Wireless communication method for vehicle diagnosis data

A wireless communication and vehicle diagnosis technology, applied in the field of wireless communication of vehicle diagnosis data, can solve problems such as session congestion, poor practical experience, and inconsistent communication effects, so as to improve smoothness, high-efficiency data exchange process, and improve user experience Effect

Inactive Publication Date: 2019-01-01
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Abstract
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  • Claims
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Problems solved by technology

However, the transmission efficiency is easily affected by external factors, causing the mobile terminal to wait for a long time without feedback after sending the diagnosis request. Generally speaking, the mobile phone no longer responds after sending the diagnosis request, resulting in poor practical experience. According to the analysis of this process, it may be due to data loss, delay, timeout, and two or more transmission data sticking, which lead to the blocking of the two conversations; or on the other hand, because the electronic control units of different models have different different, leading to differences in message processing capabilities and processing speeds, and diagnostic requests sent by the same mobile terminal, when facing different electronic control units, there will also be problems with inconsistent communication effects

Method used

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  • Wireless communication method for vehicle diagnosis data
  • Wireless communication method for vehicle diagnosis data
  • Wireless communication method for vehicle diagnosis data

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no. 4 example

[0084] based on image 3 Embodiment, the present invention further proposes a kind of implementation reference aiming at abnormality, such as Figure 4 In the fourth embodiment shown, the method specifically includes:

[0085] Step S1, establishing a diagnostic session with the vehicle control unit;

[0086] Step S20, after sending a diagnosis request to the vehicle-mounted control unit, timing according to the first preset time;

[0087] Step S21, judging whether to receive the keep session command sent by the vehicle control unit within the first preset time;

[0088] If not, perform the aforementioned step S30;

[0089] If so, execute step S22, restart the timing according to the second preset time, and output a prompt indicating waiting for data processing;

[0090] And in this embodiment, the aforementioned step S3 further includes step S31 , judging whether the response data sent by the on-vehicle control unit is received within the second preset time.

[0091] Simi...

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Abstract

The invention discloses a wireless communication method for vehicle diagnosis data, which includes the following steps: S1, establishing a diagnosis session with an on-board control unit; S2, startingtiming after a diagnosis request is sent to the on-board control unit; S3, judging whether or not response data sent by the on-board control unit is received during the timing period; S4, if responsedata sent by the on-board control unit is received during the timing period, processing the response data; and S5, if no response data sent by the on-board control unit is received during the timingperiod, outputting a prompt indicating that the diagnosis interaction fails. By introducing a timing mechanism in a communication protocol and based on the interaction status prompt, smooth and efficient data exchange between a mobile terminal and an on-board control unit is realized, and the user experience is improved.

Description

technical field [0001] The invention relates to the technical field of vehicle diagnosis, in particular to a wireless communication method for vehicle diagnosis data. Background technique [0002] With the continuous development and improvement of vehicle diagnostic functions and diagnostic methods, as well as the diversification of corresponding diagnostic connection methods, it is an inevitable trend to realize wireless diagnosis of vehicles by mobile terminals. [0003] After the actual experiment and analysis of the wireless diagnosis of the vehicle by the mobile terminal, it is found that the following problems need to be solved urgently in the actual operation: [0004] In the process of wireless data transmission between the on-board control unit and the mobile terminal by configuring the diagnostic interface device, the form of one-question-one-answer and session maintenance is usually adopted, that is, the mobile terminal is in the state of waiting for the feedback ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B23/02
CPCG05B23/0213
Inventor 马鹏堂许东辉段金亮周红英杨星华丁琴琴
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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