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Data processing method and intelligent vehicle gateway

A data processing and in-vehicle network technology, applied in network connections, transmission systems, electrical components, etc., can solve problems such as low communication efficiency, powerlessness, and complex communication requirements

Active Publication Date: 2020-07-07
余姚领克汽车部件有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the cost of such a network structure is low, it seems powerless in the face of increasingly complex communication requirements
Especially when performing software upgrades or vehicle diagnostic tests through external devices, the communication efficiency is inefficient

Method used

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  • Data processing method and intelligent vehicle gateway
  • Data processing method and intelligent vehicle gateway
  • Data processing method and intelligent vehicle gateway

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0020] figure 1 A schematic diagram of an intelligent vehicle gateway 100 provided by a preferred embodiment of the present invention is shown. Optionally, the intelligent vehicle gateway 100 is suitable for vehicles whose electronic architecture adopts the AUTOSAR-based distributed electronic and electrical architecture design idea. Such as figure 1 As shown, the intelligent vehicle gateway 100 includes a central gateway 10 , multiple subnet gateways 20 and multiple controllers 30 . The central gateway 10 is provided with an OBD interface 50 and communicates with an external diagnostic device 200 through the OBD interface 50 . It should be noted that the external diagnostic device 200 accesses the central gateway 10 through Ethernet, and the central gateway 10 sends the request of the external diagnostic device 200 to the vehicle network 101 . It also prevents ordinary users or competitors from directly accessing the vehicle-mounted network 101 through the OBD interface 50...

no. 2 example

[0038] Please refer to figure 2 , figure 2 The data processing method provided by the embodiment of the present invention is shown. The method is applied to the intelligent vehicle gateway 100 provided in the first embodiment. Such as figure 2 As shown, the method includes the following steps:

[0039] Step S101, the central gateway 10 sends the access request to the corresponding subnet gateway 20 in parallel according to the network segment address corresponding to the access address in the access request sent by the external diagnostic device 200, wherein the access request Includes software upgrade requests and diagnostic requests.

[0040] In this embodiment, when the central gateway 10 receives a large number of access requests sent by the external diagnostic device 200 and needs to be forwarded to a plurality of different controllers 30 (for example, it is necessary to access the controllers 30 in multiple network segments) Diagnosis, software flashing or upgrad...

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Abstract

The invention provides a data processing method and an intelligent vehicle gateway, relating to the technical field of automobiles. The method is applied to the intelligent vehicle gateway. A centralgateway sends access requests to a corresponding subnet gateway parallelly according to network addresses corresponding to access addresses in the access requests sent by an external diagnosis device;and the subnet gateway puts the received access requests in a sending waiting queue, and sends the access requests in the waiting queue to corresponding controllers according to the access addressesof the access requests. The central gateway cooperates with the subnet gateway, thereby saving communication time. The subnet gateway and the controller adopt a queued sending communication manner, response time delay of the controller is fully utilized, so that communication efficiency is improved effectively.

Description

technical field [0001] The invention relates to the technical field of automobiles, in particular to a data processing method and an intelligent vehicle gateway. Background technique [0002] The platform-based electronic and electrical architecture has been favored by major automobile groups in recent years. The platform-based electrical architecture has many advantages, such as common parts, reduced unit cost, increased solution flexibility, and so on. With the platformization of contemporary automotive electronic and electrical architecture, the communication requirements of the vehicle's internal communication network are becoming more and more diverse. information exchange is becoming more and more complex. However, most of the current car network structures still adopt a simple network design. Although the cost of such a network structure is low, it seems powerless in the face of increasingly complex communication requirements. Especially when performing software u...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/66H04L29/08
CPCH04L12/66H04L67/12
Inventor 李昌武
Owner 余姚领克汽车部件有限公司
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