CN107786592A - Car networking control system based on positional information - Google Patents
Car networking control system based on positional information Download PDFInfo
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- CN107786592A CN107786592A CN201610728368.9A CN201610728368A CN107786592A CN 107786592 A CN107786592 A CN 107786592A CN 201610728368 A CN201610728368 A CN 201610728368A CN 107786592 A CN107786592 A CN 107786592A
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/953—Querying, e.g. by the use of web search engines
- G06F16/9537—Spatial or temporal dependent retrieval, e.g. spatiotemporal queries
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
Car networking control system based on positional information, belong to car networking control field, in order to solve to reach or soon enter the place of GPS location poor signal as underground parking in vehicle so that car networking control system can realize the problem of intelligent control, and technical essential is：Including one or more of following system：The control system and car system is sought based on car networking drive recorder that car bulb supplementary controlled system, vehicle window automatic control system, vehicle-mounted radio continuously play.Effect is：In each system, enter the place of GPS location poor signal as underground parking in vehicle, relevant control will be carried out automatically, improve deterrent that is intelligent, and reducing driver operation and bring.
Description
Technical field
The invention belongs to car networking control field, is related to a kind of car networking control system based on positional information.
Background technology
Only it is often what the positive action based on car owner was carried out for mobile unit intelligent control in car networking field, and
In some scenes, vehicle is generally required when entering the scene, just there is demand for control, this when, if car owner is actively
It is required that (execution associative operation) just can be controlled accordingly, illustrate that the degree of intelligence of the control device is not high, meanwhile, actively hold
Row operation, may bring some hazards to car owner.
The content of the invention
In order to solve to reach or soon enter the place of poor signal as underground parking in vehicle so that car networking
Control system can realize the problem of intelligent control, and the present invention proposes following technical scheme：A kind of car connection based on positional information
Network control system, including one or more of following system：Car bulb supplementary controlled system, vehicle window automatic control system,
The control system and car system is sought based on car networking drive recorder that vehicle-mounted radio continuously plays.
Beneficial effect：In each system, enter the place of poor signal as underground parking in vehicle, will enter automatically
Row relevant control, improve deterrent that is intelligent, and reducing driver operation and bring.
Brief description of the drawings
Fig. 1 is the composition frame chart of the prior art of car bulb supplementary controlled system；
Fig. 2 is the block diagram of system of car bulb supplementary controlled system；
Fig. 3 is the schematic flow sheet of car bulb supplementary controlled system；
Fig. 4 is the composition frame chart of the prior art of vehicle window automatic control system；
Fig. 5 is the block diagram of system of vehicle window automatic control system；
Fig. 6 is the schematic flow sheet of vehicle window automatic control system；
Fig. 7 is the composition frame chart of the prior art for the control system that vehicle-mounted radio continuously plays；
Fig. 8 is the block diagram of system for the control system that vehicle-mounted radio continuously plays；
Fig. 9 is the schematic flow sheet for the control system that vehicle-mounted radio continuously plays；
Figure 10 is the prior art systems schematic diagram for seeking car system based on car networking drive recorder；
Figure 11 is the block diagram of system for seeking car system based on car networking drive recorder；
Figure 12 is the schematic flow sheet of the car searching method for seeking car system based on car networking drive recorder；
Figure 13 is the schematic flow sheet of the car searching method for seeking car system based on car networking drive recorder.
Embodiment
Embodiment 1：A kind of car networking control system based on positional information, including one or more of following system：
The control system and joined based on car that car bulb supplementary controlled system, vehicle window automatic control system, vehicle-mounted radio continuously play
Net drive recorder seeks car system.
Embodiment 2：As the supplement of embodiment 1, described car bulb supplementary controlled system, including：GPS location mould
Block, vehicle data communication gate, 4G network communication modules, car networking cloud platform, automobile lamp controller.D GPS locating module is used
To receive satellite positioning information, vehicle data communication gate receives the location information of d GPS locating module.
Contain memory and 4G network communication modules inside vehicle data communication gate, vehicle data communication gate passes through 4G
It is automatic from car networking cloud platform to car networking cloud platform, vehicle data communication gate that network communication module uploads GPS location information
Download and the more cartographic information of new vehicle running region.Vehicle data communication gate accesses vehicle body by vehicle interior CAN
Control system, automobile lamp controller unlatching and closing automobile light are controlled by way of sending and instructing.
Vehicle data communication gate can constantly receive GPS location information, be compared with the map in memory, determine car
Centered on position, whether there is the entrance of the buildings such as tunnel, underground parking in vehicle-surroundings certain limit, at this
Certain limit, distance can generally be may be configured as within 1 kilometer (such as 0.3 kilometer, 0.5 kilometer, 0.7 kilometer), or other
Suitably it is judged as that vehicle has the distance for driving towards tunnel intention, when building entrance as the presence of vehicle location periphery,
Vehicle data communication gate sets the entrance as interim navigation purpose automatically, when vehicle location is close to the entrance, vehicle number
According to communication gate apart from building entrance certain distance (usual distance may be configured as within 200 meters, such as 5 meters, 10 meters, 30 meters,
50 meters, 100 meters, 130 meters, it is of course also possible to beyond 200 meters, such as 205 meters) when, unlatching car light is issued by CAN and referred to
Make to automobile lamp controller, so as to before vehicle drives into building, unlocking vehicle headlight and clearance lamps in advance.General feelings
Under condition, after vehicle drives into the building with blocking property, the signal to noise ratio for the satellite-signal that GPS module receives can become suddenly
It is small, therefore, before building is entered, car light is opened in advance, more accurately.After vehicle sails out of building, vehicle data communication
Gateway issues closing vehicle lamp by CAN and instructed to automobile lamp controller, so as to close automotive headlamp and clearance lamps,
The intensity of illumination of natural light becomes strong suddenly when preventing driver due to sailing out of building, and ignores and close lights of vehicle, so may be used
To play a part of energy-conservation.Behind vehicle data communication gate one interim navigation purpose ground of setting automatically, vehicle has sailed out of this
Entrance, then vehicle data communication gate with cancelling the interim navigation purpose automatically.
As a kind of embodiment, in addition, the satellite positioning information of vehicle, can also directly be uploaded by 4G network communication modules
Car networking cloud platform, and because the electronic map of car networking cloud platform storage retrieves the building entrance information near the position,
And centered on determining vehicle position, whether there are the buildings such as tunnel, underground parking in vehicle-surroundings certain limit
Entrance, the certain limit at this, distance can generally may be configured as within 1 kilometer (such as 0.3 kilometer, 0.5 kilometer, 0.7 kilometer
Deng), or other be suitably judged as vehicle have drive towards the tunnel intention distance, when vehicle location periphery exist as build
When building thing entrance, car networking cloud platform sets the entrance as interim navigation purpose automatically, when vehicle location is close to the entrance,
Car networking cloud platform vehicle distances building entrance certain distance (usual distance may be configured as within 200 meters, such as 5 meters, 10
Rice, 30 meters, 50 meters, 100 meters, 130 meters, it is of course also possible to beyond 200 meters, such as 205 meters) when, issued out by CAN
Open car light to instruct to automobile lamp controller, so as to before vehicle drives into building, unlocking vehicle headlight and show exterior feature in advance
Lamp.Generally, after vehicle drives into the building with blocking property, the signal to noise ratio for the satellite-signal that GPS module receives
It can suddenly diminish, therefore, before building is entered, open car light in advance, more accurately.After vehicle sails out of building, vehicle
Data communication network closes and issues closing vehicle lamp by CAN and instruct to automobile lamp controller, so as to close automotive headlamp with
And clearance lamps, the intensity of illumination of natural light becomes strong suddenly when preventing driver due to sailing out of building, and ignores and close Vehicle lamp
Light, it can so play a part of energy-conservation.Behind vehicle data communication gate one interim navigation purpose ground of setting automatically, vehicle
The entrance is sailed out of, then vehicle data communication gate with cancelling the interim navigation purpose automatically.
In the present embodiment, 4G network communication modules can be the mobile communication modules such as 2G or 3G, can reach identical and lead to
Believe purpose.
The technical scheme of the present embodiment, has the following effects that：
(1) driver's manual operation is reduced, improves drive safety：When vehicle is driven into building, car is automatically turned on
Lamp plays illumination and warning function, prevents front vehicle from knocking into the back；When sailing out of building, automatic closing vehicle lamp, energy-conservation can be played
Effect, and prevent from influenceing to the visual field of always car driver, whole process is automatically performed, without driver's manual intervention.
The number that driver operates lights of vehicle under steam is reduced, reduces and drives risk and contingency occurrence probability.
(2) accurate judgement：It can be driven into accurate judgement vehicle in the building blocked, open car light in advance.
As in embodiment 2, the system described in each scheme, the present embodiment proposes a kind of car bulb auxiliary controlling party
Method, comprise the following steps：
S1：Each module initialization；
S2：Vehicle data communication gate receives GPS location information；
S3：Update cartographic information；
S4：Detect building entrance existing for the periphery of vehicle position；
S5：It is automatically made interim destination；
S6：Vehicle also has 200 meters of scopes close to interim destination
S7：Unlocking vehicle headlight and clearance lamps.
The present embodiment further relates to a kind of car bulb auxiliary control method, and d GPS locating module receives satellite positioning information, and
The satellite positioning information of reception, which is transmitted to vehicle data communication gate, vehicle data communication gate, has mobile network communication mould
Block, vehicle position is determined using satellite positioning information, and map is retrieved to obtain vehicle position with the positional information
Neighbouring building entrance information, when vehicle drives towards the building entrance to certain distance, the control of vehicle data communication gate
Automobile lamp controller starts car light.The satellite positioning information uploads to car networking cloud platform by mobile network communication module,
The building entrance information near the position is retrieved in the electronic map of car networking cloud platform storage.Vehicle data communication gate leads to
Mobile network communication module is crossed from the download of car networking cloud platform, the cartographic information of more new vehicle running region, and is stored in vehicle
The data communication network Central Shanxi Plain, and by retrieving the building entrance information near vehicle position in the map.The side of the present embodiment
Method, it can be mutually combined with each scheme in embodiment 2.
Embodiment 3：As the supplement of embodiment 1 or 2, existing vehicle window control system, following shortcomings be present：
Manual operation is frequent.The control method of existing automotive window needs manual hand manipulation, and driver is in way of driving
Need to adjust the height that vehicle window rises, add the number of driver operation, disperseed the notice of driver, add driving wind
Danger.
The automatic lifting windows only in vehicle stall car locking.Existing automotive window rises control method automatically, is only put out in vehicle
Acted after fire during car locking, prior art is by detection car locking instruction, and the rise action of triggering vehicle window, effect is to prevent human pilot from losing
Forget to rise vehicle window and cause in-car stolen property.
It is only effective when speed exceedes threshold value.Existing automotive window rises control method automatically, only surpasses in car speed
Vehicle window is risen automatically when crossing threshold value, if vehicle drives into the buildings such as underground parking with low speed, prior art can't be certainly
It is dynamic to rise vehicle window.
Therefore, the present embodiment provides a kind of vehicle window automatic control system, to solve above-mentioned technical problem, the system includes：
D GPS locating module, the signal-tonoise information of gps signal is obtained for collection vehicle location information, and with this；
Vehicle data communication gate, with vehicle interior bus communication to obtain car window switch status information, and in gps signal
Signal to noise ratio when being less than the threshold value pre-set, and when vehicle window is open state, send control information to vehicle interior bus, by
Vehicle data communication bus sends control signal, and control rises window motor and rises window.
As a kind of embodiment：Vehicle data communication gate passes through vehicle OBD interfaces and vehicle interior communication bus interface
Communicated with vehicle interior bus.
As a kind of embodiment：D GPS locating module is installed in vehicle data communication gate, by vehicle data communication gate
GPS module location information is read, monitors the signal-tonoise information of gps signal.
As a kind of embodiment：Vehicle data communication gate rises window motor, control by vehicle interior bus marco vehicle window
Window lifting is divided into two kinds of mode of operations, Manual Mode and long-press pattern.
As a kind of embodiment：The Manual Mode is to press/lift lifting window button, makes vehicle window decline/rising big every time
About 1-3 centimetres；Long-press pattern is to press lifting window button, will switch by earth/will switch thorough pull-up, vehicle window opens completely/
Completely close.
As a kind of embodiment：The system also includes buzzer and/or alarm lamp, and the signal to noise ratio of gps signal is less than pre-
During the threshold value first set, and when vehicle window is open state, buzzer sends alarm sound and/or alarm lamp is lighted.
As another embodiment, the present embodiment also describes a kind of vehicle window autocontrol method, is communicated by vehicle data
Gateway receives the vehicle location information of d GPS locating module collection, the signal to noise ratio in location information is detected, when GPS signal to noise ratio is less than
During threshold value set in advance, vehicle data communication gate is communicated with vehicle interior communication bus, is carried out vehicle window state and is opened
Detection is closed, when vehicle window is open state, vehicle data communication gate is worked by the liter window motor of vehicle interior bus marco vehicle window,
So as to which vehicle window be risen.
As a kind of embodiment, vehicle data communication gate passes through vehicle OBD interfaces and vehicle interior communication bus interface
Communicated with vehicle interior bus.
As a kind of embodiment, d GPS locating module is installed in vehicle data communication gate, by vehicle data communication gate
GPS module location information is read, monitors the signal-tonoise information of gps signal.
As a kind of embodiment, vehicle data communication gate rises window motor, control by vehicle interior bus marco vehicle window
Window lifting is divided into two kinds of mode of operations, Manual Mode and long-press pattern, and the Manual Mode is to press/lift lifting window button,
Make vehicle window decline/about 1-3 centimetres of rising every time；Long-press pattern is to press lifting window button, will switch by earth/will switch
Thorough pull-up, vehicle window are opened/completely closed completely.
What above-mentioned technical proposal obtained has the technical effect that：
Driver's manual operation is reduced, improves drive safety：Because the operation that vehicle window rises is led to by vehicle data
Gateway is believed to judge the signal to noise ratio of GPS module, so as to control Car window electric machine to close vehicle window, is automatically performed by equipment, without
Manual operation, so the vehicle window of the present embodiment rises control method automatically can reduce driver's manual operation, improve and drive peace
Quan Xing.
Reduce the soakage that driver and crew suck pernicious gas：Because vehicle is driven into building, vehicle window rises automatically,
Pernicious gas in building is isolated to float in driver's cabin, thus the suction that driver and crew suck pernicious gas can be reduced
Amount.
Window process safety is risen, prevents vehicle window folder people from pressing from both sides thing：Because the present embodiment is in the case where vehicle is driven into building,
First pass through buzzer and carry out sound prompting, then 2 centimetres of glass for vehicle window is first risen by Manual Mode and reminded, then again by car
Window rises, therefore rises window process safety, prevents vehicle window folder people from pressing from both sides the generation of formal matter part.
As the supplement of the present embodiment, control method and system that a kind of automotive window rises automatically, the hardware dress being related to
Put and consist of the following components：D GPS locating module, vehicle data communication gate, buzzer, vehicle bus interface, liter window motor.
Contain d GPS locating module and buzzer in vehicle data communication gate, vehicle data communication gate, which is hidden, to be arranged on
In-car, vehicle data communication gate are carried out by vehicle OBD interfaces and vehicle interior communication bus interface with vehicle interior bus
Communication.While vehicle data communication gate reads GPS module location information, the signal-tonoise information of GPS module is monitored.Vehicle number
Vehicle window can be controlled to rise window motor by vehicle bus according to communication gate, control window lifting is divided into two kinds of mode of operations, crawl
Pattern and long-press pattern.Manual Mode, i.e., such as flicking/light lift lifting window button, vehicle window decline/rising about 2 can be made
Centimetre.Long-press pattern, i.e., such as long-press lifting window button, will switch by earth/thorough pull-up will be switched, can be complete by vehicle window
Open/completely close entirely.
The control method that described vehicle window rises automatically is to receive GPS information by vehicle data communication gate, detect GPS
Signal to noise ratio in information, when GPS signal to noise ratio is less than threshold value set in advance, vehicle data communication gate passes through vehicle OBD
Interface and vehicle interior communication bus interface are communicated with vehicle interior bus, vehicle window state are detected, if vehicle window state is
Open mode, then vehicle data communication gate sends alarm sound by buzzer, while vehicle data communication gate passes through vehicle
The liter window motor work of bus marco vehicle window, so as to the method for rising vehicle window.Vehicle data communication gate passes through vehicle bus
The process of the liter window motor work of control vehicle window is first to send Manual Mode instruction, vehicle window is risen into about 2 centimetres, for prompting
On car driver and crew will automatic lifting windows, prevent driver and crew from being clamped by vehicle window, then send long-press mode instruction again, by vehicle window
Rise completely until vehicle window is closed.
When vehicle drives into underground parking or tunnel, if vehicle window is opened, the air ratio in underground parking and tunnel
More dirty, Vehicular exhaust concentration gathers rising relative to air outside the buildings such as tunnel, underground parking, to the body of driver and crew
Health damages, and to reduce incoming call pernicious gas, general triggering manually rises window button and closes vehicle window driver and crew.Vehicle drives into
When underground parking and tunnel, light intensity can be converted suddenly, and driving risk certainly will be increased by the same time carrying out a liter window operation, special
Be not the unfamiliar driver of vehicle condition, it is in particular possible to occur can not find liter window button and in a rush situation.
The vehicle for the control method and device that automotive window described in installation the present embodiment rises automatically, when vehicle drives into ground
When lower parking lot and tunnel, because GPS signal to noise ratio is less than threshold value, vehicle data communication gate passes through vehicle OBD interfaces and car
Internal communication bus interface is communicated with vehicle interior bus, detects vehicle window state, if vehicle window state is open mode,
Then vehicle data communication gate sends alarm sound by buzzer, while vehicle data communication gate controls car by vehicle bus
The liter window motor of window first rises 2 centimetres with Manual Mode to be reminded, then is risen vehicle window until vehicle window completely with long-press module
Close.Whole process is automatically performed, and without driver's manual intervention, is automatically performed a liter window process.Reduce driver under steam
The number of window lifting button is operated, reduces and drives risk and contingency occurrence probability, driver and crew's incoming call is effectively reduced and is harmful to
Gas.
GPS information is constantly sent to vehicle data communication gate, GPS information by d GPS locating module by data-interface
In include the signal to noise ratio of GPS receiver signal, belong to data signal, when vehicle traveling is on open highway, often GPS signal to noise ratio
It is higher, while the GPS information of multi-satellite can be received, but when vehicle drives into underground parking and tunnel, due to gps signal
It is high frequency radio wave, can decays rapidly in underground parking and tunnel, the signal to noise ratio of GPS module declines rapidly, and phenomenon is bright
Aobvious, vehicle data communication gate is easy to judge that vehicle has been driven into the building blocked according to GPS signal to noise ratio.
As a kind of embodiment, a kind of vehicle window autocontrol method, comprise the following steps：
S1：Vehicle data communication gate initializes；
S2：GPS module initializes；
S3：Vehicle data communication gate reads GPS signal to noise ratio；
S4：Judge whether GPS signal to noise ratio is less than threshold value；
S5：Vehicle window state is detected, judges whether vehicle window is open mode；
S6：Buzzer warning；
S7：Manual Mode rises 2 centimetres of window, for prompting driver and crew；
S6：Long-press pattern rises window to closing.
Embodiment 4：As the supplement of embodiment 1 or 2 or 3, vehicle-mounted radio of the prior art, have the disadvantages that：
Manual operation is frequent：Existing vehicle-mounted radio runs into vehicle and drives into the letter that broadcasting station is can not receive when in building
Number, vehicle-mounted radio still plays noise by loudspeaker, influences the notice of driver, it is necessary to which manual operation volume knob drops
The noise of low radio, some vehicle entertainment systems support the audios such as broadcasting CD, MP3, USB storage, can not in vehicle-mounted radio
When receiving the signal in broadcasting station, it is also desirable to increase manual operation, entertainment systems are switched to and play CD, MP3, USB storage
Etc. content, after vehicle sails out of building, in order to continue the information such as the real-time road of broadcast listening radio station broadcasting, again by artificial
Operation, switches to radio receiver mode by vehicle entertainment system and tunes up the volume of radio, so add the operation of driver
Number, add driving risk.
Inaccuracy, still there is noise：The method of existing vehicle-mounted radio control volume is generally based on detection radio
Whether the signal in the broadcasting station received is noise signals, so as to which the volume of radio be adjusted.This method
Radio noise can not accurately be turned off, radio can also play the white noise of amount of bass, and existing vehicle entertainment system needs
Mode switch modes manually, do not possess the function of automatic switchover play mode.
Poor compatibility：The detection circuit of the method for existing vehicle-mounted radio control volume is located inside vehicle-mounted radio,
Poor compatibility, the vehicle-mounted radio of Multiple Type can not be applied to.
Therefore, the control system that the present embodiment will provide a kind of vehicle-mounted radio and continuously play, to solve the above problems.
The system includes vehicle-mounted radio, loudspeaker, vehicle data communication gate, d GPS locating module and loudspeaker control
Device, speaker controller connect the speaker interface of vehicle-mounted radio by wire harness, and the vehicle data communication gate, which has, to be deposited
Reservoir, storage vehicle data communication gate pass through network-caching or the audio program information of download, d GPS locating module collection vehicle
GPS information, and obtain the signal-tonoise information in GPS information, be allowed to compare to be controlled with the signal-noise ratio threshold value set
Signal, loudspeaker is set to play audio corresponding to the audio program information downloaded.
As a kind of embodiment, GPS information is received by vehicle data communication gate, and detect the signal to noise ratio in GPS information
Information, when GPS signal to noise ratio is less than signal-noise ratio threshold value set in advance, vehicle data communication gate sends control signal to raising
Sound device controller, switching loudspeaker play caching or the audio program downloaded in the memory of vehicle data communication gate, work as GPS
When signal to noise ratio is higher than threshold value set in advance, vehicle data communication gate sends control signal to speaker controller, control
Loudspeaker switches to the audio for playing radio.
It is described when GPS signal to noise ratio is higher than threshold value set in advance, vehicle data communication gate controls audio simultaneously
Caching or the audio program downloaded, at recording played time point, treat to continue to play next time in player pause playout storage.
The vehicle data communication gate, including modem, router and access point, modem is by access
Mobile communications network wireless signal is converted to the WIFI wireless signals of WLAN, for the shared movement simultaneously of multiple wireless terminals
Wireless network.
The present embodiment, install the vehicle data communication network containing speaker controller additional among vehicle-mounted radio and loudspeaker
Close, the automatic buffer network audio content of vehicle data communication gate, whether vehicle data communication gate is by judging GPS signal to noise ratio
Method less than threshold value in a disguised form judges that vehicle drives into/sailed out of the buildings such as underground parking and tunnel, vehicle data communication network
Close by the play mode of speaker controller automatic switchover loudspeaker, this method can with accurate judgement switch modes when
Between point, can reduce vehicle-mounted radio play noise while, make full use of fragmentation time play network audio content, make
Driver obtains more information, reduces the number of the manually operated radio of driver, so as to increase drive safety, reduces and hands over
The probability of happening of interpreter's event.
Vehicle data communication gate controls the network audio content played also to have break-point continuous playing by speaker controller
Function, when each vehicle is driven into building, the time point played automatically from last time continues to play network audio content.
As a kind of embodiment, present embodiment discloses a kind of method that vehicle-mounted radio continuously plays, using above-mentioned
The control system that any number of vehicle-mounted radio continuously plays, comprises the following steps：
S1：GPS module initializes；
S2：Vehicle data communication gate opens loudspeaker by speaker controller, switches to radio play mode；
S3：Vehicle data communication gate is by network-caching or downloads network audio program to the memory of inside；
S4：Vehicle data communication gate reads GPS signal to noise ratio；
S5：Judge whether GPS signal to noise ratio is less than threshold value；
S6：GPS signal to noise ratio is less than threshold value, and vehicle data communication gate switches to network audio by speaker controller
Caching downloads play mode.
As another embodiment, present embodiment discloses a kind of method that vehicle-mounted radio continuously plays, vehicle-mounted radio
When audio program is put in machine sowing, vehicle data communication gate caching or download network audio, GPS location information is gathered in real time, and sentence
Whether disconnected GPS signal to noise ratio be less than threshold value, and during less than threshold value, speaker controller switches the play mode of loudspeaker, broadcasting
Caching downloads network audio program.Until GPS signal to noise ratio is higher than threshold value, speaker controller switches the broadcasting mould of loudspeaker
Formula, play the audio of radio.It is described when GPS signal to noise ratio is higher than threshold value set in advance, vehicle data communication gate
Caching or the audio program downloaded in audio player pause playout storage are controlled simultaneously, at recording played time point, treat next time
Continue to play.
As the supplement of each technical scheme of the present embodiment, a kind of control system that vehicle-mounted radio continuously plays is related to
Hardware unit consists of the following components：Vehicle-mounted radio, loudspeaker, vehicle data communication gate.Vehicle-mounted radio, vehicle-mounted letter
The important component of entertainment systems is ceased, the standard configuration of most automobiles, voice entertainment information is provided in way is driven for driver,
Particularly the traffic real-time road condition information of each place is all issued by broadcasting station to numerous drivers.Vehicle-mounted radio is installed
On the fixed mount of middle control operating desk, there are multi-channel loudspeaker binding post, power supply terminal, antenna terminal in the vehicle-mounted radio back side
Deng.Contain speaker controller, GPS module, memory, audio player, mobile communication module, tune in vehicle data communication gate
The mobile communications network wireless signal of access is converted to wireless local by modulator-demodulator, router and access point, modem
The WIFI wireless signals of net, mobile wireless network is shared simultaneously for multiple wireless terminals.
Vehicle data communication gate hides installation in the car, and speaker controller connects vehicle-mounted radio by special wire harness
The speaker interface and loudspeaker at the back side.While vehicle data communication gate reads GPS module location information, GPS is monitored
The signal-tonoise information of module.Vehicle data communication gate downloads audio program information by network to the memory of inside automatically
In, the audio program can be decoded by audio player, exported by speaker controller and carried out to the loudspeaker of vehicle
Play.
The control method that described vehicle-mounted radio continuously plays is that vehicle data communication gate is downloaded automatically by network
Audio program information, it is cached in the memory of inside, GPS information is received by vehicle data communication gate, detected in GPS information
Signal to noise ratio, when GPS signal to noise ratio is less than threshold value set in advance, vehicle data communication gate is cut by speaker controller
Change loudspeaker and play the audio program cached in vehicle data communication gate internal memory, when GPS signal to noise ratio is higher than door set in advance
During limit value, the control audio player pause of vehicle data communication gate plays the audio program that caches in internal memory, during recording played
Between point, treat to continue to play next time, vehicle data communication gate pass through speaker controller switch loudspeaker play radio play
Content.
When vehicle drives into underground parking, or during tunnel, the light injected in driver's eye can suddenly change, at the same time
Radio does not receive the signal from broadcasting station, commences play out noise, and generally driver is in order to reduce radio
Noise, it is necessary to which regulation radio volume either closes radio or manual switching and plays CD, MP3, USB and stores etc. rapidly
Content, when vehicle sails out of underground parking or tunnel, driver's manual switching play mode again, continue to listen to radio reception machine sowing
The content put, such operation certainly will increase the unfamiliar driver of driving risk, particularly vehicle condition, it is in particular possible to occur looking for not
To volume adjustment knob and mode switch button and in a rush situation.
The control method and the vehicle of system that vehicle-mounted radio described in installation the present embodiment continuously plays, when vehicle drives into
When underground parking and tunnel, because GPS signal to noise ratio is less than threshold value, vehicle data communication gate by speaker controller from
Dynamic switching loudspeaker plays the audio program cached in vehicle data communication gate internal memory, reaches the continuous effect for playing audio program
Fruit, when vehicle sails out of underground parking or tunnel, the control audio player pause of vehicle data communication gate is played in internal memory
The audio program of caching, at recording played time point, treat to continue to play next time, vehicle data communication gate passes through speaker controller
Switch loudspeaker and play radio broadcasting content, make driver continue to listen to the real-time road condition information and audio section of radio broadcasting
Mesh.Whole process is automatically performed, and without driver's manual intervention, loudspeaker plays content and automatically switched, continuous to play, and reduction is driven
The person of sailing operates the number of radio under steam, reduces and drives risk and contingency occurrence probability, takes full advantage of during the journey
Chip time, network audio information and wireless broadcast information are listened to, avoid the possibility that noise is played in loudspeaker.
GPS information is constantly sent to vehicle data communication gate, GPS information by d GPS locating module by data-interface
In include the signal to noise ratio of GPS receiver signal, belong to data signal, when vehicle traveling is on open highway, often GPS signal to noise ratio
It is higher, while the GPS information of multi-satellite can be received, but when vehicle drives into underground parking and tunnel, due to gps signal
It is high frequency radio wave, can decays rapidly in underground parking and tunnel, the signal to noise ratio of GPS module declines rapidly, and phenomenon is bright
Aobvious, vehicle data communication gate is easy to judge that vehicle has been driven into the building blocked according to GPS signal to noise ratio.
Referring to Fig. 7, as a kind of method of embodiment, comprise the following steps：
S1：GPS module initializes；
S2：Vehicle data communication gate opens loudspeaker by speaker controller, switches to radio play mode；
S3：Vehicle data communication gate passes through network-caching network audio program to internal storage；
S4：Vehicle data communication gate reads GPS signal to noise ratio；
S5：Judge whether GPS signal to noise ratio is less than threshold value；
S6：GPS signal to noise ratio is less than threshold value, and vehicle data communication gate switches to network audio by speaker controller
Cache play mode；
By above-described embodiment 1 and as each scheme in the embodiment 2 of its supplemental content, described system and method,
Have the following effects that：
Driver's manual operation is reduced, improves drive safety：Due to switching to network audio program to play and switch back into
The operation that radio content plays is that the signal to noise ratio of GPS module is judged by vehicle data communication gate, so as to control
Speaker controller, it is automatically performed by equipment, without manual operation, so the radio control method of the present invention can be reduced
Driver's manual operation, improve drive safety.
The time is made full use of, obtains more information：Because the present embodiment is by judging the method for GPS signal to noise ratio, so as to examine
Measuring car is driven into building, and GPS signal to noise ratio is digitized signal, and vehicle is driven into building, and GPS signal to noise ratio reduces aobvious
Writing, after vehicle sails out of building, GPS signal to noise ratio significantly improves, therefore the time that can be driven into accurate judgement vehicle in building,
Network audio programme content is played out in the time of these fragmentations, after vehicle sails out of building, network audio content
Pause is played, treats that next vehicle drives into the follow-up continued broadcasting of building and puts network audio content again, therefore, former radio can be utilized
The time slot of noise is played, continual broadcasting network audio programme information, reaches and makes full use of the time, obtain more information
Purpose.
Compatibility is good：The present embodiment switches the pattern of loudspeaker broadcasting by speaker controller, and speaker controller exists
The outside of original-pack vehicle-mounted radio, speaker controller play a part of switch mode switch, use the controlling party of the present embodiment
Method need not change the circuit and in house software of original-pack vehicle-mounted radio, it is only necessary to installed additional outside vehicle-mounted radio and contain loudspeaker
The vehicle data communication gate of controller, therefore, the vehicle-mounted radio of most models can be adapted to.
Embodiment 5：It is a kind of that car system is sought based on car networking drive recorder as the supplement of embodiment 1 or 2 or 3 or 4
System, including：
D GPS locating module, the signal-tonoise information of location information is obtained for collection vehicle location information, and with this, used
Signal-tonoise information is to judge that vehicle enters underground parking；
Turning judgment means, including gyroscope and magnetometer, for judging that turn inside diameter travels；
Parking judgment means, for judging vehicle parking；
Drive recorder, takes pictures and/or recorded video when turn inside diameter travels, and take pictures when vehicle parking and/or
Recorded video is with registration of vehicle parking spot；
Terminal, during for finding vehicle parking position, transferring drive recorder and taking pictures and/or record when turn inside diameter travels
Video processed, and/or take pictures when transferring vehicle parking and/or recorded video.
The present embodiment uses the signal-tonoise information of location information as judging that vehicle enters the foundation of underground parking, and
When turn inside diameter and parking, control is sent so that drive recorder records current environment and the image of position, and car owner prepares to exit
During parking lot, because the usual signal in part underground parking is weak, lead to not find vehicle using navigation, can now use eventually
Turning image and parking spot image are transferred to seek car in end, also, can at least return to vehicle entrance, further according to turning and parking
Position, one surely finds vehicle.
As a kind of embodiment, the parking judges position, is vehicle data communication gate, has OBD communication modules, its
It is connected with vehicle OBD interface signals, for reading vehicle motor rotating speed, so that when vehicle motor rotating speed is zero, driving is remembered
Position when record instrument is taken pictures and/or recorded video registration of vehicle stops.
As a kind of embodiment：The system also includes：Vehicle data communication gate, including WIFI module, mobile communication
The mobile communications network wireless signal of access is converted to nothing by module, modem, router and access point, modem
The WIFI wireless signals of line LAN, for multiple wireless terminals while mobile wireless network is shared, described d GPS locating module,
Drive recorder, terminal have WIFI module, and WLAN communication is used with vehicle data communication gate.
As a kind of embodiment：The drive recorder, taken pictures when turn inside diameter travels and/or recorded video and/or
Take pictures when vehicle motor rotating speed is zero and/or recorded video, transmitted by WIFI module to vehicle data communication gate, and by
The mobile radio telecommunications module of vehicle data communication gate is sent to cloud platform, and is downloaded by terminal in cloud platform to check.
As a kind of embodiment：When GPS signal to noise ratio is less than threshold value set in advance, vehicle data communication gate judges
Vehicle drives into underground parking, takes pictures and/or recorded video is named according to shooting time.
The present embodiment describes a kind of car searching method based on car networking drive recorder, including：
S1. collection location information, and detect signal to noise ratio therein in real time, when signal to noise ratio is less than threshold value set in advance
When, judge that vehicle drives into underground parking；
S2. when vehicle drives into underground parking, start to detect the output valve of gyroscope and magnetometer, work as vehicle traveling direction
When angle of turn is more than angle threshold, shooting instruction is sent to drive recorder；
When vehicle motor rotating speed is zero, shooting instruction is sent to drive recorder；
When S3. preparing to exit underground parking (car owner prepares to drive to leave), terminal is transferred drive recorder and turned in vehicle
Taken pictures during curved traveling and/or recorded video, and drive recorder is taken pictures and/or recorded and regards when vehicle motor rotating speed is zero
Frequently.
As another embodiment, a kind of car searching method based on car networking drive recorder, including：
S1：Vehicle data communication gate detects the signal to noise ratio of location information；
S2：Judge that the signal to noise ratio of location information is less than threshold value；
S3：When judging that vehicle enters underground parking, vehicle data communication gate detection gyroscope and magnetometer it is defeated
Go out value；
S4：Judge whether the angle of turn of vehicle forward direction is more than threshold value；
S5：It is being judged as Ackermann steer angle, vehicle data communication gate sends shooting instruction to drive recorder；
S6：Drive recorder shoots photo and/or video；
S7：Drive recorder upload pictures and/or video are to cloud platform；
S8：When seeking car, terminal calls the photo and/or video.
Further, when judging that vehicle enters underground parking, while following steps are performed：
Step 1 vehicle datas communication gate reads vehicle motor rotating speed；
Step 2 judges whether engine speed is zero；
When judging vehicle without travel speed, vehicle data communication gate sends shooting to drive recorder and referred to step 3
Order；
Step 4 drive recorders shoot photo and/or video；
Step 5 drive recorders upload pictures and/or video are to cloud platform；
When step 6 seeks car, terminal calls the photo and/or video.
As the supplement of each technical scheme of the present embodiment, a kind of car networking drive recorder method for recording parking position,
The hardware unit that the present embodiment is related to consists of the following components：Drive recorder, vehicle data communication gate, smart mobile phone and
Cloud platform.
Drive recorder disclosed in the present embodiment has network communicating function, is communicated by WIFI module with vehicle data
Gateway carries out data communication, and drive recorder can shoot and export video and still photo file.
There is vehicle data communication gate disclosed in the present embodiment GPS module, 3 axle gyroscopes, 3 axle magnetometers, OBD to lead to
Believe module, WIFI module, mobile communication module, modem, router and access point, modem is by the movement of access
Communication network wireless signal is converted to the WIFI wireless signals of WLAN, shares mobile wireless simultaneously for multiple wireless terminals
Network, vehicle data communication gate are arranged in car OBD interface by special wire harness, and vehicle-state, vehicle traveling can be read
Velocity information,
Smart mobile phone disclosed in the present embodiment is provided with special APP application programs, and the APP has following function：
Send vehicle launch, vehicle stall, car door opening, closing of the door, the instruction that vehicle window is opened, vehicle window is closed.
Read vehicle-state, as car speed, engine revolution, coolant temperature, car internal and external temperature, battery tension,
Whether course continuation mileage, and car door, vehicle window, lock are opened, vehicle launch and the state such as flame-out.
Record wheelpath, every section of stroke route, time, vehicle position information.
Record the bad steering behavior of driver：Bring to a halt, suddenly accelerate, zig zag.
Seek car model selection：Light seeks car, acousto-optic seeks car, map seeks car, photo seeks car, video seeks car.
The playback of drive recorder capture pictures, drive recorder shooting video playback.
User is enterprising in cloud platform by the drive recorder described in the present embodiment, vehicle data communication gate, smart mobile phone
Row registration and binding, user can browse and check information of vehicles and regarding captured by drive recorder on the APP of smart mobile phone
Frequency and image information.
Car networking drive recorder method for recording parking position disclosed in the present embodiment is：The present embodiment method is to pass through
When drive recorder captures vehicle parking and parking vehicle in front enters photo of the underground parking when each turning crossing is turned
Method, registration of vehicle parking position information indirectly, when user can not find the automobile of oneself in underground parking, Yong Hutong
Cross smart mobile phone APP and obtain this group of photo being stored on Cloud Server, user is helped by the information on this group of photo
The method for finding institute's parked vehicle.Judge that vehicle drives into the state of underground parking and parking by vehicle data communication gate,
Candid photograph is sent from vehicle data communication gate to drive recorder by WIFI module to instruct, after drive recorder capture pictures,
The WIFI wireless signals of the WLAN provided by vehicle data communication gateway, photo upload to cloud platform is grabbed every time
The photo of take uploads cloud platform, treats APP client of the user by smart mobile phone according to time name, every capture pictures are captured
The method that end obtains capture pictures.
Vehicle data communication gate judges that the method for vehicle stopped state is to read vehicle motor by vehicle OBD interfaces
The method that rotating speed is zero is judged.
Vehicle data communication gate judges that the method that vehicle drives into underground parking is connect by vehicle data communication gate
GPS information is received, detects the signal to noise ratio in GPS information, when GPS signal to noise ratio is less than threshold value set in advance, vehicle data leads to
Letter gateway judges that vehicle drives into underground parking.Vehicle data communication gate judges that vehicle starts to detect after driving into underground parking
The output valve of 3 axle gyroscopes and 3 axle magnetometers, vehicle forward direction is judged by the output valve of 3 axle gyroscopes and 3 axle magnetometers
Angle of turn, the vehicle data that when vehicle traveling direction angle of turn is more than angle threshold (typically sets the threshold value as 45 degree)
Communication gate sends candid photograph instruction by WIFI module to drive recorder.
The method of photo when drive recorder described in the present embodiment captures vehicle parking：(Figure 12)
S1：Vehicle data communication gate reads vehicle motor rotating speed；
S2：Judge whether engine speed is zero；
S3：Vehicle data communication gate sends candid photograph instruction；
S4：Drive recorder capture pictures；
S5：Drive recorder upload pictures are to cloud platform；
Drive recorder described in the present embodiment is captured parking vehicle in front and turned into underground parking at each turning crossing
When photo method：(Figure 13)
S1：Vehicle data communication gate detects GPS signal to noise ratio；
S2：Judge that GPS signal to noise ratio is less than threshold value
S3：Vehicle data communication gate detection sensor output valve；
S4：Judge whether the angle of turn of vehicle forward direction is more than threshold value；
S5：Vehicle data communication gate sends candid photograph instruction；
S6：Drive recorder capture pictures；
S7：Drive recorder upload pictures are to cloud platform.
The present embodiment is when capturing vehicle parking by drive recorder and parking vehicle in front enters underground parking each
The method of photo when turning crossing is turned, indirectly registration of vehicle parking position information, therefore independent of GPS positioning system
Record the parking spot of underground parking.
The method that the present embodiment captures each turning photo in underground parking by drive recorder travels road to vehicle
Line is recorded automatically, and parking spot is recorded by the method for capturing parking spot photo automatically, it is therefore not necessary to indoor
Map is supported, under the situation that underground parking indoor map is not yet popularized, provides the user with good method for recording parking position.
Using the user of the present embodiment, when needing to check storing cycle position, user uses smart mobile phone, cruising vehicle
The capture pictures of underground parking and parking spot are driven into, the mark in the image captured by drive recorder finds parking
Position.
It is described above, the only preferable embodiment of the invention, but the protection domain of the invention is not
This is confined to, any one skilled in the art is in the technical scope that the invention discloses, according to the present invention
The technical scheme of creation and its inventive concept are subject to equivalent substitution or change, should all cover the invention protection domain it
It is interior.
Claims (9)
- A kind of 1. car networking control system based on positional information, it is characterised in that：Including one or more of following system： The control system and joined based on car that car bulb supplementary controlled system, vehicle window automatic control system, vehicle-mounted radio continuously play Net drive recorder seeks car system.
- 2. the car networking control system based on positional information as claimed in claim 1, it is characterised in that：Car bulb auxiliary control System processed includes d GPS locating module, vehicle data communication gate, car networking cloud platform, automobile lamp controller, and the GPS determines Position module is used to receive satellite positioning information, and the satellite positioning information of reception is transmitted to vehicle data communication gate, vehicle Data communication network, which closes, has mobile network communication module, and the satellite positioning information determines vehicle position, and with the position Information retrieval map drives towards the building entrance to one to obtain the building entrance information near vehicle position, in vehicle During set a distance, vehicle data communication gate control automobile lamp controller starts car light.
- 3. the car networking control system based on positional information as claimed in claim 1, it is characterised in that：Vehicle window, which automatically controls, is System, including：D GPS locating module, the signal-tonoise information of gps signal is obtained for collection vehicle location information, and with this；Vehicle number According to communication gate, with vehicle interior bus communication to obtain car window switch status information, and it is less than in advance in the signal to noise ratio of gps signal During the threshold value first set, and when vehicle window is open state, control information is sent to vehicle interior bus, it is total by vehicle data communication Line sends control signal, and control rises window motor and rises window.
- 4. the car networking control system based on positional information as claimed in claim 1, it is characterised in that：Vehicle-mounted radio is continuous The control system of broadcasting, including vehicle-mounted radio, loudspeaker, vehicle data communication gate, d GPS locating module and loudspeaker control Device, speaker controller connect the speaker interface of vehicle-mounted radio by wire harness, and the vehicle data communication gate, which has, to be deposited Reservoir, storage vehicle data communication gate pass through network-caching or the audio program information of download, d GPS locating module collection vehicle GPS information, and obtain the signal-tonoise information in GPS information, be allowed to compare to be controlled with the signal-noise ratio threshold value set Signal, loudspeaker is set to play audio corresponding to the audio program information downloaded.
- 5. the car networking control system based on positional information as claimed in claim 1, it is characterised in that：Driven a vehicle based on car networking Recorder seeks car system, including：D GPS locating module, the signal-tonoise information of location information is obtained for collection vehicle location information, and with this, uses noise Than information to judge that vehicle enters underground parking；Turning judgment means, including gyroscope and magnetometer, for judging that turn inside diameter travels；Parking judgment means, for judging vehicle parking；Drive recorder, takes pictures and/or recorded video when turn inside diameter travels, and takes pictures and/or record when vehicle parking Video is with registration of vehicle parking spot；Terminal, during for finding vehicle parking position, transferring drive recorder and take pictures and/or record when turn inside diameter travels and regard Frequently, and/or when transferring vehicle parking take pictures and/or recorded video.
- 6. the car networking control system based on positional information as claimed in claim 2, it is characterised in that：The car bulb is auxiliary Help in control system, the satellite positioning information uploads to car networking cloud platform by mobile network communication module, in car networking cloud The electronic map of platform storage retrieves the building entrance information near the position；Vehicle data communication gate passes through mobile network Communication module is downloaded from car networking cloud platform, the cartographic information of more new vehicle running region, and is stored in vehicle data communication network The Central Shanxi Plain, and by retrieving the building entrance information near vehicle position in the map；Described mobile network communication module For 2G or 3G or 4G communication modules；The vehicle data communication gate communicates with CAN, and by sending the side of control instruction Formula, automobile controller is controlled by CAN, with startup or closing vehicle lamp；After vehicle sails out of building, vehicle data communication gate Closing vehicle lamp is issued by CAN to instruct to automobile lamp controller.
- 7. the car networking control system based on positional information as claimed in claim 3, it is characterised in that：The vehicle window is controlled automatically In system processed, vehicle data communication gate passes through vehicle OBD interfaces and vehicle interior communication bus interface and vehicle interior bus Communicated；D GPS locating module is installed in vehicle data communication gate, is read GPS module by vehicle data communication gate and is determined Position information, monitor the signal-tonoise information of gps signal；Vehicle data communication gate rises window electricity by vehicle interior bus marco vehicle window Machine, control window lifting are divided into two kinds of mode of operations, Manual Mode and long-press pattern；The Manual Mode is, by/lift lift truck Window button, make vehicle window decline/about 1-3 centimetres of rising every time；Long-press pattern is to press lifting window button, will switch by earth/ Thorough pull-up will be switched, vehicle window is opened/completely closed completely.
- 8. the car networking control system based on positional information as claimed in claim 4, it is characterised in that：The vehicle-mounted radio In the control system continuously played, GPS information is received by vehicle data communication gate, and detects the letter of the signal to noise ratio in GPS information Breath, when GPS signal to noise ratio is less than signal-noise ratio threshold value set in advance, vehicle data communication gate sends control signal to raising one's voice Device controller, switching loudspeaker play caching or the audio program downloaded in the memory of vehicle data communication gate, when GPS believes When making an uproar than higher than threshold value set in advance, vehicle data communication gate sends control signal to speaker controller, control and raised Sound device switches to the audio for playing radio；It is described when GPS signal to noise ratio is higher than threshold value set in advance, vehicle data leads to Believe gateway while control caching or the audio program downloaded in audio player pause playout storage, recording played time point, Treat to continue to play next time；The vehicle data communication gate, including modem, router and access point, modem The mobile communications network wireless signal of access is converted to the WIFI wireless signals of WLAN, for multiple wireless terminals simultaneously Shared mobile wireless network.
- 9. the car networking control system based on positional information as claimed in claim 5, it is characterised in that：It is described to be based on car networking Drive recorder is sought in car system, the parking judgment means, is vehicle data communication gate, has OBD communication modules, its It is connected with vehicle OBD interface signals, for reading vehicle motor rotating speed, so that when vehicle motor rotating speed is zero, driving is remembered Position when record instrument is taken pictures and/or recorded video registration of vehicle stops；It is described that car system is sought based on car networking drive recorder Also include vehicle data communication gate, the vehicle data communication gate includes WIFI module, mobile communication module, modulation /demodulation The mobile communications network wireless signal of access is converted to WLAN by device, router and access point, modem WIFI wireless signals, for multiple wireless terminals shared mobile wireless network simultaneously, described d GPS locating module, drive recorder, Terminal has WIFI module, and WLAN communication is used with vehicle data communication gate；The drive recorder, turn in vehicle Take pictures and/or recorded video and/or taken pictures when vehicle motor rotating speed is zero and/or recorded video during curved traveling, by WIFI Module transfer is sent to cloud by the mobile radio telecommunications module of vehicle data communication gate and put down to vehicle data communication gate Platform, and downloaded by terminal in cloud platform to check；When GPS signal to noise ratio is less than threshold value set in advance, vehicle data communication Gateway judges that vehicle drives into underground parking, takes pictures and/or recorded video is named according to shooting time.
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