ПЕРРАР (FR)
Вильям ПЕРРАР
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Пежо Ситроен Отомобиль Са (Fr)
Пежо Ситроен Отомобиль Са
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    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • 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, e.g. for catalytic activity
    • F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
    • 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
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F01N9/005—Electrical control of exhaust gas treating apparatus using models instead of sensors to determine operating characteristics of exhaust systems, e.g. calculating catalyst temperature instead of measuring it directly
    • 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
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/04—Filtering activity of particulate filters
    • 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
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

1. Способ распознавания сгорания в фильтре (6) частиц, встроенном в систему выпуска отработавших газов двигателя (1) внутреннего сгорания, периодическую регенерацию которого осуществляют соответствующими средствами, включающий этап измерения или оценки характерных параметров сгорания в упомянутом фильтре (6) и этап обработки этих параметров для диагностирования случая сгорания и оценки его интенсивности, отличающийся тем, что указанные этапы осуществляют в процессе всей фазы работы двигателя (1) и, в частности, в процессе фаз управляемых регенераций фильтра (6). ! 2. Способ по п.1, отличающийся тем, что упомянутые этапы, дополнительно осуществляют в процессе заданного времени, следующего за остановкой двигателя (1) внутреннего сгорания. ! 3. Способ по п.1 или 2, отличающийся тем, что упомянутыми характерными параметрами являются температура на входе фильтра (6) частиц и температура на выходе фильтра (6) частиц. ! 4. Способ по п.3, отличающийся тем, что вывод о сгорании частиц в фильтре (6) частиц делают в том случае, когда температура на выходе фильтра (6) превышает заданное пороговое значение температуры в заданный промежуток времени на входе фильтра (6). ! 5. Способ по п.3, отличающийся тем, что градиент температуры в фильтре (6) оценивают по изменению температур на входе и на выходе фильтра и вывод о сгорании частиц в фильтре (6) частиц делают в случае, когда оцененный градиент температуры превышает заданный максимум. ! 6. Способ по п.1, отличающийся тем, что в случае определения сгорания в фильтре количество сажи, сгоревшей в процессе этого сгорания, оценивают по изменению температур на входе и на выходе фильтра (6) в процессе этого 1. A method for recognizing combustion in a particle filter (6) built into the exhaust system of an internal combustion engine (1), the periodic regeneration of which is carried out by appropriate means, including the step of measuring or evaluating the characteristic parameters of combustion in said filter (6) and the step of processing these parameters for diagnosing the case of combustion and assessing its intensity, characterized in that these stages are carried out during the entire phase of engine operation (1) and, in particular, during the phases of controlled regeneration of the filter (6). ! 2. A method according to claim 1, characterized in that said steps are additionally carried out during a predetermined time following the stopping of the internal combustion engine (1). ! 3. A method according to claim 1 or 2, characterized in that said characteristic parameters are the temperature at the inlet of the particle filter (6) and the temperature at the outlet of the particle filter (6). ! 4. The method according to claim 3, characterized in that the conclusion about the combustion of particles in the filter (6) of particles is made in the case when the temperature at the outlet of the filter (6) exceeds a predetermined temperature threshold in a predetermined period of time at the inlet of the filter (6) ... ! 5. The method according to claim 3, characterized in that the temperature gradient in the filter (6) is estimated by the change in temperatures at the inlet and outlet of the filter and the conclusion about the combustion of particles in the particle filter (6) is made in the case when the estimated temperature gradient exceeds a predetermined maximum. ! 6. The method according to claim 1, characterized in that in the case of determining combustion in the filter, the amount of soot burned during this combustion is estimated from the change in temperatures at the inlet and outlet of the filter (6) during this

Claims (12)

1. Способ распознавания сгорания в фильтре (6) частиц, встроенном в систему выпуска отработавших газов двигателя (1) внутреннего сгорания, периодическую регенерацию которого осуществляют соответствующими средствами, включающий этап измерения или оценки характерных параметров сгорания в упомянутом фильтре (6) и этап обработки этих параметров для диагностирования случая сгорания и оценки его интенсивности, отличающийся тем, что указанные этапы осуществляют в процессе всей фазы работы двигателя (1) и, в частности, в процессе фаз управляемых регенераций фильтра (6).1. A method for recognizing combustion in a particle filter (6) integrated in an exhaust system of an internal combustion engine (1), the periodic regeneration of which is carried out by appropriate means, including a step for measuring or evaluating characteristic combustion parameters in said filter (6) and a processing step for these parameters for diagnosing the case of combustion and assessing its intensity, characterized in that the said steps are carried out during the entire phase of the engine (1) and, in particular, during the phases of the controlled p filter regeneration (6). 2. Способ по п.1, отличающийся тем, что упомянутые этапы, дополнительно осуществляют в процессе заданного времени, следующего за остановкой двигателя (1) внутреннего сгорания.2. The method according to claim 1, characterized in that the said steps are additionally carried out in the process of a predetermined time following the shutdown of the internal combustion engine (1). 3. Способ по п.1 или 2, отличающийся тем, что упомянутыми характерными параметрами являются температура на входе фильтра (6) частиц и температура на выходе фильтра (6) частиц.3. The method according to claim 1 or 2, characterized in that said characteristic parameters are the inlet temperature of the particle filter (6) and the outlet temperature of the particle filter (6). 4. Способ по п.3, отличающийся тем, что вывод о сгорании частиц в фильтре (6) частиц делают в том случае, когда температура на выходе фильтра (6) превышает заданное пороговое значение температуры в заданный промежуток времени на входе фильтра (6).4. The method according to claim 3, characterized in that the conclusion about the combustion of particles in the filter (6) of particles is made in the case when the temperature at the outlet of the filter (6) exceeds a predetermined threshold temperature at a predetermined period of time at the inlet of the filter (6) . 5. Способ по п.3, отличающийся тем, что градиент температуры в фильтре (6) оценивают по изменению температур на входе и на выходе фильтра и вывод о сгорании частиц в фильтре (6) частиц делают в случае, когда оцененный градиент температуры превышает заданный максимум.5. The method according to claim 3, characterized in that the temperature gradient in the filter (6) is estimated by the change in temperature at the inlet and outlet of the filter and the conclusion about the combustion of particles in the filter (6) of particles is made when the estimated temperature gradient exceeds a predetermined maximum. 6. Способ по п.1, отличающийся тем, что в случае определения сгорания в фильтре количество сажи, сгоревшей в процессе этого сгорания, оценивают по изменению температур на входе и на выходе фильтра (6) в процессе этого сгорания и по продолжительности этого сгорания.6. The method according to claim 1, characterized in that in the case of determining combustion in the filter, the amount of soot burned during this combustion is evaluated by the change in temperature at the inlet and outlet of the filter (6) during this combustion and by the duration of this combustion. 7. Способ диагностики неисправности фильтра частиц, встроенного в систему выпуска отработавших газов двигателя внутреннего сгорания с использованием способа распознавания сгорания по одному из пп.2-4, отличающийся тем, что вывод о неисправности фильтра (6) частиц делают в том случае, если температура на выходе фильтра (6) превышает температуру на входе фильтра (6) на заданный предел в заданный отрезок времени.7. A method for diagnosing a malfunction of a particle filter built into the exhaust system of an internal combustion engine using a combustion recognition method according to one of claims 2 to 4, characterized in that a conclusion about a malfunction of the particle filter (6) is made if the temperature at the output of the filter (6) exceeds the temperature at the inlet of the filter (6) by a predetermined limit in a given period of time. 8. Способ диагностики неисправности фильтра частиц, встроенного в систему выпуска отработавших газов двигателя внутреннего сгорания с использованием способа распознавания сгорания по одному из пп.2, 3 или 5, отличающийся тем, что вывод о неисправности фильтра (6) частиц делают в том случае, когда измеренный градиент температуры превышает заданный порог.8. A method for diagnosing a malfunction of a particle filter built into the exhaust system of an internal combustion engine using a combustion recognition method according to one of claims 2, 3 or 5, characterized in that a conclusion about a malfunction of the particle filter (6) is made in the case when the measured temperature gradient exceeds a predetermined threshold. 9. Способ по п.7 или 8, отличающийся тем, что реализуется в автомобиле с двигателем внутреннего сгорания, содержащим фильтр частиц в системе выпуска отработавших газов и дополнительно содержащим модуль «встроенной диагностики» (OBD) (8), причем в упомянутый модуль (8) записывают информацию о неисправности фильтра (6) частиц, если определяют неисправность фильтра (6) частиц.9. The method according to claim 7 or 8, characterized in that it is implemented in a car with an internal combustion engine containing a particle filter in the exhaust system and additionally containing a module "built-in diagnostics" (OBD) (8), and in said module ( 8) record information about the malfunction of the particle filter (6), if the malfunction of the particle filter (6) is determined. 10. Способ по п.7, реализуемый в автомобиле, содержащем, кроме того, световое устройство (9) для сигнализации о неисправности фильтра (6) частиц, отличающийся тем, что управляют световым устройством (9) при обнаружении неисправности фильтра (6) частиц.10. The method according to claim 7, implemented in a car, containing, in addition, a light device (9) for signaling a filter malfunction (6) of particles, characterized in that the light device (9) is controlled when a filter malfunction (6) is detected . 11. Устройство, содержащее двигатель (1) внутреннего сгорания, снабженный системой выпуска отработавших газов, содержащей фильтр (6) частиц, средства оценки характерных параметров сгорания в фильтре (6) частиц, средства обработки этих параметров, позволяющие диагностировать случай сгорания, а также оценивать его интенсивность, отличающееся тем, что упомянутые средства задействованы в процессе всей фазы работы двигателя, и, в частности, в течение фаз управляемых регенераций фильтра (6).11. A device comprising an internal combustion engine (1) equipped with an exhaust system containing a particle filter (6), means for evaluating the characteristic parameters of the combustion in the particle filter (6), means for processing these parameters to diagnose a combustion event, and also to evaluate its intensity, characterized in that the said means are involved in the process of the entire phase of the engine, and, in particular, during the phases of the controlled regeneration of the filter (6). 12. Устройство по п.11, отличающееся тем, что средства оценки параметров являются средством оценки или измерения температуры на входе фильтра и температурным зондом (11) на выходе фильтра. 12. The device according to claim 11, characterized in that the means for evaluating the parameters are means for evaluating or measuring the temperature at the inlet of the filter and a temperature probe (11) at the output of the filter.
RU2010154411/06A 2008-05-30 2009-05-07 Method and device for detection of combustion in particle filter RU2484266C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0853563 2008-05-30
FR0853563A FR2931879B1 (en) 2008-05-30 2008-05-30 METHOD AND DEVICE FOR RECOGNIZING COMBUSTION IN A PARTICLE FILTER
PCT/FR2009/050847 WO2009144428A1 (en) 2008-05-30 2009-05-07 Method and device for recognizing combustion in a particle filter

Publications (2)

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RU2010154411A true RU2010154411A (en) 2012-07-10
RU2484266C2 RU2484266C2 (en) 2013-06-10

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US (1) US20110066316A1 (en)
EP (1) EP2283212A1 (en)
CN (1) CN102046936A (en)
FR (1) FR2931879B1 (en)
RU (1) RU2484266C2 (en)
WO (1) WO2009144428A1 (en)

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