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Method, equipment, storage medium and device for detecting oxygen storage capacity of automobile catalytic converter

A technology of automobile catalytic converter and detection method, which is applied in the field of detection of oxygen storage capacity of automobile catalytic converters, can solve problems such as inaccurate detection of oxygen storage capacity, and achieve the effect of accurate oxygen storage value and fast calculation

Active Publication Date: 2022-02-25
DONGFENG LIUZHOU MOTOR
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Problems solved by technology

[0005] The main purpose of the present invention is to provide a method, equipment, storage medium and device for detecting the oxygen storage capacity of automobile catalytic converters, aiming to solve the technical problem of inaccurate detection of oxygen storage capacity of automobile catalytic converters in the prior art

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  • Method, equipment, storage medium and device for detecting oxygen storage capacity of automobile catalytic converter
  • Method, equipment, storage medium and device for detecting oxygen storage capacity of automobile catalytic converter
  • Method, equipment, storage medium and device for detecting oxygen storage capacity of automobile catalytic converter

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Embodiment Construction

[0046] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0047] refer to figure 1 , figure 1 It is a schematic structural diagram of an automobile catalytic converter oxygen storage detection device in the hardware operating environment involved in the solution of the embodiment of the present invention.

[0048] Such as figure 1As shown, the automobile catalytic converter oxygen storage detection device may include: a processor 1001 , such as a central processing unit (Central Processing Unit, CPU), a communication bus 1002 , a user interface 1003 , a network interface 1004 , and a memory 1005 . Wherein, the communication bus 1002 is used to realize connection and communication between these components. The user interface 1003 may include a display screen (Display). The optional user interface 1003 may also include a standard wired interface and a wireless interface. Th...

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Abstract

The invention discloses a method, equipment, storage medium and device for detecting the oxygen storage capacity of an automobile catalytic converter, and relates to the technical field of vehicle diagnosis. During the concentration adjustment process, real-time detection of the filtered air mass flow parameters, excess air coefficient and the voltage value of the rear oxygen sensor in the automotive catalytic converter; When the excess air ratio is used, the first oxygen storage value is determined according to the first filtered air mass flow parameter corresponding to the target excess air ratio; when a target voltage value satisfying the second preset condition is detected, the target voltage is The second filtered air mass flow parameter corresponding to the value determines the second oxygen storage value; the oxygen storage capacity of the automobile catalytic converter is determined according to the first oxygen storage value and the second oxygen storage value. The invention can realize rapid and accurate acquisition of the oxygen storage value.

Description

technical field [0001] The invention relates to the technical field of vehicle diagnosis, in particular to a method, equipment, storage medium and device for detecting the oxygen storage capacity of an automobile catalytic converter. Background technique [0002] When the car is started, due to incomplete combustion and other reasons, a lot of harmful gases will be mixed in the car exhaust. If it is directly discharged into the air, it will cause environmental pollution and affect human health. Therefore, catalytic conversion of exhaust gas is required. By configuring the three-way catalytic converter, the car can convert the harmful gas in the exhaust gas into a harmless gas under chemical agents and high temperature, and then emit it into the air, reducing environmental pollution and reducing the harm to humans. [0003] The three-way catalytic converter can oxidize the high-temperature automobile exhaust passing through the purification device to make it a colorless, non...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D41/14F01N11/00
CPCF01N11/00F02D41/1454F01N2560/025F02D2200/0814Y02T10/40
Inventor 何超吴颂黄国海李占凡杨寿海杨汉黄东杰韦淇鹏
Owner DONGFENG LIUZHOU MOTOR
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