CN111907463A

CN111907463A - Overall process pedestrian airbag system

Info

Publication number: CN111907463A
Application number: CN202010660207.7A
Authority: CN
Inventors: 张存劳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2020-11-10

Abstract

The invention belongs to the technical field of vehicle-mounted safety equipment, and discloses a whole-process pedestrian safety airbag system which comprises a vehicle-mounted ECU and an early warning radar arranged on a vehicle head, wherein the vehicle-mounted ECU is electrically connected with two groups of isolation airbag columns capable of being popped up and expanded quickly. This overall process pedestrian air bag system, when car and pedestrian take place the accident, the gasbag pops out, cramp the pedestrian, replace the bumper with the kickup of keeping apart the gasbag post and shovel the people, avoid the primary injury, replace pedestrian and windshield and bonnet's striking for with the roof be close horizontally small-angle striking, alleviate the power of secondary injury, and the injury that falls back to ground the third time is cushioned and protected by the gasbag, the overall process is protected the pedestrian, greatly reduced the injury that the pedestrian received in the accident, secondly, at the striking in-process, the overall process wraps up in tight human body, protect the human body, the striking angle of human body has been controlled to this in-process, and then the special injury that special angle formed has been avoidd.

Description

Overall process pedestrian airbag system

Technical Field

The invention relates to the technical field of vehicle-mounted safety equipment, in particular to a pedestrian safety airbag system in the whole process.

Background

It is counted that the accident between the pedestrian and the motor vehicle accounts for 74% of the traffic accident, and the pedestrian and the motor vehicle are greatly damaged when the traffic accident occurs due to the fragility of the human body. Generally, when a pedestrian collides with a motor vehicle, the pedestrian is usually injured by a head part due to a fatal injury, so that in order to improve the survival rate of the pedestrian after an accident, most of the existing pedestrian airbags are arranged on an engine hood and a windshield, and the airbags are inflated within 75 microseconds after the collision, extend to the engine hood and the windshield, protect the head part of the pedestrian, and improve the survival rate of the pedestrian after the accident.

When the accident happens, the pedestrian can receive the injury of cubic, once be the direct injury of bumper to the low limbs, the secondary is the direct striking injury of human being shoveled back head and engine hood or windshield, the tertiary is the collision injury that the pedestrian fell back to the road surface, and current air bag is limited to the guard action of first and third injury, according to the research, the speed of a motor vehicle can arouse the shin bone fracture when every hour 23 km. At a vehicle speed of 40km per hour, complex and severe fractures can be caused, and open fractures are mostly caused. Without the corresponding protection against the first and third injury actions, the pedestrian may fall for life.

Although the cushioning effect of the air bag can greatly reduce the head injury of the pedestrian and improve the survival probability of the pedestrian, the pedestrian is shoveled and impacts the windshield or the engine cover at a certain angle, so that the neck of the pedestrian is fractured at a certain probability and fatal injury occurs.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides the technical scheme of the whole-process pedestrian safety airbag system, which has the advantages of protecting pedestrians and controlling the impact angle in the whole process during accidents, and solves the problems in the background technology.

The invention provides the following technical scheme: the utility model provides an overall process pedestrian air bag system, includes on-vehicle ECU and installs in the early warning radar of locomotive, on-vehicle ECU electric connection has two sets of isolation gasbag posts that pop out fast and expand, and is two sets of isolation gasbag post is located the locomotive both sides respectively, and is two sets of the end of isolation gasbag post is in the same place through stopping the gasbag and linking together, isolation gasbag post and stopping the gasbag intercommunication, the end of isolation gasbag post is equipped with collision sensor and the banding gasbag that can expand automatically, and is two sets of when the collision sensor of isolation gasbag post mountain is close to enough closely, triggers the inflation of banding gasbag, the length of isolation gasbag post is longer than the car height, banding gasbag intercommunication has the buffering gasbag, the buffering gasbag is more stops the gasbag salient.

Preferably, two sets of the end of keeping apart the gasbag post is equipped with the connecting plate, and two connecting plates pass through the magic and paste fixedly, collision sensor comprises the plate electrode that is equipped with on the connecting plate.

Preferably, the banding air bag is arranged on the side face of the stopping air bag, a groove corresponding to a human body is formed in the banding air bag, and a time-delay deflation structure is formed in the banding air bag.

Preferably, the arresting airbag is in a trapezoid shape consisting of a vertical airbag and a ribbon-shaped airbag, the vertical airbag is 1.2-1.8 meters, and the lowest ribbon-shaped airbag force is 15-30 centimeters above the ground.

Preferably, the isolation airbag pillar is ejected from the bottom of the automobile, and the isolation airbag pillar is gradually inclined upwards from the automobile to the pedestrian.

The invention has the following beneficial effects:

1. this overall process pedestrian air bag system, when car and pedestrian take place the accident, the gasbag pops out, cramp the pedestrian, replace the bumper with the kickup of keeping apart the gasbag post and shovel the people, avoid the primary injury, replace pedestrian and windshield and bonnet's striking for with the roof be close horizontally small-angle striking, alleviate the power of secondary injury, and the injury that falls back to ground the third time is cushioned and protected by the gasbag, the overall process is protected the pedestrian, greatly reduced the injury that the pedestrian received in the accident.

2. This overall process pedestrian air bag system, on the one hand, at the striking in-process, the overall process wraps up in the human body, and on the other hand, this in-process has controlled human striking angle, and then has avoidd the special injury that special angle formed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial schematic view of the present invention;

FIG. 3 is a schematic view of the configuration of a stopping bladder in accordance with the present invention;

fig. 4 is a schematic view of the impact process of the present invention.

In the figure: 1. a vehicle-mounted ECU; 2. early warning radar; 3. isolating the air bag column; 4. a stopping air bag; 5. a collision sensor; 6. tightening the air bag; 7. a buffer air bag.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a whole-process pedestrian airbag system comprises a vehicle-mounted ECU1 and an early warning radar 2 installed on a vehicle head, wherein the vehicle-mounted ECU1 detects the size and the moving speed of an object in a region right in front of the vehicle and transmits the object to the early warning radar 2, the early warning radar 2 analyzes according to the vehicle speed of the vehicle to judge the collision risk, an infrared device can be installed on the vehicle head to assist in judging whether the object is a living object, the vehicle-mounted ECU1 is electrically connected with two groups of isolating airbag columns 3 capable of popping out and expanding rapidly, the two groups of isolating airbag columns 3 are respectively arranged on two sides of the vehicle head, the vehicle-mounted ECU1 controls the expansion and popping of the isolating airbag columns 3, the vehicle-mounted ECU1 can automatically judge the object to pop out or manually control the isolating airbag columns 3 to pop out through a vehicle-mounted ECU1, the tail ends of the two groups of isolating airbag columns 3 are connected together through a blocking, under the blocking of pedestrians, the isolation airbag columns 3 are bent, the tail ends of the isolation airbag columns are close to each other, the tail ends of the isolation airbag columns 3 are provided with collision sensors 5 and banding airbags 6 capable of automatically expanding, when the collision sensors 5 of the two groups of isolation airbag columns 3 are close enough, the banding airbags 6 are triggered to expand, the banding airbags 6 are interacted with the blocking airbags 4 after expanding, people are banded, the vehicle further advances, the isolation airbag columns 3 are bent upwards by acting force, the length of the isolation airbag columns 3 is longer than the vehicle height, the isolation airbag columns 3 bypass an engine cover and vehicle windshield through circular motion with a larger diameter and are in collision contact with the roof, the banding airbags 6 are communicated with buffering airbags 7, the buffering airbags 7 protrude out of the blocking airbags 4, and play a role in buffering when people collide with the roof, and further reduce injury.

Referring to fig. 2, the ends of two groups of isolation airbag columns 3 are provided with connecting plates, the two connecting plates are fixed by hook and loop fasteners, after the isolation airbag columns 3 are bent under an acting force, the connecting plates are attached together to ensure the banding of pedestrians, the collision sensor 5 is composed of electrode plates arranged on the connecting plates, after the connecting plates are attached, electrodes are communicated to trigger the banding of airbags 6 to ignite and release a large amount of gas to expand.

Wherein, banding gasbag 6 is located the side of stopping gasbag 4, banding gasbag 6 is last to be equipped with the recess that corresponds the human body, banding gasbag 6 pushes away the pedestrian to the middle part along stopping gasbag 4 when the inflation, corresponds with the middle part recess, avoids producing how big pressure and makes the pedestrian suffocate, banding gasbag 6 is last to be equipped with time delay gassing structure, and the time delay 10 seconds after aerifing is carried out and is deflated, avoids wrapping up in too tightly and causes the injury.

Referring to fig. 3, the blocking airbag 4 is a trapezoid composed of a vertical airbag and a strip-shaped airbag, which on one hand reduces the material and volume to enable the blocking airbag to expand rapidly, and on the other hand, prevents complete shielding of the driver's sight and other risks, the vertical airbag is 1.2-1.8 m and at least higher than the center of gravity of most people to prevent the pedestrian from being scooped up, the lowest strip-shaped airbag is 15-30 cm in force and corresponds to the bare foot of the pedestrian, and the pedestrian is guaranteed to be wrapped up.

Referring to fig. 4, the isolation airbag pillar 3 is ejected from the bottom of the vehicle, and the isolation airbag pillar 3 is gradually inclined upward from the vehicle to the pedestrian to form an initial tangential force to assist the isolation airbag pillar 3 to bend upward.

The working principle and the working process of the invention are as follows:

in the normal driving process of an automobile, the early warning radar 2 detects the moving speed and the moving direction of a pedestrian in front, the vehicle-mounted ECU1 judges whether collision risks and collision injuries caused by the speed exist or not according to the driving speed of the vehicle-mounted ECU1, if the collision risks are larger than a preset value and large injuries can be caused, the vehicle-mounted ECU1 controls the isolation airbag columns 3 to pop up and expand, the isolation airbag columns 3 can also be directly triggered through the vehicle-mounted ECU1 manually, during collision, the blocking airbag 4 collides with the pedestrian firstly, the acting force of the blocking airbag 4 and the pedestrian enables the isolation airbag columns 3 to bend inwards, the isolation airbag columns 3 on two sides are driven to approach each other and cling through a connecting plate, the collision sensor 5 senses that the blocking airbag 4 collides and then triggers the banding airbag 6 to expand, and the acting force between the banding airbag 6 and the blocking airbag 4 bands the pedestrian. If the speed is slow, the isolating air bag column 3 and the stopping air bag 4 can play a sufficient buffering role, please refer to fig. 4, if the speed is fast, because the isolating air bag column 3 is bent inwards to the limit, the isolating air bag column can be bent upwards at the fast speed to drive the pedestrian to do circular motion and bypass the engine cover and the windshield, when the pedestrian reaches the highest point, the bending degree of the isolating air bag column 3 reaches the maximum, at the moment, the motion of the pedestrian can be subjected to the upward acting force of the isolating air bag column 3, so that the included angle between the pedestrian and the vehicle roof is small when the pedestrian collides with the vehicle roof, almost in a sliding state, the impact injury received at the moment is minimum, when the vehicle stops, the pedestrian is thrown out positively, and when the pedestrian falls to the ground, the pinch air bag 6 is used for buffering and protecting, so that the impact injury and.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an overall process pedestrian air bag system, includes on-vehicle ECU (1) and installs in early warning radar (2) of locomotive, its characterized in that: the vehicle-mounted ECU (1) is electrically connected with two groups of isolation airbag columns (3) which can be popped out and expanded rapidly, the isolation airbag columns (3) are arranged on two sides of a vehicle head respectively, the tail ends of the isolation airbag columns (3) are connected together through a blocking airbag (4), the isolation airbag columns (3) are communicated with the blocking airbag (4), the tail ends of the isolation airbag columns (3) are provided with a collision sensor (5) and a banding airbag (6) which can expand automatically, when the collision sensor (5) of the isolation airbag columns (3) is close enough, the banding airbag (6) is triggered to expand, the length of the isolation airbag columns (3) is longer than the vehicle height, the banding airbag (6) is communicated with a buffering airbag (7), and the buffering airbag (7) protrudes out compared with the blocking airbag (4).

2. A full process pedestrian airbag system according to claim 1, wherein: the tail ends of the isolation air bag columns (3) are provided with connecting plates, the two connecting plates are fixed through magic tapes, and the collision sensor (5) is composed of electrode plates arranged on the connecting plates.

3. A full process pedestrian airbag system according to claim 1, wherein: the banding air bag (6) is arranged on the side face of the stopping air bag (4), a groove corresponding to a human body is formed in the banding air bag (6), and a delayed deflation structure is arranged on the banding air bag (6).

4. A full process pedestrian airbag system according to claim 1, wherein: the arresting airbag (4) is in a trapezoid shape consisting of a vertical airbag and a strip-shaped airbag, the vertical airbag is 1.2-1.8 meters, and the lowest strip-shaped airbag force ground is 15-30 centimeters.

5. A full process pedestrian airbag system according to claim 1, wherein: the isolation airbag column (3) is popped out from the bottom of the automobile, and the isolation airbag column (3) gradually inclines upwards from the automobile to the pedestrian.