Remote sensing detection method of motor vehicle exhaust based on combustion equation correction algorithm

A technology of combustion equation and detection method, applied in transmittance measurement and other directions, can solve problems such as large uncertainty and limitation

Active Publication Date: 2017-05-31
浙江多普勒环保科技有限公司
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Problems solved by technology

But it is still based on the assumption that the fuel composition of gasoline and diesel is CH 2 And under the premise of a specific oxygen content, it is not possible to give the conditions applicable to different O 2 The general formula of concentration has a large uncertainty, and its practical application is greatly limited

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  • Remote sensing detection method of motor vehicle exhaust based on combustion equation correction algorithm
  • Remote sensing detection method of motor vehicle exhaust based on combustion equation correction algorithm
  • Remote sensing detection method of motor vehicle exhaust based on combustion equation correction algorithm

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Embodiment Construction

[0097] The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

[0098] A method for remote sensing detection of motor vehicle exhaust gas based on a combustion equation correction algorithm of the present invention comprises the following steps:

[0099] 1) When no motor vehicle passes through the optical path of the remote sensing detection device, the road background light signal is detected by the detector of the remote sensing detection device.

[0100] 2) When a motor vehicle passes through the optical path of the remote sensing detection device, the exhaust plume of the motor vehicle passes through the beam emitted by the light source at the transmitting end of the remote sensing detection device, and the transmitted beam absorbed by the exhaust gas is reflected to the detector of the remote sensing detection device for detection and recording, Obtain the vehicle exhaust light signal.

[0101] 3) According to...

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Abstract

The invention relates to a remote sensing detection method of motor vehicle exhaust based on a combustion equation correction algorithm. The remote sensing detection method comprises the following steps of obtaining a road background light signal according to the detection of a detector of remote sensing detection equipment; obtaining a motor vehicle exhaust light signal according to the detection of the detector of the remote sensing detection equipment; obtaining gas puff values of CO, HC, NO, NH3 and CO2 in the motor vehicle exhaust and particulate matter smoke opacity according to the difference between the motor vehicle exhaust light signal and the road background light signal, and calculating the ratio of relative volume concentrations of CO, HC, NO, NH3 and CO2 in the motor vehicle exhaust; calculating the volume concentrations of CO2, CO, HC, NO and NH3 in the motor vehicle exhaust by adopting a corrected combustion equation according to the obtained ratio of the relative volume concentrations of CO, HC, NO, NH3 and CO2 in the motor vehicle exhaust, and calculating emission factors of all gaseous pollutants in the motor vehicle exhaust on the basis of oil.

Description

technical field [0001] The invention relates to a remote sensing monitoring method for motor vehicle exhaust, in particular to a remote sensing detection method for motor vehicle exhaust based on a combustion equation correction algorithm. Background technique [0002] Vehicle exhaust remote sensing detection technology actually measures the ratio of relative concentrations between gases, and to convert the measured ratio into exhaust gas concentration requires the help of the combustion equation theory in the engine combustion process and the four atoms of C, H, O, and N. The principle of conservation of mass. Therefore, the accuracy of exhaust gas detection data depends on the detection sensitivity of remote sensing equipment on the one hand, and the rationality of the theoretical model algorithm on the other hand. When the existing remote sensing detection technology uses the combustion equation to calculate the exhaust gas concentration, it is usually assumed that the e...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/59
CPCG01N21/59
Inventor 黄子龙王坤余学春
Owner 浙江多普勒环保科技有限公司
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