CN106228849A - A kind of vehicle early warning method and mobile terminal - Google Patents
A kind of vehicle early warning method and mobile terminal Download PDFInfo
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- CN106228849A CN106228849A CN201610693079.XA CN201610693079A CN106228849A CN 106228849 A CN106228849 A CN 106228849A CN 201610693079 A CN201610693079 A CN 201610693079A CN 106228849 A CN106228849 A CN 106228849A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
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Abstract
The present embodiments relate to mobile communication technology field, disclose a kind of vehicle early warning method and mobile terminal, wherein, the method includes: the current driving speed of acquisition vehicle and described vehicle and described vehicle are with the first following distance between the front vehicles in track；Judging whether described current driving speed meets the first corresponding relation preset with the corresponding relation of described first following distance, wherein said the first default corresponding relation includes the following distance that at least one travel speed and at least one travel speed described, each travel speed is corresponding；If judging, described current driving speed is unsatisfactory for described the first default corresponding relation with the corresponding relation of described first following distance, then reduce described current driving speed and send early warning information.Implement the embodiment of the present invention, it is possible to reduce the probability of happening of vehicle rear-end collision accident.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to a kind of vehicle early warning method and mobile terminal.
Background technology
The most when driving, by naked eyes, driver typically judges that the distance with front vehicles carrys out regulation speed.
But, when running into dense fog or the relatively low environment of visibility, driver cannot observe the distance etc. with front vehicles exactly, from
And the speed that cannot draw oneself up in real time and cause higher with the probability of front vehicles generation rear-end collision.
Summary of the invention
The embodiment of the invention discloses a kind of vehicle early warning method and mobile terminal, it is possible to reduce sending out of vehicle rear-end collision accident
Raw probability.
Embodiment of the present invention first aspect discloses a kind of vehicle early warning method, including:
Obtain the current driving speed of vehicle and described vehicle and described vehicle with the between the front vehicles in track
One following distance；
Judge whether described current driving speed meets first preset with the corresponding relation of described first following distance corresponding
Relation, wherein said the first default corresponding relation includes at least one travel speed and at least one travel speed described
The following distance that each travel speed is corresponding；
If judging, the corresponding relation of described current driving speed and described first following distance is unsatisfactory for described default first
Corresponding relation, then reduce described current driving speed and send early warning information.
Embodiment of the present invention second aspect discloses a kind of mobile terminal, including:
Acquiring unit, is used for the front obtaining the current driving speed of vehicle and described vehicle and described vehicle with track
The first following distance between vehicle；
Judging unit, for judging described current driving speed that described acquiring unit obtains and described first following distance
Whether corresponding relation meets the first corresponding relation preset, and wherein said the first default corresponding relation includes that at least one travels
The following distance that in speed and at least one travel speed described, each travel speed is corresponding；
Control unit for vehicle, for judging described current driving speed and described first following distance at described judging unit
When corresponding relation is unsatisfactory for described default first corresponding relation, then reduces described current driving speed and send early warning information.
In the embodiment of the present invention, acquisition for mobile terminal vehicle current driving speed and the car of the front vehicles with same track
Spacing, and when mobile terminal judges that the current driving speed of vehicle and the corresponding relation of following distance are less than the corresponding relation preset
Time then reduce current travel speed and send warning information.Visible, implement the embodiment of the present invention, vehicle can automatically detect
And with the following distance between the front in track, and according to the speed of following distance control self, therefore running into dense fog or visibility
During relatively low environment, reduce because of driver cannot observe exactly with the distance of front vehicles and cause and front vehicles occurs
The probability of rear-end collision.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below by use required in embodiment
Accompanying drawing is briefly described, it should be apparent that, the accompanying drawing in describing below is some embodiments of the present invention, general for this area
From the point of view of logical technical staff, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of a kind of vehicle early warning method disclosed in the embodiment of the present invention；
Fig. 1 (a) is a kind of traffic mark schematic diagram disclosed in the embodiment of the present invention；
Fig. 2 is the structural representation of a kind of mobile terminal disclosed in the embodiment of the present invention；
Fig. 3 be disclosed in the embodiment of the present invention a kind of run above-mentioned application interface changing method based on von Neumann system
Computer system.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments wholely.Based on this
Embodiment in bright, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into the scope of protection of the invention.
It should be noted that the term used in embodiments of the present invention is only merely for the mesh describing specific embodiment
, and it is not intended to be limiting the present invention." one of singulative used in the embodiment of the present invention and appended claims
Kind ", " described " and " being somebody's turn to do " be also intended to include majority form, unless context clearly shows that other implications.It is also understood that this
Any or all possible group that the term "and/or" used in literary composition refers to and comprises one or more project of listing being associated
Close.
The embodiment of the invention discloses a kind of vehicle early warning method and mobile terminal, it is possible to reduce sending out of vehicle rear-end collision accident
Raw probability.It is described in detail individually below.
Referring to Fig. 1, Fig. 1 is the schematic flow sheet of a kind of vehicle early warning method disclosed in the embodiment of the present invention.Such as Fig. 1 institute
Showing, this vehicle early warning method may comprise steps of.
S101, the current driving speed of acquisition for mobile terminal vehicle and this vehicle and this vehicle are with the front vehicles in track
Between the first following distance.
This mobile terminal can refer to increase electronic system and product, such as GPS alignment system, the car of vehicle functions
Combinations etc. a kind of and several in tachymeter, vehicle information system, In-vehicle networking or constant speed cruising system.This first following distance
Can refer to that this vehicle and this vehicle are with the distance between the front vehicles in track.Wherein this front vehicles can refer to same with this vehicle
Track and the vehicle etc. closest in the front that this vehicle travels.
This mobile terminal when this mobile terminal can be such as self to detect this current driving speed and this first following distance
During the combination of GPS status system and vehicle speed measuring instrument, this mobile terminal can be by the current line of vehicle speed measuring instrument detection vehicle
Sailing speed, this mobile terminal can also detect the first current geographical position of vehicle by GPS alignment system and receive and this car
With second geographical position of front vehicles in track, this mobile terminal is according to this first geographical position and this second geographical position
Calculating this vehicle and this vehicle with the first following distance etc. between the front vehicles in track, such as this vehicle detection is to this first ground
Reason position is that receiving this second geographical position is apart from place B 100 at national highway 308 at national highway 308 at the A50 rice of place
At meter, this vehicle can according to built-in off-line map, this first geographical position and this second geographical position calculate this first
Following distance is 200 meters etc..
Or, this mobile terminal can also receive this first following distance of server push.Vehicle can be sent out to server
Sending authentication code, this authentication code includes vehicles identifications, authentication code authentication vehicle sent when server by after get final product and incite somebody to action this
The vehicles identifications of vehicle is registered in this server.Vehicle can be obtained in real time by self built-in system such as GPS alignment system
Taking from the geographical position of body and this geographical position is sent to server in real time, this server stores this geographical position.Therefore, should
Server can store the vehicles identifications of this vehicle and the geographical position of this vehicle, and both one-to-one relationships.As shown in table 1
The vehicles identifications of this server storage vehicle and the corresponding relation in the geographical position of this vehicle.
Table 1
This server can also detect with vehicle automatically with the front vehicles in track, and according to the map, the ground of this vehicle
The geographical position of reason position and this front vehicles calculates first following distance of this vehicle and this front vehicles, and by this first car
Spacing is pushed to this vehicle.Reference table 1, such as vehicle A just at national highway 308 apart from place A 50 meters, server detects currently
Being vehicle B with vehicle A with the front vehicles in track, this server is according to the geographical position (national highway of the Current vehicle B of storage inside
308 distance place B 100 meters) calculate first following distance 200 meters of vehicle A and vehicle B, and by this first following distance 200 meters
It is pushed to vehicle A etc..
S102, this mobile terminal judge whether this current driving speed meets default with the corresponding relation of this first following distance
The first corresponding relation, wherein this first corresponding relation preset include at least one travel speed and this at least one travel
The following distance that in speed, each travel speed is corresponding, if judging the corresponding relation of this current driving speed and this first following distance not
Meet this preset the first corresponding relation, then perform step S103, otherwise then process ends.
Optionally, server may determine that whether this current driving speed meets pre-with the corresponding relation of this first following distance
If the first corresponding relation, if the corresponding relation that this server judges this current driving speed and this first following distance is unsatisfactory for this
The first corresponding relation preset, then this server can send deceleration instruction to this mobile terminal, and this mobile terminal can basis
This deceleration instruction reduces this this current driving speed and sends early warning information.
Wherein, this first corresponding relation preset can be that user presets and is stored in advance in this by user and moves
Terminal or the corresponding relation of this server internal.Such as, as shown in table 2, this first corresponding relation preset can be according to motor-driven
The regulation that car travels on a highway is set.
Table 2
| Following distance s | Travel speed v |
| S > 100 meter | V > 100 kilometer/hour |
| 50 meters < s < 100 meter | V < 100 kilometer/hour |
Such as, when this mobile terminal detects current driving speed v=120 kilometer/hour of this vehicle, this first workshop
Away from s=80 rice, then this mobile terminal may determine that this current driving speed is unsatisfactory for the corresponding relation of this first travel speed
This first corresponding relation etc. preset shown in table 2.
S103, this mobile terminal reduce this current driving speed and send early warning information.
This mobile terminal can carry out early warning by sending voice messaging, such as voice broadcast " your vehicle and front car
Following distance is less, asks slow down ", or alert driver etc. by the seat of vibrations driver.
Optionally, this mobile terminal can also obtain the visibility on this vehicle traveling lane；This mobile terminal judges should
Whether visibility meets the second corresponding relation preset, wherein this second couple preset with the corresponding relation of this current driving speed
The travel speed including that at least one visibility and this at least one visibility, each visibility is corresponding should be related to；If this shifting
Dynamic this visibility of terminal judges is unsatisfactory for this second corresponding relation preset, then this shifting with the corresponding relation of this current driving speed
Dynamic terminal reduces this current driving speed and sends early warning information.
Optionally, this server can also obtain the visibility on this vehicle traveling lane；This server judges that this can be seen
Whether the corresponding relation of degree and this current driving speed meets the second corresponding relation preset, wherein this second corresponding pass preset
System includes the travel speed that at least one visibility and this at least one visibility, each visibility is corresponding；If this server
Judge that this visibility is unsatisfactory for this second corresponding relation preset with the corresponding relation of this current driving speed, then this server can
To send deceleration instruction to this mobile terminal, this mobile terminal can reduce this this current driving speed also according to this deceleration instruction
Send early warning information.
Wherein, this visibility can be an index of reflection atmospheric transparency, and aeronautical chart is defined as having twenty-twenty vision
People can also see the ultimate range of objective contour under weather condition at that time.Wherein, this second corresponding pass preset
System can be the corresponding relation that user preset and be stored in advance in by user this mobile terminal or this server internal.Ratio
As, as shown in table 3, this second corresponding relation preset can set according to the regulation that motor vehicles travels on a highway
Fixed.
Table 3
| Visibility f | Travel speed v |
| …… | …… |
| 200 meters < f < 500 meter | V < 80 kilometer/hour |
| 100 meters < f < 200 meter | V < 60 kilometer/hour |
| …… | …… |
Such as, when mobile terminal detects the visibility f=300 rice on this vehicle traveling lane, this current driving speed v
=90 kilometers/hour, then this mobile terminal may determine that this visibility is unsatisfactory for table 3 with the corresponding relation of this current driving speed
This shown second corresponding relation etc. preset.
Wherein, when this mobile terminal can carry out early warning by sending voice messaging, and such as " you work as by vehicle voice broadcast
Front traveling excessive velocities, asks slow down ", or alert driver etc. by the seat of vibrations driver.Visible, real by this
Execute example and can reduce in the environment that visibility is relatively low, because of driver drive car speed too fast and cause accidents such as knocking into the back send out
Raw probability.
Optionally, this mobile terminal can also judge that this front vehicles is the most slowed down；Should if this mobile terminal judges
Front vehicles is slowed down, then send information.
Wherein, this front vehicles can refer to track same with vehicle and the vehicle closest in the front that this vehicle travels
Deng.This front vehicles can be by the change of the system such as built-in test car speed instrument detection speed, and by the speed that detects
Change is sent to server, if the change of the speed that this server is by receiving judges that this front vehicles is slowed down, then should
Server can send deceleration to this vehicle and inform this vehicle this front vehicles deceleration etc..
This vehicle can pass through voice, such as voice broadcast " your front vehicles is the most slowed down, and asks slow down ", or
Driver is pointed out by the seat etc. of vibrations driver.Visible, implement the present embodiment, it is possible to timely when front vehicles is slowed down
Remind driver, it is to avoid when front vehicles is slowed down driver cause because of absent-minded etc. can not discovering in time accidents such as knocking into the back
Raw.
Optionally, this mobile terminal can also obtain between the Adjacent vehicles of described vehicle traveling lane adjacent lane
Second following distance；This mobile terminal judges that whether described second following distance is less than the following distance threshold value preset；If this mobile terminal
Judge that described second following distance less than described default following distance threshold value, then sends early warning information.
Wherein, this Adjacent vehicles can refer to that the vehicle adjacent with this left and right vehicle wheel, i.e. this Adjacent vehicles can be at this vehicles
Left side or on the right side etc. of this vehicle.In order to avoid the phenomenons such as scratching occur between vehicle and Adjacent vehicles, can set in advance
Put following distance threshold value such as 2m, when this vehicle judges this second following distance less than 2m, then can send voice warning such as " you
The left and right spacing of vehicle is narrow " or vibrations driver seat alert driver etc..
Optionally, this mobile terminal can also obtain the traffic mark on this vehicle traveling lane；And this mobile terminal
This vehicle is controlled according to this traffic mark.
Such as, this traffic mark can as shown in Fig. 1 (a), the traffic mark shown in Fig. 1 (a) can be successively forbid to
Left-hand bend, No right turn, forbid keep straight on and forbid bending to right to the left.When vehicle get have on traveling lane forbid to
During the traffic mark turned left, this vehicle can control not turn left；Or forbid to the right when vehicle gets to have on traveling lane
During the traffic mark turned, this vehicle can control not right-hand rotation etc..
In the method described by Fig. 1, acquisition for mobile terminal vehicle current driving speed and the front car with same track
Following distance, and to judge that the current driving speed of vehicle and the corresponding relation of following distance are less than default right when mobile terminal
Then reduce current travel speed when should be related to and send warning information.Visible, implement the method that Fig. 1 describes, vehicle can be certainly
Detect and with the following distance between the front in track dynamicly, and according to the speed of following distance control self, therefore running into dense fog
Or during the relatively low environment of visibility, reduce and cause and front with the distance of front vehicles because driver cannot observe exactly
The probability of vehicle generation rear-end collision.
Referring to Fig. 2, Fig. 2 is the structural representation of a kind of mobile terminal disclosed in the embodiment of the present invention.Wherein, Fig. 2 institute
The mobile terminal shown may include that
Acquiring unit 201, is used for the front obtaining the current driving speed of vehicle and this vehicle and this vehicle with track
The first following distance between vehicle.
This mobile terminal can refer to increase electronic system and product, such as GPS alignment system, the car of vehicle functions
Combinations etc. a kind of and several in tachymeter, vehicle information system, In-vehicle networking or constant speed cruising system.This first following distance
Can refer to that this vehicle and this vehicle are with the distance between the front vehicles in track.Wherein this front vehicles can refer to same with this vehicle
Track and the vehicle etc. closest in the front that this vehicle travels.
Judging unit 202, is used for judging this current driving speed and this first following distance that this acquiring unit 201 obtains
Whether corresponding relation meets the first corresponding relation preset, and wherein this first corresponding relation preset includes that at least one travels speed
The following distance that in degree and this at least one travel speed, each travel speed is corresponding.
Wherein, this first corresponding relation preset can be that user presets and is stored in advance in this by user and moves
Terminal or the corresponding relation of this server internal.
Control unit for vehicle 203, for judging this current driving speed and this first following distance at this judging unit 202
When corresponding relation is unsatisfactory for this first corresponding relation preset, then reduces this current driving speed and send early warning information.
This mobile terminal can carry out early warning by sending voice messaging, such as voice broadcast " your vehicle and front car
Following distance is less, asks slow down ", or alert driver etc. by the seat of vibrations driver.
Optionally, this acquiring unit 201, it is additionally operable to obtain the visibility on this vehicle traveling lane.
This judging unit 202, is additionally operable to judge this visibility and this current driving speed that this acquiring unit 201 obtains
Whether corresponding relation meets the second corresponding relation preset, and wherein this second corresponding relation preset includes at least one visibility
And the travel speed that in this at least one visibility, each visibility is corresponding.
Wherein, this visibility can be an index of reflection atmospheric transparency, and aeronautical chart is defined as having twenty-twenty vision
People can also see the ultimate range of objective contour under weather condition at that time.Wherein, this second corresponding pass preset
System can be the corresponding relation that user preset and be stored in advance in by user this mobile terminal or this server internal.
This control unit for vehicle 203, is additionally operable to judge this visibility and this current driving speed at this judging unit 202
Corresponding relation is unsatisfactory for this second corresponding relation preset, then reduce this current driving speed and send early warning information.
Wherein, when this mobile terminal can carry out early warning by sending voice messaging, and such as " you work as by vehicle voice broadcast
Front traveling excessive velocities, asks slow down ", or alert driver etc. by the seat of vibrations driver.
Optionally, this judging unit 202, it is additionally operable to judge that this front vehicles is the most slowed down.
This mobile terminal also includes:
Prewarning unit 204, for judging that this front vehicles is slowed down at this judging unit 202, then sends information.
Wherein, this front vehicles can refer to track same with vehicle and the vehicle closest in the front that this vehicle travels
Deng.This front vehicles can be by the change of the system such as built-in test car speed instrument detection speed, and by the speed that detects
Change is sent to server, if the change of the speed that this server is by receiving judges that this front vehicles is slowed down, then should
Server can send deceleration to this vehicle and inform this vehicle this front vehicles deceleration etc..
This vehicle can pass through voice, such as voice broadcast " your front vehicles is the most slowed down, and asks slow down ", or
Driver is pointed out by the seat etc. of vibrations driver.
Optionally, this acquiring unit 201, it is additionally operable to obtain between the Adjacent vehicles of this vehicle traveling lane adjacent lane
The second following distance.
This judging unit 202, is additionally operable to judge that this second following distance that this acquiring unit 201 obtains is whether less than presetting
Following distance threshold value.
This prewarning unit 204, is additionally operable to judge, at this judging unit 202, the following distance that this second following distance is preset less than this
Threshold value, then send early warning information.
Wherein, this Adjacent vehicles can refer to that the vehicle adjacent with this left and right vehicle wheel, i.e. this Adjacent vehicles can be at this vehicles
Left side or on the right side etc. of this vehicle.In order to avoid the phenomenons such as scratching occur between vehicle and Adjacent vehicles, can set in advance
Put following distance threshold value such as 2m, when this vehicle judges this second following distance less than 2m, then can send voice warning such as " you
The left and right spacing of vehicle is narrow " or vibrations driver seat alert driver etc..
Optionally, this acquiring unit 201, it is additionally operable to obtain the traffic mark on this vehicle traveling lane.
This control unit for vehicle 203, is additionally operable to this traffic mark according to this acquiring unit 201 obtains and controls this vehicle.
Such as, this traffic mark can as shown in Fig. 1 (a), the traffic mark shown in Fig. 1 (a) can be successively forbid to
Left-hand bend, No right turn, forbid keep straight on and forbid bending to right to the left.When vehicle get have on traveling lane forbid to
During the traffic mark turned left, this vehicle can control not turn left；Or forbid to the right when vehicle gets to have on traveling lane
During the traffic mark turned, this vehicle can control not right-hand rotation etc..
Visible, implement the mobile terminal that Fig. 2 describes, it is possible to reduce the probability of happening of vehicle rear-end collision accident.
Fig. 3 illustrates a kind of computer system based on von Neumann system 3 running above-mentioned application interface changing method.
This computer system 3 can be smart mobile phone, panel computer, palm PC, the user terminal such as notebook computer or PC
Equipment.Concrete, it may include the outer input interface 1001 that connected by system bus, processor 1002, memorizer 1003 and
Output interface 1004.Wherein, outer input interface 1001 can include touch screen 10016, optionally can also include network interface
10018.Memorizer 1003 can include external memory 10032 (such as hard disk, CD or floppy disk etc.) and built-in storage 10034.Defeated
Outgoing interface 1004 can include the equipment such as display screen 10042 and sound equipment/loudspeaker 10044.
In the present embodiment, the operation of this method is stored in based on computer program, the program file of this computer program
In the external memory 10032 of aforementioned computer system based on von Neumann system 10, operationally it is loaded into built-in storage
In 10034, it is transferred to after being then compiled as machine code in processor 1002 perform, so that based on von Neumann system
Computer system 10 in formed operation in logic monitor module 310, finger print detecting module 320, changing interface module 330,
Force value judge module the 340, first step-length determines that module 350 and the second step-length determine module 360, and cuts at above-mentioned application interface
During method of changing performs, the parameter of input is all received by outer input interface 1001, and is transferred in memorizer 1003 slow
Depositing, be then input in processor 1002 process, the result data of process or be cached in carries out follow-up in memorizer 1003
Ground processes, or is passed to output interface 1004 and exports.
Step in embodiment of the present invention method can carry out order according to actual needs and adjust, merges and delete.
Unit in embodiment of the present invention mobile terminal can merge according to actual needs, divides and delete.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
Completing instructing relevant hardware by program, this program can be stored in a computer-readable recording medium, storage
Medium include read only memory (Read-Only Memory, ROM), random access memory (Random Access Memory,
RAM), programmable read only memory (Programmable Read-only Memory, PROM), erasable programmable is read-only deposits
Reservoir (Erasable Programmable Read Only Memory, EPROM), disposable programmable read only memory (One-
Time Programmable Read-Only Memory, OTPROM), the electronics formula of erasing can make carbon copies read only memory
(Electrically-Erasable Programmable Read-Only Memory, EEPROM), read-only optical disc (Compact
Disc Read-Only Memory, CD-ROM) or other disk storages, disk memory, magnetic tape storage or can
For carrying or store any other medium computer-readable of data.
Above vehicle early warning method a kind of disclosed in the embodiment of the present invention and mobile terminal are described in detail, herein
In apply specific case principle and the embodiment of the present invention be set forth, the explanation of above example is only intended to side
Assistant solves method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art, according to the think of of the present invention
Thinking, the most all will change, in sum, it is right that this specification content should not be construed as
The restriction of the present invention.
Claims (10)
1. a vehicle early warning method, it is characterised in that described method includes:
The current driving speed of acquisition vehicle and described vehicle and described vehicle are with the first car between the front vehicles in track
Spacing；
Judge whether described current driving speed meets the first corresponding relation preset with the corresponding relation of described first following distance,
Wherein said the first default corresponding relation includes at least one travel speed and at least one travel speed described each
The following distance that travel speed is corresponding；
If it is described default first corresponding to judge that described current driving speed is unsatisfactory for the corresponding relation of described first following distance
Relation, then reduce described current driving speed and send early warning information.
Method the most according to claim 1, it is characterised in that described method also includes:
Obtain the visibility on described vehicle traveling lane；
Judge whether described visibility meets the second corresponding relation preset, wherein with the corresponding relation of described current driving speed
Described the second default corresponding relation includes each visibility pair at least one visibility and at least one visibility described
The travel speed answered；
If judging, described visibility is unsatisfactory for described the second default corresponding relation with the corresponding relation of described current driving speed,
Then reduce described current driving speed and send early warning information.
Method the most according to claim 1, it is characterised in that described method also includes:
Judge that described front vehicles is the most slowed down；
If judging, described front vehicles is slowed down, then send information.
Method the most according to claim 1, it is characterised in that described method also includes:
Obtain the second following distance between the Adjacent vehicles of described vehicle traveling lane adjacent lane；
Judge that whether described second following distance is less than the following distance threshold value preset；
If judging, described second following distance less than described default following distance threshold value, then sends early warning information.
Method the most according to claim 1, it is characterised in that described method also includes:
Obtain the traffic mark on described vehicle traveling lane；
Described vehicle is controlled according to described traffic mark.
6. a mobile terminal, it is characterised in that described mobile terminal includes:
Acquiring unit, is used for the front vehicles obtaining the current driving speed of vehicle and described vehicle and described vehicle with track
Between the first following distance；
Judging unit, for judging that the described current driving speed that described acquiring unit obtains is corresponding with described first following distance
Whether relation meets the first corresponding relation preset, and wherein said the first default corresponding relation includes at least one travel speed
And the following distance that in described at least one travel speed, each travel speed is corresponding；
At described judging unit, control unit for vehicle, for judging that described current driving speed is corresponding with described first following distance
When relation is unsatisfactory for described default first corresponding relation, then reduces described current driving speed and send early warning information.
Mobile terminal the most according to claim 6, it is characterised in that described acquiring unit, is additionally operable to obtain described vehicle
Visibility on traveling lane；
Described judging unit, is additionally operable to judge the right of described visibility that described acquiring unit obtains and described current driving speed
Should be related to and whether meet the second corresponding relation preset, wherein said the second default corresponding relation includes at least one visibility
And the travel speed that in described at least one visibility, each visibility is corresponding；
Described control unit for vehicle, is additionally operable to judge the right of described visibility and described current driving speed at described judging unit
Should be related to and be unsatisfactory for described the second default corresponding relation, then reduce described current driving speed and send early warning information.
Mobile terminal the most according to claim 6, it is characterised in that described judging unit, is additionally operable to judge described front
Vehicle the most slows down；
Prewarning unit, for judging that described front vehicles is slowed down at described judging unit, then sends information.
Mobile terminal the most according to claim 6, it is characterised in that described acquiring unit, is additionally operable to obtain and described car
The second following distance between the Adjacent vehicles of traveling lane adjacent lane；
Described judging unit, is additionally operable to judge whether described second following distance that described acquiring unit obtains is less than the workshop preset
Away from threshold value；
Described prewarning unit, is additionally operable to judge that described second following distance is less than described default following distance threshold at described judging unit
Value, then send early warning information.
Mobile terminal the most according to claim 9, it is characterised in that described acquiring unit, is additionally operable to obtain described vehicle
Traffic mark on traveling lane；
Described control unit for vehicle, is additionally operable to the described traffic mark according to described acquiring unit obtains and controls described vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109767621A (en) * | 2019-01-23 | 2019-05-17 | 博识峰云(深圳)信息技术有限公司 | A kind of method and device of road early warning |
| CN110718060A (en) * | 2019-10-11 | 2020-01-21 | 云南师范大学 | A method for calculating the distance between vehicles on expressways |
| CN112837535A (en) * | 2021-03-22 | 2021-05-25 | 北京百度网讯科技有限公司 | Traffic information processing method, device, system, equipment and storage medium |
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