CN106297370A - Vehicle-mounted monitoring apparatus - Google Patents
Vehicle-mounted monitoring apparatus Download PDFInfo
- Publication number
- CN106297370A CN106297370A CN201610765836.XA CN201610765836A CN106297370A CN 106297370 A CN106297370 A CN 106297370A CN 201610765836 A CN201610765836 A CN 201610765836A CN 106297370 A CN106297370 A CN 106297370A
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- Prior art keywords
- data
- vehicle
- big dipper
- monitor terminal
- center
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
- G08G1/127—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
-
- 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
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
- G08G1/133—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams within the vehicle ; Indicators inside the vehicles or at stops
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Traffic Control Systems (AREA)
Abstract
Present invention is disclosed a kind of vehicle-mounted monitoring apparatus, the vehicle monitor terminal installed on vehicle is provided with and the communication module of Big Dipper positioning satellite communication, described communication module communicates with Big Dipper differential system, described Big Dipper differential system includes satellite monitoring center and least one set fixed reference website, the differential server communication that described fixed reference website is centrally disposed with satellite monitoring, described differential server goes out poor location divided data according to the positional information calculation of fixed reference website and vehicle monitor terminal and sends to vehicle monitor terminal.The vehicle-mounted monitoring system of the present invention accesses conveniently, location data have higher precision after differential data correction, efficiently avoid and misrepresents deliberately and report by mistake.
Description
Technical field
The present invention relates to electronic light card field, be specifically related to a kind of vehicle-mounted monitoring apparatus.
Background technology
Vehicle positioning is generally based on what GPS/BD alignment system built at present, and this vehicle-mounted monitoring system only provides base
This video storage, video net pass, position the functions such as information reporting, map denotation and vehicle scheduling.By satellite-signal blind area, determine
The impact of the factors such as position precision is low, the location information of terminal to report is after map denotation, and the positional information of display is actual with vehicle
Position differs greatly.And applied business of based on this location information, the most often occur such as intelligent scheduling function, function of calling out the stops etc. adjusting
Degree instruction issuing mistake, the situation of bus station wrong report, cause affect greatly to people's trip and Consumer's Experience
Therefore, the technology that the Vehicular video monitoring system of higher precision and method are the most urgently to be resolved hurrily how is provided to ask
Topic.
Summary of the invention
The technical problem to be solved be realize a kind of stable and reliable operation, vehicle-mounted monitoring system that positioning precision is high
System.
To achieve these goals, the technical solution used in the present invention is: vehicle-mounted monitoring apparatus, and what vehicle was installed is vehicle-mounted
Monitor terminal is provided with and the communication module of Big Dipper positioning satellite communication, and described communication module communicates with Big Dipper differential system, institute
State Big Dipper differential system and include that satellite monitoring center and least one set fixed reference website, described fixed reference website are supervised with satellite
Controlling centrally disposed differential server communication, described differential server is according to fixed reference website and the position of vehicle monitor terminal
Information calculates poor location divided data and sends to vehicle monitor terminal.
Described vehicle monitor terminal includes:
Correcting module: for receiving the poor location divided data of BEI-DOU position system transmission and to the reception of vehicle-mounted monitoring center
Satellite location data compensates and corrects；
Call out the stops module: be connected with external microphone, be used for reporting monitoring information；
Scheduler module: for receiving the dispatch command that data server issues, and by telegraph tractator station after the process of this dispatch command
Resume module；
Coding module: the video data of location data with vehicle-mounted reception for the Big Dipper positions terminal reception carries out video
Overlap-add procedure, in order to can accurately show the trace information of vehicle during synchronized playback；
Memorizer: be used for storing data message.
Described vehicle monitor terminal be circumscribed with for report schedule information, site information and with Surveillance center call microphone,
For gathering the photographic head of video image, for showing video and the display of associated vehicle status information
Described communication module and data monitor center communication, described communication module includes dial-up connection module and wifi mould
Block.
Described data monitor center forwards the video of vehicle monitor terminal, location, driving states information to front-end customer PC
Terminal and front-end customer mobile terminal.
A kind of pure electronic light card, is provided with vehicle-mounted monitoring apparatus as described in claim 1-5 in described pure electronic light card.
Monitoring method based on described pure electronic light card:
Step S1, after vehicle monitor terminal powers on, system is according to configuration determination network access mode, respectively with Big Dipper difference
System and data monitor center are set up network and are connected；
Step S2, registers to Big Dipper differential system, sets up data transmission relations, and send a rough coordinates, to data
Surveillance center registers, and sets up data transmission relations；
Step S3, starts vehicle monitor terminal, it may be judged whether exist and effectively position data, if existing, receives the Big Dipper fixed
Position information, if without, continue monitoring；
Step S4, synchronize Big Dipper differential system data, and obtain the Big Dipper check the mark system send poor location divided data；
Step S5, it is modified by the poor location divided data location data that vehicle monitor terminal is received received, it is thus achieved that
Revised high-precision fixed bit data, and this high-precision fixed bit data is sent to data monitor center；
Step S6, it is judged that whether current location meets requirement of calling out the stops, and broadcasts if then high-precision fixed bit data being carried out website
Report.
In described step S4, after Big Dipper differential system receives the rough coordinates positional information that vehicle monitor terminal sends, by
Computer automatically selects optimal one group fixed reference website, the information sent according to these websites, global revision big-dipper satellite
The orbit error of alignment system；The error that ionosphere, troposphere and atmospheric refraction cause, and high-precision differential data is sent
To vehicle monitor terminal.
Also include step S7, receive the control instruction that data center issues, it may be judged whether for dispatch command, if then to this
Dispatch command is reported.
Also include step S8, it is judged that if whether driving states changes then send variable condition data to data monitoring
Center.
The vehicle-mounted monitoring system of the present invention accesses conveniently, location data have higher precision after differential data correction,
Efficiently avoid and misrepresent deliberately and report by mistake.
Accompanying drawing explanation
Labelling in the content expressed every width accompanying drawing in description of the invention below and figure is briefly described:
Fig. 1 is the network topological diagram of the present invention；
Fig. 2 is the theory diagram of vehicle monitor terminal；
Fig. 3 is the theory diagram of Big Dipper differential system；
Fig. 4 is the workflow diagram of the present invention；
Labelling in above-mentioned figure is:
1, Big Dipper position location satellite；2, vehicle monitor terminal；3, Big Dipper differential system；4, data monitor center；5, front end visitor
Family PC terminal；6, front-end customer mobile terminal；
21, microphone；22, photographic head；23 display；
31, satellite monitoring center；32, fixed reference website.
Detailed description of the invention
As it is shown in figure 1, the vehicle-mounted monitoring system based on BEI-DOU position system that the present invention proposes includes: Big Dipper position location satellite
1, vehicle monitor terminal 2, Big Dipper differential system 3 and data monitor center 4.Big Dipper differential system 3 and data monitor center 4 are permissible
Put together, it is also possible to be provided separately.Data monitor center 4 and front-end customer PC terminal 5 and/or front-end customer mobile terminal 6
Communication.
As in figure 2 it is shown, Big Dipper differential system 3 includes: satellite monitoring center 31 and least one set fixed reference website 32, Gu
Determining the differential server communication that reference station 32 is arranged with satellite monitoring center 31, differential server is according to fixed reference website 32
Go out poor location divided data with the positional information calculation of vehicle monitor terminal 2 and send to vehicle monitor terminal 2.
Multiple fixed reference websites 32 form a virtual reference station network (VRS), and each fixed reference website 32 is the most direct
Send any update information to car-mounted terminal user, but all of initial data is issued Big Dipper difference system by wireless network
System 3.Meanwhile, vehicle monitor terminal 2 user, before work, first passes through 3G and communicates to the satellite monitoring center of Big Dipper differential system 3
31 send a rough coordinates, after satellite monitoring center 31 receives this positional information, according to customer location, automatic by computer
Select one group of optimal fixed reference website 32, the information sent according to fixed reference website 32, overall correction Big Dipper location
The orbit error of system；Then high-precision differential correcting data are sent out by the error that ionosphere, troposphere and atmospheric refraction cause
To vehicle monitor terminal 2.The effect of these differential corrections data is equivalent on vehicle monitor terminal 2 side, generate one virtual
Reference base station, it is ensured that the positioning precision of vehicle monitor terminal 2 user.
As it is shown on figure 3, vehicle monitor terminal 2 includes: Big Dipper location terminal, for receiving the location of Big Dipper position location satellite 1
Information；Communication module, is connected for setting up wireless network with Big Dipper differential system 3 and data monitor center 4, and communication module includes
Dial-up connection module (3G/4G base station) and wifi module；Correcting module, for receiving the location difference that BEI-DOU position system sends
Data the satellite location data receiving vehicle-mounted monitoring center compensate and correct；Call out the stops module, be connected with external microphone 21,
For reporting monitoring information；Scheduler module, for receiving the dispatch command that data server issues, and processes this dispatch command
Rear telegraph tractator station resume module；Coding module, for positioning by the Big Dipper for location data and the video counts of vehicle-mounted reception that terminal receives
According to carrying out video superimpose process, in order to can accurately show the trace information of vehicle during synchronized playback；And memorizer.Vehicle-mounted monitoring
Terminal 2 external microphone 21, is used for reporting schedule information, site information and conversing with Surveillance center；Photographic head 22, regards for collection
Frequently image；LCD display 23, is used for showing video and associated vehicle status information.Vehicle-mounted monitoring system is adopted by photographic head 22
Collection audio, video data also send vehicle monitor terminal 2 to encode, and coded data is stored in the memorizer that vehicle monitor terminal 2 carries
On, and it is uploaded to data monitor center 4 through wireless network.
Data monitor center 4 receives the registration from vehicle monitor terminal 2, forwards the video of vehicle monitor terminal 2, determines
Position, driving states information to front-end customer PC terminal 5, front-end customer mobile terminal 6, such as mobile phone；Storage vehicle monitor terminal 2
The video data uploaded；Receive from front-end customer PC terminal 5, the registration of front-end customer mobile terminal 6, dispatch command, and turn
Send to vehicle monitor terminal 2.
The groundwork of present system includes:
1, start vehicle-mounted monitoring system, set up and be connected with the network of Big Dipper differential system 3 and obtain Big Dipper framing signal
Compensate differential data；
2, send vehicle monitor terminal 2 to process the poor location divided data of acquisition, obtain high-precision location information；
3, the module that is respectively sent to this high-precision location information to call out the stops is analyzed processing, and send video encoding module to enter
Row video superimpose, after send to data server through communication module；Other driving states information can also configure according to system
Send to data monitor center 4；
4, vehicle-mounted monitoring system receives the audio frequency and video request instruction that data monitor center 4 issues, and extracts relevant audio frequency and video
Data Concurrent delivers to data monitor center 4；
5, vehicle-mounted monitoring system receives the dispatch command that data monitor center 4 issues, and broadcasts after scheduled resume module
Report processes；
6, data monitor center 4 receives the registration from vehicle monitor terminal 2；What forwarding vehicle monitor terminal 2 was uploaded regards
Frequently, location, driving states information to front end pc client, front end cell-phone customer terminal；Receive from front end pc client, front end hands
The registration of machine client, dispatch command, and it is forwarded to vehicle monitor terminal 2.
Vehicle monitor terminal 2 is prefixed the report parameter of 3G/4G module standard when dispatching from the factory, user can also use LCD to show
Display screen arranges dialing parameters.After vehicle monitor terminal 2 powers on, system automatically selects corresponding module according to hardware configuration and adds
Carry.
As shown in Figure 4, the vehicle-mounted monitoring method based on BEI-DOU position system that the present invention proposes comprises the following steps:
Step S1, after vehicle monitor terminal 2 powers on, system is according to configuration determination network access mode, poor with the Big Dipper respectively
Subsystem 3 and data monitor center 4 are set up network and are connected；
Step S2, registers to Big Dipper differential system 3, sets up data transmission relations, and sends a rough coordinates；To data
Surveillance center 4 registers, and sets up data transmission relations；
Step S3, starts vehicle monitor terminal 2, it may be judged whether exist and effectively position data, if existing, receives the Big Dipper
Location information, if without, continue monitoring；
Step S4, synchronize Big Dipper differential system 3 data, and obtain the Big Dipper check the mark system send poor location divided data；
Step S5, it is modified by the poor location divided data location data that vehicle monitor terminal 2 is received received, it is thus achieved that
Revised high-precision fixed bit data, and this high-precision fixed bit data is sent to data monitor center 4；
Step S6, it is judged that whether current location meets requirement of calling out the stops, and broadcasts if then high-precision fixed bit data being carried out website
Report.
In step S4, after Big Dipper differential system 3 receives the rough coordinates positional information that vehicle monitor terminal 2 sends, by counting
Calculation machine automatically selects optimal one group fixed reference website 32, the information sent according to these websites, global revision big-dipper satellite
The orbit error of alignment system；The error that ionosphere, troposphere and atmospheric refraction cause, and high-precision differential data is sent
To vehicle monitor terminal 2.
The method that the present invention proposes can also include step S7, receives the control instruction that data center issues, it may be judged whether
For dispatch command, if then this dispatch command being reported.
The method that the present invention proposes can also include step S8, it is judged that if whether driving states changes then will change shape
State data send to data monitor center 4.
The vehicle positioning system built based on Beidou satellite navigation system that the present invention proposes, accesses convenient, location data
Through differential data correction, there is higher precision, efficiently avoid and misrepresent deliberately and report by mistake.
Above in conjunction with accompanying drawing, the present invention is exemplarily described, it is clear that the present invention implements not by aforesaid way
Restriction, as long as have employed the method design of the present invention and the improvement of various unsubstantialities that technical scheme is carried out, or without changing
Enter and design and the technical scheme of the present invention are directly applied to other occasion, all within protection scope of the present invention.
Claims (10)
1. vehicle-mounted monitoring apparatus, the vehicle monitor terminal that vehicle is installed is provided with and the communication module of Big Dipper positioning satellite communication,
It is characterized in that: described communication module communicates with Big Dipper differential system, described Big Dipper differential system includes satellite monitoring center
With least one set fixed reference website, the differential server communication that described fixed reference website is centrally disposed with satellite monitoring, institute
State differential server go out poor location divided data according to the positional information calculation of fixed reference website and vehicle monitor terminal and send
To vehicle monitor terminal.
Vehicle-mounted monitoring apparatus the most according to claim 1, it is characterised in that: described vehicle monitor terminal includes:
Correcting module: for receiving the poor location divided data that BEI-DOU position system sends the satellite that vehicle-mounted monitoring center is received
Location data compensate and correct；
Call out the stops module: be connected with external microphone, be used for reporting monitoring information；
Scheduler module: for receiving the dispatch command that data server issues, and by telegraph tractator station's module after the process of this dispatch command
Process；
Coding module: the video data of location data with vehicle-mounted reception for the Big Dipper positions terminal reception carries out video superimpose
Process, in order to during synchronized playback, can accurately show the trace information of vehicle；
Memorizer: be used for storing data message.
Vehicle-mounted monitoring apparatus the most according to claim 2, it is characterised in that: described vehicle monitor terminal is circumscribed with for broadcasting
Report schedule information, site information and with Surveillance center call microphone, for gathering the photographic head of video image, for showing video
And the display of associated vehicle status information.
Vehicle-mounted monitoring apparatus the most according to claim 3, it is characterised in that: described communication module is led to data monitor center
Letter, described communication module includes dial-up connection module and wifi module.
Vehicle-mounted monitoring apparatus the most according to claim 4, it is characterised in that: described data monitor center forwards vehicle-mounted monitoring
The video of terminal, location, driving states information to front-end customer PC terminal and front-end customer mobile terminal.
6. a pure electronic light card, it is characterised in that: it is provided with vehicle-mounted monitoring as described in claim 1-5 in described pure electronic light card
Device.
7. monitoring method based on electronic light card pure described in claim 6, it is characterised in that:
Step S1, after vehicle monitor terminal powers on, system is according to configuration determination network access mode, respectively with Big Dipper differential system
Set up network with data monitor center to connect；
Step S2, registers to Big Dipper differential system, sets up data transmission relations, and send a rough coordinates, to data monitoring
Center is registered, and sets up data transmission relations；
Step S3, starts vehicle monitor terminal, it may be judged whether exist and effectively position data, if existing, receives Big Dipper location letter
Breath, if without, continue monitoring；
Step S4, synchronize Big Dipper differential system data, and obtain the Big Dipper check the mark system send poor location divided data；
Step S5, it is modified by the poor location divided data location data that vehicle monitor terminal is received received, it is thus achieved that correction
After high-precision fixed bit data, and by this high-precision fixed bit data send to data monitor center；
Step S6, it is judged that whether current location meets requirement of calling out the stops, if then high-precision fixed bit data being carried out website report.
Monitoring method the most according to claim 7, it is characterised in that: in described step S4, Big Dipper differential system receives car
After carrying the rough coordinates positional information that monitor terminal sends, computer automatically select optimal one group fixed reference website, root
The information sent according to these websites, the orbit error of global revision big-dipper satellite alignment system；Ionosphere, troposphere and air folding
Penetrate the error caused, and high-precision differential data is sent to vehicle monitor terminal.
9. according to the monitoring method described in claim 7 or 8, it is characterised in that: also include step S7, receive data center and issue
Control instruction, it may be judged whether for dispatch command, if then this dispatch command being reported.
Monitoring method the most according to claim 9, it is characterised in that: also include step S8, it is judged that whether driving states becomes
Then variable condition data are sent to data monitor center if changing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610765836.XA CN106297370A (en) | 2016-08-30 | 2016-08-30 | Vehicle-mounted monitoring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610765836.XA CN106297370A (en) | 2016-08-30 | 2016-08-30 | Vehicle-mounted monitoring apparatus |
Publications (1)
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|---|---|
| CN106297370A true CN106297370A (en) | 2017-01-04 |
Family
ID=57675696
Family Applications (1)
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|---|---|---|---|
| CN201610765836.XA Pending CN106297370A (en) | 2016-08-30 | 2016-08-30 | Vehicle-mounted monitoring apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109375246A (en) * | 2018-12-18 | 2019-02-22 | 成都国星通信有限公司 | A kind of high-accuracy position system applied to rail traffic |
| CN110611634A (en) * | 2018-06-14 | 2019-12-24 | 上海海加网络科技有限公司 | Sighting telescope correction calculation method based on Beidou data |
| CN111196233A (en) * | 2018-11-19 | 2020-05-26 | 现代自动车株式会社 | System and method for detecting vehicle lane keeping performance |
| CN111781620A (en) * | 2020-06-30 | 2020-10-16 | 湖北北斗梦创信息技术有限公司 | Beidou positioning system and method for two-passenger one-dangerous vehicle |
| CN114312804A (en) * | 2021-12-02 | 2022-04-12 | 浙江时空道宇科技有限公司 | Vehicle information acquisition method and system, storage medium and vehicle |
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Application publication date: 20170104 |