CN212332571U

CN212332571U - Vehicle-mounted equipment supporting V2X technology

Info

Publication number: CN212332571U
Application number: CN202020552985.XU
Authority: CN
Inventors: 李翔; 彭文龙; 金丽娟
Original assignee: Hangzhou Hopechart Iot Technology Co ltd
Current assignee: Hangzhou Hopechart Iot Technology Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2021-01-12
Anticipated expiration: 2030-04-14

Abstract

The embodiment of the utility model provides a support vehicle equipment of V2X technique, including on-vehicle T-Box module and V2X module; wherein the vehicle-mounted T-Box module is in communication connection with the V2X module. The embodiment of the utility model provides a support mobile unit of V2X technique has increased the V2X module for it on the basis of on-vehicle T-Box module for on-vehicle T-Box module has realized the support to V2X technique, thereby has successfully constructed the mobile unit who supports V2X technique.

Description

Vehicle-mounted equipment supporting V2X technology

Technical Field

The utility model relates to a communication equipment technical field, concretely relates to support mobile unit of V2X technique.

Background

With the arrival of 5G communication, internet of everything becomes possible, a scene with strong real-time data interaction can be met, and a quick and reliable communication means is provided for the popularization of V2X (e to evolution, namely, information exchange of a vehicle to the outside).

The V2X internet of vehicles was the result of intensive research on D2D technology. It refers to a communication system between vehicles, or between a car and pedestrians, riders, and infrastructure. The wireless radio frequency identification device, the sensor and the camera which are arranged on the vehicle are used for obtaining the driving condition of the vehicle and the surrounding road environment information, meanwhile, the position information of the vehicle is obtained by means of high-precision satellite positioning, and the information sharing in the whole vehicle networking system is further realized through end-to-end transmission. By analyzing and processing the information data, the road condition report and the warning are timely carried out on the driver, and the driver is assisted to safely drive and avoid the congested road section.

The T-Box refers to a vehicle-mounted intelligent terminal and is responsible for monitoring and controlling the state of a vehicle body. Many of the early T-boxes installed today do not have the V2X function and the elbow clip uses the V2X technique.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, an embodiment of the present invention provides a vehicle-mounted device supporting a V2X technology, including a vehicle-mounted T-Box module and a V2X module; wherein the vehicle-mounted T-Box module is in communication connection with the V2X module.

Further, the vehicle-mounted T-Box module comprises an MCU module and an MPU module, the MCU module is in communication connection with the MPU module, and the MPU module is in communication connection with the V2X module.

Further, the vehicle-mounted device supporting the V2X technology further comprises a CAN bus; the MCU module is in communication connection with the CAN bus.

Further, the MPU module and the V2X module are communicatively connected by a USB interface.

Further, the MCU module and/or the MPU module are/is provided with an interface for expanding peripheral equipment.

Further, the interface of the expansion peripheral adopts a serial port communication mode.

Further, the MPU module is connected with an eMMC module to expand the storage space.

Further, the vehicle-mounted device supporting the V2X technology further comprises a data acquisition module, and the data acquisition module is in communication connection with the MCU module; the data acquisition module comprises at least one of a gyroscope module, a sensor and a GNSS module.

Further, the sensor includes at least one of a switching value sensor, a pulse value sensor, and an analog value sensor.

Furthermore, the GNSS module adopts a Beidou positioning system or a GPS positioning system.

The embodiment of the utility model provides a support mobile unit of V2X technique has increased the V2X module for it on the basis of on-vehicle T-Box module for on-vehicle T-Box module has realized the support to V2X technique, thereby has successfully constructed the mobile unit who supports V2X technique.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an on-board device supporting the V2X technology according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an on-board device supporting the V2X technology according to another embodiment of the present invention;

fig. 3 is a schematic structural diagram of an on-board device supporting the V2X technology according to another embodiment of the present invention;

fig. 4 is a schematic structural diagram of an in-vehicle device supporting the V2X technology according to still another embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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, 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 according to specific situations by those skilled in the art.

Fig. 1 is a schematic structural diagram of an in-vehicle device supporting the V2X technology according to an embodiment of the present invention. As shown in FIG. 1, the vehicle-mounted device supporting the V2X technology includes a vehicle-mounted T-Box module 100 and a V2X module 30; wherein the onboard T-Box module 100 and the V2X module 30 are communicatively coupled.

The vehicle-mounted device supporting the V2X technology includes a vehicle-mounted T-Box module 100 and a V2X module 30 that are connected to each other, and it should be noted that, because the vehicle-mounted T-Box module 100 itself does not have a V2X function module, the vehicle-mounted device currently constituted by the vehicle-mounted T-Box module 100 does not have a V2X function, in order to solve the problem, in this embodiment, a V2X module is added to the vehicle-mounted T-Box module on the basis of the vehicle-mounted T-Box module, and the V2X module 30 is connected to the vehicle-mounted T-Box module 100, so that the vehicle-mounted T-Box module can implement a V2X function. It should be noted that the connection manner of the vehicle-mounted T-Box module 100 and the V2X module 30 is not limited as long as the requirement of data transmission rate can be met, and for example, the communication connection between the vehicle-mounted T-Box module 100 and the V2X module 30 can be implemented by using multiple connection manners such as SPI, PCIE, and USB.

Fig. 2 is a schematic structural diagram of an on-board device supporting the V2X technology according to another embodiment of the present invention. As shown in fig. 2, the on-board T-Box module 100 includes an MCU (Micro controller Unit) module 20 and an MPU (Micro Processor Unit) module 10, the MCU module 20 and the MPU module 10 are communicatively connected, and the MPU module 10 and the V2X module 30 are communicatively connected.

The vehicle-mounted T-Box module can be referred to as T-Box for short, and is a vehicle-mounted intelligent terminal and is responsible for monitoring and controlling the state of a vehicle body. The general T-Box design structure is MPU + MCU, MPU is responsible for the realization of application program, and MCU is mainly used for controlling power management and accessing the CAN bus of car to carry out real-time acquisition to vehicle data. The early installed T-Box does not have the function of V2X, the embodiment of the utility model realizes the V2X function by connecting the external V2X module 30 of T-Box, and utilizes the MCU module 20 and the MPU module 10 of T-Box itself to cooperate and realize the whole control and management of V2X. The MCU module 20 is mainly responsible for collecting vehicle data and controlling the vehicle, and the MPU module 10 is mainly responsible for implementing the V2X application.

On the basis of the embodiment, the embodiment of the utility model provides a V2X module is connected through the MPU module that utilizes on-vehicle T-Box module to cooperate with the MCU module of on-vehicle T-Box module and realize the V2X function, ensured the reliable operation that V2X used.

Fig. 3 is a schematic structural diagram of an on-board device supporting the V2X technology according to still another embodiment of the present invention. As shown in fig. 3, the vehicle-mounted device supporting the V2X technology further includes a CAN bus 40; the MCU module 20 is communicatively connected to the CAN bus 40.

The vehicle-mounted equipment supporting the V2X technology comprises an MCU module 20, an MPU module 10, a V2X module 30 and a CAN bus 40; the MCU module 20 is in communication connection with the MPU module 10 and the CAN bus 40, respectively, and the MPU module 10 is in communication connection with the MCU module 20 and the V2X module 30; wherein, the MPU module 10 and the MCU module 20 are constituent modules of a T-Box.

MPU module 10 with MCU module 20 is the constitution module of T-Box, the utility model discloses the theory of operation of the mobile unit who supports V2X technique that the embodiment provided is as follows: the MCU module 20 is configured to send vehicle information to the MPU module 10, receive a control command from the MPU module 10, and execute the control command through the CAN bus 40; such as status information, attitude information, position information, etc. of the vehicle. The MPU module 10 runs a protocol stack of V2X and can transmit data in V2X format, and the MPU module 10 is configured to frame the vehicle information transmitted by the MCU module 20 according to a format of V2X data frames and then transmit the frame to an external V2X device through the V2X module 30, where the external V2X device is, for example, a V2X device or a V2X roadside device of another vehicle; and, for receiving the V2X message of the external V2X device acquired by the V2X module 30 and generating the control command. And the MCU module 20 controls the CAN bus 40 to act according to the control instruction so as to execute a corresponding control instruction and realize the control of the vehicle.

On the basis of the above-mentioned embodiment, the embodiment of the utility model provides a through further connecting the CAN bus, realized the acquireing and the vehicle control of vehicle information.

Further, based on the above-described embodiment, the MPU module 10 and the V2X module 30 are communicatively connected through a USB interface.

The MPU module 10 is externally connected with the V2X module 30 through a USB interface, thereby realizing the V2X function of the T-Box. The MPU module 10 is connected to the V2X module 30 through a USB interface, which greatly facilitates the expansion of the V2X module and can increase the functions related to V2X for the early T-Box without the V2X function.

On the basis of the above embodiment, the embodiment of the utility model provides a through utilizing the USB interface to connect MPU module and V2X module, improved simplification and the degree of convenience that V2X function realized.

Further, based on the above-described embodiments, the MCU module 20 and/or the MPU module 10 is provided with an interface to extend peripherals.

The MCU module 20 and/or the MPU module 10 are provided with interfaces for expanding peripherals, and by leaving a certain number of interfaces for expanding peripherals, more peripherals can be expanded for the device to achieve more and more powerful functions.

Further, based on the above embodiment, the interface of the extended peripheral adopts a serial communication mode.

The MCU module 20 and/or the MPU module 10 may perform data intercommunication with devices supporting serial communication protocols (e.g., RS232 and RS484) through serial communication interfaces, or extend corresponding peripherals.

On the basis of the above-mentioned embodiment, the embodiment of the utility model provides a through utilizing serial ports extension peripheral hardware, reduced the implementation cost, improved equipment and realized the convenience.

Further, based on the above-described embodiment, the MPU module 10 is connected with an eMMC (Embedded multimedia Card) module to expand a storage space.

The MPU module 10 may expand a larger storage space through an eMMC interface, and provide a sufficient amount of memory space for the application of V2X. The eMMC module may provide a larger storage space for the MPU module 10 to store the V2X protocol stack and accommodate more applications, and may be expanded in capacity through the interface of the MPU module 10. The eMMC module is responsible for providing an additional storage space for the MPU module 10, and providing a sufficient space for expansion of service codes in the future. The module is an optional module, and when the space of the MPU is enough, the module can be not used, so that the cost is saved.

On the basis of the above-mentioned embodiment, the utility model discloses MPU module is connected with the eMMC module in order to expand storage space to storage space's user demand has been guaranteed.

Further, based on the above embodiment, the vehicle-mounted device supporting the V2X technology further includes a data acquisition module, where the data acquisition module is in communication connection with the MCU module 20; the data acquisition module includes at least one of a gyroscope module, a sensor, and a GNSS (Global Navigation Satellite System).

The vehicle-mounted equipment supporting the V2X technology further comprises a data acquisition module, and the data acquisition module is in communication connection with the MCU module 20 and is used for acquiring the vehicle information and sending the vehicle information to the MCU module 20.

The MCU module 20 is connected to the CAN bus 40, various sensors, GNSS module, and gyroscope module. The CAN bus 40 and various sensors provide the MCU module 20 with a variety of vehicle status information, such as speed, temperature, etc. The GNSS module provides high-precision positioning for the vehicle, the precision meets the requirement of a V2X application scene, and the positioning data can be read through the MCU module 20; the gyroscope module provides the MCU module 20 with vehicle attitude information and serves as a source of partial data required for inertial navigation, and the data can be read by the MCU module 20.

On the basis of the above-mentioned embodiment, the embodiment of the utility model provides a through setting up various data acquisition modules, enriched the acquirement of vehicle information.

Further, based on the above embodiment, the sensor includes at least one of a switching value sensor, a pulse value sensor, and an analog value sensor.

The sensors may include various types of sensors, such as on-off sensors, pulsed quantity sensors, analog quantity sensors, etc., to further enrich the collection of vehicle information.

Further, based on the above embodiment, the GNSS module employs a beidou positioning system or a GPS positioning system.

The GNSS module provides high-precision positioning for the vehicle, the precision meets the requirements of a V2X application scene, the GNSS module comprises but is not limited to a Beidou positioning system and a GPS positioning system, and the positioning data can be read through an MCU.

On the basis of the above-mentioned embodiment, the embodiment of the utility model provides a carry out vehicle positioning through adopting big dipper positioning system or GPS positioning system, improved vehicle positioning's accuracy.

Fig. 4 is a schematic structural diagram of an in-vehicle device supporting the V2X technology according to still another embodiment of the present invention. As shown in FIG. 4, the utility model aims at providing a support V2X technical mobile unit based on T-Box. The device comprises but is not limited to the following modules, an MCU module, an MPU module, a GNSS module, a V2X module, an eMMC module and a gyroscope module.

And the MCU module is responsible for acquiring data of the sensor, the GNSS module, the gyroscope module and the CAN bus which are connected with the MCU module. The data intercommunication with the device supporting the serial communication protocol (such as RS232 and RS484) can be carried out through the serial communication interface, or the corresponding peripheral equipment is expanded. And the MCU module packages the read vehicle attitude and state data and sends the packaged data to the MPU module for processing.

And the MPU module and the protocol stack of V2X are written into the MPU module, receive the data read by the MCU module and send a control instruction to the MCU module. The MPU module sends the V2X data frame to the V2X module through the USB, and the V2X module sends the V2X data frame to realize data intercommunication with surrounding equipment, thereby realizing multiple application scenes of V2X. The MPU module is connected with the V2X module through a USB interface, thereby greatly facilitating the expansion of the V2X module and realizing the increase of V2X related functions for the T-Box which does not have the V2X function in the early period. The MPU module can expand a larger-capacity storage space through an eMMC interface and provide a sufficient amount of memory space for the application of V2X. And a complete V2X protocol stack is arranged in the MPU module to realize the application of V2X. The MPU module arranges the vehicle data sent by the MCU module, frames the vehicle data according to the format of the V2X data frame, and sends the vehicle data to other surrounding vehicle-mounted units and roadside units through the V2X module. Meanwhile, the V2X module also sends the received V2X messages of other surrounding vehicles to the MPU module, the MPU module extracts useful information in the messages, makes corresponding decisions according to different application scenes and sends the decisions to the MCU module, and the MCU module adjusts the state and the posture of the vehicle through the CAN bus, so that various application scenes specified in V2X are realized.

The GNSS module comprises but is not limited to GPS and Beidou navigation, and mainly provides high-precision positioning for the vehicle. And the positioning information is read by the MCU module and then is sent to the MPU module to make a decision on a relevant scene and finish framing of the V2X data frame.

The V2X module realizes that V2X data frames of the MPU module are transmitted to the outside, receives V2X data frames of other surrounding vehicles and transmits the data frames to the MPU module for processing and decision making.

The eMMC module is responsible for providing an additional storage space for the MPU module and providing a sufficient space for the expansion of the service codes in the future.

The gyroscope module provides attitude information of the vehicle, the MCU module sends the read attitude information to the MPU module, and the MPU module realizes decision of related scenes and completes framing of V2X data frames through data of the gyroscope or positioning data combined with the GNSS module.

For other modules besides the MPU module and the MCU module, if the corresponding modules are contained in the T-Box and the resources are sufficient, the modules in the T-Box can be directly used.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; 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 depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. An on-vehicle device supporting V2X technology is characterized by comprising an on-vehicle T-Box module and a V2X module; wherein the vehicle-mounted T-Box module is in communication connection with the V2X module;

the vehicle-mounted T-Box module comprises an MCU module and an MPU module, and the MCU module is in communication connection with the MPU module;

the MPU module and the V2X module are connected through USB interface communication.

2. The V2X-technology-enabled in-vehicle device according to claim 1, wherein the V2X-technology-enabled in-vehicle device further includes a CAN bus; the MCU module is in communication connection with the CAN bus.

3. The V2X-technology-supporting in-vehicle device according to claim 1, wherein the MCU module and/or the MPU module is provided with an interface to extend peripherals.

4. The vehicle-mounted device supporting the V2X technology of claim 3, wherein the interface of the expansion peripheral device adopts a serial communication mode.

5. The V2X-technology-supporting in-vehicle device according to claim 1, wherein an eMMC module is connected to the MPU module to expand a storage space.

6. The V2X technology-enabled vehicle-mounted device according to claim 1, wherein the V2X technology-enabled vehicle-mounted device further comprises a data acquisition module, the data acquisition module is in communication connection with the MCU module; the data acquisition module comprises at least one of a gyroscope module, a sensor and a GNSS module.

7. The vehicle-mounted device supporting the V2X technology of claim 6, wherein the sensor includes at least one of a switching value sensor, a pulse value sensor, and an analog value sensor.

8. The vehicle-mounted device supporting the V2X technology of claim 6, wherein the GNSS module employs a Beidou positioning system or a GPS positioning system.