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Control circuit for monitoring automobile exhaust system and control method thereof

A technology of automobile exhaust system and control circuit, which is applied in the direction of electronic control of exhaust gas treatment device, diagnosis device of exhaust gas treatment device, exhaust gas treatment, etc. Exhaust system overheating and other problems to avoid traffic accidents and prevent accidents from happening

Inactive Publication Date: 2011-04-13
CHERY AUTOMOBILE CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The exhaust system sometimes overheats due to various reasons, which greatly reduces the function, performance, and life of the surrounding components, and even fails in severe cases. Spontaneous combustion accidents due to high temperature and overheating often occur

Method used

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  • Control circuit for monitoring automobile exhaust system and control method thereof
  • Control circuit for monitoring automobile exhaust system and control method thereof

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Embodiment Construction

[0023] Combine below figure 1 , the present invention is further described:

[0024] Such as figure 1 As shown, the control circuit for monitoring the automobile exhaust system mainly includes the following units: fuel supply system or ignition system 1, engine control unit ECU2, temperature sensor 3, instrument display alarm system 4, diagnostic interface 5, and body controller BCM6.

[0025] The temperature sensor 3 is used to collect the temperature value of the automobile exhaust system; the engine control unit ECU2 is used to receive the temperature value adopted by the temperature sensor 3 and compare and judge with the preset temperature limit value, and when a certain preset temperature is reached Actively cut off the work of the fuel supply system or ignition system 1 after time; the instrument display alarm system 4 is used to receive the alarm signal sent by the engine control unit ECU2, and directly remind the driver in a visual and auditory way; and the body con...

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PUM

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Abstract

The invention relates to a control circuit for monitoring an automobile exhaust system and a control method thereof, in particular to the following unit components of an oil supply system or an ignition system, an engine control unit (ECU), a temperature sensor, an instrument display alarm system, a diagnosis interface and a body controller BCM. The circuit can effectively monitor the temperature of the exhaust system, so that when the temperature rise is abnormal, the temperature acquired by the temperature sensor is compared with a preset temperature value of the engine control unit (ECU), three different processing modes, namely early warning, alarming and cut-off of a finished automobile power source, are selectively performed in turn according to a comparison result; therefore, peripheral components of a fore-cab exhaust system are not damaged due to over-temperature melting, and traffic accidents are also avoided.

Description

technical field [0001] The invention relates to a control circuit, in particular to a control circuit for monitoring an automobile exhaust system and a control method thereof. Background technique [0002] With the development of automobile technology, the safety and reliability requirements of automobiles are constantly improving. The exhaust system of a fuel car is very important to the car. It has an important impact on the emission quality of the engine and environmental protection. At the same time, the exhaust system is also one of the heat sources of the front cabin, which is related to the performance and quality of other parts of the front cabin. The exhaust system sometimes overheats due to various reasons, which greatly reduces the function, performance, and life of peripheral components, and even fails in severe cases. Spontaneous combustion accidents due to high temperature and overheating often occur. [0003] Therefore, under the background of today's requi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N11/00
CPCY02T10/47Y02T10/40
Inventor 阴志勇黄旭
Owner CHERY AUTOMOBILE CO LTD
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