CN103661190A - Side anticollision device and side anticollision method when large-sized car turns corner - Google Patents
Side anticollision device and side anticollision method when large-sized car turns corner Download PDFInfo
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Abstract
The invention discloses a side anticollision device and a side anticollision method when a large-sized car turns a corner. The side anticollision device comprises a central processing unit, a car detection unit, an intersection barrier detection unit, an alarm display unit and a safety device trigger, wherein a car speed sensor and the intersection barrier detection unit are started according to a cornering signal of a steering wheel detected by the car detection unit, and a corresponding area of difference of radius between inner wheels is calculated according to the intersection information and the car speed detected by the intersection barrier detection unit; whether a barrier stays in the area of the difference of radius between inner wheels or not according to the detected barrier information, the car is controlled to start the safety device and issue an alarm when car and other vehicles or pedestrians stay in the area of the difference of radius between the inner wheels or other vehicles or pedestrians can reach the area of the difference of radius between the inner wheels when the car turns t corner according to the speed sensor, a prompted driver takes measures to avoid the accident or reduce the injury in collision between the car and other vehicles or between the car and pedestrians.
Description
Technical field
The present invention relates to field of automobile safety, side anticollision device and side avoiding collision while relating in particular to a kind of full-sized car turning.
Background technology
At present, in the accident occurring at full size vehicle, most of accident is to occur when full size vehicle is turned.Full size vehicle is such as the vehicle body of big-load trailer, slag-soil truck, bulk cement carrier etc. is all long, and when turning, inner rear wheel is not that the complete track along interior front-wheel travels, and has certain deviation, and the deviation forming of turning is just named " interior wheel is poor ", as shown in Figure 1.The region driver at this " interior wheel is poor " place does not observe.So most accident is all because pedestrian or vehicle are in " interior wheel is poor " region, after inside taking turns difference and be often and headstock often occurs turning round, also have very long vehicle body not turn over, this just forms driver " vision dead zone ".If now have self-propelled vehicle or pedestrian in interior " vision dead zone " scope of taking turns, the rear vehicle body collision scraping while occurring possibly to be turned round or the dangerous situation such as pull in car into.
China Patent Publication No. is CN1990321B, the day for announcing is on April 20th, 2011, patent of invention name is called: intelligent type automobile side crashproof system and method thereof, this application case discloses intelligent type automobile side crashproof system and a method thereof, and it comprises obstacle sensing resolution unit, data processing and control unit and car door sensing cell.Data processing is connected respectively with car door sensing cell with obstacle sensing resolution unit respectively with control unit.The rotating speed of obstacle sensing resolution unit senses vehicle with turn to, and be sent to data processing and control unit and process and determine whether to send warning and control signal; Door control unit is used for receiving this control signal with doors locked.Its weak point is, this device only consider to travel lane change or at a slow speed and the side crashproof problem of stopping while opening car door, do not consider Ackermann steer angle, when especially full size vehicle is turned, " in wheel poor " existence of local is the principal element that causes collision happens.
Summary of the invention
Technical matters to be solved by this invention is: side anticollision device and side avoiding collision while providing a kind of full-sized car to turn, and when full-sized car is when turning, other vehicles or pedestrian are in " interior wheel is poor " region; Or calculate other vehicles or pedestrian can arrive in " interior wheel is poor " region when this car is turned according to speed detection unit, can control automobile and open safety apparatus, be alerted chaufeur and take measures, avoid the infringement that bumps and produce when generation accident or minimizing bump with other vehicles or pedestrian.
For solving the problems of the technologies described above, a kind of technical scheme of the present invention is: side anticollision device when full-sized car is turned, comprise that central processing unit, this car test measurement unit, detection of obstacles unit, crossing, alarm display unit and safety apparatus binary pair form, described central processing unit is connected with safety apparatus binary pair with this car test measurement unit, detection of obstacles unit, crossing, alarm display unit respectively.
Preferably, described this car test measurement unit comprises this car speed of a motor vehicle and turns to.
Preferably, described detection of obstacles unit, crossing comprises that camera, obstacle speed detect and apomecometer.
Preferably, described apomecometer is a kind of in radar range finder, laser rangefinder, ultrasonic velocity meter.
The vehicle of inner side and or pedestrian when preferably, described obstacle is automobile turning.
Preferably, described alarm display unit is any combination in LCDs, buzzer phone or warning indicator lamp.
Preferably, also comprise wireless communication unit, described wireless communication unit is arranged on vehicle top, and is connected with central processing unit.
For solving the problems of the technologies described above, another kind of technical scheme of the present invention is: side avoiding collision when a kind of full-sized car is turned, and it is as follows that the method comprising the steps of:
(a) camera detects and whether arrives crossing;
(b) whether detect this car turns to;
(c) obstacle distance detection, speed detect;
(d) this vehicle speed detection, the judgement of crossing shape;
(d), according to this vehicle speed and crossing shape, determine " interior wheel is poor " region;
(e), when obstacle is in " interior wheel is poor " region, start and report to the police and safety apparatus binary pair;
(f), when obstacle can arrive in " interior wheel is poor " region when this car is turned, start and report to the police and safety apparatus binary pair;
Further, step (e) comprises step below:
(e1) the inside and outside same alarm of car;
(e2) start safety apparatus binary pair;
(e3) enabling wireless communication unit sends information to other vehicle.
Further, step (f) comprises step below:
(f1) car is reported to the police outward;
(f2) in car, show obstacle, and go to step e.
Adopted technique scheme, significant progress of the present invention is: because the central processing unit of full-sized car side anticollision device is connected with safety apparatus binary pair with this car test measurement unit, detection of obstacles unit, crossing, alarm display unit respectively with respectively, crossing condition detection apparatus is arranged on automotive front.This automobile side device can be taked crossing image by camera, and by software analysis, to go out be crossing, in conjunction with this car speed of a motor vehicle, can determine " interior wheel is poor " region, when can other vehicles or pedestrian be positioned at " wheel is poor " region and maybe arrive " wheel is poor " region at Ackermann steer angle, central processing unit transmits control signal and starts module to safety apparatus, avoids the vehicles or pedestrians collision of Ben Che and side to have an accident.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of full-sized car " interior wheel is poor ";
Fig. 2 is the structural representation of the embodiment of the present invention;
The diagram of circuit of side avoiding collision when Fig. 3 is full-sized car turning of the present invention;
Wherein, 21, central processing unit; 22, steering wheel angle; 23, this vehicle speed; 24, safety apparatus safety trigger; 25, camera; 26, obstacle speed; 27, apomecometer; 28, LCDs; 29, buzzer phone; 210, warning indicator lamp; 211, wireless communication unit.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 2, side anticollision device when full-sized car is turned, comprises central processing unit 21, this car test measurement unit, detection of obstacles unit, crossing, alarm display unit, wireless communication unit 211 and safety apparatus safety trigger 24; Wherein this car test measurement unit comprises this vehicle speed 23 and steering wheel angle 22; Crossing detection of obstacles list comprises camera 25, obstacle speed 26 and apomecometer 27, and alarm display unit comprises LCDs 28, buzzer phone 29 and warning indicator lamp 210.Central processing unit 1 is connected with safety apparatus safety trigger 24 with this car test measurement unit, detection of obstacles unit, crossing, alarm display unit, wireless communication unit 211 respectively, apomecometer 27 is arranged on full size vehicle both sides, LCDs 28 is arranged on vehicle console, and wireless communication unit is arranged on vehicle top.
In the process of moving, camera 25 detects information of road surface to full size vehicle, and information of road surface is sent to central processing unit 21, and central processing unit 21 will judge whether to arrive road conditions.When finding to reach crossing, direction of measurement corner 22, delivers to central processing unit 21 by the corner measuring, and central processing unit 21 is by corner and predetermined value comparison, when surpassing predetermined value, transmitted signal starts apomecometer 27 and measures this vehicle speed 23 and obstacle speed 26.Actual distance between between this car both sides vehicle that central processing unit 21 records apomecometer 27 or pedestrian is compared, and by the distance measuring of the speed measuring according to speed sensor and apomecometer, can estimate vehicle or pedestrian turn over completely before curved and arrive in " interior wheel is poor " region at vehicle.When the actual distance between between this car both sides vehicle or pedestrian approaches safety distance critical value and vehicle or pedestrian can turn over completely before curved and arrive " interior wheel is poor " region district at vehicle, central processing unit 21 is reported to the police by alarm unit and is started automotive safety equipment, reminds chaufeur to take measures; Warning indicator lamp 210 is lighted, and reminds both sides vehicle or pedestrian to slow down, and the message that central processing unit 21 is about to this car to bump simultaneously sends by wireless communication unit in time, and near reminding, vehicle is taken measures, and prevents the generation of collision case.The present invention starts automotive safety equipment 24 in the time of being less than safety distance at the actual distance between Ben Che and both sides vehicle or pedestrian, reduce the injury producing while bumping.
The crashproof method of side when full-sized car is turned, it is as follows that the method comprising the steps of: (a) camera detects and whether arrives crossing; (b), if vehicle reaches crossing, detect this car and whether turn to; (c), if the deflection angle of automobile surpasses setting value, think and start obstacle distance detection, speed detection by turn inside diameter; (d) if turn inside diameter is measured this vehicle speed, the judgement of crossing shape simultaneously; (d) traffic information obtaining according to pick up camera and the Ben Che speed of a motor vehicle, determine " interior wheel is poor " region now; (e) according to the data of apomecometer, if obstacle, in " interior wheel is poor " region, starts and reports to the police and safety apparatus binary pair; (f) speed moving according to the data of apomecometer and obstacle can arrive in " interior wheel is poor " region if judge obstacle when this car is turned, and starts and reports to the police and safety apparatus binary pair.
Wherein, described step (e) further comprises step below: (e1) when obstacle being detected in " interior wheel is poor " region, the inside and outside same alarm of car, reminds chaufeur and other vehicle and pedestrian; (e2) start safety apparatus binary pair; (e3) simultaneously enabling wireless communication unit sends information to other vehicle, reminds the measure that properly protects of annex vehicle;
Wherein, described step (f) further comprises step below: if (f1) detect obstacle, can when this car is turned, can arrive in " interior wheel is poor " region, should carry out in time car and report to the police outward, and measure in real time obstacle distance; (f2) if continue to detect find obstacle, find its near this vehicle speed increasing, should in car, show in time obstacle, remind chaufeur to note, and go to step e.
The present invention is not limited to above-mentioned concrete embodiment, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion of having done, within all dropping on protection scope of the present invention.
Claims (10)
1. side anticollision device when full-sized car is turned, it is characterized in that: comprise that central processing unit, this car test measurement unit, detection of obstacles unit, crossing, alarm display unit and safety apparatus binary pair form, described central processing unit is connected with safety apparatus binary pair with this car test measurement unit, detection of obstacles unit, crossing, alarm display unit respectively.
2. side anticollision device when full-sized car according to claim 1 is turned, is characterized in that: described this car test measurement unit comprises this car speed of a motor vehicle and turns to.
3. side anticollision device when full-sized car according to claim 1 is turned, is characterized in that: described detection of obstacles unit, crossing comprises that camera, obstacle speed detect and apomecometer.
4. side anticollision device when full-sized car according to claim 3 is turned, is characterized in that: described apomecometer is a kind of in radar range finder, laser rangefinder, ultrasonic velocity meter.
5. side anticollision device when full-sized car according to claim 3 is turned, is characterized in that: the vehicle of inner side and or pedestrian when described obstacle is automobile turning.
6. side anticollision device when full-sized car according to claim 1 is turned, is characterized in that: described alarm display unit is any combination in LCDs, buzzer phone or warning indicator lamp.
7. the side anticollision device while turning according to the full-sized car described in any one in claim 1 to 6, is characterized in that: also comprise wireless communication unit, described wireless communication unit is arranged on vehicle top, and is connected with central processing unit.
8. side avoiding collision when full-sized car is turned, is characterized in that, it is as follows that the method comprising the steps of:
(a) camera detects and whether arrives crossing;
(b) whether detect this car turns to;
(c) obstacle distance detection, speed detect;
(d) this vehicle speed detection, the judgement of crossing shape;
(d), according to this vehicle speed and crossing shape, determine " interior wheel is poor " region;
(e), when obstacle is in " interior wheel is poor " region, start and report to the police and safety apparatus binary pair;
(f), when obstacle can arrive in " interior wheel is poor " region when this car is turned, start and report to the police and safety apparatus binary pair.
9. side avoiding collision when full-sized car is turned, is characterized in that, step (e) further comprises step below:
(e1) the inside and outside same alarm of car;
(e2) start safety apparatus binary pair;
(e3) enabling wireless communication unit sends information to other vehicle.
10. side avoiding collision when full-sized car is turned, is characterized in that, step (f) further comprises step below:
(f1) car is reported to the police outward;
(f2) in car, show obstacle, and go to step e.
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| CN201410006818.4A CN103661190B (en) | 2014-01-07 | 2014-01-07 | Side anticollision device, collision-prevention device and side avoiding collision when full-sized car is turned |
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| CN201410006818.4A CN103661190B (en) | 2014-01-07 | 2014-01-07 | Side anticollision device, collision-prevention device and side avoiding collision when full-sized car is turned |
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Address after: 215000 No. 111 Kangyuan Road, Xiangcheng Economic Development Zone, Suzhou City, Jiangsu Province Patentee after: Jiangsu Xin'an Electrical Appliance Co., Ltd. Address before: 215131 No. 111 Kangyuan Road, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: Jiangsu Simand Electrical Appliance Co., Ltd. |