A vehicle emergency state unlocking control method, system, device and storage medium

Abstract

The application discloses a vehicle emergency state unlocking control method, system, equipment and storage medium, and relates to the field of vehicle safety, and comprises the following steps: S1, judging whether to enter the unlocking trigger condition signal acquisition process in the vehicle emergency state; S2, if yes, acquiring multiple unlocking trigger condition signals of the vehicle in real time; S3, calculating an unlocking trigger condition comprehensive value according to the distribution weight and the confidence degree corresponding to the multiple unlocking trigger condition signals; S4, if the unlocking trigger condition comprehensive value is less than a preset trigger threshold, repeating steps S2 to S3; if the unlocking trigger condition comprehensive value is not less than the preset trigger threshold, generating a corresponding level unlocking instruction to unlock the vehicle. The application acquires multiple unlocking trigger condition signals, acquires the danger level of the vehicle from multiple dimensions, improves the accuracy of acquiring the danger level of the vehicle, and generates a more accurate corresponding level unlocking instruction, so that timely rescue is ensured and the risk of personnel casualty is reduced.

Description

Technical Field

[0001] This invention relates to the field of vehicle safety, and specifically to a vehicle emergency unlocking control method, system, device, and storage medium. Background Technology

[0002] With the rapid development of the automotive industry, vehicle safety performance has received increasing attention. As a crucial component of vehicle safety, the reliability of the door lock system directly impacts the safety of occupants. Statistics show that approximately 28% of injuries and fatalities in vehicle accidents are related to the inability of door locks to open properly. In the event of vehicle malfunction or an emergency, the ability of the door locks to unlock correctly becomes critical for escape and rescue. Traditional vehicle door lock systems primarily rely on manual unlocking or automatic unlocking triggered by a single condition.

[0003] However, multiple abnormal situations often occur when a vehicle is involved in an emergency. Manual operation or automatic unlocking mechanisms triggered by a single condition have low reliability in complex emergency situations, which can lead to delays in rescue and increase the risk of casualties. Summary of the Invention

[0004] This invention provides a vehicle emergency unlocking control method, system, device, and storage medium, which can solve the problem that the automatic unlocking mechanism triggered by manual operation or a single condition has low reliability in complex emergency situations, leading to rescue delays and increased risk of casualties.

[0005] In a first aspect, embodiments of the present invention provide a vehicle emergency unlocking control method, comprising the following steps: S1, the process of obtaining the unlocking trigger condition signal to determine whether the vehicle has entered an emergency state; S2, if so, then acquire multiple unlock trigger condition signals of the vehicle in real time; S3, calculate the comprehensive value of the unlock trigger condition based on the assigned weights and confidence levels of the multiple unlock trigger condition signals obtained; S4. If the comprehensive value of the unlocking trigger condition is less than the preset trigger threshold, repeat steps S2 to S3; if the comprehensive value of the unlocking trigger condition is not less than the preset trigger threshold, generate the corresponding level of unlocking command to unlock the vehicle.

[0006] In conjunction with the first aspect, in one implementation, the step of calculating the comprehensive value of the unlocking trigger condition based on the assigned weights and confidence levels corresponding to the acquired multiple unlocking trigger condition signals includes the following steps: The corresponding unlock trigger condition value is calculated based on the product of the assigned weight and the confidence level of each unlock trigger condition signal obtained. The summation of the unlock trigger condition values ​​of multiple unlock trigger condition signals yields the comprehensive unlock trigger condition value.

[0007] In conjunction with the first aspect, in one implementation, generating an unlock command at the corresponding level to unlock the vehicle if the comprehensive value of the unlock triggering conditions is not less than a preset triggering threshold includes the following steps: The vehicle's danger level is determined based on a comprehensive value of the unlock trigger conditions; The system generates an unlock command corresponding to the level of danger the vehicle is in to unlock it.

[0008] In conjunction with the first aspect, in one implementation, determining the vehicle's danger level based on the comprehensive value of the unlocking trigger conditions includes: When the combined value of the unlock trigger condition is greater than or equal to A and less than B, the vehicle is in a general danger level. When the combined value of the unlock trigger condition is greater than or equal to B and less than C, the vehicle is in a moderate danger level. When the combined value of the unlock trigger condition is greater than or equal to C and less than D, the vehicle is in a high-risk level. When the combined value of the unlock trigger condition is greater than or equal to D and less than E, the vehicle is in a catastrophic danger level. When the combined value of the unlock trigger condition is greater than or equal to E, the vehicle is in an extremely dangerous level.

[0009] In conjunction with the first aspect, in one implementation, the step of generating an unlocking command corresponding to the level of danger of the vehicle to unlock the vehicle includes the following steps: S421, controls the drive motor to unlock the vehicle according to the unlock command; S422, after a preset time interval, check whether the unlocking was successful: if yes, stop the emergency unlocking; if no, repeat step S421 until the number of repetitions reaches the preset number, then trigger the mechanical emergency unlocking.

[0010] In conjunction with the first aspect, in one embodiment, the drive motor includes: a main drive motor unit and a backup drive motor unit, wherein controlling the drive motor to unlock the vehicle according to the unlocking command includes the following steps: The vehicle is unlocked sequentially by controlling the main drive motor unit and the backup drive motor unit according to the unlocking command.

[0011] In conjunction with the first aspect, in one embodiment, the step of controlling the drive motor to unlock the vehicle according to the unlocking command further includes the following steps: Obtain the voltage value of the main power supply and determine whether the voltage value of the main power supply is greater than or equal to the preset voltage; If so, the main power supply is used to power the drive motor to unlock the vehicle; If not, use the backup power supply to power the drive motor and unlock the vehicle.

[0012] In conjunction with the first aspect, in one embodiment, the backup power source is an energy storage capacitor.

[0013] In conjunction with the first aspect, in one embodiment, the power of the backup power supply can be used to perform at least three vehicle unlocking operations.

[0014] In conjunction with the first aspect, in one implementation, after the preset time interval, it is detected whether the unlocking was successful: if yes, the emergency unlocking stops; if no, step S421 is repeated until the preset number of repetitions is reached, triggering the mechanical emergency unlocking, which includes the following steps: Trigger the coordinated rescue function and send out a rescue message.

[0015] In conjunction with the first aspect, in one implementation, the sending of rescue information includes: When the vehicle is in a general danger level, escape instructions will be issued via voice and display interface; When the vehicle is in a moderate danger level, escape instructions and audible and visual alarms will be issued via voice and display interface. When the vehicle is in a high-risk, catastrophic, or extreme-risk state, it will issue an audible and visual alarm and request assistance via the vehicle network.

[0016] In conjunction with the first aspect, in one implementation, the process of obtaining the unlocking trigger condition signal for determining whether a vehicle has entered an emergency state includes: If there are people inside the vehicle, and the vehicle is powered on and its speed is within the preset speed range, then the process for obtaining the unlocking trigger signal for the vehicle entering an emergency state is determined.

[0017] Secondly, embodiments of the present invention provide a vehicle emergency unlocking control system comprising: The judgment unit is used to determine whether the unlocking trigger condition signal has entered the vehicle emergency state. The acquisition unit is used to acquire multiple unlocking trigger condition signals of the vehicle in real time if the condition is true. The calculation unit is used to calculate the comprehensive value of the unlocking trigger condition based on the assigned weights and confidence levels of the multiple unlocking trigger condition signals acquired. The execution unit is used to execute the acquisition and calculation processes of the acquisition unit and the calculation unit if the comprehensive value of the unlocking trigger condition is less than the preset trigger threshold; and to generate the corresponding level of unlocking command to unlock the vehicle if the comprehensive value of the unlocking trigger condition is not less than the preset trigger threshold.

[0018] Thirdly, embodiments of the present invention provide a vehicle emergency unlocking control device, the vehicle emergency unlocking control device including a processor, a memory, and a vehicle emergency unlocking control program stored in the memory and executable by the processor, wherein when the vehicle emergency unlocking control program is executed by the processor, it implements the steps of the vehicle emergency unlocking control method.

[0019] Fourthly, embodiments of the present invention provide a computer-readable storage medium storing a vehicle emergency unlocking control program, wherein when the vehicle emergency unlocking control program is executed by a processor, it implements the steps of the vehicle emergency unlocking control method.

[0020] The beneficial effects of the technical solutions provided by the embodiments of the present invention include: This invention discloses a vehicle emergency unlocking control method, system, device, and storage medium. The vehicle emergency unlocking control method includes the following steps: S1, determining whether the vehicle has entered the unlocking trigger condition signal acquisition process for an emergency state; S2, if so, acquiring multiple unlocking trigger condition signals of the vehicle in real time; S3, calculating a comprehensive unlocking trigger condition value based on the assigned weights and confidence levels of the acquired multiple unlocking trigger condition signals; S4, if the comprehensive unlocking trigger condition value is less than a preset trigger threshold, repeating steps S2-S3; if the comprehensive unlocking trigger condition value is not less than the preset trigger threshold, generating an unlocking command of the corresponding level to unlock the vehicle. This invention, by acquiring multiple unlocking trigger condition signals, obtains the vehicle's danger level from multiple dimensions, improving the accuracy of obtaining the vehicle's danger level and generating more precise corresponding level unlocking commands, thereby ensuring timely rescue and reducing the risk of personal injury. Attached Figure Description

[0021] Figure 1 This is a flowchart illustrating an embodiment of the vehicle emergency unlocking control method of the present invention; Figure 2 For the present invention Figure 1 A detailed flowchart of step S3; Figure 3 For the present invention Figure 1 A detailed flowchart of step S4; Figure 4 For the present invention Figure 3 A detailed flowchart of step S42; Figure 5 This is a functional module diagram of an embodiment of the vehicle emergency unlocking control system of the present invention; Figure 6 This is a schematic diagram of the hardware structure of the vehicle emergency unlocking control device involved in the embodiment of the present invention. Detailed Implementation

[0022] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] The existing system has a single trigger condition, which cannot cover a variety of emergency situations and fault types; it lacks a comprehensive judgment of the vehicle status and may be triggered accidentally when it is not suitable to unlock; it relies on a single power supply, and cannot perform the unlocking operation when the main power fails; the unlocking actuator is not reliable enough, and cannot guarantee successful unlocking when the door lock itself fails; it lacks linkage with the rescue system, and cannot send a rescue signal in time after unlocking; and it cannot intelligently adjust the unlocking strategy according to the status of the people inside the vehicle.

[0024] like Figure 1 As shown, this embodiment of the invention discloses a vehicle emergency unlocking control method, including the following steps: S1, the process of obtaining the unlocking trigger condition signal to determine whether the vehicle has entered an emergency state; S2, if so, then acquire multiple unlock trigger condition signals of the vehicle in real time; S3, calculate the comprehensive value of the unlock trigger condition based on the assigned weights and confidence levels of the multiple unlock trigger condition signals obtained; S4. If the comprehensive value of the unlocking trigger condition is less than the preset trigger threshold, repeat steps S2 to S3; if the comprehensive value of the unlocking trigger condition is not less than the preset trigger threshold, generate the corresponding level of unlocking command to unlock the vehicle.

[0025] During vehicle operation, most of the time the vehicle is in a safe driving phase, with only a few in a dangerous phase. In order to save resources and avoid overuse of the vehicle emergency unlocking control system, the vehicle emergency unlocking control system is set with conditions for entering the unlocking trigger signal acquisition process in the vehicle emergency state. The vehicle emergency unlocking control system will only be activated when the vehicle meets the conditions for entering the unlocking trigger signal acquisition process in the vehicle emergency state, in order to acquire multiple unlocking trigger signal of the vehicle in real time.

[0026] To obtain the vehicle's status from multiple dimensions, the system is equipped with multiple unlocking trigger conditions, each corresponding to a dangerous situation of the vehicle. During real-time acquisition, the vehicle's emergency unlocking control system continuously acquires the unlocking trigger condition signals corresponding to all dangerous situations.

[0027] For example, in one embodiment, the vehicle emergency unlocking control system has nine dangerous situations Ti: door lock malfunction, collision event, water immersion, fire, serious malfunction, power supply abnormality, environmental abnormality, driver abnormality, and rollover. Of course, the number of dangerous situations can be set according to actual needs; these nine situations are just one example and are not a limitation on the invention.

[0028] A 1 indicates that the unlocking trigger signal corresponding to a dangerous situation has been obtained, and a 0 indicates that the unlocking trigger signal corresponding to a dangerous situation has not been obtained. The set of all obtained unlocking trigger signals can be represented as T = {T1 (door lock malfunction), T2 (collision event), T3 (water immersion), T4 (fire), T5 (serious malfunction), T6 (power supply failure), T7 (environmental failure), T8 (driver failure), T9 (rollover)}.

[0029] Each unlock trigger signal corresponds to an assigned weight Wi and a confidence level Pi. The confidence level set P = {P1, P2, P3, P4, P5, P6, P7, P8, P9} (0 ≤ Pi ≤ 1). The confidence level is determined by the sensor's accuracy; the higher the accuracy of the sensor in acquiring a particular unlock trigger signal, the larger the confidence level Pi. The assigned weight set W = {W1, W2, W3, W4, W5, W6, W7, W8, W9}, with the assigned weight Wi set according to the danger level of each corresponding hazardous situation.

[0030] Unlock trigger conditions are indicators used to determine the occurrence of danger. These conditions are calibrated based on individual dangerous situations actually occurring in the vehicle, and different vehicle models have different unlock trigger conditions. For example, the unlock trigger conditions calibrated for a certain vehicle model are as follows: Door lock malfunction: Abnormal current in the door lock motor and the lock body is not in the unlock position; Collision event: Collision acceleration ≥ 30g and duration ≥ 50ms; Submersion status: wading depth ≥10cm; Fire occurred: The temperature inside the vehicle was ≥70℃ and smoke was detected; Serious Failure: A fatal failure occurs in the powertrain, braking system, or steering system; Power supply abnormality: Low-voltage battery voltage ≤9V or charge ≤10%; Abnormal environment: The concentration of harmful gases inside the vehicle exceeds the standard or the oxygen concentration is below 19%; Driver abnormality: The driver's physiological indicators are abnormal and there is no operational response for more than 10 seconds; Rollover condition: Vehicle roll angle ≥ 45° and duration ≥ 2s.

[0031] The sensors used in the vehicle emergency unlocking control system include door lock status monitoring sensors, collision detection sensors, water immersion detection sensors, fire detection sensors, vehicle fault diagnosis sensors, power status monitoring sensors, environmental anomaly detection sensors, driver status monitoring sensors, and tilt angle detection sensors.

[0032] Door lock status monitoring sensors include door lock motor current sensors and lock body position sensors, which are used to detect mechanical or electrical faults in door locks; The collision detection sensor consists of a triaxial accelerometer and an airbag controller, which detects the intensity and direction of a vehicle collision. The water immersion detection sensor is a water level sensor installed at the bottom of the car door and chassis to detect whether the vehicle has fallen into water and the depth of immersion. Fire detection sensors are distributed in the engine compartment and crew compartment, including temperature and smoke sensors, to detect whether a fire has occurred. Vehicle fault diagnosis sensors acquire DTC fault codes from various vehicle systems via the CAN bus to determine if a serious fault exists. The power status monitoring sensor monitors the voltage and charge status of the low-voltage battery in real time; Environmental anomaly detection sensors include harmful gas sensors and oxygen concentration sensors to detect the air quality inside the vehicle. The driver condition monitoring sensor monitors the driver's physiological state through a biosensor on the steering wheel and a camera.

[0033] The tilt angle detection sensor detects the vehicle's tilt angle through an inertial measurement unit.

[0034] When the sensor acquires an unlock trigger condition signal that meets the unlock trigger condition, the corresponding unlock trigger condition signal is represented by 1; when no unlock trigger condition signal that meets the condition is acquired, the corresponding trigger condition signal is represented by 0.

[0035] After acquiring multiple unlocking trigger condition signals, the vehicle emergency unlocking control system calculates a comprehensive unlocking trigger condition value based on the assigned weights and confidence levels of these signals. It then determines whether this comprehensive value is less than a preset trigger threshold A: if the comprehensive value is less than A, the vehicle is in a safe state and unlocking control is not required; the system continues to acquire the vehicle's multiple unlocking trigger condition signals in real time. If the comprehensive value is greater than or equal to A, the vehicle is in an emergency state, and an unlocking command of the corresponding level is generated based on the comprehensive value to unlock the vehicle.

[0036] When a vehicle is in an emergency, the reliability of the drive motor unlocking the vehicle is affected by external factors. The higher the danger level of the vehicle, the higher the failure rate of the drive motor unlocking the vehicle. To improve the unlocking success rate, the number of unlocking attempts can be increased. The unlocking command can be set with a preset number of unlocking attempts based on different levels of danger. Furthermore, in one example, a normal fault level corresponds to one unlocking attempt, a moderate danger level corresponds to two unlocking attempts, and high danger, fatal danger, and extreme danger levels correspond to three unlocking attempts.

[0037] Furthermore, the unlocking command can also be a corresponding door opening strategy set according to different danger levels. For example, the normal fault level, the medium danger level, and the high danger level correspond to unlocking all doors, while the extreme danger level corresponds to unlocking all doors and the trunk.

[0038] The vehicle emergency unlocking control system acquires multiple unlocking trigger condition signals, reflecting the vehicle's hazard level from multiple dimensions. Based on the assigned weights and confidence levels of these signals, a comprehensive unlocking trigger condition value is calculated, quantifying the vehicle's hazard level numerically. Acquiring multiple signals covers all dangerous situations encountered during vehicle use, and calculating the comprehensive value summarizes the impact of all these situations on the vehicle's emergency status. Finally, based on this comprehensive value, a corresponding unlocking command is generated, ensuring greater accuracy. Obtaining the vehicle's hazard level from multiple dimensions provides greater precision and effectively prevents system misjudgments.

[0039] This invention obtains multiple unlocking trigger condition signals to acquire the vehicle's danger level from multiple dimensions, improving the accuracy of acquiring the vehicle's danger level and generating more precise corresponding unlocking commands to ensure timely rescue and reduce the risk of casualties.

[0040] like Figure 2 As shown, in one embodiment, calculating the comprehensive value of the unlocking trigger condition based on the assigned weights and confidence levels corresponding to the acquired multiple unlocking trigger condition signals includes the following steps: S31, calculate the corresponding unlock trigger condition value based on the product of the assigned weight and confidence level of each unlock trigger condition signal obtained; S32, sum the calculated unlock trigger condition values ​​of multiple unlock trigger condition signals to calculate the comprehensive unlock trigger condition value.

[0041] Calculate the combined value of the unlock trigger conditions using the following formula: (1) In the formula, This represents the combined value of the unlock trigger conditions.

[0042] Each unlock trigger condition signal corresponds to an unlock trigger condition value. .

[0043] For example, in one embodiment, the confidence set P = {0.91, 0.95, 0.92, 0.98, 0.95, 0.93, 0.97, 0.92, 0.95}; and the weight set W = {0.15, 0.2, 0.2, 0.2, 0.1, 0.05, 0.03, 0.04, 0.03}. When the vehicle emergency unlocking control system receives unlocking trigger condition signals corresponding to a collision event, a submersion in water, or a fire, the unlocking trigger condition signal set T = {0, 1, 1, 1, 0, 0, 0, 0, 0} is calculated. The comprehensive unlocking trigger condition value is then calculated according to formula (1). : 0.2 = 0.57 (2) This invention calculates the corresponding unlocking trigger condition value based on the magnitude of the impact of each unlocking trigger condition on the vehicle's danger level, and then sums the unlocking trigger condition values ​​for all unlocking trigger conditions to calculate a comprehensive unlocking trigger condition value. This allows for a more accurate assessment of the vehicle's danger level from multiple dimensions.

[0044] like Figure 3 As shown, in one embodiment, the step of generating an unlock command at the corresponding level to unlock the vehicle if the comprehensive value of the unlock triggering condition is not less than a preset triggering threshold includes the following steps: S41, determine the danger level of the vehicle based on the comprehensive value of the unlock trigger conditions; S42 generates an unlock command corresponding to the level of danger the vehicle is in to unlock the vehicle.

[0045] Based on the range of values ​​for the comprehensive unlocking trigger condition, the vehicle's emergency status is divided into multiple danger levels, each corresponding to a specific unlocking command. Once the vehicle's emergency unlocking control system calculates the corresponding comprehensive unlocking trigger condition value from the acquired signals, it can determine the vehicle's danger level based on this value. The system can then generate the appropriate unlocking command to unlock the vehicle.

[0046] This invention first determines the danger level of the vehicle, and then generates a corresponding unlocking command based on the danger level. The unlocking command is more targeted and can improve the efficiency of subsequent rescue.

[0047] In one embodiment, determining the vehicle's danger level based on the comprehensive value of the unlocking trigger conditions includes: when the comprehensive value of the unlocking trigger conditions is greater than or equal to A and less than B, the vehicle is at a general danger level; when the comprehensive value of the unlocking trigger conditions is greater than or equal to B and less than C, the vehicle is at a moderate danger level; when the comprehensive value of the unlocking trigger conditions is greater than or equal to C and less than D, the vehicle is at a high danger level; when the comprehensive value of the unlocking trigger conditions is greater than or equal to D and less than E, the vehicle is at a catastrophic danger level; and when the comprehensive value of the unlocking trigger conditions is greater than or equal to E, the vehicle is at an extreme danger level.

[0048] The range of values ​​for the unlock trigger condition is divided into five danger levels based on five value points: A, B, C, D, and E. Among them, A represents the preset trigger threshold.

[0049] At that time, the vehicle was in a general danger level; At that time, the vehicle was in a moderate danger level; At that time, the vehicle was in a high-risk category; At that time, the vehicle was in a mortal danger level; At that time, the vehicle was in an extremely dangerous situation.

[0050] Furthermore, in one embodiment, A=0.3, B=0.5, C=0.7, D=0.85, and E=0.95. The comprehensive values ​​of the unlocking trigger conditions corresponding to the danger level are as follows: At that time, the vehicle was in a general danger level; At that time, the vehicle was in a moderate danger level; At that time, the vehicle was in a high-risk category; At that time, the vehicle was in a mortal danger level; At that time, the vehicle was in an extremely dangerous situation.

[0051] When the vehicle emergency unlocking control system receives the unlocking trigger condition signal corresponding to a collision event, a submersion in water, or a fire, it calculates the comprehensive value of the unlocking trigger condition according to formula (2). Based on the range of hazard levels, it is possible to quickly determine whether a vehicle is at a moderate hazard level.

[0052] This invention sets a range of danger levels, and once the comprehensive value of the unlocking trigger condition is calculated, the danger level of the vehicle can be obtained.

[0053] like Figure 4As shown, in one embodiment, the step of generating an unlocking command corresponding to the level of danger of the vehicle to unlock the vehicle includes the following steps: S421, controls the drive motor to unlock the vehicle according to the unlock command; S422, after a preset time interval, check whether the unlocking was successful: if yes, stop the emergency unlocking; if no, repeat step S421 until the number of repetitions reaches the preset number, then trigger the mechanical emergency unlocking.

[0054] When a vehicle is in an emergency, the reliability of the drive motor unlocking the vehicle is affected by external factors. To improve the unlocking success rate, after controlling the drive motor to unlock the vehicle according to the unlocking command, the unlocking status is checked at preset intervals. If unlocking is successful, the unlocking is completed; if unlocking fails, the system will control the drive motor to unlock the vehicle again, and check the unlocking status again at preset intervals. If unlocking fails repeatedly during the repeated unlocking process, and the number of repetitions reaches a preset number, it can be determined that the drive motor unlocking has failed, at which point mechanical emergency unlocking is triggered. The preset interval is 2 seconds. Furthermore, the preset number of attempts is set to 3. If the drive motor fails to unlock the vehicle after 3 attempts, mechanical emergency unlocking is triggered.

[0055] In one embodiment, the drive motor includes a main drive motor unit and a backup drive motor unit. The step of controlling the drive motor to unlock the vehicle according to the unlocking command includes the following steps: controlling the main drive motor unit and the backup drive motor unit to unlock the vehicle sequentially according to the unlocking command.

[0056] Unlocking the vehicle's drive motors includes a primary drive motor unit and a backup drive motor unit. In step S421, each time the vehicle is unlocked according to the unlocking command, the primary drive motor unit is first controlled to unlock the vehicle, and then the backup drive motor unit is controlled to unlock the vehicle. By performing unlocking twice through the primary and backup drive motor units, this design ensures that the vehicle can be unlocked as long as either the primary or backup drive motor unit is functioning normally. This improves the success rate of unlocking in the event of a vehicle malfunction and enhances the reliability of the vehicle's emergency unlocking control system.

[0057] This invention further improves the vehicle unlocking success rate by setting up a primary drive motor unit and a backup drive motor unit.

[0058] In one embodiment, the step of controlling the drive motor to unlock the vehicle according to the unlocking command further includes the following steps: obtaining the voltage value of the main power supply, and determining whether the voltage value of the main power supply is greater than or equal to a preset voltage; if yes, then using the main power supply to power the drive motor and unlock the vehicle; if no, then using the backup power supply to power the drive motor and unlock the vehicle.

[0059] In the event of a vehicle malfunction, the main power supply may be damaged, preventing it from functioning properly. To ensure a stable power supply for unlocking the vehicle, this invention also includes a backup power supply. Both the main and backup power supplies can power the main and backup drive motor units within the drive motor. When controlling the drive motor to unlock the vehicle according to the unlock command, the output voltage of the main power supply is first checked. If the voltage of the main power supply is greater than or equal to a preset voltage, it indicates that the main power supply is normal, and the main power supply is used to power the drive motor and unlock the vehicle. If the output voltage of the main power supply is less than the preset voltage, it indicates that the main power supply is abnormal, and the backup power supply is used to power the drive motor and unlock the vehicle.

[0060] Furthermore, when the vehicle is powered on, the main power supply is also used to precharge the backup power supply. Once the backup power supply has finished charging, it remains in standby mode.

[0061] Furthermore, the preset voltage of the main power supply output voltage is 9V.

[0062] This invention, by setting up a backup power supply, can unlock the vehicle by supplying power to the drive motor when the main power supply fails, thereby improving the unlocking success rate.

[0063] In one embodiment, the backup power source is an energy storage capacitor.

[0064] The energy storage capacitor is powered by the main power supply when the vehicle is powered on, and stores electrical energy.

[0065] Furthermore, the backup power supply can also be a redundant backup power supply. Any power supply that can provide power to the drive motor when the main power supply fails can serve as a backup power supply.

[0066] In one embodiment, the backup power supply can be used to perform at least three vehicle unlocking operations.

[0067] Considering the possibility of drive motor unlocking failure, the backup power supply is configured to perform at least three vehicle unlocking operations to ensure that the drive motor can perform multiple unlocking operations and improve the unlocking success rate.

[0068] In one embodiment, after a preset time interval, it is checked whether the unlocking was successful: if yes, the emergency unlocking is stopped; if no, step S421 is repeated until the number of repetitions reaches a preset number. After triggering the mechanical emergency unlocking, the following steps are included: triggering the linkage rescue function and sending rescue information.

[0069] The linkage rescue function is triggered by the linkage rescue module, which includes: an audible and visual alarm unit, a vehicle network communication unit, and an in-vehicle prompt unit.

[0070] The audible and visual alarm unit sends out a distress signal by controlling the vehicle's hazard lights and horn. Furthermore, the hazard lights flash at a frequency of 1.5Hz, and the horn emits an intermittent alarm sound. The audible and visual alarm can send out a rescue signal to people near the vehicle when it breaks down. The vehicle-to-everything (V2X) communication unit sends distress information to preset emergency contacts and rescue centers via 4G / 5G networks. Furthermore, it can send rescue information including vehicle location, VIN code, triggering cause, and number of people in the vehicle via the V2X communication unit. It can also remotely send rescue signals to professional rescue personnel via the V2X communication unit. The in-vehicle prompting unit provides escape guidance to occupants through voice and display interfaces. When occupants are capable of self-rescue, the in-vehicle prompting unit can remind them to do so.

[0071] In order to provide timely assistance to vehicles in emergency situations, once the emergency unlocking is successfully executed or the mechanical emergency unlocking is triggered and it is determined that the vehicle is in a dangerous state, the linkage rescue function can be triggered to send a rescue message to notify relevant personnel or units to rescue the people in the vehicle in a timely manner.

[0072] This invention, by setting up a linkage rescue function, can send out rescue information through the linkage rescue module after determining that the vehicle is in a dangerous state, so as to provide timely rescue to the people in the vehicle.

[0073] In one embodiment, issuing rescue information includes: issuing escape guidance via voice and display interface when the vehicle is at a general danger level; issuing escape guidance and sound and light alarm via voice and display interface when the vehicle is at a moderate danger level; and issuing sound and light alarm and issuing rescue via vehicle network when the vehicle is at a high danger level, a lethal danger level, or an extreme danger level.

[0074] The survival threat to occupants varies depending on the level of danger a vehicle is in. This invention provides corresponding rescue strategies for each level of danger, enabling precise rescue of occupants based on the specific danger level of the vehicle. This avoids delays in rescuing occupants due to inaccurate rescue strategies and also prevents excessive rescue efforts that waste human and material resources.

[0075] When the vehicle is in a general danger level, escape instructions will be issued via voice and display interface. If the occupants are uninjured or only slightly injured and have the ability to save themselves, the corresponding rescue strategy is to issue escape instructions via voice and display interface, prompting occupants to evacuate the vehicle.

[0076] When the vehicle is at a moderate level of danger, escape guidance and audible and visual alarms will be issued through voice and display interface. When the vehicle is at a moderate level of danger, the people in the vehicle may be injured but not seriously and are not in life-threatening danger. At this time, the people in the vehicle can get out of danger through self-rescue or with the help of others nearby. The corresponding rescue strategy is to issue escape guidance and audible and visual alarms through voice and display interface. When a vehicle is in a highly dangerous, lethal, or extremely dangerous situation, an audible and visual alarm will be triggered, and a rescue request will be sent via the vehicle network. If the vehicle is in a highly dangerous, lethal, or extremely dangerous situation, and the occupants are seriously injured or even in life-threatening condition, requiring rescue from others to escape danger, the corresponding rescue strategy is to trigger an audible and visual alarm and send a rescue request via the vehicle network.

[0077] This invention categorizes rescue information according to the danger level of the vehicle, which can avoid delays in rescuing people in the vehicle due to inaccurate rescue strategies, and also avoid excessive rescue that wastes manpower and resources.

[0078] In one embodiment, the process of obtaining the unlocking trigger condition signal for determining whether the vehicle has entered an emergency state includes: if there is someone in the vehicle, and the vehicle is powered on and the speed is within a preset speed range, then the process of obtaining the unlocking trigger condition signal for determining whether the vehicle has entered an emergency state is included.

[0079] During vehicle use, the vehicle is in a safe state most of the time. To prevent resource waste, the vehicle emergency unlocking control system is configured with conditions for obtaining the unlock trigger signal. The unlock trigger signal acquisition process will only begin after the vehicle meets the corresponding conditions. The preset vehicle speed range is 0 km / h to 8 km / h.

[0080] Furthermore, the BCM obtains the vehicle's power status to determine whether the vehicle is powered on; the seat pressure sensor, infrared sensor, and in-vehicle camera are used to comprehensively determine whether there are people inside the vehicle; and the ABS system obtains vehicle speed information to determine whether the vehicle speed is within the preset speed range.

[0081] This invention determines the acquisition process for the unlock trigger signal by simultaneously ensuring that the vehicle has people inside, is powered on, and is within a preset speed range. This reduces the activation time of the acquisition process and saves resources.

[0082] Furthermore, the vehicle emergency unlocking control system also has a reset mechanism. When the vehicle emergency unlocking control system sends a rescue request, it will reset to its initial state after receiving a rescue confirmation signal or if the alarm continues for more than 10 minutes. Receiving a rescue confirmation signal means that the distress signal has been received, while an alarm continuing for more than 10 minutes can be assumed that the distress signal has been received by people around the vehicle, and the single rescue signal transmission is complete, at which point preparation can begin for the next emergency.

[0083] Furthermore, after the mechanical emergency unlocking is completed, the vehicle's emergency unlocking control system is reset. When the mechanical emergency unlocking is triggered, if someone performs the mechanical emergency unlocking, it means that the door has been opened by the people inside the vehicle or rescue personnel. At this point, the emergency unlocking action is complete, and preparations can be made for the next emergency.

[0084] Furthermore, after triggering the mechanical emergency unlock, the vehicle emergency unlock control system also generates a fault code indicating that the control drive motor failed to unlock the vehicle. After the mechanical emergency unlock is completed, the fault code is stored for analysis of the reasons for the failure to unlock the vehicle by controlling the drive motor, so as to improve the vehicle emergency unlock control system in the future.

[0085] The present invention has the following advantages: Full-scenario coverage: This invention covers a variety of emergency situations such as door lock malfunction, collision, falling into water, fire, serious malfunction, and power abnormality, and has a wider range of applicability compared to existing technologies.

[0086] High reliability: Through the design of backup drive motor and backup power supply, as well as multiple unlocking mechanisms, reliable unlocking is ensured even under extreme conditions, solving the problem of unlocking failure in existing technologies.

[0087] Intelligent judgment: The introduction of a precondition judgment mechanism avoids accidental locking when driving at high speed or when no one is around, thus improving the security and rationality of the system.

[0088] Active rescue: After unlocking, it automatically triggers an audible and visual alarm and sends rescue information, shortening the rescue response time and increasing the chances of survival.

[0089] Human-machine collaboration: By providing in-vehicle prompts to guide personnel in evacuation, the system effectively combines automated operation with proactive evacuation.

[0090] High compatibility: It can be adapted to various vehicle types such as fuel vehicles, electric vehicles, and hybrid vehicles without the need for large-scale modification of the vehicle structure.

[0091] Self-diagnostic capability: The system has a fault self-diagnostic function, which can promptly detect and record its own abnormalities, facilitating maintenance and improvement.

[0092] Secondly, embodiments of the present invention also provide a vehicle emergency unlocking control system.

[0093] In one embodiment, reference is made to Figure 5 , Figure 5 This is a functional module diagram of an embodiment of the vehicle emergency unlocking control system of the present invention. Figure 5 As shown, the vehicle emergency unlocking control system includes: The judgment unit is used to determine whether the unlocking trigger condition signal has entered the vehicle emergency state. The acquisition unit is used to acquire multiple unlocking trigger condition signals of the vehicle in real time if the condition is true. The calculation unit is used to calculate the comprehensive value of the unlocking trigger condition based on the assigned weights and confidence levels of the multiple unlocking trigger condition signals acquired. The execution unit is used to execute the acquisition and calculation processes of the acquisition unit and the calculation unit if the comprehensive value of the unlocking trigger condition is less than the preset trigger threshold; and to generate the corresponding level of unlocking command to unlock the vehicle if the comprehensive value of the unlocking trigger condition is not less than the preset trigger threshold.

[0094] Furthermore, the calculation unit includes: an unlock trigger condition value calculation subunit and an unlock trigger condition comprehensive value calculation subunit.

[0095] The unlock trigger condition value calculation subunit calculates the unlock trigger condition value corresponding to each detected unlock trigger condition signal based on the product of the assigned weight and the confidence level.

[0096] The unlock trigger condition comprehensive value calculation subunit is used to calculate the unlock trigger condition comprehensive value based on the sum of the unlock trigger condition values ​​corresponding to each monitored unlock trigger condition signal.

[0097] The functions of each module in the above-mentioned vehicle emergency unlocking control system correspond to the steps in the above-mentioned vehicle emergency unlocking control method embodiment, and their functions and implementation processes will not be described in detail here.

[0098] This invention obtains multiple unlocking trigger condition signals to acquire the vehicle's danger level from multiple dimensions, improving the accuracy of acquiring the vehicle's danger level and generating more precise corresponding unlocking commands to ensure timely rescue and reduce the risk of casualties.

[0099] Thirdly, embodiments of the present invention provide a vehicle emergency unlocking control device, which can be a personal computer (PC), laptop computer, server or other device with data processing capabilities.

[0100] like Figure 6 , Figure 6 This is a schematic diagram of the hardware structure of a vehicle emergency unlocking control device according to an embodiment of the present invention. In this embodiment, the vehicle emergency unlocking control device may include a processor, a memory, a communication interface, and a communication bus.

[0101] The communication bus can be of any type and is used to interconnect the processor, memory, and communication interface.

[0102] The communication interface includes input / output (I / O) interfaces, physical interfaces, and logical interfaces used for interconnecting internal components of the vehicle emergency unlocking control device, as well as interfaces used for interconnecting the vehicle emergency unlocking control device with other devices (such as other computing devices or user equipment). Physical interfaces can be Ethernet interfaces, fiber optic interfaces, ATM interfaces, etc.; user equipment can be displays, keyboards, etc.

[0103] Memory can be various types of storage media, such as random access memory (RAM), read-only memory (ROM), non-volatile RAM (NVRAM), flash memory, optical storage, hard disk, programmable ROM (PROM), erasable PROM (EPROM), electrically erasable PROM (EEPROM), etc.

[0104] The processor can be a general-purpose processor, which can call the vehicle emergency unlocking control program stored in the memory and execute the vehicle emergency unlocking control method provided in the embodiments of the present invention. For example, the general-purpose processor can be a central processing unit (CPU). The method executed when the vehicle emergency unlocking control program is called can be referred to in various embodiments of the vehicle emergency unlocking control method of the present invention, and will not be repeated here.

[0105] Those skilled in the art will understand that Figure 6 The hardware structure shown does not constitute a limitation of the invention and may include more or fewer components than shown, or combine certain components, or have different component arrangements.

[0106] Fourthly, embodiments of the present invention also provide a computer-readable storage medium.

[0107] The present invention provides a computer-readable storage medium storing a vehicle emergency unlocking control program, wherein when the vehicle emergency unlocking control program is executed by a processor, it implements the steps of the vehicle emergency unlocking control method described above.

[0108] The method implemented when the vehicle emergency unlocking control procedure is executed can be referred to in various embodiments of the vehicle emergency unlocking control method of the present invention, and will not be repeated here.

[0109] It should be noted that the sequence numbers of the above embodiments of the present invention are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments.

[0110] The terms "comprising" and "having," and any variations thereof, in the specification, claims, and accompanying drawings of this invention are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to such processes, methods, products, or apparatus. The terms "first," "second," and "third," etc., are used to distinguish different objects, etc., and do not indicate a sequence, nor do they limit "first," "second," and "third" to different types.

[0111] In the description of the embodiments of the present invention, terms such as "exemplary," "for example," or "for instance" are used to indicate that they are examples, illustrations, or descriptions. Any embodiment or design that is described as "exemplary," "for example," or "for instance" in the embodiments of the present invention should not be construed as being more preferred or advantageous than other embodiments or designs. Specifically, the use of terms such as "exemplary," "for example," or "for instance" is intended to present the relevant concepts in a specific manner.

[0112] In the description of the embodiments of the present invention, unless otherwise stated, " / " means "or". For example, A / B can mean A or B. "And / or" in the text is merely a description of the relationship between related objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, A and B exist simultaneously, and B exists alone. In addition, in the description of the embodiments of the present invention, "multiple" means two or more.

[0113] In some processes described in the embodiments of the present invention, multiple operations or steps are included in a specific order. However, it should be understood that these operations or steps may not be executed in the order they appear in the embodiments of the present invention, or may be executed in parallel. The sequence number of the operation is only used to distinguish different operations, and the sequence number itself does not represent any execution order. In addition, these processes may include more or fewer operations, and these operations or steps may be executed sequentially or in parallel, and these operations or steps may be combined.

[0114] Through the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus necessary general-purpose hardware platforms. Of course, they can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) as described above, and includes several instructions to cause a terminal device to execute the methods described in the various embodiments of the present invention.

[0115] The above are merely preferred embodiments of the present invention and do not limit the scope of the patent. Any equivalent structural or procedural transformations made based on the description and drawings of the present invention, or direct or indirect applications in other related technical fields, are similarly included within the scope of patent protection of the present invention.

Claims

1. A vehicle emergency unlocking control method, characterized in that, Includes the following steps: S1, the process of obtaining the unlocking trigger condition signal to determine whether the vehicle has entered an emergency state; S2, if so, then acquire multiple unlock trigger condition signals of the vehicle in real time; S3, calculate the comprehensive value of the unlock trigger condition based on the assigned weights and confidence levels of the multiple unlock trigger condition signals obtained; S4. If the combined value of the unlocking trigger condition is less than the preset trigger threshold, repeat steps S2 to S3. If the combined value of the unlock trigger conditions is not less than the preset trigger threshold, an unlock command of the corresponding level will be generated to unlock the vehicle.

2. The vehicle emergency unlocking control method according to claim 1, characterized in that, The step of calculating the comprehensive value of the unlocking trigger condition based on the assigned weights and confidence levels of the multiple unlocking trigger condition signals includes the following steps: The corresponding unlock trigger condition value is calculated based on the product of the assigned weight and the confidence level of each unlock trigger condition signal obtained. The summation of the unlock trigger condition values ​​of multiple unlock trigger condition signals yields the comprehensive unlock trigger condition value.

3. The vehicle emergency unlocking control method according to claim 1, characterized in that, If the comprehensive value of the unlocking trigger condition is not less than a preset trigger threshold, an unlocking command of the corresponding level is generated to unlock the vehicle, including the following steps: The vehicle's danger level is determined based on a comprehensive value of the unlock trigger conditions; The system generates an unlock command corresponding to the level of danger the vehicle is in to unlock it.

4. The vehicle emergency unlocking control method according to claim 3, characterized in that, The determination of the vehicle's danger level based on the comprehensive value of the unlock trigger conditions includes: When the combined value of the unlock trigger condition is greater than or equal to A and less than B, the vehicle is in a general danger level. When the combined value of the unlock trigger condition is greater than or equal to B and less than C, the vehicle is in a moderate danger level. When the combined value of the unlock trigger condition is greater than or equal to C and less than D, the vehicle is in a high-risk level. When the combined value of the unlock trigger condition is greater than or equal to D and less than E, the vehicle is in a catastrophic danger level. When the combined value of the unlock trigger condition is greater than or equal to E, the vehicle is in an extremely dangerous level.

5. The vehicle emergency unlocking control method according to claim 4, characterized in that, The process of generating an unlock command corresponding to the vehicle's hazard level to unlock the vehicle includes the following steps: S421, controls the drive motor to unlock the vehicle according to the unlock command; S422, after a preset time interval, check whether the unlocking was successful: if yes, stop the emergency unlocking; if no, repeat step S421 until the number of repetitions reaches the preset number, then trigger the mechanical emergency unlocking.

6. The vehicle emergency unlocking control method according to claim 5, characterized in that, The drive motor includes a main drive motor unit and a backup drive motor unit. The step of controlling the drive motor to unlock the vehicle according to an unlocking command includes the following steps: The vehicle is unlocked sequentially by controlling the main drive motor unit and the backup drive motor unit according to the unlocking command.

7. The vehicle emergency unlocking control method according to claim 5, characterized in that, The step of controlling the drive motor to unlock the vehicle according to the unlocking command also includes the following steps: Obtain the voltage value of the main power supply and determine whether the voltage value of the main power supply is greater than or equal to the preset voltage; If so, the main power supply is used to power the drive motor to unlock the vehicle; If not, use the backup power supply to power the drive motor and unlock the vehicle.

8. The vehicle emergency unlocking control method according to claim 7, characterized in that: The backup power source is an energy storage capacitor.

9. The vehicle emergency unlocking control method according to claim 7, characterized in that: The backup power supply has enough power to perform at least three vehicle unlocking operations.

10. The vehicle emergency unlocking control method according to claim 5, characterized in that, After a preset time interval, it is checked whether the unlocking was successful: if yes, the emergency unlocking stops; if no, step S421 is repeated until the preset number of repetitions is reached. After triggering the mechanical emergency unlocking, the following steps are included: Trigger the coordinated rescue function and send out a rescue message.

11. The vehicle emergency unlocking control method according to claim 10, characterized in that, The dispatch of rescue information includes: When the vehicle is in a general danger level, escape instructions will be issued via voice and display interface; When the vehicle is in a moderate danger level, escape instructions and audible and visual alarms will be issued via voice and display interface. When the vehicle is in a high-risk, catastrophic, or extreme-risk state, it will issue an audible and visual alarm and request assistance via the vehicle network.

12. The vehicle emergency unlocking control method according to claim 1, characterized in that, The process for obtaining the unlocking trigger condition signal for determining whether a vehicle has entered an emergency state includes: If there are people inside the vehicle, and the vehicle is powered on and its speed is within the preset speed range, then the process for obtaining the unlocking trigger signal for the vehicle entering an emergency state is determined.

13. A vehicle emergency unlocking control system, characterized in that, include: The judgment unit is used to determine whether the unlocking trigger condition signal has entered the vehicle emergency state. The acquisition unit is used to acquire multiple unlocking trigger condition signals of the vehicle in real time if the condition is true. The calculation unit is used to calculate the comprehensive value of the unlocking trigger condition based on the assigned weights and confidence levels of the multiple unlocking trigger condition signals acquired. The execution unit is used to execute the acquisition and calculation processes of the acquisition unit and the calculation unit if the comprehensive value of the unlocking trigger condition is less than the preset trigger threshold. If the combined value of the unlock trigger conditions is not less than the preset trigger threshold, an unlock command of the corresponding level will be generated to unlock the vehicle.

14. A vehicle emergency unlocking control device, characterized in that, The vehicle emergency unlocking control device includes a processor, a memory, and a vehicle emergency unlocking control program stored in the memory and executable by the processor, wherein when the vehicle emergency unlocking control program is executed by the processor, it implements the steps of the vehicle emergency unlocking control method as described in any one of claims 1 to 12.

15. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a vehicle emergency unlocking control program, wherein when the vehicle emergency unlocking control program is executed by a processor, it implements the steps of the vehicle emergency unlocking control method as described in any one of claims 1 to 12.

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