Child lock control method of vehicle and vehicle machine

Abstract

The invention provides a child lock control method of a vehicle and a vehicle machine, and relates to the technical field of child lock control. When it is detected that a child exists in the rear row area of the vehicle according to the video image of the rear row area, child behavior data detected by a behavior detection module are received; according to the child behavior data, whether the behavior of the child in the rear row area of the vehicle has a door opening tendency is determined; if the door opening tendency exists, potential safety hazards exist in behaviors of the child, and then the child lock control module is controlled to control the child lock of the rear vehicle door to be locked. In this way, children cannot open the automobile door from the inside, and safety accidents are avoided. When a child in the vehicle does not tend to open the vehicle door and wants to open the vehicle window for ventilation or view scenery, the child can open the vehicle window, and once a dangerous event occurs, the child can also open the vehicle door to avoid danger and save themselves. Therefore, the reliability of controlling the child lock to be in the locked state is high.

Description

Technical Field

[0001] This application relates to the technical field of child lock control, and particularly to a method for controlling a child lock of a vehicle and a vehicle-mounted computer. Background Art

[0002] With the development of technology, the child lock, as a standard configuration of a vehicle, plays a very important role during driving. The child lock is usually set on the rear doors of the vehicle. When the vehicle is driving and the child lock is in the locked state, children sitting in the back row cannot open the doors and windows from the inside of the vehicle, thus avoiding losses of life and property.

[0003] Currently, when the vehicle is driving, it is possible to detect whether there are children in the rear seats of the vehicle. If there are children, the child lock is directly controlled to be in the locked state. In this way, when the children in the vehicle do not have the tendency to open the doors but want to open the windows for ventilation or to enjoy the scenery, they cannot open the windows. Moreover, in case of a dangerous event, the children cannot open the doors for self-rescue. It can be seen that the reliability of directly controlling the child lock to be in the locked state is poor. Summary of the Invention

[0004] This application provides a method for controlling a child lock of a vehicle and a vehicle-mounted computer, which is used to solve the problem of poor reliability of controlling the child lock to be in the locked state in the prior art.

[0005] In a first aspect, this application provides a method for controlling a child lock of a vehicle, which is applied to a vehicle-mounted computer. The vehicle-mounted computer includes a central controller, a camera, a behavior detection module, and a child lock control module provided on the rear door of the vehicle including the vehicle-mounted computer. The method provided by this application includes:

[0006] When the driving speed of the vehicle is greater than a set speed threshold, the central controller receives a video image of the rear area of the vehicle collected by the camera.

[0007] When the central controller detects that there are children in the rear area of the vehicle based on the video image of the rear area, it receives child behavior data detected by the behavior detection module.

[0008] The central controller determines whether there is a tendency to open the door in the behavior of the children in the rear area of the vehicle according to the child behavior data.

[0009] If there is a tendency to open the door, the central controller controls the child lock control module to lock the child lock of the rear door.

[0010] In some embodiments, the behavior detection module is a camera, the child behavior data is a video image of the rear area of the vehicle, and the central controller determines whether there is a tendency to open the door in the behavior of the children in the rear area of the vehicle according to the child behavior data, including:

[0011] The central controller inputs the video image of the rear row area of the vehicle into a pre-trained door-opening tendency determination model, and determines whether there is a door-opening tendency in the behavior of the child in the rear row area of the vehicle based on the door-opening tendency determination model. Among them, the door-opening tendency determination model is obtained by training multiple historical video images with target identifiers input into a neural network, and each target identifier is used to represent that the child in the historical video image has a door-opening tendency or does not have a door-opening tendency.

[0012] In some embodiments, determining whether there is a door-opening tendency in the behavior of the child in the rear row area of the vehicle based on the door-opening tendency determination model includes:

[0013] Based on the door-opening tendency determination model, when it is determined that the behavior of the child in the rear row area of the vehicle has the child's hand moving towards the unlocking control of the rear door of the vehicle, or when the child has a crying mood, it is determined that the behavior of the child in the rear row area of the vehicle has a door-opening tendency.

[0014] In some embodiments, the behavior detection module is an electric window. The central controller determines whether there is a door-opening tendency in the behavior of the child in the rear row area of the vehicle according to the child behavior data, including:

[0015] The central controller receives the working state data from the electric window;

[0016] When the central controller determines, based on the working state data of the electric window, that the number of times the electric window is opened and closed within a preset duration is greater than the set number threshold, it is determined that the behavior of the child in the rear row area of the vehicle has a door-opening tendency.

[0017] In some embodiments, after the central controller controls the child lock control module to lock the child lock of the rear door, the method provided in this application further includes:

[0018] The central controller sets an automatic locking flag for a child lock;

[0019] When the central controller detects that the gear of the vehicle is in the P gear and the stored flag is the automatic locking flag, it controls the child lock control module to unlock the child lock of the rear door;

[0020] The central controller clears the automatic locking flag.

[0021] In some embodiments, before receiving the video image of the rear row area of the vehicle collected by the camera, the method provided in this application includes:

[0022] After the vehicle is powered on, the central controller detects whether the child lock intelligent control mode is in the on state;

[0023] If the intelligent control mode of the child lock is in the on state, the central controller receives the video image of the rear area of the vehicle collected by the camera when the driving speed of the vehicle is greater than the set speed threshold.

[0024] In some embodiments, the method provided by the present application further includes:

[0025] After detecting that the intelligent control mode of the child lock is in the on state, if the central controller receives an unlocking instruction or a locking instruction for the child lock from the human-machine interaction module, a manual operation flag of the child lock is set, and the intelligent control mode of the child lock is exited.

[0026] In some embodiments, after setting a manual operation flag of a child lock, the method further includes:

[0027] The central controller clears the manual operation flag when receiving an enabling instruction for the intelligent control mode of the child lock from the human-machine interaction module or receiving a power-off instruction.

[0028] In some embodiments, after the central controller controls the child lock control module to lock the child lock of the rear door, the method provided by the present application further includes:

[0029] When the central controller detects a dangerous event, it controls the child lock control module to unlock the child lock of the rear door.

[0030] In a second aspect, the present application further provides a vehicle machine. Applied to the vehicle machine, the vehicle machine includes a central controller, a camera, a behavior detection module, and a child lock control module provided on the rear door of a vehicle including the vehicle machine. The central controller is configured to execute the method provided in the first aspect of the present application.

[0031] In a third aspect, the present application further provides a storage medium storing a computer program. When the computer program is executed by a processor, the computer is caused to execute the method provided in the first aspect of the present application.

[0032] In a fourth aspect, the present application further provides a computer program product including a computer program. When the computer program is run, the vehicle machine is caused to execute the method provided in the first aspect of the present application.

[0033] The present application provides a method for controlling a child lock of a vehicle and a vehicle-mounted computer. When the central controller of the vehicle-mounted computer detects that there is a child in the rear area of the vehicle based on the video image of the rear area, it receives the child behavior data detected by the behavior detection module; the central controller determines whether the behavior of the child in the rear area of the vehicle has an opening tendency according to the child behavior data; if there is an opening tendency, it indicates that there is a safety hazard in the behavior of the child at this time. At this time, the central controller controls the child lock control module to lock the child lock of the rear door. In this way, the child cannot open the door from the inside, avoiding the occurrence of safety accidents. When the child in the vehicle has no tendency to open the door but wants to open the window for ventilation or to view the scenery, the child can open the window, and once a dangerous event occurs, the child can also open the door to avoid danger and self-rescue. It can be seen that the reliability of the above control to keep the child lock in the locked state is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0035] Figure 1 It is a block diagram of the circuit module connection of the vehicle-mounted computer provided by the embodiment of the present application;

[0036] Figure 2 It is a flowchart of the method for controlling the child lock of the vehicle provided by the embodiment of the present application;

[0037] Figure 3 It is a functional module block diagram of the device for controlling the child lock of the vehicle provided by the embodiment of the present application. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0038] Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. However, it should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present disclosure. In addition, in the following description, the descriptions of well-known structures and technologies are omitted to avoid unnecessarily confusing the concepts of the present disclosure.

[0039] Various structural schematic diagrams according to embodiments of the present disclosure are shown in the drawings. These figures are not drawn to scale, where for the purpose of clear expression, some details are enlarged and some details may be omitted. The shapes of various regions and layers shown in the figures, as well as their relative sizes and positional relationships, are only exemplary. In practice, there may be deviations due to manufacturing tolerances or technical limitations, and those skilled in the art can design regions / layers with different shapes, sizes, and relative positions according to actual needs.

[0040] In the context of the present disclosure, when a layer / component is referred to as being "on" another layer / component, the layer / component may be directly on the other layer / component, or there may be an intermediate layer / component therebetween. Additionally, if a layer / component is "on" another layer / component in one orientation, then when the orientation is reversed, the layer / component may be "under" the other layer / component.

[0041] Explanation of patent terms in this application:

[0042] The child lock of a vehicle is a safety device mainly used to prevent children in the vehicle from accidentally opening the door during driving, which may cause danger. The child lock is usually installed on the rear door of the car. When the child lock is in the locked state, children cannot open the rear door of the vehicle and the rear door window.

[0043] Hereinafter, specific embodiments will be used to describe in detail the technical solution of the present application and how the technical solution of the present application solves the above technical problems. These several specific embodiments may be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments. The embodiments of the present application will be described below with reference to the accompanying drawings.

[0044] An embodiment of the present application provides a method for controlling a child lock of a vehicle, which is applied to a vehicle head unit. As Figure 1 shown, the vehicle head unit includes a central controller 101, a camera 102, a behavior detection module 103, and a child lock control module 104 provided on the rear door of the vehicle including the vehicle head unit. As Figure 2 shown, the method provided by the embodiment of the present application includes:

[0045] S201: When the driving speed of the vehicle is greater than a set speed threshold, the central controller 101 receives a video image of the rear area of the vehicle collected by the camera 102.

[0046] S202: When the central controller 101 detects that there is a child in the rear area of the vehicle based on the video image of the rear area, it receives child behavior data detected by the behavior detection module 103.

[0047] Exemplarily, it may be determined whether there is a child in the video image of the rear area according to a pre-trained child recognition model. Among them, the child recognition model is obtained by training a neural network with multiple historical video images carrying image tags, and the image tags are used to represent whether there is a child in the corresponding video image.

[0048] S203: The central controller 101 determines whether the behavior of the child in the rear area of the vehicle has an opening tendency according to the child behavior data. If so, S204 is executed.

[0049] In some embodiments, the behavior detection module 103 may be a camera 102, and the child behavior data may be video images of the rear area of the vehicle. S202 may be specifically implemented as follows: The central controller 101 inputs the video images of the rear area of the vehicle into a pre-trained door opening tendency determination model, and determines whether the behavior of the child in the rear area of the vehicle has a door opening tendency based on the door opening tendency determination model. Among them, the door opening tendency determination model is obtained by training a neural network with multiple historical video images carrying target identifiers, and each target identifier is used to represent that the child in the historical video image has a door opening tendency or does not have a door opening tendency.

[0050] Exemplarily, based on the door opening tendency determination model, when it is determined that the behavior of the child in the rear area of the vehicle has the child's hand moving towards the unlocking control of the rear door of the vehicle, or the child has a crying emotion, it is determined that the behavior of the child in the rear area of the vehicle has a door opening tendency.

[0051] In other embodiments, the behavior detection module 103 is an electric window, and the central controller 101 receives the working state data from the electric window; when the central controller 101 determines, based on the working state data of the electric window, that the number of times the electric window is opened and closed within a preset duration (such as 10 s) is greater than a set number threshold (such as 3 times), it is determined that the behavior of the child in the rear area of the vehicle has a door opening tendency. Among them, the opening and closing of the electric window may be triggered manually or by voice by the child, etc.

[0052] S204: The central controller 101 controls the child lock control module 104 to lock the child lock 105 of the rear door.

[0053] After the child lock 105 is locked, the child cannot open the door and window from the inside of the vehicle, ensuring the safety of the child. Further, only one of the rear doors close to the child can be controlled to be locked.

[0054] In summary, for the child lock control method of a vehicle provided in the embodiments of the present application, when the central controller 101 of the vehicle infotainment system detects that there is a child in the rear row area of the vehicle based on the video image of the rear row area, it receives the child behavior data detected by the behavior detection module 103; the central controller 101 determines whether the behavior of the child in the rear row area of the vehicle has a tendency to open the door according to the child behavior data; if there is a tendency to open the door, it indicates that there is a safety hazard in the behavior of the child at this time. At this time, the central controller 101 controls the child lock control module 104 to lock the child lock 105 of the rear door. In this way, the child cannot open the door from the inside, avoiding the occurrence of safety accidents. When the child in the vehicle has no tendency to open the door but wants to open the window for ventilation or to view the scenery, the child can open the window, and once a dangerous event occurs, the child can also open the door to avoid danger and self-rescue. It can be seen that the reliability of the above control to keep the child lock 105 in the locked state is high.

[0055] In some embodiments, based on the above Figure 2 corresponding embodiment, after the above S204, the method provided in the embodiments of the present application further includes:

[0056] Step A1: The central controller 101 sets an automatic locking flag for a child lock 105.

[0057] It can be understood that the automatic locking flag is used to indicate that the child lock 105 is automatically locked.

[0058] Step A2: When the central controller 101 detects that the vehicle is in the P gear and the stored flag is the automatic locking flag, it controls the child lock control module 104 to unlock the child lock 105 of the rear door.

[0059] It can be understood that when the vehicle is in the P gear, the vehicle has stopped moving, and there is no safety hazard in opening the rear door. If it is detected that the stored flag is the automatic locking flag, the child lock control module 104 is controlled to unlock the child lock 105 of the rear door to facilitate the child to open the window of the rear door for ventilation / viewing the scenery, or to open the rear door to get out of the vehicle.

[0060] Step A3: The central controller 101 clears the automatic locking flag.

[0061] In some embodiments, before S201, the method provided by the embodiments of the present application includes: after the vehicle is powered on, the central controller 101 detects whether the child lock intelligent control mode is in an enabled state; if the child lock intelligent control mode is in an enabled state, it indicates that the vehicle owner allows automatic control of the unlocking or locking of the child lock 105 at this time. At this time, when the driving speed of the vehicle is greater than the set speed threshold, the central controller 101 receives the video image of the rear area of the vehicle collected by the camera 102, so that the subsequent operation of automatically controlling the unlocking or locking of the child lock 105 better meets the needs of the vehicle owner.

[0062] In some embodiments, the method provided by the embodiments of the present application further includes:

[0063] After detecting that the child lock intelligent control mode is in an enabled state, if the central controller 101 receives an unlocking instruction or a locking instruction for the child lock 105 from the human-machine interaction module, it controls the child lock control module 104 to unlock or lock the child lock 105, and at the same time indicates that the user does not want to automatically control the unlocking or locking of the child lock 105. Furthermore, a manual operation flag for the child lock 105 can be set. The manual operation flag is used to indicate that automatic control of the unlocking or locking of the child lock 105 is prohibited. Furthermore, after detecting the manual operation flag, the central controller 101 exits the child lock intelligent control mode. Furthermore, the unlocking or locking of the child lock 105 will not be automatically controlled subsequently, which better meets the needs of the vehicle owner.

[0064] Further, after setting a manual operation flag for the child lock 105, the method provided by the embodiments of the present application may further include: when the central controller 101 receives an enabling instruction for the child lock intelligent control mode from the human-machine interaction module or receives a power-off instruction, it clears the manual operation flag. In this way, when the vehicle is powered on again or the user triggers the enabling of the child lock intelligent control mode on the human-machine interaction module next time, the unlocking or locking of the child lock 105 can be automatically controlled again.

[0065] In some embodiments, based on the corresponding embodiments described above, after S204 described above, the method provided by the embodiments of the present application further includes: when the central controller 101 detects a dangerous event, it controls the child lock control module 104 to unlock the child lock 105 of the rear door. In this way, children can open the door to avoid danger and save themselves. Figure 2

[0066] ​In addition, an embodiment of the present application provides a child lock control device for a vehicle, which is applied to a vehicle head unit. It should be noted that the basic principle and the technical effects generated by the child lock control device for the vehicle provided in the embodiment of the present application are the same as those in the above embodiment. For the sake of brief description, for the parts not mentioned in the embodiment of the present application, reference may be made to the corresponding content in the above embodiment. The vehicle head unit provided in the embodiment of the present application includes a central controller 101, a camera 102, a behavior detection module 103, and a child lock control module 104 provided on the rear door of the vehicle including the vehicle head unit. As Figure 3 shown, the device provided in the embodiment of the present application includes a data receiving unit, a door opening tendency determining unit, and a child lock control unit. Among them,

[0067] The data receiving unit is configured to receive a video image of the rear area of the vehicle collected by the camera 102 when the driving speed of the vehicle is greater than a set speed threshold.

[0068] The data receiving unit is further configured to receive child behavior data detected by the behavior detection module 103 when it is detected that there is a child in the rear area of the vehicle according to the video image of the rear area.

[0069] The door opening tendency determining unit is configured to determine whether there is a door opening tendency in the behavior of the child in the rear area of the vehicle according to the child behavior data.

[0070] The child lock control unit is configured to, if there is a door opening tendency, control the child lock control module 104 to lock the child lock 105 of the rear door.

[0071] In some embodiments, the behavior detection module 103 is the camera 102, the child behavior data is the video image of the rear area of the vehicle, and the door opening tendency determining unit is specifically configured to input the video image of the rear area of the vehicle into a pre-trained door opening tendency determining model, and determine whether there is a door opening tendency in the behavior of the child in the rear area of the vehicle based on the door opening tendency determining model. Among them, the door opening tendency determining model is obtained by training a neural network with multiple historical video images carrying target identifiers, and each target identifier is used to represent that the child in the historical video image has a door opening tendency or does not have a door opening tendency.

[0072] In some embodiments, the door opening tendency determining unit is specifically configured to determine that there is a door opening tendency in the behavior of the child in the rear area of the vehicle when it is determined based on the door opening tendency determining model that the hand of the child in the rear area of the vehicle moves towards the unlocking control of the rear door of the vehicle, or the child has a crying mood.

[0073] In some other embodiments, the door-opening tendency determination unit is specifically configured to receive the working state data from the electric window; and determine that there is a door-opening tendency in the behavior of a child in the rear area of the vehicle when it is determined, based on the working state data of the electric window, that the number of times the electric window is opened and closed within a preset duration is greater than a set number threshold.

[0074] In some embodiments, the device provided by the embodiment of the present application further includes:

[0075] A flag setting unit, configured to set an automatic locking flag of a child lock 105;

[0076] The child lock control unit is further configured to control the child lock control module 104 to unlock the child lock 105 of the rear door when it is detected that the gear of the vehicle is in the P gear and the stored flag is the automatic locking flag;

[0077] A flag clearing unit, configured to clear the automatic locking flag.

[0078] In some embodiments, the device provided by the embodiment of the present application includes:

[0079] A mode detection unit, configured to detect whether the child lock intelligent control mode is in an enabled state after the vehicle is powered on.

[0080] The data receiving unit is further configured to, if the child lock intelligent control mode is in an enabled state, receive the video image of the rear area of the vehicle collected by the camera 102 when the driving speed of the vehicle is greater than a set speed threshold.

[0081] In some embodiments, the flag setting unit is further configured to, after detecting that the child lock intelligent control mode is in an enabled state, set a manual operation flag of a child lock 105 if an unlocking instruction or a locking instruction for the child lock 105 is received from the human-machine interaction module.

[0082] A mode exit unit, configured to exit the child lock intelligent control mode.

[0083] In some embodiments, the flag clearing unit is further configured to clear the manual operation flag when an enabling instruction for the child lock intelligent control mode is received from the human-machine interaction module or a power-off instruction is received.

[0084] In some embodiments, the child lock control unit is further configured to control the child lock control module 104 to unlock the child lock 105 of the rear door when a dangerous event is detected.

[0085] In addition, an embodiment of the present application further provides a vehicle head unit. The vehicle head unit is applied to a vehicle head unit, and the vehicle head unit includes a central controller, a camera, a behavior detection module, and a child lock control module disposed on the rear door of the vehicle including the vehicle head unit. The central controller is configured to execute the method provided in the above embodiment of the present application.

[0086] In addition, an embodiment of the present application further provides a storage medium storing a computer program. When the computer program is executed by a processor, the computer is caused to execute the method provided in the above embodiment of the present application.

[0087] In addition, an embodiment of the present application further provides a computer program product including a computer program. When the computer program is run, the vehicle head unit is caused to execute the method provided in the above embodiment of the present application.

[0088] In the above description, no detailed description is made of the technical details such as the composition of each layer. However, those skilled in the art should understand that various technical means can be used to form layers, regions, etc. of the required shape. In addition, in order to form the same structure, those skilled in the art can also design methods that are not exactly the same as the methods described above. In addition, although the above embodiments are described separately, this does not mean that the measures in each embodiment cannot be used advantageously in combination.

[0089] Although the preferred embodiments of the present application have been described, those skilled in the art can make additional changes and modifications once they learn the basic creative concept. Therefore, the appended claims are intended to be construed to include the preferred embodiments as well as all changes and modifications falling within the scope of the present application.

[0090] Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application is also intended to include these changes and modifications.

Claims

1. A method for controlling a child lock of a vehicle, characterized in that, Applied to a vehicle head unit, the vehicle head unit includes a central controller, a camera, a behavior detection module, and a child lock control module provided on the rear door of a vehicle including the vehicle head unit. The method includes: When the driving speed of the vehicle is greater than a set speed threshold, the central controller receives a video image of the rear area of the vehicle collected by the camera; When the central controller detects a child in the rear area of the vehicle based on the video image of the rear area, the central controller receives child behavior data detected by the behavior detection module; The central controller determines whether there is a tendency to open the door in the behavior of the child in the rear area of the vehicle according to the child behavior data; If there is a tendency to open the door, the central controller controls the child lock control module to lock the child lock of the rear door.

2. The method according to claim 1, wherein The behavior detection module is the camera, and the child behavior data is the video image of the rear area of the vehicle. The central controller determines whether there is a tendency to open the door in the behavior of the child in the rear area of the vehicle according to the child behavior data, including: The central controller inputs the video image of the rear area of the vehicle into a pre-trained door opening tendency determination model, and determines whether there is a tendency to open the door in the behavior of the child in the rear area of the vehicle based on the door opening tendency determination model. The door opening tendency determination model is obtained by training a neural network with multiple historical video images carrying target identifiers, and each target identifier is used to represent that the child in the historical video image has a tendency to open the door or does not have a tendency to open the door.

3. The method according to claim 2, wherein The determining whether there is a tendency to open the door in the behavior of the child in the rear area of the vehicle based on the door opening tendency determination model includes: Based on the door opening tendency determination model, when it is determined that the behavior of the child in the rear area of the vehicle has the child's hand moving towards the unlocking control of the rear door of the vehicle, or the child has a crying emotion, it is determined that there is a tendency to open the door in the behavior of the child in the rear area of the vehicle.

4. The method according to claim 1, characterized in that, The behavior detection module is an electric window. The central controller determines whether there is a tendency to open the door in the behavior of the child in the rear area of the vehicle according to the child behavior data, including: The central controller receives the working state data from the electric window; When the central controller determines that the number of opening and closing times of the electric window within a preset duration is greater than a set number threshold based on the working state data of the electric window, it is determined that there is a tendency to open the door in the behavior of the child in the rear area of the vehicle.

5. The method according to claim 1, characterized in that, After the central controller controls the child lock control module to lock the child lock of the rear door, the method further includes: The central controller sets an automatic locking flag for the child lock; When the central controller detects that the gear of the vehicle is in the P gear and the stored flag is the automatic locking flag, the central controller controls the child lock control module to unlock the child lock of the rear door; The central controller clears the automatic locking flag.

6. The method according to claim 1, wherein Before receiving the video image of the rear area of the vehicle collected by the camera, the method includes: After the vehicle is powered on, the central controller detects whether the intelligent child lock control mode is in an enabled state; If the intelligent child lock control mode is in an enabled state, the central controller receives the video image of the rear area of the vehicle collected by the camera when the driving speed of the vehicle is greater than a set speed threshold.

7. The method according to claim 1, wherein The method further includes: After detecting that the intelligent child lock control mode is in an enabled state, if the central controller receives an unlocking instruction or a locking instruction for the child lock from the human-machine interaction module, a manual operation flag of the child lock is set, and the intelligent child lock control mode is exited.

8. The method according to claim 7, wherein After setting the manual operation flag of the child lock, the method further includes: The central controller clears the manual operation flag when receiving an enabling instruction for the intelligent child lock control mode from the human-machine interaction module or receiving a power-off instruction.

9. The method according to any one of claims 1-8, characterized in that, After the central controller controls the child lock control module to lock the child lock of the rear door, the method further includes: When the central controller detects a dangerous event, it controls the child lock control module to unlock the child lock of the rear door.

10. A vehicle-mounted computer, characterized in that, Applied to a vehicle head unit, the vehicle head unit includes a central controller, a camera, a behavior detection module, and a child lock control module disposed on the rear door of a vehicle including the vehicle head unit, and the central controller is configured to execute the method according to any one of claims 1-9.

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