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Automobile combined meter having automobile electric control diagnosis function and diagnosis method thereof

A combination instrument and diagnostic function technology, which is applied to the instrument and indicates the value of multiple variables at the same time, can solve the problems that cannot meet the needs of information collection, and achieve the effect of wide selection and convenient use

Active Publication Date: 2010-07-14
LAUNCH SOFTWARE DEV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the traditional single-function automotive diagnostic instrument has been unable to meet more and more information collection needs. There is an urgent need for a comprehensive instrument with multiple detection functions in this industry to meet the needs of drivers to understand vehicle faults in a timely and effective manner and Troubleshooting needs

Method used

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  • Automobile combined meter having automobile electric control diagnosis function and diagnosis method thereof
  • Automobile combined meter having automobile electric control diagnosis function and diagnosis method thereof
  • Automobile combined meter having automobile electric control diagnosis function and diagnosis method thereof

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Embodiment Construction

[0033] In order to further elaborate the technical means and effects adopted by the present invention to achieve the predetermined purpose, please refer to the following detailed description and accompanying drawings of the present invention. It is believed that the purpose, characteristics and characteristics of the present invention should be able to gain a deep and specific understanding from this , however, the accompanying drawings are provided for reference and illustration only, and are not intended to limit the present invention.

[0034] Such as figure 1 As shown, the present invention provides an automobile combination instrument with automobile electronic control diagnosis function, which includes: a central controller (MCU) 2, an instrument interface 4, several different function indicating steps electrically connected to the central controller 2 respectively Incoming motor 21, instrument lighting indicator light 22, safety status indicator light 23, multiple funct...

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Abstract

The invention relates to an automobile combined meter having an automobile electric control diagnosis function and a diagnosis method thereof. The automobile combined meter comprises a central controller, a meter interface, a plurality of multifunctional indication step motors electrically connected with the central controller respectively, a meter illumination indicator lamp, a safety status indicator lamp, multifunctional indicator lamps, multi-fault indicator lamps, a display screen, a clock chip, a storage, a voice prompt module, a key processing circuit, a power module electrically connected with the meter interface, a plurality of input signal processing circuits electrically connected with the central control unit and the meter interface respectively and an automobile electric control diagnosis interface circuit, wherein a controller area network (CAN) bus interface and a universal asynchronous receiver / transmitter (UART) interface are arranged on the central control unit. When the automobile combined meter used, the meter interface is electrically connected with the electric control unit of the automobile to be diagnosed, and the central controller is connected with the automobile electric control diagnosis interface circuit through the CAN bus interface or the UART interface and then communicates with the the electric control unit of the automobile to be diagnosed through the meter interface. Having the automobile electric control diagnosis function, the automobile combined meter can prompt the fault of the automobile and make the fault point clear so as to prompt drivers to maintain the automobile better.

Description

technical field [0001] The invention relates to the field of automobile diagnosis, in particular to an automobile combined instrument with automobile electronic control diagnosis function and a diagnosis method thereof. Background technique [0002] With the continuous development of automobile technology, the working status of modern automobiles is controlled and displayed by the electronic control unit (ECU), which makes modern automobiles more advanced in terms of power, safety and environmental protection. With the rapid development of automobile electronic control technology, automobiles are becoming more and more popular, more and more computer-controlled systems are used, the structure of automobiles is becoming more and more complex, and the fault diagnosis of automobiles is becoming more and more complicated. Service technicians are in increasing demand for automotive fault diagnosis equipment. In the current automobile industry, when a car fails, the driver often ...

Claims

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Application Information

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IPC IPC(8): G01D7/02G01D18/00
Inventor 刘均杨伟
Owner LAUNCH SOFTWARE DEV
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