RU2008144967A - METHOD FOR MANAGING THE CLEANING SYSTEM REGENERATION AND DEVICE FOR ITS IMPLEMENTATION - Google Patents

METHOD FOR MANAGING THE CLEANING SYSTEM REGENERATION AND DEVICE FOR ITS IMPLEMENTATION Download PDF

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RU2008144967A
RU2008144967A RU2008144967/06A RU2008144967A RU2008144967A RU 2008144967 A RU2008144967 A RU 2008144967A RU 2008144967/06 A RU2008144967/06 A RU 2008144967/06A RU 2008144967 A RU2008144967 A RU 2008144967A RU 2008144967 A RU2008144967 A RU 2008144967A
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Russia
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fuel
exhaust manifold
control method
temperature
engine
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RU2008144967/06A
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Russian (ru)
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RU2435043C2 (en
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Жан-Марк ДЮКЛО (FR)
Жан-Марк ДЮКЛО
Фредерик ЛИППАН (FR)
Фредерик ЛИППАН
Мохаммед УАЗЗАНИ-ШАДИ (FR)
Мохаммед УАЗЗАНИ-ШАДИ
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Рено С.А.С. (Fr)
Рено С.А.С.
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    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
    • F02D41/029—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a particulate filter
    • 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 ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • 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 ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F01N13/0093—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are of the same type
    • 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
    • F01N3/025—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 using fuel burner or by adding fuel to exhaust
    • F01N3/0253—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 using fuel burner or by adding fuel to exhaust adding fuel to exhaust gases
    • 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
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • 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
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/36—Arrangements for supply of additional fuel
    • 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
    • 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
    • F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
    • 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
    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402—Multiple injections
    • F02D41/405—Multiple injections with post injections
    • 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
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/02—Combinations of different methods of purification filtering and catalytic conversion
    • 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
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion
    • 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
    • F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
    • F01N2430/08—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by modifying ignition or injection timing
    • 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
    • F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
    • 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
    • F01N2900/1602—Temperature of exhaust gas apparatus
    • 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
    • F02D2200/021—Engine temperature
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/024—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus
    • F02D41/025—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus by changing the composition of the exhaust gas, e.g. for exothermic reaction on exhaust gas treating apparatus
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
    • F02D41/0275—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a NOx trap or adsorbent
    • F02D41/028—Desulfurisation of NOx traps or adsorbent
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1445—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being related to the exhaust flow
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1446—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being exhaust temperatures
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • F02D41/182—Circuit arrangements for generating control signals by measuring intake air flow for the control of a fuel injection device
    • 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)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

1. Способ управления регенерацией очистительной системы, содержащей катализатор окисления и фильтр (8), включающий введение топлива в выхлопные газы путем впрысков с запаздыванием в некоторые камеры сгорания двигателя и/или путем прямых впрысков в выхлопной коллектор на входе фильтра посредством инжектора (9), предназначенного для выхлопного коллектора, в зависимости от температуры на входе системы, отличающийся тем, что количество (Qred) вводимого топлива для прямых впрысков в выхлопной коллектор и/или для впрысков с запаздыванием в некоторые камеры сгорания назначают в зависимости от температуры стенки (Tparoi) выхлопного коллектора. ! 2. Способ управления по п.1, отличающийся тем, что впрыск топлива в выхлопной коллектор осуществляют только в некоторых диапазонах работы двигателя. ! 3. Способ управления по п.1, отличающийся тем, что впрыск топлива в выхлопной коллектор ограничен зоной наименьших нагрузок и зоной наибольших нагрузок двигателя. ! 4. Способ управления по любому из пп.1-3, отличающийся тем, что температуру стенки определяют при помощи датчика. ! 5. Способ управления по любому из пп.1-3, отличающийся тем, что температуру стенки (Tparoi) определяют посредством модели, введенной в вычислительное устройство двигателя, в зависимости от параметров, содержащих температуру выхлопных газов перед турбиной турбокомпрессора (Tavt), температуру воды (Teau), расход выхлопных газов (Qech) и расход воздуха (Qair). ! 6. Способ управления по п.1, отличающийся тем, что количество топлива (Qinj), впрыскиваемого в выхлопной коллектор, ограничено максимальным количеством (Qinj max), сверх которого впрыскиваемое топливо не будет полностью окислятьс� 1. A method for controlling the regeneration of a purification system containing an oxidation catalyst and a filter (8), comprising introducing fuel into the exhaust gases by means of delayed injections into some combustion chambers of the engine and / or by direct injections into the exhaust manifold at the filter inlet by means of an injector (9), intended for the exhaust manifold, depending on the temperature at the inlet of the system, characterized in that the amount (Qred) of the fuel introduced for direct injections into the exhaust manifold and / or for injections with delay in some combustion chambers is assigned depending on the wall temperature (Tparoi) of the exhaust collector. ! 2. A control method according to claim 1, characterized in that fuel is injected into the exhaust manifold only in certain ranges of engine operation. ! 3. A control method according to claim 1, characterized in that the fuel injection into the exhaust manifold is limited to the zone of lowest loads and the zone of highest engine loads. ! 4. A control method according to any one of claims 1 to 3, characterized in that the wall temperature is determined using a sensor. ! 5. A control method according to any one of claims 1 to 3, characterized in that the wall temperature (Tparoi) is determined by means of a model entered into the engine computing device, depending on parameters containing the temperature of the exhaust gases in front of the turbocharger turbine (Tavt), water temperature (Teau), exhaust gas flow (Qech) and air flow (Qair). ! 6. A control method according to claim 1, characterized in that the amount of fuel (Qinj) injected into the exhaust manifold is limited by a maximum amount (Qinj max) beyond which the injected fuel will not completely oxidize�

Claims (25)

1. Способ управления регенерацией очистительной системы, содержащей катализатор окисления и фильтр (8), включающий введение топлива в выхлопные газы путем впрысков с запаздыванием в некоторые камеры сгорания двигателя и/или путем прямых впрысков в выхлопной коллектор на входе фильтра посредством инжектора (9), предназначенного для выхлопного коллектора, в зависимости от температуры на входе системы, отличающийся тем, что количество (Qred) вводимого топлива для прямых впрысков в выхлопной коллектор и/или для впрысков с запаздыванием в некоторые камеры сгорания назначают в зависимости от температуры стенки (Tparoi) выхлопного коллектора.1. A method for controlling the regeneration of a purification system containing an oxidation catalyst and a filter (8), comprising introducing fuel into the exhaust gases by injection with a delay in some combustion chambers of the engine and / or by direct injection into the exhaust manifold at the filter inlet by means of an injector (9), intended for the exhaust manifold, depending on the temperature at the inlet of the system, characterized in that the quantity (Q red ) of injected fuel for direct injections into the exhaust manifold and / or for injections with a delay in some Other combustion chambers are assigned depending on the wall temperature (T paroi ) of the exhaust manifold. 2. Способ управления по п.1, отличающийся тем, что впрыск топлива в выхлопной коллектор осуществляют только в некоторых диапазонах работы двигателя.2. The control method according to claim 1, characterized in that the fuel injection into the exhaust manifold is carried out only in certain ranges of engine operation. 3. Способ управления по п.1, отличающийся тем, что впрыск топлива в выхлопной коллектор ограничен зоной наименьших нагрузок и зоной наибольших нагрузок двигателя.3. The control method according to claim 1, characterized in that the fuel injection into the exhaust manifold is limited to the zone of lowest loads and the zone of highest engine loads. 4. Способ управления по любому из пп.1-3, отличающийся тем, что температуру стенки определяют при помощи датчика.4. The control method according to any one of claims 1 to 3, characterized in that the wall temperature is determined using a sensor. 5. Способ управления по любому из пп.1-3, отличающийся тем, что температуру стенки (Tparoi) определяют посредством модели, введенной в вычислительное устройство двигателя, в зависимости от параметров, содержащих температуру выхлопных газов перед турбиной турбокомпрессора (Tavt), температуру воды (Teau), расход выхлопных газов (Qech) и расход воздуха (Qair).5. The control method according to any one of claims 1 to 3, characterized in that the wall temperature (T paroi ) is determined by a model inserted in the engine computing device, depending on parameters containing the temperature of the exhaust gases in front of the turbine of the turbocharger (T avt ), water temperature (T eau ), exhaust gas flow rate (Q ech ) and air flow rate (Q air ). 6. Способ управления по п.1, отличающийся тем, что количество топлива (Qinj), впрыскиваемого в выхлопной коллектор, ограничено максимальным количеством (Qinj max), сверх которого впрыскиваемое топливо не будет полностью окисляться катализатором окисления в этом коллекторе.6. The control method according to claim 1, characterized in that the amount of fuel (Q inj ) injected into the exhaust manifold is limited by the maximum amount (Q inj max ) above which the injected fuel will not be completely oxidized by the oxidation catalyst in this manifold. 7. Способ управления по п.1, отличающийся тем, что топливо предпочтительно впрыскивают в выхлопной коллектор, пока количество (Qinj) впрыскиваемого топлива остается меньше максимального количества (Qinj max) топлива, полностью окисляемого в этом коллекторе.7. The control method according to claim 1, characterized in that the fuel is preferably injected into the exhaust manifold, while the amount (Q inj ) of injected fuel remains less than the maximum amount (Q inj max ) of fuel completely oxidized in this manifold. 8. Способ управления по п.7, отличающийся тем, что избыток топлива (Qpoi) по отношению к количеству окисляемого топлива (Qinj max) в выхлопном коллекторе вводят путем впрысков с запаздыванием в камеры сгорания двигателя.8. The control method according to claim 7, characterized in that the excess fuel (Q poi ) with respect to the amount of oxidizable fuel (Q inj max ) in the exhaust manifold is introduced by injection with a delay in the combustion chambers of the engine. 9. Способ управления по п.1, отличающийся тем, что общее количество (Qred) топлива корректируют по каждой рабочей точке двигателя при помощи показателя, зависящего от разности между температурой (Tefap) на входе в фильтр и заданной (Tcons) температурой регенерации.9. The control method according to claim 1, characterized in that the total quantity (Q red ) of fuel is adjusted for each engine operating point using an indicator depending on the difference between the temperature (T efap ) at the inlet of the filter and the target (T cons ) temperature regeneration. 10. Способ управления по п.1, отличающийся тем, что вычислительное устройство (22) двигателя обеспечивает количество (Qred) топлива в инжекторе выхлопного коллектора (9) до уровня насыщения катализатора (7) окисления прежде, чем перенести избыток, требуемый для регенерации фильтра (8), на впрыски топлива с запаздыванием в камеры сгорания двигателя.10. The control method according to claim 1, characterized in that the engine computing device (22) provides the quantity (Q red ) of fuel in the injector of the exhaust manifold (9) to the saturation level of the oxidation catalyst (7) before transferring the excess required for regeneration filter (8), for fuel injection with delay in the combustion chambers of the engine. 11. Способ управления по п.10, отличающийся тем, что расход выхлопного инжектора предпочтительно меняется в ответ на изменение общего заданного значения расхода.11. The control method according to claim 10, characterized in that the flow rate of the exhaust injector preferably changes in response to a change in the overall set flow rate value. 12. Способ управления по п.1, отличающийся тем, что очистительная система (8) является фильтром-улавливателем частиц.12. The control method according to claim 1, characterized in that the cleaning system (8) is a particle trap filter. 13. Устройство для осуществления способа по любому из пп.1-12, отличающееся тем, что содержит инжектор (9) на выхлопном коллекторе, первый температурный датчик (11) на входе в турбину турбокомпрессора, катализатор (7) окисления, второй температурный датчик (12), измеряющий температуру (Tefap) на входе очистительной системы, очистительную систему (8) и средство определения температуры (Tparoi) стенки выхлопного коллектора.13. A device for implementing the method according to any one of claims 1 to 12, characterized in that it comprises an injector (9) on the exhaust manifold, a first temperature sensor (11) at the inlet of the turbocharger turbine, an oxidation catalyst (7), and a second temperature sensor ( 12) measuring the temperature (T efap ) at the inlet of the cleaning system, the cleaning system (8) and means for determining the temperature (T paroi ) of the exhaust manifold wall. 14. Устройство по п.13, отличающееся тем, что средством определения температуры стенки является вычислительная модель, введенная в вычислительное устройство(22).14. The device according to item 13, wherein the means of determining the wall temperature is a computational model introduced into the computing device (22). 15. Устройство по п.13, отличающееся тем, что топливный инжектор (9) расположен на входе в турбину турбокомпрессора (2).15. The device according to item 13, wherein the fuel injector (9) is located at the entrance to the turbine of the turbocompressor (2). 16. Устройство по п.14, отличающееся тем, что топливный инжектор (9) расположен на входе в турбину турбокомпрессора (2).16. The device according to 14, characterized in that the fuel injector (9) is located at the entrance to the turbine of the turbocharger (2). 17. Устройство по п.13, отличающееся тем, что топливный инжектор (9) расположен на выходе из турбины турбокомпрессора (2).17. The device according to item 13, wherein the fuel injector (9) is located at the outlet of the turbocharger turbine (2). 18. Устройство по п.14, отличающееся тем, что топливный инжектор (9) расположен на выходе из турбины турбокомпрессора (2).18. The device according to 14, characterized in that the fuel injector (9) is located at the outlet of the turbine of the turbocharger (2). 19. Устройство по любому из пп.13-18, отличающееся тем, что первый температурный датчик (11) установлен на входе в турбину турбокомпрессора (2).19. Device according to any one of paragraphs.13-18, characterized in that the first temperature sensor (11) is installed at the inlet of the turbocharger turbine (2). 20. Устройство по любому из пп.13-18, отличающееся тем, что содержит четвертый температурный датчик (14) на выходе очистительной системы (Tsfap).20. The device according to any one of paragraphs.13-18, characterized in that it contains a fourth temperature sensor (14) at the outlet of the purification system (T sfap ). 21. Устройство по п.19, отличающееся тем, что содержит четвертый температурный датчик (14) на выходе очистительной системы (Tsfap).21. The device according to claim 19, characterized in that it contains a fourth temperature sensor (14) at the outlet of the purification system (T sfap ). 22. Устройство по любому из пп.13-18, отличающееся тем, что очистительная система (8) представляет собой фильтр-улавливатель частиц.22. A device according to any one of claims 13-18, characterized in that the cleaning system (8) is a particle filter. 23. Устройство по п.19, отличающееся тем, что очистительная система (8) представляет собой фильтр-улавливатель частиц.23. The device according to claim 19, characterized in that the cleaning system (8) is a particle filter. 24. Устройство по любому из пп.13-18, отличающееся тем, что очистительная система (8) представляет собой ловушку для оксидов азота.24. Device according to any one of paragraphs.13-18, characterized in that the purification system (8) is a trap for nitrogen oxides. 25. Устройство по п.19, отличающееся тем, что очистительная система (8) представляет собой ловушку для оксидов азота. 25. The device according to claim 19, characterized in that the cleaning system (8) is a trap for nitrogen oxides.
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