427 results about "Vehicle safety" patented technology

A method for transmitting a technical fault affecting the safety of a motor vehicle is implemented by a processor and comprises the steps of: collecting (201) via a diagnostic module a technical fault of the vehicle affecting its safety; informing (205) the user of the fault; recording (203) the fault along with a deadline for repair; if the fault is not corrected by the deadline, sending (211) an alert message to a monitoring server. A device for transmitting a technical fault affecting the safety of a motor vehicle and a motor vehicle comprising the device are also described. Figure to be published with the abbreviation: Fig 2

This application discloses a door hinge device with a buffer function, aiming to solve the problems of existing door hinges being easily impacted, severely worn, and having a short structural lifespan during frequent and rapid opening and closing. The device includes a mounting base, a hinge arm, a hinge pin, and a hydraulic cylinder. The two ends of the hydraulic cylinder are eccentrically arranged relative to a first rotation axis defined by the hinge pin, allowing for passive extension and retraction during door opening or closing to provide buffering damping. A rolling bearing is installed between the hinge pin and the hinge arm to reduce friction and extend service life. Anti-wear pads are installed between the hinge arm and the mounting base to reduce direct contact wear. The cylinder body of the hydraulic cylinder is fixedly connected to the hinge arm, and the push rod is connected to a lug plate on the mounting base via a rotating joint, thereby improving the overall structure's buffering energy absorption capacity, stability, and durability. This technical solution can significantly reduce impact loads, improve the smoothness of door opening and closing, and enhance overall vehicle safety performance.

This invention relates to the field of vehicle body structure technology and provides a vehicle body structure and a vehicle. The vehicle body structure of this invention includes a frame structure located below the front floor panel; the frame structure is connected between the left and right side door sill beams, and a battery pack mounting area is formed in the frame structure, with battery pack mounting points provided on the frame structure; a fuel tank mounting area is formed on the rear side of the frame structure, and a fuel tank mounting point for mounting the fuel tank is provided at the rear of the frame structure. The vehicle body structure of this invention not only increases the structural rigidity of the battery pack mounting location on the vehicle body and increases the collision force transmission channel in the area where the battery pack is located, but also allows the fuel tank to be separated from the battery pack. Furthermore, in the event of a collision, the frame structure transmits the collision force to the surrounding structure, protecting the fuel tank and thus improving the overall vehicle safety performance.

A method for controlling the actuation of an actuable restraint in response to a vehicle rollover event includes detecting whether the vehicle (12) is engaged in off-road driving. The method further includes determining whether the vehicle (12) is experiencing a rollover event (99), which, if the vehicle is engaged in on-road driving, would guarantee the actuation of the actuable restraint (20). The method further includes actuating the actuable restraint (20) in response to determining that a roll acceleration (D RATE) of the vehicle (20) indicates that the roll event is continuing. A vehicle safety system (10) includes an actuable restraint and a controller (50) configured to control the actuation of the actuable restraint according to the method.

The application provides a vehicle control method and a vehicle, and belongs to the technical field of vehicle control. The vehicle control method comprises the following steps: obtaining a traffic risk level of a road section in front of the vehicle and current state information of the vehicle, and the vehicle is provided with an active suspension; determining a target response strategy based on the traffic risk level and the current state information; and controlling the vehicle to execute the target response strategy, wherein the target response strategy comprises a height adjustment strategy of the active suspension. Thus, different traffic risk levels are divided according to the road conditions of the road section in front of the vehicle, and different target response strategies are provided in combination with the current state information of the vehicle, for example, direct traffic, traffic after height adjustment, or detouring in the case that there is still a risk of scratching after adjustment. Therefore, the vehicle intelligently and objectively controls the corresponding target response strategy based on different traffic risk levels and the current state of the vehicle, timely and effectively prevents scratching during vehicle driving, and improves vehicle safety.

The application discloses a kind of anti-network attack's multi-vehicle safety platoon control method and system, the method first establishes multi-vehicle queue dynamics model;Second, design fuzzy state observer to estimate vehicle state and unknown nonlinear dynamics;Then, introduce funnel function to build time-varying performance boundary, and the double constraints of vehicle anti-collision and keep communication are converted into funnel constraints of spacing tracking error;Then, based on backstepping method and funnel performance error, design virtual controller and adaptive law, and obtain adaptive safety controller to obtain control input;Finally, through Lyapunov stability analysis, the tolerance threshold condition that system can still maintain final consistent bounded stable after suffering replay attack is quantitatively obtained.The application simplifies design through funnel control, avoids complex barrier lyapunov function, and for the first time clearly provides quantified anti-interference ability to replay attack, enhances the network security and practicality of multi-vehicle queue system.

This utility model relates to the field of vehicle safety and discloses a truck wheel axle auxiliary device, comprising: an external connecting rod installed between the tires; a threaded connection at the rear end of the external connecting rod to an inner bearing tire fixing plate, and a fixing screw installed inside the inner bearing tire fixing plate, the fixing screw being connected to the tire hub; and an easily adjustable expansion mechanism provided at the front end of the external connecting rod. The fixing screw is set at an equal angle on the inner bearing tire fixing plate. An inner connecting rod is connected to the internal slot of the external connecting rod. This truck wheel axle auxiliary device is used to replace a failed wheel axle, assisting towed vehicles and improving rescue efficiency. By linking the rear axle of the vehicle to the auxiliary device and installing the vehicle tires, it achieves a replacement assistance function, solving problems such as slow towing speed, road surface damage, and cornering displacement, increasing vehicle towing speed without causing road surface damage, and is applicable to various road surfaces.

The application provides a vehicle security starting method and system based on post-quantum cryptography, and relates to the technical fields of vehicle electronic control and vehicle network security. The method is applied to an ECU of a vehicle, the ECU is pre-stored with public key information based on a post-quantum cryptographic algorithm and stores an image package containing a post-quantum cryptographic digital signature; the method comprises the following steps: in response to the power-on of the ECU, loading the image package, separating original image data and the digital signature therefrom; determining a cryptographic hash value of the original image data; based on the public key information, performing a signature verification operation of the post-quantum cryptographic algorithm on the hash value and the digital signature; and controlling the starting process of the ECU according to the result of the signature verification operation. The application reconstructs the trust chain of the vehicle by using the post-quantum cryptographic algorithm, and implements quantum security signature verification at the vehicle end, which effectively ensures that the software integrity and authenticity can still be effectively verified under the quantum computing environment, thereby providing full-life-cycle security protection for intelligent networked vehicles.

The application discloses a vehicle seat occupancy detection method and system and a storage medium, and relates to the technical field of vehicle intelligent detection. The method comprises the following steps: in response to an opening operation of a target vehicle door, camera sensing data in a preset time period is acquired, wherein the camera sensing data is used to represent vital sign object information sensed by a surround-view camera of a target vehicle within a preset range of the target vehicle door; and based on the camera sensing data and seat pressure sensor data, the occupancy of a vehicle seat corresponding to the target vehicle door is determined, wherein the seat pressure sensor data is used to represent force information of the vehicle seat sensed by a seat pressure sensor of the target vehicle. The application solves the technical problem that the accuracy of vehicle seat occupancy detection in the related art is low, and thus the vehicle safety reminder function cannot be effectively triggered to ensure passenger safety.

The application relates to a method and device for expressing driving information by vehicle light language, a vehicle and a storage medium, wherein the method comprises the following steps: obtaining driving information input by a driver when the vehicle is in a light language expression working condition; querying a light language expression table based on the driving information to obtain an optimal light language expression type and an optimal light language expression mode matched with the driving information; and simultaneously controlling at least one of a vehicle logo light, a width display light, a brake light, a steering light and a warning light of the vehicle to be turned on based on the optimal light language expression type, and performing a light action in the optimal light language expression mode. According to the application, the optimal light language expression type and expression mode matched with the driving information input by the driver are obtained to control the vehicle to turn on corresponding lights and perform a light action in the optimal light language expression mode, so that the information of the driver, passengers and vehicle safety can be effectively reflected by the vehicle light language, reliable driving basis is provided for other vehicles, and the reliability and safety of the vehicle are greatly improved.

An apparatus and safety system usable in, responding to an unauthorized possession of a vehicle configured to transport at least one person, including a vehicle safety system associated therewith, the safety system including to at least one of: a) device to generate at least one form of detectable signal and; b) a device to generate an electronic signal; and c) an apparatus which generates an input to cause the system to generate at least one of: i) the at least one form of detectable audible signal that can be sensed by persons in the vicinity of the vehicle; ii) the electronic signal; and iii) the at least one image of a person in / on the vehicle. The system is configured so that at least one of the at least one form of detectable signal, the electronic signal, and the at least one image is generated after a time delay following the generation of the input to the safety system. The device to generate an electric signal and the system are protected in a protective case.

This invention relates to an autonomous driving control system and a vehicle. The autonomous driving control system includes an autonomous driving intelligent controller and a vehicle controller, which are communicatively connected. The system also includes a drive-by-wire controller and a safety redundancy controller. The drive-by-wire controller is communicatively connected to both the autonomous driving intelligent controller and the vehicle controller, and the safety redundancy controller is also communicatively connected to both. The drive-by-wire controller sends a braking command to the vehicle controller when it detects an anomaly in the autonomous driving intelligent controller, and the safety redundancy controller sends a braking command to the vehicle controller when it detects an anomaly in the drive-by-wire controller. Based on this invention, the autonomous driving control system can solve the vehicle safety problem caused by the lack of effective detection of anomalies in the autonomous driving intelligent controller in existing autonomous vehicles.

This invention provides a non-sensory driving fatigue monitoring system and method based on BeiDou and multi-source sensor data fusion, belonging to the field of vehicle safety early warning technology. The system includes: an on-board multimodal sensing unit, a BeiDou positioning and communication unit, an edge data fusion processing unit, and an early warning and feedback unit. This invention utilizes the on-board multimodal sensing unit and the BeiDou positioning and communication unit to acquire multi-source non-sensory data and vehicle driving data respectively. The edge data fusion processing unit calculates the environmental risk coefficient based on the vehicle driving data and extracts physiological behavioral feature vectors from the multi-source non-sensory data to calculate a basic fatigue score. Finally, it fuses the environmental risk coefficient and the basic fatigue score to calculate a comprehensive risk score. The early warning and feedback unit executes tiered early warning actions. This invention can accurately identify fatigue states at an early stage, exhibiting high robustness and intelligence, thus improving the proactive protection capabilities for driving safety.

The application discloses a kind of complex scene-based multi-scale context and channel attention collaborative unmanned aerial vehicle safety inspection detection method and device, comprising: the image of being detected target is photographed by unmanned aerial vehicle image acquisition equipment;The image of being detected target is input into deep learning network model, and the target class, position and confidence are output;Among them, the deep learning network model includes backbone feature extraction network, neck feature extraction network, hierarchical dense residual attention module, multi-scale context perception down-sampling module and deep separable detection head;The backbone feature extraction network receives image, and outputs multiple scale feature maps;The neck feature extraction network receives backbone output, and carries out feature fusion;The deep separable detection head receives neck output, and carries out target prediction.The application improves computational efficiency and real-time performance.

The application discloses a vehicle safety belt device and a vehicle safety system, which comprise a safety belt, a winding device and a monitoring module. The monitoring module is used for monitoring the length of the pulling-out and winding of the safety belt, so as to judge whether the wearing mode of the safety belt is correct, for example, whether a passenger wears the safety belt and whether the safety belt is correctly worn. By monitoring the pulling-out length of the safety belt, the size of the passenger's body can be judged. When a collision occurs, corresponding safety belt burst points and airbag burst points can be burst, so that better protection is provided for the passenger. By monitoring the pulling-out length of the safety belt, the current sitting posture of the passenger can be judged. When a collision occurs, the posture and displacement of the passenger can be judged by monitoring the pulling-out and winding length of the safety belt, and whether the safety belt is normally actuated can be judged, so that a basis is provided for accident analysis.

This application provides a protective structure for a seatbelt reminder sensor, relating to the field of vehicle safety device technology. It includes: a sheet having a connecting end that divides a first region and a second region along its length, the width of the first region being greater than the width of the second region; a connecting wire with a terminal portion connected to the second region of the connecting end; and a sealing block covering the terminal portion and the second region, with the sealing block covering at least a portion of the first region, allowing the sealing block to form an opening along its width direction at a position corresponding to the first region. This application provides a protective structure for a seatbelt reminder sensor that can form an opening at the sealing block, allowing the sheet to bend synchronously when bent, increasing the bending angle of the sheet and extending the service life of the seatbelt reminder sensor.

The application discloses a driving behavior risk assessment method, device, equipment and computer program product, comprising: acquiring vehicle driving parameters, vehicle safety system states, road images and external environmental factors of a target vehicle in a first historical period; identifying multiple target moments of high-risk driving operations of the target vehicle according to the vehicle driving parameters, inputting the vehicle safety system states, road images and external environmental factors corresponding to the target moments into a pre-trained driving scene recognition model to obtain target driving scenes; determining high-risk driving behavior events of the target moments according to the target driving scenes and operation types of the corresponding high-risk driving operations; and assessing a driving behavior risk level of the target vehicle according to the distribution of the high-risk driving behavior events in the first historical period, and generating driving behavior improvement suggestions. The application can help drivers improve driving habits, reduce accident risks and improve driving safety, and can be applied to the technical field of vehicle monitoring.

The utility model discloses a kind of hidden sliding structure's automobile mechanical key, including upper cover, lower cover and key blade, key blade can be connected in lower cover;Upper cover can be slid along lower cover and be connected in lower cover, to seal key blade in upper cover and lower cover.In the utility model provided mechanical key, upper cover can be slid and locked in lower cover, to seal key blade in upper cover and lower cover, to avoid key tooth shape information leakage, prevent potential vehicle safety and theft hidden danger.Different from conventional buckle connection structure, sliding locking structure can be taken out key blade by sliding upper cover, lower cover again by customer.Upper mentioned sliding structure can be taken out key blade by sliding upper cover, lower cover directly compared with conventional buckle structure, without additional tool to pry, so it can effectively improve customer experience, avoid damage to key appearance and internal structure.

This invention relates to the field of vehicle safety technology, and more particularly to a vehicle hazard warning signal device control system based on risk situation prediction. The system includes an acquisition module, a compensation module, a judgment module, a control module, an early warning module, and an adjustment module. This invention actively compensates for stability control parameters in the early stages of cargo slippage. When compensation fails, it analyzes lateral acceleration and vehicle speed to identify signs of lateral impact and emergency braking. Based on the degree of off-center loading, brake thermal state, and lateral force, it limits engine torque output. In low-risk phases, it maintains a regular sampling frequency and provides early warnings based on parameter change trends. Simultaneously, based on the intervention effect and angular velocity difference fluctuation self-calibration threshold, it effectively solves the problems of difficulty in early suppression of rollover and loss of control, and driver exposure to secondary accident risks, caused by the lack of vehicle instability prediction and active intervention, and the reliance on manually placed markers for malfunction stopping.

This application relates to a vehicle risk avoidance method and electronic device, belonging to the field of vehicle technology. The vehicle risk avoidance method includes: when the vehicle is parked and an animal recognition event is detected, acquiring animal status information and personnel location information, wherein the animal recognition event indicates the presence of a dangerous animal target within a preset area around the vehicle, and the animal status information is determined based on the state of the dangerous animal target; the personnel location information is used to represent the relative position between the personnel associated with the vehicle and the vehicle; determining a target risk avoidance strategy based on the animal status information and personnel location information; and controlling the vehicle to execute the target risk avoidance strategy. This application establishes a complete risk avoidance process from risk perception to targeted risk avoidance strategy formulation, and then to automatic execution of the risk avoidance strategy, enabling vehicles to provide users with proactive warnings and risk avoidance assistance in outdoor scenarios such as camping, thereby reducing the safety risks posed by dangerous animals in outdoor environments.

This invention discloses an intelligent vehicle window safety control system and method based on vital sign monitoring, relating to the field of automotive safety technology. The system includes a vehicle lock detection module, a vital sign determination module, a window control module, and a multi-level safety response control module. The vehicle lock detection module detects whether the vehicle is locked. The vital sign determination module uses non-contact multi-source sensors to determine the presence of vital signs inside the vehicle when it is locked. The window control module controls the blackening function of the electrochromic window glass based on the vital sign determination result. The multi-level safety response control module executes a progressive safety response strategy from basic to advanced when vital signs are detected. This invention aims to achieve real-time and accurate monitoring of vital signs inside the vehicle, dynamic window control, and multi-level risk intervention, thereby improving vehicle safety and reliability.

This invention discloses a temperature-controlled openable / closed automotive wheel hub cover and a vehicle thereof. The hub cover includes a cover body with ventilation openings on its surface. One side of the ventilation opening is covered and connected to a blade via a connecting shaft. A temperature-controlled drive assembly is also connected to the end of the blade connecting shaft. One end of the temperature-controlled drive assembly is connected to the cover body, and the other end is connected to the blade. The beneficial effects of this invention are: reduced wind resistance: when the vehicle is cruising normally and the braking system temperature is low, the blade panel remains in the closed position. At this time, the wheel hub opening is covered, effectively reducing air resistance. Enhanced heat dissipation: when the vehicle brakes, causing the system to heat up, the heat transferred to the temperature-controlled drive assembly will drive the blade panel to the open position. At this time, an opening is formed at the wheel hub, providing forced air cooling to the brake disc. Improved vehicle safety: when the vehicle deceleration exceeds a threshold, emergency braking will be triggered, forcibly activating heat dissipation, thereby preventing the braking system from failing due to overheating and guiding the system to a preset safe state.

This utility model discloses a novel prestressed concrete railway sleeper, comprising a sleeper body laid on the railway track bed, a reinforcing cage inside the sleeper body for increasing strength, two diagonally distributed "J"-shaped pre-embedded bolt assemblies located inside the sleeper body and extending upwards to both sides of the rail mounting position, two diagonally distributed fixing holes on the upper surface of the sleeper body located on both sides of the rail mounting position, a steel base fixed to the upper surface of the sleeper body by the pre-embedded bolt assemblies, and a steel pad installed on the upper end of the steel base through the fixing holes. This novel prestressed concrete railway sleeper effectively improves the track geometry retention capacity and load-bearing strength of the sleeper body; moreover, the two-layer steel plate structure has suitable deformation capacity, attenuating the impact energy transmitted to the concrete sleeper, greatly reducing the ballast pulverization rate, and ensuring safe vehicle operation.

The utility model relates to an optical distributed geometric shape change collision sensor and vehicle, above-mentioned sensor includes: optical device and control circuit module. Optical device is used to be laid in the target main body in the vehicle that needs to carry out shape change monitoring. Control circuit module is separated and is laid with optical device, and has optical path connection between optical device. Among them, control circuit module contains: light source device, light sensor device and controller. Light source device is used to produce and output light signal to optical device, exports to light sensor device after carrying out optical path transmission via optical device, and light sensor device is used to determine the on-off state of optical path according to the receiving information of light signal, controller is connected with light source device and light sensor device, and in the case that the on-off state of optical path indicates that the optical path is disconnected under the condition that the preset degree of shape change occurs, triggers the control of controller to the control of vehicle door unlocking. The sensor can directly perceive geometric shape change and trigger the control of vehicle door unlocking, and can effectively improve the security of vehicle.

The application discloses a vehicle safety control method and device and a vehicle, and relates to the technical field of automobiles. A specific embodiment of the method comprises the following steps: determining whether a power battery of a vehicle is in a thermal runaway state according to a battery parameter of the power battery and a vehicle image collected by a vehicle-mounted camera; in the case where it is determined that the power battery is in a thermal runaway state, controlling a radar arranged on a power battery guard to scan a region near the power battery; in the case where no obstacle is detected in the region near the power battery, disconnecting a power supply circuit of the power battery and switching to a power supply circuit of a backup battery; cutting off a connection harness of the power battery and the vehicle, and ejecting the power battery to the ground, so that the power battery is separated from the vehicle body; and acquiring road condition information through the vehicle-mounted camera and the vehicle-mounted radar, and controlling the vehicle to drive to an emergency parking point. The embodiment can actively prevent and realize vehicle safety, and effectively reduce vehicle loss.

The purpose of the present invention is to provide a compact safety brake for a railway vehicle. A safety brake (100) for a railway vehicle according to the present disclosure is provided with: a braking shaft (1) in at least part of which screw thread is formed; a braking unit (2) for holding the braking shaft (1) at a predetermined angle of rotation if rotation of a wheel (29) of the railway vehicle is not decelerated, and relaxing the hold on the braking shaft (1) if rotation of the wheel (29) is decelerated; a first support section (10) for rotatably supporting the braking shaft (1); a braking coil spring (19) for pressing the first support section (10) if rotation of the wheel (29) is not decelerated; a second support section (14) for supporting the braking coil spring (19) at a position facing the first support section (10); and a linear motion unit (17) that is contained in the braking coil spring (19) and is in contact with the screw thread of the braking shaft (1), and is connected to the second support section (14) and causes the second support section (14) to move rectilinearly toward the wheel (29) to decelerate rotation of the wheel (29).

An airbag cushion of a vehicle airbag device has a bottom surface on the structure side, a restraining surface on the occupant side, a side surface connecting the bottom surface and the restraining surface, and a recess part formed in a prescribed range in the center of the restraining surface, recessed in the direction of the bottom surface. The range extending from the side surface of the airbag cushion to at least a portion of the restraining surface is formed by a side panel. The side panel includes a plurality of subpanels that are divided in the circumferential direction of the side surface. Each of the subpanels has a pair of side edges, joined to an adjacent subpanel, a first edge on the restraining surface side, and a second edge on the bottom surface side. The first edge is shorter than the second edge.

The application discloses a new energy bus remote OTA upgrading control method and system, a storage medium and a terminal, relates to the vehicle software operation and maintenance technical field, and mainly aims to solve the problem that the existing OTA upgrading is prone to system risks. Mainly includes responding to the OTA upgrading instruction issued by the OTA cloud platform, performing vehicle safety state evaluation; in the case that the vehicle safety state evaluation is passed, verifying and decrypting the encrypted upgrading package carried by the software upgrading instruction, and generating an OTA mode message after the upgrading package verification is passed; the OTA mode message is respectively issued to the vehicle body control system and the vehicle control system to trigger the vehicle body control system and the vehicle control system to respectively perform OTA mode safety condition checking; after receiving the positive safety checking result of the vehicle body control system and the vehicle control system, the vehicle is controlled to enter the OTA mode, and is upgraded according to the upgrading package. It is mainly used for remote OTA upgrading of new energy buses.

The utility model relates to a sightseeing vehicle technical field, concretely relates to a kind of tourist sightseeing vehicle safety early warning protection device, including vehicle body, the top of vehicle body is provided with the protection component for the protection when vehicle body is about to impact barrier, protection component includes two connecting barrels fixedly connected in the top of vehicle body, and the one end of connecting barrel is slidably connected with anti-collision plate, the top of vehicle body is provided with alarm component, the utility model is provided with protection component and alarm component, and it has passive protection and early warning function in the process of driving sightseeing vehicle, when the front end of vehicle is about to contact barrier, anti-collision plate in the front of vehicle is compressed under stress simultaneously, can rotate through connecting structure drive gear set and drive alarm structure action, realize the buffer energy absorption and synchronous sound early warning to barrier, avoid the collision risk caused by the driver due to blind area or inattention.