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OBDII code reading card device and system and method for upgrading same

A code-reading card and equipment technology, applied in the direction of instruments, electrical digital data processing, program control devices, etc., can solve the problems of malicious cracking and interference, achieve the effect of preventing malicious cracking and interference, ensuring timely updates, and realizing upgrades

Inactive Publication Date: 2014-02-12
LAUNCH TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an OBDII code reading card device, device upgrade system and method, to solve malicious cracking and interference during the upgrade process, and maintain product security and confidentiality

Method used

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  • OBDII code reading card device and system and method for upgrading same
  • OBDII code reading card device and system and method for upgrading same

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Embodiment Construction

[0029] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0030] see figure 1 As shown, the OBDII code reading card equipment upgrade system of the present invention includes:

[0031] a main control MCU,

[0032] And the data storage module, display button module, diagnostic interface module and power management module respectively connected with the main control MCU,

[0033] The main control MCU (Micro-Controller-Unit) is the control core of the code reading device, which includes application function modules and upgrade modules,

[0034] The upgrade module includes an upgrade interface module, which is used to provide an interface for upgrading cod...

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Abstract

The invention provides an OBDII code reading card device and a system and method for upgrading the OBDII code reading card device. The device comprises a master control MCU, a data storage module, a display key module, a diagnosis interface module and a power management module, wherein the data storage module, the display key module, the diagnosis interface module and the power management module are connected with the master control MCU respectively. The master control MCU comprises an application function module and an upgrade module, wherein the upgrade module comprises an upgrade interface module and is used for providing interfaces for upgrading codes and data for the outside and providing interfaces for upgrading the data and the codes for the inside, and the application function module is used for achieving the diagnosis application function of an OBDII code reading card. By carrying out safety verification on a file to be upgraded, unlimited times of upgrade of the OBDII code reading card is achieved, timely upgrade of the product is guaranteed, the problem of abnormal upgrade caused by equipment exception, misoperation of a user and the like is also prevented, malicious cracking and interference of a third party on the upgrade process can be effectively prevented, and therefore the safety and security of the product are guaranteed.

Description

technical field [0001] The invention relates to the technical field of automobile diagnosis, in particular to an OBDII code reading device, a device upgrading system and a method. Background technique [0002] In 1994, the American Society of Automotive Engineers (SAE) proposed the standard specification for the second-generation vehicle on-board self-diagnosis system (OBDII: On-Board Diagnosis II). Relevant specifications have been made, so that the OBD code reading card industry for car OBD diagnosis has been well developed. Although the OBDII standard is the same, the application of OBD code reading equipment is different, and the required realization modes and application functions are also different. Therefore, there are various code reading cards in the market, and the competition in the industry is also extremely fierce. . [0003] After the OBD code reading card equipment is launched on the market, it needs to update the function to ensure the continuous improvemen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/445G06F13/38
Inventor 刘均张明虎
Owner LAUNCH TECH CO LTD
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