Side curtain device, control method, and vehicle

Abstract

The application discloses a side curtain device, a control method and a vehicle. The side curtain device comprises an electromagnetic component, a permanent magnet, a side curtain component and an A-pillar guard which is detachably arranged on a vehicle body. One of the electromagnetic component and the permanent magnet is arranged on the vehicle body, and the other is arranged on the A-pillar guard. When the electromagnetic component is in a power-off state, the permanent magnet and the electromagnetic component can provide magnetic attraction force for fixing the A-pillar guard to the vehicle body, so as to form a first chamber for accommodating the side curtain component. When the electromagnetic component is in a power-on state, the permanent magnet and the electromagnetic component can provide magnetic repulsion force for separating the A-pillar guard from the vehicle body, so that a gap between the A-pillar guard and the vehicle body is formed for the side curtain component to be unfolded. The side curtain device, the control method and the vehicle can guarantee the safety of the A-pillar guard.

Description

Technical Field

[0001] This application belongs to the field of vehicle technology, specifically relating to a side curtain airbag device, control method, and vehicle. Background Technology

[0002] During vehicle use, the safety of passengers is paramount for major automakers worldwide. An increasing number of car brands and models are making side curtain airbags standard equipment to enhance overall vehicle safety and use them as a selling point. As a component of passive safety, side curtain airbags inflate and deploy rapidly (typically within 0.35-0.55ms) in a side collision, forming a flexible, gas-filled protective layer around the vehicle's side interior and among the occupants. Upon impact, the occupants' bodies shift, impacting the flexible airbag and preventing direct contact with hard interior materials, thus protecting them during a side collision.

[0003] Currently, all side curtain airbags are located inside the side panel. When the airbag deploys, the airbag inflates, pushing open the inner panel, or the curtain airbag straps tighten, pushing open the inner panel to allow the airbag to deploy smoothly. Because the side curtain airbags need to be positioned correctly after deployment, the anchor points at both ends are located in the A-pillar and C-pillar panels. However, since the interior A-pillar and C-pillar panels are made of injection-molded plastic, their flexibility decreases at low temperatures, making them brittle and fragile. This often results in the curtain airbag straps snag and break the panels during deployment, producing debris that can cause secondary injuries to occupants or tear the airbag, leading to insufficient inflation and loss of protective function. Summary of the Invention

[0004] To address the aforementioned technical problems, this invention provides a side curtain airbag device, control method, and vehicle, aiming to at least partially solve the technical problems that occur during the deployment of the side curtain airbag, where the airbag strap snags and breaks the protective panel, generating flying debris that can cause secondary injuries to occupants or tear the airbag, resulting in insufficient inflation and loss of protective function.

[0005] The technical solution of this invention is as follows:

[0006] A side curtain airbag device, characterized in that it includes: an electromagnetic component; a permanent magnet; a side curtain airbag assembly; and an A-pillar guard plate, detachably mounted on the vehicle body; wherein, one of the electromagnetic component and the permanent magnet is mounted on the vehicle body, and the other is mounted on the A-pillar guard plate; when the electromagnetic component is de-energized, the permanent magnet and the electromagnetic component provide a magnetic attraction force to fix the A-pillar guard plate to the vehicle body, forming a first chamber for accommodating the side curtain airbag assembly; when the electromagnetic component is energized, the permanent magnet and the electromagnetic component provide a magnetic repulsion force to separate the A-pillar guard plate from the vehicle body, thereby creating a gap between the A-pillar guard plate and the vehicle body for the side curtain airbag assembly to deploy.

[0007] In some implementations, the A-pillar guard plate has a second chamber and a through hole communicating with the second chamber. The side curtain air device further includes: a limiting member disposed in the second chamber; a guide member, one end of which is connected to the vehicle body and the other end of which passes through the through hole and is connected to the limiting member; wherein, along the axial direction of the guide member, the projected area of ​​the limiting member is larger than the area of ​​the through hole.

[0008] In some implementations, the A-pillar guard plate includes: a guard plate portion detachably connected to the vehicle body; and a support portion disposed on the guard plate portion to form the second chamber.

[0009] In some embodiments, the side curtain air device further includes an elastic element disposed on the guide member; wherein, when the electromagnetic component is de-energized, the elastic element is engaged within the through hole, and when the electromagnetic component is energized, the elastic element is compressed and separated from the through hole.

[0010] In some embodiments, the electromagnetic component includes: a support member disposed on the vehicle body or the A-pillar guard plate; a base disposed on the support member; an electromagnet core disposed on the base; and an electromagnetic induction coil wound around the circumference of the electromagnet core.

[0011] In some embodiments, the base includes: a connector connected to the support; a carrier connected to the connector, and the electromagnet core disposed on the carrier.

[0012] In some embodiments, the connector includes: a limiting part; a connecting part, one end of which is connected to the carrier and the other end of which passes through the support and is connected to the limiting part, wherein the connecting part and the limiting part are arranged at an angle.

[0013] In some implementations, a positioning groove is provided on the vehicle body or the A-pillar guard plate, and the permanent magnet is embedded in the positioning groove.

[0014] In some implementations, an adhesive layer is provided in the positioning groove, and the permanent magnet is connected to the groove wall of the positioning groove through the adhesive layer.

[0015] In some implementations, the vehicle body or the A-pillar guard plate is provided with a buckle, which engages with the permanent magnet.

[0016] In some embodiments, the side curtain airbag assembly includes: a side curtain airbag; two pull cords connected to both ends of the side curtain airbag respectively, both pull cords being connected to the vehicle body; and an ignition element disposed inside the side curtain airbag; wherein, when the side curtain airbag is deployed, the movement trajectory of the pull cords is staggered from the movement trajectory of the A-pillar guard plate.

[0017] Based on the same inventive concept, the present invention also provides a vehicle, including a body and the aforementioned side curtain air device.

[0018] Based on the same inventive concept, the present invention also provides a side curtain airbag control method, applied to the side curtain airbag device, the side curtain airbag control method comprising: obtaining a collision signal; controlling the electromagnetic component to be energized according to the collision signal, the permanent magnet and the electromagnetic component driving the A-pillar guard plate to move away from the vehicle body; and controlling the side curtain airbag component to deploy according to the collision signal.

[0019] In some implementations, the energization of the electromagnetic component and the deployment of the side curtain air assembly are performed simultaneously.

[0020] In some implementations, the side curtain airbag control method further includes: acquiring collision acceleration; and triggering the collision signal when the collision acceleration is higher than a set threshold.

[0021] The beneficial effects of the present invention include at least the following:

[0022] Because the A-pillar guard plate is detachably mounted on the vehicle body, one of the electromagnetic component and the permanent magnet is located on the vehicle body, and the other is located on the A-pillar guard plate. When the electromagnetic component is de-energized, the permanent magnet and the electromagnetic component provide magnetic attraction to fix the A-pillar guard plate to the vehicle body, forming the first chamber to accommodate the side curtain airbag assembly. When the electromagnetic component is energized, the permanent magnet and the electromagnetic component provide magnetic repulsion to separate the A-pillar guard plate from the vehicle body, creating a gap between the A-pillar guard plate and the vehicle body for the side curtain airbag assembly to deploy. Therefore, when the vehicle is not involved in a side collision, the electromagnetic component is de-energized. At this time, the electromagnetic component is demagnetized, and the electromagnetic component and the permanent magnet are attracted and connected, allowing the A-pillar guard plate to fit snugly against the vehicle body, ensuring the stability of the A-pillar guard plate installation. At the same time, the first chamber is formed to accommodate the side curtain airbag assembly, protecting the side curtain airbag assembly and also shielding it. To ensure aesthetics, when the vehicle experiences a side collision, the electromagnetic components are energized, generating magnetism. The magnetic poles of the electromagnetic components align with those of the permanent magnets, creating a magnetic repulsion force that pushes the A-pillar guard plate away from the vehicle body. The side curtain airbags then deploy through the gap between the A-pillar guard plate and the body. Because the A-pillar guard plate is already separated, the side curtain airbags do not contact it during deployment, preventing them from catching on the guard plate and causing debris to fly out. This ensures the safety of the A-pillar guard plate and avoids secondary injuries to occupants. Simultaneously, it also ensures the safety of the side curtain airbags, preventing them from being torn and allowing them to fully provide protection. This design increases the flexibility of the side curtain airbags while providing better protection for occupants. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the side curtain air device in some embodiments;

[0025] Figure 2 for Figure 1 A cross-sectional view of the center-side air curtain device along the AA direction;

[0026] Figure 3 for Figure 1 A schematic diagram showing the separation of the A-pillar guard plate from the vehicle body for the center side curtain airbag;

[0027] Figure 4 for Figure 1Schematic diagram of the A-pillar liner of the center side curtain airbag;

[0028] Figure 5 for Figure 4 Enlarged schematic diagram of point B on the A-pillar cladding;

[0029] Figure 6 for Figure 5 A-pillar guard plate, CC-direction sectional view;

[0030] Figure 7 for Figure 1 A structural diagram of the vehicle body with a center side curtain airbag system;

[0031] Figure 8 for Figure 7 Enlarged schematic diagram of point D on the middle body of the vehicle;

[0032] Figure 9 for Figure 8 A sectional view of the vehicle body from the FF direction;

[0033] Figure 10 for Figure 8 GG-direction sectional view of the mid-body;

[0034] Figure 11 Here are some schematic diagrams illustrating the right-hand bolt rule in various embodiments;

[0035] Figure 12 This is a flowchart of a side curtain airbag control method according to some embodiments.

[0036] In the attached image:

[0037] Electromagnetic component 10, support 101, base 102, connector 1021, connecting part 10211, limiting part 10212, bearing part 1022, electromagnet core 103, electromagnetic induction coil 104, cable 105.

[0038] Permanent magnet 20;

[0039] Side curtain air assembly 30;

[0040] A-pillar guard plate 40, second chamber 401, guard plate part 402, support part 403, positioning groove 404;

[0041] Body 50;

[0042] First chamber 60;

[0043] Limiting component 70;

[0044] Guide component 80;

[0045] Elastic element 90;

[0046] Buckle 100;

[0047] Drain pipe 110. Detailed Implementation

[0048] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0049] It should be noted that all directional indications in the embodiments of the present invention are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0050] In this invention, unless otherwise explicitly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0051] Furthermore, in this invention, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this invention.

[0052] This application is described below with reference to the accompanying drawings and specific embodiments:

[0053] The side curtain airbag device, control method, and vehicle provided in this embodiment aim to at least partially solve the technical problem that during the deployment of the side curtain airbag, the airbag straps may snag and break the protective plate, generating flying debris that could cause secondary injury to the driver and passengers, or tear the airbag, resulting in insufficient inflation and loss of protective function.

[0054] Figure 1 This is a schematic diagram of the side curtain air device in some embodiments; Figure 2 for Figure 1A cross-sectional view of the center-side air curtain device along the AA direction; Figure 3 for Figure 1 A schematic diagram showing the separation of the A-pillar trim panel from the vehicle body for the center side curtain airbag. (Combined with...) Figure 1 , Figure 2 and Figure 3 The side curtain airbag device of this embodiment includes: an electromagnetic component 10, a permanent magnet 20, a side curtain airbag assembly 30, and an A-pillar guard plate 40. The A-pillar guard plate 40 is detachably mounted on the vehicle body 50. One of the electromagnetic component 10 and the permanent magnet 20 is mounted on the vehicle body 50, and the other is mounted on the A-pillar guard plate 40. When the electromagnetic component 10 is de-energized, the permanent magnet 20 and the electromagnetic component 10 provide a magnetic attraction force to fix the A-pillar guard plate 40 to the vehicle body 50, forming a first chamber 60 for accommodating the side curtain airbag assembly 30. When the electromagnetic component 10 is energized, the permanent magnet 20 and the electromagnetic component 10 provide a magnetic repulsion force to separate the A-pillar guard plate 40 from the vehicle body 50, creating a gap between the A-pillar guard plate 40 and the vehicle body 50 for the side curtain airbag assembly 30 to deploy.

[0055] Since the A-pillar guard plate 40 is detachably mounted on the vehicle body 50, one of the electromagnetic component 10 and the permanent magnet 20 is mounted on the vehicle body 50, and the other is mounted on the A-pillar guard plate 40. When the electromagnetic component 10 is de-energized, the permanent magnet 20 and the electromagnetic component 10 can provide a magnetic attraction force to fix the A-pillar guard plate 40 to the vehicle body 50, thereby forming a first chamber 60 for accommodating the side curtain airbag assembly 30. When the electromagnetic component 10 is energized, the permanent magnet 20 and the electromagnetic component 10 can provide a magnetic attraction force to separate the A-pillar guard plate 40 from the vehicle body 50. The magnetic repulsion force creates a gap between the A-pillar guard plate 40 and the vehicle body 50, allowing the side curtain air assembly 30 to deploy. Therefore, when no side collision occurs, the electromagnetic component 10 is de-energized. At this time, the electromagnetic component 10 is demagnetized and attracts the permanent magnet 20, causing the A-pillar guard plate 40 to fit snugly against the vehicle body 50, ensuring the stability of the A-pillar guard plate 40 installation. Simultaneously, a first chamber 60 is formed to accommodate the side curtain air assembly 30, protecting it and providing a shield. The side curtain airbag assembly 30, designed for aesthetic purposes, energizes the electromagnetic component 10 upon a side collision. This energizes the electromagnetic component 10, causing it to become magnetic. The magnetic poles of the electromagnetic component 10 are identical to those of the permanent magnet 20, generating a magnetic repulsion force that pushes the A-pillar guard plate 40, causing it to separate from the vehicle body 50. The side curtain airbag assembly 30 then deploys through the gap between the A-pillar guard plate 40 and the vehicle body 50. Since the A-pillar guard plate 40 has separated from the vehicle body 50, the side curtain airbag assembly 30... During deployment, it will not come into contact with the A-pillar guard plate 40, thus preventing the side curtain airbag assembly 30 from catching on the A-pillar guard plate 40 when it is deployed, avoiding the A-pillar guard plate 40 from breaking and causing flying debris, ensuring the safety of the A-pillar guard plate 40 and avoiding secondary injuries to the occupants. At the same time, it also ensures the safety of the side curtain airbag assembly 30, preventing it from being torn, so that the side curtain airbag assembly 30 can fully play its protective role. While increasing the design freedom of the side curtain airbag assembly 30, it provides better protection for the occupants.

[0056] In some embodiments, since the A-pillar guard plate 40 is separated from the vehicle body 50, it will not come into contact with the A-pillar guard plate 40 during the deployment of the side curtain air assembly 30. This avoids the side curtain air assembly 30 from catching on the A-pillar guard plate 40 when it is deployed, thus preventing the A-pillar guard plate 40 from breaking and causing flying debris. This ensures the integrity of the A-pillar guard plate 40, and during maintenance, it is not necessary to replace the A-pillar guard plate 40, which can reduce maintenance costs.

[0057] In some embodiments, the permanent magnet 20 may be made of ferrite permanent magnet material. Of course, in other embodiments, the permanent magnet 20 may also be made of alloy permanent magnet material, including rare earth permanent magnet materials (neodymium iron boron Nd2Fe14B), samarium cobalt (SmCo), and alnico (AlNiCo). However, to reduce costs, it is preferable that the permanent magnet 20 is made of ferrite permanent magnet material.

[0058] In some embodiments, to reduce costs, the A-pillar guard plate can be made of plastic.

[0059] In some embodiments, the number of electromagnetic components 10 is the same as the number of permanent magnets 20. The number of electromagnetic components 10 can be one or more, and the number of permanent magnets 20 can be one or more. When there is one electromagnetic component 10, there is one permanent magnet 20; when there are multiple electromagnetic components 10, there are multiple permanent magnets 20.

[0060] In some embodiments, when there are multiple electromagnetic components 10 and multiple permanent magnets 20, the multiple electromagnetic components 10 correspond one-to-one with the multiple permanent magnets 20. That is, when the vehicle does not experience a side collision, the electromagnetic components 10 are in a de-energized state and are attracted to the corresponding permanent magnets 20. When the vehicle experiences a side collision, the electromagnetic components 10 are in an energized state and generate magnetism. The magnetic poles of the electromagnetic components 10 are the same as the magnetic poles of the corresponding permanent magnets 20, generating magnetic repulsion to push the A-pillar guard plate 40, causing the A-pillar guard plate 40 to separate from the vehicle body 50.

[0061] Combination Figure 3 In some embodiments, to guide the movement of the A-pillar guard plate 40, the A-pillar guard plate 40 has a second chamber 401 and a through hole communicating with the second chamber 401. The side curtain airbag device also includes a limiting member 70 and a guide member 80. The limiting member 70 is disposed in the second chamber 401, and the second chamber 401 accommodates the limiting member 70 to ensure its safety. At the same time, the cavity wall of the second chamber 401 can also cover the limiting member 70 to ensure aesthetics. One end of the guide member 80 is connected to the vehicle body 50, and the other end passes through the through hole and connects to the limiting member 70. Wherein, along the axial direction of the guide member 80, the projected area of ​​the limiting member 70 is larger than the area of ​​the through hole, so as to limit the movement of the A-pillar guard plate 40 by the limiting member 70 and prevent the A-pillar guard plate 40 from falling off the guide member 80.

[0062] In some embodiments, when a side collision occurs, the electromagnetic component 10 is energized, causing it to become magnetic. The magnetic poles of the electromagnetic component 10 are the same as those of the permanent magnet 20, generating a magnetic repulsion force that pushes the A-pillar guard plate 40 along the axial direction of the guide member 80. The A-pillar guard plate 40 moves on the guide member 80, which guides its movement and supports it, preventing it from falling off. To prevent secondary injuries to occupants, the A-pillar guard plate 40 is positioned at the limiting member 70. Since the projected area of ​​the limiting member 70 is larger than the area of ​​the through hole along the axial direction of the guide member 80, the limiting member 70 abuts against the A-pillar guard plate 40. The limiting member 70 blocks the A-pillar guard plate 40, preventing it from continuing to move along the axial direction of the guide member 80, further preventing the A-pillar guard plate 40 from falling off, thus avoiding secondary injuries to occupants and providing better protection.

[0063] In some embodiments, the limiting member 70 and the guide member 80 are arranged at an angle. When the A-pillar guard plate 40 moves to the limiting member 70, the limiting member 70 can abut against the A-pillar guard plate 40, blocking the A-pillar guard plate 40 and preventing it from continuing to move along the axial direction of the guide member 80. This further prevents the A-pillar guard plate 40 from falling off, avoiding secondary injuries to the occupants and providing better protection for them. The included angle between the limiting member 70 and the guide member 80 can be an acute angle, an obtuse angle, or a right angle.

[0064] In some embodiments, the guide 80 is fixedly connected to the vehicle body 50 in order to ensure the stability of the connection between the guide 80 and the vehicle body 50.

[0065] Figure 4 for Figure 1 A schematic diagram of the A-pillar liner of the center-side air curtain device. (Combined with...) Figure 3 and Figure 4 In some embodiments, to form the second chamber 401, the A-pillar guard plate 40 includes a guard plate portion 402 and a support portion 403. The guard plate portion 402 is detachably connected to the vehicle body 50. The support portion 403 is disposed on the guard plate portion 402 to form the second chamber 401. A through hole is formed on the support portion 403 in a direction perpendicular to the axial direction of the guide member 80. The cross-sectional shape of the support portion 403 can be L-shaped, and the cross-sectional shape of the guard plate portion 402 can be arc-shaped.

[0066] In some embodiments, the support portion 403 is disposed on the guard plate portion 402 to form a second chamber 401. The second chamber 401 accommodates the limiting member 70 to ensure the safety of the limiting member 70. The second chamber 401 also provides space for the support portion 403 to move on the guide member 80. At the same time, the guard plate portion 402 and the support portion 403 can also cover the limiting member 70 to ensure aesthetics.

[0067] In some embodiments, in order to ensure the stability of the connection between the guard plate portion 402 and the support portion 403, the guard plate portion 402 and the support portion 403 can be integrally formed, which also reduces costs.

[0068] Combination Figure 3 and Figure 4 In some embodiments, to ensure the stability of the A-pillar guard plate 40 installation, the side curtain air device further includes an elastic element 90. The elastic element 90 is disposed on the guide member 80. When the electromagnetic component 10 is de-energized, the elastic element 90 is engaged within the through hole; when the electromagnetic component 10 is energized, the elastic element 90 is compressed and separated from the through hole.

[0069] In some embodiments, when the electromagnetic component 10 is de-energized, that is, when the vehicle has not experienced a side collision, in order to accommodate the side curtain airbag assembly 30, protect the side curtain airbag assembly 30, and also to cover the side curtain airbag assembly 30 for aesthetic purposes, the elastic element 90 is engaged in the through hole to determine the position of the A-pillar guard plate 40. Under the combined action of the electromagnetic component 10 and the permanent magnet 20 adsorbing and connecting, the stability of the A-pillar guard plate 40 installation is ensured. When the electromagnetic component 10 is energized, that is, when the vehicle is involved in a side collision, in order to ensure that the A-pillar guard plate 40 separates from the body 50, the side curtain airbag assembly 30 can be deployed through the gap between the A-pillar guard plate 40 and the body 50. The magnetic poles of the electromagnetic component 10 are the same as the magnetic poles of the permanent magnet 20, generating a magnetic repulsion force to push the A-pillar guard plate 40, causing the elastic element 90 to be compressed and separated from the through hole, so that the A-pillar guard plate 40 can move on the guide member 80, ensuring that the A-pillar guard plate 40 does not come into contact with the side curtain airbag assembly 30, thus ensuring the safety of the A-pillar guard plate 40.

[0070] In some embodiments, the travel of the A-pillar guard plate 40 on the guide member 80 is the distance between the elastic member 90 and the limiting member 70, so that when the electromagnetic component 10 is de-energized, the elastic member 90 is locked in the through hole, ensuring the stability of the A-pillar guard plate 40 installation. When the A-pillar guard plate 40 moves to the limiting member 70, the limiting member 70 can block the A-pillar guard plate 40, preventing the A-pillar guard plate 40 from continuing to move along the axial direction of the guide member 80, further preventing the A-pillar guard plate 40 from falling off, avoiding secondary injury to the driver and passengers, and providing better protection for the driver and passengers.

[0071] In some embodiments, in order to reduce costs, the limiting member 70, the guide member 80 and the elastic member 90 can be integrally formed to form a dovetail groove buckle, which ensures the stability of the connection between the limiting member 70, the guide member 80 and the elastic member 90.

[0072] Figure 7 for Figure 1 A structural diagram of the vehicle body with a center side curtain airbag system; Figure 8 for Figure 7 Enlarged schematic diagram of point D on the middle body of the vehicle; Figure 9 for Figure 8 A sectional view of the vehicle body from the FF direction; Figure 10 for Figure 8 A cross-sectional view of the mid-body of the vehicle in the GG direction. Combined with... Figure 7 , Figure 8 , Figure 9 and Figure 10 In some embodiments, the electromagnetic component 10 includes: a support member 101, a base 102, an electromagnet core 103, and an electromagnetic induction coil 104. The support member 101 is mounted on the vehicle body 50 or the A-pillar guard plate 40, and is supported by the vehicle body 50 or the A-pillar guard plate 40. The base 102 is mounted on the support member 101, and is supported by the support member 101. The electromagnet core 103 is mounted on the base 102, and is supported by the base 102. The electromagnetic induction coil 104 is wound around the circumferential surface of the electromagnet core 103.

[0073] In some embodiments, when the vehicle does not experience a side collision, the electromagnetic component 10 is in a de-energized state, that is, no power is supplied to the electromagnetic induction coil 104. At this time, the electromagnet core 103 is demagnetized, and the electromagnet core 103 is attracted and connected to the permanent magnet 20 so that the A-pillar guard plate 40 fits against the body 50, ensuring the stability of the A-pillar guard plate 40 installation. At the same time, a first chamber 60 is formed to accommodate the side curtain airbag assembly 30, protecting the side curtain airbag assembly 30. It can also cover the side curtain airbag assembly 30 to ensure aesthetics. When a side collision occurs, the electromagnetic component 10 is energized, that is, the electromagnetic induction coil 104 is energized. The electromagnet core 103 generates magnetism, and the magnetic poles of the electromagnet core 103 are the same as the magnetic poles of the permanent magnet 20, generating a magnetic repulsive force. This force pushes the A-pillar guard plate 40, causing the A-pillar guard plate 40 to separate from the vehicle body 50. The side curtain airbag assembly 30 then deploys through the gap between the A-pillar guard plate 40 and the vehicle body 50. Since the A-pillar guard plate 40 has already separated from the vehicle body 50, during the deployment of the side curtain airbag assembly 30... It will not come into contact with the A-pillar guard plate 40, thus preventing the side curtain air assembly 30 from catching on the A-pillar guard plate 40 when it is deployed, avoiding the A-pillar guard plate 40 from breaking and causing flying debris, ensuring the safety of the A-pillar guard plate 40, and at the same time, avoiding secondary injury to the driver and passengers. It also ensures the safety of the side curtain air assembly 30, preventing the side curtain air assembly 30 from being torn, so that the side curtain air assembly 30 can fully play its protective role. While increasing the design freedom of the side curtain air assembly 30, it provides better protection for the driver and passengers.

[0074] In some embodiments, if the support member 101 is provided on the vehicle body 50, the support member 101 can be part of the sheet metal of the vehicle body 50, which can reduce costs while ensuring the stability of the installation of the support member 101 and the vehicle body 50.

[0075] In some embodiments, the electromagnet core 103 may be integrally formed with the base 102. Of course, in other embodiments, the electromagnet core 103 may be welded to the base 102. However, welding the electromagnet core 103 to the base 102 may affect the structural strength of the base 102 and increase manufacturing costs. To reduce manufacturing costs, ensure the stability of the connection between the electromagnet core 103 and the base 102, and avoid affecting the structural strength of the base 102, preferably, the electromagnet core 103 may be integrally formed with the base 102.

[0076] Combination Figure 7 , Figure 8 , Figure 9 and Figure 10 In some embodiments, in order to energize the electromagnetic induction coil 104, the electromagnetic component 10 further includes a cable 105. The cable 105 is electrically connected to the electromagnetic induction coil 104, and power is supplied to the electromagnetic induction coil 104 through the cable 105.

[0077] Combination Figure 9 and Figure 10 In some embodiments, to facilitate the connection between the base 102 and the support member 101, the base 102 includes a connector 1021 and a carrier 1022. The connector 1021 is connected to the support member 101. The carrier 1022 is connected to the connector 1021. The electromagnet core 103 is disposed on the carrier 1022, and the carrier 1022 supports the electromagnet core 103. The carrier 1022 is fastened to the support member 101 by the connector 1021, so that the support member 101 supports the carrier 1022.

[0078] Combination Figure 9 and Figure 10 In some embodiments, to facilitate the connection between the connector 1021 and the support member 101, the connector 1021 includes a limiting portion 10212 and a connecting portion 10211. The limiting portion 10212 and the support member 1022 are located on opposite sides of the support member 101. One end of the connecting portion 10211 is connected to the support member 1022, and the other end passes through the support member 101 and connects with the limiting portion 10212. The connecting portion 10211 and the limiting portion 10212 are set at an angle. The included angle between the connecting portion 10211 and the limiting portion 10212 can be an acute angle, an obtuse angle, or a right angle.

[0079] In some embodiments, when the carrier 1022 is to be installed on the support 101, the limiting part 10212 is passed through the support 101 so that the limiting part 10212 and the carrier 1022 are located on opposite sides of the support 101, and then the limiting part 10212 is bent so that the connecting part 10211 and the limiting part 10212 are set at an angle, thereby fastening the carrier 1022 to the support 101 and facilitating the installation of the carrier 1022.

[0080] In some embodiments, the carrier 1022 is provided with a mounting hole. When the carrier 1022 is to be installed on the support 101, the limiting part 10212 is passed through the mounting hole so that the limiting part 10212 and the carrier 1022 are located on opposite sides of the support 101, and the connecting part 10211 is located in the mounting hole. Then the limiting part 10212 is bent so that the connecting part 10211 and the limiting part 10212 are set at an angle, thereby fastening the carrier 1022 to the support 101 and facilitating the installation of the carrier 1022.

[0081] In some embodiments, the number of connectors 1021 is at least one, that is, the number of connectors 1021 can be one or more. In order to ensure the stability of the connection between the connectors 1021 and the support 101, preferably, the number of connectors 1021 is multiple, so as to ensure the stability of mounting the carrier 1022 on the support 101.

[0082] In some embodiments, to reduce costs, the limiting part 10212 and the connecting part 10211 can be integrally formed to ensure the stability of the connection between the limiting part 10212 and the connecting part 10211. The limiting part 10212 and the connecting part 10211 constitute a pin.

[0083] Of course, in some other embodiments, the connecting part 10211 can be a screw, and the limiting part 10212 can be a nut. After the screw passes through the support member 101, the nut is locked onto the screw, which also fastens the bearing member 1022 onto the support member 101. However, the method of matching the screw and nut increases the cost and is cumbersome. In order to facilitate the installation of the bearing member 1022 onto the support member 101 and to reduce costs, preferably, one end of the connecting part 10211 is connected to the bearing member 1022, and the other end passes through the support member 101 and connects to the limiting part 10212. The connecting part 10211 and the limiting part 10212 are set at an angle.

[0084] Figure 4 for Figure 1 Schematic diagram of the A-pillar liner of the center side curtain airbag; Figure 5 for Figure 4 Enlarged schematic diagram of point B on the A-pillar cladding; Figure 6 for Figure 5 A cross-sectional view of the A-pillar cladding along the CC direction. (Combined with...) Figure 4 , Figure 5 and Figure 6 In some embodiments, in order to facilitate the installation of the permanent magnet 20, a positioning groove 404 is provided on the vehicle body 50 or the A-pillar guard plate 40, and the permanent magnet 20 is embedded in the positioning groove 404.

[0085] In some embodiments, when installing the permanent magnet 20, the permanent magnet 20 can be directly embedded in the positioning groove 404, which realizes the positioning and installation prompt of the permanent magnet 20, so as to facilitate the quick positioning and installation of the permanent magnet 20. At the same time, the groove wall of the positioning groove 404 can also limit the permanent magnet 20 to ensure the stability of the permanent magnet 20 installation.

[0086] In some embodiments, in order to ensure the stability of the permanent magnet 20 installation, an adhesive layer is provided in the positioning groove 404, and the permanent magnet 20 is connected to the groove wall of the positioning groove 404 through the adhesive layer, which facilitates the installation of the permanent magnet 20.

[0087] In some embodiments, adhesive is injected into the positioning groove 404 to form an adhesive layer. The groove wall of the positioning groove 404 can limit the diffusion of the adhesive, preventing unrestricted diffusion and ensuring the bonding strength between the adhesive layer and the permanent magnet 20. This ensures the stability of the permanent magnet 20 installation and also reduces the amount of hot melt adhesive used, thus reducing costs. The adhesive can be a hot melt adhesive.

[0088] Combination Figure 4 , Figure 5 and Figure 6 In some embodiments, in order to ensure the stability of the permanent magnet 20 installation, the vehicle body 50 or the A-pillar guard plate 40 is provided with a buckle 100, which is engaged with the permanent magnet 20.

[0089] In some embodiments, when the permanent magnet 20 is to be installed, the snap-fit ​​100 can be directly engaged with the permanent magnet 20, thereby realizing the installation of the permanent magnet 20 and ensuring the stability of the installation. At the same time, the snap-fit ​​100 can also provide positioning and installation prompts for the permanent magnet 20, so as to facilitate the quick positioning and installation of the permanent magnet 20.

[0090] Of course, in some other embodiments, positioning grooves 404 and buckles 100 can be simultaneously provided on the vehicle body 50 or A-pillar guard plate 40. The positioning grooves 404 and buckles 100 work together to ensure the stability of the permanent magnet 20 installation. At the same time, the positioning grooves 404 and buckles 100 can simultaneously provide positioning and installation prompts for the permanent magnet 20, so as to facilitate the quick positioning and installation of the permanent magnet 20.

[0091] Of course, in some other embodiments, the permanent magnet 20 can also be fixed to the vehicle body 50 or the A-pillar guard plate 40 by bolts. However, if bolts are used, holes need to be drilled in the vehicle body 50 or the A-pillar guard plate 40, which not only affects the aesthetics but also the sealing performance. Therefore, preferably, the permanent magnet 20 is fixed in the positioning groove 404 by an adhesive layer or snapped with the buckle 100.

[0092] Combination Figure 1 , Figure 2 and Figure 3 In some embodiments, to provide protection for occupants, the side curtain airbag assembly 30 includes a side curtain airbag 301, an ignition element, and two pull cords 302. The two pull cords 302 are connected to both ends of the side curtain airbag 301, and both pull cords 302 are connected to the vehicle body 50. The ignition element is located inside the side curtain airbag 301. When the side curtain airbag 301 is deployed, the movement trajectory of the pull cords 302 is offset from the movement trajectory of the A-pillar guard plate 40.

[0093] In some embodiments, when the vehicle does not experience a side collision, the electromagnetic component 10 is de-energized, and the two pull cords 302 are in a slack state. When the vehicle experiences a side collision, the ignition element ignites, causing the side curtain airbag 301 to deploy. At this time, the two pull cords 302 change from a slack state to a taut state, ensuring the position and orientation of the deployed side curtain airbag 301 so that it can catch the occupants and provide better protection. Meanwhile, when the side curtain airbag 301 deploys, the movement trajectory of the pull cord 302 is staggered from that of the A-pillar guard plate 40. This prevents the pull cord 302 from getting caught on the A-pillar guard plate 40 when the side curtain airbag 301 deploys, thus preventing the A-pillar guard plate 40 from breaking and causing flying debris. This ensures the safety of the A-pillar guard plate 40 and avoids secondary injuries to the occupants. At the same time, it also ensures the safety of the side curtain airbag 301, preventing it from being torn. This allows the side curtain airbag 301 to fully play its protective role and provide better protection for the occupants.

[0094] In some embodiments, in a spatial rectangular coordinate system, the movement trajectory of the pull rope 302 can be along the Z direction, and the movement trajectory of the A-pillar guard plate 40 can be along the Y direction, so that the movement trajectory of the pull rope 302 and the movement trajectory of the A-pillar guard plate 40 are staggered.

[0095] In some embodiments, when the electromagnetic component 10 is de-energized, that is, when the side air curtain 301 is not ignited by the ignition element, the area of ​​the A-pillar guard plate 40 is greater than or equal to the area of ​​the side air curtain 301, so that the A-pillar guard plate 40 can completely cover the side air curtain 301, so that the entire side air curtain 301 is located within the first chamber 60, and the first chamber 60 can completely contain the side air curtain 301, providing sufficient protection for the side air curtain 301. At the same time, it can prevent the side air curtain 301 from being exposed and can cover the side air curtain 301 to ensure aesthetics.

[0096] In some embodiments, the electromagnetic component 10 may be disposed on the vehicle body 50, and the permanent magnet 20 may be disposed on the A-pillar guard plate 40. Of course, in other embodiments, the permanent magnet 20 may be disposed on the vehicle body 50, and the electromagnetic component 10 may be disposed on the A-pillar guard plate 40.

[0097] In some embodiments, for ease of wiring and installation of the electromagnetic component 10, the electromagnetic component 10 may be mounted on the vehicle body 50, and the permanent magnet 20 may be mounted on the A-pillar guard plate 40.

[0098] Figure 11 This is a schematic diagram illustrating the principle of the right-hand bolt rule in some embodiments. (Combined with...) Figure 11In some embodiments, when the electromagnetic component 10 is mounted on the vehicle body 50 and the permanent magnet 20 is mounted on the A-pillar guard plate 40, when the electromagnetic component 10 is de-energized, it does not generate an electromagnetic field. The magnetic field of the permanent magnet 20 attracts the electromagnetic core 103 of the electromagnetic component 10, causing the A-pillar guard plate 40 to adhere to the vehicle body 50, thus further securing the A-pillar guard plate 40 after assembly. When the electromagnetic component 10 is energized, the electromagnetic core 103 and the electromagnetic induction coil 104 constitute an electromagnet. The N and S poles of the permanent magnet 20 are determined during assembly. According to the right-hand rule, the electromagnetic core 103 of the electromagnetic component 10 can control the N and S poles of the electromagnetic component 10 based on the direction of the current in the electromagnetic induction coil 104. The permanent magnet 20 on the A-pillar guard plate 40 has its N pole facing outward and its S pole facing inward. By controlling the direction of the current in the electromagnetic induction coil 104 of the electromagnetic component 10, the N pole of the electromagnetic component 10 can be made to face inward and the S pole to face outward, so that the magnetic poles of the electromagnetic component 10 and the permanent magnet 20 are the same, which can generate magnetic repulsion force to push the A-pillar guard plate 40, so that the A-pillar guard plate 40 separates from the body 50, and the side curtain air assembly 30 deploys through the gap between the A-pillar guard plate 40 and the body 50.

[0099] In some embodiments, the side air curtain device further includes a drain pipe 110 for drainage. The drain pipe 110 is disposed in the first chamber 60. The drain pipe 110 can drain water from the skylight to prevent water accumulation at the skylight. The first chamber 60 accommodates the side drain pipe 110, which can protect the drain pipe 110 and also cover the drain pipe 110 to ensure aesthetics.

[0100] Based on the same inventive concept, this application also proposes a vehicle that adopts the side curtain air device. The specific structure of the side curtain air device is as described in the above embodiments. Since the roof structure adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0101] In some embodiments, the vehicle further includes a body 50. Since the A-pillar guard plate 40 is detachably mounted on the body 50, one of the electromagnetic component 10 and the permanent magnet 20 is mounted on the body 50 and the other on the A-pillar guard plate 40. When the electromagnetic component 10 is de-energized, the permanent magnet 20 and the electromagnetic component 10 provide a magnetic attraction force to fix the A-pillar guard plate 40 to the body 50, forming a first chamber 60 for accommodating the side curtain airbag assembly 30. When the electromagnetic component 10 is energized, the permanent magnet 20 and the electromagnetic component 10 provide a magnetic attraction force to separate the A-pillar guard plate 40 from the body 50. The magnetic repulsion force creates a gap between the A-pillar guard plate 40 and the vehicle body 50, allowing the side curtain air assembly 30 to deploy. Therefore, when no side collision occurs, the electromagnetic component 10 is de-energized. At this time, the electromagnetic component 10 is demagnetized and attracts the permanent magnet 20, causing the A-pillar guard plate 40 to fit snugly against the vehicle body 50, ensuring the stability of the A-pillar guard plate 40 installation. Simultaneously, a first chamber 60 is formed to accommodate the side curtain air assembly 30, protecting it and providing a shield. The side curtain airbag assembly 30, designed for aesthetic purposes, is energized when the vehicle experiences a side collision. This energizes the electromagnetic component 10, causing it to become magnetic. The magnetic poles of the electromagnetic component 10 are identical to those of the permanent magnet 20, generating a magnetic repulsion force that pushes the A-pillar guard plate 40, causing it to separate from the vehicle body 50. The side curtain airbag assembly 30 then deploys through the gap between the A-pillar guard plate 40 and the vehicle body 50. Since the A-pillar guard plate 40 has separated from the vehicle body 50, the side curtain airbag assembly 30... During deployment, the side curtain airbag 30 will not come into contact with the A-pillar guard plate 40, thus preventing the side curtain airbag assembly 30 from catching on the A-pillar guard plate 40 and causing it to break and scatter debris. This ensures the safety of the A-pillar guard plate 40 and avoids secondary injuries to the occupants. At the same time, it also ensures the safety of the side curtain airbag assembly 30, preventing it from being torn. This allows the side curtain airbag assembly 30 to fully play its protective role, increasing the design freedom of the side curtain airbag assembly 30 while providing better protection for the occupants.

[0102] Figure 12 This is a flowchart illustrating some embodiments of a side curtain airbag control method. (In conjunction with...) Figure 12 Based on the same inventive concept, this application also provides a side curtain airbag control method applied to a side curtain airbag device. The side curtain airbag device further includes a body control module (BCM) and body sensors. The body control module is electrically connected to the body sensors, the electromagnetic induction coil 104 of the electromagnetic component 10, and the ignition element of the side curtain airbag assembly 30. The side curtain airbag control method includes:

[0103] Step S1: Obtain the collision signal.

[0104] Specifically, the vehicle's body control module determines whether a collision signal has been received. When the vehicle experiences a side collision of a certain degree, the body sensors send a collision signal to the vehicle's body control module.

[0105] Step S2: Based on the collision signal, control the electromagnetic component 10 to be energized, and the permanent magnet 20 and the electromagnetic component 10 drive the A-pillar guard plate 40 to move away from the vehicle body 50.

[0106] Specifically, the vehicle body control module generates a first control signal based on the collision signal. Based on this first control signal, the vehicle body control module energizes the electromagnetic induction coil 104 of the electromagnetic component 10. The electromagnetic core 103 and the electromagnetic induction coil 104 of the electromagnetic component 10 generate magnetism. The magnetic poles of the electromagnetic component 10 are the same as those of the permanent magnet 20, generating a magnetic repulsion force to drive the A-pillar guard plate 40 to move away from the vehicle body 50, thus separating the A-pillar guard plate 40 from the vehicle body 50. The electromagnetic induction coil 104 of the electromagnetic component 10 is electrically connected to the vehicle body control module via a cable 105.

[0107] Step S3: Based on the collision signal, control the side curtain air assembly 30 to deploy.

[0108] Specifically, the vehicle body control module generates a second control signal based on the collision signal. The vehicle body control module then controls the ignition element of the side curtain airbag assembly 30 to activate based on the second control signal. The ignition element of the side curtain airbag assembly 30 detonates the side curtain airbag 301, causing it to deploy through the gap between the A-pillar guard plate 40 and the vehicle body 50. Since the A-pillar guard plate 40 is separated from the vehicle body 50, it will not contact the A-pillar guard plate 40 during deployment. This prevents the side curtain airbag assembly 30 from catching on the A-pillar guard plate 40 during deployment, avoiding breakage and debris, thus ensuring the safety of the A-pillar guard plate 40 and preventing secondary injuries to occupants. Simultaneously, it also ensures the safety of the side curtain airbag assembly 30, preventing it from being torn. This allows the side curtain airbag assembly 30 to fully perform its protective function, increasing the design freedom of the side curtain airbag assembly 30 while providing better protection for occupants. The ignition element of the side curtain airbag assembly 30 can be electrically connected to the vehicle body control module via cable 105.

[0109] Specifically, when the vehicle does not experience a side collision, the body sensors will not send a collision signal to the vehicle body control module. In other words, the vehicle body control module will control the electromagnetic component 10 to be in a de-energized state. At this time, the electromagnetic component 10 is demagnetized, and the electromagnetic component 10 is attracted and connected to the permanent magnet 20 so that the A-pillar guard plate 40 fits against the body 50, ensuring the stability of the A-pillar guard plate 40 installation. At the same time, a first chamber 60 is formed to accommodate the side curtain airbag assembly 30, protecting the side curtain airbag assembly 30. It can also cover the side curtain airbag assembly 30 to ensure aesthetics.

[0110] Because the ignition and inflation time of the side air curtain 301 of the air curtain assembly 30 is very short (usually 0.35ms to 0.55ms), there may be a risk that the electromagnetic component 10 and the permanent magnet 20 have not completely separated, the side air curtain 301 of the air curtain assembly 30 has been fully inflated, and the pull cord 302 of the air curtain assembly 30 is taut. There is still a high probability that the pull cord 302 of the air curtain assembly 30 may snag on the A-pillar guard plate 40, causing the A-pillar guard plate 40 to break. In some embodiments, to further ensure the safety of the A-pillar guard plate 40, the energization of the electromagnetic component 10 and the deployment of the side curtain airbag assembly 30 are performed simultaneously. During the deployment of the side curtain airbag assembly 30, the A-pillar guard plate 40 has already separated from the vehicle body 50, preventing the side curtain airbag assembly 30 from catching on the A-pillar guard plate 40 during deployment, preventing the A-pillar guard plate 40 from breaking and causing flying debris, ensuring the safety of the A-pillar guard plate 40, and avoiding secondary injury to the occupants. At the same time, it also ensures the safety of the side curtain airbag assembly 30, preventing the side curtain airbag assembly 30 from being torn, so that the side curtain airbag assembly 30 can fully play its protective role. While improving the design freedom of the side curtain airbag assembly 30, it provides better protection for the occupants.

[0111] In some embodiments, in order to trigger a collision signal, the side curtain airbag control method further includes:

[0112] Step S4: Obtain the collision acceleration.

[0113] Specifically, when a vehicle experiences a side impact of a certain degree, the body sensors acquire the collision acceleration and send it to the vehicle's body control module. In this case, the body sensors can be acceleration sensors.

[0114] Step S5: When the collision acceleration is higher than the set threshold, a collision signal is triggered.

[0115] Specifically, the vehicle body control module compares the obtained collision acceleration with a set threshold. If the collision acceleration exceeds the set threshold, a collision signal is triggered. Based on the collision signal, the vehicle body control module energizes the electromagnetic induction coil 104 of the electromagnetic component 10. The electromagnetic core 103 and the electromagnetic induction coil 104 of the electromagnetic component 10 generate magnetism. The magnetic poles of the electromagnetic component 10 are the same as those of the permanent magnet 20, generating magnetic repulsion to drive the A-pillar guard plate 40 to move away from the vehicle body 50, causing the A-pillar guard plate 40 to separate from the vehicle body 50. Simultaneously, based on the collision signal, the vehicle body control module activates the ignition element of the side curtain airbag assembly 30, which detonates the side curtain airbag assembly 30. The side curtain airbag 301 allows the side curtain airbag assembly 30 to deploy through the gap between the A-pillar guard plate 40 and the vehicle body 50. Since the A-pillar guard plate 40 is separated from the vehicle body 50, the side curtain airbag assembly 30 will not contact the A-pillar guard plate 40 during deployment. This prevents the side curtain airbag assembly 30 from catching on the A-pillar guard plate 40 during deployment, thus preventing the A-pillar guard plate 40 from breaking and causing flying debris, ensuring the safety of the A-pillar guard plate 40, and avoiding secondary injuries to the occupants. At the same time, it also ensures the safety of the side curtain airbag assembly 30, preventing it from being torn, allowing the side curtain airbag assembly 30 to fully play its protective role. This increases the design freedom of the side curtain airbag assembly 30 while providing better protection for the occupants.

[0116] Of course, in some other embodiments, the side curtain airbag control method further includes the following in order to trigger a collision signal:

[0117] Step S6: Obtain the impact force of the collision.

[0118] Specifically, when a vehicle experiences a side impact of a certain degree, the body sensors detect the impact force and transmit it to the vehicle's body control module. In this case, the body sensors can function as impact force sensors.

[0119] Step S7: When the impact force exceeds the set threshold, a collision signal is triggered.

[0120] Specifically, the vehicle body control module compares the obtained collision impact force with a set threshold. If the collision impact force is higher than the set threshold, a collision signal is triggered. Based on the collision signal, the vehicle body control module energizes the electromagnetic induction coil 104 of the electromagnetic component 10. The electromagnetic core 103 and the electromagnetic induction coil 104 of the electromagnetic component 10 generate magnetism. The magnetic poles of the electromagnetic component 10 are the same as the magnetic poles of the permanent magnet 20, generating magnetic repulsion to drive the A-pillar guard plate 40 to move away from the vehicle body 50, causing the A-pillar guard plate 40 to separate from the vehicle body 50. Simultaneously, based on the collision signal, the vehicle body control module activates the ignition element of the side curtain airbag assembly 30, which detonates the side curtain airbag assembly 30. The side curtain airbag 301 allows the side curtain airbag assembly 30 to deploy through the gap between the A-pillar guard plate 40 and the vehicle body 50. Since the A-pillar guard plate 40 is separated from the vehicle body 50, the side curtain airbag assembly 30 will not contact the A-pillar guard plate 40 during deployment. This prevents the side curtain airbag assembly 30 from catching on the A-pillar guard plate 40 during deployment, thus preventing the A-pillar guard plate 40 from breaking and causing flying debris, ensuring the safety of the A-pillar guard plate 40, and avoiding secondary injuries to the occupants. At the same time, it also ensures the safety of the side curtain airbag assembly 30, preventing it from being torn, allowing the side curtain airbag assembly 30 to fully play its protective role. This increases the design freedom of the side curtain airbag assembly 30 while providing better protection for the occupants.

[0121] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0122] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. If the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed in this application.

[0123] In the description of this invention, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0124] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0125] Although preferred embodiments of this application have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of this application.

[0126] Obviously, those skilled in the art can make various modifications and variations to this application without departing from the spirit and scope of this application. Therefore, if such modifications and variations fall within the scope of the claims of this application and their equivalents, this application also intends to include such modifications and variations.

Claims

1. A side curtain air device, characterized in that, include: Electromagnetic components; permanent magnet; Side curtain air assembly; The A-pillar guard plate can be detachably installed on the vehicle body; The electromagnetic component and the permanent magnet are respectively disposed on the vehicle body and the A-pillar guard plate. When the electromagnetic component is de-energized, the permanent magnet and the electromagnetic component can provide magnetic attraction to fix the A-pillar guard plate to the vehicle body, thereby forming a first chamber for accommodating the side curtain airbag assembly. When the electromagnetic component is energized, the permanent magnet and the electromagnetic component can provide magnetic repulsion to separate the A-pillar guard plate from the vehicle body, thereby creating a gap between the A-pillar guard plate and the vehicle body for the side curtain airbag assembly to deploy.

2. The side curtain air device according to claim 1, characterized in that, The A-pillar liner has a second chamber and a through hole communicating with the second chamber. The side curtain air device also includes: A limiting element is provided in the second cavity; The guide member has one end connected to the vehicle body and the other end passing through the through hole and connected to the limiting member; Wherein, along the axial direction of the guide member, the projected area of ​​the limiting member is greater than the area of ​​the through hole.

3. The side curtain air device according to claim 2, characterized in that, The A-pillar guard plate includes: The protective panel is detachably connected to the vehicle body; A support portion is provided on the protective plate portion to form the second chamber.

4. The side curtain air device according to claim 2, characterized in that, The side curtain air device also includes: An elastic element is provided on the guide element; When the electromagnetic component is de-energized, the elastic element is engaged within the through hole; when the electromagnetic component is energized, the elastic element is compressed and separated from the through hole.

5. The side curtain air device according to any one of claims 1-4, characterized in that, The electromagnetic component includes: Support members are provided on the vehicle body or the A-pillar guard plate; The base is provided on the support member; An electromagnet core is disposed on the base; An electromagnetic induction coil is wound around the circumference of the electromagnet core.

6. The side curtain air device according to claim 5, characterized in that, The base includes: Connector, which connects to the support member; A carrier is connected to the connecting member, and the electromagnet core is disposed on the carrier.

7. The side curtain air device according to claim 6, characterized in that, The connector includes: Limiting part; The connecting part is connected to the carrier at one end and passes through the support and is connected to the limiting part at the other end. The connecting part and the limiting part are set at an angle.

8. The side curtain air device according to any one of claims 1-4, characterized in that, A positioning groove is provided on the vehicle body or the A-pillar guard plate, and the permanent magnet is embedded in the positioning groove.

9. The side curtain air device according to claim 8, characterized in that, An adhesive layer is provided inside the positioning groove, and the permanent magnet is connected to the groove wall of the positioning groove through the adhesive layer.

10. The side curtain air device according to any one of claims 1-4, characterized in that, The vehicle body or the A-pillar guard plate is provided with a buckle, which engages with the permanent magnet.

11. The side curtain air device according to any one of claims 1-4, characterized in that, The side curtain air assembly includes: Side curtain airbags; Two pull cords are connected to the two ends of the side curtain airbag, and both pull cords are connected to the vehicle body; The ignition element is located inside the side air curtain; Specifically, when the side air curtain is deployed, the trajectory of the pull rope is offset from the trajectory of the A-pillar guard plate.

12. A vehicle, characterized in that, Includes the vehicle body and the side curtain air device as described in any one of claims 1-11.

13. A side curtain airbag control method, characterized in that, Applied to the side curtain air device according to any one of claims 1-11, the side curtain air control method includes: Obtain collision signal; Based on the collision signal, the electromagnetic component is energized, and the permanent magnet and the electromagnetic component drive the A-pillar guard plate to move away from the vehicle body; The side curtain air assembly is deployed based on the collision signal.

14. The side curtain airbag control method according to claim 13, characterized in that, The energizing of the electromagnetic component and the deployment of the side curtain air assembly are performed simultaneously.

15. The side curtain airbag control method according to claim 13, characterized in that, The side curtain air control method further includes: Obtain collision acceleration; The collision signal is triggered when the collision acceleration exceeds a set threshold.

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