CN104640239B - A kind of user can customize the vehicle-carrying communication multimedia equipment at interface - Google Patents
A kind of user can customize the vehicle-carrying communication multimedia equipment at interface Download PDFInfo
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- CN104640239B CN104640239B CN201510097274.1A CN201510097274A CN104640239B CN 104640239 B CN104640239 B CN 104640239B CN 201510097274 A CN201510097274 A CN 201510097274A CN 104640239 B CN104640239 B CN 104640239B
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Abstract
The present invention relates to the vehicle-carrying communication multimedia equipment that a kind of user can customize interface, which includes main control unit, power supply processing unit, detecting signal unit, communication positioning unit, interface unit, bluetooth/WIFI communication units, man-machine interaction unit；The power supply processing unit can provide multiple voltage grade, can provide electric power for different module or equipment, and can control disparate modules or equipment whether power supply in different time periods；Especially, the equipment also sets up interface custom block, it is used for the selection according to driver, and so as to control the screen work of multimedia equipment, in different UI interface formats, the present invention provides the voltage source of more options and can save power supply, and has outstanding man-machine interaction experience.
Description
Technical field
The present invention relates to a kind of vehicle-carrying communication multimedia equipment, and in particular to a kind of user can customize the vehicle-mounted logical of interface
Believe multimedia equipment.
Background technology
Existing on-vehicle information multimedia equipment is broadly divided into two major classes by function, and one kind is set with filling navigation after passenger car
Based on standby, based on the another kind of monitoring positioning with commercial car.The navigation amusement equipment of passenger car have video playing, document process
Mainly monitor positioning function using its with function, the monitoring positioning products of commercial car such as game, be widely used in taxi,
On the commercial operation vehicle such as long-distance passenger transportation, fire fighting truck, police car, ambulance, Tour Bus.
Existing commercial car vehicle-carrying communication multimedia equipment proposes high requirement to power supply supply, on the one hand to adapt to more
The voltage class selection of kind equipment, on the other hand will also save electric energy as much as possible, portable with other to extend multimedia equipment
The electricity consumption up time of equipment, such product also propose certain requirement to the stability of power supply power supply；It is in addition, existing
Commercial on-vehicle information multimedia equipment human-computer interaction function is not good enough, and the inflexible doctrine in UI interfaces, style is single, and it is tired easily to produce vision
Labor, and can not meet a Sexual behavior mode of driver, it is impossible to comfortable human-computer interaction is provided for driver, it is even more impossible to be driver
Driving procedure visual enjoyment and alarm function are provided, so as to further improve the safe for operation of vehicle.
The content of the invention
The vehicle-carrying communication that can customize interface in view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of user is more
Media device, the multimedia equipment overcome existing commercial on-vehicle information multimedia equipment voltage it is alternative it is poor, can not control
The problems such as system saves electric energy and ignores man-machine user experience and use feeling, vehicle is safe for operation.
Adopted the following technical scheme that to reach the above-mentioned purpose present invention：The vehicle-carrying communication that a kind of user can customize interface is more
Media device, the multimedia equipment include main control unit, power supply processing unit, detecting signal unit, communication positioning unit, interface
Unit, bluetooth/WIFI communication units, man-machine interaction unit, the power supply processing unit, detecting signal unit, communication positioning are single
Member, interface unit, bluetooth/WIFI communication units, man-machine interaction unit are connected with main control unit respectively, it is characterised in that described
Power supply processing unit, which has, takes electric port, fuse, wave filter, DC/DC converters, converter one, converter two, converter
Three, it is described to take electric port connection fuse, fuse connection wave filter, wave filter electrical connection DC/DC converters, one He of converter
Converter two is connected in parallel DC/DC converters, and converter three is connected in series converter two；And the multimedia equipment is also set up
There is the interface custom block being connected with main control unit, the interface custom block, which is set, to be manually selected unit and automatically select
Unit, wherein, manually select unit be used for for driver according to oneself hobby select multimedia equipment screen operator UI circle
The form in face, automatic selected cell are used to set screen to grasp according to the remote cloud server or the instruction of main control unit received
Make UI interface formats.
The construction quality for manually selecting unit is the lowest class, which includes screen display for the option of driver's selection
Theme, screen background, font size, font type, font color, language manipulation pattern, prompt tone type.
The language manipulation pattern for manually selecting unit includes Chinese operator scheme and English operator scheme, the Chinese
Operator scheme includes simplified form of Chinese Character operator scheme and Chinese-traditional operator scheme.
The prompt tone type for manually selecting unit includes mandarin prompt tone pattern, Guangdong language prompt tone pattern, Shanghai
Talk about prompt tone pattern, Sichuan words prompt tone pattern, Shandong words prompt tone pattern, Henan words prompt tone pattern, Shaanxi words prompt tone
It is any in pattern, Hunan words prompt tone pattern, English prompts sound pattern.
The construction quality of the automatic selected cell is higher than the construction quality for manually selecting unit, automatic selected cell control
Option include：Screen display theme, screen background, font size, font type, font color, language manipulation pattern, prompting
Sound type；Wherein when automatic selected cell receives the instruction of main control unit issue, its construction quality is middle-and-high-ranking, is automatically selected
Its construction quality is the superlative degree when unit receives the instruction of remote cloud server issue.
The instruction of the main control unit issue is when main control unit monitors car speed higher than the First Speed set
Make, automatic selected cell controls that screen background is yellow and prompt tone pattern switching is male voice at this time.
The instruction of the remote cloud server issue received is higher than when remote cloud server receives car speed
Made instruction during the second speed of setting, it is red and prompt tone pattern that automatic selected cell, which controls screen background, at this time
Switch to male voice.
The bluetooth/WIFI communication units are used to facilitate multimedia equipment to carry out local data transfer, it includes bluetooth mould
Block, WIFI module；Multimedia equipment and other in-car portable electric appts are realized by the bluetooth/WIFI communication units
Carried out data transmission by bluetooth or WIFI；The bluetooth/WIFI communication units are used to facilitate multimedia equipment to carry out local number
Multimedia equipment and other in-car portable electric appts are realized according to transmission, including by the bluetooth/WIFI communication units
Carried out data transmission by bluetooth or WIFI, it is automatic to recognize mobile phone and carry out bluetooth conversation.
The man-machine interaction unit include high definition capacitance touching control display screen, push-button unit, microphone, camera, loudspeaker,
Central processing unit, high definition capacitance touching control display screen, push-button unit, microphone, camera, loudspeaker are electrically connected with central processing unit
Connect, the central processing unit is used to control information input, image display and voice transmission, while push-button unit and has facilitate user
The button directly operated manually is carried out, for carrying out physical control by button in the case of touch control manner failure；User is led to
The interface of touch-control touch-screen is crossed, can conveniently realize Voice Navigation, call, video, music and information exchange function, at the same time also
The sorts of systems parameter of multimedia equipment can be configured.
Intelligent embedded OS in the multimedia equipment main control unit is Android system, supports user oneself basis
Actual management requires the application software that exploitation is adapted to commercial car to use.
Wherein, the remote cloud server and the method for vehicle-carrying communication multimedia equipment co- controlling vehicle safety are：1)
The operating status and positional information of monitoring vehicle in real time, and the data monitored are sent to long-range cloud service by communication network
Device；2) when monitoring that vehicle is in improper operating status, remote cloud server produces an emergency alarm, and right
Multimedia equipment issues the instruction of Telelock oil circuit；3) after multimedia equipment receives the instruction, corresponding output port is passed through
The oil circuit relay of vehicle is controlled, the oil circuit of vehicle is cut off, realizes car locking function；4) multimedia equipment vehicle occurs improper
The positional information of operating status and in-car image are sent to remote cloud server；5) remote management center is according to remote cloud server
The vehicle abnormal operational conditions information of storage, determines ensuing vehicle treatment measures.Wherein, the abnormal operational conditions
Significantly shaken including the serious excessive, car body of vehicle acceleration, the confirmation of vehicle brake failure, vehicle is stolen, the passenger on vehicle
There are life safety hazard with driver.
The main control unit has main control chip, such as selects a kind of chip of four core 1.6GHz dominant frequency.Memory selection is deposited
The ROM of RAM and 4G that capacity is 2G are stored up, supports extension SD card maximum capacity 64G, while possess integrated circuit built-in audio I2S
(Inter-IC Sound) bus, I2C (Inter-Integrated Circuit) bus, Serial Peripheral Interface (SPI) (SPI), peace
It is digital input the various hardware resources such as output interface (SDI0) and substantial amounts of GPIO.
The power supply processing unit, which has, takes electric port, fuse, wave filter, DC/DC converters, converter one, conversion
Device two, converter three, described to take electric port connection cigar lighter, fuse connection takes electric port and wave filter, and wave filter is electrically connected
DC/DC converters, converter one and converter two are connected in parallel DC/DC converters, and converter three is connected in series converter two；Institute
State automobile power source processing unit and fully meet onboard electrical specification, using the equipment, directly from vehicle cigarette lighter electricity, carry out electricity
Pressure conversion and filtering process, the transient voltage of 20kV when can tackle vehicle launch, add the stability of equipment work, pass through
After processing power supply can export more than 20W burning voltage be given to external accessories use；The equipment automatic start when vehicle is struck sparks,
When equipment is stopped working, equipment automatically cuts off power supply to protect vehicle accumulator, and from stopping working cut-out, the time interval of power supply itself can be with
By remote center's wireless control.Automobile power source processing unit is whole when vehicle power ACC signals are high in first power on
A vehicle-mounted multimedia equipment starts power supply.Supply voltage after overcurrent fuse after filtered, by DC-DC, by vehicle mounted electric
Source is reduced to 5V, then by voltage conversion, 5V is changed into 4.2V and 3.3V, 3.3V changes into 1.8V again.The power supply of various peripheral hardwares is all
It is controllable, including screen, communication module, locating module, shooting is first-class, so in system dormancy, can reduce the work(of system
Consumption.When supply voltage low pressure, multimedia equipment can also cut off the power supply of itself, protect automobile storage battery.
The method of work that the power supply processing unit carries out power supply processing is：1) after automobile starting power supply processing unit from point
Cigarette device takes electricity；2) electric current passes through the fuse of power supply processing unit, if fuse is without exception, takes electric normal, electric current inflow
Wave filter；3) wave filter takes electric current strictly to be filtered this, filters out low frequency signal by bulky capacitor, passes through small capacitances
High-frequency signal is filtered out, the bulky capacitor at least differs 10 times with the capacitance of small capacitances, such as the application is preferably the big electricity of 22 μ F
Hold the small capacitances with 0.1 μ F；4) stringent filtered electric current, which is inputted to DC/DC electric pressure converters, carries out first voltage conversion, institute
It is voltage by the voltage transformation of cigar lighter into 5V to state first voltage and change；5) it is the transformed 5V voltages of first voltage is defeated at the same time
Enter to converter one and converter two and carry out second voltage conversion, the second voltage conversion is by 5V voltages by converter one
Be converted to 4.2V voltages and be 3.3V voltages by 5V voltage conversions by converter two；6) the 3.3V voltages that converter two exports
Input to converter three carries out tertiary voltage conversion, and the tertiary voltage conversion is to be by 3.3V voltage conversions by converter three
1.8V voltage.
When multimedia equipment main control unit detects corresponding units inside multimedia equipment in a dormant state, then control
The supply path of power supply processing unit shut-off corresponding units processed.The instruction powered is needed when main control unit receives corresponding units
When, then control restores electricity the supply path of corresponding units.
The signal detection object of the vehicle signal detection unit includes switching signal, analog signal and CAN data three
Category information, and give the information real-time Transmission of collection to on-vehicle information multimedia equipment, and by the on-vehicle information multimedia equipment
Reach remote cloud server storage described information.The detection of switching signal is isolated signal with master control by optocoupler, avoids signal
Interference.The detection object of the switching signal includes connecting vehicle power ACC, left-hand rotation steering indicating light, right-hand rotation steering indicating light, dipped beam
Lamp, high beam, brake, door sideline, front fog lamp, Rear Fog Lamp etc..Analog signal includes automobile storage battery voltage, backup battery voltage,
Car locking electric circuit inspection and oil mass detection etc..The CAN data are vehicle-mounted each electronic control unit (ECU) collection and the information exchanged
Data.
The multimedia equipment is integrated with the total interface of almost vehicle, including storage battery detection interface, video interface, Men Bian
Line detection interface, oil consumption detection interface, connect power supply (ACC) interface of automotive department ignition distributor equipment, RS232 communication interfaces,
RS485 communication interfaces, CAN interface, eight signal input detections GPIO, four output control GPIO, computer standard DB9
Mouth, USB interface, SD card interface, itself support MIC and loudspeaker, while also support external, the support Beidou antenna of MIC and loudspeaker
It is built-in and external.Wherein, the interface unit is USB/UART/SD/CAN interface units, for connecting various functions module
Or equipment, multimedia equipment hardware design use the USB HUB structures of extensive interface, USB device has the traffic rate fast
Advantage, has multiple modules to use USB interface, WIFI module, 3G communication modules and peripheral hardware flash memory etc. and uses USB interface；UART
Bluetooth, locating module communication, external camera, the extraction of driving recording data etc. are used primarily in, since the place used is relatively more,
UART interface to wherein using multiplex mode, is switched by 74HC126；SDIO interfaces are mainly used to and flash memory cards
(TF) communicate, flash memory cards are used for storing multimedia equipment operation data, the data such as system mistake data and video file；
CAN interface connects with automobile computer, obtains the travelling data of vehicle, for example starts rotating speed, and vehicle trouble code etc., is examined easy to vehicle
It is disconnected.
The communication positioning unit includes communication module, GPS/ Beidou positioning modules, Android communication drive modules, institute
Stating communication module also has communication pattern determination unit and signal transmitting and receiving unit, and the communication pattern determination unit is used for according to logical
The signal(l)ing condition of communication network selects suitable communication network, and the communication pattern determination unit is used to detect 4G communication networks
When signal receives normal, determine to carry out data exchange using 4G communication patterns and remote management center, when detecting 4G communication networks
When the message transmission rate of network is less than the first transmission rate threshold values, determine to use 3G communication patterns and remote management center into line number
According to exchange, when the message transmission rate for detecting 3G communication networks is less than the second transmission rate threshold values, determine to communicate using 2G
Pattern or short message carry out data exchange；The signal transmitting and receiving unit is used to receive the monitoring instruction that remote management center sends over
The real time datas such as position, speed, oil consumption with the commercial vehicle-mounted multimedia equipment collection of transmission.The GPS/ Beidou positioning modules are used
In the positional information that vehicle is provided for multimedia equipment and remote management center, and for providing positioning function for vehicle.
It should be noted that the communication positioning unit includes communication module, GPS/ Beidou positioning modules, Android and leads to
Believe drive module, the communication module also has communication pattern determination unit and signal transmitting and receiving unit, and the communication pattern determines
Unit is used to select also have another form during suitable communication network according to the signal(l)ing condition of communication network, when it is detected
When 3G communication network signals receive normal, determine to carry out data exchange using 3G communication patterns and remote management center, work as detection
When being less than the second transmission rate threshold values to the message transmission rates of 3G communication networks, determine to carry out using 2G communication patterns or short message
Data exchange；The signal transmitting and receiving unit is for receiving the monitoring instruction and send commercial vehicle-mounted that remote management center sends over
The position of multimedia equipment collection, speed, the real time data such as oil consumption.It is multimedia equipment that the GPS/ Beidou positioning modules, which are used for,
The positional information of vehicle is provided with remote management center, and for providing positioning function for vehicle.
Android communication drive modules are used to make the android system of multimedia equipment be attached with communication network.This
The communication module of system is to use to support 4G network TD-LTE or FDD-LTE pattern, the WCDMA or TD-SCDMA of 3G network, with
And the communication module of 2G network Gs SM, and support high speed downlink packet (HSDPA) network, led to using USB interface and main control unit
News, locating module support GPS positioning and Big Dipper positioning, and tracking sensitivity is -160dBm, is communicated using serial ports and main control unit.
The man-machine interaction unit include high definition capacitance touching control display screen, push-button unit, microphone, camera, loudspeaker,
Central processing unit, high definition capacitance touching control display screen, push-button unit, microphone, camera, loudspeaker are electrically connected with central processing unit
Connect, the central processing unit is used to control information input, image display and voice transmission, while push-button unit and has facilitate user
Carry out the button directly operated manually, it is ensured that physical control is carried out by button in the case of touch control manner failure；User is led to
The interface of touch-control touch-screen is crossed, can conveniently realize Voice Navigation, call, video, music and information exchange function, at the same time also
The sorts of systems parameter of multimedia equipment can be configured.There is abnormal operating condition in vehicle or driver thinks necessary situation
Under, by the multimedia equipment can realize with remote management center real-time voice or video conversation, remote management center by
Camera checks the image information of in-car, and combines vehicle, road and environmental aspect data and pass through loudspeaker and/or display screen pair
Driver issue order command or by lasting lock oil circuit, lock door, the form such as brake directly controls vehicle condition, meanwhile,
Vehicle driver can also check the information that remote management center transmits by display screen.
The high definition capacitance touching control display screen that the multimedia equipment carries, easy to interacting for user and remote management center,
It is also beneficial to the operation and experience of third party software.Multimedia equipment is carried out using android operating systems as basic operating system
After substantial amounts of system optimization so that the equipment is more suitable for being applicable in commercial automotive field, specifically include 3G/4G communication functions
Preferential lifting, telephony feature priority such as reduce at the operation, make equipment can with 24 it is small when continual carried out with remote management center
Wireless communication, automatically selects in 4G abnormal signals and uploads data using 3G communication networks, then selected automatically when 3G abnormal signals
Select and use 2G or short message upload information, so as to ensure the continuation of information transmission to the full extent.In addition, multimedia equipment is installed
There is audio-visual application software, support to play video or audio file.
In addition, the multimedia equipment equipment has compatibility well and opening, support user oneself according to actual pipe
Reason requires the application software that exploitation is adapted to commercial car to use, and can customize the style and form of main interface.Effectively lifted
The convenience of User Exploitation vehicular applications, so as to horn of plenty and expand the type and quantity of vehicular applications and provide one effectively
Platform, reduce the entry thresholds of commercial vehicular applications.
The bluetooth/WIFI communication units have bluetooth module and WIFI module, and bluetooth module passes through serial ports and master control list
Member is connected, and WIFI module is communicated by USB interface and main control unit.The bluetooth/WIFI communication units are used to facilitate multimedia
Equipment carries out local data transfer, including realizes multimedia equipment and in-car other by the bluetooth/WIFI communication units
Portable electric appts are carried out data transmission by bluetooth or WIFI, such as are recognized mobile phone automatically and carried out bluetooth conversation,
Or carry out data transmission with hand-hold electronic equipments such as smart mobile phone, tablet computer PAD.
Due to above-mentioned technical proposal, the invention has the advantages that：(1) the supply voltage grade of more options is provided,
Facilitate the module or equipment power-extracting of various voltage class；(2) functional unit of multimedia equipment can be controlled to have a power failure in dormancy,
So as to save electric energy；(3) multimedia equipment has outstanding Man machine interaction, can allow user-defined interface, convenient remote
Thread management center is capable of providing effective and hommization service while being managed.
Brief description of the drawings
, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical scheme
The attached drawing used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Its attached drawing.
Fig. 1 is the vehicle-carrying communication multimedia equipment overall structure figure that user can customize interface
Fig. 2 is master control element circuit structure diagram
Fig. 3 is automobile power source processing unit structure diagram
Fig. 4 is the electrical schematic of automobile power source processing unit
Fig. 5 is vehicle signal detection unit structure diagram
Fig. 6 is interface unit structure diagram
Fig. 7 is communication positioning unit structure diagram
Fig. 8 is man-machine interaction unit structure diagram
Fig. 9 is bluetooth/WIFI communication unit structure diagrams
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
Embodiment：
Referring to Fig. 1, a kind of user can customize the vehicle-carrying communication multimedia equipment at interface, which includes master control
Unit, power supply processing unit, detecting signal unit, communication positioning unit, interface unit, bluetooth/WIFI communication units, man-machine friendship
Mutual unit, the power supply processing unit, detecting signal unit, communication positioning unit, interface unit, bluetooth/WIFI communication units,
Man-machine interaction unit is connected with main control unit respectively, it is characterised in that the power supply processing unit, which has, takes electric port, fusing
Device, wave filter, DC/DC converters, converter one, converter two, converter three, it is described to take electric port connection fuse, fusing
Device connects wave filter, and wave filter is electrically connected DC/DC converters, and converter one and converter two are connected in parallel DC/DC converters, turns
Parallel operation three is connected in series converter two；And the multimedia equipment is additionally provided with the self-defined mould in the interface being connected with main control unit
Block, the interface custom block set and manually select unit and automatic selected cell, wherein, manually select unit and be used for for driving
The person of sailing selects the form at the screen operator UI interfaces of multimedia equipment according to the hobby of oneself, and automatic selected cell is used for basis and connects
The instruction of received remote cloud server or main control unit sets screen operator UI interface formats.
The construction quality for manually selecting unit is the lowest class, which includes screen display for the option of driver's selection
Theme, screen background, font size, font type, font color, language manipulation pattern, prompt tone type.
The language manipulation pattern for manually selecting unit includes Chinese operator scheme and English operator scheme, the Chinese
Operator scheme includes simplified form of Chinese Character operator scheme and Chinese-traditional operator scheme.
The prompt tone type for manually selecting unit includes mandarin prompt tone pattern, Guangdong language prompt tone pattern, Shanghai
Talk about prompt tone pattern, Sichuan words prompt tone pattern, Shandong words prompt tone pattern, Henan words prompt tone pattern, Shaanxi words prompt tone
It is any in pattern, Hunan words prompt tone pattern, English prompts sound pattern.
The construction quality of the automatic selected cell is higher than the construction quality for manually selecting unit, automatic selected cell control
Option include：Screen display theme, screen background, font size, font type, font color, language manipulation pattern, prompting
Sound type；Wherein when automatic selected cell receives the instruction of main control unit issue, its construction quality is middle-and-high-ranking, is automatically selected
Its construction quality is the superlative degree when unit receives the instruction of remote cloud server issue.
The instruction of the main control unit issue is when main control unit monitors car speed higher than the First Speed set
Make, automatic selected cell controls that screen background is yellow and prompt tone pattern switching is male voice at this time.
The instruction of the remote cloud server issue received is higher than when remote cloud server receives car speed
Made instruction during the second speed of setting, it is red and prompt tone pattern that automatic selected cell, which controls screen background, at this time
Switch to male voice.
The bluetooth/WIFI communication units are used to facilitate multimedia equipment to carry out local data transfer, it includes bluetooth mould
Block, WIFI module；Multimedia equipment and other in-car portable electric appts are realized by the bluetooth/WIFI communication units
Carried out data transmission by bluetooth or WIFI；The bluetooth/WIFI communication units are used to facilitate multimedia equipment to carry out local number
Multimedia equipment and other in-car portable electric appts are realized according to transmission, including by the bluetooth/WIFI communication units
Carried out data transmission by bluetooth or WIFI, it is automatic to recognize mobile phone and carry out bluetooth conversation.
The man-machine interaction unit include high definition capacitance touching control display screen, push-button unit, microphone, camera, loudspeaker,
Central processing unit, high definition capacitance touching control display screen, push-button unit, microphone, camera, loudspeaker are electrically connected with central processing unit
Connect, the central processing unit is used to control information input, image display and voice transmission, while push-button unit and has facilitate user
The button directly operated manually is carried out, for carrying out physical control by button in the case of touch control manner failure；User is led to
The interface of touch-control touch-screen is crossed, can conveniently realize Voice Navigation, call, video, music and information exchange function, at the same time also
The sorts of systems parameter of multimedia equipment can be configured.
Intelligent embedded OS in the multimedia equipment main control unit is Android system, supports user oneself basis
Actual management requires the application software that exploitation is adapted to commercial car to use.
Wherein, the remote cloud server and the method for vehicle-carrying communication multimedia equipment co- controlling vehicle safety are：1)
The operating status and positional information of monitoring vehicle in real time, and the data monitored are sent to long-range cloud service by communication network
Device；2) when monitoring that vehicle is in abnormal operational conditions, remote cloud server produces an emergency alarm, and to more
Media device issues the instruction of Telelock oil circuit；3) after multimedia equipment receives the instruction, corresponding output port control is passed through
The oil circuit relay of vehicle processed, cuts off the oil circuit of vehicle, realizes car locking function；4) improper fortune is occurred for vehicle by multimedia equipment
The positional information of row state and in-car image are sent to remote cloud server；5) remote management center is deposited according to remote cloud server
The vehicle abnormal operational conditions information of storage, determines ensuing vehicle treatment measures.Wherein, the abnormal operational conditions bag
Include that the serious excessive, car body of vehicle acceleration is significantly shaken, vehicle brake failure, vehicle confirm the stolen, passenger on vehicle and
There are life safety hazard by driver.
Referring to Fig. 2, the main control unit has main control chip, such as selects a kind of chip of four core 1.6GHz dominant frequency.It is interior
ROM of the selection memory capacity for the RAM and 4G of 2G is deposited, supports extension SD card maximum capacity 64G, while possess built in integrated circuit
Audio I2S (Inter-IC Sound) bus, I2C (Inter-Integrated Circuit) bus, Serial Peripheral Interface (SPI)
(SPI), secure digital input the various hardware resources such as output interface (SDI0) and substantial amounts of GPIO.
Referring to Fig. 3, Fig. 4, the power supply processing unit have take electric port, fuse, wave filter, DC/DC converters, turn
Parallel operation one, converter two, converter three, described to take electric port connection cigar lighter, fuse connection takes electric port and wave filter, filters
Ripple device is electrically connected DC/DC converters, and converter one and converter two are connected in parallel DC/DC converters, and converter three is connected in series
Converter two；The automobile power source processing unit fully meets onboard electrical specification, using the equipment, directly from car cigarette lighter
Electricity is taken, carries out voltage conversion and filtering process, the transient voltage of 20kV when can tackle vehicle launch, adds equipment work
Stability, after treatment power supply can export more than 20W burning voltage be given to external accessories use；Set when vehicle is struck sparks
Standby automatic start, when equipment is stopped working, equipment automatically cuts off power supply to protect vehicle accumulator, itself power supply from stopping working cut-out
Time interval can be by remote center's wireless control.Automobile power source processing unit is in first power on, when vehicle power ACC believes
Number for it is high when, whole vehicle-mounted multimedia equipment starts power supply.Supply voltage after filtered, passes through DC- after overcurrent fuse
DC, 5V is reduced to by vehicle power supply, then by voltage conversion, 5V is changed into 4.2V and 3.3V, 3.3V changes into 1.8V again.It is various outer
If power supply be all controllable, including screen, communication module, locating module, shooting it is first-class, so in system dormancy, can drop
The power consumption of low system.When supply voltage low pressure, multimedia equipment can also cut off the power supply of itself, protect automobile storage battery.
The method of work that the power supply processing unit carries out power supply processing is：1) after automobile starting power supply processing unit from point
Cigarette device takes electricity；2) electric current passes through the fuse of power supply processing unit, if fuse is without exception, takes electric normal, electric current inflow
Wave filter；3) wave filter takes electric current strictly to be filtered this, filters out low frequency signal by bulky capacitor, passes through small capacitances
High-frequency signal is filtered out, the bulky capacitor at least differs 10 times with the capacitance of small capacitances, such as the application is preferably the big electricity of 22 μ F
Hold the small capacitances with 0.1 μ F；4) stringent filtered electric current, which is inputted to DC/DC electric pressure converters, carries out first voltage conversion, institute
It is voltage by the voltage transformation of cigar lighter into 5V to state first voltage and change；5) it is the transformed 5V voltages of first voltage is defeated at the same time
Enter to converter one and converter two and carry out second voltage conversion, the second voltage conversion is by 5V voltages by converter one
Be converted to 4.2V voltages and be 3.3V voltages by 5V voltage conversions by converter two；6) the 3.3V voltages that converter two exports
Input to converter three carries out tertiary voltage conversion, and the tertiary voltage conversion is to be by 3.3V voltage conversions by converter three
1.8V voltage.
When multimedia equipment main control unit detects corresponding units inside multimedia equipment in a dormant state, then control
The supply path of power supply processing unit shut-off corresponding units processed.The instruction powered is needed when main control unit receives corresponding units
When, then control restores electricity the supply path of corresponding units.
Referring to Fig. 5, the signal detection object of the vehicle signal detection unit include switching signal, analog signal and
Three category information of CAN data, and give the information real-time Transmission of collection to on-vehicle information multimedia equipment, and by the more matchmakers of the on-vehicle information
Body equipment is uploaded to remote cloud server storage described information.The detection of switching signal is isolated signal with master control by optocoupler,
Avoid signal interference.The detection object of the switching signal includes connecting vehicle power ACC, and left-hand rotation steering indicating light, turns right and turn to
Lamp, dipped headlight, high beam, brake, door sideline, front fog lamp, Rear Fog Lamp etc..Analog signal includes automobile storage battery voltage, standby electricity
Cell voltage, car locking electric circuit inspection and oil mass detection etc..The CAN data is vehicle-mounted each electronic control unit (ECU) collections and hand over
The information data changed.
Referring to Fig. 6, the multimedia equipment is integrated with the total interface of almost vehicle, including storage battery detection interface, video
Interface, door image edge detection interface, oil consumption detection interface, power supply (ACC) interface, the RS232 of connection automotive department ignition distributor equipment lead to
Communication interface, RS485 communication interfaces, CAN interface, eight signal input detection GPIO, four output control GPIO, computer mark
DB9 mouthfuls quasi-, USB interface, SD card interface, itself support MIC and loudspeaker, while also support external, the support Big Dipper of MIC and loudspeaker
Antenna it is built-in and external.Wherein, the interface unit is USB/UART/SD/CAN interface units, for connecting various functions
Module or equipment, multimedia equipment hardware design use the USB HUB structures of extensive interface, and USB device has traffic rate
The advantages of fast, have multiple modules to use USB interface, WIFI module, 3G communication modules and peripheral hardware flash memory etc. and use USB interface；
UART is used primarily in bluetooth, locating module communication, external camera, the extraction of driving recording data etc., due to the local ratio used
More, the UART interface to wherein using multiplex mode, is switched by 74HC126；SDIO interfaces are mainly used to and flash memory
Reservoir card (TF) communicates, and flash memory cards are used for storing multimedia equipment operation data, system mistake data and video file
Etc. data；CAN interface connects with automobile computer, obtains the travelling data of vehicle, for example starts rotating speed, vehicle trouble code etc., just
In vehicle diagnostics.
Referring to Fig. 7, the communication positioning unit includes communication module, GPS/ Beidou positioning modules, Android communication drivings
Module, the communication module also have communication pattern determination unit and signal transmitting and receiving unit, and the communication pattern determination unit is used
In selecting suitable communication network according to the signal(l)ing condition of communication network, the communication pattern determination unit is used to detect 4G
When communication network signal receives normal, determine to carry out data exchange using 4G communication patterns and remote management center, when detecting
When the message transmission rate of 4G communication networks is less than the first transmission rate threshold values, determine using in 3G communication patterns and remote management
The heart carries out data exchange, when the message transmission rate for detecting 3G communication networks is less than the second transmission rate threshold values, determines to adopt
Data exchange is carried out with 2G communication patterns or short message；The signal transmitting and receiving unit is used to receive what remote management center sended over
The real time datas such as the position of monitoring instruction and the commercial vehicle-mounted multimedia equipment collection of transmission, speed, oil consumption.The GPS/ Big Dippeves are determined
Position module is used to provide the positional information of vehicle for multimedia equipment and remote management center, and positions work(for being provided for vehicle
Energy.
It should be noted that the communication positioning unit includes communication module, GPS/ Beidou positioning modules, Android and leads to
Believe drive module, the communication module also has communication pattern determination unit and signal transmitting and receiving unit, and the communication pattern determines
Unit is used to select also have another form during suitable communication network according to the signal(l)ing condition of communication network, when it is detected
When 3G communication network signals receive normal, determine to carry out data exchange using 3G communication patterns and remote management center, work as detection
When being less than the second transmission rate threshold values to the message transmission rates of 3G communication networks, determine to carry out using 2G communication patterns or short message
Data exchange；The signal transmitting and receiving unit is for receiving the monitoring instruction and send commercial vehicle-mounted that remote management center sends over
The position of multimedia equipment collection, speed, the real time data such as oil consumption.It is multimedia equipment that the GPS/ Beidou positioning modules, which are used for,
The positional information of vehicle is provided with remote management center, and for providing positioning function for vehicle.
Android communication drive modules are used to make the android system of multimedia equipment be attached with communication network.This
The communication module of system is to use to support 4G network TD-LTE or FDD-LTE pattern, the WCDMA or TD-SCDMA of 3G network, with
And the communication module of 2G network Gs SM, and support high speed downlink packet (HSDPA) network, led to using USB interface and main control unit
News, locating module support GPS positioning and Big Dipper positioning, and tracking sensitivity is -160dBm, is communicated using serial ports and main control unit.
Referring to Fig. 8, the man-machine interaction unit includes high definition capacitance touching control display screen, push-button unit, microphone, shooting
Head, loudspeaker, central processing unit, high definition capacitance touching control display screen, push-button unit, microphone, camera, loudspeaker with center
Processor is electrically connected, and the central processing unit is used for control information input, image display and voice transmission, while push-button unit has
Have and facilitate user to carry out the button directly operated manually, it is ensured that physics control is carried out by button in the case of touch control manner failure
System；User can conveniently realize Voice Navigation, call, video, music and information exchange work(by the interface of touch-control touch-screen
Can, while the sorts of systems parameter of multimedia equipment can also be configured.There is abnormal operating condition in vehicle or driver thinks
If necessary, can be realized and remote management center real-time voice or video conversation, long-range pipe by the multimedia equipment
The image information of in-car is checked at reason center by camera, and combine vehicle, road and environmental aspect data by loudspeaker and/
Or display screen driver is issued order command or by lasting lock oil circuit, lock door, the form such as brake directly controls vehicle
Situation, meanwhile, vehicle driver can also check the information that remote management center transmits by display screen.
The high definition capacitance touching control display screen that the multimedia equipment carries, easy to interacting for user and remote management center,
It is also beneficial to the operation and experience of third party software.Multimedia equipment is carried out using android operating systems as basic operating system
After substantial amounts of system optimization so that the equipment is more suitable for being applicable in commercial automotive field, specifically include 3G/4G communication functions
Preferential lifting, telephony feature priority such as reduce at the operation, make equipment can with 24 it is small when continual carried out with remote management center
Wireless communication, automatically selects in 4G abnormal signals and uploads data using 3G communication networks, then selected automatically when 3G abnormal signals
Select and use 2G or short message upload information, so as to ensure the continuation of information transmission to the full extent.In addition, multimedia equipment is installed
There is audio-visual application software, support to play video or audio file.
In addition, the multimedia equipment equipment has compatibility well and opening, support user oneself according to actual pipe
Reason requires the application software that exploitation is adapted to commercial car to use, and can customize the style and form of main interface.Effectively lifted
The convenience of User Exploitation vehicular applications, so as to horn of plenty and expand the type and quantity of vehicular applications and provide one effectively
Platform, reduce the entry thresholds of commercial vehicular applications.
Referring to Fig. 9, the bluetooth/WIFI communication units have bluetooth module and WIFI module, and bluetooth module passes through serial ports
It is connected with main control unit, WIFI module is communicated by USB interface and main control unit.The bluetooth/WIFI communication units are used for side
Just multimedia equipment carries out local data transfer, including realizes multimedia equipment and car by the bluetooth/WIFI communication units
Other interior portable electric appts are carried out data transmission by bluetooth or WIFI, such as are recognized mobile phone automatically and carried out indigo plant
Tooth is conversed, or carries out data transmission with hand-hold electronic equipments such as smart mobile phone, tablet computer PAD.
Above disclosed is only a kind of preferred embodiment of the present invention, cannot limit the present invention's with this certainly
Interest field, therefore equivalent variations made according to the claims of the present invention, are still within the scope of the present invention.
Claims (8)
1. a kind of user can customize the vehicle-carrying communication multimedia equipment at interface, the multimedia equipment includes main control unit, electricity
Source processing unit, detecting signal unit, communication positioning unit, interface unit, bluetooth/WIFI communication units, man-machine interaction unit,
The power supply processing unit, detecting signal unit, communication positioning unit, interface unit, bluetooth/WIFI communication units, man-machine friendship
Mutual unit is connected with main control unit respectively, it is characterised in that the power supply processing unit, which has, takes electric port, fuse, filtering
Device, DC/DC converters, converter one, converter two, converter three, it is described to take electric port connection fuse, fuse connection filter
Ripple device, wave filter are electrically connected DC/DC converters, and converter one and converter two are connected in parallel DC/DC converters, and converter three is gone here and there
Connection connection converter two；And the multimedia equipment is additionally provided with the interface custom block being connected with main control unit, the boundary
Face custom block sets and manually selects unit and automatic selected cell, wherein, the unit that manually selects is used to supply driver
According to the form at the screen operator UI interfaces of the hobby selection multimedia equipment of oneself, its construction quality is lowermost level；It is described from
Dynamic selecting unit is used to set screen operator UI interfaces lattice according to the remote cloud server or the instruction of main control unit received
Formula, the construction quality of the automatic selected cell is higher than the construction quality for manually selecting unit, wherein described automatically select
Its construction quality is middle-and-high-ranking when unit receives the instruction of main control unit issue, and the instruction of the main control unit issue is to work as master control
What unit was made when monitoring car speed higher than the First Speed set, automatic selected cell controls screen background as Huang at this time
Color and prompt tone pattern switching are male voice；It is controlled when the automatic selected cell receives the instruction of remote cloud server issue
Grade is the superlative degree, and the instruction of the remote cloud server issue received is when remote cloud server receives car speed
Higher than setting second speed when made instruction, automatic selected cell screen background is red and prompt tone pattern at this time
Switch to male voice.
2. user according to claim 1 can customize the vehicle-carrying communication multimedia equipment at interface, it is characterised in that described
The option that unit is manually selected for driver's selection includes screen display theme, screen background, font size, font type, word
Body color, language manipulation pattern, prompt tone type.
3. user according to claim 2 can customize the vehicle-carrying communication multimedia equipment at interface, it is characterised in that described
Manually selecting the language manipulation pattern of unit includes Chinese operator scheme and English operator scheme, and the Chinese operator scheme includes
Simplified form of Chinese Character operator scheme and Chinese-traditional operator scheme.
4. user according to claim 3 can customize the vehicle-carrying communication multimedia equipment at interface, it is characterised in that described
Manually select unit prompt tone type include mandarin prompt tone pattern, Guangdong language prompt tone pattern, Shanghai native language prompt tone pattern,
Sichuan words prompt tone pattern, Shandong words prompt tone pattern, Henan words prompt tone pattern, Shaanxi words prompt tone pattern, Hunan words carry
Show sound pattern, English prompts sound pattern.
5. user according to claim 1 can customize the vehicle-carrying communication multimedia equipment at interface, it is characterised in that described
The option of automatic selected cell control includes：Screen display theme, screen background, font size, font type, font color,
Language manipulation pattern, prompt tone type.
6. user according to claim 5 can customize the vehicle-carrying communication multimedia equipment at interface, it is characterised in that described
Bluetooth/WIFI communication units are used to facilitate multimedia equipment to carry out local data transfer, it includes bluetooth module, WIFI module；
By the bluetooth/WIFI communication units realize multimedia equipment and other in-car portable electric appts by bluetooth or
WIFI carries out data transmission；The bluetooth/WIFI communication units are used to facilitate multimedia equipment to carry out local data transfer, including
By the bluetooth/WIFI communication units realize multimedia equipment and other in-car portable electric appts by bluetooth or
WIFI carries out data transmission, automatic to recognize mobile phone and carry out bluetooth conversation.
7. user according to claim 6 can customize the vehicle-carrying communication multimedia equipment at interface, it is characterised in that described
Man-machine interaction unit includes high definition capacitance touching control display screen, push-button unit, microphone, camera, loudspeaker, central processing unit,
High definition capacitance touching control display screen, push-button unit, microphone, camera, loudspeaker are electrically connected with central processing unit, the center
Processor is used for control information input, image display and voice transmission, while push-button unit is straight manually with facilitating user to carry out
The button of operation is connect, for carrying out physical control by button in the case of touch control manner failure；User is touched by touch-control
The interface of screen, can conveniently realize Voice Navigation, call, video, music and information exchange function, while can also configure more
The sorts of systems parameter of media device.
8. the user according to claim 6 or 7 can customize the vehicle-carrying communication multimedia equipment at interface, it is characterised in that
Intelligent embedded OS in the multimedia equipment main control unit is Android system, supports user oneself according to actual management
It is required that exploitation is adapted to the application software that commercial car uses.
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| CN105959556B (en) * | 2016-06-07 | 2019-03-22 | 盯盯拍（东莞）视觉设备有限公司 | Photographic device, communications peripheral, picture pick-up device and automobile data recorder |
| CN107623795B (en) * | 2017-09-29 | 2020-06-23 | 北京摩拜科技有限公司 | Voice message method, server, client, vehicle and vehicle system |
| CN109802697A (en) * | 2018-12-29 | 2019-05-24 | 惠州高盛达科技有限公司 | Wireless audio adapter |
| CN114510203A (en) * | 2020-11-16 | 2022-05-17 | 荣耀终端有限公司 | Electronic device and method and medium for screen collaboration between devices |
| CN112394900A (en) * | 2020-11-19 | 2021-02-23 | 联通智网科技有限公司 | Vehicle-mounted music system control method and device and electronic equipment |
| CN113411796B (en) * | 2021-06-30 | 2024-09-17 | 雅迪科技集团有限公司 | Layer-entering group type Bluetooth equipment audio transmission system, method and storage medium |
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