CN111483425A - Vehicle seat subassembly and vehicle - Google Patents
Vehicle seat subassembly and vehicle Download PDFInfo
- Publication number
- CN111483425A CN111483425A CN201910073399.9A CN201910073399A CN111483425A CN 111483425 A CN111483425 A CN 111483425A CN 201910073399 A CN201910073399 A CN 201910073399A CN 111483425 A CN111483425 A CN 111483425A
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- China
- Prior art keywords
- vehicle
- side airbag
- vehicle seat
- seat
- gas generator
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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
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/207—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention provides a vehicle seat assembly and a vehicle. The assembly is for mounting in a vehicle cabin and includes a vehicle seat including a seat back and a seat base, the seat back being connected to the seat base in a manner movable in a fore-and-aft direction of the vehicle relative to the seat base, and a side airbag device. The side airbag device is disposed on a vehicle seat and includes: a first side airbag and a second side airbag that are not in fluid communication with each other, and that are configured to deploy between a vehicle seat and a side wall of a vehicle in an inflated state; a controller for determining an orientation of a vehicle seat and detecting an impact signal to output a control signal; and a gas generator for generating gas to inflate the first-side airbag or the second-side airbag based on a control signal of the controller such that the first-side airbag is deployed when the vehicle seat faces the front of the vehicle and the second-side airbag is deployed when the vehicle seat faces the rear of the vehicle.
Description
Technical Field
The present invention relates to automotive safety systems, and more particularly to a vehicle seat assembly, and a vehicle including the vehicle seat assembly.
Background
Autonomous vehicles are receiving increased attention. As the sophistication and sophistication of autonomous vehicles increases, the amount of passenger interaction required for an autonomous vehicle decreases. Finally, an autonomous automobile will likely not require passengers to interact with it, except for certain specific actions (e.g., selecting a destination). In this case, the passenger may divert his attention to a task unrelated to driving. In one scenario, a front passenger may choose to have face-to-face communication with a rear passenger; it may also be chosen to coincide with the orientation of the passenger in the vehicle seat in a conventional vehicle, in order to take care of the scenery and road conditions in front of the vehicle. Accordingly, the vehicle seat in which the front passenger is located may be designed such that the seat back of the vehicle seat is movable relative to the seat base of the vehicle seat so as to be located on the front side and the rear side of the vehicle seat in the front-rear direction of the vehicle, so that the passenger can select to sit on the vehicle facing forward of the vehicle or to sit on the vehicle facing rearward of the vehicle. However, the airbag of the related art, which is installed in a vehicle seat to provide side protection for an occupant, is not suitable for application in the vehicle seat described above because the airbag is designed only for a vehicle seat toward the front of the vehicle and does not consider providing protection for an occupant seated in a vehicle seat toward the rear of the vehicle.
Therefore, there is a need for a vehicle seat that can provide protection for an occupant in both situations where the occupant is seated toward the front of the vehicle and where the occupant is seated toward the rear of the vehicle.
Disclosure of Invention
The invention provides a vehicle seat assembly which can protect a passenger in both situations of the passenger sitting towards the front of a vehicle and the passenger sitting towards the back of the vehicle.
According to an aspect of the present invention, there is provided a vehicle seat assembly for mounting in a cabin of a vehicle, comprising,
a vehicle seat including a seat back and a seat base, the seat back being connected to the seat base movably in a front-rear direction of the vehicle with respect to the seat base so that the vehicle seat can face forward or rearward of the vehicle; and
a side airbag device that is disposed on the vehicle seat and includes,
a first side airbag and a second side airbag that are not in fluid communication with each other, and that are configured to deploy between the vehicle seat and a side wall of a vehicle in an inflated state;
a controller for determining an orientation of the vehicle seat and detecting an impact signal to output a control signal; and
a gas generator for generating gas to inflate the first side airbag or the second side airbag based on a control signal of the controller such that the first side airbag is deployed when the vehicle seat faces forward of a vehicle and the second side airbag is deployed when the vehicle seat faces rearward of the vehicle.
According to an embodiment of the present invention, the gas generator includes a first gas generator configured to inflate the first side airbag and a second gas generator configured to inflate the second side airbag.
According to an embodiment of the invention, the gas generator includes a first vent path in fluid communication with the first side airbag for inflating the first side airbag and a second vent path in fluid communication with the second side airbag for inflating the second side airbag.
According to an embodiment of the invention, the vehicle comprises a first row of seats close to the front of the vehicle and a second row of seats close to the rear of the vehicle, and the first row of seats comprises a driver seat on one side of the vehicle and said vehicle seat assembly on the other side of the vehicle.
According to an embodiment of the present invention, the first side airbag is designed to have a smaller volume in a deployed state than the second side airbag in a deployed state.
According to an embodiment of the present invention, the controller includes a sensor provided on the seat back and/or the seat base for detecting whether a passenger is seated on the vehicle seat and determining an orientation of the vehicle seat.
According to an embodiment of the invention, the sensor comprises a weight sensor arranged on the seat back.
According to an embodiment of the invention, the seat back comprises a pivot arm which is pivotably connected with the seat base about a pivot axis parallel to the floor of the vehicle.
According to an embodiment of the invention, the vehicle seat assembly further comprises a locking device for locking the position of the seat back relative to the seat base.
According to another aspect of the present invention, there is also provided a vehicle comprising at least one vehicle seat assembly as set forth in any of the preceding.
In the aspect of the invention, one of the two side airbags is selectively inflated according to the orientation of the vehicle seat so as to be inflated and deployed between the passenger seated in the vehicle seat and the side wall of the vehicle. Therefore, the vehicle seat assembly according to the present invention can provide protection for the occupant in both cases where the occupant sits forward of the vehicle and sits rearward of the vehicle, and is high in safety.
Drawings
Fig. 1(a) and 1(b) show schematic views of a vehicle seat assembly according to an embodiment of the invention in a first state.
FIG. 2 shows a schematic view of a vehicle seat assembly in a second state according to an embodiment of the present invention.
Fig. 3 shows a schematic configuration diagram of a side airbag apparatus in a vehicle seat according to an embodiment of the present invention.
Detailed Description
Specific embodiments of a vehicle seat assembly and a vehicle according to the present invention will be described below with reference to the accompanying drawings. The following detailed description and drawings are included to illustrate the principles of the invention, which is not to be limited to the preferred embodiments described, but is to be defined by the appended claims.
In addition, spatially relative terms (such as "upper," "lower," "left," and "right," etc.) are used to describe one element's relative positional relationship with another element as illustrated in the figures. Spatially relative terms may therefore apply in other orientations than those illustrated in the figures, when used. It will be apparent that although for ease of illustration all of these spatially relative terms refer to the orientation shown in the drawings, those skilled in the art will appreciate that orientations other than those shown in the drawings may be used.
Fig. 1(a) and 1(b) show schematic views of a vehicle seat assembly according to an embodiment of the invention in a first state. A vehicle seat assembly according to an embodiment of the invention is described below with reference to fig. 1(a) and 1 (b).
As shown in fig. 1(a) and 1(b), a vehicle seat assembly according to an embodiment of the invention is installed in a cabin of a vehicle 100, with the right side being the front of the vehicle and the left side being the rear of the vehicle. The vehicle 100 comprises a first row of seats near the front of the vehicle and a second row of seats near the rear of the vehicle, and the first row of seats comprises a driver seat on one side of the vehicle (i.e. the left side of the vehicle) and a vehicle seat assembly according to an embodiment of the invention on the other side of the vehicle (i.e. the right side of the vehicle), it being understood by the skilled person that the arrangement of the vehicle seat assembly according to the invention in the vehicle is not limited thereto, for example, the vehicle 100 may comprise less than two rows of seats or more than two rows of seats and the vehicle seat assembly according to the invention may be arranged in any one row, and/or the vehicle 100 may comprise at least two vehicle seat assemblies according to the invention.
As shown in fig. 1(a) and 1(b), the vehicle seat assembly includes a vehicle seat 11 and a side airbag device 12 (shown in fig. 2) disposed on the vehicle seat 11 (for example, disposed on a side frame of a seat back frame of the vehicle seat 11), and the vehicle seat 11 includes a seat back 111 and a seat base 112, the seat back 111 being connected to the seat base 112 in such a manner as to be movable in a front-rear direction of the vehicle relative to the seat base 112, so that the vehicle seat 11 can face forward or rearward of the vehicle. In the embodiment according to the invention, the relative movement between the seat base 112 and the seat back 111 is realized by a pivot arm 113, and correspondingly the seat back 111 comprises a pivot arm 113, which pivot arm 113 is connected to the seat base 113 in a pivotable manner about a pivot axis parallel to the floor of the vehicle. Optionally, the vehicle seat assembly 11 may also include a locking device for locking the position of the seat back 111 relative to the seat base 112 to prevent the seat back 111 from undesirably moving away from a desired position relative to the seat base 112; the locking device may be, for example, a device such as a motor that performs an automatic locking operation, but the vehicle seat assembly according to the present invention is not limited thereto, and the locking device may also be manually locked, or may not include a locking device in some application scenarios.
In the situation shown in fig. 1(a) and 1(b), the vehicle seat assembly 11 is shown in a first state, and in the situation shown in fig. 2, the vehicle seat assembly 11 is shown in a second state. Herein, the vehicle seat assembly 11 being in the first state refers to a state in which the side airbag in the vehicle seat assembly 11 is not inflated and deployed, and the vehicle seat assembly 11 being in the second state refers to a state in which the side airbag in the vehicle seat assembly 11 is inflated and deployed, and therefore, fig. 1(a) and 1(b) mainly show the vehicle seat 11 in the vehicle seat assembly according to the embodiment of the invention, while the side airbag is housed in the vehicle seat 11 without being seen. A side airbag device in a vehicle seat assembly according to an embodiment of the invention is described with reference to fig. 2.
As shown in fig. 2, the side airbag apparatus 12 includes a first side airbag 121 and a second side airbag 122 that are not in fluid communication with each other, and is deployed between the vehicle seat 11 and a side wall (not shown) of the vehicle 100 when the first side airbag 121 or the second side airbag 122 is in an inflated state. It is to be noted that, although a schematic view in which the first side airbag 121 and the second side airbag 122 are inflated and deployed at the same time is shown in fig. 2, this is merely for the sake of easy understanding of the operation position at the time of inflation and deployment of the side airbag apparatus 12 in the vehicle seat assembly according to the invention, and in reality, only one, but not both, of the first side airbag 121 and the second side airbag 122 will be inflated when the vehicle 100 is involved in a collision. As will be understood with reference to fig. 2, the first side airbag 121 is designed to be deployed when the vehicle seat 11 faces the front of the vehicle, and the second side airbag 122 is designed to be deployed when the vehicle seat 11 faces the rear of the vehicle. It will be understood by those skilled in the art that the terms "first side airbag" and "second side airbag" are merely for descriptive convenience and are not limited to the cases described in the above embodiments, for example, the first side airbag may be deployed when the vehicle seat 11 faces the rear of the vehicle, and the second side airbag may be deployed when the vehicle seat 11 faces the front of the vehicle. Preferably, the first side airbag 121 is designed to have a smaller volume in a deployed state than the second side airbag 122 in a deployed state in consideration of the auxiliary protection effect of the B-pillar, and those skilled in the art will appreciate that this is merely an example and the side airbag apparatus in the vehicle seat assembly according to the present invention is not limited thereto, and for example, the two side airbags may be designed to have as large a volume in a deployed state. In order to occupy less space, the first side airbag 121 and the second side airbag 122 may be folded at first and then stored in the vehicle seat 11, and the folding may be performed, for example, by simultaneously winding a portion of the side airbag from the left and right edges thereof to the center, or by simultaneously winding a portion of the side airbag from the upper and lower edges thereof to the center and then simultaneously winding the portion of the side airbag from the left and right edges thereof to the center, or by using another airbag folding method selected by those skilled in the art from the prior art. The structure of the side airbag device 12 in the vehicle seat assembly according to the embodiment of the invention will be described in more detail with reference to fig. 3.
Fig. 3 shows a schematic configuration diagram of a side airbag apparatus in a vehicle seat according to an embodiment of the present invention. A side airbag device in a vehicle seat according to an embodiment of the invention will be described in further detail below with reference to fig. 3.
As shown in fig. 3, the side airbag apparatus 12 includes a controller and a gas generator in addition to the first side airbag 121 and the second side airbag 122 described above. The controller (not shown) and the gas generators (i.e., the first gas generator 123 and the second gas generator 124 in fig. 3) of the side airbag apparatus 12 are described below.
The controller is used to determine the orientation of the vehicle seat 11 and detect an impact signal to output a control signal. The controller determining the orientation of the vehicle seat 11 may be performed by a sensor, which accordingly comprises a sensor that may be provided on the seat back and/or the seat base for detecting whether a passenger is seated on the vehicle seat and for determining the orientation of said vehicle seat. For example, the sensor includes a weight sensor provided on the seat back that determines that the vehicle seat is oriented forward or rearward by detecting a pressure signal from the front side or the rear side of the seat back. For another example, the sensor includes an optical sensor provided on the seat back that determines that the vehicle seat is oriented forward or rearward by detecting an optical signal from the front side or the rear side of the seat back. It will be understood by those skilled in the art that in the side airbag device according to the present invention, the controller may employ any detection device capable of detecting the orientation of the vehicle seat without being limited to the above sensor.
The gas generator is configured to generate gas to inflate the first-side airbag 121 or the second-side airbag 122 based on a control signal of the controller, such that the first-side airbag 121 deploys when the vehicle seat 11 faces the front of the vehicle and the second-side airbag 122 deploys when the vehicle seat faces the rear of the vehicle. Specifically, in the embodiment shown in fig. 3, the gas generator includes a first gas generator 123 and a second gas generator 124, the first gas generator 123 being configured to inflate the first side airbag 121, and the second gas generator 124 being configured to inflate the second side airbag 122. The vehicle seat assembly according to the present invention is not limited to the above-described embodiments. For example, in the vehicle seat assembly according to the invention, the number of gas generators is not limited to two, for example, the number of gas generators may be set to only one, and the gas generators may also be designed to include a first vent path that is in fluid communication with the first side airbag for inflating the first side airbag, and a second vent path that is in fluid communication with the second side airbag for inflating the second side airbag.
The operation of the vehicle seat assembly according to the present invention will be described below.
When the vehicle 100 is impacted, the controller of the side airbag device 12 detects the impact signal and determines the orientation of the vehicle seat 11 to output a control signal;
the gas generator generates gas to inflate the first side airbag 121 or the second side airbag 122 based on a control signal of the controller;
the first side airbag 121 is deployed when the vehicle seat 11 faces the front of the vehicle, and the second side airbag 122 is deployed when the vehicle seat faces the rear of the vehicle.
Therefore, in the vehicle seat assembly according to the present invention, one side airbag is adapted to be deployed with the vehicle seat facing forward of the vehicle, and the other side airbag is adapted to be deployed with the vehicle seat facing rearward of the vehicle, the two side airbags are not in fluid communication with each other, and it is possible to determine which of the two side airbags needs to be inflated by the gas generator by judging the orientation of the vehicle seat before the side airbags are inflated and deployed. Therefore, the vehicle seat assembly according to the present invention can provide protection to the occupant in both cases where the occupant is seated toward the front of the vehicle and seated toward the rear of the vehicle, and is higher in safety.
According to another aspect of the present invention, there is also provided a vehicle comprising one or more of the vehicle seat assemblies described above to improve the safety of the vehicle.
As described above, although the exemplary embodiments of the present invention have been described in the description with reference to the drawings, the present invention is not limited to the above-described embodiments, and the scope of the present invention should be defined by the claims and their equivalents.
Claims (10)
1. A vehicle seat assembly for mounting within a cabin of a vehicle, comprising,
a vehicle seat including a seat back and a seat base, the seat back being connected to the seat base movably in a front-rear direction of the vehicle with respect to the seat base so that the vehicle seat can face forward or rearward of the vehicle; and
a side airbag device that is disposed on the vehicle seat and includes,
a first side airbag and a second side airbag that are not in fluid communication with each other, and that are configured to deploy between the vehicle seat and a side wall of a vehicle in an inflated state;
a controller for determining an orientation of the vehicle seat and detecting an impact signal to output a control signal; and
a gas generator for generating gas to inflate the first side airbag or the second side airbag based on a control signal of the controller such that the first side airbag is deployed when the vehicle seat faces forward of a vehicle and the second side airbag is deployed when the vehicle seat faces rearward of the vehicle.
2. The vehicle seat assembly of claim 1 wherein said gas generator comprises a first gas generator and a second gas generator, said first gas generator configured for inflating said first side airbag and said second gas generator configured for inflating said second side airbag.
3. The vehicle seat assembly of claim 1 wherein said gas generator includes a first vent path and a second vent path, said first vent path in fluid communication with said first side airbag for inflating said first side airbag and said second vent path in fluid communication with said second side airbag for inflating said second side airbag.
4. The vehicle seat assembly of claim 2 or 3 wherein the vehicle includes a first row of seats adjacent a front of the vehicle and a second row of seats adjacent a rear of the vehicle, and wherein the first row of seats includes a driver seat on one side of the vehicle and the vehicle seat assembly on the other side of the vehicle.
5. The vehicle seat assembly of claim 4 wherein said first side airbag is designed to have a volume in a deployed state that is less than a volume of said second side airbag in a deployed state.
6. The vehicle seat assembly of claim 5 wherein the controller includes a sensor disposed on the seat back and/or seat base for detecting whether a passenger is seated on the vehicle seat and determining the orientation of the vehicle seat.
7. The vehicle seat assembly of claim 6 wherein said sensor comprises a weight sensor disposed on said seat back.
8. The vehicle seat assembly of claim 7 wherein the seat back includes a pivot arm pivotally connected with the seat base about a pivot axis parallel to a floor of the vehicle.
9. The vehicle seat assembly of claim 8, further comprising a locking device for locking the position of the seat back relative to the seat base.
10. A vehicle characterized by comprising at least one vehicle seat assembly as claimed in any one of claims 1 to 9.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073399.9A CN111483425B (en) | 2019-01-25 | 2019-01-25 | Vehicle seat assembly and vehicle |
| US17/310,135 US11951881B2 (en) | 2019-01-25 | 2019-12-19 | Vehicle seat assembly and vehicle |
| PCT/CN2019/126592 WO2020151419A1 (en) | 2019-01-25 | 2019-12-19 | Vehicle seat assembly and vehicle |
| EP19911585.8A EP3915828A4 (en) | 2019-01-25 | 2019-12-19 | Vehicle seat assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073399.9A CN111483425B (en) | 2019-01-25 | 2019-01-25 | Vehicle seat assembly and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111483425A true CN111483425A (en) | 2020-08-04 |
| CN111483425B CN111483425B (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910073399.9A Active CN111483425B (en) | 2019-01-25 | 2019-01-25 | Vehicle seat assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111483425B (en) |
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| DE10047808A1 (en) * | 2000-09-27 | 2002-04-18 | Volkswagen Ag | Airbag module for backrest of motor vehicle seat has mattress-like airbag contained behind covering for back of seat backrest to protect rear seat passengers |
| DE10201836A1 (en) * | 2002-01-18 | 2003-08-14 | Volkswagen Ag | Air bag device has rebound air bag for those in front seats along with background air bag |
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| EP2256004A1 (en) * | 2009-05-25 | 2010-12-01 | Autoliv Development AB | Airbag device |
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| CN108068745A (en) * | 2016-11-10 | 2018-05-25 | 福特全球技术公司 | Seat assembly including air bag |
| JP2018127180A (en) * | 2017-02-10 | 2018-08-16 | 本田技研工業株式会社 | Vehicle seat device |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19646698A1 (en) * | 1995-11-15 | 1997-05-22 | Tokai Rika Co Ltd | Side airbag arrangement for motor vehicle |
| DE10047808A1 (en) * | 2000-09-27 | 2002-04-18 | Volkswagen Ag | Airbag module for backrest of motor vehicle seat has mattress-like airbag contained behind covering for back of seat backrest to protect rear seat passengers |
| DE10201836A1 (en) * | 2002-01-18 | 2003-08-14 | Volkswagen Ag | Air bag device has rebound air bag for those in front seats along with background air bag |
| CN101513863A (en) * | 2008-02-22 | 2009-08-26 | 丰田合成株式会社 | Side impact protection airbag system |
| US20090283991A1 (en) * | 2008-05-13 | 2009-11-19 | Toyoda Gosei Co. , Ltd. | Airbag apparatus |
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| JP2018127180A (en) * | 2017-02-10 | 2018-08-16 | 本田技研工業株式会社 | Vehicle seat device |
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| Publication number | Publication date |
|---|---|
| CN111483425B (en) | 2023-05-09 |
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