CN104394233A - Multifunctional commercial vehicle-mounted cloud service information terminal - Google Patents
Multifunctional commercial vehicle-mounted cloud service information terminal Download PDFInfo
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- CN104394233A CN104394233A CN201410755835.8A CN201410755835A CN104394233A CN 104394233 A CN104394233 A CN 104394233A CN 201410755835 A CN201410755835 A CN 201410755835A CN 104394233 A CN104394233 A CN 104394233A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3822—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving specially adapted for use in vehicles
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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
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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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- 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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Abstract
The invention relates to a multifunctional commercial vehicle-mounted cloud service information terminal which comprises a main control unit, a power supply processing unit, a signal detection unit, a communication positioning unit, an interface unit, a Bluetooth/WIFI communication unit and a man-machine interaction unit, wherein the power supply processing unit, the signal detection unit, the communication positioning unit, the interface unit, the Bluetooth/WIFI communication unit and the man-machine interaction unit are connected with the main control unit respectively; the power supply processing unit can provide various voltage grades and is capable of providing power for different modules or equipment and controlling whether the power is supplied to the different modules or equipment in different time periods or not so as to save the power to the maximum extent. According to the terminal, various selectable voltage sources are provided and the power can be saved; the local data transmission capability is good and the interaction experience is outstanding.
Description
Technical field
The present invention relates to a kind of board information terminal, be specifically related to the vehicle-mounted cloud service information terminal of a kind of Multifunctional commercial.
Background technology
Existing board information terminal is mainly divided into two large classes by function, and a class is to fill navigator after passenger car, and master is orientated in the another kind of monitoring with commercial car as.The navigation amusement equipment of passenger car have the functions such as video playback, document process and game, the monitoring positioning product of commercial car mainly uses its monitoring positioning function, is widely used on the commercial operation vehicles such as taxi, long-distance passenger transportation, fire fighting truck, police car, ambulance, Tour Bus.
Riding vehicle mounted guidance amusement equipment have the abundant function such as music, navigation, and the interface of automobile itself is comparatively simple, easy for installation, and Whole Equipment deflection amusement function, good experience can be provided for user; But this kind equipment is not good enough for electrical stability, and voltage source rank deficient enriches, and cannot meet vehicle-mounted 7*24 hour and electric pressure selects few instructions for use in addition.Comparatively speaking, the car-mounted terminal of commercial vehicle proposes high requirement to power supply supply, the electric pressure that will adapt to plurality of devices is on the one hand selected, on the other hand also will saves energy as much as possible, to extend the electricity consumption up time of terminal and other portable equipments, this series products also proposes certain requirement to the stability of Power supply; In addition, existing commercial on-vehicle information terminal experience and dull alternately, in addition, except simple monitoring function and collection vehicle service data, this series products is comparatively short of in man-machine interaction.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, there is provided a kind of Multifunctional commercial vehicle-mounted cloud service information terminal, this terminal overcomes alternative poor, the uncontrollable saves energy of existing commercial on-vehicle information end voltage and ignores the problem that man-machine Consumer's Experience and use sense be subject to.
The present invention adopts following technical scheme for achieving the above object: the cloud service information terminal that a kind of commercial car is special, this terminal comprises main control unit, automobile power source processing unit, vehicle signal detecting unit, communication positioning unit, interface unit, bluetooth/WIFI communication unit, man-machine interaction unit, and described power supply processing unit, detecting signal unit, communication positioning unit, interface unit, bluetooth/WIFI communication unit, man-machine interaction unit are connected with main control unit respectively.
Intelligent embedded OS in this terminal main control unit is Android system, has good opening and compatibility for making terminal system.This terminal uses wireless communication technology and remote management center to contact, by the machine and remote cloud server co-controlling vehicle, to ensure safety traffic, by integrated vehicle interface, the information such as continuous collecting vehicle position information, real-time fuel consumption data, speed, acceleration, require to be uploaded to remote management center in real time according to remote management center, the mode of uploading can be set by remote management center.Remote management center also can issue described terminal needing the information issued, and described terminal carries out showing and reminding according to the attribute of information.Described terminal itself is integrated with the Wireless Telecom Equipment such as bluetooth, WIFI, in order to carry out exchanges data with vehicle intelligent accessory.This terminal support expansion external memory storage, and read data from external memory storage.Described terminal has a standby battery, terminal main control unit is made to keep the electricity of non-stop run in 7*24 hour with the positioning unit that communicates for storing, to accept control command that remote management center sends in the 7*24 after vehicle stops working hour at any time and to start this terminal.
Wherein, the method for described remote server and local cloud service information terminal co-controlling vehicle safety is: the 1) running status of Real-Time Monitoring vehicle and positional information, and the data monitored are sent to remote server by communication network; 2) when monitoring vehicle and being in improper running status, remote server produces an emergency alarm, and issues the instruction of Telelock oil circuit to terminal; 3) after terminal receives this instruction, controlled the oil circuit relay of vehicle by corresponding output port, cut off the oil circuit of vehicle, realize car locking function; 4) positional information of vehicle generation abnormal operational conditions and Che Nei image are sent to remote server by terminal; 5) remote management center is according to the vehicle abnormal operational conditions information of remote server storage, determines ensuing vehicle treatment measures.Wherein, described abnormal operational conditions comprises vehicle acceleration seriously excessive, car body is significantly shaken, vehicle brake is malfunctioning, vehicle confirms passenger on stolen, vehicle and driver exists life safety hazard.
Described main control unit has main control chip, such as, select a kind of chip of four core 1.6GHz dominant frequency.Internal memory selection memory capacity is the ROM of RAM and 4G of 2G, support expansion SD card heap(ed) capacity 64G, have integrated circuit built-in audio I 2S (Inter-IC Sound) bus simultaneously, I2C (Inter-IntegratedCircuit) bus, Serial Peripheral Interface (SPI) (SPI), secure digital input the various hardware resource such as output interface (SDI0) and a large amount of GPIO.
Described power supply processing unit has power taking port, fuse, filter, DC/DC converter, transducer one, transducer two, transducer three, described power taking port connects cigar lighter, fuse connects power taking port and filter, filter electrical connection DC/DC converter, transducer one and transducer two are connected in parallel DC/DC converter, and transducer three is connected in series transducer two; Described automobile power source processing unit meets onboard electrical specification completely, utilize this equipment, directly from car cigarette lighter power taking, carry out voltage transitions and filtering process, the transient voltage of 20kV during vehicle launch can be tackled, add the stability of equipment work, the burning voltage that power supply can export more than 20W is after treatment given to external accessories and uses; When vehicle is struck sparks, equipment starts automatically, and when equipment stops working, equipment automatic cut-off power is to protect vehicle accumulator, can by remote center's controlled in wireless from the time interval of stopping working to the power supply of cut-out own.Automobile power source processing unit is when powering on for the first time, and when vehicle power ACC signal is high, whole car-mounted terminal starts power supply.Vehicle power after after filtering, by DC-DC, is reduced to 5V by supply voltage after overcurrent fuse, then by voltage transitions, 5V is changed into 4.2V and 3.3V, and 3.3V changes into 1.8V again.The power supply of various peripheral hardware is all controlled, comprises screen, communication module, locating module, makes a video recording first-class, like this when system hibernates, can reduce the power consumption of system.When supply voltage low pressure, terminal can also cut off self power supply, protection automobile storage battery.
The method of work that described power supply processing unit carries out power supply process is: 1) after automobile starting power supply processing unit from cigar lighter power taking; 2) electric current is through the fuse of power supply processing unit, if fuse is without exception, then power taking is normal, and this electric current flows into filter; 3) described filter carries out strict filtering to this power taking electric current, by bulky capacitor filtering low frequency signal, by small capacitances filtering high-frequency signal, described bulky capacitor at least differs 10 times with the capacitance of small capacitances, and such as the application is preferably the bulky capacitor of 22 μ F and the small capacitances of 0.1 μ F; 4) strict filtered electric current inputs to DC/DC electric pressure converter and carries out the first voltage transitions, and described first voltage transitions is the voltage of 5V by the voltage transformation of cigar lighter; 5) the 5V voltage after the first voltage transitions is inputed to transducer one simultaneously and transducer two carries out the second voltage transitions, described second voltage transitions is to be 4.2V voltage by 5V voltage transitions by transducer one and to be 3.3V voltage by transducer two by 5V voltage transitions; 6) the 3.3V voltage that transducer two exports inputs to transducer three and carries out tertiary voltage conversion, and described tertiary voltage conversion is 1.8V voltage by transducer three by 3.3V voltage transitions.
When terminal main control unit detects that the corresponding units of terminal inner is in resting state, then control the supply path that power supply processing unit turns off corresponding units.When main control unit receives the instruction of corresponding units needs power supply, then control to restore electricity to the supply path of corresponding units.
The input object of described vehicle signal detecting unit comprises switching signal, analog signal and CAN data three category information, and by the information real-time Transmission of collection to board information terminal, and be uploaded to information described in remote server storage by this board information terminal.Signal and master control are isolated by optocoupler by the detection of switching signal, avoid signal disturbing.The detected object of described switching signal comprises connects vehicle power ACC, left-hand rotation direction indicator lamp, right-hand rotation direction indicator lamp, dipped headlights, high beam, brake, door sideline, front fog lamp, Rear Fog Lamp etc.Analog signal comprises automobile storage battery voltage, backup battery voltage, car locking electric circuit inspection and oil mass detection etc.Described CAN data are the information data that vehicle-mounted each electronic control unit (ECU) gathers and exchanges.
Described terminal is integrated with the total interface of almost vehicle, comprise storage battery and detect interface, video interface, door image edge detection interface, oil consumption detection interface, power supply (ACC) interface connecting automotive department ignition distributor equipment, RS232 communication interface, RS485 communication interface, CAN interface, eight signals input detection GPIO, four export control GPIO, computer standard DB9 mouth, USB interface, SD card interface, itself supports MIC and loudspeaker, also support the external of MIC and loudspeaker simultaneously, support the built-in and external of Beidou antenna.Wherein, described interface unit is USB/UART/SD/CAN interface unit, for connecting various functional module or equipment, terminal hardware design adopts the USB HUB structure of extensive interface, the advantage that USB device has traffic rate fast, have multiple module to use USB interface, WIFI module, 3G communication module and peripheral hardware flash memory etc. all adopt USB interface; UART is mainly used in bluetooth, locating module communication, external camera, the extraction of driving recording data etc., because the place of using is many, to the UART interface wherein adopting multiplex mode, is switched by 74HC126; SDIO interface is mainly used to and flash memory cards (TF) communication, and flash memory cards is used for the data such as storage terminal operating data, system mistake data and video file; CAN interface connects with automobile computer, and obtain the travelling data of vehicle, such as start rotating speed, vehicle trouble code etc., are convenient to vehicle diagnostics.
Described communication positioning unit comprises communication module, GPS/ Big Dipper locating module, Android communication drivers module, described communication module also has communication pattern determining unit and signal transmitting and receiving unit, described communication pattern determining unit is used for selecting suitable communication network according to the signal(l)ing condition of communication network, described communication pattern determining unit is used for when detecting that 4G communication network signal receives normal, determine to adopt 4G communication pattern and remote management center to carry out exchanges data, when detecting that the message transmission rate of 4G communication network is less than the first transmission rate threshold values, determine to adopt 3G communication pattern and remote management center to carry out exchanges data, when detecting that the message transmission rate of 3G communication network is less than the second transmission rate threshold values, determine to adopt 2G communication pattern or note to carry out exchanges data, described signal transmitting and receiving unit is for the monitored instruction that receives remote management center and send over and send the real time data such as position, speed, oil consumption that commercial car mounted terminal gathers.Described GPS/ Big Dipper locating module is used for for terminal and remote management center provide the positional information of vehicle, and for providing positioning function for vehicle.
Should be noted that, described communication positioning unit comprises communication module, GPS/ Big Dipper locating module, Android communication drivers module, described communication module also has communication pattern determining unit and signal transmitting and receiving unit, described communication pattern determining unit is used for selecting also have another kind of form during suitable communication network according to the signal(l)ing condition of communication network, when it detects that 3G communication network signal receives normal, determine to adopt 3G communication pattern and remote management center to carry out exchanges data, when detecting that the message transmission rate of 3G communication network is less than the second transmission rate threshold values, determine to adopt 2G communication pattern or note to carry out exchanges data, described signal transmitting and receiving unit is for the monitored instruction that receives remote management center and send over and send the real time data such as position, speed, oil consumption that commercial car mounted terminal gathers.Described GPS/ Big Dipper locating module is used for for terminal and remote management center provide the positional information of vehicle, and for providing positioning function for vehicle.
Android communication drivers module is connected with communication network for making the android system of terminal.The communication module of native system is adopt WCDMA or TD-SCDMA supporting 4G network TD-LTE or FDD-LTE pattern, 3G network, and the communication module of 2G network G SM, and support high speed downlink packet (HSDPA) network, adopt USB interface and main control unit communication, locating module supports GPS location and Big Dipper location, tracking sensitivity is-160dBm, adopts serial ports and main control unit communication.
Described man-machine interaction unit comprises high definition capacitance touching control display screen, push-button unit, microphone, camera, loud speaker, central processing unit, high definition capacitance touching control display screen, push-button unit, microphone, camera, loud speaker are all electrically connected with central processing unit, described central processing unit is used for control information input, image display and transfer voice, push-button unit has the button facilitating user to carry out manual direct control simultaneously, guarantees to carry out physical control when touch control manner is malfunctioning by button; User, by the interface of touch-control touch-screen, conveniently can realize Voice Navigation, call, video, music and information interaction function, simultaneously can also the sorts of systems parameter of configurating terminal.When vehicle occurs that abnormal operating condition or driver think necessary, can be realized and remote management center real-time voice or video conversation by this terminal, remote management center checks the image information in car by camera, and by loud speaker and/or display screen order command is issued to driver in conjunction with vehicle, road and environmental aspect data or by continuing lock oil circuit, lock door, the form such as brake directly controls vehicle condition, meanwhile, vehicle driver can also check by display screen the information that remote management center transmits.
The high definition capacitance touching control display screen that this terminal carries, is convenient to the mutual of user and remote management center, is also conducive to operation and the experience of third party software.Terminal is operating system based on android operating system, after having carried out a large amount of system optimizations, this equipment is made to be more suitable for being suitable in commercial automotive field, specifically comprise the preferential lifting of 3G/4G communication function, the operations such as telephony feature priority reduction, make equipment within 24 hours, continually can carry out radio communication with remote management center, the automatic choice for use 3G communication network uploading data when 4G abnormal signal, then automatically choice for use 2G or note information upload when 3G abnormal signal, thus guarantee the continuation of information transmission to the full extent.In addition, terminal is provided with audio-visual application software, supports displaying video or audio file.
In addition, this terminal equipment has well compatible and open, supports that user oneself requires according to actual management to develop the application software being applicable to commercial car and using, and can customize style and the form at main interface.Effectively improve the convenience of User Exploitation vehicular applications, thus the kind of horn of plenty and expansion vehicular applications and quantity provide an effective platform, reduce the entry threshold of commercial vehicular applications.
Described bluetooth/WIFI communication unit has bluetooth module and WIFI module, and bluetooth module is connected with main control unit by serial ports, and WIFI module is by USB interface and main control unit communication.Described bluetooth/WIFI communication unit is used for facilitating terminal to carry out local data transfer, comprise other portable electric appts realized in terminal and car by described bluetooth/WIFI communication unit and carry out transfer of data by bluetooth or WIFI, such as automatic Identification mobile phone also carries out bluetooth conversation, or carries out transfer of data etc. with hand-hold electronic equipments such as smart mobile phone, panel computer PAD.
Due to technique scheme, the present invention has following beneficial effect: (1) provides the supply voltage grade of more options, facilitates module or the equipment power-extracting of various electric pressure; (2) can the functional unit of control terminal have a power failure when dormancy, thus saves energy; (3) terminal has outstanding Man machine interaction, can provide effectively and the service of hommization while facilitating remote management center to carry out managing.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the commercialization vehicle-mounted cloud service information terminal overall structure figure of the application
Fig. 2 is main control unit electrical block diagram
Fig. 3 is automobile power source processing unit structural representation
Fig. 4 is the confession electrical schematic of automobile power source processing unit
Fig. 5 is vehicle signal detecting unit structural representation
Fig. 6 is interface unit structural representation
Fig. 7 is communication positioning unit structural representation
Fig. 8 is man-machine interaction unit structural representation
Fig. 9 is bluetooth/WIFI communication unit structural representation
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
Embodiment:
See Fig. 1, the vehicle-mounted cloud service information terminal of a kind of Multifunctional commercial, this terminal comprises main control unit, automobile power source processing unit, vehicle signal detecting unit, communication positioning unit, interface unit, bluetooth/WIFI communication unit, man-machine interaction unit, and described power supply processing unit, detecting signal unit, communication positioning unit, interface unit, bluetooth/WIFI communication unit, man-machine interaction unit are connected with main control unit respectively.
Intelligent embedded OS in this terminal main control unit is Android system, better open and compatible for making terminal system have.This terminal uses wireless communication technology and remote management center to contact, by the machine and remote cloud server co-controlling vehicle, to ensure safety traffic, by integrated vehicle interface, the information such as continuous collecting vehicle position information, real-time fuel consumption data, speed, acceleration, require to be uploaded to remote management center in real time according to remote management center, the mode of uploading can be set by remote management center.Remote management center also can issue described terminal needing the information issued, and described terminal carries out showing and reminding according to the attribute of information.Described terminal itself is integrated with the Wireless Telecom Equipment such as bluetooth, WIFI, in order to carry out exchanges data with vehicle intelligent accessory.This terminal support expansion external memory storage, and read data from external memory storage.Described terminal has a standby battery, the main control unit of terminal is made to keep the electricity of non-stop run in 7*24 hour with the positioning unit that communicates for storing, to accept control command that remote management center sends in the 7*24 after vehicle stops working hour at any time and to start this terminal.
Wherein, the method for described remote server and local cloud service information terminal co-controlling vehicle safety is: the 1) running status of Real-Time Monitoring vehicle and positional information, and the data monitored are sent to remote server by communication network; 2) when monitoring vehicle and being in abnormal operational conditions, remote server produces an emergency alarm, and issues the instruction of Telelock oil circuit to terminal; 3) after terminal receives this instruction, controlled the oil circuit relay of vehicle by corresponding output port, cut off the oil circuit of vehicle, realize car locking function; 4) positional information of vehicle generation abnormal operational conditions and Che Nei image are sent to remote server by terminal; 5) remote management center is according to the vehicle abnormal operational conditions information of remote server storage, determines ensuing vehicle treatment measures.Wherein, described abnormal operational conditions comprises vehicle acceleration seriously excessive, car body is significantly shaken, vehicle brake is malfunctioning, vehicle confirms passenger on stolen, vehicle and driver exists life safety hazard.
See Fig. 2, described main control unit has main control chip, such as, select a kind of chip of four core 1.6GHz dominant frequency.Internal memory selection memory capacity is the ROM of RAM and 4G of 2G, support expansion SD card heap(ed) capacity 64G, have integrated circuit built-in audio I2S (Inter-IC Sound) bus simultaneously, I2C (Inter-Integrated Circuit) bus, Serial Peripheral Interface (SPI) (SPI) secure digital input the various hardware resource such as output interface (SDI0) and a large amount of GPIO.
See Fig. 3, Fig. 4, described power supply processing unit has power taking port, fuse, filter, DC/DC converter, transducer one, transducer two, transducer three, described power taking port connects cigar lighter, fuse connects power taking port and filter, filter electrical connection DC/DC converter, transducer one and transducer two are connected in parallel DC/DC converter, and transducer three is connected in series transducer two; Described automobile power source processing unit meets onboard electrical specification completely, utilize this equipment, directly from car cigarette lighter power taking, carry out voltage transitions and filtering process, the transient voltage of 20kV during vehicle launch can be tackled, add the stability of equipment work, the burning voltage that power supply can export more than 20W is after treatment given to external accessories and uses; When vehicle is struck sparks, equipment starts automatically, and when equipment stops working, equipment automatic cut-off power is to protect vehicle accumulator, can by remote center's controlled in wireless from the time interval of stopping working to the power supply of cut-out own.Automobile power source processing unit is when powering on for the first time, and when vehicle power ACC signal is high, whole car-mounted terminal starts power supply.Vehicle power after after filtering, by DC-DC, is reduced to 5V by supply voltage after overcurrent fuse, then by voltage transitions, 5V is changed into 4.2V and 3.3V, and 3.3V changes into 1.8V again.The power supply of various peripheral hardware is all controlled, comprises screen, communication module, locating module, makes a video recording first-class, like this when system hibernates, can reduce the power consumption of system.When supply voltage low pressure, terminal can also cut off self power supply, protection automobile storage battery.
The method of work that described power supply processing unit carries out power supply process is: 1) after automobile starting power supply processing unit from cigar lighter power taking; 2) electric current is through the fuse of power supply processing unit, if fuse is without exception, then power taking is normal, and this electric current flows into filter; 3) described filter carries out strict filtering to this power taking electric current, by bulky capacitor filtering low frequency signal, by small capacitances filtering high-frequency signal, described bulky capacitor at least differs 10 times with the capacitance of small capacitances, and such as the application is preferably the bulky capacitor of 22 μ F and the small capacitances of 0.1 μ F; 4) strict filtered electric current inputs to DC/DC electric pressure converter and carries out the first voltage transitions, and described first voltage transitions is the voltage of 5V by the voltage transformation of cigar lighter; 5) the 5V voltage after the first voltage transitions is inputed to transducer one simultaneously and transducer two carries out the second voltage transitions, described second voltage transitions is to be 4.2V voltage by 5V voltage transitions by transducer one and to be 3.3V voltage by transducer two by 5V voltage transitions; 6) the 3.3V voltage that transducer two exports inputs to transducer three and carries out tertiary voltage conversion, and described tertiary voltage conversion is 1.8V voltage by transducer three by 3.3V voltage transitions.
When terminal main control unit detects that the corresponding units of terminal inner is in resting state, then control the supply path that power supply processing unit turns off corresponding units.When main control unit receives the instruction of corresponding units needs power supply, then control to restore electricity to the supply path of corresponding units.
See Fig. 5, the input object of described vehicle signal detecting unit comprises switching signal, analog signal and CAN data three category information, and by the information real-time Transmission of collection to board information terminal, and be uploaded to information described in remote server storage by this board information terminal.Signal and master control are isolated by optocoupler by the detection of switching signal, avoid signal disturbing.The detected object of described switching signal comprises connects vehicle power ACC, left-hand rotation direction indicator lamp, right-hand rotation direction indicator lamp, dipped headlights, high beam, brake, door sideline, front fog lamp, Rear Fog Lamp etc.Analog signal comprises automobile storage battery voltage, backup battery voltage, car locking electric circuit inspection and oil mass detection etc.Described CAN data are the information data that vehicle-mounted each electronic control unit (ECU) gathers and exchanges.
See Fig. 6, described terminal is integrated with the total interface of almost vehicle, comprise storage battery and detect interface, video interface, door image edge detection interface, oil consumption detection interface, power supply (ACC) interface connecting automotive department ignition distributor equipment, RS232 communication interface, RS485 communication interface, CAN interface, eight signals input detection GPIO, four export control GPIO, computer standard DB9 mouth, USB interface, SD card interface, itself supports MIC and loudspeaker, also support the external of MIC and loudspeaker simultaneously, support the built-in and external of Beidou antenna.Wherein, described interface unit is USB/UART/SD/CAN interface unit, for connecting various functional module or equipment, terminal hardware design adopts the USB HUB structure of extensive interface, the advantage that USB device has traffic rate fast, have multiple module to use USB interface, WIFI module, 3G communication module and peripheral hardware flash memory etc. all adopt USB interface; UART is mainly used in bluetooth, locating module communication, external camera, the extraction of driving recording data etc., because the place of using is many, to the UART interface wherein adopting multiplex mode, is switched by 74HC126; SDIO interface is mainly used to and flash memory cards (TF) communication, and flash memory cards is used for the data such as storage terminal operating data, system mistake data and video file; CAN interface connects with automobile computer, and obtain the travelling data of vehicle, such as start rotating speed, vehicle trouble code etc., are convenient to vehicle diagnostics.
See Fig. 7, described communication positioning unit comprises communication module, GPS/ Big Dipper locating module, Android communication drivers module, described communication module also has communication pattern determining unit and signal transmitting and receiving unit, described communication pattern determining unit is used for selecting suitable communication network according to the signal(l)ing condition of communication network, described communication pattern determining unit is used for when detecting that 4G communication network signal receives normal, determine to adopt 4G communication pattern and remote management center to carry out exchanges data, when detecting that the message transmission rate of 4G communication network is less than the first transmission rate threshold values, determine to adopt 3G communication pattern and remote management center to carry out exchanges data, when detecting that the message transmission rate of 3G communication network is less than the second transmission rate threshold values, determine to adopt 2G communication pattern or note to carry out exchanges data, described signal transmitting and receiving unit is for the monitored instruction that receives remote management center and send over and send the real time data such as position, speed, oil consumption that commercial car mounted terminal gathers.Described GPS/ Big Dipper locating module is used for for terminal and remote management center provide the positional information of vehicle, and for providing positioning function for vehicle.
Should be noted that, described communication positioning unit comprises communication module, GPS/ Big Dipper locating module, Android communication drivers module, described communication module also has communication pattern determining unit and signal transmitting and receiving unit, described communication pattern determining unit is used for selecting also have another kind of form during suitable communication network according to the signal(l)ing condition of communication network, when it detects that 3G communication network signal receives normal, determine to adopt 3G communication pattern and remote management center to carry out exchanges data, when detecting that the message transmission rate of 3G communication network is less than the second transmission rate threshold values, determine to adopt 2G communication pattern or note to carry out exchanges data, described signal transmitting and receiving unit is for the monitored instruction that receives remote management center and send over and send the real time data such as position, speed, oil consumption that commercial car mounted terminal gathers.Described GPS/ Big Dipper locating module is used for for terminal and remote management center provide the positional information of vehicle, and for providing positioning function for vehicle.
Android communication drivers module is connected with communication network for making the android system of terminal.The communication module of native system is adopt WCDMA or TD-SCDMA supporting 4G network TD-LTE or FDD-LTE pattern, 3G network, and the communication module of 2G network G SM, and support high speed downlink packet (HSDPA) network, adopt USB interface and main control unit communication, locating module supports GPS location and Big Dipper location, tracking sensitivity is-160dBm, adopts serial ports and main control unit communication.
See Fig. 8, described man-machine interaction unit comprises high definition capacitance touching control display screen, push-button unit, microphone, camera, loud speaker, central processing unit, high definition capacitance touching control display screen, push-button unit, microphone, camera, loud speaker are all electrically connected with central processing unit, described central processing unit is used for control information input, image display and transfer voice, push-button unit has the button facilitating user to carry out manual direct control simultaneously, guarantees to carry out physical control when touch control manner is malfunctioning by button; User, by the interface of touch-control touch-screen, conveniently can realize Voice Navigation, call, video, music and information interaction function, simultaneously can also the sorts of systems parameter of configurating terminal.When vehicle occurs that abnormal operating condition or driver think necessary, can be realized and remote management center real-time voice or video conversation by this terminal, remote management center checks the image information in car by camera, and by loud speaker and/or display screen order command is issued to driver in conjunction with vehicle, road and environmental aspect data or by continuing lock oil circuit, lock door, the form such as brake directly controls vehicle condition, meanwhile, vehicle driver can also check by display screen the information that remote management center transmits.
The high definition capacitance touching control display screen that this terminal carries, is convenient to the mutual of user and remote management center, is also conducive to operation and the experience of third party software.Terminal is operating system based on android operating system, after having carried out a large amount of system optimizations, this equipment is made to be more suitable for being suitable in commercial automotive field, specifically comprise the preferential lifting of 3G/4G communication function, the operations such as telephony feature priority reduction, make equipment within 24 hours, continually can carry out radio communication with remote management center, the automatic choice for use 3G communication network uploading data when 4G abnormal signal, then automatically choice for use 2G or note information upload when 3G abnormal signal, thus guarantee the continuation of information transmission to the full extent.In addition, terminal is provided with audio-visual application software, supports displaying video or audio file.
In addition, this terminal equipment has well compatible and open, supports that user oneself requires according to actual management to develop the application software being applicable to commercial car and using, and can customize style and the form at main interface.Effectively improve the convenience of User Exploitation vehicular applications, thus the kind of horn of plenty and expansion vehicular applications and quantity provide an effective platform, reduce the entry threshold of commercial vehicular applications.
See Fig. 9, described bluetooth/WIFI communication unit has bluetooth module and WIFI module, and bluetooth module is connected with main control unit by serial ports, and WIFI module is by USB interface and main control unit communication.Described bluetooth/WIFI communication unit is used for facilitating terminal to carry out local data transfer, comprise other portable electric appts realized in terminal and car by described bluetooth/WIFI communication unit and carry out transfer of data by bluetooth or WIFI, such as automatic Identification mobile phone also carries out bluetooth conversation, or carries out transfer of data etc. with hand-hold electronic equipments such as smart mobile phone, panel computer PAD.
Above disclosedly be only a kind of preferred embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (10)
1. the vehicle-mounted cloud service information terminal of Multifunctional commercial, this terminal comprises main control unit, power supply processing unit, detecting signal unit, communication positioning unit, interface unit, bluetooth/WIFI communication unit, man-machine interaction unit, described power supply processing unit, detecting signal unit, communication positioning unit, interface unit, bluetooth/WIFI communication unit, man-machine interaction unit is connected with main control unit respectively, it is characterized in that, described power supply processing unit has power taking port, fuse, filter, DC/DC converter, transducer one, transducer two, transducer three, described power taking port connects fuse, fuse connects filter, filter electrical connection DC/DC converter, transducer one and transducer two are connected in parallel DC/DC converter, transducer three is connected in series transducer two.
2. the vehicle-mounted cloud service information terminal of Multifunctional commercial according to claim 1, it is characterized in that, described power supply processing unit is directly from car cigarette lighter power taking, then carry out filtering process and voltage transitions, power supply exports the burning voltage of more than 20W and is given to module in terminal and/or external accessories uses after treatment.
3. the vehicle-mounted cloud service information terminal of Multifunctional commercial according to claim 2, it is characterized in that, when vehicle is struck sparks, terminal starts automatically, after vehicle is flame-out, terminal automatic cut-off power is to save vehicle accumulator electricity, and from stopping working to cutting off, the power supply of unit supplies or stops time interval of power supply of whole power supply processing unit by remote management center controlled in wireless.
4. the vehicle-mounted cloud service information terminal of Multifunctional commercial according to claim 3, it is characterized in that, described power supply processing unit carries out the Power convert of multi-voltage grade, comprising generation electric pressure is the voltage source of 5V, 4.2V, 3.3V, 1.8V, is respectively used to power to different modules and/or external accessories.
5. the vehicle-mounted cloud service information terminal of Multifunctional commercial according to claim 1, is characterized in that, the method for work that described power supply processing unit carries out power supply process is:
1) after automobile starting power supply processing unit from cigar lighter power taking;
2) electric current is through the fuse of power supply processing unit, if fuse is without exception, then power taking is normal, and this electric current flows into filter;
3) described filter carries out strict filtering to this electric current, and by bulky capacitor filtering low frequency signal, by small capacitances filtering high-frequency signal, described bulky capacitor at least differs 10 times with the capacitance of small capacitances;
4) strict filtered electric current inputs to DC/DC electric pressure converter and carries out the first voltage transitions, and described first voltage transitions is the voltage of 5V by the voltage transformation of cigar lighter;
5) the 5V voltage after the first voltage transitions is inputed to transducer one simultaneously and transducer two carries out the second voltage transitions, described second voltage transitions is to be 4.2V voltage by 5V voltage transitions by transducer one and to be 3.3V voltage by transducer two by 5V voltage transitions;
6) the 3.3V voltage that transducer two exports inputs to transducer three and carries out tertiary voltage conversion, and described tertiary voltage conversion is 1.8V voltage by transducer three by 3.3V voltage transitions.
6. the vehicle-mounted cloud service information terminal of Multifunctional commercial according to claim 5, is characterized in that, when the main control unit of terminal detects that certain unit of terminal inner is in resting state, then controls the supply path that power supply processing unit turns off corresponding units; When main control unit receives the instruction of corresponding units needs power supply, then control to restore electricity to the supply path of corresponding units.
7. the vehicle-mounted cloud service information terminal of Multifunctional commercial according to claim 6, it is characterized in that, described terminal has standby battery, the main control unit of terminal is made to keep the electricity of non-stop run in 7*24 hour with the positioning unit that communicates for storing, to accept control command that remote management center sends in the 7*24 after vehicle stops working hour and to start this terminal.
8. the vehicle-mounted cloud service information terminal of the Multifunctional commercial according to any one of claim 1-7, is characterized in that, described bluetooth/WIFI communication unit is used for facilitating terminal to carry out local data transfer, and it comprises bluetooth module, WIFI module; Other portable electric appts realized in terminal and car by described bluetooth/WIFI communication unit carry out transfer of data by bluetooth or WIFI; Described bluetooth/WIFI communication unit is used for facilitating terminal to carry out local data transfer, comprise other portable electric appts realized in terminal and car by described bluetooth/WIFI communication unit and carry out transfer of data by bluetooth or WIFI, automatic Identification mobile phone also carries out bluetooth conversation.
9. the vehicle-mounted cloud service information terminal of Multifunctional commercial according to claim 8, it is characterized in that, described man-machine interaction unit comprises high definition capacitance touching control display screen, push-button unit, microphone, camera, loud speaker, central processing unit, high definition capacitance touching control display screen, push-button unit, microphone, camera, loud speaker is all electrically connected with central processing unit, described central processing unit is used for control information input, image display and transfer voice, push-button unit has the button facilitating user to carry out manual direct control simultaneously, for carrying out physical control when touch control manner is malfunctioning by button, user, by the interface of touch-control touch-screen, conveniently can realize Voice Navigation, call, video, music and information interaction function, simultaneously can also the sorts of systems parameter of configurating terminal.
10. the vehicle-mounted cloud service information terminal of Multifunctional commercial according to claim 8, it is characterized in that, intelligent embedded OS in this terminal main control unit is Android system, support the application software that user oneself requires exploitation to be applicable to commercial car to use according to actual management and the style at self-defined main interface and form.
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| CN201410755835.8A CN104394233A (en) | 2014-12-10 | 2014-12-10 | Multifunctional commercial vehicle-mounted cloud service information terminal |
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| CN201410755835.8A CN104394233A (en) | 2014-12-10 | 2014-12-10 | Multifunctional commercial vehicle-mounted cloud service information terminal |
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| CN106657539A (en) * | 2016-07-29 | 2017-05-10 | 杭州多闻信息技术有限公司 | Vehicle-mounted multifunctional operation-free intelligent service device |
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| CN111505680A (en) * | 2020-04-21 | 2020-08-07 | 中国人民解放军陆军勤务学院 | Logistics support vehicle monitoring and commanding system |
| CN118051015A (en) * | 2024-02-19 | 2024-05-17 | 南京英德利汽车有限公司 | Special-purpose vehicle intelligent vehicle-mounted terminal control system based on 5G network |
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| CN106131626A (en) * | 2015-05-08 | 2016-11-16 | 王旭 | Vehicular applications system |
| CN106679679A (en) * | 2015-11-12 | 2017-05-17 | 刘师君 | Projection type vehicle-mounted navigation communication driving assistance system and driving assistance method |
| CN105510841A (en) * | 2015-12-30 | 2016-04-20 | 中国科学院深海科学与工程研究所 | System for online monitoring and managing electric quantity of underwater equipment power supply |
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| CN106657539A (en) * | 2016-07-29 | 2017-05-10 | 杭州多闻信息技术有限公司 | Vehicle-mounted multifunctional operation-free intelligent service device |
| CN106253403A (en) * | 2016-08-27 | 2016-12-21 | 时空链（北京）科技有限公司 | A kind of vehicle-mounted charging equipment and localization method |
| CN106184077A (en) * | 2016-09-09 | 2016-12-07 | 重庆戴普思科技有限公司 | A kind of vehicle data acquisition system based on ANDROID platform |
| CN109739162A (en) * | 2018-12-19 | 2019-05-10 | 广州绿桦环保科技有限公司 | One kind can lease caravan and its control method |
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Application publication date: 20150304 |