CN112887431A - Vehicle-mounted intelligent terminal - Google Patents

Vehicle-mounted intelligent terminal Download PDF

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Publication number
CN112887431A
CN112887431A CN202110288039.8A CN202110288039A CN112887431A CN 112887431 A CN112887431 A CN 112887431A CN 202110288039 A CN202110288039 A CN 202110288039A CN 112887431 A CN112887431 A CN 112887431A
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pin
power supply
module
controller
data
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CN202110288039.8A
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CN112887431B (en
Inventor
黄晓峰
张永春
郝中旭
邓雨娇
许文昊
刘星晨
杨子舲
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Hunan University of Technology
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Hunan University of Technology
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L2012/40208—Bus networks characterized by the use of a particular bus standard
    • H04L2012/40215—Controller Area Network CAN

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Traffic Control Systems (AREA)

Abstract

A vehicle-mounted intelligent terminal is composed of a microcontroller, a positioning module, a CAN module, a liquid crystal display module, a Lora wireless module and a 4G communication module; the positioning module collects longitude, latitude and altitude data and sends the data to the microcontroller; the CAN module collects information of the automobile ECU and sends the information to the microcontroller; the liquid crystal display module displays data collected by the positioning module and the CAN module; the Lora wireless module transmits the acquired data between the vehicle-mounted terminal and the vehicle-mounted terminal; the 4G communication module sends the collected data to an internet cloud platform; the invention can be widely applied to household and commercial automobiles, a user can check the real-time data of the automobile through the local terminal, and an administrator can supervise the real-time data of the automobile on the Internet cloud platform, thereby ensuring the driving safety of the automobile; the stored data can also be used as data available to the vehicle for health management.

Description

Vehicle-mounted intelligent terminal
Technical Field
The invention relates to the field of automobile intelligent communication, in particular to a vehicle-mounted intelligent terminal.
Background
The vehicle-mounted intelligent terminal of the automobile is an important part of an intelligent traffic system and unmanned driving, integrates a positioning navigation technology, a wireless communication technology and an information processing technology, collects, records and stores the state of the automobile, and realizes information transmission between the automobiles and the Internet; the intelligent vehicle-mounted terminal can record the information such as the current position, the vehicle speed, the rotating speed and the like of the vehicle in detail and provide the current information for the driver in real time, so that the accident probability is greatly reduced; the vehicle-mounted terminal on the market at the present stage cannot realize information transmission between vehicles and between the vehicles and the internet, is inconvenient for users to use, and is difficult to meet the requirements of users in the internet of vehicles, so that a vehicle-mounted intelligent terminal with rich functions and reliable quality is urgently needed.
Disclosure of Invention
The invention aims to overcome the defects of high cost, single function and low intelligence of the conventional vehicle-mounted terminal and provides a vehicle-mounted intelligent terminal with rich functions and strong performance.
In order to achieve the above purpose, the technical scheme of the invention is as follows: a vehicle-mounted intelligent terminal is composed of a microcontroller, a positioning module, a CAN module, a liquid crystal display module, a Lora wireless module and a 4G communication module; the positioning module collects longitude, latitude and altitude data and sends the data to the microcontroller; the CAN module collects information of the automobile ECU and sends the information to the microcontroller; the liquid crystal display module displays data collected by the positioning module and the CAN module; the Lora wireless module transmits the acquired data between the vehicle-mounted terminal and the vehicle-mounted terminal; the 4G communication module sends the collected data to an internet cloud platform; the invention can be widely applied to household and commercial automobiles, a user can check the real-time data of the automobile through the local terminal, and an administrator can supervise the real-time data of the automobile on the Internet cloud platform, thereby ensuring the driving safety of the automobile; the stored data can also be used as data available to the vehicle for health management.
The microcontroller consists of a first controller; a power supply positive pin VCC of the first controller is connected with a first power supply VD1, and a power supply ground pin GND is connected with a first power supply common ground GND 1; the AD conversion reference voltage input pin of the first controller is connected to a first voltage reference VREF 1.
The positioning module consists of a first positioning chip, a first resistor and an indicator light; a power supply input pin VCC of the first positioning chip is connected with a first power supply VD1, and a power supply ground pin GND is connected with a first power supply common ground GND 1; the receiving data pin RXD is connected with an output pin PB11 of the first controller, and the sending data pin TXD is connected with an output pin PB10 of the first controller; the first power supply VD1 is connected with a clock pulse output pin PPS of the first positioning chip U2 through a first resistor and an indicator light.
The CAN module consists of a first CAN transceiver; a power supply input pin VCC of the first CAN transceiver is connected with a first power supply VD1, and a power supply ground pin GND is connected with a first power supply common ground GND 1; the receiving data pin RXD is connected with an output pin PA11 of the first controller, and the transmitting data pin TXD is connected with an output pin PA12 of the first controller; the register selection pin RS is connected to the first power supply common ground GND1, and the AD conversion reference voltage input pin is connected to the first voltage reference VREF 1.
The liquid crystal display module consists of a liquid crystal display, a first triode and a second resistor, a power supply input pin VCC of the liquid crystal display is connected with a first power supply VD1, and a power supply ground pin GND is connected with a first power supply common ground GND 1; the register selection pin RS is connected with an output pin PG0 of the first controller, the read-write signal pin R/W is connected with an output pin PD5 of the first controller, the enable pin EN is connected with an output pin PF10 of the first controller, the data pin DB 1-DB 16 is connected with an input/output pin PE7-PE15 of the first controller, the backlight positive electrode pin LED + is connected with a first power supply VD1, and the backlight negative electrode pin LED-is connected with an emitting electrode of the first triode; the base electrode of the first triode is connected with an output pin PB0 of the first controller through a second resistor, and the collector electrode of the first triode is connected with a first power supply common ground GND 1.
The Lora wireless module consists of a first wireless communication chip; a power supply input pin VCC of the first wireless communication chip is connected with a first power supply VD1, and a power supply ground pin GND is connected with a first power supply common ground GND 1; the receive data pin RXD is connected to the output pin PA9 of the first controller, the transmit data pin TXD is connected to the output pin PA10 of the first controller, and the transmit data pin MD0 is connected to the first power supply common ground GND 1.
The 4G communication module consists of a first communication chip; a power supply input pin VCC of the first communication chip is connected with a first power supply VD1, and a power supply ground pin GND is connected with a first power supply common ground GND 1; the receive data pin RXD is connected to the first controller output pin PA3 and the transmit data pin TXD is connected to the first controller output pin PA 2.
Compared with the prior art, the invention has the following advantages: a positioning module of the vehicle-mounted intelligent terminal collects longitude, latitude and altitude data and sends the data to a microcontroller; the CAN module collects information of the automobile ECU and sends the information to the microcontroller; the liquid crystal display module displays data collected by the positioning module and the CAN module; the Lora wireless module transmits the acquired data between the vehicle-mounted terminal and the vehicle-mounted terminal; the 4G communication module sends the collected data to an internet cloud platform; the invention can be widely applied to household and commercial automobiles, a user can check the real-time data of the automobile through the local terminal, and an administrator can supervise the real-time data of the automobile on the Internet cloud platform, thereby ensuring the driving safety of the automobile; the stored data can also be used as data available to the vehicle for health management.
Drawings
Fig. 1 is a block diagram of a system structure of a vehicle-mounted intelligent terminal.
Fig. 2 is a schematic circuit diagram of a vehicle-mounted intelligent terminal.
Fig. 3 is a flowchart of a main program of the vehicle-mounted intelligent terminal.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1, a vehicle-mounted intelligent terminal is composed of a microcontroller (1), a positioning module (2), a CAN module (3), a liquid crystal display module (4), a Lora wireless module (5) and a 4G communication module (6); the positioning module (2) collects longitude, latitude and altitude data and sends the data to the microcontroller (1); the CAN module (3) collects automobile ECU information and sends the information to the microcontroller (1); the liquid crystal display module (4) displays the data collected by the positioning module (2) and the CAN module (3); the Lora wireless module (5) transmits the acquired data between the vehicle-mounted terminal and the vehicle-mounted terminal; the 4G communication module (6) sends the collected data to an internet cloud platform; the invention can be widely applied to household and commercial automobiles, a user can check the real-time data of the automobile through the local terminal, and an administrator can supervise the real-time data of the automobile on the Internet cloud platform, thereby ensuring the driving safety of the automobile; the stored data can also be used as data available to the vehicle for health management.
As shown in fig. 2, the microcontroller (1) is composed of a first controller U1; a power supply positive pin VCC of the first controller U1 is connected with a first power supply VD1, and a power supply ground pin GND is connected with a first power supply common ground GND 1; the AD conversion reference voltage input pin of the first controller U1 is connected to a first voltage reference VREF 1.
The positioning module (2) consists of a first positioning chip U2, a first resistor R1 and an indicator light LED 1; a power supply input pin VCC of the first positioning chip U2 is connected with a first power supply VD1, and a power supply ground pin GND is connected with a first power supply common ground GND 1; the receiving data pin RXD is connected with the output pin PB11 of the first controller U1, and the transmitting data pin TXD is connected with the output pin PB10 of the first controller U1; the first power supply VD1 is connected to the clock pulse output pin PPS of the first positioning chip U2U2 through the first resistor R1 and the indicator light LED 1.
The CAN module (3) consists of a first CAN transceiver U3; a power supply input pin VCC of the first CAN transceiver U3 is connected with a first power supply VD1, and a power supply ground pin GND is connected with a first power supply common ground GND 1; the receiving data pin RXD is connected with an output pin PA11 of the first controller U1, and the transmitting data pin TXD is connected with an output pin PA12 of the first controller U1; the register selection pin RS is connected to the first power supply common ground GND1, and the AD conversion reference voltage input pin is connected to the first voltage reference VREF 1.
The liquid crystal display module (4) consists of a Liquid Crystal Display (LCD) 1, a first triode Q1 and a second resistor R2, a power supply input pin VCC of the LCD1 is connected with a first power supply VD1, and a power supply ground pin GND is connected with a first power supply common ground GND 1; the register selection pin RS is connected with an output pin PG0 of the first controller U1, the read-write signal pin R/W is connected with an output pin PD5 of the first controller U1, the enable pin EN is connected with an output pin PF10 of the first controller U1, the data pins DB 1-DB 16 are connected with input and output pins PE7-PE15 of the first controller U1, the backlight positive electrode pin LED + is connected with a first power supply VD1, and the backlight negative electrode pin LED-is connected with an emitter of the first triode Q1; the base of the first transistor Q1 is connected to the output pin PB0 of the first controller U1 through a second resistor R2, and the collector of the first transistor Q1 is connected to the first power supply common ground GND 1.
The Lora wireless module (5) is composed of a first wireless communication chip U4; a power supply input pin VCC of the first wireless communication chip U4 is connected with a first power supply VD1, and a power supply ground pin GND is connected with a first power supply common ground GND 1; the receive data pin RXD is connected to the output pin PA9 of the first controller U1, the transmit data pin TXD is connected to the output pin PA10 of the first controller U1, and the transmit data pin MD0 is connected to the first power supply common ground GND 1.
The 4G communication module (6) is composed of a first communication chip U5; a power supply input pin VCC of the first communication chip U5 is connected with a first power supply VD1, and a power supply ground pin GND is connected with a first power supply common ground GND 1; the receive data pin RXD is connected to the output pin PA3 of the first controller U1 and the transmit data pin TXD is connected to the output pin PA2 of the first controller U1.
As shown in fig. 3, it is a flow chart of a main process of a vehicle-mounted intelligent terminal, and the main process specifically includes the following working steps:
firstly, initializing a vehicle-mounted terminal;
step two, the positioning module (2) collects longitude, latitude and altitude, and the CAN module (3) collects automobile ECU information;
step three, the liquid crystal display module (4) displays the acquired data;
step four, the 4G communication module (6) sends the data to the Ali cloud platform;
fifthly, the Lora wireless module (5) transmits data vehicles to the other vehicles;
and step six, turning to step two.
It should be noted that the invention has been described in detail above using general description and specific examples, but it is obvious to those skilled in the art that many variations and modifications of the embodiments are possible, and are not limited to the specific examples of the above-described embodiments; the foregoing examples are provided by way of illustration of the present invention only, and not by way of limitation; therefore, it is intended that the appended claims cover all such modifications and variations as fall within the true spirit and scope of this present invention.

Claims (1)

1. The vehicle-mounted intelligent terminal consists of a microcontroller, a positioning module, an automobile CAN module, a liquid crystal display module and a 4G communication module, and is characterized in that
The system also comprises a Lora wireless module;
the positioning module collects longitude, latitude and altitude data and sends the data to the microcontroller; the CAN module collects information of the automobile ECU and sends the information to the microcontroller; the liquid crystal display module displays data collected by the positioning module and the CAN module; the Lora wireless module transmits the acquired data between the vehicle-mounted terminal and the vehicle-mounted terminal; the 4G communication module sends the collected data to an internet cloud platform;
the microcontroller consists of a first controller; a power supply positive pin VCC of the first controller is connected with a first power supply VD1, and a power supply ground pin GND is connected with a first power supply common ground GND 1; the AD conversion reference voltage input pin of the first controller is connected with a first voltage reference VREF 1;
the positioning module consists of a first positioning chip, a first resistor and an indicator light; a power supply input pin VCC of the first positioning chip is connected with a first power supply VD1, and a power supply ground pin GND is connected with a first power supply common ground GND 1; the receiving data pin RXD is connected with an output pin PB11 of the first controller, and the sending data pin TXD is connected with an output pin PB10 of the first controller; the first power supply VD1 is connected with a clock pulse output pin PPS of the first positioning chip U2 through a first resistor and an indicator light;
the CAN module consists of a first CAN transceiver; a power supply input pin VCC of the first CAN transceiver is connected with a first power supply VD1, and a power supply ground pin GND is connected with a first power supply common ground GND 1; the receiving data pin RXD is connected with an output pin PA11 of the first controller, and the transmitting data pin TXD is connected with an output pin PA12 of the first controller; the register selection pin RS is connected with a first power supply common ground GND1, and the AD conversion reference voltage input pin is connected with a first voltage reference VREF 1;
the liquid crystal display module consists of a liquid crystal display, a first triode and a second resistor, a power supply input pin VCC of the liquid crystal display is connected with a first power supply VD1, and a power supply ground pin GND is connected with a first power supply common ground GND 1; the register selection pin RS is connected with an output pin PG0 of the first controller, the read-write signal pin R/W is connected with an output pin PD5 of the first controller, the enable pin EN is connected with an output pin PF10 of the first controller, the data pin DB 1-DB 16 is connected with an input/output pin PE7-PE15 of the first controller, the backlight positive electrode pin LED + is connected with a first power supply VD1, and the backlight negative electrode pin LED-is connected with an emitting electrode of the first triode; the base electrode of the first triode is connected with an output pin PB0 of the first controller through a second resistor, and the collector electrode of the first triode is connected with a first power supply common ground GND 1;
the Lora wireless module consists of a first wireless communication chip; a power supply input pin VCC of the first wireless communication chip is connected with a first power supply VD1, and a power supply ground pin GND is connected with a first power supply common ground GND 1; the receiving data pin RXD is connected with an output pin PA9 of the first controller, the transmitting data pin TXD is connected with an output pin PA10 of the first controller, and the transmitting data pin MD0 is connected with a first power supply common ground GND 1;
the 4G communication module consists of a first communication chip; a power supply input pin VCC of the first communication chip is connected with a first power supply VD1, and a power supply ground pin GND is connected with a first power supply common ground GND 1; the receive data pin RXD is connected to the first controller output pin PA3 and the transmit data pin TXD is connected to the first controller output pin PA 2.
CN202110288039.8A 2021-03-17 Vehicle-mounted intelligent terminal Active CN112887431B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN112887431B CN112887431B (en) 2024-05-14

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009121214A1 (en) * 2008-04-01 2009-10-08 Guo Jianguo A message terminal for gps positioning and ranging and electronic license plate for a vehicle
CN106950452A (en) * 2017-05-04 2017-07-14 湖南工业大学 A kind of locomotive high-voltage power network electric energy quality on-line monitoring device
CN210781364U (en) * 2019-12-19 2020-06-16 众能联合数字技术有限公司 High-altitude vehicle-mounted positioning terminal integrating Lora auxiliary communication
CN214412781U (en) * 2021-03-17 2021-10-15 湖南工业大学 Vehicle-mounted intelligent terminal

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009121214A1 (en) * 2008-04-01 2009-10-08 Guo Jianguo A message terminal for gps positioning and ranging and electronic license plate for a vehicle
CN106950452A (en) * 2017-05-04 2017-07-14 湖南工业大学 A kind of locomotive high-voltage power network electric energy quality on-line monitoring device
CN210781364U (en) * 2019-12-19 2020-06-16 众能联合数字技术有限公司 High-altitude vehicle-mounted positioning terminal integrating Lora auxiliary communication
CN214412781U (en) * 2021-03-17 2021-10-15 湖南工业大学 Vehicle-mounted intelligent terminal

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