CN104401256B - Control the method and device of vehicle early warning - Google Patents
Control the method and device of vehicle early warning Download PDFInfo
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- CN104401256B CN104401256B CN201410558922.4A CN201410558922A CN104401256B CN 104401256 B CN104401256 B CN 104401256B CN 201410558922 A CN201410558922 A CN 201410558922A CN 104401256 B CN104401256 B CN 104401256B
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Abstract
The invention discloses a kind of method and device controlling vehicle early warning, belong to field of automobile control.Described method includes: the kinestate of detection vehicle；If the state of described vehicle meets default early-warning conditions, then confirm whether target area exists barrier according to radar signal；If described target area exists barrier, then detect the kinestate of described barrier；According to the kinestate of described barrier, the source of early warning controlling to specify in described vehicle sends early warning signal.The present invention by when detecting that vehicle meets default early-warning conditions, confirms whether to exist in target area barrier, and the source of early warning specified in kinestate control vehicle according to the barrier detected when there is barrier sends early warning signal.Achieve user in car and can receive early warning information there being barrier when vehicle is close, it is achieved that the mode of vehicle active forewarning, improve the efficiency of vehicle early warning.
Description
Technical field
The present invention relates to field of automobile control, particularly to a kind of method and device controlling vehicle early warning.
Background technology
Along with the development of auto industry, increasing people has one's own private car.Due to city
The factor that road is narrow and personnel concentrate, when being easy to cause passengers inside the car to get off after vehicle parking
Crash with pedestrian or the vehicle of motor vehicle environment.
In order to prevent the collision accident occurred after above-mentioned vehicle parking in prior art, vehicle determine be in quiet
Only after state, the car light controlling vehicle when opening car door flashes or lights, to point out around
Pedestrian and other vehicles are taken care.
Inventor finds that prior art at least there is problems in that
Above-mentioned alarm mode belongs to the mode of passive early warning, can only after car door opening give surrounding pedestrian and
Other vehicles with warning, it is impossible to passengers inside the car are pointed out, early warning inefficiency and can not avoid completely from
The car door that body vehicle is opened crashes with pedestrian and other vehicles of surrounding.
Summary of the invention
In order to solve problem of the prior art, embodiments provide a kind of method controlling vehicle early warning
And device.Described technical scheme is as follows:
On the one hand, it is provided that a kind of method controlling vehicle early warning, described method includes:
The kinestate of detection vehicle；
If the state of described vehicle meets default early-warning conditions, then confirm target area according to radar signal
In whether there is barrier；
If described target area exists barrier, then detect the kinestate of described barrier；
According to the kinestate of described barrier, the source of early warning controlling to specify in described vehicle sends early warning letter
Number；
The kinestate of described detection vehicle, including:
If be detected that vehicle remains static, it is determined that the state of described vehicle meets default early warning bar
Part.
Optionally, the described kinestate according to described barrier, the early warning controlling to specify in described vehicle sets
Preparation goes out early warning signal, including:
When detecting that the kinestate of described barrier is for, during near described vehicle, detecting the car door of described vehicle
State；
If described vehicle door status is opening, then control the light source of early warning in described vehicle and buzzing
Source of early warning sends early warning signal jointly；
If described vehicle door status is closed mode, then the light source of early warning controlled in described vehicle sends pre-
Alert signal.
Optionally, the described kinestate according to described barrier, the early warning controlling to specify in described vehicle sets
Preparation goes out early warning signal, including:
When detecting that the kinestate of described barrier is for during away from described vehicle, then controlling in described vehicle
Light source of early warning sends early warning signal.
Optionally, after the kinestate of described detection vehicle, described method also includes:
If be detected that the translational speed of vehicle is more than Preset Time more than pre-set velocity and persistent period, then control
Early warning system processed enters power save mode.
On the other hand, it is provided that a kind of device controlling vehicle early warning, described device includes:
First detection module, for detecting the kinestate of vehicle；
Confirm module, if the state for described vehicle meets default early-warning conditions, then believe according to radar
Number confirm whether target area exists barrier；
Second detection module, if there is barrier in described target area, then detects described barrier
Kinestate；
First control module, for according to the kinestate of described barrier, controls to specify in described vehicle
Source of early warning sends early warning signal；
Described first detection module is used for:
If be detected that vehicle remains static, it is determined that the state of described vehicle meets default early warning bar
Part.
Optionally, described first control module, including:
Detector unit, for when detecting that the kinestate of described barrier, for during near described vehicle, detects
The vehicle door status of described vehicle；
First control unit, if being opening for described vehicle door status, then controls in described vehicle
Light source of early warning and buzzing source of early warning send early warning signal jointly；
Second control unit, if being closed mode for described vehicle door status, then controls in described vehicle
Light source of early warning sends early warning signal.
Optionally, described first control module, including:
3rd control unit, is used for when the kinestate described barrier being detected is away from described vehicle,
The light source of early warning then controlled in described vehicle sends early warning signal.
Optionally, described device also includes:
Second control module, for if be detected that the translational speed of vehicle is more than pre-set velocity and persistent period
More than Preset Time, then control early warning system and enter power save mode.
The technical scheme that the embodiment of the present invention provides has the benefit that
By when detecting that vehicle meets default early-warning conditions, confirm whether target area exists obstacle
Thing, and the early warning that kinestate according to the barrier detected is specified in controlling vehicle when there is barrier
Equipment sends early warning signal.Achieve user in car and can receive early warning letter when vehicle is close there being barrier
Breath, it is achieved that the mode of vehicle active forewarning, improves the efficiency of vehicle early warning.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, institute in embodiment being described below
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the method flow diagram controlling vehicle early warning that the embodiment of the present invention one provides；
Fig. 2 is the method flow diagram controlling vehicle early warning that the embodiment of the present invention two provides；
Fig. 3 is the apparatus structure schematic diagram controlling vehicle early warning that the embodiment of the present invention three provides.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Embodiment is described in further detail.
Embodiment one
Embodiments providing a kind of method controlling vehicle early warning, see Fig. 1, method flow includes:
101: the kinestate of detection vehicle；
102: if the state of vehicle meets default early-warning conditions, then confirm target area according to radar signal
In whether there is barrier；
103: if target area exists barrier, then detect the kinestate of barrier；
104: according to the kinestate of barrier, the source of early warning controlling to specify in vehicle sends early warning signal.
Wherein, the method controlling vehicle early warning by the early warning system of built-in vehicle in the embodiment of the present invention
Implement.Wherein, early warning system is made up of early warning controller and various input/output interface, early warning controller
Master control DSP (Digital Signal Process, Digital Signal Processing) selects BF592 chip, and this chip has
The high performance blackfin processor cores of standby up to 400MHZ, and possess abundant peripheral hardware, such as UART
(Universal Asynchronous Receiver/Transmitter, universal asynchronous receiving-transmitting transmitter), SPI Serial
Peripheral Interface, Serial Peripheral Interface (SPI)), (Synchronous Serial Port synchronizes string to SPORT
Line interface), IIC (Inter-Integrated Circuit, IC bus), GPIO (General Purpose
Input Output, universal input/output) etc..
Input signal in early warning system includes: wheel speed pulse signal, CW radar intermediate frequency signal, and Qianmen is believed
Number, rear gate signal, target is away from signal, gtoal setting signal；Output signal includes: LED alarm signal
Number, buzzing alarm signal, the energy-conservation output signal of power supply.
Wherein, CW radar intermediate frequency signal, target is inputted by CW radar away from signal, gtoal setting signal
To early warning controller.Further, CW radar intermediate frequency signal inputs the SPORT module to BF592；
Target is away from signal, the GPIO mouth of gtoal setting signal input to BF592.Wheel speed pulse signal inputs extremely
BF592 pulse capture port.Front gate signal, the GPIO mouth of rear gate signal input to BF592.
Wherein LED, buzzer PWM (Pulse Width Modulation, pulse by BF592
Width modulated) control, power supply Energy Saving Control mouth is connected by the GPIO mouth of BF592.
The embodiment of the present invention, by when detecting that vehicle meets default early-warning conditions, confirms in target area
Whether there is barrier, and kinestate according to the barrier detected controls vehicle when there is barrier
The middle source of early warning specified sends early warning signal.Achieving user in car can have barrier close to vehicle
Time receive early warning information, it is achieved that the mode of vehicle active forewarning, improve the efficiency of vehicle early warning.
Embodiment two
Embodiments providing a kind of method controlling vehicle early warning, see Fig. 2, method flow includes:
201: the kinestate of detection vehicle.
Wherein, this step periodically performs after can being vehicle launch.
The kinestate of vehicle can be determined by the translational speed of detection vehicle.Wherein, the movement of vehicle
Speed is determined from the wheel speed pulse signal received by early warning system.
After the translational speed of vehicle being detected, if translational speed is more than or equal to pre-set velocity, further
Persistent period of moving of the translational speed being remained above pre-set velocity of detection vehicle whether more than presetting
Time, when above-mentioned two condition all meets, then may determine that vehicle is normal transport condition, it is not necessary to enter
The state of vehicle early warning, therefore can enter battery saving mode by early warning system, then perform step 20X.
If translational speed is less than pre-set velocity, the most further determines whether vehicle is resting state, i.e. enter
Whether the determination translational speed of one step is zero, if now translational speed is zero, determines that vehicle is in static shape
State, meets the i.e. vehicle of early-warning conditions preset and enters alert status, then perform step 202.
Wherein, determining in step 201 that vehicle meets the concrete mode of early-warning conditions can be real by following steps
Existing:
If be detected that vehicle remains static, it is determined that the state of vehicle meets default early-warning conditions.
Optionally, when vehicle launch, early warning system initially enters self-inspection flow process, as early warning system is faulty,
Then carry out fault alarm, such as nothing, then enter normal operating condition.
202: if the state of vehicle meets default early-warning conditions, then confirm target area according to radar signal
In whether there is barrier.
Wherein, radar signal is the CW radar intermediate frequency signal by receiving in early warning system.Returning
CW radar intermediate frequency signal in may determine that in radar detection area whether there are barrier, i.e. pass through thunder
The mode reaching echo is made to determine whether to exist barrier, and which belongs to prior art and do not repeats at this.
Wherein, target area can be: car door (including Qianmen or back door) the front and back 15m of vehicle, side
In the range of 1 meter, side.
203: if target area exists barrier, then detect the kinestate of barrier.
Wherein, the kinestate of barrier is leaned on away from signal or target by the target received in early warning system
Nearly signal determines.
When early warning system receives target away from signal, it is determined that the kinestate of barrier is away from vehicle；
When early warning system receives gtoal setting signal, it is determined that the kinestate of barrier is near vehicle.
204: according to the kinestate of barrier, the source of early warning controlling to specify in vehicle sends early warning signal.
For two kinds of kinestates of the barrier determined in step 203, carry out different control respectively.Cause
This, can be divided into two kinds of situations:
The first situation: the kinestate of barrier is near vehicle.
In the first scenario, the source of early warning controlling in step 204 to specify in vehicle sends early warning signal
Mode can be realized by following steps.
2041: when detecting that the kinestate of barrier, for during near vehicle, detects the vehicle door status of vehicle.
Wherein, vehicle door status is determined by the front gate signal received in early warning system or rear gate signal.At car
Qianmen or back door when being opened or closed, gate signal or back door before being sent by the sensor of car door
Signal, early warning system can determine current vehicle door status according to this front gate signal or rear gate signal.Concrete,
Vehicle door status includes: opening or closed mode.
2042: if vehicle door status is opening, then control the light source of early warning in vehicle and buzzing is pre-
Alert equipment sends early warning signal jointly.
Car door opening state is then total to by light source of early warning i.e. LED and buzzing source of early warning i.e. buzzer
With carrying out early warning, have barrier near vehicle with personnel in emphasis prompting car, hide as far as possible the pedestrian of surrounding with
Other vehicles.
2043: if vehicle door status is closed mode, then the light source of early warning controlled in vehicle sends early warning
Signal.
Closing of the door state then carries out early warning by light source of early warning i.e. LED, to point out personnel in car to have
Barrier, near vehicle, needs careful ambient conditions to carry out opening door operation again, hide as far as possible surrounding pedestrian and
Other vehicles.
The second situation: the kinestate of barrier is away from vehicle.
In the latter case, the source of early warning controlling in step 204 to specify in vehicle sends early warning signal
Mode can be realized by following steps.
2044: when kinestate barrier being detected is away from vehicle, then the light controlled in vehicle is pre-
Alert equipment sends early warning signal.
In such cases, only carry out early warning by light source of early warning i.e. LED, to point out personnel's car in car
With the presence of barrier around, need careful ambient conditions to carry out opening door operation again, hide the row of surrounding as far as possible
People and other vehicles.
205: if be detected that the translational speed of vehicle is more than Preset Time more than pre-set velocity and persistent period,
Then control early warning system and enter power save mode.
Wherein, pre-set velocity can be 10 kilometers/time, Preset Time can be 20 minutes.
The embodiment of the present invention, by when detecting that vehicle meets default early-warning conditions, confirms in target area
Whether there is barrier, and kinestate according to the barrier detected controls vehicle when there is barrier
The middle source of early warning specified sends early warning signal.Achieving user in car can have barrier close to vehicle
Time receive early warning information, it is achieved that the mode of vehicle active forewarning, improve the efficiency of vehicle early warning.
Embodiment three
Embodiments providing a kind of device controlling vehicle early warning, see Fig. 3, this device includes:
First detection module 301, for detecting the kinestate of vehicle；
Confirm module 302, if the state for vehicle meets default early-warning conditions, then according to radar signal
Confirm whether target area exists barrier；
Second detection module 303, if there is barrier in target area, then detects the motion of barrier
State；
First control module 304, for the kinestate according to barrier, the early warning controlling to specify in vehicle sets
Preparation goes out early warning signal.
Wherein, first detection module 301 is used for:
If be detected that vehicle remains static, it is determined that the state of vehicle meets default early-warning conditions.
Wherein, the first control module 304, including:
Detector unit, for when detecting that the kinestate of barrier, for during near vehicle, detects the car of vehicle
Door state；
First control unit, if being opening for vehicle door status, then controls the light early warning in vehicle
Equipment and buzzing source of early warning send early warning signal jointly；
Second control unit, if being closed mode for vehicle door status, then controls the light early warning in vehicle
Equipment sends early warning signal.
Wherein, the first control module 304, including:
3rd control unit, for when detecting that the kinestate of barrier is for during away from vehicle, then controlling car
Light source of early warning in sends early warning signal.
Wherein, device also includes:
Second control module 305, for if be detected that vehicle translational speed more than pre-set velocity and lasting time
Between more than Preset Time, then control early warning system and enter power save mode.
The embodiment of the present invention, by when detecting that vehicle meets default early-warning conditions, confirms in target area
Whether there is barrier, and kinestate according to the barrier detected controls vehicle when there is barrier
The middle source of early warning specified sends early warning signal.Achieving user in car can have barrier close to vehicle
Time receive early warning information, it is achieved that the mode of vehicle active forewarning, improve the efficiency of vehicle early warning.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can be passed through
Hardware completes, it is also possible to instructing relevant hardware by program and complete, described program can be stored in
In a kind of computer-readable recording medium, storage medium mentioned above can be read only memory, disk or
CD etc..
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all the present invention's
Within spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (8)
1. the method controlling vehicle early warning, it is characterised in that described method includes:
The kinestate of detection vehicle；
If the state of described vehicle meets default early-warning conditions, then confirm target area according to radar signal
In whether there is barrier；
If described target area exists barrier, then detect the kinestate of described barrier；
According to the kinestate of described barrier, the source of early warning controlling to specify in described vehicle sends early warning letter
Number；
The kinestate of described detection vehicle, including:
If be detected that vehicle remains static, it is determined that the state of described vehicle meets default early warning bar
Part.
Method the most according to claim 1, it is characterised in that the described motion according to described barrier
State, the source of early warning controlling to specify in described vehicle sends early warning signal, including:
When detecting that the kinestate of described barrier is for, during near described vehicle, detecting the car door of described vehicle
State；
If described vehicle door status is opening, then control the light source of early warning in described vehicle and buzzing
Source of early warning sends early warning signal jointly；
If described vehicle door status is closed mode, then the light source of early warning controlled in described vehicle sends pre-
Alert signal.
Method the most according to claim 1, it is characterised in that the described motion according to described barrier
State, the source of early warning controlling to specify in described vehicle sends early warning signal, including:
When detecting that the kinestate of described barrier is for during away from described vehicle, then controlling in described vehicle
Light source of early warning sends early warning signal.
Method the most according to claim 1, it is characterised in that the kinestate of described detection vehicle it
After, described method also includes:
If be detected that the translational speed of vehicle is more than Preset Time more than pre-set velocity and persistent period, then control
Early warning system processed enters power save mode.
5. the device controlling vehicle early warning, it is characterised in that described device includes:
First detection module, for detecting the kinestate of vehicle；
Confirm module, if the state for described vehicle meets default early-warning conditions, then believe according to radar
Number confirm whether target area exists barrier；
Second detection module, if there is barrier in described target area, then detects described barrier
Kinestate；
First control module, for according to the kinestate of described barrier, controls to specify in described vehicle
Source of early warning sends early warning signal；
Described first detection module is used for:
If be detected that vehicle remains static, it is determined that the state of described vehicle meets default early warning bar
Part.
Device the most according to claim 5, it is characterised in that described first control module, including:
Detector unit, for when detecting that the kinestate of described barrier, for during near described vehicle, detects
The vehicle door status of described vehicle；
First control unit, if being opening for described vehicle door status, then controls in described vehicle
Light source of early warning and buzzing source of early warning send early warning signal jointly；
Second control unit, if being closed mode for described vehicle door status, then controls in described vehicle
Light source of early warning sends early warning signal.
Device the most according to claim 5, it is characterised in that described first control module, including:
3rd control unit, is used for when the kinestate described barrier being detected is away from described vehicle,
The light source of early warning then controlled in described vehicle sends early warning signal.
Device the most according to claim 5, it is characterised in that described device also includes:
Second control module, for if be detected that the translational speed of vehicle is more than pre-set velocity and persistent period
More than Preset Time, then control early warning system and enter power save mode.
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| CN201410558922.4A CN104401256B (en) | 2014-10-20 | 2014-10-20 | Control the method and device of vehicle early warning |
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| CN104991253A (en) * | 2015-07-27 | 2015-10-21 | 芜湖市汽车产业技术研究院有限公司 | Wave radar system |
| CN108600519A (en) * | 2018-03-31 | 2018-09-28 | 广东欧珀移动通信有限公司 | Incoming-call control method and Related product |
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| CN1990321B (en) * | 2005-12-30 | 2011-04-20 | 财团法人工业技术研究院 | Intelligent type automobile side crashproof caution system and method thereof |
| CN1996049A (en) * | 2006-10-18 | 2007-07-11 | 何华科技股份有限公司 | Collision prevention warning method and system for automobile and door thereof |
| TW201100280A (en) * | 2009-06-19 | 2011-01-01 | Automotive Res & Testing Ct | Collision warning system for vehicle |
| CN101833092B (en) * | 2010-04-27 | 2012-07-04 | 成都捌零科技有限公司 | 360-degree dead-angle-free obstacle intelligent detection and early warning method for vehicle |
| CN103679838A (en) * | 2012-09-20 | 2014-03-26 | 上海科沁机电有限公司 | Vehicle monitoring system and method |
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