CN106443736A - Vehicle management intelligent terminal based on Beidou positioning - Google Patents
Vehicle management intelligent terminal based on Beidou positioning Download PDFInfo
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- CN106443736A CN106443736A CN201611064454.0A CN201611064454A CN106443736A CN 106443736 A CN106443736 A CN 106443736A CN 201611064454 A CN201611064454 A CN 201611064454A CN 106443736 A CN106443736 A CN 106443736A
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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
- G01S19/38—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
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
- B60R25/04—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor
- B60R25/042—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor operating on the fuel supply
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
- B60R25/04—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor
- B60R25/045—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor by limiting or cutting the electrical supply to the propulsion unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
- B60R25/102—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device a signal being sent to a remote location, e.g. a radio signal being transmitted to a police station, a security company or the owner
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/30—Detection related to theft or to other events relevant to anti-theft systems
- B60R25/33—Detection related to theft or to other events relevant to anti-theft systems of global position, e.g. by providing GPS coordinates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a vehicle management intelligent terminal based on Beidou positioning and relates to the technical field of satellite positioning devices. The terminal comprises a positioning module, a base band circuit module, a GSM radio frequency circuit and a power module, wherein power module provides working power for the positioning module, the base band circuit module and the GSM radio frequency circuit; the positioning module is connected with the base band circuit module through a UART interface; the GSM radio frequency circuit is connected with the base band circuit module through a GPIO interface and used for receiving and transmitting a communication signal and transmitting communication information to the base band circuit module for processing; the base band circuit module has data interaction with a server through a SMS or GPRS manner and transmits processed data to the server. The intelligent terminal can perform comprehensive management on vehicles and is convenient to use.
Description
Technical field
The present invention relates to satellite positioning device technical field, more particularly, to a kind of vehicle management intelligence based on Big Dipper positioning
Terminal.
Background technology
With the modernization of gps satellite, promote the development of vehicle dispatch system although GPS is especially suitable for combining each
Field and network, but there is also some shortcomings, and such as equipment complexity is high, it is many to be internally integrated module and feature, complicated
Specificity is not strong, more due to being the restriction of external secrecy technology and the copyright in the lower China Electronics's cartographic information storehouse of national security protection
Impact, this technology can not possibly be entirely applied to the electronic navigation industry of China by China.
GSM signal used by existing intelligence system be weaker signal it is easy to be interfered, lead to communication not smooth,
Loss of data.The performance of GSM antenna directly affects the transmission power of GSM simultaneously, and typically all transmission power is low, in GSM base
In the case that station does not cover position, GSM signal is weaker, can terminating machine easily go offline, and antenna performance decline leads to be easy to be subject to
To interference.Satellite-signal is also weaker than GSM signal, the performance of antenna performance decision DVB, the receiving sensitivity of antenna,
Determine the weak signal that receiver can receive, also just determine the precision of position, the too weak track leading to map denotation of signal
Figure is imperfect or has deviation.
The onboard navigation system of China 90% uses global positioning system (the Global Position of the U.S. at present
System, GPS), this is a defect for basic strategy.On June 16th, 2016, Information Office of the State Council delivers《China
Beidou satellite navigation system》White paper, proposes the target of dipper system：The Big Dipper of China, the Big Dipper in the world.Beidou satellite navigation
System is that China is conceived to national security and socio-economic development needs, autonomous construction, the satellite navigation system of independent operating, is
Round-the-clock, round-the-clock, high-precision positioning, navigation and time service service national important space basis is provided to set for Global Subscriber
Apply.The foundation of Beidou satellite navigation system, has filled up the blank in field of satellite navigation for the China, has striven for Satellite Navigation Technique
Initiative, has broken away from the dependency to external satellite navigation key technology, has also built in Chinese society economic development and national defense and military
If on play very important effect.China pays much attention to dipper system construction, dipper system is classified as national science and technology great
Special project, supports national innovation and development strategy. and in terms of civil area, Beidou satellite navigation system has huge market potential and makes
With being worth.
Constantly lifted in automobile amount with China, the demand of automobile related service is also continuously increased, and vehicle management system must
To there is the very big market space.The advanced foreign technology of domestic introduction is also impossible to be entirely applied to China's electronic navigation product at present
Industry, its main cause is the restriction of external secrecy technology and the copyright in the lower China Electronics's cartographic information storehouse of national security protection.I
Car networking project is classified as the project of giving priority to by state, a series of high imply that than the data increasing, vehicle-mounted the Internet huge
Potentiality, will lead the new round propensity to consume.
For current vehicle management intelligent terminal, the market demand and application are only at starting stage, big-dipper satellite
It is impossible to accomplish organically to circulate completely with intelligent vehicle mounted terminal system, this is internet works software, hard for the development and application of alignment system
The problem of part production firm headache the most, there is presently no and find best solution.Therefore, the Big Dipper proposed by the present invention+
The car networking intelligent terminal of GSM/GPRS achieves the slitless connection of car and the Internet and people, has obtained production firm, vehicle-mounted system
System software developer and telecom operators consistent approval.The vehicle management intelligent terminal of design utilizes big-dipper satellite to position, right
Enterprises and institutions' vehicle carries out positioning, the antitheft and management such as monitors, dispatches, and product is widely used in enterprises and institutions, public transit trade, thing
Stream transport, etc. need vehicle in use is carried out with the entity and individual of remote monitoring and scheduling.Vehicle management based on big-dipper satellite
The overall application of system intelligent terminal, will greatly reduce vehicle accident generation, to social security, economic results in society and structure
Immeasurable effect is equally played by the harmonious society that founds a capital, and will bring revolutionary industrial upgrading and industry technology lifting.Simultaneously
Also the operation cost of traffic functional department, Ge great insurance company will be reduced, significantly mitigate the operation to social hidden trouble of traffic for the government
Put into.
Content of the invention
The technical problem to be solved is to provide a kind of vehicle management intelligent terminal based on Big Dipper positioning, described
Intelligent terminal can carry out comprehensive management to vehicle, easy to use.
For solving above-mentioned technical problem, the technical solution used in the present invention is：A kind of vehicle pipe based on Big Dipper positioning
Reason intelligent terminal it is characterised in that：Including locating module, baseband circuit blocks, GSM radio circuit and power module, described
Power module is locating module, baseband circuit blocks, GSM radio circuit provide working power；Described locating module and described base
Connected by UART interface between band circuit module, locating module utilizes satellite antenna to receive satellite-signal, and satellite-signal
It is decoded into NMEA protocol data, NMEA protocol data is delivered in baseband chip by serial communication, and baseband circuit blocks are to data
The detailed parsing of Duan Jinhang, obtains position and other related data information, then information is transmitted, thus realize position can
Visual function；It is connected by GPIO interface between GSM radio circuit and described baseband circuit blocks, for receiving and sending communication letter
Number and the communication information transmitted processed to baseband circuit blocks；Between baseband circuit blocks and server pass through SMS or
GPRS mode carries out data interaction, by the data transfer after processing to server.
Further technical scheme is：Described baseband circuit blocks include:Micro controller unit subsystem：Including
The risc processor of ARM7EJ-STM and its adjoint memory management and interrupt handling logic；Digital signal processor subsystem：
Including the internal memory of digital signal processor and its correlation, Memory Controller Hub and interrupt control unit；Microcontroller/Digital Signal Processing
Device interface：The hardware circuit of junction microcontroller and digital signal processor and software information；Microcontroller ancillary equipment：Bag
Include all Subscriber Interface Module SIMs and radio frequency control interface module；Microcontroller coprocessor：The process of execution intensive operations replaces
Microcontroller；DSP ancillary equipment：Hardware accelerator GSM/GPRS/EDGE-Rx channel codec device；IP multimedia subsystem, IMS：Integrated
Several advanced accelerators are supporting multimedia application；Acoustic front-end：Data path conversion is from digital speech and simulation speech；Sound
Frequency front end：Data path changes the audio-source of stereo audio；Baseband front-end：Data path converts digital signals into and simulates
The radio-frequency module of signal；Timing pulse generator：Produce control signal relevant with the tdma frame time；Electric power, reset and clock
System：Inside management authority, reset and clock distribution MT6260；Bluetooth subsystem：Including a flush bonding processor and embedded
Formula ram system, baseband processor, and high performance broadcast；Power Management Unit：Independent current source also controls charging and system start-up
Circuit.
Further technical scheme is：Described locating module adopts UBX-M8030-kt.
Further technical scheme is：Described power module includes lithium battery and supply convertor, described lithium battery
Outfan is connected with the input of described supply convertor, and the outfan of described supply convertor is the power supply of described power module
Outfan.
Further technical scheme is：It is provided with GIS map module and application system mould in described baseband circuit blocks
Block；The data that described GIS map module is used for providing geography information for application system module supports the map exhibition with user interface
Show；Described application system module is used for realizing dispatch management related application logic.
Further technical scheme is：Described application system module includes mode of operation administrative unit, ACC detection list
Unit, relay control unit, command interpretation unit, communication unit, Big Dipper positioning unit, remote upgrade administrative unit, debugging are single
Unit, test cell；Described mode of operation administrative unit, is the module to be controlled by a TIMER intervalometer, for being responsible for rationally
Control the opening and closing of BDS, rationally control the time interval that server is delivered on positional information；ACC detector unit, is connected to
On the ACC line of automobile, for detecting automotive ignition, flameout state；Relay control unit, for realizing the switch to relay
Control, realize the on-off control to automobile circuit and oil circuit；Communication unit：For realizing the association of the communication between equipment server
View, all agreements between management equipment and server and error handling processing, and process the various states and server protocol between；Survey
Examination unit：Concordance for detection terminal；Debugging unit, for carrying out remote tracing to terminal, and equipment appearance is great
Reporting an error during mistake；Remote upgrade administrative unit：For enabling the terminals to realize remote upgrade；Command interpretation unit：For pin
Explanation to long-range SMS order, realizes the remotely control to equipment and remote status are inquired about；Big Dipper positioning unit:For managing
Positioning, collection, and the suppression of positioning drift.
Further technical scheme is：The method of work of described mode of operation administrative unit is as follows：
TIMER initializes described mode of operation administrative unit by external command after being changed；
Judge whether TIMER is 0, if 0, then close BDS, setting mode of operation is " shut " mode"；If not being 0,
Then setting mode of operation is normal mode, or setting mode of operation is energy-saving mode；
If setting mode of operation is normal mode, judge whether timing is equal to TIMER setting value, if waited
In then upload location information, to server, if be not equal to, continues waiting for；
If setting mode of operation is energy-saving mode, judge whether timing is equal to TIMER setting value, if waited
In, then open BDS and obtain coordinate position, upload onto the server, closing BDS, if be not equal to, wait.
Further technical scheme is：When high level is detected, automobile is in igniting shape to described ACC detector unit
State, when low level is detected, automobile is in flameout state.
Further technical scheme is：Described relay control unit sends the commands to opening of control relay by car owner
And pass, car owner needs the phone number of oneself to be set to central number, the Control instruction that only central number sends,
Intelligent terminal just can explain and execute.
Further technical scheme is：The communication mode of described communication unit has the communication of SMS messaging and the logical of GPRS
Letter, wherein SMS messaging communicates and is used for realizing user's remote setting device parameter, the function of query facility state；GPRS communication is used
Data interaction between realization and server, send including on positional information, and the issuing of server instruction data, GPRS
Communication be one and set up SOCKET with server and link, keep SOCKET link, data receiver and the process sending.
Have the beneficial effects that using produced by technique scheme：Described Vehicular intelligent management terminal possesses monitor in real time
Function, track playback function, automotive ignition detection function, long-range oil-break electricity and remote alarming function, fence and real-time position
Put query function, warning function, position defined function, use car management function, mileage statistical function and vehicles operation statistical function.
Can be by the display to vehicle location, speed and details being completed to selected vehicle it is possible to utilize track to vehicle
Travel conditions understood.Vehicle can be implemented with oil-break electric control, control parking when there being illegal invasion, and be stopped
And report to the police.User can be labeled it is possible to share to other people to some special roads or place by position definition.User
Information of vehicles is uploaded to relevant department by data management and is stored, and user again may be by with car management, vehicle being carried out
Inquiry, realizes real Vehicular intelligent management.
Brief description
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the theory diagram of intelligent terminal described in the embodiment of the present invention；
Fig. 2 is the theory diagram of intelligent terminal system in the embodiment of the present invention；
Fig. 3 is the theory diagram of baseband circuit blocks described in the embodiment of the present invention；
Fig. 4 is the theory diagram of locating module described in the embodiment of the present invention；
Fig. 5 is the theory diagram of application system module described in the embodiment of the present invention；
Fig. 6 is the workflow diagram of mode of operation administrative unit in the embodiment of the present invention；
Fig. 7 is the workflow diagram of ACC detector unit in the embodiment of the present invention；
Fig. 8 is the workflow diagram of embodiment of the present invention repeat circuit control unit；
Fig. 9 is the workflow diagram of command resolution unit in the embodiment of the present invention；
Figure 10 is the workflow diagram of Big Dipper positioning unit in the embodiment of the present invention；
Figure 11 is the workflow diagram of communication unit in the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Elaborate a lot of details in the following description in order to fully understand the present invention, but the present invention is acceptable
To be implemented different from alternate manner described here using other, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
As shown in figure 1, the embodiment of the invention discloses a kind of vehicle management intelligent terminal based on Big Dipper positioning, including fixed
Position module, baseband circuit blocks, GSM radio circuit and power module.Described power module is locating module, baseband circuit mould
Block, GSM radio circuit provide working power；Between described locating module and described baseband circuit blocks by UART interface even
Connect, locating module utilizes satellite antenna to receive satellite-signal, and satellite-signal is decoded into NMEA protocol data, NMEA agreement number
According to delivering in baseband chip by serial communication, baseband circuit blocks carry out detailed parsing to data segment, obtain position and its
Its related data information, then information is transmitted, thus realizing position visual function；GSM radio circuit and described base band electricity
Connected by GPIO interface between the module of road, for receiving and sending signal of communication and transmit the communication information to baseband circuit mould
Block is processed；Between baseband circuit blocks and server, data interaction is carried out by SMS or GPRS mode, by the number after processing
According to transmitting to server.
Intelligent terminal is arranged in vehicle, completes vehicle-state and position, speed, the collection in direction, and passes through channel radio
Letter module carries out real-time Data Transmission.Intelligent terminal obtains Big Dipper satellite signal by antenna, and locating module is satellite-signal solution
Code becomes the data of NMEA agreement to give baseband circuit process, and baseband circuit and server carry out data by SMS or GPRS mode
Interaction.Intelligent terminal is mainly made up of communication module and locating module, and communication module is by baseband circuit and GSM radio circuit group
Become, mainly car phone is completed by AT instruction and PDU pattern sends the function of Chinese short message breath；Big Dipper locating module completes
Big Dipper agreement is transmitted positioning application and receives location information and the exclusion to positioning level of noise.
Vehicle management system is to be built based on described intelligent terminal, enterprise's vehicle is carried out position using satellite fix,
Antitheft and management a set of software and hardware integrated information system such as monitor, dispatch.Intelligent terminal：It is arranged in haulage vehicle, complete
The collection of vehicle-state and position, speed, the collection in direction.And real-time Data Transmission is carried out by wireless communication module.GIS ground
Figure：The data providing geography information for application system is supported and the map of user interface is shown.Application system module：Realize fortune
Defeated management and running related application logical sum management function, including terminal access, vehicle management, remote alarm, position enquiring, scheduling
Management, traveling alarm calculating etc., this system framework figure is as shown in Figure 2.
Described baseband circuit blocks use MT6261D, and MT6261D can run the processor of RISC, and substantial amounts of data passes
Defeated, high-performance DMA (direct memory access (DMA)) is controlled with hardware flow, realizes substantially increasing data transmission bauds, reduces simultaneously
Single-chip microcomputer processes load.MT6261D is integrated with a mixed signal baseband front end, to provide tissue good for effectively wireless
The motility customization of electrical interface, its theory diagram is as shown in Figure 3.
MT6261D is included as lower unit：Micro controller unit (single-chip microcomputer) subsystem：At the RISC of ARM7EJ-STM
Reason device and its adjoint memory management and interrupt handling logic；Digital signal processor subsystem：Including digital signal processor
And its internal memory of correlation, Memory Controller Hub and interrupt control unit；Microcontroller/digital signal processor interface：Junction micro-control
The hardware circuit of device processed and digital signal processor and software information；Microcontroller ancillary equipment：Including all user interface moulds
Block and radio frequency control interface module；Microcontroller coprocessor：The process of execution intensive operations replaces microcontroller；DSP periphery
Equipment：Hardware accelerator GSM/GPRS/EDGE-Rx channel codec device；IP multimedia subsystem, IMS：It is integrated with several advanced accelerators
To support multimedia application；Acoustic front-end：Data path conversion is from digital speech and simulation speech；Audio front end：Data path
The audio-source of conversion stereo audio；Baseband front-end：Data path converts digital signals into the radio-frequency module with analogue signal；
Timing pulse generator：Produce control signal relevant with the tdma frame time；Electric power, reset and Clock Subsystem：Management authority, multiple
Inside position and clock distribution MT6260；Bluetooth subsystem：Including a flush bonding processor and embedded ram system, at base band
Reason device, and high performance broadcast；Power Management Unit：Independent current source also controls charging and system start-up circuit.
Big Dipper locating module adopts UBX-M8030-kt, and it has stronger weak signal capture ability and shorter determining first
The position time, the correlator signal parameter search engine of base band internal proprietary quickly can capture usable satellite, and can receive
To weak signal, advanced tracking engine can under rugged environment (such as：Indoor, valley) small-signal is tracked with
Positioning.Its theory diagram is as shown in Figure 4.
Power module design：The input voltage range of intelligent terminal is 3.4V to 4.5V it is recommended that voltage is 4.0V.Intelligence is eventually
The burst of end communication module transmitting can lead to Voltage Drop, and at this moment the peak value highest of electric current can reach 2A.Therefore, the power supply of power supply
Stream ability can not be less than 2A.Radio-frequency power amplifier near intelligent terminal uses a bulky capacitor voltage stabilizing, generally uses 100 μ
The ceramic condenser of F tantalum electric capacity (low ESR) and a 1 μ F～10 μ F is in parallel.During PCB layout, electric capacity should as far as possible near intelligence eventually
The power pins of end communication module radio-frequency power amplifier.Intelligent terminal can directly use the lithium ion battery of 3.7V to power supply,
Directly can also be powered using NI-G or nickel manganese cell.When using a battery, between the VBAT pin of intelligent terminal and battery
Impedance should be less than 150m Ω.The present invention adopts a synchronous altofrequency step-down rectifier switch type power supply converter
MP9942.
It is provided with GIS map module and application system module in described baseband circuit blocks；Described GIS map module is used for
The data providing geography information for application system module is supported and the map of user interface is shown；Described application system module is used for
Realize dispatch management related application logic.Application system module is divided into 9 functional modules, including：Mode of operation management is single
Unit；ACC detector unit；Relay control unit；Command interpretation unit；Communication unit；Big Dipper positioning unit；Remote upgrade manages
Unit；Debugging unit；Test cell.Its system framework figure is as shown in Figure 5.
Mode of operation administrative unit, is the module to be controlled by a TIMER intervalometer, is the groundwork of intelligent terminal
Content.It is responsible for rationally controlling the opening and closing of BDS, rationally controls the time interval delivering to server on positional information, from
And reach optimal working condition, save operating current.ACC detector unit, is connected on the ACC line of automobile, for detecting vapour
Car igniting, flameout state.Relay control unit, is to realize on-off control to relay, thus realize to automobile circuit and
The on-off control of oil circuit, can cut off automobile oil electricity.Communication unit, refers to that the communications protocol between equipment server is realized,
All agreements between management equipment and server and error handling processing, and process the various states and server protocol between.Test
Unit, for the concordance of testing equipment, allows each go out the operation that plant can be reliable, stable.Debugging unit, can be right
Equipment carries out remote tracing, and reporting an error during gross mistake in equipment, facilitates problem to find, and carries out equipment to equipment
Safeguard.Remote upgrade administrative unit, for making equipment maintain easily, we are independent application program, make upgradeable portion
Point.Cause the device to realize remote upgrade, be easy to us and maintenance upgrade is carried out to existing plant.Command interpretation unit, is for remote
The explanation of journey SMS order, thus realize the remotely control to equipment and remote status inquiry.Big Dipper positioning unit, is that management is fixed
Position, collection, and the suppression of positioning drift.
Mode of operation administrative unit, refers to the TIMER of system work, the i.e. time cycle of upload location information and control
The work-based logic of Big Dipper locating module processed, is the core of intelligent terminal's work, is to realize device transmission positional information to server
Periodic cycle, be also to realize the fundamental that user inquires about track and enquiring vehicle simultaneously.It is broadly divided into three kinds of modes：
TIMER be less than five minutes, TIMER be more than five minutes, TIMER be equal to 0.The workflow diagram of mode of operation administrative unit such as Fig. 6
Shown.
ACC detector unit, needs to connect the ACC line of automobile, intelligent terminal can detect the state of ACC line, when height is detected
During level, automobile is in fired state, and when low level is detected, automobile is in flameout state.The workflow of ACC detector unit
Figure is as shown in Figure 7.
Relay control unit, this functionality intelligent terminal needs to connect relay, sends the commands to control by car owner and continues
The on an off of electrical equipment, premise is that car owner needs the phone number of oneself to be set to central number, and only central number sends
Control instructs, and intelligent terminal just can explain and execute, and arbitrarily will not be opened relay by other people, thus ensureing to drive a vehicle
Safety, the workflow diagram of relay control unit is as shown in Figure 8：
Command resolution unit, receives the data sent from note or network, and is parsed, and completion statuses are inquired about, ginseng
Number setting, system configuration etc., and return corresponding implementing result, realize the function of man machine interface.The work of command resolution unit
Flow chart is as shown in Figure 9：
Big Dipper positioning unit, CPU is communicated using serial communication protocol with Big Dipper positioning chip, Big Dipper positioning chip handle
The coordinate information collecting passes to CPU master chip, and CPU carries out data explanation to parameters such as coordinates, including explanation coordinate,
Time, course, the content such as positioning star number amount, and stored accordingly.The workflow diagram of Big Dipper positioning unit such as Figure 10 institute
Show：
The communication mode of DCOM unit mainly has the communication of SMS messaging and the communication of GPRS, wherein SMS messaging communication
Master is to realize user's remote setting device parameter, the function of query facility state；GPRS communication be mainly realize with server it
Between data interaction, send including on positional information, and the issuing of server instruction data, the communication of GPRS be one with clothes
SOCKET link set up by business device, keeps SOCKET link, data receiver and the process sending, its workflow such as Figure 11 institute
Show.
System terminal completes hardware initialization and equipment detection first after connecting electrifying startup, when correctly entering owner information
Just start each functional module afterwards and enter normal working condition.Control function is mainly realized to vehicle location, speed and in detail
The display of thin information；Track playback function makes car owner understand the travel conditions of vehicle in a period of time；Automotive ignition detects work(
Can, refer to ignition failure is fast and effectively diagnosed；Long-range oil-break electricity and power alarm part make car owner pass through far
Journey completes the control to vehicle, can complete to report during vehicle illegal invasion in conjunction with fence and real time position query function
Alert function；Warning function refers to the warning function in vehicle travel process to violation operation；Position defined function can allow use
Family place interested in oneself on map is labeled and stores, and can customize road simultaneously and sets and can share to it
He is user；Vehicle document information can be preserved using data management function by user using car management function, by user
Management function is checked, data management module will collect information and is compressed, encodes etc. processing.Data is compressed and deposits
Storage, and the condition depending on communication network carries out in real time or delay sends.The control information that vehicle administration office's base supervising platform is received is carried out
Decoding process, controls intelligent terminal's parameter or calls synthetic display module display information.And the wireless data based on GPRS network
Send and receive function, the GPRS network being provided using operator, the Various types of data of terminal storage is sent to the service specified
Device, receives specific control information and text message from server simultaneously, realizes the intelligent management of vehicle.
Claims (10)
1. a kind of vehicle management intelligent terminal based on Big Dipper positioning it is characterised in that：Including locating module, baseband circuit mould
Block, GSM radio circuit and power module, described power module is locating module, baseband circuit blocks, GSM radio circuit carry
For working power；It is connected by UART interface between described locating module and described baseband circuit blocks, locating module is using defending
Star antenna receives satellite-signal, and satellite-signal is decoded into NMEA protocol data, and NMEA protocol data is sent by serial communication
To in baseband chip, baseband circuit blocks carry out detailed parsing to data segment, obtain position and other related data information, then
Information is transmitted, thus realizing position visual function；Pass through GPIO between GSM radio circuit and described baseband circuit blocks
Interface connects, and is processed to baseband circuit blocks for receiving and sending signal of communication transmit the communication information；Base band electricity
Between road module and server, data interaction is carried out by SMS or GPRS mode, by the data transfer after processing to server.
2. the vehicle management intelligent terminal based on Big Dipper positioning as claimed in claim 1 is it is characterised in that described baseband circuit
Module includes:
Micro controller unit subsystem：Risc processor including ARM7EJ-STM and its adjoint memory management and interrupt processing
Logic；Digital signal processor subsystem：Including the internal memory of digital signal processor and its correlation, Memory Controller Hub and interruption are controlled
Device processed；Microcontroller/digital signal processor interface：The hardware circuit of junction microcontroller and digital signal processor and soft
Part information；Microcontroller ancillary equipment：Including all Subscriber Interface Module SIMs and radio frequency control interface module；Microcontroller association is processed
Device：The process of execution intensive operations replaces microcontroller；DSP ancillary equipment：Hardware accelerator GSM/GPRS/EDGE-Rx passage
Codec；IP multimedia subsystem, IMS：Several advanced accelerators integrated are supporting multimedia application；Acoustic front-end：Data path
Conversion is from digital speech and simulation speech；Audio front end：Data path changes the audio-source of stereo audio；Baseband front-end：Number
Convert digital signals into the radio-frequency module with analogue signal according to path；Timing pulse generator：Produce control signal and TDMA
Frame time is relevant；Electric power, reset and Clock Subsystem：Inside management authority, reset and clock distribution MT6260；Bluetooth subsystem
System：Including a flush bonding processor and embedded ram system, baseband processor, and high performance broadcast；Power management list
Unit：Independent current source also controls charging and system start-up circuit.
3. the vehicle management intelligent terminal based on Big Dipper positioning as claimed in claim 1 it is characterised in that：Described locating module
Using UBX-M8030-kt.
4. the vehicle management intelligent terminal based on Big Dipper positioning as claimed in claim 1 it is characterised in that：Described power module
Including lithium battery and supply convertor, the outfan of described lithium battery is connected with the input of described supply convertor, described electricity
The outfan of source converter is the power output end of described power module.
5. the vehicle management intelligent terminal based on Big Dipper positioning as claimed in claim 1 it is characterised in that：Described baseband circuit
It is provided with GIS map module and application system module in module；Described GIS map module is used for providing ground for application system module
The data of reason information is supported and the map of user interface is shown；Described application system module is used for realizing dispatch management correlation
Application logic.
6. the vehicle management intelligent terminal based on Big Dipper positioning as claimed in claim 5 it is characterised in that：Described application system
Module includes mode of operation administrative unit, ACC detector unit, relay control unit, command interpretation unit, communication unit, north
Bucket positioning unit, remote upgrade administrative unit, debugging unit, test cell；Described mode of operation administrative unit, is by one
TIMER intervalometer, come the module to control, for being responsible for rationally controlling the opening and closing of BDS, rationally controls and send on positional information
Time interval to server；ACC detector unit, is connected on the ACC line of automobile, for detecting automotive ignition, flameout state；
Relay control unit, for realizing the on-off control to relay, realizes the on-off control to automobile circuit and oil circuit；Communication
Unit：For realizing the communications protocol between equipment server, all agreements between management equipment and server with go out fault
Reason, and process the various states and server protocol between；Test cell：Concordance for detection terminal；Debugging unit, uses
In carrying out remote tracing to terminal, and reporting an error during gross mistake in equipment；Remote upgrade administrative unit：For making terminal
It is capable of remote upgrade；Command interpretation unit：For the explanation for long-range SMS order, realize the remotely control to equipment
With remote status inquiry；Big Dipper positioning unit:For management positioning, collection, and the suppression of positioning drift.
7. the vehicle management intelligent terminal based on Big Dipper positioning as claimed in claim 6 it is characterised in that：Described mode of operation
The method of work of administrative unit is as follows：
TIMER initializes described mode of operation administrative unit by external command after being changed；
Judge whether TIMER is 0, if 0, then close BDS, setting mode of operation is " shut " mode"；If not being 0, set
Putting mode of operation is normal mode, or setting mode of operation is energy-saving mode；
If setting mode of operation is normal mode, judge whether timing is equal to TIMER setting value, if equal to, then
Upload location information is to server, if be not equal to, continues waiting for；
If setting mode of operation is energy-saving mode, judge whether timing is equal to TIMER setting value, if equal to, then
Open BDS and obtain coordinate position, upload onto the server, closing BDS, if be not equal to, waiting.
8. the vehicle management intelligent terminal based on Big Dipper positioning as claimed in claim 6 it is characterised in that：Described ACC detection
When high level is detected, automobile is in fired state to unit, and when low level is detected, automobile is in flameout state.
9. the vehicle management intelligent terminal based on Big Dipper positioning as claimed in claim 6 it is characterised in that：Described relay control
Unit processed sends the commands to the on an off of control relay by car owner, and car owner needs centered on the phone number setting of oneself number
The Control instruction that code, only central number send, intelligent terminal just can explain and execute.
10. the vehicle management intelligent terminal based on Big Dipper positioning as claimed in claim 6 it is characterised in that：Described communication unit
The communication mode of unit has the communication of SMS messaging and the communication of GPRS, and wherein SMS messaging communicates and is used for realizing user's remote setting setting
Standby parameter, the function of query facility state；GPRS communicates for the data interaction between realization and server, including positional information
On give, and the issuing of server instruction data, the communication of GPRS is one and sets up SOCKET with server and link, and keeps
SOCKET links, a process of data receiver and transmission.
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| CN201611064454.0A CN106443736B (en) | 2016-11-28 | 2016-11-28 | Vehicle management intelligent terminal based on big dipper location |
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| CN201611064454.0A CN106443736B (en) | 2016-11-28 | 2016-11-28 | Vehicle management intelligent terminal based on big dipper location |
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