CN115593345A - Vehicle collision protection structure and vehicle body - Google Patents
Vehicle collision protection structure and vehicle body Download PDFInfo
- Publication number
- CN115593345A CN115593345A CN202211356729.3A CN202211356729A CN115593345A CN 115593345 A CN115593345 A CN 115593345A CN 202211356729 A CN202211356729 A CN 202211356729A CN 115593345 A CN115593345 A CN 115593345A
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- CN
- China
- Prior art keywords
- vehicle
- airbag
- generator
- collision
- protection structure
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R19/20—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact containing mainly gas or liquid, e.g. inflatable
- B60R19/205—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact containing mainly gas or liquid, e.g. inflatable inflatable in the direction of an obstacle upon impending impact, e.g. using air bags
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0134—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to imminent contact with an obstacle, e.g. using radar systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R2021/0002—Type of accident
- B60R2021/0004—Frontal collision
Abstract
The utility model relates to the technical field of automobiles, a vehicle collision protection structure and vehicle automobile body are provided for produce the problem of collision injury when solving among the prior art vehicle and other objects and taking place frontal collision, this vehicle collision protection structure includes vehicle front collision crossbeam, vehicle front bumper to and guide bracket and air bag, vehicle front collision crossbeam passes through the guide bracket with air bag and is connected, vehicle front collision crossbeam passes through vehicle support welding with guide bracket, air bag responds to position detonation between vehicle front bumper and the guide bracket during vehicle radar installations's radar signal.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a vehicle collision protection structure and a vehicle body.
Background
With the development of automobile technology, the application of vehicles is more and more widespread in people's daily life, and airbags have also received wide attention as one of the main components of passive safety systems, and are mainly used for protecting drivers from frontal collisions.
At present, in order to reduce the risk of the front collision of the vehicle, besides the airbag is arranged in the vehicle, the width and the length of the vehicle collision beam are also increased, the vehicle collision beam is arranged in the vehicle bumper, the vehicle bumper is a safety device for absorbing and slowing down the external impact force and protecting the front part and the rear part of the vehicle, the vehicle collision beam is a safety device for reducing the collision energy when the vehicle is collided, when the vehicle collides with other objects, the vehicle can absorb more collision energy by increasing the area of the vehicle collision beam, thereby reducing the damage to the vehicle when the vehicle is collided, however, the vehicle collision beam is made of metal materials, the weight of the vehicle collision beam is greatly increased while the area of the vehicle collision beam is increased, and the aim of lightening the vehicle cannot be achieved.
Therefore, how to reduce the risk of the vehicle at the time of a frontal collision while keeping the weight of the vehicle light becomes a problem that needs to be solved at present.
Disclosure of Invention
The application provides a vehicle collision protection structure and a vehicle body, which are used for keeping the vehicle light, and simultaneously triggering an air bag in a passive safety protection system in advance to reduce the risk of the vehicle when the vehicle collides.
In a first aspect, the present application provides a vehicle collision protection structure including: the vehicle front collision device comprises a vehicle front collision beam, a vehicle front bumper, a guide bracket and an air bag, wherein the vehicle front collision beam is connected with the air bag through the guide bracket, the vehicle front collision beam is welded with the guide bracket through the vehicle bracket, and the air bag is detonated from a position between the vehicle front bumper and the guide bracket when responding to a radar signal of the vehicle radar device.
In one possible embodiment, a detonation location device is arranged between the vehicle front bumper and the airbag, wherein the detonation location device is used to determine a predetermined detonation location of the airbag.
In one possible embodiment, the airbag is folded in a roll-to-roll fashion and is secured by a plurality of airbag mounting brackets, each of which is secured to the generator mounting plate.
In a possible design, the generator comprises a clamp, a generator fixing plate, a positioning pin and a fixing bolt, the clamp fixes the generator on the generator fixing plate, and the generator fixing plate is fixed on the guide bracket based on the fixing bolt and the positioning pin.
In one possible design, the airbag fixing bracket includes a positioning plate, a fixing plate, a flat pad, an elastic pad, and a screw, and the positioning plate is fixed between the fixing plate and the flat pad so that the flat pad and the elastic pad are between the screw and the positioning plate, preventing the screw from being detached.
In one possible design, two concave structures are arranged on the vehicle front collision cross beam, so that the vehicle front collision cross beam structure can buffer and absorb impact force through deformation when being collided.
In one possible design, the guide bracket is an obtuse angle bracket, and the generator fixing plate is mounted in an obtuse angle recess of the guide bracket, so that the vehicle can detonate the airbag at the preset detonating position through the generator before the vehicle is determined to be collided.
In a second aspect, the present application further provides a vehicle crash protection method, the method comprising:
acquiring vehicle running information, wherein the vehicle running information is a vehicle speed change value and a spacing distance between a vehicle and an obstacle right ahead;
detecting whether the vehicle speed change value exceeds a preset vehicle speed change threshold value within the separation distance;
if yes, triggering and sending an air bag detonation signal to a generator connected with the air bag, and controlling the generator to detonate the air bag.
In one possible design, detecting whether the vehicle speed variation value within the separation distance exceeds a preset vehicle speed variation threshold value further includes:
if not, controlling the safety airbag to be in a non-explosion state.
In a third aspect, embodiments of the present application provide a vehicle body comprising: the automobile anti-collision beam structure is connected to the automobile body.
Drawings
FIG. 1 is a schematic view of an airbag provided in an embodiment of the present application after ignition;
FIG. 2 is a schematic view of a vehicle crash protection structure provided in an embodiment of the present application;
FIG. 3 is an external force exploded view of a vehicle front impact cross member according to an embodiment of the present application;
FIG. 4 is a schematic view of the airbag 22 according to the embodiment of the present application undergoing a roll-to-roll folding;
FIG. 5 is a schematic view of the connection between the airbag 22 and the airbag mounting bracket provided in the embodiments of the subject application;
FIG. 6 is a schematic diagram of a front view of a component structure of a generator provided by an embodiment of the present application;
FIG. 7 is a schematic diagram of a bottom view of the components of a generator according to an embodiment of the present disclosure;
FIG. 8 is a schematic diagram of a cross-sectional view of the component structure of an airbag mounting bracket provided in an embodiment of the present application;
FIG. 9 is a schematic illustration of a front view of an airbag mounting bracket provided in an embodiment of the present application;
fig. 10 is a flowchart of a vehicle collision protection method provided in an embodiment of the present application.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, the present invention is further described with reference to the accompanying drawings and examples. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their repetitive description will be omitted. The words expressing the position and direction described in the present invention are illustrated in the accompanying drawings, but may be changed as required and still be within the scope of the present invention. The drawings of the present invention are for illustrative purposes only and do not represent true scale.
In the prior art, in order to reduce the risk brought by the vehicle in the frontal collision, an airbag is arranged in the vehicle, the schematic diagram of the airbag after the airbag is ignited is shown in fig. 1, when the vehicle collides with a collision object at a speed V, the airbag is popped up on a vehicle direction controller for ensuring the safety of a driver, and the improvement of the vehicle body structure is improved, the size of a collision cross beam in front of the vehicle is enlarged, the collision overlapping degree is increased, and the weight is greatly increased.
In order to solve the above-described problems, the present application provides a vehicle collision protection structure for triggering an airbag disposed in a front bumper of a vehicle before the vehicle collides, so that the risk of the vehicle collision can be reduced.
Referring to fig. 2, the vehicle collision protection structure includes a vehicle front bumper 21, an airbag 22, a vehicle front collision cross member 23, a guide bracket 24, wherein the vehicle front collision cross member 23 is connected with the airbag 22 through the guide bracket 24, the guide bracket 24 is welded with the vehicle front collision cross member 23 through the vehicle bracket, and the airbag 22 is detonated from a position between the vehicle front bumper 21 and the guide bracket 24 in response to a radar signal of a vehicle radar device.
When the front bumper 21 is impacted by external force, the front bumper 21 disperses the external force to the energy-absorbing boxes at both sides of the vehicle and then transmits the external force to the front collision cross beam 23 behind the front bumper 21, the front collision cross beam 23 is used for ensuring the torsional rigidity of the vehicle frame and bearing longitudinal load, and ensures that the front collision cross beam 23 has sufficient strength and rigidity to bear the load of the vehicle caused by the external force impact and the impact transmitted by the vehicle wheels, and when the external force is further increased, the front collision cross beam 23 has two concave structures which can decompose the external force, the external force decomposition diagram of the front collision cross beam is shown in fig. 3, after the front collision cross beam 23 receives the external force transmitted by the front bumper 21, the external force extends to both sides of the front collision cross beam 23 due to the concave structures of the front collision cross beam 23, so that the front collision cross beam 23 can cushion and absorb the external force decomposed to the vehicle body by deformation when being impacted, and the external force is transferred to the vehicle body, and the impact force generated when the front collision cross beam 23 is weakened, thereby avoiding the collision of the front collision of the vehicle.
It should be noted that the vehicle front collision cross member 23 and the vehicle body may be connected by riveting, fastening with bolts, gluing, welding, etc., and the connection mode of the vehicle front collision cross member 23 and the vehicle body may be selected according to actual conditions, which is not limited in particular.
Since the present embodiment is to trigger the explosion of the airbag 22 in the passive safety system before the frontal collision of the vehicle, an explosion position means of the airbag 22 is provided between the airbag 22 and the front bumper 21 of the vehicle, which is used to determine a preset explosion position of the airbag 22.
The airbag 22 is fixed by a plurality of airbag mounting brackets and folded in a roll-up manner, and a schematic view of the roll-up folding of the airbag 22 is shown in fig. 4, which is advantageous for saving space and for rapid initiation of the airbag 22 in accordance with the folding manner in fig. 4, and a schematic view of the connection between the airbag 22 and the airbag mounting brackets is shown in fig. 5, and in fig. 5, there are four airbag mounting brackets for fixing the roll-up folded airbag 22, and a generator for igniting the airbag 22 is also connected to the airbag 22.
The above-described generator is fixed to the guide bracket 24, and the generator has a composition structure including: the schematic diagram of the front view of the structure of the clamp, the generator fixing plate, the positioning pin and the fixing bolt is shown in fig. 6, the generator is fixed on the generator fixing plate through two metal clamps, and then the generator fixing plate is fixed on the guide bracket 24 through the fixing bolt and the positioning pin, the schematic diagram of the bottom view of the structure of the generator is shown in fig. 7, and the circle below the airbag in fig. 2 is the cross-sectional diagram of the clamp of the generator in fig. 7.
It has been described above that the generator is connected to the guide bracket 24 through the generator fixing plate, since the airbag is to be fixed in the vehicle body through the airbag fixing bracket in a non-detonating state, the schematic view of the sectional view of the composition structure of the airbag fixing bracket is shown in fig. 8, the airbag fixing bracket includes a positioning plate, a fixing plate, a flat pad, an elastic pad, a screw, which may be an M6 screw, between the fixing plate and the flat pad, between the flat pad and the screw, so that the airbag fixed by the screw is more stable according to the bracket, preventing the screw from being detached to cause the problem of the looseness of the airbag fixing bracket.
The front view of the airbag fixing bracket is schematically shown in fig. 9, and in fig. 9, the screw of the airbag fixing bracket is an M6 screw, and the screw may be replaced by another screw for fixing, which will not be described in detail.
It should be noted that the guide bracket 24 is an obtuse angle bracket, and a generator fixing plate is installed at an obtuse angle recess of the guide bracket 24, so that the vehicle can explode the airbag 22 through the generator before the vehicle determines that a collision will occur based on radar signals, and the damage to the driver and the vehicle can be reduced when the collision occurs.
Based on the above structure, the airbag 22 is disposed between the vehicle front bumper 21 and the vehicle front collision cross beam 23, and the airbag can be ignited by a radar signal before the vehicle is determined to be collided, so that the airbag can be detonated at a preset position, thereby reducing the risk of the vehicle in collision.
In addition, the embodiment of the application also provides a vehicle collision protection method.
Fig. 10 is a flowchart of a vehicle collision protection method according to an embodiment of the present disclosure.
As shown in fig. 10, the vehicle collision protection method according to the embodiment of the present application includes the steps of:
step S1001: acquiring vehicle running information, wherein the vehicle running information is a vehicle speed change value and a spacing distance between a vehicle and an obstacle right ahead;
in order to determine whether the vehicle collides with a front obstacle before the vehicle collides, the obstacle may be a pedestrian or another vehicle, and the obstacle may be in a stationary state or a moving state, but is not specifically limited thereto, first, vehicle running information is acquired, the vehicle running information includes a vehicle speed change value and a separation distance between the vehicle and the front obstacle, and a relative movement between the vehicle and the front obstacle can be determined based on the vehicle speed change value and the separation distance of the vehicle, which is advantageous for determining whether the vehicle collides with the obstacle.
Step S1002: detecting whether the vehicle speed change value exceeds a preset vehicle speed change threshold value within the separation distance;
after the vehicle running information is determined, it is required to detect whether a vehicle speed variation value of the vehicle within the separation distance exceeds a preset vehicle speed threshold, where the preset vehicle speed threshold is a minimum speed variation threshold at which the vehicle collides with the front within the separation distance.
Step S1003: and if so, triggering and sending an air bag detonation signal to a generator connected with the air bag, and controlling the generator to detonate the air bag.
When the vehicle speed change value exceeds a preset vehicle speed change threshold value, the radar device of the vehicle sends a vehicle radar signal to the generator connected with the safety air bag and controls the generator to explode the safety air bag, so that the safety air bag in the passive safety system is triggered before the vehicle is not collided, and the risk brought by the collision of the vehicle is reduced.
After step S1002, step S1004 is further included: if not, controlling the safety airbag to be in a non-explosion state.
When the vehicle speed variation value is lower than the preset vehicle variation threshold value, it represents that the vehicle does not collide with the front obstacle within the separation distance, and thus, the airbag is maintained in the non-explosion state.
According to a first inventive concept, there is provided a vehicle collision protection structure including: the vehicle front collision device comprises a vehicle front collision cross beam, a vehicle front bumper, a guide bracket and an air bag, wherein the vehicle front collision cross beam is connected with the air bag through the guide bracket, the vehicle front collision cross beam is welded with the guide bracket through the vehicle bracket, and the air bag is detonated from a position between the vehicle front bumper and the guide bracket when responding to a radar signal of the vehicle radar device.
According to the second inventive concept, the vehicle protection structure includes: and a detonation position device is arranged between the front bumper of the vehicle and the safety air bag, wherein the detonation position device is used for determining a preset detonation position of the safety air bag.
According to a third inventive concept, the vehicle protection structure includes: the airbag is folded in a winding manner and is fixed by a plurality of airbag mounting brackets, and each airbag mounting bracket is fixed on the generator fixing plate.
According to a fourth inventive concept, the vehicle protection structure includes: the generator includes clamp, generator fixed plate, locating pin and fixing bolt, the clamp will the generator is fixed on the generator fixed plate, and based on fixing bolt and locating pin will the generator fixed plate is fixed on the guide bracket.
According to a fifth inventive concept, the vehicle protection structure includes: the safety airbag fixing support comprises a positioning plate, a fixing plate, a flat pad, an elastic pad and a screw, wherein the positioning plate is fixed between the fixing plate and the flat pad, so that the flat pad and the elastic pad are arranged between the screw and the positioning plate, and the screw is prevented from being separated.
According to a sixth inventive concept, the vehicle protection structure includes: the vehicle front collision beam is provided with two concave platform structures, so that the vehicle front collision beam structure can buffer and absorb impact force through deformation when being collided.
According to a seventh inventive concept, the vehicle protection structure includes: the guide bracket is an obtuse-angle bracket, and the generator fixing plate is mounted at the obtuse-angle depression of the guide bracket, so that a vehicle can detonate the safety airbag at the preset initiation position through the generator before the vehicle is determined to be collided.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and so forth) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A vehicle collision protection structure, characterized by comprising a vehicle front collision cross member, a vehicle front bumper, and a guide bracket and an airbag, wherein the vehicle front collision cross member and the airbag are connected through the guide bracket, the vehicle front collision cross member and the guide bracket are welded through the vehicle bracket, and the airbag detonates from a position between the vehicle front bumper and the guide bracket in response to a radar signal of the vehicle radar device.
2. The vehicle crash protection structure according to claim 1, wherein an initiation position means is provided between the vehicle front bumper and the airbag, wherein the initiation position means is used to determine a preset initiation position of the airbag.
3. The vehicle collision protection structure according to claim 1, wherein the airbag is folded in a roll-type and fixed by a plurality of airbag mounting brackets, each of which is fixed to the generator fixing plate.
4. The vehicle collision protection structure according to claim 3, wherein the generator includes a clip, a generator fixing plate, a positioning pin, and a fixing bolt, the clip fixing the generator to the generator fixing plate, and fixing the generator fixing plate to the guide bracket based on the fixing bolt and the positioning pin.
5. The vehicle collision protection structure according to claim 3, wherein the airbag fixing bracket includes a positioning plate, a fixing plate, a flat pad, an elastic pad, and a screw, and the positioning plate is fixed between the fixing plate and the flat pad such that the flat pad and the elastic pad are between the screw and the positioning plate, preventing the screw from being detached.
6. The vehicle crash protection structure defined in claim 1, wherein said vehicle front crash cross member has two recessed land structures formed thereon so that the vehicle front crash cross member structure absorbs impact force by deforming when subjected to a crash.
7. The vehicle crash protection structure according to claim 1, wherein the guide bracket is an obtuse angle bracket, and the generator fixing plate is mounted at the obtuse angle recess of the guide bracket, so that the vehicle can detonate the airbag at the preset detonating position through the generator before the vehicle is determined to be collided, so that the risk of the vehicle collision can be reduced.
8. A vehicle collision protection method, characterized by comprising:
acquiring vehicle running information, wherein the vehicle running information is a vehicle speed change value and a spacing distance between a vehicle and an obstacle right ahead;
detecting whether the vehicle speed change value exceeds a preset vehicle speed change threshold value within the separation distance;
if yes, triggering and sending an air bag detonation signal to a generator connected with the air bag, and controlling the generator to detonate the air bag.
9. The method of claim 8, wherein detecting whether the vehicle speed change value exceeds a preset vehicle speed change threshold within the separation distance further comprises:
if not, controlling the safety airbag to be in a non-explosion state.
10. A vehicle body characterized in that the vehicle body is attached with an automobile collision protection structure as recited in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211356729.3A CN115593345A (en) | 2022-11-01 | 2022-11-01 | Vehicle collision protection structure and vehicle body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211356729.3A CN115593345A (en) | 2022-11-01 | 2022-11-01 | Vehicle collision protection structure and vehicle body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115593345A true CN115593345A (en) | 2023-01-13 |
Family
ID=84851853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211356729.3A Pending CN115593345A (en) | 2022-11-01 | 2022-11-01 | Vehicle collision protection structure and vehicle body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115593345A (en) |
-
2022
- 2022-11-01 CN CN202211356729.3A patent/CN115593345A/en active Pending
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