CN211930882U

CN211930882U - Vehicle-mounted V2X system and automobile

Info

Publication number: CN211930882U
Application number: CN202021129156.7U
Authority: CN
Inventors: 王佩; 时瑞浩; 贺洪江; 黄振兴; 罗浩; 郑俊晖
Original assignee: Guangzhou Automobile Group Co Ltd
Current assignee: Guangzhou Automobile Group Co Ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2020-11-13
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses a vehicle-mounted V2X system and car, this vehicle-mounted V2X system include V-BOX module, antenna module, gateway module, ADAS module and AVNT module; the V-BOX module is communicated with the ADAS module and the AVNT module through the gateway module; the antenna module is communicated with the V-BOX module and is used for sending an antenna signal to the V-BOX module; the V-BOX module is communicated with the gateway module and is used for receiving the call audio signal and sending the driving data to the gateway module; the ADAS module is communicated with the gateway module and is used for receiving the driving data from the V-BOX module; the AVNT module is in communication with the gateway module for receiving call audio signals from the V-BOX module. The vehicle-mounted V2X system meets the information safety requirement of data isolation between the V-BOX module and the ADAS module and the AVNT module, further ensures the information isolation between the vehicle internal modules such as the ADAS module and the AVNT module and the external devices, does not need direct connection, and has strong safety; the gateway module is used for forwarding data, and the modules are relatively independent, so that the vehicle-mounted V2X system is low in complexity and small in coupling.

Description

Vehicle-mounted V2X system and automobile

Technical Field

The utility model relates to a car networking technology field especially relates to an on-vehicle V2X system and car.

Background

With the progressive automobile communication technology, more and more users tend to automobiles provided with vehicle-mounted V2X systems, and the vehicle-mounted V2X system ensures that the V2X of the automobile has powerful functions, realizes intelligent driving of the automobile and interaction between the automobile and external information, and also ensures reasonable arrangement of the vehicle-mounted V2X system so as to support multiple functions of the vehicle-mounted V2X system and even realize advanced automatic driving. Wherein V2X is an abbreviation of Vehicle to event, meaning Vehicle to everything, V2X communication mainly contains three aspects: V2V is an abbreviation for Vechile-to-Vechileg, meaning vehicle-to-vehicle, i.e., communication between on-board unit and on-board unit; V2I is an abbreviation for vehicle-to-Infrastructure, meaning lane networks, i.e. communication between a vehicle and an RSU, an abbreviation for Road Side Unit, meaning roadside equipment. V2P is an abbreviation for vecile-to-Pedestrian meaning communication from vehicle to Pedestrian, i.e. between vehicle and Pedestrian.

The existing vehicle-mounted V2X system has the problems of incomplete function, low safety, complex wiring, increased EMC interference risk and the like.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an on-vehicle V2X system and car to the function imperfection of solving current on-vehicle V2X system is complicated with walking the line, makes EMC disturb risk increase scheduling problem.

A vehicle-mounted V2X system comprises a V-BOX module, an antenna module, a gateway module, an ADAS module and an AVNT module; the V-BOX module communicates with the ADAS module and the AVNT module through the gateway module;

the antenna module is communicated with the V-BOX module and is used for sending an antenna signal to the V-BOX module;

the V-BOX module is communicated with the gateway module and is used for receiving call audio signals and sending driving data to the gateway module;

the ADAS module is communicated with the gateway module and is used for receiving driving data from the V-BOX module;

the AVNT module is communicated with the gateway module and is used for receiving and transmitting the call audio signal.

Preferably, the V-BOX module and the gateway module communicate via ethernet and CAN buses.

Preferably, the ethernet is a gigabit ethernet; the CAN bus is a CAN FD bus.

Preferably, the call audio signal includes a microphone signal and a speaker signal, the AVNT module includes an AVNT electronic control unit, and a microphone and a speaker connected to the AVNT electronic control unit, the AVNT module communicates with the V-BOX module through an ethernet, the microphone signal is collected by the microphone, and the speaker signal is played by the speaker.

Preferably, the driving data includes V2X data and RTK data: the ADAS module comprises an ADAS electronic control unit, and a V2X data acquisition interface and an RTK data acquisition interface which are connected with the ADAS electronic control unit, wherein the V2X data acquisition interface is used for receiving the V2X data forwarded by the gateway module, and the RTK data acquisition interface is used for receiving the RTK data forwarded by the gateway module.

Preferably, the antenna module comprises a GNSS antenna and a V2X antenna, the V-BOX module is connected with the GNSS antenna through a low-loss wire harness and is configured to receive satellite signals sent by the GNSS antenna, and the V-BOX module is connected with the V2X antenna through a low-loss wire harness and is configured to receive outside information sent by the V2X antenna.

Preferably, the antenna module further comprises a 5G antenna for transmitting a 5G signal to the V-BOX module.

Preferably, the vehicle-mounted V2X system further comprises an RSU module connected with the V-BOX module through a PC5 interface and a TSP module connected with the V-BOX module through a Uu interface; the RSU module sends a road side signal to the V-BOX module; the TSP module is used for receiving CANFD bus data sent by the V-BOX module.

Preferably, the V-BOX module comprises a V-BOX electronic control unit and an information interface connected with the V-BOX electronic control unit, wherein the information interface comprises a Uu interface, a PC5 interface, an ethernet interface, a CANFD interface and an antenna interface.

An automobile comprising an onboard V2X system as described above.

The embodiment of the utility model provides a vehicle-mounted V2X system and car, this vehicle-mounted V2X system is through utilizing the V-BOX module to communicate with ADAS module and AVNT module through gateway module to expand the function of vehicle-mounted V2X system, realize utilizing the V-BOX module to converse, have stronger expansibility; the gateway module is used for connecting the V-BOX module with the ADAS module and the AVNT module, so that the gateway module is used for forwarding data between the V-BOX module and the ADAS module as well as between the V-BOX module and the AVNT module, the information safety requirement of data isolation between the V-BOX module and the ADAS module as well as between the V-BOX module and the AVNT module is met, and further the vehicle internal modules such as the ADAS module and the AVNT module are isolated from external devices, and the functions of receiving data or signals, realizing the functions of communication, vehicle network and the like and having stronger safety can be realized without direct connection; the gateway module is used for forwarding data, and the modules are relatively independent, so that the vehicle-mounted V2X system is low in complexity and small in coupling.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic diagram of an on-vehicle V2X system according to an embodiment of the present invention.

Description of the drawings:

10. a V-BOX module; 20. a gateway module; 30. an ADAS module; 40. an AVNT module; 41. a microphone; 42. a speaker; 50. an antenna module; 60. an RSU module; 70. a TSP module.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a vehicle-mounted V2X system, as shown in FIG. 1, the vehicle-mounted V2X system comprises a V-BOX module 10, a gateway module 20, an ADAS module 30, an AVNT module 40 and an antenna module 50; the V-BOX module 10 communicates with the ADAS module 30 and the AVNT module 40 through the gateway module 20; an antenna module 50 in communication with the V-BOX module 10 for transmitting an antenna signal to the V-BOX module 10; the V-BOX module 10 is communicated with the gateway module 20 and is used for receiving the call audio signal and sending the driving data to the gateway module 20; an ADAS module 30 in communication with the gateway module 20 for receiving driving data from the V-BOX module 10; and an AVNT module 40, in communication with gateway module 20, for transceiving call audio signals from V-BOX module 10.

The ADAS module 30 is an abbreviation of Advanced Driver assistance System module, and means an Advanced driving assistance System module to satisfy intelligent driving of a vehicle. The ADAS module 30 communicates with the gateway module 20 for receiving driving data from the V-BOX module 10. The AVNT module 40 is an abbreviation of Audio video navigation Telematics, and is referred to as a car Audio module in this embodiment.

In the embodiment, the V-BOX module 10 is communicated with the ADAS module 30 and the AVNT module 40 through the gateway module 20 to expand the functions of the vehicle-mounted V2X system, so that the functions of communication, V2X, Internet of vehicles and the like by using the V-BOX module 10 are realized, and the expansibility is strong; the gateway module 20 is used for connecting the V-BOX module 10 with the ADAS module 30 and the AVNT module 40, so that the gateway module 20 is used for forwarding data between the V-BOX module 10 and the ADAS module 30 as well as between the V-BOX module 10 and the AVNT module 40, the information safety requirement of data isolation between the V-BOX module 10 and the ADAS module 30 as well as between the V-BOX module 40 and the AVNT module 40 is met, further, the vehicle internal modules such as the ADAS module 30 and the AVNT module 40 are isolated from external devices (such as mobile phones) without direct connection, data or signals can be received, the functions of communication, vehicle networking and the like are realized, and the safety is strong; the gateway module 20 is used for forwarding data, and the modules are relatively independent, so that the complexity of the vehicle-mounted V2X system is low, and the coupling is small.

In one embodiment, the V-BOX module 10 communicates with the gateway module 20 via ethernet and CAN buses. The gateway module 20 of the present embodiment communicates with the ADAS module 30 and the AVNT module 40 through the ethernet and CAN buses so that the gateway module 20 receives data transmitted by the ADAS module 30 and the AVNT module 40 and transmits the data to the V-BOX module 10 using the ethernet and CAN buses. It CAN be understood that the gateway module 20 also receives the data sent by the V-BOX module 10 through the ethernet and CAN bus, and sends the data to the ADAS module 30 and the AVNT module 40, so as to implement the functions of talking, V2X, car networking, big data collection, etc.

In one embodiment, the ethernet is a gigabit ethernet; the CAN bus is a CAN FD bus. The gigabit Ethernet and the CANFD bus can provide high-speed transmission rate for the vehicle-mounted V2X system, realize high-quality and high-performance signal or data transmission between the V-BOX module 10 and the AVNT module 40 and the ADAS module 30, acquire massive large data inside and outside the vehicle-mounted V2X system at high speed for data analysis, meet the increasing technological configuration requirements, and simultaneously realize functions such as conversation and the like.

In one embodiment, the call audio signal includes a microphone signal and a speaker signal, the AVNT module 40 includes an AVNT electronic control unit and a microphone 41 and a speaker 42 connected to the AVNT electronic control unit, the AVNT module 40 communicates with the V-BOX module 10 via ethernet, the microphone 41 is used to collect the microphone signal, and the speaker 42 is used to play the speaker signal.

In this embodiment, when a call is made using the V-BOX module 10, the AVNT module 40 communicates with the V-BOX module 10 via the ethernet to acquire a microphone signal using the microphone 41 and play a speaker signal using the speaker 42. Specifically, the V-BOX module 10 and the AVNT module 40 transmit a microphone signal and a speaker signal between the V-BOX module 10 and the AVNT module 40 by using a gigabit ethernet AVB protocol, so that an interference-free call between the V-BOX module 10 and the AVNT module 40 is realized, and the problems of complex real vehicle wiring and poor interference resistance of the conventional technology that signals are transmitted by using a hard wire are solved.

As an example, when the V-BOX module 10 is used for a video call or watching a video, audio and video signals are transmitted between the V-BOX module 10 and the AVNT module 40 using the gigabit ethernet AVB or gigabit ethernet RTP protocol to ensure high-speed signal transmission between the V-BOX module 10 and the AVNT module 40, so that the V-BOX module 10 and the AVNT module 40 are synchronized.

In one embodiment, the in-vehicle V2X system further includes an RSU module 60 connected to the V-BOX module 10 via a PC5 interface and a TSP module 70 connected to the V-BOX module 10 via a Uu interface; the RSU module 60 transmits a roadside signal to the V-BOX module 10; the TSP module 70 is used to receive CANFD bus data sent by the V-BOX module 10.

In this embodiment, the RSU module 60 is an english abbreviation of Road Side Unit module, which means a Road Side Unit, and is used for collecting Road Side signals. The PC5 interface is a terminal-to-terminal direct interface introduced in the D2D (Device-to-Device) project of 3GPP Rel-12, the PC5 communication means that the V-BOX module 10 performs PC5 communication with the RSU module 60 through the PC5 interface to receive the drive test signal collected by the RSU module 60, and the V-BOX module 10 generates V2X data according to the drive test signal and external data to send to the ADAS module 30, so as to provide an automatic driving capability.

The TSP module 70 is an abbreviation of Telematics Service Provider, meaning an automobile remote Service back-office that can collect data of vehicles for big data analysis.

The Uu interface is an interface for communication between the UE and the NODE B, wherein the UE is a user terminal; node B is the name of a 3G mobile base station, which is interconnected to the RNC via a standard Iub interface and communicates with the UE via a Uu interface. In the present embodiment, the communication between the TSP module 70 and the V-BOX module 10 is realized through the Uu interface to collect data of the vehicle and perform big data analysis. It will be appreciated that because data or signals are transmitted between the V-BOX module 10 and the gateway module 20 via the gigabit ethernet and CANFD buses, the rate is very fast, allowing the TSP module 70 to quickly acquire data or signals from the ADAS module 30 and the AVNT module 40 of the vehicle to provide technical support for big data analysis by the TSP module 70. In this embodiment, data or signal transmission may be performed between the V-BOX module 10 and the gateway module 20 through the gigabit ethernet and the CAN bus.

In one embodiment, the antenna module 50 includes a GNSS antenna and a V2X antenna, the V-BOX module 10 is connected to the GNSS antenna via a low loss beam for receiving satellite signals transmitted by the GNSS antenna, and the V-BOX module 10 is connected to the V2X antenna via a low loss beam for receiving external information transmitted by the V2X antenna.

In this embodiment, the V-BOX module 10 is connected to the GNSS antenna through a low-loss cable harness, and is configured to receive a satellite signal sent by the GNSS antenna, process the satellite signal, generate RTK data, and send the RTK data to the ADAS module 30, so as to implement high-precision positioning or navigation of a vehicle. The low loss wire harness is specifically RG58 wire speed. The V-BOX module 10 is connected to the V2X antenna through a low-loss cable harness, and is configured to receive external information sent by the V2X antenna, and send the external information to the ADAS module 30, so as to provide more data for automatic driving of the ADAS module 30, and improve automatic driving performance of the ADAS module 30.

In one embodiment, the antenna module 50 further includes a 5G antenna for transmitting 5G signals to the V-BOX module 10. In this embodiment, a 5G antenna is used to implement 5G communication of the V-BOX module 10, and the V-BOX module 10 provides high-speed network traffic for the AVNT module 40 and the ADAS module 30 through the gateway module 20, so as to implement high-quality and high-performance signal transmission between the V-BOX module 10 and the AVNT module 40 and the ADAS module 30, and acquire massive large data inside and outside the vehicle-mounted V2X system at high speed for data analysis, thereby meeting the increasing requirements of scientific and technological configuration. It is understood that the antenna module 50 may further include an antenna such as a 2G/3G antenna, a 4G antenna, etc. to receive 2G/3G signals and 4G signals.

In one embodiment, the ADAS module 30 includes an ADAS electronic control unit, and a V2X data acquisition interface and an RTK data acquisition interface connected to the ADAS electronic control unit, wherein the V2X data acquisition interface is configured to receive V2X data forwarded by the gateway module 20, and the RTK data acquisition interface is configured to receive RTK data forwarded by the gateway module 20.

Specifically, the gateway module 20 sends RTK data to the RTK data acquisition interface to send the RTK data to the ADAS module 30, so as to realize high-precision positioning or navigation of the vehicle. The gateway module 20 sends V2X data to the V2X data collection interface to send V2X data to the ADAS module 30, so as to provide more data for the ADAS module 30 to automatically drive, thereby improving the automatic driving performance of the ADAS module 30. The V2X data includes the drive test signal collected by the RSU module 60 and the external information transmitted by the V2X antenna.

In one embodiment, the V-BOX module 10 includes an electronic control unit of the V-BOX module 10 and information interfaces connected to the electronic control unit of the V-BOX module 10, where the information interfaces include a Uu interface, a PC5 interface, an ethernet interface, a CANFD interface, and an antenna interface. In the embodiment, functions of communication, V2X, Internet of vehicles, big data acquisition and the like of the vehicle-mounted V2X system are realized by using the information interface. The Uu interface is used for communication between the V-BOX module 10 and the TSP module 70 so that the TSP module 70 receives or transmits signals and data, etc. The PC5 interface is used for the V-BOX module 10 and RSU module 60 communications to allow the V-BOX module 10 to receive roadside signals. The ethernet interface and the CANFD interface are used for the V-BOX module 10 and the gateway module 20 to communicate so that the V-BOX module 10 transmits or receives a signal using the gateway module 20. The antenna interface is used for the V-BOX module 10 and the antenna module 50 to communicate to receive antenna signals.

The utility model provides an intelligence networking car, including the on-vehicle V2X system as above embodiment. The vehicle-mounted V2X system utilizes the V-BOX module 10 to communicate with the ADAS module 30 and the AVNT module 40 through the gateway module 20, so as to expand the functions of the vehicle-mounted V2X system, realize the conversation by utilizing the V-BOX module 10 and have stronger expansibility; the gateway module 20 is used for connecting the V-BOX module 10 with the ADAS module 30 and the AVNT module 40, so that the gateway module 20 is used for forwarding data between the V-BOX module 10 and the ADAS module 30 as well as between the V-BOX module 10 and the AVNT module 40, the information safety requirement of data isolation between the V-BOX module 10 and the ADAS module 30 as well as between the V-BOX module 40 and the AVNT module 40 is met, and further, the isolation between vehicle internal modules such as the ADAS module 30 and the AVNT module 40 and external devices (such as mobile phones) is ensured, the intellectualization can be realized without direct connection, and the safety is strong; the gateway module 20 is used for forwarding data, and the modules are relatively independent, so that the complexity of the vehicle-mounted V2X system is low, and the coupling is small.

The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims

1. A vehicle-mounted V2X system is characterized by comprising a V-BOX module, an antenna module, a gateway module, an ADAS module and an AVNT module; the V-BOX module communicates with the ADAS module and the AVNT module through the gateway module;

2. The in-vehicle V2X system of claim 1, wherein the V-BOX module and the gateway module communicate over an ethernet and CAN bus.

3. The in-vehicle V2X system of claim 2, wherein the ethernet is a gigabit ethernet; the CAN bus is a CAN FD bus.

4. The in-vehicle V2X system of claim 1, wherein the call audio signals include microphone signals and speaker signals, the AVNT module includes an AVNT electronic control unit and a microphone and speaker connected to the AVNT electronic control unit, the AVNT module communicates with the V-BOX module via ethernet, the microphone signals are collected by the microphone, and the speaker signals are played by the speaker.

5. The in-vehicle V2X system of claim 1, wherein the driving data includes V2X data and RTK data: the ADAS module comprises an ADAS electronic control unit, and a V2X data acquisition interface and an RTK data acquisition interface which are connected with the ADAS electronic control unit, wherein the V2X data acquisition interface is used for receiving the V2X data forwarded by the gateway module, and the RTK data acquisition interface is used for receiving the RTK data forwarded by the gateway module.

6. The in-vehicle V2X system of claim 1, wherein the antenna module comprises a GNSS antenna and a V2X antenna, the V-BOX module is connected with the GNSS antenna via a low loss beam for receiving satellite signals transmitted by the GNSS antenna, and the V-BOX module is connected with the V2X antenna via a low loss beam for receiving outside information transmitted by the V2X antenna.

7. The in-vehicle V2X system of claim 6, wherein the antenna module comprises a 5G antenna to send 5G signals to the V-BOX module.

8. The in-vehicle V2X system of claim 1, wherein the in-vehicle V2X system further comprises an RSU module connected to the V-BOX module via a PC5 interface and a TSP module connected to the V-BOX module via a Uu interface; the RSU module sends a road side signal to the V-BOX module; the TSP module is used for receiving CANFD bus data sent by the V-BOX module.

9. The in-vehicle V2X system of claim 1, wherein the V-BOX module comprises a V-BOX electronic control unit and information interfaces connected to the V-BOX electronic control unit, the information interfaces comprising Uu interface, PC5 interface, ethernet interface, CANFD interface and antenna interface.

10. An automobile, characterized in that it comprises an onboard V2X system according to any one of claims 1-9.