Child seat safety airbag control system, control method and medium

Abstract

The invention relates to the technical field of child seats, in particular to a child seat safety airbag control system and method and a medium. Comprising a state sensing module, a collision recognition module and an air bag execution module, the state sensing module is used for recognizing whether a child sits on a child seat or not, and if yes, the height, weight and posture of the child are obtained; the collision recognition module is used for recognizing whether the vehicle collides or not, and if yes, the collision type and the collision strength are obtained; the air bag execution module controls the safety air bag based on the state of a child on the child seat, the collision type and the collision strength after collision occurs. According to the control system, the child seat safety air bag can be controlled, the adaptability of the child seat safety air bag and children of different body types is improved, the protection performance of the child is enhanced, and secondary damage to the child during collision is effectively avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of child seats, and in particular to a child seat airbag control system, a control method and a medium. Background Art

[0002] A child seat, a seating device used in a vehicle, comprises a seat body and at least one safety restraint system. The seat body comprises a seat surface and a back support structure, while the safety restraint system secures and protects the child in the seat. The seat body and safety restraint system are designed to provide effective restraint and support in the event of a vehicle collision or sudden stop, reducing the risk of injury to the child.

[0003] Child seat airbags are innovative safety devices designed to provide additional protection and reduce the risk of injury to child passengers during a vehicle collision or sudden stop. They rapidly inflate and deploy, filling the space in front of the child and minimizing injuries to the child's head, neck, and chest during a collision.

[0004] When a vehicle collides or stops suddenly, it is impossible to determine whether the child seat and the child in the seat are in a reasonable state in the shortest possible time. If the child seat is abnormal or the child in the seat is not in a reasonable state, directly deploying the airbag will often cause unnecessary harm to the child.

[0005] To address this issue, a prior art method proposes an airbag control method for a vehicle-mounted child seat. This method obtains status information of at least one safety auxiliary device in response to the vehicle starting. Based on the status information, the method determines the operating status of the child seat. If the child seat is operating normally, the method monitors the vehicle's driving conditions in real time and deploys the child seat's airbag if the vehicle collides or its speed drops to zero within a preset time. This control method identifies the operating status of the child seat and determines whether to deploy the child seat's airbag based on the status. This method can avoid injuries caused by airbag deployment when the child seat is in an abnormal state, particularly when the child seated is in an abnormal state. However, this control method also has some problems. Specifically, it oversimplifies its approach to determining abnormal child seat status, primarily basing its judgment on whether the child seat is properly installed, whether it is occupied, and whether the child's height meets the standard. In practice, child seat airbag control must consider not only the child's height, but also their weight and posture. Furthermore, the type of collision is crucial, as responses to head-on, side, and rear-end collisions are inherently different. Current child seat airbag control methods are rather one-sided and suffer from numerous oversights. Summary of the Invention

[0006] The purpose of this application is to address the deficiencies of the above-mentioned background technology and to provide a child seat airbag control system, control method and medium.

[0007] The technical solution of this application is: a child seat airbag control system, comprising: A state sensing module is used to identify whether there is a child sitting in the child seat, and if so, obtain the height, weight, and posture of the child; A collision recognition module is used to identify whether the vehicle has collided and, if so, to obtain the type and intensity of the collision; An airbag execution module controls the airbag after a collision occurs based on the status of the child in the child seat, the type of collision, and the intensity of the collision.

[0008] According to a child seat airbag control system provided by the present application, the state perception module includes: A weight sensor is provided on the seat cushion of the child seat and is used to identify whether a child is sitting in the child seat and to collect the weight of the child if a child is sitting in the child seat; The camera is installed on the ceiling above the second row of the dome light assembly or the second row of the ceiling to obtain the height and posture of the child sitting in the child seat.

[0009] According to a child seat airbag control system provided by the present application, the airbag execution module includes: The first execution module controls the airbag not to inflate when detecting that no child is sitting in the child seat after a collision occurs.

[0010] According to a child seat airbag control system provided by the present application, the airbag execution module includes: The second execution module controls the airbag not to inflate when detecting that a child is seated in the child seat after a low-speed collision occurs in the vehicle.

[0011] According to a child seat airbag control system provided by the present application, the airbag execution module includes: The third execution module controls the airbag not to inflate when it detects that a child is sitting in the child seat and the weight of the child does not exceed a first weight threshold when the vehicle collides at a medium or high speed and the collision type is a rear-end collision, and controls the airbag to inflate when it detects that a child is sitting in the child seat and the weight of the child exceeds the first weight threshold.

[0012] According to a child seat airbag control system provided by the present application, the airbag execution module includes: The fourth execution module controls the inflation of the airbag when it is detected that a child is sitting in the child seat when the vehicle is involved in a medium-to-high speed collision and the collision type is not a rear-end collision.

[0013] According to a child seat airbag control system provided by the present application, the airbag execution module includes: a threshold acquisition module, configured to obtain a trigger threshold for a scenario in which a collision occurs and a child is detected to be seated in the child seat based on the weight of the child and the type of collision; a triggering judgment module, the triggering judgment module being configured to compare the collision intensity with a triggering threshold and to determine whether to trigger the airbag when the collision intensity is not less than the triggering threshold, and to determine whether to not trigger the airbag when the collision intensity is less than the triggering threshold; a trigger execution module, wherein the trigger execution module inflates the airbag when it is determined that the airbag is triggered, and does not inflate the airbag when it is determined that the airbag is not triggered; The trigger threshold is the ultimate collision intensity at which the child does not suffer injury when a standard test of collision type, child weight and collision intensity is performed.

[0014] According to a child seat airbag control system provided by the present application, the airbag execution module includes: An airbag pressure control module calculates an airbag inflation pressure based on the weight of a child seated in the child seat and the intensity of a collision when performing airbag inflation, and inflates the airbag according to the calculated inflation pressure.

[0015] The present application also relates to a child seat airbag control method, which is used to control the above-mentioned child seat airbag control system, including: Identify whether there is a child in the child seat, and if so, obtain the child's height, weight, and posture; Identify whether the vehicle has collided, and if so, obtain the collision type and collision intensity; After a collision occurs, the airbag is controlled based on the status of the child in the child seat, the type of collision, and the intensity of the collision.

[0016] The present application also relates to a non-transitory computer-readable storage medium having a computer program stored thereon. When the computer program is executed by a processor, the steps of the above-mentioned child seat airbag control method are implemented.

[0017] The advantages of this application are as follows: 1. The child seat airbag control system of this application analyzes and determines the child's weight, collision intensity, and collision type, and can implement different airbag control modes for children of different body sizes, thereby solving the problem of poor adaptability of traditional airbag systems to children, reducing the false triggering rate and the risk of secondary injuries, and improving protection capabilities; 2. This application can quickly obtain the weight of the child in the child seat through the weight sensor to determine whether there is a child sitting. The camera can identify the child's height and posture to facilitate subsequent judgment of whether the child is sitting correctly and avoid injuries in the event of improper sitting. 3. This application does not inflate the airbag when there is no child in the child seat, that is, the airbag will not be triggered, thus avoiding the problem of false triggering when there is no child, and improving the safety of the child seat airbag; 4. In the event of a low-speed collision, the energy intensity of the low-speed collision is low, and the risk of injury to the occupants is small. Therefore, there is no need to trigger the airbag, thus avoiding unnecessary injuries and improving the safety of the child seat; 5. In the event of a medium-to-high-speed collision, the child seat of this application is rear-ended (a common rear-end collision condition). The vehicle first accelerates and then decelerates (the occupant first leans back and then leans forward). Under such conditions, the airbag deployment has limited protective effect on the occupants. To avoid injury to infants and young children (who have fragile bones), the airbag is not triggered, thereby improving the safety of children in the child seat. 6. In the event of a medium-to-high-speed collision, which is not a rear-end collision, the collision energy is high, and the Anqun airbag needs to be triggered in time to protect the child in the child seat and prevent the child from being injured during the collision. 7. This application pre-calibrates the trigger thresholds for the weight of the child and the type of collision. In subsequent practical applications, the calibrated trigger thresholds can be used to determine whether the airbag needs to be triggered. This allows for more precise control and targeted control for different modes, further improving safety. 8. When the airbag is inflated, the airbag inflation pressure is controlled according to the weight of the child and the intensity of the collision, which is more adaptable and provides better protection for children of different body shapes and different collision intensities. 9. This application also provides a control method. This control method is very simple and can be used to control the airbag on the child seat. It can be adjusted according to the weight of the child, the type of collision, and the intensity of the collision, thereby providing better protection for the child and effectively avoiding the occurrence of secondary injuries. 10. The present application also provides a storage medium, which integrates the above-mentioned control method into a computer program and stores it in the automobile control system, so as to intelligently and automatically control the airbag on the child seat, thereby greatly improving the safety of children riding in the child seat.

[0018] The control system of the present application can control the child seat airbag, improves the adaptability of the child seat airbag to children of different body sizes, enhances the protection for the children in the seat, and effectively avoids secondary injuries to the children in the seat in the event of a collision, which has great promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 : Schematic diagram of the child seat airbag control system of this application; Figure 2 : Schematic diagram of the airbag control execution mode of this application; Figure 3 : Schematic diagram of obtaining the airbag triggering threshold of this application. DETAILED DESCRIPTION

[0020] The embodiments of the present application are described in detail below, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0021] In the description of this application, it should be understood that the terms "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and 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, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0022] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0023] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0024] This application relates to a child seat airbag control system. The control system is used to control the airbag in a child seat. Its purpose is to protect the child in the child seat by rapidly inflating the airbag in the event of a collision, thereby preventing the child in the child seat from colliding with other objects in the vehicle and causing injury. The control system identifies the status of the child in the child seat and makes targeted adjustments to the airbag based on the collision type and intensity. This system can adapt to the safety needs of children of different body sizes, effectively preventing secondary injuries to children in the child seat after a collision, and enhancing the protective power of the child seat for the child.

[0025] Specifically, a child seat airbag control system of the present application includes a state sensing module, a collision recognition module and an airbag execution module. The state sensing module is used to identify whether there is a child sitting in the child seat, and if so, obtain the height, weight and posture of the child; the collision recognition module is used to identify whether the vehicle collides, and if so, obtain the collision type and collision intensity; the airbag execution module controls the airbag based on the state of the child in the child seat and the collision type and collision intensity after the collision occurs.

[0026] The status perception module is mainly used to identify the status of children in child seats, including whether there is a child sitting in the child seat. If there is a child sitting in the child seat, the weight, height and posture of the child are identified. Identifying the child's height makes it convenient to adjust the inflation of the corresponding airbag according to the child's height. Identifying the child's posture is mainly used to determine whether the current child is sitting correctly in the child seat. If the child is not sitting in the child seat in the correct way, the triggering of the airbag may have less protection for the child or no protection. Therefore, in this case, the adult in the car can be prompted by voice or display on the central control screen to prompt them to make adjustments to the child.

[0027] like Figure 1 As shown, the state perception module of the present application mainly includes a weight sensor and a camera. The weight sensor is arranged at the seat cushion position of the child seat to identify whether there is a child sitting in the child seat and to collect the weight of the child when there is a child sitting in the child seat; the camera is installed at the ceiling light assembly or the ceiling above the second row to obtain the height and posture of the child sitting in the child seat.

[0028] In actual applications, other signal acquisition devices are also included, such as pressure sensors, which are used in conjunction with weight sensors to determine whether a child is sitting in a child seat; and seatbelt buckle sensors, which are used to determine whether the child seat's seatbelt buckle is properly engaged. The seatbelt buckle sensor is a sensor that determines whether the child seat is correctly installed. The control system in this application assumes that the child seat is correctly installed, and only performs subsequent operations. If the child seat is not installed correctly, a reminder can be provided through voice or display on the central control screen to ensure that the child seat is correctly installed.

[0029] The collision recognition module includes frontal, side, and rear impact sensors. The frontal sensor is located on the front anti-collision beam, the side sensor is located on the B / C pillars, and the rear impact sensor is located on the rear anti-collision beam. When a collision occurs, the corresponding collision sensor immediately detects the corresponding collision signal and transmits it to the control system. The control system then determines whether the collision was frontal, side, or rear-end. The collision sensor also captures the collision energy, which is essentially the change in acceleration at the time of the collision. By collecting this signal, the collision intensity can be determined.

[0030] The airbag execution module controls the airbag on the child seat (the airbag in this application refers to the airbag on the child seat) according to the child's status, collision type and collision intensity. The control mode of the airbag is different in different scenarios.

[0031] In actual application, the operation and control are carried out according to the following methods: S1. Identify whether there is a child sitting in the child seat. If so, obtain the child's height, weight, and posture. S2. Identify whether the vehicle has collided, and if so, obtain the collision type and collision intensity; S3. After a collision occurs, the airbag is controlled based on the status of the child in the child seat, the type of collision, and the intensity of the collision.

[0032] The control system of this application also has self-test and fault protection functions. By monitoring the health status of sensors in real time, if a key sensor (such as a weight sensor) fails, it switches to conservative mode (triggered by the lowest weight level by default).

[0033] In some embodiments of the present application, this embodiment optimizes the above-mentioned airbag execution module, which includes a first execution module. The first execution module controls the airbag not to inflate when it is detected that there is no child sitting in the child seat after a collision occurs.

[0034] That is to say, when no child is detected in the child seat, there is naturally no protection for the child, so there is no need to trigger the airbag on the child seat. The triggering of the airbag in this embodiment is to quickly inflate the airbag.

[0035] Such operation can effectively avoid the accidental triggering of the airbag and avoid damage to the child seat airbag.

[0036] In addition, the airbag execution module also includes a second execution module, which controls the airbag not to inflate when it is detected that a child is sitting in the child seat after the vehicle has a low-speed collision.

[0037] In a low-speed collision, the collision energy is very small and will not cause any injury to the child in the child seat. If the airbag is triggered directly at this time, it may not only fail to protect the child but also cause injury to the child. Therefore, in this situation, the airbag is not triggered. This not only avoids injury to the child, but also prevents damage to the airbag.

[0038] Furthermore, the airbag execution module of this embodiment also includes a third execution module, which controls the airbag not to inflate when it detects that there is a child sitting in the child seat and the weight of the child does not exceed a first weight threshold (the first weight threshold of this embodiment is 20 kg, but is not limited to this value in actual application and can be set according to needs) when the vehicle collides at a medium or high speed and the collision type is a rear-end collision, and controls the airbag to inflate when it detects that there is a child sitting in the child seat and the weight of the child exceeds the first weight threshold.

[0039] When a car collides from behind, according to the normal posture of children sitting in child seats, for smaller children, the child seat can provide sufficient support for the child's back. The neck of smaller infants and young children will not have a large displacement, so there is no need to trigger the airbag, avoiding the triggering of the airbag and causing secondary injuries to the children.

[0040] However, for larger children, when a medium-to-high-speed collision occurs, the rear impact will cause a large displacement of the child's neck, and the airbag needs to be triggered quickly to protect the child and avoid impact injuries.

[0041] Secondly, the airbag execution module of this embodiment also includes a fourth execution module, which controls the inflation of the airbag when it is detected that a child is sitting in the child seat when the vehicle encounters a medium-to-high speed collision and the collision type is not a rear-end collision.

[0042] When the child sitting in the child seat is large, regardless of the type of collision, the airbag needs to be deployed in time to protect the child from movement caused by inertia and avoid injuries caused by the child hitting other parts of the car during the collision.

[0043] In this mode, if Figure 2 As shown, the actual control method is as follows: Identify whether there is a child in the child seat, and if so, obtain the child's height, weight, and posture; Identify whether the vehicle has collided, and if so, obtain the collision type and collision intensity; After a collision, if it is detected that there is no child in the child seat, the airbag is controlled not to inflate; after a low-speed collision, the airbag is controlled not to inflate when a child is detected to be in the child seat; when the vehicle collides at a medium or high speed and the collision type is a rear-end collision, the airbag is controlled not to inflate when it is detected that there is a child in the child seat and the weight of the child does not exceed a first weight threshold; when it is detected that there is a child in the child seat and the weight of the child exceeds the first weight threshold, the airbag is controlled to inflate; when the vehicle collides at a medium or high speed and the collision type is not a rear-end collision, the airbag is controlled to inflate when a child is detected to be in the child seat.

[0044] In this embodiment, a low-speed collision refers to a collision acceleration less than 9.8 m / s 2 The collision of medium and high speed in this embodiment refers to the collision acceleration of not less than 9.8m / s 2 The actual application is not limited to the above values ​​and can be set according to needs.

[0045] In another embodiment of the present application, this embodiment optimizes the above-mentioned airbag execution module and proposes another airbag execution module. The airbag execution module of this embodiment includes a threshold acquisition module, a trigger judgment module and a trigger execution module. The threshold acquisition module is used to obtain the trigger threshold in this scenario based on the weight of the child and the collision type when a collision occurs and a child is detected in the child seat; the trigger judgment module is used to compare the collision intensity with the trigger threshold, and make a judgment to trigger the airbag when the collision intensity is not less than the trigger threshold, and make a judgment not to trigger the airbag when the collision intensity is less than the trigger threshold; the trigger execution module inflates the airbag when it is judged that the airbag is triggered, and does not inflate the airbag when it is judged that the airbag is not triggered; the trigger threshold is the limit collision intensity at which the child is not injured when the collision type, child weight and collision intensity standard test are performed.

[0046] This embodiment is a precise control of the airbag, that is, control for different scenarios. Standard tests are carried out during the production of child seats, and test analysis is carried out for different scenarios. A standard test of the weight and collision intensity of children (dummy) under different collision types is constructed, and the injuries of children (dummy) during the standard test are recorded. By analyzing the injuries, the trigger threshold for injuries to children of this weight under this collision type is determined. That is, it is considered that when a child of this weight does not suffer injuries under this collision type, the limit collision intensity is considered. Once the collision intensity exceeds this trigger threshold, the child will be injured. By calibrating the trigger threshold, the collision intensity can be collected and compared with the corresponding trigger threshold during actual use. Once the collision intensity exceeds the corresponding trigger threshold, the airbag needs to be triggered to protect the child and prevent him from being injured.

[0047] This control mode can provide targeted protection for children of different weights and different collision types, without causing false triggering of airbags or child injuries. Figure 3 As shown, this embodiment divides the riding children into three levels: not exceeding the second weight threshold (the second weight threshold of this embodiment is 10 kg, but is not limited to this value in actual application and can be set according to needs), between the second weight threshold and the first weight threshold, and not less than the first weight threshold. Then, head-on collision, side collision, rollover and rear collision tests are carried out for the three weight ranges. For the case where the weight is less than the first weight threshold, the airbag will not be triggered by the rear collision. The specific reasons have been explained above and will not be repeated here. Therefore, for the case where the weight is lower than the first weight threshold, only the standard tests of head-on collision, side collision and rollover are carried out. For the case where the weight is not less than the first weight threshold, the standard tests of rear collision, head-on collision, side collision and rollover are required. Each standard test corresponds to a triggering threshold.

[0048] The calibrated trigger threshold is then stored in the control system. When used in practice, the control system obtains the weight of the child in the child seat and the type of collision, and then selects the corresponding trigger threshold to determine whether to trigger the airbag.

[0049] In this mode, the actual control method is as follows: Identify whether there is a child in the child seat, and if so, obtain the child's height, weight, and posture; Identify whether the vehicle has collided, and if so, obtain the collision type and collision intensity; After a collision occurs, if it is detected that there is no child in the child seat, the airbag is controlled not to inflate; when it is detected that a child is sitting in the child seat after the vehicle has a low-speed collision, the weight of the child and the type of collision are collected, and the corresponding trigger threshold is obtained based on the weight of the child and the type of collision. The collision intensity is compared with the trigger threshold. If the collision intensity is not less than the trigger threshold, the airbag is triggered; if the collision intensity is less than the trigger threshold, the airbag is not triggered.

[0050] In a preferred embodiment of the present application, this embodiment further optimizes the aforementioned airbag actuation module. While the aforementioned description focused on whether the airbag was triggered, this embodiment further explains how the airbag is activated once it has been triggered. Specifically, the airbag actuation module of this embodiment includes an airbag pressure control module. During airbag inflation, the airbag pressure control module calculates the airbag inflation pressure based on the weight of the child in the child seat and the impact intensity, and inflates the airbag according to the calculated inflation pressure.

[0051] This embodiment constructs a formula for calculating the airbag inflation pressure, as shown below: P=K1×W+K2×G in: P - the inflation pressure at which the airbag is triggered; K1 ——The weight coefficient related to the child's weight, obtained by calibration; W - child's weight; K2 ——The weight coefficient related to the collision intensity, obtained by calibration; G ——Collision intensity: The collision intensity of this embodiment is actually the peak acceleration of the collision during the collision process.

[0052] When it is determined that the airbag is about to be triggered, the inflation pressure of the airbag can be calculated based on the above formula, and the opening of the proportional valve for inflating the airbag can be controlled to achieve inflation of the airbag.

[0053] An embodiment of the present invention further provides a non-transitory computer-readable storage medium, which stores a computer program. The computer program includes program instructions, which implement the various steps of the method described in the present invention when executed by a processor, and will not be repeated here.

[0054] The computer-readable storage medium may be the data transmission device provided in any of the aforementioned embodiments or an internal storage unit of a computer device, such as a hard disk or memory of the computer device. The computer-readable storage medium may also be an external storage device of the computer device, such as a plug-in hard disk, a smart media card (SMC), a secure digital (SD) card, a flash card, etc., provided on the computer device.

[0055] Furthermore, the computer-readable storage medium may include both an internal storage unit of the computer device and an external storage device. The computer-readable storage medium is used to store the computer program and other programs and data required by the computer device. The computer-readable storage medium may also be used to temporarily store data to be output or that has been output.

[0056] Those skilled in the art will appreciate that embodiments of the present invention may be provided as methods, systems, or computer program products. Thus, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to magnetic disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0057] The present invention is described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowcharts and / or block diagrams, as well as combinations of processes and / or blocks in the flowcharts and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowcharts and / or block diagrams. Figure 1 a process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0058] These computer program instructions may also be stored in a computer readable memory that can direct a computer or other programmable data processing device to work in a specific manner, so that the instructions stored in the computer readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 a process or multiple processes and / or boxes Figure 1 The function specified in one or more boxes.

[0059] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operational steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing the instructions executed on the computer or other programmable device for implementing the process. Figure 1 a process or multiple processes and / or boxes Figure 1 A step that specifies a function in one or more boxes.

[0060] An embodiment of the present invention further provides a computer program product, including a computer program / instructions, which, when executed by a processor, implement the steps of the child seat airbag control method. Matters not described in detail in this specification are prior art known to those skilled in the art.

[0061] The above shows and describes the basic principles, main features, and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present application. Various changes and improvements may be made to the present application without departing from the spirit and scope of the present application. Such changes and improvements are intended to fall within the scope of the present application. The scope of protection claimed in this application is defined by the appended claims and their equivalents.

Claims

1. A child seat airbag control system, characterized by: include, A state sensing module is used to identify whether there is a child sitting in the child seat, and if so, obtain the height, weight, and posture of the child; A collision recognition module is used to identify whether the vehicle has collided and, if so, to obtain the type and intensity of the collision; An airbag execution module controls the airbag after a collision occurs based on the status of the child in the child seat, the type of collision, and the intensity of the collision.

2. A child seat airbag control system according to claim 1, characterized in that: The state perception module includes: A weight sensor is provided on the seat cushion of the child seat and is used to identify whether a child is sitting in the child seat and to collect the weight of the child if a child is sitting in the child seat; The camera is installed on the ceiling above the second row of the dome light assembly or the second row of the ceiling to obtain the height and posture of the child sitting in the child seat.

3. The child seat airbag control system according to claim 1, characterized in that: The airbag execution module includes: The first execution module controls the airbag not to inflate when detecting that no child is sitting in the child seat after a collision occurs.

4. The child seat airbag control system according to claim 1, wherein: The airbag execution module includes: The second execution module controls the airbag not to inflate when detecting that a child is seated in the child seat after a low-speed collision occurs in the vehicle.

5. The child seat airbag control system according to claim 1, characterized in that: The airbag execution module includes: The third execution module controls the airbag not to inflate when it detects that a child is sitting in the child seat and the weight of the child does not exceed a first weight threshold when the vehicle collides at a medium or high speed and the collision type is a rear-end collision, and controls the airbag to inflate when it detects that a child is sitting in the child seat and the weight of the child exceeds the first weight threshold.

6. The child seat airbag control system according to claim 1, characterized in that: The airbag execution module includes: The fourth execution module controls the inflation of the airbag when it is detected that a child is sitting in the child seat when the vehicle is involved in a medium-to-high speed collision and the collision type is not a rear-end collision.

7. The child seat airbag control system according to claim 1, characterized in that: The airbag execution module includes: a threshold acquisition module, configured to obtain a trigger threshold for a scenario in which a collision occurs and a child is detected to be seated in the child seat based on the weight of the child and the type of collision; a triggering judgment module, the triggering judgment module being configured to compare the collision intensity with a triggering threshold and to determine whether to trigger the airbag when the collision intensity is not less than the triggering threshold, and to determine whether to not trigger the airbag when the collision intensity is less than the triggering threshold; a trigger execution module, wherein the trigger execution module inflates the airbag when it is determined that the airbag is triggered, and does not inflate the airbag when it is determined that the airbag is not triggered; The trigger threshold is the ultimate collision intensity at which the child does not suffer injury when a standard test of collision type, child weight and collision intensity is performed.

8. The child seat airbag control system according to claim 1, characterized in that: The airbag execution module includes: An airbag pressure control module calculates an airbag inflation pressure based on the weight of a child seated in the child seat and the intensity of a collision when performing airbag inflation, and inflates the airbag according to the calculated inflation pressure.

9. A child seat airbag control method, characterized in that: The control method is used to control a child seat airbag control system according to any one of claims 1 to 8, comprising: Identify whether there is a child in the child seat, and if so, obtain the child's height, weight, and posture; Identify whether the vehicle has collided, and if so, obtain the collision type and collision intensity; After a collision occurs, the airbag is controlled based on the status of the child in the child seat, the type of collision, and the intensity of the collision.

10. A non-transitory computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the child seat airbag control method as claimed in claim 9 are implemented.

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