60results about How to "Reduce road accidents" patented technology

The invention relates to an aided driving system based on a collision early-warning algorithm, and belongs to the technical field of computer vision and intelligent aided driving. The system comprises a detection and distance measurement module which collects road condition information in the driving process of an automobile through a camera, and carries out the detection, recognition and distance measurement of an obstacle through a YOLOv3 model; a collision early-warning module which is used for carrying out the collision prediction classification, calculating the time required by collision, giving early-warning judgment in time and carrying out early-warning broadcast on a driver; a positioning module which is used for acquiring driving position information of the vehicle by utilizing GPS/IMU integrated navigation, automatically switching the system to an IMU for positioning when a GPS signal is lost, and switching the system to GPS positioning again when the GPS signal is normal; and a GUI display and cloud video backup module which is used for displaying the identification video stream, the driving state and the map software annotation information in real time and carrying out cloud backup. According to the invention, the prediction precision and real-time performance of the auxiliary driving system can be improved.

The invention discloses a smartband and a vehicle control method based on the same. The smartband is designed to send a verification code to a vehicle-mounted base station for authentication when entering an automobile recognition area, after authentication by the vehicle-mounted base station is successful, an inquiry instruction whether a vehicle door is opened or not is sent to the smartband, and the vehicle door is automatically controlled to be opened after an instruction of opening the vehicle door fed back by the smartband is received; after the smartband detects the getting-off action of a user, prompt information is given out if an instruction of locking the door is still not received after the set time passes or the user is away from a vehicle beyond the set distance, and the user is reminded to lock the vehicle door. According to the smartband and the vehicle control method based on the same, the function of an electronic key is integrated to the smartband, so that the smartband has the functions of controlling door opening and door locking of the vehicle and is convenient to carry and not prone to being lost; meanwhile, authentication limit of vehicle start and use is enhanced, and thus the anti-theft function of the vehicle is enhanced.

This invention discloses thermoforming spoke technique and comprises steps: blanking, chamfering, rolling, welding, grinding, expanding, heating, forming, lathing center hole, punching screw hole, lathing surface and end face, trimming and packaging. It increases the utilization of steel material and economic benefit, decreases cost, enhances intensity of stretch-proofing and resistance to bending, and prolongs service life.

The invention discloses a fibre grating stress sensing train positioning and real-time tracking system which is insensitive to temperature. The system of the invention is characterized in that a plurality of fibre grating stress sensors (A211...A21n)...(A211...A21n) with different central wavelengths are embedded just below one steel rail of each line of the railway with the interval of 100-500 meters. A broadband light source (A10) is connected with a fast optical switch (A20) and a first fibre grating stress sensor (A211...a2m1); a final fibre grating stress sensor (A21n...A2mn) is connected with an optical amplifier (A30), a wavelength-division element (A41), a high-speed optical switch (A42), an O/E converter (A43), a digital signal processing module (A44), a host computer (A45), as well as a server (A47) and a large screen (A46) which memorize three-dimensional electronic maps. The fibre grating stress sensing train positioning and real-time tracking system is suitable for the positioning and real-time tracking of the high-speed railway trains.

The invention discloses an automotive acoustic damping component and a production method and application thereof. The automotive acoustic damping component comprises an isolation anti-sticking layer, a glue damping layer, a flame-retardant acoustic cotton layer, and a porous acoustic film covering layer. The production method includes: selecting flame-retardant acoustic cotton, feeding, die-cutting the flame-retardant acoustic cotton in shape according to the shape of an automobile part, covering the die-cut flame-retardant acoustic cotton layer with porous acoustic film, hot-pressing and sealing the porous acoustic film layer into a die-cut part, punching and quilting the die-cut part, coating joint faces of the die-cut part and the automobile part with glue, and finally combining with the isolation anti-sticking layer. The automotive acoustic damping component applied to automobile bodies, automobile trunks and automobile engine covers has the advantages that when an automobile runs, vibration energy can be absorbed and running noise of the automobile can also be absorbed; the automobile is more comfortable for passengers, driving noise fatigue is reduced, traffic accidents are decreased, and automobile interior air odor pollution is never caused.

The invention belongs to the technical field of traffic safety, and discloses a method for quantifying a behavior risk of a driver in a highway tunnel environment. The method comprises the steps: collecting the real-time speeds of corresponding speed sampling points when each driver passes through a tunnel entrance segment, a tunnel travelling segment, a tunnel exit segment and a common highway segment, and enabling the real-time speeds to serve as the subjective expected vehicle speeds of the drivers; obtaining the vehicle speed of each driver at a 50 position of each segment; calculating the highest and lowest safety vehicle speeds of each segment; obtaining an objective safety vehicle speed according to the highest and lowest safety vehicle speeds of each segment; obtaining the safety vehicle speed difference of each driver at the corresponding speed sampling points of each segment according to the subjective expected vehicle speed and objective safety vehicle speed of each driver at the corresponding speed sampling point of each segment, and enabling the safety vehicle speed difference to serve as a behavior risk quantification index of the corresponding driver, wherein the larger safety vehicle speed difference at the corresponding speed sampling point indicates the higher behavior risk of the driver at the speed sampling point of the corresponding segment.

A rearview mirror apparatus consisting of wide range rearview mirror having cover (1), holder (2) and hanger (3) for providing a full rearview for vehicle drivers.

The present invention belongs to the field of vehicle tires, and particularly relates to an anti-piercing and anti-gas-leakage tire. In the prior art, the existing tire is easily pierced after the tire contacts the sharp object so as to cause gas release or even bursting. In order to overcome the disadvantage in the prior art, the present invention provides an anti-piercing and anti-gas-leakage tire, wherein an anti-piercing layer closely attached to a tire inner side layer is arranged in a parallel manner, the anti-piercing layer and the tire inner side layer are closely attached but not adhered, and the air of the gas high pressure zone and the tire inner side layer is sealed and isolated through the anti-piercing layer to form the air isolation zone, wherein the gas high pressure zone and the tire inner side layer are communicated through a tire valve. According to the present invention, when the sharp object pierces the outer tire, the tip bears against the anti-piercing layer, and the anti-piercing is made from the piercing-resistant material and is in the easy deformation state, such that the sharp object tip can not pierce the anti-piercing layer so as to protect the high pressure gas inside the tire from leakage; and the anti-piercing and anti-gas-leakage tire can be used in vehicles, electric vehicles, tractors, armored vehicles, tanks, engineering trucks, motorcycles, storage battery cars, bicycles, and other fields using inflatable tires.

An optical-power-off combination left handle sleeve for electric bicycles is composed of a handle and a photoelectric seat and is characterized in that the right end of the handle is provided with a photoelectric seat fitting area; the right edge of the handle is provided with a step; a borehole of the handle mates with a bicycle handlebar; the photoelectric seat is positioned on the right of thehandle; a conical hole of the photoelectric seat is fitly connected with the photoelectric seat fitting area of the handle, and through limiting of the step of the handle, the conical hole of the photoelectric seat is radially and externally peripherally provided with or locally provided with a photoelectric fixing hole mating with a photoelectric receiving device; the photoelectric receiving device is mounted on the photoelectric fixing hole.

The invention discloses a distance light device for a vehicle and relates to the technical field of illuminating devices for vehicles. The distance light device comprises a light source body, a parabolic reflector and a light shading piece. The inner wall of the parabolic reflector is a parabolic face. The light source body is arranged at the focal position of the inner wall of the parabolic reflector. The light shading piece is arranged above the axis of the parabolic reflector in a vertical or inclined manner through a support. The face, facing the light source body, of the light shading piece is a matte face. According to the distance light device for the vehicle, part of light rays which are originally and directly emitted from the light source body through the upper portion of an end opening of the parabolic reflector in a straight manner are shaded through the light shading piece, glaring light is eliminated, and the situation that eyes of drivers driving near in the opposite direction or in front in the same direction are harmed is avoided; meanwhile, the distance light function of the distance light device for the vehicle is not influenced, and on the premise that the distance light device for the vehicle has the distance light function, harm to the eyes of the drivers is avoided; and the probability that traffic accidents are caused due to misuse of headlights on full beam is lowered.

The invention discloses a high beam information sharing device for an automobile. The high beam information sharing device comprises a light sensation device, a positioning device and a reminding terminal, wherein the light sensation device is arranged at the front end of the automobile and is used for collecting the high beam information within a preset high beam angle scope in real time and transmitting to a preset cloud server; the positioning device is used for detecting a street coordinate of the automobile in real time and transmitting to the cloud server; the cloud server is used for matching the street coordinate with a cloud terminal map, confirming a street position corresponding to the street coordinate and periodically and respectively sending the matching information of the street position matched with the high beam information to the reminding terminal of the whole automobile connected with the cloud server; the reminding terminal is used for reminding the received matching information in the manner of voice or image. Through the high beam information sharing device for the automobile, the driver can know the automobiles which turn on the high beam on nearby streets in real time and the driver can be on the alert, so that the driving safety can be increased. The invention also discloses the automobile including the high beam information sharing device and a high beam information sharing system.

The invention provides a safety monitoring method and device in intelligent driving, electronic equipment and a storage medium, and the method comprises the steps: obtaining a first image of a current vehicle in a driving direction, and determining obstacle information and lane line curvature information according to the first image; acquiring a second image of the current vehicle in the vehicle, and determining driver state information according to the second image, wherein the driver state information is used for representing the contact state of hands and a steering wheel; determining a target tracking result according to the obstacle information, the lane line curvature information and the driver state information, wherein the target tracking result is used for representing whether to give an alarm or no; identifying a specific dangerous scene encountered by the vehicle by analyzing an image in front of the vehicle, detecting a steering wheel holding state of a driver by analyzing an image in the vehicle, and then judging whether the steering wheel holding state is safe or not according to the specific dangerous scene; and in an unsafe scene, sending a prompt to a driver, so the safe driving of the vehicle is improved, and road accidents are reduced.

The invention relates to a mechanical power-off device for a handle sleeve of an electric vehicle, which consists of a hand handle, a fixed contact plate, an elastic contact plate and a rubber pad, itis characterized that the center position of the radial peripheral surface of the handle is fixed with a fixed contact plate, with the fixed contact as the center, the radial surface of the handle ismade into a straight fixed connection elastic contact, the rubber pad is fixed in the distance between the left and right sides of the fixed contact plate and the two outer ends of the elastic contact plate, the fixed contact plate and elastic contact plate are connected with wire, the wire is connected with the controller, and according to the feedback signal, a normal opening or normal closingcommand to the motor is made by the controller chip.

The invention relates to a high-precision overloading-protecting automobile super-unbalanced overloading detector which comprises an automobile body connecting plate (A), a stay wire displacement sensor (B), a connecting steel wire (C), an overloading protection mechanism assembly (D), a rear axle steel plate spring connecting plate (E) and a mechanism fastening device (F), wherein the overloading protection mechanism assembly (D) is connected with the stay wire displacement sensor (B) through the connecting steel wire (C), the stay wire displacement sensor (B) is connected to the automobile body connecting plate (A) through a bolt (1) and connected with side beams at two sides of an automobile frame through the automobile body connecting plate (A), the overloading protection mechanism assembly (D) is connected with the rear axle steel plate spring connecting plate (E) through the mechanism fastening device (F), and the rear axle steel plate spring connecting plate (E) is connected tosteel plate springs at two sides of the rear axle. The high-precision overloading-protecting automobile super-unbalanced overloading detector has the advantages of test accuracy and high precision and can judge the super-unbalanced overloading state of automobiles; and the detector is also provided with an overloading protector, has low cost, is easy to popularize, and ensures safe running of theautomobiles.