CN208128271U - A kind of vehicle-mounted V2X equipment of achievable TBOX function - Google Patents

Abstract

The utility model provides a kind of vehicle-mounted V2X equipment of achievable TBOX function, the equipment includes LTE-V module, application processor and TBOX functional module, MCU is equipped in the TBOX functional module, the application processor connects vehicle CAN bus by MCU, LTE-V module one end connects application processor, the other end connects extraneous base station or other LTE-V equipment, the data processing and calculating of all complexity are placed on application processor and complete in equipment described in the utility model, the MCU of TBOX only handles CAN message and the high emergency message of priority, the real-time of this car data and the reliability of system can be improved in this way.

Description

A kind of vehicle-mounted V2X equipment of achievable TBOX function

Technical field

The utility model belongs to vehicle communication technical field, and in particular to a kind of vehicle-mounted V2X of achievable TBOX function is set It is standby.

Background technique

As information exchange of the technology of Internet of things between the application of vehicular field, distinct device is more and more, information Reliability, timeliness are also extremely important.

V2X (Vehicle to X), is the key technology of the following intelligent transport system.It make vehicle and vehicle, vehicle with It can be communicated between base station, base station and base station.To obtain a series of traffic letters such as real-time road, road information, pedestrian information Breath, thus improve drive safety, reduce congestion, improve traffic efficiency, car entertainment information is provided etc..

Telematics BOX, referred to as vehicle-mounted T-BOX, can provide remote communication interface for vehicle, can provide driving Data acquisition, location information record, and docked by mobile communication technology with background server, to realize long-range control, remind Etc. functions.

It can be seen that there is partial function coincidence between the two, as locating module, communication module etc., and LTEV module is sent This car data be that equipment self-sensor device obtains, the reliability of data is high.

Utility model content

To solve the above-mentioned problems, the utility model provides a kind of vehicle-mounted V2X equipment of achievable TBOX function, described to set Standby includes LTE-V module, application processor and TBOX functional module, is equipped with MCU in the TBOX functional module, at the application Device is managed by MCU connection vehicle CAN bus, LTE-V module one end connects application processor, and the other end connects extraneous base station Or other LTE-V equipment；

Further, the equipment further includes memory module, and the memory module connects application processor；

Further, the equipment further includes human-computer interaction module, and the human-computer interaction module connects application processor；

Further, the equipment further includes communication module, and described communication module one end connects application processor, the other end Connect extraneous base station；

Further, the equipment further includes locating module, and described locating module one end is separately connected LTE-V module and answers With processor, the other end connects satellite；

Further, acceleration transducer, the acceleration transducer connection are additionally provided in the TBOX functional module MCU；

Further, the form of the locating module includes GPS, Beidou, GLONASS and GALILEO positioning system；

Further, the communication module also passes through background server and connects vehicle；

Further, the form of the human-computer interaction module includes touch screen, voice input and casting, light prompting and screen Curtain display；

Further, the MCU is also connect with vehicle CALL function button；

The beneficial effects of the utility model are as follows：

1)：Locating module, communication module are required, and both modules for the realization of TBOX function and V2X function Higher cost, the utility model realizes the multiplexing of two functional modules, reduces costs；

2)：The data processing and calculating of all complexity are placed on complete on application processor in equipment described in the utility model Only handle CAN message and the high emergency message of priority at, the MCU of TBOX, can be improved in this way this car data real-time and The reliability of system.

Detailed description of the invention

Fig. 1 is the system block diagram of device described in the utility model.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, is explained in further detail the utility model.It should be appreciated that specific embodiment described herein is used only for explaining The utility model is not used to limit the utility model.On the contrary, the utility model cover it is any be defined by the claims this Substitution, modification, equivalent method and the scheme made in the spirit and scope of utility model.Further, in order to make the public to this reality Have a better understanding with novel, it is detailed to describe some specific detail portions below in the datail description of the utility model Point.The utility model can also be understood completely in the description of part without these details for a person skilled in the art.

The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as to the utility model Restriction.Most preferred embodiment is enumerated below for the utility model：

As shown in Figure 1, the utility model provides a kind of vehicle-mounted V2X device of achievable TBOX function, described device includes Realize LTEV module 2, application processor 1, the communication module 5, locating module 4, human-computer interaction module 7, memory module of V2X function 6, TBOX-CALL module, real-time MCU3 and CAN transceiver composition, wherein：

LTE-V module, the realization module of V2X function, the letter based on LTE-V agreement for will be received from ambient enviroment Breath is transferred to application processor 1, and the information received from application processor 1 is based on LTE-V agreement and is sent, Ke Yishi Communication between existing vehicle and vehicle, vehicle and base station, base station and base station.

LTE-V module, it can be achieved that low latency people and vehicle communication, communication distance be greater than 300m, can be realized and blocked Non line of sight in communication；

Application processor 1 will be from communication module 5, LTEV module 2,8 data of vehicle-mounted CAN bus directly acquired by MCU3 And the data that CALL keyboard input module receives carry out operation, are controlled by operation result the vehicle.

Application processor 1 receives the communication data of background communication equipment by communication module 5, or sends out to background devices Send communication data；

Application processor 1 obtains the data information of LTE-V and TBOX functional module and carries out data processing.

Application processor 1 obtains the information of human-computer interaction module 7 and carries out data processing.

Memory module 6, for storing the operation data of this vehicle, the data such as location track.

Locating module 4, for providing the position of second pulse signal and current vehicle for LTEV module 2 and application processor 1 Information.

Human-computer interaction module 7 is prompted for vehicle state or ambient condition information.

Power module, for powering to TBOX module, application processor 1 and LTEV module Unit 2.

TBOX functional module, real-time MCU3 are directly connected in vehicle-mounted CAN bus 8, the current speed of available vehicle, The information such as brake, light status, battery and failure.

TBOX functional module connects CALL function button, can carry out an one-key emergent calling, provide emergency navigational and rescue etc. Service.MCU3 in module is transferred to application processor 1 after being handled these input information.

TBOX functional module includes independent real-time MCU3, dedicated for handling the information of this vehicle CAN bus 8 in real time.

TBOX functional module further includes acceleration transducer 9, assist vehicle-state operation, when occur major traffic accidents, When driver can not carry out manual CALL alarm, alert help can be carried out automatically according to the threshold status of setting acceleration, system.

As shown in Figure 1, the device of the invention, V2X function is realized using the LTEV communication module of Datang Telecom's design, branch V2X short haul connection is held, for realizing without the self-organized network communication function under honeycomb covering, communications band 5.9GHZ is sent Power adjustable, maximum support 23dbm, transmission power can be adjusted according to application environment, for example, signal covers when maximum transmission power Distance can reach 1000 meters, it is ensured that under High-speed Circumstance, the beyond-the-horizon communication of information and prompt.And in low speed section, this When the communication distance that needs do not need far, transmission power can be reduced, reduce equipment power dissipation, improve the stability of equipment.

Application processor 1 uses the automotive grade IMXDL chip of NXP；The dominant frequency that works is up to 800MHZ, dual core processor, if One core is used as to the processing of LTEV communication protocol, another core is used as the processing of other function, guarantees when standby work The stability of the communication of LTEV core.Automotive grade chip is authenticated by AECQ100, meets vehicle in the reliable fortune of harsh environment Row.

Memory module 6 uses the EMMC (embedded Multi Media Card) of 4G.

Communication module 5 uses wide and logical 4G module L810；Support the main 4G/3G/2G standard in the whole world such as 5 mould, 11 frequency range (LTE FDD/LTE TDD/WCDMA/TD-SCDMA/GSM) and extensive frequency range, except America and Japanese band segment be not complete The outer cellular communications networks for being substantially applicable to global major mobile operators of covering.Default is communicated using 4G in actual use Technology, uplink and downlink rate is higher, the speed of improve data transfer, utmostly the real-time of communication data system.

The Speaker that human-computer interaction module 7 uses LED light and WM8960 audio CODEC to drive is as information alert Implementation；LED light can be used as power supply instruction, the signal designation etc. of 5 working condition of GPS/ communication module, and Speaker conduct Sound prompting reminds occupant's dependent event.

GPS module uses the MAX-8Q module of UBLOX company as GPS receiver device；Module itself supports GPS and BD, The antenna for supporting Beidou and GPS is selected when external connection module antenna, can obtain the location information of the two, positioning accuracy simultaneously in this way It can improve.

9 module of acceleration transducer uses the BMA250E chip of Bosch；Reachable ± the 16g of range, minimum resolution For 0.04g, microvibration can recognize, the reliability of equipment can be improved in higher sensor accuracy.

The independent MCU3 of TBOX uses the STM32F103 of ST.This MCU3 is the kernel of cotex-M3, processing speed Up to 72Mhz, 8 information of CAN bus is individually handled, surplus is larger.

Working condition is as follows when device described in the utility model uses：

1) communication of equipment and automobile CAN-bus 8

STM32F103 is connected by CAN transceiver (TJA1042) with bus in equipment, monitors bus data in real time, including Speed, light status (steering/braking), steering angle, oil consumption etc..MCU3 is handled by simple analysis, is sent by High Speed UART To IMX6DL.

2) interaction of the equipment with mobile communications network

The information that equipment will be received from CAN bus 8, LTEV module 2 and GPS positioning module 4, is handled by IMX6DL Afterwards, the information such as vehicle id, longitude and latitude, speed are dialled up on the telephone via 4G module L810, sends IP data packet to distal end backstage and manages Reason center.

Equally, back-stage management center in distal end can be controlled target vehicle or be sent information alert by 4G network.

3) communication of the equipment with other vehicles or other drive test units

It can be sent using 100ms as the period after the PPS signal that LTEV module 2 generates after receiving GPS positioning and be believed comprising this vehicle The signal of breath, this vehicle information includes vehicle id, longitude and latitude, speed, prompt information etc., after other vehicles receive information, to information Classification processing.

4) information exchange of the equipment with occupant

The information of vehicles or ambient condition information that IMX6DL application processor 1 will acquire are by Speaker with sound Form prompt occupant.

When emergency occurs, occupant can also carry out urgent call or alarm by pressing CALL on & off switch.

Embodiment described above, only one kind of the utility model more preferably specific embodiment, the skill of this field The usual variations and alternatives that art personnel carry out within the scope of technical solutions of the utility model should all be included in the guarantor of the utility model It protects in range.

Claims (9)

1. a kind of vehicle-mounted V2X equipment of achievable TBOX function, which is characterized in that the equipment includes LTE-V module (2), answers With processor (1) and TBOX functional module, the TBOX functional module is interior to be equipped with MCU (3), and the application processor (1) passes through MCU (3) connection vehicle CAN bus (8), LTE-V module (2) one end application processor (1), the other end connect extraneous base It stands.

2. equipment according to claim 1, which is characterized in that the equipment further includes memory module (6), the storage mould Block (6) connects application processor (1).

3. equipment according to claim 1, which is characterized in that the equipment further includes human-computer interaction module (7), the people Machine interactive module (7) connects application processor (1).

4. equipment according to claim 1, which is characterized in that the equipment further includes communication module (5), the communication mould Block (5) one end connects application processor (1), and the other end connects extraneous base station.

5. equipment according to claim 1, which is characterized in that the equipment further includes locating module (4), the positioning mould Block (4) one end is separately connected LTE-V module (2) and application processor (1), and the other end connects satellite.

6. equipment according to claim 1, which is characterized in that be additionally provided with acceleration transducer in the TBOX functional module (9), the acceleration transducer (9) connect with MCU (3).

7. equipment according to claim 5, which is characterized in that the form of the locating module (4) include GPS, Beidou, GLONASS and GALILEO positioning system.

8. equipment according to claim 4, which is characterized in that the vehicle connects background service by communication module (5) Device.

9. equipment according to claim 3, which is characterized in that the form of the human-computer interaction module (7) include touch screen, Voice input and casting, light prompting and screen are shown.