The motor insurance pad
Technical field
The utility model relates to a kind of inflatable packer, especially relates to a kind of motor insurance pad that is used for the automatically retractable of vehicle and pedestrian protecting.
Background technology
Existing vehicle is generally established bumper/spoiler at headstock.In addition, safety air bag has been widely used in vehicle driver and crew's the protection.
Publication number provides a kind of automobile the forward and backward formula safety air bag shock absorber of putting for the application for a patent for invention of CN1204599.This device is made up of adapter plate and gascollecting cap cylinder, open valve, exhaust pump and pipeline etc. that safety air bag and safety air bag front end buffering outer cover and safety air bag rear side link.When the driver thinks that the vehicle driven inevitably or may take place to bump against with other vehicle the time, opens this device, it is extrapolated that gas makes safety air bag cushion outer cover.Bump against when taking place,, can reduce the impulsive force of vehicle when front and rear direction collides, passengers inside the car are played the safety guard-safeguard effect better, the damage rate of vehicle is reduced because of the effect of safety air bag shock absorber is arranged.This invention differs and is able to do in time surely to inflate fully and open when " driver thinks that the vehicle driven inevitably or may take place to bump against the time with other vehicle ", may just knock; And can not withdraw automatically.
Summary of the invention
The purpose of this utility model is to provide a kind of motor insurance pad that is used for the automatically retractable of vehicle and pedestrian protecting.
The utility model is provided with air bag and ECU (Electrical Control Unit), air bag and lower gasbag before described air bag is provided with; Preceding air bag is located at vehicle front, and lower gasbag is located between automobile body and the chassis, or between vehicle body and vehicle propons and the vehicle rear axle, preceding air bag is communicated with lower gasbag, and lower gasbag or preceding air bag are provided with air bag air inlet valve and air bag blow off valve; The input end of ECU (Electrical Control Unit) connects the car speed sensor and the baroceptor of vehicle respectively, and the mouth of ECU (Electrical Control Unit) connects air pump, air bag air inlet valve and air bag blow off valve respectively, and air pump is connected with the air bag air inlet valve; Before air bag be provided with spring, be used for vehicle speed less than a certain numerical value or vehicle parking after the withdrawal before air bag; Air bag is provided with crash sensor before described, crash sensor is used to detect the degree whether vehicle bumps and bump, the electric-control system of the external vehicle of crash sensor, as collision happens, the information that is about to collision happens is passed to the brake system of vehicle.
Described air bag also can be provided with rear gasbag, and rear gasbag is provided with rear gasbag air inlet valve and rear gasbag blow off valve, and the rear gasbag air inlet valve is connected with the ECU (Electrical Control Unit) mouth with the rear gasbag blow off valve, and the rear gasbag air inlet valve is connected with air pump.On rear gasbag, preferably be provided with Rear springs, be used for the vehicle speed Rear springs of withdrawing after less than a certain numerical value or parking of automobile.On rear gasbag, preferably be provided with the back crash sensor, back crash sensor is used to detect the degree whether vehicle bumps and bump, the electric-control system of the external vehicle of back crash sensor, as collision happens, the information that is about to collision happens is passed to the electric-control system of vehicle.
Described air bag preferably also is provided with A-pillar and rear column, and A-pillar preferably is located at vehicle propons place, and rear column preferably is located at the vehicle rear axle place, and A-pillar and rear column are communicated with lower gasbag, and described lower gasbag can adopt the tubulose air bag.
Described air bag comprises preceding air bag, lower gasbag, rear gasbag, A-pillar and rear column, can be inflatable rubber pneumatic bag or rubber and plastic air bag.The outline of air bag, rear gasbag is a swept-out before described.
Described ECU (Electrical Control Unit) can adopt existing control circuit, control circuit is made up of input circuit, amplification treatment circuit and output control circuit, the input circuit input end connects the car speed sensor signal output part and the baroceptor signal output part of vehicle respectively, amplification treatment circuit input termination input circuit mouth, the output signal of car speed sensor and the output signal of baroceptor after the amplification treatment circuit processing and amplifying by output control circuit direct control air pump, air bag air inlet valve and air bag blow off valve.
When automobile normal running (as speed greater than 5km/h), the output signal of car speed sensor is delivered to control circuit, control circuit is promptly controlled air pump and is started, to preceding air bag, lower gasbag and rear gasbag inflation, preceding air bag promptly stretches out the about 1~2m of front end of vehicle automatically, rear gasbag also stretches out the about 0.5~2m in rear end of vehicle automatically, in case vehicle and objects in front bump against or knock into the back, preceding air bag and rear gasbag play buffer action on the one hand, lower gasbag (containing A-pillar and the rear column) pressure that is contained on the other hand between vehicle body and the chassis will increase, thereby vehicle body is suitably raised, made the chassis that ground-surface application force is increased simultaneously, impel that automobile is easier to be stopped; After the automobile orderly shutdown, preceding air bag and rear gasbag can be withdrawn automatically by spring.
Because the utility model is provided with preceding air bag, rear gasbag, lower gasbag and ECU (Electrical Control Unit), preceding air bag is located at vehicle front, rear gasbag is located at rear vehicle end, lower gasbag is located between automobile body and the chassis, or between vehicle body and vehicle propons and the back axle, therefore when vehicle met accident collision, gas filed preceding air bag, rear gasbag and lower gasbag played buffering immediately and even avoid taking place the effect of major accident.In addition, owing on preceding air bag and rear gasbag, be provided with spring, so after vehicle speed is less than a certain numerical value or parking of automobile, air bag and rear gasbag before the regracting.Simultaneously owing on preceding air bag and rear gasbag, be provided with crash sensor, crash sensor can be used for detecting the degree whether vehicle bumps and bump, the electric-control system of the external vehicle of crash sensor, as collision happens, the information that is about to collision happens is passed to the electric-control system of vehicle.The utility model is specially adapted to various vehicles such as passenger vehicle, bus, medical truck, truck, lorry.
Description of drawings
Fig. 1 is that the structure of the utility model embodiment 1 is formed and the running condition scheme drawing.
Fig. 2 is that the ECU (Electrical Control Unit) of the utility model embodiment 1 is formed scheme drawing.
Fig. 3 is that the structure of the utility model embodiment 2 is formed and the running condition scheme drawing.
The specific embodiment
Following examples will be further described the utility model in conjunction with the accompanying drawings.
Embodiment 1
Referring to Fig. 1 and 2, embodiment 1 is provided with crash sensor 1, preceding air bag 2, spring 3, lower gasbag 7 and ECU (Electrical Control Unit) 17.
Preceding air bag 2 is located at vehicle 11 front ends, and lower gasbag 7 is located between the vehicle body and chassis of vehicle 11, or between vehicle body and vehicle propons 5 and the vehicle rear axle 9, preceding air bag 2 is communicated with lower gasbag 7, and lower gasbag 7 is provided with air bag air inlet valve 4 and air bag blow off valve 8; The input end of ECU (Electrical Control Unit) 17 connects the car speed sensor 171 and the baroceptor 172 of vehicle 11 respectively, and the mouth of ECU (Electrical Control Unit) 17 connects air pump 173, air bag air inlet valve 4 and air bag blow off valve 8 respectively.ECU (Electrical Control Unit) 17 can adopt existing control circuit, control circuit is made up of input circuit, amplification treatment circuit and output control circuit, the input circuit input end connects car speed sensor 171 signal output parts and baroceptor 172 signal output parts of vehicle 11 respectively, amplification treatment circuit input termination input circuit mouth, the output signal of the output signal of car speed sensor 171 and baroceptor 172 after the amplification treatment circuit processing and amplifying by output control circuit direct control air pump 173, air bag air inlet valve 4 and air bag blow off valve 8.Output control circuit can adopt the electromagnetic relay control circuit.
The spring 3 that is located on the preceding air bag 2 is used for the speed of a motor vehicle of vehicle 11 less than a certain numerical value (for example less than 5km/h) or the preceding air bag 2 of the vehicle rapid withdrawal in 11 parking backs.
The crash sensor 1 of air bag 2 front ends is used to detect the degree whether vehicle 11 bumps and bump before being located at, the electric-control system of crash sensor 1 external vehicle 11, bump as vehicle 11, be about to the electric-control system that information that vehicle 11 bumps is passed to vehicle 11.
Described air bag preferably also is provided with A-pillar 6 and rear column 10, and A-pillar 6 is located at vehicle propons 5 places, and rear column 10 is located at vehicle rear axle 9 places, and A-pillar 6 and rear column 10 are communicated with lower gasbag 7, and lower gasbag 7 can have been adopted the tubulose air bag.Described air bag, air bag 2, lower gasbag 7, rear gasbag 13, A-pillar 6 and rear column 10 all adopt inflatable rubber pneumatic bag or rubber and plastic air bag before comprising.
When vehicle start travels (as speed greater than 5Km/h), ECU (Electrical Control Unit) receives the signal from the car speed sensor of vehicle itself, when the speed of a motor vehicle surpasses setting value (as 5Km/h), the air pump that the ECU (Electrical Control Unit) control vehicle carries (is not worn air pump as former car, one in palpus new clothes) air bag and lower gasbag inflation forward, air bag stretches out the front end of vehicle automatically before making, atmospheric pressure value in preceding air bag and the lower gasbag can be passed to ECU (Electrical Control Unit) by baroceptor, when air pressure reached setting value, ECU (Electrical Control Unit) control air pump stopped inflation; Behind vehicle parking, the outside exhaust of blow off valve of air bag and lower gasbag before ECU (Electrical Control Unit) can be controlled has a spring that is assembled between preceding air bag front end and the vehicle body simultaneously, with the anterior withdrawal of preceding air bag.
Embodiment 2
Referring to Fig. 3, similar to Example 1, its difference is also to be provided with rear gasbag 13, and rear gasbag air inlet valve 14 is connected with ECU (Electrical Control Unit) 17 (referring to Fig. 2) mouth with rear gasbag blow off valve 12, and rear gasbag air inlet valve 14 is connected with air pump 173.
On rear gasbag 13, be provided with Rear springs 15, be used for vehicle 11 speed of a motor vehicle less than a certain numerical value or vehicle parking after the withdrawal rear gasbag 13.On rear gasbag 13, also be provided with back crash sensor 16, back crash sensor 16 is used to detect the degree whether vehicle 11 bumps and bump equally, the electric-control system of back crash sensor 16 external vehicles 11, bump as vehicle 11, the information that is about to collision happens is passed to the electric-control system of vehicle.Other mark is identical with Fig. 1 among Fig. 3.