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Security gateway, data processing method and device, vehicle network topology and vehicle

A security gateway and vehicle technology, applied in the field of communications, can solve problems such as affecting vehicle system stability and vehicle safety, affecting vehicle data message forwarding, etc.

Active Publication Date: 2017-07-14
BEIJING AUTOMOTIVE IND CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the B-CAN bus network load is about 30%, the maximum is 50%, when the B-CAN network load increases, exceeding 30%, or even 50%, it will affect the forwarding of vehicle data messages, thereby affecting the stability of the vehicle system and vehicle safety

Method used

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  • Security gateway, data processing method and device, vehicle network topology and vehicle
  • Security gateway, data processing method and device, vehicle network topology and vehicle
  • Security gateway, data processing method and device, vehicle network topology and vehicle

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Embodiment Construction

[0063] Specific embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

[0064] see figure 2 It is a schematic diagram of a vehicle network topology according to an embodiment of the present disclosure.

[0065] The network 200 includes: one or more CAN (Controller Area Network, Controller Area Network) buses, a plurality of electronic control units connected to one or more CAN buses (including: electronic control units related to the power of the vehicle, and The electronic control unit related to the chassis safety of the vehicle, and the electronic control unit related to the body), the electronic control unit related to the vehicle information (including: the vehicle information system electronic control unit (Electronic Con...

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Abstract

The invention relates to a security gateway, a data processing method and device, a vehicle network topology and a vehicle. The security gateway comprises one or more CAN bus interfaces, a first communication interface, a second communication interface and a control module, and is characterized in that the control module is used for acquiring data packets to be transmitted from one or more CAN buses through the one or more CAN bus interfaces and transmitting the data packets to be transmitted to a vehicle-mounted information system electronic control unit through the first communication interface so as to transmit the data packets to be transmitted to external equipment. The data packets to be transmitted, which are required to be transmitted to the external equipment, of a vehicle are transmitted to the vehicle-mounted information system electronic control unit through the security gateway, so that the data packets to be transmitted are transmitted to the external equipment, the network load can be reduced, and the stability of a vehicle system and the safety of the vehicle are ensured.

Description

technical field [0001] The present disclosure relates to the technical field of communications, and in particular, to a security gateway, a data processing method, a device, a vehicle network topology, and a vehicle. Background technique [0002] In the existing Internet of Vehicles technology, the topology of the vehicle network is mostly composed of a single gateway-2 network segment or a single gateway-3 network segment, supplemented by a LIN network. The vehicle bus message data is sent from the vehicle information system (Telematics system) to an external device (for example, a server) through a mobile network (for example, a 4G network). [0003] see figure 1 , in the related art, the vehicle information system is arranged in the B-CAN network segment (that is, the network segment for transmitting vehicle body related data). The ECU nodes in the B-CAN network segment can directly send CAN messages to the vehicle information system. The data messages in other network...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/66H04L12/40H04L29/06
CPCH04L12/40006H04L12/40013H04L12/40026H04L12/40032H04L12/66H04L63/0428H04L2012/40215H04L2012/40273
Inventor 郭丽丽陈效华陈新
Owner BEIJING AUTOMOTIVE IND CORP
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