Soot loading system and loading method thereof
A loading system and soot technology, applied in measurement devices, suspension and porous material analysis, particle suspension analysis, etc., can solve the problems of cumbersome calibration process, low loading efficiency, long development cycle, etc.
Pending Publication Date: 2021-12-17
CHINA FIRST AUTOMOBILE
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Problems solved by technology
In the development process of the GPF control system, there are problems such as a long development cycle and a cumbersome calibration process. During the calibration process, it is necessary to repeatedly perform regeneration tests on GPFs with different carbon loads, that is, a large number of loading and regeneration tests are required.
The loading test on the vehicle is limited by the working conditions, high temperature and disassembly conditions, and the loading efficiency is low
Method used
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[0041] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only the parts related to the present invention are shown in the drawings but not all of them.
[0042] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordin...
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The invention relates to the technical field of engines, in particular to a soot loading system and a loading method thereof. The soot loading system comprises a V-shaped engine, an engine control unit, a dynamometer, a rack control system and two soot loading units, the engine control unit is in communication connection with the V-shaped engine so as to control operation parameters of the V-shaped engine; the dynamometer is used for measuring the power of the V-shaped engine, and the rack control system is in communication connection with the engine control unit and the dynamometer. Each soot loading unit comprises a catalytic converter, a GPF and a first soot measuring device, the catalytic converter is arranged on one of two exhaust pipelines of the V-shaped engine, the GPF is arranged on the exhaust pipeline and located at the downstream of the catalytic converter, the first soot measuring device is used for measuring the first real-time soot concentration between the catalytic converter and the GPF and is in communication connection with the rack control system, so that the rack control system calculates a first soot accumulation value and judges the next operation parameter of the V-type engine.
Description
technical field [0001] The invention relates to the technical field of engines, in particular to a soot loading system and a loading method thereof. Background technique [0002] Gasoline particulate matter emission is one of the sources of air pollution, and gasoline engine particulate filter (Gasoline Particulate Filter GPF) is an important means to deal with gasoline engine particulate matter emission. As a wall-flow soot filter device, GPF needs to be periodically regenerated while intercepting soot, otherwise it will not be able to meet the long-term effective GPF soot interception function. During the development of passenger cars equipped with GPF, it is necessary to develop the control system for GPF. In the development process of the GPF control system, there are problems such as long development cycle and cumbersome calibration process. During the calibration process, repeated regeneration tests on GPFs with different carbon loads are required, that is, a large nu...
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IPC IPC(8): G01N15/06
CPCG01N15/06Y02T10/40
Inventor 宋佰达曲函师冯海涛张杰
Owner CHINA FIRST AUTOMOBILE