CN105866798A - Vehicle-mounted terminal IOT (Internet of Things) method based on Beidou communication - Google Patents
Vehicle-mounted terminal IOT (Internet of Things) method based on Beidou communication Download PDFInfo
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- CN105866798A CN105866798A CN201610178316.9A CN201610178316A CN105866798A CN 105866798 A CN105866798 A CN 105866798A CN 201610178316 A CN201610178316 A CN 201610178316A CN 105866798 A CN105866798 A CN 105866798A
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- big dipper
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
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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
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a vehicle-mounted terminal IOT (Internet of Things) method based on Beidou communication, and belongs to the technical field of IOT. The method improves the transmission efficiency and reliability of IOT signals in a transmission process. The method employs a Beidou positioning module for positioning of a vehicle-mounted terminal IOT system based on Beidou communication, employs a WiFi module to build a local area network, achieves the communication with the communication equipment in the local area network, achieves the receiving of IOT information, and enables the signal received from the WiFi module to be transmitted to a controller. The controller transmits the signal received from the WiFi module and a touch control signal transmitted by a touch control display screen to a Beidou communication unit. A Beidou communication module of the Beidou communication unit receives the data information transmitted by the vehicle-mounted terminal and the touch control signal of the touch control display screen, carries out the data packaging of the received signal and the format conversion of a Beidou communication protocol, carries out the timing transmission of the converted signal through a communication card circuit, and achieves the vehicle-mounted terminal IOT. The method is used for the technical field of IOT.
Description
Technical field
The invention belongs to technology of Internet of things field.
Background technology
Beidou satellite navigation system be China's independent development, autonomous operation and with the world other for pernicious system compatible use mutually
GPS, Beidou satellite navigation system function improves precision, highly reliable location, navigation and time service service,
It is also equipped with short message communication, differential service and integrity service characteristics, is that National Security of China, economy and society's fierce battle can not
Or the great space fundamental facilities lacked.And the mobile terminal communicated with big-dipper satellite in prior art is due to transmission data lattice
Formula problem all cannot be carried out data transmission.Meanwhile, it is long to there is delay time in existing vehicle-mounted navigation terminal, asking of poor reliability
Topic.
Summary of the invention
The present invention be in order to improve defeated during the efficiency of signal transmission of Internet of Things and reliability, it is proposed that a kind of based on the Big Dipper
Communication van mounted terminal Internet of Things method.
Of the present invention based on Big Dipper communication van mounted terminal Internet of Things method, the method utilizes based on Big Dipper communication van mounted terminal
Internet of things system realizes, and this system includes vehicle communication terminal and Beidou communication unit, and described vehicle communication terminal includes the Big Dipper
Locating module 1, WiFi module 2, memorizer 3, USB interface 4, display module 5, touching display screen 6, controller 7,
GPRS module 8 and a serial port module 9;
The signal input part of memorizer 3 connects the memory data signal outfan of controller 7, the signal output of USB interface 4
Input connects the data input/output terminal of controller 7, and the display control signal input of display module 5 connects controller 7
Display control signal outfan, display module 5 display signal output part connect touching display screen 6 display signal input
End, the operating control signal outfan of touching display screen 6 connects the operating control signal input of controller 7, GPRS mould
The signal of communication input/output terminal of block 8 connects the signal of communication I/O of controller 7;The signal output of WiFi module 2
Input connects the wireless signal I/O of the controller 7 of vehicle communication terminal, the framing signal of Big Dipper locating module 1
Outfan connects the framing signal input of controller 7;
Beidou communication unit includes No. two serial port module 10, power module 11, buffer 12, Big Dipper communication module 13, adjusts
System switch 14 and communication card circuit 15;
The signal of communication input/output terminal of Beidou communication module 13 is by a serial port module 9 and No. two serial port module 10 and car
The controller 7 Beidou communication signal I/O carrying communication terminal connects, and the data buffer storage signal of Big Dipper communication module 13 is defeated
Go out to hold the signal input part of Connection Cache device 12, communication card circuit 15 to be used for Beidou communication card is installed, with Big Dipper communications satellite
Carry out the signal of communication input and output of radio communication, the signal input output end of communication card circuit 15 and Big Dipper communication module 13
End connects, and modulation switch 14 opens or closes for the power supply controlling Big Dipper communication module 13, and power module 11 is for leading to for the Big Dipper
News module 13 is powered;
It is characterized in that, based on Big Dipper communication van mounted terminal Internet of Things method concretely comprise the following steps:
Step one, employing Big Dipper locating module 1 position based on Big Dipper communication vehicle communication terminal Internet of things system, adopt
LAN is set up, it is achieved communicate with the communication apparatus in LAN, it is achieved the reception of Internet of Things information with WiFi module 2,
And the signal receiving WiFi module 2 is sent to controller 7;
After step 2, controller 7 carry out the form conversion of subpackage process and Big Dipper communications protocol to the signal received, timing is sent out
Give Beidou communication unit;
The data received are sent in real time by step 3, Beidou communication unit by Big Dipper cartoon letters circuit 15, it is achieved the Big Dipper
Communication vehicle communication terminal Internet of Things.
The present invention uses Beidou communication unit pair to communicate with Big Dipper communications satellite, and vehicle communication terminal is provided with GPRS
Module realizes carrying out long-range radio communication, arranges Big Dipper locating module, positions self-position fast and effectively, carries
The high reliability of vehicle communication terminal navigation, uses WiFi module assembly LAN simultaneously, it is achieved connect in LAN is logical
News equipment.
Accompanying drawing explanation
Fig. 1 is theory diagram based on Big Dipper communication van mounted terminal Internet of things system of the present invention;
Fig. 2 is flow chart based on Big Dipper communication van mounted terminal Internet of Things method of the present invention.
Detailed description of the invention
Detailed description of the invention one, combine Fig. 1 and Fig. 2 present embodiment be described, described in present embodiment based on Big Dipper communication
Car-mounted terminal Internet of Things method, the method utilizes and realizes based on Big Dipper communication van mounted terminal Internet of things system, and this system includes car
Carrying communication terminal and Beidou communication unit, described vehicle communication terminal includes Big Dipper locating module 1, WiFi module 2, storage
Device 3, USB interface 4, display module 5, touching display screen 6, controller 7, GPRS module 8 and a serial port module 9;
The signal input part of memorizer 3 connects the memory data signal outfan of controller 7, the signal output of USB interface 4
Input connects the data input/output terminal of controller 7, and the display control signal input of display module 5 connects controller 7
Display control signal outfan, display module 5 display signal output part connect touching display screen 6 display signal input
End, the operating control signal outfan of touching display screen 6 connects the operating control signal input of controller 7, GPRS mould
The signal of communication input/output terminal of block 8 connects the signal of communication I/O of controller 7;The signal output of WiFi module 2
Input connects the wireless signal I/O of the controller 7 of vehicle communication terminal, the framing signal of Big Dipper locating module 1
Outfan connects the framing signal input of controller 7;
Beidou communication unit includes No. two serial port module 10, power module 11, buffer 12, Big Dipper communication module 13, adjusts
System switch 14 and communication card circuit 15;
The signal of communication input/output terminal of Beidou communication module 13 is by a serial port module 9 and No. two serial port module 10 and car
The controller 7 Beidou communication signal I/O carrying communication terminal connects, and the data buffer storage signal of Big Dipper communication module 13 is defeated
Go out to hold the signal input part of Connection Cache device 12, communication card circuit 15 to be used for Beidou communication card is installed, with Big Dipper communications satellite
Carry out the signal of communication input and output of radio communication, the signal input output end of communication card circuit 15 and Big Dipper communication module 13
End connects, and modulation switch 14 opens or closes for the power supply controlling Big Dipper communication module 13, and power module 11 is for leading to for the Big Dipper
News module 13 is powered;
It is characterized in that, based on Big Dipper communication van mounted terminal Internet of Things method concretely comprise the following steps:
Step one, employing Big Dipper locating module 1 position based on Big Dipper communication vehicle communication terminal Internet of things system, adopt
LAN is set up, it is achieved communicate with the communication apparatus in LAN, it is achieved the reception of Internet of Things information with WiFi module 2,
And the signal receiving WiFi module 2 is sent to controller 7;
After step 2, controller 7 carry out the form conversion of subpackage process and Big Dipper communications protocol to the signal received, timing is sent out
Give Beidou communication unit;
The data received are sent in real time by step 3, Beidou communication unit by Big Dipper cartoon letters circuit 15, it is achieved the Big Dipper
Communication vehicle communication terminal Internet of Things.
Detailed description of the invention two, present embodiment be to described in detailed description of the invention one based on Big Dipper communication van mounted terminal Internet of Things
Further illustrating of network method, the process that the signal received carries out data subpackage process described in step 2 is: first will
Obtained by data according to fixed byte, data are divided into n packet, then at the packet header first character of each packet
Plus flag and the data length that often wraps at joint, add that check code and flag bit subpackage terminate last two of often bag data,
Wherein, n is the integer more than or equal to 1.
Data described in present embodiment complete to send data according to Fixed Time Interval to given server after subpackage processes, clothes
Business receives data laggard row verification of data.If the exclusive or check of data volume and consistent with often wrapping the check bit carried, represent number
According to correctly, issue general response and carry this data right instructions, car-mounted terminal continuation next bag data of transmission, otherwise car
Mounted terminal reenters the flow process sending these bag data.
Advantages of the present invention:
1, the present invention realizes the polytropism that data send, and can in many ways send data;
2, the popularity of raising Big Dipper application:
3, agreement Beidou communication, can make the subsidiary more information of data of Beidou communication, strengthen its functional practicality.
Claims (2)
1., based on Big Dipper communication van mounted terminal Internet of Things method, the method utilizes based on Big Dipper communication van mounted terminal Internet of things system
Realizing, this system includes that vehicle communication terminal and Beidou communication unit, described vehicle communication terminal and Beidou communication unit include
Big Dipper locating module (1), WiFi module (2), memorizer (3), USB interface (4), display module (5), touch-control are aobvious
Display screen (6), controller (7), GPRS module (8) and a serial port module (9);
The signal input part of memorizer (3) connects the memory data signal outfan of controller (7), USB interface (4)
Signal I/O connects the data input/output terminal of controller (7), the display control signal input of display module (5)
End connects the display control signal outfan of controller (7), and the display signal output part of display module (5) connects touch-control and shows
The display signal input part of display screen (6), the operating control signal outfan of touching display screen (6) connects controller (7)
Operating control signal input, the signal of communication input/output terminal of GPRS module (8) connects the communication letter of controller (7)
Number I/O;The signal I/O of WiFi module (2) connects the wireless of the controller (7) of vehicle communication terminal
Signal I/O, the framing signal outfan of Big Dipper locating module (1) connects the framing signal input of controller (7)
End;
Beidou communication unit includes No. two serial port module (10), power module (11), buffer (12), Big Dipper communication module
(13), modulation switch (14) and communication card circuit (15);
The signal of communication input/output terminal of Beidou communication module (13) passes through a serial port module (9) and No. two serial port module (10)
It is connected with controller (7) the Beidou communication signal I/O of vehicle communication terminal, the data of Big Dipper communication module (13)
The signal input part of buffered signal outfan Connection Cache device (12), communication card circuit (15) is used for installing Beidou communication card,
Radio communication, the signal input output end of communication card circuit (15) and Big Dipper communication module (13) is carried out with Big Dipper communications satellite
Signal of communication input/output terminal connect, modulation switch (14) is used for controlling the power supply of Big Dipper communication module (13) and opens or closes,
Power module (11) is for powering for Big Dipper communication module (13);
It is characterized in that, based on Big Dipper communication van mounted terminal Internet of Things method concretely comprise the following steps:
Step one, employing Big Dipper locating module (1) position based on Big Dipper communication vehicle communication terminal Internet of things system,
WiFi module (2) is used to set up LAN, it is achieved to communicate with the communication apparatus in LAN, it is achieved Internet of Things information
Reception, and the signal that will receive WiFi module (2) sends to controller (7);
After step 2, controller (7) carry out the form conversion of subpackage process and Big Dipper communications protocol to the signal received, regularly
It is sent to Beidou communication unit;
The data received are sent in real time by step 3, Beidou communication unit by Big Dipper cartoon letters circuit (15), it is achieved
Big Dipper communication vehicle communication terminal Internet of Things.
The most according to claim 1 based on Big Dipper communication van mounted terminal Internet of Things method, it is characterised in that in step 2
The process that the described signal to receiving carries out data subpackage process is: first will according to fixed byte by obtained data
Data are divided into n packet, then long plus flag and the data often wrapped at the packet header first character joint of each packet
Degree, terminates plus check code and flag bit subpackage last two of often bag data, and wherein, n is the integer more than or equal to 1.
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CN201610178316.9A CN105866798A (en) | 2016-03-25 | 2016-03-25 | Vehicle-mounted terminal IOT (Internet of Things) method based on Beidou communication |
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Cited By (3)
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CN108572373A (en) * | 2017-03-07 | 2018-09-25 | 北京华信泰科技股份有限公司 | A kind of broadcasting method and device of satellite navigation reinforcing system data |
CN108572374A (en) * | 2017-03-07 | 2018-09-25 | 北京华信泰科技股份有限公司 | A kind of method of reseptance and device of satellite navigation reinforcing system data |
CN110730429A (en) * | 2019-11-18 | 2020-01-24 | 北京春笛网络信息技术服务有限公司 | Equipment for information transmission between Beidou terminal and Internet of things terminal |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108572373A (en) * | 2017-03-07 | 2018-09-25 | 北京华信泰科技股份有限公司 | A kind of broadcasting method and device of satellite navigation reinforcing system data |
CN108572374A (en) * | 2017-03-07 | 2018-09-25 | 北京华信泰科技股份有限公司 | A kind of method of reseptance and device of satellite navigation reinforcing system data |
CN110730429A (en) * | 2019-11-18 | 2020-01-24 | 北京春笛网络信息技术服务有限公司 | Equipment for information transmission between Beidou terminal and Internet of things terminal |
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Application publication date: 20160817 |