Urea crystallization treatment method and device, engine, equipment and storage medium
The invention relates to the technical field of vehicle safety, in particular to a urea crystallization treatment method and device, an engine, equipment and a storage medium. The method comprises the steps that the conversion efficiency of a selective catalytic reduction system is obtained in real...
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| creator | ZHU SHAODONG FU PANPAN |
| description | The invention relates to the technical field of vehicle safety, in particular to a urea crystallization treatment method and device, an engine, equipment and a storage medium. The method comprises the steps that the conversion efficiency of a selective catalytic reduction system is obtained in real time, the post-pressure value of a particle trap is obtained in real time, and the selective catalytic reduction system and the particle trap are assembled on an engine of a vehicle; under the condition that the conversion efficiency is smaller than the first efficiency calibration value and the post-pressure value is larger than the first pressure calibration value, a parking regeneration instruction is generated; and based on the parking regeneration instruction, the engine is controlled to execute preset urea elimination operation. The method is used for solving the defects that in the prior art, when the urea crystallization problem is treated through hardware, the vehicle structure complexity is increased, and |
| format | Patent |
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The method comprises the steps that the conversion efficiency of a selective catalytic reduction system is obtained in real time, the post-pressure value of a particle trap is obtained in real time, and the selective catalytic reduction system and the particle trap are assembled on an engine of a vehicle; under the condition that the conversion efficiency is smaller than the first efficiency calibration value and the post-pressure value is larger than the first pressure calibration value, a parking regeneration instruction is generated; and based on the parking regeneration instruction, the engine is controlled to execute preset urea elimination operation. 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The method comprises the steps that the conversion efficiency of a selective catalytic reduction system is obtained in real time, the post-pressure value of a particle trap is obtained in real time, and the selective catalytic reduction system and the particle trap are assembled on an engine of a vehicle; under the condition that the conversion efficiency is smaller than the first efficiency calibration value and the post-pressure value is larger than the first pressure calibration value, a parking regeneration instruction is generated; and based on the parking regeneration instruction, the engine is controlled to execute preset urea elimination operation. 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The method comprises the steps that the conversion efficiency of a selective catalytic reduction system is obtained in real time, the post-pressure value of a particle trap is obtained in real time, and the selective catalytic reduction system and the particle trap are assembled on an engine of a vehicle; under the condition that the conversion efficiency is smaller than the first efficiency calibration value and the post-pressure value is larger than the first pressure calibration value, a parking regeneration instruction is generated; and based on the parking regeneration instruction, the engine is controlled to execute preset urea elimination operation. The method is used for solving the defects that in the prior art, when the urea crystallization problem is treated through hardware, the vehicle structure complexity is increased, and</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS |
| title | Urea crystallization treatment method and device, engine, equipment and storage medium |
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