WO2022055082A1 - Dispositif coussin de sécurité gonflable pour véhicule - Google Patents

Dispositif coussin de sécurité gonflable pour véhicule Download PDF

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Publication number
WO2022055082A1
WO2022055082A1 PCT/KR2021/007529 KR2021007529W WO2022055082A1 WO 2022055082 A1 WO2022055082 A1 WO 2022055082A1 KR 2021007529 W KR2021007529 W KR 2021007529W WO 2022055082 A1 WO2022055082 A1 WO 2022055082A1
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Prior art keywords
chamber
occupant
vehicle
airbag
deployed
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Application number
PCT/KR2021/007529
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English (en)
Korean (ko)
Inventor
권태익
정용현
이승진
정대창
Original Assignee
아우토리브 디벨롭먼트 아베
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Publication of WO2022055082A1 publication Critical patent/WO2022055082A1/fr

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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
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R21/23138—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for side protection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
    • B60N2/0272—Non-manual adjustments, e.g. with electrical operation with logic circuits using sensors or detectors for detecting the position of seat parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • 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
    • 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
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • 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
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R21/232—Curtain-type airbags deploying mainly in a vertical direction from their top edge
    • 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
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/237—Inflatable members characterised by the way they are folded
    • 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
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
    • B60R21/264—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
    • 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
    • B60R2021/0006—Lateral collision
    • 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
    • B60R2021/003—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks characterised by occupant or pedestian
    • B60R2021/0039—Body parts of the occupant or pedestrian affected by the accident
    • B60R2021/0048—Head
    • 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
    • B60R2021/003—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks characterised by occupant or pedestian
    • B60R2021/0039—Body parts of the occupant or pedestrian affected by the accident
    • B60R2021/0055—Pelvis
    • 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
    • B60R2021/003—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks characterised by occupant or pedestian
    • B60R2021/0039—Body parts of the occupant or pedestrian affected by the accident
    • B60R2021/0058—Shoulders
    • 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
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
    • B60R2021/26029—Ignitors
    • 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
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
    • B60R21/264—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
    • B60R2021/2642—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic comprising a plurality of combustion chambers or sub-chambers

Definitions

  • the present invention relates to an airbag device for a vehicle, and more particularly, to an airbag device for a vehicle that inflates and deploys between an occupant and an inner side of the vehicle to protect the occupant during a side collision of the vehicle.
  • an automobile airbag device is a safety device for protecting an occupant by rapidly inflating the airbag by injecting gas into the airbag according to a signal of an impact sensor during a vehicle collision.
  • Such an airbag device is installed on a steering wheel, a dashboard, a seat, a side wall, etc. provided in a vehicle, and is inflated toward the front or side of the occupant when the vehicle collides to protect the occupant.
  • the vehicle may be provided with a front airbag deployed in front of the driver's seat and front passenger's seat, a curtain airbag and side airbag deployed from the passenger's side to protect the passenger, and a knee airbag to protect the passenger's knee.
  • the autonomous vehicle uses a high-tech sensor capable of recognizing surrounding objects and a high-performance graphic processing device to detect each device provided in the vehicle and a situation around the vehicle, and controls the operation of each device provided in the vehicle according to the detection result to drive
  • the advanced sensor measures the distance between an object and an object like a human, detects a danger, and helps to see all areas without blind spots.
  • the graphic processing device identifies the surrounding environment of the vehicle through a plurality of cameras, and analyzes the images to help the vehicle safely drive.
  • the autonomous vehicle may be equipped with a lidar (LiDAR) device, a sound wave device, a 3D camera, a radar device, and the like.
  • LiDAR lidar
  • the entire seat including the driver's seat rotates freely, and the angle of the backrest is adjusted to a horizontal state by tilting operation.
  • the occupant can adjust the angle of the backrest in various ways, and the seat can be rotated to face the occupant in the rear seat for a meeting.
  • Patent Documents 1 and 2 disclose a configuration of a vehicle occupant protection system.
  • the direction and posture of the occupant may be variously changed.
  • the occupant's head may be disposed lower than the conventional curtain airbag.
  • Patent Document 1 Republic of Korea Patent Registration No. 10-1916007 (Notice on November 8, 2018)
  • Patent Document 2 Korean Patent Registration No. 10-1781387 (published on February 20, 2017)
  • Another object of the present invention is to provide an airbag device for a vehicle capable of safely protecting an occupant in a posture in which a backrest is rotated backward in an autonomous vehicle.
  • Another object of the present invention is to provide an airbag device for a vehicle capable of safely protecting occupants by combining a side airbag and a curtain airbag.
  • an airbag device for a vehicle includes a side airbag that is inflated and deployed between an inner side of the vehicle and an occupant when a collision of the vehicle occurs, and an inflator for supplying gas to the side airbag,
  • the side airbag may include an expansion chamber provided at positions corresponding to the head and pelvis of the occupant while the occupant is rotated backward by a preset angle or more to extend the entire length of the side airbag.
  • an expansion chamber is provided in the side airbag to protect the head or shoulder region and the pelvis region of the occupant in a state in which the seat back is rotated backward by more than a preset angle.
  • the expansion chamber by selectively expanding and developing the expansion chamber according to the rotation angle of the backrest, the effect of safely protecting the occupants is obtained.
  • a front chamber is provided at the front end of the main chamber, and the expansion chambers provided at the upper end, lower end, and front end of the main chamber are fixed with a fixing member, and a side collision occurs when the occupant lies down at a set angle or more.
  • the expansion chamber can be expanded and deployed by driving the driving module to release the fixed state of the fixing member.
  • the occupant can be safely protected by increasing the width at which the side airbag is inflated forward and removing the area where the occupant is not protected due to the occupant's posture and rotation angle.
  • the width of the upper chamber and the lower chamber is expanded to correspond to the front chamber, thereby obtaining the effect that the side of the passenger can be protected as a whole regardless of the posture and rotation angle of the passenger.
  • the auxiliary chamber is provided at a position corresponding to the head of the occupant in the lying position on the curtain airbag, and the auxiliary chamber is selectively expanded and deployed according to the posture and rotation angle of the occupant to protect the head of the occupant The effect that it can be achieved is obtained.
  • the effect of maximizing safety is obtained by combining the side airbag and the curtain airbag to inflate and deploy the side airbag and the interior side surface of the vehicle to safely protect the occupant.
  • FIG. 1 is a view showing a state in which a side airbag of a vehicle according to the prior art is inflated and deployed;
  • FIG. 2 is a block diagram of an airbag device for a vehicle according to a first embodiment of the present invention
  • FIG. 3 is an exploded view of the side airbag shown in FIG. 2;
  • FIG. 4 and 5 are views showing a state in which the side airbag shown in FIG. 2 is inflated and deployed, respectively;
  • FIG. 6 is a configuration diagram of a side airbag and a driving module applied to an airbag device for a vehicle according to a second embodiment of the present invention
  • FIG. 7 is a block diagram of a side airbag applied to an airbag device for a vehicle according to a third embodiment of the present invention.
  • FIG. 8 is a block diagram of an airbag device for a vehicle according to a fourth embodiment of the present invention.
  • the configuration of the airbag device installed in the driver's seat of a general vehicle will be described, the direction toward the front of the vehicle centered on the driver's seat is referred to as 'front (F)', and the direction toward the rear of the vehicle is referred to as 'rear (B)'. do.
  • terms indicating directions such as 'left (L)', 'right (R)', 'up (U)' and 'down (D)' indicate each direction based on the front and rear defined as doing
  • reference numeral I shown in the drawings denotes an inside direction of the vehicle in the width direction of the vehicle
  • reference numeral O denotes an exterior direction of the vehicle in the width direction of the vehicle.
  • the front and rear (F, B) directions of the vehicle may be expressed in a horizontal direction
  • the up and down (U, D) directions of the vehicle may be expressed in a vertical direction.
  • FIG. 1 is a view showing a state in which a side airbag of a vehicle according to the prior art is inflated and deployed.
  • the side airbag 7 As shown in FIG. 1 , the side airbag 7 according to the prior art is inflated and deployed between the inner side of the vehicle and the occupant when a side collision of the vehicle occurs.
  • the distance between the shoulder and the pelvis of the occupant is inflated by the side airbag 8 of the prior art. farther than the unfolded length.
  • the side airbag 8 has a problem in that an area that cannot protect the shoulder and pelvis of the occupant in a lying position is generated by rotating the backrest rearward.
  • the present invention provides an expansion chamber for protecting the head or shoulder region and the pelvic region of the occupant in a state in which the backrest of the seat is rotated backward at a preset angle, for example, about 35° or more in the side airbag, and the rotation angle of the backrest
  • the expansion chamber is selectively expanded and deployed according to the safety of the occupants.
  • the curtain airbag 7 is mounted in the roof side rail 1 of the vehicle in a folded or rolled state, and the inner side of the vehicle from the front pillar 2 of the vehicle to the center pillar 5 of the vehicle and a front seat protection area that entirely covers the .
  • the curtain airbag 7 according to the prior art configured as described above is inflated and deployed only to a position higher than the head of the occupant rotated by a predetermined angle or more when the curtain airbag 7 is inflated and deployed.
  • the present invention provides an auxiliary chamber for protecting the head of the occupant in a state in which the backrest of the seat is rotated backward by a preset angle, for example, about 35° or more in the curtain airbag, and the auxiliary chamber is selected according to the rotation angle of the backrest It inflates and deploys to protect occupants safely.
  • FIG. 2 is a configuration diagram of an airbag device for a vehicle according to a first embodiment of the present invention
  • FIG. 3 is an exploded view of the side airbag shown in FIG. 2 .
  • the airbag device 10 for a vehicle includes a side airbag 20 and a side airbag 20 that is inflated and deployed between the inner side of the vehicle and an occupant when a collision occurs. and an inflator 30 for supplying gas to the airbag 20 .
  • the airbag device 10 for a vehicle may further include a control unit 40 for controlling the driving of the inflator 30 so as to inflate and deploy the side airbag 20 when a collision of the vehicle occurs. .
  • the side airbag 20 includes a main chamber 21 that is inflated and deployed to the side of the occupant, and an expansion chamber 22 that expands the entire length of the main chamber according to the angle at which the occupant rotates the backrest of the seat rearward.
  • the side airbag 20 may be formed in a bag shape by sewing the outer panel and the inner panel or by a one-piece woven method. And the side airbag 20 has a bag shape that defines an inflatable space therein by upper and lower walls and front and rear walls.
  • the side airbag 20 is accommodated inside the backrest of each seat provided in the vehicle in a folded or rolled state, and can be withdrawn to the outside of the backrest while cutting a cutout line formed on the side of the backrest when a car crash occurs.
  • the side airbag 20 is connected to an inflator 30 that generates gas through a gas inlet.
  • the collision detection sensor 11 provided in the vehicle first detects the impact, and the ignition signal of the control unit 40 according to the impact detection signal generated from the collision detection sensor 11 is outputted to the inflator 30 ) is sent to The inflator 30 ignites the internal ignition to generate gas, and the gas generated from the inflator 30 is supplied into the side airbag 20 .
  • the main chamber 21 may be provided with a length corresponding to the front seat 5 and the rear seat 6 of the vehicle.
  • the main chamber 21 may be expanded and deployed to a length corresponding to the distance between the head and the pelvis of the occupant in a seated state where the rotation angle of the backrest is less than the set angle.
  • the main chamber 21 may include a plurality of chambers partitioned by one or more non-expandable chamber walls.
  • the upper, lower, front and rear walls and the chamber wall may be formed by sewing the inner and outer panels of the side airbag 20 or weaving by a one-piece woven method.
  • the present invention is not necessarily limited thereto, and the upper, lower, front, rear wall and chamber wall may be modified to be formed by selecting an appropriate method from among various bonding methods such as adhesive, RF welding, and ultrasonic welding.
  • the expansion chamber 22 has an upper chamber 23 and a main chamber 21 extending upward from the upper end of the main chamber 21 so as to correspond to the shoulder and pelvis of the occupant who is in a lying state by rotating at the rearward more than the set angle. ) may include a lower chamber 24 extending downward from the lower end.
  • the upper chamber 23 may be formed to extend upward from the upper end of the main chamber 21 by a preset length, for example, about 10 cm to 20 cm.
  • the upper chamber 23 may be fixed with the first fixing pocket 25 in a state in which it is folded downward to overlap the main chamber 21 .
  • the lower chamber 24 may extend downward from the lower end of the main chamber 21 by a preset length, for example, about 10 cm to 20 cm.
  • the lower chamber 24 may be fixed with the second fixing pocket 24 in a state in which it is folded upward to overlap the main chamber 21 .
  • the airbag device 20 for a vehicle includes a seat detection sensor 12 and a side airbag 20 for detecting an angle at which a backrest of a seat, for example, a front seat 5 is rotated in the front-rear direction. ) of the first and second fixing pockets 25 and 26 for fixing the expansion chamber 22 in a folded state, and the first and second fixing pockets 25 and 26 according to the driving signal of the control unit 40 to damage or It may further include a driving module 50 driven to expand and deploy the upper and lower chambers by damaging them.
  • the seat detection sensor 11 is installed on a rotating shaft at which the backrest of the seat, for example, the front seat 5 rotates in the front-rear direction, and detects the rotation angle of the backrest in the front-rear direction to generate an angle detection signal.
  • the control unit 40 may receive the angle sensing signal, and when the rotation angle of the backrest according to the received angle sensing signal exceeds a preset angle, the control unit 40 may generate the driving signal to drive the driving module 50 .
  • the driving module 50 is driven inside by a driving signal of the control unit 40 to break or damage the first and second fixing pockets 25 and 26, and thereby to the first and second fixing pockets 25 and 26. It is possible to expand the fixed upper and lower chambers 23 and 24 by the
  • the driving module 50 may be accommodated inside the backrest of the seat. This driving module 50 is provided with a small inflator such as an active tether extensioner (ATE), and generates gas according to the driving signal to be supplied to the first and second fixing pockets 25 and 26. .
  • ATE active tether extensioner
  • first and second fixing pockets 25 and 26 are connected to the driving module 50 and the first and second tubes 51 and 52, respectively, and the gas generated from the driving module 50 is It may be supplied to the first and second fixing pockets 25 and 26 through the second tubes 51 and 52, respectively.
  • sewing lines for temporarily fixing the upper and lower chambers 23 and 24 arranged to overlap the main chamber 21 are provided in the first and second fixing pockets 25 and 26, respectively, and the sewing line The silver may be broken or damaged by the gas supplied into the first and second fixing pockets 25 and 26 .
  • the upper chamber 24 and the lower chamber 24 are inflated and deployed upward and downward of the main chamber 21, respectively, and the entire length of the side airbag 20 is adjusted to the distance between the head and the pelvis of the occupant in a lying state. It can be extended to correspond.
  • the present invention provides expansion chambers at the top and bottom of the side airbag, and selectively expands and deploys the expansion chamber based on the angle at which the back of the seat is rotated rearward when a side collision of a vehicle occurs, from the head of the occupant to the pelvis can be safely protected.
  • FIG. 4 and 5 are views showing a state in which the side airbag shown in FIG. 2 is inflated and deployed, respectively.
  • FIG. 4 shows a state before the expansion chamber is expanded
  • FIG. 5 shows a state in which the expansion chamber is expanded.
  • the operator folds the upper chamber 23 and the lower chamber 24 provided as the expansion chamber of the side airbag 20 downward and upward, respectively, and arranges them to overlap the main chamber 21 .
  • first and second fixing pockets 25 and 26 to fix the upper chamber 23 and the lower chamber 24 overlapping the main chamber 21, respectively, and the first and second fixing pockets 25 , 26) and the driving module 50, respectively, connect the first and second tubes 51 and 52.
  • the operator folds the main chamber 21 on which the expansion chamber 22 is overlapped in a preset folding or winding method, accommodates it on one side of the seat, for example, inside the backrest, and installs the inflator 30 on one side of the main chamber 21 . connect
  • the airbag device 10 is mounted on the vehicle.
  • the impact sensor 11 installed in the vehicle generates a collision detection signal.
  • control unit 40 outputs an ignition signal to the inflator 30 according to the collision detection signal, and the inflator 30 ignites the ignition material therein according to the ignition signal to generate gas.
  • the gas generated by the inflator 30 is supplied into the curtain airbag 20 .
  • the main chamber 21 is expanded forward and upward and downward from the backrest and deployed between the occupant and the inner side of the vehicle.
  • control unit 40 checks whether the rotation angle of the backrest is equal to or greater than a preset angle based on the detection signal of the angle sensor 12 installed on the seat 5 .
  • the control unit 40 outputs a driving signal to the driving module 50 .
  • the driving module 50 generates gas and supplies the gas to the first and second fixing pockets 25 and 26 through the first and second tubes 51 and 52 .
  • the first and second fixing pockets 25 and 26 are damaged or damaged by the supplied gas. Accordingly, the upper chamber 23 and the lower chamber 24 fixed by the first and second fixing pockets 25 and 26 are expanded and deployed upward and downward, respectively, as shown in FIG. 5 .
  • the driving module 50 is provided with a small inflator such as ATE, but the present invention is not necessarily limited thereto.
  • the upper chamber 23 and the lower chamber 24 are respectively fixed in a folded state using a fixing member such as a tether, and the length of the fixing member is extended by driving the driving module 50 to extend the length of the upper chamber ( 23) and the lower chamber 24 may be changed to release the fixed state.
  • a fixing member such as a tether
  • FIG. 6 is a block diagram of a side airbag and a driving module applied to an airbag device for a vehicle according to a second embodiment of the present invention.
  • the airbag device 10 for a vehicle according to the second embodiment of the present invention has the same configuration as that of the vehicle airbag device 10 described in the first embodiment, except that an expansion chamber ( 22) may be fixed in a folded state using a pair of fixing members 51 as shown in FIG. 6 .
  • each fixing member 27 may be provided as a band-shaped tether having a preset width and length.
  • each fixing member 27 is connected to the lower end of the upper chamber 23 and the upper end of the lower chamber 24 in a folded state, and the other end of each fixing member 27 is one fixing pocket 28, or As shown in FIG. 3 , the first and second fixing pockets 25 and 26 may be fixed in a partially accommodated state. And the driving module 50 may be connected to the fixed pocket 28 .
  • the driving module 50 when a driving signal is received from the control unit 40 , the driving module 50 generates gas and supplies it to the fixed pocket 28 .
  • the upper chamber 23 and the lower chamber 24 are inflated and deployed upward and downward of the main chamber 21 , respectively, so that the overall length of the side airbag 20 is extended.
  • the expansion chambers provided at the top and bottom of the main chamber are fixed with a fixing member, and when a side collision occurs in a position in which the occupant lies at a set angle or more, the driving module is driven to release the fixing state of the fixing member.
  • the expansion chamber may be expanded and deployed.
  • FIG. 7 is a block diagram of a side airbag applied to an airbag device for a vehicle according to a third embodiment of the present invention.
  • the vehicle airbag device 10 according to the second embodiment of the present invention is the same as the configuration of the vehicle airbag device 10 described in the first and second embodiments, but as shown in FIG. 7 , As shown in FIG. 7 , the expansion chamber 22 provided in the side airbag 20 may further include a front chamber 29 that is inflated toward the front of the main chamber 21 .
  • the front chamber 29 may be formed to extend from the front end of the main chamber 21 forward by a preset length, for example, about 10 cm to 20 cm.
  • the front chamber 29 may be fixed by the fixing member 27 and the fixing pocket 28 in a state in which it is folded backward to overlap the main chamber 21 .
  • the front chamber 29 may be fixed by separately provided fixing pockets, such as the first and second fixing pockets 25 and 26 for fixing the upper and lower chambers 23 and 24 .
  • the upper chamber 23 and the lower chamber 24 may be further extended forward to correspond to the front-rear direction length, that is, the horizontal width of the front chamber 24 .
  • the front chamber is provided at the front end of the main chamber, the expansion chamber provided at the upper end, lower end, and front end of the main chamber is fixed with a fixing member.
  • the expansion chamber may be expanded and deployed by driving the driving module to release the fixed state of the fixing member.
  • the occupant can be safely protected by increasing the width at which the side airbag is inflated forward and removing the area where the occupant is not protected due to the occupant's posture and rotation angle.
  • the width of the upper chamber and the lower chamber can be expanded to correspond to the front chamber, thereby protecting the occupant's side as a whole regardless of the occupant's posture and rotation angle.
  • the extendable length of the upper and lower chambers 23 and 24 of the expansion chamber 22 provided at the upper and lower ends of the main chamber 21 may be limited by the limited amount of gas supplied from the inflator 30 .
  • the present invention extends the entire length of the side airbag to correspond to the distance between the shoulder and the pelvis of the occupant in a lying position, and protects the occupant's head by using the curtain airbag 60 . there is.
  • FIG. 8 is a block diagram of an airbag device for a vehicle according to a fourth embodiment of the present invention.
  • the airbag device 10 for a vehicle is installed on the side rail 1 of the vehicle and inflates and deploys downward when a vehicle crash occurs. may further include.
  • the curtain airbag 60 is provided with a length corresponding to each row seat, and the main chamber 61 is inflated and deployed between the occupant of each row seat and the inner side of the vehicle, and the head portion of the occupant in the lying position in the main chamber 61 . It may include an auxiliary chamber 62 that is expanded and deployed at a position corresponding to .
  • the auxiliary chamber 62 may be formed to extend downwardly from the rear end of the front seat protection area that protects the passenger riding on the front seat in the main chamber to correspond to the head portion of the passenger in the lying position.
  • the auxiliary chamber 62 may be fixed by a fixing pocket (not shown) in a state in which it is folded upward to overlap the main chamber 61 .
  • the fixing pocket may be damaged or damaged by the gas supplied from the driving module 50 connected to the side airbag 20 or a separately provided driving module to release the fixed state of the auxiliary chamber 62 .
  • the auxiliary chamber is provided at a position corresponding to the head of the occupant in the lying position on the curtain airbag, and the auxiliary chamber is selectively expanded and deployed according to the posture and rotation angle of the occupant to protect the head of the occupant.
  • the present invention can protect the occupant safely by combining the side airbag and the curtain airbag to inflate and deploy between the occupant's shoulder, the pelvis, and the side of the head and the inner side of the vehicle.
  • the present invention provides an expansion chamber for protecting the occupant's head or shoulder region and pelvis in a state in which the back of the seat is rotated backward by more than a preset angle in the side airbag, and the expansion chamber is selectively selected according to the rotation angle of the backrest It is applied to automobile airbag device technology that inflates and deploys to safely protect occupants.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Air Bags (AREA)

Abstract

L'invention concerne un dispositif coussin de sécurité gonflable pour un véhicule, ce dispositif coussin de sécurité comprenant : un coussin de sécurité gonflable latéral destiné à se gonfler et à se déployer entre le côté interne du véhicule et un passager en cas d'accident de voiture ; et un dispositif de gonflage destiné à fournir un gaz au coussin de sécurité gonflable latéral, celui-ci comprenant une chambre d'expansion disposée à des emplacements correspondant à la tête et au bassin du passager lorsque ce dernier est tourné vers l'arrière selon un angle défini à l'avance ou supérieur, de sorte à allonger la longueur totale du coussin de sécurité gonflable latéral. Ainsi, la chambre d'expansion se gonfle et se déploie de façon sélective en fonction de l'angle de rotation du dossier, de sorte que le dossier du siège puisse protéger la tête ou les épaules et le bassin du passager qui est tourné vers l'arrière selon l'angle prédéfini ou supérieur.
PCT/KR2021/007529 2020-09-08 2021-06-16 Dispositif coussin de sécurité gonflable pour véhicule WO2022055082A1 (fr)

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KR1020200114685A KR102454236B1 (ko) 2020-09-08 2020-09-08 자동차의 에어백 장치
KR10-2020-0114685 2020-09-08

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WO2022055082A1 true WO2022055082A1 (fr) 2022-03-17

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070024033A1 (en) * 2005-07-29 2007-02-01 Toyoda Gosei Co., Ltd. Side airbag apparatus
WO2017199850A1 (fr) * 2016-05-20 2017-11-23 オートリブ ディベロップメント エービー Dispositif de coussin de sécurité gonflable latéral
KR20170131129A (ko) * 2016-05-20 2017-11-29 현대모비스 주식회사 차량용 에어백장치
KR20190040836A (ko) * 2017-10-11 2019-04-19 현대자동차주식회사 차량의 커튼에어백 시스템
KR20200069429A (ko) * 2018-12-06 2020-06-17 현대자동차주식회사 차량의 승객보호 시스템

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101781387B1 (ko) 2016-04-15 2017-09-25 아우토리브 디벨롭먼트 아베 자동차의 파 사이드 에어백 장치
KR101916007B1 (ko) 2017-05-29 2018-11-08 아우토리브 디벨롭먼트 아베 파-사이드 에어백

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070024033A1 (en) * 2005-07-29 2007-02-01 Toyoda Gosei Co., Ltd. Side airbag apparatus
WO2017199850A1 (fr) * 2016-05-20 2017-11-23 オートリブ ディベロップメント エービー Dispositif de coussin de sécurité gonflable latéral
KR20170131129A (ko) * 2016-05-20 2017-11-29 현대모비스 주식회사 차량용 에어백장치
KR20190040836A (ko) * 2017-10-11 2019-04-19 현대자동차주식회사 차량의 커튼에어백 시스템
KR20200069429A (ko) * 2018-12-06 2020-06-17 현대자동차주식회사 차량의 승객보호 시스템

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