CN101804800A - Automobile frontal collision active protection system - Google Patents

Automobile frontal collision active protection system Download PDF

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Publication number
CN101804800A
CN101804800A CN 201010128262 CN201010128262A CN101804800A CN 101804800 A CN101804800 A CN 101804800A CN 201010128262 CN201010128262 CN 201010128262 CN 201010128262 A CN201010128262 A CN 201010128262A CN 101804800 A CN101804800 A CN 101804800A
Authority
CN
China
Prior art keywords
central
unit
air bag
automobile
active protection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 201010128262
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Chinese (zh)
Inventor
祝贺
周易
吴成明
刘卫国
周大永
李书福
杨健
赵福全
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Geely Holding Group Co Ltd, Zhejiang Geely Automobile Research Institute Co Ltd filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN 201010128262 priority Critical patent/CN101804800A/en
Publication of CN101804800A publication Critical patent/CN101804800A/en
Pending legal-status Critical Current

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Abstract

The invention provides an automobile frontal collision active protection system which belongs to the technical field of automobile safety, and solves the problem that a traditional automobile safety airbag protection device cannot fundamentally prevent rear-end accidents. The automobile frontal collision active protection system comprises a safety airbag device and a controller; the controller can control the work of the safety airbag device; the controller comprises a central processing unit, a signal transmitter and a signal receiver; the signal transmitter and the signal receiver are connected with the central processing unit, and the central processing unit can send pre-warming signals to nearby vehicles when collision happens; and the signal receiver can be used to receive the pre-warning signals sent by vehicles ahead upon collision. The automobile frontal collision active protection system can send the pre-warning signals to nearby vehicles under the premise that the vehicle collides, so that the nearby vehicles can slow down or detour after receiving advance pre-warning, thereby reducing rear-end accidents to some extent.

Description

A kind of automobile frontal collision active protection system
Technical field
The invention belongs to the automotive safety technical field, relate to a kind of automobile frontal collision active protection system.
Background technology
Automobile is as the product of modern industry, become the most frequently used vehicle in our life, played an important role in our life, the speed of automobile is more and more faster at present, quantity constantly increases, and is also more and more outstanding to the test of the traffic safety of automobile.People more and more pay attention to the safety facilities performance demands when choosing automobile, and annual number because of the traffic accident forfeiture has been brought very big loss to the people's lives and property, so it is very urgent to develop a kind of later-model automobile active protective system but in continuous increase.
At present, the automobile of selling on the market all is equipped with safety air bag mostly, but only just understands passive open when automobile bumps.Though can play the purpose of protection chaufeur, can not fundamentally stop the generation of colliding.Particularly on express highway,, all a series of rear-end collision can relatedly be arranged usually once have an accident.And these rear-end collisions are too near as long as front vehicle is not leaned on, and the speed of a motor vehicle is too not fast, and it all is avoidable in fact that the chaufeur attention is concentrated, but in real life, want each chaufeur all accomplish above-mentioned some be unusual difficulty.For this reason, people have designed the especially air bag device of rear-end collision of some initiatively pre-anticollisions.
(its publication number is: CN101327774A) to provide a kind of vehicle active protection anti-collision air bag as Chinese patent; structure is before the car body detector to be arranged; preceding air bag, rear gasbag, upper gasbag and driving engine protecting cover airbag fold are assemblied in the car body air bag air storage chamber in order; connect gas generator through induction tract, and brake pedal position-sensing switch and decelostat are housed.In the vehicle ', before burst accident collision, the speed of a motor vehicle is still more than 50km/h after artificial or self-actuating brake, and the detector detection is during apart from 3 meters on obstacle, and moment is opened air bag.Road pedestrian, both sides passenger, vehicle and the vehicle that knocks into the back are played the effect that buffering energy-absorbing is protected, reduce the loss that personal casualty, vehicle and object bring because of collision.
But, also there is weak point in above-mentioned vehicle active protection anti-collision air bag: the first is speed of a motor vehicle height no matter, detector is being worked always, detector is popped one's head in when the detecting obstacles thing and is had angle, overtake other vehicles, meeting or when turning, cause mistake to visit obstacle easily, make airbag-releasing, form the wasting of resources; Its two, this vehicle active protection anti-collision air bag can't fundamentally solve the problem that knocks into the back, the personal casualty that can only reduce knocks into the back brings and the loss of vehicle, still can the taking place of this generation of rear-end collision.
Summary of the invention
The objective of the invention is at the existing the problems referred to above of existing air bag device, and proposed a kind of generation that can effectively prevent rear-end collision, and under can't the situation of crash-avoidance the automobile frontal collision active protection system of airbag opening in advance.
Purpose of the present invention can realize by following technical proposal: a kind of automobile frontal collision active protection system, comprise air bag device and controller, the work of controller may command air bag device, it is characterized in that, described controller comprises central process unit, signal projector and signal receiver, signal projector and signal receiver all connect with central process unit, described central process unit can when collision near vehicle send early warning signal; Signal receiver then can be used for receiving the early warning signal that sends when front vehicles is collided, and the early warning signal that receives is transferred to central process unit, through judging whether initiatively to start the air bag device of this car after central process unit analysis, the processing.
Automobile is when bumping, and the central process unit control signal transmitter sends early warning signal near vehicle, and prompting the place ahead has an accident, and collides when serious central process unit control air bag device with airbag-releasing.Signal receiver on the vehicle of rear in this automobile frontal collision active protection system then can receive the early warning signal that the place ahead accident vehicle sends; and this early warning signal is transferred to central process unit, judge whether that by the central process unit analysis, after handling the air bag device that need initiatively start this car before bumping avoids serious collision.
In above-mentioned a kind of automobile frontal collision active protection system; described air bag device comprises air bag, gas generator and crash sensor; crash sensor and gas generator all connect with above-mentioned central process unit; described airbag fold is positioned over the anterior place of headstock; gas generator is connected with air bag; above-mentioned central process unit may command gas generator action, crash sensor are used for collision detection intensity and transmit collision alarm to central process unit.
When automobile bumped, crash sensor sent detected collision alarm to central process unit, when central process unit judges that the collision alarm intensity that receives reaches setting value, can send ignition signal to gas generator, triggered the gas generator action.Gas generator is received and is produced a large amount of gases behind the ignition signal rapidly and be full of air bag, and airbag-releasing contacts chaufeur with the air bag of softness when auto against, rather than fiercely collides with the interior trimming parts of automobile.
Another condition that triggers gas generator action is that central process unit receives the early warning signal that the place ahead accident vehicle sends, and by analysis, draw in the time of can the conclusion of serious rear-end impact taking place after handling.Central process unit initiatively triggers the gas generator action before the prerequisite that bumps, open air bag.
In above-mentioned a kind of automobile frontal collision active protection system, be connected with an A/D converter between described crash sensor and the central process unit.
In above-mentioned a kind of automobile frontal collision active protection system, also be connected with the acceleration pick-up that detects this car acceleration/accel on the described central process unit.Central process unit can send early warning to chaufeur behind the early warning signal that receives the place ahead accident vehicle transmission, remind chaufeur to slow down.And, judge whether this car can bump with accident vehicle and whether the collision degree needs initiatively to open air bag under the current acceleration situation in conjunction with this car acceleration/accel that distance and acceleration pick-up with accident vehicle are transmitted.
In above-mentioned a kind of automobile frontal collision active protection system, also be connected with a warning indicator lamp or annunciator on the described signal receiver.
Compared with prior art; this automobile frontal collision active protection system is under the situation that this car bumps; can send early warning signal near vehicle; vehicle slows down or detours obtaining under the situation of prior early warning near making; reduced the generation of rear-end collision to a certain extent; can protect the car load front portion to avoid causing serious damage well, reduce to collide destruction vehicle, thus the automotive servicing expense after the attenuating accident.And under the unavoidable situation that knocks into the back, open air bag in advance, reduce bump to chaufeur with injury.
Description of drawings
Fig. 1 is the functional-block diagram of this automobile frontal collision active protection system.
The specific embodiment
As shown in Figure 1, this automobile frontal collision active protection system comprises crash sensor, central process unit, gas generator and air bag, is connected with A/D converter between crash sensor and the central process unit, and gas generator links to each other with air bag.Air bag is made by the silicon coating nylon cloth and is formed and folding in order being fixed on the guiding trestle, and guiding trestle is by the metallic material punch forming and be fixedly mounted on car load bumper beam front; Gas generator then is fixed on the fixed support, and fixed support is by the metallic material punch forming and be fixedly mounted on the car load bumper beam back side; Gas generator is made up of parts such as firing unit, gunpowder, filtering net, housings.Also be connected with signal projector, signal receiver and acceleration pick-up on the central process unit, be connected with an A/D converter between acceleration pick-up and the central process unit equally.
The forward and backward vehicle that travels in the same way on the moving traffic lane; when the collision happens of the place ahead; the automobile frontal collision active protection system startup work of front vehicles; crash sensor collision detection intensity; and to central process unit transmission collision alarm, this collision alarm is delivered to central process unit after A/D converter transforms.Send the radio early warning signal by signal projector near vehicle when central process unit receives collision alarm, prompting the place ahead has an accident, and prompting rear chaufeur slows down or detours.And the central process unit of front vehicles is being analyzed, is being handled the collision alarm that receives, when the collision alarm intensity that receives when judgement reaches setting value, then collision this time can send ignition signal to gas generator for serious collision, triggers the gas generator action.Steering-wheel-mounted driver air-bag produces a large amount of gases rapidly and is full of air bag after receiving ignition signal with the gas generator that is installed in the occupant's air bag in the instrument carrier panel, air bag comes out from driver air-bag decorative cover and instrument carrier panel borehole blasting on the steering handwheel, chaufeur and front-seat passenger are contacted with soft air bag when auto against, rather than fiercely collide with the interior trimming parts of automobile.
The signal receiver of front vehicle reminds chaufeur to note slowing down or detouring by annunciator or warning indicator lamp or mode that both combine after receiving the early warning signal that the place ahead accident vehicle sends.The information such as deceleration effect that obtain in conjunction with current vehicle speed, with the distance of accident vehicle and acceleration pick-up feedback by central process unit, by analysis, judge whether meeting and the place ahead accident vehicle generation rear-end impact after the processing, when meeting generation rear-end impact and collision degree when being serious, the air bag of active in the front opening that knocks into the back is installed in the automobile front beam upholstery border, produce buffer zone together between broken-down vehicle and the rear driving vehicle forwardly, thereby avoid a car to produce serious rear-end impact, reduce to collide injury chaufeur in the car and passenger; Simultaneously central process unit triggers front air bag in the car, and the process of airbag-releasing is identical during with above-mentioned common collision.
In order to guarantee that front vehicle can in time slow down, this automobile frontal collision active protection system can be connected with the brake system of automobile.After receiving early warning signal, can force brake to be slowed down automatically, shorten driver reaction time, can greatly reduce to collide to passenger's actual bodily harm and reduce to collide destruction vehicle, thus the automotive servicing expense after the reduction accident.
As a kind of prioritization scheme, can on front-seat each seat of automobile, sensor be set, detect on the seat whether the passenger is arranged, such as pressure sensor.When on detecting main driving and front passenger's seat, all the occupant being arranged, when safety air bag starts, need start main operator's saddle safety air bag and front passenger's seat safety air bag simultaneously; If having only on the main operator's saddle has the occupant, then only need to start main operator's saddle safety air bag and get final product, prevent the wasting of resources.

Claims (5)

1. automobile frontal collision active protection system, comprise air bag device and controller, the work of controller may command air bag device, it is characterized in that, described controller comprises central process unit, signal projector and signal receiver, signal projector and signal receiver all connect with central process unit, described central process unit can when collision near vehicle send early warning signal; Signal receiver then can be used for receiving the early warning signal that sends when front vehicles is collided, and the early warning signal that receives is transferred to central process unit, through judging whether initiatively to start the air bag device of this car after central process unit analysis, the processing.
2. a kind of automobile frontal collision active protection system according to claim 1; it is characterized in that; described air bag device comprises air bag, gas generator and crash sensor; crash sensor and gas generator all connect with above-mentioned central process unit; described airbag fold is positioned over the anterior place of headstock; gas generator is connected with air bag; above-mentioned central process unit may command gas generator action, crash sensor are used for collision detection intensity and transmit collision alarm to central process unit.
3. a kind of automobile frontal collision active protection system according to claim 2 is characterized in that, is connected with an A/D converter between described crash sensor and the central process unit.
4. according to claim 1 or 2 or 3 described a kind of automobile frontal collision active protection systems, it is characterized in that, also be connected with the acceleration pick-up that detects this car acceleration/accel on the described central process unit.
5. according to claim 1 or 2 or 3 described a kind of automobile frontal collision active protection systems, it is characterized in that, also be connected with a warning indicator lamp or annunciator on the described signal receiver.
CN 201010128262 2010-03-19 2010-03-19 Automobile frontal collision active protection system Pending CN101804800A (en)

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Application Number Priority Date Filing Date Title
CN 201010128262 CN101804800A (en) 2010-03-19 2010-03-19 Automobile frontal collision active protection system

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Application Number Priority Date Filing Date Title
CN 201010128262 CN101804800A (en) 2010-03-19 2010-03-19 Automobile frontal collision active protection system

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CN101804800A true CN101804800A (en) 2010-08-18

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102700457A (en) * 2012-06-07 2012-10-03 王宏伟 Car accident instant caution system
CN104097603A (en) * 2013-04-04 2014-10-15 通用汽车环球科技运作有限责任公司 High voltage color indicated air bags
CN105654752A (en) * 2016-04-06 2016-06-08 河南理工大学 Automobile driving security early-warning device for multiple automobiles
WO2017070765A1 (en) * 2015-10-25 2017-05-04 Paulo Roberto Jannotti Newlands Multifunctional airbag triggering system
CN107215271A (en) * 2017-06-15 2017-09-29 赵珊 A kind of car collision avoidance System and method
CN109183612A (en) * 2018-08-20 2019-01-11 国诚集团有限公司 A kind of bridge security protective device
CN110203163A (en) * 2019-05-09 2019-09-06 贵州凯峰科技有限责任公司 A kind of automobile collision accident safeguards system and its control method
CN112373468A (en) * 2020-11-10 2021-02-19 易显智能科技有限责任公司 Perception unit for detecting external objects and personnel of motor vehicle based on vision
CN112477795A (en) * 2020-11-20 2021-03-12 浙江吉利控股集团有限公司 Vehicle collision safety control system and control method and vehicle
CN113978434A (en) * 2021-11-26 2022-01-28 四川中卫北斗科技有限公司 Vehicle active safety intelligent prevention and control system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2048604U (en) * 1988-08-01 1989-11-29 朱树清 Motercycle accident warner
CN2419100Y (en) * 2000-04-07 2001-02-14 刘勋 Vehicle warning sign
CN100381301C (en) * 2004-12-16 2008-04-16 王运韬 Automobile bumper with active anti-collision air bag protection function
CN101327774A (en) * 2008-08-01 2008-12-24 王运韬 Vehicle active protection anti-collision air bag

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2048604U (en) * 1988-08-01 1989-11-29 朱树清 Motercycle accident warner
CN2419100Y (en) * 2000-04-07 2001-02-14 刘勋 Vehicle warning sign
CN100381301C (en) * 2004-12-16 2008-04-16 王运韬 Automobile bumper with active anti-collision air bag protection function
CN101327774A (en) * 2008-08-01 2008-12-24 王运韬 Vehicle active protection anti-collision air bag

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102700457A (en) * 2012-06-07 2012-10-03 王宏伟 Car accident instant caution system
CN104097603A (en) * 2013-04-04 2014-10-15 通用汽车环球科技运作有限责任公司 High voltage color indicated air bags
WO2017070765A1 (en) * 2015-10-25 2017-05-04 Paulo Roberto Jannotti Newlands Multifunctional airbag triggering system
US9643557B1 (en) 2015-10-25 2017-05-09 Paulo Roberto Jannotti Newlands Multifunctional airbag triggering system
CN105654752A (en) * 2016-04-06 2016-06-08 河南理工大学 Automobile driving security early-warning device for multiple automobiles
CN105654752B (en) * 2016-04-06 2018-06-29 河南理工大学 A kind of ride safety of automobile prior-warning device for multiple vehicles
CN107215271A (en) * 2017-06-15 2017-09-29 赵珊 A kind of car collision avoidance System and method
CN109183612A (en) * 2018-08-20 2019-01-11 国诚集团有限公司 A kind of bridge security protective device
CN110203163A (en) * 2019-05-09 2019-09-06 贵州凯峰科技有限责任公司 A kind of automobile collision accident safeguards system and its control method
CN112373468A (en) * 2020-11-10 2021-02-19 易显智能科技有限责任公司 Perception unit for detecting external objects and personnel of motor vehicle based on vision
CN112477795A (en) * 2020-11-20 2021-03-12 浙江吉利控股集团有限公司 Vehicle collision safety control system and control method and vehicle
CN113978434A (en) * 2021-11-26 2022-01-28 四川中卫北斗科技有限公司 Vehicle active safety intelligent prevention and control system

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Application publication date: 20100818