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DPF regeneration method and device, ECU and storage medium

A DPF and carbon regeneration technology, applied in the field of vehicle engineering, can solve the problems of poor accuracy and low regeneration efficiency, and achieve the effect of improving accuracy, improving efficiency and reducing the possibility of regeneration failure.

Active Publication Date: 2021-11-19
WEICHAI POWER CO LTD
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  • Application Information

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Problems solved by technology

[0004]However, the accuracy of the time to perform DPF regeneration determined by the above-mentioned DPF regeneration method is poor, and the efficiency of performing the driving regeneration of DPF is low

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  • DPF regeneration method and device, ECU and storage medium
  • DPF regeneration method and device, ECU and storage medium
  • DPF regeneration method and device, ECU and storage medium

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Embodiment Construction

[0048] In order to make the purpose, technical solutions and advantages of this application clearer, the technical solutions in this application will be clearly and completely described below in conjunction with the accompanying drawings in this application. Obviously, the described embodiments are part of the embodiments of this application , but not all examples. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0049]Several concepts involved in this application are firstly explained and described below.

[0050] Diesel particulate filters (Diesel particulate filters, DPF): installed in the exhaust pipe of the engine, used to capture the particulate matter in the exhaust gas generated after diesel combustion, so as to reduce the emission of vehicle particulate matter. Among them, the above-mentioned particles are mainly...

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Abstract

The invention provides a DPF regeneration method and device, an ECU and a storage medium. The method comprises the steps that in the vehicle traveling process, the first carbon loading capacity of a DPF of an engine of a vehicle is obtained; when the first carbon loading capacity is equal to a first preset threshold value, road condition information of a to-be-driven path of the vehicle is obtained; the first preset threshold value is smaller than a first regeneration carbon loading capacity threshold value for triggering DPF traveling regeneration; according to the road condition information, the time for executing DPF traveling regeneration is obtained; and when the time for executing DPF traveling regeneration is reached, traveling regeneration is executed on the DPF. According to the DPF regeneration method and device, the ECU and the storage medium, the accuracy of determining the time for executing DPF regeneration is improved, and the efficiency of executing DPF traveling regeneration is improved.

Description

technical field [0001] The present application relates to vehicle engineering technology, in particular to a DPF regeneration method, device, ECU and storage medium. Background technique [0002] Diesel particulate filters (Diesel particulate filters, DPF) are installed in the exhaust pipeline of the vehicle engine to trap carbon particles in the exhaust gas generated after diesel combustion. As the amount of carbon particles captured by the DPF (referred to as carbon load) increases, the carbon particle capture capacity of the DPF decreases. Therefore, when the carbon load of the DPF reaches a preset threshold, the carbon particles on the DPF need to be removed (ie, the DPF is regenerated) to restore the particle trapping ability of the DPF. [0003] The existing method for controlling DPF regeneration mainly takes the moment when the carbon load of the DPF is equal to the preset threshold value as the moment when the DPF regeneration is executed while driving. When perfo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N3/025F01N13/00F01N11/00F02D41/02
CPCF01N3/0253F01N11/00F01N13/00F02D41/029Y02T10/40
Inventor 朱兴军王树森刘海朋陈玉杰赵崇男
Owner WEICHAI POWER CO LTD
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