CN206077429U - Car networking intelligent gateway - Google Patents

Abstract

This utility model embodiment provides a kind of car networking intelligent gateway, including：Primary processor；Electrically connect with primary processor, for being accurately positioned the satellite positioning module of vehicle location；Electrically connect with primary processor, for connecting the Internet, realize the mobile communication module of telecommunication；Electrically connect with primary processor, the LAN module of interface is provided for user's networking；Electrically connect with primary processor, the bluetooth module with other bluetooth equipment connecting communications；Electrically connect with primary processor, for the MOST bus modules of audio video transmission multi-medium data；And electrically connect with primary processor, as the usb expansion interface that reserved function extension is used.This utility model embodiment opens relevant interface, to facilitate other mobile units by this gateway accessing the Internet, provides strong big data for intelligent transportation.

Description

Car networking intelligent gateway

Technical field

This utility model is related to wireless communication field, more particularly to a kind of car networking intelligent gateway.

Background technology

Reform and open up to the outside world more than 30 years, the living standard more and more higher of the people, private car are more and more.But the automobile text of the country Change development soon, the driving behavior of the people is not so good, along with path resource limited at present, is particularly easy to draw Vehicle accident is played, traffic jam is frequently resulted in.According to relevant departments' data statisticss, more than 80% traffic jam and vehicle accident are all It is by caused by bad steering behavior.

Solve traffic problems it is most important be also most efficient method be construction of high-tech traffic system based on car networking, and car networking Build and be unable to do without vehicle intelligent gateway.

Three classes of existing gateway technique and product point：The industrial and consumer gateway router of the first quasi-tradition, such as domestic Broadband router, industrial occasions route switching system, the access of Ethernet is all access in radio, be adapted to stationary applica-tions ether Net accesses application, is not suitable for moving applications；Equations of The Second Kind is 3G/4G-WIFI gateways, there is provided the wireless access of mobile Internet access, Although 3G/4G-WIFI gateway products are adapted to mobile applications, be all standard RJ45 cable LANs access and WIFI without Line LAN optimization, does not possess automobile specified communication bus interface, can not carry out data interaction with automobile；3rd class is vehicle-mounted Long range positioning terminal, is specifically designed for positional information positioning and the car operation management of vehicle, is belonging to special product, and it is right not reserve External tapping, miscellaneous equipment cannot pass through the kind equipment access network based on ethernet or remote server.

Utility model content

Not enough for more than, this utility model embodiment proposes a kind of car networking intelligent gateway, including：

Primary processor；Electrically connect with primary processor, for being accurately positioned the satellite positioning module of vehicle location；With main process task Device is electrically connected, and for connecting the Internet, realizes the mobile communication module of telecommunication；Electrically connect with primary processor, be user's connection Net provides the LAN module of interface；Electrically connect with primary processor, for the bluetooth module with other bluetooth equipment connecting communications； Electrically connect with primary processor, for the MOST bus modules of audio video transmission multi-medium data；And electrically connect with primary processor, make For the usb expansion interface that reserved function extension is used.

This utility model embodiment is adapted to automobile movement communication situation application, and can access various mobile units carries out data friendship Mutually.

In terms of the realization of product, we combine multiple hardwares technology and software engineering, including but not limited to channel radio Letter, the Big Dipper/gps satellite positioning, CAN technology, router gateway technology, GIS-Geographic Information System (GIS), embedded software etc. Technology.

In software aspects, open relevant interface, to facilitate other mobile units by this gateway accessing the Internet, accomplishes true Positive car networking, provides strong big data for intelligent transportation.

Description of the drawings

Fig. 1 is hardware circuit principle block diagram of the present utility model.

Fig. 2 is the total theory diagram of software program of the present utility model.

Fig. 3 is gateway data interaction concept block diagram of the present utility model.

Fig. 4 is data flow program flow diagram of the Ethernet of the present utility model to car borne gateway.

Fig. 5 is the program flow diagram that mobile unit of the present utility model transmits data to Ethernet by gateway.

Specific embodiment

In order to more specifically describe this utility model, below in conjunction with the accompanying drawings and specific embodiment is to of the present utility model Technical scheme and its operation principle are described in detail.

As shown in figure 1, this utility model uses dual processor on hardware, primary processor is at 32/64 multi-cores Reason device, data processing performance is powerful, be mainly responsible for mobile communication (the whole network leads to 5G/4G/3G), wired and WLAN, towards Multimedia system transfers (MOST) bus, bluetooth communication etc.；Another is auxiliary processor Control-oriented, main to be responsible for and automobile CAN, LIN bus communications, and private radio communication.Major and minor processor is communicated by SPI and UART double nips, is realized The two-way communication of big data.

Primary processor uses 32/64 multi-core processors, it is recommended to use S5P4418 or S5P6818, two processor are hard Part is completely compatible, pin Pin2Pin.S5P4418 is 32 tetra- core processors of ARM, and S5P6818 is at 64 eight cores of ARM Reason device, performance are more powerful.Memorizer uses 1GB DDR+8GB eMMC, it is recommended to use 2GB DDR+32GB eMMC.MCU is controlled Device uses 32 ARM Cortex-M3 kernel processes, it is recommended to use STM32F200 series or LPC1700 are serial.

Hereinafter the function of each Implement of Function Module in this utility model is described in detail：

1) satellite positioning module is, using the Big Dipper/GPS or other satellite positioning modules, satellite positioning signal to be parsed into mark Accurate location information data form, is sent to main control processor by UART serial ports, so as to obtain the position coordinateses of vehicle, realizes Accurate location positioning.

2) mobile communication module be using based on 5G/4G/3G/2G standard bases communicate module, by UART/USB with Main control processor data interaction, sets up the communication port of vehicle and Cloud Server, realizes telecommunications functions.Wherein telecommunication Data include driving behavior data, positional information, audio-visual data, situation of remote data, and other related datas is upper Carry and download.

3) LAN module be using wired and wireless WIFI technology, be available for passenger inside the vehicle's phone network use or other set Standby (display screen, shooting are first-class) is used, and also provides interface for equipment networking is filled after automobile.

4) bluetooth module is communicated with in-car other bluetooth equipments, there is provided the transmission channel of voice or data.

5) MOST of MOST bus modules is writing a Chinese character in simplified form towards multimedia system transfers, for many matchmakers of audio video transmission Volume data, makes in-vehicle multi-media system network more convenient.

6) usb expansion interface is that reserved function extension is used.

7) in OBD/CAN buses, OBD is the abbreviation of English On-Board Diagnostic, and translator of Chinese is " OBD System ".OBD interfaces generally comprise CAN and K lines.CAN is controller local area network (Controller Area Network, CAN) abbreviation, CAN agreement have become Computer Controlled System for Vehicle and built-in industrial control local The STD bus of net.Automobile ECU and various sensors, by CAN collaborative work.This gateway enters to data in CAN Row is monitored, and can read the states such as running data.

8) LIN buses are a kind of bussing techniques of low cost, and the target of LIN is that (for example CAN is total for existing automotive networking Line) provided auxiliary function.This gateway is monitored to data in LIN buses, can read the states such as running data.

9) RS232/485 buses are reserved extension, provide interface for equipment networking is filled after automobile.

10) short-distance wireless communication module is Dedicated Short Range Communications (special using DSRC With short-range communication technology), for the communication of intelligent transportation Zhong Cheyu roads, car and car；And 315/433 wireless communication module, use Communicate in in-vehicle wireless device, such as tire pressure monitoring sensor etc..

11) 315/433 wireless communication module, communicates for in-vehicle wireless device, such as tire pressure monitoring sensor etc..

As shown in Fig. 2 this utility model adopts ARM multi-core processors, multi-process multi-threading parallel process.Software is used Android operation system, is made up of the driver and application program of operating system and each hardware module.

As shown in figure 3, this utility model is to mobile data and local area network communication data, using the ether Netcom of standard Other all data channel are defined one or more addresses by letter agreement, in data exchange process, gateway data analysis, Data interaction carries out bidirectional data interaction by detecting source address and destination address.

As shown in figure 4, when the data remotely sent to Ethernet on car borne gateway, first judging whether specific purposes ground Location, if any specific purposes address, is then first transferred to corresponding thread process program, carries out data processing again by each thread.Such as nothing Specific purposes address, then make corresponding Data Analysis Services by primary processor.

As shown in figure 5, when gateway receives the data of mobile unit transmission, first judge whether comprising ethernet address, if any Ethernet address, then be sent to Ethernet by mobile communication thread data；Such as without ethernet address, then made by primary processor Corresponding Data Analysis Services.

In above-mentioned technical proposal substantially, increase display screen and import electronic chart, navigation programming, real-time road can be carried out Condition is reminded, and increasing voice collecting can carry out interactive voice and online/local music broadcasting with broadcast unit.

In above-mentioned technical proposal substantially, perfect GIS-Geographic Information System management service platform, vehicle and service are equipped with Platform is networked, and platform is interactive with the networking of traffic road administration associated gate, allows driver to obtain more real-time traffics, and periphery The supporting information of life, all using speech sound eeplaining or prompting, allow trip it is safer, be more convenient.

Embodiment described above is only that preferred implementation of the present utility model is described, not to this practicality New spirit and scope are defined.On the premise of design is related to without departing from this utility model, this area ordinary person couple Various modifications and improvement that the technical solution of the utility model is made, all should fall into protection domain of the present utility model, this practicality The new technology contents being claimed all have been recorded in detail in the claims.

Claims (5)

1. a kind of car networking intelligent gateway, it is characterised in that the intelligent gateway includes：

Primary processor；Electrically connect with primary processor, for being accurately positioned the satellite positioning module of vehicle location；With primary processor electricity Connection, for connecting the Internet, realizes the mobile communication module of telecommunication；Electrically connect with primary processor, be that user's networking is carried For the LAN module of interface；Electrically connect with primary processor, for the bluetooth module with other bluetooth equipment connecting communications；With master Processor is electrically connected, for the MOST bus modules of audio video transmission multi-medium data；And electrically connect with primary processor, as pre- Stay the usb expansion interface that Function Extension is used.

2. car networking intelligent gateway as claimed in claim 1, it is characterised in that the intelligent gateway also includes：With main process task MCU controller of the device by the connection of SPI and UART double interface communications；And electrically connect with MCU controllers, for reading running The OBD/CAN buses of data.

3. car networking intelligent gateway as claimed in claim 2, it is characterised in that the intelligent gateway also includes and MCU controls The LIN buses of device electrical connection.

4. car networking intelligent gateway as claimed in claim 2, it is characterised in that the intelligent gateway also includes and MCU controls Device is electrically connected, for the RS232/485 buses that equipment networking provides interface are filled after automobile.

5. car networking intelligent gateway as claimed in claim 2, it is characterised in that the intelligent gateway also includes and MCU controls Device is electrically connected, for 315/433 wireless communication module of in-vehicle wireless device communication.