34results about How to "Reduce traffic hazards" patented technology

The invention discloses a real-time on-line dead-zone-free street scene sharing system for vehicles, and belongs to the technical field of automobiles. According to the street scene sharing system, a real scene collecting module is connected with a data processing module and used for collecting video data of street scene road conditions, and a storage module is arranged in the data processing module and used for storing the collected video data of the street scene road conditions; a speed sensor is connected with the data processing module and used for detecting the current vehicle speed in a real-time and on-line mode; a GPS module is connected with the data processing module and used for positioning the vehicles in real time and recognizing Bluetooth identity characteristics; a Bluetooth sharing module is connected with the data processing module and used for sharing data with other surrounding vehicles, wherein the Bluetooth sharing module is of an open type and is automatically paired with the vehicles, recognized by the GPS module, at specific positions to share the video data of the street scene road conditions. The street scene sharing system can effectively avoid traffic hidden danger caused by dead zones inside the vehicles and dead zones outside the vehicles.

The invention discloses an express delivery method and device and a storage medium. The method comprises the steps of obtaining express information; determining a destination delivery position and a first recognition code of a destination router according to the express delivery information; after the unmanned aerial vehicle obtains the express, the unmanned aerial vehicle is controlled to fly towards the destination delivery position; when the unmanned aerial vehicle flies to a preset range of the destination putting position, detecting a destination router signal corresponding to the first recognition code through the unmanned aerial vehicle; and when the destination router signal is the strongest router signal which can be detected by the unmanned aerial vehicle, controlling the unmanned aerial vehicle to deliver the express, so that the delivery efficiency of the express can be improved, and the user can receive the express conveniently.

The invention relates to the field of automobile driving safety early warning, and in particular relates to a fatigue driving early warning method and system based on a decision algorithm. The fatigue driving early warning method comprises the steps that S1 in a detection period, an information acquisition module acquires driver behavior characteristic information and vehicle driving characteristic information and sets decision influence weight factors of each piece of information; S2 a terminal mainboard calculates a fatigue state value of a driver; and S3 the terminal mainboard compares the fatigue state value with a fatigue comparison value, obtains the attenuation amplitude and generates fatigue early warning. Compared with the prior art, the method has the advantages that through the decision algorithm, the characteristic behaviors of fatigue driving are weighted and analyzed, the fatigue state of the driver can be accurately evaluated, corresponding early warning is made according to the evaluation result, the fatigue driving early warning precision is improved, and meanwhile the traffic hidden danger caused by fatigue driving is reduced.

The invention discloses a safety indication board device for municipal roads. The safety indication board device for municipal roads comprises a support plate. A supporting plate is arranged at the lower end of the support plate. A base is arranged at the bottom of the supporting plate. A cavity is formed in the base. A sliding plate is installed in the cavity in a vertically sliding mode. Limiting protrusions are arranged at the two ends of the sliding plate. The lower end of the cavity is provided with limiting blocks matched with the limiting protrusions. Tension springs are installed between the sliding plate and the top wall of the cavity. Rollers are installed at the lower end of the sliding plate. Adjusting screws are installed on the base in a threaded mode. The adjusting screws extend into the cavity and abut against the upper end face of the sliding plate. A through groove is formed in the middle of the support plate. A rotating shaft is transversely and fixedly installed in the middle of the through groove. The rotating shaft is provided with one or more installation rods which can rotate front and back. The upper end of each installation rod is provided with an indication plate. The lower end of each installation rod is provided with a spherical balancing weight.

The invention discloses an asymmetric LED street lamp lens; the lens is symmetric along the central short axis, and asymmetric along the central long axis; the lens comprises a basal surface and a light outgoing surface; the center of the basal surface is hollowly provided with a concave pit in order to form an incident surface of the lens; the light outgoing surface is a discontinuously transitional free curve consisting of at least two pieces of free curves connected along the central long axis; both the at least two pieces of free curves incline to the same side along the central short axis. The provided lens is able to optimally distributing light of the LED light source; by an installation manner without an elevation, the light irradiating the car lanes is increased if the LED street lamp is provided with the lens, whereas the light irradiating the pavement is reduced, thereby greatly reducing the glare and increasing the utilization ratio of light energy; the asymmetric LED street lamp lens has a good application foreground in the field of illumination.

The invention discloses a driver road tension adjusting method and system based on micro-expression recognition; the method comprises the steps: firstly, disclosing a face micro-expression data set through a network, carrying out the preprocessing of the data set, and constructing a driver tension recognition model based on micro-expression recognition; then simulating driving by a driver, acquiring a facial micro-expression signal of the driver in real time, and performing preprocessing and feature extraction on acquired data to obtain ideal micro-expression data of the driver; and finally, in the actual driving process of the driver, acquiring a driver face micro-expression signal in real time, inputting the micro-expression signal into the constructed driver nervous emotion recognition model based on micro-expression recognition, recognizing the emotion of the driver, and further making a corresponding emotion regulation decision through interaction with the driver. According to the invention, traffic risks can be effectively reduced, traffic accidents caused by nervous emotion of a driver during driving are avoided, and the traffic road safety is improved.

The invention discloses an anti-blow-down plastic road cone, which comprises a base and a leaf plate, the surface of the leaf plate is provided with a reflective tape, the central shaft at the bottom of the leaf plate is provided with a bearing rod, and the bottom of the bearing rod runs through the The base passes through the inner sleeve of the rolling bearing and extends to the inside of the suction chamber to be fixedly connected with the first gear. A ball, the central axis of the bottom of the second gear is fixedly connected with a threaded shaft, and one end of the threaded shaft close to the second gear passes through the second gear and extends to the top of the second gear to be movably connected to the top of the suction chamber wall, The surface of the threaded shaft engages with the inner wall of the internally threaded hollow column, and the bottom of the internally threaded hollow column is fixedly connected with a suction plate. The anti-blow-down plastic road cone is convenient to use, stable to place, reduces traffic hazards, and saves unnecessary economic losses.

The invention relates to an auxiliary device for automobile driving, in particular to an upgrading starting auxiliary device for automobiles, which comprises a clutch pedal connecting rod (5) and a brake pedal connecting rod (6), wherein an auxiliary mechanism is installed in a corresponding position of the clutch pedal connecting rod and the brake pedal connecting rod; and the auxiliary mechanism comprises an auxiliary pedal (1), a clutch pressure plate (2) and a brake pressure plate (3), wherein the clutch pressure plate (2) and the brake pressure plate (3) are connected with the auxiliary pedal (1) through a connecting rod (4). The invention does not change the structures of the existing automobile clutch and brake systems, and has the advantages of simple structure and convenient refitting.

The invention discloses a road vehicle lane change model calibration and decision-making method and device based on headway time. The vehicle lane change model calibration in the invention includes: acquiring vehicle and road actual measurement data, including whether there is an adjacent lane in the lane where the vehicle is located, The distance between the vehicle and the front and rear vehicles in the same lane, adjacent lanes and the speed of related vehicles; determine the direction of vehicle lane change, determine whether there is a motivation for lane change and the target lane according to the time headway; construct a logistic vehicle lane change model based on the time headway ;Calibrate the vehicle lane-changing model by extracting the conditional data of the target vehicle successfully changing lanes and refusing to change lanes. The invention has low complexity, strong applicability, less data demand, high calculation efficiency and good simulation effect, and can obtain a reliable vehicle lane-changing model through a small amount of vehicle and road actual measurement data for vehicle lane-changing behavior simulation, and then can be used It is used to study the lane changing behavior of vehicles, predict the state of traffic flow, and provide help for alleviating traffic congestion, reducing traffic hazards, and reducing waste of resources.

Road surface ice and snow clearing equipment driven by a leather belt transmission mode comprises a connection frame, a link mechanism, a middle wheel disc frame, a left side frame, a right side frame, a spring, a middle wheel disc, an inner wheel disc, an outer wheel disc, a pin shaft, an upright column, ice and snow clearing cutters, a transmission shaft, a hydraulic jacking device, a speed reducing device, a main belt pulley and a leather belt, wherein the connection frame is connected with the middle wheel disc frame through the link mechanism, and the middle wheel disc frame is perpendicular to the ground and is provided with the hydraulic jacking device. The middle wheel disc frame is connected with the left side frame and the right side frame through the pin shaft, and a left side wheel disc and a right side wheel disc can be tightly attached to the ice and snow ground through spring jacking. The transmission shaft is connected with the wheel discs through the main belt pulley, and the ice and snow clearing cutters are respectively installed at the bottom of the wheel discs. The road surface ice and snow clearing equipment driven by the leather belt transmission mode has the advantages that a combination process with a tractor or a large engineering vehicle and the like can be achieved conveniently; compacted ice and snow layers on a road surface are cleared cleanly by the ice and snow clearing cutters under the driving of the wheel discs, and therefore the traffic hidden danger is effectively reduced.

The invention discloses a system and a method for detecting and relieving driving fatigue based on electrical acupoint stimulation. The system comprises an electroencephalogram acquisition device, an upper computer, a lower computer and an electrical stimulation instrument, an input end of the electroencephalogram acquisition device is connected to the cerebral cortex of a driver, an output end of the electroencephalogram acquisition device is connected with the upper computer which is connected with the lower computer, the lower computer is connected with an input end of the electrical stimulation instrument, and a pulse output end of the electrical stimulation instrument is connected to a meridian point, capable of reliving brain fatigue, of the driver through an electrode. The method includes: acquiring electroencephalogram signals of the driver in real time; and extracting fast-wave and low-wave frequency band signals in the electroencephalogram signals, computing a ratio of fast-wave average power spectra to low-wave average power spectra, judging the driving state of the driver according to reduction of the ratio, and controlling the electrical stimulation instrument to start and enter a corresponding working mode. Driving states of the driver are monitored in real time, and electrical stimulation is performed to the driver in good time, so that driving fatigue is relieved better, driving safety is improved, and hidden danger of traffic caused by fatigue driving is reduced.

The invention relates to a smog-removing unmanned aerial vehicle, which includes an unmanned aerial vehicle body, a bracket and a haze removal device. The lower end of the unmanned aerial vehicle body is provided with two supports, and the two supports are symmetrically installed On the side, a haze removal device is installed on the upper end of the UAV body. The present invention can solve the problem that the smog at the existing traffic light intersections is usually eliminated by spraying water, the cleaning effect is poor, the cleaning efficiency is low, the waste is serious, and the smog at the traffic light intersections cannot be sustained. At the same time, when the existing equipment is cleaned, the degree of automation is low, and the filtered dust cannot be cleaned and collected. It is usually disassembled and cleaned manually. The efficiency of installation and disassembly is slow, affecting the use effect, and the labor intensity is high. The operation is complicated and the haze removal efficiency is low, and the function of automatic removal and filtering of haze particles in the air can be realized.

The invention discloses a tunnel lining belt press-in mold pouring process and a method for monitoring the pressure and fullness of the lining concrete, including the construction preparation process, the concrete filling construction process and the acceptance construction process; the invention is simple and practical, and utilizes top distributed pressure The density sensor can effectively and intuitively check the full state of the vault concrete. It is easy to understand and suitable for workers to operate; it saves manpower and financial resources; it cannot completely solve the two types of problems of density and fullness at the same time. The feedback signal of this combined monitoring technology is used to determine the lining. Concrete pouring end standard; according to the pressure and full state monitoring results, the end time of concrete pouring can be comprehensively judged, and the safety state of the carrying capacity of the trolley itself can be dynamically monitored during the construction process, which provides a reference for operators and management, and reduces tunnel accidents. A series of problems in the lining vault, such as voids, voids, lack of compactness, water leakage, construction joint collapse, construction joint loss, and water stop deviation, reduce risks and hidden dangers to tunnel traffic operations.

The invention relates to the technical field of smart cities, and discloses an energy-saving and environment-friendly smart city road drainage anti-clogging device, which includes a bracket, the top of the bracket is movably connected with a rain grate, and the inside of the bracket is movably connected with guide rails. Both sides of the bottom of the guide rail are fixedly connected with floating blocks, the outside of the floating block is movably connected with a U-shaped cavity, the bottom of the U-shaped cavity is movably connected with a blocking block, and the inside of the guide rail is movably connected with a brush rod. The bottom of the brush rod is hinged with a connecting rod. Through the cooperative use of the turbine disc, inner swivel, energy storage bar, outer ring, transmission ratchet, transmission gear, worm, energy storage ratchet and fork shaft, the stability of the telescopic shaft rotation is effectively guaranteed. Through the fork shaft It provides rotating mechanical energy with the turbine disc at the same time, effectively improving the use effect of the device, and using rainwater to automatically rotate, effectively reducing the energy effect, achieving the effect of energy saving and environmental protection, and effectively ensuring the timeliness of anti-blocking cleaning.