阅读说明：本技术 一种车辆的集成气囊、集成气囊的控制方法及系统 (Integrated air bag of vehicle, and control method and system of integrated air bag ) 是由 尹刚 辛鹏程 周大永 王鹏翔 汪长军 于 2021-07-14 设计创作，主要内容包括：本发明涉及汽车技术领域,具体是一种车辆的集成气囊、集成气囊的控制方法及系统,车辆的集成气囊包括气体发生器、头部气囊和上躯侧气囊；头部气囊包括头部抵接部和颈部抵接部；头部抵接部用于在其充胀后抵接乘员头部,颈部抵接部用于在其充胀后抵接乘员的颈部；上躯侧气囊在充胀后抵接乘员躯体侧面；头部气囊和上躯侧气囊均设置在车辆座椅上,且头部气囊和上躯侧气囊相互连通,以使得气体发生器能够同时给所述头部气囊和所述上躯侧气囊充气；本发明使得头部气囊和上躯侧气囊在碰撞时能够同时展开,以限制乘员头部和乘员躯干的相对运动,实现了加强远端侧面碰撞人体约束保护功能同时满足后碰头颈保护功能,能够有效的为乘员提供更可靠保护。(The invention relates to the technical field of automobiles, in particular to an integrated airbag of a vehicle, a control method and a control system of the integrated airbag, wherein the integrated airbag of the vehicle comprises a gas generator, a head airbag and an upper torso side airbag; the head airbag includes a head abutting portion and a neck abutting portion; the head abutting part is used for abutting against the head of the passenger after the head abutting part is inflated, and the neck abutting part is used for abutting against the neck of the passenger after the neck abutting part is inflated; the upper torso side airbag abuts against the side surface of the occupant torso after being inflated; a head airbag and an upper torso airbag that are both provided on a vehicle seat and that communicate with each other so that a gas generator can simultaneously inflate the head airbag and the upper torso airbag; the invention can simultaneously unfold the head air bag and the upper torso air bag when in collision so as to limit the relative movement of the head of the passenger and the torso of the passenger, realize the function of strengthening the restraint protection of the human body collided by the far-end side surface and simultaneously meet the function of protecting the neck of the rear collision head, and can effectively provide more reliable protection for the passenger.)

1. An integrated airbag for a vehicle, characterized by comprising a gas generator (3), a head airbag (1), and an upper torso side airbag (2);

the head airbag (1) comprises a head abutting part and a neck abutting part which are communicated with each other; the head abutting part and the neck abutting part are inflated along the length direction of the vehicle, the head abutting part covers a seat headrest (4) of the vehicle, the head abutting part is used for abutting against the head of the passenger after the head abutting part is inflated, and the neck abutting part is used for abutting against the neck of the passenger after the neck abutting part is inflated;

the upper torso side airbag (2) abuts against the side surface of the occupant torso after being inflated;

the head airbag (1) and the upper torso airbag (2) are both disposed on a vehicle seat, and the head airbag (1) and the upper torso airbag (2) communicate with each other so that the gas generator (3) can inflate the head airbag (1) and the upper torso airbag (2) at the same time.

2. The integrated airbag for a vehicle according to claim 1, further comprising a pressure limiting device provided at a position where the head airbag (1) is connected to the upper torso-side airbag (2), the pressure limiting device being configured to communicate the upper torso-side airbag (2) with the head airbag (1) when a gas pressure in the upper torso-side airbag (2) is not less than a preset value.

3. The integrated airbag for a vehicle according to claim 1, further comprising a tension strap, one end of which is connected to the head airbag (1) and the other end of which is connected to the upper torso-side airbag (2); the tensioning drawstring is used for connecting and tensioning the inflated head airbag (1) and the upper torso-side airbag (2) so that the head airbag (1) and the upper torso-side airbag (2) form an included angle of a preset angle.

4. An integrated airbag for a vehicle according to claim 1, wherein the head airbag (1) is provided with a first restriction structure, the first restriction structure comprising a stitch line provided with the head and neck of the occupant; the first limiting structure is used for adjusting the volume and the pressure of an inflating cavity formed inside the head airbag (1);

a second limiting structure is arranged on the upper torso side air bag (2), and the second limiting structure comprises a seam at the joint of the upper torso side air bag (2) and the head air bag (1); the second restriction structure is used for adjusting the volume and pressure of an inflation cavity formed inside the upper torso side airbag (2).

5. An integrated airbag for a vehicle according to claim 1, wherein the length of the head airbag (1) is not less than the length of the seat headrest (4), and the length of the head airbag (1) is not more than the width of the vehicle seat.

6. An integrated airbag for a vehicle according to claim 5, wherein the head airbag (1) is L-shaped, the junction between the head airbag (1) and the upper torso-side airbag (2) is L-shaped, and the head airbag (1) and the upper torso-side airbag (2) form an angle of 90 °.

7. An integrated airbag for a vehicle according to claim 1, wherein the head airbag (1) and the upper torso airbag (2) are integrally formed.

8. A control method of an integrated airbag for a vehicle, applied to the integrated airbag for a vehicle according to any one of claims 1 to 7, comprising:

acquiring a collision signal of a vehicle;

generating an ignition signal according to the collision signal and sending the ignition signal to a gas generator (3);

controlling the gas generator (3) to inflate the integrated airbag; wherein the gas generator (3) inflates the head airbag (1) and the upper torso airbag (2) simultaneously;

acquiring the pressure in the integrated air bag according to a sensor;

judging whether the pressure intensity meets a preset range or not;

when the pressure intensity meets a preset range, controlling the gas generator (3) to stop inflating; and when the pressure does not meet the preset range, controlling the gas generator (3) to continue inflating the integrated airbag until the pressure meets the preset range, so that the head airbag (1) protects the head of the passenger and the upper torso side airbag (2) protects the side face of the passenger.

9. The control method of an integrated airbag for a vehicle according to claim 8, wherein the controlling the gas generator (3) to continue inflating the integrated airbag until the pressure satisfies a preset range includes:

controlling the gas generator (3) to continue to inflate the integrated airbag;

acquiring the pressure in the integrated air bag in real time according to a sensor;

judging whether the pressure intensity meets a preset range or not;

and when the pressure does not meet the preset range, the pressure of the integrated air bag is obtained again, and the gas generator (3) is controlled to stop inflating the integrated air bag until the pressure meets the preset range.

10. A control system of an integrated airbag for a vehicle, applied to the integrated airbag for a vehicle according to claims 1 to 7, comprising:

the data transceiver module (6) is used for acquiring a collision signal of a vehicle, generating an ignition signal according to the collision signal and sending the ignition signal to the gas generator (3);

an execution module (7) for controlling the inflator (3) to inflate the integrated airbag; wherein the gas generator (3) inflates the head airbag (1) and the upper torso airbag (2) simultaneously;

the receiving module (8) is used for acquiring the pressure in the integrated air bag according to the sensor;

the judging module (9) is used for judging whether the pressure intensity meets a preset range or not;

the processing module (10) is used for judging whether the pressure intensity meets a preset range or not; and when the pressure meets a preset range, controlling the gas generator (3) to stop inflating so that the head airbag (1) protects the head and neck of the passenger and the upper torso side airbag (2) protects the side face of the passenger.

Technical Field

The invention relates to the technical field of automobiles, in particular to an integrated airbag of a vehicle, and a control method and a control system of the integrated airbag.

Background

The safety airbag is a safety protection device which protects passengers and reduces the harm of members in the event of automobile collision. Taking the distal-side airbag as an example, the distal-side airbag receives a great deal of attention from people because it provides good protection for the occupant in a side collision. The distal-end side airbag can be divided into a thoraco-abdominal (pelvic) side airbag and a cephalo-abdominal integrated side airbag according to the part aspect of protecting the passenger, and the cephalo-abdominal integrated side airbag is larger in size than the thoraco-abdominal integrated side airbag and can simultaneously protect the head, the chest and the abdomen of the passenger.

The existing headrest airbag and far-end side airbag are composed of a gas generator, an airbag assembly, a flow deflector, a wrapping sheet, a wiring harness assembly, a label and the like, the headrest airbag is installed on a headrest safety airbag device inside a seat headrest, and the far-end side airbag is installed on a far-end side airbag device of a seat framework side wing. When collision happens, the speed signal ACU is transmitted by the sensor, the ACU sends an ignition signal to the headrest air bag or the far-end side air bag, and the gas generator generates high-pressure gas after being excited to fill the air bag assembly with the gas so as to achieve the purpose of protecting passengers. However, the current distal balloons have the following problems: the protection area of the far-end side air bag can meet the requirement of the protection area of the far-end side of the passenger; however, in this airbag protection form, the lateral restraint of the upper half of the passenger is not good enough to achieve a good protection effect, and the airbag cannot achieve a sufficient supporting force after being deployed, so that the protection performance cannot be expected.

Based on the disadvantages of the prior art, there is an urgent need to develop an integrated airbag for a vehicle, and a method and system for controlling the integrated airbag to solve the above problems.

Disclosure of Invention

In order to solve the technical problems, the invention provides an integrated airbag of a vehicle, a control method and a system of the integrated airbag, the integrated airbag is characterized in that the upper torso-side airbag is arranged at the side edge of a seat, a head airbag is arranged at the position of the headrest, and the head airbag and the upper torso-side airbag are communicated with each other, so that the head airbag and the upper torso-side airbag can be unfolded simultaneously during collision to limit the relative movement of the head and the torso of a passenger, and further reduce the injury to the head and the torso of the passenger; the function of strengthening the restraint protection function of the human body collided at the side face of the far end and simultaneously meeting the function of protecting the neck of the rear collision is realized, and more reliable protection can be effectively provided for passengers.

The invention discloses an integrated airbag of a vehicle, which comprises a gas generator, a head airbag and an upper torso airbag, wherein the head airbag is connected with the upper torso airbag through a gas pipe;

the head airbag comprises a head abutting part and a neck abutting part which are communicated with each other; the head abutting part and the neck abutting part are inflated along the length direction of the vehicle, the head abutting part covers a seat headrest of the vehicle, the head abutting part is used for abutting against the head of an occupant after the head abutting part is inflated, and the neck abutting part is used for abutting against the neck of the occupant after the neck abutting part is inflated;

the upper torso side airbag abuts against a side surface of a torso of the occupant after being inflated;

the head airbag and the upper torso airbag are both disposed on a vehicle seat, and the head airbag and the upper torso airbag communicate with each other so that the gas generator can inflate the head airbag and the upper torso airbag simultaneously.

The pressure limiting device is arranged at the connecting position of the head airbag and the upper torso side airbag and used for communicating the upper torso side airbag with the head airbag when the gas pressure in the upper torso side airbag is not less than a preset value.

Furthermore, the air bag type air bag further comprises a tensioning drawstring, one end of the tensioning drawstring is connected with the head air bag, and the other end of the tensioning drawstring is connected with the upper torso side air bag; the tensioning drawstring is used for connecting and tensioning the inflated head airbag and the upper torso side airbag so that the head airbag and the upper torso side airbag form an included angle of a preset angle.

Further, a first limiting structure is arranged on the head airbag, and the first limiting structure comprises a seam arranged with the head and neck of the passenger; the first limiting structure is used for adjusting the volume and the pressure of an inflating cavity formed inside the head airbag;

a second limiting structure is arranged on the upper torso side air bag and comprises a seam at the joint of the upper torso side air bag and the head air bag; the second restriction structure is for adjusting a volume and a pressure of an inflation cavity formed inside the upper torso side airbag.

Further, the length of the head airbag is not less than the length of the seat headrest, and the length of the head airbag is not more than the width of the vehicle seat.

Further, the head airbag is L-shaped, the connection between the head airbag and the upper torso-side airbag is also L-shaped, and the head airbag and the upper torso-side airbag form an included angle of 90 °.

Further, the head airbag and the upper torso airbag are integrally molded.

Another aspect of the present invention provides a control method of an integrated airbag for a vehicle, applied to the integrated airbag for a vehicle as described above, the method including:

acquiring a collision signal of a vehicle;

generating an ignition signal according to the collision signal and sending the ignition signal to a gas generator;

controlling the gas generator to inflate the integrated airbag; wherein the gas generator inflates the head airbag and the upper torso airbag simultaneously;

acquiring the pressure in the integrated air bag according to a sensor;

judging whether the pressure intensity meets a preset range or not;

when the pressure intensity meets a preset range, controlling the gas generator to stop inflating; and when the pressure does not meet the preset range, controlling the gas generator to continuously inflate the integrated airbag until the pressure meets the preset range, so that the head airbag protects the head of the passenger and the upper torso side airbag protects the side face of the passenger.

Further, the controlling the gas generator to continue inflating the integrated airbag until the pressure meets a preset range includes:

controlling the gas generator to continue to inflate the integrated airbag;

acquiring the pressure in the integrated air bag in real time according to a sensor;

judging whether the pressure intensity meets a preset range or not;

and when the pressure does not meet the preset range, the pressure of the integrated air bag is obtained again, and the gas generator is controlled to stop inflating the integrated air bag until the pressure meets the preset range.

Another aspect of the present invention is directed to a control system for an integrated airbag of a vehicle, applied to the integrated airbag of the vehicle as described above, the system including:

the data transceiver module is used for acquiring a collision signal of a vehicle, generating an ignition signal according to the collision signal and sending the ignition signal to the gas generator;

an execution module for controlling the gas generator to inflate the integrated airbag; wherein the gas generator inflates the head airbag and the upper torso airbag simultaneously;

the receiving module is used for acquiring the pressure in the integrated air bag according to the sensor;

the judging module is used for judging whether the pressure intensity meets a preset range or not;

the processing module is used for judging whether the pressure intensity meets a preset range or not; and when the pressure meets a preset range, controlling the gas generator to stop inflating so that the head airbag protects the head and neck of the passenger and the upper torso side airbag protects the side face of the passenger.

The embodiment of the invention has the following beneficial effects:

the upper torso side airbag is arranged at the side edge of the seat, the head airbag is arranged at the position of the seat headrest, and the head airbag and the upper torso side airbag are communicated with each other, so that the head airbag and the upper torso side airbag can be unfolded simultaneously during collision to limit the relative movement of the head and the trunk of the passenger, and further reduce the injury to the head and the body of the passenger; the function of strengthening the restraint protection function of the human body collided at the side face of the far end and simultaneously meeting the function of protecting the neck of the rear collision is realized, and more reliable protection can be effectively provided for passengers.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art it is also possible to derive other drawings from these drawings without inventive effort.

FIG. 1 is a schematic diagram of an integrated airbag of the present embodiment after being inflated in a vehicle;

FIG. 2 is a schematic diagram of the integrated airbag of the present embodiment after being inflated in a vehicle;

FIG. 3 is a structural view of the connection of an integrated airbag and a vehicle seat of the vehicle according to the embodiment;

FIG. 4 is a structural view of an integrated airbag of the vehicle according to the embodiment;

FIG. 5 is a structural view of the gas generator according to the present embodiment;

FIG. 6 is a flow chart of a control method of an integrated airbag of a vehicle;

fig. 7 is a structural diagram of an airbag-integrated control system of the vehicle according to the embodiment.

Wherein the reference numerals in the figures correspond to:

1-head airbag; 2-upper torso side airbag; 3-a gas generator; 4-a seat headrest; 6-a data transceiver module; 7-an execution module; 8-a receiving module; 9-a judgment module; 10-a processing module.

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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The prior art has the following defects: the existing headrest airbag and far-end side airbag are composed of a gas generator, an airbag assembly, a flow deflector, a wrapping sheet, a wiring harness assembly, a label and the like, the headrest airbag is installed on a headrest safety airbag device inside a seat headrest, and the far-end side airbag is installed on a far-end side airbag device of a seat framework side wing. When collision happens, the speed signal ACU is transmitted by the sensor, the ACU sends an ignition signal to the headrest air bag or the far-end side air bag, and the gas generator generates high-pressure gas after being excited to fill the air bag assembly with the gas so as to achieve the purpose of protecting passengers. However, the current distal balloons have the following problems: the protection area of the far-end side air bag can meet the requirement of the protection area of the far-end side of the passenger; however, in this airbag protection form, the lateral restraint of the upper half of the passenger is not good enough to achieve a good protection effect, and the airbag cannot achieve a sufficient supporting force after being deployed, so that the protection performance cannot be expected.

Aiming at the defects of the prior art, the upper torso-side airbag is arranged at the side edge of the seat, the head airbag is arranged at the position of the seat headrest, and the head airbag and the upper torso-side airbag are communicated with each other, so that the head airbag and the upper torso-side airbag can be unfolded simultaneously during collision to limit the relative movement of the head and the torso of the passenger, and further reduce the injury to the head and the torso of the passenger; the function of strengthening the restraint protection function of the human body collided at the side face of the far end and simultaneously meeting the function of protecting the neck of the rear collision is realized, and more reliable protection can be effectively provided for passengers.

Example 1

Referring to fig. 1 to 7, the present embodiment provides an integrated airbag for a vehicle, including a gas generator 3, a head airbag 1, and an upper torso-side airbag 2;

the head airbag 1 includes a head abutting portion and a neck abutting portion that communicate with each other; the head abutting part and the neck abutting part are inflated along the length direction of the vehicle, the head abutting part covers a seat headrest 4 of the vehicle, the head abutting part is used for abutting against the head of the passenger after the head abutting part is inflated, and the neck abutting part is used for abutting against the neck of the passenger after the neck abutting part is inflated;

the upper torso side airbag 2 abuts against the side surface of the occupant torso after being inflated;

the head airbag 1 and the upper torso-side airbag 2 are both disposed on a vehicle seat, and the head airbag 1 and the upper torso-side airbag 2 communicate with each other so that the gas generator 3 can inflate the head airbag 1 and the upper torso-side airbag 2 at the same time.

It should be noted that: the problem that the upper half of a passenger is not well laterally restrained and a good protection effect cannot be achieved exists in an air bag protection mode in the prior art; in the present embodiment, by providing the upper torso side airbag 2 at the seat side, providing the head airbag 1 at the seat headrest position, and providing the head airbag 1 and the upper torso side airbag 2 in communication with each other, the head airbag 1 and the upper torso side airbag 2 can be deployed at the same time at the time of collision to restrict the relative movement of the head and torso of the occupant, thereby reducing the injury to the head and torso of the occupant; the function of strengthening the restraint protection function of the human body collided at the side face of the far end and simultaneously meeting the function of protecting the neck of the rear collision is realized, and more reliable protection can be effectively provided for passengers.

It should also be noted that: the head airbag 1 and the upper torso airbag 2 are housed in the vehicle seat.

It is more to be noted that: the integrated airbag of the vehicle realizes the protection function of the two conventional airbags by arranging the integrated airbag; the protection effect is enhanced without additionally adding a device, the active headrest function is cancelled, the function is greatly improved, the function of enhancing the far-end protection by the rear collision protection can be met, and the added value of the product is increased.

Specifically, when the head airbag 1 is in a deployed state, the head airbag 1 is wound in a cylindrical shape; when the upper torso side airbag 2 is in the deployed state, the upper torso side airbag 2 is wound in a cylindrical shape.

Specifically, the upper torso side airbag 2 includes a first restriction portion for restricting the movement of the torso of the occupant and a second restriction portion for restricting the movement of the head of the occupant, thereby achieving more reliable protection of the head of the occupant.

Still further, a third limiting structure is arranged at the joint of the first limiting part and the second limiting part, and the third limiting structure is a suture, namely, a recess is formed at the joint of the first limiting part and the second limiting part.

Specifically, the second limiting part is provided with a third limiting structure to form a recess matched with the side surface of the head of the passenger to accommodate the head of the passenger, so that the injury to the head of the passenger is reduced, and the passenger is effectively protected more reliably.

In some possible embodiments, the gas generator 3 is disposed in the upper torso side airbag 2, and the gas generator 3 partially inflates the upper torso side airbag 2 and then inflates the head airbag 1, so that the head airbag 1 and the upper torso side airbag 2 are inflated simultaneously to limit the relative movement of the head and the torso of the occupant and protect the occupant, thereby achieving effective protection of the occupant.

In other possible embodiments, the gas generator 3 is disposed outside the upper torso-side airbag 2, and the gas generator 2 inflates the upper torso-side airbag 2 and the head airbag 1 at the same time, so that the head airbag 1 and the upper torso-side airbag 2 are inflated at the same time to restrict the relative movement of the head and the torso of the occupant, thereby achieving effective occupant protection.

Preferably, the air bag structure further comprises a pressure limiting device, the pressure limiting device is arranged at the connecting position of the head air bag 1 and the upper torso side air bag 2, and the pressure limiting device is used for enabling the upper torso side air bag 2 to be communicated with the head air bag 1 when the gas pressure in the upper torso side air bag 2 is not smaller than a preset value.

In some possible embodiments, the pressure limiting means is a fixing piece provided with a weakened structure, which is detachably provided at the connecting position of the head airbag 1 and the upper torso-side airbag 2.

In particular, the weakening structure is a weakening hole or a weakening line, which is set according to the actual situation and is not set here.

Preferably, the air bag further comprises a tensioning drawstring, one end of the tensioning drawstring is connected with the head air bag 1, and the other end of the tensioning drawstring is connected with the upper torso side air bag 2; the tension strap is used for connecting and tensioning the inflated head airbag 1 and the upper torso-side airbag 2 so that the head airbag 1 and the upper torso-side airbag 2 form an included angle of a predetermined angle.

Specifically, the tensioning drawstring is not flexible, and the quantity of tensioning drawstring is at least one.

In the present embodiment, the number of the tension straps is two, one side of one tension strap is connected to the upper side of the head airbag 1, and the other side of the tension strap is connected to the upper torso-side airbag 2; one side of the other tensioning drawstring is connected with the lower side of the head airbag 1, and the other side of the tensioning drawstring is connected with the upper torso side airbag 2.

Preferably, the head airbag 1 is provided with a first limiting structure, and the first limiting structure comprises a seam arranged with the head and neck of the passenger; the first limiting structure is used for adjusting the volume and pressure of an inflation cavity formed inside the head airbag 1;

a second restriction structure is provided on the upper torso side airbag 2, and the second restriction structure includes a seam at the junction of the upper torso side airbag 2 and the head airbag 1; the second restriction structure is for adjusting the volume and pressure of the inflation cavity formed inside the upper torso side airbag 2.

In some possible embodiments, the first limiting structure is arranged on the head of the passenger to form a recess for accommodating the head of the passenger, so that the head injury of the passenger is reduced, and the passenger is effectively protected more reliably; the second limiting structure is arranged at the arms of the passengers to form a recess matched with the arms of the passengers to accommodate the arms of the passengers, so that the injury of the arms and the trunk of the passengers is reduced, and the passengers are effectively protected more reliably.

Preferably, the length of the head airbag 1 is not less than the length of the seat headrest 4, and the length of the head airbag 1 is not more than the width of the vehicle seat.

Specifically, the width direction of the vehicle seat coincides with the width direction of the vehicle.

In some possible embodiments, the head abutment portion and the neck abutment portion are connected to form an L-shape, the length of the head abutment portion is not less than the length of the seat headrest 4, and the length of the head abutment portion is not more than the width of the vehicle seat; meanwhile, the length of the neck abutment portion is not less than the length of the seat headrest 4, and the length of the neck abutment portion is not more than the width of the vehicle seat.

In the present embodiment, the head abutment portion and the neck abutment portion have the same length, and the head abutment portion and the neck abutment portion have the same width as the vehicle seat.

Specifically, the length of the neck abutting part is approximately equal to the width of the vehicle seat, so that the back neck of the passenger can be abutted no matter where the passenger is in the seat after the neck abutting part is inflated during the collision of the vehicle, the neck of the passenger is effectively protected, and the injury to the neck of the passenger is reduced.

Specifically, the length of the head abutting part is approximately equal to the width of the vehicle seat, so that the head abutting part can abut against the back brain part of the passenger no matter where the passenger is in the seat after the head abutting part is inflated during the collision of the vehicle, the head of the passenger is effectively protected, and the injury to the head of the passenger is reduced.

Specifically, the head airbag 1 and the upper torso airbag 2 are each provided on a vehicle seat, and the head airbag 1 and the upper torso airbag 2 are provided along a side of the vehicle seat, so that the head airbag 1 and the upper torso airbag 2 can be inflated from the vehicle seat at the same time, and an occupant is effectively protected.

Specifically, the first restriction structure is provided on the head abutment portion.

Preferably, the head airbag 1 is L-shaped, the junction between the head airbag 1 and the upper torso-side airbag 2 is also L-shaped, and the angle formed by the head airbag 1 and the upper torso-side airbag 2 is 90 °.

Preferably, the head airbag 1 and the upper torso airbag 2 are integrally molded.

In some possible embodiments, the head airbag 1 and the upper torso airbag 2 are separately manufactured and sewn as a single structure.

The working process of the integrated airbag of the vehicle is as follows: receiving a collision signal and transmitting an ignition signal to the gas generator 3, the gas generator 3 inflating the head airbag 1 and the upper torso side airbag 2 at the same time; and controlling the gas generator 3 to stop inflating until the pressure of the integrated air bag of the vehicle reaches a preset range.

Another aspect of the present invention provides a control method of an integrated airbag for a vehicle, applied to the integrated airbag for a vehicle as described above, the method including:

acquiring a collision signal of a vehicle;

generating an ignition signal according to the collision signal and sending the ignition signal to the gas generator 3;

controlling the gas generator 3 to inflate the integrated airbag; wherein the gas generator 3 inflates the head airbag 1 and the upper torso side airbag 2 simultaneously;

acquiring the pressure in the integrated air bag according to a sensor;

judging whether the pressure intensity meets a preset range or not;

when the pressure intensity meets a preset range, controlling the gas generator 3 to stop inflating; and when the pressure does not meet the preset range, controlling the gas generator 3 to continue inflating the integrated airbag until the pressure meets the preset range, so that the head airbag 1 protects the head of the passenger and the upper torso side airbag 2 protects the side face of the passenger.

Specifically, the preset range is that the pressure intensity is not less than a first preset value, and the pressure intensity is not greater than a second preset value; the first preset value and the second preset value are set according to actual conditions, and are not limited herein.

In some possible embodiments, the method comprises:

acquiring a collision signal of a vehicle;

generating an ignition signal according to the collision signal and sending the ignition signal to the gas generator 3;

controlling the gas generator 3 to inflate the head airbag 1 and the upper torso side airbag 2;

respectively acquiring a first gas pressure of the head airbag 1 and a second gas pressure of the upper torso side airbag 2;

judging whether the first gas pressure and the second gas pressure meet a preset range or not;

when the first gas pressure and the second gas pressure both meet the preset range, judging that the integrated airbag is inflated;

when the first gas pressure and/or the second gas pressure do not satisfy the preset range, controlling the gas generator 3 to continue inflating the head airbag 1 and the upper torso side airbag 2 until both the first gas pressure and the second gas pressure satisfy the preset range.

Preferably, the controlling the gas generator 3 to continue inflating the integrated airbag until the pressure meets a preset range includes:

controlling the gas generator 3 to continue to inflate the integrated airbag;

acquiring the pressure in the integrated air bag in real time according to a sensor;

judging whether the pressure intensity meets a preset range or not;

and when the pressure does not meet the preset range, the pressure of the integrated air bag is obtained again, and the gas generator 3 is controlled to stop inflating the integrated air bag until the pressure meets the preset range.

Another aspect of the present invention is directed to a control system for an integrated airbag of a vehicle, applied to the integrated airbag of the vehicle as described above, the system including:

the data transceiver module 6 is used for acquiring a collision signal of a vehicle, generating an ignition signal according to the collision signal and sending the ignition signal to the gas generator 3;

an execution module 7 for controlling the gas generator 3 to inflate the integrated airbag; wherein the gas generator 3 inflates the head airbag 1 and the upper torso side airbag 2 simultaneously;

the receiving module 8 is used for acquiring the pressure in the integrated air bag according to the sensor;

the judging module 9 is used for judging whether the pressure intensity meets a preset range or not;

the processing module 10 is used for judging whether the pressure intensity meets a preset range or not; when the pressure satisfies a preset range, the inflator 3 is controlled to stop the inflation so that the head airbag 1 protects the head and neck of the occupant and the upper torso side airbag 2 protects the side of the occupant.

Although the present invention has been described by way of preferred embodiments, the present invention is not limited to the embodiments described herein, and various changes and modifications may be made without departing from the scope of the present invention.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The embodiments and features of the embodiments described herein above can be combined with each other without conflict.

While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.