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Special refreshing tool and refreshing method for automobile controller software

A technology of automobile controller and software, which is applied in the field of refresh tool for automobile controller software and its software refresh, to achieve the effect of easy portability, low cost, and fast rewriting

Inactive Publication Date: 2012-10-03
奇瑞新能源汽车股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to propose a simple in structure, low in cost, easy to use automobile controller software special refresh tool and its software refresh method, to solve the problem of automobile control module software modification and upgrade

Method used

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  • Special refreshing tool and refreshing method for automobile controller software
  • Special refreshing tool and refreshing method for automobile controller software

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0021] Such as figure 1 As shown, the automotive controller software special refresh tool of the present embodiment includes a power supply module 1, a data processing unit 2, a CAN transceiver 3, an OBD connector 4, a USB interface 5 for connecting with a computer, and an LED indicator light 6, wherein The data processing unit 2 is powered by the power supply module 1, and the data processing unit 2 is formed by connecting a single-chip microcomputer 21 and a USB data processing chip 22. The device 3 is connected with the OBD connector 4, and the USB data processing chip 22 is connected with the USB interface 5.

[0022] The software refresh method of above-mentioned automobile controller software special refresh tool comprises the steps:

[0023] A: Connect the USB interface 5 to the computer, and connect the OBD connector 4 to the car controller;

[0024] B: the single-chip microcomputer 21 downloads the software program code in the computer through the USB interface 5, a...

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PUM

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Abstract

The invention aims at providing a special refreshing tool and a refreshing method for automobile controller software, which are simple in structure, low in cost and convenient for use, and solve the problem about the modification and the upgrade of a control module of an automobile. The special refreshing tool for the automobile controller software provided by the invention comprises a power supply module, a data processing unit, a CAN (controller area network) transceiver, an OBD (on board diagnostic) connector assembly and a computer data interface connected with the computer, wherein the data processing unit is respectively connected with the power supply module, the CAN transceiver and the computer data interface, and the CAN transceiver is connected with the OBD connector assembly. The special refreshing tool for the automobile controller software provided by the invention has the advantages of low cost, convenience for carrying, fast rewriting speed, high accuracy and the like, and is very suitable for rewriting the software of the automobile controller in the development and maintenance process, with very good practicability.

Description

technical field [0001] The invention belongs to the technical field of automobile electronics, and in particular relates to a special refreshing tool for automobile controller software and a software refreshing method thereof. Background technique [0002] With the rapid development of the semiconductor industry, electronic products are gradually integrated into the automotive industry, which enables the rapid development and growth of automotive electronic products, and the wide application of automotive control modules. However, automotive control modules often need to be reflashed due to software code modification during the test matching verification stage. At the same time, after mass production, the control module will also be reflashed due to control software upgrades. Therefore, the automotive industry urgently needs a kind of automotive A dedicated refreshing tool for the controller software to solve the problem of modifying and upgrading the software of the vehicle...

Claims

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Application Information

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IPC IPC(8): G06F9/445
Inventor 桂海勇周维萍
Owner 奇瑞新能源汽车股份有限公司
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