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Communication system and method between combination instrument and vehicular information entertainment system

A vehicle-mounted information and entertainment system technology, applied in the field of communication systems of instrument clusters and vehicle-mounted infotainment systems, can solve problems such as reducing the load rate of the CAN bus, and achieve the effects of reducing the total burden of CAN, reducing the load rate, and reducing communication delays

Inactive Publication Date: 2016-12-07
ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1
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AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to propose a communication system and method for a combination instrument and a vehicle infotainment system, aiming at alleviating the burden of CAN communication in the existing communication scheme, reducing the load rate of the CAN bus; making the multimedia navigation required by the combination instrument , audio-visual, bluetooth phone and other display content are transmitted to the instrument cluster by the vehicle infotainment system, reducing the delay rate and loss rate, and improving the reliability of vehicle safety display information

Method used

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  • Communication system and method between combination instrument and vehicular information entertainment system
  • Communication system and method between combination instrument and vehicular information entertainment system
  • Communication system and method between combination instrument and vehicular information entertainment system

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Embodiment Construction

[0042] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0043] Various embodiments for implementing the present invention will now be described with reference to the accompanying drawings. In the following description, use of suffixes such as 'module', 'part' or 'unit' for denoting elements is only for facilitating description of the present invention and has no specific meaning by itself.

[0044] Such as figure 1 As shown, the first embodiment of the present invention proposes a communication method between a combination meter and a vehicle infotainment system, the method includes steps:

[0045] S1: the combination instrument sends a data request packet to the vehicle infotainment system through the TCP / IC protocol;

[0046] S2: The in-vehicle infotainment system accepts and parses the data request packet, and sends a data response packet to the combination instrument...

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Abstract

The invention discloses a communication system and method between a combination instrument and a vehicular information entertainment system. The method comprises the following steps: the combination instrument sends a data request packet to the vehicular information entertainment system through a TCP / IC protocol; and the vehicular information entertainment system receives and analyzes the data request packet, and sends a data response packet to the combination instrument through the TCP / IC protocol. By means of the communication system and method disclosed by the invention, the load rate of a CAN bus of the whole vehicle is reduced; a space is made for increasing the expansion of an ECU by the CAN bus of the vehicle in the future; a CAN bus expansion margin is reserved for platformization of the whole vehicle; because the total burden of the CAN is reduced, the communication delay is reduced; the information transmission efficiency is increased; the information display response time is reduced; and thus, drivers can obtain driving information for the first time reliably and accurately.

Description

technical field [0001] The invention relates to the technical field of motor vehicles, in particular to a communication system and method for a combination meter and a vehicle infotainment system. Background technique [0002] The existing communication scheme between the instrument cluster and the vehicle infotainment system is mainly: increase the definition of CAN bus information, then add the defined information to the CAN bus of the vehicle, and then send it to the instrument cluster separately; then from the vehicle The display command is obtained on the CAN bus, and the UI picture stored in the flash memory of the combination instrument is called through the command. [0003] Existing communication solutions can easily lead to an increase in the load rate of the CAN bus of the vehicle, which not only increases the communication burden of the CAN bus, but also increases the probability of delay and slows down the response time of displayed information. And then lead t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/40H04L29/08
Inventor 虞志坚
Owner ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD
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