Automobile diagnostic tool

A technology of automobile diagnosis and tools, which is applied in the direction of instruments, electrical testing/monitoring, control/regulation systems, etc., can solve the problems that diagnostic tools cannot meet the needs of daily automobile maintenance, and cannot realize the interactive operation of electronic control units, etc., and achieve information display Clear, portable and easy to operate

Inactive Publication Date: 2016-02-24
ATECH AUTOMOTIVE WUHU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If you need to know the current fault status of the car, you need to communicate with the electronic control unit to obtain the fault information inside the electronic control unit, which is convenient for checking and troubleshooting the car faults. However, the existing diagnostic tools can only read the fault codes of the car and cannot To realize the interactive operation with the electronic control unit, the existing diagnostic tools cannot meet the needs of daily car maintenance

Method used

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  • Automobile diagnostic tool
  • Automobile diagnostic tool
  • Automobile diagnostic tool

Examples

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Embodiment Construction

[0017] The invention connects the standard OBDII interface of the automobile through the DB9 to OBDII, and can carry out online configuration, reading of automobile configuration information, fault information reading and diagnosis of the automobile electronic control unit. It can also communicate with the low-frequency equipment on the vehicle through the low-frequency antenna. For example, the tire pressure sensor will send the current tire pressure information through the high-frequency RF signal after receiving the corresponding coded low-frequency signal. This tool receives and decodes the signal, and finally passes the display module. The received tire pressure information is displayed to the user.

[0018] Specific as Figure 1-3 As shown, the present invention includes that the processing unit 1 is respectively connected to the CAN communication module 2, the K-LINE communication module 3, the low-frequency signal transmission module 4, and the RF high-frequency signal...

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Abstract

The invention discloses an automobile diagnostic tool, which is characterized in that the diagnostic tool includes a processing unit which is connected with a CAN communication module and a K-LINE communication module, and the processing unit transmits low-frequency information to vehicle-mounted low-frequency equipment through a low-frequency signal transmitting module and then receives an RF high-frequency signal fed back by the vehicle-mounted equipment through an RF high-frequency signal; the low-frequency signal transmitting module communicates with the vehicle-mounted low-frequency equipment through a low-frequency antenna; the CAN communication module and the K-LINE communication module communicate with an automobile electronic control unit; and the RF high-frequency receiving module receives and decodes the RF high-frequency signal of a vehicle. The automobile diagnostic tool provided by the invention is small and exquisite in size, convenient to carry, easy to operate, and clear in information display, so that a user can conveniently perform on-line configuration of the vehicle, vehicle information reading, fault diagnosis and the like. At the same time, a menu can realize unlimited nesting if hardware resources allow, and menu data content and menu operation are in zero coupling.

Description

technical field [0001] The invention relates to the technical field of automotive electronics, in particular to an automotive diagnostic tool. Background technique [0002] With the continuous development of automotive electronic technology, the number of various electronic control units on the vehicle is increasing, and each electronic control unit will perform self-diagnosis on its own control and associated circuits, and the diagnostic results are stored inside each electronic control unit EEPROM. If you need to know the current fault status of the car, you need to communicate with the electronic control unit to obtain the fault information inside the electronic control unit, which is convenient for checking and troubleshooting the car faults. However, the existing diagnostic tools can only read the fault codes of the car and cannot To realize the interactive operation with the electronic control unit, the existing diagnostic tools cannot meet the needs of daily car main...

Claims

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Application Information

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IPC IPC(8): G05B23/02
CPCG05B23/0213G05B2219/24065
Inventor 陈泽坚
Owner ATECH AUTOMOTIVE WUHU
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