CN106004655A - Early warning method and device for blind spot collision - Google Patents
Early warning method and device for blind spot collision Download PDFInfo
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- CN106004655A CN106004655A CN201610473831.XA CN201610473831A CN106004655A CN 106004655 A CN106004655 A CN 106004655A CN 201610473831 A CN201610473831 A CN 201610473831A CN 106004655 A CN106004655 A CN 106004655A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
- B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
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Abstract
An embodiment of the invention provides an early warning method and device for blind spot collision. The method comprises steps as follows: whether an object exists in a first preset range of a first vehicle and blocks the sight of a user is detected; if the object exists and blocks the sight of the user, whether a second vehicle exists in a second preset range of the first vehicle is detected; if the second vehicle exists, travel information of the second vehicle is obtained; according to the travel information of the second vehicle and travel information of the first vehicle, whether collision danger exists is determined; if the collision danger exists, early warning for collision is given for prompting. With the adoption of the early warning method and device, the collision danger can be predicted and prompted, vehicle collision can be reduced, and thus the travel safety can be improved.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of blind spot anti-collision warning method and device.
Background technology
Along with, after the walking-replacing tool that automobile more and more becomes people, traffic safety is the most increasingly by people
Attention.Therefore, typically by installing whether the mode such as photographic head, radar has vehicle to neighbouring to automobile
Being monitored, car owner notes dodging according to the monitoring prompting of reflection in real time.But the problem of this method exists
In, the region in certain or certain several directions typically can only be monitored by photographic head and radar, and works as vehicle
When turning or be in the situation of vision blind spot, photographic head also shoots the situation less than other vehicles, radar
Monitoring also due to the stop of barrier and the vehicle condition in blind spot field of the unknown cannot be known.So, prison
The white space that do not detects it is possible to the safety of vehicle is produced and threatens, the risk namely collided, from
And, reduce the travel safety of vehicle.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, it is provided that a kind of blind spot anti-collision warning method and dress
Put, to by analyzing running information mutual between mobile unit, it was predicted that risk of collision is also pointed out, and reduces
The generation of vehicle collision, and then improve travel safety.
Embodiments providing a kind of blind spot anti-collision warning method, the method includes:
Whether there is object in detecting the first preset range of the first vehicle and block user's sight line；
If there is object to block user's sight line, then whether deposit in detecting the second preset range of described first vehicle
At the second vehicle；
If there is described second vehicle, then obtain the running information of described second vehicle；
Running information according to described second vehicle and the running information of described first vehicle, it is determined whether deposit
At risk of collision；
If existing, then send anti-collision warning prompting.
Optionally, the running information of described second vehicle of described acquisition includes:
Sending running information to described second vehicle and obtain request, described running information obtains request and is used for indicating
Described second vehicle sends running information to described first vehicle；
Receive the running information that described second vehicle sends.
Optionally, the running information of described second vehicle of described acquisition includes:
Sending running information at least one roadside unit and obtain request, described running information obtains request and is used for
Instruction at least one roadside unit described sends the second car in described second preset range to described first vehicle
Running information；
Receive the running information of described second vehicle that at least one roadside unit described sends.
Optionally, the described running information according to described second vehicle and the running information of described first vehicle,
Determine whether there is risk of collision to include:
According to the running information of described first vehicle, in determining preset duration, described first vehicle estimates driving
Track, according to the running information of described second vehicle, in determining described preset duration, described second vehicle is pre-
Estimate wheelpath；
Wheelpath is estimated according to the first vehicle described in described preset duration and described second vehicle, it is judged that
It is overlapping whether wheelpath is estimated in existence；
If existing, it is determined that there is risk of collision.
Optionally, whether have object to block user's sight line in described detection the first preset range to include:
Whether there is object in detecting described first preset range by infrared ray sensor and/or photographic head to block
User's sight line.
Accordingly, the embodiment of the present invention additionally provides a kind of blind spot collision warning device, and this device includes:
Whether first detection module, exist object in the first preset range of detection the first vehicle and block use
Family sight line；
Second detection module, if blocking user's sight line for there is object, then detects the of described first vehicle
The second vehicle whether is there is in two preset range；
Acquisition module, if for there is described second vehicle, then obtaining the running information of described second vehicle；
Collision judgment module, for the running information according to described second vehicle and the row of described first vehicle
Car information, it is determined whether there is risk of collision；
Reminding module, if for existing, then sends anti-collision warning prompting.
Optionally, described acquisition module is used for:
Sending running information to described second vehicle and obtain request, described running information obtains request and is used for indicating
Described second vehicle sends running information to described first vehicle；
Receive the running information that described second vehicle sends.
Optionally, described acquisition module is used for:
Sending running information at least one roadside unit and obtain request, described running information obtains request and is used for
Instruction at least one roadside unit described sends the second car in described second preset range to described first vehicle
Running information；
Receive the running information of described second vehicle that at least one roadside unit described sends.
Optionally, described collision judgment module is used for:
According to the running information of described first vehicle, in determining preset duration, described first vehicle estimates driving
Track, according to the running information of described second vehicle, in determining described preset duration, described second vehicle is pre-
Estimate wheelpath；
Wheelpath is estimated according to the first vehicle described in described preset duration and described second vehicle, it is judged that
It is overlapping whether wheelpath is estimated in existence；
If existing, it is determined that there is risk of collision.
Optionally, described first detection module is used for:
Whether there is object in detecting described first preset range by infrared ray sensor and/or photographic head to block
User's sight line.
The embodiment of the present invention blocks user's sight line, if depositing by whether there is object in detecting the first preset range
Block user's sight line at object, then whether there is the second car in detecting the second preset range of described first vehicle
, if there is described second vehicle, then obtain the running information of described second vehicle, according to described second car
Running information and the running information of described first vehicle, it is determined whether there is risk of collision, if exist,
Then send anti-collision warning prompting, the generation of vehicle collision can be reduced, and then improve travel safety.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out 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 blind spot anti-collision warning method in the embodiment of the present invention；
Fig. 2 is the structural representation of a kind of blind spot collision warning device in the embodiment of the present invention；
Fig. 3 is the structural representation of another kind of blind spot collision warning device in the embodiment of the present invention；
Fig. 4 is the example schematic diagram of a kind of blind-spot detection in the embodiment of the present invention；
Fig. 5 is the wheelpath example schematic diagram of a kind of collision judgment in the embodiment of the present invention；
Fig. 6 is the wheelpath example schematic diagram of another kind of collision judgment in the embodiment of the present invention.
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 clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
Fig. 1 is the schematic flow sheet of a kind of blind spot anti-collision warning method, this method flow process in the embodiment of the present invention
Can be implemented by blind spot collision warning device, described blind spot collision warning device can be user terminal or operation
At the software program of user terminal, described user terminal can include mobile unit etc..Board units (OBU,
On Board Unit), the namely mobile unit in the embodiment of the present invention, is to use DSRC technology, with
RSU and server carry out the device of communication, are typically mounted in vehicle, obtain the data of vehicle, and
And carry out data transmit-receive with the mobile unit of server, roadside unit and other vehicles.
The most described method at least includes:
Whether step S101, exist object in detecting the first preset range of the first vehicle and block user's sight line.
Concrete, the first preset range is a default regional extent, can be to be with a predeterminable range
Linear extent of the circle of radius, ellipse, sector or a predeterminable range etc., here, first presets
Scope can be that user oneself is set in advance, it is also possible to is mobile unit default setting, it is also possible to be car
Load equipment adjusts after being analyzed according to the driving custom of user, is not especially limited here.First car
Refer to the vehicle at current mobile unit place.
In the present embodiment, mobile unit can detect whether to exist object in several ways and blocks user and regard
Line, if testing result determines that there is object blocks user's sight line, then illustrate that vehicle is currently in certain direction
On be in the vision blind spot of user in the range of.It should be noted that blind spot district described in the embodiment of the present invention
Territory, i.e. can refer to that vision blind spot described in biology causes the invisible region of user, it is also possible to be considered
The region that barrier has blocked a certain panel region and caused user to see.
Specifically, vehicle can be installed the plurality of devices such as radar, photographic head, infrared ray sensor to examine
Whether there is object in surveying the first preset range and block user's sight line, mobile unit can be set by any of which
Whether the combination of the data of the data of standby detection or the detection of several equipment, deposit in determining the first preset range
User's sight line is blocked at object.
Such as, when detecting whether that there is object blocks user's sight line by photographic head, mobile unit can root
May in prestoring at least one first preset range according to data such as the vehicle of user, vehicle seat position, heights
Causing object to block the image of user's sight line or characteristic in data base, mobile unit can obtain in real time
Take image information or the video information of the shooting of this photographic head, the image got when mobile unit with preset
At least one is likely to result in object and blocks in the images match of user's sight line, or the image information collected
Characteristic is likely to result in object and blocks the characteristic of user's sight line and mate with at least one, then the most permissible
Think, there is object in the first preset range and block user's sight line.As shown in Figure 4, it is the curved of a hill path
Road scene, if a characteristic in the image set in the first preset range photographed is as large area
Barrier accounts for more than the 1/3 of whole image, there is object and block user's sight line in determining that the first preset range,
If the image range of photographic head current shooting is as shown in the sector region in Fig. 4, then the a-quadrant in Fig. 4
I.e. it is believed that account for more than the 1/3 of whole image, there is object in the i.e. first preset range and block user's sight line.
The most such as, when detecting whether that there is object blocks user's sight line by infrared inductor, it is also possible to
If the barrier area that setting infrared inductor senses reaches a certain area threshold, it is considered as first
There is object in preset range and block user's sight line.The most as shown in Figure 4, if what current infrared induction arrived
The a-quadrant of barrier area such as Fig. 4, has exceeded the area threshold preset, then it is believed that first presets
In the range of there is object and block user's sight line.
Step S102, if there is object to block user's sight line, then detect described first vehicle second presets model
The second vehicle whether is there is in enclosing.
Concrete, similar to the first preset range, the second preset range can be to be with a predeterminable range
Linear extent of the circle of radius, ellipse, sector or a predeterminable range etc., here, second presets
Scope can be that user oneself is set in advance, it is also possible to is mobile unit default setting, it is also possible to be car
Load equipment adjusts after being analyzed according to the driving custom of user, is not especially limited here.Need
Bright, the first preset range can be more than, less than or equal to the second preset range here, it is preferred that
Second preset range is more than less than preset range.
In the present embodiment, after determining user's sight line and being obscured by an object, mobile unit can detect
Whether there is the second vehicle in second preset range, wherein the second vehicle can be that at least one is preset second
In the range of all vehicles of travelling, it is also possible to be the car that distance the first vehicle distances is nearest in the second preset range
, it is also possible to it is to meet other pre-conditioned vehicles, is not especially limited here.
Specifically, during detection, the mobile unit of the first vehicle can be by the second preset range
Interior vehicle sends position requests, can send each car to the first vehicle after other vehicle receiver to this request
Current positional information, thus user may determine whether the second vehicle, if not receiving other cars
Send positional information, then it is believed that there is not the second vehicle in the second preset range.On the other hand,
The mobile unit of the first vehicle directly can also send back and should ask by the vehicle in the second preset range, if
Receive the response of other vehicles, then just it is believed that there is the second vehicle in the second preset range.
Step S103, if there is described second vehicle, then obtains the running information of described second vehicle.
Concrete, running information can include the positional information of vehicle, acceleration information, velocity information and
At least one in the information such as travel direction information, this information can be by the mobile unit of the second vehicle itself
Measure, it is also possible to measured by roadside unit, be not especially limited here.
Optionally, the method for the running information that the mobile unit of the first vehicle obtains the second vehicle can be following
Any one in acquisition mode:
Mode one: send running information to described second vehicle and obtain request, running information obtains request and is used for
Indicating the second vehicle to send running information to the first vehicle, the mobile unit of the first vehicle receives the second vehicle and sends out
The running information sent.Specifically, the mobile unit of the second vehicle can be with timing acquisition vehicle
Running information, when receiving the running information acquisition request that the first vehicle sends, just by the row of final updating
Car information is sent to the first vehicle, and the first vehicle can obtain the running information of the second vehicle.
Mode two: sending running information at least one roadside unit and obtain request, running information obtains request
For indicating at least one roadside unit to send the second vehicle in the second preset range to described first vehicle
Running information, the mobile unit of the first vehicle receives described second vehicle of at least one roadside unit transmission
Running information.Specifically, roadside unit (RSU, english abbreviation Road Side Unit), it is arranged on road
Side, use DSRC technology (DSRC, Dedicated Short Range Communication) with
Board units (OBU, On Board Unit) or server carry out the device of communication, such as camera probe,
As long as the roadside equipment that street lamp, direction board etc. possess above-mentioned communication function can serve as roadside unit.Road
Limit unit can analyze the running information of the second vehicle by obtaining the road map picture etc. of the second vehicle, also
Can by receive second vehicle send running information be collected, therefore the first vehicle can by
At least one roadside unit around sends driving and obtains request, and wherein request can carry the car of the first vehicle
The mark of load equipment, roadside unit receives after driving obtains request, will transfer the second vehicle of collecting
Running information, is then sent to according to the mark of the first vehicle on-board equipment by the running information of the second vehicle
One vehicle.Wherein, mobile unit mark may be used for identifying the mobile unit of the request of transmission, can be mac
Address, IP address, Bluetooth address, EIC equipment identification code or license plate number etc., be not specifically limited here.
Step S104, according to running information and the running information of described first vehicle of described second vehicle,
Determine whether there is risk of collision.
Concrete, after the mobile unit of the first vehicle gets the running information of the second vehicle, can be the most real
Time obtain self running information, according to the first vehicle and the running information of the second vehicle, it may be judged whether both
Between there is risk of collision.
Specifically, it may be judged whether the method that there is risk of collision can have multiple.Such as, mobile unit can
With according to the second vehicle and the positional information of the first vehicle, if the relative distance of the first vehicle and the second vehicle is more
Come the nearest, and when reaching default distance threshold, it is believed that there is collision danger in the first vehicle and the second vehicle
Danger.The most such as, according to the second vehicle and the speed of the first vehicle, acceleration, travel direction and present bit
Put, it can be determined that the position that the first vehicle and the prediction of the second vehicle arrive in preset duration, according to the first car
Predict, with the second vehicle, the position that reaches, it is judged that whether the first vehicle and the second vehicle can reach same position,
The most then it is believed that there is risk of collision.
In the implementation that some are possible, mobile unit can according to the running information of described first vehicle,
In determining preset duration described first vehicle estimate wheelpath, according to the running information of described second vehicle,
In determining described preset duration, described second vehicle estimates wheelpath.
Concrete, mobile unit can obtain the travel direction of self, acceleration, speed and current in real time
Position, according to acceleration and the real-time change of speed of the first vehicle, in conjunction with current location and travel direction,
The position that in depicting preset duration, the prediction of each time the first vehicle arrives, according to the company of multiple predicted positions
Line, that determines the first vehicle in preset duration estimates wheelpath；In like manner, mobile unit can also root
According to the running information of the second vehicle, determine the second vehicle in preset duration estimates wheelpath.
Wheelpath is estimated according to the first vehicle described in described preset duration and described second vehicle, it is judged that
It is overlapping whether wheelpath is estimated in existence, if existing, it is determined that there is risk of collision.
Concrete, mobile unit prediction obtain the first vehicle and the second vehicle estimate wheelpath after, permissible
Judge the first vehicle and the second vehicle estimates whether wheelpath exists overlap, if it is present, permissible
Determine and there is risk of collision.Illustrate, as it is shown in figure 5, set wheelpath A and wheelpath B difference
Be the first vehicle estimate wheelpath and the second vehicle estimate wheelpath, in the sight shown in Fig. 5,
Wheelpath A and wheelpath B do not have overlap, then in preset duration, the first vehicle and second
Vehicle may be considered and there is not risk of collision.And in sight as indicated with 6, wheelpath A and row
There is overlap in wheel paths B, it is believed that is likely to touch at lap the first vehicle and the second vehicle
Hit, thus may determine that there is risk of collision.
Step S105, if existing, then sends anti-collision warning prompting.
Concrete, after mobile unit determines the first vehicle and the second vehicle exists risk of collision, the most permissible
By voice, word, glisten, vibrate, the various ways such as handset call sends to the user of the first vehicle and to touch
Hit early warning.Further, it is also possible to send anti-collision warning prompting to the second vehicle.
Specifically, anti-collision warning prompting can be only that prompting user front exists risk of collision；Anti-collision warning
Prompting can also be include it may happen that collide position, the information (such as, license plate number) etc. of the second vehicle
Information, thus preferably prompting user notes dodging；Anti-collision warning prompting can also is that and includes how to avoid touching
The driving strategy hit, thus user can change the speed of oneself, direction of traffic according to driving strategy or stop
Car wait etc..
The embodiment of the present invention blocks user's sight line, if depositing by whether there is object in detecting the first preset range
Block user's sight line at object, then whether there is the second car in detecting the second preset range of described first vehicle
, if there is described second vehicle, then obtain the running information of described second vehicle, according to described second car
Running information and the running information of described first vehicle, it is determined whether there is risk of collision, if exist,
Then send anti-collision warning prompting, the generation of vehicle collision can be reduced, and then improve travel safety.
Fig. 2 is the structural representation of a kind of blind spot collision warning device in the embodiment of the present invention, and this device includes:
Whether first detection module 210, exist object in the first preset range of detection the first vehicle and block
User's sight line.
Concrete, the first preset range is a default regional extent, can be to be with a predeterminable range
Linear extent of the circle of radius, ellipse, sector or a predeterminable range etc., here, first presets
Scope can be that user oneself is set in advance, it is also possible to is mobile unit default setting, it is also possible to be car
Load equipment adjusts after being analyzed according to the driving custom of user, is not especially limited here.First car
Refer to the vehicle at current mobile unit place.
In the present embodiment, first detection module 210 can detect whether that there is object hides in several ways
Gear user's sight line, if testing result determines that there is object blocks user's sight line, then illustrate that vehicle currently exists
In the range of being in the vision blind spot of user on certain direction.It should be noted that it is described in the embodiment of the present invention
Blind spot region, i.e. can refer in biology that described vision blind spot causes the invisible region of user, it is possible to
Block a certain panel region and the region that causes user to see being considered barrier.
Specifically, vehicle can be installed the plurality of devices such as radar, photographic head, infrared ray sensor to examine
Whether there is object in surveying the first preset range and block user's sight line, first detection module 210 can pass through it
The combination of the data of the data of middle any appliance detection or the detection of several equipment, determines the first preset range
The most whether there is object and block user's sight line.
Second detection module 220, if blocking user's sight line for there is object, then detects described first vehicle
The second vehicle whether is there is in second preset range.
Concrete, similar to the first preset range, the second preset range can be to be with a predeterminable range
Linear extent of the circle of radius, ellipse, sector or a predeterminable range etc., here, second presets
Scope can be that user oneself is set in advance, it is also possible to is mobile unit default setting, it is also possible to be car
Load equipment adjusts after being analyzed according to the driving custom of user, is not especially limited here.Need
Bright, the first preset range can be more than, less than or equal to the second preset range here, it is preferred that
Second preset range is more than less than preset range.
In the present embodiment, after determining user's sight line and being obscured by an object, the second detection module 220
Whether there is the second vehicle in can detecting the second preset range, wherein the second vehicle can be at least one
The all vehicles travelled in second preset range, it is also possible to be distance the first vehicle distances in the second preset range
Nearest vehicle, it is also possible to be to meet other pre-conditioned vehicles, be not especially limited here.
Specifically, during detection, the second detection module 220 can be by the second preset range
Vehicle send position requests, after other vehicle receiver to this request can to first vehicle transmission each vehicle
Current positional information, thus user may determine whether the second vehicle, if not receiving other vehicles
The positional information sent, then it is believed that there is not the second vehicle in the second preset range.On the other hand,
Two detection modules 220 directly can also send back and should ask by the vehicle in the second preset range, if received
Response to other vehicles, then just it is believed that there is the second vehicle in the second preset range.
Acquisition module 230, if for there is described second vehicle, then obtaining the running information of described second vehicle.
Concrete, running information can include the positional information of vehicle, acceleration information, velocity information and
At least one in the information such as travel direction information, this information can be by the acquisition module of the second vehicle itself
230 measure, it is also possible to measured by roadside unit, be not especially limited here.
Optionally, described acquisition module 230 is used for:
Sending running information to described second vehicle and obtain request, described running information obtains request and is used for indicating
Described second vehicle sends running information to described first vehicle；Receive the driving letter that described second vehicle sends
Breath.
Sending running information to described second vehicle and obtain request, running information obtains request for instruction second
Vehicle sends running information acquisition module 230 to the first vehicle and receives the running information that the second vehicle sends.
Specifically, the mobile unit of the second vehicle can be with the running information of timing acquisition vehicle, when receiving
When the running information that first vehicle sends obtains request, just the running information of final updating is sent to the first car
, acquisition module 230 can obtain the running information of the second vehicle.
Optionally, described acquisition module 230 is used for:
Sending running information at least one roadside unit and obtain request, described running information obtains request and is used for
Instruction at least one roadside unit described sends the second car in described second preset range to described first vehicle
Running information；Receive the running information of described second vehicle that at least one roadside unit described sends.
Sending running information at least one roadside unit and obtain request, running information obtains request and is used for indicating
At least one roadside unit sends the running information of the second vehicle in the second preset range to described first vehicle,
Acquisition module 230 receives the running information of described second vehicle that at least one roadside unit sends.Concrete next
Say that roadside unit (RSU, english abbreviation Road Side Unit) is arranged on trackside, uses special short distance
Communication technology (DSRC, Dedicated Short Range Communication) and board units (OBU,
On Board Unit) or server carry out the device of communication, such as camera probe, street lamp, direction board etc.
As long as the roadside equipment possessing above-mentioned communication function can serve as roadside unit.Roadside unit can be by obtaining
The road map picture etc. taking the second vehicle analyzes the running information of the second vehicle, it is also possible to by receiving second
The running information that vehicle sends is collected, and therefore acquisition module 230 can be by peripherad at least one
Individual roadside unit sends driving and obtains request, wherein asks to carry the mark of the mobile unit of the first vehicle,
After roadside unit receives driving acquisition request, the running information of the second vehicle collected will be transferred, then
The running information of the second vehicle is sent to the first vehicle by the mark according to the first vehicle on-board equipment.Wherein,
Mobile unit mark may be used for identify send request mobile unit, can be mac address, IP address,
Bluetooth address, EIC equipment identification code or license plate number etc., be not specifically limited here.
Collision judgment module 240, for according to the running information of described second vehicle and described first vehicle
Running information, it is determined whether there is risk of collision.
Concrete, after getting the running information of the second vehicle, collision judgment module 240 can the most in real time
Obtain the running information of self, according to the first vehicle and the running information of the second vehicle, it may be judged whether both it
Between there is risk of collision.
Specifically, collision judgment module 240 judges whether that the method for risk of collision can have multiple.
Such as, collision judgment module 240 can according to the second vehicle and the positional information of the first vehicle, if the first car
And the relative distance of the second vehicle increasingly nearer, and when reaching default distance threshold, it is believed that first
There is risk of collision in vehicle and the second vehicle.The most such as, collision judgment module 240 is according to the second vehicle and
The speed of one vehicle, acceleration, travel direction and current location, it can be determined that in preset duration first
The position that vehicle and the prediction of the second vehicle arrive, predicts, according to the first vehicle and the second vehicle, the position reached,
Judge whether the first vehicle and the second vehicle can reach same position, the most then it is believed that there is collision danger
Danger.
Optionally, described collision judgment module 240 is used for:
According to the running information of described first vehicle, in determining preset duration, described first vehicle estimates driving
Track, according to the running information of described second vehicle, in determining described preset duration, described second vehicle is pre-
Estimate wheelpath.
Concrete, collision judgment module 240 can obtain the travel direction of self, acceleration, speed in real time
And current location, according to acceleration and the real-time change of speed of the first vehicle, in conjunction with current location and row
Sailing direction, the position that in depicting preset duration, the prediction of each time the first vehicle arrives, according to multiple predictions
The line of position, that determines the first vehicle in preset duration estimates wheelpath；In like manner, collision judgment
Module 240 can also be according to the running information of the second vehicle, and determine the second vehicle in preset duration estimates row
Wheel paths.
Wheelpath is estimated according to the first vehicle described in described preset duration and described second vehicle, it is judged that
It is overlapping whether wheelpath is estimated in existence；If existing, it is determined that there is risk of collision.
Concrete, what collision judgment module 240 prediction obtained the first vehicle and the second vehicle estimates wheelpath
After, it can be determined that the first vehicle and the second vehicle estimate whether wheelpath exists overlap, if it does,
So may determine that and there is risk of collision.Illustrate, as it is shown in figure 5, set wheelpath A and driving rail
Mark B the respectively first vehicle estimate wheelpath and the second vehicle estimate wheelpath, shown in Fig. 5
Sight in, wheelpath A and wheelpath B do not have overlap, then in preset duration, first
Vehicle and the second vehicle may be considered and there is not risk of collision.And in sight as indicated with 6, driving
There is overlap in track A and wheelpath B, collision judgment module 240 is it is believed that at lap the first car
And the second vehicle be likely to collide, thus may determine that there is risk of collision.
Reminding module 250, if for existing, then sends anti-collision warning prompting.
Concrete, after determining the first vehicle and the second vehicle exists risk of collision, reminding module 250 is then
Can pass through voice, word, glisten, vibrate, the various ways such as handset call is sent out to the user of the first vehicle
Go out anti-collision warning prompting.Further, it is also possible to send anti-collision warning prompting to the second vehicle.
Specifically, anti-collision warning prompting can be only that prompting user front exists risk of collision；Anti-collision warning
Prompting can also be include it may happen that collide position, the information (such as, license plate number) etc. of the second vehicle
Information, thus preferably prompting user notes dodging；Anti-collision warning prompting can also is that and includes how to avoid touching
The driving strategy hit, thus user can change the speed of oneself, direction of traffic according to driving strategy or stop
Car wait etc..
The embodiment of the present invention blocks user's sight line, if depositing by whether there is object in detecting the first preset range
Block user's sight line at object, then whether there is the second car in detecting the second preset range of described first vehicle
, if there is described second vehicle, then obtain the running information of described second vehicle, according to described second car
Running information and the running information of described first vehicle, it is determined whether there is risk of collision, if exist,
Then send anti-collision warning prompting, the generation of vehicle collision can be reduced, and then improve travel safety.
Fig. 3 is the structural representation of another kind of blind spot collision warning device in the embodiment of the present invention, such as Fig. 3 institute
Showing, this device includes processor 31, memorizer 32 and communication interface 33.Processor 31 is connected to storage
Device 32 and communication interface 33, such as processor 31 can be connected to memorizer 32 and communication interface by bus
33。
Processor 31 is configured to support that blind spot collision warning device performs corresponding function in said method.Should
Processor 31 can be central processing unit (English: central processing unit, CPU), network processes
Device (English: network processor, NP), hardware chip or its combination in any.Above-mentioned hardware chip
Can be special IC (English: application-specific integrated circuit, ASIC), can compile
Journey logical device (English: programmable logic device, PLD) or a combination thereof.Above-mentioned PLD can
To be CPLD (English: complex programmable logic device, CPLD),
Field programmable gate array (English: field-programmable gate array, FPGA), general battle array
Row logic (English: generic array logic, GAL) or its combination in any.
Store 32 memorizeies for storing running information etc..Memorizer 32 can include volatile memory (English
Literary composition: volatile memory), such as random access memory (English: random-access memory, contracting
Write: RAM)；Memorizer 32 can also include nonvolatile memory (English: non-volatile memory),
Such as read only memory (English: read-only memory, abbreviation: ROM), flash memory (English:
Flash memory), hard disk (English: hard disk drive, abbreviation: HDD) or solid state hard disc (English:
Solid-state drive, abbreviation: SSD)；Memorizer 32 can also include the combination of the memorizer of mentioned kind.
Communication interface 33 is used for and the equipment wireless connections such as mobile unit, roadside unit.
Processor 31 can perform following operation:
Whether there is object in detecting the first preset range of the first vehicle and block user's sight line；If there is object
Block user's sight line, then whether there is the second vehicle in detecting the second preset range of described first vehicle；If
There is described second vehicle, then obtained the running information of described second vehicle by communication interface 33；According to institute
State running information and the running information of described first vehicle of the second vehicle, it is determined whether there is risk of collision；
If existing, then send anti-collision warning prompting.
Optionally, processor 31 is used for:
Sending running information by communication interface 33 to described second vehicle and obtain request, described running information obtains
The request that takes is for indicating described second vehicle to send running information to described first vehicle；By communication interface 33
Receive the running information that described second vehicle sends.
Optionally, processor 31 is used for:
Send running information by communication interface 33 at least one roadside unit and obtain request, described driving letter
Breath acquisition request is used for indicating at least one roadside unit described to send described second to described first vehicle and presets
In the range of the running information of the second vehicle；Receive at least one roadside unit described by communication interface 33 to send out
The running information of described second vehicle sent.
Optionally, processor 31 is used for:
According to the running information of described first vehicle, in determining preset duration, described first vehicle estimates driving
Track, according to the running information of described second vehicle, in determining described preset duration, described second vehicle is pre-
Estimate wheelpath；Driving rail is estimated according to the first vehicle described in described preset duration and described second vehicle
Mark, it may be judged whether exist and estimate wheelpath overlap；If existing, it is determined that there is risk of collision.
Optionally, processor 31 is used for:
Whether there is object in detecting described first preset range by infrared ray sensor and/or photographic head to block
User's sight line.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method,
Can be by computer program and complete to instruct relevant hardware, described program can be stored in a calculating
In machine read/write memory medium, this program is upon execution, it may include such as the flow process of the embodiment of above-mentioned each method.
Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory,
Or random store-memory body (Random Access Memory, RAM) etc. ROM).
Above disclosed be only present pre-ferred embodiments, certainly can not with this limit the present invention it
Interest field, the equivalent variations therefore made according to the claims in the present invention, still belong to the scope that the present invention is contained.
Claims (10)
1. a blind spot anti-collision warning method, it is characterised in that described method includes:
Whether there is object in detecting the first preset range of the first vehicle and block user's sight line；
If there is object to block user's sight line, then whether deposit in detecting the second preset range of described first vehicle
At the second vehicle；
If there is described second vehicle, then obtain the running information of described second vehicle；
Running information according to described second vehicle and the running information of described first vehicle, it is determined whether deposit
At risk of collision；
If existing, then send anti-collision warning prompting.
Method the most according to claim 1, it is characterised in that the row of described second vehicle of described acquisition
Car information includes:
Sending running information to described second vehicle and obtain request, described running information obtains request and is used for indicating
Described second vehicle sends running information to described first vehicle；
Receive the running information that described second vehicle sends.
Method the most according to claim 1, it is characterised in that the row of described second vehicle of described acquisition
Car information includes:
Sending running information at least one roadside unit and obtain request, described running information obtains request and is used for
Instruction at least one roadside unit described sends the second car in described second preset range to described first vehicle
Running information；
Receive the running information of described second vehicle that at least one roadside unit described sends.
4. according to the either method described in claim 1-3, it is characterised in that described according to described second car
Running information and the running information of described first vehicle, it is determined whether there is risk of collision and include:
According to the running information of described first vehicle, in determining preset duration, described first vehicle estimates driving
Track, according to the running information of described second vehicle, in determining described preset duration, described second vehicle is pre-
Estimate wheelpath；
Wheelpath is estimated according to the first vehicle described in described preset duration and described second vehicle, it is judged that
It is overlapping whether wheelpath is estimated in existence；
If existing, it is determined that there is risk of collision.
Method the most according to claim 1, it is characterised in that in described detection the first preset range be
No have object to block user's sight line to include:
Whether there is object in detecting described first preset range by infrared ray sensor and/or photographic head to block
User's sight line.
6. a blind spot collision warning device, it is characterised in that described device includes:
Whether first detection module, exist object in the first preset range of detection the first vehicle and block use
Family sight line；
Second detection module, if blocking user's sight line for there is object, then detects the of described first vehicle
The second vehicle whether is there is in two preset range；
Acquisition module, if for there is described second vehicle, then obtaining the running information of described second vehicle；
Collision judgment module, for the running information according to described second vehicle and the row of described first vehicle
Car information, it is determined whether there is risk of collision；
Reminding module, if for existing, then sends anti-collision warning prompting.
Device the most according to claim 6, it is characterised in that described acquisition module is used for:
Sending running information to described second vehicle and obtain request, described running information obtains request and is used for indicating
Described second vehicle sends running information to described first vehicle；
Receive the running information that described second vehicle sends.
Device the most according to claim 6, it is characterised in that described acquisition module is used for:
Sending running information at least one roadside unit and obtain request, described running information obtains request and is used for
Instruction at least one roadside unit described sends the second car in described second preset range to described first vehicle
Running information；
Receive the running information of described second vehicle that at least one roadside unit described sends.
9. according to any device described in claim 6-8, it is characterised in that described collision judgment module is used
In:
According to the running information of described first vehicle, in determining preset duration, described first vehicle estimates driving
Track, according to the running information of described second vehicle, in determining described preset duration, described second vehicle is pre-
Estimate wheelpath；
Wheelpath is estimated according to the first vehicle described in described preset duration and described second vehicle, it is judged that
It is overlapping whether wheelpath is estimated in existence；
If existing, it is determined that there is risk of collision.
Device the most according to claim 6, it is characterised in that described first detection module is used for:
Whether there is object in detecting described first preset range by infrared ray sensor and/or photographic head to block
User's sight line.
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