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.

The invention is used for shooting a road condition scene in a driving process into a video; the road condition scene shot in the video is extracted through an image identification technology and a similarity comparison technology; the road condition scene and a pre-stored electronic map are subjected to similarity comparison; when one point in the road condition scene has the highest similarity as a certain point in the electronic map, the point is a current position of a user; a navigation path is generated according to the current position of the user and a destination coordinate; a navigation prompt is provided for the user according to the navigation path. By adopting a video navigation technology, the problem that the utilization of traditional GPS (Global Position System) navigation is relatively complicated is greatly simplified and the efficiency of identifying the direction in a driving process is improved; when the user uses the video navigation, the user only needs to input the destination, so that the user can conveniently utilize the video navigation and the driving accidents are effectively reduced.

The invention relates to a monitoring technology of an operation behavior of an automobile driver and discloses a measuring apparatus for an operation behavior on a pedal by a driver and a monitoring method thereof. The measuring apparatus comprises: a camera, wherein the camera is fixed on a base plate of a cab and a lens of the camera is headed to an accelerator pedal, a brake pedal, and a clutch pedal and is used for simultaneously collecting motion images of the three above-mentioned pedals; a video collection card, which is electrically connected with the camera and is used for transmitting the motion images of the three above-mentioned pedals; a computer, which is electrically connected with the video collection card and is used for receiving the motion images from the video collection card and comparing and determining actual positions of the three pedals according to foot image positions of a driver at different times to obtain a name of the pedal that is operated by the driver and operation time of the pedal, wherein the foot image positions are obtained by image processing; In addition, the monitoring method comprises the following steps: pedal position calibration; calibration on a column gray scale threshold of a pedal, image collection, image preprocessing, and determination and record on a driving behavior.

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 method of dynamically adjusting road speed limit, a terminal, and a computer readable storage medium. The method of dynamically adjusting road speed limit comprises the stepsof obtaining the road condition data monitored by a road condition monitoring device at each preset time interval, wherein the road condition monitoring device is disposed at two sides of the currentroad; sending the road condition data to a preset data platform, and receiving the current speed limit value calculated based on the road condition data and sent by the preset data platform; displaying the current speed limit value on a preset display screen, wherein the display screen is disposed at the vehicle-entering side of the current road and has a preset distance from the entrance of thecurrent road. The invention is advantageous in that the speed limit value of the current road can be dynamically adjusted based on real-time road condition, appropriate driving suggestion can be provided for drivers, and driving accidents can be reduced.

The invention discloses a control method of car lamp orientations. The method includes the steps that the turning angle of a steering wheel of a vehicle and the facial image of a driver are obtained; based on the turning angle, whether or not the vehicle is in a linear driving state is judged; if yes, posture computation operation is carried out on the facial image, and the head orientation and eye gazing direction of the driver are obtained; based on the head orientation and the eye gazing direction, a corresponding control instruction is generated and issued, so that the orientation of car lamps of the vehicle is adjusted by a car lamp orientation controller based on the control instruction. According to the control method, when the vehicle is in the linear driving state, the car lamp orientations are correspondingly adjusted based on some collected information, so that the driver is helped to gain a better field of view, occurrence of driving accidents is greatly reduced, and the driving safety is fully ensured. Meanwhile the invention further discloses an information processing device and a control system of the car lamp orientations, and the information processing device and the control system of the car lamp orientations have the above advantages.

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.

The invention relates to a special-effect reflective coating and a preparation method thereof. The special-effect reflective coating comprises the following components in parts by weight: 20-40 partsof reflective powder, 2-4 parts of a dispersing agent, 19-27 parts of a solvent, 31-37 parts of cellulose resin, 18-24 parts of acrylic resin, 0.4-0.8 part of a leveling agent and 0.8-1.3 parts of ananti-settling agent. The reflective powder with relatively large particle size is mainly adopted, the prepared reflective coating is strong in reflective effect, good in covering power, convenient toconstruct and suitable for different substrates, can be independently used, can also be added into a color masterbatch for mixing and color mixing, generates an obvious reflective effect when lamplight irradiates the surface of a reflective paint part at night, and plays a role in safety prompt. The reflective coating can be widely applied to reflective coating of automobile parts, road engineering, traffic signboards, outdoor advertisement signboards, highway toll stations, underground parking lots and the like.

The invention relates to a safety monitor device for a rail tank car. The car comprises a positioning communication data processing module, a power supply and a measurement module for measuring the medium physical quantity inside a tank, wherein the power supply and the measurement module are connected with the positioning communication data processing module respectively. The invention provides the safety monitor device for the rail tank car with strong safety and high reliability.

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.

The invention relates to the field of vehicle-mounted control systems, in particular to a vehicle-mounted pressure sensing interactive system. The vehicle-mounted pressure sensing interactive system comprises a sensor unit, a control unit and a communication unit. The sensor unit comprises at least two pressure sensors distributed at the edge of a steering wheel or a steering wheel cover. The control unit comprises an amplification circuit and a micro-processor. The amplification circuit is used for amplifying pressure signals collected by the pressure sensors. The micro-processor is used for processing the pressure signals. The communication unit is connected with the micro-processor and comprises a circuit interface and / or a wireless transmission module which is / are interconnected with a vehicle-mounted computer or an external terminal. The vehicle-mounted interaction system provided by the invention is designed to be pressure sensing-type and can be used without affecting the normal driving habit of a driver and a safety driving mode. Information from the vehicle-mounted system or a mobile phone and other intelligent terminals can be effectively processed during a driving process so that safety driving is guaranteed.

The invention relates to the technical field of vehicle safety driving methods, in particular to a method for making a driver adapt to light intensity change and a system of the method. The method includes the following steps that whether a vehicle is about to travel into or out of a tunnel or not is judged; if the vehicle is about to travel into the tunnel, the transmission of light is adjusted by electrochromic glass at the constant speed, and light in the vehicle is gradually reduced until the light intensity in the vehicle is identical to that in the tunnel; and if the vehicle is about totravel out of the tunnel, the transmission of light is adjusted by the electrochromic glass at the constant speed, and light in the vehicle is gradually increased until the light intensity in the vehicle is identical to that out of the tunnel. The method for making the driver adapt to the light intensity change and the system of the method are provided. By the adoption of the provided technical scheme, the technical problem that the driver needs adaption time for the human eyes when the vehicle travels out of the tunnel, so that potential driving safety hazards exist is solved.

The invention relates to the technical field of vehicle-road cooperation, in particular to a ramp afflux-in and afflux-out early warning system, which comprises the following components: C1, a vehicle detection triggering unit: when a vehicle runs on a ramp, a thunder-sight fusion all-in-one machine sends out an early warning signal, and finally, the early warning signal is respectively transmitted to a vehicle early warning prompt unit and an RSU data communication unit through two information links; C2, a vehicle early-warning prompt unit: a control panel receives a control signal from the LORA receiving end, an LED information board is linked to pop up early-warning text information, and warning is given out to passing vehicles; C3, a RSU data communication unit: when the RSU data communication unit receives the data, the data are respectively sent to a vehicle-mounted OBU and a cloud platform, the vehicle-mounted OBU broadcasts early warning information, and the cloud platform further processes the data; after the ramp vehicle normally passes, the early warning signal disappears, the LED information board does not pop out early warning text information any more, and the RSU data communication unit does not broadcast the early warning information any more.

The invention discloses a truck escape ramp, and aims to provide the truck escape ramp which can be constructed in a complex terrain to improve the traffic safety. The truck escape ramp includes a tunnel type brake lane penetrating a mountain body, wherein the entrance of the brake lane is connected with a traffic lane through an approach road, the exit of the brake lane extends out of the mountain body and is then connected to a service lane on the outer surface of the mountain body, and the service lane extends along the surface of the mountain body and is then connected onto the approach road. Through a reasonable structural design, the tunnel type truck escape ramp can be arranged at a location of the complex terrain in a mountainous area where common truck escape ramps cannot be arranged, so as to greatly improve the traffic safety of the complex terrain in the mountainous area, reduce as many traffic accidents as possible, effectively protect the personal safety of a driver and passengers, and lessen the financial losses caused by driving faults.

The invention discloses a locomotive iron shoe management and control device, a locomotive and alarming method and device. The alarming method comprises the steps of detecting a state signal and an acting signal of the locomotive, wherein the state information is a state signal that a receiving probe in a locomotive iron shoe frame receives a laser beam transmitted by a transmitting probe, and theacting signal at least comprises a forward acting signal and a backward acting signal; determining whether the iron shoe is positioned in an iron shoe clamping groove in the locomotive iron shoe frame or not according to the state signal, and determining whether a locomotive is started or not according to the acting signal; and in the case that it is determined that the iron shoe is not in the iron shoe clamping groove and / or the locomotive is started, outputting an alarming signal to alarming equipment, wherein the alarming equipment is used for outputting alarming information in the case ofreceiving the alarming signal. According to the locomotive iron shoe management and control device, the locomotive and the alarming method and device, a technical problem that locomotive sliding accidents are easily caused to harm running safety due to negligence and omission of personnel because a locomotive iron shoe is manually managed and controlled in the prior art is solved.

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 high temperature-resistant regenerated polyester fiber laminated sheet material for an engine compartment. The sheet material comprises a regenerated polyester fiber lamella layer and an aluminum foil layer, wherein the regenerated polyester fiber lamella layer comprises at least three fibrous layers, the densities of the three fibrous layers successively decrease along the thickness direction of a lamella, the three fibrous layers are a compact layer, a semi-compact layer and a fluffy layer, respectively, and the aluminum foil layer is arranged on the surface of the compact layer. The preparation method comprises the following steps: preparing the regenerated polyester fiber lamella; coating the surface of the compact layer of the regenerated polyester fiber lamella with an aluminum foil; and heating and laminating the surface of the aluminum foil to allow the regenerated polyester fiber lamella to be firmly bonded with the aluminum foil so as to prepare the high temperature-resistant regenerated polyester fiber laminated sheet material for the engine compartment. Thus, polyester cellucotton is cyclically utilized, environmental pollution is reduced, and resources and energy are saved; and noise in an automobile can be reduced, and comfortableness in driving of the automobile can be improved.

The invention provides a road safety guardrail system, and relates to the technical field of a guardrail. The road safety guardrail system is arranged along with the centre line of a road, and consists of four parts front to back: firstly, at least three of plastic red-white rods which are arranged on the ground and have the function of light reflection, secondly, a light reflecting sign, thirdly, low guardrails which are gradually changed from low to high, and fourthly, high guardrails which have an anti-dazzle function. The road safety guardrail system is characterized in that the low guardrails which are gradually changed are formed by the means that a plurality of red-white vertical rods are arranged from low to high, and the red-white vertical rods are connected with one another into a whole by transverse rods; and the high guardrails are formed by the means that a plurality of right cylinders are arranged with one another, vertical anti-dazzle pieces which are intensively arranged in the manner of a blind window are fully distributed among the right cylinders, and the right cylinders and the vertical anti-dazzle pieces are connected with one another into a whole by transverse rods. The road safety guardrail system has the benefit effects that a layer of light reflecting film is respectively coated at each of the outer surfaces of the plastic red-white rods, the sign and the red-white vertical rods, so that the color prompt effect can be effectively enhanced; due to the high guardrails which comprise the anti-dazzle pieces, the dazzle of drivers can be effectively avoided; and due to the arranged low guardrails which are gradually changed, the accidents can be reduced, and the road safety guardrail system is low in casualties.

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.

A hood capable of controlling electric vehicle trip power failure is formed by combining a front hood and a rear hood. The front hood and the rear hood are combined and fixedly connected to the centerof a handlebar, a Hall rotating handle is installed on a right handlebar of the hood, and a handlebar grip is installed on a left handlebar of the hood; the hood is characterized in that a photoelectric fixing hole is formed in the left straight wall of the front hood or the rear hood, a photoelectric detector is installed on the photoelectric fixing hole, and the photoelectric detector is connected with a sensing circuit; when the vehicle runs, the photoelectric detector performs detection in real time on the radial exterior of the handlebar grip in the arrow direction, and the sensing circuit performs a normally open or normally closed instruction on a vehicle motor power source according to signals transmitted by the photoelectric detector.

The invention provides a tire air leakage real-time detection method based on machine learning and a storage medium. The method comprises the steps that: more data of the same type of vehicle in a longer time range is selected; sliding is carried out according to a time window of N days based on a preset slope value; when the time window slides to a certain day, if the gas amount slope value of avehicle tire in the first N days is greater than a slope value K, it is labelled that the vehicle tire of the current vehicle data leaks gas, otherwise, it is marked that the vehicle tire of the current vehicle data does not leak gas; a sample set with a label is obtained; the sample set is verified and trained by using different types of classification algorithms to obtain an optimal classification algorithm; based on the optimal classification algorithm, engineering deployment is carried out on the sample set, so that the model of the optimal classification algorithm is put to the productionenvironment and is used for predicting tire pressure data newly uploaded to the cloud in real time, and obtaining a prediction result. The technical problem that a tire air leakage prediction resultis not accurate enough, or other production cost needs to be increased in the prior art is solved.