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Intelligent navigation system with integrated vehicle fault diagnosis function

A vehicle fault diagnosis function technology, applied in the comprehensive application field of vehicle fault diagnosis and GPS navigation, can solve problems such as ignorance of warnings, driver problems, etc., and achieve the effect of preventing damage and avoiding accidents

Inactive Publication Date: 2007-07-11
SHENZHEN SEG SCI NAVIGATIONS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, after the OBD II system fails, only MIL is the way to remind the driver, but sometimes the driver may cause problems due to lack of attention, or may not understand the warning of MIL

Method used

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  • Intelligent navigation system with integrated vehicle fault diagnosis function
  • Intelligent navigation system with integrated vehicle fault diagnosis function

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Experimental program
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Embodiment Construction

[0020] The invention includes two parts: a vehicle fault diagnosis unit and a host unit. The vehicle fault diagnosis unit reads the fault code of the vehicle through the standard interface provided by OBD-II, and transmits it to the host unit. The host unit analyzes the fault code and gives an easy-to-understand explanation.

[0021] As shown in FIG. 1, it is a hardware structural diagram of a preferred embodiment of the present invention. UT1 is the vehicle fault diagnosis unit, and UT2 is the host unit. In this embodiment, the two units are independent of each other, but actually the two units can also be combined into one.

[0022] UT1 adopts a single-processor structure, mainly a microprocessor and OBD-II unit, supplemented by a transmission control chip. UT1 can read the fault code, screen the fault code, and actively transmit the fault code to the host unit.

[0023] UT2 adopts a dual-processor architecture, with a 32-bit ARM processor as the main processor and a 16-...

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PUM

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Abstract

The integral vehicle failure diagnosis function intelligent guiding system comprises vehicle failure diagnosis unit and main unit, with the said vehicle failure diagnosis unit reading the failure code based on OBD-II standard interface, sending it to the main unit to guide and analyze the failure code to provide easy interpretation. It can read vehicle failure code at fixed time with uploaded big failures, asking for vehicle failure code of the main unit simultaneously, realizing timely monitoring of the vehicle failure. Besides, it can analyze the failure code, sending warning in sound, words or light, preventing the further damage of vehicles.

Description

technical field [0001] The invention relates to the technical field of comprehensive application of vehicle fault diagnosis and GPS navigation, and more specifically relates to an intelligent navigation system integrated with the vehicle fault diagnosis function. Background technique [0002] Global Positioning System (Global Positioning System, referred to as GPS) was developed by the United States in the 1970s and was fully completed in 1994. It is a new generation of satellite navigation and positioning with all-round real-time three-dimensional navigation and positioning capabilities in sea, land and air. system. The GPS system can be used not only for surveying and navigation, but also for speed measurement and time measurement. Through the accurate positioning of the satellite signal received by GPS, the vehicle's driving route, position, speed, altitude and other information can be known. [0003] On-Board Diagnostics (OBD) is used to automatically diagnose car prob...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S1/02G01S5/02G01M17/007F02D41/22F02D41/00G01C21/26G01C21/36G08C17/02G08C19/00G08C23/04
CPCY02T10/40
Inventor 丁伟李俊峰侯丹
Owner SHENZHEN SEG SCI NAVIGATIONS CO LTD