Automobile engine fault diagnose and calibrate apparatus

A car engine and fault diagnosis technology, applied in the direction of instruments, electrical testing/monitoring, control/regulation systems, etc., can solve the inconvenience of maintenance service personnel working on site, the low coverage of 4S cars, the lack of convenient operation and processing data security, etc. problems, to achieve the effect of improving portability, improving safety and accuracy, and improving conversion efficiency

Active Publication Date: 2015-12-16
SHANGHAI UNIV OF ENG SCI
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Problems solved by technology

Since the construction sites are mostly places with inconvenient traffic, once a vehicle breaks down, it will be inconvenient for the maintenance service personnel to work on site
In addition, if the car 4S coverage rate is not high, the above problems will become more serious
[0004] At this stage, there is still a lack of tools for vehicle fault diagnosis and engine controller data calibration that are easy to operate and handle data safely, so as to deal with unexpected situations of vehicles anytime and anywhere

Method used

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  • Automobile engine fault diagnose and calibrate apparatus

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Embodiment Construction

[0036] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.

[0037] A car engine fault diagnosis and calibration equipment, such as figure 1 As shown, it includes a control terminal 3 and an intelligent mobile terminal 4, the control terminal 3 is connected to the on-board computer 1 through the OBD interface 2, the intelligent mobile terminal 4 is connected to the control terminal 3 in a wireless manner, and the control terminal 3 and the on-board computer 1 perform information interaction, The smart mobile terminal 4 sends commands to the control terminal 3 and analyzes the data sent by the control terminal 3 to diagnose and calibrate the veh...

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Abstract

The invention relates to an automobile engine fault diagnose and calibrate apparatus, which comprises a control terminal that is connected to a vehicle computer through an OBD interface to interact information with the vehicle computer; an intelligent mobile terminal that is connected to a control end wirelessly; a user sends instructions to the control end and parses the data sent by the control end to diagnose and calibrate the automobile engine. Compared with prior art, a control end in small size for transfer is set on the automobile, and is in cooperation with a portable intelligent mobile terminal, the fault diagnosis and calibrating to the automobile engine can be done. The portability is greatly improved.

Description

technical field [0001] The invention relates to the field of engine fault diagnosis and calibration, in particular to a vehicle engine fault diagnosis and calibration equipment. Background technique [0002] At present, more advanced calibration systems include VEGA from SCHENCH in Germany, CAMEO from AVL in Austria, VERSION from ATI in Germany, VS100 from Volkswagen in Germany, and CALTOOL from General Motors in the United States. The typical application in China is the KEN calibration system of SIEMENS company, which is mainly used for matching experiments on electronically controlled vehicles produced by FAW. The microcomputer used in the control system is Siemens 80C517A, an 8-bit high-performance single-chip processor. The KEN calibration system is actually a dedicated Siemens 80C517A development system. Experimenters control the experimental process through special software to complete the matching work. In addition, a form of simple calibration system is widely used ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B23/02
CPCG05B23/0221G05B2219/14084
Inventor 龚元明李智林霞
Owner SHANGHAI UNIV OF ENG SCI
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