Seat airbag assembly, seat assembly, automobile body structure and automobile

Abstract

The utility model provides a seat air bag assembly, a seat assembly, an automobile body structure and an automobile. The seat air bag assembly comprises a first air bag assembly, a second air bag assembly and a control assembly. The first air bag assembly and the second air bag assembly are arranged on a seat at intervals in the vertical direction of a vehicle, the first air bag assembly is used for protecting the chest and hip of a passenger, and the second air bag assembly is used for protecting the head of the passenger; the control assembly is connected with the first air bag assembly and the second air bag assembly, and the control assembly is used for controlling the first air bag assembly to be unfolded or used for controlling the first air bag assembly and the second air bag assembly to be unfolded. According to the automobile seat air bag assembly, the control assembly controls the working states of the first air bag assembly and the second air bag assembly according to the real-time state of the seat, the seat air bag assembly is provided with the two-stage air bags capable of working independently, sufficient safety protection can be provided for passengers, and the safety performance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of seats, in particular to a seat airbag assembly, a seat assembly, a vehicle body structure and a car. Background Art

[0002] In order to protect the occupants in the vehicle when a collision occurs, seat airbag assemblies and curtain airbag assemblies are often required. The seat airbag assembly is arranged on the side of the vehicle seat backrest. The airbag inflates between the chest and hip area of ​​the occupant and the side structure of the vehicle body to protect the torso of the occupant. The curtain airbag assembly inflates in the side window area to protect the head of the occupant when a side collision occurs.

[0003] However, most of the seats nowadays are posture-adjustable seats. For example, in vehicles equipped with zero-gravity seats, when the seats are adjusted to a deep reclining position, the traditional curtain airbag assembly will not be able to meet the requirements for protecting the occupant's head, and the safety performance is poor. Utility Model Content

[0004] The utility model provides a seat airbag assembly, a seat assembly, a vehicle body structure and a car, so as to solve the problem that the existing seat airbag assembly has poor safety performance.

[0005] A seat airbag assembly includes a first airbag assembly, a second airbag assembly and a control assembly;

[0006] The first airbag assembly and the second airbag assembly are arranged on the seat at intervals along the up-down direction of the vehicle, the first airbag assembly is used to protect the chest and buttocks of the occupant, and the second airbag assembly is used to protect the head of the occupant;

[0007] The control component is connected to the first airbag component and the second airbag component respectively, and the control component is used to control the deployment of the first airbag component, or to control the deployment of the first airbag component and the second airbag component.

[0008] Preferably, the first airbag assembly includes a first airbag and a first gas generator; the first airbag and the first gas generator are both arranged in the chest and hip area of ​​the seat;

[0009] One end of the first gas generator is connected to the first airbag, and the other end of the first gas generator is connected to the control component.

[0010] Preferably, the second airbag assembly includes a second airbag and a second gas generator; the second airbag and the second gas generator are both arranged in the head area of ​​the seat;

[0011] One end of the second gas generator is connected to the second airbag, and the other end of the second gas generator is connected to the control component.

[0012] Preferably, the control assembly includes a controller and a sensing element;

[0013] The controller is connected to the first airbag assembly and the second airbag assembly respectively,

[0014] The sensing element is arranged on the seat and connected to the controller, and is used for collecting real-time information of the seat and sending the real-time information to the controller.

[0015] Preferably, the sensing element comprises an inclination sensor, which is disposed on the seat and connected to the controller for collecting inclination information of the seat and sending the inclination information to the controller.

[0016] Preferably, the tilt sensor is a Hall sensor.

[0017] Preferably, the sensing element further includes an acceleration sensor, which is disposed on the seat and connected to the controller for collecting collision information of the seat and sending the collision information to the controller.

[0018] A seat assembly, comprising a seat and the seat airbag assembly;

[0019] The seat airbag assembly is arranged on the seat.

[0020] A vehicle body structure comprises a vehicle body main body, a curtain airbag assembly and the seat assembly;

[0021] The curtain airbag assembly is arranged on the vehicle body, corresponding to the head area of ​​the seat.

[0022] A car comprises the above-mentioned car body structure.

[0023] The seat airbag assembly provided in the embodiment of the utility model is applied on the seat and cooperates with the curtain airbag assembly to provide protection for the occupants; it specifically includes a first airbag assembly, a second airbag assembly and a control assembly; when installed, the first airbag assembly and the second airbag assembly are arranged on the seat at intervals along the up and down directions of the vehicle, the first airbag assembly is used to protect the chest and buttocks of the occupants, and the second airbag assembly is used to protect the head of the occupants; the control assembly is respectively connected to the first airbag assembly and the second airbag assembly. When in use, the control component controls the working states of the first airbag component and the second airbag component according to the real-time state of the seat; when the seat is in a normal sitting position, the curtain airbag assembly can protect the occupant's head, and the control component only controls the deployment of the first airbag component, so that the first airbag component protects the occupant's chest and buttocks; when the seat is in an abnormal sitting position (the seat back has a large inclination angle), the curtain airbag assembly cannot protect the occupant's head, and the control component controls the deployment of both the first airbag component and the second airbag component, so that the first airbag component protects the occupant's chest and buttocks, and the second airbag component protects the occupant's head; this arrangement enables the seat airbag assembly to have a dual-stage airbag that can work independently, which can provide sufficient safety protection for the occupants and improve safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments of the utility model will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 It is a structural schematic diagram of a seat assembly in one embodiment of the utility model;

[0026] Figure 2 This is a first state diagram of a seat assembly in one embodiment of the utility model;

[0027] Figure 3 This is a second state diagram of the seat assembly in one embodiment of the utility model.

[0028] Among them, 1. seat; 2. first airbag component; 21. first airbag; 22. first gas generator; 3. second airbag component; 31. second airbag; 32. second gas generator; 4. curtain airbag assembly. DETAILED DESCRIPTION

[0029] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0030] In the description of the present invention, it should be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] The utility model embodiment provides a seat airbag assembly, referring to Figure 1-3 The seat airbag assembly includes a first airbag module 2, a second airbag module 3 and a control module; the first airbag module 2 and the second airbag module 3 are arranged on the seat 1 at intervals along the up and down direction of the vehicle, the first airbag module 2 is used to protect the chest and buttocks of the occupant, and the second airbag module 3 is used to protect the head of the occupant; the control module is connected to the first airbag module 2 and the second airbag module 3 respectively, and the control module is used to control the deployment of the first airbag module 2, or, to control the deployment of the first airbag module 2 and the second airbag module 3.

[0033] As an example, a seat airbag assembly is applied on a seat 1 and cooperates with a curtain airbag assembly 4 to provide protection for the occupants; it specifically includes a first airbag module 2, a second airbag module 3 and a control module; during installation, the first airbag module 2 and the second airbag module 3 are spaced apart on the seat 1 along the up and down directions of the vehicle, the first airbag module 2 is used to protect the chest and buttocks of the occupants, and the second airbag module 3 is used to protect the head of the occupants; the control module is connected to the first airbag module 2 and the second airbag module 3 respectively. When in use, the control component controls the working states of the first airbag component 2 and the second airbag component 3 according to the real-time state of the seat 1; when the seat 1 is in a normal sitting position, the curtain airbag assembly 4 can protect the occupant's head, and the control component only controls the first airbag component 2 to deploy, so that the first airbag component 2 protects the occupant's chest and buttocks; when the seat 1 is in an abnormal sitting position (the seat back has a large inclination angle), the curtain airbag assembly 4 cannot protect the occupant's head, and the control component can control both the first airbag component 2 and the second airbag component 3 to deploy, so that the first airbag component 2 protects the occupant's chest and buttocks, and the second airbag component 3 protects the occupant's head; the seat airbag assembly is arranged in this way with a dual-stage airbag that can work independently, which can provide sufficient safety protection for the occupants and improve safety performance.

[0034] In one embodiment, referring to Figure 1 The first airbag assembly 2 includes a first airbag 21 and a first gas generator 22; the first airbag 21 and the first gas generator 22 are both arranged in the chest and hip area of ​​the seat 1; one end of the first gas generator 22 is connected to the first airbag 21, and the other end of the first gas generator 22 is connected to the control assembly.

[0035] The chest and buttocks area of ​​the seat 1 refers to the area on the seat 1 corresponding to the chest and buttocks of the occupant when the occupant sits on the seat 1 .

[0036] As an example, the first airbag assembly 2 includes a first airbag 21 and a first gas generator 22; during installation, the first airbag 21 and the first gas generator 22 are both arranged in the chest and buttocks area of ​​the seat 1; one end of the first gas generator 22 is connected to the first airbag 21, and the other end of the first gas generator 22 is connected to the control component, and the control component controls the triggering of the first gas generator 22, and the first gas generator 22 can make the first airbag 21 deploy to provide protection for the chest and buttocks of the occupant.

[0037] In one embodiment, referring to Figure 1 The second airbag assembly 3 includes a second airbag 31 and a second gas generator 32; the second airbag 31 and the second gas generator 32 are both arranged in the head area of ​​the seat 1; one end of the second gas generator 32 is connected to the second airbag 31, and the other end of the second gas generator 32 is connected to the control assembly.

[0038] The head area of ​​the seat 1 refers to the area on the seat 1 corresponding to the head of the occupant when the occupant sits on the seat 1 .

[0039] As an example, the second airbag assembly 3 includes a second airbag 31 and a second gas generator 32; during installation, the second airbag 31 and the second gas generator 32 are both arranged in the head area of ​​the seat 1; one end of the second gas generator 32 is connected to the second airbag 31, and the other end of the second gas generator 32 is connected to the control component, and the control component controls the triggering of the second gas generator 32, and the second gas generator 32 can make the second airbag 31 deploy to provide protection for the occupant's head.

[0040] In one embodiment, the control component includes a controller and a sensing element; the controller is connected to the first airbag component 2 and the second airbag component 3 respectively, and the sensing element is arranged on the seat 1 and connected to the controller for collecting real-time information of the seat 1 and sending the real-time information to the controller.

[0041] As an example, the control component includes a controller and a sensing element; during installation, the controller is connected to the first airbag component 2 and the second airbag component 3, respectively, and specifically, the controller is connected to the first gas generator 22 and the second gas generator 32, respectively; then the sensing element is set on the seat 1, and the sensing element is connected to the controller, which can collect real-time information of the seat 1 and send the real-time information to the controller, and the controller controls the triggering of the first gas generator 22 and the second gas generator 32 respectively, so as to control the deployment of the first airbag 21 and the second airbag 31 respectively, thereby protecting the chest, buttocks and head of the occupant. Among them, the first gas generator 22 and the second gas generator 32 can independently receive ignition instructions, the sensing element collects real-time information of the seat 1, confirms that the occupant needs protection, and then the controller selects whether the first airbag 21 and the second airbag 31 are deployed. Specifically, when the real-time information collected by the sensing element reflects that the seat 1 is in a normal sitting state, the controller controls the triggering of the first gas generator 22 to control the deployment of the first airbag 21, thereby protecting the chest and buttocks of the occupant; when the occupant is in a lying position and the real-time information collected by the sensing element reflects that the seat 1 is in an abnormal sitting state, the controller controls the triggering of the first gas generator 22 and the second gas generator 32 at the same time to control the deployment of both the first airbag 21 and the second airbag 31, thereby protecting the chest, buttocks and head of the occupant; this arrangement enables the seat airbag assembly to have a dual-stage airbag that can work independently, thereby providing sufficient safety protection for the occupants and improving safety performance.

[0042] In one embodiment, the sensing element includes a tilt sensor, which is disposed on the seat 1 and connected to the controller for collecting tilt information of the seat 1 and sending the tilt information to the controller.

[0043] As an example, the sensing element includes a tilt sensor. When installed, the tilt sensor is set on the seat 1 and connected to the controller. The tilt sensor can collect the tilt information of the seat 1 and send the tilt information to the controller, so that the controller controls the first airbag assembly 2 and the second airbag assembly 3 to work, so as to provide adequate protection for the occupant. Specifically, when the tilt sensor collects that the tilt angle of the seat 1 is less than the preset tilt angle, the controller only controls the first airbag assembly 2 to work, and provides chest and buttocks protection for the occupant; when the tilt sensor collects that the tilt angle of the seat 1 is not less than the preset tilt angle, the controller controls the first airbag assembly 2 and the second airbag assembly 3 to work, and provides chest and buttocks protection and head protection for the occupant.

[0044] In one embodiment, the tilt sensor is a Hall sensor.

[0045] As an example, the inclination sensor is a Hall sensor, which has high precision, solid structure, small size, light weight, long life, easy installation, low power consumption, high frequency (up to 1MHZ), vibration resistance, and is not afraid of pollution or corrosion from dust, oil, water vapor, salt spray, etc., thereby improving the practicality of the equipment.

[0046] In one embodiment, the sensing element further includes an acceleration sensor, which is disposed on the seat 1 and connected to the controller for collecting collision information of the seat 1 and sending the collision information to the controller.

[0047] As an example, the sensing element also includes an acceleration sensor. When installed, the acceleration sensor is set on the seat 1 and connected to the controller; the acceleration sensor can collect the collision information of the seat 1 and send the collision information to the controller, so that the controller controls the first airbag component 2 and the second airbag component 3 to work, so as to provide adequate protection for the occupants. When the peak value of the acceleration collected by the acceleration sensor is less than the preset threshold, the controller determines that no collision accident has occurred at present, and controls the first airbag component 2 and the second airbag component 3 not to work; when the peak value of the acceleration collected by the acceleration sensor is not less than the preset threshold, it is determined that a collision accident has occurred at present, and the first airbag component 2 and the second airbag component 3 are controlled in combination with the inclination information of the seat 1 collected by the inclination sensor.

[0048] The utility model embodiment provides a seat assembly, referring to Figure 1-3 , including a seat 1 and a seat airbag assembly; the seat airbag assembly is arranged on the seat 1.

[0049] As an example, the seat assembly includes a seat 1 and a seat airbag assembly; during installation, the seat airbag assembly is set on the seat 1 to provide protection for the occupant on the seat 1.

[0050] In this example, seat 1 is a zero-gravity seat. The design goal of a zero-gravity seat is to imitate the posture of the human body in a zero-gravity environment, that is, the natural posture of the body when lying flat. They usually have an adjustable elevation angle so that the occupant can find the most comfortable posture for themselves. The seat airbag assembly includes a first airbag component 2, a second airbag component 3 and a control component. When installed, the first airbag component 2 and the second airbag component 3 are arranged on the zero-gravity seat at intervals along the vertical direction of the vehicle. The first airbag component 2 is used to protect the chest and buttocks of the occupant, and the second airbag component 3 is used to protect the head of the occupant. The control component is connected to the first airbag component 2 and the second airbag component 3 respectively. When in use, the seat airbag assembly is set on the zero-gravity seat, and the control component controls the working states of the first airbag component 2 and the second airbag component 3 according to the different postures of the zero-gravity seat; when the zero-gravity seat is in a normal sitting position, the curtain airbag assembly 4 can protect the occupant's head, and the control component only controls the first airbag component 2 to unfold, so that the first airbag component 2 protects the occupant's chest and buttocks; when the zero-gravity seat is in an abnormal sitting position (the seat back has a large inclination angle), the curtain airbag assembly 4 cannot protect the occupant's head, and the control component controls both the first airbag component 2 and the second airbag component 3 to unfold, so that the first airbag component 2 protects the occupant's chest and buttocks, and the second airbag component 3 protects the occupant's head; this arrangement enables the seat airbag assembly to have a dual-stage airbag that can work independently, which can provide sufficient safety protection for the occupants and improve safety performance.

[0051] The embodiment of the utility model provides a vehicle body structure, including a vehicle body main body, a curtain airbag assembly 4 and a seat assembly; the curtain airbag assembly 4 is arranged on the vehicle body main body, corresponding to the head area of ​​a seat 1 of the seat assembly.

[0052] As an example, the vehicle body structure includes a vehicle body, a curtain airbag assembly 4 and a seat assembly; the curtain airbag assembly 4 is arranged on the vehicle body, corresponding to the head area of ​​the seat 1 of the seat assembly, and is used to protect the head of the occupant. The seat assembly includes the seat 1 and the seat airbag assembly; when installed, the seat airbag assembly is arranged on the seat 1 to provide protection for the occupant on the seat 1.

[0053] In this example, the seat adopts a zero-gravity seat. The design goal of the zero-gravity seat is to imitate the posture of the human body in a zero-gravity environment, that is, the natural posture of the body when lying flat; they usually have an adjustable elevation angle so that the occupants can find the most comfortable posture that suits them best. The seat airbag assembly includes a first airbag component 2, a second airbag component 3 and a control component; when installed, the first airbag component 2 and the second airbag component 3 are arranged on the zero-gravity seat at intervals along the vertical direction of the vehicle, the first airbag component 2 is used to protect the chest and buttocks of the occupants, and the second airbag component 3 is used to protect the head of the occupants; the control component is connected to the first airbag component 2 and the second airbag component 3 respectively. When in use, the seat airbag assembly is set on the zero-gravity seat, and the control component controls the working states of the first airbag component 2 and the second airbag component 3 according to the different postures of the zero-gravity seat; when the zero-gravity seat is in a normal sitting position, the curtain airbag assembly 4 can protect the occupant's head, and the control component only controls the first airbag component 2 to unfold, so that the first airbag component 2 protects the occupant's chest and buttocks; when the zero-gravity seat is in an abnormal sitting position (the seat back has a large inclination angle), the curtain airbag assembly 4 cannot protect the occupant's head, and the control component controls both the first airbag component 2 and the second airbag component 3 to unfold, so that the first airbag component 2 protects the occupant's chest and buttocks, and the second airbag component 3 protects the occupant's head; this arrangement enables the seat airbag assembly to have a dual-stage airbag that can work independently, which can provide sufficient safety protection for the occupants and improve safety performance.

[0054] An embodiment of the utility model provides a car, comprising a car body structure.

[0055] As an example, the vehicle body structure includes a vehicle body, a curtain airbag assembly 4 and a seat assembly; the curtain airbag assembly 4 is arranged on the vehicle body, corresponding to the head area of ​​the seat 1 of the seat assembly, and is used to protect the head of the occupant. The seat assembly includes the seat 1 and the seat airbag assembly; when installed, the seat airbag assembly is arranged on the seat 1 to provide protection for the occupant on the seat 1.

[0056] In this example, the seat adopts a zero-gravity seat. The design goal of the zero-gravity seat is to imitate the posture of the human body in a zero-gravity environment, that is, the natural posture of the body when lying flat; they usually have an adjustable elevation angle so that the occupants can find the most comfortable posture that suits them best. The seat airbag assembly includes a first airbag component 2, a second airbag component 3 and a control component; when installed, the first airbag component 2 and the second airbag component 3 are arranged on the zero-gravity seat at intervals along the vertical direction of the vehicle, the first airbag component 2 is used to protect the chest and buttocks of the occupants, and the second airbag component 3 is used to protect the head of the occupants; the control component is connected to the first airbag component 2 and the second airbag component 3 respectively. When in use, the seat airbag assembly is set on the zero-gravity seat, and the control component controls the working states of the first airbag component 2 and the second airbag component 3 according to the different postures of the zero-gravity seat; when the zero-gravity seat is in a normal sitting position, the curtain airbag assembly 4 can protect the occupant's head, and the control component only controls the first airbag component 2 to unfold, so that the first airbag component 2 protects the occupant's chest and buttocks; when the zero-gravity seat is in an abnormal sitting position (the seat back has a large inclination angle), the curtain airbag assembly 4 cannot protect the occupant's head, and the control component controls both the first airbag component 2 and the second airbag component 3 to unfold, so that the first airbag component 2 protects the occupant's chest and buttocks, and the second airbag component 3 protects the occupant's head; this arrangement enables the seat airbag assembly to have a dual-stage airbag that can work independently, which can provide sufficient safety protection for the occupants and improve safety performance.

[0057] The embodiments described above are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be included in the protection scope of the present invention.

Claims

1. A seat airbag assembly, characterized in that: It includes a first airbag assembly, a second airbag assembly and a control assembly; The first airbag assembly and the second airbag assembly are arranged on the seat at intervals along the up-down direction of the vehicle, the first airbag assembly is used to protect the chest and buttocks of the occupant, and the second airbag assembly is used to protect the head of the occupant; The control component is connected to the first airbag component and the second airbag component respectively, and is used to control the deployment of the first airbag component, or to control the deployment of the first airbag component and the second airbag component.

2. The seat airbag assembly according to claim 1, characterized in that: The first airbag assembly includes a first airbag and a first gas generator; the first airbag and the first gas generator are both arranged in the chest and hip area of ​​the seat; One end of the first gas generator is connected to the first airbag, and the other end of the first gas generator is connected to the control component.

3. The seat airbag assembly according to claim 1, characterized in that: The second airbag assembly includes a second airbag and a second gas generator; the second airbag and the second gas generator are both arranged in the head area of ​​the seat; One end of the second gas generator is connected to the second airbag, and the other end of the second gas generator is connected to the control component.

4. The seat airbag assembly according to claim 1, characterized in that: The control assembly includes a controller and a sensing element; The controller is connected to the first airbag assembly and the second airbag assembly respectively, The sensing element is arranged on the seat and connected to the controller, and is used for collecting real-time information of the seat and sending the real-time information to the controller.

5. The seat airbag assembly according to claim 4, characterized in that: The sensing element comprises an inclination sensor, which is arranged on the seat and connected to the controller, and is used for collecting inclination information of the seat and sending the inclination information to the controller.

6. The seat airbag assembly according to claim 5, characterized in that: The inclination sensor is a Hall sensor.

7. The seat airbag assembly according to claim 4, characterized in that: The sensing element further includes an acceleration sensor, which is disposed on the seat and connected to the controller for collecting collision information of the seat and sending the collision information to the controller.

8. A seat assembly, characterized in that: A seat comprising a seat and a seat airbag assembly according to any one of claims 1 to 7; The seat airbag assembly is arranged on the seat.

9. A vehicle body structure, characterized in that: comprising a vehicle body, a curtain airbag assembly and the seat assembly as claimed in claim 8; The curtain airbag assembly is arranged on the vehicle body, corresponding to the head area of ​​the seat.

10. An automobile, characterized in that: The vehicle body structure comprises the vehicle body structure described in claim 9.

Images