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Carbon carrying capacity detection method, equipment, storage medium and device

A detection method and technology of carbon load, applied in the direction of mechanical equipment, electric control of exhaust treatment device, diagnostic device of exhaust treatment device, etc., can solve frequent regeneration of vehicle carbon load, inaccurate carbon load model, Issues that affect drivability, vehicle performance, etc.

Active Publication Date: 2020-10-30
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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Problems solved by technology

[0005] The present invention provides a method, equipment, storage medium and device for detecting the GPF carbon load of a gasoline engine particle filter, aiming at solving the problem of frequent regeneration of vehicle carbon load caused by the imprecise carbon load model of the above-mentioned particle filter, which affects drivability and vehicle performance issues

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  • Carbon carrying capacity detection method, equipment, storage medium and device
  • Carbon carrying capacity detection method, equipment, storage medium and device
  • Carbon carrying capacity detection method, equipment, storage medium and device

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Embodiment Construction

[0047] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0048] refer to figure 1 , figure 1 It is a schematic diagram of the processor structure of the carbon load detection device in the operating environment of the embodiment of the present invention.

[0049] The carbon load detection device includes a memory, a processor and a carbon load detection program stored in the memory and operable on the processor. Such as figure 1 As shown, the device processor includes: a preset clean GPF pressure difference model 1002 , a preset pressure drop pressure difference index model 1003 , and a function calibration model 1004 of a preset pressure difference index and carbon load. The preset clean GPF pressure difference model 1002, the preset pressure drop pressure difference index model 1003, and the preset pressure difference index and carbon load function calibration model 10...

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Abstract

The invention discloses a carbon carrying capacity detection method, equipment, a storage medium and a device. The actual pressure difference value of an inlet and an outlet of a gasoline engine particulate filter GPF and the current exhaust flow of an engine are firstly acquired, the model pressure difference value is calculated according to the current exhaust flow, pressure drop of the GPF is obtained according to the actual pressure difference value and the model pressure difference value, the pressure difference index is obtained according to the pressure drop and a preset pressure drop and pressure difference index model, pressure difference conversion and calibration are carried out according to the pressure difference index, and the carbon carrying capacity of the GPF is obtained.A carbon carrying capacity model cannot accurately and stably acquire the carbon carrying capacity in the prior art, by means of the method, the pressure difference index is obtained through the pressure drop relation of the actual pressure difference value and the model pressure difference value, the carbon carrying capacity of the GPF is further obtained, and therefore a GPF carbon carrying capacity estimation and calculation model can accurately and stably acquire the carbon carrying capacity in the GPF.

Description

technical field [0001] The invention relates to the technical field of automobiles, in particular to a carbon load detection method, equipment, storage medium and device. Background technique [0002] With the continuous growth of car ownership, vehicle exhaust emissions have brought more and more pressure on the environment, among which particulate matter (PM) emissions from gasoline engines are an important part of pollutants. With China's Ministry of Environmental Protection promulgating the National Phase VI emission regulations, the emission limits for particulate matter have become more stringent. The use of gasoline engine particulate filter GPF can effectively reduce particulate matter emissions, and has been widely used in six engine platform projects in various countries. [0003] Since the particles of gasoline engines are smaller and lower than those of diesel engines, high requirements are placed on the accuracy of the carbon load model of particle traps. An i...

Claims

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Application Information

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IPC IPC(8): F01N11/00
CPCF01N11/00F01N11/005Y02T10/40
Inventor 张世昊张文明吴全军叶宏全李凯
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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