CN109835262A - The system of vehicle early warning - Google Patents
The system of vehicle early warning Download PDFInfo
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- CN109835262A CN109835262A CN201910270561.6A CN201910270561A CN109835262A CN 109835262 A CN109835262 A CN 109835262A CN 201910270561 A CN201910270561 A CN 201910270561A CN 109835262 A CN109835262 A CN 109835262A
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Abstract
The present invention is suitable for technical field of vehicle safety, provide a kind of system of vehicle early warning, this method comprises: millimetre-wave radar is used to determine warning information according to the traffic information at left and right sides of the rear of vehicle, and warning information is sent to the electronics rearview mirror, electronics rearview mirror shows the warning information, it can solve and drive to be accustomed to due to interior driver in the prior art, often to vehicle rear to carry out vehicle acuity inadequate, or due to by light, weather etc. influences, lead to not find rear danger in time, the problem of so as to cause traffic accident.
Description
Technical field
The invention belongs to technical field of vehicle safety more particularly to a kind of systems of vehicle early warning.
Background technique
With riseing year by year for people's car ownership, the traffic accident that automobile causes also is increasing year by year, by big
The analysis of traffic accident is measured, the initiation of traffic accident is mainly from three big factors: driver factor, vehicle factor and environmental factor.
For vehicle factor, driver is sitting in automobile, has multiple blind areas, and drive to be accustomed to due to interior driver,
Often to vehicle rear to carry out vehicle acuity inadequate, or due to being influenced by light, weather etc., lead to not find rear in time
Danger, so as to cause traffic accident.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of system of vehicle early warning, to solve in the prior art due to vehicle
Interior driver's drives to be accustomed to, often to vehicle rear to carry out vehicle acuity inadequate, or due to being influenced by light, weather etc.,
Lead to not to find rear danger in time, the problem of so as to cause traffic accident.
The first aspect of the embodiment of the present invention provides a kind of system of vehicle early warning, comprising: the milli set on rear of vehicle
Metre wave radar and electronics rearview mirror set on the front of the car；
The millimetre-wave radar, for determining warning information according to the traffic information at left and right sides of the rear of vehicle, and
Warning information is sent to the electronics rearview mirror；
The electronics rearview mirror, for showing the warning information.
In one embodiment, the millimetre-wave radar is connect with the electronics rearview mirror by CAN bus.
In one embodiment, the millimetre-wave radar, for monitoring the traffic information outside the vehicle at left and right sides of rear,
And the collision time of rear car and the vehicle is calculated according to the traffic information monitored；Be less than when the collision time or
When equal to preset threshold, the warning information is generated, the warning information includes the collision time and/or risk identification.
In one embodiment, the millimetre-wave radar includes the first millimetre-wave radar and the second millimetre-wave radar；
First millimetre-wave radar is set to the outer left rear side of vehicle, for monitoring first on the left of the rear of vehicle
Traffic information, and according to the collision time of first traffic information calculating rear car and the vehicle that monitor；It is touched when described
When hitting the time less than or equal to preset threshold, the warning information is generated；
Second millimetre-wave radar is set to the outer right rear side of the vehicle, for monitoring on the right side of the rear of vehicle
Second traffic information, and according to the collision time of second traffic information calculating rear car and the vehicle that monitor；Work as institute
When stating collision time less than or equal to preset threshold, the warning information is generated.
In one embodiment, the electronics rearview mirror includes electronic display and camera；
The electronic display is set to the vehicle Inner Front End, and the camera is set to outside the vehicle；
The camera is for acquiring the road conditions image at left and right sides of rear of vehicle and the road at left and right sides of automobile body
Condition image；
The electronic display is used to show the road conditions image of the warning information and camera acquisition.
In one embodiment, the electronic display includes the first electronic display and the second electronic display, described to take the photograph
As head includes the first camera and second camera；
First electronic display is set on the left of the vehicle Inner Front End；
Second electronic display is set on the right side of the vehicle Inner Front End；
First camera is set to the outer left side of the vehicle, for acquiring the road conditions image and vehicle at vehicle left rear side
Road conditions image on the left of vehicle body；
The second camera is set to the vehicle external right side, for acquiring the road conditions image and vehicle at vehicle right rear side
Road conditions image on the right side of vehicle body.
In one embodiment, first electronic display is set to the left side or right side of steering wheel in the vehicle；
Second electronic display is set in the vehicle and the symmetrical position of the first electronic display, symmetry axis
For vehicle width midpoint line.
In one embodiment, the millimetre-wave radar includes the first millimetre-wave radar and the second millimetre-wave radar；
First electronic display, the warning information sent for showing first millimetre-wave radar, and display
The image of the first camera acquisition；
Second electronic display, the warning information sent for showing second millimetre-wave radar, and display
The image of the second camera acquisition.
In one embodiment, the millimetre-wave radar includes the first millimetre-wave radar and the second millimetre-wave radar；
In one embodiment, the system of the vehicle early warning further includes alarm；
The alarm, the warning information sent for receiving the millimetre-wave radar, according to the warning information
Carry out alarm.
Existing beneficial effect is the embodiment of the present invention compared with prior art: by millimetre-wave radar according to the vehicle
Traffic information at left and right sides of rear determines warning information, and warning information is sent to the electronics rearview mirror, electronic rearview
Mirror shows the warning information, can solve and drives to be accustomed to due to interior driver in the prior art, often to vehicle rear
It is inadequate to carry out vehicle acuity, or due to by the influence such as light, weather, leading to not find rear danger in time, so as to cause
The problem of traffic accident.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the system schematic of vehicle early warning provided by one embodiment of the present invention；
Fig. 2 is the system schematic for the vehicle early warning that another embodiment of the present invention provides；
Fig. 3 is the system schematic for the vehicle early warning that another embodiment of the present invention provides；
Fig. 4 is the system schematic for the vehicle early warning that another embodiment of the present invention provides.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, to understand thoroughly the embodiment of the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention also may be implemented in the other embodiments of details.In other situations, it omits to well-known system, device, electricity
The detailed description of road and method, in case unnecessary details interferes description of the invention.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
Fig. 1 is the schematic diagram of the system of vehicle early warning provided in an embodiment of the present invention, and details are as follows.
The system of the vehicle early warning may include set on the millimetre-wave radar 100 of rear of vehicle and set on the vehicle
The electronics rearview mirror 200 of front end.
The millimetre-wave radar 100, for determining warning information according to the traffic information at left and right sides of the rear of vehicle,
And warning information is sent to the electronics rearview mirror 200；The electronics rearview mirror 200 makes for showing the warning information
Millimetre-wave radar 100 is obtained in conjunction with electronics rearview mirror 200, the warning message of millimetre-wave radar 100 is shown in electronics rearview mirror 200
On, the superiority of electronics rearview mirror 200 can be played, early warning range can also be expanded, improves traffic safety.
Optionally, so-called millimetre-wave radar refers to working frequency range in the radar of millimeter wave frequency band, range measurement principle thunder with
It is sent out up to the same, that is, radio wave or radar wave, then receives echo, mesh is measured according to the time difference between transmitting-receiving
Target position data.Millimetre-wave radar is because that detection accuracy is high, hardware is small in size and not by adverse weather conditions the advantages that is wide
General use.Millimetre-wave radar has accurate distance measurement function, and ranging range is larger, it can be achieved that blind area early warning, lane change assist in advance
Police, crosses the functions such as early warning and rearward collision early warning at early warning of opening the door.
Optionally, the connection type of the millimetre-wave radar 100 and the electronics rearview mirror 200 may include: the milli
Metre wave radar 100 is connect with the electronics rearview mirror 200 by CAN bus.
Optionally, CAN bus technology is the abbreviation of " Controller Area Network BUS technology ", it have it is extremely strong it is anti-interference and
Error correcting capability is used for earliest in the communication of the weapons electronic system such as aircraft, tank, by the sensor throughout automobile body,
The various running datas of automobile can be sent in CAN bus, these data will not specify unique recipient, all to need this
The receiving end of a little data can read the information of needs from CAN bus.
Optionally, the millimetre-wave radar 100, for monitoring the traffic information outside the vehicle at left and right sides of rear, and
The collision time that rear car and the vehicle are calculated according to the traffic information monitored, when the collision time is less than or waits
When preset threshold, the warning information is generated, the warning information includes the collision time and/or risk identification.When touching
When hitting the time greater than preset threshold, it is determined that there is no danger, at this time can be without processing.
Optionally, as shown in Fig. 2, the system of the vehicle early warning, can also include alarm 300；
The alarm 300, the warning information sent for receiving the millimetre-wave radar, believes according to the early warning
Breath carries out alarm.Optionally, alarm can sound an alarm sound or alarm and can be alarmed with flashing indicator light.
Optionally, as shown in figure 3, the millimetre-wave radar 100 includes the first millimetre-wave radar 110 and the second millimeter wave thunder
Up to 120；
First millimetre-wave radar 110 is set to the outer left rear side of vehicle, for monitoring the on the left of the rear of vehicle
One traffic information, and according to the collision time of first traffic information calculating rear car and the vehicle that monitor；When described
When collision time is less than or equal to preset threshold, the warning information is generated；
Second millimetre-wave radar 120 is set to the outer right rear side of the vehicle, for monitoring on the right side of the rear of vehicle
The second traffic information, and calculate according to second traffic information that monitors the collision time of rear car and the vehicle；When
When the collision time is less than or equal to preset threshold, the warning information is generated.
Optionally, as shown in figure 3, the electronics rearview mirror 200 may include electronic display 210 and camera 220.
The electronic display 210 is set to the vehicle Inner Front End, and the camera 220 is set to outside the vehicle, optional
, the camera 220 can be set near vehicle original position of rear view mirror.The camera 220 is for acquiring rear of vehicle
Road conditions image at left and right sides of the road conditions image and automobile body of the left and right sides, i.e. camera 220 can acquire outside vehicle body
The scene of 180 ° of ranges.The electronic display 210 is used to show the road conditions shadow of the warning information and camera acquisition
Picture.
Optionally, as shown in figure 4, the electronic display 210 can also include the first electronic display 211 and the second electricity
Sub- display screen 212, the camera 220 can also include the first camera 221 and second camera 222；
First electronic display 211 is set on the left of the vehicle Inner Front End；Optionally, the first electronic display 211
Any position around steering wheel can be set in vehicle；Optionally, the first electronic display 211 can be set in vehicle
The left side of steering wheel, in order to driver's observation；Optionally, the steering wheel in vehicle can be set in the first electronic display 211
Right side, using vehicle width midpoint line as symmetry axis, on the left of symmetry axis in range, in order to driver's observation.
Second electronic display 212 is set on the right side of the vehicle Inner Front End；Optionally, second electronic display
212 can be set in the vehicle and symmetrical position of the first electronic display, and symmetry axis is vehicle width midpoint line.
First camera 221 is set to the outer left side of the vehicle, for acquire vehicle left rear side road conditions image and
Road conditions image on the left of automobile body；
The second camera 222 is set to the vehicle outside, for acquiring the road conditions image and vehicle at vehicle right rear side
Road conditions image on the right side of vehicle body.
Optionally, two sets of electronics rearview mirrors, i.e. the first electronic display 211 and first are set by the electronics rearview mirror
Camera 221, the second electronic display 212 and second camera 222, are in order to better discriminate between warning information source, faster
It makes a response.First electronic display 211, the warning information sent for showing first millimetre-wave radar 110, with
And the image that display first camera 221 acquires；
Second electronic display 212, the warning information sent for showing second millimetre-wave radar 120, with
And the image that the display second camera 222 acquires.
Optionally, when driver needs to move backward, the first electronic display 211 can be watched attentively, so as to the first electronical display
Screen 211 can show the current traffic information on the left of the rear of vehicle of the first millimetre-wave radar 110 monitoring, or display institute
State the current image of the first camera 221 acquisition.Optionally, driver can control display by the length of fixation time
Traffic information.For example, when driver needs to move backward then needing that the first electronic display 211 is allowed to show the first millimetre-wave radar 110
Current traffic information on the left of the rear of vehicle of monitoring, at this point, driver can watch the first electronic display attentively 2,110 seconds
Time；If driver needs, need that the first electronic display 211 is allowed to show working as the first camera 221 acquisition
Preceding image, at this point, driver can watch 211 five-second period of the first electronic display attentively.Optionally, driver watches electronical display attentively
The length of time of screen 210 can be configured according to demand, herein without limiting.
Optionally, for blind area early warning and early warning is crossed, the first millimetre-wave radar is to blind spot region on the left of rear of vehicle
It is monitored, the second millimetre-wave radar is monitored blind spot region on the right side of rear of vehicle, and left side blind spot region can refer to vehicle
Left side extends the region of 3-4 meters, 5 meters of rear extension, and right side blind spot region refers to that 3-4 meters of vehicle right side extension, rear extend to 5
The region of rice, when left side blind spot region and/or right side blind spot region have vehicle to enter or have vehicle at the same speed shoulder to shoulder when driving, this
When, the first millimetre-wave radar and the second millimetre-wave radar obtain the traffic information at left and right sides of rear of vehicle respectively, and to monitoring
To first traffic information analyzed, calculate rear car and the vehicle collision time；When the collision time is less than
Or when being equal to preset threshold, this explanation is dangerous, determines warning information, and warning information is transferred to the first electronics rearview mirror
And/or second electronics rearview mirror shown.
Optionally, early warning is assisted for lane change, when vehicle carries out lane change, the first millimetre-wave radar and the second millimeter wave thunder
Near field is leaned on by near field, right side up to the left side for monitoring automobile rear respectively, left side can be direction automobile left side by near field
3-4 meters of extension, rear extend to 70 meters of region, and right side can be by near field and be directed toward 3-4 meters of car right side extension, rear is prolonged
Extend to 70 meters of region.When the left side at the first millimetre-wave radar or the second millimetre-wave radar discovery automobile rear by near field or
When thering is vehicle to approach by near field on the right side of person, the collision time of calculating rear car and the vehicle, be less than when the collision time or
When person is equal to preset threshold, this explanation is dangerous, determines warning information, and warning information is transferred to the first electronics rearview mirror
And/or second electronics rearview mirror shown.
Optionally, for enabling early warning, when the speed of vehicle parking or vehicle is reduced to 20km/h or less, the first milli
Metre wave radar monitors the left side enabling danger zone at automobile rear, and the right side that the second millimetre-wave radar monitors automobile rear, which is opened the door, endangers
Danger zone domain, left side enabling danger zone are directed to automobile left side and extend the region that 3-4m, rear extend to 40m, and right side is opened the door danger
Danger zone domain is directed to car right side and extends the region that 3-4m, rear extend to 40m, when being opened left side car door movement, if supervising
Measure left side enabling danger zone have motorcycle, bicycle, pedestrian or motor vehicle close to when, the first millimetre-wave radar will monitor
Warning information pass to the first electronics rearview mirror and shown, opened on the right side of car door movement when, if monitoring right side opening
Door danger zone have motorcycle, bicycle, pedestrian or motor vehicle close to when, the second millimetre-wave radar passes to the information of monitoring
Second electronics rearview mirror is shown.
The system of above-mentioned vehicle early warning is connect with electronics rearview mirror by conducting wire, the millimeter wave by millimetre-wave radar
Warning information for determining warning information according to the traffic information at left and right sides of the rear of vehicle, and is sent to institute by radar
Electronics rearview mirror is stated, the electronics rearview mirror shows the warning information, passes through the system of above-mentioned vehicle early warning, electronics rearview mirror
The current image that can be acquired with real-time display camera, and real-time display warning information, so as to find rear of vehicle in time
Danger, and can also realize blind area early warning, the early warning of lane change auxiliary, open the door and early warning and cross the functions such as early warning, to expand
Early warning range improves traffic safety.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although referring to aforementioned reality
Applying example, invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified
Or replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution should all
It is included within protection scope of the present invention.
Claims (9)
1. a kind of system of vehicle early warning characterized by comprising set on the millimetre-wave radar of rear of vehicle and set on described
The electronics rearview mirror of front of the car；
The millimetre-wave radar, for determining warning information according to the traffic information at left and right sides of the rear of vehicle, and will be pre-
Alert information is sent to the electronics rearview mirror；
The electronics rearview mirror, for showing the warning information.
2. the system of vehicle early warning as described in claim 1, which is characterized in that the millimetre-wave radar and the electronic rearview
Mirror is connected by CAN bus.
3. the system of vehicle early warning as claimed in claim 2, which is characterized in that
The millimetre-wave radar, for monitoring the traffic information outside the vehicle at left and right sides of rear, and according to the institute monitored
State the collision time that traffic information calculates rear car and the vehicle；When the collision time is less than or equal to preset threshold,
The warning information is generated, the warning information includes the collision time and/or risk identification.
4. the system of vehicle early warning as claimed in claim 3, which is characterized in that the millimetre-wave radar includes the first millimeter wave
Radar and the second millimetre-wave radar；
First millimetre-wave radar is set to the outer left rear side of vehicle, for monitoring the first road conditions on the left of the rear of vehicle
Information, and according to the collision time of first traffic information calculating rear car and the vehicle that monitor；When the collision
Between be less than or equal to preset threshold when, generate the warning information；
Second millimetre-wave radar is set to the outer right rear side of the vehicle, for monitoring second on the right side of the rear of vehicle
Traffic information, and according to the collision time of second traffic information calculating rear car and the vehicle that monitor；It is touched when described
When hitting the time less than or equal to preset threshold, the warning information is generated.
5. the system of vehicle early warning as claimed in claim 2, which is characterized in that the electronics rearview mirror includes electronic display
And camera；
The electronic display is set to the vehicle Inner Front End, and the camera is set to outside the vehicle；
The camera is for acquiring the road conditions image at left and right sides of rear of vehicle and the road conditions shadow at left and right sides of automobile body
Picture；
The electronic display is used to show the road conditions image of the warning information and camera acquisition.
6. the system of vehicle early warning as claimed in claim 5, which is characterized in that the electronic display includes the first electronic display
Display screen and the second electronic display, the camera include the first camera and second camera；
First electronic display is set on the left of the vehicle Inner Front End；
Second electronic display is set on the right side of the vehicle Inner Front End；
First camera is set to the outer left side of the vehicle, for acquiring the road conditions image and automobile body at vehicle left rear side
The road conditions image in left side；
The second camera is set to the vehicle external right side, for acquiring the road conditions image and automobile body at vehicle right rear side
The road conditions image on right side.
7. the system of vehicle early warning as claimed in claim 6, which is characterized in that
First electronic display is set to the left side or right side of steering wheel in the vehicle；
Second electronic display is set to the symmetrical position of the first electronic display in the vehicle, and symmetry axis is vehicle
Wide midpoint line.
8. the system of vehicle early warning as claimed in claim 6, which is characterized in that the millimetre-wave radar includes the first millimeter wave
Radar and the second millimetre-wave radar；
First electronic display, the warning information sent for showing first millimetre-wave radar, and described in display
The image of first camera acquisition；
Second electronic display, the warning information sent for showing second millimetre-wave radar, and described in display
The image of second camera acquisition.
9. such as the system of vehicle early warning described in any item of the claim 1 to 8, which is characterized in that the vehicle early warning is
System further includes alarm；
The alarm, the warning information sent for receiving the millimetre-wave radar, carries out according to the warning information
Alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910270561.6A CN109835262A (en) | 2019-04-04 | 2019-04-04 | The system of vehicle early warning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910270561.6A CN109835262A (en) | 2019-04-04 | 2019-04-04 | The system of vehicle early warning |
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| CN109835262A true CN109835262A (en) | 2019-06-04 |
Family
ID=66886857
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| CN201910270561.6A Pending CN109835262A (en) | 2019-04-04 | 2019-04-04 | The system of vehicle early warning |
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| CN115410412A (en) * | 2021-05-27 | 2022-11-29 | 李尔公司 | Motorcycle monitoring system |
| WO2024113912A1 (en) * | 2022-12-02 | 2024-06-06 | 浙江极氪智能科技有限公司 | Control method, control apparatus, vehicle, and storage medium |
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Application publication date: 20190604 |