31results about How to "Avoid traffic safety hazards" patented technology

The invention provides a porous heat-conducting asphalt concrete pavement heat exchange system, which comprises an asphalt concrete pavement heat exchange device (1) laid on a roadbed, wherein the device consists of a first close-graded asphalt concrete surface course (9), a porous heat-conducting asphalt concrete surface course (10) segmented by prefabricated dense partition boards (13), an emulsified asphalt concrete seal layer (14) and a second close-graded asphalt concrete surface course (11); the system is provided with silicone rubber water penetration preventing layers (12) which are distributed on the surfaces of the two close-graded asphalt concrete surface courses and penetrate the inside of the surface courses; and the asphalt concrete pavement heat exchange device (1), a heat reservoir (2), an auxiliary heat source (3) and a user heat exchanger (4) are connected through pipelines and a fan (6), so as to form a thermal circulation closed loop of the system. The system has the advantages of energy conservation, emission reduction, low operation and maintenance cost and the like, and can be used for collecting solar energy, maintaining pavement and heating/cooling buildings.

The invention relates to a steel fiber bituminous concrete, in particular to a layered steel fiber conductive bituminous concrete. The layered steel fiber conductive bituminous concrete is characterized by comprising a bituminous concrete pavement, a steel fiber layer and a lower bearing layer which are sequentially arranged from top to bottom, wherein electrodes are embedded in the steel fiber layer; the steel fiber layer consists of steel fiber and conductive emulsified asphalt and is uniformly paved on the surface of the lower bearing layer with a spreading method, the conductive emulsified asphalt is sprayed on the steel fiber, the spreading amount of the steel fiber is 170-330g/m<2>, and the spraying amount of the emulsified asphalt is 0.6-0.81g/m<2>. The invention has the characteristics of low cost of construction, simple and convenient construction, easy control of quality and favorable conductive performance, and meanwhile, the high-temperature stability and the low-temperature crack resistance are improved. The layered steel fiber conductive bituminous concrete is applied to deicing and snow melting of bituminous pavements and self-healing or heat repairing of the diseases of bituminous pavements.

The invention belongs to the technical field of traffic equipment, and relates to a variable automated isolation guardrail system for a reversible lane. Guardrails are mounted on a left lane line and a right lane line of the reversible lane correspondingly, hydraulic systems composed of hydraulic cylinders, hydraulic oil pipes and electric hydraulic pumps are buried under the ground of the left lane line and the right lane line of the reversible lane, and reversible lane traffic light columns are mounted between the reversible lane starting point, the reversible lane ending point as well as between the adjacent reversible lanes; the electric hydraulic pumps are buried under the ground of the starting point of the reversible lane, and electrically connected with the reversible lane traffic light columns at the starting point of the reversible lane through underground cables and column control modules, and the hydraulic oil pipes transmit the hydraulic power supplied by the electric hydraulic pumps to hydraulic cylinders; and an annular coil vehicle detector is buried under the ground of the reversible lane. The variable automated isolation guardrail system for the reversible lane is simple in structure, low in cost and safe to use, can reduce the converting time of the guardrails, improves the traffic efficiency, improves the traffic jam situations of roads, achieves fully-automated intelligent control, and can implement dynamic adjustment according to real-time traffic flow.

The invention discloses a night-meeting safety control system, and relates to an automobile driving safety control device. The system comprises a night-meeting safety detection device, a processing device and an execution device, wherein the detection device and the execution device are respectively connected with the processing device through circuits or buses; the detection device comprises a night-meeting switch, a light intensity sensor, a distance detection sensor, a steering wheel rotation angle sensor, an automobile speed sensor, an engine rotation speed sensor, a throttling valve position sensor, a lateral acceleration sensor and a transverse swing angle speed sensor; and after the detection device performs detection, a signal is transmitted to the processing device through the circuits; and after the signal is processed, the processing device transmits an instruction to the execution device through the buses, and the execution device performs corresponding execution, so that the rotation speed, the automobile speed, the direction and the like of an automobile are changed, and the automobile is in a safety trace. The potential traffic safety hazard caused by a reason that a driver cannot identify a meeting distance and a road surface condition during night-meeting can be effectively avoided.

The invention discloses a method for detecting illegal driving of a lost driver, which comprises the following steps of: acquiring a driving image of a target vehicle; comparing a human face image ofa driver in the travel image with a human face image of a lost driver in a plurality of pre-stored lost driver information; if in a face image of a lost driver in the plurality of driver information,at least one of the face image of the first lost driving person and the face image of the drive person satisfies a preset similarity condition, and according to the first lost driving person information corresponding to the face image of the first lost driving person, it is determined whether the driver of the target vehicle is a lost driving person who is driving illegally. The technical scheme can avoid the situation that the system can not detect when the lost driver drives a vehicle not under his own name, thereby greatly improving the detection efficiency and coverage rate of the lost driver's illegal driving.

The invention discloses a charging method for paying before roadside parking leaving and giving exemption time, which is suitable for being executed in an intelligent mobile terminal. The intelligent mobile terminal is wirelessly connected with a server, the server is provided with a database, and the database comprises a parking order and a transaction detail list. A user parks a vehicle in any parking space in a specified parking range, a system automatically registers and generates a parking order, the user can inquire the current parking order of the vehicle when needing to leave, the system automatically settles parking fees according to the current time, and the user can safely leave within exemption time after paying; according to the invention, parking payment is carried out before the user leaves the parking lot in the official account service platform, sufficient leaving exemption time is given, the driving safety of the user leaving the parking lot is ensured, different from conventional parking lot leaving, the traffic safety hidden trouble caused by the fact that the user is in urgent payment after leaving the parking lot can be avoided, the parking arrearage condition is reduced, and the payment behavior habit of the user before departure can be developed.

The driver's infrared fatigue detection device includes a detection device housing, an infrared signal acquisition and processing module, a camera, a multi-function touch button, a controller, an infrared sensor, an OLED display, and a Bluetooth dual-mode; The point infrared sensor and the OLED display are installed on the surface of the detection device housing; the Bluetooth dual-mode and infrared signal acquisition and processing modules are installed inside the detection device housing; the camera is installed on the surface of the detection device housing; the multi-function touch button is installed on the detection device The lower part of the device housing; the infrared sensor is connected to the infrared signal acquisition and processing module; the infrared sensor, OLED display, Bluetooth dual-mode, infrared signal acquisition and processing module, camera and multi-function touch buttons are all connected to the controller of the vehicle-mounted infrared fatigue detection device . The invention has the advantages of simple principle and structure, can timely and effectively remind drivers who are in fatigue state, and avoid traffic safety hazards.

The invention discloses a vehicle speed warning device, belonging to the technical field of design and application of vehicle speed warning devices. The vehicle speed warning device comprises a speedometer image recording module, an image conversion module, a micro-processing module, a storage module, a setting module, a display module and an alarm device, wherein the speedometer image recording module is connected with the image conversion module through an analog circuit, the image conversion module is connected with the micro-processing module through a digital circuit, and the micro-processing module is interconnected with the storage module through the digital circuit; and the display module is connected with the micro-processing module through the analog circuit, the alarm device is connected with the micro-processing module through the digital circuit, and the setting module is connected with the micro-processing module through the digital circuit. The vehicle speed warning device has the advantages of simple structure, economy and utility, and the vehicle speed warning device can effectively alert a driver to control vehicle speed promptly to avoid potential traffic dangers.

The invention provides an LED (Light-Emitting Diode) traffic signal lamp device, which comprises a first LED signal lamp, a second LED signal lamp and a third LED signal lamp, wherein the first LED signal lamp, the second LED signal lamp and the third LED signal lamp respectively display three kinds of color to express three traffic states. The LED traffic signal lamp device also comprises a first light-sensitive unit packaged in the first LED signal lamp, a second light-sensitive unit packaged in the second LED signal lamp, and a third light-sensitive unit packaged in the third LED signal lamp, and the first light-sensitive unit, the second light-sensitive unit and the third light-sensitive unit are respectively used for periodically sensing the light-emitting states of the first LED signal lamp, the second LED signal lamp and the third LED signal lamp. A control unit judges when the first LED signal lamp, the second LED signal lamp and the third LED signal lamp normally work or not according to signals received from the first light-sensitive unit, the second light-sensitive unit and the third light-sensitive unit, and light-emitting control signals sent to the first light-sensitive unit, the second light-sensitive unit and the third light-sensitive unit.