Danger warning and defense method and system, storage medium and vehicle

Abstract

The invention provides a danger warning and defense method and system, a storage medium and a vehicle. A vehicle to which the method is applied is provided with at least one gyroscope and at least one ceiling screen; firstly, a detection value of a current vehicle gyroscope is obtained in real time; obtaining the driving danger level of the current vehicle according to the detection value; and further controlling the ceiling screen to broadcast a corresponding warning picture based on the driving danger level, or controlling the ceiling screen to broadcast the corresponding warning picture based on the driving danger level and the detection value, and rotating to a corresponding angle. According to the invention, real-time monitoring and early warning of the driving risk can be realized; according to different driving danger levels, corresponding visual warning information is provided, it is ensured that members can obtain warnings of different levels according to the danger levels, and the members are helped to take countermeasures in time; and the posture of the ceiling screen can be adjusted according to the actual situation, and the situation that the ceiling screen is fixed and causes secondary damage to members in the vehicle is avoided.

Description

Technical Field

[0001] This application relates to the field of vehicle safety technology, and in particular to a hazard warning and defense method, system, storage medium, and vehicle. Background Art

[0002] With the rapid development of the domestic automobile market, consumers are demanding higher and higher levels of vehicle comfort and technological features. In mid-to-high-end models, ceiling-mounted screens, as an emerging in-vehicle infotainment device, are gradually becoming standard or optional features, providing passengers with functions such as video, navigation, and entertainment.

[0003] However, while enjoying the convenience brought by technology, the potential safety hazards of ceiling-mounted screens in the event of a vehicle collision or accident are gradually becoming apparent. Without effective safety protection measures, ceiling-mounted screens could cause secondary injuries to vehicle occupants during an accident. Therefore, how to ensure the safety of vehicle passengers while providing entertainment functions has become an urgent technical problem to be solved. Summary of the Invention

[0004] To address the aforementioned technical problems, this application provides a method, system, storage medium, and vehicle for hazard warning and defense on a vehicle ceiling-mounted screen.

[0005] Specifically, this application provides a hazard warning and defense method, wherein the current vehicle is equipped with at least one gyroscope and at least one ceiling-mounted screen; the hazard warning and defense method includes the following steps: S100: Real-time acquisition of the detection value of the current vehicle's gyroscope.

[0006] S200: Obtain the current driving hazard level of the vehicle based on the detected value.

[0007] And S300: Control the ceiling screen to broadcast the corresponding warning screen based on the driving hazard level, or control the ceiling screen to broadcast the corresponding warning screen based on the driving hazard level and the detection value, and rotate it to the corresponding angle.

[0008] In the above technical solution, by acquiring the detection values ​​of the vehicle's gyroscope in real time, the dynamic changes of the vehicle can be accurately captured, such as dangerous driving behaviors like sharp turns, rapid acceleration, and sudden braking, thereby achieving real-time monitoring and early warning of driving risks. According to different levels of driving danger, corresponding visual warning information is provided, such as color changes, icon displays, and text prompts, to ensure that passengers can receive different levels of warning according to the degree of danger, which helps them to take timely countermeasures. In the event of a collision or accident, the system can adjust the posture of the ceiling screen according to the actual situation to avoid secondary injuries to the occupants caused by the ceiling screen being fixed in place. For example, the ceiling screen can automatically adjust to a safe position in the event of a collision.

[0009] Furthermore, the detected values ​​include at least acceleration and angular velocity; the acceleration includes at least X-axis acceleration, Y-axis acceleration and Z-axis acceleration; the angular velocity includes at least X-axis angular velocity, Y-axis angular velocity and Z-axis angular velocity.

[0010] The positive X-axis is defined as the current direction of vehicle movement, the positive Y-axis is defined as the right side of the current direction of vehicle movement, and the positive Z-axis is defined as the direction in which the vehicle is currently bumping upwards.

[0011] In the above technical solution, by detecting acceleration and angular velocity in the X, Y, and Z directions in detail, the vehicle's motion state, such as sharp turns, sudden braking, and bumps, can be fully captured, thereby more accurately judging the current driving hazard level; based on detailed acceleration and angular velocity data, the system can more accurately control the rotation angle of the ceiling-mounted screen, thereby maximizing the protection of occupant safety.

[0012] Furthermore, the driving hazard levels include at least a first driving hazard level, a second driving hazard level, and a third driving hazard level.

[0013] In the above technical solution, through clear classification, the system can take corresponding warning and operation measures for different levels of dangerous conditions, thereby improving processing efficiency. For different levels of dangerous conditions, the system can design different warning methods. For example, the first level can be prompted with conventional information, while the third level can use a rapid sound and flashing red warning to prompt members to pay attention and react immediately.

[0014] Furthermore, S200 includes: Determine whether the X-axis angular velocity is greater than a preset angular velocity threshold. If so, determine that the current vehicle is in the first driving danger level.

[0015] If the X-axis angular velocity is less than or equal to the preset angular velocity threshold, then it is determined whether there is an acceleration greater than the preset acceleration threshold among the X-axis acceleration, Y-axis acceleration and Z-axis acceleration. If so, the current vehicle is determined to be in the second driving danger level.

[0016] If there is no acceleration greater than the preset acceleration threshold, then determine whether there is an acceleration greater than the preset acceleration threshold within a preset time and whether the number of occurrences is greater than or equal to the preset number. If so, determine that the current vehicle is in the third driving safety level; otherwise, return to S100.

[0017] In the above technical solution, by judging acceleration and angular velocity in multiple dimensions and at multiple levels, the system can more accurately identify different dangerous driving conditions, from slight shaking to emergency braking, and information at each level is captured in detail.

[0018] Furthermore, when the vehicle is currently in the first driving hazard level, S300 includes: Control the ceiling-mounted screen to display the first warning image corresponding to the first driving hazard level.

[0019] Obtain the member information of the current vehicle occupants, determine the relative position of the occupants and the ceiling screen based on the member information, and obtain the initial angle of the ceiling screen.

[0020] The safe angle of the ceiling screen is calculated based on the initial angle, relative position, and detection value, and the ceiling screen is controlled to rotate to the safe angle before returning to S100.

[0021] In the above technical solution, the control of the ceiling screen to display a dedicated warning image for the first driver's hazard level can intuitively convey the current abnormal state to the occupants and improve their vigilance; by adjusting the ceiling screen to a safe angle according to the occupant information, it is ensured that the occupants can avoid direct contact with the ceiling screen to the greatest extent possible in the event of a collision, which significantly reduces the risk of secondary injury to the occupants caused by the ceiling screen in an accident and enhances the overall safety of the vehicle.

[0022] Furthermore, when the vehicle is currently in the second driving hazard level, S300 includes: Control the ceiling-mounted screen to broadcast the second warning screen corresponding to the second driving hazard level, and return to S100.

[0023] In the above technical solution, the second warning screen is specifically designed for driving situations at the second level of driving danger, and the information is more targeted and direct.

[0024] Furthermore, when the current vehicle is in the third driving hazard level, S300 includes: Control the ceiling-mounted screen to broadcast the third warning screen corresponding to the third driving hazard level.

[0025] Obtain the member information of the current vehicle occupants, determine the relative position of the occupants and the ceiling screen based on the member information, and obtain the initial angle of the ceiling screen.

[0026] The safe angle of the ceiling screen is calculated based on the initial angle, relative position, and detection value, and the ceiling screen is controlled to rotate to the safe angle before returning to S100.

[0027] In the above technical solution, the system flexibly displays different warning images according to different driving hazard levels, thereby enhancing the warning effect.

[0028] Based on the same concept, this application also provides a hazard warning and defense system, which employs the aforementioned hazard warning and defense method, and the system includes: The detection module is used to acquire the detection values ​​of the vehicle's gyroscope in real time.

[0029] The judgment module is used to obtain the current driving hazard level of the vehicle based on the detected value.

[0030] The warning and defense module is used to control the ceiling screen to broadcast the corresponding warning screen based on the driving hazard level, or to control the ceiling screen to broadcast the corresponding warning screen based on the driving hazard level and the detection value, and rotate it to the corresponding angle.

[0031] In the above technical solution, the detection module acquires the detection value of the vehicle's gyroscope in real time, ensuring comprehensive monitoring of the vehicle's motion status and dynamic changes, and improving the quality and accuracy of the data; the system can distinguish different levels of driving hazards, ensuring that corresponding countermeasures are provided in different driving situations; combined with the driving hazard level and detection value, the system can dynamically adjust the angle of the ceiling screen to ensure the safety of the occupants and avoid secondary injuries caused by collisions with the ceiling screen.

[0032] Based on the same concept, this application also provides a storage medium storing a computer program, wherein the computer program is configured to execute the aforementioned danger warning and defense method when it is run.

[0033] Based on the same concept, this application also provides a vehicle equipped with at least a hazard warning and defense system, as well as at least one gyroscope and at least one ceiling-mounted screen, to implement the aforementioned hazard warning and defense method.

[0034] Compared with the prior art, the beneficial effects of this application are as follows: This application utilizes a vehicle equipped with at least one gyroscope and at least one ceiling-mounted screen. First, it acquires the real-time detection value of the vehicle's gyroscope. Then, it determines the vehicle's driving hazard level based on the detection value. Further, it controls the ceiling-mounted screen to display corresponding warning images based on the driving hazard level, or controls the screen to display corresponding warning images based on both the driving hazard level and the detection value, and rotates the screen to a corresponding angle. This application enables real-time monitoring and early warning of driving risks; it provides corresponding visual warning information based on different driving hazard levels, ensuring that occupants receive different levels of warning according to the degree of danger, helping them take timely countermeasures; it can also adjust the ceiling-mounted screen's orientation according to actual conditions, preventing secondary injury to occupants due to the screen being fixed in place. Attached Figure Description

[0035] Figure 1 This is a flowchart of the hazard warning and defense method described in this application.

[0036] Figure 2This is a framework diagram of the hazard warning and defense system described in this application. Detailed Implementation

[0037] The following detailed description, in conjunction with specific embodiments and accompanying drawings, describes a hazard warning and defense method, system, storage medium, and vehicle of this application.

[0038] Example 1: See Figure 1 This application provides a hazard warning and defense method, wherein the current vehicle is equipped with at least one gyroscope and at least one ceiling-mounted screen; the hazard warning and defense method includes the following steps: S100: Real-time acquisition of the detection value of the current vehicle's gyroscope.

[0039] In some embodiments, the gyroscope is a six-axis gyroscope, which combines a three-axis angular velocity meter and a three-axis accelerometer. Its six axes are the acceleration XYZ axis and the angular velocity XYZ axis, respectively, which can sense both angle changes and acceleration changes.

[0040] Furthermore, the detected values ​​include at least acceleration and angular velocity; the acceleration includes at least X-axis acceleration, Y-axis acceleration and Z-axis acceleration; the angular velocity includes at least X-axis angular velocity, Y-axis angular velocity and Z-axis angular velocity.

[0041] The positive X-axis is defined as the current direction of vehicle movement, the positive Y-axis is defined as the right side of the current direction of vehicle movement, and the positive Z-axis is defined as the direction in which the vehicle is currently bumping upwards.

[0042] In some embodiments, the X-axis acceleration is the acceleration in the current forward direction of the vehicle, the Y-axis acceleration is the lateral acceleration perpendicular to the forward direction of the vehicle, and the X-axis acceleration is the acceleration in the direction of the vehicle's upward movement; the X-axis angular velocity is the speed at which the vehicle rotates around the X-axis, the Y-axis angular velocity is the speed at which the vehicle rotates around the Y-axis, and the Z-axis angular velocity is the speed at which the vehicle rotates around the Z-axis.

[0043] In the above technical solution, by detecting acceleration and angular velocity in the X, Y, and Z directions in detail, the vehicle's motion state, such as sharp turns, sudden braking, and bumps, can be fully captured, thereby more accurately judging the current driving hazard level; based on detailed acceleration and angular velocity data, the system can more accurately control the rotation angle of the ceiling-mounted screen, thereby maximizing the protection of occupant safety.

[0044] S200: Obtain the current driving hazard level of the vehicle based on the detected value.

[0045] Furthermore, the driving hazard levels include at least a first driving hazard level, a second driving hazard level, and a third driving hazard level.

[0046] In some embodiments, the first driving hazard level indicates that the vehicle is about to roll over or is about to roll over; the second driving hazard level indicates that the vehicle may encounter an emergency; and the third driving hazard level indicates that the vehicle encounters an emergency, road bumps, or aggressive driving.

[0047] In other embodiments, those skilled in the art can further divide the driving hazard level into more levels for a more granular range of thresholds.

[0048] In the above technical solution, through clear classification, the system can take corresponding warning and operation measures for different levels of dangerous conditions, thereby improving processing efficiency. For different levels of dangerous conditions, the system can design different warning methods. For example, the first level can be prompted with conventional information, while the third level can use a rapid sound and flashing red warning to prompt members to pay attention and react immediately.

[0049] Furthermore, S200 includes: Determine whether the X-axis angular velocity is greater than a preset angular velocity threshold. If so, determine that the current vehicle is in the first driving danger level.

[0050] In some embodiments, a large X-axis angular velocity may indicate that the vehicle is experiencing severe or unstable turning or swaying, which may be entering or about to roll over, posing a certain risk to the occupants of the vehicle.

[0051] Suppose a vehicle equipped with a hazard warning and mitigation system is driving on a winding mountain road. During a sharp turn, the driver makes a mistake, causing the vehicle to shake violently. At this moment, the system detects through a gyroscope that the vehicle's X-axis angular velocity exceeds a preset threshold, and determines that the vehicle is currently in the highest level of driving hazard.

[0052] The system detected an X-axis angular velocity of 30 degrees per second, while the preset angular velocity threshold was 25 degrees per second. Comparing the detected value with the preset angular velocity threshold, it was found that the X-axis angular velocity (30 degrees per second) was greater than the preset angular velocity threshold (25 degrees per second), and the system determined that the current vehicle was in the first driving hazard level and there was a risk of rollover.

[0053] If the X-axis angular velocity is less than or equal to the preset angular velocity threshold, then it is determined whether there is an acceleration greater than the preset acceleration threshold among the X-axis acceleration, Y-axis acceleration and Z-axis acceleration. If so, the current vehicle is determined to be in the second driving danger level.

[0054] In some embodiments, if the X-axis angular velocity is less than or equal to a preset angular velocity threshold, the next step is determined. If the acceleration of any axis (X, Y, Z) is greater than a preset acceleration threshold, the vehicle is determined to be in the second driving hazard level. A large acceleration of a certain axis may indicate that the vehicle is undergoing emergency braking, acceleration or being subjected to a side impact, requiring the driver to be more vigilant and deal with potential emergencies.

[0055] Suppose a vehicle equipped with a hazard warning and mitigation system is driving on a city road. The driver needs to avoid an emergency and suddenly brakes. At this moment, the system detects through sensors that the X-axis angular velocity is less than a preset angular velocity threshold, but the X-axis acceleration (i.e., the acceleration of the vehicle along the direction of travel) exceeds a preset acceleration threshold. The system determines that the vehicle is currently in the second level of driving hazard.

[0056] The system detected an X-axis angular velocity of 20 degrees / second, while the preset angular velocity threshold was 25 degrees / second. Comparing the detected value with the preset threshold, it was found that the X-axis angular velocity (20 degrees / second) was less than the preset angular velocity threshold (25 degrees / second), and the next step of judgment was carried out.

[0057] Furthermore, the detection values ​​of the three-axis accelerometer are obtained, including the acceleration along the X, Y, and Z axes. The detected X-axis acceleration is -6 m / s², the Y-axis acceleration is 0.5 m / s², and the Z-axis acceleration is 1.2 m / s². The detection values ​​of each axis are compared with preset acceleration thresholds. Assuming the preset X-axis acceleration threshold is -4 m / s², and the Y-axis and Z-axis acceleration thresholds are 2 m / s², the X-axis acceleration (-6 m / s²) is greater than the preset X-axis acceleration threshold (-4 m / s²), and the current vehicle is determined to be in the second driving hazard level.

[0058] It should be noted that when comparing accelerations, their absolute values ​​are compared. The sign of the acceleration only represents the direction, not the magnitude.

[0059] If there is no acceleration greater than the preset acceleration threshold, then determine whether there is an acceleration greater than the preset acceleration threshold within a preset time and whether the number of occurrences is greater than or equal to the preset number. If so, determine that the current vehicle is in the third driving safety level; otherwise, return to S100.

[0060] In some embodiments, it is further determined whether there are multiple accelerations (greater than or equal to a preset number) exceeding a preset acceleration threshold within a preset time period. If so, the current vehicle is determined to be in the third driving safety level. Multiple acceleration fluctuations within a short period of time may indicate that the vehicle is frequently bumping, decelerating or accelerating under complex road conditions, which poses a high safety risk.

[0061] Suppose a vehicle equipped with a hazard warning and mitigation system is driving on a rural road with uneven surfaces, causing the vehicle to frequently bounce around within a short period. The system detects multiple instances of acceleration exceeding a preset threshold within a preset time period using sensors, and determines that the vehicle is currently at the third level of driving safety.

[0062] Specifically, assuming a preset time of 10 seconds, the accelerations are as follows: First acceleration: X-axis acceleration -3 m / s², Y-axis acceleration 0.8 m / s², Z-axis acceleration 1.5 m / s²; Second acceleration: X-axis acceleration -4 m / s², Y-axis acceleration 1.2 m / s², Z-axis acceleration 1.8 m / s²; Third acceleration: X-axis acceleration -5 m / s², Y-axis acceleration 0.6 m / s², Z-axis acceleration 2.0 m / s².

[0063] Assuming the preset X-axis acceleration threshold is -4 m / s², and the Y-axis and Z-axis acceleration thresholds are 2 m / s²; the system detects that the X-axis acceleration exceeds the preset acceleration threshold (-4 m / s²) for the second and third time, occurring twice in total; the system records the number of times the acceleration exceeds the threshold within a preset time (e.g., within 10 seconds), and finds that the number of times the preset acceleration threshold is exceeded is 2, which is greater than the preset number (e.g., set to 1 time). The judgment module determines that the current vehicle is at the third driving safety level, indicating a higher driving risk.

[0064] If none of the above conditions are met, return to step S100 and continue to monitor the vehicle gyroscope's detection value in real time.

[0065] In the above technical solution, by judging acceleration and angular velocity in multiple dimensions and at multiple levels, the system can more accurately identify different dangerous driving conditions, from slight shaking to emergency braking, and information at each level is captured in detail.

[0066] And S300: Control the ceiling screen to broadcast the corresponding warning screen based on the driving hazard level, or control the ceiling screen to broadcast the corresponding warning screen based on the driving hazard level and the detection value, and rotate it to the corresponding angle.

[0067] Furthermore, when the vehicle is currently in the first driving hazard level, S300 includes: Control the ceiling-mounted screen to display the first warning image corresponding to the first driving hazard level.

[0068] In some embodiments, if it is determined that the current vehicle is at risk of rollover, the ceiling-mounted screen displays a corresponding first warning image, such as "Vehicle is at risk of rollover, please be careful". The warning image can also be accompanied by a corresponding rollover warning animation and the font color can be set. Those skilled in the art can set the content of the warning image according to the actual application requirements, and are not limited to it.

[0069] In other embodiments, the text displayed on the ceiling screen can also be broadcast synchronously via the vehicle's voice system.

[0070] Obtain the member information of the current vehicle occupants, determine the relative position of the occupants and the ceiling screen based on the member information, and obtain the initial angle of the ceiling screen.

[0071] The safe angle of the ceiling screen is calculated based on the initial angle, relative position, and detection value, and the ceiling screen is controlled to rotate to the safe angle before returning to S100.

[0072] In some embodiments, the system obtains the member information of the current vehicle members, including at least the number of members and their seat positions; assuming there are 4 members in the vehicle, sitting in the driver's seat, the front passenger seat and the rear seat respectively; the system identifies the head orientation and line of sight of each member through in-vehicle cameras and sensors, and then determines the relative position of each member to the ceiling screen.

[0073] Furthermore, the initial angle of the ceiling screen is obtained, assuming the initial angle is 15 degrees downward horizontally; based on the initial angle, the relative positions of the members and the detection value, the safe angle of the ceiling screen is calculated, assuming the optimal safe angle is 10 degrees upward horizontally; the system controls the ceiling screen to rotate to the calculated safe angle (10 degrees upward horizontally) to ensure that all members can avoid colliding with the ceiling screen.

[0074] After completing the broadcast and angle adjustment, the system returns to the initial state (S100) and continues to monitor the vehicle's various detection values ​​in real time.

[0075] It should be noted that the head orientation and gaze direction of each occupant can be obtained through in-vehicle cameras and gaze tracking algorithms. For example, the driver's gaze is directed straight ahead (0 degrees relative to the ceiling screen), the front passenger's gaze is directed slightly to the right and forward (10 degrees relative to the ceiling screen), and the gazes of the two rear passengers are slightly to the left (-15 degrees relative to the ceiling screen) and slightly to the right (5 degrees relative to the ceiling screen), respectively. Then, the average value of the relative positions is calculated, and a safety margin angle to avoid collision is set based on the detected values. The safe angle is calculated based on the average value, the safety margin angle, and the initial angle.

[0076] In the above technical solution, the control of the ceiling screen to display a dedicated warning image for the first driver's hazard level can intuitively convey the current abnormal state to the occupants and improve their vigilance; by adjusting the ceiling screen to a safe angle according to the occupant information, it is ensured that the occupants can avoid direct contact with the ceiling screen to the greatest extent possible in the event of a collision, which significantly reduces the risk of secondary injury to the occupants caused by the ceiling screen in an accident and enhances the overall safety of the vehicle.

[0077] Furthermore, when the vehicle is currently in the second driving hazard level, S300 includes: Control the ceiling-mounted screen to broadcast the second warning screen corresponding to the second driving hazard level, and return to S100.

[0078] In some embodiments, if it is determined that the current vehicle may encounter an emergency, the ceiling-mounted screen displays a corresponding second warning screen, such as "The vehicle is braking suddenly, please fasten your seat belt". The warning screen can also be accompanied by a corresponding warning animation and the font color can be set. Those skilled in the art can set the content of the warning screen according to the actual application requirements, and are not limited to it.

[0079] In other embodiments, the text displayed on the ceiling screen can also be broadcast synchronously via the vehicle's voice system.

[0080] After completing the broadcast and angle adjustment, the system returns to the initial state (S100) and continues to monitor the vehicle's various detection values ​​in real time.

[0081] In the above technical solution, the second warning screen is specifically designed for driving situations at the second level of driving danger, and the information is more targeted and direct.

[0082] Furthermore, when the current vehicle is in the third driving hazard level, S300 includes: Control the ceiling-mounted screen to broadcast the third warning screen corresponding to the third driving hazard level.

[0083] In some embodiments, if an emergency is detected in the vehicle, the ceiling-mounted screen displays a corresponding third warning message, such as "The vehicle is driving in complex road conditions. Please maintain stable driving and fasten your seat belt." The warning message can also be accompanied by a corresponding warning animation and the font color can be set. Those skilled in the art can set the content of the warning message according to actual application needs, and are not limited to this.

[0084] In other embodiments, the text displayed on the ceiling screen can also be broadcast synchronously via the vehicle's voice system.

[0085] After completing the broadcast and angle adjustment, the system returns to the initial state (S100) and continues to monitor the vehicle's various detection values ​​in real time.

[0086] Obtain the member information of the current vehicle occupants, determine the relative position of the occupants and the ceiling screen based on the member information, and obtain the initial angle of the ceiling screen.

[0087] The safe angle of the ceiling screen is calculated based on the initial angle, relative position, and detection value, and the ceiling screen is controlled to rotate to the safe angle before returning to S100.

[0088] In some embodiments, the calculation method for the above safety angle is the same as the calculation method for the safety angle corresponding to the first driving hazard level, and will not be described in detail here.

[0089] In the above technical solution, the system flexibly displays different warning images according to different driving hazard levels, thereby enhancing the warning effect.

[0090] It should be noted that all the above preset values ​​can be set by those skilled in the art according to actual application needs, and are not limited to the examples above.

[0091] Example 2: See Figure 2 This application also provides a hazard warning and defense system, which employs the hazard warning and defense method described in Embodiment 1, and the system includes: The detection module is used to acquire the detection values ​​of the vehicle's gyroscope in real time.

[0092] The judgment module is used to obtain the current driving hazard level of the vehicle based on the detected value.

[0093] In some embodiments, the detection module and the judgment module are integrated into the MCU, so that the driving hazard level is obtained by the MCU and then transmitted to the host through the deserializer.

[0094] The warning and defense module is used to control the ceiling screen to broadcast the corresponding warning screen based on the driving hazard level, or to control the ceiling screen to broadcast the corresponding warning screen based on the driving hazard level and the detection value, and rotate it to the corresponding angle.

[0095] In some embodiments, the warning and defense module is the host, which controls the display and angle rotation of the warning screen on the ceiling-mounted screen.

[0096] The MCU, deserializer, and gyroscope are all integrated into the ceiling-mounted screen, which also integrates liquid crystal glass and bridge IC. The host integrates a serializer and a processor. The serializer receives the information transmitted by the deserializer and sends it to the processor for corresponding processing. Then, the serializer receives the processing result and returns it to the deserializer. The processing result is shown as the first warning screen, which is then transmitted to the liquid crystal glass for display via the bridge IC.

[0097] The liquid crystal glass is one of the core components of a liquid crystal display (LCD), and its surface is covered with a pixel array and electrodes for controlling the arrangement of liquid crystal molecules; it includes a substrate material, an electrode array, a TFT layer, a liquid crystal layer, and a polarizing plate.

[0098] The substrate material is typically made of ultra-thin glass, possessing excellent optical properties and mechanical strength. The electrode array includes row driving electrodes (gate lines) and column driving electrodes (source lines) used to control the switching state of each pixel. The TFT layer, or thin film transistor (TFT) layer, is located above the glass substrate, with one TFT corresponding to each pixel, used to precisely control the brightness and color display of the pixel. The liquid crystal layer consists of liquid crystal molecules filling the spaces between the electrodes; by applying an electric field, the arrangement of the molecules is adjusted, thereby changing the transmittance or reflectance of light to achieve image display. The polarizing plate includes an upper polarizing plate and a lower polarizing plate, used to control the polarization state of light to achieve the final image display.

[0099] A bridge chip is an integrated circuit typically used to connect interfaces of different types or specifications of electronic devices, solving compatibility issues between them. Bridge chips are usually designed for low power consumption and are suitable for portable devices and highly integrated electronic products. In this embodiment, the bridge chip is used for data transmission between the deserializer and the liquid crystal glass.

[0100] In the above technical solution, the detection module acquires the detection value of the vehicle's gyroscope in real time, ensuring comprehensive monitoring of the vehicle's motion status and dynamic changes, and improving the quality and accuracy of the data; the system can distinguish different levels of driving hazards, ensuring that corresponding countermeasures are provided in different driving situations; combined with the driving hazard level and detection value, the system can dynamically adjust the angle of the ceiling screen to ensure the safety of the occupants and avoid secondary injuries caused by collisions with the ceiling screen.

[0101] Example 3: This application also provides a storage medium storing a computer program, wherein the computer program is configured to execute the danger warning and defense method described in Embodiment 1 when running.

[0102] In some embodiments, the storage medium stores several computer programs to cause a vehicle to perform all or part of the steps of the methods described in various embodiments of this application.

[0103] The medium may include various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory, random access memory, magnetic disks, or optical disks.

[0104] Example 4: This application also provides a vehicle equipped with at least a hazard warning and defense system, as well as at least one gyroscope and at least one ceiling-mounted screen, to implement the hazard warning and defense method described in Embodiment 1.

[0105] In summary, this application provides a hazard warning and defense method, system, storage medium, and vehicle. The vehicle to which the method is applied is equipped with at least one gyroscope and at least one ceiling-mounted screen. First, the detection value of the vehicle's gyroscope is acquired in real time. Then, the driving hazard level of the vehicle is obtained based on the detection value. Further, based on the driving hazard level, the ceiling-mounted screen is controlled to display a corresponding warning image, or based on the driving hazard level and the detection value, the ceiling-mounted screen is controlled to display a corresponding warning image and rotate to a corresponding angle. This application can achieve real-time monitoring and early warning of driving risks; it provides corresponding visual warning information according to different driving hazard levels, ensuring that occupants receive different levels of warning according to the degree of danger, helping them to take timely countermeasures; it can also adjust the posture of the ceiling-mounted screen according to the actual situation, avoiding secondary injury to occupants due to the screen being fixed in place.

[0106] Although exemplary embodiments have been described herein with reference to the accompanying drawings, it should be understood that the above exemplary embodiments are merely illustrative and are not intended to limit the scope of this application. Various changes and modifications can be made therein by those skilled in the art without departing from the scope and spirit of this application. All such changes and modifications are intended to be included within the scope of this application as claimed in the appended claims.

[0107] Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0108] In the several embodiments provided in this application, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another device, or some features may be ignored or not executed.

[0109] The various component embodiments of this application can be implemented in hardware, or as software modules running on one or more processors, or a combination thereof. Those skilled in the art will understand that microprocessors or digital signal processors (DSPs) can be used in practice to implement some or all of the functions of some modules according to the embodiments of this application. This application can also be implemented as an apparatus program (e.g., a computer program and computer program product) for performing part or all of the methods described herein. Such an implementation of this application can be stored on a computer-readable medium, or can be in the form of one or more signals. Such signals can be downloaded from an Internet website, provided on a carrier signal, or provided in any other form.

[0110] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0111] Although the description of this application has been made in conjunction with the specific embodiments described above, it will be apparent to those skilled in the art that many substitutions, modifications, and variations can be made based on the foregoing. Therefore, all such substitutions, modifications, and variations are included within the spirit and scope of the appended claims.

Claims

1. A danger warning and defense method, characterized in that: The current vehicle is equipped with at least one gyroscope and at least one ceiling screen; the danger warning and defense method includes the following steps: S100: Acquire the detection value of the current vehicle gyroscope in real time; S200: Obtaining a driving risk level of the current vehicle according to the detection value; And, S300: based on the driving risk level, controlling the ceiling screen to broadcast a corresponding warning picture, or based on the driving risk level and the detection value, controlling the ceiling screen to broadcast a corresponding warning picture, and rotating to a corresponding angle.

2. The danger warning and defense method according to claim 1, characterized in that: The detection value includes at least acceleration and angular velocity; The acceleration includes at least X-axis acceleration, Y-axis acceleration and Z-axis acceleration; The angular velocity includes at least an X-axis angular velocity, a Y-axis angular velocity and a Z-axis angular velocity; The current vehicle forward direction is the positive direction of the X-axis, the right side of the current vehicle forward direction is the positive direction of the Y-axis, and the current vehicle bumping upward direction is the positive direction of the Z-axis.

3. The danger warning and defense method according to claim 2, characterized in that: The driving risk level includes at least a first driving risk level, a second driving risk level and a third driving risk level.

4. The danger warning and defense method according to claim 3, characterized in that: The S200 includes: Determining whether the X-axis angular velocity is greater than a preset angular velocity threshold, and if so, determining that the current vehicle is at a first driving risk level; If the X-axis angular velocity is less than or equal to the preset angular velocity threshold, determining whether there is an acceleration greater than the preset acceleration threshold among the X-axis acceleration, the Y-axis acceleration, and the Z-axis acceleration, and if so, determining that the current vehicle is at a second driving risk level; If there is no acceleration greater than the preset acceleration threshold, determine whether there is an acceleration greater than the preset acceleration threshold within the preset time and the number of occurrences is greater than or equal to the preset times. If so, determine that the current vehicle is in the third driving safety level; otherwise return to S100.

5. The danger warning and defense method according to claim 4, characterized in that: When the current vehicle is at the first driving risk level, the step S300 includes: Controlling the ceiling screen to broadcast a first warning screen corresponding to the first driving risk level; Acquire member information of a current vehicle member, determine the relative position of the member and the ceiling screen according to the member information, and acquire an initial angle of the ceiling screen; The safety angle of the ceiling screen is calculated according to the initial angle, the relative position and the detection value, and the ceiling screen is controlled to rotate to the safety angle, and the process returns to S100.

6. The danger warning and defense method according to claim 4, characterized in that: When the current vehicle is at the second driving risk level, the step S300 includes: The ceiling screen is controlled to broadcast the second warning picture corresponding to the second driving risk level, and the process returns to S100.

7. The danger warning and defense method according to claim 4, characterized in that: When the current vehicle is at the third driving risk level, the step S300 includes: Controlling the ceiling screen to broadcast a third warning picture corresponding to the third driving risk level; Acquire member information of a current vehicle member, determine the relative position of the member and the ceiling screen according to the member information, and acquire an initial angle of the ceiling screen; The safety angle of the ceiling screen is calculated according to the initial angle, the relative position and the detection value, and the ceiling screen is controlled to rotate to the safety angle, and the process returns to S100.

8. A danger warning and defense system, characterized in that: The system adopts the danger warning and defense method according to any one of claims 1 to 7, and the system comprises: A detection module is used to obtain the detection value of the current vehicle gyroscope in real time; A judgment module, used for obtaining the driving risk level of the current vehicle according to the detection value; The warning and defense module is used to control the ceiling screen to broadcast the corresponding warning picture based on the driving risk level, or to control the ceiling screen to broadcast the corresponding warning picture based on the driving risk level and the detection value, and rotate it to a corresponding angle.

9. A storage medium, characterized in that: The storage medium stores a computer program, wherein the computer program is configured to execute the danger warning and defense method according to any one of claims 1 to 7 when running.

10. A vehicle, characterized in that: The vehicle is equipped with at least a danger warning and defense system, as well as at least one gyroscope and at least one ceiling screen, so as to implement the danger warning and defense method as described in any one of claims 1-7.

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