CN106183983A - A kind of opening door of vehicle CAS and method - Google Patents
A kind of opening door of vehicle CAS and method Download PDFInfo
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- CN106183983A CN106183983A CN201610610088.8A CN201610610088A CN106183983A CN 106183983 A CN106183983 A CN 106183983A CN 201610610088 A CN201610610088 A CN 201610610088A CN 106183983 A CN106183983 A CN 106183983A
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- car
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- time
- collision time
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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
Abstract
The present invention provides a kind of opening door of vehicle CAS and method, and wherein CAS includes: sensing is unblanked draw ring, and in whether sensing has car, member stretches out one's hand enablings, and sensed in car member stretch out one's hand enabling time send triggering detectable signal to control module；Detecting devices, whether for having mobile object to detect this car rear search coverage when receiving the probe command that control module sends, and the motive objects arrived to control module feedback detection is to the distance of this car and translational speed；Control module, unblanked draw ring by CAN respectively with sensing and detecting devices is connected, for when receiving the triggering detectable signal sensing draw ring transmission of unblanking, send probe command to detecting devices, and calculate motive objects to the collision time colliding this car car door according to the motive objects detected of detecting devices feedback to the distance of this car and translational speed, then judge the danger classes of collision time, start corresponding warning.The present invention can improve detection accuracy and reduce power consumption.
Description
Technical field
Automobile technical field of the present invention, particularly relates to a kind of opening door of vehicle CAS and method.
Background technology
The solution of opening door of vehicle anti-collision problem is all to continually scan for whether rear has movement by detection device at present
Thing, triggers prompting or locking door lock again when there being door opening action, and the drawback of these schemes has the most several: one is at vehicle flowrate
In the case of less section or occupant's not enabling demand, detection device is still to constantly detect, actually do useless
Merit, causes detection device availability low, adds car load power consumption；Two is that most variations uses motive objects to this spacing
As evaluate collision risk standard, this method easily causes erroneous judgement, such as monitored area occur one and not towards
The automobile of car door direction running, then this system still can work, and causes error in judgement；Three is that most scheme is only taken advantage of in car
Member is reminded, and ignores the prompting of occupant outer to car, in the case of occupant is badly in need of opening the door, it is impossible to remind car stranger
Member evades；Four is due to rear passenger limited view, and in car, front and rear row occupant can not be played by single prompting light source simultaneously
Well reminding effect.
Summary of the invention
The technical problem to be solved is, it is provided that a kind of detection accuracy opening door of vehicle high, low in energy consumption is crashproof
System and method.
In order to solve above-mentioned technical problem, the present invention provides a kind of opening door of vehicle CAS, including:
Sensing is unblanked draw ring, and in whether sensing has car, member stretches out one's hand enabling, and member stretches out one's hand enabling in having sensed car
Time send trigger detectable signal to control module；
Whether detecting devices, for having this car rear search coverage when receiving the probe command that described control module sends
Mobile object detects, and the motive objects arrived to described control module feedback detection is to the distance of this car and translational speed；
Control module, unblanks draw ring respectively by CAN with described sensing and described detecting devices is connected, for receiving
Described sensing unblank triggering detectable signal that draw ring sends time, send probe command to described detecting devices, and according to described spy
The motive objects detected of measurement equipment feedback calculates motive objects touching to collision this car car door to distance and the translational speed of this car
Hit the time, then judge the danger classes of described collision time, start corresponding warning.
Wherein, described time to collision mode is: move to this at the first moment motive objects with its translational speed
Car required time, moves to this car required time in the second moment with its translational speed with motive objects and averages, and described first
The interval in moment and described second moment is less than duration threshold value.
Wherein, the scope that arranges of described duration threshold value is 0.05 second to 0.5 second.
Wherein, described control module for by described collision time and danger threshold are compared to judgement described in touch
Hit the danger classes of time.
Wherein, described danger classes includes: three grades of danger, secondary threat and one-level are dangerous, wherein:
If described collision time is more than the first danger threshold, the most described collision time belongs to three grades of danger；
If described collision time is more than the second danger threshold, simultaneously less than or equal to described first danger threshold, the most described collision
Time belongs to secondary threat；
If described collision time is less than or equal to described second danger threshold, it is dangerous that the most described collision time belongs to one-level.
Wherein, described control module includes according to corresponding warning of danger classes startup:
For three grades of danger, described control module starts three grades of danger warnings, opens external lights and flashes to remind the outer member of car,
If there being unlocking motion, export unlocking command by car body controller to car door lock；
For secondary threat, described startup secondary threat is reported to the police, and opens external lights flicker and room light light source scintillation divides
You can well imagine that car of waking up is outer and member in car, performed to forbid unlocking action in Preset Time by car body controller control car door lock simultaneously,
If have unlocking motion after Preset Time, then normal release；
Dangerous for one-level, described control module startup one-level danger warning, opening vehicle intraoral illumination light source high frequency flicker, and by car
Body controller exports locking order to car door lock.
The present invention also provides for a kind of opening door of vehicle avoiding collision, including:
Step S1, when sensing in car, member triggers whether this car rear search coverage is had mobile object when stretching out one's hand and open the door
Detection；
Step S2, when detecting this car rear search coverage and having mobile object, the motive objects that feedback detection arrives to this car away from
From and translational speed；
Step S3, distance and translational speed according to the described motive objects detected to this car calculate motive objects to colliding Ben Cheche
The collision time of door, and judge the danger classes of described collision time, start corresponding warning.
Wherein, in described step S3, time to collision mode is: at the first moment motive objects with its translational speed
Move to this car required time, move to this car required time in the second moment with its translational speed with motive objects and average,
The interval in described first moment and described second moment is less than duration threshold value.
Wherein, the scope that arranges of described duration threshold value is 0.05 second to 0.5 second.
Wherein, described step S3 judging, the danger classes of described collision time is specifically by described collision time and danger
Threshold value is compared to judge the danger classes of described collision time.
Wherein, described danger classes includes: three grades of danger, secondary threat and one-level are dangerous, wherein:
If described collision time is more than the first danger threshold, the most described collision time belongs to three grades of danger；
If described collision time is more than the second danger threshold, simultaneously less than or equal to described first danger threshold, the most described collision
Time belongs to secondary threat；
If described collision time is less than or equal to described second danger threshold, it is dangerous that the most described collision time belongs to one-level.
Wherein, described step S3 starts corresponding warning according to danger classes to include:
For three grades of danger, described control module starts three grades of danger warnings, opens external lights and flashes to remind the outer member of car,
If there being unlocking motion, export unlocking command by car body controller to car door lock；
For secondary threat, described startup secondary threat is reported to the police, and opens external lights flicker and room light light source scintillation divides
You can well imagine that car of waking up is outer and member in car, performed to forbid unlocking action in Preset Time by car body controller control car door lock simultaneously,
If have unlocking motion after Preset Time, then normal release；
Dangerous for one-level, described control module startup one-level danger warning, opening vehicle intraoral illumination light source high frequency flicker, and by car
Body controller exports locking order to car door lock.
Having the beneficial effects that of the embodiment of the present invention:
Change the pattern that in tradition car door CAS, detecting devices continually scans for, stretch out one's hand with occupant and open the door as trigger source, carry
The high service efficiency of detecting devices, reduces power consumption；
Have employed prediction calculation based on big data and can more accurately determine whether risk of collision, improve motive objects
The judging nicety rate of collision car door probability, is effectively prevented from erroneous judgement；
Respectively member inside and outside car is reminded the difference of room light light source scintillation frequency by room light light source and embarkation lamp light
Represent danger classes different, corrected single light source and front and rear row member reminds coverage rate deficiency, poor effect lack simultaneously
Point, improves crashproof success rate.
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 embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of one one kinds of opening door of vehicle CAS of the embodiment of the present invention.
Fig. 2 is the schematic diagram calculating motive objects in the embodiment of the present invention one to the collision time of collision this car car door.
Fig. 3 is another schematic diagram calculating motive objects in the embodiment of the present invention one to the collision time of collision this car car door.
Fig. 4 is the schematic flow sheet of 21 kinds of opening door of vehicle avoiding collisions of the embodiment of the present invention.
Detailed description of the invention
The explanation of following embodiment is with reference to accompanying drawing, can be in order to the specific embodiment implemented in order to the example present invention.
Refer to shown in Fig. 1, the embodiment of the present invention one provides a kind of opening door of vehicle CAS, including:
Sensing is unblanked draw ring 1, and in whether sensing has car, member stretches out one's hand enabling, and member stretches out one's hand enabling in having sensed car
Time send trigger detectable signal to control module 6；
Whether detecting devices 2, for having shifting when receiving the probe command that control module 6 sends to this car rear search coverage
Animal body detects, and the motive objects arrived to control module 6 feedback detection is to the distance of this car and translational speed；
Control module 6, unblanks draw ring respectively by CAN with described sensing and described detecting devices is connected, for receiving
To sensing unblank draw ring 1 send triggering detectable signal time, send probe command to detecting devices 2 and anti-according to detecting devices 2
The motive objects detected of feedback calculates the motive objects collision time to collision this car car door, so to distance and the translational speed of this car
The danger classes of rear this collision time of judgement, starts corresponding warning.
Specifically, when sensing unblank draw ring 1 sense that member has hands to stretch in car time, can be sent to triggering detectable signal
Control module 6, probe command is then sent to whether detecting devices 2 has motive objects to this car rear search coverage by control module 6
Body detects.In the present embodiment, this car rear search coverage is set to apart from 100 meters of this car.Enabling is stretched out one's hand with member in car
For trigger source, change the pattern that in tradition car door CAS, detecting devices continually scans for, improve the use of detecting devices
Efficiency.
Distance and the translational speed of motive objects to this car are constantly sent to control module 6, control module 6 by detecting devices 2
According to the two parameter use prediction algorithms based on big data calculate in real time motive objects to collide this car car door collision time
Between T.
Shown in Fig. 2, it is assumed that it is s1 that the t1 moment detects rear motive objects to the distance of this car, and the speed of motive objects is
v1；It is s2 that the t2 moment detects rear motive objects to the distance of this car, and the speed of motive objects is v2, then motive objects is to colliding this car
Collision time T of car door calculates in the following manner:
I.e. motive objects is to move to its translational speed at the first moment (t1) motive objects to collision time T of collision this car car door
This car required time, with the meansigma methods that motive objects moves to this car required time in the second moment (t2) with its translational speed.And
And, the interval in the first moment and the second moment is less than duration threshold value (Δ t).The setting of duration threshold value can not be too short, the most not
Can be long, too short then before and after the result (distance of motive objects to this car, translational speed) of twice detection almost without change, long then
Cannot accomplish to calculate in real time and judge danger classes, consider the reasonability of detection, real-time, and person's development time
Deng, in the present embodiment, the scope that arranges of duration threshold value is 0.05 second to 0.5 second, preferably 0.1 second.
Calculate motive objects to collision this car car door collision time T after, control module 6 is by by itself and danger threshold
It is compared to judge the danger classes of collision time T:
If collision time is more than the first danger threshold, i.e. T ＞ T1, then belonging to three grades of danger (being potentially dangerous), control module 6 opens
Dynamic three grades of danger warnings, opening external lights (such as steering indicating light 4) and flash to remind outside car, if there being unlocking motion, passing through vehicle body
Controller (BCM) 3 exports unlocking command to car door lock 7；
If collision time is more than the second danger threshold, simultaneously less than or equal to the first danger threshold, i.e. T2 ＜ T≤T1, then belong to
Secondary threat (typically dangerous), control module 6 starts secondary threat and reports to the police, open external lights (such as steering indicating light 4) flicker and
Room light light source (such as atmosphere lamp 5, or ceiling light, reading lamp etc.) flicker reminds car outer and member in car respectively.Additionally,
Car body controller 3 controls car door lock 7 (in the present embodiment, this Preset Time is set to 3 seconds) in Preset Time and performs to forbid unblanking
Action, if there being unlocking motion after Preset Time, then normal release；
If collision time is less than or equal to the second danger threshold, i.e. T≤T2, then belong to one-level dangerous (abnormally dangerous), control mould
Block 6 starts one-level danger warning, opening vehicle intraoral illumination light source (such as atmosphere lamp 5, or ceiling light, reading lamp etc.) high frequency flicker,
Car body controller 3 exports locking order to car door lock 7.
First danger threshold T1 and the second danger threshold T2 demarcates according to practical situation.
The most as shown in Figure 3, it is assumed that it is s3 that the t1 moment detects rear motive objects to the distance of this car, and the speed of motive objects is
v3；It is s1 that the t2 moment detects rear motive objects to the distance of this car, and the speed of motive objects is that v1(assumes s1, the v1 shown in Fig. 3
Identical with s1, the v1 shown in Fig. 2, v1, v2, v3 are the most close).Different from shown in Fig. 2, this motive objects moving direction and not towards this
Car, and it is perpendicular to this car travel direction, in the manner aforesaid, this motive objects to the time T ' of collision this car car door is:
With the collision time T-phase ratio calculated as shown in Figure 2, owing to the s3 shown in Fig. 3 is significantly larger than the s1 shown in Fig. 2, therefore,
T ' also can be more than T, then T ' is typically larger than the first danger threshold T1, belongs to three grades of danger.Example common shown in Fig. 3 is, when
This car is parked on the road of North and South direction, but has a speed the highest, apart from this car close east-west direction traveling after this car
During automobile, the time of this car now calculated to collision this car car door more than T1, then belongs to three grades of danger, is can be the most normally opened
Door.This improves the judging nicety rate to motive objects collision car door probability, it is to avoid erroneous judgement.
On the other hand, if judging the scheme of danger classes according to traditional distance with motive objects to this car, in Fig. 3
T1 moment motive objects is more than t2 moment motive objects distance s1 to this car to distance s3 of this car, can be judged as apart from this car more
Coming the nearest, thus start enabling collision-proof alarm, but the most in fact will not collide, traditional method result in by mistake
Sentence.And the embodiment of the present invention with the collision time that calculates to judge danger classes, it is to avoid aforementioned because of motive objects travel direction
The erroneous judgement caused.
Based on the embodiment of the present invention one, the embodiment of the present invention two provides a kind of opening door of vehicle avoiding collision, including:
Step S1, when sensing in car, member triggers whether this car rear search coverage is had mobile object when stretching out one's hand and open the door
Detection；
Step S2, when detecting this car rear search coverage and having mobile object, the motive objects that feedback detection arrives to this car away from
From and translational speed；
Step S3, distance and translational speed according to the described motive objects detected to this car calculate motive objects to colliding Ben Cheche
The collision time of door, and judge the danger classes of described collision time, start corresponding warning.
Specifically, in described step S3, time to collision mode is: move speed at the first moment motive objects with it
Degree moves to this car required time, moves to this car required time in the second moment with its translational speed with motive objects and is averaging
Value, the interval in described first moment and described second moment is less than duration threshold value.
Specifically, the scope that arranges of described duration threshold value is 0.05 second to 0.5 second.
Specifically, described step S3 judging, the danger classes of described collision time is specifically by described collision time and danger
Danger threshold value is compared to judge the danger classes of described collision time.
Specifically, described danger classes includes: three grades of danger, secondary threat and one-level are dangerous, wherein:
If described collision time is more than the first danger threshold, the most described collision time belongs to three grades of danger；
If described collision time is more than the second danger threshold, simultaneously less than or equal to described first danger threshold, the most described collision
Time belongs to secondary threat；
If described collision time is less than or equal to described second danger threshold, it is dangerous that the most described collision time belongs to one-level.
Specifically, described step S3 starts corresponding warning according to danger classes to include:
For three grades of danger, described control module starts three grades of danger warnings, opens external lights and flashes to remind the outer member of car,
If there being unlocking motion, export unlocking command by car body controller to car door lock；
For secondary threat, described startup secondary threat is reported to the police, and opens external lights flicker and room light light source scintillation divides
You can well imagine that car of waking up is outer and member in car, performed to forbid unlocking action in Preset Time by car body controller control car door lock simultaneously,
If have unlocking motion after Preset Time, then normal release；
Dangerous for one-level, described control module startup one-level danger warning, opening vehicle intraoral illumination light source high frequency flicker, and by car
Body controller exports locking order to car door lock.
Refer to the explanation of the embodiment of the present invention one about the operation principle of the present embodiment and process, here is omitted.
By described above, what the enforcement present invention brought has the beneficial effects that:
Change the pattern that in tradition car door CAS, detecting devices continually scans for, stretch out one's hand with occupant and open the door as trigger source, carry
The high service efficiency of detecting devices, reduces power consumption；
Have employed prediction calculation based on big data and can more accurately determine whether risk of collision, improve motive objects
The judging nicety rate of collision car door probability, is effectively prevented from erroneous judgement；
Respectively member inside and outside car is reminded the difference of room light light source scintillation frequency by room light light source and embarkation lamp light
Represent danger classes different, corrected single light source and front and rear row member reminds coverage rate deficiency, poor effect lack simultaneously
Point, improves crashproof success rate.
The above disclosed present pre-ferred embodiments that is only, can not limit the right model of the present invention with this certainly
Enclose, 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 (12)
1. an opening door of vehicle CAS, it is characterised in that including:
Sensing is unblanked draw ring, and in whether sensing has car, member stretches out one's hand enabling, and member stretches out one's hand enabling in having sensed car
Time send trigger detectable signal to control module；
Whether detecting devices, for having this car rear search coverage when receiving the probe command that described control module sends
Mobile object detects, and the motive objects arrived to described control module feedback detection is to the distance of this car and translational speed；
Control module, unblanks draw ring respectively by CAN with described sensing and described detecting devices is connected, for receiving
Described sensing unblank triggering detectable signal that draw ring sends time, send probe command to described detecting devices, and according to described spy
The motive objects detected of measurement equipment feedback calculates motive objects touching to collision this car car door to distance and the translational speed of this car
Hit the time, then judge the danger classes of described collision time, start corresponding warning.
Opening door of vehicle CAS the most according to claim 1, it is characterised in that described time to collision mode
It is: move to this car required time at the first moment motive objects with its translational speed to move with it in the second moment with motive objects
Dynamic speed moves to this car required time and averages, and the interval in described first moment and described second moment is less than duration threshold
Value.
Opening door of vehicle CAS the most according to claim 2, it is characterised in that the scope that arranges of described duration threshold value is
0.05 second to 0.5 second.
Opening door of vehicle CAS the most according to claim 1, it is characterised in that described control module is for by by institute
State collision time and danger threshold and be compared to judge the danger classes of described collision time.
Opening door of vehicle CAS the most according to claim 4, it is characterised in that described danger classes includes: three grades of danger
Danger, secondary threat and one-level are dangerous, wherein:
If described collision time is more than the first danger threshold, the most described collision time belongs to three grades of danger；
If described collision time is more than the second danger threshold, simultaneously less than or equal to described first danger threshold, the most described collision
Time belongs to secondary threat；
If described collision time is less than or equal to described second danger threshold, it is dangerous that the most described collision time belongs to one-level.
Opening door of vehicle CAS the most according to claim 5, it is characterised in that described control module is according to danger classes
Start corresponding warning to include:
For three grades of danger, described control module starts three grades of danger warnings, opens external lights and flashes to remind the outer member of car,
If there being unlocking motion, export unlocking command by car body controller to car door lock；
For secondary threat, described startup secondary threat is reported to the police, and opens external lights flicker and room light light source scintillation divides
You can well imagine that car of waking up is outer and member in car, performed to forbid unlocking action in Preset Time by car body controller control car door lock simultaneously,
If have unlocking motion after Preset Time, then normal release；
Dangerous for one-level, described control module startup one-level danger warning, opening vehicle intraoral illumination light source high frequency flicker, and by car
Body controller exports locking order to car door lock.
7. an opening door of vehicle avoiding collision, it is characterised in that including:
Step S1, when sensing in car, member triggers whether this car rear search coverage is had mobile object when stretching out one's hand and open the door
Detection；
Step S2, when detecting this car rear search coverage and having mobile object, the motive objects that feedback detection arrives to this car away from
From and translational speed；
Step S3, distance and translational speed according to the described motive objects detected to this car calculate motive objects to colliding Ben Cheche
The collision time of door, and judge the danger classes of described collision time, start corresponding warning.
Opening door of vehicle avoiding collision the most according to claim 7, it is characterised in that the meter of collision time in described step S3
Calculation mode is: move to this car required time at the first moment motive objects with its translational speed, with motive objects in the second moment
Moving to this car required time with its translational speed average, the interval in described first moment and described second moment is less than
Duration threshold value.
Opening door of vehicle avoiding collision the most according to claim 8, it is characterised in that the scope that arranges of described duration threshold value is
0.05 second to 0.5 second.
Opening door of vehicle avoiding collision the most according to claim 7, it is characterised in that touch described in judging in described step S3
Described collision time and danger threshold specifically are compared to judge the danger of described collision time by the danger classes hitting the time
Danger grade.
11. opening door of vehicle avoiding collisions according to claim 10, it is characterised in that described danger classes includes: three grades
Danger, secondary threat and one-level are dangerous, wherein:
If described collision time is more than the first danger threshold, the most described collision time belongs to three grades of danger；
If described collision time is more than the second danger threshold, simultaneously less than or equal to described first danger threshold, the most described collision
Time belongs to secondary threat；
If described collision time is less than or equal to described second danger threshold, it is dangerous that the most described collision time belongs to one-level.
12. opening door of vehicle avoiding collisions according to claim 11, it is characterised in that according to danger etc. in described step S3
Level starts corresponding warning and includes:
For three grades of danger, described control module starts three grades of danger warnings, opens external lights and flashes to remind the outer member of car,
If there being unlocking motion, export unlocking command by car body controller to car door lock；
For secondary threat, described startup secondary threat is reported to the police, and opens external lights flicker and room light light source scintillation divides
You can well imagine that car of waking up is outer and member in car, performed to forbid unlocking action in Preset Time by car body controller control car door lock simultaneously,
If have unlocking motion after Preset Time, then normal release；
Dangerous for one-level, described control module startup one-level danger warning, opening vehicle intraoral illumination light source high frequency flicker, and by car
Body controller exports locking order to car door lock.
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| CN201610610088.8A CN106183983A (en) | 2016-07-29 | 2016-07-29 | A kind of opening door of vehicle CAS and method |
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| CN115214511A (en) * | 2022-08-26 | 2022-10-21 | 星河智联汽车科技有限公司 | Vehicle door opening anti-collision early warning method, device, equipment and storage medium |
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| CN115805871A (en) * | 2022-12-27 | 2023-03-17 | 深圳市凯芙特科技有限公司 | Real-time monitoring device and monitoring method for increasing getting-off safety |
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