Rear-mounted storage device, vehicle, and control method for vehicle

Abstract

The application discloses a rear-hung storage device, a vehicle and a control method of the vehicle. The rear-hung storage device comprises a box body and a box cover. The box body is used for being mounted on a tail door at the rear side of the vehicle. The box cover is arranged on the side of the box body away from the tail door. The box cover comprises an inner cover, which is arranged outside the box body and is in sealing cooperation with the box body to form a sealed storage space. An outer cover is arranged on the side of the inner cover away from the box body. At least part of the outer cover is spaced apart from the inner cover along an X direction to form a cavity. An airbag is mounted in the cavity. The airbag can be opened backward when being opened and can break through the outer cover to the outside of the cavity. By integrating the airbag in the rear-hung storage device, the safety of the vehicle when being rear-ended can be improved while the storage function is realized. The airbag is convenient to arrange, has higher universality, has low maintenance cost, and improves the economy and practicability.

Description

Technical Field

[0001] This application belongs to the field of vehicle safety technology, and in particular relates to a rear-mounted storage device, a vehicle, and a method for controlling the vehicle. Background Technology

[0002] While traditional external storage boxes offer extra storage space and are commonly installed at the rear of vehicles, there is a lack of designs incorporating passive safety technologies. With the advancement of autonomous driving technology, active safety technologies in automobiles are receiving increasing attention, prompting this invention to innovate rear-mounted storage devices. Summary of the Invention

[0003] This application aims to address at least one of the technical problems existing in the prior art. To this end, this application proposes a rear-mounted storage device, a vehicle, and a vehicle control method, which improves the safety of the vehicle when it is rear-ended, and is convenient to install, has higher versatility, lower maintenance costs, and improves economy and practicality.

[0004] In a first aspect, this application provides a rear-mounted storage device, including a body and a cover. The body is for mounting on the tailgate at the rear of a vehicle, and the cover is disposed on the side of the body opposite to the tailgate. The cover includes:

[0005] The inner lid is placed on the outside of the box and seals with the box to form a sealed storage space;

[0006] An outer cover is located on the side of the inner cover away from the box body, and at least a portion of the outer cover is spaced apart from the inner cover along the X direction to form a cavity;

[0007] The airbag is installed inside the cavity. When deployed, the airbag opens backward and bursts through the outer cover to the outside of the cavity.

[0008] According to the rear-mounted storage device of this application, by integrating an airbag into the rear-mounted storage device, it can not only serve the purpose of storage, but also improve the safety of the vehicle in the event of a rear-end collision. It is also convenient to install, has higher versatility, lower maintenance costs, and improves economy and practicality.

[0009] According to one embodiment of this application, the airbag is fixedly installed on the inner cover, and the outer side of the inner cover is provided with a groove, in which at least a portion of the airbag is accommodated.

[0010] According to one embodiment of this application, the sidewalls of the groove are provided with a reinforcing structure.

[0011] According to one embodiment of this application, the area where the airbag is projected on the outer cover is the tearing area, and the outer cover is provided with a weakening groove in the tearing area. When the airbag is deployed, the outer cover tears along the weakening groove.

[0012] According to one embodiment of this application, at least two weakening grooves are provided, the at least two weakening grooves are connected and extend in different directions.

[0013] According to one embodiment of this application, the shape of at least two weakening grooves connected together is an open shape with an opening on at least one side.

[0014] According to one embodiment of this application, the thickness of the area of ​​the outer cover corresponding to the airbag is thinner than that of other areas.

[0015] According to one embodiment of this application, the airbag includes:

[0016] airbags;

[0017] Multiple outriggers are distributed along the periphery of the airbag, and the airbag is fixed to the inner cover by the multiple outriggers.

[0018] Connector, for connecting to the airbag; connector for electrical connection to the vehicle's controller.

[0019] Secondly, this application provides a vehicle, including:

[0020] For example, the rear-mounted storage device in the first aspect is installed on the tailgate of the vehicle;

[0021] The controller, electrically connected to the airbag, is used to control the deployment of the airbag.

[0022] According to this application, the vehicle is equipped with a rear-mounted storage device as described in the first aspect. By integrating an airbag into the rear-mounted storage device, it not only serves as a storage function but also improves the vehicle's safety in the event of a rear-end collision. Furthermore, it is convenient to install, has higher versatility, lower maintenance costs, and improves economy and practicality. Additionally, the airbag can be actively deployed via a controller to achieve active safety.

[0023] Thirdly, this application provides a vehicle control method as described in the second aspect, the control method comprising:

[0024] Obtain the relative speed and distance between the vehicle and the vehicle behind it;

[0025] When the relative speed is greater than the speed threshold and the distance is less than the distance threshold, the airbag will be deployed.

[0026] According to the vehicle control method of this application, by obtaining the relative speed and distance between the vehicle and the following vehicle, the airbag is actively controlled to deploy, thereby achieving an active defense effect and improving safety performance.

[0027] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0028] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0029] Figure 1 This is a schematic diagram of the structure of the rear-mounted storage device provided in the embodiments of this application;

[0030] Figure 2 This is an exploded structural diagram of the rear-mounted storage device provided in the embodiments of this application;

[0031] Figure 3 This is a cross-sectional structural schematic diagram of the rear-mounted storage device provided in the embodiments of this application;

[0032] Figure 4 This is a schematic diagram of the assembly structure of the inner cover and the airbag provided in the embodiment of this application;

[0033] Figure 5 This is a schematic diagram of the structure of the outer cover provided in an embodiment of this application;

[0034] Figure 6 This is a schematic diagram of the structure of the airbag provided in the embodiments of this application;

[0035] Figure 7 This is a schematic diagram of the assembly structure of the vehicle door and the rear-mounted storage device provided in the embodiments of this application;

[0036] Figure 8 This is a flowchart illustrating the vehicle control method provided in an embodiment of this application.

[0037] Figure label:

[0038] 10. Rear-mounted storage device; 11. Box body; 12. Box lid; 121. Inner lid; 1211. Groove; 122. Outer lid; 1221. Break-through area; 1222. Weakening groove; 123. Airbag; 1231. Airbag; 1232. Outrigger; 1233. Connector;

[0039] 20. Tailgate. Detailed Implementation

[0040] The embodiments of this application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0041] Unless otherwise specified, the front-back direction in this application refers to the longitudinal direction of the vehicle, i.e., the X direction; the left-right direction refers to the lateral direction of the vehicle, i.e., the Y direction; and the up-down direction refers to the vertical direction of the vehicle, i.e., the Z direction.

[0042] External storage boxes are devices installed outside the vehicle to provide storage space for users. They are commonly found on the sides or rear of the vehicle, with the rear being the most common location. With the development of autonomous driving, automobiles are undergoing numerous changes, making active safety technologies increasingly important.

[0043] In the field of vehicle safety, in order to improve rear-end collision safety, the relevant technologies choose to place airbags in the rear bumper and other positions. On the one hand, the placement of airbags will greatly limit the shape of the bumper. On the other hand, the rear bumper is generally located low, and it is difficult to play an effective protective role when rear-ended by vehicles, especially tall vehicles such as trucks and lorries.

[0044] Based on the above considerations, this application provides a rear-mounted storage device, a vehicle, and a vehicle control method, which improves the safety of the vehicle when it is rear-ended, is easy to install, has higher versatility, lower maintenance costs, and improves economy and practicality.

[0045] The following is for reference. Figures 1-7 This application describes a rear-mounted storage device according to an embodiment of the present application.

[0046] Please see Figure 1 and Figure 2 The rear-mounted storage device 10 of this application embodiment includes a box body 11 and a box cover 12. The box body 11 is used to install on the tailgate at the rear of the vehicle, and the box cover 12 is disposed on the side of the box body 11 away from the tailgate.

[0047] The material, size, and shape of the housing 11 are not specifically limited. It can be made of high-strength composite materials, and its size and shape can be designed according to the tailgate contours of common vehicle models to ensure stable installation and maximize space utilization. The surface of the housing 11 is equipped with a fixing interface that matches the vehicle's tailgate, enabling quick and reliable connection through high-strength latches or quick-release mechanisms.

[0048] In one example, several bolts may be pre-embedded inside the housing 11. During installation, the pre-embedded bolts pass through the openings on the rear tailgate of the vehicle, and nuts are used to fasten them to the sheet metal inside the tailgate.

[0049] The lid 12 includes an inner lid 121, an outer lid 122, and an airbag 123.

[0050] The inner cover 121 is placed over the outside of the box body 11 and is sealed to the box body 11 to form a sealed storage space.

[0051] Understandably, the cabinet 11 has an opening on the side opposite the tailgate to facilitate access to items. The inner cover 121 fits snugly against the cabinet 11, and the edge of the inner cover 121 or the cabinet 11 may be equipped with a waterproof sealing ring to ensure the airtightness of the storage space and prevent rainwater and dust from entering. For example, the inner cover 121 and the cabinet 11 may be connected by a hinge to facilitate user access to items.

[0052] The outer cover 122 is located on the side of the inner cover 121 away from the housing 11, and at least a portion of the outer cover 122 is spaced from the inner cover 121 along the X direction to form a cavity.

[0053] The inner cover 121 and the outer cover 122 are fixedly connected by a plurality of screws distributed along the periphery. The outer cover 122 covers the inner cover 121 and maintains a certain distance from the inner cover 121, which forms a cavity for accommodating the airbag 123. Specifically, the outer cover 122 and the inner cover 121 are at least partially spaced along the X direction so that the airbag 123 can be positioned directly behind the vehicle, providing more effective protection when the airbag 123 deploys.

[0054] The airbag 123 is installed inside the cavity. When the airbag 123 is deployed, it can open backward and break through the outer cover 122 to the outside of the cavity.

[0055] The airbag 123 is positioned between the inner cover 121 and the outer cover 122. Through its layout design, it ensures that it can deploy evenly and powerfully along the rear of the vehicle upon activation, effectively absorbing the impact energy of a rear-end collision.

[0056] In some embodiments, the rear-mounted storage unit 10 may be equipped with collision sensors to effectively detect rear-side collision information and ensure that the airbag 123 reacts quickly. For example, an integrated sensor network may be distributed throughout the housing 11 and key parts of the cover, connected to the vehicle's central control unit (CCU), enabling real-time monitoring of rear-end collision events. Once a rear-end collision is detected, the CCU immediately sends a command to activate the gas generator, rapidly inflating the airbag 123.

[0057] The specific form of the gas generator for the airbag 123 is not limited. For example, the gas generator can employ advanced cold gas generation technology, capable of producing sufficient harmless gas within milliseconds to drive the airbag 123 to inflate rapidly, reducing damage to vehicle occupants and the vehicle body. Considering long-term durability and ease of maintenance, the airbag 123 and gas generator are designed as modular units, facilitating inspection and replacement.

[0058] The outer cover 122 can be made of a material with a certain degree of toughness and permeability so that it can be appropriately ruptured when the airbag 123 is inflated, releasing the airbag 1231 to the outside of the vehicle.

[0059] In actual implementation, it has the following advantages: 1. The rear-mounted storage device 10 not only serves a storage function but also acts as a buffer after a vehicle collision; 2. The rear-mounted storage device 10 protrudes from the vehicle body, making it essentially the first point of impact. Its flexible height and larger internal space allow for better flexibility in the placement of airbags 1231. The height of the cavity can be adjusted flexibly according to different vehicle models, further improving the flexibility and protective efficiency of airbag 1231 placement, especially for impacts from vehicles with greater height, where the protective effect is more pronounced; 3. The cover of the rear-mounted storage box uses... The double-layer structure ensures the rigidity, sealing, and appearance requirements of the airbag 123, which can utilize the space between the inner cover 121 and the outer cover 122 without taking up too much storage space; 4. The rear-mounted storage is relatively independent from other parts of the car. Compared with the airbag 123, if it were placed in the rear bumper or the tailgate, it would have less impact on other related environmental components; 5. The rear-mounted storage device 10 has better maintenance convenience. After a collision, the user does not need to take the car to a 4S shop for repair. It can be repaired or replaced separately, avoiding the user's car use trouble, lowering maintenance costs, and making it more economical and practical.

[0060] According to the embodiments of this application, the rear-mounted storage device 10 integrates an airbag 123, which not only serves as a storage device but also improves the safety of the vehicle when it is rear-ended. It is also convenient to install, has higher versatility, lower maintenance costs, and improves economy and practicality.

[0061] Please see Figure 2 , Figure 3 and Figure 4 According to some embodiments of this application, the airbag 123 can be fixedly installed on the inner cover 121, and the outer side of the inner cover 121 can be provided with a groove 1211, in which at least a portion of the airbag 123 can be accommodated.

[0062] The outer side of the inner cover 121, that is, the side of the inner cover 121 facing the outer cover 122, has a groove 1211 designed according to the shape and size of the airbag 123, so that the airbag 123 can be more stably installed in the groove 1211. The airbag 123 can be firmly fixed in the groove 1211 by means of high-toughness adhesives, mechanical clips, screws, etc. This design not only ensures the stable storage of the airbag 1231 in the non-activated state, but also simplifies the assembly process and improves the overall manufacturing efficiency and reliability.

[0063] The groove 1211 can be a partial forward recess of the inner cover 121, forming a groove 1211 on the outer surface of the inner cover 121; or it can be a partial rearward protrusion of the inner cover 121, forming a groove 1211 between at least two protruding structures. Both methods minimize the space occupied by the airbag 123 when it is installed. For example, the distance between the airbag 123 and the outer cover 122 can be less than or equal to 20 mm.

[0064] For example, the groove 1211 can be flared from the bottom to the opening, so that the structure of the groove 1211 ensures the stability of the airbag 1231 while also reserving sufficient space for the airbag 1231 to deploy quickly and unobstructed when activated. Furthermore, the opening of the groove 1211 faces rearward, effectively constraining the opening direction of the airbag 123 and ensuring that the airbag 123 opens rearward. The material of the airbag 1231 and the edge of the groove 1211 can be smoothly transitioned, avoiding unnecessary friction or resistance during the inflation of the airbag 1231, thereby ensuring rapid and complete deployment in an emergency to achieve the expected protective effect.

[0065] According to some embodiments of this application, the sidewall of the groove 1211 may be provided with a reinforcing structure.

[0066] The reinforcing structure of the sidewall of the groove 1211 can be achieved by local thickening, embedding metal or composite material support strips, or setting L-shaped or T-shaped stiffeners. These designs not only increase the rigidity of the groove 1211, but also effectively disperse the huge pressure generated on the inner cover 121 when the airbag 123 inflates, preventing the inner cover 121 from deforming and ensuring that the airbag 1231 deploys stably and reliably.

[0067] For example, high-strength, lightweight materials, such as carbon fiber reinforced plastic (CFRP) and aluminum alloys, are preferred for reinforcing the structure to ensure that while increasing strength, they do not place an excessive burden on the overall weight of the storage device. Advanced processes such as precision injection molding, casting, or machining are used to ensure structural accuracy and assembly quality.

[0068] By reinforcing the sidewalls of the groove 1211, the normal operating path of the airbag 1231 is ensured to remain unaffected even under extreme collision conditions, preventing airbag 123 from malfunctioning due to structural damage. Furthermore, the reinforced design extends the service life of the storage device, maintaining good structural stability, especially in environments with frequent opening and closing or prolonged outdoor use.

[0069] Please see Figure 5According to some embodiments of this application, the area where the airbag 123 is projected on the outer cover 122 is the tearing area 1221. The outer cover 122 is provided with a weakening groove 1222 in the tearing area 1221. When the airbag 123 is deployed, the outer cover 122 tears along the weakening groove 1222.

[0070] When the airbag 123 is deployed, it opens backward and impacts the outer cover 122. Therefore, the area where the projection of the airbag 123 on the outer cover 122 is located is defined as the tear zone 1221 of the outer cover 122. In order to enable the tear zone 1221 to tear quickly and orderly along a predetermined trajectory when the airbag 123 is inflated, a weakening groove 1222 can be provided in the tear zone 1221.

[0071] The weakening groove 1222 can be formed on the inner surface of the outer cover 122 by laser cutting or chemical etching. Its direction, depth, and width are precisely calculated to reduce the local strength of the area, so that it can crack in the direction of force when subjected to the inflation pressure of the airbag 123. For example, the weakening groove 1222 can be a straight line, a curve, or a grid, and the specific shape is customized according to the material properties of the outer cover 122 and the required fracture mode.

[0072] By designing the weakening groove 1222, it is ensured that the outer cover 122 tears along a pre-set path at the moment the airbag 123 deploys, avoiding secondary injuries or potential threats to the surrounding environment that may be caused by disordered rupture. This directional control technology improves the efficiency and safety of the airbag 1231 deployment, ensuring that it can provide timely and effective cushioning protection for vehicles behind.

[0073] Please see Figure 5 According to some embodiments of this application, at least two weakening grooves 1222 may be provided, and the at least two weakening grooves 1222 are connected and extend in different directions.

[0074] By setting at least two interconnected weakening grooves 1222 and arranging the weakening grooves 1222 in different directions, not only is the controllability of the outer cover 122 breaking enhanced, but also the airbag 123 can break through the outer cover 122 in a more precise and efficient manner and quickly deploy to cope with various collision angles.

[0075] At least two weakening grooves 1222 can be cross-connected or end-connected. Each weakening groove 1222 can be optimized based on stress analysis to ensure that it can break along a preset direction under the pressure generated by the expansion of the airbag 1231. The interconnection of at least two weakening grooves 1222 forms a more flexible and stable fracture network, ensuring that even in non-head-on collisions, the outer cover 122 tears in the direction most conducive to the release of the airbag 1231.

[0076] Furthermore, the design of multiple weakening grooves 1222 effectively disperses local stress concentration, avoiding accidental rupture caused by excessive stress at a single point, and improving the smoothness and safety of the entire rupture process. The extension strategy in different directions ensures that the smoothest release path can be found regardless of how the inflation force of the airbag 1231 is distributed.

[0077] The specific number of weakening grooves 1222 is not limited; it can be two, three, four, or more, depending on the specific requirements.

[0078] The shape of the weakening groove 1222 can also match the appearance design, serving an aesthetic purpose when the airbag 123 is not deployed.

[0079] Please see Figure 5 According to some embodiments of this application, the shape of at least two weakening grooves 1222 connected together is an open shape with an opening on at least one side.

[0080] Each weakening groove 1222 can be designed in a semi-circular, elliptical, or other non-linear contour at the connection point. These curves or non-linear edges, after being connected, form an opening on one or more sides, acting as a natural guiding channel. This allows the inflation force of the airbag 1231 to be concentrated and directed to the weakest opening, achieving rapid penetration. Through deformation guidance, the material of the outer cover 122 is promoted to separate orderly along the weakening groove 1222, improving the overall safety performance.

[0081] Furthermore, the open shape ensures the integrity of the outer cover 122. That is, each part of the broken area 1221 is connected to the area of ​​the outer cover 122 except for the broken area 1221. After the outer cover 122 is torn open along the weakening groove 1222, the material of the broken area 1221 is still connected to the outer cover 122, which prevents the fragments of the broken area 1221 from flying and causing harm to personnel and the surrounding environment, thus improving overall safety.

[0082] For example, three weakening grooves 1222 can be provided, and the three weakening grooves 1222 are connected in sequence to form a shape with the opening facing downward. When the airbag 123 is deployed, the three weakening grooves 1222 are torn apart. Because the lower end of the breaking area 1221 remains connected, the cover of the breaking area 1221 is folded down and opened so that the airbag 123 can be ejected.

[0083] According to some embodiments of this application, the thickness of the area of ​​the outer cover 122 corresponding to the airbag 123 is thinner than that of other areas.

[0084] By optimizing the local structure to facilitate the rapid and smooth deployment of the airbag 123, this thinning process effectively reduces the force required for the airbag 1231 to penetrate the outer cover 122 without sacrificing the overall structural stability of the outer cover 122, thus accelerating emergency response time. In one example, a reinforced frame or internal skeleton structure can be used to ensure that the thinned area still maintains sufficient strength to withstand wear and minor impacts during daily use, while also being able to quickly respond to the airbag 1231's inflation needs in critical moments.

[0085] In some embodiments, the outer cover 122 may employ a layered or gradient material structure near the breaking area 1221, with an outer hard layer having a certain degree of toughness and an inner relatively soft weakening layer. This design further promotes controllable cracking along the weakening groove 1222, while maintaining the integrity and aesthetic appearance of the rest of the outer cover 122.

[0086] Please see Figure 6 According to some embodiments of this application, the airbag 123 may include an airbag 1231, a plurality of outriggers 1232, and a connector 1233. The plurality of outriggers 1232 are distributed along the periphery of the airbag 1231, and the airbag 1231 can be fixed to the inner cover 121 by the plurality of outriggers 1232; the connector 1233 can be connected to the airbag 1231, and the connector 1233 is used for electrical connection with the vehicle's controller.

[0087] The airbag 1231 can be made of high-strength nylon or similar high-temperature resistant and tear-resistant materials, and is designed to inflate rapidly in a very short time to form a protective barrier. Its shape and size are precisely calculated to maximize coverage and protection of the rear area of ​​the rear-mounted storage device 10.

[0088] Multiple support legs 1232 constitute a support structure for the airbag 1231. The central part of the support structure is the core load-bearing structure, and multiple support legs 1232 extend outwards from all sides, evenly distributed around the airbag 1231, ensuring that the airbag 1231 is securely installed on the inner cover 121. For example, the support legs 1232 can be fixedly installed on the inner cover 121 using bolts or clips. This ensures the accurate positioning of the airbag 1231 without hindering its instantaneous deployment.

[0089] Connector 1233, acting as a bridge between the airbag 1231 system and the vehicle's electronic control unit (ECU), features a waterproof and shockproof design to ensure stable signal transmission even in harsh environments. Once the vehicle sensors detect a collision event, the ECU immediately activates the signal sent by connector 1233, triggering the gas generator to instantly inflate the airbag 1231. In one example, connector 1233 can support intelligent diagnostics, facilitating regular checks on the airbag 1231 system's operational status and improving maintenance efficiency.

[0090] Please see Figure 7 This application also provides a vehicle.

[0091] The vehicle includes a rear-mounted storage device 10 and a controller as described in any of the above technical solutions. The rear-mounted storage device 10 is installed on the tailgate of the vehicle. The controller is electrically connected to the airbag 123 and is used to control the deployment of the airbag 123.

[0092] It should be noted that, since the vehicle in this application embodiment includes the rear-mounted storage device 10 as described in any of the above technical solutions, it has the technical features and beneficial effects of the rear-mounted storage device 10 as described in any of the above technical solutions, which will not be repeated here.

[0093] The vehicle's built-in controller is directly electrically connected to the airbag 123 in the rear-mounted storage device 10. This controller has advanced algorithm processing capabilities and can monitor the vehicle's status and changes in the surrounding environment in real time. In the event of a collision that may threaten the safety of the rear of the vehicle, the controller will immediately activate the preset safety response program, precisely controlling the rapid and orderly deployment of the airbag 123 to buffer the impact force and reduce damage at the first moment.

[0094] According to the embodiments of this application, the vehicle is equipped with a rear-mounted storage device 10 as in the first aspect. By integrating an airbag 123 into the rear-mounted storage device 10, it can not only serve as a storage device, but also improve the safety of the vehicle when it is rear-ended. It is also convenient to install, has higher versatility, lower maintenance costs, and improves economy and practicality. Furthermore, the airbag 123 can be actively deployed by a controller to achieve active safety.

[0095] Please see Figure 8 This application also provides a vehicle control method according to the above-described technical solution.

[0096] The control method includes steps 30 and 40.

[0097] Step 30: Obtain the relative speed and distance between the vehicle and the vehicle behind it;

[0098] Step 40: When the relative speed is greater than the speed threshold and the distance is less than the distance threshold, control the airbags 123 to deploy.

[0099] In step 30, radar sensors, cameras, or other advanced sensing devices mounted on the rear of the vehicle can be used to continuously monitor and acquire the relative speed and actual distance to the following vehicle. This data is fed back to the vehicle's central processing unit or a dedicated safety management system in real time.

[0100] In step 40, the system's built-in algorithm dynamically calculates the probability of a collision based on the received speed and distance data. Reasonable speed and distance thresholds are set as criteria for judging emergency situations. When the relative speed exceeds the preset speed threshold and the distance between the two vehicles is less than the distance threshold, the system immediately determines that there is a high risk of collision and triggers a warning mechanism. For example, the speed threshold can be 30 km / h, 40 km / h, 50 km / h, 60 km / h, or other speed values ​​between 30 km / h and 60 km / h, without specific limitations; the distance threshold can be 0.5 m, 1 m, 1.5 m, 2 m, or other distance values ​​between 0.5 m and 2 m, without specific limitations.

[0101] Based on the above risk assessment results, the controller sends a command to the airbag 123 in the rear-mounted storage device 10, and the inflation process is automatically started without driver intervention, ensuring that the airbag 123 is ready before the actual collision occurs, so as to minimize the potential impact of the collision.

[0102] According to the control method provided in the embodiments of this application, by acquiring the relative speed and distance between the vehicle and the following vehicle, the airbags 123 are actively controlled to open, thereby achieving an active defense effect and improving safety performance.

[0103] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0104] 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", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are 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, and therefore should not be construed as a limitation of this application.

[0105] In the description of this application, "first feature" and "second feature" may include one or more of the features.

[0106] In the description of this application, "multiple" means two or more.

[0107] In the description of this application, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or the first and second features being in contact through another feature between them.

[0108] In the description of this application, the terms "above," "over," and "on top" for the first feature and the second feature include the first feature being directly above or diagonally above the second feature, or simply indicate that the first feature is at a higher horizontal level than the second feature.

[0109] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "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.

[0110] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A rear-mounted storage device, characterized in that, The package includes a body and a lid. The body is for mounting on a tailgate at the rear of a vehicle, and the lid is located on the side of the body opposite to the tailgate. The lid includes: An inner cover is provided on the outside of the box and seals with the box to form a sealed storage space; An outer cover is disposed on the side of the inner cover opposite to the housing, and at least a portion of the outer cover is spaced from the inner cover along the X direction to form a cavity; An airbag is installed inside the cavity. When deployed, the airbag can open backward and burst through the outer cover to the outside of the cavity. The airbag is fixedly installed on the inner cover. The outer side of the inner cover is provided with a groove, and at least a portion of the airbag is accommodated in the groove. The groove is flared from the bottom to the opening.

2. The rear-mounted storage device according to claim 1, characterized in that, The sidewalls of the groove are provided with a reinforcing structure.

3. The rear-mounted storage device according to claim 1, characterized in that, The area where the airbag is projected onto the outer cover is the tear zone. The outer cover has a weakening groove in the tear zone. When the airbag is deployed, the outer cover tears along the weakening groove.

4. The rear-mounted storage device according to claim 3, characterized in that, The weakening groove is provided in at least two, and the at least two weakening grooves are connected and extend in different directions.

5. The rear-mounted storage device according to claim 4, characterized in that, The shape of at least two of the weakening grooves connected together is an open shape with an opening on at least one side.

6. The rear-mounted storage device according to claim 3, characterized in that, The outer cover is thinner in the area corresponding to the airbag than in other areas.

7. The rear-mounted storage device according to any one of claims 1-6, characterized in that, The airbag includes: airbags; Multiple support legs are distributed along the periphery of the airbag, and the airbag is fixed to the inner cover by the multiple support legs; A connector, which connects to the airbag, is used for electrical connection to the vehicle's controller.

8. A vehicle, characterized in that, include: The rear-mounted storage device as described in any one of claims 1-7 is installed on the tailgate of the vehicle; The controller is electrically connected to the airbag and is used to control the deployment of the airbag.

9. A vehicle control method as described in claim 8, characterized in that, The control method includes: Obtain the relative speed and distance between the vehicle and the vehicle behind it; When the relative speed is greater than a speed threshold and the distance is less than a distance threshold, the airbag is controlled to deploy.

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