CN102514557A - Jet type emergency safety system for vehicle - Google Patents
Jet type emergency safety system for vehicle Download PDFInfo
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- CN102514557A CN102514557A CN2011104026115A CN201110402611A CN102514557A CN 102514557 A CN102514557 A CN 102514557A CN 2011104026115 A CN2011104026115 A CN 2011104026115A CN 201110402611 A CN201110402611 A CN 201110402611A CN 102514557 A CN102514557 A CN 102514557A
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Abstract
The invention discloses a jet type emergency safety system for a vehicle, which comprises a micro-processing controller, a vehicle state detecting unit, a flow control valve group, a high-pressure gas storage tank, a high-pressure gas generating tank, gas guide pipes and nozzles, wherein the high-pressure gas storage tank is connected with the nozzles arranged on the vehicle through the gas guide pipe, the micro-processing controller is respectively connected with the vehicle state detecting unit and the flow control valve group, the flow control valve group comprises a plurality of flow control valves, the micro-processing controller is connected with the flow control valve group through valve controllers, and the flow control valves are arranged among the high-pressure gas storage tank and the nozzles. High-pressure gas is jetted out through the nozzles, so that the vehicle obtains the thrust in the direction opposite to the jet direction. The jet type emergency safety system for the vehicle has the advantages that the system is capable of providing a certain external force, realizing emergent braking and sudden acceleration and preventing side turnover and side slip when the vehicle is in emergent braking, sudden acceleration, side turnover and side slip so that driving safety and the like of the vehicle is enhanced.
Description
Technical field
The present invention relates to a kind of jet-propelled emergency safety system, especially a kind of jet-propelled emergency safety system that is used for vehicle.
Background technology
At present, during car brakeing, be the emergency braking of realizing vehicle through the friction force between tire and the ground.When running into the wet and slippery situation of ice and snow, ground, tire and ground-surface friction coefficient will just reduce, thereby cause the glancing impact friction force not enough, cause braking ineffective, cause the generation of traffic accident.
Most driving engine, the electrical motors of relying on of vehicle power provide power at present, through the deceleration system tire on the drive wheels.The power that vehicle advances also comes from the friction force between wheel and the ground; Wet and slippery on ground, run into the abrupt slope or vehicle is got down hopeless in a quagmire, during the sand pit; Tire and ground-surface friction force will just reduce, and the friction force that vehicle receives can't make vehicle break away from mud pit or sand pit sometimes.At this moment, can only improve friction force through in mud pit or sand pit, being encased inside objects such as fragment of brick.Perhaps can only pass through people's force urges vehicle, vehicle is extricated oneself from a predicament.
When the speed of a motor vehicle glancing impact that comparatively fast and promptly turns round, vehicle is easy to break away.When the speed of a motor vehicle is very fast, turn,, can cause vehicle generation slippage, when serious vehicle can take place and skid off track, cause vehicle and personnel's damage, the person and the property of navigating mate caused damage because vehicle tyre can't provide enough centripetal force.
Vehicle in the process of moving; Run into sometimes the speed of a motor vehicle soon, promptly turn round, blow out, situation that tire hits the roadside step; This moment, the situation of crank usually can take place in vehicle; Also can cause vehicle rollover when serious, cause vehicle and personnel's damage, the person and the property of navigating mate caused damage.
Summary of the invention
The objective of the invention is the weak point that exists in the above-mentioned prior art for avoiding; A kind of jet-propelled emergency safety system that is used for vehicle is provided; Can when emergency brake of vehicle, flat-out acceleration, generation are turned on one's side and breakked away, certain external force being provided, increase the driving safety of vehicle.
The objective of the invention is to realize through following technical scheme:
The jet-propelled emergency safety system that is used for vehicle; Its constructional feature is to comprise microprocessor controller, vehicle-state detecting unit, flow-controlling gate group, high pressure tank, be used for the ventilation flue that the high pressure gas in the said high pressure tank are derived and be located at the nozzle on the vehicle; Said high pressure tank is connected with nozzle through the ventilation flue; Said microprocessor controller is connected with the flow-controlling gate group with vehicle-state detecting unit valve positioner respectively; By the vehicle-state detecting unit vehicle-state parameter that obtains is sent to microprocessor controller; Microprocessor controller is according to vehicle-state parameter generating control signal, and control signal is issued valve positioner and flow-controlling gate group; Said flow-controlling gate group includes a plurality of flow-controlling gates, and said microprocessor controller is connected with said flow-controlling gate group through valve positioner; Said flow-controlling gate is located between said high pressure tank and the said nozzle, is used to control the jet flow of nozzle; When flow-controlling gate was opened, the high pressure gas in the said high pressure tank made vehicle obtain direction and jet thrust in the opposite direction through the nozzle ejection.
The constructional feature that is used for the jet-propelled emergency safety system of automobile of the present invention also is:
The jet-propelled emergency safety system that is used for vehicle also comprises high-pressure aerated pump, by the inflation pump power-transfer clutch of microprocessor controller monitoring be used to detect the gas pressure sensor of the gaseous tension in the said high pressure tank; Said inflation pump power-transfer clutch all is connected with said microprocessor controller with gas pressure sensor; Said high-pressure aerated pump is connected with high pressure tank through appendix; Be provided with check valve between said high-pressure aerated pump and the high pressure tank; Said high-pressure aerated pump is connected with vehicle motor through the inflation pump power-transfer clutch, and drives high-pressure aerated pump by vehicle motor, and high-pressure aerated pump is used to the high pressure tank inflation; Gas pressure sensor sends the high pressure tank internal gas pressure value that records to microprocessor controller, and when gas pressure value reached setting value, microprocessor controller output shutdown signal broke off the inflation pump power-transfer clutch, and high-pressure aerated pump stops inflation.
The jet-propelled emergency safety system that is used for vehicle also comprises high-pressure aerated pump, gas-filled switching tube and is used to detect the gas pressure sensor of the gaseous tension in the said high pressure tank; Said gas-filled switching tube all is connected with said microprocessor controller with gas pressure sensor; Said high-pressure aerated pump is connected with high pressure tank through appendix; Be provided with check valve between said high-pressure aerated pump and the high pressure tank; Said high-pressure aerated pump is connected with the storage battery or the electrical generator of vehicle through gas-filled switching tube, is the high pressure tank inflation by storage battery or the high-pressure aerated pump of generator drive; Gas pressure sensor sends the high pressure tank internal gas pressure value that records to microprocessor controller, and when gas pressure value reached setting value, microprocessor controller output shutdown signal broke off gas-filled switching tube, and inflation pump stops inflation.
Said flow-controlling gate comprises the accelerated flow control valve, and said nozzle comprises accelerator nozzle; Said accelerator nozzle is located at the rear end of vehicle, comprises left accelerator nozzle and right accelerator nozzle.
Said flow-controlling gate comprises the braking flow-controlling gate, and said nozzle comprises brake jet, and said brake jet is located at vehicle front, comprises left brake jet and right brake jet.
Said flow-controlling gate comprises anti-sideslip flow-controlling gate, and said nozzle comprises anti-sideslip nozzle; The sliding nozzle in anti-left side, the sliding nozzle in rear defence left side, the sliding nozzle of sliding nozzle in preceding anti-right side and rear defence right side before said anti-sideslip nozzle comprises, said before the sliding nozzle in anti-left side slide nozzle with the rear defence left side and be located at the front-end and back-end of vehicle respectively, and be located at the right side of vehicle; The sliding nozzle of sliding nozzle in anti-right side and rear defence right side is located at the front-end and back-end of vehicle respectively before said, and is located at the left side of vehicle.
Said flow-controlling gate comprises the anti-rollover flow-controlling gate, and said nozzle comprises the anti-rollover nozzle; Nozzle was turned on the left of turning over nozzle, rear defence in anti-left side before said anti-rollover nozzle comprised, nozzle is turned on preceding anti-right side and nozzle is turned on the rear defence right side, and nozzle is turned in said preceding anti-left side and the front-end and back-end that nozzle is located at vehicle are respectively turned in the rear defence left side, and is located at the right side of vehicle; Prevent before said that nozzle is turned on the right side and the front-end and back-end that nozzle is located at vehicle are respectively turned on the rear defence right side, and be located at the left side of vehicle.
Said vehicle-state detecting unit includes car speed sensor, inclination sensor, inertial sensor, accelerator pedal sensor, wheel detection sensor, brake pedal sensor and bearing circle tachogen; Said microprocessor controller also is connected with the spacing checking system with the SRS system, is used to obtain the signal from SRS system and spacing checking system.
The jet-propelled emergency safety system that is used for vehicle also is provided with the high pressure gas generation tank.
The jet-propelled emergency safety system that is used for vehicle also is provided with the control key of the switch that is used for manual dominant discharge control cock, and said control key is located within the operator's compartment; Said nozzle is provided with sound arrester.
Beneficial effect of the present invention is:
1, the jet-propelled emergency safety system that is used for a car of the present invention; During emergency braking; Can reduce car speed rapidly, glancing impact does not receive that the road surface is wet and slippery, tire and slipperiness on roads etc. influence, even the operation of vehicle derailing ground; Also can reach vehicle moment deceleration, reduce the generation of vehicle collision, rear-end collision to greatest extent.During urgent the acceleration; When running into the ice and snow road tyre slip and can not advance, tire drops in the time of in pitting, can not saving oneself, when running into the not good enough power in abrupt slope and not increasing; A little bit poorer ultra not past tense when overtaking other vehicles; System of the present invention can provide moment thrust, thrust does not receive that the road surface is wet and slippery, tire and slipperiness on roads etc. influence, and reduces the generation of traffic accident to greatest extent.The speed of a motor vehicle glancing impact that soon, promptly turns round, vehicle are easy to break away, can produce lateral thrust at vehicular sideview and reach the anti-sideslip effect of vehicle, have reduced the generation that vehicle skids off the road surface accident to greatest extent.The speed of a motor vehicle soon, promptly turn round, blow out, when tire hits the roadside step; The vehicle centnifugal force is excessive to cause rollover easily; System of the present invention can produce lateral thrust at vehicular sideview and reach the preventing vehicle rollover effect, reduced the generation of the grave accident that vehicle rollover causes to greatest extent.
2, the present invention is used for the jet-propelled emergency safety system of vehicle, have can be in emergency brake of vehicle, flat-out acceleration, generation rollover and certain external force is provided when breakking away, guaranteeing can emergency braking and flat-out acceleration, and can prevent to turn on one's side and break away, guarantee the advantages such as driving safety of vehicle.
Description of drawings
According to accompanying drawing the present invention is done further explain below.
Fig. 1 is the functional block diagram of the gas replenishment process of jet-propelled emergency safety of the present invention system;
Fig. 2 is the control principle block diagram that jet-propelled emergency safety of the present invention system is set;
Fig. 3 is the structural representation (front view) that is provided with the vehicle of accelerator device of the present invention;
Fig. 4 is the structural representation (birds-eye view) that is provided with the vehicle of accelerator device of the present invention;
Fig. 5 is the structural representation (front view) that is provided with the vehicle of brake system of the present invention;
Fig. 6 is the structural representation (birds-eye view) that is provided with the vehicle of brake system of the present invention;
Fig. 7 is the structural representation (front view) that is provided with the vehicle of anti-sideslip of the present invention system;
Fig. 8 is the structural representation (birds-eye view) that is provided with the vehicle of anti-sideslip of the present invention system;
Fig. 9 is the structural representation (front view) that is provided with the vehicle of anti-rollover system of the present invention;
Figure 10 is the structural representation (birds-eye view) that is provided with the vehicle of anti-rollover system of the present invention;
Figure 11 is the control principle block diagram of high pressure gas generation tank when the high pressure gas generation tank is set of the present invention.
Among the figure:
1, microprocessor controller; 2, vehicle-state detecting unit, 201 car speed sensors; 202, inclination sensor; 203, inertial sensor; 204, accelerator pedal sensor; 205, wheel detection sensor; 206, brake pedal sensor; 207, bearing circle tachogen; 3, flow-controlling gate group; 301, accelerated flow control valve; 302, braking flow-controlling gate; 303, anti-sideslip flow-controlling gate; 304, anti-rollover flow-controlling gate; 4, inflation pump; 5, high pressure tank; 6, gas pressure sensor; 7, ventilation flue; 8, SRS system; 9, left accelerator nozzle; 10, right accelerator nozzle; 11, left brake jet; 12, right brake jet; 13, the sliding nozzle in preceding anti-left side; 14, the sliding nozzle in rear defence left side; 15, the sliding nozzle in preceding anti-right side; 16, the sliding nozzle in rear defence right side; 17, nozzle is turned in preceding anti-left side; 18, nozzle is turned in the rear defence left side; 19, nozzle is turned on preceding anti-right side; 20, nozzle is turned on the rear defence right side; 21, vehicle; 22, valve positioner; 23, appendix; 24, check valve; 25, spacing checking system; 26, adapter plate; 400, air pump driving device; 401, high pressure gas generation tank.
The specific embodiment
Referring to Fig. 1～Figure 11; The jet-propelled emergency safety system that is used for vehicle comprises microprocessor controller 1, vehicle-state detecting unit 2, flow-controlling gate group 3, high pressure tank 5, is used for the ventilation flue 7 that the high pressure gas in the said high pressure tank 5 are derived and is located at the nozzle on the vehicle 21; Said high pressure tank 5 is connected with nozzle through ventilation flue 7; Said microprocessor controller 1 is connected with flow-controlling gate group 3 with vehicle-state detecting unit 2 valve positioners respectively; By vehicle-state detecting unit 2 the vehicle-state parameter that obtains is sent to microprocessor controller 1; Microprocessor controller 1 is according to vehicle-state parameter generating control signal, and control signal is issued valve positioner and flow-controlling gate group 3; Said flow-controlling gate group 3 includes a plurality of flow-controlling gates, and said microprocessor controller 1 is connected with said flow-controlling gate group 3 through valve positioner 22; Said flow-controlling gate is located between said high pressure tank 5 and the said nozzle, is used to control the jet flow of nozzle; When flow-controlling gate was opened, the high pressure gas in the said high pressure tank 5 made vehicle 21 obtain direction and jet thrust in the opposite direction through the nozzle ejection.When vehicle is in emergency braking, need promptly quickens or be in rollover or during the sideslip state; The vehicle-state detecting unit will detect corresponding vehicle-state parameter, and microprocessor controller is opened the corresponding flow of flow-controlling gate according to corresponding vehicle-state parameter generating control signal; High pressure gas in the high pressure tank spray from nozzle through flow-controlling gate, ventilation flue; Form high pressure draft, and then vehicle is formed an anti-propelling thrust, promote emergency brake of vehicle or urgent the acceleration; The sideslip and the rollover trend that perhaps stop vehicle; Thereby improve the driving safety of vehicle, increased the person and the property safety of navigating mate, improve the safe reliability of vehicle.The variable flow-controlling gate of the servo flow of high speed is adopted in flow-controlling gate; Flow-controlling gate can be according to the airshed of control signal adjustment ejection; And can in 0.01 second～0.5 second, open or close, thereby obtain good emergency braking, acceleration, anti-rollover and sideslip effect.When nozzle was set, nozzle and car body bonded assembly position were provided with and strengthen adapter plate 26 as reaction-force plate, in order to avoid excessive and damage vehicle to the impact of car body.
In one embodiment, the jet-propelled emergency safety system that is used for vehicle of the present invention also comprise high-pressure aerated pump 4, by the inflation pump power-transfer clutch of microprocessor controller 1 monitoring be used to detect the gas pressure sensor 6 of the gaseous tension in the said high pressure tank 5; Said inflation pump power-transfer clutch all is connected with said microprocessor controller 1 with gas pressure sensor 6; Said high-pressure aerated pump 4 is connected with high pressure tank 5 through appendix 23; Be provided with check valve 24 between said high-pressure aerated pump 4 and the high pressure tank 5; Said high-pressure aerated pump 4 is connected with vehicle motor through the inflation pump power-transfer clutch, and drives high-pressure aerated pump 4 by vehicle motor, and high-pressure aerated pump 4 is used to high pressure tank 5 inflations; Gas pressure sensor 6 sends the high pressure tank that records 5 internal gas pressure values to microprocessor controller 1, and when gas pressure value reached setting value, microprocessor controller 1 output shutdown signal broke off the inflation pump power-transfer clutch, and high-pressure aerated pump stops inflation.This moment, vehicle motor and inflation pump power-transfer clutch were as air pump driving device 400.Drive high-pressure aerated pump by driving engine through the inflation pump power-transfer clutch, inflate to high pressure tank through appendix and check valve.When the air pressure in the high pressure tank reached the setting value between 10MPa～120MPa, by the control signal disconnection inflation pump power-transfer clutch of gas pressure sensor output, inflation was accomplished.When air pressure is lower than setting value, the inflation pump power-transfer clutch can connect, and starting high-pressure aerated pump is the high pressure tank inflation.For the vehicle that the has high-pressure aerated pump of civilian dress not, can car outer the outer inflation of car also can be filled other unreactable gas to the storage tank inflation, can not in time replenish gas after giving the gas filed vehicle storage tank venting of storage tank outward, can only be as disposable emergent use.
In another embodiment, the jet-propelled emergency safety system that is used for vehicle of the present invention also comprises high-pressure aerated pump 4, gas-filled switching tube and is used to detect the gas pressure sensor 6 of the gaseous tension in the said high pressure tank 5; Said gas-filled switching tube all is connected with said microprocessor controller 1 with gas pressure sensor 6; Said high-pressure aerated pump 4 is connected with high pressure tank 5 through appendix 23; Be provided with check valve 24 between said high-pressure aerated pump 4 and the high pressure tank 5; Said high-pressure aerated pump 4 is connected with the storage battery or the electrical generator of vehicle through gas-filled switching tube, is high pressure tank 5 inflations by storage battery or the high-pressure aerated pump 4 of generator drive; Gas pressure sensor 6 sends the high pressure tank that records 5 internal gas pressure values to microprocessor controller 1, and when gas pressure value reached setting value, microprocessor controller 1 output shutdown signal broke off gas-filled switching tube, and inflation pump stops inflation.Storage battery or electrical generator are as air pump driving device 400 at this moment, and gas-filled switching tube is as the switch of air pump driving device 400.High-pressure aerated pump motor is connected on storage battery or the electrical generator, is that high-pressure aerated pump motor provides power supply by storage battery or electrical generator, is the high pressure tank inflation through the high-pressure aerated pump of direct motor drive.When the air pressure in the high pressure tank reached the setting value between 10MPa～120MPa, gas pressure sensor 6 took place shutdown signal to gas-filled switching tube, broke off gas-filled switching tube, and inflation finishes.When air pressure was lower than lower limit set value, gas pressure sensor 6 took place starting-up signal to gas-filled switching tube, and meeting actuating motor, high-pressure aerated pump are the high pressure tank inflation.
Said flow-controlling gate comprises accelerated flow control valve 301, and said nozzle comprises accelerator nozzle; Said accelerator nozzle is located at the rear end of vehicle 21, comprises left accelerator nozzle 9 and right accelerator nozzle 10.Said accelerator nozzle is located at the rear vehicle of vehicle.Because speed is very fast during the high pressure gas ejection; Need through outside the water conservancy diversion diffusion shell ejection car; The distance of nozzle distance rear vehicle end face is about 1m, and best distance is more than the 1m under the car body position permission situation, when air-flow arrives the space outside the car body thus; Air-flow diffusion velocity has towards periphery reduced a lot, and air-flow can not injure the people around the car body or damage car body object on every side.Left side accelerator nozzle and right accelerator nozzle are located at the both sides of car body symmetrically; The direction of gaseous blast be car body the rear and for air flow line on the lower side; With obtain certain upwards and the thrust of advancing, and the setting of the interface position through the ventilation flue guarantees that the gaseous blast speed of the two or more nozzles in the left and right sides is consistent.Because jet is 1 °～10 ° of oblique belows, can reduce vehicle to ground-surface pressure, and then reduce the friction force between vehicle tyre and the ground, more helps the acceleration of vehicle.Can there be an angle in the gaseous blast direction that guarantees accelerator nozzle between the positive forward direction of the central axis of accelerator nozzle and vehicle on the lower side, and the scope of this angle is between 1 °～10 °.
Said flow-controlling gate comprises braking flow-controlling gate 302, and said nozzle comprises brake jet, and said brake jet is located at vehicle 21 front ends, comprises left brake jet 11 and right brake jet 12.Said brake jet is located at the Vehicular body front of vehicle.The distance of nozzle distance vehicle front face is about 1m, and best distance is more than the 1m under the car body position permission situation.A left side brake jet and right brake jet are located at the both sides of car body symmetrically, and jet direction is the place ahead of car body and is obliquely direction, and the setting of the interface position through the ventilation flue guarantees that the jet velocity of the two or more nozzles in the left and right sides is consistent.Because jet is oblique upper, can increase vehicle to ground-surface pressure, and then increase the friction force between vehicle tyre and the ground.Can there be an angle in the gaseous blast direction that guarantees brake jet between the positive forward direction of the central axis of brake jet and vehicle on the upper side, and the scope of this angle is between 1 °～15 °.
Said flow-controlling gate comprises anti-sideslip flow-controlling gate 303, and said nozzle comprises anti-sideslip nozzle; The sliding nozzle 13 in anti-left side, the sliding nozzle 14 in rear defence left side, the sliding nozzle 16 of sliding nozzle 15 in preceding anti-right side and rear defence right side before said anti-sideslip nozzle comprises; The sliding nozzle 13 in anti-left side is located at the front-end and back-end of vehicle 21 respectively with the sliding nozzle 14 in rear defence left side before said, and is located at the right side of vehicle 21; The sliding nozzle 15 in anti-right side is located at the front-end and back-end of vehicle 21 respectively with the sliding nozzle 16 in rear defence right side before said, and is located at the left side of vehicle 21.The sliding nozzle in anti-left side is located at the right side of vehicle, and jet direction is the positive left of vehicle and is obliquely direction, high pressure draft process directly over the vehicle, and air-flow velocity reduces when arriving the car body left side, avoids the generation of casualty accident; In like manner, the nozzle that anti-right side is sliding is located at the left side of vehicle, and jet direction is the just right-hand of vehicle and is obliquely direction.Cooresponding nozzle all is benchmark with the car body, is provided with symmetrically, to guarantee anti-effect of breakking away, avoids the vehicle discontinuity and the accident that rotate in the original place takes place.Anti-sideslip nozzle can be located at the front and back of car body, and general sideslip all has the whipping phenomenon, so the nozzle diameter of back is bigger than front nozzle diameter, and the distance between the ground be car body high about 2/3.Because jet is oblique upper, can increase vehicle to ground-surface pressure, and then increase the friction force between vehicle tyre and the ground.Can there be an angle in the gaseous blast direction of anti-sideslip nozzle between the central axis of anti-sideslip nozzle and the positive forward direction of vehicle on the upper side, and the scope of this angle is between 1 °～15 °.
Said flow-controlling gate comprises anti-rollover flow-controlling gate 304, and said nozzle comprises the anti-rollover nozzle; Nozzle 18 was turned on the left of turning over nozzle 17, rear defence in anti-left side before said anti-rollover nozzle comprised, nozzle 19 is turned on preceding anti-right side and nozzle 20 is turned on the rear defence right side; Anti-left side is turned over nozzle 17 and is turned over the front-end and back-end that nozzle 18 is located at vehicle 21 respectively with the rear defence left side before said, and is located at the right side of vehicle 21; Anti-right side is turned over nozzle 19 and is turned over the front-end and back-end that nozzle 20 is located at vehicle 21 respectively with the rear defence right side before said, and is located at the left side of vehicle 21.The nozzle that anti-left side is turned over is located at the right side of vehicle, and jet direction is a direction on the positive left avertence of vehicle, and high pressure draft is process from the vehicle top, and air-flow velocity reduces when arriving the car body left side, avoids the generation of casualty accident; In like manner, the nozzle that anti-right side is turned over is located at the left side of vehicle, and jet direction is a direction on the positive right avertence of vehicle.Cooresponding nozzle all is benchmark with the car body, is provided with symmetrically, to guarantee anti-rolling effect, avoids the vehicle discontinuity and the accident that rotate in the original place takes place.The anti-rollover nozzle is the best to be located at roof, can obtain maximum anti-rollover moment like this, can obtain best anti-rollover effect.Can there be an angle in the gaseous blast direction of anti-rollover nozzle between the positive forward direction of the central axis of anti-rollover nozzle and vehicle on the upper side, and the scope of this angle is between 1 °～30 °.
Through accelerator nozzle, brake jet, anti-sideslip nozzle and anti-rollover nozzle and corresponding flow-controlling gate are set, can realize different functions.Each nozzle is respectively applied for to different directions ejection high pressure gas and forms air-flow, thereby makes vehicle obtain an oppositely directed thrust, need quicken or glancing impact provides external force at vehicle, makes vehicle in very short time, to quicken or to brake; When defective steering stabilizer or rollover, reverse side thrust is provided, makes vehicle return to normal condition rapidly, avoid taking place to break away or rollover, guarantee vehicle safety.
Said vehicle-state detecting unit includes car speed sensor 201, inclination sensor 202, inertial sensor 203, accelerator pedal sensor 204, wheel detection sensor 205, brake pedal sensor 206 and bearing circle tachogen 207; Said microprocessor controller 1 also is connected with spacing checking system 25 with SRS system 8, is used to obtain the signal from SRS system 8 and spacing checking system 25.SRS (Supplemental Restraint System) system; It is supplemental restraint system; Its in-to-in control system comprises crash sensor, and this internal control system is connected with microprocessor controller 1 of the present invention, and sends coherent signal to microprocessor controller 1.The vehicle speed sensor is used to detect Vehicle Speed.Inclination sensor is used to detect the car body angle of inclination.Inertial sensor is used to detect the centnifugal force of vehicle, judges the sideslip degree of vehicle.Accelerator pedal sensor is used to detect the kinematic velocity of Das Gaspedal, if the Das Gaspedal rapid movement are breasted the tape when reaching certain force, will start the accelerated flow control valve this moment, just explains that vehicle needs urgent the acceleration.The wheel detection sensor is used to detect the rotary state of wheel, if wheel rotates backward or the speed of a motor vehicle reduces to zero, just closes the braking flow-controlling gate, in order to avoid braking reaction thrust overlong time causes vehicle rollback to have an accident.Brake pedal sensor is used to detect the kinematic velocity of brake pedal, if the brake pedal rapid movement are stepped on terminal point when reaching certain force when pedal brake power, explains that vehicle needs emergency braking, will start the braking flow-controlling gate this moment, the measure of enforcement emergency braking; When the speed of a motor vehicle is 0 or wheel when being in the state that rotates backward, explain that braking procedure finishes, and closes the braking flow-controlling gate.The bearing circle tachogen is used to detect the velocity of rotation of bearing circle, if bearing circle rotates rapidly, explains that vehicle is at sharply turning; According to the anti-skid force of inertial sensor data, bearing circle tachogen data and car speed calculating needs, open the anti-sideslip flow that needs.Each sensor in real time ground sends to microprocessor controller with the vehicle-state parameter; Microprocessor controller is judged the state of vehicle according to each parametric synthesis; Send control signal corresponding for then each flow-controlling gate; Open flow or close flow-controlling gate, make vehicle hightail dangerous situation, improve the driving safety of vehicle.When SRS sends the collision instruction, brake the flow-controlling gate meeting and open automatically to realize the purpose of braking rapidly.The spacing checking system includes the rang sensor that is used to detect the distance between vehicle and other objects; When distance between vehicle and other objects less than safety distance and the speed of a motor vehicle during up to certain numerical value; Explain that vehicle needs emergency braking; This moment, a control signal took place will for the braking flow-controlling gate in microprocessor controller, opened the braking flow-controlling gate and carried out the fuel feeding that emergency braking will kill engine simultaneously.If vehicle is not provided with the spacing checking system, rang sensor can also be set separately, rang sensor is connected with microprocessor controller.Said inclination sensor is MEMS gyroscope or other inclination sensor that band numeral is exported, analog quantity is exported.The MEMS gyro has that volume is little, in light weight, low-cost, high reliability, low-power consumption, wide range and be easy to advantages such as digitalisation, intellectuality, can numeral export, and can improve the reliability of system.
In the 3rd embodiment, the jet-propelled emergency safety system that is used for vehicle of the present invention also is provided with high pressure gas generation tank 401.When the minicar space does not possess dress storage tank, inflation pump, can on minicar, not adorn a minitype high voltage generation of gas jar, in jar gas generating unit is housed.When in case of emergency, jar implode produces high pressure gas through the nozzle ejection, forms high pressure draft; And then to anti-propelling thrust of vehicle formation; Promote emergency brake of vehicle or urgent the acceleration, thereby improve the driving safety of vehicle, increased the person and the property safety of navigating mate; Improve the safe reliability of vehicle, jar implode produces high pressure gas can only be as disposable emergent use.The high pressure gas generation tank; Also can and be used to vehicle with the high pressure tank safety system; When vehicle runs into the rollover of emergency braking or motorcoach during the requirement of high pressure tank atmospheric pressure out of reach, start jar implode and produce high pressure gas to replenish storage tank little, the problem of tolerance deficiency.
The jet-propelled emergency safety system that is used for vehicle of the present invention also can be provided with the control key of the switch that is used for manual dominant discharge control cock, and said control key is located within the operator's compartment; Said nozzle is provided with sound arrester.Through control key, navigating mate can manually be controlled each flow-controlling gate, and the additional function of vehicle ' is provided, and makes that the operation of vehicle is more convenient, improves the operating performance of vehicle.Owing on nozzle, be provided with sound arrester, reduced the noise when jet.
Like Fig. 5～Fig. 6, the emergency braking process: need car be stopped in short range when running into emergency case, only the parking of roller tire and ground-surface friction force is not enough sometimes.The high pressure air that high pressure tank 5 stores sprays from brake jet through flow-controlling gate, ventilation flue, air flow line forward, vehicle obtains (antagonistic force) thrust backward, makes vehicle slow down rapidly.When the speed of a motor vehicle drop to 0 or wheel detection sensor 205 detect four wheels when reversing is arranged, the flow-controlling gate meeting is closed rapidly, prevents the vehicle backward.When vehicle was in following state, braking flow-controlling gate meeting was opened automatically: 1) when microprocessor controller sends braking instruction, control system can be calculated the size of ejection airshed according to the existing speed of a motor vehicle, and during near collision, braking flow-controlling gate meeting is all opened; 2) instruct when SRS sends collision, braking flow-controlling gate meeting is opened automatically; 3) step on terminal point when reaching certain force, through brake pedal sensor 206 feedbacks when pedal brake power, control system can be calculated the size of ejection airshed according to the existing speed of a motor vehicle, reduces car speed to greatest extent; 4) run into extraordinary circumstances when vehicle, when needing manual operation control brake power, operating personal can be opened the braking flow-controlling gate by force through the flow-controlling gate of control key control brake.
Like Fig. 3～Fig. 4, urgent accelerator: need urgent the acceleration when running into emergency case and special road surface, all roller tire and ground-surface friction force are not enough.The high pressure air that high pressure tank 5 stores sprays from accelerator nozzle through flow-controlling gate, ventilation flue; Vehicle obtains a thrust forward, makes vehicle quicken very soon, when Das Gaspedal moment floors; Through accelerator pedal sensor 204 feedbacks; Control system can be calculated the size of ejection airshed according to the existing speed of a motor vehicle, improves car speed to greatest extent.When the spacing checking system detects spacing when too small, the accelerated flow control valve can be closed immediately, prevents vehicle rear-end collision.When vehicle runs into extraordinary circumstances, when needing manual operation promptly to quicken, can open the accelerated flow control valve by force through control key, according to design demand adjustment nozzle, and can be through control jet time and speed control, the thrust size that adjustment is quickened with hold time.
Like Fig. 7～Fig. 8, anti-sideslip process: the speed of a motor vehicle glancing impact that soon, promptly turns round, the vehicle centnifugal force causes vehicle to skid off the road surface greatly, and vehicle is easy to break away, whipping.When the vehicle fast running to left sharp turn; Vehicle can break away to the right, whipping, through the detection data of inertial sensor 203, bearing circle tachogen, and the anti-sideslip flow-controlling gate of microprocessor controller control; The sliding nozzle 15 in the anti-in the past right side of high pressure gas is slided ejection in the nozzle 16 with the rear defence right side; Produce one and the rightabout antagonistic force of gaseous blast immediately, produce lateral thrust, prevent defective steering stabilizer at vehicular sideview.The sliding principle in the anti-left side of vehicle is identical with the sliding principle in anti-right side.When measuring the vehicle centnifugal force and diminish, vehicle does not break away, and anti-sideslip flow-controlling gate meeting SELF CL prevents that lateral thrust from crossing to push away.When bearing circle is turned back to certain angle, direction of passage dish tachogen feedback, control system can be calculated the size of ejection airshed according to degreeof turn, vehicle speed, contrast, closes up to anti-sideslip flow-controlling gate.When vehicle runs into extraordinary circumstances; When needing manual operation to prevent breakking away, can open anti-sideslip flow-controlling gate by force, according to design vehicle center of gravity needs adjustment nozzle location through control key; And can adjust anti-thrust size of breakking away and hold time through control jet time and speed control.
Like Fig. 9～Figure 10; The anti-rollover process: the speed of a motor vehicle soon, promptly turn round, blow out, when tire hits the roadside step, tall vehicle is easy to rollover, the detection data that obtain through inclination sensor 202 and car speed sensor 201; The angle that vehicle will be turned on one's side is calculated in the microprocessor controller comparison; High pressure gas spray from the anti-rollover nozzle, produce lateral thrust at vehicular sideview, prevent vehicle rollover.Learn vehicle when the inclination sensor measurement and returned to safety when not turning on one's side the full angle state that SELF CL in the anti-sideslip flow-controlling gate meeting prevents that lateral thrust from crossing to push away.When vehicle runs into extraordinary circumstances; When needing the manual operation anti-rollover, can open the anti-rollover flow-controlling gate by force, according to design demand adjustment nozzle through control key; And can adjust anti-rolling thrust size and hold time through control jet time and speed control.
Among Fig. 3～Figure 10, arrow A be vehicle the place ahead to, arrow B is the emission direction of high pressure gas.Be connected through high voltage bearing ventilation flue between high pressure tank and each nozzle.
Shown in figure 11, emergency safety of the present invention system also is provided with high pressure gas generation tank 401.When in case of emergency; Microprocessor is according to the detected parameters of vehicle-state detecting unit, spacing checking system and SRS system; Start the gas generating unit in the high pressure gas generation tank 401; The jar implode produces high pressure gas through the nozzle ejection, and vehicle is formed an anti-propelling thrust, promotion emergency brake of vehicle or urgent the acceleration.
Though below only described specific embodiment example of the present invention, it will be understood by those of skill in the art that these only are casehistorys, protection scope of the present invention is limited appended claims.Those skilled in the art can make numerous variations or modification to these embodiments under the prerequisite that does not deviate from principle of the present invention and essence, but these changes or modification all fall into protection scope of the present invention.
Claims (10)
1. the jet-propelled emergency safety system that is used for vehicle; It is characterized in that, comprise microprocessor controller (1), vehicle-state detecting unit (2), flow-controlling gate group (3), high pressure tank (5), be used for the ventilation flue (7) that the high pressure gas in the said high pressure tank (5) are derived and be located at the nozzle on the vehicle (21); Said high pressure tank (5) is connected with nozzle through ventilation flue (7); Said microprocessor controller (1) is connected with flow-controlling gate group (3) with vehicle-state detecting unit (2) valve positioner respectively; By vehicle-state detecting unit (2) the vehicle-state parameter that obtains is sent to microprocessor controller (1); Microprocessor controller (1) is according to vehicle-state parameter generating control signal, and control signal is issued valve positioner and flow-controlling gate group (3); Said flow-controlling gate group (3) includes a plurality of flow-controlling gates, and said microprocessor controller (1) is connected with said flow-controlling gate group (3) through valve positioner (22); Said flow-controlling gate is located between said high pressure tank (5) and the said nozzle, is used to control the jet flow of nozzle; When flow-controlling gate was opened, the high pressure gas in the said high pressure tank (5) made vehicle (21) obtain direction and jet thrust in the opposite direction through the nozzle ejection.
2. the jet-propelled emergency safety system that is used for vehicle according to claim 1; It is characterized in that, also comprise high-pressure aerated pump (4), by the inflation pump power-transfer clutch and the gas pressure sensor (6) that is used to detect the gaseous tension in the said high pressure tank (5) of microprocessor controller (1) monitoring; Said inflation pump power-transfer clutch all is connected with said microprocessor controller (1) with gas pressure sensor (6); Said high-pressure aerated pump (4) is connected with high pressure tank (5) through appendix (23); Be provided with check valve (24) between said high-pressure aerated pump (4) and the high pressure tank (5); Said high-pressure aerated pump (4) is connected with vehicle motor through the inflation pump power-transfer clutch, and drives high-pressure aerated pump (4) by vehicle motor, and high-pressure aerated pump (4) is used to high pressure tank (5) inflation; Gas pressure sensor (6) sends the high pressure tank that records (5) internal gas pressure value to microprocessor controller (1); When gas pressure value reaches setting value; Microprocessor controller (1) output shutdown signal breaks off the inflation pump power-transfer clutch, and high-pressure aerated pump stops inflation.
3. the jet-propelled emergency safety system that is used for vehicle according to claim 1 is characterized in that, also comprises high-pressure aerated pump (4), gas-filled switching tube and is used to detect the gas pressure sensor (6) of the gaseous tension in the said high pressure tank (5); Said gas-filled switching tube all is connected with said microprocessor controller (1) with gas pressure sensor (6); Said high-pressure aerated pump (4) is connected with high pressure tank (5) through appendix (23); Be provided with check valve (24) between said high-pressure aerated pump (4) and the high pressure tank (5); Said high-pressure aerated pump (4) is connected with the storage battery or the electrical generator of vehicle through gas-filled switching tube, is high pressure tank (5) inflation by storage battery or the high-pressure aerated pump of generator drive (4); Gas pressure sensor (6) sends the high pressure tank that records (5) internal gas pressure value to microprocessor controller (1), and when gas pressure value reached setting value, microprocessor controller (1) output shutdown signal broke off gas-filled switching tube, and inflation pump stops inflation.
4. the jet-propelled emergency safety system that is used for vehicle according to claim 1 is characterized in that said flow-controlling gate comprises accelerated flow control valve (301), and said nozzle comprises accelerator nozzle; Said accelerator nozzle is located at the rear end of vehicle (21), comprises left accelerator nozzle (9) and right accelerator nozzle (10).
5. the jet-propelled emergency safety system that is used for vehicle according to claim 1; It is characterized in that; Said flow-controlling gate comprises braking flow-controlling gate (302); Said nozzle comprises brake jet, and said brake jet is located at vehicle (21) front end, comprises left brake jet (11) and right brake jet (12).
6. the jet-propelled emergency safety system that is used for vehicle according to claim 1 is characterized in that said flow-controlling gate comprises anti-sideslip flow-controlling gate (303), and said nozzle comprises anti-sideslip nozzle; The sliding nozzle (13) in anti-left side, the sliding nozzle (14) in rear defence left side, the sliding nozzle (16) of sliding nozzle (15) in preceding anti-right side and rear defence right side before said anti-sideslip nozzle comprises; Sliding nozzle (13) in anti-left side and the rear defence sliding nozzle in left side (14) are located at the front-end and back-end of vehicle (21) respectively before said, and are located at the right side of vehicle (21); Sliding nozzle (15) in anti-right side and the sliding nozzle in rear defence right side (16) are located at the front-end and back-end of vehicle (21) respectively before said, and are located at the left side of vehicle (21).
7. the jet-propelled emergency safety system that is used for vehicle according to claim 1 is characterized in that said flow-controlling gate comprises anti-rollover flow-controlling gate (304), and said nozzle comprises the anti-rollover nozzle; Nozzle (18) was turned on the left of turning over nozzle (17), rear defence in anti-left side before said anti-rollover nozzle comprised, nozzle (19) is turned on preceding anti-right side and nozzle (20) is turned on the rear defence right side; Anti-left side is turned over and is turned over nozzle (18) on the left of nozzle (17) and the rear defence and be located at the front-end and back-end of vehicle (21) respectively before said, and is located at the right side of vehicle (21); Anti-right side is turned over nozzle (19) and rear defence right side and is turned over nozzle (20) and be located at the front-end and back-end of vehicle (21) respectively before said, and is located at the left side of vehicle (21).
8. the jet-propelled emergency safety system that is used for vehicle according to claim 1; It is characterized in that said vehicle-state detecting unit includes car speed sensor (201), inclination sensor (202), inertial sensor (203), accelerator pedal sensor (204), wheel detection sensor (205), brake pedal sensor (206) and bearing circle tachogen (207); Said microprocessor controller (1) also is connected with spacing checking system (25) with SRS system (8), is used to obtain the signal from SRS system (8) and spacing checking system (25).
9. the jet-propelled emergency safety system that is used for vehicle according to claim 1 is characterized in that, also is provided with high pressure gas generation tank (401).
10. the jet-propelled emergency safety system that is used for vehicle according to claim 1 is characterized in that also be provided with the control key of the switch that is used for manual dominant discharge control cock, said control key is located within the operator's compartment; Said nozzle is provided with sound arrester.
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| CN2011104026115A CN102514557A (en) | 2011-12-07 | 2011-12-07 | Jet type emergency safety system for vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104026115A CN102514557A (en) | 2011-12-07 | 2011-12-07 | Jet type emergency safety system for vehicle |
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| CN102514557A true CN102514557A (en) | 2012-06-27 |
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| CN2011104026115A Pending CN102514557A (en) | 2011-12-07 | 2011-12-07 | Jet type emergency safety system for vehicle |
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| CN114670791A (en) * | 2022-03-30 | 2022-06-28 | 摩拜(北京)信息技术有限公司 | Vehicle braking method and vehicle |
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Application publication date: 20120627 |